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module(..., package.seeall)
-- Load libraries
require("posix")
require("modelfunctions")
fs = require("acf.fs")
format = require("acf.format")
validator = require("acf.validator")
-- Set variables
local configfile = "/etc/racoon/racoon.conf"
local configfile2 = "/etc/ipsec.conf"
local processname = "racoon"
local packagename = "ipsec-tools"
local baseurl = "/etc/racoon/"
local descr = {
state={
['9']="Established",
},
side={
['R']="We are 'Responder'.",
['I']="We 'Initiated' this phase1",
},
exchange={
['M']="Main mode",
['A']="Agressive mode",
['B']="Basic mode",
},
}
-- ################################################################################
-- LOCAL FUNCTIONS
local function phase2details(dst)
local output = {}
dst = string.match(dst,"^(.*)%.") -- Removes the portnumber
local value = modelfunctions.run_executable({"ip", "xfrm", "state", "list", "src", dst})
-- REMOVE THE LINES THAT DON'T START WITH "src" io.popen
table.insert(output, {label="Outgoing", value=value})
value = modelfunctions.run_executable({"ip", "xfrm", "state", "list", "dst", dst})
-- REMOVE THE LINES THAT DON'T START WITH "src" io.popen
table.insert(output, {label="Incoming", value=value})
return output
end
local function racoonctl_table()
local output = {}
local value = modelfunctions.run_executable({"racoonctl", "-lll", "show-sa", "isakmp"})
for i,line in pairs(format.string_to_table(value,"\n")) do
if not ((string.find(line,"^Source")) or (#line == 0)) then
entry={}
local variable=format.string_to_table(line,"%s+")
entry['Source']=cfe({
label="Source",
value=variable[1],
})
entry['Destination']=cfe({
label="Destination",
value=variable[2],
})
entry['Cookies']=cfe({
label="Cookies",
value=variable[3],
})
entry['St']=cfe({
label="State",
value=variable[4],
descr=descr.state[variable[4]],
})
entry['S']=cfe({
label="Side",
value=variable[5],
descr=descr.side[variable[5]],
})
entry['V']=cfe({
label="Version",
value=variable[6],
})
entry['E']=cfe({
label="Exchange",
value=variable[7],
descr=descr.exchange[variable[7]],
})
entry['Created']=cfe({
label="Created",
value=(variable[8] or "") .. " " .. (variable[9] or ""),
})
local phase2s = phase2details(variable[2])
entry['Phase2']=cfe({
label="Phase2",
value=variable[10],
option=phase2s,
})
entry['Phase2details']=cfe({
label="Phase2details",
value=phase2s[1]['value'] .. phase2s[2]['value']
})
output[#output + 1] = entry
end
end
return output
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function get_startstop(self, clientdata)
return modelfunctions.get_startstop(processname)
end
function startstop_service(self, startstop, action)
return modelfunctions.startstop_service(startstop, action)
end
function getstatus()
return modelfunctions.getstatus(processname, packagename, "Racoon Status")
end
function getstatusdetails()
local status = {}
status.show_isakmp = cfe({ type="list", value=racoonctl_table(), label="Tunnels" })
status.ip_xfrm_policy = cfe({ type="longtext", label="ip xfrm policy" })
status.ip_xfrm_policy.value, status.ip_xfrm_policy.errtxt = modelfunctions.run_executable({"ip", "xfrm", "policy"})
return cfe({ type="group", value=status, label="Racoon Status Details" })
end
function get_racoonfiledetails()
return modelfunctions.getfiledetails(configfile)
end
function update_racoonfiledetails(self, filedetails)
return modelfunctions.setfiledetails(self, filedetails, {configfile})
end
function get_ipsecfiledetails()
return modelfunctions.getfiledetails(configfile2)
end
function update_ipsecfiledetails(self, filedetails)
return modelfunctions.setfiledetails(self, filedetails, {configfile2})
end
function list_certs()
local list = {}
for file in fs.find(".*%.pem", baseurl) do
list[#list+1] = posix.basename(file)
end
return cfe({ type="list", value=list, label="IPSEC Certificates" })
end
function get_delete_cert(self, clientdata)
local retval = {}
retval.cert = cfe({ value=clientdata.cert or "", label="IPSEC Certificate" })
return cfe({ type="group", value=retval, label="Delete Certificate" })
end
function delete_cert(self, delcert)
local list = list_certs()
delcert.value.cert.errtxt = "Invalid cert name"
delcert.errtxt = "Failed to delete Certificate"
for i,cert in ipairs(list.value) do
if cert == delcert.value.cert.value then
os.remove(baseurl..cert)
delcert.value.cert.errtxt = nil
delcert.errtxt = nil
break
end
end
return delcert
end
function new_upload_cert()
local value = {}
value.cert = cfe({ type="raw", value=0, label="Certificate", descr='File must be a password protected ".pfx" file' })
value.password = cfe({ label="Certificate Password" })
value.name = cfe({ label="Certificate Local Name" })
return cfe({ type="group", value=value })
end
function upload_cert(self, newcert)
local success = true
-- Trying to upload a cert/key
-- The way haserl works, cert contains the temporary file name
-- First, get the cert
local cmd, f, cmdresult, errtxt
if validator.is_valid_filename(newcert.value.cert.value, "/tmp/") and fs.is_file(newcert.value.cert.value) then
cmdresult, errtxt = modelfunctions.run_executable({"openssl", "pkcs12", "-in", newcert.value.cert.value, "-out", newcert.value.cert.value.."cert.pem", "-password", "pass:"..newcert.value.password.value, "-nokeys", "-clcerts"}, true)
local filestats = posix.stat(newcert.value.cert.value.."cert.pem")
if errtxt or not filestats or filestats.size == 0 then
newcert.value.cert.errtxt = "Could not open certificate\n"..(errtxt or cmdresult)
success = false
end
else
newcert.value.cert.errtxt = "Invalid certificate"
success = false
end
-- Now, get the key and the ca certs
if success then
cmdresult, errtxt = modelfunctions.run_executable({"openssl", "pkcs12", "-in", newcert.value.cert.value, "-out", newcert.value.cert.value.."key.pem", "-password", "pass:"..newcert.value.password.value, "-nocerts", "-nodes"}, true)
filestats = posix.stat(newcert.value.cert.value.."key.pem")
if errtxt or not filestats or filestats.size == 0 then
newcert.value.cert.errtxt = "Could not find key\n"..(errtxt or cmdresult)
success = false
end
cmdresult, errtxt = modelfunctions.run_executable({"openssl", "pkcs12", "-in", newcert.value.cert.value, "-out", newcert.value.cert.value.."ca.pem", "-password", "pass:"..newcert.value.password.value, "-nokeys", "-cacerts"}, true)
filestats = posix.stat(newcert.value.cert.value.."ca.pem")
if errtxt or not filestats or filestats.size == 0 then
newcert.value.cert.errtxt = "Could not find CA certs\n"..(errtxt or cmdresult)
success = false
end
end
if newcert.value.name.value == "" then
newcert.value.name.errtxt = "Cannot be blank"
success = false
elseif posix.stat(baseurl..newcert.value.name.value.."-cert.pem") or posix.stat(baseurl..newcert.value.name.value.."-key.pem") or posix.stat(baseurl..newcert.value.name.value.."-ca.pem") then
newcert.value.name.errtxt = "Certificate of this name already exists"
success = false
end
if success then
if not posix.stat(baseurl) then
posix.mkdir(baseurl)
end
-- copy the keys
fs.move_file(newcert.value.cert.value.."cert.pem", baseurl..newcert.value.name.value.."-cert.pem")
fs.move_file(newcert.value.cert.value.."key.pem", baseurl..newcert.value.name.value.."-key.pem")
fs.move_file(newcert.value.cert.value.."ca.pem", baseurl..newcert.value.name.value.."-ca.pem")
posix.chmod(baseurl..newcert.value.name.value.."-key.pem", "rw-------")
else
newcert.errtxt = "Failed to upload certificate"
end
-- Delete the temporary files
if validator.is_valid_filename(newcert.value.cert.value, "/tmp/") and fs.is_file(newcert.value.cert.value) then
os.remove(newcert.value.cert.value.."cert.pem")
os.remove(newcert.value.cert.value.."key.pem")
os.remove(newcert.value.cert.value.."ca.pem")
end
return newcert
end
function get_view_cert(self, clientdata)
local retval = {}
retval.cert = cfe({ value=clientdata.cert or "", label="IPSEC Certificate" })
return cfe({ type="group", value=retval, label="View Certificate" })
end
view_cert = function(self, viewcert)
local list = list_certs()
viewcert.value.cert.errtxt = "Invalid cert name"
viewcert.errtxt = "Failed to find cert"
for i,cert in ipairs(list.value) do
if cert == viewcert.value.cert.value then
viewcert.value.result = cfe({ type="longtext", label="Certificate", readonly=true })
viewcert.value.result.value, viewcert.value.result.errtxt = modelfunctions.run_executable({"openssl", "x509", "-in", baseurl..cert, "-noout", "-text"})
viewcert.errtxt = viewcert.value.result.errtxt
viewcert.value.cert.errtxt = nil
break
end
end
return viewcert
end
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