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comparison src/dnsbl.cpp @ 9:8c65411cd7ab

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integration work on url scanner
author carl
date Thu, 22 Apr 2004 14:00:02 -0700
parents dbe18921f741
children 2c206836b4cc
comparison
equal deleted inserted replaced
8:dbe18921f741 9:8c65411cd7ab
7 Based on a sample milter Copyright (c) 2000-2003 Sendmail, Inc. and its 7 Based on a sample milter Copyright (c) 2000-2003 Sendmail, Inc. and its
8 suppliers. Inspired by the DCC by Rhyolite Software 8 suppliers. Inspired by the DCC by Rhyolite Software
9 9
10 -p port The port through which the MTA will connect to this milter. 10 -p port The port through which the MTA will connect to this milter.
11 -t sec The timeout value. 11 -t sec The timeout value.
12 -c Check the config, and print a copy to stderr. Don't start the 12 -c Check the config, and print a copy to stdout. Don't start the
13 milter or do anything with the socket. 13 milter or do anything with the socket.
14 14
15 */ 15 */
16 16
17 17
18 // from sendmail sample 18 // from sendmail sample
19 #include <sys/types.h> 19 #include <sys/types.h>
20 #include <sys/stat.h> 20 #include <sys/stat.h>
21 #include <errno.h> 21 #include <errno.h>
22 //#include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <sysexits.h> 22 #include <sysexits.h>
26 #include <unistd.h> 23 #include <unistd.h>
27 24
28 // needed for socket io 25 // needed for socket io
29 #include <sys/ioctl.h> 26 #include <sys/ioctl.h>
114 dnsbllp_map dnsblls; 111 dnsbllp_map dnsblls;
115 from_map env_from; 112 from_map env_from;
116 string_map env_to_dnsbll; // map recipient to a named dnsbll 113 string_map env_to_dnsbll; // map recipient to a named dnsbll
117 string_map env_to_chkfrom; // map recipient to a named from map 114 string_map env_to_chkfrom; // map recipient to a named from map
118 char * content_suffix; // for sbl url body filtering 115 char * content_suffix; // for sbl url body filtering
119 char * content_message; 116 char * content_message; // ""
120 CONFIG(); 117 CONFIG();
121 ~CONFIG(); 118 ~CONFIG();
122 }; 119 };
123 CONFIG::CONFIG() { 120 CONFIG::CONFIG() {
124 reference_count = 0; 121 reference_count = 0;
155 152
156 153
157 //////////////////////////////////////////////// 154 ////////////////////////////////////////////////
158 // helper to discard the strings held by a string_set 155 // helper to discard the strings held by a string_set
159 // 156 //
160 static void discard(string_set s); 157 static void discard(string_set &s);
161 static void discard(string_set s) { 158 static void discard(string_set &s) {
162 for (string_set::iterator i=s.begin(); i!=s.end(); i++) { 159 for (string_set::iterator i=s.begin(); i!=s.end(); i++) {
163 free(*i); 160 free(*i);
164 } 161 }
162 s.clear();
165 } 163 }
166 164
167 165
168 //////////////////////////////////////////////// 166 ////////////////////////////////////////////////
169 // mail filter private data, held for us by sendmail 167 // mail filter private data, held for us by sendmail
432 CONFIG &dc = *priv.pc; 430 CONFIG &dc = *priv.pc;
433 if (!dc.content_suffix) return oksofar; 431 if (!dc.content_suffix) return oksofar;
434 int count = 0; 432 int count = 0;
435 for (string_set::iterator i=priv.urls.begin(); i!=priv.urls.end(); i++) { 433 for (string_set::iterator i=priv.urls.begin(); i!=priv.urls.end(); i++) {
436 count++; 434 count++;
437 if (count > 20) break; // silly to check too many urls 435 if (count > 20) return oksofar; // silly to check too many urls
438 url = *i; 436 url = *i;
439 char buf[200]; 437 char buf[200];
440 snprintf(buf, sizeof(buf), "looking for url %s", url); 438 snprintf(buf, sizeof(buf), "looking for url %s", url);
441 my_syslog(buf); 439 my_syslog(buf);
442 ip = protected_dns_interface(url); 440 ip = protected_dns_interface(url);
443 if (ip) { 441 if (ip) {
444 status st = check_single(ip, dc.content_suffix); 442 status st = check_single(ip, dc.content_suffix);
445 if (st == reject) return st; 443 if (st == reject) return st;
446 } 444 }
447 } 445 }
446 return oksofar;
448 } 447 }
449 448
450 449
451 //////////////////////////////////////////////// 450 ////////////////////////////////////////////////
452 // start of sendmail milter interfaces 451 // start of sendmail milter interfaces
614 }; 613 };
615 614
616 615
617 static void dumpit(char *name, string_map map); 616 static void dumpit(char *name, string_map map);
618 static void dumpit(char *name, string_map map) { 617 static void dumpit(char *name, string_map map) {
619 fprintf(stderr, "\n"); 618 fprintf(stdout, "\n");
620 for (string_map::iterator i=map.begin(); i!=map.end(); i++) { 619 for (string_map::iterator i=map.begin(); i!=map.end(); i++) {
621 fprintf(stderr, "%s %s->%s\n", name, (*i).first, (*i).second); 620 fprintf(stdout, "%s %s->%s\n", name, (*i).first, (*i).second);
622 } 621 }
623 } 622 }
624 623
625 624
626 static void dumpit(from_map map); 625 static void dumpit(from_map map);
637 static void dumpit(CONFIG &dc); 636 static void dumpit(CONFIG &dc);
638 static void dumpit(CONFIG &dc) { 637 static void dumpit(CONFIG &dc) {
639 dumpit(dc.env_from); 638 dumpit(dc.env_from);
640 dumpit("envelope to (dnsbl list)", dc.env_to_dnsbll); 639 dumpit("envelope to (dnsbl list)", dc.env_to_dnsbll);
641 dumpit("envelope to (from map)", dc.env_to_chkfrom); 640 dumpit("envelope to (from map)", dc.env_to_chkfrom);
642 fprintf(stderr, "\ndnsbls\n"); 641 fprintf(stdout, "\ndnsbls\n");
643 for (dnsblp_map::iterator i=dc.dnsbls.begin(); i!=dc.dnsbls.end(); i++) { 642 for (dnsblp_map::iterator i=dc.dnsbls.begin(); i!=dc.dnsbls.end(); i++) {
644 fprintf(stderr, "%s %s %s\n", (*i).first, (*i).second->suffix, (*i).second->message); 643 fprintf(stdout, "%s %s %s\n", (*i).first, (*i).second->suffix, (*i).second->message);
645 } 644 }
646 fprintf(stderr, "\ndnsbl_lists\n"); 645 fprintf(stdout, "\ndnsbl_lists\n");
647 for (dnsbllp_map::iterator i=dc.dnsblls.begin(); i!=dc.dnsblls.end(); i++) { 646 for (dnsbllp_map::iterator i=dc.dnsblls.begin(); i!=dc.dnsblls.end(); i++) {
648 char *name = (*i).first; 647 char *name = (*i).first;
649 DNSBLL &dl = *((*i).second); 648 DNSBLL &dl = *((*i).second);
650 fprintf(stderr, "%s", name); 649 fprintf(stdout, "%s", name);
651 for (DNSBLL::iterator j=dl.begin(); j!=dl.end(); j++) { 650 for (DNSBLL::iterator j=dl.begin(); j!=dl.end(); j++) {
652 DNSBL &d = **j; 651 DNSBL &d = **j;
653 fprintf(stderr, " %s", d.suffix); 652 fprintf(stdout, " %s", d.suffix);
654 } 653 }
655 fprintf(stderr, "\n"); 654 fprintf(stdout, "\n");
656 } 655 }
657 fprintf(stderr, "\nfiles\n"); 656 if (dc.content_suffix) {
657 fprintf(stdout, "\ncontent filtering enabled with %s %s\n", dc.content_suffix, dc.content_message);
658 }
659 fprintf(stdout, "\nfiles\n");
658 for (string_list::iterator i=dc.config_files.begin(); i!=dc.config_files.end(); i++) { 660 for (string_list::iterator i=dc.config_files.begin(); i!=dc.config_files.end(); i++) {
659 char *f = *i; 661 char *f = *i;
660 fprintf(stderr, "config includes %s\n", f); 662 fprintf(stdout, "config includes %s\n", f);
661 } 663 }
662 } 664 }
663 665
664 666
665 //////////////////////////////////////////////// 667 ////////////////////////////////////////////////
964 966
965 967
966 static void usage(char *prog); 968 static void usage(char *prog);
967 static void usage(char *prog) 969 static void usage(char *prog)
968 { 970 {
969 fprintf(stderr, "Usage: %s -p socket-addr [-t timeout]\n", prog); 971 fprintf(stderr, "Usage: %s [-c] -p socket-addr [-t timeout]\n", prog);
970 fprintf(stderr, "where socket-addr is for the connection to sendmail and should be one of\n"); 972 fprintf(stderr, "where socket-addr is for the connection to sendmail and should be one of\n");
971 fprintf(stderr, " inet:port@local-ip-address\n"); 973 fprintf(stderr, " inet:port@local-ip-address\n");
972 fprintf(stderr, " local:local-domain-socket-file-name\n"); 974 fprintf(stderr, " local:local-domain-socket-file-name\n");
975 fprintf(stderr, "-c will load and dump the config to stdout\n");
973 } 976 }
974 977
975 978
976 int main(int argc, char**argv) 979 int main(int argc, char**argv)
977 { 980 {