ifconfig.c revision 1.108
1 /* $NetBSD: ifconfig.c,v 1.108 2001/06/02 16:17:06 thorpej 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 1.108 2001/06/02 16:17:06 thorpej 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 = 1; 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 (isdigit(val[0]) && val[1] == ':') { 1315 /* specifying a full set of four keys */ 1316 nwkey.i_defkid = val[0] - '0'; 1317 val += 2; 1318 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1319 val = get_string(val, ",", keybuf[i], 1320 &nwkey.i_key[i].i_keylen); 1321 if (val == NULL) 1322 return; 1323 } 1324 if (*val != '\0') { 1325 warnx("SIOCS80211NWKEY: too many keys."); 1326 return; 1327 } 1328 } else { 1329 val = get_string(val, NULL, keybuf[0], 1330 &nwkey.i_key[0].i_keylen); 1331 if (val == NULL) 1332 return; 1333 i = 1; 1334 } 1335 for (; i < IEEE80211_WEP_NKID; i++) 1336 nwkey.i_key[i].i_keylen = 0; 1337 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1338 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1339 warn("SIOCS80211NWKEY"); 1340 } 1341 1342 void 1343 setifpowersave(val, d) 1344 const char *val; 1345 int d; 1346 { 1347 struct ieee80211_power power; 1348 1349 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1350 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1351 warn("SIOCG80211POWER"); 1352 return; 1353 } 1354 1355 power.i_enabled = d; 1356 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1357 warn("SIOCS80211POWER"); 1358 } 1359 1360 void 1361 setifpowersavesleep(val, d) 1362 const char *val; 1363 int d; 1364 { 1365 struct ieee80211_power power; 1366 1367 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1368 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1369 warn("SIOCG80211POWER"); 1370 return; 1371 } 1372 1373 power.i_maxsleep = atoi(val); 1374 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1375 warn("SIOCS80211POWER"); 1376 } 1377 1378 void 1379 ieee80211_status() 1380 { 1381 int i; 1382 struct ieee80211_nwid nwid; 1383 struct ieee80211_nwkey nwkey; 1384 struct ieee80211_power power; 1385 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1386 1387 memset(&ifr, 0, sizeof(ifr)); 1388 ifr.ifr_data = (caddr_t)&nwid; 1389 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1390 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1391 return; 1392 if (nwid.i_len > IEEE80211_NWID_LEN) { 1393 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1394 return; 1395 } 1396 printf("\tnwid "); 1397 print_string(nwid.i_nwid, nwid.i_len); 1398 memset(&nwkey, 0, sizeof(nwkey)); 1399 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1400 /* show nwkey only when WEP is enabled */ 1401 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1402 nwkey.i_wepon == 0) { 1403 printf("\n"); 1404 goto skip_wep; 1405 } 1406 1407 printf(" nwkey "); 1408 /* try to retrieve WEP keys */ 1409 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1410 nwkey.i_key[i].i_keydat = keybuf[i]; 1411 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1412 } 1413 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1414 printf("*****"); 1415 } else { 1416 if (nwkey.i_defkid != 1) { 1417 /* non default key or multiple keys defined */ 1418 i = 0; 1419 } else if (nwkey.i_key[0].i_keylen >= 2 && 1420 isdigit(nwkey.i_key[0].i_keydat[0]) && 1421 nwkey.i_key[0].i_keydat[1] == ':') { 1422 /* ambiguous */ 1423 i = 0; 1424 } else { 1425 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1426 if (nwkey.i_key[i].i_keylen != 0) 1427 break; 1428 } 1429 } 1430 if (i == IEEE80211_WEP_NKID) { 1431 /* only show the first key */ 1432 print_string(nwkey.i_key[0].i_keydat, 1433 nwkey.i_key[0].i_keylen); 1434 } else { 1435 printf("%d:", nwkey.i_defkid); 1436 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1437 if (i > 0) 1438 printf(","); 1439 print_string(nwkey.i_key[i].i_keydat, 1440 nwkey.i_key[i].i_keylen); 1441 } 1442 } 1443 } 1444 printf("\n"); 1445 1446 skip_wep: 1447 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1448 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1449 return; 1450 printf("\tpowersave "); 1451 if (power.i_enabled) 1452 printf("on (%dms sleep)", power.i_maxsleep); 1453 else 1454 printf("off"); 1455 printf("\n"); 1456 } 1457 1458 void 1459 init_current_media() 1460 { 1461 struct ifmediareq ifmr; 1462 1463 /* 1464 * If we have not yet done so, grab the currently-selected 1465 * media. 1466 */ 1467 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1468 (void) memset(&ifmr, 0, sizeof(ifmr)); 1469 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1470 1471 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1472 /* 1473 * If we get E2BIG, the kernel is telling us 1474 * that there are more, so we can ignore it. 1475 */ 1476 if (errno != E2BIG) 1477 err(1, "SGIOCGIFMEDIA"); 1478 } 1479 1480 media_current = ifmr.ifm_current; 1481 } 1482 1483 /* Sanity. */ 1484 if (IFM_TYPE(media_current) == 0) 1485 errx(1, "%s: no link type?", name); 1486 } 1487 1488 void 1489 process_media_commands() 1490 { 1491 1492 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1493 /* Nothing to do. */ 1494 return; 1495 } 1496 1497 /* 1498 * Media already set up, and commands sanity-checked. Set/clear 1499 * any options, and we're ready to go. 1500 */ 1501 media_current |= mediaopt_set; 1502 media_current &= ~mediaopt_clear; 1503 1504 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1505 ifr.ifr_media = media_current; 1506 1507 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1508 err(1, "SIOCSIFMEDIA"); 1509 } 1510 1511 void 1512 setmedia(val, d) 1513 const char *val; 1514 int d; 1515 { 1516 int type, subtype, inst; 1517 1518 init_current_media(); 1519 1520 /* Only one media command may be given. */ 1521 if (actions & A_MEDIA) 1522 errx(1, "only one `media' command may be issued"); 1523 1524 /* Must not come after mediaopt commands */ 1525 if (actions & A_MEDIAOPT) 1526 errx(1, "may not issue `media' after `mediaopt' commands"); 1527 1528 /* 1529 * No need to check if `instance' has been issued; setmediainst() 1530 * craps out if `media' has not been specified. 1531 */ 1532 1533 type = IFM_TYPE(media_current); 1534 inst = IFM_INST(media_current); 1535 1536 /* Look up the subtype. */ 1537 subtype = get_media_subtype(type, val); 1538 1539 /* Build the new current media word. */ 1540 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1541 1542 /* Media will be set after other processing is complete. */ 1543 } 1544 1545 void 1546 setmediaopt(val, d) 1547 const char *val; 1548 int d; 1549 { 1550 1551 init_current_media(); 1552 1553 /* Can only issue `mediaopt' once. */ 1554 if (actions & A_MEDIAOPTSET) 1555 errx(1, "only one `mediaopt' command may be issued"); 1556 1557 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1558 if (actions & A_MEDIAINST) 1559 errx(1, "may not issue `mediaopt' after `instance'"); 1560 1561 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1562 1563 /* Media will be set after other processing is complete. */ 1564 } 1565 1566 void 1567 unsetmediaopt(val, d) 1568 const char *val; 1569 int d; 1570 { 1571 1572 init_current_media(); 1573 1574 /* Can only issue `-mediaopt' once. */ 1575 if (actions & A_MEDIAOPTCLR) 1576 errx(1, "only one `-mediaopt' command may be issued"); 1577 1578 /* May not issue `media' and `-mediaopt'. */ 1579 if (actions & A_MEDIA) 1580 errx(1, "may not issue both `media' and `-mediaopt'"); 1581 1582 /* 1583 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1584 * implicitly checks for A_MEDIAINST. 1585 */ 1586 1587 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1588 1589 /* Media will be set after other processing is complete. */ 1590 } 1591 1592 void 1593 setmediainst(val, d) 1594 const char *val; 1595 int d; 1596 { 1597 int type, subtype, options, inst; 1598 1599 init_current_media(); 1600 1601 /* Can only issue `instance' once. */ 1602 if (actions & A_MEDIAINST) 1603 errx(1, "only one `instance' command may be issued"); 1604 1605 /* Must have already specified `media' */ 1606 if ((actions & A_MEDIA) == 0) 1607 errx(1, "must specify `media' before `instance'"); 1608 1609 type = IFM_TYPE(media_current); 1610 subtype = IFM_SUBTYPE(media_current); 1611 options = IFM_OPTIONS(media_current); 1612 1613 inst = atoi(val); 1614 if (inst < 0 || inst > IFM_INST_MAX) 1615 errx(1, "invalid media instance: %s", val); 1616 1617 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1618 1619 /* Media will be set after other processing is complete. */ 1620 } 1621 1622 struct ifmedia_description ifm_type_descriptions[] = 1623 IFM_TYPE_DESCRIPTIONS; 1624 1625 struct ifmedia_description ifm_subtype_descriptions[] = 1626 IFM_SUBTYPE_DESCRIPTIONS; 1627 1628 struct ifmedia_description ifm_option_descriptions[] = 1629 IFM_OPTION_DESCRIPTIONS; 1630 1631 const char * 1632 get_media_type_string(mword) 1633 int mword; 1634 { 1635 struct ifmedia_description *desc; 1636 1637 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1638 desc++) { 1639 if (IFM_TYPE(mword) == desc->ifmt_word) 1640 return (desc->ifmt_string); 1641 } 1642 return ("<unknown type>"); 1643 } 1644 1645 const char * 1646 get_media_subtype_string(mword) 1647 int mword; 1648 { 1649 struct ifmedia_description *desc; 1650 1651 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1652 desc++) { 1653 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1654 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1655 return (desc->ifmt_string); 1656 } 1657 return ("<unknown subtype>"); 1658 } 1659 1660 int 1661 get_media_subtype(type, val) 1662 int type; 1663 const char *val; 1664 { 1665 int rval; 1666 1667 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1668 if (rval == -1) 1669 errx(1, "unknown %s media subtype: %s", 1670 get_media_type_string(type), val); 1671 1672 return (rval); 1673 } 1674 1675 int 1676 get_media_options(type, val) 1677 int type; 1678 const char *val; 1679 { 1680 char *optlist, *str; 1681 int option, rval = 0; 1682 1683 /* We muck with the string, so copy it. */ 1684 optlist = strdup(val); 1685 if (optlist == NULL) 1686 err(1, "strdup"); 1687 str = optlist; 1688 1689 /* 1690 * Look up the options in the user-provided comma-separated list. 1691 */ 1692 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1693 option = lookup_media_word(ifm_option_descriptions, type, str); 1694 if (option == -1) 1695 errx(1, "unknown %s media option: %s", 1696 get_media_type_string(type), str); 1697 rval |= IFM_OPTIONS(option); 1698 } 1699 1700 free(optlist); 1701 return (rval); 1702 } 1703 1704 int 1705 lookup_media_word(desc, type, val) 1706 struct ifmedia_description *desc; 1707 int type; 1708 const char *val; 1709 { 1710 1711 for (; desc->ifmt_string != NULL; desc++) { 1712 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1713 strcasecmp(desc->ifmt_string, val) == 0) 1714 return (desc->ifmt_word); 1715 } 1716 return (-1); 1717 } 1718 1719 void 1720 print_media_word(ifmw, print_type, as_syntax) 1721 int ifmw, print_type, as_syntax; 1722 { 1723 struct ifmedia_description *desc; 1724 int seen_option = 0; 1725 1726 if (print_type) 1727 printf("%s ", get_media_type_string(ifmw)); 1728 printf("%s%s", as_syntax ? "media " : "", 1729 get_media_subtype_string(ifmw)); 1730 1731 /* Find options. */ 1732 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1733 desc++) { 1734 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1735 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1736 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1737 if (seen_option == 0) 1738 printf(" %s", as_syntax ? "mediaopt " : ""); 1739 printf("%s%s", seen_option ? "," : "", 1740 desc->ifmt_string); 1741 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1742 } 1743 } 1744 if (IFM_INST(ifmw) != 0) 1745 printf(" instance %d", IFM_INST(ifmw)); 1746 } 1747 1748 int carrier() 1749 { 1750 struct ifmediareq ifmr; 1751 1752 (void) memset(&ifmr, 0, sizeof(ifmr)); 1753 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1754 1755 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1756 /* 1757 * Interface doesn't support SIOC{G,S}IFMEDIA; 1758 * assume ok. 1759 */ 1760 return 0; 1761 } 1762 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1763 /* 1764 * Interface doesn't report media-valid status. 1765 * assume ok. 1766 */ 1767 return 0; 1768 } 1769 /* otherwise, return ok for active, not-ok if not active. */ 1770 return !(ifmr.ifm_status & IFM_ACTIVE); 1771 } 1772 1773 1774 #define IFFBITS \ 1775 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1776 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1777 1778 #define IFCAPBITS \ 1779 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM" 1780 1781 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1782 1783 const struct ifmedia_status_description ifm_status_descriptions[] = 1784 IFM_STATUS_DESCRIPTIONS; 1785 1786 /* 1787 * Print the status of the interface. If an address family was 1788 * specified, show it and it only; otherwise, show them all. 1789 */ 1790 void 1791 status(ap, alen) 1792 const u_int8_t *ap; 1793 int alen; 1794 { 1795 struct afswtch *p = afp; 1796 struct ifmediareq ifmr; 1797 int *media_list, i; 1798 1799 printf("%s: ", name); 1800 printb("flags", flags, IFFBITS); 1801 if (metric) 1802 printf(" metric %d", metric); 1803 if (mtu) 1804 printf(" mtu %d", mtu); 1805 putchar('\n'); 1806 1807 if (g_ifcr.ifcr_capabilities) { 1808 putchar('\t'); 1809 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1810 putchar('\n'); 1811 1812 putchar('\t'); 1813 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1814 putchar('\n'); 1815 } 1816 1817 ieee80211_status(); 1818 vlan_status(); 1819 tunnel_status(); 1820 1821 if (ap && alen > 0) { 1822 printf("\taddress:"); 1823 for (i = 0; i < alen; i++, ap++) 1824 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1825 putchar('\n'); 1826 } 1827 1828 (void) memset(&ifmr, 0, sizeof(ifmr)); 1829 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1830 1831 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1832 /* 1833 * Interface doesn't support SIOC{G,S}IFMEDIA. 1834 */ 1835 goto proto_status; 1836 } 1837 1838 if (ifmr.ifm_count == 0) { 1839 warnx("%s: no media types?", name); 1840 goto proto_status; 1841 } 1842 1843 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1844 if (media_list == NULL) 1845 err(1, "malloc"); 1846 ifmr.ifm_ulist = media_list; 1847 1848 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1849 err(1, "SIOCGIFMEDIA"); 1850 1851 printf("\tmedia: "); 1852 print_media_word(ifmr.ifm_current, 1, 0); 1853 if (ifmr.ifm_active != ifmr.ifm_current) { 1854 putchar(' '); 1855 putchar('('); 1856 print_media_word(ifmr.ifm_active, 0, 0); 1857 putchar(')'); 1858 } 1859 putchar('\n'); 1860 1861 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1862 const struct ifmedia_status_description *ifms; 1863 int bitno, found = 0; 1864 1865 printf("\tstatus: "); 1866 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1867 for (ifms = ifm_status_descriptions; 1868 ifms->ifms_valid != 0; ifms++) { 1869 if (ifms->ifms_type != 1870 IFM_TYPE(ifmr.ifm_current) || 1871 ifms->ifms_valid != 1872 ifm_status_valid_list[bitno]) 1873 continue; 1874 printf("%s%s", found ? ", " : "", 1875 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1876 found = 1; 1877 1878 /* 1879 * For each valid indicator bit, there's 1880 * only one entry for each media type, so 1881 * terminate the inner loop now. 1882 */ 1883 break; 1884 } 1885 } 1886 1887 if (found == 0) 1888 printf("unknown"); 1889 putchar('\n'); 1890 } 1891 1892 if (mflag) { 1893 int type, printed_type; 1894 1895 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1896 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1897 if (IFM_TYPE(media_list[i]) == type) { 1898 if (printed_type == 0) { 1899 printf("\tsupported %s media:\n", 1900 get_media_type_string(type)); 1901 printed_type = 1; 1902 } 1903 printf("\t\t"); 1904 print_media_word(media_list[i], 0, 1); 1905 printf("\n"); 1906 } 1907 } 1908 } 1909 } 1910 1911 free(media_list); 1912 1913 proto_status: 1914 if ((p = afp) != NULL) { 1915 (*p->af_status)(1); 1916 } else for (p = afs; p->af_name; p++) { 1917 ifr.ifr_addr.sa_family = p->af_af; 1918 (*p->af_status)(0); 1919 } 1920 } 1921 1922 void 1923 tunnel_status() 1924 { 1925 char psrcaddr[NI_MAXHOST]; 1926 char pdstaddr[NI_MAXHOST]; 1927 const char *ver = ""; 1928 #ifdef NI_WITHSCOPEID 1929 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1930 #else 1931 const int niflag = NI_NUMERICHOST; 1932 #endif 1933 struct if_laddrreq req; 1934 1935 psrcaddr[0] = pdstaddr[0] = '\0'; 1936 1937 memset(&req, 0, sizeof(req)); 1938 strncpy(req.iflr_name, name, IFNAMSIZ); 1939 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1940 return; 1941 #ifdef INET6 1942 if (req.addr.ss_family == AF_INET6) 1943 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1944 #endif 1945 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1946 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1947 #ifdef INET6 1948 if (req.addr.ss_family == AF_INET6) 1949 ver = "6"; 1950 #endif 1951 1952 #ifdef INET6 1953 if (req.dstaddr.ss_family == AF_INET6) 1954 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 1955 #endif 1956 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 1957 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1958 1959 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 1960 } 1961 1962 void 1963 vlan_status() 1964 { 1965 struct vlanreq vlr; 1966 1967 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1968 !isdigit(ifr.ifr_name[4])) 1969 return; 1970 1971 memset(&vlr, 0, sizeof(vlr)); 1972 ifr.ifr_data = (caddr_t)&vlr; 1973 1974 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1975 return; 1976 1977 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 1978 printf("\tvlan: %d parent: %s\n", 1979 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 1980 "<none>" : vlr.vlr_parent); 1981 } 1982 1983 void 1984 in_alias(creq) 1985 struct ifreq *creq; 1986 { 1987 struct sockaddr_in *sin; 1988 int alias; 1989 1990 if (lflag) 1991 return; 1992 1993 alias = 1; 1994 1995 /* Get the non-alias address for this interface. */ 1996 getsock(AF_INET); 1997 if (s < 0) { 1998 if (errno == EPROTONOSUPPORT) 1999 return; 2000 err(1, "socket"); 2001 } 2002 (void) memset(&ifr, 0, sizeof(ifr)); 2003 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2004 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2005 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2006 return; 2007 } else 2008 warn("SIOCGIFADDR"); 2009 } 2010 /* If creq and ifr are the same address, this is not an alias. */ 2011 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2012 sizeof(creq->ifr_addr)) == 0) 2013 alias = 0; 2014 (void) memset(&addreq, 0, sizeof(addreq)); 2015 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2016 addreq.ifra_addr = creq->ifr_addr; 2017 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2018 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2019 return; 2020 } else 2021 warn("SIOCGIFALIAS"); 2022 } 2023 2024 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2025 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2026 2027 if (flags & IFF_POINTOPOINT) { 2028 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2029 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2030 } 2031 2032 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2033 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2034 2035 if (flags & IFF_BROADCAST) { 2036 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2037 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2038 } 2039 printf("\n"); 2040 } 2041 2042 void 2043 in_status(force) 2044 int force; 2045 { 2046 struct ifaddrs *ifap, *ifa; 2047 struct ifreq ifr; 2048 2049 if (getifaddrs(&ifap) != 0) 2050 err(1, "getifaddrs"); 2051 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2052 if (strcmp(name, ifa->ifa_name) != 0) 2053 continue; 2054 if (ifa->ifa_addr->sa_family != AF_INET) 2055 continue; 2056 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2057 continue; 2058 2059 memset(&ifr, 0, sizeof(ifr)); 2060 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2061 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2062 in_alias(&ifr); 2063 } 2064 freeifaddrs(ifap); 2065 } 2066 2067 void 2068 setifprefixlen(addr, d) 2069 const char *addr; 2070 int d; 2071 { 2072 if (*afp->af_getprefix) 2073 (*afp->af_getprefix)(addr, MASK); 2074 explicit_prefix = 1; 2075 } 2076 2077 #ifdef INET6 2078 void 2079 in6_fillscopeid(sin6) 2080 struct sockaddr_in6 *sin6; 2081 { 2082 #if defined(__KAME__) && defined(KAME_SCOPEID) 2083 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2084 sin6->sin6_scope_id = 2085 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2086 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2087 } 2088 #endif 2089 } 2090 2091 /* XXX not really an alias */ 2092 void 2093 in6_alias(creq) 2094 struct in6_ifreq *creq; 2095 { 2096 struct sockaddr_in6 *sin6; 2097 char hbuf[NI_MAXHOST]; 2098 u_int32_t scopeid; 2099 #ifdef NI_WITHSCOPEID 2100 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2101 #else 2102 const int niflag = NI_NUMERICHOST; 2103 #endif 2104 2105 /* Get the non-alias address for this interface. */ 2106 getsock(AF_INET6); 2107 if (s < 0) { 2108 if (errno == EPROTONOSUPPORT) 2109 return; 2110 err(1, "socket"); 2111 } 2112 2113 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2114 2115 in6_fillscopeid(sin6); 2116 scopeid = sin6->sin6_scope_id; 2117 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2118 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2119 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2120 printf("\tinet6 %s", hbuf); 2121 2122 if (flags & IFF_POINTOPOINT) { 2123 (void) memset(&ifr6, 0, sizeof(ifr6)); 2124 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2125 ifr6.ifr_addr = creq->ifr_addr; 2126 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2127 if (errno != EADDRNOTAVAIL) 2128 warn("SIOCGIFDSTADDR_IN6"); 2129 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2130 ifr6.ifr_addr.sin6_family = AF_INET6; 2131 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2132 } 2133 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2134 in6_fillscopeid(sin6); 2135 hbuf[0] = '\0'; 2136 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2137 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2138 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2139 printf(" -> %s", hbuf); 2140 } 2141 2142 (void) memset(&ifr6, 0, sizeof(ifr6)); 2143 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2144 ifr6.ifr_addr = creq->ifr_addr; 2145 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2146 if (errno != EADDRNOTAVAIL) 2147 warn("SIOCGIFNETMASK_IN6"); 2148 } else { 2149 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2150 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2151 sizeof(struct in6_addr))); 2152 } 2153 2154 (void) memset(&ifr6, 0, sizeof(ifr6)); 2155 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2156 ifr6.ifr_addr = creq->ifr_addr; 2157 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2158 if (errno != EADDRNOTAVAIL) 2159 warn("SIOCGIFAFLAG_IN6"); 2160 } else { 2161 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2162 printf(" anycast"); 2163 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2164 printf(" tentative"); 2165 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2166 printf(" duplicated"); 2167 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2168 printf(" detached"); 2169 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2170 printf(" deprecated"); 2171 } 2172 2173 if (scopeid) 2174 printf(" scopeid 0x%x", scopeid); 2175 2176 if (Lflag) { 2177 struct in6_addrlifetime *lifetime; 2178 (void) memset(&ifr6, 0, sizeof(ifr6)); 2179 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2180 ifr6.ifr_addr = creq->ifr_addr; 2181 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2182 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2183 if (errno != EADDRNOTAVAIL) 2184 warn("SIOCGIFALIFETIME_IN6"); 2185 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2186 time_t t = time(NULL); 2187 printf(" pltime "); 2188 if (lifetime->ia6t_preferred) { 2189 printf("%s", lifetime->ia6t_preferred < t 2190 ? "0" 2191 : sec2str(lifetime->ia6t_preferred - t)); 2192 } else 2193 printf("infty"); 2194 2195 printf(" vltime "); 2196 if (lifetime->ia6t_expire) { 2197 printf("%s", lifetime->ia6t_expire < t 2198 ? "0" 2199 : sec2str(lifetime->ia6t_expire - t)); 2200 } else 2201 printf("infty"); 2202 } 2203 } 2204 2205 printf("\n"); 2206 } 2207 2208 void 2209 in6_status(force) 2210 int force; 2211 { 2212 struct ifaddrs *ifap, *ifa; 2213 struct in6_ifreq ifr; 2214 2215 if (getifaddrs(&ifap) != 0) 2216 err(1, "getifaddrs"); 2217 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2218 if (strcmp(name, ifa->ifa_name) != 0) 2219 continue; 2220 if (ifa->ifa_addr->sa_family != AF_INET6) 2221 continue; 2222 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2223 continue; 2224 2225 memset(&ifr, 0, sizeof(ifr)); 2226 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2227 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2228 in6_alias(&ifr); 2229 } 2230 freeifaddrs(ifap); 2231 } 2232 #endif /*INET6*/ 2233 2234 #ifndef INET_ONLY 2235 2236 void 2237 at_status(force) 2238 int force; 2239 { 2240 struct sockaddr_at *sat, null_sat; 2241 struct netrange *nr; 2242 2243 getsock(AF_APPLETALK); 2244 if (s < 0) { 2245 if (errno == EPROTONOSUPPORT) 2246 return; 2247 err(1, "socket"); 2248 } 2249 (void) memset(&ifr, 0, sizeof(ifr)); 2250 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2251 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2252 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2253 if (!force) 2254 return; 2255 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2256 } else 2257 warn("SIOCGIFADDR"); 2258 } 2259 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2260 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2261 2262 (void) memset(&null_sat, 0, sizeof(null_sat)); 2263 2264 nr = (struct netrange *) &sat->sat_zero; 2265 printf("\tatalk %d.%d range %d-%d phase %d", 2266 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2267 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2268 if (flags & IFF_POINTOPOINT) { 2269 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2270 if (errno == EADDRNOTAVAIL) 2271 (void) memset(&ifr.ifr_addr, 0, 2272 sizeof(ifr.ifr_addr)); 2273 else 2274 warn("SIOCGIFDSTADDR"); 2275 } 2276 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2277 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2278 if (!sat) 2279 sat = &null_sat; 2280 printf("--> %d.%d", 2281 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2282 } 2283 if (flags & IFF_BROADCAST) { 2284 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2285 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2286 if (sat) 2287 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2288 sat->sat_addr.s_node); 2289 } 2290 putchar('\n'); 2291 } 2292 2293 void 2294 xns_status(force) 2295 int force; 2296 { 2297 struct sockaddr_ns *sns; 2298 2299 getsock(AF_NS); 2300 if (s < 0) { 2301 if (errno == EPROTONOSUPPORT) 2302 return; 2303 err(1, "socket"); 2304 } 2305 (void) memset(&ifr, 0, sizeof(ifr)); 2306 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2307 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2308 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2309 if (!force) 2310 return; 2311 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2312 } else 2313 warn("SIOCGIFADDR"); 2314 } 2315 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2316 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2317 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2318 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2319 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2320 if (errno == EADDRNOTAVAIL) 2321 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2322 else 2323 warn("SIOCGIFDSTADDR"); 2324 } 2325 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2326 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2327 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2328 } 2329 putchar('\n'); 2330 } 2331 2332 void 2333 iso_status(force) 2334 int force; 2335 { 2336 struct sockaddr_iso *siso; 2337 struct iso_ifreq ifr; 2338 2339 getsock(AF_ISO); 2340 if (s < 0) { 2341 if (errno == EPROTONOSUPPORT) 2342 return; 2343 err(1, "socket"); 2344 } 2345 (void) memset(&ifr, 0, sizeof(ifr)); 2346 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2347 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2348 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2349 if (!force) 2350 return; 2351 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2352 } else 2353 warn("SIOCGIFADDR_ISO"); 2354 } 2355 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2356 siso = &ifr.ifr_Addr; 2357 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2358 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2359 if (errno == EADDRNOTAVAIL) 2360 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2361 else 2362 warn("SIOCGIFNETMASK_ISO"); 2363 } else { 2364 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2365 siso->siso_addr.isoa_len = siso->siso_len 2366 - offsetof(struct sockaddr_iso, siso_addr); 2367 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2368 } 2369 if (flags & IFF_POINTOPOINT) { 2370 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2371 if (errno == EADDRNOTAVAIL) 2372 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2373 else 2374 warn("SIOCGIFDSTADDR_ISO"); 2375 } 2376 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2377 siso = &ifr.ifr_Addr; 2378 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2379 } 2380 putchar('\n'); 2381 } 2382 2383 #endif /* INET_ONLY */ 2384 2385 #define SIN(x) ((struct sockaddr_in *) &(x)) 2386 struct sockaddr_in *sintab[] = { 2387 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2388 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2389 2390 void 2391 in_getaddr(s, which) 2392 const char *s; 2393 int which; 2394 { 2395 struct sockaddr_in *sin = sintab[which]; 2396 struct hostent *hp; 2397 struct netent *np; 2398 2399 sin->sin_len = sizeof(*sin); 2400 if (which != MASK) 2401 sin->sin_family = AF_INET; 2402 2403 if (which == ADDR) { 2404 char *p = NULL; 2405 if ((p = strrchr(s, '/')) != NULL) { 2406 *p = '\0'; 2407 in_getprefix(p + 1, MASK); 2408 } 2409 } 2410 2411 if (inet_aton(s, &sin->sin_addr) == 0) { 2412 if ((hp = gethostbyname(s)) != NULL) 2413 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2414 else if ((np = getnetbyname(s)) != NULL) 2415 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2416 else 2417 errx(1, "%s: bad value", s); 2418 } 2419 } 2420 2421 void 2422 in_getprefix(plen, which) 2423 const char *plen; 2424 int which; 2425 { 2426 register struct sockaddr_in *sin = sintab[which]; 2427 register u_char *cp; 2428 int len = strtol(plen, (char **)NULL, 10); 2429 2430 if ((len < 0) || (len > 32)) 2431 errx(1, "%s: bad value", plen); 2432 sin->sin_len = sizeof(*sin); 2433 if (which != MASK) 2434 sin->sin_family = AF_INET; 2435 if ((len == 0) || (len == 32)) { 2436 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2437 return; 2438 } 2439 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2440 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2441 *cp++ = 0xff; 2442 *cp = 0xff << (8 - len); 2443 } 2444 2445 /* 2446 * Print a value a la the %b format of the kernel's printf 2447 */ 2448 void 2449 printb(s, v, bits) 2450 const char *s; 2451 unsigned short v; 2452 const char *bits; 2453 { 2454 int i, any = 0; 2455 char c; 2456 2457 if (bits && *bits == 8) 2458 printf("%s=%o", s, v); 2459 else 2460 printf("%s=%x", s, v); 2461 bits++; 2462 if (bits) { 2463 putchar('<'); 2464 while ((i = *bits++) != 0) { 2465 if (v & (1 << (i-1))) { 2466 if (any) 2467 putchar(','); 2468 any = 1; 2469 for (; (c = *bits) > 32; bits++) 2470 putchar(c); 2471 } else 2472 for (; *bits > 32; bits++) 2473 ; 2474 } 2475 putchar('>'); 2476 } 2477 } 2478 2479 #ifdef INET6 2480 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2481 struct sockaddr_in6 *sin6tab[] = { 2482 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2483 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2484 2485 void 2486 in6_getaddr(s, which) 2487 const char *s; 2488 int which; 2489 { 2490 #if defined(__KAME__) && defined(KAME_SCOPEID) 2491 struct sockaddr_in6 *sin6 = sin6tab[which]; 2492 struct addrinfo hints, *res; 2493 int error; 2494 2495 memset(&hints, 0, sizeof(hints)); 2496 hints.ai_family = AF_INET6; 2497 hints.ai_socktype = SOCK_DGRAM; 2498 #if 0 /* in_getaddr() allows FQDN */ 2499 hints.ai_flags = AI_NUMERICHOST; 2500 #endif 2501 error = getaddrinfo(s, "0", &hints, &res); 2502 if (error) 2503 errx(1, "%s: %s", s, gai_strerror(error)); 2504 if (res->ai_next) 2505 errx(1, "%s: resolved to multiple hosts", s); 2506 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2507 errx(1, "%s: bad value", s); 2508 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2509 freeaddrinfo(res); 2510 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2511 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2512 htons(sin6->sin6_scope_id); 2513 sin6->sin6_scope_id = 0; 2514 } 2515 #else 2516 struct sockaddr_in6 *sin = sin6tab[which]; 2517 2518 sin->sin6_len = sizeof(*sin); 2519 if (which != MASK) 2520 sin->sin6_family = AF_INET6; 2521 2522 if (which == ADDR) { 2523 char *p = NULL; 2524 if((p = strrchr(s, '/')) != NULL) { 2525 *p = '\0'; 2526 in6_getprefix(p + 1, MASK); 2527 explicit_prefix = 1; 2528 } 2529 } 2530 2531 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2532 errx(1, "%s: bad value", s); 2533 #endif 2534 } 2535 2536 void 2537 in6_getprefix(plen, which) 2538 const char *plen; 2539 int which; 2540 { 2541 register struct sockaddr_in6 *sin = sin6tab[which]; 2542 register u_char *cp; 2543 int len = strtol(plen, (char **)NULL, 10); 2544 2545 if ((len < 0) || (len > 128)) 2546 errx(1, "%s: bad value", plen); 2547 sin->sin6_len = sizeof(*sin); 2548 if (which != MASK) 2549 sin->sin6_family = AF_INET6; 2550 if ((len == 0) || (len == 128)) { 2551 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2552 return; 2553 } 2554 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2555 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2556 *cp++ = 0xff; 2557 *cp = 0xff << (8 - len); 2558 } 2559 2560 int 2561 prefix(val, size) 2562 void *val; 2563 int size; 2564 { 2565 register u_char *name = (u_char *)val; 2566 register int byte, bit, plen = 0; 2567 2568 for (byte = 0; byte < size; byte++, plen += 8) 2569 if (name[byte] != 0xff) 2570 break; 2571 if (byte == size) 2572 return (plen); 2573 for (bit = 7; bit != 0; bit--, plen++) 2574 if (!(name[byte] & (1 << bit))) 2575 break; 2576 for (; bit != 0; bit--) 2577 if (name[byte] & (1 << bit)) 2578 return(0); 2579 byte++; 2580 for (; byte < size; byte++) 2581 if (name[byte]) 2582 return(0); 2583 return (plen); 2584 } 2585 #endif /*INET6*/ 2586 2587 #ifndef INET_ONLY 2588 void 2589 at_getaddr(addr, which) 2590 const char *addr; 2591 int which; 2592 { 2593 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2594 u_int net, node; 2595 2596 sat->sat_family = AF_APPLETALK; 2597 sat->sat_len = sizeof(*sat); 2598 if (which == MASK) 2599 errx(1, "AppleTalk does not use netmasks\n"); 2600 if (sscanf(addr, "%u.%u", &net, &node) != 2 2601 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2602 errx(1, "%s: illegal address", addr); 2603 sat->sat_addr.s_net = htons(net); 2604 sat->sat_addr.s_node = node; 2605 } 2606 2607 void 2608 setatrange(range, d) 2609 const char *range; 2610 int d; 2611 { 2612 u_short first = 123, last = 123; 2613 2614 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2615 || first == 0 || first > 0xffff 2616 || last == 0 || last > 0xffff || first > last) 2617 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2618 at_nr.nr_firstnet = htons(first); 2619 at_nr.nr_lastnet = htons(last); 2620 } 2621 2622 void 2623 setatphase(phase, d) 2624 const char *phase; 2625 int d; 2626 { 2627 if (!strcmp(phase, "1")) 2628 at_nr.nr_phase = 1; 2629 else if (!strcmp(phase, "2")) 2630 at_nr.nr_phase = 2; 2631 else 2632 errx(1, "%s: illegal phase", phase); 2633 } 2634 2635 void 2636 checkatrange(sat) 2637 struct sockaddr_at *sat; 2638 { 2639 if (at_nr.nr_phase == 0) 2640 at_nr.nr_phase = 2; /* Default phase 2 */ 2641 if (at_nr.nr_firstnet == 0) 2642 at_nr.nr_firstnet = /* Default range of one */ 2643 at_nr.nr_lastnet = sat->sat_addr.s_net; 2644 printf("\tatalk %d.%d range %d-%d phase %d\n", 2645 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2646 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2647 if ((u_short) ntohs(at_nr.nr_firstnet) > 2648 (u_short) ntohs(sat->sat_addr.s_net) 2649 || (u_short) ntohs(at_nr.nr_lastnet) < 2650 (u_short) ntohs(sat->sat_addr.s_net)) 2651 errx(1, "AppleTalk address is not in range"); 2652 *((struct netrange *) &sat->sat_zero) = at_nr; 2653 } 2654 2655 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2656 struct sockaddr_ns *snstab[] = { 2657 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2658 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2659 2660 void 2661 xns_getaddr(addr, which) 2662 const char *addr; 2663 int which; 2664 { 2665 struct sockaddr_ns *sns = snstab[which]; 2666 2667 sns->sns_family = AF_NS; 2668 sns->sns_len = sizeof(*sns); 2669 sns->sns_addr = ns_addr(addr); 2670 if (which == MASK) 2671 puts("Attempt to set XNS netmask will be ineffectual"); 2672 } 2673 2674 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2675 struct sockaddr_iso *sisotab[] = { 2676 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2677 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2678 2679 void 2680 iso_getaddr(addr, which) 2681 const char *addr; 2682 int which; 2683 { 2684 struct sockaddr_iso *siso = sisotab[which]; 2685 siso->siso_addr = *iso_addr(addr); 2686 2687 if (which == MASK) { 2688 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2689 siso->siso_nlen = 0; 2690 } else { 2691 siso->siso_len = sizeof(*siso); 2692 siso->siso_family = AF_ISO; 2693 } 2694 } 2695 2696 void 2697 setsnpaoffset(val, d) 2698 const char *val; 2699 int d; 2700 { 2701 iso_addreq.ifra_snpaoffset = atoi(val); 2702 } 2703 2704 void 2705 setnsellength(val, d) 2706 const char *val; 2707 int d; 2708 { 2709 nsellength = atoi(val); 2710 if (nsellength < 0) 2711 errx(1, "Negative NSEL length is absurd"); 2712 if (afp == 0 || afp->af_af != AF_ISO) 2713 errx(1, "Setting NSEL length valid only for iso"); 2714 } 2715 2716 void 2717 fixnsel(s) 2718 struct sockaddr_iso *s; 2719 { 2720 if (s->siso_family == 0) 2721 return; 2722 s->siso_tlen = nsellength; 2723 } 2724 2725 void 2726 adjust_nsellength() 2727 { 2728 fixnsel(sisotab[RIDADDR]); 2729 fixnsel(sisotab[ADDR]); 2730 fixnsel(sisotab[DSTADDR]); 2731 } 2732 2733 #endif /* INET_ONLY */ 2734 2735 void 2736 usage() 2737 { 2738 const char *progname = getprogname(); 2739 2740 fprintf(stderr, 2741 "usage: %s [ -m ] " 2742 #ifdef INET6 2743 "[ -L ] " 2744 #endif 2745 "interface\n" 2746 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2747 "\t\t[ alias | -alias ] ]\n" 2748 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2749 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2750 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2751 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2752 "\t[ arp | -arp ]\n" 2753 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2754 "[ instance minst ]\n" 2755 "\t[ vlan n vlanif i ]\n" 2756 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2757 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2758 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2759 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2760 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2761 " %s -C\n" 2762 " %s interface create\n" 2763 " %s interface destroy\n", 2764 progname, progname, progname, progname, progname, progname); 2765 exit(1); 2766 } 2767 2768 #ifdef INET6 2769 char * 2770 sec2str(total) 2771 time_t total; 2772 { 2773 static char result[256]; 2774 int days, hours, mins, secs; 2775 int first = 1; 2776 char *p = result; 2777 2778 if (0) { /*XXX*/ 2779 days = total / 3600 / 24; 2780 hours = (total / 3600) % 24; 2781 mins = (total / 60) % 60; 2782 secs = total % 60; 2783 2784 if (days) { 2785 first = 0; 2786 p += sprintf(p, "%dd", days); 2787 } 2788 if (!first || hours) { 2789 first = 0; 2790 p += sprintf(p, "%dh", hours); 2791 } 2792 if (!first || mins) { 2793 first = 0; 2794 p += sprintf(p, "%dm", mins); 2795 } 2796 sprintf(p, "%ds", secs); 2797 } else 2798 sprintf(p, "%lu", (u_long)total); 2799 2800 return(result); 2801 } 2802 #endif 2803
Indexes created Mon Sep 29 21:09:56 GMT 2025