/*!
* \internal
* \brief Adds a path header to an outgoing 2XX response
*
* \param endpoint The endpoint to which the INVITE response is to be sent
* \param contact The contact to which the INVITE response is to be sent
* \param tdata The outbound INVITE response
*/
static void path_outgoing_response(struct ast_sip_endpoint *endpoint, struct ast_sip_contact *contact, pjsip_tx_data *tdata)
{
struct pjsip_status_line status = tdata->msg->line.status;
pj_str_t path_dup;
pjsip_generic_string_hdr *path_hdr;
pjsip_contact_hdr *contact_hdr;
RAII_VAR(struct ast_sip_aor *, aor, NULL, ao2_cleanup);
pjsip_cseq_hdr *cseq = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CSEQ, NULL);
const pj_str_t REGISTER_METHOD = {"REGISTER", 8};
if (!endpoint
|| !pj_stristr(®ISTER_METHOD, &cseq->method.name)
|| !PJSIP_IS_STATUS_IN_CLASS(status.code, 200)) {
return;
}
contact_hdr = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_CONTACT, NULL);
if (!contact_hdr) {
return;
}
aor = find_aor(endpoint, contact_hdr->uri);
if (!aor || !aor->support_path || add_supported(tdata)
|| path_get_string(tdata->pool, contact, &path_dup)) {
return;
}
path_hdr = pjsip_generic_string_hdr_create(tdata->pool, &PATH_NAME, &path_dup);
if (!path_hdr) {
return;
}
pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)path_hdr);
}
/*!
* \internal
* \brief Adds a Route header to an outgoing request if
* path information is available.
*
* \param endpoint The endpoint with which this request is associated
* \param contact The contact to which this request is being sent
* \param tdata The outbound request
*/
static void path_outgoing_request(struct ast_sip_endpoint *endpoint, struct ast_sip_contact *contact, pjsip_tx_data *tdata)
{
RAII_VAR(struct ast_sip_aor *, aor, NULL, ao2_cleanup);
if (!endpoint) {
return;
}
aor = find_aor(endpoint, tdata->msg->line.req.uri);
if (!aor || !aor->support_path) {
return;
}
if (add_supported(tdata)) {
return;
}
if (contact && !ast_strlen_zero(contact->path)) {
ast_sip_set_outbound_proxy(tdata, contact->path);
}
}
static dav_prop_insert dav_acl_insert_prop(const dav_resource *resource,
int propid, dav_prop_insert what,
apr_text_header *phdr)
{
const char *value = NULL;
const char *s = NULL;
apr_pool_t *p = resource->pool;
const dav_liveprop_spec *info;
int global_ns, rc;
if (!resource->exists)
return DAV_PROP_INSERT_NOTDEF;
/* ### we may want to respond to DAV_PROPID_resourcetype for PRIVATE
### resources. need to think on "proper" interaction with mod_dav */
switch (propid) {
case ACL_PROPID_acl:
if (what == DAV_PROP_INSERT_VALUE) {
/* request_rec *r = resource->hooks->get_request_rec(resource) */;
xmlBufferPtr buf = NULL;
const char *pch = NULL;
xmlDocPtr doc;
xmlNodePtr node;
rc = dav_acl_get_acl(resource, &pch, &rc);
if (rc < 0)
return DAV_PROP_INSERT_NOTDEF;
doc = xmlParseMemory(pch, rc);
node = doc && doc->children ? doc->children : NULL;
buf = xmlBufferCreate();
xmlNodeDump(buf, doc, node, 0, 1);
xmlFreeDoc(doc);
apr_text_append(p, phdr, apr_psprintf (p, "%s" DEBUG_CR,
buf->content));
/* we inserted whatever was asked for */
xmlBufferFree(buf);
return what;
}
break;
case ACL_PROPID_acl_restrictions:
value = "<D:required-principal>"
"<D:authenticated/>"
"<D:unauthenticated/>"
"<D:self/>"
"<D:all/>"
"<D:href/>"
"<D:property><D:owner/></D:property>"
"<D:property><D:group/></D:property>"
"</D:required-principal>";
break;
case ACL_PROPID_supported_privilege_set:
if (what == DAV_PROP_INSERT_VALUE) {
xmlBufferPtr buf = NULL;
xmlDocPtr doc = xmlNewDoc((const xmlChar *) XML_VERSION);
xmlNsPtr ns;
xmlNodePtr cur, child, node;
int acl, cups;
dav_acl_get_aggregated(resource, &acl, &cups);
doc->children = xmlNewDocNode(doc, NULL,
(const xmlChar *) "root", NULL);
xmlSetNs(doc->children,
ns = xmlNewNs(doc->children, (const xmlChar *) "DAV:",
(const xmlChar *) "D"));
node = xmlNewChild(doc->children, ns,
(const xmlChar *) "supported-privilege-set",
NULL);
cur = add_supported(node, ns, "all", 0, "All privileges");
child = add_supported(cur, ns, "read", 0, "Read");
add_supported(acl ? child : cur, ns, "read-acl", 0, "Read ACL");
add_supported(cups ? child : cur, ns,
"read-current-user-privilege-set", 0,
"Read Current User");
child = add_supported(cur, ns, "write", 0, "Write");
add_supported(child, ns, "write-acl", 0, "Write ACL");
add_supported(child, ns, "write-content", 0, "Write content");
add_supported(child, ns, "write-properties", 0,
"Write properties");
if (resource->collection) {
add_supported(child, ns, "bind", 0, "Create a collection");
add_supported(child, ns, "unbind", 0, "Remove a collection");
}
add_supported(cur, ns, "unlock", 0, "Unlock");
buf = xmlBufferCreate();
xmlNodeDump(buf, doc, node, 0, 1);
xmlFreeDoc(doc);
apr_text_append(p, phdr, apr_psprintf(p, "%s" DEBUG_CR,
buf->content));
/* we inserted whatever was asked for */
xmlBufferFree(buf);
return what;
}
break;
case ACL_PROPID_group_membership:
value = dav_acl_get_group_membership(resource);
if (value == NULL)
return DAV_PROP_INSERT_NOTDEF;
break;
case ACL_PROPID_owner:
value = dav_acl_get_owner(resource);
if (value == NULL)
return DAV_PROP_INSERT_NOTDEF;
break;
case ACL_PROPID_alternate_uri_set:
value = ""; /* may be empty */
break;
case ACL_PROPID_inherited_acl_set:
value = ""; /* not supported because of complexity... */
break;
case ACL_PROPID_current_user_privilege_set:
value = dav_acl_get_privs(resource);
break;
case ACL_PROPID_principal_collection_set:
{
request_rec *r = resource->hooks->get_request_rec(resource);
const char *pcsz = dav_acl_get_principals(r);
value = apr_psprintf(p, "<D:href>%s/</D:href>", pcsz ? pcsz : "");
}
break;
case ACL_PROPID_current_user_principal:
value = dav_acl_get_auth_principal(resource);
if (value)
value = apr_psprintf(p, "<D:href>%s</D:href>", value);
else
value = "<D:unauthenticated/>";
break;
default:
/* ### what the heck was this property? */
return DAV_PROP_INSERT_NOTDEF;
}
/* assert: value != NULL */
/* get the information and global NS index for the property */
global_ns = dav_get_liveprop_info(propid, &dav_acl_liveprop_group, &info);
/* assert: info != NULL && info->name != NULL */
if (what == DAV_PROP_INSERT_VALUE)
s = apr_psprintf(p, "<lp%d:%s>%s</lp%d:%s>" DEBUG_CR,
global_ns, info->name, value, global_ns, info->name);
else if (what == DAV_PROP_INSERT_NAME)
s = apr_psprintf(p, "<lp%d:%s/>" DEBUG_CR, global_ns, info->name);
else
/* assert: what == DAV_PROP_INSERT_SUPPORTED */
s = apr_psprintf(p,
"<D:supported-live-property D:name=\"%s\" "
"D:namespace=\"%s\"/>" DEBUG_CR,
info->name, dav_acl_namespace_uris[info->ns]);
apr_text_append(p, phdr, s);
/* we inserted whatever was asked for */
return what;
}