diff options
Diffstat (limited to 'iptables/nft.c')
| -rw-r--r-- | iptables/nft.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/iptables/nft.c b/iptables/nft.c index ee3d142b..83d373c9 100644 --- a/iptables/nft.c +++ b/iptables/nft.c @@ -2063,16 +2063,30 @@ int nft_rule_delete(struct nft_handle *h, const char *chain, static struct nftnl_rule * nft_rule_add(struct nft_handle *h, const char *chain, const char *table, struct iptables_command_state *cs, - uint64_t handle, bool verbose) + struct nftnl_rule *ref, bool verbose) { struct nftnl_rule *r; + uint64_t ref_id; r = nft_rule_new(h, chain, table, cs); if (r == NULL) return NULL; - if (handle > 0) - nftnl_rule_set_u64(r, NFTNL_RULE_POSITION, handle); + if (ref) { + ref_id = nftnl_rule_get_u64(ref, NFTNL_RULE_HANDLE); + if (ref_id > 0) { + nftnl_rule_set_u64(r, NFTNL_RULE_POSITION, ref_id); + DEBUGP("adding after rule handle %"PRIu64"\n", ref_id); + } else { + ref_id = nftnl_rule_get_u32(ref, NFTNL_RULE_ID); + if (!ref_id) { + ref_id = ++h->rule_id; + nftnl_rule_set_u32(ref, NFTNL_RULE_ID, ref_id); + } + nftnl_rule_set_u32(r, NFTNL_RULE_POSITION_ID, ref_id); + DEBUGP("adding after rule ID %"PRIu64"\n", ref_id); + } + } if (batch_rule_add(h, NFT_COMPAT_RULE_INSERT, r) < 0) { nftnl_rule_free(r); @@ -2088,9 +2102,8 @@ nft_rule_add(struct nft_handle *h, const char *chain, int nft_rule_insert(struct nft_handle *h, const char *chain, const char *table, void *data, int rulenum, bool verbose) { - struct nftnl_rule *r, *new_rule; + struct nftnl_rule *r = NULL, *new_rule; struct nftnl_chain *c; - uint64_t handle = 0; /* If built-in chains don't exist for this table, create them */ if (nft_xtables_config_load(h, XTABLES_CONFIG_DEFAULT, 0) < 0) @@ -2118,16 +2131,13 @@ int nft_rule_insert(struct nft_handle *h, const char *chain, errno = ENOENT; goto err; } - - handle = nftnl_rule_get_u64(r, NFTNL_RULE_HANDLE); - DEBUGP("adding after rule handle %"PRIu64"\n", handle); } - new_rule = nft_rule_add(h, chain, table, data, handle, verbose); + new_rule = nft_rule_add(h, chain, table, data, r, verbose); if (!new_rule) goto err; - if (handle) + if (r) nftnl_chain_rule_insert_at(new_rule, r); else nftnl_chain_rule_add(new_rule, c); |