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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>
17 #include <sys/socket.h>
18 #include <netinet/in.h>
24 #include "ip_common.h"
25 #include "namespace.h"
27 int preferred_family
= AF_UNSPEC
;
28 int human_readable
= 0;
32 int resolve_hosts
= 0;
37 int max_flush_loops
= 10;
41 struct rtnl_handle rth
= { .fd
= -1 };
43 static void usage(void) __attribute__((noreturn
));
45 static void usage(void)
48 "Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }\n"
49 " ip [ -force ] -batch filename\n"
50 "where OBJECT := { link | addr | addrlabel | route | rule | neigh | ntable |\n"
51 " tunnel | tuntap | maddr | mroute | mrule | monitor | xfrm |\n"
52 " netns | l2tp | fou | tcp_metrics | token | netconf }\n"
53 " OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |\n"
54 " -h[uman-readable] | -iec |\n"
55 " -f[amily] { inet | inet6 | ipx | dnet | mpls | bridge | link } |\n"
56 " -4 | -6 | -I | -D | -B | -0 |\n"
57 " -l[oops] { maximum-addr-flush-attempts } |\n"
58 " -o[neline] | -t[imestamp] | -ts[hort] | -b[atch] [filename] |\n"
59 " -rc[vbuf] [size] | -n[etns] name | -a[ll] }\n");
63 static int do_help(int argc
, char **argv
)
69 static const struct cmd
{
71 int (*func
)(int argc
, char **argv
);
73 { "address", do_ipaddr
},
74 { "addrlabel", do_ipaddrlabel
},
75 { "maddress", do_multiaddr
},
76 { "route", do_iproute
},
77 { "rule", do_iprule
},
78 { "neighbor", do_ipneigh
},
79 { "neighbour", do_ipneigh
},
80 { "ntable", do_ipntable
},
81 { "ntbl", do_ipntable
},
82 { "link", do_iplink
},
83 { "l2tp", do_ipl2tp
},
85 { "tunnel", do_iptunnel
},
86 { "tunl", do_iptunnel
},
87 { "tuntap", do_iptuntap
},
88 { "tap", do_iptuntap
},
89 { "token", do_iptoken
},
90 { "tcpmetrics", do_tcp_metrics
},
91 { "tcp_metrics",do_tcp_metrics
},
92 { "monitor", do_ipmonitor
},
94 { "mroute", do_multiroute
},
95 { "mrule", do_multirule
},
96 { "netns", do_netns
},
97 { "netconf", do_ipnetconf
},
102 static int do_cmd(const char *argv0
, int argc
, char **argv
)
106 for (c
= cmds
; c
->cmd
; ++c
) {
107 if (matches(argv0
, c
->cmd
) == 0) {
108 return -(c
->func(argc
-1, argv
+1));
112 fprintf(stderr
, "Object \"%s\" is unknown, try \"ip help\".\n", argv0
);
116 static int batch(const char *name
)
120 int ret
= EXIT_SUCCESS
;
124 if (name
&& strcmp(name
, "-") != 0) {
125 if (freopen(name
, "r", stdin
) == NULL
) {
126 fprintf(stderr
, "Cannot open file \"%s\" for reading: %s\n",
127 name
, strerror(errno
));
132 if (rtnl_open(&rth
, 0) < 0) {
133 fprintf(stderr
, "Cannot open rtnetlink\n");
138 while (getcmdline(&line
, &len
, stdin
) != -1) {
142 largc
= makeargs(line
, largv
, 100);
144 continue; /* blank line */
146 if (do_cmd(largv
[0], largc
, largv
)) {
147 fprintf(stderr
, "Command failed %s:%d\n", name
, cmdlineno
);
161 int main(int argc
, char **argv
)
164 char *batch_file
= NULL
;
166 basename
= strrchr(argv
[0], '/');
167 if (basename
== NULL
)
174 if (strcmp(opt
,"--") == 0) {
182 if (matches(opt
, "-loops") == 0) {
187 max_flush_loops
= atoi(argv
[1]);
188 } else if (matches(opt
, "-family") == 0) {
193 if (strcmp(argv
[1], "help") == 0)
196 preferred_family
= read_family(argv
[1]);
197 if (preferred_family
== AF_UNSPEC
)
198 invarg("invalid protocol family", argv
[1]);
199 } else if (strcmp(opt
, "-4") == 0) {
200 preferred_family
= AF_INET
;
201 } else if (strcmp(opt
, "-6") == 0) {
202 preferred_family
= AF_INET6
;
203 } else if (strcmp(opt
, "-0") == 0) {
204 preferred_family
= AF_PACKET
;
205 } else if (strcmp(opt
, "-I") == 0) {
206 preferred_family
= AF_IPX
;
207 } else if (strcmp(opt
, "-D") == 0) {
208 preferred_family
= AF_DECnet
;
209 } else if (strcmp(opt
, "-M") == 0) {
210 preferred_family
= AF_MPLS
;
211 } else if (strcmp(opt
, "-B") == 0) {
212 preferred_family
= AF_BRIDGE
;
213 } else if (matches(opt
, "-human") == 0 ||
214 matches(opt
, "-human-readable") == 0) {
216 } else if (matches(opt
, "-iec") == 0) {
218 } else if (matches(opt
, "-stats") == 0 ||
219 matches(opt
, "-statistics") == 0) {
221 } else if (matches(opt
, "-details") == 0) {
223 } else if (matches(opt
, "-resolve") == 0) {
225 } else if (matches(opt
, "-oneline") == 0) {
227 } else if (matches(opt
, "-timestamp") == 0) {
229 } else if (matches(opt
, "-tshort") == 0) {
233 } else if (matches(opt
, "-numeric") == 0) {
234 rtnl_names_numeric
++;
236 } else if (matches(opt
, "-Version") == 0) {
237 printf("ip utility, iproute2-ss%s\n", SNAPSHOT
);
239 } else if (matches(opt
, "-force") == 0) {
241 } else if (matches(opt
, "-batch") == 0) {
246 batch_file
= argv
[1];
247 } else if (matches(opt
, "-rcvbuf") == 0) {
254 if (get_unsigned(&size
, argv
[1], 0)) {
255 fprintf(stderr
, "Invalid rcvbuf size '%s'\n",
260 } else if (matches(opt
, "-help") == 0) {
262 } else if (matches(opt
, "-netns") == 0) {
264 if (netns_switch(argv
[1]))
266 } else if (matches(opt
, "-all") == 0) {
269 fprintf(stderr
, "Option \"%s\" is unknown, try \"ip -help\".\n", opt
);
275 _SL_
= oneline
? "\\" : "\n" ;
278 return batch(batch_file
);
280 if (rtnl_open(&rth
, 0) < 0)
283 if (strlen(basename
) > 2)
284 return do_cmd(basename
+2, argc
, argv
);
287 return do_cmd(argv
[1], argc
-1, argv
+1);