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-- acf model for squid
-- Copyright(c) 2007 A. Brodmann - Licensed under terms of GPL2
module (..., package.seeall)
dansguardiancfg = "/etc/dansguardian/dansguardian.conf"
get_status = function()
local retval = "stopped"
local ptr = io.popen( "/bin/pidof squid" )
local pid = ptr:read( "*a" )
ptr:close()
if pid ~= nil then
if #pid > 1 then
retval = "running"
end
end
return retval
end
get_dansguardian_status = function()
local retval = "stopped"
local ptr = io.popen( "/bin/pidof dansguardian" )
local pid = ptr:read( "*a" )
ptr:close()
if pid ~= nil then
if #pid > 1 then
retval = "running"
end
end
return retval
end
service_control = function( control )
local retval = ""
local ptr = io.popen( "/etc/init.d/squid " .. control, "r" )
if ptr ~= nil then
local retmsg = ptr:read( "*a" )
ptr:close()
if retmsg ~= nil then
retval = retmsg
else
retval = "service_control(): Failed to read output from initscript!\n"
end
else
retval = "service_control(): Failed to start/stop/restart service!\n"
end
return retval
end
get_adv_config = function()
local retval = ""
local ptr = io.open( "/etc/squid/squid.conf", "r" )
if ptr ~= nil then
local retcfg = ptr:read( "*a" )
ptr:close()
if retcfg == nil then
retval = "\n\n Error: Failed to read /etc/squid/squid.conf!\n\n"
else
retval = retcfg
end
end
return retval
end
get_filter_config = function()
local retval = {}
local error = ""
retval = { filterip = { label="Filter IP", type="text", value="" },
filterport = { label="Filter Port", type="text", value="" },
proxyip = { label="Proxy IP", type="text", value="" },
proxyport = { label="Proxy Port", type="text", value="" },
accessdeniedaddress = { label="AccessDeniedAddress", type="text", value="" },
naughtynesslimit = { label="NaughtynessLimit", type="text", value="" }
}
local fptr = io.open( dansguardiancfg, "r" )
if fptr ~= nil then
local line = fptr:read( "*l" )
while line ~= nil do
if string.sub( line, 1, 1 ) ~= "#" then
if string.sub( line, 1, 8 ) == "filterip" then
retval.filterip.value = get_cfg_value( line )
elseif string.sub( line, 1, 10 ) == "filterport" then
retval.filterport.value = get_cfg_value( line )
elseif string.sub( line, 1, 7 ) == "proxyip" then
retval.proxyip.value = get_cfg_value( line )
elseif string.sub( line, 1, 9 ) == "proxyport" then
retval.proxyport.value = get_cfg_value( line )
elseif string.sub( line, 1, 19 ) == "accessdeniedaddress" then
retval.accessdeniedaddress.value = get_cfg_value( line )
end
end
line = fptr:read( "*l" ) -- read one config file
end
fptr:close()
else
error = "Failed to open /etc/dansguardian/dansguardian.conf file!"
end
return retval, error
end
update_filter_config = function( config )
local retval = ""
local tmpfilename = os.tmpname()
local tmpfile = -1
local cfgptr = -1
local line = ""
tmpfile = io.open( tmpfilename, "wb+" )
if tmpfile == nil then
return "Failed to create temporary config file!"
end
cfgptr = io.open( dansguardiancfg, "r" )
if cfgptr == nil then
tmpfile:close()
os.remove( tmpfilename )
return "Failed to open " .. dansguardiancfg .. "!"
end
line = cfgptr:read( "*l" )
while line ~= nil do
if string.sub( line, 1, 8 ) == "filterip" then
tmpfile:write( "filterip = " .. config.filterip .. "\n" )
elseif string.sub( line, 1, 10 ) == "filterport" then
tmpfile:write( "filterport = " .. config.filterport .. "\n" )
elseif string.sub( line, 1, 7 ) == "proxyip" then
tmpfile:write( "proxyip = " .. config.proxyip .. "\n" )
elseif string.sub( line, 1, 9 ) == "proxyport" then
tmpfile:write( "proxyport = " .. config.proxyport .. "\n" )
elseif string.sub( line, 1, 19 ) == "accessdeniedaddress" then
tmpfile:write( "accessdeniedaddress = " .. config.accessdeniedaddress .. "\n" )
else
tmpfile:write( line .. "\n" )
end
line = cfgptr:read( "*l" )
end
tmpfile:close()
cfgptr:close()
os.rename( tmpfilename, dansguardiancfg )
return retval
end
get_cfg_value = function( str )
local retval = ""
local pos = 1
local found = false
local found2 = false
while not found and pos < #str -1 do
if string.sub( str, pos, pos ) == "=" then
found = true
end
pos = pos + 1
end
if found then
pos = pos - 1
while not found2 and pos < #str -1 do
if string.sub( str, pos+1, pos+1 ) ~= " " then
found2 = true
end
pos = pos + 1
end
end
if found2 then
retval = string.sub( str, pos )
end
return retval
end
update_adv_config = function( config )
local retval = "Successfully updated /etc/squid/squid.conf!"
local ptr = io.open( "/etc/squid/squid.conf", "wb+" )
if ptr ~= nil then
ptr:write( config )
ptr:close()
else
retval = "update_config(): Error, failed to open /etc/squid/squid.conf!\n"
end
return retval
end
get_basic_config = function()
local config = { proxyip = { value="", type="text", label="Proxy IP" },
proxyport = { value="", type="text", label="Proxy Port" },
filterip = { value="", type="text", label="Filter IP" },
filterport = { value="", type="text", label="Filter Port" },
filterregex = { value="", type="text", label="FilterRegex" },
safeports = { value="", type="text", label="Safe_ports" },
sslports = { value="", type="text", label="SSL_ports" },
accesslog = { value="", type="select", label="Access Logs", option={ "yes", "no" } },
diskcache = { value="", type="select", label="Disk Cache Parameters", option={ "yes", "no" } },
authmethod = { value="", type="select", label="Authentication Method", option={ "digest", "ntlm", "none" } }
}
config.proxyip.value = "192.168.83.129"
config.proxyport.value = 8080
config.accesslog.value = "yes"
return config
end
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