void dialog_publish(char *state, struct to_body* entity, struct to_body *peer, str *callid,
unsigned int initiator, unsigned int lifetime, str *localtag, str *remotetag)
{
str* body= NULL;
publ_info_t publ;
int ret_code;
body= build_dialoginfo(state, entity, peer, callid, initiator, localtag, remotetag);
if(body == NULL || body->s == NULL)
{
LM_ERR("failed to construct dialoginfo body\n");
goto error;
}
memset(&publ, 0, sizeof(publ_info_t));
publ.pres_uri= &entity->uri;
publ.body = body;
publ.id = *callid;
publ.content_type.s= "application/dialog-info+xml";
publ.content_type.len= 27;
publ.expires= lifetime;
/* make UPDATE_TYPE, as if this "publish dialog" is not found
by pua it will fallback to INSERT_TYPE anyway */
publ.flag|= UPDATE_TYPE;
publ.source_flag|= DIALOG_PUBLISH;
publ.event|= DIALOG_EVENT;
publ.extra_headers= NULL;
publ.outbound_proxy = presence_server;
print_publ(&publ);
ret_code = pua_send_publish(&publ);
switch (ret_code) {
case ERR_PUBLISH_NO_ERROR:
case ERR_PUBLISH_NO_RECORD:
break;
default:
LM_ERR("sending publish failed for pres_uri [%.*s] to server [%.*s]\n",
publ.pres_uri->len, publ.pres_uri->s,
publ.outbound_proxy.len, publ.outbound_proxy.s);
}
error:
if(body)
{
if(body->s)
xmlFree(body->s);
pkg_free(body);
}
return;
}
void ul_publish(ucontact_t* c, int type, void* param)
{
str* body= NULL;
str uri= {NULL, 0};
char* at= NULL;
publ_info_t* publ= NULL;
int size= 0;
str content_type;
int error;
if(destroy_modules_phase()) return;
content_type.s= "application/pidf+xml";
content_type.len= 20;
if(pua_ul_publish==0 && pua_ul_bmask==0)
{
LM_INFO("should not send ul publish\n");
return;
}
if(pua_ul_bmask!=0 && (c->cflags & pua_ul_bmask)==0)
{
LM_INFO("not marked for publish\n");
return;
}
if(type & UL_CONTACT_DELETE) {
LM_DBG("\nDELETE type\n");
} else {
if(type & UL_CONTACT_INSERT) {
LM_DBG("\nINSERT type\n");
} else {
if(type & UL_CONTACT_UPDATE) {
LM_DBG("\nUPDATE type\n");
} else {
if(type & UL_CONTACT_EXPIRE) {
LM_DBG("\nEXPIRE type\n");
}
}
}
}
if(type & UL_CONTACT_INSERT)
{
body= build_pidf(c);
if(body == NULL || body->s == NULL)
goto error;
}
else
body = NULL;
uri.s = (char*)pkg_malloc(sizeof(char)*(c->aor->len+default_domain.len+6));
if(uri.s == NULL)
goto error;
memcpy(uri.s, "sip:", 4);
uri.len = 4;
memcpy(uri.s+ uri.len, c->aor->s, c->aor->len);
uri.len+= c->aor->len;
at = memchr(c->aor->s, '@', c->aor->len);
if(!at)
{
uri.s[uri.len++]= '@';
memcpy(uri.s+ uri.len, default_domain.s, default_domain.len);
uri.len+= default_domain.len;
}
LM_DBG("uri= %.*s\n", uri.len, uri.s);
size= sizeof(publ_info_t)+ sizeof(str)+( uri.len
+c->callid.len+ 12 + content_type.len)*sizeof(char);
if(body)
size+= sizeof(str)+ body->len* sizeof(char);
publ= (publ_info_t*)pkg_malloc(size);
if(publ== NULL)
{
LM_ERR("no more share memory\n");
goto error;
}
memset(publ, 0, size);
size= sizeof(publ_info_t);
publ->pres_uri= (str*)((char*)publ + size);
size+= sizeof(str);
publ->pres_uri->s= (char*)publ+ size;
memcpy(publ->pres_uri->s, uri.s, uri.len);
publ->pres_uri->len= uri.len;
size+= uri.len;
if(body)
{
publ->body= (str*)( (char*)publ + size);
size+= sizeof(str);
publ->body->s= (char*)publ + size;
memcpy(publ->body->s, body->s, body->len);
publ->body->len= body->len;
size+= body->len;
}
publ->id.s= (char*)publ+ size;
memcpy(publ->id.s, "UL_PUBLISH.", 11);
memcpy(publ->id.s+11, c->callid.s, c->callid.len);
publ->id.len= 11+ c->callid.len;
size+= publ->id.len;
publ->content_type.s= (char*)publ+ size;
memcpy(publ->content_type.s, content_type.s, content_type.len);
publ->content_type.len= content_type.len;
size+= content_type.len;
if(type & UL_CONTACT_EXPIRE || type & UL_CONTACT_DELETE)
publ->expires= 0;
else
publ->expires= c->expires - (int)time(NULL);
if(type & UL_CONTACT_INSERT)
publ->flag|= INSERT_TYPE;
else
publ->flag|= UPDATE_TYPE;
publ->source_flag|= UL_PUBLISH;
publ->event|= PRESENCE_EVENT;
publ->extra_headers= NULL;
print_publ(publ);
if((error=_pu_pua.send_publish(publ))< 0)
{
LM_ERR("failed sending publish for ul event %d\n", type);
if((type & UL_CONTACT_UPDATE) && error == ERR_PUBLISH_NO_BODY) {
/* This error can occur if Kamailio was restarted/stopped and for any reason couldn't store a pua
* entry in 'pua' DB table. It can also occur if 'pua' table is cleaned externally while Kamailio
* is stopped so cannot retrieve these entries from DB when restarting.
* In these cases, when a refresh registration for that user creates an UPDATE action in pua_usrloc,
* pua 'ul_publish()' would fail since the appropiate entry doesn't exist in pua hast table ("New
* PUBLISH and no body found - invalid request").
* This code solves this problem by invoking an INSERT action if an UPDATE action failed due to the
* above error. It will however generate a new presentity entry in the presence server (until the
* previous one expires), but this is a minor issue. */
LM_ERR("UPDATE action generated a PUBLISH without body -> invoking INSERT action\n");
ul_publish(c, UL_CONTACT_INSERT, param);
goto error;
}
}
error:
pua_ul_publish = 0;
if(publ)
pkg_free(publ);
if(body) {
if(body->s)
xmlFree(body->s);
pkg_free(body);
}
if(uri.s)
pkg_free(uri.s);
return;
}
void dialog_publish(char *state, str* ruri, str *entity, str *peer, str *callid,
unsigned int initiator, unsigned int lifetime, str *localtag, str *remotetag,
str *localtarget, str *remotetarget, unsigned short do_pubruri_localcheck)
{
str* body= NULL;
str uri= {NULL, 0};
publ_info_t* publ= NULL;
int size= 0;
str content_type;
struct sip_uri ruri_uri;
if (parse_uri(ruri->s, ruri->len, &ruri_uri) < 0) {
LM_ERR("failed to parse the PUBLISH R-URI\n");
return;
}
if(do_pubruri_localcheck) {
/* send PUBLISH only if the receiver PUBLISH R-URI is local*/
if (!check_self(&(ruri_uri.host), 0, 0)) {
LM_DBG("do not send PUBLISH to external URI %.*s\n",ruri->len, ruri->s);
return;
}
}
content_type.s= "application/dialog-info+xml";
content_type.len= 27;
body= build_dialoginfo(state, entity, peer, callid, initiator, localtag, remotetag, localtarget, remotetarget);
if(body == NULL || body->s == NULL)
goto error;
LM_DBG("publish uri= %.*s\n", ruri->len, ruri->s);
size= sizeof(publ_info_t)
+ sizeof(str) /* *pres_uri */
+ ( ruri->len /* pres_uri->s */
+ callid->len + 16 /* id.s */
+ content_type.len /* content_type.s */
)*sizeof(char);
if(body)
size+= sizeof(str)+ body->len* sizeof(char);
publ= (publ_info_t*)pkg_malloc(size);
if(publ== NULL)
{
LM_ERR("no more share memory\n");
goto error;
}
memset(publ, 0, size);
size= sizeof(publ_info_t);
publ->pres_uri= (str*)((char*)publ + size);
size+= sizeof(str);
publ->pres_uri->s= (char*)publ+ size;
memcpy(publ->pres_uri->s, ruri->s, ruri->len);
publ->pres_uri->len= ruri->len;
size+= ruri->len;
if(body)
{
publ->body= (str*)( (char*)publ + size);
size+= sizeof(str);
publ->body->s= (char*)publ + size;
memcpy(publ->body->s, body->s, body->len);
publ->body->len= body->len;
size+= body->len;
}
publ->id.s= (char*)publ+ size;
memcpy(publ->id.s, "DIALOG_PUBLISH.", 15);
memcpy(publ->id.s+15, callid->s, callid->len);
publ->id.len= 15+ callid->len;
size+= publ->id.len;
publ->content_type.s= (char*)publ+ size;
memcpy(publ->content_type.s, content_type.s, content_type.len);
publ->content_type.len= content_type.len;
size+= content_type.len;
publ->expires= lifetime;
/* make UPDATE_TYPE, as if this "publish dialog" is not found
by pua it will fallback to INSERT_TYPE anyway */
publ->flag|= UPDATE_TYPE;
publ->source_flag|= DIALOG_PUBLISH;
publ->event|= DIALOG_EVENT;
publ->extra_headers= NULL;
print_publ(publ);
if(pua_send_publish(publ)< 0)
{
LM_ERR("while sending publish\n");
}
error:
if(publ)
pkg_free(publ);
if(body)
{
if(body->s)
xmlFree(body->s);
pkg_free(body);
}
if(uri.s)
pkg_free(uri.s);
return;
}
void ul_publish(ucontact_t* c, int type, void* param)
{
str* body= NULL;
str uri= {NULL, 0};
char* at= NULL;
publ_info_t* publ= NULL;
int size= 0;
str content_type;
content_type.s= "application/pidf+xml";
content_type.len= 20;
if(pua_ul_publish== 0)
{
LM_INFO("should not send ul publish\n");
return;
}
if(type & UL_CONTACT_DELETE)
LM_DBG("\nul_publish: DELETE type\n");
else
if(type & UL_CONTACT_INSERT)
LM_DBG("\nul_publish: INSERT type\n");
else
if(type & UL_CONTACT_UPDATE)
LM_DBG("\nul_publish: UPDATE type\n");
else
if(type & UL_CONTACT_EXPIRE)
LM_DBG("\nul_publish: EXPIRE type\n");
if(type & UL_CONTACT_INSERT)
{
body= build_pidf(c);
if(body == NULL || body->s == NULL)
goto error;
}
else
body = NULL;
uri.s = (char*)pkg_malloc(sizeof(char)*(c->aor->len+default_domain.len+6));
if(uri.s == NULL)
goto error;
memcpy(uri.s, "sip:", 4);
uri.len = 4;
memcpy(uri.s+ uri.len, c->aor->s, c->aor->len);
uri.len+= c->aor->len;
at = memchr(c->aor->s, '@', c->aor->len);
if(!at)
{
uri.s[uri.len++]= '@';
memcpy(uri.s+ uri.len, default_domain.s, default_domain.len);
uri.len+= default_domain.len;
}
LM_DBG("ul_publish: uri= %.*s\n", uri.len, uri.s);
size= sizeof(publ_info_t)+ sizeof(str)+( uri.len
+c->callid.len+ 12 + content_type.len)*sizeof(char);
if(body)
size+= sizeof(str)+ body->len* sizeof(char);
publ= (publ_info_t*)pkg_malloc(size);
if(publ== NULL)
{
LM_ERR("no more share memory\n");
goto error;
}
memset(publ, 0, size);
size= sizeof(publ_info_t);
publ->pres_uri= (str*)((char*)publ + size);
size+= sizeof(str);
publ->pres_uri->s= (char*)publ+ size;
memcpy(publ->pres_uri->s, uri.s, uri.len);
publ->pres_uri->len= uri.len;
size+= uri.len;
if(body)
{
publ->body= (str*)( (char*)publ + size);
size+= sizeof(str);
publ->body->s= (char*)publ + size;
memcpy(publ->body->s, body->s, body->len);
publ->body->len= body->len;
size+= body->len;
}
publ->id.s= (char*)publ+ size;
memcpy(publ->id.s, "UL_PUBLISH.", 11);
memcpy(publ->id.s+11, c->callid.s, c->callid.len);
publ->id.len= 11+ c->callid.len;
size+= publ->id.len;
publ->content_type.s= (char*)publ+ size;
memcpy(publ->content_type.s, content_type.s, content_type.len);
publ->content_type.len= content_type.len;
size+= content_type.len;
if(type & UL_CONTACT_EXPIRE || type & UL_CONTACT_DELETE)
publ->expires= 0;
else
publ->expires= c->expires - (int)time(NULL);
if(type & UL_CONTACT_INSERT)
publ->flag|= INSERT_TYPE;
else
publ->flag|= UPDATE_TYPE;
publ->source_flag|= UL_PUBLISH;
publ->event|= PRESENCE_EVENT;
publ->extra_headers= NULL;
print_publ(publ);
if(pua_send_publish(publ)< 0)
{
LM_ERR("while sending publish\n");
}
pua_ul_publish= 0;
error:
if(publ)
pkg_free(publ);
if(body)
{
if(body->s)
xmlFree(body->s);
pkg_free(body);
}
if(uri.s)
pkg_free(uri.s);
pua_ul_publish= 0;
return;
}
