winhttp: Check for NULL lpszAutoConfigUrl in WinHttpGetProxyForUrl().

Fixes a regression introduced by cbfe940a.

winhttp: Check for NULL lpszAutoConfigUrl in WinHttpGetProxyForUrl().
2b0cd25b · Paul Gofman · Alexandre Julliard · 1efcbeac · 2b0cd25b
Commit 2b0cd25b authored Dec 19, 2022 by Paul Gofman Committed by Alexandre Julliard Dec 19, 2022
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session.c dlls/winhttp/session.c +2 -1

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--- a/dlls/winhttp/session.c
+++ b/dlls/winhttp/session.c
@@ -2094,7 +2094,8 @@ BOOL WINAPI WinHttpGetProxyForUrl( HINTERNET hsession, LPCWSTR url, WINHTTP_AUTO
        !(options->dwFlags & (WINHTTP_AUTOPROXY_AUTO_DETECT|WINHTTP_AUTOPROXY_CONFIG_URL)) ||
        ((options->dwFlags & WINHTTP_AUTOPROXY_AUTO_DETECT) && !options->dwAutoDetectFlags) ||
        ((options->dwFlags & WINHTTP_AUTOPROXY_AUTO_DETECT) &&
-         (options->dwFlags & WINHTTP_AUTOPROXY_CONFIG_URL)))
+         (options->dwFlags & WINHTTP_AUTOPROXY_CONFIG_URL)) ||
+        (options->dwFlags & WINHTTP_AUTOPROXY_CONFIG_URL && !options->lpszAutoConfigUrl))
    {
        release_object( &session->hdr );
        SetLastError( ERROR_INVALID_PARAMETER );