Exemplo n.º 1
0
int main(int argc, char *argv[])
{
	struct nl_sock *sock;
	struct nl_cache *exp_cache;
	struct nfnl_exp *exp;
	struct nl_dump_params params = {
		.dp_type = NL_DUMP_LINE,
		.dp_fd = stdout,
	};

	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_TIMEOUT,
			ARG_HELPER_NAME,
			ARG_FLAGS,
		};
		static struct option long_opts[] = {
			{ "format", 1, 0, 'f' },
			{ "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 },
			{ "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 '4': nfnl_exp_set_family(exp, AF_INET); break;
		case '6': nfnl_exp_set_family(exp, 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_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 '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);
	exp_cache = nl_cli_exp_alloc_cache(sock);

	nl_cache_dump_filter(exp_cache, &params, OBJ_CAST(exp));

	return 0;
}
Exemplo n.º 2
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), &params);
	}

	return 0;
}