gnu: lxterminal: Fix CVE-2016-10369.

* gnu/packages/patches/lxterminal-CVE-2016-10369.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/lxde.scm (lxterminal)[source]: Use it.

gnu/local.mk

@@ -790,6 +790,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/luminance-hdr-qt-printer.patch		\
   %D%/packages/patches/lvm2-static-link.patch			\
   %D%/packages/patches/lxsession-use-gapplication.patch         \
+  %D%/packages/patches/lxterminal-CVE-2016-10369.patch		\
   %D%/packages/patches/lz4-fix-test-failures.patch		\
   %D%/packages/patches/make-impure-dirs.patch			\
   %D%/packages/patches/mars-install.patch			\

gnu/packages/lxde.scm

@@ -162,6 +162,7 @@ toolkit.  It allows users to monitor and control of running processes.")
               (uri (string-append "mirror://sourceforge/lxde/LXTerminal"
                                   "%20%28terminal%20emulator%29/LXTerminal%20"
                                   version "/" name "-" version ".tar.xz"))
+              (patches (search-patches "lxterminal-CVE-2016-10369.patch"))
               (sha256
                (base32
                 "1yf76s15zvfw0h42b0ay1slpq47khgjmcry8ki2z812zar9lchia"))))

gnu/packages/patches/lxterminal-CVE-2016-10369.patch

@@ -0,0 +1,37 @@
+Fix CVE-2016-10369:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10369
+
+Patch copied from upstream source repository:
+
+https://git.lxde.org/gitweb/?p=lxde/lxterminal.git;a=commit;h=f99163c6ff8b2f57c5f37b1ce5d62cf7450d4648
+
+From f99163c6ff8b2f57c5f37b1ce5d62cf7450d4648 Mon Sep 17 00:00:00 2001
+From: Yao Wei <mwei@lxde.org>
+Date: Mon, 8 May 2017 00:47:55 +0800
+Subject: [PATCH] fix: use g_get_user_runtime_dir for socket directory
+
+This bug is pointed out by stackexchange user that putting socket file in
+/tmp is a potential risk. Putting the socket dir in user directory could
+mitigate the risk.
+---
+ src/unixsocket.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/unixsocket.c b/src/unixsocket.c
+index 4c660ac..f88284c 100644
+--- a/src/unixsocket.c
++++ b/src/unixsocket.c
+@@ -140,7 +140,8 @@ gboolean lxterminal_socket_initialize(LXTermWindow * lxtermwin, gint argc, gchar
+      * This function returns TRUE if this process should keep running and FALSE if it should exit. */
+ 
+     /* Formulate the path for the Unix domain socket. */
+-    gchar * socket_path = g_strdup_printf("/tmp/.lxterminal-socket%s-%s", gdk_display_get_name(gdk_display_get_default()), g_get_user_name());
++    gchar * socket_path = g_strdup_printf("%s/.lxterminal-socket-%s", g_get_user_runtime_dir(), gdk_display_get_name(gdk_display_get_default()));
++    printf("%s\n", socket_path);
+ 
+     /* Create socket. */
+     int fd = socket(PF_UNIX, SOCK_STREAM, 0);
+-- 
+2.1.4
+