sbin/ifconfig/ifieee80211.c

   1 /*
   2  * Copyright 2001 The Aerospace Corporation.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  * 3. The name of The Aerospace Corporation may not be used to endorse or
  13  *    promote products derived from this software.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD$
  28  */
  29
  30 /*-
  31  * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
  32  * All rights reserved.
  33  *
  34  * This code is derived from software contributed to The NetBSD Foundation
  35  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
  36  * NASA Ames Research Center.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  * 1. Redistributions of source code must retain the above copyright
  42  *    notice, this list of conditions and the following disclaimer.
  43  * 2. Redistributions in binary form must reproduce the above copyright
  44  *    notice, this list of conditions and the following disclaimer in the
  45  *    documentation and/or other materials provided with the distribution.
  46  * 3. All advertising materials mentioning features or use of this software
  47  *    must display the following acknowledgement:
  48  *      This product includes software developed by the NetBSD
  49  *      Foundation, Inc. and its contributors.
  50  * 4. Neither the name of The NetBSD Foundation nor the names of its
  51  *    contributors may be used to endorse or promote products derived
  52  *    from this software without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  55  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  56  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  57  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  58  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  59  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  60  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  61  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  62  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  63  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  64  * POSSIBILITY OF SUCH DAMAGE.
  65  */
  66
  67 #include <sys/param.h>
  68 #include <sys/ioctl.h>
  69 #include <sys/socket.h>
  70 #include <sys/sysctl.h>
  71 #include <sys/time.h>
  72
  73 #include <net/ethernet.h>
  74 #include <net/if.h>
  75 #include <net/if_dl.h>
  76 #include <net/if_types.h>
  77 #include <net/if_media.h>
  78 #include <net/route.h>
  79
  80 #include <net80211/ieee80211.h>
  81 #include <net80211/ieee80211_crypto.h>
  82 #include <net80211/ieee80211_ioctl.h>
  83
  84 #include <ctype.h>
  85 #include <err.h>
  86 #include <errno.h>
  87 #include <fcntl.h>
  88 #include <inttypes.h>
  89 #include <stdio.h>
  90 #include <stdlib.h>
  91 #include <string.h>
  92 #include <unistd.h>
  93 #include <stdarg.h>
  94
  95 #include "ifconfig.h"
  96
  97 static void set80211(int s, int type, int val, int len, u_int8_t *data);
  98 static const char *get_string(const char *val, const char *sep,
  99     u_int8_t *buf, int *lenp);
 100 static void print_string(const u_int8_t *buf, int len);
 101
 102 static int
 103 isanyarg(const char *arg)
 104 {
 105         return (strcmp(arg, "-") == 0 ||
 106             strcasecmp(arg, "any") == 0 || strcasecmp(arg, "off") == 0);
 107 }
 108
 109 static void
 110 set80211ssid(const char *val, int d, int s, const struct afswtch *rafp)
 111 {
 112         int             ssid;
 113         int             len;
 114         u_int8_t        data[IEEE80211_NWID_LEN];
 115
 116         ssid = 0;
 117         len = strlen(val);
 118         if (len > 2 && isdigit(val[0]) && val[1] == ':') {
 119                 ssid = atoi(val)-1;
 120                 val += 2;
 121         }
 122
 123         bzero(data, sizeof(data));
 124         len = sizeof(data);
 125         if (get_string(val, NULL, data, &len) == NULL)
 126                 exit(1);
 127
 128         set80211(s, IEEE80211_IOC_SSID, ssid, len, data);
 129 }
 130
 131 static void
 132 set80211stationname(const char *val, int d, int s, const struct afswtch *rafp)
 133 {
 134         int                     len;
 135         u_int8_t                data[33];
 136
 137         bzero(data, sizeof(data));
 138         len = sizeof(data);
 139         get_string(val, NULL, data, &len);
 140
 141         set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data);
 142 }
 143
 144 /*
 145  * Convert IEEE channel number to MHz frequency.
 146  */
 147 static u_int
 148 ieee80211_ieee2mhz(u_int chan)
 149 {
 150         if (chan == 14)
 151                 return 2484;
 152         if (chan < 14)                  /* 0-13 */
 153                 return 2407 + chan*5;
 154         if (chan < 27)                  /* 15-26 */
 155                 return 2512 + ((chan-15)*20);
 156         return 5000 + (chan*5);
 157 }
 158
 159 /*
 160  * Convert MHz frequency to IEEE channel number.
 161  */
 162 static u_int
 163 ieee80211_mhz2ieee(u_int freq)
 164 {
 165         if (freq == 2484)
 166                 return 14;
 167         if (freq < 2484)
 168                 return (freq - 2407) / 5;
 169         if (freq < 5000)
 170                 return 15 + ((freq - 2512) / 20);
 171         return (freq - 5000) / 5;
 172 }
 173
 174 static void
 175 set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
 176 {
 177         if (!isanyarg(val)) {
 178                 int v = atoi(val);
 179                 if (v > 255)            /* treat as frequency */
 180                         v = ieee80211_mhz2ieee(v);
 181                 set80211(s, IEEE80211_IOC_CHANNEL, v, 0, NULL);
 182         } else
 183                 set80211(s, IEEE80211_IOC_CHANNEL, IEEE80211_CHAN_ANY, 0, NULL);
 184 }
 185
 186 static void
 187 set80211authmode(const char *val, int d, int s, const struct afswtch *rafp)
 188 {
 189         int     mode;
 190
 191         if (strcasecmp(val, "none") == 0) {
 192                 mode = IEEE80211_AUTH_NONE;
 193         } else if (strcasecmp(val, "open") == 0) {
 194                 mode = IEEE80211_AUTH_OPEN;
 195         } else if (strcasecmp(val, "shared") == 0) {
 196                 mode = IEEE80211_AUTH_SHARED;
 197         } else if (strcasecmp(val, "8021x") == 0) {
 198                 mode = IEEE80211_AUTH_8021X;
 199         } else if (strcasecmp(val, "wpa") == 0) {
 200                 mode = IEEE80211_AUTH_WPA;
 201         } else {
 202                 errx(1, "unknown authmode");
 203         }
 204
 205         set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL);
 206 }
 207
 208 static void
 209 set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp)
 210 {
 211         int     mode;
 212
 213         if (strcasecmp(val, "off") == 0) {
 214                 mode = IEEE80211_POWERSAVE_OFF;
 215         } else if (strcasecmp(val, "on") == 0) {
 216                 mode = IEEE80211_POWERSAVE_ON;
 217         } else if (strcasecmp(val, "cam") == 0) {
 218                 mode = IEEE80211_POWERSAVE_CAM;
 219         } else if (strcasecmp(val, "psp") == 0) {
 220                 mode = IEEE80211_POWERSAVE_PSP;
 221         } else if (strcasecmp(val, "psp-cam") == 0) {
 222                 mode = IEEE80211_POWERSAVE_PSP_CAM;
 223         } else {
 224                 errx(1, "unknown powersavemode");
 225         }
 226
 227         set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL);
 228 }
 229
 230 static void
 231 set80211powersave(const char *val, int d, int s, const struct afswtch *rafp)
 232 {
 233         if (d == 0)
 234                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF,
 235                     0, NULL);
 236         else
 237                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON,
 238                     0, NULL);
 239 }
 240
 241 static void
 242 set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp)
 243 {
 244         set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL);
 245 }
 246
 247 static void
 248 set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp)
 249 {
 250         int     mode;
 251
 252         if (strcasecmp(val, "off") == 0) {
 253                 mode = IEEE80211_WEP_OFF;
 254         } else if (strcasecmp(val, "on") == 0) {
 255                 mode = IEEE80211_WEP_ON;
 256         } else if (strcasecmp(val, "mixed") == 0) {
 257                 mode = IEEE80211_WEP_MIXED;
 258         } else {
 259                 errx(1, "unknown wep mode");
 260         }
 261
 262         set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL);
 263 }
 264
 265 static void
 266 set80211wep(const char *val, int d, int s, const struct afswtch *rafp)
 267 {
 268         set80211(s, IEEE80211_IOC_WEP, d, 0, NULL);
 269 }
 270
 271 static int
 272 isundefarg(const char *arg)
 273 {
 274         return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0);
 275 }
 276
 277 static void
 278 set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp)
 279 {
 280         if (isundefarg(val))
 281                 set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL);
 282         else
 283                 set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL);
 284 }
 285
 286 static void
 287 set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp)
 288 {
 289         int             key = 0;
 290         int             len;
 291         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
 292
 293         if (isdigit(val[0]) && val[1] == ':') {
 294                 key = atoi(val)-1;
 295                 val += 2;
 296         }
 297
 298         bzero(data, sizeof(data));
 299         len = sizeof(data);
 300         get_string(val, NULL, data, &len);
 301
 302         set80211(s, IEEE80211_IOC_WEPKEY, key, len, data);
 303 }
 304
 305 /*
 306  * This function is purely a NetBSD compatability interface.  The NetBSD
 307  * interface is too inflexible, but it's there so we'll support it since
 308  * it's not all that hard.
 309  */
 310 static void
 311 set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp)
 312 {
 313         int             txkey;
 314         int             i, len;
 315         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
 316
 317         set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
 318
 319         if (isdigit(val[0]) && val[1] == ':') {
 320                 txkey = val[0]-'0'-1;
 321                 val += 2;
 322
 323                 for (i = 0; i < 4; i++) {
 324                         bzero(data, sizeof(data));
 325                         len = sizeof(data);
 326                         val = get_string(val, ",", data, &len);
 327                         if (val == NULL)
 328                                 exit(1);
 329
 330                         set80211(s, IEEE80211_IOC_WEPKEY, i, len, data);
 331                 }
 332         } else {
 333                 bzero(data, sizeof(data));
 334                 len = sizeof(data);
 335                 get_string(val, NULL, data, &len);
 336                 txkey = 0;
 337
 338                 set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data);
 339
 340                 bzero(data, sizeof(data));
 341                 for (i = 1; i < 4; i++)
 342                         set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data);
 343         }
 344
 345         set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL);
 346 }
 347
 348 static void
 349 set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp)
 350 {
 351         set80211(s, IEEE80211_IOC_RTSTHRESHOLD,
 352                 isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL);
 353 }
 354
 355 static void
 356 set80211protmode(const char *val, int d, int s, const struct afswtch *rafp)
 357 {
 358         int     mode;
 359
 360         if (strcasecmp(val, "off") == 0) {
 361                 mode = IEEE80211_PROTMODE_OFF;
 362         } else if (strcasecmp(val, "cts") == 0) {
 363                 mode = IEEE80211_PROTMODE_CTS;
 364         } else if (strcasecmp(val, "rtscts") == 0) {
 365                 mode = IEEE80211_PROTMODE_RTSCTS;
 366         } else {
 367                 errx(1, "unknown protection mode");
 368         }
 369
 370         set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL);
 371 }
 372
 373 static void
 374 set80211txpower(const char *val, int d, int s, const struct afswtch *rafp)
 375 {
 376         set80211(s, IEEE80211_IOC_TXPOWER, atoi(val), 0, NULL);
 377 }
 378
 379 #define IEEE80211_ROAMING_DEVICE        0
 380 #define IEEE80211_ROAMING_AUTO          1
 381 #define IEEE80211_ROAMING_MANUAL        2
 382
 383 static void
 384 set80211roaming(const char *val, int d, int s, const struct afswtch *rafp)
 385 {
 386         int mode;
 387
 388         if (strcasecmp(val, "device") == 0) {
 389                 mode = IEEE80211_ROAMING_DEVICE;
 390         } else if (strcasecmp(val, "auto") == 0) {
 391                 mode = IEEE80211_ROAMING_AUTO;
 392         } else if (strcasecmp(val, "manual") == 0) {
 393                 mode = IEEE80211_ROAMING_MANUAL;
 394         } else {
 395                 errx(1, "unknown roaming mode");
 396         }
 397         set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL);
 398 }
 399
 400 static void
 401 set80211wme(const char *val, int d, int s, const struct afswtch *rafp)
 402 {
 403         set80211(s, IEEE80211_IOC_WME, d, 0, NULL);
 404 }
 405
 406 static void
 407 set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp)
 408 {
 409         set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL);
 410 }
 411
 412 static void
 413 set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp)
 414 {
 415         set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL);
 416 }
 417
 418 static void
 419 set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp)
 420 {
 421         struct ieee80211req_chanlist chanlist;
 422 #define MAXCHAN (sizeof(chanlist.ic_channels)*NBBY)
 423         char *temp, *cp, *tp;
 424
 425         temp = malloc(strlen(val) + 1);
 426         if (temp == NULL)
 427                 errx(1, "malloc failed");
 428         strcpy(temp, val);
 429         memset(&chanlist, 0, sizeof(chanlist));
 430         cp = temp;
 431         for (;;) {
 432                 int first, last, f;
 433
 434                 tp = strchr(cp, ',');
 435                 if (tp != NULL)
 436                         *tp++ = '\0';
 437                 switch (sscanf(cp, "%u-%u", &first, &last)) {
 438                 case 1:
 439                         if (first > MAXCHAN)
 440                                 errx(-1, "channel %u out of range, max %zu",
 441                                         first, MAXCHAN);
 442                         setbit(chanlist.ic_channels, first);
 443                         break;
 444                 case 2:
 445                         if (first > MAXCHAN)
 446                                 errx(-1, "channel %u out of range, max %zu",
 447                                         first, MAXCHAN);
 448                         if (last > MAXCHAN)
 449                                 errx(-1, "channel %u out of range, max %zu",
 450                                         last, MAXCHAN);
 451                         if (first > last)
 452                                 errx(-1, "void channel range, %u > %u",
 453                                         first, last);
 454                         for (f = first; f <= last; f++)
 455                                 setbit(chanlist.ic_channels, f);
 456                         break;
 457                 }
 458                 if (tp == NULL)
 459                         break;
 460                 while (isspace(*tp))
 461                         tp++;
 462                 if (!isdigit(*tp))
 463                         break;
 464                 cp = tp;
 465         }
 466         set80211(s, IEEE80211_IOC_CHANLIST, 0,
 467                 sizeof(chanlist), (uint8_t *) &chanlist);
 468 #undef MAXCHAN
 469 }
 470
 471 static void
 472 set80211bssid(const char *val, int d, int s, const struct afswtch *rafp)
 473 {
 474
 475         if (!isanyarg(val)) {
 476                 char *temp;
 477                 struct sockaddr_dl sdl;
 478
 479                 temp = malloc(strlen(val) + 2); /* ':' and '\0' */
 480                 if (temp == NULL)
 481                         errx(1, "malloc failed");
 482                 temp[0] = ':';
 483                 strcpy(temp + 1, val);
 484                 sdl.sdl_len = sizeof(sdl);
 485                 link_addr(temp, &sdl);
 486                 free(temp);
 487                 if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
 488                         errx(1, "malformed link-level address");
 489                 set80211(s, IEEE80211_IOC_BSSID, 0,
 490                         IEEE80211_ADDR_LEN, LLADDR(&sdl));
 491         } else {
 492                 uint8_t zerobssid[IEEE80211_ADDR_LEN];
 493                 memset(zerobssid, 0, sizeof(zerobssid));
 494                 set80211(s, IEEE80211_IOC_BSSID, 0,
 495                         IEEE80211_ADDR_LEN, zerobssid);
 496         }
 497 }
 498
 499 static int
 500 getac(const char *ac)
 501 {
 502         if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0)
 503                 return WME_AC_BE;
 504         if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0)
 505                 return WME_AC_BK;
 506         if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0)
 507                 return WME_AC_VI;
 508         if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0)
 509                 return WME_AC_VO;
 510         errx(1, "unknown wme access class %s", ac);
 511 }
 512
 513 static
 514 DECL_CMD_FUNC2(set80211cwmin, ac, val)
 515 {
 516         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL);
 517 }
 518
 519 static
 520 DECL_CMD_FUNC2(set80211cwmax, ac, val)
 521 {
 522         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL);
 523 }
 524
 525 static
 526 DECL_CMD_FUNC2(set80211aifs, ac, val)
 527 {
 528         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL);
 529 }
 530
 531 static
 532 DECL_CMD_FUNC2(set80211txoplimit, ac, val)
 533 {
 534         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL);
 535 }
 536
 537 static
 538 DECL_CMD_FUNC(set80211acm, ac, d)
 539 {
 540         set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL);
 541 }
 542 static
 543 DECL_CMD_FUNC(set80211noacm, ac, d)
 544 {
 545         set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL);
 546 }
 547
 548 static
 549 DECL_CMD_FUNC(set80211ackpolicy, ac, d)
 550 {
 551         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL);
 552 }
 553 static
 554 DECL_CMD_FUNC(set80211noackpolicy, ac, d)
 555 {
 556         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL);
 557 }
 558
 559 static
 560 DECL_CMD_FUNC2(set80211bsscwmin, ac, val)
 561 {
 562         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val),
 563                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
 564 }
 565
 566 static
 567 DECL_CMD_FUNC2(set80211bsscwmax, ac, val)
 568 {
 569         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val),
 570                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
 571 }
 572
 573 static
 574 DECL_CMD_FUNC2(set80211bssaifs, ac, val)
 575 {
 576         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val),
 577                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
 578 }
 579
 580 static
 581 DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val)
 582 {
 583         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val),
 584                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
 585 }
 586
 587 static
 588 DECL_CMD_FUNC(set80211dtimperiod, val, d)
 589 {
 590         set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL);
 591 }
 592
 593 static
 594 DECL_CMD_FUNC(set80211bintval, val, d)
 595 {
 596         set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL);
 597 }
 598
 599 static void
 600 set80211macmac(int s, int op, const char *val)
 601 {
 602         char *temp;
 603         struct sockaddr_dl sdl;
 604
 605         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
 606         if (temp == NULL)
 607                 errx(1, "malloc failed");
 608         temp[0] = ':';
 609         strcpy(temp + 1, val);
 610         sdl.sdl_len = sizeof(sdl);
 611         link_addr(temp, &sdl);
 612         free(temp);
 613         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
 614                 errx(1, "malformed link-level address");
 615         set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl));
 616 }
 617
 618 static
 619 DECL_CMD_FUNC(set80211addmac, val, d)
 620 {
 621         set80211macmac(s, IEEE80211_IOC_ADDMAC, val);
 622 }
 623
 624 static
 625 DECL_CMD_FUNC(set80211delmac, val, d)
 626 {
 627         set80211macmac(s, IEEE80211_IOC_DELMAC, val);
 628 }
 629
 630 static
 631 DECL_CMD_FUNC(set80211kickmac, val, d)
 632 {
 633         char *temp;
 634         struct sockaddr_dl sdl;
 635         struct ieee80211req_mlme mlme;
 636
 637         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
 638         if (temp == NULL)
 639                 errx(1, "malloc failed");
 640         temp[0] = ':';
 641         strcpy(temp + 1, val);
 642         sdl.sdl_len = sizeof(sdl);
 643         link_addr(temp, &sdl);
 644         free(temp);
 645         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
 646                 errx(1, "malformed link-level address");
 647         memset(&mlme, 0, sizeof(mlme));
 648         mlme.im_op = IEEE80211_MLME_DEAUTH;
 649         mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE;
 650         memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN);
 651         set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), (u_int8_t *) &mlme);
 652 }
 653
 654 static
 655 DECL_CMD_FUNC(set80211maccmd, val, d)
 656 {
 657         set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL);
 658 }
 659
 660 static void
 661 set80211pureg(const char *val, int d, int s, const struct afswtch *rafp)
 662 {
 663         set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL);
 664 }
 665
 666 static void
 667 set80211burst(const char *val, int d, int s, const struct afswtch *rafp)
 668 {
 669         set80211(s, IEEE80211_IOC_BURST, d, 0, NULL);
 670 }
 671
 672 static
 673 DECL_CMD_FUNC(set80211mcastrate, val, d)
 674 {
 675         set80211(s, IEEE80211_IOC_MCAST_RATE, (int) 2*atof(val), 0, NULL);
 676 }
 677
 678 static
 679 DECL_CMD_FUNC(set80211fragthreshold, val, d)
 680 {
 681         set80211(s, IEEE80211_IOC_FRAGTHRESHOLD,
 682                 isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL);
 683 }
 684
 685 static
 686 DECL_CMD_FUNC(set80211bmissthreshold, val, d)
 687 {
 688         set80211(s, IEEE80211_IOC_BMISSTHRESHOLD,
 689                 isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL);
 690 }
 691
 692 static int
 693 getmaxrate(uint8_t rates[15], uint8_t nrates)
 694 {
 695         int i, maxrate = -1;
 696
 697         for (i = 0; i < nrates; i++) {
 698                 int rate = rates[i] & IEEE80211_RATE_VAL;
 699                 if (rate > maxrate)
 700                         maxrate = rate;
 701         }
 702         return maxrate / 2;
 703 }
 704
 705 static const char *
 706 getcaps(int capinfo)
 707 {
 708         static char capstring[32];
 709         char *cp = capstring;
 710
 711         if (capinfo & IEEE80211_CAPINFO_ESS)
 712                 *cp++ = 'E';
 713         if (capinfo & IEEE80211_CAPINFO_IBSS)
 714                 *cp++ = 'I';
 715         if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE)
 716                 *cp++ = 'c';
 717         if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ)
 718                 *cp++ = 'C';
 719         if (capinfo & IEEE80211_CAPINFO_PRIVACY)
 720                 *cp++ = 'P';
 721         if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE)
 722                 *cp++ = 'S';
 723         if (capinfo & IEEE80211_CAPINFO_PBCC)
 724                 *cp++ = 'B';
 725         if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY)
 726                 *cp++ = 'A';
 727         if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
 728                 *cp++ = 's';
 729         if (capinfo & IEEE80211_CAPINFO_RSN)
 730                 *cp++ = 'R';
 731         if (capinfo & IEEE80211_CAPINFO_DSSSOFDM)
 732                 *cp++ = 'D';
 733         *cp = '\0';
 734         return capstring;
 735 }
 736
 737 static const char *
 738 getflags(int flags)
 739 {
 740 /* XXX need these publicly defined or similar */
 741 #define IEEE80211_NODE_AUTH     0x0001          /* authorized for data */
 742 #define IEEE80211_NODE_QOS      0x0002          /* QoS enabled */
 743 #define IEEE80211_NODE_ERP      0x0004          /* ERP enabled */
 744 #define IEEE80211_NODE_PWR_MGT  0x0010          /* power save mode enabled */
 745         static char flagstring[32];
 746         char *cp = flagstring;
 747
 748         if (flags & IEEE80211_NODE_AUTH)
 749                 *cp++ = 'A';
 750         if (flags & IEEE80211_NODE_QOS)
 751                 *cp++ = 'Q';
 752         if (flags & IEEE80211_NODE_ERP)
 753                 *cp++ = 'E';
 754         if (flags & IEEE80211_NODE_PWR_MGT)
 755                 *cp++ = 'P';
 756         *cp = '\0';
 757         return flagstring;
 758 #undef IEEE80211_NODE_AUTH
 759 #undef IEEE80211_NODE_QOS
 760 #undef IEEE80211_NODE_ERP
 761 #undef IEEE80211_NODE_PWR_MGT
 762 }
 763
 764 static void
 765 printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen)
 766 {
 767         printf("%s", tag);
 768         if (verbose) {
 769                 maxlen -= strlen(tag)+2;
 770                 if (2*ielen > maxlen)
 771                         maxlen--;
 772                 printf("<");
 773                 for (; ielen > 0; ie++, ielen--) {
 774                         if (maxlen-- <= 0)
 775                                 break;
 776                         printf("%02x", *ie);
 777                 }
 778                 if (ielen != 0)
 779                         printf("-");
 780                 printf(">");
 781         }
 782 }
 783
 784 /*
 785  * Copy the ssid string contents into buf, truncating to fit.  If the
 786  * ssid is entirely printable then just copy intact.  Otherwise convert
 787  * to hexadecimal.  If the result is truncated then replace the last
 788  * three characters with "...".
 789  */
 790 static int
 791 copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len)
 792 {
 793         const u_int8_t *p;
 794         size_t maxlen;
 795         int i;
 796
 797         if (essid_len > bufsize)
 798                 maxlen = bufsize;
 799         else
 800                 maxlen = essid_len;
 801         /* determine printable or not */
 802         for (i = 0, p = essid; i < maxlen; i++, p++) {
 803                 if (*p < ' ' || *p > 0x7e)
 804                         break;
 805         }
 806         if (i != maxlen) {              /* not printable, print as hex */
 807                 if (bufsize < 3)
 808                         return 0;
 809                 strlcpy(buf, "0x", bufsize);
 810                 bufsize -= 2;
 811                 p = essid;
 812                 for (i = 0; i < maxlen && bufsize >= 2; i++) {
 813                         sprintf(&buf[2+2*i], "%02x", p[i]);
 814                         bufsize -= 2;
 815                 }
 816                 if (i != essid_len)
 817                         memcpy(&buf[2+2*i-3], "...", 3);
 818         } else {                        /* printable, truncate as needed */
 819                 memcpy(buf, essid, maxlen);
 820                 if (maxlen != essid_len)
 821                         memcpy(&buf[maxlen-3], "...", 3);
 822         }
 823         return maxlen;
 824 }
 825
 826 /* unaligned little endian access */
 827 #define LE_READ_4(p)                                    \
 828         ((u_int32_t)                                    \
 829          ((((const u_int8_t *)(p))[0]      ) |          \
 830           (((const u_int8_t *)(p))[1] <<  8) |          \
 831           (((const u_int8_t *)(p))[2] << 16) |          \
 832           (((const u_int8_t *)(p))[3] << 24)))
 833
 834 static int __inline
 835 iswpaoui(const u_int8_t *frm)
 836 {
 837         return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
 838 }
 839
 840 static int __inline
 841 iswmeoui(const u_int8_t *frm)
 842 {
 843         return frm[1] > 3 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI);
 844 }
 845
 846 static int __inline
 847 isatherosoui(const u_int8_t *frm)
 848 {
 849         return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI);
 850 }
 851
 852 static void
 853 printies(const u_int8_t *vp, int ielen, int maxcols)
 854 {
 855         while (ielen > 0) {
 856                 switch (vp[0]) {
 857                 case IEEE80211_ELEMID_VENDOR:
 858                         if (iswpaoui(vp))
 859                                 printie(" WPA", vp, 2+vp[1], maxcols);
 860                         else if (iswmeoui(vp))
 861                                 printie(" WME", vp, 2+vp[1], maxcols);
 862                         else if (isatherosoui(vp))
 863                                 printie(" ATH", vp, 2+vp[1], maxcols);
 864                         else
 865                                 printie(" VEN", vp, 2+vp[1], maxcols);
 866                         break;
 867                 case IEEE80211_ELEMID_RSN:
 868                         printie(" RSN", vp, 2+vp[1], maxcols);
 869                         break;
 870                 default:
 871                         printie(" ???", vp, 2+vp[1], maxcols);
 872                         break;
 873                 }
 874                 ielen -= 2+vp[1];
 875                 vp += 2+vp[1];
 876         }
 877 }
 878
 879 static void
 880 list_scan(int s)
 881 {
 882         uint8_t buf[24*1024];
 883         struct ieee80211req ireq;
 884         char ssid[IEEE80211_NWID_LEN+1];
 885         uint8_t *cp;
 886         int len, ssidmax;
 887
 888         (void) memset(&ireq, 0, sizeof(ireq));
 889         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
 890         ireq.i_type = IEEE80211_IOC_SCAN_RESULTS;
 891         ireq.i_data = buf;
 892         ireq.i_len = sizeof(buf);
 893         if (ioctl(s, SIOCG80211, &ireq) < 0)
 894                 errx(1, "unable to get scan results");
 895         len = ireq.i_len;
 896         if (len < sizeof(struct ieee80211req_scan_result))
 897                 return;
 898
 899         ssidmax = verbose ? IEEE80211_NWID_LEN : 14;
 900         printf("%-*.*s  %-17.17s  %4s %4s  %-5s %3s %4s\n"
 901                 , ssidmax, ssidmax, "SSID"
 902                 , "BSSID"
 903                 , "CHAN"
 904                 , "RATE"
 905                 , "S:N"
 906                 , "INT"
 907                 , "CAPS"
 908         );
 909         cp = buf;
 910         do {
 911                 struct ieee80211req_scan_result *sr;
 912                 uint8_t *vp;
 913
 914                 sr = (struct ieee80211req_scan_result *) cp;
 915                 vp = (u_int8_t *)(sr+1);
 916                 printf("%-*.*s  %s  %3d  %3dM %2d:%-2d  %3d %-4.4s"
 917                         , ssidmax
 918                           , copy_essid(ssid, ssidmax, vp, sr->isr_ssid_len)
 919                           , ssid
 920                         , ether_ntoa((const struct ether_addr *) sr->isr_bssid)
 921                         , ieee80211_mhz2ieee(sr->isr_freq)
 922                         , getmaxrate(sr->isr_rates, sr->isr_nrates)
 923                         , sr->isr_rssi, sr->isr_noise
 924                         , sr->isr_intval
 925                         , getcaps(sr->isr_capinfo)
 926                 );
 927                 printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24);;
 928                 printf("\n");
 929                 cp += sr->isr_len, len -= sr->isr_len;
 930         } while (len >= sizeof(struct ieee80211req_scan_result));
 931 }
 932
 933 #include <net80211/ieee80211_freebsd.h>
 934
 935 static void
 936 scan_and_wait(int s)
 937 {
 938         struct ieee80211req ireq;
 939         int sroute;
 940
 941         sroute = socket(PF_ROUTE, SOCK_RAW, 0);
 942         if (sroute < 0) {
 943                 perror("socket(PF_ROUTE,SOCK_RAW)");
 944                 return;
 945         }
 946         (void) memset(&ireq, 0, sizeof(ireq));
 947         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
 948         ireq.i_type = IEEE80211_IOC_SCAN_REQ;
 949         /* NB: only root can trigger a scan so ignore errors */
 950         if (ioctl(s, SIOCS80211, &ireq) >= 0) {
 951                 char buf[2048];
 952                 struct if_announcemsghdr *ifan;
 953                 struct rt_msghdr *rtm;
 954
 955                 do {
 956                         if (read(sroute, buf, sizeof(buf)) < 0) {
 957                                 perror("read(PF_ROUTE)");
 958                                 break;
 959                         }
 960                         rtm = (struct rt_msghdr *) buf;
 961                         if (rtm->rtm_version != RTM_VERSION)
 962                                 break;
 963                         ifan = (struct if_announcemsghdr *) rtm;
 964                 } while (rtm->rtm_type != RTM_IEEE80211 ||
 965                     ifan->ifan_what != RTM_IEEE80211_SCAN);
 966         }
 967         close(sroute);
 968 }
 969
 970 static
 971 DECL_CMD_FUNC(set80211scan, val, d)
 972 {
 973         scan_and_wait(s);
 974         list_scan(s);
 975 }
 976
 977 static enum ieee80211_opmode get80211opmode(int s);
 978
 979 static void
 980 list_stations(int s)
 981 {
 982         union {
 983                 struct ieee80211req_sta_req req;
 984                 uint8_t buf[24*1024];
 985         } u;
 986         enum ieee80211_opmode opmode = get80211opmode(s);
 987         struct ieee80211req ireq;
 988         uint8_t *cp;
 989         int len;
 990
 991         (void) memset(&ireq, 0, sizeof(ireq));
 992         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
 993         /* broadcast address =>'s get all stations */
 994         (void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN);
 995         if (opmode == IEEE80211_M_STA) {
 996                 /*
 997                  * Get information about the associated AP.
 998                  */
 999                 ireq.i_type = IEEE80211_IOC_BSSID;
1000                 ireq.i_data = u.req.is_u.macaddr;
1001                 ireq.i_len = IEEE80211_ADDR_LEN;
1002                 (void) ioctl(s, SIOCG80211, &ireq);
1003         }
1004         ireq.i_type = IEEE80211_IOC_STA_INFO;
1005         ireq.i_data = &u;
1006         ireq.i_len = sizeof(u);
1007         if (ioctl(s, SIOCG80211, &ireq) < 0)
1008                 errx(1, "unable to get station information");
1009         len = ireq.i_len;
1010         if (len < sizeof(struct ieee80211req_sta_info))
1011                 return;
1012
1013         printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %4s\n"
1014                 , "ADDR"
1015                 , "AID"
1016                 , "CHAN"
1017                 , "RATE"
1018                 , "RSSI"
1019                 , "IDLE"
1020                 , "TXSEQ"
1021                 , "RXSEQ"
1022                 , "CAPS"
1023                 , "FLAG"
1024         );
1025         cp = (uint8_t *) u.req.info;
1026         do {
1027                 struct ieee80211req_sta_info *si;
1028                 uint8_t *vp;
1029
1030                 si = (struct ieee80211req_sta_info *) cp;
1031                 if (si->isi_len < sizeof(*si))
1032                         break;
1033                 vp = (u_int8_t *)(si+1);
1034                 printf("%s %4u %4d %3dM %4d %4d %6d %6d %-4.4s %-4.4s"
1035                         , ether_ntoa((const struct ether_addr*) si->isi_macaddr)
1036                         , IEEE80211_AID(si->isi_associd)
1037                         , ieee80211_mhz2ieee(si->isi_freq)
1038                         , (si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL)/2
1039                         , si->isi_rssi
1040                         , si->isi_inact
1041                         , si->isi_txseqs[0]
1042                         , si->isi_rxseqs[0]
1043                         , getcaps(si->isi_capinfo)
1044                         , getflags(si->isi_state)
1045                 );
1046                 printies(vp, si->isi_ie_len, 24);
1047                 printf("\n");
1048                 cp += si->isi_len, len -= si->isi_len;
1049         } while (len >= sizeof(struct ieee80211req_sta_info));
1050 }
1051
1052 static void
1053 print_chaninfo(const struct ieee80211_channel *c)
1054 {
1055 #define IEEE80211_IS_CHAN_PASSIVE(_c) \
1056         (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE))
1057         char buf[14];
1058
1059         buf[0] = '\0';
1060         if (IEEE80211_IS_CHAN_FHSS(c))
1061                 strlcat(buf, " FHSS", sizeof(buf));
1062         if (IEEE80211_IS_CHAN_A(c))
1063                 strlcat(buf, " 11a", sizeof(buf));
1064         /* XXX 11g schizophrenia */
1065         if (IEEE80211_IS_CHAN_G(c) ||
1066             IEEE80211_IS_CHAN_PUREG(c))
1067                 strlcat(buf, " 11g", sizeof(buf));
1068         else if (IEEE80211_IS_CHAN_B(c))
1069                 strlcat(buf, " 11b", sizeof(buf));
1070         if (IEEE80211_IS_CHAN_T(c))
1071                 strlcat(buf, " Turbo", sizeof(buf));
1072         printf("Channel %3u : %u%c Mhz%-14.14s",
1073                 ieee80211_mhz2ieee(c->ic_freq), c->ic_freq,
1074                 IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ', buf);
1075 #undef IEEE80211_IS_CHAN_PASSIVE
1076 }
1077
1078 static void
1079 list_channels(int s, int allchans)
1080 {
1081         struct ieee80211req ireq;
1082         struct ieee80211req_chaninfo chans;
1083         struct ieee80211req_chaninfo achans;
1084         const struct ieee80211_channel *c;
1085         int i, half;
1086
1087         (void) memset(&ireq, 0, sizeof(ireq));
1088         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
1089         ireq.i_type = IEEE80211_IOC_CHANINFO;
1090         ireq.i_data = &chans;
1091         ireq.i_len = sizeof(chans);
1092         if (ioctl(s, SIOCG80211, &ireq) < 0)
1093                 errx(1, "unable to get channel information");
1094         if (!allchans) {
1095                 struct ieee80211req_chanlist active;
1096
1097                 ireq.i_type = IEEE80211_IOC_CHANLIST;
1098                 ireq.i_data = &active;
1099                 ireq.i_len = sizeof(active);
1100                 if (ioctl(s, SIOCG80211, &ireq) < 0)
1101                         errx(1, "unable to get active channel list");
1102                 memset(&achans, 0, sizeof(achans));
1103                 for (i = 0; i < chans.ic_nchans; i++) {
1104                         c = &chans.ic_chans[i];
1105                         if (isset(active.ic_channels, ieee80211_mhz2ieee(c->ic_freq)) || allchans)
1106                                 achans.ic_chans[achans.ic_nchans++] = *c;
1107                 }
1108         } else
1109                 achans = chans;
1110         half = achans.ic_nchans / 2;
1111         if (achans.ic_nchans % 2)
1112                 half++;
1113         for (i = 0; i < achans.ic_nchans / 2; i++) {
1114                 print_chaninfo(&achans.ic_chans[i]);
1115                 print_chaninfo(&achans.ic_chans[half+i]);
1116                 printf("\n");
1117         }
1118         if (achans.ic_nchans % 2) {
1119                 print_chaninfo(&achans.ic_chans[i]);
1120                 printf("\n");
1121         }
1122 }
1123
1124 static void
1125 list_keys(int s)
1126 {
1127 }
1128
1129 #define IEEE80211_C_BITS \
1130 "\020\1WEP\2TKIP\3AES\4AES_CCM\6CKIP\11IBSS\12PMGT\13HOSTAP\14AHDEMO" \
1131 "\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE\21MONITOR\22TKIPMIC\30WPA1" \
1132 "\31WPA2\32BURST\33WME"
1133
1134 static void
1135 list_capabilities(int s)
1136 {
1137         struct ieee80211req ireq;
1138         u_int32_t caps;
1139
1140         (void) memset(&ireq, 0, sizeof(ireq));
1141         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
1142         ireq.i_type = IEEE80211_IOC_DRIVER_CAPS;
1143         if (ioctl(s, SIOCG80211, &ireq) < 0)
1144                 errx(1, "unable to get driver capabilities");
1145         caps = (((u_int16_t) ireq.i_val) << 16) | ((u_int16_t) ireq.i_len);
1146         printb(name, caps, IEEE80211_C_BITS);
1147         putchar('\n');
1148 }
1149
1150 static void
1151 list_wme(int s)
1152 {
1153         static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
1154         struct ieee80211req ireq;
1155         int ac;
1156
1157         (void) memset(&ireq, 0, sizeof(ireq));
1158         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
1159         ireq.i_len = 0;
1160         for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) {
1161 again:
1162                 if (ireq.i_len & IEEE80211_WMEPARAM_BSS)
1163                         printf("\t%s", "     ");
1164                 else
1165                         printf("\t%s", acnames[ac]);
1166
1167                 ireq.i_len = (ireq.i_len & IEEE80211_WMEPARAM_BSS) | ac;
1168
1169                 /* show WME BSS parameters */
1170                 ireq.i_type = IEEE80211_IOC_WME_CWMIN;
1171                 if (ioctl(s, SIOCG80211, &ireq) != -1)
1172                         printf(" cwmin %2u", ireq.i_val);
1173                 ireq.i_type = IEEE80211_IOC_WME_CWMAX;
1174                 if (ioctl(s, SIOCG80211, &ireq) != -1)
1175                         printf(" cwmax %2u", ireq.i_val);
1176                 ireq.i_type = IEEE80211_IOC_WME_AIFS;
1177                 if (ioctl(s, SIOCG80211, &ireq) != -1)
1178                         printf(" aifs %2u", ireq.i_val);
1179                 ireq.i_type = IEEE80211_IOC_WME_TXOPLIMIT;
1180                 if (ioctl(s, SIOCG80211, &ireq) != -1)
1181                         printf(" txopLimit %3u", ireq.i_val);
1182                 ireq.i_type = IEEE80211_IOC_WME_ACM;
1183                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1184                         if (ireq.i_val)
1185                                 printf(" acm");
1186                         else if (verbose)
1187                                 printf(" -acm");
1188                 }
1189                 /* !BSS only */
1190                 if ((ireq.i_len & IEEE80211_WMEPARAM_BSS) == 0) {
1191                         ireq.i_type = IEEE80211_IOC_WME_ACKPOLICY;
1192                         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1193                                 if (!ireq.i_val)
1194                                         printf(" -ack");
1195                                 else if (verbose)
1196                                         printf(" ack");
1197                         }
1198                 }
1199                 printf("\n");
1200                 if ((ireq.i_len & IEEE80211_WMEPARAM_BSS) == 0) {
1201                         ireq.i_len |= IEEE80211_WMEPARAM_BSS;
1202                         goto again;
1203                 } else
1204                         ireq.i_len &= ~IEEE80211_WMEPARAM_BSS;
1205         }
1206 }
1207
1208 static void
1209 list_mac(int s)
1210 {
1211         struct ieee80211req ireq;
1212         struct ieee80211req_maclist *acllist;
1213         int i, nacls, policy;
1214         char c;
1215
1216         (void) memset(&ireq, 0, sizeof(ireq));
1217         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */
1218         ireq.i_type = IEEE80211_IOC_MACCMD;
1219         ireq.i_val = IEEE80211_MACCMD_POLICY;
1220         if (ioctl(s, SIOCG80211, &ireq) < 0) {
1221                 if (errno == EINVAL) {
1222                         printf("No acl policy loaded\n");
1223                         return;
1224                 }
1225                 err(1, "unable to get mac policy");
1226         }
1227         policy = ireq.i_val;
1228
1229         ireq.i_val = IEEE80211_MACCMD_LIST;
1230         ireq.i_len = 0;
1231         if (ioctl(s, SIOCG80211, &ireq) < 0)
1232                 err(1, "unable to get mac acl list size");
1233         if (ireq.i_len == 0)            /* NB: no acls */
1234                 return;
1235
1236         ireq.i_data = malloc(ireq.i_len);
1237         if (ireq.i_data == NULL)
1238                 err(1, "out of memory for acl list");
1239
1240         if (ioctl(s, SIOCG80211, &ireq) < 0)
1241                 err(1, "unable to get mac acl list");
1242         if (policy == IEEE80211_MACCMD_POLICY_OPEN) {
1243                 if (verbose)
1244                         printf("policy: open\n");
1245                 c = '*';
1246         } else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) {
1247                 if (verbose)
1248                         printf("policy: allow\n");
1249                 c = '+';
1250         } else if (policy == IEEE80211_MACCMD_POLICY_DENY) {
1251                 if (verbose)
1252                         printf("policy: deny\n");
1253                 c = '-';
1254         } else {
1255                 printf("policy: unknown (%u)\n", policy);
1256                 c = '?';
1257         }
1258         nacls = ireq.i_len / sizeof(*acllist);
1259         acllist = (struct ieee80211req_maclist *) ireq.i_data;
1260         for (i = 0; i < nacls; i++)
1261                 printf("%c%s\n", c, ether_ntoa(
1262                         (const struct ether_addr *) acllist[i].ml_macaddr));
1263 }
1264
1265 static
1266 DECL_CMD_FUNC(set80211list, arg, d)
1267 {
1268 #define iseq(a,b)       (strncasecmp(a,b,sizeof(b)-1) == 0)
1269
1270         if (iseq(arg, "sta"))
1271                 list_stations(s);
1272         else if (iseq(arg, "scan") || iseq(arg, "ap"))
1273                 list_scan(s);
1274         else if (iseq(arg, "chan") || iseq(arg, "freq"))
1275                 list_channels(s, 1);
1276         else if (iseq(arg, "active"))
1277                 list_channels(s, 0);
1278         else if (iseq(arg, "keys"))
1279                 list_keys(s);
1280         else if (iseq(arg, "caps"))
1281                 list_capabilities(s);
1282         else if (iseq(arg, "wme"))
1283                 list_wme(s);
1284         else if (iseq(arg, "mac"))
1285                 list_mac(s);
1286         else
1287                 errx(1, "Don't know how to list %s for %s", arg, name);
1288 #undef iseq
1289 }
1290
1291 static enum ieee80211_opmode
1292 get80211opmode(int s)
1293 {
1294         struct ifmediareq ifmr;
1295
1296         (void) memset(&ifmr, 0, sizeof(ifmr));
1297         (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
1298
1299         if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
1300                 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC)
1301                         return IEEE80211_M_IBSS;        /* XXX ahdemo */
1302                 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
1303                         return IEEE80211_M_HOSTAP;
1304                 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
1305                         return IEEE80211_M_MONITOR;
1306         }
1307         return IEEE80211_M_STA;
1308 }
1309
1310 static const struct ieee80211_channel *
1311 getchaninfo(int s, int chan)
1312 {
1313         struct ieee80211req ireq;
1314         static struct ieee80211req_chaninfo chans;
1315         static struct ieee80211_channel undef;
1316         const struct ieee80211_channel *c;
1317         int i, freq;
1318
1319         (void) memset(&ireq, 0, sizeof(ireq));
1320         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
1321         ireq.i_type = IEEE80211_IOC_CHANINFO;
1322         ireq.i_data = &chans;
1323         ireq.i_len = sizeof(chans);
1324         if (ioctl(s, SIOCG80211, &ireq) < 0)
1325                 errx(1, "unable to get channel information");
1326         freq = ieee80211_ieee2mhz(chan);
1327         for (i = 0; i < chans.ic_nchans; i++) {
1328                 c = &chans.ic_chans[i];
1329                 if (c->ic_freq == freq)
1330                         return c;
1331         }
1332         return &undef;
1333 }
1334
1335 #if 0
1336 static void
1337 printcipher(int s, struct ieee80211req *ireq, int keylenop)
1338 {
1339         switch (ireq->i_val) {
1340         case IEEE80211_CIPHER_WEP:
1341                 ireq->i_type = keylenop;
1342                 if (ioctl(s, SIOCG80211, ireq) != -1)
1343                         printf("WEP-%s",
1344                             ireq->i_len <= 5 ? "40" :
1345                             ireq->i_len <= 13 ? "104" : "128");
1346                 else
1347                         printf("WEP");
1348                 break;
1349         case IEEE80211_CIPHER_TKIP:
1350                 printf("TKIP");
1351                 break;
1352         case IEEE80211_CIPHER_AES_OCB:
1353                 printf("AES-OCB");
1354                 break;
1355         case IEEE80211_CIPHER_AES_CCM:
1356                 printf("AES-CCM");
1357                 break;
1358         case IEEE80211_CIPHER_CKIP:
1359                 printf("CKIP");
1360                 break;
1361         case IEEE80211_CIPHER_NONE:
1362                 printf("NONE");
1363                 break;
1364         default:
1365                 printf("UNKNOWN (0x%x)", ireq->i_val);
1366                 break;
1367         }
1368 }
1369 #endif
1370
1371 #define MAXCOL  78
1372 static  int col;
1373 static  char spacer;
1374
1375 static void
1376 LINE_BREAK(void)
1377 {
1378         if (spacer != '\t') {
1379                 printf("\n");
1380                 spacer = '\t';
1381         }
1382         col = 8;        /* 8-col tab */
1383 }
1384
1385 static void
1386 LINE_CHECK(const char *fmt, ...)
1387 {
1388         char buf[80];
1389         va_list ap;
1390         int n;
1391
1392         va_start(ap, fmt);
1393         n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap);
1394         va_end(ap);
1395         col += 1+n;
1396         if (col > MAXCOL) {
1397                 LINE_BREAK();
1398                 col += n;
1399         }
1400         buf[0] = spacer;
1401         printf("%s", buf);
1402         spacer = ' ';
1403 }
1404
1405 static void
1406 printkey(const struct ieee80211req_key *ik)
1407 {
1408         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
1409         int keylen = ik->ik_keylen;
1410         int printcontents;
1411
1412         printcontents = printkeys &&
1413                 (memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose);
1414         if (printcontents)
1415                 LINE_BREAK();
1416         switch (ik->ik_type) {
1417         case IEEE80211_CIPHER_WEP:
1418                 /* compatibility */
1419                 LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1,
1420                     keylen <= 5 ? "40-bit" :
1421                     keylen <= 13 ? "104-bit" : "128-bit");
1422                 break;
1423         case IEEE80211_CIPHER_TKIP:
1424                 if (keylen > 128/8)
1425                         keylen -= 128/8;        /* ignore MIC for now */
1426                 LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
1427                 break;
1428         case IEEE80211_CIPHER_AES_OCB:
1429                 LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen);
1430                 break;
1431         case IEEE80211_CIPHER_AES_CCM:
1432                 LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen);
1433                 break;
1434         case IEEE80211_CIPHER_CKIP:
1435                 LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
1436                 break;
1437         case IEEE80211_CIPHER_NONE:
1438                 LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen);
1439                 break;
1440         default:
1441                 LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit",
1442                         ik->ik_type, ik->ik_keyix+1, 8*keylen);
1443                 break;
1444         }
1445         if (printcontents) {
1446                 int i;
1447
1448                 printf(" <");
1449                 for (i = 0; i < keylen; i++)
1450                         printf("%02x", ik->ik_keydata[i]);
1451                 printf(">");
1452                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
1453                     (ik->ik_keyrsc != 0 || verbose))
1454                         printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc);
1455                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
1456                     (ik->ik_keytsc != 0 || verbose))
1457                         printf(" tsc %ju", (uintmax_t)ik->ik_keytsc);
1458                 if (ik->ik_flags != 0 && verbose) {
1459                         const char *sep = " ";
1460
1461                         if (ik->ik_flags & IEEE80211_KEY_XMIT)
1462                                 printf("%stx", sep), sep = "+";
1463                         if (ik->ik_flags & IEEE80211_KEY_RECV)
1464                                 printf("%srx", sep), sep = "+";
1465                         if (ik->ik_flags & IEEE80211_KEY_DEFAULT)
1466                                 printf("%sdef", sep), sep = "+";
1467                 }
1468                 LINE_BREAK();
1469         }
1470 }
1471
1472 static void
1473 ieee80211_status(int s)
1474 {
1475         static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
1476         enum ieee80211_opmode opmode = get80211opmode(s);
1477         int i, num, wpa, wme;
1478         struct ieee80211req ireq;
1479         u_int8_t data[32];
1480         const struct ieee80211_channel *c;
1481
1482         (void) memset(&ireq, 0, sizeof(ireq));
1483         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
1484         ireq.i_data = &data;
1485
1486         wpa = 0;                /* unknown/not set */
1487
1488         ireq.i_type = IEEE80211_IOC_SSID;
1489         ireq.i_val = -1;
1490         if (ioctl(s, SIOCG80211, &ireq) < 0) {
1491                 /* If we can't get the SSID, this isn't an 802.11 device. */
1492                 return;
1493         }
1494         num = 0;
1495         ireq.i_type = IEEE80211_IOC_NUMSSIDS;
1496         if (ioctl(s, SIOCG80211, &ireq) >= 0)
1497                 num = ireq.i_val;
1498         printf("\tssid ");
1499         if (num > 1) {
1500                 ireq.i_type = IEEE80211_IOC_SSID;
1501                 for (ireq.i_val = 0; ireq.i_val < num; ireq.i_val++) {
1502                         if (ioctl(s, SIOCG80211, &ireq) >= 0 && ireq.i_len > 0) {
1503                                 printf(" %d:", ireq.i_val + 1);
1504                                 print_string(data, ireq.i_len);
1505                         }
1506                 }
1507         } else
1508                 print_string(data, ireq.i_len);
1509
1510         ireq.i_type = IEEE80211_IOC_CHANNEL;
1511         if (ioctl(s, SIOCG80211, &ireq) < 0)
1512                 goto end;
1513         c = getchaninfo(s, ireq.i_val);
1514         if (ireq.i_val != -1) {
1515                 printf(" channel %d", ireq.i_val);
1516                 if (verbose)
1517                         printf(" (%u)", c->ic_freq);
1518         } else if (verbose)
1519                 printf(" channel UNDEF");
1520
1521         ireq.i_type = IEEE80211_IOC_BSSID;
1522         ireq.i_len = IEEE80211_ADDR_LEN;
1523         if (ioctl(s, SIOCG80211, &ireq) >= 0 &&
1524             (memcmp(ireq.i_data, zerobssid, sizeof(zerobssid)) != 0 || verbose))
1525                 printf(" bssid %s", ether_ntoa(ireq.i_data));
1526
1527         ireq.i_type = IEEE80211_IOC_STATIONNAME;
1528         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1529                 printf("\n\tstationname ");
1530                 print_string(data, ireq.i_len);
1531         }
1532
1533         spacer = ' ';           /* force first break */
1534         LINE_BREAK();
1535
1536         ireq.i_type = IEEE80211_IOC_AUTHMODE;
1537         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1538                 switch (ireq.i_val) {
1539                         case IEEE80211_AUTH_NONE:
1540                                 LINE_CHECK("authmode NONE");
1541                                 break;
1542                         case IEEE80211_AUTH_OPEN:
1543                                 LINE_CHECK("authmode OPEN");
1544                                 break;
1545                         case IEEE80211_AUTH_SHARED:
1546                                 LINE_CHECK("authmode SHARED");
1547                                 break;
1548                         case IEEE80211_AUTH_8021X:
1549                                 LINE_CHECK("authmode 802.1x");
1550                                 break;
1551                         case IEEE80211_AUTH_WPA:
1552                                 ireq.i_type = IEEE80211_IOC_WPA;
1553                                 if (ioctl(s, SIOCG80211, &ireq) != -1)
1554                                         wpa = ireq.i_val;
1555                                 if (!wpa)
1556                                         wpa = 1;        /* default to WPA1 */
1557                                 switch (wpa) {
1558                                 case 2:
1559                                         LINE_CHECK("authmode WPA2/802.11i");
1560                                         break;
1561                                 case 3:
1562                                         LINE_CHECK("authmode WPA1+WPA2/802.11i");
1563                                         break;
1564                                 default:
1565                                         LINE_CHECK("authmode WPA");
1566                                         break;
1567                                 }
1568                                 break;
1569                         case IEEE80211_AUTH_AUTO:
1570                                 LINE_CHECK("authmode AUTO");
1571                                 break;
1572                         default:
1573                                 LINE_CHECK("authmode UNKNOWN (0x%x)",
1574                                         ireq.i_val);
1575                                 break;
1576                 }
1577         }
1578
1579         ireq.i_type = IEEE80211_IOC_WEP;
1580         if (ioctl(s, SIOCG80211, &ireq) != -1 &&
1581             ireq.i_val != IEEE80211_WEP_NOSUP) {
1582                 int firstkey, wepmode;
1583
1584                 wepmode = ireq.i_val;
1585                 switch (wepmode) {
1586                         case IEEE80211_WEP_OFF:
1587                                 LINE_CHECK("privacy OFF");
1588                                 break;
1589                         case IEEE80211_WEP_ON:
1590                                 LINE_CHECK("privacy ON");
1591                                 break;
1592                         case IEEE80211_WEP_MIXED:
1593                                 LINE_CHECK("privacy MIXED");
1594                                 break;
1595                         default:
1596                                 LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode);
1597                                 break;
1598                 }
1599
1600                 /*
1601                  * If we get here then we've got WEP support so we need
1602                  * to print WEP status.
1603                  */
1604
1605                 ireq.i_type = IEEE80211_IOC_WEPTXKEY;
1606                 if (ioctl(s, SIOCG80211, &ireq) < 0) {
1607                         warn("WEP support, but no tx key!");
1608                         goto end;
1609                 }
1610                 if (ireq.i_val != -1)
1611                         LINE_CHECK("deftxkey %d", ireq.i_val+1);
1612                 else if (wepmode != IEEE80211_WEP_OFF || verbose)
1613                         LINE_CHECK("deftxkey UNDEF");
1614
1615                 ireq.i_type = IEEE80211_IOC_NUMWEPKEYS;
1616                 if (ioctl(s, SIOCG80211, &ireq) < 0) {
1617                         warn("WEP support, but no NUMWEPKEYS support!");
1618                         goto end;
1619                 }
1620                 num = ireq.i_val;
1621
1622                 firstkey = 1;
1623                 for (i = 0; i < num; i++) {
1624                         struct ieee80211req_key ik;
1625
1626                         memset(&ik, 0, sizeof(ik));
1627                         ik.ik_keyix = i;
1628                         ireq.i_type = IEEE80211_IOC_WPAKEY;
1629                         ireq.i_data = &ik;
1630                         ireq.i_len = sizeof(ik);
1631                         if (ioctl(s, SIOCG80211, &ireq) < 0) {
1632                                 warn("WEP support, but can get keys!");
1633                                 goto end;
1634                         }
1635                         if (ik.ik_keylen != 0) {
1636                                 if (verbose)
1637                                         LINE_BREAK();
1638                                 printkey(&ik);
1639                                 firstkey = 0;
1640                         }
1641                 }
1642         }
1643
1644         ireq.i_type = IEEE80211_IOC_POWERSAVE;
1645         if (ioctl(s, SIOCG80211, &ireq) != -1 &&
1646             ireq.i_val != IEEE80211_POWERSAVE_NOSUP ) {
1647                 if (ireq.i_val != IEEE80211_POWERSAVE_OFF || verbose) {
1648                         switch (ireq.i_val) {
1649                                 case IEEE80211_POWERSAVE_OFF:
1650                                         LINE_CHECK("powersavemode OFF");
1651                                         break;
1652                                 case IEEE80211_POWERSAVE_CAM:
1653                                         LINE_CHECK("powersavemode CAM");
1654                                         break;
1655                                 case IEEE80211_POWERSAVE_PSP:
1656                                         LINE_CHECK("powersavemode PSP");
1657                                         break;
1658                                 case IEEE80211_POWERSAVE_PSP_CAM:
1659                                         LINE_CHECK("powersavemode PSP-CAM");
1660                                         break;
1661                         }
1662                         ireq.i_type = IEEE80211_IOC_POWERSAVESLEEP;
1663                         if (ioctl(s, SIOCG80211, &ireq) != -1)
1664                                 LINE_CHECK("powersavesleep %d", ireq.i_val);
1665                 }
1666         }
1667
1668         ireq.i_type = IEEE80211_IOC_TXPOWMAX;
1669         if (ioctl(s, SIOCG80211, &ireq) != -1)
1670                 LINE_CHECK("txpowmax %d", ireq.i_val);
1671
1672         if (verbose) {
1673                 ireq.i_type = IEEE80211_IOC_TXPOWER;
1674                 if (ioctl(s, SIOCG80211, &ireq) != -1)
1675                         LINE_CHECK("txpower %d", ireq.i_val);
1676         }
1677
1678         ireq.i_type = IEEE80211_IOC_RTSTHRESHOLD;
1679         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1680                 if (ireq.i_val != IEEE80211_RTS_MAX || verbose)
1681                         LINE_CHECK("rtsthreshold %d", ireq.i_val);
1682         }
1683
1684         ireq.i_type = IEEE80211_IOC_MCAST_RATE;
1685         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1686                 if (ireq.i_val != 2*1 || verbose) {
1687                         if (ireq.i_val == 11)
1688                                 LINE_CHECK("mcastrate 5.5");
1689                         else
1690                                 LINE_CHECK("mcastrate %d", ireq.i_val/2);
1691                 }
1692         }
1693
1694         ireq.i_type = IEEE80211_IOC_FRAGTHRESHOLD;
1695         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1696                 if (ireq.i_val != IEEE80211_FRAG_MAX || verbose)
1697                         LINE_CHECK("fragthreshold %d", ireq.i_val);
1698         }
1699
1700         ireq.i_type = IEEE80211_IOC_BMISSTHRESHOLD;
1701         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1702                 if (ireq.i_val != IEEE80211_HWBMISS_MAX || verbose)
1703                         LINE_CHECK("bmiss %d", ireq.i_val);
1704         }
1705
1706         if (IEEE80211_IS_CHAN_G(c) || IEEE80211_IS_CHAN_PUREG(c) || verbose) {
1707                 ireq.i_type = IEEE80211_IOC_PUREG;
1708                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1709                         if (ireq.i_val)
1710                                 LINE_CHECK("pureg");
1711                         else if (verbose)
1712                                 LINE_CHECK("-pureg");
1713                 }
1714                 ireq.i_type = IEEE80211_IOC_PROTMODE;
1715                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1716                         switch (ireq.i_val) {
1717                                 case IEEE80211_PROTMODE_OFF:
1718                                         LINE_CHECK("protmode OFF");
1719                                         break;
1720                                 case IEEE80211_PROTMODE_CTS:
1721                                         LINE_CHECK("protmode CTS");
1722                                         break;
1723                                 case IEEE80211_PROTMODE_RTSCTS:
1724                                         LINE_CHECK("protmode RTSCTS");
1725                                         break;
1726                                 default:
1727                                         LINE_CHECK("protmode UNKNOWN (0x%x)",
1728                                                 ireq.i_val);
1729                                         break;
1730                         }
1731                 }
1732         }
1733
1734         ireq.i_type = IEEE80211_IOC_WME;
1735         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1736                 wme = ireq.i_val;
1737                 if (wme)
1738                         LINE_CHECK("wme");
1739                 else if (verbose)
1740                         LINE_CHECK("-wme");
1741         } else
1742                 wme = 0;
1743
1744         ireq.i_type = IEEE80211_IOC_BURST;
1745         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1746                 if (ireq.i_val)
1747                         LINE_CHECK("burst");
1748                 else if (verbose)
1749                         LINE_CHECK("-burst");
1750         }
1751
1752         if (opmode == IEEE80211_M_HOSTAP) {
1753                 ireq.i_type = IEEE80211_IOC_HIDESSID;
1754                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1755                         if (ireq.i_val)
1756                                 LINE_CHECK("ssid HIDE");
1757                         else if (verbose)
1758                                 LINE_CHECK("ssid SHOW");
1759                 }
1760
1761                 ireq.i_type = IEEE80211_IOC_APBRIDGE;
1762                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1763                         if (!ireq.i_val)
1764                                 LINE_CHECK("-apbridge");
1765                         else if (verbose)
1766                                 LINE_CHECK("apbridge");
1767                 }
1768
1769                 ireq.i_type = IEEE80211_IOC_DTIM_PERIOD;
1770                 if (ioctl(s, SIOCG80211, &ireq) != -1)
1771                         LINE_CHECK("dtimperiod %u", ireq.i_val);
1772         } else {
1773                 ireq.i_type = IEEE80211_IOC_ROAMING;
1774                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1775                         if (ireq.i_val != IEEE80211_ROAMING_AUTO || verbose) {
1776                                 switch (ireq.i_val) {
1777                                 case IEEE80211_ROAMING_DEVICE:
1778                                         LINE_CHECK("roaming DEVICE");
1779                                         break;
1780                                 case IEEE80211_ROAMING_AUTO:
1781                                         LINE_CHECK("roaming AUTO");
1782                                         break;
1783                                 case IEEE80211_ROAMING_MANUAL:
1784                                         LINE_CHECK("roaming MANUAL");
1785                                         break;
1786                                 default:
1787                                         LINE_CHECK("roaming UNKNOWN (0x%x)",
1788                                                 ireq.i_val);
1789                                         break;
1790                                 }
1791                         }
1792                 }
1793         }
1794         ireq.i_type = IEEE80211_IOC_BEACON_INTERVAL;
1795         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1796                 if (ireq.i_val)
1797                         LINE_CHECK("bintval %u", ireq.i_val);
1798                 else if (verbose)
1799                         LINE_CHECK("bintval %u", ireq.i_val);
1800         }
1801
1802         if (wme && verbose) {
1803                 LINE_BREAK();
1804                 list_wme(s);
1805         }
1806
1807         if (wpa) {
1808                 ireq.i_type = IEEE80211_IOC_COUNTERMEASURES;
1809                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1810                         if (ireq.i_val)
1811                                 LINE_CHECK("countermeasures");
1812                         else if (verbose)
1813                                 LINE_CHECK("-countermeasures");
1814                 }
1815 #if 0
1816                 /* XXX not interesting with WPA done in user space */
1817                 ireq.i_type = IEEE80211_IOC_KEYMGTALGS;
1818                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1819                 }
1820
1821                 ireq.i_type = IEEE80211_IOC_MCASTCIPHER;
1822                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1823                         LINE_CHECK("mcastcipher ");
1824                         printcipher(s, &ireq, IEEE80211_IOC_MCASTKEYLEN);
1825                         spacer = ' ';
1826                 }
1827
1828                 ireq.i_type = IEEE80211_IOC_UCASTCIPHER;
1829                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1830                         LINE_CHECK("ucastcipher ");
1831                         printcipher(s, &ireq, IEEE80211_IOC_UCASTKEYLEN);
1832                 }
1833
1834                 if (wpa & 2) {
1835                         ireq.i_type = IEEE80211_IOC_RSNCAPS;
1836                         if (ioctl(s, SIOCG80211, &ireq) != -1) {
1837                                 LINE_CHECK("RSN caps 0x%x", ireq.i_val);
1838                                 spacer = ' ';
1839                         }
1840                 }
1841
1842                 ireq.i_type = IEEE80211_IOC_UCASTCIPHERS;
1843                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
1844                 }
1845 #endif
1846                 LINE_BREAK();
1847         }
1848         LINE_BREAK();
1849
1850 end:
1851         return;
1852 }
1853
1854 static void
1855 set80211(int s, int type, int val, int len, u_int8_t *data)
1856 {
1857         struct ieee80211req     ireq;
1858
1859         (void) memset(&ireq, 0, sizeof(ireq));
1860         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
1861         ireq.i_type = type;
1862         ireq.i_val = val;
1863         ireq.i_len = len;
1864         ireq.i_data = data;
1865         if (ioctl(s, SIOCS80211, &ireq) < 0)
1866                 err(1, "SIOCS80211");
1867 }
1868
1869 static const char *
1870 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
1871 {
1872         int len;
1873         int hexstr;
1874         u_int8_t *p;
1875
1876         len = *lenp;
1877         p = buf;
1878         hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
1879         if (hexstr)
1880                 val += 2;
1881         for (;;) {
1882                 if (*val == '\0')
1883                         break;
1884                 if (sep != NULL && strchr(sep, *val) != NULL) {
1885                         val++;
1886                         break;
1887                 }
1888                 if (hexstr) {
1889                         if (!isxdigit((u_char)val[0])) {
1890                                 warnx("bad hexadecimal digits");
1891                                 return NULL;
1892                         }
1893                         if (!isxdigit((u_char)val[1])) {
1894                                 warnx("odd count hexadecimal digits");
1895                                 return NULL;
1896                         }
1897                 }
1898                 if (p >= buf + len) {
1899                         if (hexstr)
1900                                 warnx("hexadecimal digits too long");
1901                         else
1902                                 warnx("string too long");
1903                         return NULL;
1904                 }
1905                 if (hexstr) {
1906 #define tohex(x)        (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
1907                         *p++ = (tohex((u_char)val[0]) << 4) |
1908                             tohex((u_char)val[1]);
1909 #undef tohex
1910                         val += 2;
1911                 } else
1912                         *p++ = *val++;
1913         }
1914         len = p - buf;
1915         /* The string "-" is treated as the empty string. */
1916         if (!hexstr && len == 1 && buf[0] == '-')
1917                 len = 0;
1918         if (len < *lenp)
1919                 memset(p, 0, *lenp - len);
1920         *lenp = len;
1921         return val;
1922 }
1923
1924 static void
1925 print_string(const u_int8_t *buf, int len)
1926 {
1927         int i;
1928         int hasspc;
1929
1930         i = 0;
1931         hasspc = 0;
1932         for (; i < len; i++) {
1933                 if (!isprint(buf[i]) && buf[i] != '\0')
1934                         break;
1935                 if (isspace(buf[i]))
1936                         hasspc++;
1937         }
1938         if (i == len) {
1939                 if (hasspc || len == 0 || buf[0] == '\0')
1940                         printf("\"%.*s\"", len, buf);
1941                 else
1942                         printf("%.*s", len, buf);
1943         } else {
1944                 printf("0x");
1945                 for (i = 0; i < len; i++)
1946                         printf("%02x", buf[i]);
1947         }
1948 }
1949
1950 static struct cmd ieee80211_cmds[] = {
1951         DEF_CMD_ARG("ssid",             set80211ssid),
1952         DEF_CMD_ARG("nwid",             set80211ssid),
1953         DEF_CMD_ARG("stationname",      set80211stationname),
1954         DEF_CMD_ARG("station",          set80211stationname),   /* BSD/OS */
1955         DEF_CMD_ARG("channel",          set80211channel),
1956         DEF_CMD_ARG("authmode",         set80211authmode),
1957         DEF_CMD_ARG("powersavemode",    set80211powersavemode),
1958         DEF_CMD("powersave",    1,      set80211powersave),
1959         DEF_CMD("-powersave",   0,      set80211powersave),
1960         DEF_CMD_ARG("powersavesleep",   set80211powersavesleep),
1961         DEF_CMD_ARG("wepmode",          set80211wepmode),
1962         DEF_CMD("wep",          1,      set80211wep),
1963         DEF_CMD("-wep",         0,      set80211wep),
1964         DEF_CMD_ARG("deftxkey",         set80211weptxkey),
1965         DEF_CMD_ARG("weptxkey",         set80211weptxkey),
1966         DEF_CMD_ARG("wepkey",           set80211wepkey),
1967         DEF_CMD_ARG("nwkey",            set80211nwkey),         /* NetBSD */
1968         DEF_CMD("-nwkey",       0,      set80211wep),           /* NetBSD */
1969         DEF_CMD_ARG("rtsthreshold",     set80211rtsthreshold),
1970         DEF_CMD_ARG("protmode",         set80211protmode),
1971         DEF_CMD_ARG("txpower",          set80211txpower),
1972         DEF_CMD_ARG("roaming",          set80211roaming),
1973         DEF_CMD("wme",          1,      set80211wme),
1974         DEF_CMD("-wme",         0,      set80211wme),
1975         DEF_CMD("hidessid",     1,      set80211hidessid),
1976         DEF_CMD("-hidessid",    0,      set80211hidessid),
1977         DEF_CMD("apbridge",     1,      set80211apbridge),
1978         DEF_CMD("-apbridge",    0,      set80211apbridge),
1979         DEF_CMD_ARG("chanlist",         set80211chanlist),
1980         DEF_CMD_ARG("bssid",            set80211bssid),
1981         DEF_CMD_ARG("ap",               set80211bssid),
1982         DEF_CMD("scan", 0,              set80211scan),
1983         DEF_CMD_ARG("list",             set80211list),
1984         DEF_CMD_ARG2("cwmin",           set80211cwmin),
1985         DEF_CMD_ARG2("cwmax",           set80211cwmax),
1986         DEF_CMD_ARG2("aifs",            set80211aifs),
1987         DEF_CMD_ARG2("txoplimit",       set80211txoplimit),
1988         DEF_CMD_ARG("acm",              set80211acm),
1989         DEF_CMD_ARG("-acm",             set80211noacm),
1990         DEF_CMD_ARG("ack",              set80211ackpolicy),
1991         DEF_CMD_ARG("-ack",             set80211noackpolicy),
1992         DEF_CMD_ARG2("bss:cwmin",       set80211bsscwmin),
1993         DEF_CMD_ARG2("bss:cwmax",       set80211bsscwmax),
1994         DEF_CMD_ARG2("bss:aifs",        set80211bssaifs),
1995         DEF_CMD_ARG2("bss:txoplimit",   set80211bsstxoplimit),
1996         DEF_CMD_ARG("dtimperiod",       set80211dtimperiod),
1997         DEF_CMD_ARG("bintval",          set80211bintval),
1998         DEF_CMD("mac:open",     IEEE80211_MACCMD_POLICY_OPEN,   set80211maccmd),
1999         DEF_CMD("mac:allow",    IEEE80211_MACCMD_POLICY_ALLOW,  set80211maccmd),
2000         DEF_CMD("mac:deny",     IEEE80211_MACCMD_POLICY_DENY,   set80211maccmd),
2001         DEF_CMD("mac:flush",    IEEE80211_MACCMD_FLUSH,         set80211maccmd),
2002         DEF_CMD("mac:detach",   IEEE80211_MACCMD_DETACH,        set80211maccmd),
2003         DEF_CMD_ARG("mac:add",          set80211addmac),
2004         DEF_CMD_ARG("mac:del",          set80211delmac),
2005         DEF_CMD_ARG("mac:kick",         set80211kickmac),
2006         DEF_CMD("pureg",        1,      set80211pureg),
2007         DEF_CMD("-pureg",       0,      set80211pureg),
2008         DEF_CMD_ARG("mcastrate",        set80211mcastrate),
2009         DEF_CMD_ARG("fragthreshold",    set80211fragthreshold),
2010         DEF_CMD("burst",        1,      set80211burst),
2011         DEF_CMD("-burst",       0,      set80211burst),
2012         DEF_CMD_ARG("bmiss",            set80211bmissthreshold),
2013         DEF_CMD_ARG("bmissthreshold",   set80211bmissthreshold),
2014 };
2015 static struct afswtch af_ieee80211 = {
2016         .af_name        = "af_ieee80211",
2017         .af_af          = AF_UNSPEC,
2018         .af_other_status = ieee80211_status,
2019 };
2020
2021 static __constructor void
2022 ieee80211_ctor(void)
2023 {
2024 #define N(a)    (sizeof(a) / sizeof(a[0]))
2025         int i;
2026
2027         for (i = 0; i < N(ieee80211_cmds);  i++)
2028                 cmd_register(&ieee80211_cmds[i]);
2029         af_register(&af_ieee80211);
2030 #undef N
2031 }