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c052d630fced5089b509b9335d661cfe9d4be28f
[project/iwinfo.git] / 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_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 char *pos = buf;
207 int i, n;
208
209 if (!c)
210 {
211 snprintf(buf, sizeof(buf), "unknown");
212 }
213 else if (c->enabled)
214 {
215 /* WEP */
216 if (c->auth_algs && !c->wpa_version)
217 {
218 if ((c->auth_algs & IWINFO_AUTH_OPEN) &&
219 (c->auth_algs & IWINFO_AUTH_SHARED))
220 {
221 snprintf(buf, sizeof(buf), "WEP Open/Shared (%s)",
222 format_enc_ciphers(c->pair_ciphers));
223 }
224 else if (c->auth_algs & IWINFO_AUTH_OPEN)
225 {
226 snprintf(buf, sizeof(buf), "WEP Open System (%s)",
227 format_enc_ciphers(c->pair_ciphers));
228 }
229 else if (c->auth_algs & IWINFO_AUTH_SHARED)
230 {
231 snprintf(buf, sizeof(buf), "WEP Shared Auth (%s)",
232 format_enc_ciphers(c->pair_ciphers));
233 }
234 }
235
236 /* WPA */
237 else if (c->wpa_version)
238 {
239 for (i = 0, n = 0; i < 3; i++)
240 if (c->wpa_version & (1 << i))
241 n++;
242
243 if (n > 1)
244 pos += sprintf(pos, "mixed ");
245
246 for (i = 0; i < 3; i++)
247 if (c->wpa_version & (1 << i))
248 if (i)
249 pos += sprintf(pos, "WPA%d/", i + 1);
250 else
251 pos += sprintf(pos, "WPA/");
252
253 pos--;
254
255 sprintf(pos, " %s (%s)",
256 format_enc_suites(c->auth_suites),
257 format_enc_ciphers(c->pair_ciphers | c->group_ciphers));
258 }
259 else
260 {
261 snprintf(buf, sizeof(buf), "none");
262 }
263 }
264 else
265 {
266 snprintf(buf, sizeof(buf), "none");
267 }
268
269 return buf;
270 }
271
272 static char * format_hwmodes(int modes)
273 {
274 static char buf[15];
275
276 if (modes <= 0)
277 snprintf(buf, sizeof(buf), "unknown");
278 else
279 snprintf(buf, sizeof(buf), "802.11%s%s%s%s%s%s",
280 (modes & IWINFO_80211_A) ? "a" : "",
281 (modes & IWINFO_80211_B) ? "b" : "",
282 (modes & IWINFO_80211_G) ? "g" : "",
283 (modes & IWINFO_80211_N) ? "n" : "",
284 (modes & IWINFO_80211_AC) ? "ac" : "",
285 (modes & IWINFO_80211_AD) ? "ad" : "");
286
287 return buf;
288 }
289
290 static char * format_assocrate(struct iwinfo_rate_entry *r)
291 {
292 static char buf[80];
293 char *p = buf;
294 int l = sizeof(buf);
295
296 if (r->rate <= 0)
297 {
298 snprintf(buf, sizeof(buf), "unknown");
299 }
300 else
301 {
302 p += snprintf(p, l, "%s", format_rate(r->rate));
303 l = sizeof(buf) - (p - buf);
304
305 if (r->is_ht)
306 {
307 p += snprintf(p, l, ", MCS %d, %dMHz", r->mcs, r->mhz);
308 l = sizeof(buf) - (p - buf);
309 }
310 else if (r->is_vht)
311 {
312 p += snprintf(p, l, ", VHT-MCS %d, %dMHz", r->mcs, r->mhz);
313 l = sizeof(buf) - (p - buf);
314
315 if (r->nss)
316 {
317 p += snprintf(p, l, ", VHT-NSS %d", r->nss);
318 l = sizeof(buf) - (p - buf);
319 }
320 }
321 }
322
323 return buf;
324 }
325
326 static const char* format_chan_width(uint16_t width)
327 {
328 switch (width) {
329 case 20: return "20 MHz";
330 case 2040: return "40 MHz and upper or 20 MHz with intolerant bit";
331 case 40: return "40 MHz or lower";
332 case 80: return "80 MHz";
333 case 8080: return "80+80 MHz";
334 case 160: return "160 MHz";
335 }
336
337 return "unknown";
338 }
339
340
341 static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
342 {
343 const char *type = iwinfo_type(ifname);
344 return type ? type : "unknown";
345 }
346
347 static char * print_hardware_id(const struct iwinfo_ops *iw, const char *ifname)
348 {
349 static char buf[20];
350 struct iwinfo_hardware_id ids;
351
352 if (!iw->hardware_id(ifname, (char *)&ids))
353 {
354 snprintf(buf, sizeof(buf), "%04X:%04X %04X:%04X",
355 ids.vendor_id, ids.device_id,
356 ids.subsystem_vendor_id, ids.subsystem_device_id);
357 }
358 else
359 {
360 snprintf(buf, sizeof(buf), "unknown");
361 }
362
363 return buf;
364 }
365
366 static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifname)
367 {
368 static char buf[128];
369
370 if (iw->hardware_name(ifname, buf))
371 snprintf(buf, sizeof(buf), "unknown");
372
373 return buf;
374 }
375
376 static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
377 {
378 int off;
379 static char buf[12];
380
381 if (iw->txpower_offset(ifname, &off))
382 snprintf(buf, sizeof(buf), "unknown");
383 else if (off != 0)
384 snprintf(buf, sizeof(buf), "%d dB", off);
385 else
386 snprintf(buf, sizeof(buf), "none");
387
388 return buf;
389 }
390
391 static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
392 {
393 int off;
394 static char buf[12];
395
396 if (iw->frequency_offset(ifname, &off))
397 snprintf(buf, sizeof(buf), "unknown");
398 else if (off != 0)
399 snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
400 else
401 snprintf(buf, sizeof(buf), "none");
402
403 return buf;
404 }
405
406 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
407 {
408 char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
409
410 if (iw->ssid(ifname, buf))
411 memset(buf, 0, sizeof(buf));
412
413 return format_ssid(buf);
414 }
415
416 static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
417 {
418 static char buf[18] = { 0 };
419
420 if (iw->bssid(ifname, buf))
421 snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
422
423 return buf;
424 }
425
426 static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
427 {
428 int mode;
429 static char buf[128];
430
431 if (iw->mode(ifname, &mode))
432 mode = IWINFO_OPMODE_UNKNOWN;
433
434 snprintf(buf, sizeof(buf), "%s", IWINFO_OPMODE_NAMES[mode]);
435
436 return buf;
437 }
438
439 static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
440 {
441 int ch;
442 if (iw->channel(ifname, &ch))
443 ch = -1;
444
445 return format_channel(ch);
446 }
447
448 static char * print_center_chan1(const struct iwinfo_ops *iw, const char *ifname)
449 {
450 int ch;
451 if (iw->center_chan1(ifname, &ch))
452 ch = -1;
453
454 return format_channel(ch);
455 }
456
457 static char * print_center_chan2(const struct iwinfo_ops *iw, const char *ifname)
458 {
459 int ch;
460 if (iw->center_chan2(ifname, &ch))
461 ch = -1;
462
463 return format_channel(ch);
464 }
465
466 static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
467 {
468 int freq;
469 if (iw->frequency(ifname, &freq))
470 freq = -1;
471
472 return format_frequency(freq);
473 }
474
475 static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
476 {
477 int pwr, off;
478 if (iw->txpower_offset(ifname, &off))
479 off = 0;
480
481 if (iw->txpower(ifname, &pwr))
482 pwr = -1;
483 else
484 pwr += off;
485
486 return format_txpower(pwr);
487 }
488
489 static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
490 {
491 int qual;
492 if (iw->quality(ifname, &qual))
493 qual = -1;
494
495 return format_quality(qual);
496 }
497
498 static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
499 {
500 int qmax;
501 if (iw->quality_max(ifname, &qmax))
502 qmax = -1;
503
504 return format_quality_max(qmax);
505 }
506
507 static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
508 {
509 int sig;
510 if (iw->signal(ifname, &sig))
511 sig = 0;
512
513 return format_signal(sig);
514 }
515
516 static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
517 {
518 int noise;
519 if (iw->noise(ifname, &noise))
520 noise = 0;
521
522 return format_noise(noise);
523 }
524
525 static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
526 {
527 int rate;
528 if (iw->bitrate(ifname, &rate))
529 rate = -1;
530
531 return format_rate(rate);
532 }
533
534 static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
535 {
536 struct iwinfo_crypto_entry c = { 0 };
537 if (iw->encryption(ifname, (char *)&c))
538 return format_encryption(NULL);
539
540 return format_encryption(&c);
541 }
542
543 static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
544 {
545 int modes;
546 if (iw->hwmodelist(ifname, &modes))
547 modes = -1;
548
549 return format_hwmodes(modes);
550 }
551
552 static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
553 {
554 int supp;
555 static char buf[4];
556
557 if (iw->mbssid_support(ifname, &supp))
558 snprintf(buf, sizeof(buf), "no");
559 else
560 snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
561
562 return buf;
563 }
564
565 static char * print_phyname(const struct iwinfo_ops *iw, const char *ifname)
566 {
567 static char buf[32];
568
569 if (!iw->phyname(ifname, buf))
570 return buf;
571
572 return "?";
573 }
574
575
576 static void print_info(const struct iwinfo_ops *iw, const char *ifname)
577 {
578 printf("%-9s ESSID: %s\n",
579 ifname,
580 print_ssid(iw, ifname));
581 printf(" Access Point: %s\n",
582 print_bssid(iw, ifname));
583 printf(" Mode: %s Channel: %s (%s)\n",
584 print_mode(iw, ifname),
585 print_channel(iw, ifname),
586 print_frequency(iw, ifname));
587 if (iw->center_chan1 != NULL) {
588 printf(" Center Channel 1: %s",
589 print_center_chan1(iw, ifname));
590 printf(" 2: %s\n", print_center_chan2(iw, ifname));
591 }
592 printf(" Tx-Power: %s Link Quality: %s/%s\n",
593 print_txpower(iw, ifname),
594 print_quality(iw, ifname),
595 print_quality_max(iw, ifname));
596 printf(" Signal: %s Noise: %s\n",
597 print_signal(iw, ifname),
598 print_noise(iw, ifname));
599 printf(" Bit Rate: %s\n",
600 print_rate(iw, ifname));
601 printf(" Encryption: %s\n",
602 print_encryption(iw, ifname));
603 printf(" Type: %s HW Mode(s): %s\n",
604 print_type(iw, ifname),
605 print_hwmodes(iw, ifname));
606 printf(" Hardware: %s [%s]\n",
607 print_hardware_id(iw, ifname),
608 print_hardware_name(iw, ifname));
609 printf(" TX power offset: %s\n",
610 print_txpower_offset(iw, ifname));
611 printf(" Frequency offset: %s\n",
612 print_frequency_offset(iw, ifname));
613 printf(" Supports VAPs: %s PHY name: %s\n",
614 print_mbssid_supp(iw, ifname),
615 print_phyname(iw, ifname));
616 }
617
618
619 static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
620 {
621 int i, x, len;
622 char buf[IWINFO_BUFSIZE];
623 struct iwinfo_scanlist_entry *e;
624
625 if (iw->scanlist(ifname, buf, &len))
626 {
627 printf("Scanning not possible\n\n");
628 return;
629 }
630 else if (len <= 0)
631 {
632 printf("No scan results\n\n");
633 return;
634 }
635
636 for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
637 {
638 e = (struct iwinfo_scanlist_entry *) &buf[i];
639
640 printf("Cell %02d - Address: %s\n",
641 x,
642 format_bssid(e->mac));
643 printf(" ESSID: %s\n",
644 format_ssid(e->ssid));
645 printf(" Mode: %s Channel: %s\n",
646 IWINFO_OPMODE_NAMES[e->mode],
647 format_channel(e->channel));
648 printf(" Signal: %s Quality: %s/%s\n",
649 format_signal(e->signal - 0x100),
650 format_quality(e->quality),
651 format_quality_max(e->quality_max));
652 printf(" Encryption: %s\n",
653 format_encryption(&e->crypto));
654 printf(" HT Operation:\n");
655 printf(" Primary Channel: %d\n",
656 e->ht_chan_info.primary_chan);
657 printf(" Secondary Channel Offset: %s\n",
658 ht_secondary_offset[e->ht_chan_info.secondary_chan_off]);
659 printf(" Channel Width: %s\n",
660 format_chan_width(e->ht_chan_info.chan_width));
661
662 if (e->vht_chan_info.center_chan_1) {
663 printf(" VHT Operation:\n");
664 printf(" Channel Width: %s\n",
665 format_chan_width(e->vht_chan_info.chan_width));
666 printf(" Center Frequency 1: %d\n",
667 e->vht_chan_info.center_chan_1);
668 printf(" Center Frequency 2: %d\n",
669 e->vht_chan_info.center_chan_2);
670 }
671
672 printf("\n");
673 }
674 }
675
676
677 static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
678 {
679 int len, pwr, off, i;
680 char buf[IWINFO_BUFSIZE];
681 struct iwinfo_txpwrlist_entry *e;
682
683 if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
684 {
685 printf("No TX power information available\n");
686 return;
687 }
688
689 if (iw->txpower(ifname, &pwr))
690 pwr = -1;
691
692 if (iw->txpower_offset(ifname, &off))
693 off = 0;
694
695 for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
696 {
697 e = (struct iwinfo_txpwrlist_entry *) &buf[i];
698
699 printf("%s%3d dBm (%4d mW)\n",
700 (pwr == e->dbm) ? "*" : " ",
701 e->dbm + off,
702 iwinfo_dbm2mw(e->dbm + off));
703 }
704 }
705
706
707 static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
708 {
709 int i, len, ch;
710 char buf[IWINFO_BUFSIZE];
711 struct iwinfo_freqlist_entry *e;
712
713 if (iw->freqlist(ifname, buf, &len) || len <= 0)
714 {
715 printf("No frequency information available\n");
716 return;
717 }
718
719 if (iw->channel(ifname, &ch))
720 ch = -1;
721
722 for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
723 {
724 e = (struct iwinfo_freqlist_entry *) &buf[i];
725
726 printf("%s %s (Channel %s)%s\n",
727 (ch == e->channel) ? "*" : " ",
728 format_frequency(e->mhz),
729 format_channel(e->channel),
730 e->restricted ? " [restricted]" : "");
731 }
732 }
733
734
735 static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
736 {
737 int i, len;
738 char buf[IWINFO_BUFSIZE];
739 struct iwinfo_assoclist_entry *e;
740
741 if (iw->assoclist(ifname, buf, &len))
742 {
743 printf("No information available\n");
744 return;
745 }
746 else if (len <= 0)
747 {
748 printf("No station connected\n");
749 return;
750 }
751
752 for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
753 {
754 e = (struct iwinfo_assoclist_entry *) &buf[i];
755
756 printf("%s %s / %s (SNR %d) %d ms ago\n",
757 format_bssid(e->mac),
758 format_signal(e->signal),
759 format_noise(e->noise),
760 (e->signal - e->noise),
761 e->inactive);
762
763 printf(" RX: %-38s %8d Pkts.\n",
764 format_assocrate(&e->rx_rate),
765 e->rx_packets
766 );
767
768 printf(" TX: %-38s %8d Pkts.\n",
769 format_assocrate(&e->tx_rate),
770 e->tx_packets
771 );
772
773 printf(" expected throughput: %s\n\n",
774 format_rate(e->thr));
775 }
776 }
777
778
779 static char * lookup_country(char *buf, int len, int iso3166)
780 {
781 int i;
782 struct iwinfo_country_entry *c;
783
784 for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
785 {
786 c = (struct iwinfo_country_entry *) &buf[i];
787
788 if (c->iso3166 == iso3166)
789 return c->ccode;
790 }
791
792 return NULL;
793 }
794
795 static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
796 {
797 int len;
798 char buf[IWINFO_BUFSIZE];
799 char *ccode;
800 char curcode[3];
801 const struct iwinfo_iso3166_label *l;
802
803 if (iw->countrylist(ifname, buf, &len))
804 {
805 printf("No country code information available\n");
806 return;
807 }
808
809 if (iw->country(ifname, curcode))
810 memset(curcode, 0, sizeof(curcode));
811
812 for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
813 {
814 if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
815 {
816 printf("%s %4s %c%c\n",
817 strncmp(ccode, curcode, 2) ? " " : "*",
818 ccode, (l->iso3166 / 256), (l->iso3166 % 256));
819 }
820 }
821 }
822
823 static void print_htmodelist(const struct iwinfo_ops *iw, const char *ifname)
824 {
825 int i, htmodes = 0;
826
827 if (iw->htmodelist(ifname, &htmodes))
828 {
829 printf("No HT mode information available\n");
830 return;
831 }
832
833 for (i = 0; i < ARRAY_SIZE(IWINFO_HTMODE_NAMES); i++)
834 if (htmodes & (1 << i))
835 printf("%s ", IWINFO_HTMODE_NAMES[i]);
836
837 printf("\n");
838 }
839
840 static void lookup_phy(const struct iwinfo_ops *iw, const char *section)
841 {
842 char buf[IWINFO_BUFSIZE];
843
844 if (!iw->lookup_phy)
845 {
846 fprintf(stderr, "Not supported\n");
847 return;
848 }
849
850 if (iw->lookup_phy(section, buf))
851 {
852 fprintf(stderr, "Phy not found\n");
853 return;
854 }
855
856 printf("%s\n", buf);
857 }
858
859
860 int main(int argc, char **argv)
861 {
862 int i, rv = 0;
863 char *p;
864 const struct iwinfo_ops *iw;
865 glob_t globbuf;
866
867 if (argc > 1 && argc < 3)
868 {
869 fprintf(stderr,
870 "Usage:\n"
871 " iwinfo <device> info\n"
872 " iwinfo <device> scan\n"
873 " iwinfo <device> txpowerlist\n"
874 " iwinfo <device> freqlist\n"
875 " iwinfo <device> assoclist\n"
876 " iwinfo <device> countrylist\n"
877 " iwinfo <device> htmodelist\n"
878 " iwinfo <backend> phyname <section>\n"
879 );
880
881 return 1;
882 }
883
884 if (argc == 1)
885 {
886 glob("/sys/class/net/*", 0, NULL, &globbuf);
887
888 for (i = 0; i < globbuf.gl_pathc; i++)
889 {
890 p = strrchr(globbuf.gl_pathv[i], '/');
891
892 if (!p)
893 continue;
894
895 iw = iwinfo_backend(++p);
896
897 if (!iw)
898 continue;
899
900 print_info(iw, p);
901 printf("\n");
902 }
903
904 globfree(&globbuf);
905 return 0;
906 }
907
908 if (argc > 3)
909 {
910 iw = iwinfo_backend_by_name(argv[1]);
911
912 if (!iw)
913 {
914 fprintf(stderr, "No such wireless backend: %s\n", argv[1]);
915 rv = 1;
916 }
917 else
918 {
919 switch (argv[2][0])
920 {
921 case 'p':
922 lookup_phy(iw, argv[3]);
923 break;
924
925 default:
926 fprintf(stderr, "Unknown command: %s\n", argv[2]);
927 rv = 1;
928 }
929 }
930 }
931 else
932 {
933 iw = iwinfo_backend(argv[1]);
934
935 if (!iw)
936 {
937 fprintf(stderr, "No such wireless device: %s\n", argv[1]);
938 rv = 1;
939 }
940 else
941 {
942 for (i = 2; i < argc; i++)
943 {
944 switch(argv[i][0])
945 {
946 case 'i':
947 print_info(iw, argv[1]);
948 break;
949
950 case 's':
951 print_scanlist(iw, argv[1]);
952 break;
953
954 case 't':
955 print_txpwrlist(iw, argv[1]);
956 break;
957
958 case 'f':
959 print_freqlist(iw, argv[1]);
960 break;
961
962 case 'a':
963 print_assoclist(iw, argv[1]);
964 break;
965
966 case 'c':
967 print_countrylist(iw, argv[1]);
968 break;
969
970 case 'h':
971 print_htmodelist(iw, argv[1]);
972 break;
973
974 default:
975 fprintf(stderr, "Unknown command: %s\n", argv[i]);
976 rv = 1;
977 }
978 }
979 }
980 }
981
982 iwinfo_finish();
983
984 return rv;
985 }
Library for accessing wireless device drivers