Check for an invalid hInternet handle in INET_QueryOptionHelper for

INTERNET_OPTION_PROXY before attempting to use it.

Check for an invalid hInternet handle in INET_QueryOptionHelper for
c2053e1d · Benjamin Cutler · Alexandre Julliard · 47229416 · c2053e1d
Commit c2053e1d authored Apr 13, 2005 by Benjamin Cutler Committed by Alexandre Julliard Apr 13, 2005
Hide whitespace changes
Inline Side-by-side

Showing with 7 additions and 0 deletions

internet.c dlls/wininet/internet.c +7 -0

No files found.
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -1876,6 +1876,13 @@ static BOOL INET_QueryOptionHelper(BOOL bIsUnicode, HINTERNET hInternet, DWORD d
        {
            LPWININETAPPINFOW lpwai = (LPWININETAPPINFOW)lpwhh;

+            if (!lpwhh)
+            {
+                WARN("Invalid hInternet handle\n");
+                SetLastError(ERROR_INVALID_HANDLE);
+                return FALSE;
+            }
+
            if (bIsUnicode)
            {
                INTERNET_PROXY_INFOW *pPI = (INTERNET_PROXY_INFOW *)lpBuffer;