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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 
nl_cli_ct_alloc(void)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 
nl_cli_ct_alloc_cache(struct nl_sock * sk)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 
nl_cli_ct_parse_family(struct nfnl_ct * ct,char * arg)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 
nl_cli_ct_parse_protocol(struct nfnl_ct * ct,char * arg)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 
nl_cli_ct_parse_mark(struct nfnl_ct * ct,char * arg)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 
nl_cli_ct_parse_timeout(struct nfnl_ct * ct,char * arg)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 
nl_cli_ct_parse_id(struct nfnl_ct * ct,char * arg)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 
nl_cli_ct_parse_use(struct nfnl_ct * ct,char * arg)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 
nl_cli_ct_parse_src(struct nfnl_ct * ct,int reply,char * arg)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 
nl_cli_ct_parse_dst(struct nfnl_ct * ct,int reply,char * arg)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 
nl_cli_ct_parse_src_port(struct nfnl_ct * ct,int reply,char * arg)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 
nl_cli_ct_parse_dst_port(struct nfnl_ct * ct,int reply,char * arg)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 
nl_cli_ct_parse_tcp_state(struct nfnl_ct * ct,char * arg)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 
nl_cli_ct_parse_status(struct nfnl_ct * ct,char * arg)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 /** @} */
163