winhttp: Ignore unknown schemes in WinHttpQueryAuthSchemes.

dlls/winhttp/request.c

@@ -1311,7 +1311,7 @@ static DWORD auth_scheme_from_header( WCHAR *header )
 
 static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD supported, LPDWORD first )
 {
-    DWORD index = 0;
+    DWORD index = 0, supported_schemes = 0, first_scheme = 0;
     BOOL ret = FALSE;
 
     for (;;)
@@ -1332,15 +1332,19 @@ static BOOL query_auth_schemes( request_t *request, DWORD level, LPDWORD support
         }
         scheme = auth_scheme_from_header( buffer );
         heap_free( buffer );
-        if (!scheme) break;
+        if (!scheme) continue;
 
-        if (first && index == 1)
-            *first = *supported = scheme;
-        else
-            *supported |= scheme;
+        if (!first_scheme) first_scheme = scheme;
+        supported_schemes |= scheme;
 
         ret = TRUE;
     }
+
+    if (ret)
+    {
+        *supported = supported_schemes;
+        *first = first_scheme;
+    }
     return ret;
 }
 

dlls/winhttp/tests/winhttp.c

@@ -2523,7 +2523,7 @@ static void test_multi_authentication(int port)
     static const WCHAR multiauthW[] = {'/','m','u','l','t','i','a','u','t','h',0};
     static const WCHAR getW[] = {'G','E','T',0};
     HINTERNET ses, con, req;
-    DWORD supported = 10, first = 9, target = 8;
+    DWORD supported, first, target;
     BOOL ret;
 
     ses = WinHttpOpen(test_useragent, WINHTTP_ACCESS_TYPE_NO_PROXY, NULL, NULL, 0);
@@ -2542,11 +2542,12 @@ static void test_multi_authentication(int port)
     ret = WinHttpReceiveResponse(req, NULL);
     ok(ret, "expected success\n");
 
+    supported = first = target = 0xdeadbeef;
     ret = WinHttpQueryAuthSchemes(req, &supported, &first, &target);
-    todo_wine ok(ret, "expected success\n");
-    todo_wine ok(supported == (WINHTTP_AUTH_SCHEME_BASIC | WINHTTP_AUTH_SCHEME_NTLM), "got %x\n", supported);
-    todo_wine ok(target == WINHTTP_AUTH_TARGET_SERVER, "got %x\n", target);
-    todo_wine ok(first == 1, "got %x\n", first);
+    ok(ret, "expected success\n");
+    ok(supported == (WINHTTP_AUTH_SCHEME_BASIC | WINHTTP_AUTH_SCHEME_NTLM), "got %x\n", supported);
+    ok(target == WINHTTP_AUTH_TARGET_SERVER, "got %x\n", target);
+    ok(first == WINHTTP_AUTH_SCHEME_BASIC, "got %x\n", first);
 
     WinHttpCloseHandle(req);
     WinHttpCloseHandle(con);