Fix potential explicit NULL deref of program name

Tolerate-NULL-pointers-in-gp_same.patch

@@ -0,0 +1,31 @@
+From 2f206673bed2acea306a1313b8158e126bbfecee Mon Sep 17 00:00:00 2001
+From: Robbie Harwood <rharwood@redhat.com>
+Date: Tue, 13 Jun 2017 14:22:44 -0400
+Subject: [PATCH] Tolerate NULL pointers in gp_same
+
+Fixes potential NULL derefs of program names
+
+Signed-off-by: Robbie Harwood <rharwood@redhat.com>
+Reviewed-by: Simo Sorce <simo@redhat.com>
+Merges: #195
+(cherry picked from commit afe4c2fe6f7f939df914959dda11131bd80ccec6)
+---
+ proxy/src/gp_util.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/proxy/src/gp_util.c b/proxy/src/gp_util.c
+index ca83eb3..aab56ba 100644
+--- a/proxy/src/gp_util.c
++++ b/proxy/src/gp_util.c
+@@ -12,10 +12,9 @@
+ 
+ bool gp_same(const char *a, const char *b)
+ {
+-    if ((a == b) || strcmp(a, b) == 0) {
++    if (a == b || (a && b && strcmp(a, b) == 0)) {
+         return true;
+     }
+-
+     return false;
+ }
+ 

gssproxy.spec

@@ -1,6 +1,6 @@
 Name:		gssproxy
 Version:	0.7.0
-Release:	9%{?dist}
+Release:	10%{?dist}
 Summary:	GSSAPI Proxy
 
 Group:		System Environment/Libraries
@@ -23,6 +23,7 @@ Patch5: Fix-unused-variables.patch
 Patch6: Fix-segfault-when-no-config-files-are-present.patch
 Patch7: Include-header-for-writev.patch
 Patch8: Make-proc-file-failure-loud-but-nonfatal.patch
+Patch9: Tolerate-NULL-pointers-in-gp_same.patch
 
 ### Dependencies ###
 Requires: krb5-libs >= 1.12.0
@@ -67,6 +68,7 @@ A proxy for GSSAPI credential handling
 %patch6 -p2 -b .Fix-segfault-when-no-config-files-are-present
 %patch7 -p2 -b .Include-header-for-writev
 %patch8 -p2 -b .Make-proc-file-failure-loud-but-nonfatal
+%patch9 -p2 -b .Tolerate-NULL-pointers-in-gp_same
 
 %build
 autoreconf -f -i
@@ -122,6 +124,9 @@ rm -rf %{buildroot}
 %systemd_postun_with_restart gssproxy.service
 
 %changelog
+* Mon Jun 19 2017 Robbie Harwood <rharwood@redhat.com> - 0.7.0-10
+ - Fix potential explicit NULL deref of program name
+
 * Thu May 25 2017 Robbie Harwood <rharwood@redhat.com> - 0.7.0-9
 - Make proc failure loud but nonfatal