5 function printf(fmt, ...)
6 print(string.format(fmt, ...))
25 function print_info(api, dev)
26 local iw = iwinfo[api]
27 local enc = iw.encryption(dev)
29 local function hwmode()
30 local m = iw.hwmodelist(dev)
33 if m.a then s = s.."a" end
34 if m.b then s = s.."b" end
35 if m.g then s = s.."g" end
36 if m.n then s = s.."n" end
43 printf("%-9s ESSID: \"%s\"",
46 printf(" Access Point: %s",
49 printf(" Type: %s HW Mode(s): %s",
52 printf(" Mode: %s Channel: %d (%.3f GHz)",
53 s(iw.mode(dev)), n(iw.channel(dev)), n(iw.frequency(dev)) / 1000)
55 printf(" Tx-Power: %s dBm Link Quality: %s/%s",
56 s(iw.txpower(dev)), s(iw.quality(dev)), s(iw.quality_max(dev)))
58 printf(" Signal: %s dBm Noise: %s dBm",
59 s(iw.signal(dev)), s(iw.noise(dev)))
61 printf(" Bit Rate: %.1f MBit/s",
62 n(iw.bitrate(dev)) / 1000)
64 printf(" Encryption: %s",
65 s(enc and enc.description or "None"))
67 printf(" Supports VAPs: %s",
68 iw.mbssid_support(dev) and "yes" or "no")
73 function print_scan(api, dev)
74 local iw = iwinfo[api]
75 local sr = iw.scanlist(dev)
78 if sr and #sr > 0 then
79 for si, se in ipairs(sr) do
80 printf("Cell %02d - Address: %s", si, se.bssid)
81 printf(" ESSID: \"%s\"",
84 printf(" Mode: %s Channel: %d",
85 s(se.mode), n(se.channel))
87 printf(" Signal: %s dBm Quality: %d/%d",
88 s(se.signal), n(se.quality), n(se.quality_max))
90 printf(" Encryption: %s",
91 s(se.encryption.description or "None"))
96 print("No scan results or scanning not possible")
101 function print_txpwrlist(api, dev)
102 local iw = iwinfo[api]
103 local pl = iw.txpwrlist(dev)
104 local cp = n(iw.txpower(dev))
107 if pl and #pl > 0 then
108 for _, pe in ipairs(pl) do
109 printf("%s%3d dBm (%4d mW)",
110 (cp == pe.dbm) and "*" or " ",
114 print("No TX power information available")
120 function print_freqlist(api, dev)
121 local iw = iwinfo[api]
122 local fl = iw.freqlist(dev)
123 local cc = n(iw.channel(dev))
126 if fl and #fl > 0 then
127 for _, fe in ipairs(fl) do
128 printf("%s %.3f GHz (Channel %d)%s",
129 (cc == fe.channel) and "*" or " ",
130 n(fe.mhz) / 1000, n(fe.channel),
131 fe.restricted and " [restricted]" or "")
134 print("No frequency information available")
140 function print_assoclist(api, dev)
141 local iw = iwinfo[api]
142 local al = iw.assoclist(dev)
143 local ns = iw.noise(dev)
146 if al and next(al) then
147 for ai, ae in pairs(al) do
148 printf("%s %s dBm / %d dBm (SNR %d)",
149 ai, s(ae.signal), ns, n(ae.signal) - ns)
152 print("No client connected or no information available")
158 function print_countrylist(api, dev)
159 local iw = iwinfo[api]
160 local cl = iw.countrylist(dev)
161 local cc = iw.country(dev)
164 if cl and #cl > 0 then
165 for _, ce in ipairs(cl) do
167 (cc == ce.alpha2) and "*" or " ",
171 print("No country code information available")
180 print(" iwinfo <device> info")
181 print(" iwinfo <device> scan")
182 print(" iwinfo <device> txpowerlist")
183 print(" iwinfo <device> freqlist")
184 print(" iwinfo <device> assoclist")
185 print(" iwinfo <device> countrylist")
190 local api = iwinfo.type(dev)
192 print("No such wireless device: " .. dev)
197 if arg[2]:match("^i") then
200 elseif arg[2]:match("^s") then
203 elseif arg[2]:match("^t") then
204 print_txpwrlist(api, dev)
206 elseif arg[2]:match("^f") then
207 print_freqlist(api, dev)
209 elseif arg[2]:match("^a") then
210 print_assoclist(api, dev)
212 elseif arg[2]:match("^c") then
213 print_countrylist(api, dev)
216 print("Unknown command: " .. arg[2])