static void
signal_from_child(int sig)
{
int status;
int pid = waitpid(-1, &status, WNOHANG);
switch (pid) {
case -1:
WARN(0, "signal_from_child:waitpid failed.\n");
exit(1);
break;
case 0:
WARN(0, "no child has exited.\n");
break;
default:
WARN(2, "exited a child (pid:%d).\n", pid);
if (WIFEXITED(status)) {
WARN(2, "exit status:%d\n", WEXITSTATUS(status));
}
else if (WIFSIGNALED(status)) {
WARN(2, "terminated by signal %d.\n", WTERMSIG(status));
}
Nserver--;
unregister_server(pid);
}
}
/*
** Exit one client, local or remote. Assuming all dependants have
** been already removed, and socket closed for local client.
*/
static void exit_one_client(aClient *cptr, aClient *sptr, aClient *from,
const char *comment)
{
Reg aClient *acptr;
Reg int i;
Reg Link *lp;
invLink *ilp;
/*
** For a server or user quitting, propagage the information to
** other servers (except to the one where is came from (cptr))
*/
if (IsMe(sptr))
{
sendto_flag(SCH_ERROR,
"ERROR: tried to exit me! : %s", comment);
return; /* ...must *never* exit self!! */
}
else if (IsServer(sptr))
{
/*
** Old sendto_serv_but_one() call removed because we now
** need to send different names to different servers
** (domain name matching)
*/
if (!IsMasked(sptr))
{
istat.is_serv--;
}
if (!IsBursting(sptr))
{
istat.is_eobservers--;
}
for (i = fdas.highest; i >= 0; i--)
{
if (!(acptr = local[fdas.fd[i]]) || !IsServer(acptr) ||
acptr == cptr || IsMe(acptr))
{
continue;
}
if (!(sptr->flags & FLAGS_SQUIT))
{
/* Make sure we only send the last SQUIT
** to a 2.11. */
continue;
}
if ((acptr->flags & FLAGS_HIDDEN) &&
!IsMasked(sptr))
{
/* We need a special SQUIT reason, so
** the remote server can send the
** right quit message. */
sendto_one(acptr, ":%s SQUIT %s :%s %s",
sptr->serv->up->serv->sid,
sptr->serv->sid,
sptr->serv->up->name,
sptr->name);
}
else
{
sendto_one(acptr, ":%s SQUIT %s :%s",
sptr->serv->up->serv->sid,
sptr->serv->sid, comment);
}
}
#ifdef USE_SERVICES
check_services_butone(SERVICE_WANT_SQUIT, sptr->serv, sptr,
":%s SQUIT %s :%s", from->name,
sptr->name, comment);
#endif
del_from_sid_hash_table(sptr->serv);
remove_server_from_tree(sptr);
/* remove server from svrtop */
unregister_server(sptr);
}
else if (!IsPerson(sptr) && !IsService(sptr))
{
/* ...this test is *dubious*, would need
** some thougth.. but for now it plugs a
** nasty hole in the server... --msa
*/
; /* Nothing */
}
else if (sptr->name[0] && !IsService(sptr)) /* clean with QUIT... */
{
/*
** If this exit is generated from "m_kill", then there
** is no sense in sending the QUIT--KILL's have been
** sent instead.
*/
if ((sptr->flags & FLAGS_KILLED) == 0)
{
if ((sptr->flags & FLAGS_SPLIT) == 0)
{
sendto_serv_butone(cptr, ":%s QUIT :%s",
sptr->user->uid, comment);
#ifdef USE_SERVICES
check_services_butone(SERVICE_WANT_QUIT|
SERVICE_WANT_RQUIT,
(sptr->user) ?
sptr->user->servp
: NULL, cptr,
":%s QUIT :%s",
sptr->name, comment);
#endif
}
else
{
if (sptr->flags & FLAGS_HIDDEN)
/* joys of hostmasking */
for (i = fdas.highest; i >= 0; i--)
{
if (!(acptr =local[fdas.fd[i]])
|| acptr == cptr
|| IsMe(acptr))
continue;
if (acptr->flags & FLAGS_HIDDEN)
sendto_one(acptr,
":%s QUIT :%s",
sptr->user->uid,
comment);
}
#ifdef USE_SERVICES
check_services_butone(SERVICE_WANT_QUIT,
(sptr->user) ? sptr->user->servp
: NULL, cptr,
":%s QUIT :%s",
sptr->name, comment);
#endif
}
}
#ifdef USE_SERVICES
else
{
/* Send QUIT to services which desire such as well.
** Services with both _QUIT and _KILL will get both
** for now --jv
*/
check_services_butone(SERVICE_WANT_QUIT,
(sptr->user) ? sptr->user->servp
: NULL, cptr,
":%s QUIT :%s",
sptr->name, comment);
}
#endif
/*
** If a person is on a channel, send a QUIT notice
** to every client (person) on the same channel (so
** that the client can show the "**signoff" message).
** (Note: The notice is to the local clients *only*)
*/
if (sptr->user)
{
if (IsInvisible(sptr))
{
istat.is_user[1]--;
sptr->user->servp->usercnt[1]--;
}
else
{
istat.is_user[0]--;
sptr->user->servp->usercnt[0]--;
}
if (IsAnOper(sptr))
{
sptr->user->servp->usercnt[2]--;
istat.is_oper--;
}
sendto_common_channels(sptr, ":%s QUIT :%s",
sptr->name, comment);
if (!(acptr = cptr ? cptr : sptr->from))
acptr = sptr;
while ((lp = sptr->user->channel))
{
/*
** Mark channels from where remote chop left,
** this will eventually lock the channel.
** close_connection() has already been called,
** it makes MyConnect == False - krys
*/
if (sptr != cptr)
{
if (*lp->value.chptr->chname == '!')
{
if (!(sptr->flags &FLAGS_QUIT))
lp->value.chptr->history = timeofday + LDELAYCHASETIMELIMIT;
}
else if (
#ifndef BETTER_CDELAY
!(sptr->flags & FLAGS_QUIT) &&
#endif
is_chan_op(sptr, lp->value.chptr))
{
lp->value.chptr->history = timeofday + DELAYCHASETIMELIMIT;
}
}
if (IsAnonymous(lp->value.chptr) &&
!IsQuiet(lp->value.chptr))
{
sendto_channel_butserv(lp->value.chptr, sptr, ":%s PART %s :None", sptr->name, lp->value.chptr->chname);
}
remove_user_from_channel(sptr,lp->value.chptr);
}
/* Clean up invitefield */
while ((ilp = sptr->user->invited))
{
del_invite(sptr, ilp->chptr);
/* again, this is all that is needed */
}
/* remove from uid hash table */
if (sptr->user)
{
del_from_uid_hash_table(sptr->user->uid, sptr);
}
/* Add user to history */
#ifndef BETTER_NDELAY
add_history(sptr, (sptr->flags & FLAGS_QUIT) ?
&me : NULL);
#else
add_history(sptr, (sptr == cptr) ? &me : NULL);
#endif
off_history(sptr);
#ifdef USE_HOSTHASH
del_from_hostname_hash_table(sptr->user->host,
sptr->user);
#endif
#ifdef USE_IPHASH
del_from_ip_hash_table(sptr->user->sip, sptr->user);
#endif
}
}
else if (sptr->name[0] && IsService(sptr))
{
/*
** If this exit is generated from "m_kill", then there
** is no sense in sending the QUIT--KILL's have been
** sent instead.
*/
if ((sptr->flags & FLAGS_KILLED) == 0)
{
/*
** A service quitting is annoying, It has to be sent
** to connected servers depending on
** sptr->service->dist
*/
for (i = fdas.highest; i >= 0; i--)
{
if (!(acptr = local[fdas.fd[i]])
|| !IsServer(acptr) || acptr == cptr
|| IsMe(acptr))
{
continue;
}
if (match(sptr->service->dist, acptr->name) &&
match(sptr->service->dist, acptr->serv->sid))
{
continue;
}
sendto_one(acptr, ":%s QUIT :%s", sptr->name,
comment);
}
}
#ifdef USE_SERVICES
check_services_butone(SERVICE_WANT_SERVICE, NULL, NULL,
":%s QUIT :%s", sptr->name, comment);
#endif
/* MyConnect(sptr) is always FALSE here */
if (cptr == sptr)
{
sendto_flag(SCH_NOTICE, "Service %s disconnected",
get_client_name(sptr, TRUE));
}
sendto_flag(SCH_SERVICE, "Received QUIT %s from %s (%s)",
sptr->name, from->name, comment);
istat.is_service--;
}
/* Remove sptr from the client list */
if (del_from_client_hash_table(sptr->name, sptr) != 1)
{
Debug((DEBUG_ERROR, "%#x !in tab %s[%s] %#x %#x %#x %d %d %#x",
sptr, sptr->name,
sptr->from ? sptr->from->sockhost : "??host",
sptr->from, sptr->next, sptr->prev, sptr->fd,
sptr->status, sptr->user));
}
remove_client_from_list(sptr);
return;
}
