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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
* Copyright (c) 2012 Rich Fought <rich.fought@watchguard.com>
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/exp.h>
#include <linux/netlink.h>
static int quiet = 0;
static void print_usage(void)
{
printf(
"Usage: nf-exp-list [OPTION]... [CONNTRACK ENTRY]\n"
"\n"
"Options\n"
" --replace Replace the address if it exists.\n"
" -q, --quiet Do not print informal notifications.\n"
" -h, --help Show this help\n"
" -v, --version Show versioning information\n"
"\n"
"Expectation Selection\n"
" -i, --id=NUM Identifier\n"
" --expect-proto=PROTOCOL Expectation protocol\n"
" --expect-src=ADDR Expectation source address\n"
" --expect-sport=PORT Expectation source port\n"
" --expect-dst=ADDR Expectation destination address\n"
" --expect-dport=PORT Expectation destination port\n"
" --master-proto=PROTOCOL Master conntrack protocol\n"
" --master-src=ADDR Master conntrack source address\n"
" --master-sport=PORT Master conntrack source port\n"
" --master-dst=ADDR Master conntrack destination address\n"
" --master-dport=PORT Master conntrack destination port\n"
" --mask-proto=PROTOCOL Mask protocol\n"
" --mask-src=ADDR Mask source address\n"
" --mask-sport=PORT Mask source port\n"
" --mask-dst=ADDR Mask destination address\n"
" --mask-dport=PORT Mask destination port\n"
" -F, --family=FAMILY Address family\n"
" --timeout=NUM Timeout value\n"
" --helper=STRING Helper Name\n"
" --flags Flags (Kernel 2.6.37)\n"
);
exit(0);
}
int main(int argc, char *argv[])
{
struct nl_sock *sock;
struct nfnl_exp *exp;
struct nl_dump_params params = {
.dp_type = NL_DUMP_LINE,
.dp_fd = stdout,
};
int err, nlflags = NLM_F_CREATE;
exp = nl_cli_exp_alloc();
for (;;) {
int c, optidx = 0;
enum {
ARG_MARK = 270,
ARG_TCP_STATE = 271,
ARG_EXPECT_PROTO,
ARG_EXPECT_SRC,
ARG_EXPECT_SPORT,
ARG_EXPECT_DST,
ARG_EXPECT_DPORT,
ARG_MASTER_PROTO,
ARG_MASTER_SRC,
ARG_MASTER_SPORT,
ARG_MASTER_DST,
ARG_MASTER_DPORT,
ARG_MASK_PROTO,
ARG_MASK_SRC,
ARG_MASK_SPORT,
ARG_MASK_DST,
ARG_MASK_DPORT,
ARG_NAT_PROTO,
ARG_NAT_SRC,
ARG_NAT_SPORT,
ARG_NAT_DST,
ARG_NAT_DPORT,
ARG_NAT_DIR,
ARG_TIMEOUT,
ARG_HELPER_NAME,
ARG_REPLACE,
ARG_FLAGS,
};
static struct option long_opts[] = {
{ "replace", 1, 0, ARG_REPLACE },
{ "quiet", 0, 0, 'q' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "id", 1, 0, 'i' },
{ "expect-proto", 1, 0, ARG_EXPECT_PROTO },
{ "expect-src", 1, 0, ARG_EXPECT_SRC },
{ "expect-sport", 1, 0, ARG_EXPECT_SPORT },
{ "expect-dst", 1, 0, ARG_EXPECT_DST },
{ "expect-dport", 1, 0, ARG_EXPECT_DPORT },
{ "master-proto", 1, 0, ARG_MASTER_PROTO },
{ "master-src", 1, 0, ARG_MASTER_SRC },
{ "master-sport", 1, 0, ARG_MASTER_SPORT },
{ "master-dst", 1, 0, ARG_MASTER_DST },
{ "master-dport", 1, 0, ARG_MASTER_DPORT },
{ "mask-proto", 1, 0, ARG_MASK_PROTO },
{ "mask-src", 1, 0, ARG_MASK_SRC },
{ "mask-sport", 1, 0, ARG_MASK_SPORT },
{ "mask-dst", 1, 0, ARG_MASK_DST },
{ "mask-dport", 1, 0, ARG_MASK_DPORT },
{ "nat-proto", 1, 0, ARG_NAT_PROTO },
{ "nat-src", 1, 0, ARG_NAT_SRC },
{ "nat-sport", 1, 0, ARG_NAT_SPORT },
{ "nat-dst", 1, 0, ARG_NAT_DST },
{ "nat-dport", 1, 0, ARG_NAT_DPORT },
{ "nat-dir", 1, 0, ARG_NAT_DIR },
{ "family", 1, 0, 'F' },
{ "timeout", 1, 0, ARG_TIMEOUT },
{ "helper", 1, 0, ARG_HELPER_NAME },
{ "flags", 1, 0, ARG_FLAGS},
{ 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 ARG_REPLACE: nlflags |= NLM_F_REPLACE; break;
case 'q': quiet = 1; break;
case '4': nfnl_exp_set_family(exp, AF_INET); break;
case '6': nfnl_exp_set_family(exp, AF_INET6); break;
case 'h': print_usage(); break;
case 'v': nl_cli_print_version(); break;
case 'i': nl_cli_exp_parse_id(exp, optarg); break;
case ARG_EXPECT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
case ARG_EXPECT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
case ARG_EXPECT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
case ARG_EXPECT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
case ARG_EXPECT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
case ARG_MASTER_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
case ARG_MASTER_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
case ARG_MASTER_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
case ARG_MASTER_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
case ARG_MASTER_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
case ARG_MASK_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_MASK_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_MASK_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_MASK_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_MASK_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_NAT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_DIR: nl_cli_exp_parse_nat_dir(exp, optarg); break;
case 'F': nl_cli_exp_parse_family(exp, optarg); break;
case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;
case ARG_FLAGS: nl_cli_exp_parse_flags(exp, optarg); break;
}
}
sock = nl_cli_alloc_socket();
nl_cli_connect(sock, NETLINK_NETFILTER);
if ((err = nfnl_exp_add(sock, exp, nlflags)) < 0)
nl_cli_fatal(err, "Unable to add expectation: %s", nl_geterror(err));
if (!quiet) {
printf("Added ");
nl_object_dump(OBJ_CAST(exp), ¶ms);
}
return 0;
}
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