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 /** @} */
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
Definition: addr.c:533
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Definition: utils.c:71