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-rw-r--r--ruby_1_8_5/lib/drb/ssl.rb190
1 files changed, 190 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/drb/ssl.rb b/ruby_1_8_5/lib/drb/ssl.rb
new file mode 100644
index 0000000000..58d6b7d1e0
--- /dev/null
+++ b/ruby_1_8_5/lib/drb/ssl.rb
@@ -0,0 +1,190 @@
+require 'socket'
+require 'openssl'
+require 'drb/drb'
+require 'singleton'
+
+module DRb
+
+ class DRbSSLSocket < DRbTCPSocket
+
+ class SSLConfig
+
+ DEFAULT = {
+ :SSLCertificate => nil,
+ :SSLPrivateKey => nil,
+ :SSLClientCA => nil,
+ :SSLCACertificatePath => nil,
+ :SSLCACertificateFile => nil,
+ :SSLVerifyMode => ::OpenSSL::SSL::VERIFY_NONE,
+ :SSLVerifyDepth => nil,
+ :SSLVerifyCallback => nil, # custom verification
+ :SSLCertificateStore => nil,
+ # Must specify if you use auto generated certificate.
+ :SSLCertName => nil, # e.g. [["CN","fqdn.example.com"]]
+ :SSLCertComment => "Generated by Ruby/OpenSSL"
+ }
+
+ def initialize(config)
+ @config = config
+ @cert = config[:SSLCertificate]
+ @pkey = config[:SSLPrivateKey]
+ @ssl_ctx = nil
+ end
+
+ def [](key);
+ @config[key] || DEFAULT[key]
+ end
+
+ def connect(tcp)
+ ssl = ::OpenSSL::SSL::SSLSocket.new(tcp, @ssl_ctx)
+ ssl.sync = true
+ ssl.connect
+ ssl
+ end
+
+ def accept(tcp)
+ ssl = OpenSSL::SSL::SSLSocket.new(tcp, @ssl_ctx)
+ ssl.sync = true
+ ssl.accept
+ ssl
+ end
+
+ def setup_certificate
+ if @cert && @pkey
+ return
+ end
+
+ rsa = OpenSSL::PKey::RSA.new(512){|p, n|
+ next unless self[:verbose]
+ case p
+ when 0; $stderr.putc "." # BN_generate_prime
+ when 1; $stderr.putc "+" # BN_generate_prime
+ when 2; $stderr.putc "*" # searching good prime,
+ # n = #of try,
+ # but also data from BN_generate_prime
+ when 3; $stderr.putc "\n" # found good prime, n==0 - p, n==1 - q,
+ # but also data from BN_generate_prime
+ else; $stderr.putc "*" # BN_generate_prime
+ end
+ }
+
+ cert = OpenSSL::X509::Certificate.new
+ cert.version = 3
+ cert.serial = 0
+ name = OpenSSL::X509::Name.new(self[:SSLCertName])
+ cert.subject = name
+ cert.issuer = name
+ cert.not_before = Time.now
+ cert.not_after = Time.now + (365*24*60*60)
+ cert.public_key = rsa.public_key
+
+ ef = OpenSSL::X509::ExtensionFactory.new(nil,cert)
+ cert.extensions = [
+ ef.create_extension("basicConstraints","CA:FALSE"),
+ ef.create_extension("subjectKeyIdentifier", "hash") ]
+ ef.issuer_certificate = cert
+ cert.add_extension(ef.create_extension("authorityKeyIdentifier",
+ "keyid:always,issuer:always"))
+ if comment = self[:SSLCertComment]
+ cert.add_extension(ef.create_extension("nsComment", comment))
+ end
+ cert.sign(rsa, OpenSSL::Digest::SHA1.new)
+
+ @cert = cert
+ @pkey = rsa
+ end
+
+ def setup_ssl_context
+ ctx = ::OpenSSL::SSL::SSLContext.new
+ ctx.cert = @cert
+ ctx.key = @pkey
+ ctx.client_ca = self[:SSLClientCA]
+ ctx.ca_path = self[:SSLCACertificatePath]
+ ctx.ca_file = self[:SSLCACertificateFile]
+ ctx.verify_mode = self[:SSLVerifyMode]
+ ctx.verify_depth = self[:SSLVerifyDepth]
+ ctx.verify_callback = self[:SSLVerifyCallback]
+ ctx.cert_store = self[:SSLCertificateStore]
+ @ssl_ctx = ctx
+ end
+ end
+
+ def self.parse_uri(uri)
+ if uri =~ /^drbssl:\/\/(.*?):(\d+)(\?(.*))?$/
+ host = $1
+ port = $2.to_i
+ option = $4
+ [host, port, option]
+ else
+ raise(DRbBadScheme, uri) unless uri =~ /^drbssl:/
+ raise(DRbBadURI, 'can\'t parse uri:' + uri)
+ end
+ end
+
+ def self.open(uri, config)
+ host, port, option = parse_uri(uri)
+ host.untaint
+ port.untaint
+ soc = TCPSocket.open(host, port)
+ ssl_conf = SSLConfig::new(config)
+ ssl_conf.setup_ssl_context
+ ssl = ssl_conf.connect(soc)
+ self.new(uri, ssl, ssl_conf, true)
+ end
+
+ def self.open_server(uri, config)
+ uri = 'drbssl://:0' unless uri
+ host, port, opt = parse_uri(uri)
+ if host.size == 0
+ host = getservername
+ soc = open_server_inaddr_any(host, port)
+ else
+ soc = TCPServer.open(host, port)
+ end
+ port = soc.addr[1] if port == 0
+ @uri = "drbssl://#{host}:#{port}"
+
+ ssl_conf = SSLConfig.new(config)
+ ssl_conf.setup_certificate
+ ssl_conf.setup_ssl_context
+ self.new(@uri, soc, ssl_conf, false)
+ end
+
+ def self.uri_option(uri, config)
+ host, port, option = parse_uri(uri)
+ return "drbssl://#{host}:#{port}", option
+ end
+
+ def initialize(uri, soc, config, is_established)
+ @ssl = is_established ? soc : nil
+ super(uri, soc.to_io, config)
+ end
+
+ def stream; @ssl; end
+
+ def close
+ if @ssl
+ @ssl.close
+ @ssl = nil
+ end
+ super
+ end
+
+ def accept
+ begin
+ while true
+ soc = @socket.accept
+ break if (@acl ? @acl.allow_socket?(soc) : true)
+ soc.close
+ end
+ ssl = @config.accept(soc)
+ self.class.new(uri, ssl, @config, true)
+ rescue OpenSSL::SSL::SSLError
+ warn("#{__FILE__}:#{__LINE__}: warning: #{$!.message} (#{$!.class})") if @config[:verbose]
+ retry
+ end
+ end
+ end
+
+ DRbProtocol.add_protocol(DRbSSLSocket)
+end