lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * src/nf-ct-list.c List Conntrack Entries |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation version 2.1 |
| 7 | * of the License. |
| 8 | * |
| 9 | * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch> |
| 10 | * Copyright (c) 2007 Philip Craig <philipc@snapgear.com> |
| 11 | * Copyright (c) 2007 Secure Computing Corporation |
| 12 | */ |
| 13 | |
| 14 | #include <netlink/cli/utils.h> |
| 15 | #include <netlink/cli/ct.h> |
| 16 | |
| 17 | static int quiet = 0; |
| 18 | |
| 19 | static void print_usage(void) |
| 20 | { |
| 21 | printf( |
| 22 | "Usage: nf-ct-add [OPTION]... [CONNTRACK ENTRY]\n" |
| 23 | "\n" |
| 24 | "Options\n" |
| 25 | " -q, --quiet Do not print informal notifications.\n" |
| 26 | " -h, --help Show this help\n" |
| 27 | " -v, --version Show versioning information\n" |
| 28 | "\n" |
| 29 | "Conntrack Selection\n" |
| 30 | " -p, --proto=PROTOCOL Protocol\n" |
| 31 | " --orig-src=ADDR Original source address\n" |
| 32 | " --orig-sport=PORT Original source port\n" |
| 33 | " --orig-dst=ADDR Original destination address\n" |
| 34 | " --orig-dport=PORT Original destination port\n" |
| 35 | " --reply-src=ADDR Reply source address\n" |
| 36 | " --reply-sport=PORT Reply source port\n" |
| 37 | " --reply-dst=ADDR Reply destination address\n" |
| 38 | " --reply-dport=PORT Reply destination port\n" |
| 39 | " -F, --family=FAMILY Address family\n" |
| 40 | " --mark=NUM Mark value\n" |
| 41 | " --timeout=NUM Timeout value\n" |
| 42 | " --status Bitset representing status of connection.\n" |
| 43 | " --zone=NUM Zone value\n" |
| 44 | ); |
| 45 | exit(0); |
| 46 | } |
| 47 | |
| 48 | int main(int argc, char *argv[]) |
| 49 | { |
| 50 | struct nl_sock *sock; |
| 51 | struct nfnl_ct *ct; |
| 52 | struct nl_dump_params params = { |
| 53 | .dp_type = NL_DUMP_LINE, |
| 54 | .dp_fd = stdout, |
| 55 | }; |
| 56 | int err, nlflags = NLM_F_CREATE; |
| 57 | |
| 58 | ct = nl_cli_ct_alloc(); |
| 59 | |
| 60 | for (;;) { |
| 61 | int c, optidx = 0; |
| 62 | enum { |
| 63 | ARG_ORIG_SRC = 257, |
| 64 | ARG_ORIG_SPORT = 258, |
| 65 | ARG_ORIG_DST, |
| 66 | ARG_ORIG_DPORT, |
| 67 | ARG_REPLY_SRC, |
| 68 | ARG_REPLY_SPORT, |
| 69 | ARG_REPLY_DST, |
| 70 | ARG_REPLY_DPORT, |
| 71 | ARG_MARK, |
| 72 | ARG_TIMEOUT, |
| 73 | ARG_STATUS, |
| 74 | ARG_ZONE, |
| 75 | }; |
| 76 | static struct option long_opts[] = { |
| 77 | { "quiet", 0, 0, 'q' }, |
| 78 | { "help", 0, 0, 'h' }, |
| 79 | { "version", 0, 0, 'v' }, |
| 80 | { "proto", 1, 0, 'p' }, |
| 81 | { "orig-src", 1, 0, ARG_ORIG_SRC }, |
| 82 | { "orig-sport", 1, 0, ARG_ORIG_SPORT }, |
| 83 | { "orig-dst", 1, 0, ARG_ORIG_DST }, |
| 84 | { "orig-dport", 1, 0, ARG_ORIG_DPORT }, |
| 85 | { "reply-src", 1, 0, ARG_REPLY_SRC }, |
| 86 | { "reply-sport", 1, 0, ARG_REPLY_SPORT }, |
| 87 | { "reply-dst", 1, 0, ARG_REPLY_DST }, |
| 88 | { "reply-dport", 1, 0, ARG_REPLY_DPORT }, |
| 89 | { "family", 1, 0, 'F' }, |
| 90 | { "mark", 1, 0, ARG_MARK }, |
| 91 | { "timeout", 1, 0, ARG_TIMEOUT }, |
| 92 | { "status", 1, 0, ARG_STATUS }, |
| 93 | { "zone", 1, 0, ARG_ZONE }, |
| 94 | { 0, 0, 0, 0 } |
| 95 | }; |
| 96 | |
| 97 | c = getopt_long(argc, argv, "46q:hv:p:F:", long_opts, &optidx); |
| 98 | if (c == -1) |
| 99 | break; |
| 100 | |
| 101 | switch (c) { |
| 102 | case '?': exit(NLE_INVAL); |
| 103 | case 'q': quiet = 1; break; |
| 104 | case '4': nfnl_ct_set_family(ct, AF_INET); break; |
| 105 | case '6': nfnl_ct_set_family(ct, AF_INET6); break; |
| 106 | case 'h': print_usage(); break; |
| 107 | case 'v': nl_cli_print_version(); break; |
| 108 | case 'p': nl_cli_ct_parse_protocol(ct, optarg); break; |
| 109 | case ARG_ORIG_SRC: nl_cli_ct_parse_src(ct, 0, optarg); break; |
| 110 | case ARG_ORIG_SPORT: nl_cli_ct_parse_src_port(ct, 0, optarg); break; |
| 111 | case ARG_ORIG_DST: nl_cli_ct_parse_dst(ct, 0, optarg); break; |
| 112 | case ARG_ORIG_DPORT: nl_cli_ct_parse_dst_port(ct, 0, optarg); break; |
| 113 | case ARG_REPLY_SRC: nl_cli_ct_parse_src(ct, 1, optarg); break; |
| 114 | case ARG_REPLY_SPORT: nl_cli_ct_parse_src_port(ct, 1, optarg); break; |
| 115 | case ARG_REPLY_DST: nl_cli_ct_parse_dst(ct, 1, optarg); break; |
| 116 | case ARG_REPLY_DPORT: nl_cli_ct_parse_dst_port(ct, 1, optarg); break; |
| 117 | case 'F': nl_cli_ct_parse_family(ct, optarg); break; |
| 118 | case ARG_MARK: nl_cli_ct_parse_mark(ct, optarg); break; |
| 119 | case ARG_TIMEOUT: nl_cli_ct_parse_timeout(ct, optarg); break; |
| 120 | case ARG_STATUS: nl_cli_ct_parse_status(ct, optarg); break; |
| 121 | case ARG_ZONE: nl_cli_ct_parse_zone(ct, optarg); break; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | if (!quiet) { |
| 126 | printf("Adding "); |
| 127 | nl_object_dump(OBJ_CAST(ct), ¶ms); |
| 128 | } |
| 129 | |
| 130 | sock = nl_cli_alloc_socket(); |
| 131 | nl_cli_connect(sock, NETLINK_NETFILTER); |
| 132 | |
| 133 | if ((err = nfnl_ct_add(sock, ct, nlflags)) < 0) |
| 134 | nl_cli_fatal(err, "Unable to add conntrack: %s", nl_geterror(err)); |
| 135 | |
| 136 | if (!quiet) { |
| 137 | printf("Added "); |
| 138 | nl_object_dump(OBJ_CAST(ct), ¶ms); |
| 139 | } |
| 140 | |
| 141 | return 0; |
| 142 | } |