ifconfig.c revision 1.148
1 /* $NetBSD: ifconfig.c,v 1.148 2004/11/16 05:59:32 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. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69 #include <sys/cdefs.h> 70 #ifndef lint 71 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 72 The Regents of the University of California. All rights reserved.\n"); 73 #endif /* not lint */ 74 75 #ifndef lint 76 #if 0 77 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78 #else 79 __RCSID("$NetBSD: ifconfig.c,v 1.148 2004/11/16 05:59:32 itojun Exp $"); 80 #endif 81 #endif /* not lint */ 82 83 #include <sys/param.h> 84 #include <sys/socket.h> 85 #include <sys/ioctl.h> 86 87 #include <net/if.h> 88 #include <net/if_dl.h> 89 #include <net/if_media.h> 90 #include <net/if_ether.h> 91 #include <net80211/ieee80211.h> 92 #include <net80211/ieee80211_ioctl.h> 93 #include <net/if_vlanvar.h> 94 #include <netinet/in.h> 95 #include <netinet/in_var.h> 96 #ifdef INET6 97 #include <netinet6/nd6.h> 98 #endif 99 #include <arpa/inet.h> 100 101 #include <netatalk/at.h> 102 103 #define NSIP 104 #include <netns/ns.h> 105 #include <netns/ns_if.h> 106 #include <netdb.h> 107 108 #define EON 109 #include <netiso/iso.h> 110 #include <netiso/iso_var.h> 111 #include <sys/protosw.h> 112 113 #include <ctype.h> 114 #include <err.h> 115 #include <errno.h> 116 #include <stddef.h> 117 #include <stdio.h> 118 #include <stdlib.h> 119 #include <string.h> 120 #include <unistd.h> 121 #include <ifaddrs.h> 122 #include <util.h> 123 124 struct ifreq ifr, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 struct in_aliasreq in_addreq; 127 #ifdef INET6 128 struct in6_ifreq ifr6; 129 struct in6_ifreq in6_ridreq; 130 struct in6_aliasreq in6_addreq; 131 #endif 132 struct iso_ifreq iso_ridreq; 133 struct iso_aliasreq iso_addreq; 134 struct sockaddr_in netmask; 135 struct netrange at_nr; /* AppleTalk net range */ 136 137 char name[30]; 138 u_short flags; 139 int setaddr, setipdst, doalias; 140 u_long metric, mtu; 141 int clearaddr, s; 142 int newaddr = -1; 143 int conflicting = 0; 144 int nsellength = 1; 145 int af; 146 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int explicit_prefix = 0; 151 u_int vlan_tag = (u_int)-1; 152 153 struct ifcapreq g_ifcr; 154 int g_ifcr_updated; 155 156 void notealias(const char *, int); 157 void notrailers(const char *, int); 158 void setifaddr(const char *, int); 159 void setifdstaddr(const char *, int); 160 void setifflags(const char *, int); 161 void setifcaps(const char *, int); 162 void setifbroadaddr(const char *, int); 163 void setifipdst(const char *, int); 164 void setifmetric(const char *, int); 165 void setifmtu(const char *, int); 166 void setifnwid(const char *, int); 167 void setifnwkey(const char *, int); 168 void setifbssid(const char *, int); 169 void setifchan(const char *, int); 170 void setifpowersave(const char *, int); 171 void setifpowersavesleep(const char *, int); 172 void setifnetmask(const char *, int); 173 void setifprefixlen(const char *, int); 174 void setnsellength(const char *, int); 175 void setsnpaoffset(const char *, int); 176 void setatrange(const char *, int); 177 void setatphase(const char *, int); 178 void settunnel(const char *, const char *); 179 void deletetunnel(const char *, int); 180 #ifdef INET6 181 void setia6flags(const char *, int); 182 void setia6pltime(const char *, int); 183 void setia6vltime(const char *, int); 184 void setia6lifetime(const char *, const char *); 185 void setia6eui64(const char *, int); 186 #endif 187 void checkatrange(struct sockaddr_at *); 188 void setmedia(const char *, int); 189 void setmediamode(const char *, int); 190 void setmediaopt(const char *, int); 191 void unsetmediaopt(const char *, int); 192 void setmediainst(const char *, int); 193 void clone_create(const char *, int); 194 void clone_destroy(const char *, int); 195 void fixnsel(struct sockaddr_iso *); 196 void setvlan(const char *, int); 197 void setvlanif(const char *, int); 198 void unsetvlanif(const char *, int); 199 int main(int, char *[]); 200 201 /* 202 * Media stuff. Whenever a media command is first performed, the 203 * currently select media is grabbed for this interface. If `media' 204 * is given, the current media word is modifed. `mediaopt' commands 205 * only modify the set and clear words. They then operate on the 206 * current media word later. 207 */ 208 int media_current; 209 int mediaopt_set; 210 int mediaopt_clear; 211 212 int actions; /* Actions performed */ 213 214 #define A_MEDIA 0x0001 /* media command */ 215 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 216 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 217 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 218 #define A_MEDIAINST 0x0008 /* instance or inst command */ 219 #define A_MEDIAMODE 0x0010 /* mode 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)(const char *, int); 229 void (*c_func2)(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 { "bssid", NEXTARG, 0, setifbssid }, 251 { "-bssid", -1, 0, setifbssid }, 252 { "chan", NEXTARG, 0, setifchan }, 253 { "-chan", -1, 0, setifchan }, 254 { "ssid", NEXTARG, 0, setifnwid }, 255 { "nwid", NEXTARG, 0, setifnwid }, 256 { "nwkey", NEXTARG, 0, setifnwkey }, 257 { "-nwkey", -1, 0, setifnwkey }, 258 { "powersave", 1, 0, setifpowersave }, 259 { "-powersave", 0, 0, setifpowersave }, 260 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 261 { "broadcast", NEXTARG, 0, setifbroadaddr }, 262 { "ipdst", NEXTARG, 0, setifipdst }, 263 { "prefixlen", NEXTARG, 0, setifprefixlen}, 264 #ifdef INET6 265 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 266 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 267 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 268 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 269 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 270 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 271 { "pltime", NEXTARG, 0, setia6pltime }, 272 { "vltime", NEXTARG, 0, setia6vltime }, 273 { "eui64", 0, 0, setia6eui64 }, 274 #endif /*INET6*/ 275 #ifndef INET_ONLY 276 { "range", NEXTARG, 0, setatrange }, 277 { "phase", NEXTARG, 0, setatphase }, 278 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 279 { "nsellength", NEXTARG, 0, setnsellength }, 280 #endif /* INET_ONLY */ 281 { "tunnel", NEXTARG2, 0, NULL, 282 settunnel } , 283 { "deletetunnel", 0, 0, deletetunnel }, 284 { "vlan", NEXTARG, 0, setvlan } , 285 { "vlanif", NEXTARG, 0, setvlanif } , 286 { "-vlanif", 0, 0, unsetvlanif } , 287 #if 0 288 /* XXX `create' special-cased below */ 289 { "create", 0, 0, clone_create } , 290 #endif 291 { "destroy", 0, 0, clone_destroy } , 292 { "link0", IFF_LINK0, 0, setifflags } , 293 { "-link0", -IFF_LINK0, 0, setifflags } , 294 { "link1", IFF_LINK1, 0, setifflags } , 295 { "-link1", -IFF_LINK1, 0, setifflags } , 296 { "link2", IFF_LINK2, 0, setifflags } , 297 { "-link2", -IFF_LINK2, 0, setifflags } , 298 { "media", NEXTARG, A_MEDIA, setmedia }, 299 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 300 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 301 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 302 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 303 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 304 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 305 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 306 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 307 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 308 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 309 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 310 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 311 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 312 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 313 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 314 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 315 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 316 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 317 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 318 { 0, 0, 0, setifaddr }, 319 { 0, 0, 0, setifdstaddr }, 320 }; 321 322 void adjust_nsellength(void); 323 int getinfo(struct ifreq *); 324 int carrier(void); 325 void getsock(int); 326 void printall(const char *); 327 void list_cloners(void); 328 int prefix(void *, int); 329 void status(const struct sockaddr_dl *); 330 void usage(void); 331 const char *get_string(const char *, const char *, u_int8_t *, int *); 332 void print_string(const u_int8_t *, int); 333 char *sec2str(time_t); 334 335 void print_media_word(int, const char *); 336 void process_media_commands(void); 337 void init_current_media(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(struct ifreq *); 344 void in_status(int); 345 void in_getaddr(const char *, int); 346 void in_getprefix(const char *, int); 347 #ifdef INET6 348 void in6_fillscopeid(struct sockaddr_in6 *sin6); 349 void in6_alias(struct in6_ifreq *); 350 void in6_status(int); 351 void in6_getaddr(const char *, int); 352 void in6_getprefix(const char *, int); 353 #endif 354 void at_status(int); 355 void at_getaddr(const char *, int); 356 void xns_status(int); 357 void xns_getaddr(const char *, int); 358 void iso_status(int); 359 void iso_getaddr(const char *, int); 360 361 void ieee80211_status(void); 362 void tunnel_status(void); 363 void vlan_status(void); 364 365 /* Known address families */ 366 struct afswtch { 367 const char *af_name; 368 short af_af; 369 void (*af_status)(int); 370 void (*af_getaddr)(const char *, int); 371 void (*af_getprefix)(const char *, int); 372 u_long af_difaddr; 373 u_long af_aifaddr; 374 u_long af_gifaddr; 375 void *af_ridreq; 376 void *af_addreq; 377 } afs[] = { 378 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 379 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 380 #ifdef INET6 381 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 382 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 383 /* 384 * Deleting the first address before setting new one is 385 * not prefered way in this protocol. 386 */ 387 0, 388 &in6_ridreq, &in6_addreq }, 389 #endif 390 #ifndef INET_ONLY /* small version, for boot media */ 391 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 392 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 393 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 394 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 395 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 396 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 397 &iso_ridreq, &iso_addreq }, 398 #endif /* INET_ONLY */ 399 { 0, 0, 0, 0 } 400 }; 401 402 struct afswtch *afp; /*the address family being set or asked about*/ 403 404 struct afswtch *lookup_af(const char *); 405 406 int 407 main(int argc, char *argv[]) 408 { 409 int ch; 410 411 /* Parse command-line options */ 412 aflag = mflag = vflag = zflag = 0; 413 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 414 #ifdef INET6 415 "L" 416 #endif 417 )) != -1) { 418 switch (ch) { 419 case 'A': 420 warnx("-A is deprecated"); 421 break; 422 423 case 'a': 424 aflag = 1; 425 break; 426 427 case 'b': 428 bflag = 1; 429 break; 430 431 case 'C': 432 Cflag = 1; 433 break; 434 435 case 'd': 436 dflag = 1; 437 break; 438 439 #ifdef INET6 440 case 'L': 441 Lflag = 1; 442 break; 443 #endif 444 445 case 'l': 446 lflag = 1; 447 break; 448 449 case 'm': 450 mflag = 1; 451 break; 452 453 case 's': 454 sflag = 1; 455 break; 456 457 case 'u': 458 uflag = 1; 459 break; 460 461 case 'v': 462 vflag = 1; 463 break; 464 465 case 'z': 466 zflag = 1; 467 break; 468 469 470 default: 471 usage(); 472 /* NOTREACHED */ 473 } 474 } 475 argc -= optind; 476 argv += optind; 477 478 /* 479 * -l means "list all interfaces", and is mutally exclusive with 480 * all other flags/commands. 481 * 482 * -C means "list all names of cloners", and it mutually exclusive 483 * with all other flags/commands. 484 * 485 * -a means "print status of all interfaces". 486 */ 487 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 488 usage(); 489 #ifdef INET6 490 if ((lflag || Cflag) && Lflag) 491 usage(); 492 #endif 493 if (lflag && Cflag) 494 usage(); 495 if (Cflag) { 496 if (argc) 497 usage(); 498 list_cloners(); 499 exit(0); 500 } 501 if (aflag || lflag) { 502 if (argc > 1) 503 usage(); 504 else if (argc == 1) { 505 afp = lookup_af(argv[0]); 506 if (afp == NULL) 507 usage(); 508 } 509 if (afp) 510 af = ifr.ifr_addr.sa_family = afp->af_af; 511 else 512 af = ifr.ifr_addr.sa_family = afs[0].af_af; 513 printall(NULL); 514 exit(0); 515 } 516 517 /* Make sure there's an interface name. */ 518 if (argc < 1) 519 usage(); 520 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 521 errx(1, "interface name '%s' too long", argv[0]); 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 errx(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, &g_ifcr) == -1) 674 err(EXIT_FAILURE, "SIOCSIFCAP"); 675 } 676 677 exit(0); 678 } 679 680 struct afswtch * 681 lookup_af(const char *cp) 682 { 683 struct afswtch *a; 684 685 for (a = afs; a->af_name != NULL; a++) 686 if (strcmp(a->af_name, cp) == 0) 687 return (a); 688 return (NULL); 689 } 690 691 void 692 getsock(int naf) 693 { 694 static int oaf = -1; 695 696 if (oaf == naf) 697 return; 698 if (oaf != -1) 699 close(s); 700 s = socket(naf, SOCK_DGRAM, 0); 701 if (s < 0) 702 oaf = -1; 703 else 704 oaf = naf; 705 } 706 707 int 708 getinfo(struct ifreq *giifr) 709 { 710 711 getsock(af); 712 if (s < 0) 713 err(EXIT_FAILURE, "socket"); 714 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 715 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 716 return (-1); 717 } 718 flags = giifr->ifr_flags; 719 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 720 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 721 metric = 0; 722 } else 723 metric = giifr->ifr_metric; 724 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 725 mtu = 0; 726 else 727 mtu = giifr->ifr_mtu; 728 729 memset(&g_ifcr, 0, sizeof(g_ifcr)); 730 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 731 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 732 733 return (0); 734 } 735 736 void 737 printall(const char *ifname) 738 { 739 struct ifaddrs *ifap, *ifa; 740 struct ifreq paifr; 741 const struct sockaddr_dl *sdl = NULL; 742 int idx; 743 char *p; 744 745 if (getifaddrs(&ifap) != 0) 746 err(EXIT_FAILURE, "getifaddrs"); 747 p = NULL; 748 idx = 0; 749 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 750 memset(&paifr, 0, sizeof(paifr)); 751 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 752 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 753 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 754 ifa->ifa_addr->sa_len); 755 } 756 757 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 758 continue; 759 if (ifa->ifa_addr->sa_family == AF_LINK) 760 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 761 if (p && strcmp(p, ifa->ifa_name) == 0) 762 continue; 763 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 764 continue; 765 p = ifa->ifa_name; 766 767 if (getinfo(&paifr) < 0) 768 continue; 769 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 770 continue; 771 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 772 continue; 773 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 774 continue; 775 776 if (sflag && carrier()) 777 continue; 778 idx++; 779 /* 780 * Are we just listing the interfaces? 781 */ 782 if (lflag) { 783 if (idx > 1) 784 printf(" "); 785 fputs(name, stdout); 786 continue; 787 } 788 789 status(sdl); 790 sdl = NULL; 791 } 792 if (lflag) 793 printf("\n"); 794 freeifaddrs(ifap); 795 } 796 797 void 798 list_cloners(void) 799 { 800 struct if_clonereq ifcr; 801 char *cp, *buf; 802 int idx; 803 804 memset(&ifcr, 0, sizeof(ifcr)); 805 806 getsock(AF_INET); 807 808 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 809 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 810 811 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 812 if (buf == NULL) 813 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 814 815 ifcr.ifcr_count = ifcr.ifcr_total; 816 ifcr.ifcr_buffer = buf; 817 818 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 819 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 820 821 /* 822 * In case some disappeared in the mean time, clamp it down. 823 */ 824 if (ifcr.ifcr_count > ifcr.ifcr_total) 825 ifcr.ifcr_count = ifcr.ifcr_total; 826 827 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 828 if (idx > 0) 829 printf(" "); 830 printf("%s", cp); 831 } 832 833 printf("\n"); 834 free(buf); 835 return; 836 } 837 838 /*ARGSUSED*/ 839 void 840 clone_create(const char *addr, int param) 841 { 842 843 /* We're called early... */ 844 getsock(AF_INET); 845 846 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 847 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 848 err(EXIT_FAILURE, "SIOCIFCREATE"); 849 } 850 851 /*ARGSUSED*/ 852 void 853 clone_destroy(const char *addr, int param) 854 { 855 856 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 857 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 858 err(EXIT_FAILURE, "SIOCIFDESTROY"); 859 } 860 861 #define RIDADDR 0 862 #define ADDR 1 863 #define MASK 2 864 #define DSTADDR 3 865 866 /*ARGSUSED*/ 867 void 868 setifaddr(const char *addr, int param) 869 { 870 struct ifreq *siifr; /* XXX */ 871 872 /* 873 * Delay the ioctl to set the interface addr until flags are all set. 874 * The address interpretation may depend on the flags, 875 * and the flags may change when the address is set. 876 */ 877 setaddr++; 878 if (newaddr == -1) 879 newaddr = 1; 880 if (doalias == 0 && afp->af_gifaddr != 0) { 881 siifr = (struct ifreq *)afp->af_ridreq; 882 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 883 siifr->ifr_addr.sa_family = afp->af_af; 884 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 885 clearaddr = 1; 886 else if (errno == EADDRNOTAVAIL) 887 /* No address was assigned yet. */ 888 ; 889 else 890 err(EXIT_FAILURE, "SIOCGIFADDR"); 891 } 892 893 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 894 } 895 896 void 897 settunnel(const char *src, const char *dst) 898 { 899 struct addrinfo hints, *srcres, *dstres; 900 int ecode; 901 struct if_laddrreq req; 902 903 memset(&hints, 0, sizeof(hints)); 904 hints.ai_family = afp->af_af; 905 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 906 907 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 908 errx(EXIT_FAILURE, "error in parsing address string: %s", 909 gai_strerror(ecode)); 910 911 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 912 errx(EXIT_FAILURE, "error in parsing address string: %s", 913 gai_strerror(ecode)); 914 915 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 916 errx(EXIT_FAILURE, 917 "source and destination address families do not match"); 918 919 if (srcres->ai_addrlen > sizeof(req.addr) || 920 dstres->ai_addrlen > sizeof(req.dstaddr)) 921 errx(EXIT_FAILURE, "invalid sockaddr"); 922 923 memset(&req, 0, sizeof(req)); 924 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 925 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 926 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 927 928 #ifdef INET6 929 if (req.addr.ss_family == AF_INET6) { 930 struct sockaddr_in6 *s6, *d; 931 932 s6 = (struct sockaddr_in6 *)&req.addr; 933 d = (struct sockaddr_in6 *)&req.dstaddr; 934 if (s6->sin6_scope_id != d->sin6_scope_id) { 935 errx(EXIT_FAILURE, "scope mismatch"); 936 /* NOTREACHED */ 937 } 938 #ifdef __KAME__ 939 /* embed scopeid */ 940 if (s6->sin6_scope_id && 941 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 942 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 943 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 944 htons(s6->sin6_scope_id); 945 } 946 if (d->sin6_scope_id && 947 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 948 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 949 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 950 htons(d->sin6_scope_id); 951 } 952 #endif 953 } 954 #endif 955 956 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 957 warn("SIOCSLIFPHYADDR"); 958 959 freeaddrinfo(srcres); 960 freeaddrinfo(dstres); 961 } 962 963 /* ARGSUSED */ 964 void 965 deletetunnel(const char *vname, int param) 966 { 967 968 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 969 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 970 } 971 972 void 973 setvlan(const char *val, int d) 974 { 975 struct vlanreq vlr; 976 977 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 978 !isdigit((unsigned char)ifr.ifr_name[4])) 979 errx(EXIT_FAILURE, 980 "``vlan'' valid only with vlan(4) interfaces"); 981 982 vlan_tag = atoi(val); 983 984 memset(&vlr, 0, sizeof(vlr)); 985 ifr.ifr_data = (void *)&vlr; 986 987 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 988 err(EXIT_FAILURE, "SIOCGETVLAN"); 989 990 vlr.vlr_tag = vlan_tag; 991 992 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 993 err(EXIT_FAILURE, "SIOCSETVLAN"); 994 } 995 996 void 997 setvlanif(const char *val, int d) 998 { 999 struct vlanreq vlr; 1000 1001 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1002 !isdigit((unsigned char)ifr.ifr_name[4])) 1003 errx(EXIT_FAILURE, 1004 "``vlanif'' valid only with vlan(4) interfaces"); 1005 1006 if (vlan_tag == (u_int)-1) 1007 errx(EXIT_FAILURE, 1008 "must specify both ``vlan'' and ``vlanif''"); 1009 1010 memset(&vlr, 0, sizeof(vlr)); 1011 ifr.ifr_data = (void *)&vlr; 1012 1013 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1014 err(EXIT_FAILURE, "SIOCGETVLAN"); 1015 1016 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1017 vlr.vlr_tag = vlan_tag; 1018 1019 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1020 err(EXIT_FAILURE, "SIOCSETVLAN"); 1021 } 1022 1023 void 1024 unsetvlanif(const char *val, int d) 1025 { 1026 struct vlanreq vlr; 1027 1028 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1029 !isdigit((unsigned char)ifr.ifr_name[4])) 1030 errx(EXIT_FAILURE, 1031 "``vlanif'' valid only with vlan(4) interfaces"); 1032 1033 memset(&vlr, 0, sizeof(vlr)); 1034 ifr.ifr_data = (void *)&vlr; 1035 1036 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1037 err(EXIT_FAILURE, "SIOCGETVLAN"); 1038 1039 vlr.vlr_parent[0] = '\0'; 1040 vlr.vlr_tag = 0; 1041 1042 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1043 err(EXIT_FAILURE, "SIOCSETVLAN"); 1044 } 1045 1046 void 1047 setifnetmask(const char *addr, int d) 1048 { 1049 (*afp->af_getaddr)(addr, MASK); 1050 } 1051 1052 void 1053 setifbroadaddr(const char *addr, int d) 1054 { 1055 (*afp->af_getaddr)(addr, DSTADDR); 1056 } 1057 1058 void 1059 setifipdst(const char *addr, int d) 1060 { 1061 in_getaddr(addr, DSTADDR); 1062 setipdst++; 1063 clearaddr = 0; 1064 newaddr = 0; 1065 } 1066 1067 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1068 /*ARGSUSED*/ 1069 void 1070 notealias(const char *addr, int param) 1071 { 1072 if (setaddr && doalias == 0 && param < 0) 1073 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1074 rqtosa(af_addreq)->sa_len); 1075 doalias = param; 1076 if (param < 0) { 1077 clearaddr = 1; 1078 newaddr = 0; 1079 conflicting++; 1080 } else { 1081 clearaddr = 0; 1082 conflicting++; 1083 } 1084 } 1085 1086 /*ARGSUSED*/ 1087 void 1088 notrailers(const char *vname, int value) 1089 { 1090 puts("Note: trailers are no longer sent, but always received"); 1091 } 1092 1093 /*ARGSUSED*/ 1094 void 1095 setifdstaddr(const char *addr, int param) 1096 { 1097 (*afp->af_getaddr)(addr, DSTADDR); 1098 } 1099 1100 void 1101 setifflags(const char *vname, int value) 1102 { 1103 struct ifreq ifreq; 1104 1105 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1106 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1107 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1108 flags = ifreq.ifr_flags; 1109 1110 if (value < 0) { 1111 value = -value; 1112 flags &= ~value; 1113 } else 1114 flags |= value; 1115 ifreq.ifr_flags = flags; 1116 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1117 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1118 } 1119 1120 void 1121 setifcaps(const char *vname, int value) 1122 { 1123 1124 if (value < 0) { 1125 value = -value; 1126 g_ifcr.ifcr_capenable &= ~value; 1127 } else 1128 g_ifcr.ifcr_capenable |= value; 1129 1130 g_ifcr_updated = 1; 1131 } 1132 1133 #ifdef INET6 1134 void 1135 setia6flags(const char *vname, int value) 1136 { 1137 1138 if (value < 0) { 1139 value = -value; 1140 in6_addreq.ifra_flags &= ~value; 1141 } else 1142 in6_addreq.ifra_flags |= value; 1143 } 1144 1145 void 1146 setia6pltime(const char *val, int d) 1147 { 1148 1149 setia6lifetime("pltime", val); 1150 } 1151 1152 void 1153 setia6vltime(const char *val, int d) 1154 { 1155 1156 setia6lifetime("vltime", val); 1157 } 1158 1159 void 1160 setia6lifetime(const char *cmd, const char *val) 1161 { 1162 time_t newval, t; 1163 char *ep; 1164 1165 t = time(NULL); 1166 newval = (time_t)strtoul(val, &ep, 0); 1167 if (val == ep) 1168 errx(EXIT_FAILURE, "invalid %s", cmd); 1169 if (afp->af_af != AF_INET6) 1170 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1171 if (strcmp(cmd, "vltime") == 0) { 1172 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1173 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1174 } else if (strcmp(cmd, "pltime") == 0) { 1175 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1176 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1177 } 1178 } 1179 1180 void 1181 setia6eui64(const char *cmd, int val) 1182 { 1183 struct ifaddrs *ifap, *ifa; 1184 const struct sockaddr_in6 *sin6 = NULL; 1185 const struct in6_addr *lladdr = NULL; 1186 struct in6_addr *in6; 1187 1188 if (afp->af_af != AF_INET6) 1189 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1190 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1191 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1192 errx(EXIT_FAILURE, "interface index is already filled"); 1193 if (getifaddrs(&ifap) != 0) 1194 err(EXIT_FAILURE, "getifaddrs"); 1195 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1196 if (ifa->ifa_addr->sa_family == AF_INET6 && 1197 strcmp(ifa->ifa_name, name) == 0) { 1198 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1199 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1200 lladdr = &sin6->sin6_addr; 1201 break; 1202 } 1203 } 1204 } 1205 if (!lladdr) 1206 errx(EXIT_FAILURE, "could not determine link local address"); 1207 1208 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1209 1210 freeifaddrs(ifap); 1211 } 1212 #endif 1213 1214 void 1215 setifmetric(const char *val, int d) 1216 { 1217 char *ep = NULL; 1218 1219 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1220 ifr.ifr_metric = strtoul(val, &ep, 10); 1221 if (!ep || *ep) 1222 errx(EXIT_FAILURE, "%s: invalid metric", val); 1223 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1224 warn("SIOCSIFMETRIC"); 1225 } 1226 1227 void 1228 setifmtu(const char *val, int d) 1229 { 1230 char *ep = NULL; 1231 1232 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1233 ifr.ifr_mtu = strtoul(val, &ep, 10); 1234 if (!ep || *ep) 1235 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1236 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1237 warn("SIOCSIFMTU"); 1238 } 1239 1240 const char * 1241 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1242 { 1243 int len; 1244 int hexstr; 1245 u_int8_t *p; 1246 1247 len = *lenp; 1248 p = buf; 1249 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1250 if (hexstr) 1251 val += 2; 1252 for (;;) { 1253 if (*val == '\0') 1254 break; 1255 if (sep != NULL && strchr(sep, *val) != NULL) { 1256 val++; 1257 break; 1258 } 1259 if (hexstr) { 1260 if (!isxdigit((u_char)val[0]) || 1261 !isxdigit((u_char)val[1])) { 1262 warnx("bad hexadecimal digits"); 1263 return NULL; 1264 } 1265 } 1266 if (p > buf + len) { 1267 if (hexstr) 1268 warnx("hexadecimal digits too long"); 1269 else 1270 warnx("strings too long"); 1271 return NULL; 1272 } 1273 if (hexstr) { 1274 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1275 *p++ = (tohex((u_char)val[0]) << 4) | 1276 tohex((u_char)val[1]); 1277 #undef tohex 1278 val += 2; 1279 } else 1280 *p++ = *val++; 1281 } 1282 len = p - buf; 1283 if (len < *lenp) 1284 memset(p, 0, *lenp - len); 1285 *lenp = len; 1286 return val; 1287 } 1288 1289 void 1290 print_string(const u_int8_t *buf, int len) 1291 { 1292 int i; 1293 int hasspc; 1294 1295 i = 0; 1296 hasspc = 0; 1297 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1298 for (; i < len; i++) { 1299 if (!isprint(buf[i])) 1300 break; 1301 if (isspace(buf[i])) 1302 hasspc++; 1303 } 1304 } 1305 if (i == len) { 1306 if (hasspc || len == 0) 1307 printf("\"%.*s\"", len, buf); 1308 else 1309 printf("%.*s", len, buf); 1310 } else { 1311 printf("0x"); 1312 for (i = 0; i < len; i++) 1313 printf("%02x", buf[i]); 1314 } 1315 } 1316 1317 void 1318 setifnwid(const char *val, int d) 1319 { 1320 struct ieee80211_nwid nwid; 1321 int len; 1322 1323 len = sizeof(nwid.i_nwid); 1324 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1325 return; 1326 nwid.i_len = len; 1327 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1328 ifr.ifr_data = (void *)&nwid; 1329 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1330 warn("SIOCS80211NWID"); 1331 } 1332 1333 void 1334 setifbssid(const char *val, int d) 1335 { 1336 struct ieee80211_bssid bssid; 1337 struct ether_addr *ea; 1338 1339 if (d != 0) { 1340 /* no BSSID is especially desired */ 1341 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1342 } else { 1343 ea = ether_aton(val); 1344 if (ea == NULL) { 1345 warnx("malformed BSSID: %s", val); 1346 return; 1347 } 1348 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1349 sizeof(bssid.i_bssid)); 1350 } 1351 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1352 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1353 warn("SIOCS80211BSSID"); 1354 } 1355 1356 void 1357 setifchan(const char *val, int d) 1358 { 1359 struct ieee80211chanreq channel; 1360 int chan; 1361 1362 if (d != 0) 1363 chan = IEEE80211_CHAN_ANY; 1364 else { 1365 chan = atoi(val); 1366 if (chan < 0 || chan > 0xffff) { 1367 warnx("invalid channel: %s", val); 1368 return; 1369 } 1370 } 1371 1372 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1373 channel.i_channel = (u_int16_t) chan; 1374 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1375 warn("SIOCS80211CHANNEL"); 1376 } 1377 1378 void 1379 setifnwkey(const char *val, int d) 1380 { 1381 struct ieee80211_nwkey nwkey; 1382 int i; 1383 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1384 1385 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1386 nwkey.i_defkid = 1; 1387 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1388 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1389 nwkey.i_key[i].i_keydat = keybuf[i]; 1390 } 1391 if (d != 0) { 1392 /* disable WEP encryption */ 1393 nwkey.i_wepon = 0; 1394 i = 0; 1395 } else if (strcasecmp("persist", val) == 0) { 1396 /* use all values from persistent memory */ 1397 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1398 nwkey.i_defkid = 0; 1399 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1400 nwkey.i_key[i].i_keylen = -1; 1401 } else if (strncasecmp("persist:", val, 8) == 0) { 1402 val += 8; 1403 /* program keys in persistent memory */ 1404 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1405 goto set_nwkey; 1406 } else { 1407 set_nwkey: 1408 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1409 /* specifying a full set of four keys */ 1410 nwkey.i_defkid = val[0] - '0'; 1411 val += 2; 1412 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1413 val = get_string(val, ",", keybuf[i], 1414 &nwkey.i_key[i].i_keylen); 1415 if (val == NULL) 1416 return; 1417 } 1418 if (*val != '\0') { 1419 warnx("SIOCS80211NWKEY: too many keys."); 1420 return; 1421 } 1422 } else { 1423 val = get_string(val, NULL, keybuf[0], 1424 &nwkey.i_key[0].i_keylen); 1425 if (val == NULL) 1426 return; 1427 i = 1; 1428 } 1429 } 1430 for (; i < IEEE80211_WEP_NKID; i++) 1431 nwkey.i_key[i].i_keylen = 0; 1432 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1433 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1434 warn("SIOCS80211NWKEY"); 1435 } 1436 1437 void 1438 setifpowersave(const char *val, int d) 1439 { 1440 struct ieee80211_power power; 1441 1442 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1443 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1444 warn("SIOCG80211POWER"); 1445 return; 1446 } 1447 1448 power.i_enabled = d; 1449 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1450 warn("SIOCS80211POWER"); 1451 } 1452 1453 void 1454 setifpowersavesleep(const char *val, int d) 1455 { 1456 struct ieee80211_power power; 1457 1458 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1459 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1460 warn("SIOCG80211POWER"); 1461 return; 1462 } 1463 1464 power.i_maxsleep = atoi(val); 1465 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1466 warn("SIOCS80211POWER"); 1467 } 1468 1469 void 1470 ieee80211_status(void) 1471 { 1472 int i, nwkey_verbose; 1473 struct ieee80211_nwid nwid; 1474 struct ieee80211_nwkey nwkey; 1475 struct ieee80211_power power; 1476 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1477 struct ieee80211_bssid bssid; 1478 struct ieee80211chanreq channel; 1479 struct ether_addr ea; 1480 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1481 1482 memset(&ifr, 0, sizeof(ifr)); 1483 ifr.ifr_data = (void *)&nwid; 1484 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1485 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1486 return; 1487 if (nwid.i_len > IEEE80211_NWID_LEN) { 1488 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1489 return; 1490 } 1491 printf("\tssid "); 1492 print_string(nwid.i_nwid, nwid.i_len); 1493 memset(&nwkey, 0, sizeof(nwkey)); 1494 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1495 /* show nwkey only when WEP is enabled */ 1496 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1497 nwkey.i_wepon == 0) { 1498 printf("\n"); 1499 goto skip_wep; 1500 } 1501 1502 printf(" nwkey "); 1503 /* try to retrieve WEP keys */ 1504 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1505 nwkey.i_key[i].i_keydat = keybuf[i]; 1506 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1507 } 1508 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1509 printf("*****"); 1510 } else { 1511 nwkey_verbose = 0; 1512 /* check to see non default key or multiple keys defined */ 1513 if (nwkey.i_defkid != 1) { 1514 nwkey_verbose = 1; 1515 } else { 1516 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1517 if (nwkey.i_key[i].i_keylen != 0) { 1518 nwkey_verbose = 1; 1519 break; 1520 } 1521 } 1522 } 1523 /* check extra ambiguity with keywords */ 1524 if (!nwkey_verbose) { 1525 if (nwkey.i_key[0].i_keylen >= 2 && 1526 isdigit(nwkey.i_key[0].i_keydat[0]) && 1527 nwkey.i_key[0].i_keydat[1] == ':') 1528 nwkey_verbose = 1; 1529 else if (nwkey.i_key[0].i_keylen >= 7 && 1530 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1531 == 0) 1532 nwkey_verbose = 1; 1533 } 1534 if (nwkey_verbose) 1535 printf("%d:", nwkey.i_defkid); 1536 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1537 if (i > 0) 1538 printf(","); 1539 if (nwkey.i_key[i].i_keylen < 0) 1540 printf("persist"); 1541 else 1542 print_string(nwkey.i_key[i].i_keydat, 1543 nwkey.i_key[i].i_keylen); 1544 if (!nwkey_verbose) 1545 break; 1546 } 1547 } 1548 printf("\n"); 1549 1550 skip_wep: 1551 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1552 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1553 goto skip_power; 1554 printf("\tpowersave "); 1555 if (power.i_enabled) 1556 printf("on (%dms sleep)", power.i_maxsleep); 1557 else 1558 printf("off"); 1559 printf("\n"); 1560 1561 skip_power: 1562 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1563 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1564 return; 1565 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1566 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1567 return; 1568 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1569 if (channel.i_channel != (u_int16_t)-1) 1570 printf("\tchan %d\n", channel.i_channel); 1571 } else { 1572 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1573 sizeof(ea.ether_addr_octet)); 1574 printf("\tbssid %s", ether_ntoa(&ea)); 1575 if (channel.i_channel != IEEE80211_CHAN_ANY) 1576 printf(" chan %d", channel.i_channel); 1577 printf("\n"); 1578 } 1579 } 1580 1581 static void 1582 media_error(int type, const char *val, const char *opt) 1583 { 1584 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1585 get_media_type_string(type), opt, val); 1586 } 1587 1588 void 1589 init_current_media(void) 1590 { 1591 struct ifmediareq ifmr; 1592 1593 /* 1594 * If we have not yet done so, grab the currently-selected 1595 * media. 1596 */ 1597 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1598 (void) memset(&ifmr, 0, sizeof(ifmr)); 1599 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1600 1601 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1602 /* 1603 * If we get E2BIG, the kernel is telling us 1604 * that there are more, so we can ignore it. 1605 */ 1606 if (errno != E2BIG) 1607 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1608 } 1609 1610 media_current = ifmr.ifm_current; 1611 } 1612 1613 /* Sanity. */ 1614 if (IFM_TYPE(media_current) == 0) 1615 errx(EXIT_FAILURE, "%s: no link type?", name); 1616 } 1617 1618 void 1619 process_media_commands(void) 1620 { 1621 1622 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1623 /* Nothing to do. */ 1624 return; 1625 } 1626 1627 /* 1628 * Media already set up, and commands sanity-checked. Set/clear 1629 * any options, and we're ready to go. 1630 */ 1631 media_current |= mediaopt_set; 1632 media_current &= ~mediaopt_clear; 1633 1634 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1635 ifr.ifr_media = media_current; 1636 1637 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1638 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1639 } 1640 1641 void 1642 setmedia(const char *val, int d) 1643 { 1644 int type, subtype, inst; 1645 1646 init_current_media(); 1647 1648 /* Only one media command may be given. */ 1649 if (actions & A_MEDIA) 1650 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1651 1652 /* Must not come after mode commands */ 1653 if (actions & A_MEDIAMODE) 1654 errx(EXIT_FAILURE, 1655 "may not issue `media' after `mode' commands"); 1656 1657 /* Must not come after mediaopt commands */ 1658 if (actions & A_MEDIAOPT) 1659 errx(EXIT_FAILURE, 1660 "may not issue `media' after `mediaopt' commands"); 1661 1662 /* 1663 * No need to check if `instance' has been issued; setmediainst() 1664 * craps out if `media' has not been specified. 1665 */ 1666 1667 type = IFM_TYPE(media_current); 1668 inst = IFM_INST(media_current); 1669 1670 /* Look up the subtype. */ 1671 subtype = get_media_subtype(type, val); 1672 if (subtype == -1) 1673 media_error(type, val, "subtype"); 1674 1675 /* Build the new current media word. */ 1676 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1677 1678 /* Media will be set after other processing is complete. */ 1679 } 1680 1681 void 1682 setmediaopt(const char *val, int d) 1683 { 1684 char *invalid; 1685 1686 init_current_media(); 1687 1688 /* Can only issue `mediaopt' once. */ 1689 if (actions & A_MEDIAOPTSET) 1690 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1691 1692 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1693 if (actions & A_MEDIAINST) 1694 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1695 1696 mediaopt_set = get_media_options(media_current, val, &invalid); 1697 if (mediaopt_set == -1) 1698 media_error(media_current, invalid, "option"); 1699 1700 /* Media will be set after other processing is complete. */ 1701 } 1702 1703 void 1704 unsetmediaopt(const char *val, int d) 1705 { 1706 char *invalid; 1707 1708 init_current_media(); 1709 1710 /* Can only issue `-mediaopt' once. */ 1711 if (actions & A_MEDIAOPTCLR) 1712 errx(EXIT_FAILURE, 1713 "only one `-mediaopt' command may be issued"); 1714 1715 /* May not issue `media' and `-mediaopt'. */ 1716 if (actions & A_MEDIA) 1717 errx(EXIT_FAILURE, 1718 "may not issue both `media' and `-mediaopt'"); 1719 1720 /* 1721 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1722 * implicitly checks for A_MEDIAINST. 1723 */ 1724 1725 mediaopt_clear = get_media_options(media_current, val, &invalid); 1726 if (mediaopt_clear == -1) 1727 media_error(media_current, invalid, "option"); 1728 1729 /* Media will be set after other processing is complete. */ 1730 } 1731 1732 void 1733 setmediainst(const char *val, int d) 1734 { 1735 int type, subtype, options, inst; 1736 1737 init_current_media(); 1738 1739 /* Can only issue `instance' once. */ 1740 if (actions & A_MEDIAINST) 1741 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1742 1743 /* Must have already specified `media' */ 1744 if ((actions & A_MEDIA) == 0) 1745 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1746 1747 type = IFM_TYPE(media_current); 1748 subtype = IFM_SUBTYPE(media_current); 1749 options = IFM_OPTIONS(media_current); 1750 1751 inst = atoi(val); 1752 if (inst < 0 || inst > IFM_INST_MAX) 1753 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1754 1755 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1756 1757 /* Media will be set after other processing is complete. */ 1758 } 1759 1760 void 1761 setmediamode(const char *val, int d) 1762 { 1763 int type, subtype, options, inst, mode; 1764 1765 init_current_media(); 1766 1767 /* Can only issue `mode' once. */ 1768 if (actions & A_MEDIAMODE) 1769 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1770 1771 type = IFM_TYPE(media_current); 1772 subtype = IFM_SUBTYPE(media_current); 1773 options = IFM_OPTIONS(media_current); 1774 inst = IFM_INST(media_current); 1775 1776 mode = get_media_mode(type, val); 1777 if (mode == -1) 1778 media_error(type, val, "mode"); 1779 1780 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1781 1782 /* Media will be set after other processing is complete. */ 1783 } 1784 1785 void 1786 print_media_word(int ifmw, const char *opt_sep) 1787 { 1788 const char *str; 1789 1790 printf("%s", get_media_subtype_string(ifmw)); 1791 1792 /* Find mode. */ 1793 if (IFM_MODE(ifmw) != 0) { 1794 str = get_media_mode_string(ifmw); 1795 if (str != NULL) 1796 printf(" mode %s", str); 1797 } 1798 1799 /* Find options. */ 1800 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1801 printf("%s%s", opt_sep, str); 1802 1803 if (IFM_INST(ifmw) != 0) 1804 printf(" instance %d", IFM_INST(ifmw)); 1805 } 1806 1807 int 1808 carrier(void) 1809 { 1810 struct ifmediareq ifmr; 1811 1812 (void) memset(&ifmr, 0, sizeof(ifmr)); 1813 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1814 1815 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1816 /* 1817 * Interface doesn't support SIOC{G,S}IFMEDIA; 1818 * assume ok. 1819 */ 1820 return 0; 1821 } 1822 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1823 /* 1824 * Interface doesn't report media-valid status. 1825 * assume ok. 1826 */ 1827 return 0; 1828 } 1829 /* otherwise, return ok for active, not-ok if not active. */ 1830 return !(ifmr.ifm_status & IFM_ACTIVE); 1831 } 1832 1833 1834 #define IFFBITS \ 1835 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1836 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1837 1838 #define IFCAPBITS \ 1839 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 1840 1841 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1842 1843 const struct ifmedia_status_description ifm_status_descriptions[] = 1844 IFM_STATUS_DESCRIPTIONS; 1845 1846 /* 1847 * Print the status of the interface. If an address family was 1848 * specified, show it and it only; otherwise, show them all. 1849 */ 1850 void 1851 status(const struct sockaddr_dl *sdl) 1852 { 1853 struct afswtch *p = afp; 1854 struct ifmediareq ifmr; 1855 struct ifdatareq ifdr; 1856 int *media_list, i; 1857 char hbuf[NI_MAXHOST]; 1858 char fbuf[BUFSIZ]; 1859 1860 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1861 printf("%s: flags=%s", name, &fbuf[2]); 1862 if (metric) 1863 printf(" metric %lu", metric); 1864 if (mtu) 1865 printf(" mtu %lu", mtu); 1866 printf("\n"); 1867 1868 if (g_ifcr.ifcr_capabilities) { 1869 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1870 g_ifcr.ifcr_capabilities); 1871 printf("\tcapabilities=%s\n", &fbuf[2]); 1872 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1873 g_ifcr.ifcr_capenable); 1874 printf("\tenabled=%s\n", &fbuf[2]); 1875 } 1876 1877 ieee80211_status(); 1878 vlan_status(); 1879 tunnel_status(); 1880 1881 if (sdl != NULL && 1882 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 1883 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1884 hbuf[0] != '\0') 1885 printf("\taddress: %s\n", hbuf); 1886 1887 (void) memset(&ifmr, 0, sizeof(ifmr)); 1888 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1889 1890 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1891 /* 1892 * Interface doesn't support SIOC{G,S}IFMEDIA. 1893 */ 1894 goto iface_stats; 1895 } 1896 1897 if (ifmr.ifm_count == 0) { 1898 warnx("%s: no media types?", name); 1899 goto iface_stats; 1900 } 1901 1902 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1903 if (media_list == NULL) 1904 err(EXIT_FAILURE, "malloc"); 1905 ifmr.ifm_ulist = media_list; 1906 1907 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1908 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1909 1910 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1911 print_media_word(ifmr.ifm_current, " "); 1912 if (ifmr.ifm_active != ifmr.ifm_current) { 1913 printf(" ("); 1914 print_media_word(ifmr.ifm_active, " "); 1915 printf(")"); 1916 } 1917 printf("\n"); 1918 1919 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1920 const struct ifmedia_status_description *ifms; 1921 int bitno, found = 0; 1922 1923 printf("\tstatus: "); 1924 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1925 for (ifms = ifm_status_descriptions; 1926 ifms->ifms_valid != 0; ifms++) { 1927 if (ifms->ifms_type != 1928 IFM_TYPE(ifmr.ifm_current) || 1929 ifms->ifms_valid != 1930 ifm_status_valid_list[bitno]) 1931 continue; 1932 printf("%s%s", found ? ", " : "", 1933 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1934 found = 1; 1935 1936 /* 1937 * For each valid indicator bit, there's 1938 * only one entry for each media type, so 1939 * terminate the inner loop now. 1940 */ 1941 break; 1942 } 1943 } 1944 1945 if (found == 0) 1946 printf("unknown"); 1947 printf("\n"); 1948 } 1949 1950 if (mflag) { 1951 int type, printed_type; 1952 1953 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1954 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1955 if (IFM_TYPE(media_list[i]) != type) 1956 continue; 1957 if (printed_type == 0) { 1958 printf("\tsupported %s media:\n", 1959 get_media_type_string(type)); 1960 printed_type = 1; 1961 } 1962 printf("\t\tmedia "); 1963 print_media_word(media_list[i], " mediaopt "); 1964 printf("\n"); 1965 } 1966 } 1967 } 1968 1969 free(media_list); 1970 1971 iface_stats: 1972 if (!vflag && !zflag) 1973 goto proto_status; 1974 1975 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1976 1977 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1978 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1979 } else { 1980 struct if_data * const ifi = &ifdr.ifdr_data; 1981 #define PLURAL(n) ((n) == 1 ? "" : "s") 1982 printf("\tinput: %llu packet%s, %llu byte%s", 1983 (unsigned long long) ifi->ifi_ipackets, 1984 PLURAL(ifi->ifi_ipackets), 1985 (unsigned long long) ifi->ifi_ibytes, 1986 PLURAL(ifi->ifi_ibytes)); 1987 if (ifi->ifi_imcasts) 1988 printf(", %llu multicast%s", 1989 (unsigned long long) ifi->ifi_imcasts, 1990 PLURAL(ifi->ifi_imcasts)); 1991 if (ifi->ifi_ierrors) 1992 printf(", %llu error%s", 1993 (unsigned long long) ifi->ifi_ierrors, 1994 PLURAL(ifi->ifi_ierrors)); 1995 if (ifi->ifi_iqdrops) 1996 printf(", %llu queue drop%s", 1997 (unsigned long long) ifi->ifi_iqdrops, 1998 PLURAL(ifi->ifi_iqdrops)); 1999 if (ifi->ifi_noproto) 2000 printf(", %llu unknown protocol", 2001 (unsigned long long) ifi->ifi_noproto); 2002 printf("\n\toutput: %llu packet%s, %llu byte%s", 2003 (unsigned long long) ifi->ifi_opackets, 2004 PLURAL(ifi->ifi_opackets), 2005 (unsigned long long) ifi->ifi_obytes, 2006 PLURAL(ifi->ifi_obytes)); 2007 if (ifi->ifi_omcasts) 2008 printf(", %llu multicast%s", 2009 (unsigned long long) ifi->ifi_omcasts, 2010 PLURAL(ifi->ifi_omcasts)); 2011 if (ifi->ifi_oerrors) 2012 printf(", %llu error%s", 2013 (unsigned long long) ifi->ifi_oerrors, 2014 PLURAL(ifi->ifi_oerrors)); 2015 if (ifi->ifi_collisions) 2016 printf(", %llu collision%s", 2017 (unsigned long long) ifi->ifi_collisions, 2018 PLURAL(ifi->ifi_collisions)); 2019 printf("\n"); 2020 #undef PLURAL 2021 } 2022 2023 proto_status: 2024 if ((p = afp) != NULL) { 2025 (*p->af_status)(1); 2026 } else for (p = afs; p->af_name; p++) { 2027 ifr.ifr_addr.sa_family = p->af_af; 2028 (*p->af_status)(0); 2029 } 2030 } 2031 2032 void 2033 tunnel_status(void) 2034 { 2035 char psrcaddr[NI_MAXHOST]; 2036 char pdstaddr[NI_MAXHOST]; 2037 const char *ver = ""; 2038 const int niflag = NI_NUMERICHOST; 2039 struct if_laddrreq req; 2040 2041 psrcaddr[0] = pdstaddr[0] = '\0'; 2042 2043 memset(&req, 0, sizeof(req)); 2044 strncpy(req.iflr_name, name, IFNAMSIZ); 2045 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2046 return; 2047 #ifdef INET6 2048 if (req.addr.ss_family == AF_INET6) 2049 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2050 #endif 2051 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2052 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2053 #ifdef INET6 2054 if (req.addr.ss_family == AF_INET6) 2055 ver = "6"; 2056 #endif 2057 2058 #ifdef INET6 2059 if (req.dstaddr.ss_family == AF_INET6) 2060 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2061 #endif 2062 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2063 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2064 2065 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2066 } 2067 2068 void 2069 vlan_status(void) 2070 { 2071 struct vlanreq vlr; 2072 2073 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2074 !isdigit((unsigned char)ifr.ifr_name[4])) 2075 return; 2076 2077 memset(&vlr, 0, sizeof(vlr)); 2078 ifr.ifr_data = (void *)&vlr; 2079 2080 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 2081 return; 2082 2083 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2084 printf("\tvlan: %d parent: %s\n", 2085 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2086 "<none>" : vlr.vlr_parent); 2087 } 2088 2089 void 2090 in_alias(struct ifreq *creq) 2091 { 2092 struct sockaddr_in *iasin; 2093 int alias; 2094 2095 if (lflag) 2096 return; 2097 2098 alias = 1; 2099 2100 /* Get the non-alias address for this interface. */ 2101 getsock(AF_INET); 2102 if (s < 0) { 2103 if (errno == EPROTONOSUPPORT) 2104 return; 2105 err(EXIT_FAILURE, "socket"); 2106 } 2107 (void) memset(&ifr, 0, sizeof(ifr)); 2108 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2109 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2110 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2111 return; 2112 } else 2113 warn("SIOCGIFADDR"); 2114 } 2115 /* If creq and ifr are the same address, this is not an alias. */ 2116 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2117 sizeof(creq->ifr_addr)) == 0) 2118 alias = 0; 2119 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2120 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2121 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2122 sizeof(in_addreq.ifra_addr)); 2123 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2124 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2125 return; 2126 } else 2127 warn("SIOCGIFALIAS"); 2128 } 2129 2130 iasin = &in_addreq.ifra_addr; 2131 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2132 2133 if (flags & IFF_POINTOPOINT) { 2134 iasin = &in_addreq.ifra_dstaddr; 2135 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2136 } 2137 2138 iasin = &in_addreq.ifra_mask; 2139 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2140 2141 if (flags & IFF_BROADCAST) { 2142 iasin = &in_addreq.ifra_broadaddr; 2143 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2144 } 2145 printf("\n"); 2146 } 2147 2148 void 2149 in_status(int force) 2150 { 2151 struct ifaddrs *ifap, *ifa; 2152 struct ifreq isifr; 2153 2154 if (getifaddrs(&ifap) != 0) 2155 err(EXIT_FAILURE, "getifaddrs"); 2156 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2157 if (strcmp(name, ifa->ifa_name) != 0) 2158 continue; 2159 if (ifa->ifa_addr->sa_family != AF_INET) 2160 continue; 2161 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2162 continue; 2163 2164 memset(&isifr, 0, sizeof(isifr)); 2165 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2166 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2167 in_alias(&isifr); 2168 } 2169 freeifaddrs(ifap); 2170 } 2171 2172 void 2173 setifprefixlen(const char *addr, int d) 2174 { 2175 if (*afp->af_getprefix) 2176 (*afp->af_getprefix)(addr, MASK); 2177 explicit_prefix = 1; 2178 } 2179 2180 #ifdef INET6 2181 void 2182 in6_fillscopeid(struct sockaddr_in6 *sin6) 2183 { 2184 #if defined(__KAME__) && defined(KAME_SCOPEID) 2185 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2186 sin6->sin6_scope_id = 2187 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2188 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2189 } 2190 #endif 2191 } 2192 2193 /* XXX not really an alias */ 2194 void 2195 in6_alias(struct in6_ifreq *creq) 2196 { 2197 struct sockaddr_in6 *sin6; 2198 char hbuf[NI_MAXHOST]; 2199 u_int32_t scopeid; 2200 const int niflag = NI_NUMERICHOST; 2201 2202 /* Get the non-alias address for this interface. */ 2203 getsock(AF_INET6); 2204 if (s < 0) { 2205 if (errno == EPROTONOSUPPORT) 2206 return; 2207 err(EXIT_FAILURE, "socket"); 2208 } 2209 2210 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2211 2212 in6_fillscopeid(sin6); 2213 scopeid = sin6->sin6_scope_id; 2214 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2215 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2216 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2217 printf("\tinet6 %s", hbuf); 2218 2219 if (flags & IFF_POINTOPOINT) { 2220 (void) memset(&ifr6, 0, sizeof(ifr6)); 2221 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2222 ifr6.ifr_addr = creq->ifr_addr; 2223 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2224 if (errno != EADDRNOTAVAIL) 2225 warn("SIOCGIFDSTADDR_IN6"); 2226 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2227 ifr6.ifr_addr.sin6_family = AF_INET6; 2228 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2229 } 2230 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2231 in6_fillscopeid(sin6); 2232 hbuf[0] = '\0'; 2233 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2234 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2235 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2236 printf(" -> %s", hbuf); 2237 } 2238 2239 (void) memset(&ifr6, 0, sizeof(ifr6)); 2240 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2241 ifr6.ifr_addr = creq->ifr_addr; 2242 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2243 if (errno != EADDRNOTAVAIL) 2244 warn("SIOCGIFNETMASK_IN6"); 2245 } else { 2246 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2247 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2248 sizeof(struct in6_addr))); 2249 } 2250 2251 (void) memset(&ifr6, 0, sizeof(ifr6)); 2252 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2253 ifr6.ifr_addr = creq->ifr_addr; 2254 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2255 if (errno != EADDRNOTAVAIL) 2256 warn("SIOCGIFAFLAG_IN6"); 2257 } else { 2258 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2259 printf(" anycast"); 2260 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2261 printf(" tentative"); 2262 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2263 printf(" duplicated"); 2264 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2265 printf(" detached"); 2266 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2267 printf(" deprecated"); 2268 } 2269 2270 if (scopeid) 2271 printf(" scopeid 0x%x", scopeid); 2272 2273 if (Lflag) { 2274 struct in6_addrlifetime *lifetime; 2275 (void) memset(&ifr6, 0, sizeof(ifr6)); 2276 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2277 ifr6.ifr_addr = creq->ifr_addr; 2278 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2279 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2280 if (errno != EADDRNOTAVAIL) 2281 warn("SIOCGIFALIFETIME_IN6"); 2282 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2283 time_t t = time(NULL); 2284 printf(" pltime "); 2285 if (lifetime->ia6t_preferred) { 2286 printf("%s", lifetime->ia6t_preferred < t 2287 ? "0" 2288 : sec2str(lifetime->ia6t_preferred - t)); 2289 } else 2290 printf("infty"); 2291 2292 printf(" vltime "); 2293 if (lifetime->ia6t_expire) { 2294 printf("%s", lifetime->ia6t_expire < t 2295 ? "0" 2296 : sec2str(lifetime->ia6t_expire - t)); 2297 } else 2298 printf("infty"); 2299 } 2300 } 2301 2302 printf("\n"); 2303 } 2304 2305 void 2306 in6_status(int force) 2307 { 2308 struct ifaddrs *ifap, *ifa; 2309 struct in6_ifreq isifr; 2310 2311 if (getifaddrs(&ifap) != 0) 2312 err(EXIT_FAILURE, "getifaddrs"); 2313 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2314 if (strcmp(name, ifa->ifa_name) != 0) 2315 continue; 2316 if (ifa->ifa_addr->sa_family != AF_INET6) 2317 continue; 2318 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2319 continue; 2320 2321 memset(&isifr, 0, sizeof(isifr)); 2322 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2323 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2324 in6_alias(&isifr); 2325 } 2326 freeifaddrs(ifap); 2327 } 2328 #endif /*INET6*/ 2329 2330 #ifndef INET_ONLY 2331 2332 void 2333 at_status(int force) 2334 { 2335 struct sockaddr_at *sat, null_sat; 2336 struct netrange *nr; 2337 2338 getsock(AF_APPLETALK); 2339 if (s < 0) { 2340 if (errno == EPROTONOSUPPORT) 2341 return; 2342 err(EXIT_FAILURE, "socket"); 2343 } 2344 (void) memset(&ifr, 0, sizeof(ifr)); 2345 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2346 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2347 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2348 if (!force) 2349 return; 2350 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2351 } else 2352 warn("SIOCGIFADDR"); 2353 } 2354 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2355 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2356 2357 (void) memset(&null_sat, 0, sizeof(null_sat)); 2358 2359 nr = (struct netrange *) &sat->sat_zero; 2360 printf("\tatalk %d.%d range %d-%d phase %d", 2361 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2362 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2363 if (flags & IFF_POINTOPOINT) { 2364 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2365 if (errno == EADDRNOTAVAIL) 2366 (void) memset(&ifr.ifr_addr, 0, 2367 sizeof(ifr.ifr_addr)); 2368 else 2369 warn("SIOCGIFDSTADDR"); 2370 } 2371 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2372 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2373 if (!sat) 2374 sat = &null_sat; 2375 printf("--> %d.%d", 2376 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2377 } 2378 if (flags & IFF_BROADCAST) { 2379 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2380 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2381 if (sat) 2382 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2383 sat->sat_addr.s_node); 2384 } 2385 printf("\n"); 2386 } 2387 2388 void 2389 xns_status(int force) 2390 { 2391 struct sockaddr_ns *sns; 2392 2393 getsock(AF_NS); 2394 if (s < 0) { 2395 if (errno == EPROTONOSUPPORT) 2396 return; 2397 err(EXIT_FAILURE, "socket"); 2398 } 2399 (void) memset(&ifr, 0, sizeof(ifr)); 2400 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2401 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2402 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2403 if (!force) 2404 return; 2405 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2406 } else 2407 warn("SIOCGIFADDR"); 2408 } 2409 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2410 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2411 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2412 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2413 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2414 if (errno == EADDRNOTAVAIL) 2415 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2416 else 2417 warn("SIOCGIFDSTADDR"); 2418 } 2419 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2420 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2421 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2422 } 2423 printf("\n"); 2424 } 2425 2426 void 2427 iso_status(int force) 2428 { 2429 struct sockaddr_iso *siso; 2430 struct iso_ifreq isoifr; 2431 2432 getsock(AF_ISO); 2433 if (s < 0) { 2434 if (errno == EPROTONOSUPPORT) 2435 return; 2436 err(EXIT_FAILURE, "socket"); 2437 } 2438 (void) memset(&isoifr, 0, sizeof(isoifr)); 2439 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2440 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2441 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2442 if (!force) 2443 return; 2444 (void) memset(&isoifr.ifr_Addr, 0, 2445 sizeof(isoifr.ifr_Addr)); 2446 } else 2447 warn("SIOCGIFADDR_ISO"); 2448 } 2449 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2450 siso = &isoifr.ifr_Addr; 2451 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2452 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2453 if (errno == EADDRNOTAVAIL) 2454 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2455 else 2456 warn("SIOCGIFNETMASK_ISO"); 2457 } else { 2458 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2459 siso->siso_addr.isoa_len = siso->siso_len 2460 - offsetof(struct sockaddr_iso, siso_addr); 2461 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2462 } 2463 if (flags & IFF_POINTOPOINT) { 2464 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2465 if (errno == EADDRNOTAVAIL) 2466 memset(&isoifr.ifr_Addr, 0, 2467 sizeof(isoifr.ifr_Addr)); 2468 else 2469 warn("SIOCGIFDSTADDR_ISO"); 2470 } 2471 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2472 siso = &isoifr.ifr_Addr; 2473 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2474 } 2475 printf("\n"); 2476 } 2477 2478 #endif /* INET_ONLY */ 2479 2480 #define SIN(x) ((struct sockaddr_in *) &(x)) 2481 struct sockaddr_in *sintab[] = { 2482 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2483 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2484 2485 void 2486 in_getaddr(const char *str, int which) 2487 { 2488 struct sockaddr_in *gasin = sintab[which]; 2489 struct hostent *hp; 2490 struct netent *np; 2491 2492 gasin->sin_len = sizeof(*gasin); 2493 if (which != MASK) 2494 gasin->sin_family = AF_INET; 2495 2496 if (which == ADDR) { 2497 char *p = NULL; 2498 if ((p = strrchr(str, '/')) != NULL) { 2499 *p = '\0'; 2500 in_getprefix(p + 1, MASK); 2501 } 2502 } 2503 2504 if (inet_aton(str, &gasin->sin_addr) == 0) { 2505 if ((hp = gethostbyname(str)) != NULL) 2506 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2507 else if ((np = getnetbyname(str)) != NULL) 2508 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2509 else 2510 errx(EXIT_FAILURE, "%s: bad value", str); 2511 } 2512 } 2513 2514 void 2515 in_getprefix(const char *plen, int which) 2516 { 2517 register struct sockaddr_in *igsin = sintab[which]; 2518 register u_char *cp; 2519 int len = strtol(plen, (char **)NULL, 10); 2520 2521 if ((len < 0) || (len > 32)) 2522 errx(EXIT_FAILURE, "%s: bad value", plen); 2523 igsin->sin_len = sizeof(*igsin); 2524 if (which != MASK) 2525 igsin->sin_family = AF_INET; 2526 if ((len == 0) || (len == 32)) { 2527 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2528 return; 2529 } 2530 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2531 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2532 *cp++ = 0xff; 2533 if (len) 2534 *cp = 0xff << (8 - len); 2535 } 2536 2537 #ifdef INET6 2538 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2539 struct sockaddr_in6 *sin6tab[] = { 2540 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2541 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2542 2543 void 2544 in6_getaddr(const char *str, int which) 2545 { 2546 #if defined(__KAME__) && defined(KAME_SCOPEID) 2547 struct sockaddr_in6 *sin6 = sin6tab[which]; 2548 struct addrinfo hints, *res; 2549 int error; 2550 char *slash = NULL; 2551 2552 if (which == ADDR) { 2553 if ((slash = strrchr(str, '/')) != NULL) 2554 *slash = '\0'; 2555 } 2556 2557 memset(&hints, 0, sizeof(hints)); 2558 hints.ai_family = AF_INET6; 2559 hints.ai_socktype = SOCK_DGRAM; 2560 #if 0 /* in_getaddr() allows FQDN */ 2561 hints.ai_flags = AI_NUMERICHOST; 2562 #endif 2563 error = getaddrinfo(str, "0", &hints, &res); 2564 if (error && slash) { 2565 /* try again treating the '/' as part of the name */ 2566 *slash = '/'; 2567 slash = NULL; 2568 error = getaddrinfo(str, "0", &hints, &res); 2569 } 2570 if (error) 2571 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2572 if (res->ai_next) 2573 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2574 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2575 errx(EXIT_FAILURE, "%s: bad value", str); 2576 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2577 freeaddrinfo(res); 2578 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2579 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2580 htons(sin6->sin6_scope_id); 2581 sin6->sin6_scope_id = 0; 2582 } 2583 if (slash) { 2584 in6_getprefix(slash + 1, MASK); 2585 explicit_prefix = 1; 2586 } 2587 #else 2588 struct sockaddr_in6 *gasin = sin6tab[which]; 2589 2590 gasin->sin6_len = sizeof(*gasin); 2591 if (which != MASK) 2592 gasin->sin6_family = AF_INET6; 2593 2594 if (which == ADDR) { 2595 char *p = NULL; 2596 if((p = strrchr(str, '/')) != NULL) { 2597 *p = '\0'; 2598 in6_getprefix(p + 1, MASK); 2599 explicit_prefix = 1; 2600 } 2601 } 2602 2603 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2604 errx(EXIT_FAILURE, "%s: bad value", str); 2605 #endif 2606 } 2607 2608 void 2609 in6_getprefix(const char *plen, int which) 2610 { 2611 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2612 register u_char *cp; 2613 int len = strtol(plen, (char **)NULL, 10); 2614 2615 if ((len < 0) || (len > 128)) 2616 errx(EXIT_FAILURE, "%s: bad value", plen); 2617 gpsin->sin6_len = sizeof(*gpsin); 2618 if (which != MASK) 2619 gpsin->sin6_family = AF_INET6; 2620 if ((len == 0) || (len == 128)) { 2621 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2622 return; 2623 } 2624 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2625 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2626 *cp++ = 0xff; 2627 if (len) 2628 *cp = 0xff << (8 - len); 2629 } 2630 2631 int 2632 prefix(void *val, int size) 2633 { 2634 register u_char *pname = (u_char *)val; 2635 register int byte, bit, plen = 0; 2636 2637 for (byte = 0; byte < size; byte++, plen += 8) 2638 if (pname[byte] != 0xff) 2639 break; 2640 if (byte == size) 2641 return (plen); 2642 for (bit = 7; bit != 0; bit--, plen++) 2643 if (!(pname[byte] & (1 << bit))) 2644 break; 2645 for (; bit != 0; bit--) 2646 if (pname[byte] & (1 << bit)) 2647 return(0); 2648 byte++; 2649 for (; byte < size; byte++) 2650 if (pname[byte]) 2651 return(0); 2652 return (plen); 2653 } 2654 #endif /*INET6*/ 2655 2656 #ifndef INET_ONLY 2657 void 2658 at_getaddr(const char *addr, int which) 2659 { 2660 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2661 u_int net, node; 2662 2663 sat->sat_family = AF_APPLETALK; 2664 sat->sat_len = sizeof(*sat); 2665 if (which == MASK) 2666 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2667 if (sscanf(addr, "%u.%u", &net, &node) != 2 2668 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2669 errx(EXIT_FAILURE, "%s: illegal address", addr); 2670 sat->sat_addr.s_net = htons(net); 2671 sat->sat_addr.s_node = node; 2672 } 2673 2674 void 2675 setatrange(const char *range, int d) 2676 { 2677 u_short first = 123, last = 123; 2678 2679 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2680 || first == 0 /* || first > 0xffff */ 2681 || last == 0 /* || last > 0xffff */ || first > last) 2682 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2683 first, last); 2684 at_nr.nr_firstnet = htons(first); 2685 at_nr.nr_lastnet = htons(last); 2686 } 2687 2688 void 2689 setatphase(const char *phase, int d) 2690 { 2691 if (!strcmp(phase, "1")) 2692 at_nr.nr_phase = 1; 2693 else if (!strcmp(phase, "2")) 2694 at_nr.nr_phase = 2; 2695 else 2696 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2697 } 2698 2699 void 2700 checkatrange(struct sockaddr_at *sat) 2701 { 2702 if (at_nr.nr_phase == 0) 2703 at_nr.nr_phase = 2; /* Default phase 2 */ 2704 if (at_nr.nr_firstnet == 0) 2705 at_nr.nr_firstnet = /* Default range of one */ 2706 at_nr.nr_lastnet = sat->sat_addr.s_net; 2707 printf("\tatalk %d.%d range %d-%d phase %d\n", 2708 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2709 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2710 if ((u_short) ntohs(at_nr.nr_firstnet) > 2711 (u_short) ntohs(sat->sat_addr.s_net) 2712 || (u_short) ntohs(at_nr.nr_lastnet) < 2713 (u_short) ntohs(sat->sat_addr.s_net)) 2714 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2715 *((struct netrange *) &sat->sat_zero) = at_nr; 2716 } 2717 2718 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2719 struct sockaddr_ns *snstab[] = { 2720 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2721 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2722 2723 void 2724 xns_getaddr(const char *addr, int which) 2725 { 2726 struct sockaddr_ns *sns = snstab[which]; 2727 2728 sns->sns_family = AF_NS; 2729 sns->sns_len = sizeof(*sns); 2730 sns->sns_addr = ns_addr(addr); 2731 if (which == MASK) 2732 puts("Attempt to set XNS netmask will be ineffectual"); 2733 } 2734 2735 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2736 struct sockaddr_iso *sisotab[] = { 2737 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2738 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2739 2740 void 2741 iso_getaddr(const char *addr, int which) 2742 { 2743 struct sockaddr_iso *siso = sisotab[which]; 2744 siso->siso_addr = *iso_addr(addr); 2745 2746 if (which == MASK) { 2747 siso->siso_len = TSEL(siso) - (char *)(siso); 2748 siso->siso_nlen = 0; 2749 } else { 2750 siso->siso_len = sizeof(*siso); 2751 siso->siso_family = AF_ISO; 2752 } 2753 } 2754 2755 void 2756 setsnpaoffset(const char *val, int d) 2757 { 2758 iso_addreq.ifra_snpaoffset = atoi(val); 2759 } 2760 2761 void 2762 setnsellength(const char *val, int d) 2763 { 2764 nsellength = atoi(val); 2765 if (nsellength < 0) 2766 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2767 if (afp == 0 || afp->af_af != AF_ISO) 2768 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2769 } 2770 2771 void 2772 fixnsel(struct sockaddr_iso *siso) 2773 { 2774 if (siso->siso_family == 0) 2775 return; 2776 siso->siso_tlen = nsellength; 2777 } 2778 2779 void 2780 adjust_nsellength(void) 2781 { 2782 fixnsel(sisotab[RIDADDR]); 2783 fixnsel(sisotab[ADDR]); 2784 fixnsel(sisotab[DSTADDR]); 2785 } 2786 2787 #endif /* INET_ONLY */ 2788 2789 void 2790 usage(void) 2791 { 2792 const char *progname = getprogname(); 2793 2794 fprintf(stderr, 2795 "usage: %s [-m] [-v] [-z] " 2796 #ifdef INET6 2797 "[-L] " 2798 #endif 2799 "interface\n" 2800 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2801 "\t\t[ alias | -alias ] ]\n" 2802 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2803 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2804 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2805 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2806 "\t[ arp | -arp ]\n" 2807 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2808 "[ instance minst ]\n" 2809 "\t[ vlan n vlanif i ]\n" 2810 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2811 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2812 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2813 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2814 " %s -l [-b] [-d] [-u] [-s]\n" 2815 " %s -C\n" 2816 " %s interface create\n" 2817 " %s interface destroy\n", 2818 progname, progname, progname, progname, progname, progname); 2819 exit(1); 2820 } 2821 2822 #ifdef INET6 2823 char * 2824 sec2str(total) 2825 time_t total; 2826 { 2827 static char result[256]; 2828 int days, hours, mins, secs; 2829 int first = 1; 2830 char *p = result; 2831 char *end = &result[sizeof(result)]; 2832 int n; 2833 2834 if (0) { /*XXX*/ 2835 days = total / 3600 / 24; 2836 hours = (total / 3600) % 24; 2837 mins = (total / 60) % 60; 2838 secs = total % 60; 2839 2840 if (days) { 2841 first = 0; 2842 n = snprintf(p, end - p, "%dd", days); 2843 if (n < 0 || n >= end - p) 2844 return(result); 2845 p += n; 2846 } 2847 if (!first || hours) { 2848 first = 0; 2849 n = snprintf(p, end - p, "%dh", hours); 2850 if (n < 0 || n >= end - p) 2851 return(result); 2852 p += n; 2853 } 2854 if (!first || mins) { 2855 first = 0; 2856 n = snprintf(p, end - p, "%dm", mins); 2857 if (n < 0 || n >= end - p) 2858 return(result); 2859 p += n; 2860 } 2861 snprintf(p, end - p, "%ds", secs); 2862 } else 2863 snprintf(p, end - p, "%lu", (u_long)total); 2864 2865 return(result); 2866 } 2867 #endif 2868
Indexes created Tue Oct 28 12:10:06 GMT 2025