Sat, 18 Mar 2023 12:06:18 +0100
prevent crash in default_propfind_do triggered by bad webdav config
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2019 Olaf Wintermann. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef MULTISTATUS_H #define MULTISTATUS_H #include "../public/webdav.h" #include <cx/map.h> #include <cx/buffer.h> #include <libxml/tree.h> #include "../util/writer.h" #ifdef __cplusplus extern "C" { #endif typedef struct Multistatus Multistatus; typedef struct MSResponse MSResponse; typedef struct PropertyOkList PropertyOkList; typedef struct PropertyErrorList PropertyErrorList; /* * implements the WebdavResponse interface */ struct Multistatus { WebdavResponse response; Session *sn; Request *rq; MSResponse *first; MSResponse *current; /* * Map of document namespace definitions * * key: (char*) namespace prefix * value: WSNamespace* */ CxMap *namespaces; /* * Is this a proppatch request? * * In a proppatch response, when the first property with an error occurs, * all already added properties will be set to 424 Failed Dependency. */ WSBool proppatch; }; /* * implements the WebdavResource interface */ struct MSResponse { WebdavResource resource; Multistatus *multistatus; /* * Contains all properties that were added to the response * key: <href> null-byte <name> * value: WebdavProperty* */ CxMap *properties; /* * All properties with status != 200 */ PropertyErrorList *errors; /* * All properties with status == 200 */ PropertyOkList *plist_begin; PropertyOkList *plist_end; MSResponse *next; WSBool closing; }; struct PropertyOkList { WebdavProperty *property; WebdavNSList *nsdef; PropertyOkList *next; }; struct PropertyErrorList { /* * next list for different status code */ PropertyErrorList *next; /* * property list for all properties with this status code */ WebdavPList *begin; /* * tail of the property list */ WebdavPList *end; /* * property response status code */ int status; }; Multistatus* multistatus_response(Session *sn, Request *rq); int multistatus_send(Multistatus *ms, SYS_NETFD out); WebdavResource * multistatus_addresource( WebdavResponse *response, const char *path); int msresponse_addproperty( WebdavResource *res, WebdavProperty *property, int status); int msresponse_close(WebdavResource *res); #ifdef __cplusplus } #endif #endif /* MULTISTATUS_H */