polkit: update to 0.120.

Add Git patch to fix CVE-2021-4034.

srcpkgs/polkit/patches/CVE-2021-4034.patch

@@ -0,0 +1,79 @@
+From a2bf5c9c83b6ae46cbd5c779d3055bff81ded683 Mon Sep 17 00:00:00 2001
+From: Jan Rybar <jrybar@redhat.com>
+Date: Tue, 25 Jan 2022 17:21:46 +0000
+Subject: [PATCH] pkexec: local privilege escalation (CVE-2021-4034)
+
+---
+ src/programs/pkcheck.c |  5 +++++
+ src/programs/pkexec.c  | 23 ++++++++++++++++++++---
+ 2 files changed, 25 insertions(+), 3 deletions(-)
+
+diff --git a/src/programs/pkcheck.c b/src/programs/pkcheck.c
+index f1bb4e1..768525c 100644
+--- a/src/programs/pkcheck.c
++++ b/src/programs/pkcheck.c
+@@ -363,6 +363,11 @@ main (int argc, char *argv[])
+   local_agent_handle = NULL;
+   ret = 126;
+ 
++  if (argc < 1)
++    {
++      exit(126);
++    }
++
+   /* Disable remote file access from GIO. */
+   setenv ("GIO_USE_VFS", "local", 1);
+ 
+diff --git a/src/programs/pkexec.c b/src/programs/pkexec.c
+index 7698c5c..84e5ef6 100644
+--- a/src/programs/pkexec.c
++++ b/src/programs/pkexec.c
+@@ -488,6 +488,15 @@ main (int argc, char *argv[])
+   pid_t pid_of_caller;
+   gpointer local_agent_handle;
+ 
++
++  /*
++   * If 'pkexec' is called THIS wrong, someone's probably evil-doing. Don't be nice, just bail out.
++   */
++  if (argc<1)
++    {
++      exit(127);
++    }
++
+   ret = 127;
+   authority = NULL;
+   subject = NULL;
+@@ -614,10 +623,10 @@ main (int argc, char *argv[])
+ 
+       path = g_strdup (pwstruct.pw_shell);
+       if (!path)
+-	{
++        {
+           g_printerr ("No shell configured or error retrieving pw_shell\n");
+           goto out;
+-	}
++        }
+       /* If you change this, be sure to change the if (!command_line)
+ 	 case below too */
+       command_line = g_strdup (path);
+@@ -636,7 +645,15 @@ main (int argc, char *argv[])
+           goto out;
+         }
+       g_free (path);
+-      argv[n] = path = s;
++      path = s;
++
++      /* argc<2 and pkexec runs just shell, argv is guaranteed to be null-terminated.
++       * /-less shell shouldn't happen, but let's be defensive and don't write to null-termination
++       */
++      if (argv[n] != NULL)
++      {
++        argv[n] = path;
++      }
+     }
+   if (access (path, F_OK) != 0)
+     {
+-- 
+GitLab
+

srcpkgs/polkit/template

@@ -1,6 +1,6 @@
 # Template file for 'polkit'
 pkgname=polkit
-version=0.119
+version=0.120
 revision=1
 build_style=gnu-configure
 build_helper=gir
@@ -19,7 +19,7 @@ license="GPL-2.0-or-later"
 homepage="https://www.freedesktop.org/wiki/Software/polkit"
 changelog="https://gitlab.freedesktop.org/polkit/polkit/-/raw/master/NEWS"
 distfiles="${FREEDESKTOP_SITE}/${pkgname}/releases/${pkgname}-${version}.tar.gz"
-checksum=c8579fdb86e94295404211285fee0722ad04893f0213e571bd75c00972fd1f5c
+checksum=ee7a599a853117bf273548725719fa92fabd2f136915c7a4906cee98567aee03
 system_accounts="polkitd"
 #replaces="polkit-elogind>=0"
 #provides="polkit-elogind-${version}_${revision}"