137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
/*
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* src/nf-ct-list.c List Conntrack Entries
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
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* Copyright (c) 2007 Philip Craig <philipc@snapgear.com>
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* Copyright (c) 2007 Secure Computing Corporation
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*/
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#include <netlink/cli/utils.h>
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#include <netlink/cli/ct.h>
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static void print_usage(void)
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{
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printf(
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"Usage: nf-ct-list [OPTION]... [CONNTRACK ENTRY]\n"
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"\n"
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"Options\n"
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" -f, --format=TYPE Output format { brief | details | stats }\n"
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" -h, --help Show this help\n"
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" -v, --version Show versioning information\n"
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"\n"
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"Conntrack Selection\n"
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" -i, --id=NUM Identifier\n"
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" -p, --proto=PROTOCOL Protocol\n"
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" --tcp-state=STATE TCP connection state\n"
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" --orig-src=ADDR Original source address\n"
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" --orig-sport=PORT Original source port\n"
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" --orig-dst=ADDR Original destination address\n"
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" --orig-dport=PORT Original destination port\n"
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" --reply-src=ADDR Reply source address\n"
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" --reply-sport=PORT Reply source port\n"
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" --reply-dst=ADDR Reply destination address\n"
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" --reply-dport=PORT Reply destination port\n"
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" -F, --family=FAMILY Address family\n"
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" --mark=NUM Mark value\n"
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" --timeout=NUM Timeout value\n"
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" --refcnt=NUM Use counter value\n"
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" --flags Flags\n"
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);
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exit(0);
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}
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int main(int argc, char *argv[])
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{
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struct nl_sock *sock;
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struct nl_cache *ct_cache;
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struct nfnl_ct *ct;
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struct nl_dump_params params = {
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.dp_type = NL_DUMP_LINE,
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.dp_fd = stdout,
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};
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ct = nl_cli_ct_alloc();
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for (;;) {
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int c, optidx = 0;
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enum {
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ARG_MARK = 257,
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ARG_TCP_STATE = 258,
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ARG_ORIG_SRC,
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ARG_ORIG_SPORT,
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ARG_ORIG_DST,
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ARG_ORIG_DPORT,
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ARG_REPLY_SRC,
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ARG_REPLY_SPORT,
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ARG_REPLY_DST,
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ARG_REPLY_DPORT,
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ARG_TIMEOUT,
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ARG_REFCNT,
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ARG_FLAGS,
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};
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static struct option long_opts[] = {
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{ "format", 1, 0, 'f' },
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{ "help", 0, 0, 'h' },
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{ "version", 0, 0, 'v' },
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{ "id", 1, 0, 'i' },
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{ "proto", 1, 0, 'p' },
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{ "tcp-state", 1, 0, ARG_TCP_STATE },
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{ "orig-src", 1, 0, ARG_ORIG_SRC },
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{ "orig-sport", 1, 0, ARG_ORIG_SPORT },
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{ "orig-dst", 1, 0, ARG_ORIG_DST },
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{ "orig-dport", 1, 0, ARG_ORIG_DPORT },
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{ "reply-src", 1, 0, ARG_REPLY_SRC },
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{ "reply-sport", 1, 0, ARG_REPLY_SPORT },
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{ "reply-dst", 1, 0, ARG_REPLY_DST },
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{ "reply-dport", 1, 0, ARG_REPLY_DPORT },
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{ "family", 1, 0, 'F' },
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{ "mark", 1, 0, ARG_MARK },
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{ "timeout", 1, 0, ARG_TIMEOUT },
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{ "refcnt", 1, 0, ARG_REFCNT },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx);
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if (c == -1)
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break;
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switch (c) {
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case '?': exit(NLE_INVAL);
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case '4': nfnl_ct_set_family(ct, AF_INET); break;
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case '6': nfnl_ct_set_family(ct, AF_INET6); break;
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case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
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case 'h': print_usage(); break;
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case 'v': nl_cli_print_version(); break;
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case 'i': nl_cli_ct_parse_id(ct, optarg); break;
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case 'p': nl_cli_ct_parse_protocol(ct, optarg); break;
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case ARG_TCP_STATE: nl_cli_ct_parse_tcp_state(ct, optarg); break;
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case ARG_ORIG_SRC: nl_cli_ct_parse_src(ct, 0, optarg); break;
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case ARG_ORIG_SPORT: nl_cli_ct_parse_src_port(ct, 0, optarg); break;
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case ARG_ORIG_DST: nl_cli_ct_parse_dst(ct, 0, optarg); break;
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case ARG_ORIG_DPORT: nl_cli_ct_parse_dst_port(ct, 0, optarg); break;
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case ARG_REPLY_SRC: nl_cli_ct_parse_src(ct, 1, optarg); break;
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case ARG_REPLY_SPORT: nl_cli_ct_parse_src_port(ct, 1, optarg); break;
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case ARG_REPLY_DST: nl_cli_ct_parse_dst(ct, 1, optarg); break;
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case ARG_REPLY_DPORT: nl_cli_ct_parse_dst_port(ct, 1, optarg); break;
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case 'F': nl_cli_ct_parse_family(ct, optarg); break;
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case ARG_MARK: nl_cli_ct_parse_mark(ct, optarg); break;
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case ARG_TIMEOUT: nl_cli_ct_parse_timeout(ct, optarg); break;
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case ARG_REFCNT: nl_cli_ct_parse_use(ct, optarg); break;
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case ARG_FLAGS: nl_cli_ct_parse_status(ct, optarg); break;
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}
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}
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sock = nl_cli_alloc_socket();
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nl_cli_connect(sock, NETLINK_NETFILTER);
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ct_cache = nl_cli_ct_alloc_cache(sock);
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nl_cache_dump_filter(ct_cache, ¶ms, OBJ_CAST(ct));
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return 0;
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}
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