src/server/webdav/xattrbackend.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2023 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.
 */


#include "xattrbackend.h"


static WebdavBackend webdav_xattr_backend = {
    webdav_xattr_propfind_init,
    webdav_xattr_propfind_do,
    webdav_xattr_propfind_finish,
    webdav_xattr_proppatch_do,
    webdav_xattr_proppatch_finish,
    NULL, // opt_mkcol
    NULL, // opt_mkcol_finish
    NULL, // opt_delete
    NULL, // opt_delete_finish
    WS_WEBDAV_PROPFIND_USE_VFS | WS_WEBDAV_PROPPATCH_USE_VFS, // settings
    NULL, // instance
    NULL  // next
};

int webdav_init_xattr_backend(void) {
    
    
    if(webdav_register_backend("xattr", webdav_xattr_init, webdav_xattr_create)) {
        return 1;
    }
    return 0;
}

void* webdav_xattr_init(ServerConfiguration *cfg, pool_handle_t *pool, WSConfigNode *config) {
    WebdavXAttrRepository *repo = pool_malloc(pool, sizeof(WebdavXAttrRepository));
    if(!repo) {
        return NULL;
    }
    
    // TODO: config
    
    return repo;
}

WebdavBackend* webdav_xattr_create(Session *sn, Request *rq, pblock *pb, void *initData) {
    WebdavBackend *dav = pool_malloc(sn->pool, sizeof(WebdavBackend));
    if(!dav) {
        return NULL;
    }
    
    WebdavXAttrBackend *instance = pool_malloc(sn->pool, sizeof(WebdavXAttrBackend));
    if(!instance) {
        return NULL;
    }
    instance->repo = initData;
    
    *dav = webdav_xattr_backend;
    dav->instance = instance;
    
    return dav; 
}


/* -------------------- webdav backend imlementation ----------------------*/

int webdav_xattr_propfind_init(
        WebdavPropfindRequest *rq,
        const char *path,
        const char *href,
        WebdavPList **outplist)
{
    return 0;
}

int webdav_xattr_propfind_do(
        WebdavPropfindRequest *request,
        WebdavResponse *response,
        VFS_DIR parent,
        WebdavResource *resource,
        struct stat *s)
{
    return 0;
}

int webdav_xattr_propfind_finish(WebdavPropfindRequest *rq) {
    return 0;
}

int webdav_xattr_proppatch_do(
            WebdavProppatchRequest *request,
            WebdavResource *response,
            VFSFile *file,
            WebdavPList **setInOut,
            WebdavPList **removeInOut)
{
    return 0;
}

int webdav_xattr_proppatch_finish(
            WebdavProppatchRequest *request,
            WebdavResource *response,
            VFSFile *file,
            WSBool commit)
{
    return 0;
}