| 1 | /* |
| 2 | * Copyright (c) 1983, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by the University of |
| 16 | * California, Berkeley and its contributors. |
| 17 | * 4. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | * |
| 33 | * @(#) Copyright (c) 1983, 1993 The Regents of the University of California. All rights reserved. |
| 34 | * @(#)ifconfig.c 8.2 (Berkeley) 2/16/94 |
| 35 | * $FreeBSD: src/sbin/ifconfig/ifconfig.c,v 1.51.2.19 2003/01/28 11:02:56 fjoe Exp $ |
| 36 | * $DragonFly: src/sbin/ifconfig/ifconfig.c,v 1.2 2003/06/17 04:27:33 dillon Exp $ |
| 37 | */ |
| 38 | |
| 39 | #include <sys/param.h> |
| 40 | #include <sys/ioctl.h> |
| 41 | #include <sys/socket.h> |
| 42 | #include <sys/sysctl.h> |
| 43 | #include <sys/time.h> |
| 44 | #include <sys/module.h> |
| 45 | #include <sys/linker.h> |
| 46 | |
| 47 | #include <net/ethernet.h> |
| 48 | #include <net/if.h> |
| 49 | #include <net/if_var.h> |
| 50 | #include <net/if_dl.h> |
| 51 | #include <net/if_types.h> |
| 52 | #include <net/route.h> |
| 53 | |
| 54 | /* IP */ |
| 55 | #include <netinet/in.h> |
| 56 | #include <netinet/in_var.h> |
| 57 | #include <arpa/inet.h> |
| 58 | #include <netdb.h> |
| 59 | |
| 60 | #ifdef INET6 |
| 61 | #include <netinet6/nd6.h> /* Define ND6_INFINITE_LIFETIME */ |
| 62 | #endif |
| 63 | |
| 64 | #ifndef NO_IPX |
| 65 | /* IPX */ |
| 66 | #define IPXIP |
| 67 | #define IPTUNNEL |
| 68 | #include <netipx/ipx.h> |
| 69 | #include <netipx/ipx_if.h> |
| 70 | #endif |
| 71 | |
| 72 | /* Appletalk */ |
| 73 | #include <netatalk/at.h> |
| 74 | |
| 75 | /* XNS */ |
| 76 | #ifdef NS |
| 77 | #define NSIP |
| 78 | #include <netns/ns.h> |
| 79 | #include <netns/ns_if.h> |
| 80 | #endif |
| 81 | |
| 82 | /* OSI */ |
| 83 | |
| 84 | #include <ctype.h> |
| 85 | #include <err.h> |
| 86 | #include <errno.h> |
| 87 | #include <fcntl.h> |
| 88 | #include <stdio.h> |
| 89 | #include <stdlib.h> |
| 90 | #include <string.h> |
| 91 | #include <unistd.h> |
| 92 | #include <ifaddrs.h> |
| 93 | |
| 94 | #include "ifconfig.h" |
| 95 | |
| 96 | /* wrapper for KAME-special getnameinfo() */ |
| 97 | #ifndef NI_WITHSCOPEID |
| 98 | #define NI_WITHSCOPEID 0 |
| 99 | #endif |
| 100 | |
| 101 | struct ifreq ifr, ridreq; |
| 102 | struct ifaliasreq addreq; |
| 103 | #ifdef INET6 |
| 104 | struct in6_ifreq in6_ridreq; |
| 105 | struct in6_aliasreq in6_addreq = |
| 106 | { { 0 }, |
| 107 | { 0 }, |
| 108 | { 0 }, |
| 109 | { 0 }, |
| 110 | 0, |
| 111 | { 0, 0, ND6_INFINITE_LIFETIME, ND6_INFINITE_LIFETIME } }; |
| 112 | #endif |
| 113 | struct sockaddr_in netmask; |
| 114 | struct netrange at_nr; /* AppleTalk net range */ |
| 115 | |
| 116 | char name[32]; |
| 117 | int flags; |
| 118 | int setaddr; |
| 119 | int setipdst; |
| 120 | int setmask; |
| 121 | int doalias; |
| 122 | int clearaddr; |
| 123 | int newaddr = 1; |
| 124 | #ifdef INET6 |
| 125 | static int ip6lifetime; |
| 126 | #endif |
| 127 | |
| 128 | struct afswtch; |
| 129 | |
| 130 | int supmedia = 0; |
| 131 | int listcloners = 0; |
| 132 | |
| 133 | #ifdef INET6 |
| 134 | char addr_buf[MAXHOSTNAMELEN *2 + 1]; /*for getnameinfo()*/ |
| 135 | #endif |
| 136 | |
| 137 | void Perror __P((const char *cmd)); |
| 138 | void checkatrange __P((struct sockaddr_at *)); |
| 139 | int ifconfig __P((int argc, char *const *argv, const struct afswtch *afp)); |
| 140 | void notealias __P((const char *, int, int, const struct afswtch *afp)); |
| 141 | void list_cloners __P((void)); |
| 142 | void printb __P((const char *s, unsigned value, const char *bits)); |
| 143 | void rt_xaddrs __P((caddr_t, caddr_t, struct rt_addrinfo *)); |
| 144 | void status __P((const struct afswtch *afp, int addrcount, |
| 145 | struct sockaddr_dl *sdl, struct if_msghdr *ifm, |
| 146 | struct ifa_msghdr *ifam)); |
| 147 | void tunnel_status __P((int s)); |
| 148 | void usage __P((void)); |
| 149 | void ifmaybeload __P((char *name)); |
| 150 | |
| 151 | #ifdef INET6 |
| 152 | void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); |
| 153 | int prefix __P((void *, int)); |
| 154 | static char *sec2str __P((time_t)); |
| 155 | int explicit_prefix = 0; |
| 156 | #endif |
| 157 | |
| 158 | typedef void c_func __P((const char *cmd, int arg, int s, const struct afswtch *afp)); |
| 159 | typedef void c_func2 __P((const char *arg, const char *arg2, int s, const struct afswtch *afp)); |
| 160 | c_func setatphase, setatrange; |
| 161 | c_func setifaddr, setifbroadaddr, setifdstaddr, setifnetmask; |
| 162 | c_func2 settunnel; |
| 163 | c_func deletetunnel; |
| 164 | #ifdef INET6 |
| 165 | c_func setifprefixlen; |
| 166 | c_func setip6flags; |
| 167 | c_func setip6pltime; |
| 168 | c_func setip6vltime; |
| 169 | c_func2 setip6lifetime; |
| 170 | c_func setip6eui64; |
| 171 | #endif |
| 172 | c_func setifipdst; |
| 173 | c_func setifflags, setifmetric, setifmtu, setifcap; |
| 174 | c_func clone_destroy; |
| 175 | |
| 176 | |
| 177 | void clone_create __P((void)); |
| 178 | |
| 179 | |
| 180 | #define NEXTARG 0xffffff |
| 181 | #define NEXTARG2 0xfffffe |
| 182 | |
| 183 | const |
| 184 | struct cmd { |
| 185 | const char *c_name; |
| 186 | int c_parameter; /* NEXTARG means next argv */ |
| 187 | void (*c_func) __P((const char *, int, int, const struct afswtch *afp)); |
| 188 | void (*c_func2) __P((const char *, const char *, int, const struct afswtch *afp)); |
| 189 | } cmds[] = { |
| 190 | { "up", IFF_UP, setifflags } , |
| 191 | { "down", -IFF_UP, setifflags }, |
| 192 | { "arp", -IFF_NOARP, setifflags }, |
| 193 | { "-arp", IFF_NOARP, setifflags }, |
| 194 | { "debug", IFF_DEBUG, setifflags }, |
| 195 | { "-debug", -IFF_DEBUG, setifflags }, |
| 196 | { "promisc", IFF_PPROMISC, setifflags }, |
| 197 | { "-promisc", -IFF_PPROMISC, setifflags }, |
| 198 | { "add", IFF_UP, notealias }, |
| 199 | { "alias", IFF_UP, notealias }, |
| 200 | { "-alias", -IFF_UP, notealias }, |
| 201 | { "delete", -IFF_UP, notealias }, |
| 202 | { "remove", -IFF_UP, notealias }, |
| 203 | #ifdef notdef |
| 204 | #define EN_SWABIPS 0x1000 |
| 205 | { "swabips", EN_SWABIPS, setifflags }, |
| 206 | { "-swabips", -EN_SWABIPS, setifflags }, |
| 207 | #endif |
| 208 | { "netmask", NEXTARG, setifnetmask }, |
| 209 | #ifdef INET6 |
| 210 | { "prefixlen", NEXTARG, setifprefixlen }, |
| 211 | { "anycast", IN6_IFF_ANYCAST, setip6flags }, |
| 212 | { "tentative", IN6_IFF_TENTATIVE, setip6flags }, |
| 213 | { "-tentative", -IN6_IFF_TENTATIVE, setip6flags }, |
| 214 | { "deprecated", IN6_IFF_DEPRECATED, setip6flags }, |
| 215 | { "-deprecated", -IN6_IFF_DEPRECATED, setip6flags }, |
| 216 | { "autoconf", IN6_IFF_AUTOCONF, setip6flags }, |
| 217 | { "-autoconf", -IN6_IFF_AUTOCONF, setip6flags }, |
| 218 | { "pltime", NEXTARG, setip6pltime }, |
| 219 | { "vltime", NEXTARG, setip6vltime }, |
| 220 | { "eui64", 0, setip6eui64 }, |
| 221 | #endif |
| 222 | { "range", NEXTARG, setatrange }, |
| 223 | { "phase", NEXTARG, setatphase }, |
| 224 | { "metric", NEXTARG, setifmetric }, |
| 225 | { "broadcast", NEXTARG, setifbroadaddr }, |
| 226 | { "ipdst", NEXTARG, setifipdst }, |
| 227 | { "tunnel", NEXTARG2, NULL, settunnel }, |
| 228 | { "deletetunnel", 0, deletetunnel }, |
| 229 | { "link0", IFF_LINK0, setifflags }, |
| 230 | { "-link0", -IFF_LINK0, setifflags }, |
| 231 | { "link1", IFF_LINK1, setifflags }, |
| 232 | { "-link1", -IFF_LINK1, setifflags }, |
| 233 | { "link2", IFF_LINK2, setifflags }, |
| 234 | { "-link2", -IFF_LINK2, setifflags }, |
| 235 | #ifdef USE_IF_MEDIA |
| 236 | { "media", NEXTARG, setmedia }, |
| 237 | { "mediaopt", NEXTARG, setmediaopt }, |
| 238 | { "-mediaopt", NEXTARG, unsetmediaopt }, |
| 239 | #endif |
| 240 | #ifdef USE_VLANS |
| 241 | { "vlan", NEXTARG, setvlantag }, |
| 242 | { "vlandev", NEXTARG, setvlandev }, |
| 243 | { "-vlandev", NEXTARG, unsetvlandev }, |
| 244 | #endif |
| 245 | #if 0 |
| 246 | /* XXX `create' special-cased below */ |
| 247 | {"create", 0, clone_create }, |
| 248 | {"plumb", 0, clone_create }, |
| 249 | #endif |
| 250 | {"destroy", 0, clone_destroy }, |
| 251 | {"unplumb", 0, clone_destroy }, |
| 252 | #ifdef USE_IEEE80211 |
| 253 | { "ssid", NEXTARG, set80211ssid }, |
| 254 | { "nwid", NEXTARG, set80211ssid }, |
| 255 | { "stationname", NEXTARG, set80211stationname }, |
| 256 | { "station", NEXTARG, set80211stationname }, /* BSD/OS */ |
| 257 | { "channel", NEXTARG, set80211channel }, |
| 258 | { "authmode", NEXTARG, set80211authmode }, |
| 259 | { "powersavemode", NEXTARG, set80211powersavemode }, |
| 260 | { "powersave", 1, set80211powersave }, |
| 261 | { "-powersave", 0, set80211powersave }, |
| 262 | { "powersavesleep", NEXTARG, set80211powersavesleep }, |
| 263 | { "wepmode", NEXTARG, set80211wepmode }, |
| 264 | { "wep", 1, set80211wep }, |
| 265 | { "-wep", 0, set80211wep }, |
| 266 | { "weptxkey", NEXTARG, set80211weptxkey }, |
| 267 | { "wepkey", NEXTARG, set80211wepkey }, |
| 268 | { "nwkey", NEXTARG, set80211nwkey }, /* NetBSD */ |
| 269 | { "-nwkey", 0, set80211wep }, /* NetBSD */ |
| 270 | #endif |
| 271 | { "rxcsum", IFCAP_RXCSUM, setifcap }, |
| 272 | { "-rxcsum", -IFCAP_RXCSUM, setifcap }, |
| 273 | { "txcsum", IFCAP_TXCSUM, setifcap }, |
| 274 | { "-txcsum", -IFCAP_TXCSUM, setifcap }, |
| 275 | { "netcons", IFCAP_NETCONS, setifcap }, |
| 276 | { "-netcons", -IFCAP_NETCONS, setifcap }, |
| 277 | { "normal", -IFF_LINK0, setifflags }, |
| 278 | { "compress", IFF_LINK0, setifflags }, |
| 279 | { "noicmp", IFF_LINK1, setifflags }, |
| 280 | { "mtu", NEXTARG, setifmtu }, |
| 281 | { 0, 0, setifaddr }, |
| 282 | { 0, 0, setifdstaddr }, |
| 283 | }; |
| 284 | |
| 285 | /* |
| 286 | * XNS support liberally adapted from code written at the University of |
| 287 | * Maryland principally by James O'Toole and Chris Torek. |
| 288 | */ |
| 289 | typedef void af_status __P((int, struct rt_addrinfo *)); |
| 290 | typedef void af_getaddr __P((const char *, int)); |
| 291 | typedef void af_getprefix __P((const char *, int)); |
| 292 | |
| 293 | af_status in_status, at_status, link_status; |
| 294 | af_getaddr in_getaddr, at_getaddr, link_getaddr; |
| 295 | |
| 296 | #ifndef NO_IPX |
| 297 | af_status ipx_status; |
| 298 | af_getaddr ipx_getaddr; |
| 299 | #endif |
| 300 | |
| 301 | #ifdef INET6 |
| 302 | af_status in6_status; |
| 303 | af_getaddr in6_getaddr; |
| 304 | af_getprefix in6_getprefix; |
| 305 | #endif /*INET6*/ |
| 306 | #ifdef NS |
| 307 | af_status xns_status; |
| 308 | af_getaddr xns_getaddr; |
| 309 | #endif |
| 310 | |
| 311 | /* Known address families */ |
| 312 | const |
| 313 | struct afswtch { |
| 314 | const char *af_name; |
| 315 | short af_af; |
| 316 | af_status *af_status; |
| 317 | af_getaddr *af_getaddr; |
| 318 | af_getprefix *af_getprefix; |
| 319 | u_long af_difaddr; |
| 320 | u_long af_aifaddr; |
| 321 | caddr_t af_ridreq; |
| 322 | caddr_t af_addreq; |
| 323 | } afs[] = { |
| 324 | #define C(x) ((caddr_t) &x) |
| 325 | { "inet", AF_INET, in_status, in_getaddr, NULL, |
| 326 | SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, |
| 327 | #ifdef INET6 |
| 328 | { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, |
| 329 | SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, |
| 330 | C(in6_ridreq), C(in6_addreq) }, |
| 331 | #endif /*INET6*/ |
| 332 | #ifndef NO_IPX |
| 333 | { "ipx", AF_IPX, ipx_status, ipx_getaddr, NULL, |
| 334 | SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, |
| 335 | #endif |
| 336 | { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, |
| 337 | SIOCDIFADDR, SIOCAIFADDR, C(addreq), C(addreq) }, |
| 338 | #ifdef NS |
| 339 | { "ns", AF_NS, xns_status, xns_getaddr, NULL, |
| 340 | SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, |
| 341 | #endif |
| 342 | { "link", AF_LINK, link_status, link_getaddr, NULL, |
| 343 | 0, SIOCSIFLLADDR, NULL, C(ridreq) }, |
| 344 | { "ether", AF_LINK, link_status, link_getaddr, NULL, |
| 345 | 0, SIOCSIFLLADDR, NULL, C(ridreq) }, |
| 346 | { "lladdr", AF_LINK, link_status, link_getaddr, NULL, |
| 347 | 0, SIOCSIFLLADDR, NULL, C(ridreq) }, |
| 348 | #if 0 /* XXX conflicts with the media command */ |
| 349 | #ifdef USE_IF_MEDIA |
| 350 | { "media", AF_UNSPEC, media_status, NULL, NULL, }, /* XXX not real!! */ |
| 351 | #endif |
| 352 | #ifdef USE_VLANS |
| 353 | { "vlan", AF_UNSPEC, vlan_status, NULL, NULL, }, /* XXX not real!! */ |
| 354 | #endif |
| 355 | #ifdef USE_IEEE80211 |
| 356 | { "ieee80211", AF_UNSPEC, ieee80211_status, NULL, NULL, }, /* XXX not real!! */ |
| 357 | #endif |
| 358 | #endif |
| 359 | { 0, 0, 0, 0 } |
| 360 | }; |
| 361 | |
| 362 | /* |
| 363 | * Expand the compacted form of addresses as returned via the |
| 364 | * configuration read via sysctl(). |
| 365 | */ |
| 366 | |
| 367 | #define ROUNDUP(a) \ |
| 368 | ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) |
| 369 | #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len)) |
| 370 | |
| 371 | void |
| 372 | rt_xaddrs(cp, cplim, rtinfo) |
| 373 | caddr_t cp, cplim; |
| 374 | struct rt_addrinfo *rtinfo; |
| 375 | { |
| 376 | struct sockaddr *sa; |
| 377 | int i; |
| 378 | |
| 379 | memset(rtinfo->rti_info, 0, sizeof(rtinfo->rti_info)); |
| 380 | for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) { |
| 381 | if ((rtinfo->rti_addrs & (1 << i)) == 0) |
| 382 | continue; |
| 383 | rtinfo->rti_info[i] = sa = (struct sockaddr *)cp; |
| 384 | ADVANCE(cp, sa); |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | |
| 389 | void |
| 390 | usage() |
| 391 | { |
| 392 | #ifndef INET6 |
| 393 | fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n", |
| 394 | "usage: ifconfig interface address_family [address [dest_address]]", |
| 395 | " [parameters]", |
| 396 | " ifconfig -C", |
| 397 | " ifconfig interface create", |
| 398 | " ifconfig -a [-d] [-m] [-u] [address_family]", |
| 399 | " ifconfig -l [-d] [-u] [address_family]", |
| 400 | " ifconfig [-d] [-m] [-u]"); |
| 401 | #else |
| 402 | fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n", |
| 403 | "usage: ifconfig [-L] interface address_family [address [dest_address]]", |
| 404 | " [parameters]", |
| 405 | " ifconfig -C", |
| 406 | " ifconfig interface create", |
| 407 | " ifconfig -a [-L] [-d] [-m] [-u] [address_family]", |
| 408 | " ifconfig -l [-d] [-u] [address_family]", |
| 409 | " ifconfig [-L] [-d] [-m] [-u]"); |
| 410 | #endif |
| 411 | exit(1); |
| 412 | } |
| 413 | |
| 414 | int |
| 415 | main(argc, argv) |
| 416 | int argc; |
| 417 | char *const *argv; |
| 418 | { |
| 419 | int c; |
| 420 | int all, namesonly, downonly, uponly; |
| 421 | int foundit = 0, need_nl = 0; |
| 422 | const struct afswtch *afp = 0; |
| 423 | int addrcount; |
| 424 | struct if_msghdr *ifm, *nextifm; |
| 425 | struct ifa_msghdr *ifam; |
| 426 | struct sockaddr_dl *sdl; |
| 427 | char *buf, *lim, *next; |
| 428 | |
| 429 | |
| 430 | size_t needed; |
| 431 | int mib[6]; |
| 432 | |
| 433 | /* Parse leading line options */ |
| 434 | all = downonly = uponly = namesonly = 0; |
| 435 | while ((c = getopt(argc, argv, "adlmuC" |
| 436 | #ifdef INET6 |
| 437 | "L" |
| 438 | #endif |
| 439 | )) != -1) { |
| 440 | switch (c) { |
| 441 | case 'a': /* scan all interfaces */ |
| 442 | all++; |
| 443 | break; |
| 444 | case 'd': /* restrict scan to "down" interfaces */ |
| 445 | downonly++; |
| 446 | break; |
| 447 | case 'l': /* scan interface names only */ |
| 448 | namesonly++; |
| 449 | break; |
| 450 | case 'm': /* show media choices in status */ |
| 451 | supmedia = 1; |
| 452 | break; |
| 453 | case 'u': /* restrict scan to "up" interfaces */ |
| 454 | uponly++; |
| 455 | break; |
| 456 | case 'C': |
| 457 | listcloners = 1; |
| 458 | break; |
| 459 | #ifdef INET6 |
| 460 | case 'L': |
| 461 | ip6lifetime++; /* print IPv6 address lifetime */ |
| 462 | break; |
| 463 | #endif |
| 464 | default: |
| 465 | usage(); |
| 466 | break; |
| 467 | } |
| 468 | } |
| 469 | argc -= optind; |
| 470 | argv += optind; |
| 471 | |
| 472 | if (listcloners) { |
| 473 | /* -C must be solitary */ |
| 474 | if (all || supmedia || uponly || downonly || namesonly || |
| 475 | argc > 0) |
| 476 | usage(); |
| 477 | |
| 478 | list_cloners(); |
| 479 | exit(0); |
| 480 | } |
| 481 | |
| 482 | /* -l cannot be used with -a or -m */ |
| 483 | if (namesonly && (all || supmedia)) |
| 484 | usage(); |
| 485 | |
| 486 | /* nonsense.. */ |
| 487 | if (uponly && downonly) |
| 488 | usage(); |
| 489 | |
| 490 | /* no arguments is equivalent to '-a' */ |
| 491 | if (!namesonly && argc < 1) |
| 492 | all = 1; |
| 493 | |
| 494 | /* -a and -l allow an address family arg to limit the output */ |
| 495 | if (all || namesonly) { |
| 496 | if (argc > 1) |
| 497 | usage(); |
| 498 | |
| 499 | if (argc == 1) { |
| 500 | for (afp = afs; afp->af_name; afp++) |
| 501 | if (strcmp(afp->af_name, *argv) == 0) { |
| 502 | argc--, argv++; |
| 503 | break; |
| 504 | } |
| 505 | if (afp->af_name == NULL) |
| 506 | usage(); |
| 507 | /* leave with afp non-zero */ |
| 508 | } |
| 509 | } else { |
| 510 | /* not listing, need an argument */ |
| 511 | if (argc < 1) |
| 512 | usage(); |
| 513 | |
| 514 | strncpy(name, *argv, sizeof(name)); |
| 515 | argc--, argv++; |
| 516 | |
| 517 | /* check and maybe load support for this interface */ |
| 518 | ifmaybeload(name); |
| 519 | |
| 520 | /* |
| 521 | * NOTE: We must special-case the `create' command right |
| 522 | * here as we would otherwise fail when trying to find |
| 523 | * the interface. |
| 524 | */ |
| 525 | if (argc > 0 && (strcmp(argv[0], "create") == 0 || |
| 526 | strcmp(argv[0], "plumb") == 0)) { |
| 527 | clone_create(); |
| 528 | argc--, argv++; |
| 529 | if (argc == 0) |
| 530 | exit(0); |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | /* Check for address family */ |
| 535 | if (argc > 0) { |
| 536 | for (afp = afs; afp->af_name; afp++) |
| 537 | if (strcmp(afp->af_name, *argv) == 0) { |
| 538 | argc--, argv++; |
| 539 | break; |
| 540 | } |
| 541 | if (afp->af_name == NULL) |
| 542 | afp = NULL; /* not a family, NULL */ |
| 543 | } |
| 544 | |
| 545 | mib[0] = CTL_NET; |
| 546 | mib[1] = PF_ROUTE; |
| 547 | mib[2] = 0; |
| 548 | mib[3] = 0; /* address family */ |
| 549 | mib[4] = NET_RT_IFLIST; |
| 550 | mib[5] = 0; |
| 551 | |
| 552 | /* if particular family specified, only ask about it */ |
| 553 | if (afp) |
| 554 | mib[3] = afp->af_af; |
| 555 | |
| 556 | if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) |
| 557 | errx(1, "iflist-sysctl-estimate"); |
| 558 | if ((buf = malloc(needed)) == NULL) |
| 559 | errx(1, "malloc"); |
| 560 | if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) |
| 561 | errx(1, "actual retrieval of interface table"); |
| 562 | lim = buf + needed; |
| 563 | |
| 564 | next = buf; |
| 565 | while (next < lim) { |
| 566 | |
| 567 | ifm = (struct if_msghdr *)next; |
| 568 | |
| 569 | if (ifm->ifm_type == RTM_IFINFO) { |
| 570 | sdl = (struct sockaddr_dl *)(ifm + 1); |
| 571 | flags = ifm->ifm_flags; |
| 572 | } else { |
| 573 | fprintf(stderr, "out of sync parsing NET_RT_IFLIST\n"); |
| 574 | fprintf(stderr, "expected %d, got %d\n", RTM_IFINFO, |
| 575 | ifm->ifm_type); |
| 576 | fprintf(stderr, "msglen = %d\n", ifm->ifm_msglen); |
| 577 | fprintf(stderr, "buf:%p, next:%p, lim:%p\n", buf, next, |
| 578 | lim); |
| 579 | exit (1); |
| 580 | } |
| 581 | |
| 582 | next += ifm->ifm_msglen; |
| 583 | ifam = NULL; |
| 584 | addrcount = 0; |
| 585 | while (next < lim) { |
| 586 | |
| 587 | nextifm = (struct if_msghdr *)next; |
| 588 | |
| 589 | if (nextifm->ifm_type != RTM_NEWADDR) |
| 590 | break; |
| 591 | |
| 592 | if (ifam == NULL) |
| 593 | ifam = (struct ifa_msghdr *)nextifm; |
| 594 | |
| 595 | addrcount++; |
| 596 | next += nextifm->ifm_msglen; |
| 597 | } |
| 598 | |
| 599 | if (all || namesonly) { |
| 600 | if (uponly) |
| 601 | if ((flags & IFF_UP) == 0) |
| 602 | continue; /* not up */ |
| 603 | if (downonly) |
| 604 | if (flags & IFF_UP) |
| 605 | continue; /* not down */ |
| 606 | strncpy(name, sdl->sdl_data, sdl->sdl_nlen); |
| 607 | name[sdl->sdl_nlen] = '\0'; |
| 608 | if (namesonly) { |
| 609 | if (afp == NULL || |
| 610 | afp->af_status != link_status || |
| 611 | sdl->sdl_type == IFT_ETHER) { |
| 612 | if (need_nl) |
| 613 | putchar(' '); |
| 614 | fputs(name, stdout); |
| 615 | need_nl++; |
| 616 | } |
| 617 | continue; |
| 618 | } |
| 619 | } else { |
| 620 | if (strlen(name) != sdl->sdl_nlen) |
| 621 | continue; /* not same len */ |
| 622 | if (strncmp(name, sdl->sdl_data, sdl->sdl_nlen) != 0) |
| 623 | continue; /* not same name */ |
| 624 | } |
| 625 | |
| 626 | if (argc > 0) |
| 627 | ifconfig(argc, argv, afp); |
| 628 | else |
| 629 | status(afp, addrcount, sdl, ifm, ifam); |
| 630 | |
| 631 | if (all == 0 && namesonly == 0) { |
| 632 | foundit++; /* flag it as 'done' */ |
| 633 | break; |
| 634 | } |
| 635 | } |
| 636 | free(buf); |
| 637 | |
| 638 | if (namesonly && need_nl > 0) |
| 639 | putchar('\n'); |
| 640 | |
| 641 | if (all == 0 && namesonly == 0 && foundit == 0) |
| 642 | errx(1, "interface %s does not exist", name); |
| 643 | |
| 644 | |
| 645 | exit (0); |
| 646 | } |
| 647 | |
| 648 | |
| 649 | int |
| 650 | ifconfig(argc, argv, afp) |
| 651 | int argc; |
| 652 | char *const *argv; |
| 653 | const struct afswtch *afp; |
| 654 | { |
| 655 | int s; |
| 656 | |
| 657 | if (afp == NULL) |
| 658 | afp = &afs[0]; |
| 659 | ifr.ifr_addr.sa_family = afp->af_af == AF_LINK ? AF_INET : afp->af_af; |
| 660 | strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
| 661 | |
| 662 | if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0) |
| 663 | err(1, "socket"); |
| 664 | |
| 665 | while (argc > 0) { |
| 666 | register const struct cmd *p; |
| 667 | |
| 668 | for (p = cmds; p->c_name; p++) |
| 669 | if (strcmp(*argv, p->c_name) == 0) |
| 670 | break; |
| 671 | if (p->c_name == 0 && setaddr) |
| 672 | p++; /* got src, do dst */ |
| 673 | if (p->c_func || p->c_func2) { |
| 674 | if (p->c_parameter == NEXTARG) { |
| 675 | if (argv[1] == NULL) |
| 676 | errx(1, "'%s' requires argument", |
| 677 | p->c_name); |
| 678 | (*p->c_func)(argv[1], 0, s, afp); |
| 679 | argc--, argv++; |
| 680 | } else if (p->c_parameter == NEXTARG2) { |
| 681 | if (argc < 3) |
| 682 | errx(1, "'%s' requires 2 arguments", |
| 683 | p->c_name); |
| 684 | (*p->c_func2)(argv[1], argv[2], s, afp); |
| 685 | argc -= 2, argv += 2; |
| 686 | } else |
| 687 | (*p->c_func)(*argv, p->c_parameter, s, afp); |
| 688 | } |
| 689 | argc--, argv++; |
| 690 | } |
| 691 | #ifdef INET6 |
| 692 | if (ifr.ifr_addr.sa_family == AF_INET6 && explicit_prefix == 0) { |
| 693 | /* Aggregatable address architecture defines all prefixes |
| 694 | are 64. So, it is convenient to set prefixlen to 64 if |
| 695 | it is not specified. */ |
| 696 | setifprefixlen("64", 0, s, afp); |
| 697 | /* in6_getprefix("64", MASK) if MASK is available here... */ |
| 698 | } |
| 699 | #endif |
| 700 | #ifndef NO_IPX |
| 701 | if (setipdst && ifr.ifr_addr.sa_family == AF_IPX) { |
| 702 | struct ipxip_req rq; |
| 703 | int size = sizeof(rq); |
| 704 | |
| 705 | rq.rq_ipx = addreq.ifra_addr; |
| 706 | rq.rq_ip = addreq.ifra_dstaddr; |
| 707 | |
| 708 | if (setsockopt(s, 0, SO_IPXIP_ROUTE, &rq, size) < 0) |
| 709 | Perror("Encapsulation Routing"); |
| 710 | } |
| 711 | #endif |
| 712 | if (ifr.ifr_addr.sa_family == AF_APPLETALK) |
| 713 | checkatrange((struct sockaddr_at *) &addreq.ifra_addr); |
| 714 | #ifdef NS |
| 715 | if (setipdst && ifr.ifr_addr.sa_family == AF_NS) { |
| 716 | struct nsip_req rq; |
| 717 | int size = sizeof(rq); |
| 718 | |
| 719 | rq.rq_ns = addreq.ifra_addr; |
| 720 | rq.rq_ip = addreq.ifra_dstaddr; |
| 721 | |
| 722 | if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) |
| 723 | Perror("Encapsulation Routing"); |
| 724 | } |
| 725 | #endif |
| 726 | if (clearaddr) { |
| 727 | if (afp->af_ridreq == NULL || afp->af_difaddr == 0) { |
| 728 | warnx("interface %s cannot change %s addresses!", |
| 729 | name, afp->af_name); |
| 730 | clearaddr = NULL; |
| 731 | } |
| 732 | } |
| 733 | if (clearaddr) { |
| 734 | int ret; |
| 735 | strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); |
| 736 | if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) { |
| 737 | if (errno == EADDRNOTAVAIL && (doalias >= 0)) { |
| 738 | /* means no previous address for interface */ |
| 739 | } else |
| 740 | Perror("ioctl (SIOCDIFADDR)"); |
| 741 | } |
| 742 | } |
| 743 | if (newaddr) { |
| 744 | if (afp->af_addreq == NULL || afp->af_aifaddr == 0) { |
| 745 | warnx("interface %s cannot change %s addresses!", |
| 746 | name, afp->af_name); |
| 747 | newaddr = 0; |
| 748 | } |
| 749 | } |
| 750 | if (newaddr && (setaddr || setmask)) { |
| 751 | strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); |
| 752 | if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) |
| 753 | Perror("ioctl (SIOCAIFADDR)"); |
| 754 | } |
| 755 | close(s); |
| 756 | return(0); |
| 757 | } |
| 758 | #define RIDADDR 0 |
| 759 | #define ADDR 1 |
| 760 | #define MASK 2 |
| 761 | #define DSTADDR 3 |
| 762 | |
| 763 | /*ARGSUSED*/ |
| 764 | void |
| 765 | setifaddr(addr, param, s, afp) |
| 766 | const char *addr; |
| 767 | int param; |
| 768 | int s; |
| 769 | const struct afswtch *afp; |
| 770 | { |
| 771 | if (*afp->af_getaddr == NULL) |
| 772 | return; |
| 773 | /* |
| 774 | * Delay the ioctl to set the interface addr until flags are all set. |
| 775 | * The address interpretation may depend on the flags, |
| 776 | * and the flags may change when the address is set. |
| 777 | */ |
| 778 | setaddr++; |
| 779 | if (doalias == 0 && afp->af_af != AF_LINK) |
| 780 | clearaddr = 1; |
| 781 | (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); |
| 782 | } |
| 783 | |
| 784 | void |
| 785 | settunnel(src, dst, s, afp) |
| 786 | const char *src, *dst; |
| 787 | int s; |
| 788 | const struct afswtch *afp; |
| 789 | { |
| 790 | struct addrinfo hints, *srcres, *dstres; |
| 791 | struct ifaliasreq addreq; |
| 792 | int ecode; |
| 793 | #ifdef INET6 |
| 794 | struct in6_aliasreq in6_addreq; |
| 795 | #endif |
| 796 | |
| 797 | memset(&hints, 0, sizeof(hints)); |
| 798 | hints.ai_family = afp->af_af; |
| 799 | |
| 800 | if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) |
| 801 | errx(1, "error in parsing address string: %s", |
| 802 | gai_strerror(ecode)); |
| 803 | |
| 804 | if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) |
| 805 | errx(1, "error in parsing address string: %s", |
| 806 | gai_strerror(ecode)); |
| 807 | |
| 808 | if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) |
| 809 | errx(1, |
| 810 | "source and destination address families do not match"); |
| 811 | |
| 812 | switch (srcres->ai_addr->sa_family) { |
| 813 | case AF_INET: |
| 814 | memset(&addreq, 0, sizeof(addreq)); |
| 815 | strncpy(addreq.ifra_name, name, IFNAMSIZ); |
| 816 | memcpy(&addreq.ifra_addr, srcres->ai_addr, |
| 817 | srcres->ai_addr->sa_len); |
| 818 | memcpy(&addreq.ifra_dstaddr, dstres->ai_addr, |
| 819 | dstres->ai_addr->sa_len); |
| 820 | |
| 821 | if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0) |
| 822 | warn("SIOCSIFPHYADDR"); |
| 823 | break; |
| 824 | |
| 825 | #ifdef INET6 |
| 826 | case AF_INET6: |
| 827 | memset(&in6_addreq, 0, sizeof(in6_addreq)); |
| 828 | strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); |
| 829 | memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, |
| 830 | srcres->ai_addr->sa_len); |
| 831 | memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, |
| 832 | dstres->ai_addr->sa_len); |
| 833 | |
| 834 | if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) |
| 835 | warn("SIOCSIFPHYADDR_IN6"); |
| 836 | break; |
| 837 | #endif /* INET6 */ |
| 838 | |
| 839 | default: |
| 840 | warn("address family not supported"); |
| 841 | } |
| 842 | |
| 843 | freeaddrinfo(srcres); |
| 844 | freeaddrinfo(dstres); |
| 845 | } |
| 846 | |
| 847 | /* ARGSUSED */ |
| 848 | void |
| 849 | deletetunnel(vname, param, s, afp) |
| 850 | const char *vname; |
| 851 | int param; |
| 852 | int s; |
| 853 | const struct afswtch *afp; |
| 854 | { |
| 855 | |
| 856 | if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) |
| 857 | err(1, "SIOCDIFPHYADDR"); |
| 858 | } |
| 859 | |
| 860 | void |
| 861 | setifnetmask(addr, dummy, s, afp) |
| 862 | const char *addr; |
| 863 | int dummy __unused; |
| 864 | int s; |
| 865 | const struct afswtch *afp; |
| 866 | { |
| 867 | if (*afp->af_getaddr == NULL) |
| 868 | return; |
| 869 | setmask++; |
| 870 | (*afp->af_getaddr)(addr, MASK); |
| 871 | } |
| 872 | |
| 873 | #ifdef INET6 |
| 874 | void |
| 875 | setifprefixlen(addr, dummy, s, afp) |
| 876 | const char *addr; |
| 877 | int dummy __unused; |
| 878 | int s; |
| 879 | const struct afswtch *afp; |
| 880 | { |
| 881 | if (*afp->af_getprefix) |
| 882 | (*afp->af_getprefix)(addr, MASK); |
| 883 | explicit_prefix = 1; |
| 884 | } |
| 885 | |
| 886 | void |
| 887 | setip6flags(dummyaddr, flag, dummysoc, afp) |
| 888 | const char *dummyaddr __unused; |
| 889 | int flag; |
| 890 | int dummysoc __unused; |
| 891 | const struct afswtch *afp; |
| 892 | { |
| 893 | if (afp->af_af != AF_INET6) |
| 894 | err(1, "address flags can be set only for inet6 addresses"); |
| 895 | |
| 896 | if (flag < 0) |
| 897 | in6_addreq.ifra_flags &= ~(-flag); |
| 898 | else |
| 899 | in6_addreq.ifra_flags |= flag; |
| 900 | } |
| 901 | |
| 902 | void |
| 903 | setip6pltime(seconds, dummy, s, afp) |
| 904 | const char *seconds; |
| 905 | int dummy __unused; |
| 906 | int s; |
| 907 | const struct afswtch *afp; |
| 908 | { |
| 909 | setip6lifetime("pltime", seconds, s, afp); |
| 910 | } |
| 911 | |
| 912 | void |
| 913 | setip6vltime(seconds, dummy, s, afp) |
| 914 | const char *seconds; |
| 915 | int dummy __unused; |
| 916 | int s; |
| 917 | const struct afswtch *afp; |
| 918 | { |
| 919 | setip6lifetime("vltime", seconds, s, afp); |
| 920 | } |
| 921 | |
| 922 | void |
| 923 | setip6lifetime(cmd, val, s, afp) |
| 924 | const char *cmd; |
| 925 | const char *val; |
| 926 | int s; |
| 927 | const struct afswtch *afp; |
| 928 | { |
| 929 | time_t newval, t; |
| 930 | char *ep; |
| 931 | |
| 932 | t = time(NULL); |
| 933 | newval = (time_t)strtoul(val, &ep, 0); |
| 934 | if (val == ep) |
| 935 | errx(1, "invalid %s", cmd); |
| 936 | if (afp->af_af != AF_INET6) |
| 937 | errx(1, "%s not allowed for the AF", cmd); |
| 938 | if (strcmp(cmd, "vltime") == 0) { |
| 939 | in6_addreq.ifra_lifetime.ia6t_expire = t + newval; |
| 940 | in6_addreq.ifra_lifetime.ia6t_vltime = newval; |
| 941 | } else if (strcmp(cmd, "pltime") == 0) { |
| 942 | in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; |
| 943 | in6_addreq.ifra_lifetime.ia6t_pltime = newval; |
| 944 | } |
| 945 | } |
| 946 | |
| 947 | void |
| 948 | setip6eui64(cmd, dummy, s, afp) |
| 949 | const char *cmd; |
| 950 | int dummy __unused; |
| 951 | int s; |
| 952 | const struct afswtch *afp; |
| 953 | { |
| 954 | struct ifaddrs *ifap, *ifa; |
| 955 | const struct sockaddr_in6 *sin6 = NULL; |
| 956 | const struct in6_addr *lladdr = NULL; |
| 957 | struct in6_addr *in6; |
| 958 | |
| 959 | if (afp->af_af != AF_INET6) |
| 960 | errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); |
| 961 | in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; |
| 962 | if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) |
| 963 | errx(EXIT_FAILURE, "interface index is already filled"); |
| 964 | if (getifaddrs(&ifap) != 0) |
| 965 | err(EXIT_FAILURE, "getifaddrs"); |
| 966 | for (ifa = ifap; ifa; ifa = ifa->ifa_next) { |
| 967 | if (ifa->ifa_addr->sa_family == AF_INET6 && |
| 968 | strcmp(ifa->ifa_name, name) == 0) { |
| 969 | sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; |
| 970 | if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { |
| 971 | lladdr = &sin6->sin6_addr; |
| 972 | break; |
| 973 | } |
| 974 | } |
| 975 | } |
| 976 | if (!lladdr) |
| 977 | errx(EXIT_FAILURE, "could not determine link local address"); |
| 978 | |
| 979 | memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); |
| 980 | |
| 981 | freeifaddrs(ifap); |
| 982 | } |
| 983 | #endif |
| 984 | |
| 985 | void |
| 986 | setifbroadaddr(addr, dummy, s, afp) |
| 987 | const char *addr; |
| 988 | int dummy __unused; |
| 989 | int s; |
| 990 | const struct afswtch *afp; |
| 991 | { |
| 992 | if (*afp->af_getaddr == NULL) |
| 993 | return; |
| 994 | (*afp->af_getaddr)(addr, DSTADDR); |
| 995 | } |
| 996 | |
| 997 | void |
| 998 | setifipdst(addr, dummy, s, afp) |
| 999 | const char *addr; |
| 1000 | int dummy __unused; |
| 1001 | int s; |
| 1002 | const struct afswtch *afp; |
| 1003 | { |
| 1004 | in_getaddr(addr, DSTADDR); |
| 1005 | setipdst++; |
| 1006 | clearaddr = 0; |
| 1007 | newaddr = 0; |
| 1008 | } |
| 1009 | #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) |
| 1010 | |
| 1011 | void |
| 1012 | notealias(addr, param, s, afp) |
| 1013 | const char *addr; |
| 1014 | int param; |
| 1015 | int s; |
| 1016 | const struct afswtch *afp; |
| 1017 | { |
| 1018 | if (setaddr && doalias == 0 && param < 0) |
| 1019 | bcopy((caddr_t)rqtosa(af_addreq), |
| 1020 | (caddr_t)rqtosa(af_ridreq), |
| 1021 | rqtosa(af_addreq)->sa_len); |
| 1022 | doalias = param; |
| 1023 | if (param < 0) { |
| 1024 | clearaddr = 1; |
| 1025 | newaddr = 0; |
| 1026 | } else |
| 1027 | clearaddr = 0; |
| 1028 | } |
| 1029 | |
| 1030 | /*ARGSUSED*/ |
| 1031 | void |
| 1032 | setifdstaddr(addr, param, s, afp) |
| 1033 | const char *addr; |
| 1034 | int param __unused; |
| 1035 | int s; |
| 1036 | const struct afswtch *afp; |
| 1037 | { |
| 1038 | if (*afp->af_getaddr == NULL) |
| 1039 | return; |
| 1040 | (*afp->af_getaddr)(addr, DSTADDR); |
| 1041 | } |
| 1042 | |
| 1043 | /* |
| 1044 | * Note: doing an SIOCIGIFFLAGS scribbles on the union portion |
| 1045 | * of the ifreq structure, which may confuse other parts of ifconfig. |
| 1046 | * Make a private copy so we can avoid that. |
| 1047 | */ |
| 1048 | void |
| 1049 | setifflags(vname, value, s, afp) |
| 1050 | const char *vname; |
| 1051 | int value; |
| 1052 | int s; |
| 1053 | const struct afswtch *afp; |
| 1054 | { |
| 1055 | struct ifreq my_ifr; |
| 1056 | |
| 1057 | bcopy((char *)&ifr, (char *)&my_ifr, sizeof(struct ifreq)); |
| 1058 | |
| 1059 | if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) { |
| 1060 | Perror("ioctl (SIOCGIFFLAGS)"); |
| 1061 | exit(1); |
| 1062 | } |
| 1063 | strncpy(my_ifr.ifr_name, name, sizeof (my_ifr.ifr_name)); |
| 1064 | flags = (my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16); |
| 1065 | |
| 1066 | if (value < 0) { |
| 1067 | value = -value; |
| 1068 | flags &= ~value; |
| 1069 | } else |
| 1070 | flags |= value; |
| 1071 | my_ifr.ifr_flags = flags & 0xffff; |
| 1072 | my_ifr.ifr_flagshigh = flags >> 16; |
| 1073 | if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) |
| 1074 | Perror(vname); |
| 1075 | } |
| 1076 | |
| 1077 | void |
| 1078 | setifcap(vname, value, s, afp) |
| 1079 | const char *vname; |
| 1080 | int value; |
| 1081 | int s; |
| 1082 | const struct afswtch *afp; |
| 1083 | { |
| 1084 | |
| 1085 | if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) < 0) { |
| 1086 | Perror("ioctl (SIOCGIFCAP)"); |
| 1087 | exit(1); |
| 1088 | } |
| 1089 | flags = ifr.ifr_curcap; |
| 1090 | if (value < 0) { |
| 1091 | value = -value; |
| 1092 | flags &= ~value; |
| 1093 | } else |
| 1094 | flags |= value; |
| 1095 | ifr.ifr_reqcap = flags; |
| 1096 | if (ioctl(s, SIOCSIFCAP, (caddr_t)&ifr) < 0) |
| 1097 | Perror(vname); |
| 1098 | } |
| 1099 | |
| 1100 | void |
| 1101 | setifmetric(val, dummy, s, afp) |
| 1102 | const char *val; |
| 1103 | int dummy __unused; |
| 1104 | int s; |
| 1105 | const struct afswtch *afp; |
| 1106 | { |
| 1107 | strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); |
| 1108 | ifr.ifr_metric = atoi(val); |
| 1109 | if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) |
| 1110 | warn("ioctl (set metric)"); |
| 1111 | } |
| 1112 | |
| 1113 | void |
| 1114 | setifmtu(val, dummy, s, afp) |
| 1115 | const char *val; |
| 1116 | int dummy __unused; |
| 1117 | int s; |
| 1118 | const struct afswtch *afp; |
| 1119 | { |
| 1120 | strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); |
| 1121 | ifr.ifr_mtu = atoi(val); |
| 1122 | if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) |
| 1123 | warn("ioctl (set mtu)"); |
| 1124 | } |
| 1125 | |
| 1126 | #define IFFBITS \ |
| 1127 | "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6SMART\7RUNNING" \ |
| 1128 | "\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \ |
| 1129 | "\20MULTICAST" |
| 1130 | |
| 1131 | #define IFCAPBITS \ |
| 1132 | "\003\1rxcsum\2txcsum\3netcons" |
| 1133 | |
| 1134 | /* |
| 1135 | * Print the status of the interface. If an address family was |
| 1136 | * specified, show it and it only; otherwise, show them all. |
| 1137 | */ |
| 1138 | void |
| 1139 | status(afp, addrcount, sdl, ifm, ifam) |
| 1140 | const struct afswtch *afp; |
| 1141 | int addrcount; |
| 1142 | struct sockaddr_dl *sdl; |
| 1143 | struct if_msghdr *ifm; |
| 1144 | struct ifa_msghdr *ifam; |
| 1145 | { |
| 1146 | const struct afswtch *p = NULL; |
| 1147 | struct rt_addrinfo info; |
| 1148 | int allfamilies, s; |
| 1149 | struct ifstat ifs; |
| 1150 | |
| 1151 | if (afp == NULL) { |
| 1152 | allfamilies = 1; |
| 1153 | afp = &afs[0]; |
| 1154 | } else |
| 1155 | allfamilies = 0; |
| 1156 | |
| 1157 | ifr.ifr_addr.sa_family = afp->af_af == AF_LINK ? AF_INET : afp->af_af; |
| 1158 | strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); |
| 1159 | |
| 1160 | if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0) |
| 1161 | err(1, "socket"); |
| 1162 | |
| 1163 | printf("%s: ", name); |
| 1164 | printb("flags", flags, IFFBITS); |
| 1165 | if (ifm->ifm_data.ifi_metric) |
| 1166 | printf(" metric %ld", ifm->ifm_data.ifi_metric); |
| 1167 | if (ifm->ifm_data.ifi_mtu) |
| 1168 | printf(" mtu %ld", ifm->ifm_data.ifi_mtu); |
| 1169 | putchar('\n'); |
| 1170 | |
| 1171 | if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) == 0) { |
| 1172 | if (ifr.ifr_curcap != 0) { |
| 1173 | printb("\toptions", ifr.ifr_curcap, IFCAPBITS); |
| 1174 | putchar('\n'); |
| 1175 | } |
| 1176 | if (supmedia && ifr.ifr_reqcap != 0) { |
| 1177 | printf("\tcapability list:\n"); |
| 1178 | printb("\t\t", ifr.ifr_reqcap, IFCAPBITS); |
| 1179 | putchar('\n'); |
| 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | tunnel_status(s); |
| 1184 | |
| 1185 | while (addrcount > 0) { |
| 1186 | |
| 1187 | info.rti_addrs = ifam->ifam_addrs; |
| 1188 | |
| 1189 | /* Expand the compacted addresses */ |
| 1190 | rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam, |
| 1191 | &info); |
| 1192 | |
| 1193 | if (!allfamilies) { |
| 1194 | if (afp->af_af == info.rti_info[RTAX_IFA]->sa_family) { |
| 1195 | p = afp; |
| 1196 | (*p->af_status)(s, &info); |
| 1197 | } |
| 1198 | } else for (p = afs; p->af_name; p++) { |
| 1199 | if (p->af_af == info.rti_info[RTAX_IFA]->sa_family) |
| 1200 | (*p->af_status)(s, &info); |
| 1201 | } |
| 1202 | addrcount--; |
| 1203 | ifam = (struct ifa_msghdr *)((char *)ifam + ifam->ifam_msglen); |
| 1204 | } |
| 1205 | if (allfamilies || afp->af_status == link_status) |
| 1206 | link_status(s, (struct rt_addrinfo *)sdl); |
| 1207 | #ifdef USE_IF_MEDIA |
| 1208 | if (allfamilies || afp->af_status == media_status) |
| 1209 | media_status(s, NULL); |
| 1210 | #endif |
| 1211 | #ifdef USE_VLANS |
| 1212 | if (allfamilies || afp->af_status == vlan_status) |
| 1213 | vlan_status(s, NULL); |
| 1214 | #endif |
| 1215 | #ifdef USE_IEEE80211 |
| 1216 | if (allfamilies || afp->af_status == ieee80211_status) |
| 1217 | ieee80211_status(s, NULL); |
| 1218 | #endif |
| 1219 | strncpy(ifs.ifs_name, name, sizeof ifs.ifs_name); |
| 1220 | if (ioctl(s, SIOCGIFSTATUS, &ifs) == 0) |
| 1221 | printf("%s", ifs.ascii); |
| 1222 | |
| 1223 | if (!allfamilies && !p && afp->af_status != media_status && |
| 1224 | afp->af_status != link_status |
| 1225 | #ifdef USE_VLANS |
| 1226 | && afp->af_status != vlan_status |
| 1227 | #endif |
| 1228 | ) |
| 1229 | warnx("%s has no %s interface address!", name, afp->af_name); |
| 1230 | |
| 1231 | close(s); |
| 1232 | return; |
| 1233 | } |
| 1234 | |
| 1235 | void |
| 1236 | tunnel_status(s) |
| 1237 | int s; |
| 1238 | { |
| 1239 | char psrcaddr[NI_MAXHOST]; |
| 1240 | char pdstaddr[NI_MAXHOST]; |
| 1241 | u_long srccmd, dstcmd; |
| 1242 | struct ifreq *ifrp; |
| 1243 | const char *ver = ""; |
| 1244 | #ifdef NI_WITHSCOPEID |
| 1245 | const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; |
| 1246 | #else |
| 1247 | const int niflag = NI_NUMERICHOST; |
| 1248 | #endif |
| 1249 | #ifdef INET6 |
| 1250 | struct in6_ifreq in6_ifr; |
| 1251 | int s6; |
| 1252 | #endif /* INET6 */ |
| 1253 | |
| 1254 | psrcaddr[0] = pdstaddr[0] = '\0'; |
| 1255 | |
| 1256 | #ifdef INET6 |
| 1257 | memset(&in6_ifr, 0, sizeof(in6_ifr)); |
| 1258 | strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); |
| 1259 | s6 = socket(AF_INET6, SOCK_DGRAM, 0); |
| 1260 | if (s6 < 0) { |
| 1261 | srccmd = SIOCGIFPSRCADDR; |
| 1262 | dstcmd = SIOCGIFPDSTADDR; |
| 1263 | ifrp = 𝔦 |
| 1264 | } else { |
| 1265 | close(s6); |
| 1266 | srccmd = SIOCGIFPSRCADDR_IN6; |
| 1267 | dstcmd = SIOCGIFPDSTADDR_IN6; |
| 1268 | ifrp = (struct ifreq *)&in6_ifr; |
| 1269 | } |
| 1270 | #else /* INET6 */ |
| 1271 | srccmd = SIOCGIFPSRCADDR; |
| 1272 | dstcmd = SIOCGIFPDSTADDR; |
| 1273 | ifrp = 𝔦 |
| 1274 | #endif /* INET6 */ |
| 1275 | |
| 1276 | if (ioctl(s, srccmd, (caddr_t)ifrp) < 0) |
| 1277 | return; |
| 1278 | #ifdef INET6 |
| 1279 | if (ifrp->ifr_addr.sa_family == AF_INET6) |
| 1280 | in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); |
| 1281 | #endif |
| 1282 | getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, |
| 1283 | psrcaddr, sizeof(psrcaddr), 0, 0, niflag); |
| 1284 | #ifdef INET6 |
| 1285 | if (ifrp->ifr_addr.sa_family == AF_INET6) |
| 1286 | ver = "6"; |
| 1287 | #endif |
| 1288 | |
| 1289 | if (ioctl(s, dstcmd, (caddr_t)ifrp) < 0) |
| 1290 | return; |
| 1291 | #ifdef INET6 |
| 1292 | if (ifrp->ifr_addr.sa_family == AF_INET6) |
| 1293 | in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); |
| 1294 | #endif |
| 1295 | getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, |
| 1296 | pdstaddr, sizeof(pdstaddr), 0, 0, niflag); |
| 1297 | |
| 1298 | printf("\ttunnel inet%s %s --> %s\n", ver, |
| 1299 | psrcaddr, pdstaddr); |
| 1300 | } |
| 1301 | |
| 1302 | void |
| 1303 | in_status(s, info) |
| 1304 | int s __unused; |
| 1305 | struct rt_addrinfo * info; |
| 1306 | { |
| 1307 | struct sockaddr_in *sin, null_sin; |
| 1308 | |
| 1309 | memset(&null_sin, 0, sizeof(null_sin)); |
| 1310 | |
| 1311 | sin = (struct sockaddr_in *)info->rti_info[RTAX_IFA]; |
| 1312 | printf("\tinet %s ", inet_ntoa(sin->sin_addr)); |
| 1313 | |
| 1314 | if (flags & IFF_POINTOPOINT) { |
| 1315 | /* note RTAX_BRD overlap with IFF_BROADCAST */ |
| 1316 | sin = (struct sockaddr_in *)info->rti_info[RTAX_BRD]; |
| 1317 | if (!sin) |
| 1318 | sin = &null_sin; |
| 1319 | printf("--> %s ", inet_ntoa(sin->sin_addr)); |
| 1320 | } |
| 1321 | |
| 1322 | sin = (struct sockaddr_in *)info->rti_info[RTAX_NETMASK]; |
| 1323 | if (!sin) |
| 1324 | sin = &null_sin; |
| 1325 | printf("netmask 0x%lx ", (unsigned long)ntohl(sin->sin_addr.s_addr)); |
| 1326 | |
| 1327 | if (flags & IFF_BROADCAST) { |
| 1328 | /* note RTAX_BRD overlap with IFF_POINTOPOINT */ |
| 1329 | sin = (struct sockaddr_in *)info->rti_info[RTAX_BRD]; |
| 1330 | if (sin && sin->sin_addr.s_addr != 0) |
| 1331 | printf("broadcast %s", inet_ntoa(sin->sin_addr)); |
| 1332 | } |
| 1333 | putchar('\n'); |
| 1334 | } |
| 1335 | |
| 1336 | #ifdef INET6 |
| 1337 | void |
| 1338 | in6_fillscopeid(sin6) |
| 1339 | struct sockaddr_in6 *sin6; |
| 1340 | { |
| 1341 | #if defined(__KAME__) && defined(KAME_SCOPEID) |
| 1342 | if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { |
| 1343 | sin6->sin6_scope_id = |
| 1344 | ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); |
| 1345 | sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; |
| 1346 | } |
| 1347 | #endif |
| 1348 | } |
| 1349 | |
| 1350 | void |
| 1351 | in6_status(s, info) |
| 1352 | int s __unused; |
| 1353 | struct rt_addrinfo * info; |
| 1354 | { |
| 1355 | struct sockaddr_in6 *sin, null_sin; |
| 1356 | struct in6_ifreq ifr6; |
| 1357 | int s6; |
| 1358 | u_int32_t flags6; |
| 1359 | struct in6_addrlifetime lifetime; |
| 1360 | time_t t = time(NULL); |
| 1361 | int error; |
| 1362 | u_int32_t scopeid; |
| 1363 | |
| 1364 | memset(&null_sin, 0, sizeof(null_sin)); |
| 1365 | |
| 1366 | sin = (struct sockaddr_in6 *)info->rti_info[RTAX_IFA]; |
| 1367 | strncpy(ifr6.ifr_name, ifr.ifr_name, sizeof(ifr.ifr_name)); |
| 1368 | if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { |
| 1369 | perror("ifconfig: socket"); |
| 1370 | return; |
| 1371 | } |
| 1372 | ifr6.ifr_addr = *sin; |
| 1373 | if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0) { |
| 1374 | perror("ifconfig: ioctl(SIOCGIFAFLAG_IN6)"); |
| 1375 | close(s6); |
| 1376 | return; |
| 1377 | } |
| 1378 | flags6 = ifr6.ifr_ifru.ifru_flags6; |
| 1379 | memset(&lifetime, 0, sizeof(lifetime)); |
| 1380 | ifr6.ifr_addr = *sin; |
| 1381 | if (ioctl(s6, SIOCGIFALIFETIME_IN6, &ifr6) < 0) { |
| 1382 | perror("ifconfig: ioctl(SIOCGIFALIFETIME_IN6)"); |
| 1383 | close(s6); |
| 1384 | return; |
| 1385 | } |
| 1386 | lifetime = ifr6.ifr_ifru.ifru_lifetime; |
| 1387 | close(s6); |
| 1388 | |
| 1389 | /* XXX: embedded link local addr check */ |
| 1390 | if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && |
| 1391 | *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { |
| 1392 | u_short index; |
| 1393 | |
| 1394 | index = *(u_short *)&sin->sin6_addr.s6_addr[2]; |
| 1395 | *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; |
| 1396 | if (sin->sin6_scope_id == 0) |
| 1397 | sin->sin6_scope_id = ntohs(index); |
| 1398 | } |
| 1399 | scopeid = sin->sin6_scope_id; |
| 1400 | |
| 1401 | error = getnameinfo((struct sockaddr *)sin, sin->sin6_len, addr_buf, |
| 1402 | sizeof(addr_buf), NULL, 0, |
| 1403 | NI_NUMERICHOST|NI_WITHSCOPEID); |
| 1404 | if (error != 0) |
| 1405 | inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, |
| 1406 | sizeof(addr_buf)); |
| 1407 | printf("\tinet6 %s ", addr_buf); |
| 1408 | |
| 1409 | if (flags & IFF_POINTOPOINT) { |
| 1410 | /* note RTAX_BRD overlap with IFF_BROADCAST */ |
| 1411 | sin = (struct sockaddr_in6 *)info->rti_info[RTAX_BRD]; |
| 1412 | /* |
| 1413 | * some of the interfaces do not have valid destination |
| 1414 | * address. |
| 1415 | */ |
| 1416 | if (sin && sin->sin6_family == AF_INET6) { |
| 1417 | int error; |
| 1418 | |
| 1419 | /* XXX: embedded link local addr check */ |
| 1420 | if (IN6_IS_ADDR_LINKLOCAL(&sin->sin6_addr) && |
| 1421 | *(u_short *)&sin->sin6_addr.s6_addr[2] != 0) { |
| 1422 | u_short index; |
| 1423 | |
| 1424 | index = *(u_short *)&sin->sin6_addr.s6_addr[2]; |
| 1425 | *(u_short *)&sin->sin6_addr.s6_addr[2] = 0; |
| 1426 | if (sin->sin6_scope_id == 0) |
| 1427 | sin->sin6_scope_id = ntohs(index); |
| 1428 | } |
| 1429 | |
| 1430 | error = getnameinfo((struct sockaddr *)sin, |
| 1431 | sin->sin6_len, addr_buf, |
| 1432 | sizeof(addr_buf), NULL, 0, |
| 1433 | NI_NUMERICHOST|NI_WITHSCOPEID); |
| 1434 | if (error != 0) |
| 1435 | inet_ntop(AF_INET6, &sin->sin6_addr, addr_buf, |
| 1436 | sizeof(addr_buf)); |
| 1437 | printf("--> %s ", addr_buf); |
| 1438 | } |
| 1439 | } |
| 1440 | |
| 1441 | sin = (struct sockaddr_in6 *)info->rti_info[RTAX_NETMASK]; |
| 1442 | if (!sin) |
| 1443 | sin = &null_sin; |
| 1444 | printf("prefixlen %d ", prefix(&sin->sin6_addr, |
| 1445 | sizeof(struct in6_addr))); |
| 1446 | |
| 1447 | if ((flags6 & IN6_IFF_ANYCAST) != 0) |
| 1448 | printf("anycast "); |
| 1449 | if ((flags6 & IN6_IFF_TENTATIVE) != 0) |
| 1450 | printf("tentative "); |
| 1451 | if ((flags6 & IN6_IFF_DUPLICATED) != 0) |
| 1452 | printf("duplicated "); |
| 1453 | if ((flags6 & IN6_IFF_DETACHED) != 0) |
| 1454 | printf("detached "); |
| 1455 | if ((flags6 & IN6_IFF_DEPRECATED) != 0) |
| 1456 | printf("deprecated "); |
| 1457 | if ((flags6 & IN6_IFF_AUTOCONF) != 0) |
| 1458 | printf("autoconf "); |
| 1459 | if ((flags6 & IN6_IFF_TEMPORARY) != 0) |
| 1460 | printf("temporary "); |
| 1461 | |
| 1462 | if (scopeid) |
| 1463 | printf("scopeid 0x%x ", scopeid); |
| 1464 | |
| 1465 | if (ip6lifetime && (lifetime.ia6t_preferred || lifetime.ia6t_expire)) { |
| 1466 | printf("pltime "); |
| 1467 | if (lifetime.ia6t_preferred) { |
| 1468 | printf("%s ", lifetime.ia6t_preferred < t |
| 1469 | ? "0" : sec2str(lifetime.ia6t_preferred - t)); |
| 1470 | } else |
| 1471 | printf("infty "); |
| 1472 | |
| 1473 | printf("vltime "); |
| 1474 | if (lifetime.ia6t_expire) { |
| 1475 | printf("%s ", lifetime.ia6t_expire < t |
| 1476 | ? "0" : sec2str(lifetime.ia6t_expire - t)); |
| 1477 | } else |
| 1478 | printf("infty "); |
| 1479 | } |
| 1480 | |
| 1481 | putchar('\n'); |
| 1482 | } |
| 1483 | #endif /*INET6*/ |
| 1484 | |
| 1485 | #ifndef NO_IPX |
| 1486 | void |
| 1487 | ipx_status(s, info) |
| 1488 | int s __unused; |
| 1489 | struct rt_addrinfo * info; |
| 1490 | { |
| 1491 | struct sockaddr_ipx *sipx, null_sipx; |
| 1492 | |
| 1493 | memset(&null_sipx, 0, sizeof(null_sipx)); |
| 1494 | |
| 1495 | sipx = (struct sockaddr_ipx *)info->rti_info[RTAX_IFA]; |
| 1496 | printf("\tipx %s ", ipx_ntoa(sipx->sipx_addr)); |
| 1497 | |
| 1498 | if (flags & IFF_POINTOPOINT) { |
| 1499 | sipx = (struct sockaddr_ipx *)info->rti_info[RTAX_BRD]; |
| 1500 | if (!sipx) |
| 1501 | sipx = &null_sipx; |
| 1502 | printf("--> %s ", ipx_ntoa(sipx->sipx_addr)); |
| 1503 | } |
| 1504 | putchar('\n'); |
| 1505 | } |
| 1506 | #endif |
| 1507 | |
| 1508 | void |
| 1509 | at_status(s, info) |
| 1510 | int s __unused; |
| 1511 | struct rt_addrinfo * info; |
| 1512 | { |
| 1513 | struct sockaddr_at *sat, null_sat; |
| 1514 | struct netrange *nr; |
| 1515 | |
| 1516 | memset(&null_sat, 0, sizeof(null_sat)); |
| 1517 | |
| 1518 | sat = (struct sockaddr_at *)info->rti_info[RTAX_IFA]; |
| 1519 | nr = &sat->sat_range.r_netrange; |
| 1520 | printf("\tatalk %d.%d range %d-%d phase %d", |
| 1521 | ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, |
| 1522 | ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); |
| 1523 | if (flags & IFF_POINTOPOINT) { |
| 1524 | /* note RTAX_BRD overlap with IFF_BROADCAST */ |
| 1525 | sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD]; |
| 1526 | if (!sat) |
| 1527 | sat = &null_sat; |
| 1528 | printf("--> %d.%d", |
| 1529 | ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); |
| 1530 | } |
| 1531 | if (flags & IFF_BROADCAST) { |
| 1532 | /* note RTAX_BRD overlap with IFF_POINTOPOINT */ |
| 1533 | sat = (struct sockaddr_at *)info->rti_info[RTAX_BRD]; |
| 1534 | if (sat) |
| 1535 | printf(" broadcast %d.%d", |
| 1536 | ntohs(sat->sat_addr.s_net), |
| 1537 | sat->sat_addr.s_node); |
| 1538 | } |
| 1539 | |
| 1540 | putchar('\n'); |
| 1541 | } |
| 1542 | |
| 1543 | #ifdef NS |
| 1544 | void |
| 1545 | xns_status(s, info) |
| 1546 | int s __unused; |
| 1547 | struct rt_addrinfo * info; |
| 1548 | { |
| 1549 | struct sockaddr_ns *sns, null_sns; |
| 1550 | |
| 1551 | memset(&null_sns, 0, sizeof(null_sns)); |
| 1552 | |
| 1553 | sns = (struct sockaddr_ns *)info->rti_info[RTAX_IFA]; |
| 1554 | printf("\tns %s ", ns_ntoa(sns->sns_addr)); |
| 1555 | |
| 1556 | if (flags & IFF_POINTOPOINT) { |
| 1557 | sns = (struct sockaddr_ns *)info->rti_info[RTAX_BRD]; |
| 1558 | if (!sns) |
| 1559 | sns = &null_sns; |
| 1560 | printf("--> %s ", ns_ntoa(sns->sns_addr)); |
| 1561 | } |
| 1562 | |
| 1563 | putchar('\n'); |
| 1564 | close(s); |
| 1565 | } |
| 1566 | #endif |
| 1567 | |
| 1568 | |
| 1569 | void |
| 1570 | link_status(s, info) |
| 1571 | int s __unused; |
| 1572 | struct rt_addrinfo *info; |
| 1573 | { |
| 1574 | struct sockaddr_dl *sdl = (struct sockaddr_dl *)info; |
| 1575 | |
| 1576 | if (sdl->sdl_alen > 0) { |
| 1577 | if (sdl->sdl_type == IFT_ETHER && |
| 1578 | sdl->sdl_alen == ETHER_ADDR_LEN) |
| 1579 | printf("\tether %s\n", |
| 1580 | ether_ntoa((struct ether_addr *)LLADDR(sdl))); |
| 1581 | else { |
| 1582 | int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0; |
| 1583 | |
| 1584 | printf("\tlladdr %s\n", link_ntoa(sdl) + n); |
| 1585 | } |
| 1586 | } |
| 1587 | } |
| 1588 | |
| 1589 | void |
| 1590 | Perror(cmd) |
| 1591 | const char *cmd; |
| 1592 | { |
| 1593 | switch (errno) { |
| 1594 | |
| 1595 | case ENXIO: |
| 1596 | errx(1, "%s: no such interface", cmd); |
| 1597 | break; |
| 1598 | |
| 1599 | case EPERM: |
| 1600 | errx(1, "%s: permission denied", cmd); |
| 1601 | break; |
| 1602 | |
| 1603 | default: |
| 1604 | err(1, "%s", cmd); |
| 1605 | } |
| 1606 | } |
| 1607 | |
| 1608 | #define SIN(x) ((struct sockaddr_in *) &(x)) |
| 1609 | struct sockaddr_in *sintab[] = { |
| 1610 | SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), |
| 1611 | SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; |
| 1612 | |
| 1613 | void |
| 1614 | in_getaddr(s, which) |
| 1615 | const char *s; |
| 1616 | int which; |
| 1617 | { |
| 1618 | register struct sockaddr_in *sin = sintab[which]; |
| 1619 | struct hostent *hp; |
| 1620 | struct netent *np; |
| 1621 | |
| 1622 | sin->sin_len = sizeof(*sin); |
| 1623 | if (which != MASK) |
| 1624 | sin->sin_family = AF_INET; |
| 1625 | |
| 1626 | if (which == ADDR) { |
| 1627 | char *p = NULL; |
| 1628 | |
| 1629 | if((p = strrchr(s, '/')) != NULL) { |
| 1630 | /* address is `name/masklen' */ |
| 1631 | int masklen; |
| 1632 | int ret; |
| 1633 | struct sockaddr_in *min = sintab[MASK]; |
| 1634 | *p = '\0'; |
| 1635 | ret = sscanf(p+1, "%u", &masklen); |
| 1636 | if(ret != 1 || (masklen < 0 || masklen > 32)) { |
| 1637 | *p = '/'; |
| 1638 | errx(1, "%s: bad value", s); |
| 1639 | } |
| 1640 | min->sin_len = sizeof(*min); |
| 1641 | min->sin_addr.s_addr = htonl(~((1LL << (32 - masklen)) - 1) & |
| 1642 | 0xffffffff); |
| 1643 | } |
| 1644 | } |
| 1645 | |
| 1646 | if (inet_aton(s, &sin->sin_addr)) |
| 1647 | return; |
| 1648 | if ((hp = gethostbyname(s)) != 0) |
| 1649 | bcopy(hp->h_addr, (char *)&sin->sin_addr, |
| 1650 | MIN(hp->h_length, sizeof(sin->sin_addr))); |
| 1651 | else if ((np = getnetbyname(s)) != 0) |
| 1652 | sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); |
| 1653 | else |
| 1654 | errx(1, "%s: bad value", s); |
| 1655 | } |
| 1656 | |
| 1657 | #ifdef INET6 |
| 1658 | #define SIN6(x) ((struct sockaddr_in6 *) &(x)) |
| 1659 | struct sockaddr_in6 *sin6tab[] = { |
| 1660 | SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), |
| 1661 | SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; |
| 1662 | |
| 1663 | void |
| 1664 | in6_getaddr(s, which) |
| 1665 | const char *s; |
| 1666 | int which; |
| 1667 | { |
| 1668 | register struct sockaddr_in6 *sin = sin6tab[which]; |
| 1669 | struct addrinfo hints, *res; |
| 1670 | int error = -1; |
| 1671 | |
| 1672 | newaddr &= 1; |
| 1673 | |
| 1674 | sin->sin6_len = sizeof(*sin); |
| 1675 | if (which != MASK) |
| 1676 | sin->sin6_family = AF_INET6; |
| 1677 | |
| 1678 | if (which == ADDR) { |
| 1679 | char *p = NULL; |
| 1680 | if((p = strrchr(s, '/')) != NULL) { |
| 1681 | *p = '\0'; |
| 1682 | in6_getprefix(p + 1, MASK); |
| 1683 | explicit_prefix = 1; |
| 1684 | } |
| 1685 | } |
| 1686 | |
| 1687 | if (sin->sin6_family == AF_INET6) { |
| 1688 | bzero(&hints, sizeof(struct addrinfo)); |
| 1689 | hints.ai_family = AF_INET6; |
| 1690 | error = getaddrinfo(s, NULL, &hints, &res); |
| 1691 | } |
| 1692 | if (error != 0) { |
| 1693 | if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) |
| 1694 | errx(1, "%s: bad value", s); |
| 1695 | } else |
| 1696 | bcopy(res->ai_addr, sin, res->ai_addrlen); |
| 1697 | } |
| 1698 | |
| 1699 | void |
| 1700 | in6_getprefix(plen, which) |
| 1701 | const char *plen; |
| 1702 | int which; |
| 1703 | { |
| 1704 | register struct sockaddr_in6 *sin = sin6tab[which]; |
| 1705 | register u_char *cp; |
| 1706 | int len = atoi(plen); |
| 1707 | |
| 1708 | if ((len < 0) || (len > 128)) |
| 1709 | errx(1, "%s: bad value", plen); |
| 1710 | sin->sin6_len = sizeof(*sin); |
| 1711 | if (which != MASK) |
| 1712 | sin->sin6_family = AF_INET6; |
| 1713 | if ((len == 0) || (len == 128)) { |
| 1714 | memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); |
| 1715 | return; |
| 1716 | } |
| 1717 | memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); |
| 1718 | for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) |
| 1719 | *cp++ = 0xff; |
| 1720 | *cp = 0xff << (8 - len); |
| 1721 | } |
| 1722 | #endif |
| 1723 | |
| 1724 | /* |
| 1725 | * Print a value a la the %b format of the kernel's printf |
| 1726 | */ |
| 1727 | void |
| 1728 | printb(s, v, bits) |
| 1729 | const char *s; |
| 1730 | register unsigned v; |
| 1731 | register const char *bits; |
| 1732 | { |
| 1733 | register int i, any = 0; |
| 1734 | register char c; |
| 1735 | |
| 1736 | if (bits && *bits == 8) |
| 1737 | printf("%s=%o", s, v); |
| 1738 | else |
| 1739 | printf("%s=%x", s, v); |
| 1740 | bits++; |
| 1741 | if (bits) { |
| 1742 | putchar('<'); |
| 1743 | while ((i = *bits++) != '\0') { |
| 1744 | if (v & (1 << (i-1))) { |
| 1745 | if (any) |
| 1746 | putchar(','); |
| 1747 | any = 1; |
| 1748 | for (; (c = *bits) > 32; bits++) |
| 1749 | putchar(c); |
| 1750 | } else |
| 1751 | for (; *bits > 32; bits++) |
| 1752 | ; |
| 1753 | } |
| 1754 | putchar('>'); |
| 1755 | } |
| 1756 | } |
| 1757 | |
| 1758 | #ifndef NO_IPX |
| 1759 | #define SIPX(x) ((struct sockaddr_ipx *) &(x)) |
| 1760 | struct sockaddr_ipx *sipxtab[] = { |
| 1761 | SIPX(ridreq.ifr_addr), SIPX(addreq.ifra_addr), |
| 1762 | SIPX(addreq.ifra_mask), SIPX(addreq.ifra_broadaddr)}; |
| 1763 | |
| 1764 | void |
| 1765 | ipx_getaddr(addr, which) |
| 1766 | const char *addr; |
| 1767 | int which; |
| 1768 | { |
| 1769 | struct sockaddr_ipx *sipx = sipxtab[which]; |
| 1770 | |
| 1771 | sipx->sipx_family = AF_IPX; |
| 1772 | sipx->sipx_len = sizeof(*sipx); |
| 1773 | sipx->sipx_addr = ipx_addr(addr); |
| 1774 | if (which == MASK) |
| 1775 | printf("Attempt to set IPX netmask will be ineffectual\n"); |
| 1776 | } |
| 1777 | #endif |
| 1778 | |
| 1779 | void |
| 1780 | at_getaddr(addr, which) |
| 1781 | const char *addr; |
| 1782 | int which; |
| 1783 | { |
| 1784 | struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; |
| 1785 | u_int net, node; |
| 1786 | |
| 1787 | sat->sat_family = AF_APPLETALK; |
| 1788 | sat->sat_len = sizeof(*sat); |
| 1789 | if (which == MASK) |
| 1790 | errx(1, "AppleTalk does not use netmasks"); |
| 1791 | if (sscanf(addr, "%u.%u", &net, &node) != 2 |
| 1792 | || net > 0xffff || node > 0xfe) |
| 1793 | errx(1, "%s: illegal address", addr); |
| 1794 | sat->sat_addr.s_net = htons(net); |
| 1795 | sat->sat_addr.s_node = node; |
| 1796 | } |
| 1797 | |
| 1798 | void |
| 1799 | link_getaddr(addr, which) |
| 1800 | const char *addr; |
| 1801 | int which; |
| 1802 | { |
| 1803 | char *temp; |
| 1804 | struct sockaddr_dl sdl; |
| 1805 | struct sockaddr *sa = &ridreq.ifr_addr; |
| 1806 | |
| 1807 | if (which != ADDR) |
| 1808 | errx(1, "can't set link-level netmask or broadcast"); |
| 1809 | if ((temp = malloc(strlen(addr) + 1)) == NULL) |
| 1810 | errx(1, "malloc failed"); |
| 1811 | temp[0] = ':'; |
| 1812 | strcpy(temp + 1, addr); |
| 1813 | sdl.sdl_len = sizeof(sdl); |
| 1814 | link_addr(temp, &sdl); |
| 1815 | free(temp); |
| 1816 | if (sdl.sdl_alen > sizeof(sa->sa_data)) |
| 1817 | errx(1, "malformed link-level address"); |
| 1818 | sa->sa_family = AF_LINK; |
| 1819 | sa->sa_len = sdl.sdl_alen; |
| 1820 | bcopy(LLADDR(&sdl), sa->sa_data, sdl.sdl_alen); |
| 1821 | } |
| 1822 | |
| 1823 | /* XXX FIXME -- should use strtoul for better parsing. */ |
| 1824 | void |
| 1825 | setatrange(range, dummy, s, afp) |
| 1826 | const char *range; |
| 1827 | int dummy __unused; |
| 1828 | int s; |
| 1829 | const struct afswtch *afp; |
| 1830 | { |
| 1831 | u_short first = 123, last = 123; |
| 1832 | |
| 1833 | if (sscanf(range, "%hu-%hu", &first, &last) != 2 |
| 1834 | || first == 0 || first > 0xffff |
| 1835 | || last == 0 || last > 0xffff || first > last) |
| 1836 | errx(1, "%s: illegal net range: %u-%u", range, first, last); |
| 1837 | at_nr.nr_firstnet = htons(first); |
| 1838 | at_nr.nr_lastnet = htons(last); |
| 1839 | } |
| 1840 | |
| 1841 | void |
| 1842 | setatphase(phase, dummy, s, afp) |
| 1843 | const char *phase; |
| 1844 | int dummy __unused; |
| 1845 | int s; |
| 1846 | const struct afswtch *afp; |
| 1847 | { |
| 1848 | if (!strcmp(phase, "1")) |
| 1849 | at_nr.nr_phase = 1; |
| 1850 | else if (!strcmp(phase, "2")) |
| 1851 | at_nr.nr_phase = 2; |
| 1852 | else |
| 1853 | errx(1, "%s: illegal phase", phase); |
| 1854 | } |
| 1855 | |
| 1856 | void |
| 1857 | checkatrange(struct sockaddr_at *sat) |
| 1858 | { |
| 1859 | if (at_nr.nr_phase == 0) |
| 1860 | at_nr.nr_phase = 2; /* Default phase 2 */ |
| 1861 | if (at_nr.nr_firstnet == 0) |
| 1862 | at_nr.nr_firstnet = /* Default range of one */ |
| 1863 | at_nr.nr_lastnet = sat->sat_addr.s_net; |
| 1864 | printf("\tatalk %d.%d range %d-%d phase %d\n", |
| 1865 | ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, |
| 1866 | ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); |
| 1867 | if ((u_short) ntohs(at_nr.nr_firstnet) > |
| 1868 | (u_short) ntohs(sat->sat_addr.s_net) |
| 1869 | || (u_short) ntohs(at_nr.nr_lastnet) < |
| 1870 | (u_short) ntohs(sat->sat_addr.s_net)) |
| 1871 | errx(1, "AppleTalk address is not in range"); |
| 1872 | sat->sat_range.r_netrange = at_nr; |
| 1873 | } |
| 1874 | |
| 1875 | #ifdef NS |
| 1876 | #define SNS(x) ((struct sockaddr_ns *) &(x)) |
| 1877 | struct sockaddr_ns *snstab[] = { |
| 1878 | SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), |
| 1879 | SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; |
| 1880 | |
| 1881 | void |
| 1882 | xns_getaddr(addr, which) |
| 1883 | const char *addr; |
| 1884 | int which; |
| 1885 | { |
| 1886 | struct sockaddr_ns *sns = snstab[which]; |
| 1887 | |
| 1888 | sns->sns_family = AF_NS; |
| 1889 | sns->sns_len = sizeof(*sns); |
| 1890 | sns->sns_addr = ns_addr(addr); |
| 1891 | if (which == MASK) |
| 1892 | printf("Attempt to set XNS netmask will be ineffectual\n"); |
| 1893 | } |
| 1894 | #endif |
| 1895 | |
| 1896 | #ifdef INET6 |
| 1897 | int |
| 1898 | prefix(val, size) |
| 1899 | void *val; |
| 1900 | int size; |
| 1901 | { |
| 1902 | register u_char *name = (u_char *)val; |
| 1903 | register int byte, bit, plen = 0; |
| 1904 | |
| 1905 | for (byte = 0; byte < size; byte++, plen += 8) |
| 1906 | if (name[byte] != 0xff) |
| 1907 | break; |
| 1908 | if (byte == size) |
| 1909 | return (plen); |
| 1910 | for (bit = 7; bit != 0; bit--, plen++) |
| 1911 | if (!(name[byte] & (1 << bit))) |
| 1912 | break; |
| 1913 | for (; bit != 0; bit--) |
| 1914 | if (name[byte] & (1 << bit)) |
| 1915 | return(0); |
| 1916 | byte++; |
| 1917 | for (; byte < size; byte++) |
| 1918 | if (name[byte]) |
| 1919 | return(0); |
| 1920 | return (plen); |
| 1921 | } |
| 1922 | |
| 1923 | static char * |
| 1924 | sec2str(total) |
| 1925 | time_t total; |
| 1926 | { |
| 1927 | static char result[256]; |
| 1928 | int days, hours, mins, secs; |
| 1929 | int first = 1; |
| 1930 | char *p = result; |
| 1931 | |
| 1932 | if (0) { |
| 1933 | days = total / 3600 / 24; |
| 1934 | hours = (total / 3600) % 24; |
| 1935 | mins = (total / 60) % 60; |
| 1936 | secs = total % 60; |
| 1937 | |
| 1938 | if (days) { |
| 1939 | first = 0; |
| 1940 | p += sprintf(p, "%dd", days); |
| 1941 | } |
| 1942 | if (!first || hours) { |
| 1943 | first = 0; |
| 1944 | p += sprintf(p, "%dh", hours); |
| 1945 | } |
| 1946 | if (!first || mins) { |
| 1947 | first = 0; |
| 1948 | p += sprintf(p, "%dm", mins); |
| 1949 | } |
| 1950 | sprintf(p, "%ds", secs); |
| 1951 | } else |
| 1952 | sprintf(result, "%lu", (unsigned long)total); |
| 1953 | |
| 1954 | return(result); |
| 1955 | } |
| 1956 | #endif /*INET6*/ |
| 1957 | |
| 1958 | void |
| 1959 | ifmaybeload(name) |
| 1960 | char *name; |
| 1961 | { |
| 1962 | struct module_stat mstat; |
| 1963 | int fileid, modid; |
| 1964 | char ifkind[35], *cp, *dp; |
| 1965 | |
| 1966 | |
| 1967 | /* turn interface and unit into module name */ |
| 1968 | strcpy(ifkind, "if_"); |
| 1969 | for (cp = name, dp = ifkind + 3; |
| 1970 | (*cp != 0) && !isdigit(*cp); cp++, dp++) |
| 1971 | *dp = *cp; |
| 1972 | *dp = 0; |
| 1973 | |
| 1974 | /* scan files in kernel */ |
| 1975 | mstat.version = sizeof(struct module_stat); |
| 1976 | for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) { |
| 1977 | /* scan modules in file */ |
| 1978 | for (modid = kldfirstmod(fileid); modid > 0; |
| 1979 | modid = modfnext(modid)) { |
| 1980 | if (modstat(modid, &mstat) < 0) |
| 1981 | continue; |
| 1982 | /* strip bus name if present */ |
| 1983 | if ((cp = strchr(mstat.name, '/')) != NULL) { |
| 1984 | cp++; |
| 1985 | } else { |
| 1986 | cp = mstat.name; |
| 1987 | } |
| 1988 | /* already loaded? */ |
| 1989 | if (!strcmp(ifkind, cp)) |
| 1990 | return; |
| 1991 | } |
| 1992 | } |
| 1993 | |
| 1994 | /* not present, we should try to load it */ |
| 1995 | kldload(ifkind); |
| 1996 | } |
| 1997 | |
| 1998 | void |
| 1999 | list_cloners(void) |
| 2000 | { |
| 2001 | struct if_clonereq ifcr; |
| 2002 | char *cp, *buf; |
| 2003 | int idx; |
| 2004 | int s; |
| 2005 | |
| 2006 | s = socket(AF_INET, SOCK_DGRAM, 0); |
| 2007 | if (s == -1) |
| 2008 | err(1, "socket"); |
| 2009 | |
| 2010 | memset(&ifcr, 0, sizeof(ifcr)); |
| 2011 | |
| 2012 | if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) |
| 2013 | err(1, "SIOCIFGCLONERS for count"); |
| 2014 | |
| 2015 | buf = malloc(ifcr.ifcr_total * IFNAMSIZ); |
| 2016 | if (buf == NULL) |
| 2017 | err(1, "unable to allocate cloner name buffer"); |
| 2018 | |
| 2019 | ifcr.ifcr_count = ifcr.ifcr_total; |
| 2020 | ifcr.ifcr_buffer = buf; |
| 2021 | |
| 2022 | if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) |
| 2023 | err(1, "SIOCIFGCLONERS for names"); |
| 2024 | |
| 2025 | /* |
| 2026 | * In case some disappeared in the mean time, clamp it down. |
| 2027 | */ |
| 2028 | if (ifcr.ifcr_count > ifcr.ifcr_total) |
| 2029 | ifcr.ifcr_count = ifcr.ifcr_total; |
| 2030 | |
| 2031 | for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { |
| 2032 | if (idx > 0) |
| 2033 | putchar(' '); |
| 2034 | printf("%s", cp); |
| 2035 | } |
| 2036 | |
| 2037 | putchar('\n'); |
| 2038 | free(buf); |
| 2039 | } |
| 2040 | |
| 2041 | void |
| 2042 | clone_create() |
| 2043 | { |
| 2044 | int s; |
| 2045 | |
| 2046 | s = socket(AF_INET, SOCK_DGRAM, 0); |
| 2047 | if (s == -1) |
| 2048 | err(1, "socket"); |
| 2049 | |
| 2050 | memset(&ifr, 0, sizeof(ifr)); |
| 2051 | (void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); |
| 2052 | if (ioctl(s, SIOCIFCREATE, &ifr) < 0) |
| 2053 | err(1, "SIOCIFCREATE"); |
| 2054 | |
| 2055 | if (strcmp(name, ifr.ifr_name) != 0) { |
| 2056 | printf("%s\n", ifr.ifr_name); |
| 2057 | strlcpy(name, ifr.ifr_name, sizeof(name)); |
| 2058 | } |
| 2059 | |
| 2060 | close(s); |
| 2061 | } |
| 2062 | |
| 2063 | void |
| 2064 | clone_destroy(val, d, s, rafp) |
| 2065 | const char *val; |
| 2066 | int d; |
| 2067 | int s; |
| 2068 | const struct afswtch *rafp; |
| 2069 | { |
| 2070 | |
| 2071 | (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); |
| 2072 | if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) |
| 2073 | err(1, "SIOCIFDESTROY"); |
| 2074 | } |