contrib/package/iwinfo/src/iwinfo_madwifi.c

   1 /*
   2  * iwinfo - Wireless Information Library - Madwifi Backend
   3  *
   4  *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
   5  *
   6  * The iwinfo library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License version 2
   8  * as published by the Free Software Foundation.
   9  *
  10  * The iwinfo library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
  17  *
  18  * The signal handling code is derived from the official madwifi tools,
  19  * wlanconfig.c in particular. The encryption property handling was
  20  * inspired by the hostapd madwifi driver.
  21  */
  22
  23 #include "iwinfo_madwifi.h"
  24 #include "iwinfo_wext.h"
  25
  26
  27 /*
  28  * Madwifi ISO 3166 to Country/Region Code mapping.
  29  */
  30
  31 static struct ISO3166_to_CCode
  32 {
  33         u_int16_t iso3166;
  34         u_int16_t ccode;
  35 } CountryCodes[] = {
  36         { 0x3030 /* 00 */,   0 }, /* World */
  37         { 0x4145 /* AE */, 784 }, /* U.A.E. */
  38         { 0x414C /* AL */,   8 }, /* Albania */
  39         { 0x414D /* AM */,  51 }, /* Armenia */
  40         { 0x4152 /* AR */,  32 }, /* Argentina */
  41         { 0x4154 /* AT */,  40 }, /* Austria */
  42         { 0x4155 /* AU */,  36 }, /* Australia */
  43         { 0x415A /* AZ */,  31 }, /* Azerbaijan */
  44         { 0x4245 /* BE */,  56 }, /* Belgium */
  45         { 0x4247 /* BG */, 100 }, /* Bulgaria */
  46         { 0x4248 /* BH */,  48 }, /* Bahrain */
  47         { 0x424E /* BN */,  96 }, /* Brunei Darussalam */
  48         { 0x424F /* BO */,  68 }, /* Bolivia */
  49         { 0x4252 /* BR */,  76 }, /* Brazil */
  50         { 0x4259 /* BY */, 112 }, /* Belarus */
  51         { 0x425A /* BZ */,  84 }, /* Belize */
  52         { 0x4341 /* CA */, 124 }, /* Canada */
  53         { 0x4348 /* CH */, 756 }, /* Switzerland */
  54         { 0x434C /* CL */, 152 }, /* Chile */
  55         { 0x434E /* CN */, 156 }, /* People's Republic of China */
  56         { 0x434F /* CO */, 170 }, /* Colombia */
  57         { 0x4352 /* CR */, 188 }, /* Costa Rica */
  58         { 0x4359 /* CY */, 196 }, /* Cyprus */
  59         { 0x435A /* CZ */, 203 }, /* Czech Republic */
  60         { 0x4445 /* DE */, 276 }, /* Germany */
  61         { 0x444B /* DK */, 208 }, /* Denmark */
  62         { 0x444F /* DO */, 214 }, /* Dominican Republic */
  63         { 0x445A /* DZ */,  12 }, /* Algeria */
  64         { 0x4543 /* EC */, 218 }, /* Ecuador */
  65         { 0x4545 /* EE */, 233 }, /* Estonia */
  66         { 0x4547 /* EG */, 818 }, /* Egypt */
  67         { 0x4553 /* ES */, 724 }, /* Spain */
  68         { 0x4649 /* FI */, 246 }, /* Finland */
  69         { 0x464F /* FO */, 234 }, /* Faeroe Islands */
  70         { 0x4652 /* FR */, 250 }, /* France */
  71         { 0x4652 /* FR */, 255 }, /* France2 */
  72         { 0x4742 /* GB */, 826 }, /* United Kingdom */
  73         { 0x4745 /* GE */, 268 }, /* Georgia */
  74         { 0x4752 /* GR */, 300 }, /* Greece */
  75         { 0x4754 /* GT */, 320 }, /* Guatemala */
  76         { 0x484B /* HK */, 344 }, /* Hong Kong S.A.R., P.R.C. */
  77         { 0x484E /* HN */, 340 }, /* Honduras */
  78         { 0x4852 /* HR */, 191 }, /* Croatia */
  79         { 0x4855 /* HU */, 348 }, /* Hungary */
  80         { 0x4944 /* ID */, 360 }, /* Indonesia */
  81         { 0x4945 /* IE */, 372 }, /* Ireland */
  82         { 0x494C /* IL */, 376 }, /* Israel */
  83         { 0x494E /* IN */, 356 }, /* India */
  84         { 0x4951 /* IQ */, 368 }, /* Iraq */
  85         { 0x4952 /* IR */, 364 }, /* Iran */
  86         { 0x4953 /* IS */, 352 }, /* Iceland */
  87         { 0x4954 /* IT */, 380 }, /* Italy */
  88         { 0x4A4D /* JM */, 388 }, /* Jamaica */
  89         { 0x4A4F /* JO */, 400 }, /* Jordan */
  90         { 0x4A50 /* JP */, 392 }, /* Japan */
  91         { 0x4A50 /* JP */, 393 }, /* Japan (JP1) */
  92         { 0x4A50 /* JP */, 394 }, /* Japan (JP0) */
  93         { 0x4A50 /* JP */, 395 }, /* Japan (JP1-1) */
  94         { 0x4A50 /* JP */, 396 }, /* Japan (JE1) */
  95         { 0x4A50 /* JP */, 397 }, /* Japan (JE2) */
  96         { 0x4A50 /* JP */, 399 }, /* Japan (JP6) */
  97         { 0x4A50 /* JP */, 900 }, /* Japan */
  98         { 0x4A50 /* JP */, 901 }, /* Japan */
  99         { 0x4A50 /* JP */, 902 }, /* Japan */
 100         { 0x4A50 /* JP */, 903 }, /* Japan */
 101         { 0x4A50 /* JP */, 904 }, /* Japan */
 102         { 0x4A50 /* JP */, 905 }, /* Japan */
 103         { 0x4A50 /* JP */, 906 }, /* Japan */
 104         { 0x4A50 /* JP */, 907 }, /* Japan */
 105         { 0x4A50 /* JP */, 908 }, /* Japan */
 106         { 0x4A50 /* JP */, 909 }, /* Japan */
 107         { 0x4A50 /* JP */, 910 }, /* Japan */
 108         { 0x4A50 /* JP */, 911 }, /* Japan */
 109         { 0x4A50 /* JP */, 912 }, /* Japan */
 110         { 0x4A50 /* JP */, 913 }, /* Japan */
 111         { 0x4A50 /* JP */, 914 }, /* Japan */
 112         { 0x4A50 /* JP */, 915 }, /* Japan */
 113         { 0x4A50 /* JP */, 916 }, /* Japan */
 114         { 0x4A50 /* JP */, 917 }, /* Japan */
 115         { 0x4A50 /* JP */, 918 }, /* Japan */
 116         { 0x4A50 /* JP */, 919 }, /* Japan */
 117         { 0x4A50 /* JP */, 920 }, /* Japan */
 118         { 0x4A50 /* JP */, 921 }, /* Japan */
 119         { 0x4A50 /* JP */, 922 }, /* Japan */
 120         { 0x4A50 /* JP */, 923 }, /* Japan */
 121         { 0x4A50 /* JP */, 924 }, /* Japan */
 122         { 0x4A50 /* JP */, 925 }, /* Japan */
 123         { 0x4A50 /* JP */, 926 }, /* Japan */
 124         { 0x4A50 /* JP */, 927 }, /* Japan */
 125         { 0x4A50 /* JP */, 928 }, /* Japan */
 126         { 0x4A50 /* JP */, 929 }, /* Japan */
 127         { 0x4A50 /* JP */, 930 }, /* Japan */
 128         { 0x4A50 /* JP */, 931 }, /* Japan */
 129         { 0x4A50 /* JP */, 932 }, /* Japan */
 130         { 0x4A50 /* JP */, 933 }, /* Japan */
 131         { 0x4A50 /* JP */, 934 }, /* Japan */
 132         { 0x4A50 /* JP */, 935 }, /* Japan */
 133         { 0x4A50 /* JP */, 936 }, /* Japan */
 134         { 0x4A50 /* JP */, 937 }, /* Japan */
 135         { 0x4A50 /* JP */, 938 }, /* Japan */
 136         { 0x4A50 /* JP */, 939 }, /* Japan */
 137         { 0x4A50 /* JP */, 940 }, /* Japan */
 138         { 0x4A50 /* JP */, 941 }, /* Japan */
 139         { 0x4B45 /* KE */, 404 }, /* Kenya */
 140         { 0x4B50 /* KP */, 408 }, /* North Korea */
 141         { 0x4B52 /* KR */, 410 }, /* South Korea */
 142         { 0x4B52 /* KR */, 411 }, /* South Korea */
 143         { 0x4B57 /* KW */, 414 }, /* Kuwait */
 144         { 0x4B5A /* KZ */, 398 }, /* Kazakhstan */
 145         { 0x4C42 /* LB */, 422 }, /* Lebanon */
 146         { 0x4C49 /* LI */, 438 }, /* Liechtenstein */
 147         { 0x4C54 /* LT */, 440 }, /* Lithuania */
 148         { 0x4C55 /* LU */, 442 }, /* Luxembourg */
 149         { 0x4C56 /* LV */, 428 }, /* Latvia */
 150         { 0x4C59 /* LY */, 434 }, /* Libya */
 151         { 0x4D41 /* MA */, 504 }, /* Morocco */
 152         { 0x4D43 /* MC */, 492 }, /* Principality of Monaco */
 153         { 0x4D4B /* MK */, 807 }, /* the Former Yugoslav Republic of Macedonia */
 154         { 0x4D4F /* MO */, 446 }, /* Macau */
 155         { 0x4D58 /* MX */, 484 }, /* Mexico */
 156         { 0x4D59 /* MY */, 458 }, /* Malaysia */
 157         { 0x4E49 /* NI */, 558 }, /* Nicaragua */
 158         { 0x4E4C /* NL */, 528 }, /* Netherlands */
 159         { 0x4E4F /* NO */, 578 }, /* Norway */
 160         { 0x4E5A /* NZ */, 554 }, /* New Zealand */
 161         { 0x4F4D /* OM */, 512 }, /* Oman */
 162         { 0x5041 /* PA */, 591 }, /* Panama */
 163         { 0x5045 /* PE */, 604 }, /* Peru */
 164         { 0x5048 /* PH */, 608 }, /* Republic of the Philippines */
 165         { 0x504B /* PK */, 586 }, /* Islamic Republic of Pakistan */
 166         { 0x504C /* PL */, 616 }, /* Poland */
 167         { 0x5052 /* PR */, 630 }, /* Puerto Rico */
 168         { 0x5054 /* PT */, 620 }, /* Portugal */
 169         { 0x5059 /* PY */, 600 }, /* Paraguay */
 170         { 0x5141 /* QA */, 634 }, /* Qatar */
 171         { 0x524F /* RO */, 642 }, /* Romania */
 172         { 0x5255 /* RU */, 643 }, /* Russia */
 173         { 0x5341 /* SA */, 682 }, /* Saudi Arabia */
 174         { 0x5345 /* SE */, 752 }, /* Sweden */
 175         { 0x5347 /* SG */, 702 }, /* Singapore */
 176         { 0x5349 /* SI */, 705 }, /* Slovenia */
 177         { 0x534B /* SK */, 703 }, /* Slovak Republic */
 178         { 0x5356 /* SV */, 222 }, /* El Salvador */
 179         { 0x5359 /* SY */, 760 }, /* Syria */
 180         { 0x5448 /* TH */, 764 }, /* Thailand */
 181         { 0x544E /* TN */, 788 }, /* Tunisia */
 182         { 0x5452 /* TR */, 792 }, /* Turkey */
 183         { 0x5454 /* TT */, 780 }, /* Trinidad y Tobago */
 184         { 0x5457 /* TW */, 158 }, /* Taiwan */
 185         { 0x5541 /* UA */, 804 }, /* Ukraine */
 186         { 0x554B /* UK */, 826 }, /* United Kingdom */
 187         { 0x5553 /* US */, 840 }, /* United States */
 188         { 0x5553 /* US */, 842 }, /* United States (Public Safety)*/
 189         { 0x5559 /* UY */, 858 }, /* Uruguay */
 190         { 0x555A /* UZ */, 860 }, /* Uzbekistan */
 191         { 0x5645 /* VE */, 862 }, /* Venezuela */
 192         { 0x564E /* VN */, 704 }, /* Viet Nam */
 193         { 0x5945 /* YE */, 887 }, /* Yemen */
 194         { 0x5A41 /* ZA */, 710 }, /* South Africa */
 195         { 0x5A57 /* ZW */, 716 }, /* Zimbabwe */
 196 };
 197
 198
 199 static int ioctl_socket = -1;
 200
 201 static int madwifi_ioctl(struct iwreq *wrq, const char *ifname, int cmd, void *data, size_t len)
 202 {
 203         /* prepare socket */
 204         if( ioctl_socket == -1 )
 205         {
 206                 ioctl_socket = socket(AF_INET, SOCK_DGRAM, 0);
 207                 fcntl(ioctl_socket, F_SETFD, fcntl(ioctl_socket, F_GETFD) | FD_CLOEXEC);
 208         }
 209
 210         strncpy(wrq->ifr_name, ifname, IFNAMSIZ);
 211
 212         if( data != NULL )
 213         {
 214                 if( len < IFNAMSIZ )
 215                 {
 216                         memcpy(wrq->u.name, data, len);
 217                 }
 218                 else
 219                 {
 220                         wrq->u.data.pointer = data;
 221                         wrq->u.data.length = len;
 222                 }
 223         }
 224
 225         return ioctl(ioctl_socket, cmd, wrq);
 226 }
 227
 228 static int get80211priv(const char *ifname, int op, void *data, size_t len)
 229 {
 230         struct iwreq iwr;
 231
 232         if( madwifi_ioctl(&iwr, ifname, op, data, len) < 0 )
 233                 return -1;
 234
 235         return iwr.u.data.length;
 236 }
 237
 238 static char * madwifi_isvap(const char *ifname, const char *wifiname)
 239 {
 240         int fd, ln;
 241         char path[32];
 242         char *ret = NULL;
 243         static char name[IFNAMSIZ];
 244
 245         if( strlen(ifname) <= 9 )
 246         {
 247                 sprintf(path, "/proc/sys/net/%s/%%parent", ifname);
 248
 249                 if( (fd = open(path, O_RDONLY)) > -1 )
 250                 {
 251                         if( wifiname != NULL )
 252                         {
 253                                 if( read(fd, name, strlen(wifiname)) == strlen(wifiname) )
 254                                         ret = strncmp(name, wifiname, strlen(wifiname))
 255                                                 ? NULL : name;
 256                         }
 257                         else if( (ln = read(fd, name, IFNAMSIZ)) >= 4 )
 258                         {
 259                                 name[ln-1] = 0;
 260                                 ret = name;
 261                         }
 262
 263                         (void) close(fd);
 264                 }
 265         }
 266
 267         return ret;
 268 }
 269
 270 static int madwifi_iswifi(const char *ifname)
 271 {
 272         int ret;
 273         char path[32];
 274         struct stat s;
 275
 276         ret = 0;
 277
 278         if( strlen(ifname) <= 7 )
 279         {
 280                 sprintf(path, "/proc/sys/dev/%s/diversity", ifname);
 281
 282                 if( ! stat(path, &s) )
 283                         ret = (s.st_mode & S_IFREG);
 284         }
 285
 286         return ret;
 287 }
 288
 289
 290 int madwifi_probe(const char *ifname)
 291 {
 292         return ( !!madwifi_isvap(ifname, NULL) || madwifi_iswifi(ifname) );
 293 }
 294
 295 int madwifi_get_mode(const char *ifname, char *buf)
 296 {
 297         return wext_get_mode(ifname, buf);
 298 }
 299
 300 int madwifi_get_ssid(const char *ifname, char *buf)
 301 {
 302         return wext_get_ssid(ifname, buf);
 303 }
 304
 305 int madwifi_get_bssid(const char *ifname, char *buf)
 306 {
 307         return wext_get_bssid(ifname, buf);
 308 }
 309
 310 int madwifi_get_channel(const char *ifname, int *buf)
 311 {
 312         int i;
 313         uint16_t freq;
 314         struct iwreq wrq;
 315         struct ieee80211req_chaninfo chans;
 316
 317         if( madwifi_ioctl(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 )
 318         {
 319                 /* Madwifi returns a Hz frequency, get it's freq list to find channel index */
 320                 freq = (uint16_t)(wrq.u.freq.m / 100000);
 321
 322                 if( get80211priv(ifname, IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans)) >= 0 )
 323                 {
 324                         *buf = 0;
 325
 326                         for( i = 0; i < chans.ic_nchans; i++ )
 327                         {
 328                                 if( freq == chans.ic_chans[i].ic_freq )
 329                                 {
 330                                         *buf = chans.ic_chans[i].ic_ieee;
 331                                         break;
 332                                 }
 333                         }
 334
 335                         return 0;
 336                 }
 337         }
 338
 339         return -1;
 340 }
 341
 342 int madwifi_get_frequency(const char *ifname, int *buf)
 343 {
 344         struct iwreq wrq;
 345
 346         if( madwifi_ioctl(&wrq, ifname, SIOCGIWFREQ, NULL, 0) >= 0 )
 347         {
 348                 *buf = (uint16_t)(wrq.u.freq.m / 100000);
 349                 return 0;
 350         }
 351
 352         return -1;
 353 }
 354
 355 int madwifi_get_txpower(const char *ifname, int *buf)
 356 {
 357         return wext_get_txpower(ifname, buf);
 358 }
 359
 360 int madwifi_get_bitrate(const char *ifname, int *buf)
 361 {
 362         unsigned int mode, len, rate, rate_count;
 363         uint8_t tmp[24*1024];
 364         uint8_t *cp;
 365         struct iwreq wrq;
 366         struct ieee80211req_sta_info *si;
 367
 368         if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
 369         {
 370                 mode = wrq.u.mode;
 371
 372                 /* Calculate bitrate average from associated stations in ad-hoc mode */
 373                 if( mode == 1 )
 374                 {
 375                         rate = rate_count = 0;
 376
 377                         if( (len = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 )
 378                         {
 379                                 cp = tmp;
 380
 381                                 do {
 382                                         si = (struct ieee80211req_sta_info *) cp;
 383
 384                                         if( si->isi_rssi > 0 )
 385                                         {
 386                                                 rate_count++;
 387                                                 rate += ((si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL) / 2);
 388                                         }
 389
 390                                         cp   += si->isi_len;
 391                                         len  -= si->isi_len;
 392                                 } while (len >= sizeof(struct ieee80211req_sta_info));
 393                         }
 394
 395                         *buf = (rate == 0 || rate_count == 0) ? 0 : (rate / rate_count) * 1000;
 396                         return 0;
 397                 }
 398
 399                 /* Return whatever wext tells us ... */
 400                 return wext_get_bitrate(ifname, buf);
 401         }
 402
 403         return -1;
 404 }
 405
 406 int madwifi_get_signal(const char *ifname, int *buf)
 407 {
 408         unsigned int mode, len, rssi, rssi_count;
 409         uint8_t tmp[24*1024];
 410         uint8_t *cp;
 411         struct iwreq wrq;
 412         struct ieee80211req_sta_info *si;
 413
 414         if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
 415         {
 416                 mode = wrq.u.mode;
 417
 418                 /* Calculate signal average from associated stations in ap or ad-hoc mode */
 419                 if( mode == 1 )
 420                 {
 421                         rssi = rssi_count = 0;
 422
 423                         if( (len = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 )
 424                         {
 425                                 cp = tmp;
 426
 427                                 do {
 428                                         si = (struct ieee80211req_sta_info *) cp;
 429
 430                                         if( si->isi_rssi > 0 )
 431                                         {
 432                                                 rssi_count++;
 433                                                 rssi -= (si->isi_rssi - 95);
 434                                         }
 435
 436                                         cp   += si->isi_len;
 437                                         len  -= si->isi_len;
 438                                 } while (len >= sizeof(struct ieee80211req_sta_info));
 439                         }
 440
 441                         *buf = (rssi == 0 || rssi_count == 0) ? 1 : -(rssi / rssi_count);
 442                         return 0;
 443                 }
 444
 445                 /* Return whatever wext tells us ... */
 446                 return wext_get_signal(ifname, buf);
 447         }
 448
 449         return -1;
 450 }
 451
 452 int madwifi_get_noise(const char *ifname, int *buf)
 453 {
 454         return wext_get_noise(ifname, buf);
 455 }
 456
 457 int madwifi_get_quality(const char *ifname, int *buf)
 458 {
 459         unsigned int mode, len, quality, quality_count;
 460         uint8_t tmp[24*1024];
 461         uint8_t *cp;
 462         struct iwreq wrq;
 463         struct ieee80211req_sta_info *si;
 464
 465         if( madwifi_ioctl(&wrq, ifname, SIOCGIWMODE, NULL, 0) >= 0 )
 466         {
 467                 mode = wrq.u.mode;
 468
 469                 /* Calculate signal average from associated stations in ad-hoc mode */
 470                 if( mode == 1 )
 471                 {
 472                         quality = quality_count = 0;
 473
 474                         if( (len = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 )
 475                         {
 476                                 cp = tmp;
 477
 478                                 do {
 479                                         si = (struct ieee80211req_sta_info *) cp;
 480
 481                                         if( si->isi_rssi > 0 )
 482                                         {
 483                                                 quality_count++;
 484                                                 quality += si->isi_rssi;
 485                                         }
 486
 487                                         cp   += si->isi_len;
 488                                         len  -= si->isi_len;
 489                                 } while (len >= sizeof(struct ieee80211req_sta_info));
 490                         }
 491
 492                         *buf = (quality == 0 || quality_count == 0) ? 0 : (quality / quality_count);
 493                         return 0;
 494                 }
 495
 496                 /* Return whatever wext tells us ... */
 497                 return wext_get_quality(ifname, buf);
 498         }
 499
 500         return -1;
 501 }
 502
 503 int madwifi_get_quality_max(const char *ifname, int *buf)
 504 {
 505         return wext_get_quality_max(ifname, buf);
 506 }
 507
 508 int madwifi_get_encryption(const char *ifname, char *buf)
 509 {
 510         int ciphers = 0, key_type = 0, key_len = 0;
 511         struct iwinfo_crypto_entry *c = (struct iwinfo_crypto_entry *)buf;
 512         struct iwreq wrq;
 513         struct ieee80211req_key wk;
 514
 515         memset(&wrq, 0, sizeof(wrq));
 516         memset(&wk, 0, sizeof(wk));
 517         memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
 518
 519         /* Get key information */
 520         if( get80211priv(ifname, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk)) >= 0 )
 521         {
 522                 key_type = wk.ik_type;
 523
 524                 /* Type 0 == WEP */
 525                 if( key_type == 0 )
 526                         c->auth_algs = (IWINFO_AUTH_OPEN | IWINFO_AUTH_SHARED);
 527         }
 528
 529         /* Get wpa protocol version */
 530         wrq.u.mode = IEEE80211_PARAM_WPA;
 531         if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
 532                 c->wpa_version = wrq.u.mode;
 533
 534         /* Get authentication suites */
 535         wrq.u.mode = IEEE80211_PARAM_AUTHMODE;
 536         if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
 537         {
 538                 switch(wrq.u.mode) {
 539                         case IEEE80211_AUTH_8021X:
 540                                 c->auth_suites |= IWINFO_KMGMT_8021x;
 541                                 break;
 542
 543                         case IEEE80211_AUTH_WPA:
 544                                 c->auth_suites |= IWINFO_KMGMT_PSK;
 545                                 break;
 546
 547                         default:
 548                                 c->auth_suites |= IWINFO_KMGMT_NONE;
 549                                 break;
 550                 }
 551         }
 552
 553         /* Get group key length */
 554         wrq.u.mode = IEEE80211_PARAM_MCASTKEYLEN;
 555         if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
 556                 key_len = wrq.u.mode;
 557
 558         /* Get used pairwise ciphers */
 559         wrq.u.mode = IEEE80211_PARAM_UCASTCIPHERS;
 560         if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
 561         {
 562                 ciphers = wrq.u.mode;
 563
 564                 if( ciphers & (1 << IEEE80211_CIPHER_TKIP) )
 565                         c->pair_ciphers |= IWINFO_CIPHER_TKIP;
 566
 567                 if( ciphers & (1 << IEEE80211_CIPHER_AES_CCM) )
 568                         c->pair_ciphers |= IWINFO_CIPHER_CCMP;
 569
 570                 if( ciphers & (1 << IEEE80211_CIPHER_AES_OCB) )
 571                         c->pair_ciphers |= IWINFO_CIPHER_AESOCB;
 572
 573                 if( ciphers & (1 << IEEE80211_CIPHER_CKIP) )
 574                         c->pair_ciphers |= IWINFO_CIPHER_CKIP;
 575
 576                 if( ciphers & (1 << IEEE80211_CIPHER_WEP) )
 577                 {
 578                         switch(key_len) {
 579                                 case 13:
 580                                         c->pair_ciphers |= IWINFO_CIPHER_WEP104;
 581                                         break;
 582
 583                                 case 5:
 584                                         c->pair_ciphers |= IWINFO_CIPHER_WEP40;
 585                                         break;
 586
 587                                 default:
 588                                         break;
 589                         }
 590                 }
 591
 592                 if( ciphers & (1 << IEEE80211_CIPHER_NONE) )
 593                         c->pair_ciphers |= IWINFO_CIPHER_NONE;
 594         }
 595
 596         /* Get used group cipher */
 597         wrq.u.mode = IEEE80211_PARAM_MCASTCIPHER;
 598         if( madwifi_ioctl(&wrq, ifname, IEEE80211_IOCTL_GETPARAM, NULL, 0) >= 0 )
 599         {
 600                 ciphers = wrq.u.mode;
 601
 602                 switch(wrq.u.mode) {
 603                         case IEEE80211_CIPHER_TKIP:
 604                                 c->group_ciphers |= IWINFO_CIPHER_TKIP;
 605                                 break;
 606
 607                         case IEEE80211_CIPHER_AES_CCM:
 608                                 c->group_ciphers |= IWINFO_CIPHER_CCMP;
 609                                 break;
 610
 611                         case IEEE80211_CIPHER_AES_OCB:
 612                                 c->group_ciphers |= IWINFO_CIPHER_AESOCB;
 613                                 break;
 614
 615                         case IEEE80211_CIPHER_CKIP:
 616                                 c->group_ciphers |= IWINFO_CIPHER_CKIP;
 617                                 break;
 618
 619                         case IEEE80211_CIPHER_WEP:
 620                                 switch(key_len) {
 621                                         case 13:
 622                                                 c->group_ciphers |= IWINFO_CIPHER_WEP104;
 623                                                 break;
 624
 625                                         case 5:
 626                                                 c->group_ciphers |= IWINFO_CIPHER_WEP40;
 627                                                 break;
 628
 629                                         default:
 630                                                 break;
 631                                 }
 632                                 break;
 633
 634                         case IEEE80211_CIPHER_NONE:
 635                                 c->group_ciphers |= IWINFO_CIPHER_NONE;
 636                                 break;
 637
 638                         default:
 639                                 break;
 640                 }
 641         }
 642
 643         c->enabled = (c->wpa_version || c->auth_algs) ? 1 : 0;
 644
 645         return 0;
 646 }
 647
 648 int madwifi_get_assoclist(const char *ifname, char *buf, int *len)
 649 {
 650         int bl, tl, noise;
 651         uint8_t *cp;
 652         uint8_t tmp[24*1024];
 653         struct ieee80211req_sta_info *si;
 654         struct iwinfo_assoclist_entry entry;
 655
 656         if( (tl = get80211priv(ifname, IEEE80211_IOCTL_STA_INFO, tmp, 24*1024)) > 0 )
 657         {
 658                 cp = tmp;
 659                 bl = 0;
 660
 661                 if( madwifi_get_noise(ifname, &noise) )
 662                         noise = 0;
 663
 664                 do {
 665                         si = (struct ieee80211req_sta_info *) cp;
 666
 667                         entry.signal = (si->isi_rssi - 95);
 668                         entry.noise  = noise;
 669                         memcpy(entry.mac, &si->isi_macaddr, 6);
 670                         memcpy(&buf[bl], &entry, sizeof(struct iwinfo_assoclist_entry));
 671
 672                         bl += sizeof(struct iwinfo_assoclist_entry);
 673                         cp += si->isi_len;
 674                         tl -= si->isi_len;
 675                 } while (tl >= sizeof(struct ieee80211req_sta_info));
 676
 677                 *len = bl;
 678                 return 0;
 679         }
 680
 681         return -1;
 682 }
 683
 684 int madwifi_get_txpwrlist(const char *ifname, char *buf, int *len)
 685 {
 686         int rc = -1;
 687         char cmd[256];
 688
 689         /* A wifiX device? */
 690         if( madwifi_iswifi(ifname) )
 691         {
 692                 sprintf(cmd, "wlanconfig ath-txpwr create nounit "
 693                         "wlandev %s wlanmode ap >/dev/null", ifname);
 694
 695                 if( ! WEXITSTATUS(system(cmd)) )
 696                 {
 697                         rc = wext_get_txpwrlist("ath-txpwr", buf, len);
 698                         (void) WEXITSTATUS(system("wlanconfig ath-txpwr destroy"));
 699                 }
 700         }
 701
 702         /* Its an athX ... */
 703         else if( !!madwifi_isvap(ifname, NULL) )
 704         {
 705                 rc = wext_get_txpwrlist(ifname, buf, len);
 706         }
 707
 708         return rc;
 709 }
 710
 711 int madwifi_get_scanlist(const char *ifname, char *buf, int *len)
 712 {
 713         int ret;
 714         char cmd[256];
 715         DIR *proc;
 716         struct dirent *e;
 717
 718         ret = -1;
 719
 720         /* We got a wifiX device passed, try to lookup a vap on it */
 721         if( madwifi_iswifi(ifname) )
 722         {
 723                 if( (proc = opendir("/proc/sys/net/")) != NULL )
 724                 {
 725                         while( (e = readdir(proc)) != NULL )
 726                         {
 727                                 if( !!madwifi_isvap(e->d_name, ifname) )
 728                                 {
 729                                         sprintf(cmd, "ifconfig %s up", e->d_name);
 730
 731                                         if( ! WEXITSTATUS(system(cmd)) )
 732                                         {
 733                                                 ret = wext_get_scanlist(e->d_name, buf, len);
 734                                                 break;
 735                                         }
 736                                 }
 737                         }
 738
 739                         closedir(proc);
 740                 }
 741
 742                 /* Still nothing found, try to create a vap */
 743                 if( ret == -1 )
 744                 {
 745                         sprintf(cmd, "wlanconfig ath-scan create nounit "
 746                                 "wlandev %s wlanmode sta >/dev/null", ifname);
 747
 748                         if( ! WEXITSTATUS(system(cmd)) && ! WEXITSTATUS(system("ifconfig ath-scan up")) )
 749                         {
 750                                 ret = wext_get_scanlist("ath-scan", buf, len);
 751
 752                                 (void) WEXITSTATUS(system("ifconfig ath-scan down"));
 753                                 (void) WEXITSTATUS(system("wlanconfig ath-scan destroy"));
 754                         }
 755                 }
 756         }
 757
 758         /* Got athX device? */
 759         else if( !!madwifi_isvap(ifname, NULL) )
 760         {
 761                 ret = wext_get_scanlist(ifname, buf, len);
 762         }
 763
 764         return ret;
 765 }
 766
 767 int madwifi_get_freqlist(const char *ifname, char *buf, int *len)
 768 {
 769         int i, bl;
 770         int rc = -1;
 771         char cmd[256];
 772         struct ieee80211req_chaninfo chans;
 773         struct iwinfo_freqlist_entry entry;
 774
 775         /* A wifiX device? */
 776         if( madwifi_iswifi(ifname) )
 777         {
 778                 sprintf(cmd, "wlanconfig ath-channels create nounit "
 779                         "wlandev %s wlanmode ap >/dev/null", ifname);
 780
 781                 if( ! WEXITSTATUS(system(cmd)) )
 782                 {
 783                         rc = get80211priv("ath-channels", IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans));
 784                         (void) WEXITSTATUS(system("wlanconfig ath-channels destroy"));
 785                 }
 786         }
 787
 788         /* Its an athX ... */
 789         else if( !!madwifi_isvap(ifname, NULL) )
 790         {
 791                 rc = get80211priv(ifname, IEEE80211_IOCTL_GETCHANINFO, &chans, sizeof(chans));
 792         }
 793
 794
 795         /* Got chaninfo? */
 796         if( rc >= 0 )
 797         {
 798                 bl = 0;
 799
 800                 for( i = 0; i < chans.ic_nchans; i++ )
 801                 {
 802                         entry.mhz     = chans.ic_chans[i].ic_freq;
 803                         entry.channel = chans.ic_chans[i].ic_ieee;
 804
 805                         memcpy(&buf[bl], &entry, sizeof(struct iwinfo_freqlist_entry));
 806                         bl += sizeof(struct iwinfo_freqlist_entry);
 807                 }
 808
 809                 *len = bl;
 810                 return 0;
 811         }
 812
 813         return -1;
 814 }
 815
 816 int madwifi_get_country(const char *ifname, char *buf)
 817 {
 818         int i, fd, ccode = -1;
 819         char buffer[34];
 820         char *wifi = madwifi_iswifi(ifname)
 821                 ? (char *)ifname : madwifi_isvap(ifname, NULL);
 822
 823         struct ISO3166_to_CCode *e;
 824
 825         if( wifi )
 826         {
 827                 snprintf(buffer, sizeof(buffer), "/proc/sys/dev/%s/countrycode", wifi);
 828
 829                 if( (fd = open(buffer, O_RDONLY)) > -1 )
 830                 {
 831                         memset(buffer, 0, sizeof(buffer));
 832
 833                         if( read(fd, buffer, sizeof(buffer)-1) > 0 )
 834                                 ccode = atoi(buffer);
 835
 836                         close(fd);
 837                 }
 838         }
 839
 840         for( i = 0; i < (sizeof(CountryCodes)/sizeof(CountryCodes[0])); i++ )
 841         {
 842                 e = &CountryCodes[i];
 843
 844                 if( e->ccode == ccode )
 845                 {
 846                         sprintf(buf, "%c%c", e->iso3166 / 256, e->iso3166 % 256);
 847                         return 0;
 848                 }
 849         }
 850
 851         return -1;
 852 }
 853
 854 int madwifi_get_countrylist(const char *ifname, char *buf, int *len)
 855 {
 856         int i, count;
 857         struct ISO3166_to_CCode *e, *p = NULL;
 858         struct iwinfo_country_entry *c = (struct iwinfo_country_entry *)buf;
 859
 860         count = 0;
 861
 862         for( int i = 0; i < (sizeof(CountryCodes)/sizeof(CountryCodes[0])); i++ )
 863         {
 864                 e = &CountryCodes[i];
 865
 866                 if( !p || (e->iso3166 != p->iso3166) )
 867                 {
 868                         c->iso3166 = e->iso3166;
 869                         snprintf(c->ccode, sizeof(c->ccode), "%i", e->ccode);
 870
 871                         c++;
 872                         count++;
 873                 }
 874
 875                 p = e;
 876         }
 877
 878         *len = (count * sizeof(struct iwinfo_country_entry));
 879         return 0;
 880 }
 881
 882 int madwifi_get_mbssid_support(const char *ifname, int *buf)
 883 {
 884         /* We assume that multi bssid is always possible */
 885         *buf = 1;
 886         return 0;
 887 }