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64 lines
2.8 KiB
64 lines
2.8 KiB
12 years ago
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# Copyright 2012 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import base64
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import os
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import subprocess
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def ReadFileAndSignature(filename):
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with open(filename, "rb") as f:
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file_contents = base64.b64encode(f.read())
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signature_file = filename + ".signature"
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if (not os.path.exists(signature_file) or
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os.path.getmtime(signature_file) < os.path.getmtime(filename)):
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private_key = "~/.ssh/v8_dtest"
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code = subprocess.call("openssl dgst -out %s -sign %s %s" %
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(signature_file, private_key, filename),
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shell=True)
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if code != 0: return [None, code]
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with open(signature_file) as f:
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signature = base64.b64encode(f.read())
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return [file_contents, signature]
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def VerifySignature(filename, file_contents, signature, pubkeyfile):
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with open(filename, "wb") as f:
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f.write(base64.b64decode(file_contents))
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signature_file = filename + ".foreign_signature"
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with open(signature_file, "wb") as f:
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f.write(base64.b64decode(signature))
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code = subprocess.call("openssl dgst -verify %s -signature %s %s" %
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(pubkeyfile, signature_file, filename),
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shell=True)
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matched = (code == 0)
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if not matched:
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os.remove(signature_file)
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os.remove(filename)
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return matched
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