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|
module(..., package.seeall)
require("posix")
require("modelfunctions")
fs = require("acf.fs")
format = require("acf.format")
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 = "/etc/ssl/openssl.cnf"
local configfile = "/etc/ssl/openssl-ca-acf.cnf"
local requestdir = "/etc/ssl/req/"
local certdir = "/etc/ssl/cert/"
local openssldir = "/etc/ssl/"
local path = "PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin "
-- 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" }
-- Create a cfe with the distinguished name defaults
local getdefaults = function()
local defaults = cfe({ type="group", value={} })
config = config or format.parse_ini_file(fs.read_file(configfile) or "")
local distinguished_name = config.req.distinguished_name or ""
-- 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 "" })
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(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(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(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(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(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
getstatus = function()
processinfo = require("acf.processinfo")
-- set the working directory once for model
posix.chdir(openssldir)
local value,errtxt=processinfo.package_version(packagename)
local version = cfe({ value=value, errtxt=errtxt, label="Program version", name=packagename })
local conffile = cfe({ value=configfile, label="Configuration file" })
local cacert = cfe({ label="CA Certificate" })
local cacertcontents = cfe({ type="longtext", label="CA Certificate contents" })
local cakey = cfe({ label="CA Key" })
if not fs.is_file(configfile) then
conffile.errtxt="File not found"
cacert.errtxt="File not defined"
cacertcontents.errtxt=""
cakey.errtxt="File not defined"
else
config = config or format.parse_ini_file(fs.read_file(configfile) or "")
if (not config) or (not config.ca) or (not config.ca.default_ca) then
conffile.errtxt="Invalid config file"
cacert.errtxt="File not defined"
cacertcontents.errtxt=""
cakey.errtxt="File not defined"
else
cacert.value = getconfigentry(config.ca.default_ca, "certificate")
if not fs.is_file(cacert.value) then
cacert.errtxt="File not found"
else
local cmd = path .. "openssl x509 -in "..format.escapespecialcharacters(cacert.value).." -noout -text"
local f = io.popen(cmd)
cacertcontents.value = f:read("*a")
f:close()
local enddate = string.match(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
cacert.errtxt="Certificate expired"
else
time = (time-os.time())/86400
end
cacert.daysremaining=time
end
cakey.value = getconfigentry(config.ca.default_ca, "private_key")
if not fs.is_file(cakey.value) then
cakey.errtxt="File not found"
end
end
end
local environment = checkenvironment()
return cfe({ type="group", value={version=version, conffile=conffile, environment=environment, cacert=cacert, cacertcontents=cacertcontents, cakey=cakey}, label="openssl status" })
end
set_umask = function()
return posix.umask("rw-------")
end
getreqdefaults = function()
local defaults = getdefaults()
--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"} })
-- 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" })
-- Add in the ca type default
defaults.value.certtype = cfe({ type="select", label="Certificate Type",
value=config.ca.default_ca, option=find_ca_sections() })
-- Add in the extensions
local extensions = ""
local content = fs.read_file(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" })
return defaults
end
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(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(configfile, fileval)
end
if not success then
defaults.errtxt = "Failed to set defaults"
end
return defaults
end
getnewrequest = function()
local values = getreqdefaults()
-- In addition to the request defaults, we need a password and confirmation
values.value.password = cfe({ label="Password" })
values.value.password_confirm = cfe({ label="Password confirmation" })
return values
end
submitrequest = function(defaults, 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 = 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(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)
local cmd = path .. "openssl req -nodes -new -config "..format.escapespecialcharacters(reqname)..".cfg -keyout "..format.escapespecialcharacters(reqname)..".pem -out "..format.escapespecialcharacters(reqname)..'.csr -subj "'..subject..'" 2>&1'
local f = io.popen(cmd)
local cmdresult = f:read("*a")
f:close()
defaults.descr = cmdresult
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
listrequests = function(user)
user = user or "*"
local list={}
local files = posix.glob(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] = {name=name, user=a, certtype=b, commonName=unhashname(c)}
end
return cfe({ type="list", value=list, label="List of pending requests" })
end
viewrequest = function(request)
local reqpath = requestdir .. request
local cmd = path .. "openssl req -in "..format.escapespecialcharacters(reqpath)..".csr -text -noout"
local f = io.popen(cmd)
local cmdresult = f:read("*a")
f:close()
local a,b,c = string.match(request, "([^%.]*)%.([^%.]*)%.([^%.]*)")
local request = cfe({ type="table", value={name=name, user=a, certtype=b, commonName=c, value=cmdresult}, label="Request" })
return request
end
approverequest = function(request)
local cmdresult = cfe({ value="Failed to approve request", label="Approve result" })
local reqpath = requestdir .. request
if fs.is_file(reqpath..".csr") then
-- Request file exists, so try to sign
local user,certtype,commonName = string.match(request, "([^%.]*)%.([^%.]*)%.([^%.]*)")
-- 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 = certdir..request.."."..serial
-- Now, sign the certificate
local cmd = path .. "openssl ca -config "..format.escapespecialcharacters(reqpath)..".cfg -in "..format.escapespecialcharacters(reqpath)..".csr -out "..format.escapespecialcharacters(certname)..".crt -name "..format.escapespecialcharacters(certtype).." -batch 2>&1"
local f = io.popen(cmd)
cmdresult.value = f:read("*a")
f:close()
-- 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)
cmd = path .. "openssl pkcs12 -export -inkey "..format.escapespecialcharacters(reqpath)..".pem -in "..format.escapespecialcharacters(certname)..".crt -out "..format.escapespecialcharacters(certname)..".pfx -passout file:"..format.escapespecialcharacters(reqpath)..".pwd -certfile "..format.escapespecialcharacters(getconfigentry(certtype, "certificate")).." 2>&1"
f = io.popen(cmd)
local newcmdresult = f:read("*a")
f:close()
cmdresult.value = cmdresult.value .. newcmdresult
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
end
return cmdresult
end
deleterequest = function(request, user)
user = user or ".*"
if (not fs.is_file(requestdir..request..".csr")) or (not string.find(request, "^"..user.."%.")) then
return cfe({ value="Request not found", label="Delete result" })
end
local reqpath = requestdir..request
os.remove(reqpath..".pwd")
os.remove(reqpath..".sbj")
os.remove(reqpath..".pem")
os.remove(reqpath..".cfg")
os.remove(reqpath..".csr")
return cfe({ value="Request deleted", label="Delete result" })
end
listcerts = function(user)
user = user or "*"
local list={}
local files = posix.glob(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 = "cat <<-EOF | openssl\n"
local crttab = {}
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] = {name=name, user=a, certtype=b,
commonName=unhashname(c), serial=d, enddate=enddate,
daysremaining=time}
crtlist = crtlist .. "x509 -in " ..
certdir..format.escapespecialcharacters(name) ..
".crt -noout -enddate\n"
end
crtlist = crtlist .. "EOF\n"
local fh=io.popen(crtlist)
for i,x in ipairs(files) do
local enddate = fh:read("*l") or "notAfter=Jan 1 00:00:01 1970 GMT"
enddate = string.match(enddate, "notAfter=(.*)")
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
fh:close()
return cfe({ type="list", value=list, label="List of approved certificates" })
end
viewcert = function(cert)
local cmd = path .. "openssl x509 -in "..certdir..format.escapespecialcharacters(cert)..".crt -noout -text"
local f = io.popen(cmd)
local cmdresult = f:read("*a")
f:close()
local a,b,c,d = string.match(cert, "([^%.]*)%.([^%.]*)%.([^%.]*).([^%.]*)")
return cfe({ type="table", value={name=name, user=a, certtype=b, commonName=c, serial=d, value=cmdresult}, label="Certificate" })
end
getcert = function(cert)
local f = fs.read_file(certdir..cert..".pfx") or ""
local a,b,c,d = string.match(cert, "([^%.]*)%.([^%.]*)%.([^%.]*).([^%.]*)")
c = string.gsub(unhashname(c), "[^%w_-]", "")
return cfe({ type="raw", value=f, label=c..".pfx", option="application/x-pkcs12" })
end
revokecert = function(cert)
local cmdresult = cfe({ label="Revoke result" })
local cmd = path .. "openssl ca -config "..configfile.." -revoke "..certdir .. format.escapespecialcharacters(cert)..".crt -batch 2>&1"
local f = io.popen(cmd)
cmdresult.value = f:read("*a")
f:close()
return cmdresult
end
deletecert = function(cert)
-- The certificate will still be in the ca directories and index.txt, just not available for web interface
local certname = certdir..cert
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 cfe({ value="Certificate deleted", label="Delete result" })
end
renewcert = function(cert, approve)
local cmdresult = ""
local success = true
local user,certtype,commonName,serialnum = string.match(cert, "([^%.]*)%.([^%.]*)%.([^%.]*).([^%.]*)")
local reqname = requestdir..user.."."..certtype.."."..commonName
if fs.is_file(reqname..".csr") then
cmdresult = "Failed to submit request\nRequest already exists"
success = false
end
if success then
-- Submit the request
-- First, put the subject, config file and password in place
local certname = certdir..cert
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)
cmd = path .. "openssl req -nodes -new -config "..format.escapespecialcharacters(reqname)..".cfg -keyout "..format.escapespecialcharacters(reqname)..".pem -out "..format.escapespecialcharacters(reqname)..'.csr -subj "'..subject..'" 2>&1'
f = io.popen(cmd)
cmdresult = f:read("*a")
f:close()
local filestats = posix.stat(reqname..".csr")
if not filestats or filestats.size == 0 then
cmdresult = "Failed to submit request\n"..cmdresult
success = false
os.remove(reqname..".pwd")
os.remove(reqname..".sbj")
os.remove(reqname..".cfg")
os.remove(reqname..".pem")
os.remove(reqname..".csr")
else
cmdresult = "Submitted request"
end
end
if success and approve then
approverequest(posix.basename(reqname))
end
return cfe({ type="boolean", value=cmdresult, label="Renew result" })
end
listrevoked = function()
config = config or format.parse_ini_file(fs.read_file(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
getcrl = function(crltype)
local crlfile = cfe({ type="raw", option="application/pkix-crl" })
local cmd = path .. "openssl ca -config "..configfile.." -gencrl -out "..openssldir.."ca-crl.crl"
local f = io.popen(cmd)
f:close()
local cmd = path .. "openssl crl -in "..openssldir.."ca-crl.crl -out "..openssldir.."ca-der-crl.crl -outform DER"
local f = io.popen(cmd)
f:close()
if string.lower(crltype or "") == "der" then
crlfile.label = "ca-der-crl.crl"
crlfile.value = fs.read_file(crlfile.label) or ""
elseif string.lower(crltype or "") == "pem" then
crlfile.label = "ca-crl.crl"
crlfile.value = fs.read_file(crlfile.label) or ""
else
crlfile.value = fs.read_file("ca-der-crl.crl") or ""
end
return crlfile
end
getca = function(certtype)
local result = cfe({ type="raw", option="application/x-x509-ca-cert" })
local fname = "cacert."
if string.lower(certtype or "") == "der" then
local cmd = path .. "openssl x509 -in "..openssldir.."cacert.pem -outform der -out "..openssldir.."cacert.der"
local f = io.popen(cmd)
f:close()
fname = fname.."der"
result.label = fname
elseif string.lower(certtype or "") == "pem" then
fname = fname.."pem"
result.label = fname
else
fname = fname.."pem"
end
result.value = fs.read_file(fname) or ""
return result
end
getnewputca = function()
local ca = cfe({ type="raw", value=0, label="CA Certificate", descr='File must be a password protected ".pfx" file' })
local password = cfe({ label="Certificate Password" })
return cfe({ type="group", value={ca=ca, password=password} })
end
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
cmd = path .. "openssl pkcs12 -in "..format.escapespecialcharacters(newca.value.ca.value).." -out "..format.escapespecialcharacters(newca.value.ca.value).."cert.pem -password pass:"..format.escapespecialcharacters(newca.value.password.value).." -nokeys 2>&1"
f = io.popen(cmd)
cmdresult = f:read("*a")
f:close()
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
cmd = path .. "openssl x509 -in "..format.escapespecialcharacters(newca.value.ca.value).."cert.pem -noout -text"
f = io.popen(cmd)
cmdresult = f:read("*a")
f:close()
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
cmd = path .. "openssl pkcs12 -in "..format.escapespecialcharacters(newca.value.ca.value).." -out "..format.escapespecialcharacters(newca.value.ca.value).."key.pem -password pass:"..format.escapespecialcharacters(newca.value.password.value).." -nocerts -nodes 2>&1"
f = io.popen(cmd)
cmdresult = f:read("*a")
f:close()
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
getnewcarequest = function()
request = getdefaults()
-- In addition to the distinguished name defaults, we need days
request.value.days = cfe({ value="365", label="Number of days to certify" })
return request
end
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 cmd = path .. "openssl req -x509 -nodes -new -config "..configfile..' -keyout /tmp/cakey.pem -out /tmp/cacert.pem -subj "'..subject..'" -days '..format.escapespecialcharacters(defaults.value.days.value).." 2>&1"
local f = io.popen(cmd)
local cmdresult = f:read("*a")
f:close()
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
getconfigfile = function()
return modelfunctions.getfiledetails(configfile)
end
setconfigfile = function(self, filedetails)
-- validate
return modelfunctions.setfiledetails(self, filedetails, {configfile})
end
checkenvironment = function(set)
local errtxt = {}
local cmdline = {}
-- First check for the openssl, req, and cert directories
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("openssl directory", openssldir)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("new certificate directory", certdir)
errtxt[#errtxt+1], cmdline[#cmdline+1] = checkdir("request directory", requestdir)
-- Then check for the config file entries
config = config or format.parse_ini_file(fs.read_file(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
if set then
-- loop through the cmdline and execute
for x,cmd in ipairs(cmdline) do
cmd()
end
return checkenvironment()
else
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, label="Environment" })
end
end
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