From: Pierre Habouzit Date: Wed, 2 Sep 2009 23:57:52 +0000 (+0200) Subject: pfix-srsd: add a -I option X-Git-Url: http://git.madism.org/?a=commitdiff_plain;h=HEAD;p=apps%2Fpfixtools.git pfix-srsd: add a -I option When in decoding mode, it tells the daemon to not reverse domains not equal to the domain the daemon serves. Signed-off-by: Pierre Habouzit --- diff --git a/pfix-srsd/main-srsd.c b/pfix-srsd/main-srsd.c index 917aa38..0c656f8 100644 --- a/pfix-srsd/main-srsd.c +++ b/pfix-srsd/main-srsd.c @@ -57,6 +57,8 @@ DECLARE_MAIN typedef struct srs_config_t { srs_t* srs; const char* domain; + int domainlen; + int ignore_ext; } srs_config_t; @@ -75,7 +77,7 @@ static void *srsd_starter(listener_t *server) /* Processing {{{1 */ -void urldecode(char *s, char *end) +char *urldecode(char *s, char *end) { char *p = s; @@ -92,7 +94,8 @@ void urldecode(char *s, char *end) *s++ = *p++; } - *s++ = '\0'; + *s = '\0'; + return s; } int process_srs(client_t *srsd, void* vconfig) @@ -136,9 +139,21 @@ int process_srs(client_t *srsd, void* vconfig) goto skip; } - urldecode(p, q); + q = urldecode(p, q); if (decoder) { + if (config->ignore_ext) { + int dlen = config->domainlen; + + if (q - p <= dlen || q[-1 - dlen] != '@' || + memcmp(q - dlen, config->domain, dlen)) + { + buffer_addstr(obuf, "200 "); + buffer_add(obuf, p, q - p); + buffer_addch(obuf, '\n'); + goto skip; + } + } err = srs_reverse(config->srs, buf, ssizeof(buf), p); } else { err = srs_forward(config->srs, buf, ssizeof(buf), p, config->domain); @@ -260,6 +275,7 @@ void usage(void) " (default: "STR(DEFAULT_DECODER_PORT)")\n" " -p file to write our pid to\n" " -u unsafe mode: don't drop privilegies\n" + " -I do not touch mails outside of \"domain\" in decoding mode\n" " -f stay in foreground\n" , stderr); } @@ -275,7 +291,7 @@ int main(int argc, char *argv[]) int port_dec = DEFAULT_DECODER_PORT; const char *pidfile = NULL; - for (int c = 0; (c = getopt(argc, argv, "hfu" "e:d:p:")) >= 0; ) { + for (int c = 0; (c = getopt(argc, argv, "hfuI" "e:d:p:")) >= 0; ) { switch (c) { case 'e': port_enc = atoi(optarg); @@ -292,6 +308,9 @@ int main(int argc, char *argv[]) case 'u': unsafe = true; break; + case 'I': + config.ignore_ext = true; + break; default: usage(); return EXIT_FAILURE; @@ -310,6 +329,7 @@ int main(int argc, char *argv[]) info("%s v%s...", DAEMON_NAME, DAEMON_VERSION); config.domain = argv[optind]; + config.domainlen = strlen(config.domain); config.srs = srs_read_secrets(argv[optind + 1]); if (!config.srs || common_setup(pidfile, unsafe, RUNAS_USER, RUNAS_GROUP,