getifaddrs may return NULL ifa_addr (tt#31)

- Resolves rhbz#696509

.gitignore

@@ -0,0 +1 @@
+/omping-0.0.1.tar.gz

omping-001-getifaddrs-may-return-NULL-ifa_addr.patch

@@ -0,0 +1,32 @@
+From 220749b10250154f95aa05c8b948cbe7015a2daa Mon Sep 17 00:00:00 2001
+From: Jan Friesse <jfriesse@redhat.com>
+Date: Thu, 14 Apr 2011 13:53:08 +0200
+Subject: [PATCH] getifaddrs may return NULL ifa_addr
+
+Such ifa_addr is then dereferenced to find out address family.
+Proper check is added now.
+
+Resolves: tt#31
+---
+ addrfunc.c |    5 +++--
+ 1 files changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/addrfunc.c b/addrfunc.c
+index d6aa3cb..77fac4c 100644
+--- a/addrfunc.c
++++ b/addrfunc.c
+@@ -260,8 +260,9 @@ af_find_local_ai(const struct ai_list *ai_list, int *ip_ver, struct ifaddrs **if
+ 	TAILQ_FOREACH(aip, ai_list, entries) {
+ 		for (ai_i = aip->ai; ai_i != NULL; ai_i = ai_i->ai_next) {
+ 			for (ifa_i = ifa; ifa_i != NULL; ifa_i = ifa_i->ifa_next) {
+-				if (ifa_i->ifa_addr->sa_family != AF_INET &&
+-				    ifa_i->ifa_addr->sa_family != AF_INET6) {
++				if (ifa_i->ifa_addr == NULL ||
++				    (ifa_i->ifa_addr->sa_family != AF_INET &&
++				    ifa_i->ifa_addr->sa_family != AF_INET6)) {
+ 					continue ;
+ 				}
+ 
+-- 
+1.7.3.4
+

omping.spec

@@ -0,0 +1,44 @@
+Name: omping
+Version: 0.0.1
+Release: 3%{?dist}
+Summary: Utility to test IP multicast functionality
+Group: Applications/Internet
+License: ISC
+URL: http://fedorahosted.org/omping/
+Source0: http://fedorahosted.org/releases/o/m/omping/%{name}-%{version}.tar.gz
+Patch0: omping-001-getifaddrs-may-return-NULL-ifa_addr.patch
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+
+%description
+Omping (Open Multicast Ping) is tool to test IP multicast functionality
+primarily in local network.
+
+%prep
+%setup -q
+%patch0 -p1
+
+%build
+make %{?_smp_mflags} CFLAGS="%{optflags}"
+
+%install
+rm -rf %{buildroot}
+make DESTDIR="%{buildroot}" PREFIX="%{_prefix}" install
+
+%clean
+rm -rf %{buildroot}
+
+%files
+%defattr(-,root,root,-)
+%doc AUTHORS COPYING
+%{_bindir}/%{name}
+%{_mandir}/man8/*
+
+%changelog
+* Wed Apr 14 2011 Jan Friesse <jfriesse@redhat.com> - 0.0.1-3
+- Resolves rhbz#696509
+
+* Wed Nov 24 2010 Jan Friesse <jfriesse@redhat.com> - 0.0.1-2
+- Change hard coded prefix path to macro
+
+* Fri Nov 19 2010 Jan Friesse <jfriesse@redhat.com> - 0.0.1-1
+- Initial package for Fedora

sources

@@ -0,0 +1 @@
+9d1c4e66ae6f35b4ace6dbcc94eb66cb  omping-0.0.1.tar.gz