Applied -gethost patch to check return value

(rhbz#698619)

yp-tools-2.12-gethost.patch

@@ -0,0 +1,33 @@
+diff -up yp-tools-2.12/src/yppoll.c.gethost yp-tools-2.12/src/yppoll.c
+--- yp-tools-2.12/src/yppoll.c.gethost	2001-12-08 20:59:10.000000000 +0100
++++ yp-tools-2.12/src/yppoll.c	2011-05-04 16:18:08.371772310 +0200
+@@ -218,7 +218,10 @@ main (int argc, char **argv)
+ 
+       hent = gethostbyaddr ((char *)&clnt_saddr.sin_addr.s_addr,
+ 			    sizeof (clnt_saddr.sin_addr.s_addr), AF_INET);
+-      hostname = strdup (hent->h_name);
++      if (hent)
++	{
++          hostname = strdup (hent->h_name);
++      	}
+     }
+   else
+     {
+@@ -261,7 +264,7 @@ main (int argc, char **argv)
+ 			   &clnt_sock);
+   if (client == NULL)
+     {
+-      fprintf (stderr, _("Can't create connection to %s.\n"), hostname);
++      fprintf (stderr, _("Can't create connection to %s.\n"), hostname ? hostname : "unknown");
+       return 1;
+     }
+ 
+@@ -279,7 +282,7 @@ main (int argc, char **argv)
+   if (clnt_res != TRUE)
+     {
+       fprintf (stdout, _("Domain %s is not supported by %s.\n"), domainname,
+-	       hostname);
++	       hostname ? hostname : "unknown");
+       return 1;
+     }
+ 

yp-tools.spec

@@ -1,13 +1,14 @@
 Summary: NIS (or YP) client programs
 Name: yp-tools
 Version: 2.12
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: GPLv2
 Group: System Environment/Base
 Source: ftp://ftp.kernel.org/pub/linux/utils/net/NIS/yp-tools-%{version}.tar.bz2
 # Not sent to upstream
 Patch0: yp-tools-2.11-shadow.patch
 Patch1: yp-tools-2.12-typo.patch
+Patch2: yp-tools-2.12-gethost.patch
 Url: http://www.linux-nis.org/nis/yp-tools/index.html
 Requires: ypbind
 
@@ -35,6 +36,7 @@ you'll need to install the ypserv package on one machine on the network.
 %setup -q
 %patch0 -p1 -b .shadow
 %patch1 -p1 -b .typo
+%patch2 -p1 -b .gethost
 
 %build
 %configure --disable-domainname
@@ -56,6 +58,10 @@ make DESTDIR="$RPM_BUILD_ROOT" INSTALL_PROGRAM=install install
 /var/yp/nicknames
 
 %changelog
+* Wed May 04 2011 Honza Horak <hhorak@redhat.com> - 2.12-6
+- Applied -gethost patch to check return value
+  (rhbz#698619)
+
 * Fri Mar 18 2011 Honza Horak <hhorak@redhat.com> - 2.12-5
 - Applied -typo patch to fix a grammar mistake
   (rhbz#668743)