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module(..., package.seeall)
require("fs")
require("procps")
require("getopts")
require("format")
require("daemoncontrol")
require("validator")
local processname = "fetchmail"
local configfile = "/root/.fetchmailrc"
local config = {}
local function get_version()
local cmd = "/usr/bin/fetchmail --version 2>/dev/null"
local f = io.popen( cmd )
local cmd_output_result = f:read("*l")
f:close()
return cmd_output_result
end
local function getloglevels()
local loglevels = {}
for i=1,8 do
table.insert(loglevels,i)
end
return loglevels
end
local function getmethods()
local methods = {"pop3","imap","pop3domain", }
return methods
end
local function getmailboxes(t)
local objects = cfe({})
objects.label = "Mailbox " .. tostring(t["RBOX"])
objects.method = cfe({
name="method",
label = "Method",
type = "select",
value = t["METHOD"],
option = getmethods(),
})
objects.disabled = cfe({
name="disabled",
type="checkbox",
label = "Disabled",
checked = t["DISABLED"],
})
objects.remotehost = cfe({
name="remotehost",
label = "RemoteHost",
value = t["RHOST"],
})
objects.remotemailbox = cfe({
name="remotemailbox",
label = "Mailbox",
value = t["RBOX"],
})
objects.remotepassword = cfe({
name="remotepassword",
label = "Password",
type = "passwd",
value = t["PASSWD"],
})
objects.localhost = cfe({
name="localhost",
label = "LocalHost",
value = t["LHOST"],
})
objects.localmailbox = cfe({
name="localmailbox",
label = "LocalMailbox",
value = t["LBOX"],
})
objects.localdomain = cfe({
name="localdomain",
label = "LocalDomain",
value = t["DOMAIN"],
})
return objects
end
local function read_config()
--[[
imap/pop3 lines are:
1 2 3 4 5 6 7 8 9 10
poll <host> protocol <proto> no dns username <uname> password <passwd>
11 12 13 14 15 16 17
is <localmailbox> smtphost <desthost> no rewrite fetchall
pop3domain lines are:
1 2 3 4 5 6 7 8 9 10 11 12
poll <host> localdomainst <domain> protocol pop3 no dns username <uname> password <passwd>
13 14 15 16 17 18 19 20 21 22
to * here smtphost <desthost> smtpaddress <domain> no rewrite fetchall
etrn is:
1 2 3 4 5 6
pool <host> protocol etrn smtpdomain <mydomain>
--]]
local mailboxes = {}
local configcontent_postmaster = {}
local configcontent_etrn = {}
local path = configfile
local valid = nil
configcontenttable = fs.read_file_as_array(path) or {}
for k,v in pairs(configcontenttable) do
if (string.match(v, "^%s*#Begin Fetchmail")) then valid=1 end
if (valid) then
-- if not (configcontent[k]) then configcontent[k] = {} end
-- if not (configcontent_popimap[k]) then configcontent_popimap[k] = {} end
-- if not (configcontent_popdomain[k]) then configcontent_popdomain[k] = {} end
local DISABLED = string.match(v, "^%s*(#)")
-- Set parameters for POP3 or IMAP
local val = {RHOST=2, CHECK=9 ,METHOD=4, RBOX=8, PASSWD=10, LBOX=12, LHOST=14}
local configcontent = {}
configcontent[k] = {}
configcontent[k]["DISABLED"] = DISABLED
for kk,vv in pairs(val) do
configcontent[k][kk] = tostring(string.match(v,"^%s*" .. string.rep("%S*%s*",vv-1) .. "(%S*)%s*"))
end
-- Remove quotes from passwords
if (configcontent[k]["PASSWD"]) then
configcontent[k]["PASSWD"] = string.match(configcontent[k]["PASSWD"], "^\"(.-)\"")
end
-- Check if row is valid config
if (configcontent[k]["CHECK"]) and (string.lower(configcontent[k]["CHECK"]) == "password") then
table.insert(mailboxes,getmailboxes(configcontent[k]))
end
-- Set parameters for POP3domain
local val = {RHOST=2, METHOD=6, RBOX=10, CHECK=11, PASSWD=12, LHOST=17, DOMAIN=19,}
local configcontent = {}
configcontent[k] = {}
configcontent[k]["DISABLED"] = DISABLED
for kk,vv in pairs(val) do
configcontent[k][kk] = tostring(string.match(v,"^%s*" .. string.rep("%S*%s*",vv-1) .. "(%S*)%s*"))
end
-- Display this config as Method=pop3domain (as the current options in the view)
configcontent[k]["METHOD"] = "pop3domain"
-- Remove quotes from passwords
if (configcontent[k]["PASSWD"]) then
configcontent[k]["PASSWD"] = string.match(configcontent[k]["PASSWD"], "^\"(.-)\"")
end
-- Check if row is valid config
if (configcontent[k]["CHECK"]) and (string.lower(configcontent[k]["CHECK"]) == "password") then
table.insert(mailboxes,getmailboxes(configcontent[k]))
end
-- Set parameters for etrn
local val = {ETRNSMTPHOST=2, CHECK=4, ETRNDOMAIN=6}
local configcontent = {}
configcontent[k] = {}
configcontent[k]["DISABLED"] = DISABLED
for kk,vv in pairs(val) do
configcontent[k][kk] = tostring(string.match(v,"^%s*" .. string.rep("%S*%s*",vv-1) .. "(%S*)%s*"))
end
-- Check if row is valid config
if (configcontent[k]["CHECK"]) and (string.lower(configcontent[k]["CHECK"]) == "etrn") then
configcontent_etrn=configcontent[k]
end
-- Set parameters for postmaster
local val = {CHECK=2, POSTMASTER=3}
local configcontent = {}
configcontent[k] = {}
configcontent[k]["DISABLED"] = DISABLED
for kk,vv in pairs(val) do
configcontent[k][kk] = tostring(string.match(v,"^%s*" .. string.rep("%S*%s*",vv-1) .. "(%S*)%s*"))
end
-- Check if row is valid config
if (configcontent[k]["CHECK"]) and (string.lower(configcontent[k]["CHECK"]) == "postmaster") then
configcontent_postmaster=configcontent[k]
end
end
if (string.match(v, "^%s*#End Fetchmail")) then valid=nil end
end
return mailboxes,configcontent_postmaster,configcontent_etrn
end
-- ################################################################################
-- PUBLIC FUNCTIONS
-- action should be a CFE
function startstop_service ( self, action )
local cmd = action.value
local cmdresult,cmdmessage,cmderror,cmdaction = daemoncontrol.daemoncontrol(processname, cmd)
action.descr=cmdmessage
action.errtxt=cmderror
-- Reporting back (true|false, the original acition)
return cmdresult,action
end
function getstatus()
local opts = getconfig()
local status = {}
status.version = cfe({ name = "version",
label="Program version",
value=get_version(),
})
status.status = cfe({ name="status",
label="Program status",
value=procps.pidof(processname),
})
status.configfile = cfe({ name="configfile",
label="Config file",
value=configfile,
})
--[[
if (opts["remotelogging"]) and not ((opts["remotelogging"]["value"] ~= "") and not (opts["localandnetworklog"]["value"])) then
status.logfile = cfe({ name="logfile",
label="Locally logging to",
value=opts["logfile"]["value"],
})
end
if (opts["SYSLOGD_OPTS"]) and (opts["SYSLOGD_OPTS"]["-R"]) and (opts["SYSLOGD_OPTS"]["-R"] ~= "") then
status.remote = cfe({ name="remotelogging",
label="Remote logging to",
value=opts["SYSLOGD_OPTS"]["-R"],
})
end
--]]
return status
end
function get_filedetails()
local path = configfile
local file = {}
local filedetails = {}
local config = {}
local filenameerrtxt
if (fs.is_file(path)) then
filedetails = fs.stat(path)
config = getconfig(path)
else
config = {}
config.filename = {}
config["filename"]["errtxt"]="Config file '".. path .. "' is missing!"
end
file["filename"] = cfe({
name="filename",
label="File name",
value=path,
errtxt=filenameerrtxt
})
file["filesize"] = cfe({
name="filesize",
label="File size",
value=filedetails.size or 0,
})
file["mtime"] = cfe({
name="mtime",
label="File date",
value=filedetails.mtime or "---",
})
file["filecontent"] = cfe({
type="longtext",
name="filecontent",
label="File content",
value=fs.read_file(path),
})
-- Sum all errors into one cfe
local sumerrors = ""
for k,v in pairs(config) do
if (config[k]["errtxt"] ~= "") then
sumerrors = sumerrors .. config[k]["errtxt"] .. "\n"
end
end
if (sumerrors ~= "") then
file["sumerrors"] = cfe ({
name="sumerrors",
label = "Configuration errors",
errtxt = string.match(sumerrors, "(.-)\n$"),
})
end
return file
end
function getconfig()
local config = {}
local mailboxes,configcontent_postmaster,configcontent_etrn = read_config()
if not (fs.is_file(configfile)) then
config["configfile"] = "Config file '".. configfile .. "' is missing!"
end
config["debug"] = cfe({
name="debug",
label = "Debug info",
type = "longtext",
value = configcontent,
})
-- Next section selects which configurations we should show to the user
config["freq"] = cfe({
name="freq",
label = "Check mail once every",
type = "select",
value = "123",
option = {"15min", "hour","day",},
})
config["mailboxes"] = cfe({
name="mailboxes",
label = "Mailboxes",
value = mailboxes,
})
config["postmaster"] = cfe({
name="postmaster",
label = "Postmaster",
value = configcontent_postmaster["POSTMASTER"],
})
config["etrnremote"] = cfe({
name="etrnremote",
label = "Remote server",
value = configcontent_etrn["ETRNSMTPHOST"],
})
config["etrnquedomain"] = cfe({
name="etrnquedomain",
label = "Queued domain",
value = configcontent_etrn["ETRNDOMAIN"],
})
--[[
-- Next section is to print errormessages when configs are wrong
if (configcontent["SYSLOGD_OPTS"]["-l"]) and
((tonumber(configcontent["SYSLOGD_OPTS"]["-l"]) == nil) or (tonumber(configcontent["SYSLOGD_OPTS"]["-l"]) > 8)) then
config["loglevel"]["errtxt"] = "Log value is out of range!\nCurrent value in config is '" ..
configcontent["SYSLOGD_OPTS"]["-l"] ..
"' - This is invalid!\nPlease select one of the above and save your changes."
table.insert(config["loglevel"]["option"], tonumber(configcontent["SYSLOGD_OPTS"]["-l"]))
end
if (configcontent["SYSLOGD_OPTS"]["-L"] ~= nil) and ((configcontent["SYSLOGD_OPTS"]["-R"] == nil) or (configcontent["SYSLOGD_OPTS"]["-R"] == "")) then
config["localandnetworklog"]["errtxt"] = "Logging to local and network (-L) is not possible unless you define a host (-R) for remote logging or remove this option."
end
-- Sum all errors into one cfe
local sumerrors = ""
for k,v in pairs(config) do
if (config[k]["errtxt"] ~= "") then
sumerrors = sumerrors .. config[k]["errtxt"] .. "\n"
end
end
if (sumerrors ~= "") then
config["sumerrors"] = cfe ({
name="sumerrors",
label = "Configuration errors",
errtxt = sumerrors,
})
end
--]]
return config
end
-- IMPORTANT! This function is a exception! It's not fed with CFE's
-- Parameter should be one of the ones defined in the variable 'variabletranslator'.
-- value should be whatever the new value should be.
function setconfigs(self,parameter,value)
-- Set variables
--[[
local variable = "SYSLOGD_OPTS"
local variabletranslator = ({
logfile = "-O",
loglevel = "-l",
smallerlogs = "-S",
maxsize = "-s",
numrotate = "-b",
localandnetworklog = "-L",
remotelogging = "-R",
})
cmdparameter = variabletranslator[parameter]
-- Report a error if someone tryes to use a invalid parameter
if not (cmdparameter) then
local availablevariables = ""
for k,v in pairs(variabletranslator) do
availablevariables = k .. ", " .. availablevariables
end
parameter = parameter or ""
return false, cfe({
name="syslog.model.setconfigs()",
errtxt="'" .. parameter .. "' is not a valid parameter!\nValid options are: " .. availablevariables,
})
end
--TODO: Validate so that user cant add values with '-' (could cause major breakage next time you do getopts)
-- This config-file only accepts one type of parameters (report error if someone uses wrong parameter)
if not (string.find(cmdparameter, "-%a$")) then
return false, cfe({
name="syslog.model.setconfigs()",
errtxt="Parameter must be formated '-a' (where a is one upper/lowercase letter [a-z])",
})
end
-- Validate userinput (if valid path/filename)
if (value) and (cmdparameter == "-O") then
local cmdresult, cmdmessage = validator.is_valid_filename(value, "/var/log" )
if not (cmdresult) then
return false, cfe({
name="syslog.model.setconfigs()",
errtxt=cmdmessage,
})
end
end
-- Validate userinput (Has the user entered a valid hostname and/or port)
if (value) and (cmdparameter == "-R") then
local hostport = format.string_to_table(value, ":")
local host = hostport[1]
local port = hostport[2]
if (port) and not (validator.is_port(port)) then
return false, cfe({
name="syslog.model.setconfigs.getopts.setoptsinfile()",
errtxt="You entered '" .. tostring(port) .. "' as port - This is not valid!",
})
end
end
-- Set/Unset checkbox variables
if (value) and ((cmdparameter == "-S") or (cmdparameter == "-L")) then value = "" end
local cmdresult, cmdmessage, cmderror = getopts.setoptsinfile(configfile,variable,cmdparameter,value)
if (cmderror) then
return false, cfe({
name="syslog.model.setconfigs.getopts.setoptsinfile()",
errtxt=cmderror,
})
end
return true, cfe({
name="syslog.model.setconfigs()",
value=cmdmessage,
})
--]]
end
-- modifications should be a CFE
function update_filecontent (self, modifications)
local path = configfile
local file_result,err = fs.write_file(path, format.dostounix(modifications))
return file_result, err
end
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