From 5eb690a173fdc71d5326c05a2a6a9d87d159187a Mon Sep 17 00:00:00 2001
From: Nigel Metheringham <nigel@exim.org>
Date: Fri, 16 Oct 2009 12:33:09 +0000
Subject: [PATCH 1/1] prepend (not append) Resent-Message-ID and Resent-Date. 
 fixes: #508

---
 doc/doc-txt/ChangeLog |  5 ++++-
 src/src/header.c      | 11 +++++++++--
 src/src/receive.c     | 10 ++++++----
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 6153e000b..ad502c68c 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -1,4 +1,4 @@
-$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.570 2009/10/16 09:51:12 nm4 Exp $
+$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.571 2009/10/16 12:33:09 nm4 Exp $
 
 Change log file for Exim from version 4.21
 -------------------------------------------
@@ -114,6 +114,9 @@ NM/20 Bugzilla 167: bool: condition support
 NM/21 Bugzilla 665: gnutls_compat_mode to allow compatibility with broken clients
       Patch provided by Phil Pennock
 
+NM/22 Bugzilla 508: prepend (not append) Resent-Message-ID and Resent-Date
+      Patch provided by Brad "anomie" Jorsch
+
 
 Exim version 4.69
 -----------------
diff --git a/src/src/header.c b/src/src/header.c
index 1186dd938..dea5fbe65 100644
--- a/src/src/header.c
+++ b/src/src/header.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/header.c,v 1.6 2007/01/08 10:50:18 ph10 Exp $ */
+/* $Cambridge: exim/src/src/header.c,v 1.7 2009/10/16 12:33:09 nm4 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -118,7 +118,14 @@ if (name == NULL)
   else
     {
     hptr = &header_list;
-    h = header_list;
+
+    /* header_list->text can be NULL if we get here between when the new
+    received header is allocated and when it is acutally filled in. We want
+    that header to be first, so skip it for now. */
+
+    if (header_list->text == NULL)
+      hptr = &header_list->next;
+    h = *hptr;
     }
   }
 
diff --git a/src/src/receive.c b/src/src/receive.c
index 0cc8832c3..3c307b07b 100644
--- a/src/src/receive.c
+++ b/src/src/receive.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/receive.c,v 1.49 2009/10/15 13:49:43 tom Exp $ */
+/* $Cambridge: exim/src/src/receive.c,v 1.50 2009/10/16 12:33:09 nm4 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -2337,8 +2337,9 @@ if (msgid_header == NULL &&
 
   /* Add the header line */
 
-  header_add(htype_id, "%sMessage-Id: <%s%s%s@%s>\n", resent_prefix,
-    message_id_external, (*id_text == 0)? "" : ".", id_text, id_domain);
+  header_add_at_position(FALSE, NULL, FALSE, htype_id,
+    "%sMessage-Id: <%s%s%s@%s>\n", resent_prefix, message_id_external,
+    (*id_text == 0)? "" : ".", id_text, id_domain);
   }
 
 /* If we are to log recipients, keep a copy of the raw ones before any possible
@@ -2608,7 +2609,8 @@ to be more confusing if Exim adds one to all remotely-originated messages. */
 if (!date_header_exists &&
       ((sender_host_address == NULL && !suppress_local_fixups)
         || submission_mode))
-  header_add(htype_other, "%sDate: %s\n", resent_prefix, tod_stamp(tod_full));
+  header_add_at_position(FALSE, NULL, FALSE, htype_other, "%sDate: %s\n",
+    resent_prefix, tod_stamp(tod_full));
 
 search_tidyup();    /* Free any cached resources */
 
-- 
2.30.2