winhttp: Implement WINHTTP_OPTION_MAX_HTTP_AUTOMATIC_REDIRECTS.

dlls/winhttp/request.c

@@ -2720,6 +2720,8 @@ static DWORD receive_response( struct request *request, BOOL async )
             if (request->hdr.disable_flags & WINHTTP_DISABLE_REDIRECTS ||
                 request->hdr.redirect_policy == WINHTTP_OPTION_REDIRECT_POLICY_NEVER) break;
 
+            if (++request->redirect_count > request->max_redirects) return ERROR_WINHTTP_REDIRECT_FAILED;
+
             if ((ret = handle_redirect( request, status ))) break;
 
             /* recurse synchronously */

dlls/winhttp/session.c

@@ -820,6 +820,11 @@ static BOOL request_query_option( struct object_header *hdr, DWORD option, void
         str_to_buffer( buffer, request->connect->session->proxy_password, buflen );
         return TRUE;
 
+    case WINHTTP_OPTION_MAX_HTTP_AUTOMATIC_REDIRECTS:
+        *(DWORD *)buffer = request->max_redirects;
+        *buflen = sizeof(DWORD);
+        return TRUE;
+
     default:
         FIXME("unimplemented option %u\n", option);
         SetLastError( ERROR_INVALID_PARAMETER );
@@ -1028,6 +1033,17 @@ static BOOL request_set_option( struct object_header *hdr, DWORD option, void *b
         FIXME("WINHTTP_OPTION_CONNECT_RETRIES\n");
         return TRUE;
 
+    case WINHTTP_OPTION_MAX_HTTP_AUTOMATIC_REDIRECTS:
+        if (buflen == sizeof(DWORD))
+        {
+            request->max_redirects = *(DWORD *)buffer;
+            SetLastError(NO_ERROR);
+            return TRUE;
+        }
+
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return FALSE;
+
     default:
         FIXME("unimplemented option %u\n", option);
         SetLastError( ERROR_WINHTTP_INVALID_OPTION );
@@ -1121,6 +1137,7 @@ HINTERNET WINAPI WinHttpOpenRequest( HINTERNET hconnect, LPCWSTR verb, LPCWSTR o
     request->send_timeout = connect->session->send_timeout;
     request->receive_timeout = connect->session->receive_timeout;
     request->receive_response_timeout = connect->session->receive_response_timeout;
+    request->max_redirects = 10;
 
     if (!verb || !verb[0]) verb = L"GET";
     if (!(request->verb = strdupW( verb ))) goto end;

dlls/winhttp/tests/winhttp.c

@@ -5102,7 +5102,7 @@ static void test_max_http_automatic_redirects (void)
 
     max_redirects = 2;
     ret = WinHttpSetOption(request, WINHTTP_OPTION_MAX_HTTP_AUTOMATIC_REDIRECTS, &max_redirects, sizeof(max_redirects));
-    todo_wine ok(ret, "WinHttpSetOption failed: %u\n", GetLastError());
+    ok(ret, "WinHttpSetOption failed: %u\n", GetLastError());
 
     ret = WinHttpSendRequest(request, WINHTTP_NO_ADDITIONAL_HEADERS, 0, WINHTTP_NO_REQUEST_DATA, 0, 0, 0);
     err = GetLastError();
@@ -5115,8 +5115,8 @@ static void test_max_http_automatic_redirects (void)
 
     SetLastError(0xdeadbeef);
     ret = WinHttpReceiveResponse(request, NULL);
-    todo_wine ok(!ret, "WinHttpReceiveResponse succeeded, expected failure\n");
-    todo_wine ok(GetLastError() == ERROR_WINHTTP_REDIRECT_FAILED, "Expected ERROR_WINHTTP_REDIRECT_FAILED, got %u.\n", GetLastError());
+    ok(!ret, "WinHttpReceiveResponse succeeded, expected failure\n");
+    ok(GetLastError() == ERROR_WINHTTP_REDIRECT_FAILED, "Expected ERROR_WINHTTP_REDIRECT_FAILED, got %u.\n", GetLastError());
 
  done:
     ret = WinHttpCloseHandle(request);

dlls/winhttp/winhttp_private.h

@@ -189,6 +189,8 @@ struct request
     int send_timeout;
     int receive_timeout;
     int receive_response_timeout;
+    DWORD max_redirects;
+    DWORD redirect_count; /* total number of redirects during this request */
     WCHAR *status_text;
     DWORD content_length; /* total number of bytes to be read */
     DWORD content_read;   /* bytes read so far */