ifconfig.c revision 1.110
1 /* $NetBSD: ifconfig.c,v 1.110 2001/07/25 17:29:14 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 1.110 2001/07/25 17:29:14 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 #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 nsellength = 1; 143 int af; 144 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 145 #ifdef INET6 146 int Lflag; 147 #endif 148 int reset_if_flags; 149 int explicit_prefix = 0; 150 u_int vlan_tag = (u_int)-1; 151 152 struct ifcapreq g_ifcr; 153 int g_ifcr_updated; 154 155 void notealias __P((const char *, int)); 156 void notrailers __P((const char *, int)); 157 void setifaddr __P((const char *, int)); 158 void setifdstaddr __P((const char *, int)); 159 void setifflags __P((const char *, int)); 160 void setifcaps __P((const char *, int)); 161 void setifbroadaddr __P((const char *, int)); 162 void setifipdst __P((const char *, int)); 163 void setifmetric __P((const char *, int)); 164 void setifmtu __P((const char *, int)); 165 void setifnwid __P((const char *, int)); 166 void setifnwkey __P((const char *, int)); 167 void setifpowersave __P((const char *, int)); 168 void setifpowersavesleep __P((const char *, int)); 169 void setifnetmask __P((const char *, int)); 170 void setifprefixlen __P((const char *, int)); 171 void setnsellength __P((const char *, int)); 172 void setsnpaoffset __P((const char *, int)); 173 void setatrange __P((const char *, int)); 174 void setatphase __P((const char *, int)); 175 void settunnel __P((const char *, const char *)); 176 void deletetunnel __P((const char *, int)); 177 #ifdef INET6 178 void setia6flags __P((const char *, int)); 179 void setia6pltime __P((const char *, int)); 180 void setia6vltime __P((const char *, int)); 181 void setia6lifetime __P((const char *, const char *)); 182 #endif 183 void checkatrange __P ((struct sockaddr_at *)); 184 void setmedia __P((const char *, int)); 185 void setmediaopt __P((const char *, int)); 186 void unsetmediaopt __P((const char *, int)); 187 void setmediainst __P((const char *, int)); 188 void clone_create __P((const char *, int)); 189 void clone_destroy __P((const char *, int)); 190 void fixnsel __P((struct sockaddr_iso *)); 191 void setvlan __P((const char *, int)); 192 void setvlanif __P((const char *, int)); 193 void unsetvlanif __P((const char *, int)); 194 int main __P((int, char *[])); 195 196 /* 197 * Media stuff. Whenever a media command is first performed, the 198 * currently select media is grabbed for this interface. If `media' 199 * is given, the current media word is modifed. `mediaopt' commands 200 * only modify the set and clear words. They then operate on the 201 * current media word later. 202 */ 203 int media_current; 204 int mediaopt_set; 205 int mediaopt_clear; 206 207 int actions; /* Actions performed */ 208 209 #define A_MEDIA 0x0001 /* media command */ 210 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 211 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 212 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 213 #define A_MEDIAINST 0x0008 /* instance or inst command */ 214 215 #define NEXTARG 0xffffff 216 #define NEXTARG2 0xfffffe 217 218 const struct cmd { 219 const char *c_name; 220 int c_parameter; /* NEXTARG means next argv */ 221 int c_action; /* defered action */ 222 void (*c_func) __P((const char *, int)); 223 void (*c_func2) __P((const char *, const char *)); 224 } cmds[] = { 225 { "up", IFF_UP, 0, setifflags } , 226 { "down", -IFF_UP, 0, setifflags }, 227 { "trailers", -1, 0, notrailers }, 228 { "-trailers", 1, 0, notrailers }, 229 { "arp", -IFF_NOARP, 0, setifflags }, 230 { "-arp", IFF_NOARP, 0, setifflags }, 231 { "debug", IFF_DEBUG, 0, setifflags }, 232 { "-debug", -IFF_DEBUG, 0, setifflags }, 233 { "alias", IFF_UP, 0, notealias }, 234 { "-alias", -IFF_UP, 0, notealias }, 235 { "delete", -IFF_UP, 0, notealias }, 236 #ifdef notdef 237 #define EN_SWABIPS 0x1000 238 { "swabips", EN_SWABIPS, 0, setifflags }, 239 { "-swabips", -EN_SWABIPS, 0, setifflags }, 240 #endif 241 { "netmask", NEXTARG, 0, setifnetmask }, 242 { "metric", NEXTARG, 0, setifmetric }, 243 { "mtu", NEXTARG, 0, setifmtu }, 244 { "nwid", NEXTARG, 0, setifnwid }, 245 { "nwkey", NEXTARG, 0, setifnwkey }, 246 { "-nwkey", -1, 0, setifnwkey }, 247 { "powersave", 1, 0, setifpowersave }, 248 { "-powersave", 0, 0, setifpowersave }, 249 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 250 { "broadcast", NEXTARG, 0, setifbroadaddr }, 251 { "ipdst", NEXTARG, 0, setifipdst }, 252 { "prefixlen", NEXTARG, 0, setifprefixlen}, 253 #ifdef INET6 254 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 255 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 256 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 257 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 258 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 259 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 260 { "pltime", NEXTARG, 0, setia6pltime }, 261 { "vltime", NEXTARG, 0, setia6vltime }, 262 #endif /*INET6*/ 263 #ifndef INET_ONLY 264 { "range", NEXTARG, 0, setatrange }, 265 { "phase", NEXTARG, 0, setatphase }, 266 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 267 { "nsellength", NEXTARG, 0, setnsellength }, 268 #endif /* INET_ONLY */ 269 { "tunnel", NEXTARG2, 0, NULL, 270 settunnel } , 271 { "deletetunnel", 0, 0, deletetunnel }, 272 { "vlan", NEXTARG, 0, setvlan } , 273 { "vlanif", NEXTARG, 0, setvlanif } , 274 { "-vlanif", 0, 0, unsetvlanif } , 275 { "deletetunnel", 0, 0, deletetunnel }, 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 { 0, 0, 0, setifaddr }, 303 { 0, 0, 0, setifdstaddr }, 304 }; 305 306 void adjust_nsellength __P((void)); 307 int getinfo __P((struct ifreq *)); 308 int carrier __P((void)); 309 void getsock __P((int)); 310 void printall __P((const char *)); 311 void list_cloners __P((void)); 312 void printb __P((const char *, unsigned short, const char *)); 313 int prefix __P((void *, int)); 314 void status __P((const u_int8_t *, int)); 315 void usage __P((void)); 316 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 317 void print_string __P((const u_int8_t *, int)); 318 char *sec2str __P((time_t)); 319 320 const char *get_media_type_string __P((int)); 321 const char *get_media_subtype_string __P((int)); 322 int get_media_subtype __P((int, const char *)); 323 int get_media_options __P((int, const char *)); 324 int lookup_media_word __P((struct ifmedia_description *, int, 325 const char *)); 326 void print_media_word __P((int, int, int)); 327 void process_media_commands __P((void)); 328 void init_current_media __P((void)); 329 330 /* 331 * XNS support liberally adapted from code written at the University of 332 * Maryland principally by James O'Toole and Chris Torek. 333 */ 334 void in_alias __P((struct ifreq *)); 335 void in_status __P((int)); 336 void in_getaddr __P((const char *, int)); 337 void in_getprefix __P((const char *, int)); 338 #ifdef INET6 339 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 340 void in6_alias __P((struct in6_ifreq *)); 341 void in6_status __P((int)); 342 void in6_getaddr __P((const char *, int)); 343 void in6_getprefix __P((const char *, int)); 344 #endif 345 void at_status __P((int)); 346 void at_getaddr __P((const char *, int)); 347 void xns_status __P((int)); 348 void xns_getaddr __P((const char *, int)); 349 void iso_status __P((int)); 350 void iso_getaddr __P((const char *, int)); 351 352 void ieee80211_status __P((void)); 353 void tunnel_status __P((void)); 354 void vlan_status __P((void)); 355 356 /* Known address families */ 357 struct afswtch { 358 const char *af_name; 359 short af_af; 360 void (*af_status) __P((int)); 361 void (*af_getaddr) __P((const char *, int)); 362 void (*af_getprefix) __P((const char *, int)); 363 u_long af_difaddr; 364 u_long af_aifaddr; 365 u_long af_gifaddr; 366 caddr_t af_ridreq; 367 caddr_t af_addreq; 368 } afs[] = { 369 #define C(x) ((caddr_t) &x) 370 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 371 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 372 #ifdef INET6 373 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 374 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 375 /* 376 * Deleting the first address before setting new one is 377 * not prefered way in this protocol. 378 */ 379 0, 380 C(in6_ridreq), C(in6_addreq) }, 381 #endif 382 #ifndef INET_ONLY /* small version, for boot media */ 383 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 384 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 385 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 386 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 387 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 388 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 389 C(iso_ridreq), C(iso_addreq) }, 390 #endif /* INET_ONLY */ 391 { 0, 0, 0, 0 } 392 }; 393 394 struct afswtch *afp; /*the address family being set or asked about*/ 395 396 struct afswtch *lookup_af __P((const char *)); 397 398 int 399 main(argc, argv) 400 int argc; 401 char *argv[]; 402 { 403 struct ifreq ifreq; 404 int ch; 405 406 /* Parse command-line options */ 407 aflag = mflag = 0; 408 while ((ch = getopt(argc, argv, "AabCdlmsu" 409 #ifdef INET6 410 "L" 411 #endif 412 )) != -1) { 413 switch (ch) { 414 case 'A': 415 warnx("-A is deprecated"); 416 break; 417 418 case 'a': 419 aflag = 1; 420 break; 421 422 case 'b': 423 bflag = 1; 424 break; 425 426 427 case 'C': 428 Cflag = 1; 429 break; 430 431 case 'd': 432 dflag = 1; 433 break; 434 435 #ifdef INET6 436 case 'L': 437 Lflag = 1; 438 break; 439 #endif 440 441 case 'l': 442 lflag = 1; 443 break; 444 445 case 'm': 446 mflag = 1; 447 break; 448 449 case 's': 450 sflag = 1; 451 break; 452 453 case 'u': 454 uflag = 1; 455 break; 456 457 458 default: 459 usage(); 460 /* NOTREACHED */ 461 } 462 } 463 argc -= optind; 464 argv += optind; 465 466 /* 467 * -l means "list all interfaces", and is mutally exclusive with 468 * all other flags/commands. 469 * 470 * -C means "list all names of cloners", and it mutually exclusive 471 * with all other flags/commands. 472 * 473 * -a means "print status of all interfaces". 474 */ 475 if ((lflag || Cflag) && (aflag || mflag || argc)) 476 usage(); 477 #ifdef INET6 478 if ((lflag || Cflag) && Lflag) 479 usage(); 480 #endif 481 if (lflag && Cflag) 482 usage(); 483 if (Cflag) { 484 if (argc) 485 usage(); 486 list_cloners(); 487 exit(0); 488 } 489 if (aflag || lflag) { 490 if (argc > 1) 491 usage(); 492 else if (argc == 1) { 493 afp = lookup_af(argv[0]); 494 if (afp == NULL) 495 usage(); 496 } 497 if (afp) 498 af = ifr.ifr_addr.sa_family = afp->af_af; 499 else 500 af = ifr.ifr_addr.sa_family = afs[0].af_af; 501 printall(NULL); 502 exit(0); 503 } 504 505 /* Make sure there's an interface name. */ 506 if (argc < 1) 507 usage(); 508 (void) strncpy(name, argv[0], sizeof(name)); 509 argc--; argv++; 510 511 /* 512 * NOTE: We must special-case the `create' command right 513 * here as we would otherwise fail in getinfo(). 514 */ 515 if (argc > 0 && strcmp(argv[0], "create") == 0) { 516 clone_create(argv[0], 0); 517 argc--, argv++; 518 if (argc == 0) 519 exit(0); 520 } 521 522 /* Check for address family. */ 523 afp = NULL; 524 if (argc > 0) { 525 afp = lookup_af(argv[0]); 526 if (afp != NULL) { 527 argv++; 528 argc--; 529 } 530 } 531 532 /* Initialize af, just for use in getinfo(). */ 533 if (afp == NULL) 534 af = afs->af_af; 535 else 536 af = afp->af_af; 537 538 /* Get information about the interface. */ 539 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 540 if (getinfo(&ifr) < 0) 541 exit(1); 542 543 if (sflag) { 544 if (argc != 0) 545 usage(); 546 else 547 exit(carrier()); 548 } 549 550 /* No more arguments means interface status. */ 551 if (argc == 0) { 552 printall(name); 553 exit(0); 554 } 555 556 /* The following operations assume inet family as the default. */ 557 if (afp == NULL) 558 afp = afs; 559 af = ifr.ifr_addr.sa_family = afp->af_af; 560 561 #ifdef INET6 562 /* initialization */ 563 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 564 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 565 #endif 566 567 /* Process commands. */ 568 while (argc > 0) { 569 const struct cmd *p; 570 571 for (p = cmds; p->c_name; p++) 572 if (strcmp(argv[0], p->c_name) == 0) 573 break; 574 if (p->c_name == 0 && setaddr) { 575 if ((flags & IFF_POINTOPOINT) == 0) { 576 errx(1, "can't set destination address %s", 577 "on non-point-to-point link"); 578 } 579 p++; /* got src, do dst */ 580 } 581 if (p->c_func != NULL || p->c_func2 != NULL) { 582 if (p->c_parameter == NEXTARG) { 583 if (argc < 2) 584 errx(1, "'%s' requires argument", 585 p->c_name); 586 (*p->c_func)(argv[1], 0); 587 argc--, argv++; 588 } else if (p->c_parameter == NEXTARG2) { 589 if (argc < 3) 590 errx(1, "'%s' requires 2 arguments", 591 p->c_name); 592 (*p->c_func2)(argv[1], argv[2]); 593 argc -= 2, argv += 2; 594 } else 595 (*p->c_func)(argv[0], p->c_parameter); 596 actions |= p->c_action; 597 } 598 argc--, argv++; 599 } 600 601 /* Process any media commands that may have been issued. */ 602 process_media_commands(); 603 604 if (af == AF_INET6 && explicit_prefix == 0) { 605 /* 606 * Aggregatable address architecture defines all prefixes 607 * are 64. So, it is convenient to set prefixlen to 64 if 608 * it is not specified. 609 */ 610 setifprefixlen("64", 0); 611 /* in6_getprefix("64", MASK) if MASK is available here... */ 612 } 613 614 #ifndef INET_ONLY 615 if (af == AF_ISO) 616 adjust_nsellength(); 617 618 if (af == AF_APPLETALK) 619 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 620 621 if (setipdst && af==AF_NS) { 622 struct nsip_req rq; 623 int size = sizeof(rq); 624 625 rq.rq_ns = addreq.ifra_addr; 626 rq.rq_ip = addreq.ifra_dstaddr; 627 628 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 629 warn("encapsulation routing"); 630 } 631 632 #endif /* INET_ONLY */ 633 634 if (clearaddr) { 635 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 636 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 637 err(1, "SIOCDIFADDR"); 638 } 639 if (newaddr > 0) { 640 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 641 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 642 warn("SIOCAIFADDR"); 643 } 644 645 if (g_ifcr_updated) { 646 (void) strncpy(g_ifcr.ifcr_name, name, 647 sizeof(g_ifcr.ifcr_name)); 648 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) < 0) 649 err(1, "SIOCSIFCAP"); 650 } 651 652 if (reset_if_flags) { 653 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 654 ifreq.ifr_flags = flags; 655 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 656 err(1, "SIOCSIFFLAGS"); 657 } 658 exit(0); 659 } 660 661 struct afswtch * 662 lookup_af(cp) 663 const char *cp; 664 { 665 struct afswtch *a; 666 667 for (a = afs; a->af_name != NULL; a++) 668 if (strcmp(a->af_name, cp) == 0) 669 return (a); 670 return (NULL); 671 } 672 673 void 674 getsock(naf) 675 int naf; 676 { 677 static int oaf = -1; 678 679 if (oaf == naf) 680 return; 681 if (oaf != -1) 682 close(s); 683 s = socket(naf, SOCK_DGRAM, 0); 684 if (s < 0) 685 oaf = -1; 686 else 687 oaf = naf; 688 } 689 690 int 691 getinfo(ifr) 692 struct ifreq *ifr; 693 { 694 695 getsock(af); 696 if (s < 0) 697 err(1, "socket"); 698 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 699 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 700 return (-1); 701 } 702 flags = ifr->ifr_flags; 703 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 704 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 705 metric = 0; 706 } else 707 metric = ifr->ifr_metric; 708 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 709 mtu = 0; 710 else 711 mtu = ifr->ifr_mtu; 712 713 memset(&g_ifcr, 0, sizeof(g_ifcr)); 714 strcpy(g_ifcr.ifcr_name, ifr->ifr_name); 715 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 716 717 return (0); 718 } 719 720 void 721 printall(ifname) 722 const char *ifname; 723 { 724 struct ifaddrs *ifap, *ifa; 725 struct ifreq ifr; 726 const struct sockaddr_dl *sdl = NULL; 727 int idx; 728 char *p; 729 730 if (getifaddrs(&ifap) != 0) 731 err(1, "getifaddrs"); 732 p = NULL; 733 idx = 0; 734 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 735 memset(&ifr, 0, sizeof(ifr)); 736 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 737 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 738 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 739 ifa->ifa_addr->sa_len); 740 } 741 742 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 743 continue; 744 if (ifa->ifa_addr->sa_family == AF_LINK) 745 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 746 if (p && strcmp(p, ifa->ifa_name) == 0) 747 continue; 748 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 749 name[sizeof(name) - 1] = '\0'; 750 p = ifa->ifa_name; 751 752 if (getinfo(&ifr) < 0) 753 continue; 754 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 755 continue; 756 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 757 continue; 758 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 759 continue; 760 761 if (sflag && carrier()) 762 continue; 763 idx++; 764 /* 765 * Are we just listing the interfaces? 766 */ 767 if (lflag) { 768 if (idx > 1) 769 putchar(' '); 770 fputs(name, stdout); 771 continue; 772 } 773 774 if (sdl == NULL) { 775 status(NULL, 0); 776 } else { 777 status(LLADDR(sdl), sdl->sdl_alen); 778 sdl = NULL; 779 } 780 } 781 if (lflag) 782 putchar('\n'); 783 freeifaddrs(ifap); 784 } 785 786 void 787 list_cloners(void) 788 { 789 struct if_clonereq ifcr; 790 char *cp, *buf; 791 int idx; 792 793 memset(&ifcr, 0, sizeof(ifcr)); 794 795 getsock(AF_INET); 796 797 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 798 err(1, "SIOCIFGCLONERS for count"); 799 800 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 801 if (buf == NULL) 802 err(1, "unable to allocate cloner name buffer"); 803 804 ifcr.ifcr_count = ifcr.ifcr_total; 805 ifcr.ifcr_buffer = buf; 806 807 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 808 err(1, "SIOCIFGCLONERS for names"); 809 810 /* 811 * In case some disappeared in the mean time, clamp it down. 812 */ 813 if (ifcr.ifcr_count > ifcr.ifcr_total) 814 ifcr.ifcr_count = ifcr.ifcr_total; 815 816 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 817 if (idx > 0) 818 putchar(' '); 819 printf("%s", cp); 820 } 821 822 putchar('\n'); 823 free(buf); 824 return; 825 } 826 827 /*ARGSUSED*/ 828 void 829 clone_create(addr, param) 830 const char *addr; 831 int param; 832 { 833 834 /* We're called early... */ 835 getsock(AF_INET); 836 837 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 838 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 839 err(1, "SIOCIFCREATE"); 840 } 841 842 /*ARGSUSED*/ 843 void 844 clone_destroy(addr, param) 845 const char *addr; 846 int param; 847 { 848 849 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 850 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 851 err(1, "SIOCIFDESTROY"); 852 } 853 854 #define RIDADDR 0 855 #define ADDR 1 856 #define MASK 2 857 #define DSTADDR 3 858 859 /*ARGSUSED*/ 860 void 861 setifaddr(addr, param) 862 const char *addr; 863 int param; 864 { 865 struct ifreq *ifr; /* XXX */ 866 867 /* 868 * Delay the ioctl to set the interface addr until flags are all set. 869 * The address interpretation may depend on the flags, 870 * and the flags may change when the address is set. 871 */ 872 setaddr++; 873 if (newaddr == -1) 874 newaddr = 1; 875 if (doalias == 0 && afp->af_gifaddr != 0) { 876 ifr = (struct ifreq *)afp->af_ridreq; 877 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 878 ifr->ifr_addr.sa_family = afp->af_af; 879 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 880 clearaddr = 1; 881 else if (errno == EADDRNOTAVAIL) 882 /* No address was assigned yet. */ 883 ; 884 else 885 err(1, "SIOCGIFADDR"); 886 } 887 888 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 889 } 890 891 void 892 settunnel(src, dst) 893 const char *src, *dst; 894 { 895 struct addrinfo hints, *srcres, *dstres; 896 int ecode; 897 struct if_laddrreq req; 898 899 memset(&hints, 0, sizeof(hints)); 900 hints.ai_family = afp->af_af; 901 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 902 903 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 904 errx(1, "error in parsing address string: %s", 905 gai_strerror(ecode)); 906 907 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 908 errx(1, "error in parsing address string: %s", 909 gai_strerror(ecode)); 910 911 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 912 errx(1, 913 "source and destination address families do not match"); 914 915 if (srcres->ai_addrlen > sizeof(req.addr) || 916 dstres->ai_addrlen > sizeof(req.dstaddr)) 917 errx(1, "invalid sockaddr"); 918 919 memset(&req, 0, sizeof(req)); 920 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 921 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 922 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 923 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 924 warn("SIOCSLIFPHYADDR"); 925 926 freeaddrinfo(srcres); 927 freeaddrinfo(dstres); 928 } 929 930 /* ARGSUSED */ 931 void 932 deletetunnel(vname, param) 933 const char *vname; 934 int param; 935 { 936 937 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 938 err(1, "SIOCDIFPHYADDR"); 939 } 940 941 void setvlan(val, d) 942 const char *val; 943 int d; 944 { 945 struct vlanreq vlr; 946 947 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 948 !isdigit(ifr.ifr_name[4])) 949 errx(EXIT_FAILURE, 950 "``vlan'' valid only with vlan(4) interfaces"); 951 952 vlan_tag = atoi(val); 953 954 memset(&vlr, 0, sizeof(vlr)); 955 ifr.ifr_data = (caddr_t)&vlr; 956 957 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 958 err(EXIT_FAILURE, "SIOCGETVLAN"); 959 960 vlr.vlr_tag = vlan_tag; 961 962 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 963 err(EXIT_FAILURE, "SIOCSETVLAN"); 964 } 965 966 void setvlanif(val, d) 967 const char *val; 968 int d; 969 { 970 struct vlanreq vlr; 971 972 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 973 !isdigit(ifr.ifr_name[4])) 974 errx(EXIT_FAILURE, 975 "``vlanif'' valid only with vlan(4) interfaces"); 976 977 if (vlan_tag == (u_int)-1) 978 errx(EXIT_FAILURE, 979 "must specify both ``vlan'' and ``vlanif''"); 980 981 memset(&vlr, 0, sizeof(vlr)); 982 ifr.ifr_data = (caddr_t)&vlr; 983 984 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 985 err(EXIT_FAILURE, "SIOCGETVLAN"); 986 987 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 988 vlr.vlr_tag = vlan_tag; 989 990 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 991 err(EXIT_FAILURE, "SIOCSETVLAN"); 992 } 993 994 void unsetvlanif(val, d) 995 const char *val; 996 int d; 997 { 998 struct vlanreq vlr; 999 1000 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1001 !isdigit(ifr.ifr_name[4])) 1002 errx(EXIT_FAILURE, 1003 "``vlanif'' valid only with vlan(4) interfaces"); 1004 1005 memset(&vlr, 0, sizeof(vlr)); 1006 ifr.ifr_data = (caddr_t)&vlr; 1007 1008 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1009 err(EXIT_FAILURE, "SIOCGETVLAN"); 1010 1011 vlr.vlr_parent[0] = '\0'; 1012 vlr.vlr_tag = 0; 1013 1014 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1015 err(EXIT_FAILURE, "SIOCSETVLAN"); 1016 } 1017 1018 void 1019 setifnetmask(addr, d) 1020 const char *addr; 1021 int d; 1022 { 1023 (*afp->af_getaddr)(addr, MASK); 1024 } 1025 1026 void 1027 setifbroadaddr(addr, d) 1028 const char *addr; 1029 int d; 1030 { 1031 (*afp->af_getaddr)(addr, DSTADDR); 1032 } 1033 1034 void 1035 setifipdst(addr, d) 1036 const char *addr; 1037 int d; 1038 { 1039 in_getaddr(addr, DSTADDR); 1040 setipdst++; 1041 clearaddr = 0; 1042 newaddr = 0; 1043 } 1044 1045 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1046 /*ARGSUSED*/ 1047 void 1048 notealias(addr, param) 1049 const char *addr; 1050 int param; 1051 { 1052 if (setaddr && doalias == 0 && param < 0) 1053 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1054 rqtosa(af_addreq)->sa_len); 1055 doalias = param; 1056 if (param < 0) { 1057 clearaddr = 1; 1058 newaddr = 0; 1059 } else 1060 clearaddr = 0; 1061 } 1062 1063 /*ARGSUSED*/ 1064 void 1065 notrailers(vname, value) 1066 const char *vname; 1067 int value; 1068 { 1069 puts("Note: trailers are no longer sent, but always received"); 1070 } 1071 1072 /*ARGSUSED*/ 1073 void 1074 setifdstaddr(addr, param) 1075 const char *addr; 1076 int param; 1077 { 1078 (*afp->af_getaddr)(addr, DSTADDR); 1079 } 1080 1081 void 1082 setifflags(vname, value) 1083 const char *vname; 1084 int value; 1085 { 1086 struct ifreq ifreq; 1087 1088 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1089 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1090 err(1, "SIOCGIFFLAGS"); 1091 flags = ifreq.ifr_flags; 1092 1093 if (value < 0) { 1094 value = -value; 1095 flags &= ~value; 1096 } else 1097 flags |= value; 1098 ifreq.ifr_flags = flags; 1099 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1100 err(1, "SIOCSIFFLAGS"); 1101 1102 reset_if_flags = 1; 1103 } 1104 1105 void 1106 setifcaps(vname, value) 1107 const char *vname; 1108 int value; 1109 { 1110 1111 if (value < 0) { 1112 value = -value; 1113 g_ifcr.ifcr_capenable &= ~value; 1114 } else 1115 g_ifcr.ifcr_capenable |= value; 1116 1117 g_ifcr_updated = 1; 1118 } 1119 1120 #ifdef INET6 1121 void 1122 setia6flags(vname, value) 1123 const char *vname; 1124 int value; 1125 { 1126 if (value < 0) { 1127 value = -value; 1128 in6_addreq.ifra_flags &= ~value; 1129 } else 1130 in6_addreq.ifra_flags |= value; 1131 } 1132 1133 void 1134 setia6pltime(val, d) 1135 const char *val; 1136 int d; 1137 { 1138 setia6lifetime("pltime", val); 1139 } 1140 1141 void 1142 setia6vltime(val, d) 1143 const char *val; 1144 int d; 1145 { 1146 setia6lifetime("vltime", val); 1147 } 1148 1149 void 1150 setia6lifetime(cmd, val) 1151 const char *cmd; 1152 const char *val; 1153 { 1154 time_t newval, t; 1155 char *ep; 1156 1157 t = time(NULL); 1158 newval = (time_t)strtoul(val, &ep, 0); 1159 if (val == ep) 1160 errx(1, "invalid %s", cmd); 1161 if (afp->af_af != AF_INET6) 1162 errx(1, "%s not allowed for the AF", cmd); 1163 if (strcmp(cmd, "vltime") == 0) { 1164 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1165 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1166 } else if (strcmp(cmd, "pltime") == 0) { 1167 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1168 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1169 } 1170 } 1171 #endif 1172 1173 void 1174 setifmetric(val, d) 1175 const char *val; 1176 int d; 1177 { 1178 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1179 ifr.ifr_metric = atoi(val); 1180 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1181 warn("SIOCSIFMETRIC"); 1182 } 1183 1184 void 1185 setifmtu(val, d) 1186 const char *val; 1187 int d; 1188 { 1189 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1190 ifr.ifr_mtu = atoi(val); 1191 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1192 warn("SIOCSIFMTU"); 1193 } 1194 1195 const char * 1196 get_string(val, sep, buf, lenp) 1197 const char *val, *sep; 1198 u_int8_t *buf; 1199 int *lenp; 1200 { 1201 int len; 1202 int hexstr; 1203 u_int8_t *p; 1204 1205 len = *lenp; 1206 p = buf; 1207 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1208 if (hexstr) 1209 val += 2; 1210 for (;;) { 1211 if (*val == '\0') 1212 break; 1213 if (sep != NULL && strchr(sep, *val) != NULL) { 1214 val++; 1215 break; 1216 } 1217 if (hexstr) { 1218 if (!isxdigit((u_char)val[0]) || 1219 !isxdigit((u_char)val[1])) { 1220 warnx("bad hexadecimal digits"); 1221 return NULL; 1222 } 1223 } 1224 if (p > buf + len) { 1225 if (hexstr) 1226 warnx("hexadecimal digits too long"); 1227 else 1228 warnx("strings too long"); 1229 return NULL; 1230 } 1231 if (hexstr) { 1232 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1233 *p++ = (tohex((u_char)val[0]) << 4) | 1234 tohex((u_char)val[1]); 1235 #undef tohex 1236 val += 2; 1237 } else 1238 *p++ = *val++; 1239 } 1240 len = p - buf; 1241 if (len < *lenp) 1242 memset(p, 0, *lenp - len); 1243 *lenp = len; 1244 return val; 1245 } 1246 1247 void 1248 print_string(buf, len) 1249 const u_int8_t *buf; 1250 int len; 1251 { 1252 int i; 1253 int hasspc; 1254 1255 i = 0; 1256 hasspc = 0; 1257 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1258 for (; i < len; i++) { 1259 if (!isprint(buf[i])) 1260 break; 1261 if (isspace(buf[i])) 1262 hasspc++; 1263 } 1264 } 1265 if (i == len) { 1266 if (hasspc || len == 0) 1267 printf("\"%.*s\"", len, buf); 1268 else 1269 printf("%.*s", len, buf); 1270 } else { 1271 printf("0x"); 1272 for (i = 0; i < len; i++) 1273 printf("%02x", buf[i]); 1274 } 1275 } 1276 1277 void 1278 setifnwid(val, d) 1279 const char *val; 1280 int d; 1281 { 1282 struct ieee80211_nwid nwid; 1283 int len; 1284 1285 len = sizeof(nwid.i_nwid); 1286 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1287 return; 1288 nwid.i_len = len; 1289 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1290 ifr.ifr_data = (caddr_t)&nwid; 1291 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1292 warn("SIOCS80211NWID"); 1293 } 1294 1295 void 1296 setifnwkey(val, d) 1297 const char *val; 1298 int d; 1299 { 1300 struct ieee80211_nwkey nwkey; 1301 int i; 1302 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1303 1304 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1305 nwkey.i_defkid = 1; 1306 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1307 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1308 nwkey.i_key[i].i_keydat = keybuf[i]; 1309 } 1310 if (d != 0) { 1311 /* disable WEP encryption */ 1312 nwkey.i_wepon = 0; 1313 i = 0; 1314 } else if (strcasecmp("persist", val) == 0) { 1315 /* use all values from persistent memory */ 1316 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1317 nwkey.i_defkid = 0; 1318 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1319 nwkey.i_key[i].i_keylen = -1; 1320 } else if (strncasecmp("persist:", val, 8) == 0) { 1321 val += 8; 1322 /* program keys in persistent memory */ 1323 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1324 goto set_nwkey; 1325 } else { 1326 set_nwkey: 1327 if (isdigit(val[0]) && val[1] == ':') { 1328 /* specifying a full set of four keys */ 1329 nwkey.i_defkid = val[0] - '0'; 1330 val += 2; 1331 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1332 val = get_string(val, ",", keybuf[i], 1333 &nwkey.i_key[i].i_keylen); 1334 if (val == NULL) 1335 return; 1336 } 1337 if (*val != '\0') { 1338 warnx("SIOCS80211NWKEY: too many keys."); 1339 return; 1340 } 1341 } else { 1342 val = get_string(val, NULL, keybuf[0], 1343 &nwkey.i_key[0].i_keylen); 1344 if (val == NULL) 1345 return; 1346 i = 1; 1347 } 1348 } 1349 for (; i < IEEE80211_WEP_NKID; i++) 1350 nwkey.i_key[i].i_keylen = 0; 1351 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1352 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1353 warn("SIOCS80211NWKEY"); 1354 } 1355 1356 void 1357 setifpowersave(val, d) 1358 const char *val; 1359 int d; 1360 { 1361 struct ieee80211_power power; 1362 1363 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1364 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1365 warn("SIOCG80211POWER"); 1366 return; 1367 } 1368 1369 power.i_enabled = d; 1370 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1371 warn("SIOCS80211POWER"); 1372 } 1373 1374 void 1375 setifpowersavesleep(val, d) 1376 const char *val; 1377 int d; 1378 { 1379 struct ieee80211_power power; 1380 1381 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1382 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1383 warn("SIOCG80211POWER"); 1384 return; 1385 } 1386 1387 power.i_maxsleep = atoi(val); 1388 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1389 warn("SIOCS80211POWER"); 1390 } 1391 1392 void 1393 ieee80211_status() 1394 { 1395 int i, nwkey_verbose; 1396 struct ieee80211_nwid nwid; 1397 struct ieee80211_nwkey nwkey; 1398 struct ieee80211_power power; 1399 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1400 1401 memset(&ifr, 0, sizeof(ifr)); 1402 ifr.ifr_data = (caddr_t)&nwid; 1403 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1404 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1405 return; 1406 if (nwid.i_len > IEEE80211_NWID_LEN) { 1407 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1408 return; 1409 } 1410 printf("\tnwid "); 1411 print_string(nwid.i_nwid, nwid.i_len); 1412 memset(&nwkey, 0, sizeof(nwkey)); 1413 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1414 /* show nwkey only when WEP is enabled */ 1415 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1416 nwkey.i_wepon == 0) { 1417 printf("\n"); 1418 goto skip_wep; 1419 } 1420 1421 printf(" nwkey "); 1422 /* try to retrieve WEP keys */ 1423 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1424 nwkey.i_key[i].i_keydat = keybuf[i]; 1425 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1426 } 1427 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1428 printf("*****"); 1429 } else { 1430 nwkey_verbose = 0; 1431 /* check to see non default key or multiple keys defined */ 1432 if (nwkey.i_defkid != 1) { 1433 nwkey_verbose = 1; 1434 } else { 1435 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1436 if (nwkey.i_key[i].i_keylen != 0) { 1437 nwkey_verbose = 1; 1438 break; 1439 } 1440 } 1441 } 1442 /* check extra ambiguity with keywords */ 1443 if (!nwkey_verbose) { 1444 if (nwkey.i_key[0].i_keylen >= 2 && 1445 isdigit(nwkey.i_key[0].i_keydat[0]) && 1446 nwkey.i_key[0].i_keydat[1] == ':') 1447 nwkey_verbose = 1; 1448 else if (nwkey.i_key[0].i_keylen >= 7 && 1449 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1450 == 0) 1451 nwkey_verbose = 1; 1452 } 1453 if (nwkey_verbose) 1454 printf("%d:", nwkey.i_defkid); 1455 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1456 if (i > 0) 1457 printf(","); 1458 if (nwkey.i_key[i].i_keylen < 0) 1459 printf("persist"); 1460 else 1461 print_string(nwkey.i_key[i].i_keydat, 1462 nwkey.i_key[i].i_keylen); 1463 if (!nwkey_verbose) 1464 break; 1465 } 1466 } 1467 printf("\n"); 1468 1469 skip_wep: 1470 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1471 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1472 return; 1473 printf("\tpowersave "); 1474 if (power.i_enabled) 1475 printf("on (%dms sleep)", power.i_maxsleep); 1476 else 1477 printf("off"); 1478 printf("\n"); 1479 } 1480 1481 void 1482 init_current_media() 1483 { 1484 struct ifmediareq ifmr; 1485 1486 /* 1487 * If we have not yet done so, grab the currently-selected 1488 * media. 1489 */ 1490 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1491 (void) memset(&ifmr, 0, sizeof(ifmr)); 1492 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1493 1494 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1495 /* 1496 * If we get E2BIG, the kernel is telling us 1497 * that there are more, so we can ignore it. 1498 */ 1499 if (errno != E2BIG) 1500 err(1, "SGIOCGIFMEDIA"); 1501 } 1502 1503 media_current = ifmr.ifm_current; 1504 } 1505 1506 /* Sanity. */ 1507 if (IFM_TYPE(media_current) == 0) 1508 errx(1, "%s: no link type?", name); 1509 } 1510 1511 void 1512 process_media_commands() 1513 { 1514 1515 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1516 /* Nothing to do. */ 1517 return; 1518 } 1519 1520 /* 1521 * Media already set up, and commands sanity-checked. Set/clear 1522 * any options, and we're ready to go. 1523 */ 1524 media_current |= mediaopt_set; 1525 media_current &= ~mediaopt_clear; 1526 1527 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1528 ifr.ifr_media = media_current; 1529 1530 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1531 err(1, "SIOCSIFMEDIA"); 1532 } 1533 1534 void 1535 setmedia(val, d) 1536 const char *val; 1537 int d; 1538 { 1539 int type, subtype, inst; 1540 1541 init_current_media(); 1542 1543 /* Only one media command may be given. */ 1544 if (actions & A_MEDIA) 1545 errx(1, "only one `media' command may be issued"); 1546 1547 /* Must not come after mediaopt commands */ 1548 if (actions & A_MEDIAOPT) 1549 errx(1, "may not issue `media' after `mediaopt' commands"); 1550 1551 /* 1552 * No need to check if `instance' has been issued; setmediainst() 1553 * craps out if `media' has not been specified. 1554 */ 1555 1556 type = IFM_TYPE(media_current); 1557 inst = IFM_INST(media_current); 1558 1559 /* Look up the subtype. */ 1560 subtype = get_media_subtype(type, val); 1561 1562 /* Build the new current media word. */ 1563 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1564 1565 /* Media will be set after other processing is complete. */ 1566 } 1567 1568 void 1569 setmediaopt(val, d) 1570 const char *val; 1571 int d; 1572 { 1573 1574 init_current_media(); 1575 1576 /* Can only issue `mediaopt' once. */ 1577 if (actions & A_MEDIAOPTSET) 1578 errx(1, "only one `mediaopt' command may be issued"); 1579 1580 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1581 if (actions & A_MEDIAINST) 1582 errx(1, "may not issue `mediaopt' after `instance'"); 1583 1584 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1585 1586 /* Media will be set after other processing is complete. */ 1587 } 1588 1589 void 1590 unsetmediaopt(val, d) 1591 const char *val; 1592 int d; 1593 { 1594 1595 init_current_media(); 1596 1597 /* Can only issue `-mediaopt' once. */ 1598 if (actions & A_MEDIAOPTCLR) 1599 errx(1, "only one `-mediaopt' command may be issued"); 1600 1601 /* May not issue `media' and `-mediaopt'. */ 1602 if (actions & A_MEDIA) 1603 errx(1, "may not issue both `media' and `-mediaopt'"); 1604 1605 /* 1606 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1607 * implicitly checks for A_MEDIAINST. 1608 */ 1609 1610 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1611 1612 /* Media will be set after other processing is complete. */ 1613 } 1614 1615 void 1616 setmediainst(val, d) 1617 const char *val; 1618 int d; 1619 { 1620 int type, subtype, options, inst; 1621 1622 init_current_media(); 1623 1624 /* Can only issue `instance' once. */ 1625 if (actions & A_MEDIAINST) 1626 errx(1, "only one `instance' command may be issued"); 1627 1628 /* Must have already specified `media' */ 1629 if ((actions & A_MEDIA) == 0) 1630 errx(1, "must specify `media' before `instance'"); 1631 1632 type = IFM_TYPE(media_current); 1633 subtype = IFM_SUBTYPE(media_current); 1634 options = IFM_OPTIONS(media_current); 1635 1636 inst = atoi(val); 1637 if (inst < 0 || inst > IFM_INST_MAX) 1638 errx(1, "invalid media instance: %s", val); 1639 1640 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1641 1642 /* Media will be set after other processing is complete. */ 1643 } 1644 1645 struct ifmedia_description ifm_type_descriptions[] = 1646 IFM_TYPE_DESCRIPTIONS; 1647 1648 struct ifmedia_description ifm_subtype_descriptions[] = 1649 IFM_SUBTYPE_DESCRIPTIONS; 1650 1651 struct ifmedia_description ifm_option_descriptions[] = 1652 IFM_OPTION_DESCRIPTIONS; 1653 1654 const char * 1655 get_media_type_string(mword) 1656 int mword; 1657 { 1658 struct ifmedia_description *desc; 1659 1660 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1661 desc++) { 1662 if (IFM_TYPE(mword) == desc->ifmt_word) 1663 return (desc->ifmt_string); 1664 } 1665 return ("<unknown type>"); 1666 } 1667 1668 const char * 1669 get_media_subtype_string(mword) 1670 int mword; 1671 { 1672 struct ifmedia_description *desc; 1673 1674 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1675 desc++) { 1676 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1677 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1678 return (desc->ifmt_string); 1679 } 1680 return ("<unknown subtype>"); 1681 } 1682 1683 int 1684 get_media_subtype(type, val) 1685 int type; 1686 const char *val; 1687 { 1688 int rval; 1689 1690 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1691 if (rval == -1) 1692 errx(1, "unknown %s media subtype: %s", 1693 get_media_type_string(type), val); 1694 1695 return (rval); 1696 } 1697 1698 int 1699 get_media_options(type, val) 1700 int type; 1701 const char *val; 1702 { 1703 char *optlist, *str; 1704 int option, rval = 0; 1705 1706 /* We muck with the string, so copy it. */ 1707 optlist = strdup(val); 1708 if (optlist == NULL) 1709 err(1, "strdup"); 1710 str = optlist; 1711 1712 /* 1713 * Look up the options in the user-provided comma-separated list. 1714 */ 1715 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1716 option = lookup_media_word(ifm_option_descriptions, type, str); 1717 if (option == -1) 1718 errx(1, "unknown %s media option: %s", 1719 get_media_type_string(type), str); 1720 rval |= IFM_OPTIONS(option); 1721 } 1722 1723 free(optlist); 1724 return (rval); 1725 } 1726 1727 int 1728 lookup_media_word(desc, type, val) 1729 struct ifmedia_description *desc; 1730 int type; 1731 const char *val; 1732 { 1733 1734 for (; desc->ifmt_string != NULL; desc++) { 1735 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1736 strcasecmp(desc->ifmt_string, val) == 0) 1737 return (desc->ifmt_word); 1738 } 1739 return (-1); 1740 } 1741 1742 void 1743 print_media_word(ifmw, print_type, as_syntax) 1744 int ifmw, print_type, as_syntax; 1745 { 1746 struct ifmedia_description *desc; 1747 int seen_option = 0; 1748 1749 if (print_type) 1750 printf("%s ", get_media_type_string(ifmw)); 1751 printf("%s%s", as_syntax ? "media " : "", 1752 get_media_subtype_string(ifmw)); 1753 1754 /* Find options. */ 1755 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1756 desc++) { 1757 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1758 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1759 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1760 if (seen_option == 0) 1761 printf(" %s", as_syntax ? "mediaopt " : ""); 1762 printf("%s%s", seen_option ? "," : "", 1763 desc->ifmt_string); 1764 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1765 } 1766 } 1767 if (IFM_INST(ifmw) != 0) 1768 printf(" instance %d", IFM_INST(ifmw)); 1769 } 1770 1771 int carrier() 1772 { 1773 struct ifmediareq ifmr; 1774 1775 (void) memset(&ifmr, 0, sizeof(ifmr)); 1776 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1777 1778 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1779 /* 1780 * Interface doesn't support SIOC{G,S}IFMEDIA; 1781 * assume ok. 1782 */ 1783 return 0; 1784 } 1785 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1786 /* 1787 * Interface doesn't report media-valid status. 1788 * assume ok. 1789 */ 1790 return 0; 1791 } 1792 /* otherwise, return ok for active, not-ok if not active. */ 1793 return !(ifmr.ifm_status & IFM_ACTIVE); 1794 } 1795 1796 1797 #define IFFBITS \ 1798 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1799 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1800 1801 #define IFCAPBITS \ 1802 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM" 1803 1804 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1805 1806 const struct ifmedia_status_description ifm_status_descriptions[] = 1807 IFM_STATUS_DESCRIPTIONS; 1808 1809 /* 1810 * Print the status of the interface. If an address family was 1811 * specified, show it and it only; otherwise, show them all. 1812 */ 1813 void 1814 status(ap, alen) 1815 const u_int8_t *ap; 1816 int alen; 1817 { 1818 struct afswtch *p = afp; 1819 struct ifmediareq ifmr; 1820 int *media_list, i; 1821 1822 printf("%s: ", name); 1823 printb("flags", flags, IFFBITS); 1824 if (metric) 1825 printf(" metric %d", metric); 1826 if (mtu) 1827 printf(" mtu %d", mtu); 1828 putchar('\n'); 1829 1830 if (g_ifcr.ifcr_capabilities) { 1831 putchar('\t'); 1832 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1833 putchar('\n'); 1834 1835 putchar('\t'); 1836 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1837 putchar('\n'); 1838 } 1839 1840 ieee80211_status(); 1841 vlan_status(); 1842 tunnel_status(); 1843 1844 if (ap && alen > 0) { 1845 printf("\taddress:"); 1846 for (i = 0; i < alen; i++, ap++) 1847 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1848 putchar('\n'); 1849 } 1850 1851 (void) memset(&ifmr, 0, sizeof(ifmr)); 1852 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1853 1854 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1855 /* 1856 * Interface doesn't support SIOC{G,S}IFMEDIA. 1857 */ 1858 goto proto_status; 1859 } 1860 1861 if (ifmr.ifm_count == 0) { 1862 warnx("%s: no media types?", name); 1863 goto proto_status; 1864 } 1865 1866 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1867 if (media_list == NULL) 1868 err(1, "malloc"); 1869 ifmr.ifm_ulist = media_list; 1870 1871 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1872 err(1, "SIOCGIFMEDIA"); 1873 1874 printf("\tmedia: "); 1875 print_media_word(ifmr.ifm_current, 1, 0); 1876 if (ifmr.ifm_active != ifmr.ifm_current) { 1877 putchar(' '); 1878 putchar('('); 1879 print_media_word(ifmr.ifm_active, 0, 0); 1880 putchar(')'); 1881 } 1882 putchar('\n'); 1883 1884 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1885 const struct ifmedia_status_description *ifms; 1886 int bitno, found = 0; 1887 1888 printf("\tstatus: "); 1889 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1890 for (ifms = ifm_status_descriptions; 1891 ifms->ifms_valid != 0; ifms++) { 1892 if (ifms->ifms_type != 1893 IFM_TYPE(ifmr.ifm_current) || 1894 ifms->ifms_valid != 1895 ifm_status_valid_list[bitno]) 1896 continue; 1897 printf("%s%s", found ? ", " : "", 1898 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1899 found = 1; 1900 1901 /* 1902 * For each valid indicator bit, there's 1903 * only one entry for each media type, so 1904 * terminate the inner loop now. 1905 */ 1906 break; 1907 } 1908 } 1909 1910 if (found == 0) 1911 printf("unknown"); 1912 putchar('\n'); 1913 } 1914 1915 if (mflag) { 1916 int type, printed_type; 1917 1918 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1919 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1920 if (IFM_TYPE(media_list[i]) == type) { 1921 if (printed_type == 0) { 1922 printf("\tsupported %s media:\n", 1923 get_media_type_string(type)); 1924 printed_type = 1; 1925 } 1926 printf("\t\t"); 1927 print_media_word(media_list[i], 0, 1); 1928 printf("\n"); 1929 } 1930 } 1931 } 1932 } 1933 1934 free(media_list); 1935 1936 proto_status: 1937 if ((p = afp) != NULL) { 1938 (*p->af_status)(1); 1939 } else for (p = afs; p->af_name; p++) { 1940 ifr.ifr_addr.sa_family = p->af_af; 1941 (*p->af_status)(0); 1942 } 1943 } 1944 1945 void 1946 tunnel_status() 1947 { 1948 char psrcaddr[NI_MAXHOST]; 1949 char pdstaddr[NI_MAXHOST]; 1950 const char *ver = ""; 1951 #ifdef NI_WITHSCOPEID 1952 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1953 #else 1954 const int niflag = NI_NUMERICHOST; 1955 #endif 1956 struct if_laddrreq req; 1957 1958 psrcaddr[0] = pdstaddr[0] = '\0'; 1959 1960 memset(&req, 0, sizeof(req)); 1961 strncpy(req.iflr_name, name, IFNAMSIZ); 1962 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1963 return; 1964 #ifdef INET6 1965 if (req.addr.ss_family == AF_INET6) 1966 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1967 #endif 1968 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1969 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1970 #ifdef INET6 1971 if (req.addr.ss_family == AF_INET6) 1972 ver = "6"; 1973 #endif 1974 1975 #ifdef INET6 1976 if (req.dstaddr.ss_family == AF_INET6) 1977 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 1978 #endif 1979 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 1980 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1981 1982 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 1983 } 1984 1985 void 1986 vlan_status() 1987 { 1988 struct vlanreq vlr; 1989 1990 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1991 !isdigit(ifr.ifr_name[4])) 1992 return; 1993 1994 memset(&vlr, 0, sizeof(vlr)); 1995 ifr.ifr_data = (caddr_t)&vlr; 1996 1997 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1998 return; 1999 2000 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2001 printf("\tvlan: %d parent: %s\n", 2002 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2003 "<none>" : vlr.vlr_parent); 2004 } 2005 2006 void 2007 in_alias(creq) 2008 struct ifreq *creq; 2009 { 2010 struct sockaddr_in *sin; 2011 int alias; 2012 2013 if (lflag) 2014 return; 2015 2016 alias = 1; 2017 2018 /* Get the non-alias address for this interface. */ 2019 getsock(AF_INET); 2020 if (s < 0) { 2021 if (errno == EPROTONOSUPPORT) 2022 return; 2023 err(1, "socket"); 2024 } 2025 (void) memset(&ifr, 0, sizeof(ifr)); 2026 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2027 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2028 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2029 return; 2030 } else 2031 warn("SIOCGIFADDR"); 2032 } 2033 /* If creq and ifr are the same address, this is not an alias. */ 2034 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2035 sizeof(creq->ifr_addr)) == 0) 2036 alias = 0; 2037 (void) memset(&addreq, 0, sizeof(addreq)); 2038 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2039 addreq.ifra_addr = creq->ifr_addr; 2040 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2041 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2042 return; 2043 } else 2044 warn("SIOCGIFALIAS"); 2045 } 2046 2047 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2048 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2049 2050 if (flags & IFF_POINTOPOINT) { 2051 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2052 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2053 } 2054 2055 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2056 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2057 2058 if (flags & IFF_BROADCAST) { 2059 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2060 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2061 } 2062 printf("\n"); 2063 } 2064 2065 void 2066 in_status(force) 2067 int force; 2068 { 2069 struct ifaddrs *ifap, *ifa; 2070 struct ifreq ifr; 2071 2072 if (getifaddrs(&ifap) != 0) 2073 err(1, "getifaddrs"); 2074 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2075 if (strcmp(name, ifa->ifa_name) != 0) 2076 continue; 2077 if (ifa->ifa_addr->sa_family != AF_INET) 2078 continue; 2079 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2080 continue; 2081 2082 memset(&ifr, 0, sizeof(ifr)); 2083 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2084 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2085 in_alias(&ifr); 2086 } 2087 freeifaddrs(ifap); 2088 } 2089 2090 void 2091 setifprefixlen(addr, d) 2092 const char *addr; 2093 int d; 2094 { 2095 if (*afp->af_getprefix) 2096 (*afp->af_getprefix)(addr, MASK); 2097 explicit_prefix = 1; 2098 } 2099 2100 #ifdef INET6 2101 void 2102 in6_fillscopeid(sin6) 2103 struct sockaddr_in6 *sin6; 2104 { 2105 #if defined(__KAME__) && defined(KAME_SCOPEID) 2106 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2107 sin6->sin6_scope_id = 2108 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2109 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2110 } 2111 #endif 2112 } 2113 2114 /* XXX not really an alias */ 2115 void 2116 in6_alias(creq) 2117 struct in6_ifreq *creq; 2118 { 2119 struct sockaddr_in6 *sin6; 2120 char hbuf[NI_MAXHOST]; 2121 u_int32_t scopeid; 2122 #ifdef NI_WITHSCOPEID 2123 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2124 #else 2125 const int niflag = NI_NUMERICHOST; 2126 #endif 2127 2128 /* Get the non-alias address for this interface. */ 2129 getsock(AF_INET6); 2130 if (s < 0) { 2131 if (errno == EPROTONOSUPPORT) 2132 return; 2133 err(1, "socket"); 2134 } 2135 2136 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2137 2138 in6_fillscopeid(sin6); 2139 scopeid = sin6->sin6_scope_id; 2140 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2141 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2142 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2143 printf("\tinet6 %s", hbuf); 2144 2145 if (flags & IFF_POINTOPOINT) { 2146 (void) memset(&ifr6, 0, sizeof(ifr6)); 2147 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2148 ifr6.ifr_addr = creq->ifr_addr; 2149 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2150 if (errno != EADDRNOTAVAIL) 2151 warn("SIOCGIFDSTADDR_IN6"); 2152 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2153 ifr6.ifr_addr.sin6_family = AF_INET6; 2154 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2155 } 2156 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2157 in6_fillscopeid(sin6); 2158 hbuf[0] = '\0'; 2159 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2160 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2161 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2162 printf(" -> %s", hbuf); 2163 } 2164 2165 (void) memset(&ifr6, 0, sizeof(ifr6)); 2166 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2167 ifr6.ifr_addr = creq->ifr_addr; 2168 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2169 if (errno != EADDRNOTAVAIL) 2170 warn("SIOCGIFNETMASK_IN6"); 2171 } else { 2172 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2173 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2174 sizeof(struct in6_addr))); 2175 } 2176 2177 (void) memset(&ifr6, 0, sizeof(ifr6)); 2178 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2179 ifr6.ifr_addr = creq->ifr_addr; 2180 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2181 if (errno != EADDRNOTAVAIL) 2182 warn("SIOCGIFAFLAG_IN6"); 2183 } else { 2184 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2185 printf(" anycast"); 2186 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2187 printf(" tentative"); 2188 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2189 printf(" duplicated"); 2190 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2191 printf(" detached"); 2192 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2193 printf(" deprecated"); 2194 } 2195 2196 if (scopeid) 2197 printf(" scopeid 0x%x", scopeid); 2198 2199 if (Lflag) { 2200 struct in6_addrlifetime *lifetime; 2201 (void) memset(&ifr6, 0, sizeof(ifr6)); 2202 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2203 ifr6.ifr_addr = creq->ifr_addr; 2204 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2205 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2206 if (errno != EADDRNOTAVAIL) 2207 warn("SIOCGIFALIFETIME_IN6"); 2208 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2209 time_t t = time(NULL); 2210 printf(" pltime "); 2211 if (lifetime->ia6t_preferred) { 2212 printf("%s", lifetime->ia6t_preferred < t 2213 ? "0" 2214 : sec2str(lifetime->ia6t_preferred - t)); 2215 } else 2216 printf("infty"); 2217 2218 printf(" vltime "); 2219 if (lifetime->ia6t_expire) { 2220 printf("%s", lifetime->ia6t_expire < t 2221 ? "0" 2222 : sec2str(lifetime->ia6t_expire - t)); 2223 } else 2224 printf("infty"); 2225 } 2226 } 2227 2228 printf("\n"); 2229 } 2230 2231 void 2232 in6_status(force) 2233 int force; 2234 { 2235 struct ifaddrs *ifap, *ifa; 2236 struct in6_ifreq ifr; 2237 2238 if (getifaddrs(&ifap) != 0) 2239 err(1, "getifaddrs"); 2240 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2241 if (strcmp(name, ifa->ifa_name) != 0) 2242 continue; 2243 if (ifa->ifa_addr->sa_family != AF_INET6) 2244 continue; 2245 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2246 continue; 2247 2248 memset(&ifr, 0, sizeof(ifr)); 2249 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2250 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2251 in6_alias(&ifr); 2252 } 2253 freeifaddrs(ifap); 2254 } 2255 #endif /*INET6*/ 2256 2257 #ifndef INET_ONLY 2258 2259 void 2260 at_status(force) 2261 int force; 2262 { 2263 struct sockaddr_at *sat, null_sat; 2264 struct netrange *nr; 2265 2266 getsock(AF_APPLETALK); 2267 if (s < 0) { 2268 if (errno == EPROTONOSUPPORT) 2269 return; 2270 err(1, "socket"); 2271 } 2272 (void) memset(&ifr, 0, sizeof(ifr)); 2273 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2274 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2275 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2276 if (!force) 2277 return; 2278 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2279 } else 2280 warn("SIOCGIFADDR"); 2281 } 2282 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2283 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2284 2285 (void) memset(&null_sat, 0, sizeof(null_sat)); 2286 2287 nr = (struct netrange *) &sat->sat_zero; 2288 printf("\tatalk %d.%d range %d-%d phase %d", 2289 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2290 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2291 if (flags & IFF_POINTOPOINT) { 2292 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2293 if (errno == EADDRNOTAVAIL) 2294 (void) memset(&ifr.ifr_addr, 0, 2295 sizeof(ifr.ifr_addr)); 2296 else 2297 warn("SIOCGIFDSTADDR"); 2298 } 2299 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2300 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2301 if (!sat) 2302 sat = &null_sat; 2303 printf("--> %d.%d", 2304 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2305 } 2306 if (flags & IFF_BROADCAST) { 2307 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2308 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2309 if (sat) 2310 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2311 sat->sat_addr.s_node); 2312 } 2313 putchar('\n'); 2314 } 2315 2316 void 2317 xns_status(force) 2318 int force; 2319 { 2320 struct sockaddr_ns *sns; 2321 2322 getsock(AF_NS); 2323 if (s < 0) { 2324 if (errno == EPROTONOSUPPORT) 2325 return; 2326 err(1, "socket"); 2327 } 2328 (void) memset(&ifr, 0, sizeof(ifr)); 2329 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2330 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2331 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2332 if (!force) 2333 return; 2334 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2335 } else 2336 warn("SIOCGIFADDR"); 2337 } 2338 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2339 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2340 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2341 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2342 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2343 if (errno == EADDRNOTAVAIL) 2344 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2345 else 2346 warn("SIOCGIFDSTADDR"); 2347 } 2348 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2349 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2350 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2351 } 2352 putchar('\n'); 2353 } 2354 2355 void 2356 iso_status(force) 2357 int force; 2358 { 2359 struct sockaddr_iso *siso; 2360 struct iso_ifreq ifr; 2361 2362 getsock(AF_ISO); 2363 if (s < 0) { 2364 if (errno == EPROTONOSUPPORT) 2365 return; 2366 err(1, "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_ISO, (caddr_t)&ifr) < 0) { 2371 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2372 if (!force) 2373 return; 2374 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2375 } else 2376 warn("SIOCGIFADDR_ISO"); 2377 } 2378 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2379 siso = &ifr.ifr_Addr; 2380 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2381 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2382 if (errno == EADDRNOTAVAIL) 2383 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2384 else 2385 warn("SIOCGIFNETMASK_ISO"); 2386 } else { 2387 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2388 siso->siso_addr.isoa_len = siso->siso_len 2389 - offsetof(struct sockaddr_iso, siso_addr); 2390 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2391 } 2392 if (flags & IFF_POINTOPOINT) { 2393 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2394 if (errno == EADDRNOTAVAIL) 2395 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2396 else 2397 warn("SIOCGIFDSTADDR_ISO"); 2398 } 2399 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2400 siso = &ifr.ifr_Addr; 2401 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2402 } 2403 putchar('\n'); 2404 } 2405 2406 #endif /* INET_ONLY */ 2407 2408 #define SIN(x) ((struct sockaddr_in *) &(x)) 2409 struct sockaddr_in *sintab[] = { 2410 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2411 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2412 2413 void 2414 in_getaddr(s, which) 2415 const char *s; 2416 int which; 2417 { 2418 struct sockaddr_in *sin = sintab[which]; 2419 struct hostent *hp; 2420 struct netent *np; 2421 2422 sin->sin_len = sizeof(*sin); 2423 if (which != MASK) 2424 sin->sin_family = AF_INET; 2425 2426 if (which == ADDR) { 2427 char *p = NULL; 2428 if ((p = strrchr(s, '/')) != NULL) { 2429 *p = '\0'; 2430 in_getprefix(p + 1, MASK); 2431 } 2432 } 2433 2434 if (inet_aton(s, &sin->sin_addr) == 0) { 2435 if ((hp = gethostbyname(s)) != NULL) 2436 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2437 else if ((np = getnetbyname(s)) != NULL) 2438 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2439 else 2440 errx(1, "%s: bad value", s); 2441 } 2442 } 2443 2444 void 2445 in_getprefix(plen, which) 2446 const char *plen; 2447 int which; 2448 { 2449 register struct sockaddr_in *sin = sintab[which]; 2450 register u_char *cp; 2451 int len = strtol(plen, (char **)NULL, 10); 2452 2453 if ((len < 0) || (len > 32)) 2454 errx(1, "%s: bad value", plen); 2455 sin->sin_len = sizeof(*sin); 2456 if (which != MASK) 2457 sin->sin_family = AF_INET; 2458 if ((len == 0) || (len == 32)) { 2459 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2460 return; 2461 } 2462 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2463 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2464 *cp++ = 0xff; 2465 if (len) 2466 *cp = 0xff << (8 - len); 2467 } 2468 2469 /* 2470 * Print a value a la the %b format of the kernel's printf 2471 */ 2472 void 2473 printb(s, v, bits) 2474 const char *s; 2475 unsigned short v; 2476 const char *bits; 2477 { 2478 int i, any = 0; 2479 char c; 2480 2481 if (bits && *bits == 8) 2482 printf("%s=%o", s, v); 2483 else 2484 printf("%s=%x", s, v); 2485 bits++; 2486 if (bits) { 2487 putchar('<'); 2488 while ((i = *bits++) != 0) { 2489 if (v & (1 << (i-1))) { 2490 if (any) 2491 putchar(','); 2492 any = 1; 2493 for (; (c = *bits) > 32; bits++) 2494 putchar(c); 2495 } else 2496 for (; *bits > 32; bits++) 2497 ; 2498 } 2499 putchar('>'); 2500 } 2501 } 2502 2503 #ifdef INET6 2504 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2505 struct sockaddr_in6 *sin6tab[] = { 2506 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2507 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2508 2509 void 2510 in6_getaddr(s, which) 2511 const char *s; 2512 int which; 2513 { 2514 #if defined(__KAME__) && defined(KAME_SCOPEID) 2515 struct sockaddr_in6 *sin6 = sin6tab[which]; 2516 struct addrinfo hints, *res; 2517 int error; 2518 2519 memset(&hints, 0, sizeof(hints)); 2520 hints.ai_family = AF_INET6; 2521 hints.ai_socktype = SOCK_DGRAM; 2522 #if 0 /* in_getaddr() allows FQDN */ 2523 hints.ai_flags = AI_NUMERICHOST; 2524 #endif 2525 error = getaddrinfo(s, "0", &hints, &res); 2526 if (error) 2527 errx(1, "%s: %s", s, gai_strerror(error)); 2528 if (res->ai_next) 2529 errx(1, "%s: resolved to multiple hosts", s); 2530 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2531 errx(1, "%s: bad value", s); 2532 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2533 freeaddrinfo(res); 2534 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2535 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2536 htons(sin6->sin6_scope_id); 2537 sin6->sin6_scope_id = 0; 2538 } 2539 #else 2540 struct sockaddr_in6 *sin = sin6tab[which]; 2541 2542 sin->sin6_len = sizeof(*sin); 2543 if (which != MASK) 2544 sin->sin6_family = AF_INET6; 2545 2546 if (which == ADDR) { 2547 char *p = NULL; 2548 if((p = strrchr(s, '/')) != NULL) { 2549 *p = '\0'; 2550 in6_getprefix(p + 1, MASK); 2551 explicit_prefix = 1; 2552 } 2553 } 2554 2555 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2556 errx(1, "%s: bad value", s); 2557 #endif 2558 } 2559 2560 void 2561 in6_getprefix(plen, which) 2562 const char *plen; 2563 int which; 2564 { 2565 register struct sockaddr_in6 *sin = sin6tab[which]; 2566 register u_char *cp; 2567 int len = strtol(plen, (char **)NULL, 10); 2568 2569 if ((len < 0) || (len > 128)) 2570 errx(1, "%s: bad value", plen); 2571 sin->sin6_len = sizeof(*sin); 2572 if (which != MASK) 2573 sin->sin6_family = AF_INET6; 2574 if ((len == 0) || (len == 128)) { 2575 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2576 return; 2577 } 2578 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2579 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2580 *cp++ = 0xff; 2581 if (len) 2582 *cp = 0xff << (8 - len); 2583 } 2584 2585 int 2586 prefix(val, size) 2587 void *val; 2588 int size; 2589 { 2590 register u_char *name = (u_char *)val; 2591 register int byte, bit, plen = 0; 2592 2593 for (byte = 0; byte < size; byte++, plen += 8) 2594 if (name[byte] != 0xff) 2595 break; 2596 if (byte == size) 2597 return (plen); 2598 for (bit = 7; bit != 0; bit--, plen++) 2599 if (!(name[byte] & (1 << bit))) 2600 break; 2601 for (; bit != 0; bit--) 2602 if (name[byte] & (1 << bit)) 2603 return(0); 2604 byte++; 2605 for (; byte < size; byte++) 2606 if (name[byte]) 2607 return(0); 2608 return (plen); 2609 } 2610 #endif /*INET6*/ 2611 2612 #ifndef INET_ONLY 2613 void 2614 at_getaddr(addr, which) 2615 const char *addr; 2616 int which; 2617 { 2618 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2619 u_int net, node; 2620 2621 sat->sat_family = AF_APPLETALK; 2622 sat->sat_len = sizeof(*sat); 2623 if (which == MASK) 2624 errx(1, "AppleTalk does not use netmasks\n"); 2625 if (sscanf(addr, "%u.%u", &net, &node) != 2 2626 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2627 errx(1, "%s: illegal address", addr); 2628 sat->sat_addr.s_net = htons(net); 2629 sat->sat_addr.s_node = node; 2630 } 2631 2632 void 2633 setatrange(range, d) 2634 const char *range; 2635 int d; 2636 { 2637 u_short first = 123, last = 123; 2638 2639 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2640 || first == 0 || first > 0xffff 2641 || last == 0 || last > 0xffff || first > last) 2642 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2643 at_nr.nr_firstnet = htons(first); 2644 at_nr.nr_lastnet = htons(last); 2645 } 2646 2647 void 2648 setatphase(phase, d) 2649 const char *phase; 2650 int d; 2651 { 2652 if (!strcmp(phase, "1")) 2653 at_nr.nr_phase = 1; 2654 else if (!strcmp(phase, "2")) 2655 at_nr.nr_phase = 2; 2656 else 2657 errx(1, "%s: illegal phase", phase); 2658 } 2659 2660 void 2661 checkatrange(sat) 2662 struct sockaddr_at *sat; 2663 { 2664 if (at_nr.nr_phase == 0) 2665 at_nr.nr_phase = 2; /* Default phase 2 */ 2666 if (at_nr.nr_firstnet == 0) 2667 at_nr.nr_firstnet = /* Default range of one */ 2668 at_nr.nr_lastnet = sat->sat_addr.s_net; 2669 printf("\tatalk %d.%d range %d-%d phase %d\n", 2670 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2671 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2672 if ((u_short) ntohs(at_nr.nr_firstnet) > 2673 (u_short) ntohs(sat->sat_addr.s_net) 2674 || (u_short) ntohs(at_nr.nr_lastnet) < 2675 (u_short) ntohs(sat->sat_addr.s_net)) 2676 errx(1, "AppleTalk address is not in range"); 2677 *((struct netrange *) &sat->sat_zero) = at_nr; 2678 } 2679 2680 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2681 struct sockaddr_ns *snstab[] = { 2682 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2683 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2684 2685 void 2686 xns_getaddr(addr, which) 2687 const char *addr; 2688 int which; 2689 { 2690 struct sockaddr_ns *sns = snstab[which]; 2691 2692 sns->sns_family = AF_NS; 2693 sns->sns_len = sizeof(*sns); 2694 sns->sns_addr = ns_addr(addr); 2695 if (which == MASK) 2696 puts("Attempt to set XNS netmask will be ineffectual"); 2697 } 2698 2699 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2700 struct sockaddr_iso *sisotab[] = { 2701 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2702 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2703 2704 void 2705 iso_getaddr(addr, which) 2706 const char *addr; 2707 int which; 2708 { 2709 struct sockaddr_iso *siso = sisotab[which]; 2710 siso->siso_addr = *iso_addr(addr); 2711 2712 if (which == MASK) { 2713 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2714 siso->siso_nlen = 0; 2715 } else { 2716 siso->siso_len = sizeof(*siso); 2717 siso->siso_family = AF_ISO; 2718 } 2719 } 2720 2721 void 2722 setsnpaoffset(val, d) 2723 const char *val; 2724 int d; 2725 { 2726 iso_addreq.ifra_snpaoffset = atoi(val); 2727 } 2728 2729 void 2730 setnsellength(val, d) 2731 const char *val; 2732 int d; 2733 { 2734 nsellength = atoi(val); 2735 if (nsellength < 0) 2736 errx(1, "Negative NSEL length is absurd"); 2737 if (afp == 0 || afp->af_af != AF_ISO) 2738 errx(1, "Setting NSEL length valid only for iso"); 2739 } 2740 2741 void 2742 fixnsel(s) 2743 struct sockaddr_iso *s; 2744 { 2745 if (s->siso_family == 0) 2746 return; 2747 s->siso_tlen = nsellength; 2748 } 2749 2750 void 2751 adjust_nsellength() 2752 { 2753 fixnsel(sisotab[RIDADDR]); 2754 fixnsel(sisotab[ADDR]); 2755 fixnsel(sisotab[DSTADDR]); 2756 } 2757 2758 #endif /* INET_ONLY */ 2759 2760 void 2761 usage() 2762 { 2763 const char *progname = getprogname(); 2764 2765 fprintf(stderr, 2766 "usage: %s [ -m ] " 2767 #ifdef INET6 2768 "[ -L ] " 2769 #endif 2770 "interface\n" 2771 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2772 "\t\t[ alias | -alias ] ]\n" 2773 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2774 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2775 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2776 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2777 "\t[ arp | -arp ]\n" 2778 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2779 "[ instance minst ]\n" 2780 "\t[ vlan n vlanif i ]\n" 2781 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2782 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2783 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2784 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2785 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2786 " %s -C\n" 2787 " %s interface create\n" 2788 " %s interface destroy\n", 2789 progname, progname, progname, progname, progname, progname); 2790 exit(1); 2791 } 2792 2793 #ifdef INET6 2794 char * 2795 sec2str(total) 2796 time_t total; 2797 { 2798 static char result[256]; 2799 int days, hours, mins, secs; 2800 int first = 1; 2801 char *p = result; 2802 2803 if (0) { /*XXX*/ 2804 days = total / 3600 / 24; 2805 hours = (total / 3600) % 24; 2806 mins = (total / 60) % 60; 2807 secs = total % 60; 2808 2809 if (days) { 2810 first = 0; 2811 p += sprintf(p, "%dd", days); 2812 } 2813 if (!first || hours) { 2814 first = 0; 2815 p += sprintf(p, "%dh", hours); 2816 } 2817 if (!first || mins) { 2818 first = 0; 2819 p += sprintf(p, "%dm", mins); 2820 } 2821 sprintf(p, "%ds", secs); 2822 } else 2823 sprintf(p, "%lu", (u_long)total); 2824 2825 return(result); 2826 } 2827 #endif 2828
Indexes created Thu Oct 02 10:09:58 GMT 2025