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MySQL 5.1: yaSSL::Alert Class Reference

yaSSL::Alert

yaSSL::Alert Class Reference

#include <yassl_imp.hpp>

Inheritance diagram for yaSSL::Alert:

[legend]Collaboration diagram for yaSSL::Alert:

[legend]List of all members.


Public Member Functions
	Alert ()
	Alert (AlertLevel al, AlertDescription ad)
ContentType	get_type () const
uint16	get_length () const
void	Process (input_buffer &, SSL &)
input_buffer &	set (input_buffer &in)
output_buffer &	get (output_buffer &out) const
Private Member Functions
	Alert (const Alert &)
Alert &	operator= (const Alert &)
Private Attributes
AlertLevel	level_
AlertDescription	description_
Friends
input_buffer &	operator>> (input_buffer &, Alert &)
output_buffer &	operator<< (output_buffer &, const Alert &)

Detailed Description

Definition at line 103 of file yassl_imp.hpp.

Constructor & Destructor Documentation

yaSSL::Alert::Alert ( ) [inline]

Definition at line 107 of file yassl_imp.hpp.

00107 {}

yaSSL::Alert::Alert	(	AlertLevel	al,
		AlertDescription	ad
	)

Definition at line 784 of file yassl_imp.cpp.

00785     : level_(al), description_(ad)
00786 {}

yaSSL::Alert::Alert ( const Alert & ) [private]

Member Function Documentation

output_buffer & yaSSL::Alert::get ( output_buffer & out ) const [virtual]

Implements yaSSL::Message.

Definition at line 807 of file yassl_imp.cpp.

00808 {
00809     return out << *this;
00810 }

uint16 yaSSL::Alert::get_length ( ) const [virtual]

Implements yaSSL::Message.

Definition at line 795 of file yassl_imp.cpp.

References yaSSL::SIZEOF_ENUM.

Referenced by Process().

00796 {
00797     return SIZEOF_ENUM * 2;
00798 }

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ContentType yaSSL::Alert::get_type ( ) const [virtual]

Implements yaSSL::Message.

Definition at line 789 of file yassl_imp.cpp.

References yaSSL::alert.

00790 {
00791     return alert;
00792 }

Alert& yaSSL::Alert::operator= ( const Alert & ) [private]

void yaSSL::Alert::Process	(	input_buffer &	,
		SSL &
	)			`[virtual]`

Implements yaSSL::Message.

Definition at line 833 of file yassl_imp.cpp.

References yaSSL::alert, yaSSL::AUTO, data, description_, yaSSL::Parameters::encrypt_size_, yaSSL::fatal, mySTL::fill(), yaSSL::input_buffer::get_buffer(), yaSSL::input_buffer::get_current(), yaSSL::Crypto::get_digest(), yaSSL::Digest::get_digestSize(), get_length(), yaSSL::Security::get_parms(), yaSSL::SSL::getCrypto(), yaSSL::SSL::getSecurity(), yaSSL::handShakeNotReady, yaSSL::hmac(), yaSSL::SSL::isTLS(), level_, memcmp(), yaSSL::Parameters::pending_, yaSSL::input_buffer::read(), yaSSL::recordNotReady, yaSSL::SSL::SetError(), yaSSL::SHA_LEN, yaSSL::TLS_hmac(), yaSSL::States::useHandShake(), yaSSL::States::useRecord(), yaSSL::SSL::useStates(), and yaSSL::verify_error.

00834 {
00835     if (ssl.getSecurity().get_parms().pending_ == false)  { // encrypted alert
00836         int            aSz = get_length();  // alert size already read on input
00837         opaque         verify[SHA_LEN];
00838         const  opaque* data = input.get_buffer() + input.get_current() - aSz;
00839 
00840         if (ssl.isTLS())
00841             TLS_hmac(ssl, verify, data, aSz, alert, true);
00842         else
00843             hmac(ssl, verify, data, aSz, alert, true);
00844 
00845         // read mac and fill
00846         int    digestSz = ssl.getCrypto().get_digest().get_digestSize();
00847         opaque mac[SHA_LEN];
00848         input.read(mac, digestSz);
00849 
00850         opaque fill;
00851         int    padSz = ssl.getSecurity().get_parms().encrypt_size_ - aSz -
00852                        digestSz;
00853         for (int i = 0; i < padSz; i++) 
00854             fill = input[AUTO];
00855 
00856         // verify
00857         if (memcmp(mac, verify, digestSz)) {
00858             ssl.SetError(verify_error);
00859             return;
00860         }
00861     }
00862     if (level_ == fatal) {
00863         ssl.useStates().useRecord()    = recordNotReady;
00864         ssl.useStates().useHandShake() = handShakeNotReady;
00865         ssl.SetError(YasslError(description_));
00866     }
00867 }

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input_buffer & yaSSL::Alert::set ( input_buffer & in ) [virtual]

Implements yaSSL::Message.

Definition at line 801 of file yassl_imp.cpp.

00802 {
00803     return in >> *this;
00804 }

Friends And Related Function Documentation

output_buffer& operator<<	(	output_buffer &	output,
		const Alert &	a
	)			`[friend]`

Definition at line 824 of file yassl_imp.cpp.

00825 {
00826     output[AUTO] = a.level_;
00827     output[AUTO] = a.description_;
00828     return output;
00829 }

input_buffer& operator>>	(	input_buffer &	input,
		Alert &	a
	)			`[friend]`

Definition at line 814 of file yassl_imp.cpp.

00815 {
00816     a.level_ = AlertLevel(input[AUTO]);
00817     a.description_ = AlertDescription(input[AUTO]);
00818  
00819     return input;
00820 }