/* Rewritten by Run - 24 sept 94 */
static void exit_one_client(struct Client* bcptr, const char* comment)
{
struct SLink *lp;
struct Ban *bp;
if (cli_serv(bcptr) && cli_serv(bcptr)->client_list) /* Was SetServerYXX called ? */
ClearServerYXX(bcptr); /* Removes server from server_list[] */
if (IsUser(bcptr)) {
/*
* clear out uping requests
*/
if (IsUPing(bcptr))
uping_cancel(bcptr, 0);
/*
* Stop a running /LIST clean
*/
if (MyUser(bcptr) && cli_listing(bcptr)) {
MyFree(cli_listing(bcptr));
cli_listing(bcptr) = NULL;
}
/*
* 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*)
*/
sendcmdto_common_channels_butone(bcptr, CMD_QUIT, NULL, ":%s", comment);
remove_user_from_all_channels(bcptr);
/* Clean up invitefield */
while ((lp = cli_user(bcptr)->invited))
del_invite(bcptr, lp->value.chptr);
/* Clean up silencefield */
while ((bp = cli_user(bcptr)->silence)) {
cli_user(bcptr)->silence = bp->next;
free_ban(bp);
}
/* Clean up snotice lists */
if (MyUser(bcptr))
set_snomask(bcptr, ~0, SNO_DEL);
if (IsInvisible(bcptr)) {
assert(UserStats.inv_clients > 0);
--UserStats.inv_clients;
}
if (IsOper(bcptr)) {
assert(UserStats.opers > 0);
--UserStats.opers;
}
if (MyConnect(bcptr))
Count_clientdisconnects(bcptr, UserStats);
else
Count_remoteclientquits(UserStats, bcptr);
}
else if (IsServer(bcptr))
{
/* Remove downlink list node of uplink */
remove_dlink(&(cli_serv(cli_serv(bcptr)->up))->down, cli_serv(bcptr)->updown);
cli_serv(bcptr)->updown = 0;
if (MyConnect(bcptr))
Count_serverdisconnects(UserStats);
else
Count_remoteserverquits(UserStats);
}
else if (IsMe(bcptr))
{
sendto_opmask_butone(0, SNO_OLDSNO, "ERROR: tried to exit me! : %s",
comment);
return; /* ...must *never* exit self! */
}
else if (IsUnknown(bcptr) || IsConnecting(bcptr) || IsHandshake(bcptr))
Count_unknowndisconnects(UserStats);
/*
* Update IPregistry
*/
if (IsIPChecked(bcptr))
IPcheck_disconnect(bcptr);
/*
* Remove from serv->client_list
* NOTE: user is *always* NULL if this is a server
*/
if (cli_user(bcptr)) {
assert(!IsServer(bcptr));
/* bcptr->user->server->serv->client_list[IndexYXX(bcptr)] = NULL; */
RemoveYXXClient(cli_user(bcptr)->server, cli_yxx(bcptr));
}
/* Remove bcptr from the client list */
#ifdef DEBUGMODE
if (hRemClient(bcptr) != 0)
Debug((DEBUG_ERROR, "%p !in tab %s[%s] %p %p %p %d %d %p",
bcptr, cli_name(bcptr), cli_from(bcptr) ? cli_sockhost(cli_from(bcptr)) : "??host",
cli_from(bcptr), cli_next(bcptr), cli_prev(bcptr), cli_fd(bcptr),
cli_status(bcptr), cli_user(bcptr)));
#else
hRemClient(bcptr);
#endif
remove_client_from_list(bcptr);
}
/*
* 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, char *comment)
{
Link *lp;
/*
* For a server or user quitting, propogate the information to
* other servers (except to the one where is came from (cptr))
*/
if (IsMe(sptr))
{
sendto_ops("ERROR: tried to exit me! : %s", comment);
return; /* ...must *never* exit self!! */
}
else if (IsServer(sptr))
{
#ifdef ALWAYS_SEND_DURING_SPLIT
currently_processing_netsplit = YES;
#endif
exit_server(cptr, sptr, from, comment);
#ifdef ALWAYS_SEND_DURING_SPLIT
currently_processing_netsplit = NO;
#endif
return;
}
else if (!(IsPerson(sptr)))
/*
* ...this test is *dubious*, would need * some thought.. but for
* now it plugs a * nasty hole in the server... --msa
*/
; /* Nothing */
else if (sptr->name[0])
{
/* ...just clean all others 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)
{
sendto_serv_butone(cptr, ":%s QUIT :%s",
sptr->name, comment);
}
/*
* * 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)
{
send_part_to_common_channels(sptr, comment);
send_quit_to_common_channels(sptr, comment);
while ((lp = sptr->user->channel))
remove_user_from_channel(sptr, lp->value.chptr);
clones_remove(sptr);
#ifdef RWHO_PROBABILITY
probability_remove(sptr);
#endif
/* Clean up invitefield */
while ((lp = sptr->user->invited))
del_invite(sptr, lp->value.chptr);
/* Clean up silences */
while ((lp = sptr->user->silence))
del_silence(sptr, lp->value.cp);
remove_dcc_references(sptr);
/* again, this is all that is needed */
}
}
/* 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 user from watchlists */
if(IsRegistered(sptr))
hash_check_watch(sptr, RPL_LOGOFF);
remove_client_from_list(sptr);
return;
}
/*
** Exit one client, local or remote. Assuming all dependents have
** been already removed, and socket closed for local client.
*/
static void exit_one_client(struct Client *client_p,
struct Client *source_p,
struct Client *from, const char *comment)
{
struct Client* target_p;
dlink_node *lp;
dlink_node *next_lp;
if (IsServer(source_p))
{
if (source_p->servptr && source_p->servptr->serv)
del_client_from_llist(&(source_p->servptr->serv->servers),
source_p);
else
ts_warn("server %s without servptr!", source_p->name);
if(!IsMe(source_p))
remove_server_from_list(source_p);
}
else if (source_p->servptr && source_p->servptr->serv)
{
del_client_from_llist(&(source_p->servptr->serv->users), source_p);
}
/* there are clients w/o a servptr: unregistered ones */
/*
** For a server or user quitting, propogate the information to
** other servers (except to the one where is came from (client_p))
*/
if (IsMe(source_p))
{
sendto_realops_flags(FLAGS_ALL, L_ALL,
"ERROR: tried to exit me! : %s", comment);
return; /* ...must *never* exit self!! */
}
else if (IsServer(source_p))
{
/*
** Old sendto_serv_but_one() call removed because we now
** need to send different names to different servers
** (domain name matching)
*/
/*
** The bulk of this is done in remove_dependents now, all
** we have left to do is send the SQUIT upstream. -orabidoo
*/
if (source_p->localClient)
{
if(source_p->localClient->ctrlfd > -1)
{
fd_close(source_p->localClient->ctrlfd);
source_p->localClient->ctrlfd = -1;
#ifndef HAVE_SOCKETPAIR
fd_close(source_p->localClient->ctrlfd_r);
fd_close(source_p->localClient->fd_r);
source_p->localClient->ctrlfd_r = -1;
source_p->localClient->fd_r = -1;
#endif
}
}
target_p = source_p->from;
if (target_p && IsServer(target_p) && target_p != client_p && !IsMe(target_p) &&
(source_p->flags & FLAGS_KILLED) == 0)
sendto_one(target_p, ":%s SQUIT %s :%s", from->name, source_p->name, comment);
}
else if (source_p->name[0]) /* ...just clean all others 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 ((source_p->flags & FLAGS_KILLED) == 0)
{
sendto_server(client_p, source_p, NULL, NOCAPS, NOCAPS,
NOFLAGS, ":%s QUIT :%s", source_p->name, comment);
}
/*
** 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 (source_p->user)
{
sendto_common_channels_local(source_p, ":%s!%s@%s QUIT :%s",
source_p->name,
source_p->username,
source_p->host,
comment);
for (lp = source_p->user->channel.head; lp; lp = next_lp)
{
next_lp = lp->next;
remove_user_from_channel(lp->data, source_p);
}
/* Should not be in any channels now */
assert(source_p->user->channel.head == NULL);
/* Clean up invitefield */
for (lp = source_p->user->invited.head; lp; lp = next_lp)
{
next_lp = lp->next;
del_invite(lp->data, source_p);
}
/* Clean up allow lists */
del_all_accepts(source_p);
add_history(source_p, 0);
off_history(source_p);
if (HasID(source_p))
del_from_id_hash_table(source_p->user->id, source_p);
/* again, this is all that is needed */
}
}
/*
* Remove source_p from the client lists
*/
del_from_client_hash_table(source_p->name, source_p);
/* remove from global client list */
remove_client_from_list(source_p);
/* Check to see if the client isn't already on the dead list */
assert(dlinkFind(&dead_list, source_p) == NULL);
/* add to dead client dlist */
lp = make_dlink_node();
SetDead(source_p);
dlinkAdd(source_p, lp, &dead_list);
}
void
exit_one_server(aClient *cptr, aClient *dead, aClient *from,
aClient *lcptr, char *spinfo, char *comment)
{
aClient *acptr, *next;
DLink *lp;
/* okay, this is annoying.
* first off, we need two loops.
* one: to remove all the clients.
* two: to remove all the servers.
* HOWEVER! removing a server may cause removal of more servers
* and more clients.
* and this may make our pointer to next bad. therefore, we have to restart
* the server loop each time we find a server.
* We _NEED_ two different loops: all clients must be removed "
* before the server is
* removed. Otherwise, bad things (tm) can happen.
*/
Debug((DEBUG_NOTICE, "server noquit: %s", cptr->name));
for (acptr = client; acptr; acptr = next)
{
next = acptr->next; /* we might destroy this client record
* in the loop. */
if(acptr->uplink != cptr || !IsPerson(acptr))
continue;
exit_one_client_in_split(acptr, dead, spinfo);
}
for (acptr = client; acptr; acptr = next)
{
next = acptr->next; /* we might destroy this client record in
* the loop. */
if(acptr->uplink != cptr || !IsServer(acptr))
continue;
exit_one_server(acptr, dead, from, lcptr, spinfo, comment);
next = client; /* restart the loop */
}
Debug((DEBUG_NOTICE, "done exiting server: %s", cptr->name));
for (lp = server_list; lp; lp = lp->next)
{
acptr = lp->value.cptr;
if (acptr == cptr || IsMe(acptr) ||
acptr == dead || acptr == lcptr)
continue;
/* if the server is noquit, we only want to send it
* information about 'dead'
* if it's not, this server gets split information for ALL
* dead servers.
*/
#ifdef NOQUIT
if(IsNoquit(acptr))
#endif
if(cptr != dead)
continue;
if (cptr->from == acptr) /* "upstream" squit */
sendto_one(acptr, ":%s SQUIT %s :%s", from->name, cptr->name,
comment);
else
sendto_one(acptr, "SQUIT %s :%s", cptr->name, comment);
}
del_from_client_hash_table(cptr->name, cptr);
hash_check_watch(cptr, RPL_LOGOFF);
remove_client_from_list(cptr);
}
