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module(..., package.seeall)
-- Load libraries
require("modelfunctions")
require("posix")
require("fs")
require("format")
require("validator")
-- Set variables
local processname = "postfix"
local packagename = "postfix"
local baseurl = "/etc/postfix/"
local aliasesfile = "/etc/mail/aliases"
local path = "PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin "
-- ################################################################################
-- LOCAL FUNCTIONS
local getconfig = function()
-- the postfix config is like an ini file, but it allows multi-line entries
-- so, we convert and then parse like ini file
local content = fs.read_file(baseurl.."main.cf") or ""
-- lines that begin with whitespace and first non-whitespace character is not '#'
-- are continuations, so delete the carriage return
-- have to delete blank and comment lines first, because could be before continuation line
-- I've seen no documentation on inline comments, so user beware
content = string.gsub(content, "\n+", "\n")
content = string.gsub(content, "\n%s*#[^\n]*", "")
content = string.gsub(content, "\n[^%S\n]+([^#])", " %1")
return format.parse_ini_file(content, "") or {}, content
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function startstop_service(action)
return modelfunctions.startstop_service(processname, action, {"Start", "Stop", "Restart", "Reload"})
end
function getstatus()
return modelfunctions.getstatus(processname, packagename, "Postfix Status")
end
function getstatusdetails()
return cfe({ type="longtext", value="", label="Postfix Status Details" })
end
local function geteditablefilelist()
local listed_files = fs.find_files_as_array("[^%.].*", baseurl)
table.insert(listed_files, aliasesfile)
return listed_files
end
function getfilelist()
local listed_files = {}
for i,name in ipairs(geteditablefilelist()) do
local filedetails = fs.stat(name) or {}
table.insert ( listed_files , {filename=name, mtime=filedetails.mtime or "---", filesize=filedetails.size or "0"} )
end
table.sort(listed_files, function (a,b) return (a.filename < b.filename) end )
return cfe({ type="list", value=listed_files, label="Postfix File List" })
end
function getfiledetails(filename)
return modelfunctions.getfiledetails(filename, geteditablefilelist())
end
function updatefiledetails(filedetails)
return modelfunctions.setfiledetails(filedetails, geteditablefilelist())
end
function getnewfile()
local options = {}
options.filename = cfe({ label="File Name" })
return cfe({ type="group", value=options, label="New File" })
end
function createfile(newfile)
newfile.errtxt = "Failed to create file"
local path = newfile.value.filename.value
if not string.find(path, "/") then
path = baseurl..path
end
if validator.is_valid_filename(path, baseurl) then
if posix.stat(path) then
newfile.value.filename.errtxt = "File already exists"
else
fs.create_file(path)
newfile.errtxt = nil
end
else
newfile.value.filename.errtxt = "Invalid filename"
end
return newfile
end
function deletefile(filename)
local result = cfe({ value="Failed to delete file", label="Delete file result" })
if not validator.is_valid_filename(filename, baseurl) then
result.errtxt = "Not a valid filename!"
elseif not fs.is_file(filename) then
result.errtxt = "File doesn't exist!"
else
os.remove(filename)
result.value = "File Deleted"
end
return result
end
function rebuild_databases()
local result = cfe({ value={"Rebuilding databases"}, label="Rebuild Databases result" })
table.insert(result.value, " See logfile for possible errors")
local cmd,f,cmdresult
-- parse main.cf looking for hash files
local config, content = getconfig()
for i,db in ipairs({"btree", "cdb", "dbm", "hash", "sdbm"}) do
for filename in string.gmatch(content, "[%s=]("..db..":%S+)") do
filename = string.gsub(filename, ",$", "")
-- run postmap on file
if filename and not string.find(filename, aliasesfile) then
cmd = "postmap "..filename
table.insert(result.value, "Running: "..cmd)
f = io.popen(format.escapespecialcharacters(path..cmd))
table.insert(result.value, f:read("*a"))
f:close()
end
end
end
-- finally, run newaliases
cmd = "newaliases"
table.insert(result.value, "Running: "..cmd)
f = io.popen(format.escapespecialcharacters(path..cmd))
table.insert(result.value, f:read("*a"))
f:close()
result.value = table.concat(result.value, "\n")
return result
end
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