ifconfig.c revision 1.114
1 /* $NetBSD: ifconfig.c,v 1.114 2001/08/19 01:27:43 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 1.114 2001/08/19 01:27:43 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 conflicting = 0; 143 int nsellength = 1; 144 int af; 145 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 146 #ifdef INET6 147 int Lflag; 148 #endif 149 int reset_if_flags; 150 int explicit_prefix = 0; 151 u_int vlan_tag = (u_int)-1; 152 153 struct ifcapreq g_ifcr; 154 int g_ifcr_updated; 155 156 void notealias __P((const char *, int)); 157 void notrailers __P((const char *, int)); 158 void setifaddr __P((const char *, int)); 159 void setifdstaddr __P((const char *, int)); 160 void setifflags __P((const char *, int)); 161 void setifcaps __P((const char *, int)); 162 void setifbroadaddr __P((const char *, int)); 163 void setifipdst __P((const char *, int)); 164 void setifmetric __P((const char *, int)); 165 void setifmtu __P((const char *, int)); 166 void setifnwid __P((const char *, int)); 167 void setifnwkey __P((const char *, int)); 168 void setifpowersave __P((const char *, int)); 169 void setifpowersavesleep __P((const char *, int)); 170 void setifnetmask __P((const char *, int)); 171 void setifprefixlen __P((const char *, int)); 172 void setnsellength __P((const char *, int)); 173 void setsnpaoffset __P((const char *, int)); 174 void setatrange __P((const char *, int)); 175 void setatphase __P((const char *, int)); 176 void settunnel __P((const char *, const char *)); 177 void deletetunnel __P((const char *, int)); 178 #ifdef INET6 179 void setia6flags __P((const char *, int)); 180 void setia6pltime __P((const char *, int)); 181 void setia6vltime __P((const char *, int)); 182 void setia6lifetime __P((const char *, const char *)); 183 #endif 184 void checkatrange __P ((struct sockaddr_at *)); 185 void setmedia __P((const char *, int)); 186 void setmediaopt __P((const char *, int)); 187 void unsetmediaopt __P((const char *, int)); 188 void setmediainst __P((const char *, int)); 189 void clone_create __P((const char *, int)); 190 void clone_destroy __P((const char *, int)); 191 void fixnsel __P((struct sockaddr_iso *)); 192 void setvlan __P((const char *, int)); 193 void setvlanif __P((const char *, int)); 194 void unsetvlanif __P((const char *, int)); 195 int main __P((int, char *[])); 196 197 /* 198 * Media stuff. Whenever a media command is first performed, the 199 * currently select media is grabbed for this interface. If `media' 200 * is given, the current media word is modifed. `mediaopt' commands 201 * only modify the set and clear words. They then operate on the 202 * current media word later. 203 */ 204 int media_current; 205 int mediaopt_set; 206 int mediaopt_clear; 207 208 int actions; /* Actions performed */ 209 210 #define A_MEDIA 0x0001 /* media command */ 211 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 212 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 213 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 214 #define A_MEDIAINST 0x0008 /* instance or inst command */ 215 216 #define NEXTARG 0xffffff 217 #define NEXTARG2 0xfffffe 218 219 const struct cmd { 220 const char *c_name; 221 int c_parameter; /* NEXTARG means next argv */ 222 int c_action; /* defered action */ 223 void (*c_func) __P((const char *, int)); 224 void (*c_func2) __P((const char *, const char *)); 225 } cmds[] = { 226 { "up", IFF_UP, 0, setifflags } , 227 { "down", -IFF_UP, 0, setifflags }, 228 { "trailers", -1, 0, notrailers }, 229 { "-trailers", 1, 0, notrailers }, 230 { "arp", -IFF_NOARP, 0, setifflags }, 231 { "-arp", IFF_NOARP, 0, setifflags }, 232 { "debug", IFF_DEBUG, 0, setifflags }, 233 { "-debug", -IFF_DEBUG, 0, setifflags }, 234 { "alias", IFF_UP, 0, notealias }, 235 { "-alias", -IFF_UP, 0, notealias }, 236 { "delete", -IFF_UP, 0, notealias }, 237 #ifdef notdef 238 #define EN_SWABIPS 0x1000 239 { "swabips", EN_SWABIPS, 0, setifflags }, 240 { "-swabips", -EN_SWABIPS, 0, setifflags }, 241 #endif 242 { "netmask", NEXTARG, 0, setifnetmask }, 243 { "metric", NEXTARG, 0, setifmetric }, 244 { "mtu", NEXTARG, 0, setifmtu }, 245 { "nwid", NEXTARG, 0, setifnwid }, 246 { "nwkey", NEXTARG, 0, setifnwkey }, 247 { "-nwkey", -1, 0, setifnwkey }, 248 { "powersave", 1, 0, setifpowersave }, 249 { "-powersave", 0, 0, setifpowersave }, 250 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 251 { "broadcast", NEXTARG, 0, setifbroadaddr }, 252 { "ipdst", NEXTARG, 0, setifipdst }, 253 { "prefixlen", NEXTARG, 0, setifprefixlen}, 254 #ifdef INET6 255 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 256 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 257 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 258 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 259 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 260 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 261 { "pltime", NEXTARG, 0, setia6pltime }, 262 { "vltime", NEXTARG, 0, setia6vltime }, 263 #endif /*INET6*/ 264 #ifndef INET_ONLY 265 { "range", NEXTARG, 0, setatrange }, 266 { "phase", NEXTARG, 0, setatphase }, 267 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 268 { "nsellength", NEXTARG, 0, setnsellength }, 269 #endif /* INET_ONLY */ 270 { "tunnel", NEXTARG2, 0, NULL, 271 settunnel } , 272 { "deletetunnel", 0, 0, deletetunnel }, 273 { "vlan", NEXTARG, 0, setvlan } , 274 { "vlanif", NEXTARG, 0, setvlanif } , 275 { "-vlanif", 0, 0, unsetvlanif } , 276 { "deletetunnel", 0, 0, deletetunnel }, 277 #if 0 278 /* XXX `create' special-cased below */ 279 { "create", 0, 0, clone_create } , 280 #endif 281 { "destroy", 0, 0, clone_destroy } , 282 { "link0", IFF_LINK0, 0, setifflags } , 283 { "-link0", -IFF_LINK0, 0, setifflags } , 284 { "link1", IFF_LINK1, 0, setifflags } , 285 { "-link1", -IFF_LINK1, 0, setifflags } , 286 { "link2", IFF_LINK2, 0, setifflags } , 287 { "-link2", -IFF_LINK2, 0, setifflags } , 288 { "media", NEXTARG, A_MEDIA, setmedia }, 289 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 290 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 291 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 292 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 293 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 294 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 295 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 296 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 297 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 298 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 299 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 300 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 301 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 302 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 303 { 0, 0, 0, setifaddr }, 304 { 0, 0, 0, setifdstaddr }, 305 }; 306 307 void adjust_nsellength __P((void)); 308 int getinfo __P((struct ifreq *)); 309 int carrier __P((void)); 310 void getsock __P((int)); 311 void printall __P((const char *)); 312 void list_cloners __P((void)); 313 void printb __P((const char *, unsigned short, const char *)); 314 int prefix __P((void *, int)); 315 void status __P((const u_int8_t *, int)); 316 void usage __P((void)); 317 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 318 void print_string __P((const u_int8_t *, int)); 319 char *sec2str __P((time_t)); 320 321 const char *get_media_type_string __P((int)); 322 const char *get_media_subtype_string __P((int)); 323 int get_media_subtype __P((int, const char *)); 324 int get_media_options __P((int, const char *)); 325 int lookup_media_word __P((struct ifmedia_description *, int, 326 const char *)); 327 void print_media_word __P((int, int, int)); 328 void process_media_commands __P((void)); 329 void init_current_media __P((void)); 330 331 /* 332 * XNS support liberally adapted from code written at the University of 333 * Maryland principally by James O'Toole and Chris Torek. 334 */ 335 void in_alias __P((struct ifreq *)); 336 void in_status __P((int)); 337 void in_getaddr __P((const char *, int)); 338 void in_getprefix __P((const char *, int)); 339 #ifdef INET6 340 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 341 void in6_alias __P((struct in6_ifreq *)); 342 void in6_status __P((int)); 343 void in6_getaddr __P((const char *, int)); 344 void in6_getprefix __P((const char *, int)); 345 #endif 346 void at_status __P((int)); 347 void at_getaddr __P((const char *, int)); 348 void xns_status __P((int)); 349 void xns_getaddr __P((const char *, int)); 350 void iso_status __P((int)); 351 void iso_getaddr __P((const char *, int)); 352 353 void ieee80211_status __P((void)); 354 void tunnel_status __P((void)); 355 void vlan_status __P((void)); 356 357 /* Known address families */ 358 struct afswtch { 359 const char *af_name; 360 short af_af; 361 void (*af_status) __P((int)); 362 void (*af_getaddr) __P((const char *, int)); 363 void (*af_getprefix) __P((const char *, int)); 364 u_long af_difaddr; 365 u_long af_aifaddr; 366 u_long af_gifaddr; 367 caddr_t af_ridreq; 368 caddr_t af_addreq; 369 } afs[] = { 370 #define C(x) ((caddr_t) &x) 371 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 372 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 373 #ifdef INET6 374 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 375 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 376 /* 377 * Deleting the first address before setting new one is 378 * not prefered way in this protocol. 379 */ 380 0, 381 C(in6_ridreq), C(in6_addreq) }, 382 #endif 383 #ifndef INET_ONLY /* small version, for boot media */ 384 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 385 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 386 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 387 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 388 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 389 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 390 C(iso_ridreq), C(iso_addreq) }, 391 #endif /* INET_ONLY */ 392 { 0, 0, 0, 0 } 393 }; 394 395 struct afswtch *afp; /*the address family being set or asked about*/ 396 397 struct afswtch *lookup_af __P((const char *)); 398 399 int 400 main(argc, argv) 401 int argc; 402 char *argv[]; 403 { 404 struct ifreq ifreq; 405 int ch; 406 407 /* Parse command-line options */ 408 aflag = mflag = 0; 409 while ((ch = getopt(argc, argv, "AabCdlmsu" 410 #ifdef INET6 411 "L" 412 #endif 413 )) != -1) { 414 switch (ch) { 415 case 'A': 416 warnx("-A is deprecated"); 417 break; 418 419 case 'a': 420 aflag = 1; 421 break; 422 423 case 'b': 424 bflag = 1; 425 break; 426 427 428 case 'C': 429 Cflag = 1; 430 break; 431 432 case 'd': 433 dflag = 1; 434 break; 435 436 #ifdef INET6 437 case 'L': 438 Lflag = 1; 439 break; 440 #endif 441 442 case 'l': 443 lflag = 1; 444 break; 445 446 case 'm': 447 mflag = 1; 448 break; 449 450 case 's': 451 sflag = 1; 452 break; 453 454 case 'u': 455 uflag = 1; 456 break; 457 458 459 default: 460 usage(); 461 /* NOTREACHED */ 462 } 463 } 464 argc -= optind; 465 argv += optind; 466 467 /* 468 * -l means "list all interfaces", and is mutally exclusive with 469 * all other flags/commands. 470 * 471 * -C means "list all names of cloners", and it mutually exclusive 472 * with all other flags/commands. 473 * 474 * -a means "print status of all interfaces". 475 */ 476 if ((lflag || Cflag) && (aflag || mflag || argc)) 477 usage(); 478 #ifdef INET6 479 if ((lflag || Cflag) && Lflag) 480 usage(); 481 #endif 482 if (lflag && Cflag) 483 usage(); 484 if (Cflag) { 485 if (argc) 486 usage(); 487 list_cloners(); 488 exit(0); 489 } 490 if (aflag || lflag) { 491 if (argc > 1) 492 usage(); 493 else if (argc == 1) { 494 afp = lookup_af(argv[0]); 495 if (afp == NULL) 496 usage(); 497 } 498 if (afp) 499 af = ifr.ifr_addr.sa_family = afp->af_af; 500 else 501 af = ifr.ifr_addr.sa_family = afs[0].af_af; 502 printall(NULL); 503 exit(0); 504 } 505 506 /* Make sure there's an interface name. */ 507 if (argc < 1) 508 usage(); 509 (void) strncpy(name, argv[0], sizeof(name)); 510 argc--; argv++; 511 512 /* 513 * NOTE: We must special-case the `create' command right 514 * here as we would otherwise fail in getinfo(). 515 */ 516 if (argc > 0 && strcmp(argv[0], "create") == 0) { 517 clone_create(argv[0], 0); 518 argc--, argv++; 519 if (argc == 0) 520 exit(0); 521 } 522 523 /* Check for address family. */ 524 afp = NULL; 525 if (argc > 0) { 526 afp = lookup_af(argv[0]); 527 if (afp != NULL) { 528 argv++; 529 argc--; 530 } 531 } 532 533 /* Initialize af, just for use in getinfo(). */ 534 if (afp == NULL) 535 af = afs->af_af; 536 else 537 af = afp->af_af; 538 539 /* Get information about the interface. */ 540 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 541 if (getinfo(&ifr) < 0) 542 exit(1); 543 544 if (sflag) { 545 if (argc != 0) 546 usage(); 547 else 548 exit(carrier()); 549 } 550 551 /* No more arguments means interface status. */ 552 if (argc == 0) { 553 printall(name); 554 exit(0); 555 } 556 557 /* The following operations assume inet family as the default. */ 558 if (afp == NULL) 559 afp = afs; 560 af = ifr.ifr_addr.sa_family = afp->af_af; 561 562 #ifdef INET6 563 /* initialization */ 564 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 565 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 566 #endif 567 568 /* Process commands. */ 569 while (argc > 0) { 570 const struct cmd *p; 571 572 for (p = cmds; p->c_name; p++) 573 if (strcmp(argv[0], p->c_name) == 0) 574 break; 575 if (p->c_name == 0 && setaddr) { 576 if ((flags & IFF_POINTOPOINT) == 0) { 577 errx(1, "can't set destination address %s", 578 "on non-point-to-point link"); 579 } 580 p++; /* got src, do dst */ 581 } 582 if (p->c_func != NULL || p->c_func2 != NULL) { 583 if (p->c_parameter == NEXTARG) { 584 if (argc < 2) 585 errx(1, "'%s' requires argument", 586 p->c_name); 587 (*p->c_func)(argv[1], 0); 588 argc--, argv++; 589 } else if (p->c_parameter == NEXTARG2) { 590 if (argc < 3) 591 errx(1, "'%s' requires 2 arguments", 592 p->c_name); 593 (*p->c_func2)(argv[1], argv[2]); 594 argc -= 2, argv += 2; 595 } else 596 (*p->c_func)(argv[0], p->c_parameter); 597 actions |= p->c_action; 598 } 599 argc--, argv++; 600 } 601 602 /* 603 * See if multiple alias, -alias, or delete commands were 604 * specified. More than one constitutes an invalid command line 605 */ 606 607 if (conflicting > 1) 608 err(1, "Only one use of alias, -alias or delete is valid."); 609 610 /* Process any media commands that may have been issued. */ 611 process_media_commands(); 612 613 if (af == AF_INET6 && explicit_prefix == 0) { 614 /* 615 * Aggregatable address architecture defines all prefixes 616 * are 64. So, it is convenient to set prefixlen to 64 if 617 * it is not specified. 618 */ 619 setifprefixlen("64", 0); 620 /* in6_getprefix("64", MASK) if MASK is available here... */ 621 } 622 623 #ifndef INET_ONLY 624 if (af == AF_ISO) 625 adjust_nsellength(); 626 627 if (af == AF_APPLETALK) 628 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 629 630 if (setipdst && af==AF_NS) { 631 struct nsip_req rq; 632 int size = sizeof(rq); 633 634 rq.rq_ns = addreq.ifra_addr; 635 rq.rq_ip = addreq.ifra_dstaddr; 636 637 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 638 warn("encapsulation routing"); 639 } 640 641 #endif /* INET_ONLY */ 642 643 if (clearaddr) { 644 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 645 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 646 err(1, "SIOCDIFADDR"); 647 } 648 if (newaddr > 0) { 649 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 650 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 651 warn("SIOCAIFADDR"); 652 } 653 654 if (g_ifcr_updated) { 655 (void) strncpy(g_ifcr.ifcr_name, name, 656 sizeof(g_ifcr.ifcr_name)); 657 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) < 0) 658 err(1, "SIOCSIFCAP"); 659 } 660 661 if (reset_if_flags) { 662 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 663 ifreq.ifr_flags = flags; 664 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 665 err(1, "SIOCSIFFLAGS"); 666 } 667 exit(0); 668 } 669 670 struct afswtch * 671 lookup_af(cp) 672 const char *cp; 673 { 674 struct afswtch *a; 675 676 for (a = afs; a->af_name != NULL; a++) 677 if (strcmp(a->af_name, cp) == 0) 678 return (a); 679 return (NULL); 680 } 681 682 void 683 getsock(naf) 684 int naf; 685 { 686 static int oaf = -1; 687 688 if (oaf == naf) 689 return; 690 if (oaf != -1) 691 close(s); 692 s = socket(naf, SOCK_DGRAM, 0); 693 if (s < 0) 694 oaf = -1; 695 else 696 oaf = naf; 697 } 698 699 int 700 getinfo(ifr) 701 struct ifreq *ifr; 702 { 703 704 getsock(af); 705 if (s < 0) 706 err(1, "socket"); 707 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 708 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 709 return (-1); 710 } 711 flags = ifr->ifr_flags; 712 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 713 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 714 metric = 0; 715 } else 716 metric = ifr->ifr_metric; 717 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 718 mtu = 0; 719 else 720 mtu = ifr->ifr_mtu; 721 722 memset(&g_ifcr, 0, sizeof(g_ifcr)); 723 strcpy(g_ifcr.ifcr_name, ifr->ifr_name); 724 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 725 726 return (0); 727 } 728 729 void 730 printall(ifname) 731 const char *ifname; 732 { 733 struct ifaddrs *ifap, *ifa; 734 struct ifreq ifr; 735 const struct sockaddr_dl *sdl = NULL; 736 int idx; 737 char *p; 738 739 if (getifaddrs(&ifap) != 0) 740 err(1, "getifaddrs"); 741 p = NULL; 742 idx = 0; 743 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 744 memset(&ifr, 0, sizeof(ifr)); 745 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 746 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 747 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 748 ifa->ifa_addr->sa_len); 749 } 750 751 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 752 continue; 753 if (ifa->ifa_addr->sa_family == AF_LINK) 754 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 755 if (p && strcmp(p, ifa->ifa_name) == 0) 756 continue; 757 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 758 name[sizeof(name) - 1] = '\0'; 759 p = ifa->ifa_name; 760 761 if (getinfo(&ifr) < 0) 762 continue; 763 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 764 continue; 765 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 766 continue; 767 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 768 continue; 769 770 if (sflag && carrier()) 771 continue; 772 idx++; 773 /* 774 * Are we just listing the interfaces? 775 */ 776 if (lflag) { 777 if (idx > 1) 778 putchar(' '); 779 fputs(name, stdout); 780 continue; 781 } 782 783 if (sdl == NULL) { 784 status(NULL, 0); 785 } else { 786 status(LLADDR(sdl), sdl->sdl_alen); 787 sdl = NULL; 788 } 789 } 790 if (lflag) 791 putchar('\n'); 792 freeifaddrs(ifap); 793 } 794 795 void 796 list_cloners(void) 797 { 798 struct if_clonereq ifcr; 799 char *cp, *buf; 800 int idx; 801 802 memset(&ifcr, 0, sizeof(ifcr)); 803 804 getsock(AF_INET); 805 806 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 807 err(1, "SIOCIFGCLONERS for count"); 808 809 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 810 if (buf == NULL) 811 err(1, "unable to allocate cloner name buffer"); 812 813 ifcr.ifcr_count = ifcr.ifcr_total; 814 ifcr.ifcr_buffer = buf; 815 816 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 817 err(1, "SIOCIFGCLONERS for names"); 818 819 /* 820 * In case some disappeared in the mean time, clamp it down. 821 */ 822 if (ifcr.ifcr_count > ifcr.ifcr_total) 823 ifcr.ifcr_count = ifcr.ifcr_total; 824 825 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 826 if (idx > 0) 827 putchar(' '); 828 printf("%s", cp); 829 } 830 831 putchar('\n'); 832 free(buf); 833 return; 834 } 835 836 /*ARGSUSED*/ 837 void 838 clone_create(addr, param) 839 const char *addr; 840 int param; 841 { 842 843 /* We're called early... */ 844 getsock(AF_INET); 845 846 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 847 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 848 err(1, "SIOCIFCREATE"); 849 } 850 851 /*ARGSUSED*/ 852 void 853 clone_destroy(addr, param) 854 const char *addr; 855 int param; 856 { 857 858 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 859 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 860 err(1, "SIOCIFDESTROY"); 861 } 862 863 #define RIDADDR 0 864 #define ADDR 1 865 #define MASK 2 866 #define DSTADDR 3 867 868 /*ARGSUSED*/ 869 void 870 setifaddr(addr, param) 871 const char *addr; 872 int param; 873 { 874 struct ifreq *ifr; /* XXX */ 875 876 /* 877 * Delay the ioctl to set the interface addr until flags are all set. 878 * The address interpretation may depend on the flags, 879 * and the flags may change when the address is set. 880 */ 881 setaddr++; 882 if (newaddr == -1) 883 newaddr = 1; 884 if (doalias == 0 && afp->af_gifaddr != 0) { 885 ifr = (struct ifreq *)afp->af_ridreq; 886 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 887 ifr->ifr_addr.sa_family = afp->af_af; 888 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 889 clearaddr = 1; 890 else if (errno == EADDRNOTAVAIL) 891 /* No address was assigned yet. */ 892 ; 893 else 894 err(1, "SIOCGIFADDR"); 895 } 896 897 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 898 } 899 900 void 901 settunnel(src, dst) 902 const char *src, *dst; 903 { 904 struct addrinfo hints, *srcres, *dstres; 905 int ecode; 906 struct if_laddrreq req; 907 908 memset(&hints, 0, sizeof(hints)); 909 hints.ai_family = afp->af_af; 910 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 911 912 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 913 errx(1, "error in parsing address string: %s", 914 gai_strerror(ecode)); 915 916 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 917 errx(1, "error in parsing address string: %s", 918 gai_strerror(ecode)); 919 920 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 921 errx(1, 922 "source and destination address families do not match"); 923 924 if (srcres->ai_addrlen > sizeof(req.addr) || 925 dstres->ai_addrlen > sizeof(req.dstaddr)) 926 errx(1, "invalid sockaddr"); 927 928 memset(&req, 0, sizeof(req)); 929 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 930 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 931 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 932 933 #ifdef INET6 934 if (req.addr.ss_family == AF_INET6) { 935 struct sockaddr_in6 *s, *d; 936 937 s = (struct sockaddr_in6 *)&req.addr; 938 d = (struct sockaddr_in6 *)&req.dstaddr; 939 if (s->sin6_scope_id != d->sin6_scope_id) { 940 errx(1, "scope mismatch"); 941 /* NOTREACHED */ 942 } 943 #ifdef __KAME__ 944 /* embed scopeid */ 945 if (s->sin6_scope_id && 946 (IN6_IS_ADDR_LINKLOCAL(&s->sin6_addr) || 947 IN6_IS_ADDR_MC_LINKLOCAL(&s->sin6_addr))) { 948 *(u_int16_t *)&s->sin6_addr.s6_addr[2] = 949 htons(s->sin6_scope_id); 950 } 951 if (d->sin6_scope_id && 952 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 953 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 954 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 955 htons(d->sin6_scope_id); 956 } 957 #endif 958 } 959 #endif 960 961 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 962 warn("SIOCSLIFPHYADDR"); 963 964 freeaddrinfo(srcres); 965 freeaddrinfo(dstres); 966 } 967 968 /* ARGSUSED */ 969 void 970 deletetunnel(vname, param) 971 const char *vname; 972 int param; 973 { 974 975 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 976 err(1, "SIOCDIFPHYADDR"); 977 } 978 979 void setvlan(val, d) 980 const char *val; 981 int d; 982 { 983 struct vlanreq vlr; 984 985 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 986 !isdigit(ifr.ifr_name[4])) 987 errx(EXIT_FAILURE, 988 "``vlan'' valid only with vlan(4) interfaces"); 989 990 vlan_tag = atoi(val); 991 992 memset(&vlr, 0, sizeof(vlr)); 993 ifr.ifr_data = (caddr_t)&vlr; 994 995 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 996 err(EXIT_FAILURE, "SIOCGETVLAN"); 997 998 vlr.vlr_tag = vlan_tag; 999 1000 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1001 err(EXIT_FAILURE, "SIOCSETVLAN"); 1002 } 1003 1004 void setvlanif(val, d) 1005 const char *val; 1006 int d; 1007 { 1008 struct vlanreq vlr; 1009 1010 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1011 !isdigit(ifr.ifr_name[4])) 1012 errx(EXIT_FAILURE, 1013 "``vlanif'' valid only with vlan(4) interfaces"); 1014 1015 if (vlan_tag == (u_int)-1) 1016 errx(EXIT_FAILURE, 1017 "must specify both ``vlan'' and ``vlanif''"); 1018 1019 memset(&vlr, 0, sizeof(vlr)); 1020 ifr.ifr_data = (caddr_t)&vlr; 1021 1022 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1023 err(EXIT_FAILURE, "SIOCGETVLAN"); 1024 1025 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1026 vlr.vlr_tag = vlan_tag; 1027 1028 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1029 err(EXIT_FAILURE, "SIOCSETVLAN"); 1030 } 1031 1032 void unsetvlanif(val, d) 1033 const char *val; 1034 int d; 1035 { 1036 struct vlanreq vlr; 1037 1038 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1039 !isdigit(ifr.ifr_name[4])) 1040 errx(EXIT_FAILURE, 1041 "``vlanif'' valid only with vlan(4) interfaces"); 1042 1043 memset(&vlr, 0, sizeof(vlr)); 1044 ifr.ifr_data = (caddr_t)&vlr; 1045 1046 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1047 err(EXIT_FAILURE, "SIOCGETVLAN"); 1048 1049 vlr.vlr_parent[0] = '\0'; 1050 vlr.vlr_tag = 0; 1051 1052 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1053 err(EXIT_FAILURE, "SIOCSETVLAN"); 1054 } 1055 1056 void 1057 setifnetmask(addr, d) 1058 const char *addr; 1059 int d; 1060 { 1061 (*afp->af_getaddr)(addr, MASK); 1062 } 1063 1064 void 1065 setifbroadaddr(addr, d) 1066 const char *addr; 1067 int d; 1068 { 1069 (*afp->af_getaddr)(addr, DSTADDR); 1070 } 1071 1072 void 1073 setifipdst(addr, d) 1074 const char *addr; 1075 int d; 1076 { 1077 in_getaddr(addr, DSTADDR); 1078 setipdst++; 1079 clearaddr = 0; 1080 newaddr = 0; 1081 } 1082 1083 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1084 /*ARGSUSED*/ 1085 void 1086 notealias(addr, param) 1087 const char *addr; 1088 int param; 1089 { 1090 if (setaddr && doalias == 0 && param < 0) 1091 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1092 rqtosa(af_addreq)->sa_len); 1093 doalias = param; 1094 if (param < 0) { 1095 clearaddr = 1; 1096 newaddr = 0; 1097 conflicting++; 1098 } else { 1099 clearaddr = 0; 1100 conflicting++; 1101 } 1102 } 1103 1104 /*ARGSUSED*/ 1105 void 1106 notrailers(vname, value) 1107 const char *vname; 1108 int value; 1109 { 1110 puts("Note: trailers are no longer sent, but always received"); 1111 } 1112 1113 /*ARGSUSED*/ 1114 void 1115 setifdstaddr(addr, param) 1116 const char *addr; 1117 int param; 1118 { 1119 (*afp->af_getaddr)(addr, DSTADDR); 1120 } 1121 1122 void 1123 setifflags(vname, value) 1124 const char *vname; 1125 int value; 1126 { 1127 struct ifreq ifreq; 1128 1129 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1130 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1131 err(1, "SIOCGIFFLAGS"); 1132 flags = ifreq.ifr_flags; 1133 1134 if (value < 0) { 1135 value = -value; 1136 flags &= ~value; 1137 } else 1138 flags |= value; 1139 ifreq.ifr_flags = flags; 1140 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1141 err(1, "SIOCSIFFLAGS"); 1142 1143 reset_if_flags = 1; 1144 } 1145 1146 void 1147 setifcaps(vname, value) 1148 const char *vname; 1149 int value; 1150 { 1151 1152 if (value < 0) { 1153 value = -value; 1154 g_ifcr.ifcr_capenable &= ~value; 1155 } else 1156 g_ifcr.ifcr_capenable |= value; 1157 1158 g_ifcr_updated = 1; 1159 } 1160 1161 #ifdef INET6 1162 void 1163 setia6flags(vname, value) 1164 const char *vname; 1165 int value; 1166 { 1167 if (value < 0) { 1168 value = -value; 1169 in6_addreq.ifra_flags &= ~value; 1170 } else 1171 in6_addreq.ifra_flags |= value; 1172 } 1173 1174 void 1175 setia6pltime(val, d) 1176 const char *val; 1177 int d; 1178 { 1179 setia6lifetime("pltime", val); 1180 } 1181 1182 void 1183 setia6vltime(val, d) 1184 const char *val; 1185 int d; 1186 { 1187 setia6lifetime("vltime", val); 1188 } 1189 1190 void 1191 setia6lifetime(cmd, val) 1192 const char *cmd; 1193 const char *val; 1194 { 1195 time_t newval, t; 1196 char *ep; 1197 1198 t = time(NULL); 1199 newval = (time_t)strtoul(val, &ep, 0); 1200 if (val == ep) 1201 errx(1, "invalid %s", cmd); 1202 if (afp->af_af != AF_INET6) 1203 errx(1, "%s not allowed for the AF", cmd); 1204 if (strcmp(cmd, "vltime") == 0) { 1205 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1206 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1207 } else if (strcmp(cmd, "pltime") == 0) { 1208 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1209 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1210 } 1211 } 1212 #endif 1213 1214 void 1215 setifmetric(val, d) 1216 const char *val; 1217 int d; 1218 { 1219 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1220 ifr.ifr_metric = atoi(val); 1221 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1222 warn("SIOCSIFMETRIC"); 1223 } 1224 1225 void 1226 setifmtu(val, d) 1227 const char *val; 1228 int d; 1229 { 1230 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1231 ifr.ifr_mtu = atoi(val); 1232 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1233 warn("SIOCSIFMTU"); 1234 } 1235 1236 const char * 1237 get_string(val, sep, buf, lenp) 1238 const char *val, *sep; 1239 u_int8_t *buf; 1240 int *lenp; 1241 { 1242 int len; 1243 int hexstr; 1244 u_int8_t *p; 1245 1246 len = *lenp; 1247 p = buf; 1248 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1249 if (hexstr) 1250 val += 2; 1251 for (;;) { 1252 if (*val == '\0') 1253 break; 1254 if (sep != NULL && strchr(sep, *val) != NULL) { 1255 val++; 1256 break; 1257 } 1258 if (hexstr) { 1259 if (!isxdigit((u_char)val[0]) || 1260 !isxdigit((u_char)val[1])) { 1261 warnx("bad hexadecimal digits"); 1262 return NULL; 1263 } 1264 } 1265 if (p > buf + len) { 1266 if (hexstr) 1267 warnx("hexadecimal digits too long"); 1268 else 1269 warnx("strings too long"); 1270 return NULL; 1271 } 1272 if (hexstr) { 1273 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1274 *p++ = (tohex((u_char)val[0]) << 4) | 1275 tohex((u_char)val[1]); 1276 #undef tohex 1277 val += 2; 1278 } else 1279 *p++ = *val++; 1280 } 1281 len = p - buf; 1282 if (len < *lenp) 1283 memset(p, 0, *lenp - len); 1284 *lenp = len; 1285 return val; 1286 } 1287 1288 void 1289 print_string(buf, len) 1290 const u_int8_t *buf; 1291 int len; 1292 { 1293 int i; 1294 int hasspc; 1295 1296 i = 0; 1297 hasspc = 0; 1298 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1299 for (; i < len; i++) { 1300 if (!isprint(buf[i])) 1301 break; 1302 if (isspace(buf[i])) 1303 hasspc++; 1304 } 1305 } 1306 if (i == len) { 1307 if (hasspc || len == 0) 1308 printf("\"%.*s\"", len, buf); 1309 else 1310 printf("%.*s", len, buf); 1311 } else { 1312 printf("0x"); 1313 for (i = 0; i < len; i++) 1314 printf("%02x", buf[i]); 1315 } 1316 } 1317 1318 void 1319 setifnwid(val, d) 1320 const char *val; 1321 int d; 1322 { 1323 struct ieee80211_nwid nwid; 1324 int len; 1325 1326 len = sizeof(nwid.i_nwid); 1327 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1328 return; 1329 nwid.i_len = len; 1330 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1331 ifr.ifr_data = (caddr_t)&nwid; 1332 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1333 warn("SIOCS80211NWID"); 1334 } 1335 1336 void 1337 setifnwkey(val, d) 1338 const char *val; 1339 int d; 1340 { 1341 struct ieee80211_nwkey nwkey; 1342 int i; 1343 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1344 1345 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1346 nwkey.i_defkid = 1; 1347 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1348 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1349 nwkey.i_key[i].i_keydat = keybuf[i]; 1350 } 1351 if (d != 0) { 1352 /* disable WEP encryption */ 1353 nwkey.i_wepon = 0; 1354 i = 0; 1355 } else if (strcasecmp("persist", val) == 0) { 1356 /* use all values from persistent memory */ 1357 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1358 nwkey.i_defkid = 0; 1359 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1360 nwkey.i_key[i].i_keylen = -1; 1361 } else if (strncasecmp("persist:", val, 8) == 0) { 1362 val += 8; 1363 /* program keys in persistent memory */ 1364 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1365 goto set_nwkey; 1366 } else { 1367 set_nwkey: 1368 if (isdigit(val[0]) && val[1] == ':') { 1369 /* specifying a full set of four keys */ 1370 nwkey.i_defkid = val[0] - '0'; 1371 val += 2; 1372 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1373 val = get_string(val, ",", keybuf[i], 1374 &nwkey.i_key[i].i_keylen); 1375 if (val == NULL) 1376 return; 1377 } 1378 if (*val != '\0') { 1379 warnx("SIOCS80211NWKEY: too many keys."); 1380 return; 1381 } 1382 } else { 1383 val = get_string(val, NULL, keybuf[0], 1384 &nwkey.i_key[0].i_keylen); 1385 if (val == NULL) 1386 return; 1387 i = 1; 1388 } 1389 } 1390 for (; i < IEEE80211_WEP_NKID; i++) 1391 nwkey.i_key[i].i_keylen = 0; 1392 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1393 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1394 warn("SIOCS80211NWKEY"); 1395 } 1396 1397 void 1398 setifpowersave(val, d) 1399 const char *val; 1400 int d; 1401 { 1402 struct ieee80211_power power; 1403 1404 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1405 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1406 warn("SIOCG80211POWER"); 1407 return; 1408 } 1409 1410 power.i_enabled = d; 1411 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1412 warn("SIOCS80211POWER"); 1413 } 1414 1415 void 1416 setifpowersavesleep(val, d) 1417 const char *val; 1418 int d; 1419 { 1420 struct ieee80211_power power; 1421 1422 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1423 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1424 warn("SIOCG80211POWER"); 1425 return; 1426 } 1427 1428 power.i_maxsleep = atoi(val); 1429 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1430 warn("SIOCS80211POWER"); 1431 } 1432 1433 void 1434 ieee80211_status() 1435 { 1436 int i, nwkey_verbose; 1437 struct ieee80211_nwid nwid; 1438 struct ieee80211_nwkey nwkey; 1439 struct ieee80211_power power; 1440 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1441 1442 memset(&ifr, 0, sizeof(ifr)); 1443 ifr.ifr_data = (caddr_t)&nwid; 1444 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1445 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1446 return; 1447 if (nwid.i_len > IEEE80211_NWID_LEN) { 1448 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1449 return; 1450 } 1451 printf("\tnwid "); 1452 print_string(nwid.i_nwid, nwid.i_len); 1453 memset(&nwkey, 0, sizeof(nwkey)); 1454 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1455 /* show nwkey only when WEP is enabled */ 1456 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1457 nwkey.i_wepon == 0) { 1458 printf("\n"); 1459 goto skip_wep; 1460 } 1461 1462 printf(" nwkey "); 1463 /* try to retrieve WEP keys */ 1464 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1465 nwkey.i_key[i].i_keydat = keybuf[i]; 1466 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1467 } 1468 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1469 printf("*****"); 1470 } else { 1471 nwkey_verbose = 0; 1472 /* check to see non default key or multiple keys defined */ 1473 if (nwkey.i_defkid != 1) { 1474 nwkey_verbose = 1; 1475 } else { 1476 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1477 if (nwkey.i_key[i].i_keylen != 0) { 1478 nwkey_verbose = 1; 1479 break; 1480 } 1481 } 1482 } 1483 /* check extra ambiguity with keywords */ 1484 if (!nwkey_verbose) { 1485 if (nwkey.i_key[0].i_keylen >= 2 && 1486 isdigit(nwkey.i_key[0].i_keydat[0]) && 1487 nwkey.i_key[0].i_keydat[1] == ':') 1488 nwkey_verbose = 1; 1489 else if (nwkey.i_key[0].i_keylen >= 7 && 1490 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1491 == 0) 1492 nwkey_verbose = 1; 1493 } 1494 if (nwkey_verbose) 1495 printf("%d:", nwkey.i_defkid); 1496 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1497 if (i > 0) 1498 printf(","); 1499 if (nwkey.i_key[i].i_keylen < 0) 1500 printf("persist"); 1501 else 1502 print_string(nwkey.i_key[i].i_keydat, 1503 nwkey.i_key[i].i_keylen); 1504 if (!nwkey_verbose) 1505 break; 1506 } 1507 } 1508 printf("\n"); 1509 1510 skip_wep: 1511 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1512 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1513 return; 1514 printf("\tpowersave "); 1515 if (power.i_enabled) 1516 printf("on (%dms sleep)", power.i_maxsleep); 1517 else 1518 printf("off"); 1519 printf("\n"); 1520 } 1521 1522 void 1523 init_current_media() 1524 { 1525 struct ifmediareq ifmr; 1526 1527 /* 1528 * If we have not yet done so, grab the currently-selected 1529 * media. 1530 */ 1531 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1532 (void) memset(&ifmr, 0, sizeof(ifmr)); 1533 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1534 1535 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1536 /* 1537 * If we get E2BIG, the kernel is telling us 1538 * that there are more, so we can ignore it. 1539 */ 1540 if (errno != E2BIG) 1541 err(1, "SGIOCGIFMEDIA"); 1542 } 1543 1544 media_current = ifmr.ifm_current; 1545 } 1546 1547 /* Sanity. */ 1548 if (IFM_TYPE(media_current) == 0) 1549 errx(1, "%s: no link type?", name); 1550 } 1551 1552 void 1553 process_media_commands() 1554 { 1555 1556 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1557 /* Nothing to do. */ 1558 return; 1559 } 1560 1561 /* 1562 * Media already set up, and commands sanity-checked. Set/clear 1563 * any options, and we're ready to go. 1564 */ 1565 media_current |= mediaopt_set; 1566 media_current &= ~mediaopt_clear; 1567 1568 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1569 ifr.ifr_media = media_current; 1570 1571 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1572 err(1, "SIOCSIFMEDIA"); 1573 } 1574 1575 void 1576 setmedia(val, d) 1577 const char *val; 1578 int d; 1579 { 1580 int type, subtype, inst; 1581 1582 init_current_media(); 1583 1584 /* Only one media command may be given. */ 1585 if (actions & A_MEDIA) 1586 errx(1, "only one `media' command may be issued"); 1587 1588 /* Must not come after mediaopt commands */ 1589 if (actions & A_MEDIAOPT) 1590 errx(1, "may not issue `media' after `mediaopt' commands"); 1591 1592 /* 1593 * No need to check if `instance' has been issued; setmediainst() 1594 * craps out if `media' has not been specified. 1595 */ 1596 1597 type = IFM_TYPE(media_current); 1598 inst = IFM_INST(media_current); 1599 1600 /* Look up the subtype. */ 1601 subtype = get_media_subtype(type, val); 1602 1603 /* Build the new current media word. */ 1604 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1605 1606 /* Media will be set after other processing is complete. */ 1607 } 1608 1609 void 1610 setmediaopt(val, d) 1611 const char *val; 1612 int d; 1613 { 1614 1615 init_current_media(); 1616 1617 /* Can only issue `mediaopt' once. */ 1618 if (actions & A_MEDIAOPTSET) 1619 errx(1, "only one `mediaopt' command may be issued"); 1620 1621 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1622 if (actions & A_MEDIAINST) 1623 errx(1, "may not issue `mediaopt' after `instance'"); 1624 1625 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1626 1627 /* Media will be set after other processing is complete. */ 1628 } 1629 1630 void 1631 unsetmediaopt(val, d) 1632 const char *val; 1633 int d; 1634 { 1635 1636 init_current_media(); 1637 1638 /* Can only issue `-mediaopt' once. */ 1639 if (actions & A_MEDIAOPTCLR) 1640 errx(1, "only one `-mediaopt' command may be issued"); 1641 1642 /* May not issue `media' and `-mediaopt'. */ 1643 if (actions & A_MEDIA) 1644 errx(1, "may not issue both `media' and `-mediaopt'"); 1645 1646 /* 1647 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1648 * implicitly checks for A_MEDIAINST. 1649 */ 1650 1651 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1652 1653 /* Media will be set after other processing is complete. */ 1654 } 1655 1656 void 1657 setmediainst(val, d) 1658 const char *val; 1659 int d; 1660 { 1661 int type, subtype, options, inst; 1662 1663 init_current_media(); 1664 1665 /* Can only issue `instance' once. */ 1666 if (actions & A_MEDIAINST) 1667 errx(1, "only one `instance' command may be issued"); 1668 1669 /* Must have already specified `media' */ 1670 if ((actions & A_MEDIA) == 0) 1671 errx(1, "must specify `media' before `instance'"); 1672 1673 type = IFM_TYPE(media_current); 1674 subtype = IFM_SUBTYPE(media_current); 1675 options = IFM_OPTIONS(media_current); 1676 1677 inst = atoi(val); 1678 if (inst < 0 || inst > IFM_INST_MAX) 1679 errx(1, "invalid media instance: %s", val); 1680 1681 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1682 1683 /* Media will be set after other processing is complete. */ 1684 } 1685 1686 struct ifmedia_description ifm_type_descriptions[] = 1687 IFM_TYPE_DESCRIPTIONS; 1688 1689 struct ifmedia_description ifm_subtype_descriptions[] = 1690 IFM_SUBTYPE_DESCRIPTIONS; 1691 1692 struct ifmedia_description ifm_option_descriptions[] = 1693 IFM_OPTION_DESCRIPTIONS; 1694 1695 const char * 1696 get_media_type_string(mword) 1697 int mword; 1698 { 1699 struct ifmedia_description *desc; 1700 1701 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1702 desc++) { 1703 if (IFM_TYPE(mword) == desc->ifmt_word) 1704 return (desc->ifmt_string); 1705 } 1706 return ("<unknown type>"); 1707 } 1708 1709 const char * 1710 get_media_subtype_string(mword) 1711 int mword; 1712 { 1713 struct ifmedia_description *desc; 1714 1715 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1716 desc++) { 1717 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1718 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1719 return (desc->ifmt_string); 1720 } 1721 return ("<unknown subtype>"); 1722 } 1723 1724 int 1725 get_media_subtype(type, val) 1726 int type; 1727 const char *val; 1728 { 1729 int rval; 1730 1731 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1732 if (rval == -1) 1733 errx(1, "unknown %s media subtype: %s", 1734 get_media_type_string(type), val); 1735 1736 return (rval); 1737 } 1738 1739 int 1740 get_media_options(type, val) 1741 int type; 1742 const char *val; 1743 { 1744 char *optlist, *str; 1745 int option, rval = 0; 1746 1747 /* We muck with the string, so copy it. */ 1748 optlist = strdup(val); 1749 if (optlist == NULL) 1750 err(1, "strdup"); 1751 str = optlist; 1752 1753 /* 1754 * Look up the options in the user-provided comma-separated list. 1755 */ 1756 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1757 option = lookup_media_word(ifm_option_descriptions, type, str); 1758 if (option == -1) 1759 errx(1, "unknown %s media option: %s", 1760 get_media_type_string(type), str); 1761 rval |= IFM_OPTIONS(option); 1762 } 1763 1764 free(optlist); 1765 return (rval); 1766 } 1767 1768 int 1769 lookup_media_word(desc, type, val) 1770 struct ifmedia_description *desc; 1771 int type; 1772 const char *val; 1773 { 1774 1775 for (; desc->ifmt_string != NULL; desc++) { 1776 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1777 strcasecmp(desc->ifmt_string, val) == 0) 1778 return (desc->ifmt_word); 1779 } 1780 return (-1); 1781 } 1782 1783 void 1784 print_media_word(ifmw, print_type, as_syntax) 1785 int ifmw, print_type, as_syntax; 1786 { 1787 struct ifmedia_description *desc; 1788 int seen_option = 0; 1789 1790 if (print_type) 1791 printf("%s ", get_media_type_string(ifmw)); 1792 printf("%s%s", as_syntax ? "media " : "", 1793 get_media_subtype_string(ifmw)); 1794 1795 /* Find options. */ 1796 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1797 desc++) { 1798 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1799 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1800 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1801 if (seen_option == 0) 1802 printf(" %s", as_syntax ? "mediaopt " : ""); 1803 printf("%s%s", seen_option ? "," : "", 1804 desc->ifmt_string); 1805 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1806 } 1807 } 1808 if (IFM_INST(ifmw) != 0) 1809 printf(" instance %d", IFM_INST(ifmw)); 1810 } 1811 1812 int carrier() 1813 { 1814 struct ifmediareq ifmr; 1815 1816 (void) memset(&ifmr, 0, sizeof(ifmr)); 1817 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1818 1819 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1820 /* 1821 * Interface doesn't support SIOC{G,S}IFMEDIA; 1822 * assume ok. 1823 */ 1824 return 0; 1825 } 1826 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1827 /* 1828 * Interface doesn't report media-valid status. 1829 * assume ok. 1830 */ 1831 return 0; 1832 } 1833 /* otherwise, return ok for active, not-ok if not active. */ 1834 return !(ifmr.ifm_status & IFM_ACTIVE); 1835 } 1836 1837 1838 #define IFFBITS \ 1839 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1840 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1841 1842 #define IFCAPBITS \ 1843 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM" 1844 1845 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1846 1847 const struct ifmedia_status_description ifm_status_descriptions[] = 1848 IFM_STATUS_DESCRIPTIONS; 1849 1850 /* 1851 * Print the status of the interface. If an address family was 1852 * specified, show it and it only; otherwise, show them all. 1853 */ 1854 void 1855 status(ap, alen) 1856 const u_int8_t *ap; 1857 int alen; 1858 { 1859 struct afswtch *p = afp; 1860 struct ifmediareq ifmr; 1861 int *media_list, i; 1862 1863 printf("%s: ", name); 1864 printb("flags", flags, IFFBITS); 1865 if (metric) 1866 printf(" metric %d", metric); 1867 if (mtu) 1868 printf(" mtu %d", mtu); 1869 putchar('\n'); 1870 1871 if (g_ifcr.ifcr_capabilities) { 1872 putchar('\t'); 1873 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1874 putchar('\n'); 1875 1876 putchar('\t'); 1877 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1878 putchar('\n'); 1879 } 1880 1881 ieee80211_status(); 1882 vlan_status(); 1883 tunnel_status(); 1884 1885 if (ap && alen > 0) { 1886 printf("\taddress:"); 1887 for (i = 0; i < alen; i++, ap++) 1888 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1889 putchar('\n'); 1890 } 1891 1892 (void) memset(&ifmr, 0, sizeof(ifmr)); 1893 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1894 1895 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1896 /* 1897 * Interface doesn't support SIOC{G,S}IFMEDIA. 1898 */ 1899 goto proto_status; 1900 } 1901 1902 if (ifmr.ifm_count == 0) { 1903 warnx("%s: no media types?", name); 1904 goto proto_status; 1905 } 1906 1907 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1908 if (media_list == NULL) 1909 err(1, "malloc"); 1910 ifmr.ifm_ulist = media_list; 1911 1912 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1913 err(1, "SIOCGIFMEDIA"); 1914 1915 printf("\tmedia: "); 1916 print_media_word(ifmr.ifm_current, 1, 0); 1917 if (ifmr.ifm_active != ifmr.ifm_current) { 1918 putchar(' '); 1919 putchar('('); 1920 print_media_word(ifmr.ifm_active, 0, 0); 1921 putchar(')'); 1922 } 1923 putchar('\n'); 1924 1925 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1926 const struct ifmedia_status_description *ifms; 1927 int bitno, found = 0; 1928 1929 printf("\tstatus: "); 1930 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1931 for (ifms = ifm_status_descriptions; 1932 ifms->ifms_valid != 0; ifms++) { 1933 if (ifms->ifms_type != 1934 IFM_TYPE(ifmr.ifm_current) || 1935 ifms->ifms_valid != 1936 ifm_status_valid_list[bitno]) 1937 continue; 1938 printf("%s%s", found ? ", " : "", 1939 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1940 found = 1; 1941 1942 /* 1943 * For each valid indicator bit, there's 1944 * only one entry for each media type, so 1945 * terminate the inner loop now. 1946 */ 1947 break; 1948 } 1949 } 1950 1951 if (found == 0) 1952 printf("unknown"); 1953 putchar('\n'); 1954 } 1955 1956 if (mflag) { 1957 int type, printed_type; 1958 1959 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1960 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1961 if (IFM_TYPE(media_list[i]) == type) { 1962 if (printed_type == 0) { 1963 printf("\tsupported %s media:\n", 1964 get_media_type_string(type)); 1965 printed_type = 1; 1966 } 1967 printf("\t\t"); 1968 print_media_word(media_list[i], 0, 1); 1969 printf("\n"); 1970 } 1971 } 1972 } 1973 } 1974 1975 free(media_list); 1976 1977 proto_status: 1978 if ((p = afp) != NULL) { 1979 (*p->af_status)(1); 1980 } else for (p = afs; p->af_name; p++) { 1981 ifr.ifr_addr.sa_family = p->af_af; 1982 (*p->af_status)(0); 1983 } 1984 } 1985 1986 void 1987 tunnel_status() 1988 { 1989 char psrcaddr[NI_MAXHOST]; 1990 char pdstaddr[NI_MAXHOST]; 1991 const char *ver = ""; 1992 #ifdef NI_WITHSCOPEID 1993 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1994 #else 1995 const int niflag = NI_NUMERICHOST; 1996 #endif 1997 struct if_laddrreq req; 1998 1999 psrcaddr[0] = pdstaddr[0] = '\0'; 2000 2001 memset(&req, 0, sizeof(req)); 2002 strncpy(req.iflr_name, name, IFNAMSIZ); 2003 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 2004 return; 2005 #ifdef INET6 2006 if (req.addr.ss_family == AF_INET6) 2007 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2008 #endif 2009 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2010 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2011 #ifdef INET6 2012 if (req.addr.ss_family == AF_INET6) 2013 ver = "6"; 2014 #endif 2015 2016 #ifdef INET6 2017 if (req.dstaddr.ss_family == AF_INET6) 2018 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2019 #endif 2020 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2021 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2022 2023 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2024 } 2025 2026 void 2027 vlan_status() 2028 { 2029 struct vlanreq vlr; 2030 2031 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2032 !isdigit(ifr.ifr_name[4])) 2033 return; 2034 2035 memset(&vlr, 0, sizeof(vlr)); 2036 ifr.ifr_data = (caddr_t)&vlr; 2037 2038 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2039 return; 2040 2041 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2042 printf("\tvlan: %d parent: %s\n", 2043 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2044 "<none>" : vlr.vlr_parent); 2045 } 2046 2047 void 2048 in_alias(creq) 2049 struct ifreq *creq; 2050 { 2051 struct sockaddr_in *sin; 2052 int alias; 2053 2054 if (lflag) 2055 return; 2056 2057 alias = 1; 2058 2059 /* Get the non-alias address for this interface. */ 2060 getsock(AF_INET); 2061 if (s < 0) { 2062 if (errno == EPROTONOSUPPORT) 2063 return; 2064 err(1, "socket"); 2065 } 2066 (void) memset(&ifr, 0, sizeof(ifr)); 2067 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2068 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2069 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2070 return; 2071 } else 2072 warn("SIOCGIFADDR"); 2073 } 2074 /* If creq and ifr are the same address, this is not an alias. */ 2075 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2076 sizeof(creq->ifr_addr)) == 0) 2077 alias = 0; 2078 (void) memset(&addreq, 0, sizeof(addreq)); 2079 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2080 addreq.ifra_addr = creq->ifr_addr; 2081 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2082 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2083 return; 2084 } else 2085 warn("SIOCGIFALIAS"); 2086 } 2087 2088 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2089 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2090 2091 if (flags & IFF_POINTOPOINT) { 2092 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2093 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2094 } 2095 2096 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2097 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2098 2099 if (flags & IFF_BROADCAST) { 2100 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2101 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2102 } 2103 printf("\n"); 2104 } 2105 2106 void 2107 in_status(force) 2108 int force; 2109 { 2110 struct ifaddrs *ifap, *ifa; 2111 struct ifreq ifr; 2112 2113 if (getifaddrs(&ifap) != 0) 2114 err(1, "getifaddrs"); 2115 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2116 if (strcmp(name, ifa->ifa_name) != 0) 2117 continue; 2118 if (ifa->ifa_addr->sa_family != AF_INET) 2119 continue; 2120 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2121 continue; 2122 2123 memset(&ifr, 0, sizeof(ifr)); 2124 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2125 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2126 in_alias(&ifr); 2127 } 2128 freeifaddrs(ifap); 2129 } 2130 2131 void 2132 setifprefixlen(addr, d) 2133 const char *addr; 2134 int d; 2135 { 2136 if (*afp->af_getprefix) 2137 (*afp->af_getprefix)(addr, MASK); 2138 explicit_prefix = 1; 2139 } 2140 2141 #ifdef INET6 2142 void 2143 in6_fillscopeid(sin6) 2144 struct sockaddr_in6 *sin6; 2145 { 2146 #if defined(__KAME__) && defined(KAME_SCOPEID) 2147 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2148 sin6->sin6_scope_id = 2149 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2150 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2151 } 2152 #endif 2153 } 2154 2155 /* XXX not really an alias */ 2156 void 2157 in6_alias(creq) 2158 struct in6_ifreq *creq; 2159 { 2160 struct sockaddr_in6 *sin6; 2161 char hbuf[NI_MAXHOST]; 2162 u_int32_t scopeid; 2163 #ifdef NI_WITHSCOPEID 2164 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2165 #else 2166 const int niflag = NI_NUMERICHOST; 2167 #endif 2168 2169 /* Get the non-alias address for this interface. */ 2170 getsock(AF_INET6); 2171 if (s < 0) { 2172 if (errno == EPROTONOSUPPORT) 2173 return; 2174 err(1, "socket"); 2175 } 2176 2177 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2178 2179 in6_fillscopeid(sin6); 2180 scopeid = sin6->sin6_scope_id; 2181 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2182 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2183 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2184 printf("\tinet6 %s", hbuf); 2185 2186 if (flags & IFF_POINTOPOINT) { 2187 (void) memset(&ifr6, 0, sizeof(ifr6)); 2188 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2189 ifr6.ifr_addr = creq->ifr_addr; 2190 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2191 if (errno != EADDRNOTAVAIL) 2192 warn("SIOCGIFDSTADDR_IN6"); 2193 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2194 ifr6.ifr_addr.sin6_family = AF_INET6; 2195 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2196 } 2197 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2198 in6_fillscopeid(sin6); 2199 hbuf[0] = '\0'; 2200 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2201 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2202 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2203 printf(" -> %s", hbuf); 2204 } 2205 2206 (void) memset(&ifr6, 0, sizeof(ifr6)); 2207 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2208 ifr6.ifr_addr = creq->ifr_addr; 2209 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2210 if (errno != EADDRNOTAVAIL) 2211 warn("SIOCGIFNETMASK_IN6"); 2212 } else { 2213 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2214 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2215 sizeof(struct in6_addr))); 2216 } 2217 2218 (void) memset(&ifr6, 0, sizeof(ifr6)); 2219 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2220 ifr6.ifr_addr = creq->ifr_addr; 2221 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2222 if (errno != EADDRNOTAVAIL) 2223 warn("SIOCGIFAFLAG_IN6"); 2224 } else { 2225 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2226 printf(" anycast"); 2227 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2228 printf(" tentative"); 2229 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2230 printf(" duplicated"); 2231 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2232 printf(" detached"); 2233 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2234 printf(" deprecated"); 2235 } 2236 2237 if (scopeid) 2238 printf(" scopeid 0x%x", scopeid); 2239 2240 if (Lflag) { 2241 struct in6_addrlifetime *lifetime; 2242 (void) memset(&ifr6, 0, sizeof(ifr6)); 2243 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2244 ifr6.ifr_addr = creq->ifr_addr; 2245 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2246 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2247 if (errno != EADDRNOTAVAIL) 2248 warn("SIOCGIFALIFETIME_IN6"); 2249 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2250 time_t t = time(NULL); 2251 printf(" pltime "); 2252 if (lifetime->ia6t_preferred) { 2253 printf("%s", lifetime->ia6t_preferred < t 2254 ? "0" 2255 : sec2str(lifetime->ia6t_preferred - t)); 2256 } else 2257 printf("infty"); 2258 2259 printf(" vltime "); 2260 if (lifetime->ia6t_expire) { 2261 printf("%s", lifetime->ia6t_expire < t 2262 ? "0" 2263 : sec2str(lifetime->ia6t_expire - t)); 2264 } else 2265 printf("infty"); 2266 } 2267 } 2268 2269 printf("\n"); 2270 } 2271 2272 void 2273 in6_status(force) 2274 int force; 2275 { 2276 struct ifaddrs *ifap, *ifa; 2277 struct in6_ifreq ifr; 2278 2279 if (getifaddrs(&ifap) != 0) 2280 err(1, "getifaddrs"); 2281 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2282 if (strcmp(name, ifa->ifa_name) != 0) 2283 continue; 2284 if (ifa->ifa_addr->sa_family != AF_INET6) 2285 continue; 2286 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2287 continue; 2288 2289 memset(&ifr, 0, sizeof(ifr)); 2290 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2291 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2292 in6_alias(&ifr); 2293 } 2294 freeifaddrs(ifap); 2295 } 2296 #endif /*INET6*/ 2297 2298 #ifndef INET_ONLY 2299 2300 void 2301 at_status(force) 2302 int force; 2303 { 2304 struct sockaddr_at *sat, null_sat; 2305 struct netrange *nr; 2306 2307 getsock(AF_APPLETALK); 2308 if (s < 0) { 2309 if (errno == EPROTONOSUPPORT) 2310 return; 2311 err(1, "socket"); 2312 } 2313 (void) memset(&ifr, 0, sizeof(ifr)); 2314 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2315 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2316 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2317 if (!force) 2318 return; 2319 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2320 } else 2321 warn("SIOCGIFADDR"); 2322 } 2323 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2324 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2325 2326 (void) memset(&null_sat, 0, sizeof(null_sat)); 2327 2328 nr = (struct netrange *) &sat->sat_zero; 2329 printf("\tatalk %d.%d range %d-%d phase %d", 2330 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2331 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2332 if (flags & IFF_POINTOPOINT) { 2333 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2334 if (errno == EADDRNOTAVAIL) 2335 (void) memset(&ifr.ifr_addr, 0, 2336 sizeof(ifr.ifr_addr)); 2337 else 2338 warn("SIOCGIFDSTADDR"); 2339 } 2340 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2341 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2342 if (!sat) 2343 sat = &null_sat; 2344 printf("--> %d.%d", 2345 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2346 } 2347 if (flags & IFF_BROADCAST) { 2348 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2349 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2350 if (sat) 2351 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2352 sat->sat_addr.s_node); 2353 } 2354 putchar('\n'); 2355 } 2356 2357 void 2358 xns_status(force) 2359 int force; 2360 { 2361 struct sockaddr_ns *sns; 2362 2363 getsock(AF_NS); 2364 if (s < 0) { 2365 if (errno == EPROTONOSUPPORT) 2366 return; 2367 err(1, "socket"); 2368 } 2369 (void) memset(&ifr, 0, sizeof(ifr)); 2370 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2371 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2372 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2373 if (!force) 2374 return; 2375 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2376 } else 2377 warn("SIOCGIFADDR"); 2378 } 2379 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2380 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2381 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2382 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2383 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2384 if (errno == EADDRNOTAVAIL) 2385 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2386 else 2387 warn("SIOCGIFDSTADDR"); 2388 } 2389 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2390 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2391 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2392 } 2393 putchar('\n'); 2394 } 2395 2396 void 2397 iso_status(force) 2398 int force; 2399 { 2400 struct sockaddr_iso *siso; 2401 struct iso_ifreq ifr; 2402 2403 getsock(AF_ISO); 2404 if (s < 0) { 2405 if (errno == EPROTONOSUPPORT) 2406 return; 2407 err(1, "socket"); 2408 } 2409 (void) memset(&ifr, 0, sizeof(ifr)); 2410 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2411 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2412 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2413 if (!force) 2414 return; 2415 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2416 } else 2417 warn("SIOCGIFADDR_ISO"); 2418 } 2419 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2420 siso = &ifr.ifr_Addr; 2421 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2422 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2423 if (errno == EADDRNOTAVAIL) 2424 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2425 else 2426 warn("SIOCGIFNETMASK_ISO"); 2427 } else { 2428 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2429 siso->siso_addr.isoa_len = siso->siso_len 2430 - offsetof(struct sockaddr_iso, siso_addr); 2431 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2432 } 2433 if (flags & IFF_POINTOPOINT) { 2434 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2435 if (errno == EADDRNOTAVAIL) 2436 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2437 else 2438 warn("SIOCGIFDSTADDR_ISO"); 2439 } 2440 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2441 siso = &ifr.ifr_Addr; 2442 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2443 } 2444 putchar('\n'); 2445 } 2446 2447 #endif /* INET_ONLY */ 2448 2449 #define SIN(x) ((struct sockaddr_in *) &(x)) 2450 struct sockaddr_in *sintab[] = { 2451 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2452 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2453 2454 void 2455 in_getaddr(s, which) 2456 const char *s; 2457 int which; 2458 { 2459 struct sockaddr_in *sin = sintab[which]; 2460 struct hostent *hp; 2461 struct netent *np; 2462 2463 sin->sin_len = sizeof(*sin); 2464 if (which != MASK) 2465 sin->sin_family = AF_INET; 2466 2467 if (which == ADDR) { 2468 char *p = NULL; 2469 if ((p = strrchr(s, '/')) != NULL) { 2470 *p = '\0'; 2471 in_getprefix(p + 1, MASK); 2472 } 2473 } 2474 2475 if (inet_aton(s, &sin->sin_addr) == 0) { 2476 if ((hp = gethostbyname(s)) != NULL) 2477 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2478 else if ((np = getnetbyname(s)) != NULL) 2479 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2480 else 2481 errx(1, "%s: bad value", s); 2482 } 2483 } 2484 2485 void 2486 in_getprefix(plen, which) 2487 const char *plen; 2488 int which; 2489 { 2490 register struct sockaddr_in *sin = sintab[which]; 2491 register u_char *cp; 2492 int len = strtol(plen, (char **)NULL, 10); 2493 2494 if ((len < 0) || (len > 32)) 2495 errx(1, "%s: bad value", plen); 2496 sin->sin_len = sizeof(*sin); 2497 if (which != MASK) 2498 sin->sin_family = AF_INET; 2499 if ((len == 0) || (len == 32)) { 2500 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2501 return; 2502 } 2503 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2504 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2505 *cp++ = 0xff; 2506 if (len) 2507 *cp = 0xff << (8 - len); 2508 } 2509 2510 /* 2511 * Print a value a la the %b format of the kernel's printf 2512 */ 2513 void 2514 printb(s, v, bits) 2515 const char *s; 2516 unsigned short v; 2517 const char *bits; 2518 { 2519 int i, any = 0; 2520 char c; 2521 2522 if (bits && *bits == 8) 2523 printf("%s=%o", s, v); 2524 else 2525 printf("%s=%x", s, v); 2526 bits++; 2527 if (bits) { 2528 putchar('<'); 2529 while ((i = *bits++) != 0) { 2530 if (v & (1 << (i-1))) { 2531 if (any) 2532 putchar(','); 2533 any = 1; 2534 for (; (c = *bits) > 32; bits++) 2535 putchar(c); 2536 } else 2537 for (; *bits > 32; bits++) 2538 ; 2539 } 2540 putchar('>'); 2541 } 2542 } 2543 2544 #ifdef INET6 2545 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2546 struct sockaddr_in6 *sin6tab[] = { 2547 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2548 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2549 2550 void 2551 in6_getaddr(s, which) 2552 const char *s; 2553 int which; 2554 { 2555 #if defined(__KAME__) && defined(KAME_SCOPEID) 2556 struct sockaddr_in6 *sin6 = sin6tab[which]; 2557 struct addrinfo hints, *res; 2558 int error; 2559 2560 memset(&hints, 0, sizeof(hints)); 2561 hints.ai_family = AF_INET6; 2562 hints.ai_socktype = SOCK_DGRAM; 2563 #if 0 /* in_getaddr() allows FQDN */ 2564 hints.ai_flags = AI_NUMERICHOST; 2565 #endif 2566 error = getaddrinfo(s, "0", &hints, &res); 2567 if (error) 2568 errx(1, "%s: %s", s, gai_strerror(error)); 2569 if (res->ai_next) 2570 errx(1, "%s: resolved to multiple hosts", s); 2571 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2572 errx(1, "%s: bad value", s); 2573 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2574 freeaddrinfo(res); 2575 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2576 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2577 htons(sin6->sin6_scope_id); 2578 sin6->sin6_scope_id = 0; 2579 } 2580 #else 2581 struct sockaddr_in6 *sin = sin6tab[which]; 2582 2583 sin->sin6_len = sizeof(*sin); 2584 if (which != MASK) 2585 sin->sin6_family = AF_INET6; 2586 2587 if (which == ADDR) { 2588 char *p = NULL; 2589 if((p = strrchr(s, '/')) != NULL) { 2590 *p = '\0'; 2591 in6_getprefix(p + 1, MASK); 2592 explicit_prefix = 1; 2593 } 2594 } 2595 2596 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2597 errx(1, "%s: bad value", s); 2598 #endif 2599 } 2600 2601 void 2602 in6_getprefix(plen, which) 2603 const char *plen; 2604 int which; 2605 { 2606 register struct sockaddr_in6 *sin = sin6tab[which]; 2607 register u_char *cp; 2608 int len = strtol(plen, (char **)NULL, 10); 2609 2610 if ((len < 0) || (len > 128)) 2611 errx(1, "%s: bad value", plen); 2612 sin->sin6_len = sizeof(*sin); 2613 if (which != MASK) 2614 sin->sin6_family = AF_INET6; 2615 if ((len == 0) || (len == 128)) { 2616 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2617 return; 2618 } 2619 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2620 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2621 *cp++ = 0xff; 2622 if (len) 2623 *cp = 0xff << (8 - len); 2624 } 2625 2626 int 2627 prefix(val, size) 2628 void *val; 2629 int size; 2630 { 2631 register u_char *name = (u_char *)val; 2632 register int byte, bit, plen = 0; 2633 2634 for (byte = 0; byte < size; byte++, plen += 8) 2635 if (name[byte] != 0xff) 2636 break; 2637 if (byte == size) 2638 return (plen); 2639 for (bit = 7; bit != 0; bit--, plen++) 2640 if (!(name[byte] & (1 << bit))) 2641 break; 2642 for (; bit != 0; bit--) 2643 if (name[byte] & (1 << bit)) 2644 return(0); 2645 byte++; 2646 for (; byte < size; byte++) 2647 if (name[byte]) 2648 return(0); 2649 return (plen); 2650 } 2651 #endif /*INET6*/ 2652 2653 #ifndef INET_ONLY 2654 void 2655 at_getaddr(addr, which) 2656 const char *addr; 2657 int which; 2658 { 2659 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2660 u_int net, node; 2661 2662 sat->sat_family = AF_APPLETALK; 2663 sat->sat_len = sizeof(*sat); 2664 if (which == MASK) 2665 errx(1, "AppleTalk does not use netmasks\n"); 2666 if (sscanf(addr, "%u.%u", &net, &node) != 2 2667 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2668 errx(1, "%s: illegal address", addr); 2669 sat->sat_addr.s_net = htons(net); 2670 sat->sat_addr.s_node = node; 2671 } 2672 2673 void 2674 setatrange(range, d) 2675 const char *range; 2676 int d; 2677 { 2678 u_short first = 123, last = 123; 2679 2680 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2681 || first == 0 || first > 0xffff 2682 || last == 0 || last > 0xffff || first > last) 2683 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2684 at_nr.nr_firstnet = htons(first); 2685 at_nr.nr_lastnet = htons(last); 2686 } 2687 2688 void 2689 setatphase(phase, d) 2690 const char *phase; 2691 int d; 2692 { 2693 if (!strcmp(phase, "1")) 2694 at_nr.nr_phase = 1; 2695 else if (!strcmp(phase, "2")) 2696 at_nr.nr_phase = 2; 2697 else 2698 errx(1, "%s: illegal phase", phase); 2699 } 2700 2701 void 2702 checkatrange(sat) 2703 struct sockaddr_at *sat; 2704 { 2705 if (at_nr.nr_phase == 0) 2706 at_nr.nr_phase = 2; /* Default phase 2 */ 2707 if (at_nr.nr_firstnet == 0) 2708 at_nr.nr_firstnet = /* Default range of one */ 2709 at_nr.nr_lastnet = sat->sat_addr.s_net; 2710 printf("\tatalk %d.%d range %d-%d phase %d\n", 2711 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2712 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2713 if ((u_short) ntohs(at_nr.nr_firstnet) > 2714 (u_short) ntohs(sat->sat_addr.s_net) 2715 || (u_short) ntohs(at_nr.nr_lastnet) < 2716 (u_short) ntohs(sat->sat_addr.s_net)) 2717 errx(1, "AppleTalk address is not in range"); 2718 *((struct netrange *) &sat->sat_zero) = at_nr; 2719 } 2720 2721 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2722 struct sockaddr_ns *snstab[] = { 2723 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2724 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2725 2726 void 2727 xns_getaddr(addr, which) 2728 const char *addr; 2729 int which; 2730 { 2731 struct sockaddr_ns *sns = snstab[which]; 2732 2733 sns->sns_family = AF_NS; 2734 sns->sns_len = sizeof(*sns); 2735 sns->sns_addr = ns_addr(addr); 2736 if (which == MASK) 2737 puts("Attempt to set XNS netmask will be ineffectual"); 2738 } 2739 2740 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2741 struct sockaddr_iso *sisotab[] = { 2742 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2743 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2744 2745 void 2746 iso_getaddr(addr, which) 2747 const char *addr; 2748 int which; 2749 { 2750 struct sockaddr_iso *siso = sisotab[which]; 2751 siso->siso_addr = *iso_addr(addr); 2752 2753 if (which == MASK) { 2754 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2755 siso->siso_nlen = 0; 2756 } else { 2757 siso->siso_len = sizeof(*siso); 2758 siso->siso_family = AF_ISO; 2759 } 2760 } 2761 2762 void 2763 setsnpaoffset(val, d) 2764 const char *val; 2765 int d; 2766 { 2767 iso_addreq.ifra_snpaoffset = atoi(val); 2768 } 2769 2770 void 2771 setnsellength(val, d) 2772 const char *val; 2773 int d; 2774 { 2775 nsellength = atoi(val); 2776 if (nsellength < 0) 2777 errx(1, "Negative NSEL length is absurd"); 2778 if (afp == 0 || afp->af_af != AF_ISO) 2779 errx(1, "Setting NSEL length valid only for iso"); 2780 } 2781 2782 void 2783 fixnsel(s) 2784 struct sockaddr_iso *s; 2785 { 2786 if (s->siso_family == 0) 2787 return; 2788 s->siso_tlen = nsellength; 2789 } 2790 2791 void 2792 adjust_nsellength() 2793 { 2794 fixnsel(sisotab[RIDADDR]); 2795 fixnsel(sisotab[ADDR]); 2796 fixnsel(sisotab[DSTADDR]); 2797 } 2798 2799 #endif /* INET_ONLY */ 2800 2801 void 2802 usage() 2803 { 2804 const char *progname = getprogname(); 2805 2806 fprintf(stderr, 2807 "usage: %s [ -m ] " 2808 #ifdef INET6 2809 "[ -L ] " 2810 #endif 2811 "interface\n" 2812 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2813 "\t\t[ alias | -alias ] ]\n" 2814 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2815 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2816 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2817 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2818 "\t[ arp | -arp ]\n" 2819 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2820 "[ instance minst ]\n" 2821 "\t[ vlan n vlanif i ]\n" 2822 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2823 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2824 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2825 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2826 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2827 " %s -C\n" 2828 " %s interface create\n" 2829 " %s interface destroy\n", 2830 progname, progname, progname, progname, progname, progname); 2831 exit(1); 2832 } 2833 2834 #ifdef INET6 2835 char * 2836 sec2str(total) 2837 time_t total; 2838 { 2839 static char result[256]; 2840 int days, hours, mins, secs; 2841 int first = 1; 2842 char *p = result; 2843 char *end = &result[sizeof(result)]; 2844 int n; 2845 2846 if (0) { /*XXX*/ 2847 days = total / 3600 / 24; 2848 hours = (total / 3600) % 24; 2849 mins = (total / 60) % 60; 2850 secs = total % 60; 2851 2852 if (days) { 2853 first = 0; 2854 n = snprintf(p, end - p, "%dd", days); 2855 if (n < 0 || n >= end - p) 2856 return(result); 2857 p += n; 2858 } 2859 if (!first || hours) { 2860 first = 0; 2861 n = snprintf(p, end - p, "%dh", hours); 2862 if (n < 0 || n >= end - p) 2863 return(result); 2864 p += n; 2865 } 2866 if (!first || mins) { 2867 first = 0; 2868 n = snprintf(p, end - p, "%dm", mins); 2869 if (n < 0 || n >= end - p) 2870 return(result); 2871 p += n; 2872 } 2873 snprintf(p, end - p, "%ds", secs); 2874 } else 2875 snprintf(p, end - p, "%lu", (u_long)total); 2876 2877 return(result); 2878 } 2879 #endif 2880
Indexes created Wed Oct 01 19:09:53 GMT 2025