Module: ProcessWanker::NetUtil

Defined in:
lib/net/net_util.rb

Constant Summary collapse

DEFAULT_PORT = 
45231

Class Method Summary collapse

Class Method Details

.generate_ca(prefix, passphrase = nil) ⇒ Object

generate_ca

create a new CA certificate and private key



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# File 'lib/net/net_util.rb', line 44

def generate_ca(prefix,passphrase=nil)

	outdir=File.expand_path(File.dirname("#{prefix}a.b"))
	FileUtils.mkdir_p(outdir)

	#
	# write key file
	#
	
	puts "generating CA key..."
	key = OpenSSL::PKey::RSA.new(2048)
	cipher = OpenSSL::Cipher::Cipher.new('AES-128-CBC')
	exp = passphrase ? key.export(cipher,passphrase) : key.export
	puts "saving CA key..."
	File.open(make_filename(prefix,:key),"w") do |f|
		f.write(exp)
	end
	
	#
	# generate certificate
	#
	
	puts "generating CA cert..."
	ca_name = OpenSSL::X509::Name.parse('CN=ca')
	ca_cert = OpenSSL::X509::Certificate.new
	ca_cert.serial = 0
	ca_cert.version = 2
	ca_cert.not_before = Time.at(0)
	ca_cert.not_after = Time.at(0x7fffffff)
	ca_cert.public_key = key.public_key
	ca_cert.subject = ca_name
	ca_cert.issuer = ca_name

	extension_factory = OpenSSL::X509::ExtensionFactory.new
	extension_factory.subject_certificate = ca_cert
	extension_factory.issuer_certificate = ca_cert

	extension_factory.create_extension 'subjectKeyIdentifier', 'hash'
	extension_factory.create_extension 'basicConstraints', 'CA:TRUE', true
	extension_factory.create_extension 'keyUsage', 'cRLSign,keyCertSign', true

	puts "signing CA cert..."
	ca_cert.sign(key, OpenSSL::Digest::SHA1.new)

	puts "saving CA cert..."
	File.open(make_filename(prefix,:cert),"w") do |f|
		f.write(ca_cert.to_pem)
	end			
	
	puts "wrote #{make_filename(prefix,:key)} and #{make_filename(prefix,:cert)}"
	
end

.generate_cert(ca_prefix, cert_prefix, name, passphrase = nil) ⇒ Object 



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# File 'lib/net/net_util.rb', line 105

def generate_cert(ca_prefix,cert_prefix,name,passphrase=nil)
	
	outdir=File.expand_path(File.dirname("#{cert_prefix}a.b"))
	FileUtils.mkdir_p(outdir)
	
	#
	# load ca key and cert
	#
	
	puts "loading CA key and cert..."
	ca_key=OpenSSL::PKey::RSA.new( File.read(make_filename(ca_prefix,:key)) )
	ca_cert=OpenSSL::X509::Certificate.new( File.read(make_filename(ca_prefix,:cert)) )
	
	#
	# write key file
	#
	
	puts "generating key for #{name}..."
	key = OpenSSL::PKey::RSA.new(2048)
	cipher = OpenSSL::Cipher::Cipher.new('AES-128-CBC')
	exp = passphrase ? key.export(cipher,passphrase) : key.export
	puts "saving key for #{name}..."
	File.open(make_filename(cert_prefix,:key),"w") do |f|
		f.write(exp)
	end
	
	#
	# generate CSR
	#
	
	puts "generating CSR for #{name}..."
	csr = OpenSSL::X509::Request.new
	csr.version = 0
	csr.subject = OpenSSL::X509::Name.parse("CN=#{name}")
	csr.public_key = key.public_key
	csr.sign(key,OpenSSL::Digest::SHA1.new)
	
	#
	# create certificate
	#
	
	puts "creating cert for #{name}..."
	csr_cert = OpenSSL::X509::Certificate.new
	csr_cert.serial = 0
	csr_cert.version = 2
	csr_cert.not_before = Time.at(0)
	csr_cert.not_after = Time.at(0x7fffffff)

	csr_cert.subject = csr.subject
	csr_cert.public_key = csr.public_key
	csr_cert.issuer = ca_cert.subject

	extension_factory = OpenSSL::X509::ExtensionFactory.new
	extension_factory.subject_certificate = csr_cert
	extension_factory.issuer_certificate = ca_cert

	extension_factory.create_extension 'basicConstraints', 'CA:FALSE'
	extension_factory.create_extension 'keyUsage','keyEncipherment,dataEncipherment,digitalSignature'
	extension_factory.create_extension 'subjectKeyIdentifier', 'hash'

	puts "signing cert for #{name}..."
	csr_cert.sign(ca_key,OpenSSL::Digest::SHA1.new)
	
	#
	# save it
	#
	
	puts "saving cert for #{name}..."
	File.open(make_filename(cert_prefix,:cert),"w") do |f|
		f.write(csr_cert.to_pem)
	end			
	
	puts "wrote #{make_filename(cert_prefix,:key)} and #{make_filename(cert_prefix,:cert)}"
	
end

.make_filename(prefix, type) ⇒ Object 



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# File 'lib/net/net_util.rb', line 30

def make_filename(prefix,type)
	ext={ :key => "key", :cert => "crt" }[type]
	"#{prefix}.#{ext}"
end

.post_fork ⇒ Object 



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# File 'lib/net/net_util.rb', line 188

def post_fork()

	if(NetServer.instance())
		NetServer.instance().post_fork()
	end		

end