void sal_call_send_vfu_request(SalOp *op){
char info_body[] =
"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
"<media_control>"
" <vc_primitive>"
" <to_encoder>"
" <picture_fast_update></picture_fast_update>"
" </to_encoder>"
" </vc_primitive>"
"</media_control>";
size_t content_lenth = sizeof(info_body) - 1;
belle_sip_dialog_state_t dialog_state=op->dialog?belle_sip_dialog_get_state(op->dialog):BELLE_SIP_DIALOG_NULL; /*no dialog = dialog in NULL state*/
if (dialog_state == BELLE_SIP_DIALOG_CONFIRMED) {
belle_sip_request_t* info = belle_sip_dialog_create_queued_request(op->dialog,"INFO");
int error=TRUE;
if (info) {
belle_sip_message_add_header(BELLE_SIP_MESSAGE(info),BELLE_SIP_HEADER(belle_sip_header_content_type_create("application","media_control+xml")));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(info),BELLE_SIP_HEADER(belle_sip_header_content_length_create(content_lenth)));
belle_sip_message_set_body(BELLE_SIP_MESSAGE(info),info_body,content_lenth);
error=sal_op_send_request(op,info);
}
if (error)
ms_warning("Cannot send vfu request to [%s] ", sal_op_get_to(op));
} else {
ms_warning("Cannot send vfu request to [%s] because dialog [%p] in wrong state [%s]",sal_op_get_to(op)
,op->dialog
,belle_sip_dialog_state_to_string(dialog_state));
}
return ;
}
static belle_sip_request_t *create_presence_notify(SalOp *op){
belle_sip_request_t* notify=belle_sip_dialog_create_queued_request(op->dialog,"NOTIFY");
if (!notify) return NULL;
belle_sip_message_add_header((belle_sip_message_t*)notify,belle_sip_header_create("Event","presence"));
return notify;
}
static belle_sip_request_t *_belle_sip_dialog_create_request_from(belle_sip_dialog_t *obj, const belle_sip_request_t *initial_req, int queued){
belle_sip_request_t* req;
const char *method=belle_sip_request_get_method(initial_req);
belle_sip_header_content_length_t* content_lenth;
belle_sip_list_t* headers;
if (queued) req=belle_sip_dialog_create_queued_request(obj,method);
else req=belle_sip_dialog_create_request(obj,method);
if (req==NULL) return NULL;
content_lenth = belle_sip_message_get_header_by_type(initial_req,belle_sip_header_content_length_t);
/*first copy non system headers*/
headers = belle_sip_message_get_all_headers(BELLE_SIP_MESSAGE(initial_req));
belle_sip_list_for_each2(headers,(void (*)(void *, void *))copy_non_system_headers,req);
belle_sip_list_free(headers);
/*replicate via user parameters, if any, useful for 'alias' parameter in SUBSCRIBE requests*/
{
belle_sip_header_via_t *orig_via=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(initial_req),belle_sip_header_via_t);
belle_sip_header_via_t *new_via=belle_sip_message_get_header_by_type(BELLE_SIP_MESSAGE(req),belle_sip_header_via_t);
belle_sip_parameters_copy_parameters_from(BELLE_SIP_PARAMETERS(new_via),BELLE_SIP_PARAMETERS(orig_via));
}
/*copy body*/
if (content_lenth && belle_sip_header_content_length_get_content_length(content_lenth)>0) {
belle_sip_message_set_body(BELLE_SIP_MESSAGE(req),belle_sip_message_get_body(BELLE_SIP_MESSAGE(initial_req)),belle_sip_header_content_length_get_content_length(content_lenth));
}
return req;
}
int sal_message_send(SalOp *op, const char *from, const char *to, const char* content_type, const char *msg){
belle_sip_request_t* req;
char content_type_raw[256];
size_t content_length = msg?strlen(msg):0;
time_t curtime=time(NULL);
if (op->dialog){
/*for SIP MESSAGE that are sent in call's dialog*/
req=belle_sip_dialog_create_queued_request(op->dialog,"MESSAGE");
}else{
sal_op_message_fill_cbs(op);
if (from)
sal_op_set_from(op,from);
if (to)
sal_op_set_to(op,to);
op->dir=SalOpDirOutgoing;
req=sal_op_build_request(op,"MESSAGE");
if (sal_op_get_contact_address(op)){
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(sal_op_create_contact(op)));
}
}
snprintf(content_type_raw,sizeof(content_type_raw),BELLE_SIP_CONTENT_TYPE ": %s",content_type);
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_content_type_parse(content_type_raw)));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_content_length_create(content_length)));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_date_create_from_time(&curtime)));
belle_sip_message_set_body(BELLE_SIP_MESSAGE(req),msg,content_length);
return sal_op_send_request(op,req);
}
int sal_notify_close(SalOp *op){
belle_sip_request_t* notify;
if (!op->dialog) return -1;
if (!(notify=belle_sip_dialog_create_queued_request(op->dialog,"NOTIFY"))) return -1;
if (op->event) belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify),op->event);
belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify)
,BELLE_SIP_HEADER(belle_sip_header_subscription_state_create(BELLE_SIP_SUBSCRIPTION_STATE_TERMINATED,-1)));
return sal_op_send_request(op,notify);
}
int sal_send_info(SalOp *op, const char *from, const char *to, const SalBodyHandler *body_handler){
if (op->dialog){
belle_sip_request_t *req;
belle_sip_dialog_enable_pending_trans_checking(op->dialog,op->base.root->pending_trans_checking);
req=belle_sip_dialog_create_queued_request(op->dialog,"INFO");
belle_sip_message_set_body_handler(BELLE_SIP_MESSAGE(req), BELLE_SIP_BODY_HANDLER(body_handler));
return sal_op_send_request(op,req);
}
return -1;
}
static int send_notify_for_refer(SalOp* op, int code, const char *reason){
belle_sip_request_t* notify=belle_sip_dialog_create_queued_request(op->dialog,"NOTIFY");
char *sipfrag=belle_sip_strdup_printf("SIP/2.0 %i %s\r\n",code,reason);
size_t content_length=strlen(sipfrag);
belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify)
,BELLE_SIP_HEADER(belle_sip_header_subscription_state_create(BELLE_SIP_SUBSCRIPTION_STATE_ACTIVE,-1)));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify),belle_sip_header_create("Event","refer"));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify),BELLE_SIP_HEADER(belle_sip_header_content_type_create("message","sipfrag")));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify),BELLE_SIP_HEADER(belle_sip_header_content_length_create(content_length)));
belle_sip_message_assign_body(BELLE_SIP_MESSAGE(notify),sipfrag,content_length);
return sal_op_send_request(op,notify);
}
int sal_notify(SalOp *op, const SalBody *body){
belle_sip_request_t* notify;
if (!op->dialog) return -1;
if (!(notify=belle_sip_dialog_create_queued_request(op->dialog,"NOTIFY"))) return -1;
if (op->event) belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify),op->event);
belle_sip_message_add_header(BELLE_SIP_MESSAGE(notify)
,BELLE_SIP_HEADER(belle_sip_header_subscription_state_create(BELLE_SIP_SUBSCRIPTION_STATE_ACTIVE,600)));
sal_op_add_body(op,(belle_sip_message_t*)notify, body);
return sal_op_send_request(op,notify);
}
int sal_call_send_dtmf(SalOp *h, char dtmf){
if (h->dialog && (belle_sip_dialog_get_state(h->dialog) == BELLE_SIP_DIALOG_CONFIRMED || belle_sip_dialog_get_state(h->dialog) == BELLE_SIP_DIALOG_EARLY)){
belle_sip_request_t *req=belle_sip_dialog_create_queued_request(h->dialog,"INFO");
if (req){
int bodylen;
char dtmf_body[128]={0};
snprintf(dtmf_body, sizeof(dtmf_body)-1, "Signal=%c\r\nDuration=250\r\n", dtmf);
bodylen=strlen(dtmf_body);
belle_sip_message_set_body((belle_sip_message_t*)req,dtmf_body,bodylen);
belle_sip_message_add_header((belle_sip_message_t*)req,(belle_sip_header_t*)belle_sip_header_content_length_create(bodylen));
belle_sip_message_add_header((belle_sip_message_t*)req,(belle_sip_header_t*)belle_sip_header_content_type_create("application", "dtmf-relay"));
sal_op_send_request(h,req);
}else ms_error("sal_call_send_dtmf(): could not build request");
}else ms_error("sal_call_send_dtmf(): no dialog");
return 0;
}
int sal_message_send(SalOp *op, const char *from, const char *to, const char* content_type, const char *msg, const char *peer_uri){
belle_sip_request_t* req;
char content_type_raw[256];
size_t content_length = msg?strlen(msg):0;
time_t curtime = time(NULL);
uint8_t *multipartEncryptedMessage = NULL;
int retval;
if (op->dialog){
/*for SIP MESSAGE that are sent in call's dialog*/
req = belle_sip_dialog_create_queued_request(op->dialog,"MESSAGE");
}else{
sal_op_message_fill_cbs(op);
if (from)
sal_op_set_from(op, from);
if (to)
sal_op_set_to(op, to);
op->dir = SalOpDirOutgoing;
req = sal_op_build_request(op,"MESSAGE");
if (req == NULL ){
return -1;
}
if (sal_op_get_contact_address(op)){
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req), BELLE_SIP_HEADER(sal_op_create_contact(op)));
}
}
/* shall we try to encrypt the message?*/
if ((strcmp(content_type, "xml/cipher") == 0) || ((strcmp(content_type, "application/cipher.vnd.gsma.rcs-ft-http+xml") == 0))) {
/* access the zrtp cache to get keys needed to cipher the message */
LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
FILE *CACHEFD = fopen(lc->zrtp_secrets_cache, "rb+");
if (CACHEFD == NULL) {
ms_warning("Unable to access ZRTP ZID cache to encrypt message");
/*probably not a good idea to do this:*/
sal_error_info_set(&op->error_info, SalReasonNotAcceptable, 488, "Unable to encrypt IM", NULL);
op->base.root->callbacks.text_delivery_update(op,SalTextDeliveryFailed);
return -1;
} else {
size_t cacheSize;
char *cacheString;
xmlDocPtr cacheXml;
int retval;
cacheString=ms_load_file_content(CACHEFD, &cacheSize);
if (!cacheString){
ms_warning("Unable to load content of ZRTP ZID cache to encrypt message");
return -1;
}
cacheString[cacheSize] = '\0';
cacheSize += 1;
fclose(CACHEFD);
cacheXml = xmlParseDoc((xmlChar*)cacheString);
ms_free(cacheString);
retval = lime_createMultipartMessage(cacheXml, (uint8_t *)msg, (uint8_t *)peer_uri, &multipartEncryptedMessage);
if (retval != 0) {
ms_warning("Unable to encrypt message for %s : %s - op [%p]", peer_uri, lime_error_code_to_string(retval), op);
xmlFreeDoc(cacheXml);
free(multipartEncryptedMessage);
/*probably not a good idea to do this:*/
sal_error_info_set(&op->error_info, SalReasonNotAcceptable, 488, "Unable to encrypt IM", NULL);
op->base.root->callbacks.text_delivery_update(op,SalTextDeliveryFailed);
return -1;
} else {
/* dump updated cache to a string */
xmlChar *xmlStringOutput;
int xmlStringLength;
xmlDocDumpFormatMemoryEnc(cacheXml, &xmlStringOutput, &xmlStringLength, "UTF-8", 0);
/* write it to the cache file */
CACHEFD = fopen(lc->zrtp_secrets_cache, "wb+");
if (fwrite(xmlStringOutput, 1, xmlStringLength, CACHEFD)<=0){
ms_warning("Unable to write zid cache");
}
xmlFree(xmlStringOutput);
fclose(CACHEFD);
content_length = strlen((const char *)multipartEncryptedMessage);
}
xmlFreeDoc(cacheXml);
}
}
snprintf(content_type_raw,sizeof(content_type_raw),BELLE_SIP_CONTENT_TYPE ": %s",content_type);
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_content_type_parse(content_type_raw)));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_content_length_create(content_length)));
belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(belle_sip_header_date_create_from_time(&curtime)));
belle_sip_message_set_body(BELLE_SIP_MESSAGE(req),(multipartEncryptedMessage==NULL)?msg:(const char *)multipartEncryptedMessage,content_length);
retval = sal_op_send_request(op,req);
free(multipartEncryptedMessage);
return retval;
}
