inetd wait mode support with -bw

[exim.git] / src / src / exim.c

diff --git a/src/src/exim.c b/src/src/exim.c
index 4a690a78396187720f78ca1e6c31c57d99f20ff7..b53d6ca9b98afb2c61f3639fd8ed9417f41ea361 100644 (file)
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -816,7 +816,7 @@ fprintf(f, "Lookups (built-in):");
   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");
@@ -2060,6 +2060,24 @@ for (i = 1; i < argc; i++)
       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;
 
@@ -3222,6 +3240,9 @@ if ((
     daemon_listen && queue_interval == 0
     ) ||
     (
+    inetd_wait_mode && queue_interval >= 0
+    ) ||
+    (
     list_options &&
     (checking || smtp_input || extract_recipients ||
       filter_test != FTEST_NONE || bi_option)
@@ -3456,6 +3477,17 @@ if ((filter_test & FTEST_USER) != 0)
     }
   }
 
+/* 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. */
@@ -3644,13 +3676,6 @@ if (opt_perl_at_start && opt_perl_startup != NULL)
   }
 #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
@@ -4402,7 +4427,7 @@ returns. We leave this till here so that the originator_ fields are available
 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)
     {