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 17static void print_usage(void) 18{ 19 printf( 20 "Usage: nf-ct-list [OPTION]... [CONNTRACK ENTRY]\n" 21 "\n" 22 "Options\n" 23 " -f, --format=TYPE Output format { brief | details | stats }\n" 24 " -h, --help Show this help\n" 25 " -v, --version Show versioning information\n" 26 "\n" 27 "Conntrack Selection\n" 28 " -i, --id=NUM Identifier\n" 29 " -p, --proto=PROTOCOL Protocol\n" 30 " --tcp-state=STATE TCP connection state\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 " --refcnt=NUM Use counter value\n" 43 " --flags Flags\n" 44 ); 45 exit(0); 46} 47 48int main(int argc, char *argv[]) 49{ 50 struct nl_sock *sock; 51 struct nl_cache *ct_cache; 52 struct nfnl_ct *ct; 53 struct nl_dump_params params = { 54 .dp_type = NL_DUMP_LINE, 55 .dp_fd = stdout, 56 }; 57 58 ct = nl_cli_ct_alloc(); 59 60 for (;;) { 61 int c, optidx = 0; 62 enum { 63 ARG_MARK = 257, 64 ARG_TCP_STATE = 258, 65 ARG_ORIG_SRC, 66 ARG_ORIG_SPORT, 67 ARG_ORIG_DST, 68 ARG_ORIG_DPORT, 69 ARG_REPLY_SRC, 70 ARG_REPLY_SPORT, 71 ARG_REPLY_DST, 72 ARG_REPLY_DPORT, 73 ARG_TIMEOUT, 74 ARG_REFCNT, 75 ARG_FLAGS, 76 }; 77 static struct option long_opts[] = { 78 { "format", 1, 0, 'f' }, 79 { "help", 0, 0, 'h' }, 80 { "version", 0, 0, 'v' }, 81 { "id", 1, 0, 'i' }, 82 { "proto", 1, 0, 'p' }, 83 { "tcp-state", 1, 0, ARG_TCP_STATE }, 84 { "orig-src", 1, 0, ARG_ORIG_SRC }, 85 { "orig-sport", 1, 0, ARG_ORIG_SPORT }, 86 { "orig-dst", 1, 0, ARG_ORIG_DST }, 87 { "orig-dport", 1, 0, ARG_ORIG_DPORT }, 88 { "reply-src", 1, 0, ARG_REPLY_SRC }, 89 { "reply-sport", 1, 0, ARG_REPLY_SPORT }, 90 { "reply-dst", 1, 0, ARG_REPLY_DST }, 91 { "reply-dport", 1, 0, ARG_REPLY_DPORT }, 92 { "family", 1, 0, 'F' }, 93 { "mark", 1, 0, ARG_MARK }, 94 { "timeout", 1, 0, ARG_TIMEOUT }, 95 { "refcnt", 1, 0, ARG_REFCNT }, 96 { 0, 0, 0, 0 } 97 }; 98 99 c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx); 100 if (c == -1) 101 break; 102 103 switch (c) { 104 case '?': exit(NLE_INVAL); 105 case '4': nfnl_ct_set_family(ct, AF_INET); break; 106 case '6': nfnl_ct_set_family(ct, AF_INET6); break; 107 case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break; 108 case 'h': print_usage(); break; 109 case 'v': nl_cli_print_version(); break; 110 case 'i': nl_cli_ct_parse_id(ct, optarg); break; 111 case 'p': nl_cli_ct_parse_protocol(ct, optarg); break; 112 case ARG_TCP_STATE: nl_cli_ct_parse_tcp_state(ct, optarg); break; 113 case ARG_ORIG_SRC: nl_cli_ct_parse_src(ct, 0, optarg); break; 114 case ARG_ORIG_SPORT: nl_cli_ct_parse_src_port(ct, 0, optarg); break; 115 case ARG_ORIG_DST: nl_cli_ct_parse_dst(ct, 0, optarg); break; 116 case ARG_ORIG_DPORT: nl_cli_ct_parse_dst_port(ct, 0, optarg); break; 117 case ARG_REPLY_SRC: nl_cli_ct_parse_src(ct, 1, optarg); break; 118 case ARG_REPLY_SPORT: nl_cli_ct_parse_src_port(ct, 1, optarg); break; 119 case ARG_REPLY_DST: nl_cli_ct_parse_dst(ct, 1, optarg); break; 120 case ARG_REPLY_DPORT: nl_cli_ct_parse_dst_port(ct, 1, optarg); break; 121 case 'F': nl_cli_ct_parse_family(ct, optarg); break; 122 case ARG_MARK: nl_cli_ct_parse_mark(ct, optarg); break; 123 case ARG_TIMEOUT: nl_cli_ct_parse_timeout(ct, optarg); break; 124 case ARG_REFCNT: nl_cli_ct_parse_use(ct, optarg); break; 125 case ARG_FLAGS: nl_cli_ct_parse_status(ct, optarg); break; 126 } 127 } 128 129 sock = nl_cli_alloc_socket(); 130 nl_cli_connect(sock, NETLINK_NETFILTER); 131 ct_cache = nl_cli_ct_alloc_cache(sock); 132 133 nl_cache_dump_filter(ct_cache, ¶ms, OBJ_CAST(ct)); 134 135 return 0; 136} 137