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-rw-r--r--ext/openssl/lib/openssl/x509.rb89
1 files changed, 86 insertions, 3 deletions
diff --git a/ext/openssl/lib/openssl/x509.rb b/ext/openssl/lib/openssl/x509.rb
index 6dd4698..e711bda 100644
--- a/ext/openssl/lib/openssl/x509.rb
+++ b/ext/openssl/lib/openssl/x509.rb
@@ -62,9 +62,92 @@ module OpenSSL
end
class Name
- def self.parse(str, template=OBJECT_TYPE_TEMPLATE)
- ary = str.scan(/\s*([^\/,]+)\s*/).collect{|i| i[0].split("=", 2) }
- self.new(ary, template)
+ 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){|hex| Integer("0x#{hex}").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)
+ matched = md.to_s
+ 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
+ def parse_rfc2253(str, template=OBJECT_TYPE_TEMPLATE)
+ ary = OpenSSL::X509::Name::RFC2253DN.scan(str)
+ self.new(ary, template)
+ end
+
+ def parse_openssl(str, template=OBJECT_TYPE_TEMPLATE)
+ ary = str.scan(/\s*([^\/,]+)\s*/).collect{|i| i[0].split("=", 2) }
+ self.new(ary, template)
+ end
+
+ alias parse parse_openssl
end
end
end