From: Nigel Metheringham <nigel@exim.org>
Date: Fri, 12 Dec 2008 14:44:25 +0000 (+0000)
Subject: Accept len modification fix. fixes: bug #770
X-Git-Tag: DEVEL_PDKIM_START~12
X-Git-Url: https://git.exim.org/users/jgh/exim.git/commitdiff_plain/cf73943b330a44b8716aa1fcbf649ee1f0fbc67b

Accept len modification fix. fixes: bug #770
---

diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 09b9031cc..1e4774067 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -1,4 +1,4 @@
-$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.557 2008/12/12 14:36:37 nm4 Exp $
+$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.558 2008/12/12 14:44:25 nm4 Exp $
 
 Change log file for Exim from version 4.21
 -------------------------------------------
@@ -80,6 +80,9 @@ NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
 NM/09 Bugzilla 787: Potential buffer overflow in string_format
       Patch provided by Eugene Bujak
 
+NM/10 Bugzilla 770: Problem on some platforms modifying the len parameter to accept()
+      Patch provided by Maxim Dounin
+
 
 Exim version 4.69
 -----------------
diff --git a/src/src/daemon.c b/src/src/daemon.c
index 2413eaea5..777cda6f4 100644
--- a/src/src/daemon.c
+++ b/src/src/daemon.c
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/src/daemon.c,v 1.25 2008/01/28 18:24:07 fanf2 Exp $ */
+/* $Cambridge: exim/src/src/daemon.c,v 1.26 2008/12/12 14:44:25 nm4 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
@@ -1613,7 +1613,7 @@ for (;;)
   struct sockaddr_in accepted;
   #endif
 
-  EXIM_SOCKLEN_T len = sizeof(accepted);
+  EXIM_SOCKLEN_T len;
   pid_t pid;
 
   /* This code is placed first in the loop, so that it gets obeyed at the
@@ -1808,6 +1808,7 @@ for (;;)
           {
           if (FD_ISSET(listen_sockets[sk], &select_listen))
             {
+            len = sizeof(accepted);
             accept_socket = accept(listen_sockets[sk],
               (struct sockaddr *)&accepted, &len);
             FD_CLR(listen_sockets[sk], &select_listen);