gnu: gajim: Fix CVE-2016-10376.

* gnu/packages/patches/gajim-CVE-2016-10376.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/messaging.scm (gajim)[source]: Use it.

gnu/local.mk

@@ -598,6 +598,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/freetype-CVE-2017-8105.patch		\
   %D%/packages/patches/freetype-CVE-2017-8287.patch		\
   %D%/packages/patches/fuse-overlapping-headers.patch				\
+  %D%/packages/patches/gajim-CVE-2016-10376.patch		\
   %D%/packages/patches/gawk-shell.patch				\
   %D%/packages/patches/gcc-arm-bug-71399.patch			\
   %D%/packages/patches/gcc-arm-link-spec-fix.patch		\

gnu/packages/messaging.scm

@@ -490,6 +490,8 @@ was initially a fork of xmpppy, but uses non-blocking sockets.")
               (uri (string-append "https://gajim.org/downloads/"
                                   (version-major+minor version)
                                   "/gajim-" version ".tar.bz2"))
+              (patches
+               (search-patches "gajim-CVE-2016-10376.patch"))
               (sha256
                (base32
                 "13sxz0hpvyj2yvcbsfqq9yn0hp1d1zsxsj40r0v16jlibha5da9n"))))

gnu/packages/patches/gajim-CVE-2016-10376.patch

@@ -0,0 +1,57 @@
+Fix CVE-2016-10376.
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10376
+http://seclists.org/oss-sec/2017/q2/341
+https://dev.gajim.org/gajim/gajim/issues/8378
+
+Patch copied from upstream source repository:
+
+https://dev.gajim.org/gajim/gajim/commit/cb65cfc5aed9efe05208ebbb7fb2d41fcf7253cc
+
+(adapted for context in config.py)
+
+From cb65cfc5aed9efe05208ebbb7fb2d41fcf7253cc Mon Sep 17 00:00:00 2001
+From: Philipp Hörist <forenjunkie@chello.at>
+Date: Fri, 26 May 2017 23:10:05 +0200
+Subject: [PATCH] Add config option to activate XEP-0146 commands
+
+Some of the Commands have security implications, thats why we disable them per default
+Fixes #8378
+---
+ src/common/commands.py | 7 ++++---
+ src/common/config.py   | 1 +
+ 2 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/src/common/commands.py b/src/common/commands.py
+index 19d8c13..0eeb57c 100644
+--- a/src/common/commands.py
++++ b/src/common/commands.py
+@@ -345,9 +345,10 @@ class ConnectionCommands:
+     def __init__(self):
+         # a list of all commands exposed: node -> command class
+         self.__commands = {}
+-        for cmdobj in (ChangeStatusCommand, ForwardMessagesCommand,
+-        LeaveGroupchatsCommand, FwdMsgThenDisconnectCommand):
+-            self.__commands[cmdobj.commandnode] = cmdobj
++        if gajim.config.get('remote_commands'):
++            for cmdobj in (ChangeStatusCommand, ForwardMessagesCommand,
++            LeaveGroupchatsCommand, FwdMsgThenDisconnectCommand):
++                self.__commands[cmdobj.commandnode] = cmdobj
+ 
+         # a list of sessions; keys are tuples (jid, sessionid, node)
+         self.__sessions = {}
+diff --git a/src/common/config.py b/src/common/config.py
+index cde1f81..fe25455 100644
+--- a/src/common/config.py
++++ b/src/common/config.py
+@@ -314,6 +314,7 @@ class Config:
+             'ignore_incoming_attention': [opt_bool, False, _('If True, Gajim will ignore incoming attention requestd ("wizz").')],
+             'remember_opened_chat_controls': [ opt_bool, True, _('If enabled, Gajim will reopen chat windows that were opened last time Gajim was closed.')],
+             'positive_184_ack': [ opt_bool, False, _('If enabled, Gajim will show an icon to show that sent message has been received by your contact')],
++            'remote_commands': [opt_bool, False, _('If True, Gajim will execute XEP-0146 Commands.')],
+     }, {})
+ 
+     __options_per_key = {
+--
+libgit2 0.24.0
+