xref: /aosp_15_r20/external/libnl/src/lib/exp.c (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3  * Copyright (c) 2008-2009 Thomas Graf <[email protected]>
4  * Copyright (c) 2012 Rich Fought <[email protected]>
5  */
6 
7 /**
8  * @ingroup cli
9  * @defgroup cli_exp Expectation Tracking
10  *
11  * @{
12  */
13 
14 #include "nl-default.h"
15 
16 #include <netlink/cli/utils.h>
17 #include <netlink/cli/exp.h>
18 
nl_cli_exp_alloc(void)19 struct nfnl_exp *nl_cli_exp_alloc(void)
20 {
21 	struct nfnl_exp *exp;
22 
23 	exp = nfnl_exp_alloc();
24 	if (!exp)
25 		nl_cli_fatal(ENOMEM, "Unable to allocate expectation object");
26 
27 	return exp;
28 }
29 
nl_cli_exp_alloc_cache(struct nl_sock * sk)30 struct nl_cache *nl_cli_exp_alloc_cache(struct nl_sock *sk)
31 {
32 	return nl_cli_alloc_cache(sk, "expectation", nfnl_exp_alloc_cache);
33 }
34 
nl_cli_exp_parse_family(struct nfnl_exp * exp,char * arg)35 void nl_cli_exp_parse_family(struct nfnl_exp *exp, char *arg)
36 {
37 	int family;
38 
39 	if ((family = nl_str2af(arg)) == AF_UNSPEC)
40 		nl_cli_fatal(EINVAL,
41 			     "Unable to nl_cli_exp_parse family \"%s\": %s",
42 			     arg, nl_geterror(NLE_INVAL));
43 
44 	nfnl_exp_set_family(exp, family);
45 }
46 
nl_cli_exp_parse_timeout(struct nfnl_exp * exp,char * arg)47 void nl_cli_exp_parse_timeout(struct nfnl_exp *exp, char *arg)
48 {
49 	uint32_t timeout = nl_cli_parse_u32(arg);
50 	nfnl_exp_set_timeout(exp, timeout);
51 }
52 
nl_cli_exp_parse_id(struct nfnl_exp * exp,char * arg)53 void nl_cli_exp_parse_id(struct nfnl_exp *exp, char *arg)
54 {
55 	uint32_t id = nl_cli_parse_u32(arg);
56 	nfnl_exp_set_id(exp, id);
57 }
58 
nl_cli_exp_parse_helper_name(struct nfnl_exp * exp,char * arg)59 void nl_cli_exp_parse_helper_name(struct nfnl_exp *exp, char *arg)
60 {
61 	nfnl_exp_set_helper_name(exp, arg);
62 }
63 
nl_cli_exp_parse_zone(struct nfnl_exp * exp,char * arg)64 void nl_cli_exp_parse_zone(struct nfnl_exp *exp, char *arg)
65 {
66 	uint32_t zone = nl_cli_parse_u32(arg);
67 	nfnl_exp_set_zone(exp, zone);
68 }
69 
nl_cli_exp_parse_flags(struct nfnl_exp * exp,char * arg)70 void nl_cli_exp_parse_flags(struct nfnl_exp *exp, char *arg)
71 {
72 	uint32_t flags = nl_cli_parse_u32(arg);
73 	nfnl_exp_set_flags(exp, flags);
74 }
75 
nl_cli_exp_parse_class(struct nfnl_exp * exp,char * arg)76 void nl_cli_exp_parse_class(struct nfnl_exp *exp, char *arg)
77 {
78 	uint32_t class = nl_cli_parse_u32(arg);
79 	nfnl_exp_set_class(exp, class);
80 }
81 
nl_cli_exp_parse_nat_dir(struct nfnl_exp * exp,char * arg)82 void nl_cli_exp_parse_nat_dir(struct nfnl_exp *exp, char *arg)
83 {
84 	uint32_t nat_dir = nl_cli_parse_u32(arg);
85 	nfnl_exp_set_nat_dir(exp, nat_dir);
86 }
87 
nl_cli_exp_parse_fn(struct nfnl_exp * exp,char * arg)88 void nl_cli_exp_parse_fn(struct nfnl_exp *exp, char *arg)
89 {
90 	nfnl_exp_set_fn(exp, arg);
91 }
92 
nl_cli_exp_parse_src(struct nfnl_exp * exp,int tuple,char * arg)93 void nl_cli_exp_parse_src(struct nfnl_exp *exp, int tuple, char *arg)
94 {
95 	int err;
96 	struct nl_addr *a = nl_cli_addr_parse(arg, nfnl_exp_get_family(exp));
97 	if ((err = nfnl_exp_set_src(exp, tuple, a)) < 0)
98 		nl_cli_fatal(err, "Unable to set source address: %s",
99 			     nl_geterror(err));
100 }
101 
nl_cli_exp_parse_dst(struct nfnl_exp * exp,int tuple,char * arg)102 void nl_cli_exp_parse_dst(struct nfnl_exp *exp, int tuple, char *arg)
103 {
104 	int err;
105 	struct nl_addr *a = nl_cli_addr_parse(arg, nfnl_exp_get_family(exp));
106 	if ((err = nfnl_exp_set_dst(exp, tuple, a)) < 0)
107 		nl_cli_fatal(err, "Unable to set destination address: %s",
108 			     nl_geterror(err));
109 }
110 
nl_cli_exp_parse_l4protonum(struct nfnl_exp * exp,int tuple,char * arg)111 void nl_cli_exp_parse_l4protonum(struct nfnl_exp *exp, int tuple, char *arg)
112 {
113 	int l4protonum;
114 
115 	if ((l4protonum = nl_str2ip_proto(arg)) < 0)
116 		nl_cli_fatal(l4protonum,
117 			"Unable to nl_cli_exp_parse protocol \"%s\": %s",
118 			arg, nl_geterror(l4protonum));
119 
120 	nfnl_exp_set_l4protonum(exp, tuple, l4protonum);
121 }
122 
nl_cli_exp_parse_src_port(struct nfnl_exp * exp,int tuple,char * arg)123 void nl_cli_exp_parse_src_port(struct nfnl_exp *exp, int tuple, char *arg)
124 {
125 	uint32_t sport = nl_cli_parse_u32(arg);
126 	uint16_t dport = nfnl_exp_get_dst_port(exp, tuple);
127 	nfnl_exp_set_ports(exp, tuple, sport, dport);
128 }
129 
nl_cli_exp_parse_dst_port(struct nfnl_exp * exp,int tuple,char * arg)130 void nl_cli_exp_parse_dst_port(struct nfnl_exp *exp, int tuple, char *arg)
131 {
132 	uint32_t dport = nl_cli_parse_u32(arg);
133 	uint16_t sport = nfnl_exp_get_src_port(exp, tuple);
134 	nfnl_exp_set_ports(exp, tuple, sport, dport);
135 }
136 
nl_cli_exp_parse_icmp_id(struct nfnl_exp * exp,int tuple,char * arg)137 void nl_cli_exp_parse_icmp_id(struct nfnl_exp *exp, int tuple, char *arg)
138 {
139 	uint32_t id = nl_cli_parse_u32(arg);
140 	uint8_t type = nfnl_exp_get_icmp_type(exp, tuple);
141 	uint8_t code = nfnl_exp_get_icmp_code(exp, tuple);
142 	nfnl_exp_set_icmp(exp, tuple, id, type, code);
143 }
144 
nl_cli_exp_parse_icmp_type(struct nfnl_exp * exp,int tuple,char * arg)145 void nl_cli_exp_parse_icmp_type(struct nfnl_exp *exp, int tuple, char *arg)
146 {
147 	uint32_t type = nl_cli_parse_u32(arg);
148 	uint16_t id = nfnl_exp_get_icmp_id(exp, tuple);
149 	uint8_t code = nfnl_exp_get_icmp_code(exp, tuple);
150 	nfnl_exp_set_icmp(exp, tuple, id, type, code);
151 }
152 
nl_cli_exp_parse_icmp_code(struct nfnl_exp * exp,int tuple,char * arg)153 void nl_cli_exp_parse_icmp_code(struct nfnl_exp *exp, int tuple, char *arg)
154 {
155 	uint32_t code = nl_cli_parse_u32(arg);
156 	uint16_t id = nfnl_exp_get_icmp_id(exp, tuple);
157 	uint8_t type = nfnl_exp_get_icmp_type(exp, tuple);
158 	nfnl_exp_set_icmp(exp, tuple, id, type, code);
159 }
160 
161 /** @} */
162