[ros-diffs] [cgutman] 47650: [MSAFD] - Validate that we found the corresponding socket information in our socket information list - Fixes a crash in Firefox 2 when it tries to call accept() with a closed socket

Author: cgutman
Date: Mon Jun  7 03:24:15 2010
New Revision: 47650

URL: http://svn.reactos.org/svn/reactos?rev=47650&view=rev
Log:
[MSAFD]
- Validate that we found the corresponding socket information in our socket information
list
- Fixes a crash in Firefox 2 when it tries to call accept() with a closed socket

Modified:
    trunk/reactos/dll/win32/msafd/misc/dllmain.c
    trunk/reactos/dll/win32/msafd/misc/event.c
    trunk/reactos/dll/win32/msafd/misc/sndrcv.c

Modified: trunk/reactos/dll/win32/msafd/misc/dllmain.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/msafd/misc/dllma…
==============================================================================
--- trunk/reactos/dll/win32/msafd/misc/dllmain.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/msafd/misc/dllmain.c [iso-8859-1] Mon Jun  7 03:24:15 2010
@@ -440,6 +440,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       NtClose(SockEvent);
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     if (Socket->HelperEvents & WSH_NOTIFY_CLOSE)
     {
@@ -635,6 +641,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       HeapFree(GlobalHeap, 0, BindData);
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     /* Set up Address in TDI Format */
     BindData->Address.TAAddressCount = 1;
@@ -728,6 +740,11 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     if (Socket->SharedData.Listening)
         return 0;
@@ -1072,6 +1089,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       NtClose(SockEvent);
+       *lpErrno = WSAENOTSOCK;
+       return INVALID_SOCKET;
+    }
 
     /* If this is non-blocking, make sure there's something for us to accept */
     FD_ZERO(&ReadSet);
@@ -1428,6 +1451,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       NtClose(SockEvent);
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     /* Bind us First */
     if (Socket->SharedData.State == SocketOpen)
@@ -1644,6 +1673,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       NtClose(SockEvent);
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     /* Set AFD Disconnect Type */
     switch (HowTo)
@@ -1718,6 +1753,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       NtClose(SockEvent);
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     /* Allocate a buffer for the address */
     TdiAddressSize = 
@@ -1806,6 +1847,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(s);
+    if (!Socket)
+    {
+       NtClose(SockEvent);
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     /* Allocate a buffer for the address */
     TdiAddressSize = sizeof(TRANSPORT_ADDRESS) + *NameLength;
@@ -1883,6 +1930,11 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     switch( dwIoControlCode )
     {

Modified: trunk/reactos/dll/win32/msafd/misc/event.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/msafd/misc/event…
==============================================================================
--- trunk/reactos/dll/win32/msafd/misc/event.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/msafd/misc/event.c [iso-8859-1] Mon Jun  7 03:24:15 2010
@@ -36,6 +36,12 @@
 
 	/* Get the Socket Structure associate to this Socket*/
 	Socket = GetSocketStructure(Handle);
+	if (!Socket)
+	{
+		NtClose(SockEvent);
+		*lpErrno = WSAENOTSOCK;
+		return SOCKET_ERROR;
+	}
 
 	/* Set Socket to Non-Blocking */
 	BlockMode = 1;
@@ -152,6 +158,12 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       NtClose(SockEvent);
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     EnumReq.Event = hEventObject;
 

Modified: trunk/reactos/dll/win32/msafd/misc/sndrcv.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/msafd/misc/sndrc…
==============================================================================
--- trunk/reactos/dll/win32/msafd/misc/sndrcv.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/msafd/misc/sndrcv.c [iso-8859-1] Mon Jun  7 03:24:15 2010
@@ -29,6 +29,11 @@
 
     /* Get the Socket Structure associated to this Socket */
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     /* Allocate the Async Data Structure to pass on to the Thread later */
     AsyncData = HeapAlloc(GetProcessHeap(), 0, sizeof(*AsyncData));
@@ -111,6 +116,11 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
                             NULL, 1, FALSE );
@@ -261,6 +271,11 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
                             NULL, 1, FALSE );
@@ -399,6 +414,11 @@
 
     /* Get the Socket Structure associate to this Socket*/
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
                             NULL, 1, FALSE );
@@ -523,6 +543,11 @@
 
     /* Get the Socket Structure associate to this Socket */
     Socket = GetSocketStructure(Handle);
+    if (!Socket)
+    {
+       *lpErrno = WSAENOTSOCK;
+       return SOCKET_ERROR;
+    }
 
     /* Bind us First */
     if (Socket->SharedData.State == SocketOpen)