-- @return String containing the memory used for caching in kB
-- @return String containing the memory used for buffering in kB
-- @return String containing the free memory amount in kB
+-- @return String containing the cpu bogomips (number)
function sysinfo()
local cpuinfo = fs.readfile("/proc/cpuinfo")
local meminfo = fs.readfile("/proc/meminfo")
local memcached = tonumber(meminfo:match("\nCached:%s*(%d+)"))
local memfree = tonumber(meminfo:match("MemFree:%s*(%d+)"))
local membuffers = tonumber(meminfo:match("Buffers:%s*(%d+)"))
+ local bogomips = tonumber(cpuinfo:match("BogoMIPS.-:%s*([^\n]+)"))
if not system then
system = nixio.uname().machine
model = cpuinfo:match("cpu model.-:%s*([^\n]+)")
end
- return system, model, memtotal, memcached, membuffers, memfree
+ return system, model, memtotal, memcached, membuffers, memfree, bogomips
end
--- Retrieves the output of the "logread" command.
-- @return Number containing 0 on success and >= 1 on error
function user.setpasswd(username, password)
if password then
- password = password:gsub("'", "")
+ password = password:gsub("'", [['"'"']])
end
if username then
- username = username:gsub("'", "")
+ username = username:gsub("'", [['"'"']])
end
- local cmd = "(echo '"..password.."';sleep 1;echo '"..password.."')|"
- cmd = cmd .. "passwd '"..username.."' >/dev/null 2>&1"
- return os.execute(cmd)
+ return os.execute(
+ "(echo '" .. password .. "'; sleep 1; echo '" .. password .. "') | " ..
+ "passwd '" .. username .. "' >/dev/null 2>&1"
+ )
end
-- @param iface Wireless interface (optional)
-- @return Table of available channels
function wifi.channels(iface)
- local t = iwinfo.type(iface or "")
+ local stat, iwinfo = pcall(require, "iwinfo")
local cns
- if iface and t and iwinfo[t] then
- cns = iwinfo[t].freqlist(iface)
+
+ if stat then
+ local t = iwinfo.type(iface or "")
+ if iface and t and iwinfo[t] then
+ cns = iwinfo[t].freqlist(iface)
+ end
end
if not cns or #cns == 0 then