osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1 | /* |
| 2 | * iprule.c "ip rule". |
| 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> |
| 10 | * |
| 11 | * |
| 12 | * Changes: |
| 13 | * |
| 14 | * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses |
| 15 | */ |
| 16 | |
| 17 | #include <stdio.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <unistd.h> |
| 20 | #include <syslog.h> |
| 21 | #include <fcntl.h> |
| 22 | #include <sys/socket.h> |
| 23 | #include <netinet/in.h> |
| 24 | #include <netinet/ip.h> |
| 25 | #include <arpa/inet.h> |
| 26 | #include <string.h> |
Thomas Graf | 3123a0c | 2006-11-09 12:38:02 +0100 | [diff] [blame] | 27 | #include <linux/fib_rules.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 28 | |
| 29 | #include "rt_names.h" |
| 30 | #include "utils.h" |
Patrick McHardy | 34e9564 | 2006-08-11 00:14:51 +0200 | [diff] [blame] | 31 | #include "ip_common.h" |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 32 | |
shemminger | 351efcd | 2005-09-01 19:21:50 +0000 | [diff] [blame] | 33 | extern struct rtnl_handle rth; |
| 34 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 35 | static void usage(void) __attribute__((noreturn)); |
| 36 | |
| 37 | static void usage(void) |
| 38 | { |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 39 | fprintf(stderr, "Usage: ip rule [ list | add | del | flush ] SELECTOR ACTION\n"); |
Thomas Graf | 3123a0c | 2006-11-09 12:38:02 +0100 | [diff] [blame] | 40 | fprintf(stderr, "SELECTOR := [ not ] [ from PREFIX ] [ to PREFIX ] [ tos TOS ] [ fwmark FWMARK ]\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 41 | fprintf(stderr, " [ dev STRING ] [ pref NUMBER ]\n"); |
net[shemminger]!shemminger | 526afe4 | 2005-01-17 23:27:23 +0000 | [diff] [blame] | 42 | fprintf(stderr, "ACTION := [ table TABLE_ID ]\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 43 | fprintf(stderr, " [ prohibit | reject | unreachable ]\n"); |
| 44 | fprintf(stderr, " [ realms [SRCREALM/]DSTREALM ]\n"); |
| 45 | fprintf(stderr, "TABLE_ID := [ local | main | default | NUMBER ]\n"); |
| 46 | exit(-1); |
| 47 | } |
| 48 | |
Thomas Graf | 98bde98 | 2006-11-10 12:27:10 +0100 | [diff] [blame] | 49 | int print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 50 | { |
| 51 | FILE *fp = (FILE*)arg; |
| 52 | struct rtmsg *r = NLMSG_DATA(n); |
| 53 | int len = n->nlmsg_len; |
| 54 | int host_len = -1; |
Patrick McHardy | 34e9564 | 2006-08-11 00:14:51 +0200 | [diff] [blame] | 55 | __u32 table; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 56 | struct rtattr * tb[RTA_MAX+1]; |
| 57 | char abuf[256]; |
| 58 | SPRINT_BUF(b1); |
| 59 | |
Thomas Graf | 98bde98 | 2006-11-10 12:27:10 +0100 | [diff] [blame] | 60 | if (n->nlmsg_type != RTM_NEWRULE && n->nlmsg_type != RTM_DELRULE) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 61 | return 0; |
| 62 | |
| 63 | len -= NLMSG_LENGTH(sizeof(*r)); |
| 64 | if (len < 0) |
| 65 | return -1; |
| 66 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 67 | parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len); |
| 68 | |
| 69 | if (r->rtm_family == AF_INET) |
| 70 | host_len = 32; |
| 71 | else if (r->rtm_family == AF_INET6) |
| 72 | host_len = 128; |
| 73 | else if (r->rtm_family == AF_DECnet) |
| 74 | host_len = 16; |
| 75 | else if (r->rtm_family == AF_IPX) |
| 76 | host_len = 80; |
| 77 | |
Thomas Graf | 98bde98 | 2006-11-10 12:27:10 +0100 | [diff] [blame] | 78 | if (n->nlmsg_type == RTM_DELRULE) |
| 79 | fprintf(fp, "Deleted "); |
| 80 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 81 | if (tb[RTA_PRIORITY]) |
| 82 | fprintf(fp, "%u:\t", *(unsigned*)RTA_DATA(tb[RTA_PRIORITY])); |
| 83 | else |
| 84 | fprintf(fp, "0:\t"); |
| 85 | |
Thomas Graf | 3123a0c | 2006-11-09 12:38:02 +0100 | [diff] [blame] | 86 | if (r->rtm_flags & FIB_RULE_INVERT) |
| 87 | fprintf(fp, "not "); |
| 88 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 89 | if (tb[RTA_SRC]) { |
| 90 | if (r->rtm_src_len != host_len) { |
| 91 | fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family, |
| 92 | RTA_PAYLOAD(tb[RTA_SRC]), |
| 93 | RTA_DATA(tb[RTA_SRC]), |
| 94 | abuf, sizeof(abuf)), |
| 95 | r->rtm_src_len |
| 96 | ); |
| 97 | } else { |
| 98 | fprintf(fp, "from %s ", format_host(r->rtm_family, |
| 99 | RTA_PAYLOAD(tb[RTA_SRC]), |
| 100 | RTA_DATA(tb[RTA_SRC]), |
| 101 | abuf, sizeof(abuf)) |
| 102 | ); |
| 103 | } |
| 104 | } else if (r->rtm_src_len) { |
| 105 | fprintf(fp, "from 0/%d ", r->rtm_src_len); |
| 106 | } else { |
| 107 | fprintf(fp, "from all "); |
| 108 | } |
| 109 | |
| 110 | if (tb[RTA_DST]) { |
| 111 | if (r->rtm_dst_len != host_len) { |
| 112 | fprintf(fp, "to %s/%u ", rt_addr_n2a(r->rtm_family, |
| 113 | RTA_PAYLOAD(tb[RTA_DST]), |
| 114 | RTA_DATA(tb[RTA_DST]), |
| 115 | abuf, sizeof(abuf)), |
| 116 | r->rtm_dst_len |
| 117 | ); |
| 118 | } else { |
| 119 | fprintf(fp, "to %s ", format_host(r->rtm_family, |
| 120 | RTA_PAYLOAD(tb[RTA_DST]), |
| 121 | RTA_DATA(tb[RTA_DST]), |
| 122 | abuf, sizeof(abuf))); |
| 123 | } |
| 124 | } else if (r->rtm_dst_len) { |
| 125 | fprintf(fp, "to 0/%d ", r->rtm_dst_len); |
| 126 | } |
| 127 | |
| 128 | if (r->rtm_tos) { |
| 129 | SPRINT_BUF(b1); |
| 130 | fprintf(fp, "tos %s ", rtnl_dsfield_n2a(r->rtm_tos, b1, sizeof(b1))); |
| 131 | } |
| 132 | if (tb[RTA_PROTOINFO]) { |
org[shemminger]!shemminger | 4fb466f | 2004-06-07 22:02:48 +0000 | [diff] [blame] | 133 | fprintf(fp, "fwmark %#x ", *(__u32*)RTA_DATA(tb[RTA_PROTOINFO])); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | if (tb[RTA_IIF]) { |
| 137 | fprintf(fp, "iif %s ", (char*)RTA_DATA(tb[RTA_IIF])); |
| 138 | } |
| 139 | |
Patrick McHardy | 34e9564 | 2006-08-11 00:14:51 +0200 | [diff] [blame] | 140 | table = rtm_get_table(r, tb); |
| 141 | if (table) |
| 142 | fprintf(fp, "lookup %s ", rtnl_rttable_n2a(table, b1, sizeof(b1))); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 143 | |
| 144 | if (tb[RTA_FLOW]) { |
| 145 | __u32 to = *(__u32*)RTA_DATA(tb[RTA_FLOW]); |
| 146 | __u32 from = to>>16; |
| 147 | to &= 0xFFFF; |
| 148 | if (from) { |
| 149 | fprintf(fp, "realms %s/", |
| 150 | rtnl_rtrealm_n2a(from, b1, sizeof(b1))); |
| 151 | } |
| 152 | fprintf(fp, "%s ", |
| 153 | rtnl_rtrealm_n2a(to, b1, sizeof(b1))); |
| 154 | } |
| 155 | |
| 156 | if (r->rtm_type == RTN_NAT) { |
| 157 | if (tb[RTA_GATEWAY]) { |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame^] | 158 | fprintf(fp, "map-to %s ", |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 159 | format_host(r->rtm_family, |
| 160 | RTA_PAYLOAD(tb[RTA_GATEWAY]), |
| 161 | RTA_DATA(tb[RTA_GATEWAY]), |
| 162 | abuf, sizeof(abuf))); |
| 163 | } else |
| 164 | fprintf(fp, "masquerade"); |
| 165 | } else if (r->rtm_type != RTN_UNICAST) |
| 166 | fprintf(fp, "%s", rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1))); |
| 167 | |
| 168 | fprintf(fp, "\n"); |
| 169 | fflush(fp); |
| 170 | return 0; |
| 171 | } |
| 172 | |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 173 | static int iprule_list(int argc, char **argv) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 174 | { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 175 | int af = preferred_family; |
| 176 | |
| 177 | if (af == AF_UNSPEC) |
| 178 | af = AF_INET; |
| 179 | |
| 180 | if (argc > 0) { |
net[shemminger]!shemminger | 0284dcd | 2004-10-07 18:56:07 +0000 | [diff] [blame] | 181 | fprintf(stderr, "\"ip rule show\" does not take any arguments.\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 182 | return -1; |
| 183 | } |
| 184 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 185 | if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) { |
| 186 | perror("Cannot send dump request"); |
| 187 | return 1; |
| 188 | } |
| 189 | |
| 190 | if (rtnl_dump_filter(&rth, print_rule, stdout, NULL, NULL) < 0) { |
| 191 | fprintf(stderr, "Dump terminated\n"); |
| 192 | return 1; |
| 193 | } |
| 194 | |
| 195 | return 0; |
| 196 | } |
| 197 | |
| 198 | |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 199 | static int iprule_modify(int cmd, int argc, char **argv) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 200 | { |
| 201 | int table_ok = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 202 | struct { |
| 203 | struct nlmsghdr n; |
| 204 | struct rtmsg r; |
| 205 | char buf[1024]; |
| 206 | } req; |
| 207 | |
| 208 | memset(&req, 0, sizeof(req)); |
| 209 | |
| 210 | req.n.nlmsg_type = cmd; |
| 211 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)); |
| 212 | req.n.nlmsg_flags = NLM_F_REQUEST; |
| 213 | req.r.rtm_family = preferred_family; |
| 214 | req.r.rtm_protocol = RTPROT_BOOT; |
| 215 | req.r.rtm_scope = RT_SCOPE_UNIVERSE; |
| 216 | req.r.rtm_table = 0; |
| 217 | req.r.rtm_type = RTN_UNSPEC; |
Thomas Graf | 3123a0c | 2006-11-09 12:38:02 +0100 | [diff] [blame] | 218 | req.r.rtm_flags = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 219 | |
| 220 | if (cmd == RTM_NEWRULE) { |
| 221 | req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL; |
| 222 | req.r.rtm_type = RTN_UNICAST; |
| 223 | } |
| 224 | |
| 225 | while (argc > 0) { |
Thomas Graf | 3123a0c | 2006-11-09 12:38:02 +0100 | [diff] [blame] | 226 | if (strcmp(*argv, "not") == 0) { |
| 227 | req.r.rtm_flags |= FIB_RULE_INVERT; |
| 228 | } else if (strcmp(*argv, "from") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 229 | inet_prefix dst; |
| 230 | NEXT_ARG(); |
| 231 | get_prefix(&dst, *argv, req.r.rtm_family); |
| 232 | req.r.rtm_src_len = dst.bitlen; |
| 233 | addattr_l(&req.n, sizeof(req), RTA_SRC, &dst.data, dst.bytelen); |
| 234 | } else if (strcmp(*argv, "to") == 0) { |
| 235 | inet_prefix dst; |
| 236 | NEXT_ARG(); |
| 237 | get_prefix(&dst, *argv, req.r.rtm_family); |
| 238 | req.r.rtm_dst_len = dst.bitlen; |
| 239 | addattr_l(&req.n, sizeof(req), RTA_DST, &dst.data, dst.bytelen); |
| 240 | } else if (matches(*argv, "preference") == 0 || |
| 241 | matches(*argv, "order") == 0 || |
| 242 | matches(*argv, "priority") == 0) { |
| 243 | __u32 pref; |
| 244 | NEXT_ARG(); |
| 245 | if (get_u32(&pref, *argv, 0)) |
| 246 | invarg("preference value is invalid\n", *argv); |
| 247 | addattr32(&req.n, sizeof(req), RTA_PRIORITY, pref); |
| 248 | } else if (strcmp(*argv, "tos") == 0) { |
| 249 | __u32 tos; |
| 250 | NEXT_ARG(); |
| 251 | if (rtnl_dsfield_a2n(&tos, *argv)) |
| 252 | invarg("TOS value is invalid\n", *argv); |
| 253 | req.r.rtm_tos = tos; |
| 254 | } else if (strcmp(*argv, "fwmark") == 0) { |
| 255 | __u32 fwmark; |
| 256 | NEXT_ARG(); |
org[shemminger]!shemminger | 4fb466f | 2004-06-07 22:02:48 +0000 | [diff] [blame] | 257 | if (get_u32(&fwmark, *argv, 0)) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 258 | invarg("fwmark value is invalid\n", *argv); |
| 259 | addattr32(&req.n, sizeof(req), RTA_PROTOINFO, fwmark); |
| 260 | } else if (matches(*argv, "realms") == 0) { |
| 261 | __u32 realm; |
| 262 | NEXT_ARG(); |
| 263 | if (get_rt_realms(&realm, *argv)) |
| 264 | invarg("invalid realms\n", *argv); |
| 265 | addattr32(&req.n, sizeof(req), RTA_FLOW, realm); |
| 266 | } else if (matches(*argv, "table") == 0 || |
| 267 | strcmp(*argv, "lookup") == 0) { |
shemminger | f332d16 | 2005-07-05 22:37:15 +0000 | [diff] [blame] | 268 | __u32 tid; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 269 | NEXT_ARG(); |
| 270 | if (rtnl_rttable_a2n(&tid, *argv)) |
| 271 | invarg("invalid table ID\n", *argv); |
Patrick McHardy | 34e9564 | 2006-08-11 00:14:51 +0200 | [diff] [blame] | 272 | if (tid < 256) |
| 273 | req.r.rtm_table = tid; |
| 274 | else { |
| 275 | req.r.rtm_table = RT_TABLE_UNSPEC; |
| 276 | addattr32(&req.n, sizeof(req), RTA_TABLE, tid); |
| 277 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 278 | table_ok = 1; |
| 279 | } else if (strcmp(*argv, "dev") == 0 || |
| 280 | strcmp(*argv, "iif") == 0) { |
| 281 | NEXT_ARG(); |
| 282 | addattr_l(&req.n, sizeof(req), RTA_IIF, *argv, strlen(*argv)+1); |
| 283 | } else if (strcmp(*argv, "nat") == 0 || |
| 284 | matches(*argv, "map-to") == 0) { |
| 285 | NEXT_ARG(); |
net[shemminger]!shemminger | 526afe4 | 2005-01-17 23:27:23 +0000 | [diff] [blame] | 286 | fprintf(stderr, "Warning: route NAT is deprecated\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 287 | addattr32(&req.n, sizeof(req), RTA_GATEWAY, get_addr32(*argv)); |
| 288 | req.r.rtm_type = RTN_NAT; |
| 289 | } else { |
| 290 | int type; |
| 291 | |
| 292 | if (strcmp(*argv, "type") == 0) { |
| 293 | NEXT_ARG(); |
| 294 | } |
| 295 | if (matches(*argv, "help") == 0) |
| 296 | usage(); |
| 297 | if (rtnl_rtntype_a2n(&type, *argv)) |
| 298 | invarg("Failed to parse rule type", *argv); |
| 299 | req.r.rtm_type = type; |
| 300 | } |
| 301 | argc--; |
| 302 | argv++; |
| 303 | } |
| 304 | |
| 305 | if (req.r.rtm_family == AF_UNSPEC) |
| 306 | req.r.rtm_family = AF_INET; |
| 307 | |
| 308 | if (!table_ok && cmd == RTM_NEWRULE) |
| 309 | req.r.rtm_table = RT_TABLE_MAIN; |
| 310 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 311 | if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) |
| 312 | return 2; |
| 313 | |
| 314 | return 0; |
| 315 | } |
| 316 | |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 317 | |
| 318 | static int flush_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) |
| 319 | { |
shemminger | b77caeb | 2005-10-12 22:32:34 +0000 | [diff] [blame] | 320 | struct rtnl_handle rth2; |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 321 | struct rtmsg *r = NLMSG_DATA(n); |
| 322 | int len = n->nlmsg_len; |
| 323 | struct rtattr * tb[RTA_MAX+1]; |
| 324 | |
| 325 | len -= NLMSG_LENGTH(sizeof(*r)); |
| 326 | if (len < 0) |
| 327 | return -1; |
| 328 | |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 329 | parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len); |
| 330 | |
| 331 | if (tb[RTA_PRIORITY]) { |
| 332 | n->nlmsg_type = RTM_DELRULE; |
| 333 | n->nlmsg_flags = NLM_F_REQUEST; |
| 334 | |
shemminger | b77caeb | 2005-10-12 22:32:34 +0000 | [diff] [blame] | 335 | if (rtnl_open(&rth2, 0) < 0) |
| 336 | return -1; |
| 337 | |
| 338 | if (rtnl_talk(&rth2, n, 0, 0, NULL, NULL, NULL) < 0) |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 339 | return -2; |
shemminger | b77caeb | 2005-10-12 22:32:34 +0000 | [diff] [blame] | 340 | |
| 341 | rtnl_close(&rth2); |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | return 0; |
| 345 | } |
| 346 | |
| 347 | static int iprule_flush(int argc, char **argv) |
| 348 | { |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 349 | int af = preferred_family; |
| 350 | |
| 351 | if (af == AF_UNSPEC) |
| 352 | af = AF_INET; |
| 353 | |
| 354 | if (argc > 0) { |
shemminger | 6608184 | 2005-08-16 21:10:51 +0000 | [diff] [blame] | 355 | fprintf(stderr, "\"ip rule flush\" does not allow arguments\n"); |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 356 | return -1; |
| 357 | } |
| 358 | |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 359 | if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) { |
| 360 | perror("Cannot send dump request"); |
| 361 | return 1; |
| 362 | } |
| 363 | |
| 364 | if (rtnl_dump_filter(&rth, flush_rule, NULL, NULL, NULL) < 0) { |
| 365 | fprintf(stderr, "Flush terminated\n"); |
| 366 | return 1; |
| 367 | } |
| 368 | |
| 369 | return 0; |
| 370 | } |
| 371 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 372 | int do_iprule(int argc, char **argv) |
| 373 | { |
| 374 | if (argc < 1) { |
| 375 | return iprule_list(0, NULL); |
| 376 | } else if (matches(argv[0], "list") == 0 || |
| 377 | matches(argv[0], "lst") == 0 || |
| 378 | matches(argv[0], "show") == 0) { |
| 379 | return iprule_list(argc-1, argv+1); |
| 380 | } else if (matches(argv[0], "add") == 0) { |
| 381 | return iprule_modify(RTM_NEWRULE, argc-1, argv+1); |
| 382 | } else if (matches(argv[0], "delete") == 0) { |
| 383 | return iprule_modify(RTM_DELRULE, argc-1, argv+1); |
osdl.net!shemminger | 50772dc | 2004-12-07 21:48:29 +0000 | [diff] [blame] | 384 | } else if (matches(argv[0], "flush") == 0) { |
| 385 | return iprule_flush(argc-1, argv+1); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 386 | } else if (matches(argv[0], "help") == 0) |
| 387 | usage(); |
| 388 | |
| 389 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip rule help\".\n", *argv); |
| 390 | exit(-1); |
| 391 | } |
| 392 | |