1 /* 2 * Copyright 2001 The Aerospace Corporation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. The name of The Aerospace Corporation may not be used to endorse or 13 * promote products derived from this software. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 /*- 31 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 32 * All rights reserved. 33 * 34 * This code is derived from software contributed to The NetBSD Foundation 35 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 36 * NASA Ames Research Center. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by the NetBSD 49 * Foundation, Inc. and its contributors. 50 * 4. Neither the name of The NetBSD Foundation nor the names of its 51 * contributors may be used to endorse or promote products derived 52 * from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 55 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 56 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 57 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 58 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 59 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 60 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 61 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 62 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 63 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 64 * POSSIBILITY OF SUCH DAMAGE. 65 */ 66 67 #include <sys/param.h> 68 #include <sys/ioctl.h> 69 #include <sys/socket.h> 70 #include <sys/sysctl.h> 71 #include <sys/time.h> 72 73 #include <net/ethernet.h> 74 #include <net/if.h> 75 #include <net/if_dl.h> 76 #include <net/if_types.h> 77 #include <net/if_media.h> 78 #include <net/route.h> 79 80 #include <net80211/ieee80211.h> 81 #include <net80211/ieee80211_crypto.h> 82 #include <net80211/ieee80211_ioctl.h> 83 84 #include <ctype.h> 85 #include <err.h> 86 #include <errno.h> 87 #include <fcntl.h> 88 #include <inttypes.h> 89 #include <stdio.h> 90 #include <stdlib.h> 91 #include <string.h> 92 #include <unistd.h> 93 #include <stdarg.h> 94 95 #include "ifconfig.h" 96 97 static void set80211(int s, int type, int val, int len, void *data); 98 static const char *get_string(const char *val, const char *sep, 99 u_int8_t *buf, int *lenp); 100 static void print_string(const u_int8_t *buf, int len); 101 102 static struct ieee80211req_chaninfo chaninfo; 103 static struct ifmediareq *ifmr; 104 105 /* 106 * Collect channel info from the kernel. We use this (mostly) 107 * to handle mapping between frequency and IEEE channel number. 108 */ 109 static void 110 getchaninfo(int s) 111 { 112 struct ieee80211req ireq; 113 114 if (chaninfo.ic_nchans != 0) 115 return; 116 (void) memset(&ireq, 0, sizeof(ireq)); 117 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 118 ireq.i_type = IEEE80211_IOC_CHANINFO; 119 ireq.i_data = &chaninfo; 120 ireq.i_len = sizeof(chaninfo); 121 if (ioctl(s, SIOCG80211, &ireq) < 0) 122 errx(1, "unable to get channel information"); 123 124 ifmr = ifmedia_getstate(s); 125 } 126 127 /* 128 * Given the channel at index i with attributes from, 129 * check if there is a channel with attributes to in 130 * the channel table. With suitable attributes this 131 * allows the caller to look for promotion; e.g. from 132 * 11b > 11g. 133 */ 134 static int 135 canpromote(int i, int from, int to) 136 { 137 const struct ieee80211_channel *fc = &chaninfo.ic_chans[i]; 138 int j; 139 140 if ((fc->ic_flags & from) != from) 141 return i; 142 /* NB: quick check exploiting ordering of chans w/ same frequency */ 143 if (i+1 < chaninfo.ic_nchans && 144 chaninfo.ic_chans[i+1].ic_freq == fc->ic_freq && 145 (chaninfo.ic_chans[i+1].ic_flags & to) == to) 146 return i+1; 147 /* brute force search in case channel list is not ordered */ 148 for (j = 0; j < chaninfo.ic_nchans; j++) { 149 const struct ieee80211_channel *tc = &chaninfo.ic_chans[j]; 150 if (j != i && 151 tc->ic_freq == fc->ic_freq && (tc->ic_flags & to) == to) 152 return j; 153 } 154 return i; 155 } 156 157 /* 158 * Handle channel promotion. When a channel is specified with 159 * only a frequency we want to promote it to the ``best'' channel 160 * available. The channel list has separate entries for 11b, 11g, 161 * 11a, and 11n[ga] channels so specifying a frequency w/o any 162 * attributes requires we upgrade, e.g. from 11b -> 11g. This 163 * gets complicated when the channel is specified on the same 164 * command line with a media request that constrains the available 165 * channe list (e.g. mode 11a); we want to honor that to avoid 166 * confusing behaviour. 167 */ 168 static int 169 promote(int i) 170 { 171 /* 172 * Query the current mode of the interface in case it's 173 * constrained (e.g. to 11a). We must do this carefully 174 * as there may be a pending ifmedia request in which case 175 * asking the kernel will give us the wrong answer. This 176 * is an unfortunate side-effect of the way ifconfig is 177 * structure for modularity (yech). 178 * 179 * NB: ifmr is actually setup in getchaninfo (above); we 180 * assume it's called coincident with to this call so 181 * we have a ``current setting''; otherwise we must pass 182 * the socket descriptor down to here so we can make 183 * the ifmedia_getstate call ourselves. 184 */ 185 int chanmode = ifmr != NULL ? IFM_MODE(ifmr->ifm_current) : IFM_AUTO; 186 187 /* when ambiguous promote to ``best'' */ 188 /* NB: we abitrarily pick HT40+ over HT40- */ 189 if (chanmode != IFM_IEEE80211_11B) 190 i = canpromote(i, IEEE80211_CHAN_B, IEEE80211_CHAN_G); 191 if (chanmode != IFM_IEEE80211_11G) { 192 i = canpromote(i, IEEE80211_CHAN_G, 193 IEEE80211_CHAN_G | IEEE80211_CHAN_HT20); 194 i = canpromote(i, IEEE80211_CHAN_G, 195 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D); 196 i = canpromote(i, IEEE80211_CHAN_G, 197 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U); 198 } 199 if (chanmode != IFM_IEEE80211_11A) { 200 i = canpromote(i, IEEE80211_CHAN_A, 201 IEEE80211_CHAN_A | IEEE80211_CHAN_HT20); 202 i = canpromote(i, IEEE80211_CHAN_A, 203 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D); 204 i = canpromote(i, IEEE80211_CHAN_A, 205 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U); 206 } 207 return i; 208 } 209 210 static void 211 mapfreq(struct ieee80211_channel *chan, int freq, int flags) 212 { 213 int i; 214 215 for (i = 0; i < chaninfo.ic_nchans; i++) { 216 const struct ieee80211_channel *c = &chaninfo.ic_chans[i]; 217 218 if (c->ic_freq == freq && (c->ic_flags & flags) == flags) { 219 if (flags == 0) { 220 /* when ambiguous promote to ``best'' */ 221 c = &chaninfo.ic_chans[promote(i)]; 222 } 223 *chan = *c; 224 return; 225 } 226 } 227 errx(1, "unknown/undefined frequency %u/0x%x", freq, flags); 228 } 229 230 static void 231 mapchan(struct ieee80211_channel *chan, int ieee, int flags) 232 { 233 int i; 234 235 for (i = 0; i < chaninfo.ic_nchans; i++) { 236 const struct ieee80211_channel *c = &chaninfo.ic_chans[i]; 237 238 if (c->ic_ieee == ieee && (c->ic_flags & flags) == flags) { 239 if (flags == 0) { 240 /* when ambiguous promote to ``best'' */ 241 c = &chaninfo.ic_chans[promote(i)]; 242 } 243 *chan = *c; 244 return; 245 } 246 } 247 errx(1, "unknown/undefined channel number %d", ieee); 248 } 249 250 static int 251 ieee80211_mhz2ieee(int freq, int flags) 252 { 253 struct ieee80211_channel chan; 254 mapfreq(&chan, freq, flags); 255 return chan.ic_ieee; 256 } 257 258 static int 259 isanyarg(const char *arg) 260 { 261 return (strcmp(arg, "-") == 0 || 262 strcasecmp(arg, "any") == 0 || strcasecmp(arg, "off") == 0); 263 } 264 265 static void 266 set80211ssid(const char *val, int d, int s, const struct afswtch *rafp) 267 { 268 int ssid; 269 int len; 270 u_int8_t data[IEEE80211_NWID_LEN]; 271 272 ssid = 0; 273 len = strlen(val); 274 if (len > 2 && isdigit(val[0]) && val[1] == ':') { 275 ssid = atoi(val)-1; 276 val += 2; 277 } 278 279 bzero(data, sizeof(data)); 280 len = sizeof(data); 281 if (get_string(val, NULL, data, &len) == NULL) 282 exit(1); 283 284 set80211(s, IEEE80211_IOC_SSID, ssid, len, data); 285 } 286 287 static void 288 set80211stationname(const char *val, int d, int s, const struct afswtch *rafp) 289 { 290 int len; 291 u_int8_t data[33]; 292 293 bzero(data, sizeof(data)); 294 len = sizeof(data); 295 get_string(val, NULL, data, &len); 296 297 set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data); 298 } 299 300 /* 301 * Parse a channel specification for attributes/flags. 302 * The syntax is: 303 * freq/xx channel width (5,10,20,40,40+,40-) 304 * freq:mode channel mode (a,b,g,h,n,t,s,d) 305 * 306 * These can be combined in either order; e.g. 2437:ng/40. 307 * Modes are case insensitive. 308 * 309 * The result is not validated here; it's assumed to be 310 * checked against the channel table fetched from the kernel. 311 */ 312 static int 313 getchannelflags(const char *val) 314 { 315 #define CHAN_HT_DEFAULT IEEE80211_CHAN_HT40U 316 #define _CHAN_HT 0x80000000 317 const char *cp; 318 int flags; 319 320 flags = 0; 321 322 cp = strchr(val, ':'); 323 if (cp != NULL) { 324 for (cp++; isalpha((int) *cp); cp++) { 325 /* accept mixed case */ 326 int c = *cp; 327 if (isupper(c)) 328 c = tolower(c); 329 switch (c) { 330 case 'a': /* 802.11a */ 331 flags |= IEEE80211_CHAN_A; 332 break; 333 case 'b': /* 802.11b */ 334 flags |= IEEE80211_CHAN_B; 335 break; 336 case 'g': /* 802.11g */ 337 flags |= IEEE80211_CHAN_G; 338 break; 339 case 'h': /* ht = 802.11n */ 340 case 'n': /* 802.11n */ 341 flags |= _CHAN_HT; /* NB: private */ 342 break; 343 case 'd': /* dt = Atheros Dynamic Turbo */ 344 flags |= IEEE80211_CHAN_TURBO; 345 break; 346 case 't': /* ht, dt, st, t */ 347 /* dt and unadorned t specify Dynamic Turbo */ 348 if ((flags & (IEEE80211_CHAN_STURBO|_CHAN_HT)) == 0) 349 flags |= IEEE80211_CHAN_TURBO; 350 break; 351 case 's': /* st = Atheros Static Turbo */ 352 flags |= IEEE80211_CHAN_STURBO; 353 break; 354 default: 355 errx(-1, "%s: Invalid channel attribute %c", 356 val, *cp); 357 } 358 } 359 } 360 cp = strchr(val, '/'); 361 if (cp != NULL) { 362 char *ep; 363 u_long cw = strtoul(cp+1, &ep, 10); 364 365 switch (cw) { 366 case 5: 367 flags |= IEEE80211_CHAN_QUARTER; 368 break; 369 case 10: 370 flags |= IEEE80211_CHAN_HALF; 371 break; 372 case 20: 373 /* NB: this may be removed below */ 374 flags |= IEEE80211_CHAN_HT20; 375 break; 376 case 40: 377 if (ep != NULL && *ep == '+') 378 flags |= IEEE80211_CHAN_HT40U; 379 else if (ep != NULL && *ep == '-') 380 flags |= IEEE80211_CHAN_HT40D; 381 else /* NB: pick something */ 382 flags |= CHAN_HT_DEFAULT; 383 break; 384 default: 385 errx(-1, "%s: Invalid channel width", val); 386 } 387 } 388 /* 389 * Cleanup specifications. 390 */ 391 if ((flags & _CHAN_HT) == 0) { 392 /* 393 * If user specified freq/20 or freq/40 quietly remove 394 * HT cw attributes depending on channel use. To give 395 * an explicit 20/40 width for an HT channel you must 396 * indicate it is an HT channel since all HT channels 397 * are also usable for legacy operation; e.g. freq:n/40. 398 */ 399 flags &= ~IEEE80211_CHAN_HT; 400 } else { 401 /* 402 * Remove private indicator that this is an HT channel 403 * and if no explicit channel width has been given 404 * provide the default settings. 405 */ 406 flags &= ~_CHAN_HT; 407 if ((flags & IEEE80211_CHAN_HT) == 0) 408 flags |= CHAN_HT_DEFAULT; 409 } 410 return flags; 411 #undef CHAN_HT_DEFAULT 412 #undef _CHAN_HT 413 } 414 415 static void 416 set80211channel(const char *val, int d, int s, const struct afswtch *rafp) 417 { 418 struct ieee80211_channel chan; 419 420 memset(&chan, 0, sizeof(chan)); 421 if (!isanyarg(val)) { 422 int v = atoi(val); 423 int flags = getchannelflags(val); 424 425 getchaninfo(s); 426 if (v > 255) { /* treat as frequency */ 427 mapfreq(&chan, v, flags); 428 } else { 429 mapchan(&chan, v, flags); 430 } 431 } else { 432 chan.ic_freq = IEEE80211_CHAN_ANY; 433 } 434 set80211(s, IEEE80211_IOC_CURCHAN, 0, sizeof(chan), &chan); 435 } 436 437 static void 438 set80211authmode(const char *val, int d, int s, const struct afswtch *rafp) 439 { 440 int mode; 441 442 if (strcasecmp(val, "none") == 0) { 443 mode = IEEE80211_AUTH_NONE; 444 } else if (strcasecmp(val, "open") == 0) { 445 mode = IEEE80211_AUTH_OPEN; 446 } else if (strcasecmp(val, "shared") == 0) { 447 mode = IEEE80211_AUTH_SHARED; 448 } else if (strcasecmp(val, "8021x") == 0) { 449 mode = IEEE80211_AUTH_8021X; 450 } else if (strcasecmp(val, "wpa") == 0) { 451 mode = IEEE80211_AUTH_WPA; 452 } else { 453 errx(1, "unknown authmode"); 454 } 455 456 set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL); 457 } 458 459 static void 460 set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp) 461 { 462 int mode; 463 464 if (strcasecmp(val, "off") == 0) { 465 mode = IEEE80211_POWERSAVE_OFF; 466 } else if (strcasecmp(val, "on") == 0) { 467 mode = IEEE80211_POWERSAVE_ON; 468 } else if (strcasecmp(val, "cam") == 0) { 469 mode = IEEE80211_POWERSAVE_CAM; 470 } else if (strcasecmp(val, "psp") == 0) { 471 mode = IEEE80211_POWERSAVE_PSP; 472 } else if (strcasecmp(val, "psp-cam") == 0) { 473 mode = IEEE80211_POWERSAVE_PSP_CAM; 474 } else { 475 errx(1, "unknown powersavemode"); 476 } 477 478 set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL); 479 } 480 481 static void 482 set80211powersave(const char *val, int d, int s, const struct afswtch *rafp) 483 { 484 if (d == 0) 485 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF, 486 0, NULL); 487 else 488 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON, 489 0, NULL); 490 } 491 492 static void 493 set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp) 494 { 495 set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL); 496 } 497 498 static void 499 set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp) 500 { 501 int mode; 502 503 if (strcasecmp(val, "off") == 0) { 504 mode = IEEE80211_WEP_OFF; 505 } else if (strcasecmp(val, "on") == 0) { 506 mode = IEEE80211_WEP_ON; 507 } else if (strcasecmp(val, "mixed") == 0) { 508 mode = IEEE80211_WEP_MIXED; 509 } else { 510 errx(1, "unknown wep mode"); 511 } 512 513 set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL); 514 } 515 516 static void 517 set80211wep(const char *val, int d, int s, const struct afswtch *rafp) 518 { 519 set80211(s, IEEE80211_IOC_WEP, d, 0, NULL); 520 } 521 522 static int 523 isundefarg(const char *arg) 524 { 525 return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0); 526 } 527 528 static void 529 set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp) 530 { 531 if (isundefarg(val)) 532 set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL); 533 else 534 set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL); 535 } 536 537 static void 538 set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp) 539 { 540 int key = 0; 541 int len; 542 u_int8_t data[IEEE80211_KEYBUF_SIZE]; 543 544 if (isdigit(val[0]) && val[1] == ':') { 545 key = atoi(val)-1; 546 val += 2; 547 } 548 549 bzero(data, sizeof(data)); 550 len = sizeof(data); 551 get_string(val, NULL, data, &len); 552 553 set80211(s, IEEE80211_IOC_WEPKEY, key, len, data); 554 } 555 556 /* 557 * This function is purely a NetBSD compatability interface. The NetBSD 558 * interface is too inflexible, but it's there so we'll support it since 559 * it's not all that hard. 560 */ 561 static void 562 set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp) 563 { 564 int txkey; 565 int i, len; 566 u_int8_t data[IEEE80211_KEYBUF_SIZE]; 567 568 set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL); 569 570 if (isdigit(val[0]) && val[1] == ':') { 571 txkey = val[0]-'0'-1; 572 val += 2; 573 574 for (i = 0; i < 4; i++) { 575 bzero(data, sizeof(data)); 576 len = sizeof(data); 577 val = get_string(val, ",", data, &len); 578 if (val == NULL) 579 exit(1); 580 581 set80211(s, IEEE80211_IOC_WEPKEY, i, len, data); 582 } 583 } else { 584 bzero(data, sizeof(data)); 585 len = sizeof(data); 586 get_string(val, NULL, data, &len); 587 txkey = 0; 588 589 set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data); 590 591 bzero(data, sizeof(data)); 592 for (i = 1; i < 4; i++) 593 set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data); 594 } 595 596 set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL); 597 } 598 599 static void 600 set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp) 601 { 602 set80211(s, IEEE80211_IOC_RTSTHRESHOLD, 603 isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL); 604 } 605 606 static void 607 set80211protmode(const char *val, int d, int s, const struct afswtch *rafp) 608 { 609 int mode; 610 611 if (strcasecmp(val, "off") == 0) { 612 mode = IEEE80211_PROTMODE_OFF; 613 } else if (strcasecmp(val, "cts") == 0) { 614 mode = IEEE80211_PROTMODE_CTS; 615 } else if (strcasecmp(val, "rtscts") == 0) { 616 mode = IEEE80211_PROTMODE_RTSCTS; 617 } else { 618 errx(1, "unknown protection mode"); 619 } 620 621 set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL); 622 } 623 624 static void 625 set80211txpower(const char *val, int d, int s, const struct afswtch *rafp) 626 { 627 set80211(s, IEEE80211_IOC_TXPOWER, atoi(val), 0, NULL); 628 } 629 630 #define IEEE80211_ROAMING_DEVICE 0 631 #define IEEE80211_ROAMING_AUTO 1 632 #define IEEE80211_ROAMING_MANUAL 2 633 634 static void 635 set80211roaming(const char *val, int d, int s, const struct afswtch *rafp) 636 { 637 int mode; 638 639 if (strcasecmp(val, "device") == 0) { 640 mode = IEEE80211_ROAMING_DEVICE; 641 } else if (strcasecmp(val, "auto") == 0) { 642 mode = IEEE80211_ROAMING_AUTO; 643 } else if (strcasecmp(val, "manual") == 0) { 644 mode = IEEE80211_ROAMING_MANUAL; 645 } else { 646 errx(1, "unknown roaming mode"); 647 } 648 set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL); 649 } 650 651 static void 652 set80211wme(const char *val, int d, int s, const struct afswtch *rafp) 653 { 654 set80211(s, IEEE80211_IOC_WME, d, 0, NULL); 655 } 656 657 static void 658 set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp) 659 { 660 set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL); 661 } 662 663 static void 664 set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp) 665 { 666 set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL); 667 } 668 669 static void 670 set80211fastframes(const char *val, int d, int s, const struct afswtch *rafp) 671 { 672 set80211(s, IEEE80211_IOC_FF, d, 0, NULL); 673 } 674 675 static void 676 set80211dturbo(const char *val, int d, int s, const struct afswtch *rafp) 677 { 678 set80211(s, IEEE80211_IOC_TURBOP, d, 0, NULL); 679 } 680 681 static void 682 set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp) 683 { 684 struct ieee80211req_chanlist chanlist; 685 #define MAXCHAN (sizeof(chanlist.ic_channels)*NBBY) 686 char *temp, *cp, *tp; 687 688 temp = malloc(strlen(val) + 1); 689 if (temp == NULL) 690 errx(1, "malloc failed"); 691 strcpy(temp, val); 692 memset(&chanlist, 0, sizeof(chanlist)); 693 cp = temp; 694 for (;;) { 695 int first, last, f; 696 697 tp = strchr(cp, ','); 698 if (tp != NULL) 699 *tp++ = '\0'; 700 switch (sscanf(cp, "%u-%u", &first, &last)) { 701 case 1: 702 if (first > MAXCHAN) 703 errx(-1, "channel %u out of range, max %zu", 704 first, MAXCHAN); 705 setbit(chanlist.ic_channels, first); 706 break; 707 case 2: 708 if (first > MAXCHAN) 709 errx(-1, "channel %u out of range, max %zu", 710 first, MAXCHAN); 711 if (last > MAXCHAN) 712 errx(-1, "channel %u out of range, max %zu", 713 last, MAXCHAN); 714 if (first > last) 715 errx(-1, "void channel range, %u > %u", 716 first, last); 717 for (f = first; f <= last; f++) 718 setbit(chanlist.ic_channels, f); 719 break; 720 } 721 if (tp == NULL) 722 break; 723 while (isspace(*tp)) 724 tp++; 725 if (!isdigit(*tp)) 726 break; 727 cp = tp; 728 } 729 set80211(s, IEEE80211_IOC_CHANLIST, 0, sizeof(chanlist), &chanlist); 730 #undef MAXCHAN 731 } 732 733 static void 734 set80211bssid(const char *val, int d, int s, const struct afswtch *rafp) 735 { 736 737 if (!isanyarg(val)) { 738 char *temp; 739 struct sockaddr_dl sdl; 740 741 temp = malloc(strlen(val) + 2); /* ':' and '\0' */ 742 if (temp == NULL) 743 errx(1, "malloc failed"); 744 temp[0] = ':'; 745 strcpy(temp + 1, val); 746 sdl.sdl_len = sizeof(sdl); 747 link_addr(temp, &sdl); 748 free(temp); 749 if (sdl.sdl_alen != IEEE80211_ADDR_LEN) 750 errx(1, "malformed link-level address"); 751 set80211(s, IEEE80211_IOC_BSSID, 0, 752 IEEE80211_ADDR_LEN, LLADDR(&sdl)); 753 } else { 754 uint8_t zerobssid[IEEE80211_ADDR_LEN]; 755 memset(zerobssid, 0, sizeof(zerobssid)); 756 set80211(s, IEEE80211_IOC_BSSID, 0, 757 IEEE80211_ADDR_LEN, zerobssid); 758 } 759 } 760 761 static int 762 getac(const char *ac) 763 { 764 if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0) 765 return WME_AC_BE; 766 if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0) 767 return WME_AC_BK; 768 if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0) 769 return WME_AC_VI; 770 if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0) 771 return WME_AC_VO; 772 errx(1, "unknown wme access class %s", ac); 773 } 774 775 static 776 DECL_CMD_FUNC2(set80211cwmin, ac, val) 777 { 778 set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL); 779 } 780 781 static 782 DECL_CMD_FUNC2(set80211cwmax, ac, val) 783 { 784 set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL); 785 } 786 787 static 788 DECL_CMD_FUNC2(set80211aifs, ac, val) 789 { 790 set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL); 791 } 792 793 static 794 DECL_CMD_FUNC2(set80211txoplimit, ac, val) 795 { 796 set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL); 797 } 798 799 static 800 DECL_CMD_FUNC(set80211acm, ac, d) 801 { 802 set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL); 803 } 804 static 805 DECL_CMD_FUNC(set80211noacm, ac, d) 806 { 807 set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL); 808 } 809 810 static 811 DECL_CMD_FUNC(set80211ackpolicy, ac, d) 812 { 813 set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL); 814 } 815 static 816 DECL_CMD_FUNC(set80211noackpolicy, ac, d) 817 { 818 set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL); 819 } 820 821 static 822 DECL_CMD_FUNC2(set80211bsscwmin, ac, val) 823 { 824 set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), 825 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 826 } 827 828 static 829 DECL_CMD_FUNC2(set80211bsscwmax, ac, val) 830 { 831 set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), 832 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 833 } 834 835 static 836 DECL_CMD_FUNC2(set80211bssaifs, ac, val) 837 { 838 set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), 839 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 840 } 841 842 static 843 DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val) 844 { 845 set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), 846 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 847 } 848 849 static 850 DECL_CMD_FUNC(set80211dtimperiod, val, d) 851 { 852 set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL); 853 } 854 855 static 856 DECL_CMD_FUNC(set80211bintval, val, d) 857 { 858 set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL); 859 } 860 861 static void 862 set80211macmac(int s, int op, const char *val) 863 { 864 char *temp; 865 struct sockaddr_dl sdl; 866 867 temp = malloc(strlen(val) + 2); /* ':' and '\0' */ 868 if (temp == NULL) 869 errx(1, "malloc failed"); 870 temp[0] = ':'; 871 strcpy(temp + 1, val); 872 sdl.sdl_len = sizeof(sdl); 873 link_addr(temp, &sdl); 874 free(temp); 875 if (sdl.sdl_alen != IEEE80211_ADDR_LEN) 876 errx(1, "malformed link-level address"); 877 set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl)); 878 } 879 880 static 881 DECL_CMD_FUNC(set80211addmac, val, d) 882 { 883 set80211macmac(s, IEEE80211_IOC_ADDMAC, val); 884 } 885 886 static 887 DECL_CMD_FUNC(set80211delmac, val, d) 888 { 889 set80211macmac(s, IEEE80211_IOC_DELMAC, val); 890 } 891 892 static 893 DECL_CMD_FUNC(set80211kickmac, val, d) 894 { 895 char *temp; 896 struct sockaddr_dl sdl; 897 struct ieee80211req_mlme mlme; 898 899 temp = malloc(strlen(val) + 2); /* ':' and '\0' */ 900 if (temp == NULL) 901 errx(1, "malloc failed"); 902 temp[0] = ':'; 903 strcpy(temp + 1, val); 904 sdl.sdl_len = sizeof(sdl); 905 link_addr(temp, &sdl); 906 free(temp); 907 if (sdl.sdl_alen != IEEE80211_ADDR_LEN) 908 errx(1, "malformed link-level address"); 909 memset(&mlme, 0, sizeof(mlme)); 910 mlme.im_op = IEEE80211_MLME_DEAUTH; 911 mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE; 912 memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN); 913 set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), &mlme); 914 } 915 916 static 917 DECL_CMD_FUNC(set80211maccmd, val, d) 918 { 919 set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL); 920 } 921 922 static void 923 set80211pureg(const char *val, int d, int s, const struct afswtch *rafp) 924 { 925 set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL); 926 } 927 928 static void 929 set80211bgscan(const char *val, int d, int s, const struct afswtch *rafp) 930 { 931 set80211(s, IEEE80211_IOC_BGSCAN, d, 0, NULL); 932 } 933 934 static 935 DECL_CMD_FUNC(set80211bgscanidle, val, d) 936 { 937 set80211(s, IEEE80211_IOC_BGSCAN_IDLE, atoi(val), 0, NULL); 938 } 939 940 static 941 DECL_CMD_FUNC(set80211bgscanintvl, val, d) 942 { 943 set80211(s, IEEE80211_IOC_BGSCAN_INTERVAL, atoi(val), 0, NULL); 944 } 945 946 static 947 DECL_CMD_FUNC(set80211scanvalid, val, d) 948 { 949 set80211(s, IEEE80211_IOC_SCANVALID, atoi(val), 0, NULL); 950 } 951 952 static 953 DECL_CMD_FUNC(set80211roamrssi11a, val, d) 954 { 955 set80211(s, IEEE80211_IOC_ROAM_RSSI_11A, atoi(val), 0, NULL); 956 } 957 958 static 959 DECL_CMD_FUNC(set80211roamrssi11b, val, d) 960 { 961 set80211(s, IEEE80211_IOC_ROAM_RSSI_11B, atoi(val), 0, NULL); 962 } 963 964 static 965 DECL_CMD_FUNC(set80211roamrssi11g, val, d) 966 { 967 set80211(s, IEEE80211_IOC_ROAM_RSSI_11G, atoi(val), 0, NULL); 968 } 969 970 static 971 DECL_CMD_FUNC(set80211roamrate11a, val, d) 972 { 973 set80211(s, IEEE80211_IOC_ROAM_RATE_11A, 2*atoi(val), 0, NULL); 974 } 975 976 static 977 DECL_CMD_FUNC(set80211roamrate11b, val, d) 978 { 979 set80211(s, IEEE80211_IOC_ROAM_RATE_11B, 2*atoi(val), 0, NULL); 980 } 981 982 static 983 DECL_CMD_FUNC(set80211roamrate11g, val, d) 984 { 985 set80211(s, IEEE80211_IOC_ROAM_RATE_11G, 2*atoi(val), 0, NULL); 986 } 987 988 static 989 DECL_CMD_FUNC(set80211mcastrate, val, d) 990 { 991 set80211(s, IEEE80211_IOC_MCAST_RATE, 2*atoi(val), 0, NULL); 992 } 993 994 static 995 DECL_CMD_FUNC(set80211fragthreshold, val, d) 996 { 997 set80211(s, IEEE80211_IOC_FRAGTHRESHOLD, 998 isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL); 999 } 1000 1001 static 1002 DECL_CMD_FUNC(set80211bmissthreshold, val, d) 1003 { 1004 set80211(s, IEEE80211_IOC_BMISSTHRESHOLD, 1005 isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL); 1006 } 1007 1008 static void 1009 set80211burst(const char *val, int d, int s, const struct afswtch *rafp) 1010 { 1011 set80211(s, IEEE80211_IOC_BURST, d, 0, NULL); 1012 } 1013 1014 static void 1015 set80211doth(const char *val, int d, int s, const struct afswtch *rafp) 1016 { 1017 set80211(s, IEEE80211_IOC_DOTH, d, 0, NULL); 1018 } 1019 1020 static int 1021 getmaxrate(const uint8_t rates[15], uint8_t nrates) 1022 { 1023 int i, maxrate = -1; 1024 1025 for (i = 0; i < nrates; i++) { 1026 int rate = rates[i] & IEEE80211_RATE_VAL; 1027 if (rate > maxrate) 1028 maxrate = rate; 1029 } 1030 return maxrate / 2; 1031 } 1032 1033 static const char * 1034 getcaps(int capinfo) 1035 { 1036 static char capstring[32]; 1037 char *cp = capstring; 1038 1039 if (capinfo & IEEE80211_CAPINFO_ESS) 1040 *cp++ = 'E'; 1041 if (capinfo & IEEE80211_CAPINFO_IBSS) 1042 *cp++ = 'I'; 1043 if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE) 1044 *cp++ = 'c'; 1045 if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ) 1046 *cp++ = 'C'; 1047 if (capinfo & IEEE80211_CAPINFO_PRIVACY) 1048 *cp++ = 'P'; 1049 if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) 1050 *cp++ = 'S'; 1051 if (capinfo & IEEE80211_CAPINFO_PBCC) 1052 *cp++ = 'B'; 1053 if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY) 1054 *cp++ = 'A'; 1055 if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) 1056 *cp++ = 's'; 1057 if (capinfo & IEEE80211_CAPINFO_RSN) 1058 *cp++ = 'R'; 1059 if (capinfo & IEEE80211_CAPINFO_DSSSOFDM) 1060 *cp++ = 'D'; 1061 *cp = '\0'; 1062 return capstring; 1063 } 1064 1065 static const char * 1066 getflags(int flags) 1067 { 1068 /* XXX need these publicly defined or similar */ 1069 #define IEEE80211_NODE_AUTH 0x0001 /* authorized for data */ 1070 #define IEEE80211_NODE_QOS 0x0002 /* QoS enabled */ 1071 #define IEEE80211_NODE_ERP 0x0004 /* ERP enabled */ 1072 #define IEEE80211_NODE_PWR_MGT 0x0010 /* power save mode enabled */ 1073 #define IEEE80211_NODE_HT 0x0040 /* HT enabled */ 1074 static char flagstring[32]; 1075 char *cp = flagstring; 1076 1077 if (flags & IEEE80211_NODE_AUTH) 1078 *cp++ = 'A'; 1079 if (flags & IEEE80211_NODE_QOS) 1080 *cp++ = 'Q'; 1081 if (flags & IEEE80211_NODE_ERP) 1082 *cp++ = 'E'; 1083 if (flags & IEEE80211_NODE_PWR_MGT) 1084 *cp++ = 'P'; 1085 if (flags & IEEE80211_NODE_HT) 1086 *cp++ = 'H'; 1087 *cp = '\0'; 1088 return flagstring; 1089 #undef IEEE80211_NODE_HT 1090 #undef IEEE80211_NODE_AUTH 1091 #undef IEEE80211_NODE_QOS 1092 #undef IEEE80211_NODE_ERP 1093 #undef IEEE80211_NODE_PWR_MGT 1094 } 1095 1096 static void 1097 printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen) 1098 { 1099 printf("%s", tag); 1100 if (verbose) { 1101 maxlen -= strlen(tag)+2; 1102 if (2*ielen > maxlen) 1103 maxlen--; 1104 printf("<"); 1105 for (; ielen > 0; ie++, ielen--) { 1106 if (maxlen-- <= 0) 1107 break; 1108 printf("%02x", *ie); 1109 } 1110 if (ielen != 0) 1111 printf("-"); 1112 printf(">"); 1113 } 1114 } 1115 1116 #define LE_READ_2(p) \ 1117 ((u_int16_t) \ 1118 ((((const u_int8_t *)(p))[0] ) | \ 1119 (((const u_int8_t *)(p))[1] << 8))) 1120 #define LE_READ_4(p) \ 1121 ((u_int32_t) \ 1122 ((((const u_int8_t *)(p))[0] ) | \ 1123 (((const u_int8_t *)(p))[1] << 8) | \ 1124 (((const u_int8_t *)(p))[2] << 16) | \ 1125 (((const u_int8_t *)(p))[3] << 24))) 1126 1127 /* 1128 * NB: The decoding routines assume a properly formatted ie 1129 * which should be safe as the kernel only retains them 1130 * if they parse ok. 1131 */ 1132 1133 static void 1134 printwmeie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1135 { 1136 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 1137 static const char *acnames[] = { "BE", "BK", "VO", "VI" }; 1138 int i; 1139 1140 printf("%s", tag); 1141 if (verbose) { 1142 printf("<qosinfo 0x%x", ie[ 1143 __offsetof(struct ieee80211_wme_param, param_qosInfo)]); 1144 ie += __offsetof(struct ieee80211_wme_param, params_acParams); 1145 for (i = 0; i < WME_NUM_AC; i++) { 1146 printf(" %s[%saifsn %u cwmin %u cwmax %u txop %u]" 1147 , acnames[i] 1148 , MS(ie[0], WME_PARAM_ACM) ? "acm " : "" 1149 , MS(ie[0], WME_PARAM_AIFSN) 1150 , MS(ie[1], WME_PARAM_LOGCWMIN) 1151 , MS(ie[1], WME_PARAM_LOGCWMAX) 1152 , LE_READ_2(ie+2) 1153 ); 1154 ie += 4; 1155 } 1156 printf(">"); 1157 } 1158 #undef MS 1159 } 1160 1161 static void 1162 printathie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1163 { 1164 1165 printf("%s", tag); 1166 if (verbose) { 1167 const struct ieee80211_ath_ie *ath = 1168 (const struct ieee80211_ath_ie *)ie; 1169 1170 printf("<"); 1171 if (ath->ath_capability & ATHEROS_CAP_TURBO_PRIME) 1172 printf("DTURBO,"); 1173 if (ath->ath_capability & ATHEROS_CAP_COMPRESSION) 1174 printf("COMP,"); 1175 if (ath->ath_capability & ATHEROS_CAP_FAST_FRAME) 1176 printf("FF,"); 1177 if (ath->ath_capability & ATHEROS_CAP_XR) 1178 printf("XR,"); 1179 if (ath->ath_capability & ATHEROS_CAP_AR) 1180 printf("AR,"); 1181 if (ath->ath_capability & ATHEROS_CAP_BURST) 1182 printf("BURST,"); 1183 if (ath->ath_capability & ATHEROS_CAP_WME) 1184 printf("WME,"); 1185 if (ath->ath_capability & ATHEROS_CAP_BOOST) 1186 printf("BOOST,"); 1187 printf("0x%x>", LE_READ_2(ath->ath_defkeyix)); 1188 } 1189 } 1190 1191 static const char * 1192 wpa_cipher(const u_int8_t *sel) 1193 { 1194 #define WPA_SEL(x) (((x)<<24)|WPA_OUI) 1195 u_int32_t w = LE_READ_4(sel); 1196 1197 switch (w) { 1198 case WPA_SEL(WPA_CSE_NULL): 1199 return "NONE"; 1200 case WPA_SEL(WPA_CSE_WEP40): 1201 return "WEP40"; 1202 case WPA_SEL(WPA_CSE_WEP104): 1203 return "WEP104"; 1204 case WPA_SEL(WPA_CSE_TKIP): 1205 return "TKIP"; 1206 case WPA_SEL(WPA_CSE_CCMP): 1207 return "AES-CCMP"; 1208 } 1209 return "?"; /* NB: so 1<< is discarded */ 1210 #undef WPA_SEL 1211 } 1212 1213 static const char * 1214 wpa_keymgmt(const u_int8_t *sel) 1215 { 1216 #define WPA_SEL(x) (((x)<<24)|WPA_OUI) 1217 u_int32_t w = LE_READ_4(sel); 1218 1219 switch (w) { 1220 case WPA_SEL(WPA_ASE_8021X_UNSPEC): 1221 return "8021X-UNSPEC"; 1222 case WPA_SEL(WPA_ASE_8021X_PSK): 1223 return "8021X-PSK"; 1224 case WPA_SEL(WPA_ASE_NONE): 1225 return "NONE"; 1226 } 1227 return "?"; 1228 #undef WPA_SEL 1229 } 1230 1231 static void 1232 printwpaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1233 { 1234 u_int8_t len = ie[1]; 1235 1236 printf("%s", tag); 1237 if (verbose) { 1238 const char *sep; 1239 int n; 1240 1241 ie += 6, len -= 4; /* NB: len is payload only */ 1242 1243 printf("<v%u", LE_READ_2(ie)); 1244 ie += 2, len -= 2; 1245 1246 printf(" mc:%s", wpa_cipher(ie)); 1247 ie += 4, len -= 4; 1248 1249 /* unicast ciphers */ 1250 n = LE_READ_2(ie); 1251 ie += 2, len -= 2; 1252 sep = " uc:"; 1253 for (; n > 0; n--) { 1254 printf("%s%s", sep, wpa_cipher(ie)); 1255 ie += 4, len -= 4; 1256 sep = "+"; 1257 } 1258 1259 /* key management algorithms */ 1260 n = LE_READ_2(ie); 1261 ie += 2, len -= 2; 1262 sep = " km:"; 1263 for (; n > 0; n--) { 1264 printf("%s%s", sep, wpa_keymgmt(ie)); 1265 ie += 4, len -= 4; 1266 sep = "+"; 1267 } 1268 1269 if (len > 2) /* optional capabilities */ 1270 printf(", caps 0x%x", LE_READ_2(ie)); 1271 printf(">"); 1272 } 1273 } 1274 1275 static const char * 1276 rsn_cipher(const u_int8_t *sel) 1277 { 1278 #define RSN_SEL(x) (((x)<<24)|RSN_OUI) 1279 u_int32_t w = LE_READ_4(sel); 1280 1281 switch (w) { 1282 case RSN_SEL(RSN_CSE_NULL): 1283 return "NONE"; 1284 case RSN_SEL(RSN_CSE_WEP40): 1285 return "WEP40"; 1286 case RSN_SEL(RSN_CSE_WEP104): 1287 return "WEP104"; 1288 case RSN_SEL(RSN_CSE_TKIP): 1289 return "TKIP"; 1290 case RSN_SEL(RSN_CSE_CCMP): 1291 return "AES-CCMP"; 1292 case RSN_SEL(RSN_CSE_WRAP): 1293 return "AES-OCB"; 1294 } 1295 return "?"; 1296 #undef WPA_SEL 1297 } 1298 1299 static const char * 1300 rsn_keymgmt(const u_int8_t *sel) 1301 { 1302 #define RSN_SEL(x) (((x)<<24)|RSN_OUI) 1303 u_int32_t w = LE_READ_4(sel); 1304 1305 switch (w) { 1306 case RSN_SEL(RSN_ASE_8021X_UNSPEC): 1307 return "8021X-UNSPEC"; 1308 case RSN_SEL(RSN_ASE_8021X_PSK): 1309 return "8021X-PSK"; 1310 case RSN_SEL(RSN_ASE_NONE): 1311 return "NONE"; 1312 } 1313 return "?"; 1314 #undef RSN_SEL 1315 } 1316 1317 static void 1318 printrsnie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1319 { 1320 u_int8_t len = ie[1]; 1321 1322 printf("%s", tag); 1323 if (verbose) { 1324 const char *sep; 1325 int n; 1326 1327 ie += 6, len -= 4; /* NB: len is payload only */ 1328 1329 printf("<v%u", LE_READ_2(ie)); 1330 ie += 2, len -= 2; 1331 1332 printf(" mc:%s", rsn_cipher(ie)); 1333 ie += 4, len -= 4; 1334 1335 /* unicast ciphers */ 1336 n = LE_READ_2(ie); 1337 ie += 2, len -= 2; 1338 sep = " uc:"; 1339 for (; n > 0; n--) { 1340 printf("%s%s", sep, rsn_cipher(ie)); 1341 ie += 4, len -= 4; 1342 sep = "+"; 1343 } 1344 1345 /* key management algorithms */ 1346 n = LE_READ_2(ie); 1347 ie += 2, len -= 2; 1348 sep = " km:"; 1349 for (; n > 0; n--) { 1350 printf("%s%s", sep, rsn_keymgmt(ie)); 1351 ie += 4, len -= 4; 1352 sep = "+"; 1353 } 1354 1355 if (len > 2) /* optional capabilities */ 1356 printf(", caps 0x%x", LE_READ_2(ie)); 1357 /* XXXPMKID */ 1358 printf(">"); 1359 } 1360 } 1361 1362 /* 1363 * Copy the ssid string contents into buf, truncating to fit. If the 1364 * ssid is entirely printable then just copy intact. Otherwise convert 1365 * to hexadecimal. If the result is truncated then replace the last 1366 * three characters with "...". 1367 */ 1368 static int 1369 copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len) 1370 { 1371 const u_int8_t *p; 1372 size_t maxlen; 1373 int i; 1374 1375 if (essid_len > bufsize) 1376 maxlen = bufsize; 1377 else 1378 maxlen = essid_len; 1379 /* determine printable or not */ 1380 for (i = 0, p = essid; i < maxlen; i++, p++) { 1381 if (*p < ' ' || *p > 0x7e) 1382 break; 1383 } 1384 if (i != maxlen) { /* not printable, print as hex */ 1385 if (bufsize < 3) 1386 return 0; 1387 strlcpy(buf, "0x", bufsize); 1388 bufsize -= 2; 1389 p = essid; 1390 for (i = 0; i < maxlen && bufsize >= 2; i++) { 1391 sprintf(&buf[2+2*i], "%02x", p[i]); 1392 bufsize -= 2; 1393 } 1394 if (i != essid_len) 1395 memcpy(&buf[2+2*i-3], "...", 3); 1396 } else { /* printable, truncate as needed */ 1397 memcpy(buf, essid, maxlen); 1398 if (maxlen != essid_len) 1399 memcpy(&buf[maxlen-3], "...", 3); 1400 } 1401 return maxlen; 1402 } 1403 1404 /* unaligned little endian access */ 1405 #define LE_READ_4(p) \ 1406 ((u_int32_t) \ 1407 ((((const u_int8_t *)(p))[0] ) | \ 1408 (((const u_int8_t *)(p))[1] << 8) | \ 1409 (((const u_int8_t *)(p))[2] << 16) | \ 1410 (((const u_int8_t *)(p))[3] << 24))) 1411 1412 static int __inline 1413 iswpaoui(const u_int8_t *frm) 1414 { 1415 return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI); 1416 } 1417 1418 static int __inline 1419 iswmeoui(const u_int8_t *frm) 1420 { 1421 return frm[1] > 3 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI); 1422 } 1423 1424 static int __inline 1425 isatherosoui(const u_int8_t *frm) 1426 { 1427 return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI); 1428 } 1429 1430 static void 1431 printies(const u_int8_t *vp, int ielen, int maxcols) 1432 { 1433 while (ielen > 0) { 1434 switch (vp[0]) { 1435 case IEEE80211_ELEMID_VENDOR: 1436 if (iswpaoui(vp)) 1437 printwpaie(" WPA", vp, 2+vp[1], maxcols); 1438 else if (iswmeoui(vp)) 1439 printwmeie(" WME", vp, 2+vp[1], maxcols); 1440 else if (isatherosoui(vp)) 1441 printathie(" ATH", vp, 2+vp[1], maxcols); 1442 else 1443 printie(" VEN", vp, 2+vp[1], maxcols); 1444 break; 1445 case IEEE80211_ELEMID_RSN: 1446 printrsnie(" RSN", vp, 2+vp[1], maxcols); 1447 break; 1448 default: 1449 printie(" ???", vp, 2+vp[1], maxcols); 1450 break; 1451 } 1452 ielen -= 2+vp[1]; 1453 vp += 2+vp[1]; 1454 } 1455 } 1456 1457 static void 1458 list_scan(int s) 1459 { 1460 uint8_t buf[24*1024]; 1461 struct ieee80211req ireq; 1462 char ssid[IEEE80211_NWID_LEN+1]; 1463 uint8_t *cp; 1464 int len, ssidmax; 1465 1466 (void) memset(&ireq, 0, sizeof(ireq)); 1467 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 1468 ireq.i_type = IEEE80211_IOC_SCAN_RESULTS; 1469 ireq.i_data = buf; 1470 ireq.i_len = sizeof(buf); 1471 if (ioctl(s, SIOCG80211, &ireq) < 0) 1472 errx(1, "unable to get scan results"); 1473 len = ireq.i_len; 1474 if (len < sizeof(struct ieee80211req_scan_result)) 1475 return; 1476 1477 getchaninfo(s); 1478 1479 ssidmax = verbose ? IEEE80211_NWID_LEN : 14; 1480 printf("%-*.*s %-17.17s %4s %4s %-7s %3s %4s\n" 1481 , ssidmax, ssidmax, "SSID" 1482 , "BSSID" 1483 , "CHAN" 1484 , "RATE" 1485 , " S:N" 1486 , "INT" 1487 , "CAPS" 1488 ); 1489 cp = buf; 1490 do { 1491 const struct ieee80211req_scan_result *sr; 1492 const uint8_t *vp; 1493 1494 sr = (const struct ieee80211req_scan_result *) cp; 1495 vp = ((const u_int8_t *)sr) + sr->isr_ie_off; 1496 printf("%-*.*s %s %3d %3dM %3d:%-3d %3d %-4.4s" 1497 , ssidmax 1498 , copy_essid(ssid, ssidmax, vp, sr->isr_ssid_len) 1499 , ssid 1500 , ether_ntoa((const struct ether_addr *) sr->isr_bssid) 1501 , ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags) 1502 , getmaxrate(sr->isr_rates, sr->isr_nrates) 1503 , (sr->isr_rssi/2)+sr->isr_noise, sr->isr_noise 1504 , sr->isr_intval 1505 , getcaps(sr->isr_capinfo) 1506 ); 1507 printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24); 1508 printf("\n"); 1509 cp += sr->isr_len, len -= sr->isr_len; 1510 } while (len >= sizeof(struct ieee80211req_scan_result)); 1511 } 1512 1513 #include <net80211/ieee80211_freebsd.h> 1514 1515 static void 1516 scan_and_wait(int s) 1517 { 1518 struct ieee80211req ireq; 1519 int sroute; 1520 1521 sroute = socket(PF_ROUTE, SOCK_RAW, 0); 1522 if (sroute < 0) { 1523 perror("socket(PF_ROUTE,SOCK_RAW)"); 1524 return; 1525 } 1526 (void) memset(&ireq, 0, sizeof(ireq)); 1527 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 1528 ireq.i_type = IEEE80211_IOC_SCAN_REQ; 1529 /* NB: only root can trigger a scan so ignore errors */ 1530 if (ioctl(s, SIOCS80211, &ireq) >= 0) { 1531 char buf[2048]; 1532 struct if_announcemsghdr *ifan; 1533 struct rt_msghdr *rtm; 1534 1535 do { 1536 if (read(sroute, buf, sizeof(buf)) < 0) { 1537 perror("read(PF_ROUTE)"); 1538 break; 1539 } 1540 rtm = (struct rt_msghdr *) buf; 1541 if (rtm->rtm_version != RTM_VERSION) 1542 break; 1543 ifan = (struct if_announcemsghdr *) rtm; 1544 } while (rtm->rtm_type != RTM_IEEE80211 || 1545 ifan->ifan_what != RTM_IEEE80211_SCAN); 1546 } 1547 close(sroute); 1548 } 1549 1550 static 1551 DECL_CMD_FUNC(set80211scan, val, d) 1552 { 1553 scan_and_wait(s); 1554 list_scan(s); 1555 } 1556 1557 static enum ieee80211_opmode get80211opmode(int s); 1558 1559 static void 1560 list_stations(int s) 1561 { 1562 union { 1563 struct ieee80211req_sta_req req; 1564 uint8_t buf[24*1024]; 1565 } u; 1566 enum ieee80211_opmode opmode = get80211opmode(s); 1567 struct ieee80211req ireq; 1568 const uint8_t *cp; 1569 int len; 1570 1571 (void) memset(&ireq, 0, sizeof(ireq)); 1572 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 1573 /* broadcast address =>'s get all stations */ 1574 (void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN); 1575 if (opmode == IEEE80211_M_STA) { 1576 /* 1577 * Get information about the associated AP. 1578 */ 1579 ireq.i_type = IEEE80211_IOC_BSSID; 1580 ireq.i_data = u.req.is_u.macaddr; 1581 ireq.i_len = IEEE80211_ADDR_LEN; 1582 (void) ioctl(s, SIOCG80211, &ireq); 1583 } 1584 ireq.i_type = IEEE80211_IOC_STA_INFO; 1585 ireq.i_data = &u; 1586 ireq.i_len = sizeof(u); 1587 if (ioctl(s, SIOCG80211, &ireq) < 0) 1588 errx(1, "unable to get station information"); 1589 len = ireq.i_len; 1590 if (len < sizeof(struct ieee80211req_sta_info)) 1591 return; 1592 1593 getchaninfo(s); 1594 1595 printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %4s\n" 1596 , "ADDR" 1597 , "AID" 1598 , "CHAN" 1599 , "RATE" 1600 , "RSSI" 1601 , "IDLE" 1602 , "TXSEQ" 1603 , "RXSEQ" 1604 , "CAPS" 1605 , "FLAG" 1606 ); 1607 cp = (const uint8_t *) u.req.info; 1608 do { 1609 const struct ieee80211req_sta_info *si; 1610 1611 si = (const struct ieee80211req_sta_info *) cp; 1612 if (si->isi_len < sizeof(*si)) 1613 break; 1614 printf("%s %4u %4d %3dM %3.1f %4d %6d %6d %-4.4s %-4.4s" 1615 , ether_ntoa((const struct ether_addr*) si->isi_macaddr) 1616 , IEEE80211_AID(si->isi_associd) 1617 , ieee80211_mhz2ieee(si->isi_freq, si->isi_flags) 1618 , (si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL)/2 1619 , si->isi_rssi/2. 1620 , si->isi_inact 1621 , si->isi_txseqs[0] 1622 , si->isi_rxseqs[0] 1623 , getcaps(si->isi_capinfo) 1624 , getflags(si->isi_state) 1625 ); 1626 printies(cp + si->isi_ie_off, si->isi_ie_len, 24); 1627 printf("\n"); 1628 cp += si->isi_len, len -= si->isi_len; 1629 } while (len >= sizeof(struct ieee80211req_sta_info)); 1630 } 1631 1632 static const char * 1633 get_chaninfo(const struct ieee80211_channel *c, int precise, 1634 char buf[], size_t bsize) 1635 { 1636 buf[0] = '\0'; 1637 if (IEEE80211_IS_CHAN_FHSS(c)) 1638 strlcat(buf, " FHSS", bsize); 1639 if (IEEE80211_IS_CHAN_A(c)) { 1640 if (IEEE80211_IS_CHAN_HALF(c)) 1641 strlcat(buf, " 11a/10Mhz", bsize); 1642 else if (IEEE80211_IS_CHAN_QUARTER(c)) 1643 strlcat(buf, " 11a/5Mhz", bsize); 1644 else 1645 strlcat(buf, " 11a", bsize); 1646 } 1647 if (IEEE80211_IS_CHAN_ANYG(c)) { 1648 if (IEEE80211_IS_CHAN_HALF(c)) 1649 strlcat(buf, " 11g/10Mhz", bsize); 1650 else if (IEEE80211_IS_CHAN_QUARTER(c)) 1651 strlcat(buf, " 11g/5Mhz", bsize); 1652 else 1653 strlcat(buf, " 11g", bsize); 1654 } else if (IEEE80211_IS_CHAN_B(c)) 1655 strlcat(buf, " 11b", bsize); 1656 if (IEEE80211_IS_CHAN_TURBO(c)) 1657 strlcat(buf, " Turbo", bsize); 1658 if (precise) { 1659 if (IEEE80211_IS_CHAN_HT20(c)) 1660 strlcat(buf, " ht/20", bsize); 1661 else if (IEEE80211_IS_CHAN_HT40D(c)) 1662 strlcat(buf, " ht/40-", bsize); 1663 else if (IEEE80211_IS_CHAN_HT40U(c)) 1664 strlcat(buf, " ht/40+", bsize); 1665 } else { 1666 if (IEEE80211_IS_CHAN_HT(c)) 1667 strlcat(buf, " ht", bsize); 1668 } 1669 return buf; 1670 } 1671 1672 static void 1673 print_chaninfo(const struct ieee80211_channel *c) 1674 { 1675 char buf[14]; 1676 1677 printf("Channel %3u : %u%c Mhz%-14.14s", 1678 ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq, 1679 IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', 1680 get_chaninfo(c, verbose, buf, sizeof(buf))); 1681 } 1682 1683 static void 1684 list_channels(int s, int allchans) 1685 { 1686 struct ieee80211req_chaninfo achans; 1687 uint8_t reported[IEEE80211_CHAN_BYTES]; 1688 const struct ieee80211_channel *c; 1689 int i, half; 1690 1691 getchaninfo(s); 1692 memset(&achans, 0, sizeof(achans)); 1693 memset(reported, 0, sizeof(reported)); 1694 if (!allchans) { 1695 struct ieee80211req_chanlist active; 1696 struct ieee80211req ireq; 1697 1698 (void) memset(&ireq, 0, sizeof(ireq)); 1699 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 1700 ireq.i_type = IEEE80211_IOC_CHANLIST; 1701 ireq.i_data = &active; 1702 ireq.i_len = sizeof(active); 1703 if (ioctl(s, SIOCG80211, &ireq) < 0) 1704 errx(1, "unable to get active channel list"); 1705 memset(&achans, 0, sizeof(achans)); 1706 for (i = 0; i < chaninfo.ic_nchans; i++) { 1707 c = &chaninfo.ic_chans[i]; 1708 if (!isset(active.ic_channels, c->ic_ieee)) 1709 continue; 1710 /* 1711 * Suppress compatible duplicates unless 1712 * verbose. The kernel gives us it's 1713 * complete channel list which has separate 1714 * entries for 11g/11b and 11a/turbo. 1715 */ 1716 if (isset(reported, c->ic_ieee) && !verbose) { 1717 /* XXX we assume duplicates are adjacent */ 1718 achans.ic_chans[achans.ic_nchans-1] = *c; 1719 } else { 1720 achans.ic_chans[achans.ic_nchans++] = *c; 1721 setbit(reported, c->ic_ieee); 1722 } 1723 } 1724 } else { 1725 for (i = 0; i < chaninfo.ic_nchans; i++) { 1726 c = &chaninfo.ic_chans[i]; 1727 /* suppress duplicates as above */ 1728 if (isset(reported, c->ic_ieee) && !verbose) { 1729 /* XXX we assume duplicates are adjacent */ 1730 achans.ic_chans[achans.ic_nchans-1] = *c; 1731 } else { 1732 achans.ic_chans[achans.ic_nchans++] = *c; 1733 setbit(reported, c->ic_ieee); 1734 } 1735 } 1736 } 1737 half = achans.ic_nchans / 2; 1738 if (achans.ic_nchans % 2) 1739 half++; 1740 1741 for (i = 0; i < achans.ic_nchans / 2; i++) { 1742 print_chaninfo(&achans.ic_chans[i]); 1743 print_chaninfo(&achans.ic_chans[half+i]); 1744 printf("\n"); 1745 } 1746 if (achans.ic_nchans % 2) { 1747 print_chaninfo(&achans.ic_chans[i]); 1748 printf("\n"); 1749 } 1750 } 1751 1752 static void 1753 print_txpow(const struct ieee80211_channel *c) 1754 { 1755 printf("Channel %3u : %u Mhz %3.1f reg %2d ", 1756 c->ic_ieee, c->ic_freq, 1757 c->ic_maxpower/2., c->ic_maxregpower); 1758 } 1759 1760 static void 1761 print_txpow_verbose(const struct ieee80211_channel *c) 1762 { 1763 print_chaninfo(c); 1764 printf("min %4.1f dBm max %3.1f dBm reg %2d dBm", 1765 c->ic_minpower/2., c->ic_maxpower/2., c->ic_maxregpower); 1766 /* indicate where regulatory cap limits power use */ 1767 if (c->ic_maxpower > 2*c->ic_maxregpower) 1768 printf(" <"); 1769 } 1770 1771 static void 1772 list_txpow(int s) 1773 { 1774 struct ieee80211req_chaninfo achans; 1775 uint8_t reported[IEEE80211_CHAN_BYTES]; 1776 struct ieee80211_channel *c, *prev; 1777 int i, half; 1778 1779 getchaninfo(s); 1780 memset(&achans, 0, sizeof(achans)); 1781 memset(reported, 0, sizeof(reported)); 1782 for (i = 0; i < chaninfo.ic_nchans; i++) { 1783 c = &chaninfo.ic_chans[i]; 1784 /* suppress duplicates as above */ 1785 if (isset(reported, c->ic_ieee) && !verbose) { 1786 /* XXX we assume duplicates are adjacent */ 1787 prev = &achans.ic_chans[achans.ic_nchans-1]; 1788 /* display highest power on channel */ 1789 if (c->ic_maxpower > prev->ic_maxpower) 1790 *prev = *c; 1791 } else { 1792 achans.ic_chans[achans.ic_nchans++] = *c; 1793 setbit(reported, c->ic_ieee); 1794 } 1795 } 1796 if (!verbose) { 1797 half = achans.ic_nchans / 2; 1798 if (achans.ic_nchans % 2) 1799 half++; 1800 1801 for (i = 0; i < achans.ic_nchans / 2; i++) { 1802 print_txpow(&achans.ic_chans[i]); 1803 print_txpow(&achans.ic_chans[half+i]); 1804 printf("\n"); 1805 } 1806 if (achans.ic_nchans % 2) { 1807 print_txpow(&achans.ic_chans[i]); 1808 printf("\n"); 1809 } 1810 } else { 1811 for (i = 0; i < achans.ic_nchans; i++) { 1812 print_txpow_verbose(&achans.ic_chans[i]); 1813 printf("\n"); 1814 } 1815 } 1816 } 1817 1818 static void 1819 list_keys(int s) 1820 { 1821 } 1822 1823 #define IEEE80211_C_BITS \ 1824 "\020\1WEP\2TKIP\3AES\4AES_CCM\6CKIP\7FF\10TURBOP\11IBSS\12PMGT\13HOSTAP\14AHDEMO" \ 1825 "\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE\21MONITOR\22TKIPMIC\30WPA1" \ 1826 "\31WPA2\32BURST\33WME\34WDS\36BGSCAN\37TXFRAG" 1827 1828 static void 1829 list_capabilities(int s) 1830 { 1831 struct ieee80211req ireq; 1832 u_int32_t caps; 1833 1834 (void) memset(&ireq, 0, sizeof(ireq)); 1835 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 1836 ireq.i_type = IEEE80211_IOC_DRIVER_CAPS; 1837 if (ioctl(s, SIOCG80211, &ireq) < 0) 1838 errx(1, "unable to get driver capabilities"); 1839 caps = (((u_int16_t) ireq.i_val) << 16) | ((u_int16_t) ireq.i_len); 1840 printb(name, caps, IEEE80211_C_BITS); 1841 putchar('\n'); 1842 } 1843 1844 static void 1845 list_wme(int s) 1846 { 1847 static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" }; 1848 struct ieee80211req ireq; 1849 int ac; 1850 1851 (void) memset(&ireq, 0, sizeof(ireq)); 1852 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 1853 ireq.i_len = 0; 1854 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) { 1855 again: 1856 if (ireq.i_len & IEEE80211_WMEPARAM_BSS) 1857 printf("\t%s", " "); 1858 else 1859 printf("\t%s", acnames[ac]); 1860 1861 ireq.i_len = (ireq.i_len & IEEE80211_WMEPARAM_BSS) | ac; 1862 1863 /* show WME BSS parameters */ 1864 ireq.i_type = IEEE80211_IOC_WME_CWMIN; 1865 if (ioctl(s, SIOCG80211, &ireq) != -1) 1866 printf(" cwmin %2u", ireq.i_val); 1867 ireq.i_type = IEEE80211_IOC_WME_CWMAX; 1868 if (ioctl(s, SIOCG80211, &ireq) != -1) 1869 printf(" cwmax %2u", ireq.i_val); 1870 ireq.i_type = IEEE80211_IOC_WME_AIFS; 1871 if (ioctl(s, SIOCG80211, &ireq) != -1) 1872 printf(" aifs %2u", ireq.i_val); 1873 ireq.i_type = IEEE80211_IOC_WME_TXOPLIMIT; 1874 if (ioctl(s, SIOCG80211, &ireq) != -1) 1875 printf(" txopLimit %3u", ireq.i_val); 1876 ireq.i_type = IEEE80211_IOC_WME_ACM; 1877 if (ioctl(s, SIOCG80211, &ireq) != -1) { 1878 if (ireq.i_val) 1879 printf(" acm"); 1880 else if (verbose) 1881 printf(" -acm"); 1882 } 1883 /* !BSS only */ 1884 if ((ireq.i_len & IEEE80211_WMEPARAM_BSS) == 0) { 1885 ireq.i_type = IEEE80211_IOC_WME_ACKPOLICY; 1886 if (ioctl(s, SIOCG80211, &ireq) != -1) { 1887 if (!ireq.i_val) 1888 printf(" -ack"); 1889 else if (verbose) 1890 printf(" ack"); 1891 } 1892 } 1893 printf("\n"); 1894 if ((ireq.i_len & IEEE80211_WMEPARAM_BSS) == 0) { 1895 ireq.i_len |= IEEE80211_WMEPARAM_BSS; 1896 goto again; 1897 } else 1898 ireq.i_len &= ~IEEE80211_WMEPARAM_BSS; 1899 } 1900 } 1901 1902 static void 1903 list_mac(int s) 1904 { 1905 struct ieee80211req ireq; 1906 struct ieee80211req_maclist *acllist; 1907 int i, nacls, policy; 1908 char c; 1909 1910 (void) memset(&ireq, 0, sizeof(ireq)); 1911 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */ 1912 ireq.i_type = IEEE80211_IOC_MACCMD; 1913 ireq.i_val = IEEE80211_MACCMD_POLICY; 1914 if (ioctl(s, SIOCG80211, &ireq) < 0) { 1915 if (errno == EINVAL) { 1916 printf("No acl policy loaded\n"); 1917 return; 1918 } 1919 err(1, "unable to get mac policy"); 1920 } 1921 policy = ireq.i_val; 1922 1923 ireq.i_val = IEEE80211_MACCMD_LIST; 1924 ireq.i_len = 0; 1925 if (ioctl(s, SIOCG80211, &ireq) < 0) 1926 err(1, "unable to get mac acl list size"); 1927 if (ireq.i_len == 0) /* NB: no acls */ 1928 return; 1929 1930 ireq.i_data = malloc(ireq.i_len); 1931 if (ireq.i_data == NULL) 1932 err(1, "out of memory for acl list"); 1933 1934 if (ioctl(s, SIOCG80211, &ireq) < 0) 1935 err(1, "unable to get mac acl list"); 1936 if (policy == IEEE80211_MACCMD_POLICY_OPEN) { 1937 if (verbose) 1938 printf("policy: open\n"); 1939 c = '*'; 1940 } else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) { 1941 if (verbose) 1942 printf("policy: allow\n"); 1943 c = '+'; 1944 } else if (policy == IEEE80211_MACCMD_POLICY_DENY) { 1945 if (verbose) 1946 printf("policy: deny\n"); 1947 c = '-'; 1948 } else { 1949 printf("policy: unknown (%u)\n", policy); 1950 c = '?'; 1951 } 1952 nacls = ireq.i_len / sizeof(*acllist); 1953 acllist = (struct ieee80211req_maclist *) ireq.i_data; 1954 for (i = 0; i < nacls; i++) 1955 printf("%c%s\n", c, ether_ntoa( 1956 (const struct ether_addr *) acllist[i].ml_macaddr)); 1957 } 1958 1959 static 1960 DECL_CMD_FUNC(set80211list, arg, d) 1961 { 1962 #define iseq(a,b) (strncasecmp(a,b,sizeof(b)-1) == 0) 1963 1964 if (iseq(arg, "sta")) 1965 list_stations(s); 1966 else if (iseq(arg, "scan") || iseq(arg, "ap")) 1967 list_scan(s); 1968 else if (iseq(arg, "chan") || iseq(arg, "freq")) 1969 list_channels(s, 1); 1970 else if (iseq(arg, "active")) 1971 list_channels(s, 0); 1972 else if (iseq(arg, "keys")) 1973 list_keys(s); 1974 else if (iseq(arg, "caps")) 1975 list_capabilities(s); 1976 else if (iseq(arg, "wme")) 1977 list_wme(s); 1978 else if (iseq(arg, "mac")) 1979 list_mac(s); 1980 else if (iseq(arg, "txpow")) 1981 list_txpow(s); 1982 else 1983 errx(1, "Don't know how to list %s for %s", arg, name); 1984 #undef iseq 1985 } 1986 1987 static enum ieee80211_opmode 1988 get80211opmode(int s) 1989 { 1990 struct ifmediareq ifmr; 1991 1992 (void) memset(&ifmr, 0, sizeof(ifmr)); 1993 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1994 1995 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) { 1996 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) 1997 return IEEE80211_M_IBSS; /* XXX ahdemo */ 1998 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP) 1999 return IEEE80211_M_HOSTAP; 2000 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR) 2001 return IEEE80211_M_MONITOR; 2002 } 2003 return IEEE80211_M_STA; 2004 } 2005 2006 #if 0 2007 static void 2008 printcipher(int s, struct ieee80211req *ireq, int keylenop) 2009 { 2010 switch (ireq->i_val) { 2011 case IEEE80211_CIPHER_WEP: 2012 ireq->i_type = keylenop; 2013 if (ioctl(s, SIOCG80211, ireq) != -1) 2014 printf("WEP-%s", 2015 ireq->i_len <= 5 ? "40" : 2016 ireq->i_len <= 13 ? "104" : "128"); 2017 else 2018 printf("WEP"); 2019 break; 2020 case IEEE80211_CIPHER_TKIP: 2021 printf("TKIP"); 2022 break; 2023 case IEEE80211_CIPHER_AES_OCB: 2024 printf("AES-OCB"); 2025 break; 2026 case IEEE80211_CIPHER_AES_CCM: 2027 printf("AES-CCM"); 2028 break; 2029 case IEEE80211_CIPHER_CKIP: 2030 printf("CKIP"); 2031 break; 2032 case IEEE80211_CIPHER_NONE: 2033 printf("NONE"); 2034 break; 2035 default: 2036 printf("UNKNOWN (0x%x)", ireq->i_val); 2037 break; 2038 } 2039 } 2040 #endif 2041 2042 #define MAXCOL 78 2043 static int col; 2044 static char spacer; 2045 2046 static void 2047 LINE_BREAK(void) 2048 { 2049 if (spacer != '\t') { 2050 printf("\n"); 2051 spacer = '\t'; 2052 } 2053 col = 8; /* 8-col tab */ 2054 } 2055 2056 static void 2057 LINE_CHECK(const char *fmt, ...) 2058 { 2059 char buf[80]; 2060 va_list ap; 2061 int n; 2062 2063 va_start(ap, fmt); 2064 n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap); 2065 va_end(ap); 2066 col += 1+n; 2067 if (col > MAXCOL) { 2068 LINE_BREAK(); 2069 col += n; 2070 } 2071 buf[0] = spacer; 2072 printf("%s", buf); 2073 spacer = ' '; 2074 } 2075 2076 static void 2077 printkey(const struct ieee80211req_key *ik) 2078 { 2079 static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE]; 2080 int keylen = ik->ik_keylen; 2081 int printcontents; 2082 2083 printcontents = printkeys && 2084 (memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose); 2085 if (printcontents) 2086 LINE_BREAK(); 2087 switch (ik->ik_type) { 2088 case IEEE80211_CIPHER_WEP: 2089 /* compatibility */ 2090 LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1, 2091 keylen <= 5 ? "40-bit" : 2092 keylen <= 13 ? "104-bit" : "128-bit"); 2093 break; 2094 case IEEE80211_CIPHER_TKIP: 2095 if (keylen > 128/8) 2096 keylen -= 128/8; /* ignore MIC for now */ 2097 LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2098 break; 2099 case IEEE80211_CIPHER_AES_OCB: 2100 LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2101 break; 2102 case IEEE80211_CIPHER_AES_CCM: 2103 LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2104 break; 2105 case IEEE80211_CIPHER_CKIP: 2106 LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2107 break; 2108 case IEEE80211_CIPHER_NONE: 2109 LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2110 break; 2111 default: 2112 LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit", 2113 ik->ik_type, ik->ik_keyix+1, 8*keylen); 2114 break; 2115 } 2116 if (printcontents) { 2117 int i; 2118 2119 printf(" <"); 2120 for (i = 0; i < keylen; i++) 2121 printf("%02x", ik->ik_keydata[i]); 2122 printf(">"); 2123 if (ik->ik_type != IEEE80211_CIPHER_WEP && 2124 (ik->ik_keyrsc != 0 || verbose)) 2125 printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc); 2126 if (ik->ik_type != IEEE80211_CIPHER_WEP && 2127 (ik->ik_keytsc != 0 || verbose)) 2128 printf(" tsc %ju", (uintmax_t)ik->ik_keytsc); 2129 if (ik->ik_flags != 0 && verbose) { 2130 const char *sep = " "; 2131 2132 if (ik->ik_flags & IEEE80211_KEY_XMIT) 2133 printf("%stx", sep), sep = "+"; 2134 if (ik->ik_flags & IEEE80211_KEY_RECV) 2135 printf("%srx", sep), sep = "+"; 2136 if (ik->ik_flags & IEEE80211_KEY_DEFAULT) 2137 printf("%sdef", sep), sep = "+"; 2138 } 2139 LINE_BREAK(); 2140 } 2141 } 2142 2143 static void 2144 ieee80211_status(int s) 2145 { 2146 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2147 enum ieee80211_opmode opmode = get80211opmode(s); 2148 int i, num, wpa, wme, bgscan, bgscaninterval; 2149 struct ieee80211req ireq; 2150 u_int8_t data[32]; 2151 struct ieee80211_channel chan; 2152 const struct ieee80211_channel *c; 2153 2154 (void) memset(&ireq, 0, sizeof(ireq)); 2155 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2156 ireq.i_data = &data; 2157 2158 wpa = 0; /* unknown/not set */ 2159 bgscan = 0; /* unknown/not set */ 2160 2161 ireq.i_type = IEEE80211_IOC_SSID; 2162 ireq.i_val = -1; 2163 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2164 /* If we can't get the SSID, this isn't an 802.11 device. */ 2165 return; 2166 } 2167 num = 0; 2168 ireq.i_type = IEEE80211_IOC_NUMSSIDS; 2169 if (ioctl(s, SIOCG80211, &ireq) >= 0) 2170 num = ireq.i_val; 2171 printf("\tssid "); 2172 if (num > 1) { 2173 ireq.i_type = IEEE80211_IOC_SSID; 2174 for (ireq.i_val = 0; ireq.i_val < num; ireq.i_val++) { 2175 if (ioctl(s, SIOCG80211, &ireq) >= 0 && ireq.i_len > 0) { 2176 printf(" %d:", ireq.i_val + 1); 2177 print_string(data, ireq.i_len); 2178 } 2179 } 2180 } else 2181 print_string(data, ireq.i_len); 2182 2183 ireq.i_data = &chan; 2184 ireq.i_len = sizeof(chan); 2185 ireq.i_type = IEEE80211_IOC_CURCHAN; 2186 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2187 /* fall back to legacy ioctl */ 2188 ireq.i_data = NULL; 2189 ireq.i_len = 0; 2190 ireq.i_type = IEEE80211_IOC_CHANNEL; 2191 if (ioctl(s, SIOCG80211, &ireq) < 0) 2192 goto end; 2193 getchaninfo(s); 2194 mapchan(&chan, ireq.i_val, 0); 2195 } 2196 c = &chan; 2197 if (c->ic_freq != IEEE80211_CHAN_ANY) { 2198 char buf[14]; 2199 printf(" channel %d (%u Mhz%s)", c->ic_ieee, c->ic_freq, 2200 get_chaninfo(c, 1, buf, sizeof(buf))); 2201 } else if (verbose) 2202 printf(" channel UNDEF"); 2203 ireq.i_data = &data; /* reset data buffer */ 2204 2205 ireq.i_type = IEEE80211_IOC_BSSID; 2206 ireq.i_len = IEEE80211_ADDR_LEN; 2207 if (ioctl(s, SIOCG80211, &ireq) >= 0 && 2208 (memcmp(ireq.i_data, zerobssid, sizeof(zerobssid)) != 0 || verbose)) 2209 printf(" bssid %s", ether_ntoa(ireq.i_data)); 2210 2211 ireq.i_type = IEEE80211_IOC_STATIONNAME; 2212 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2213 printf("\n\tstationname "); 2214 print_string(data, ireq.i_len); 2215 } 2216 2217 spacer = ' '; /* force first break */ 2218 LINE_BREAK(); 2219 2220 ireq.i_type = IEEE80211_IOC_AUTHMODE; 2221 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2222 switch (ireq.i_val) { 2223 case IEEE80211_AUTH_NONE: 2224 LINE_CHECK("authmode NONE"); 2225 break; 2226 case IEEE80211_AUTH_OPEN: 2227 LINE_CHECK("authmode OPEN"); 2228 break; 2229 case IEEE80211_AUTH_SHARED: 2230 LINE_CHECK("authmode SHARED"); 2231 break; 2232 case IEEE80211_AUTH_8021X: 2233 LINE_CHECK("authmode 802.1x"); 2234 break; 2235 case IEEE80211_AUTH_WPA: 2236 ireq.i_type = IEEE80211_IOC_WPA; 2237 if (ioctl(s, SIOCG80211, &ireq) != -1) 2238 wpa = ireq.i_val; 2239 if (!wpa) 2240 wpa = 1; /* default to WPA1 */ 2241 switch (wpa) { 2242 case 2: 2243 LINE_CHECK("authmode WPA2/802.11i"); 2244 break; 2245 case 3: 2246 LINE_CHECK("authmode WPA1+WPA2/802.11i"); 2247 break; 2248 default: 2249 LINE_CHECK("authmode WPA"); 2250 break; 2251 } 2252 break; 2253 case IEEE80211_AUTH_AUTO: 2254 LINE_CHECK("authmode AUTO"); 2255 break; 2256 default: 2257 LINE_CHECK("authmode UNKNOWN (0x%x)", 2258 ireq.i_val); 2259 break; 2260 } 2261 } 2262 2263 ireq.i_type = IEEE80211_IOC_WEP; 2264 if (ioctl(s, SIOCG80211, &ireq) != -1 && 2265 ireq.i_val != IEEE80211_WEP_NOSUP) { 2266 int firstkey, wepmode; 2267 2268 wepmode = ireq.i_val; 2269 switch (wepmode) { 2270 case IEEE80211_WEP_OFF: 2271 LINE_CHECK("privacy OFF"); 2272 break; 2273 case IEEE80211_WEP_ON: 2274 LINE_CHECK("privacy ON"); 2275 break; 2276 case IEEE80211_WEP_MIXED: 2277 LINE_CHECK("privacy MIXED"); 2278 break; 2279 default: 2280 LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode); 2281 break; 2282 } 2283 2284 /* 2285 * If we get here then we've got WEP support so we need 2286 * to print WEP status. 2287 */ 2288 2289 ireq.i_type = IEEE80211_IOC_WEPTXKEY; 2290 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2291 warn("WEP support, but no tx key!"); 2292 goto end; 2293 } 2294 if (ireq.i_val != -1) 2295 LINE_CHECK("deftxkey %d", ireq.i_val+1); 2296 else if (wepmode != IEEE80211_WEP_OFF || verbose) 2297 LINE_CHECK("deftxkey UNDEF"); 2298 2299 ireq.i_type = IEEE80211_IOC_NUMWEPKEYS; 2300 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2301 warn("WEP support, but no NUMWEPKEYS support!"); 2302 goto end; 2303 } 2304 num = ireq.i_val; 2305 2306 firstkey = 1; 2307 for (i = 0; i < num; i++) { 2308 struct ieee80211req_key ik; 2309 2310 memset(&ik, 0, sizeof(ik)); 2311 ik.ik_keyix = i; 2312 ireq.i_type = IEEE80211_IOC_WPAKEY; 2313 ireq.i_data = &ik; 2314 ireq.i_len = sizeof(ik); 2315 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2316 warn("WEP support, but can get keys!"); 2317 goto end; 2318 } 2319 if (ik.ik_keylen != 0) { 2320 if (verbose) 2321 LINE_BREAK(); 2322 printkey(&ik); 2323 firstkey = 0; 2324 } 2325 } 2326 ireq.i_data = &data; /* reset data buffer */ 2327 } 2328 2329 ireq.i_type = IEEE80211_IOC_POWERSAVE; 2330 if (ioctl(s, SIOCG80211, &ireq) != -1 && 2331 ireq.i_val != IEEE80211_POWERSAVE_NOSUP ) { 2332 if (ireq.i_val != IEEE80211_POWERSAVE_OFF || verbose) { 2333 switch (ireq.i_val) { 2334 case IEEE80211_POWERSAVE_OFF: 2335 LINE_CHECK("powersavemode OFF"); 2336 break; 2337 case IEEE80211_POWERSAVE_CAM: 2338 LINE_CHECK("powersavemode CAM"); 2339 break; 2340 case IEEE80211_POWERSAVE_PSP: 2341 LINE_CHECK("powersavemode PSP"); 2342 break; 2343 case IEEE80211_POWERSAVE_PSP_CAM: 2344 LINE_CHECK("powersavemode PSP-CAM"); 2345 break; 2346 } 2347 ireq.i_type = IEEE80211_IOC_POWERSAVESLEEP; 2348 if (ioctl(s, SIOCG80211, &ireq) != -1) 2349 LINE_CHECK("powersavesleep %d", ireq.i_val); 2350 } 2351 } 2352 2353 ireq.i_type = IEEE80211_IOC_TXPOWMAX; 2354 if (ioctl(s, SIOCG80211, &ireq) != -1) 2355 LINE_CHECK("txpowmax %d", ireq.i_val); 2356 2357 if (verbose) { 2358 ireq.i_type = IEEE80211_IOC_TXPOWER; 2359 if (ioctl(s, SIOCG80211, &ireq) != -1) 2360 LINE_CHECK("txpower %d", ireq.i_val); 2361 } 2362 2363 ireq.i_type = IEEE80211_IOC_RTSTHRESHOLD; 2364 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2365 if (ireq.i_val != IEEE80211_RTS_MAX || verbose) 2366 LINE_CHECK("rtsthreshold %d", ireq.i_val); 2367 } 2368 2369 ireq.i_type = IEEE80211_IOC_FRAGTHRESHOLD; 2370 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2371 if (ireq.i_val != IEEE80211_FRAG_MAX || verbose) 2372 LINE_CHECK("fragthreshold %d", ireq.i_val); 2373 } 2374 ireq.i_type = IEEE80211_IOC_BMISSTHRESHOLD; 2375 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2376 if (ireq.i_val != IEEE80211_HWBMISS_MAX || verbose) 2377 LINE_CHECK("bmiss %d", ireq.i_val); 2378 } 2379 2380 ireq.i_type = IEEE80211_IOC_MCAST_RATE; 2381 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2382 if (ireq.i_val != 2*1 || verbose) { 2383 if (ireq.i_val == 11) 2384 LINE_CHECK("mcastrate 5.5"); 2385 else 2386 LINE_CHECK("mcastrate %d", ireq.i_val/2); 2387 } 2388 } 2389 2390 ireq.i_type = IEEE80211_IOC_BGSCAN_INTERVAL; 2391 if (ioctl(s, SIOCG80211, &ireq) != -1) 2392 bgscaninterval = ireq.i_val; 2393 else 2394 bgscaninterval = -1; 2395 2396 ireq.i_type = IEEE80211_IOC_SCANVALID; 2397 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2398 if (ireq.i_val != bgscaninterval || verbose) 2399 LINE_CHECK("scanvalid %u", ireq.i_val); 2400 } 2401 2402 ireq.i_type = IEEE80211_IOC_BGSCAN; 2403 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2404 bgscan = ireq.i_val; 2405 if (ireq.i_val) 2406 LINE_CHECK("bgscan"); 2407 else if (verbose) 2408 LINE_CHECK("-bgscan"); 2409 } 2410 if (bgscan || verbose) { 2411 if (bgscaninterval != -1) 2412 LINE_CHECK("bgscanintvl %u", bgscaninterval); 2413 ireq.i_type = IEEE80211_IOC_BGSCAN_IDLE; 2414 if (ioctl(s, SIOCG80211, &ireq) != -1) 2415 LINE_CHECK("bgscanidle %u", ireq.i_val); 2416 if (IEEE80211_IS_CHAN_A(c) || verbose) { 2417 ireq.i_type = IEEE80211_IOC_ROAM_RSSI_11A; 2418 if (ioctl(s, SIOCG80211, &ireq) != -1) 2419 LINE_CHECK("roam:rssi11a %d", ireq.i_val); 2420 ireq.i_type = IEEE80211_IOC_ROAM_RATE_11A; 2421 if (ioctl(s, SIOCG80211, &ireq) != -1) 2422 LINE_CHECK("roam:rate11a %u", ireq.i_val/2); 2423 } 2424 if (IEEE80211_IS_CHAN_B(c) || verbose) { 2425 ireq.i_type = IEEE80211_IOC_ROAM_RSSI_11B; 2426 if (ioctl(s, SIOCG80211, &ireq) != -1) 2427 LINE_CHECK("roam:rssi11b %d", ireq.i_val); 2428 ireq.i_type = IEEE80211_IOC_ROAM_RATE_11B; 2429 if (ioctl(s, SIOCG80211, &ireq) != -1) 2430 LINE_CHECK("roam:rate11b %u", ireq.i_val/2); 2431 } 2432 if (IEEE80211_IS_CHAN_ANYG(c) || verbose) { 2433 ireq.i_type = IEEE80211_IOC_ROAM_RSSI_11G; 2434 if (ioctl(s, SIOCG80211, &ireq) != -1) 2435 LINE_CHECK("roam:rssi11g %d", ireq.i_val); 2436 ireq.i_type = IEEE80211_IOC_ROAM_RATE_11G; 2437 if (ioctl(s, SIOCG80211, &ireq) != -1) 2438 LINE_CHECK("roam:rate11g %u", ireq.i_val/2); 2439 } 2440 } 2441 2442 if (IEEE80211_IS_CHAN_ANYG(c) || verbose) { 2443 ireq.i_type = IEEE80211_IOC_PUREG; 2444 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2445 if (ireq.i_val) 2446 LINE_CHECK("pureg"); 2447 else if (verbose) 2448 LINE_CHECK("-pureg"); 2449 } 2450 ireq.i_type = IEEE80211_IOC_PROTMODE; 2451 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2452 switch (ireq.i_val) { 2453 case IEEE80211_PROTMODE_OFF: 2454 LINE_CHECK("protmode OFF"); 2455 break; 2456 case IEEE80211_PROTMODE_CTS: 2457 LINE_CHECK("protmode CTS"); 2458 break; 2459 case IEEE80211_PROTMODE_RTSCTS: 2460 LINE_CHECK("protmode RTSCTS"); 2461 break; 2462 default: 2463 LINE_CHECK("protmode UNKNOWN (0x%x)", 2464 ireq.i_val); 2465 break; 2466 } 2467 } 2468 } 2469 2470 ireq.i_type = IEEE80211_IOC_WME; 2471 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2472 wme = ireq.i_val; 2473 if (wme) 2474 LINE_CHECK("wme"); 2475 else if (verbose) 2476 LINE_CHECK("-wme"); 2477 } else 2478 wme = 0; 2479 2480 ireq.i_type = IEEE80211_IOC_BURST; 2481 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2482 if (ireq.i_val) 2483 LINE_CHECK("burst"); 2484 else if (verbose) 2485 LINE_CHECK("-burst"); 2486 } 2487 2488 ireq.i_type = IEEE80211_IOC_FF; 2489 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2490 if (ireq.i_val) 2491 LINE_CHECK("ff"); 2492 else if (verbose) 2493 LINE_CHECK("-ff"); 2494 } 2495 ireq.i_type = IEEE80211_IOC_TURBOP; 2496 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2497 if (ireq.i_val) 2498 LINE_CHECK("dturbo"); 2499 else if (verbose) 2500 LINE_CHECK("-dturbo"); 2501 } 2502 2503 if (opmode == IEEE80211_M_HOSTAP) { 2504 ireq.i_type = IEEE80211_IOC_HIDESSID; 2505 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2506 if (ireq.i_val) 2507 LINE_CHECK("hidessid"); 2508 else if (verbose) 2509 LINE_CHECK("-hidessid"); 2510 } 2511 2512 ireq.i_type = IEEE80211_IOC_APBRIDGE; 2513 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2514 if (!ireq.i_val) 2515 LINE_CHECK("-apbridge"); 2516 else if (verbose) 2517 LINE_CHECK("apbridge"); 2518 } 2519 2520 ireq.i_type = IEEE80211_IOC_DTIM_PERIOD; 2521 if (ioctl(s, SIOCG80211, &ireq) != -1) 2522 LINE_CHECK("dtimperiod %u", ireq.i_val); 2523 2524 ireq.i_type = IEEE80211_IOC_DOTH; 2525 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2526 if (!ireq.i_val) 2527 LINE_CHECK("-doth"); 2528 else if (verbose) 2529 LINE_CHECK("doth"); 2530 } 2531 } else { 2532 ireq.i_type = IEEE80211_IOC_ROAMING; 2533 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2534 if (ireq.i_val != IEEE80211_ROAMING_AUTO || verbose) { 2535 switch (ireq.i_val) { 2536 case IEEE80211_ROAMING_DEVICE: 2537 LINE_CHECK("roaming DEVICE"); 2538 break; 2539 case IEEE80211_ROAMING_AUTO: 2540 LINE_CHECK("roaming AUTO"); 2541 break; 2542 case IEEE80211_ROAMING_MANUAL: 2543 LINE_CHECK("roaming MANUAL"); 2544 break; 2545 default: 2546 LINE_CHECK("roaming UNKNOWN (0x%x)", 2547 ireq.i_val); 2548 break; 2549 } 2550 } 2551 } 2552 } 2553 ireq.i_type = IEEE80211_IOC_BEACON_INTERVAL; 2554 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2555 if (ireq.i_val) 2556 LINE_CHECK("bintval %u", ireq.i_val); 2557 else if (verbose) 2558 LINE_CHECK("bintval %u", ireq.i_val); 2559 } 2560 2561 if (wme && verbose) { 2562 LINE_BREAK(); 2563 list_wme(s); 2564 } 2565 2566 if (wpa) { 2567 ireq.i_type = IEEE80211_IOC_COUNTERMEASURES; 2568 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2569 if (ireq.i_val) 2570 LINE_CHECK("countermeasures"); 2571 else if (verbose) 2572 LINE_CHECK("-countermeasures"); 2573 } 2574 #if 0 2575 /* XXX not interesting with WPA done in user space */ 2576 ireq.i_type = IEEE80211_IOC_KEYMGTALGS; 2577 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2578 } 2579 2580 ireq.i_type = IEEE80211_IOC_MCASTCIPHER; 2581 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2582 LINE_CHECK("mcastcipher "); 2583 printcipher(s, &ireq, IEEE80211_IOC_MCASTKEYLEN); 2584 spacer = ' '; 2585 } 2586 2587 ireq.i_type = IEEE80211_IOC_UCASTCIPHER; 2588 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2589 LINE_CHECK("ucastcipher "); 2590 printcipher(s, &ireq, IEEE80211_IOC_UCASTKEYLEN); 2591 } 2592 2593 if (wpa & 2) { 2594 ireq.i_type = IEEE80211_IOC_RSNCAPS; 2595 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2596 LINE_CHECK("RSN caps 0x%x", ireq.i_val); 2597 spacer = ' '; 2598 } 2599 } 2600 2601 ireq.i_type = IEEE80211_IOC_UCASTCIPHERS; 2602 if (ioctl(s, SIOCG80211, &ireq) != -1) { 2603 } 2604 #endif 2605 LINE_BREAK(); 2606 } 2607 LINE_BREAK(); 2608 2609 end: 2610 return; 2611 } 2612 2613 static void 2614 set80211(int s, int type, int val, int len, void *data) 2615 { 2616 struct ieee80211req ireq; 2617 2618 (void) memset(&ireq, 0, sizeof(ireq)); 2619 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2620 ireq.i_type = type; 2621 ireq.i_val = val; 2622 ireq.i_len = len; 2623 ireq.i_data = data; 2624 if (ioctl(s, SIOCS80211, &ireq) < 0) 2625 err(1, "SIOCS80211"); 2626 } 2627 2628 static const char * 2629 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 2630 { 2631 int len; 2632 int hexstr; 2633 u_int8_t *p; 2634 2635 len = *lenp; 2636 p = buf; 2637 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 2638 if (hexstr) 2639 val += 2; 2640 for (;;) { 2641 if (*val == '\0') 2642 break; 2643 if (sep != NULL && strchr(sep, *val) != NULL) { 2644 val++; 2645 break; 2646 } 2647 if (hexstr) { 2648 if (!isxdigit((u_char)val[0])) { 2649 warnx("bad hexadecimal digits"); 2650 return NULL; 2651 } 2652 if (!isxdigit((u_char)val[1])) { 2653 warnx("odd count hexadecimal digits"); 2654 return NULL; 2655 } 2656 } 2657 if (p >= buf + len) { 2658 if (hexstr) 2659 warnx("hexadecimal digits too long"); 2660 else 2661 warnx("string too long"); 2662 return NULL; 2663 } 2664 if (hexstr) { 2665 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 2666 *p++ = (tohex((u_char)val[0]) << 4) | 2667 tohex((u_char)val[1]); 2668 #undef tohex 2669 val += 2; 2670 } else 2671 *p++ = *val++; 2672 } 2673 len = p - buf; 2674 /* The string "-" is treated as the empty string. */ 2675 if (!hexstr && len == 1 && buf[0] == '-') { 2676 len = 0; 2677 memset(buf, 0, *lenp); 2678 } else if (len < *lenp) 2679 memset(p, 0, *lenp - len); 2680 *lenp = len; 2681 return val; 2682 } 2683 2684 static void 2685 print_string(const u_int8_t *buf, int len) 2686 { 2687 int i; 2688 int hasspc; 2689 2690 i = 0; 2691 hasspc = 0; 2692 for (; i < len; i++) { 2693 if (!isprint(buf[i]) && buf[i] != '\0') 2694 break; 2695 if (isspace(buf[i])) 2696 hasspc++; 2697 } 2698 if (i == len) { 2699 if (hasspc || len == 0 || buf[0] == '\0') 2700 printf("\"%.*s\"", len, buf); 2701 else 2702 printf("%.*s", len, buf); 2703 } else { 2704 printf("0x"); 2705 for (i = 0; i < len; i++) 2706 printf("%02x", buf[i]); 2707 } 2708 } 2709 2710 static struct cmd ieee80211_cmds[] = { 2711 DEF_CMD_ARG("ssid", set80211ssid), 2712 DEF_CMD_ARG("nwid", set80211ssid), 2713 DEF_CMD_ARG("stationname", set80211stationname), 2714 DEF_CMD_ARG("station", set80211stationname), /* BSD/OS */ 2715 DEF_CMD_ARG("channel", set80211channel), 2716 DEF_CMD_ARG("authmode", set80211authmode), 2717 DEF_CMD_ARG("powersavemode", set80211powersavemode), 2718 DEF_CMD("powersave", 1, set80211powersave), 2719 DEF_CMD("-powersave", 0, set80211powersave), 2720 DEF_CMD_ARG("powersavesleep", set80211powersavesleep), 2721 DEF_CMD_ARG("wepmode", set80211wepmode), 2722 DEF_CMD("wep", 1, set80211wep), 2723 DEF_CMD("-wep", 0, set80211wep), 2724 DEF_CMD_ARG("deftxkey", set80211weptxkey), 2725 DEF_CMD_ARG("weptxkey", set80211weptxkey), 2726 DEF_CMD_ARG("wepkey", set80211wepkey), 2727 DEF_CMD_ARG("nwkey", set80211nwkey), /* NetBSD */ 2728 DEF_CMD("-nwkey", 0, set80211wep), /* NetBSD */ 2729 DEF_CMD_ARG("rtsthreshold", set80211rtsthreshold), 2730 DEF_CMD_ARG("protmode", set80211protmode), 2731 DEF_CMD_ARG("txpower", set80211txpower), 2732 DEF_CMD_ARG("roaming", set80211roaming), 2733 DEF_CMD("wme", 1, set80211wme), 2734 DEF_CMD("-wme", 0, set80211wme), 2735 DEF_CMD("hidessid", 1, set80211hidessid), 2736 DEF_CMD("-hidessid", 0, set80211hidessid), 2737 DEF_CMD("apbridge", 1, set80211apbridge), 2738 DEF_CMD("-apbridge", 0, set80211apbridge), 2739 DEF_CMD_ARG("chanlist", set80211chanlist), 2740 DEF_CMD_ARG("bssid", set80211bssid), 2741 DEF_CMD_ARG("ap", set80211bssid), 2742 DEF_CMD("scan", 0, set80211scan), 2743 DEF_CMD_ARG("list", set80211list), 2744 DEF_CMD_ARG2("cwmin", set80211cwmin), 2745 DEF_CMD_ARG2("cwmax", set80211cwmax), 2746 DEF_CMD_ARG2("aifs", set80211aifs), 2747 DEF_CMD_ARG2("txoplimit", set80211txoplimit), 2748 DEF_CMD_ARG("acm", set80211acm), 2749 DEF_CMD_ARG("-acm", set80211noacm), 2750 DEF_CMD_ARG("ack", set80211ackpolicy), 2751 DEF_CMD_ARG("-ack", set80211noackpolicy), 2752 DEF_CMD_ARG2("bss:cwmin", set80211bsscwmin), 2753 DEF_CMD_ARG2("bss:cwmax", set80211bsscwmax), 2754 DEF_CMD_ARG2("bss:aifs", set80211bssaifs), 2755 DEF_CMD_ARG2("bss:txoplimit", set80211bsstxoplimit), 2756 DEF_CMD_ARG("dtimperiod", set80211dtimperiod), 2757 DEF_CMD_ARG("bintval", set80211bintval), 2758 DEF_CMD("mac:open", IEEE80211_MACCMD_POLICY_OPEN, set80211maccmd), 2759 DEF_CMD("mac:allow", IEEE80211_MACCMD_POLICY_ALLOW, set80211maccmd), 2760 DEF_CMD("mac:deny", IEEE80211_MACCMD_POLICY_DENY, set80211maccmd), 2761 DEF_CMD("mac:flush", IEEE80211_MACCMD_FLUSH, set80211maccmd), 2762 DEF_CMD("mac:detach", IEEE80211_MACCMD_DETACH, set80211maccmd), 2763 DEF_CMD_ARG("mac:add", set80211addmac), 2764 DEF_CMD_ARG("mac:del", set80211delmac), 2765 DEF_CMD_ARG("mac:kick", set80211kickmac), 2766 DEF_CMD("pureg", 1, set80211pureg), 2767 DEF_CMD("-pureg", 0, set80211pureg), 2768 DEF_CMD("ff", 1, set80211fastframes), 2769 DEF_CMD("-ff", 0, set80211fastframes), 2770 DEF_CMD("dturbo", 1, set80211dturbo), 2771 DEF_CMD("-dturbo", 0, set80211dturbo), 2772 DEF_CMD("bgscan", 1, set80211bgscan), 2773 DEF_CMD("-bgscan", 0, set80211bgscan), 2774 DEF_CMD_ARG("bgscanidle", set80211bgscanidle), 2775 DEF_CMD_ARG("bgscanintvl", set80211bgscanintvl), 2776 DEF_CMD_ARG("scanvalid", set80211scanvalid), 2777 DEF_CMD_ARG("roam:rssi11a", set80211roamrssi11a), 2778 DEF_CMD_ARG("roam:rssi11b", set80211roamrssi11b), 2779 DEF_CMD_ARG("roam:rssi11g", set80211roamrssi11g), 2780 DEF_CMD_ARG("roam:rate11a", set80211roamrate11a), 2781 DEF_CMD_ARG("roam:rate11b", set80211roamrate11b), 2782 DEF_CMD_ARG("roam:rate11g", set80211roamrate11g), 2783 DEF_CMD_ARG("mcastrate", set80211mcastrate), 2784 DEF_CMD_ARG("fragthreshold", set80211fragthreshold), 2785 DEF_CMD("burst", 1, set80211burst), 2786 DEF_CMD("-burst", 0, set80211burst), 2787 DEF_CMD_ARG("bmiss", set80211bmissthreshold), 2788 DEF_CMD_ARG("bmissthreshold", set80211bmissthreshold), 2789 DEF_CMD("doth", 1, set80211doth), 2790 DEF_CMD("-doth", 0, set80211doth), 2791 }; 2792 static struct afswtch af_ieee80211 = { 2793 .af_name = "af_ieee80211", 2794 .af_af = AF_UNSPEC, 2795 .af_other_status = ieee80211_status, 2796 }; 2797 2798 static __constructor void 2799 ieee80211_ctor(void) 2800 { 2801 #define N(a) (sizeof(a) / sizeof(a[0])) 2802 int i; 2803 2804 for (i = 0; i < N(ieee80211_cmds); i++) 2805 cmd_register(&ieee80211_cmds[i]); 2806 af_register(&af_ieee80211); 2807 #undef N 2808 } 2809