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|
local mymodule = {}
posix = require("posix")
modelfunctions = require("modelfunctions")
fs = require("acf.fs")
format = require("acf.format")
processinfo = require("acf.processinfo")
validator = require("acf.validator")
-- There are two options of how to allow users to specify the type of certificate they want - the request extensions
-- and the ca signing extensions. We have opted for making all requests look the same (same extensions) and defining
-- different ca sections for the different types of certificates. The ca section to use when signing the request is
-- actually stored in the request filename. The request filename is in the following format:
-- 'username'.'ca section name'.'common name'.csr
local packagename = "openssl"
local configfile = "openssl-ca-acf.cnf"
local requestdir = "req/"
local certdir = "cert/"
local openssldir = "/etc/ssl/"
local basedir = openssldir
-- Save the config in a variable so isn't loaded each and every time needed
local config = nil
-- list of request entries that can be edited
local short_names = { countryName="C", stateOrProvinceName="ST", localityName="L", organizationName="O", organizationalUnitName="OU", commonName="CN" }
-- list of entries that may be found in cert extensions section
local extensions = { "basicConstraints", "nsCertType", "nsComment", "keyUsage", "subjectKeyIdentifier",
"authorityKeyIdentifier", "subjectAltName", "issuerAltName" }
-- list of entries that must be found in ca section (used to define our certificate types)
local ca_mandatory_entries = { "new_certs_dir", "certificate", "private_key", "default_md", "database", "serial", "policy", "default_days" }
local initializecfe = function(self, clientdata, label)
local retval = cfe({ type="group", value={}, label=label or "" })
-- use a table as a dummy value to indicate it has not been overridden
retval.value.cadir = cfe({ type="hidden", value={}, label="CA Directory", key=true })
self.handle_clientdata(retval, clientdata)
-- Restore the cadir from the sessiondata in order to make it persistent
if type(retval.value.cadir.value) == "table" then
if self.sessiondata and self.sessiondata.openssl_cadir then
retval.value.cadir.value = self.sessiondata.openssl_cadir
else
retval.value.cadir.value = ""
end
end
basedir = openssldir
-- Make sure cadir does not contain ".." to ensure stays within openssldir
if string.find(retval.value.cadir.value, "%.%.") then
retval.value.cadir.errtxt = "Invalid Directory"
elseif retval.value.cadir.value ~= "" then
basedir = string.gsub(basedir..retval.value.cadir.value.."/", "/+", "/")
-- Report back cleaned up value
retval.value.cadir.value = string.match(basedir, openssldir.."(.*)/$") or ""
end
-- Save the cadir in the sessiondata in order to make it persistent
if self.sessiondata then
self.sessiondata.openssl_cadir = retval.value.cadir.value
end
return retval
end
-- Create a cfe with the distinguished name defaults
local getdefaults = function(self, clientdata)
local defaults = initializecfe(self, clientdata, "OpenSSL Request")
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
local distinguished_name = config.req.distinguished_name or ""
-- Define the order of the parameters in the form
local order = { "countryName", "C", "stateOrProvinceName", "ST", "localityName", "L", "organizationName", "O",
"organizationalUnitName", "OU", "commonName", "CN", "emailAddress" }
local reverseorder = {}
for i,o in ipairs(order) do reverseorder[o] = i end
-- Get the distinguished name defaults
for name,value in pairs(config[distinguished_name]) do
if nil == string.find(name, "_") then
defaults.value[name] = cfe({ label=value,
value=config[distinguished_name][name .. "_default"] or "", seq=reverseorder[name] or 90 })
end
end
return defaults
end
-- Validate the values of distinguished names using the min/max found in the config file
local validate_distinguished_names = function(values)
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
local distinguished_name = config.req.distinguished_name or ""
local success = true
for name,value in pairs(values.value) do
if string.find(value.value, "[#]") then
value.errtxt = "Value cannot contain #"
success = false
end
-- check min, but empty is allowed
local min = config[distinguished_name][name.."_min"]
if min and value.value and #value.value < tonumber(min) and #value.value > 0 then
value.errtxt = "Value too short"
success = false
end
local max = config[distinguished_name][name.."_max"]
if max and value.value and #value.value > tonumber(max) then
value.errtxt = "Value too long"
success = false
end
end
return success, values
end
-- Write distinguished name defaults to config file
local write_distinguished_names = function(file, values, ignorevalues)
local reverseignore = {}
for i,value in ipairs(ignorevalues) do reverseignore[value]=i end
config = config or format.parse_ini_file(file)
local distinguished_name = config.req.distinguished_name or ""
for name,value in pairs(values.value) do
if not reverseignore[name] then
local wname = name.."_default"
file = format.update_ini_file(file, distinguished_name, wname, value.value)
end
end
config = nil
return file
end
local create_subject_string = function(values, ignorevalues)
local outstr = {}
local reverseignore = {}
for i,value in ipairs(ignorevalues) do reverseignore[value]=i end
-- do the ones with short names first
local reverseshorts = {}
for name,short in pairs(short_names) do
reverseshorts[short] = name
end
for name,value in pairs(values.value) do
name = name:gsub(".*%.", "") -- remove the "0." from the front
if (short_names[name] or reverseshorts[name]) and value.value and value.value ~= "" then
name = short_names[name] or name
-- escape characters
outstr[#outstr + 1] = name .. "=" .. format.escapespecialcharacters(value.value):gsub("[=]", "\\%1")
end
end
-- now do the ones with no short names (and not ignored)
for name,value in pairs(values.value) do
name = name:gsub(".*%.", "") -- remove the "0." from the front
if not reverseignore[name] and not short_names[name] and not reverseshorts[name] and value.value and value.value ~= "" then
-- escape characters
outstr[#outstr + 1] = format.escapespecialcharacters(name) .. "=" .. format.escapespecialcharacters(value.value):gsub("[=]", "\\%1")
end
end
return "/"..table.concat(outstr, "/")
end
local getconfigentry = function(section, value)
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
local result = config[section][value] or config[""][value] or ""
while string.find(result, "%$[%w_]+") do
local sub = string.match(result, "%$[%w_]+")
result = string.gsub(result, sub, config[section][string.sub(sub,2)] or config[""][string.sub(sub,2)] or "")
end
return result
end
-- Find the sections of the config file that define ca's (ca -name option)
local find_ca_sections = function()
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
local cert_types = {}
for section in pairs(config) do
local success = true
for i,entry in ipairs(ca_mandatory_entries) do
if getconfigentry(section,entry) == "" then
success = false
break
end
end
if success then
cert_types[#cert_types + 1] = section
end
end
return cert_types
end
local validate_request = function(defaults, noextensionsections)
local success
success, defaults = validate_distinguished_names(defaults)
if defaults.value.certtype then
local foundcert=false
for i,cert in ipairs(defaults.value.certtype.option) do
if defaults.value.certtype.value == cert then
foundcert=true
break
end
end
if not foundcert then
success = false
defaults.value.certtype.errtxt = "Invalid certificate type"
end
end
if defaults.value.extensions then
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
local extensions = format.parse_ini_file(defaults.value.extensions.value)
for name,value in pairs(extensions or {}) do
if name ~= "" and noextensionsections then
defaults.value.extensions.errtxt = "Cannot contain sections"
success = false
elseif name ~= "" and config[name] then
defaults.value.extensions.errtxt = "Duplicate section name"
success = false
end
end
end
return success, defaults
end
local copyca = function(cacert, cakey)
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
local certpath = getconfigentry(config.ca.default_ca, "certificate")
fs.move_file(cacert, certpath)
local keypath = getconfigentry(config.ca.default_ca, "private_key")
fs.move_file(cakey, keypath)
end
local checkdir = function(name, dirpath)
local errtxt, cmdline
local filestats = posix.stat(dirpath, "type")
if not filestats or filestats == "" then
errtxt = name.." does not exist"
cmdline = function() fs.create_directory(dirpath) end
elseif filestats ~= "directory" then
errtxt = "UNRECOVERABLE - "..name.." not a directory"
end
return errtxt, cmdline
end
local checkfile = function(name, filepath, default)
local errtxt, cmdline
local filestats = posix.stat(filepath, "type")
if not filestats or filestats == "" then
errtxt = name.." does not exist"
if default then
cmdline = function() fs.write_file(filepath, default) end
else
cmdline = function() fs.create_file(filepath) end
end
elseif filestats ~= "regular" then
errtxt = "UNRECOVERABLE - "..name.." not a file"
end
return errtxt, cmdline
end
local hashname = function(name)
local hash = {name:byte(1,-1)}
-- no longer returning '-' separated decimal, but 2 char hex
--return table.concat(hash, "-")
for i,val in ipairs(hash) do hash[i] = string.format("%02X", val) end
return table.concat(hash)
end
local unhashname = function(hashstring)
local hash = {}
-- this is to be backward compatible with '-' separated decimal
if string.find(hashstring, "-") then
for char in string.gmatch(hashstring, "([^-]+)-*") do
hash[#hash+1] = char
end
else
for char in string.gmatch(hashstring, "%x%x") do
hash[#hash+1] = tonumber(char, 16)
end
end
return string.char(unpack(hash))
end
local listrequests = function(user)
user = user or "*"
local list={}
local files = posix.glob(basedir..requestdir..user..".*\\.csr") or {}
for i,x in ipairs(files) do
local name = string.gsub(posix.basename(x), ".csr$", "")
local a,b,c = string.match(name, "([^%.]*)%.([^%.]*)%.([^%.]*)")
list[#list + 1] = {request=name, user=a, certtype=b, commonName=unhashname(c)}
end
return cfe({ type="structure", value=list, label="List of pending requests" })
end
local listcerts = function(user)
user = user or "*"
local list={}
local files = posix.glob(basedir..certdir..user..".*\\.pfx") or {}
-- Do this in two steps - saves forking openssl for each cert, which
-- speeds things up noticably for > 100 certs
local crtlist = {}
for i,x in ipairs(files) do
local name = string.gsub(posix.basename(x), ".pfx$", "")
local a,b,c,d = string.match(name,
"([^%.]*)%.([^%.]*)%.([^%.]*).([^%.]*)")
list[#list + 1] = {cert=name, user=a, certtype=b,
commonName=unhashname(c), serial=d, enddate=enddate,
daysremaining=time}
crtlist[#crtlist+1] = "x509 -in "..basedir..certdir..name..".crt -noout -enddate"
end
local out = modelfunctions.run_executable({"openssl"}, false, table.concat(crtlist, "\n").."\nexit\n")
local outtab = format.string_to_table(out, "\n")
for i,x in ipairs(files) do
local enddate = string.match(outtab[i] or "", "notAfter=(.*)") or "Jan 1 00:00:01 1970 GMT"
local month, day, year =
string.match(enddate, "(%a+)%s+(%d+)%s+%S+%s+(%d+)")
local reversemonth = {Jan=1,Feb=2,Mar=3,Apr=4,May=5,Jun=6,
Jul=7,Aug=8,Sep=9,Oct=10,Nov=11,Dec=12}
local time = os.time({year=year, month=reversemonth[month], day=day})
if os.time() > time then
time = 0
else
time = (time-os.time())/86400
end
list[i].enddate = enddate
list[i].daysremaining = time
end
return cfe({ type="structure", value=list, label="List of approved certificates" })
end
local listrevoked = function()
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
local databasepath = getconfigentry(config.ca.default_ca, "database")
local revoked = {}
local database = fs.read_file_as_array(databasepath) or {}
for x,line in ipairs(database) do
if string.sub(line,1,1) == "R" then
revoked[#revoked + 1] = string.match(line, "^%S+%s+%S+%s+%S+%s+(%S+)")
end
end
return cfe({ type="list", value=revoked, label="Revoked serial numbers" })
end
local checkenvironment = function()
local errtxt = {}
local cmdline = {}
-- First check for the openssl, req, and cert directories
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("openssl directory", basedir)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("new certificate directory", basedir..certdir)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("request directory", basedir..requestdir)
-- Then check for the config file entries
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
if config then
local chkpath = getconfigentry(config.ca.default_ca, "new_certs_dir")
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("new_certs_dir", chkpath)
local file = getconfigentry(config.ca.default_ca, "certificate")
chkpath = posix.dirname(file)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("certificate directory", chkpath)
file = getconfigentry(config.ca.default_ca, "private_key")
chkpath = posix.dirname(file)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("private_key directory", chkpath)
file = getconfigentry(config.ca.default_ca, "database")
chkpath = posix.dirname(file)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("database directory", chkpath)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkfile("database", file)
file = getconfigentry(config.ca.default_ca, "serial")
chkpath = posix.dirname(file)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("serial directory", chkpath)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkfile("serial", file, "01")
file = getconfigentry(config.ca.default_ca, "crlnumber")
if file ~= "" then
chkpath = posix.dirname(file)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("crlnumber directory", chkpath)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkfile("crlnumber", file, "01")
end
else
errtxt[#errtxt+1] = "Configuration invalid"
end
errtxt = table.concat(errtxt, '\n')
local value
if errtxt == "" then
errtxt = nil
value = "Environment ready"
else
value = "Environment not ready"
end
return cfe({ value=value, errtxt=errtxt, cmdline=cmdline, label="Environment" })
end
mymodule.getstatus = function(self, clientdata)
-- set the working directory and umask once for model
posix.umask("rw-------")
posix.chdir(basedir)
local retval = initializecfe(self, clientdata, "OpenSSL status")
local value,errtxt=processinfo.package_version(packagename)
retval.value.version = cfe({ value=value, errtxt=errtxt, label="Program version", name=packagename })
retval.value.conffile = cfe({ value=basedir..configfile, label="Configuration file" })
retval.value.cacert = cfe({ label="CA Certificate" })
retval.value.cacertcontents = cfe({ type="longtext", label="CA Certificate contents" })
retval.value.cakey = cfe({ label="CA Key" })
if not fs.is_file(basedir..configfile) then
retval.value.conffile.errtxt="File not found"
retval.value.cacert.errtxt="File not defined"
retval.value.cacertcontents.errtxt=""
retval.value.cakey.errtxt="File not defined"
else
config = config or format.parse_ini_file(fs.read_file(basedir..configfile) or "")
if (not config) or (not config.ca) or (not config.ca.default_ca) then
retval.value.conffile.errtxt="Invalid config file"
retval.value.cacert.errtxt="File not defined"
retval.value.cacertcontents.errtxt=""
retval.value.cakey.errtxt="File not defined"
else
retval.value.cacert.value = getconfigentry(config.ca.default_ca, "certificate")
if not fs.is_file(retval.value.cacert.value) then
retval.value.cacert.errtxt="File not found"
else
retval.value.cacertcontents.value, retval.value.cacertcontents.errtxt = modelfunctions.run_executable({"openssl", "x509", "-in", retval.value.cacert.value, "-noout", "-text"})
local enddate = string.match(retval.value.cacertcontents.value, "Not After : (.*)")
local month, day, year = string.match(enddate, "(%a+)%s+(%d+)%s+%S+%s+(%d+)")
local reversemonth = {Jan=1,Feb=2,Mar=3,Apr=4,May=5,Jun=6,Jul=7,Aug=8,Sep=9,Oct=10,Nov=11,Dec=12}
local time = os.time({year=year, month=reversemonth[month], day=day})
if os.time() > time then
time = 0
retval.value.cacert.errtxt="Certificate expired"
else
time = (time-os.time())/86400
end
retval.value.cacert.daysremaining=time
end
retval.value.cakey.value = getconfigentry(config.ca.default_ca, "private_key")
if not fs.is_file(retval.value.cakey.value) then
retval.value.cakey.errtxt="File not found"
end
end
end
retval.value.environment = checkenvironment()
return retval
end
mymodule.getreqdefaults = function(self, clientdata)
local defaults = getdefaults(self, clientdata)
--Add in the encryption bit default
local encryption = config.req.default_bits
defaults.value.encryption = cfe({ type="select", label="Encryption Bits", value=encryption, option={"2048", "4096"}, seq=94 })
-- Add in the default days
local validdays = getconfigentry(config.ca.default_ca, "default_days")
defaults.value.validdays = cfe({ type="text", label="Period of Validity (Days)", value=validdays, descr="Number of days this certificate is valid for", seq=95 })
-- Add in the ca type default
defaults.value.certtype = cfe({ type="select", label="Certificate Type",
value=config.ca.default_ca, option=find_ca_sections(), seq=96 })
-- Add in the extensions
local extensions = ""
local content = fs.read_file(basedir..configfile) or ""
config = config or format.parse_ini_file(content)
if config.req.req_extensions then
extensions = format.get_ini_section(content, config.req.req_extensions)
end
defaults.value.extensions = cfe({ type="longtext", label="Additional x509 Extensions", value=extensions, descr="These extensions can be overridden by the Certificate Type", seq=97 })
return defaults
end
mymodule.setreqdefaults = function(self, defaults)
local success, defaults = validate_request(defaults, true)
-- If success, write the values to the config file
if success then
local fileval = fs.read_file(basedir..configfile) or ""
config = config or format.parse_ini_file(fileval)
local ext_section
if not config.req or not config.req.req_extensions then
ext_section = "v3_req"
while config[ext_section] do ext_section = "v3_req_"..tostring(os.time()) end
fileval = format.update_ini_file(fileval, "req", "req_extensions", ext_section)
else
ext_section = config.req.req_extensions
end
config = nil
fileval = format.update_ini_file(fileval,"","default_days",defaults.value.validdays.value)
fileval = format.set_ini_section(fileval, ext_section, format.dostounix(defaults.value.extensions.value))
fileval = format.update_ini_file(fileval, "ca", "default_ca", defaults.value.certtype.value)
fileval = write_distinguished_names(fileval, defaults, {"certtype", "extensions", "validdays"})
fs.write_file(basedir..configfile, fileval)
end
if not success then
defaults.errtxt = "Failed to set defaults"
end
return defaults
end
mymodule.getnewrequest = function(self, clientdata)
local values = mymodule.getreqdefaults(self, clientdata)
-- In addition to the request defaults, we need a password and confirmation
values.value.password = cfe({ type="password", label="Password", seq=98 })
values.value.password_confirm = cfe({ type="password", label="Password confirmation", seq=99 })
return values
end
mymodule.submitrequest = function(self, defaults, submit, user)
local success, defaults = validate_request(defaults)
-- Must have a common name
if #defaults.value.commonName.value == 0 then
defaults.value.commonName.errtxt = "Common Name cannot be blank"
success = false
end
-- Check validity of password
if #defaults.value.password.value < 4 then
defaults.value.password.errtxt = "Password too short"
success = false
end
if defaults.value.password.value ~= defaults.value.password_confirm.value then
defaults.value.password_confirm.errtxt = "You entered wrong password/confirmation"
success = false
end
local reqname = basedir..requestdir..user.."."..defaults.value.certtype.value.."."..hashname(defaults.value.commonName.value)
if fs.is_file(reqname..".csr") then
defaults.errtxt = "Failed to submit request\nRequest already exists"
success = false
end
if not tonumber(defaults.value.validdays.value) then
defaults.value.validdays.errtxt = "Period of Validity is not a number"
success = false
end
if success then
-- Submit the request
local subject = create_subject_string(defaults, {"password", "password_confirm", "certtype", "extensions"})
-- Generate a temp config file for this request
local fileval = fs.read_file(basedir..configfile) or ""
config = config or format.parse_ini_file(fileval)
local ext_section = "v3_req"
while config[ext_section] do ext_section = "v3_req_"..tostring(os.time()) end
local content = format.dostounix(defaults.value.extensions.value)
-- Override with the extensions for this cert type
if config[defaults.value.certtype.value].x509_extensions then
local temp = config[defaults.value.certtype.value].x509_extensions
for name,value in pairs(config[temp] or {}) do
if not string.find(value, "issuer") then
content = format.update_ini_file(content, "", name, value)
end
end
end
fileval = format.update_ini_file(fileval, "req","default_bits",defaults.value.encryption.value)
fileval = format.update_ini_file(fileval, "","default_days",defaults.value.validdays.value)
fileval = format.set_ini_section(fileval, ext_section, content)
fileval = format.update_ini_file(fileval, "req", "req_extensions", ext_section)
fs.write_file(reqname..".cfg", fileval)
defaults.descr, defaults.errtxt = modelfunctions.run_executable({"openssl", "req", "-nodes", "-new", "-config", reqname..".cfg", "-keyout", reqname..".pem", "-out", reqname..".csr", "-subj", subject}, true)
local certfilestats = posix.stat(reqname..".csr")
local keyfilestats = posix.stat(reqname..".pem")
if not certfilestats or certfilestats.size == 0 or not keyfilestats or keyfilestats.size == 0 then
success = false
os.remove(reqname..".cfg")
os.remove(reqname..".csr")
os.remove(reqname..".pem")
else
fs.write_file(reqname..".pwd", defaults.value.password.value)
fs.write_file(reqname..".sbj", subject)
end
end
if not success and not defaults.errtxt then
defaults.errtxt = "Failed to submit request"
end
return defaults
end
mymodule.readall = function(self, clientdata)
local result = initializecfe(self, clientdata, "All Certificates")
result.value.pending = listrequests()
result.value.approved = listcerts()
result.value.revoked = listrevoked()
return result
end
mymodule.readuser = function(self, clientdata, user)
local result = initializecfe(self, clientdata, "Certificates for "..user)
result.value.user = cfe({ value=user, label="User Name" })
result.value.pending = listrequests(user)
result.value.approved = listcerts(user)
result.value.revoked = listrevoked()
return result
end
mymodule.viewrequest = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Request")
retval.value.request = cfe({ label="Request", key=true })
self.handle_clientdata(retval, clientdata)
local request = retval.value.request.value
local reqpath = basedir..requestdir .. request
local cmdresult = modelfunctions.run_executable({"openssl", "req", "-in", reqpath..".csr", "-text", "-noout"})
local a,b,c = string.match(request, "([^%.]*)%.([^%.]*)%.([^%.]*)")
retval.value.details = cfe({ type="structure", value={request=request, user=a, certtype=b, commonName=unhashname(c), value=cmdresult}, label="Request Details" })
return retval
end
mymodule.getapproverequest = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Approve Request")
retval.value.request = cfe({ value=clientdata.request or "", label="Request" })
return retval
end
mymodule.approverequest = function(self, apprequest)
local reqpath = basedir..requestdir .. apprequest.value.request.value
if fs.is_file(reqpath..".csr") then
-- Request file exists, so try to sign
local user,certtype,commonName = string.match(apprequest.value.request.value, "([^%.]*)%.([^%.]*)%.([^%.]*)")
-- Add the serial number to the end of the cert file name
local serialpath = getconfigentry(certtype, "serial")
local serialfile = fs.read_file(serialpath) or ""
local serial = string.match(serialfile, "%x+")
local certname = basedir..certdir..apprequest.value.request.value.."."..serial
-- Now, sign the certificate
apprequest.descr, apprequest.errtxt = modelfunctions.run_executable({"openssl", "ca", "-config", reqpath..".cfg", "-in", reqpath..".csr", "-out", certname..".crt", "-name", certtype, "-batch"}, true)
-- If certificate created, create the wrapped up pkcs12
local filestats = posix.stat(certname..".crt")
if filestats and filestats.size > 0 then
-- We're wrapping up the key, the cert, and the CA cert (and whatever came with it)
local newcmdresult, newerrtxt = modelfunctions.run_executable({"openssl", "pkcs12", "-export", "-inkey", reqpath..".pem", "-in", certname..".crt", "-out", certname..".pfx", "-passout", "file:"..reqpath..".pwd", "-certfile", getconfigentry(certtype, "certificate")}, true)
apprequest.descr = apprequest.descr .. newcmdresult
if apprequest.errtxt then
apprequest.errtxt = apprequest.errtxt .. (newerrtxt or "")
else
apprequest.errtxt = newerrtxt
end
end
-- Finally, remove the request
filestats = posix.stat(certname..".pfx")
if filestats and filestats.size > 0 then
fs.move_file(reqpath..".pwd", certname..".pwd")
fs.move_file(reqpath..".sbj", certname..".sbj")
fs.move_file(reqpath..".pem", certname..".pem")
fs.move_file(reqpath..".cfg", certname..".cfg")
os.remove(reqpath..".csr")
else
-- or failed, remove the cert
os.remove(certname..".crt")
os.remove(certname..".pfx")
end
else
apprequest.errtxt = "Failed to approve request"
apprequest.value.request.errtxt = "Failed to find request"
end
return apprequest
end
mymodule.getdeleterequest = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Delete Request")
retval.value.request = cfe({ value=clientdata.request or "", label="Request" })
return retval
end
mymodule.deleterequest = function(self, delrequest, submit, user)
user = user or ".*"
if (not fs.is_file(basedir..requestdir..delrequest.value.request.value..".csr")) or (not string.find(delrequest.value.request.value, "^"..user.."%.")) then
delrequest.value.request.errtxt = "Request not found"
delrequest.errtxt = "Failed to Delete Request"
else
local reqpath = basedir..requestdir..delrequest.value.request.value
os.remove(reqpath..".pwd")
os.remove(reqpath..".sbj")
os.remove(reqpath..".pem")
os.remove(reqpath..".cfg")
os.remove(reqpath..".csr")
end
return delrequest
end
mymodule.viewcert = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Certificate")
retval.value.cert = cfe({ label="Certificate", key=true })
self.handle_clientdata(retval, clientdata)
local cert = retval.value.cert.value
local cmdresult = modelfunctions.run_executable({"openssl", "x509", "-in", basedir..certdir..cert..".crt", "-noout", "-text"})
local a,b,c,d = string.match(cert, "([^%.]*)%.([^%.]*)%.([^%.]*).([^%.]*)")
retval.value.details = cfe({ type="structure", value={cert=cert, user=a, certtype=b, commonName=unhashname(c), serial=d, value=cmdresult}, label="Certificate Details" })
return retval
end
mymodule.getcert = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Certificate")
retval.value.cert = cfe({ label="Certificate", key=true })
self.handle_clientdata(retval, clientdata)
local cert = retval.value.cert.value
if cert ~= "" then
local f = fs.read_file(basedir..certdir..cert..".pfx") or ""
local a,b,c,d = string.match(cert, "([^%.]*)%.([^%.]*)%.([^%.]*).([^%.]*)")
c = string.gsub(unhashname(c), "[^%w_-]", "")
retval.value.details = cfe({ type="raw", value=f, label=c..".pfx", option="application/x-pkcs12" })
end
return retval
end
mymodule.getrevokecert = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Revoke Certificate")
retval.value.cert = cfe({ value=clientdata.cert or "", label="Certificate" })
return retval
end
mymodule.revokecert = function(self, revreq)
revreq.descr, revreq.errtxt = modelfunctions.run_executable({"openssl", "ca", "-config", basedir..configfile, "-revoke", basedir..certdir..revreq.value.cert.value..".crt", "-batch"}, true)
return revreq
end
mymodule.getdeletecert = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Delete Certificate")
retval.value.cert = cfe({ value=clientdata.cert or "", label="Certificate" })
return retval
end
mymodule.deletecert = function(self, delcert)
-- The certificate will still be in the ca directories and index.txt, just not available for web interface
local certname = basedir..certdir..delcert.value.cert.value
os.remove(certname..".cfg")
os.remove(certname..".crt")
os.remove(certname..".pem")
os.remove(certname..".pfx")
os.remove(certname..".pwd")
os.remove(certname..".sbj")
return delcert
end
mymodule.getrenewcert = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Renew Certificate")
retval.value.cert = cfe({ value=clientdata.cert or "", label="Certificate" })
return retval
end
mymodule.renewcert = function(self, recert, submit, approve)
local success = true
local user,certtype,commonName,serialnum = string.match(recert.value.cert.value, "([^%.]*)%.([^%.]*)%.([^%.]*).([^%.]*)")
local reqname = basedir..requestdir..user.."."..certtype.."."..commonName
if fs.is_file(reqname..".csr") then
recert.errtxt = "Failed to submit request"
recert.value.cert.errtxt = "Request already exists"
success = false
end
if success then
-- Submit the request
-- First, put the subject, config file and password in place
local certname = basedir..certdir..recert.value.cert.value
fs.copy_file(certname..".pwd", reqname..".pwd")
fs.copy_file(certname..".sbj", reqname..".sbj")
fs.copy_file(certname..".cfg", reqname..".cfg")
-- Next, get the subject (removing the /n inserted by fs.write_file)
local subject = string.gsub(fs.read_file(reqname..".sbj") or "", "\n", "")
-- Next, submit the request (new key)
recert.descr, recert.errtxt = modelfunctions.run_executable({"openssl", "req", "-nodes", "-new", "-config", reqname..".cfg", "-keyout", reqname..".pem", "-out", reqname..".csr", "-subj", subject}, true)
local filestats = posix.stat(reqname..".csr")
if not filestats or filestats.size == 0 then
recert.errtxt = "Failed to submit request\n"..recert.descr
recert.descr = nil
success = false
os.remove(reqname..".pwd")
os.remove(reqname..".sbj")
os.remove(reqname..".cfg")
os.remove(reqname..".pem")
os.remove(reqname..".csr")
else
recert.descr = "Submitted request"
end
end
if success and approve then
local tmp = mymodule.getapproverequest(self, {})
tmp.value.request.value = posix.basename(reqname)
tmp = mymodule.approverequest(self, tmp)
if tmp.errtxt then
recert.descr = recert.descr.."\n"..tmp.errtxt
end
end
return recert
end
mymodule.getcrl = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Certificate Revocation List")
retval.value.crltype = cfe({ type="select", value="", option={"", "DER", "PEM"}, label="CRL Type", key=true })
self.handle_clientdata(retval, clientdata)
local crltype = retval.value.crltype.value
if modelfunctions.validateselect(retval.value.crltype) then
retval.value.details = cfe({ type="raw", option="application/pkix-crl" })
modelfunctions.run_executable({"openssl", "ca", "-config", basedir..configfile, "-gencrl", "-out", basedir.."ca-crl.crl"})
modelfunctions.run_executable({"openssl", "crl", "-in", basedir.."ca-crl.crl", "-out", basedir.."ca-der-crl.crl", "-outform", "DER"})
if crltype == "DER" then
retval.value.details.label = "ca-der-crl.crl"
retval.value.details.value = fs.read_file(retval.value.details.label) or ""
elseif crltype == "PEM" then
retval.value.details.label = "ca-crl.crl"
retval.value.details.value = fs.read_file(retval.value.details.label) or ""
else
retval.value.details.value = fs.read_file("ca-der-crl.crl") or ""
end
end
return retval
end
mymodule.getca = function(self, clientdata)
local retval = initializecfe(self, clientdata, "CA Certificate")
retval.value.certtype = cfe({ type="select", value="", option={"", "DER", "PEM"}, label="Certificate Type", key=true })
self.handle_clientdata(retval, clientdata)
local certtype = retval.value.certtype.value
if modelfunctions.validateselect(retval.value.certtype) then
retval.value.details = cfe({ type="raw", option="application/x-x509-ca-cert" })
local fname = "cacert."
if certtype == "DER" then
if not posix.stat(basedir.."cacert.der") then
modelfunctions.run_executable({"openssl", "x509", "-in", basedir.."cacert.pem", "-outform", "der", "-out", basedir.."cacert.der"})
end
fname = fname.."der"
retval.value.details.label = fname
elseif certtype == "PEM" then
fname = fname.."pem"
retval.value.details.label = fname
else
fname = fname.."pem"
end
retval.value.details.value = fs.read_file(fname) or ""
end
return retval
end
mymodule.getnewputca = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Upload CA Certificate")
retval.value.ca = cfe({ type="raw", value=0, label="CA Certificate", descr='File must be a password protected ".pfx" file', seq=1 })
retval.value.password = cfe({ type="password", label="Certificate Password", seq=2 })
return retval
end
mymodule.putca = function(self, newca)
local success = true
-- Trying to upload a cert/key
-- The way haserl works, ca contains the temporary file name
-- First, get the cert
local cmd, f, cmdresult
if validator.is_valid_filename(newca.value.ca.value, "/tmp/") and fs.is_file(newca.value.ca.value) then
cmdresult = modelfunctions.run_executable({"openssl", "pkcs12", "-in", newca.value.ca.value, "-out", newca.value.ca.value.."cert.pem", "-password", "pass:"..newca.value.password.value, "-nokeys"}, true)
local filestats = posix.stat(newca.value.ca.value.."cert.pem")
if not filestats or filestats.size == 0 then
newca.value.ca.errtxt = "Could not open certificate\n"..cmdresult
success = false
end
else
newca.value.ca.errtxt = "Invalid certificate"
success = false
end
-- Check to make sure we got a CA cert
if success then
cmdresult = modelfunctions.run_executable({"openssl", "x509", "-in", newca.value.ca.value.."cert.pem", "-noout","-text"})
if not string.find(cmdresult, "CA:TRUE") then
newca.value.ca.errtxt = "Could not find CA Certificate"
success = false
end
end
-- Now, get the key
if success then
cmdresult = modelfunctions.run_executable({"openssl", "pkcs12", "-in", newca.value.ca.value, "-out", newca.value.ca.value.."key.pem", "-password", "pass:"..newca.value.password.value, "-nocerts", "-nodes"}, true)
filestats = posix.stat(newca.value.ca.value.."key.pem")
if not filestats or filestats.size == 0 then
newca.value.ca.errtxt = "Could not find CA key\n"..cmdresult
success = false
end
end
if success then
-- copy the keys
copyca(newca.value.ca.value.."cert.pem", newca.value.ca.value.."key.pem")
else
newca.errtxt = "Failed to upload CA certificate"
end
-- Delete the temporary files
if validator.is_valid_filename(newca.value.ca.value, "/tmp/") and fs.is_file(newca.value.ca.value) then
os.remove(newca.value.ca.value.."cert.pem")
os.remove(newca.value.ca.value.."key.pem")
end
-- Clear the values
newca.value.ca.value = ""
newca.value.password.value = ""
return newca
end
mymodule.getnewcarequest = function(self, clientdata)
request = getdefaults(self, clientdata)
-- In addition to the distinguished name defaults, we need days
request.value.days = cfe({ value="365", label="Number of days to certify", seq=95 })
return request
end
mymodule.generateca = function(self, defaults)
local success, defaults = validate_request(defaults)
if not validator.is_integer(defaults.value.days.value) then
defaults.value.days.errtxt = "Must be a number"
success = false
end
if success then
os.remove("/tmp/cacert.pem")
os.remove("/tmp/cakey.pem")
-- Submit the request
local subject = create_subject_string(defaults, {"days"})
local cmdresult = modelfunctions.run_executable({"openssl", "req", "-x509", "-nodes", "-new", "-config", basedir..configfile, "-keyout", "/tmp/cakey.pem", "-out", "/tmp/cacert.pem", "-subj", subject, "-days", defaults.value.days.value}, true)
local certfilestats = posix.stat("/tmp/cacert.pem")
local keyfilestats = posix.stat("/tmp/cakey.pem")
if not certfilestats or certfilestats.size == 0 or not keyfilestats or keyfilestats.size == 0 then
defaults.errtxt = "Failed to generate CA certificate\n"..cmdresult
success = false
end
if success then
-- copy the keys
copyca("/tmp/cacert.pem", "/tmp/cakey.pem")
end
-- Delete the temporary files
os.remove("/tmp/cacert.pem")
os.remove("/tmp/cakey.pem")
end
if not success and not defaults.errtxt then
defaults.errtxt = "Failed to generate CA certificate"
end
return defaults
end
mymodule.getconfigfile = function(self, clientdata)
local retval = initializecfe(self, clientdata, "")
local retval2 = modelfunctions.getfiledetails(basedir..configfile)
for name,value in pairs(retval.value) do
retval2.value[name] = value
end
return retval2
end
mymodule.setconfigfile = function(self, filedetails)
-- validate
-- setfiledetails does not return the same cfe, so have to copy any missing ones
local retval2 = modelfunctions.setfiledetails(self, filedetails, {basedir..configfile})
for name,value in pairs(filedetails.value) do
retval2.value[name] = value
end
return retval2
end
mymodule.getenvironment = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Check Environment")
retval.value.status = checkenvironment()
return retval
end
mymodule.setenvironment = function(self, setenv)
-- loop through the cmdline and execute
for x,cmd in ipairs(setenv.value.status.cmdline) do
cmd()
end
setenv.value.status = checkenvironment()
if setenv.value.status.errtxt then
setenv.errtxt = "Failed to Configure Environment"
end
return setenv
end
mymodule.get_ca_chain = function(self, clientdata)
-- determine the CommonNames for each CA in the chain from cadir back to openssldir
local retval = initializecfe(self, clientdata, "CA Chain Information")
retval.value.commonnames = cfe({ type="list", value={}, label="CA Common Names" })
local cadir,count = string.gsub(retval.value.cadir.value, "/", "/")
if retval.value.cadir.value == "" then count=-1 end
local matchstring = ""
for i=1, (count+2) do
local basedir = openssldir
if matchstring ~= "" then
basedir = basedir..string.match(cadir, matchstring).."/"
end
matchstring = matchstring.."/?[^/]*"
-- This messes with the global, but it will be correct again at the end of the loop
config = format.parse_ini_file(fs.read_file(basedir..configfile) or "")
if (not config) or (not config.ca) or (not config.ca.default_ca) then
--error "Invalid config"
retval.value.commonnames.value[i] = "error"
else
local cacert = getconfigentry(config.ca.default_ca, "certificate")
if not fs.is_file(cacert) then
--error "File not found"
retval.value.commonnames.value[i] = "error"
else
cacertsubject, errtxt = modelfunctions.run_executable({"openssl", "x509", "-in", cacert, "-noout", "-subject"})
if errtxt or not string.find(cacertsubject, "CN=") then
--error "CommonName not found"
retval.value.commonnames.value[i] = "error"
else
retval.value.commonnames.value[i] = string.match(cacertsubject, "CN=([^/%W]*)")
end
end
end
end
return retval
end
mymodule.getsubca = function(self, clientdata)
local retval = initializecfe(self, clientdata, "Sub-CA Certificate")
retval.value.cert = cfe({ label="Certificate", key=true })
return retval
end
mymodule.createsubca = function(self, subca)
local success = true
local cert = basedir..certdir..subca.value.cert.value
if not posix.stat(cert..".crt") or not string.match(subca.value.cert.value, "[^%.]*%.ssl_ca_cert%.") then
subca.value.cert.errtxt = "Invalid Sub-CA"
success = false
else
local subcadir = basedir..subca.value.cert.value.."/"
if not fs.is_dir(subcadir) then
success = fs.create_directory(subcadir)
end
if success and not posix.stat(subcadir..configfile) then
-- Copy the config from this CA, but modify 'dir'
local configcontent = fs.read_file(basedir..configfile) or ""
configcontent = format.update_ini_file(configcontent, nil, "dir", basedir..subca.value.cert.value)
fs.write_file(subcadir..configfile, configcontent)
-- Copy the cert
-- temporarily overwrite the global config with the new one
config = format.parse_ini_file(configcontent)
fs.copy_file(cert..".crt", getconfigentry(config.ca.default_ca, "certificate"))
fs.copy_file(cert..".pem", getconfigentry(config.ca.default_ca, "private_key"))
config = nil
-- Set up the environment
-- temporarily overwrite the basedir
local oldbasedir = basedir
basedir = subcadir
local envstatus = checkenvironment()
-- loop through the cmdline and execute
for x,cmd in ipairs(envstatus.cmdline) do
cmd()
end
basedir = oldbasedir
end
if success and self.sessiondata then
self.sessiondata.openssl_cadir = subca.value.cadir.value.."/"..subca.value.cert.value
end
end
if not success then
subca.errtxt = "Failed to configure sub-CA"
end
return subca
end
return mymodule
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