/* * src/nf-exp-add.c Create an expectation * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation version 2.1 * of the License. * * Copyright (c) 2003-2009 Thomas Graf * Copyright (c) 2007 Philip Craig * Copyright (c) 2007 Secure Computing Corporation * Copyright (c) 2012 Rich Fought * */ #include #include #include 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; }