Mercurial > dnsbl

annotate src/dnsbl.h @ 283:7438f79afeb0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added tag stable-6-0-38 for changeset e276180647ab
author Carl Byington <carl@five-ten-sg.com>
date Tue, 24 Dec 2013 08:22:01 -0800
parents f941563c2a95
children 802e2b779ed1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
143
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 136
diff changeset
1 /*
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 136
diff changeset
2
152
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 143
diff changeset
3 Copyright (c) 2007 Carl Byington - 510 Software Group, released under
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 143
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: 143
diff changeset
5 http://www.gnu.org/licenses/gpl-3.0.txt
143
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 136
diff changeset
6
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 136
diff changeset
7 */
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 136
diff changeset
8
119
d9d2f8699621 uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 86
diff changeset
9 #ifndef dnsbl_include
d9d2f8699621 uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 86
diff changeset
10 #define dnsbl_include
74
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
11
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
12 #include "context.h"
163
97d7da45fe2a spamassassin changes
carl
parents: 152
diff changeset
13 #include "spamass.h"
178
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
14 #include "dccifd.h"
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
15 #include <stdint.h>
74
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
16
86
c1280cd3e248 add multiple debug syslog levels, remove duplicate dnsbl definitions
carl
parents: 76
diff changeset
17 extern int debug_syslog;
180
7a722f482bfb embedded dcc filtering
carl
parents: 178
diff changeset
18 #define dccbulk 1000
74
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
19
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
20 class recorder;
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
21 class url_scanner;
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
22
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
23 ////////////////////////////////////////////////
119
d9d2f8699621 uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 86
diff changeset
24 // mail filter private data, held for us by sendmail
74
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
25 //
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
26 struct mlfiPriv
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
27 {
187
f0eda59e8afd fix null pointer dereference from missing HELO command
carl
parents: 180
diff changeset
28 // callback specific data
f0eda59e8afd fix null pointer dereference from missing HELO command
carl
parents: 180
diff changeset
29 SMFICTX *ctx; // updated everytime we fetch this priv pointer from the ctx
190
004b855c6c1f fix null pointer dereference from missing HELO command
carl
parents: 187
diff changeset
30 bool eom; // are we in eom function, so progress function can be called?
214
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
31 // connection specific data
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
32 CONFIG *pc; // global filtering configuration
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
33 int fd; // to talk to dns resolver process
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
34 bool err; // did we get any errors on the resolver socket?
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
35 uint32_t ip; // ip4 address of the smtp client in network order
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: 230
diff changeset
36 const char *helo; // helo from client
249
15bf4f68a0b2 Add dnswl support
Carl Byington <carl@five-ten-sg.com>
parents: 242
diff changeset
37 map<DNSBLP, bool> checked_black; // map of dnsblp to result of (ip listed on that dnsbl)
15bf4f68a0b2 Add dnswl support
Carl Byington <carl@five-ten-sg.com>
parents: 242
diff changeset
38 map<DNSWLP, bool> checked_white; // map of dnswlp to result of (ip listed on that dnswl)
214
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
39 // message specific data
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
40 const char *mailaddr; // envelope from value
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
41 const char *queueid; // sendmail queue id
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
42 const char *authenticated; // client authenticated? if so, suppress all dnsbl checks, but check rate limits
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: 252
diff changeset
43 const char *client_name; // fully qualified host name of the smtp client xxx [ip.ad.dr.es] (may be forged)
d11b529ce9c5 Fix uribl lookups on client dns name, need to strip the ip address in brackets
Carl Byington <carl@five-ten-sg.com>
parents: 252
diff changeset
44 char *client_dns_name; // fully qualified host name of the smtp client xxx
268
f941563c2a95 Add require_rdns checking
Carl Byington <carl@five-ten-sg.com>
parents: 257
diff changeset
45 bool client_dns_forged; // rdns mismatch
238
7b818a4e21a4 produce correct uribl message
Carl Byington <carl@five-ten-sg.com>
parents: 236
diff changeset
46 const char *host_uribl; // pointer to helo/client/from host name if found on uribl
7b818a4e21a4 produce correct uribl message
Carl Byington <carl@five-ten-sg.com>
parents: 236
diff changeset
47 string_set hosts_uribl; // string set to hold the helo/client/from host name if found on 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: 230
diff changeset
48 bool helo_uribl; // helo value on uribl
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: 230
diff changeset
49 bool client_uribl; // client_name on uribl
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: 230
diff changeset
50 bool from_uribl; // envelope from value on uribl
214
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
51 bool have_whites; // have at least one whitelisted recipient? need to accept content and remove all non-whitelisted recipients if it fails
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
52 bool only_whites; // every recipient is whitelisted?
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
53 bool want_spamassassin; // at least one non-whitelisted recipient has a non zero spamassassin limit
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
54 bool want_dccgrey; // at least one non-whitelisted recipient wants dcc greylisting
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
55 bool want_dccbulk; // at least one non-whitelisted recipient wants dcc bulk filtering
230
ad38575e98ca Prevent auto whitelisting due to outgoing multipart/report delivery notifications.
Carl Byington <carl@five-ten-sg.com>
parents: 214
diff changeset
56 bool allow_autowhitelisting; // precedence:bulk or content-type:multipart/report headers prevent autowhitelisting
192
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots
carl
parents: 190
diff changeset
57 delay_whitelist delayer; // to remember autowhitelisting until we see headers
214
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
58 CONTEXT *content_context; // first non-whitelisted recipient with a content filtering context
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
59 context_map env_to; // map each non-whitelisted recipient to their filtering context
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
60 recorder *memory; // memory for the content scanner
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
61 url_scanner *scanner; // object to handle body scanning
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
62 const char *content_suffix; // for url body filtering based on ip addresses of hostnames in the body
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
63 const char *content_message; // ""
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
64 const char *uribl_suffix; // for uribl body filtering based on hostnames in the body
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
65 const char *uribl_message; // ""
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
66 string_set *content_host_ignore; // ""
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
67 SpamAssassin *assassin;
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
68 DccInterface *dccifd;
76
81f1e400e8ab start coding on new config syntax
carl
parents: 74
diff changeset
69
74
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
70
214
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
71 mlfiPriv();
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
72 ~mlfiPriv();
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
73 void reset(bool final = false); // for a new message
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
74 void get_fd();
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
75 void return_fd();
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
76 size_t my_read(char *buf, size_t len);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
77 size_t my_write(const char *buf, size_t len);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
78 void need_content_filter(const char *rcpt, CONTEXT &con);
74
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
79 };
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
80
214
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
81 void my_syslog(mlfiPriv *priv, const char *text);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
82 void my_syslog(mlfiPriv *priv, const string text);
82886d4dd71f Fixes to compile on Fedora 9 and for const correctness.
Carl Byington <carl@five-ten-sg.com>
parents: 192
diff changeset
83 void my_syslog(const char *text);
74
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
84
b7449114ebb0 start coding on new config syntax
carl
parents:
diff changeset
85 #endif