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1 office 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 /** @} */