dnsbl: src/dnsbl.cpp annotate

annotate src/dnsbl.cpp @ 270:f92f24950bd3 stable-6-0-35

Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists

author	Carl Byington <carl@five-ten-sg.com>
date	Mon, 09 Sep 2013 15:15:53 -0700
parents	f941563c2a95
children	a99b6c1f5f67

rev	line source
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1 /*
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	2
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	3 Copyright (c) 2013 Carl Byington - 510 Software Group, released under
152 c7fc218686f5 gpl3, block mail to recipients that cannot reply carl parents: 150 diff changeset	4 the GPL version 3 or any later version at your choice available at
c7fc218686f5 gpl3, block mail to recipients that cannot reply carl parents: 150 diff changeset	5 http://www.gnu.org/licenses/gpl-3.0.txt
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	6
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	7 Based on a sample milter Copyright (c) 2000-2003 Sendmail, Inc. and its
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	8 suppliers. Inspired by the DCC by Rhyolite Software
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	9
177 a4d313c2460b start embedded dcc filtering carl parents: 174 diff changeset	10 -b port The port used to talk to the dcc interface daemon
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	11 -r port The port used to talk to our internal dns resolver processes
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	12 -p port The port through which the MTA will connect to this milter.
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	13 -t sec The timeout value.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	14 -c Check the config, and print a copy to stdout. Don't start the
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	15 milter or do anything with the socket.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	16 -s Stress test by loading and deleting the current config in a loop.
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	17 -d level set the debug level
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	18 -e f\|t Print the results of looking up from address f and to address
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	19 t in the current config
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	20
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	21 */
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	22
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	23
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	24 // from sendmail sample
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	25 #include <sys/types.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	26 #include <sys/stat.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	27 #include <errno.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	28 #include <sysexits.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	29 #include <unistd.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	30
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	31 // needed for socket io
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	32 #include <sys/ioctl.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	33 #include <net/if.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	34 #include <arpa/inet.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	35 #include <netinet/in.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	36 #include <netinet/tcp.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	37 #include <netdb.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	38 #include <sys/socket.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	39 #include <sys/un.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	40
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	41 // needed for thread
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	42 #include <pthread.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	43
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	44 // needed for std c++ collections
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	45 #include <set>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	46 #include <map>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	47 #include <list>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	48
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	49 // for the dns resolver
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	50 #include <netinet/in.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	51 #include <arpa/nameser.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	52 #include <resolv.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	53
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	54 // misc stuff needed here
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	55 #include <ctype.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	56 #include <syslog.h>
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	57 #include <pwd.h>
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	58 #include <sys/wait.h> /* header for waitpid() and various macros */
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	59 #include <signal.h> /* header for signal functions */
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	60
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	61 #include "includes.h"
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	62
211 4db1457cd11a Extend auto-whitelisting when receiving mail even if the auto whitelist is specified in a parent context. Carl Byington <carl@five-ten-sg.com> parents: 203 diff changeset	63 #ifndef HAVE_DAEMON
4db1457cd11a Extend auto-whitelisting when receiving mail even if the auto whitelist is specified in a parent context. Carl Byington <carl@five-ten-sg.com> parents: 203 diff changeset	64 #include "daemon.h"
4db1457cd11a Extend auto-whitelisting when receiving mail even if the auto whitelist is specified in a parent context. Carl Byington <carl@five-ten-sg.com> parents: 203 diff changeset	65 #include "daemon.c"
4db1457cd11a Extend auto-whitelisting when receiving mail even if the auto whitelist is specified in a parent context. Carl Byington <carl@five-ten-sg.com> parents: 203 diff changeset	66 #endif
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	67
227 3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	68 #ifndef HAVE_MEMRCHR
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	69 void memrchr(const void a, int c, size_t len);
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	70 void memrchr(const void a, int c, size_t len) {
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	71 const unsigned char p = (const unsigned char )a;
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	72 for (p += len-1; (const void *)p >= a; p--)
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	73 if (*p == c)
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	74 return (void *)p;
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	75 return (void *)0;
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	76 }
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	77 #endif
3fee608becbc Fixes to compile on old systems without memrchr or string::clear(). Carl Byington <carl@five-ten-sg.com> parents: 225 diff changeset	78
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	79 extern "C" {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	80 sfsistat mlfi_connect(SMFICTX ctx, char hostname, _SOCK_ADDR *hostaddr);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	81 sfsistat mlfi_helo(SMFICTX * ctx, char *helohost);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	82 sfsistat mlfi_envfrom(SMFICTX ctx, char *argv);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	83 sfsistat mlfi_envrcpt(SMFICTX ctx, char *argv);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	84 sfsistat mlfi_header(SMFICTX* ctx, char* headerf, char* headerv);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	85 sfsistat mlfi_body(SMFICTX ctx, u_char data, size_t len);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	86 sfsistat mlfi_eom(SMFICTX *ctx);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	87 sfsistat mlfi_abort(SMFICTX *ctx);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	88 sfsistat mlfi_close(SMFICTX *ctx);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	89 void sig_chld(int signo);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	90 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	91
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	92 int debug_syslog = 0;
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	93 bool syslog_opened = false;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	94 bool use_syslog = true; // false to printf
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	95 bool loader_run = true; // used to stop the config loader thread
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	96 CONFIG *config = NULL; // protected by the config_mutex
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	97 int generation = 0; // protected by the config_mutex
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	98 const int maxlen = 1000; // used for snprintf buffers
235 e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	99 regex_t srs_pattern; // used to detect srs coding in mail addresses
246 8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	100 regex_t prvs_pattern; // used to detect prvs coding in mail addresses
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	101
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	102 pthread_mutex_t config_mutex;
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	103 pthread_mutex_t syslog_mutex;
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	104 pthread_mutex_t resolve_mutex;
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	105 pthread_mutex_t fd_pool_mutex;
136 f4746d8a12a3 add smtp auth rate limits carl parents: 134 diff changeset	106 pthread_mutex_t rate_mutex;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	107
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	108 std::set<int> fd_pool;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	109 int NULL_SOCKET = -1;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	110 const time_t ERROR_SOCKET_TIME = 60; // number of seconds between attempts to open a socket to the dns resolver process
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	111 const char *resolver_port = NULL; // unix domain socket to talk to the dns resolver process
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	112 int resolver_socket = NULL_SOCKET; // socket used to listen for resolver requests
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	113 const char *dccifd_port = NULL; // unix domain socket to talk to the dcc interface daemon
248 b0738685bf51 latest tld list; fix uninitialized variable Carl Byington <carl@five-ten-sg.com> parents: 246 diff changeset	114 time_t last_error_time = 0;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	115 int resolver_sock_count = 0; // protected with fd_pool_mutex
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	116 int resolver_pool_size = 0; // protected with fd_pool_mutex
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	117 rcpt_rates rcpt_hourly_counts; // protected with rate_mutex
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	118 rcpt_rates rcpt_daily_counts; // protected with rate_mutex
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	119
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	120
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	121 struct ns_map {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	122 // all the strings are owned by the keys/values in the ns_host string map
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	123 string_map ns_host; // nameserver name -> host name that uses this name server
242 d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	124 ns_mapper ns_ip; // nameserver name -> ipv4 address of the name server
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	125 ~ns_map();
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	126 void add(const char name, const char refer);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	127 };
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	128
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	129
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	130 ns_map::~ns_map() {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	131 for (string_map::iterator i=ns_host.begin(); i!=ns_host.end(); i++) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	132 const char x = (i).first;
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	133 const char y = (i).second;
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	134 free((void*)x);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	135 free((void*)y);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	136 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	137 ns_ip.clear();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	138 ns_host.clear();
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	139 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	140
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	141
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	142 void ns_map::add(const char name, const char refer) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	143 string_map::iterator i = ns_host.find(name);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	144 if (i != ns_host.end()) return;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	145 char *x = strdup(name);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	146 char *y = strdup(refer);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	147 ns_ip[x] = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	148 ns_host[x] = y;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	149
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	150 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	151
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	152 // packed structure to allow a single socket write to dump the
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	153 // length and the following answer. The packing attribute is gcc specific.
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	154 struct glommer {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	155 size_t length;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	156 #ifdef NS_PACKETSZ
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	157 u_char answer[NS_PACKETSZ*4]; // with a resolver, we return resolver answers
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	158 #else
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	159 uint32_t answer; // without a resolver, we return a single ipv4 address in network byte order, 0 == no answer
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	160 #endif
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	161 } __attribute__ ((packed));
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	162
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	163
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	164 ////////////////////////////////////////////////
136 f4746d8a12a3 add smtp auth rate limits carl parents: 134 diff changeset	165 // helper to manipulate recipient counts
f4746d8a12a3 add smtp auth rate limits carl parents: 134 diff changeset	166 //
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	167 void incr_rcpt_count(const char *user, int &hourly, int &daily);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	168 void incr_rcpt_count(const char *user, int &hourly, int &daily) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	169 pthread_mutex_lock(&rate_mutex);
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	170 rcpt_rates::iterator i = rcpt_hourly_counts.find(user);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	171 hourly = 1;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	172 if (i == rcpt_hourly_counts.end()) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	173 user = strdup(user);
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	174 rcpt_hourly_counts[user] = hourly;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	175 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	176 else {
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	177 hourly = ++((*i).second);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	178 }
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	179
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	180 rcpt_rates::iterator j = rcpt_daily_counts.find(user);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	181 daily = 1;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	182 if (j == rcpt_daily_counts.end()) {
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	183 user = strdup(user);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	184 rcpt_daily_counts[user] = daily;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	185 }
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	186 else {
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	187 daily = ++((*j).second);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	188 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	189 pthread_mutex_unlock(&rate_mutex);
136 f4746d8a12a3 add smtp auth rate limits carl parents: 134 diff changeset	190 }
f4746d8a12a3 add smtp auth rate limits carl parents: 134 diff changeset	191
f4746d8a12a3 add smtp auth rate limits carl parents: 134 diff changeset	192 ////////////////////////////////////////////////
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	193 // helper to discard the strings held by a context_map
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	194 //
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	195 void discard(context_map &cm);
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	196 void discard(context_map &cm) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	197 for (context_map::iterator i=cm.begin(); i!=cm.end(); i++) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	198 const char x = (i).first;
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	199 free((void*)x);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	200 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	201 cm.clear();
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	202 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	203
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	204
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	205 ////////////////////////////////////////////////
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	206 // helper to register a string in a context_map
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	207 //
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	208 void register_string(context_map &cm, const char name, CONTEXT con);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	209 void register_string(context_map &cm, const char name, CONTEXT con) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	210 context_map::iterator i = cm.find(name);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	211 if (i != cm.end()) return;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	212 char *x = strdup(name);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	213 cm[x] = con;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	214 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	215
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	216
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	217 ////////////////////////////////////////////////
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	218 // disconnect the fd from the dns resolver process
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	219 //
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	220 void my_disconnect(int sock, bool decrement = true);
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	221 void my_disconnect(int sock, bool decrement) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	222 if (sock != NULL_SOCKET) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	223 if (decrement) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	224 pthread_mutex_lock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	225 resolver_sock_count--;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	226 pthread_mutex_unlock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	227 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	228 shutdown(sock, SHUT_RDWR);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	229 close(sock);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	230 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	231 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	232
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	233
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	234 ////////////////////////////////////////////////
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	235 // return fd connected to the dns resolver process
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	236 //
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	237 int my_connect();
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	238 int my_connect() {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	239 // if we have had recent errors, don't even try to open the socket
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	240 if ((time(NULL) - last_error_time) < ERROR_SOCKET_TIME) return NULL_SOCKET;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	241
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	242 // nothing recent, maybe this time it will work
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	243 int sock = NULL_SOCKET;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	244 sockaddr_un server;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	245 memset(&server, '\0', sizeof(server));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	246 server.sun_family = AF_UNIX;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	247 strncpy(server.sun_path, resolver_port, sizeof(server.sun_path)-1);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	248 sock = socket(AF_UNIX, SOCK_STREAM, 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	249 if (sock != NULL_SOCKET) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	250 bool rc = (connect(sock, (sockaddr *)&server, sizeof(server)) == 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	251 if (!rc) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	252 my_disconnect(sock, false);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	253 sock = NULL_SOCKET;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	254 last_error_time = time(NULL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	255 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	256 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	257 else last_error_time = time(NULL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	258 if (sock != NULL_SOCKET) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	259 pthread_mutex_lock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	260 resolver_sock_count++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	261 pthread_mutex_unlock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	262 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	263 return sock;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	264 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	265
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	266
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	267 ////////////////////////////////////////////////
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	268 // ask a dns question and get an A record answer in network byte order
836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	269 // we don't try very hard, just using the default resolver retry settings.
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	270 // If we cannot get an answer, we just accept the mail.
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	271 //
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	272 //
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	273 uint32_t dns_interface(mlfiPriv &priv, const char question, bool maybe_ip, ns_map nameservers);
836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	274 uint32_t dns_interface(mlfiPriv &priv, const char question, bool maybe_ip, ns_map nameservers) {
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	275 // tell sendmail we are still working
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	276 #if _FFR_SMFI_PROGRESS
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	277 if (priv.eom) smfi_progress(priv.ctx);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	278 #endif
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	279
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	280 // this part can be done without locking the resolver mutex. Each
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	281 // milter thread is talking over its own socket to a separate resolver
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	282 // process, which does the actual dns resolution.
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	283 if (priv.err) return 0; // cannot ask more questions on this socket.
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	284 if (maybe_ip) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	285 // might be a bare ip address, try this first to avoid dns lookups that may not be needed
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	286 in_addr ip;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	287 if (inet_aton(question, &ip)) {
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	288 return ip.s_addr;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	289 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	290 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	291 int n = strlen(question);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	292 if (question[n-1] == '.') {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	293 priv.my_write(question, n+1); // write the question including the null terminator
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	294 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	295 else {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	296 priv.my_write(question, n); // write the question
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	297 priv.my_write(".", 2); // and the fully qualified . terminator and null string terminator
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	298 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	299 glommer glom;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	300 char buf = (char )&glom;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	301 priv.my_read(buf, sizeof(glom.length));
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	302 buf += sizeof(glom.length);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	303 #ifdef RESOLVER_DEBUG
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	304 char text[1000];
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	305 snprintf(text, sizeof(text), "dns_interface() wrote question %s and has answer length %d", question, glom.length);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	306 my_syslog(text);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	307 #endif
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	308 if (glom.length == 0) return 0;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	309 if (glom.length > sizeof(glom.answer)) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	310 priv.err = true;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	311 return 0; // cannot process overlarge answers
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	312 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	313 priv.my_read(buf, glom.length);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	314
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	315 #ifdef NS_PACKETSZ
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	316 // now we need to lock the resolver mutex to keep the milter threads from
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	317 // stepping on each other while parsing the dns answer.
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	318 uint32_t ret_address = 0;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	319 pthread_mutex_lock(&resolve_mutex);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	320 // parse the answer
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	321 ns_msg handle;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	322 ns_rr rr;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	323 if (ns_initparse(glom.answer, glom.length, &handle) == 0) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	324 // look for ns names
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	325 if (nameservers) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	326 ns_map &ns = *nameservers;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	327 int rrnum = 0;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	328 while (ns_parserr(&handle, ns_s_ns, rrnum++, &rr) == 0) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	329 if (ns_rr_type(rr) == ns_t_ns) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	330 char nam[NS_MAXDNAME+1];
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	331 char *n = nam;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	332 const u_char *p = ns_rr_rdata(rr);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	333 while (((n-nam) < NS_MAXDNAME) && ((size_t)(p-glom.answer) < glom.length) && *p) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	334 size_t s = *(p++);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	335 if (s > 191) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	336 // compression pointer
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	337 s = (s-192)256 + (p++);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	338 if (s >= glom.length) break; // pointer outside bounds of answer
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	339 p = glom.answer + s;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	340 s = *(p++);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	341 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	342 if (s > 0) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	343 if ((size_t)(n-nam) >= (NS_MAXDNAME-s)) break; // destination would overflow name buffer
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	344 if ((size_t)(p-glom.answer) >= (glom.length-s)) break; // source outside bounds of answer
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	345 memcpy(n, p, s);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	346 n += s;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	347 p += s;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	348 *(n++) = '.';
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	349 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	350 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	351 if (n-nam) n--; // remove trailing .
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	352 *n = '\0'; // null terminate it
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	353 ns.add(nam, question); // ns host to lookup later
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	354 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	355 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	356 rrnum = 0;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	357 while (ns_parserr(&handle, ns_s_ar, rrnum++, &rr) == 0) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	358 if (ns_rr_type(rr) == ns_t_a) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	359 char* nam = (char*)ns_rr_name(rr);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	360 ns_mapper::iterator i = ns.ns_ip.find(nam);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	361 if (i != ns.ns_ip.end()) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	362 // we want this ip address
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	363 uint32_t address;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	364 memcpy(&address, ns_rr_rdata(rr), sizeof(address));
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	365 ns.ns_ip[nam] = address;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	366 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	367 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	368 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	369 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	370 int rrnum = 0;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	371 while (ns_parserr(&handle, ns_s_an, rrnum++, &rr) == 0) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	372 if (ns_rr_type(rr) == ns_t_a) {
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	373 uint32_t address;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	374 memcpy(&address, ns_rr_rdata(rr), sizeof(address));
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	375 ret_address = address;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	376 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	377 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	378 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	379 pthread_mutex_unlock(&resolve_mutex);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	380 #ifdef RESOLVER_DEBUG
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	381 snprintf(text, sizeof(text), "dns_interface() found ip %d", ret_address);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	382 my_syslog(text);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	383 #endif
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	384 return ret_address;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	385 #else
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	386 return glom.answer;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	387 #endif
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	388 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	389
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	390
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	391 ////////////////////////////////////////////////
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	392 // lookup a hostname on the uribl
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	393 //
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	394 // if we find hostname on the uribl, return true and point found to hostname
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	395 // as a string registered in hosts.
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	396 // otherwise, return false and preserve the value of found.
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	397 //
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	398 bool uriblookup(mlfiPriv &priv, string_set &hosts, const char hostname, const char &found) ;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	399 bool uriblookup(mlfiPriv &priv, string_set &hosts, const char hostname, const char &found) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	400 if (debug_syslog > 4) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	401 char tmp[maxlen];
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	402 snprintf(tmp, sizeof(tmp), "looking for %s on %s", hostname, priv.uribl_suffix);
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	403 my_syslog(tmp);
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	404 }
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	405 char buf[maxlen];
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	406 snprintf(buf, sizeof(buf), "%s.%s.", hostname, priv.uribl_suffix);
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	407 uint32_t ip = ntohl(dns_interface(priv, buf, false, NULL));
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	408 if (ip and (ip != 0x7f000000)) {
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	409 if (debug_syslog > 2) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	410 char tmp[maxlen];
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	411 snprintf(tmp, sizeof(tmp), "found %s on %s", hostname, priv.uribl_suffix);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	412 my_syslog(tmp);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	413 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	414 found = register_string(hosts, hostname);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	415 return true;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	416 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	417 return false;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	418 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	419
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	420
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	421 ////////////////////////////////////////////////
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	422 // uribl checker
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	423 // -------------
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	424 // hostname MUST not have a trailing dot. Find the tld part of
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	425 // the hostname, and add one more level. If that is listed on
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	426 // the uribl, return true and point found to the part of the
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	427 // hostname that we found as a string registered in hosts.
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	428 // Otherwise, return false and preserve the value of found.
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	429 //
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	430 bool check_uribl(mlfiPriv &priv, string_set &hosts, const char hostname, const char &found) ;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	431 bool check_uribl(mlfiPriv &priv, string_set &hosts, const char hostname, const char &found) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	432 in_addr ip;
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	433 if (inet_aton(hostname, &ip)) return false; // don't check ip addresses in uribls
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	434 const char* components[maxlen];
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	435 int n = 0; // number of components in the hostname
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	436 while (n < maxlen) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	437 components[n++] = hostname;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	438 const char *c = strchr(hostname, '.');
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	439 if (!c) break;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	440 hostname = c+1;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	441 }
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	442 string_set *tlds = priv.memory->get_tlds();
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	443 string_set *tldwilds = priv.memory->get_tldwilds();
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	444 string_set *tldnots = priv.memory->get_tldnots();
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	445 string_set::iterator xtlds = tlds->end();
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	446 string_set::iterator xtldwilds = tldwilds->end();
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	447 string_set::iterator xtldnots = tldnots->end();
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	448 for (int i=max(0,n-4); i<n; i++) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	449 const char* name = components[i];
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	450 bool rc = false;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	451 string_set::iterator tt = tldnots->find(name);
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	452 if (tt != xtldnots) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	453 rc = true;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	454 }
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	455 else {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	456 tt = tldwilds->find(name);
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	457 if (tt != xtldwilds) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	458 if (i > 1) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	459 rc = true;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	460 name = components[i-2];
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	461 }
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	462 else return false;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	463 }
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	464 else {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	465 tt = tlds->find(name);
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	466 if (tt != xtlds) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	467 if (i > 0) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	468 rc = true;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	469 name = components[i-1];
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	470 }
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	471 else return false;
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	472 }
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	473 }
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	474 }
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	475 if (rc) {
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	476 return uriblookup(priv, hosts, name, found);
f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	477 }
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	478 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	479 return false;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	480 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	481
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	482
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	483 mlfiPriv::mlfiPriv() {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	484 pthread_mutex_lock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	485 pc = config;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	486 pc->reference_count++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	487 pthread_mutex_unlock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	488 get_fd();
230 ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	489 ctx = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	490 eom = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	491 ip = 0;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	492 helo = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	493 mailaddr = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	494 queueid = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	495 authenticated = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	496 client_name = NULL;
257 d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	497 client_dns_name = NULL;
268 f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	498 client_dns_forged = false;
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	499 host_uribl = NULL;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	500 helo_uribl = false;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	501 client_uribl = false;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	502 from_uribl = false;
230 ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	503 have_whites = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	504 only_whites = true;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	505 want_spamassassin = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	506 want_dccgrey = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	507 want_dccbulk = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	508 allow_autowhitelisting = true;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	509 content_context = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	510 memory = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	511 scanner = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	512 content_suffix = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	513 content_message = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	514 uribl_suffix = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	515 uribl_message = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	516 content_host_ignore = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	517 assassin = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	518 dccifd = NULL;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	519 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	520
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	521 mlfiPriv::~mlfiPriv() {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	522 return_fd();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	523 pthread_mutex_lock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	524 pc->reference_count--;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	525 bool last = (!pc->reference_count) && (pc != config);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	526 pthread_mutex_unlock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	527 if (last) delete pc; // free this config, since we were the last reference to it
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	528 if (helo) free((void*)helo);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	529 reset(true);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	530 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	531
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	532 void mlfiPriv::reset(bool final) {
194 688ec12a3c0c delay autowhitelisting to avoid out of office reply bots carl parents: 193 diff changeset	533 while (!delayer.empty()) {
231 4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	534 DELAYWHITEP dwp = delayer.front();
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	535 const char *loto = dwp->get_loto();
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	536 if (loto) free((void*)loto);
193 3ea79ef741a0 delay autowhitelisting to avoid out of office reply bots carl parents: 192 diff changeset	537 delete dwp;
3ea79ef741a0 delay autowhitelisting to avoid out of office reply bots carl parents: 192 diff changeset	538 delayer.pop_front();
3ea79ef741a0 delay autowhitelisting to avoid out of office reply bots carl parents: 192 diff changeset	539 }
257 d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	540 if (mailaddr) free((void*)mailaddr);
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	541 if (queueid) free((void*)queueid);
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	542 if (authenticated) free((void*)authenticated);
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	543 if (client_name) free((void*)client_name);
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	544 if (client_dns_name) free((void*)client_dns_name);
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	545 discard(hosts_uribl);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	546 delayer.clear();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	547 discard(env_to);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	548 if (memory) delete memory;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	549 if (scanner) delete scanner;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	550 if (assassin) delete assassin;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	551 if (dccifd) delete dccifd;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	552 if (!final) {
230 ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	553 ctx = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	554 eom = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	555 mailaddr = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	556 queueid = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	557 authenticated = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	558 client_name = NULL;
257 d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	559 client_dns_name = NULL;
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	560 host_uribl = NULL;
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	561 helo_uribl = false;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	562 client_uribl = false;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	563 from_uribl = false;
230 ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	564 have_whites = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	565 only_whites = true;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	566 want_spamassassin = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	567 want_dccgrey = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	568 want_dccbulk = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	569 allow_autowhitelisting = true;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	570 content_context = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	571 memory = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	572 scanner = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	573 content_suffix = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	574 content_message = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	575 uribl_suffix = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	576 uribl_message = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	577 content_host_ignore = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	578 assassin = NULL;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	579 dccifd = NULL;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	580 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	581 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	582
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	583 void mlfiPriv::get_fd() {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	584 err = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	585 fd = NULL_SOCKET;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	586 int result = pthread_mutex_lock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	587 if (!result) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	588 std::set<int>::iterator i;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	589 i = fd_pool.begin();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	590 if (i != fd_pool.end()) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	591 // have at least one fd in the pool
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	592 err = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	593 fd = *i;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	594 fd_pool.erase(fd);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	595 resolver_pool_size--;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	596 pthread_mutex_unlock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	597 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	598 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	599 // pool is empty, get a new fd
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	600 pthread_mutex_unlock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	601 fd = my_connect();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	602 err = (fd == NULL_SOCKET);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	603 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	604 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	605 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	606 // cannot lock the pool, just get a new fd
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	607 fd = my_connect();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	608 err = (fd == NULL_SOCKET);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	609 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	610 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	611
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	612 void mlfiPriv::return_fd() {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	613 if (err) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	614 // this fd got a socket error, so close it, rather than returning it to the pool
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	615 my_disconnect(fd);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	616 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	617 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	618 int result = pthread_mutex_lock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	619 if (!result) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	620 if ((resolver_sock_count > resolver_pool_size*5) \|\| (resolver_pool_size < 5)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	621 // return the fd to the pool
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	622 fd_pool.insert(fd);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	623 resolver_pool_size++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	624 pthread_mutex_unlock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	625 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	626 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	627 // more than 20% of the open resolver sockets are in the pool, and the
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	628 // pool as at least 5 sockets. that is enough, so just close this one.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	629 pthread_mutex_unlock(&fd_pool_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	630 my_disconnect(fd);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	631 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	632 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	633 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	634 // could not lock the pool, so just close the fd
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	635 my_disconnect(fd);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	636 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	637 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	638 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	639
177 a4d313c2460b start embedded dcc filtering carl parents: 174 diff changeset	640 size_t mlfiPriv::my_write(const char *buf, size_t len) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	641 if (err) return 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	642 size_t rs = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	643 while (len) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	644 size_t ws = write(fd, buf, len);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	645 if (ws > 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	646 rs += ws;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	647 len -= ws;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	648 buf += ws;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	649 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	650 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	651 // peer closed the socket!
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	652 rs = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	653 err = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	654 break;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	655 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	656 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	657 return rs;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	658 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	659
177 a4d313c2460b start embedded dcc filtering carl parents: 174 diff changeset	660 size_t mlfiPriv::my_read(char *buf, size_t len) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	661 if (err) return 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	662 size_t rs = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	663 while (len) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	664 size_t ws = read(fd, buf, len);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	665 if (ws > 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	666 rs += ws;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	667 len -= ws;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	668 buf += ws;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	669 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	670 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	671 // peer closed the socket!
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	672 rs = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	673 err = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	674 break;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	675 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	676 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	677 return rs;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	678 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	679
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	680 void mlfiPriv::need_content_filter(const char *rcpt, CONTEXT &con) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	681 if (!memory) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	682 // first recipient that needs content filtering sets
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	683 // some of the content filtering parameters
270 f92f24950bd3 Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists Carl Byington <carl@five-ten-sg.com> parents: 268 diff changeset	684 memory = new recorder(this, con.get_html_tags(), con.get_content_tlds(), con.get_content_tldwilds(), con.get_content_tldnots());
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	685 scanner = new url_scanner(memory);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	686 content_suffix = con.get_content_suffix();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	687 content_message = con.get_content_message();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	688 uribl_suffix = con.get_uribl_suffix();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	689 uribl_message = con.get_uribl_message();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	690 content_host_ignore = &con.get_content_host_ignore();
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	691 // if we are using uribl, test helo and client names here
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	692 if (uribl_suffix) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	693 if (helo) {
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	694 helo_uribl = check_uribl(*this, hosts_uribl, helo, host_uribl);
257 d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	695 }
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	696 if (client_dns_name && !helo_uribl) {
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	697 client_uribl = check_uribl(*this, hosts_uribl, client_dns_name, host_uribl);
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	698 }
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	699 if (mailaddr && !client_uribl) {
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	700 const char *f = strchr(mailaddr, '@');
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	701 if (f) from_uribl = check_uribl(*this, hosts_uribl, f+1, host_uribl);
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	702 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	703 }
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	704 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	705 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	706
186 2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	707
2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	708 mlfiPriv* fetch_priv_from_ctx(SMFICTX *ctx);
2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	709 mlfiPriv* fetch_priv_from_ctx(SMFICTX *ctx)
2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	710 {
2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	711 mlfiPriv priv = (struct mlfiPriv )smfi_getpriv(ctx);
187 f0eda59e8afd fix null pointer dereference from missing HELO command carl parents: 186 diff changeset	712 priv->ctx = ctx;
186 2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	713 return priv;
2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	714 }
2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	715 #define MLFIPRIV fetch_priv_from_ctx(ctx)
2a80c9b5d2c9 fix null pointer dereference from missing HELO command carl parents: 185 diff changeset	716
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	717
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	718
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	719 ////////////////////////////////////////////////
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	720 // syslog a message
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	721 //
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	722 void my_syslog(mlfiPriv priv, const char text) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	723 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	724 if (priv) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	725 snprintf(buf, sizeof(buf), "%s: %s", priv->queueid, text);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	726 text = buf;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	727 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	728 if (use_syslog) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	729 pthread_mutex_lock(&syslog_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	730 if (!syslog_opened) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	731 openlog("dnsbl", LOG_PID, LOG_MAIL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	732 syslog_opened = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	733 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	734 syslog(LOG_NOTICE, "%s", text);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	735 pthread_mutex_unlock(&syslog_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	736 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	737 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	738 printf("%s \n", text);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	739 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	740 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	741
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	742 void my_syslog(mlfiPriv *priv, const string text) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	743 if (debug_syslog > 3) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	744 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	745 strncpy(buf, text.c_str(), sizeof(buf));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	746 buf[maxlen-1] = '\0'; // ensure null termination
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	747 my_syslog(priv, buf);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	748 }
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	749 }
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	750
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	751 void my_syslog(const char *text) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	752 my_syslog(NULL, text);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	753 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	754
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	755
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	756 ////////////////////////////////////////////////
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	757 // read a resolver request from the socket, process it, and
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	758 // write the result back to the socket.
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	759
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	760 void process_resolver_requests(int socket);
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	761 void process_resolver_requests(int socket) {
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	762 #ifdef NS_MAXDNAME
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	763 char question[NS_MAXDNAME];
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	764 #else
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	765 char question[1000];
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	766 #endif
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	767 glommer glom;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	768
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	769 int maxq = sizeof(question);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	770 while (true) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	771 // read a question
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	772 int rs = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	773 while (rs < maxq) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	774 int ns = read(socket, question+rs, maxq-rs);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	775 if (ns > 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	776 rs += ns;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	777 if (question[rs-1] == '\0') {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	778 // last byte read was the null terminator, we are done
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	779 break;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	780 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	781 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	782 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	783 // peer closed the socket
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	784 #ifdef RESOLVER_DEBUG
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	785 my_syslog("process_resolver_requests() peer closed socket while reading question");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	786 #endif
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	787 shutdown(socket, SHUT_RDWR);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	788 close(socket);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	789 return;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	790 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	791 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	792 question[rs-1] = '\0'; // ensure null termination
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	793
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	794 // find the answer
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	795 #ifdef NS_PACKETSZ
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	796 #ifdef RESOLVER_DEBUG
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	797 char text[1000];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	798 snprintf(text, sizeof(text), "process_resolver_requests() has a question %s", question);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	799 my_syslog(text);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	800 #endif
223 da9e7f1c8160 fix unsigned signed compare, back to mixed -lresolv and libresolv.a with auto requires Carl Byington <carl@five-ten-sg.com> parents: 222 diff changeset	801 int res_result = res_search(question, ns_c_in, ns_t_a, glom.answer, sizeof(glom.answer));
da9e7f1c8160 fix unsigned signed compare, back to mixed -lresolv and libresolv.a with auto requires Carl Byington <carl@five-ten-sg.com> parents: 222 diff changeset	802 if (res_result < 0) glom.length = 0; // represent all errors as zero length answers
da9e7f1c8160 fix unsigned signed compare, back to mixed -lresolv and libresolv.a with auto requires Carl Byington <carl@five-ten-sg.com> parents: 222 diff changeset	803 else glom.length = (size_t)res_result;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	804 #else
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	805 glom.length = sizeof(glom.answer);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	806 glom.answer = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	807 struct hostent *host = gethostbyname(question);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	808 if (host && (host->h_addrtype == AF_INET)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	809 memcpy(&glom.answer, host->h_addr, sizeof(glom.answer));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	810 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	811 #endif
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	812
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	813 // write the answer
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	814 char buf = (char )&glom;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	815 int len = glom.length + sizeof(glom.length);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	816 #ifdef RESOLVER_DEBUG
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	817 snprintf(text, sizeof(text), "process_resolver_requests() writing answer length %d for total %d", glom.length, len);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	818 my_syslog(text);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	819 #endif
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	820 int ws = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	821 while (len > ws) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	822 int ns = write(socket, buf+ws, len-ws);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	823 if (ns > 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	824 ws += ns;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	825 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	826 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	827 // peer closed the socket!
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	828 #ifdef RESOLVER_DEBUG
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	829 my_syslog("process_resolver_requests() peer closed socket while writing answer");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	830 #endif
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	831 shutdown(socket, SHUT_RDWR);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	832 close(socket);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	833 return;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	834 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	835 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	836 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	837 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	838
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	839
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	840 ////////////////////////////////////////////////
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	841 // check a single dns list, return ip address in network byte order
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	842 //
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	843 uint32_t check_single(mlfiPriv &priv, int32_t ip, const char *suffix);
836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	844 uint32_t check_single(mlfiPriv &priv, int32_t ip, const char *suffix) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	845 // make a dns question
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	846 const u_char src = (const u_char )&ip;
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	847 if (src[0] == 127) return 0; // don't do dns lookups on localhost
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	848 if (src[0] == 10) return 0; // don't do dns lookups on rfc1918 space
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	849 if ((src[0] == 192) && (src[1] == 168)) return 0;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	850 if ((src[0] == 172) && (16 <= src[1]) && (src[1] <= 31)) return 0;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	851 #ifdef NS_MAXDNAME
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	852 char question[NS_MAXDNAME];
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	853 #else
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	854 char question[1000];
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	855 #endif
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	856 snprintf(question, sizeof(question), "%u.%u.%u.%u.%s.", src[3], src[2], src[1], src[0], suffix);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	857 // ask the question, if we get an A record it implies a blacklisted ip address
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	858 return dns_interface(priv, question, false, NULL);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	859 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	860
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	861
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	862 ////////////////////////////////////////////////
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	863 // check a single dnsbl
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	864 //
242 d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	865 bool check_single(mlfiPriv &priv, int32_t ip, DNSBL &bl);
d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	866 bool check_single(mlfiPriv &priv, int32_t ip, DNSBL &bl) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	867 return check_single(priv, ip, bl.suffix);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	868 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	869
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	870
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	871 ////////////////////////////////////////////////
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	872 // check a single dnswl
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	873 //
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	874 bool check_single(mlfiPriv &priv, int32_t ip, DNSWL &wl);
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	875 bool check_single(mlfiPriv &priv, int32_t ip, DNSWL &wl) {
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	876 uint32_t r = ntohl(check_single(priv, ip, wl.suffix));
836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	877 uint32_t v = (uint32_t)0x7f000000;
836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	878 uint32_t m = (uint32_t)0xffff0000;
836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	879 uint32_t m2 = (uint32_t)0x000000ff;
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	880 if ((r & m) == v) {
252 836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	881 uint32_t l = r & m2;
836b7f2357f9 need ntohl() before using masks that are defined in host byte order Carl Byington <carl@five-ten-sg.com> parents: 249 diff changeset	882 if ((int)l >= wl.level) return true;
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	883 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	884 return false;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	885 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	886
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	887
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	888 ////////////////////////////////////////////////
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	889 // check the dnsbls specified for this recipient
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	890 //
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	891 bool check_dnsbl(mlfiPriv &priv, dnsblp_list &dnsbll, DNSBLP &rejectlist);
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	892 bool check_dnsbl(mlfiPriv &priv, dnsblp_list &dnsbll, DNSBLP &rejectlist) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	893 for (dnsblp_list::iterator i=dnsbll.begin(); i!=dnsbll.end(); i++) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	894 DNSBLP dp = *i; // non null by construction
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	895 bool st;
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	896 map<DNSBLP, bool>::iterator f = priv.checked_black.find(dp);
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	897 if (f == priv.checked_black.end()) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	898 // have not checked this list yet
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	899 st = check_single(priv, priv.ip, *dp);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	900 rejectlist = dp;
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	901 priv.checked_black[dp] = st;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	902 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	903 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	904 st = (*f).second;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	905 rejectlist = (*f).first;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	906 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	907 if (st) return st;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	908 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	909 return false;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	910 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	911
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	912
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	913 ////////////////////////////////////////////////
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	914 // check the dnswls specified for this recipient
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	915 //
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	916 bool check_dnswl(mlfiPriv &priv, dnswlp_list &dnswll, DNSWLP &acceptlist);
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	917 bool check_dnswl(mlfiPriv &priv, dnswlp_list &dnswll, DNSWLP &acceptlist) {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	918 for (dnswlp_list::iterator i=dnswll.begin(); i!=dnswll.end(); i++) {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	919 DNSWLP dp = *i; // non null by construction
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	920 bool st;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	921 map<DNSWLP, bool>::iterator f = priv.checked_white.find(dp);
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	922 if (f == priv.checked_white.end()) {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	923 // have not checked this list yet
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	924 st = check_single(priv, priv.ip, *dp);
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	925 acceptlist = dp;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	926 priv.checked_white[dp] = st;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	927 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	928 else {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	929 st = (*f).second;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	930 acceptlist = (*f).first;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	931 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	932 if (st) return st;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	933 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	934 return false;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	935 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	936
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	937
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	938 ////////////////////////////////////////////////
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	939 // check the hosts from the body against the content filter and uribl dnsbls
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	940 //
124 ea6f9c812faa put hostname in smtp message for uribl style lookups carl parents: 123 diff changeset	941 //
242 d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	942 bool check_hosts(mlfiPriv &priv, bool random, int limit, const char &msg, const char &host, int32_t &ip, const char *&found);
d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	943 bool check_hosts(mlfiPriv &priv, bool random, int limit, const char &msg, const char &host, int32_t &ip, const char *&found) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	944 found = NULL; // normally ip address style
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	945 if (!priv.content_suffix && !priv.uribl_suffix) return false; // nothing to check
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	946 string_set &hosts = priv.memory->get_hosts();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	947 string_set &ignore = *priv.content_host_ignore;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	948
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	949 int count = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	950 int cnt = hosts.size(); // number of hosts we could look at
242 d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	951 int32_t_set ips;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	952 ns_map nameservers;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	953 for (string_set::iterator i=hosts.begin(); i!=hosts.end(); i++) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	954 host = *i; // a reference into hosts, which will live until this smtp transaction is closed
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	955
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	956 // don't bother looking up hosts on the ignore list
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	957 string_set::iterator j = ignore.find(host);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	958 if (j != ignore.end()) continue;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	959
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	960 // try to only look at limit/cnt fraction of the available cnt host names in random mode
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	961 if ((cnt > limit) && (limit > 0) && random) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	962 int r = rand() % cnt;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	963 if (r >= limit) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	964 if (debug_syslog > 2) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	965 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	966 snprintf(buf, sizeof(buf), "host %s skipped", host);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	967 my_syslog(&priv, buf);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	968 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	969 continue;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	970 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	971 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	972 count++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	973 ip = dns_interface(priv, host, true, &nameservers);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	974 if (debug_syslog > 2) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	975 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	976 if (ip) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	977 char adr[sizeof "255.255.255.255 "];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	978 adr[0] = '\0';
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	979 inet_ntop(AF_INET, (const u_char *)&ip, adr, sizeof(adr));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	980 snprintf(buf, sizeof(buf), "host %s found at %s", host, adr);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	981 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	982 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	983 snprintf(buf, sizeof(buf), "host %s not found", host);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	984 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	985 my_syslog(&priv, buf);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	986 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	987 if (ip) {
242 d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	988 int32_t_set::iterator i = ips.find(ip);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	989 if (i == ips.end()) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	990 // we haven't looked this up yet
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	991 ips.insert(ip);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	992 // check dnsbl style list
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	993 if (priv.content_suffix && check_single(priv, ip, priv.content_suffix)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	994 msg = priv.content_message;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	995 return true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	996 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	997 // Check uribl & surbl style list
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	998 if (priv.uribl_suffix && check_uribl(priv, hosts, host, found)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	999 msg = priv.uribl_message;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1000 return true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1001 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1002 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1003 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1004 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1005 limit *= 4; // allow average of 3 ns per host name
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1006 for (ns_mapper::iterator i=nameservers.ns_ip.begin(); i!=nameservers.ns_ip.end(); i++) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1007 count++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1008 if ((count > limit) && (limit > 0)) return false; // too many name servers to check them all
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1009 host = (*i).first; // a transient reference that needs to be replaced before we return it
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1010 ip = (*i).second;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1011 if (!ip) ip = dns_interface(priv, host, false, NULL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1012 if (debug_syslog > 2) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1013 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1014 if (ip) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1015 char adr[sizeof "255.255.255.255 "];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1016 adr[0] = '\0';
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1017 inet_ntop(AF_INET, (const u_char *)&ip, adr, sizeof(adr));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1018 snprintf(buf, sizeof(buf), "ns %s found at %s", host, adr);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1019 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1020 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1021 snprintf(buf, sizeof(buf), "ns %s not found", host);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1022 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1023 my_syslog(&priv, buf);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1024 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1025 if (ip) {
242 d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	1026 int32_t_set::iterator i = ips.find(ip);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1027 if (i == ips.end()) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1028 ips.insert(ip);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1029 if (check_single(priv, ip, priv.content_suffix)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1030 msg = priv.content_message;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1031 string_map::iterator j = nameservers.ns_host.find(host);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1032 if (j != nameservers.ns_host.end()) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1033 const char refer = (j).second;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1034 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1035 snprintf(buf, sizeof(buf), "%s with nameserver %s", refer, host);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1036 host = register_string(hosts, buf); // put a copy into hosts, and return that reference
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1037 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1038 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1039 host = register_string(hosts, host); // put a copy into hosts, and return that reference
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1040 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1041 return true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1042 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1043 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1044 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1045 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1046 return false;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1047 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1048
127 2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes carl parents: 126 diff changeset	1049
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1050 ////////////////////////////////////////////////
127 2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes carl parents: 126 diff changeset	1051 //
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes carl parents: 126 diff changeset	1052 // this email address is passed in from sendmail, and will normally be
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1053 // enclosed in <>. I think older versions of sendmail supplied the <>
127 2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes carl parents: 126 diff changeset	1054 // wrapper if the mail client did not, but the current version does not do
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes carl parents: 126 diff changeset	1055 // that. So the <> wrapper is now optional. It may have mixed case, just
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1056 // as the mail client sent it. We dup the string and convert the duplicate
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1057 // to lower case. Some clients enclose the entire address in single quotes,
246 8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1058 // so we strip those as well. We also remove the SRS and prvs coding.
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1059 //
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1060 const char to_lower_string(const char email);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1061 const char to_lower_string(const char email) {
266 582cfb9c4031 fix unauthenticated rate limit bug for empty mail from Carl Byington <carl@five-ten-sg.com> parents: 263 diff changeset	1062 if (!email) return strdup("<>");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1063 int n = strlen(email);
266 582cfb9c4031 fix unauthenticated rate limit bug for empty mail from Carl Byington <carl@five-ten-sg.com> parents: 263 diff changeset	1064 if (n == 0) return strdup("<>");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1065 if (email[0] == '<') {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1066 // assume it also ends with >
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1067 n -= 2;
266 582cfb9c4031 fix unauthenticated rate limit bug for empty mail from Carl Byington <carl@five-ten-sg.com> parents: 263 diff changeset	1068 if (n < 1) return strdup("<>");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1069 email++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1070 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1071 if ((email[0] == '\'') && (email[n-1] == '\'') && (n > 2)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1072 n -= 2;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1073 email++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1074 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1075 char *key = strdup(email);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1076 key[n] = '\0';
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1077 for (int i=0; i<n; i++) key[i] = tolower(key[i]);
246 8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1078 if ((n > 14) && (strncmp(key, "srs", 3) == 0)) {
235 e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1079 // might have srs coding to be removed
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1080 const int nmatch = 6;
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1081 regmatch_t match[nmatch];
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1082 if (0 == regexec(&srs_pattern, key, nmatch, match, 0)) {
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1083 int s4 = match[4].rm_so; // domain
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1084 int e4 = match[4].rm_eo;
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1085 int s5 = match[5].rm_so; // user
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1086 int e5 = match[5].rm_eo;
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1087 if ((s4 != -1) && (s5 != -1)) {
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1088 char *newkey = strdup(key); // large enough
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1089 key[e4] = '\0';
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1090 key[e5] = '\0';
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1091 strcpy(newkey, key+s5); // user
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1092 strcat(newkey, "@"); // @
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1093 strcat(newkey, key+s4); // domain
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1094 free(key);
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1095 key = newkey;
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1096 }
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1097 }
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1098 }
246 8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1099 if ((n > 7) && (strncmp(key, "prvs", 4) == 0)) {
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1100 // might have prvs coding to be removed
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1101 const int nmatch = 3;
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1102 regmatch_t match[nmatch];
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1103 if (0 == regexec(&prvs_pattern, key, nmatch, match, 0)) {
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1104 int s2 = match[2].rm_so; // user@domain
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1105 if (s2 != -1) {
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1106 char *newkey = strdup(key+s2); // user@domain
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1107 free(key);
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1108 key = newkey;
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1109 }
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1110 }
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1111 }
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1112 return key;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1113 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1114
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1115
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1116 ////////////////////////////////////////////////
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1117 // start of sendmail milter interfaces
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1118 //
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1119 sfsistat mlfi_connect(SMFICTX ctx, char hostname, _SOCK_ADDR *hostaddr)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1120 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1121 // allocate some private memory
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1122 mlfiPriv *priv = new mlfiPriv;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1123 if (hostaddr->sa_family == AF_INET) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1124 priv->ip = ((struct sockaddr_in *)hostaddr)->sin_addr.s_addr;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1125 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1126 // save the private data
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1127 smfi_setpriv(ctx, (void*)priv);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1128
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1129 // continue processing
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1130 return SMFIS_CONTINUE;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1131 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1132
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1133 sfsistat mlfi_helo(SMFICTX * ctx, char *helohost)
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1134 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1135 mlfiPriv &priv = *MLFIPRIV;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1136 priv.helo = strdup(helohost);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1137 return SMFIS_CONTINUE;
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1138 }
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1139
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1140 sfsistat mlfi_envfrom(SMFICTX ctx, char *from)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1141 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1142 mlfiPriv &priv = *MLFIPRIV;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1143 priv.mailaddr = to_lower_string(from[0]);
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1144 priv.queueid = strdup(smfi_getsymval(ctx, (char*)"i"));
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1145 priv.authenticated = smfi_getsymval(ctx, (char*)"{auth_authen}");
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1146 priv.client_name = smfi_getsymval(ctx, (char*)"_");
191 2a67d31099c3 fix null pointer dereference from missing HELO command carl parents: 190 diff changeset	1147 if (!priv.helo) priv.helo = strdup("unknown");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1148 if (priv.authenticated) priv.authenticated = strdup(priv.authenticated);
257 d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1149 if (priv.client_name) {
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1150 priv.client_name = strdup(priv.client_name);
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1151 const char *p = strstr(priv.client_name, " [");
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1152 if (p) {
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1153 uint pp = p - priv.client_name;
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1154 priv.client_dns_name = strdup(priv.client_name);
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1155 priv.client_dns_name[pp] = '\0';
259 be939802c64e add recipient rate limits by email from address or domain Carl Byington <carl@five-ten-sg.com> parents: 257 diff changeset	1156 //char text[500];
be939802c64e add recipient rate limits by email from address or domain Carl Byington <carl@five-ten-sg.com> parents: 257 diff changeset	1157 //snprintf(text, sizeof(text), "found simple dns client name %s", priv.client_dns_name);
be939802c64e add recipient rate limits by email from address or domain Carl Byington <carl@five-ten-sg.com> parents: 257 diff changeset	1158 //my_syslog(text);
257 d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1159 }
268 f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1160 p = strstr(priv.client_name, "] (may be forged)");
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1161 if (p) {
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1162 priv.client_dns_forged = true;
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1163 if (priv.client_dns_name) {
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1164 char text[500];
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1165 snprintf(text, sizeof(text), "forged dns client name %s", priv.client_dns_name);
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1166 my_syslog(text);
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1167 }
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1168 }
257 d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets Carl Byington <carl@five-ten-sg.com> parents: 255 diff changeset	1169 }
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1170 if (spamc != spamc_empty) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1171 priv.assassin = new SpamAssassin(&priv, priv.ip, priv.helo, priv.mailaddr, priv.queueid);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1172 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1173 if (dccifd_port) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1174 priv.dccifd = new DccInterface(dccifd_port, &priv, priv.ip, priv.helo, priv.mailaddr);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1175 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1176 return SMFIS_CONTINUE;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1177 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1178
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1179 sfsistat mlfi_envrcpt(SMFICTX ctx, char *rcpt)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1180 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1181 DNSBLP rejectlist = NULL; // list that caused the reject
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1182 mlfiPriv &priv = *MLFIPRIV;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1183 CONFIG &dc = *priv.pc;
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1184 const char *rcptaddr = rcpt[0];
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1185 const char *loto = to_lower_string(rcptaddr);
216 784030ac71f1 Never whitelist self addressed mail. Changes for Fedora 10 and const correctness. Carl Byington <carl@five-ten-sg.com> parents: 214 diff changeset	1186 bool self = (strcmp(loto, priv.mailaddr) == 0);
174 da0c41b9f672 don't whitelist addresses with embedded spaces carl parents: 173 diff changeset	1187
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1188 // some version of sendmail allowed rcpt to:<> and passed it thru to the milters
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1189 if (strcmp(loto, "<>") == 0) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1190 smfi_setreply(ctx, (char)"550", (char)"5.7.1", (char*)"bogus recipient");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1191 return SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1192 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1193 // priv.mailaddr sending original message to loto
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1194 CONTEXT &con = *(dc.find_context(loto)->find_context(priv.mailaddr));
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1195 VERIFYP ver = con.find_verify(loto);
233 5c3e9bf45bb5 Add whitelisting by regex expression filtering. Carl Byington <carl@five-ten-sg.com> parents: 231 diff changeset	1196 const char *fromvalue = con.find_from(priv.mailaddr, true, priv.queueid);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1197 // tell spam assassin and dccifd about this recipient
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1198 if (priv.assassin) priv.assassin->mlfi_envrcpt(ctx, loto);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1199 if (priv.dccifd) priv.dccifd->mlfi_envrcpt(ctx, loto, con.get_grey() && !priv.authenticated);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1200 // loto sending a reply back to priv.mailaddr
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1201 CONTEXT &con2 = *(dc.find_context(priv.mailaddr)->find_context(loto));
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1202 const char *replyvalue = con2.find_from(loto);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1203 if (debug_syslog > 1) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1204 char buf[maxlen];
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1205 char buf2[maxlen];
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1206 char msg[maxlen];
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1207 snprintf(msg, sizeof(msg), "from <%s> to <%s> using context %s state %s reply context %s state %s", priv.mailaddr, loto, con.get_full_name(buf,maxlen), fromvalue, con2.get_full_name(buf2,maxlen), replyvalue);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1208 my_syslog(&priv, msg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1209 }
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1210 free((void*)loto);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1211 status st;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1212 if (replyvalue == token_black) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1213 smfi_setreply(ctx, (char)"550", (char)"5.7.1", (char*)"recipient can not reply due to blacklisting");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1214 return SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1215 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1216 if (priv.authenticated) {
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1217 int hourly, daily;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1218 incr_rcpt_count(priv.authenticated, hourly, daily);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1219 int h_limit = dc.default_context->find_rate(priv.authenticated);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1220 int d_limit = dc.default_context->get_daily_multiple() * h_limit;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1221 if (debug_syslog > 1) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1222 char msg[maxlen];
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1223 snprintf(msg, sizeof(msg), "authenticated id %s (%d %d recipients, %d %d limits)", priv.authenticated, hourly, daily, h_limit, d_limit);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1224 my_syslog(&priv, msg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1225 }
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1226 if ((hourly > h_limit) \|\| (daily > d_limit)){
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1227 smfi_setreply(ctx, (char)"550", (char)"5.7.1", (char*)"recipient rate limit exceeded");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1228 return SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1229 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1230 st = white;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1231 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1232 else if (fromvalue == token_black) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1233 st = black;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1234 }
216 784030ac71f1 Never whitelist self addressed mail. Changes for Fedora 10 and const correctness. Carl Byington <carl@five-ten-sg.com> parents: 214 diff changeset	1235 else if ((fromvalue == token_white) && !self) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1236 st = white;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1237 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1238 else {
249 15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1239 // check the dns based lists, whitelist first
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1240 DNSWLP acceptlist = NULL; // list that caused the whitelisting
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1241 if (check_dnswl(priv, con.get_dnswl_list(), acceptlist)) {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1242 st = white;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1243 if (debug_syslog > 1) {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1244 char msg[maxlen];
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1245 snprintf(msg, sizeof(msg), "whitelisted by %s", acceptlist->name);
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1246 my_syslog(&priv, msg);
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1247 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1248 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1249 else if (check_dnsbl(priv, con.get_dnsbl_list(), rejectlist)) {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1250 st = reject;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1251 }
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1252 else {
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1253 st = oksofar;
15bf4f68a0b2 Add dnswl support Carl Byington <carl@five-ten-sg.com> parents: 248 diff changeset	1254 }
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1255 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1256 if (st == reject) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1257 // reject the recipient based on some dnsbl
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1258 char adr[sizeof "255.255.255.255 "];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1259 adr[0] = '\0';
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1260 inet_ntop(AF_INET, (const u_char *)&priv.ip, adr, sizeof(adr));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1261 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1262 snprintf(buf, sizeof(buf), rejectlist->message, adr, adr);
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1263 smfi_setreply(ctx, (char)"550", (char)"5.7.1", buf);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1264 return SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1265 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1266 if (st == oksofar) {
268 f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1267 // check forged rdns
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1268 if (con.get_requirerdns() && (!priv.client_dns_name \|\| priv.client_dns_forged)) {
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1269 // reject the recipient based on forged reverse dns
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1270 char buf[maxlen];
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1271 snprintf(buf, sizeof(buf), "%s is not acceptable", priv.client_name);
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1272 smfi_setreply(ctx, (char)"550", (char)"5.7.1", buf);
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1273 return SMFIS_REJECT;
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1274 }
f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1275 // check generic rdns
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1276 const char *msg = con.generic_match(priv.client_name);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1277 if (msg) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1278 // reject the recipient based on generic reverse dns
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1279 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1280 snprintf(buf, sizeof(buf), msg, priv.client_name);
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1281 smfi_setreply(ctx, (char)"550", (char)"5.7.1", buf);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1282 return SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1283 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1284 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1285 if (st == black) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1286 // reject the recipient based on blacklisting either from or to
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1287 smfi_setreply(ctx, (char)"550", (char)"5.7.1", (char*)"no such user");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1288 return SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1289 }
203 92a5c866bdfa Verify from/to pairs even if they might be explicitly whitelisted. Carl Byington <carl@five-ten-sg.com> parents: 194 diff changeset	1290 if (ver) {
92a5c866bdfa Verify from/to pairs even if they might be explicitly whitelisted. Carl Byington <carl@five-ten-sg.com> parents: 194 diff changeset	1291 // try to verify this from/to pair of addresses even if it might be explicitly whitelisted
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1292 const char *loto = to_lower_string(rcptaddr);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1293 bool rc = ver->ok(priv.mailaddr, loto);
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1294 free((void*)loto);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1295 if (!rc) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1296 smfi_setreply(ctx, (char)"550", (char)"5.7.1", (char*)"no such user");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1297 return SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1298 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1299 }
263 e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1300 if (!priv.authenticated && dc.default_context->is_unauthenticated_limited(priv.mailaddr)) {
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1301 int hourly, daily;
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1302 incr_rcpt_count(priv.mailaddr, hourly, daily);
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1303 int h_limit = dc.default_context->find_rate(priv.mailaddr);
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1304 int d_limit = dc.default_context->get_daily_multiple() * h_limit;
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1305 if (debug_syslog > 1) {
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1306 char msg[maxlen];
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1307 snprintf(msg, sizeof(msg), "unauthenticated address %s (%d %d recipients, %d %d limits)", priv.mailaddr, hourly, daily, h_limit, d_limit);
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1308 my_syslog(&priv, msg);
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1309 }
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1310 if ((hourly > h_limit) \|\| (daily > d_limit)){
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1311 smfi_setreply(ctx, (char)"550", (char)"5.7.1", (char*)"recipient rate limit exceeded");
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1312 return SMFIS_REJECT;
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1313 }
e118fd2c6af0 fix unauthenticated rate limit bug for empty mail from; move unauthenticate rate limit checks after spam filtering Carl Byington <carl@five-ten-sg.com> parents: 259 diff changeset	1314 }
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1315 // we will accept the recipient, but add an auto-whitelist entry
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1316 // if needed to ensure we can accept replies
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1317 loto = to_lower_string(rcptaddr);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1318 WHITELISTERP w = con2.find_autowhite(loto, priv.mailaddr);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1319 // check if local part is too big
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1320 const int max_local_size = 30;
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1321 const char *p = strchr(loto, '@');
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1322 int len = (p) ? p-loto : max_local_size;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1323 if (len >= max_local_size) w = NULL; // too big, pretend we don't have a whitelister
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1324 // record it if we have a whitelister
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1325 if (w) {
231 4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1326 DELAYWHITEP dwp = new DELAYWHITE(loto, w, &con2); // dwp takes ownership of the string
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1327 priv.delayer.push_back(dwp);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1328 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1329 else {
231 4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1330 free((void*)loto); // or we free it here
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1331 }
179 8b86a894514d embedded dcc filtering carl parents: 178 diff changeset	1332
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1333 // accept the recipient
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1334 if (!con.get_content_filtering()) st = white;
179 8b86a894514d embedded dcc filtering carl parents: 178 diff changeset	1335
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1336 if (st == oksofar) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1337 // remember first content filtering context
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1338 if (con.get_content_filtering()) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1339 if (!priv.content_context) priv.content_context = &con;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1340 else if (con.get_require() && (priv.content_context != &con)) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1341 smfi_setreply(ctx, (char)"452", (char)"4.2.1", (char*)"incompatible filtering contexts");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1342 return SMFIS_TEMPFAIL;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1343 }
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1344 priv.need_content_filter(rcptaddr, con);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1345 char bu[maxlen];
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1346 bool uri = false;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1347 // content filtering implies also checking helo name on uribl (if enabled)
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1348 if (priv.helo_uribl) {
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	1349 snprintf(bu, sizeof(bu), "(helo %s)", priv.host_uribl);
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1350 uri = true;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1351 }
268 f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1352 // content filtering implies also checking client reverse dns name on uribl (if enabled)
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1353 if (priv.client_uribl) {
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	1354 snprintf(bu, sizeof(bu), "(rdns %s)", priv.host_uribl);
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1355 uri = true;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1356 }
268 f941563c2a95 Add require_rdns checking Carl Byington <carl@five-ten-sg.com> parents: 266 diff changeset	1357 // content filtering implies also checking mail from domain name on uribl (if enabled)
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1358 if (priv.from_uribl) {
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	1359 snprintf(bu, sizeof(bu), "(from %s)", priv.host_uribl);
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1360 uri = true;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1361 }
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1362 if (uri) {
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1363 char buf[maxlen];
238 7b818a4e21a4 produce correct uribl message Carl Byington <carl@five-ten-sg.com> parents: 236 diff changeset	1364 snprintf(buf, sizeof(buf), priv.uribl_message, bu, priv.host_uribl);
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1365 smfi_setreply(ctx, (char)"550", (char)"5.7.1", buf);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1366 return SMFIS_REJECT;
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1367 }
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1368 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1369 // remember the non-whites
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1370 register_string(priv.env_to, rcptaddr, &con);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1371 priv.only_whites = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1372 priv.want_spamassassin \|= (priv.assassin) && // have spam assassin available and
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1373 (con.get_spamassassin_limit() != 0); // want to use it with a non-zero score
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1374 priv.want_dccgrey \|= (priv.dccifd) && // have dcc interface and
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1375 (con.get_grey()); // want to use it for greylisting
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1376 priv.want_dccbulk \|= (priv.dccifd) && // have dcc interface and
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1377 (con.get_bulk() != 0); // want to use it for bulk detection
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1378 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1379 if (st == white) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1380 priv.have_whites = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1381 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1382 return SMFIS_CONTINUE;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1383 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1384
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1385 sfsistat mlfi_header(SMFICTX* ctx, char* headerf, char* headerv)
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1386 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1387 mlfiPriv &priv = *MLFIPRIV;
231 4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1388 // headers that avoid autowhitelisting
230 ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	1389 if (((strcasecmp(headerf, "precedence") == 0) && (strcasecmp(headerv, "bulk") == 0)) \|\|
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	1390 ((strcasecmp(headerf, "content-type") == 0) && (strncasecmp(headerv, "multipart/report", 16) == 0))) {
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	1391 priv.allow_autowhitelisting = false;
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	1392 }
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	1393
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1394 // other headers are only needed for content filtering
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1395 if (priv.authenticated) return SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1396 if (priv.only_whites) return SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1397 if (priv.want_spamassassin) priv.assassin->mlfi_header(headerf, headerv);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1398 if (priv.want_dccgrey \|\| priv.want_dccbulk) priv.dccifd->mlfi_header(ctx, headerf, headerv);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1399 return SMFIS_CONTINUE;
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1400 }
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1401
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1402 sfsistat mlfi_eoh(SMFICTX* ctx)
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1403 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1404 mlfiPriv &priv = *MLFIPRIV;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1405 // delayed autowhitelisting
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1406 while (!priv.delayer.empty()) {
231 4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1407 DELAYWHITEP dwp = priv.delayer.front();
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1408 const char *loto = dwp->get_loto();
230 ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications. Carl Byington <carl@five-ten-sg.com> parents: 227 diff changeset	1409 if (priv.allow_autowhitelisting) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1410 WHITELISTERP w = dwp->get_w();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1411 CONTEXTP con2 = dwp->get_con();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1412 if (debug_syslog > 1) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1413 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1414 char msg[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1415 snprintf(msg, sizeof(msg), "whitelist reply from <%s> in context %s", loto, con2->get_full_name(buf,maxlen));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1416 my_syslog(&priv, msg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1417 }
231 4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1418 w->sent(loto); // don't free it, the whitelister takes ownership of the string
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1419 }
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1420 else {
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1421 if (debug_syslog > 1) {
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1422 char msg[maxlen];
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1423 snprintf(msg, sizeof(msg), "avoid whitelist reply from <%s> for outgoing auto-responder", loto);
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1424 my_syslog(&priv, msg);
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1425 }
4d6bd04d93fa Fix memory leak in suppressed auto whitelisting. Carl Byington <carl@five-ten-sg.com> parents: 230 diff changeset	1426 if (loto) free((void*)loto);// or we free it here
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1427 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1428 delete dwp;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1429 priv.delayer.pop_front();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1430 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1431 // content filtering
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1432 if (priv.authenticated) return SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1433 if (priv.only_whites) return SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1434 if (priv.want_spamassassin) priv.assassin->mlfi_eoh();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1435 if (priv.want_dccgrey \|\| priv.want_dccbulk) priv.dccifd->mlfi_eoh();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1436 return SMFIS_CONTINUE;
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1437 }
97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1438
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1439 sfsistat mlfi_body(SMFICTX ctx, u_char data, size_t len)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1440 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1441 mlfiPriv &priv = *MLFIPRIV;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1442 if (priv.authenticated) return SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1443 if (priv.only_whites) return SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1444 if (priv.want_spamassassin) priv.assassin->mlfi_body(data, len);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1445 if (priv.want_dccgrey \|\| priv.want_dccbulk) priv.dccifd->mlfi_body(data, len);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1446 priv.scanner->scan(data, len);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1447 return SMFIS_CONTINUE;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1448 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1449
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1450 sfsistat mlfi_eom(SMFICTX *ctx)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1451 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1452 sfsistat rc;
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1453 mlfiPriv &priv = *MLFIPRIV;
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1454 const char *host = NULL;
242 d8ee4c97b9ab 64 bit fixes for libresolv.a Carl Byington <carl@five-ten-sg.com> parents: 238 diff changeset	1455 int32_t ip;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1456 // process end of message
190 004b855c6c1f fix null pointer dereference from missing HELO command carl parents: 188 diff changeset	1457 priv.eom = true;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1458 if (priv.authenticated \|\| priv.only_whites) rc = SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1459 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1460 // assert env_to not empty, it contains the
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1461 // non-whitelisted folks that want content filtering
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1462 int score = (priv.want_spamassassin) ? priv.assassin->mlfi_eom() : 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1463 bool grey = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1464 int bulk = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1465 if (priv.want_dccgrey \|\| priv.want_dccbulk) priv.dccifd->mlfi_eom(grey, bulk);
178 d6531c702be3 embedded dcc filtering carl parents: 177 diff changeset	1466
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1467 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1468 string msg;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1469 string_set alive;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1470 bool random = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1471 int limit = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1472 for (context_map::iterator i=priv.env_to.begin(); i!=priv.env_to.end(); i++) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1473 const char rcpt = (i).first;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1474 CONTEXT &con = ((i).second);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1475 if (!con.acceptable_content(*priv.memory, score, bulk, msg)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1476 // bad html tags or excessive hosts or
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1477 // high spam assassin score or dcc bulk threshold exceedeed
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1478 smfi_delrcpt(ctx, (char*)rcpt);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1479 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1480 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1481 alive.insert(rcpt);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1482 random \|= con.get_host_random();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1483 limit = max(limit, con.get_host_limit());
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1484 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1485 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1486 bool rejecting = alive.empty(); // if alive is empty, we must have set msg above in acceptable_content()
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1487 if (!rejecting) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1488 const char *fmt;
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1489 const char *found;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1490 if (check_hosts(priv, random, limit, fmt, host, ip, found)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1491 if (found) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1492 // uribl style
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1493 snprintf(buf, sizeof(buf), fmt, host, found);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1494 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1495 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1496 // dnsbl style
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1497 char adr[sizeof "255.255.255.255 "];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1498 adr[0] = '\0';
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1499 inet_ntop(AF_INET, (const u_char *)&ip, adr, sizeof(adr));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1500 snprintf(buf, sizeof(buf), fmt, host, adr);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1501 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1502 msg = string(buf);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1503 rejecting = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1504 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1505 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1506 if (!rejecting) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1507 if (priv.want_dccgrey && grey) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1508 smfi_setreply(ctx, (char)"452", (char)"4.2.1", (char*)"temporary greylist embargoed");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1509 rc = SMFIS_TEMPFAIL;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1510 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1511 else rc = SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1512 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1513 else if (!priv.have_whites) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1514 // can reject the entire message
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1515 snprintf(buf, sizeof(buf), "%s", msg.c_str());
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1516 smfi_setreply(ctx, (char)"550", (char)"5.7.1", buf);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1517 rc = SMFIS_REJECT;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1518 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1519 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1520 // need to accept it but remove the recipients that don't want it
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1521 for (string_set::iterator i=alive.begin(); i!=alive.end(); i++) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1522 const char rcpt = i;
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1523 smfi_delrcpt(ctx, (char*)rcpt);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1524 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1525 rc = SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1526 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1527 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1528 // reset for a new message on the same connection
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1529 mlfi_abort(ctx);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1530 return rc;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1531 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1532
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1533 sfsistat mlfi_abort(SMFICTX *ctx)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1534 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1535 mlfiPriv &priv = *MLFIPRIV;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1536 priv.reset();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1537 return SMFIS_CONTINUE;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1538 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1539
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1540 sfsistat mlfi_close(SMFICTX *ctx)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1541 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1542 mlfiPriv *priv = MLFIPRIV;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1543 if (!priv) return SMFIS_CONTINUE;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1544 delete priv;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1545 smfi_setpriv(ctx, NULL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1546 return SMFIS_CONTINUE;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1547 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1548
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1549 struct smfiDesc smfilter =
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1550 {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1551 (char*)"DNSBL", // filter name
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1552 SMFI_VERSION, // version code -- do not change
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1553 SMFIF_DELRCPT, // flags
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1554 mlfi_connect, // connection info filter
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1555 mlfi_helo, // SMTP HELO command filter
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1556 mlfi_envfrom, // envelope sender filter
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1557 mlfi_envrcpt, // envelope recipient filter
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1558 mlfi_header, // header filter
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1559 mlfi_eoh, // end of header
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1560 mlfi_body, // body block filter
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1561 mlfi_eom, // end of message
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1562 mlfi_abort, // message aborted
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1563 mlfi_close, // connection cleanup
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1564 };
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1565
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1566
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1567 ////////////////////////////////////////////////
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1568 // reload the config
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1569 //
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1570 CONFIG* new_conf();
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1571 CONFIG* new_conf() {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1572 CONFIG *newc = new CONFIG;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1573 pthread_mutex_lock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1574 newc->generation = generation++;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1575 pthread_mutex_unlock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1576 if (debug_syslog) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1577 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1578 snprintf(buf, sizeof(buf), "loading configuration generation %d", newc->generation);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1579 my_syslog(buf);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1580 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1581 if (load_conf(*newc, "dnsbl.conf")) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1582 newc->load_time = time(NULL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1583 return newc;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1584 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1585 delete newc;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1586 return NULL;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1587 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1588
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1589
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1590 ////////////////////////////////////////////////
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1591 // thread to watch the old config files for changes
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1592 // and reload when needed.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1593 // we also clear the SMTP AUTH recipient counts hourly
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1594 //
163 97d7da45fe2a spamassassin changes carl parents: 162 diff changeset	1595 extern "C" {void* config_loader(void *arg);}
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1596 void* config_loader(void *arg) {
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1597 int loop1 = 0;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1598 int loop2 = 0;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1599 while (loader_run) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1600 sleep(180); // look for modifications every 3 minutes
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1601 if (!loader_run) break;
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1602 loop1++;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1603 loop2++;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1604 if (loop1 == 20) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1605 // three minutes thru each loop, 20 loops per hour
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1606 // clear the recipient hourly counts
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1607 pthread_mutex_lock(&rate_mutex);
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1608 for (rcpt_rates::iterator i=rcpt_hourly_counts.begin(); i!=rcpt_hourly_counts.end(); i++) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1609 (*i).second = 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1610 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1611 pthread_mutex_unlock(&rate_mutex);
255 d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1612 loop1 = 0;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1613 }
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1614 if (loop2 == 480) {
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1615 // three minutes thru each loop, 480 loops per day
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1616 // clear the recipient daily counts
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1617 pthread_mutex_lock(&rate_mutex);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1618 for (rcpt_rates::iterator i=rcpt_daily_counts.begin(); i!=rcpt_daily_counts.end(); i++) {
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1619 (*i).second = 0;
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1620 }
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1621 pthread_mutex_unlock(&rate_mutex);
d6d5c50b9278 Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits. Carl Byington <carl@five-ten-sg.com> parents: 252 diff changeset	1622 loop2 = 0;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1623 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1624 CONFIG &dc = *config;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1625 time_t then = dc.load_time;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1626 struct stat st;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1627 bool reload = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1628 for (string_set::iterator i=dc.config_files.begin(); i!=dc.config_files.end(); i++) {
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1629 const char fn = i;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1630 if (stat(fn, &st)) reload = true; // file disappeared
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1631 else if (st.st_mtime > then) reload = true; // file modified
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1632 if (reload) break;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1633 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1634 if (reload) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1635 CONFIG *newc = new_conf();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1636 if (newc) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1637 // replace the global config pointer
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1638 pthread_mutex_lock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1639 CONFIG *pc = config;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1640 bool last = pc && (!pc->reference_count);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1641 config = newc;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1642 pthread_mutex_unlock(&config_mutex);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1643 if (last) delete pc; // there were no references to this config
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1644 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1645 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1646 // failed to load new config
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1647 my_syslog("failed to load new configuration");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1648 system("echo 'failed to load new dnsbl configuration from /etc/dnsbl' \| mail -s 'error in /etc/dnsbl configuration' root");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1649 // update the load time on the current config to prevent complaining every 3 minutes
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1650 dc.load_time = time(NULL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1651 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1652 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1653 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1654 return NULL;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1655 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1656
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1657
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1658 void usage(const char *prog);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1659 void usage(const char *prog)
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1660 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1661 fprintf(stderr, "Usage: %s [-d [level]] [-c] [-s] [-e from\|to] [-b dccifd-addr] -r port -p sm-sock-addr [-t timeout]\n", prog);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1662 fprintf(stderr, "where dccifd_addr is for the connection to dccifd\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1663 fprintf(stderr, " and should be local-domain-socket-file-name\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1664 fprintf(stderr, "where port is for the connection to our own dns resolver processes\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1665 fprintf(stderr, " and should be local-domain-socket-file-name\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1666 fprintf(stderr, "where sm-sock-addr is for the connection to sendmail\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1667 fprintf(stderr, " and should be one of\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1668 fprintf(stderr, " inet:port@ip-address\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1669 fprintf(stderr, " local:local-domain-socket-file-name\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1670 fprintf(stderr, "-c will load and dump the config to stdout\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1671 fprintf(stderr, "-s will stress test the config loading code by repeating the load/free cycle\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1672 fprintf(stderr, " in an infinte loop.\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1673 fprintf(stderr, "-d will set the syslog message level, currently 0 to 3\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1674 fprintf(stderr, "-e will print the results of looking up the from and to addresses in the\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1675 fprintf(stderr, " current config. The \| character is used to separate the from and to\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1676 fprintf(stderr, " addresses in the argument to the -e switch\n");
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1677 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1678
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1679
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1680
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1681 void setup_socket(const char *sock);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1682 void setup_socket(const char *sock) {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1683 unlink(sock);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1684 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1685
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1686
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1687 /*
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1688 * The signal handler function -- only gets called when a SIGCHLD
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1689 * is received, ie when a child terminates
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1690 */
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1691 void sig_chld(int signo)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1692 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1693 int status;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1694 /* Wait for any child without blocking */
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1695 while (waitpid(-1, &status, WNOHANG) > 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1696 // ignore child exit status, we only do this to cleanup zombies
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1697 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1698 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1699
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1700
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1701 int main(int argc, char**argv)
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1702 {
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1703 token_init();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1704 bool check = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1705 bool stress = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1706 bool setconn = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1707 bool setreso = false;
244 ef97c7cd4a6e const correctness fixes from new gcc, libresolv.a moved to glibc-static on newer distributions Carl Byington <carl@five-ten-sg.com> parents: 242 diff changeset	1708 char *email = NULL;
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1709 int c;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1710 const char *args = "b:r:p:t:e:d:chs";
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1711 extern char *optarg;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1712
235 e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1713 // setup srs coding detection
246 8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1714 if (regcomp(&srs_pattern, "^srs(0\|1)=([^=]+)=([^=]+)=([^=]+)=([^@]+)@", REG_ICASE \| REG_EXTENDED)) {
235 e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1715 printf("cannot compile regex pattern to find srs coding in mail addresses\n");
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1716 exit(3);
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1717 }
e6c66640f6f9 Add SRS decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 233 diff changeset	1718
246 8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1719 // setup prvs coding detection
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1720 if (regcomp(&prvs_pattern, "^prvs=([^=]+)=(.+)$", REG_ICASE \| REG_EXTENDED)) {
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1721 printf("cannot compile regex pattern to find prvs coding in mail addresses\n");
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1722 exit(3);
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1723 }
8b0f16abee53 Add prvs decoding to envelope addresses Carl Byington <carl@five-ten-sg.com> parents: 244 diff changeset	1724
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1725 // Process command line options
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1726 while ((c = getopt(argc, argv, args)) != -1) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1727 switch (c) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1728 case 'b':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1729 if (optarg == NULL \|\| *optarg == '\0') {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1730 fprintf(stderr, "Illegal dccifd socket: %s\n", optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1731 exit(EX_USAGE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1732 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1733 dccifd_port = strdup(optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1734 break;
177 a4d313c2460b start embedded dcc filtering carl parents: 174 diff changeset	1735
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1736 case 'r':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1737 if (optarg == NULL \|\| *optarg == '\0') {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1738 fprintf(stderr, "Illegal resolver socket: %s\n", optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1739 exit(EX_USAGE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1740 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1741 resolver_port = strdup(optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1742 setup_socket(resolver_port);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1743 setreso = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1744 break;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1745
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1746 case 'p':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1747 if (optarg == NULL \|\| *optarg == '\0') {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1748 fprintf(stderr, "Illegal sendmail socket: %s\n", optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1749 exit(EX_USAGE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1750 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1751 if (smfi_setconn(optarg) == MI_FAILURE) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1752 fprintf(stderr, "smfi_setconn failed\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1753 exit(EX_SOFTWARE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1754 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1755 if (strncasecmp(optarg, "unix:", 5) == 0) setup_socket(optarg + 5);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1756 else if (strncasecmp(optarg, "local:", 6) == 0) setup_socket(optarg + 6);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1757 setconn = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1758 break;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1759
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1760 case 't':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1761 if (optarg == NULL \|\| *optarg == '\0') {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1762 fprintf(stderr, "Illegal timeout: %s\n", optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1763 exit(EX_USAGE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1764 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1765 if (smfi_settimeout(atoi(optarg)) == MI_FAILURE) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1766 fprintf(stderr, "smfi_settimeout failed\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1767 exit(EX_SOFTWARE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1768 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1769 break;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1770
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1771 case 'e':
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1772 if (email) free((void*)email);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1773 email = strdup(optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1774 break;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1775
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1776 case 'c':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1777 check = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1778 break;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1779
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1780 case 's':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1781 stress = true;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1782 break;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1783
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1784 case 'd':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1785 if (optarg == NULL \|\| *optarg == '\0') debug_syslog = 1;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1786 else debug_syslog = atoi(optarg);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1787 break;
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1788
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1789 case 'h':
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1790 default:
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1791 usage(argv[0]);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1792 exit(EX_USAGE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1793 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1794 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1795
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1796 if (check) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1797 use_syslog = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1798 debug_syslog = 10;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1799 CONFIG *conf = new_conf();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1800 if (conf) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1801 conf->dump();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1802 delete conf;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1803 clear_strings(); // for valgrind checking
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1804 return 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1805 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1806 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1807 return 1; // config failed to load
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1808 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1809 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1810
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1811 if (stress) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1812 fprintf(stdout, "stress testing\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1813 while (1) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1814 for (int i=0; i<10; i++) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1815 CONFIG *conf = new_conf();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1816 if (conf) delete conf;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1817 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1818 fprintf(stdout, ".");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1819 fflush(stdout);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1820 sleep(1);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1821 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1822 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1823
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1824 if (email) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1825 char *x = strchr(email, '\|');
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1826 if (x) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1827 *x = '\0';
236 c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1828 const char *from = to_lower_string(email);
c0d2e99c0a1d Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name Carl Byington <carl@five-ten-sg.com> parents: 235 diff changeset	1829 const char *to = to_lower_string(x+1);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1830 use_syslog = false;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1831 CONFIG *conf = new_conf();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1832 if (conf) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1833 CONTEXTP con = conf->find_context(to);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1834 char buf[maxlen];
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1835 fprintf(stdout, "envelope to <%s> finds context %s\n", to, con->get_full_name(buf,maxlen));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1836 CONTEXTP fc = con->find_context(from);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1837 fprintf(stdout, "envelope from <%s> finds context %s\n", from, fc->get_full_name(buf,maxlen));
214 82886d4dd71f Fixes to compile on Fedora 9 and for const correctness. Carl Byington <carl@five-ten-sg.com> parents: 211 diff changeset	1838 const char *st = fc->find_from(from);
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1839 fprintf(stdout, "envelope from <%s> finds status %s\n", from, st);
216 784030ac71f1 Never whitelist self addressed mail. Changes for Fedora 10 and const correctness. Carl Byington <carl@five-ten-sg.com> parents: 214 diff changeset	1840 bool self = (strcmp(from, to) == 0);
784030ac71f1 Never whitelist self addressed mail. Changes for Fedora 10 and const correctness. Carl Byington <carl@five-ten-sg.com> parents: 214 diff changeset	1841 if ((st == token_white) && self) fprintf(stdout, "ignore self whitelisting\n");
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1842 delete conf;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1843 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1844 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1845 return 0;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1846 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1847
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1848 if (!setconn) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1849 fprintf(stderr, "%s: Missing required -p argument\n", argv[0]);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1850 usage(argv[0]);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1851 exit(EX_USAGE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1852 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1853
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1854 if (!setreso) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1855 fprintf(stderr, "%s: Missing required -r argument\n", argv[0]);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1856 usage(argv[0]);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1857 exit(EX_USAGE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1858 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1859
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1860 if (smfi_register(smfilter) == MI_FAILURE) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1861 fprintf(stderr, "smfi_register failed\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1862 exit(EX_UNAVAILABLE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1863 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1864
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1865 // switch to background mode
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1866 if (daemon(1,0) < 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1867 fprintf(stderr, "daemon() call failed\n");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1868 exit(EX_UNAVAILABLE);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1869 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1870
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1871 // write the pid
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1872 const char *pidpath = "/var/run/dnsbl.pid";
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1873 unlink(pidpath);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1874 FILE *f = fopen(pidpath, "w");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1875 if (f) {
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1876 #ifdef linux
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1877 // from a comment in the DCC source code:
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1878 // Linux threads are broken. Signals given the
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1879 // original process are delivered to only the
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1880 // thread that happens to have that PID. The
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1881 // sendmail libmilter thread that needs to hear
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1882 // SIGINT and other signals does not, and that breaks
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1883 // scripts that need to stop milters.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1884 // However, signaling the process group works.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1885 fprintf(f, "-%d\n", (u_int)getpgrp());
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1886 #else
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1887 fprintf(f, "%d\n", (u_int)getpid());
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1888 #endif
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1889 fclose(f);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1890 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1891
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1892 // initialize the thread sync objects
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1893 pthread_mutex_init(&config_mutex, 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1894 pthread_mutex_init(&syslog_mutex, 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1895 pthread_mutex_init(&resolve_mutex, 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1896 pthread_mutex_init(&fd_pool_mutex, 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1897 pthread_mutex_init(&verifier_mutex, 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1898 pthread_mutex_init(&whitelister_mutex, 0);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1899
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1900 // drop root privs
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1901 struct passwd *pw = getpwnam("dnsbl");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1902 if (pw) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1903 if (setgid(pw->pw_gid) == -1) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1904 my_syslog("failed to switch to group dnsbl");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1905 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1906 if (setuid(pw->pw_uid) == -1) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1907 my_syslog("failed to switch to user dnsbl");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1908 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1909 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1910
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1911 // load the initial config
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1912 config = new_conf();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1913 if (!config) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1914 my_syslog("failed to load initial configuration, quitting");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1915 exit(1);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1916 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1917
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1918 // fork off the resolver listener process
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1919 pid_t child = fork();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1920 if (child < 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1921 my_syslog("failed to create resolver listener process");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1922 exit(0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1923 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1924 if (child == 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1925 // we are the child - dns resolver listener process
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1926 resolver_socket = socket(AF_UNIX, SOCK_STREAM, 0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1927 if (resolver_socket < 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1928 my_syslog("child failed to create resolver socket");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1929 exit(0); // failed
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1930 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1931 sockaddr_un server;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1932 memset(&server, '\0', sizeof(server));
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1933 server.sun_family = AF_UNIX;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1934 strncpy(server.sun_path, resolver_port, sizeof(server.sun_path)-1);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1935 //try to bind the address to the socket.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1936 if (bind(resolver_socket, (sockaddr *)&server, sizeof(server)) < 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1937 // bind failed
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1938 shutdown(resolver_socket, SHUT_RDWR);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1939 close(resolver_socket);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1940 my_syslog("child failed to bind resolver socket");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1941 exit(0); // failed
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1942 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1943 //listen on the socket.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1944 if (listen(resolver_socket, 10) < 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1945 // listen failed
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1946 shutdown(resolver_socket, SHUT_RDWR);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1947 close(resolver_socket);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1948 my_syslog("child failed to listen to resolver socket");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1949 exit(0); // failed
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1950 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1951 // setup sigchld handler to prevent zombies
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1952 struct sigaction act;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1953 act.sa_handler = sig_chld; // Assign sig_chld as our SIGCHLD handler
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1954 sigemptyset(&act.sa_mask); // We don't want to block any other signals in this example
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1955 act.sa_flags = SA_NOCLDSTOP; // only want children that have terminated
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1956 if (sigaction(SIGCHLD, &act, NULL) < 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1957 my_syslog("child failed to setup SIGCHLD handler");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1958 exit(0); // failed
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1959 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1960 while (true) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1961 sockaddr_un client;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1962 socklen_t clientlen = sizeof(client);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1963 int s = accept(resolver_socket, (sockaddr *)&client, &clientlen);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1964 if (s > 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1965 // accept worked, it did not get cancelled before we could accept it
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1966 // fork off a process to handle this connection
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1967 int newchild = fork();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1968 if (newchild == 0) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1969 // this is the worker process
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1970 // child does not need the listening socket
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1971 close(resolver_socket);
220 495cfe5caead try to allow mixed -lresolv and libresolv.a for ns_parserr Carl Byington <carl@five-ten-sg.com> parents: 216 diff changeset	1972 #ifdef NS_PACKETSZ
495cfe5caead try to allow mixed -lresolv and libresolv.a for ns_parserr Carl Byington <carl@five-ten-sg.com> parents: 216 diff changeset	1973 res_init();
495cfe5caead try to allow mixed -lresolv and libresolv.a for ns_parserr Carl Byington <carl@five-ten-sg.com> parents: 216 diff changeset	1974 _res.retry = 2;
495cfe5caead try to allow mixed -lresolv and libresolv.a for ns_parserr Carl Byington <carl@five-ten-sg.com> parents: 216 diff changeset	1975 _res.retrans = RES_TIMEOUT;
495cfe5caead try to allow mixed -lresolv and libresolv.a for ns_parserr Carl Byington <carl@five-ten-sg.com> parents: 216 diff changeset	1976 #endif
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1977 process_resolver_requests(s);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1978 exit(0);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1979 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1980 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1981 // this is the parent
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1982 // parent does not need the accepted socket
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1983 close(s);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1984 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1985 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1986 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1987 exit(0); // make sure we don't fall thru.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1988 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1989 else {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1990 sleep(2); // allow child to get started
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1991 }
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	1992
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1993 // only create threads after the fork() in daemon
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1994 pthread_t tid;
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1995 if (pthread_create(&tid, 0, config_loader, 0))
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1996 my_syslog("failed to create config loader thread");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1997 if (pthread_detach(tid))
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	1998 my_syslog("failed to detach config loader thread");
153 8d7c439bb6fa add auto whitelisting carl parents: 152 diff changeset	1999
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2000 if (pthread_create(&tid, 0, verify_closer, 0))
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2001 my_syslog("failed to create verify closer thread");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2002 if (pthread_detach(tid))
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2003 my_syslog("failed to detach verify closer thread");
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	2004
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2005 if (pthread_create(&tid, 0, whitelister_writer, 0))
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2006 my_syslog("failed to create autowhite writer thread");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2007 if (pthread_detach(tid))
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2008 my_syslog("failed to detach autowhite writer thread");
153 8d7c439bb6fa add auto whitelisting carl parents: 152 diff changeset	2009
192 8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2010 time_t starting = time(NULL);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2011 int rc = smfi_main();
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2012 if ((rc != MI_SUCCESS) && (time(NULL) > starting+5*60)) {
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2013 my_syslog("trying to restart after smfi_main()");
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2014 loader_run = false; // eventually the config loader thread will terminate
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2015 execvp(argv[0], argv);
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2016 }
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots carl parents: 191 diff changeset	2017 exit((rc == MI_SUCCESS) ? 0 : EX_UNAVAILABLE);
94 e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	2018 }
e107ade3b1c0 fix dos line terminators carl parents: 92 diff changeset	2019

Mercurial > dnsbl

annotate src/dnsbl.cpp @ 270:f92f24950bd3 stable-6-0-35