From 8840ef3327f3bdb56bc5a1804095fda2fe6848ac Mon Sep 17 00:00:00 2001
From: Paul Vriens <Paul.Vriens@xs4all.nl>
Date: Fri, 8 Sep 2006 13:18:46 +0200
Subject: [PATCH] crypt32: Added some input validation.

---
 dlls/crypt32/main.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/dlls/crypt32/main.c b/dlls/crypt32/main.c
index 28f63c80f5e..86b9cf40d0e 100644
--- a/dlls/crypt32/main.c
+++ b/dlls/crypt32/main.c
@@ -181,8 +181,17 @@ BOOL WINAPI CryptSIPAddProvider(SIP_ADD_NEWPROVIDER *psNewProv)
 
     TRACE("%p\n", psNewProv);
 
-    if( !psNewProv )
+    if (!psNewProv ||
+        psNewProv->cbStruct != sizeof(SIP_ADD_NEWPROVIDER) ||
+        !psNewProv->pwszGetFuncName ||
+        !psNewProv->pwszPutFuncName ||
+        !psNewProv->pwszCreateFuncName ||
+        !psNewProv->pwszVerifyFuncName ||
+        !psNewProv->pwszRemoveFuncName)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
         return FALSE;
+    }
 
     TRACE("%s %s %s %s\n",
           debugstr_guid( psNewProv->pgSubject ),