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/*
* Alert Message
* (C) 2004-2006,2011 Jack Lloyd
*
* Released under the terms of the Botan license
*/
#include <botan/tls_alert.h>
#include <botan/exceptn.h>
namespace Botan {
namespace TLS {
Alert::Alert(const MemoryRegion<byte>& buf)
{
if(buf.size() != 2)
throw Decoding_Error("Alert: Bad size " + to_string(buf.size()) +
" for alert message");
if(buf[0] == 1) fatal = false;
else if(buf[0] == 2) fatal = true;
else
throw Decoding_Error("Alert: Bad code for alert level");
const byte dc = buf[1];
/*
* This is allowed by the specification but is not allocated and we're
* using it internally as a special 'no alert' type.
*/
if(dc == 255)
throw Decoding_Error("Alert: description code 255, rejecting");
type_code = static_cast<Type>(dc);
}
std::string Alert::type_string() const
{
return "";
}
}
}
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