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client.c
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client.c
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/*
* charybdis: an advanced ircd.
* client.c: Controls clients.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
* Copyright (C) 2007 William Pitcock
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: client.c 3514 2007-06-06 16:25:21Z nenolod $
*/
#include "stdinc.h"
#include "config.h"
#include "client.h"
#include "class.h"
#include "common.h"
#include "hash.h"
#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "packet.h"
#include "s_auth.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "logger.h"
#include "s_serv.h"
#include "s_stats.h"
#include "send.h"
#include "whowas.h"
#include "s_user.h"
#include "hash.h"
#include "hostmask.h"
#include "listener.h"
#include "hook.h"
#include "msg.h"
#include "monitor.h"
#include "blacklist.h"
#include "reject.h"
#include "scache.h"
#include "irc_dictionary.h"
#include "sslproc.h"
#define DEBUG_EXITED_CLIENTS
static void check_pings_list(rb_dlink_list * list);
static void check_unknowns_list(rb_dlink_list * list);
static void free_exited_clients(void *unused);
static void exit_aborted_clients(void *unused);
static int exit_remote_client(struct Client *, struct Client *, struct Client *,const char *);
static int exit_remote_server(struct Client *, struct Client *, struct Client *,const char *);
static int exit_local_client(struct Client *, struct Client *, struct Client *,const char *);
static int exit_unknown_client(struct Client *, struct Client *, struct Client *,const char *);
static int exit_local_server(struct Client *, struct Client *, struct Client *,const char *);
static int qs_server(struct Client *, struct Client *, struct Client *, const char *comment);
static EVH check_pings;
static rb_bh *client_heap = NULL;
static rb_bh *lclient_heap = NULL;
static rb_bh *pclient_heap = NULL;
static rb_bh *user_heap = NULL;
static rb_bh *away_heap = NULL;
static char current_uid[IDLEN];
struct Dictionary *nd_dict = NULL;
enum
{
D_LINED,
K_LINED
};
rb_dlink_list dead_list;
#ifdef DEBUG_EXITED_CLIENTS
static rb_dlink_list dead_remote_list;
#endif
struct abort_client
{
rb_dlink_node node;
struct Client *client;
char notice[REASONLEN];
};
static rb_dlink_list abort_list;
/*
* init_client
*
* inputs - NONE
* output - NONE
* side effects - initialize client free memory
*/
void
init_client(void)
{
/*
* start off the check ping event .. -- adrian
* Every 30 seconds is plenty -- db
*/
client_heap = rb_bh_create(sizeof(struct Client), CLIENT_HEAP_SIZE, "client_heap");
lclient_heap = rb_bh_create(sizeof(struct LocalUser), LCLIENT_HEAP_SIZE, "lclient_heap");
pclient_heap = rb_bh_create(sizeof(struct PreClient), PCLIENT_HEAP_SIZE, "pclient_heap");
user_heap = rb_bh_create(sizeof(struct User), USER_HEAP_SIZE, "user_heap");
away_heap = rb_bh_create(AWAYLEN, AWAY_HEAP_SIZE, "away_heap");
rb_event_addish("check_pings", check_pings, NULL, 30);
rb_event_addish("free_exited_clients", &free_exited_clients, NULL, 4);
rb_event_addish("exit_aborted_clients", exit_aborted_clients, NULL, 1);
rb_event_add("flood_recalc", flood_recalc, NULL, 1);
nd_dict = irc_dictionary_create(irccmp);
}
/*
* make_client - create a new Client struct and set it to initial state.
*
* from == NULL, create local client (a client connected
* to a socket).
*
* from, create remote client (behind a socket
* associated with the client defined by
* 'from'). ('from' is a local client!!).
*/
struct Client *
make_client(struct Client *from)
{
struct Client *client_p = NULL;
struct LocalUser *localClient;
client_p = rb_bh_alloc(client_heap);
if(from == NULL)
{
client_p->from = client_p; /* 'from' of local client is self! */
localClient = rb_bh_alloc(lclient_heap);
SetMyConnect(client_p);
client_p->localClient = localClient;
client_p->localClient->lasttime = client_p->localClient->firsttime = rb_current_time();
client_p->localClient->F = NULL;
client_p->preClient = rb_bh_alloc(pclient_heap);;
/* as good a place as any... */
rb_dlinkAdd(client_p, &client_p->localClient->tnode, &unknown_list);
}
else
{ /* from is not NULL */
client_p->localClient = NULL;
client_p->preClient = NULL;
client_p->from = from; /* 'from' of local client is self! */
}
SetUnknown(client_p);
strcpy(client_p->username, "unknown");
return client_p;
}
void
free_pre_client(struct Client *client_p)
{
struct Blacklist *blptr;
s_assert(NULL != client_p);
if(client_p->preClient == NULL)
return;
blptr = client_p->preClient->dnsbl_listed;
if (blptr != NULL)
unref_blacklist(blptr);
abort_blacklist_queries(client_p);
rb_bh_free(pclient_heap, client_p->preClient);
client_p->preClient = NULL;
}
static void
free_local_client(struct Client *client_p)
{
s_assert(NULL != client_p);
s_assert(&me != client_p);
if(client_p->localClient == NULL)
return;
/*
* clean up extra sockets from P-lines which have been discarded.
*/
if(client_p->localClient->listener)
{
s_assert(0 < client_p->localClient->listener->ref_count);
if(0 == --client_p->localClient->listener->ref_count
&& !client_p->localClient->listener->active)
free_listener(client_p->localClient->listener);
client_p->localClient->listener = 0;
}
if(client_p->localClient->F != NULL)
{
del_from_cli_fd_hash(client_p);
rb_close(client_p->localClient->F);
}
if(client_p->localClient->passwd)
{
memset(client_p->localClient->passwd, 0,
strlen(client_p->localClient->passwd));
rb_free(client_p->localClient->passwd);
}
rb_free(client_p->localClient->auth_user);
rb_free(client_p->localClient->challenge);
rb_free(client_p->localClient->fullcaps);
rb_free(client_p->localClient->opername);
rb_free(client_p->localClient->mangledhost);
if (client_p->localClient->privset)
privilegeset_unref(client_p->localClient->privset);
if(IsSSL(client_p))
ssld_decrement_clicount(client_p->localClient->ssl_ctl);
if(IsCapable(client_p, CAP_ZIP))
ssld_decrement_clicount(client_p->localClient->z_ctl);
rb_bh_free(lclient_heap, client_p->localClient);
client_p->localClient = NULL;
}
void
free_client(struct Client *client_p)
{
s_assert(NULL != client_p);
s_assert(&me != client_p);
free_local_client(client_p);
free_pre_client(client_p);
rb_free(client_p->certfp);
rb_bh_free(client_heap, client_p);
}
/*
* check_pings - go through the local client list and check activity
* kill off stuff that should die
*
* inputs - NOT USED (from event)
* output - next time_t when check_pings() should be called again
* side effects -
*
*
* A PING can be sent to clients as necessary.
*
* Client/Server ping outs are handled.
*/
/*
* Addon from adrian. We used to call this after nextping seconds,
* however I've changed it to run once a second. This is only for
* PING timeouts, not K/etc-line checks (thanks dianora!). Having it
* run once a second makes life a lot easier - when a new client connects
* and they need a ping in 4 seconds, if nextping was set to 20 seconds
* we end up waiting 20 seconds. This is stupid. :-)
* I will optimise (hah!) check_pings() once I've finished working on
* tidying up other network IO evilnesses.
* -- adrian
*/
static void
check_pings(void *notused)
{
check_pings_list(&lclient_list);
check_pings_list(&serv_list);
check_unknowns_list(&unknown_list);
}
/*
* Check_pings_list()
*
* inputs - pointer to list to check
* output - NONE
* side effects -
*/
static void
check_pings_list(rb_dlink_list * list)
{
char scratch[32]; /* way too generous but... */
struct Client *client_p; /* current local client_p being examined */
int ping = 0; /* ping time value from client */
rb_dlink_node *ptr, *next_ptr;
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
{
client_p = ptr->data;
if(!MyConnect(client_p) || IsDead(client_p))
continue;
ping = get_client_ping(client_p);
if(ping < (rb_current_time() - client_p->localClient->lasttime))
{
/*
* If the client/server hasnt talked to us in 2*ping seconds
* and it has a ping time, then close its connection.
*/
if(((rb_current_time() - client_p->localClient->lasttime) >= (2 * ping)
&& (client_p->flags & FLAGS_PINGSENT)))
{
if(IsServer(client_p))
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"No response from %s, closing link",
client_p->name);
ilog(L_SERVER,
"No response from %s, closing link",
log_client_name(client_p, HIDE_IP));
}
(void) rb_snprintf(scratch, sizeof(scratch),
"Ping timeout: %d seconds",
(int) (rb_current_time() - client_p->localClient->lasttime));
exit_client(client_p, client_p, &me, scratch);
continue;
}
else if((client_p->flags & FLAGS_PINGSENT) == 0)
{
/*
* if we havent PINGed the connection and we havent
* heard from it in a while, PING it to make sure
* it is still alive.
*/
client_p->flags |= FLAGS_PINGSENT;
/* not nice but does the job */
client_p->localClient->lasttime = rb_current_time() - ping;
sendto_one(client_p, "PING :%s", me.name);
}
}
/* ping_timeout: */
}
}
/*
* check_unknowns_list
*
* inputs - pointer to list of unknown clients
* output - NONE
* side effects - unknown clients get marked for termination after n seconds
*/
static void
check_unknowns_list(rb_dlink_list * list)
{
rb_dlink_node *ptr, *next_ptr;
struct Client *client_p;
int timeout;
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
{
client_p = ptr->data;
if(IsDead(client_p) || IsClosing(client_p))
continue;
/* still has DNSbls to validate against */
if(client_p->preClient != NULL &&
rb_dlink_list_length(&client_p->preClient->dnsbl_queries) > 0)
continue;
/*
* Check UNKNOWN connections - if they have been in this state
* for > 30s, close them.
*/
timeout = IsAnyServer(client_p) ? ConfigFileEntry.connect_timeout : 30;
if((rb_current_time() - client_p->localClient->firsttime) > timeout)
{
if(IsAnyServer(client_p))
{
sendto_realops_snomask(SNO_GENERAL, is_remote_connect(client_p) ? L_NETWIDE : L_ALL,
"No response from %s, closing link",
client_p->name);
ilog(L_SERVER,
"No response from %s, closing link",
log_client_name(client_p, HIDE_IP));
}
exit_client(client_p, client_p, &me, "Connection timed out");
}
}
}
static void
notify_banned_client(struct Client *client_p, struct ConfItem *aconf, int ban)
{
static const char conn_closed[] = "Connection closed";
static const char d_lined[] = "D-lined";
static const char k_lined[] = "K-lined";
const char *reason = NULL;
const char *exit_reason = conn_closed;
if(ConfigFileEntry.kline_with_reason)
{
reason = get_user_ban_reason(aconf);
exit_reason = reason;
}
else
{
reason = aconf->status == D_LINED ? d_lined : k_lined;
}
if(ban == D_LINED && !IsPerson(client_p))
sendto_one(client_p, "NOTICE DLINE :*** You have been D-lined");
else
sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
me.name, client_p->name, reason);
exit_client(client_p, client_p, &me,
EmptyString(ConfigFileEntry.kline_reason) ? exit_reason :
ConfigFileEntry.kline_reason);
}
/*
* check_banned_lines
* inputs - NONE
* output - NONE
* side effects - Check all connections for a pending k/dline against the
* client, exit the client if found.
*/
void
check_banned_lines(void)
{
check_dlines();
check_klines();
check_xlines();
}
/* check_klines_event()
*
* inputs -
* outputs -
* side effects - check_klines() is called, kline_queued unset
*/
void
check_klines_event(void *unused)
{
kline_queued = 0;
check_klines();
}
/* check_klines
*
* inputs -
* outputs -
* side effects - all clients will be checked for klines
*/
void
check_klines(void)
{
struct Client *client_p;
struct ConfItem *aconf;
rb_dlink_node *ptr;
rb_dlink_node *next_ptr;
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
{
client_p = ptr->data;
if(IsMe(client_p) || !IsPerson(client_p))
continue;
if((aconf = find_kline(client_p)) != NULL)
{
if(IsExemptKline(client_p))
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"KLINE over-ruled for %s, client is kline_exempt [%s@%s]",
get_client_name(client_p, HIDE_IP),
aconf->user, aconf->host);
continue;
}
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"KLINE active for %s",
get_client_name(client_p, HIDE_IP));
notify_banned_client(client_p, aconf, K_LINED);
continue;
}
}
}
/* check_dlines()
*
* inputs -
* outputs -
* side effects - all clients will be checked for dlines
*/
void
check_dlines(void)
{
struct Client *client_p;
struct ConfItem *aconf;
rb_dlink_node *ptr;
rb_dlink_node *next_ptr;
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
{
client_p = ptr->data;
if(IsMe(client_p))
continue;
if((aconf = find_dline((struct sockaddr *)&client_p->localClient->ip,client_p->localClient->ip.ss_family)) != NULL)
{
if(aconf->status & CONF_EXEMPTDLINE)
continue;
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"DLINE active for %s",
get_client_name(client_p, HIDE_IP));
notify_banned_client(client_p, aconf, D_LINED);
continue;
}
}
/* dlines need to be checked against unknowns too */
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
{
client_p = ptr->data;
if((aconf = find_dline((struct sockaddr *)&client_p->localClient->ip,client_p->localClient->ip.ss_family)) != NULL)
{
if(aconf->status & CONF_EXEMPTDLINE)
continue;
notify_banned_client(client_p, aconf, D_LINED);
}
}
}
/* check_xlines
*
* inputs -
* outputs -
* side effects - all clients will be checked for xlines
*/
void
check_xlines(void)
{
struct Client *client_p;
struct ConfItem *aconf;
rb_dlink_node *ptr;
rb_dlink_node *next_ptr;
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
{
client_p = ptr->data;
if(IsMe(client_p) || !IsPerson(client_p))
continue;
if((aconf = find_xline(client_p->info, 1)) != NULL)
{
if(IsExemptKline(client_p))
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"XLINE over-ruled for %s, client is kline_exempt [%s]",
get_client_name(client_p, HIDE_IP),
aconf->host);
continue;
}
sendto_realops_snomask(SNO_GENERAL, L_ALL, "XLINE active for %s",
get_client_name(client_p, HIDE_IP));
(void) exit_client(client_p, client_p, &me, "Bad user info");
continue;
}
}
}
/* resv_nick_fnc
*
* inputs - resv, reason, time
* outputs - NONE
* side effects - all local clients matching resv will be FNC'd
*/
void
resv_nick_fnc(const char *mask, const char *reason, int temp_time)
{
struct Client *client_p, *target_p;
rb_dlink_node *ptr;
rb_dlink_node *next_ptr;
char *nick;
char note[NICKLEN+10];
if (!ConfigFileEntry.resv_fnc)
return;
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, lclient_list.head)
{
client_p = ptr->data;
if(IsMe(client_p) || !IsPerson(client_p) || IsExemptResv(client_p))
continue;
/* Skip users that already have UID nicks. */
if(IsDigit(client_p->name[0]))
continue;
if(match_esc(mask, client_p->name))
{
nick = client_p->id;
/* Tell opers. */
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"RESV forced nick change for %s!%s@%s to %s; nick matched [%s] (%s)",
client_p->name, client_p->username, client_p->host, nick, mask, reason);
sendto_realops_snomask(SNO_NCHANGE, L_ALL,
"Nick change: From %s to %s [%s@%s]",
client_p->name, nick, client_p->username, client_p->host);
/* Tell the user. */
if (temp_time > 0)
{
sendto_one_notice(client_p,
":*** Nick %s is temporarily unavailable on this server.",
client_p->name);
}
else
{
sendto_one_notice(client_p,
":*** Nick %s is no longer available on this server.",
client_p->name);
}
/* Do all of the nick-changing gymnastics. */
client_p->tsinfo = rb_current_time();
add_history(client_p, 1);
monitor_signoff(client_p);
invalidate_bancache_user(client_p);
sendto_common_channels_local(client_p, NOCAPS, ":%s!%s@%s NICK :%s",
client_p->name, client_p->username, client_p->host, nick);
sendto_server(client_p, NULL, CAP_TS6, NOCAPS, ":%s NICK %s :%ld",
use_id(client_p), nick, (long) client_p->tsinfo);
del_from_client_hash(client_p->name, client_p);
rb_strlcpy(client_p->name, nick, sizeof(client_p->name));
add_to_client_hash(nick, client_p);
monitor_signon(client_p);
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
{
target_p = ptr->data;
rb_dlinkFindDestroy(client_p, &target_p->localClient->allow_list);
rb_dlinkDestroy(ptr, &client_p->on_allow_list);
}
rb_snprintf(note, sizeof(note), "Nick: %s", nick);
rb_note(client_p->localClient->F, note);
}
}
}
/*
* update_client_exit_stats
*
* input - pointer to client
* output - NONE
* side effects -
*/
static void
update_client_exit_stats(struct Client *client_p)
{
if(IsServer(client_p))
{
sendto_realops_snomask(SNO_EXTERNAL, L_ALL,
"Server %s split from %s",
client_p->name, client_p->servptr->name);
if(HasSentEob(client_p))
eob_count--;
}
else if(IsClient(client_p))
{
--Count.total;
if(IsOper(client_p))
--Count.oper;
if(IsInvisible(client_p))
--Count.invisi;
}
if(splitchecking && !splitmode)
check_splitmode(NULL);
}
/*
* release_client_state
*
* input - pointer to client to release
* output - NONE
* side effects -
*/
static void
release_client_state(struct Client *client_p)
{
if(client_p->user != NULL)
{
free_user(client_p->user, client_p); /* try this here */
}
if(client_p->serv)
{
if(client_p->serv->user != NULL)
free_user(client_p->serv->user, client_p);
if(client_p->serv->fullcaps)
rb_free(client_p->serv->fullcaps);
rb_free(client_p->serv);
}
}
/*
* remove_client_from_list
* inputs - point to client to remove
* output - NONE
* side effects - taken the code from ExitOneClient() for this
* and placed it here. - avalon
*/
static void
remove_client_from_list(struct Client *client_p)
{
s_assert(NULL != client_p);
if(client_p == NULL)
return;
/* A client made with make_client()
* is on the unknown_list until removed.
* If it =does= happen to exit before its removed from that list
* and its =not= on the global_client_list, it will core here.
* short circuit that case now -db
*/
if(client_p->node.prev == NULL && client_p->node.next == NULL)
return;
rb_dlinkDelete(&client_p->node, &global_client_list);
update_client_exit_stats(client_p);
}
/*
* find_person - find person by (nick)name.
* inputs - pointer to name
* output - return client pointer
* side effects -
*/
struct Client *
find_person(const char *name)
{
struct Client *c2ptr;
c2ptr = find_client(name);
if(c2ptr && IsPerson(c2ptr))
return (c2ptr);
return (NULL);
}
struct Client *
find_named_person(const char *name)
{
struct Client *c2ptr;
c2ptr = find_named_client(name);
if(c2ptr && IsPerson(c2ptr))
return (c2ptr);
return (NULL);
}
/*
* find_chasing - find the client structure for a nick name (user)
* using history mechanism if necessary. If the client is not found,
* an error message (NO SUCH NICK) is generated. If the client was found
* through the history, chasing will be 1 and otherwise 0.
*/
struct Client *
find_chasing(struct Client *source_p, const char *user, int *chasing)
{
struct Client *who;
if(MyClient(source_p))
who = find_named_person(user);
else
who = find_person(user);
if(chasing)
*chasing = 0;
if(who || IsDigit(*user))
return who;
if(!(who = get_history(user, (long) KILLCHASETIMELIMIT)))
{
sendto_one_numeric(source_p, ERR_NOSUCHNICK,
form_str(ERR_NOSUCHNICK), user);
return (NULL);
}
if(chasing)
*chasing = 1;
return who;
}
/*
* get_client_name - Return the name of the client
* for various tracking and
* admin purposes. The main purpose of this function is to
* return the "socket host" name of the client, if that
* differs from the advertised name (other than case).
* But, this can be used to any client structure.
*
* NOTE 1:
* Watch out the allocation of "nbuf", if either source_p->name
* or source_p->sockhost gets changed into pointers instead of
* directly allocated within the structure...
*
* NOTE 2:
* Function return either a pointer to the structure (source_p) or
* to internal buffer (nbuf). *NEVER* use the returned pointer
* to modify what it points!!!
*/
const char *
get_client_name(struct Client *client, int showip)
{
static char nbuf[HOSTLEN * 2 + USERLEN + 5];
s_assert(NULL != client);
if(client == NULL)
return NULL;
if(MyConnect(client))
{
if(!irccmp(client->name, client->host))
return client->name;
if(ConfigFileEntry.hide_spoof_ips &&
showip == SHOW_IP && IsIPSpoof(client))
showip = MASK_IP;
if(IsAnyServer(client))
showip = MASK_IP;
/* And finally, let's get the host information, ip or name */
switch (showip)
{
case SHOW_IP:
rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
client->name, client->username,
client->sockhost);
break;
case MASK_IP:
rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
client->name, client->username);
break;
default:
rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
client->name, client->username, client->host);
}
return nbuf;
}
/* As pointed out by Adel Mezibra
* Neph|l|m@EFnet. Was missing a return here.
*/
return client->name;
}
/* log_client_name()
*
* This version is the same as get_client_name, but doesnt contain the
* code that will hide IPs always. This should be used for logfiles.
*/
const char *
log_client_name(struct Client *target_p, int showip)
{
static char nbuf[HOSTLEN * 2 + USERLEN + 5];
if(target_p == NULL)
return NULL;
if(MyConnect(target_p))
{
if(irccmp(target_p->name, target_p->host) == 0)
return target_p->name;
switch (showip)
{
case SHOW_IP:
rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]", target_p->name,
target_p->username, target_p->sockhost);
break;
case MASK_IP:
rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
target_p->name, target_p->username);
default:
rb_snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]", target_p->name,
target_p->username, target_p->host);
}
return nbuf;
}
return target_p->name;
}
/* is_remote_connect - Returns whether a server was /connect'ed by a remote
* oper (send notices netwide) */
int
is_remote_connect(struct Client *client_p)
{
struct Client *oper;
if (client_p->serv == NULL)
return FALSE;
oper = find_named_person(client_p->serv->by);
return oper != NULL && IsOper(oper) && !MyConnect(oper);
}
static void
free_exited_clients(void *unused)
{
rb_dlink_node *ptr, *next;
struct Client *target_p;
RB_DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
{
target_p = ptr->data;
#ifdef DEBUG_EXITED_CLIENTS
{
struct abort_client *abt;
rb_dlink_node *aptr;
int found = 0;
RB_DLINK_FOREACH(aptr, abort_list.head)
{
abt = aptr->data;
if(abt->client == target_p)
{
s_assert(0);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"On abort_list: %s stat: %u flags: %u/%u handler: %c",
target_p->name, (unsigned int) target_p->status,
target_p->flags, target_p->flags2, target_p->handler);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Please report this to the charybdis developers!");
found++;
}
}
if(found)
{
rb_dlinkDestroy(ptr, &dead_list);
continue;
}
}
#endif
if(ptr->data == NULL)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Warning: null client on dead_list!");