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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "httpd.h"
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#include "util_xml.h"
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#include "apr_strings.h"
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#include "ap_provider.h"
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#include "mod_dav.h"
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/* forward-declare */
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static const dav_hooks_liveprop dav_core_hooks_liveprop;
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/*
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** The namespace URIs that we use. There will only ever be "DAV:".
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*/
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static const char * const dav_core_namespace_uris[] =
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{
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"DAV:",
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NULL /* sentinel */
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};
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/*
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** Define each of the core properties that this provider will handle.
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** Note that all of them are in the DAV: namespace, which has a
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** provider-local index of 0.
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*/
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static const dav_liveprop_spec dav_core_props[] =
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{
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{ 0, "comment", DAV_PROPID_comment, 1 },
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{ 0, "creator-displayname", DAV_PROPID_creator_displayname, 1 },
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{ 0, "displayname", DAV_PROPID_displayname, 1 },
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{ 0, "resourcetype", DAV_PROPID_resourcetype, 0 },
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{ 0, "source", DAV_PROPID_source, 1 },
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{ 0 } /* sentinel */
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};
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static const dav_liveprop_group dav_core_liveprop_group =
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{
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dav_core_props,
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dav_core_namespace_uris,
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&dav_core_hooks_liveprop
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};
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static dav_prop_insert dav_core_insert_prop(const dav_resource *resource,
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int propid, dav_prop_insert what,
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apr_text_header *phdr)
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{
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const char *value = NULL;
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const char *s;
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apr_pool_t *p = resource->pool;
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const dav_liveprop_spec *info;
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long global_ns;
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switch (propid)
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{
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case DAV_PROPID_resourcetype:
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{ /* additional type info provided by external modules ? */
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int i;
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apr_array_header_t *extensions =
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ap_list_provider_names(p, DAV_RESOURCE_TYPE_GROUP, "0");
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ap_list_provider_names_t *entry =
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(ap_list_provider_names_t *)extensions->elts;
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for (i = 0; i < extensions->nelts; i++, entry++) {
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const dav_resource_type_provider *res_hooks =
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dav_get_resource_type_providers(entry->provider_name);
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const char *name = NULL, *uri = NULL;
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if (!res_hooks || !res_hooks->get_resource_type)
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continue;
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if (!res_hooks->get_resource_type(resource, &name, &uri) &&
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name) {
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if (!uri || !strcasecmp(uri, "DAV:"))
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value = apr_pstrcat(p, value ? value : "",
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"<D:", name, "/>", NULL);
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else
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value = apr_pstrcat(p, value ? value : "",
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"
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" xmlns:x=\"", uri,
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"\"/>", NULL);
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}
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}
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}
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switch (resource->type) {
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case DAV_RESOURCE_TYPE_VERSION:
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if (resource->baselined) {
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value = apr_pstrcat(p, value ? value : "", "<D:baseline/>", NULL);
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break;
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}
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/* fall through */
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case DAV_RESOURCE_TYPE_REGULAR:
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case DAV_RESOURCE_TYPE_WORKING:
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if (resource->collection) {
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value = apr_pstrcat(p, value ? value : "", "<D:collection/>", NULL);
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}
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else {
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/* ### should we denote lock-null resources? */
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if (value == NULL) {
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value = ""; /* becomes: <D:resourcetype/> */
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}
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}
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break;
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case DAV_RESOURCE_TYPE_HISTORY:
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value = apr_pstrcat(p, value ? value : "", "<D:version-history/>", NULL);
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break;
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case DAV_RESOURCE_TYPE_WORKSPACE:
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value = apr_pstrcat(p, value ? value : "", "<D:collection/>", NULL);
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break;
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case DAV_RESOURCE_TYPE_ACTIVITY:
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value = apr_pstrcat(p, value ? value : "", "<D:activity/>", NULL);
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break;
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default:
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/* ### bad juju */
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return DAV_PROP_INSERT_NOTDEF;
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}
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break;
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case DAV_PROPID_comment:
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case DAV_PROPID_creator_displayname:
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case DAV_PROPID_displayname:
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case DAV_PROPID_source:
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default:
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/*
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** This property is known, but not defined as a liveprop. However,
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** it may be a dead property.
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*/
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return DAV_PROP_INSERT_NOTDEF;
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}
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/* assert: value != NULL */
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/* get the information and global NS index for the property */
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global_ns = dav_get_liveprop_info(propid, &dav_core_liveprop_group, &info;;
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/* assert: info != NULL && info->name != NULL */
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if (what == DAV_PROP_INSERT_SUPPORTED) {
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s = apr_psprintf(p,
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"
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"D:namespace=\"%s\"/>" DEBUG_CR,
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info->name, dav_core_namespace_uris[info->ns]);
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}
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else if (what == DAV_PROP_INSERT_VALUE && *value != '\0') {
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s = apr_psprintf(p, "<lp%ld:%s>%s</lp%ld:%s>" DEBUG_CR,
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global_ns, info->name, value, global_ns, info->name);
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}
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else {
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s = apr_psprintf(p, "<lp%ld:%s/>" DEBUG_CR, global_ns, info->name);
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}
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apr_text_append(p, phdr, s);
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/* we inserted what was asked for */
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return what;
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}
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static int dav_core_is_writable(const dav_resource *resource, int propid)
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{
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const dav_liveprop_spec *info;
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(void) dav_get_liveprop_info(propid, &dav_core_liveprop_group, &info;;
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return info->is_writable;
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}
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static dav_error * dav_core_patch_validate(const dav_resource *resource,
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const apr_xml_elem *elem,
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int operation, void **context,
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int *defer_to_dead)
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{
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/* all of our writable props go in the dead prop database */
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*defer_to_dead = 1;
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return NULL;
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}
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static const dav_hooks_liveprop dav_core_hooks_liveprop = {
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dav_core_insert_prop,
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dav_core_is_writable,
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dav_core_namespace_uris,
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dav_core_patch_validate,
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NULL, /* patch_exec */
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NULL, /* patch_commit */
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NULL, /* patch_rollback */
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};
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DAV_DECLARE_NONSTD(int) dav_core_find_liveprop(
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const dav_resource *resource,
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const char *ns_uri, const char *name,
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const dav_hooks_liveprop **hooks)
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{
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return dav_do_find_liveprop(ns_uri, name, &dav_core_liveprop_group, hooks);
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}
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DAV_DECLARE_NONSTD(void) dav_core_insert_all_liveprops(
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request_rec *r,
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const dav_resource *resource,
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dav_prop_insert what,
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apr_text_header *phdr)
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{
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(void) dav_core_insert_prop(resource, DAV_PROPID_resourcetype,
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what, phdr);
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}
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DAV_DECLARE_NONSTD(void) dav_core_register_uris(apr_pool_t *p)
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{
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/* register the namespace URIs */
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dav_register_liveprop_group(p, &dav_core_liveprop_group);
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}
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