ifconfig.c revision 1.126
1 /* $NetBSD: ifconfig.c,v 1.126 2002/06/14 01:07:01 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 1.126 2002/06/14 01:07:01 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 struct in_aliasreq in_addreq; 129 #ifdef INET6 130 struct in6_ifreq ifr6; 131 struct in6_ifreq in6_ridreq; 132 struct in6_aliasreq in6_addreq; 133 #endif 134 struct iso_ifreq iso_ridreq; 135 struct iso_aliasreq iso_addreq; 136 struct sockaddr_in netmask; 137 struct netrange at_nr; /* AppleTalk net range */ 138 139 char name[30]; 140 int flags, setaddr, setipdst, doalias; 141 u_long metric, mtu; 142 int clearaddr, s; 143 int newaddr = -1; 144 int conflicting = 0; 145 int nsellength = 1; 146 int af; 147 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag; 148 #ifdef INET6 149 int Lflag; 150 #endif 151 int reset_if_flags; 152 int explicit_prefix = 0; 153 u_int vlan_tag = (u_int)-1; 154 155 struct ifcapreq g_ifcr; 156 int g_ifcr_updated; 157 158 void notealias __P((const char *, int)); 159 void notrailers __P((const char *, int)); 160 void setifaddr __P((const char *, int)); 161 void setifdstaddr __P((const char *, int)); 162 void setifflags __P((const char *, int)); 163 void setifcaps __P((const char *, int)); 164 void setifbroadaddr __P((const char *, int)); 165 void setifipdst __P((const char *, int)); 166 void setifmetric __P((const char *, int)); 167 void setifmtu __P((const char *, int)); 168 void setifnwid __P((const char *, int)); 169 void setifnwkey __P((const char *, int)); 170 void setifpowersave __P((const char *, int)); 171 void setifpowersavesleep __P((const char *, int)); 172 void setifnetmask __P((const char *, int)); 173 void setifprefixlen __P((const char *, int)); 174 void setnsellength __P((const char *, int)); 175 void setsnpaoffset __P((const char *, int)); 176 void setatrange __P((const char *, int)); 177 void setatphase __P((const char *, int)); 178 void settunnel __P((const char *, const char *)); 179 void deletetunnel __P((const char *, int)); 180 #ifdef INET6 181 void setia6flags __P((const char *, int)); 182 void setia6pltime __P((const char *, int)); 183 void setia6vltime __P((const char *, int)); 184 void setia6lifetime __P((const char *, const char *)); 185 #endif 186 void checkatrange __P ((struct sockaddr_at *)); 187 void setmedia __P((const char *, int)); 188 void setmediaopt __P((const char *, int)); 189 void unsetmediaopt __P((const char *, int)); 190 void setmediainst __P((const char *, int)); 191 void clone_create __P((const char *, int)); 192 void clone_destroy __P((const char *, int)); 193 void fixnsel __P((struct sockaddr_iso *)); 194 void setvlan __P((const char *, int)); 195 void setvlanif __P((const char *, int)); 196 void unsetvlanif __P((const char *, int)); 197 int main __P((int, char *[])); 198 199 /* 200 * Media stuff. Whenever a media command is first performed, the 201 * currently select media is grabbed for this interface. If `media' 202 * is given, the current media word is modifed. `mediaopt' commands 203 * only modify the set and clear words. They then operate on the 204 * current media word later. 205 */ 206 int media_current; 207 int mediaopt_set; 208 int mediaopt_clear; 209 210 int actions; /* Actions performed */ 211 212 #define A_MEDIA 0x0001 /* media command */ 213 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 214 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 215 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 216 #define A_MEDIAINST 0x0008 /* instance or inst command */ 217 218 #define NEXTARG 0xffffff 219 #define NEXTARG2 0xfffffe 220 221 const struct cmd { 222 const char *c_name; 223 int c_parameter; /* NEXTARG means next argv */ 224 int c_action; /* defered action */ 225 void (*c_func) __P((const char *, int)); 226 void (*c_func2) __P((const char *, const char *)); 227 } cmds[] = { 228 { "up", IFF_UP, 0, setifflags } , 229 { "down", -IFF_UP, 0, setifflags }, 230 { "trailers", -1, 0, notrailers }, 231 { "-trailers", 1, 0, notrailers }, 232 { "arp", -IFF_NOARP, 0, setifflags }, 233 { "-arp", IFF_NOARP, 0, setifflags }, 234 { "debug", IFF_DEBUG, 0, setifflags }, 235 { "-debug", -IFF_DEBUG, 0, setifflags }, 236 { "alias", IFF_UP, 0, notealias }, 237 { "-alias", -IFF_UP, 0, notealias }, 238 { "delete", -IFF_UP, 0, notealias }, 239 #ifdef notdef 240 #define EN_SWABIPS 0x1000 241 { "swabips", EN_SWABIPS, 0, setifflags }, 242 { "-swabips", -EN_SWABIPS, 0, setifflags }, 243 #endif 244 { "netmask", NEXTARG, 0, setifnetmask }, 245 { "metric", NEXTARG, 0, setifmetric }, 246 { "mtu", NEXTARG, 0, setifmtu }, 247 { "nwid", NEXTARG, 0, setifnwid }, 248 { "nwkey", NEXTARG, 0, setifnwkey }, 249 { "-nwkey", -1, 0, setifnwkey }, 250 { "powersave", 1, 0, setifpowersave }, 251 { "-powersave", 0, 0, setifpowersave }, 252 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 253 { "broadcast", NEXTARG, 0, setifbroadaddr }, 254 { "ipdst", NEXTARG, 0, setifipdst }, 255 { "prefixlen", NEXTARG, 0, setifprefixlen}, 256 #ifdef INET6 257 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 258 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 259 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 260 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 261 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 262 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 263 { "pltime", NEXTARG, 0, setia6pltime }, 264 { "vltime", NEXTARG, 0, setia6vltime }, 265 #endif /*INET6*/ 266 #ifndef INET_ONLY 267 { "range", NEXTARG, 0, setatrange }, 268 { "phase", NEXTARG, 0, setatphase }, 269 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 270 { "nsellength", NEXTARG, 0, setnsellength }, 271 #endif /* INET_ONLY */ 272 { "tunnel", NEXTARG2, 0, NULL, 273 settunnel } , 274 { "deletetunnel", 0, 0, deletetunnel }, 275 { "vlan", NEXTARG, 0, setvlan } , 276 { "vlanif", NEXTARG, 0, setvlanif } , 277 { "-vlanif", 0, 0, unsetvlanif } , 278 #if 0 279 /* XXX `create' special-cased below */ 280 { "create", 0, 0, clone_create } , 281 #endif 282 { "destroy", 0, 0, clone_destroy } , 283 { "link0", IFF_LINK0, 0, setifflags } , 284 { "-link0", -IFF_LINK0, 0, setifflags } , 285 { "link1", IFF_LINK1, 0, setifflags } , 286 { "-link1", -IFF_LINK1, 0, setifflags } , 287 { "link2", IFF_LINK2, 0, setifflags } , 288 { "-link2", -IFF_LINK2, 0, setifflags } , 289 { "media", NEXTARG, A_MEDIA, setmedia }, 290 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 291 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 292 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 293 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 294 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 295 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 296 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 297 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 298 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 299 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 300 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 301 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 302 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 303 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 304 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 305 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 306 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 307 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 308 { 0, 0, 0, setifaddr }, 309 { 0, 0, 0, setifdstaddr }, 310 }; 311 312 void adjust_nsellength __P((void)); 313 int getinfo __P((struct ifreq *)); 314 int carrier __P((void)); 315 void getsock __P((int)); 316 void printall __P((const char *)); 317 void list_cloners __P((void)); 318 void printb __P((const char *, unsigned short, const char *)); 319 int prefix __P((void *, int)); 320 void status __P((const struct sockaddr_dl *)); 321 void usage __P((void)); 322 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 323 void print_string __P((const u_int8_t *, int)); 324 char *sec2str __P((time_t)); 325 326 const char *get_media_type_string __P((int)); 327 const char *get_media_subtype_string __P((int)); 328 int get_media_subtype __P((int, const char *)); 329 int get_media_options __P((int, const char *)); 330 int lookup_media_word __P((struct ifmedia_description *, int, 331 const char *)); 332 void print_media_word __P((int, int, int)); 333 void process_media_commands __P((void)); 334 void init_current_media __P((void)); 335 336 /* 337 * XNS support liberally adapted from code written at the University of 338 * Maryland principally by James O'Toole and Chris Torek. 339 */ 340 void in_alias __P((struct ifreq *)); 341 void in_status __P((int)); 342 void in_getaddr __P((const char *, int)); 343 void in_getprefix __P((const char *, int)); 344 #ifdef INET6 345 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 346 void in6_alias __P((struct in6_ifreq *)); 347 void in6_status __P((int)); 348 void in6_getaddr __P((const char *, int)); 349 void in6_getprefix __P((const char *, int)); 350 #endif 351 void at_status __P((int)); 352 void at_getaddr __P((const char *, int)); 353 void xns_status __P((int)); 354 void xns_getaddr __P((const char *, int)); 355 void iso_status __P((int)); 356 void iso_getaddr __P((const char *, int)); 357 358 void ieee80211_status __P((void)); 359 void tunnel_status __P((void)); 360 void vlan_status __P((void)); 361 362 /* Known address families */ 363 struct afswtch { 364 const char *af_name; 365 short af_af; 366 void (*af_status) __P((int)); 367 void (*af_getaddr) __P((const char *, int)); 368 void (*af_getprefix) __P((const char *, int)); 369 u_long af_difaddr; 370 u_long af_aifaddr; 371 u_long af_gifaddr; 372 caddr_t af_ridreq; 373 caddr_t af_addreq; 374 } afs[] = { 375 #define C(x) ((caddr_t) &x) 376 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 377 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 378 #ifdef INET6 379 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 380 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 381 /* 382 * Deleting the first address before setting new one is 383 * not prefered way in this protocol. 384 */ 385 0, 386 C(in6_ridreq), C(in6_addreq) }, 387 #endif 388 #ifndef INET_ONLY /* small version, for boot media */ 389 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 390 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 391 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 392 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 393 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 394 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 395 C(iso_ridreq), C(iso_addreq) }, 396 #endif /* INET_ONLY */ 397 { 0, 0, 0, 0 } 398 }; 399 400 struct afswtch *afp; /*the address family being set or asked about*/ 401 402 struct afswtch *lookup_af __P((const char *)); 403 404 int 405 main(argc, argv) 406 int argc; 407 char *argv[]; 408 { 409 struct ifreq ifreq; 410 int ch; 411 412 /* Parse command-line options */ 413 aflag = mflag = vflag = 0; 414 while ((ch = getopt(argc, argv, "AabCdlmsuv" 415 #ifdef INET6 416 "L" 417 #endif 418 )) != -1) { 419 switch (ch) { 420 case 'A': 421 warnx("-A is deprecated"); 422 break; 423 424 case 'a': 425 aflag = 1; 426 break; 427 428 case 'b': 429 bflag = 1; 430 break; 431 432 433 case 'C': 434 Cflag = 1; 435 break; 436 437 case 'd': 438 dflag = 1; 439 break; 440 441 #ifdef INET6 442 case 'L': 443 Lflag = 1; 444 break; 445 #endif 446 447 case 'l': 448 lflag = 1; 449 break; 450 451 case 'm': 452 mflag = 1; 453 break; 454 455 case 's': 456 sflag = 1; 457 break; 458 459 case 'u': 460 uflag = 1; 461 break; 462 463 case 'v': 464 vflag = 1; 465 break; 466 467 468 default: 469 usage(); 470 /* NOTREACHED */ 471 } 472 } 473 argc -= optind; 474 argv += optind; 475 476 /* 477 * -l means "list all interfaces", and is mutally exclusive with 478 * all other flags/commands. 479 * 480 * -C means "list all names of cloners", and it mutually exclusive 481 * with all other flags/commands. 482 * 483 * -a means "print status of all interfaces". 484 */ 485 if ((lflag || Cflag) && (aflag || mflag || vflag || argc)) 486 usage(); 487 #ifdef INET6 488 if ((lflag || Cflag) && Lflag) 489 usage(); 490 #endif 491 if (lflag && Cflag) 492 usage(); 493 if (Cflag) { 494 if (argc) 495 usage(); 496 list_cloners(); 497 exit(0); 498 } 499 if (aflag || lflag) { 500 if (argc > 1) 501 usage(); 502 else if (argc == 1) { 503 afp = lookup_af(argv[0]); 504 if (afp == NULL) 505 usage(); 506 } 507 if (afp) 508 af = ifr.ifr_addr.sa_family = afp->af_af; 509 else 510 af = ifr.ifr_addr.sa_family = afs[0].af_af; 511 printall(NULL); 512 exit(0); 513 } 514 515 /* Make sure there's an interface name. */ 516 if (argc < 1) 517 usage(); 518 (void) strncpy(name, argv[0], sizeof(name)); 519 argc--; argv++; 520 521 /* 522 * NOTE: We must special-case the `create' command right 523 * here as we would otherwise fail in getinfo(). 524 */ 525 if (argc > 0 && strcmp(argv[0], "create") == 0) { 526 clone_create(argv[0], 0); 527 argc--, argv++; 528 if (argc == 0) 529 exit(0); 530 } 531 532 /* Check for address family. */ 533 afp = NULL; 534 if (argc > 0) { 535 afp = lookup_af(argv[0]); 536 if (afp != NULL) { 537 argv++; 538 argc--; 539 } 540 } 541 542 /* Initialize af, just for use in getinfo(). */ 543 if (afp == NULL) 544 af = afs->af_af; 545 else 546 af = afp->af_af; 547 548 /* Get information about the interface. */ 549 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 550 if (getinfo(&ifr) < 0) 551 exit(1); 552 553 if (sflag) { 554 if (argc != 0) 555 usage(); 556 else 557 exit(carrier()); 558 } 559 560 /* No more arguments means interface status. */ 561 if (argc == 0) { 562 printall(name); 563 exit(0); 564 } 565 566 /* The following operations assume inet family as the default. */ 567 if (afp == NULL) 568 afp = afs; 569 af = ifr.ifr_addr.sa_family = afp->af_af; 570 571 #ifdef INET6 572 /* initialization */ 573 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 574 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 575 #endif 576 577 /* Process commands. */ 578 while (argc > 0) { 579 const struct cmd *p; 580 581 for (p = cmds; p->c_name; p++) 582 if (strcmp(argv[0], p->c_name) == 0) 583 break; 584 if (p->c_name == 0 && setaddr) { 585 if ((flags & IFF_POINTOPOINT) == 0) { 586 errx(1, "can't set destination address %s", 587 "on non-point-to-point link"); 588 } 589 p++; /* got src, do dst */ 590 } 591 if (p->c_func != NULL || p->c_func2 != NULL) { 592 if (p->c_parameter == NEXTARG) { 593 if (argc < 2) 594 errx(1, "'%s' requires argument", 595 p->c_name); 596 (*p->c_func)(argv[1], 0); 597 argc--, argv++; 598 } else if (p->c_parameter == NEXTARG2) { 599 if (argc < 3) 600 errx(1, "'%s' requires 2 arguments", 601 p->c_name); 602 (*p->c_func2)(argv[1], argv[2]); 603 argc -= 2, argv += 2; 604 } else 605 (*p->c_func)(argv[0], p->c_parameter); 606 actions |= p->c_action; 607 } 608 argc--, argv++; 609 } 610 611 /* 612 * See if multiple alias, -alias, or delete commands were 613 * specified. More than one constitutes an invalid command line 614 */ 615 616 if (conflicting > 1) 617 err(EXIT_FAILURE, 618 "Only one use of alias, -alias or delete is valid."); 619 620 /* Process any media commands that may have been issued. */ 621 process_media_commands(); 622 623 if (af == AF_INET6 && explicit_prefix == 0) { 624 /* 625 * Aggregatable address architecture defines all prefixes 626 * are 64. So, it is convenient to set prefixlen to 64 if 627 * it is not specified. 628 */ 629 setifprefixlen("64", 0); 630 /* in6_getprefix("64", MASK) if MASK is available here... */ 631 } 632 633 #ifndef INET_ONLY 634 if (af == AF_ISO) 635 adjust_nsellength(); 636 637 if (af == AF_APPLETALK) 638 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 639 640 if (setipdst && af==AF_NS) { 641 struct nsip_req rq; 642 int size = sizeof(rq); 643 644 rq.rq_ns = addreq.ifra_addr; 645 rq.rq_ip = addreq.ifra_dstaddr; 646 647 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 648 warn("encapsulation routing"); 649 } 650 651 #endif /* INET_ONLY */ 652 653 if (clearaddr) { 654 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 655 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 656 err(EXIT_FAILURE, "SIOCDIFADDR"); 657 } 658 if (newaddr > 0) { 659 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 660 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 661 warn("SIOCAIFADDR"); 662 } 663 664 if (g_ifcr_updated) { 665 (void) strncpy(g_ifcr.ifcr_name, name, 666 sizeof(g_ifcr.ifcr_name)); 667 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 668 err(EXIT_FAILURE, "SIOCSIFCAP"); 669 } 670 671 if (reset_if_flags) { 672 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 673 ifreq.ifr_flags = flags; 674 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 675 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 676 } 677 exit(0); 678 } 679 680 struct afswtch * 681 lookup_af(cp) 682 const char *cp; 683 { 684 struct afswtch *a; 685 686 for (a = afs; a->af_name != NULL; a++) 687 if (strcmp(a->af_name, cp) == 0) 688 return (a); 689 return (NULL); 690 } 691 692 void 693 getsock(naf) 694 int naf; 695 { 696 static int oaf = -1; 697 698 if (oaf == naf) 699 return; 700 if (oaf != -1) 701 close(s); 702 s = socket(naf, SOCK_DGRAM, 0); 703 if (s < 0) 704 oaf = -1; 705 else 706 oaf = naf; 707 } 708 709 int 710 getinfo(giifr) 711 struct ifreq *giifr; 712 { 713 714 getsock(af); 715 if (s < 0) 716 err(EXIT_FAILURE, "socket"); 717 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 718 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 719 return (-1); 720 } 721 flags = giifr->ifr_flags; 722 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 723 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 724 metric = 0; 725 } else 726 metric = giifr->ifr_metric; 727 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 728 mtu = 0; 729 else 730 mtu = giifr->ifr_mtu; 731 732 memset(&g_ifcr, 0, sizeof(g_ifcr)); 733 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 734 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 735 736 return (0); 737 } 738 739 void 740 printall(ifname) 741 const char *ifname; 742 { 743 struct ifaddrs *ifap, *ifa; 744 struct ifreq paifr; 745 const struct sockaddr_dl *sdl = NULL; 746 int idx; 747 char *p; 748 749 if (getifaddrs(&ifap) != 0) 750 err(EXIT_FAILURE, "getifaddrs"); 751 p = NULL; 752 idx = 0; 753 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 754 memset(&paifr, 0, sizeof(paifr)); 755 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 756 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 757 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 758 ifa->ifa_addr->sa_len); 759 } 760 761 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 762 continue; 763 if (ifa->ifa_addr->sa_family == AF_LINK) 764 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 765 if (p && strcmp(p, ifa->ifa_name) == 0) 766 continue; 767 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 768 name[sizeof(name) - 1] = '\0'; 769 p = ifa->ifa_name; 770 771 if (getinfo(&paifr) < 0) 772 continue; 773 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 774 continue; 775 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 776 continue; 777 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 778 continue; 779 780 if (sflag && carrier()) 781 continue; 782 idx++; 783 /* 784 * Are we just listing the interfaces? 785 */ 786 if (lflag) { 787 if (idx > 1) 788 putchar(' '); 789 fputs(name, stdout); 790 continue; 791 } 792 793 status(sdl); 794 sdl = NULL; 795 } 796 if (lflag) 797 putchar('\n'); 798 freeifaddrs(ifap); 799 } 800 801 void 802 list_cloners(void) 803 { 804 struct if_clonereq ifcr; 805 char *cp, *buf; 806 int idx; 807 808 memset(&ifcr, 0, sizeof(ifcr)); 809 810 getsock(AF_INET); 811 812 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 813 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 814 815 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 816 if (buf == NULL) 817 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 818 819 ifcr.ifcr_count = ifcr.ifcr_total; 820 ifcr.ifcr_buffer = buf; 821 822 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 823 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 824 825 /* 826 * In case some disappeared in the mean time, clamp it down. 827 */ 828 if (ifcr.ifcr_count > ifcr.ifcr_total) 829 ifcr.ifcr_count = ifcr.ifcr_total; 830 831 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 832 if (idx > 0) 833 putchar(' '); 834 printf("%s", cp); 835 } 836 837 putchar('\n'); 838 free(buf); 839 return; 840 } 841 842 /*ARGSUSED*/ 843 void 844 clone_create(addr, param) 845 const char *addr; 846 int param; 847 { 848 849 /* We're called early... */ 850 getsock(AF_INET); 851 852 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 853 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 854 err(EXIT_FAILURE, "SIOCIFCREATE"); 855 } 856 857 /*ARGSUSED*/ 858 void 859 clone_destroy(addr, param) 860 const char *addr; 861 int param; 862 { 863 864 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 865 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 866 err(EXIT_FAILURE, "SIOCIFDESTROY"); 867 } 868 869 #define RIDADDR 0 870 #define ADDR 1 871 #define MASK 2 872 #define DSTADDR 3 873 874 /*ARGSUSED*/ 875 void 876 setifaddr(addr, param) 877 const char *addr; 878 int param; 879 { 880 struct ifreq *siifr; /* XXX */ 881 882 /* 883 * Delay the ioctl to set the interface addr until flags are all set. 884 * The address interpretation may depend on the flags, 885 * and the flags may change when the address is set. 886 */ 887 setaddr++; 888 if (newaddr == -1) 889 newaddr = 1; 890 if (doalias == 0 && afp->af_gifaddr != 0) { 891 siifr = (struct ifreq *)afp->af_ridreq; 892 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 893 siifr->ifr_addr.sa_family = afp->af_af; 894 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 895 clearaddr = 1; 896 else if (errno == EADDRNOTAVAIL) 897 /* No address was assigned yet. */ 898 ; 899 else 900 err(EXIT_FAILURE, "SIOCGIFADDR"); 901 } 902 903 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 904 } 905 906 void 907 settunnel(src, dst) 908 const char *src, *dst; 909 { 910 struct addrinfo hints, *srcres, *dstres; 911 int ecode; 912 struct if_laddrreq req; 913 914 memset(&hints, 0, sizeof(hints)); 915 hints.ai_family = afp->af_af; 916 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 917 918 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 919 errx(1, "error in parsing address string: %s", 920 gai_strerror(ecode)); 921 922 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 923 errx(1, "error in parsing address string: %s", 924 gai_strerror(ecode)); 925 926 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 927 errx(1, 928 "source and destination address families do not match"); 929 930 if (srcres->ai_addrlen > sizeof(req.addr) || 931 dstres->ai_addrlen > sizeof(req.dstaddr)) 932 errx(1, "invalid sockaddr"); 933 934 memset(&req, 0, sizeof(req)); 935 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 936 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 937 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 938 939 #ifdef INET6 940 if (req.addr.ss_family == AF_INET6) { 941 struct sockaddr_in6 *s6, *d; 942 943 s6 = (struct sockaddr_in6 *)&req.addr; 944 d = (struct sockaddr_in6 *)&req.dstaddr; 945 if (s6->sin6_scope_id != d->sin6_scope_id) { 946 errx(1, "scope mismatch"); 947 /* NOTREACHED */ 948 } 949 #ifdef __KAME__ 950 /* embed scopeid */ 951 if (s6->sin6_scope_id && 952 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 953 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 954 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 955 htons(s6->sin6_scope_id); 956 } 957 if (d->sin6_scope_id && 958 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 959 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 960 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 961 htons(d->sin6_scope_id); 962 } 963 #endif 964 } 965 #endif 966 967 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 968 warn("SIOCSLIFPHYADDR"); 969 970 freeaddrinfo(srcres); 971 freeaddrinfo(dstres); 972 } 973 974 /* ARGSUSED */ 975 void 976 deletetunnel(vname, param) 977 const char *vname; 978 int param; 979 { 980 981 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 982 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 983 } 984 985 void setvlan(val, d) 986 const char *val; 987 int d; 988 { 989 struct vlanreq vlr; 990 991 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 992 !isdigit(ifr.ifr_name[4])) 993 errx(EXIT_FAILURE, 994 "``vlan'' valid only with vlan(4) interfaces"); 995 996 vlan_tag = atoi(val); 997 998 memset(&vlr, 0, sizeof(vlr)); 999 ifr.ifr_data = (caddr_t)&vlr; 1000 1001 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1002 err(EXIT_FAILURE, "SIOCGETVLAN"); 1003 1004 vlr.vlr_tag = vlan_tag; 1005 1006 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1007 err(EXIT_FAILURE, "SIOCSETVLAN"); 1008 } 1009 1010 void setvlanif(val, d) 1011 const char *val; 1012 int d; 1013 { 1014 struct vlanreq vlr; 1015 1016 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1017 !isdigit(ifr.ifr_name[4])) 1018 errx(EXIT_FAILURE, 1019 "``vlanif'' valid only with vlan(4) interfaces"); 1020 1021 if (vlan_tag == (u_int)-1) 1022 errx(EXIT_FAILURE, 1023 "must specify both ``vlan'' and ``vlanif''"); 1024 1025 memset(&vlr, 0, sizeof(vlr)); 1026 ifr.ifr_data = (caddr_t)&vlr; 1027 1028 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1029 err(EXIT_FAILURE, "SIOCGETVLAN"); 1030 1031 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1032 vlr.vlr_tag = vlan_tag; 1033 1034 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1035 err(EXIT_FAILURE, "SIOCSETVLAN"); 1036 } 1037 1038 void unsetvlanif(val, d) 1039 const char *val; 1040 int d; 1041 { 1042 struct vlanreq vlr; 1043 1044 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1045 !isdigit(ifr.ifr_name[4])) 1046 errx(EXIT_FAILURE, 1047 "``vlanif'' valid only with vlan(4) interfaces"); 1048 1049 memset(&vlr, 0, sizeof(vlr)); 1050 ifr.ifr_data = (caddr_t)&vlr; 1051 1052 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1053 err(EXIT_FAILURE, "SIOCGETVLAN"); 1054 1055 vlr.vlr_parent[0] = '\0'; 1056 vlr.vlr_tag = 0; 1057 1058 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1059 err(EXIT_FAILURE, "SIOCSETVLAN"); 1060 } 1061 1062 void 1063 setifnetmask(addr, d) 1064 const char *addr; 1065 int d; 1066 { 1067 (*afp->af_getaddr)(addr, MASK); 1068 } 1069 1070 void 1071 setifbroadaddr(addr, d) 1072 const char *addr; 1073 int d; 1074 { 1075 (*afp->af_getaddr)(addr, DSTADDR); 1076 } 1077 1078 void 1079 setifipdst(addr, d) 1080 const char *addr; 1081 int d; 1082 { 1083 in_getaddr(addr, DSTADDR); 1084 setipdst++; 1085 clearaddr = 0; 1086 newaddr = 0; 1087 } 1088 1089 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1090 /*ARGSUSED*/ 1091 void 1092 notealias(addr, param) 1093 const char *addr; 1094 int param; 1095 { 1096 if (setaddr && doalias == 0 && param < 0) 1097 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1098 rqtosa(af_addreq)->sa_len); 1099 doalias = param; 1100 if (param < 0) { 1101 clearaddr = 1; 1102 newaddr = 0; 1103 conflicting++; 1104 } else { 1105 clearaddr = 0; 1106 conflicting++; 1107 } 1108 } 1109 1110 /*ARGSUSED*/ 1111 void 1112 notrailers(vname, value) 1113 const char *vname; 1114 int value; 1115 { 1116 puts("Note: trailers are no longer sent, but always received"); 1117 } 1118 1119 /*ARGSUSED*/ 1120 void 1121 setifdstaddr(addr, param) 1122 const char *addr; 1123 int param; 1124 { 1125 (*afp->af_getaddr)(addr, DSTADDR); 1126 } 1127 1128 void 1129 setifflags(vname, value) 1130 const char *vname; 1131 int value; 1132 { 1133 struct ifreq ifreq; 1134 1135 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1136 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1137 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1138 flags = ifreq.ifr_flags; 1139 1140 if (value < 0) { 1141 value = -value; 1142 flags &= ~value; 1143 } else 1144 flags |= value; 1145 ifreq.ifr_flags = flags; 1146 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1147 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1148 1149 reset_if_flags = 1; 1150 } 1151 1152 void 1153 setifcaps(vname, value) 1154 const char *vname; 1155 int value; 1156 { 1157 1158 if (value < 0) { 1159 value = -value; 1160 g_ifcr.ifcr_capenable &= ~value; 1161 } else 1162 g_ifcr.ifcr_capenable |= value; 1163 1164 g_ifcr_updated = 1; 1165 } 1166 1167 #ifdef INET6 1168 void 1169 setia6flags(vname, value) 1170 const char *vname; 1171 int value; 1172 { 1173 1174 if (value < 0) { 1175 value = -value; 1176 in6_addreq.ifra_flags &= ~value; 1177 } else 1178 in6_addreq.ifra_flags |= value; 1179 } 1180 1181 void 1182 setia6pltime(val, d) 1183 const char *val; 1184 int d; 1185 { 1186 1187 setia6lifetime("pltime", val); 1188 } 1189 1190 void 1191 setia6vltime(val, d) 1192 const char *val; 1193 int d; 1194 { 1195 1196 setia6lifetime("vltime", val); 1197 } 1198 1199 void 1200 setia6lifetime(cmd, val) 1201 const char *cmd; 1202 const char *val; 1203 { 1204 time_t newval, t; 1205 char *ep; 1206 1207 t = time(NULL); 1208 newval = (time_t)strtoul(val, &ep, 0); 1209 if (val == ep) 1210 errx(1, "invalid %s", cmd); 1211 if (afp->af_af != AF_INET6) 1212 errx(1, "%s not allowed for the AF", cmd); 1213 if (strcmp(cmd, "vltime") == 0) { 1214 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1215 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1216 } else if (strcmp(cmd, "pltime") == 0) { 1217 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1218 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1219 } 1220 } 1221 #endif 1222 1223 void 1224 setifmetric(val, d) 1225 const char *val; 1226 int d; 1227 { 1228 char *ep = NULL; 1229 1230 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1231 ifr.ifr_metric = strtoul(val, &ep, 10); 1232 if (!ep || *ep) 1233 errx(1, "%s: invalid metric", val); 1234 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1235 warn("SIOCSIFMETRIC"); 1236 } 1237 1238 void 1239 setifmtu(val, d) 1240 const char *val; 1241 int d; 1242 { 1243 char *ep = NULL; 1244 1245 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1246 ifr.ifr_mtu = strtoul(val, &ep, 10); 1247 if (!ep || *ep) 1248 errx(1, "%s: invalid mtu", val); 1249 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1250 warn("SIOCSIFMTU"); 1251 } 1252 1253 const char * 1254 get_string(val, sep, buf, lenp) 1255 const char *val, *sep; 1256 u_int8_t *buf; 1257 int *lenp; 1258 { 1259 int len; 1260 int hexstr; 1261 u_int8_t *p; 1262 1263 len = *lenp; 1264 p = buf; 1265 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1266 if (hexstr) 1267 val += 2; 1268 for (;;) { 1269 if (*val == '\0') 1270 break; 1271 if (sep != NULL && strchr(sep, *val) != NULL) { 1272 val++; 1273 break; 1274 } 1275 if (hexstr) { 1276 if (!isxdigit((u_char)val[0]) || 1277 !isxdigit((u_char)val[1])) { 1278 warnx("bad hexadecimal digits"); 1279 return NULL; 1280 } 1281 } 1282 if (p > buf + len) { 1283 if (hexstr) 1284 warnx("hexadecimal digits too long"); 1285 else 1286 warnx("strings too long"); 1287 return NULL; 1288 } 1289 if (hexstr) { 1290 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1291 *p++ = (tohex((u_char)val[0]) << 4) | 1292 tohex((u_char)val[1]); 1293 #undef tohex 1294 val += 2; 1295 } else 1296 *p++ = *val++; 1297 } 1298 len = p - buf; 1299 if (len < *lenp) 1300 memset(p, 0, *lenp - len); 1301 *lenp = len; 1302 return val; 1303 } 1304 1305 void 1306 print_string(buf, len) 1307 const u_int8_t *buf; 1308 int len; 1309 { 1310 int i; 1311 int hasspc; 1312 1313 i = 0; 1314 hasspc = 0; 1315 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1316 for (; i < len; i++) { 1317 if (!isprint(buf[i])) 1318 break; 1319 if (isspace(buf[i])) 1320 hasspc++; 1321 } 1322 } 1323 if (i == len) { 1324 if (hasspc || len == 0) 1325 printf("\"%.*s\"", len, buf); 1326 else 1327 printf("%.*s", len, buf); 1328 } else { 1329 printf("0x"); 1330 for (i = 0; i < len; i++) 1331 printf("%02x", buf[i]); 1332 } 1333 } 1334 1335 void 1336 setifnwid(val, d) 1337 const char *val; 1338 int d; 1339 { 1340 struct ieee80211_nwid nwid; 1341 int len; 1342 1343 len = sizeof(nwid.i_nwid); 1344 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1345 return; 1346 nwid.i_len = len; 1347 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1348 ifr.ifr_data = (caddr_t)&nwid; 1349 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1350 warn("SIOCS80211NWID"); 1351 } 1352 1353 void 1354 setifnwkey(val, d) 1355 const char *val; 1356 int d; 1357 { 1358 struct ieee80211_nwkey nwkey; 1359 int i; 1360 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1361 1362 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1363 nwkey.i_defkid = 1; 1364 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1365 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1366 nwkey.i_key[i].i_keydat = keybuf[i]; 1367 } 1368 if (d != 0) { 1369 /* disable WEP encryption */ 1370 nwkey.i_wepon = 0; 1371 i = 0; 1372 } else if (strcasecmp("persist", val) == 0) { 1373 /* use all values from persistent memory */ 1374 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1375 nwkey.i_defkid = 0; 1376 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1377 nwkey.i_key[i].i_keylen = -1; 1378 } else if (strncasecmp("persist:", val, 8) == 0) { 1379 val += 8; 1380 /* program keys in persistent memory */ 1381 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1382 goto set_nwkey; 1383 } else { 1384 set_nwkey: 1385 if (isdigit(val[0]) && val[1] == ':') { 1386 /* specifying a full set of four keys */ 1387 nwkey.i_defkid = val[0] - '0'; 1388 val += 2; 1389 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1390 val = get_string(val, ",", keybuf[i], 1391 &nwkey.i_key[i].i_keylen); 1392 if (val == NULL) 1393 return; 1394 } 1395 if (*val != '\0') { 1396 warnx("SIOCS80211NWKEY: too many keys."); 1397 return; 1398 } 1399 } else { 1400 val = get_string(val, NULL, keybuf[0], 1401 &nwkey.i_key[0].i_keylen); 1402 if (val == NULL) 1403 return; 1404 i = 1; 1405 } 1406 } 1407 for (; i < IEEE80211_WEP_NKID; i++) 1408 nwkey.i_key[i].i_keylen = 0; 1409 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1410 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1411 warn("SIOCS80211NWKEY"); 1412 } 1413 1414 void 1415 setifpowersave(val, d) 1416 const char *val; 1417 int d; 1418 { 1419 struct ieee80211_power power; 1420 1421 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1422 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1423 warn("SIOCG80211POWER"); 1424 return; 1425 } 1426 1427 power.i_enabled = d; 1428 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1429 warn("SIOCS80211POWER"); 1430 } 1431 1432 void 1433 setifpowersavesleep(val, d) 1434 const char *val; 1435 int d; 1436 { 1437 struct ieee80211_power power; 1438 1439 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1440 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1441 warn("SIOCG80211POWER"); 1442 return; 1443 } 1444 1445 power.i_maxsleep = atoi(val); 1446 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1447 warn("SIOCS80211POWER"); 1448 } 1449 1450 void 1451 ieee80211_status() 1452 { 1453 int i, nwkey_verbose; 1454 struct ieee80211_nwid nwid; 1455 struct ieee80211_nwkey nwkey; 1456 struct ieee80211_power power; 1457 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1458 1459 memset(&ifr, 0, sizeof(ifr)); 1460 ifr.ifr_data = (caddr_t)&nwid; 1461 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1462 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1463 return; 1464 if (nwid.i_len > IEEE80211_NWID_LEN) { 1465 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1466 return; 1467 } 1468 printf("\tnwid "); 1469 print_string(nwid.i_nwid, nwid.i_len); 1470 memset(&nwkey, 0, sizeof(nwkey)); 1471 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1472 /* show nwkey only when WEP is enabled */ 1473 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1474 nwkey.i_wepon == 0) { 1475 printf("\n"); 1476 goto skip_wep; 1477 } 1478 1479 printf(" nwkey "); 1480 /* try to retrieve WEP keys */ 1481 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1482 nwkey.i_key[i].i_keydat = keybuf[i]; 1483 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1484 } 1485 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1486 printf("*****"); 1487 } else { 1488 nwkey_verbose = 0; 1489 /* check to see non default key or multiple keys defined */ 1490 if (nwkey.i_defkid != 1) { 1491 nwkey_verbose = 1; 1492 } else { 1493 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1494 if (nwkey.i_key[i].i_keylen != 0) { 1495 nwkey_verbose = 1; 1496 break; 1497 } 1498 } 1499 } 1500 /* check extra ambiguity with keywords */ 1501 if (!nwkey_verbose) { 1502 if (nwkey.i_key[0].i_keylen >= 2 && 1503 isdigit(nwkey.i_key[0].i_keydat[0]) && 1504 nwkey.i_key[0].i_keydat[1] == ':') 1505 nwkey_verbose = 1; 1506 else if (nwkey.i_key[0].i_keylen >= 7 && 1507 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1508 == 0) 1509 nwkey_verbose = 1; 1510 } 1511 if (nwkey_verbose) 1512 printf("%d:", nwkey.i_defkid); 1513 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1514 if (i > 0) 1515 printf(","); 1516 if (nwkey.i_key[i].i_keylen < 0) 1517 printf("persist"); 1518 else 1519 print_string(nwkey.i_key[i].i_keydat, 1520 nwkey.i_key[i].i_keylen); 1521 if (!nwkey_verbose) 1522 break; 1523 } 1524 } 1525 printf("\n"); 1526 1527 skip_wep: 1528 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1529 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1530 return; 1531 printf("\tpowersave "); 1532 if (power.i_enabled) 1533 printf("on (%dms sleep)", power.i_maxsleep); 1534 else 1535 printf("off"); 1536 printf("\n"); 1537 } 1538 1539 void 1540 init_current_media() 1541 { 1542 struct ifmediareq ifmr; 1543 1544 /* 1545 * If we have not yet done so, grab the currently-selected 1546 * media. 1547 */ 1548 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1549 (void) memset(&ifmr, 0, sizeof(ifmr)); 1550 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1551 1552 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1553 /* 1554 * If we get E2BIG, the kernel is telling us 1555 * that there are more, so we can ignore it. 1556 */ 1557 if (errno != E2BIG) 1558 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1559 } 1560 1561 media_current = ifmr.ifm_current; 1562 } 1563 1564 /* Sanity. */ 1565 if (IFM_TYPE(media_current) == 0) 1566 errx(1, "%s: no link type?", name); 1567 } 1568 1569 void 1570 process_media_commands() 1571 { 1572 1573 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1574 /* Nothing to do. */ 1575 return; 1576 } 1577 1578 /* 1579 * Media already set up, and commands sanity-checked. Set/clear 1580 * any options, and we're ready to go. 1581 */ 1582 media_current |= mediaopt_set; 1583 media_current &= ~mediaopt_clear; 1584 1585 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1586 ifr.ifr_media = media_current; 1587 1588 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1589 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1590 } 1591 1592 void 1593 setmedia(val, d) 1594 const char *val; 1595 int d; 1596 { 1597 int type, subtype, inst; 1598 1599 init_current_media(); 1600 1601 /* Only one media command may be given. */ 1602 if (actions & A_MEDIA) 1603 errx(1, "only one `media' command may be issued"); 1604 1605 /* Must not come after mediaopt commands */ 1606 if (actions & A_MEDIAOPT) 1607 errx(1, "may not issue `media' after `mediaopt' commands"); 1608 1609 /* 1610 * No need to check if `instance' has been issued; setmediainst() 1611 * craps out if `media' has not been specified. 1612 */ 1613 1614 type = IFM_TYPE(media_current); 1615 inst = IFM_INST(media_current); 1616 1617 /* Look up the subtype. */ 1618 subtype = get_media_subtype(type, val); 1619 1620 /* Build the new current media word. */ 1621 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1622 1623 /* Media will be set after other processing is complete. */ 1624 } 1625 1626 void 1627 setmediaopt(val, d) 1628 const char *val; 1629 int d; 1630 { 1631 1632 init_current_media(); 1633 1634 /* Can only issue `mediaopt' once. */ 1635 if (actions & A_MEDIAOPTSET) 1636 errx(1, "only one `mediaopt' command may be issued"); 1637 1638 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1639 if (actions & A_MEDIAINST) 1640 errx(1, "may not issue `mediaopt' after `instance'"); 1641 1642 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1643 1644 /* Media will be set after other processing is complete. */ 1645 } 1646 1647 void 1648 unsetmediaopt(val, d) 1649 const char *val; 1650 int d; 1651 { 1652 1653 init_current_media(); 1654 1655 /* Can only issue `-mediaopt' once. */ 1656 if (actions & A_MEDIAOPTCLR) 1657 errx(1, "only one `-mediaopt' command may be issued"); 1658 1659 /* May not issue `media' and `-mediaopt'. */ 1660 if (actions & A_MEDIA) 1661 errx(1, "may not issue both `media' and `-mediaopt'"); 1662 1663 /* 1664 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1665 * implicitly checks for A_MEDIAINST. 1666 */ 1667 1668 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1669 1670 /* Media will be set after other processing is complete. */ 1671 } 1672 1673 void 1674 setmediainst(val, d) 1675 const char *val; 1676 int d; 1677 { 1678 int type, subtype, options, inst; 1679 1680 init_current_media(); 1681 1682 /* Can only issue `instance' once. */ 1683 if (actions & A_MEDIAINST) 1684 errx(1, "only one `instance' command may be issued"); 1685 1686 /* Must have already specified `media' */ 1687 if ((actions & A_MEDIA) == 0) 1688 errx(1, "must specify `media' before `instance'"); 1689 1690 type = IFM_TYPE(media_current); 1691 subtype = IFM_SUBTYPE(media_current); 1692 options = IFM_OPTIONS(media_current); 1693 1694 inst = atoi(val); 1695 if (inst < 0 || inst > IFM_INST_MAX) 1696 errx(1, "invalid media instance: %s", val); 1697 1698 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1699 1700 /* Media will be set after other processing is complete. */ 1701 } 1702 1703 struct ifmedia_description ifm_type_descriptions[] = 1704 IFM_TYPE_DESCRIPTIONS; 1705 1706 struct ifmedia_description ifm_subtype_descriptions[] = 1707 IFM_SUBTYPE_DESCRIPTIONS; 1708 1709 struct ifmedia_description ifm_option_descriptions[] = 1710 IFM_OPTION_DESCRIPTIONS; 1711 1712 const char * 1713 get_media_type_string(mword) 1714 int mword; 1715 { 1716 struct ifmedia_description *desc; 1717 1718 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1719 desc++) { 1720 if (IFM_TYPE(mword) == desc->ifmt_word) 1721 return (desc->ifmt_string); 1722 } 1723 return ("<unknown type>"); 1724 } 1725 1726 const char * 1727 get_media_subtype_string(mword) 1728 int mword; 1729 { 1730 struct ifmedia_description *desc; 1731 1732 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1733 desc++) { 1734 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1735 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1736 return (desc->ifmt_string); 1737 } 1738 return ("<unknown subtype>"); 1739 } 1740 1741 int 1742 get_media_subtype(type, val) 1743 int type; 1744 const char *val; 1745 { 1746 int rval; 1747 1748 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1749 if (rval == -1) 1750 errx(1, "unknown %s media subtype: %s", 1751 get_media_type_string(type), val); 1752 1753 return (rval); 1754 } 1755 1756 int 1757 get_media_options(type, val) 1758 int type; 1759 const char *val; 1760 { 1761 char *optlist, *str; 1762 int option, rval = 0; 1763 1764 /* We muck with the string, so copy it. */ 1765 optlist = strdup(val); 1766 if (optlist == NULL) 1767 err(EXIT_FAILURE, "strdup"); 1768 str = optlist; 1769 1770 /* 1771 * Look up the options in the user-provided comma-separated list. 1772 */ 1773 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1774 option = lookup_media_word(ifm_option_descriptions, type, str); 1775 if (option == -1) 1776 errx(1, "unknown %s media option: %s", 1777 get_media_type_string(type), str); 1778 rval |= IFM_OPTIONS(option); 1779 } 1780 1781 free(optlist); 1782 return (rval); 1783 } 1784 1785 int 1786 lookup_media_word(desc, type, val) 1787 struct ifmedia_description *desc; 1788 int type; 1789 const char *val; 1790 { 1791 1792 for (; desc->ifmt_string != NULL; desc++) { 1793 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1794 strcasecmp(desc->ifmt_string, val) == 0) 1795 return (desc->ifmt_word); 1796 } 1797 return (-1); 1798 } 1799 1800 void 1801 print_media_word(ifmw, print_type, as_syntax) 1802 int ifmw, print_type, as_syntax; 1803 { 1804 struct ifmedia_description *desc; 1805 int seen_option = 0; 1806 1807 if (print_type) 1808 printf("%s ", get_media_type_string(ifmw)); 1809 printf("%s%s", as_syntax ? "media " : "", 1810 get_media_subtype_string(ifmw)); 1811 1812 /* Find options. */ 1813 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1814 desc++) { 1815 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1816 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1817 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1818 if (seen_option == 0) 1819 printf(" %s", as_syntax ? "mediaopt " : ""); 1820 printf("%s%s", seen_option ? "," : "", 1821 desc->ifmt_string); 1822 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1823 } 1824 } 1825 if (IFM_INST(ifmw) != 0) 1826 printf(" instance %d", IFM_INST(ifmw)); 1827 } 1828 1829 int carrier() 1830 { 1831 struct ifmediareq ifmr; 1832 1833 (void) memset(&ifmr, 0, sizeof(ifmr)); 1834 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1835 1836 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1837 /* 1838 * Interface doesn't support SIOC{G,S}IFMEDIA; 1839 * assume ok. 1840 */ 1841 return 0; 1842 } 1843 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1844 /* 1845 * Interface doesn't report media-valid status. 1846 * assume ok. 1847 */ 1848 return 0; 1849 } 1850 /* otherwise, return ok for active, not-ok if not active. */ 1851 return !(ifmr.ifm_status & IFM_ACTIVE); 1852 } 1853 1854 1855 #define IFFBITS \ 1856 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1857 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1858 1859 #define IFCAPBITS \ 1860 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1861 1862 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1863 1864 const struct ifmedia_status_description ifm_status_descriptions[] = 1865 IFM_STATUS_DESCRIPTIONS; 1866 1867 /* 1868 * Print the status of the interface. If an address family was 1869 * specified, show it and it only; otherwise, show them all. 1870 */ 1871 void 1872 status(sdl) 1873 const struct sockaddr_dl *sdl; 1874 { 1875 struct afswtch *p = afp; 1876 struct ifmediareq ifmr; 1877 struct ifdatareq ifdr; 1878 int *media_list, i; 1879 char hbuf[NI_MAXHOST]; 1880 1881 printf("%s: ", name); 1882 printb("flags", flags, IFFBITS); 1883 if (metric) 1884 printf(" metric %lu", metric); 1885 if (mtu) 1886 printf(" mtu %lu", mtu); 1887 putchar('\n'); 1888 1889 if (g_ifcr.ifcr_capabilities) { 1890 putchar('\t'); 1891 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1892 putchar('\n'); 1893 1894 putchar('\t'); 1895 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1896 putchar('\n'); 1897 } 1898 1899 ieee80211_status(); 1900 vlan_status(); 1901 tunnel_status(); 1902 1903 if (sdl != NULL && 1904 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1905 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1906 hbuf[0] != '\0') 1907 printf("\taddress: %s\n", hbuf); 1908 1909 (void) memset(&ifmr, 0, sizeof(ifmr)); 1910 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1911 1912 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1913 /* 1914 * Interface doesn't support SIOC{G,S}IFMEDIA. 1915 */ 1916 goto iface_stats; 1917 } 1918 1919 if (ifmr.ifm_count == 0) { 1920 warnx("%s: no media types?", name); 1921 goto iface_stats; 1922 } 1923 1924 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1925 if (media_list == NULL) 1926 err(EXIT_FAILURE, "malloc"); 1927 ifmr.ifm_ulist = media_list; 1928 1929 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 1930 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1931 1932 printf("\tmedia: "); 1933 print_media_word(ifmr.ifm_current, 1, 0); 1934 if (ifmr.ifm_active != ifmr.ifm_current) { 1935 putchar(' '); 1936 putchar('('); 1937 print_media_word(ifmr.ifm_active, 0, 0); 1938 putchar(')'); 1939 } 1940 putchar('\n'); 1941 1942 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1943 const struct ifmedia_status_description *ifms; 1944 int bitno, found = 0; 1945 1946 printf("\tstatus: "); 1947 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1948 for (ifms = ifm_status_descriptions; 1949 ifms->ifms_valid != 0; ifms++) { 1950 if (ifms->ifms_type != 1951 IFM_TYPE(ifmr.ifm_current) || 1952 ifms->ifms_valid != 1953 ifm_status_valid_list[bitno]) 1954 continue; 1955 printf("%s%s", found ? ", " : "", 1956 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1957 found = 1; 1958 1959 /* 1960 * For each valid indicator bit, there's 1961 * only one entry for each media type, so 1962 * terminate the inner loop now. 1963 */ 1964 break; 1965 } 1966 } 1967 1968 if (found == 0) 1969 printf("unknown"); 1970 putchar('\n'); 1971 } 1972 1973 if (mflag) { 1974 int type, printed_type; 1975 1976 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1977 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1978 if (IFM_TYPE(media_list[i]) == type) { 1979 if (printed_type == 0) { 1980 printf("\tsupported %s media:\n", 1981 get_media_type_string(type)); 1982 printed_type = 1; 1983 } 1984 printf("\t\t"); 1985 print_media_word(media_list[i], 0, 1); 1986 printf("\n"); 1987 } 1988 } 1989 } 1990 } 1991 1992 free(media_list); 1993 1994 iface_stats: 1995 if (!vflag) 1996 goto proto_status; 1997 1998 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1999 2000 if (ioctl(s, SIOCGIFDATA, (caddr_t)&ifdr) != -1) { 2001 struct if_data * const ifi = &ifdr.ifdr_data; 2002 #define PLURAL(n) ((n) == 1 ? "" : "s") 2003 printf("\tinput: %llu packet%s, %llu byte%s", 2004 (unsigned long long) ifi->ifi_ipackets, 2005 PLURAL(ifi->ifi_ipackets), 2006 (unsigned long long) ifi->ifi_ibytes, 2007 PLURAL(ifi->ifi_ibytes)); 2008 if (ifi->ifi_imcasts) 2009 printf(", %llu multicast%s", 2010 (unsigned long long) ifi->ifi_imcasts, 2011 PLURAL(ifi->ifi_imcasts)); 2012 if (ifi->ifi_ierrors) 2013 printf(", %llu error%s", 2014 (unsigned long long) ifi->ifi_ierrors, 2015 PLURAL(ifi->ifi_ierrors)); 2016 if (ifi->ifi_iqdrops) 2017 printf(", %llu queue drop%s", 2018 (unsigned long long) ifi->ifi_iqdrops, 2019 PLURAL(ifi->ifi_iqdrops)); 2020 if (ifi->ifi_noproto) 2021 printf(", %llu unknown protocol", 2022 (unsigned long long) ifi->ifi_noproto); 2023 printf("\n\toutput: %llu packet%s, %llu byte%s", 2024 (unsigned long long) ifi->ifi_opackets, 2025 PLURAL(ifi->ifi_opackets), 2026 (unsigned long long) ifi->ifi_obytes, 2027 PLURAL(ifi->ifi_obytes)); 2028 if (ifi->ifi_omcasts) 2029 printf(", %llu multicast%s", 2030 (unsigned long long) ifi->ifi_omcasts, 2031 PLURAL(ifi->ifi_omcasts)); 2032 if (ifi->ifi_oerrors) 2033 printf(", %llu error%s", 2034 (unsigned long long) ifi->ifi_oerrors, 2035 PLURAL(ifi->ifi_oerrors)); 2036 if (ifi->ifi_collisions) 2037 printf(", %llu collision%s", 2038 (unsigned long long) ifi->ifi_collisions, 2039 PLURAL(ifi->ifi_collisions)); 2040 printf("\n"); 2041 #undef PLURAL 2042 } 2043 2044 proto_status: 2045 if ((p = afp) != NULL) { 2046 (*p->af_status)(1); 2047 } else for (p = afs; p->af_name; p++) { 2048 ifr.ifr_addr.sa_family = p->af_af; 2049 (*p->af_status)(0); 2050 } 2051 } 2052 2053 void 2054 tunnel_status() 2055 { 2056 char psrcaddr[NI_MAXHOST]; 2057 char pdstaddr[NI_MAXHOST]; 2058 const char *ver = ""; 2059 #ifdef NI_WITHSCOPEID 2060 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2061 #else 2062 const int niflag = NI_NUMERICHOST; 2063 #endif 2064 struct if_laddrreq req; 2065 2066 psrcaddr[0] = pdstaddr[0] = '\0'; 2067 2068 memset(&req, 0, sizeof(req)); 2069 strncpy(req.iflr_name, name, IFNAMSIZ); 2070 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2071 return; 2072 #ifdef INET6 2073 if (req.addr.ss_family == AF_INET6) 2074 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2075 #endif 2076 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2077 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2078 #ifdef INET6 2079 if (req.addr.ss_family == AF_INET6) 2080 ver = "6"; 2081 #endif 2082 2083 #ifdef INET6 2084 if (req.dstaddr.ss_family == AF_INET6) 2085 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2086 #endif 2087 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2088 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2089 2090 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2091 } 2092 2093 void 2094 vlan_status() 2095 { 2096 struct vlanreq vlr; 2097 2098 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2099 !isdigit(ifr.ifr_name[4])) 2100 return; 2101 2102 memset(&vlr, 0, sizeof(vlr)); 2103 ifr.ifr_data = (caddr_t)&vlr; 2104 2105 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2106 return; 2107 2108 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2109 printf("\tvlan: %d parent: %s\n", 2110 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2111 "<none>" : vlr.vlr_parent); 2112 } 2113 2114 void 2115 in_alias(creq) 2116 struct ifreq *creq; 2117 { 2118 struct sockaddr_in *iasin; 2119 int alias; 2120 2121 if (lflag) 2122 return; 2123 2124 alias = 1; 2125 2126 /* Get the non-alias address for this interface. */ 2127 getsock(AF_INET); 2128 if (s < 0) { 2129 if (errno == EPROTONOSUPPORT) 2130 return; 2131 err(EXIT_FAILURE, "socket"); 2132 } 2133 (void) memset(&ifr, 0, sizeof(ifr)); 2134 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2135 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2136 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2137 return; 2138 } else 2139 warn("SIOCGIFADDR"); 2140 } 2141 /* If creq and ifr are the same address, this is not an alias. */ 2142 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2143 sizeof(creq->ifr_addr)) == 0) 2144 alias = 0; 2145 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2146 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2147 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2148 sizeof(in_addreq.ifra_addr)); 2149 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2150 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2151 return; 2152 } else 2153 warn("SIOCGIFALIAS"); 2154 } 2155 2156 iasin = &in_addreq.ifra_addr; 2157 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2158 2159 if (flags & IFF_POINTOPOINT) { 2160 iasin = &in_addreq.ifra_dstaddr; 2161 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2162 } 2163 2164 iasin = &in_addreq.ifra_mask; 2165 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2166 2167 if (flags & IFF_BROADCAST) { 2168 iasin = &in_addreq.ifra_broadaddr; 2169 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2170 } 2171 printf("\n"); 2172 } 2173 2174 void 2175 in_status(force) 2176 int force; 2177 { 2178 struct ifaddrs *ifap, *ifa; 2179 struct ifreq isifr; 2180 2181 if (getifaddrs(&ifap) != 0) 2182 err(EXIT_FAILURE, "getifaddrs"); 2183 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2184 if (strcmp(name, ifa->ifa_name) != 0) 2185 continue; 2186 if (ifa->ifa_addr->sa_family != AF_INET) 2187 continue; 2188 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2189 continue; 2190 2191 memset(&isifr, 0, sizeof(isifr)); 2192 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2193 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2194 in_alias(&isifr); 2195 } 2196 freeifaddrs(ifap); 2197 } 2198 2199 void 2200 setifprefixlen(addr, d) 2201 const char *addr; 2202 int d; 2203 { 2204 if (*afp->af_getprefix) 2205 (*afp->af_getprefix)(addr, MASK); 2206 explicit_prefix = 1; 2207 } 2208 2209 #ifdef INET6 2210 void 2211 in6_fillscopeid(sin6) 2212 struct sockaddr_in6 *sin6; 2213 { 2214 #if defined(__KAME__) && defined(KAME_SCOPEID) 2215 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2216 sin6->sin6_scope_id = 2217 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2218 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2219 } 2220 #endif 2221 } 2222 2223 /* XXX not really an alias */ 2224 void 2225 in6_alias(creq) 2226 struct in6_ifreq *creq; 2227 { 2228 struct sockaddr_in6 *sin6; 2229 char hbuf[NI_MAXHOST]; 2230 u_int32_t scopeid; 2231 #ifdef NI_WITHSCOPEID 2232 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2233 #else 2234 const int niflag = NI_NUMERICHOST; 2235 #endif 2236 2237 /* Get the non-alias address for this interface. */ 2238 getsock(AF_INET6); 2239 if (s < 0) { 2240 if (errno == EPROTONOSUPPORT) 2241 return; 2242 err(EXIT_FAILURE, "socket"); 2243 } 2244 2245 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2246 2247 in6_fillscopeid(sin6); 2248 scopeid = sin6->sin6_scope_id; 2249 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2250 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2251 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2252 printf("\tinet6 %s", hbuf); 2253 2254 if (flags & IFF_POINTOPOINT) { 2255 (void) memset(&ifr6, 0, sizeof(ifr6)); 2256 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2257 ifr6.ifr_addr = creq->ifr_addr; 2258 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2259 if (errno != EADDRNOTAVAIL) 2260 warn("SIOCGIFDSTADDR_IN6"); 2261 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2262 ifr6.ifr_addr.sin6_family = AF_INET6; 2263 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2264 } 2265 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2266 in6_fillscopeid(sin6); 2267 hbuf[0] = '\0'; 2268 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2269 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2270 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2271 printf(" -> %s", hbuf); 2272 } 2273 2274 (void) memset(&ifr6, 0, sizeof(ifr6)); 2275 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2276 ifr6.ifr_addr = creq->ifr_addr; 2277 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2278 if (errno != EADDRNOTAVAIL) 2279 warn("SIOCGIFNETMASK_IN6"); 2280 } else { 2281 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2282 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2283 sizeof(struct in6_addr))); 2284 } 2285 2286 (void) memset(&ifr6, 0, sizeof(ifr6)); 2287 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2288 ifr6.ifr_addr = creq->ifr_addr; 2289 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2290 if (errno != EADDRNOTAVAIL) 2291 warn("SIOCGIFAFLAG_IN6"); 2292 } else { 2293 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2294 printf(" anycast"); 2295 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2296 printf(" tentative"); 2297 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2298 printf(" duplicated"); 2299 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2300 printf(" detached"); 2301 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2302 printf(" deprecated"); 2303 } 2304 2305 if (scopeid) 2306 printf(" scopeid 0x%x", scopeid); 2307 2308 if (Lflag) { 2309 struct in6_addrlifetime *lifetime; 2310 (void) memset(&ifr6, 0, sizeof(ifr6)); 2311 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2312 ifr6.ifr_addr = creq->ifr_addr; 2313 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2314 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2315 if (errno != EADDRNOTAVAIL) 2316 warn("SIOCGIFALIFETIME_IN6"); 2317 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2318 time_t t = time(NULL); 2319 printf(" pltime "); 2320 if (lifetime->ia6t_preferred) { 2321 printf("%s", lifetime->ia6t_preferred < t 2322 ? "0" 2323 : sec2str(lifetime->ia6t_preferred - t)); 2324 } else 2325 printf("infty"); 2326 2327 printf(" vltime "); 2328 if (lifetime->ia6t_expire) { 2329 printf("%s", lifetime->ia6t_expire < t 2330 ? "0" 2331 : sec2str(lifetime->ia6t_expire - t)); 2332 } else 2333 printf("infty"); 2334 } 2335 } 2336 2337 printf("\n"); 2338 } 2339 2340 void 2341 in6_status(force) 2342 int force; 2343 { 2344 struct ifaddrs *ifap, *ifa; 2345 struct in6_ifreq isifr; 2346 2347 if (getifaddrs(&ifap) != 0) 2348 err(EXIT_FAILURE, "getifaddrs"); 2349 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2350 if (strcmp(name, ifa->ifa_name) != 0) 2351 continue; 2352 if (ifa->ifa_addr->sa_family != AF_INET6) 2353 continue; 2354 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2355 continue; 2356 2357 memset(&isifr, 0, sizeof(isifr)); 2358 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2359 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2360 in6_alias(&isifr); 2361 } 2362 freeifaddrs(ifap); 2363 } 2364 #endif /*INET6*/ 2365 2366 #ifndef INET_ONLY 2367 2368 void 2369 at_status(force) 2370 int force; 2371 { 2372 struct sockaddr_at *sat, null_sat; 2373 struct netrange *nr; 2374 2375 getsock(AF_APPLETALK); 2376 if (s < 0) { 2377 if (errno == EPROTONOSUPPORT) 2378 return; 2379 err(EXIT_FAILURE, "socket"); 2380 } 2381 (void) memset(&ifr, 0, sizeof(ifr)); 2382 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2383 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2384 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2385 if (!force) 2386 return; 2387 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2388 } else 2389 warn("SIOCGIFADDR"); 2390 } 2391 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2392 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2393 2394 (void) memset(&null_sat, 0, sizeof(null_sat)); 2395 2396 nr = (struct netrange *) &sat->sat_zero; 2397 printf("\tatalk %d.%d range %d-%d phase %d", 2398 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2399 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2400 if (flags & IFF_POINTOPOINT) { 2401 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2402 if (errno == EADDRNOTAVAIL) 2403 (void) memset(&ifr.ifr_addr, 0, 2404 sizeof(ifr.ifr_addr)); 2405 else 2406 warn("SIOCGIFDSTADDR"); 2407 } 2408 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2409 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2410 if (!sat) 2411 sat = &null_sat; 2412 printf("--> %d.%d", 2413 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2414 } 2415 if (flags & IFF_BROADCAST) { 2416 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2417 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2418 if (sat) 2419 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2420 sat->sat_addr.s_node); 2421 } 2422 putchar('\n'); 2423 } 2424 2425 void 2426 xns_status(force) 2427 int force; 2428 { 2429 struct sockaddr_ns *sns; 2430 2431 getsock(AF_NS); 2432 if (s < 0) { 2433 if (errno == EPROTONOSUPPORT) 2434 return; 2435 err(EXIT_FAILURE, "socket"); 2436 } 2437 (void) memset(&ifr, 0, sizeof(ifr)); 2438 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2439 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2440 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2441 if (!force) 2442 return; 2443 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2444 } else 2445 warn("SIOCGIFADDR"); 2446 } 2447 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2448 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2449 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2450 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2451 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2452 if (errno == EADDRNOTAVAIL) 2453 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2454 else 2455 warn("SIOCGIFDSTADDR"); 2456 } 2457 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2458 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2459 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2460 } 2461 putchar('\n'); 2462 } 2463 2464 void 2465 iso_status(force) 2466 int force; 2467 { 2468 struct sockaddr_iso *siso; 2469 struct iso_ifreq isoifr; 2470 2471 getsock(AF_ISO); 2472 if (s < 0) { 2473 if (errno == EPROTONOSUPPORT) 2474 return; 2475 err(EXIT_FAILURE, "socket"); 2476 } 2477 (void) memset(&isoifr, 0, sizeof(isoifr)); 2478 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2479 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2480 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2481 if (!force) 2482 return; 2483 (void) memset(&isoifr.ifr_Addr, 0, 2484 sizeof(isoifr.ifr_Addr)); 2485 } else 2486 warn("SIOCGIFADDR_ISO"); 2487 } 2488 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2489 siso = &isoifr.ifr_Addr; 2490 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2491 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2492 if (errno == EADDRNOTAVAIL) 2493 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2494 else 2495 warn("SIOCGIFNETMASK_ISO"); 2496 } else { 2497 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2498 siso->siso_addr.isoa_len = siso->siso_len 2499 - offsetof(struct sockaddr_iso, siso_addr); 2500 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2501 } 2502 if (flags & IFF_POINTOPOINT) { 2503 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2504 if (errno == EADDRNOTAVAIL) 2505 memset(&isoifr.ifr_Addr, 0, 2506 sizeof(isoifr.ifr_Addr)); 2507 else 2508 warn("SIOCGIFDSTADDR_ISO"); 2509 } 2510 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2511 siso = &isoifr.ifr_Addr; 2512 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2513 } 2514 putchar('\n'); 2515 } 2516 2517 #endif /* INET_ONLY */ 2518 2519 #define SIN(x) ((struct sockaddr_in *) &(x)) 2520 struct sockaddr_in *sintab[] = { 2521 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2522 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2523 2524 void 2525 in_getaddr(str, which) 2526 const char *str; 2527 int which; 2528 { 2529 struct sockaddr_in *gasin = sintab[which]; 2530 struct hostent *hp; 2531 struct netent *np; 2532 2533 gasin->sin_len = sizeof(*gasin); 2534 if (which != MASK) 2535 gasin->sin_family = AF_INET; 2536 2537 if (which == ADDR) { 2538 char *p = NULL; 2539 if ((p = strrchr(str, '/')) != NULL) { 2540 *p = '\0'; 2541 in_getprefix(p + 1, MASK); 2542 } 2543 } 2544 2545 if (inet_aton(str, &gasin->sin_addr) == 0) { 2546 if ((hp = gethostbyname(str)) != NULL) 2547 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2548 else if ((np = getnetbyname(str)) != NULL) 2549 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2550 else 2551 errx(1, "%s: bad value", str); 2552 } 2553 } 2554 2555 void 2556 in_getprefix(plen, which) 2557 const char *plen; 2558 int which; 2559 { 2560 register struct sockaddr_in *igsin = sintab[which]; 2561 register u_char *cp; 2562 int len = strtol(plen, (char **)NULL, 10); 2563 2564 if ((len < 0) || (len > 32)) 2565 errx(1, "%s: bad value", plen); 2566 igsin->sin_len = sizeof(*igsin); 2567 if (which != MASK) 2568 igsin->sin_family = AF_INET; 2569 if ((len == 0) || (len == 32)) { 2570 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2571 return; 2572 } 2573 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2574 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2575 *cp++ = 0xff; 2576 if (len) 2577 *cp = 0xff << (8 - len); 2578 } 2579 2580 /* 2581 * Print a value a la the %b format of the kernel's printf 2582 */ 2583 void 2584 printb(str, v, bits) 2585 const char *str; 2586 unsigned short v; 2587 const char *bits; 2588 { 2589 int i, any = 0; 2590 char c; 2591 2592 if (bits && *bits == 8) 2593 printf("%s=%o", str, v); 2594 else 2595 printf("%s=%x", str, v); 2596 bits++; 2597 if (bits) { 2598 putchar('<'); 2599 while ((i = *bits++) != 0) { 2600 if (v & (1 << (i-1))) { 2601 if (any) 2602 putchar(','); 2603 any = 1; 2604 for (; (c = *bits) > 32; bits++) 2605 putchar(c); 2606 } else 2607 for (; *bits > 32; bits++) 2608 ; 2609 } 2610 putchar('>'); 2611 } 2612 } 2613 2614 #ifdef INET6 2615 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2616 struct sockaddr_in6 *sin6tab[] = { 2617 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2618 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2619 2620 void 2621 in6_getaddr(str, which) 2622 const char *str; 2623 int which; 2624 { 2625 #if defined(__KAME__) && defined(KAME_SCOPEID) 2626 struct sockaddr_in6 *sin6 = sin6tab[which]; 2627 struct addrinfo hints, *res; 2628 int error; 2629 2630 memset(&hints, 0, sizeof(hints)); 2631 hints.ai_family = AF_INET6; 2632 hints.ai_socktype = SOCK_DGRAM; 2633 #if 0 /* in_getaddr() allows FQDN */ 2634 hints.ai_flags = AI_NUMERICHOST; 2635 #endif 2636 error = getaddrinfo(str, "0", &hints, &res); 2637 if (error) 2638 errx(1, "%s: %s", str, gai_strerror(error)); 2639 if (res->ai_next) 2640 errx(1, "%s: resolved to multiple hosts", str); 2641 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2642 errx(1, "%s: bad value", str); 2643 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2644 freeaddrinfo(res); 2645 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2646 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2647 htons(sin6->sin6_scope_id); 2648 sin6->sin6_scope_id = 0; 2649 } 2650 #else 2651 struct sockaddr_in6 *gasin = sin6tab[which]; 2652 2653 gasin->sin6_len = sizeof(*gasin); 2654 if (which != MASK) 2655 gasin->sin6_family = AF_INET6; 2656 2657 if (which == ADDR) { 2658 char *p = NULL; 2659 if((p = strrchr(str, '/')) != NULL) { 2660 *p = '\0'; 2661 in6_getprefix(p + 1, MASK); 2662 explicit_prefix = 1; 2663 } 2664 } 2665 2666 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2667 errx(1, "%s: bad value", str); 2668 #endif 2669 } 2670 2671 void 2672 in6_getprefix(plen, which) 2673 const char *plen; 2674 int which; 2675 { 2676 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2677 register u_char *cp; 2678 int len = strtol(plen, (char **)NULL, 10); 2679 2680 if ((len < 0) || (len > 128)) 2681 errx(1, "%s: bad value", plen); 2682 gpsin->sin6_len = sizeof(*gpsin); 2683 if (which != MASK) 2684 gpsin->sin6_family = AF_INET6; 2685 if ((len == 0) || (len == 128)) { 2686 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2687 return; 2688 } 2689 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2690 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2691 *cp++ = 0xff; 2692 if (len) 2693 *cp = 0xff << (8 - len); 2694 } 2695 2696 int 2697 prefix(val, size) 2698 void *val; 2699 int size; 2700 { 2701 register u_char *pname = (u_char *)val; 2702 register int byte, bit, plen = 0; 2703 2704 for (byte = 0; byte < size; byte++, plen += 8) 2705 if (pname[byte] != 0xff) 2706 break; 2707 if (byte == size) 2708 return (plen); 2709 for (bit = 7; bit != 0; bit--, plen++) 2710 if (!(pname[byte] & (1 << bit))) 2711 break; 2712 for (; bit != 0; bit--) 2713 if (pname[byte] & (1 << bit)) 2714 return(0); 2715 byte++; 2716 for (; byte < size; byte++) 2717 if (pname[byte]) 2718 return(0); 2719 return (plen); 2720 } 2721 #endif /*INET6*/ 2722 2723 #ifndef INET_ONLY 2724 void 2725 at_getaddr(addr, which) 2726 const char *addr; 2727 int which; 2728 { 2729 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2730 u_int net, node; 2731 2732 sat->sat_family = AF_APPLETALK; 2733 sat->sat_len = sizeof(*sat); 2734 if (which == MASK) 2735 errx(1, "AppleTalk does not use netmasks\n"); 2736 if (sscanf(addr, "%u.%u", &net, &node) != 2 2737 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2738 errx(1, "%s: illegal address", addr); 2739 sat->sat_addr.s_net = htons(net); 2740 sat->sat_addr.s_node = node; 2741 } 2742 2743 void 2744 setatrange(range, d) 2745 const char *range; 2746 int d; 2747 { 2748 u_short first = 123, last = 123; 2749 2750 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2751 || first == 0 /* || first > 0xffff */ 2752 || last == 0 /* || last > 0xffff */ || first > last) 2753 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2754 at_nr.nr_firstnet = htons(first); 2755 at_nr.nr_lastnet = htons(last); 2756 } 2757 2758 void 2759 setatphase(phase, d) 2760 const char *phase; 2761 int d; 2762 { 2763 if (!strcmp(phase, "1")) 2764 at_nr.nr_phase = 1; 2765 else if (!strcmp(phase, "2")) 2766 at_nr.nr_phase = 2; 2767 else 2768 errx(1, "%s: illegal phase", phase); 2769 } 2770 2771 void 2772 checkatrange(sat) 2773 struct sockaddr_at *sat; 2774 { 2775 if (at_nr.nr_phase == 0) 2776 at_nr.nr_phase = 2; /* Default phase 2 */ 2777 if (at_nr.nr_firstnet == 0) 2778 at_nr.nr_firstnet = /* Default range of one */ 2779 at_nr.nr_lastnet = sat->sat_addr.s_net; 2780 printf("\tatalk %d.%d range %d-%d phase %d\n", 2781 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2782 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2783 if ((u_short) ntohs(at_nr.nr_firstnet) > 2784 (u_short) ntohs(sat->sat_addr.s_net) 2785 || (u_short) ntohs(at_nr.nr_lastnet) < 2786 (u_short) ntohs(sat->sat_addr.s_net)) 2787 errx(1, "AppleTalk address is not in range"); 2788 *((struct netrange *) &sat->sat_zero) = at_nr; 2789 } 2790 2791 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2792 struct sockaddr_ns *snstab[] = { 2793 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2794 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2795 2796 void 2797 xns_getaddr(addr, which) 2798 const char *addr; 2799 int which; 2800 { 2801 struct sockaddr_ns *sns = snstab[which]; 2802 2803 sns->sns_family = AF_NS; 2804 sns->sns_len = sizeof(*sns); 2805 sns->sns_addr = ns_addr(addr); 2806 if (which == MASK) 2807 puts("Attempt to set XNS netmask will be ineffectual"); 2808 } 2809 2810 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2811 struct sockaddr_iso *sisotab[] = { 2812 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2813 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2814 2815 void 2816 iso_getaddr(addr, which) 2817 const char *addr; 2818 int which; 2819 { 2820 struct sockaddr_iso *siso = sisotab[which]; 2821 siso->siso_addr = *iso_addr(addr); 2822 2823 if (which == MASK) { 2824 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2825 siso->siso_nlen = 0; 2826 } else { 2827 siso->siso_len = sizeof(*siso); 2828 siso->siso_family = AF_ISO; 2829 } 2830 } 2831 2832 void 2833 setsnpaoffset(val, d) 2834 const char *val; 2835 int d; 2836 { 2837 iso_addreq.ifra_snpaoffset = atoi(val); 2838 } 2839 2840 void 2841 setnsellength(val, d) 2842 const char *val; 2843 int d; 2844 { 2845 nsellength = atoi(val); 2846 if (nsellength < 0) 2847 errx(1, "Negative NSEL length is absurd"); 2848 if (afp == 0 || afp->af_af != AF_ISO) 2849 errx(1, "Setting NSEL length valid only for iso"); 2850 } 2851 2852 void 2853 fixnsel(siso) 2854 struct sockaddr_iso *siso; 2855 { 2856 if (siso->siso_family == 0) 2857 return; 2858 siso->siso_tlen = nsellength; 2859 } 2860 2861 void 2862 adjust_nsellength() 2863 { 2864 fixnsel(sisotab[RIDADDR]); 2865 fixnsel(sisotab[ADDR]); 2866 fixnsel(sisotab[DSTADDR]); 2867 } 2868 2869 #endif /* INET_ONLY */ 2870 2871 void 2872 usage() 2873 { 2874 const char *progname = getprogname(); 2875 2876 fprintf(stderr, 2877 "usage: %s [ -m ] [ -v ]" 2878 #ifdef INET6 2879 "[ -L ] " 2880 #endif 2881 "interface\n" 2882 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2883 "\t\t[ alias | -alias ] ]\n" 2884 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2885 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2886 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2887 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2888 "\t[ arp | -arp ]\n" 2889 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2890 "[ instance minst ]\n" 2891 "\t[ vlan n vlanif i ]\n" 2892 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2893 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2894 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2895 " %s -a [ -m ] [ -d ] [ -u ] [ -v ] [ af ]\n" 2896 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2897 " %s -C\n" 2898 " %s interface create\n" 2899 " %s interface destroy\n", 2900 progname, progname, progname, progname, progname, progname); 2901 exit(1); 2902 } 2903 2904 #ifdef INET6 2905 char * 2906 sec2str(total) 2907 time_t total; 2908 { 2909 static char result[256]; 2910 int days, hours, mins, secs; 2911 int first = 1; 2912 char *p = result; 2913 char *end = &result[sizeof(result)]; 2914 int n; 2915 2916 if (0) { /*XXX*/ 2917 days = total / 3600 / 24; 2918 hours = (total / 3600) % 24; 2919 mins = (total / 60) % 60; 2920 secs = total % 60; 2921 2922 if (days) { 2923 first = 0; 2924 n = snprintf(p, end - p, "%dd", days); 2925 if (n < 0 || n >= end - p) 2926 return(result); 2927 p += n; 2928 } 2929 if (!first || hours) { 2930 first = 0; 2931 n = snprintf(p, end - p, "%dh", hours); 2932 if (n < 0 || n >= end - p) 2933 return(result); 2934 p += n; 2935 } 2936 if (!first || mins) { 2937 first = 0; 2938 n = snprintf(p, end - p, "%dm", mins); 2939 if (n < 0 || n >= end - p) 2940 return(result); 2941 p += n; 2942 } 2943 snprintf(p, end - p, "%ds", secs); 2944 } else 2945 snprintf(p, end - p, "%lu", (u_long)total); 2946 2947 return(result); 2948 } 2949 #endif 2950
Indexes created Mon Sep 29 21:09:56 GMT 2025