/* session thread */
mreturn mod_presence_avails(mapi m, void *arg)
{
modpres mp = (modpres) arg;
if (m->packet->type != JPACKET_PRESENCE)
return M_IGNORE;
if (m->packet->to == NULL)
return M_PASS;
log_debug("track presence sent to jids");
/* handle invisibles: put in I and remove from A */
if (jpacket_subtype(m->packet) == JPACKET__INVISIBLE) {
if (mp->I == NULL)
mp->I = jid_new(m->s->p, jid_full(m->packet->to));
else
jid_append(mp->I, m->packet->to);
mp->A = _mod_presence_whack(m->packet->to, mp->A);
return M_PASS;
}
/* ensure not invisible from before */
mp->I = _mod_presence_whack(m->packet->to, mp->I);
/* avails to A */
if (jpacket_subtype(m->packet) == JPACKET__AVAILABLE)
jid_append(mp->A, m->packet->to);
/* unavails from A */
if (jpacket_subtype(m->packet) == JPACKET__UNAVAILABLE)
mp->A = _mod_presence_whack(m->packet->to, mp->A);
return M_PASS;
}
/* session thread */
mreturn mod_presence_in(mapi m, void *arg)
{
modpres mp = (modpres) arg;
xmlnode pres;
if (m->packet->type != JPACKET_PRESENCE)
return M_IGNORE;
log_debug("incoming filter for %s", jid_full(m->s->id));
if (jpacket_subtype(m->packet) == JPACKET__PROBE) {
/* reply with our presence */
if (m->s->presence == NULL) {
log_debug("probe from %s and no presence to return", jid_full(m->packet->from));
} else if (!mp->invisible && js_trust(m->user, m->packet->from) && !_mod_presence_search(m->packet->from, mp->I)) {
/* compliment of I in T */
log_debug("got a probe, responding to %s", jid_full(m->packet->from));
pres = xmlnode_dup(m->s->presence);
xmlnode_put_attrib(pres, "to", jid_full(m->packet->from));
js_session_from(m->s, jpacket_new(pres));
} else if (mp->invisible && js_trust(m->user, m->packet->from) && _mod_presence_search(m->packet->from, mp->A)) {
/* when invisible, intersection of A and T */
log_debug("got a probe when invisible, responding to %s", jid_full(m->packet->from));
pres = jutil_presnew(JPACKET__AVAILABLE, jid_full(m->packet->from), NULL);
js_session_from(m->s, jpacket_new(pres));
} else {
log_debug("%s attempted to probe by someone not qualified", jid_full(m->packet->from));
}
xmlnode_free(m->packet->x);
return M_HANDLED;
}
if (jid_cmp(m->packet->from, m->s->id) == 0) {
/* this is our presence, don't send to ourselves */
xmlnode_free(m->packet->x);
return M_HANDLED;
}
/* if a presence packet bounced, remove from the A list */
if (jpacket_subtype(m->packet) == JPACKET__ERROR)
mp->A = _mod_presence_whack(m->packet->from, mp->A);
/* doh! this is a user, they should see invisibles as unavailables */
if (jpacket_subtype(m->packet) == JPACKET__INVISIBLE)
xmlnode_put_attrib(m->packet->x, "type", "unavailable");
return M_PASS;
}
mreturn mod_browse_reply(mapi m, void *arg)
{
xmlnode browse, ns, cur;
session s;
if (m->packet->type != JPACKET_IQ)
return M_IGNORE;
if (!NSCHECK(m->packet->iq, NS_BROWSE))
return M_PASS;
/* first, is this a valid request? */
switch (jpacket_subtype(m->packet)) {
case JPACKET__RESULT:
case JPACKET__ERROR:
return M_PASS;
case JPACKET__SET:
js_bounce(m->si, m->packet->x, TERROR_NOTALLOWED);
return M_HANDLED;
}
log_debug("handling query for user %s", m->user->user);
/* get this dudes browse info */
browse = mod_browse_get(m, m->packet->to);
/* insert the namespaces */
ns = xdb_get(m->si->xc, m->packet->to, NS_XDBNSLIST);
for (cur = xmlnode_get_firstchild(ns); cur != NULL;
cur = xmlnode_get_nextsibling(cur))
if (xmlnode_get_attrib(cur, "type") == NULL)
xmlnode_insert_tag_node(browse, cur); /* only include the generic <ns>foo</ns> */
xmlnode_free(ns);
/* include any connected resources if there's a s10n from them */
if (js_trust(m->user, m->packet->from)) {
SEM_LOCK(m->user->sem);
for (s = m->user->sessions; s != NULL; s = s->next) {
/* if(s->priority < 0) continue; *** include all resources I guess */
if (xmlnode_get_tag
(browse,
spools(m->packet->p, "?jid=", jid_full(s->id),
m->packet->p)) != NULL)
continue; /* already in the browse result */
cur = xmlnode_insert_tag(browse, "user");
xmlnode_put_attrib(cur, "type", "client");
xmlnode_put_attrib(cur, "jid", jid_full(s->id));
}
SEM_UNLOCK(m->user->sem);
}
/* XXX include iq:filter forwards */
jutil_iqresult(m->packet->x);
jpacket_reset(m->packet);
xmlnode_insert_tag_node(m->packet->x, browse);
js_deliver(m->si, m->packet);
xmlnode_free(browse);
return M_HANDLED;
}
int at_iq_vcard(ati ti, jpacket jp)
{
xmlnode data;
at_session s;
s = at_session_find_by_jid(ti, jp->from);
if(jpacket_subtype(jp) != JPACKET__GET ||
(s && ((!s->icq && jp->to->user) || (s->icq && s->icq_vcard_response))))
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
if(!jp->to->user)
{
xmlnode_insert_node(jutil_iqresult(jp->x),ti->vcard);
at_deliver(ti,jp->x);
return 1;
}
if(!s)
return 0;
jutil_iqresult(jp->x);
jp->iq = data = xmlnode_insert_tag(jp->x,"vCard");
xmlnode_put_attrib(data,"xmlns",NS_VCARD);
xmlnode_put_attrib(data,"version","3.0");
xmlnode_put_attrib(data,"prodid","-//HandGen//NONSGML vGen v1.0//EN");
s->icq_vcard_response = jp;
aim_icq_getsimpleinfo(s->ass,
jp->to->user);
return 1;
}
int at_iq_disco_items(ati ti, jpacket jp)
{
xmlnode q;
if(jpacket_subtype(jp) != JPACKET__GET)
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
if(xmlnode_get_attrib(xmlnode_get_tag(jp->x, "query"),"node") != NULL)
{
at_bounce(ti, jp, TERROR_NOTALLOWED);
return 1;
}
jutil_iqresult(jp->x);
q = xmlnode_insert_tag(jp->x, "query");
xmlnode_put_attrib(q, "xmlns", NS_DISCO_ITEMS);
at_deliver(ti,jp->x);
return 1;
}
/* thread safe with sem */
mreturn mod_presence_deliver(mapi m, void *arg)
{
session cur;
if (m->packet->type != JPACKET_PRESENCE)
return M_IGNORE;
log_debug("deliver phase");
/* only if we HAVE a user, and it was sent to ONLY the user@server, and there is at least one session available */
if (m->user != NULL && m->packet->to->resource == NULL && js_session_primary_all_sem(m->user) != NULL) {
log_debug("broadcasting to %s", m->user->user);
/* broadcast */
for (cur = m->user->sessions; cur != NULL; cur = cur->next) {
if (cur->priority < -128)
continue;
js_session_to(cur, jpacket_new(xmlnode_dup(m->packet->x)));
}
SEM_UNLOCK(m->user->sem);
if (jpacket_subtype(m->packet) != JPACKET__PROBE) {
/* probes get handled by the offline thread as well? */
xmlnode_free(m->packet->x);
return M_HANDLED;
}
}
return M_PASS;
}
int at_iq_version(ati ti, jpacket jp)
{
xmlnode os, x, q;
struct utsname un;
if(jpacket_subtype(jp) != JPACKET__GET)
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
x = jutil_iqresult(jp->x);
q = xmlnode_insert_tag(x,"query");
xmlnode_put_attrib(q,"xmlns",NS_VERSION);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"name"),"AIM Transport",-1);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"version"), VERSION,-1);
uname(&un);
os = xmlnode_insert_tag(q,"os");
xmlnode_insert_cdata(os,un.sysname,-1);
xmlnode_insert_cdata(os," ",1);
xmlnode_insert_cdata(os,un.release,-1);
at_deliver(ti,x);
// AGAIN!?!
return 1;
}
int at_iq_time(ati ti, jpacket jp)
{
xmlnode x, q;
time_t t;
char *tstr;
if(jpacket_subtype(jp) != JPACKET__GET)
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
x = jutil_iqresult(jp->x);
q = xmlnode_insert_tag(x,"query");
xmlnode_put_attrib(q,"xmlns",NS_TIME);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"utc"),jutil_timestamp(),-1);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"tz"),tzname[0],-1);
/* create nice display time */
t = time(NULL);
tstr = ctime(&t);
tstr[strlen(tstr) - 1] = '\0'; /* cut off newline */
xmlnode_insert_cdata(xmlnode_insert_tag(q,"display"),tstr,-1);
at_deliver(ti,x);
return 1;
}
mreturn mod_roster_auto_in_s10n(mapi m, void *arg)
{
xmlnode reply, x;
log_debug("AUTO ROSTER");
//in not s10n
if (m->packet->type != JPACKET_S10N)
return M_IGNORE;
//if no to
if (m->packet->to == NULL)
return M_PASS;
//if from me
if (jid_cmpx(m->s->uid, m->packet->from, JID_USER | JID_SERVER) ==
0)
return M_PASS;
log_debug("handling incoming s10n");
switch (jpacket_subtype(m->packet)) {
case JPACKET__SUBSCRIBE:
log_debug("SUBSCRIBE");
reply =
jutil_presnew(JPACKET__SUBSCRIBED,
jid_full(m->packet->from), NULL);
js_session_from(m->s, jpacket_new(reply));
reply =
jutil_presnew(JPACKET__SUBSCRIBE,
jid_full(m->packet->from), NULL);
js_session_from(m->s, jpacket_new(reply));
break;
case JPACKET__SUBSCRIBED:
break;
case JPACKET__UNSUBSCRIBE:
log_debug("UNSUBSCRIBE");
//reply = jutil_presnew(JPACKET__UNSUBSCRIBED, jid_full(m->packet->from),NULL);
//js_session_from(m->s, jpacket_new(reply));
//remove account.
reply = jutil_iqnew(JPACKET__SET, NS_ROSTER);
x = xmlnode_get_tag(reply, "query");
x = xmlnode_insert_tag(x, "item");
xmlnode_put_attrib(x, "jid",
jid_full(jid_user(m->packet->from)));
xmlnode_put_attrib(x, "subscription", "remove");
js_session_from(m->s, jpacket_new(reply));
// reply = jutil_iqnewpresnew(JPACKET__UNSUBSCRIBE, jid_full(m->packet->from),NULL);
// js_session_from(m->s, jpacket_new(reply));
break;
case JPACKET__UNSUBSCRIBED:
break;
}
xmlnode_free(m->packet->x);
return M_HANDLED;
}
void mt_unknown_process(mti ti, jpacket jp)
{
switch (jp->type)
{
case JPACKET_IQ:
if (jp->to->user != NULL || (ti->con && j_strcmp(ti->con_id,jp->to->server) == 0))
{
jp->aux1 = (void *) ti;
mtq_send(NULL,jp->p,&mt_unknown_bounce,(void *) jp);
}
else
{
if (j_strcmp(jp->iqns,NS_REGISTER) == 0)
{
jp->aux1 = (void *) ti;
mtq_send(NULL,jp->p,&mt_reg_unknown,(void *) jp);
}
else
mt_iq_server(ti,jp);
}
break;
case JPACKET_MESSAGE:
case JPACKET_S10N:
/* message and s10n aren't allowed without a valid session */
if (jp->to->user != NULL || jpacket_subtype(jp) != JPACKET__SUBSCRIBED)
{
jp->aux1 = (void *) ti;
mtq_send(NULL,jp->p,&mt_unknown_bounce,(void *) jp);
break;
}
/* fall through here to free the node */
case JPACKET_PRESENCE:
if (jpacket_subtype(jp) == JPACKET__AVAILABLE && jp->to->user == NULL)
{
jp->aux1 = (void *) ti;
mtq_send(NULL,jp->p,&mt_presence_unknown,(void *) jp);
break;
}
xmlnode_free(jp->x);
}
}
int at_iq_gateway(ati ti, jpacket jp)
{
if(jp->to->user != NULL)
{
at_bounce(ti, jp, TERROR_NOTALLOWED);
return 1;
}
switch(jpacket_subtype(jp))
{
case JPACKET__GET:
{
xmlnode q;
jutil_iqresult(jp->x);
q = xmlnode_insert_tag(jp->x,"query");
xmlnode_put_attrib(q,"xmlns",NS_GATEWAY);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"desc"),"Enter the user's screenname",-1);
xmlnode_insert_tag(q,"prompt");
break;
}
case JPACKET__SET:
{
char *user, *id;
user = xmlnode_get_tag_data(jp->iq,"prompt");
id = user ? spools(jp->p,at_normalize(user),"@",jp->to->server,jp->p) : NULL;
if (id)
{
xmlnode q;
jutil_iqresult(jp->x);
q = xmlnode_insert_tag(jp->x,"query");
xmlnode_put_attrib(q,"xmlns",NS_GATEWAY);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"prompt"),id,-1);
}
else
jutil_error(jp->x,TERROR_BAD);
break;
}
default:
jutil_error(jp->x,TERROR_BAD);
break;
}
at_deliver(ti,jp->x);
return 1;
}
int at_iq_last(ati ti, jpacket jp)
{
xmlnode last;
xmlnode q;
char str[10];
/* XXX I can do last if I track logouts in the XDB... not too hard */
if(jpacket_subtype(jp) != JPACKET__GET)
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
if(jp->to->user != NULL)
{
at_session s;
at_buddy buddy;
char *res;
s = at_session_find_by_jid(ti, jp->from);
if(s == NULL)
{
at_bounce(ti, jp, TERROR_REGISTER);
return 1;
}
buddy = xhash_get(s->buddies, jp->to->user);
if(buddy == NULL)
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
jutil_iqresult(jp->x);
last = xmlnode_insert_tag(jp->x, "query");
xmlnode_put_attrib(last,"xmlns",NS_LAST);
sprintf(str, "%d", buddy->idle_time);
xmlnode_put_attrib(last, "seconds", str);
at_deliver(ti,jp->x);
return 1;
}
jutil_iqresult(jp->x);
last = xmlnode_insert_tag(jp->x, "query");
xmlnode_put_attrib(last,"xmlns",NS_LAST);
sprintf(str, "%d", time(NULL) - ti->start_time);
xmlnode_put_attrib(last,"seconds", str);
at_deliver(ti,jp->x);
return 1;
}
void at_bounce(ati ti, jpacket p, terror terr)
{
char *to, *from;
xmlnode err, x = p->x;
char code[4];
to = xmlnode_get_attrib(x, "to");
from = xmlnode_get_attrib(x, "from");
xmlnode_put_attrib(x, "from", to);
xmlnode_put_attrib(x, "to", from);
if(p->type == JPACKET_S10N && jpacket_subtype(p) == JPACKET__SUBSCRIBE)
{ /* bounce subscriptions only */
xmlnode_put_attrib(x, "type", "unsubscribed");
xmlnode_insert_cdata(xmlnode_insert_tag(x, "status"), terr.msg, -1);
at_deliver(ti,x);
return;
}
if(jpacket_subtype(p) == JPACKET__ERROR || p->type == JPACKET_PRESENCE || p->type == JPACKET_S10N)
{ /* presence/error packets are just dropped */
xmlnode_free(x);
return;
}
xmlnode_put_attrib(x,"type", "error");
err = xmlnode_insert_tag(x, "error");
snprintf(code, 4, "%d", terr.code);
xmlnode_put_attrib(err, "code", code);
if(terr.msg != NULL)
xmlnode_insert_cdata(err, terr.msg, strlen(terr.msg));
at_deliver(ti,x);
}
mreturn mod_browse_server(mapi m, void *arg)
{
xmlnode browse, query, x;
if (m->packet->type != JPACKET_IQ)
return M_IGNORE;
if (jpacket_subtype(m->packet) != JPACKET__GET
|| !NSCHECK(m->packet->iq, NS_BROWSE)
|| m->packet->to->resource != NULL)
return M_PASS;
/* get data from the config file */
if ((browse = js_config(m->si, "browse")) == NULL)
return M_PASS;
log_debug("handling browse query");
/* build the result IQ */
query =
xmlnode_insert_tag(jutil_iqresult(m->packet->x), "service");
xmlnode_put_attrib(query, "xmlns", NS_BROWSE);
xmlnode_put_attrib(query, "type", "jabber");
xmlnode_put_attrib(query, "jid", m->packet->to->server);
xmlnode_put_attrib(query, "name", xmlnode_get_data(js_config(m->si, "vCard/FN"))); /* pull name from the server vCard */
/* copy in the configured services */
xmlnode_insert_node(query, xmlnode_get_firstchild(browse));
/* list the admin stuff */
if (js_admin_jid(m->si, jid_user(m->packet->from), ADMIN_READ)) {
x = xmlnode_insert_tag(query, "item");
xmlnode_put_attrib(x, "jid",
spools(xmlnode_pool(x),
m->packet->to->server, "/admin",
xmlnode_pool(x)));
xmlnode_put_attrib(x, "name", "Online Users");
xmlnode_insert_cdata(xmlnode_insert_tag(query, "ns"),
NS_ADMIN, -1);
}
jpacket_reset(m->packet);
js_deliver(m->si, m->packet);
return M_HANDLED;
}
int at_iq_browse(ati ti, jpacket jp)
{
xmlnode q;
if(jpacket_subtype(jp) != JPACKET__GET)
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
if(jp->to->user != NULL)
{
q = xmlnode_insert_tag(jutil_iqresult(jp->x),"item");
xmlnode_put_attrib(q,"xmlns",NS_BROWSE);
xmlnode_put_attrib(q,"category","user");
xmlnode_put_attrib(q,"type","client");
xmlnode_put_attrib(q,"jid",jid_full(jp->to));
xmlnode_put_attrib(q,"name", jp->to->user);
at_deliver(ti,jp->x);
return 1;
}
q = xmlnode_insert_tag(jutil_iqresult(jp->x),"item");
xmlnode_put_attrib(q,"xmlns",NS_BROWSE);
xmlnode_put_attrib(q,"category","service");
xmlnode_put_attrib(q,"type","aim");
xmlnode_put_attrib(q,"jid",jp->to->server);
xmlnode_put_attrib(q,"name",xmlnode_get_tag_data(ti->vcard,"FN"));
xmlnode_insert_cdata(xmlnode_insert_tag(q,"ns"),NS_DISCO_INFO,-1);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"ns"),NS_DISCO_ITEMS,-1);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"ns"),NS_REGISTER,-1);
xmlnode_insert_cdata(xmlnode_insert_tag(q,"ns"),NS_GATEWAY,-1);
at_deliver(ti,jp->x);
// WHY! DAMNIT! WHY?
return 1;
}
mreturn mod_agents_handler(mapi m, void *arg)
{
if (m->packet->type != JPACKET_IQ)
return M_IGNORE;
if (jpacket_subtype(m->packet) != JPACKET__GET)
return M_PASS;
if (m->s != NULL
&& (m->packet->to != NULL
&& j_strcmp(jid_full(m->packet->to),
m->packet->from->server) != 0))
return M_PASS; /* for session calls, only answer to=NULL or to=server */
if (NSCHECK(m->packet->iq, NS_AGENT))
return mod_agents_agent(m);
if (NSCHECK(m->packet->iq, NS_AGENTS))
return mod_agents_agents(m);
return M_PASS;
}
result mt_receive(instance i, dpacket d, void *arg)
{
jpacket jp;
mti ti;
session s;
switch(d->type)
{
case p_NONE:
case p_NORM:
jp = jpacket_new(d->x);
if (jp->from && jp->from->user && jp->type != JPACKET_UNKNOWN &&
jpacket_subtype(jp) != JPACKET__ERROR)
{
mti ti = (mti) arg;
session s = mt_session_find(ti,jp->from);
lowercase(jp->from->server);
lowercase(jp->from->user);
if (s != NULL)
mt_session_process(s,jp);
else
mt_unknown_process(ti,jp);
}
else
{
log_warn(NULL,"Invalid packet");
xmlnode_free(d->x);
}
break;
default:
return r_ERR;
}
return r_DONE;
}
/** Process presence from Jabber */
void it_presence(session s, jpacket jp)
{
log_debug(ZONE,"Session[%s], handling presence",jid_full(s->id));
switch (jpacket_subtype(jp))
{
case JPACKET__PROBE:
if (jp->to->user) {
UIN_t uin;
contact c;
uin = it_jid2uin(jp->to);
if (j_strcmp(jp->to->server,s->ti->sms_id)==0) {
uin = SMS_CONTACT;
}
if (uin == SMS_CONTACT)
c = it_sms_get(s,jp->to->user);
else
c = it_contact_get(s,uin);
if (c != NULL)
it_contact_send_presence(c,NULL);
else {
c = it_unknown_contact_add(s, jp->to->user, uin);
if (c != NULL)
it_contact_send_presence(c,NULL);
}
}
break;
case JPACKET__INVISIBLE:
{
icqstatus status;
char *text;
if (jp->to->user) /* presence to groupchat here */
break;
/* update users presence */
s->p_db = ppdb_insert(s->p_db,jp->from,jp->x);
text = xmlnode_get_tag_data(jp->x,"status");
if (text != NULL)
strncpy(s->status_text,text,MAX_STATUS_TEXT);
else
s->status_text[0] = '\0';
status = ICQ_STATUS_INVISIBLE;
if (status != s->status) {
s->status = status;
/* propagate to C++ backend */
SendStatus(s);
}
/* echo.... */
/* only when connected */
if (!s->connected) {
xmlnode_free(jp->x);
return;
}
xmlnode_put_attrib(jp->x,"from",jid_full(jp->to));
xmlnode_put_attrib(jp->x,"to",jid_full(jid_user(jp->from)));
it_deliver(s->ti,jp->x);
return;
}
case JPACKET__AVAILABLE:
{
icqstatus status;
char *text;
if (jp->to->user) /* presence to groupchat here */
break;
log_debug(ZONE,"presence");
/* update user's presence */
s->p_db = ppdb_insert(s->p_db,jp->from,jp->x);
text = xmlnode_get_tag_data(jp->x,"status");
if (text != NULL) {
strncpy(s->status_text,text,MAX_STATUS_TEXT);
}
else
s->status_text[0] = '\0';
status = jit_show2status(xmlnode_get_tag_data(jp->x,"show"));
if (status != s->status) {
s->status = status;
/* Always set status regardless of being connected or not */
/* Client class will set this status */
/* after connecting */
SendStatus(s);
}
/* echo.... */
/* only when connected */
if (!s->connected) {
xmlnode_free(jp->x);
return;
}
xmlnode_put_attrib(jp->x,"from",jid_full(jp->to));
xmlnode_put_attrib(jp->x,"to",jid_full(jid_user(jp->from)));
it_deliver(s->ti,jp->x);
return;
}
case JPACKET__UNAVAILABLE:
if (jp->to->user == NULL)
{ /* kill the session if there are no available resources left */
s->p_db = ppdb_insert(s->p_db,jp->from,jp->x);
if (ppdb_primary(s->p_db,s->id) == NULL){
if (!s->exit_flag)
EndClient(s); // will call it_session_end
}
}
default:
break;
}
xmlnode_free(jp->x);
}
/** Callback processing incoming Jabber packets. */
result it_receive(instance i, dpacket d, void *arg) {
iti ti = (iti) arg;
jpacket jp;
session s;
session_ref alt_s;
unsigned char *user;
log_debug(ti->i->id,"Packet received: %s\n",xmlnode2str(d->x));
switch(d->type) {
case p_ROUTE: {
/* ignore */
return r_PASS;
}
case p_NONE:
case p_NORM:
jp = jpacket_new(d->x);
break;
default:
return r_ERR;
}
if (!jp->from ||/* !jp->from->user ||*/ jp->type == JPACKET_UNKNOWN /* || jpacket_subtype(jp) == JPACKET__ERROR */)
{ /* ignore invalid packets */
xmlnode_free(jp->x);
return r_DONE;
}
/* JID user part should be case insensitive */
/* convert user part of from JID to lower case */
if(jp->from->user != NULL)
for(user = jp->from->user; *user != '\0'; user++)
if(*user < 128)
*user = tolower(*user);
/* Mangle "from" JID, save original attribute for XDB conversion */
xmlnode_put_attrib(jp->x, "origfrom", xmlnode_get_attrib(jp->x, "from"));
xmlnode_put_attrib(jp->x, "from", jid_full(jp->from));
SEM_LOCK(ti->sessions_sem);
s = (session) wpxhash_get(ti->sessions,jid_full(jid_user(jp->from)));
alt_s = (session_ref) wpxhash_get(ti->sessions_alt,jp->to->user);
if (s != NULL) {
if (s->exit_flag) {
SEM_UNLOCK(ti->sessions_sem);
log_alert("exit flag","message to exiting session");
if (jp->type != JPACKET_PRESENCE){
jutil_error(jp->x,TERROR_NOTFOUND);
it_deliver(ti,jp->x);
}
else
xmlnode_free(jp->x);
} else if ((alt_s != NULL) && (
(jp->type == JPACKET_MESSAGE) // all messages
|| ((jp->type == JPACKET_IQ) && (j_strcmp(xmlnode_get_attrib(jp->iq,"xmlns"),NS_VCARD) == -1)) // all IQs except of vCard
|| (jp->type == JPACKET_PRESENCE) )) { // all presences _targeted_to_specific_user_
// rewriting "to" and "from" and putting packet back on the wire
xmlnode_put_attrib(jp->x, "from", jid_full(it_uin2jid(jp->p,s->uin,jp->to->server)));
xmlnode_put_attrib(jp->x, "to", jid_full(alt_s->s->orgid));
SEM_UNLOCK(ti->sessions_sem);
it_deliver(ti,jp->x);
} else {
jp->aux1 = (void *) s;
mtq_send(s->q,jp->p,it_session_jpacket,(void *) jp);
SEM_UNLOCK(ti->sessions_sem);
}
}
else {
SEM_UNLOCK(ti->sessions_sem);
if(jpacket_subtype(jp)!=JPACKET__ERROR)
it_unknown(ti,jp);
else
xmlnode_free(jp->x);
}
return r_DONE;
}
int at_iq_disco_info(ati ti, jpacket jp)
{
xmlnode q, info;
if(jpacket_subtype(jp) != JPACKET__GET)
{
at_bounce(ti, jp, TERROR_BAD);
return 1;
}
if(xmlnode_get_attrib(xmlnode_get_tag(jp->x, "query"),"node") != NULL)
{
at_bounce(ti, jp, TERROR_NOTALLOWED);
return 1;
}
if(jp->to->user != NULL)
{
q = xmlnode_insert_tag(jutil_iqresult(jp->x),"query");
xmlnode_put_attrib(q,"xmlns",NS_DISCO_INFO);
info = xmlnode_insert_tag(q, "identity");
xmlnode_put_attrib(info, "category", "client");
xmlnode_put_attrib(info, "type", "pc");
xmlnode_put_attrib(info, "name", jp->to->user);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_VCARD);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_LAST);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_TIME);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_VERSION);
at_deliver(ti,jp->x);
return 1;
}
q = xmlnode_insert_tag(jutil_iqresult(jp->x),"query");
xmlnode_put_attrib(q,"xmlns",NS_DISCO_INFO);
info = xmlnode_insert_tag(q, "identity");
xmlnode_put_attrib(info, "category", "gateway");
xmlnode_put_attrib(info, "type", "aim");
xmlnode_put_attrib(info,"name",xmlnode_get_tag_data(ti->vcard,"FN"));
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_VCARD);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_LAST);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_TIME);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_VERSION);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_GATEWAY);
info = xmlnode_insert_tag(q, "feature");
xmlnode_put_attrib(info, "var", NS_REGISTER);
at_deliver(ti,jp->x);
return 1;
}
/* session thread */
mreturn mod_presence_out(mapi m, void *arg)
{
xmlnode pnew, delay, pold;
modpres mp = (modpres) arg;
session cur = NULL;
int oldpri, newpri;
char *priority;
if (m->packet->type != JPACKET_PRESENCE)
return M_IGNORE;
if (m->packet->to != NULL
|| jpacket_subtype(m->packet) == JPACKET__PROBE
|| jpacket_subtype(m->packet) == JPACKET__ERROR)
return M_PASS;
log_debug("new presence from %s of %s", jid_full(m->s->id), xmlnode2str(m->packet->x));
/* pre-existing conditions (no, we are not an insurance company) */
oldpri = m->s->priority;
/* check that the priority is in the valid range */
priority = xmlnode_get_tag_data(m->packet->x, "priority");
if (priority == NULL) {
newpri = 0;
} else {
newpri = j_atoi(priority, 0);
if (newpri < -128 || newpri > 127) {
log_notice("mod_presence", "got presence with invalid priority value from %s", jid_full(m->s->id));
xmlnode_free(m->packet->x);
return M_HANDLED;
}
}
/* invisible mode is special, don't you wish you were special too? */
if (jpacket_subtype(m->packet) == JPACKET__INVISIBLE) {
log_debug("handling invisible mode request");
/* if we get this and we're available, it means go unavail first then reprocess this packet, nifty trick :) */
if (oldpri >= -128) {
js_session_from(m->s,
jpacket_new(jutil_presnew
(JPACKET__UNAVAILABLE,
NULL,
xmlnode_get_tag_data(m->packet->x,"status")
)));
js_session_from(m->s, m->packet);
return M_HANDLED;
}
/* now, pretend we come online :) */
/* (this is the handling of the reinjected invisible presence
* or an initial invisible presence) */
mp->invisible = 1;
mod_presence_roster(m, NULL); /* send out probes to users we are subscribed to */
m->s->priority = newpri;
/* store presence in xdb? */
if (mp->conf->pres_to_xdb > 0)
mod_presence_store(m);
xmlnode_free(m->packet->x); /* we do not broadcast invisible presences without a to attribute */
return M_HANDLED;
}
/* our new presence */
pnew = xmlnode_dup(m->packet->x);
/* store presence in xdb? */
if (mp->conf->pres_to_xdb > 0)
mod_presence_store(m);
/* stamp the sessions presence */
delay = xmlnode_insert_tag(pnew, "x");
xmlnode_put_attrib(delay, "xmlns", NS_DELAY);
xmlnode_put_attrib(delay, "from", jid_full(m->s->id));
xmlnode_put_attrib(delay, "stamp", jutil_timestamp());
/* our old presence */
pold = m->s->presence;
m->s->presence = pnew;
m->s->priority = jutil_priority(pnew);
log_debug("presence oldp %d newp %d", oldpri, m->s->priority);
/* if we're going offline now, let everyone know */
if (m->s->priority < -128) {
/* jutil_priority returns -129 in case the "type" attribute is missing */
if (!mp->invisible)
/* bcc's don't get told if we were invisible */
_mod_presence_broadcast(m->s, mp->conf->bcc, m->packet->x, NULL);
_mod_presence_broadcast(m->s, mp->A, m->packet->x, NULL);
_mod_presence_broadcast(m->s, mp->I, m->packet->x, NULL);
/* reset vars */
mp->invisible = 0;
mp->A->next = NULL;
mp->I = NULL;
xmlnode_free(m->packet->x);
xmlnode_free(pold);
return M_HANDLED;
}
/* available presence updates, intersection of A and T */
if (oldpri >= -128 && !mp->invisible) {
_mod_presence_broadcast_trusted(m->s, mp->A, m->packet->x);
xmlnode_free(m->packet->x);
xmlnode_free(pold);
return M_HANDLED;
}
/* at this point we're coming out of the closet */
mp->invisible = 0;
/* make sure we get notified for any presence about ourselves */
/* XXX: the following is the original code: it caused existing presences
* to be stamped several times and the presence to be sent out twice.
pnew = jutil_presnew(JPACKET__PROBE,jid_full(m->s->uid),NULL);
xmlnode_put_attrib(pnew,"from",jid_full(m->s->uid));
js_session_from(m->s, jpacket_new(pnew));
*/
/* XXX: I think this should be okay as well: */
/* send us all presences of our other resources */
for (cur = m->user->sessions; cur != NULL; cur = cur->next) {
pool pool_for_existing_presence = NULL;
xmlnode duplicated_presence = NULL;
jpacket packet = NULL;
/* skip our own session (and sanity check) */
if (cur == m->s || cur->presence == NULL) {
continue;
}
/* send the presence to us: we need a new pool as js_session_to() will free the packet's pool */
pool_for_existing_presence = pool_new();
duplicated_presence =
xmlnode_dup_pool(pool_for_existing_presence,
cur->presence);
xmlnode_put_attrib(duplicated_presence, "to",
jid_full(m->user->id));
packet = jpacket_new(duplicated_presence);
js_session_to(m->s, packet);
}
/* probe s10ns and populate A */
mod_presence_roster(m, mp->A);
/* we broadcast this baby! */
_mod_presence_broadcast(m->s, mp->conf->bcc, m->packet->x, NULL);
_mod_presence_broadcast(m->s, mp->A, m->packet->x, NULL);
xmlnode_free(m->packet->x);
xmlnode_free(pold);
return M_HANDLED;
}
mreturn mod_browse_set(mapi m, void *arg)
{
xmlnode browse, cur;
jid id, to;
if (m->packet->type != JPACKET_IQ)
return M_IGNORE;
if (!NSCHECK(m->packet->iq, NS_BROWSE)
|| jpacket_subtype(m->packet) != JPACKET__SET)
return M_PASS;
if (m->packet->to != NULL)
return M_PASS; /* if its to someone other than ourselves */
log_debug("handling set request %s", xmlnode2str(m->packet->iq));
/* no to implies to ourselves */
if (m->packet->to != NULL)
to = m->packet->to;
else
to = m->user->id;
/* if we set to a resource, we need to make sure that resource's browse is in the users browse */
if (to->resource != NULL) {
browse = mod_browse_get(m, to); /* get our browse info */
xmlnode_hide_attrib(browse, "xmlns"); /* don't need a ns as a child */
for (cur = xmlnode_get_firstchild(browse); cur != NULL;
cur = xmlnode_get_nextsibling(cur))
xmlnode_hide(cur); /* erase all children */
xdb_act(m->si->xc, m->user->id, NS_BROWSE, "insert", spools(m->packet->p, "?jid=", jid_full(to), m->packet->p), browse); /* insert and match replace */
xmlnode_free(browse);
}
/* get the id of the new browse item */
if ((cur = xmlnode_get_firstchild(m->packet->iq)) == NULL
|| (id =
jid_new(m->packet->p,
xmlnode_get_attrib(cur, "jid"))) == NULL) {
js_bounce(m->si, m->packet->x, TERROR_NOTACCEPTABLE);
return M_HANDLED;
}
/* insert the new item into the resource it was sent to */
xmlnode_hide_attrib(cur, "xmlns"); /* just in case, to make sure it inserts */
if (xdb_act
(m->si->xc, to, NS_BROWSE, "insert",
spools(m->packet->p, "?jid=", jid_full(id), m->packet->p),
cur)) {
js_bounce(m->si, m->packet->x, TERROR_UNAVAIL);
return M_HANDLED;
}
/* if the new data we're inserting is to one of our resources, update that resource's browse */
if (jid_cmpx(m->user->id, id, JID_USER | JID_SERVER) == 0
&& id->resource != NULL) {
/* get the old */
browse = mod_browse_get(m, id);
/* transform the new one into the old one */
xmlnode_put_attrib(cur, "xmlns", NS_BROWSE);
xmlnode_insert_node(cur, xmlnode_get_firstchild(browse));
xdb_set(m->si->xc, id, NS_BROWSE, cur); /* replace the resource's browse w/ this one */
xmlnode_free(browse);
}
/* send response to the user */
jutil_iqresult(m->packet->x);
jpacket_reset(m->packet);
js_session_to(m->s, m->packet);
return M_HANDLED;
}
/** Got a subscription request from Jabber */
void it_s10n(session s, jpacket jp)
{
UIN_t uin;
contact c;
if (jp->to->user == NULL) {
/* ignore s10n to the transport */
xmlnode_free(jp->x);
return;
}
uin = it_jid2uin(jp->to);
if (uin == 0 || uin == s->uin) {
jutil_error(jp->x,TERROR_BAD);
it_deliver(s->ti,jp->x);
return;
}
if (s->connected == 0) {
queue_elem queue;
/* add to circle queue */
queue = pmalloco(jp->p,sizeof(_queue_elem));
queue->elem = (void *)jp;
/* next = NULL */
QUEUE_PUT(s->queue,s->queue_last,queue);
return;
}
/* we're connected, go on */
log_debug(ZONE,"presence packet uin = %d",uin);
/* check for SMS_CONTACT */
if (j_strcmp(jp->to->server,s->ti->sms_id)==0) {
uin = SMS_CONTACT;
}
if (uin == SMS_CONTACT)
c = it_sms_get(s,jp->to->user);
else
c = it_contact_get(s,uin);
switch (jpacket_subtype(jp))
{
case JPACKET__SUBSCRIBE:
if (c == NULL) {
/* if sms contact */
if (uin == SMS_CONTACT) {
/* if not our sms id */
if (j_strcmp(jp->to->server,s->ti->sms_id)) {
log_debug(ZONE,"not our sms %s",jp->to->server);
xmlnode_free(jp->x);
break;
}
c = it_sms_add(s,jp->to->user);
log_debug(ZONE,"sms add");
}
else
c = it_contact_add(s,uin);
}
log_debug(ZONE,"subscribe");
it_contact_subscribe(c,NULL);
xmlnode_free(jp->x);
break;
case JPACKET__SUBSCRIBED:
/* after asking */
if (c) {
it_contact_subscribed(c,jp);
log_debug(ZONE,"subscribed");
}
xmlnode_free(jp->x);
break;
case JPACKET__UNSUBSCRIBE:
if (c) {
/* will remove user from icq contacts
inform main jabber roster unsubscribed */
it_contact_unsubscribe(c);
log_debug(ZONE,"unsubscribe");
}
xmlnode_free(jp->x);
break;
case JPACKET__UNSUBSCRIBED:
/* when icq ask for subscribe we have that contacts in our roster
remove contact if exist */
if (c) {
it_contact_unsubscribed(c,jp);
log_debug(ZONE,"unsubscribed");
}
xmlnode_free(jp->x);
break;
default:
xmlnode_free(jp->x);
break;
}
}
mreturn mod_stats_server(mapi m, void *arg)
{
xmlnode cur;
int i;
if (m->packet->type != JPACKET_IQ)
return M_IGNORE;
if (jpacket_subtype(m->packet) != JPACKET__GET)
return M_PASS;
if (!NSCHECK(m->packet->iq, NS_STATS))
return M_PASS;
if (m->packet->to->resource)
return M_PASS;
/* get data from the config file */
i = 0;
if (xmlnode_get_tag(js_config(m->si, "stats"), "allow_all") !=
NULL)
i = 1;
log_debug("handling stats get %s", jid_full(m->packet->from));
/* check if admin */
if ((i == 0) &&
(!js_admin_jid(m->si, jid_user(m->packet->from), ADMIN_READ)))
{
jutil_error(m->packet->x, TERROR_AUTH);
jpacket_reset(m->packet);
js_deliver(m->si, m->packet);
return M_HANDLED;
}
/* check if any stat have given iq query */
cur = xmlnode_get_firstchild(m->packet->iq);
for (; cur != NULL; cur = xmlnode_get_nextsibling(cur)) {
if (xmlnode_get_type(cur) != NTYPE_TAG)
continue;
break;
}
if (cur != NULL)
cur = xmlnode_get_firstchild(m->packet->iq);
jutil_tofrom(m->packet->x);
xmlnode_put_attrib(m->packet->x, "type", "result");
/* return available stats */
if (!cur) {
for (i = 0; available_stats[i]; i++) {
xmlnode_put_attrib(xmlnode_insert_tag
(m->packet->iq, "stat"), "name",
available_stats[i]);
}
jpacket_reset(m->packet);
js_deliver(m->si, m->packet);
return M_HANDLED;
}
/* return server stats */
/* cur is already first stat */
for (; cur != NULL; cur = xmlnode_get_nextsibling(cur)) {
char *name;
char buf[31];
int found;
if (xmlnode_get_type(cur) != NTYPE_TAG)
continue;
if (j_strcmp(xmlnode_get_name(cur), "stat") != 0)
continue;
name = xmlnode_get_attrib(cur, "name");
if (!name)
continue;
log_debug("get stats for %s", name);
found = 0;
for (i = 0; available_stats[i]; i++) {
if (j_strcmp(available_stats[i], name) != 0)
continue;
log_debug("stats for %s", name);
/* give stats */
found = 1;
/* time/uptime */
if (j_strcmp(name, "time/uptime") == 0) {
snprintf(buf, 30, "%d",
time(NULL) -
m->si->stats->started);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units",
"seconds");
}
/* users/online */
if (j_strcmp(name, "users/online") == 0) {
snprintf(buf, 30, "%d",
m->si->stats->sessioncount);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units", "users");
}
if (j_strcmp(name, "users/max_online_today") == 0) {
snprintf(buf, 30, "%d",
m->si->stats->session_max_today);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units", "users");
}
if (j_strcmp(name, "users/max_online_yesterday") ==
0) {
snprintf(buf, 30, "%d",
m->si->stats->
session_max_yesterday);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units", "users");
}
if (j_strcmp(name, "users/registered_today") == 0) {
snprintf(buf, 30, "%d",
m->si->stats->
users_registered_today);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units", "users");
}
if (j_strcmp(name, "users/registered_from_start")
== 0) {
snprintf(buf, 30, "%d",
m->si->stats->
users_registered_from_start);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units", "users");
}
if (j_strcmp(name, "bandwidth/packets-in") == 0) {
snprintf(buf, 30, "%lu",
m->si->stats->packets_in);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units",
"packets");
}
if (j_strcmp(name, "bandwidth/packets-out") == 0) {
snprintf(buf, 30, "%lu",
m->si->stats->packets_out);
xmlnode_put_attrib(cur, "value", buf);
xmlnode_put_attrib(cur, "units",
"packets");
}
#ifndef WIN32
if (j_strcmp(name, "memory/usage") == 0) {
long mem = get_memory_usage();
if (mem > 0) {
snprintf(buf, 30, "%lu", mem);
xmlnode_put_attrib(cur, "value",
buf);
xmlnode_put_attrib(cur, "units",
"bytes");
} else
found = 0;
}
#endif
break;
}
if (found <= 0) {
xmlnode err;
err = xmlnode_insert_tag(cur, "error");
xmlnode_put_attrib(err, "code", "404");
xmlnode_insert_cdata(err, "Not Found", -1);
}
}
jpacket_reset(m->packet);
js_deliver(m->si, m->packet);
return M_HANDLED;
}