ifconfig.c revision 1.130
1 /* $NetBSD: ifconfig.c,v 1.130 2002/09/20 21:21:53 christos 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 1.130 2002/09/20 21:21:53 christos 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 #include <util.h> 126 127 struct ifreq ifr, ridreq; 128 struct ifaliasreq addreq __attribute__((aligned(4))); 129 struct in_aliasreq in_addreq; 130 #ifdef INET6 131 struct in6_ifreq ifr6; 132 struct in6_ifreq in6_ridreq; 133 struct in6_aliasreq in6_addreq; 134 #endif 135 struct iso_ifreq iso_ridreq; 136 struct iso_aliasreq iso_addreq; 137 struct sockaddr_in netmask; 138 struct netrange at_nr; /* AppleTalk net range */ 139 140 char name[30]; 141 u_short flags; 142 int setaddr, setipdst, doalias; 143 u_long metric, mtu; 144 int clearaddr, s; 145 int newaddr = -1; 146 int conflicting = 0; 147 int nsellength = 1; 148 int af; 149 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag; 150 #ifdef INET6 151 int Lflag; 152 #endif 153 int reset_if_flags; 154 int explicit_prefix = 0; 155 u_int vlan_tag = (u_int)-1; 156 157 struct ifcapreq g_ifcr; 158 int g_ifcr_updated; 159 160 void notealias __P((const char *, int)); 161 void notrailers __P((const char *, int)); 162 void setifaddr __P((const char *, int)); 163 void setifdstaddr __P((const char *, int)); 164 void setifflags __P((const char *, int)); 165 void setifcaps __P((const char *, int)); 166 void setifbroadaddr __P((const char *, int)); 167 void setifipdst __P((const char *, int)); 168 void setifmetric __P((const char *, int)); 169 void setifmtu __P((const char *, int)); 170 void setifnwid __P((const char *, int)); 171 void setifnwkey __P((const char *, int)); 172 void setifpowersave __P((const char *, int)); 173 void setifpowersavesleep __P((const char *, int)); 174 void setifnetmask __P((const char *, int)); 175 void setifprefixlen __P((const char *, int)); 176 void setnsellength __P((const char *, int)); 177 void setsnpaoffset __P((const char *, int)); 178 void setatrange __P((const char *, int)); 179 void setatphase __P((const char *, int)); 180 void settunnel __P((const char *, const char *)); 181 void deletetunnel __P((const char *, int)); 182 #ifdef INET6 183 void setia6flags __P((const char *, int)); 184 void setia6pltime __P((const char *, int)); 185 void setia6vltime __P((const char *, int)); 186 void setia6lifetime __P((const char *, const char *)); 187 void setia6eui64 __P((const char *, int)); 188 #endif 189 void checkatrange __P ((struct sockaddr_at *)); 190 void setmedia __P((const char *, int)); 191 void setmediaopt __P((const char *, int)); 192 void unsetmediaopt __P((const char *, int)); 193 void setmediainst __P((const char *, int)); 194 void clone_create __P((const char *, int)); 195 void clone_destroy __P((const char *, int)); 196 void fixnsel __P((struct sockaddr_iso *)); 197 void setvlan __P((const char *, int)); 198 void setvlanif __P((const char *, int)); 199 void unsetvlanif __P((const char *, int)); 200 int main __P((int, char *[])); 201 202 /* 203 * Media stuff. Whenever a media command is first performed, the 204 * currently select media is grabbed for this interface. If `media' 205 * is given, the current media word is modifed. `mediaopt' commands 206 * only modify the set and clear words. They then operate on the 207 * current media word later. 208 */ 209 int media_current; 210 int mediaopt_set; 211 int mediaopt_clear; 212 213 int actions; /* Actions performed */ 214 215 #define A_MEDIA 0x0001 /* media command */ 216 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 217 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 218 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 219 #define A_MEDIAINST 0x0008 /* instance or inst command */ 220 221 #define NEXTARG 0xffffff 222 #define NEXTARG2 0xfffffe 223 224 const struct cmd { 225 const char *c_name; 226 int c_parameter; /* NEXTARG means next argv */ 227 int c_action; /* defered action */ 228 void (*c_func) __P((const char *, int)); 229 void (*c_func2) __P((const char *, const char *)); 230 } cmds[] = { 231 { "up", IFF_UP, 0, setifflags } , 232 { "down", -IFF_UP, 0, setifflags }, 233 { "trailers", -1, 0, notrailers }, 234 { "-trailers", 1, 0, notrailers }, 235 { "arp", -IFF_NOARP, 0, setifflags }, 236 { "-arp", IFF_NOARP, 0, setifflags }, 237 { "debug", IFF_DEBUG, 0, setifflags }, 238 { "-debug", -IFF_DEBUG, 0, setifflags }, 239 { "alias", IFF_UP, 0, notealias }, 240 { "-alias", -IFF_UP, 0, notealias }, 241 { "delete", -IFF_UP, 0, notealias }, 242 #ifdef notdef 243 #define EN_SWABIPS 0x1000 244 { "swabips", EN_SWABIPS, 0, setifflags }, 245 { "-swabips", -EN_SWABIPS, 0, setifflags }, 246 #endif 247 { "netmask", NEXTARG, 0, setifnetmask }, 248 { "metric", NEXTARG, 0, setifmetric }, 249 { "mtu", NEXTARG, 0, setifmtu }, 250 { "nwid", NEXTARG, 0, setifnwid }, 251 { "nwkey", NEXTARG, 0, setifnwkey }, 252 { "-nwkey", -1, 0, setifnwkey }, 253 { "powersave", 1, 0, setifpowersave }, 254 { "-powersave", 0, 0, setifpowersave }, 255 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 256 { "broadcast", NEXTARG, 0, setifbroadaddr }, 257 { "ipdst", NEXTARG, 0, setifipdst }, 258 { "prefixlen", NEXTARG, 0, setifprefixlen}, 259 #ifdef INET6 260 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 261 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 262 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 263 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 264 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 265 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 266 { "pltime", NEXTARG, 0, setia6pltime }, 267 { "vltime", NEXTARG, 0, setia6vltime }, 268 { "eui64", 0, 0, setia6eui64 }, 269 #endif /*INET6*/ 270 #ifndef INET_ONLY 271 { "range", NEXTARG, 0, setatrange }, 272 { "phase", NEXTARG, 0, setatphase }, 273 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 274 { "nsellength", NEXTARG, 0, setnsellength }, 275 #endif /* INET_ONLY */ 276 { "tunnel", NEXTARG2, 0, NULL, 277 settunnel } , 278 { "deletetunnel", 0, 0, deletetunnel }, 279 { "vlan", NEXTARG, 0, setvlan } , 280 { "vlanif", NEXTARG, 0, setvlanif } , 281 { "-vlanif", 0, 0, unsetvlanif } , 282 #if 0 283 /* XXX `create' special-cased below */ 284 { "create", 0, 0, clone_create } , 285 #endif 286 { "destroy", 0, 0, clone_destroy } , 287 { "link0", IFF_LINK0, 0, setifflags } , 288 { "-link0", -IFF_LINK0, 0, setifflags } , 289 { "link1", IFF_LINK1, 0, setifflags } , 290 { "-link1", -IFF_LINK1, 0, setifflags } , 291 { "link2", IFF_LINK2, 0, setifflags } , 292 { "-link2", -IFF_LINK2, 0, setifflags } , 293 { "media", NEXTARG, A_MEDIA, setmedia }, 294 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 295 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 296 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 297 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 298 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 299 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 300 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 301 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 302 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 303 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 304 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 305 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 306 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 307 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 308 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 309 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 310 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 311 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 312 { 0, 0, 0, setifaddr }, 313 { 0, 0, 0, setifdstaddr }, 314 }; 315 316 void adjust_nsellength __P((void)); 317 int getinfo __P((struct ifreq *)); 318 int carrier __P((void)); 319 void getsock __P((int)); 320 void printall __P((const char *)); 321 void list_cloners __P((void)); 322 int prefix __P((void *, int)); 323 void status __P((const struct sockaddr_dl *)); 324 void usage __P((void)); 325 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 326 void print_string __P((const u_int8_t *, int)); 327 char *sec2str __P((time_t)); 328 329 const char *get_media_type_string __P((int)); 330 const char *get_media_subtype_string __P((int)); 331 int get_media_subtype __P((int, const char *)); 332 int get_media_options __P((int, const char *)); 333 int lookup_media_word __P((struct ifmedia_description *, int, 334 const char *)); 335 void print_media_word __P((int, int, int)); 336 void process_media_commands __P((void)); 337 void init_current_media __P((void)); 338 339 /* 340 * XNS support liberally adapted from code written at the University of 341 * Maryland principally by James O'Toole and Chris Torek. 342 */ 343 void in_alias __P((struct ifreq *)); 344 void in_status __P((int)); 345 void in_getaddr __P((const char *, int)); 346 void in_getprefix __P((const char *, int)); 347 #ifdef INET6 348 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 349 void in6_alias __P((struct in6_ifreq *)); 350 void in6_status __P((int)); 351 void in6_getaddr __P((const char *, int)); 352 void in6_getprefix __P((const char *, int)); 353 #endif 354 void at_status __P((int)); 355 void at_getaddr __P((const char *, int)); 356 void xns_status __P((int)); 357 void xns_getaddr __P((const char *, int)); 358 void iso_status __P((int)); 359 void iso_getaddr __P((const char *, int)); 360 361 void ieee80211_status __P((void)); 362 void tunnel_status __P((void)); 363 void vlan_status __P((void)); 364 365 /* Known address families */ 366 struct afswtch { 367 const char *af_name; 368 short af_af; 369 void (*af_status) __P((int)); 370 void (*af_getaddr) __P((const char *, int)); 371 void (*af_getprefix) __P((const char *, int)); 372 u_long af_difaddr; 373 u_long af_aifaddr; 374 u_long af_gifaddr; 375 caddr_t af_ridreq; 376 caddr_t af_addreq; 377 } afs[] = { 378 #define C(x) ((caddr_t) &x) 379 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 380 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 381 #ifdef INET6 382 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 383 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 384 /* 385 * Deleting the first address before setting new one is 386 * not prefered way in this protocol. 387 */ 388 0, 389 C(in6_ridreq), C(in6_addreq) }, 390 #endif 391 #ifndef INET_ONLY /* small version, for boot media */ 392 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 393 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 394 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 395 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 396 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 397 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 398 C(iso_ridreq), C(iso_addreq) }, 399 #endif /* INET_ONLY */ 400 { 0, 0, 0, 0 } 401 }; 402 403 struct afswtch *afp; /*the address family being set or asked about*/ 404 405 struct afswtch *lookup_af __P((const char *)); 406 407 int 408 main(argc, argv) 409 int argc; 410 char *argv[]; 411 { 412 struct ifreq ifreq; 413 int ch; 414 415 /* Parse command-line options */ 416 aflag = mflag = vflag = 0; 417 while ((ch = getopt(argc, argv, "AabCdlmsuv" 418 #ifdef INET6 419 "L" 420 #endif 421 )) != -1) { 422 switch (ch) { 423 case 'A': 424 warnx("-A is deprecated"); 425 break; 426 427 case 'a': 428 aflag = 1; 429 break; 430 431 case 'b': 432 bflag = 1; 433 break; 434 435 436 case 'C': 437 Cflag = 1; 438 break; 439 440 case 'd': 441 dflag = 1; 442 break; 443 444 #ifdef INET6 445 case 'L': 446 Lflag = 1; 447 break; 448 #endif 449 450 case 'l': 451 lflag = 1; 452 break; 453 454 case 'm': 455 mflag = 1; 456 break; 457 458 case 's': 459 sflag = 1; 460 break; 461 462 case 'u': 463 uflag = 1; 464 break; 465 466 case 'v': 467 vflag = 1; 468 break; 469 470 471 default: 472 usage(); 473 /* NOTREACHED */ 474 } 475 } 476 argc -= optind; 477 argv += optind; 478 479 /* 480 * -l means "list all interfaces", and is mutally exclusive with 481 * all other flags/commands. 482 * 483 * -C means "list all names of cloners", and it mutually exclusive 484 * with all other flags/commands. 485 * 486 * -a means "print status of all interfaces". 487 */ 488 if ((lflag || Cflag) && (aflag || mflag || vflag || argc)) 489 usage(); 490 #ifdef INET6 491 if ((lflag || Cflag) && Lflag) 492 usage(); 493 #endif 494 if (lflag && Cflag) 495 usage(); 496 if (Cflag) { 497 if (argc) 498 usage(); 499 list_cloners(); 500 exit(0); 501 } 502 if (aflag || lflag) { 503 if (argc > 1) 504 usage(); 505 else if (argc == 1) { 506 afp = lookup_af(argv[0]); 507 if (afp == NULL) 508 usage(); 509 } 510 if (afp) 511 af = ifr.ifr_addr.sa_family = afp->af_af; 512 else 513 af = ifr.ifr_addr.sa_family = afs[0].af_af; 514 printall(NULL); 515 exit(0); 516 } 517 518 /* Make sure there's an interface name. */ 519 if (argc < 1) 520 usage(); 521 (void) strncpy(name, argv[0], sizeof(name)); 522 argc--; argv++; 523 524 /* 525 * NOTE: We must special-case the `create' command right 526 * here as we would otherwise fail in getinfo(). 527 */ 528 if (argc > 0 && strcmp(argv[0], "create") == 0) { 529 clone_create(argv[0], 0); 530 argc--, argv++; 531 if (argc == 0) 532 exit(0); 533 } 534 535 /* Check for address family. */ 536 afp = NULL; 537 if (argc > 0) { 538 afp = lookup_af(argv[0]); 539 if (afp != NULL) { 540 argv++; 541 argc--; 542 } 543 } 544 545 /* Initialize af, just for use in getinfo(). */ 546 if (afp == NULL) 547 af = afs->af_af; 548 else 549 af = afp->af_af; 550 551 /* Get information about the interface. */ 552 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 553 if (getinfo(&ifr) < 0) 554 exit(1); 555 556 if (sflag) { 557 if (argc != 0) 558 usage(); 559 else 560 exit(carrier()); 561 } 562 563 /* No more arguments means interface status. */ 564 if (argc == 0) { 565 printall(name); 566 exit(0); 567 } 568 569 /* The following operations assume inet family as the default. */ 570 if (afp == NULL) 571 afp = afs; 572 af = ifr.ifr_addr.sa_family = afp->af_af; 573 574 #ifdef INET6 575 /* initialization */ 576 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 577 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 578 #endif 579 580 /* Process commands. */ 581 while (argc > 0) { 582 const struct cmd *p; 583 584 for (p = cmds; p->c_name; p++) 585 if (strcmp(argv[0], p->c_name) == 0) 586 break; 587 if (p->c_name == 0 && setaddr) { 588 if ((flags & IFF_POINTOPOINT) == 0) { 589 errx(EXIT_FAILURE, 590 "can't set destination address %s", 591 "on non-point-to-point link"); 592 } 593 p++; /* got src, do dst */ 594 } 595 if (p->c_func != NULL || p->c_func2 != NULL) { 596 if (p->c_parameter == NEXTARG) { 597 if (argc < 2) 598 errx(EXIT_FAILURE, 599 "'%s' requires argument", 600 p->c_name); 601 (*p->c_func)(argv[1], 0); 602 argc--, argv++; 603 } else if (p->c_parameter == NEXTARG2) { 604 if (argc < 3) 605 errx(EXIT_FAILURE, 606 "'%s' requires 2 arguments", 607 p->c_name); 608 (*p->c_func2)(argv[1], argv[2]); 609 argc -= 2, argv += 2; 610 } else 611 (*p->c_func)(argv[0], p->c_parameter); 612 actions |= p->c_action; 613 } 614 argc--, argv++; 615 } 616 617 /* 618 * See if multiple alias, -alias, or delete commands were 619 * specified. More than one constitutes an invalid command line 620 */ 621 622 if (conflicting > 1) 623 err(EXIT_FAILURE, 624 "Only one use of alias, -alias or delete is valid."); 625 626 /* Process any media commands that may have been issued. */ 627 process_media_commands(); 628 629 if (af == AF_INET6 && explicit_prefix == 0) { 630 /* 631 * Aggregatable address architecture defines all prefixes 632 * are 64. So, it is convenient to set prefixlen to 64 if 633 * it is not specified. 634 */ 635 setifprefixlen("64", 0); 636 /* in6_getprefix("64", MASK) if MASK is available here... */ 637 } 638 639 #ifndef INET_ONLY 640 if (af == AF_ISO) 641 adjust_nsellength(); 642 643 if (af == AF_APPLETALK) 644 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 645 646 if (setipdst && af==AF_NS) { 647 struct nsip_req rq; 648 int size = sizeof(rq); 649 650 rq.rq_ns = addreq.ifra_addr; 651 rq.rq_ip = addreq.ifra_dstaddr; 652 653 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 654 warn("encapsulation routing"); 655 } 656 657 #endif /* INET_ONLY */ 658 659 if (clearaddr) { 660 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 661 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 662 err(EXIT_FAILURE, "SIOCDIFADDR"); 663 } 664 if (newaddr > 0) { 665 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 666 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 667 warn("SIOCAIFADDR"); 668 } 669 670 if (g_ifcr_updated) { 671 (void) strncpy(g_ifcr.ifcr_name, name, 672 sizeof(g_ifcr.ifcr_name)); 673 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 674 err(EXIT_FAILURE, "SIOCSIFCAP"); 675 } 676 677 if (reset_if_flags) { 678 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 679 ifreq.ifr_flags = flags; 680 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 681 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 682 } 683 exit(0); 684 } 685 686 struct afswtch * 687 lookup_af(cp) 688 const char *cp; 689 { 690 struct afswtch *a; 691 692 for (a = afs; a->af_name != NULL; a++) 693 if (strcmp(a->af_name, cp) == 0) 694 return (a); 695 return (NULL); 696 } 697 698 void 699 getsock(naf) 700 int naf; 701 { 702 static int oaf = -1; 703 704 if (oaf == naf) 705 return; 706 if (oaf != -1) 707 close(s); 708 s = socket(naf, SOCK_DGRAM, 0); 709 if (s < 0) 710 oaf = -1; 711 else 712 oaf = naf; 713 } 714 715 int 716 getinfo(giifr) 717 struct ifreq *giifr; 718 { 719 720 getsock(af); 721 if (s < 0) 722 err(EXIT_FAILURE, "socket"); 723 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 724 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 725 return (-1); 726 } 727 flags = giifr->ifr_flags; 728 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 729 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 730 metric = 0; 731 } else 732 metric = giifr->ifr_metric; 733 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 734 mtu = 0; 735 else 736 mtu = giifr->ifr_mtu; 737 738 memset(&g_ifcr, 0, sizeof(g_ifcr)); 739 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 740 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 741 742 return (0); 743 } 744 745 void 746 printall(ifname) 747 const char *ifname; 748 { 749 struct ifaddrs *ifap, *ifa; 750 struct ifreq paifr; 751 const struct sockaddr_dl *sdl = NULL; 752 int idx; 753 char *p; 754 755 if (getifaddrs(&ifap) != 0) 756 err(EXIT_FAILURE, "getifaddrs"); 757 p = NULL; 758 idx = 0; 759 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 760 memset(&paifr, 0, sizeof(paifr)); 761 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 762 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 763 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 764 ifa->ifa_addr->sa_len); 765 } 766 767 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 768 continue; 769 if (ifa->ifa_addr->sa_family == AF_LINK) 770 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 771 if (p && strcmp(p, ifa->ifa_name) == 0) 772 continue; 773 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 774 name[sizeof(name) - 1] = '\0'; 775 p = ifa->ifa_name; 776 777 if (getinfo(&paifr) < 0) 778 continue; 779 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 780 continue; 781 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 782 continue; 783 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 784 continue; 785 786 if (sflag && carrier()) 787 continue; 788 idx++; 789 /* 790 * Are we just listing the interfaces? 791 */ 792 if (lflag) { 793 if (idx > 1) 794 putchar(' '); 795 fputs(name, stdout); 796 continue; 797 } 798 799 status(sdl); 800 sdl = NULL; 801 } 802 if (lflag) 803 putchar('\n'); 804 freeifaddrs(ifap); 805 } 806 807 void 808 list_cloners(void) 809 { 810 struct if_clonereq ifcr; 811 char *cp, *buf; 812 int idx; 813 814 memset(&ifcr, 0, sizeof(ifcr)); 815 816 getsock(AF_INET); 817 818 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 819 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 820 821 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 822 if (buf == NULL) 823 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 824 825 ifcr.ifcr_count = ifcr.ifcr_total; 826 ifcr.ifcr_buffer = buf; 827 828 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 829 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 830 831 /* 832 * In case some disappeared in the mean time, clamp it down. 833 */ 834 if (ifcr.ifcr_count > ifcr.ifcr_total) 835 ifcr.ifcr_count = ifcr.ifcr_total; 836 837 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 838 if (idx > 0) 839 putchar(' '); 840 printf("%s", cp); 841 } 842 843 putchar('\n'); 844 free(buf); 845 return; 846 } 847 848 /*ARGSUSED*/ 849 void 850 clone_create(addr, param) 851 const char *addr; 852 int param; 853 { 854 855 /* We're called early... */ 856 getsock(AF_INET); 857 858 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 859 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 860 err(EXIT_FAILURE, "SIOCIFCREATE"); 861 } 862 863 /*ARGSUSED*/ 864 void 865 clone_destroy(addr, param) 866 const char *addr; 867 int param; 868 { 869 870 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 871 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 872 err(EXIT_FAILURE, "SIOCIFDESTROY"); 873 } 874 875 #define RIDADDR 0 876 #define ADDR 1 877 #define MASK 2 878 #define DSTADDR 3 879 880 /*ARGSUSED*/ 881 void 882 setifaddr(addr, param) 883 const char *addr; 884 int param; 885 { 886 struct ifreq *siifr; /* XXX */ 887 888 /* 889 * Delay the ioctl to set the interface addr until flags are all set. 890 * The address interpretation may depend on the flags, 891 * and the flags may change when the address is set. 892 */ 893 setaddr++; 894 if (newaddr == -1) 895 newaddr = 1; 896 if (doalias == 0 && afp->af_gifaddr != 0) { 897 siifr = (struct ifreq *)afp->af_ridreq; 898 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 899 siifr->ifr_addr.sa_family = afp->af_af; 900 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 901 clearaddr = 1; 902 else if (errno == EADDRNOTAVAIL) 903 /* No address was assigned yet. */ 904 ; 905 else 906 err(EXIT_FAILURE, "SIOCGIFADDR"); 907 } 908 909 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 910 } 911 912 void 913 settunnel(src, dst) 914 const char *src, *dst; 915 { 916 struct addrinfo hints, *srcres, *dstres; 917 int ecode; 918 struct if_laddrreq req; 919 920 memset(&hints, 0, sizeof(hints)); 921 hints.ai_family = afp->af_af; 922 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 923 924 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 925 errx(EXIT_FAILURE, "error in parsing address string: %s", 926 gai_strerror(ecode)); 927 928 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 929 errx(EXIT_FAILURE, "error in parsing address string: %s", 930 gai_strerror(ecode)); 931 932 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 933 errx(EXIT_FAILURE, 934 "source and destination address families do not match"); 935 936 if (srcres->ai_addrlen > sizeof(req.addr) || 937 dstres->ai_addrlen > sizeof(req.dstaddr)) 938 errx(EXIT_FAILURE, "invalid sockaddr"); 939 940 memset(&req, 0, sizeof(req)); 941 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 942 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 943 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 944 945 #ifdef INET6 946 if (req.addr.ss_family == AF_INET6) { 947 struct sockaddr_in6 *s6, *d; 948 949 s6 = (struct sockaddr_in6 *)&req.addr; 950 d = (struct sockaddr_in6 *)&req.dstaddr; 951 if (s6->sin6_scope_id != d->sin6_scope_id) { 952 errx(EXIT_FAILURE, "scope mismatch"); 953 /* NOTREACHED */ 954 } 955 #ifdef __KAME__ 956 /* embed scopeid */ 957 if (s6->sin6_scope_id && 958 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 959 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 960 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 961 htons(s6->sin6_scope_id); 962 } 963 if (d->sin6_scope_id && 964 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 965 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 966 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 967 htons(d->sin6_scope_id); 968 } 969 #endif 970 } 971 #endif 972 973 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 974 warn("SIOCSLIFPHYADDR"); 975 976 freeaddrinfo(srcres); 977 freeaddrinfo(dstres); 978 } 979 980 /* ARGSUSED */ 981 void 982 deletetunnel(vname, param) 983 const char *vname; 984 int param; 985 { 986 987 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 988 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 989 } 990 991 void setvlan(val, d) 992 const char *val; 993 int d; 994 { 995 struct vlanreq vlr; 996 997 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 998 !isdigit(ifr.ifr_name[4])) 999 errx(EXIT_FAILURE, 1000 "``vlan'' valid only with vlan(4) interfaces"); 1001 1002 vlan_tag = atoi(val); 1003 1004 memset(&vlr, 0, sizeof(vlr)); 1005 ifr.ifr_data = (caddr_t)&vlr; 1006 1007 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1008 err(EXIT_FAILURE, "SIOCGETVLAN"); 1009 1010 vlr.vlr_tag = vlan_tag; 1011 1012 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1013 err(EXIT_FAILURE, "SIOCSETVLAN"); 1014 } 1015 1016 void setvlanif(val, d) 1017 const char *val; 1018 int d; 1019 { 1020 struct vlanreq vlr; 1021 1022 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1023 !isdigit(ifr.ifr_name[4])) 1024 errx(EXIT_FAILURE, 1025 "``vlanif'' valid only with vlan(4) interfaces"); 1026 1027 if (vlan_tag == (u_int)-1) 1028 errx(EXIT_FAILURE, 1029 "must specify both ``vlan'' and ``vlanif''"); 1030 1031 memset(&vlr, 0, sizeof(vlr)); 1032 ifr.ifr_data = (caddr_t)&vlr; 1033 1034 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1035 err(EXIT_FAILURE, "SIOCGETVLAN"); 1036 1037 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1038 vlr.vlr_tag = vlan_tag; 1039 1040 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1041 err(EXIT_FAILURE, "SIOCSETVLAN"); 1042 } 1043 1044 void unsetvlanif(val, d) 1045 const char *val; 1046 int d; 1047 { 1048 struct vlanreq vlr; 1049 1050 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1051 !isdigit(ifr.ifr_name[4])) 1052 errx(EXIT_FAILURE, 1053 "``vlanif'' valid only with vlan(4) interfaces"); 1054 1055 memset(&vlr, 0, sizeof(vlr)); 1056 ifr.ifr_data = (caddr_t)&vlr; 1057 1058 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1059 err(EXIT_FAILURE, "SIOCGETVLAN"); 1060 1061 vlr.vlr_parent[0] = '\0'; 1062 vlr.vlr_tag = 0; 1063 1064 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1065 err(EXIT_FAILURE, "SIOCSETVLAN"); 1066 } 1067 1068 void 1069 setifnetmask(addr, d) 1070 const char *addr; 1071 int d; 1072 { 1073 (*afp->af_getaddr)(addr, MASK); 1074 } 1075 1076 void 1077 setifbroadaddr(addr, d) 1078 const char *addr; 1079 int d; 1080 { 1081 (*afp->af_getaddr)(addr, DSTADDR); 1082 } 1083 1084 void 1085 setifipdst(addr, d) 1086 const char *addr; 1087 int d; 1088 { 1089 in_getaddr(addr, DSTADDR); 1090 setipdst++; 1091 clearaddr = 0; 1092 newaddr = 0; 1093 } 1094 1095 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1096 /*ARGSUSED*/ 1097 void 1098 notealias(addr, param) 1099 const char *addr; 1100 int param; 1101 { 1102 if (setaddr && doalias == 0 && param < 0) 1103 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1104 rqtosa(af_addreq)->sa_len); 1105 doalias = param; 1106 if (param < 0) { 1107 clearaddr = 1; 1108 newaddr = 0; 1109 conflicting++; 1110 } else { 1111 clearaddr = 0; 1112 conflicting++; 1113 } 1114 } 1115 1116 /*ARGSUSED*/ 1117 void 1118 notrailers(vname, value) 1119 const char *vname; 1120 int value; 1121 { 1122 puts("Note: trailers are no longer sent, but always received"); 1123 } 1124 1125 /*ARGSUSED*/ 1126 void 1127 setifdstaddr(addr, param) 1128 const char *addr; 1129 int param; 1130 { 1131 (*afp->af_getaddr)(addr, DSTADDR); 1132 } 1133 1134 void 1135 setifflags(vname, value) 1136 const char *vname; 1137 int value; 1138 { 1139 struct ifreq ifreq; 1140 1141 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1142 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1143 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1144 flags = ifreq.ifr_flags; 1145 1146 if (value < 0) { 1147 value = -value; 1148 flags &= ~value; 1149 } else 1150 flags |= value; 1151 ifreq.ifr_flags = flags; 1152 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1153 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1154 1155 reset_if_flags = 1; 1156 } 1157 1158 void 1159 setifcaps(vname, value) 1160 const char *vname; 1161 int value; 1162 { 1163 1164 if (value < 0) { 1165 value = -value; 1166 g_ifcr.ifcr_capenable &= ~value; 1167 } else 1168 g_ifcr.ifcr_capenable |= value; 1169 1170 g_ifcr_updated = 1; 1171 } 1172 1173 #ifdef INET6 1174 void 1175 setia6flags(vname, value) 1176 const char *vname; 1177 int value; 1178 { 1179 1180 if (value < 0) { 1181 value = -value; 1182 in6_addreq.ifra_flags &= ~value; 1183 } else 1184 in6_addreq.ifra_flags |= value; 1185 } 1186 1187 void 1188 setia6pltime(val, d) 1189 const char *val; 1190 int d; 1191 { 1192 1193 setia6lifetime("pltime", val); 1194 } 1195 1196 void 1197 setia6vltime(val, d) 1198 const char *val; 1199 int d; 1200 { 1201 1202 setia6lifetime("vltime", val); 1203 } 1204 1205 void 1206 setia6lifetime(cmd, val) 1207 const char *cmd; 1208 const char *val; 1209 { 1210 time_t newval, t; 1211 char *ep; 1212 1213 t = time(NULL); 1214 newval = (time_t)strtoul(val, &ep, 0); 1215 if (val == ep) 1216 errx(EXIT_FAILURE, "invalid %s", cmd); 1217 if (afp->af_af != AF_INET6) 1218 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1219 if (strcmp(cmd, "vltime") == 0) { 1220 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1221 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1222 } else if (strcmp(cmd, "pltime") == 0) { 1223 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1224 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1225 } 1226 } 1227 1228 void 1229 setia6eui64(cmd, val) 1230 const char *cmd; 1231 int val; 1232 { 1233 struct ifaddrs *ifap, *ifa; 1234 const struct sockaddr_in6 *sin6 = NULL; 1235 const struct in6_addr *lladdr = NULL; 1236 struct in6_addr *in6; 1237 1238 if (afp->af_af != AF_INET6) 1239 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1240 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1241 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1242 errx(EXIT_FAILURE, "interface index is already filled"); 1243 if (getifaddrs(&ifap) != 0) 1244 err(EXIT_FAILURE, "getifaddrs"); 1245 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1246 if (ifa->ifa_addr->sa_family == AF_INET6 && 1247 strcmp(ifa->ifa_name, name) == 0) { 1248 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1249 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1250 lladdr = &sin6->sin6_addr; 1251 break; 1252 } 1253 } 1254 } 1255 if (!lladdr) 1256 errx(EXIT_FAILURE, "could not determine link local address"); 1257 1258 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1259 1260 freeifaddrs(ifap); 1261 } 1262 #endif 1263 1264 void 1265 setifmetric(val, d) 1266 const char *val; 1267 int d; 1268 { 1269 char *ep = NULL; 1270 1271 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1272 ifr.ifr_metric = strtoul(val, &ep, 10); 1273 if (!ep || *ep) 1274 errx(EXIT_FAILURE, "%s: invalid metric", val); 1275 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1276 warn("SIOCSIFMETRIC"); 1277 } 1278 1279 void 1280 setifmtu(val, d) 1281 const char *val; 1282 int d; 1283 { 1284 char *ep = NULL; 1285 1286 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1287 ifr.ifr_mtu = strtoul(val, &ep, 10); 1288 if (!ep || *ep) 1289 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1290 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1291 warn("SIOCSIFMTU"); 1292 } 1293 1294 const char * 1295 get_string(val, sep, buf, lenp) 1296 const char *val, *sep; 1297 u_int8_t *buf; 1298 int *lenp; 1299 { 1300 int len; 1301 int hexstr; 1302 u_int8_t *p; 1303 1304 len = *lenp; 1305 p = buf; 1306 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1307 if (hexstr) 1308 val += 2; 1309 for (;;) { 1310 if (*val == '\0') 1311 break; 1312 if (sep != NULL && strchr(sep, *val) != NULL) { 1313 val++; 1314 break; 1315 } 1316 if (hexstr) { 1317 if (!isxdigit((u_char)val[0]) || 1318 !isxdigit((u_char)val[1])) { 1319 warnx("bad hexadecimal digits"); 1320 return NULL; 1321 } 1322 } 1323 if (p > buf + len) { 1324 if (hexstr) 1325 warnx("hexadecimal digits too long"); 1326 else 1327 warnx("strings too long"); 1328 return NULL; 1329 } 1330 if (hexstr) { 1331 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1332 *p++ = (tohex((u_char)val[0]) << 4) | 1333 tohex((u_char)val[1]); 1334 #undef tohex 1335 val += 2; 1336 } else 1337 *p++ = *val++; 1338 } 1339 len = p - buf; 1340 if (len < *lenp) 1341 memset(p, 0, *lenp - len); 1342 *lenp = len; 1343 return val; 1344 } 1345 1346 void 1347 print_string(buf, len) 1348 const u_int8_t *buf; 1349 int len; 1350 { 1351 int i; 1352 int hasspc; 1353 1354 i = 0; 1355 hasspc = 0; 1356 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1357 for (; i < len; i++) { 1358 if (!isprint(buf[i])) 1359 break; 1360 if (isspace(buf[i])) 1361 hasspc++; 1362 } 1363 } 1364 if (i == len) { 1365 if (hasspc || len == 0) 1366 printf("\"%.*s\"", len, buf); 1367 else 1368 printf("%.*s", len, buf); 1369 } else { 1370 printf("0x"); 1371 for (i = 0; i < len; i++) 1372 printf("%02x", buf[i]); 1373 } 1374 } 1375 1376 void 1377 setifnwid(val, d) 1378 const char *val; 1379 int d; 1380 { 1381 struct ieee80211_nwid nwid; 1382 int len; 1383 1384 len = sizeof(nwid.i_nwid); 1385 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1386 return; 1387 nwid.i_len = len; 1388 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1389 ifr.ifr_data = (caddr_t)&nwid; 1390 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1391 warn("SIOCS80211NWID"); 1392 } 1393 1394 void 1395 setifnwkey(val, d) 1396 const char *val; 1397 int d; 1398 { 1399 struct ieee80211_nwkey nwkey; 1400 int i; 1401 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1402 1403 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1404 nwkey.i_defkid = 1; 1405 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1406 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1407 nwkey.i_key[i].i_keydat = keybuf[i]; 1408 } 1409 if (d != 0) { 1410 /* disable WEP encryption */ 1411 nwkey.i_wepon = 0; 1412 i = 0; 1413 } else if (strcasecmp("persist", val) == 0) { 1414 /* use all values from persistent memory */ 1415 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1416 nwkey.i_defkid = 0; 1417 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1418 nwkey.i_key[i].i_keylen = -1; 1419 } else if (strncasecmp("persist:", val, 8) == 0) { 1420 val += 8; 1421 /* program keys in persistent memory */ 1422 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1423 goto set_nwkey; 1424 } else { 1425 set_nwkey: 1426 if (isdigit(val[0]) && val[1] == ':') { 1427 /* specifying a full set of four keys */ 1428 nwkey.i_defkid = val[0] - '0'; 1429 val += 2; 1430 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1431 val = get_string(val, ",", keybuf[i], 1432 &nwkey.i_key[i].i_keylen); 1433 if (val == NULL) 1434 return; 1435 } 1436 if (*val != '\0') { 1437 warnx("SIOCS80211NWKEY: too many keys."); 1438 return; 1439 } 1440 } else { 1441 val = get_string(val, NULL, keybuf[0], 1442 &nwkey.i_key[0].i_keylen); 1443 if (val == NULL) 1444 return; 1445 i = 1; 1446 } 1447 } 1448 for (; i < IEEE80211_WEP_NKID; i++) 1449 nwkey.i_key[i].i_keylen = 0; 1450 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1451 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1452 warn("SIOCS80211NWKEY"); 1453 } 1454 1455 void 1456 setifpowersave(val, d) 1457 const char *val; 1458 int d; 1459 { 1460 struct ieee80211_power power; 1461 1462 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1463 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1464 warn("SIOCG80211POWER"); 1465 return; 1466 } 1467 1468 power.i_enabled = d; 1469 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1470 warn("SIOCS80211POWER"); 1471 } 1472 1473 void 1474 setifpowersavesleep(val, d) 1475 const char *val; 1476 int d; 1477 { 1478 struct ieee80211_power power; 1479 1480 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1481 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1482 warn("SIOCG80211POWER"); 1483 return; 1484 } 1485 1486 power.i_maxsleep = atoi(val); 1487 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1488 warn("SIOCS80211POWER"); 1489 } 1490 1491 void 1492 ieee80211_status() 1493 { 1494 int i, nwkey_verbose; 1495 struct ieee80211_nwid nwid; 1496 struct ieee80211_nwkey nwkey; 1497 struct ieee80211_power power; 1498 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1499 1500 memset(&ifr, 0, sizeof(ifr)); 1501 ifr.ifr_data = (caddr_t)&nwid; 1502 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1503 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1504 return; 1505 if (nwid.i_len > IEEE80211_NWID_LEN) { 1506 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1507 return; 1508 } 1509 printf("\tnwid "); 1510 print_string(nwid.i_nwid, nwid.i_len); 1511 memset(&nwkey, 0, sizeof(nwkey)); 1512 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1513 /* show nwkey only when WEP is enabled */ 1514 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1515 nwkey.i_wepon == 0) { 1516 printf("\n"); 1517 goto skip_wep; 1518 } 1519 1520 printf(" nwkey "); 1521 /* try to retrieve WEP keys */ 1522 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1523 nwkey.i_key[i].i_keydat = keybuf[i]; 1524 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1525 } 1526 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1527 printf("*****"); 1528 } else { 1529 nwkey_verbose = 0; 1530 /* check to see non default key or multiple keys defined */ 1531 if (nwkey.i_defkid != 1) { 1532 nwkey_verbose = 1; 1533 } else { 1534 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1535 if (nwkey.i_key[i].i_keylen != 0) { 1536 nwkey_verbose = 1; 1537 break; 1538 } 1539 } 1540 } 1541 /* check extra ambiguity with keywords */ 1542 if (!nwkey_verbose) { 1543 if (nwkey.i_key[0].i_keylen >= 2 && 1544 isdigit(nwkey.i_key[0].i_keydat[0]) && 1545 nwkey.i_key[0].i_keydat[1] == ':') 1546 nwkey_verbose = 1; 1547 else if (nwkey.i_key[0].i_keylen >= 7 && 1548 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1549 == 0) 1550 nwkey_verbose = 1; 1551 } 1552 if (nwkey_verbose) 1553 printf("%d:", nwkey.i_defkid); 1554 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1555 if (i > 0) 1556 printf(","); 1557 if (nwkey.i_key[i].i_keylen < 0) 1558 printf("persist"); 1559 else 1560 print_string(nwkey.i_key[i].i_keydat, 1561 nwkey.i_key[i].i_keylen); 1562 if (!nwkey_verbose) 1563 break; 1564 } 1565 } 1566 printf("\n"); 1567 1568 skip_wep: 1569 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1570 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1571 return; 1572 printf("\tpowersave "); 1573 if (power.i_enabled) 1574 printf("on (%dms sleep)", power.i_maxsleep); 1575 else 1576 printf("off"); 1577 printf("\n"); 1578 } 1579 1580 void 1581 init_current_media() 1582 { 1583 struct ifmediareq ifmr; 1584 1585 /* 1586 * If we have not yet done so, grab the currently-selected 1587 * media. 1588 */ 1589 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1590 (void) memset(&ifmr, 0, sizeof(ifmr)); 1591 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1592 1593 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1594 /* 1595 * If we get E2BIG, the kernel is telling us 1596 * that there are more, so we can ignore it. 1597 */ 1598 if (errno != E2BIG) 1599 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1600 } 1601 1602 media_current = ifmr.ifm_current; 1603 } 1604 1605 /* Sanity. */ 1606 if (IFM_TYPE(media_current) == 0) 1607 errx(EXIT_FAILURE, "%s: no link type?", name); 1608 } 1609 1610 void 1611 process_media_commands() 1612 { 1613 1614 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1615 /* Nothing to do. */ 1616 return; 1617 } 1618 1619 /* 1620 * Media already set up, and commands sanity-checked. Set/clear 1621 * any options, and we're ready to go. 1622 */ 1623 media_current |= mediaopt_set; 1624 media_current &= ~mediaopt_clear; 1625 1626 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1627 ifr.ifr_media = media_current; 1628 1629 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1630 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1631 } 1632 1633 void 1634 setmedia(val, d) 1635 const char *val; 1636 int d; 1637 { 1638 int type, subtype, inst; 1639 1640 init_current_media(); 1641 1642 /* Only one media command may be given. */ 1643 if (actions & A_MEDIA) 1644 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1645 1646 /* Must not come after mediaopt commands */ 1647 if (actions & A_MEDIAOPT) 1648 errx(EXIT_FAILURE, 1649 "may not issue `media' after `mediaopt' commands"); 1650 1651 /* 1652 * No need to check if `instance' has been issued; setmediainst() 1653 * craps out if `media' has not been specified. 1654 */ 1655 1656 type = IFM_TYPE(media_current); 1657 inst = IFM_INST(media_current); 1658 1659 /* Look up the subtype. */ 1660 subtype = get_media_subtype(type, val); 1661 1662 /* Build the new current media word. */ 1663 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1664 1665 /* Media will be set after other processing is complete. */ 1666 } 1667 1668 void 1669 setmediaopt(val, d) 1670 const char *val; 1671 int d; 1672 { 1673 1674 init_current_media(); 1675 1676 /* Can only issue `mediaopt' once. */ 1677 if (actions & A_MEDIAOPTSET) 1678 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1679 1680 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1681 if (actions & A_MEDIAINST) 1682 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1683 1684 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1685 1686 /* Media will be set after other processing is complete. */ 1687 } 1688 1689 void 1690 unsetmediaopt(val, d) 1691 const char *val; 1692 int d; 1693 { 1694 1695 init_current_media(); 1696 1697 /* Can only issue `-mediaopt' once. */ 1698 if (actions & A_MEDIAOPTCLR) 1699 errx(EXIT_FAILURE, 1700 "only one `-mediaopt' command may be issued"); 1701 1702 /* May not issue `media' and `-mediaopt'. */ 1703 if (actions & A_MEDIA) 1704 errx(EXIT_FAILURE, 1705 "may not issue both `media' and `-mediaopt'"); 1706 1707 /* 1708 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1709 * implicitly checks for A_MEDIAINST. 1710 */ 1711 1712 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1713 1714 /* Media will be set after other processing is complete. */ 1715 } 1716 1717 void 1718 setmediainst(val, d) 1719 const char *val; 1720 int d; 1721 { 1722 int type, subtype, options, inst; 1723 1724 init_current_media(); 1725 1726 /* Can only issue `instance' once. */ 1727 if (actions & A_MEDIAINST) 1728 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1729 1730 /* Must have already specified `media' */ 1731 if ((actions & A_MEDIA) == 0) 1732 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1733 1734 type = IFM_TYPE(media_current); 1735 subtype = IFM_SUBTYPE(media_current); 1736 options = IFM_OPTIONS(media_current); 1737 1738 inst = atoi(val); 1739 if (inst < 0 || inst > IFM_INST_MAX) 1740 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1741 1742 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1743 1744 /* Media will be set after other processing is complete. */ 1745 } 1746 1747 struct ifmedia_description ifm_type_descriptions[] = 1748 IFM_TYPE_DESCRIPTIONS; 1749 1750 struct ifmedia_description ifm_subtype_descriptions[] = 1751 IFM_SUBTYPE_DESCRIPTIONS; 1752 1753 struct ifmedia_description ifm_option_descriptions[] = 1754 IFM_OPTION_DESCRIPTIONS; 1755 1756 const char * 1757 get_media_type_string(mword) 1758 int mword; 1759 { 1760 struct ifmedia_description *desc; 1761 1762 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1763 desc++) { 1764 if (IFM_TYPE(mword) == desc->ifmt_word) 1765 return (desc->ifmt_string); 1766 } 1767 return ("<unknown type>"); 1768 } 1769 1770 const char * 1771 get_media_subtype_string(mword) 1772 int mword; 1773 { 1774 struct ifmedia_description *desc; 1775 1776 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1777 desc++) { 1778 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1779 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1780 return (desc->ifmt_string); 1781 } 1782 return ("<unknown subtype>"); 1783 } 1784 1785 int 1786 get_media_subtype(type, val) 1787 int type; 1788 const char *val; 1789 { 1790 int rval; 1791 1792 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1793 if (rval == -1) 1794 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1795 get_media_type_string(type), val); 1796 1797 return (rval); 1798 } 1799 1800 int 1801 get_media_options(type, val) 1802 int type; 1803 const char *val; 1804 { 1805 char *optlist, *str; 1806 int option, rval = 0; 1807 1808 /* We muck with the string, so copy it. */ 1809 optlist = strdup(val); 1810 if (optlist == NULL) 1811 err(EXIT_FAILURE, "strdup"); 1812 str = optlist; 1813 1814 /* 1815 * Look up the options in the user-provided comma-separated list. 1816 */ 1817 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1818 option = lookup_media_word(ifm_option_descriptions, type, str); 1819 if (option == -1) 1820 errx(EXIT_FAILURE, "unknown %s media option: %s", 1821 get_media_type_string(type), str); 1822 rval |= IFM_OPTIONS(option); 1823 } 1824 1825 free(optlist); 1826 return (rval); 1827 } 1828 1829 int 1830 lookup_media_word(desc, type, val) 1831 struct ifmedia_description *desc; 1832 int type; 1833 const char *val; 1834 { 1835 1836 for (; desc->ifmt_string != NULL; desc++) { 1837 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1838 strcasecmp(desc->ifmt_string, val) == 0) 1839 return (desc->ifmt_word); 1840 } 1841 return (-1); 1842 } 1843 1844 void 1845 print_media_word(ifmw, print_type, as_syntax) 1846 int ifmw, print_type, as_syntax; 1847 { 1848 struct ifmedia_description *desc; 1849 int seen_option = 0; 1850 1851 if (print_type) 1852 printf("%s ", get_media_type_string(ifmw)); 1853 printf("%s%s", as_syntax ? "media " : "", 1854 get_media_subtype_string(ifmw)); 1855 1856 /* Find options. */ 1857 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1858 desc++) { 1859 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1860 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1861 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1862 if (seen_option == 0) 1863 printf(" %s", as_syntax ? "mediaopt " : ""); 1864 printf("%s%s", seen_option ? "," : "", 1865 desc->ifmt_string); 1866 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1867 } 1868 } 1869 if (IFM_INST(ifmw) != 0) 1870 printf(" instance %d", IFM_INST(ifmw)); 1871 } 1872 1873 int carrier() 1874 { 1875 struct ifmediareq ifmr; 1876 1877 (void) memset(&ifmr, 0, sizeof(ifmr)); 1878 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1879 1880 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1881 /* 1882 * Interface doesn't support SIOC{G,S}IFMEDIA; 1883 * assume ok. 1884 */ 1885 return 0; 1886 } 1887 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1888 /* 1889 * Interface doesn't report media-valid status. 1890 * assume ok. 1891 */ 1892 return 0; 1893 } 1894 /* otherwise, return ok for active, not-ok if not active. */ 1895 return !(ifmr.ifm_status & IFM_ACTIVE); 1896 } 1897 1898 1899 #define IFFBITS \ 1900 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1901 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1902 1903 #define IFCAPBITS \ 1904 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1905 1906 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1907 1908 const struct ifmedia_status_description ifm_status_descriptions[] = 1909 IFM_STATUS_DESCRIPTIONS; 1910 1911 /* 1912 * Print the status of the interface. If an address family was 1913 * specified, show it and it only; otherwise, show them all. 1914 */ 1915 void 1916 status(sdl) 1917 const struct sockaddr_dl *sdl; 1918 { 1919 struct afswtch *p = afp; 1920 struct ifmediareq ifmr; 1921 struct ifdatareq ifdr; 1922 int *media_list, i; 1923 char hbuf[NI_MAXHOST]; 1924 char fbuf[BUFSIZ]; 1925 1926 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1927 printf("%s: flags=%s", name, &fbuf[2]); 1928 if (metric) 1929 printf(" metric %lu", metric); 1930 if (mtu) 1931 printf(" mtu %lu", mtu); 1932 putchar('\n'); 1933 1934 if (g_ifcr.ifcr_capabilities) { 1935 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1936 g_ifcr.ifcr_capabilities); 1937 printf("\tcapabilities=%s\n", &fbuf[2]); 1938 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1939 g_ifcr.ifcr_capenable); 1940 printf("\tenabled=%s\n", &fbuf[2]); 1941 } 1942 1943 ieee80211_status(); 1944 vlan_status(); 1945 tunnel_status(); 1946 1947 if (sdl != NULL && 1948 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1949 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1950 hbuf[0] != '\0') 1951 printf("\taddress: %s\n", hbuf); 1952 1953 (void) memset(&ifmr, 0, sizeof(ifmr)); 1954 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1955 1956 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1957 /* 1958 * Interface doesn't support SIOC{G,S}IFMEDIA. 1959 */ 1960 goto iface_stats; 1961 } 1962 1963 if (ifmr.ifm_count == 0) { 1964 warnx("%s: no media types?", name); 1965 goto iface_stats; 1966 } 1967 1968 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1969 if (media_list == NULL) 1970 err(EXIT_FAILURE, "malloc"); 1971 ifmr.ifm_ulist = media_list; 1972 1973 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 1974 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1975 1976 printf("\tmedia: "); 1977 print_media_word(ifmr.ifm_current, 1, 0); 1978 if (ifmr.ifm_active != ifmr.ifm_current) { 1979 putchar(' '); 1980 putchar('('); 1981 print_media_word(ifmr.ifm_active, 0, 0); 1982 putchar(')'); 1983 } 1984 putchar('\n'); 1985 1986 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1987 const struct ifmedia_status_description *ifms; 1988 int bitno, found = 0; 1989 1990 printf("\tstatus: "); 1991 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1992 for (ifms = ifm_status_descriptions; 1993 ifms->ifms_valid != 0; ifms++) { 1994 if (ifms->ifms_type != 1995 IFM_TYPE(ifmr.ifm_current) || 1996 ifms->ifms_valid != 1997 ifm_status_valid_list[bitno]) 1998 continue; 1999 printf("%s%s", found ? ", " : "", 2000 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2001 found = 1; 2002 2003 /* 2004 * For each valid indicator bit, there's 2005 * only one entry for each media type, so 2006 * terminate the inner loop now. 2007 */ 2008 break; 2009 } 2010 } 2011 2012 if (found == 0) 2013 printf("unknown"); 2014 putchar('\n'); 2015 } 2016 2017 if (mflag) { 2018 int type, printed_type; 2019 2020 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2021 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2022 if (IFM_TYPE(media_list[i]) == type) { 2023 if (printed_type == 0) { 2024 printf("\tsupported %s media:\n", 2025 get_media_type_string(type)); 2026 printed_type = 1; 2027 } 2028 printf("\t\t"); 2029 print_media_word(media_list[i], 0, 1); 2030 printf("\n"); 2031 } 2032 } 2033 } 2034 } 2035 2036 free(media_list); 2037 2038 iface_stats: 2039 if (!vflag) 2040 goto proto_status; 2041 2042 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2043 2044 if (ioctl(s, SIOCGIFDATA, (caddr_t)&ifdr) != -1) { 2045 struct if_data * const ifi = &ifdr.ifdr_data; 2046 #define PLURAL(n) ((n) == 1 ? "" : "s") 2047 printf("\tinput: %llu packet%s, %llu byte%s", 2048 (unsigned long long) ifi->ifi_ipackets, 2049 PLURAL(ifi->ifi_ipackets), 2050 (unsigned long long) ifi->ifi_ibytes, 2051 PLURAL(ifi->ifi_ibytes)); 2052 if (ifi->ifi_imcasts) 2053 printf(", %llu multicast%s", 2054 (unsigned long long) ifi->ifi_imcasts, 2055 PLURAL(ifi->ifi_imcasts)); 2056 if (ifi->ifi_ierrors) 2057 printf(", %llu error%s", 2058 (unsigned long long) ifi->ifi_ierrors, 2059 PLURAL(ifi->ifi_ierrors)); 2060 if (ifi->ifi_iqdrops) 2061 printf(", %llu queue drop%s", 2062 (unsigned long long) ifi->ifi_iqdrops, 2063 PLURAL(ifi->ifi_iqdrops)); 2064 if (ifi->ifi_noproto) 2065 printf(", %llu unknown protocol", 2066 (unsigned long long) ifi->ifi_noproto); 2067 printf("\n\toutput: %llu packet%s, %llu byte%s", 2068 (unsigned long long) ifi->ifi_opackets, 2069 PLURAL(ifi->ifi_opackets), 2070 (unsigned long long) ifi->ifi_obytes, 2071 PLURAL(ifi->ifi_obytes)); 2072 if (ifi->ifi_omcasts) 2073 printf(", %llu multicast%s", 2074 (unsigned long long) ifi->ifi_omcasts, 2075 PLURAL(ifi->ifi_omcasts)); 2076 if (ifi->ifi_oerrors) 2077 printf(", %llu error%s", 2078 (unsigned long long) ifi->ifi_oerrors, 2079 PLURAL(ifi->ifi_oerrors)); 2080 if (ifi->ifi_collisions) 2081 printf(", %llu collision%s", 2082 (unsigned long long) ifi->ifi_collisions, 2083 PLURAL(ifi->ifi_collisions)); 2084 printf("\n"); 2085 #undef PLURAL 2086 } 2087 2088 proto_status: 2089 if ((p = afp) != NULL) { 2090 (*p->af_status)(1); 2091 } else for (p = afs; p->af_name; p++) { 2092 ifr.ifr_addr.sa_family = p->af_af; 2093 (*p->af_status)(0); 2094 } 2095 } 2096 2097 void 2098 tunnel_status() 2099 { 2100 char psrcaddr[NI_MAXHOST]; 2101 char pdstaddr[NI_MAXHOST]; 2102 const char *ver = ""; 2103 #ifdef NI_WITHSCOPEID 2104 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2105 #else 2106 const int niflag = NI_NUMERICHOST; 2107 #endif 2108 struct if_laddrreq req; 2109 2110 psrcaddr[0] = pdstaddr[0] = '\0'; 2111 2112 memset(&req, 0, sizeof(req)); 2113 strncpy(req.iflr_name, name, IFNAMSIZ); 2114 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2115 return; 2116 #ifdef INET6 2117 if (req.addr.ss_family == AF_INET6) 2118 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2119 #endif 2120 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2121 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2122 #ifdef INET6 2123 if (req.addr.ss_family == AF_INET6) 2124 ver = "6"; 2125 #endif 2126 2127 #ifdef INET6 2128 if (req.dstaddr.ss_family == AF_INET6) 2129 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2130 #endif 2131 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2132 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2133 2134 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2135 } 2136 2137 void 2138 vlan_status() 2139 { 2140 struct vlanreq vlr; 2141 2142 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2143 !isdigit(ifr.ifr_name[4])) 2144 return; 2145 2146 memset(&vlr, 0, sizeof(vlr)); 2147 ifr.ifr_data = (caddr_t)&vlr; 2148 2149 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2150 return; 2151 2152 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2153 printf("\tvlan: %d parent: %s\n", 2154 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2155 "<none>" : vlr.vlr_parent); 2156 } 2157 2158 void 2159 in_alias(creq) 2160 struct ifreq *creq; 2161 { 2162 struct sockaddr_in *iasin; 2163 int alias; 2164 2165 if (lflag) 2166 return; 2167 2168 alias = 1; 2169 2170 /* Get the non-alias address for this interface. */ 2171 getsock(AF_INET); 2172 if (s < 0) { 2173 if (errno == EPROTONOSUPPORT) 2174 return; 2175 err(EXIT_FAILURE, "socket"); 2176 } 2177 (void) memset(&ifr, 0, sizeof(ifr)); 2178 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2179 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2180 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2181 return; 2182 } else 2183 warn("SIOCGIFADDR"); 2184 } 2185 /* If creq and ifr are the same address, this is not an alias. */ 2186 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2187 sizeof(creq->ifr_addr)) == 0) 2188 alias = 0; 2189 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2190 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2191 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2192 sizeof(in_addreq.ifra_addr)); 2193 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2194 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2195 return; 2196 } else 2197 warn("SIOCGIFALIAS"); 2198 } 2199 2200 iasin = &in_addreq.ifra_addr; 2201 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2202 2203 if (flags & IFF_POINTOPOINT) { 2204 iasin = &in_addreq.ifra_dstaddr; 2205 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2206 } 2207 2208 iasin = &in_addreq.ifra_mask; 2209 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2210 2211 if (flags & IFF_BROADCAST) { 2212 iasin = &in_addreq.ifra_broadaddr; 2213 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2214 } 2215 printf("\n"); 2216 } 2217 2218 void 2219 in_status(force) 2220 int force; 2221 { 2222 struct ifaddrs *ifap, *ifa; 2223 struct ifreq isifr; 2224 2225 if (getifaddrs(&ifap) != 0) 2226 err(EXIT_FAILURE, "getifaddrs"); 2227 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2228 if (strcmp(name, ifa->ifa_name) != 0) 2229 continue; 2230 if (ifa->ifa_addr->sa_family != AF_INET) 2231 continue; 2232 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2233 continue; 2234 2235 memset(&isifr, 0, sizeof(isifr)); 2236 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2237 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2238 in_alias(&isifr); 2239 } 2240 freeifaddrs(ifap); 2241 } 2242 2243 void 2244 setifprefixlen(addr, d) 2245 const char *addr; 2246 int d; 2247 { 2248 if (*afp->af_getprefix) 2249 (*afp->af_getprefix)(addr, MASK); 2250 explicit_prefix = 1; 2251 } 2252 2253 #ifdef INET6 2254 void 2255 in6_fillscopeid(sin6) 2256 struct sockaddr_in6 *sin6; 2257 { 2258 #if defined(__KAME__) && defined(KAME_SCOPEID) 2259 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2260 sin6->sin6_scope_id = 2261 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2262 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2263 } 2264 #endif 2265 } 2266 2267 /* XXX not really an alias */ 2268 void 2269 in6_alias(creq) 2270 struct in6_ifreq *creq; 2271 { 2272 struct sockaddr_in6 *sin6; 2273 char hbuf[NI_MAXHOST]; 2274 u_int32_t scopeid; 2275 #ifdef NI_WITHSCOPEID 2276 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2277 #else 2278 const int niflag = NI_NUMERICHOST; 2279 #endif 2280 2281 /* Get the non-alias address for this interface. */ 2282 getsock(AF_INET6); 2283 if (s < 0) { 2284 if (errno == EPROTONOSUPPORT) 2285 return; 2286 err(EXIT_FAILURE, "socket"); 2287 } 2288 2289 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2290 2291 in6_fillscopeid(sin6); 2292 scopeid = sin6->sin6_scope_id; 2293 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2294 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2295 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2296 printf("\tinet6 %s", hbuf); 2297 2298 if (flags & IFF_POINTOPOINT) { 2299 (void) memset(&ifr6, 0, sizeof(ifr6)); 2300 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2301 ifr6.ifr_addr = creq->ifr_addr; 2302 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2303 if (errno != EADDRNOTAVAIL) 2304 warn("SIOCGIFDSTADDR_IN6"); 2305 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2306 ifr6.ifr_addr.sin6_family = AF_INET6; 2307 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2308 } 2309 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2310 in6_fillscopeid(sin6); 2311 hbuf[0] = '\0'; 2312 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2313 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2314 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2315 printf(" -> %s", hbuf); 2316 } 2317 2318 (void) memset(&ifr6, 0, sizeof(ifr6)); 2319 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2320 ifr6.ifr_addr = creq->ifr_addr; 2321 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2322 if (errno != EADDRNOTAVAIL) 2323 warn("SIOCGIFNETMASK_IN6"); 2324 } else { 2325 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2326 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2327 sizeof(struct in6_addr))); 2328 } 2329 2330 (void) memset(&ifr6, 0, sizeof(ifr6)); 2331 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2332 ifr6.ifr_addr = creq->ifr_addr; 2333 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2334 if (errno != EADDRNOTAVAIL) 2335 warn("SIOCGIFAFLAG_IN6"); 2336 } else { 2337 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2338 printf(" anycast"); 2339 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2340 printf(" tentative"); 2341 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2342 printf(" duplicated"); 2343 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2344 printf(" detached"); 2345 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2346 printf(" deprecated"); 2347 } 2348 2349 if (scopeid) 2350 printf(" scopeid 0x%x", scopeid); 2351 2352 if (Lflag) { 2353 struct in6_addrlifetime *lifetime; 2354 (void) memset(&ifr6, 0, sizeof(ifr6)); 2355 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2356 ifr6.ifr_addr = creq->ifr_addr; 2357 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2358 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2359 if (errno != EADDRNOTAVAIL) 2360 warn("SIOCGIFALIFETIME_IN6"); 2361 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2362 time_t t = time(NULL); 2363 printf(" pltime "); 2364 if (lifetime->ia6t_preferred) { 2365 printf("%s", lifetime->ia6t_preferred < t 2366 ? "0" 2367 : sec2str(lifetime->ia6t_preferred - t)); 2368 } else 2369 printf("infty"); 2370 2371 printf(" vltime "); 2372 if (lifetime->ia6t_expire) { 2373 printf("%s", lifetime->ia6t_expire < t 2374 ? "0" 2375 : sec2str(lifetime->ia6t_expire - t)); 2376 } else 2377 printf("infty"); 2378 } 2379 } 2380 2381 printf("\n"); 2382 } 2383 2384 void 2385 in6_status(force) 2386 int force; 2387 { 2388 struct ifaddrs *ifap, *ifa; 2389 struct in6_ifreq isifr; 2390 2391 if (getifaddrs(&ifap) != 0) 2392 err(EXIT_FAILURE, "getifaddrs"); 2393 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2394 if (strcmp(name, ifa->ifa_name) != 0) 2395 continue; 2396 if (ifa->ifa_addr->sa_family != AF_INET6) 2397 continue; 2398 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2399 continue; 2400 2401 memset(&isifr, 0, sizeof(isifr)); 2402 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2403 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2404 in6_alias(&isifr); 2405 } 2406 freeifaddrs(ifap); 2407 } 2408 #endif /*INET6*/ 2409 2410 #ifndef INET_ONLY 2411 2412 void 2413 at_status(force) 2414 int force; 2415 { 2416 struct sockaddr_at *sat, null_sat; 2417 struct netrange *nr; 2418 2419 getsock(AF_APPLETALK); 2420 if (s < 0) { 2421 if (errno == EPROTONOSUPPORT) 2422 return; 2423 err(EXIT_FAILURE, "socket"); 2424 } 2425 (void) memset(&ifr, 0, sizeof(ifr)); 2426 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2427 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2428 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2429 if (!force) 2430 return; 2431 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2432 } else 2433 warn("SIOCGIFADDR"); 2434 } 2435 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2436 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2437 2438 (void) memset(&null_sat, 0, sizeof(null_sat)); 2439 2440 nr = (struct netrange *) &sat->sat_zero; 2441 printf("\tatalk %d.%d range %d-%d phase %d", 2442 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2443 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2444 if (flags & IFF_POINTOPOINT) { 2445 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2446 if (errno == EADDRNOTAVAIL) 2447 (void) memset(&ifr.ifr_addr, 0, 2448 sizeof(ifr.ifr_addr)); 2449 else 2450 warn("SIOCGIFDSTADDR"); 2451 } 2452 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2453 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2454 if (!sat) 2455 sat = &null_sat; 2456 printf("--> %d.%d", 2457 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2458 } 2459 if (flags & IFF_BROADCAST) { 2460 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2461 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2462 if (sat) 2463 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2464 sat->sat_addr.s_node); 2465 } 2466 putchar('\n'); 2467 } 2468 2469 void 2470 xns_status(force) 2471 int force; 2472 { 2473 struct sockaddr_ns *sns; 2474 2475 getsock(AF_NS); 2476 if (s < 0) { 2477 if (errno == EPROTONOSUPPORT) 2478 return; 2479 err(EXIT_FAILURE, "socket"); 2480 } 2481 (void) memset(&ifr, 0, sizeof(ifr)); 2482 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2483 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2484 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2485 if (!force) 2486 return; 2487 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2488 } else 2489 warn("SIOCGIFADDR"); 2490 } 2491 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2492 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2493 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2494 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2495 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2496 if (errno == EADDRNOTAVAIL) 2497 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2498 else 2499 warn("SIOCGIFDSTADDR"); 2500 } 2501 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2502 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2503 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2504 } 2505 putchar('\n'); 2506 } 2507 2508 void 2509 iso_status(force) 2510 int force; 2511 { 2512 struct sockaddr_iso *siso; 2513 struct iso_ifreq isoifr; 2514 2515 getsock(AF_ISO); 2516 if (s < 0) { 2517 if (errno == EPROTONOSUPPORT) 2518 return; 2519 err(EXIT_FAILURE, "socket"); 2520 } 2521 (void) memset(&isoifr, 0, sizeof(isoifr)); 2522 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2523 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2524 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2525 if (!force) 2526 return; 2527 (void) memset(&isoifr.ifr_Addr, 0, 2528 sizeof(isoifr.ifr_Addr)); 2529 } else 2530 warn("SIOCGIFADDR_ISO"); 2531 } 2532 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2533 siso = &isoifr.ifr_Addr; 2534 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2535 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2536 if (errno == EADDRNOTAVAIL) 2537 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2538 else 2539 warn("SIOCGIFNETMASK_ISO"); 2540 } else { 2541 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2542 siso->siso_addr.isoa_len = siso->siso_len 2543 - offsetof(struct sockaddr_iso, siso_addr); 2544 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2545 } 2546 if (flags & IFF_POINTOPOINT) { 2547 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2548 if (errno == EADDRNOTAVAIL) 2549 memset(&isoifr.ifr_Addr, 0, 2550 sizeof(isoifr.ifr_Addr)); 2551 else 2552 warn("SIOCGIFDSTADDR_ISO"); 2553 } 2554 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2555 siso = &isoifr.ifr_Addr; 2556 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2557 } 2558 putchar('\n'); 2559 } 2560 2561 #endif /* INET_ONLY */ 2562 2563 #define SIN(x) ((struct sockaddr_in *) &(x)) 2564 struct sockaddr_in *sintab[] = { 2565 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2566 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2567 2568 void 2569 in_getaddr(str, which) 2570 const char *str; 2571 int which; 2572 { 2573 struct sockaddr_in *gasin = sintab[which]; 2574 struct hostent *hp; 2575 struct netent *np; 2576 2577 gasin->sin_len = sizeof(*gasin); 2578 if (which != MASK) 2579 gasin->sin_family = AF_INET; 2580 2581 if (which == ADDR) { 2582 char *p = NULL; 2583 if ((p = strrchr(str, '/')) != NULL) { 2584 *p = '\0'; 2585 in_getprefix(p + 1, MASK); 2586 } 2587 } 2588 2589 if (inet_aton(str, &gasin->sin_addr) == 0) { 2590 if ((hp = gethostbyname(str)) != NULL) 2591 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2592 else if ((np = getnetbyname(str)) != NULL) 2593 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2594 else 2595 errx(EXIT_FAILURE, "%s: bad value", str); 2596 } 2597 } 2598 2599 void 2600 in_getprefix(plen, which) 2601 const char *plen; 2602 int which; 2603 { 2604 register struct sockaddr_in *igsin = sintab[which]; 2605 register u_char *cp; 2606 int len = strtol(plen, (char **)NULL, 10); 2607 2608 if ((len < 0) || (len > 32)) 2609 errx(EXIT_FAILURE, "%s: bad value", plen); 2610 igsin->sin_len = sizeof(*igsin); 2611 if (which != MASK) 2612 igsin->sin_family = AF_INET; 2613 if ((len == 0) || (len == 32)) { 2614 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2615 return; 2616 } 2617 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2618 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2619 *cp++ = 0xff; 2620 if (len) 2621 *cp = 0xff << (8 - len); 2622 } 2623 2624 #ifdef INET6 2625 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2626 struct sockaddr_in6 *sin6tab[] = { 2627 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2628 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2629 2630 void 2631 in6_getaddr(str, which) 2632 const char *str; 2633 int which; 2634 { 2635 #if defined(__KAME__) && defined(KAME_SCOPEID) 2636 struct sockaddr_in6 *sin6 = sin6tab[which]; 2637 struct addrinfo hints, *res; 2638 int error; 2639 2640 memset(&hints, 0, sizeof(hints)); 2641 hints.ai_family = AF_INET6; 2642 hints.ai_socktype = SOCK_DGRAM; 2643 #if 0 /* in_getaddr() allows FQDN */ 2644 hints.ai_flags = AI_NUMERICHOST; 2645 #endif 2646 error = getaddrinfo(str, "0", &hints, &res); 2647 if (error) 2648 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2649 if (res->ai_next) 2650 errx(EXIT_FAILURE, "%s: resolved to multiple hosts", str); 2651 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2652 errx(EXIT_FAILURE, "%s: bad value", str); 2653 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2654 freeaddrinfo(res); 2655 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2656 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2657 htons(sin6->sin6_scope_id); 2658 sin6->sin6_scope_id = 0; 2659 } 2660 #else 2661 struct sockaddr_in6 *gasin = sin6tab[which]; 2662 2663 gasin->sin6_len = sizeof(*gasin); 2664 if (which != MASK) 2665 gasin->sin6_family = AF_INET6; 2666 2667 if (which == ADDR) { 2668 char *p = NULL; 2669 if((p = strrchr(str, '/')) != NULL) { 2670 *p = '\0'; 2671 in6_getprefix(p + 1, MASK); 2672 explicit_prefix = 1; 2673 } 2674 } 2675 2676 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2677 errx(EXIT_FAILURE, "%s: bad value", str); 2678 #endif 2679 } 2680 2681 void 2682 in6_getprefix(plen, which) 2683 const char *plen; 2684 int which; 2685 { 2686 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2687 register u_char *cp; 2688 int len = strtol(plen, (char **)NULL, 10); 2689 2690 if ((len < 0) || (len > 128)) 2691 errx(EXIT_FAILURE, "%s: bad value", plen); 2692 gpsin->sin6_len = sizeof(*gpsin); 2693 if (which != MASK) 2694 gpsin->sin6_family = AF_INET6; 2695 if ((len == 0) || (len == 128)) { 2696 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2697 return; 2698 } 2699 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2700 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2701 *cp++ = 0xff; 2702 if (len) 2703 *cp = 0xff << (8 - len); 2704 } 2705 2706 int 2707 prefix(val, size) 2708 void *val; 2709 int size; 2710 { 2711 register u_char *pname = (u_char *)val; 2712 register int byte, bit, plen = 0; 2713 2714 for (byte = 0; byte < size; byte++, plen += 8) 2715 if (pname[byte] != 0xff) 2716 break; 2717 if (byte == size) 2718 return (plen); 2719 for (bit = 7; bit != 0; bit--, plen++) 2720 if (!(pname[byte] & (1 << bit))) 2721 break; 2722 for (; bit != 0; bit--) 2723 if (pname[byte] & (1 << bit)) 2724 return(0); 2725 byte++; 2726 for (; byte < size; byte++) 2727 if (pname[byte]) 2728 return(0); 2729 return (plen); 2730 } 2731 #endif /*INET6*/ 2732 2733 #ifndef INET_ONLY 2734 void 2735 at_getaddr(addr, which) 2736 const char *addr; 2737 int which; 2738 { 2739 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2740 u_int net, node; 2741 2742 sat->sat_family = AF_APPLETALK; 2743 sat->sat_len = sizeof(*sat); 2744 if (which == MASK) 2745 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2746 if (sscanf(addr, "%u.%u", &net, &node) != 2 2747 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2748 errx(EXIT_FAILURE, "%s: illegal address", addr); 2749 sat->sat_addr.s_net = htons(net); 2750 sat->sat_addr.s_node = node; 2751 } 2752 2753 void 2754 setatrange(range, d) 2755 const char *range; 2756 int d; 2757 { 2758 u_short first = 123, last = 123; 2759 2760 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2761 || first == 0 /* || first > 0xffff */ 2762 || last == 0 /* || last > 0xffff */ || first > last) 2763 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2764 first, last); 2765 at_nr.nr_firstnet = htons(first); 2766 at_nr.nr_lastnet = htons(last); 2767 } 2768 2769 void 2770 setatphase(phase, d) 2771 const char *phase; 2772 int d; 2773 { 2774 if (!strcmp(phase, "1")) 2775 at_nr.nr_phase = 1; 2776 else if (!strcmp(phase, "2")) 2777 at_nr.nr_phase = 2; 2778 else 2779 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2780 } 2781 2782 void 2783 checkatrange(sat) 2784 struct sockaddr_at *sat; 2785 { 2786 if (at_nr.nr_phase == 0) 2787 at_nr.nr_phase = 2; /* Default phase 2 */ 2788 if (at_nr.nr_firstnet == 0) 2789 at_nr.nr_firstnet = /* Default range of one */ 2790 at_nr.nr_lastnet = sat->sat_addr.s_net; 2791 printf("\tatalk %d.%d range %d-%d phase %d\n", 2792 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2793 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2794 if ((u_short) ntohs(at_nr.nr_firstnet) > 2795 (u_short) ntohs(sat->sat_addr.s_net) 2796 || (u_short) ntohs(at_nr.nr_lastnet) < 2797 (u_short) ntohs(sat->sat_addr.s_net)) 2798 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2799 *((struct netrange *) &sat->sat_zero) = at_nr; 2800 } 2801 2802 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2803 struct sockaddr_ns *snstab[] = { 2804 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2805 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2806 2807 void 2808 xns_getaddr(addr, which) 2809 const char *addr; 2810 int which; 2811 { 2812 struct sockaddr_ns *sns = snstab[which]; 2813 2814 sns->sns_family = AF_NS; 2815 sns->sns_len = sizeof(*sns); 2816 sns->sns_addr = ns_addr(addr); 2817 if (which == MASK) 2818 puts("Attempt to set XNS netmask will be ineffectual"); 2819 } 2820 2821 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2822 struct sockaddr_iso *sisotab[] = { 2823 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2824 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2825 2826 void 2827 iso_getaddr(addr, which) 2828 const char *addr; 2829 int which; 2830 { 2831 struct sockaddr_iso *siso = sisotab[which]; 2832 siso->siso_addr = *iso_addr(addr); 2833 2834 if (which == MASK) { 2835 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2836 siso->siso_nlen = 0; 2837 } else { 2838 siso->siso_len = sizeof(*siso); 2839 siso->siso_family = AF_ISO; 2840 } 2841 } 2842 2843 void 2844 setsnpaoffset(val, d) 2845 const char *val; 2846 int d; 2847 { 2848 iso_addreq.ifra_snpaoffset = atoi(val); 2849 } 2850 2851 void 2852 setnsellength(val, d) 2853 const char *val; 2854 int d; 2855 { 2856 nsellength = atoi(val); 2857 if (nsellength < 0) 2858 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2859 if (afp == 0 || afp->af_af != AF_ISO) 2860 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2861 } 2862 2863 void 2864 fixnsel(siso) 2865 struct sockaddr_iso *siso; 2866 { 2867 if (siso->siso_family == 0) 2868 return; 2869 siso->siso_tlen = nsellength; 2870 } 2871 2872 void 2873 adjust_nsellength() 2874 { 2875 fixnsel(sisotab[RIDADDR]); 2876 fixnsel(sisotab[ADDR]); 2877 fixnsel(sisotab[DSTADDR]); 2878 } 2879 2880 #endif /* INET_ONLY */ 2881 2882 void 2883 usage() 2884 { 2885 const char *progname = getprogname(); 2886 2887 fprintf(stderr, 2888 "usage: %s [ -m ] [ -v ]" 2889 #ifdef INET6 2890 "[ -L ] " 2891 #endif 2892 "interface\n" 2893 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2894 "\t\t[ alias | -alias ] ]\n" 2895 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2896 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2897 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2898 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2899 "\t[ arp | -arp ]\n" 2900 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2901 "[ instance minst ]\n" 2902 "\t[ vlan n vlanif i ]\n" 2903 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2904 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2905 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2906 " %s -a [ -m ] [ -d ] [ -u ] [ -v ] [ af ]\n" 2907 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2908 " %s -C\n" 2909 " %s interface create\n" 2910 " %s interface destroy\n", 2911 progname, progname, progname, progname, progname, progname); 2912 exit(1); 2913 } 2914 2915 #ifdef INET6 2916 char * 2917 sec2str(total) 2918 time_t total; 2919 { 2920 static char result[256]; 2921 int days, hours, mins, secs; 2922 int first = 1; 2923 char *p = result; 2924 char *end = &result[sizeof(result)]; 2925 int n; 2926 2927 if (0) { /*XXX*/ 2928 days = total / 3600 / 24; 2929 hours = (total / 3600) % 24; 2930 mins = (total / 60) % 60; 2931 secs = total % 60; 2932 2933 if (days) { 2934 first = 0; 2935 n = snprintf(p, end - p, "%dd", days); 2936 if (n < 0 || n >= end - p) 2937 return(result); 2938 p += n; 2939 } 2940 if (!first || hours) { 2941 first = 0; 2942 n = snprintf(p, end - p, "%dh", hours); 2943 if (n < 0 || n >= end - p) 2944 return(result); 2945 p += n; 2946 } 2947 if (!first || mins) { 2948 first = 0; 2949 n = snprintf(p, end - p, "%dm", mins); 2950 if (n < 0 || n >= end - p) 2951 return(result); 2952 p += n; 2953 } 2954 snprintf(p, end - p, "%ds", secs); 2955 } else 2956 snprintf(p, end - p, "%lu", (u_long)total); 2957 2958 return(result); 2959 } 2960 #endif 2961
Indexes created Mon Sep 29 21:09:56 GMT 2025