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#!/usr/bin/env python
# **********************************************************************
#
# Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
#
# This copy of Ice is licensed to you under the terms described in the
# ICE_LICENSE file included in this distribution.
#
# **********************************************************************
#
# This script converts an XML configuration file for earlier versions of
# the IceSSL plug-in to the new property format in 3.1.
#
# Usage:
#
# python convertssl.py myconfig.xml
#
# The equivalent properties are printed to standard output. If any
# compatibility issues are detected, a NOTE comment is emitted.
#
import sys, xml.dom, xml.dom.minidom
#
# Show usage information.
#
def usage():
print("Usage: " + sys.argv[0] + " xmlfile")
print("")
print("Options:")
print("-h Show this message.")
def isCygwin():
# The substring on sys.platform is required because some cygwin
# versions return variations like "cygwin_nt-4.01".
return sys.platform[:6] == "cygwin"
def isWin32():
return sys.platform == "win32" or isCygwin()
if isWin32():
sep = ";"
else:
sep = ":"
def findChild(parent, name):
for i in parent.childNodes:
if i.localName == name:
return i
return None
def printConfig(node, name, comment=""):
prefix = comment + "IceSSL."
result = "# These properties were converted from the " + name + " configuration.\n"
result = result + "#\n# NOTE: You may need to define IceSSL.DefaultDir\n"
general = findChild(node, "general")
if general:
if "version" in general.attributes:
version = general.attributes["version"].nodeValue
if version == "SSLv3":
result = result + prefix + "Protocols=SSLv3\n"
elif version == "TLSv1":
result = result + prefix + "Protocols=TLSv1\n"
elif version != "SSLv23":
print("unknown value `" + version + "' for version attribute")
sys.exit(1)
if "cipherlist" in general.attributes:
result = result + prefix + "Ciphers=" + general.attributes["cipherlist"].nodeValue + "\n"
if "verifymode" in general.attributes:
verifymode = general.attributes["verifymode"].nodeValue
if verifymode == "none":
result = result + prefix + "VerifyPeer=0\n"
elif verifymode == "peer":
result = result + prefix + "VerifyPeer=1\n"
elif verifymode.find("fail") != -1:
result = result + prefix + "VerifyPeer=2\n"
elif verifymode.find("client_once") != -1:
result = result + prefix + "VerifyPeer=2\n"
else:
print("unknown value `" + verifymode + "' for verifymode attribute")
sys.exit(1)
if "verifydepth" in general.attributes:
result = result + prefix + "VerifyDepthMax=" + general.attributes["verifydepth"].nodeValue + "\n"
if "randombytes" in general.attributes:
result = result + "# NOTE: You may need to use IceSSL.EntropyDaemon\n"
result = result + prefix + "Random=" + general.attributes["randombytes"].nodeValue + "\n"
ca = findChild(node, "certauthority")
if ca:
if "file" in ca.attributes:
result = result + prefix + "CertAuthFile=" + ca.attributes["file"].nodeValue + "\n"
if "path" in ca.attributes:
result = result + prefix + "CertAuthDir=" + ca.attributes["path"].nodeValue + "\n"
basecerts = findChild(node, "basecerts")
if basecerts:
certFile = ""
keyFile = ""
rsacert = findChild(basecerts, "rsacert")
if rsacert:
pub = findChild(rsacert, "public")
if "encoding" in pub.attributes:
if pub.attributes["encoding"].nodeValue != "PEM":
result = result + "# NOTE: Only PEM encoding is supported for certificates!\n"
if "filename" in pub.attributes:
certFile = pub.attributes["filename"].nodeValue
priv = findChild(rsacert, "private")
if "encoding" in priv.attributes:
if priv.attributes["encoding"].nodeValue != "PEM":
result = result + "# NOTE: Only PEM encoding is supported for private keys!\n"
if "filename" in priv.attributes:
keyFile = priv.attributes["filename"].nodeValue
dsacert = findChild(basecerts, "dsacert")
if dsacert:
pub = findChild(dsacert, "public")
if "encoding" in pub.attributes:
if pub.attributes["encoding"].nodeValue != "PEM":
result = result + "# NOTE: Only PEM encoding is supported for certificates!\n"
if "filename" in pub.attributes:
if len(certFile) > 0:
certFile = certFile + sep + pub.attributes["filename"].nodeValue
else:
certFile = pub.attributes["filename"].nodeValue
priv = findChild(rsacert, "private")
if "encoding" in priv.attributes:
if priv.attributes["encoding"].nodeValue != "PEM":
result = result + "# NOTE: Only PEM encoding is supported for private keys!\n"
if "filename" in priv.attributes:
if len(keyFile) > 0:
keyFile = keyFile + sep + priv.attributes["filename"].nodeValue
else:
keyFile = priv.attributes["filename"].nodeValue
if len(certFile) > 0:
result = result + prefix + "CertFile=" + certFile + "\n"
if len(keyFile) > 0:
result = result + prefix + "KeyFile=" + keyFile + "\n"
for child in basecerts.childNodes:
if child.localName == "dhparams":
keysize = child.attributes["keysize"].nodeValue
if "encoding" in child.attributes:
if child.attributes["encoding"].nodeValue != "PEM":
result = result + "# NOTE: Only PEM encoding is supported for DH parameters!\n"
filename = child.attributes["filename"].nodeValue
result = result + prefix + "DH." + keysize + "=" + filename + "\n"
return result
#
# Check arguments
#
xmlfile = None
for x in sys.argv[1:]:
if x == "-h":
usage()
sys.exit(0)
elif x.startswith("-"):
print(sys.argv[0] + ": unknown option `" + x + "'")
print("")
usage()
sys.exit(1)
else:
if xmlfile:
usage()
sys.exit(1)
xmlfile = x
if not xmlfile:
usage()
sys.exit(1)
f = open(xmlfile, 'r')
doc = xml.dom.minidom.parse(f)
f.close()
config = findChild(doc, "SSLConfig")
if not config:
print(sys.argv[0] + ": unable to find element SSLConfig")
sys.exit(1)
client = findChild(config, "client")
server = findChild(config, "server")
output = None
if client and server:
print(printConfig(client, "Client"))
print(printConfig(server, "Server", "#"))
elif client:
print(printConfig(client, "Client"))
elif server:
print(printConfig(server, "Server"))
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