From 92f3cbd9697a008c65a51f67f7dd9ffe720d317c Mon Sep 17 00:00:00 2001 From: Matthias Andree Date: Sun, 11 Dec 2005 20:17:17 +0000 Subject: Fix segfault (null pointer dereference) on some operating systems with fetchmail's obsolete DNS MX/host alias lookups in multidrop mode. Patch by Dr.-Ing. Andreas Haakh. svn path=/branches/BRANCH_6-3/; revision=4537 --- NEWS | 11 +++++++---- checkalias.c | 1 + 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/NEWS b/NEWS index 30f1ac3c..c075606b 100644 --- a/NEWS +++ b/NEWS @@ -8,8 +8,8 @@ Abbreviations in parentheses are the maintainers who committed the respective change. MA = Matthias Andree, ESR = Eric S. Raymond, RF = Rob Funk.) # DEPRECATED FEATURES AND MAJOR INCOMPATIBLE CHANGE ADVANCE WARNINGS -* The MX and host alias lookups that fetchmail performs in multidrop mode are - obsolete, deprecated and may be removed from a future fetchmail version. +* The MX and host alias DNS lookups that fetchmail performs in multidrop mode + are obsolete, deprecated and may be removed from a future fetchmail version. They have never supported IPv6 (including IPv6-mapped IPv4) anyhow. (MA) * The monitor and interface options may be removed from a future fetchmail version as they are not sufficiently portable. (MA) @@ -33,9 +33,12 @@ fetchmail 6.3.1 (not yet released): that we are not using. Patch by Sunil Shetye. (MA) * Plug potential memory and socket leak when polling multiple folders or when the upstream sends bogus message sizes. Patch by Sunil Shetye. (MA) -* Fix segfault in multidrop mode with headerless email. - Reported by Daniel Drake, patch by Sunil Shetye. (MA) +* Fix segfault (null pointer dereference) in multidrop mode with headerless + email. Reported by Daniel Drake, patch by Sunil Shetye. (MA) * Update Catalan translation, by Ernest Adrogué Calveras. (MA) +* Fix segfault (null pointer dereference) on some operating systems with + fetchmail's obsolete DNS MX/host alias lookups in multidrop mode. + Patch by Dr.-Ing. Andreas Haakh. (MA) fetchmail 6.3.0 (released 2005-11-30): diff --git a/checkalias.c b/checkalias.c index fd00502f..9447ec20 100644 --- a/checkalias.c +++ b/checkalias.c @@ -157,6 +157,7 @@ int is_host_alias(const char *name, struct query *ctl) hints.ai_family=AF_UNSPEC; hints.ai_protocol=PF_UNSPEC; hints.ai_socktype=SOCK_STREAM; + hints.ai_flags=AI_CANONNAME; e = getaddrinfo(name, NULL, &hints, &res); if (e == 0) -- cgit v1.2.3