Close logs after daemon-process exceptional write. Bug 728

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

diff --git a/src/src/daemon.c b/src/src/daemon.c
index de794f693ddc54713f2cb3b8b4be4900be833949..e1ff9a16ff9959c290e147826f36af84a7d025cd 100644 (file)
--- a/src/src/daemon.c
+++ b/src/src/daemon.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions concerned with running Exim as a daemon */
@@ -145,7 +145,7 @@ int dup_accept_socket = -1;
 int max_for_this_host = 0;
 int wfsize = 0;
 int wfptr = 0;
-int use_log_write_selector = log_write_selector;
+int save_log_selector = *log_selector;
 uschar *whofrom = NULL;
 
 void *reset_point = store_get(0);
@@ -206,11 +206,11 @@ memory is reclaimed. */
 
 whofrom = string_append(whofrom, &wfsize, &wfptr, 3, "[", sender_host_address, "]");
 
-if ((log_extra_selector & LX_incoming_port) != 0)
+if (LOGGING(incoming_port))
   whofrom = string_append(whofrom, &wfsize, &wfptr, 2, ":", string_sprintf("%d",
     sender_host_port));
 
-if ((log_extra_selector & LX_incoming_interface) != 0)
+if (LOGGING(incoming_interface))
   whofrom = string_append(whofrom, &wfsize, &wfptr, 4, " I=[",
     interface_address, "]:", string_sprintf("%d", interface_port));
 
@@ -338,11 +338,11 @@ the generalized logging code each time when the selector is false. If the
 selector is set, check whether the host is on the list for logging. If not,
 arrange to unset the selector in the subprocess. */
 
-if ((log_write_selector & L_smtp_connection) != 0)
+if (LOGGING(smtp_connection))
   {
   uschar *list = hosts_connection_nolog;
   if (list != NULL && verify_check_host(&list) == OK)
-    use_log_write_selector &= ~L_smtp_connection;
+    save_log_selector &= ~L_smtp_connection;
   else
     log_write(L_smtp_connection, LOG_MAIN, "SMTP connection from %s "
       "(TCP/IP connection count = %d)", whofrom, smtp_accept_count + 1);
@@ -372,7 +372,7 @@ if (pid == 0)
 
   /* May have been modified for the subprocess */
 
-  log_write_selector = use_log_write_selector;
+  *log_selector = save_log_selector;
 
   /* Get the local interface address into permanent store */
 
@@ -382,7 +382,7 @@ if (pid == 0)
 
   /* Check for a tls-on-connect port */
 
-  if (host_is_tls_on_connect_port(interface_port)) tls_on_connect = TRUE;
+  if (host_is_tls_on_connect_port(interface_port)) tls_in.on_connect = TRUE;
 
   /* Expand smtp_active_hostname if required. We do not do this any earlier,
   because it may depend on the local interface address (indeed, that is most
@@ -639,7 +639,7 @@ if (pid == 0)
         the data structures if necessary. */
 
         #ifdef SUPPORT_TLS
-        tls_close(FALSE);
+        tls_close(TRUE, FALSE);
         #endif
 
         /* Reset SIGHUP and SIGCHLD in the child in both cases. */
@@ -735,6 +735,7 @@ else (void)close(dup_accept_socket);
 /* Release any store used in this process, including the store used for holding
 the incoming host address and an expanded active_hostname. */
 
+log_close_all();
 store_reset(reset_point);
 sender_host_address = NULL;
 }
@@ -1042,13 +1043,13 @@ The preparation code decodes options and sets up the relevant data. We do this
 first, so that we can return non-zero if there are any syntax errors, and also
 write to stderr. */
 
-else if (daemon_listen)
+if (daemon_listen && !inetd_wait_mode)
   {
   int *default_smtp_port;
   int sep;
   int pct = 0;
   uschar *s;
-  uschar *list;
+  const uschar * list;
   uschar *local_iface_source = US"local_interfaces";
   ip_address_item *ipa;
   ip_address_item **pipa;
@@ -1071,8 +1072,7 @@ else if (daemon_listen)
 
     list = override_local_interfaces;
     sep = 0;
-    while ((s = string_nextinlist(&list,&sep,big_buffer,big_buffer_size))
-           != NULL)
+    while ((s = string_nextinlist(&list, &sep, big_buffer, big_buffer_size)))
       {
       uschar joinstr[4];
       uschar **ptr;
@@ -1127,13 +1127,13 @@ else if (daemon_listen)
 
   list = daemon_smtp_port;
   sep = 0;
-  while ((s = string_nextinlist(&list,&sep,big_buffer,big_buffer_size)) != NULL)
+  while ((s = string_nextinlist(&list, &sep, big_buffer, big_buffer_size)))
     pct++;
   default_smtp_port = store_get((pct+1) * sizeof(int));
   list = daemon_smtp_port;
   sep = 0;
   for (pct = 0;
-       (s = string_nextinlist(&list,&sep,big_buffer,big_buffer_size)) != NULL;
+       (s = string_nextinlist(&list, &sep, big_buffer, big_buffer_size));
        pct++)
     {
     if (isdigit(*s))
@@ -1146,13 +1146,38 @@ else if (daemon_listen)
     else
       {
       struct servent *smtp_service = getservbyname(CS s, "tcp");
-      if (smtp_service == NULL)
+      if (!smtp_service)
         log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "TCP port \"%s\" not found", s);
       default_smtp_port[pct] = ntohs(smtp_service->s_port);
       }
     }
   default_smtp_port[pct] = 0;
 
+  /* Check the list of TLS-on-connect ports and do name lookups if needed */
+
+  list = tls_in.on_connect_ports;
+  sep = 0;
+  while ((s = string_nextinlist(&list, &sep, big_buffer, big_buffer_size)))
+    if (!isdigit(*s))
+      {
+      list = tls_in.on_connect_ports;
+      tls_in.on_connect_ports = NULL;
+      sep = 0;
+      while ((s = string_nextinlist(&list, &sep, big_buffer, big_buffer_size)))
+       {
+        if (!isdigit(*s))
+         {
+         struct servent *smtp_service = getservbyname(CS s, "tcp");
+         if (!smtp_service)
+           log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "TCP port \"%s\" not found", s);
+         s= string_sprintf("%d", (int)ntohs(smtp_service->s_port));
+         }
+       tls_in.on_connect_ports = string_append_listele(tls_in.on_connect_ports,
+           ':', s);
+       }
+      break;
+      }
+
   /* Create the list of local interfaces, possibly with ports included. This
   list may contain references to 0.0.0.0 and ::0 as wildcards. These special
   values are converted below. */
@@ -1675,6 +1700,15 @@ else
     readconf_printtime(queue_interval));
   }
 
+/* Do any work it might be useful to amortize over our children
+(eg: compile regex) */
+
+deliver_init();
+dns_pattern_init();
+
+#ifdef WITH_CONTENT_SCAN
+malware_init();
+#endif
 
 /* Close the log so it can be renamed and moved. In the few cases below where
 this long-running process writes to the log (always exceptional conditions), it
@@ -2065,5 +2099,6 @@ for (;;)
 /* Control never reaches here */
 }
 
+/* vi: aw ai sw=2
+*/
 /* End of exim_daemon.c */
-