[Midnightbsd-cvs] src [7343] stable/0.7: Revised rpcbind(8) patch to fix issues with NIS

[laffer1 at midnightbsd.org]

Revision: 7343
          http://svnweb.midnightbsd.org/src/?rev=7343
Author:   laffer1
Date:     2015-10-02 22:21:32 -0400 (Fri, 02 Oct 2015)
Log Message:
-----------
Revised rpcbind(8) patch to fix issues with NIS

Modified Paths:
--------------
    stable/0.7/UPDATING
    stable/0.7/usr.sbin/rpcbind/rpcb_svc_com.c

Modified: stable/0.7/UPDATING
===================================================================
--- stable/0.7/UPDATING	2015-10-03 02:19:48 UTC (rev 7342)
+++ stable/0.7/UPDATING	2015-10-03 02:21:32 UTC (rev 7343)
@@ -1,5 +1,8 @@
 Updating Information for MidnightBSD users.
 
+20151002:
+	Revised rpcbind(8) patch to fix issues with NIS
+
 20150930:
 	0.7.1 RELEASE
         rpcbind(8) remote denial of service

Modified: stable/0.7/usr.sbin/rpcbind/rpcb_svc_com.c
===================================================================
--- stable/0.7/usr.sbin/rpcbind/rpcb_svc_com.c	2015-10-03 02:19:48 UTC (rev 7342)
+++ stable/0.7/usr.sbin/rpcbind/rpcb_svc_com.c	2015-10-03 02:21:32 UTC (rev 7343)
@@ -1053,12 +1053,15 @@
 netbuf_copybuf(struct netbuf *dst, const struct netbuf *src)
 {
 
-	assert(dst->buf == NULL);
+	if (dst->len != src->len || dst->buf == NULL) {
+		if (dst->buf != NULL)
+			free(dst->buf);
+		if ((dst->buf = malloc(src->len)) == NULL)
+			return (FALSE);
 
-	if ((dst->buf = malloc(src->len)) == NULL)
-		return (FALSE);
+		dst->maxlen = dst->len = src->len;
+	}
 
-	dst->maxlen = dst->len = src->len;
 	memcpy(dst->buf, src->buf, src->len);
 	return (TRUE);
 }