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MySQL 5.1: yaSSL::Data Class Reference
yaSSL::Data

yaSSL::Data Class Reference

#include <yassl_imp.hpp>

Inheritance diagram for yaSSL::Data:

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Collaboration diagram for yaSSL::Data:

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List of all members.

Public Member Functions

 Data ()
 Data (uint16 len, opaque *b)
 Data (uint16 len, const opaque *w)
input_buffer & set (input_buffer &in)
output_buffer & get (output_buffer &out) const
ContentType get_type () const
uint16 get_length () const
const opaque * get_buffer () const
void set_length (uint16 l)
opaque * set_buffer ()
void Process (input_buffer &, SSL &)

Private Member Functions

 Data (const Data &)
Data & operator= (const Data &)

Private Attributes

uint16 length_
opaque * buffer_
const opaque * write_buffer_

Friends

output_buffer & operator<< (output_buffer &, const Data &)

Detailed Description

Definition at line 125 of file yassl_imp.hpp.

Constructor & Destructor Documentation

yaSSL::Data::Data (  ) 

Definition at line 870 of file yassl_imp.cpp.

00871     : length_(0), buffer_(0), write_buffer_(0)
00872 {}

yaSSL::Data::Data ( uint16  len,
opaque *  b 
)

Definition at line 875 of file yassl_imp.cpp.

00876     : length_(len), buffer_(b), write_buffer_(0)
00877 {}

yaSSL::Data::Data ( uint16  len,
const opaque *  w 
)

Definition at line 880 of file yassl_imp.cpp.

00881     : length_(len), buffer_(0), write_buffer_(w)
00882 {}

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

Member Function Documentation

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

Implements yaSSL::Message.

Definition at line 890 of file yassl_imp.cpp.

00891 {
00892     return out << *this;
00893 }

const opaque * yaSSL::Data::get_buffer (  )  const

Definition at line 908 of file yassl_imp.cpp.

References write_buffer_.

00909 {
00910     return write_buffer_;
00911 }

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

Implements yaSSL::Message.

Definition at line 902 of file yassl_imp.cpp.

References length_.

00903 {
00904     return length_;
00905 }

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

Implements yaSSL::Message.

Definition at line 896 of file yassl_imp.cpp.

References yaSSL::application_data.

00897 {
00898     return application_data;
00899 }

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

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

Implements yaSSL::Message.

Definition at line 934 of file yassl_imp.cpp.

References yaSSL::SSL::addData(), yaSSL::application_data, yaSSL::AUTO, yaSSL::block, yaSSL::Parameters::cipher_type_, data, yaSSL::Parameters::encrypt_size_, mySTL::fill(), yaSSL::input_buffer::get_buffer(), yaSSL::input_buffer::get_current(), yaSSL::Crypto::get_digest(), yaSSL::Digest::get_digestSize(), yaSSL::Security::get_parms(), yaSSL::SSL::get_SEQIncrement(), yaSSL::SSL::getCrypto(), yaSSL::SSL::getSecurity(), yaSSL::hmac(), yaSSL::SSL::isTLS(), memcmp(), NEW_YS, TaoCrypt::pad, yaSSL::input_buffer::read(), yaSSL::SSL::SetError(), yaSSL::SHA_LEN, yaSSL::TLS_hmac(), and yaSSL::verify_error.

00935 {
00936     int msgSz = ssl.getSecurity().get_parms().encrypt_size_;
00937     int pad   = 0, padByte = 0;
00938     if (ssl.getSecurity().get_parms().cipher_type_ == block) {
00939         pad = *(input.get_buffer() + input.get_current() + msgSz - 1);
00940         padByte = 1;
00941     }
00942     int digestSz = ssl.getCrypto().get_digest().get_digestSize();
00943     int dataSz = msgSz - digestSz - pad - padByte;   
00944     opaque verify[SHA_LEN];
00945 
00946     // read data
00947     if (dataSz) {
00948         input_buffer* data;
00949         ssl.addData(data = NEW_YS input_buffer(dataSz));
00950         input.read(data->get_buffer(), dataSz);
00951         data->add_size(dataSz);
00952 
00953         if (ssl.isTLS())
00954             TLS_hmac(ssl, verify, data->get_buffer(), dataSz, application_data,
00955                      true);
00956         else
00957             hmac(ssl, verify, data->get_buffer(), dataSz, application_data,
00958                  true);
00959     }
00960 
00961     // read mac and fill
00962     opaque mac[SHA_LEN];
00963     opaque fill;
00964     input.read(mac, digestSz);
00965     for (int i = 0; i < pad; i++) 
00966         fill = input[AUTO];
00967     if (padByte)
00968         fill = input[AUTO];    
00969 
00970     // verify
00971     if (dataSz) {
00972         if (memcmp(mac, verify, digestSz)) {
00973             ssl.SetError(verify_error);
00974             return;
00975         }
00976     }
00977     else 
00978         ssl.get_SEQIncrement(true);  // even though no data, increment verify
00979 }

Here is the call graph for this function:

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

Implements yaSSL::Message.

Definition at line 884 of file yassl_imp.cpp.

00885 {
00886     return in;
00887 }

opaque * yaSSL::Data::set_buffer (  ) 

Definition at line 919 of file yassl_imp.cpp.

References buffer_.

00920 {
00921     return buffer_;
00922 }

void yaSSL::Data::set_length ( uint16  l  ) 

Definition at line 914 of file yassl_imp.cpp.

References length_.

00915 {
00916     length_ = l;
00917 }

Friends And Related Function Documentation

output_buffer& operator<< ( output_buffer &  output,
const Data &  data 
) [friend]

Definition at line 926 of file yassl_imp.cpp.

00927 {
00928     output.write(data.write_buffer_, data.length_);
00929     return output;
00930 }

Member Data Documentation

opaque* yaSSL::Data::buffer_ [private]

Definition at line 127 of file yassl_imp.hpp.

Referenced by set_buffer().

uint16 yaSSL::Data::length_ [private]

Definition at line 126 of file yassl_imp.hpp.

Referenced by get_length(), and set_length().

const opaque* yaSSL::Data::write_buffer_ [private]

Definition at line 128 of file yassl_imp.hpp.

Referenced by get_buffer().

The documentation for this class was generated from the following files:
Generated on Sun Sep 10 00:45:37 2006 for MySQL 5.1 by  doxygen 1.4.7