ifieee80211.c revision 175953
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: head/sbin/ifconfig/ifieee80211.c 175953 2008-02-03 18:29:58Z sam $ 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#include <stddef.h> /* NB: for offsetof */ 95 96#include "ifconfig.h" 97 98#define MAXCOL 78 99static int col; 100static char spacer; 101 102static void LINE_INIT(char c); 103static void LINE_BREAK(void); 104static void LINE_CHECK(const char *fmt, ...); 105 106/* XXX need max array size */ 107static const int htrates[16] = { 108 13, /* IFM_IEEE80211_MCS0 */ 109 26, /* IFM_IEEE80211_MCS1 */ 110 39, /* IFM_IEEE80211_MCS2 */ 111 52, /* IFM_IEEE80211_MCS3 */ 112 78, /* IFM_IEEE80211_MCS4 */ 113 104, /* IFM_IEEE80211_MCS5 */ 114 117, /* IFM_IEEE80211_MCS6 */ 115 130, /* IFM_IEEE80211_MCS7 */ 116 26, /* IFM_IEEE80211_MCS8 */ 117 52, /* IFM_IEEE80211_MCS9 */ 118 78, /* IFM_IEEE80211_MCS10 */ 119 104, /* IFM_IEEE80211_MCS11 */ 120 156, /* IFM_IEEE80211_MCS12 */ 121 208, /* IFM_IEEE80211_MCS13 */ 122 234, /* IFM_IEEE80211_MCS14 */ 123 260, /* IFM_IEEE80211_MCS15 */ 124}; 125 126static int get80211(int s, int type, void *data, int len); 127static int get80211len(int s, int type, void *data, int len, int *plen); 128static int get80211val(int s, int type, int *val); 129static void set80211(int s, int type, int val, int len, void *data); 130static const char *get_string(const char *val, const char *sep, 131 u_int8_t *buf, int *lenp); 132static void print_string(const u_int8_t *buf, int len); 133 134static struct ieee80211req_chaninfo chaninfo; 135static struct ifmediareq *ifmr; 136static struct ieee80211_channel curchan; 137static int gotcurchan = 0; 138static int htconf = 0; 139static int gothtconf = 0; 140 141static void 142gethtconf(int s) 143{ 144 if (gothtconf) 145 return; 146 if (get80211val(s, IEEE80211_IOC_HTCONF, &htconf) < 0) 147 warn("unable to get HT configuration information"); 148 gothtconf = 1; 149} 150 151/* 152 * Collect channel info from the kernel. We use this (mostly) 153 * to handle mapping between frequency and IEEE channel number. 154 */ 155static void 156getchaninfo(int s) 157{ 158 if (chaninfo.ic_nchans != 0) 159 return; 160 if (get80211(s, IEEE80211_IOC_CHANINFO, &chaninfo, sizeof(chaninfo)) < 0) 161 errx(1, "unable to get channel information"); 162 163 ifmr = ifmedia_getstate(s); 164 gethtconf(s); 165} 166 167/* 168 * Given the channel at index i with attributes from, 169 * check if there is a channel with attributes to in 170 * the channel table. With suitable attributes this 171 * allows the caller to look for promotion; e.g. from 172 * 11b > 11g. 173 */ 174static int 175canpromote(int i, int from, int to) 176{ 177 const struct ieee80211_channel *fc = &chaninfo.ic_chans[i]; 178 int j; 179 180 if ((fc->ic_flags & from) != from) 181 return i; 182 /* NB: quick check exploiting ordering of chans w/ same frequency */ 183 if (i+1 < chaninfo.ic_nchans && 184 chaninfo.ic_chans[i+1].ic_freq == fc->ic_freq && 185 (chaninfo.ic_chans[i+1].ic_flags & to) == to) 186 return i+1; 187 /* brute force search in case channel list is not ordered */ 188 for (j = 0; j < chaninfo.ic_nchans; j++) { 189 const struct ieee80211_channel *tc = &chaninfo.ic_chans[j]; 190 if (j != i && 191 tc->ic_freq == fc->ic_freq && (tc->ic_flags & to) == to) 192 return j; 193 } 194 return i; 195} 196 197/* 198 * Handle channel promotion. When a channel is specified with 199 * only a frequency we want to promote it to the ``best'' channel 200 * available. The channel list has separate entries for 11b, 11g, 201 * 11a, and 11n[ga] channels so specifying a frequency w/o any 202 * attributes requires we upgrade, e.g. from 11b -> 11g. This 203 * gets complicated when the channel is specified on the same 204 * command line with a media request that constrains the available 205 * channe list (e.g. mode 11a); we want to honor that to avoid 206 * confusing behaviour. 207 */ 208static int 209promote(int i) 210{ 211 /* 212 * Query the current mode of the interface in case it's 213 * constrained (e.g. to 11a). We must do this carefully 214 * as there may be a pending ifmedia request in which case 215 * asking the kernel will give us the wrong answer. This 216 * is an unfortunate side-effect of the way ifconfig is 217 * structure for modularity (yech). 218 * 219 * NB: ifmr is actually setup in getchaninfo (above); we 220 * assume it's called coincident with to this call so 221 * we have a ``current setting''; otherwise we must pass 222 * the socket descriptor down to here so we can make 223 * the ifmedia_getstate call ourselves. 224 */ 225 int chanmode = ifmr != NULL ? IFM_MODE(ifmr->ifm_current) : IFM_AUTO; 226 227 /* when ambiguous promote to ``best'' */ 228 /* NB: we abitrarily pick HT40+ over HT40- */ 229 if (chanmode != IFM_IEEE80211_11B) 230 i = canpromote(i, IEEE80211_CHAN_B, IEEE80211_CHAN_G); 231 if (chanmode != IFM_IEEE80211_11G && (htconf & 1)) { 232 i = canpromote(i, IEEE80211_CHAN_G, 233 IEEE80211_CHAN_G | IEEE80211_CHAN_HT20); 234 if (htconf & 2) { 235 i = canpromote(i, IEEE80211_CHAN_G, 236 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D); 237 i = canpromote(i, IEEE80211_CHAN_G, 238 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U); 239 } 240 } 241 if (chanmode != IFM_IEEE80211_11A && (htconf & 1)) { 242 i = canpromote(i, IEEE80211_CHAN_A, 243 IEEE80211_CHAN_A | IEEE80211_CHAN_HT20); 244 if (htconf & 2) { 245 i = canpromote(i, IEEE80211_CHAN_A, 246 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D); 247 i = canpromote(i, IEEE80211_CHAN_A, 248 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U); 249 } 250 } 251 return i; 252} 253 254static void 255mapfreq(struct ieee80211_channel *chan, int freq, int flags) 256{ 257 int i; 258 259 for (i = 0; i < chaninfo.ic_nchans; i++) { 260 const struct ieee80211_channel *c = &chaninfo.ic_chans[i]; 261 262 if (c->ic_freq == freq && (c->ic_flags & flags) == flags) { 263 if (flags == 0) { 264 /* when ambiguous promote to ``best'' */ 265 c = &chaninfo.ic_chans[promote(i)]; 266 } 267 *chan = *c; 268 return; 269 } 270 } 271 errx(1, "unknown/undefined frequency %u/0x%x", freq, flags); 272} 273 274static void 275mapchan(struct ieee80211_channel *chan, int ieee, int flags) 276{ 277 int i; 278 279 for (i = 0; i < chaninfo.ic_nchans; i++) { 280 const struct ieee80211_channel *c = &chaninfo.ic_chans[i]; 281 282 if (c->ic_ieee == ieee && (c->ic_flags & flags) == flags) { 283 if (flags == 0) { 284 /* when ambiguous promote to ``best'' */ 285 c = &chaninfo.ic_chans[promote(i)]; 286 } 287 *chan = *c; 288 return; 289 } 290 } 291 errx(1, "unknown/undefined channel number %d flags 0x%x", ieee, flags); 292} 293 294static const struct ieee80211_channel * 295getcurchan(int s) 296{ 297 if (gotcurchan) 298 return &curchan; 299 if (get80211(s, IEEE80211_IOC_CURCHAN, &curchan, sizeof(curchan)) < 0) { 300 int val; 301 /* fall back to legacy ioctl */ 302 if (get80211val(s, IEEE80211_IOC_CHANNEL, &val) < 0) 303 errx(-1, "cannot figure out current channel"); 304 getchaninfo(s); 305 mapchan(&curchan, val, 0); 306 } 307 gotcurchan = 1; 308 return &curchan; 309} 310 311static int 312ieee80211_mhz2ieee(int freq, int flags) 313{ 314 struct ieee80211_channel chan; 315 mapfreq(&chan, freq, flags); 316 return chan.ic_ieee; 317} 318 319static int 320isanyarg(const char *arg) 321{ 322 return (strncmp(arg, "-", 1) == 0 || 323 strncasecmp(arg, "any", 3) == 0 || strncasecmp(arg, "off", 3) == 0); 324} 325 326static void 327set80211ssid(const char *val, int d, int s, const struct afswtch *rafp) 328{ 329 int ssid; 330 int len; 331 u_int8_t data[IEEE80211_NWID_LEN]; 332 333 ssid = 0; 334 len = strlen(val); 335 if (len > 2 && isdigit(val[0]) && val[1] == ':') { 336 ssid = atoi(val)-1; 337 val += 2; 338 } 339 340 bzero(data, sizeof(data)); 341 len = sizeof(data); 342 if (get_string(val, NULL, data, &len) == NULL) 343 exit(1); 344 345 set80211(s, IEEE80211_IOC_SSID, ssid, len, data); 346} 347 348static void 349set80211stationname(const char *val, int d, int s, const struct afswtch *rafp) 350{ 351 int len; 352 u_int8_t data[33]; 353 354 bzero(data, sizeof(data)); 355 len = sizeof(data); 356 get_string(val, NULL, data, &len); 357 358 set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data); 359} 360 361/* 362 * Parse a channel specification for attributes/flags. 363 * The syntax is: 364 * freq/xx channel width (5,10,20,40,40+,40-) 365 * freq:mode channel mode (a,b,g,h,n,t,s,d) 366 * 367 * These can be combined in either order; e.g. 2437:ng/40. 368 * Modes are case insensitive. 369 * 370 * The result is not validated here; it's assumed to be 371 * checked against the channel table fetched from the kernel. 372 */ 373static int 374getchannelflags(const char *val, int freq) 375{ 376#define _CHAN_HT 0x80000000 377 const char *cp; 378 int flags; 379 380 flags = 0; 381 382 cp = strchr(val, ':'); 383 if (cp != NULL) { 384 for (cp++; isalpha((int) *cp); cp++) { 385 /* accept mixed case */ 386 int c = *cp; 387 if (isupper(c)) 388 c = tolower(c); 389 switch (c) { 390 case 'a': /* 802.11a */ 391 flags |= IEEE80211_CHAN_A; 392 break; 393 case 'b': /* 802.11b */ 394 flags |= IEEE80211_CHAN_B; 395 break; 396 case 'g': /* 802.11g */ 397 flags |= IEEE80211_CHAN_G; 398 break; 399 case 'h': /* ht = 802.11n */ 400 case 'n': /* 802.11n */ 401 flags |= _CHAN_HT; /* NB: private */ 402 break; 403 case 'd': /* dt = Atheros Dynamic Turbo */ 404 flags |= IEEE80211_CHAN_TURBO; 405 break; 406 case 't': /* ht, dt, st, t */ 407 /* dt and unadorned t specify Dynamic Turbo */ 408 if ((flags & (IEEE80211_CHAN_STURBO|_CHAN_HT)) == 0) 409 flags |= IEEE80211_CHAN_TURBO; 410 break; 411 case 's': /* st = Atheros Static Turbo */ 412 flags |= IEEE80211_CHAN_STURBO; 413 break; 414 default: 415 errx(-1, "%s: Invalid channel attribute %c\n", 416 val, *cp); 417 } 418 } 419 } 420 cp = strchr(val, '/'); 421 if (cp != NULL) { 422 char *ep; 423 u_long cw = strtoul(cp+1, &ep, 10); 424 425 switch (cw) { 426 case 5: 427 flags |= IEEE80211_CHAN_QUARTER; 428 break; 429 case 10: 430 flags |= IEEE80211_CHAN_HALF; 431 break; 432 case 20: 433 /* NB: this may be removed below */ 434 flags |= IEEE80211_CHAN_HT20; 435 break; 436 case 40: 437 if (ep != NULL && *ep == '+') 438 flags |= IEEE80211_CHAN_HT40U; 439 else if (ep != NULL && *ep == '-') 440 flags |= IEEE80211_CHAN_HT40D; 441 break; 442 default: 443 errx(-1, "%s: Invalid channel width\n", val); 444 } 445 } 446 /* 447 * Cleanup specifications. 448 */ 449 if ((flags & _CHAN_HT) == 0) { 450 /* 451 * If user specified freq/20 or freq/40 quietly remove 452 * HT cw attributes depending on channel use. To give 453 * an explicit 20/40 width for an HT channel you must 454 * indicate it is an HT channel since all HT channels 455 * are also usable for legacy operation; e.g. freq:n/40. 456 */ 457 flags &= ~IEEE80211_CHAN_HT; 458 } else { 459 /* 460 * Remove private indicator that this is an HT channel 461 * and if no explicit channel width has been given 462 * provide the default settings. 463 */ 464 flags &= ~_CHAN_HT; 465 if ((flags & IEEE80211_CHAN_HT) == 0) { 466 struct ieee80211_channel chan; 467 /* 468 * Consult the channel list to see if we can use 469 * HT40+ or HT40- (if both the map routines choose). 470 */ 471 if (freq > 255) 472 mapfreq(&chan, freq, 0); 473 else 474 mapchan(&chan, freq, 0); 475 flags |= (chan.ic_flags & IEEE80211_CHAN_HT); 476 } 477 } 478 return flags; 479#undef _CHAN_HT 480} 481 482static void 483set80211channel(const char *val, int d, int s, const struct afswtch *rafp) 484{ 485 struct ieee80211_channel chan; 486 487 memset(&chan, 0, sizeof(chan)); 488 if (!isanyarg(val)) { 489 int v, flags; 490 491 getchaninfo(s); 492 v = atoi(val); 493 flags = getchannelflags(val, v); 494 if (v > 255) { /* treat as frequency */ 495 mapfreq(&chan, v, flags); 496 } else { 497 mapchan(&chan, v, flags); 498 } 499 } else { 500 chan.ic_freq = IEEE80211_CHAN_ANY; 501 } 502 set80211(s, IEEE80211_IOC_CURCHAN, 0, sizeof(chan), &chan); 503} 504 505static void 506set80211authmode(const char *val, int d, int s, const struct afswtch *rafp) 507{ 508 int mode; 509 510 if (strcasecmp(val, "none") == 0) { 511 mode = IEEE80211_AUTH_NONE; 512 } else if (strcasecmp(val, "open") == 0) { 513 mode = IEEE80211_AUTH_OPEN; 514 } else if (strcasecmp(val, "shared") == 0) { 515 mode = IEEE80211_AUTH_SHARED; 516 } else if (strcasecmp(val, "8021x") == 0) { 517 mode = IEEE80211_AUTH_8021X; 518 } else if (strcasecmp(val, "wpa") == 0) { 519 mode = IEEE80211_AUTH_WPA; 520 } else { 521 errx(1, "unknown authmode"); 522 } 523 524 set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL); 525} 526 527static void 528set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp) 529{ 530 int mode; 531 532 if (strcasecmp(val, "off") == 0) { 533 mode = IEEE80211_POWERSAVE_OFF; 534 } else if (strcasecmp(val, "on") == 0) { 535 mode = IEEE80211_POWERSAVE_ON; 536 } else if (strcasecmp(val, "cam") == 0) { 537 mode = IEEE80211_POWERSAVE_CAM; 538 } else if (strcasecmp(val, "psp") == 0) { 539 mode = IEEE80211_POWERSAVE_PSP; 540 } else if (strcasecmp(val, "psp-cam") == 0) { 541 mode = IEEE80211_POWERSAVE_PSP_CAM; 542 } else { 543 errx(1, "unknown powersavemode"); 544 } 545 546 set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL); 547} 548 549static void 550set80211powersave(const char *val, int d, int s, const struct afswtch *rafp) 551{ 552 if (d == 0) 553 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF, 554 0, NULL); 555 else 556 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON, 557 0, NULL); 558} 559 560static void 561set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp) 562{ 563 set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL); 564} 565 566static void 567set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp) 568{ 569 int mode; 570 571 if (strcasecmp(val, "off") == 0) { 572 mode = IEEE80211_WEP_OFF; 573 } else if (strcasecmp(val, "on") == 0) { 574 mode = IEEE80211_WEP_ON; 575 } else if (strcasecmp(val, "mixed") == 0) { 576 mode = IEEE80211_WEP_MIXED; 577 } else { 578 errx(1, "unknown wep mode"); 579 } 580 581 set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL); 582} 583 584static void 585set80211wep(const char *val, int d, int s, const struct afswtch *rafp) 586{ 587 set80211(s, IEEE80211_IOC_WEP, d, 0, NULL); 588} 589 590static int 591isundefarg(const char *arg) 592{ 593 return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0); 594} 595 596static void 597set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp) 598{ 599 if (isundefarg(val)) 600 set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL); 601 else 602 set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL); 603} 604 605static void 606set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp) 607{ 608 int key = 0; 609 int len; 610 u_int8_t data[IEEE80211_KEYBUF_SIZE]; 611 612 if (isdigit(val[0]) && val[1] == ':') { 613 key = atoi(val)-1; 614 val += 2; 615 } 616 617 bzero(data, sizeof(data)); 618 len = sizeof(data); 619 get_string(val, NULL, data, &len); 620 621 set80211(s, IEEE80211_IOC_WEPKEY, key, len, data); 622} 623 624/* 625 * This function is purely a NetBSD compatability interface. The NetBSD 626 * interface is too inflexible, but it's there so we'll support it since 627 * it's not all that hard. 628 */ 629static void 630set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp) 631{ 632 int txkey; 633 int i, len; 634 u_int8_t data[IEEE80211_KEYBUF_SIZE]; 635 636 set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL); 637 638 if (isdigit(val[0]) && val[1] == ':') { 639 txkey = val[0]-'0'-1; 640 val += 2; 641 642 for (i = 0; i < 4; i++) { 643 bzero(data, sizeof(data)); 644 len = sizeof(data); 645 val = get_string(val, ",", data, &len); 646 if (val == NULL) 647 exit(1); 648 649 set80211(s, IEEE80211_IOC_WEPKEY, i, len, data); 650 } 651 } else { 652 bzero(data, sizeof(data)); 653 len = sizeof(data); 654 get_string(val, NULL, data, &len); 655 txkey = 0; 656 657 set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data); 658 659 bzero(data, sizeof(data)); 660 for (i = 1; i < 4; i++) 661 set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data); 662 } 663 664 set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL); 665} 666 667static void 668set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp) 669{ 670 set80211(s, IEEE80211_IOC_RTSTHRESHOLD, 671 isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL); 672} 673 674static void 675set80211protmode(const char *val, int d, int s, const struct afswtch *rafp) 676{ 677 int mode; 678 679 if (strcasecmp(val, "off") == 0) { 680 mode = IEEE80211_PROTMODE_OFF; 681 } else if (strcasecmp(val, "cts") == 0) { 682 mode = IEEE80211_PROTMODE_CTS; 683 } else if (strncasecmp(val, "rtscts", 3) == 0) { 684 mode = IEEE80211_PROTMODE_RTSCTS; 685 } else { 686 errx(1, "unknown protection mode"); 687 } 688 689 set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL); 690} 691 692static void 693set80211htprotmode(const char *val, int d, int s, const struct afswtch *rafp) 694{ 695 int mode; 696 697 if (strcasecmp(val, "off") == 0) { 698 mode = IEEE80211_PROTMODE_OFF; 699 } else if (strncasecmp(val, "rts", 3) == 0) { 700 mode = IEEE80211_PROTMODE_RTSCTS; 701 } else { 702 errx(1, "unknown protection mode"); 703 } 704 705 set80211(s, IEEE80211_IOC_HTPROTMODE, mode, 0, NULL); 706} 707 708static void 709set80211txpower(const char *val, int d, int s, const struct afswtch *rafp) 710{ 711 double v = atof(val); 712 int txpow; 713 714 txpow = (int) (2*v); 715 if (txpow != 2*v) 716 errx(-1, "invalid tx power (must be .5 dBm units)"); 717 set80211(s, IEEE80211_IOC_TXPOWER, txpow, 0, NULL); 718} 719 720#define IEEE80211_ROAMING_DEVICE 0 721#define IEEE80211_ROAMING_AUTO 1 722#define IEEE80211_ROAMING_MANUAL 2 723 724static void 725set80211roaming(const char *val, int d, int s, const struct afswtch *rafp) 726{ 727 int mode; 728 729 if (strcasecmp(val, "device") == 0) { 730 mode = IEEE80211_ROAMING_DEVICE; 731 } else if (strcasecmp(val, "auto") == 0) { 732 mode = IEEE80211_ROAMING_AUTO; 733 } else if (strcasecmp(val, "manual") == 0) { 734 mode = IEEE80211_ROAMING_MANUAL; 735 } else { 736 errx(1, "unknown roaming mode"); 737 } 738 set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL); 739} 740 741static void 742set80211wme(const char *val, int d, int s, const struct afswtch *rafp) 743{ 744 set80211(s, IEEE80211_IOC_WME, d, 0, NULL); 745} 746 747static void 748set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp) 749{ 750 set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL); 751} 752 753static void 754set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp) 755{ 756 set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL); 757} 758 759static void 760set80211fastframes(const char *val, int d, int s, const struct afswtch *rafp) 761{ 762 set80211(s, IEEE80211_IOC_FF, d, 0, NULL); 763} 764 765static void 766set80211dturbo(const char *val, int d, int s, const struct afswtch *rafp) 767{ 768 set80211(s, IEEE80211_IOC_TURBOP, d, 0, NULL); 769} 770 771static void 772set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp) 773{ 774 struct ieee80211req_chanlist chanlist; 775#define MAXCHAN (sizeof(chanlist.ic_channels)*NBBY) 776 char *temp, *cp, *tp; 777 778 temp = malloc(strlen(val) + 1); 779 if (temp == NULL) 780 errx(1, "malloc failed"); 781 strcpy(temp, val); 782 memset(&chanlist, 0, sizeof(chanlist)); 783 cp = temp; 784 for (;;) { 785 int first, last, f, c; 786 787 tp = strchr(cp, ','); 788 if (tp != NULL) 789 *tp++ = '\0'; 790 switch (sscanf(cp, "%u-%u", &first, &last)) { 791 case 1: 792 if (first > MAXCHAN) 793 errx(-1, "channel %u out of range, max %zu", 794 first, MAXCHAN); 795 setbit(chanlist.ic_channels, first); 796 break; 797 case 2: 798 if (first > MAXCHAN) 799 errx(-1, "channel %u out of range, max %zu", 800 first, MAXCHAN); 801 if (last > MAXCHAN) 802 errx(-1, "channel %u out of range, max %zu", 803 last, MAXCHAN); 804 if (first > last) 805 errx(-1, "void channel range, %u > %u", 806 first, last); 807 for (f = first; f <= last; f++) 808 setbit(chanlist.ic_channels, f); 809 break; 810 } 811 if (tp == NULL) 812 break; 813 c = *tp; 814 while (isspace(c)) 815 tp++; 816 if (!isdigit(c)) 817 break; 818 cp = tp; 819 } 820 set80211(s, IEEE80211_IOC_CHANLIST, 0, sizeof(chanlist), &chanlist); 821#undef MAXCHAN 822} 823 824static void 825set80211bssid(const char *val, int d, int s, const struct afswtch *rafp) 826{ 827 828 if (!isanyarg(val)) { 829 char *temp; 830 struct sockaddr_dl sdl; 831 832 temp = malloc(strlen(val) + 2); /* ':' and '\0' */ 833 if (temp == NULL) 834 errx(1, "malloc failed"); 835 temp[0] = ':'; 836 strcpy(temp + 1, val); 837 sdl.sdl_len = sizeof(sdl); 838 link_addr(temp, &sdl); 839 free(temp); 840 if (sdl.sdl_alen != IEEE80211_ADDR_LEN) 841 errx(1, "malformed link-level address"); 842 set80211(s, IEEE80211_IOC_BSSID, 0, 843 IEEE80211_ADDR_LEN, LLADDR(&sdl)); 844 } else { 845 uint8_t zerobssid[IEEE80211_ADDR_LEN]; 846 memset(zerobssid, 0, sizeof(zerobssid)); 847 set80211(s, IEEE80211_IOC_BSSID, 0, 848 IEEE80211_ADDR_LEN, zerobssid); 849 } 850} 851 852static int 853getac(const char *ac) 854{ 855 if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0) 856 return WME_AC_BE; 857 if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0) 858 return WME_AC_BK; 859 if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0) 860 return WME_AC_VI; 861 if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0) 862 return WME_AC_VO; 863 errx(1, "unknown wme access class %s", ac); 864} 865 866static 867DECL_CMD_FUNC2(set80211cwmin, ac, val) 868{ 869 set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL); 870} 871 872static 873DECL_CMD_FUNC2(set80211cwmax, ac, val) 874{ 875 set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL); 876} 877 878static 879DECL_CMD_FUNC2(set80211aifs, ac, val) 880{ 881 set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL); 882} 883 884static 885DECL_CMD_FUNC2(set80211txoplimit, ac, val) 886{ 887 set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL); 888} 889 890static 891DECL_CMD_FUNC(set80211acm, ac, d) 892{ 893 set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL); 894} 895static 896DECL_CMD_FUNC(set80211noacm, ac, d) 897{ 898 set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL); 899} 900 901static 902DECL_CMD_FUNC(set80211ackpolicy, ac, d) 903{ 904 set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL); 905} 906static 907DECL_CMD_FUNC(set80211noackpolicy, ac, d) 908{ 909 set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL); 910} 911 912static 913DECL_CMD_FUNC2(set80211bsscwmin, ac, val) 914{ 915 set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), 916 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 917} 918 919static 920DECL_CMD_FUNC2(set80211bsscwmax, ac, val) 921{ 922 set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), 923 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 924} 925 926static 927DECL_CMD_FUNC2(set80211bssaifs, ac, val) 928{ 929 set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), 930 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 931} 932 933static 934DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val) 935{ 936 set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), 937 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL); 938} 939 940static 941DECL_CMD_FUNC(set80211dtimperiod, val, d) 942{ 943 set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL); 944} 945 946static 947DECL_CMD_FUNC(set80211bintval, val, d) 948{ 949 set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL); 950} 951 952static void 953set80211macmac(int s, int op, const char *val) 954{ 955 char *temp; 956 struct sockaddr_dl sdl; 957 958 temp = malloc(strlen(val) + 2); /* ':' and '\0' */ 959 if (temp == NULL) 960 errx(1, "malloc failed"); 961 temp[0] = ':'; 962 strcpy(temp + 1, val); 963 sdl.sdl_len = sizeof(sdl); 964 link_addr(temp, &sdl); 965 free(temp); 966 if (sdl.sdl_alen != IEEE80211_ADDR_LEN) 967 errx(1, "malformed link-level address"); 968 set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl)); 969} 970 971static 972DECL_CMD_FUNC(set80211addmac, val, d) 973{ 974 set80211macmac(s, IEEE80211_IOC_ADDMAC, val); 975} 976 977static 978DECL_CMD_FUNC(set80211delmac, val, d) 979{ 980 set80211macmac(s, IEEE80211_IOC_DELMAC, val); 981} 982 983static 984DECL_CMD_FUNC(set80211kickmac, val, d) 985{ 986 char *temp; 987 struct sockaddr_dl sdl; 988 struct ieee80211req_mlme mlme; 989 990 temp = malloc(strlen(val) + 2); /* ':' and '\0' */ 991 if (temp == NULL) 992 errx(1, "malloc failed"); 993 temp[0] = ':'; 994 strcpy(temp + 1, val); 995 sdl.sdl_len = sizeof(sdl); 996 link_addr(temp, &sdl); 997 free(temp); 998 if (sdl.sdl_alen != IEEE80211_ADDR_LEN) 999 errx(1, "malformed link-level address"); 1000 memset(&mlme, 0, sizeof(mlme)); 1001 mlme.im_op = IEEE80211_MLME_DEAUTH; 1002 mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE; 1003 memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN); 1004 set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), &mlme); 1005} 1006 1007static 1008DECL_CMD_FUNC(set80211maccmd, val, d) 1009{ 1010 set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL); 1011} 1012 1013static void 1014set80211pureg(const char *val, int d, int s, const struct afswtch *rafp) 1015{ 1016 set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL); 1017} 1018 1019static void 1020set80211bgscan(const char *val, int d, int s, const struct afswtch *rafp) 1021{ 1022 set80211(s, IEEE80211_IOC_BGSCAN, d, 0, NULL); 1023} 1024 1025static 1026DECL_CMD_FUNC(set80211bgscanidle, val, d) 1027{ 1028 set80211(s, IEEE80211_IOC_BGSCAN_IDLE, atoi(val), 0, NULL); 1029} 1030 1031static 1032DECL_CMD_FUNC(set80211bgscanintvl, val, d) 1033{ 1034 set80211(s, IEEE80211_IOC_BGSCAN_INTERVAL, atoi(val), 0, NULL); 1035} 1036 1037static 1038DECL_CMD_FUNC(set80211scanvalid, val, d) 1039{ 1040 set80211(s, IEEE80211_IOC_SCANVALID, atoi(val), 0, NULL); 1041} 1042 1043static 1044DECL_CMD_FUNC(set80211roamrssi11a, val, d) 1045{ 1046 set80211(s, IEEE80211_IOC_ROAM_RSSI_11A, atoi(val), 0, NULL); 1047} 1048 1049static 1050DECL_CMD_FUNC(set80211roamrssi11b, val, d) 1051{ 1052 set80211(s, IEEE80211_IOC_ROAM_RSSI_11B, atoi(val), 0, NULL); 1053} 1054 1055static 1056DECL_CMD_FUNC(set80211roamrssi11g, val, d) 1057{ 1058 set80211(s, IEEE80211_IOC_ROAM_RSSI_11G, atoi(val), 0, NULL); 1059} 1060 1061static 1062DECL_CMD_FUNC(set80211roamrate11a, val, d) 1063{ 1064 set80211(s, IEEE80211_IOC_ROAM_RATE_11A, 2*atoi(val), 0, NULL); 1065} 1066 1067static 1068DECL_CMD_FUNC(set80211roamrate11b, val, d) 1069{ 1070 set80211(s, IEEE80211_IOC_ROAM_RATE_11B, 2*atoi(val), 0, NULL); 1071} 1072 1073static 1074DECL_CMD_FUNC(set80211roamrate11g, val, d) 1075{ 1076 set80211(s, IEEE80211_IOC_ROAM_RATE_11G, 2*atoi(val), 0, NULL); 1077} 1078 1079static 1080DECL_CMD_FUNC(set80211mcastrate, val, d) 1081{ 1082 set80211(s, IEEE80211_IOC_MCAST_RATE, 2*atoi(val), 0, NULL); 1083} 1084 1085static 1086DECL_CMD_FUNC(set80211fragthreshold, val, d) 1087{ 1088 set80211(s, IEEE80211_IOC_FRAGTHRESHOLD, 1089 isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL); 1090} 1091 1092static 1093DECL_CMD_FUNC(set80211bmissthreshold, val, d) 1094{ 1095 set80211(s, IEEE80211_IOC_BMISSTHRESHOLD, 1096 isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL); 1097} 1098 1099static void 1100set80211burst(const char *val, int d, int s, const struct afswtch *rafp) 1101{ 1102 set80211(s, IEEE80211_IOC_BURST, d, 0, NULL); 1103} 1104 1105static void 1106set80211doth(const char *val, int d, int s, const struct afswtch *rafp) 1107{ 1108 set80211(s, IEEE80211_IOC_DOTH, d, 0, NULL); 1109} 1110 1111static void 1112set80211shortgi(const char *val, int d, int s, const struct afswtch *rafp) 1113{ 1114 set80211(s, IEEE80211_IOC_SHORTGI, 1115 d ? (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) : 0, 1116 0, NULL); 1117} 1118 1119static void 1120set80211ampdu(const char *val, int d, int s, const struct afswtch *rafp) 1121{ 1122 int ampdu; 1123 1124 if (get80211val(s, IEEE80211_IOC_AMPDU, &du) < 0) 1125 errx(-1, "cannot get AMPDU setting"); 1126 if (d < 0) { 1127 d = -d; 1128 ampdu &= ~d; 1129 } else 1130 ampdu |= d; 1131 set80211(s, IEEE80211_IOC_AMPDU, ampdu, 0, NULL); 1132} 1133 1134static 1135DECL_CMD_FUNC(set80211ampdulimit, val, d) 1136{ 1137 int v; 1138 1139 switch (atoi(val)) { 1140 case 8: 1141 case 8*1024: 1142 v = IEEE80211_HTCAP_MAXRXAMPDU_8K; 1143 break; 1144 case 16: 1145 case 16*1024: 1146 v = IEEE80211_HTCAP_MAXRXAMPDU_16K; 1147 break; 1148 case 32: 1149 case 32*1024: 1150 v = IEEE80211_HTCAP_MAXRXAMPDU_32K; 1151 break; 1152 case 64: 1153 case 64*1024: 1154 v = IEEE80211_HTCAP_MAXRXAMPDU_64K; 1155 break; 1156 default: 1157 errx(-1, "invalid A-MPDU limit %s", val); 1158 } 1159 set80211(s, IEEE80211_IOC_AMPDU_LIMIT, v, 0, NULL); 1160} 1161 1162static 1163DECL_CMD_FUNC(set80211ampdudensity, val, d) 1164{ 1165 int v; 1166 1167 if (isanyarg(val)) 1168 v = IEEE80211_HTCAP_MPDUDENSITY_NA; 1169 else switch ((int)(atof(val)*4)) { 1170 case 0: 1171 v = IEEE80211_HTCAP_MPDUDENSITY_NA; 1172 break; 1173 case 1: 1174 v = IEEE80211_HTCAP_MPDUDENSITY_025; 1175 break; 1176 case 2: 1177 v = IEEE80211_HTCAP_MPDUDENSITY_05; 1178 break; 1179 case 4: 1180 v = IEEE80211_HTCAP_MPDUDENSITY_1; 1181 break; 1182 case 8: 1183 v = IEEE80211_HTCAP_MPDUDENSITY_2; 1184 break; 1185 case 16: 1186 v = IEEE80211_HTCAP_MPDUDENSITY_4; 1187 break; 1188 case 32: 1189 v = IEEE80211_HTCAP_MPDUDENSITY_8; 1190 break; 1191 case 64: 1192 v = IEEE80211_HTCAP_MPDUDENSITY_16; 1193 break; 1194 default: 1195 errx(-1, "invalid A-MPDU density %s", val); 1196 } 1197 set80211(s, IEEE80211_IOC_AMPDU_DENSITY, v, 0, NULL); 1198} 1199 1200static void 1201set80211amsdu(const char *val, int d, int s, const struct afswtch *rafp) 1202{ 1203 int amsdu; 1204 1205 if (get80211val(s, IEEE80211_IOC_AMSDU, &amsdu) < 0) 1206 errx(-1, "cannot get AMSDU setting"); 1207 if (d < 0) { 1208 d = -d; 1209 amsdu &= ~d; 1210 } else 1211 amsdu |= d; 1212 set80211(s, IEEE80211_IOC_AMSDU, amsdu, 0, NULL); 1213} 1214 1215static 1216DECL_CMD_FUNC(set80211amsdulimit, val, d) 1217{ 1218 set80211(s, IEEE80211_IOC_AMSDU_LIMIT, atoi(val), 0, NULL); 1219} 1220 1221static void 1222set80211puren(const char *val, int d, int s, const struct afswtch *rafp) 1223{ 1224 set80211(s, IEEE80211_IOC_PUREN, d, 0, NULL); 1225} 1226 1227static void 1228set80211htcompat(const char *val, int d, int s, const struct afswtch *rafp) 1229{ 1230 set80211(s, IEEE80211_IOC_HTCOMPAT, d, 0, NULL); 1231} 1232 1233static void 1234set80211htconf(const char *val, int d, int s, const struct afswtch *rafp) 1235{ 1236 set80211(s, IEEE80211_IOC_HTCONF, d, 0, NULL); 1237 htconf = d; 1238} 1239 1240static void 1241set80211inact(const char *val, int d, int s, const struct afswtch *rafp) 1242{ 1243 set80211(s, IEEE80211_IOC_INACTIVITY, d, 0, NULL); 1244} 1245 1246static void 1247LINE_INIT(char c) 1248{ 1249 spacer = c; 1250 if (c == '\t') 1251 col = 8; 1252 else 1253 col = 1; 1254} 1255 1256static void 1257LINE_BREAK(void) 1258{ 1259 if (spacer != '\t') { 1260 printf("\n"); 1261 spacer = '\t'; 1262 } 1263 col = 8; /* 8-col tab */ 1264} 1265 1266static void 1267LINE_CHECK(const char *fmt, ...) 1268{ 1269 char buf[80]; 1270 va_list ap; 1271 int n; 1272 1273 va_start(ap, fmt); 1274 n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap); 1275 va_end(ap); 1276 col += 1+n; 1277 if (col > MAXCOL) { 1278 LINE_BREAK(); 1279 col += n; 1280 } 1281 buf[0] = spacer; 1282 printf("%s", buf); 1283 spacer = ' '; 1284} 1285 1286static int 1287getmaxrate(const uint8_t rates[15], uint8_t nrates) 1288{ 1289 int i, maxrate = -1; 1290 1291 for (i = 0; i < nrates; i++) { 1292 int rate = rates[i] & IEEE80211_RATE_VAL; 1293 if (rate > maxrate) 1294 maxrate = rate; 1295 } 1296 return maxrate / 2; 1297} 1298 1299static const char * 1300getcaps(int capinfo) 1301{ 1302 static char capstring[32]; 1303 char *cp = capstring; 1304 1305 if (capinfo & IEEE80211_CAPINFO_ESS) 1306 *cp++ = 'E'; 1307 if (capinfo & IEEE80211_CAPINFO_IBSS) 1308 *cp++ = 'I'; 1309 if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE) 1310 *cp++ = 'c'; 1311 if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ) 1312 *cp++ = 'C'; 1313 if (capinfo & IEEE80211_CAPINFO_PRIVACY) 1314 *cp++ = 'P'; 1315 if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) 1316 *cp++ = 'S'; 1317 if (capinfo & IEEE80211_CAPINFO_PBCC) 1318 *cp++ = 'B'; 1319 if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY) 1320 *cp++ = 'A'; 1321 if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME) 1322 *cp++ = 's'; 1323 if (capinfo & IEEE80211_CAPINFO_RSN) 1324 *cp++ = 'R'; 1325 if (capinfo & IEEE80211_CAPINFO_DSSSOFDM) 1326 *cp++ = 'D'; 1327 *cp = '\0'; 1328 return capstring; 1329} 1330 1331static const char * 1332getflags(int flags) 1333{ 1334/* XXX need these publicly defined or similar */ 1335#define IEEE80211_NODE_AUTH 0x0001 /* authorized for data */ 1336#define IEEE80211_NODE_QOS 0x0002 /* QoS enabled */ 1337#define IEEE80211_NODE_ERP 0x0004 /* ERP enabled */ 1338#define IEEE80211_NODE_PWR_MGT 0x0010 /* power save mode enabled */ 1339#define IEEE80211_NODE_HT 0x0040 /* HT enabled */ 1340#define IEEE80211_NODE_HTCOMPAT 0x0080 /* HT setup w/ vendor OUI's */ 1341#define IEEE80211_NODE_WPS 0x0100 /* WPS association */ 1342#define IEEE80211_NODE_TSN 0x0200 /* TSN association */ 1343 1344 static char flagstring[32]; 1345 char *cp = flagstring; 1346 1347 if (flags & IEEE80211_NODE_AUTH) 1348 *cp++ = 'A'; 1349 if (flags & IEEE80211_NODE_QOS) 1350 *cp++ = 'Q'; 1351 if (flags & IEEE80211_NODE_ERP) 1352 *cp++ = 'E'; 1353 if (flags & IEEE80211_NODE_PWR_MGT) 1354 *cp++ = 'P'; 1355 if (flags & IEEE80211_NODE_HT) { 1356 *cp++ = 'H'; 1357 if (flags & IEEE80211_NODE_HTCOMPAT) 1358 *cp++ = '+'; 1359 } 1360 if (flags & IEEE80211_NODE_WPS) 1361 *cp++ = 'W'; 1362 if (flags & IEEE80211_NODE_TSN) 1363 *cp++ = 'T'; 1364 *cp = '\0'; 1365 return flagstring; 1366#undef IEEE80211_NODE_TSN 1367#undef IEEE80211_NODE_WPS 1368#undef IEEE80211_NODE_HTCOMPAT 1369#undef IEEE80211_NODE_HT 1370#undef IEEE80211_NODE_AUTH 1371#undef IEEE80211_NODE_QOS 1372#undef IEEE80211_NODE_ERP 1373#undef IEEE80211_NODE_PWR_MGT 1374} 1375 1376static void 1377printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen) 1378{ 1379 printf("%s", tag); 1380 if (verbose) { 1381 maxlen -= strlen(tag)+2; 1382 if (2*ielen > maxlen) 1383 maxlen--; 1384 printf("<"); 1385 for (; ielen > 0; ie++, ielen--) { 1386 if (maxlen-- <= 0) 1387 break; 1388 printf("%02x", *ie); 1389 } 1390 if (ielen != 0) 1391 printf("-"); 1392 printf(">"); 1393 } 1394} 1395 1396#define LE_READ_2(p) \ 1397 ((u_int16_t) \ 1398 ((((const u_int8_t *)(p))[0] ) | \ 1399 (((const u_int8_t *)(p))[1] << 8))) 1400#define LE_READ_4(p) \ 1401 ((u_int32_t) \ 1402 ((((const u_int8_t *)(p))[0] ) | \ 1403 (((const u_int8_t *)(p))[1] << 8) | \ 1404 (((const u_int8_t *)(p))[2] << 16) | \ 1405 (((const u_int8_t *)(p))[3] << 24))) 1406 1407/* 1408 * NB: The decoding routines assume a properly formatted ie 1409 * which should be safe as the kernel only retains them 1410 * if they parse ok. 1411 */ 1412 1413static void 1414printwmeparam(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1415{ 1416#define MS(_v, _f) (((_v) & _f) >> _f##_S) 1417 static const char *acnames[] = { "BE", "BK", "VO", "VI" }; 1418 const struct ieee80211_wme_param *wme = 1419 (const struct ieee80211_wme_param *) ie; 1420 int i; 1421 1422 printf("%s", tag); 1423 if (!verbose) 1424 return; 1425 printf("<qosinfo 0x%x", wme->param_qosInfo); 1426 ie += offsetof(struct ieee80211_wme_param, params_acParams); 1427 for (i = 0; i < WME_NUM_AC; i++) { 1428 const struct ieee80211_wme_acparams *ac = 1429 &wme->params_acParams[i]; 1430 1431 printf(" %s[%saifsn %u cwmin %u cwmax %u txop %u]" 1432 , acnames[i] 1433 , MS(ac->acp_aci_aifsn, WME_PARAM_ACM) ? "acm " : "" 1434 , MS(ac->acp_aci_aifsn, WME_PARAM_AIFSN) 1435 , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMIN) 1436 , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMAX) 1437 , LE_READ_2(&ac->acp_txop) 1438 ); 1439 } 1440 printf(">"); 1441#undef MS 1442} 1443 1444static void 1445printwmeinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1446{ 1447 printf("%s", tag); 1448 if (verbose) { 1449 const struct ieee80211_wme_info *wme = 1450 (const struct ieee80211_wme_info *) ie; 1451 printf("<version 0x%x info 0x%x>", 1452 wme->wme_version, wme->wme_info); 1453 } 1454} 1455 1456static void 1457printhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1458{ 1459 printf("%s", tag); 1460 if (verbose) { 1461 const struct ieee80211_ie_htcap *htcap = 1462 (const struct ieee80211_ie_htcap *) ie; 1463 const char *sep; 1464 int i, j; 1465 1466 printf("<cap 0x%x param 0x%x", 1467 LE_READ_2(&htcap->hc_cap), htcap->hc_param); 1468 printf(" mcsset["); 1469 sep = ""; 1470 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++) 1471 if (isset(htcap->hc_mcsset, i)) { 1472 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++) 1473 if (isclr(htcap->hc_mcsset, j)) 1474 break; 1475 j--; 1476 if (i == j) 1477 printf("%s%u", sep, i); 1478 else 1479 printf("%s%u-%u", sep, i, j); 1480 i += j-i; 1481 sep = ","; 1482 } 1483 printf("] extcap 0x%x txbf 0x%x antenna 0x%x>", 1484 LE_READ_2(&htcap->hc_extcap), 1485 LE_READ_4(&htcap->hc_txbf), 1486 htcap->hc_antenna); 1487 } 1488} 1489 1490static void 1491printhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1492{ 1493 printf("%s", tag); 1494 if (verbose) { 1495 const struct ieee80211_ie_htinfo *htinfo = 1496 (const struct ieee80211_ie_htinfo *) ie; 1497 const char *sep; 1498 int i, j; 1499 1500 printf("<ctl %u, %x,%x,%x,%x", htinfo->hi_ctrlchannel, 1501 htinfo->hi_byte1, htinfo->hi_byte2, htinfo->hi_byte3, 1502 LE_READ_2(&htinfo->hi_byte45)); 1503 printf(" basicmcs["); 1504 sep = ""; 1505 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++) 1506 if (isset(htinfo->hi_basicmcsset, i)) { 1507 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++) 1508 if (isclr(htinfo->hi_basicmcsset, j)) 1509 break; 1510 j--; 1511 if (i == j) 1512 printf("%s%u", sep, i); 1513 else 1514 printf("%s%u-%u", sep, i, j); 1515 i += j-i; 1516 sep = ","; 1517 } 1518 printf("]>"); 1519 } 1520} 1521 1522static void 1523printathie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1524{ 1525 1526 printf("%s", tag); 1527 if (verbose) { 1528 const struct ieee80211_ath_ie *ath = 1529 (const struct ieee80211_ath_ie *)ie; 1530 1531 printf("<"); 1532 if (ath->ath_capability & ATHEROS_CAP_TURBO_PRIME) 1533 printf("DTURBO,"); 1534 if (ath->ath_capability & ATHEROS_CAP_COMPRESSION) 1535 printf("COMP,"); 1536 if (ath->ath_capability & ATHEROS_CAP_FAST_FRAME) 1537 printf("FF,"); 1538 if (ath->ath_capability & ATHEROS_CAP_XR) 1539 printf("XR,"); 1540 if (ath->ath_capability & ATHEROS_CAP_AR) 1541 printf("AR,"); 1542 if (ath->ath_capability & ATHEROS_CAP_BURST) 1543 printf("BURST,"); 1544 if (ath->ath_capability & ATHEROS_CAP_WME) 1545 printf("WME,"); 1546 if (ath->ath_capability & ATHEROS_CAP_BOOST) 1547 printf("BOOST,"); 1548 printf("0x%x>", LE_READ_2(ath->ath_defkeyix)); 1549 } 1550} 1551 1552static const char * 1553wpa_cipher(const u_int8_t *sel) 1554{ 1555#define WPA_SEL(x) (((x)<<24)|WPA_OUI) 1556 u_int32_t w = LE_READ_4(sel); 1557 1558 switch (w) { 1559 case WPA_SEL(WPA_CSE_NULL): 1560 return "NONE"; 1561 case WPA_SEL(WPA_CSE_WEP40): 1562 return "WEP40"; 1563 case WPA_SEL(WPA_CSE_WEP104): 1564 return "WEP104"; 1565 case WPA_SEL(WPA_CSE_TKIP): 1566 return "TKIP"; 1567 case WPA_SEL(WPA_CSE_CCMP): 1568 return "AES-CCMP"; 1569 } 1570 return "?"; /* NB: so 1<< is discarded */ 1571#undef WPA_SEL 1572} 1573 1574static const char * 1575wpa_keymgmt(const u_int8_t *sel) 1576{ 1577#define WPA_SEL(x) (((x)<<24)|WPA_OUI) 1578 u_int32_t w = LE_READ_4(sel); 1579 1580 switch (w) { 1581 case WPA_SEL(WPA_ASE_8021X_UNSPEC): 1582 return "8021X-UNSPEC"; 1583 case WPA_SEL(WPA_ASE_8021X_PSK): 1584 return "8021X-PSK"; 1585 case WPA_SEL(WPA_ASE_NONE): 1586 return "NONE"; 1587 } 1588 return "?"; 1589#undef WPA_SEL 1590} 1591 1592static void 1593printwpaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1594{ 1595 u_int8_t len = ie[1]; 1596 1597 printf("%s", tag); 1598 if (verbose) { 1599 const char *sep; 1600 int n; 1601 1602 ie += 6, len -= 4; /* NB: len is payload only */ 1603 1604 printf("<v%u", LE_READ_2(ie)); 1605 ie += 2, len -= 2; 1606 1607 printf(" mc:%s", wpa_cipher(ie)); 1608 ie += 4, len -= 4; 1609 1610 /* unicast ciphers */ 1611 n = LE_READ_2(ie); 1612 ie += 2, len -= 2; 1613 sep = " uc:"; 1614 for (; n > 0; n--) { 1615 printf("%s%s", sep, wpa_cipher(ie)); 1616 ie += 4, len -= 4; 1617 sep = "+"; 1618 } 1619 1620 /* key management algorithms */ 1621 n = LE_READ_2(ie); 1622 ie += 2, len -= 2; 1623 sep = " km:"; 1624 for (; n > 0; n--) { 1625 printf("%s%s", sep, wpa_keymgmt(ie)); 1626 ie += 4, len -= 4; 1627 sep = "+"; 1628 } 1629 1630 if (len > 2) /* optional capabilities */ 1631 printf(", caps 0x%x", LE_READ_2(ie)); 1632 printf(">"); 1633 } 1634} 1635 1636static const char * 1637rsn_cipher(const u_int8_t *sel) 1638{ 1639#define RSN_SEL(x) (((x)<<24)|RSN_OUI) 1640 u_int32_t w = LE_READ_4(sel); 1641 1642 switch (w) { 1643 case RSN_SEL(RSN_CSE_NULL): 1644 return "NONE"; 1645 case RSN_SEL(RSN_CSE_WEP40): 1646 return "WEP40"; 1647 case RSN_SEL(RSN_CSE_WEP104): 1648 return "WEP104"; 1649 case RSN_SEL(RSN_CSE_TKIP): 1650 return "TKIP"; 1651 case RSN_SEL(RSN_CSE_CCMP): 1652 return "AES-CCMP"; 1653 case RSN_SEL(RSN_CSE_WRAP): 1654 return "AES-OCB"; 1655 } 1656 return "?"; 1657#undef WPA_SEL 1658} 1659 1660static const char * 1661rsn_keymgmt(const u_int8_t *sel) 1662{ 1663#define RSN_SEL(x) (((x)<<24)|RSN_OUI) 1664 u_int32_t w = LE_READ_4(sel); 1665 1666 switch (w) { 1667 case RSN_SEL(RSN_ASE_8021X_UNSPEC): 1668 return "8021X-UNSPEC"; 1669 case RSN_SEL(RSN_ASE_8021X_PSK): 1670 return "8021X-PSK"; 1671 case RSN_SEL(RSN_ASE_NONE): 1672 return "NONE"; 1673 } 1674 return "?"; 1675#undef RSN_SEL 1676} 1677 1678static void 1679printrsnie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1680{ 1681 printf("%s", tag); 1682 if (verbose) { 1683 const char *sep; 1684 int n; 1685 1686 ie += 2, ielen -= 2; 1687 1688 printf("<v%u", LE_READ_2(ie)); 1689 ie += 2, ielen -= 2; 1690 1691 printf(" mc:%s", rsn_cipher(ie)); 1692 ie += 4, ielen -= 4; 1693 1694 /* unicast ciphers */ 1695 n = LE_READ_2(ie); 1696 ie += 2, ielen -= 2; 1697 sep = " uc:"; 1698 for (; n > 0; n--) { 1699 printf("%s%s", sep, rsn_cipher(ie)); 1700 ie += 4, ielen -= 4; 1701 sep = "+"; 1702 } 1703 1704 /* key management algorithms */ 1705 n = LE_READ_2(ie); 1706 ie += 2, ielen -= 2; 1707 sep = " km:"; 1708 for (; n > 0; n--) { 1709 printf("%s%s", sep, rsn_keymgmt(ie)); 1710 ie += 4, ielen -= 4; 1711 sep = "+"; 1712 } 1713 1714 if (ielen > 2) /* optional capabilities */ 1715 printf(", caps 0x%x", LE_READ_2(ie)); 1716 /* XXXPMKID */ 1717 printf(">"); 1718 } 1719} 1720 1721/* 1722 * Copy the ssid string contents into buf, truncating to fit. If the 1723 * ssid is entirely printable then just copy intact. Otherwise convert 1724 * to hexadecimal. If the result is truncated then replace the last 1725 * three characters with "...". 1726 */ 1727static int 1728copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len) 1729{ 1730 const u_int8_t *p; 1731 size_t maxlen; 1732 int i; 1733 1734 if (essid_len > bufsize) 1735 maxlen = bufsize; 1736 else 1737 maxlen = essid_len; 1738 /* determine printable or not */ 1739 for (i = 0, p = essid; i < maxlen; i++, p++) { 1740 if (*p < ' ' || *p > 0x7e) 1741 break; 1742 } 1743 if (i != maxlen) { /* not printable, print as hex */ 1744 if (bufsize < 3) 1745 return 0; 1746 strlcpy(buf, "0x", bufsize); 1747 bufsize -= 2; 1748 p = essid; 1749 for (i = 0; i < maxlen && bufsize >= 2; i++) { 1750 sprintf(&buf[2+2*i], "%02x", p[i]); 1751 bufsize -= 2; 1752 } 1753 if (i != essid_len) 1754 memcpy(&buf[2+2*i-3], "...", 3); 1755 } else { /* printable, truncate as needed */ 1756 memcpy(buf, essid, maxlen); 1757 if (maxlen != essid_len) 1758 memcpy(&buf[maxlen-3], "...", 3); 1759 } 1760 return maxlen; 1761} 1762 1763static void 1764printssid(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1765{ 1766 char ssid[2*IEEE80211_NWID_LEN+1]; 1767 1768 printf("%s<%.*s>", tag, copy_essid(ssid, maxlen, ie+2, ie[1]), ssid); 1769} 1770 1771static void 1772printrates(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1773{ 1774 const char *sep; 1775 int i; 1776 1777 printf("%s", tag); 1778 sep = "<"; 1779 for (i = 2; i < ielen; i++) { 1780 printf("%s%s%d", sep, 1781 ie[i] & IEEE80211_RATE_BASIC ? "B" : "", 1782 ie[i] & IEEE80211_RATE_VAL); 1783 sep = ","; 1784 } 1785 printf(">"); 1786} 1787 1788static void 1789printcountry(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen) 1790{ 1791 const struct ieee80211_country_ie *cie = 1792 (const struct ieee80211_country_ie *) ie; 1793 int i, nbands, schan, nchan; 1794 1795 printf("%s<%c%c%c", tag, cie->cc[0], cie->cc[1], cie->cc[2]); 1796 nbands = (cie->len - 3) / sizeof(cie->band[0]); 1797 for (i = 0; i < nbands; i++) { 1798 schan = cie->band[i].schan; 1799 nchan = cie->band[i].nchan; 1800 if (nchan != 1) 1801 printf(" %u-%u,%u", schan, schan + nchan-1, 1802 cie->band[i].maxtxpwr); 1803 else 1804 printf(" %u,%u", schan, cie->band[i].maxtxpwr); 1805 } 1806 printf(">"); 1807} 1808 1809/* unaligned little endian access */ 1810#define LE_READ_4(p) \ 1811 ((u_int32_t) \ 1812 ((((const u_int8_t *)(p))[0] ) | \ 1813 (((const u_int8_t *)(p))[1] << 8) | \ 1814 (((const u_int8_t *)(p))[2] << 16) | \ 1815 (((const u_int8_t *)(p))[3] << 24))) 1816 1817static int __inline 1818iswpaoui(const u_int8_t *frm) 1819{ 1820 return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI); 1821} 1822 1823static int __inline 1824iswmeinfo(const u_int8_t *frm) 1825{ 1826 return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) && 1827 frm[6] == WME_INFO_OUI_SUBTYPE; 1828} 1829 1830static int __inline 1831iswmeparam(const u_int8_t *frm) 1832{ 1833 return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) && 1834 frm[6] == WME_PARAM_OUI_SUBTYPE; 1835} 1836 1837static int __inline 1838isatherosoui(const u_int8_t *frm) 1839{ 1840 return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI); 1841} 1842 1843static const char * 1844iename(int elemid) 1845{ 1846 switch (elemid) { 1847 case IEEE80211_ELEMID_FHPARMS: return " FHPARMS"; 1848 case IEEE80211_ELEMID_CFPARMS: return " CFPARMS"; 1849 case IEEE80211_ELEMID_TIM: return " TIM"; 1850 case IEEE80211_ELEMID_IBSSPARMS:return " IBSSPARMS"; 1851 case IEEE80211_ELEMID_CHALLENGE:return " CHALLENGE"; 1852 case IEEE80211_ELEMID_PWRCNSTR: return " PWRCNSTR"; 1853 case IEEE80211_ELEMID_PWRCAP: return " PWRCAP"; 1854 case IEEE80211_ELEMID_TPCREQ: return " TPCREQ"; 1855 case IEEE80211_ELEMID_TPCREP: return " TPCREP"; 1856 case IEEE80211_ELEMID_SUPPCHAN: return " SUPPCHAN"; 1857 case IEEE80211_ELEMID_CHANSWITCHANN:return " CSA"; 1858 case IEEE80211_ELEMID_MEASREQ: return " MEASREQ"; 1859 case IEEE80211_ELEMID_MEASREP: return " MEASREP"; 1860 case IEEE80211_ELEMID_QUIET: return " QUIET"; 1861 case IEEE80211_ELEMID_IBSSDFS: return " IBSSDFS"; 1862 case IEEE80211_ELEMID_TPC: return " TPC"; 1863 case IEEE80211_ELEMID_CCKM: return " CCKM"; 1864 } 1865 return " ???"; 1866} 1867 1868static void 1869printies(const u_int8_t *vp, int ielen, int maxcols) 1870{ 1871 while (ielen > 0) { 1872 switch (vp[0]) { 1873 case IEEE80211_ELEMID_SSID: 1874 if (verbose) 1875 printssid(" SSID", vp, 2+vp[1], maxcols); 1876 break; 1877 case IEEE80211_ELEMID_RATES: 1878 case IEEE80211_ELEMID_XRATES: 1879 if (verbose) 1880 printrates(vp[0] == IEEE80211_ELEMID_RATES ? 1881 " RATES" : " XRATES", vp, 2+vp[1], maxcols); 1882 break; 1883 case IEEE80211_ELEMID_DSPARMS: 1884 if (verbose) 1885 printf(" DSPARMS<%u>", vp[2]); 1886 break; 1887 case IEEE80211_ELEMID_COUNTRY: 1888 if (verbose) 1889 printcountry(" COUNTRY", vp, 2+vp[1], maxcols); 1890 break; 1891 case IEEE80211_ELEMID_ERP: 1892 if (verbose) 1893 printf(" ERP<0x%x>", vp[2]); 1894 break; 1895 case IEEE80211_ELEMID_VENDOR: 1896 if (iswpaoui(vp)) 1897 printwpaie(" WPA", vp, 2+vp[1], maxcols); 1898 else if (iswmeinfo(vp)) 1899 printwmeinfo(" WME", vp, 2+vp[1], maxcols); 1900 else if (iswmeparam(vp)) 1901 printwmeparam(" WME", vp, 2+vp[1], maxcols); 1902 else if (isatherosoui(vp)) 1903 printathie(" ATH", vp, 2+vp[1], maxcols); 1904 else if (verbose) 1905 printie(" VEN", vp, 2+vp[1], maxcols); 1906 break; 1907 case IEEE80211_ELEMID_RSN: 1908 printrsnie(" RSN", vp, 2+vp[1], maxcols); 1909 break; 1910 case IEEE80211_ELEMID_HTCAP: 1911 printhtcap(" HTCAP", vp, 2+vp[1], maxcols); 1912 break; 1913 case IEEE80211_ELEMID_HTINFO: 1914 if (verbose) 1915 printhtinfo(" HTINFO", vp, 2+vp[1], maxcols); 1916 break; 1917 default: 1918 if (verbose) 1919 printie(iename(vp[0]), vp, 2+vp[1], maxcols); 1920 break; 1921 } 1922 ielen -= 2+vp[1]; 1923 vp += 2+vp[1]; 1924 } 1925} 1926 1927static void 1928list_scan(int s) 1929{ 1930 uint8_t buf[24*1024]; 1931 char ssid[IEEE80211_NWID_LEN+1]; 1932 const uint8_t *cp; 1933 int len, ssidmax; 1934 1935 if (get80211len(s, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf), &len) < 0) 1936 errx(1, "unable to get scan results"); 1937 if (len < sizeof(struct ieee80211req_scan_result)) 1938 return; 1939 1940 getchaninfo(s); 1941 1942 ssidmax = verbose ? IEEE80211_NWID_LEN : 14; 1943 printf("%-*.*s %-17.17s %4s %4s %-7s %3s %4s\n" 1944 , ssidmax, ssidmax, "SSID" 1945 , "BSSID" 1946 , "CHAN" 1947 , "RATE" 1948 , " S:N" 1949 , "INT" 1950 , "CAPS" 1951 ); 1952 cp = buf; 1953 do { 1954 const struct ieee80211req_scan_result *sr; 1955 const uint8_t *vp; 1956 1957 sr = (const struct ieee80211req_scan_result *) cp; 1958 vp = cp + sr->isr_ie_off; 1959 printf("%-*.*s %s %3d %3dM %3d:%-3d %3d %-4.4s" 1960 , ssidmax 1961 , copy_essid(ssid, ssidmax, vp, sr->isr_ssid_len) 1962 , ssid 1963 , ether_ntoa((const struct ether_addr *) sr->isr_bssid) 1964 , ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags) 1965 , getmaxrate(sr->isr_rates, sr->isr_nrates) 1966 , (sr->isr_rssi/2)+sr->isr_noise, sr->isr_noise 1967 , sr->isr_intval 1968 , getcaps(sr->isr_capinfo) 1969 ); 1970 printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24); 1971 printf("\n"); 1972 cp += sr->isr_len, len -= sr->isr_len; 1973 } while (len >= sizeof(struct ieee80211req_scan_result)); 1974} 1975 1976#include <net80211/ieee80211_freebsd.h> 1977 1978static void 1979scan_and_wait(int s) 1980{ 1981 struct ieee80211req ireq; 1982 int sroute; 1983 1984 sroute = socket(PF_ROUTE, SOCK_RAW, 0); 1985 if (sroute < 0) { 1986 perror("socket(PF_ROUTE,SOCK_RAW)"); 1987 return; 1988 } 1989 (void) memset(&ireq, 0, sizeof(ireq)); 1990 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 1991 ireq.i_type = IEEE80211_IOC_SCAN_REQ; 1992 /* NB: only root can trigger a scan so ignore errors */ 1993 if (ioctl(s, SIOCS80211, &ireq) >= 0) { 1994 char buf[2048]; 1995 struct if_announcemsghdr *ifan; 1996 struct rt_msghdr *rtm; 1997 1998 do { 1999 if (read(sroute, buf, sizeof(buf)) < 0) { 2000 perror("read(PF_ROUTE)"); 2001 break; 2002 } 2003 rtm = (struct rt_msghdr *) buf; 2004 if (rtm->rtm_version != RTM_VERSION) 2005 break; 2006 ifan = (struct if_announcemsghdr *) rtm; 2007 } while (rtm->rtm_type != RTM_IEEE80211 || 2008 ifan->ifan_what != RTM_IEEE80211_SCAN); 2009 } 2010 close(sroute); 2011} 2012 2013static 2014DECL_CMD_FUNC(set80211scan, val, d) 2015{ 2016 scan_and_wait(s); 2017 list_scan(s); 2018} 2019 2020static enum ieee80211_opmode get80211opmode(int s); 2021 2022static int 2023gettxseq(const struct ieee80211req_sta_info *si) 2024{ 2025#define IEEE80211_NODE_QOS 0x0002 /* QoS enabled */ 2026 2027 int i, txseq; 2028 2029 if ((si->isi_state & IEEE80211_NODE_QOS) == 0) 2030 return si->isi_txseqs[0]; 2031 /* XXX not right but usually what folks want */ 2032 txseq = 0; 2033 for (i = 0; i < IEEE80211_TID_SIZE; i++) 2034 if (si->isi_txseqs[i] > txseq) 2035 txseq = si->isi_txseqs[i]; 2036 return txseq; 2037#undef IEEE80211_NODE_QOS 2038} 2039 2040static int 2041getrxseq(const struct ieee80211req_sta_info *si) 2042{ 2043#define IEEE80211_NODE_QOS 0x0002 /* QoS enabled */ 2044 2045 int i, rxseq; 2046 2047 if ((si->isi_state & IEEE80211_NODE_QOS) == 0) 2048 return si->isi_rxseqs[0]; 2049 /* XXX not right but usually what folks want */ 2050 rxseq = 0; 2051 for (i = 0; i < IEEE80211_TID_SIZE; i++) 2052 if (si->isi_rxseqs[i] > rxseq) 2053 rxseq = si->isi_rxseqs[i]; 2054 return rxseq; 2055#undef IEEE80211_NODE_QOS 2056} 2057 2058static int 2059gettxrate(const struct ieee80211req_sta_info *si) 2060{ 2061 int txrate = si->isi_txrate; 2062 2063 if (txrate & 0x80) { 2064 txrate = htrates[txrate & 0xf]; 2065 /* NB: could bump this more based on short gi */ 2066 return si->isi_flags & IEEE80211_CHAN_HT40 ? 2067 txrate : txrate / 2; 2068 } else 2069 return (si->isi_rates[txrate] & IEEE80211_RATE_VAL) / 2; 2070} 2071 2072static void 2073list_stations(int s) 2074{ 2075 union { 2076 struct ieee80211req_sta_req req; 2077 uint8_t buf[24*1024]; 2078 } u; 2079 enum ieee80211_opmode opmode = get80211opmode(s); 2080 const uint8_t *cp; 2081 int len; 2082 2083 /* broadcast address =>'s get all stations */ 2084 (void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN); 2085 if (opmode == IEEE80211_M_STA) { 2086 /* 2087 * Get information about the associated AP. 2088 */ 2089 (void) get80211(s, IEEE80211_IOC_BSSID, 2090 u.req.is_u.macaddr, IEEE80211_ADDR_LEN); 2091 } 2092 if (get80211len(s, IEEE80211_IOC_STA_INFO, &u, sizeof(u), &len) < 0) 2093 errx(1, "unable to get station information"); 2094 if (len < sizeof(struct ieee80211req_sta_info)) 2095 return; 2096 2097 getchaninfo(s); 2098 2099 printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %4s\n" 2100 , "ADDR" 2101 , "AID" 2102 , "CHAN" 2103 , "RATE" 2104 , "RSSI" 2105 , "IDLE" 2106 , "TXSEQ" 2107 , "RXSEQ" 2108 , "CAPS" 2109 , "FLAG" 2110 ); 2111 cp = (const uint8_t *) u.req.info; 2112 do { 2113 const struct ieee80211req_sta_info *si; 2114 2115 si = (const struct ieee80211req_sta_info *) cp; 2116 if (si->isi_len < sizeof(*si)) 2117 break; 2118 printf("%s %4u %4d %3dM %3.1f %4d %6d %6d %-4.4s %-4.4s" 2119 , ether_ntoa((const struct ether_addr*) si->isi_macaddr) 2120 , IEEE80211_AID(si->isi_associd) 2121 , ieee80211_mhz2ieee(si->isi_freq, si->isi_flags) 2122 , gettxrate(si) 2123 , si->isi_rssi/2. 2124 , si->isi_inact 2125 , gettxseq(si) 2126 , getrxseq(si) 2127 , getcaps(si->isi_capinfo) 2128 , getflags(si->isi_state) 2129 ); 2130 printies(cp + si->isi_ie_off, si->isi_ie_len, 24); 2131 printf("\n"); 2132 cp += si->isi_len, len -= si->isi_len; 2133 } while (len >= sizeof(struct ieee80211req_sta_info)); 2134} 2135 2136static const char * 2137get_chaninfo(const struct ieee80211_channel *c, int precise, 2138 char buf[], size_t bsize) 2139{ 2140 buf[0] = '\0'; 2141 if (IEEE80211_IS_CHAN_FHSS(c)) 2142 strlcat(buf, " FHSS", bsize); 2143 if (IEEE80211_IS_CHAN_A(c)) { 2144 if (IEEE80211_IS_CHAN_HALF(c)) 2145 strlcat(buf, " 11a/10Mhz", bsize); 2146 else if (IEEE80211_IS_CHAN_QUARTER(c)) 2147 strlcat(buf, " 11a/5Mhz", bsize); 2148 else 2149 strlcat(buf, " 11a", bsize); 2150 } 2151 if (IEEE80211_IS_CHAN_ANYG(c)) { 2152 if (IEEE80211_IS_CHAN_HALF(c)) 2153 strlcat(buf, " 11g/10Mhz", bsize); 2154 else if (IEEE80211_IS_CHAN_QUARTER(c)) 2155 strlcat(buf, " 11g/5Mhz", bsize); 2156 else 2157 strlcat(buf, " 11g", bsize); 2158 } else if (IEEE80211_IS_CHAN_B(c)) 2159 strlcat(buf, " 11b", bsize); 2160 if (IEEE80211_IS_CHAN_TURBO(c)) 2161 strlcat(buf, " Turbo", bsize); 2162 if (precise) { 2163 if (IEEE80211_IS_CHAN_HT20(c)) 2164 strlcat(buf, " ht/20", bsize); 2165 else if (IEEE80211_IS_CHAN_HT40D(c)) 2166 strlcat(buf, " ht/40-", bsize); 2167 else if (IEEE80211_IS_CHAN_HT40U(c)) 2168 strlcat(buf, " ht/40+", bsize); 2169 } else { 2170 if (IEEE80211_IS_CHAN_HT(c)) 2171 strlcat(buf, " ht", bsize); 2172 } 2173 return buf; 2174} 2175 2176static void 2177print_chaninfo(const struct ieee80211_channel *c, int verb) 2178{ 2179 char buf[14]; 2180 2181 printf("Channel %3u : %u%c Mhz%-14.14s", 2182 ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq, 2183 IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', 2184 get_chaninfo(c, verb, buf, sizeof(buf))); 2185} 2186 2187static void 2188print_channels(int s, const struct ieee80211req_chaninfo *chans, 2189 int allchans, int verb) 2190{ 2191 struct ieee80211req_chaninfo achans; 2192 uint8_t reported[IEEE80211_CHAN_BYTES]; 2193 const struct ieee80211_channel *c; 2194 int i, half; 2195 2196 memset(&achans, 0, sizeof(achans)); 2197 memset(reported, 0, sizeof(reported)); 2198 if (!allchans) { 2199 struct ieee80211req_chanlist active; 2200 2201 if (get80211(s, IEEE80211_IOC_CHANLIST, &active, sizeof(active)) < 0) 2202 errx(1, "unable to get active channel list"); 2203 memset(&achans, 0, sizeof(achans)); 2204 for (i = 0; i < chans->ic_nchans; i++) { 2205 c = &chans->ic_chans[i]; 2206 if (!isset(active.ic_channels, c->ic_ieee)) 2207 continue; 2208 /* 2209 * Suppress compatible duplicates unless 2210 * verbose. The kernel gives us it's 2211 * complete channel list which has separate 2212 * entries for 11g/11b and 11a/turbo. 2213 */ 2214 if (isset(reported, c->ic_ieee) && !verb) { 2215 /* XXX we assume duplicates are adjacent */ 2216 achans.ic_chans[achans.ic_nchans-1] = *c; 2217 } else { 2218 achans.ic_chans[achans.ic_nchans++] = *c; 2219 setbit(reported, c->ic_ieee); 2220 } 2221 } 2222 } else { 2223 for (i = 0; i < chans->ic_nchans; i++) { 2224 c = &chans->ic_chans[i]; 2225 /* suppress duplicates as above */ 2226 if (isset(reported, c->ic_ieee) && !verb) { 2227 /* XXX we assume duplicates are adjacent */ 2228 achans.ic_chans[achans.ic_nchans-1] = *c; 2229 } else { 2230 achans.ic_chans[achans.ic_nchans++] = *c; 2231 setbit(reported, c->ic_ieee); 2232 } 2233 } 2234 } 2235 half = achans.ic_nchans / 2; 2236 if (achans.ic_nchans % 2) 2237 half++; 2238 2239 for (i = 0; i < achans.ic_nchans / 2; i++) { 2240 print_chaninfo(&achans.ic_chans[i], verb); 2241 print_chaninfo(&achans.ic_chans[half+i], verb); 2242 printf("\n"); 2243 } 2244 if (achans.ic_nchans % 2) { 2245 print_chaninfo(&achans.ic_chans[i], verb); 2246 printf("\n"); 2247 } 2248} 2249 2250static void 2251list_channels(int s, int allchans) 2252{ 2253 getchaninfo(s); 2254 print_channels(s, &chaninfo, allchans, verbose); 2255} 2256 2257static void 2258print_txpow(const struct ieee80211_channel *c) 2259{ 2260 printf("Channel %3u : %u Mhz %3.1f reg %2d ", 2261 c->ic_ieee, c->ic_freq, 2262 c->ic_maxpower/2., c->ic_maxregpower); 2263} 2264 2265static void 2266print_txpow_verbose(const struct ieee80211_channel *c) 2267{ 2268 print_chaninfo(c, 1); 2269 printf("min %4.1f dBm max %3.1f dBm reg %2d dBm", 2270 c->ic_minpower/2., c->ic_maxpower/2., c->ic_maxregpower); 2271 /* indicate where regulatory cap limits power use */ 2272 if (c->ic_maxpower > 2*c->ic_maxregpower) 2273 printf(" <"); 2274} 2275 2276static void 2277list_txpow(int s) 2278{ 2279 struct ieee80211req_chaninfo achans; 2280 uint8_t reported[IEEE80211_CHAN_BYTES]; 2281 struct ieee80211_channel *c, *prev; 2282 int i, half; 2283 2284 getchaninfo(s); 2285 memset(&achans, 0, sizeof(achans)); 2286 memset(reported, 0, sizeof(reported)); 2287 for (i = 0; i < chaninfo.ic_nchans; i++) { 2288 c = &chaninfo.ic_chans[i]; 2289 /* suppress duplicates as above */ 2290 if (isset(reported, c->ic_ieee) && !verbose) { 2291 /* XXX we assume duplicates are adjacent */ 2292 prev = &achans.ic_chans[achans.ic_nchans-1]; 2293 /* display highest power on channel */ 2294 if (c->ic_maxpower > prev->ic_maxpower) 2295 *prev = *c; 2296 } else { 2297 achans.ic_chans[achans.ic_nchans++] = *c; 2298 setbit(reported, c->ic_ieee); 2299 } 2300 } 2301 if (!verbose) { 2302 half = achans.ic_nchans / 2; 2303 if (achans.ic_nchans % 2) 2304 half++; 2305 2306 for (i = 0; i < achans.ic_nchans / 2; i++) { 2307 print_txpow(&achans.ic_chans[i]); 2308 print_txpow(&achans.ic_chans[half+i]); 2309 printf("\n"); 2310 } 2311 if (achans.ic_nchans % 2) { 2312 print_txpow(&achans.ic_chans[i]); 2313 printf("\n"); 2314 } 2315 } else { 2316 for (i = 0; i < achans.ic_nchans; i++) { 2317 print_txpow_verbose(&achans.ic_chans[i]); 2318 printf("\n"); 2319 } 2320 } 2321} 2322 2323static void 2324list_keys(int s) 2325{ 2326} 2327 2328#define IEEE80211_C_BITS \ 2329"\020\1WEP\2TKIP\3AES\4AES_CCM\6CKIP\7FF\10TURBOP\11IBSS\12PMGT\13HOSTAP\14AHDEMO" \ 2330"\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE\21MONITOR\22TKIPMIC\30WPA1" \ 2331"\31WPA2\32BURST\33WME\34WDS\36BGSCAN\37TXFRAG" 2332 2333static void 2334list_capabilities(int s) 2335{ 2336 struct ieee80211req ireq; 2337 u_int32_t caps; 2338 2339 (void) memset(&ireq, 0, sizeof(ireq)); 2340 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2341 ireq.i_type = IEEE80211_IOC_DRIVER_CAPS; 2342 if (ioctl(s, SIOCG80211, &ireq) < 0) 2343 errx(1, "unable to get driver capabilities"); 2344 caps = (((u_int16_t) ireq.i_val) << 16) | ((u_int16_t) ireq.i_len); 2345 printb(name, caps, IEEE80211_C_BITS); 2346 putchar('\n'); 2347} 2348 2349static int 2350get80211wme(int s, int param, int ac, int *val) 2351{ 2352 struct ieee80211req ireq; 2353 2354 (void) memset(&ireq, 0, sizeof(ireq)); 2355 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2356 ireq.i_type = param; 2357 ireq.i_len = ac; 2358 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2359 warn("cannot get WME parameter %d, ac %d%s", 2360 param, ac & IEEE80211_WMEPARAM_VAL, 2361 ac & IEEE80211_WMEPARAM_BSS ? " (BSS)" : ""); 2362 return -1; 2363 } 2364 *val = ireq.i_val; 2365 return 0; 2366} 2367 2368static void 2369list_wme(int s) 2370{ 2371 static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" }; 2372 int ac, val; 2373 2374 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) { 2375again: 2376 if (ac & IEEE80211_WMEPARAM_BSS) 2377 printf("\t%s", " "); 2378 else 2379 printf("\t%s", acnames[ac]); 2380 2381 /* show WME BSS parameters */ 2382 if (get80211wme(s, IEEE80211_IOC_WME_CWMIN, ac, &val) != -1) 2383 printf(" cwmin %2u", val); 2384 if (get80211wme(s, IEEE80211_IOC_WME_CWMAX, ac, &val) != -1) 2385 printf(" cwmax %2u", val); 2386 if (get80211wme(s, IEEE80211_IOC_WME_AIFS, ac, &val) != -1) 2387 printf(" aifs %2u", val); 2388 if (get80211wme(s, IEEE80211_IOC_WME_TXOPLIMIT, ac, &val) != -1) 2389 printf(" txopLimit %3u", val); 2390 if (get80211wme(s, IEEE80211_IOC_WME_ACM, ac, &val) != -1) { 2391 if (val) 2392 printf(" acm"); 2393 else if (verbose) 2394 printf(" -acm"); 2395 } 2396 /* !BSS only */ 2397 if ((ac & IEEE80211_WMEPARAM_BSS) == 0) { 2398 if (get80211wme(s, IEEE80211_IOC_WME_ACKPOLICY, ac, &val) != -1) { 2399 if (!val) 2400 printf(" -ack"); 2401 else if (verbose) 2402 printf(" ack"); 2403 } 2404 } 2405 printf("\n"); 2406 if ((ac & IEEE80211_WMEPARAM_BSS) == 0) { 2407 ac |= IEEE80211_WMEPARAM_BSS; 2408 goto again; 2409 } else 2410 ac &= ~IEEE80211_WMEPARAM_BSS; 2411 } 2412} 2413 2414static void 2415printpolicy(int policy) 2416{ 2417 switch (policy) { 2418 case IEEE80211_MACCMD_POLICY_OPEN: 2419 printf("policy: open\n"); 2420 break; 2421 case IEEE80211_MACCMD_POLICY_ALLOW: 2422 printf("policy: allow\n"); 2423 break; 2424 case IEEE80211_MACCMD_POLICY_DENY: 2425 printf("policy: deny\n"); 2426 break; 2427 default: 2428 printf("policy: unknown (%u)\n", policy); 2429 break; 2430 } 2431} 2432 2433static void 2434list_mac(int s) 2435{ 2436 struct ieee80211req ireq; 2437 struct ieee80211req_maclist *acllist; 2438 int i, nacls, policy, len; 2439 uint8_t *data; 2440 char c; 2441 2442 (void) memset(&ireq, 0, sizeof(ireq)); 2443 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */ 2444 ireq.i_type = IEEE80211_IOC_MACCMD; 2445 ireq.i_val = IEEE80211_MACCMD_POLICY; 2446 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2447 if (errno == EINVAL) { 2448 printf("No acl policy loaded\n"); 2449 return; 2450 } 2451 err(1, "unable to get mac policy"); 2452 } 2453 policy = ireq.i_val; 2454 if (policy == IEEE80211_MACCMD_POLICY_OPEN) { 2455 c = '*'; 2456 } else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) { 2457 c = '+'; 2458 } else if (policy == IEEE80211_MACCMD_POLICY_DENY) { 2459 c = '-'; 2460 } else { 2461 printf("policy: unknown (%u)\n", policy); 2462 c = '?'; 2463 } 2464 if (verbose || c == '?') 2465 printpolicy(policy); 2466 2467 ireq.i_val = IEEE80211_MACCMD_LIST; 2468 ireq.i_len = 0; 2469 if (ioctl(s, SIOCG80211, &ireq) < 0) 2470 err(1, "unable to get mac acl list size"); 2471 if (ireq.i_len == 0) { /* NB: no acls */ 2472 if (!(verbose || c == '?')) 2473 printpolicy(policy); 2474 return; 2475 } 2476 len = ireq.i_len; 2477 2478 data = malloc(len); 2479 if (data == NULL) 2480 err(1, "out of memory for acl list"); 2481 2482 ireq.i_data = data; 2483 if (ioctl(s, SIOCG80211, &ireq) < 0) 2484 err(1, "unable to get mac acl list"); 2485 nacls = len / sizeof(*acllist); 2486 acllist = (struct ieee80211req_maclist *) data; 2487 for (i = 0; i < nacls; i++) 2488 printf("%c%s\n", c, ether_ntoa( 2489 (const struct ether_addr *) acllist[i].ml_macaddr)); 2490 free(data); 2491} 2492 2493static 2494DECL_CMD_FUNC(set80211list, arg, d) 2495{ 2496#define iseq(a,b) (strncasecmp(a,b,sizeof(b)-1) == 0) 2497 2498 LINE_INIT('\t'); 2499 2500 if (iseq(arg, "sta")) 2501 list_stations(s); 2502 else if (iseq(arg, "scan") || iseq(arg, "ap")) 2503 list_scan(s); 2504 else if (iseq(arg, "chan") || iseq(arg, "freq")) 2505 list_channels(s, 1); 2506 else if (iseq(arg, "active")) 2507 list_channels(s, 0); 2508 else if (iseq(arg, "keys")) 2509 list_keys(s); 2510 else if (iseq(arg, "caps")) 2511 list_capabilities(s); 2512 else if (iseq(arg, "wme")) 2513 list_wme(s); 2514 else if (iseq(arg, "mac")) 2515 list_mac(s); 2516 else if (iseq(arg, "txpow")) 2517 list_txpow(s); 2518 else 2519 errx(1, "Don't know how to list %s for %s", arg, name); 2520#undef iseq 2521} 2522 2523static enum ieee80211_opmode 2524get80211opmode(int s) 2525{ 2526 struct ifmediareq ifmr; 2527 2528 (void) memset(&ifmr, 0, sizeof(ifmr)); 2529 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2530 2531 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) { 2532 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) 2533 return IEEE80211_M_IBSS; /* XXX ahdemo */ 2534 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP) 2535 return IEEE80211_M_HOSTAP; 2536 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR) 2537 return IEEE80211_M_MONITOR; 2538 } 2539 return IEEE80211_M_STA; 2540} 2541 2542#if 0 2543static void 2544printcipher(int s, struct ieee80211req *ireq, int keylenop) 2545{ 2546 switch (ireq->i_val) { 2547 case IEEE80211_CIPHER_WEP: 2548 ireq->i_type = keylenop; 2549 if (ioctl(s, SIOCG80211, ireq) != -1) 2550 printf("WEP-%s", 2551 ireq->i_len <= 5 ? "40" : 2552 ireq->i_len <= 13 ? "104" : "128"); 2553 else 2554 printf("WEP"); 2555 break; 2556 case IEEE80211_CIPHER_TKIP: 2557 printf("TKIP"); 2558 break; 2559 case IEEE80211_CIPHER_AES_OCB: 2560 printf("AES-OCB"); 2561 break; 2562 case IEEE80211_CIPHER_AES_CCM: 2563 printf("AES-CCM"); 2564 break; 2565 case IEEE80211_CIPHER_CKIP: 2566 printf("CKIP"); 2567 break; 2568 case IEEE80211_CIPHER_NONE: 2569 printf("NONE"); 2570 break; 2571 default: 2572 printf("UNKNOWN (0x%x)", ireq->i_val); 2573 break; 2574 } 2575} 2576#endif 2577 2578static void 2579printkey(const struct ieee80211req_key *ik) 2580{ 2581 static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE]; 2582 int keylen = ik->ik_keylen; 2583 int printcontents; 2584 2585 printcontents = printkeys && 2586 (memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose); 2587 if (printcontents) 2588 LINE_BREAK(); 2589 switch (ik->ik_type) { 2590 case IEEE80211_CIPHER_WEP: 2591 /* compatibility */ 2592 LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1, 2593 keylen <= 5 ? "40-bit" : 2594 keylen <= 13 ? "104-bit" : "128-bit"); 2595 break; 2596 case IEEE80211_CIPHER_TKIP: 2597 if (keylen > 128/8) 2598 keylen -= 128/8; /* ignore MIC for now */ 2599 LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2600 break; 2601 case IEEE80211_CIPHER_AES_OCB: 2602 LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2603 break; 2604 case IEEE80211_CIPHER_AES_CCM: 2605 LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2606 break; 2607 case IEEE80211_CIPHER_CKIP: 2608 LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2609 break; 2610 case IEEE80211_CIPHER_NONE: 2611 LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2612 break; 2613 default: 2614 LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit", 2615 ik->ik_type, ik->ik_keyix+1, 8*keylen); 2616 break; 2617 } 2618 if (printcontents) { 2619 int i; 2620 2621 printf(" <"); 2622 for (i = 0; i < keylen; i++) 2623 printf("%02x", ik->ik_keydata[i]); 2624 printf(">"); 2625 if (ik->ik_type != IEEE80211_CIPHER_WEP && 2626 (ik->ik_keyrsc != 0 || verbose)) 2627 printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc); 2628 if (ik->ik_type != IEEE80211_CIPHER_WEP && 2629 (ik->ik_keytsc != 0 || verbose)) 2630 printf(" tsc %ju", (uintmax_t)ik->ik_keytsc); 2631 if (ik->ik_flags != 0 && verbose) { 2632 const char *sep = " "; 2633 2634 if (ik->ik_flags & IEEE80211_KEY_XMIT) 2635 printf("%stx", sep), sep = "+"; 2636 if (ik->ik_flags & IEEE80211_KEY_RECV) 2637 printf("%srx", sep), sep = "+"; 2638 if (ik->ik_flags & IEEE80211_KEY_DEFAULT) 2639 printf("%sdef", sep), sep = "+"; 2640 } 2641 LINE_BREAK(); 2642 } 2643} 2644 2645static void 2646printrate(const char *tag, int v, int defrate, int defmcs) 2647{ 2648 if (v == 11) 2649 LINE_CHECK("%s 5.5", tag); 2650 else if (v & 0x80) { 2651 if (v != defmcs) 2652 LINE_CHECK("%s %d", tag, v &~ 0x80); 2653 } else { 2654 if (v != defrate) 2655 LINE_CHECK("%s %d", tag, v/2); 2656 } 2657} 2658 2659static int 2660getssid(int s, int ix, void *data, size_t len, int *plen) 2661{ 2662 struct ieee80211req ireq; 2663 2664 (void) memset(&ireq, 0, sizeof(ireq)); 2665 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2666 ireq.i_type = IEEE80211_IOC_SSID; 2667 ireq.i_val = ix; 2668 ireq.i_data = data; 2669 ireq.i_len = len; 2670 if (ioctl(s, SIOCG80211, &ireq) < 0) 2671 return -1; 2672 *plen = ireq.i_len; 2673 return 0; 2674} 2675 2676static void 2677printrssi(const char *tag, int rssi) 2678{ 2679 if (rssi & 1) 2680 LINE_CHECK("%s %u.5", tag, rssi/2); 2681 else 2682 LINE_CHECK("%s %u", tag, rssi/2); 2683} 2684 2685static void 2686ieee80211_status(int s) 2687{ 2688 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2689 enum ieee80211_opmode opmode = get80211opmode(s); 2690 int i, num, wpa, wme, bgscan, bgscaninterval, val, len, wepmode; 2691 uint8_t data[32]; 2692 const struct ieee80211_channel *c; 2693 2694 if (getssid(s, -1, data, sizeof(data), &len) < 0) { 2695 /* If we can't get the SSID, this isn't an 802.11 device. */ 2696 return; 2697 } 2698 2699 /* 2700 * Invalidate cached state so printing status for multiple 2701 * if's doesn't reuse the first interfaces' cached state. 2702 */ 2703 gotcurchan = 0; 2704 gothtconf = 0; 2705 2706 if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0) 2707 num = 0; 2708 printf("\tssid "); 2709 if (num > 1) { 2710 for (i = 0; i < num; i++) { 2711 if (getssid(s, i, data, sizeof(data), &len) >= 0 && len > 0) { 2712 printf(" %d:", i + 1); 2713 print_string(data, len); 2714 } 2715 } 2716 } else 2717 print_string(data, len); 2718 2719 c = getcurchan(s); 2720 if (c->ic_freq != IEEE80211_CHAN_ANY) { 2721 char buf[14]; 2722 printf(" channel %d (%u Mhz%s)", c->ic_ieee, c->ic_freq, 2723 get_chaninfo(c, 1, buf, sizeof(buf))); 2724 } else if (verbose) 2725 printf(" channel UNDEF"); 2726 2727 if (get80211(s, IEEE80211_IOC_BSSID, data, IEEE80211_ADDR_LEN) >= 0 && 2728 (memcmp(data, zerobssid, sizeof(zerobssid)) != 0 || verbose)) 2729 printf(" bssid %s", ether_ntoa((struct ether_addr *)data)); 2730 2731 if (get80211len(s, IEEE80211_IOC_STATIONNAME, data, sizeof(data), &len) != -1) { 2732 printf("\n\tstationname "); 2733 print_string(data, len); 2734 } 2735 2736 spacer = ' '; /* force first break */ 2737 LINE_BREAK(); 2738 2739 wpa = 0; 2740 if (get80211val(s, IEEE80211_IOC_AUTHMODE, &val) != -1) { 2741 switch (val) { 2742 case IEEE80211_AUTH_NONE: 2743 LINE_CHECK("authmode NONE"); 2744 break; 2745 case IEEE80211_AUTH_OPEN: 2746 LINE_CHECK("authmode OPEN"); 2747 break; 2748 case IEEE80211_AUTH_SHARED: 2749 LINE_CHECK("authmode SHARED"); 2750 break; 2751 case IEEE80211_AUTH_8021X: 2752 LINE_CHECK("authmode 802.1x"); 2753 break; 2754 case IEEE80211_AUTH_WPA: 2755 if (get80211val(s, IEEE80211_IOC_WPA, &wpa) < 0) 2756 wpa = 1; /* default to WPA1 */ 2757 switch (wpa) { 2758 case 2: 2759 LINE_CHECK("authmode WPA2/802.11i"); 2760 break; 2761 case 3: 2762 LINE_CHECK("authmode WPA1+WPA2/802.11i"); 2763 break; 2764 default: 2765 LINE_CHECK("authmode WPA"); 2766 break; 2767 } 2768 break; 2769 case IEEE80211_AUTH_AUTO: 2770 LINE_CHECK("authmode AUTO"); 2771 break; 2772 default: 2773 LINE_CHECK("authmode UNKNOWN (0x%x)", val); 2774 break; 2775 } 2776 } 2777 2778 if (wpa || verbose) { 2779 if (ioctl(s, IEEE80211_IOC_COUNTERMEASURES, &val) != -1) { 2780 if (val) 2781 LINE_CHECK("countermeasures"); 2782 else if (verbose) 2783 LINE_CHECK("-countermeasures"); 2784 } 2785 } 2786 2787 if (get80211val(s, IEEE80211_IOC_WEP, &wepmode) != -1 && 2788 wepmode != IEEE80211_WEP_NOSUP) { 2789 int firstkey; 2790 2791 switch (wepmode) { 2792 case IEEE80211_WEP_OFF: 2793 LINE_CHECK("privacy OFF"); 2794 break; 2795 case IEEE80211_WEP_ON: 2796 LINE_CHECK("privacy ON"); 2797 break; 2798 case IEEE80211_WEP_MIXED: 2799 LINE_CHECK("privacy MIXED"); 2800 break; 2801 default: 2802 LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode); 2803 break; 2804 } 2805 2806 /* 2807 * If we get here then we've got WEP support so we need 2808 * to print WEP status. 2809 */ 2810 2811 if (get80211val(s, IEEE80211_IOC_WEPTXKEY, &val) < 0) { 2812 warn("WEP support, but no tx key!"); 2813 goto end; 2814 } 2815 if (val != -1) 2816 LINE_CHECK("deftxkey %d", val+1); 2817 else if (wepmode != IEEE80211_WEP_OFF || verbose) 2818 LINE_CHECK("deftxkey UNDEF"); 2819 2820 if (get80211val(s, IEEE80211_IOC_NUMWEPKEYS, &num) < 0) { 2821 warn("WEP support, but no NUMWEPKEYS support!"); 2822 goto end; 2823 } 2824 2825 firstkey = 1; 2826 for (i = 0; i < num; i++) { 2827 struct ieee80211req_key ik; 2828 2829 memset(&ik, 0, sizeof(ik)); 2830 ik.ik_keyix = i; 2831 if (get80211(s, IEEE80211_IOC_WPAKEY, &ik, sizeof(ik)) < 0) { 2832 warn("WEP support, but can get keys!"); 2833 goto end; 2834 } 2835 if (ik.ik_keylen != 0) { 2836 if (verbose) 2837 LINE_BREAK(); 2838 printkey(&ik); 2839 firstkey = 0; 2840 } 2841 } 2842end: 2843 ; 2844 } 2845 2846 if (get80211val(s, IEEE80211_IOC_POWERSAVE, &val) != -1 && 2847 val != IEEE80211_POWERSAVE_NOSUP ) { 2848 if (val != IEEE80211_POWERSAVE_OFF || verbose) { 2849 switch (val) { 2850 case IEEE80211_POWERSAVE_OFF: 2851 LINE_CHECK("powersavemode OFF"); 2852 break; 2853 case IEEE80211_POWERSAVE_CAM: 2854 LINE_CHECK("powersavemode CAM"); 2855 break; 2856 case IEEE80211_POWERSAVE_PSP: 2857 LINE_CHECK("powersavemode PSP"); 2858 break; 2859 case IEEE80211_POWERSAVE_PSP_CAM: 2860 LINE_CHECK("powersavemode PSP-CAM"); 2861 break; 2862 } 2863 if (get80211val(s, IEEE80211_IOC_POWERSAVESLEEP, &val) != -1) 2864 LINE_CHECK("powersavesleep %d", val); 2865 } 2866 } 2867 2868 if (get80211val(s, IEEE80211_IOC_TXPOWER, &val) != -1) { 2869 if (val & 1) 2870 LINE_CHECK("txpower %d.5", val/2); 2871 else 2872 LINE_CHECK("txpower %d", val/2); 2873 } 2874 if (verbose) { 2875 if (get80211val(s, IEEE80211_IOC_TXPOWMAX, &val) != -1) 2876 LINE_CHECK("txpowmax %.1f", val/2.); 2877 } 2878 2879 if (get80211val(s, IEEE80211_IOC_RTSTHRESHOLD, &val) != -1) { 2880 if (val != IEEE80211_RTS_MAX || verbose) 2881 LINE_CHECK("rtsthreshold %d", val); 2882 } 2883 2884 if (get80211val(s, IEEE80211_IOC_FRAGTHRESHOLD, &val) != -1) { 2885 if (val != IEEE80211_FRAG_MAX || verbose) 2886 LINE_CHECK("fragthreshold %d", val); 2887 } 2888 if (opmode == IEEE80211_M_STA || verbose) { 2889 if (get80211val(s, IEEE80211_IOC_BMISSTHRESHOLD, &val) != -1) { 2890 if (val != IEEE80211_HWBMISS_MAX || verbose) 2891 LINE_CHECK("bmiss %d", val); 2892 } 2893 } 2894 2895 if (get80211val(s, IEEE80211_IOC_MCAST_RATE, &val) != -1) 2896 printrate("mcastrate", val, 2*1, 0/*XXX*/); 2897 2898 bgscaninterval = -1; 2899 (void) get80211val(s, IEEE80211_IOC_BGSCAN_INTERVAL, &bgscaninterval); 2900 2901 if (get80211val(s, IEEE80211_IOC_SCANVALID, &val) != -1) { 2902 if (val != bgscaninterval || verbose) 2903 LINE_CHECK("scanvalid %u", val); 2904 } 2905 2906 bgscan = 0; 2907 if (get80211val(s, IEEE80211_IOC_BGSCAN, &bgscan) != -1) { 2908 if (bgscan) 2909 LINE_CHECK("bgscan"); 2910 else if (verbose) 2911 LINE_CHECK("-bgscan"); 2912 } 2913 if (bgscan || verbose) { 2914 if (bgscaninterval != -1) 2915 LINE_CHECK("bgscanintvl %u", bgscaninterval); 2916 if (get80211val(s, IEEE80211_IOC_BGSCAN_IDLE, &val) != -1) 2917 LINE_CHECK("bgscanidle %u", val); 2918 if (IEEE80211_IS_CHAN_A(c) || verbose) { 2919 if (get80211val(s, IEEE80211_IOC_ROAM_RSSI_11A, &val) != -1) 2920 printrssi("roam:rssi11a", val); 2921 if (get80211val(s, IEEE80211_IOC_ROAM_RATE_11A, &val) != -1) 2922 printrate("roam:rate11a", val, -1, -1); 2923 } 2924 if (IEEE80211_IS_CHAN_B(c) || verbose) { 2925 if (get80211val(s, IEEE80211_IOC_ROAM_RSSI_11B, &val) != -1) 2926 printrssi("roam:rssi11b", val); 2927 if (get80211val(s, IEEE80211_IOC_ROAM_RATE_11B, &val) != -1) 2928 printrate("roam:rate11b", val, -1, -1); 2929 } 2930 if (IEEE80211_IS_CHAN_ANYG(c) || verbose) { 2931 if (get80211val(s, IEEE80211_IOC_ROAM_RSSI_11G, &val) != -1) 2932 printrssi("roam:rssi11g", val); 2933 if (get80211val(s, IEEE80211_IOC_ROAM_RATE_11G, &val) != -1) 2934 printrate("roam:rate11g", val, -1, -1); 2935 } 2936 } 2937 2938 if (IEEE80211_IS_CHAN_ANYG(c) || verbose) { 2939 if (get80211val(s, IEEE80211_IOC_PUREG, &val) != -1) { 2940 if (val) 2941 LINE_CHECK("pureg"); 2942 else if (verbose) 2943 LINE_CHECK("-pureg"); 2944 } 2945 if (get80211val(s, IEEE80211_IOC_PROTMODE, &val) != -1) { 2946 switch (val) { 2947 case IEEE80211_PROTMODE_OFF: 2948 LINE_CHECK("protmode OFF"); 2949 break; 2950 case IEEE80211_PROTMODE_CTS: 2951 LINE_CHECK("protmode CTS"); 2952 break; 2953 case IEEE80211_PROTMODE_RTSCTS: 2954 LINE_CHECK("protmode RTSCTS"); 2955 break; 2956 default: 2957 LINE_CHECK("protmode UNKNOWN (0x%x)", val); 2958 break; 2959 } 2960 } 2961 } 2962 2963 if (IEEE80211_IS_CHAN_HT(c) || verbose) { 2964 gethtconf(s); 2965 switch (htconf & 3) { 2966 case 0: 2967 case 2: 2968 LINE_CHECK("-ht"); 2969 break; 2970 case 1: 2971 LINE_CHECK("ht20"); 2972 break; 2973 case 3: 2974 if (verbose) 2975 LINE_CHECK("ht"); 2976 break; 2977 } 2978 if (get80211val(s, IEEE80211_IOC_HTCOMPAT, &val) != -1) { 2979 if (!val) 2980 LINE_CHECK("-htcompat"); 2981 else if (verbose) 2982 LINE_CHECK("htcompat"); 2983 } 2984 if (get80211val(s, IEEE80211_IOC_AMPDU, &val) != -1) { 2985 switch (val) { 2986 case 0: 2987 LINE_CHECK("-ampdu"); 2988 break; 2989 case 1: 2990 LINE_CHECK("ampdutx -ampdurx"); 2991 break; 2992 case 2: 2993 LINE_CHECK("-ampdutx ampdurx"); 2994 break; 2995 case 3: 2996 if (verbose) 2997 LINE_CHECK("ampdu"); 2998 break; 2999 } 3000 } 3001 if (get80211val(s, IEEE80211_IOC_AMPDU_LIMIT, &val) != -1) { 3002 switch (val) { 3003 case IEEE80211_HTCAP_MAXRXAMPDU_8K: 3004 LINE_CHECK("ampdulimit 8k"); 3005 break; 3006 case IEEE80211_HTCAP_MAXRXAMPDU_16K: 3007 LINE_CHECK("ampdulimit 16k"); 3008 break; 3009 case IEEE80211_HTCAP_MAXRXAMPDU_32K: 3010 LINE_CHECK("ampdulimit 32k"); 3011 break; 3012 case IEEE80211_HTCAP_MAXRXAMPDU_64K: 3013 LINE_CHECK("ampdulimit 64k"); 3014 break; 3015 } 3016 } 3017 if (get80211val(s, IEEE80211_IOC_AMPDU_DENSITY, &val) != -1) { 3018 switch (val) { 3019 case IEEE80211_HTCAP_MPDUDENSITY_NA: 3020 if (verbose) 3021 LINE_CHECK("ampdudensity -"); 3022 break; 3023 case IEEE80211_HTCAP_MPDUDENSITY_025: 3024 LINE_CHECK("ampdudensity .25"); 3025 break; 3026 case IEEE80211_HTCAP_MPDUDENSITY_05: 3027 LINE_CHECK("ampdudensity .5"); 3028 break; 3029 case IEEE80211_HTCAP_MPDUDENSITY_1: 3030 LINE_CHECK("ampdudensity 1"); 3031 break; 3032 case IEEE80211_HTCAP_MPDUDENSITY_2: 3033 LINE_CHECK("ampdudensity 2"); 3034 break; 3035 case IEEE80211_HTCAP_MPDUDENSITY_4: 3036 LINE_CHECK("ampdudensity 4"); 3037 break; 3038 case IEEE80211_HTCAP_MPDUDENSITY_8: 3039 LINE_CHECK("ampdudensity 8"); 3040 break; 3041 case IEEE80211_HTCAP_MPDUDENSITY_16: 3042 LINE_CHECK("ampdudensity 16"); 3043 break; 3044 } 3045 } 3046 if (get80211val(s, IEEE80211_IOC_AMSDU, &val) != -1) { 3047 switch (val) { 3048 case 0: 3049 LINE_CHECK("-amsdu"); 3050 break; 3051 case 1: 3052 LINE_CHECK("amsdutx -amsdurx"); 3053 break; 3054 case 2: 3055 LINE_CHECK("-amsdutx amsdurx"); 3056 break; 3057 case 3: 3058 if (verbose) 3059 LINE_CHECK("amsdu"); 3060 break; 3061 } 3062 } 3063 /* XXX amsdu limit */ 3064 /* XXX 20/40 */ 3065 if (get80211val(s, IEEE80211_IOC_SHORTGI, &val) != -1) { 3066 if (val) 3067 LINE_CHECK("shortgi"); 3068 else if (verbose) 3069 LINE_CHECK("-shortgi"); 3070 } 3071 if (get80211val(s, IEEE80211_IOC_HTPROTMODE, &val) != -1) { 3072 if (val == IEEE80211_PROTMODE_OFF) 3073 LINE_CHECK("htprotmode OFF"); 3074 else if (val != IEEE80211_PROTMODE_RTSCTS) 3075 LINE_CHECK("htprotmode UNKNOWN (0x%x)", val); 3076 else if (verbose) 3077 LINE_CHECK("htprotmode RTSCTS"); 3078 } 3079 if (get80211val(s, IEEE80211_IOC_PUREN, &val) != -1) { 3080 if (val) 3081 LINE_CHECK("puren"); 3082 else if (verbose) 3083 LINE_CHECK("-puren"); 3084 } 3085 } 3086 3087 if (get80211val(s, IEEE80211_IOC_WME, &wme) != -1) { 3088 if (wme) 3089 LINE_CHECK("wme"); 3090 else if (verbose) 3091 LINE_CHECK("-wme"); 3092 } else 3093 wme = 0; 3094 3095 if (get80211val(s, IEEE80211_IOC_BURST, &val) != -1) { 3096 if (val) 3097 LINE_CHECK("burst"); 3098 else if (verbose) 3099 LINE_CHECK("-burst"); 3100 } 3101 3102 if (get80211val(s, IEEE80211_IOC_FF, &val) != -1) { 3103 if (val) 3104 LINE_CHECK("ff"); 3105 else if (verbose) 3106 LINE_CHECK("-ff"); 3107 } 3108 if (get80211val(s, IEEE80211_IOC_TURBOP, &val) != -1) { 3109 if (val) 3110 LINE_CHECK("dturbo"); 3111 else if (verbose) 3112 LINE_CHECK("-dturbo"); 3113 } 3114 3115 if (opmode == IEEE80211_M_HOSTAP) { 3116 if (get80211val(s, IEEE80211_IOC_HIDESSID, &val) != -1) { 3117 if (val) 3118 LINE_CHECK("hidessid"); 3119 else if (verbose) 3120 LINE_CHECK("-hidessid"); 3121 } 3122 if (get80211val(s, IEEE80211_IOC_APBRIDGE, &val) != -1) { 3123 if (!val) 3124 LINE_CHECK("-apbridge"); 3125 else if (verbose) 3126 LINE_CHECK("apbridge"); 3127 } 3128 if (get80211val(s, IEEE80211_IOC_DTIM_PERIOD, &val) != -1) 3129 LINE_CHECK("dtimperiod %u", val); 3130 3131 if (get80211val(s, IEEE80211_IOC_DOTH, &val) != -1) { 3132 if (!val) 3133 LINE_CHECK("-doth"); 3134 else if (verbose) 3135 LINE_CHECK("doth"); 3136 } 3137 if (get80211val(s, IEEE80211_IOC_INACTIVITY, &val) != -1) { 3138 if (!val) 3139 LINE_CHECK("-inact"); 3140 else if (verbose) 3141 LINE_CHECK("inact"); 3142 } 3143 } else { 3144 if (get80211val(s, IEEE80211_IOC_ROAMING, &val) != -1) { 3145 if (val != IEEE80211_ROAMING_AUTO || verbose) { 3146 switch (val) { 3147 case IEEE80211_ROAMING_DEVICE: 3148 LINE_CHECK("roaming DEVICE"); 3149 break; 3150 case IEEE80211_ROAMING_AUTO: 3151 LINE_CHECK("roaming AUTO"); 3152 break; 3153 case IEEE80211_ROAMING_MANUAL: 3154 LINE_CHECK("roaming MANUAL"); 3155 break; 3156 default: 3157 LINE_CHECK("roaming UNKNOWN (0x%x)", 3158 val); 3159 break; 3160 } 3161 } 3162 } 3163 } 3164 if (get80211val(s, IEEE80211_IOC_BEACON_INTERVAL, &val) != -1) { 3165 /* XXX default define not visible */ 3166 if (val != 100 || verbose) 3167 LINE_CHECK("bintval %u", val); 3168 } 3169 3170 if (wme && verbose) { 3171 LINE_BREAK(); 3172 list_wme(s); 3173 } 3174 LINE_BREAK(); 3175} 3176 3177static int 3178get80211(int s, int type, void *data, int len) 3179{ 3180 struct ieee80211req ireq; 3181 3182 (void) memset(&ireq, 0, sizeof(ireq)); 3183 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3184 ireq.i_type = type; 3185 ireq.i_data = data; 3186 ireq.i_len = len; 3187 return ioctl(s, SIOCG80211, &ireq); 3188} 3189 3190static int 3191get80211len(int s, int type, void *data, int len, int *plen) 3192{ 3193 struct ieee80211req ireq; 3194 3195 (void) memset(&ireq, 0, sizeof(ireq)); 3196 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3197 ireq.i_type = type; 3198 ireq.i_len = len; 3199 ireq.i_data = data; 3200 if (ioctl(s, SIOCG80211, &ireq) < 0) 3201 return -1; 3202 *plen = ireq.i_len; 3203 return 0; 3204} 3205 3206static int 3207get80211val(int s, int type, int *val) 3208{ 3209 struct ieee80211req ireq; 3210 3211 (void) memset(&ireq, 0, sizeof(ireq)); 3212 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3213 ireq.i_type = type; 3214 if (ioctl(s, SIOCG80211, &ireq) < 0) 3215 return -1; 3216 *val = ireq.i_val; 3217 return 0; 3218} 3219 3220static void 3221set80211(int s, int type, int val, int len, void *data) 3222{ 3223 struct ieee80211req ireq; 3224 3225 (void) memset(&ireq, 0, sizeof(ireq)); 3226 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3227 ireq.i_type = type; 3228 ireq.i_val = val; 3229 ireq.i_len = len; 3230 ireq.i_data = data; 3231 if (ioctl(s, SIOCS80211, &ireq) < 0) 3232 err(1, "SIOCS80211"); 3233} 3234 3235static const char * 3236get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 3237{ 3238 int len; 3239 int hexstr; 3240 u_int8_t *p; 3241 3242 len = *lenp; 3243 p = buf; 3244 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 3245 if (hexstr) 3246 val += 2; 3247 for (;;) { 3248 if (*val == '\0') 3249 break; 3250 if (sep != NULL && strchr(sep, *val) != NULL) { 3251 val++; 3252 break; 3253 } 3254 if (hexstr) { 3255 if (!isxdigit((u_char)val[0])) { 3256 warnx("bad hexadecimal digits"); 3257 return NULL; 3258 } 3259 if (!isxdigit((u_char)val[1])) { 3260 warnx("odd count hexadecimal digits"); 3261 return NULL; 3262 } 3263 } 3264 if (p >= buf + len) { 3265 if (hexstr) 3266 warnx("hexadecimal digits too long"); 3267 else 3268 warnx("string too long"); 3269 return NULL; 3270 } 3271 if (hexstr) { 3272#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 3273 *p++ = (tohex((u_char)val[0]) << 4) | 3274 tohex((u_char)val[1]); 3275#undef tohex 3276 val += 2; 3277 } else 3278 *p++ = *val++; 3279 } 3280 len = p - buf; 3281 /* The string "-" is treated as the empty string. */ 3282 if (!hexstr && len == 1 && buf[0] == '-') { 3283 len = 0; 3284 memset(buf, 0, *lenp); 3285 } else if (len < *lenp) 3286 memset(p, 0, *lenp - len); 3287 *lenp = len; 3288 return val; 3289} 3290 3291static void 3292print_string(const u_int8_t *buf, int len) 3293{ 3294 int i; 3295 int hasspc; 3296 3297 i = 0; 3298 hasspc = 0; 3299 for (; i < len; i++) { 3300 if (!isprint(buf[i]) && buf[i] != '\0') 3301 break; 3302 if (isspace(buf[i])) 3303 hasspc++; 3304 } 3305 if (i == len) { 3306 if (hasspc || len == 0 || buf[0] == '\0') 3307 printf("\"%.*s\"", len, buf); 3308 else 3309 printf("%.*s", len, buf); 3310 } else { 3311 printf("0x"); 3312 for (i = 0; i < len; i++) 3313 printf("%02x", buf[i]); 3314 } 3315} 3316 3317static struct cmd ieee80211_cmds[] = { 3318 DEF_CMD_ARG("ssid", set80211ssid), 3319 DEF_CMD_ARG("nwid", set80211ssid), 3320 DEF_CMD_ARG("stationname", set80211stationname), 3321 DEF_CMD_ARG("station", set80211stationname), /* BSD/OS */ 3322 DEF_CMD_ARG("channel", set80211channel), 3323 DEF_CMD_ARG("authmode", set80211authmode), 3324 DEF_CMD_ARG("powersavemode", set80211powersavemode), 3325 DEF_CMD("powersave", 1, set80211powersave), 3326 DEF_CMD("-powersave", 0, set80211powersave), 3327 DEF_CMD_ARG("powersavesleep", set80211powersavesleep), 3328 DEF_CMD_ARG("wepmode", set80211wepmode), 3329 DEF_CMD("wep", 1, set80211wep), 3330 DEF_CMD("-wep", 0, set80211wep), 3331 DEF_CMD_ARG("deftxkey", set80211weptxkey), 3332 DEF_CMD_ARG("weptxkey", set80211weptxkey), 3333 DEF_CMD_ARG("wepkey", set80211wepkey), 3334 DEF_CMD_ARG("nwkey", set80211nwkey), /* NetBSD */ 3335 DEF_CMD("-nwkey", 0, set80211wep), /* NetBSD */ 3336 DEF_CMD_ARG("rtsthreshold", set80211rtsthreshold), 3337 DEF_CMD_ARG("protmode", set80211protmode), 3338 DEF_CMD_ARG("txpower", set80211txpower), 3339 DEF_CMD_ARG("roaming", set80211roaming), 3340 DEF_CMD("wme", 1, set80211wme), 3341 DEF_CMD("-wme", 0, set80211wme), 3342 DEF_CMD("hidessid", 1, set80211hidessid), 3343 DEF_CMD("-hidessid", 0, set80211hidessid), 3344 DEF_CMD("apbridge", 1, set80211apbridge), 3345 DEF_CMD("-apbridge", 0, set80211apbridge), 3346 DEF_CMD_ARG("chanlist", set80211chanlist), 3347 DEF_CMD_ARG("bssid", set80211bssid), 3348 DEF_CMD_ARG("ap", set80211bssid), 3349 DEF_CMD("scan", 0, set80211scan), 3350 DEF_CMD_ARG("list", set80211list), 3351 DEF_CMD_ARG2("cwmin", set80211cwmin), 3352 DEF_CMD_ARG2("cwmax", set80211cwmax), 3353 DEF_CMD_ARG2("aifs", set80211aifs), 3354 DEF_CMD_ARG2("txoplimit", set80211txoplimit), 3355 DEF_CMD_ARG("acm", set80211acm), 3356 DEF_CMD_ARG("-acm", set80211noacm), 3357 DEF_CMD_ARG("ack", set80211ackpolicy), 3358 DEF_CMD_ARG("-ack", set80211noackpolicy), 3359 DEF_CMD_ARG2("bss:cwmin", set80211bsscwmin), 3360 DEF_CMD_ARG2("bss:cwmax", set80211bsscwmax), 3361 DEF_CMD_ARG2("bss:aifs", set80211bssaifs), 3362 DEF_CMD_ARG2("bss:txoplimit", set80211bsstxoplimit), 3363 DEF_CMD_ARG("dtimperiod", set80211dtimperiod), 3364 DEF_CMD_ARG("bintval", set80211bintval), 3365 DEF_CMD("mac:open", IEEE80211_MACCMD_POLICY_OPEN, set80211maccmd), 3366 DEF_CMD("mac:allow", IEEE80211_MACCMD_POLICY_ALLOW, set80211maccmd), 3367 DEF_CMD("mac:deny", IEEE80211_MACCMD_POLICY_DENY, set80211maccmd), 3368 DEF_CMD("mac:flush", IEEE80211_MACCMD_FLUSH, set80211maccmd), 3369 DEF_CMD("mac:detach", IEEE80211_MACCMD_DETACH, set80211maccmd), 3370 DEF_CMD_ARG("mac:add", set80211addmac), 3371 DEF_CMD_ARG("mac:del", set80211delmac), 3372 DEF_CMD_ARG("mac:kick", set80211kickmac), 3373 DEF_CMD("pureg", 1, set80211pureg), 3374 DEF_CMD("-pureg", 0, set80211pureg), 3375 DEF_CMD("ff", 1, set80211fastframes), 3376 DEF_CMD("-ff", 0, set80211fastframes), 3377 DEF_CMD("dturbo", 1, set80211dturbo), 3378 DEF_CMD("-dturbo", 0, set80211dturbo), 3379 DEF_CMD("bgscan", 1, set80211bgscan), 3380 DEF_CMD("-bgscan", 0, set80211bgscan), 3381 DEF_CMD_ARG("bgscanidle", set80211bgscanidle), 3382 DEF_CMD_ARG("bgscanintvl", set80211bgscanintvl), 3383 DEF_CMD_ARG("scanvalid", set80211scanvalid), 3384 DEF_CMD_ARG("roam:rssi11a", set80211roamrssi11a), 3385 DEF_CMD_ARG("roam:rssi11b", set80211roamrssi11b), 3386 DEF_CMD_ARG("roam:rssi11g", set80211roamrssi11g), 3387 DEF_CMD_ARG("roam:rate11a", set80211roamrate11a), 3388 DEF_CMD_ARG("roam:rate11b", set80211roamrate11b), 3389 DEF_CMD_ARG("roam:rate11g", set80211roamrate11g), 3390 DEF_CMD_ARG("mcastrate", set80211mcastrate), 3391 DEF_CMD_ARG("fragthreshold", set80211fragthreshold), 3392 DEF_CMD("burst", 1, set80211burst), 3393 DEF_CMD("-burst", 0, set80211burst), 3394 DEF_CMD_ARG("bmiss", set80211bmissthreshold), 3395 DEF_CMD_ARG("bmissthreshold", set80211bmissthreshold), 3396 DEF_CMD("shortgi", 1, set80211shortgi), 3397 DEF_CMD("-shortgi", 0, set80211shortgi), 3398 DEF_CMD("ampdurx", 2, set80211ampdu), 3399 DEF_CMD("-ampdurx", -2, set80211ampdu), 3400 DEF_CMD("ampdutx", 1, set80211ampdu), 3401 DEF_CMD("-ampdutx", -1, set80211ampdu), 3402 DEF_CMD("ampdu", 3, set80211ampdu), /* NB: tx+rx */ 3403 DEF_CMD("-ampdu", -3, set80211ampdu), 3404 DEF_CMD_ARG("ampdulimit", set80211ampdulimit), 3405 DEF_CMD_ARG("ampdudensity", set80211ampdudensity), 3406 DEF_CMD("amsdurx", 2, set80211amsdu), 3407 DEF_CMD("-amsdurx", -2, set80211amsdu), 3408 DEF_CMD("amsdutx", 1, set80211amsdu), 3409 DEF_CMD("-amsdutx", -1, set80211amsdu), 3410 DEF_CMD("amsdu", 3, set80211amsdu), /* NB: tx+rx */ 3411 DEF_CMD("-amsdu", -3, set80211amsdu), 3412 DEF_CMD_ARG("amsdulimit", set80211amsdulimit), 3413 DEF_CMD("puren", 1, set80211puren), 3414 DEF_CMD("-puren", 0, set80211puren), 3415 DEF_CMD("doth", 1, set80211doth), 3416 DEF_CMD("-doth", 0, set80211doth), 3417 DEF_CMD("htcompat", 1, set80211htcompat), 3418 DEF_CMD("-htcompat", 0, set80211htcompat), 3419 DEF_CMD("inact", 1, set80211inact), 3420 DEF_CMD("-inact", 0, set80211inact), 3421 DEF_CMD_ARG("htprotmode", set80211htprotmode), 3422 DEF_CMD("ht20", 1, set80211htconf), 3423 DEF_CMD("-ht20", 0, set80211htconf), 3424 DEF_CMD("ht40", 3, set80211htconf), /* NB: 20+40 */ 3425 DEF_CMD("-ht40", 0, set80211htconf), 3426 DEF_CMD("ht", 3, set80211htconf), /* NB: 20+40 */ 3427 DEF_CMD("-ht", 0, set80211htconf), 3428}; 3429static struct afswtch af_ieee80211 = { 3430 .af_name = "af_ieee80211", 3431 .af_af = AF_UNSPEC, 3432 .af_other_status = ieee80211_status, 3433}; 3434 3435static __constructor void 3436ieee80211_ctor(void) 3437{ 3438#define N(a) (sizeof(a) / sizeof(a[0])) 3439 int i; 3440 3441 for (i = 0; i < N(ieee80211_cmds); i++) 3442 cmd_register(&ieee80211_cmds[i]); 3443 af_register(&af_ieee80211); 3444#undef N 3445} 3446