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git.proxmox.com Git - mirror_iproute2.git/blob - ip/ip.c
2 * ip.c "ip" utility frontend.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
14 * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
22 #include <sys/socket.h>
23 #include <netinet/in.h>
29 #include "ip_common.h"
31 int preferred_family
= AF_UNSPEC
;
33 int resolve_hosts
= 0;
37 char *batch_file
= NULL
;
39 struct rtnl_handle rth
;
41 static void usage(void) __attribute__((noreturn
));
43 static void usage(void)
46 "Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }\n"
47 " ip [ -force ] [-batch filename\n"
48 "where OBJECT := { link | addr | route | rule | neigh | tunnel |\n"
49 " maddr | mroute | monitor | xfrm }\n"
50 " OPTIONS := { -V[ersion] | -s[tatistics] | -r[esolve] |\n"
51 " -f[amily] { inet | inet6 | ipx | dnet | link } |\n"
52 " -o[neline] | -t[imestamp] }\n");
56 static int do_help(int argc
, char **argv
)
61 static const struct cmd
{
63 int (*func
)(int argc
, char **argv
);
65 { "addr", do_ipaddr
},
66 { "maddr", do_multiaddr
},
67 { "route", do_iproute
},
68 { "rule", do_iprule
},
69 { "neigh", do_ipneigh
},
70 { "link", do_iplink
},
71 { "tunnel", do_iptunnel
},
72 { "monitor", do_ipmonitor
},
78 static int do_cmd(const char *argv0
, int argc
, char **argv
)
82 for (c
= cmds
; c
->cmd
; ++c
)
83 if (strcmp(c
->cmd
, argv0
) == 0)
84 return c
->func(argc
-1, argv
+1);
86 fprintf(stderr
, "Object \"%s\" is unknown, try \"ip help\".\n", argv0
);
90 static int batch(const char *name
)
97 if (name
&& strcmp(name
, "-") != 0) {
98 if (freopen(name
, "r", stdin
) == NULL
) {
99 fprintf(stderr
, "Cannot open file \"%s\" for reading: %s=n",
100 name
, strerror(errno
));
105 if (rtnl_open(&rth
, 0) < 0) {
106 fprintf(stderr
, "Cannot open rtnetlink\n");
110 while (getcmdline(&line
, &len
, stdin
) != -1) {
114 largc
= makeargs(line
, largv
, 100);
116 continue; /* blank line */
118 if (do_cmd(largv
[0], largc
, largv
)) {
119 fprintf(stderr
, "Command failed %s:%d\n", name
, lineno
);
131 int main(int argc
, char **argv
)
135 basename
= strrchr(argv
[0], '/');
136 if (basename
== NULL
)
143 if (strcmp(opt
,"--") == 0) {
151 if (matches(opt
, "-family") == 0) {
156 if (strcmp(argv
[1], "inet") == 0)
157 preferred_family
= AF_INET
;
158 else if (strcmp(argv
[1], "inet6") == 0)
159 preferred_family
= AF_INET6
;
160 else if (strcmp(argv
[1], "dnet") == 0)
161 preferred_family
= AF_DECnet
;
162 else if (strcmp(argv
[1], "link") == 0)
163 preferred_family
= AF_PACKET
;
164 else if (strcmp(argv
[1], "ipx") == 0)
165 preferred_family
= AF_IPX
;
166 else if (strcmp(argv
[1], "help") == 0)
169 invarg(argv
[1], "invalid protocol family");
170 } else if (strcmp(opt
, "-4") == 0) {
171 preferred_family
= AF_INET
;
172 } else if (strcmp(opt
, "-6") == 0) {
173 preferred_family
= AF_INET6
;
174 } else if (strcmp(opt
, "-0") == 0) {
175 preferred_family
= AF_PACKET
;
176 } else if (strcmp(opt
, "-I") == 0) {
177 preferred_family
= AF_IPX
;
178 } else if (strcmp(opt
, "-D") == 0) {
179 preferred_family
= AF_DECnet
;
180 } else if (matches(opt
, "-stats") == 0 ||
181 matches(opt
, "-statistics") == 0) {
183 } else if (matches(opt
, "-resolve") == 0) {
185 } else if (matches(opt
, "-oneline") == 0) {
187 } else if (matches(opt
, "-timestamp") == 0) {
190 } else if (matches(opt
, "-numeric") == 0) {
191 rtnl_names_numeric
++;
193 } else if (matches(opt
, "-Version") == 0) {
194 printf("ip utility, iproute2-ss%s\n", SNAPSHOT
);
196 } else if (matches(opt
, "-force") == 0) {
198 } else if (matches(opt
, "-batch") == 0) {
203 batch_file
= argv
[1];
204 } else if (matches(opt
, "-help") == 0) {
207 fprintf(stderr
, "Option \"%s\" is unknown, try \"ip -help\".\n", opt
);
213 _SL_
= oneline
? "\\" : "\n" ;
216 return batch(batch_file
);
218 if (rtnl_open(&rth
, 0) < 0)
221 if (strlen(basename
) > 2)
222 return do_cmd(basename
+2, argc
, argv
);
225 return do_cmd(argv
[1], argc
-1, argv
+1);