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