Do not panic-log each spamd connection fail. Bug 392

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

diff --git a/src/src/child.c b/src/src/child.c
index 4a1a89887ee029a409014c2d304a73a74dba9a49..20083b43c80bc49e550297d7c7f9b360fe5baa41 100644 (file)
--- a/src/src/child.c
+++ b/src/src/child.c
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/src/child.c,v 1.8 2006/02/07 14:05:17 ph10 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2006 */
+/* Copyright (c) University of Cambridge 1995 - 2009 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -174,6 +172,11 @@ the new process, and returns that to the caller via fdptr. The function returns
 the pid of the new process, or -1 if things go wrong. If debug_fd is
 non-negative, it is passed as stderr.
 
+This interface is now a just wrapper for the more complicated function
+child_open_exim2(), which has additional arguments. The wrapper must continue
+to exist, even if all calls from within Exim are changed, because it is
+documented for use from local_scan().
+
 Argument: fdptr   pointer to int for the stdin fd
 Returns:          pid of the created process or -1 if anything has gone wrong
 */
@@ -181,6 +184,24 @@ Returns:          pid of the created process or -1 if anything has gone wrong
 pid_t
 child_open_exim(int *fdptr)
 {
+return child_open_exim2(fdptr, US"<>", bounce_sender_authentication);
+}
+
+
+/* This is a more complicated function for creating a child Exim process, with
+more arguments.
+
+Arguments:
+  fdptr                   pointer to int for the stdin fd
+  sender                  for a sender address (data for -f)
+  sender_authentication   authenticated sender address or NULL
+
+Returns:          pid of the created process or -1 if anything has gone wrong
+*/
+
+pid_t
+child_open_exim2(int *fdptr, uschar *sender, uschar *sender_authentication)
+{
 int pfd[2];
 int save_errno;
 pid_t pid;
@@ -196,21 +217,39 @@ pid = fork();
 
 /* Child process: make the reading end of the pipe into the standard input and
 close the writing end. If debugging, pass debug_fd as stderr. Then re-exec
-Exim. Failure is signalled with EX_EXECFAILED, but this shouldn't occur! */
+Exim with appropriat options. In the test harness, use -odi unless queue_only
+is set, so that the bounce is fully delivered before returning. Failure is
+signalled with EX_EXECFAILED (specified by CEE_EXEC_EXIT), but this shouldn't
+occur. */
 
 if (pid == 0)
   {
   force_fd(pfd[pipe_read], 0);
   (void)close(pfd[pipe_write]);
   if (debug_fd > 0) force_fd(debug_fd, 2);
-  if (bounce_sender_authentication != NULL)
-    child_exec_exim(CEE_EXEC_EXIT, FALSE, NULL, FALSE, 8,
-      US"-t", US"-oem", US"-oi", US"-f", US"<>", US"-oMas",
-      bounce_sender_authentication, message_id_option);
-  else
-    child_exec_exim(CEE_EXEC_EXIT, FALSE, NULL, FALSE, 6,
-      US"-t", US"-oem", US"-oi", US"-f", US"<>", message_id_option);
-  /* Control does not return here. */
+  if (running_in_test_harness && !queue_only)
+    {
+    if (sender_authentication != NULL)
+      child_exec_exim(CEE_EXEC_EXIT, FALSE, NULL, FALSE, 9,
+        US "-odi", US"-t", US"-oem", US"-oi", US"-f", sender, US"-oMas",
+        sender_authentication, message_id_option);
+    else
+      child_exec_exim(CEE_EXEC_EXIT, FALSE, NULL, FALSE, 7,
+        US "-odi", US"-t", US"-oem", US"-oi", US"-f", sender,
+        message_id_option);
+    /* Control does not return here. */
+    }
+  else   /* Not test harness */
+    {
+    if (sender_authentication != NULL)
+      child_exec_exim(CEE_EXEC_EXIT, FALSE, NULL, FALSE, 8,
+        US"-t", US"-oem", US"-oi", US"-f", sender, US"-oMas",
+        sender_authentication, message_id_option);
+    else
+      child_exec_exim(CEE_EXEC_EXIT, FALSE, NULL, FALSE, 6,
+        US"-t", US"-oem", US"-oi", US"-f", sender, message_id_option);
+    /* Control does not return here. */
+    }
   }
 
 /* Parent process. Save fork() errno and close the reading end of the stdin
@@ -233,7 +272,7 @@ if (pid > 0)
 errno = save_errno;
 return (pid_t)(-1);
 }
-#endif
+#endif   /* STAND_ALONE */
 
 
 
@@ -299,6 +338,7 @@ output when things go wrong. */
 if (pid == 0)
   {
   signal(SIGUSR1, SIG_IGN);
+  signal(SIGPIPE, SIG_DFL);
 
   if (newgid != NULL && setgid(*newgid) < 0)
     {