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_GCMP)
 162                 pos += sprintf(pos, "GCMP, ");
 163
 164         if (ciphers & IWINFO_CIPHER_WRAP)
 165                 pos += sprintf(pos, "WRAP, ");
 166
 167         if (ciphers & IWINFO_CIPHER_AESOCB)
 168                 pos += sprintf(pos, "AES-OCB, ");
 169
 170         if (ciphers & IWINFO_CIPHER_CKIP)
 171                 pos += sprintf(pos, "CKIP, ");
 172
 173         if (!ciphers || (ciphers & IWINFO_CIPHER_NONE))
 174                 pos += sprintf(pos, "NONE, ");
 175
 176         *(pos - 2) = 0;
 177
 178         return str;
 179 }
 180
 181 static char * format_enc_suites(int suites)
 182 {
 183         static char str[64] = { 0 };
 184         char *pos = str;
 185
 186         if (suites & IWINFO_KMGMT_PSK)
 187                 pos += sprintf(pos, "PSK/");
 188
 189         if (suites & IWINFO_KMGMT_8021x)
 190                 pos += sprintf(pos, "802.1X/");
 191
 192         if (suites & IWINFO_KMGMT_SAE)
 193                 pos += sprintf(pos, "SAE/");
 194
 195         if (suites & IWINFO_KMGMT_OWE)
 196                 pos += sprintf(pos, "OWE/");
 197
 198         if (!suites || (suites & IWINFO_KMGMT_NONE))
 199                 pos += sprintf(pos, "NONE/");
 200
 201         *(pos - 1) = 0;
 202
 203         return str;
 204 }
 205
 206 static char * format_encryption(struct iwinfo_crypto_entry *c)
 207 {
 208         static char buf[512];
 209         char *pos = buf;
 210         int i, n;
 211
 212         if (!c)
 213         {
 214                 snprintf(buf, sizeof(buf), "unknown");
 215         }
 216         else if (c->enabled)
 217         {
 218                 /* WEP */
 219                 if (c->auth_algs && !c->wpa_version)
 220                 {
 221                         if ((c->auth_algs & IWINFO_AUTH_OPEN) &&
 222                                 (c->auth_algs & IWINFO_AUTH_SHARED))
 223                         {
 224                                 snprintf(buf, sizeof(buf), "WEP Open/Shared (%s)",
 225                                         format_enc_ciphers(c->pair_ciphers));
 226                         }
 227                         else if (c->auth_algs & IWINFO_AUTH_OPEN)
 228                         {
 229                                 snprintf(buf, sizeof(buf), "WEP Open System (%s)",
 230                                         format_enc_ciphers(c->pair_ciphers));
 231                         }
 232                         else if (c->auth_algs & IWINFO_AUTH_SHARED)
 233                         {
 234                                 snprintf(buf, sizeof(buf), "WEP Shared Auth (%s)",
 235                                         format_enc_ciphers(c->pair_ciphers));
 236                         }
 237                 }
 238
 239                 /* WPA */
 240                 else if (c->wpa_version)
 241                 {
 242                         for (i = 0, n = 0; i < 3; i++)
 243                                 if (c->wpa_version & (1 << i))
 244                                         n++;
 245
 246                         if (n > 1)
 247                                 pos += sprintf(pos, "mixed ");
 248
 249                         for (i = 0; i < 3; i++)
 250                                 if (c->wpa_version & (1 << i))
 251                                         if (i)
 252                                                 pos += sprintf(pos, "WPA%d/", i + 1);
 253                                         else
 254                                                 pos += sprintf(pos, "WPA/");
 255
 256                         pos--;
 257
 258                         sprintf(pos, " %s (%s)",
 259                                 format_enc_suites(c->auth_suites),
 260                                 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
 261                 }
 262                 else
 263                 {
 264                         snprintf(buf, sizeof(buf), "none");
 265                 }
 266         }
 267         else
 268         {
 269                 snprintf(buf, sizeof(buf), "none");
 270         }
 271
 272         return buf;
 273 }
 274
 275 static char * format_hwmodes(int modes)
 276 {
 277         static char buf[15];
 278
 279         if (modes <= 0)
 280                 snprintf(buf, sizeof(buf), "unknown");
 281         else
 282                 snprintf(buf, sizeof(buf), "802.11%s%s%s%s%s%s",
 283                         (modes & IWINFO_80211_A) ? "a" : "",
 284                         (modes & IWINFO_80211_B) ? "b" : "",
 285                         (modes & IWINFO_80211_G) ? "g" : "",
 286                         (modes & IWINFO_80211_N) ? "n" : "",
 287                         (modes & IWINFO_80211_AC) ? "ac" : "",
 288                         (modes & IWINFO_80211_AD) ? "ad" : "",
 289                         (modes & IWINFO_80211_AX) ? "ax" : "");
 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 static const char* format_chan_width(uint16_t width)
 331 {
 332         switch (width) {
 333                 case 20: return "20 MHz";
 334                 case 2040: return "40 MHz and upper or 20 MHz with intolerant bit";
 335                 case 40: return "40 MHz or lower";
 336                 case 80: return "80 MHz";
 337                 case 8080: return "80+80 MHz";
 338                 case 160: return "160 MHz";
 339         }
 340
 341         return "unknown";
 342 }
 343
 344
 345 static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
 346 {
 347         const char *type = iwinfo_type(ifname);
 348         return type ? type : "unknown";
 349 }
 350
 351 static char * print_hardware_id(const struct iwinfo_ops *iw, const char *ifname)
 352 {
 353         static char buf[20];
 354         struct iwinfo_hardware_id ids;
 355
 356         if (!iw->hardware_id(ifname, (char *)&ids))
 357         {
 358                 snprintf(buf, sizeof(buf), "%04X:%04X %04X:%04X",
 359                         ids.vendor_id, ids.device_id,
 360                         ids.subsystem_vendor_id, ids.subsystem_device_id);
 361         }
 362         else
 363         {
 364                 snprintf(buf, sizeof(buf), "unknown");
 365         }
 366
 367         return buf;
 368 }
 369
 370 static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifname)
 371 {
 372         static char buf[128];
 373
 374         if (iw->hardware_name(ifname, buf))
 375                 snprintf(buf, sizeof(buf), "unknown");
 376
 377         return buf;
 378 }
 379
 380 static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
 381 {
 382         int off;
 383         static char buf[12];
 384
 385         if (iw->txpower_offset(ifname, &off))
 386                 snprintf(buf, sizeof(buf), "unknown");
 387         else if (off != 0)
 388                 snprintf(buf, sizeof(buf), "%d dB", off);
 389         else
 390                 snprintf(buf, sizeof(buf), "none");
 391
 392         return buf;
 393 }
 394
 395 static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
 396 {
 397         int off;
 398         static char buf[12];
 399
 400         if (iw->frequency_offset(ifname, &off))
 401                 snprintf(buf, sizeof(buf), "unknown");
 402         else if (off != 0)
 403                 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
 404         else
 405                 snprintf(buf, sizeof(buf), "none");
 406
 407         return buf;
 408 }
 409
 410 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
 411 {
 412         char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
 413
 414         if (iw->ssid(ifname, buf))
 415                 memset(buf, 0, sizeof(buf));
 416
 417         return format_ssid(buf);
 418 }
 419
 420 static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
 421 {
 422         static char buf[18] = { 0 };
 423
 424         if (iw->bssid(ifname, buf))
 425                 snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
 426
 427         return buf;
 428 }
 429
 430 static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
 431 {
 432         int mode;
 433         static char buf[128];
 434
 435         if (iw->mode(ifname, &mode))
 436                 mode = IWINFO_OPMODE_UNKNOWN;
 437
 438         snprintf(buf, sizeof(buf), "%s", IWINFO_OPMODE_NAMES[mode]);
 439
 440         return buf;
 441 }
 442
 443 static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
 444 {
 445         int ch;
 446         if (iw->channel(ifname, &ch))
 447                 ch = -1;
 448
 449         return format_channel(ch);
 450 }
 451
 452 static char * print_center_chan1(const struct iwinfo_ops *iw, const char *ifname)
 453 {
 454         int ch;
 455         if (iw->center_chan1(ifname, &ch))
 456                 ch = -1;
 457
 458         return format_channel(ch);
 459 }
 460
 461 static char * print_center_chan2(const struct iwinfo_ops *iw, const char *ifname)
 462 {
 463         int ch;
 464         if (iw->center_chan2(ifname, &ch))
 465                 ch = -1;
 466
 467         return format_channel(ch);
 468 }
 469
 470 static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
 471 {
 472         int freq;
 473         if (iw->frequency(ifname, &freq))
 474                 freq = -1;
 475
 476         return format_frequency(freq);
 477 }
 478
 479 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
 480 {
 481         int pwr, off;
 482         if (iw->txpower_offset(ifname, &off))
 483                 off = 0;
 484
 485         if (iw->txpower(ifname, &pwr))
 486                 pwr = -1;
 487         else
 488                 pwr += off;
 489
 490         return format_txpower(pwr);
 491 }
 492
 493 static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
 494 {
 495         int qual;
 496         if (iw->quality(ifname, &qual))
 497                 qual = -1;
 498
 499         return format_quality(qual);
 500 }
 501
 502 static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
 503 {
 504         int qmax;
 505         if (iw->quality_max(ifname, &qmax))
 506                 qmax = -1;
 507
 508         return format_quality_max(qmax);
 509 }
 510
 511 static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
 512 {
 513         int sig;
 514         if (iw->signal(ifname, &sig))
 515                 sig = 0;
 516
 517         return format_signal(sig);
 518 }
 519
 520 static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
 521 {
 522         int noise;
 523         if (iw->noise(ifname, &noise))
 524                 noise = 0;
 525
 526         return format_noise(noise);
 527 }
 528
 529 static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
 530 {
 531         int rate;
 532         if (iw->bitrate(ifname, &rate))
 533                 rate = -1;
 534
 535         return format_rate(rate);
 536 }
 537
 538 static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
 539 {
 540         struct iwinfo_crypto_entry c = { 0 };
 541         if (iw->encryption(ifname, (char *)&c))
 542                 return format_encryption(NULL);
 543
 544         return format_encryption(&c);
 545 }
 546
 547 static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
 548 {
 549         int modes;
 550         if (iw->hwmodelist(ifname, &modes))
 551                 modes = -1;
 552
 553         return format_hwmodes(modes);
 554 }
 555
 556 static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
 557 {
 558         int supp;
 559         static char buf[4];
 560
 561         if (iw->mbssid_support(ifname, &supp))
 562                 snprintf(buf, sizeof(buf), "no");
 563         else
 564                 snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
 565
 566         return buf;
 567 }
 568
 569 static char * print_phyname(const struct iwinfo_ops *iw, const char *ifname)
 570 {
 571         static char buf[32];
 572
 573         if (!iw->phyname(ifname, buf))
 574                 return buf;
 575
 576         return "?";
 577 }
 578
 579
 580 static void print_info(const struct iwinfo_ops *iw, const char *ifname)
 581 {
 582         printf("%-9s ESSID: %s\n",
 583                 ifname,
 584                 print_ssid(iw, ifname));
 585         printf("          Access Point: %s\n",
 586                 print_bssid(iw, ifname));
 587         printf("          Mode: %s  Channel: %s (%s)\n",
 588                 print_mode(iw, ifname),
 589                 print_channel(iw, ifname),
 590                 print_frequency(iw, ifname));
 591         if (iw->center_chan1 != NULL) {
 592                 printf("          Center Channel 1: %s",
 593                         print_center_chan1(iw, ifname));
 594                 printf(" 2: %s\n", print_center_chan2(iw, ifname));
 595         }
 596         printf("          Tx-Power: %s  Link Quality: %s/%s\n",
 597                 print_txpower(iw, ifname),
 598                 print_quality(iw, ifname),
 599                 print_quality_max(iw, ifname));
 600         printf("          Signal: %s  Noise: %s\n",
 601                 print_signal(iw, ifname),
 602                 print_noise(iw, ifname));
 603         printf("          Bit Rate: %s\n",
 604                 print_rate(iw, ifname));
 605         printf("          Encryption: %s\n",
 606                 print_encryption(iw, ifname));
 607         printf("          Type: %s  HW Mode(s): %s\n",
 608                 print_type(iw, ifname),
 609                 print_hwmodes(iw, ifname));
 610         printf("          Hardware: %s [%s]\n",
 611                 print_hardware_id(iw, ifname),
 612                 print_hardware_name(iw, ifname));
 613         printf("          TX power offset: %s\n",
 614                 print_txpower_offset(iw, ifname));
 615         printf("          Frequency offset: %s\n",
 616                 print_frequency_offset(iw, ifname));
 617         printf("          Supports VAPs: %s  PHY name: %s\n",
 618                 print_mbssid_supp(iw, ifname),
 619                 print_phyname(iw, ifname));
 620 }
 621
 622
 623 static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
 624 {
 625         int i, x, len;
 626         char buf[IWINFO_BUFSIZE];
 627         struct iwinfo_scanlist_entry *e;
 628
 629         if (iw->scanlist(ifname, buf, &len))
 630         {
 631                 printf("Scanning not possible\n\n");
 632                 return;
 633         }
 634         else if (len <= 0)
 635         {
 636                 printf("No scan results\n\n");
 637                 return;
 638         }
 639
 640         for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
 641         {
 642                 e = (struct iwinfo_scanlist_entry *) &buf[i];
 643
 644                 printf("Cell %02d - Address: %s\n",
 645                         x,
 646                         format_bssid(e->mac));
 647                 printf("          ESSID: %s\n",
 648                         format_ssid(e->ssid));
 649                 printf("          Mode: %s  Channel: %s\n",
 650                         IWINFO_OPMODE_NAMES[e->mode],
 651                         format_channel(e->channel));
 652                 printf("          Signal: %s  Quality: %s/%s\n",
 653                         format_signal(e->signal - 0x100),
 654                         format_quality(e->quality),
 655                         format_quality_max(e->quality_max));
 656                 printf("          Encryption: %s\n",
 657                         format_encryption(&e->crypto));
 658                 printf("          HT Operation:\n");
 659                 printf("                    Primary Channel: %d\n",
 660                         e->ht_chan_info.primary_chan);
 661                 printf("                    Secondary Channel Offset: %s\n",
 662                         ht_secondary_offset[e->ht_chan_info.secondary_chan_off]);
 663                 printf("                    Channel Width: %s\n",
 664                         format_chan_width(e->ht_chan_info.chan_width));
 665
 666                 if (e->vht_chan_info.center_chan_1) {
 667                         printf("          VHT Operation:\n");
 668                         printf("                    Channel Width: %s\n",
 669                                 format_chan_width(e->vht_chan_info.chan_width));
 670                         printf("                    Center Frequency 1: %d\n",
 671                                  e->vht_chan_info.center_chan_1);
 672                         printf("                    Center Frequency 2: %d\n",
 673                                  e->vht_chan_info.center_chan_2);
 674                 }
 675
 676                 printf("\n");
 677         }
 678 }
 679
 680
 681 static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
 682 {
 683         int len, pwr, off, i;
 684         char buf[IWINFO_BUFSIZE];
 685         struct iwinfo_txpwrlist_entry *e;
 686
 687         if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
 688         {
 689                 printf("No TX power information available\n");
 690                 return;
 691         }
 692
 693         if (iw->txpower(ifname, &pwr))
 694                 pwr = -1;
 695
 696         if (iw->txpower_offset(ifname, &off))
 697                 off = 0;
 698
 699         for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
 700         {
 701                 e = (struct iwinfo_txpwrlist_entry *) &buf[i];
 702
 703                 printf("%s%3d dBm (%4d mW)\n",
 704                         (pwr == e->dbm) ? "*" : " ",
 705                         e->dbm + off,
 706                         iwinfo_dbm2mw(e->dbm + off));
 707         }
 708 }
 709
 710
 711 static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
 712 {
 713         int i, len, ch;
 714         char buf[IWINFO_BUFSIZE];
 715         struct iwinfo_freqlist_entry *e;
 716
 717         if (iw->freqlist(ifname, buf, &len) || len <= 0)
 718         {
 719                 printf("No frequency information available\n");
 720                 return;
 721         }
 722
 723         if (iw->channel(ifname, &ch))
 724                 ch = -1;
 725
 726         for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
 727         {
 728                 e = (struct iwinfo_freqlist_entry *) &buf[i];
 729
 730                 printf("%s %s (Channel %s)%s\n",
 731                         (ch == e->channel) ? "*" : " ",
 732                         format_frequency(e->mhz),
 733                         format_channel(e->channel),
 734                         e->restricted ? " [restricted]" : "");
 735         }
 736 }
 737
 738
 739 static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
 740 {
 741         int i, len;
 742         char buf[IWINFO_BUFSIZE];
 743         struct iwinfo_assoclist_entry *e;
 744
 745         if (iw->assoclist(ifname, buf, &len))
 746         {
 747                 printf("No information available\n");
 748                 return;
 749         }
 750         else if (len <= 0)
 751         {
 752                 printf("No station connected\n");
 753                 return;
 754         }
 755
 756         for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
 757         {
 758                 e = (struct iwinfo_assoclist_entry *) &buf[i];
 759
 760                 printf("%s  %s / %s (SNR %d)  %d ms ago\n",
 761                         format_bssid(e->mac),
 762                         format_signal(e->signal),
 763                         format_noise(e->noise),
 764                         (e->signal - e->noise),
 765                         e->inactive);
 766
 767                 printf("        RX: %-38s  %8d Pkts.\n",
 768                         format_assocrate(&e->rx_rate),
 769                         e->rx_packets
 770                 );
 771
 772                 printf("        TX: %-38s  %8d Pkts.\n",
 773                         format_assocrate(&e->tx_rate),
 774                         e->tx_packets
 775                 );
 776
 777                 printf("        expected throughput: %s\n\n",
 778                         format_rate(e->thr));
 779         }
 780 }
 781
 782
 783 static char * lookup_country(char *buf, int len, int iso3166)
 784 {
 785         int i;
 786         struct iwinfo_country_entry *c;
 787
 788         for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
 789         {
 790                 c = (struct iwinfo_country_entry *) &buf[i];
 791
 792                 if (c->iso3166 == iso3166)
 793                         return c->ccode;
 794         }
 795
 796         return NULL;
 797 }
 798
 799 static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
 800 {
 801         int len;
 802         char buf[IWINFO_BUFSIZE];
 803         char *ccode;
 804         char curcode[3];
 805         const struct iwinfo_iso3166_label *l;
 806
 807         if (iw->countrylist(ifname, buf, &len))
 808         {
 809                 printf("No country code information available\n");
 810                 return;
 811         }
 812
 813         if (iw->country(ifname, curcode))
 814                 memset(curcode, 0, sizeof(curcode));
 815
 816         for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
 817         {
 818                 if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
 819                 {
 820                         printf("%s %4s  %c%c\n",
 821                                 strncmp(ccode, curcode, 2) ? " " : "*",
 822                                 ccode, (l->iso3166 / 256), (l->iso3166 % 256));
 823                 }
 824         }
 825 }
 826
 827 static void print_htmodelist(const struct iwinfo_ops *iw, const char *ifname)
 828 {
 829         int i, htmodes = 0;
 830
 831         if (iw->htmodelist(ifname, &htmodes))
 832         {
 833                 printf("No HT mode information available\n");
 834                 return;
 835         }
 836
 837         for (i = 0; i < ARRAY_SIZE(IWINFO_HTMODE_NAMES); i++)
 838                 if (htmodes & (1 << i))
 839                         printf("%s ", IWINFO_HTMODE_NAMES[i]);
 840
 841         printf("\n");
 842 }
 843
 844 static void lookup_phy(const struct iwinfo_ops *iw, const char *section)
 845 {
 846         char buf[IWINFO_BUFSIZE];
 847
 848         if (!iw->lookup_phy)
 849         {
 850                 fprintf(stderr, "Not supported\n");
 851                 return;
 852         }
 853
 854         if (iw->lookup_phy(section, buf))
 855         {
 856                 fprintf(stderr, "Phy not found\n");
 857                 return;
 858         }
 859
 860         printf("%s\n", buf);
 861 }
 862
 863
 864 int main(int argc, char **argv)
 865 {
 866         int i, rv = 0;
 867         char *p;
 868         const struct iwinfo_ops *iw;
 869         glob_t globbuf;
 870
 871         if (argc > 1 && argc < 3)
 872         {
 873                 fprintf(stderr,
 874                         "Usage:\n"
 875                         "       iwinfo <device> info\n"
 876                         "       iwinfo <device> scan\n"
 877                         "       iwinfo <device> txpowerlist\n"
 878                         "       iwinfo <device> freqlist\n"
 879                         "       iwinfo <device> assoclist\n"
 880                         "       iwinfo <device> countrylist\n"
 881                         "       iwinfo <device> htmodelist\n"
 882                         "       iwinfo <backend> phyname <section>\n"
 883                 );
 884
 885                 return 1;
 886         }
 887
 888         if (argc == 1)
 889         {
 890                 glob("/sys/class/net/*", 0, NULL, &globbuf);
 891
 892                 for (i = 0; i < globbuf.gl_pathc; i++)
 893                 {
 894                         p = strrchr(globbuf.gl_pathv[i], '/');
 895
 896                         if (!p)
 897                                 continue;
 898
 899                         iw = iwinfo_backend(++p);
 900
 901                         if (!iw)
 902                                 continue;
 903
 904                         print_info(iw, p);
 905                         printf("\n");
 906                 }
 907
 908                 globfree(&globbuf);
 909                 return 0;
 910         }
 911
 912         if (argc > 3)
 913         {
 914                 iw = iwinfo_backend_by_name(argv[1]);
 915
 916                 if (!iw)
 917                 {
 918                         fprintf(stderr, "No such wireless backend: %s\n", argv[1]);
 919                         rv = 1;
 920                 }
 921                 else
 922                 {
 923                         switch (argv[2][0])
 924                         {
 925                         case 'p':
 926                                 lookup_phy(iw, argv[3]);
 927                                 break;
 928
 929                         default:
 930                                 fprintf(stderr, "Unknown command: %s\n", argv[2]);
 931                                 rv = 1;
 932                         }
 933                 }
 934         }
 935         else
 936         {
 937                 iw = iwinfo_backend(argv[1]);
 938
 939                 if (!iw)
 940                 {
 941                         fprintf(stderr, "No such wireless device: %s\n", argv[1]);
 942                         rv = 1;
 943                 }
 944                 else
 945                 {
 946                         for (i = 2; i < argc; i++)
 947                         {
 948                                 switch(argv[i][0])
 949                                 {
 950                                 case 'i':
 951                                         print_info(iw, argv[1]);
 952                                         break;
 953
 954                                 case 's':
 955                                         print_scanlist(iw, argv[1]);
 956                                         break;
 957
 958                                 case 't':
 959                                         print_txpwrlist(iw, argv[1]);
 960                                         break;
 961
 962                                 case 'f':
 963                                         print_freqlist(iw, argv[1]);
 964                                         break;
 965
 966                                 case 'a':
 967                                         print_assoclist(iw, argv[1]);
 968                                         break;
 969
 970                                 case 'c':
 971                                         print_countrylist(iw, argv[1]);
 972                                         break;
 973
 974                                 case 'h':
 975                                         print_htmodelist(iw, argv[1]);
 976                                         break;
 977
 978                                 default:
 979                                         fprintf(stderr, "Unknown command: %s\n", argv[i]);
 980                                         rv = 1;
 981                                 }
 982                         }
 983                 }
 984         }
 985
 986         iwinfo_finish();
 987
 988         return rv;
 989 }