[gschneider] 42764: - GetConsoleAliasA: Check for invalid target buffer, failed memory allocations (3x) - Found by Amine Khaldi

Author: gschneider
Date: Tue Aug 18 15:39:28 2009
New Revision: 42764

URL: http://svn.reactos.org/svn/reactos?rev=42764&view=rev
Log:
- GetConsoleAliasA: Check for invalid target buffer, failed memory allocations (3x)
- Found by Amine Khaldi 

Modified:
    trunk/reactos/dll/win32/kernel32/misc/console.c

Modified: trunk/reactos/dll/win32/kernel32/misc/console.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/kernel32/misc/co…
==============================================================================
--- trunk/reactos/dll/win32/kernel32/misc/console.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/kernel32/misc/console.c [iso-8859-1] Tue Aug 18 15:39:28 2009
@@ -2,7 +2,7 @@
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries
- * FILE:            lib/kernel32/misc/console.c
+ * FILE:            dll/win32/kernel32/misc/console.c
  * PURPOSE:         Win32 server console functions
  * PROGRAMMER:      James Tabor
  *            <jimtabor(a)adsl-64-217-116-74.dsl.hstntx.swbell.net>
@@ -426,15 +426,39 @@
 
     DPRINT("GetConsoleAliasA entered\n");
 
+    if (lpTargetBuffer == NULL)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return 0;
+    }
+
     dwSourceSize = (strlen(lpSource)+1) * sizeof(WCHAR);
     lpwSource = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwSourceSize);
+    if (lpwSource == NULL)
+    {
+        SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+        return 0;
+    }
     MultiByteToWideChar(CP_ACP, 0, lpSource, -1, lpwSource, dwSourceSize);
 
     dwExeNameSize = (strlen(lpExeName)+1) * sizeof(WCHAR);
     lpwExeName = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwExeNameSize);
+    if (lpwExeName == NULL)
+    {
+        HeapFree(GetProcessHeap(), 0, lpwSource);
+        SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+        return 0;
+    }
     MultiByteToWideChar(CP_ACP, 0, lpExeName, -1, lpwExeName, dwExeNameSize);
 
     lpwTargetBuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, TargetBufferLength *
sizeof(WCHAR));
+    if (lpwTargetBuffer == NULL)
+    {
+        HeapFree(GetProcessHeap(), 0, lpwSource);
+        HeapFree(GetProcessHeap(), 0, lpwExeName);
+        SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+        return 0;
+    }
 
     dwResult = GetConsoleAliasW(lpwSource, lpwTargetBuffer, TargetBufferLength *
sizeof(WCHAR), lpwExeName);