metasploit-framework/lib/rex/socket/ssl_tcp_server.rb

93 lines
2.2 KiB
Ruby
Raw Normal View History

require 'rex/socket'
require 'rex/socket/tcp_server'
require 'rex/io/stream_server'
require 'openssl'
###
#
# This class provides methods for interacting with an SSL wrapped TCP server. It
# implements the StreamServer IO interface.
#
###
module Rex::Socket::SslTcpServer
include Rex::Socket::TcpServer
##
#
# Factory
#
##
def initsock(params = nil)
self.sslctx = makessl()
super
end
def accept(opts = {})
sock = super()
if (sock)
sock.extend(Rex::Socket::Tcp)
sock.context = self.context
pn = sock.getpeername
sock.peerhost = pn[1]
sock.peerport = pn[2]
end
t = OpenSSL::SSL::SSLSocket.new(sock, self.sslctx)
t.extend(Rex::Socket::Tcp)
t.accept
t
end
def makessl
key = OpenSSL::PKey::RSA.new(512){ }
cert = OpenSSL::X509::Certificate.new
cert.version = 2
cert.serial = rand(0xFFFFFFFF)
# name = OpenSSL::X509::Name.new([["C","JP"],["O","TEST"],["CN","localhost"]])
subject = OpenSSL::X509::Name.new([
["C","US"],
['ST', Rex::Text.rand_state()],
["L", Rex::Text.rand_text_alpha(rand(20) + 10)],
["O", Rex::Text.rand_text_alpha(rand(20) + 10)],
["CN", Rex::Text.rand_hostname],
])
issuer = OpenSSL::X509::Name.new([
["C","US"],
['ST', Rex::Text.rand_state()],
["L", Rex::Text.rand_text_alpha(rand(20) + 10)],
["O", Rex::Text.rand_text_alpha(rand(20) + 10)],
["CN", Rex::Text.rand_hostname],
])
cert.subject = subject
cert.issuer = issuer
cert.not_before = Time.now
cert.not_after = Time.now + 3600
cert.public_key = key.public_key
ef = OpenSSL::X509::ExtensionFactory.new(nil,cert)
cert.extensions = [
ef.create_extension("basicConstraints","CA:FALSE"),
ef.create_extension("subjectKeyIdentifier","hash"),
ef.create_extension("extendedKeyUsage","serverAuth"),
ef.create_extension("keyUsage","keyEncipherment,dataEncipherment,digitalSignature")
]
ef.issuer_certificate = cert
cert.add_extension ef.create_extension("authorityKeyIdentifier", "keyid:always,issuer:always")
cert.sign(key, OpenSSL::Digest::SHA1.new)
ctx = OpenSSL::SSL::SSLContext.new()
ctx.key = key
ctx.cert = cert
ctx.session_id_context = OpenSSL::Digest::MD5.hexdigest($0)
return ctx
end
attr_accessor :sslctx
end