1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
#!/usr/bin/lua
require "iwinfo"
function printf(fmt, ...)
print(string.format(fmt, ...))
end
function s(x)
if x == nil then
return "?"
else
return tostring(x)
end
end
function n(x)
if x == nil then
return 0
else
return tonumber(x)
end
end
function print_info(api, dev)
local iw = iwinfo[api]
local enc = iw.encryption(dev)
printf("%-9s Type: %s ESSID: \"%s\"",
dev, api, s(iw.ssid(dev)))
printf(" Access Point: %s",
s(iw.bssid(dev)))
printf(" Mode: %s Channel: %d (%.3f GHz)",
iw.mode(dev), n(iw.channel(dev)), n(iw.frequency(dev)) / 1000)
printf(" Tx-Power: %s dBm Link Quality: %s/%s",
s(iw.txpower(dev)), s(iw.quality(dev)), s(iw.quality_max(dev)))
printf(" Signal: %s dBm Noise: %s dBm",
s(iw.signal(dev)), s(iw.noise(dev)))
printf(" Bit Rate: %.1f MBit/s",
n(iw.bitrate(dev)) / 1000)
printf(" Encryption: %s",
s(enc and enc.description))
print("")
end
function print_scan(api, dev)
local iw = iwinfo[api]
local sr = iw.scanlist(dev)
local si, se
if sr and #sr > 0 then
for si, se in ipairs(sr) do
printf("Cell %02d - Address: %s", si, se.bssid)
printf(" ESSID: \"%s\"",
s(se.ssid))
printf(" Mode: %s Channel: %d",
s(se.mode), n(se.channel))
printf(" Signal: %s dBm Quality: %d/%d",
s(se.signal), n(se.quality), n(se.quality_max))
printf(" Encryption: %s",
s(se.encryption.description))
print("")
end
else
print("No scan results or scanning not possible")
print("")
end
end
function print_txpwrlist(api, dev)
local iw = iwinfo[api]
local pl = iw.txpwrlist(dev)
local cp = n(iw.txpower(dev))
local pe
if pl and #pl > 0 then
for _, pe in ipairs(pl) do
printf("%s%3d dBm (%4d mW)",
(cp == pe.dbm) and "*" or " ",
n(pe.dbm), n(pe.mw))
end
else
print("No TX power information available")
end
print("")
end
function print_freqlist(api, dev)
local iw = iwinfo[api]
local fl = iw.freqlist(dev)
local cc = n(iw.channel(dev))
local fe
if fl and #fl > 0 then
for _, fe in ipairs(fl) do
printf("%s %.3f GHz (Channel %d)",
(cc == fe.channel) and "*" or " ",
n(fe.mhz) / 1000, n(fe.channel))
end
else
print("No frequency information available")
end
print("")
end
function print_assoclist(api, dev)
local iw = iwinfo[api]
local al = iw.assoclist(dev)
local ai, ae
if al and next(al) then
for ai, ae in pairs(al) do
printf("%s %s dBm", ai, s(ae.signal))
end
else
print("No client connected or no information available")
end
print("")
end
function print_countrylist(api, dev)
local iw = iwinfo[api]
local cl = iw.countrylist(dev)
local cc = iw.country(dev)
local ce
if cl and #cl > 0 then
for _, ce in ipairs(cl) do
printf("%s %4s %s",
(cc == ce.alpha2) and "*" or " ",
ce.ccode, ce.name)
end
else
print("No country code information available")
end
print("")
end
if #arg ~= 2 then
print("Usage:")
print(" iwinfo <device> info")
print(" iwinfo <device> scan")
print(" iwinfo <device> txpowerlist")
print(" iwinfo <device> freqlist")
print(" iwinfo <device> assoclist")
print(" iwinfo <device> countrylist")
os.exit(1)
end
local dev = arg[1]
local api = iwinfo.type(dev)
if not api then
print("No such wireless device: " .. dev)
os.exit(1)
end
if arg[2]:match("^i") then
print_info(api, dev)
elseif arg[2]:match("^s") then
print_scan(api, dev)
elseif arg[2]:match("^t") then
print_txpwrlist(api, dev)
elseif arg[2]:match("^f") then
print_freqlist(api, dev)
elseif arg[2]:match("^a") then
print_assoclist(api, dev)
elseif arg[2]:match("^c") then
print_countrylist(api, dev)
else
print("Unknown command: " .. arg[2])
end
|
