osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1 | /* |
| 2 | * ip.c "ip" utility frontend. |
| 3 | * |
| 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. |
| 8 | * |
| 9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | #include <unistd.h> |
| 15 | #include <syslog.h> |
| 16 | #include <fcntl.h> |
| 17 | #include <sys/socket.h> |
| 18 | #include <netinet/in.h> |
| 19 | #include <string.h> |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 20 | #include <errno.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 21 | |
| 22 | #include "SNAPSHOT.h" |
| 23 | #include "utils.h" |
| 24 | #include "ip_common.h" |
| 25 | |
| 26 | int preferred_family = AF_UNSPEC; |
| 27 | int show_stats = 0; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 28 | int show_details = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 29 | int resolve_hosts = 0; |
| 30 | int oneline = 0; |
shemminger | 90f9302 | 2005-06-07 21:55:55 +0000 | [diff] [blame] | 31 | int timestamp = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 32 | char * _SL_ = NULL; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 33 | char *batch_file = NULL; |
| 34 | int force = 0; |
Ben Greear | 64c7956 | 2010-12-01 11:13:51 -0800 | [diff] [blame] | 35 | int max_flush_loops = 10; |
| 36 | |
Stephen Hemminger | 3bfa73f | 2006-09-26 10:41:57 -0700 | [diff] [blame] | 37 | struct rtnl_handle rth = { .fd = -1 }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 38 | |
| 39 | static void usage(void) __attribute__((noreturn)); |
| 40 | |
| 41 | static void usage(void) |
| 42 | { |
| 43 | fprintf(stderr, |
| 44 | "Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }\n" |
Petr Jediný | 10494d2 | 2008-08-07 16:45:33 +0200 | [diff] [blame] | 45 | " ip [ -force ] -batch filename\n" |
YOSHIFUJI Hideaki / 吉藤英明 | 4759758 | 2008-02-14 03:20:12 +1100 | [diff] [blame] | 46 | "where OBJECT := { link | addr | addrlabel | route | rule | neigh | ntable |\n" |
Eric W. Biederman | 0dc34c7 | 2011-07-13 09:48:26 -0700 | [diff] [blame] | 47 | " tunnel | tuntap | maddr | mroute | mrule | monitor | xfrm |\n" |
Julian Anastasov | ea63a69 | 2012-10-03 12:07:39 +0000 | [diff] [blame] | 48 | " netns | l2tp | tcp_metrics }\n" |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 49 | " OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |\n" |
Stephen Hemminger | 27bca61 | 2012-09-17 15:50:27 -0700 | [diff] [blame] | 50 | " -f[amily] { inet | inet6 | ipx | dnet | bridge | link } |\n" |
Ben Greear | 64c7956 | 2010-12-01 11:13:51 -0800 | [diff] [blame] | 51 | " -l[oops] { maximum-addr-flush-attempts } |\n" |
Patrick McHardy | 7f03191 | 2009-10-28 20:50:48 +0100 | [diff] [blame] | 52 | " -o[neline] | -t[imestamp] | -b[atch] [filename] |\n" |
| 53 | " -rc[vbuf] [size]}\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 54 | exit(-1); |
| 55 | } |
| 56 | |
shemminger | fc57a9d | 2005-09-07 17:43:00 +0000 | [diff] [blame] | 57 | static int do_help(int argc, char **argv) |
| 58 | { |
| 59 | usage(); |
Kees van Reeuwijk | ecf5242 | 2013-02-08 03:32:36 +0000 | [diff] [blame^] | 60 | return 0; |
shemminger | fc57a9d | 2005-09-07 17:43:00 +0000 | [diff] [blame] | 61 | } |
| 62 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 63 | static const struct cmd { |
| 64 | const char *cmd; |
| 65 | int (*func)(int argc, char **argv); |
| 66 | } cmds[] = { |
shemminger | ede7239 | 2005-11-22 17:30:43 +0000 | [diff] [blame] | 67 | { "address", do_ipaddr }, |
YOSHIFUJI Hideaki / 吉藤英明 | 4759758 | 2008-02-14 03:20:12 +1100 | [diff] [blame] | 68 | { "addrlabel", do_ipaddrlabel }, |
shemminger | ede7239 | 2005-11-22 17:30:43 +0000 | [diff] [blame] | 69 | { "maddress", do_multiaddr }, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 70 | { "route", do_iproute }, |
| 71 | { "rule", do_iprule }, |
shemminger | ede7239 | 2005-11-22 17:30:43 +0000 | [diff] [blame] | 72 | { "neighbor", do_ipneigh }, |
| 73 | { "neighbour", do_ipneigh }, |
shemminger | 09954dc | 2006-01-10 18:43:32 +0000 | [diff] [blame] | 74 | { "ntable", do_ipntable }, |
| 75 | { "ntbl", do_ipntable }, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 76 | { "link", do_iplink }, |
Stephen Hemminger | 5aa08f6 | 2012-01-20 08:16:02 -0800 | [diff] [blame] | 77 | { "l2tp", do_ipl2tp }, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 78 | { "tunnel", do_iptunnel }, |
shemminger | ede7239 | 2005-11-22 17:30:43 +0000 | [diff] [blame] | 79 | { "tunl", do_iptunnel }, |
David Woodhouse | 580fbd8 | 2009-09-19 09:48:43 -0700 | [diff] [blame] | 80 | { "tuntap", do_iptuntap }, |
| 81 | { "tap", do_iptuntap }, |
Julian Anastasov | ea63a69 | 2012-10-03 12:07:39 +0000 | [diff] [blame] | 82 | { "tcpmetrics", do_tcp_metrics }, |
| 83 | { "tcp_metrics",do_tcp_metrics }, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 84 | { "monitor", do_ipmonitor }, |
| 85 | { "xfrm", do_xfrm }, |
shemminger | 84616f8 | 2005-10-07 16:41:34 +0000 | [diff] [blame] | 86 | { "mroute", do_multiroute }, |
Patrick McHardy | b6c8e80 | 2010-06-09 17:41:10 +0200 | [diff] [blame] | 87 | { "mrule", do_multirule }, |
Eric W. Biederman | 0dc34c7 | 2011-07-13 09:48:26 -0700 | [diff] [blame] | 88 | { "netns", do_netns }, |
Nicolas Dichtel | 9d0efc1 | 2012-12-12 09:09:23 -0800 | [diff] [blame] | 89 | { "netconf", do_ipnetconf }, |
shemminger | fc57a9d | 2005-09-07 17:43:00 +0000 | [diff] [blame] | 90 | { "help", do_help }, |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 91 | { 0 } |
| 92 | }; |
| 93 | |
| 94 | static int do_cmd(const char *argv0, int argc, char **argv) |
| 95 | { |
shemminger | e25d697 | 2005-12-02 20:02:26 +0000 | [diff] [blame] | 96 | const struct cmd *c; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 97 | |
shemminger | ede7239 | 2005-11-22 17:30:43 +0000 | [diff] [blame] | 98 | for (c = cmds; c->cmd; ++c) { |
Stephen Hemminger | 7397944 | 2011-10-13 08:38:33 -0700 | [diff] [blame] | 99 | if (matches(argv0, c->cmd) == 0) { |
| 100 | return -(c->func(argc-1, argv+1)); |
| 101 | } |
shemminger | ede7239 | 2005-11-22 17:30:43 +0000 | [diff] [blame] | 102 | } |
| 103 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 104 | fprintf(stderr, "Object \"%s\" is unknown, try \"ip help\".\n", argv0); |
Stephen Hemminger | 7397944 | 2011-10-13 08:38:33 -0700 | [diff] [blame] | 105 | return EXIT_FAILURE; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | static int batch(const char *name) |
| 109 | { |
| 110 | char *line = NULL; |
| 111 | size_t len = 0; |
Stephen Hemminger | 7397944 | 2011-10-13 08:38:33 -0700 | [diff] [blame] | 112 | int ret = EXIT_SUCCESS; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 113 | |
| 114 | if (name && strcmp(name, "-") != 0) { |
| 115 | if (freopen(name, "r", stdin) == NULL) { |
Stephen Hemminger | 692e075 | 2008-01-21 13:46:08 -0800 | [diff] [blame] | 116 | fprintf(stderr, "Cannot open file \"%s\" for reading: %s\n", |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 117 | name, strerror(errno)); |
Stephen Hemminger | 7397944 | 2011-10-13 08:38:33 -0700 | [diff] [blame] | 118 | return EXIT_FAILURE; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 119 | } |
| 120 | } |
| 121 | |
| 122 | if (rtnl_open(&rth, 0) < 0) { |
| 123 | fprintf(stderr, "Cannot open rtnetlink\n"); |
Stephen Hemminger | 7397944 | 2011-10-13 08:38:33 -0700 | [diff] [blame] | 124 | return EXIT_FAILURE; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 125 | } |
| 126 | |
Stephen Hemminger | 3e4f6a3 | 2010-03-03 16:31:09 -0800 | [diff] [blame] | 127 | cmdlineno = 0; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 128 | while (getcmdline(&line, &len, stdin) != -1) { |
| 129 | char *largv[100]; |
| 130 | int largc; |
| 131 | |
| 132 | largc = makeargs(line, largv, 100); |
| 133 | if (largc == 0) |
| 134 | continue; /* blank line */ |
| 135 | |
| 136 | if (do_cmd(largv[0], largc, largv)) { |
Stephen Hemminger | 3e4f6a3 | 2010-03-03 16:31:09 -0800 | [diff] [blame] | 137 | fprintf(stderr, "Command failed %s:%d\n", name, cmdlineno); |
Stephen Hemminger | 7397944 | 2011-10-13 08:38:33 -0700 | [diff] [blame] | 138 | ret = EXIT_FAILURE; |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 139 | if (!force) |
| 140 | break; |
| 141 | } |
| 142 | } |
shemminger | 8ed63ab | 2005-09-21 19:33:17 +0000 | [diff] [blame] | 143 | if (line) |
| 144 | free(line); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 145 | |
| 146 | rtnl_close(&rth); |
| 147 | return ret; |
| 148 | } |
| 149 | |
| 150 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 151 | int main(int argc, char **argv) |
| 152 | { |
| 153 | char *basename; |
| 154 | |
| 155 | basename = strrchr(argv[0], '/'); |
| 156 | if (basename == NULL) |
| 157 | basename = argv[0]; |
| 158 | else |
| 159 | basename++; |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 160 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 161 | while (argc > 1) { |
| 162 | char *opt = argv[1]; |
| 163 | if (strcmp(opt,"--") == 0) { |
| 164 | argc--; argv++; |
| 165 | break; |
| 166 | } |
| 167 | if (opt[0] != '-') |
| 168 | break; |
| 169 | if (opt[1] == '-') |
| 170 | opt++; |
Ben Greear | 64c7956 | 2010-12-01 11:13:51 -0800 | [diff] [blame] | 171 | if (matches(opt, "-loops") == 0) { |
| 172 | argc--; |
| 173 | argv++; |
| 174 | if (argc <= 1) |
| 175 | usage(); |
| 176 | max_flush_loops = atoi(argv[1]); |
| 177 | } else if (matches(opt, "-family") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 178 | argc--; |
| 179 | argv++; |
| 180 | if (argc <= 1) |
| 181 | usage(); |
| 182 | if (strcmp(argv[1], "inet") == 0) |
| 183 | preferred_family = AF_INET; |
| 184 | else if (strcmp(argv[1], "inet6") == 0) |
| 185 | preferred_family = AF_INET6; |
| 186 | else if (strcmp(argv[1], "dnet") == 0) |
| 187 | preferred_family = AF_DECnet; |
| 188 | else if (strcmp(argv[1], "link") == 0) |
| 189 | preferred_family = AF_PACKET; |
| 190 | else if (strcmp(argv[1], "ipx") == 0) |
| 191 | preferred_family = AF_IPX; |
Stephen Hemminger | 27bca61 | 2012-09-17 15:50:27 -0700 | [diff] [blame] | 192 | else if (strcmp(argv[1], "bridge") == 0) |
| 193 | preferred_family = AF_BRIDGE; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 194 | else if (strcmp(argv[1], "help") == 0) |
| 195 | usage(); |
| 196 | else |
Dan Kenigsberg | f1675d6 | 2012-08-16 02:25:56 +0000 | [diff] [blame] | 197 | invarg("invalid protocol family", argv[1]); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 198 | } else if (strcmp(opt, "-4") == 0) { |
| 199 | preferred_family = AF_INET; |
| 200 | } else if (strcmp(opt, "-6") == 0) { |
| 201 | preferred_family = AF_INET6; |
| 202 | } else if (strcmp(opt, "-0") == 0) { |
| 203 | preferred_family = AF_PACKET; |
| 204 | } else if (strcmp(opt, "-I") == 0) { |
| 205 | preferred_family = AF_IPX; |
| 206 | } else if (strcmp(opt, "-D") == 0) { |
| 207 | preferred_family = AF_DECnet; |
Stephen Hemminger | 27bca61 | 2012-09-17 15:50:27 -0700 | [diff] [blame] | 208 | } else if (strcmp(opt, "-B") == 0) { |
| 209 | preferred_family = AF_BRIDGE; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 210 | } else if (matches(opt, "-stats") == 0 || |
| 211 | matches(opt, "-statistics") == 0) { |
| 212 | ++show_stats; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 213 | } else if (matches(opt, "-details") == 0) { |
| 214 | ++show_details; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 215 | } else if (matches(opt, "-resolve") == 0) { |
| 216 | ++resolve_hosts; |
| 217 | } else if (matches(opt, "-oneline") == 0) { |
| 218 | ++oneline; |
shemminger | 90f9302 | 2005-06-07 21:55:55 +0000 | [diff] [blame] | 219 | } else if (matches(opt, "-timestamp") == 0) { |
| 220 | ++timestamp; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 221 | #if 0 |
| 222 | } else if (matches(opt, "-numeric") == 0) { |
| 223 | rtnl_names_numeric++; |
| 224 | #endif |
| 225 | } else if (matches(opt, "-Version") == 0) { |
| 226 | printf("ip utility, iproute2-ss%s\n", SNAPSHOT); |
| 227 | exit(0); |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 228 | } else if (matches(opt, "-force") == 0) { |
| 229 | ++force; |
| 230 | } else if (matches(opt, "-batch") == 0) { |
| 231 | argc--; |
| 232 | argv++; |
| 233 | if (argc <= 1) |
| 234 | usage(); |
| 235 | batch_file = argv[1]; |
Patrick McHardy | 7f03191 | 2009-10-28 20:50:48 +0100 | [diff] [blame] | 236 | } else if (matches(opt, "-rcvbuf") == 0) { |
| 237 | unsigned int size; |
| 238 | |
| 239 | argc--; |
| 240 | argv++; |
| 241 | if (argc <= 1) |
| 242 | usage(); |
| 243 | if (get_unsigned(&size, argv[1], 0)) { |
| 244 | fprintf(stderr, "Invalid rcvbuf size '%s'\n", |
| 245 | argv[1]); |
| 246 | exit(-1); |
| 247 | } |
| 248 | rcvbuf = size; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 249 | } else if (matches(opt, "-help") == 0) { |
| 250 | usage(); |
| 251 | } else { |
| 252 | fprintf(stderr, "Option \"%s\" is unknown, try \"ip -help\".\n", opt); |
| 253 | exit(-1); |
| 254 | } |
| 255 | argc--; argv++; |
| 256 | } |
| 257 | |
| 258 | _SL_ = oneline ? "\\" : "\n" ; |
| 259 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 260 | if (batch_file) |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 261 | return batch(batch_file); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 262 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 263 | if (rtnl_open(&rth, 0) < 0) |
| 264 | exit(1); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 265 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 266 | if (strlen(basename) > 2) |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 267 | return do_cmd(basename+2, argc, argv); |
| 268 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 269 | if (argc > 1) |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 270 | return do_cmd(argv[1], argc-1, argv+1); |
| 271 | |
| 272 | rtnl_close(&rth); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 273 | usage(); |
| 274 | } |