int
main (int argc, char *argv[])
{
gint status = MI_SUCCESS;
GError *error = NULL;
GOptionContext *option_context;
unsigned int major, minor, patch_level;
#ifdef HAVE_LOCALE_H
setlocale(LC_ALL, "");
#endif
/*
* workaround for memory profiler for GLib memory
* profiler, we need to call g_mem_set_vtable prior to
* any other GLib functions. smfi_version() calls
* g_mem_set_vtable() internally.
*/
smfi_version(&major, &minor, &patch_level);
option_context = g_option_context_new(NULL);
g_option_context_add_main_entries(option_context, option_entries, NULL);
if (!g_option_context_parse(option_context, &argc, &argv, &error)) {
g_print("%s\n", error->message);
g_error_free(error);
g_option_context_free(option_context);
exit(EXIT_FAILURE);
}
if (verbose)
smfi_setdbg(6);
status = smfi_setconn(spec);
if (status == MI_SUCCESS)
status = smfi_register(smfilter);
if (status == MI_SUCCESS)
return smfi_main() == MI_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE;
return EXIT_FAILURE;
}
int main(int argc, char **argv)
{
char *action = 0;
char *command = 0;
const struct command_map *cp;
int ch;
int code;
const char **cpp;
char *set_macro_state_arg = 0;
char *nosend = 0;
char *noreply = 0;
const struct noproto_map *np;
while ((ch = getopt(argc, argv, "a:A:b:c:C:d:f:h:i:lm:M:n:N:p:rv")) > 0) {
switch (ch) {
case 'a':
action = optarg;
break;
case 'A':
if (rcpt_count >= MAX_RCPT) {
fprintf(stderr, "too many -A options\n");
exit(1);
}
rcpt_addr[rcpt_count++] = optarg;
break;
case 'b':
#ifdef SMFIR_REPLBODY
if (body_file) {
fprintf(stderr, "too many -b options\n");
exit(1);
}
body_file = optarg;
#else
fprintf(stderr, "no libmilter support to replace body\n");
#endif
break;
case 'c':
command = optarg;
break;
case 'd':
if (smfi_setdbg(atoi(optarg)) == MI_FAILURE) {
fprintf(stderr, "smfi_setdbg failed\n");
exit(1);
}
break;
case 'f':
#ifdef SMFIR_CHGFROM
if (chg_from) {
fprintf(stderr, "too many -f options\n");
exit(1);
}
chg_from = optarg;
#else
fprintf(stderr, "no libmilter support to change sender\n");
exit(1);
#endif
break;
case 'h':
#ifdef SMFIR_CHGHEADER
if (chg_hdr) {
fprintf(stderr, "too many -h options\n");
exit(1);
}
parse_hdr_info(optarg, &chg_idx, &chg_hdr, &chg_val);
#else
fprintf(stderr, "no libmilter support to change header\n");
exit(1);
#endif
break;
case 'i':
#ifdef SMFIR_INSHEADER
if (ins_hdr) {
fprintf(stderr, "too many -i options\n");
exit(1);
}
parse_hdr_info(optarg, &ins_idx, &ins_hdr, &ins_val);
#else
fprintf(stderr, "no libmilter support to insert header\n");
exit(1);
#endif
break;
case 'l':
#if SMFI_VERSION > 5
if (ins_hdr || chg_hdr) {
fprintf(stderr, "specify -l before -i or -r\n");
exit(1);
}
misc_mask |= SMFIP_HDR_LEADSPC;
#else
fprintf(stderr, "no libmilter support for leading space\n");
exit(1);
#endif
break;
case 'm':
#if SMFI_VERSION > 5
if (set_macro_state_arg) {
fprintf(stderr, "too many -m options\n");
exit(1);
}
set_macro_state_arg = optarg;
#else
fprintf(stderr, "no libmilter support to specify macro list\n");
exit(1);
#endif
break;
case 'M':
#if SMFI_VERSION > 5
if (set_macro_list) {
fprintf(stderr, "too many -M options\n");
exit(1);
}
set_macro_list = optarg;
#else
fprintf(stderr, "no libmilter support to specify macro list\n");
#endif
break;
case 'n':
#if SMFI_VERSION > 5
if (nosend) {
fprintf(stderr, "too many -n options\n");
exit(1);
}
nosend = optarg;
#else
fprintf(stderr, "no libmilter support for negotiate callback\n");
#endif
break;
case 'N':
#if SMFI_VERSION > 5
if (noreply) {
fprintf(stderr, "too many -n options\n");
exit(1);
}
noreply = optarg;
#else
fprintf(stderr, "no libmilter support for negotiate callback\n");
#endif
break;
case 'p':
if (smfi_setconn(optarg) == MI_FAILURE) {
fprintf(stderr, "smfi_setconn failed\n");
exit(1);
}
break;
case 'r':
#ifdef SMFIP_RCPT_REJ
misc_mask |= SMFIP_RCPT_REJ;
#else
fprintf(stderr, "no libmilter support for rejected recipients\n");
#endif
break;
case 'v':
verbose++;
break;
case 'C':
conn_count = atoi(optarg);
break;
default:
fprintf(stderr,
"usage: %s [-dv] \n"
"\t[-a action] non-default action\n"
"\t[-b body_text] replace body\n",
"\t[-c command] non-default action trigger\n"
"\t[-h 'index label value'] replace header\n"
"\t[-i 'index label value'] insert header\n"
"\t[-m macro_state] non-default macro state\n"
"\t[-M macro_list] non-default macro list\n"
"\t[-n events] don't receive these events\n"
"\t[-N events] don't reply to these events\n"
"\t-p port milter application\n"
"\t-r request rejected recipients\n"
"\t[-C conn_count] when to exit\n",
argv[0]);
exit(1);
}
}
if (command) {
for (cp = command_map; /* see below */ ; cp++) {
if (cp->name == 0) {
fprintf(stderr, "bad -c argument: %s\n", command);
exit(1);
}
if (strcmp(command, cp->name) == 0)
break;
}
}
if (action) {
if (command == 0)
cp = command_map;
if (strcmp(action, "tempfail") == 0) {
cp->reply[0] = SMFIS_TEMPFAIL;
} else if (strcmp(action, "reject") == 0) {
cp->reply[0] = SMFIS_REJECT;
} else if (strcmp(action, "accept") == 0) {
cp->reply[0] = SMFIS_ACCEPT;
} else if (strcmp(action, "discard") == 0) {
cp->reply[0] = SMFIS_DISCARD;
#ifdef SMFIS_SKIP
} else if (strcmp(action, "skip") == 0) {
cp->reply[0] = SMFIS_SKIP;
#endif
} else if ((code = atoi(action)) >= 400
&& code <= 599
&& action[3] == ' ') {
cp->reply[0] = SMFIR_REPLYCODE;
reply_code = action;
reply_dsn = action + 3;
if (*reply_dsn != 0) {
*reply_dsn++ = 0;
reply_dsn += strspn(reply_dsn, " ");
}
if (*reply_dsn == 0) {
reply_dsn = reply_message = 0;
} else {
reply_message = reply_dsn + strcspn(reply_dsn, " ");
if (*reply_message != 0) {
*reply_message++ = 0;
reply_message += strspn(reply_message, " ");
}
if (*reply_message == 0)
reply_message = 0;
}
} else {
fprintf(stderr, "bad -a argument: %s\n", action);
exit(1);
}
if (verbose) {
printf("command %s action %d\n", cp->name, cp->reply[0]);
if (reply_code)
printf("reply code %s dsn %s message %s\n",
reply_code, reply_dsn ? reply_dsn : "(null)",
reply_message ? reply_message : "(null)");
}
}
#if SMFI_VERSION > 5
if (set_macro_state_arg) {
for (cpp = macro_states; /* see below */ ; cpp++) {
if (*cpp == 0) {
fprintf(stderr, "bad -m argument: %s\n", set_macro_state_arg);
exit(1);
}
if (strcmp(set_macro_state_arg, *cpp) == 0)
break;
}
set_macro_state = cpp - macro_states;
}
if (nosend) {
for (np = noproto_map; /* see below */ ; np++) {
if (np->name == 0) {
fprintf(stderr, "bad -n argument: %s\n", nosend);
exit(1);
}
if (strcmp(nosend, np->name) == 0)
break;
}
nosend_mask = np->send_mask;
np->action[0] = 0;
}
if (noreply) {
for (np = noproto_map; /* see below */ ; np++) {
if (np->name == 0) {
fprintf(stderr, "bad -N argument: %s\n", noreply);
exit(1);
}
if (strcmp(noreply, np->name) == 0)
break;
}
noreply_mask = np->reply_mask;
*np->reply = SMFIS_NOREPLY;
}
#endif
if (smfi_register(smfilter) == MI_FAILURE) {
fprintf(stderr, "smfi_register failed\n");
exit(1);
}
return (smfi_main());
}
int main(int argc, char **argv)
{
const char *opts = "b:D:dg:hst:u:H";
#ifdef HAS_LONGOPT
static const struct option lopt[] = {
{"bind", 1, 0, 'b'},
{"dry", 0, 0, 'H'},
{"debug", 1, 0, 'D'},
{"daemonize", 0, 0, 'd'},
{"group", 1, 0, 'g'},
{"help", 0, 0, 'h'},
{"no-stamp", 0, 0, 's'},
{"timeout", 1, 0, 't'},
{"user", 1, 0, 'u'},
{NULL, 0, 0, 0}
};
#endif
int c;
char *p;
char *oconn;
int setconn;
size_t len;
int ret;
uint8_t daemon;
char *usr;
char *grp;
char *pidf = "/var/run/milter/dnsbl-milter.pid";
config.pname = argv[0];
p = strrchr(config.pname, '/');
if (p != NULL)
config.pname = p + 1;
if (argc < 2) {
usage(config.pname);
exit(EX_USAGE);
}
setconn = 0;
oconn = NULL;
config.daemon = 0;
daemon = 0;
usr = grp = NULL;
config.stamp = 1;
while ((c = getopt_long(argc, argv, opts, lopt, NULL)) != -1) {
switch (c) {
case 'b': /* bind address/socket */
if (setconn != 0) {
mlog(LOG_ERR,
"Bind address/socket already provided, ignoring");
break;
}
if ((optarg == NULL) || (*optarg == '\0')) {
mlog(LOG_ERR,
"No bind address/socket provided");
usage(config.pname);
exit(EX_USAGE);
}
if ((strncmp(optarg, "unix:", 5) == 0) ||
(strncmp(optarg, "local:", 6) == 0) ||
(strncmp(optarg, "inet:", 5) == 0) ||
(strncmp(optarg, "inet6:", 6) == 0)) {
oconn = optarg;
setconn = 1;
break;
}
/* "unix:" + optarg + '\0' */
len = 5 + strlen(optarg) + 1;
oconn = malloc(len);
if (oconn == NULL) {
mlog(LOG_ERR, "Memory allocation failed");
exit(EX_UNAVAILABLE);
}
snprintf(oconn, len, "unix:%s", optarg);
setconn = 2;
break;
case 'H':
config.drymode = 1; // Adds a header instead of rejecting
break;
case 'D':
if ((optarg == NULL) || (*optarg == '\0')) {
mlog(LOG_ERR,
"No debugging level provided");
usage(config.pname);
exit(EX_USAGE);
}
smfi_setdbg(atoi(optarg));
break;
case 'd':
daemon = 1;
break;
case 'g':
if ((optarg == NULL) || (*optarg == '\0')) {
mlog(LOG_ERR, "No group provided");
usage(config.pname);
exit(EX_USAGE);
}
grp = optarg;
break;
case 's':
config.stamp = 0;
break;
case 't':
if ((optarg == NULL) || (*optarg == '\0')) {
mlog(LOG_ERR, "No timeout provided");
usage(config.pname);
exit(EX_USAGE);
}
smfi_settimeout(atoi(optarg));
break;
case 'u':
if ((optarg == NULL) || (*optarg == '\0')) {
mlog(LOG_ERR, "No user provided");
usage(config.pname);
exit(EX_USAGE);
}
usr = optarg;
break;
case 'h': /* help */
default:
usage(config.pname);
exit(EX_USAGE);
}
}
if (setconn == 0) {
mlog(LOG_ERR, "%s: Missing required bind address/socket\n",
config.pname);
usage(config.pname);
exit(EX_USAGE);
}
umask(0137);
if ((oconn == NULL) || (smfi_setconn(oconn) == MI_FAILURE)) {
mlog(LOG_ERR, "smfi_setconn() failed");
exit(EX_UNAVAILABLE);
}
if (smfi_register(smfilter) == MI_FAILURE) {
mlog(LOG_ERR, "smfi_register() failed");
exit(EX_UNAVAILABLE);
}
/* List of blacklists to use */
list_add(&blacklist, "bl.spamcop.net",
"Listed on SpamCop. See http://spamcop.net/w3m?action=checkblock&ip=");
list_add(&blacklist, "b.barracudacentral.org",
"Listed on Barracuda Reputation Block List (BRBL). See http://www.barracudacentral.org/lookups?ip_address=");
list_add(&blacklist, "zen.spamhaus.org",
"Listed on The Spamhaus Project. See http://www.spamhaus.org/query/bl?ip=");
list_add(&blacklist, "psbl.surriel.com",
"Listed on The Passive Spam Block List. See http://psbl.surriel.com/listing?ip=");
/* List of whitelists to use */
list_add(&whitelist, "list.dnswl.org", "http://www.dnswl.org");
if ((usr != NULL) || (grp != NULL))
if (drop_privs(usr, grp) != 0)
exit(EX_TEMPFAIL);
if (daemon != 0)
daemonize();
/* write pid file */
pidf_create(pidf);
mlog(LOG_INFO, "Starting Sendmail %s filter '%s'",
smfilter.xxfi_name, config.pname);
ret = smfi_main();
/* remove pid file */
pidf_destroy(pidf);
if (ret == MI_SUCCESS) {
mlog(LOG_INFO, "Stopping Sendmail %s filter '%s'",
smfilter.xxfi_name, config.pname);
} else {
mlog(LOG_ERR,
"Abnormal termination of Sendmail %s filter '%s': %d",
smfilter.xxfi_name, config.pname, ret);
}
list_free(&blacklist);
list_free(&whitelist);
if (setconn == 2) {
free(oconn);
oconn = NULL;
}
if (daemon != 0)
closelog();
return ret;
}
