Change originator_xxx fields in the daemon when it gives up root so that

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

diff --git a/src/src/daemon.c b/src/src/daemon.c
index 15b5ab2da1a8825edfa90e1723bcc6c302b06c27..e844403a440e0b53e842a0507c1f59646d98a48a 100644 (file)
--- a/src/src/daemon.c
+++ b/src/src/daemon.c
@@ -1,10 +1,10 @@
-/* $Cambridge: exim/src/src/daemon.c,v 1.18 2006/11/07 15:56:17 ph10 Exp $ */
+/* $Cambridge: exim/src/src/daemon.c,v 1.23 2007/03/14 12:15:56 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2006 */
+/* Copyright (c) University of Cambridge 1995 - 2007 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions concerned with running Exim as a daemon */
@@ -369,6 +369,8 @@ if (pid == 0)
   struct sigaction act;
   #endif
 
+  smtp_accept_count++;    /* So that it includes this process */
+
   /* May have been modified for the subprocess */
 
   log_write_selector = use_log_write_selector;
@@ -459,7 +461,7 @@ if (pid == 0)
   configured value and may therefore already be TRUE. Leave logging
   till later so it will have a message id attached. */
 
-  if (smtp_accept_queue > 0 && smtp_accept_count >= smtp_accept_queue)
+  if (smtp_accept_queue > 0 && smtp_accept_count > smtp_accept_queue)
     {
     local_queue_only = TRUE;
     queue_only_reason = 1;
@@ -468,7 +470,12 @@ if (pid == 0)
   /* Handle the start of the SMTP session, then loop, accepting incoming
   messages from the SMTP connection. The end will come at the QUIT command,
   when smtp_setup_msg() returns 0. A break in the connection causes the
-  process to die (see accept.c). */
+  process to die (see accept.c).
+
+  NOTE: We do *not* call smtp_log_no_mail() if smtp_start_session() fails,
+  because a log line has already been written for all its failure exists
+  (usually "connection refused: <reason>") and writing another one is
+  unnecessary clutter. */
 
   if (!smtp_start_session())
     {
@@ -500,6 +507,7 @@ if (pid == 0)
       if (!ok)                            /* Connection was dropped */
         {
         mac_smtp_fflush();
+        smtp_log_no_mail();               /* Log no mail if configured */
         _exit(EXIT_SUCCESS);
         }
       if (message_id[0] == 0) continue;   /* No message was accepted */
@@ -508,6 +516,7 @@ if (pid == 0)
       {
       mac_smtp_fflush();
       search_tidyup();
+      smtp_log_no_mail();                 /* Log no mail if configured */
       _exit((rc == 0)? EXIT_SUCCESS : EXIT_FAILURE);
       }
 
@@ -872,6 +881,7 @@ There are no arguments to this function, and it never returns. */
 void
 daemon_go(void)
 {
+struct passwd *pw;
 int *listen_sockets = NULL;
 int listen_socket_count = 0;
 ip_address_item *addresses = NULL;
@@ -1444,6 +1454,14 @@ cannot do this. */
 
 exim_setugid(exim_uid, exim_gid, geteuid()==root_uid, US"running as a daemon");
 
+/* Update the originator_xxx fields so that received messages as listed as
+coming from Exim, not whoever started the daemon. */
+
+originator_uid = exim_uid;
+originator_gid = exim_gid;
+originator_login = ((pw = getpwuid(exim_uid)) != NULL)?
+  string_copy_malloc(US pw->pw_name) : US"exim";
+
 /* Get somewhere to keep the list of queue-runner pids if we are keeping track
 of them (and also if we are doing queue runs). */