15 #include <netlink/cli/utils.h> 16 #include <netlink/cli/ct.h> 18 #include <linux/netlink.h> 20 static void print_usage(
void)
23 "Usage: nf-ct-list [OPTION]... [CONNTRACK ENTRY]\n" 26 " -f, --format=TYPE Output format { brief | details | stats }\n" 27 " -h, --help Show this help\n" 28 " -v, --version Show versioning information\n" 30 "Conntrack Selection\n" 31 " -i, --id=NUM Identifier\n" 32 " -p, --proto=PROTOCOL Protocol\n" 33 " --tcp-state=STATE TCP connection state\n" 34 " --orig-src=ADDR Original source address\n" 35 " --orig-sport=PORT Original source port\n" 36 " --orig-dst=ADDR Original destination address\n" 37 " --orig-dport=PORT Original destination port\n" 38 " --reply-src=ADDR Reply source address\n" 39 " --reply-sport=PORT Reply source port\n" 40 " --reply-dst=ADDR Reply destination address\n" 41 " --reply-dport=PORT Reply destination port\n" 42 " -F, --family=FAMILY Address family\n" 43 " --mark=NUM Mark value\n" 44 " --timeout=NUM Timeout value\n" 45 " --refcnt=NUM Use counter value\n" 51 int main(
int argc,
char *argv[])
54 struct nl_cache *ct_cache;
61 ct = nl_cli_ct_alloc();
80 static struct option long_opts[] = {
81 {
"format", 1, 0,
'f' },
82 {
"help", 0, 0,
'h' },
83 {
"version", 0, 0,
'v' },
85 {
"proto", 1, 0,
'p' },
86 {
"tcp-state", 1, 0, ARG_TCP_STATE },
87 {
"orig-src", 1, 0, ARG_ORIG_SRC },
88 {
"orig-sport", 1, 0, ARG_ORIG_SPORT },
89 {
"orig-dst", 1, 0, ARG_ORIG_DST },
90 {
"orig-dport", 1, 0, ARG_ORIG_DPORT },
91 {
"reply-src", 1, 0, ARG_REPLY_SRC },
92 {
"reply-sport", 1, 0, ARG_REPLY_SPORT },
93 {
"reply-dst", 1, 0, ARG_REPLY_DST },
94 {
"reply-dport", 1, 0, ARG_REPLY_DPORT },
95 {
"family", 1, 0,
'F' },
96 {
"mark", 1, 0, ARG_MARK },
97 {
"timeout", 1, 0, ARG_TIMEOUT },
98 {
"refcnt", 1, 0, ARG_REFCNT },
102 c = getopt_long(argc, argv,
"46f:hvi:p:F:", long_opts, &optidx);
107 case '?': exit(NLE_INVAL);
108 case '4': nfnl_ct_set_family(ct, AF_INET);
break;
109 case '6': nfnl_ct_set_family(ct, AF_INET6);
break;
110 case 'f': params.
dp_type = nl_cli_parse_dumptype(optarg);
break;
111 case 'h': print_usage();
break;
112 case 'v': nl_cli_print_version();
break;
113 case 'i': nl_cli_ct_parse_id(ct, optarg);
break;
114 case 'p': nl_cli_ct_parse_protocol(ct, optarg);
break;
115 case ARG_TCP_STATE: nl_cli_ct_parse_tcp_state(ct, optarg);
break;
116 case ARG_ORIG_SRC: nl_cli_ct_parse_src(ct, 0, optarg);
break;
117 case ARG_ORIG_SPORT: nl_cli_ct_parse_src_port(ct, 0, optarg);
break;
118 case ARG_ORIG_DST: nl_cli_ct_parse_dst(ct, 0, optarg);
break;
119 case ARG_ORIG_DPORT: nl_cli_ct_parse_dst_port(ct, 0, optarg);
break;
120 case ARG_REPLY_SRC: nl_cli_ct_parse_src(ct, 1, optarg);
break;
121 case ARG_REPLY_SPORT: nl_cli_ct_parse_src_port(ct, 1, optarg);
break;
122 case ARG_REPLY_DST: nl_cli_ct_parse_dst(ct, 1, optarg);
break;
123 case ARG_REPLY_DPORT: nl_cli_ct_parse_dst_port(ct, 1, optarg);
break;
124 case 'F': nl_cli_ct_parse_family(ct, optarg);
break;
125 case ARG_MARK: nl_cli_ct_parse_mark(ct, optarg);
break;
126 case ARG_TIMEOUT: nl_cli_ct_parse_timeout(ct, optarg);
break;
127 case ARG_REFCNT: nl_cli_ct_parse_use(ct, optarg);
break;
128 case ARG_FLAGS: nl_cli_ct_parse_status(ct, optarg);
break;
132 sock = nl_cli_alloc_socket();
133 nl_cli_connect(sock, NETLINK_NETFILTER);
134 ct_cache = nl_cli_ct_alloc_cache(sock);
Dump object briefly on one line.
enum nl_dump_type dp_type
Specifies the type of dump that is requested.
void nl_cache_dump_filter(struct nl_cache *cache, struct nl_dump_params *params, struct nl_object *filter)
Dump all elements of a cache (filtered).