module(..., package.seeall)

require("fs")
require("procps")
require("getopts")
require("format")
require("daemoncontrol")
require("validator")

local configfile = "/etc/racoon/racoon.conf"
local processname = "racoon"
local pkgname = "ipsec-tools"
local baseurl = "/etc/racoon/"

local function get_version()
	local cmd_output_result, cmd_output_error
	local cmd = "/sbin/apk_version -vs " .. pkgname .." 2>/dev/null"
	local f = io.popen( cmd )
	local cmdresult = f:read("*l")
	if (cmdresult) and (#cmdresult > 0) then
		cmd_output_result = string.match(cmdresult,"^%S*") or "Unknown"
	else
		cmd_output_error = "Program not installed"
	end	
	f:close()
	return cmd_output_result,cmd_output_error
end

local function autostarts()
	local cmd_output_result, cmd_output_error
	local cmd = "/sbin/rc_status | egrep '^S' | egrep '" .. processname .."' 2>/dev/null"
	local f = io.popen( cmd )
	local cmdresult = f:read("*a")
	if (cmdresult) and (#cmdresult > 0) then
		cmd_output_result = "Process will autostart at next boot (at sequence '" .. string.match(cmdresult,"^%a+(%d%d)") .. "')"
	else
		cmd_output_error = "Not programmed to autostart"
	end	
	f:close()
	return cmd_output_result,cmd_output_error

end

local function racoonctl(proto)
	local cmd_output_result, cmd_output_error
	local cmd = "/usr/sbin/racoonctl show-sa ".. proto .. " 2>/dev/null"
	local f = io.popen( cmd )
	local cmdresult = f:read("*a")
	if (cmdresult) and (#cmdresult > 0) then
		cmd_output_result = cmdresult
	else
		cmd_output_error = "Not programmed to autostart"
	end	
	f:close()
	return cmd_output_result,cmd_output_error

end

function process_status_text(procname)
	local t = procps.pidof(procname)
	if #t > 0 then
		return "Enabled"
	else
		return "Disabled"
	end
end

-- ################################################################################
-- PUBLIC FUNCTIONS


function getstatus()
	local status = {}
	status.version = cfe({ name = "version",
		label="Program version",
		value=get_version(),
		 })
	status.status = cfe({ name="status",
		label="Program status",
		value=process_status_text(processname),
		})
	local autostart_sequense, autostart_errtxt = autostarts()
	status.autostart = cfe({ name="autostart",
		label="Autostart sequence",
		value=autostart_sequense,
		errtxt=autostart_errtxt,
		})

	local racoon_sequense, racoon_errtxt = racoonctl("isakmp")
	status.show_isakmp = cfe({ name="show_isakmp",
		label="racoon show-sa isakmp",
		value=racoon_sequense,
		errtxt=racoon_errtxt,
		})

	local racoon_sequense, racoon_errtxt = racoonctl("esp")
	status.show_esp = cfe({ name="show_esp",
		label="racoon show-sa esp",
		value=racoon_sequense,
		errtxt=racoon_errtxt,
		})

	local racoon_sequense, racoon_errtxt = racoonctl("ah")
	status.show_ah = cfe({ name="show_ah",
		label="racoon show-sa ah",
		value=racoon_sequense,
		errtxt=racoon_errtxt,
		})

	return status
end