fix #847
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6b92497d4f
commit
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@ -5,7 +5,7 @@
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from __future__ import absolute_import, division, print_function
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from __future__ import absolute_import, division, print_function
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from construct import (Array, Bytes, Struct, UBInt16, UBInt32, UBInt8, PascalString, Embed, TunnelAdapter, GreedyRange,
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from construct import (Array, Bytes, Struct, UBInt16, UBInt32, UBInt8, PascalString, Embed, TunnelAdapter, GreedyRange,
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Switch, OptionalGreedyRange)
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Switch, OptionalGreedyRange, Optional)
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from .utils import UBInt24
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from .utils import UBInt24
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@ -112,7 +112,7 @@ Extension = Struct(
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)
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)
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extensions = TunnelAdapter(
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extensions = TunnelAdapter(
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PascalString("extensions", length_field=UBInt16("extensions_length")),
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Optional(PascalString("extensions", length_field=UBInt16("extensions_length"))),
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OptionalGreedyRange(Extension)
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OptionalGreedyRange(Extension)
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)
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)
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@ -318,7 +318,7 @@ class TlsLayer(Layer):
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client_hello = ClientHello.parse(raw_client_hello)
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client_hello = ClientHello.parse(raw_client_hello)
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except ConstructError as e:
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except ConstructError as e:
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self.log("Cannot parse Client Hello: %s" % repr(e), "error")
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self.log("Cannot parse Client Hello: %s" % repr(e), "error")
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self.log("Raw Client Hello:\r\n:%s" % raw_client_hello.encode("hex"), "debug")
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self.log("Raw Client Hello: %s" % raw_client_hello.encode("hex"), "debug")
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return
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return
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self.client_ciphers = client_hello.cipher_suites.cipher_suites
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self.client_ciphers = client_hello.cipher_suites.cipher_suites
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