M gnu/local.mk => gnu/local.mk +2 -0
@@ 5,6 5,7 @@
# Copyright © 2013, 2014, 2015, 2016 Mark H Weaver <mhw@netris.org>
# Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
# Copyright © 2016 Kei Kebreau <kei@openmailbox.org>
+# Copyright © 2016 Rene Saavedra <rennes@openmailbox.org>
#
# This file is part of GNU Guix.
#
@@ 651,6 652,7 @@ dist_patch_DATA = \
%D%/packages/patches/libwmf-CVE-2015-4695.patch \
%D%/packages/patches/libwmf-CVE-2015-4696.patch \
%D%/packages/patches/libxslt-generated-ids.patch \
+ %D%/packages/patches/linux-pam-no-setfsuid.patch \
%D%/packages/patches/lirc-localstatedir.patch \
%D%/packages/patches/lm-sensors-hwmon-attrs.patch \
%D%/packages/patches/lua-CVE-2014-5461.patch \
M gnu/packages/linux.scm => gnu/packages/linux.scm +6 -3
@@ 15,6 15,7 @@
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;; Copyright © 2016 John Darrington <jmd@gnu.org>
+;;; Copyright © 2016 Rene Saavedra <rennes@openmailbox.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ 414,7 415,9 @@ It has been modified to remove all non-free binary blobs.")
"Linux-PAM-" version ".tar.bz2"))
(sha256
(base32
- "1fyi04d5nsh8ivd0rn2y0z83ylgc0licz7kifbb6xxi2ylgfs6i4"))))
+ "1fyi04d5nsh8ivd0rn2y0z83ylgc0licz7kifbb6xxi2ylgfs6i4"))
+ (patches (search-patches "linux-pam-no-setfsuid.patch"))))
+
(build-system gnu-build-system)
(native-inputs
`(("flex" ,flex)
@@ 455,8 458,8 @@ at login. Local and dynamic reconfiguration are its key features.")
"Linux-PAM-" version ".tar.bz2"))
(sha256
(base32
- "1n9lnf9gjs72kbj1g354v1xhi2j27aqaah15vykh7cnkq08i4arl"))))))
-
+ "1n9lnf9gjs72kbj1g354v1xhi2j27aqaah15vykh7cnkq08i4arl"))
+ (patches (search-patches "linux-pam-no-setfsuid.patch"))))))
;;;
A gnu/packages/patches/linux-pam-no-setfsuid.patch => gnu/packages/patches/linux-pam-no-setfsuid.patch +75 -0
@@ 0,0 1,75 @@
+On systems without 'setfsuid', use 'setreuid' instead.
+
+The patch originates from the Debian project for GNU/Hurd.
+Authors: Steve Langasek <vorlon@debian.org>
+Upstream status: A ticket was opened to request apply the patch,
+ticket: 'https://fedorahosted.org/linux-pam/ticket/64'.
+
+--- Linux-PAM-1.2.1/libpam/pam_modutil_priv.c 2015-03-24 06:02:32.000000000 -0600
++++ pam_modutil_priv-mod.c 2016-09-20 13:36:53.150663205 -0500
+@@ -14,7 +14,9 @@
+ #include <syslog.h>
+ #include <pwd.h>
+ #include <grp.h>
++#ifdef HAVE_SYS_FSUID_H
+ #include <sys/fsuid.h>
++#endif /* HAVE_SYS_FSUID_H */
+
+ /*
+ * Two setfsuid() calls in a row are necessary to check
+@@ -22,17 +24,55 @@
+ */
+ static int change_uid(uid_t uid, uid_t *save)
+ {
++#ifdef HAVE_SYS_FSUID_H
+ uid_t tmp = setfsuid(uid);
+ if (save)
+ *save = tmp;
+ return (uid_t) setfsuid(uid) == uid ? 0 : -1;
++#else
++ uid_t euid = geteuid();
++ uid_t ruid = getuid();
++ if (save)
++ *save = ruid;
++ if (ruid == uid && uid != 0)
++ if (setreuid(euid, uid))
++ return -1;
++ else {
++ setreuid(0, -1);
++ if (setreuid(-1, uid)) {
++ setreuid(-1, 0);
++ setreuid(0, -1);
++ if (setreuid(-1, uid))
++ return -1;
++ }
++ }
++#endif
+ }
+ static int change_gid(gid_t gid, gid_t *save)
+ {
++#ifdef HAVE_SYS_FSUID_H
+ gid_t tmp = setfsgid(gid);
+ if (save)
+ *save = tmp;
+ return (gid_t) setfsgid(gid) == gid ? 0 : -1;
++#else
++ gid_t egid = getegid();
++ gid_t rgid = getgid();
++ if (save)
++ *save = rgid;
++ if (rgid == gid)
++ if (setregid(egid, gid))
++ return -1;
++ else {
++ setregid(0, -1);
++ if (setregid(-1, gid)) {
++ setregid(-1, 0);
++ setregid(0, -1);
++ if (setregid(-1, gid))
++ return -1;
++ }
++ }
++#endif
+ }
+
+ static int cleanup(struct pam_modutil_privs *p)