1 files changed, 88 insertions, 0 deletions
diff --git a/lib/processinfo.lua b/lib/processinfo.lua
index 2637b8c..dd15fa8 100644
--- a/lib/processinfo.lua
+++ b/lib/processinfo.lua
@@ -29,3 +29,91 @@ function process_botsequence(processname)
 	return cmdresult,cmderrors
 end
 
+function daemoncontrol (process, action)
+	local cmdmessage = ""
+	if (string.lower(action) == "start") or (string.lower(action) == "stop") or (string.lower(action) == "restart") then
+		local file = io.popen( "PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin /etc/init.d/" .. 
+			process .. " " .. string.lower(action) .. " 2>&1" )
+		if file ~= nil then
+			cmdmessage = file:read( "*a" )
+			file:close()
+		end
+	else
+		return false,nil,"Unknown command!",action
+	end
+	posix.sleep(2)	-- Wait for the process to start|stop
+	return true,cmdmessage,nil,action
+end
+
+-- the following methods are available:
+-- /proc/<pid>/stat	the comm field (2nd) field contains name but only up 
+--   			to 15 chars. does not resolve links
+--
+-- /proc/<pid>/cmdline	argv[0] contains the command. However if it is a script
+--   			then will the interpreter show up
+--
+-- /proc/<pid>/exe	link to exe file. this will resolv links
+--
+-- returns list of all pids for given exe name
+
+--[[
+-- gives lots of false positives for busybox
+local function is_exe(path, name)
+	local f = posix.readlink(path.."/exe")
+	if f and (f == name or posix.basename(f) == name) then
+		return true
+	else
+		return false
+	end
+end
+]]--
+
+
+local function is_stat(path, name)
+	local f = io.open(path.."/stat")
+	if (f) then
+		local line = f:read()
+		local p = string.gsub(line, ".*%(", "")
+		p = string.gsub(p, "%).*", "")
+		f:close()
+	end
+	if p ~= nil then	
+		if string.len(name) <= 15 and p == name then
+			return true
+		end
+	end
+	return false
+end
+
+local function is_cmdline(path, name)
+	local f = io.open(path.."/cmdline")
+	if f == nil then
+		return false
+	end
+	local line = f:read()
+	f:close()
+	if line == nil then 
+		return false
+	end
+	local arg0 = string.gsub(line, string.char(0)..".*", "")
+	if posix.basename(arg0) == name then
+		return true
+	end
+end
+
+function pidof(name)
+	local pids = {}
+	local i, j
+
+	for i,j in pairs(posix.glob("/proc/[0-9]*")) do
+		local pid = tonumber(posix.basename(j))
+		if is_stat(j, name) or is_cmdline(j, name) then
+			table.insert(pids, pid)
+		end
+	end
+	if #pids == 0 then
+		pids = nil
+	end
+	return pids
+end
+