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Add decode_base64_custom BiF to allow alternate base64 alphabets.

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Addresses #670
This commit is contained in:
Jon Siwek 2011-11-11 13:48:11 -06:00
parent 151664bc26
commit 5865bf3850
5 changed files with 97 additions and 14 deletions
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10
src/Base64.h
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@ -17,7 +17,8 @@ public:
// when the decoder is called by the built-in function
// decode_base64().
Base64Decoder(Analyzer* analyzer);
~Base64Decoder() { }
Base64Decoder(Analyzer* analyzer, const string& alphabet);
~Base64Decoder();
// A note on Decode():
//
@ -47,6 +48,11 @@ public:
reporter->Error("%s", msg);
}
static int* InitBase64Table(const string& alphabet);
static const string default_alphabet;
static int default_base64_table[256];
protected:
char error_msg[256];
@ -57,8 +63,10 @@ protected:
int base64_after_padding;
int errored; // if true, we encountered an error - skip further processing
Analyzer* analyzer;
int* base64_table;
};
BroString* decode_base64(const BroString* s, const BroString* a);
BroString* decode_base64(const BroString* s);
#endif /* base64_h */