* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2012 */
/* See the file NOTICE for conditions of use and distribution. */
+/*************************************************
+* Enums for cmdline interface *
+*************************************************/
+
+enum commandline_info { CMDINFO_NONE=0,
+ CMDINFO_HELP, CMDINFO_SIEVE };
+
+
+
+
/*************************************************
* Compile regular expression and panic on fail *
*************************************************/
static void
show_whats_supported(FILE *f)
{
+ auth_info *authi;
+
#ifdef DB_VERSION_STRING
fprintf(f, "Berkeley DB: %s\n", DB_VERSION_STRING);
#elif defined(BTREEVERSION) && defined(HASHVERSION)
fprintf(f, " cdb");
#endif
#if defined(LOOKUP_DBM) && LOOKUP_DBM!=2
- fprintf(f, " dbm dbmnz");
+ fprintf(f, " dbm dbmjz dbmnz");
#endif
#if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2
fprintf(f, " dnsdb");
#ifdef AUTH_DOVECOT
fprintf(f, " dovecot");
#endif
+#ifdef AUTH_GSASL
+ fprintf(f, " gsasl");
+#endif
+#ifdef AUTH_HEIMDAL_GSSAPI
+ fprintf(f, " heimdal_gssapi");
+#endif
#ifdef AUTH_PLAINTEXT
fprintf(f, " plaintext");
#endif
tls_version_report(f);
#endif
-#ifdef AUTH_CYRUS_SASL
- auth_cyrus_sasl_version_report(f);
-#endif
+ for (authi = auths_available; *authi->driver_name != '\0'; ++authi) {
+ if (authi->version_report) {
+ (*authi->version_report)(f);
+ }
+ }
+ /* PCRE_PRERELEASE is either defined and empty or a bare sequence of
+ characters; unless it's an ancient version of PCRE in which case it
+ is not defined. */
+#ifndef PCRE_PRERELEASE
+#define PCRE_PRERELEASE
+#endif
+#define QUOTE(X) #X
+#define EXPAND_AND_QUOTE(X) QUOTE(X)
fprintf(f, "Library version: PCRE: Compile: %d.%d%s\n"
" Runtime: %s\n",
PCRE_MAJOR, PCRE_MINOR,
- /* PRE_PRERELEASE is either defined and empty or a string.
- * unless its an ancient version of PCRE in which case it
- * is not defined */
-#ifdef PCRE_PRERELEASE
-# define STRINGIFY(x) #x
- STRINGIFY(PCRE_PRERELEASE) "",
-# undef STRINGIFY
-#else
- "",
-#endif
+ EXPAND_AND_QUOTE(PCRE_PRERELEASE) "",
pcre_version());
+#undef QUOTE
+#undef EXPAND_AND_QUOTE
init_lookup_list();
for (i = 0; i < lookup_list_count; i++)
}
+/*************************************************
+* Show auxiliary information about Exim *
+*************************************************/
+
+static void
+show_exim_information(enum commandline_info request, FILE *stream)
+{
+const uschar **pp;
+
+switch(request)
+ {
+ case CMDINFO_NONE:
+ fprintf(stream, "Oops, something went wrong.\n");
+ return;
+ case CMDINFO_HELP:
+ fprintf(stream,
+"The -bI: flag takes a string indicating which information to provide.\n"
+"If the string is not recognised, you'll get this help (on stderr).\n"
+"\n"
+" exim -bI:help this information\n"
+" exim -bI:sieve list of supported sieve extensions, one per line.\n"
+);
+ return;
+ case CMDINFO_SIEVE:
+ for (pp = exim_sieve_extension_list; *pp; ++pp)
+ fprintf(stream, "%s\n", *pp);
+ return;
+
+ }
+}
/*************************************************
int passed_qr_pipe = -1;
gid_t group_list[NGROUPS_MAX];
+/* For the -bI: flag */
+enum commandline_info info_flag = CMDINFO_NONE;
+BOOL info_stdout = FALSE;
+
/* Possible options for -R and -S */
static uschar *rsopts[] = { US"f", US"ff", US"r", US"rf", US"rff" };
else if (Ustrcmp(argrest, "i") == 0) bi_option = TRUE;
+ /* -bI: provide information, of the type to follow after a colon.
+ This is an Exim flag. */
+
+ else if (argrest[0] == 'I' && Ustrlen(argrest) >= 2 && argrest[1] == ':')
+ {
+ uschar *p = &argrest[2];
+ info_flag = CMDINFO_HELP;
+ if (Ustrlen(p))
+ {
+ if (strcmpic(p, CUS"sieve") == 0)
+ {
+ info_flag = CMDINFO_SIEVE;
+ info_stdout = TRUE;
+ }
+ else if (strcmpic(p, CUS"help") == 0)
+ {
+ info_stdout = TRUE;
+ }
+ }
+ }
+
/* -bm: Accept and deliver message - the default option. Reinstate
receiving_message, which got turned off for all -b options. */
show_whats_supported(stdout);
}
+ /* -bw: inetd wait mode, accept a listening socket as stdin */
+
+ else if (*argrest == 'w')
+ {
+ inetd_wait_mode = TRUE;
+ background_daemon = FALSE;
+ daemon_listen = TRUE;
+ if (*(++argrest) != '\0')
+ {
+ inetd_wait_timeout = readconf_readtime(argrest, 0, FALSE);
+ if (inetd_wait_timeout <= 0)
+ {
+ fprintf(stderr, "exim: bad time value %s: abandoned\n", argv[i]);
+ exit(EXIT_FAILURE);
+ }
+ }
+ }
+
else badarg = TRUE;
break;
daemon_listen && queue_interval == 0
) ||
(
+ inetd_wait_mode && queue_interval >= 0
+ ) ||
+ (
list_options &&
(checking || smtp_input || extract_recipients ||
filter_test != FTEST_NONE || bi_option)
}
}
+/* Initialise lookup_list
+If debugging, already called above via version reporting.
+In either case, we initialise the list of available lookups while running
+as root. All dynamically modules are loaded from a directory which is
+hard-coded into the binary and is code which, if not a module, would be
+part of Exim already. Ability to modify the content of the directory
+is equivalent to the ability to modify a setuid binary!
+
+This needs to happen before we read the main configuration. */
+init_lookup_list();
+
/* Read the main runtime configuration data; this gives up if there
is a failure. It leaves the configuration file open so that the subsequent
configuration data for delivery can be read if needed. */
}
#endif /* EXIM_PERL */
-/* Initialise lookup_list
-If debugging, already called above via version reporting.
-This does mean that debugging causes the list to be initialised while root.
-This *should* be harmless -- all modules are loaded from a fixed dir and
-it's code that would, if not a module, be part of Exim already. */
-init_lookup_list();
-
/* Log the arguments of the call if the configuration file said so. This is
a debugging feature for finding out what arguments certain MUAs actually use.
Don't attempt it if logging is disabled, or if listing variables or if
for incoming messages via the daemon. The daemon cannot be run in mua_wrapper
mode. */
-if (daemon_listen || queue_interval > 0)
+if (daemon_listen || inetd_wait_mode || queue_interval > 0)
{
if (mua_wrapper)
{
/* Arrange for message reception if recipients or SMTP were specified;
otherwise complain unless a version print (-bV) happened or this is a filter
-verification test. In the former case, show the configuration file name. */
+verification test or info dump.
+In the former case, show the configuration file name. */
if (recipients_arg >= argc && !extract_recipients && !smtp_input)
{
return EXIT_SUCCESS;
}
+ if (info_flag != CMDINFO_NONE)
+ {
+ show_exim_information(info_flag, info_stdout ? stdout : stderr);
+ return info_stdout ? EXIT_SUCCESS : EXIT_FAILURE;
+ }
+
if (filter_test == FTEST_NONE)
exim_usage(called_as);
}