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