ifconfig.c revision 1.128
1 /* $NetBSD: ifconfig.c,v 1.128 2002/06/14 09:12:08 itojun Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 */ 72 73 #include <sys/cdefs.h> 74 #ifndef lint 75 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 76 The Regents of the University of California. All rights reserved.\n"); 77 #endif /* not lint */ 78 79 #ifndef lint 80 #if 0 81 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 82 #else 83 __RCSID("$NetBSD: ifconfig.c,v 1.128 2002/06/14 09:12:08 itojun Exp $"); 84 #endif 85 #endif /* not lint */ 86 87 #include <sys/param.h> 88 #include <sys/socket.h> 89 #include <sys/ioctl.h> 90 91 #include <net/if.h> 92 #include <net/if_dl.h> 93 #include <net/if_media.h> 94 #include <net/if_ether.h> 95 #include <net/if_ieee80211.h> 96 #include <net/if_vlanvar.h> 97 #include <netinet/in.h> 98 #include <netinet/in_var.h> 99 #ifdef INET6 100 #include <netinet6/nd6.h> 101 #endif 102 #include <arpa/inet.h> 103 104 #include <netatalk/at.h> 105 106 #define NSIP 107 #include <netns/ns.h> 108 #include <netns/ns_if.h> 109 #include <netdb.h> 110 111 #define EON 112 #include <netiso/iso.h> 113 #include <netiso/iso_var.h> 114 #include <sys/protosw.h> 115 116 #include <ctype.h> 117 #include <err.h> 118 #include <errno.h> 119 #include <stddef.h> 120 #include <stdio.h> 121 #include <stdlib.h> 122 #include <string.h> 123 #include <unistd.h> 124 #include <ifaddrs.h> 125 126 struct ifreq ifr, ridreq; 127 struct ifaliasreq addreq __attribute__((aligned(4))); 128 struct in_aliasreq in_addreq; 129 #ifdef INET6 130 struct in6_ifreq ifr6; 131 struct in6_ifreq in6_ridreq; 132 struct in6_aliasreq in6_addreq; 133 #endif 134 struct iso_ifreq iso_ridreq; 135 struct iso_aliasreq iso_addreq; 136 struct sockaddr_in netmask; 137 struct netrange at_nr; /* AppleTalk net range */ 138 139 char name[30]; 140 int flags, setaddr, setipdst, doalias; 141 u_long metric, mtu; 142 int clearaddr, s; 143 int newaddr = -1; 144 int conflicting = 0; 145 int nsellength = 1; 146 int af; 147 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag; 148 #ifdef INET6 149 int Lflag; 150 #endif 151 int reset_if_flags; 152 int explicit_prefix = 0; 153 u_int vlan_tag = (u_int)-1; 154 155 struct ifcapreq g_ifcr; 156 int g_ifcr_updated; 157 158 void notealias __P((const char *, int)); 159 void notrailers __P((const char *, int)); 160 void setifaddr __P((const char *, int)); 161 void setifdstaddr __P((const char *, int)); 162 void setifflags __P((const char *, int)); 163 void setifcaps __P((const char *, int)); 164 void setifbroadaddr __P((const char *, int)); 165 void setifipdst __P((const char *, int)); 166 void setifmetric __P((const char *, int)); 167 void setifmtu __P((const char *, int)); 168 void setifnwid __P((const char *, int)); 169 void setifnwkey __P((const char *, int)); 170 void setifpowersave __P((const char *, int)); 171 void setifpowersavesleep __P((const char *, int)); 172 void setifnetmask __P((const char *, int)); 173 void setifprefixlen __P((const char *, int)); 174 void setnsellength __P((const char *, int)); 175 void setsnpaoffset __P((const char *, int)); 176 void setatrange __P((const char *, int)); 177 void setatphase __P((const char *, int)); 178 void settunnel __P((const char *, const char *)); 179 void deletetunnel __P((const char *, int)); 180 #ifdef INET6 181 void setia6flags __P((const char *, int)); 182 void setia6pltime __P((const char *, int)); 183 void setia6vltime __P((const char *, int)); 184 void setia6lifetime __P((const char *, const char *)); 185 void setia6eui64 __P((const char *, int)); 186 #endif 187 void checkatrange __P ((struct sockaddr_at *)); 188 void setmedia __P((const char *, int)); 189 void setmediaopt __P((const char *, int)); 190 void unsetmediaopt __P((const char *, int)); 191 void setmediainst __P((const char *, int)); 192 void clone_create __P((const char *, int)); 193 void clone_destroy __P((const char *, int)); 194 void fixnsel __P((struct sockaddr_iso *)); 195 void setvlan __P((const char *, int)); 196 void setvlanif __P((const char *, int)); 197 void unsetvlanif __P((const char *, int)); 198 int main __P((int, char *[])); 199 200 /* 201 * Media stuff. Whenever a media command is first performed, the 202 * currently select media is grabbed for this interface. If `media' 203 * is given, the current media word is modifed. `mediaopt' commands 204 * only modify the set and clear words. They then operate on the 205 * current media word later. 206 */ 207 int media_current; 208 int mediaopt_set; 209 int mediaopt_clear; 210 211 int actions; /* Actions performed */ 212 213 #define A_MEDIA 0x0001 /* media command */ 214 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 215 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 216 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 217 #define A_MEDIAINST 0x0008 /* instance or inst command */ 218 219 #define NEXTARG 0xffffff 220 #define NEXTARG2 0xfffffe 221 222 const struct cmd { 223 const char *c_name; 224 int c_parameter; /* NEXTARG means next argv */ 225 int c_action; /* defered action */ 226 void (*c_func) __P((const char *, int)); 227 void (*c_func2) __P((const char *, const char *)); 228 } cmds[] = { 229 { "up", IFF_UP, 0, setifflags } , 230 { "down", -IFF_UP, 0, setifflags }, 231 { "trailers", -1, 0, notrailers }, 232 { "-trailers", 1, 0, notrailers }, 233 { "arp", -IFF_NOARP, 0, setifflags }, 234 { "-arp", IFF_NOARP, 0, setifflags }, 235 { "debug", IFF_DEBUG, 0, setifflags }, 236 { "-debug", -IFF_DEBUG, 0, setifflags }, 237 { "alias", IFF_UP, 0, notealias }, 238 { "-alias", -IFF_UP, 0, notealias }, 239 { "delete", -IFF_UP, 0, notealias }, 240 #ifdef notdef 241 #define EN_SWABIPS 0x1000 242 { "swabips", EN_SWABIPS, 0, setifflags }, 243 { "-swabips", -EN_SWABIPS, 0, setifflags }, 244 #endif 245 { "netmask", NEXTARG, 0, setifnetmask }, 246 { "metric", NEXTARG, 0, setifmetric }, 247 { "mtu", NEXTARG, 0, setifmtu }, 248 { "nwid", NEXTARG, 0, setifnwid }, 249 { "nwkey", NEXTARG, 0, setifnwkey }, 250 { "-nwkey", -1, 0, setifnwkey }, 251 { "powersave", 1, 0, setifpowersave }, 252 { "-powersave", 0, 0, setifpowersave }, 253 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 254 { "broadcast", NEXTARG, 0, setifbroadaddr }, 255 { "ipdst", NEXTARG, 0, setifipdst }, 256 { "prefixlen", NEXTARG, 0, setifprefixlen}, 257 #ifdef INET6 258 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 259 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 260 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 261 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 262 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 263 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 264 { "pltime", NEXTARG, 0, setia6pltime }, 265 { "vltime", NEXTARG, 0, setia6vltime }, 266 { "eui64", 0, 0, setia6eui64 }, 267 #endif /*INET6*/ 268 #ifndef INET_ONLY 269 { "range", NEXTARG, 0, setatrange }, 270 { "phase", NEXTARG, 0, setatphase }, 271 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 272 { "nsellength", NEXTARG, 0, setnsellength }, 273 #endif /* INET_ONLY */ 274 { "tunnel", NEXTARG2, 0, NULL, 275 settunnel } , 276 { "deletetunnel", 0, 0, deletetunnel }, 277 { "vlan", NEXTARG, 0, setvlan } , 278 { "vlanif", NEXTARG, 0, setvlanif } , 279 { "-vlanif", 0, 0, unsetvlanif } , 280 #if 0 281 /* XXX `create' special-cased below */ 282 { "create", 0, 0, clone_create } , 283 #endif 284 { "destroy", 0, 0, clone_destroy } , 285 { "link0", IFF_LINK0, 0, setifflags } , 286 { "-link0", -IFF_LINK0, 0, setifflags } , 287 { "link1", IFF_LINK1, 0, setifflags } , 288 { "-link1", -IFF_LINK1, 0, setifflags } , 289 { "link2", IFF_LINK2, 0, setifflags } , 290 { "-link2", -IFF_LINK2, 0, setifflags } , 291 { "media", NEXTARG, A_MEDIA, setmedia }, 292 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 293 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 294 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 295 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 296 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 297 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 298 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 299 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 300 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 301 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 302 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 303 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 304 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 305 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 306 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 307 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 308 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 309 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 310 { 0, 0, 0, setifaddr }, 311 { 0, 0, 0, setifdstaddr }, 312 }; 313 314 void adjust_nsellength __P((void)); 315 int getinfo __P((struct ifreq *)); 316 int carrier __P((void)); 317 void getsock __P((int)); 318 void printall __P((const char *)); 319 void list_cloners __P((void)); 320 void printb __P((const char *, unsigned short, const char *)); 321 int prefix __P((void *, int)); 322 void status __P((const struct sockaddr_dl *)); 323 void usage __P((void)); 324 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 325 void print_string __P((const u_int8_t *, int)); 326 char *sec2str __P((time_t)); 327 328 const char *get_media_type_string __P((int)); 329 const char *get_media_subtype_string __P((int)); 330 int get_media_subtype __P((int, const char *)); 331 int get_media_options __P((int, const char *)); 332 int lookup_media_word __P((struct ifmedia_description *, int, 333 const char *)); 334 void print_media_word __P((int, int, int)); 335 void process_media_commands __P((void)); 336 void init_current_media __P((void)); 337 338 /* 339 * XNS support liberally adapted from code written at the University of 340 * Maryland principally by James O'Toole and Chris Torek. 341 */ 342 void in_alias __P((struct ifreq *)); 343 void in_status __P((int)); 344 void in_getaddr __P((const char *, int)); 345 void in_getprefix __P((const char *, int)); 346 #ifdef INET6 347 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 348 void in6_alias __P((struct in6_ifreq *)); 349 void in6_status __P((int)); 350 void in6_getaddr __P((const char *, int)); 351 void in6_getprefix __P((const char *, int)); 352 #endif 353 void at_status __P((int)); 354 void at_getaddr __P((const char *, int)); 355 void xns_status __P((int)); 356 void xns_getaddr __P((const char *, int)); 357 void iso_status __P((int)); 358 void iso_getaddr __P((const char *, int)); 359 360 void ieee80211_status __P((void)); 361 void tunnel_status __P((void)); 362 void vlan_status __P((void)); 363 364 /* Known address families */ 365 struct afswtch { 366 const char *af_name; 367 short af_af; 368 void (*af_status) __P((int)); 369 void (*af_getaddr) __P((const char *, int)); 370 void (*af_getprefix) __P((const char *, int)); 371 u_long af_difaddr; 372 u_long af_aifaddr; 373 u_long af_gifaddr; 374 caddr_t af_ridreq; 375 caddr_t af_addreq; 376 } afs[] = { 377 #define C(x) ((caddr_t) &x) 378 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 379 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 380 #ifdef INET6 381 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 382 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 383 /* 384 * Deleting the first address before setting new one is 385 * not prefered way in this protocol. 386 */ 387 0, 388 C(in6_ridreq), C(in6_addreq) }, 389 #endif 390 #ifndef INET_ONLY /* small version, for boot media */ 391 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 392 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 393 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 394 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 395 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 396 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 397 C(iso_ridreq), C(iso_addreq) }, 398 #endif /* INET_ONLY */ 399 { 0, 0, 0, 0 } 400 }; 401 402 struct afswtch *afp; /*the address family being set or asked about*/ 403 404 struct afswtch *lookup_af __P((const char *)); 405 406 int 407 main(argc, argv) 408 int argc; 409 char *argv[]; 410 { 411 struct ifreq ifreq; 412 int ch; 413 414 /* Parse command-line options */ 415 aflag = mflag = vflag = 0; 416 while ((ch = getopt(argc, argv, "AabCdlmsuv" 417 #ifdef INET6 418 "L" 419 #endif 420 )) != -1) { 421 switch (ch) { 422 case 'A': 423 warnx("-A is deprecated"); 424 break; 425 426 case 'a': 427 aflag = 1; 428 break; 429 430 case 'b': 431 bflag = 1; 432 break; 433 434 435 case 'C': 436 Cflag = 1; 437 break; 438 439 case 'd': 440 dflag = 1; 441 break; 442 443 #ifdef INET6 444 case 'L': 445 Lflag = 1; 446 break; 447 #endif 448 449 case 'l': 450 lflag = 1; 451 break; 452 453 case 'm': 454 mflag = 1; 455 break; 456 457 case 's': 458 sflag = 1; 459 break; 460 461 case 'u': 462 uflag = 1; 463 break; 464 465 case 'v': 466 vflag = 1; 467 break; 468 469 470 default: 471 usage(); 472 /* NOTREACHED */ 473 } 474 } 475 argc -= optind; 476 argv += optind; 477 478 /* 479 * -l means "list all interfaces", and is mutally exclusive with 480 * all other flags/commands. 481 * 482 * -C means "list all names of cloners", and it mutually exclusive 483 * with all other flags/commands. 484 * 485 * -a means "print status of all interfaces". 486 */ 487 if ((lflag || Cflag) && (aflag || mflag || vflag || argc)) 488 usage(); 489 #ifdef INET6 490 if ((lflag || Cflag) && Lflag) 491 usage(); 492 #endif 493 if (lflag && Cflag) 494 usage(); 495 if (Cflag) { 496 if (argc) 497 usage(); 498 list_cloners(); 499 exit(0); 500 } 501 if (aflag || lflag) { 502 if (argc > 1) 503 usage(); 504 else if (argc == 1) { 505 afp = lookup_af(argv[0]); 506 if (afp == NULL) 507 usage(); 508 } 509 if (afp) 510 af = ifr.ifr_addr.sa_family = afp->af_af; 511 else 512 af = ifr.ifr_addr.sa_family = afs[0].af_af; 513 printall(NULL); 514 exit(0); 515 } 516 517 /* Make sure there's an interface name. */ 518 if (argc < 1) 519 usage(); 520 (void) strncpy(name, argv[0], sizeof(name)); 521 argc--; argv++; 522 523 /* 524 * NOTE: We must special-case the `create' command right 525 * here as we would otherwise fail in getinfo(). 526 */ 527 if (argc > 0 && strcmp(argv[0], "create") == 0) { 528 clone_create(argv[0], 0); 529 argc--, argv++; 530 if (argc == 0) 531 exit(0); 532 } 533 534 /* Check for address family. */ 535 afp = NULL; 536 if (argc > 0) { 537 afp = lookup_af(argv[0]); 538 if (afp != NULL) { 539 argv++; 540 argc--; 541 } 542 } 543 544 /* Initialize af, just for use in getinfo(). */ 545 if (afp == NULL) 546 af = afs->af_af; 547 else 548 af = afp->af_af; 549 550 /* Get information about the interface. */ 551 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 552 if (getinfo(&ifr) < 0) 553 exit(1); 554 555 if (sflag) { 556 if (argc != 0) 557 usage(); 558 else 559 exit(carrier()); 560 } 561 562 /* No more arguments means interface status. */ 563 if (argc == 0) { 564 printall(name); 565 exit(0); 566 } 567 568 /* The following operations assume inet family as the default. */ 569 if (afp == NULL) 570 afp = afs; 571 af = ifr.ifr_addr.sa_family = afp->af_af; 572 573 #ifdef INET6 574 /* initialization */ 575 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 576 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 577 #endif 578 579 /* Process commands. */ 580 while (argc > 0) { 581 const struct cmd *p; 582 583 for (p = cmds; p->c_name; p++) 584 if (strcmp(argv[0], p->c_name) == 0) 585 break; 586 if (p->c_name == 0 && setaddr) { 587 if ((flags & IFF_POINTOPOINT) == 0) { 588 errx(EXIT_FAILURE, 589 "can't set destination address %s", 590 "on non-point-to-point link"); 591 } 592 p++; /* got src, do dst */ 593 } 594 if (p->c_func != NULL || p->c_func2 != NULL) { 595 if (p->c_parameter == NEXTARG) { 596 if (argc < 2) 597 errx(EXIT_FAILURE, 598 "'%s' requires argument", 599 p->c_name); 600 (*p->c_func)(argv[1], 0); 601 argc--, argv++; 602 } else if (p->c_parameter == NEXTARG2) { 603 if (argc < 3) 604 errx(EXIT_FAILURE, 605 "'%s' requires 2 arguments", 606 p->c_name); 607 (*p->c_func2)(argv[1], argv[2]); 608 argc -= 2, argv += 2; 609 } else 610 (*p->c_func)(argv[0], p->c_parameter); 611 actions |= p->c_action; 612 } 613 argc--, argv++; 614 } 615 616 /* 617 * See if multiple alias, -alias, or delete commands were 618 * specified. More than one constitutes an invalid command line 619 */ 620 621 if (conflicting > 1) 622 err(EXIT_FAILURE, 623 "Only one use of alias, -alias or delete is valid."); 624 625 /* Process any media commands that may have been issued. */ 626 process_media_commands(); 627 628 if (af == AF_INET6 && explicit_prefix == 0) { 629 /* 630 * Aggregatable address architecture defines all prefixes 631 * are 64. So, it is convenient to set prefixlen to 64 if 632 * it is not specified. 633 */ 634 setifprefixlen("64", 0); 635 /* in6_getprefix("64", MASK) if MASK is available here... */ 636 } 637 638 #ifndef INET_ONLY 639 if (af == AF_ISO) 640 adjust_nsellength(); 641 642 if (af == AF_APPLETALK) 643 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 644 645 if (setipdst && af==AF_NS) { 646 struct nsip_req rq; 647 int size = sizeof(rq); 648 649 rq.rq_ns = addreq.ifra_addr; 650 rq.rq_ip = addreq.ifra_dstaddr; 651 652 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 653 warn("encapsulation routing"); 654 } 655 656 #endif /* INET_ONLY */ 657 658 if (clearaddr) { 659 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 660 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 661 err(EXIT_FAILURE, "SIOCDIFADDR"); 662 } 663 if (newaddr > 0) { 664 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 665 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 666 warn("SIOCAIFADDR"); 667 } 668 669 if (g_ifcr_updated) { 670 (void) strncpy(g_ifcr.ifcr_name, name, 671 sizeof(g_ifcr.ifcr_name)); 672 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 673 err(EXIT_FAILURE, "SIOCSIFCAP"); 674 } 675 676 if (reset_if_flags) { 677 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 678 ifreq.ifr_flags = flags; 679 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 680 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 681 } 682 exit(0); 683 } 684 685 struct afswtch * 686 lookup_af(cp) 687 const char *cp; 688 { 689 struct afswtch *a; 690 691 for (a = afs; a->af_name != NULL; a++) 692 if (strcmp(a->af_name, cp) == 0) 693 return (a); 694 return (NULL); 695 } 696 697 void 698 getsock(naf) 699 int naf; 700 { 701 static int oaf = -1; 702 703 if (oaf == naf) 704 return; 705 if (oaf != -1) 706 close(s); 707 s = socket(naf, SOCK_DGRAM, 0); 708 if (s < 0) 709 oaf = -1; 710 else 711 oaf = naf; 712 } 713 714 int 715 getinfo(giifr) 716 struct ifreq *giifr; 717 { 718 719 getsock(af); 720 if (s < 0) 721 err(EXIT_FAILURE, "socket"); 722 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 723 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 724 return (-1); 725 } 726 flags = giifr->ifr_flags; 727 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 728 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 729 metric = 0; 730 } else 731 metric = giifr->ifr_metric; 732 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 733 mtu = 0; 734 else 735 mtu = giifr->ifr_mtu; 736 737 memset(&g_ifcr, 0, sizeof(g_ifcr)); 738 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 739 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 740 741 return (0); 742 } 743 744 void 745 printall(ifname) 746 const char *ifname; 747 { 748 struct ifaddrs *ifap, *ifa; 749 struct ifreq paifr; 750 const struct sockaddr_dl *sdl = NULL; 751 int idx; 752 char *p; 753 754 if (getifaddrs(&ifap) != 0) 755 err(EXIT_FAILURE, "getifaddrs"); 756 p = NULL; 757 idx = 0; 758 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 759 memset(&paifr, 0, sizeof(paifr)); 760 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 761 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 762 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 763 ifa->ifa_addr->sa_len); 764 } 765 766 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 767 continue; 768 if (ifa->ifa_addr->sa_family == AF_LINK) 769 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 770 if (p && strcmp(p, ifa->ifa_name) == 0) 771 continue; 772 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 773 name[sizeof(name) - 1] = '\0'; 774 p = ifa->ifa_name; 775 776 if (getinfo(&paifr) < 0) 777 continue; 778 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 779 continue; 780 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 781 continue; 782 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 783 continue; 784 785 if (sflag && carrier()) 786 continue; 787 idx++; 788 /* 789 * Are we just listing the interfaces? 790 */ 791 if (lflag) { 792 if (idx > 1) 793 putchar(' '); 794 fputs(name, stdout); 795 continue; 796 } 797 798 status(sdl); 799 sdl = NULL; 800 } 801 if (lflag) 802 putchar('\n'); 803 freeifaddrs(ifap); 804 } 805 806 void 807 list_cloners(void) 808 { 809 struct if_clonereq ifcr; 810 char *cp, *buf; 811 int idx; 812 813 memset(&ifcr, 0, sizeof(ifcr)); 814 815 getsock(AF_INET); 816 817 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 818 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 819 820 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 821 if (buf == NULL) 822 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 823 824 ifcr.ifcr_count = ifcr.ifcr_total; 825 ifcr.ifcr_buffer = buf; 826 827 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 828 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 829 830 /* 831 * In case some disappeared in the mean time, clamp it down. 832 */ 833 if (ifcr.ifcr_count > ifcr.ifcr_total) 834 ifcr.ifcr_count = ifcr.ifcr_total; 835 836 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 837 if (idx > 0) 838 putchar(' '); 839 printf("%s", cp); 840 } 841 842 putchar('\n'); 843 free(buf); 844 return; 845 } 846 847 /*ARGSUSED*/ 848 void 849 clone_create(addr, param) 850 const char *addr; 851 int param; 852 { 853 854 /* We're called early... */ 855 getsock(AF_INET); 856 857 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 858 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 859 err(EXIT_FAILURE, "SIOCIFCREATE"); 860 } 861 862 /*ARGSUSED*/ 863 void 864 clone_destroy(addr, param) 865 const char *addr; 866 int param; 867 { 868 869 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 870 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 871 err(EXIT_FAILURE, "SIOCIFDESTROY"); 872 } 873 874 #define RIDADDR 0 875 #define ADDR 1 876 #define MASK 2 877 #define DSTADDR 3 878 879 /*ARGSUSED*/ 880 void 881 setifaddr(addr, param) 882 const char *addr; 883 int param; 884 { 885 struct ifreq *siifr; /* XXX */ 886 887 /* 888 * Delay the ioctl to set the interface addr until flags are all set. 889 * The address interpretation may depend on the flags, 890 * and the flags may change when the address is set. 891 */ 892 setaddr++; 893 if (newaddr == -1) 894 newaddr = 1; 895 if (doalias == 0 && afp->af_gifaddr != 0) { 896 siifr = (struct ifreq *)afp->af_ridreq; 897 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 898 siifr->ifr_addr.sa_family = afp->af_af; 899 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 900 clearaddr = 1; 901 else if (errno == EADDRNOTAVAIL) 902 /* No address was assigned yet. */ 903 ; 904 else 905 err(EXIT_FAILURE, "SIOCGIFADDR"); 906 } 907 908 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 909 } 910 911 void 912 settunnel(src, dst) 913 const char *src, *dst; 914 { 915 struct addrinfo hints, *srcres, *dstres; 916 int ecode; 917 struct if_laddrreq req; 918 919 memset(&hints, 0, sizeof(hints)); 920 hints.ai_family = afp->af_af; 921 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 922 923 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 924 errx(EXIT_FAILURE, "error in parsing address string: %s", 925 gai_strerror(ecode)); 926 927 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 928 errx(EXIT_FAILURE, "error in parsing address string: %s", 929 gai_strerror(ecode)); 930 931 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 932 errx(EXIT_FAILURE, 933 "source and destination address families do not match"); 934 935 if (srcres->ai_addrlen > sizeof(req.addr) || 936 dstres->ai_addrlen > sizeof(req.dstaddr)) 937 errx(EXIT_FAILURE, "invalid sockaddr"); 938 939 memset(&req, 0, sizeof(req)); 940 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 941 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 942 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 943 944 #ifdef INET6 945 if (req.addr.ss_family == AF_INET6) { 946 struct sockaddr_in6 *s6, *d; 947 948 s6 = (struct sockaddr_in6 *)&req.addr; 949 d = (struct sockaddr_in6 *)&req.dstaddr; 950 if (s6->sin6_scope_id != d->sin6_scope_id) { 951 errx(EXIT_FAILURE, "scope mismatch"); 952 /* NOTREACHED */ 953 } 954 #ifdef __KAME__ 955 /* embed scopeid */ 956 if (s6->sin6_scope_id && 957 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 958 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 959 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 960 htons(s6->sin6_scope_id); 961 } 962 if (d->sin6_scope_id && 963 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 964 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 965 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 966 htons(d->sin6_scope_id); 967 } 968 #endif 969 } 970 #endif 971 972 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 973 warn("SIOCSLIFPHYADDR"); 974 975 freeaddrinfo(srcres); 976 freeaddrinfo(dstres); 977 } 978 979 /* ARGSUSED */ 980 void 981 deletetunnel(vname, param) 982 const char *vname; 983 int param; 984 { 985 986 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 987 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 988 } 989 990 void setvlan(val, d) 991 const char *val; 992 int d; 993 { 994 struct vlanreq vlr; 995 996 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 997 !isdigit(ifr.ifr_name[4])) 998 errx(EXIT_FAILURE, 999 "``vlan'' valid only with vlan(4) interfaces"); 1000 1001 vlan_tag = atoi(val); 1002 1003 memset(&vlr, 0, sizeof(vlr)); 1004 ifr.ifr_data = (caddr_t)&vlr; 1005 1006 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1007 err(EXIT_FAILURE, "SIOCGETVLAN"); 1008 1009 vlr.vlr_tag = vlan_tag; 1010 1011 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1012 err(EXIT_FAILURE, "SIOCSETVLAN"); 1013 } 1014 1015 void setvlanif(val, d) 1016 const char *val; 1017 int d; 1018 { 1019 struct vlanreq vlr; 1020 1021 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1022 !isdigit(ifr.ifr_name[4])) 1023 errx(EXIT_FAILURE, 1024 "``vlanif'' valid only with vlan(4) interfaces"); 1025 1026 if (vlan_tag == (u_int)-1) 1027 errx(EXIT_FAILURE, 1028 "must specify both ``vlan'' and ``vlanif''"); 1029 1030 memset(&vlr, 0, sizeof(vlr)); 1031 ifr.ifr_data = (caddr_t)&vlr; 1032 1033 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1034 err(EXIT_FAILURE, "SIOCGETVLAN"); 1035 1036 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1037 vlr.vlr_tag = vlan_tag; 1038 1039 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1040 err(EXIT_FAILURE, "SIOCSETVLAN"); 1041 } 1042 1043 void unsetvlanif(val, d) 1044 const char *val; 1045 int d; 1046 { 1047 struct vlanreq vlr; 1048 1049 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1050 !isdigit(ifr.ifr_name[4])) 1051 errx(EXIT_FAILURE, 1052 "``vlanif'' valid only with vlan(4) interfaces"); 1053 1054 memset(&vlr, 0, sizeof(vlr)); 1055 ifr.ifr_data = (caddr_t)&vlr; 1056 1057 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1058 err(EXIT_FAILURE, "SIOCGETVLAN"); 1059 1060 vlr.vlr_parent[0] = '\0'; 1061 vlr.vlr_tag = 0; 1062 1063 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1064 err(EXIT_FAILURE, "SIOCSETVLAN"); 1065 } 1066 1067 void 1068 setifnetmask(addr, d) 1069 const char *addr; 1070 int d; 1071 { 1072 (*afp->af_getaddr)(addr, MASK); 1073 } 1074 1075 void 1076 setifbroadaddr(addr, d) 1077 const char *addr; 1078 int d; 1079 { 1080 (*afp->af_getaddr)(addr, DSTADDR); 1081 } 1082 1083 void 1084 setifipdst(addr, d) 1085 const char *addr; 1086 int d; 1087 { 1088 in_getaddr(addr, DSTADDR); 1089 setipdst++; 1090 clearaddr = 0; 1091 newaddr = 0; 1092 } 1093 1094 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1095 /*ARGSUSED*/ 1096 void 1097 notealias(addr, param) 1098 const char *addr; 1099 int param; 1100 { 1101 if (setaddr && doalias == 0 && param < 0) 1102 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1103 rqtosa(af_addreq)->sa_len); 1104 doalias = param; 1105 if (param < 0) { 1106 clearaddr = 1; 1107 newaddr = 0; 1108 conflicting++; 1109 } else { 1110 clearaddr = 0; 1111 conflicting++; 1112 } 1113 } 1114 1115 /*ARGSUSED*/ 1116 void 1117 notrailers(vname, value) 1118 const char *vname; 1119 int value; 1120 { 1121 puts("Note: trailers are no longer sent, but always received"); 1122 } 1123 1124 /*ARGSUSED*/ 1125 void 1126 setifdstaddr(addr, param) 1127 const char *addr; 1128 int param; 1129 { 1130 (*afp->af_getaddr)(addr, DSTADDR); 1131 } 1132 1133 void 1134 setifflags(vname, value) 1135 const char *vname; 1136 int value; 1137 { 1138 struct ifreq ifreq; 1139 1140 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1141 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1142 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1143 flags = ifreq.ifr_flags; 1144 1145 if (value < 0) { 1146 value = -value; 1147 flags &= ~value; 1148 } else 1149 flags |= value; 1150 ifreq.ifr_flags = flags; 1151 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1152 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1153 1154 reset_if_flags = 1; 1155 } 1156 1157 void 1158 setifcaps(vname, value) 1159 const char *vname; 1160 int value; 1161 { 1162 1163 if (value < 0) { 1164 value = -value; 1165 g_ifcr.ifcr_capenable &= ~value; 1166 } else 1167 g_ifcr.ifcr_capenable |= value; 1168 1169 g_ifcr_updated = 1; 1170 } 1171 1172 #ifdef INET6 1173 void 1174 setia6flags(vname, value) 1175 const char *vname; 1176 int value; 1177 { 1178 1179 if (value < 0) { 1180 value = -value; 1181 in6_addreq.ifra_flags &= ~value; 1182 } else 1183 in6_addreq.ifra_flags |= value; 1184 } 1185 1186 void 1187 setia6pltime(val, d) 1188 const char *val; 1189 int d; 1190 { 1191 1192 setia6lifetime("pltime", val); 1193 } 1194 1195 void 1196 setia6vltime(val, d) 1197 const char *val; 1198 int d; 1199 { 1200 1201 setia6lifetime("vltime", val); 1202 } 1203 1204 void 1205 setia6lifetime(cmd, val) 1206 const char *cmd; 1207 const char *val; 1208 { 1209 time_t newval, t; 1210 char *ep; 1211 1212 t = time(NULL); 1213 newval = (time_t)strtoul(val, &ep, 0); 1214 if (val == ep) 1215 errx(EXIT_FAILURE, "invalid %s", cmd); 1216 if (afp->af_af != AF_INET6) 1217 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1218 if (strcmp(cmd, "vltime") == 0) { 1219 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1220 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1221 } else if (strcmp(cmd, "pltime") == 0) { 1222 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1223 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1224 } 1225 } 1226 1227 void 1228 setia6eui64(cmd, val) 1229 const char *cmd; 1230 int val; 1231 { 1232 struct ifaddrs *ifap, *ifa; 1233 const struct sockaddr_in6 *sin6 = NULL; 1234 const struct in6_addr *lladdr = NULL; 1235 struct in6_addr *in6; 1236 1237 if (afp->af_af != AF_INET6) 1238 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1239 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1240 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1241 errx(EXIT_FAILURE, "interface index is already filled"); 1242 if (getifaddrs(&ifap) != 0) 1243 err(EXIT_FAILURE, "getifaddrs"); 1244 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1245 if (ifa->ifa_addr->sa_family == AF_INET6 && 1246 strcmp(ifa->ifa_name, name) == 0) { 1247 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1248 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1249 lladdr = &sin6->sin6_addr; 1250 break; 1251 } 1252 } 1253 } 1254 if (!lladdr) 1255 errx(EXIT_FAILURE, "could not determine link local address"); 1256 1257 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1258 1259 freeifaddrs(ifap); 1260 } 1261 #endif 1262 1263 void 1264 setifmetric(val, d) 1265 const char *val; 1266 int d; 1267 { 1268 char *ep = NULL; 1269 1270 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1271 ifr.ifr_metric = strtoul(val, &ep, 10); 1272 if (!ep || *ep) 1273 errx(EXIT_FAILURE, "%s: invalid metric", val); 1274 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1275 warn("SIOCSIFMETRIC"); 1276 } 1277 1278 void 1279 setifmtu(val, d) 1280 const char *val; 1281 int d; 1282 { 1283 char *ep = NULL; 1284 1285 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1286 ifr.ifr_mtu = strtoul(val, &ep, 10); 1287 if (!ep || *ep) 1288 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1289 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1290 warn("SIOCSIFMTU"); 1291 } 1292 1293 const char * 1294 get_string(val, sep, buf, lenp) 1295 const char *val, *sep; 1296 u_int8_t *buf; 1297 int *lenp; 1298 { 1299 int len; 1300 int hexstr; 1301 u_int8_t *p; 1302 1303 len = *lenp; 1304 p = buf; 1305 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1306 if (hexstr) 1307 val += 2; 1308 for (;;) { 1309 if (*val == '\0') 1310 break; 1311 if (sep != NULL && strchr(sep, *val) != NULL) { 1312 val++; 1313 break; 1314 } 1315 if (hexstr) { 1316 if (!isxdigit((u_char)val[0]) || 1317 !isxdigit((u_char)val[1])) { 1318 warnx("bad hexadecimal digits"); 1319 return NULL; 1320 } 1321 } 1322 if (p > buf + len) { 1323 if (hexstr) 1324 warnx("hexadecimal digits too long"); 1325 else 1326 warnx("strings too long"); 1327 return NULL; 1328 } 1329 if (hexstr) { 1330 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1331 *p++ = (tohex((u_char)val[0]) << 4) | 1332 tohex((u_char)val[1]); 1333 #undef tohex 1334 val += 2; 1335 } else 1336 *p++ = *val++; 1337 } 1338 len = p - buf; 1339 if (len < *lenp) 1340 memset(p, 0, *lenp - len); 1341 *lenp = len; 1342 return val; 1343 } 1344 1345 void 1346 print_string(buf, len) 1347 const u_int8_t *buf; 1348 int len; 1349 { 1350 int i; 1351 int hasspc; 1352 1353 i = 0; 1354 hasspc = 0; 1355 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1356 for (; i < len; i++) { 1357 if (!isprint(buf[i])) 1358 break; 1359 if (isspace(buf[i])) 1360 hasspc++; 1361 } 1362 } 1363 if (i == len) { 1364 if (hasspc || len == 0) 1365 printf("\"%.*s\"", len, buf); 1366 else 1367 printf("%.*s", len, buf); 1368 } else { 1369 printf("0x"); 1370 for (i = 0; i < len; i++) 1371 printf("%02x", buf[i]); 1372 } 1373 } 1374 1375 void 1376 setifnwid(val, d) 1377 const char *val; 1378 int d; 1379 { 1380 struct ieee80211_nwid nwid; 1381 int len; 1382 1383 len = sizeof(nwid.i_nwid); 1384 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1385 return; 1386 nwid.i_len = len; 1387 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1388 ifr.ifr_data = (caddr_t)&nwid; 1389 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1390 warn("SIOCS80211NWID"); 1391 } 1392 1393 void 1394 setifnwkey(val, d) 1395 const char *val; 1396 int d; 1397 { 1398 struct ieee80211_nwkey nwkey; 1399 int i; 1400 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1401 1402 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1403 nwkey.i_defkid = 1; 1404 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1405 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1406 nwkey.i_key[i].i_keydat = keybuf[i]; 1407 } 1408 if (d != 0) { 1409 /* disable WEP encryption */ 1410 nwkey.i_wepon = 0; 1411 i = 0; 1412 } else if (strcasecmp("persist", val) == 0) { 1413 /* use all values from persistent memory */ 1414 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1415 nwkey.i_defkid = 0; 1416 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1417 nwkey.i_key[i].i_keylen = -1; 1418 } else if (strncasecmp("persist:", val, 8) == 0) { 1419 val += 8; 1420 /* program keys in persistent memory */ 1421 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1422 goto set_nwkey; 1423 } else { 1424 set_nwkey: 1425 if (isdigit(val[0]) && val[1] == ':') { 1426 /* specifying a full set of four keys */ 1427 nwkey.i_defkid = val[0] - '0'; 1428 val += 2; 1429 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1430 val = get_string(val, ",", keybuf[i], 1431 &nwkey.i_key[i].i_keylen); 1432 if (val == NULL) 1433 return; 1434 } 1435 if (*val != '\0') { 1436 warnx("SIOCS80211NWKEY: too many keys."); 1437 return; 1438 } 1439 } else { 1440 val = get_string(val, NULL, keybuf[0], 1441 &nwkey.i_key[0].i_keylen); 1442 if (val == NULL) 1443 return; 1444 i = 1; 1445 } 1446 } 1447 for (; i < IEEE80211_WEP_NKID; i++) 1448 nwkey.i_key[i].i_keylen = 0; 1449 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1450 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1451 warn("SIOCS80211NWKEY"); 1452 } 1453 1454 void 1455 setifpowersave(val, d) 1456 const char *val; 1457 int d; 1458 { 1459 struct ieee80211_power power; 1460 1461 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1462 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1463 warn("SIOCG80211POWER"); 1464 return; 1465 } 1466 1467 power.i_enabled = d; 1468 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1469 warn("SIOCS80211POWER"); 1470 } 1471 1472 void 1473 setifpowersavesleep(val, d) 1474 const char *val; 1475 int d; 1476 { 1477 struct ieee80211_power power; 1478 1479 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1480 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1481 warn("SIOCG80211POWER"); 1482 return; 1483 } 1484 1485 power.i_maxsleep = atoi(val); 1486 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1487 warn("SIOCS80211POWER"); 1488 } 1489 1490 void 1491 ieee80211_status() 1492 { 1493 int i, nwkey_verbose; 1494 struct ieee80211_nwid nwid; 1495 struct ieee80211_nwkey nwkey; 1496 struct ieee80211_power power; 1497 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1498 1499 memset(&ifr, 0, sizeof(ifr)); 1500 ifr.ifr_data = (caddr_t)&nwid; 1501 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1502 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1503 return; 1504 if (nwid.i_len > IEEE80211_NWID_LEN) { 1505 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1506 return; 1507 } 1508 printf("\tnwid "); 1509 print_string(nwid.i_nwid, nwid.i_len); 1510 memset(&nwkey, 0, sizeof(nwkey)); 1511 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1512 /* show nwkey only when WEP is enabled */ 1513 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1514 nwkey.i_wepon == 0) { 1515 printf("\n"); 1516 goto skip_wep; 1517 } 1518 1519 printf(" nwkey "); 1520 /* try to retrieve WEP keys */ 1521 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1522 nwkey.i_key[i].i_keydat = keybuf[i]; 1523 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1524 } 1525 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1526 printf("*****"); 1527 } else { 1528 nwkey_verbose = 0; 1529 /* check to see non default key or multiple keys defined */ 1530 if (nwkey.i_defkid != 1) { 1531 nwkey_verbose = 1; 1532 } else { 1533 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1534 if (nwkey.i_key[i].i_keylen != 0) { 1535 nwkey_verbose = 1; 1536 break; 1537 } 1538 } 1539 } 1540 /* check extra ambiguity with keywords */ 1541 if (!nwkey_verbose) { 1542 if (nwkey.i_key[0].i_keylen >= 2 && 1543 isdigit(nwkey.i_key[0].i_keydat[0]) && 1544 nwkey.i_key[0].i_keydat[1] == ':') 1545 nwkey_verbose = 1; 1546 else if (nwkey.i_key[0].i_keylen >= 7 && 1547 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1548 == 0) 1549 nwkey_verbose = 1; 1550 } 1551 if (nwkey_verbose) 1552 printf("%d:", nwkey.i_defkid); 1553 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1554 if (i > 0) 1555 printf(","); 1556 if (nwkey.i_key[i].i_keylen < 0) 1557 printf("persist"); 1558 else 1559 print_string(nwkey.i_key[i].i_keydat, 1560 nwkey.i_key[i].i_keylen); 1561 if (!nwkey_verbose) 1562 break; 1563 } 1564 } 1565 printf("\n"); 1566 1567 skip_wep: 1568 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1569 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1570 return; 1571 printf("\tpowersave "); 1572 if (power.i_enabled) 1573 printf("on (%dms sleep)", power.i_maxsleep); 1574 else 1575 printf("off"); 1576 printf("\n"); 1577 } 1578 1579 void 1580 init_current_media() 1581 { 1582 struct ifmediareq ifmr; 1583 1584 /* 1585 * If we have not yet done so, grab the currently-selected 1586 * media. 1587 */ 1588 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1589 (void) memset(&ifmr, 0, sizeof(ifmr)); 1590 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1591 1592 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1593 /* 1594 * If we get E2BIG, the kernel is telling us 1595 * that there are more, so we can ignore it. 1596 */ 1597 if (errno != E2BIG) 1598 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1599 } 1600 1601 media_current = ifmr.ifm_current; 1602 } 1603 1604 /* Sanity. */ 1605 if (IFM_TYPE(media_current) == 0) 1606 errx(EXIT_FAILURE, "%s: no link type?", name); 1607 } 1608 1609 void 1610 process_media_commands() 1611 { 1612 1613 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1614 /* Nothing to do. */ 1615 return; 1616 } 1617 1618 /* 1619 * Media already set up, and commands sanity-checked. Set/clear 1620 * any options, and we're ready to go. 1621 */ 1622 media_current |= mediaopt_set; 1623 media_current &= ~mediaopt_clear; 1624 1625 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1626 ifr.ifr_media = media_current; 1627 1628 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1629 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1630 } 1631 1632 void 1633 setmedia(val, d) 1634 const char *val; 1635 int d; 1636 { 1637 int type, subtype, inst; 1638 1639 init_current_media(); 1640 1641 /* Only one media command may be given. */ 1642 if (actions & A_MEDIA) 1643 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1644 1645 /* Must not come after mediaopt commands */ 1646 if (actions & A_MEDIAOPT) 1647 errx(EXIT_FAILURE, 1648 "may not issue `media' after `mediaopt' commands"); 1649 1650 /* 1651 * No need to check if `instance' has been issued; setmediainst() 1652 * craps out if `media' has not been specified. 1653 */ 1654 1655 type = IFM_TYPE(media_current); 1656 inst = IFM_INST(media_current); 1657 1658 /* Look up the subtype. */ 1659 subtype = get_media_subtype(type, val); 1660 1661 /* Build the new current media word. */ 1662 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1663 1664 /* Media will be set after other processing is complete. */ 1665 } 1666 1667 void 1668 setmediaopt(val, d) 1669 const char *val; 1670 int d; 1671 { 1672 1673 init_current_media(); 1674 1675 /* Can only issue `mediaopt' once. */ 1676 if (actions & A_MEDIAOPTSET) 1677 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1678 1679 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1680 if (actions & A_MEDIAINST) 1681 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1682 1683 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1684 1685 /* Media will be set after other processing is complete. */ 1686 } 1687 1688 void 1689 unsetmediaopt(val, d) 1690 const char *val; 1691 int d; 1692 { 1693 1694 init_current_media(); 1695 1696 /* Can only issue `-mediaopt' once. */ 1697 if (actions & A_MEDIAOPTCLR) 1698 errx(EXIT_FAILURE, 1699 "only one `-mediaopt' command may be issued"); 1700 1701 /* May not issue `media' and `-mediaopt'. */ 1702 if (actions & A_MEDIA) 1703 errx(EXIT_FAILURE, 1704 "may not issue both `media' and `-mediaopt'"); 1705 1706 /* 1707 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1708 * implicitly checks for A_MEDIAINST. 1709 */ 1710 1711 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1712 1713 /* Media will be set after other processing is complete. */ 1714 } 1715 1716 void 1717 setmediainst(val, d) 1718 const char *val; 1719 int d; 1720 { 1721 int type, subtype, options, inst; 1722 1723 init_current_media(); 1724 1725 /* Can only issue `instance' once. */ 1726 if (actions & A_MEDIAINST) 1727 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1728 1729 /* Must have already specified `media' */ 1730 if ((actions & A_MEDIA) == 0) 1731 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1732 1733 type = IFM_TYPE(media_current); 1734 subtype = IFM_SUBTYPE(media_current); 1735 options = IFM_OPTIONS(media_current); 1736 1737 inst = atoi(val); 1738 if (inst < 0 || inst > IFM_INST_MAX) 1739 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1740 1741 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1742 1743 /* Media will be set after other processing is complete. */ 1744 } 1745 1746 struct ifmedia_description ifm_type_descriptions[] = 1747 IFM_TYPE_DESCRIPTIONS; 1748 1749 struct ifmedia_description ifm_subtype_descriptions[] = 1750 IFM_SUBTYPE_DESCRIPTIONS; 1751 1752 struct ifmedia_description ifm_option_descriptions[] = 1753 IFM_OPTION_DESCRIPTIONS; 1754 1755 const char * 1756 get_media_type_string(mword) 1757 int mword; 1758 { 1759 struct ifmedia_description *desc; 1760 1761 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1762 desc++) { 1763 if (IFM_TYPE(mword) == desc->ifmt_word) 1764 return (desc->ifmt_string); 1765 } 1766 return ("<unknown type>"); 1767 } 1768 1769 const char * 1770 get_media_subtype_string(mword) 1771 int mword; 1772 { 1773 struct ifmedia_description *desc; 1774 1775 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1776 desc++) { 1777 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1778 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1779 return (desc->ifmt_string); 1780 } 1781 return ("<unknown subtype>"); 1782 } 1783 1784 int 1785 get_media_subtype(type, val) 1786 int type; 1787 const char *val; 1788 { 1789 int rval; 1790 1791 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1792 if (rval == -1) 1793 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1794 get_media_type_string(type), val); 1795 1796 return (rval); 1797 } 1798 1799 int 1800 get_media_options(type, val) 1801 int type; 1802 const char *val; 1803 { 1804 char *optlist, *str; 1805 int option, rval = 0; 1806 1807 /* We muck with the string, so copy it. */ 1808 optlist = strdup(val); 1809 if (optlist == NULL) 1810 err(EXIT_FAILURE, "strdup"); 1811 str = optlist; 1812 1813 /* 1814 * Look up the options in the user-provided comma-separated list. 1815 */ 1816 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1817 option = lookup_media_word(ifm_option_descriptions, type, str); 1818 if (option == -1) 1819 errx(EXIT_FAILURE, "unknown %s media option: %s", 1820 get_media_type_string(type), str); 1821 rval |= IFM_OPTIONS(option); 1822 } 1823 1824 free(optlist); 1825 return (rval); 1826 } 1827 1828 int 1829 lookup_media_word(desc, type, val) 1830 struct ifmedia_description *desc; 1831 int type; 1832 const char *val; 1833 { 1834 1835 for (; desc->ifmt_string != NULL; desc++) { 1836 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1837 strcasecmp(desc->ifmt_string, val) == 0) 1838 return (desc->ifmt_word); 1839 } 1840 return (-1); 1841 } 1842 1843 void 1844 print_media_word(ifmw, print_type, as_syntax) 1845 int ifmw, print_type, as_syntax; 1846 { 1847 struct ifmedia_description *desc; 1848 int seen_option = 0; 1849 1850 if (print_type) 1851 printf("%s ", get_media_type_string(ifmw)); 1852 printf("%s%s", as_syntax ? "media " : "", 1853 get_media_subtype_string(ifmw)); 1854 1855 /* Find options. */ 1856 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1857 desc++) { 1858 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1859 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1860 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1861 if (seen_option == 0) 1862 printf(" %s", as_syntax ? "mediaopt " : ""); 1863 printf("%s%s", seen_option ? "," : "", 1864 desc->ifmt_string); 1865 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1866 } 1867 } 1868 if (IFM_INST(ifmw) != 0) 1869 printf(" instance %d", IFM_INST(ifmw)); 1870 } 1871 1872 int carrier() 1873 { 1874 struct ifmediareq ifmr; 1875 1876 (void) memset(&ifmr, 0, sizeof(ifmr)); 1877 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1878 1879 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1880 /* 1881 * Interface doesn't support SIOC{G,S}IFMEDIA; 1882 * assume ok. 1883 */ 1884 return 0; 1885 } 1886 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1887 /* 1888 * Interface doesn't report media-valid status. 1889 * assume ok. 1890 */ 1891 return 0; 1892 } 1893 /* otherwise, return ok for active, not-ok if not active. */ 1894 return !(ifmr.ifm_status & IFM_ACTIVE); 1895 } 1896 1897 1898 #define IFFBITS \ 1899 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1900 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1901 1902 #define IFCAPBITS \ 1903 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1904 1905 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1906 1907 const struct ifmedia_status_description ifm_status_descriptions[] = 1908 IFM_STATUS_DESCRIPTIONS; 1909 1910 /* 1911 * Print the status of the interface. If an address family was 1912 * specified, show it and it only; otherwise, show them all. 1913 */ 1914 void 1915 status(sdl) 1916 const struct sockaddr_dl *sdl; 1917 { 1918 struct afswtch *p = afp; 1919 struct ifmediareq ifmr; 1920 struct ifdatareq ifdr; 1921 int *media_list, i; 1922 char hbuf[NI_MAXHOST]; 1923 1924 printf("%s: ", name); 1925 printb("flags", flags, IFFBITS); 1926 if (metric) 1927 printf(" metric %lu", metric); 1928 if (mtu) 1929 printf(" mtu %lu", mtu); 1930 putchar('\n'); 1931 1932 if (g_ifcr.ifcr_capabilities) { 1933 putchar('\t'); 1934 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1935 putchar('\n'); 1936 1937 putchar('\t'); 1938 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1939 putchar('\n'); 1940 } 1941 1942 ieee80211_status(); 1943 vlan_status(); 1944 tunnel_status(); 1945 1946 if (sdl != NULL && 1947 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1948 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1949 hbuf[0] != '\0') 1950 printf("\taddress: %s\n", hbuf); 1951 1952 (void) memset(&ifmr, 0, sizeof(ifmr)); 1953 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1954 1955 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1956 /* 1957 * Interface doesn't support SIOC{G,S}IFMEDIA. 1958 */ 1959 goto iface_stats; 1960 } 1961 1962 if (ifmr.ifm_count == 0) { 1963 warnx("%s: no media types?", name); 1964 goto iface_stats; 1965 } 1966 1967 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1968 if (media_list == NULL) 1969 err(EXIT_FAILURE, "malloc"); 1970 ifmr.ifm_ulist = media_list; 1971 1972 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 1973 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1974 1975 printf("\tmedia: "); 1976 print_media_word(ifmr.ifm_current, 1, 0); 1977 if (ifmr.ifm_active != ifmr.ifm_current) { 1978 putchar(' '); 1979 putchar('('); 1980 print_media_word(ifmr.ifm_active, 0, 0); 1981 putchar(')'); 1982 } 1983 putchar('\n'); 1984 1985 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1986 const struct ifmedia_status_description *ifms; 1987 int bitno, found = 0; 1988 1989 printf("\tstatus: "); 1990 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1991 for (ifms = ifm_status_descriptions; 1992 ifms->ifms_valid != 0; ifms++) { 1993 if (ifms->ifms_type != 1994 IFM_TYPE(ifmr.ifm_current) || 1995 ifms->ifms_valid != 1996 ifm_status_valid_list[bitno]) 1997 continue; 1998 printf("%s%s", found ? ", " : "", 1999 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2000 found = 1; 2001 2002 /* 2003 * For each valid indicator bit, there's 2004 * only one entry for each media type, so 2005 * terminate the inner loop now. 2006 */ 2007 break; 2008 } 2009 } 2010 2011 if (found == 0) 2012 printf("unknown"); 2013 putchar('\n'); 2014 } 2015 2016 if (mflag) { 2017 int type, printed_type; 2018 2019 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2020 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2021 if (IFM_TYPE(media_list[i]) == type) { 2022 if (printed_type == 0) { 2023 printf("\tsupported %s media:\n", 2024 get_media_type_string(type)); 2025 printed_type = 1; 2026 } 2027 printf("\t\t"); 2028 print_media_word(media_list[i], 0, 1); 2029 printf("\n"); 2030 } 2031 } 2032 } 2033 } 2034 2035 free(media_list); 2036 2037 iface_stats: 2038 if (!vflag) 2039 goto proto_status; 2040 2041 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2042 2043 if (ioctl(s, SIOCGIFDATA, (caddr_t)&ifdr) != -1) { 2044 struct if_data * const ifi = &ifdr.ifdr_data; 2045 #define PLURAL(n) ((n) == 1 ? "" : "s") 2046 printf("\tinput: %llu packet%s, %llu byte%s", 2047 (unsigned long long) ifi->ifi_ipackets, 2048 PLURAL(ifi->ifi_ipackets), 2049 (unsigned long long) ifi->ifi_ibytes, 2050 PLURAL(ifi->ifi_ibytes)); 2051 if (ifi->ifi_imcasts) 2052 printf(", %llu multicast%s", 2053 (unsigned long long) ifi->ifi_imcasts, 2054 PLURAL(ifi->ifi_imcasts)); 2055 if (ifi->ifi_ierrors) 2056 printf(", %llu error%s", 2057 (unsigned long long) ifi->ifi_ierrors, 2058 PLURAL(ifi->ifi_ierrors)); 2059 if (ifi->ifi_iqdrops) 2060 printf(", %llu queue drop%s", 2061 (unsigned long long) ifi->ifi_iqdrops, 2062 PLURAL(ifi->ifi_iqdrops)); 2063 if (ifi->ifi_noproto) 2064 printf(", %llu unknown protocol", 2065 (unsigned long long) ifi->ifi_noproto); 2066 printf("\n\toutput: %llu packet%s, %llu byte%s", 2067 (unsigned long long) ifi->ifi_opackets, 2068 PLURAL(ifi->ifi_opackets), 2069 (unsigned long long) ifi->ifi_obytes, 2070 PLURAL(ifi->ifi_obytes)); 2071 if (ifi->ifi_omcasts) 2072 printf(", %llu multicast%s", 2073 (unsigned long long) ifi->ifi_omcasts, 2074 PLURAL(ifi->ifi_omcasts)); 2075 if (ifi->ifi_oerrors) 2076 printf(", %llu error%s", 2077 (unsigned long long) ifi->ifi_oerrors, 2078 PLURAL(ifi->ifi_oerrors)); 2079 if (ifi->ifi_collisions) 2080 printf(", %llu collision%s", 2081 (unsigned long long) ifi->ifi_collisions, 2082 PLURAL(ifi->ifi_collisions)); 2083 printf("\n"); 2084 #undef PLURAL 2085 } 2086 2087 proto_status: 2088 if ((p = afp) != NULL) { 2089 (*p->af_status)(1); 2090 } else for (p = afs; p->af_name; p++) { 2091 ifr.ifr_addr.sa_family = p->af_af; 2092 (*p->af_status)(0); 2093 } 2094 } 2095 2096 void 2097 tunnel_status() 2098 { 2099 char psrcaddr[NI_MAXHOST]; 2100 char pdstaddr[NI_MAXHOST]; 2101 const char *ver = ""; 2102 #ifdef NI_WITHSCOPEID 2103 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2104 #else 2105 const int niflag = NI_NUMERICHOST; 2106 #endif 2107 struct if_laddrreq req; 2108 2109 psrcaddr[0] = pdstaddr[0] = '\0'; 2110 2111 memset(&req, 0, sizeof(req)); 2112 strncpy(req.iflr_name, name, IFNAMSIZ); 2113 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2114 return; 2115 #ifdef INET6 2116 if (req.addr.ss_family == AF_INET6) 2117 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2118 #endif 2119 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2120 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2121 #ifdef INET6 2122 if (req.addr.ss_family == AF_INET6) 2123 ver = "6"; 2124 #endif 2125 2126 #ifdef INET6 2127 if (req.dstaddr.ss_family == AF_INET6) 2128 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2129 #endif 2130 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2131 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2132 2133 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2134 } 2135 2136 void 2137 vlan_status() 2138 { 2139 struct vlanreq vlr; 2140 2141 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2142 !isdigit(ifr.ifr_name[4])) 2143 return; 2144 2145 memset(&vlr, 0, sizeof(vlr)); 2146 ifr.ifr_data = (caddr_t)&vlr; 2147 2148 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2149 return; 2150 2151 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2152 printf("\tvlan: %d parent: %s\n", 2153 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2154 "<none>" : vlr.vlr_parent); 2155 } 2156 2157 void 2158 in_alias(creq) 2159 struct ifreq *creq; 2160 { 2161 struct sockaddr_in *iasin; 2162 int alias; 2163 2164 if (lflag) 2165 return; 2166 2167 alias = 1; 2168 2169 /* Get the non-alias address for this interface. */ 2170 getsock(AF_INET); 2171 if (s < 0) { 2172 if (errno == EPROTONOSUPPORT) 2173 return; 2174 err(EXIT_FAILURE, "socket"); 2175 } 2176 (void) memset(&ifr, 0, sizeof(ifr)); 2177 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2178 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2179 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2180 return; 2181 } else 2182 warn("SIOCGIFADDR"); 2183 } 2184 /* If creq and ifr are the same address, this is not an alias. */ 2185 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2186 sizeof(creq->ifr_addr)) == 0) 2187 alias = 0; 2188 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2189 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2190 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2191 sizeof(in_addreq.ifra_addr)); 2192 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2193 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2194 return; 2195 } else 2196 warn("SIOCGIFALIAS"); 2197 } 2198 2199 iasin = &in_addreq.ifra_addr; 2200 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2201 2202 if (flags & IFF_POINTOPOINT) { 2203 iasin = &in_addreq.ifra_dstaddr; 2204 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2205 } 2206 2207 iasin = &in_addreq.ifra_mask; 2208 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2209 2210 if (flags & IFF_BROADCAST) { 2211 iasin = &in_addreq.ifra_broadaddr; 2212 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2213 } 2214 printf("\n"); 2215 } 2216 2217 void 2218 in_status(force) 2219 int force; 2220 { 2221 struct ifaddrs *ifap, *ifa; 2222 struct ifreq isifr; 2223 2224 if (getifaddrs(&ifap) != 0) 2225 err(EXIT_FAILURE, "getifaddrs"); 2226 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2227 if (strcmp(name, ifa->ifa_name) != 0) 2228 continue; 2229 if (ifa->ifa_addr->sa_family != AF_INET) 2230 continue; 2231 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2232 continue; 2233 2234 memset(&isifr, 0, sizeof(isifr)); 2235 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2236 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2237 in_alias(&isifr); 2238 } 2239 freeifaddrs(ifap); 2240 } 2241 2242 void 2243 setifprefixlen(addr, d) 2244 const char *addr; 2245 int d; 2246 { 2247 if (*afp->af_getprefix) 2248 (*afp->af_getprefix)(addr, MASK); 2249 explicit_prefix = 1; 2250 } 2251 2252 #ifdef INET6 2253 void 2254 in6_fillscopeid(sin6) 2255 struct sockaddr_in6 *sin6; 2256 { 2257 #if defined(__KAME__) && defined(KAME_SCOPEID) 2258 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2259 sin6->sin6_scope_id = 2260 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2261 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2262 } 2263 #endif 2264 } 2265 2266 /* XXX not really an alias */ 2267 void 2268 in6_alias(creq) 2269 struct in6_ifreq *creq; 2270 { 2271 struct sockaddr_in6 *sin6; 2272 char hbuf[NI_MAXHOST]; 2273 u_int32_t scopeid; 2274 #ifdef NI_WITHSCOPEID 2275 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2276 #else 2277 const int niflag = NI_NUMERICHOST; 2278 #endif 2279 2280 /* Get the non-alias address for this interface. */ 2281 getsock(AF_INET6); 2282 if (s < 0) { 2283 if (errno == EPROTONOSUPPORT) 2284 return; 2285 err(EXIT_FAILURE, "socket"); 2286 } 2287 2288 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2289 2290 in6_fillscopeid(sin6); 2291 scopeid = sin6->sin6_scope_id; 2292 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2293 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2294 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2295 printf("\tinet6 %s", hbuf); 2296 2297 if (flags & IFF_POINTOPOINT) { 2298 (void) memset(&ifr6, 0, sizeof(ifr6)); 2299 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2300 ifr6.ifr_addr = creq->ifr_addr; 2301 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2302 if (errno != EADDRNOTAVAIL) 2303 warn("SIOCGIFDSTADDR_IN6"); 2304 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2305 ifr6.ifr_addr.sin6_family = AF_INET6; 2306 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2307 } 2308 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2309 in6_fillscopeid(sin6); 2310 hbuf[0] = '\0'; 2311 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2312 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2313 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2314 printf(" -> %s", hbuf); 2315 } 2316 2317 (void) memset(&ifr6, 0, sizeof(ifr6)); 2318 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2319 ifr6.ifr_addr = creq->ifr_addr; 2320 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2321 if (errno != EADDRNOTAVAIL) 2322 warn("SIOCGIFNETMASK_IN6"); 2323 } else { 2324 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2325 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2326 sizeof(struct in6_addr))); 2327 } 2328 2329 (void) memset(&ifr6, 0, sizeof(ifr6)); 2330 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2331 ifr6.ifr_addr = creq->ifr_addr; 2332 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2333 if (errno != EADDRNOTAVAIL) 2334 warn("SIOCGIFAFLAG_IN6"); 2335 } else { 2336 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2337 printf(" anycast"); 2338 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2339 printf(" tentative"); 2340 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2341 printf(" duplicated"); 2342 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2343 printf(" detached"); 2344 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2345 printf(" deprecated"); 2346 } 2347 2348 if (scopeid) 2349 printf(" scopeid 0x%x", scopeid); 2350 2351 if (Lflag) { 2352 struct in6_addrlifetime *lifetime; 2353 (void) memset(&ifr6, 0, sizeof(ifr6)); 2354 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2355 ifr6.ifr_addr = creq->ifr_addr; 2356 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2357 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2358 if (errno != EADDRNOTAVAIL) 2359 warn("SIOCGIFALIFETIME_IN6"); 2360 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2361 time_t t = time(NULL); 2362 printf(" pltime "); 2363 if (lifetime->ia6t_preferred) { 2364 printf("%s", lifetime->ia6t_preferred < t 2365 ? "0" 2366 : sec2str(lifetime->ia6t_preferred - t)); 2367 } else 2368 printf("infty"); 2369 2370 printf(" vltime "); 2371 if (lifetime->ia6t_expire) { 2372 printf("%s", lifetime->ia6t_expire < t 2373 ? "0" 2374 : sec2str(lifetime->ia6t_expire - t)); 2375 } else 2376 printf("infty"); 2377 } 2378 } 2379 2380 printf("\n"); 2381 } 2382 2383 void 2384 in6_status(force) 2385 int force; 2386 { 2387 struct ifaddrs *ifap, *ifa; 2388 struct in6_ifreq isifr; 2389 2390 if (getifaddrs(&ifap) != 0) 2391 err(EXIT_FAILURE, "getifaddrs"); 2392 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2393 if (strcmp(name, ifa->ifa_name) != 0) 2394 continue; 2395 if (ifa->ifa_addr->sa_family != AF_INET6) 2396 continue; 2397 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2398 continue; 2399 2400 memset(&isifr, 0, sizeof(isifr)); 2401 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2402 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2403 in6_alias(&isifr); 2404 } 2405 freeifaddrs(ifap); 2406 } 2407 #endif /*INET6*/ 2408 2409 #ifndef INET_ONLY 2410 2411 void 2412 at_status(force) 2413 int force; 2414 { 2415 struct sockaddr_at *sat, null_sat; 2416 struct netrange *nr; 2417 2418 getsock(AF_APPLETALK); 2419 if (s < 0) { 2420 if (errno == EPROTONOSUPPORT) 2421 return; 2422 err(EXIT_FAILURE, "socket"); 2423 } 2424 (void) memset(&ifr, 0, sizeof(ifr)); 2425 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2426 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2427 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2428 if (!force) 2429 return; 2430 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2431 } else 2432 warn("SIOCGIFADDR"); 2433 } 2434 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2435 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2436 2437 (void) memset(&null_sat, 0, sizeof(null_sat)); 2438 2439 nr = (struct netrange *) &sat->sat_zero; 2440 printf("\tatalk %d.%d range %d-%d phase %d", 2441 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2442 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2443 if (flags & IFF_POINTOPOINT) { 2444 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2445 if (errno == EADDRNOTAVAIL) 2446 (void) memset(&ifr.ifr_addr, 0, 2447 sizeof(ifr.ifr_addr)); 2448 else 2449 warn("SIOCGIFDSTADDR"); 2450 } 2451 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2452 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2453 if (!sat) 2454 sat = &null_sat; 2455 printf("--> %d.%d", 2456 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2457 } 2458 if (flags & IFF_BROADCAST) { 2459 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2460 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2461 if (sat) 2462 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2463 sat->sat_addr.s_node); 2464 } 2465 putchar('\n'); 2466 } 2467 2468 void 2469 xns_status(force) 2470 int force; 2471 { 2472 struct sockaddr_ns *sns; 2473 2474 getsock(AF_NS); 2475 if (s < 0) { 2476 if (errno == EPROTONOSUPPORT) 2477 return; 2478 err(EXIT_FAILURE, "socket"); 2479 } 2480 (void) memset(&ifr, 0, sizeof(ifr)); 2481 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2482 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2483 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2484 if (!force) 2485 return; 2486 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2487 } else 2488 warn("SIOCGIFADDR"); 2489 } 2490 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2491 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2492 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2493 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2494 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2495 if (errno == EADDRNOTAVAIL) 2496 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2497 else 2498 warn("SIOCGIFDSTADDR"); 2499 } 2500 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2501 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2502 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2503 } 2504 putchar('\n'); 2505 } 2506 2507 void 2508 iso_status(force) 2509 int force; 2510 { 2511 struct sockaddr_iso *siso; 2512 struct iso_ifreq isoifr; 2513 2514 getsock(AF_ISO); 2515 if (s < 0) { 2516 if (errno == EPROTONOSUPPORT) 2517 return; 2518 err(EXIT_FAILURE, "socket"); 2519 } 2520 (void) memset(&isoifr, 0, sizeof(isoifr)); 2521 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2522 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2523 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2524 if (!force) 2525 return; 2526 (void) memset(&isoifr.ifr_Addr, 0, 2527 sizeof(isoifr.ifr_Addr)); 2528 } else 2529 warn("SIOCGIFADDR_ISO"); 2530 } 2531 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2532 siso = &isoifr.ifr_Addr; 2533 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2534 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2535 if (errno == EADDRNOTAVAIL) 2536 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2537 else 2538 warn("SIOCGIFNETMASK_ISO"); 2539 } else { 2540 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2541 siso->siso_addr.isoa_len = siso->siso_len 2542 - offsetof(struct sockaddr_iso, siso_addr); 2543 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2544 } 2545 if (flags & IFF_POINTOPOINT) { 2546 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2547 if (errno == EADDRNOTAVAIL) 2548 memset(&isoifr.ifr_Addr, 0, 2549 sizeof(isoifr.ifr_Addr)); 2550 else 2551 warn("SIOCGIFDSTADDR_ISO"); 2552 } 2553 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2554 siso = &isoifr.ifr_Addr; 2555 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2556 } 2557 putchar('\n'); 2558 } 2559 2560 #endif /* INET_ONLY */ 2561 2562 #define SIN(x) ((struct sockaddr_in *) &(x)) 2563 struct sockaddr_in *sintab[] = { 2564 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2565 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2566 2567 void 2568 in_getaddr(str, which) 2569 const char *str; 2570 int which; 2571 { 2572 struct sockaddr_in *gasin = sintab[which]; 2573 struct hostent *hp; 2574 struct netent *np; 2575 2576 gasin->sin_len = sizeof(*gasin); 2577 if (which != MASK) 2578 gasin->sin_family = AF_INET; 2579 2580 if (which == ADDR) { 2581 char *p = NULL; 2582 if ((p = strrchr(str, '/')) != NULL) { 2583 *p = '\0'; 2584 in_getprefix(p + 1, MASK); 2585 } 2586 } 2587 2588 if (inet_aton(str, &gasin->sin_addr) == 0) { 2589 if ((hp = gethostbyname(str)) != NULL) 2590 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2591 else if ((np = getnetbyname(str)) != NULL) 2592 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2593 else 2594 errx(EXIT_FAILURE, "%s: bad value", str); 2595 } 2596 } 2597 2598 void 2599 in_getprefix(plen, which) 2600 const char *plen; 2601 int which; 2602 { 2603 register struct sockaddr_in *igsin = sintab[which]; 2604 register u_char *cp; 2605 int len = strtol(plen, (char **)NULL, 10); 2606 2607 if ((len < 0) || (len > 32)) 2608 errx(EXIT_FAILURE, "%s: bad value", plen); 2609 igsin->sin_len = sizeof(*igsin); 2610 if (which != MASK) 2611 igsin->sin_family = AF_INET; 2612 if ((len == 0) || (len == 32)) { 2613 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2614 return; 2615 } 2616 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2617 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2618 *cp++ = 0xff; 2619 if (len) 2620 *cp = 0xff << (8 - len); 2621 } 2622 2623 /* 2624 * Print a value a la the %b format of the kernel's printf 2625 */ 2626 void 2627 printb(str, v, bits) 2628 const char *str; 2629 unsigned short v; 2630 const char *bits; 2631 { 2632 int i, any = 0; 2633 char c; 2634 2635 if (bits && *bits == 8) 2636 printf("%s=%o", str, v); 2637 else 2638 printf("%s=%x", str, v); 2639 bits++; 2640 if (bits) { 2641 putchar('<'); 2642 while ((i = *bits++) != 0) { 2643 if (v & (1 << (i-1))) { 2644 if (any) 2645 putchar(','); 2646 any = 1; 2647 for (; (c = *bits) > 32; bits++) 2648 putchar(c); 2649 } else 2650 for (; *bits > 32; bits++) 2651 ; 2652 } 2653 putchar('>'); 2654 } 2655 } 2656 2657 #ifdef INET6 2658 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2659 struct sockaddr_in6 *sin6tab[] = { 2660 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2661 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2662 2663 void 2664 in6_getaddr(str, which) 2665 const char *str; 2666 int which; 2667 { 2668 #if defined(__KAME__) && defined(KAME_SCOPEID) 2669 struct sockaddr_in6 *sin6 = sin6tab[which]; 2670 struct addrinfo hints, *res; 2671 int error; 2672 2673 memset(&hints, 0, sizeof(hints)); 2674 hints.ai_family = AF_INET6; 2675 hints.ai_socktype = SOCK_DGRAM; 2676 #if 0 /* in_getaddr() allows FQDN */ 2677 hints.ai_flags = AI_NUMERICHOST; 2678 #endif 2679 error = getaddrinfo(str, "0", &hints, &res); 2680 if (error) 2681 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2682 if (res->ai_next) 2683 errx(EXIT_FAILURE, "%s: resolved to multiple hosts", str); 2684 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2685 errx(EXIT_FAILURE, "%s: bad value", str); 2686 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2687 freeaddrinfo(res); 2688 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2689 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2690 htons(sin6->sin6_scope_id); 2691 sin6->sin6_scope_id = 0; 2692 } 2693 #else 2694 struct sockaddr_in6 *gasin = sin6tab[which]; 2695 2696 gasin->sin6_len = sizeof(*gasin); 2697 if (which != MASK) 2698 gasin->sin6_family = AF_INET6; 2699 2700 if (which == ADDR) { 2701 char *p = NULL; 2702 if((p = strrchr(str, '/')) != NULL) { 2703 *p = '\0'; 2704 in6_getprefix(p + 1, MASK); 2705 explicit_prefix = 1; 2706 } 2707 } 2708 2709 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2710 errx(EXIT_FAILURE, "%s: bad value", str); 2711 #endif 2712 } 2713 2714 void 2715 in6_getprefix(plen, which) 2716 const char *plen; 2717 int which; 2718 { 2719 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2720 register u_char *cp; 2721 int len = strtol(plen, (char **)NULL, 10); 2722 2723 if ((len < 0) || (len > 128)) 2724 errx(EXIT_FAILURE, "%s: bad value", plen); 2725 gpsin->sin6_len = sizeof(*gpsin); 2726 if (which != MASK) 2727 gpsin->sin6_family = AF_INET6; 2728 if ((len == 0) || (len == 128)) { 2729 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2730 return; 2731 } 2732 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2733 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2734 *cp++ = 0xff; 2735 if (len) 2736 *cp = 0xff << (8 - len); 2737 } 2738 2739 int 2740 prefix(val, size) 2741 void *val; 2742 int size; 2743 { 2744 register u_char *pname = (u_char *)val; 2745 register int byte, bit, plen = 0; 2746 2747 for (byte = 0; byte < size; byte++, plen += 8) 2748 if (pname[byte] != 0xff) 2749 break; 2750 if (byte == size) 2751 return (plen); 2752 for (bit = 7; bit != 0; bit--, plen++) 2753 if (!(pname[byte] & (1 << bit))) 2754 break; 2755 for (; bit != 0; bit--) 2756 if (pname[byte] & (1 << bit)) 2757 return(0); 2758 byte++; 2759 for (; byte < size; byte++) 2760 if (pname[byte]) 2761 return(0); 2762 return (plen); 2763 } 2764 #endif /*INET6*/ 2765 2766 #ifndef INET_ONLY 2767 void 2768 at_getaddr(addr, which) 2769 const char *addr; 2770 int which; 2771 { 2772 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2773 u_int net, node; 2774 2775 sat->sat_family = AF_APPLETALK; 2776 sat->sat_len = sizeof(*sat); 2777 if (which == MASK) 2778 errx(EXIT_FAILURE, "AppleTalk does not use netmasks\n"); 2779 if (sscanf(addr, "%u.%u", &net, &node) != 2 2780 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2781 errx(EXIT_FAILURE, "%s: illegal address", addr); 2782 sat->sat_addr.s_net = htons(net); 2783 sat->sat_addr.s_node = node; 2784 } 2785 2786 void 2787 setatrange(range, d) 2788 const char *range; 2789 int d; 2790 { 2791 u_short first = 123, last = 123; 2792 2793 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2794 || first == 0 /* || first > 0xffff */ 2795 || last == 0 /* || last > 0xffff */ || first > last) 2796 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2797 first, last); 2798 at_nr.nr_firstnet = htons(first); 2799 at_nr.nr_lastnet = htons(last); 2800 } 2801 2802 void 2803 setatphase(phase, d) 2804 const char *phase; 2805 int d; 2806 { 2807 if (!strcmp(phase, "1")) 2808 at_nr.nr_phase = 1; 2809 else if (!strcmp(phase, "2")) 2810 at_nr.nr_phase = 2; 2811 else 2812 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2813 } 2814 2815 void 2816 checkatrange(sat) 2817 struct sockaddr_at *sat; 2818 { 2819 if (at_nr.nr_phase == 0) 2820 at_nr.nr_phase = 2; /* Default phase 2 */ 2821 if (at_nr.nr_firstnet == 0) 2822 at_nr.nr_firstnet = /* Default range of one */ 2823 at_nr.nr_lastnet = sat->sat_addr.s_net; 2824 printf("\tatalk %d.%d range %d-%d phase %d\n", 2825 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2826 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2827 if ((u_short) ntohs(at_nr.nr_firstnet) > 2828 (u_short) ntohs(sat->sat_addr.s_net) 2829 || (u_short) ntohs(at_nr.nr_lastnet) < 2830 (u_short) ntohs(sat->sat_addr.s_net)) 2831 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2832 *((struct netrange *) &sat->sat_zero) = at_nr; 2833 } 2834 2835 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2836 struct sockaddr_ns *snstab[] = { 2837 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2838 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2839 2840 void 2841 xns_getaddr(addr, which) 2842 const char *addr; 2843 int which; 2844 { 2845 struct sockaddr_ns *sns = snstab[which]; 2846 2847 sns->sns_family = AF_NS; 2848 sns->sns_len = sizeof(*sns); 2849 sns->sns_addr = ns_addr(addr); 2850 if (which == MASK) 2851 puts("Attempt to set XNS netmask will be ineffectual"); 2852 } 2853 2854 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2855 struct sockaddr_iso *sisotab[] = { 2856 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2857 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2858 2859 void 2860 iso_getaddr(addr, which) 2861 const char *addr; 2862 int which; 2863 { 2864 struct sockaddr_iso *siso = sisotab[which]; 2865 siso->siso_addr = *iso_addr(addr); 2866 2867 if (which == MASK) { 2868 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2869 siso->siso_nlen = 0; 2870 } else { 2871 siso->siso_len = sizeof(*siso); 2872 siso->siso_family = AF_ISO; 2873 } 2874 } 2875 2876 void 2877 setsnpaoffset(val, d) 2878 const char *val; 2879 int d; 2880 { 2881 iso_addreq.ifra_snpaoffset = atoi(val); 2882 } 2883 2884 void 2885 setnsellength(val, d) 2886 const char *val; 2887 int d; 2888 { 2889 nsellength = atoi(val); 2890 if (nsellength < 0) 2891 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2892 if (afp == 0 || afp->af_af != AF_ISO) 2893 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2894 } 2895 2896 void 2897 fixnsel(siso) 2898 struct sockaddr_iso *siso; 2899 { 2900 if (siso->siso_family == 0) 2901 return; 2902 siso->siso_tlen = nsellength; 2903 } 2904 2905 void 2906 adjust_nsellength() 2907 { 2908 fixnsel(sisotab[RIDADDR]); 2909 fixnsel(sisotab[ADDR]); 2910 fixnsel(sisotab[DSTADDR]); 2911 } 2912 2913 #endif /* INET_ONLY */ 2914 2915 void 2916 usage() 2917 { 2918 const char *progname = getprogname(); 2919 2920 fprintf(stderr, 2921 "usage: %s [ -m ] [ -v ]" 2922 #ifdef INET6 2923 "[ -L ] " 2924 #endif 2925 "interface\n" 2926 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2927 "\t\t[ alias | -alias ] ]\n" 2928 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2929 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2930 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2931 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2932 "\t[ arp | -arp ]\n" 2933 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2934 "[ instance minst ]\n" 2935 "\t[ vlan n vlanif i ]\n" 2936 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2937 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2938 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2939 " %s -a [ -m ] [ -d ] [ -u ] [ -v ] [ af ]\n" 2940 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2941 " %s -C\n" 2942 " %s interface create\n" 2943 " %s interface destroy\n", 2944 progname, progname, progname, progname, progname, progname); 2945 exit(1); 2946 } 2947 2948 #ifdef INET6 2949 char * 2950 sec2str(total) 2951 time_t total; 2952 { 2953 static char result[256]; 2954 int days, hours, mins, secs; 2955 int first = 1; 2956 char *p = result; 2957 char *end = &result[sizeof(result)]; 2958 int n; 2959 2960 if (0) { /*XXX*/ 2961 days = total / 3600 / 24; 2962 hours = (total / 3600) % 24; 2963 mins = (total / 60) % 60; 2964 secs = total % 60; 2965 2966 if (days) { 2967 first = 0; 2968 n = snprintf(p, end - p, "%dd", days); 2969 if (n < 0 || n >= end - p) 2970 return(result); 2971 p += n; 2972 } 2973 if (!first || hours) { 2974 first = 0; 2975 n = snprintf(p, end - p, "%dh", hours); 2976 if (n < 0 || n >= end - p) 2977 return(result); 2978 p += n; 2979 } 2980 if (!first || mins) { 2981 first = 0; 2982 n = snprintf(p, end - p, "%dm", mins); 2983 if (n < 0 || n >= end - p) 2984 return(result); 2985 p += n; 2986 } 2987 snprintf(p, end - p, "%ds", secs); 2988 } else 2989 snprintf(p, end - p, "%lu", (u_long)total); 2990 2991 return(result); 2992 } 2993 #endif 2994
Indexes created Fri Sep 26 20:09:58 GMT 2025