diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-06-10 14:47:53 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-06-15 13:26:21 +0200 |
| commit | b674a8e78bf21985a05e17a3038f670bd8f46482 (patch) | |
| tree | c7372a22e1bc682b8a9f31b63c9e3b6700f53e68 /src/chain.c | |
| parent | 8f4de3888ce74607d4754fe5a1a8f470af409c09 (diff) | |
src: check for strdup() errors from setters and parsers
And pass up an error to the caller.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/chain.c')
| -rw-r--r-- | src/chain.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/chain.c b/src/chain.c index 46c5cd8..f5433d6 100644 --- a/src/chain.c +++ b/src/chain.c @@ -519,6 +519,8 @@ static int nftnl_chain_parse_hook(struct nlattr *attr, struct nftnl_chain *c) } if (tb[NFTA_HOOK_DEV]) { c->dev = strdup(mnl_attr_get_str(tb[NFTA_HOOK_DEV])); + if (!c->dev) + return -1; c->flags |= (1 << NFTNL_CHAIN_DEV); } @@ -542,6 +544,8 @@ int nftnl_chain_nlmsg_parse(const struct nlmsghdr *nlh, struct nftnl_chain *c) if (tb[NFTA_CHAIN_TABLE]) { xfree(c->table); c->table = strdup(mnl_attr_get_str(tb[NFTA_CHAIN_TABLE])); + if (!c->table) + return -1; c->flags |= (1 << NFTNL_CHAIN_TABLE); } if (tb[NFTA_CHAIN_HOOK]) { @@ -569,6 +573,8 @@ int nftnl_chain_nlmsg_parse(const struct nlmsghdr *nlh, struct nftnl_chain *c) if (tb[NFTA_CHAIN_TYPE]) { xfree(c->type); c->type = strdup(mnl_attr_get_str(tb[NFTA_CHAIN_TYPE])); + if (!c->type) + return -1; c->flags |= (1 << NFTNL_CHAIN_TYPE); } |