From cfe671fa741c9669cadc5dfbf9ae63eb440601cf Mon Sep 17 00:00:00 2001 From: Arturo Borrero Date: Wed, 26 Feb 2014 19:13:26 +0100 Subject: src: check if netlink parsing fails We have to check if mnl_attr_parse() returns an error, which means that it failed to validate and retrieve the attributes. Signed-off-by: Arturo Borrero Gonzalez Signed-off-by: Pablo Neira Ayuso --- src/table.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/table.c') diff --git a/src/table.c b/src/table.c index 0299209..7a85b9e 100644 --- a/src/table.c +++ b/src/table.c @@ -234,7 +234,9 @@ int nft_table_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_table *t) struct nlattr *tb[NFTA_TABLE_MAX+1] = {}; struct nfgenmsg *nfg = mnl_nlmsg_get_payload(nlh); - mnl_attr_parse(nlh, sizeof(*nfg), nft_table_parse_attr_cb, tb); + if (mnl_attr_parse(nlh, sizeof(*nfg), nft_table_parse_attr_cb, tb) < 0) + return -1; + if (tb[NFTA_TABLE_NAME]) { t->name = strdup(mnl_attr_get_str(tb[NFTA_TABLE_NAME])); t->flags |= (1 << NFT_TABLE_ATTR_NAME); -- cgit v1.2.3