ifconfig.c revision 1.120
1 /* $NetBSD: ifconfig.c,v 1.120 2001/10/24 22:10:15 atatat 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 1.120 2001/10/24 22:10:15 atatat 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 #if 0 277 /* XXX `create' special-cased below */ 278 { "create", 0, 0, clone_create } , 279 #endif 280 { "destroy", 0, 0, clone_destroy } , 281 { "link0", IFF_LINK0, 0, setifflags } , 282 { "-link0", -IFF_LINK0, 0, setifflags } , 283 { "link1", IFF_LINK1, 0, setifflags } , 284 { "-link1", -IFF_LINK1, 0, setifflags } , 285 { "link2", IFF_LINK2, 0, setifflags } , 286 { "-link2", -IFF_LINK2, 0, setifflags } , 287 { "media", NEXTARG, A_MEDIA, setmedia }, 288 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 289 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 290 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 291 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 292 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 293 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 294 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 295 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 296 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 297 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 298 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 299 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 300 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 301 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 302 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 303 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 304 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 305 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 306 { 0, 0, 0, setifaddr }, 307 { 0, 0, 0, setifdstaddr }, 308 }; 309 310 void adjust_nsellength __P((void)); 311 int getinfo __P((struct ifreq *)); 312 int carrier __P((void)); 313 void getsock __P((int)); 314 void printall __P((const char *)); 315 void list_cloners __P((void)); 316 void printb __P((const char *, unsigned short, const char *)); 317 int prefix __P((void *, int)); 318 void status __P((const struct sockaddr_dl *)); 319 void usage __P((void)); 320 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 321 void print_string __P((const u_int8_t *, int)); 322 char *sec2str __P((time_t)); 323 324 const char *get_media_type_string __P((int)); 325 const char *get_media_subtype_string __P((int)); 326 int get_media_subtype __P((int, const char *)); 327 int get_media_options __P((int, const char *)); 328 int lookup_media_word __P((struct ifmedia_description *, int, 329 const char *)); 330 void print_media_word __P((int, int, int)); 331 void process_media_commands __P((void)); 332 void init_current_media __P((void)); 333 334 /* 335 * XNS support liberally adapted from code written at the University of 336 * Maryland principally by James O'Toole and Chris Torek. 337 */ 338 void in_alias __P((struct ifreq *)); 339 void in_status __P((int)); 340 void in_getaddr __P((const char *, int)); 341 void in_getprefix __P((const char *, int)); 342 #ifdef INET6 343 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 344 void in6_alias __P((struct in6_ifreq *)); 345 void in6_status __P((int)); 346 void in6_getaddr __P((const char *, int)); 347 void in6_getprefix __P((const char *, int)); 348 #endif 349 void at_status __P((int)); 350 void at_getaddr __P((const char *, int)); 351 void xns_status __P((int)); 352 void xns_getaddr __P((const char *, int)); 353 void iso_status __P((int)); 354 void iso_getaddr __P((const char *, int)); 355 356 void ieee80211_status __P((void)); 357 void tunnel_status __P((void)); 358 void vlan_status __P((void)); 359 360 /* Known address families */ 361 struct afswtch { 362 const char *af_name; 363 short af_af; 364 void (*af_status) __P((int)); 365 void (*af_getaddr) __P((const char *, int)); 366 void (*af_getprefix) __P((const char *, int)); 367 u_long af_difaddr; 368 u_long af_aifaddr; 369 u_long af_gifaddr; 370 caddr_t af_ridreq; 371 caddr_t af_addreq; 372 } afs[] = { 373 #define C(x) ((caddr_t) &x) 374 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 375 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 376 #ifdef INET6 377 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 378 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 379 /* 380 * Deleting the first address before setting new one is 381 * not prefered way in this protocol. 382 */ 383 0, 384 C(in6_ridreq), C(in6_addreq) }, 385 #endif 386 #ifndef INET_ONLY /* small version, for boot media */ 387 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 388 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 389 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 390 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 391 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 392 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 393 C(iso_ridreq), C(iso_addreq) }, 394 #endif /* INET_ONLY */ 395 { 0, 0, 0, 0 } 396 }; 397 398 struct afswtch *afp; /*the address family being set or asked about*/ 399 400 struct afswtch *lookup_af __P((const char *)); 401 402 int 403 main(argc, argv) 404 int argc; 405 char *argv[]; 406 { 407 struct ifreq ifreq; 408 int ch; 409 410 /* Parse command-line options */ 411 aflag = mflag = 0; 412 while ((ch = getopt(argc, argv, "AabCdlmsu" 413 #ifdef INET6 414 "L" 415 #endif 416 )) != -1) { 417 switch (ch) { 418 case 'A': 419 warnx("-A is deprecated"); 420 break; 421 422 case 'a': 423 aflag = 1; 424 break; 425 426 case 'b': 427 bflag = 1; 428 break; 429 430 431 case 'C': 432 Cflag = 1; 433 break; 434 435 case 'd': 436 dflag = 1; 437 break; 438 439 #ifdef INET6 440 case 'L': 441 Lflag = 1; 442 break; 443 #endif 444 445 case 'l': 446 lflag = 1; 447 break; 448 449 case 'm': 450 mflag = 1; 451 break; 452 453 case 's': 454 sflag = 1; 455 break; 456 457 case 'u': 458 uflag = 1; 459 break; 460 461 462 default: 463 usage(); 464 /* NOTREACHED */ 465 } 466 } 467 argc -= optind; 468 argv += optind; 469 470 /* 471 * -l means "list all interfaces", and is mutally exclusive with 472 * all other flags/commands. 473 * 474 * -C means "list all names of cloners", and it mutually exclusive 475 * with all other flags/commands. 476 * 477 * -a means "print status of all interfaces". 478 */ 479 if ((lflag || Cflag) && (aflag || mflag || argc)) 480 usage(); 481 #ifdef INET6 482 if ((lflag || Cflag) && Lflag) 483 usage(); 484 #endif 485 if (lflag && Cflag) 486 usage(); 487 if (Cflag) { 488 if (argc) 489 usage(); 490 list_cloners(); 491 exit(0); 492 } 493 if (aflag || lflag) { 494 if (argc > 1) 495 usage(); 496 else if (argc == 1) { 497 afp = lookup_af(argv[0]); 498 if (afp == NULL) 499 usage(); 500 } 501 if (afp) 502 af = ifr.ifr_addr.sa_family = afp->af_af; 503 else 504 af = ifr.ifr_addr.sa_family = afs[0].af_af; 505 printall(NULL); 506 exit(0); 507 } 508 509 /* Make sure there's an interface name. */ 510 if (argc < 1) 511 usage(); 512 (void) strncpy(name, argv[0], sizeof(name)); 513 argc--; argv++; 514 515 /* 516 * NOTE: We must special-case the `create' command right 517 * here as we would otherwise fail in getinfo(). 518 */ 519 if (argc > 0 && strcmp(argv[0], "create") == 0) { 520 clone_create(argv[0], 0); 521 argc--, argv++; 522 if (argc == 0) 523 exit(0); 524 } 525 526 /* Check for address family. */ 527 afp = NULL; 528 if (argc > 0) { 529 afp = lookup_af(argv[0]); 530 if (afp != NULL) { 531 argv++; 532 argc--; 533 } 534 } 535 536 /* Initialize af, just for use in getinfo(). */ 537 if (afp == NULL) 538 af = afs->af_af; 539 else 540 af = afp->af_af; 541 542 /* Get information about the interface. */ 543 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 544 if (getinfo(&ifr) < 0) 545 exit(1); 546 547 if (sflag) { 548 if (argc != 0) 549 usage(); 550 else 551 exit(carrier()); 552 } 553 554 /* No more arguments means interface status. */ 555 if (argc == 0) { 556 printall(name); 557 exit(0); 558 } 559 560 /* The following operations assume inet family as the default. */ 561 if (afp == NULL) 562 afp = afs; 563 af = ifr.ifr_addr.sa_family = afp->af_af; 564 565 #ifdef INET6 566 /* initialization */ 567 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 568 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 569 #endif 570 571 /* Process commands. */ 572 while (argc > 0) { 573 const struct cmd *p; 574 575 for (p = cmds; p->c_name; p++) 576 if (strcmp(argv[0], p->c_name) == 0) 577 break; 578 if (p->c_name == 0 && setaddr) { 579 if ((flags & IFF_POINTOPOINT) == 0) { 580 errx(1, "can't set destination address %s", 581 "on non-point-to-point link"); 582 } 583 p++; /* got src, do dst */ 584 } 585 if (p->c_func != NULL || p->c_func2 != NULL) { 586 if (p->c_parameter == NEXTARG) { 587 if (argc < 2) 588 errx(1, "'%s' requires argument", 589 p->c_name); 590 (*p->c_func)(argv[1], 0); 591 argc--, argv++; 592 } else if (p->c_parameter == NEXTARG2) { 593 if (argc < 3) 594 errx(1, "'%s' requires 2 arguments", 595 p->c_name); 596 (*p->c_func2)(argv[1], argv[2]); 597 argc -= 2, argv += 2; 598 } else 599 (*p->c_func)(argv[0], p->c_parameter); 600 actions |= p->c_action; 601 } 602 argc--, argv++; 603 } 604 605 /* 606 * See if multiple alias, -alias, or delete commands were 607 * specified. More than one constitutes an invalid command line 608 */ 609 610 if (conflicting > 1) 611 err(EXIT_FAILURE, 612 "Only one use of alias, -alias or delete is valid."); 613 614 /* Process any media commands that may have been issued. */ 615 process_media_commands(); 616 617 if (af == AF_INET6 && explicit_prefix == 0) { 618 /* 619 * Aggregatable address architecture defines all prefixes 620 * are 64. So, it is convenient to set prefixlen to 64 if 621 * it is not specified. 622 */ 623 setifprefixlen("64", 0); 624 /* in6_getprefix("64", MASK) if MASK is available here... */ 625 } 626 627 #ifndef INET_ONLY 628 if (af == AF_ISO) 629 adjust_nsellength(); 630 631 if (af == AF_APPLETALK) 632 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 633 634 if (setipdst && af==AF_NS) { 635 struct nsip_req rq; 636 int size = sizeof(rq); 637 638 rq.rq_ns = addreq.ifra_addr; 639 rq.rq_ip = addreq.ifra_dstaddr; 640 641 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 642 warn("encapsulation routing"); 643 } 644 645 #endif /* INET_ONLY */ 646 647 if (clearaddr) { 648 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 649 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 650 err(EXIT_FAILURE, "SIOCDIFADDR"); 651 } 652 if (newaddr > 0) { 653 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 654 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 655 warn("SIOCAIFADDR"); 656 } 657 658 if (g_ifcr_updated) { 659 (void) strncpy(g_ifcr.ifcr_name, name, 660 sizeof(g_ifcr.ifcr_name)); 661 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 662 err(EXIT_FAILURE, "SIOCSIFCAP"); 663 } 664 665 if (reset_if_flags) { 666 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 667 ifreq.ifr_flags = flags; 668 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 669 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 670 } 671 exit(0); 672 } 673 674 struct afswtch * 675 lookup_af(cp) 676 const char *cp; 677 { 678 struct afswtch *a; 679 680 for (a = afs; a->af_name != NULL; a++) 681 if (strcmp(a->af_name, cp) == 0) 682 return (a); 683 return (NULL); 684 } 685 686 void 687 getsock(naf) 688 int naf; 689 { 690 static int oaf = -1; 691 692 if (oaf == naf) 693 return; 694 if (oaf != -1) 695 close(s); 696 s = socket(naf, SOCK_DGRAM, 0); 697 if (s < 0) 698 oaf = -1; 699 else 700 oaf = naf; 701 } 702 703 int 704 getinfo(ifr) 705 struct ifreq *ifr; 706 { 707 708 getsock(af); 709 if (s < 0) 710 err(EXIT_FAILURE, "socket"); 711 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) == -1) { 712 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 713 return (-1); 714 } 715 flags = ifr->ifr_flags; 716 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) == -1) { 717 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 718 metric = 0; 719 } else 720 metric = ifr->ifr_metric; 721 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) == -1) 722 mtu = 0; 723 else 724 mtu = ifr->ifr_mtu; 725 726 memset(&g_ifcr, 0, sizeof(g_ifcr)); 727 strcpy(g_ifcr.ifcr_name, ifr->ifr_name); 728 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 729 730 return (0); 731 } 732 733 void 734 printall(ifname) 735 const char *ifname; 736 { 737 struct ifaddrs *ifap, *ifa; 738 struct ifreq ifr; 739 const struct sockaddr_dl *sdl = NULL; 740 int idx; 741 char *p; 742 743 if (getifaddrs(&ifap) != 0) 744 err(EXIT_FAILURE, "getifaddrs"); 745 p = NULL; 746 idx = 0; 747 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 748 memset(&ifr, 0, sizeof(ifr)); 749 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 750 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 751 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 752 ifa->ifa_addr->sa_len); 753 } 754 755 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 756 continue; 757 if (ifa->ifa_addr->sa_family == AF_LINK) 758 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 759 if (p && strcmp(p, ifa->ifa_name) == 0) 760 continue; 761 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 762 name[sizeof(name) - 1] = '\0'; 763 p = ifa->ifa_name; 764 765 if (getinfo(&ifr) < 0) 766 continue; 767 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 768 continue; 769 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 770 continue; 771 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 772 continue; 773 774 if (sflag && carrier()) 775 continue; 776 idx++; 777 /* 778 * Are we just listing the interfaces? 779 */ 780 if (lflag) { 781 if (idx > 1) 782 putchar(' '); 783 fputs(name, stdout); 784 continue; 785 } 786 787 status(sdl); 788 sdl = NULL; 789 } 790 if (lflag) 791 putchar('\n'); 792 freeifaddrs(ifap); 793 } 794 795 void 796 list_cloners(void) 797 { 798 struct if_clonereq ifcr; 799 char *cp, *buf; 800 int idx; 801 802 memset(&ifcr, 0, sizeof(ifcr)); 803 804 getsock(AF_INET); 805 806 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 807 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 808 809 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 810 if (buf == NULL) 811 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 812 813 ifcr.ifcr_count = ifcr.ifcr_total; 814 ifcr.ifcr_buffer = buf; 815 816 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 817 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 818 819 /* 820 * In case some disappeared in the mean time, clamp it down. 821 */ 822 if (ifcr.ifcr_count > ifcr.ifcr_total) 823 ifcr.ifcr_count = ifcr.ifcr_total; 824 825 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 826 if (idx > 0) 827 putchar(' '); 828 printf("%s", cp); 829 } 830 831 putchar('\n'); 832 free(buf); 833 return; 834 } 835 836 /*ARGSUSED*/ 837 void 838 clone_create(addr, param) 839 const char *addr; 840 int param; 841 { 842 843 /* We're called early... */ 844 getsock(AF_INET); 845 846 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 847 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 848 err(EXIT_FAILURE, "SIOCIFCREATE"); 849 } 850 851 /*ARGSUSED*/ 852 void 853 clone_destroy(addr, param) 854 const char *addr; 855 int param; 856 { 857 858 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 859 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 860 err(EXIT_FAILURE, "SIOCIFDESTROY"); 861 } 862 863 #define RIDADDR 0 864 #define ADDR 1 865 #define MASK 2 866 #define DSTADDR 3 867 868 /*ARGSUSED*/ 869 void 870 setifaddr(addr, param) 871 const char *addr; 872 int param; 873 { 874 struct ifreq *ifr; /* XXX */ 875 876 /* 877 * Delay the ioctl to set the interface addr until flags are all set. 878 * The address interpretation may depend on the flags, 879 * and the flags may change when the address is set. 880 */ 881 setaddr++; 882 if (newaddr == -1) 883 newaddr = 1; 884 if (doalias == 0 && afp->af_gifaddr != 0) { 885 ifr = (struct ifreq *)afp->af_ridreq; 886 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 887 ifr->ifr_addr.sa_family = afp->af_af; 888 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 889 clearaddr = 1; 890 else if (errno == EADDRNOTAVAIL) 891 /* No address was assigned yet. */ 892 ; 893 else 894 err(EXIT_FAILURE, "SIOCGIFADDR"); 895 } 896 897 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 898 } 899 900 void 901 settunnel(src, dst) 902 const char *src, *dst; 903 { 904 struct addrinfo hints, *srcres, *dstres; 905 int ecode; 906 struct if_laddrreq req; 907 908 memset(&hints, 0, sizeof(hints)); 909 hints.ai_family = afp->af_af; 910 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 911 912 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 913 errx(1, "error in parsing address string: %s", 914 gai_strerror(ecode)); 915 916 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 917 errx(1, "error in parsing address string: %s", 918 gai_strerror(ecode)); 919 920 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 921 errx(1, 922 "source and destination address families do not match"); 923 924 if (srcres->ai_addrlen > sizeof(req.addr) || 925 dstres->ai_addrlen > sizeof(req.dstaddr)) 926 errx(1, "invalid sockaddr"); 927 928 memset(&req, 0, sizeof(req)); 929 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 930 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 931 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 932 933 #ifdef INET6 934 if (req.addr.ss_family == AF_INET6) { 935 struct sockaddr_in6 *s, *d; 936 937 s = (struct sockaddr_in6 *)&req.addr; 938 d = (struct sockaddr_in6 *)&req.dstaddr; 939 if (s->sin6_scope_id != d->sin6_scope_id) { 940 errx(1, "scope mismatch"); 941 /* NOTREACHED */ 942 } 943 #ifdef __KAME__ 944 /* embed scopeid */ 945 if (s->sin6_scope_id && 946 (IN6_IS_ADDR_LINKLOCAL(&s->sin6_addr) || 947 IN6_IS_ADDR_MC_LINKLOCAL(&s->sin6_addr))) { 948 *(u_int16_t *)&s->sin6_addr.s6_addr[2] = 949 htons(s->sin6_scope_id); 950 } 951 if (d->sin6_scope_id && 952 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 953 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 954 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 955 htons(d->sin6_scope_id); 956 } 957 #endif 958 } 959 #endif 960 961 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 962 warn("SIOCSLIFPHYADDR"); 963 964 freeaddrinfo(srcres); 965 freeaddrinfo(dstres); 966 } 967 968 /* ARGSUSED */ 969 void 970 deletetunnel(vname, param) 971 const char *vname; 972 int param; 973 { 974 975 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 976 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 977 } 978 979 void setvlan(val, d) 980 const char *val; 981 int d; 982 { 983 struct vlanreq vlr; 984 985 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 986 !isdigit(ifr.ifr_name[4])) 987 errx(EXIT_FAILURE, 988 "``vlan'' valid only with vlan(4) interfaces"); 989 990 vlan_tag = atoi(val); 991 992 memset(&vlr, 0, sizeof(vlr)); 993 ifr.ifr_data = (caddr_t)&vlr; 994 995 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 996 err(EXIT_FAILURE, "SIOCGETVLAN"); 997 998 vlr.vlr_tag = vlan_tag; 999 1000 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1001 err(EXIT_FAILURE, "SIOCSETVLAN"); 1002 } 1003 1004 void setvlanif(val, d) 1005 const char *val; 1006 int d; 1007 { 1008 struct vlanreq vlr; 1009 1010 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1011 !isdigit(ifr.ifr_name[4])) 1012 errx(EXIT_FAILURE, 1013 "``vlanif'' valid only with vlan(4) interfaces"); 1014 1015 if (vlan_tag == (u_int)-1) 1016 errx(EXIT_FAILURE, 1017 "must specify both ``vlan'' and ``vlanif''"); 1018 1019 memset(&vlr, 0, sizeof(vlr)); 1020 ifr.ifr_data = (caddr_t)&vlr; 1021 1022 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1023 err(EXIT_FAILURE, "SIOCGETVLAN"); 1024 1025 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1026 vlr.vlr_tag = vlan_tag; 1027 1028 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1029 err(EXIT_FAILURE, "SIOCSETVLAN"); 1030 } 1031 1032 void unsetvlanif(val, d) 1033 const char *val; 1034 int d; 1035 { 1036 struct vlanreq vlr; 1037 1038 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1039 !isdigit(ifr.ifr_name[4])) 1040 errx(EXIT_FAILURE, 1041 "``vlanif'' valid only with vlan(4) interfaces"); 1042 1043 memset(&vlr, 0, sizeof(vlr)); 1044 ifr.ifr_data = (caddr_t)&vlr; 1045 1046 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1047 err(EXIT_FAILURE, "SIOCGETVLAN"); 1048 1049 vlr.vlr_parent[0] = '\0'; 1050 vlr.vlr_tag = 0; 1051 1052 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1053 err(EXIT_FAILURE, "SIOCSETVLAN"); 1054 } 1055 1056 void 1057 setifnetmask(addr, d) 1058 const char *addr; 1059 int d; 1060 { 1061 (*afp->af_getaddr)(addr, MASK); 1062 } 1063 1064 void 1065 setifbroadaddr(addr, d) 1066 const char *addr; 1067 int d; 1068 { 1069 (*afp->af_getaddr)(addr, DSTADDR); 1070 } 1071 1072 void 1073 setifipdst(addr, d) 1074 const char *addr; 1075 int d; 1076 { 1077 in_getaddr(addr, DSTADDR); 1078 setipdst++; 1079 clearaddr = 0; 1080 newaddr = 0; 1081 } 1082 1083 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1084 /*ARGSUSED*/ 1085 void 1086 notealias(addr, param) 1087 const char *addr; 1088 int param; 1089 { 1090 if (setaddr && doalias == 0 && param < 0) 1091 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1092 rqtosa(af_addreq)->sa_len); 1093 doalias = param; 1094 if (param < 0) { 1095 clearaddr = 1; 1096 newaddr = 0; 1097 conflicting++; 1098 } else { 1099 clearaddr = 0; 1100 conflicting++; 1101 } 1102 } 1103 1104 /*ARGSUSED*/ 1105 void 1106 notrailers(vname, value) 1107 const char *vname; 1108 int value; 1109 { 1110 puts("Note: trailers are no longer sent, but always received"); 1111 } 1112 1113 /*ARGSUSED*/ 1114 void 1115 setifdstaddr(addr, param) 1116 const char *addr; 1117 int param; 1118 { 1119 (*afp->af_getaddr)(addr, DSTADDR); 1120 } 1121 1122 void 1123 setifflags(vname, value) 1124 const char *vname; 1125 int value; 1126 { 1127 struct ifreq ifreq; 1128 1129 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1130 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1131 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1132 flags = ifreq.ifr_flags; 1133 1134 if (value < 0) { 1135 value = -value; 1136 flags &= ~value; 1137 } else 1138 flags |= value; 1139 ifreq.ifr_flags = flags; 1140 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1141 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1142 1143 reset_if_flags = 1; 1144 } 1145 1146 void 1147 setifcaps(vname, value) 1148 const char *vname; 1149 int value; 1150 { 1151 1152 if (value < 0) { 1153 value = -value; 1154 g_ifcr.ifcr_capenable &= ~value; 1155 } else 1156 g_ifcr.ifcr_capenable |= value; 1157 1158 g_ifcr_updated = 1; 1159 } 1160 1161 #ifdef INET6 1162 void 1163 setia6flags(vname, value) 1164 const char *vname; 1165 int value; 1166 { 1167 if (value < 0) { 1168 value = -value; 1169 in6_addreq.ifra_flags &= ~value; 1170 } else 1171 in6_addreq.ifra_flags |= value; 1172 } 1173 1174 void 1175 setia6pltime(val, d) 1176 const char *val; 1177 int d; 1178 { 1179 setia6lifetime("pltime", val); 1180 } 1181 1182 void 1183 setia6vltime(val, d) 1184 const char *val; 1185 int d; 1186 { 1187 setia6lifetime("vltime", val); 1188 } 1189 1190 void 1191 setia6lifetime(cmd, val) 1192 const char *cmd; 1193 const char *val; 1194 { 1195 time_t newval, t; 1196 char *ep; 1197 1198 t = time(NULL); 1199 newval = (time_t)strtoul(val, &ep, 0); 1200 if (val == ep) 1201 errx(1, "invalid %s", cmd); 1202 if (afp->af_af != AF_INET6) 1203 errx(1, "%s not allowed for the AF", cmd); 1204 if (strcmp(cmd, "vltime") == 0) { 1205 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1206 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1207 } else if (strcmp(cmd, "pltime") == 0) { 1208 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1209 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1210 } 1211 } 1212 #endif 1213 1214 void 1215 setifmetric(val, d) 1216 const char *val; 1217 int d; 1218 { 1219 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1220 ifr.ifr_metric = atoi(val); 1221 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1222 warn("SIOCSIFMETRIC"); 1223 } 1224 1225 void 1226 setifmtu(val, d) 1227 const char *val; 1228 int d; 1229 { 1230 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1231 ifr.ifr_mtu = atoi(val); 1232 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1233 warn("SIOCSIFMTU"); 1234 } 1235 1236 const char * 1237 get_string(val, sep, buf, lenp) 1238 const char *val, *sep; 1239 u_int8_t *buf; 1240 int *lenp; 1241 { 1242 int len; 1243 int hexstr; 1244 u_int8_t *p; 1245 1246 len = *lenp; 1247 p = buf; 1248 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1249 if (hexstr) 1250 val += 2; 1251 for (;;) { 1252 if (*val == '\0') 1253 break; 1254 if (sep != NULL && strchr(sep, *val) != NULL) { 1255 val++; 1256 break; 1257 } 1258 if (hexstr) { 1259 if (!isxdigit((u_char)val[0]) || 1260 !isxdigit((u_char)val[1])) { 1261 warnx("bad hexadecimal digits"); 1262 return NULL; 1263 } 1264 } 1265 if (p > buf + len) { 1266 if (hexstr) 1267 warnx("hexadecimal digits too long"); 1268 else 1269 warnx("strings too long"); 1270 return NULL; 1271 } 1272 if (hexstr) { 1273 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1274 *p++ = (tohex((u_char)val[0]) << 4) | 1275 tohex((u_char)val[1]); 1276 #undef tohex 1277 val += 2; 1278 } else 1279 *p++ = *val++; 1280 } 1281 len = p - buf; 1282 if (len < *lenp) 1283 memset(p, 0, *lenp - len); 1284 *lenp = len; 1285 return val; 1286 } 1287 1288 void 1289 print_string(buf, len) 1290 const u_int8_t *buf; 1291 int len; 1292 { 1293 int i; 1294 int hasspc; 1295 1296 i = 0; 1297 hasspc = 0; 1298 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1299 for (; i < len; i++) { 1300 if (!isprint(buf[i])) 1301 break; 1302 if (isspace(buf[i])) 1303 hasspc++; 1304 } 1305 } 1306 if (i == len) { 1307 if (hasspc || len == 0) 1308 printf("\"%.*s\"", len, buf); 1309 else 1310 printf("%.*s", len, buf); 1311 } else { 1312 printf("0x"); 1313 for (i = 0; i < len; i++) 1314 printf("%02x", buf[i]); 1315 } 1316 } 1317 1318 void 1319 setifnwid(val, d) 1320 const char *val; 1321 int d; 1322 { 1323 struct ieee80211_nwid nwid; 1324 int len; 1325 1326 len = sizeof(nwid.i_nwid); 1327 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1328 return; 1329 nwid.i_len = len; 1330 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1331 ifr.ifr_data = (caddr_t)&nwid; 1332 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1333 warn("SIOCS80211NWID"); 1334 } 1335 1336 void 1337 setifnwkey(val, d) 1338 const char *val; 1339 int d; 1340 { 1341 struct ieee80211_nwkey nwkey; 1342 int i; 1343 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1344 1345 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1346 nwkey.i_defkid = 1; 1347 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1348 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1349 nwkey.i_key[i].i_keydat = keybuf[i]; 1350 } 1351 if (d != 0) { 1352 /* disable WEP encryption */ 1353 nwkey.i_wepon = 0; 1354 i = 0; 1355 } else if (strcasecmp("persist", val) == 0) { 1356 /* use all values from persistent memory */ 1357 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1358 nwkey.i_defkid = 0; 1359 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1360 nwkey.i_key[i].i_keylen = -1; 1361 } else if (strncasecmp("persist:", val, 8) == 0) { 1362 val += 8; 1363 /* program keys in persistent memory */ 1364 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1365 goto set_nwkey; 1366 } else { 1367 set_nwkey: 1368 if (isdigit(val[0]) && val[1] == ':') { 1369 /* specifying a full set of four keys */ 1370 nwkey.i_defkid = val[0] - '0'; 1371 val += 2; 1372 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1373 val = get_string(val, ",", keybuf[i], 1374 &nwkey.i_key[i].i_keylen); 1375 if (val == NULL) 1376 return; 1377 } 1378 if (*val != '\0') { 1379 warnx("SIOCS80211NWKEY: too many keys."); 1380 return; 1381 } 1382 } else { 1383 val = get_string(val, NULL, keybuf[0], 1384 &nwkey.i_key[0].i_keylen); 1385 if (val == NULL) 1386 return; 1387 i = 1; 1388 } 1389 } 1390 for (; i < IEEE80211_WEP_NKID; i++) 1391 nwkey.i_key[i].i_keylen = 0; 1392 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1393 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1394 warn("SIOCS80211NWKEY"); 1395 } 1396 1397 void 1398 setifpowersave(val, d) 1399 const char *val; 1400 int d; 1401 { 1402 struct ieee80211_power power; 1403 1404 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1405 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1406 warn("SIOCG80211POWER"); 1407 return; 1408 } 1409 1410 power.i_enabled = d; 1411 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1412 warn("SIOCS80211POWER"); 1413 } 1414 1415 void 1416 setifpowersavesleep(val, d) 1417 const char *val; 1418 int d; 1419 { 1420 struct ieee80211_power power; 1421 1422 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1423 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1424 warn("SIOCG80211POWER"); 1425 return; 1426 } 1427 1428 power.i_maxsleep = atoi(val); 1429 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1430 warn("SIOCS80211POWER"); 1431 } 1432 1433 void 1434 ieee80211_status() 1435 { 1436 int i, nwkey_verbose; 1437 struct ieee80211_nwid nwid; 1438 struct ieee80211_nwkey nwkey; 1439 struct ieee80211_power power; 1440 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1441 1442 memset(&ifr, 0, sizeof(ifr)); 1443 ifr.ifr_data = (caddr_t)&nwid; 1444 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1445 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1446 return; 1447 if (nwid.i_len > IEEE80211_NWID_LEN) { 1448 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1449 return; 1450 } 1451 printf("\tnwid "); 1452 print_string(nwid.i_nwid, nwid.i_len); 1453 memset(&nwkey, 0, sizeof(nwkey)); 1454 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1455 /* show nwkey only when WEP is enabled */ 1456 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1457 nwkey.i_wepon == 0) { 1458 printf("\n"); 1459 goto skip_wep; 1460 } 1461 1462 printf(" nwkey "); 1463 /* try to retrieve WEP keys */ 1464 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1465 nwkey.i_key[i].i_keydat = keybuf[i]; 1466 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1467 } 1468 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1469 printf("*****"); 1470 } else { 1471 nwkey_verbose = 0; 1472 /* check to see non default key or multiple keys defined */ 1473 if (nwkey.i_defkid != 1) { 1474 nwkey_verbose = 1; 1475 } else { 1476 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1477 if (nwkey.i_key[i].i_keylen != 0) { 1478 nwkey_verbose = 1; 1479 break; 1480 } 1481 } 1482 } 1483 /* check extra ambiguity with keywords */ 1484 if (!nwkey_verbose) { 1485 if (nwkey.i_key[0].i_keylen >= 2 && 1486 isdigit(nwkey.i_key[0].i_keydat[0]) && 1487 nwkey.i_key[0].i_keydat[1] == ':') 1488 nwkey_verbose = 1; 1489 else if (nwkey.i_key[0].i_keylen >= 7 && 1490 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1491 == 0) 1492 nwkey_verbose = 1; 1493 } 1494 if (nwkey_verbose) 1495 printf("%d:", nwkey.i_defkid); 1496 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1497 if (i > 0) 1498 printf(","); 1499 if (nwkey.i_key[i].i_keylen < 0) 1500 printf("persist"); 1501 else 1502 print_string(nwkey.i_key[i].i_keydat, 1503 nwkey.i_key[i].i_keylen); 1504 if (!nwkey_verbose) 1505 break; 1506 } 1507 } 1508 printf("\n"); 1509 1510 skip_wep: 1511 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1512 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1513 return; 1514 printf("\tpowersave "); 1515 if (power.i_enabled) 1516 printf("on (%dms sleep)", power.i_maxsleep); 1517 else 1518 printf("off"); 1519 printf("\n"); 1520 } 1521 1522 void 1523 init_current_media() 1524 { 1525 struct ifmediareq ifmr; 1526 1527 /* 1528 * If we have not yet done so, grab the currently-selected 1529 * media. 1530 */ 1531 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1532 (void) memset(&ifmr, 0, sizeof(ifmr)); 1533 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1534 1535 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1536 /* 1537 * If we get E2BIG, the kernel is telling us 1538 * that there are more, so we can ignore it. 1539 */ 1540 if (errno != E2BIG) 1541 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1542 } 1543 1544 media_current = ifmr.ifm_current; 1545 } 1546 1547 /* Sanity. */ 1548 if (IFM_TYPE(media_current) == 0) 1549 errx(1, "%s: no link type?", name); 1550 } 1551 1552 void 1553 process_media_commands() 1554 { 1555 1556 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1557 /* Nothing to do. */ 1558 return; 1559 } 1560 1561 /* 1562 * Media already set up, and commands sanity-checked. Set/clear 1563 * any options, and we're ready to go. 1564 */ 1565 media_current |= mediaopt_set; 1566 media_current &= ~mediaopt_clear; 1567 1568 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1569 ifr.ifr_media = media_current; 1570 1571 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1572 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1573 } 1574 1575 void 1576 setmedia(val, d) 1577 const char *val; 1578 int d; 1579 { 1580 int type, subtype, inst; 1581 1582 init_current_media(); 1583 1584 /* Only one media command may be given. */ 1585 if (actions & A_MEDIA) 1586 errx(1, "only one `media' command may be issued"); 1587 1588 /* Must not come after mediaopt commands */ 1589 if (actions & A_MEDIAOPT) 1590 errx(1, "may not issue `media' after `mediaopt' commands"); 1591 1592 /* 1593 * No need to check if `instance' has been issued; setmediainst() 1594 * craps out if `media' has not been specified. 1595 */ 1596 1597 type = IFM_TYPE(media_current); 1598 inst = IFM_INST(media_current); 1599 1600 /* Look up the subtype. */ 1601 subtype = get_media_subtype(type, val); 1602 1603 /* Build the new current media word. */ 1604 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1605 1606 /* Media will be set after other processing is complete. */ 1607 } 1608 1609 void 1610 setmediaopt(val, d) 1611 const char *val; 1612 int d; 1613 { 1614 1615 init_current_media(); 1616 1617 /* Can only issue `mediaopt' once. */ 1618 if (actions & A_MEDIAOPTSET) 1619 errx(1, "only one `mediaopt' command may be issued"); 1620 1621 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1622 if (actions & A_MEDIAINST) 1623 errx(1, "may not issue `mediaopt' after `instance'"); 1624 1625 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1626 1627 /* Media will be set after other processing is complete. */ 1628 } 1629 1630 void 1631 unsetmediaopt(val, d) 1632 const char *val; 1633 int d; 1634 { 1635 1636 init_current_media(); 1637 1638 /* Can only issue `-mediaopt' once. */ 1639 if (actions & A_MEDIAOPTCLR) 1640 errx(1, "only one `-mediaopt' command may be issued"); 1641 1642 /* May not issue `media' and `-mediaopt'. */ 1643 if (actions & A_MEDIA) 1644 errx(1, "may not issue both `media' and `-mediaopt'"); 1645 1646 /* 1647 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1648 * implicitly checks for A_MEDIAINST. 1649 */ 1650 1651 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1652 1653 /* Media will be set after other processing is complete. */ 1654 } 1655 1656 void 1657 setmediainst(val, d) 1658 const char *val; 1659 int d; 1660 { 1661 int type, subtype, options, inst; 1662 1663 init_current_media(); 1664 1665 /* Can only issue `instance' once. */ 1666 if (actions & A_MEDIAINST) 1667 errx(1, "only one `instance' command may be issued"); 1668 1669 /* Must have already specified `media' */ 1670 if ((actions & A_MEDIA) == 0) 1671 errx(1, "must specify `media' before `instance'"); 1672 1673 type = IFM_TYPE(media_current); 1674 subtype = IFM_SUBTYPE(media_current); 1675 options = IFM_OPTIONS(media_current); 1676 1677 inst = atoi(val); 1678 if (inst < 0 || inst > IFM_INST_MAX) 1679 errx(1, "invalid media instance: %s", val); 1680 1681 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1682 1683 /* Media will be set after other processing is complete. */ 1684 } 1685 1686 struct ifmedia_description ifm_type_descriptions[] = 1687 IFM_TYPE_DESCRIPTIONS; 1688 1689 struct ifmedia_description ifm_subtype_descriptions[] = 1690 IFM_SUBTYPE_DESCRIPTIONS; 1691 1692 struct ifmedia_description ifm_option_descriptions[] = 1693 IFM_OPTION_DESCRIPTIONS; 1694 1695 const char * 1696 get_media_type_string(mword) 1697 int mword; 1698 { 1699 struct ifmedia_description *desc; 1700 1701 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1702 desc++) { 1703 if (IFM_TYPE(mword) == desc->ifmt_word) 1704 return (desc->ifmt_string); 1705 } 1706 return ("<unknown type>"); 1707 } 1708 1709 const char * 1710 get_media_subtype_string(mword) 1711 int mword; 1712 { 1713 struct ifmedia_description *desc; 1714 1715 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1716 desc++) { 1717 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1718 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1719 return (desc->ifmt_string); 1720 } 1721 return ("<unknown subtype>"); 1722 } 1723 1724 int 1725 get_media_subtype(type, val) 1726 int type; 1727 const char *val; 1728 { 1729 int rval; 1730 1731 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1732 if (rval == -1) 1733 errx(1, "unknown %s media subtype: %s", 1734 get_media_type_string(type), val); 1735 1736 return (rval); 1737 } 1738 1739 int 1740 get_media_options(type, val) 1741 int type; 1742 const char *val; 1743 { 1744 char *optlist, *str; 1745 int option, rval = 0; 1746 1747 /* We muck with the string, so copy it. */ 1748 optlist = strdup(val); 1749 if (optlist == NULL) 1750 err(EXIT_FAILURE, "strdup"); 1751 str = optlist; 1752 1753 /* 1754 * Look up the options in the user-provided comma-separated list. 1755 */ 1756 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1757 option = lookup_media_word(ifm_option_descriptions, type, str); 1758 if (option == -1) 1759 errx(1, "unknown %s media option: %s", 1760 get_media_type_string(type), str); 1761 rval |= IFM_OPTIONS(option); 1762 } 1763 1764 free(optlist); 1765 return (rval); 1766 } 1767 1768 int 1769 lookup_media_word(desc, type, val) 1770 struct ifmedia_description *desc; 1771 int type; 1772 const char *val; 1773 { 1774 1775 for (; desc->ifmt_string != NULL; desc++) { 1776 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1777 strcasecmp(desc->ifmt_string, val) == 0) 1778 return (desc->ifmt_word); 1779 } 1780 return (-1); 1781 } 1782 1783 void 1784 print_media_word(ifmw, print_type, as_syntax) 1785 int ifmw, print_type, as_syntax; 1786 { 1787 struct ifmedia_description *desc; 1788 int seen_option = 0; 1789 1790 if (print_type) 1791 printf("%s ", get_media_type_string(ifmw)); 1792 printf("%s%s", as_syntax ? "media " : "", 1793 get_media_subtype_string(ifmw)); 1794 1795 /* Find options. */ 1796 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1797 desc++) { 1798 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1799 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1800 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1801 if (seen_option == 0) 1802 printf(" %s", as_syntax ? "mediaopt " : ""); 1803 printf("%s%s", seen_option ? "," : "", 1804 desc->ifmt_string); 1805 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1806 } 1807 } 1808 if (IFM_INST(ifmw) != 0) 1809 printf(" instance %d", IFM_INST(ifmw)); 1810 } 1811 1812 int carrier() 1813 { 1814 struct ifmediareq ifmr; 1815 1816 (void) memset(&ifmr, 0, sizeof(ifmr)); 1817 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1818 1819 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1820 /* 1821 * Interface doesn't support SIOC{G,S}IFMEDIA; 1822 * assume ok. 1823 */ 1824 return 0; 1825 } 1826 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1827 /* 1828 * Interface doesn't report media-valid status. 1829 * assume ok. 1830 */ 1831 return 0; 1832 } 1833 /* otherwise, return ok for active, not-ok if not active. */ 1834 return !(ifmr.ifm_status & IFM_ACTIVE); 1835 } 1836 1837 1838 #define IFFBITS \ 1839 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1840 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1841 1842 #define IFCAPBITS \ 1843 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1844 1845 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1846 1847 const struct ifmedia_status_description ifm_status_descriptions[] = 1848 IFM_STATUS_DESCRIPTIONS; 1849 1850 /* 1851 * Print the status of the interface. If an address family was 1852 * specified, show it and it only; otherwise, show them all. 1853 */ 1854 void 1855 status(sdl) 1856 const struct sockaddr_dl *sdl; 1857 { 1858 struct afswtch *p = afp; 1859 struct ifmediareq ifmr; 1860 int *media_list, i; 1861 char hbuf[NI_MAXHOST]; 1862 1863 printf("%s: ", name); 1864 printb("flags", flags, IFFBITS); 1865 if (metric) 1866 printf(" metric %d", metric); 1867 if (mtu) 1868 printf(" mtu %d", mtu); 1869 putchar('\n'); 1870 1871 if (g_ifcr.ifcr_capabilities) { 1872 putchar('\t'); 1873 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1874 putchar('\n'); 1875 1876 putchar('\t'); 1877 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1878 putchar('\n'); 1879 } 1880 1881 ieee80211_status(); 1882 vlan_status(); 1883 tunnel_status(); 1884 1885 if (sdl != NULL && 1886 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1887 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1888 hbuf[0] != '\0') 1889 printf("\taddress: %s\n", hbuf); 1890 1891 (void) memset(&ifmr, 0, sizeof(ifmr)); 1892 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1893 1894 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1895 /* 1896 * Interface doesn't support SIOC{G,S}IFMEDIA. 1897 */ 1898 goto proto_status; 1899 } 1900 1901 if (ifmr.ifm_count == 0) { 1902 warnx("%s: no media types?", name); 1903 goto proto_status; 1904 } 1905 1906 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1907 if (media_list == NULL) 1908 err(EXIT_FAILURE, "malloc"); 1909 ifmr.ifm_ulist = media_list; 1910 1911 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 1912 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1913 1914 printf("\tmedia: "); 1915 print_media_word(ifmr.ifm_current, 1, 0); 1916 if (ifmr.ifm_active != ifmr.ifm_current) { 1917 putchar(' '); 1918 putchar('('); 1919 print_media_word(ifmr.ifm_active, 0, 0); 1920 putchar(')'); 1921 } 1922 putchar('\n'); 1923 1924 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1925 const struct ifmedia_status_description *ifms; 1926 int bitno, found = 0; 1927 1928 printf("\tstatus: "); 1929 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1930 for (ifms = ifm_status_descriptions; 1931 ifms->ifms_valid != 0; ifms++) { 1932 if (ifms->ifms_type != 1933 IFM_TYPE(ifmr.ifm_current) || 1934 ifms->ifms_valid != 1935 ifm_status_valid_list[bitno]) 1936 continue; 1937 printf("%s%s", found ? ", " : "", 1938 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1939 found = 1; 1940 1941 /* 1942 * For each valid indicator bit, there's 1943 * only one entry for each media type, so 1944 * terminate the inner loop now. 1945 */ 1946 break; 1947 } 1948 } 1949 1950 if (found == 0) 1951 printf("unknown"); 1952 putchar('\n'); 1953 } 1954 1955 if (mflag) { 1956 int type, printed_type; 1957 1958 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1959 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1960 if (IFM_TYPE(media_list[i]) == type) { 1961 if (printed_type == 0) { 1962 printf("\tsupported %s media:\n", 1963 get_media_type_string(type)); 1964 printed_type = 1; 1965 } 1966 printf("\t\t"); 1967 print_media_word(media_list[i], 0, 1); 1968 printf("\n"); 1969 } 1970 } 1971 } 1972 } 1973 1974 free(media_list); 1975 1976 proto_status: 1977 if ((p = afp) != NULL) { 1978 (*p->af_status)(1); 1979 } else for (p = afs; p->af_name; p++) { 1980 ifr.ifr_addr.sa_family = p->af_af; 1981 (*p->af_status)(0); 1982 } 1983 } 1984 1985 void 1986 tunnel_status() 1987 { 1988 char psrcaddr[NI_MAXHOST]; 1989 char pdstaddr[NI_MAXHOST]; 1990 const char *ver = ""; 1991 #ifdef NI_WITHSCOPEID 1992 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1993 #else 1994 const int niflag = NI_NUMERICHOST; 1995 #endif 1996 struct if_laddrreq req; 1997 1998 psrcaddr[0] = pdstaddr[0] = '\0'; 1999 2000 memset(&req, 0, sizeof(req)); 2001 strncpy(req.iflr_name, name, IFNAMSIZ); 2002 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2003 return; 2004 #ifdef INET6 2005 if (req.addr.ss_family == AF_INET6) 2006 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2007 #endif 2008 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2009 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2010 #ifdef INET6 2011 if (req.addr.ss_family == AF_INET6) 2012 ver = "6"; 2013 #endif 2014 2015 #ifdef INET6 2016 if (req.dstaddr.ss_family == AF_INET6) 2017 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2018 #endif 2019 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2020 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2021 2022 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2023 } 2024 2025 void 2026 vlan_status() 2027 { 2028 struct vlanreq vlr; 2029 2030 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2031 !isdigit(ifr.ifr_name[4])) 2032 return; 2033 2034 memset(&vlr, 0, sizeof(vlr)); 2035 ifr.ifr_data = (caddr_t)&vlr; 2036 2037 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2038 return; 2039 2040 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2041 printf("\tvlan: %d parent: %s\n", 2042 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2043 "<none>" : vlr.vlr_parent); 2044 } 2045 2046 void 2047 in_alias(creq) 2048 struct ifreq *creq; 2049 { 2050 struct sockaddr_in *sin; 2051 int alias; 2052 2053 if (lflag) 2054 return; 2055 2056 alias = 1; 2057 2058 /* Get the non-alias address for this interface. */ 2059 getsock(AF_INET); 2060 if (s < 0) { 2061 if (errno == EPROTONOSUPPORT) 2062 return; 2063 err(EXIT_FAILURE, "socket"); 2064 } 2065 (void) memset(&ifr, 0, sizeof(ifr)); 2066 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2067 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2068 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2069 return; 2070 } else 2071 warn("SIOCGIFADDR"); 2072 } 2073 /* If creq and ifr are the same address, this is not an alias. */ 2074 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2075 sizeof(creq->ifr_addr)) == 0) 2076 alias = 0; 2077 (void) memset(&addreq, 0, sizeof(addreq)); 2078 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2079 addreq.ifra_addr = creq->ifr_addr; 2080 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) == -1) { 2081 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2082 return; 2083 } else 2084 warn("SIOCGIFALIAS"); 2085 } 2086 2087 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2088 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2089 2090 if (flags & IFF_POINTOPOINT) { 2091 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2092 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2093 } 2094 2095 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2096 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2097 2098 if (flags & IFF_BROADCAST) { 2099 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2100 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2101 } 2102 printf("\n"); 2103 } 2104 2105 void 2106 in_status(force) 2107 int force; 2108 { 2109 struct ifaddrs *ifap, *ifa; 2110 struct ifreq ifr; 2111 2112 if (getifaddrs(&ifap) != 0) 2113 err(EXIT_FAILURE, "getifaddrs"); 2114 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2115 if (strcmp(name, ifa->ifa_name) != 0) 2116 continue; 2117 if (ifa->ifa_addr->sa_family != AF_INET) 2118 continue; 2119 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2120 continue; 2121 2122 memset(&ifr, 0, sizeof(ifr)); 2123 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2124 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2125 in_alias(&ifr); 2126 } 2127 freeifaddrs(ifap); 2128 } 2129 2130 void 2131 setifprefixlen(addr, d) 2132 const char *addr; 2133 int d; 2134 { 2135 if (*afp->af_getprefix) 2136 (*afp->af_getprefix)(addr, MASK); 2137 explicit_prefix = 1; 2138 } 2139 2140 #ifdef INET6 2141 void 2142 in6_fillscopeid(sin6) 2143 struct sockaddr_in6 *sin6; 2144 { 2145 #if defined(__KAME__) && defined(KAME_SCOPEID) 2146 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2147 sin6->sin6_scope_id = 2148 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2149 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2150 } 2151 #endif 2152 } 2153 2154 /* XXX not really an alias */ 2155 void 2156 in6_alias(creq) 2157 struct in6_ifreq *creq; 2158 { 2159 struct sockaddr_in6 *sin6; 2160 char hbuf[NI_MAXHOST]; 2161 u_int32_t scopeid; 2162 #ifdef NI_WITHSCOPEID 2163 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2164 #else 2165 const int niflag = NI_NUMERICHOST; 2166 #endif 2167 2168 /* Get the non-alias address for this interface. */ 2169 getsock(AF_INET6); 2170 if (s < 0) { 2171 if (errno == EPROTONOSUPPORT) 2172 return; 2173 err(EXIT_FAILURE, "socket"); 2174 } 2175 2176 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2177 2178 in6_fillscopeid(sin6); 2179 scopeid = sin6->sin6_scope_id; 2180 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2181 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2182 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2183 printf("\tinet6 %s", hbuf); 2184 2185 if (flags & IFF_POINTOPOINT) { 2186 (void) memset(&ifr6, 0, sizeof(ifr6)); 2187 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2188 ifr6.ifr_addr = creq->ifr_addr; 2189 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2190 if (errno != EADDRNOTAVAIL) 2191 warn("SIOCGIFDSTADDR_IN6"); 2192 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2193 ifr6.ifr_addr.sin6_family = AF_INET6; 2194 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2195 } 2196 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2197 in6_fillscopeid(sin6); 2198 hbuf[0] = '\0'; 2199 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2200 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2201 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2202 printf(" -> %s", hbuf); 2203 } 2204 2205 (void) memset(&ifr6, 0, sizeof(ifr6)); 2206 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2207 ifr6.ifr_addr = creq->ifr_addr; 2208 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2209 if (errno != EADDRNOTAVAIL) 2210 warn("SIOCGIFNETMASK_IN6"); 2211 } else { 2212 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2213 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2214 sizeof(struct in6_addr))); 2215 } 2216 2217 (void) memset(&ifr6, 0, sizeof(ifr6)); 2218 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2219 ifr6.ifr_addr = creq->ifr_addr; 2220 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2221 if (errno != EADDRNOTAVAIL) 2222 warn("SIOCGIFAFLAG_IN6"); 2223 } else { 2224 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2225 printf(" anycast"); 2226 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2227 printf(" tentative"); 2228 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2229 printf(" duplicated"); 2230 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2231 printf(" detached"); 2232 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2233 printf(" deprecated"); 2234 } 2235 2236 if (scopeid) 2237 printf(" scopeid 0x%x", scopeid); 2238 2239 if (Lflag) { 2240 struct in6_addrlifetime *lifetime; 2241 (void) memset(&ifr6, 0, sizeof(ifr6)); 2242 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2243 ifr6.ifr_addr = creq->ifr_addr; 2244 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2245 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2246 if (errno != EADDRNOTAVAIL) 2247 warn("SIOCGIFALIFETIME_IN6"); 2248 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2249 time_t t = time(NULL); 2250 printf(" pltime "); 2251 if (lifetime->ia6t_preferred) { 2252 printf("%s", lifetime->ia6t_preferred < t 2253 ? "0" 2254 : sec2str(lifetime->ia6t_preferred - t)); 2255 } else 2256 printf("infty"); 2257 2258 printf(" vltime "); 2259 if (lifetime->ia6t_expire) { 2260 printf("%s", lifetime->ia6t_expire < t 2261 ? "0" 2262 : sec2str(lifetime->ia6t_expire - t)); 2263 } else 2264 printf("infty"); 2265 } 2266 } 2267 2268 printf("\n"); 2269 } 2270 2271 void 2272 in6_status(force) 2273 int force; 2274 { 2275 struct ifaddrs *ifap, *ifa; 2276 struct in6_ifreq ifr; 2277 2278 if (getifaddrs(&ifap) != 0) 2279 err(EXIT_FAILURE, "getifaddrs"); 2280 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2281 if (strcmp(name, ifa->ifa_name) != 0) 2282 continue; 2283 if (ifa->ifa_addr->sa_family != AF_INET6) 2284 continue; 2285 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2286 continue; 2287 2288 memset(&ifr, 0, sizeof(ifr)); 2289 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2290 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2291 in6_alias(&ifr); 2292 } 2293 freeifaddrs(ifap); 2294 } 2295 #endif /*INET6*/ 2296 2297 #ifndef INET_ONLY 2298 2299 void 2300 at_status(force) 2301 int force; 2302 { 2303 struct sockaddr_at *sat, null_sat; 2304 struct netrange *nr; 2305 2306 getsock(AF_APPLETALK); 2307 if (s < 0) { 2308 if (errno == EPROTONOSUPPORT) 2309 return; 2310 err(EXIT_FAILURE, "socket"); 2311 } 2312 (void) memset(&ifr, 0, sizeof(ifr)); 2313 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2314 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2315 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2316 if (!force) 2317 return; 2318 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2319 } else 2320 warn("SIOCGIFADDR"); 2321 } 2322 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2323 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2324 2325 (void) memset(&null_sat, 0, sizeof(null_sat)); 2326 2327 nr = (struct netrange *) &sat->sat_zero; 2328 printf("\tatalk %d.%d range %d-%d phase %d", 2329 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2330 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2331 if (flags & IFF_POINTOPOINT) { 2332 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2333 if (errno == EADDRNOTAVAIL) 2334 (void) memset(&ifr.ifr_addr, 0, 2335 sizeof(ifr.ifr_addr)); 2336 else 2337 warn("SIOCGIFDSTADDR"); 2338 } 2339 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2340 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2341 if (!sat) 2342 sat = &null_sat; 2343 printf("--> %d.%d", 2344 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2345 } 2346 if (flags & IFF_BROADCAST) { 2347 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2348 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2349 if (sat) 2350 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2351 sat->sat_addr.s_node); 2352 } 2353 putchar('\n'); 2354 } 2355 2356 void 2357 xns_status(force) 2358 int force; 2359 { 2360 struct sockaddr_ns *sns; 2361 2362 getsock(AF_NS); 2363 if (s < 0) { 2364 if (errno == EPROTONOSUPPORT) 2365 return; 2366 err(EXIT_FAILURE, "socket"); 2367 } 2368 (void) memset(&ifr, 0, sizeof(ifr)); 2369 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2370 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2371 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2372 if (!force) 2373 return; 2374 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2375 } else 2376 warn("SIOCGIFADDR"); 2377 } 2378 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2379 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2380 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2381 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2382 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2383 if (errno == EADDRNOTAVAIL) 2384 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2385 else 2386 warn("SIOCGIFDSTADDR"); 2387 } 2388 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2389 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2390 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2391 } 2392 putchar('\n'); 2393 } 2394 2395 void 2396 iso_status(force) 2397 int force; 2398 { 2399 struct sockaddr_iso *siso; 2400 struct iso_ifreq ifr; 2401 2402 getsock(AF_ISO); 2403 if (s < 0) { 2404 if (errno == EPROTONOSUPPORT) 2405 return; 2406 err(EXIT_FAILURE, "socket"); 2407 } 2408 (void) memset(&ifr, 0, sizeof(ifr)); 2409 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2410 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) == -1) { 2411 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2412 if (!force) 2413 return; 2414 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2415 } else 2416 warn("SIOCGIFADDR_ISO"); 2417 } 2418 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2419 siso = &ifr.ifr_Addr; 2420 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2421 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) == -1) { 2422 if (errno == EADDRNOTAVAIL) 2423 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2424 else 2425 warn("SIOCGIFNETMASK_ISO"); 2426 } else { 2427 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2428 siso->siso_addr.isoa_len = siso->siso_len 2429 - offsetof(struct sockaddr_iso, siso_addr); 2430 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2431 } 2432 if (flags & IFF_POINTOPOINT) { 2433 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) == -1) { 2434 if (errno == EADDRNOTAVAIL) 2435 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2436 else 2437 warn("SIOCGIFDSTADDR_ISO"); 2438 } 2439 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2440 siso = &ifr.ifr_Addr; 2441 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2442 } 2443 putchar('\n'); 2444 } 2445 2446 #endif /* INET_ONLY */ 2447 2448 #define SIN(x) ((struct sockaddr_in *) &(x)) 2449 struct sockaddr_in *sintab[] = { 2450 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2451 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2452 2453 void 2454 in_getaddr(s, which) 2455 const char *s; 2456 int which; 2457 { 2458 struct sockaddr_in *sin = sintab[which]; 2459 struct hostent *hp; 2460 struct netent *np; 2461 2462 sin->sin_len = sizeof(*sin); 2463 if (which != MASK) 2464 sin->sin_family = AF_INET; 2465 2466 if (which == ADDR) { 2467 char *p = NULL; 2468 if ((p = strrchr(s, '/')) != NULL) { 2469 *p = '\0'; 2470 in_getprefix(p + 1, MASK); 2471 } 2472 } 2473 2474 if (inet_aton(s, &sin->sin_addr) == 0) { 2475 if ((hp = gethostbyname(s)) != NULL) 2476 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2477 else if ((np = getnetbyname(s)) != NULL) 2478 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2479 else 2480 errx(1, "%s: bad value", s); 2481 } 2482 } 2483 2484 void 2485 in_getprefix(plen, which) 2486 const char *plen; 2487 int which; 2488 { 2489 register struct sockaddr_in *sin = sintab[which]; 2490 register u_char *cp; 2491 int len = strtol(plen, (char **)NULL, 10); 2492 2493 if ((len < 0) || (len > 32)) 2494 errx(1, "%s: bad value", plen); 2495 sin->sin_len = sizeof(*sin); 2496 if (which != MASK) 2497 sin->sin_family = AF_INET; 2498 if ((len == 0) || (len == 32)) { 2499 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2500 return; 2501 } 2502 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2503 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2504 *cp++ = 0xff; 2505 if (len) 2506 *cp = 0xff << (8 - len); 2507 } 2508 2509 /* 2510 * Print a value a la the %b format of the kernel's printf 2511 */ 2512 void 2513 printb(s, v, bits) 2514 const char *s; 2515 unsigned short v; 2516 const char *bits; 2517 { 2518 int i, any = 0; 2519 char c; 2520 2521 if (bits && *bits == 8) 2522 printf("%s=%o", s, v); 2523 else 2524 printf("%s=%x", s, v); 2525 bits++; 2526 if (bits) { 2527 putchar('<'); 2528 while ((i = *bits++) != 0) { 2529 if (v & (1 << (i-1))) { 2530 if (any) 2531 putchar(','); 2532 any = 1; 2533 for (; (c = *bits) > 32; bits++) 2534 putchar(c); 2535 } else 2536 for (; *bits > 32; bits++) 2537 ; 2538 } 2539 putchar('>'); 2540 } 2541 } 2542 2543 #ifdef INET6 2544 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2545 struct sockaddr_in6 *sin6tab[] = { 2546 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2547 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2548 2549 void 2550 in6_getaddr(s, which) 2551 const char *s; 2552 int which; 2553 { 2554 #if defined(__KAME__) && defined(KAME_SCOPEID) 2555 struct sockaddr_in6 *sin6 = sin6tab[which]; 2556 struct addrinfo hints, *res; 2557 int error; 2558 2559 memset(&hints, 0, sizeof(hints)); 2560 hints.ai_family = AF_INET6; 2561 hints.ai_socktype = SOCK_DGRAM; 2562 #if 0 /* in_getaddr() allows FQDN */ 2563 hints.ai_flags = AI_NUMERICHOST; 2564 #endif 2565 error = getaddrinfo(s, "0", &hints, &res); 2566 if (error) 2567 errx(1, "%s: %s", s, gai_strerror(error)); 2568 if (res->ai_next) 2569 errx(1, "%s: resolved to multiple hosts", s); 2570 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2571 errx(1, "%s: bad value", s); 2572 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2573 freeaddrinfo(res); 2574 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2575 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2576 htons(sin6->sin6_scope_id); 2577 sin6->sin6_scope_id = 0; 2578 } 2579 #else 2580 struct sockaddr_in6 *sin = sin6tab[which]; 2581 2582 sin->sin6_len = sizeof(*sin); 2583 if (which != MASK) 2584 sin->sin6_family = AF_INET6; 2585 2586 if (which == ADDR) { 2587 char *p = NULL; 2588 if((p = strrchr(s, '/')) != NULL) { 2589 *p = '\0'; 2590 in6_getprefix(p + 1, MASK); 2591 explicit_prefix = 1; 2592 } 2593 } 2594 2595 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2596 errx(1, "%s: bad value", s); 2597 #endif 2598 } 2599 2600 void 2601 in6_getprefix(plen, which) 2602 const char *plen; 2603 int which; 2604 { 2605 register struct sockaddr_in6 *sin = sin6tab[which]; 2606 register u_char *cp; 2607 int len = strtol(plen, (char **)NULL, 10); 2608 2609 if ((len < 0) || (len > 128)) 2610 errx(1, "%s: bad value", plen); 2611 sin->sin6_len = sizeof(*sin); 2612 if (which != MASK) 2613 sin->sin6_family = AF_INET6; 2614 if ((len == 0) || (len == 128)) { 2615 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2616 return; 2617 } 2618 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2619 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2620 *cp++ = 0xff; 2621 if (len) 2622 *cp = 0xff << (8 - len); 2623 } 2624 2625 int 2626 prefix(val, size) 2627 void *val; 2628 int size; 2629 { 2630 register u_char *name = (u_char *)val; 2631 register int byte, bit, plen = 0; 2632 2633 for (byte = 0; byte < size; byte++, plen += 8) 2634 if (name[byte] != 0xff) 2635 break; 2636 if (byte == size) 2637 return (plen); 2638 for (bit = 7; bit != 0; bit--, plen++) 2639 if (!(name[byte] & (1 << bit))) 2640 break; 2641 for (; bit != 0; bit--) 2642 if (name[byte] & (1 << bit)) 2643 return(0); 2644 byte++; 2645 for (; byte < size; byte++) 2646 if (name[byte]) 2647 return(0); 2648 return (plen); 2649 } 2650 #endif /*INET6*/ 2651 2652 #ifndef INET_ONLY 2653 void 2654 at_getaddr(addr, which) 2655 const char *addr; 2656 int which; 2657 { 2658 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2659 u_int net, node; 2660 2661 sat->sat_family = AF_APPLETALK; 2662 sat->sat_len = sizeof(*sat); 2663 if (which == MASK) 2664 errx(1, "AppleTalk does not use netmasks\n"); 2665 if (sscanf(addr, "%u.%u", &net, &node) != 2 2666 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2667 errx(1, "%s: illegal address", addr); 2668 sat->sat_addr.s_net = htons(net); 2669 sat->sat_addr.s_node = node; 2670 } 2671 2672 void 2673 setatrange(range, d) 2674 const char *range; 2675 int d; 2676 { 2677 u_short first = 123, last = 123; 2678 2679 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2680 || first == 0 || first > 0xffff 2681 || last == 0 || last > 0xffff || first > last) 2682 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2683 at_nr.nr_firstnet = htons(first); 2684 at_nr.nr_lastnet = htons(last); 2685 } 2686 2687 void 2688 setatphase(phase, d) 2689 const char *phase; 2690 int d; 2691 { 2692 if (!strcmp(phase, "1")) 2693 at_nr.nr_phase = 1; 2694 else if (!strcmp(phase, "2")) 2695 at_nr.nr_phase = 2; 2696 else 2697 errx(1, "%s: illegal phase", phase); 2698 } 2699 2700 void 2701 checkatrange(sat) 2702 struct sockaddr_at *sat; 2703 { 2704 if (at_nr.nr_phase == 0) 2705 at_nr.nr_phase = 2; /* Default phase 2 */ 2706 if (at_nr.nr_firstnet == 0) 2707 at_nr.nr_firstnet = /* Default range of one */ 2708 at_nr.nr_lastnet = sat->sat_addr.s_net; 2709 printf("\tatalk %d.%d range %d-%d phase %d\n", 2710 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2711 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2712 if ((u_short) ntohs(at_nr.nr_firstnet) > 2713 (u_short) ntohs(sat->sat_addr.s_net) 2714 || (u_short) ntohs(at_nr.nr_lastnet) < 2715 (u_short) ntohs(sat->sat_addr.s_net)) 2716 errx(1, "AppleTalk address is not in range"); 2717 *((struct netrange *) &sat->sat_zero) = at_nr; 2718 } 2719 2720 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2721 struct sockaddr_ns *snstab[] = { 2722 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2723 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2724 2725 void 2726 xns_getaddr(addr, which) 2727 const char *addr; 2728 int which; 2729 { 2730 struct sockaddr_ns *sns = snstab[which]; 2731 2732 sns->sns_family = AF_NS; 2733 sns->sns_len = sizeof(*sns); 2734 sns->sns_addr = ns_addr(addr); 2735 if (which == MASK) 2736 puts("Attempt to set XNS netmask will be ineffectual"); 2737 } 2738 2739 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2740 struct sockaddr_iso *sisotab[] = { 2741 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2742 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2743 2744 void 2745 iso_getaddr(addr, which) 2746 const char *addr; 2747 int which; 2748 { 2749 struct sockaddr_iso *siso = sisotab[which]; 2750 siso->siso_addr = *iso_addr(addr); 2751 2752 if (which == MASK) { 2753 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2754 siso->siso_nlen = 0; 2755 } else { 2756 siso->siso_len = sizeof(*siso); 2757 siso->siso_family = AF_ISO; 2758 } 2759 } 2760 2761 void 2762 setsnpaoffset(val, d) 2763 const char *val; 2764 int d; 2765 { 2766 iso_addreq.ifra_snpaoffset = atoi(val); 2767 } 2768 2769 void 2770 setnsellength(val, d) 2771 const char *val; 2772 int d; 2773 { 2774 nsellength = atoi(val); 2775 if (nsellength < 0) 2776 errx(1, "Negative NSEL length is absurd"); 2777 if (afp == 0 || afp->af_af != AF_ISO) 2778 errx(1, "Setting NSEL length valid only for iso"); 2779 } 2780 2781 void 2782 fixnsel(s) 2783 struct sockaddr_iso *s; 2784 { 2785 if (s->siso_family == 0) 2786 return; 2787 s->siso_tlen = nsellength; 2788 } 2789 2790 void 2791 adjust_nsellength() 2792 { 2793 fixnsel(sisotab[RIDADDR]); 2794 fixnsel(sisotab[ADDR]); 2795 fixnsel(sisotab[DSTADDR]); 2796 } 2797 2798 #endif /* INET_ONLY */ 2799 2800 void 2801 usage() 2802 { 2803 const char *progname = getprogname(); 2804 2805 fprintf(stderr, 2806 "usage: %s [ -m ] " 2807 #ifdef INET6 2808 "[ -L ] " 2809 #endif 2810 "interface\n" 2811 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2812 "\t\t[ alias | -alias ] ]\n" 2813 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2814 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2815 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2816 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2817 "\t[ arp | -arp ]\n" 2818 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2819 "[ instance minst ]\n" 2820 "\t[ vlan n vlanif i ]\n" 2821 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2822 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2823 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2824 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2825 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2826 " %s -C\n" 2827 " %s interface create\n" 2828 " %s interface destroy\n", 2829 progname, progname, progname, progname, progname, progname); 2830 exit(1); 2831 } 2832 2833 #ifdef INET6 2834 char * 2835 sec2str(total) 2836 time_t total; 2837 { 2838 static char result[256]; 2839 int days, hours, mins, secs; 2840 int first = 1; 2841 char *p = result; 2842 char *end = &result[sizeof(result)]; 2843 int n; 2844 2845 if (0) { /*XXX*/ 2846 days = total / 3600 / 24; 2847 hours = (total / 3600) % 24; 2848 mins = (total / 60) % 60; 2849 secs = total % 60; 2850 2851 if (days) { 2852 first = 0; 2853 n = snprintf(p, end - p, "%dd", days); 2854 if (n < 0 || n >= end - p) 2855 return(result); 2856 p += n; 2857 } 2858 if (!first || hours) { 2859 first = 0; 2860 n = snprintf(p, end - p, "%dh", hours); 2861 if (n < 0 || n >= end - p) 2862 return(result); 2863 p += n; 2864 } 2865 if (!first || mins) { 2866 first = 0; 2867 n = snprintf(p, end - p, "%dm", mins); 2868 if (n < 0 || n >= end - p) 2869 return(result); 2870 p += n; 2871 } 2872 snprintf(p, end - p, "%ds", secs); 2873 } else 2874 snprintf(p, end - p, "%lu", (u_long)total); 2875 2876 return(result); 2877 } 2878 #endif 2879
Indexes created Tue Sep 30 20:09:53 GMT 2025