AlkantarClanX12
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# frozen_string_literal: true
#--
# = Ruby-space definitions that completes C-space funcs for X509 and subclasses
#
# = Info
# 'OpenSSL for Ruby 2' project
# Copyright (C) 2002 Michal Rokos <m.rokos@sh.cvut.cz>
# All rights reserved.
#
# = Licence
# This program is licensed under the same licence as Ruby.
# (See the file 'LICENCE'.)
#++
require_relative 'marshal'
module OpenSSL
module X509
class ExtensionFactory
def create_extension(*arg)
if arg.size > 1
create_ext(*arg)
else
send("create_ext_from_"+arg[0].class.name.downcase, arg[0])
end
end
def create_ext_from_array(ary)
raise ExtensionError, "unexpected array form" if ary.size > 3
create_ext(ary[0], ary[1], ary[2])
end
def create_ext_from_string(str) # "oid = critical, value"
oid, value = str.split(/=/, 2)
oid.strip!
value.strip!
create_ext(oid, value)
end
def create_ext_from_hash(hash)
create_ext(hash["oid"], hash["value"], hash["critical"])
end
end
class Extension
include OpenSSL::Marshal
def ==(other)
return false unless Extension === other
to_der == other.to_der
end
def to_s # "oid = critical, value"
str = self.oid
str << " = "
str << "critical, " if self.critical?
str << self.value.gsub(/\n/, ", ")
end
def to_h # {"oid"=>sn|ln, "value"=>value, "critical"=>true|false}
{"oid"=>self.oid,"value"=>self.value,"critical"=>self.critical?}
end
def to_a
[ self.oid, self.value, self.critical? ]
end
module Helpers
def find_extension(oid)
extensions.find { |e| e.oid == oid }
end
end
module SubjectKeyIdentifier
include Helpers
# Get the subject's key identifier from the subjectKeyIdentifier
# exteension, as described in RFC5280 Section 4.2.1.2.
#
# Returns the binary String key identifier or nil or raises
# ASN1::ASN1Error.
def subject_key_identifier
ext = find_extension("subjectKeyIdentifier")
return nil if ext.nil?
ski_asn1 = ASN1.decode(ext.value_der)
if ext.critical? || ski_asn1.tag_class != :UNIVERSAL || ski_asn1.tag != ASN1::OCTET_STRING
raise ASN1::ASN1Error, "invalid extension"
end
ski_asn1.value
end
end
module AuthorityKeyIdentifier
include Helpers
# Get the issuing certificate's key identifier from the
# authorityKeyIdentifier extension, as described in RFC5280
# Section 4.2.1.1
#
# Returns the binary String keyIdentifier or nil or raises
# ASN1::ASN1Error.
def authority_key_identifier
ext = find_extension("authorityKeyIdentifier")
return nil if ext.nil?
aki_asn1 = ASN1.decode(ext.value_der)
if ext.critical? || aki_asn1.tag_class != :UNIVERSAL || aki_asn1.tag != ASN1::SEQUENCE
raise ASN1::ASN1Error, "invalid extension"
end
key_id = aki_asn1.value.find do |v|
v.tag_class == :CONTEXT_SPECIFIC && v.tag == 0
end
key_id.nil? ? nil : key_id.value
end
end
module CRLDistributionPoints
include Helpers
# Get the distributionPoint fullName URI from the certificate's CRL
# distribution points extension, as described in RFC5280 Section
# 4.2.1.13
#
# Returns an array of strings or nil or raises ASN1::ASN1Error.
def crl_uris
ext = find_extension("crlDistributionPoints")
return nil if ext.nil?
cdp_asn1 = ASN1.decode(ext.value_der)
if cdp_asn1.tag_class != :UNIVERSAL || cdp_asn1.tag != ASN1::SEQUENCE
raise ASN1::ASN1Error, "invalid extension"
end
crl_uris = cdp_asn1.map do |crl_distribution_point|
distribution_point = crl_distribution_point.value.find do |v|
v.tag_class == :CONTEXT_SPECIFIC && v.tag == 0
end
full_name = distribution_point&.value&.find do |v|
v.tag_class == :CONTEXT_SPECIFIC && v.tag == 0
end
full_name&.value&.find do |v|
v.tag_class == :CONTEXT_SPECIFIC && v.tag == 6 # uniformResourceIdentifier
end
end
crl_uris&.map(&:value)
end
end
module AuthorityInfoAccess
include Helpers
# Get the information and services for the issuer from the certificate's
# authority information access extension exteension, as described in RFC5280
# Section 4.2.2.1.
#
# Returns an array of strings or nil or raises ASN1::ASN1Error.
def ca_issuer_uris
aia_asn1 = parse_aia_asn1
return nil if aia_asn1.nil?
ca_issuer = aia_asn1.value.select do |authority_info_access|
authority_info_access.value.first.value == "caIssuers"
end
ca_issuer&.map(&:value)&.map(&:last)&.map(&:value)
end
# Get the URIs for OCSP from the certificate's authority information access
# extension exteension, as described in RFC5280 Section 4.2.2.1.
#
# Returns an array of strings or nil or raises ASN1::ASN1Error.
def ocsp_uris
aia_asn1 = parse_aia_asn1
return nil if aia_asn1.nil?
ocsp = aia_asn1.value.select do |authority_info_access|
authority_info_access.value.first.value == "OCSP"
end
ocsp&.map(&:value)&.map(&:last)&.map(&:value)
end
private
def parse_aia_asn1
ext = find_extension("authorityInfoAccess")
return nil if ext.nil?
aia_asn1 = ASN1.decode(ext.value_der)
if ext.critical? || aia_asn1.tag_class != :UNIVERSAL || aia_asn1.tag != ASN1::SEQUENCE
raise ASN1::ASN1Error, "invalid extension"
end
aia_asn1
end
end
end
class Name
include OpenSSL::Marshal
module RFC2253DN
Special = ',=+<>#;'
HexChar = /[0-9a-fA-F]/
HexPair = /#{HexChar}#{HexChar}/
HexString = /#{HexPair}+/
Pair = /\\(?:[#{Special}]|\\|"|#{HexPair})/
StringChar = /[^\\"#{Special}]/
QuoteChar = /[^\\"]/
AttributeType = /[a-zA-Z][0-9a-zA-Z]*|[0-9]+(?:\.[0-9]+)*/
AttributeValue = /
(?!["#])((?:#{StringChar}|#{Pair})*)|
\#(#{HexString})|
"((?:#{QuoteChar}|#{Pair})*)"
/x
TypeAndValue = /\A(#{AttributeType})=#{AttributeValue}/
module_function
def expand_pair(str)
return nil unless str
return str.gsub(Pair){
pair = $&
case pair.size
when 2 then pair[1,1]
when 3 then Integer("0x#{pair[1,2]}").chr
else raise OpenSSL::X509::NameError, "invalid pair: #{str}"
end
}
end
def expand_hexstring(str)
return nil unless str
der = str.gsub(HexPair){$&.to_i(16).chr }
a1 = OpenSSL::ASN1.decode(der)
return a1.value, a1.tag
end
def expand_value(str1, str2, str3)
value = expand_pair(str1)
value, tag = expand_hexstring(str2) unless value
value = expand_pair(str3) unless value
return value, tag
end
def scan(dn)
str = dn
ary = []
while true
if md = TypeAndValue.match(str)
remain = md.post_match
type = md[1]
value, tag = expand_value(md[2], md[3], md[4]) rescue nil
if value
type_and_value = [type, value]
type_and_value.push(tag) if tag
ary.unshift(type_and_value)
if remain.length > 2 && remain[0] == ?,
str = remain[1..-1]
next
elsif remain.length > 2 && remain[0] == ?+
raise OpenSSL::X509::NameError,
"multi-valued RDN is not supported: #{dn}"
elsif remain.empty?
break
end
end
end
msg_dn = dn[0, dn.length - str.length] + " =>" + str
raise OpenSSL::X509::NameError, "malformed RDN: #{msg_dn}"
end
return ary
end
end
class << self
# Parses the UTF-8 string representation of a distinguished name,
# according to RFC 2253.
#
# See also #to_utf8 for the opposite operation.
def parse_rfc2253(str, template=OBJECT_TYPE_TEMPLATE)
ary = OpenSSL::X509::Name::RFC2253DN.scan(str)
self.new(ary, template)
end
# Parses the string representation of a distinguished name. Two
# different forms are supported:
#
# - \OpenSSL format (<tt>X509_NAME_oneline()</tt>) used by
# <tt>#to_s</tt>. For example: <tt>/DC=com/DC=example/CN=nobody</tt>
# - \OpenSSL format (<tt>X509_NAME_print()</tt>)
# used by <tt>#to_s(OpenSSL::X509::Name::COMPAT)</tt>. For example:
# <tt>DC=com, DC=example, CN=nobody</tt>
#
# Neither of them is standardized and has quirks and inconsistencies
# in handling of escaped characters or multi-valued RDNs.
#
# Use of this method is discouraged in new applications. See
# Name.parse_rfc2253 and #to_utf8 for the alternative.
def parse_openssl(str, template=OBJECT_TYPE_TEMPLATE)
if str.start_with?("/")
# /A=B/C=D format
ary = str[1..-1].split("/").map { |i| i.split("=", 2) }
else
# Comma-separated
ary = str.split(",").map { |i| i.strip.split("=", 2) }
end
self.new(ary, template)
end
alias parse parse_openssl
end
def pretty_print(q)
q.object_group(self) {
q.text ' '
q.text to_s(OpenSSL::X509::Name::RFC2253)
}
end
end
class Attribute
include OpenSSL::Marshal
def ==(other)
return false unless Attribute === other
to_der == other.to_der
end
end
class StoreContext
def cleanup
warn "(#{caller.first}) OpenSSL::X509::StoreContext#cleanup is deprecated with no replacement" if $VERBOSE
end
end
class Certificate
include OpenSSL::Marshal
include Extension::SubjectKeyIdentifier
include Extension::AuthorityKeyIdentifier
include Extension::CRLDistributionPoints
include Extension::AuthorityInfoAccess
def pretty_print(q)
q.object_group(self) {
q.breakable
q.text 'subject='; q.pp self.subject; q.text ','; q.breakable
q.text 'issuer='; q.pp self.issuer; q.text ','; q.breakable
q.text 'serial='; q.pp self.serial; q.text ','; q.breakable
q.text 'not_before='; q.pp self.not_before; q.text ','; q.breakable
q.text 'not_after='; q.pp self.not_after
}
end
def self.load_file(path)
load(File.binread(path))
end
end
class CRL
include OpenSSL::Marshal
include Extension::AuthorityKeyIdentifier
def ==(other)
return false unless CRL === other
to_der == other.to_der
end
end
class Revoked
def ==(other)
return false unless Revoked === other
to_der == other.to_der
end
end
class Request
include OpenSSL::Marshal
def ==(other)
return false unless Request === other
to_der == other.to_der
end
end
end
end