// send finished
void sendFinished(SSL& ssl, ConnectionEnd side, BufferOutput buffer)
{
if (ssl.GetError()) return;
Finished fin;
buildFinished(ssl, fin, side == client_end ? client : server);
mySTL::auto_ptr<output_buffer> out(NEW_YS output_buffer);
cipherFinished(ssl, fin, *out.get()); // hashes handshake
if (ssl.getSecurity().get_resuming()) {
if (side == server_end)
buildFinished(ssl, ssl.useHashes().use_verify(), client); // client
}
else {
if (!ssl.getSecurity().GetContext()->GetSessionCacheOff())
GetSessions().add(ssl); // store session
if (side == client_end)
buildFinished(ssl, ssl.useHashes().use_verify(), server); // server
}
ssl.useSecurity().use_connection().CleanMaster();
if (buffer == buffered)
ssl.addBuffer(out.release());
else
ssl.Send(out->get_buffer(), out->get_size());
}
// send server hello
void sendServerHello(SSL& ssl, BufferOutput buffer)
{
if (ssl.getSecurity().get_resuming())
ssl.verifyState(clientKeyExchangeComplete);
else
ssl.verifyState(clientHelloComplete);
if (ssl.GetError()) return;
ServerHello sh(ssl.getSecurity().get_connection().version_,
ssl.getSecurity().get_connection().compression_);
RecordLayerHeader rlHeader;
HandShakeHeader hsHeader;
mySTL::auto_ptr<output_buffer> out(NEW_YS output_buffer);
buildServerHello(ssl, sh);
ssl.set_random(sh.get_random(), server_end);
buildHeaders(ssl, hsHeader, rlHeader, sh);
buildOutput(*out.get(), rlHeader, hsHeader, sh);
hashHandShake(ssl, *out.get());
if (buffer == buffered)
ssl.addBuffer(out.release());
else
ssl.Send(out->get_buffer(), out->get_size());
}
// send alert
int sendAlert(SSL& ssl, const Alert& alert)
{
output_buffer out;
buildAlert(ssl, out, alert);
ssl.Send(out.get_buffer(), out.get_size());
return alert.get_length();
}
// send data
int sendData(SSL& ssl, const void* buffer, int sz)
{
int sent = 0;
if (ssl.GetError() == YasslError(SSL_ERROR_WANT_READ))
ssl.SetError(no_error);
if (ssl.GetError() == YasslError(SSL_ERROR_WANT_WRITE)) {
ssl.SetError(no_error);
ssl.SendWriteBuffered();
if (!ssl.GetError()) {
// advance sent to prvevious sent + plain size just sent
sent = ssl.useBuffers().prevSent + ssl.useBuffers().plainSz;
}
}
ssl.verfiyHandShakeComplete();
if (ssl.GetError()) return -1;
for (;;) {
int len = min(sz - sent, MAX_RECORD_SIZE);
output_buffer out;
input_buffer tmp;
Data data;
if (sent == sz) break;
if (ssl.CompressionOn()) {
if (Compress(static_cast<const opaque*>(buffer) + sent, len,
tmp) == -1) {
ssl.SetError(compress_error);
return -1;
}
data.SetData(tmp.get_size(), tmp.get_buffer());
}
else
data.SetData(len, static_cast<const opaque*>(buffer) + sent);
buildMessage(ssl, out, data);
ssl.Send(out.get_buffer(), out.get_size());
if (ssl.GetError()) {
if (ssl.GetError() == YasslError(SSL_ERROR_WANT_WRITE)) {
ssl.useBuffers().plainSz = len;
ssl.useBuffers().prevSent = sent;
}
return -1;
}
sent += len;
}
ssl.useLog().ShowData(sent, true);
return sent;
}
// send certificate
void sendCertificate(SSL& ssl, BufferOutput buffer)
{
if (ssl.GetError()) return;
Certificate cert(ssl.getCrypto().get_certManager().get_cert());
RecordLayerHeader rlHeader;
HandShakeHeader hsHeader;
mySTL::auto_ptr<output_buffer> out(NEW_YS output_buffer);
buildHeaders(ssl, hsHeader, rlHeader, cert);
buildOutput(*out.get(), rlHeader, hsHeader, cert);
hashHandShake(ssl, *out.get());
if (buffer == buffered)
ssl.addBuffer(out.release());
else
ssl.Send(out->get_buffer(), out->get_size());
}
// send server hello done
void sendServerHelloDone(SSL& ssl, BufferOutput buffer)
{
if (ssl.GetError()) return;
ServerHelloDone shd;
RecordLayerHeader rlHeader;
HandShakeHeader hsHeader;
mySTL::auto_ptr<output_buffer> out(NEW_YS output_buffer);
buildHeaders(ssl, hsHeader, rlHeader, shd);
buildOutput(*out.get(), rlHeader, hsHeader, shd);
hashHandShake(ssl, *out.get());
if (buffer == buffered)
ssl.addBuffer(out.release());
else
ssl.Send(out->get_buffer(), out->get_size());
}
// send client_hello, no buffering
void sendClientHello(SSL& ssl)
{
ssl.verifyState(serverNull);
if (ssl.GetError()) return;
ClientHello ch(ssl.getSecurity().get_connection().version_,
ssl.getSecurity().get_connection().compression_);
RecordLayerHeader rlHeader;
HandShakeHeader hsHeader;
output_buffer out;
buildClientHello(ssl, ch);
ssl.set_random(ch.get_random(), client_end);
buildHeaders(ssl, hsHeader, rlHeader, ch);
buildOutput(out, rlHeader, hsHeader, ch);
hashHandShake(ssl, out);
ssl.Send(out.get_buffer(), out.get_size());
}
// send change cipher
void sendChangeCipher(SSL& ssl, BufferOutput buffer)
{
if (ssl.getSecurity().get_parms().entity_ == server_end)
if (ssl.getSecurity().get_resuming())
ssl.verifyState(clientKeyExchangeComplete);
else
ssl.verifyState(clientFinishedComplete);
if (ssl.GetError()) return;
ChangeCipherSpec ccs;
RecordLayerHeader rlHeader;
buildHeader(ssl, rlHeader, ccs);
mySTL::auto_ptr<output_buffer> out(NEW_YS output_buffer);
buildOutput(*out.get(), rlHeader, ccs);
if (buffer == buffered)
ssl.addBuffer(out.release());
else
ssl.Send(out->get_buffer(), out->get_size());
}
// send client key exchange
void sendClientKeyExchange(SSL& ssl, BufferOutput buffer)
{
ssl.verifyState(serverHelloDoneComplete);
if (ssl.GetError()) return;
ClientKeyExchange ck(ssl);
ck.build(ssl);
ssl.makeMasterSecret();
RecordLayerHeader rlHeader;
HandShakeHeader hsHeader;
mySTL::auto_ptr<output_buffer> out(NEW_YS output_buffer);
buildHeaders(ssl, hsHeader, rlHeader, ck);
buildOutput(*out.get(), rlHeader, hsHeader, ck);
hashHandShake(ssl, *out.get());
if (buffer == buffered)
ssl.addBuffer(out.release());
else
ssl.Send(out->get_buffer(), out->get_size());
}
