/* It is RECOMMENDED to only cancel INVITE request */
int
generating_cancel (osip_message_t ** dest, osip_message_t * request_cancelled)
{
int i;
osip_message_t *request;
i = osip_message_init (&request);
if (i != 0)
return i;
/* prepare the request-line */
osip_message_set_method (request, osip_strdup ("CANCEL"));
osip_message_set_version (request, osip_strdup ("SIP/2.0"));
osip_message_set_status_code (request, 0);
osip_message_set_reason_phrase (request, NULL);
i = osip_uri_clone (request_cancelled->req_uri, &(request->req_uri));
if (i != 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
i = osip_to_clone (request_cancelled->to, &(request->to));
if (i != 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
i = osip_from_clone (request_cancelled->from, &(request->from));
if (i != 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
/* set the cseq and call_id header */
i = osip_call_id_clone (request_cancelled->call_id, &(request->call_id));
if (i != 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
i = osip_cseq_clone (request_cancelled->cseq, &(request->cseq));
if (i != 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
osip_free (request->cseq->method);
request->cseq->method = osip_strdup ("CANCEL");
if (request->cseq->method == NULL)
{
osip_message_free (request);
*dest = NULL;
return OSIP_NOMEM;
}
/* copy ONLY the top most Via Field (this method is also used by proxy) */
{
osip_via_t *via;
osip_via_t *via2;
i = osip_message_get_via (request_cancelled, 0, &via);
if (i < 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
i = osip_via_clone (via, &via2);
if (i != 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
osip_list_add (&request->vias, via2, -1);
}
/* add the same route-set than in the previous request */
{
int pos = 0;
osip_route_t *route;
osip_route_t *route2;
while (!osip_list_eol (&request_cancelled->routes, pos))
{
route = (osip_route_t *) osip_list_get (&request_cancelled->routes, pos);
i = osip_route_clone (route, &route2);
if (i != 0)
{
osip_message_free (request);
*dest = NULL;
return i;
}
osip_list_add (&request->routes, route2, -1);
pos++;
}
}
osip_message_set_max_forwards (request, "70"); /* a UA should start a request with 70 */
osip_message_set_user_agent (request, eXosip.user_agent);
*dest = request;
return OSIP_SUCCESS;
}
osip_message_t *ict_create_ack(osip_transaction_t * ict, osip_message_t * response)
{
int i;
osip_message_t *ack;
i = osip_message_init(&ack);
if (i != 0)
return NULL;
/* Section 17.1.1.3: Construction of the ACK request: */
i = osip_from_clone(response->from, &(ack->from));
if (i != 0) {
osip_message_free(ack);
return NULL;
}
i = osip_to_clone(response->to, &(ack->to)); /* include the tag! */
if (i != 0) {
osip_message_free(ack);
return NULL;
}
i = osip_call_id_clone(response->call_id, &(ack->call_id));
if (i != 0) {
osip_message_free(ack);
return NULL;
}
i = osip_cseq_clone(response->cseq, &(ack->cseq));
if (i != 0) {
osip_message_free(ack);
return NULL;
}
osip_free(ack->cseq->method);
ack->cseq->method = osip_strdup("ACK");
if (ack->cseq->method == NULL) {
osip_message_free(ack);
return NULL;
}
ack->sip_method = (char *) osip_malloc(5);
if (ack->sip_method == NULL) {
osip_message_free(ack);
return NULL;
}
sprintf(ack->sip_method, "ACK");
ack->sip_version = osip_strdup(ict->orig_request->sip_version);
if (ack->sip_version == NULL) {
osip_message_free(ack);
return NULL;
}
ack->status_code = 0;
ack->reason_phrase = NULL;
/* MUST copy REQUEST-URI from Contact header! */
i = osip_uri_clone(ict->orig_request->req_uri, &(ack->req_uri));
if (i != 0) {
osip_message_free(ack);
return NULL;
}
/* ACK MUST contain only the TOP Via field from original request */
{
osip_via_t *via;
osip_via_t *orig_via;
osip_message_get_via(ict->orig_request, 0, &orig_via);
if (orig_via == NULL) {
osip_message_free(ack);
return NULL;
}
i = osip_via_clone(orig_via, &via);
if (i != 0) {
osip_message_free(ack);
return NULL;
}
osip_list_add(&ack->vias, via, -1);
}
/* ack MUST contains the ROUTE headers field from the original request */
/* IS IT TRUE??? */
/* if the answers contains a set of route (or record route), then it */
/* should be used instead?? ......May be not..... */
{
int pos = 0;
osip_route_t *route;
osip_route_t *orig_route;
while (!osip_list_eol(&ict->orig_request->routes, pos)) {
orig_route =
(osip_route_t *) osip_list_get(&ict->orig_request->routes, pos);
i = osip_route_clone(orig_route, &route);
if (i != 0) {
osip_message_free(ack);
return NULL;
}
osip_list_add(&ack->routes, route, -1);
pos++;
}
}
/* may be we could add some other headers: */
/* For example "Max-Forward" */
return ack;
}
static int
dialog_fill_route_set (osip_dialog_t * dialog, osip_message_t * request)
{
/* if the pre-existing route set contains a "lr" (compliance
with bis-08) then the req_uri should contains the remote target
URI */
int i;
int pos = 0;
osip_uri_param_t *lr_param;
osip_route_t *route;
char *last_route;
/* AMD bug: fixed 17/06/2002 */
route = (osip_route_t *) osip_list_get (&dialog->route_set, 0);
osip_uri_uparam_get_byname (route->url, "lr", &lr_param);
if (lr_param != NULL) /* the remote target URI is the req_uri! */
{
i = osip_uri_clone (dialog->remote_contact_uri->url, &(request->req_uri));
if (i != 0)
return i;
/* "[request] MUST includes a Route header field containing
the route set values in order." */
/* AMD bug: fixed 17/06/2002 */
pos = 0; /* first element is at index 0 */
while (!osip_list_eol (&dialog->route_set, pos))
{
osip_route_t *route2;
route = osip_list_get (&dialog->route_set, pos);
i = osip_route_clone (route, &route2);
if (i != 0)
return i;
osip_list_add (&request->routes, route2, -1);
pos++;
}
return OSIP_SUCCESS;
}
/* if the first URI of route set does not contain "lr", the req_uri
is set to the first uri of route set */
i = osip_uri_clone (route->url, &(request->req_uri));
if (i != 0)
return i;
/* add the route set */
/* "The UAC MUST add a route header field containing
the remainder of the route set values in order. */
pos = 0; /* yes it is */
while (!osip_list_eol (&dialog->route_set, pos)) /* not the first one in the list */
{
osip_route_t *route2;
route = osip_list_get (&dialog->route_set, pos);
i = osip_route_clone (route, &route2);
if (i != 0)
return i;
if (!osip_list_eol (&dialog->route_set, pos + 1))
osip_list_add (&request->routes, route2, -1);
else
osip_route_free (route2);
pos++;
}
/* The UAC MUST then place the remote target URI into
the route header field as the last value */
i = osip_uri_to_str (dialog->remote_contact_uri->url, &last_route);
if (i != 0)
return i;
i = osip_message_set_route (request, last_route);
osip_free (last_route);
if (i != 0)
{
return i;
}
/* route header and req_uri set */
return OSIP_SUCCESS;
}
int
osip_message_clone (const osip_message_t * sip, osip_message_t ** dest)
{
osip_message_t *copy;
int pos = 0;
int i;
if (sip == NULL)
return -1;
*dest = NULL;
i = osip_message_init (©);
if (i != 0)
return -1;
copy->sip_method = osip_strdup (sip->sip_method);
copy->sip_version = osip_strdup (sip->sip_version);
copy->status_code = sip->status_code;
copy->reason_phrase = osip_strdup (sip->reason_phrase);
if (sip->req_uri != NULL)
{
i = osip_uri_clone (sip->req_uri, &(copy->req_uri));
if (i != 0)
goto mc_error1;
}
{
osip_accept_t *accept;
osip_accept_t *accept2;
pos = 0;
while (!osip_list_eol (&sip->accepts, pos))
{
accept = (osip_accept_t *) osip_list_get (&sip->accepts, pos);
i = osip_accept_clone (accept, &accept2);
if (i != 0)
goto mc_error1;
osip_list_add (©->accepts, accept2, -1); /* insert as last element */
pos++;
}
}
{
osip_accept_encoding_t *accept_encoding;
osip_accept_encoding_t *accept_encoding2;
pos = 0;
while (!osip_list_eol (&sip->accept_encodings, pos))
{
accept_encoding =
(osip_accept_encoding_t *) osip_list_get (&sip->accept_encodings, pos);
i = osip_accept_encoding_clone (accept_encoding, &accept_encoding2);
if (i != 0)
goto mc_error1;
osip_list_add (©->accept_encodings, accept_encoding2, -1);
pos++;
}
}
{
osip_accept_language_t *accept_language;
osip_accept_language_t *accept_language2;
pos = 0;
while (!osip_list_eol (&sip->accept_languages, pos))
{
accept_language =
(osip_accept_language_t *) osip_list_get (&sip->accept_languages, pos);
i = osip_accept_language_clone (accept_language, &accept_language2);
if (i != 0)
goto mc_error1;
osip_list_add (©->accept_languages, accept_language2, -1);
pos++;
}
}
{
osip_alert_info_t *alert_info;
osip_alert_info_t *alert_info2;
pos = 0;
while (!osip_list_eol (&sip->alert_infos, pos))
{
alert_info = (osip_alert_info_t *) osip_list_get (&sip->alert_infos, pos);
i = osip_alert_info_clone (alert_info, &alert_info2);
if (i != 0)
goto mc_error1;
osip_list_add (©->alert_infos, alert_info2, -1);
pos++;
}
}
{
osip_allow_t *allow;
osip_allow_t *allow2;
pos = 0;
while (!osip_list_eol (&sip->allows, pos))
{
allow = (osip_allow_t *) osip_list_get (&sip->allows, pos);
i = osip_allow_clone (allow, &allow2);
if (i != 0)
goto mc_error1;
osip_list_add (©->allows, allow2, -1);
pos++;
}
}
{
osip_authentication_info_t *authentication_info;
osip_authentication_info_t *authentication_info2;
pos = 0;
while (!osip_list_eol (&sip->authentication_infos, pos))
{
authentication_info =
(osip_authentication_info_t *) osip_list_get (&sip->
authentication_infos, pos);
i =
osip_authentication_info_clone (authentication_info,
&authentication_info2);
if (i != 0)
goto mc_error1;
osip_list_add (©->authentication_infos, authentication_info2, -1);
pos++;
}
}
{
osip_authorization_t *authorization;
osip_authorization_t *authorization2;
pos = 0;
while (!osip_list_eol (&sip->authorizations, pos))
{
authorization =
(osip_authorization_t *) osip_list_get (&sip->authorizations, pos);
i = osip_authorization_clone (authorization, &authorization2);
if (i != 0)
goto mc_error1;
osip_list_add (©->authorizations, authorization2, -1);
pos++;
}
}
if (sip->call_id != NULL)
{
i = osip_call_id_clone (sip->call_id, &(copy->call_id));
if (i != 0)
goto mc_error1;
}
{
osip_call_info_t *call_info;
osip_call_info_t *call_info2;
pos = 0;
while (!osip_list_eol (&sip->call_infos, pos))
{
call_info = (osip_call_info_t *) osip_list_get (&sip->call_infos, pos);
i = osip_call_info_clone (call_info, &call_info2);
if (i != 0)
goto mc_error1;
osip_list_add (©->call_infos, call_info2, -1);
pos++;
}
}
{
osip_contact_t *contact;
osip_contact_t *contact2;
pos = 0;
while (!osip_list_eol (&sip->contacts, pos))
{
contact = (osip_contact_t *) osip_list_get (&sip->contacts, pos);
i = osip_contact_clone (contact, &contact2);
if (i != 0)
goto mc_error1;
osip_list_add (©->contacts, contact2, -1);
pos++;
}
}
{
osip_content_encoding_t *content_encoding;
osip_content_encoding_t *content_encoding2;
pos = 0;
while (!osip_list_eol (&sip->content_encodings, pos))
{
content_encoding =
(osip_content_encoding_t *) osip_list_get (&sip->content_encodings, pos);
i = osip_content_encoding_clone (content_encoding, &content_encoding2);
if (i != 0)
goto mc_error1;
osip_list_add (©->content_encodings, content_encoding2, -1);
pos++;
}
}
if (sip->content_length != NULL)
{
i = osip_content_length_clone (sip->content_length, &(copy->content_length));
if (i != 0)
goto mc_error1;
}
if (sip->content_type != NULL)
{
i = osip_content_type_clone (sip->content_type, &(copy->content_type));
if (i != 0)
goto mc_error1;
}
if (sip->cseq != NULL)
{
i = osip_cseq_clone (sip->cseq, &(copy->cseq));
if (i != 0)
goto mc_error1;
}
{
osip_error_info_t *error_info;
osip_error_info_t *error_info2;
pos = 0;
while (!osip_list_eol (&sip->error_infos, pos))
{
error_info = (osip_error_info_t *) osip_list_get (&sip->error_infos, pos);
i = osip_error_info_clone (error_info, &error_info2);
if (i != 0)
goto mc_error1;
osip_list_add (©->error_infos, error_info2, -1);
pos++;
}
}
if (sip->from != NULL)
{
i = osip_from_clone (sip->from, &(copy->from));
if (i != 0)
goto mc_error1;
}
if (sip->mime_version != NULL)
{
i = osip_mime_version_clone (sip->mime_version, &(copy->mime_version));
if (i != 0)
goto mc_error1;
}
{
osip_proxy_authenticate_t *proxy_authenticate;
osip_proxy_authenticate_t *proxy_authenticate2;
pos = 0;
while (!osip_list_eol (&sip->proxy_authenticates, pos))
{
proxy_authenticate =
(osip_proxy_authenticate_t *) osip_list_get (&sip->
proxy_authenticates, pos);
i =
osip_proxy_authenticate_clone (proxy_authenticate, &proxy_authenticate2);
if (i != 0)
goto mc_error1;
osip_list_add (©->proxy_authenticates, proxy_authenticate2, -1);
pos++;
}
}
{
osip_proxy_authentication_info_t *proxy_authentication_info;
osip_proxy_authentication_info_t *proxy_authentication_info2;
pos = 0;
while (!osip_list_eol (&sip->proxy_authentication_infos, pos))
{
proxy_authentication_info =
(osip_proxy_authentication_info_t *) osip_list_get (&sip->
proxy_authentication_infos,
pos);
i =
osip_proxy_authentication_info_clone (proxy_authentication_info,
&proxy_authentication_info2);
if (i != 0)
goto mc_error1;
osip_list_add (©->proxy_authentication_infos,
proxy_authentication_info2, -1);
pos++;
}
}
{
osip_proxy_authorization_t *proxy_authorization;
osip_proxy_authorization_t *proxy_authorization2;
pos = 0;
while (!osip_list_eol (&sip->proxy_authorizations, pos))
{
proxy_authorization =
(osip_proxy_authorization_t *) osip_list_get (&sip->
proxy_authorizations, pos);
i =
osip_proxy_authorization_clone (proxy_authorization,
&proxy_authorization2);
if (i != 0)
goto mc_error1;
osip_list_add (©->proxy_authorizations, proxy_authorization2, -1);
pos++;
}
}
{
osip_record_route_t *record_route;
osip_record_route_t *record_route2;
pos = 0;
while (!osip_list_eol (&sip->record_routes, pos))
{
record_route =
(osip_record_route_t *) osip_list_get (&sip->record_routes, pos);
i = osip_record_route_clone (record_route, &record_route2);
if (i != 0)
goto mc_error1;
osip_list_add (©->record_routes, record_route2, -1);
pos++;
}
}
{
osip_route_t *route;
osip_route_t *route2;
pos = 0;
while (!osip_list_eol (&sip->routes, pos))
{
route = (osip_route_t *) osip_list_get (&sip->routes, pos);
i = osip_route_clone (route, &route2);
if (i != 0)
goto mc_error1;
osip_list_add (©->routes, route2, -1);
pos++;
}
}
if (sip->to != NULL)
{
i = osip_to_clone (sip->to, &(copy->to));
if (i != 0)
goto mc_error1;
}
{
osip_via_t *via;
osip_via_t *via2;
pos = 0;
while (!osip_list_eol (&sip->vias, pos))
{
via = (osip_via_t *) osip_list_get (&sip->vias, pos);
i = osip_via_clone (via, &via2);
if (i != 0)
goto mc_error1;
osip_list_add (©->vias, via2, -1);
pos++;
}
}
{
osip_www_authenticate_t *www_authenticate;
osip_www_authenticate_t *www_authenticate2;
pos = 0;
while (!osip_list_eol (&sip->www_authenticates, pos))
{
www_authenticate =
(osip_www_authenticate_t *) osip_list_get (&sip->www_authenticates, pos);
i = osip_www_authenticate_clone (www_authenticate, &www_authenticate2);
if (i != 0)
goto mc_error1;
osip_list_add (©->www_authenticates, www_authenticate2, -1);
pos++;
}
}
{
osip_header_t *header;
osip_header_t *header2;
pos = 0;
while (!osip_list_eol (&sip->headers, pos))
{
header = (osip_header_t *) osip_list_get (&sip->headers, pos);
i = osip_header_clone (header, &header2);
if (i != 0)
goto mc_error1;
osip_list_add (©->headers, header2, -1);
pos++;
}
}
{
osip_body_t *body;
osip_body_t *body2;
pos = 0;
while (!osip_list_eol (&sip->bodies, pos))
{
body = (osip_body_t *) osip_list_get (&sip->bodies, pos);
i = osip_body_clone (body, &body2);
if (i != 0)
goto mc_error1;
osip_list_add (©->bodies, body2, -1);
pos++;
}
}
copy->message_length = sip->message_length;
copy->message = osip_strdup (sip->message);
copy->message_property = sip->message_property;
*dest = copy;
return 0;
mc_error1:
osip_message_free (copy);
return -1;
}
