diff options
Diffstat (limited to 'NetworkPkg/HttpDxe/HttpProto.c')
| -rw-r--r-- | NetworkPkg/HttpDxe/HttpProto.c | 451 |
1 files changed, 341 insertions, 110 deletions
diff --git a/NetworkPkg/HttpDxe/HttpProto.c b/NetworkPkg/HttpDxe/HttpProto.c index 6373f07215..36c61e2e99 100644 --- a/NetworkPkg/HttpDxe/HttpProto.c +++ b/NetworkPkg/HttpDxe/HttpProto.c @@ -927,7 +927,8 @@ HttpCleanProtocol ( HttpInstance->Handle
);
}
-
+
+ TlsCloseTxRxEvent (HttpInstance);
}
/**
@@ -1185,7 +1186,8 @@ HttpConfigureTcp6 ( }
/**
- Check existing TCP connection, if in error state, recover TCP4 connection.
+ Check existing TCP connection, if in error state, recover TCP4 connection. Then,
+ connect one TLS session if required.
@param[in] HttpInstance The HTTP instance private data.
@@ -1226,11 +1228,58 @@ HttpConnectTcp4 ( HttpCloseConnection(HttpInstance);
}
- return HttpCreateConnection (HttpInstance);
+ Status = HttpCreateConnection (HttpInstance);
+ if (EFI_ERROR(Status)){
+ DEBUG ((EFI_D_ERROR, "Tcp4 Connection fail - %x\n", Status));
+ return Status;
+ }
+
+ //
+ // Tls session connection.
+ //
+ if (HttpInstance->UseHttps) {
+ if (HttpInstance->TimeoutEvent == NULL) {
+ //
+ // Create TimeoutEvent for TLS connection.
+ //
+ Status = gBS->CreateEvent (
+ EVT_TIMER,
+ TPL_CALLBACK,
+ NULL,
+ NULL,
+ &HttpInstance->TimeoutEvent
+ );
+ if (EFI_ERROR (Status)) {
+ TlsCloseTxRxEvent (HttpInstance);
+ return Status;
+ }
+ }
+
+ //
+ // Start the timer, and wait Timeout seconds for connection.
+ //
+ Status = gBS->SetTimer (HttpInstance->TimeoutEvent, TimerRelative, HTTP_CONNECTION_TIMEOUT * TICKS_PER_SECOND);
+ if (EFI_ERROR (Status)) {
+ TlsCloseTxRxEvent (HttpInstance);
+ return Status;
+ }
+
+ Status = TlsConnectSession (HttpInstance, HttpInstance->TimeoutEvent);
+
+ gBS->SetTimer (HttpInstance->TimeoutEvent, TimerCancel, 0);
+
+ if (EFI_ERROR (Status)) {
+ TlsCloseTxRxEvent (HttpInstance);
+ return Status;
+ }
+ }
+
+ return Status;
}
/**
- Check existing TCP connection, if in error state, recover TCP6 connection.
+ Check existing TCP connection, if in error state, recover TCP6 connection. Then,
+ connect one TLS session if required.
@param[in] HttpInstance The HTTP instance private data.
@@ -1271,30 +1320,88 @@ HttpConnectTcp6 ( HttpCloseConnection(HttpInstance);
}
- return HttpCreateConnection (HttpInstance);
+ Status = HttpCreateConnection (HttpInstance);
+ if (EFI_ERROR(Status)){
+ DEBUG ((EFI_D_ERROR, "Tcp6 Connection fail - %x\n", Status));
+ return Status;
+ }
+
+ //
+ // Tls session connection.
+ //
+ if (HttpInstance->UseHttps) {
+ if (HttpInstance->TimeoutEvent == NULL) {
+ //
+ // Create TimeoutEvent for TLS connection.
+ //
+ Status = gBS->CreateEvent (
+ EVT_TIMER,
+ TPL_CALLBACK,
+ NULL,
+ NULL,
+ &HttpInstance->TimeoutEvent
+ );
+ if (EFI_ERROR (Status)) {
+ TlsCloseTxRxEvent (HttpInstance);
+ return Status;
+ }
+ }
+
+ //
+ // Start the timer, and wait Timeout seconds for connection.
+ //
+ Status = gBS->SetTimer (HttpInstance->TimeoutEvent, TimerRelative, HTTP_CONNECTION_TIMEOUT * TICKS_PER_SECOND);
+ if (EFI_ERROR (Status)) {
+ TlsCloseTxRxEvent (HttpInstance);
+ return Status;
+ }
+
+ Status = TlsConnectSession (HttpInstance, HttpInstance->TimeoutEvent);
+
+ gBS->SetTimer (HttpInstance->TimeoutEvent, TimerCancel, 0);
+
+ if (EFI_ERROR (Status)) {
+ TlsCloseTxRxEvent (HttpInstance);
+ return Status;
+ }
+ }
+
+ return Status;
}
/**
- Initialize TCP related data.
+ Initialize Http session.
@param[in] HttpInstance The HTTP instance private data.
@param[in] Wrap The HTTP token's wrap data.
- @param[in] Configure The Flag indicates whether the first time to initialize Tcp.
+ @param[in] Configure The Flag indicates whether need to initialize session.
+ @param[in] TlsConfigure The Flag indicates whether it's the new Tls session.
- @retval EFI_SUCCESS The initialization of TCP instance is done.
+ @retval EFI_SUCCESS The initialization of session is done.
@retval Others Other error as indicated.
**/
EFI_STATUS
-HttpInitTcp (
+HttpInitSession (
IN HTTP_PROTOCOL *HttpInstance,
IN HTTP_TOKEN_WRAP *Wrap,
- IN BOOLEAN Configure
+ IN BOOLEAN Configure,
+ IN BOOLEAN TlsConfigure
)
{
EFI_STATUS Status;
ASSERT (HttpInstance != NULL);
+ //
+ // Configure Tls session.
+ //
+ if (TlsConfigure) {
+ Status = TlsConfigureSession (HttpInstance);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
if (!HttpInstance->LocalAddressIsIPv6) {
//
// Configure TCP instance.
@@ -1338,7 +1445,7 @@ HttpInitTcp ( }
/**
- Send the HTTP message through TCP4 or TCP6.
+ Send the HTTP or HTTPS message through TCP4 or TCP6.
@param[in] HttpInstance The HTTP instance private data.
@param[in] Wrap The HTTP token's wrap data.
@@ -1362,14 +1469,64 @@ HttpTransmitTcp ( EFI_TCP4_PROTOCOL *Tcp4;
EFI_TCP6_IO_TOKEN *Tx6Token;
EFI_TCP6_PROTOCOL *Tcp6;
+ UINT8 *Buffer;
+ UINTN BufferSize;
+ NET_FRAGMENT TempFragment;
+
+ Status = EFI_SUCCESS;
+ Buffer = NULL;
+
+ //
+ // Need to encrypt data.
+ //
+ if (HttpInstance->UseHttps) {
+ //
+ // Build BufferOut data
+ //
+ BufferSize = sizeof (TLS_RECORD_HEADER) + TxStringLen;
+ Buffer = AllocateZeroPool (BufferSize);
+ if (Buffer == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ return Status;
+ }
+ ((TLS_RECORD_HEADER *) Buffer)->ContentType = TLS_CONTENT_TYPE_APPLICATION_DATA;
+ ((TLS_RECORD_HEADER *) Buffer)->Version.Major = HttpInstance->TlsConfigData.Version.Major;
+ ((TLS_RECORD_HEADER *) Buffer)->Version.Minor = HttpInstance->TlsConfigData.Version.Minor;
+ ((TLS_RECORD_HEADER *) Buffer)->Length = (UINT16) (TxStringLen);
+ CopyMem (Buffer + sizeof (TLS_RECORD_HEADER), TxString, TxStringLen);
+
+ //
+ // Encrypt Packet.
+ //
+ Status = TlsProcessMessage (
+ HttpInstance,
+ Buffer,
+ BufferSize,
+ EfiTlsEncrypt,
+ &TempFragment
+ );
+
+ FreePool (Buffer);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
- if (!HttpInstance->LocalAddressIsIPv6) {
+ if (!HttpInstance->LocalAddressIsIPv6) {
Tcp4 = HttpInstance->Tcp4;
Tx4Token = &Wrap->TcpWrap.Tx4Token;
+
+ if (HttpInstance->UseHttps) {
+ Tx4Token->Packet.TxData->DataLength = TempFragment.Len;
+ Tx4Token->Packet.TxData->FragmentTable[0].FragmentLength = TempFragment.Len;
+ Tx4Token->Packet.TxData->FragmentTable[0].FragmentBuffer = (VOID *) TempFragment.Bulk;
+ } else {
+ Tx4Token->Packet.TxData->DataLength = (UINT32) TxStringLen;
+ Tx4Token->Packet.TxData->FragmentTable[0].FragmentLength = (UINT32) TxStringLen;
+ Tx4Token->Packet.TxData->FragmentTable[0].FragmentBuffer = (VOID *) TxString;
+ }
- Tx4Token->Packet.TxData->DataLength = (UINT32) TxStringLen;
- Tx4Token->Packet.TxData->FragmentTable[0].FragmentLength = (UINT32) TxStringLen;
- Tx4Token->Packet.TxData->FragmentTable[0].FragmentBuffer = (VOID *) TxString;
Tx4Token->CompletionToken.Status = EFI_NOT_READY;
Wrap->TcpWrap.IsTxDone = FALSE;
@@ -1382,10 +1539,17 @@ HttpTransmitTcp ( } else {
Tcp6 = HttpInstance->Tcp6;
Tx6Token = &Wrap->TcpWrap.Tx6Token;
-
- Tx6Token->Packet.TxData->DataLength = (UINT32) TxStringLen;
- Tx6Token->Packet.TxData->FragmentTable[0].FragmentLength = (UINT32) TxStringLen;
- Tx6Token->Packet.TxData->FragmentTable[0].FragmentBuffer = (VOID *) TxString;
+
+ if (HttpInstance->UseHttps) {
+ Tx6Token->Packet.TxData->DataLength = TempFragment.Len;
+ Tx6Token->Packet.TxData->FragmentTable[0].FragmentLength = TempFragment.Len;
+ Tx6Token->Packet.TxData->FragmentTable[0].FragmentBuffer = (VOID *) TempFragment.Bulk;
+ } else {
+ Tx6Token->Packet.TxData->DataLength = (UINT32) TxStringLen;
+ Tx6Token->Packet.TxData->FragmentTable[0].FragmentLength = (UINT32) TxStringLen;
+ Tx6Token->Packet.TxData->FragmentTable[0].FragmentBuffer = (VOID *) TxString;
+ }
+
Tx6Token->CompletionToken.Status = EFI_NOT_READY;
Wrap->TcpWrap.IsTxDone = FALSE;
@@ -1396,7 +1560,6 @@ HttpTransmitTcp ( }
}
-
return Status;
}
@@ -1466,7 +1629,7 @@ HttpTcpNotReady ( }
/**
- Transmit the HTTP mssage by processing the associated HTTP token.
+ Transmit the HTTP or HTTPS mssage by processing the associated HTTP token.
@param[in] Map The container of Tx4Token or Tx6Token.
@param[in] Item Current item to check against.
@@ -1590,6 +1753,7 @@ HttpTcpReceiveHeader ( CHAR8 **EndofHeader;
CHAR8 **HttpHeaders;
CHAR8 *Buffer;
+ NET_FRAGMENT Fragment;
ASSERT (HttpInstance != NULL);
@@ -1600,6 +1764,8 @@ HttpTcpReceiveHeader ( Buffer = NULL;
Rx4Token = NULL;
Rx6Token = NULL;
+ Fragment.Len = 0;
+ Fragment.Bulk = NULL;
if (HttpInstance->LocalAddressIsIPv6) {
ASSERT (Tcp6 != NULL);
@@ -1607,146 +1773,211 @@ HttpTcpReceiveHeader ( ASSERT (Tcp4 != NULL);
}
- if (!HttpInstance->LocalAddressIsIPv6) {
- Rx4Token = &HttpInstance->Rx4Token;
- Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer = AllocateZeroPool (DEF_BUF_LEN);
- if (Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
+ if (!HttpInstance->UseHttps) {
+ Status = HttpCreateTcpRxEventForHeader (HttpInstance);
+ if (EFI_ERROR (Status)) {
return Status;
}
+ }
+
+ if (!HttpInstance->LocalAddressIsIPv6) {
+ if (!HttpInstance->UseHttps) {
+ Rx4Token = &HttpInstance->Rx4Token;
+ Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer = AllocateZeroPool (DEF_BUF_LEN);
+ if (Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ return Status;
+ }
+ }
//
// Receive the HTTP headers only when EFI_HTTP_RESPONSE_DATA is not NULL.
//
- while (*EndofHeader == NULL) {
- HttpInstance->IsRxDone = FALSE;
- Rx4Token->Packet.RxData->DataLength = DEF_BUF_LEN;
- Rx4Token->Packet.RxData->FragmentTable[0].FragmentLength = DEF_BUF_LEN;
- Status = Tcp4->Receive (Tcp4, Rx4Token);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "Tcp4 receive failed: %r\n", Status));
- return Status;
- }
-
- while (!HttpInstance->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS->CheckEvent (Timeout)))) {
- Tcp4->Poll (Tcp4);
+ while (*EndofHeader == NULL) {
+ if (!HttpInstance->UseHttps) {
+ HttpInstance->IsRxDone = FALSE;
+ Rx4Token->Packet.RxData->DataLength = DEF_BUF_LEN;
+ Rx4Token->Packet.RxData->FragmentTable[0].FragmentLength = DEF_BUF_LEN;
+ Status = Tcp4->Receive (Tcp4, Rx4Token);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Tcp4 receive failed: %r\n", Status));
+ return Status;
+ }
+
+ while (!HttpInstance->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS->CheckEvent (Timeout)))) {
+ Tcp4->Poll (Tcp4);
+ }
+
+ if (!HttpInstance->IsRxDone) {
+ //
+ // Cancle the Token before close its Event.
+ //
+ Tcp4->Cancel (HttpInstance->Tcp4, &Rx4Token->CompletionToken);
+ gBS->CloseEvent (Rx4Token->CompletionToken.Event);
+ Rx4Token->CompletionToken.Status = EFI_TIMEOUT;
+ }
+
+ Status = Rx4Token->CompletionToken.Status;
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Fragment.Len = Rx4Token->Packet.RxData->FragmentTable[0].FragmentLength;
+ Fragment.Bulk = (UINT8 *) Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer;
+ } else {
+ if (Fragment.Bulk != NULL) {
+ FreePool (Fragment.Bulk);
+ Fragment.Bulk = NULL;
+ }
+
+ Status = HttpsReceive (HttpInstance, &Fragment, Timeout);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Tcp4 receive failed: %r\n", Status));
+ return Status;
+ }
}
- if (!HttpInstance->IsRxDone) {
- //
- // Cancle the Token before close its Event.
- //
- Tcp4->Cancel (HttpInstance->Tcp4, &Rx4Token->CompletionToken);
- gBS->CloseEvent (Rx4Token->CompletionToken.Event);
- Rx4Token->CompletionToken.Status = EFI_TIMEOUT;
- }
-
- Status = Rx4Token->CompletionToken.Status;
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
//
// Append the response string.
//
- *BufferSize = (*SizeofHeaders) + Rx4Token->Packet.RxData->FragmentTable[0].FragmentLength;
+ *BufferSize = *SizeofHeaders + Fragment.Len;
Buffer = AllocateZeroPool (*BufferSize);
if (Buffer == NULL) {
Status = EFI_OUT_OF_RESOURCES;
return Status;
}
-
+
if (*HttpHeaders != NULL) {
- CopyMem (Buffer, *HttpHeaders, (*SizeofHeaders));
+ CopyMem (Buffer, *HttpHeaders, *SizeofHeaders);
FreePool (*HttpHeaders);
}
-
+
CopyMem (
- Buffer + (*SizeofHeaders),
- Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer,
- Rx4Token->Packet.RxData->FragmentTable[0].FragmentLength
+ Buffer + *SizeofHeaders,
+ Fragment.Bulk,
+ Fragment.Len
);
- *HttpHeaders = Buffer;
- *SizeofHeaders = *BufferSize;
-
+ *HttpHeaders = Buffer;
+ *SizeofHeaders = *BufferSize;
+
//
// Check whether we received end of HTTP headers.
//
*EndofHeader = AsciiStrStr (*HttpHeaders, HTTP_END_OF_HDR_STR);
- }
- FreePool (Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer);
- Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer = NULL;
+ };
+ //
+ // Free the buffer.
+ //
+ if (Rx4Token != NULL && Rx4Token->Packet.RxData != NULL && Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer != NULL) {
+ FreePool (Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer);
+ Rx4Token->Packet.RxData->FragmentTable[0].FragmentBuffer = NULL;
+ Fragment.Bulk = NULL;
+ }
+
+ if (Fragment.Bulk != NULL) {
+ FreePool (Fragment.Bulk);
+ Fragment.Bulk = NULL;
+ }
} else {
- Rx6Token = &HttpInstance->Rx6Token;
- Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer = AllocateZeroPool (DEF_BUF_LEN);
- if (Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- return Status;
+ if (!HttpInstance->UseHttps) {
+ Rx6Token = &HttpInstance->Rx6Token;
+ Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer = AllocateZeroPool (DEF_BUF_LEN);
+ if (Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ return Status;
+ }
}
//
// Receive the HTTP headers only when EFI_HTTP_RESPONSE_DATA is not NULL.
//
- while (*EndofHeader == NULL) {
- HttpInstance->IsRxDone = FALSE;
- Rx6Token->Packet.RxData->DataLength = DEF_BUF_LEN;
- Rx6Token->Packet.RxData->FragmentTable[0].FragmentLength = DEF_BUF_LEN;
- Status = Tcp6->Receive (Tcp6, Rx6Token);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "Tcp6 receive failed: %r\n", Status));
- return Status;
- }
-
- while (!HttpInstance->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS->CheckEvent (Timeout)))) {
- Tcp6->Poll (Tcp6);
+ while (*EndofHeader == NULL) {
+ if (!HttpInstance->UseHttps) {
+ HttpInstance->IsRxDone = FALSE;
+ Rx6Token->Packet.RxData->DataLength = DEF_BUF_LEN;
+ Rx6Token->Packet.RxData->FragmentTable[0].FragmentLength = DEF_BUF_LEN;
+ Status = Tcp6->Receive (Tcp6, Rx6Token);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Tcp6 receive failed: %r\n", Status));
+ return Status;
+ }
+
+ while (!HttpInstance->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS->CheckEvent (Timeout)))) {
+ Tcp6->Poll (Tcp6);
+ }
+
+ if (!HttpInstance->IsRxDone) {
+ //
+ // Cancle the Token before close its Event.
+ //
+ Tcp6->Cancel (HttpInstance->Tcp6, &Rx6Token->CompletionToken);
+ gBS->CloseEvent (Rx6Token->CompletionToken.Event);
+ Rx6Token->CompletionToken.Status = EFI_TIMEOUT;
+ }
+
+ Status = Rx6Token->CompletionToken.Status;
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Fragment.Len = Rx6Token->Packet.RxData->FragmentTable[0].FragmentLength;
+ Fragment.Bulk = (UINT8 *) Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer;
+ } else {
+ if (Fragment.Bulk != NULL) {
+ FreePool (Fragment.Bulk);
+ Fragment.Bulk = NULL;
+ }
+
+ Status = HttpsReceive (HttpInstance, &Fragment, Timeout);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Tcp6 receive failed: %r\n", Status));
+ return Status;
+ }
}
- if (!HttpInstance->IsRxDone) {
- //
- // Cancle the Token before close its Event.
- //
- Tcp6->Cancel (HttpInstance->Tcp6, &Rx6Token->CompletionToken);
- gBS->CloseEvent (Rx6Token->CompletionToken.Event);
- Rx6Token->CompletionToken.Status = EFI_TIMEOUT;
- }
-
- Status = Rx6Token->CompletionToken.Status;
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
//
// Append the response string.
//
- *BufferSize = (*SizeofHeaders) + Rx6Token->Packet.RxData->FragmentTable[0].FragmentLength;
+ *BufferSize = *SizeofHeaders + Fragment.Len;
Buffer = AllocateZeroPool (*BufferSize);
if (Buffer == NULL) {
Status = EFI_OUT_OF_RESOURCES;
return Status;
}
-
+
if (*HttpHeaders != NULL) {
- CopyMem (Buffer, *HttpHeaders, (*SizeofHeaders));
+ CopyMem (Buffer, *HttpHeaders, *SizeofHeaders);
FreePool (*HttpHeaders);
}
-
+
CopyMem (
- Buffer + (*SizeofHeaders),
- Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer,
- Rx6Token->Packet.RxData->FragmentTable[0].FragmentLength
+ Buffer + *SizeofHeaders,
+ Fragment.Bulk,
+ Fragment.Len
);
- *HttpHeaders = Buffer;
- *SizeofHeaders = *BufferSize;
-
+ *HttpHeaders = Buffer;
+ *SizeofHeaders = *BufferSize;
+
//
// Check whether we received end of HTTP headers.
//
- *EndofHeader = AsciiStrStr (*HttpHeaders, HTTP_END_OF_HDR_STR);
-
+ *EndofHeader = AsciiStrStr (*HttpHeaders, HTTP_END_OF_HDR_STR);
+ };
+
+ //
+ // Free the buffer.
+ //
+ if (Rx6Token != NULL && Rx6Token->Packet.RxData != NULL && Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer != NULL) {
+ FreePool (Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer);
+ Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer = NULL;
+ Fragment.Bulk = NULL;
+ }
+
+ if (Fragment.Bulk != NULL) {
+ FreePool (Fragment.Bulk);
+ Fragment.Bulk = NULL;
}
- FreePool (Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer);
- Rx6Token->Packet.RxData->FragmentTable[0].FragmentBuffer = NULL;
}
//
|