libnl  3.2.24-rc1
exp.c
1 /*
2  * src/lib/exp.c CLI Expectation 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  * Copyright (c) 2012 Rich Fought <rich.fought@watchguard.com>
11  */
12 
13 /**
14  * @ingroup cli
15  * @defgroup cli_exp Expectation Tracking
16  *
17  * @{
18  */
19 
20 #include <netlink/cli/utils.h>
21 #include <netlink/cli/exp.h>
22 
23 struct nfnl_exp *nl_cli_exp_alloc(void)
24 {
25  struct nfnl_exp *exp;
26 
27  exp = nfnl_exp_alloc();
28  if (!exp)
29  nl_cli_fatal(ENOMEM, "Unable to allocate expectation object");
30 
31  return exp;
32 }
33 
34 struct nl_cache *nl_cli_exp_alloc_cache(struct nl_sock *sk)
35 {
36  return nl_cli_alloc_cache(sk, "expectation", nfnl_exp_alloc_cache);
37 }
38 
39 void nl_cli_exp_parse_family(struct nfnl_exp *exp, char *arg)
40 {
41  int family;
42 
43  if ((family = nl_str2af(arg)) == AF_UNSPEC)
44  nl_cli_fatal(EINVAL,
45  "Unable to nl_cli_exp_parse family \"%s\": %s",
46  arg, nl_geterror(NLE_INVAL));
47 
48  nfnl_exp_set_family(exp, family);
49 }
50 
51 void nl_cli_exp_parse_timeout(struct nfnl_exp *exp, char *arg)
52 {
53  uint32_t timeout = nl_cli_parse_u32(arg);
54  nfnl_exp_set_timeout(exp, timeout);
55 }
56 
57 void nl_cli_exp_parse_id(struct nfnl_exp *exp, char *arg)
58 {
59  uint32_t id = nl_cli_parse_u32(arg);
60  nfnl_exp_set_id(exp, id);
61 }
62 
63 void nl_cli_exp_parse_helper_name(struct nfnl_exp *exp, char *arg)
64 {
65  nfnl_exp_set_helper_name(exp, arg);
66 }
67 
68 void nl_cli_exp_parse_zone(struct nfnl_exp *exp, char *arg)
69 {
70  uint32_t zone = nl_cli_parse_u32(arg);
71  nfnl_exp_set_zone(exp, zone);
72 }
73 
74 void nl_cli_exp_parse_flags(struct nfnl_exp *exp, char *arg)
75 {
76  uint32_t flags = nl_cli_parse_u32(arg);
77  nfnl_exp_set_flags(exp, flags);
78 }
79 
80 void nl_cli_exp_parse_class(struct nfnl_exp *exp, char *arg)
81 {
82  uint32_t class = nl_cli_parse_u32(arg);
83  nfnl_exp_set_class(exp, class);
84 }
85 
86 void nl_cli_exp_parse_nat_dir(struct nfnl_exp *exp, char *arg)
87 {
88  uint32_t nat_dir = nl_cli_parse_u32(arg);
89  nfnl_exp_set_nat_dir(exp, nat_dir);
90 }
91 
92 void nl_cli_exp_parse_fn(struct nfnl_exp *exp, char *arg)
93 {
94  nfnl_exp_set_fn(exp, arg);
95 }
96 
97 void nl_cli_exp_parse_src(struct nfnl_exp *exp, int tuple, char *arg)
98 {
99  int err;
100  struct nl_addr *a = nl_cli_addr_parse(arg, nfnl_exp_get_family(exp));
101  if ((err = nfnl_exp_set_src(exp, tuple, a)) < 0)
102  nl_cli_fatal(err, "Unable to set source address: %s",
103  nl_geterror(err));
104 }
105 
106 void nl_cli_exp_parse_dst(struct nfnl_exp *exp, int tuple, char *arg)
107 {
108  int err;
109  struct nl_addr *a = nl_cli_addr_parse(arg, nfnl_exp_get_family(exp));
110  if ((err = nfnl_exp_set_dst(exp, tuple, a)) < 0)
111  nl_cli_fatal(err, "Unable to set destination address: %s",
112  nl_geterror(err));
113 }
114 
115 void nl_cli_exp_parse_l4protonum(struct nfnl_exp *exp, int tuple, char *arg)
116 {
117  int l4protonum;
118 
119  if ((l4protonum = nl_str2ip_proto(arg)) < 0)
120  nl_cli_fatal(l4protonum,
121  "Unable to nl_cli_exp_parse protocol \"%s\": %s",
122  arg, nl_geterror(l4protonum));
123 
124  nfnl_exp_set_l4protonum(exp, tuple, l4protonum);
125 }
126 
127 void nl_cli_exp_parse_src_port(struct nfnl_exp *exp, int tuple, char *arg)
128 {
129  uint32_t sport = nl_cli_parse_u32(arg);
130  uint16_t dport = nfnl_exp_get_dst_port(exp, tuple);
131  nfnl_exp_set_ports(exp, tuple, sport, dport);
132 }
133 
134 void nl_cli_exp_parse_dst_port(struct nfnl_exp *exp, int tuple, char *arg)
135 {
136  uint32_t dport = nl_cli_parse_u32(arg);
137  uint16_t sport = nfnl_exp_get_src_port(exp, tuple);
138  nfnl_exp_set_ports(exp, tuple, sport, dport);
139 }
140 
141 void nl_cli_exp_parse_icmp_id(struct nfnl_exp *exp, int tuple, char *arg)
142 {
143  uint32_t id = nl_cli_parse_u32(arg);
144  uint8_t type = nfnl_exp_get_icmp_type(exp, tuple);
145  uint8_t code = nfnl_exp_get_icmp_code(exp, tuple);
146  nfnl_exp_set_icmp(exp, tuple, id, type, code);
147 }
148 
149 void nl_cli_exp_parse_icmp_type(struct nfnl_exp *exp, int tuple, char *arg)
150 {
151  uint32_t type = nl_cli_parse_u32(arg);
152  uint16_t id = nfnl_exp_get_icmp_id(exp, tuple);
153  uint8_t code = nfnl_exp_get_icmp_code(exp, tuple);
154  nfnl_exp_set_icmp(exp, tuple, id, type, code);
155 }
156 
157 void nl_cli_exp_parse_icmp_code(struct nfnl_exp *exp, int tuple, char *arg)
158 {
159  uint32_t code = nl_cli_parse_u32(arg);
160  uint16_t id = nfnl_exp_get_icmp_id(exp, tuple);
161  uint8_t type = nfnl_exp_get_icmp_type(exp, tuple);
162  nfnl_exp_set_icmp(exp, tuple, id, type, code);
163 }
164 
165 /** @} */