1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3 * Copyright (c) 2003-2009 Thomas Graf <[email protected]>
4 */
5
6 #include "nl-default.h"
7
8 #include <linux/netlink.h>
9
10 #include <netlink/cli/utils.h>
11 #include <netlink/cli/addr.h>
12 #include <netlink/cli/link.h>
13
14 static struct nl_sock *sock;
15 static int interactive = 0, default_yes = 0, quiet = 0;
16 static int deleted = 0;
17
print_usage(void)18 static void print_usage(void)
19 {
20 printf(
21 "Usage: nl-addr-delete [OPTION]... [ADDRESS]\n"
22 "\n"
23 "Options\n"
24 " -i, --interactive Run interactively.\n"
25 " --yes Set default answer to yes.\n"
26 " -q, --quiet Do not print informal notifications.\n"
27 " -h, --help Show this help.\n"
28 " -v, --version Show versioning information.\n"
29 "\n"
30 "Address Options\n"
31 " -a, --local=ADDR Local address.\n"
32 " -d, --dev=DEV Associated network device.\n"
33 " --family=FAMILY Family of local address.\n"
34 " --label=STRING Address label (IPv4).\n"
35 " --peer=ADDR Peer address (IPv4).\n"
36 " --scope=SCOPE Address scope (IPv4).\n"
37 " --broadcast=ADDR Broadcast address of network (IPv4).\n"
38 " --valid-lifetime=TS Valid lifetime before route expires (IPv6).\n"
39 " --preferred=TIME Preferred lifetime (IPv6).\n"
40 " --valid=TIME Valid lifetime (IPv6).\n"
41 );
42
43 exit(0);
44 }
45
delete_cb(struct nl_object * obj,void * arg)46 static void delete_cb(struct nl_object *obj, void *arg)
47 {
48 struct rtnl_addr *addr = nl_object_priv(obj);
49 struct nl_dump_params params = {
50 .dp_type = NL_DUMP_LINE,
51 .dp_fd = stdout,
52 };
53 int err;
54
55 if (interactive && !nl_cli_confirm(obj, ¶ms, default_yes))
56 return;
57
58 if ((err = rtnl_addr_delete(sock, addr, 0)) < 0)
59 nl_cli_fatal(err, "Unable to delete address: %s\n",
60 nl_geterror(err));
61
62 if (!quiet) {
63 printf("Deleted ");
64 nl_object_dump(obj, ¶ms);
65 }
66
67 deleted++;
68 }
69
main(int argc,char * argv[])70 int main(int argc, char *argv[])
71 {
72 struct rtnl_addr *addr;
73 struct nl_cache *link_cache, *addr_cache;
74
75 sock = nl_cli_alloc_socket();
76 nl_cli_connect(sock, NETLINK_ROUTE);
77 link_cache = nl_cli_link_alloc_cache(sock);
78 addr_cache = nl_cli_addr_alloc_cache(sock);
79 addr = nl_cli_addr_alloc();
80
81 for (;;) {
82 int c, optidx = 0;
83 enum {
84 ARG_FAMILY = 257,
85 ARG_LABEL = 258,
86 ARG_YES,
87 ARG_PEER,
88 ARG_SCOPE,
89 ARG_BROADCAST,
90 ARG_PREFERRED,
91 ARG_VALID,
92 };
93 static struct option long_opts[] = {
94 { "interactive", 0, 0, 'i' },
95 { "yes", 0, 0, ARG_YES },
96 { "quiet", 0, 0, 'q' },
97 { "help", 0, 0, 'h' },
98 { "version", 0, 0, 'v' },
99 { "local", 1, 0, 'a' },
100 { "dev", 1, 0, 'd' },
101 { "family", 1, 0, ARG_FAMILY },
102 { "label", 1, 0, ARG_LABEL },
103 { "peer", 1, 0, ARG_PEER },
104 { "scope", 1, 0, ARG_SCOPE },
105 { "broadcast", 1, 0, ARG_BROADCAST },
106 { "preferred", 1, 0, ARG_PREFERRED },
107 { "valid", 1, 0, ARG_VALID },
108 { 0, 0, 0, 0 }
109 };
110
111 c = getopt_long(argc, argv, "iqhva:d:", long_opts, &optidx);
112 if (c == -1)
113 break;
114
115 switch (c) {
116 case 'i': interactive = 1; break;
117 case ARG_YES: default_yes = 1; break;
118 case 'q': quiet = 1; break;
119 case 'h': print_usage(); break;
120 case 'v': nl_cli_print_version(); break;
121 case 'a': nl_cli_addr_parse_local(addr, optarg); break;
122 case 'd': nl_cli_addr_parse_dev(addr, link_cache, optarg); break;
123 case ARG_FAMILY: nl_cli_addr_parse_family(addr, optarg); break;
124 case ARG_LABEL: nl_cli_addr_parse_label(addr, optarg); break;
125 case ARG_PEER: nl_cli_addr_parse_peer(addr, optarg); break;
126 case ARG_SCOPE: nl_cli_addr_parse_scope(addr, optarg); break;
127 case ARG_BROADCAST: nl_cli_addr_parse_broadcast(addr, optarg); break;
128 case ARG_PREFERRED: nl_cli_addr_parse_preferred(addr, optarg); break;
129 case ARG_VALID: nl_cli_addr_parse_valid(addr, optarg); break;
130 }
131 }
132
133 nl_cache_foreach_filter(addr_cache, OBJ_CAST(addr), delete_cb, NULL);
134
135 if (!quiet)
136 printf("Deleted %d addresses\n", deleted);
137
138 return 0;
139 }
140