void pollwrap_clear(pollwrapper *pw)
{
pw->nfd = 0;
for (pollwrap_fdtopos *f2p;
(f2p = delpos234(pw->fdtopos, 0)) != NULL ;)
sfree(f2p);
}
/**
* check for expired connections
*/
void xj_worker_check_jcons(xj_wlist jwl, xj_jcon_pool jcp, int ltime, fd_set *pset)
{
int i;
xj_jconf jcf;
for(i = 0; i < jcp->len && main_loop; i++)
{
if(jcp->ojc[i] == NULL)
continue;
if(jcp->ojc[i]->jkey->flag==XJ_FLAG_OPEN &&
jcp->ojc[i]->expire > ltime)
continue;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker:%d: connection expired for <%.*s> \n",
_xj_pid, jcp->ojc[i]->jkey->id->len, jcp->ojc[i]->jkey->id->s);
#endif
xj_send_sip_msgz(_PADDR(jwl), jcp->ojc[i]->jkey->id, &jab_gw_name,
XJ_DMSG_INF_JOFFLINE, NULL);
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker:%d: connection's close flag =%d\n",
_xj_pid, jcp->ojc[i]->jkey->flag);
#endif
// CLEAN JAB_WLIST
xj_wlist_del(jwl, jcp->ojc[i]->jkey, _xj_pid);
// looking for open conference rooms
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker:%d: having %d open conferences\n",
_xj_pid, jcp->ojc[i]->nrjconf);
#endif
while(jcp->ojc[i]->nrjconf > 0)
{
if((jcf=delpos234(jcp->ojc[i]->jconf,0))!=NULL)
{
// get out of room
xj_jcon_jconf_presence(jcp->ojc[i],jcf, "unavailable", NULL);
xj_jconf_free(jcf);
}
jcp->ojc[i]->nrjconf--;
}
// send offline presence to all subscribers
if(jcp->ojc[i]->plist)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_worker:%d: sending 'terminated' status to SIP"
" subscriber\n", _xj_pid);
#endif
xj_pres_list_notifyall(jcp->ojc[i]->plist,
XJ_PS_TERMINATED);
}
FD_CLR(jcp->ojc[i]->sock, pset);
xj_jcon_disconnect(jcp->ojc[i]);
xj_jcon_free(jcp->ojc[i]);
jcp->ojc[i] = NULL;
}
}
static char *x11_verify(unsigned long peer_ip, int peer_port,
struct X11Auth *auth, char *proto,
unsigned char *data, int dlen)
{
if (strcmp(proto, x11_authnames[auth->fakeproto]) != 0)
return "wrong authentication protocol attempted";
if (auth->fakeproto == X11_MIT) {
if (dlen != auth->fakelen)
return "MIT-MAGIC-COOKIE-1 data was wrong length";
if (memcmp(auth->fakedata, data, dlen) != 0)
return "MIT-MAGIC-COOKIE-1 data did not match";
}
if (auth->fakeproto == X11_XDM) {
unsigned long t;
time_t tim;
int i;
struct XDMSeen *seen, *ret;
if (dlen != 24)
return "XDM-AUTHORIZATION-1 data was wrong length";
if (peer_port == -1)
return "cannot do XDM-AUTHORIZATION-1 without remote address data";
des_decrypt_xdmauth(auth->fakedata+9, data, 24);
if (memcmp(auth->fakedata, data, 8) != 0)
return "XDM-AUTHORIZATION-1 data failed check"; /* cookie wrong */
if (GET_32BIT_MSB_FIRST(data+8) != peer_ip)
return "XDM-AUTHORIZATION-1 data failed check"; /* IP wrong */
if ((int)GET_16BIT_MSB_FIRST(data+12) != peer_port)
return "XDM-AUTHORIZATION-1 data failed check"; /* port wrong */
t = GET_32BIT_MSB_FIRST(data+14);
for (i = 18; i < 24; i++)
if (data[i] != 0) /* zero padding wrong */
return "XDM-AUTHORIZATION-1 data failed check";
tim = time(NULL);
if (abs(t - tim) > XDM_MAXSKEW)
return "XDM-AUTHORIZATION-1 time stamp was too far out";
seen = snew(struct XDMSeen);
seen->time = t;
memcpy(seen->clientid, data+8, 6);
assert(auth->xdmseen != NULL);
ret = add234(auth->xdmseen, seen);
if (ret != seen) {
sfree(seen);
return "XDM-AUTHORIZATION-1 data replayed";
}
/* While we're here, purge entries too old to be replayed. */
for (;;) {
seen = index234(auth->xdmseen, 0);
assert(seen != NULL);
if (t - seen->time <= XDM_MAXSKEW)
break;
sfree(delpos234(auth->xdmseen, 0));
}
}
void x11_free_auth(void *authv)
{
struct X11Auth *auth = (struct X11Auth *)authv;
struct XDMSeen *seen;
if (auth->xdmseen != NULL) {
while ((seen = delpos234(auth->xdmseen, 0)) != NULL)
sfree(seen);
freetree234(auth->xdmseen);
}
sfree(auth);
}
/*
* Call to run any timers whose time has reached the present.
* Returns the time (in ticks) expected until the next timer after
* that triggers.
*/
int run_timers(long anow, long *next)
{
struct timer *first;
init_timers();
now = GETTICKCOUNT();
while (1) {
first = (struct timer *)index234(timers, 0);
if (!first)
return FALSE; /* no timers remaining */
if (find234(timer_contexts, first->ctx, NULL) == NULL) {
/*
* This timer belongs to a context that has been
* expired. Delete it without running.
*/
delpos234(timers, 0);
sfree(first);
} else if (first->now - now <= 0 ||
now - (first->when_set - 10) < 0) {
/*
* This timer is active and has reached its running
* time. Run it.
*/
delpos234(timers, 0);
first->fn(first->ctx, first->now);
sfree(first);
} else {
/*
* This is the first still-active timer that is in the
* future. Return how long it has yet to go.
*/
*next = first->now;
return TRUE;
}
}
}
void delpostest(int i) {
int index = i;
void *elem = array[i], *ret;
/* i points to the right element */
while (i < arraylen-1) {
array[i] = array[i+1];
i++;
}
arraylen--; /* delete elem from array */
if (tree->cmp)
ret = del234(tree, elem);
else
ret = delpos234(tree, index);
if (ret != elem) {
error("del returned %p, expected %p", ret, elem);
}
verify();
}
/**
* send disconnected info to all SIP users associated with worker idx
* and clean the entries from wlist
*/
int xj_wlist_clean_jobs(xj_wlist jwl, int idx, int fl)
{
xj_jkey p;
if(jwl==NULL || idx < 0 || idx >= jwl->len || !jwl->workers[idx].sip_ids)
return -1;
lock_set_get(jwl->sems, idx);
while((p=(xj_jkey)delpos234(jwl->workers[idx].sip_ids, 0))!=NULL)
{
if(fl)
{
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_wlist_send_info: sending disconnect message"
" to <%.*s>\n", p->id->len, p->id->s);
#endif
xj_send_sip_msgz(_PADDR(jwl), p->id, &jab_gw_name,
XJ_DMSG_INF_DISCONNECTED, NULL);
}
jwl->workers[idx].nr--;
xj_jkey_free_p(p);
}
lock_set_release(jwl->sems, idx);
return 0;
}
/**
* free the allocated memory space of a JABBER connection
*/
int xj_jcon_free(xj_jcon jbc)
{
xj_jconf jcf;
if(jbc == NULL)
return -1;
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_jcon_free: -----START-----\n");
#endif
//if(jbc->sock != -1)
// jb_disconnect(jbc);
if(jbc->hostname != NULL)
_M_FREE(jbc->hostname);
if(jbc->stream_id != NULL)
_M_FREE(jbc->stream_id);
if(jbc->resource != NULL)
_M_FREE(jbc->resource);
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_jcon_free: %d conferences\n", jbc->nrjconf);
#endif
while(jbc->nrjconf > 0)
{
if((jcf=delpos234(jbc->jconf,0))!=NULL)
xj_jconf_free(jcf);
jbc->nrjconf--;
}
xj_pres_list_free(jbc->plist);
_M_FREE(jbc);
#ifdef XJ_EXTRA_DEBUG
DBG("XJAB:xj_jcon_free: -----END-----\n");
#endif
return 0;
}
/*
* Call to run any timers whose time has reached the present.
* Returns the time (in ticks) expected until the next timer after
* that triggers.
*/
int run_timers(long anow, long *next)
{
struct timer *first;
init_timers();
#ifdef TIMING_SYNC
/*
* In this ifdef I put some code which deals with the
* possibility that `anow' disagrees with GETTICKCOUNT by a
* significant margin. Our strategy for dealing with it differs
* depending on platform, because on some platforms
* GETTICKCOUNT is more likely to be right whereas on others
* `anow' is a better gold standard.
*/
{
long tnow = GETTICKCOUNT();
if (tnow + TICKSPERSEC/50 - anow < 0 ||
anow + TICKSPERSEC/50 - tnow < 0
) {
#if defined TIMING_SYNC_ANOW
/*
* If anow is accurate and the tick count is wrong,
* this is likely to be because the tick count is
* derived from the system clock which has changed (as
* can occur on Unix). Therefore, we resolve this by
* inventing an offset which is used to adjust all
* future output from GETTICKCOUNT.
*
* A platform which defines TIMING_SYNC_ANOW is
* expected to have also defined this offset variable
* in (its platform-specific adjunct to) putty.h.
* Therefore we can simply reference it here and assume
* that it will exist.
*/
tickcount_offset += anow - tnow;
#elif defined TIMING_SYNC_TICKCOUNT
/*
* If the tick count is more likely to be accurate, we
* simply use that as our time value, which may mean we
* run no timers in this call (because we got called
* early), or alternatively it may mean we run lots of
* timers in a hurry because we were called late.
*/
anow = tnow;
#else
/*
* Any platform which defines TIMING_SYNC must also define one of the two
* auxiliary symbols TIMING_SYNC_ANOW and TIMING_SYNC_TICKCOUNT, to
* indicate which measurement to trust when the two disagree.
*/
#error TIMING_SYNC definition incomplete
#endif
}
}
#endif
now = anow;
while (1) {
first = (struct timer *)index234(timers, 0);
if (!first)
return FALSE; /* no timers remaining */
if (find234(timer_contexts, first->ctx, NULL) == NULL) {
/*
* This timer belongs to a context that has been
* expired. Delete it without running.
*/
delpos234(timers, 0);
sfree(first);
} else if (first->now - now <= 0) {
/*
* This timer is active and has reached its running
* time. Run it.
*/
delpos234(timers, 0);
first->fn(first->ctx, first->now);
sfree(first);
} else {
/*
* This is the first still-active timer that is in the
* future. Return how long it has yet to go.
*/
*next = first->now;
return TRUE;
}
}
}