2 * iwinfo - Wireless Information Library - Command line frontend
4 * Copyright (C) 2011 Jo-Philipp Wich <xm@subsignal.org>
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.
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.
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/.
25 static char * format_bssid(unsigned char *mac
)
29 snprintf(buf
, sizeof(buf
), "%02X:%02X:%02X:%02X:%02X:%02X",
30 mac
[0], mac
[1], mac
[2], mac
[3], mac
[4], mac
[5]);
35 static char * format_ssid(char *ssid
)
37 static char buf
[IWINFO_ESSID_MAX_SIZE
+3];
40 snprintf(buf
, sizeof(buf
), "\"%s\"", ssid
);
42 snprintf(buf
, sizeof(buf
), "unknown");
47 static char * format_channel(int ch
)
52 snprintf(buf
, sizeof(buf
), "unknown");
54 snprintf(buf
, sizeof(buf
), "%d", ch
);
59 static char * format_frequency(int freq
)
64 snprintf(buf
, sizeof(buf
), "unknown");
66 snprintf(buf
, sizeof(buf
), "%.3f GHz", ((float)freq
/ 1000.0));
71 static char * format_txpower(int pwr
)
76 snprintf(buf
, sizeof(buf
), "unknown");
78 snprintf(buf
, sizeof(buf
), "%d dBm", pwr
);
83 static char * format_quality(int qual
)
88 snprintf(buf
, sizeof(buf
), "unknown");
90 snprintf(buf
, sizeof(buf
), "%d", qual
);
95 static char * format_quality_max(int qmax
)
100 snprintf(buf
, sizeof(buf
), "unknown");
102 snprintf(buf
, sizeof(buf
), "%d", qmax
);
107 static char * format_signal(int sig
)
112 snprintf(buf
, sizeof(buf
), "unknown");
114 snprintf(buf
, sizeof(buf
), "%d dBm", sig
);
119 static char * format_noise(int noise
)
124 snprintf(buf
, sizeof(buf
), "unknown");
126 snprintf(buf
, sizeof(buf
), "%d dBm", noise
);
131 static char * format_rate(int rate
)
136 snprintf(buf
, sizeof(buf
), "unknown");
138 snprintf(buf
, sizeof(buf
), "%d.%d MBit/s",
139 rate
/ 1000, (rate
% 1000) / 100);
144 static char * format_enc_ciphers(int ciphers
)
146 static char str
[128] = { 0 };
149 if (ciphers
& IWINFO_CIPHER_WEP40
)
150 pos
+= sprintf(pos
, "WEP-40, ");
152 if (ciphers
& IWINFO_CIPHER_WEP104
)
153 pos
+= sprintf(pos
, "WEP-104, ");
155 if (ciphers
& IWINFO_CIPHER_TKIP
)
156 pos
+= sprintf(pos
, "TKIP, ");
158 if (ciphers
& IWINFO_CIPHER_CCMP
)
159 pos
+= sprintf(pos
, "CCMP, ");
161 if (ciphers
& IWINFO_CIPHER_GCMP
)
162 pos
+= sprintf(pos
, "GCMP, ");
164 if (ciphers
& IWINFO_CIPHER_WRAP
)
165 pos
+= sprintf(pos
, "WRAP, ");
167 if (ciphers
& IWINFO_CIPHER_AESOCB
)
168 pos
+= sprintf(pos
, "AES-OCB, ");
170 if (ciphers
& IWINFO_CIPHER_CKIP
)
171 pos
+= sprintf(pos
, "CKIP, ");
173 if (!ciphers
|| (ciphers
& IWINFO_CIPHER_NONE
))
174 pos
+= sprintf(pos
, "NONE, ");
181 static char * format_enc_suites(int suites
)
183 static char str
[64] = { 0 };
186 if (suites
& IWINFO_KMGMT_PSK
)
187 pos
+= sprintf(pos
, "PSK/");
189 if (suites
& IWINFO_KMGMT_8021x
)
190 pos
+= sprintf(pos
, "802.1X/");
192 if (suites
& IWINFO_KMGMT_SAE
)
193 pos
+= sprintf(pos
, "SAE/");
195 if (suites
& IWINFO_KMGMT_OWE
)
196 pos
+= sprintf(pos
, "OWE/");
198 if (!suites
|| (suites
& IWINFO_KMGMT_NONE
))
199 pos
+= sprintf(pos
, "NONE/");
206 static char * format_encryption(struct iwinfo_crypto_entry
*c
)
208 static char buf
[512];
214 snprintf(buf
, sizeof(buf
), "unknown");
219 if (c
->auth_algs
&& !c
->wpa_version
)
221 if ((c
->auth_algs
& IWINFO_AUTH_OPEN
) &&
222 (c
->auth_algs
& IWINFO_AUTH_SHARED
))
224 snprintf(buf
, sizeof(buf
), "WEP Open/Shared (%s)",
225 format_enc_ciphers(c
->pair_ciphers
));
227 else if (c
->auth_algs
& IWINFO_AUTH_OPEN
)
229 snprintf(buf
, sizeof(buf
), "WEP Open System (%s)",
230 format_enc_ciphers(c
->pair_ciphers
));
232 else if (c
->auth_algs
& IWINFO_AUTH_SHARED
)
234 snprintf(buf
, sizeof(buf
), "WEP Shared Auth (%s)",
235 format_enc_ciphers(c
->pair_ciphers
));
240 else if (c
->wpa_version
)
242 for (i
= 0, n
= 0; i
< 3; i
++)
243 if (c
->wpa_version
& (1 << i
))
247 pos
+= sprintf(pos
, "mixed ");
249 for (i
= 0; i
< 3; i
++)
250 if (c
->wpa_version
& (1 << i
))
252 pos
+= sprintf(pos
, "WPA%d/", i
+ 1);
254 pos
+= sprintf(pos
, "WPA/");
258 sprintf(pos
, " %s (%s)",
259 format_enc_suites(c
->auth_suites
),
260 format_enc_ciphers(c
->pair_ciphers
| c
->group_ciphers
));
264 snprintf(buf
, sizeof(buf
), "none");
269 snprintf(buf
, sizeof(buf
), "none");
275 static char * format_hwmodes(int modes
)
280 snprintf(buf
, sizeof(buf
), "unknown");
282 snprintf(buf
, sizeof(buf
), "802.11%s%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" : "");
294 static char * format_assocrate(struct iwinfo_rate_entry
*r
)
302 snprintf(buf
, sizeof(buf
), "unknown");
306 p
+= snprintf(p
, l
, "%s", format_rate(r
->rate
));
307 l
= sizeof(buf
) - (p
- buf
);
311 p
+= snprintf(p
, l
, ", MCS %d, %dMHz", r
->mcs
, r
->mhz
);
312 l
= sizeof(buf
) - (p
- buf
);
316 p
+= snprintf(p
, l
, ", VHT-MCS %d, %dMHz", r
->mcs
, r
->mhz
);
317 l
= sizeof(buf
) - (p
- buf
);
321 p
+= snprintf(p
, l
, ", VHT-NSS %d", r
->nss
);
322 l
= sizeof(buf
) - (p
- buf
);
327 p
+= snprintf(p
, l
, ", HE-MCS %d, %dMHz", r
->mcs
, r
->mhz
);
328 l
= sizeof(buf
) - (p
- buf
);
330 p
+= snprintf(p
, l
, ", HE-NSS %d", r
->nss
);
331 l
= sizeof(buf
) - (p
- buf
);
333 p
+= snprintf(p
, l
, ", HE-GI %d", r
->he_gi
);
334 l
= sizeof(buf
) - (p
- buf
);
336 p
+= snprintf(p
, l
, ", HE-DCM %d", r
->he_dcm
);
337 l
= sizeof(buf
) - (p
- buf
);
344 static const char* format_chan_width(uint16_t width
)
347 case 20: return "20 MHz";
348 case 2040: return "40 MHz and upper or 20 MHz with intolerant bit";
349 case 40: return "40 MHz or lower";
350 case 80: return "80 MHz";
351 case 8080: return "80+80 MHz";
352 case 160: return "160 MHz";
359 static const char * print_type(const struct iwinfo_ops
*iw
, const char *ifname
)
361 const char *type
= iwinfo_type(ifname
);
362 return type
? type
: "unknown";
365 static char * print_hardware_id(const struct iwinfo_ops
*iw
, const char *ifname
)
368 struct iwinfo_hardware_id ids
;
370 if (!iw
->hardware_id(ifname
, (char *)&ids
))
372 snprintf(buf
, sizeof(buf
), "%04X:%04X %04X:%04X",
373 ids
.vendor_id
, ids
.device_id
,
374 ids
.subsystem_vendor_id
, ids
.subsystem_device_id
);
378 snprintf(buf
, sizeof(buf
), "unknown");
384 static char * print_hardware_name(const struct iwinfo_ops
*iw
, const char *ifname
)
386 static char buf
[128];
388 if (iw
->hardware_name(ifname
, buf
))
389 snprintf(buf
, sizeof(buf
), "unknown");
394 static char * print_txpower_offset(const struct iwinfo_ops
*iw
, const char *ifname
)
399 if (iw
->txpower_offset(ifname
, &off
))
400 snprintf(buf
, sizeof(buf
), "unknown");
402 snprintf(buf
, sizeof(buf
), "%d dB", off
);
404 snprintf(buf
, sizeof(buf
), "none");
409 static char * print_frequency_offset(const struct iwinfo_ops
*iw
, const char *ifname
)
414 if (iw
->frequency_offset(ifname
, &off
))
415 snprintf(buf
, sizeof(buf
), "unknown");
417 snprintf(buf
, sizeof(buf
), "%.3f GHz", ((float)off
/ 1000.0));
419 snprintf(buf
, sizeof(buf
), "none");
424 static char * print_ssid(const struct iwinfo_ops
*iw
, const char *ifname
)
426 char buf
[IWINFO_ESSID_MAX_SIZE
+1] = { 0 };
428 if (iw
->ssid(ifname
, buf
))
429 memset(buf
, 0, sizeof(buf
));
431 return format_ssid(buf
);
434 static char * print_bssid(const struct iwinfo_ops
*iw
, const char *ifname
)
436 static char buf
[18] = { 0 };
438 if (iw
->bssid(ifname
, buf
))
439 snprintf(buf
, sizeof(buf
), "00:00:00:00:00:00");
444 static char * print_mode(const struct iwinfo_ops
*iw
, const char *ifname
)
447 static char buf
[128];
449 if (iw
->mode(ifname
, &mode
))
450 mode
= IWINFO_OPMODE_UNKNOWN
;
452 snprintf(buf
, sizeof(buf
), "%s", IWINFO_OPMODE_NAMES
[mode
]);
457 static char * print_channel(const struct iwinfo_ops
*iw
, const char *ifname
)
460 if (iw
->channel(ifname
, &ch
))
463 return format_channel(ch
);
466 static char * print_center_chan1(const struct iwinfo_ops
*iw
, const char *ifname
)
469 if (iw
->center_chan1(ifname
, &ch
))
472 return format_channel(ch
);
475 static char * print_center_chan2(const struct iwinfo_ops
*iw
, const char *ifname
)
478 if (iw
->center_chan2(ifname
, &ch
))
481 return format_channel(ch
);
484 static char * print_frequency(const struct iwinfo_ops
*iw
, const char *ifname
)
487 if (iw
->frequency(ifname
, &freq
))
490 return format_frequency(freq
);
493 static char * print_txpower(const struct iwinfo_ops
*iw
, const char *ifname
)
496 if (iw
->txpower_offset(ifname
, &off
))
499 if (iw
->txpower(ifname
, &pwr
))
504 return format_txpower(pwr
);
507 static char * print_quality(const struct iwinfo_ops
*iw
, const char *ifname
)
510 if (iw
->quality(ifname
, &qual
))
513 return format_quality(qual
);
516 static char * print_quality_max(const struct iwinfo_ops
*iw
, const char *ifname
)
519 if (iw
->quality_max(ifname
, &qmax
))
522 return format_quality_max(qmax
);
525 static char * print_signal(const struct iwinfo_ops
*iw
, const char *ifname
)
528 if (iw
->signal(ifname
, &sig
))
531 return format_signal(sig
);
534 static char * print_noise(const struct iwinfo_ops
*iw
, const char *ifname
)
537 if (iw
->noise(ifname
, &noise
))
540 return format_noise(noise
);
543 static char * print_rate(const struct iwinfo_ops
*iw
, const char *ifname
)
546 if (iw
->bitrate(ifname
, &rate
))
549 return format_rate(rate
);
552 static char * print_encryption(const struct iwinfo_ops
*iw
, const char *ifname
)
554 struct iwinfo_crypto_entry c
= { 0 };
555 if (iw
->encryption(ifname
, (char *)&c
))
556 return format_encryption(NULL
);
558 return format_encryption(&c
);
561 static char * print_hwmodes(const struct iwinfo_ops
*iw
, const char *ifname
)
564 if (iw
->hwmodelist(ifname
, &modes
))
567 return format_hwmodes(modes
);
570 static char * print_mbssid_supp(const struct iwinfo_ops
*iw
, const char *ifname
)
575 if (iw
->mbssid_support(ifname
, &supp
))
576 snprintf(buf
, sizeof(buf
), "no");
578 snprintf(buf
, sizeof(buf
), "%s", supp
? "yes" : "no");
583 static char * print_phyname(const struct iwinfo_ops
*iw
, const char *ifname
)
587 if (!iw
->phyname(ifname
, buf
))
594 static void print_info(const struct iwinfo_ops
*iw
, const char *ifname
)
596 printf("%-9s ESSID: %s\n",
598 print_ssid(iw
, ifname
));
599 printf(" Access Point: %s\n",
600 print_bssid(iw
, ifname
));
601 printf(" Mode: %s Channel: %s (%s)\n",
602 print_mode(iw
, ifname
),
603 print_channel(iw
, ifname
),
604 print_frequency(iw
, ifname
));
605 if (iw
->center_chan1
!= NULL
) {
606 printf(" Center Channel 1: %s",
607 print_center_chan1(iw
, ifname
));
608 printf(" 2: %s\n", print_center_chan2(iw
, ifname
));
610 printf(" Tx-Power: %s Link Quality: %s/%s\n",
611 print_txpower(iw
, ifname
),
612 print_quality(iw
, ifname
),
613 print_quality_max(iw
, ifname
));
614 printf(" Signal: %s Noise: %s\n",
615 print_signal(iw
, ifname
),
616 print_noise(iw
, ifname
));
617 printf(" Bit Rate: %s\n",
618 print_rate(iw
, ifname
));
619 printf(" Encryption: %s\n",
620 print_encryption(iw
, ifname
));
621 printf(" Type: %s HW Mode(s): %s\n",
622 print_type(iw
, ifname
),
623 print_hwmodes(iw
, ifname
));
624 printf(" Hardware: %s [%s]\n",
625 print_hardware_id(iw
, ifname
),
626 print_hardware_name(iw
, ifname
));
627 printf(" TX power offset: %s\n",
628 print_txpower_offset(iw
, ifname
));
629 printf(" Frequency offset: %s\n",
630 print_frequency_offset(iw
, ifname
));
631 printf(" Supports VAPs: %s PHY name: %s\n",
632 print_mbssid_supp(iw
, ifname
),
633 print_phyname(iw
, ifname
));
637 static void print_scanlist(const struct iwinfo_ops
*iw
, const char *ifname
)
640 char buf
[IWINFO_BUFSIZE
];
641 struct iwinfo_scanlist_entry
*e
;
643 if (iw
->scanlist(ifname
, buf
, &len
))
645 printf("Scanning not possible\n\n");
650 printf("No scan results\n\n");
654 for (i
= 0, x
= 1; i
< len
; i
+= sizeof(struct iwinfo_scanlist_entry
), x
++)
656 e
= (struct iwinfo_scanlist_entry
*) &buf
[i
];
658 printf("Cell %02d - Address: %s\n",
660 format_bssid(e
->mac
));
661 printf(" ESSID: %s\n",
662 format_ssid(e
->ssid
));
663 printf(" Mode: %s Channel: %s\n",
664 IWINFO_OPMODE_NAMES
[e
->mode
],
665 format_channel(e
->channel
));
666 printf(" Signal: %s Quality: %s/%s\n",
667 format_signal(e
->signal
- 0x100),
668 format_quality(e
->quality
),
669 format_quality_max(e
->quality_max
));
670 printf(" Encryption: %s\n",
671 format_encryption(&e
->crypto
));
672 printf(" HT Operation:\n");
673 printf(" Primary Channel: %d\n",
674 e
->ht_chan_info
.primary_chan
);
675 printf(" Secondary Channel Offset: %s\n",
676 ht_secondary_offset
[e
->ht_chan_info
.secondary_chan_off
]);
677 printf(" Channel Width: %s\n",
678 format_chan_width(e
->ht_chan_info
.chan_width
));
680 if (e
->vht_chan_info
.center_chan_1
) {
681 printf(" VHT Operation:\n");
682 printf(" Channel Width: %s\n",
683 format_chan_width(e
->vht_chan_info
.chan_width
));
684 printf(" Center Frequency 1: %d\n",
685 e
->vht_chan_info
.center_chan_1
);
686 printf(" Center Frequency 2: %d\n",
687 e
->vht_chan_info
.center_chan_2
);
695 static void print_txpwrlist(const struct iwinfo_ops
*iw
, const char *ifname
)
697 int len
, pwr
, off
, i
;
698 char buf
[IWINFO_BUFSIZE
];
699 struct iwinfo_txpwrlist_entry
*e
;
701 if (iw
->txpwrlist(ifname
, buf
, &len
) || len
<= 0)
703 printf("No TX power information available\n");
707 if (iw
->txpower(ifname
, &pwr
))
710 if (iw
->txpower_offset(ifname
, &off
))
713 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_txpwrlist_entry
))
715 e
= (struct iwinfo_txpwrlist_entry
*) &buf
[i
];
717 printf("%s%3d dBm (%4d mW)\n",
718 (pwr
== e
->dbm
) ? "*" : " ",
720 iwinfo_dbm2mw(e
->dbm
+ off
));
725 static void print_freqlist(const struct iwinfo_ops
*iw
, const char *ifname
)
728 char buf
[IWINFO_BUFSIZE
];
729 struct iwinfo_freqlist_entry
*e
;
731 if (iw
->freqlist(ifname
, buf
, &len
) || len
<= 0)
733 printf("No frequency information available\n");
737 if (iw
->channel(ifname
, &ch
))
740 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_freqlist_entry
))
742 e
= (struct iwinfo_freqlist_entry
*) &buf
[i
];
744 printf("%s %s (Channel %s)%s\n",
745 (ch
== e
->channel
) ? "*" : " ",
746 format_frequency(e
->mhz
),
747 format_channel(e
->channel
),
748 e
->restricted
? " [restricted]" : "");
753 static void print_assoclist(const struct iwinfo_ops
*iw
, const char *ifname
)
756 char buf
[IWINFO_BUFSIZE
];
757 struct iwinfo_assoclist_entry
*e
;
759 if (iw
->assoclist(ifname
, buf
, &len
))
761 printf("No information available\n");
766 printf("No station connected\n");
770 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_assoclist_entry
))
772 e
= (struct iwinfo_assoclist_entry
*) &buf
[i
];
774 printf("%s %s / %s (SNR %d) %d ms ago\n",
775 format_bssid(e
->mac
),
776 format_signal(e
->signal
),
777 format_noise(e
->noise
),
778 (e
->signal
- e
->noise
),
781 printf(" RX: %-38s %8d Pkts.\n",
782 format_assocrate(&e
->rx_rate
),
786 printf(" TX: %-38s %8d Pkts.\n",
787 format_assocrate(&e
->tx_rate
),
791 printf(" expected throughput: %s\n\n",
792 format_rate(e
->thr
));
797 static char * lookup_country(char *buf
, int len
, int iso3166
)
800 struct iwinfo_country_entry
*c
;
802 for (i
= 0; i
< len
; i
+= sizeof(struct iwinfo_country_entry
))
804 c
= (struct iwinfo_country_entry
*) &buf
[i
];
806 if (c
->iso3166
== iso3166
)
813 static void print_countrylist(const struct iwinfo_ops
*iw
, const char *ifname
)
816 char buf
[IWINFO_BUFSIZE
];
819 const struct iwinfo_iso3166_label
*l
;
821 if (iw
->countrylist(ifname
, buf
, &len
))
823 printf("No country code information available\n");
827 if (iw
->country(ifname
, curcode
))
828 memset(curcode
, 0, sizeof(curcode
));
830 for (l
= IWINFO_ISO3166_NAMES
; l
->iso3166
; l
++)
832 if ((ccode
= lookup_country(buf
, len
, l
->iso3166
)) != NULL
)
834 printf("%s %4s %c%c\n",
835 strncmp(ccode
, curcode
, 2) ? " " : "*",
836 ccode
, (l
->iso3166
/ 256), (l
->iso3166
% 256));
841 static void print_htmodelist(const struct iwinfo_ops
*iw
, const char *ifname
)
845 if (iw
->htmodelist(ifname
, &htmodes
))
847 printf("No HT mode information available\n");
851 for (i
= 0; i
< ARRAY_SIZE(IWINFO_HTMODE_NAMES
); i
++)
852 if (htmodes
& (1 << i
))
853 printf("%s ", IWINFO_HTMODE_NAMES
[i
]);
858 static void lookup_phy(const struct iwinfo_ops
*iw
, const char *section
)
860 char buf
[IWINFO_BUFSIZE
];
864 fprintf(stderr
, "Not supported\n");
868 if (iw
->lookup_phy(section
, buf
))
870 fprintf(stderr
, "Phy not found\n");
878 static void lookup_path(const struct iwinfo_ops
*iw
, const char *phy
)
882 if (!iw
->phy_path
|| iw
->phy_path(phy
, &path
) || !path
)
885 printf("%s\n", path
);
888 int main(int argc
, char **argv
)
892 const struct iwinfo_ops
*iw
;
895 if (argc
> 1 && argc
< 3)
899 " iwinfo <device> info\n"
900 " iwinfo <device> scan\n"
901 " iwinfo <device> txpowerlist\n"
902 " iwinfo <device> freqlist\n"
903 " iwinfo <device> assoclist\n"
904 " iwinfo <device> countrylist\n"
905 " iwinfo <device> htmodelist\n"
906 " iwinfo <backend> phyname <section>\n"
914 glob("/sys/class/net/*", 0, NULL
, &globbuf
);
916 for (i
= 0; i
< globbuf
.gl_pathc
; i
++)
918 p
= strrchr(globbuf
.gl_pathv
[i
], '/');
923 iw
= iwinfo_backend(++p
);
938 iw
= iwinfo_backend_by_name(argv
[1]);
942 fprintf(stderr
, "No such wireless backend: %s\n", argv
[1]);
947 if (!strcmp(argv
[2], "path")) {
948 lookup_path(iw
, argv
[3]);
954 lookup_phy(iw
, argv
[3]);
958 fprintf(stderr
, "Unknown command: %s\n", argv
[2]);
965 iw
= iwinfo_backend(argv
[1]);
969 fprintf(stderr
, "No such wireless device: %s\n", argv
[1]);
974 for (i
= 2; i
< argc
; i
++)
979 print_info(iw
, argv
[1]);
983 print_scanlist(iw
, argv
[1]);
987 print_txpwrlist(iw
, argv
[1]);
991 print_freqlist(iw
, argv
[1]);
995 print_assoclist(iw
, argv
[1]);
999 print_countrylist(iw
, argv
[1]);
1003 print_htmodelist(iw
, argv
[1]);
1007 fprintf(stderr
, "Unknown command: %s\n", argv
[i
]);