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[10];
  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[14];
 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_WRAP)
 162                 pos += sprintf(pos, "WRAP, ");
 163
 164         if (ciphers & IWINFO_CIPHER_AESOCB)
 165                 pos += sprintf(pos, "AES-OCB, ");
 166
 167         if (ciphers & IWINFO_CIPHER_CKIP)
 168                 pos += sprintf(pos, "CKIP, ");
 169
 170         if (!ciphers || (ciphers & IWINFO_CIPHER_NONE))
 171                 pos += sprintf(pos, "NONE, ");
 172
 173         *(pos - 2) = 0;
 174
 175         return str;
 176 }
 177
 178 static char * format_enc_suites(int suites)
 179 {
 180         static char str[64] = { 0 };
 181         char *pos = str;
 182
 183         if (suites & IWINFO_KMGMT_PSK)
 184                 pos += sprintf(pos, "PSK/");
 185
 186         if (suites & IWINFO_KMGMT_8021x)
 187                 pos += sprintf(pos, "802.1X/");
 188
 189         if (suites & IWINFO_KMGMT_SAE)
 190                 pos += sprintf(pos, "SAE/");
 191
 192         if (suites & IWINFO_KMGMT_OWE)
 193                 pos += sprintf(pos, "OWE/");
 194
 195         if (!suites || (suites & IWINFO_KMGMT_NONE))
 196                 pos += sprintf(pos, "NONE/");
 197
 198         *(pos - 1) = 0;
 199
 200         return str;
 201 }
 202
 203 static char * format_encryption(struct iwinfo_crypto_entry *c)
 204 {
 205         static char buf[512];
 206
 207         if (!c)
 208         {
 209                 snprintf(buf, sizeof(buf), "unknown");
 210         }
 211         else if (c->enabled)
 212         {
 213                 /* WEP */
 214                 if (c->auth_algs && !c->wpa_version)
 215                 {
 216                         if ((c->auth_algs & IWINFO_AUTH_OPEN) &&
 217                                 (c->auth_algs & IWINFO_AUTH_SHARED))
 218                         {
 219                                 snprintf(buf, sizeof(buf), "WEP Open/Shared (%s)",
 220                                         format_enc_ciphers(c->pair_ciphers));
 221                         }
 222                         else if (c->auth_algs & IWINFO_AUTH_OPEN)
 223                         {
 224                                 snprintf(buf, sizeof(buf), "WEP Open System (%s)",
 225                                         format_enc_ciphers(c->pair_ciphers));
 226                         }
 227                         else if (c->auth_algs & IWINFO_AUTH_SHARED)
 228                         {
 229                                 snprintf(buf, sizeof(buf), "WEP Shared Auth (%s)",
 230                                         format_enc_ciphers(c->pair_ciphers));
 231                         }
 232                 }
 233
 234                 /* WPA */
 235                 else if (c->wpa_version)
 236                 {
 237                         switch (c->wpa_version) {
 238                                 case 4:
 239                                         snprintf(buf, sizeof(buf), "WPA3 %s (%s)",
 240                                                 format_enc_suites(c->auth_suites),
 241                                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 242                                         break;
 243
 244                                 case 3:
 245                                         snprintf(buf, sizeof(buf), "mixed WPA/WPA2 %s (%s)",
 246                                                 format_enc_suites(c->auth_suites),
 247                                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 248                                         break;
 249
 250                                 case 2:
 251                                         snprintf(buf, sizeof(buf), "WPA2 %s (%s)",
 252                                                 format_enc_suites(c->auth_suites),
 253                                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 254                                         break;
 255
 256                                 case 1:
 257                                         snprintf(buf, sizeof(buf), "WPA %s (%s)",
 258                                                 format_enc_suites(c->auth_suites),
 259                                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 260                                         break;
 261                         }
 262                 }
 263                 else
 264                 {
 265                         snprintf(buf, sizeof(buf), "none");
 266                 }
 267         }
 268         else
 269         {
 270                 snprintf(buf, sizeof(buf), "none");
 271         }
 272
 273         return buf;
 274 }
 275
 276 static char * format_hwmodes(int modes)
 277 {
 278         static char buf[15];
 279
 280         if (modes <= 0)
 281                 snprintf(buf, sizeof(buf), "unknown");
 282         else
 283                 snprintf(buf, sizeof(buf), "802.11%s%s%s%s%s%s",
 284                         (modes & IWINFO_80211_A) ? "a" : "",
 285                         (modes & IWINFO_80211_B) ? "b" : "",
 286                         (modes & IWINFO_80211_G) ? "g" : "",
 287                         (modes & IWINFO_80211_N) ? "n" : "",
 288                         (modes & IWINFO_80211_AC) ? "ac" : "",
 289                         (modes & IWINFO_80211_AD) ? "ad" : "");
 290
 291         return buf;
 292 }
 293
 294 static char * format_assocrate(struct iwinfo_rate_entry *r)
 295 {
 296         static char buf[80];
 297         char *p = buf;
 298         int l = sizeof(buf);
 299
 300         if (r->rate <= 0)
 301         {
 302                 snprintf(buf, sizeof(buf), "unknown");
 303         }
 304         else
 305         {
 306                 p += snprintf(p, l, "%s", format_rate(r->rate));
 307                 l = sizeof(buf) - (p - buf);
 308
 309                 if (r->is_ht)
 310                 {
 311                         p += snprintf(p, l, ", MCS %d, %dMHz", r->mcs, r->mhz);
 312                         l = sizeof(buf) - (p - buf);
 313                 }
 314                 else if (r->is_vht)
 315                 {
 316                         p += snprintf(p, l, ", VHT-MCS %d, %dMHz", r->mcs, r->mhz);
 317                         l = sizeof(buf) - (p - buf);
 318
 319                         if (r->nss)
 320                         {
 321                                 p += snprintf(p, l, ", VHT-NSS %d", r->nss);
 322                                 l = sizeof(buf) - (p - buf);
 323                         }
 324                 }
 325         }
 326
 327         return buf;
 328 }
 329
 330
 331 static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
 332 {
 333         const char *type = iwinfo_type(ifname);
 334         return type ? type : "unknown";
 335 }
 336
 337 static char * print_hardware_id(const struct iwinfo_ops *iw, const char *ifname)
 338 {
 339         static char buf[20];
 340         struct iwinfo_hardware_id ids;
 341
 342         if (!iw->hardware_id(ifname, (char *)&ids))
 343         {
 344                 snprintf(buf, sizeof(buf), "%04X:%04X %04X:%04X",
 345                         ids.vendor_id, ids.device_id,
 346                         ids.subsystem_vendor_id, ids.subsystem_device_id);
 347         }
 348         else
 349         {
 350                 snprintf(buf, sizeof(buf), "unknown");
 351         }
 352
 353         return buf;
 354 }
 355
 356 static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifname)
 357 {
 358         static char buf[128];
 359
 360         if (iw->hardware_name(ifname, buf))
 361                 snprintf(buf, sizeof(buf), "unknown");
 362
 363         return buf;
 364 }
 365
 366 static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
 367 {
 368         int off;
 369         static char buf[12];
 370
 371         if (iw->txpower_offset(ifname, &off))
 372                 snprintf(buf, sizeof(buf), "unknown");
 373         else if (off != 0)
 374                 snprintf(buf, sizeof(buf), "%d dB", off);
 375         else
 376                 snprintf(buf, sizeof(buf), "none");
 377
 378         return buf;
 379 }
 380
 381 static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
 382 {
 383         int off;
 384         static char buf[12];
 385
 386         if (iw->frequency_offset(ifname, &off))
 387                 snprintf(buf, sizeof(buf), "unknown");
 388         else if (off != 0)
 389                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
 390         else
 391                 snprintf(buf, sizeof(buf), "none");
 392
 393         return buf;
 394 }
 395
 396 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
 397 {
 398         char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
 399
 400         if (iw->ssid(ifname, buf))
 401                 memset(buf, 0, sizeof(buf));
 402
 403         return format_ssid(buf);
 404 }
 405
 406 static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
 407 {
 408         static char buf[18] = { 0 };
 409
 410         if (iw->bssid(ifname, buf))
 411                 snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
 412
 413         return buf;
 414 }
 415
 416 static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
 417 {
 418         int mode;
 419         static char buf[128];
 420
 421         if (iw->mode(ifname, &mode))
 422                 mode = IWINFO_OPMODE_UNKNOWN;
 423
 424         snprintf(buf, sizeof(buf), "%s", IWINFO_OPMODE_NAMES[mode]);
 425
 426         return buf;
 427 }
 428
 429 static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
 430 {
 431         int ch;
 432         if (iw->channel(ifname, &ch))
 433                 ch = -1;
 434
 435         return format_channel(ch);
 436 }
 437
 438 static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
 439 {
 440         int freq;
 441         if (iw->frequency(ifname, &freq))
 442                 freq = -1;
 443
 444         return format_frequency(freq);
 445 }
 446
 447 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
 448 {
 449         int pwr, off;
 450         if (iw->txpower_offset(ifname, &off))
 451                 off = 0;
 452
 453         if (iw->txpower(ifname, &pwr))
 454                 pwr = -1;
 455         else
 456                 pwr += off;
 457
 458         return format_txpower(pwr);
 459 }
 460
 461 static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
 462 {
 463         int qual;
 464         if (iw->quality(ifname, &qual))
 465                 qual = -1;
 466
 467         return format_quality(qual);
 468 }
 469
 470 static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
 471 {
 472         int qmax;
 473         if (iw->quality_max(ifname, &qmax))
 474                 qmax = -1;
 475
 476         return format_quality_max(qmax);
 477 }
 478
 479 static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
 480 {
 481         int sig;
 482         if (iw->signal(ifname, &sig))
 483                 sig = 0;
 484
 485         return format_signal(sig);
 486 }
 487
 488 static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
 489 {
 490         int noise;
 491         if (iw->noise(ifname, &noise))
 492                 noise = 0;
 493
 494         return format_noise(noise);
 495 }
 496
 497 static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
 498 {
 499         int rate;
 500         if (iw->bitrate(ifname, &rate))
 501                 rate = -1;
 502
 503         return format_rate(rate);
 504 }
 505
 506 static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
 507 {
 508         struct iwinfo_crypto_entry c = { 0 };
 509         if (iw->encryption(ifname, (char *)&c))
 510                 return format_encryption(NULL);
 511
 512         return format_encryption(&c);
 513 }
 514
 515 static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
 516 {
 517         int modes;
 518         if (iw->hwmodelist(ifname, &modes))
 519                 modes = -1;
 520
 521         return format_hwmodes(modes);
 522 }
 523
 524 static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
 525 {
 526         int supp;
 527         static char buf[4];
 528
 529         if (iw->mbssid_support(ifname, &supp))
 530                 snprintf(buf, sizeof(buf), "no");
 531         else
 532                 snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
 533
 534         return buf;
 535 }
 536
 537 static char * print_phyname(const struct iwinfo_ops *iw, const char *ifname)
 538 {
 539         static char buf[32];
 540
 541         if (!iw->phyname(ifname, buf))
 542                 return buf;
 543
 544         return "?";
 545 }
 546
 547
 548 static void print_info(const struct iwinfo_ops *iw, const char *ifname)
 549 {
 550         printf("%-9s ESSID: %s\n",
 551                 ifname,
 552                 print_ssid(iw, ifname));
 553         printf("          Access Point: %s\n",
 554                 print_bssid(iw, ifname));
 555         printf("          Mode: %s  Channel: %s (%s)\n",
 556                 print_mode(iw, ifname),
 557                 print_channel(iw, ifname),
 558                 print_frequency(iw, ifname));
 559         printf("          Tx-Power: %s  Link Quality: %s/%s\n",
 560                 print_txpower(iw, ifname),
 561                 print_quality(iw, ifname),
 562                 print_quality_max(iw, ifname));
 563         printf("          Signal: %s  Noise: %s\n",
 564                 print_signal(iw, ifname),
 565                 print_noise(iw, ifname));
 566         printf("          Bit Rate: %s\n",
 567                 print_rate(iw, ifname));
 568         printf("          Encryption: %s\n",
 569                 print_encryption(iw, ifname));
 570         printf("          Type: %s  HW Mode(s): %s\n",
 571                 print_type(iw, ifname),
 572                 print_hwmodes(iw, ifname));
 573         printf("          Hardware: %s [%s]\n",
 574                 print_hardware_id(iw, ifname),
 575                 print_hardware_name(iw, ifname));
 576         printf("          TX power offset: %s\n",
 577                 print_txpower_offset(iw, ifname));
 578         printf("          Frequency offset: %s\n",
 579                 print_frequency_offset(iw, ifname));
 580         printf("          Supports VAPs: %s  PHY name: %s\n",
 581                 print_mbssid_supp(iw, ifname),
 582                 print_phyname(iw, ifname));
 583 }
 584
 585
 586 static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
 587 {
 588         int i, x, len;
 589         char buf[IWINFO_BUFSIZE];
 590         struct iwinfo_scanlist_entry *e;
 591
 592         if (iw->scanlist(ifname, buf, &len))
 593         {
 594                 printf("Scanning not possible\n\n");
 595                 return;
 596         }
 597         else if (len <= 0)
 598         {
 599                 printf("No scan results\n\n");
 600                 return;
 601         }
 602
 603         for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
 604         {
 605                 e = (struct iwinfo_scanlist_entry *) &buf[i];
 606
 607                 printf("Cell %02d - Address: %s\n",
 608                         x,
 609                         format_bssid(e->mac));
 610                 printf("          ESSID: %s\n",
 611                         format_ssid(e->ssid));
 612                 printf("          Mode: %s  Channel: %s\n",
 613                         IWINFO_OPMODE_NAMES[e->mode],
 614                         format_channel(e->channel));
 615                 printf("          Signal: %s  Quality: %s/%s\n",
 616                         format_signal(e->signal - 0x100),
 617                         format_quality(e->quality),
 618                         format_quality_max(e->quality_max));
 619                 printf("          Encryption: %s\n\n",
 620                         format_encryption(&e->crypto));
 621         }
 622 }
 623
 624
 625 static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
 626 {
 627         int len, pwr, off, i;
 628         char buf[IWINFO_BUFSIZE];
 629         struct iwinfo_txpwrlist_entry *e;
 630
 631         if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
 632         {
 633                 printf("No TX power information available\n");
 634                 return;
 635         }
 636
 637         if (iw->txpower(ifname, &pwr))
 638                 pwr = -1;
 639
 640         if (iw->txpower_offset(ifname, &off))
 641                 off = 0;
 642
 643         for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
 644         {
 645                 e = (struct iwinfo_txpwrlist_entry *) &buf[i];
 646
 647                 printf("%s%3d dBm (%4d mW)\n",
 648                         (pwr == e->dbm) ? "*" : " ",
 649                         e->dbm + off,
 650                         iwinfo_dbm2mw(e->dbm + off));
 651         }
 652 }
 653
 654
 655 static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
 656 {
 657         int i, len, ch;
 658         char buf[IWINFO_BUFSIZE];
 659         struct iwinfo_freqlist_entry *e;
 660
 661         if (iw->freqlist(ifname, buf, &len) || len <= 0)
 662         {
 663                 printf("No frequency information available\n");
 664                 return;
 665         }
 666
 667         if (iw->channel(ifname, &ch))
 668                 ch = -1;
 669
 670         for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
 671         {
 672                 e = (struct iwinfo_freqlist_entry *) &buf[i];
 673
 674                 printf("%s %s (Channel %s)%s\n",
 675                         (ch == e->channel) ? "*" : " ",
 676                         format_frequency(e->mhz),
 677                         format_channel(e->channel),
 678                         e->restricted ? " [restricted]" : "");
 679         }
 680 }
 681
 682
 683 static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
 684 {
 685         int i, len;
 686         char buf[IWINFO_BUFSIZE];
 687         struct iwinfo_assoclist_entry *e;
 688
 689         if (iw->assoclist(ifname, buf, &len))
 690         {
 691                 printf("No information available\n");
 692                 return;
 693         }
 694         else if (len <= 0)
 695         {
 696                 printf("No station connected\n");
 697                 return;
 698         }
 699
 700         for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
 701         {
 702                 e = (struct iwinfo_assoclist_entry *) &buf[i];
 703
 704                 printf("%s  %s / %s (SNR %d)  %d ms ago\n",
 705                         format_bssid(e->mac),
 706                         format_signal(e->signal),
 707                         format_noise(e->noise),
 708                         (e->signal - e->noise),
 709                         e->inactive);
 710
 711                 printf("        RX: %-38s  %8d Pkts.\n",
 712                         format_assocrate(&e->rx_rate),
 713                         e->rx_packets
 714                 );
 715
 716                 printf("        TX: %-38s  %8d Pkts.\n",
 717                         format_assocrate(&e->tx_rate),
 718                         e->tx_packets
 719                 );
 720
 721                 printf("        expected throughput: %s\n\n",
 722                         format_rate(e->thr));
 723         }
 724 }
 725
 726
 727 static char * lookup_country(char *buf, int len, int iso3166)
 728 {
 729         int i;
 730         struct iwinfo_country_entry *c;
 731
 732         for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
 733         {
 734                 c = (struct iwinfo_country_entry *) &buf[i];
 735
 736                 if (c->iso3166 == iso3166)
 737                         return c->ccode;
 738         }
 739
 740         return NULL;
 741 }
 742
 743 static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
 744 {
 745         int len;
 746         char buf[IWINFO_BUFSIZE];
 747         char *ccode;
 748         char curcode[3];
 749         const struct iwinfo_iso3166_label *l;
 750
 751         if (iw->countrylist(ifname, buf, &len))
 752         {
 753                 printf("No country code information available\n");
 754                 return;
 755         }
 756
 757         if (iw->country(ifname, curcode))
 758                 memset(curcode, 0, sizeof(curcode));
 759
 760         for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
 761         {
 762                 if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
 763                 {
 764                         printf("%s %4s  %c%c\n",
 765                                 strncmp(ccode, curcode, 2) ? " " : "*",
 766                                 ccode, (l->iso3166 / 256), (l->iso3166 % 256));
 767                 }
 768         }
 769 }
 770
 771 static void print_htmodelist(const struct iwinfo_ops *iw, const char *ifname)
 772 {
 773         int i, htmodes = 0;
 774
 775         if (iw->htmodelist(ifname, &htmodes))
 776         {
 777                 printf("No HT mode information available\n");
 778                 return;
 779         }
 780
 781         for (i = 0; i < ARRAY_SIZE(IWINFO_HTMODE_NAMES); i++)
 782                 if (htmodes & (1 << i))
 783                         printf("%s ", IWINFO_HTMODE_NAMES[i]);
 784
 785         printf("\n");
 786 }
 787
 788 static void lookup_phy(const struct iwinfo_ops *iw, const char *section)
 789 {
 790         char buf[IWINFO_BUFSIZE];
 791
 792         if (!iw->lookup_phy)
 793         {
 794                 fprintf(stderr, "Not supported\n");
 795                 return;
 796         }
 797
 798         if (iw->lookup_phy(section, buf))
 799         {
 800                 fprintf(stderr, "Phy not found\n");
 801                 return;
 802         }
 803
 804         printf("%s\n", buf);
 805 }
 806
 807
 808 int main(int argc, char **argv)
 809 {
 810         int i, rv = 0;
 811         char *p;
 812         const struct iwinfo_ops *iw;
 813         glob_t globbuf;
 814
 815         if (argc > 1 && argc < 3)
 816         {
 817                 fprintf(stderr,
 818                         "Usage:\n"
 819                         "       iwinfo <device> info\n"
 820                         "       iwinfo <device> scan\n"
 821                         "       iwinfo <device> txpowerlist\n"
 822                         "       iwinfo <device> freqlist\n"
 823                         "       iwinfo <device> assoclist\n"
 824                         "       iwinfo <device> countrylist\n"
 825                         "       iwinfo <device> htmodelist\n"
 826                         "       iwinfo <backend> phyname <section>\n"
 827                 );
 828
 829                 return 1;
 830         }
 831
 832         if (argc == 1)
 833         {
 834                 glob("/sys/class/net/*", 0, NULL, &globbuf);
 835
 836                 for (i = 0; i < globbuf.gl_pathc; i++)
 837                 {
 838                         p = strrchr(globbuf.gl_pathv[i], '/');
 839
 840                         if (!p)
 841                                 continue;
 842
 843                         iw = iwinfo_backend(++p);
 844
 845                         if (!iw)
 846                                 continue;
 847
 848                         print_info(iw, p);
 849                         printf("\n");
 850                 }
 851
 852                 globfree(&globbuf);
 853                 return 0;
 854         }
 855
 856         if (argc > 3)
 857         {
 858                 iw = iwinfo_backend_by_name(argv[1]);
 859
 860                 if (!iw)
 861                 {
 862                         fprintf(stderr, "No such wireless backend: %s\n", argv[1]);
 863                         rv = 1;
 864                 }
 865                 else
 866                 {
 867                         switch (argv[2][0])
 868                         {
 869                         case 'p':
 870                                 lookup_phy(iw, argv[3]);
 871                                 break;
 872
 873                         default:
 874                                 fprintf(stderr, "Unknown command: %s\n", argv[2]);
 875                                 rv = 1;
 876                         }
 877                 }
 878         }
 879         else
 880         {
 881                 iw = iwinfo_backend(argv[1]);
 882
 883                 if (!iw)
 884                 {
 885                         fprintf(stderr, "No such wireless device: %s\n", argv[1]);
 886                         rv = 1;
 887                 }
 888                 else
 889                 {
 890                         for (i = 2; i < argc; i++)
 891                         {
 892                                 switch(argv[i][0])
 893                                 {
 894                                 case 'i':
 895                                         print_info(iw, argv[1]);
 896                                         break;
 897
 898                                 case 's':
 899                                         print_scanlist(iw, argv[1]);
 900                                         break;
 901
 902                                 case 't':
 903                                         print_txpwrlist(iw, argv[1]);
 904                                         break;
 905
 906                                 case 'f':
 907                                         print_freqlist(iw, argv[1]);
 908                                         break;
 909
 910                                 case 'a':
 911                                         print_assoclist(iw, argv[1]);
 912                                         break;
 913
 914                                 case 'c':
 915                                         print_countrylist(iw, argv[1]);
 916                                         break;
 917
 918                                 case 'h':
 919                                         print_htmodelist(iw, argv[1]);
 920                                         break;
 921
 922                                 default:
 923                                         fprintf(stderr, "Unknown command: %s\n", argv[i]);
 924                                         rv = 1;
 925                                 }
 926                         }
 927                 }
 928         }
 929
 930         iwinfo_finish();
 931
 932         return rv;
 933 }