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authorArturo Borrero <arturo.borrero.glez@gmail.com>2014-02-26 19:13:26 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2014-02-27 10:35:08 +0100
commitcfe671fa741c9669cadc5dfbf9ae63eb440601cf (patch)
treeeadb2e1a0242a4a49808327efa1e05bc19f8726f /src/table.c
parent313c702ad8700ee5a959d81fd5b2da38e161c278 (diff)
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 <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/table.c')
-rw-r--r--src/table.c4
1 files changed, 3 insertions, 1 deletions
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);