X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Fsys%2Fluasrc%2Fsys.lua;h=1333cd8593e98e6facae5dbe8acaa50706479fee;hp=6d000ae6e279bfba91846f58c526bb1bed87bdc1;hb=9c03a76fc28dac4efe4714f0e61bb41bf2784ef7;hpb=cca45d0bdbd73919ef5e9637273c54bcbd1b7a82

diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua
index 6d000ae6e..1333cd859 100644
--- a/libs/sys/luasrc/sys.lua
+++ b/libs/sys/luasrc/sys.lua
@@ -30,15 +30,14 @@ local os     = require "os"
 local table  = require "table"
 local nixio  = require "nixio"
 local fs     = require "nixio.fs"
-local iwinfo = require "iwinfo"
 local uci    = require "luci.model.uci"
 
 local luci  = {}
 luci.util   = require "luci.util"
 luci.ip     = require "luci.ip"
 
-local tonumber, ipairs, pairs, pcall, type, next, setmetatable =
-	tonumber, ipairs, pairs, pcall, type, next, setmetatable
+local tonumber, ipairs, pairs, pcall, type, next, setmetatable, require =
+	tonumber, ipairs, pairs, pcall, type, next, setmetatable, require
 
 
 --- LuCI Linux and POSIX system utilities.
@@ -60,20 +59,6 @@ end
 -- @return			String containg the return the output of the command
 exec = luci.util.exec
 
---- Invoke the luci-flash executable to write an image to the flash memory.
--- @param image		Local path or URL to image file
--- @param kpattern	Pattern of files to keep over flash process
--- @return			Return value of os.execute()
-function flash(image, kpattern)
-	local cmd = "luci-flash "
-	if kpattern then
-		cmd = cmd .. "-k '" .. kpattern:gsub("'", "") .. "' "
-	end
-	cmd = cmd .. "'" .. image:gsub("'", "") .. "' >/dev/null 2>&1"
-
-	return os.execute(cmd)
-end
-
 --- Retrieve information about currently mounted file systems.
 -- @return 	Table containing mount information
 function mounts()
@@ -181,6 +166,7 @@ end
 -- @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")
@@ -191,6 +177,7 @@ function sysinfo()
 	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
@@ -202,7 +189,7 @@ function sysinfo()
 		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.
@@ -604,7 +591,7 @@ end
 -- @return			Boolean indicating wheather the passwords are equal
 function user.checkpasswd(username, pass)
 	local pwh = user.getpasswd(username)
-	if not pwh or nixio.crypt(pass, pwh) ~= pwh then
+	if pwh and nixio.crypt(pass, pwh) ~= pwh then
 		return false
 	else
 		return true
@@ -617,16 +604,17 @@ end
 -- @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
 
 
@@ -639,6 +627,8 @@ wifi = {}
 -- @param ifname        String containing the interface name
 -- @return              A wrapped iwinfo object instance
 function wifi.getiwinfo(ifname)
+	local stat, iwinfo = pcall(require, "iwinfo")
+
 	if ifname then
 		local c = 0
 		local u = uci.cursor_state()
@@ -665,19 +655,17 @@ function wifi.getiwinfo(ifname)
 				end)
 		end
 
-		local t = iwinfo.type(ifname)
-		if t then
-			local x = iwinfo[t]
-			return setmetatable({}, {
-				__index = function(t, k)
-					if k == "ifname" then
-						return ifname
-					elseif x[k] then
-						return x[k](ifname)
-					end
+		local t = stat and iwinfo.type(ifname)
+		local x = t and iwinfo[t] or { }
+		return setmetatable({}, {
+			__index = function(t, k)
+				if k == "ifname" then
+					return ifname
+				elseif x[k] then
+					return x[k](ifname)
 				end
-			})
-		end
+			end
+		})
 	end
 end
 
@@ -735,10 +723,14 @@ 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