libnl: /data/src/libnl3/src/lib/addr.c Source File

libnl 3.7.0

addr.c
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3 * Copyright (c) 2008-2009 Thomas Graf <tgraf@suug.ch>
4 */
5
6 /**
7 * @ingroup cli
8 * @defgroup cli_addr Addresses
9 *
10 * @{
11 */
12
13 #include <netlink/cli/utils.h>
14 #include <netlink/cli/addr.h>
15
16 struct rtnl_addr *nl_cli_addr_alloc(void)
17 {
18 struct rtnl_addr *addr;
19
20 addr = rtnl_addr_alloc();
21 if (!addr)
22 nl_cli_fatal(ENOMEM, "Unable to allocate address object");
23
24 return addr;
25 }
26
27 void nl_cli_addr_parse_family(struct rtnl_addr *addr, char *arg)
28 {
29 int family;
30
31 if ((family = nl_str2af(arg)) != AF_UNSPEC)
32 rtnl_addr_set_family(addr, family);
33 }
34
35 void nl_cli_addr_parse_local(struct rtnl_addr *addr, char *arg)
36 {
37 struct nl_addr *a;
38 int err;
39
40 a = nl_cli_addr_parse(arg, rtnl_addr_get_family(addr));
41 if ((err = rtnl_addr_set_local(addr, a)) < 0)
42 nl_cli_fatal(err, "Unable to set local address: %s",
43 nl_geterror(err));
44
45 nl_addr_put(a);
46 }
47
48 void nl_cli_addr_parse_dev(struct rtnl_addr *addr, struct nl_cache *link_cache,
49 char *arg)
50 {
51 int ival;
52
53 if (!(ival = rtnl_link_name2i(link_cache, arg)))
54 nl_cli_fatal(ENOENT, "Link \"%s\" does not exist", arg);
55
56 rtnl_addr_set_ifindex(addr, ival);
57 }
58
59 void nl_cli_addr_parse_label(struct rtnl_addr *addr, char *arg)
60 {
61 int err;
62
63 if ((err = rtnl_addr_set_label(addr, arg)) < 0)
64 nl_cli_fatal(err, "Unable to set address label: %s",
65 nl_geterror(err));
66 }
67
68 void nl_cli_addr_parse_peer(struct rtnl_addr *addr, char *arg)
69 {
70 struct nl_addr *a;
71 int err;
72
73 a = nl_cli_addr_parse(arg, rtnl_addr_get_family(addr));
74 if ((err = rtnl_addr_set_peer(addr, a)) < 0)
75 nl_cli_fatal(err, "Unable to set peer address: %s",
76 nl_geterror(err));
77
78 nl_addr_put(a);
79 }
80
81 void nl_cli_addr_parse_scope(struct rtnl_addr *addr, char *arg)
82 {
83 int ival;
84
85 if ((ival = rtnl_str2scope(arg)) < 0)
86 nl_cli_fatal(EINVAL, "Unknown address scope \"%s\"", arg);
87
88 rtnl_addr_set_scope(addr, ival);
89 }
90
91 void nl_cli_addr_parse_broadcast(struct rtnl_addr *addr, char *arg)
92 {
93 struct nl_addr *a;
94 int err;
95
96 a = nl_cli_addr_parse(arg, rtnl_addr_get_family(addr));
97 if ((err = rtnl_addr_set_broadcast(addr, a)) < 0)
98 nl_cli_fatal(err, "Unable to set broadcast address: %s",
99 nl_geterror(err));
100
101 nl_addr_put(a);
102 }
103
104 static uint32_t parse_lifetime(const char *arg)
105 {
106 uint64_t msecs;
107 int err;
108
109 if (!strcasecmp(arg, "forever"))
110 return 0xFFFFFFFFU;
111
112 if ((err = nl_str2msec(arg, &msecs)) < 0)
113 nl_cli_fatal(err, "Unable to parse time string \"%s\": %s",
114 arg, nl_geterror(err));
115
116 return (msecs / 1000);
117 }
118
119 void nl_cli_addr_parse_preferred(struct rtnl_addr *addr, char *arg)
120 {
121 rtnl_addr_set_preferred_lifetime(addr, parse_lifetime(arg));
122 }
123
124 void nl_cli_addr_parse_valid(struct rtnl_addr *addr, char *arg)
125 {
126 rtnl_addr_set_valid_lifetime(addr, parse_lifetime(arg));
127 }
128
129 /** @} */
nl_addr_put
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
Definition: addr.c:533
nl_cli_fatal
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Definition: utils.c:71
rtnl_link_name2i
int rtnl_link_name2i(struct nl_cache *cache, const char *name)
Translate link name to corresponding interface index.
Definition: link.c:1496