msi: Validate database fields before inserting them.

dlls/msi/table.c

@@ -1302,12 +1302,38 @@ static UINT msi_table_find_row( MSITABLEVIEW *tv, MSIRECORD *rec, UINT *row );
 
 static UINT table_validate_new( MSITABLEVIEW *tv, MSIRECORD *rec )
 {
-    UINT r, row;
+    UINT r, row, i;
 
+    /* check there's no null values where they're not allowed */
+    for( i = 0; i < tv->num_cols; i++ )
+    {
+        if ( tv->columns[i].type & MSITYPE_NULLABLE )
+            continue;
+
+        if ( tv->columns[i].type & MSITYPE_STRING )
+        {
+            LPCWSTR str;
+
+            str = MSI_RecordGetString( rec, i+1 );
+            if (str == NULL || str[0] == 0)
+                return ERROR_INVALID_DATA;
+        }
+        else
+        {
+            UINT n;
+
+            n = MSI_RecordGetInteger( rec, i+1 );
+            if (n == MSI_NULL_INTEGER)
+                return ERROR_INVALID_DATA;
+        }
+    }
+
+    /* check there's no duplicate keys */
     r = msi_table_find_row( tv, rec, &row );
-    if (r != ERROR_SUCCESS)
-        return ERROR_SUCCESS;
+    if (r == ERROR_SUCCESS)
         return ERROR_INVALID_DATA;
+
+    return ERROR_SUCCESS;
 }
 
 static UINT msi_table_modify_row( MSITABLEVIEW *tv, MSIRECORD *rec,
@@ -1352,6 +1378,11 @@ static UINT TABLE_insert_row( struct tagMSIVIEW *view, MSIRECORD *rec )
 
     TRACE("%p %p\n", tv, rec );
 
+    /* check that the key is unique - can we find a matching row? */
+    r = table_validate_new( tv, rec );
+    if( r != ERROR_SUCCESS )
+        return ERROR_FUNCTION_FAILED;
+
     r = table_create_new_row( view, &row );
     TRACE("insert_row returned %08x\n", r);
     if( r != ERROR_SUCCESS )

dlls/msi/tests/db.c

@@ -1323,10 +1323,7 @@ static void test_markers(void)
     MsiRecordSetString(rec, 3, "haha");
     query = "INSERT INTO `?` ( `One`, `Two` ) VALUES ( ?, '?' )";
     r = run_query(hdb, rec, query);
-    todo_wine
-    {
     ok(r == ERROR_FUNCTION_FAILED, "Expected ERROR_FUNCTION_FAILED, got %d\n", r);
-    }
 
     /* try all markers */
     MsiCloseHandle(rec);