Added log selector +smtp_no_mail to log when no MAIL is issued (for

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

diff --git a/src/src/daemon.c b/src/src/daemon.c
index 55e14776fe508be16d062ae6b7b028bf9839981b..81c32020e7ba4debe136c730e45deb38503e31f9 100644 (file)
--- a/src/src/daemon.c
+++ b/src/src/daemon.c
@@ -1,10 +1,10 @@
-/* $Cambridge: exim/src/src/daemon.c,v 1.13 2005/06/27 14:29:43 ph10 Exp $ */
+/* $Cambridge: exim/src/src/daemon.c,v 1.20 2007/01/15 15:59:22 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* 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 */
@@ -186,13 +186,14 @@ if (smtp_in == NULL)
   goto ERROR_RETURN;
   }
 
-/* Get the data for the local interface address. */
+/* Get the data for the local interface address. Panic for most errors, but
+"connection reset by peer" just means the connection went away. */
 
 if (getsockname(accept_socket, (struct sockaddr *)(&interface_sockaddr),
      &ifsize) < 0)
   {
-  log_write(0, LOG_MAIN|LOG_PANIC, "getsockname() failed: %s",
-    strerror(errno));
+  log_write(0, LOG_MAIN | ((errno == ECONNRESET)? 0 : LOG_PANIC),
+    "getsockname() failed: %s", strerror(errno));
   smtp_printf("421 Local problem: getsockname() failed; please try again later\r\n");
   goto ERROR_RETURN;
   }
@@ -499,6 +500,7 @@ 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 */
@@ -507,6 +509,7 @@ if (pid == 0)
       {
       mac_smtp_fflush();
       search_tidyup();
+      smtp_log_no_mail();                 /* Log no mail if configured */
       _exit((rc == 0)? EXIT_SUCCESS : EXIT_FAILURE);
       }
 
@@ -680,13 +683,14 @@ ERROR_RETURN:
 /* Close the streams associated with the socket which will also close the
 socket fds in this process. We can't do anything if fclose() fails, but
 logging brings it to someone's attention. However, "connection reset by peer"
-isn't really a problem, so skip that one. If the streams don't exist, something
-went wrong while setting things up. Make sure the socket descriptors are
-closed, in order to drop the connection. */
+isn't really a problem, so skip that one. On Solaris, a dropped connection can
+manifest itself as a broken pipe, so drop that one too. If the streams don't
+exist, something went wrong while setting things up. Make sure the socket
+descriptors are closed, in order to drop the connection. */
 
 if (smtp_out != NULL)
   {
-  if (fclose(smtp_out) != 0 && errno != ECONNRESET)
+  if (fclose(smtp_out) != 0 && errno != ECONNRESET && errno != EPIPE)
     log_write(0, LOG_MAIN|LOG_PANIC, "daemon: fclose(smtp_out) failed: %s",
       strerror(errno));
   smtp_out = NULL;
@@ -695,7 +699,7 @@ else (void)close(accept_socket);
 
 if (smtp_in != NULL)
   {
-  if (fclose(smtp_in) != 0 && errno != ECONNRESET)
+  if (fclose(smtp_in) != 0 && errno != ECONNRESET && errno != EPIPE)
     log_write(0, LOG_MAIN|LOG_PANIC, "daemon: fclose(smtp_in) failed: %s",
       strerror(errno));
   smtp_in = NULL;
@@ -1414,11 +1418,10 @@ if (running_in_test_harness || write_pid)
   if (pid_file_path[0] == 0)
     pid_file_path = string_sprintf("%s/exim-daemon.pid", spool_directory);
 
-  f = Ufopen(pid_file_path, "wb");
+  f = modefopen(pid_file_path, "wb", 0644);
   if (f != NULL)
     {
     (void)fprintf(f, "%d\n", (int)getpid());
-    (void)fchmod(fileno(f), 0644);
     (void)fclose(f);
     DEBUG(D_any) debug_printf("pid written to %s\n", pid_file_path);
     }
@@ -1628,6 +1631,8 @@ for (;;)
           {
           uschar opt[8];
           uschar *p = opt;
+          uschar *extra[4];
+          int extracount = 1;
 
           signal(SIGALRM, SIG_DFL);
           *p++ = '-';
@@ -1638,8 +1643,29 @@ for (;;)
           if (deliver_force_thaw) *p++ = 'f';
           if (queue_run_local) *p++ = 'l';
           *p = 0;
+          extra[0] = opt;
+
+          /* If -R or -S were on the original command line, ensure they get
+          passed on. */
+
+          if (deliver_selectstring != NULL)
+            {
+            extra[extracount++] = deliver_selectstring_regex? US"-Rr" : US"-R";
+            extra[extracount++] = deliver_selectstring;
+            }
+
+          if (deliver_selectstring_sender != NULL)
+            {
+            extra[extracount++] = deliver_selectstring_sender_regex?
+              US"-Sr" : US"-S";
+            extra[extracount++] = deliver_selectstring_sender;
+            }
+
+          /* Overlay this process with a new execution. */
+
+          (void)child_exec_exim(CEE_EXEC_PANIC, FALSE, NULL, TRUE, extracount,
+            extra[0], extra[1], extra[2], extra[3], extra[4]);
 
-          (void)child_exec_exim(CEE_EXEC_PANIC, FALSE, NULL, TRUE, 1, opt);
           /* Control never returns here. */
           }