X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/4c04137d73637107669e02b21f890387aaa2ef34..5013d912e961203f2ab2d5f64be90255cda81b80:/src/src/exim.c

diff --git a/src/src/exim.c b/src/src/exim.c
index 5e11559ad..383382072 100644
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -12,7 +12,7 @@ Also a few functions that don't naturally fit elsewhere. */
 
 #include "exim.h"
 
-#ifdef __GLIBC__
+#if defined(__GLIBC__) && !defined(__UCLIBC__)
 # include <gnu/libc-version.h>
 #endif
 
@@ -1044,7 +1044,7 @@ DEBUG(D_any) do {
   fprintf(f, "Compiler: <unknown>\n");
 #endif
 
-#ifdef __GLIBC__
+#if defined(__GLIBC__) && !defined(__UCLIBC__)
   fprintf(f, "Library version: Glibc: Compile: %d.%d\n",
 	       	__GLIBC__, __GLIBC_MINOR__);
   if (__GLIBC_PREREQ(2, 1))
@@ -2294,7 +2294,7 @@ for (i = 1; i < argc; i++)
       #ifdef ALT_CONFIG_PREFIX
       int sep = 0;
       int len = Ustrlen(ALT_CONFIG_PREFIX);
-      uschar *list = argrest;
+      const uschar *list = argrest;
       uschar *filename;
       while((filename = string_nextinlist(&list, &sep, big_buffer,
              big_buffer_size)) != NULL)
@@ -2708,18 +2708,19 @@ for (i = 1; i < argc; i++)
         return EXIT_FAILURE;
         }
 
-      /* Set up $sending_ip_address and $sending_port */
+      /* Set up $sending_ip_address and $sending_port, unless proxied */
 
-      if (getsockname(fileno(stdin), (struct sockaddr *)(&interface_sock),
-          &size) == 0)
-        sending_ip_address = host_ntoa(-1, &interface_sock, NULL,
-          &sending_port);
-      else
-        {
-        fprintf(stderr, "exim: getsockname() failed after -MC option: %s\n",
-          strerror(errno));
-        return EXIT_FAILURE;
-        }
+      if (!continue_proxy_cipher)
+	if (getsockname(fileno(stdin), (struct sockaddr *)(&interface_sock),
+	    &size) == 0)
+	  sending_ip_address = host_ntoa(-1, &interface_sock, NULL,
+	    &sending_port);
+	else
+	  {
+	  fprintf(stderr, "exim: getsockname() failed after -MC option: %s\n",
+	    strerror(errno));
+	  return EXIT_FAILURE;
+	  }
 
       if (running_in_test_harness) millisleep(500);
       break;
@@ -2727,7 +2728,7 @@ for (i = 1; i < argc; i++)
 
     else if (*argrest == 'C' && argrest[1] && !argrest[2])
       {
-	switch(argrest[1])
+      switch(argrest[1])
 	{
     /* -MCA: set the smtp_authenticated flag; this is useful only when it
     precedes -MC (see above). The flag indicates that the host to which
@@ -2771,6 +2772,19 @@ for (i = 1; i < argc; i++)
 	case 'S': smtp_peer_options |= PEER_OFFERED_SIZE; break;
 
 #ifdef SUPPORT_TLS
+    /* -MCt: similar to -MCT below but the connection is still open
+    via a proxy proces which handles the TLS context and coding.
+    Require three arguments for the proxied local address and port,
+    and the TLS cipher.  */
+
+	case 't': if (++i < argc) sending_ip_address = argv[i];
+		  else badarg = TRUE;
+		  if (++i < argc) sending_port = (int)(Uatol(argv[i]));
+		  else badarg = TRUE;
+		  if (++i < argc) continue_proxy_cipher = argv[i];
+		  else badarg = TRUE;
+		  /*FALLTHROUGH*/
+
     /* -MCT: set the tls_offered flag; this is useful only when it
     precedes -MC (see above). The flag indicates that the host to which
     Exim is connected has offered TLS support. */
@@ -3195,7 +3209,10 @@ for (i = 1; i < argc; i++)
         }
       else
         {
+	int old_pool = store_pool;
+	store_pool = POOL_PERM;
         received_protocol = string_copyn(argrest, hn - argrest);
+	store_pool = old_pool;
         sender_host_name = hn + 1;
         }
       }
@@ -5121,12 +5138,21 @@ if (host_checking)
 
   if (smtp_start_session())
     {
-    reset_point = store_get(0);
-    for (;;)
+    for (reset_point = store_get(0); ; store_reset(reset_point))
       {
-      store_reset(reset_point);
       if (smtp_setup_msg() <= 0) break;
       if (!receive_msg(FALSE)) break;
+
+      return_path = sender_address = NULL;
+      dnslist_domain = dnslist_matched = NULL;
+#ifndef DISABLE_DKIM
+      dkim_cur_signer = NULL;
+#endif
+      acl_var_m = NULL;
+      deliver_localpart_orig = NULL;
+      deliver_domain_orig = NULL;
+      callout_address = sending_ip_address = NULL;
+      sender_rate = sender_rate_limit = sender_rate_period = NULL;
       }
     smtp_log_no_mail();
     }
@@ -5249,8 +5275,11 @@ if (smtp_input)
   }
 else
   {
-  if (received_protocol == NULL)
+  int old_pool = store_pool;
+  store_pool = POOL_PERM;
+  if (!received_protocol)
     received_protocol = string_sprintf("local%s", called_as);
+  store_pool = old_pool;
   set_process_info("accepting a local non-SMTP message from <%s>",
     sender_address);
   }
@@ -5364,7 +5393,6 @@ collapsed). */
 
 while (more)
   {
-  store_reset(reset_point);
   message_id[0] = 0;
 
   /* Handle the SMTP case; call smtp_setup_mst() to deal with the initial SMTP
@@ -5406,7 +5434,7 @@ while (more)
       more = receive_msg(extract_recipients);
       if (message_id[0] == 0)
         {
-        if (more) continue;
+        if (more) goto moreloop;
         smtp_log_no_mail();               /* Log no mail if configured */
         exim_exit(EXIT_FAILURE);
         }
@@ -5769,6 +5797,23 @@ while (more)
   #ifndef SIG_IGN_WORKS
   while (waitpid(-1, NULL, WNOHANG) > 0);
   #endif
+
+moreloop:
+  return_path = sender_address = NULL;
+  authenticated_sender = NULL;
+  deliver_localpart_orig = NULL;
+  deliver_domain_orig = NULL;
+  deliver_host = deliver_host_address = NULL;
+  dnslist_domain = dnslist_matched = NULL;
+#ifdef WITH_CONTENT_SCAN
+  malware_name = NULL;
+#endif
+  callout_address = NULL;
+  sending_ip_address = NULL;
+  acl_var_m = NULL;
+  { int i; for(i=0; i<REGEX_VARS; i++) regex_vars[i] = NULL; }
+
+  store_reset(reset_point);
   }
 
 exim_exit(EXIT_SUCCESS);   /* Never returns */