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Add checks in FreeRTOS_Socket.c (#104)

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* Add fail-safes to FreeRTOS_Socket.c

* Use all 'pd' errors

* Correction after Hein's comments

* Correction after Hein's comments v2

* Changes after Hein's comments

* Update after Gary's comments
This commit is contained in:
Aniruddha Kanhere
2020-07-01 13:56:27 -07:00
committed by GitHub
parent a9b2aac4e9
commit d5fedeaa96
1 changed files with 25 additions and 7 deletions
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FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_Sockets.c
+25 -7
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@@ -1395,8 +1395,12 @@ FreeRTOS_Socket_t *pxSocket;
sockets standard, but this implementation does not use all the parameters. */
( void ) lLevel;
( void ) uxOptionLength;
configASSERT( xSocket != NULL );
if( ( pxSocket == NULL ) || ( pxSocket == FREERTOS_INVALID_SOCKET ) )
{
xReturn = -pdFREERTOS_ERRNO_EINVAL;
return xReturn;
}
switch( lOptionName )
{
@@ -2200,7 +2204,12 @@ void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket )
{
BaseType_t xResult = 0;
if( prvValidSocket( pxSocket, FREERTOS_IPPROTO_TCP, pdFALSE ) == pdFALSE )
if( pxAddress == NULL )
{
/* NULL address passed to the function. Invalid value. */
xResult = -pdFREERTOS_ERRNO_EINVAL;
}
else if( prvValidSocket( pxSocket, FREERTOS_IPPROTO_TCP, pdFALSE ) == pdFALSE )
{
/* Not a valid socket or wrong type */
xResult = -pdFREERTOS_ERRNO_EBADF;
@@ -2271,7 +2280,7 @@ void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket )
FreeRTOS_Socket_t *pxSocket = ( FreeRTOS_Socket_t* ) xClientSocket;
TickType_t xRemainingTime;
BaseType_t xTimed = pdFALSE;
BaseType_t xResult;
BaseType_t xResult = -pdFREERTOS_ERRNO_EINVAL;
TimeOut_t xTimeOut;
( void ) xAddressLength;
@@ -2484,6 +2493,12 @@ void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket )
{
xByteCount = -pdFREERTOS_ERRNO_EINVAL;
}
else if( ( ( ( uint32_t ) xFlags & ( uint32_t ) FREERTOS_ZERO_COPY ) != 0U ) &&
( pvBuffer == NULL ) )
{
/* In zero-copy mode, pvBuffer is a pointer to a pointer ( not NULL ). */
xByteCount = -pdFREERTOS_ERRNO_EINVAL;
}
else
{
if( pxSocket->u.xTCP.rxStream != NULL )
@@ -2746,7 +2761,7 @@ void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket )
*/
BaseType_t FreeRTOS_send( Socket_t xSocket, const void *pvBuffer, size_t uxDataLength, BaseType_t xFlags )
{
BaseType_t xByteCount;
BaseType_t xByteCount = -pdFREERTOS_ERRNO_EINVAL;
BaseType_t xBytesLeft;
FreeRTOS_Socket_t *pxSocket = ( FreeRTOS_Socket_t * ) xSocket;
TickType_t xRemainingTime;
@@ -2758,8 +2773,11 @@ void vSocketWakeUpUser( FreeRTOS_Socket_t *pxSocket )
/* Prevent compiler warnings about unused parameters. The parameter
may be used in future versions. */
( void ) xFlags;
xByteCount = ( BaseType_t ) prvTCPSendCheck( pxSocket, uxDataLength );
if( pvBuffer != NULL )
{
xByteCount = ( BaseType_t ) prvTCPSendCheck( pxSocket, uxDataLength );
}
if( xByteCount > 0 )
{