libnl  3.2.24-rc1
ct.c
1 /*
2  * src/lib/ct.c CLI Conntrack Helpers
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) 2008-2009 Thomas Graf <tgraf@suug.ch>
10  */
11 
12 /**
13  * @ingroup cli
14  * @defgroup cli_ct Connection Tracking
15  *
16  * @{
17  */
18 
19 #include <netlink/cli/utils.h>
20 #include <netlink/cli/ct.h>
21 
22 struct nfnl_ct *nl_cli_ct_alloc(void)
23 {
24  struct nfnl_ct *ct;
25 
26  ct = nfnl_ct_alloc();
27  if (!ct)
28  nl_cli_fatal(ENOMEM, "Unable to allocate conntrack object");
29 
30  return ct;
31 }
32 
33 struct nl_cache *nl_cli_ct_alloc_cache(struct nl_sock *sk)
34 {
35  return nl_cli_alloc_cache(sk, "conntrack", nfnl_ct_alloc_cache);
36 }
37 
38 void nl_cli_ct_parse_family(struct nfnl_ct *ct, char *arg)
39 {
40  int family;
41 
42  if ((family = nl_str2af(arg)) == AF_UNSPEC)
43  nl_cli_fatal(EINVAL,
44  "Unable to nl_cli_ct_parse family \"%s\": %s",
45  arg, nl_geterror(NLE_INVAL));
46 
47  nfnl_ct_set_family(ct, family);
48 }
49 
50 void nl_cli_ct_parse_protocol(struct nfnl_ct *ct, char *arg)
51 {
52  int proto;
53 
54  if ((proto = nl_str2ip_proto(arg)) < 0)
55  nl_cli_fatal(proto,
56  "Unable to nl_cli_ct_parse protocol \"%s\": %s",
57  arg, nl_geterror(proto));
58 
59  nfnl_ct_set_proto(ct, proto);
60 }
61 
62 void nl_cli_ct_parse_mark(struct nfnl_ct *ct, char *arg)
63 {
64  uint32_t mark = nl_cli_parse_u32(arg);
65  nfnl_ct_set_mark(ct, mark);
66 }
67 
68 void nl_cli_ct_parse_timeout(struct nfnl_ct *ct, char *arg)
69 {
70  uint32_t timeout = nl_cli_parse_u32(arg);
71  nfnl_ct_set_timeout(ct, timeout);
72 }
73 
74 void nl_cli_ct_parse_id(struct nfnl_ct *ct, char *arg)
75 {
76  uint32_t id = nl_cli_parse_u32(arg);
77  nfnl_ct_set_id(ct, id);
78 }
79 
80 void nl_cli_ct_parse_use(struct nfnl_ct *ct, char *arg)
81 {
82  uint32_t use = nl_cli_parse_u32(arg);
83  nfnl_ct_set_use(ct, use);
84 }
85 
86 void nl_cli_ct_parse_src(struct nfnl_ct *ct, int reply, char *arg)
87 {
88  int err;
89  struct nl_addr *a = nl_cli_addr_parse(arg, nfnl_ct_get_family(ct));
90  if ((err = nfnl_ct_set_src(ct, reply, a)) < 0)
91  nl_cli_fatal(err, "Unable to set source address: %s",
92  nl_geterror(err));
93 }
94 
95 void nl_cli_ct_parse_dst(struct nfnl_ct *ct, int reply, char *arg)
96 {
97  int err;
98  struct nl_addr *a = nl_cli_addr_parse(arg, nfnl_ct_get_family(ct));
99  if ((err = nfnl_ct_set_dst(ct, reply, a)) < 0)
100  nl_cli_fatal(err, "Unable to set destination address: %s",
101  nl_geterror(err));
102 }
103 
104 void nl_cli_ct_parse_src_port(struct nfnl_ct *ct, int reply, char *arg)
105 {
106  uint32_t port = nl_cli_parse_u32(arg);
107  nfnl_ct_set_src_port(ct, reply, port);
108 }
109 
110 void nl_cli_ct_parse_dst_port(struct nfnl_ct *ct, int reply, char *arg)
111 {
112  uint32_t port = nl_cli_parse_u32(arg);
113  nfnl_ct_set_dst_port(ct, reply, port);
114 }
115 
116 void nl_cli_ct_parse_tcp_state(struct nfnl_ct *ct, char *arg)
117 {
118  int state;
119 
120  if ((state = nfnl_ct_str2tcp_state(arg)) < 0)
121  nl_cli_fatal(state,
122  "Unable to nl_cli_ct_parse tcp state \"%s\": %s",
123  arg, nl_geterror(state));
124 
125  nfnl_ct_set_tcp_state(ct, state);
126 }
127 
128 void nl_cli_ct_parse_status(struct nfnl_ct *ct, char *arg)
129 {
130  int status;
131 
132  if ((status = nfnl_ct_str2status(arg)) < 0)
133  nl_cli_fatal(status,
134  "Unable to nl_cli_ct_parse flags \"%s\": %s",
135  arg, nl_geterror(status));
136 
137  nfnl_ct_set_status(ct, status);
138 }
139 
140 #if 0
141  } else if (arg_match("origicmpid")) {
142  if (argc > ++idx)
143  nfnl_ct_set_icmp_id(ct, 0, strtoul(argv[idx++], NULL, 0));
144  } else if (arg_match("origicmptype")) {
145  if (argc > ++idx)
146  nfnl_ct_set_icmp_type(ct, 0, strtoul(argv[idx++], NULL, 0));
147  } else if (arg_match("origicmpcode")) {
148  if (argc > ++idx)
149  nfnl_ct_set_icmp_code(ct, 0, strtoul(argv[idx++], NULL, 0));
150  } else if (arg_match("replyicmpid")) {
151  if (argc > ++idx)
152  nfnl_ct_set_icmp_id(ct, 1, strtoul(argv[idx++], NULL, 0));
153  } else if (arg_match("replyicmptype")) {
154  if (argc > ++idx)
155  nfnl_ct_set_icmp_type(ct, 1, strtoul(argv[idx++], NULL, 0));
156  } else if (arg_match("replyicmpcode")) {
157  if (argc > ++idx)
158  nfnl_ct_set_icmp_code(ct, 1, strtoul(argv[idx++], NULL, 0));
159  }
160 #endif
161 
162 /** @} */