diff options
| author | Phil Sutter <phil@nwl.cc> | 2018-08-31 12:29:57 +0200 |
|---|---|---|
| committer | Florian Westphal <fw@strlen.de> | 2018-09-01 10:12:40 +0200 |
| commit | b6a06c1a215f867f7eee4a3f2f40ec14028fe186 (patch) | |
| tree | a941776217826cb296c2477e403747f8397437a1 /iptables/nft.c | |
| parent | 3bb497c61d743ba811e7f501e54cc5071216e1f5 (diff) | |
xtables: Align return codes with legacy iptables
Make sure return codes match legacy ones at least for a few selected
commands typically used to check ruleset state.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'iptables/nft.c')
| -rw-r--r-- | iptables/nft.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/iptables/nft.c b/iptables/nft.c index b2165069..7123060b 100644 --- a/iptables/nft.c +++ b/iptables/nft.c @@ -1725,6 +1725,21 @@ nft_chain_find(struct nft_handle *h, const char *table, const char *chain) return nft_chain_list_find(list, table, chain); } +bool nft_chain_exists(struct nft_handle *h, + const char *table, const char *chain) +{ + struct builtin_table *t = nft_table_builtin_find(h, table); + + /* xtables does not support custom tables */ + if (!t) + return false; + + if (nft_chain_builtin_find(t, chain)) + return true; + + return !!nft_chain_find(h, table, chain); +} + int nft_chain_user_rename(struct nft_handle *h,const char *chain, const char *table, const char *newname) { |