ifconfig.c revision 1.112
1 /* $NetBSD: ifconfig.c,v 1.112 2001/08/08 21:22:35 david 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 1.112 2001/08/08 21:22:35 david 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 #ifdef INET6 129 struct in6_ifreq ifr6; 130 struct in6_ifreq in6_ridreq; 131 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 132 #endif 133 struct iso_ifreq iso_ridreq; 134 struct iso_aliasreq iso_addreq; 135 struct sockaddr_in netmask; 136 struct netrange at_nr; /* AppleTalk net range */ 137 138 char name[30]; 139 int flags, metric, mtu, setaddr, setipdst, doalias; 140 int clearaddr, s; 141 int newaddr = -1; 142 int conflicting = 0; 143 int nsellength = 1; 144 int af; 145 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 146 #ifdef INET6 147 int Lflag; 148 #endif 149 int reset_if_flags; 150 int explicit_prefix = 0; 151 u_int vlan_tag = (u_int)-1; 152 153 struct ifcapreq g_ifcr; 154 int g_ifcr_updated; 155 156 void notealias __P((const char *, int)); 157 void notrailers __P((const char *, int)); 158 void setifaddr __P((const char *, int)); 159 void setifdstaddr __P((const char *, int)); 160 void setifflags __P((const char *, int)); 161 void setifcaps __P((const char *, int)); 162 void setifbroadaddr __P((const char *, int)); 163 void setifipdst __P((const char *, int)); 164 void setifmetric __P((const char *, int)); 165 void setifmtu __P((const char *, int)); 166 void setifnwid __P((const char *, int)); 167 void setifnwkey __P((const char *, int)); 168 void setifpowersave __P((const char *, int)); 169 void setifpowersavesleep __P((const char *, int)); 170 void setifnetmask __P((const char *, int)); 171 void setifprefixlen __P((const char *, int)); 172 void setnsellength __P((const char *, int)); 173 void setsnpaoffset __P((const char *, int)); 174 void setatrange __P((const char *, int)); 175 void setatphase __P((const char *, int)); 176 void settunnel __P((const char *, const char *)); 177 void deletetunnel __P((const char *, int)); 178 #ifdef INET6 179 void setia6flags __P((const char *, int)); 180 void setia6pltime __P((const char *, int)); 181 void setia6vltime __P((const char *, int)); 182 void setia6lifetime __P((const char *, const char *)); 183 #endif 184 void checkatrange __P ((struct sockaddr_at *)); 185 void setmedia __P((const char *, int)); 186 void setmediaopt __P((const char *, int)); 187 void unsetmediaopt __P((const char *, int)); 188 void setmediainst __P((const char *, int)); 189 void clone_create __P((const char *, int)); 190 void clone_destroy __P((const char *, int)); 191 void fixnsel __P((struct sockaddr_iso *)); 192 void setvlan __P((const char *, int)); 193 void setvlanif __P((const char *, int)); 194 void unsetvlanif __P((const char *, int)); 195 int main __P((int, char *[])); 196 197 /* 198 * Media stuff. Whenever a media command is first performed, the 199 * currently select media is grabbed for this interface. If `media' 200 * is given, the current media word is modifed. `mediaopt' commands 201 * only modify the set and clear words. They then operate on the 202 * current media word later. 203 */ 204 int media_current; 205 int mediaopt_set; 206 int mediaopt_clear; 207 208 int actions; /* Actions performed */ 209 210 #define A_MEDIA 0x0001 /* media command */ 211 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 212 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 213 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 214 #define A_MEDIAINST 0x0008 /* instance or inst command */ 215 216 #define NEXTARG 0xffffff 217 #define NEXTARG2 0xfffffe 218 219 const struct cmd { 220 const char *c_name; 221 int c_parameter; /* NEXTARG means next argv */ 222 int c_action; /* defered action */ 223 void (*c_func) __P((const char *, int)); 224 void (*c_func2) __P((const char *, const char *)); 225 } cmds[] = { 226 { "up", IFF_UP, 0, setifflags } , 227 { "down", -IFF_UP, 0, setifflags }, 228 { "trailers", -1, 0, notrailers }, 229 { "-trailers", 1, 0, notrailers }, 230 { "arp", -IFF_NOARP, 0, setifflags }, 231 { "-arp", IFF_NOARP, 0, setifflags }, 232 { "debug", IFF_DEBUG, 0, setifflags }, 233 { "-debug", -IFF_DEBUG, 0, setifflags }, 234 { "alias", IFF_UP, 0, notealias }, 235 { "-alias", -IFF_UP, 0, notealias }, 236 { "delete", -IFF_UP, 0, notealias }, 237 #ifdef notdef 238 #define EN_SWABIPS 0x1000 239 { "swabips", EN_SWABIPS, 0, setifflags }, 240 { "-swabips", -EN_SWABIPS, 0, setifflags }, 241 #endif 242 { "netmask", NEXTARG, 0, setifnetmask }, 243 { "metric", NEXTARG, 0, setifmetric }, 244 { "mtu", NEXTARG, 0, setifmtu }, 245 { "nwid", NEXTARG, 0, setifnwid }, 246 { "nwkey", NEXTARG, 0, setifnwkey }, 247 { "-nwkey", -1, 0, setifnwkey }, 248 { "powersave", 1, 0, setifpowersave }, 249 { "-powersave", 0, 0, setifpowersave }, 250 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 251 { "broadcast", NEXTARG, 0, setifbroadaddr }, 252 { "ipdst", NEXTARG, 0, setifipdst }, 253 { "prefixlen", NEXTARG, 0, setifprefixlen}, 254 #ifdef INET6 255 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 256 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 257 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 258 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 259 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 260 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 261 { "pltime", NEXTARG, 0, setia6pltime }, 262 { "vltime", NEXTARG, 0, setia6vltime }, 263 #endif /*INET6*/ 264 #ifndef INET_ONLY 265 { "range", NEXTARG, 0, setatrange }, 266 { "phase", NEXTARG, 0, setatphase }, 267 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 268 { "nsellength", NEXTARG, 0, setnsellength }, 269 #endif /* INET_ONLY */ 270 { "tunnel", NEXTARG2, 0, NULL, 271 settunnel } , 272 { "deletetunnel", 0, 0, deletetunnel }, 273 { "vlan", NEXTARG, 0, setvlan } , 274 { "vlanif", NEXTARG, 0, setvlanif } , 275 { "-vlanif", 0, 0, unsetvlanif } , 276 { "deletetunnel", 0, 0, deletetunnel }, 277 #if 0 278 /* XXX `create' special-cased below */ 279 { "create", 0, 0, clone_create } , 280 #endif 281 { "destroy", 0, 0, clone_destroy } , 282 { "link0", IFF_LINK0, 0, setifflags } , 283 { "-link0", -IFF_LINK0, 0, setifflags } , 284 { "link1", IFF_LINK1, 0, setifflags } , 285 { "-link1", -IFF_LINK1, 0, setifflags } , 286 { "link2", IFF_LINK2, 0, setifflags } , 287 { "-link2", -IFF_LINK2, 0, setifflags } , 288 { "media", NEXTARG, A_MEDIA, setmedia }, 289 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 290 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 291 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 292 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 293 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 294 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 295 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 296 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 297 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 298 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 299 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 300 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 301 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 302 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 303 { 0, 0, 0, setifaddr }, 304 { 0, 0, 0, setifdstaddr }, 305 }; 306 307 void adjust_nsellength __P((void)); 308 int getinfo __P((struct ifreq *)); 309 int carrier __P((void)); 310 void getsock __P((int)); 311 void printall __P((const char *)); 312 void list_cloners __P((void)); 313 void printb __P((const char *, unsigned short, const char *)); 314 int prefix __P((void *, int)); 315 void status __P((const u_int8_t *, int)); 316 void usage __P((void)); 317 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 318 void print_string __P((const u_int8_t *, int)); 319 char *sec2str __P((time_t)); 320 321 const char *get_media_type_string __P((int)); 322 const char *get_media_subtype_string __P((int)); 323 int get_media_subtype __P((int, const char *)); 324 int get_media_options __P((int, const char *)); 325 int lookup_media_word __P((struct ifmedia_description *, int, 326 const char *)); 327 void print_media_word __P((int, int, int)); 328 void process_media_commands __P((void)); 329 void init_current_media __P((void)); 330 331 /* 332 * XNS support liberally adapted from code written at the University of 333 * Maryland principally by James O'Toole and Chris Torek. 334 */ 335 void in_alias __P((struct ifreq *)); 336 void in_status __P((int)); 337 void in_getaddr __P((const char *, int)); 338 void in_getprefix __P((const char *, int)); 339 #ifdef INET6 340 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 341 void in6_alias __P((struct in6_ifreq *)); 342 void in6_status __P((int)); 343 void in6_getaddr __P((const char *, int)); 344 void in6_getprefix __P((const char *, int)); 345 #endif 346 void at_status __P((int)); 347 void at_getaddr __P((const char *, int)); 348 void xns_status __P((int)); 349 void xns_getaddr __P((const char *, int)); 350 void iso_status __P((int)); 351 void iso_getaddr __P((const char *, int)); 352 353 void ieee80211_status __P((void)); 354 void tunnel_status __P((void)); 355 void vlan_status __P((void)); 356 357 /* Known address families */ 358 struct afswtch { 359 const char *af_name; 360 short af_af; 361 void (*af_status) __P((int)); 362 void (*af_getaddr) __P((const char *, int)); 363 void (*af_getprefix) __P((const char *, int)); 364 u_long af_difaddr; 365 u_long af_aifaddr; 366 u_long af_gifaddr; 367 caddr_t af_ridreq; 368 caddr_t af_addreq; 369 } afs[] = { 370 #define C(x) ((caddr_t) &x) 371 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 372 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 373 #ifdef INET6 374 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 375 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 376 /* 377 * Deleting the first address before setting new one is 378 * not prefered way in this protocol. 379 */ 380 0, 381 C(in6_ridreq), C(in6_addreq) }, 382 #endif 383 #ifndef INET_ONLY /* small version, for boot media */ 384 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 385 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 386 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 387 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 388 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 389 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 390 C(iso_ridreq), C(iso_addreq) }, 391 #endif /* INET_ONLY */ 392 { 0, 0, 0, 0 } 393 }; 394 395 struct afswtch *afp; /*the address family being set or asked about*/ 396 397 struct afswtch *lookup_af __P((const char *)); 398 399 int 400 main(argc, argv) 401 int argc; 402 char *argv[]; 403 { 404 struct ifreq ifreq; 405 int ch; 406 407 /* Parse command-line options */ 408 aflag = mflag = 0; 409 while ((ch = getopt(argc, argv, "AabCdlmsu" 410 #ifdef INET6 411 "L" 412 #endif 413 )) != -1) { 414 switch (ch) { 415 case 'A': 416 warnx("-A is deprecated"); 417 break; 418 419 case 'a': 420 aflag = 1; 421 break; 422 423 case 'b': 424 bflag = 1; 425 break; 426 427 428 case 'C': 429 Cflag = 1; 430 break; 431 432 case 'd': 433 dflag = 1; 434 break; 435 436 #ifdef INET6 437 case 'L': 438 Lflag = 1; 439 break; 440 #endif 441 442 case 'l': 443 lflag = 1; 444 break; 445 446 case 'm': 447 mflag = 1; 448 break; 449 450 case 's': 451 sflag = 1; 452 break; 453 454 case 'u': 455 uflag = 1; 456 break; 457 458 459 default: 460 usage(); 461 /* NOTREACHED */ 462 } 463 } 464 argc -= optind; 465 argv += optind; 466 467 /* 468 * -l means "list all interfaces", and is mutally exclusive with 469 * all other flags/commands. 470 * 471 * -C means "list all names of cloners", and it mutually exclusive 472 * with all other flags/commands. 473 * 474 * -a means "print status of all interfaces". 475 */ 476 if ((lflag || Cflag) && (aflag || mflag || argc)) 477 usage(); 478 #ifdef INET6 479 if ((lflag || Cflag) && Lflag) 480 usage(); 481 #endif 482 if (lflag && Cflag) 483 usage(); 484 if (Cflag) { 485 if (argc) 486 usage(); 487 list_cloners(); 488 exit(0); 489 } 490 if (aflag || lflag) { 491 if (argc > 1) 492 usage(); 493 else if (argc == 1) { 494 afp = lookup_af(argv[0]); 495 if (afp == NULL) 496 usage(); 497 } 498 if (afp) 499 af = ifr.ifr_addr.sa_family = afp->af_af; 500 else 501 af = ifr.ifr_addr.sa_family = afs[0].af_af; 502 printall(NULL); 503 exit(0); 504 } 505 506 /* Make sure there's an interface name. */ 507 if (argc < 1) 508 usage(); 509 (void) strncpy(name, argv[0], sizeof(name)); 510 argc--; argv++; 511 512 /* 513 * NOTE: We must special-case the `create' command right 514 * here as we would otherwise fail in getinfo(). 515 */ 516 if (argc > 0 && strcmp(argv[0], "create") == 0) { 517 clone_create(argv[0], 0); 518 argc--, argv++; 519 if (argc == 0) 520 exit(0); 521 } 522 523 /* Check for address family. */ 524 afp = NULL; 525 if (argc > 0) { 526 afp = lookup_af(argv[0]); 527 if (afp != NULL) { 528 argv++; 529 argc--; 530 } 531 } 532 533 /* Initialize af, just for use in getinfo(). */ 534 if (afp == NULL) 535 af = afs->af_af; 536 else 537 af = afp->af_af; 538 539 /* Get information about the interface. */ 540 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 541 if (getinfo(&ifr) < 0) 542 exit(1); 543 544 if (sflag) { 545 if (argc != 0) 546 usage(); 547 else 548 exit(carrier()); 549 } 550 551 /* No more arguments means interface status. */ 552 if (argc == 0) { 553 printall(name); 554 exit(0); 555 } 556 557 /* The following operations assume inet family as the default. */ 558 if (afp == NULL) 559 afp = afs; 560 af = ifr.ifr_addr.sa_family = afp->af_af; 561 562 #ifdef INET6 563 /* initialization */ 564 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 565 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 566 #endif 567 568 /* Process commands. */ 569 while (argc > 0) { 570 const struct cmd *p; 571 572 for (p = cmds; p->c_name; p++) 573 if (strcmp(argv[0], p->c_name) == 0) 574 break; 575 if (p->c_name == 0 && setaddr) { 576 if ((flags & IFF_POINTOPOINT) == 0) { 577 errx(1, "can't set destination address %s", 578 "on non-point-to-point link"); 579 } 580 p++; /* got src, do dst */ 581 } 582 if (p->c_func != NULL || p->c_func2 != NULL) { 583 if (p->c_parameter == NEXTARG) { 584 if (argc < 2) 585 errx(1, "'%s' requires argument", 586 p->c_name); 587 (*p->c_func)(argv[1], 0); 588 argc--, argv++; 589 } else if (p->c_parameter == NEXTARG2) { 590 if (argc < 3) 591 errx(1, "'%s' requires 2 arguments", 592 p->c_name); 593 (*p->c_func2)(argv[1], argv[2]); 594 argc -= 2, argv += 2; 595 } else 596 (*p->c_func)(argv[0], p->c_parameter); 597 actions |= p->c_action; 598 } 599 argc--, argv++; 600 } 601 602 /* See if multiple alias, -alias, or delete commands were 603 specified. More than one constitutes an invalid command line */ 604 605 if (conflicting > 1) 606 err(1, "Only one use of alias, -alias or delete is valid."); 607 608 /* Process any media commands that may have been issued. */ 609 process_media_commands(); 610 611 if (af == AF_INET6 && explicit_prefix == 0) { 612 /* 613 * Aggregatable address architecture defines all prefixes 614 * are 64. So, it is convenient to set prefixlen to 64 if 615 * it is not specified. 616 */ 617 setifprefixlen("64", 0); 618 /* in6_getprefix("64", MASK) if MASK is available here... */ 619 } 620 621 #ifndef INET_ONLY 622 if (af == AF_ISO) 623 adjust_nsellength(); 624 625 if (af == AF_APPLETALK) 626 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 627 628 if (setipdst && af==AF_NS) { 629 struct nsip_req rq; 630 int size = sizeof(rq); 631 632 rq.rq_ns = addreq.ifra_addr; 633 rq.rq_ip = addreq.ifra_dstaddr; 634 635 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 636 warn("encapsulation routing"); 637 } 638 639 #endif /* INET_ONLY */ 640 641 if (clearaddr) { 642 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 643 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 644 err(1, "SIOCDIFADDR"); 645 } 646 if (newaddr > 0) { 647 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 648 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 649 warn("SIOCAIFADDR"); 650 } 651 652 if (g_ifcr_updated) { 653 (void) strncpy(g_ifcr.ifcr_name, name, 654 sizeof(g_ifcr.ifcr_name)); 655 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) < 0) 656 err(1, "SIOCSIFCAP"); 657 } 658 659 if (reset_if_flags) { 660 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 661 ifreq.ifr_flags = flags; 662 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 663 err(1, "SIOCSIFFLAGS"); 664 } 665 exit(0); 666 } 667 668 struct afswtch * 669 lookup_af(cp) 670 const char *cp; 671 { 672 struct afswtch *a; 673 674 for (a = afs; a->af_name != NULL; a++) 675 if (strcmp(a->af_name, cp) == 0) 676 return (a); 677 return (NULL); 678 } 679 680 void 681 getsock(naf) 682 int naf; 683 { 684 static int oaf = -1; 685 686 if (oaf == naf) 687 return; 688 if (oaf != -1) 689 close(s); 690 s = socket(naf, SOCK_DGRAM, 0); 691 if (s < 0) 692 oaf = -1; 693 else 694 oaf = naf; 695 } 696 697 int 698 getinfo(ifr) 699 struct ifreq *ifr; 700 { 701 702 getsock(af); 703 if (s < 0) 704 err(1, "socket"); 705 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 706 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 707 return (-1); 708 } 709 flags = ifr->ifr_flags; 710 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 711 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 712 metric = 0; 713 } else 714 metric = ifr->ifr_metric; 715 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 716 mtu = 0; 717 else 718 mtu = ifr->ifr_mtu; 719 720 memset(&g_ifcr, 0, sizeof(g_ifcr)); 721 strcpy(g_ifcr.ifcr_name, ifr->ifr_name); 722 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 723 724 return (0); 725 } 726 727 void 728 printall(ifname) 729 const char *ifname; 730 { 731 struct ifaddrs *ifap, *ifa; 732 struct ifreq ifr; 733 const struct sockaddr_dl *sdl = NULL; 734 int idx; 735 char *p; 736 737 if (getifaddrs(&ifap) != 0) 738 err(1, "getifaddrs"); 739 p = NULL; 740 idx = 0; 741 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 742 memset(&ifr, 0, sizeof(ifr)); 743 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 744 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 745 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 746 ifa->ifa_addr->sa_len); 747 } 748 749 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 750 continue; 751 if (ifa->ifa_addr->sa_family == AF_LINK) 752 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 753 if (p && strcmp(p, ifa->ifa_name) == 0) 754 continue; 755 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 756 name[sizeof(name) - 1] = '\0'; 757 p = ifa->ifa_name; 758 759 if (getinfo(&ifr) < 0) 760 continue; 761 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 762 continue; 763 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 764 continue; 765 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 766 continue; 767 768 if (sflag && carrier()) 769 continue; 770 idx++; 771 /* 772 * Are we just listing the interfaces? 773 */ 774 if (lflag) { 775 if (idx > 1) 776 putchar(' '); 777 fputs(name, stdout); 778 continue; 779 } 780 781 if (sdl == NULL) { 782 status(NULL, 0); 783 } else { 784 status(LLADDR(sdl), sdl->sdl_alen); 785 sdl = NULL; 786 } 787 } 788 if (lflag) 789 putchar('\n'); 790 freeifaddrs(ifap); 791 } 792 793 void 794 list_cloners(void) 795 { 796 struct if_clonereq ifcr; 797 char *cp, *buf; 798 int idx; 799 800 memset(&ifcr, 0, sizeof(ifcr)); 801 802 getsock(AF_INET); 803 804 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 805 err(1, "SIOCIFGCLONERS for count"); 806 807 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 808 if (buf == NULL) 809 err(1, "unable to allocate cloner name buffer"); 810 811 ifcr.ifcr_count = ifcr.ifcr_total; 812 ifcr.ifcr_buffer = buf; 813 814 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 815 err(1, "SIOCIFGCLONERS for names"); 816 817 /* 818 * In case some disappeared in the mean time, clamp it down. 819 */ 820 if (ifcr.ifcr_count > ifcr.ifcr_total) 821 ifcr.ifcr_count = ifcr.ifcr_total; 822 823 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 824 if (idx > 0) 825 putchar(' '); 826 printf("%s", cp); 827 } 828 829 putchar('\n'); 830 free(buf); 831 return; 832 } 833 834 /*ARGSUSED*/ 835 void 836 clone_create(addr, param) 837 const char *addr; 838 int param; 839 { 840 841 /* We're called early... */ 842 getsock(AF_INET); 843 844 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 845 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 846 err(1, "SIOCIFCREATE"); 847 } 848 849 /*ARGSUSED*/ 850 void 851 clone_destroy(addr, param) 852 const char *addr; 853 int param; 854 { 855 856 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 857 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 858 err(1, "SIOCIFDESTROY"); 859 } 860 861 #define RIDADDR 0 862 #define ADDR 1 863 #define MASK 2 864 #define DSTADDR 3 865 866 /*ARGSUSED*/ 867 void 868 setifaddr(addr, param) 869 const char *addr; 870 int param; 871 { 872 struct ifreq *ifr; /* XXX */ 873 874 /* 875 * Delay the ioctl to set the interface addr until flags are all set. 876 * The address interpretation may depend on the flags, 877 * and the flags may change when the address is set. 878 */ 879 setaddr++; 880 if (newaddr == -1) 881 newaddr = 1; 882 if (doalias == 0 && afp->af_gifaddr != 0) { 883 ifr = (struct ifreq *)afp->af_ridreq; 884 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 885 ifr->ifr_addr.sa_family = afp->af_af; 886 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 887 clearaddr = 1; 888 else if (errno == EADDRNOTAVAIL) 889 /* No address was assigned yet. */ 890 ; 891 else 892 err(1, "SIOCGIFADDR"); 893 } 894 895 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 896 } 897 898 void 899 settunnel(src, dst) 900 const char *src, *dst; 901 { 902 struct addrinfo hints, *srcres, *dstres; 903 int ecode; 904 struct if_laddrreq req; 905 906 memset(&hints, 0, sizeof(hints)); 907 hints.ai_family = afp->af_af; 908 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 909 910 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 911 errx(1, "error in parsing address string: %s", 912 gai_strerror(ecode)); 913 914 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 915 errx(1, "error in parsing address string: %s", 916 gai_strerror(ecode)); 917 918 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 919 errx(1, 920 "source and destination address families do not match"); 921 922 if (srcres->ai_addrlen > sizeof(req.addr) || 923 dstres->ai_addrlen > sizeof(req.dstaddr)) 924 errx(1, "invalid sockaddr"); 925 926 memset(&req, 0, sizeof(req)); 927 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 928 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 929 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 930 931 #ifdef INET6 932 if (req.addr.ss_family == AF_INET6) { 933 struct sockaddr_in6 *s, *d; 934 935 s = (struct sockaddr_in6 *)&req.addr; 936 d = (struct sockaddr_in6 *)&req.dstaddr; 937 if (s->sin6_scope_id != d->sin6_scope_id) { 938 errx(1, "scope mismatch"); 939 /* NOTREACHED */ 940 } 941 #ifdef __KAME__ 942 /* embed scopeid */ 943 if (s->sin6_scope_id && 944 (IN6_IS_ADDR_LINKLOCAL(&s->sin6_addr) || 945 IN6_IS_ADDR_MC_LINKLOCAL(&s->sin6_addr))) { 946 *(u_int16_t *)&s->sin6_addr.s6_addr[2] = 947 htons(s->sin6_scope_id); 948 } 949 if (d->sin6_scope_id && 950 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 951 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 952 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 953 htons(d->sin6_scope_id); 954 } 955 #endif 956 } 957 #endif 958 959 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 960 warn("SIOCSLIFPHYADDR"); 961 962 freeaddrinfo(srcres); 963 freeaddrinfo(dstres); 964 } 965 966 /* ARGSUSED */ 967 void 968 deletetunnel(vname, param) 969 const char *vname; 970 int param; 971 { 972 973 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 974 err(1, "SIOCDIFPHYADDR"); 975 } 976 977 void setvlan(val, d) 978 const char *val; 979 int d; 980 { 981 struct vlanreq vlr; 982 983 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 984 !isdigit(ifr.ifr_name[4])) 985 errx(EXIT_FAILURE, 986 "``vlan'' valid only with vlan(4) interfaces"); 987 988 vlan_tag = atoi(val); 989 990 memset(&vlr, 0, sizeof(vlr)); 991 ifr.ifr_data = (caddr_t)&vlr; 992 993 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 994 err(EXIT_FAILURE, "SIOCGETVLAN"); 995 996 vlr.vlr_tag = vlan_tag; 997 998 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 999 err(EXIT_FAILURE, "SIOCSETVLAN"); 1000 } 1001 1002 void setvlanif(val, d) 1003 const char *val; 1004 int d; 1005 { 1006 struct vlanreq vlr; 1007 1008 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1009 !isdigit(ifr.ifr_name[4])) 1010 errx(EXIT_FAILURE, 1011 "``vlanif'' valid only with vlan(4) interfaces"); 1012 1013 if (vlan_tag == (u_int)-1) 1014 errx(EXIT_FAILURE, 1015 "must specify both ``vlan'' and ``vlanif''"); 1016 1017 memset(&vlr, 0, sizeof(vlr)); 1018 ifr.ifr_data = (caddr_t)&vlr; 1019 1020 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1021 err(EXIT_FAILURE, "SIOCGETVLAN"); 1022 1023 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1024 vlr.vlr_tag = vlan_tag; 1025 1026 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1027 err(EXIT_FAILURE, "SIOCSETVLAN"); 1028 } 1029 1030 void unsetvlanif(val, d) 1031 const char *val; 1032 int d; 1033 { 1034 struct vlanreq vlr; 1035 1036 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1037 !isdigit(ifr.ifr_name[4])) 1038 errx(EXIT_FAILURE, 1039 "``vlanif'' valid only with vlan(4) interfaces"); 1040 1041 memset(&vlr, 0, sizeof(vlr)); 1042 ifr.ifr_data = (caddr_t)&vlr; 1043 1044 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1045 err(EXIT_FAILURE, "SIOCGETVLAN"); 1046 1047 vlr.vlr_parent[0] = '\0'; 1048 vlr.vlr_tag = 0; 1049 1050 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1051 err(EXIT_FAILURE, "SIOCSETVLAN"); 1052 } 1053 1054 void 1055 setifnetmask(addr, d) 1056 const char *addr; 1057 int d; 1058 { 1059 (*afp->af_getaddr)(addr, MASK); 1060 } 1061 1062 void 1063 setifbroadaddr(addr, d) 1064 const char *addr; 1065 int d; 1066 { 1067 (*afp->af_getaddr)(addr, DSTADDR); 1068 } 1069 1070 void 1071 setifipdst(addr, d) 1072 const char *addr; 1073 int d; 1074 { 1075 in_getaddr(addr, DSTADDR); 1076 setipdst++; 1077 clearaddr = 0; 1078 newaddr = 0; 1079 } 1080 1081 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1082 /*ARGSUSED*/ 1083 void 1084 notealias(addr, param) 1085 const char *addr; 1086 int param; 1087 { 1088 if (setaddr && doalias == 0 && param < 0) 1089 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1090 rqtosa(af_addreq)->sa_len); 1091 doalias = param; 1092 if (param < 0) { 1093 clearaddr = 1; 1094 newaddr = 0; 1095 conflicting++; 1096 } else 1097 clearaddr = 0; 1098 conflicting++; 1099 } 1100 1101 /*ARGSUSED*/ 1102 void 1103 notrailers(vname, value) 1104 const char *vname; 1105 int value; 1106 { 1107 puts("Note: trailers are no longer sent, but always received"); 1108 } 1109 1110 /*ARGSUSED*/ 1111 void 1112 setifdstaddr(addr, param) 1113 const char *addr; 1114 int param; 1115 { 1116 (*afp->af_getaddr)(addr, DSTADDR); 1117 } 1118 1119 void 1120 setifflags(vname, value) 1121 const char *vname; 1122 int value; 1123 { 1124 struct ifreq ifreq; 1125 1126 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1127 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1128 err(1, "SIOCGIFFLAGS"); 1129 flags = ifreq.ifr_flags; 1130 1131 if (value < 0) { 1132 value = -value; 1133 flags &= ~value; 1134 } else 1135 flags |= value; 1136 ifreq.ifr_flags = flags; 1137 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1138 err(1, "SIOCSIFFLAGS"); 1139 1140 reset_if_flags = 1; 1141 } 1142 1143 void 1144 setifcaps(vname, value) 1145 const char *vname; 1146 int value; 1147 { 1148 1149 if (value < 0) { 1150 value = -value; 1151 g_ifcr.ifcr_capenable &= ~value; 1152 } else 1153 g_ifcr.ifcr_capenable |= value; 1154 1155 g_ifcr_updated = 1; 1156 } 1157 1158 #ifdef INET6 1159 void 1160 setia6flags(vname, value) 1161 const char *vname; 1162 int value; 1163 { 1164 if (value < 0) { 1165 value = -value; 1166 in6_addreq.ifra_flags &= ~value; 1167 } else 1168 in6_addreq.ifra_flags |= value; 1169 } 1170 1171 void 1172 setia6pltime(val, d) 1173 const char *val; 1174 int d; 1175 { 1176 setia6lifetime("pltime", val); 1177 } 1178 1179 void 1180 setia6vltime(val, d) 1181 const char *val; 1182 int d; 1183 { 1184 setia6lifetime("vltime", val); 1185 } 1186 1187 void 1188 setia6lifetime(cmd, val) 1189 const char *cmd; 1190 const char *val; 1191 { 1192 time_t newval, t; 1193 char *ep; 1194 1195 t = time(NULL); 1196 newval = (time_t)strtoul(val, &ep, 0); 1197 if (val == ep) 1198 errx(1, "invalid %s", cmd); 1199 if (afp->af_af != AF_INET6) 1200 errx(1, "%s not allowed for the AF", cmd); 1201 if (strcmp(cmd, "vltime") == 0) { 1202 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1203 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1204 } else if (strcmp(cmd, "pltime") == 0) { 1205 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1206 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1207 } 1208 } 1209 #endif 1210 1211 void 1212 setifmetric(val, d) 1213 const char *val; 1214 int d; 1215 { 1216 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1217 ifr.ifr_metric = atoi(val); 1218 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1219 warn("SIOCSIFMETRIC"); 1220 } 1221 1222 void 1223 setifmtu(val, d) 1224 const char *val; 1225 int d; 1226 { 1227 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1228 ifr.ifr_mtu = atoi(val); 1229 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1230 warn("SIOCSIFMTU"); 1231 } 1232 1233 const char * 1234 get_string(val, sep, buf, lenp) 1235 const char *val, *sep; 1236 u_int8_t *buf; 1237 int *lenp; 1238 { 1239 int len; 1240 int hexstr; 1241 u_int8_t *p; 1242 1243 len = *lenp; 1244 p = buf; 1245 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1246 if (hexstr) 1247 val += 2; 1248 for (;;) { 1249 if (*val == '\0') 1250 break; 1251 if (sep != NULL && strchr(sep, *val) != NULL) { 1252 val++; 1253 break; 1254 } 1255 if (hexstr) { 1256 if (!isxdigit((u_char)val[0]) || 1257 !isxdigit((u_char)val[1])) { 1258 warnx("bad hexadecimal digits"); 1259 return NULL; 1260 } 1261 } 1262 if (p > buf + len) { 1263 if (hexstr) 1264 warnx("hexadecimal digits too long"); 1265 else 1266 warnx("strings too long"); 1267 return NULL; 1268 } 1269 if (hexstr) { 1270 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1271 *p++ = (tohex((u_char)val[0]) << 4) | 1272 tohex((u_char)val[1]); 1273 #undef tohex 1274 val += 2; 1275 } else 1276 *p++ = *val++; 1277 } 1278 len = p - buf; 1279 if (len < *lenp) 1280 memset(p, 0, *lenp - len); 1281 *lenp = len; 1282 return val; 1283 } 1284 1285 void 1286 print_string(buf, len) 1287 const u_int8_t *buf; 1288 int len; 1289 { 1290 int i; 1291 int hasspc; 1292 1293 i = 0; 1294 hasspc = 0; 1295 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1296 for (; i < len; i++) { 1297 if (!isprint(buf[i])) 1298 break; 1299 if (isspace(buf[i])) 1300 hasspc++; 1301 } 1302 } 1303 if (i == len) { 1304 if (hasspc || len == 0) 1305 printf("\"%.*s\"", len, buf); 1306 else 1307 printf("%.*s", len, buf); 1308 } else { 1309 printf("0x"); 1310 for (i = 0; i < len; i++) 1311 printf("%02x", buf[i]); 1312 } 1313 } 1314 1315 void 1316 setifnwid(val, d) 1317 const char *val; 1318 int d; 1319 { 1320 struct ieee80211_nwid nwid; 1321 int len; 1322 1323 len = sizeof(nwid.i_nwid); 1324 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1325 return; 1326 nwid.i_len = len; 1327 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1328 ifr.ifr_data = (caddr_t)&nwid; 1329 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1330 warn("SIOCS80211NWID"); 1331 } 1332 1333 void 1334 setifnwkey(val, d) 1335 const char *val; 1336 int d; 1337 { 1338 struct ieee80211_nwkey nwkey; 1339 int i; 1340 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1341 1342 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1343 nwkey.i_defkid = 1; 1344 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1345 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1346 nwkey.i_key[i].i_keydat = keybuf[i]; 1347 } 1348 if (d != 0) { 1349 /* disable WEP encryption */ 1350 nwkey.i_wepon = 0; 1351 i = 0; 1352 } else if (strcasecmp("persist", val) == 0) { 1353 /* use all values from persistent memory */ 1354 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1355 nwkey.i_defkid = 0; 1356 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1357 nwkey.i_key[i].i_keylen = -1; 1358 } else if (strncasecmp("persist:", val, 8) == 0) { 1359 val += 8; 1360 /* program keys in persistent memory */ 1361 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1362 goto set_nwkey; 1363 } else { 1364 set_nwkey: 1365 if (isdigit(val[0]) && val[1] == ':') { 1366 /* specifying a full set of four keys */ 1367 nwkey.i_defkid = val[0] - '0'; 1368 val += 2; 1369 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1370 val = get_string(val, ",", keybuf[i], 1371 &nwkey.i_key[i].i_keylen); 1372 if (val == NULL) 1373 return; 1374 } 1375 if (*val != '\0') { 1376 warnx("SIOCS80211NWKEY: too many keys."); 1377 return; 1378 } 1379 } else { 1380 val = get_string(val, NULL, keybuf[0], 1381 &nwkey.i_key[0].i_keylen); 1382 if (val == NULL) 1383 return; 1384 i = 1; 1385 } 1386 } 1387 for (; i < IEEE80211_WEP_NKID; i++) 1388 nwkey.i_key[i].i_keylen = 0; 1389 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1390 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1391 warn("SIOCS80211NWKEY"); 1392 } 1393 1394 void 1395 setifpowersave(val, d) 1396 const char *val; 1397 int d; 1398 { 1399 struct ieee80211_power power; 1400 1401 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1402 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1403 warn("SIOCG80211POWER"); 1404 return; 1405 } 1406 1407 power.i_enabled = d; 1408 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1409 warn("SIOCS80211POWER"); 1410 } 1411 1412 void 1413 setifpowersavesleep(val, d) 1414 const char *val; 1415 int d; 1416 { 1417 struct ieee80211_power power; 1418 1419 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1420 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1421 warn("SIOCG80211POWER"); 1422 return; 1423 } 1424 1425 power.i_maxsleep = atoi(val); 1426 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1427 warn("SIOCS80211POWER"); 1428 } 1429 1430 void 1431 ieee80211_status() 1432 { 1433 int i, nwkey_verbose; 1434 struct ieee80211_nwid nwid; 1435 struct ieee80211_nwkey nwkey; 1436 struct ieee80211_power power; 1437 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1438 1439 memset(&ifr, 0, sizeof(ifr)); 1440 ifr.ifr_data = (caddr_t)&nwid; 1441 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1442 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1443 return; 1444 if (nwid.i_len > IEEE80211_NWID_LEN) { 1445 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1446 return; 1447 } 1448 printf("\tnwid "); 1449 print_string(nwid.i_nwid, nwid.i_len); 1450 memset(&nwkey, 0, sizeof(nwkey)); 1451 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1452 /* show nwkey only when WEP is enabled */ 1453 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1454 nwkey.i_wepon == 0) { 1455 printf("\n"); 1456 goto skip_wep; 1457 } 1458 1459 printf(" nwkey "); 1460 /* try to retrieve WEP keys */ 1461 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1462 nwkey.i_key[i].i_keydat = keybuf[i]; 1463 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1464 } 1465 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1466 printf("*****"); 1467 } else { 1468 nwkey_verbose = 0; 1469 /* check to see non default key or multiple keys defined */ 1470 if (nwkey.i_defkid != 1) { 1471 nwkey_verbose = 1; 1472 } else { 1473 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1474 if (nwkey.i_key[i].i_keylen != 0) { 1475 nwkey_verbose = 1; 1476 break; 1477 } 1478 } 1479 } 1480 /* check extra ambiguity with keywords */ 1481 if (!nwkey_verbose) { 1482 if (nwkey.i_key[0].i_keylen >= 2 && 1483 isdigit(nwkey.i_key[0].i_keydat[0]) && 1484 nwkey.i_key[0].i_keydat[1] == ':') 1485 nwkey_verbose = 1; 1486 else if (nwkey.i_key[0].i_keylen >= 7 && 1487 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1488 == 0) 1489 nwkey_verbose = 1; 1490 } 1491 if (nwkey_verbose) 1492 printf("%d:", nwkey.i_defkid); 1493 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1494 if (i > 0) 1495 printf(","); 1496 if (nwkey.i_key[i].i_keylen < 0) 1497 printf("persist"); 1498 else 1499 print_string(nwkey.i_key[i].i_keydat, 1500 nwkey.i_key[i].i_keylen); 1501 if (!nwkey_verbose) 1502 break; 1503 } 1504 } 1505 printf("\n"); 1506 1507 skip_wep: 1508 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1509 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1510 return; 1511 printf("\tpowersave "); 1512 if (power.i_enabled) 1513 printf("on (%dms sleep)", power.i_maxsleep); 1514 else 1515 printf("off"); 1516 printf("\n"); 1517 } 1518 1519 void 1520 init_current_media() 1521 { 1522 struct ifmediareq ifmr; 1523 1524 /* 1525 * If we have not yet done so, grab the currently-selected 1526 * media. 1527 */ 1528 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1529 (void) memset(&ifmr, 0, sizeof(ifmr)); 1530 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1531 1532 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1533 /* 1534 * If we get E2BIG, the kernel is telling us 1535 * that there are more, so we can ignore it. 1536 */ 1537 if (errno != E2BIG) 1538 err(1, "SGIOCGIFMEDIA"); 1539 } 1540 1541 media_current = ifmr.ifm_current; 1542 } 1543 1544 /* Sanity. */ 1545 if (IFM_TYPE(media_current) == 0) 1546 errx(1, "%s: no link type?", name); 1547 } 1548 1549 void 1550 process_media_commands() 1551 { 1552 1553 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1554 /* Nothing to do. */ 1555 return; 1556 } 1557 1558 /* 1559 * Media already set up, and commands sanity-checked. Set/clear 1560 * any options, and we're ready to go. 1561 */ 1562 media_current |= mediaopt_set; 1563 media_current &= ~mediaopt_clear; 1564 1565 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1566 ifr.ifr_media = media_current; 1567 1568 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1569 err(1, "SIOCSIFMEDIA"); 1570 } 1571 1572 void 1573 setmedia(val, d) 1574 const char *val; 1575 int d; 1576 { 1577 int type, subtype, inst; 1578 1579 init_current_media(); 1580 1581 /* Only one media command may be given. */ 1582 if (actions & A_MEDIA) 1583 errx(1, "only one `media' command may be issued"); 1584 1585 /* Must not come after mediaopt commands */ 1586 if (actions & A_MEDIAOPT) 1587 errx(1, "may not issue `media' after `mediaopt' commands"); 1588 1589 /* 1590 * No need to check if `instance' has been issued; setmediainst() 1591 * craps out if `media' has not been specified. 1592 */ 1593 1594 type = IFM_TYPE(media_current); 1595 inst = IFM_INST(media_current); 1596 1597 /* Look up the subtype. */ 1598 subtype = get_media_subtype(type, val); 1599 1600 /* Build the new current media word. */ 1601 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1602 1603 /* Media will be set after other processing is complete. */ 1604 } 1605 1606 void 1607 setmediaopt(val, d) 1608 const char *val; 1609 int d; 1610 { 1611 1612 init_current_media(); 1613 1614 /* Can only issue `mediaopt' once. */ 1615 if (actions & A_MEDIAOPTSET) 1616 errx(1, "only one `mediaopt' command may be issued"); 1617 1618 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1619 if (actions & A_MEDIAINST) 1620 errx(1, "may not issue `mediaopt' after `instance'"); 1621 1622 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1623 1624 /* Media will be set after other processing is complete. */ 1625 } 1626 1627 void 1628 unsetmediaopt(val, d) 1629 const char *val; 1630 int d; 1631 { 1632 1633 init_current_media(); 1634 1635 /* Can only issue `-mediaopt' once. */ 1636 if (actions & A_MEDIAOPTCLR) 1637 errx(1, "only one `-mediaopt' command may be issued"); 1638 1639 /* May not issue `media' and `-mediaopt'. */ 1640 if (actions & A_MEDIA) 1641 errx(1, "may not issue both `media' and `-mediaopt'"); 1642 1643 /* 1644 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1645 * implicitly checks for A_MEDIAINST. 1646 */ 1647 1648 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1649 1650 /* Media will be set after other processing is complete. */ 1651 } 1652 1653 void 1654 setmediainst(val, d) 1655 const char *val; 1656 int d; 1657 { 1658 int type, subtype, options, inst; 1659 1660 init_current_media(); 1661 1662 /* Can only issue `instance' once. */ 1663 if (actions & A_MEDIAINST) 1664 errx(1, "only one `instance' command may be issued"); 1665 1666 /* Must have already specified `media' */ 1667 if ((actions & A_MEDIA) == 0) 1668 errx(1, "must specify `media' before `instance'"); 1669 1670 type = IFM_TYPE(media_current); 1671 subtype = IFM_SUBTYPE(media_current); 1672 options = IFM_OPTIONS(media_current); 1673 1674 inst = atoi(val); 1675 if (inst < 0 || inst > IFM_INST_MAX) 1676 errx(1, "invalid media instance: %s", val); 1677 1678 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1679 1680 /* Media will be set after other processing is complete. */ 1681 } 1682 1683 struct ifmedia_description ifm_type_descriptions[] = 1684 IFM_TYPE_DESCRIPTIONS; 1685 1686 struct ifmedia_description ifm_subtype_descriptions[] = 1687 IFM_SUBTYPE_DESCRIPTIONS; 1688 1689 struct ifmedia_description ifm_option_descriptions[] = 1690 IFM_OPTION_DESCRIPTIONS; 1691 1692 const char * 1693 get_media_type_string(mword) 1694 int mword; 1695 { 1696 struct ifmedia_description *desc; 1697 1698 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1699 desc++) { 1700 if (IFM_TYPE(mword) == desc->ifmt_word) 1701 return (desc->ifmt_string); 1702 } 1703 return ("<unknown type>"); 1704 } 1705 1706 const char * 1707 get_media_subtype_string(mword) 1708 int mword; 1709 { 1710 struct ifmedia_description *desc; 1711 1712 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1713 desc++) { 1714 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1715 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1716 return (desc->ifmt_string); 1717 } 1718 return ("<unknown subtype>"); 1719 } 1720 1721 int 1722 get_media_subtype(type, val) 1723 int type; 1724 const char *val; 1725 { 1726 int rval; 1727 1728 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1729 if (rval == -1) 1730 errx(1, "unknown %s media subtype: %s", 1731 get_media_type_string(type), val); 1732 1733 return (rval); 1734 } 1735 1736 int 1737 get_media_options(type, val) 1738 int type; 1739 const char *val; 1740 { 1741 char *optlist, *str; 1742 int option, rval = 0; 1743 1744 /* We muck with the string, so copy it. */ 1745 optlist = strdup(val); 1746 if (optlist == NULL) 1747 err(1, "strdup"); 1748 str = optlist; 1749 1750 /* 1751 * Look up the options in the user-provided comma-separated list. 1752 */ 1753 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1754 option = lookup_media_word(ifm_option_descriptions, type, str); 1755 if (option == -1) 1756 errx(1, "unknown %s media option: %s", 1757 get_media_type_string(type), str); 1758 rval |= IFM_OPTIONS(option); 1759 } 1760 1761 free(optlist); 1762 return (rval); 1763 } 1764 1765 int 1766 lookup_media_word(desc, type, val) 1767 struct ifmedia_description *desc; 1768 int type; 1769 const char *val; 1770 { 1771 1772 for (; desc->ifmt_string != NULL; desc++) { 1773 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1774 strcasecmp(desc->ifmt_string, val) == 0) 1775 return (desc->ifmt_word); 1776 } 1777 return (-1); 1778 } 1779 1780 void 1781 print_media_word(ifmw, print_type, as_syntax) 1782 int ifmw, print_type, as_syntax; 1783 { 1784 struct ifmedia_description *desc; 1785 int seen_option = 0; 1786 1787 if (print_type) 1788 printf("%s ", get_media_type_string(ifmw)); 1789 printf("%s%s", as_syntax ? "media " : "", 1790 get_media_subtype_string(ifmw)); 1791 1792 /* Find options. */ 1793 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1794 desc++) { 1795 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1796 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1797 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1798 if (seen_option == 0) 1799 printf(" %s", as_syntax ? "mediaopt " : ""); 1800 printf("%s%s", seen_option ? "," : "", 1801 desc->ifmt_string); 1802 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1803 } 1804 } 1805 if (IFM_INST(ifmw) != 0) 1806 printf(" instance %d", IFM_INST(ifmw)); 1807 } 1808 1809 int carrier() 1810 { 1811 struct ifmediareq ifmr; 1812 1813 (void) memset(&ifmr, 0, sizeof(ifmr)); 1814 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1815 1816 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1817 /* 1818 * Interface doesn't support SIOC{G,S}IFMEDIA; 1819 * assume ok. 1820 */ 1821 return 0; 1822 } 1823 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1824 /* 1825 * Interface doesn't report media-valid status. 1826 * assume ok. 1827 */ 1828 return 0; 1829 } 1830 /* otherwise, return ok for active, not-ok if not active. */ 1831 return !(ifmr.ifm_status & IFM_ACTIVE); 1832 } 1833 1834 1835 #define IFFBITS \ 1836 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1837 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1838 1839 #define IFCAPBITS \ 1840 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM" 1841 1842 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1843 1844 const struct ifmedia_status_description ifm_status_descriptions[] = 1845 IFM_STATUS_DESCRIPTIONS; 1846 1847 /* 1848 * Print the status of the interface. If an address family was 1849 * specified, show it and it only; otherwise, show them all. 1850 */ 1851 void 1852 status(ap, alen) 1853 const u_int8_t *ap; 1854 int alen; 1855 { 1856 struct afswtch *p = afp; 1857 struct ifmediareq ifmr; 1858 int *media_list, i; 1859 1860 printf("%s: ", name); 1861 printb("flags", flags, IFFBITS); 1862 if (metric) 1863 printf(" metric %d", metric); 1864 if (mtu) 1865 printf(" mtu %d", mtu); 1866 putchar('\n'); 1867 1868 if (g_ifcr.ifcr_capabilities) { 1869 putchar('\t'); 1870 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1871 putchar('\n'); 1872 1873 putchar('\t'); 1874 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1875 putchar('\n'); 1876 } 1877 1878 ieee80211_status(); 1879 vlan_status(); 1880 tunnel_status(); 1881 1882 if (ap && alen > 0) { 1883 printf("\taddress:"); 1884 for (i = 0; i < alen; i++, ap++) 1885 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1886 putchar('\n'); 1887 } 1888 1889 (void) memset(&ifmr, 0, sizeof(ifmr)); 1890 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1891 1892 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1893 /* 1894 * Interface doesn't support SIOC{G,S}IFMEDIA. 1895 */ 1896 goto proto_status; 1897 } 1898 1899 if (ifmr.ifm_count == 0) { 1900 warnx("%s: no media types?", name); 1901 goto proto_status; 1902 } 1903 1904 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1905 if (media_list == NULL) 1906 err(1, "malloc"); 1907 ifmr.ifm_ulist = media_list; 1908 1909 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1910 err(1, "SIOCGIFMEDIA"); 1911 1912 printf("\tmedia: "); 1913 print_media_word(ifmr.ifm_current, 1, 0); 1914 if (ifmr.ifm_active != ifmr.ifm_current) { 1915 putchar(' '); 1916 putchar('('); 1917 print_media_word(ifmr.ifm_active, 0, 0); 1918 putchar(')'); 1919 } 1920 putchar('\n'); 1921 1922 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1923 const struct ifmedia_status_description *ifms; 1924 int bitno, found = 0; 1925 1926 printf("\tstatus: "); 1927 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1928 for (ifms = ifm_status_descriptions; 1929 ifms->ifms_valid != 0; ifms++) { 1930 if (ifms->ifms_type != 1931 IFM_TYPE(ifmr.ifm_current) || 1932 ifms->ifms_valid != 1933 ifm_status_valid_list[bitno]) 1934 continue; 1935 printf("%s%s", found ? ", " : "", 1936 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1937 found = 1; 1938 1939 /* 1940 * For each valid indicator bit, there's 1941 * only one entry for each media type, so 1942 * terminate the inner loop now. 1943 */ 1944 break; 1945 } 1946 } 1947 1948 if (found == 0) 1949 printf("unknown"); 1950 putchar('\n'); 1951 } 1952 1953 if (mflag) { 1954 int type, printed_type; 1955 1956 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1957 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1958 if (IFM_TYPE(media_list[i]) == type) { 1959 if (printed_type == 0) { 1960 printf("\tsupported %s media:\n", 1961 get_media_type_string(type)); 1962 printed_type = 1; 1963 } 1964 printf("\t\t"); 1965 print_media_word(media_list[i], 0, 1); 1966 printf("\n"); 1967 } 1968 } 1969 } 1970 } 1971 1972 free(media_list); 1973 1974 proto_status: 1975 if ((p = afp) != NULL) { 1976 (*p->af_status)(1); 1977 } else for (p = afs; p->af_name; p++) { 1978 ifr.ifr_addr.sa_family = p->af_af; 1979 (*p->af_status)(0); 1980 } 1981 } 1982 1983 void 1984 tunnel_status() 1985 { 1986 char psrcaddr[NI_MAXHOST]; 1987 char pdstaddr[NI_MAXHOST]; 1988 const char *ver = ""; 1989 #ifdef NI_WITHSCOPEID 1990 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1991 #else 1992 const int niflag = NI_NUMERICHOST; 1993 #endif 1994 struct if_laddrreq req; 1995 1996 psrcaddr[0] = pdstaddr[0] = '\0'; 1997 1998 memset(&req, 0, sizeof(req)); 1999 strncpy(req.iflr_name, name, IFNAMSIZ); 2000 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 2001 return; 2002 #ifdef INET6 2003 if (req.addr.ss_family == AF_INET6) 2004 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2005 #endif 2006 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2007 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2008 #ifdef INET6 2009 if (req.addr.ss_family == AF_INET6) 2010 ver = "6"; 2011 #endif 2012 2013 #ifdef INET6 2014 if (req.dstaddr.ss_family == AF_INET6) 2015 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2016 #endif 2017 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2018 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2019 2020 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2021 } 2022 2023 void 2024 vlan_status() 2025 { 2026 struct vlanreq vlr; 2027 2028 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2029 !isdigit(ifr.ifr_name[4])) 2030 return; 2031 2032 memset(&vlr, 0, sizeof(vlr)); 2033 ifr.ifr_data = (caddr_t)&vlr; 2034 2035 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2036 return; 2037 2038 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2039 printf("\tvlan: %d parent: %s\n", 2040 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2041 "<none>" : vlr.vlr_parent); 2042 } 2043 2044 void 2045 in_alias(creq) 2046 struct ifreq *creq; 2047 { 2048 struct sockaddr_in *sin; 2049 int alias; 2050 2051 if (lflag) 2052 return; 2053 2054 alias = 1; 2055 2056 /* Get the non-alias address for this interface. */ 2057 getsock(AF_INET); 2058 if (s < 0) { 2059 if (errno == EPROTONOSUPPORT) 2060 return; 2061 err(1, "socket"); 2062 } 2063 (void) memset(&ifr, 0, sizeof(ifr)); 2064 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2065 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2066 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2067 return; 2068 } else 2069 warn("SIOCGIFADDR"); 2070 } 2071 /* If creq and ifr are the same address, this is not an alias. */ 2072 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2073 sizeof(creq->ifr_addr)) == 0) 2074 alias = 0; 2075 (void) memset(&addreq, 0, sizeof(addreq)); 2076 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2077 addreq.ifra_addr = creq->ifr_addr; 2078 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2079 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2080 return; 2081 } else 2082 warn("SIOCGIFALIAS"); 2083 } 2084 2085 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2086 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2087 2088 if (flags & IFF_POINTOPOINT) { 2089 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2090 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2091 } 2092 2093 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2094 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2095 2096 if (flags & IFF_BROADCAST) { 2097 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2098 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2099 } 2100 printf("\n"); 2101 } 2102 2103 void 2104 in_status(force) 2105 int force; 2106 { 2107 struct ifaddrs *ifap, *ifa; 2108 struct ifreq ifr; 2109 2110 if (getifaddrs(&ifap) != 0) 2111 err(1, "getifaddrs"); 2112 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2113 if (strcmp(name, ifa->ifa_name) != 0) 2114 continue; 2115 if (ifa->ifa_addr->sa_family != AF_INET) 2116 continue; 2117 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2118 continue; 2119 2120 memset(&ifr, 0, sizeof(ifr)); 2121 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2122 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2123 in_alias(&ifr); 2124 } 2125 freeifaddrs(ifap); 2126 } 2127 2128 void 2129 setifprefixlen(addr, d) 2130 const char *addr; 2131 int d; 2132 { 2133 if (*afp->af_getprefix) 2134 (*afp->af_getprefix)(addr, MASK); 2135 explicit_prefix = 1; 2136 } 2137 2138 #ifdef INET6 2139 void 2140 in6_fillscopeid(sin6) 2141 struct sockaddr_in6 *sin6; 2142 { 2143 #if defined(__KAME__) && defined(KAME_SCOPEID) 2144 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2145 sin6->sin6_scope_id = 2146 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2147 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2148 } 2149 #endif 2150 } 2151 2152 /* XXX not really an alias */ 2153 void 2154 in6_alias(creq) 2155 struct in6_ifreq *creq; 2156 { 2157 struct sockaddr_in6 *sin6; 2158 char hbuf[NI_MAXHOST]; 2159 u_int32_t scopeid; 2160 #ifdef NI_WITHSCOPEID 2161 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2162 #else 2163 const int niflag = NI_NUMERICHOST; 2164 #endif 2165 2166 /* Get the non-alias address for this interface. */ 2167 getsock(AF_INET6); 2168 if (s < 0) { 2169 if (errno == EPROTONOSUPPORT) 2170 return; 2171 err(1, "socket"); 2172 } 2173 2174 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2175 2176 in6_fillscopeid(sin6); 2177 scopeid = sin6->sin6_scope_id; 2178 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2179 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2180 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2181 printf("\tinet6 %s", hbuf); 2182 2183 if (flags & IFF_POINTOPOINT) { 2184 (void) memset(&ifr6, 0, sizeof(ifr6)); 2185 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2186 ifr6.ifr_addr = creq->ifr_addr; 2187 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2188 if (errno != EADDRNOTAVAIL) 2189 warn("SIOCGIFDSTADDR_IN6"); 2190 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2191 ifr6.ifr_addr.sin6_family = AF_INET6; 2192 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2193 } 2194 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2195 in6_fillscopeid(sin6); 2196 hbuf[0] = '\0'; 2197 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2198 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2199 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2200 printf(" -> %s", hbuf); 2201 } 2202 2203 (void) memset(&ifr6, 0, sizeof(ifr6)); 2204 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2205 ifr6.ifr_addr = creq->ifr_addr; 2206 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2207 if (errno != EADDRNOTAVAIL) 2208 warn("SIOCGIFNETMASK_IN6"); 2209 } else { 2210 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2211 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2212 sizeof(struct in6_addr))); 2213 } 2214 2215 (void) memset(&ifr6, 0, sizeof(ifr6)); 2216 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2217 ifr6.ifr_addr = creq->ifr_addr; 2218 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2219 if (errno != EADDRNOTAVAIL) 2220 warn("SIOCGIFAFLAG_IN6"); 2221 } else { 2222 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2223 printf(" anycast"); 2224 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2225 printf(" tentative"); 2226 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2227 printf(" duplicated"); 2228 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2229 printf(" detached"); 2230 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2231 printf(" deprecated"); 2232 } 2233 2234 if (scopeid) 2235 printf(" scopeid 0x%x", scopeid); 2236 2237 if (Lflag) { 2238 struct in6_addrlifetime *lifetime; 2239 (void) memset(&ifr6, 0, sizeof(ifr6)); 2240 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2241 ifr6.ifr_addr = creq->ifr_addr; 2242 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2243 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2244 if (errno != EADDRNOTAVAIL) 2245 warn("SIOCGIFALIFETIME_IN6"); 2246 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2247 time_t t = time(NULL); 2248 printf(" pltime "); 2249 if (lifetime->ia6t_preferred) { 2250 printf("%s", lifetime->ia6t_preferred < t 2251 ? "0" 2252 : sec2str(lifetime->ia6t_preferred - t)); 2253 } else 2254 printf("infty"); 2255 2256 printf(" vltime "); 2257 if (lifetime->ia6t_expire) { 2258 printf("%s", lifetime->ia6t_expire < t 2259 ? "0" 2260 : sec2str(lifetime->ia6t_expire - t)); 2261 } else 2262 printf("infty"); 2263 } 2264 } 2265 2266 printf("\n"); 2267 } 2268 2269 void 2270 in6_status(force) 2271 int force; 2272 { 2273 struct ifaddrs *ifap, *ifa; 2274 struct in6_ifreq ifr; 2275 2276 if (getifaddrs(&ifap) != 0) 2277 err(1, "getifaddrs"); 2278 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2279 if (strcmp(name, ifa->ifa_name) != 0) 2280 continue; 2281 if (ifa->ifa_addr->sa_family != AF_INET6) 2282 continue; 2283 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2284 continue; 2285 2286 memset(&ifr, 0, sizeof(ifr)); 2287 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2288 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2289 in6_alias(&ifr); 2290 } 2291 freeifaddrs(ifap); 2292 } 2293 #endif /*INET6*/ 2294 2295 #ifndef INET_ONLY 2296 2297 void 2298 at_status(force) 2299 int force; 2300 { 2301 struct sockaddr_at *sat, null_sat; 2302 struct netrange *nr; 2303 2304 getsock(AF_APPLETALK); 2305 if (s < 0) { 2306 if (errno == EPROTONOSUPPORT) 2307 return; 2308 err(1, "socket"); 2309 } 2310 (void) memset(&ifr, 0, sizeof(ifr)); 2311 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2312 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2313 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2314 if (!force) 2315 return; 2316 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2317 } else 2318 warn("SIOCGIFADDR"); 2319 } 2320 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2321 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2322 2323 (void) memset(&null_sat, 0, sizeof(null_sat)); 2324 2325 nr = (struct netrange *) &sat->sat_zero; 2326 printf("\tatalk %d.%d range %d-%d phase %d", 2327 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2328 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2329 if (flags & IFF_POINTOPOINT) { 2330 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2331 if (errno == EADDRNOTAVAIL) 2332 (void) memset(&ifr.ifr_addr, 0, 2333 sizeof(ifr.ifr_addr)); 2334 else 2335 warn("SIOCGIFDSTADDR"); 2336 } 2337 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2338 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2339 if (!sat) 2340 sat = &null_sat; 2341 printf("--> %d.%d", 2342 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2343 } 2344 if (flags & IFF_BROADCAST) { 2345 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2346 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2347 if (sat) 2348 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2349 sat->sat_addr.s_node); 2350 } 2351 putchar('\n'); 2352 } 2353 2354 void 2355 xns_status(force) 2356 int force; 2357 { 2358 struct sockaddr_ns *sns; 2359 2360 getsock(AF_NS); 2361 if (s < 0) { 2362 if (errno == EPROTONOSUPPORT) 2363 return; 2364 err(1, "socket"); 2365 } 2366 (void) memset(&ifr, 0, sizeof(ifr)); 2367 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2368 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2369 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2370 if (!force) 2371 return; 2372 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2373 } else 2374 warn("SIOCGIFADDR"); 2375 } 2376 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2377 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2378 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2379 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2380 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2381 if (errno == EADDRNOTAVAIL) 2382 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2383 else 2384 warn("SIOCGIFDSTADDR"); 2385 } 2386 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2387 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2388 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2389 } 2390 putchar('\n'); 2391 } 2392 2393 void 2394 iso_status(force) 2395 int force; 2396 { 2397 struct sockaddr_iso *siso; 2398 struct iso_ifreq ifr; 2399 2400 getsock(AF_ISO); 2401 if (s < 0) { 2402 if (errno == EPROTONOSUPPORT) 2403 return; 2404 err(1, "socket"); 2405 } 2406 (void) memset(&ifr, 0, sizeof(ifr)); 2407 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2408 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2409 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2410 if (!force) 2411 return; 2412 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2413 } else 2414 warn("SIOCGIFADDR_ISO"); 2415 } 2416 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2417 siso = &ifr.ifr_Addr; 2418 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2419 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2420 if (errno == EADDRNOTAVAIL) 2421 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2422 else 2423 warn("SIOCGIFNETMASK_ISO"); 2424 } else { 2425 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2426 siso->siso_addr.isoa_len = siso->siso_len 2427 - offsetof(struct sockaddr_iso, siso_addr); 2428 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2429 } 2430 if (flags & IFF_POINTOPOINT) { 2431 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2432 if (errno == EADDRNOTAVAIL) 2433 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2434 else 2435 warn("SIOCGIFDSTADDR_ISO"); 2436 } 2437 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2438 siso = &ifr.ifr_Addr; 2439 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2440 } 2441 putchar('\n'); 2442 } 2443 2444 #endif /* INET_ONLY */ 2445 2446 #define SIN(x) ((struct sockaddr_in *) &(x)) 2447 struct sockaddr_in *sintab[] = { 2448 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2449 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2450 2451 void 2452 in_getaddr(s, which) 2453 const char *s; 2454 int which; 2455 { 2456 struct sockaddr_in *sin = sintab[which]; 2457 struct hostent *hp; 2458 struct netent *np; 2459 2460 sin->sin_len = sizeof(*sin); 2461 if (which != MASK) 2462 sin->sin_family = AF_INET; 2463 2464 if (which == ADDR) { 2465 char *p = NULL; 2466 if ((p = strrchr(s, '/')) != NULL) { 2467 *p = '\0'; 2468 in_getprefix(p + 1, MASK); 2469 } 2470 } 2471 2472 if (inet_aton(s, &sin->sin_addr) == 0) { 2473 if ((hp = gethostbyname(s)) != NULL) 2474 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2475 else if ((np = getnetbyname(s)) != NULL) 2476 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2477 else 2478 errx(1, "%s: bad value", s); 2479 } 2480 } 2481 2482 void 2483 in_getprefix(plen, which) 2484 const char *plen; 2485 int which; 2486 { 2487 register struct sockaddr_in *sin = sintab[which]; 2488 register u_char *cp; 2489 int len = strtol(plen, (char **)NULL, 10); 2490 2491 if ((len < 0) || (len > 32)) 2492 errx(1, "%s: bad value", plen); 2493 sin->sin_len = sizeof(*sin); 2494 if (which != MASK) 2495 sin->sin_family = AF_INET; 2496 if ((len == 0) || (len == 32)) { 2497 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2498 return; 2499 } 2500 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2501 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2502 *cp++ = 0xff; 2503 if (len) 2504 *cp = 0xff << (8 - len); 2505 } 2506 2507 /* 2508 * Print a value a la the %b format of the kernel's printf 2509 */ 2510 void 2511 printb(s, v, bits) 2512 const char *s; 2513 unsigned short v; 2514 const char *bits; 2515 { 2516 int i, any = 0; 2517 char c; 2518 2519 if (bits && *bits == 8) 2520 printf("%s=%o", s, v); 2521 else 2522 printf("%s=%x", s, v); 2523 bits++; 2524 if (bits) { 2525 putchar('<'); 2526 while ((i = *bits++) != 0) { 2527 if (v & (1 << (i-1))) { 2528 if (any) 2529 putchar(','); 2530 any = 1; 2531 for (; (c = *bits) > 32; bits++) 2532 putchar(c); 2533 } else 2534 for (; *bits > 32; bits++) 2535 ; 2536 } 2537 putchar('>'); 2538 } 2539 } 2540 2541 #ifdef INET6 2542 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2543 struct sockaddr_in6 *sin6tab[] = { 2544 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2545 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2546 2547 void 2548 in6_getaddr(s, which) 2549 const char *s; 2550 int which; 2551 { 2552 #if defined(__KAME__) && defined(KAME_SCOPEID) 2553 struct sockaddr_in6 *sin6 = sin6tab[which]; 2554 struct addrinfo hints, *res; 2555 int error; 2556 2557 memset(&hints, 0, sizeof(hints)); 2558 hints.ai_family = AF_INET6; 2559 hints.ai_socktype = SOCK_DGRAM; 2560 #if 0 /* in_getaddr() allows FQDN */ 2561 hints.ai_flags = AI_NUMERICHOST; 2562 #endif 2563 error = getaddrinfo(s, "0", &hints, &res); 2564 if (error) 2565 errx(1, "%s: %s", s, gai_strerror(error)); 2566 if (res->ai_next) 2567 errx(1, "%s: resolved to multiple hosts", s); 2568 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2569 errx(1, "%s: bad value", s); 2570 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2571 freeaddrinfo(res); 2572 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2573 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2574 htons(sin6->sin6_scope_id); 2575 sin6->sin6_scope_id = 0; 2576 } 2577 #else 2578 struct sockaddr_in6 *sin = sin6tab[which]; 2579 2580 sin->sin6_len = sizeof(*sin); 2581 if (which != MASK) 2582 sin->sin6_family = AF_INET6; 2583 2584 if (which == ADDR) { 2585 char *p = NULL; 2586 if((p = strrchr(s, '/')) != NULL) { 2587 *p = '\0'; 2588 in6_getprefix(p + 1, MASK); 2589 explicit_prefix = 1; 2590 } 2591 } 2592 2593 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2594 errx(1, "%s: bad value", s); 2595 #endif 2596 } 2597 2598 void 2599 in6_getprefix(plen, which) 2600 const char *plen; 2601 int which; 2602 { 2603 register struct sockaddr_in6 *sin = sin6tab[which]; 2604 register u_char *cp; 2605 int len = strtol(plen, (char **)NULL, 10); 2606 2607 if ((len < 0) || (len > 128)) 2608 errx(1, "%s: bad value", plen); 2609 sin->sin6_len = sizeof(*sin); 2610 if (which != MASK) 2611 sin->sin6_family = AF_INET6; 2612 if ((len == 0) || (len == 128)) { 2613 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2614 return; 2615 } 2616 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2617 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2618 *cp++ = 0xff; 2619 if (len) 2620 *cp = 0xff << (8 - len); 2621 } 2622 2623 int 2624 prefix(val, size) 2625 void *val; 2626 int size; 2627 { 2628 register u_char *name = (u_char *)val; 2629 register int byte, bit, plen = 0; 2630 2631 for (byte = 0; byte < size; byte++, plen += 8) 2632 if (name[byte] != 0xff) 2633 break; 2634 if (byte == size) 2635 return (plen); 2636 for (bit = 7; bit != 0; bit--, plen++) 2637 if (!(name[byte] & (1 << bit))) 2638 break; 2639 for (; bit != 0; bit--) 2640 if (name[byte] & (1 << bit)) 2641 return(0); 2642 byte++; 2643 for (; byte < size; byte++) 2644 if (name[byte]) 2645 return(0); 2646 return (plen); 2647 } 2648 #endif /*INET6*/ 2649 2650 #ifndef INET_ONLY 2651 void 2652 at_getaddr(addr, which) 2653 const char *addr; 2654 int which; 2655 { 2656 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2657 u_int net, node; 2658 2659 sat->sat_family = AF_APPLETALK; 2660 sat->sat_len = sizeof(*sat); 2661 if (which == MASK) 2662 errx(1, "AppleTalk does not use netmasks\n"); 2663 if (sscanf(addr, "%u.%u", &net, &node) != 2 2664 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2665 errx(1, "%s: illegal address", addr); 2666 sat->sat_addr.s_net = htons(net); 2667 sat->sat_addr.s_node = node; 2668 } 2669 2670 void 2671 setatrange(range, d) 2672 const char *range; 2673 int d; 2674 { 2675 u_short first = 123, last = 123; 2676 2677 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2678 || first == 0 || first > 0xffff 2679 || last == 0 || last > 0xffff || first > last) 2680 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2681 at_nr.nr_firstnet = htons(first); 2682 at_nr.nr_lastnet = htons(last); 2683 } 2684 2685 void 2686 setatphase(phase, d) 2687 const char *phase; 2688 int d; 2689 { 2690 if (!strcmp(phase, "1")) 2691 at_nr.nr_phase = 1; 2692 else if (!strcmp(phase, "2")) 2693 at_nr.nr_phase = 2; 2694 else 2695 errx(1, "%s: illegal phase", phase); 2696 } 2697 2698 void 2699 checkatrange(sat) 2700 struct sockaddr_at *sat; 2701 { 2702 if (at_nr.nr_phase == 0) 2703 at_nr.nr_phase = 2; /* Default phase 2 */ 2704 if (at_nr.nr_firstnet == 0) 2705 at_nr.nr_firstnet = /* Default range of one */ 2706 at_nr.nr_lastnet = sat->sat_addr.s_net; 2707 printf("\tatalk %d.%d range %d-%d phase %d\n", 2708 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2709 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2710 if ((u_short) ntohs(at_nr.nr_firstnet) > 2711 (u_short) ntohs(sat->sat_addr.s_net) 2712 || (u_short) ntohs(at_nr.nr_lastnet) < 2713 (u_short) ntohs(sat->sat_addr.s_net)) 2714 errx(1, "AppleTalk address is not in range"); 2715 *((struct netrange *) &sat->sat_zero) = at_nr; 2716 } 2717 2718 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2719 struct sockaddr_ns *snstab[] = { 2720 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2721 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2722 2723 void 2724 xns_getaddr(addr, which) 2725 const char *addr; 2726 int which; 2727 { 2728 struct sockaddr_ns *sns = snstab[which]; 2729 2730 sns->sns_family = AF_NS; 2731 sns->sns_len = sizeof(*sns); 2732 sns->sns_addr = ns_addr(addr); 2733 if (which == MASK) 2734 puts("Attempt to set XNS netmask will be ineffectual"); 2735 } 2736 2737 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2738 struct sockaddr_iso *sisotab[] = { 2739 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2740 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2741 2742 void 2743 iso_getaddr(addr, which) 2744 const char *addr; 2745 int which; 2746 { 2747 struct sockaddr_iso *siso = sisotab[which]; 2748 siso->siso_addr = *iso_addr(addr); 2749 2750 if (which == MASK) { 2751 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2752 siso->siso_nlen = 0; 2753 } else { 2754 siso->siso_len = sizeof(*siso); 2755 siso->siso_family = AF_ISO; 2756 } 2757 } 2758 2759 void 2760 setsnpaoffset(val, d) 2761 const char *val; 2762 int d; 2763 { 2764 iso_addreq.ifra_snpaoffset = atoi(val); 2765 } 2766 2767 void 2768 setnsellength(val, d) 2769 const char *val; 2770 int d; 2771 { 2772 nsellength = atoi(val); 2773 if (nsellength < 0) 2774 errx(1, "Negative NSEL length is absurd"); 2775 if (afp == 0 || afp->af_af != AF_ISO) 2776 errx(1, "Setting NSEL length valid only for iso"); 2777 } 2778 2779 void 2780 fixnsel(s) 2781 struct sockaddr_iso *s; 2782 { 2783 if (s->siso_family == 0) 2784 return; 2785 s->siso_tlen = nsellength; 2786 } 2787 2788 void 2789 adjust_nsellength() 2790 { 2791 fixnsel(sisotab[RIDADDR]); 2792 fixnsel(sisotab[ADDR]); 2793 fixnsel(sisotab[DSTADDR]); 2794 } 2795 2796 #endif /* INET_ONLY */ 2797 2798 void 2799 usage() 2800 { 2801 const char *progname = getprogname(); 2802 2803 fprintf(stderr, 2804 "usage: %s [ -m ] " 2805 #ifdef INET6 2806 "[ -L ] " 2807 #endif 2808 "interface\n" 2809 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2810 "\t\t[ alias | -alias ] ]\n" 2811 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2812 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2813 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2814 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2815 "\t[ arp | -arp ]\n" 2816 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2817 "[ instance minst ]\n" 2818 "\t[ vlan n vlanif i ]\n" 2819 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2820 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2821 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2822 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2823 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2824 " %s -C\n" 2825 " %s interface create\n" 2826 " %s interface destroy\n", 2827 progname, progname, progname, progname, progname, progname); 2828 exit(1); 2829 } 2830 2831 #ifdef INET6 2832 char * 2833 sec2str(total) 2834 time_t total; 2835 { 2836 static char result[256]; 2837 int days, hours, mins, secs; 2838 int first = 1; 2839 char *p = result; 2840 2841 if (0) { /*XXX*/ 2842 days = total / 3600 / 24; 2843 hours = (total / 3600) % 24; 2844 mins = (total / 60) % 60; 2845 secs = total % 60; 2846 2847 if (days) { 2848 first = 0; 2849 p += sprintf(p, "%dd", days); 2850 } 2851 if (!first || hours) { 2852 first = 0; 2853 p += sprintf(p, "%dh", hours); 2854 } 2855 if (!first || mins) { 2856 first = 0; 2857 p += sprintf(p, "%dm", mins); 2858 } 2859 sprintf(p, "%ds", secs); 2860 } else 2861 sprintf(p, "%lu", (u_long)total); 2862 2863 return(result); 2864 } 2865 #endif 2866
Indexes created Sat Sep 27 22:09:54 GMT 2025