From: Alvaro Neira <alvaroneay@gmail.com>
Date: Mon, 2 Mar 2015 19:58:38 +0000 (+0100)
Subject: xml: test if the root node name is initialized
X-Git-Tag: libnftnl-1.0.4~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bb1fdcbea31a3e774dda646f2aeecaa7ea1ef51;p=thirdparty%2Flibnftnl.git

xml: test if the root node name is initialized

If the root node name is missing, we have a crash.

Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/src/mxml.c b/src/mxml.c
index 0001ba0e..b68f86f4 100644
--- a/src/mxml.c
+++ b/src/mxml.c
@@ -43,7 +43,8 @@ mxml_node_t *nft_mxml_build_tree(const void *data, const char *treename,
 		goto err;
 	}
 
-	if (strcmp(tree->value.opaque, treename) == 0)
+	if (tree->value.opaque != NULL &&
+	    strcmp(tree->value.opaque, treename) == 0)
 		return tree;
 
 	err->error = NFT_PARSE_EMISSINGNODE;