/**
* delete a user from presence list
*/
int xj_pres_list_del(xj_pres_list prl, str *uid)
{
xj_pres_cell p;
int lkey;
if(!prl || !uid || !uid->s || uid->len<=0)
return -1;
if(prl->nr<=0 || prl->clist==NULL)
return 0;
lkey = xj_get_hash(uid, NULL);
p = prl->clist;
while(p && p->key <= lkey)
{
if(p->key == lkey && p->userid.len == uid->len
&& !strncasecmp(p->userid.s, uid->s, uid->len))
{
prl->nr--;
if(p->next)
p->next->prev = p->prev;
if(p->prev == NULL)
prl->clist = p->next;
else
p->prev->next = p->next;
xj_pres_cell_free(p);
return 0;
}
p = p->next;
}
return 0;
}
/**
* add, if does not exist, an user in present list
*/
xj_pres_cell xj_pres_list_add(xj_pres_list prl, xj_pres_cell prc)
{
xj_pres_cell p, p0;
if(!prc)
return NULL;
if(!prl)
{
xj_pres_cell_free(prc);
return NULL;
}
// presence list empty
if(prl->clist==NULL)
{
prl->nr++;
prl->clist = prc;
return prc;
}
p0 = p = prl->clist;
while(p && p->key <= prc->key)
{
if(p->key == prc->key && p->userid.len == prc->userid.len
&& !strncasecmp(p->userid.s, prc->userid.s, p->userid.len))
{ // cell already exist
// update cbf and cbp
p->cbf = prc->cbf;
p->cbp = prc->cbp;
xj_pres_cell_free(prc);
return p;
}
p0 = p;
p = p->next;
}
// add a the cell in list
prc->next = p0->next;
prc->prev = p0;
if(p0->next)
p0->next->prev = prc;
p0->next = prc;
prl->nr++;
return prc;
}
/**
* free all presence cell linked to
*/
void xj_pres_cell_free_all(xj_pres_cell prc)
{
xj_pres_cell p, p0;
if(!prc)
return;
p = prc;
while(p)
{
p0 = p->next;
xj_pres_cell_free(p);
p = p0;
}
}
/**
* parse incoming message from Jabber server
*/
int xj_manage_jab(char *buf, int len, int *pos, xj_jalias als, xj_jcon jbc)
{
int j, err=0;
char *p, *to, *from, *msg, *type, *emsg, *ecode, lbuf[4096], fbuf[128];
xj_jconf jcf = NULL;
str ts, tf;
xode x, y, z;
str *sid;
xj_pres_cell prc = NULL;
if(!jbc)
return -1;
sid = jbc->jkey->id;
x = xode_from_strx(buf, len, &err, &j);
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_parse_jab: XODE ret:%d pos:%d\n", err, j);
#endif
if(err && pos != NULL)
*pos= j;
if(x == NULL)
return -1;
lbuf[0] = 0;
ecode = NULL;
/******************** XMPP 'MESSAGE' HANDLING **********************/
if(!strncasecmp(xode_get_name(x), "message", 7))
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: jabber [message] received\n");
#endif
if((to = xode_get_attrib(x, "to")) == NULL)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: missing 'to' attribute\n");
#endif
err = -1;
goto ready;
}
if((from = xode_get_attrib(x, "from")) == NULL)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: missing 'from' attribute\n");
#endif
err = -1;
goto ready;
}
if((y = xode_get_tag(x, "body")) == NULL
|| (msg = xode_get_data(y)) == NULL)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: missing 'body' of message\n");
#endif
err = -1;
goto ready;
}
type = xode_get_attrib(x, "type");
if(type != NULL && !strncasecmp(type, "error", 5))
{
if((y = xode_get_tag(x, "error")) == NULL
|| (emsg = xode_get_data(y)) == NULL)
strcpy(lbuf, "{Error sending following message} - ");
else
{
ecode = xode_get_attrib(y, "code");
strcpy(lbuf, "{Error (");
if(ecode != NULL)
{
strcat(lbuf, ecode);
strcat(lbuf, " - ");
}
strcat(lbuf, emsg);
strcat(lbuf, ") when trying to send following message}");
}
}
// is from a conference?!?!
if((jcf=xj_jcon_check_jconf(jbc, from))!=NULL)
{
if(lbuf[0] == 0)
{
p = from + strlen(from);
while(p>from && *p != '/')
p--;
if(*p == '/')
{
if(jcf->nick.len>0
&& strlen(p+1) == jcf->nick.len
&& !strncasecmp(p+1, jcf->nick.s, jcf->nick.len))
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: message sent by myself\n");
#endif
goto ready;
}
lbuf[0] = '[';
lbuf[1] = 0;
strcat(lbuf, p+1);
strcat(lbuf, "] ");
}
}
else
{
jcf->status = XJ_JCONF_NULL;
xj_jcon_jconf_presence(jbc,jcf,NULL,"online");
}
strcat(lbuf, msg);
ts.s = lbuf;
ts.len = strlen(lbuf);
if(xj_send_sip_msg(als->proxy, sid, &jcf->uri, &ts,
&jbc->jkey->flag)<0)
DBG("XJAB:xj_manage_jab: ERROR SIP MESSAGE was not sent!\n");
#ifdef XJ_EXTRA_DEBUG
else
DBG("XJAB:xj_manage_jab: SIP MESSAGE was sent!\n");
#endif
goto ready;
}
strcat(lbuf, msg);
ts.s = from;
ts.len = strlen(from);
tf.s = fbuf;
tf.len = 0;
if(xj_address_translation(&ts, &tf, als, XJ_ADDRTR_J2S) == 0)
{
ts.s = lbuf;
ts.len = strlen(lbuf);
if(xj_send_sip_msg(als->proxy, sid, &tf, &ts, &jbc->jkey->flag)<0)
DBG("XJAB:xj_manage_jab: ERROR SIP MESSAGE was not sent ...\n");
#ifdef XJ_EXTRA_DEBUG
else
DBG("XJAB:xj_manage_jab: SIP MESSAGE was sent.\n");
#endif
}
goto ready;
}
/*------------------- END 'MESSAGE' HANDLING ----------------------*/
/******************** XMPP 'PRESENCE' HANDLING *********************/
if(!strncasecmp(xode_get_name(x), "presence", 8))
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: jabber [presence] received\n");
#endif
type = xode_get_attrib(x, "type");
from = xode_get_attrib(x, "from");
if(from == NULL)
goto ready;
ts.s = from;
p = from;
while(p<from + strlen(from) && *p != '/')
p++;
if(*p == '/')
ts.len = p - from;
else
ts.len = strlen(from);
if(type == NULL || !strncasecmp(type, "online", 6)
|| !strncasecmp(type, "available", 9))
{
if(strchr(from, '@') == NULL)
{
if(!strncasecmp(from, XJ_AIM_NAME, XJ_AIM_LEN))
{
jbc->ready |= XJ_NET_AIM;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: AIM network ready\n");
#endif
}
else if(!strncasecmp(from, XJ_ICQ_NAME, XJ_ICQ_LEN))
{
jbc->ready |= XJ_NET_ICQ;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: ICQ network ready\n");
#endif
}
else if(!strncasecmp(from, XJ_MSN_NAME, XJ_MSN_LEN))
{
jbc->ready |= XJ_NET_MSN;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: MSN network ready\n");
#endif
}
else if(!strncasecmp(from, XJ_YAH_NAME, XJ_YAH_LEN))
{
jbc->ready |= XJ_NET_YAH;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: YAHOO network ready\n");
#endif
}
}
else if((jcf=xj_jcon_check_jconf(jbc, from))!=NULL)
{
jcf->status = XJ_JCONF_READY;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: %s conference ready\n", from);
#endif
}
else
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: user <%.*s> is online\n",ts.len,ts.s);
#endif
prc = xj_pres_list_check(jbc->plist, &ts);
if(prc)
{
if(prc->state != XJ_PS_ONLINE)
{
prc->state = XJ_PS_ONLINE;
goto call_pa_cbf;
}
}
else
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: user state received - creating"
" presence cell for [%.*s]\n", ts.len, ts.s);
#endif
prc = xj_pres_cell_new();
if(prc == NULL)
{
DBG("XJAB:xj_manage_jab: cannot create presence"
" cell for [%s]\n", from);
goto ready;
}
if(xj_pres_cell_init(prc, &ts, NULL, NULL)<0)
{
DBG("XJAB:xj_manage_jab: cannot init presence"
" cell for [%s]\n", from);
xj_pres_cell_free(prc);
goto ready;
}
prc = xj_pres_list_add(jbc->plist, prc);
if(prc)
{
prc->state = XJ_PS_ONLINE;
goto call_pa_cbf;
}
}
}
goto ready;
}
if(strchr(from, '@') == NULL)
goto ready;
if(!strncasecmp(type, "error", 5))
{
if((jcf=xj_jcon_check_jconf(jbc, from))!=NULL)
{
tf.s = from;
tf.len = strlen(from);
if((y = xode_get_tag(x, "error")) == NULL)
goto ready;
if ((p = xode_get_attrib(y, "code")) != NULL
&& atoi(p) == 409)
{
xj_send_sip_msgz(als->proxy, sid, &tf,
XJ_DMSG_ERR_JCONFNICK, &jbc->jkey->flag);
goto ready;
}
xj_send_sip_msgz(als->proxy,sid,&tf,XJ_DMSG_ERR_JCONFREFUSED,
&jbc->jkey->flag);
}
goto ready;
}
if(type!=NULL && !strncasecmp(type, "subscribe", 9))
{
xj_jcon_send_presence(jbc, from, "subscribed", NULL, NULL);
goto ready;
}
prc = xj_pres_list_check(jbc->plist, &ts);
if(!prc)
goto ready;
if(!strncasecmp(type, "unavailable", 11))
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: user <%s> is offline\n", from);
#endif
if(prc->state != XJ_PS_OFFLINE)
{
prc->state = XJ_PS_OFFLINE;
goto call_pa_cbf;
}
goto ready;
}
if(!strncasecmp(type, "unsubscribed", 12))
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: user <%s> does not allow to see his"
" presence status\n", from);
#endif
if(prc->state != XJ_PS_REFUSED)
{
prc->state = XJ_PS_REFUSED;
goto call_pa_cbf;
}
}
// ignoring unknown types
goto ready;
}
/*------------------- END XMPP 'PRESENCE' HANDLING ----------------*/
/******************** XMPP 'IQ' HANDLING ***************************/
if(!strncasecmp(xode_get_name(x), "iq", 2))
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: jabber [iq] received\n");
#endif
if(!strncasecmp(xode_get_attrib(x, "type"), "result", 6))
{
if((y = xode_get_tag(x, "query?xmlns=jabber:iq:roster")) == NULL)
goto ready;
z = xode_get_firstchild(y);
while(z)
{
if(!strncasecmp(xode_get_name(z), "item", 5)
&& (from = xode_get_attrib(z, "jid")) != NULL)
{
if(strchr(from, '@') == NULL)
{ // transports
if(!strncasecmp(from, XJ_AIM_NAME, XJ_AIM_LEN))
{
jbc->allowed |= XJ_NET_AIM;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab:AIM network available\n");
#endif
}
else if(!strncasecmp(from, XJ_ICQ_NAME, XJ_ICQ_LEN))
{
jbc->allowed |= XJ_NET_ICQ;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab:ICQ network available\n");
#endif
}
else if(!strncasecmp(from, XJ_MSN_NAME, XJ_MSN_LEN))
{
jbc->allowed |= XJ_NET_MSN;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab:MSN network available\n");
#endif
}
else if(!strncasecmp(from, XJ_YAH_NAME, XJ_YAH_LEN))
{
jbc->allowed |= XJ_NET_YAH;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab:YAHOO network available\n");
#endif
}
goto next_sibling;
}
}
next_sibling:
z = xode_get_nextsibling(z);
}
}
goto ready;
}
/*------------------- END XMPP 'IQ' HANDLING ----------------------*/
call_pa_cbf:
if(prc && prc->cbf)
{
// call the PA callback function
tf.s = fbuf;
tf.len = 0;
if(xj_address_translation(&ts,&tf,als,XJ_ADDRTR_J2S)==0)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_manage_jab: calling CBF(%.*s,%d)\n",
tf.len, tf.s, prc->state);
#endif
(*(prc->cbf))(&tf, &tf, prc->state, prc->cbp);
}
}
ready:
xode_free(x);
return err;
}
/**
* update or register a presence watcher
*/
void xj_worker_check_watcher(xj_wlist jwl, xj_jcon_pool jcp,
xj_jcon jbc, xj_sipmsg jsmsg)
{
str sto;
char buff[1024];
xj_pres_cell prc = NULL;
if(!jwl || !jcp || !jbc || !jsmsg)
return;
if(!jsmsg->cbf)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker_check_watcher:%d: NULL PA callback"
" function\n", _xj_pid);
#endif
return;
}
if(!xj_jconf_check_addr(&jsmsg->to, jwl->aliases->dlm))
{ // is for a conference - ignore?!?!
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker_check_watcher:%d: presence request for a"
" conference.\n", _xj_pid);
#endif
// set as offline
(*(jsmsg->cbf))(&jsmsg->to, &jsmsg->to, XJ_PS_OFFLINE, jsmsg->p);
return;
}
sto.s = buff;
sto.len = 0;
if(xj_address_translation(&jsmsg->to, &sto, jwl->aliases,
XJ_ADDRTR_S2J) == 0)
{
prc = xj_pres_list_check(jbc->plist, &sto);
if(!prc)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker_check_watcher:%d: NEW presence"
" cell for %.*s.\n", _xj_pid, sto.len, sto.s);
#endif
prc = xj_pres_cell_new();
if(!prc)
{
DBG("XJAB:xj_worker_check_watcher:%d: cannot create a presence"
" cell for %.*s.\n", _xj_pid, sto.len, sto.s);
return;
}
if(xj_pres_cell_init(prc, &sto, jsmsg->cbf, jsmsg->p)<0)
{
DBG("XJAB:xj_worker_check_watcher:%d: cannot init the presence"
" cell for %.*s.\n", _xj_pid, sto.len, sto.s);
xj_pres_cell_free(prc);
return;
}
if((prc = xj_pres_list_add(jbc->plist, prc))==NULL)
{
DBG("XJAB:xj_worker_check_watcher:%d: cannot add the presence"
" cell for %.*s.\n", _xj_pid, sto.len, sto.s);
return;
}
sto.s[sto.len] = 0;
if(!xj_jcon_send_subscribe(jbc, sto.s, NULL, "subscribe"))
prc->status = XJ_PRES_STATUS_WAIT;
}
else
{
xj_pres_cell_update(prc, jsmsg->cbf, jsmsg->p);
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker_check_watcher:%d: calling CBF(%.*s,%d)\n",
_xj_pid, jsmsg->to.len, jsmsg->to.s, prc->state);
#endif
// send presence info to SIP subscriber
(*(prc->cbf))(&jsmsg->to, &jsmsg->to, prc->state, prc->cbp);
}
}
}
