ifieee80211.c revision 175952
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 175952 2008-02-03 18:21:13Z 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(int txrate, int chanflags) 2060{ 2061 if (txrate & 0x80) { 2062 txrate = htrates[txrate & 0xf]; 2063 /* NB: could bump this more based on short gi */ 2064 return chanflags & IEEE80211_CHAN_HT40 ? txrate : txrate / 2; 2065 } else 2066 return (txrate & IEEE80211_RATE_VAL) / 2; 2067} 2068 2069static void 2070list_stations(int s) 2071{ 2072 union { 2073 struct ieee80211req_sta_req req; 2074 uint8_t buf[24*1024]; 2075 } u; 2076 enum ieee80211_opmode opmode = get80211opmode(s); 2077 const uint8_t *cp; 2078 int len; 2079 2080 /* broadcast address =>'s get all stations */ 2081 (void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN); 2082 if (opmode == IEEE80211_M_STA) { 2083 /* 2084 * Get information about the associated AP. 2085 */ 2086 (void) get80211(s, IEEE80211_IOC_BSSID, 2087 u.req.is_u.macaddr, IEEE80211_ADDR_LEN); 2088 } 2089 if (get80211len(s, IEEE80211_IOC_STA_INFO, &u, sizeof(u), &len) < 0) 2090 errx(1, "unable to get station information"); 2091 if (len < sizeof(struct ieee80211req_sta_info)) 2092 return; 2093 2094 getchaninfo(s); 2095 2096 printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %4s\n" 2097 , "ADDR" 2098 , "AID" 2099 , "CHAN" 2100 , "RATE" 2101 , "RSSI" 2102 , "IDLE" 2103 , "TXSEQ" 2104 , "RXSEQ" 2105 , "CAPS" 2106 , "FLAG" 2107 ); 2108 cp = (const uint8_t *) u.req.info; 2109 do { 2110 const struct ieee80211req_sta_info *si; 2111 2112 si = (const struct ieee80211req_sta_info *) cp; 2113 if (si->isi_len < sizeof(*si)) 2114 break; 2115 printf("%s %4u %4d %3dM %3.1f %4d %6d %6d %-4.4s %-4.4s" 2116 , ether_ntoa((const struct ether_addr*) si->isi_macaddr) 2117 , IEEE80211_AID(si->isi_associd) 2118 , ieee80211_mhz2ieee(si->isi_freq, si->isi_flags) 2119 , gettxrate(si->isi_txrate, si->isi_flags) 2120 , si->isi_rssi/2. 2121 , si->isi_inact 2122 , gettxseq(si) 2123 , getrxseq(si) 2124 , getcaps(si->isi_capinfo) 2125 , getflags(si->isi_state) 2126 ); 2127 printies(cp + si->isi_ie_off, si->isi_ie_len, 24); 2128 printf("\n"); 2129 cp += si->isi_len, len -= si->isi_len; 2130 } while (len >= sizeof(struct ieee80211req_sta_info)); 2131} 2132 2133static const char * 2134get_chaninfo(const struct ieee80211_channel *c, int precise, 2135 char buf[], size_t bsize) 2136{ 2137 buf[0] = '\0'; 2138 if (IEEE80211_IS_CHAN_FHSS(c)) 2139 strlcat(buf, " FHSS", bsize); 2140 if (IEEE80211_IS_CHAN_A(c)) { 2141 if (IEEE80211_IS_CHAN_HALF(c)) 2142 strlcat(buf, " 11a/10Mhz", bsize); 2143 else if (IEEE80211_IS_CHAN_QUARTER(c)) 2144 strlcat(buf, " 11a/5Mhz", bsize); 2145 else 2146 strlcat(buf, " 11a", bsize); 2147 } 2148 if (IEEE80211_IS_CHAN_ANYG(c)) { 2149 if (IEEE80211_IS_CHAN_HALF(c)) 2150 strlcat(buf, " 11g/10Mhz", bsize); 2151 else if (IEEE80211_IS_CHAN_QUARTER(c)) 2152 strlcat(buf, " 11g/5Mhz", bsize); 2153 else 2154 strlcat(buf, " 11g", bsize); 2155 } else if (IEEE80211_IS_CHAN_B(c)) 2156 strlcat(buf, " 11b", bsize); 2157 if (IEEE80211_IS_CHAN_TURBO(c)) 2158 strlcat(buf, " Turbo", bsize); 2159 if (precise) { 2160 if (IEEE80211_IS_CHAN_HT20(c)) 2161 strlcat(buf, " ht/20", bsize); 2162 else if (IEEE80211_IS_CHAN_HT40D(c)) 2163 strlcat(buf, " ht/40-", bsize); 2164 else if (IEEE80211_IS_CHAN_HT40U(c)) 2165 strlcat(buf, " ht/40+", bsize); 2166 } else { 2167 if (IEEE80211_IS_CHAN_HT(c)) 2168 strlcat(buf, " ht", bsize); 2169 } 2170 return buf; 2171} 2172 2173static void 2174print_chaninfo(const struct ieee80211_channel *c, int verb) 2175{ 2176 char buf[14]; 2177 2178 printf("Channel %3u : %u%c Mhz%-14.14s", 2179 ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq, 2180 IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', 2181 get_chaninfo(c, verb, buf, sizeof(buf))); 2182} 2183 2184static void 2185print_channels(int s, const struct ieee80211req_chaninfo *chans, 2186 int allchans, int verb) 2187{ 2188 struct ieee80211req_chaninfo achans; 2189 uint8_t reported[IEEE80211_CHAN_BYTES]; 2190 const struct ieee80211_channel *c; 2191 int i, half; 2192 2193 memset(&achans, 0, sizeof(achans)); 2194 memset(reported, 0, sizeof(reported)); 2195 if (!allchans) { 2196 struct ieee80211req_chanlist active; 2197 2198 if (get80211(s, IEEE80211_IOC_CHANLIST, &active, sizeof(active)) < 0) 2199 errx(1, "unable to get active channel list"); 2200 memset(&achans, 0, sizeof(achans)); 2201 for (i = 0; i < chans->ic_nchans; i++) { 2202 c = &chans->ic_chans[i]; 2203 if (!isset(active.ic_channels, c->ic_ieee)) 2204 continue; 2205 /* 2206 * Suppress compatible duplicates unless 2207 * verbose. The kernel gives us it's 2208 * complete channel list which has separate 2209 * entries for 11g/11b and 11a/turbo. 2210 */ 2211 if (isset(reported, c->ic_ieee) && !verb) { 2212 /* XXX we assume duplicates are adjacent */ 2213 achans.ic_chans[achans.ic_nchans-1] = *c; 2214 } else { 2215 achans.ic_chans[achans.ic_nchans++] = *c; 2216 setbit(reported, c->ic_ieee); 2217 } 2218 } 2219 } else { 2220 for (i = 0; i < chans->ic_nchans; i++) { 2221 c = &chans->ic_chans[i]; 2222 /* suppress duplicates as above */ 2223 if (isset(reported, c->ic_ieee) && !verb) { 2224 /* XXX we assume duplicates are adjacent */ 2225 achans.ic_chans[achans.ic_nchans-1] = *c; 2226 } else { 2227 achans.ic_chans[achans.ic_nchans++] = *c; 2228 setbit(reported, c->ic_ieee); 2229 } 2230 } 2231 } 2232 half = achans.ic_nchans / 2; 2233 if (achans.ic_nchans % 2) 2234 half++; 2235 2236 for (i = 0; i < achans.ic_nchans / 2; i++) { 2237 print_chaninfo(&achans.ic_chans[i], verb); 2238 print_chaninfo(&achans.ic_chans[half+i], verb); 2239 printf("\n"); 2240 } 2241 if (achans.ic_nchans % 2) { 2242 print_chaninfo(&achans.ic_chans[i], verb); 2243 printf("\n"); 2244 } 2245} 2246 2247static void 2248list_channels(int s, int allchans) 2249{ 2250 getchaninfo(s); 2251 print_channels(s, &chaninfo, allchans, verbose); 2252} 2253 2254static void 2255print_txpow(const struct ieee80211_channel *c) 2256{ 2257 printf("Channel %3u : %u Mhz %3.1f reg %2d ", 2258 c->ic_ieee, c->ic_freq, 2259 c->ic_maxpower/2., c->ic_maxregpower); 2260} 2261 2262static void 2263print_txpow_verbose(const struct ieee80211_channel *c) 2264{ 2265 print_chaninfo(c, 1); 2266 printf("min %4.1f dBm max %3.1f dBm reg %2d dBm", 2267 c->ic_minpower/2., c->ic_maxpower/2., c->ic_maxregpower); 2268 /* indicate where regulatory cap limits power use */ 2269 if (c->ic_maxpower > 2*c->ic_maxregpower) 2270 printf(" <"); 2271} 2272 2273static void 2274list_txpow(int s) 2275{ 2276 struct ieee80211req_chaninfo achans; 2277 uint8_t reported[IEEE80211_CHAN_BYTES]; 2278 struct ieee80211_channel *c, *prev; 2279 int i, half; 2280 2281 getchaninfo(s); 2282 memset(&achans, 0, sizeof(achans)); 2283 memset(reported, 0, sizeof(reported)); 2284 for (i = 0; i < chaninfo.ic_nchans; i++) { 2285 c = &chaninfo.ic_chans[i]; 2286 /* suppress duplicates as above */ 2287 if (isset(reported, c->ic_ieee) && !verbose) { 2288 /* XXX we assume duplicates are adjacent */ 2289 prev = &achans.ic_chans[achans.ic_nchans-1]; 2290 /* display highest power on channel */ 2291 if (c->ic_maxpower > prev->ic_maxpower) 2292 *prev = *c; 2293 } else { 2294 achans.ic_chans[achans.ic_nchans++] = *c; 2295 setbit(reported, c->ic_ieee); 2296 } 2297 } 2298 if (!verbose) { 2299 half = achans.ic_nchans / 2; 2300 if (achans.ic_nchans % 2) 2301 half++; 2302 2303 for (i = 0; i < achans.ic_nchans / 2; i++) { 2304 print_txpow(&achans.ic_chans[i]); 2305 print_txpow(&achans.ic_chans[half+i]); 2306 printf("\n"); 2307 } 2308 if (achans.ic_nchans % 2) { 2309 print_txpow(&achans.ic_chans[i]); 2310 printf("\n"); 2311 } 2312 } else { 2313 for (i = 0; i < achans.ic_nchans; i++) { 2314 print_txpow_verbose(&achans.ic_chans[i]); 2315 printf("\n"); 2316 } 2317 } 2318} 2319 2320static void 2321list_keys(int s) 2322{ 2323} 2324 2325#define IEEE80211_C_BITS \ 2326"\020\1WEP\2TKIP\3AES\4AES_CCM\6CKIP\7FF\10TURBOP\11IBSS\12PMGT\13HOSTAP\14AHDEMO" \ 2327"\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE\21MONITOR\22TKIPMIC\30WPA1" \ 2328"\31WPA2\32BURST\33WME\34WDS\36BGSCAN\37TXFRAG" 2329 2330static void 2331list_capabilities(int s) 2332{ 2333 struct ieee80211req ireq; 2334 u_int32_t caps; 2335 2336 (void) memset(&ireq, 0, sizeof(ireq)); 2337 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2338 ireq.i_type = IEEE80211_IOC_DRIVER_CAPS; 2339 if (ioctl(s, SIOCG80211, &ireq) < 0) 2340 errx(1, "unable to get driver capabilities"); 2341 caps = (((u_int16_t) ireq.i_val) << 16) | ((u_int16_t) ireq.i_len); 2342 printb(name, caps, IEEE80211_C_BITS); 2343 putchar('\n'); 2344} 2345 2346static int 2347get80211wme(int s, int param, int ac, int *val) 2348{ 2349 struct ieee80211req ireq; 2350 2351 (void) memset(&ireq, 0, sizeof(ireq)); 2352 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2353 ireq.i_type = param; 2354 ireq.i_len = ac; 2355 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2356 warn("cannot get WME parameter %d, ac %d%s", 2357 param, ac & IEEE80211_WMEPARAM_VAL, 2358 ac & IEEE80211_WMEPARAM_BSS ? " (BSS)" : ""); 2359 return -1; 2360 } 2361 *val = ireq.i_val; 2362 return 0; 2363} 2364 2365static void 2366list_wme(int s) 2367{ 2368 static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" }; 2369 int ac, val; 2370 2371 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) { 2372again: 2373 if (ac & IEEE80211_WMEPARAM_BSS) 2374 printf("\t%s", " "); 2375 else 2376 printf("\t%s", acnames[ac]); 2377 2378 /* show WME BSS parameters */ 2379 if (get80211wme(s, IEEE80211_IOC_WME_CWMIN, ac, &val) != -1) 2380 printf(" cwmin %2u", val); 2381 if (get80211wme(s, IEEE80211_IOC_WME_CWMAX, ac, &val) != -1) 2382 printf(" cwmax %2u", val); 2383 if (get80211wme(s, IEEE80211_IOC_WME_AIFS, ac, &val) != -1) 2384 printf(" aifs %2u", val); 2385 if (get80211wme(s, IEEE80211_IOC_WME_TXOPLIMIT, ac, &val) != -1) 2386 printf(" txopLimit %3u", val); 2387 if (get80211wme(s, IEEE80211_IOC_WME_ACM, ac, &val) != -1) { 2388 if (val) 2389 printf(" acm"); 2390 else if (verbose) 2391 printf(" -acm"); 2392 } 2393 /* !BSS only */ 2394 if ((ac & IEEE80211_WMEPARAM_BSS) == 0) { 2395 if (get80211wme(s, IEEE80211_IOC_WME_ACKPOLICY, ac, &val) != -1) { 2396 if (!val) 2397 printf(" -ack"); 2398 else if (verbose) 2399 printf(" ack"); 2400 } 2401 } 2402 printf("\n"); 2403 if ((ac & IEEE80211_WMEPARAM_BSS) == 0) { 2404 ac |= IEEE80211_WMEPARAM_BSS; 2405 goto again; 2406 } else 2407 ac &= ~IEEE80211_WMEPARAM_BSS; 2408 } 2409} 2410 2411static void 2412printpolicy(int policy) 2413{ 2414 switch (policy) { 2415 case IEEE80211_MACCMD_POLICY_OPEN: 2416 printf("policy: open\n"); 2417 break; 2418 case IEEE80211_MACCMD_POLICY_ALLOW: 2419 printf("policy: allow\n"); 2420 break; 2421 case IEEE80211_MACCMD_POLICY_DENY: 2422 printf("policy: deny\n"); 2423 break; 2424 default: 2425 printf("policy: unknown (%u)\n", policy); 2426 break; 2427 } 2428} 2429 2430static void 2431list_mac(int s) 2432{ 2433 struct ieee80211req ireq; 2434 struct ieee80211req_maclist *acllist; 2435 int i, nacls, policy, len; 2436 uint8_t *data; 2437 char c; 2438 2439 (void) memset(&ireq, 0, sizeof(ireq)); 2440 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */ 2441 ireq.i_type = IEEE80211_IOC_MACCMD; 2442 ireq.i_val = IEEE80211_MACCMD_POLICY; 2443 if (ioctl(s, SIOCG80211, &ireq) < 0) { 2444 if (errno == EINVAL) { 2445 printf("No acl policy loaded\n"); 2446 return; 2447 } 2448 err(1, "unable to get mac policy"); 2449 } 2450 policy = ireq.i_val; 2451 if (policy == IEEE80211_MACCMD_POLICY_OPEN) { 2452 c = '*'; 2453 } else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) { 2454 c = '+'; 2455 } else if (policy == IEEE80211_MACCMD_POLICY_DENY) { 2456 c = '-'; 2457 } else { 2458 printf("policy: unknown (%u)\n", policy); 2459 c = '?'; 2460 } 2461 if (verbose || c == '?') 2462 printpolicy(policy); 2463 2464 ireq.i_val = IEEE80211_MACCMD_LIST; 2465 ireq.i_len = 0; 2466 if (ioctl(s, SIOCG80211, &ireq) < 0) 2467 err(1, "unable to get mac acl list size"); 2468 if (ireq.i_len == 0) { /* NB: no acls */ 2469 if (!(verbose || c == '?')) 2470 printpolicy(policy); 2471 return; 2472 } 2473 len = ireq.i_len; 2474 2475 data = malloc(len); 2476 if (data == NULL) 2477 err(1, "out of memory for acl list"); 2478 2479 ireq.i_data = data; 2480 if (ioctl(s, SIOCG80211, &ireq) < 0) 2481 err(1, "unable to get mac acl list"); 2482 nacls = len / sizeof(*acllist); 2483 acllist = (struct ieee80211req_maclist *) data; 2484 for (i = 0; i < nacls; i++) 2485 printf("%c%s\n", c, ether_ntoa( 2486 (const struct ether_addr *) acllist[i].ml_macaddr)); 2487 free(data); 2488} 2489 2490static 2491DECL_CMD_FUNC(set80211list, arg, d) 2492{ 2493#define iseq(a,b) (strncasecmp(a,b,sizeof(b)-1) == 0) 2494 2495 LINE_INIT('\t'); 2496 2497 if (iseq(arg, "sta")) 2498 list_stations(s); 2499 else if (iseq(arg, "scan") || iseq(arg, "ap")) 2500 list_scan(s); 2501 else if (iseq(arg, "chan") || iseq(arg, "freq")) 2502 list_channels(s, 1); 2503 else if (iseq(arg, "active")) 2504 list_channels(s, 0); 2505 else if (iseq(arg, "keys")) 2506 list_keys(s); 2507 else if (iseq(arg, "caps")) 2508 list_capabilities(s); 2509 else if (iseq(arg, "wme")) 2510 list_wme(s); 2511 else if (iseq(arg, "mac")) 2512 list_mac(s); 2513 else if (iseq(arg, "txpow")) 2514 list_txpow(s); 2515 else 2516 errx(1, "Don't know how to list %s for %s", arg, name); 2517#undef iseq 2518} 2519 2520static enum ieee80211_opmode 2521get80211opmode(int s) 2522{ 2523 struct ifmediareq ifmr; 2524 2525 (void) memset(&ifmr, 0, sizeof(ifmr)); 2526 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2527 2528 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) { 2529 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) 2530 return IEEE80211_M_IBSS; /* XXX ahdemo */ 2531 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP) 2532 return IEEE80211_M_HOSTAP; 2533 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR) 2534 return IEEE80211_M_MONITOR; 2535 } 2536 return IEEE80211_M_STA; 2537} 2538 2539#if 0 2540static void 2541printcipher(int s, struct ieee80211req *ireq, int keylenop) 2542{ 2543 switch (ireq->i_val) { 2544 case IEEE80211_CIPHER_WEP: 2545 ireq->i_type = keylenop; 2546 if (ioctl(s, SIOCG80211, ireq) != -1) 2547 printf("WEP-%s", 2548 ireq->i_len <= 5 ? "40" : 2549 ireq->i_len <= 13 ? "104" : "128"); 2550 else 2551 printf("WEP"); 2552 break; 2553 case IEEE80211_CIPHER_TKIP: 2554 printf("TKIP"); 2555 break; 2556 case IEEE80211_CIPHER_AES_OCB: 2557 printf("AES-OCB"); 2558 break; 2559 case IEEE80211_CIPHER_AES_CCM: 2560 printf("AES-CCM"); 2561 break; 2562 case IEEE80211_CIPHER_CKIP: 2563 printf("CKIP"); 2564 break; 2565 case IEEE80211_CIPHER_NONE: 2566 printf("NONE"); 2567 break; 2568 default: 2569 printf("UNKNOWN (0x%x)", ireq->i_val); 2570 break; 2571 } 2572} 2573#endif 2574 2575static void 2576printkey(const struct ieee80211req_key *ik) 2577{ 2578 static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE]; 2579 int keylen = ik->ik_keylen; 2580 int printcontents; 2581 2582 printcontents = printkeys && 2583 (memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose); 2584 if (printcontents) 2585 LINE_BREAK(); 2586 switch (ik->ik_type) { 2587 case IEEE80211_CIPHER_WEP: 2588 /* compatibility */ 2589 LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1, 2590 keylen <= 5 ? "40-bit" : 2591 keylen <= 13 ? "104-bit" : "128-bit"); 2592 break; 2593 case IEEE80211_CIPHER_TKIP: 2594 if (keylen > 128/8) 2595 keylen -= 128/8; /* ignore MIC for now */ 2596 LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2597 break; 2598 case IEEE80211_CIPHER_AES_OCB: 2599 LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2600 break; 2601 case IEEE80211_CIPHER_AES_CCM: 2602 LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2603 break; 2604 case IEEE80211_CIPHER_CKIP: 2605 LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2606 break; 2607 case IEEE80211_CIPHER_NONE: 2608 LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen); 2609 break; 2610 default: 2611 LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit", 2612 ik->ik_type, ik->ik_keyix+1, 8*keylen); 2613 break; 2614 } 2615 if (printcontents) { 2616 int i; 2617 2618 printf(" <"); 2619 for (i = 0; i < keylen; i++) 2620 printf("%02x", ik->ik_keydata[i]); 2621 printf(">"); 2622 if (ik->ik_type != IEEE80211_CIPHER_WEP && 2623 (ik->ik_keyrsc != 0 || verbose)) 2624 printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc); 2625 if (ik->ik_type != IEEE80211_CIPHER_WEP && 2626 (ik->ik_keytsc != 0 || verbose)) 2627 printf(" tsc %ju", (uintmax_t)ik->ik_keytsc); 2628 if (ik->ik_flags != 0 && verbose) { 2629 const char *sep = " "; 2630 2631 if (ik->ik_flags & IEEE80211_KEY_XMIT) 2632 printf("%stx", sep), sep = "+"; 2633 if (ik->ik_flags & IEEE80211_KEY_RECV) 2634 printf("%srx", sep), sep = "+"; 2635 if (ik->ik_flags & IEEE80211_KEY_DEFAULT) 2636 printf("%sdef", sep), sep = "+"; 2637 } 2638 LINE_BREAK(); 2639 } 2640} 2641 2642static void 2643printrate(const char *tag, int v, int defrate, int defmcs) 2644{ 2645 if (v == 11) 2646 LINE_CHECK("%s 5.5", tag); 2647 else if (v & 0x80) { 2648 if (v != defmcs) 2649 LINE_CHECK("%s %d", tag, v &~ 0x80); 2650 } else { 2651 if (v != defrate) 2652 LINE_CHECK("%s %d", tag, v/2); 2653 } 2654} 2655 2656static int 2657getssid(int s, int ix, void *data, size_t len, int *plen) 2658{ 2659 struct ieee80211req ireq; 2660 2661 (void) memset(&ireq, 0, sizeof(ireq)); 2662 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 2663 ireq.i_type = IEEE80211_IOC_SSID; 2664 ireq.i_val = ix; 2665 ireq.i_data = data; 2666 ireq.i_len = len; 2667 if (ioctl(s, SIOCG80211, &ireq) < 0) 2668 return -1; 2669 *plen = ireq.i_len; 2670 return 0; 2671} 2672 2673static void 2674printrssi(const char *tag, int rssi) 2675{ 2676 if (rssi & 1) 2677 LINE_CHECK("%s %u.5", tag, rssi/2); 2678 else 2679 LINE_CHECK("%s %u", tag, rssi/2); 2680} 2681 2682static void 2683ieee80211_status(int s) 2684{ 2685 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 2686 enum ieee80211_opmode opmode = get80211opmode(s); 2687 int i, num, wpa, wme, bgscan, bgscaninterval, val, len, wepmode; 2688 uint8_t data[32]; 2689 const struct ieee80211_channel *c; 2690 2691 if (getssid(s, -1, data, sizeof(data), &len) < 0) { 2692 /* If we can't get the SSID, this isn't an 802.11 device. */ 2693 return; 2694 } 2695 2696 /* 2697 * Invalidate cached state so printing status for multiple 2698 * if's doesn't reuse the first interfaces' cached state. 2699 */ 2700 gotcurchan = 0; 2701 gothtconf = 0; 2702 2703 if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0) 2704 num = 0; 2705 printf("\tssid "); 2706 if (num > 1) { 2707 for (i = 0; i < num; i++) { 2708 if (getssid(s, i, data, sizeof(data), &len) >= 0 && len > 0) { 2709 printf(" %d:", i + 1); 2710 print_string(data, len); 2711 } 2712 } 2713 } else 2714 print_string(data, len); 2715 2716 c = getcurchan(s); 2717 if (c->ic_freq != IEEE80211_CHAN_ANY) { 2718 char buf[14]; 2719 printf(" channel %d (%u Mhz%s)", c->ic_ieee, c->ic_freq, 2720 get_chaninfo(c, 1, buf, sizeof(buf))); 2721 } else if (verbose) 2722 printf(" channel UNDEF"); 2723 2724 if (get80211(s, IEEE80211_IOC_BSSID, data, IEEE80211_ADDR_LEN) >= 0 && 2725 (memcmp(data, zerobssid, sizeof(zerobssid)) != 0 || verbose)) 2726 printf(" bssid %s", ether_ntoa((struct ether_addr *)data)); 2727 2728 if (get80211len(s, IEEE80211_IOC_STATIONNAME, data, sizeof(data), &len) != -1) { 2729 printf("\n\tstationname "); 2730 print_string(data, len); 2731 } 2732 2733 spacer = ' '; /* force first break */ 2734 LINE_BREAK(); 2735 2736 wpa = 0; 2737 if (get80211val(s, IEEE80211_IOC_AUTHMODE, &val) != -1) { 2738 switch (val) { 2739 case IEEE80211_AUTH_NONE: 2740 LINE_CHECK("authmode NONE"); 2741 break; 2742 case IEEE80211_AUTH_OPEN: 2743 LINE_CHECK("authmode OPEN"); 2744 break; 2745 case IEEE80211_AUTH_SHARED: 2746 LINE_CHECK("authmode SHARED"); 2747 break; 2748 case IEEE80211_AUTH_8021X: 2749 LINE_CHECK("authmode 802.1x"); 2750 break; 2751 case IEEE80211_AUTH_WPA: 2752 if (get80211val(s, IEEE80211_IOC_WPA, &wpa) < 0) 2753 wpa = 1; /* default to WPA1 */ 2754 switch (wpa) { 2755 case 2: 2756 LINE_CHECK("authmode WPA2/802.11i"); 2757 break; 2758 case 3: 2759 LINE_CHECK("authmode WPA1+WPA2/802.11i"); 2760 break; 2761 default: 2762 LINE_CHECK("authmode WPA"); 2763 break; 2764 } 2765 break; 2766 case IEEE80211_AUTH_AUTO: 2767 LINE_CHECK("authmode AUTO"); 2768 break; 2769 default: 2770 LINE_CHECK("authmode UNKNOWN (0x%x)", val); 2771 break; 2772 } 2773 } 2774 2775 if (wpa || verbose) { 2776 if (ioctl(s, IEEE80211_IOC_COUNTERMEASURES, &val) != -1) { 2777 if (val) 2778 LINE_CHECK("countermeasures"); 2779 else if (verbose) 2780 LINE_CHECK("-countermeasures"); 2781 } 2782 } 2783 2784 if (get80211val(s, IEEE80211_IOC_WEP, &wepmode) != -1 && 2785 wepmode != IEEE80211_WEP_NOSUP) { 2786 int firstkey; 2787 2788 switch (wepmode) { 2789 case IEEE80211_WEP_OFF: 2790 LINE_CHECK("privacy OFF"); 2791 break; 2792 case IEEE80211_WEP_ON: 2793 LINE_CHECK("privacy ON"); 2794 break; 2795 case IEEE80211_WEP_MIXED: 2796 LINE_CHECK("privacy MIXED"); 2797 break; 2798 default: 2799 LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode); 2800 break; 2801 } 2802 2803 /* 2804 * If we get here then we've got WEP support so we need 2805 * to print WEP status. 2806 */ 2807 2808 if (get80211val(s, IEEE80211_IOC_WEPTXKEY, &val) < 0) { 2809 warn("WEP support, but no tx key!"); 2810 goto end; 2811 } 2812 if (val != -1) 2813 LINE_CHECK("deftxkey %d", val+1); 2814 else if (wepmode != IEEE80211_WEP_OFF || verbose) 2815 LINE_CHECK("deftxkey UNDEF"); 2816 2817 if (get80211val(s, IEEE80211_IOC_NUMWEPKEYS, &num) < 0) { 2818 warn("WEP support, but no NUMWEPKEYS support!"); 2819 goto end; 2820 } 2821 2822 firstkey = 1; 2823 for (i = 0; i < num; i++) { 2824 struct ieee80211req_key ik; 2825 2826 memset(&ik, 0, sizeof(ik)); 2827 ik.ik_keyix = i; 2828 if (get80211(s, IEEE80211_IOC_WPAKEY, &ik, sizeof(ik)) < 0) { 2829 warn("WEP support, but can get keys!"); 2830 goto end; 2831 } 2832 if (ik.ik_keylen != 0) { 2833 if (verbose) 2834 LINE_BREAK(); 2835 printkey(&ik); 2836 firstkey = 0; 2837 } 2838 } 2839end: 2840 ; 2841 } 2842 2843 if (get80211val(s, IEEE80211_IOC_POWERSAVE, &val) != -1 && 2844 val != IEEE80211_POWERSAVE_NOSUP ) { 2845 if (val != IEEE80211_POWERSAVE_OFF || verbose) { 2846 switch (val) { 2847 case IEEE80211_POWERSAVE_OFF: 2848 LINE_CHECK("powersavemode OFF"); 2849 break; 2850 case IEEE80211_POWERSAVE_CAM: 2851 LINE_CHECK("powersavemode CAM"); 2852 break; 2853 case IEEE80211_POWERSAVE_PSP: 2854 LINE_CHECK("powersavemode PSP"); 2855 break; 2856 case IEEE80211_POWERSAVE_PSP_CAM: 2857 LINE_CHECK("powersavemode PSP-CAM"); 2858 break; 2859 } 2860 if (get80211val(s, IEEE80211_IOC_POWERSAVESLEEP, &val) != -1) 2861 LINE_CHECK("powersavesleep %d", val); 2862 } 2863 } 2864 2865 if (get80211val(s, IEEE80211_IOC_TXPOWER, &val) != -1) { 2866 if (val & 1) 2867 LINE_CHECK("txpower %d.5", val/2); 2868 else 2869 LINE_CHECK("txpower %d", val/2); 2870 } 2871 if (verbose) { 2872 if (get80211val(s, IEEE80211_IOC_TXPOWMAX, &val) != -1) 2873 LINE_CHECK("txpowmax %.1f", val/2.); 2874 } 2875 2876 if (get80211val(s, IEEE80211_IOC_RTSTHRESHOLD, &val) != -1) { 2877 if (val != IEEE80211_RTS_MAX || verbose) 2878 LINE_CHECK("rtsthreshold %d", val); 2879 } 2880 2881 if (get80211val(s, IEEE80211_IOC_FRAGTHRESHOLD, &val) != -1) { 2882 if (val != IEEE80211_FRAG_MAX || verbose) 2883 LINE_CHECK("fragthreshold %d", val); 2884 } 2885 if (opmode == IEEE80211_M_STA || verbose) { 2886 if (get80211val(s, IEEE80211_IOC_BMISSTHRESHOLD, &val) != -1) { 2887 if (val != IEEE80211_HWBMISS_MAX || verbose) 2888 LINE_CHECK("bmiss %d", val); 2889 } 2890 } 2891 2892 if (get80211val(s, IEEE80211_IOC_MCAST_RATE, &val) != -1) 2893 printrate("mcastrate", val, 2*1, 0/*XXX*/); 2894 2895 bgscaninterval = -1; 2896 (void) get80211val(s, IEEE80211_IOC_BGSCAN_INTERVAL, &bgscaninterval); 2897 2898 if (get80211val(s, IEEE80211_IOC_SCANVALID, &val) != -1) { 2899 if (val != bgscaninterval || verbose) 2900 LINE_CHECK("scanvalid %u", val); 2901 } 2902 2903 bgscan = 0; 2904 if (get80211val(s, IEEE80211_IOC_BGSCAN, &bgscan) != -1) { 2905 if (bgscan) 2906 LINE_CHECK("bgscan"); 2907 else if (verbose) 2908 LINE_CHECK("-bgscan"); 2909 } 2910 if (bgscan || verbose) { 2911 if (bgscaninterval != -1) 2912 LINE_CHECK("bgscanintvl %u", bgscaninterval); 2913 if (get80211val(s, IEEE80211_IOC_BGSCAN_IDLE, &val) != -1) 2914 LINE_CHECK("bgscanidle %u", val); 2915 if (IEEE80211_IS_CHAN_A(c) || verbose) { 2916 if (get80211val(s, IEEE80211_IOC_ROAM_RSSI_11A, &val) != -1) 2917 printrssi("roam:rssi11a", val); 2918 if (get80211val(s, IEEE80211_IOC_ROAM_RATE_11A, &val) != -1) 2919 printrate("roam:rate11a", val, -1, -1); 2920 } 2921 if (IEEE80211_IS_CHAN_B(c) || verbose) { 2922 if (get80211val(s, IEEE80211_IOC_ROAM_RSSI_11B, &val) != -1) 2923 printrssi("roam:rssi11b", val); 2924 if (get80211val(s, IEEE80211_IOC_ROAM_RATE_11B, &val) != -1) 2925 printrate("roam:rate11b", val, -1, -1); 2926 } 2927 if (IEEE80211_IS_CHAN_ANYG(c) || verbose) { 2928 if (get80211val(s, IEEE80211_IOC_ROAM_RSSI_11G, &val) != -1) 2929 printrssi("roam:rssi11g", val); 2930 if (get80211val(s, IEEE80211_IOC_ROAM_RATE_11G, &val) != -1) 2931 printrate("roam:rate11g", val, -1, -1); 2932 } 2933 } 2934 2935 if (IEEE80211_IS_CHAN_ANYG(c) || verbose) { 2936 if (get80211val(s, IEEE80211_IOC_PUREG, &val) != -1) { 2937 if (val) 2938 LINE_CHECK("pureg"); 2939 else if (verbose) 2940 LINE_CHECK("-pureg"); 2941 } 2942 if (get80211val(s, IEEE80211_IOC_PROTMODE, &val) != -1) { 2943 switch (val) { 2944 case IEEE80211_PROTMODE_OFF: 2945 LINE_CHECK("protmode OFF"); 2946 break; 2947 case IEEE80211_PROTMODE_CTS: 2948 LINE_CHECK("protmode CTS"); 2949 break; 2950 case IEEE80211_PROTMODE_RTSCTS: 2951 LINE_CHECK("protmode RTSCTS"); 2952 break; 2953 default: 2954 LINE_CHECK("protmode UNKNOWN (0x%x)", val); 2955 break; 2956 } 2957 } 2958 } 2959 2960 if (IEEE80211_IS_CHAN_HT(c) || verbose) { 2961 gethtconf(s); 2962 switch (htconf & 3) { 2963 case 0: 2964 case 2: 2965 LINE_CHECK("-ht"); 2966 break; 2967 case 1: 2968 LINE_CHECK("ht20"); 2969 break; 2970 case 3: 2971 if (verbose) 2972 LINE_CHECK("ht"); 2973 break; 2974 } 2975 if (get80211val(s, IEEE80211_IOC_HTCOMPAT, &val) != -1) { 2976 if (!val) 2977 LINE_CHECK("-htcompat"); 2978 else if (verbose) 2979 LINE_CHECK("htcompat"); 2980 } 2981 if (get80211val(s, IEEE80211_IOC_AMPDU, &val) != -1) { 2982 switch (val) { 2983 case 0: 2984 LINE_CHECK("-ampdu"); 2985 break; 2986 case 1: 2987 LINE_CHECK("ampdutx -ampdurx"); 2988 break; 2989 case 2: 2990 LINE_CHECK("-ampdutx ampdurx"); 2991 break; 2992 case 3: 2993 if (verbose) 2994 LINE_CHECK("ampdu"); 2995 break; 2996 } 2997 } 2998 if (get80211val(s, IEEE80211_IOC_AMPDU_LIMIT, &val) != -1) { 2999 switch (val) { 3000 case IEEE80211_HTCAP_MAXRXAMPDU_8K: 3001 LINE_CHECK("ampdulimit 8k"); 3002 break; 3003 case IEEE80211_HTCAP_MAXRXAMPDU_16K: 3004 LINE_CHECK("ampdulimit 16k"); 3005 break; 3006 case IEEE80211_HTCAP_MAXRXAMPDU_32K: 3007 LINE_CHECK("ampdulimit 32k"); 3008 break; 3009 case IEEE80211_HTCAP_MAXRXAMPDU_64K: 3010 LINE_CHECK("ampdulimit 64k"); 3011 break; 3012 } 3013 } 3014 if (get80211val(s, IEEE80211_IOC_AMPDU_DENSITY, &val) != -1) { 3015 switch (val) { 3016 case IEEE80211_HTCAP_MPDUDENSITY_NA: 3017 if (verbose) 3018 LINE_CHECK("ampdudensity -"); 3019 break; 3020 case IEEE80211_HTCAP_MPDUDENSITY_025: 3021 LINE_CHECK("ampdudensity .25"); 3022 break; 3023 case IEEE80211_HTCAP_MPDUDENSITY_05: 3024 LINE_CHECK("ampdudensity .5"); 3025 break; 3026 case IEEE80211_HTCAP_MPDUDENSITY_1: 3027 LINE_CHECK("ampdudensity 1"); 3028 break; 3029 case IEEE80211_HTCAP_MPDUDENSITY_2: 3030 LINE_CHECK("ampdudensity 2"); 3031 break; 3032 case IEEE80211_HTCAP_MPDUDENSITY_4: 3033 LINE_CHECK("ampdudensity 4"); 3034 break; 3035 case IEEE80211_HTCAP_MPDUDENSITY_8: 3036 LINE_CHECK("ampdudensity 8"); 3037 break; 3038 case IEEE80211_HTCAP_MPDUDENSITY_16: 3039 LINE_CHECK("ampdudensity 16"); 3040 break; 3041 } 3042 } 3043 if (get80211val(s, IEEE80211_IOC_AMSDU, &val) != -1) { 3044 switch (val) { 3045 case 0: 3046 LINE_CHECK("-amsdu"); 3047 break; 3048 case 1: 3049 LINE_CHECK("amsdutx -amsdurx"); 3050 break; 3051 case 2: 3052 LINE_CHECK("-amsdutx amsdurx"); 3053 break; 3054 case 3: 3055 if (verbose) 3056 LINE_CHECK("amsdu"); 3057 break; 3058 } 3059 } 3060 /* XXX amsdu limit */ 3061 /* XXX 20/40 */ 3062 if (get80211val(s, IEEE80211_IOC_SHORTGI, &val) != -1) { 3063 if (val) 3064 LINE_CHECK("shortgi"); 3065 else if (verbose) 3066 LINE_CHECK("-shortgi"); 3067 } 3068 if (get80211val(s, IEEE80211_IOC_HTPROTMODE, &val) != -1) { 3069 if (val == IEEE80211_PROTMODE_OFF) 3070 LINE_CHECK("htprotmode OFF"); 3071 else if (val != IEEE80211_PROTMODE_RTSCTS) 3072 LINE_CHECK("htprotmode UNKNOWN (0x%x)", val); 3073 else if (verbose) 3074 LINE_CHECK("htprotmode RTSCTS"); 3075 } 3076 if (get80211val(s, IEEE80211_IOC_PUREN, &val) != -1) { 3077 if (val) 3078 LINE_CHECK("puren"); 3079 else if (verbose) 3080 LINE_CHECK("-puren"); 3081 } 3082 } 3083 3084 if (get80211val(s, IEEE80211_IOC_WME, &wme) != -1) { 3085 if (wme) 3086 LINE_CHECK("wme"); 3087 else if (verbose) 3088 LINE_CHECK("-wme"); 3089 } else 3090 wme = 0; 3091 3092 if (get80211val(s, IEEE80211_IOC_BURST, &val) != -1) { 3093 if (val) 3094 LINE_CHECK("burst"); 3095 else if (verbose) 3096 LINE_CHECK("-burst"); 3097 } 3098 3099 if (get80211val(s, IEEE80211_IOC_FF, &val) != -1) { 3100 if (val) 3101 LINE_CHECK("ff"); 3102 else if (verbose) 3103 LINE_CHECK("-ff"); 3104 } 3105 if (get80211val(s, IEEE80211_IOC_TURBOP, &val) != -1) { 3106 if (val) 3107 LINE_CHECK("dturbo"); 3108 else if (verbose) 3109 LINE_CHECK("-dturbo"); 3110 } 3111 3112 if (opmode == IEEE80211_M_HOSTAP) { 3113 if (get80211val(s, IEEE80211_IOC_HIDESSID, &val) != -1) { 3114 if (val) 3115 LINE_CHECK("hidessid"); 3116 else if (verbose) 3117 LINE_CHECK("-hidessid"); 3118 } 3119 if (get80211val(s, IEEE80211_IOC_APBRIDGE, &val) != -1) { 3120 if (!val) 3121 LINE_CHECK("-apbridge"); 3122 else if (verbose) 3123 LINE_CHECK("apbridge"); 3124 } 3125 if (get80211val(s, IEEE80211_IOC_DTIM_PERIOD, &val) != -1) 3126 LINE_CHECK("dtimperiod %u", val); 3127 3128 if (get80211val(s, IEEE80211_IOC_DOTH, &val) != -1) { 3129 if (!val) 3130 LINE_CHECK("-doth"); 3131 else if (verbose) 3132 LINE_CHECK("doth"); 3133 } 3134 if (get80211val(s, IEEE80211_IOC_INACTIVITY, &val) != -1) { 3135 if (!val) 3136 LINE_CHECK("-inact"); 3137 else if (verbose) 3138 LINE_CHECK("inact"); 3139 } 3140 } else { 3141 if (get80211val(s, IEEE80211_IOC_ROAMING, &val) != -1) { 3142 if (val != IEEE80211_ROAMING_AUTO || verbose) { 3143 switch (val) { 3144 case IEEE80211_ROAMING_DEVICE: 3145 LINE_CHECK("roaming DEVICE"); 3146 break; 3147 case IEEE80211_ROAMING_AUTO: 3148 LINE_CHECK("roaming AUTO"); 3149 break; 3150 case IEEE80211_ROAMING_MANUAL: 3151 LINE_CHECK("roaming MANUAL"); 3152 break; 3153 default: 3154 LINE_CHECK("roaming UNKNOWN (0x%x)", 3155 val); 3156 break; 3157 } 3158 } 3159 } 3160 } 3161 if (get80211val(s, IEEE80211_IOC_BEACON_INTERVAL, &val) != -1) { 3162 /* XXX default define not visible */ 3163 if (val != 100 || verbose) 3164 LINE_CHECK("bintval %u", val); 3165 } 3166 3167 if (wme && verbose) { 3168 LINE_BREAK(); 3169 list_wme(s); 3170 } 3171 LINE_BREAK(); 3172} 3173 3174static int 3175get80211(int s, int type, void *data, int len) 3176{ 3177 struct ieee80211req ireq; 3178 3179 (void) memset(&ireq, 0, sizeof(ireq)); 3180 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3181 ireq.i_type = type; 3182 ireq.i_data = data; 3183 ireq.i_len = len; 3184 return ioctl(s, SIOCG80211, &ireq); 3185} 3186 3187static int 3188get80211len(int s, int type, void *data, int len, int *plen) 3189{ 3190 struct ieee80211req ireq; 3191 3192 (void) memset(&ireq, 0, sizeof(ireq)); 3193 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3194 ireq.i_type = type; 3195 ireq.i_len = len; 3196 ireq.i_data = data; 3197 if (ioctl(s, SIOCG80211, &ireq) < 0) 3198 return -1; 3199 *plen = ireq.i_len; 3200 return 0; 3201} 3202 3203static int 3204get80211val(int s, int type, int *val) 3205{ 3206 struct ieee80211req ireq; 3207 3208 (void) memset(&ireq, 0, sizeof(ireq)); 3209 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3210 ireq.i_type = type; 3211 if (ioctl(s, SIOCG80211, &ireq) < 0) 3212 return -1; 3213 *val = ireq.i_val; 3214 return 0; 3215} 3216 3217static void 3218set80211(int s, int type, int val, int len, void *data) 3219{ 3220 struct ieee80211req ireq; 3221 3222 (void) memset(&ireq, 0, sizeof(ireq)); 3223 (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); 3224 ireq.i_type = type; 3225 ireq.i_val = val; 3226 ireq.i_len = len; 3227 ireq.i_data = data; 3228 if (ioctl(s, SIOCS80211, &ireq) < 0) 3229 err(1, "SIOCS80211"); 3230} 3231 3232static const char * 3233get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 3234{ 3235 int len; 3236 int hexstr; 3237 u_int8_t *p; 3238 3239 len = *lenp; 3240 p = buf; 3241 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 3242 if (hexstr) 3243 val += 2; 3244 for (;;) { 3245 if (*val == '\0') 3246 break; 3247 if (sep != NULL && strchr(sep, *val) != NULL) { 3248 val++; 3249 break; 3250 } 3251 if (hexstr) { 3252 if (!isxdigit((u_char)val[0])) { 3253 warnx("bad hexadecimal digits"); 3254 return NULL; 3255 } 3256 if (!isxdigit((u_char)val[1])) { 3257 warnx("odd count hexadecimal digits"); 3258 return NULL; 3259 } 3260 } 3261 if (p >= buf + len) { 3262 if (hexstr) 3263 warnx("hexadecimal digits too long"); 3264 else 3265 warnx("string too long"); 3266 return NULL; 3267 } 3268 if (hexstr) { 3269#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 3270 *p++ = (tohex((u_char)val[0]) << 4) | 3271 tohex((u_char)val[1]); 3272#undef tohex 3273 val += 2; 3274 } else 3275 *p++ = *val++; 3276 } 3277 len = p - buf; 3278 /* The string "-" is treated as the empty string. */ 3279 if (!hexstr && len == 1 && buf[0] == '-') { 3280 len = 0; 3281 memset(buf, 0, *lenp); 3282 } else if (len < *lenp) 3283 memset(p, 0, *lenp - len); 3284 *lenp = len; 3285 return val; 3286} 3287 3288static void 3289print_string(const u_int8_t *buf, int len) 3290{ 3291 int i; 3292 int hasspc; 3293 3294 i = 0; 3295 hasspc = 0; 3296 for (; i < len; i++) { 3297 if (!isprint(buf[i]) && buf[i] != '\0') 3298 break; 3299 if (isspace(buf[i])) 3300 hasspc++; 3301 } 3302 if (i == len) { 3303 if (hasspc || len == 0 || buf[0] == '\0') 3304 printf("\"%.*s\"", len, buf); 3305 else 3306 printf("%.*s", len, buf); 3307 } else { 3308 printf("0x"); 3309 for (i = 0; i < len; i++) 3310 printf("%02x", buf[i]); 3311 } 3312} 3313 3314static struct cmd ieee80211_cmds[] = { 3315 DEF_CMD_ARG("ssid", set80211ssid), 3316 DEF_CMD_ARG("nwid", set80211ssid), 3317 DEF_CMD_ARG("stationname", set80211stationname), 3318 DEF_CMD_ARG("station", set80211stationname), /* BSD/OS */ 3319 DEF_CMD_ARG("channel", set80211channel), 3320 DEF_CMD_ARG("authmode", set80211authmode), 3321 DEF_CMD_ARG("powersavemode", set80211powersavemode), 3322 DEF_CMD("powersave", 1, set80211powersave), 3323 DEF_CMD("-powersave", 0, set80211powersave), 3324 DEF_CMD_ARG("powersavesleep", set80211powersavesleep), 3325 DEF_CMD_ARG("wepmode", set80211wepmode), 3326 DEF_CMD("wep", 1, set80211wep), 3327 DEF_CMD("-wep", 0, set80211wep), 3328 DEF_CMD_ARG("deftxkey", set80211weptxkey), 3329 DEF_CMD_ARG("weptxkey", set80211weptxkey), 3330 DEF_CMD_ARG("wepkey", set80211wepkey), 3331 DEF_CMD_ARG("nwkey", set80211nwkey), /* NetBSD */ 3332 DEF_CMD("-nwkey", 0, set80211wep), /* NetBSD */ 3333 DEF_CMD_ARG("rtsthreshold", set80211rtsthreshold), 3334 DEF_CMD_ARG("protmode", set80211protmode), 3335 DEF_CMD_ARG("txpower", set80211txpower), 3336 DEF_CMD_ARG("roaming", set80211roaming), 3337 DEF_CMD("wme", 1, set80211wme), 3338 DEF_CMD("-wme", 0, set80211wme), 3339 DEF_CMD("hidessid", 1, set80211hidessid), 3340 DEF_CMD("-hidessid", 0, set80211hidessid), 3341 DEF_CMD("apbridge", 1, set80211apbridge), 3342 DEF_CMD("-apbridge", 0, set80211apbridge), 3343 DEF_CMD_ARG("chanlist", set80211chanlist), 3344 DEF_CMD_ARG("bssid", set80211bssid), 3345 DEF_CMD_ARG("ap", set80211bssid), 3346 DEF_CMD("scan", 0, set80211scan), 3347 DEF_CMD_ARG("list", set80211list), 3348 DEF_CMD_ARG2("cwmin", set80211cwmin), 3349 DEF_CMD_ARG2("cwmax", set80211cwmax), 3350 DEF_CMD_ARG2("aifs", set80211aifs), 3351 DEF_CMD_ARG2("txoplimit", set80211txoplimit), 3352 DEF_CMD_ARG("acm", set80211acm), 3353 DEF_CMD_ARG("-acm", set80211noacm), 3354 DEF_CMD_ARG("ack", set80211ackpolicy), 3355 DEF_CMD_ARG("-ack", set80211noackpolicy), 3356 DEF_CMD_ARG2("bss:cwmin", set80211bsscwmin), 3357 DEF_CMD_ARG2("bss:cwmax", set80211bsscwmax), 3358 DEF_CMD_ARG2("bss:aifs", set80211bssaifs), 3359 DEF_CMD_ARG2("bss:txoplimit", set80211bsstxoplimit), 3360 DEF_CMD_ARG("dtimperiod", set80211dtimperiod), 3361 DEF_CMD_ARG("bintval", set80211bintval), 3362 DEF_CMD("mac:open", IEEE80211_MACCMD_POLICY_OPEN, set80211maccmd), 3363 DEF_CMD("mac:allow", IEEE80211_MACCMD_POLICY_ALLOW, set80211maccmd), 3364 DEF_CMD("mac:deny", IEEE80211_MACCMD_POLICY_DENY, set80211maccmd), 3365 DEF_CMD("mac:flush", IEEE80211_MACCMD_FLUSH, set80211maccmd), 3366 DEF_CMD("mac:detach", IEEE80211_MACCMD_DETACH, set80211maccmd), 3367 DEF_CMD_ARG("mac:add", set80211addmac), 3368 DEF_CMD_ARG("mac:del", set80211delmac), 3369 DEF_CMD_ARG("mac:kick", set80211kickmac), 3370 DEF_CMD("pureg", 1, set80211pureg), 3371 DEF_CMD("-pureg", 0, set80211pureg), 3372 DEF_CMD("ff", 1, set80211fastframes), 3373 DEF_CMD("-ff", 0, set80211fastframes), 3374 DEF_CMD("dturbo", 1, set80211dturbo), 3375 DEF_CMD("-dturbo", 0, set80211dturbo), 3376 DEF_CMD("bgscan", 1, set80211bgscan), 3377 DEF_CMD("-bgscan", 0, set80211bgscan), 3378 DEF_CMD_ARG("bgscanidle", set80211bgscanidle), 3379 DEF_CMD_ARG("bgscanintvl", set80211bgscanintvl), 3380 DEF_CMD_ARG("scanvalid", set80211scanvalid), 3381 DEF_CMD_ARG("roam:rssi11a", set80211roamrssi11a), 3382 DEF_CMD_ARG("roam:rssi11b", set80211roamrssi11b), 3383 DEF_CMD_ARG("roam:rssi11g", set80211roamrssi11g), 3384 DEF_CMD_ARG("roam:rate11a", set80211roamrate11a), 3385 DEF_CMD_ARG("roam:rate11b", set80211roamrate11b), 3386 DEF_CMD_ARG("roam:rate11g", set80211roamrate11g), 3387 DEF_CMD_ARG("mcastrate", set80211mcastrate), 3388 DEF_CMD_ARG("fragthreshold", set80211fragthreshold), 3389 DEF_CMD("burst", 1, set80211burst), 3390 DEF_CMD("-burst", 0, set80211burst), 3391 DEF_CMD_ARG("bmiss", set80211bmissthreshold), 3392 DEF_CMD_ARG("bmissthreshold", set80211bmissthreshold), 3393 DEF_CMD("shortgi", 1, set80211shortgi), 3394 DEF_CMD("-shortgi", 0, set80211shortgi), 3395 DEF_CMD("ampdurx", 2, set80211ampdu), 3396 DEF_CMD("-ampdurx", -2, set80211ampdu), 3397 DEF_CMD("ampdutx", 1, set80211ampdu), 3398 DEF_CMD("-ampdutx", -1, set80211ampdu), 3399 DEF_CMD("ampdu", 3, set80211ampdu), /* NB: tx+rx */ 3400 DEF_CMD("-ampdu", -3, set80211ampdu), 3401 DEF_CMD_ARG("ampdulimit", set80211ampdulimit), 3402 DEF_CMD_ARG("ampdudensity", set80211ampdudensity), 3403 DEF_CMD("amsdurx", 2, set80211amsdu), 3404 DEF_CMD("-amsdurx", -2, set80211amsdu), 3405 DEF_CMD("amsdutx", 1, set80211amsdu), 3406 DEF_CMD("-amsdutx", -1, set80211amsdu), 3407 DEF_CMD("amsdu", 3, set80211amsdu), /* NB: tx+rx */ 3408 DEF_CMD("-amsdu", -3, set80211amsdu), 3409 DEF_CMD_ARG("amsdulimit", set80211amsdulimit), 3410 DEF_CMD("puren", 1, set80211puren), 3411 DEF_CMD("-puren", 0, set80211puren), 3412 DEF_CMD("doth", 1, set80211doth), 3413 DEF_CMD("-doth", 0, set80211doth), 3414 DEF_CMD("htcompat", 1, set80211htcompat), 3415 DEF_CMD("-htcompat", 0, set80211htcompat), 3416 DEF_CMD("inact", 1, set80211inact), 3417 DEF_CMD("-inact", 0, set80211inact), 3418 DEF_CMD_ARG("htprotmode", set80211htprotmode), 3419 DEF_CMD("ht20", 1, set80211htconf), 3420 DEF_CMD("-ht20", 0, set80211htconf), 3421 DEF_CMD("ht40", 3, set80211htconf), /* NB: 20+40 */ 3422 DEF_CMD("-ht40", 0, set80211htconf), 3423 DEF_CMD("ht", 3, set80211htconf), /* NB: 20+40 */ 3424 DEF_CMD("-ht", 0, set80211htconf), 3425}; 3426static struct afswtch af_ieee80211 = { 3427 .af_name = "af_ieee80211", 3428 .af_af = AF_UNSPEC, 3429 .af_other_status = ieee80211_status, 3430}; 3431 3432static __constructor void 3433ieee80211_ctor(void) 3434{ 3435#define N(a) (sizeof(a) / sizeof(a[0])) 3436 int i; 3437 3438 for (i = 0; i < N(ieee80211_cmds); i++) 3439 cmd_register(&ieee80211_cmds[i]); 3440 af_register(&af_ieee80211); 3441#undef N 3442} 3443