/**
* Removes all clients and downlinks (+clients) of any server
* QUITs are generated and sent to local users.
* @param cptr server that must have all dependents removed
* @param sptr source who thought that this was a good idea
* @param comment comment sent as sign off message to local clients
*/
static void exit_downlinks(struct Client *cptr, struct Client *sptr, char *comment)
{
struct Client *acptr;
struct DLink *next;
struct DLink *lp;
struct Client **acptrp;
int i;
/* Run over all its downlinks */
for (lp = cli_serv(cptr)->down; lp; lp = next)
{
next = lp->next;
acptr = lp->value.cptr;
/* Remove the downlinks and client of the downlink */
exit_downlinks(acptr, sptr, comment);
/* Remove the downlink itself */
exit_one_client(acptr, cli_name(&me));
}
/* Remove all clients of this server */
acptrp = cli_serv(cptr)->client_list;
for (i = 0; i <= cli_serv(cptr)->nn_mask; ++acptrp, ++i) {
if (*acptrp)
exit_one_client(*acptrp, comment);
}
}
/*
* added sanity test code.... source_p->serv might be NULL...
*/
static void recurse_remove_clients(struct Client* source_p, const char* comment)
{
struct Client *target_p;
if (IsMe(source_p))
return;
if (source_p->serv == NULL) /* oooops. uh this is actually a major bug */
return;
while ((target_p = source_p->serv->users))
{
target_p->flags |= FLAGS_KILLED;
exit_one_client(NULL, target_p, &me, comment);
}
while ((target_p = source_p->serv->servers))
{
recurse_remove_clients(target_p, comment);
/*
** a server marked as "KILLED" won't send a SQUIT
** in exit_one_client() -orabidoo
*/
target_p->flags |= FLAGS_KILLED;
exit_one_client(NULL, target_p, &me, me.name);
}
}
/*
** exit_server(): Removes all dependent servers and clients, and
** sends the right messages to the right client/servers.
**
** We will send all SQUITs to &servers, and QUITs to local users.
** We only send 1 SQUIT to a 2.11 servers.
** We send all SQUITs to a 2.10 servers that can see it, or QUITs otherwise.
**
** Argument:
** cptr: The real server to SQUIT.
** acptr: One of the depended servers to SQUIT.
** from: Originator of SQUIT.
** comment: The original comment for the SQUIT. (Only for cptr itself.)
** comment2: The comment for (S)QUIT reasons for the rest.
*/
static void exit_server(aClient *cptr, aClient *acptr, aClient *from,
const char *comment, const char *comment2)
{
aClient *acptr2;
int flags;
/* Remove all the servers recursively. */
while (acptr->serv->down)
{
exit_server(cptr, acptr->serv->down, from, comment, comment2);
}
/* Here we should send "Received SQUIT" for last server,
** but exit_client() is doing (well, almost) this --Beeth */
/* This server doesn't have any depedent servers anymore, only
** users/services left. */
flags = FLAGS_SPLIT;
/*
** We'll mark all servers that can't see that server as hidden.
** If we found any, we'll also mark all users on that server hidden.
** If a user is marked hidden, and we try to send it to a currently
** marked server, the server can't see that user's server.
** Note that a 2.11 can see it, so we don't have to send the QUITs
** to it.
*/
if (mark_blind_servers(cptr, acptr))
{
flags |= FLAGS_HIDDEN;
}
/* Quit all users and services. */
while (GotDependantClient(acptr))
{
acptr2 = acptr->prev;
acptr2->flags |= flags;
exit_one_client(cptr->from, acptr2, from, comment2);
}
/* Make sure we only send the last SQUIT to a 2.11 server. */
if (acptr == cptr)
{
acptr->flags |= FLAGS_SQUIT;
}
if (!IsMasked(acptr))
{
sendto_flag(SCH_SERVER,
"Received SQUIT %s from %s (%s)", acptr->name,
from->name,
acptr == cptr ? comment : comment2);
}
exit_one_client(cptr->from, acptr, from,
acptr == cptr ? comment : comment2);
return;
}
/*
* exit_client
* This is old "m_bye". Name changed, because this is not a
* protocol function, but a general server utility function.
*
* This function exits a client of *any* type (user, server, etc)
* from this server. Also, this generates all necessary prototol
* messages that this exit may cause.
*
* 1) If the client is a local client, then this implicitly exits
* all other clients depending on this connection (e.g. remote
* clients having 'from'-field that points to this.
*
* 2) If the client is a remote client, then only this is exited.
*
* For convenience, this function returns a suitable value for
* m_function return value:
*
* FLUSH_BUFFER if (cptr == sptr)
* 0 if (cptr != sptr)
*/
int
exit_client(aClient *cptr, aClient *sptr, aClient *from, char *comment)
{
#ifdef FNAME_USERLOG
time_t on_for;
#endif
if (MyConnect(sptr))
{
call_hooks(CHOOK_SIGNOFF, sptr);
if (IsUnknown(sptr))
Count.unknown--;
if (IsAnOper(sptr))
remove_from_list(&oper_list, sptr, NULL);
if (sptr->flags & FLAGS_HAVERECVQ)
{
/* mark invalid, will be deleted in do_recvqs() */
DLink *lp = find_dlink(recvq_clients, sptr);
if (lp)
lp->flags = -1;
}
if (IsClient(sptr))
Count.local--;
if (IsNegoServer(sptr))
sendto_realops("Lost server %s during negotiation: %s",
sptr->name, comment);
if (IsServer(sptr))
{
Count.myserver--;
if (IsULine(sptr))
Count.myulined--;
remove_from_list(&server_list, sptr, NULL);
if (server_list == NULL)
server_was_split = YES;
}
sptr->flags |= FLAGS_CLOSING;
if (IsPerson(sptr))
{
Link *lp, *next;
LOpts *lopt = sptr->user->lopt;
/* poof goes their watchlist! */
hash_del_watch_list(sptr);
/* if they have listopts, axe those, too */
if(lopt != NULL)
{
remove_from_list(&listing_clients, sptr, NULL);
for (lp = lopt->yeslist; lp; lp = next)
{
next = lp->next;
MyFree(lp->value.cp);
free_link(lp);
}
for (lp = lopt->nolist; lp; lp = next)
{
next = lp->next;
MyFree(lp->value.cp);
free_link(lp);
}
MyFree(sptr->user->lopt);
sptr->user->lopt = NULL;
}
sendto_realops_lev(CCONN_LEV,
"Client exiting: %s (%s@%s) [%s] [%s]",
sptr->name, sptr->user->username,
sptr->user->host,
(sptr->flags & FLAGS_NORMALEX) ?
"Client Quit" : comment,
sptr->hostip);
}
#ifdef FNAME_USERLOG
on_for = timeofday - sptr->firsttime;
#endif
#if defined(USE_SYSLOG) && defined(SYSLOG_USERS)
if (IsPerson(sptr))
syslog(LOG_NOTICE, "%s (%3d:%02d:%02d): %s!%s@%s %d/%d\n",
myctime(sptr->firsttime),
on_for / 3600, (on_for % 3600) / 60,
on_for % 60, sptr->name,
sptr->user->username, sptr->user->host,
sptr->sendK, sptr->receiveK);
#endif
#if defined(FNAME_USERLOG)
{
char linebuf[300];
static int logfile = -1;
static long lasttime;
/*
* This conditional makes the logfile active only after it's
* been created - thus logging can be turned off by removing
* the file.
*
* stop NFS hangs...most systems should be able to open a file in
* 3 seconds. -avalon (curtesy of wumpus)
*
* Keep the logfile open, syncing it every 10 seconds -Taner
*/
if (IsPerson(sptr))
{
if (logfile == -1)
{
alarm(3);
logfile = open(FNAME_USERLOG, O_WRONLY | O_APPEND);
alarm(0);
}
ircsprintf(linebuf, "%s (%3d:%02d:%02d): %s!%s@%s %d/%d\n",
myctime(sptr->firsttime), on_for / 3600,
(on_for % 3600) / 60, on_for % 60,
sptr->name, sptr->user->username,
sptr->user->host, sptr->sendK, sptr->receiveK);
alarm(3);
write(logfile, linebuf, strlen(linebuf));
alarm(0);
/* Resync the file evey 10 seconds*/
if (timeofday - lasttime > 10)
{
alarm(3);
close(logfile);
alarm(0);
logfile = -1;
lasttime = timeofday;
}
}
}
#endif
if (sptr->fd >= 0)
{
if (cptr != NULL && sptr != cptr)
sendto_one(&me, sptr, "ERROR :Closing Link: %s %s (%s)",
IsPerson(sptr) ? sptr->sockhost : "0.0.0.0",
sptr->name, comment);
else
sendto_one(&me, sptr, "ERROR :Closing Link: %s (%s)",
IsPerson(sptr) ? sptr->sockhost : "0.0.0.0",
comment);
}
/*
* * Currently only server connections can have * depending
* remote clients here, but it does no * harm to check for all
* local clients. In * future some other clients than servers
* might * have remotes too... *
*
* Close the Client connection first and mark it * so that no
* messages are attempted to send to it. *, The following *must*
* make MyConnect(sptr) == FALSE!). * It also makes sptr->from ==
* NULL, thus it's unnecessary * to test whether "sptr != acptr"
* in the following loops.
*/
if (IsServer(sptr))
{
sendto_ops("%s was connected for %lu seconds. %lu/%lu "
"sendK/recvK.", sptr->name,
(long)(timeofday - sptr->firsttime),
sptr->sendK, sptr->receiveK);
#ifdef USE_SYSLOG
syslog(LOG_NOTICE, "%s was connected for %lu seconds. %lu/%lu "
"sendK/recvK.", sptr->name,
(u_long) timeofday - sptr->firsttime,
sptr->sendK, sptr->receiveK);
#endif
close_connection(sptr);
sptr->sockerr = 0;
sptr->flags |= FLAGS_DEADSOCKET;
}
else
{
close_connection(sptr);
sptr->sockerr = 0;
sptr->flags |= FLAGS_DEADSOCKET;
}
}
exit_one_client(cptr, sptr, from, comment);
return cptr == sptr ? FLUSH_BUFFER : 0;
}
/*
** exit_client
** This is old "m_bye". Name changed, because this is not a
** protocol function, but a general server utility function.
**
** This function exits a client of *any* type (user, server, etc)
** from this server. Also, this generates all necessary prototol
** messages that this exit may cause.
**
** 1) If the client is a local client, then this implicitly
** exits all other clients depending on this connection (e.g.
** remote clients having 'from'-field that points to this.
**
** 2) If the client is a remote client, then only this is exited.
**
** For convenience, this function returns a suitable value for
** m_funtion return value:
**
** FLUSH_BUFFER if (cptr == sptr)
** 0 if (cptr != sptr)
**
** Parameters:
**
** aClient *cptr
** The local client originating the exit or NULL, if this
** exit is generated by this server for internal reasons.
** This will not get any of the generated messages.
** aClient *sptr
** Client exiting
** aClient *from
** Client firing off this Exit, never NULL!
** char *comment
** Reason for the exit
*/
int exit_client(aClient *cptr, aClient *sptr, aClient *from,
const char *comment)
{
char comment1[HOSTLEN + HOSTLEN + 2];
if (MyConnect(sptr))
{
if (sptr->flags & FLAGS_KILLED)
{
sendto_flag(SCH_NOTICE, "Killed: %s.",
get_client_name(sptr, TRUE));
sptr->exitc = EXITC_KILL;
}
sptr->flags |= FLAGS_CLOSING;
#if (defined(FNAME_USERLOG) || defined(FNAME_CONNLOG) \
|| defined(USE_SERVICES)) \
|| (defined(USE_SYSLOG) && (defined(SYSLOG_USERS) || defined(SYSLOG_CONN)))
if (IsPerson(sptr))
{
# if defined(FNAME_USERLOG) || defined(USE_SERVICES) || \
(defined(USE_SYSLOG) && defined(SYSLOG_USERS))
sendto_flog(sptr, EXITC_REG, sptr->user->username,
sptr->user->host);
# endif
# if defined(CLIENTS_CHANNEL) && (CLIENTS_CHANNEL_LEVEL & CCL_QUIT)
sendto_flag(SCH_CLIENT, "%s %s %s %s QUIT %c"
# if (CLIENTS_CHANNEL_LEVEL & CCL_QUITINFO)
" :%s"
# endif
, sptr->user->uid, sptr->name,
sptr->user->username, sptr->user->host,
sptr->exitc
# if (CLIENTS_CHANNEL_LEVEL & CCL_QUITINFO)
, comment
# endif
);
# endif
}
else if (!IsService(sptr))
{
# if defined(FNAME_CONNLOG) || defined(USE_SERVICES) || \
(defined(USE_SYSLOG) && defined(SYSLOG_CONN))
if (sptr->exitc == '\0' || sptr->exitc == EXITC_REG)
{
sptr->exitc = EXITC_UNDEF;
}
sendto_flog(sptr, sptr->exitc,
sptr->user && sptr->user->username ?
sptr->user->username : "",
#ifdef UNIXPORT
(IsUnixSocket(sptr)) ? me.sockhost :
#endif
((sptr->hostp) ? sptr->hostp->h_name :
sptr->sockhost));
# endif
}
#endif
if (MyConnect(sptr))
{
if (IsPerson(sptr))
{
istat.is_myclnt--;
}
else if (IsServer(sptr))
{
istat.is_myserv--;
}
else if (IsService(sptr))
{
istat.is_myservice--;
}
else
{
istat.is_unknown--;
}
if (istat.is_myclnt % CLCHNO == 0 &&
istat.is_myclnt != istat.is_l_myclnt)
{
sendto_flag(SCH_NOTICE,
"Local %screase from %d to %d clients "
"in %d seconds",
istat.is_myclnt>istat.is_l_myclnt?"in":"de",
istat.is_l_myclnt, istat.is_myclnt,
timeofday - istat.is_l_myclnt_t);
istat.is_l_myclnt_t = timeofday;
istat.is_l_myclnt = istat.is_myclnt;
}
/* Send SQUIT message to 2.11 servers to tell them
* the squit reason for rebroadcast on the other side
* - jv
*/
if (IsServer(sptr))
{
sendto_one(sptr, ":%s SQUIT %s :%s",
me.serv->sid, sptr->serv->sid,
comment);
}
if (cptr != NULL && sptr != cptr)
{
sendto_one(sptr, "ERROR :Closing Link: "
"%s %s (%s)",
get_client_name(sptr,FALSE),
cptr->name, comment);
}
else
{
sendto_one(sptr, "ERROR :Closing Link: %s (%s)",
get_client_name(sptr,FALSE), comment);
}
if (sptr->auth != sptr->username)
{
istat.is_authmem -= strlen(sptr->auth) + 1;
istat.is_auth -= 1;
MyFree(sptr->auth);
sptr->auth = sptr->username;
}
}
/*
** Currently only server connections can have
** depending remote clients here, but it does no
** harm to check for all local clients. In
** future some other clients than servers might
** have remotes too...
** now, I think it harms big client servers... - krys
**
** Close the Client connection first and mark it
** so that no messages are attempted to send to it.
** (The following *must* make MyConnect(sptr) == FALSE!).
** It also makes sptr->from == NULL, thus it's unnecessary
** to test whether "sptr != acptr" in the following loops.
*/
close_connection(sptr);
} /* if (MyConnect(sptr) */
if (IsServer(sptr))
{
/* Remove all dependent servers and clients. */
if (!IsMasked(sptr))
{
sprintf(comment1, "%s %s", sptr->serv->up->name,
sptr->name);
}
else
{
/* It was a masked server, the squit reason should
** give the right quit reason for clients. */
strncpyzt(comment1, comment, sizeof(comment1));
}
/* cptr != sptr means non-local server */
if (cptr != sptr &&
nextconnect == 0 && find_conf_name(sptr->name,
(CONF_CONNECT_SERVER|CONF_ZCONNECT_SERVER)))
{
/* try AC */
nextconnect = timeofday + HANGONRETRYDELAY;
}
exit_server(sptr, sptr, from, comment, comment1);
check_split();
if ((cptr == sptr))
{
/* It serves no purpose. --B.
sendto_flag(SCH_SERVER, "Sending SQUIT %s (%s)",
cptr->name, comment);
*/
return FLUSH_BUFFER;
}
return 0;
}
/*
** Try to guess from comment if the client is exiting
** normally (KILL or issued QUIT), or if it is splitting
** It requires comment for splitting users to be
** "server.some.where splitting.some.where"
*/
comment1[0] = '\0';
if ((sptr->flags & FLAGS_KILLED) == 0)
{
if (comment[0] == '"')
{
/* definitely user quit, see m_quit */
sptr->flags |= FLAGS_QUIT;
}
else
{
const char *c = comment;
int i = 0;
while (*c && *c != ' ')
if (*c++ == '.')
i++;
if (*c++ && i)
{
i = 0;
while (*c && *c != ' ')
if (*c++ == '.')
i++;
if (!i || *c)
sptr->flags |= FLAGS_QUIT;
}
else
{
sptr->flags |= FLAGS_QUIT;
}
}
if (sptr == cptr && !(sptr->flags & FLAGS_QUIT))
{
/*
** This will avoid nick delay to be abused by
** letting local users put a comment looking
** like a server split.
*/
strncpyzt(comment1, comment, HOSTLEN + HOSTLEN);
strcat(comment1, " ");
sptr->flags |= FLAGS_QUIT;
}
}
exit_one_client(cptr, sptr, from, (*comment1) ? comment1 : comment);
/* XXX: we probably should not call it every client exit */
/* checking every server quit should suffice --B. */
/* check_split(); */
return cptr == sptr ? FLUSH_BUFFER : 0;
}
/**
* Exits a client of *any* type (user, server, etc)
* from this server. Also, this generates all necessary prototol
* messages that this exit may cause.
*
* This function implicitly exits all other clients depending on
* this connection.
*
* For convenience, this function returns a suitable value for
* m_function return value:
*
* CPTR_KILLED if (cptr == bcptr)
* 0 if (cptr != bcptr)
*
* This function can be called in two ways:
* 1) From before or in parse(), exiting the 'cptr', in which case it was
* invoked as exit_client(cptr, cptr, &me,...), causing it to always
* return CPTR_KILLED.
* 2) Via parse from a m_function call, in which case it was invoked as
* exit_client(cptr, acptr, sptr, ...). Here 'sptr' is known; the client
* that generated the message in a way that we can assume he already
* did remove acptr from memory himself (or in other cases we don't mind
* because he will be delinked.) Or invoked as:
* exit_client(cptr, acptr/sptr, &me, ...) when WE decide this one should
* be removed.
* In general: No generated SQUIT or QUIT should be sent to source link
* sptr->from. And CPTR_KILLED should be returned if cptr got removed (too).
*
* --Run
* @param cptr Connection currently being handled by read_message.
* @param victim Client being killed.
* @param killer Client that made the decision to remove \a victim.
* @param comment Reason for the exit.
* @return CPTR_KILLED if cptr == bcptr, else 0.
*/
int exit_client(struct Client *cptr,
struct Client* victim,
struct Client* killer,
const char* comment)
{
struct Client* acptr = 0;
struct DLink *dlp;
time_t on_for;
char comment1[HOSTLEN + HOSTLEN + 2];
assert(killer);
if (MyConnect(victim))
{
SetFlag(victim, FLAG_CLOSING);
if (feature_bool(FEAT_CONNEXIT_NOTICES) && IsUser(victim))
sendto_opmask_butone(0, SNO_CONNEXIT,
"Client exiting: %s (%s@%s) [%s] [%s] <%s%s>",
cli_name(victim), cli_user(victim)->username,
cli_user(victim)->host, comment,
ircd_ntoa(&cli_ip(victim)),
NumNick(victim) /* two %s's */);
update_load();
on_for = CurrentTime - cli_firsttime(victim);
if (IsUser(victim) || IsUserPort(victim))
auth_send_exit(victim);
if (IsUser(victim))
log_write(LS_USER, L_TRACE, 0, "%Tu %i %s@%s %s %s %s%s %s :%s",
cli_firsttime(victim), on_for,
cli_user(victim)->username, cli_sockhost(victim),
ircd_ntoa(&cli_ip(victim)),
IsAccount(victim) ? cli_username(victim) : "0",
NumNick(victim), /* two %s's */
cli_name(victim), cli_info(victim));
if (victim != cli_from(killer) /* The source knows already */
&& IsClient(victim)) /* Not a Ping struct or Log file */
{
if (IsServer(victim) || IsHandshake(victim))
sendcmdto_one(killer, CMD_SQUIT, victim, "%s 0 :%s", cli_name(&me), comment);
else if (!IsConnecting(victim)) {
if (!IsDead(victim)) {
if (IsServer(victim))
sendcmdto_one(killer, CMD_ERROR, victim,
":Closing Link: %s by %s (%s)", cli_name(victim),
cli_name(killer), comment);
else
sendrawto_one(victim, MSG_ERROR " :Closing Link: %s by %s (%s)",
cli_name(victim),
cli_name(IsServer(killer) ? &his : killer),
comment);
}
}
if ((IsServer(victim) || IsHandshake(victim) || IsConnecting(victim)) &&
(killer == &me || (IsServer(killer) &&
(strncmp(comment, "Leaf-only link", 14) ||
strncmp(comment, "Non-Hub link", 12)))))
{
/*
* Note: check user == user needed to make sure we have the same
* client
*/
if (cli_serv(victim)->user && *(cli_serv(victim))->by &&
(acptr = findNUser(cli_serv(victim)->by))) {
if (cli_user(acptr) == cli_serv(victim)->user) {
sendcmdto_one(&me, CMD_NOTICE, acptr,
"%C :Link with %s canceled: %s", acptr,
cli_name(victim), comment);
}
else {
/*
* not right client, set by to empty string
*/
acptr = 0;
*(cli_serv(victim))->by = '\0';
}
}
if (killer == &me)
sendto_opmask_butone(acptr, SNO_OLDSNO, "Link with %s canceled: %s",
cli_name(victim), comment);
}
}
/*
* Close the Client connection first.
*/
close_connection(victim);
}
if (IsServer(victim))
{
if (feature_bool(FEAT_HIS_NETSPLIT))
strcpy(comment1, "*.net *.split");
else
{
strcpy(comment1, cli_name(cli_serv(victim)->up));
strcat(comment1, " ");
strcat(comment1, cli_name(victim));
}
if (IsUser(killer))
sendto_opmask_butone(killer, SNO_OLDSNO, "%s SQUIT by %s [%s]:",
(cli_user(killer)->server == victim ||
cli_user(killer)->server == cli_serv(victim)->up) ?
"Local" : "Remote",
get_client_name(killer, HIDE_IP),
cli_name(cli_user(killer)->server));
else if (killer != &me && cli_serv(victim)->up != killer)
sendto_opmask_butone(0, SNO_OLDSNO, "Received SQUIT %s from %s :",
cli_name(victim), IsServer(killer) ? cli_name(killer) :
get_client_name(killer, HIDE_IP));
sendto_opmask_butone(0, SNO_NETWORK, "Net break: %C %C (%s)",
cli_serv(victim)->up, victim, comment);
}
/*
* First generate the needed protocol for the other server links
* except the source:
*/
for (dlp = cli_serv(&me)->down; dlp; dlp = dlp->next) {
if (dlp->value.cptr != cli_from(killer) && dlp->value.cptr != victim)
{
if (IsServer(victim))
sendcmdto_one(killer, CMD_SQUIT, dlp->value.cptr, "%s %Tu :%s",
cli_name(victim), cli_serv(victim)->timestamp, comment);
else if (IsUser(victim) && !HasFlag(victim, FLAG_KILLED))
sendcmdto_one(victim, CMD_QUIT, dlp->value.cptr, ":%s", comment);
}
}
/* Then remove the client structures */
if (IsServer(victim))
exit_downlinks(victim, killer, comment1);
exit_one_client(victim, comment);
/*
* cptr can only have been killed if it was cptr itself that got killed here,
* because cptr can never have been a dependent of victim --Run
*/
return (cptr == victim) ? CPTR_KILLED : 0;
}
/*
** exit_client - This is old "m_bye". Name changed, because this is not a
** protocol function, but a general server utility function.
**
** This function exits a client of *any* type (user, server, etc)
** from this server. Also, this generates all necessary prototol
** messages that this exit may cause.
**
** 1) If the client is a local client, then this implicitly
** exits all other clients depending on this connection (e.g.
** remote clients having 'from'-field that points to this.
**
** 2) If the client is a remote client, then only this is exited.
**
** For convenience, this function returns a suitable value for
** m_function return value:
**
** CLIENT_EXITED if (client_p == source_p)
** 0 if (client_p != source_p)
*/
int exit_client(
struct Client* client_p, /* The local client originating the
* exit or NULL, if this exit is
* generated by this server for
* internal reasons.
* This will not get any of the
* generated messages. */
struct Client* source_p, /* Client exiting */
struct Client* from, /* Client firing off this Exit,
* never NULL! */
const char* comment /* Reason for the exit */
)
{
char comment1[HOSTLEN + HOSTLEN + 2];
dlink_node *m;
fprintf(stderr, "Exiting client: %s\n", comment);
if (MyConnect(source_p))
{
/* DO NOT REMOVE. exit_client can be called twice after a failed
* read/write.
*/
if(IsClosing(source_p))
return 0;
SetClosing(source_p);
if (source_p->flags & FLAGS_IPHASH)
remove_one_ip(&source_p->localClient->ip);
delete_adns_queries(source_p->localClient->dns_query);
delete_identd_queries(source_p);
client_flush_input(source_p);
/* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
* STAT_HANDSHAKE or STAT_UNKNOWN
* all of which are lumped together into unknown_list
*
* In all above cases IsRegistered() will not be true.
*/
if (!IsRegistered(source_p))
{
m = dlinkFind(&unknown_list,source_p);
if(m != NULL)
{
dlinkDelete(m, &unknown_list);
free_dlink_node(m);
}
}
if (IsOper(source_p))
{
m = dlinkFind(&oper_list,source_p);
if(m != NULL)
{
dlinkDelete(m, &oper_list);
free_dlink_node(m);
}
}
if (IsClient(source_p))
{
Count.local--;
if(IsPerson(source_p)) /* a little extra paranoia */
{
m = dlinkFind(&lclient_list,source_p);
if(m != NULL)
{
dlinkDelete(m,&lclient_list);
free_dlink_node(m);
}
}
}
/* As soon as a client is known to be a server of some sort
* it has to be put on the serv_list, or SJOIN's to this new server
* from the connect burst will not be seen.
*/
if (IsServer(source_p) || IsConnecting(source_p) ||
IsHandshake(source_p))
{
m = dlinkFind(&serv_list,source_p);
if(m != NULL)
{
dlinkDelete(m,&serv_list);
free_dlink_node(m);
unset_chcap_usage_counts(source_p);
}
}
if (IsServer(source_p))
{
Count.myserver--;
if(ServerInfo.hub)
remove_lazylink_flags(source_p->localClient->serverMask);
else
uplink = NULL;
}
if (IsPerson(source_p))
sendto_realops_flags(FLAGS_CCONN, L_ALL,
"Client exiting: %s (%s@%s) [%s] [%s]",
source_p->name, source_p->username, source_p->host,
comment, source_p->localClient->sockhost);
log_user_exit(source_p);
if (source_p->localClient->fd >= 0)
{
if (client_p != NULL && source_p != client_p)
sendto_one(source_p, "ERROR :Closing Link: %s %s (%s)",
source_p->host, source_p->name, comment);
else
sendto_one(source_p, "ERROR :Closing Link: %s (%s)",
source_p->host, comment);
}
/*
** Currently only server connections can have
** depending remote clients here, but it does no
** harm to check for all local clients. In
** future some other clients than servers might
** have remotes too...
**
** Close the Client connection first and mark it
** so that no messages are attempted to send to it.
** (The following *must* make MyConnect(source_p) == FALSE!).
** It also makes source_p->from == NULL, thus it's unnecessary
** to test whether "source_p != target_p" in the following loops.
*/
close_connection(source_p);
}
if(IsServer(source_p))
{
if(ConfigServerHide.hide_servers)
{
/* set netsplit message to "me.name *.split" to still show
* that its a split, but hide the servers splitting
*/
ircsprintf(comment1,"%s *.split", me.name);
}
else
{
if((source_p->serv) && (source_p->serv->up))
strcpy(comment1, source_p->serv->up);
else
strcpy(comment1, "<Unknown>");
strcat(comment1," ");
strcat(comment1, source_p->name);
}
remove_dependents(client_p, source_p, from, comment, comment1);
if (source_p->servptr == &me)
{
sendto_realops_flags(FLAGS_ALL, L_ALL,
"%s was connected for %d seconds. %d/%d sendK/recvK.",
source_p->name, (int)(CurrentTime - source_p->firsttime),
source_p->localClient->sendK,
source_p->localClient->receiveK);
ilog(L_NOTICE, "%s was connected for %d seconds. %d/%d sendK/recvK.",
source_p->name, CurrentTime - source_p->firsttime,
source_p->localClient->sendK, source_p->localClient->receiveK);
}
}
exit_one_client(client_p, source_p, from, comment);
return client_p == source_p ? CLIENT_EXITED : 0;
}
