diff options
Diffstat (limited to 'iptables/nft-ipv4.c')
| -rw-r--r-- | iptables/nft-ipv4.c | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/iptables/nft-ipv4.c b/iptables/nft-ipv4.c index 0a601243..51ee422c 100644 --- a/iptables/nft-ipv4.c +++ b/iptables/nft-ipv4.c @@ -298,12 +298,59 @@ static uint8_t nft_ipv4_print_firewall(const struct iptables_command_state *cs, return cs->fw.ip.flags; } +static void nft_ipv4_post_parse(int command, + struct iptables_command_state *cs, + struct xtables_args *args) +{ + cs->fw.ip.proto = args->proto; + cs->fw.ip.invflags = args->invflags; + cs->fw.ip.flags = args->flags; + + strncpy(cs->fw.ip.iniface, args->iniface, IFNAMSIZ); + memcpy(cs->fw.ip.iniface_mask, + args->iniface_mask, IFNAMSIZ*sizeof(unsigned char)); + + strncpy(cs->fw.ip.outiface, args->outiface, IFNAMSIZ); + memcpy(cs->fw.ip.outiface_mask, + args->outiface_mask, IFNAMSIZ*sizeof(unsigned char)); + + if (args->goto_set) + cs->fw.ip.flags |= IPT_F_GOTO; + + cs->counters.pcnt = args->pcnt_cnt; + cs->counters.bcnt = args->bcnt_cnt; + + if (command & (CMD_REPLACE | CMD_INSERT | + CMD_DELETE | CMD_APPEND | CMD_CHECK)) { + if (!(cs->options & OPT_DESTINATION)) + args->dhostnetworkmask = "0.0.0.0/0"; + if (!(cs->options & OPT_SOURCE)) + args->shostnetworkmask = "0.0.0.0/0"; + } + + if (args->shostnetworkmask) + xtables_ipparse_multiple(args->shostnetworkmask, + &args->s.addr.v4, &args->s.mask.v4, + &args->s.naddrs); + if (args->dhostnetworkmask) + xtables_ipparse_multiple(args->dhostnetworkmask, + &args->d.addr.v4, &args->d.mask.v4, + &args->d.naddrs); + + if ((args->s.naddrs > 1 || args->d.naddrs > 1) && + (cs->fw.ip.invflags & (IPT_INV_SRCIP | IPT_INV_DSTIP))) + xtables_error(PARAMETER_PROBLEM, + "! not allowed with multiple" + " source or destination IP addresses"); +} + struct nft_family_ops nft_family_ops_ipv4 = { .add = nft_ipv4_add, .is_same = nft_ipv4_is_same, .print_payload = nft_ipv4_print_payload, .parse_meta = nft_ipv4_parse_meta, .parse_payload = nft_ipv4_parse_payload, - .parse_immediate = nft_ipv4_parse_immediate, - .print_firewall = nft_ipv4_print_firewall, + .parse_immediate = nft_ipv4_parse_immediate, + .print_firewall = nft_ipv4_print_firewall, + .post_parse = nft_ipv4_post_parse, }; |