ifconfig.c revision 1.122
1 /* $NetBSD: ifconfig.c,v 1.122 2002/04/25 09:39:17 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 1.122 2002/04/25 09:39:17 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, metric, mtu, setaddr, setipdst, doalias; 141 int clearaddr, s; 142 int newaddr = -1; 143 int conflicting = 0; 144 int nsellength = 1; 145 int af; 146 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int reset_if_flags; 151 int explicit_prefix = 0; 152 u_int vlan_tag = (u_int)-1; 153 154 struct ifcapreq g_ifcr; 155 int g_ifcr_updated; 156 157 void notealias __P((const char *, int)); 158 void notrailers __P((const char *, int)); 159 void setifaddr __P((const char *, int)); 160 void setifdstaddr __P((const char *, int)); 161 void setifflags __P((const char *, int)); 162 void setifcaps __P((const char *, int)); 163 void setifbroadaddr __P((const char *, int)); 164 void setifipdst __P((const char *, int)); 165 void setifmetric __P((const char *, int)); 166 void setifmtu __P((const char *, int)); 167 void setifnwid __P((const char *, int)); 168 void setifnwkey __P((const char *, int)); 169 void setifpowersave __P((const char *, int)); 170 void setifpowersavesleep __P((const char *, int)); 171 void setifnetmask __P((const char *, int)); 172 void setifprefixlen __P((const char *, int)); 173 void setnsellength __P((const char *, int)); 174 void setsnpaoffset __P((const char *, int)); 175 void setatrange __P((const char *, int)); 176 void setatphase __P((const char *, int)); 177 void settunnel __P((const char *, const char *)); 178 void deletetunnel __P((const char *, int)); 179 #ifdef INET6 180 void setia6flags __P((const char *, int)); 181 void setia6pltime __P((const char *, int)); 182 void setia6vltime __P((const char *, int)); 183 void setia6lifetime __P((const char *, const char *)); 184 #endif 185 void checkatrange __P ((struct sockaddr_at *)); 186 void setmedia __P((const char *, int)); 187 void setmediaopt __P((const char *, int)); 188 void unsetmediaopt __P((const char *, int)); 189 void setmediainst __P((const char *, int)); 190 void clone_create __P((const char *, int)); 191 void clone_destroy __P((const char *, int)); 192 void fixnsel __P((struct sockaddr_iso *)); 193 void setvlan __P((const char *, int)); 194 void setvlanif __P((const char *, int)); 195 void unsetvlanif __P((const char *, int)); 196 int main __P((int, char *[])); 197 198 /* 199 * Media stuff. Whenever a media command is first performed, the 200 * currently select media is grabbed for this interface. If `media' 201 * is given, the current media word is modifed. `mediaopt' commands 202 * only modify the set and clear words. They then operate on the 203 * current media word later. 204 */ 205 int media_current; 206 int mediaopt_set; 207 int mediaopt_clear; 208 209 int actions; /* Actions performed */ 210 211 #define A_MEDIA 0x0001 /* media command */ 212 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 213 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 214 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 215 #define A_MEDIAINST 0x0008 /* instance or inst command */ 216 217 #define NEXTARG 0xffffff 218 #define NEXTARG2 0xfffffe 219 220 const struct cmd { 221 const char *c_name; 222 int c_parameter; /* NEXTARG means next argv */ 223 int c_action; /* defered action */ 224 void (*c_func) __P((const char *, int)); 225 void (*c_func2) __P((const char *, const char *)); 226 } cmds[] = { 227 { "up", IFF_UP, 0, setifflags } , 228 { "down", -IFF_UP, 0, setifflags }, 229 { "trailers", -1, 0, notrailers }, 230 { "-trailers", 1, 0, notrailers }, 231 { "arp", -IFF_NOARP, 0, setifflags }, 232 { "-arp", IFF_NOARP, 0, setifflags }, 233 { "debug", IFF_DEBUG, 0, setifflags }, 234 { "-debug", -IFF_DEBUG, 0, setifflags }, 235 { "alias", IFF_UP, 0, notealias }, 236 { "-alias", -IFF_UP, 0, notealias }, 237 { "delete", -IFF_UP, 0, notealias }, 238 #ifdef notdef 239 #define EN_SWABIPS 0x1000 240 { "swabips", EN_SWABIPS, 0, setifflags }, 241 { "-swabips", -EN_SWABIPS, 0, setifflags }, 242 #endif 243 { "netmask", NEXTARG, 0, setifnetmask }, 244 { "metric", NEXTARG, 0, setifmetric }, 245 { "mtu", NEXTARG, 0, setifmtu }, 246 { "nwid", NEXTARG, 0, setifnwid }, 247 { "nwkey", NEXTARG, 0, setifnwkey }, 248 { "-nwkey", -1, 0, setifnwkey }, 249 { "powersave", 1, 0, setifpowersave }, 250 { "-powersave", 0, 0, setifpowersave }, 251 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 252 { "broadcast", NEXTARG, 0, setifbroadaddr }, 253 { "ipdst", NEXTARG, 0, setifipdst }, 254 { "prefixlen", NEXTARG, 0, setifprefixlen}, 255 #ifdef INET6 256 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 257 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 258 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 259 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 260 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 261 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 262 { "pltime", NEXTARG, 0, setia6pltime }, 263 { "vltime", NEXTARG, 0, setia6vltime }, 264 #endif /*INET6*/ 265 #ifndef INET_ONLY 266 { "range", NEXTARG, 0, setatrange }, 267 { "phase", NEXTARG, 0, setatphase }, 268 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 269 { "nsellength", NEXTARG, 0, setnsellength }, 270 #endif /* INET_ONLY */ 271 { "tunnel", NEXTARG2, 0, NULL, 272 settunnel } , 273 { "deletetunnel", 0, 0, deletetunnel }, 274 { "vlan", NEXTARG, 0, setvlan } , 275 { "vlanif", NEXTARG, 0, setvlanif } , 276 { "-vlanif", 0, 0, unsetvlanif } , 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 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 304 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 305 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 306 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 307 { 0, 0, 0, setifaddr }, 308 { 0, 0, 0, setifdstaddr }, 309 }; 310 311 void adjust_nsellength __P((void)); 312 int getinfo __P((struct ifreq *)); 313 int carrier __P((void)); 314 void getsock __P((int)); 315 void printall __P((const char *)); 316 void list_cloners __P((void)); 317 void printb __P((const char *, unsigned short, const char *)); 318 int prefix __P((void *, int)); 319 void status __P((const struct sockaddr_dl *)); 320 void usage __P((void)); 321 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 322 void print_string __P((const u_int8_t *, int)); 323 char *sec2str __P((time_t)); 324 325 const char *get_media_type_string __P((int)); 326 const char *get_media_subtype_string __P((int)); 327 int get_media_subtype __P((int, const char *)); 328 int get_media_options __P((int, const char *)); 329 int lookup_media_word __P((struct ifmedia_description *, int, 330 const char *)); 331 void print_media_word __P((int, int, int)); 332 void process_media_commands __P((void)); 333 void init_current_media __P((void)); 334 335 /* 336 * XNS support liberally adapted from code written at the University of 337 * Maryland principally by James O'Toole and Chris Torek. 338 */ 339 void in_alias __P((struct ifreq *)); 340 void in_status __P((int)); 341 void in_getaddr __P((const char *, int)); 342 void in_getprefix __P((const char *, int)); 343 #ifdef INET6 344 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 345 void in6_alias __P((struct in6_ifreq *)); 346 void in6_status __P((int)); 347 void in6_getaddr __P((const char *, int)); 348 void in6_getprefix __P((const char *, int)); 349 #endif 350 void at_status __P((int)); 351 void at_getaddr __P((const char *, int)); 352 void xns_status __P((int)); 353 void xns_getaddr __P((const char *, int)); 354 void iso_status __P((int)); 355 void iso_getaddr __P((const char *, int)); 356 357 void ieee80211_status __P((void)); 358 void tunnel_status __P((void)); 359 void vlan_status __P((void)); 360 361 /* Known address families */ 362 struct afswtch { 363 const char *af_name; 364 short af_af; 365 void (*af_status) __P((int)); 366 void (*af_getaddr) __P((const char *, int)); 367 void (*af_getprefix) __P((const char *, int)); 368 u_long af_difaddr; 369 u_long af_aifaddr; 370 u_long af_gifaddr; 371 caddr_t af_ridreq; 372 caddr_t af_addreq; 373 } afs[] = { 374 #define C(x) ((caddr_t) &x) 375 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 376 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 377 #ifdef INET6 378 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 379 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 380 /* 381 * Deleting the first address before setting new one is 382 * not prefered way in this protocol. 383 */ 384 0, 385 C(in6_ridreq), C(in6_addreq) }, 386 #endif 387 #ifndef INET_ONLY /* small version, for boot media */ 388 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 389 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 390 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 391 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 392 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 393 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 394 C(iso_ridreq), C(iso_addreq) }, 395 #endif /* INET_ONLY */ 396 { 0, 0, 0, 0 } 397 }; 398 399 struct afswtch *afp; /*the address family being set or asked about*/ 400 401 struct afswtch *lookup_af __P((const char *)); 402 403 int 404 main(argc, argv) 405 int argc; 406 char *argv[]; 407 { 408 struct ifreq ifreq; 409 int ch; 410 411 /* Parse command-line options */ 412 aflag = mflag = 0; 413 while ((ch = getopt(argc, argv, "AabCdlmsu" 414 #ifdef INET6 415 "L" 416 #endif 417 )) != -1) { 418 switch (ch) { 419 case 'A': 420 warnx("-A is deprecated"); 421 break; 422 423 case 'a': 424 aflag = 1; 425 break; 426 427 case 'b': 428 bflag = 1; 429 break; 430 431 432 case 'C': 433 Cflag = 1; 434 break; 435 436 case 'd': 437 dflag = 1; 438 break; 439 440 #ifdef INET6 441 case 'L': 442 Lflag = 1; 443 break; 444 #endif 445 446 case 'l': 447 lflag = 1; 448 break; 449 450 case 'm': 451 mflag = 1; 452 break; 453 454 case 's': 455 sflag = 1; 456 break; 457 458 case 'u': 459 uflag = 1; 460 break; 461 462 463 default: 464 usage(); 465 /* NOTREACHED */ 466 } 467 } 468 argc -= optind; 469 argv += optind; 470 471 /* 472 * -l means "list all interfaces", and is mutally exclusive with 473 * all other flags/commands. 474 * 475 * -C means "list all names of cloners", and it mutually exclusive 476 * with all other flags/commands. 477 * 478 * -a means "print status of all interfaces". 479 */ 480 if ((lflag || Cflag) && (aflag || mflag || argc)) 481 usage(); 482 #ifdef INET6 483 if ((lflag || Cflag) && Lflag) 484 usage(); 485 #endif 486 if (lflag && Cflag) 487 usage(); 488 if (Cflag) { 489 if (argc) 490 usage(); 491 list_cloners(); 492 exit(0); 493 } 494 if (aflag || lflag) { 495 if (argc > 1) 496 usage(); 497 else if (argc == 1) { 498 afp = lookup_af(argv[0]); 499 if (afp == NULL) 500 usage(); 501 } 502 if (afp) 503 af = ifr.ifr_addr.sa_family = afp->af_af; 504 else 505 af = ifr.ifr_addr.sa_family = afs[0].af_af; 506 printall(NULL); 507 exit(0); 508 } 509 510 /* Make sure there's an interface name. */ 511 if (argc < 1) 512 usage(); 513 (void) strncpy(name, argv[0], sizeof(name)); 514 argc--; argv++; 515 516 /* 517 * NOTE: We must special-case the `create' command right 518 * here as we would otherwise fail in getinfo(). 519 */ 520 if (argc > 0 && strcmp(argv[0], "create") == 0) { 521 clone_create(argv[0], 0); 522 argc--, argv++; 523 if (argc == 0) 524 exit(0); 525 } 526 527 /* Check for address family. */ 528 afp = NULL; 529 if (argc > 0) { 530 afp = lookup_af(argv[0]); 531 if (afp != NULL) { 532 argv++; 533 argc--; 534 } 535 } 536 537 /* Initialize af, just for use in getinfo(). */ 538 if (afp == NULL) 539 af = afs->af_af; 540 else 541 af = afp->af_af; 542 543 /* Get information about the interface. */ 544 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 545 if (getinfo(&ifr) < 0) 546 exit(1); 547 548 if (sflag) { 549 if (argc != 0) 550 usage(); 551 else 552 exit(carrier()); 553 } 554 555 /* No more arguments means interface status. */ 556 if (argc == 0) { 557 printall(name); 558 exit(0); 559 } 560 561 /* The following operations assume inet family as the default. */ 562 if (afp == NULL) 563 afp = afs; 564 af = ifr.ifr_addr.sa_family = afp->af_af; 565 566 #ifdef INET6 567 /* initialization */ 568 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 569 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 570 #endif 571 572 /* Process commands. */ 573 while (argc > 0) { 574 const struct cmd *p; 575 576 for (p = cmds; p->c_name; p++) 577 if (strcmp(argv[0], p->c_name) == 0) 578 break; 579 if (p->c_name == 0 && setaddr) { 580 if ((flags & IFF_POINTOPOINT) == 0) { 581 errx(1, "can't set destination address %s", 582 "on non-point-to-point link"); 583 } 584 p++; /* got src, do dst */ 585 } 586 if (p->c_func != NULL || p->c_func2 != NULL) { 587 if (p->c_parameter == NEXTARG) { 588 if (argc < 2) 589 errx(1, "'%s' requires argument", 590 p->c_name); 591 (*p->c_func)(argv[1], 0); 592 argc--, argv++; 593 } else if (p->c_parameter == NEXTARG2) { 594 if (argc < 3) 595 errx(1, "'%s' requires 2 arguments", 596 p->c_name); 597 (*p->c_func2)(argv[1], argv[2]); 598 argc -= 2, argv += 2; 599 } else 600 (*p->c_func)(argv[0], p->c_parameter); 601 actions |= p->c_action; 602 } 603 argc--, argv++; 604 } 605 606 /* 607 * See if multiple alias, -alias, or delete commands were 608 * specified. More than one constitutes an invalid command line 609 */ 610 611 if (conflicting > 1) 612 err(EXIT_FAILURE, 613 "Only one use of alias, -alias or delete is valid."); 614 615 /* Process any media commands that may have been issued. */ 616 process_media_commands(); 617 618 if (af == AF_INET6 && explicit_prefix == 0) { 619 /* 620 * Aggregatable address architecture defines all prefixes 621 * are 64. So, it is convenient to set prefixlen to 64 if 622 * it is not specified. 623 */ 624 setifprefixlen("64", 0); 625 /* in6_getprefix("64", MASK) if MASK is available here... */ 626 } 627 628 #ifndef INET_ONLY 629 if (af == AF_ISO) 630 adjust_nsellength(); 631 632 if (af == AF_APPLETALK) 633 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 634 635 if (setipdst && af==AF_NS) { 636 struct nsip_req rq; 637 int size = sizeof(rq); 638 639 rq.rq_ns = addreq.ifra_addr; 640 rq.rq_ip = addreq.ifra_dstaddr; 641 642 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 643 warn("encapsulation routing"); 644 } 645 646 #endif /* INET_ONLY */ 647 648 if (clearaddr) { 649 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 650 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 651 err(EXIT_FAILURE, "SIOCDIFADDR"); 652 } 653 if (newaddr > 0) { 654 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 655 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 656 warn("SIOCAIFADDR"); 657 } 658 659 if (g_ifcr_updated) { 660 (void) strncpy(g_ifcr.ifcr_name, name, 661 sizeof(g_ifcr.ifcr_name)); 662 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 663 err(EXIT_FAILURE, "SIOCSIFCAP"); 664 } 665 666 if (reset_if_flags) { 667 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 668 ifreq.ifr_flags = flags; 669 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 670 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 671 } 672 exit(0); 673 } 674 675 struct afswtch * 676 lookup_af(cp) 677 const char *cp; 678 { 679 struct afswtch *a; 680 681 for (a = afs; a->af_name != NULL; a++) 682 if (strcmp(a->af_name, cp) == 0) 683 return (a); 684 return (NULL); 685 } 686 687 void 688 getsock(naf) 689 int naf; 690 { 691 static int oaf = -1; 692 693 if (oaf == naf) 694 return; 695 if (oaf != -1) 696 close(s); 697 s = socket(naf, SOCK_DGRAM, 0); 698 if (s < 0) 699 oaf = -1; 700 else 701 oaf = naf; 702 } 703 704 int 705 getinfo(giifr) 706 struct ifreq *giifr; 707 { 708 709 getsock(af); 710 if (s < 0) 711 err(EXIT_FAILURE, "socket"); 712 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 713 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 714 return (-1); 715 } 716 flags = giifr->ifr_flags; 717 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 718 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 719 metric = 0; 720 } else 721 metric = giifr->ifr_metric; 722 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 723 mtu = 0; 724 else 725 mtu = giifr->ifr_mtu; 726 727 memset(&g_ifcr, 0, sizeof(g_ifcr)); 728 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 729 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 730 731 return (0); 732 } 733 734 void 735 printall(ifname) 736 const char *ifname; 737 { 738 struct ifaddrs *ifap, *ifa; 739 struct ifreq paifr; 740 const struct sockaddr_dl *sdl = NULL; 741 int idx; 742 char *p; 743 744 if (getifaddrs(&ifap) != 0) 745 err(EXIT_FAILURE, "getifaddrs"); 746 p = NULL; 747 idx = 0; 748 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 749 memset(&paifr, 0, sizeof(paifr)); 750 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 751 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 752 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 753 ifa->ifa_addr->sa_len); 754 } 755 756 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 757 continue; 758 if (ifa->ifa_addr->sa_family == AF_LINK) 759 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 760 if (p && strcmp(p, ifa->ifa_name) == 0) 761 continue; 762 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 763 name[sizeof(name) - 1] = '\0'; 764 p = ifa->ifa_name; 765 766 if (getinfo(&paifr) < 0) 767 continue; 768 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 769 continue; 770 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 771 continue; 772 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 773 continue; 774 775 if (sflag && carrier()) 776 continue; 777 idx++; 778 /* 779 * Are we just listing the interfaces? 780 */ 781 if (lflag) { 782 if (idx > 1) 783 putchar(' '); 784 fputs(name, stdout); 785 continue; 786 } 787 788 status(sdl); 789 sdl = NULL; 790 } 791 if (lflag) 792 putchar('\n'); 793 freeifaddrs(ifap); 794 } 795 796 void 797 list_cloners(void) 798 { 799 struct if_clonereq ifcr; 800 char *cp, *buf; 801 int idx; 802 803 memset(&ifcr, 0, sizeof(ifcr)); 804 805 getsock(AF_INET); 806 807 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 808 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 809 810 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 811 if (buf == NULL) 812 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 813 814 ifcr.ifcr_count = ifcr.ifcr_total; 815 ifcr.ifcr_buffer = buf; 816 817 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 818 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 819 820 /* 821 * In case some disappeared in the mean time, clamp it down. 822 */ 823 if (ifcr.ifcr_count > ifcr.ifcr_total) 824 ifcr.ifcr_count = ifcr.ifcr_total; 825 826 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 827 if (idx > 0) 828 putchar(' '); 829 printf("%s", cp); 830 } 831 832 putchar('\n'); 833 free(buf); 834 return; 835 } 836 837 /*ARGSUSED*/ 838 void 839 clone_create(addr, param) 840 const char *addr; 841 int param; 842 { 843 844 /* We're called early... */ 845 getsock(AF_INET); 846 847 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 848 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 849 err(EXIT_FAILURE, "SIOCIFCREATE"); 850 } 851 852 /*ARGSUSED*/ 853 void 854 clone_destroy(addr, param) 855 const char *addr; 856 int param; 857 { 858 859 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 860 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 861 err(EXIT_FAILURE, "SIOCIFDESTROY"); 862 } 863 864 #define RIDADDR 0 865 #define ADDR 1 866 #define MASK 2 867 #define DSTADDR 3 868 869 /*ARGSUSED*/ 870 void 871 setifaddr(addr, param) 872 const char *addr; 873 int param; 874 { 875 struct ifreq *siifr; /* XXX */ 876 877 /* 878 * Delay the ioctl to set the interface addr until flags are all set. 879 * The address interpretation may depend on the flags, 880 * and the flags may change when the address is set. 881 */ 882 setaddr++; 883 if (newaddr == -1) 884 newaddr = 1; 885 if (doalias == 0 && afp->af_gifaddr != 0) { 886 siifr = (struct ifreq *)afp->af_ridreq; 887 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 888 siifr->ifr_addr.sa_family = afp->af_af; 889 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 890 clearaddr = 1; 891 else if (errno == EADDRNOTAVAIL) 892 /* No address was assigned yet. */ 893 ; 894 else 895 err(EXIT_FAILURE, "SIOCGIFADDR"); 896 } 897 898 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 899 } 900 901 void 902 settunnel(src, dst) 903 const char *src, *dst; 904 { 905 struct addrinfo hints, *srcres, *dstres; 906 int ecode; 907 struct if_laddrreq req; 908 909 memset(&hints, 0, sizeof(hints)); 910 hints.ai_family = afp->af_af; 911 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 912 913 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 914 errx(1, "error in parsing address string: %s", 915 gai_strerror(ecode)); 916 917 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 918 errx(1, "error in parsing address string: %s", 919 gai_strerror(ecode)); 920 921 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 922 errx(1, 923 "source and destination address families do not match"); 924 925 if (srcres->ai_addrlen > sizeof(req.addr) || 926 dstres->ai_addrlen > sizeof(req.dstaddr)) 927 errx(1, "invalid sockaddr"); 928 929 memset(&req, 0, sizeof(req)); 930 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 931 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 932 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 933 934 #ifdef INET6 935 if (req.addr.ss_family == AF_INET6) { 936 struct sockaddr_in6 *s6, *d; 937 938 s6 = (struct sockaddr_in6 *)&req.addr; 939 d = (struct sockaddr_in6 *)&req.dstaddr; 940 if (s6->sin6_scope_id != d->sin6_scope_id) { 941 errx(1, "scope mismatch"); 942 /* NOTREACHED */ 943 } 944 #ifdef __KAME__ 945 /* embed scopeid */ 946 if (s6->sin6_scope_id && 947 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 948 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 949 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 950 htons(s6->sin6_scope_id); 951 } 952 if (d->sin6_scope_id && 953 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 954 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 955 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 956 htons(d->sin6_scope_id); 957 } 958 #endif 959 } 960 #endif 961 962 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 963 warn("SIOCSLIFPHYADDR"); 964 965 freeaddrinfo(srcres); 966 freeaddrinfo(dstres); 967 } 968 969 /* ARGSUSED */ 970 void 971 deletetunnel(vname, param) 972 const char *vname; 973 int param; 974 { 975 976 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 977 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 978 } 979 980 void setvlan(val, d) 981 const char *val; 982 int d; 983 { 984 struct vlanreq vlr; 985 986 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 987 !isdigit(ifr.ifr_name[4])) 988 errx(EXIT_FAILURE, 989 "``vlan'' valid only with vlan(4) interfaces"); 990 991 vlan_tag = atoi(val); 992 993 memset(&vlr, 0, sizeof(vlr)); 994 ifr.ifr_data = (caddr_t)&vlr; 995 996 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 997 err(EXIT_FAILURE, "SIOCGETVLAN"); 998 999 vlr.vlr_tag = vlan_tag; 1000 1001 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1002 err(EXIT_FAILURE, "SIOCSETVLAN"); 1003 } 1004 1005 void setvlanif(val, d) 1006 const char *val; 1007 int d; 1008 { 1009 struct vlanreq vlr; 1010 1011 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1012 !isdigit(ifr.ifr_name[4])) 1013 errx(EXIT_FAILURE, 1014 "``vlanif'' valid only with vlan(4) interfaces"); 1015 1016 if (vlan_tag == (u_int)-1) 1017 errx(EXIT_FAILURE, 1018 "must specify both ``vlan'' and ``vlanif''"); 1019 1020 memset(&vlr, 0, sizeof(vlr)); 1021 ifr.ifr_data = (caddr_t)&vlr; 1022 1023 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1024 err(EXIT_FAILURE, "SIOCGETVLAN"); 1025 1026 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1027 vlr.vlr_tag = vlan_tag; 1028 1029 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1030 err(EXIT_FAILURE, "SIOCSETVLAN"); 1031 } 1032 1033 void unsetvlanif(val, d) 1034 const char *val; 1035 int d; 1036 { 1037 struct vlanreq vlr; 1038 1039 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1040 !isdigit(ifr.ifr_name[4])) 1041 errx(EXIT_FAILURE, 1042 "``vlanif'' valid only with vlan(4) interfaces"); 1043 1044 memset(&vlr, 0, sizeof(vlr)); 1045 ifr.ifr_data = (caddr_t)&vlr; 1046 1047 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1048 err(EXIT_FAILURE, "SIOCGETVLAN"); 1049 1050 vlr.vlr_parent[0] = '\0'; 1051 vlr.vlr_tag = 0; 1052 1053 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1054 err(EXIT_FAILURE, "SIOCSETVLAN"); 1055 } 1056 1057 void 1058 setifnetmask(addr, d) 1059 const char *addr; 1060 int d; 1061 { 1062 (*afp->af_getaddr)(addr, MASK); 1063 } 1064 1065 void 1066 setifbroadaddr(addr, d) 1067 const char *addr; 1068 int d; 1069 { 1070 (*afp->af_getaddr)(addr, DSTADDR); 1071 } 1072 1073 void 1074 setifipdst(addr, d) 1075 const char *addr; 1076 int d; 1077 { 1078 in_getaddr(addr, DSTADDR); 1079 setipdst++; 1080 clearaddr = 0; 1081 newaddr = 0; 1082 } 1083 1084 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1085 /*ARGSUSED*/ 1086 void 1087 notealias(addr, param) 1088 const char *addr; 1089 int param; 1090 { 1091 if (setaddr && doalias == 0 && param < 0) 1092 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1093 rqtosa(af_addreq)->sa_len); 1094 doalias = param; 1095 if (param < 0) { 1096 clearaddr = 1; 1097 newaddr = 0; 1098 conflicting++; 1099 } else { 1100 clearaddr = 0; 1101 conflicting++; 1102 } 1103 } 1104 1105 /*ARGSUSED*/ 1106 void 1107 notrailers(vname, value) 1108 const char *vname; 1109 int value; 1110 { 1111 puts("Note: trailers are no longer sent, but always received"); 1112 } 1113 1114 /*ARGSUSED*/ 1115 void 1116 setifdstaddr(addr, param) 1117 const char *addr; 1118 int param; 1119 { 1120 (*afp->af_getaddr)(addr, DSTADDR); 1121 } 1122 1123 void 1124 setifflags(vname, value) 1125 const char *vname; 1126 int value; 1127 { 1128 struct ifreq ifreq; 1129 1130 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1131 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1132 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1133 flags = ifreq.ifr_flags; 1134 1135 if (value < 0) { 1136 value = -value; 1137 flags &= ~value; 1138 } else 1139 flags |= value; 1140 ifreq.ifr_flags = flags; 1141 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1142 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1143 1144 reset_if_flags = 1; 1145 } 1146 1147 void 1148 setifcaps(vname, value) 1149 const char *vname; 1150 int value; 1151 { 1152 1153 if (value < 0) { 1154 value = -value; 1155 g_ifcr.ifcr_capenable &= ~value; 1156 } else 1157 g_ifcr.ifcr_capenable |= value; 1158 1159 g_ifcr_updated = 1; 1160 } 1161 1162 #ifdef INET6 1163 void 1164 setia6flags(vname, value) 1165 const char *vname; 1166 int value; 1167 { 1168 if (value < 0) { 1169 value = -value; 1170 in6_addreq.ifra_flags &= ~value; 1171 } else 1172 in6_addreq.ifra_flags |= value; 1173 } 1174 1175 void 1176 setia6pltime(val, d) 1177 const char *val; 1178 int d; 1179 { 1180 setia6lifetime("pltime", val); 1181 } 1182 1183 void 1184 setia6vltime(val, d) 1185 const char *val; 1186 int d; 1187 { 1188 setia6lifetime("vltime", val); 1189 } 1190 1191 void 1192 setia6lifetime(cmd, val) 1193 const char *cmd; 1194 const char *val; 1195 { 1196 time_t newval, t; 1197 char *ep; 1198 1199 t = time(NULL); 1200 newval = (time_t)strtoul(val, &ep, 0); 1201 if (val == ep) 1202 errx(1, "invalid %s", cmd); 1203 if (afp->af_af != AF_INET6) 1204 errx(1, "%s not allowed for the AF", cmd); 1205 if (strcmp(cmd, "vltime") == 0) { 1206 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1207 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1208 } else if (strcmp(cmd, "pltime") == 0) { 1209 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1210 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1211 } 1212 } 1213 #endif 1214 1215 void 1216 setifmetric(val, d) 1217 const char *val; 1218 int d; 1219 { 1220 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1221 ifr.ifr_metric = atoi(val); 1222 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1223 warn("SIOCSIFMETRIC"); 1224 } 1225 1226 void 1227 setifmtu(val, d) 1228 const char *val; 1229 int d; 1230 { 1231 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1232 ifr.ifr_mtu = atoi(val); 1233 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1234 warn("SIOCSIFMTU"); 1235 } 1236 1237 const char * 1238 get_string(val, sep, buf, lenp) 1239 const char *val, *sep; 1240 u_int8_t *buf; 1241 int *lenp; 1242 { 1243 int len; 1244 int hexstr; 1245 u_int8_t *p; 1246 1247 len = *lenp; 1248 p = buf; 1249 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1250 if (hexstr) 1251 val += 2; 1252 for (;;) { 1253 if (*val == '\0') 1254 break; 1255 if (sep != NULL && strchr(sep, *val) != NULL) { 1256 val++; 1257 break; 1258 } 1259 if (hexstr) { 1260 if (!isxdigit((u_char)val[0]) || 1261 !isxdigit((u_char)val[1])) { 1262 warnx("bad hexadecimal digits"); 1263 return NULL; 1264 } 1265 } 1266 if (p > buf + len) { 1267 if (hexstr) 1268 warnx("hexadecimal digits too long"); 1269 else 1270 warnx("strings too long"); 1271 return NULL; 1272 } 1273 if (hexstr) { 1274 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1275 *p++ = (tohex((u_char)val[0]) << 4) | 1276 tohex((u_char)val[1]); 1277 #undef tohex 1278 val += 2; 1279 } else 1280 *p++ = *val++; 1281 } 1282 len = p - buf; 1283 if (len < *lenp) 1284 memset(p, 0, *lenp - len); 1285 *lenp = len; 1286 return val; 1287 } 1288 1289 void 1290 print_string(buf, len) 1291 const u_int8_t *buf; 1292 int len; 1293 { 1294 int i; 1295 int hasspc; 1296 1297 i = 0; 1298 hasspc = 0; 1299 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1300 for (; i < len; i++) { 1301 if (!isprint(buf[i])) 1302 break; 1303 if (isspace(buf[i])) 1304 hasspc++; 1305 } 1306 } 1307 if (i == len) { 1308 if (hasspc || len == 0) 1309 printf("\"%.*s\"", len, buf); 1310 else 1311 printf("%.*s", len, buf); 1312 } else { 1313 printf("0x"); 1314 for (i = 0; i < len; i++) 1315 printf("%02x", buf[i]); 1316 } 1317 } 1318 1319 void 1320 setifnwid(val, d) 1321 const char *val; 1322 int d; 1323 { 1324 struct ieee80211_nwid nwid; 1325 int len; 1326 1327 len = sizeof(nwid.i_nwid); 1328 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1329 return; 1330 nwid.i_len = len; 1331 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1332 ifr.ifr_data = (caddr_t)&nwid; 1333 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1334 warn("SIOCS80211NWID"); 1335 } 1336 1337 void 1338 setifnwkey(val, d) 1339 const char *val; 1340 int d; 1341 { 1342 struct ieee80211_nwkey nwkey; 1343 int i; 1344 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1345 1346 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1347 nwkey.i_defkid = 1; 1348 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1349 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1350 nwkey.i_key[i].i_keydat = keybuf[i]; 1351 } 1352 if (d != 0) { 1353 /* disable WEP encryption */ 1354 nwkey.i_wepon = 0; 1355 i = 0; 1356 } else if (strcasecmp("persist", val) == 0) { 1357 /* use all values from persistent memory */ 1358 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1359 nwkey.i_defkid = 0; 1360 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1361 nwkey.i_key[i].i_keylen = -1; 1362 } else if (strncasecmp("persist:", val, 8) == 0) { 1363 val += 8; 1364 /* program keys in persistent memory */ 1365 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1366 goto set_nwkey; 1367 } else { 1368 set_nwkey: 1369 if (isdigit(val[0]) && val[1] == ':') { 1370 /* specifying a full set of four keys */ 1371 nwkey.i_defkid = val[0] - '0'; 1372 val += 2; 1373 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1374 val = get_string(val, ",", keybuf[i], 1375 &nwkey.i_key[i].i_keylen); 1376 if (val == NULL) 1377 return; 1378 } 1379 if (*val != '\0') { 1380 warnx("SIOCS80211NWKEY: too many keys."); 1381 return; 1382 } 1383 } else { 1384 val = get_string(val, NULL, keybuf[0], 1385 &nwkey.i_key[0].i_keylen); 1386 if (val == NULL) 1387 return; 1388 i = 1; 1389 } 1390 } 1391 for (; i < IEEE80211_WEP_NKID; i++) 1392 nwkey.i_key[i].i_keylen = 0; 1393 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1394 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1395 warn("SIOCS80211NWKEY"); 1396 } 1397 1398 void 1399 setifpowersave(val, d) 1400 const char *val; 1401 int d; 1402 { 1403 struct ieee80211_power power; 1404 1405 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1406 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1407 warn("SIOCG80211POWER"); 1408 return; 1409 } 1410 1411 power.i_enabled = d; 1412 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1413 warn("SIOCS80211POWER"); 1414 } 1415 1416 void 1417 setifpowersavesleep(val, d) 1418 const char *val; 1419 int d; 1420 { 1421 struct ieee80211_power power; 1422 1423 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1424 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1425 warn("SIOCG80211POWER"); 1426 return; 1427 } 1428 1429 power.i_maxsleep = atoi(val); 1430 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1431 warn("SIOCS80211POWER"); 1432 } 1433 1434 void 1435 ieee80211_status() 1436 { 1437 int i, nwkey_verbose; 1438 struct ieee80211_nwid nwid; 1439 struct ieee80211_nwkey nwkey; 1440 struct ieee80211_power power; 1441 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1442 1443 memset(&ifr, 0, sizeof(ifr)); 1444 ifr.ifr_data = (caddr_t)&nwid; 1445 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1446 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1447 return; 1448 if (nwid.i_len > IEEE80211_NWID_LEN) { 1449 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1450 return; 1451 } 1452 printf("\tnwid "); 1453 print_string(nwid.i_nwid, nwid.i_len); 1454 memset(&nwkey, 0, sizeof(nwkey)); 1455 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1456 /* show nwkey only when WEP is enabled */ 1457 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1458 nwkey.i_wepon == 0) { 1459 printf("\n"); 1460 goto skip_wep; 1461 } 1462 1463 printf(" nwkey "); 1464 /* try to retrieve WEP keys */ 1465 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1466 nwkey.i_key[i].i_keydat = keybuf[i]; 1467 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1468 } 1469 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1470 printf("*****"); 1471 } else { 1472 nwkey_verbose = 0; 1473 /* check to see non default key or multiple keys defined */ 1474 if (nwkey.i_defkid != 1) { 1475 nwkey_verbose = 1; 1476 } else { 1477 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1478 if (nwkey.i_key[i].i_keylen != 0) { 1479 nwkey_verbose = 1; 1480 break; 1481 } 1482 } 1483 } 1484 /* check extra ambiguity with keywords */ 1485 if (!nwkey_verbose) { 1486 if (nwkey.i_key[0].i_keylen >= 2 && 1487 isdigit(nwkey.i_key[0].i_keydat[0]) && 1488 nwkey.i_key[0].i_keydat[1] == ':') 1489 nwkey_verbose = 1; 1490 else if (nwkey.i_key[0].i_keylen >= 7 && 1491 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1492 == 0) 1493 nwkey_verbose = 1; 1494 } 1495 if (nwkey_verbose) 1496 printf("%d:", nwkey.i_defkid); 1497 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1498 if (i > 0) 1499 printf(","); 1500 if (nwkey.i_key[i].i_keylen < 0) 1501 printf("persist"); 1502 else 1503 print_string(nwkey.i_key[i].i_keydat, 1504 nwkey.i_key[i].i_keylen); 1505 if (!nwkey_verbose) 1506 break; 1507 } 1508 } 1509 printf("\n"); 1510 1511 skip_wep: 1512 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1513 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1514 return; 1515 printf("\tpowersave "); 1516 if (power.i_enabled) 1517 printf("on (%dms sleep)", power.i_maxsleep); 1518 else 1519 printf("off"); 1520 printf("\n"); 1521 } 1522 1523 void 1524 init_current_media() 1525 { 1526 struct ifmediareq ifmr; 1527 1528 /* 1529 * If we have not yet done so, grab the currently-selected 1530 * media. 1531 */ 1532 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1533 (void) memset(&ifmr, 0, sizeof(ifmr)); 1534 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1535 1536 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1537 /* 1538 * If we get E2BIG, the kernel is telling us 1539 * that there are more, so we can ignore it. 1540 */ 1541 if (errno != E2BIG) 1542 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1543 } 1544 1545 media_current = ifmr.ifm_current; 1546 } 1547 1548 /* Sanity. */ 1549 if (IFM_TYPE(media_current) == 0) 1550 errx(1, "%s: no link type?", name); 1551 } 1552 1553 void 1554 process_media_commands() 1555 { 1556 1557 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1558 /* Nothing to do. */ 1559 return; 1560 } 1561 1562 /* 1563 * Media already set up, and commands sanity-checked. Set/clear 1564 * any options, and we're ready to go. 1565 */ 1566 media_current |= mediaopt_set; 1567 media_current &= ~mediaopt_clear; 1568 1569 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1570 ifr.ifr_media = media_current; 1571 1572 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1573 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1574 } 1575 1576 void 1577 setmedia(val, d) 1578 const char *val; 1579 int d; 1580 { 1581 int type, subtype, inst; 1582 1583 init_current_media(); 1584 1585 /* Only one media command may be given. */ 1586 if (actions & A_MEDIA) 1587 errx(1, "only one `media' command may be issued"); 1588 1589 /* Must not come after mediaopt commands */ 1590 if (actions & A_MEDIAOPT) 1591 errx(1, "may not issue `media' after `mediaopt' commands"); 1592 1593 /* 1594 * No need to check if `instance' has been issued; setmediainst() 1595 * craps out if `media' has not been specified. 1596 */ 1597 1598 type = IFM_TYPE(media_current); 1599 inst = IFM_INST(media_current); 1600 1601 /* Look up the subtype. */ 1602 subtype = get_media_subtype(type, val); 1603 1604 /* Build the new current media word. */ 1605 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1606 1607 /* Media will be set after other processing is complete. */ 1608 } 1609 1610 void 1611 setmediaopt(val, d) 1612 const char *val; 1613 int d; 1614 { 1615 1616 init_current_media(); 1617 1618 /* Can only issue `mediaopt' once. */ 1619 if (actions & A_MEDIAOPTSET) 1620 errx(1, "only one `mediaopt' command may be issued"); 1621 1622 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1623 if (actions & A_MEDIAINST) 1624 errx(1, "may not issue `mediaopt' after `instance'"); 1625 1626 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1627 1628 /* Media will be set after other processing is complete. */ 1629 } 1630 1631 void 1632 unsetmediaopt(val, d) 1633 const char *val; 1634 int d; 1635 { 1636 1637 init_current_media(); 1638 1639 /* Can only issue `-mediaopt' once. */ 1640 if (actions & A_MEDIAOPTCLR) 1641 errx(1, "only one `-mediaopt' command may be issued"); 1642 1643 /* May not issue `media' and `-mediaopt'. */ 1644 if (actions & A_MEDIA) 1645 errx(1, "may not issue both `media' and `-mediaopt'"); 1646 1647 /* 1648 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1649 * implicitly checks for A_MEDIAINST. 1650 */ 1651 1652 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1653 1654 /* Media will be set after other processing is complete. */ 1655 } 1656 1657 void 1658 setmediainst(val, d) 1659 const char *val; 1660 int d; 1661 { 1662 int type, subtype, options, inst; 1663 1664 init_current_media(); 1665 1666 /* Can only issue `instance' once. */ 1667 if (actions & A_MEDIAINST) 1668 errx(1, "only one `instance' command may be issued"); 1669 1670 /* Must have already specified `media' */ 1671 if ((actions & A_MEDIA) == 0) 1672 errx(1, "must specify `media' before `instance'"); 1673 1674 type = IFM_TYPE(media_current); 1675 subtype = IFM_SUBTYPE(media_current); 1676 options = IFM_OPTIONS(media_current); 1677 1678 inst = atoi(val); 1679 if (inst < 0 || inst > IFM_INST_MAX) 1680 errx(1, "invalid media instance: %s", val); 1681 1682 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1683 1684 /* Media will be set after other processing is complete. */ 1685 } 1686 1687 struct ifmedia_description ifm_type_descriptions[] = 1688 IFM_TYPE_DESCRIPTIONS; 1689 1690 struct ifmedia_description ifm_subtype_descriptions[] = 1691 IFM_SUBTYPE_DESCRIPTIONS; 1692 1693 struct ifmedia_description ifm_option_descriptions[] = 1694 IFM_OPTION_DESCRIPTIONS; 1695 1696 const char * 1697 get_media_type_string(mword) 1698 int mword; 1699 { 1700 struct ifmedia_description *desc; 1701 1702 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1703 desc++) { 1704 if (IFM_TYPE(mword) == desc->ifmt_word) 1705 return (desc->ifmt_string); 1706 } 1707 return ("<unknown type>"); 1708 } 1709 1710 const char * 1711 get_media_subtype_string(mword) 1712 int mword; 1713 { 1714 struct ifmedia_description *desc; 1715 1716 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1717 desc++) { 1718 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1719 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1720 return (desc->ifmt_string); 1721 } 1722 return ("<unknown subtype>"); 1723 } 1724 1725 int 1726 get_media_subtype(type, val) 1727 int type; 1728 const char *val; 1729 { 1730 int rval; 1731 1732 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1733 if (rval == -1) 1734 errx(1, "unknown %s media subtype: %s", 1735 get_media_type_string(type), val); 1736 1737 return (rval); 1738 } 1739 1740 int 1741 get_media_options(type, val) 1742 int type; 1743 const char *val; 1744 { 1745 char *optlist, *str; 1746 int option, rval = 0; 1747 1748 /* We muck with the string, so copy it. */ 1749 optlist = strdup(val); 1750 if (optlist == NULL) 1751 err(EXIT_FAILURE, "strdup"); 1752 str = optlist; 1753 1754 /* 1755 * Look up the options in the user-provided comma-separated list. 1756 */ 1757 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1758 option = lookup_media_word(ifm_option_descriptions, type, str); 1759 if (option == -1) 1760 errx(1, "unknown %s media option: %s", 1761 get_media_type_string(type), str); 1762 rval |= IFM_OPTIONS(option); 1763 } 1764 1765 free(optlist); 1766 return (rval); 1767 } 1768 1769 int 1770 lookup_media_word(desc, type, val) 1771 struct ifmedia_description *desc; 1772 int type; 1773 const char *val; 1774 { 1775 1776 for (; desc->ifmt_string != NULL; desc++) { 1777 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1778 strcasecmp(desc->ifmt_string, val) == 0) 1779 return (desc->ifmt_word); 1780 } 1781 return (-1); 1782 } 1783 1784 void 1785 print_media_word(ifmw, print_type, as_syntax) 1786 int ifmw, print_type, as_syntax; 1787 { 1788 struct ifmedia_description *desc; 1789 int seen_option = 0; 1790 1791 if (print_type) 1792 printf("%s ", get_media_type_string(ifmw)); 1793 printf("%s%s", as_syntax ? "media " : "", 1794 get_media_subtype_string(ifmw)); 1795 1796 /* Find options. */ 1797 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1798 desc++) { 1799 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1800 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1801 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1802 if (seen_option == 0) 1803 printf(" %s", as_syntax ? "mediaopt " : ""); 1804 printf("%s%s", seen_option ? "," : "", 1805 desc->ifmt_string); 1806 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1807 } 1808 } 1809 if (IFM_INST(ifmw) != 0) 1810 printf(" instance %d", IFM_INST(ifmw)); 1811 } 1812 1813 int carrier() 1814 { 1815 struct ifmediareq ifmr; 1816 1817 (void) memset(&ifmr, 0, sizeof(ifmr)); 1818 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1819 1820 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1821 /* 1822 * Interface doesn't support SIOC{G,S}IFMEDIA; 1823 * assume ok. 1824 */ 1825 return 0; 1826 } 1827 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1828 /* 1829 * Interface doesn't report media-valid status. 1830 * assume ok. 1831 */ 1832 return 0; 1833 } 1834 /* otherwise, return ok for active, not-ok if not active. */ 1835 return !(ifmr.ifm_status & IFM_ACTIVE); 1836 } 1837 1838 1839 #define IFFBITS \ 1840 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1841 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1842 1843 #define IFCAPBITS \ 1844 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1845 1846 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1847 1848 const struct ifmedia_status_description ifm_status_descriptions[] = 1849 IFM_STATUS_DESCRIPTIONS; 1850 1851 /* 1852 * Print the status of the interface. If an address family was 1853 * specified, show it and it only; otherwise, show them all. 1854 */ 1855 void 1856 status(sdl) 1857 const struct sockaddr_dl *sdl; 1858 { 1859 struct afswtch *p = afp; 1860 struct ifmediareq ifmr; 1861 int *media_list, i; 1862 char hbuf[NI_MAXHOST]; 1863 1864 printf("%s: ", name); 1865 printb("flags", flags, IFFBITS); 1866 if (metric) 1867 printf(" metric %d", metric); 1868 if (mtu) 1869 printf(" mtu %d", mtu); 1870 putchar('\n'); 1871 1872 if (g_ifcr.ifcr_capabilities) { 1873 putchar('\t'); 1874 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1875 putchar('\n'); 1876 1877 putchar('\t'); 1878 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1879 putchar('\n'); 1880 } 1881 1882 ieee80211_status(); 1883 vlan_status(); 1884 tunnel_status(); 1885 1886 if (sdl != NULL && 1887 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1888 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1889 hbuf[0] != '\0') 1890 printf("\taddress: %s\n", hbuf); 1891 1892 (void) memset(&ifmr, 0, sizeof(ifmr)); 1893 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1894 1895 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1896 /* 1897 * Interface doesn't support SIOC{G,S}IFMEDIA. 1898 */ 1899 goto proto_status; 1900 } 1901 1902 if (ifmr.ifm_count == 0) { 1903 warnx("%s: no media types?", name); 1904 goto proto_status; 1905 } 1906 1907 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1908 if (media_list == NULL) 1909 err(EXIT_FAILURE, "malloc"); 1910 ifmr.ifm_ulist = media_list; 1911 1912 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 1913 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1914 1915 printf("\tmedia: "); 1916 print_media_word(ifmr.ifm_current, 1, 0); 1917 if (ifmr.ifm_active != ifmr.ifm_current) { 1918 putchar(' '); 1919 putchar('('); 1920 print_media_word(ifmr.ifm_active, 0, 0); 1921 putchar(')'); 1922 } 1923 putchar('\n'); 1924 1925 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1926 const struct ifmedia_status_description *ifms; 1927 int bitno, found = 0; 1928 1929 printf("\tstatus: "); 1930 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1931 for (ifms = ifm_status_descriptions; 1932 ifms->ifms_valid != 0; ifms++) { 1933 if (ifms->ifms_type != 1934 IFM_TYPE(ifmr.ifm_current) || 1935 ifms->ifms_valid != 1936 ifm_status_valid_list[bitno]) 1937 continue; 1938 printf("%s%s", found ? ", " : "", 1939 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1940 found = 1; 1941 1942 /* 1943 * For each valid indicator bit, there's 1944 * only one entry for each media type, so 1945 * terminate the inner loop now. 1946 */ 1947 break; 1948 } 1949 } 1950 1951 if (found == 0) 1952 printf("unknown"); 1953 putchar('\n'); 1954 } 1955 1956 if (mflag) { 1957 int type, printed_type; 1958 1959 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1960 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1961 if (IFM_TYPE(media_list[i]) == type) { 1962 if (printed_type == 0) { 1963 printf("\tsupported %s media:\n", 1964 get_media_type_string(type)); 1965 printed_type = 1; 1966 } 1967 printf("\t\t"); 1968 print_media_word(media_list[i], 0, 1); 1969 printf("\n"); 1970 } 1971 } 1972 } 1973 } 1974 1975 free(media_list); 1976 1977 proto_status: 1978 if ((p = afp) != NULL) { 1979 (*p->af_status)(1); 1980 } else for (p = afs; p->af_name; p++) { 1981 ifr.ifr_addr.sa_family = p->af_af; 1982 (*p->af_status)(0); 1983 } 1984 } 1985 1986 void 1987 tunnel_status() 1988 { 1989 char psrcaddr[NI_MAXHOST]; 1990 char pdstaddr[NI_MAXHOST]; 1991 const char *ver = ""; 1992 #ifdef NI_WITHSCOPEID 1993 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1994 #else 1995 const int niflag = NI_NUMERICHOST; 1996 #endif 1997 struct if_laddrreq req; 1998 1999 psrcaddr[0] = pdstaddr[0] = '\0'; 2000 2001 memset(&req, 0, sizeof(req)); 2002 strncpy(req.iflr_name, name, IFNAMSIZ); 2003 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2004 return; 2005 #ifdef INET6 2006 if (req.addr.ss_family == AF_INET6) 2007 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2008 #endif 2009 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2010 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2011 #ifdef INET6 2012 if (req.addr.ss_family == AF_INET6) 2013 ver = "6"; 2014 #endif 2015 2016 #ifdef INET6 2017 if (req.dstaddr.ss_family == AF_INET6) 2018 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2019 #endif 2020 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2021 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2022 2023 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2024 } 2025 2026 void 2027 vlan_status() 2028 { 2029 struct vlanreq vlr; 2030 2031 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2032 !isdigit(ifr.ifr_name[4])) 2033 return; 2034 2035 memset(&vlr, 0, sizeof(vlr)); 2036 ifr.ifr_data = (caddr_t)&vlr; 2037 2038 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2039 return; 2040 2041 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2042 printf("\tvlan: %d parent: %s\n", 2043 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2044 "<none>" : vlr.vlr_parent); 2045 } 2046 2047 void 2048 in_alias(creq) 2049 struct ifreq *creq; 2050 { 2051 struct sockaddr_in *iasin; 2052 int alias; 2053 2054 if (lflag) 2055 return; 2056 2057 alias = 1; 2058 2059 /* Get the non-alias address for this interface. */ 2060 getsock(AF_INET); 2061 if (s < 0) { 2062 if (errno == EPROTONOSUPPORT) 2063 return; 2064 err(EXIT_FAILURE, "socket"); 2065 } 2066 (void) memset(&ifr, 0, sizeof(ifr)); 2067 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2068 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2069 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2070 return; 2071 } else 2072 warn("SIOCGIFADDR"); 2073 } 2074 /* If creq and ifr are the same address, this is not an alias. */ 2075 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2076 sizeof(creq->ifr_addr)) == 0) 2077 alias = 0; 2078 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2079 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2080 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2081 sizeof(in_addreq.ifra_addr)); 2082 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2083 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2084 return; 2085 } else 2086 warn("SIOCGIFALIAS"); 2087 } 2088 2089 iasin = &in_addreq.ifra_addr; 2090 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2091 2092 if (flags & IFF_POINTOPOINT) { 2093 iasin = &in_addreq.ifra_dstaddr; 2094 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2095 } 2096 2097 iasin = &in_addreq.ifra_mask; 2098 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2099 2100 if (flags & IFF_BROADCAST) { 2101 iasin = &in_addreq.ifra_broadaddr; 2102 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2103 } 2104 printf("\n"); 2105 } 2106 2107 void 2108 in_status(force) 2109 int force; 2110 { 2111 struct ifaddrs *ifap, *ifa; 2112 struct ifreq isifr; 2113 2114 if (getifaddrs(&ifap) != 0) 2115 err(EXIT_FAILURE, "getifaddrs"); 2116 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2117 if (strcmp(name, ifa->ifa_name) != 0) 2118 continue; 2119 if (ifa->ifa_addr->sa_family != AF_INET) 2120 continue; 2121 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2122 continue; 2123 2124 memset(&isifr, 0, sizeof(isifr)); 2125 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2126 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2127 in_alias(&isifr); 2128 } 2129 freeifaddrs(ifap); 2130 } 2131 2132 void 2133 setifprefixlen(addr, d) 2134 const char *addr; 2135 int d; 2136 { 2137 if (*afp->af_getprefix) 2138 (*afp->af_getprefix)(addr, MASK); 2139 explicit_prefix = 1; 2140 } 2141 2142 #ifdef INET6 2143 void 2144 in6_fillscopeid(sin6) 2145 struct sockaddr_in6 *sin6; 2146 { 2147 #if defined(__KAME__) && defined(KAME_SCOPEID) 2148 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2149 sin6->sin6_scope_id = 2150 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2151 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2152 } 2153 #endif 2154 } 2155 2156 /* XXX not really an alias */ 2157 void 2158 in6_alias(creq) 2159 struct in6_ifreq *creq; 2160 { 2161 struct sockaddr_in6 *sin6; 2162 char hbuf[NI_MAXHOST]; 2163 u_int32_t scopeid; 2164 #ifdef NI_WITHSCOPEID 2165 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2166 #else 2167 const int niflag = NI_NUMERICHOST; 2168 #endif 2169 2170 /* Get the non-alias address for this interface. */ 2171 getsock(AF_INET6); 2172 if (s < 0) { 2173 if (errno == EPROTONOSUPPORT) 2174 return; 2175 err(EXIT_FAILURE, "socket"); 2176 } 2177 2178 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2179 2180 in6_fillscopeid(sin6); 2181 scopeid = sin6->sin6_scope_id; 2182 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2183 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2184 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2185 printf("\tinet6 %s", hbuf); 2186 2187 if (flags & IFF_POINTOPOINT) { 2188 (void) memset(&ifr6, 0, sizeof(ifr6)); 2189 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2190 ifr6.ifr_addr = creq->ifr_addr; 2191 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2192 if (errno != EADDRNOTAVAIL) 2193 warn("SIOCGIFDSTADDR_IN6"); 2194 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2195 ifr6.ifr_addr.sin6_family = AF_INET6; 2196 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2197 } 2198 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2199 in6_fillscopeid(sin6); 2200 hbuf[0] = '\0'; 2201 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2202 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2203 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2204 printf(" -> %s", hbuf); 2205 } 2206 2207 (void) memset(&ifr6, 0, sizeof(ifr6)); 2208 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2209 ifr6.ifr_addr = creq->ifr_addr; 2210 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2211 if (errno != EADDRNOTAVAIL) 2212 warn("SIOCGIFNETMASK_IN6"); 2213 } else { 2214 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2215 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2216 sizeof(struct in6_addr))); 2217 } 2218 2219 (void) memset(&ifr6, 0, sizeof(ifr6)); 2220 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2221 ifr6.ifr_addr = creq->ifr_addr; 2222 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2223 if (errno != EADDRNOTAVAIL) 2224 warn("SIOCGIFAFLAG_IN6"); 2225 } else { 2226 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2227 printf(" anycast"); 2228 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2229 printf(" tentative"); 2230 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2231 printf(" duplicated"); 2232 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2233 printf(" detached"); 2234 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2235 printf(" deprecated"); 2236 } 2237 2238 if (scopeid) 2239 printf(" scopeid 0x%x", scopeid); 2240 2241 if (Lflag) { 2242 struct in6_addrlifetime *lifetime; 2243 (void) memset(&ifr6, 0, sizeof(ifr6)); 2244 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2245 ifr6.ifr_addr = creq->ifr_addr; 2246 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2247 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2248 if (errno != EADDRNOTAVAIL) 2249 warn("SIOCGIFALIFETIME_IN6"); 2250 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2251 time_t t = time(NULL); 2252 printf(" pltime "); 2253 if (lifetime->ia6t_preferred) { 2254 printf("%s", lifetime->ia6t_preferred < t 2255 ? "0" 2256 : sec2str(lifetime->ia6t_preferred - t)); 2257 } else 2258 printf("infty"); 2259 2260 printf(" vltime "); 2261 if (lifetime->ia6t_expire) { 2262 printf("%s", lifetime->ia6t_expire < t 2263 ? "0" 2264 : sec2str(lifetime->ia6t_expire - t)); 2265 } else 2266 printf("infty"); 2267 } 2268 } 2269 2270 printf("\n"); 2271 } 2272 2273 void 2274 in6_status(force) 2275 int force; 2276 { 2277 struct ifaddrs *ifap, *ifa; 2278 struct in6_ifreq isifr; 2279 2280 if (getifaddrs(&ifap) != 0) 2281 err(EXIT_FAILURE, "getifaddrs"); 2282 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2283 if (strcmp(name, ifa->ifa_name) != 0) 2284 continue; 2285 if (ifa->ifa_addr->sa_family != AF_INET6) 2286 continue; 2287 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2288 continue; 2289 2290 memset(&isifr, 0, sizeof(isifr)); 2291 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2292 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2293 in6_alias(&isifr); 2294 } 2295 freeifaddrs(ifap); 2296 } 2297 #endif /*INET6*/ 2298 2299 #ifndef INET_ONLY 2300 2301 void 2302 at_status(force) 2303 int force; 2304 { 2305 struct sockaddr_at *sat, null_sat; 2306 struct netrange *nr; 2307 2308 getsock(AF_APPLETALK); 2309 if (s < 0) { 2310 if (errno == EPROTONOSUPPORT) 2311 return; 2312 err(EXIT_FAILURE, "socket"); 2313 } 2314 (void) memset(&ifr, 0, sizeof(ifr)); 2315 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2316 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2317 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2318 if (!force) 2319 return; 2320 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2321 } else 2322 warn("SIOCGIFADDR"); 2323 } 2324 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2325 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2326 2327 (void) memset(&null_sat, 0, sizeof(null_sat)); 2328 2329 nr = (struct netrange *) &sat->sat_zero; 2330 printf("\tatalk %d.%d range %d-%d phase %d", 2331 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2332 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2333 if (flags & IFF_POINTOPOINT) { 2334 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2335 if (errno == EADDRNOTAVAIL) 2336 (void) memset(&ifr.ifr_addr, 0, 2337 sizeof(ifr.ifr_addr)); 2338 else 2339 warn("SIOCGIFDSTADDR"); 2340 } 2341 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2342 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2343 if (!sat) 2344 sat = &null_sat; 2345 printf("--> %d.%d", 2346 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2347 } 2348 if (flags & IFF_BROADCAST) { 2349 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2350 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2351 if (sat) 2352 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2353 sat->sat_addr.s_node); 2354 } 2355 putchar('\n'); 2356 } 2357 2358 void 2359 xns_status(force) 2360 int force; 2361 { 2362 struct sockaddr_ns *sns; 2363 2364 getsock(AF_NS); 2365 if (s < 0) { 2366 if (errno == EPROTONOSUPPORT) 2367 return; 2368 err(EXIT_FAILURE, "socket"); 2369 } 2370 (void) memset(&ifr, 0, sizeof(ifr)); 2371 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2372 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2373 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2374 if (!force) 2375 return; 2376 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2377 } else 2378 warn("SIOCGIFADDR"); 2379 } 2380 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2381 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2382 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2383 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2384 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2385 if (errno == EADDRNOTAVAIL) 2386 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2387 else 2388 warn("SIOCGIFDSTADDR"); 2389 } 2390 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2391 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2392 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2393 } 2394 putchar('\n'); 2395 } 2396 2397 void 2398 iso_status(force) 2399 int force; 2400 { 2401 struct sockaddr_iso *siso; 2402 struct iso_ifreq isoifr; 2403 2404 getsock(AF_ISO); 2405 if (s < 0) { 2406 if (errno == EPROTONOSUPPORT) 2407 return; 2408 err(EXIT_FAILURE, "socket"); 2409 } 2410 (void) memset(&isoifr, 0, sizeof(isoifr)); 2411 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2412 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2413 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2414 if (!force) 2415 return; 2416 (void) memset(&isoifr.ifr_Addr, 0, 2417 sizeof(isoifr.ifr_Addr)); 2418 } else 2419 warn("SIOCGIFADDR_ISO"); 2420 } 2421 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2422 siso = &isoifr.ifr_Addr; 2423 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2424 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2425 if (errno == EADDRNOTAVAIL) 2426 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2427 else 2428 warn("SIOCGIFNETMASK_ISO"); 2429 } else { 2430 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2431 siso->siso_addr.isoa_len = siso->siso_len 2432 - offsetof(struct sockaddr_iso, siso_addr); 2433 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2434 } 2435 if (flags & IFF_POINTOPOINT) { 2436 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2437 if (errno == EADDRNOTAVAIL) 2438 memset(&isoifr.ifr_Addr, 0, 2439 sizeof(isoifr.ifr_Addr)); 2440 else 2441 warn("SIOCGIFDSTADDR_ISO"); 2442 } 2443 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2444 siso = &isoifr.ifr_Addr; 2445 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2446 } 2447 putchar('\n'); 2448 } 2449 2450 #endif /* INET_ONLY */ 2451 2452 #define SIN(x) ((struct sockaddr_in *) &(x)) 2453 struct sockaddr_in *sintab[] = { 2454 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2455 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2456 2457 void 2458 in_getaddr(str, which) 2459 const char *str; 2460 int which; 2461 { 2462 struct sockaddr_in *gasin = sintab[which]; 2463 struct hostent *hp; 2464 struct netent *np; 2465 2466 gasin->sin_len = sizeof(*gasin); 2467 if (which != MASK) 2468 gasin->sin_family = AF_INET; 2469 2470 if (which == ADDR) { 2471 char *p = NULL; 2472 if ((p = strrchr(str, '/')) != NULL) { 2473 *p = '\0'; 2474 in_getprefix(p + 1, MASK); 2475 } 2476 } 2477 2478 if (inet_aton(str, &gasin->sin_addr) == 0) { 2479 if ((hp = gethostbyname(str)) != NULL) 2480 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2481 else if ((np = getnetbyname(str)) != NULL) 2482 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2483 else 2484 errx(1, "%s: bad value", str); 2485 } 2486 } 2487 2488 void 2489 in_getprefix(plen, which) 2490 const char *plen; 2491 int which; 2492 { 2493 register struct sockaddr_in *igsin = sintab[which]; 2494 register u_char *cp; 2495 int len = strtol(plen, (char **)NULL, 10); 2496 2497 if ((len < 0) || (len > 32)) 2498 errx(1, "%s: bad value", plen); 2499 igsin->sin_len = sizeof(*igsin); 2500 if (which != MASK) 2501 igsin->sin_family = AF_INET; 2502 if ((len == 0) || (len == 32)) { 2503 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2504 return; 2505 } 2506 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2507 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2508 *cp++ = 0xff; 2509 if (len) 2510 *cp = 0xff << (8 - len); 2511 } 2512 2513 /* 2514 * Print a value a la the %b format of the kernel's printf 2515 */ 2516 void 2517 printb(str, v, bits) 2518 const char *str; 2519 unsigned short v; 2520 const char *bits; 2521 { 2522 int i, any = 0; 2523 char c; 2524 2525 if (bits && *bits == 8) 2526 printf("%s=%o", str, v); 2527 else 2528 printf("%s=%x", str, v); 2529 bits++; 2530 if (bits) { 2531 putchar('<'); 2532 while ((i = *bits++) != 0) { 2533 if (v & (1 << (i-1))) { 2534 if (any) 2535 putchar(','); 2536 any = 1; 2537 for (; (c = *bits) > 32; bits++) 2538 putchar(c); 2539 } else 2540 for (; *bits > 32; bits++) 2541 ; 2542 } 2543 putchar('>'); 2544 } 2545 } 2546 2547 #ifdef INET6 2548 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2549 struct sockaddr_in6 *sin6tab[] = { 2550 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2551 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2552 2553 void 2554 in6_getaddr(str, which) 2555 const char *str; 2556 int which; 2557 { 2558 #if defined(__KAME__) && defined(KAME_SCOPEID) 2559 struct sockaddr_in6 *sin6 = sin6tab[which]; 2560 struct addrinfo hints, *res; 2561 int error; 2562 2563 memset(&hints, 0, sizeof(hints)); 2564 hints.ai_family = AF_INET6; 2565 hints.ai_socktype = SOCK_DGRAM; 2566 #if 0 /* in_getaddr() allows FQDN */ 2567 hints.ai_flags = AI_NUMERICHOST; 2568 #endif 2569 error = getaddrinfo(str, "0", &hints, &res); 2570 if (error) 2571 errx(1, "%s: %s", str, gai_strerror(error)); 2572 if (res->ai_next) 2573 errx(1, "%s: resolved to multiple hosts", str); 2574 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2575 errx(1, "%s: bad value", str); 2576 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2577 freeaddrinfo(res); 2578 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2579 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2580 htons(sin6->sin6_scope_id); 2581 sin6->sin6_scope_id = 0; 2582 } 2583 #else 2584 struct sockaddr_in6 *gasin = sin6tab[which]; 2585 2586 gasin->sin6_len = sizeof(*gasin); 2587 if (which != MASK) 2588 gasin->sin6_family = AF_INET6; 2589 2590 if (which == ADDR) { 2591 char *p = NULL; 2592 if((p = strrchr(str, '/')) != NULL) { 2593 *p = '\0'; 2594 in6_getprefix(p + 1, MASK); 2595 explicit_prefix = 1; 2596 } 2597 } 2598 2599 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2600 errx(1, "%s: bad value", str); 2601 #endif 2602 } 2603 2604 void 2605 in6_getprefix(plen, which) 2606 const char *plen; 2607 int which; 2608 { 2609 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2610 register u_char *cp; 2611 int len = strtol(plen, (char **)NULL, 10); 2612 2613 if ((len < 0) || (len > 128)) 2614 errx(1, "%s: bad value", plen); 2615 gpsin->sin6_len = sizeof(*gpsin); 2616 if (which != MASK) 2617 gpsin->sin6_family = AF_INET6; 2618 if ((len == 0) || (len == 128)) { 2619 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2620 return; 2621 } 2622 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2623 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2624 *cp++ = 0xff; 2625 if (len) 2626 *cp = 0xff << (8 - len); 2627 } 2628 2629 int 2630 prefix(val, size) 2631 void *val; 2632 int size; 2633 { 2634 register u_char *pname = (u_char *)val; 2635 register int byte, bit, plen = 0; 2636 2637 for (byte = 0; byte < size; byte++, plen += 8) 2638 if (pname[byte] != 0xff) 2639 break; 2640 if (byte == size) 2641 return (plen); 2642 for (bit = 7; bit != 0; bit--, plen++) 2643 if (!(pname[byte] & (1 << bit))) 2644 break; 2645 for (; bit != 0; bit--) 2646 if (pname[byte] & (1 << bit)) 2647 return(0); 2648 byte++; 2649 for (; byte < size; byte++) 2650 if (pname[byte]) 2651 return(0); 2652 return (plen); 2653 } 2654 #endif /*INET6*/ 2655 2656 #ifndef INET_ONLY 2657 void 2658 at_getaddr(addr, which) 2659 const char *addr; 2660 int which; 2661 { 2662 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2663 u_int net, node; 2664 2665 sat->sat_family = AF_APPLETALK; 2666 sat->sat_len = sizeof(*sat); 2667 if (which == MASK) 2668 errx(1, "AppleTalk does not use netmasks\n"); 2669 if (sscanf(addr, "%u.%u", &net, &node) != 2 2670 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2671 errx(1, "%s: illegal address", addr); 2672 sat->sat_addr.s_net = htons(net); 2673 sat->sat_addr.s_node = node; 2674 } 2675 2676 void 2677 setatrange(range, d) 2678 const char *range; 2679 int d; 2680 { 2681 u_short first = 123, last = 123; 2682 2683 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2684 || first == 0 || first > 0xffff 2685 || last == 0 || last > 0xffff || first > last) 2686 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2687 at_nr.nr_firstnet = htons(first); 2688 at_nr.nr_lastnet = htons(last); 2689 } 2690 2691 void 2692 setatphase(phase, d) 2693 const char *phase; 2694 int d; 2695 { 2696 if (!strcmp(phase, "1")) 2697 at_nr.nr_phase = 1; 2698 else if (!strcmp(phase, "2")) 2699 at_nr.nr_phase = 2; 2700 else 2701 errx(1, "%s: illegal phase", phase); 2702 } 2703 2704 void 2705 checkatrange(sat) 2706 struct sockaddr_at *sat; 2707 { 2708 if (at_nr.nr_phase == 0) 2709 at_nr.nr_phase = 2; /* Default phase 2 */ 2710 if (at_nr.nr_firstnet == 0) 2711 at_nr.nr_firstnet = /* Default range of one */ 2712 at_nr.nr_lastnet = sat->sat_addr.s_net; 2713 printf("\tatalk %d.%d range %d-%d phase %d\n", 2714 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2715 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2716 if ((u_short) ntohs(at_nr.nr_firstnet) > 2717 (u_short) ntohs(sat->sat_addr.s_net) 2718 || (u_short) ntohs(at_nr.nr_lastnet) < 2719 (u_short) ntohs(sat->sat_addr.s_net)) 2720 errx(1, "AppleTalk address is not in range"); 2721 *((struct netrange *) &sat->sat_zero) = at_nr; 2722 } 2723 2724 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2725 struct sockaddr_ns *snstab[] = { 2726 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2727 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2728 2729 void 2730 xns_getaddr(addr, which) 2731 const char *addr; 2732 int which; 2733 { 2734 struct sockaddr_ns *sns = snstab[which]; 2735 2736 sns->sns_family = AF_NS; 2737 sns->sns_len = sizeof(*sns); 2738 sns->sns_addr = ns_addr(addr); 2739 if (which == MASK) 2740 puts("Attempt to set XNS netmask will be ineffectual"); 2741 } 2742 2743 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2744 struct sockaddr_iso *sisotab[] = { 2745 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2746 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2747 2748 void 2749 iso_getaddr(addr, which) 2750 const char *addr; 2751 int which; 2752 { 2753 struct sockaddr_iso *siso = sisotab[which]; 2754 siso->siso_addr = *iso_addr(addr); 2755 2756 if (which == MASK) { 2757 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2758 siso->siso_nlen = 0; 2759 } else { 2760 siso->siso_len = sizeof(*siso); 2761 siso->siso_family = AF_ISO; 2762 } 2763 } 2764 2765 void 2766 setsnpaoffset(val, d) 2767 const char *val; 2768 int d; 2769 { 2770 iso_addreq.ifra_snpaoffset = atoi(val); 2771 } 2772 2773 void 2774 setnsellength(val, d) 2775 const char *val; 2776 int d; 2777 { 2778 nsellength = atoi(val); 2779 if (nsellength < 0) 2780 errx(1, "Negative NSEL length is absurd"); 2781 if (afp == 0 || afp->af_af != AF_ISO) 2782 errx(1, "Setting NSEL length valid only for iso"); 2783 } 2784 2785 void 2786 fixnsel(siso) 2787 struct sockaddr_iso *siso; 2788 { 2789 if (siso->siso_family == 0) 2790 return; 2791 siso->siso_tlen = nsellength; 2792 } 2793 2794 void 2795 adjust_nsellength() 2796 { 2797 fixnsel(sisotab[RIDADDR]); 2798 fixnsel(sisotab[ADDR]); 2799 fixnsel(sisotab[DSTADDR]); 2800 } 2801 2802 #endif /* INET_ONLY */ 2803 2804 void 2805 usage() 2806 { 2807 const char *progname = getprogname(); 2808 2809 fprintf(stderr, 2810 "usage: %s [ -m ] " 2811 #ifdef INET6 2812 "[ -L ] " 2813 #endif 2814 "interface\n" 2815 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2816 "\t\t[ alias | -alias ] ]\n" 2817 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2818 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2819 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2820 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2821 "\t[ arp | -arp ]\n" 2822 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2823 "[ instance minst ]\n" 2824 "\t[ vlan n vlanif i ]\n" 2825 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2826 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2827 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2828 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2829 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2830 " %s -C\n" 2831 " %s interface create\n" 2832 " %s interface destroy\n", 2833 progname, progname, progname, progname, progname, progname); 2834 exit(1); 2835 } 2836 2837 #ifdef INET6 2838 char * 2839 sec2str(total) 2840 time_t total; 2841 { 2842 static char result[256]; 2843 int days, hours, mins, secs; 2844 int first = 1; 2845 char *p = result; 2846 char *end = &result[sizeof(result)]; 2847 int n; 2848 2849 if (0) { /*XXX*/ 2850 days = total / 3600 / 24; 2851 hours = (total / 3600) % 24; 2852 mins = (total / 60) % 60; 2853 secs = total % 60; 2854 2855 if (days) { 2856 first = 0; 2857 n = snprintf(p, end - p, "%dd", days); 2858 if (n < 0 || n >= end - p) 2859 return(result); 2860 p += n; 2861 } 2862 if (!first || hours) { 2863 first = 0; 2864 n = snprintf(p, end - p, "%dh", hours); 2865 if (n < 0 || n >= end - p) 2866 return(result); 2867 p += n; 2868 } 2869 if (!first || mins) { 2870 first = 0; 2871 n = snprintf(p, end - p, "%dm", mins); 2872 if (n < 0 || n >= end - p) 2873 return(result); 2874 p += n; 2875 } 2876 snprintf(p, end - p, "%ds", secs); 2877 } else 2878 snprintf(p, end - p, "%lu", (u_long)total); 2879 2880 return(result); 2881 } 2882 #endif 2883
Indexes created Tue Sep 30 06:09:59 GMT 2025