netfilter: nf_tables: set names cannot be larger than 15 bytes

Currently, nf_tables trims off the set name if it exceeeds 15
bytes, so explicitly reject set names that are too large.

Reported-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2014-03-24 15:10:37 +01:00
parent 223b02d923
commit a9bdd83656
1 changed files with 2 additions and 1 deletions

View File

@ -1946,7 +1946,8 @@ static const struct nft_set_ops *nft_select_set_ops(const struct nlattr * const
static const struct nla_policy nft_set_policy[NFTA_SET_MAX + 1] = { static const struct nla_policy nft_set_policy[NFTA_SET_MAX + 1] = {
[NFTA_SET_TABLE] = { .type = NLA_STRING }, [NFTA_SET_TABLE] = { .type = NLA_STRING },
[NFTA_SET_NAME] = { .type = NLA_STRING }, [NFTA_SET_NAME] = { .type = NLA_STRING,
.len = IFNAMSIZ - 1 },
[NFTA_SET_FLAGS] = { .type = NLA_U32 }, [NFTA_SET_FLAGS] = { .type = NLA_U32 },
[NFTA_SET_KEY_TYPE] = { .type = NLA_U32 }, [NFTA_SET_KEY_TYPE] = { .type = NLA_U32 },
[NFTA_SET_KEY_LEN] = { .type = NLA_U32 }, [NFTA_SET_KEY_LEN] = { .type = NLA_U32 },