src/nf-exp-list.c

   1 /*
   2  * src/nf-exp-list.c     List Expectation Entries
   3  *
   4  *      This library is free software; you can redistribute it and/or
   5  *      modify it under the terms of the GNU Lesser General Public
   6  *      License as published by the Free Software Foundation version 2.1
   7  *      of the License.
   8  *
   9  * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
  10  * Copyright (c) 2007 Philip Craig <philipc@snapgear.com>
  11  * Copyright (c) 2007 Secure Computing Corporation
  12  * Copyright (c) 2012 Rich Fought <rich.fought@watchguard.com>
  13  */
  14
  15 #include <netlink/cli/utils.h>
  16 #include <netlink/cli/exp.h>
  17
  18 static void print_usage(void)
  19 {
  20         printf(
  21         "Usage: nf-exp-list [OPTION]... [EXPECTATION ENTRY]\n"
  22         "\n"
  23         "Options\n"
  24         " -f, --format=TYPE     Output format { brief | details }\n"
  25         " -h, --help            Show this help\n"
  26         " -v, --version         Show versioning information\n"
  27         "\n"
  28         "Expectation Selection\n"
  29         " -i, --id=NUM                Identifier\n"
  30         "     --expect-proto=PROTOCOL Expectation protocol\n"
  31         "     --expect-src=ADDR       Expectation source address\n"
  32         "     --expect-sport=PORT     Expectation source port\n"
  33         "     --expect-dst=ADDR       Expectation destination address\n"
  34         "     --expect-dport=PORT     Expectation destination port\n"
  35         "     --master-proto=PROTOCOL Master conntrack protocol\n"
  36         "     --master-src=ADDR       Master conntrack source address\n"
  37         "     --master-sport=PORT     Master conntrack source port\n"
  38         "     --master-dst=ADDR       Master conntrack destination address\n"
  39         "     --master-dport=PORT     Master conntrack destination port\n"
  40         " -F, --family=FAMILY         Address family\n"
  41         "     --timeout=NUM           Timeout value\n"
  42         "     --helper=STRING         Helper Name\n"
  43         //"     --flags                 Flags\n"
  44         );
  45         exit(0);
  46 }
  47
  48 int main(int argc, char *argv[])
  49 {
  50         struct nl_sock *sock;
  51         struct nl_cache *exp_cache;
  52         struct nfnl_exp *exp;
  53         struct nl_dump_params params = {
  54                 .dp_type = NL_DUMP_LINE,
  55                 .dp_fd = stdout,
  56         };
  57
  58         exp = nl_cli_exp_alloc();
  59
  60         for (;;) {
  61                 int c, optidx = 0;
  62                 enum {
  63                         ARG_MARK = 270,
  64                         ARG_TCP_STATE = 271,
  65                         ARG_EXPECT_PROTO,
  66                         ARG_EXPECT_SRC,
  67                         ARG_EXPECT_SPORT,
  68                         ARG_EXPECT_DST,
  69                         ARG_EXPECT_DPORT,
  70                         ARG_MASTER_PROTO,
  71                         ARG_MASTER_SRC,
  72                         ARG_MASTER_SPORT,
  73                         ARG_MASTER_DST,
  74                         ARG_MASTER_DPORT,
  75                         ARG_TIMEOUT,
  76                         ARG_HELPER_NAME,
  77                         ARG_FLAGS,
  78                 };
  79                 static struct option long_opts[] = {
  80                         { "format", 1, 0, 'f' },
  81                         { "help", 0, 0, 'h' },
  82                         { "version", 0, 0, 'v' },
  83                         { "id", 1, 0, 'i' },
  84                         { "expect-proto", 1, 0, ARG_EXPECT_PROTO },
  85                         { "expect-src", 1, 0, ARG_EXPECT_SRC },
  86                         { "expect-sport", 1, 0, ARG_EXPECT_SPORT },
  87                         { "expect-dst", 1, 0, ARG_EXPECT_DST },
  88                         { "expect-dport", 1, 0, ARG_EXPECT_DPORT },
  89                         { "master-proto", 1, 0, ARG_MASTER_PROTO },
  90                         { "master-src", 1, 0, ARG_MASTER_SRC },
  91                         { "master-sport", 1, 0, ARG_MASTER_SPORT },
  92                         { "master-dst", 1, 0, ARG_MASTER_DST },
  93                         { "master-dport", 1, 0, ARG_MASTER_DPORT },
  94                         { "family", 1, 0, 'F' },
  95                         { "timeout", 1, 0, ARG_TIMEOUT },
  96                         { "helper", 1, 0, ARG_HELPER_NAME },
  97                         { "flags", 1, 0, ARG_FLAGS},
  98                         { 0, 0, 0, 0 }
  99                 };
 100
 101                 c = getopt_long(argc, argv, "46f:hvi:p:F:", long_opts, &optidx);
 102                 if (c == -1)
 103                         break;
 104
 105                 switch (c) {
 106                 case '?': exit(NLE_INVAL);
 107                 case '4': nfnl_exp_set_family(exp, AF_INET); break;
 108                 case '6': nfnl_exp_set_family(exp, AF_INET6); break;
 109                 case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
 110                 case 'h': print_usage(); break;
 111                 case 'v': nl_cli_print_version(); break;
 112                 case 'i': nl_cli_exp_parse_id(exp, optarg); break;
 113                 case ARG_EXPECT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
 114                 case ARG_EXPECT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
 115                 case ARG_EXPECT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
 116                 case ARG_EXPECT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
 117                 case ARG_EXPECT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_EXPECT, optarg); break;
 118                 case ARG_MASTER_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
 119                 case ARG_MASTER_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
 120                 case ARG_MASTER_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
 121                 case ARG_MASTER_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
 122                 case ARG_MASTER_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASTER, optarg); break;
 123                 case 'F': nl_cli_exp_parse_family(exp, optarg); break;
 124                 case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
 125                 case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;
 126                 case ARG_FLAGS: nl_cli_exp_parse_flags(exp, optarg); break;
 127                 }
 128         }
 129
 130         sock = nl_cli_alloc_socket();
 131         nl_cli_connect(sock, NETLINK_NETFILTER);
 132         exp_cache = nl_cli_exp_alloc_cache(sock);
 133
 134         nl_cache_dump_filter(exp_cache, &params, OBJ_CAST(exp));
 135
 136         return 0;
 137 }