iwinfo_cli.c

   1 /*
   2  * iwinfo - Wireless Information Library - Command line frontend
   3  *
   4  *   Copyright (C) 2011 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
  19 #include <stdio.h>
  20 #include <glob.h>
  21
  22 #include "iwinfo.h"
  23
  24
  25 static char * format_bssid(unsigned char *mac)
  26 {
  27         static char buf[18];
  28
  29         snprintf(buf, sizeof(buf), "%02X:%02X:%02X:%02X:%02X:%02X",
  30                 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  31
  32         return buf;
  33 }
  34
  35 static char * format_ssid(char *ssid)
  36 {
  37         static char buf[IWINFO_ESSID_MAX_SIZE+3];
  38
  39         if (ssid && ssid[0])
  40                 snprintf(buf, sizeof(buf), "\"%s\"", ssid);
  41         else
  42                 snprintf(buf, sizeof(buf), "unknown");
  43
  44         return buf;
  45 }
  46
  47 static char * format_channel(int ch)
  48 {
  49         static char buf[8];
  50
  51         if (ch <= 0)
  52                 snprintf(buf, sizeof(buf), "unknown");
  53         else
  54                 snprintf(buf, sizeof(buf), "%d", ch);
  55
  56         return buf;
  57 }
  58
  59 static char * format_frequency(int freq)
  60 {
  61         static char buf[11];
  62
  63         if (freq <= 0)
  64                 snprintf(buf, sizeof(buf), "unknown");
  65         else
  66                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)freq / 1000.0));
  67
  68         return buf;
  69 }
  70
  71 static char * format_txpower(int pwr)
  72 {
  73         static char buf[10];
  74
  75         if (pwr < 0)
  76                 snprintf(buf, sizeof(buf), "unknown");
  77         else
  78                 snprintf(buf, sizeof(buf), "%d dBm", pwr);
  79
  80         return buf;
  81 }
  82
  83 static char * format_quality(int qual)
  84 {
  85         static char buf[8];
  86
  87         if (qual < 0)
  88                 snprintf(buf, sizeof(buf), "unknown");
  89         else
  90                 snprintf(buf, sizeof(buf), "%d", qual);
  91
  92         return buf;
  93 }
  94
  95 static char * format_quality_max(int qmax)
  96 {
  97         static char buf[8];
  98
  99         if (qmax < 0)
 100                 snprintf(buf, sizeof(buf), "unknown");
 101         else
 102                 snprintf(buf, sizeof(buf), "%d", qmax);
 103
 104         return buf;
 105 }
 106
 107 static char * format_signal(int sig)
 108 {
 109         static char buf[10];
 110
 111         if (!sig)
 112                 snprintf(buf, sizeof(buf), "unknown");
 113         else
 114                 snprintf(buf, sizeof(buf), "%d dBm", sig);
 115
 116         return buf;
 117 }
 118
 119 static char * format_noise(int noise)
 120 {
 121         static char buf[10];
 122
 123         if (!noise)
 124                 snprintf(buf, sizeof(buf), "unknown");
 125         else
 126                 snprintf(buf, sizeof(buf), "%d dBm", noise);
 127
 128         return buf;
 129 }
 130
 131 static char * format_rate(int rate)
 132 {
 133         static char buf[18];
 134
 135         if (rate <= 0)
 136                 snprintf(buf, sizeof(buf), "unknown");
 137         else
 138                 snprintf(buf, sizeof(buf), "%d.%d MBit/s",
 139                         rate / 1000, (rate % 1000) / 100);
 140
 141         return buf;
 142 }
 143
 144 static char * format_enc_ciphers(int ciphers)
 145 {
 146         static char str[128] = { 0 };
 147         char *pos = str;
 148
 149         if (ciphers & IWINFO_CIPHER_WEP40)
 150                 pos += sprintf(pos, "WEP-40, ");
 151
 152         if (ciphers & IWINFO_CIPHER_WEP104)
 153                 pos += sprintf(pos, "WEP-104, ");
 154
 155         if (ciphers & IWINFO_CIPHER_TKIP)
 156                 pos += sprintf(pos, "TKIP, ");
 157
 158         if (ciphers & IWINFO_CIPHER_CCMP)
 159                 pos += sprintf(pos, "CCMP, ");
 160
 161         if (ciphers & IWINFO_CIPHER_CCMP256)
 162                 pos += sprintf(pos, "CCMP-256, ");
 163
 164         if (ciphers & IWINFO_CIPHER_GCMP)
 165                 pos += sprintf(pos, "GCMP, ");
 166
 167         if (ciphers & IWINFO_CIPHER_GCMP256)
 168                 pos += sprintf(pos, "GCMP-256, ");
 169
 170         if (ciphers & IWINFO_CIPHER_WRAP)
 171                 pos += sprintf(pos, "WRAP, ");
 172
 173         if (ciphers & IWINFO_CIPHER_AESOCB)
 174                 pos += sprintf(pos, "AES-OCB, ");
 175
 176         if (ciphers & IWINFO_CIPHER_CKIP)
 177                 pos += sprintf(pos, "CKIP, ");
 178
 179         if (!ciphers || (ciphers & IWINFO_CIPHER_NONE))
 180                 pos += sprintf(pos, "NONE, ");
 181
 182         *(pos - 2) = 0;
 183
 184         return str;
 185 }
 186
 187 static char * format_enc_suites(int suites)
 188 {
 189         static char str[64] = { 0 };
 190         char *pos = str;
 191
 192         if (suites & IWINFO_KMGMT_PSK)
 193                 pos += sprintf(pos, "PSK/");
 194
 195         if (suites & IWINFO_KMGMT_8021x)
 196                 pos += sprintf(pos, "802.1X/");
 197
 198         if (suites & IWINFO_KMGMT_SAE)
 199                 pos += sprintf(pos, "SAE/");
 200
 201         if (suites & IWINFO_KMGMT_OWE)
 202                 pos += sprintf(pos, "OWE/");
 203
 204         if (!suites || (suites & IWINFO_KMGMT_NONE))
 205                 pos += sprintf(pos, "NONE/");
 206
 207         *(pos - 1) = 0;
 208
 209         return str;
 210 }
 211
 212 static char * format_encryption(struct iwinfo_crypto_entry *c)
 213 {
 214         static char buf[512];
 215         char *pos = buf;
 216         int i, n;
 217
 218         if (!c)
 219         {
 220                 snprintf(buf, sizeof(buf), "unknown");
 221         }
 222         else if (c->enabled)
 223         {
 224                 /* WEP */
 225                 if (c->auth_algs && !c->wpa_version)
 226                 {
 227                         if ((c->auth_algs & IWINFO_AUTH_OPEN) &&
 228                                 (c->auth_algs & IWINFO_AUTH_SHARED))
 229                         {
 230                                 snprintf(buf, sizeof(buf), "WEP Open/Shared (%s)",
 231                                         format_enc_ciphers(c->pair_ciphers));
 232                         }
 233                         else if (c->auth_algs & IWINFO_AUTH_OPEN)
 234                         {
 235                                 snprintf(buf, sizeof(buf), "WEP Open System (%s)",
 236                                         format_enc_ciphers(c->pair_ciphers));
 237                         }
 238                         else if (c->auth_algs & IWINFO_AUTH_SHARED)
 239                         {
 240                                 snprintf(buf, sizeof(buf), "WEP Shared Auth (%s)",
 241                                         format_enc_ciphers(c->pair_ciphers));
 242                         }
 243                 }
 244
 245                 /* WPA */
 246                 else if (c->wpa_version)
 247                 {
 248                         for (i = 0, n = 0; i < 3; i++)
 249                                 if (c->wpa_version & (1 << i))
 250                                         n++;
 251
 252                         if (n > 1)
 253                                 pos += sprintf(pos, "mixed ");
 254
 255                         for (i = 0; i < 3; i++)
 256                                 if (c->wpa_version & (1 << i))
 257                                         if (i)
 258                                                 pos += sprintf(pos, "WPA%d/", i + 1);
 259                                         else
 260                                                 pos += sprintf(pos, "WPA/");
 261
 262                         pos--;
 263
 264                         sprintf(pos, " %s (%s)",
 265                                 format_enc_suites(c->auth_suites),
 266                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 267                 }
 268                 else
 269                 {
 270                         snprintf(buf, sizeof(buf), "none");
 271                 }
 272         }
 273         else
 274         {
 275                 snprintf(buf, sizeof(buf), "none");
 276         }
 277
 278         return buf;
 279 }
 280
 281 static char * format_hwmodes(int modes)
 282 {
 283         static char buf[17];
 284
 285         if (modes <= 0)
 286                 snprintf(buf, sizeof(buf), "unknown");
 287         else
 288                 snprintf(buf, sizeof(buf), "802.11%s%s%s%s%s%s%s",
 289                         (modes & IWINFO_80211_A) ? "a" : "",
 290                         (modes & IWINFO_80211_B) ? "b" : "",
 291                         (modes & IWINFO_80211_G) ? "g" : "",
 292                         (modes & IWINFO_80211_N) ? "n" : "",
 293                         (modes & IWINFO_80211_AC) ? "ac" : "",
 294                         (modes & IWINFO_80211_AD) ? "ad" : "",
 295                         (modes & IWINFO_80211_AX) ? "ax" : "");
 296
 297         return buf;
 298 }
 299
 300 static char * format_assocrate(struct iwinfo_rate_entry *r)
 301 {
 302         static char buf[80];
 303         char *p = buf;
 304         int l = sizeof(buf);
 305
 306         if (r->rate <= 0)
 307         {
 308                 snprintf(buf, sizeof(buf), "unknown");
 309         }
 310         else
 311         {
 312                 p += snprintf(p, l, "%s", format_rate(r->rate));
 313                 l = sizeof(buf) - (p - buf);
 314
 315                 if (r->is_ht)
 316                 {
 317                         p += snprintf(p, l, ", MCS %d, %dMHz", r->mcs, r->mhz);
 318                         l = sizeof(buf) - (p - buf);
 319                 }
 320                 else if (r->is_vht)
 321                 {
 322                         p += snprintf(p, l, ", VHT-MCS %d, %dMHz", r->mcs, r->mhz);
 323                         l = sizeof(buf) - (p - buf);
 324
 325                         if (r->nss)
 326                         {
 327                                 p += snprintf(p, l, ", VHT-NSS %d", r->nss);
 328                                 l = sizeof(buf) - (p - buf);
 329                         }
 330                 }
 331                 else if (r->is_he)
 332                 {
 333                         p += snprintf(p, l, ", HE-MCS %d, %dMHz", r->mcs, r->mhz);
 334                         l = sizeof(buf) - (p - buf);
 335
 336                         p += snprintf(p, l, ", HE-NSS %d", r->nss);
 337                         l = sizeof(buf) - (p - buf);
 338
 339                         p += snprintf(p, l, ", HE-GI %d", r->he_gi);
 340                         l = sizeof(buf) - (p - buf);
 341
 342                         p += snprintf(p, l, ", HE-DCM %d", r->he_dcm);
 343                         l = sizeof(buf) - (p - buf);
 344                 }
 345         }
 346
 347         return buf;
 348 }
 349
 350 static const char* format_chan_width(uint16_t width)
 351 {
 352         switch (width) {
 353                 case 20: return "20 MHz";
 354                 case 2040: return "40 MHz and upper or 20 MHz with intolerant bit";
 355                 case 40: return "40 MHz or lower";
 356                 case 80: return "80 MHz";
 357                 case 8080: return "80+80 MHz";
 358                 case 160: return "160 MHz";
 359         }
 360
 361         return "unknown";
 362 }
 363
 364
 365 static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
 366 {
 367         const char *type = iwinfo_type(ifname);
 368         return type ? type : "unknown";
 369 }
 370
 371 static char * print_hardware_id(const struct iwinfo_ops *iw, const char *ifname)
 372 {
 373         static char buf[20];
 374         struct iwinfo_hardware_id ids;
 375
 376         if (!iw->hardware_id(ifname, (char *)&ids))
 377         {
 378                 snprintf(buf, sizeof(buf), "%04X:%04X %04X:%04X",
 379                         ids.vendor_id, ids.device_id,
 380                         ids.subsystem_vendor_id, ids.subsystem_device_id);
 381         }
 382         else
 383         {
 384                 snprintf(buf, sizeof(buf), "unknown");
 385         }
 386
 387         return buf;
 388 }
 389
 390 static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifname)
 391 {
 392         static char buf[128];
 393
 394         if (iw->hardware_name(ifname, buf))
 395                 snprintf(buf, sizeof(buf), "unknown");
 396
 397         return buf;
 398 }
 399
 400 static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
 401 {
 402         int off;
 403         static char buf[12];
 404
 405         if (iw->txpower_offset(ifname, &off))
 406                 snprintf(buf, sizeof(buf), "unknown");
 407         else if (off != 0)
 408                 snprintf(buf, sizeof(buf), "%d dB", off);
 409         else
 410                 snprintf(buf, sizeof(buf), "none");
 411
 412         return buf;
 413 }
 414
 415 static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
 416 {
 417         int off;
 418         static char buf[12];
 419
 420         if (iw->frequency_offset(ifname, &off))
 421                 snprintf(buf, sizeof(buf), "unknown");
 422         else if (off != 0)
 423                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
 424         else
 425                 snprintf(buf, sizeof(buf), "none");
 426
 427         return buf;
 428 }
 429
 430 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
 431 {
 432         char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
 433
 434         if (iw->ssid(ifname, buf))
 435                 memset(buf, 0, sizeof(buf));
 436
 437         return format_ssid(buf);
 438 }
 439
 440 static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
 441 {
 442         static char buf[18] = { 0 };
 443
 444         if (iw->bssid(ifname, buf))
 445                 snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
 446
 447         return buf;
 448 }
 449
 450 static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
 451 {
 452         int mode;
 453         static char buf[128];
 454
 455         if (iw->mode(ifname, &mode))
 456                 mode = IWINFO_OPMODE_UNKNOWN;
 457
 458         snprintf(buf, sizeof(buf), "%s", IWINFO_OPMODE_NAMES[mode]);
 459
 460         return buf;
 461 }
 462
 463 static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
 464 {
 465         int ch;
 466         if (iw->channel(ifname, &ch))
 467                 ch = -1;
 468
 469         return format_channel(ch);
 470 }
 471
 472 static char * print_center_chan1(const struct iwinfo_ops *iw, const char *ifname)
 473 {
 474         int ch;
 475         if (iw->center_chan1(ifname, &ch))
 476                 ch = -1;
 477
 478         return format_channel(ch);
 479 }
 480
 481 static char * print_center_chan2(const struct iwinfo_ops *iw, const char *ifname)
 482 {
 483         int ch;
 484         if (iw->center_chan2(ifname, &ch))
 485                 ch = -1;
 486
 487         return format_channel(ch);
 488 }
 489
 490 static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
 491 {
 492         int freq;
 493         if (iw->frequency(ifname, &freq))
 494                 freq = -1;
 495
 496         return format_frequency(freq);
 497 }
 498
 499 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
 500 {
 501         int pwr, off;
 502         if (iw->txpower_offset(ifname, &off))
 503                 off = 0;
 504
 505         if (iw->txpower(ifname, &pwr))
 506                 pwr = -1;
 507         else
 508                 pwr += off;
 509
 510         return format_txpower(pwr);
 511 }
 512
 513 static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
 514 {
 515         int qual;
 516         if (iw->quality(ifname, &qual))
 517                 qual = -1;
 518
 519         return format_quality(qual);
 520 }
 521
 522 static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
 523 {
 524         int qmax;
 525         if (iw->quality_max(ifname, &qmax))
 526                 qmax = -1;
 527
 528         return format_quality_max(qmax);
 529 }
 530
 531 static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
 532 {
 533         int sig;
 534         if (iw->signal(ifname, &sig))
 535                 sig = 0;
 536
 537         return format_signal(sig);
 538 }
 539
 540 static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
 541 {
 542         int noise;
 543         if (iw->noise(ifname, &noise))
 544                 noise = 0;
 545
 546         return format_noise(noise);
 547 }
 548
 549 static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
 550 {
 551         int rate;
 552         if (iw->bitrate(ifname, &rate))
 553                 rate = -1;
 554
 555         return format_rate(rate);
 556 }
 557
 558 static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
 559 {
 560         struct iwinfo_crypto_entry c = { 0 };
 561         if (iw->encryption(ifname, (char *)&c))
 562                 return format_encryption(NULL);
 563
 564         return format_encryption(&c);
 565 }
 566
 567 static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
 568 {
 569         int modes;
 570         if (iw->hwmodelist(ifname, &modes))
 571                 modes = -1;
 572
 573         return format_hwmodes(modes);
 574 }
 575
 576 static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
 577 {
 578         int supp;
 579         static char buf[4];
 580
 581         if (iw->mbssid_support(ifname, &supp))
 582                 snprintf(buf, sizeof(buf), "no");
 583         else
 584                 snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
 585
 586         return buf;
 587 }
 588
 589 static char * print_phyname(const struct iwinfo_ops *iw, const char *ifname)
 590 {
 591         static char buf[32];
 592
 593         if (!iw->phyname(ifname, buf))
 594                 return buf;
 595
 596         return "?";
 597 }
 598
 599
 600 static void print_info(const struct iwinfo_ops *iw, const char *ifname)
 601 {
 602         printf("%-9s ESSID: %s\n",
 603                 ifname,
 604                 print_ssid(iw, ifname));
 605         printf("          Access Point: %s\n",
 606                 print_bssid(iw, ifname));
 607         printf("          Mode: %s  Channel: %s (%s)\n",
 608                 print_mode(iw, ifname),
 609                 print_channel(iw, ifname),
 610                 print_frequency(iw, ifname));
 611         if (iw->center_chan1 != NULL) {
 612                 printf("          Center Channel 1: %s",
 613                         print_center_chan1(iw, ifname));
 614                 printf(" 2: %s\n", print_center_chan2(iw, ifname));
 615         }
 616         printf("          Tx-Power: %s  Link Quality: %s/%s\n",
 617                 print_txpower(iw, ifname),
 618                 print_quality(iw, ifname),
 619                 print_quality_max(iw, ifname));
 620         printf("          Signal: %s  Noise: %s\n",
 621                 print_signal(iw, ifname),
 622                 print_noise(iw, ifname));
 623         printf("          Bit Rate: %s\n",
 624                 print_rate(iw, ifname));
 625         printf("          Encryption: %s\n",
 626                 print_encryption(iw, ifname));
 627         printf("          Type: %s  HW Mode(s): %s\n",
 628                 print_type(iw, ifname),
 629                 print_hwmodes(iw, ifname));
 630         printf("          Hardware: %s [%s]\n",
 631                 print_hardware_id(iw, ifname),
 632                 print_hardware_name(iw, ifname));
 633         printf("          TX power offset: %s\n",
 634                 print_txpower_offset(iw, ifname));
 635         printf("          Frequency offset: %s\n",
 636                 print_frequency_offset(iw, ifname));
 637         printf("          Supports VAPs: %s  PHY name: %s\n",
 638                 print_mbssid_supp(iw, ifname),
 639                 print_phyname(iw, ifname));
 640 }
 641
 642
 643 static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
 644 {
 645         int i, x, len;
 646         char buf[IWINFO_BUFSIZE];
 647         struct iwinfo_scanlist_entry *e;
 648
 649         if (iw->scanlist(ifname, buf, &len))
 650         {
 651                 printf("Scanning not possible\n\n");
 652                 return;
 653         }
 654         else if (len <= 0)
 655         {
 656                 printf("No scan results\n\n");
 657                 return;
 658         }
 659
 660         for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
 661         {
 662                 e = (struct iwinfo_scanlist_entry *) &buf[i];
 663
 664                 printf("Cell %02d - Address: %s\n",
 665                         x,
 666                         format_bssid(e->mac));
 667                 printf("          ESSID: %s\n",
 668                         format_ssid(e->ssid));
 669                 printf("          Mode: %s  Channel: %s\n",
 670                         IWINFO_OPMODE_NAMES[e->mode],
 671                         format_channel(e->channel));
 672                 printf("          Signal: %s  Quality: %s/%s\n",
 673                         format_signal(e->signal - 0x100),
 674                         format_quality(e->quality),
 675                         format_quality_max(e->quality_max));
 676                 printf("          Encryption: %s\n",
 677                         format_encryption(&e->crypto));
 678                 printf("          HT Operation:\n");
 679                 printf("                    Primary Channel: %d\n",
 680                         e->ht_chan_info.primary_chan);
 681                 printf("                    Secondary Channel Offset: %s\n",
 682                         ht_secondary_offset[e->ht_chan_info.secondary_chan_off]);
 683                 printf("                    Channel Width: %s\n",
 684                         format_chan_width(e->ht_chan_info.chan_width));
 685
 686                 if (e->vht_chan_info.center_chan_1) {
 687                         printf("          VHT Operation:\n");
 688                         printf("                    Channel Width: %s\n",
 689                                 format_chan_width(e->vht_chan_info.chan_width));
 690                         printf("                    Center Frequency 1: %d\n",
 691                                  e->vht_chan_info.center_chan_1);
 692                         printf("                    Center Frequency 2: %d\n",
 693                                  e->vht_chan_info.center_chan_2);
 694                 }
 695
 696                 printf("\n");
 697         }
 698 }
 699
 700
 701 static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
 702 {
 703         int len, pwr, off, i;
 704         char buf[IWINFO_BUFSIZE];
 705         struct iwinfo_txpwrlist_entry *e;
 706
 707         if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
 708         {
 709                 printf("No TX power information available\n");
 710                 return;
 711         }
 712
 713         if (iw->txpower(ifname, &pwr))
 714                 pwr = -1;
 715
 716         if (iw->txpower_offset(ifname, &off))
 717                 off = 0;
 718
 719         for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
 720         {
 721                 e = (struct iwinfo_txpwrlist_entry *) &buf[i];
 722
 723                 printf("%s%3d dBm (%4d mW)\n",
 724                         (pwr == e->dbm) ? "*" : " ",
 725                         e->dbm + off,
 726                         iwinfo_dbm2mw(e->dbm + off));
 727         }
 728 }
 729
 730
 731 static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
 732 {
 733         int i, len, ch;
 734         char buf[IWINFO_BUFSIZE];
 735         struct iwinfo_freqlist_entry *e;
 736
 737         if (iw->freqlist(ifname, buf, &len) || len <= 0)
 738         {
 739                 printf("No frequency information available\n");
 740                 return;
 741         }
 742
 743         if (iw->channel(ifname, &ch))
 744                 ch = -1;
 745
 746         for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
 747         {
 748                 e = (struct iwinfo_freqlist_entry *) &buf[i];
 749
 750                 printf("%s %s (Channel %s)%s\n",
 751                         (ch == e->channel) ? "*" : " ",
 752                         format_frequency(e->mhz),
 753                         format_channel(e->channel),
 754                         e->restricted ? " [restricted]" : "");
 755         }
 756 }
 757
 758
 759 static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
 760 {
 761         int i, len;
 762         char buf[IWINFO_BUFSIZE];
 763         struct iwinfo_assoclist_entry *e;
 764
 765         if (iw->assoclist(ifname, buf, &len))
 766         {
 767                 printf("No information available\n");
 768                 return;
 769         }
 770         else if (len <= 0)
 771         {
 772                 printf("No station connected\n");
 773                 return;
 774         }
 775
 776         for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
 777         {
 778                 e = (struct iwinfo_assoclist_entry *) &buf[i];
 779
 780                 printf("%s  %s / %s (SNR %d)  %d ms ago\n",
 781                         format_bssid(e->mac),
 782                         format_signal(e->signal),
 783                         format_noise(e->noise),
 784                         (e->signal - e->noise),
 785                         e->inactive);
 786
 787                 printf("        RX: %-38s  %8d Pkts.\n",
 788                         format_assocrate(&e->rx_rate),
 789                         e->rx_packets
 790                 );
 791
 792                 printf("        TX: %-38s  %8d Pkts.\n",
 793                         format_assocrate(&e->tx_rate),
 794                         e->tx_packets
 795                 );
 796
 797                 printf("        expected throughput: %s\n\n",
 798                         format_rate(e->thr));
 799         }
 800 }
 801
 802
 803 static char * lookup_country(char *buf, int len, int iso3166)
 804 {
 805         int i;
 806         struct iwinfo_country_entry *c;
 807
 808         for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
 809         {
 810                 c = (struct iwinfo_country_entry *) &buf[i];
 811
 812                 if (c->iso3166 == iso3166)
 813                         return c->ccode;
 814         }
 815
 816         return NULL;
 817 }
 818
 819 static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
 820 {
 821         int len;
 822         char buf[IWINFO_BUFSIZE];
 823         char *ccode;
 824         char curcode[3];
 825         const struct iwinfo_iso3166_label *l;
 826
 827         if (iw->countrylist(ifname, buf, &len))
 828         {
 829                 printf("No country code information available\n");
 830                 return;
 831         }
 832
 833         if (iw->country(ifname, curcode))
 834                 memset(curcode, 0, sizeof(curcode));
 835
 836         for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
 837         {
 838                 if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
 839                 {
 840                         printf("%s %4s  %c%c\n",
 841                                 strncmp(ccode, curcode, 2) ? " " : "*",
 842                                 ccode, (l->iso3166 / 256), (l->iso3166 % 256));
 843                 }
 844         }
 845 }
 846
 847 static void print_htmodelist(const struct iwinfo_ops *iw, const char *ifname)
 848 {
 849         int i, htmodes = 0;
 850
 851         if (iw->htmodelist(ifname, &htmodes))
 852         {
 853                 printf("No HT mode information available\n");
 854                 return;
 855         }
 856
 857         for (i = 0; i < ARRAY_SIZE(IWINFO_HTMODE_NAMES); i++)
 858                 if (htmodes & (1 << i))
 859                         printf("%s ", IWINFO_HTMODE_NAMES[i]);
 860
 861         printf("\n");
 862 }
 863
 864 static void lookup_phy(const struct iwinfo_ops *iw, const char *section)
 865 {
 866         char buf[IWINFO_BUFSIZE];
 867
 868         if (!iw->lookup_phy)
 869         {
 870                 fprintf(stderr, "Not supported\n");
 871                 return;
 872         }
 873
 874         if (iw->lookup_phy(section, buf))
 875         {
 876                 fprintf(stderr, "Phy not found\n");
 877                 return;
 878         }
 879
 880         printf("%s\n", buf);
 881 }
 882
 883
 884 static void lookup_path(const struct iwinfo_ops *iw, const char *phy)
 885 {
 886         const char *path;
 887
 888         if (!iw->phy_path || iw->phy_path(phy, &path) || !path)
 889                 return;
 890
 891         printf("%s\n", path);
 892 }
 893
 894 int main(int argc, char **argv)
 895 {
 896         int i, rv = 0;
 897         char *p;
 898         const struct iwinfo_ops *iw;
 899         glob_t globbuf;
 900
 901         if (argc > 1 && argc < 3)
 902         {
 903                 fprintf(stderr,
 904                         "Usage:\n"
 905                         "       iwinfo <device> info\n"
 906                         "       iwinfo <device> scan\n"
 907                         "       iwinfo <device> txpowerlist\n"
 908                         "       iwinfo <device> freqlist\n"
 909                         "       iwinfo <device> assoclist\n"
 910                         "       iwinfo <device> countrylist\n"
 911                         "       iwinfo <device> htmodelist\n"
 912                         "       iwinfo <backend> phyname <section>\n"
 913                 );
 914
 915                 return 1;
 916         }
 917
 918         if (argc == 1)
 919         {
 920                 glob("/sys/class/net/*", 0, NULL, &globbuf);
 921
 922                 for (i = 0; i < globbuf.gl_pathc; i++)
 923                 {
 924                         p = strrchr(globbuf.gl_pathv[i], '/');
 925
 926                         if (!p)
 927                                 continue;
 928
 929                         iw = iwinfo_backend(++p);
 930
 931                         if (!iw)
 932                                 continue;
 933
 934                         print_info(iw, p);
 935                         printf("\n");
 936                 }
 937
 938                 globfree(&globbuf);
 939                 return 0;
 940         }
 941
 942         if (argc > 3)
 943         {
 944                 iw = iwinfo_backend_by_name(argv[1]);
 945
 946                 if (!iw)
 947                 {
 948                         fprintf(stderr, "No such wireless backend: %s\n", argv[1]);
 949                         rv = 1;
 950                 }
 951                 else
 952                 {
 953                         if (!strcmp(argv[2], "path")) {
 954                                 lookup_path(iw, argv[3]);
 955                                 return 0;
 956                         }
 957                         switch (argv[2][0])
 958                         {
 959                         case 'p':
 960                                 lookup_phy(iw, argv[3]);
 961                                 break;
 962
 963                         default:
 964                                 fprintf(stderr, "Unknown command: %s\n", argv[2]);
 965                                 rv = 1;
 966                         }
 967                 }
 968         }
 969         else
 970         {
 971                 iw = iwinfo_backend(argv[1]);
 972
 973                 if (!iw)
 974                 {
 975                         fprintf(stderr, "No such wireless device: %s\n", argv[1]);
 976                         rv = 1;
 977                 }
 978                 else
 979                 {
 980                         for (i = 2; i < argc; i++)
 981                         {
 982                                 switch(argv[i][0])
 983                                 {
 984                                 case 'i':
 985                                         print_info(iw, argv[1]);
 986                                         break;
 987
 988                                 case 's':
 989                                         print_scanlist(iw, argv[1]);
 990                                         break;
 991
 992                                 case 't':
 993                                         print_txpwrlist(iw, argv[1]);
 994                                         break;
 995
 996                                 case 'f':
 997                                         print_freqlist(iw, argv[1]);
 998                                         break;
 999
1000                                 case 'a':
1001                                         print_assoclist(iw, argv[1]);
1002                                         break;
1003
1004                                 case 'c':
1005                                         print_countrylist(iw, argv[1]);
1006                                         break;
1007
1008                                 case 'h':
1009                                         print_htmodelist(iw, argv[1]);
1010                                         break;
1011
1012                                 default:
1013                                         fprintf(stderr, "Unknown command: %s\n", argv[i]);
1014                                         rv = 1;
1015                                 }
1016                         }
1017                 }
1018         }
1019
1020         iwinfo_finish();
1021
1022         return rv;
1023 }