mirror of
https://github.com/matrix-construct/construct
synced 2024-12-25 06:53:58 +01:00
390 lines
9.9 KiB
C
390 lines
9.9 KiB
C
/*
|
|
* ircd-ratbox: A slightly useful ircd.
|
|
* m_who.c: Shows who is on a channel.
|
|
*
|
|
* 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
|
|
*
|
|
* 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: m_who.c 3350 2007-04-02 22:03:08Z jilles $
|
|
*/
|
|
#include "stdinc.h"
|
|
#include "common.h"
|
|
#include "client.h"
|
|
#include "channel.h"
|
|
#include "hash.h"
|
|
#include "ircd.h"
|
|
#include "numeric.h"
|
|
#include "s_serv.h"
|
|
#include "send.h"
|
|
#include "match.h"
|
|
#include "s_conf.h"
|
|
#include "logger.h"
|
|
#include "msg.h"
|
|
#include "parse.h"
|
|
#include "modules.h"
|
|
#include "packet.h"
|
|
#include "s_newconf.h"
|
|
|
|
static int m_who(struct Client *, struct Client *, int, const char **);
|
|
|
|
struct Message who_msgtab = {
|
|
"WHO", 0, 0, 0, MFLG_SLOW,
|
|
{mg_unreg, {m_who, 2}, mg_ignore, mg_ignore, mg_ignore, {m_who, 2}}
|
|
};
|
|
|
|
mapi_clist_av1 who_clist[] = { &who_msgtab, NULL };
|
|
DECLARE_MODULE_AV1(who, NULL, NULL, who_clist, NULL, NULL, "$Revision: 3350 $");
|
|
|
|
static void do_who_on_channel(struct Client *source_p, struct Channel *chptr,
|
|
int server_oper, int member);
|
|
|
|
static void who_global(struct Client *source_p, const char *mask, int server_oper, int operspy);
|
|
|
|
static void do_who(struct Client *source_p,
|
|
struct Client *target_p, const char *chname, const char *op_flags);
|
|
|
|
|
|
/*
|
|
** m_who
|
|
** parv[0] = sender prefix
|
|
** parv[1] = nickname mask list
|
|
** parv[2] = additional selection flag, only 'o' for now.
|
|
*/
|
|
static int
|
|
m_who(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
|
|
{
|
|
static time_t last_used = 0;
|
|
struct Client *target_p;
|
|
struct membership *msptr;
|
|
char *mask;
|
|
rb_dlink_node *lp;
|
|
struct Channel *chptr = NULL;
|
|
int server_oper = parc > 2 ? (*parv[2] == 'o') : 0; /* Show OPERS only */
|
|
int member;
|
|
int operspy = 0;
|
|
|
|
mask = LOCAL_COPY(parv[1]);
|
|
|
|
collapse(mask);
|
|
|
|
/* '/who *' */
|
|
if((*(mask + 1) == '\0') && (*mask == '*'))
|
|
{
|
|
if(source_p->user == NULL)
|
|
return 0;
|
|
|
|
if((lp = source_p->user->channel.head) != NULL)
|
|
{
|
|
msptr = lp->data;
|
|
do_who_on_channel(source_p, msptr->chptr, server_oper, YES);
|
|
}
|
|
|
|
sendto_one(source_p, form_str(RPL_ENDOFWHO),
|
|
me.name, source_p->name, "*");
|
|
return 0;
|
|
}
|
|
|
|
if(IsOperSpy(source_p) && *mask == '!')
|
|
{
|
|
mask++;
|
|
operspy = 1;
|
|
|
|
if(EmptyString(mask))
|
|
{
|
|
sendto_one(source_p, form_str(RPL_ENDOFWHO),
|
|
me.name, source_p->name, parv[1]);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* '/who #some_channel' */
|
|
if(IsChannelName(mask))
|
|
{
|
|
/* List all users on a given channel */
|
|
chptr = find_channel(parv[1] + operspy);
|
|
if(chptr != NULL)
|
|
{
|
|
if(operspy)
|
|
report_operspy(source_p, "WHO", chptr->chname);
|
|
|
|
if(IsMember(source_p, chptr) || operspy)
|
|
do_who_on_channel(source_p, chptr, server_oper, YES);
|
|
else if(!SecretChannel(chptr))
|
|
do_who_on_channel(source_p, chptr, server_oper, NO);
|
|
}
|
|
sendto_one(source_p, form_str(RPL_ENDOFWHO),
|
|
me.name, source_p->name, parv[1] + operspy);
|
|
return 0;
|
|
}
|
|
|
|
/* '/who nick' */
|
|
|
|
if(((target_p = find_named_person(mask)) != NULL) &&
|
|
(!server_oper || IsOper(target_p)))
|
|
{
|
|
int isinvis = 0;
|
|
|
|
isinvis = IsInvisible(target_p);
|
|
RB_DLINK_FOREACH(lp, target_p->user->channel.head)
|
|
{
|
|
msptr = lp->data;
|
|
chptr = msptr->chptr;
|
|
|
|
member = IsMember(source_p, chptr);
|
|
|
|
if(isinvis && !member)
|
|
continue;
|
|
|
|
if(member || (!isinvis && PubChannel(chptr)))
|
|
break;
|
|
}
|
|
|
|
/* if we stopped midlist, lp->data is the membership for
|
|
* target_p of chptr
|
|
*/
|
|
if(lp != NULL)
|
|
do_who(source_p, target_p, chptr->chname,
|
|
find_channel_status(lp->data, IsCapable(source_p, CLICAP_MULTI_PREFIX)));
|
|
else
|
|
do_who(source_p, target_p, NULL, "");
|
|
|
|
sendto_one(source_p, form_str(RPL_ENDOFWHO),
|
|
me.name, source_p->name, mask);
|
|
return 0;
|
|
}
|
|
|
|
if(!IsFloodDone(source_p))
|
|
flood_endgrace(source_p);
|
|
|
|
/* it has to be a global who at this point, limit it */
|
|
if(!IsOper(source_p))
|
|
{
|
|
if((last_used + ConfigFileEntry.pace_wait) > rb_current_time())
|
|
{
|
|
sendto_one(source_p, form_str(RPL_LOAD2HI),
|
|
me.name, source_p->name, "WHO");
|
|
sendto_one(source_p, form_str(RPL_ENDOFWHO),
|
|
me.name, source_p->name, "*");
|
|
return 0;
|
|
}
|
|
else
|
|
last_used = rb_current_time();
|
|
}
|
|
|
|
/* Note: operspy_dont_care_user_info does not apply to
|
|
* who on channels */
|
|
if(IsOperSpy(source_p) && ConfigFileEntry.operspy_dont_care_user_info)
|
|
operspy = 1;
|
|
|
|
/* '/who 0' for a global list. this forces clients to actually
|
|
* request a full list. I presume its because of too many typos
|
|
* with "/who" ;) --fl
|
|
*/
|
|
if((*(mask + 1) == '\0') && (*mask == '0'))
|
|
who_global(source_p, NULL, server_oper, 0);
|
|
else
|
|
who_global(source_p, mask, server_oper, operspy);
|
|
|
|
sendto_one(source_p, form_str(RPL_ENDOFWHO),
|
|
me.name, source_p->name, mask);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* who_common_channel
|
|
* inputs - pointer to client requesting who
|
|
* - pointer to channel member chain.
|
|
* - char * mask to match
|
|
* - int if oper on a server or not
|
|
* - pointer to int maxmatches
|
|
* output - NONE
|
|
* side effects - lists matching invisible clients on specified channel,
|
|
* marks matched clients.
|
|
*/
|
|
static void
|
|
who_common_channel(struct Client *source_p, struct Channel *chptr,
|
|
const char *mask, int server_oper, int *maxmatches)
|
|
{
|
|
struct membership *msptr;
|
|
struct Client *target_p;
|
|
rb_dlink_node *ptr;
|
|
|
|
RB_DLINK_FOREACH(ptr, chptr->members.head)
|
|
{
|
|
msptr = ptr->data;
|
|
target_p = msptr->client_p;
|
|
|
|
if(!IsInvisible(target_p) || IsMarked(target_p))
|
|
continue;
|
|
|
|
if(server_oper && !IsOper(target_p))
|
|
continue;
|
|
|
|
SetMark(target_p);
|
|
|
|
if(*maxmatches > 0)
|
|
{
|
|
if((mask == NULL) ||
|
|
match(mask, target_p->name) || match(mask, target_p->username) ||
|
|
match(mask, target_p->host) || match(mask, target_p->servptr->name) ||
|
|
(IsOper(source_p) && match(mask, target_p->orighost)) ||
|
|
match(mask, target_p->info))
|
|
{
|
|
do_who(source_p, target_p, NULL, "");
|
|
--(*maxmatches);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* who_global
|
|
*
|
|
* inputs - pointer to client requesting who
|
|
* - char * mask to match
|
|
* - int if oper on a server or not
|
|
* output - NONE
|
|
* side effects - do a global scan of all clients looking for match
|
|
* this is slightly expensive on EFnet ...
|
|
* marks assumed cleared for all clients initially
|
|
* and will be left cleared on return
|
|
*/
|
|
static void
|
|
who_global(struct Client *source_p, const char *mask, int server_oper, int operspy)
|
|
{
|
|
struct membership *msptr;
|
|
struct Client *target_p;
|
|
rb_dlink_node *lp, *ptr;
|
|
int maxmatches = 500;
|
|
|
|
/* first, list all matching INvisible clients on common channels
|
|
* if this is not an operspy who
|
|
*/
|
|
if(!operspy)
|
|
{
|
|
RB_DLINK_FOREACH(lp, source_p->user->channel.head)
|
|
{
|
|
msptr = lp->data;
|
|
who_common_channel(source_p, msptr->chptr, mask, server_oper, &maxmatches);
|
|
}
|
|
}
|
|
else if (!ConfigFileEntry.operspy_dont_care_user_info)
|
|
report_operspy(source_p, "WHO", mask);
|
|
|
|
/* second, list all matching visible clients and clear all marks
|
|
* on invisible clients
|
|
* if this is an operspy who, list all matching clients, no need
|
|
* to clear marks
|
|
*/
|
|
RB_DLINK_FOREACH(ptr, global_client_list.head)
|
|
{
|
|
target_p = ptr->data;
|
|
if(!IsPerson(target_p))
|
|
continue;
|
|
|
|
if(IsInvisible(target_p) && !operspy)
|
|
{
|
|
ClearMark(target_p);
|
|
continue;
|
|
}
|
|
|
|
if(server_oper && !IsOper(target_p))
|
|
continue;
|
|
|
|
if(maxmatches > 0)
|
|
{
|
|
if(!mask ||
|
|
match(mask, target_p->name) || match(mask, target_p->username) ||
|
|
match(mask, target_p->host) || match(mask, target_p->servptr->name) ||
|
|
(IsOper(source_p) && match(mask, target_p->orighost)) ||
|
|
match(mask, target_p->info))
|
|
{
|
|
do_who(source_p, target_p, NULL, "");
|
|
--maxmatches;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (maxmatches <= 0)
|
|
sendto_one(source_p,
|
|
form_str(ERR_TOOMANYMATCHES),
|
|
me.name, source_p->name, "WHO");
|
|
}
|
|
|
|
/*
|
|
* do_who_on_channel
|
|
*
|
|
* inputs - pointer to client requesting who
|
|
* - pointer to channel to do who on
|
|
* - The "real name" of this channel
|
|
* - int if source_p is a server oper or not
|
|
* - int if client is member or not
|
|
* output - NONE
|
|
* side effects - do a who on given channel
|
|
*/
|
|
static void
|
|
do_who_on_channel(struct Client *source_p, struct Channel *chptr,
|
|
int server_oper, int member)
|
|
{
|
|
struct Client *target_p;
|
|
struct membership *msptr;
|
|
rb_dlink_node *ptr;
|
|
int combine = IsCapable(source_p, CLICAP_MULTI_PREFIX);
|
|
|
|
RB_DLINK_FOREACH(ptr, chptr->members.head)
|
|
{
|
|
msptr = ptr->data;
|
|
target_p = msptr->client_p;
|
|
|
|
if(server_oper && !IsOper(target_p))
|
|
continue;
|
|
|
|
if(member || !IsInvisible(target_p))
|
|
do_who(source_p, target_p, chptr->chname,
|
|
find_channel_status(msptr, combine));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* do_who
|
|
*
|
|
* inputs - pointer to client requesting who
|
|
* - pointer to client to do who on
|
|
* - The reported name
|
|
* - channel flags
|
|
* output - NONE
|
|
* side effects - do a who on given person
|
|
*/
|
|
|
|
static void
|
|
do_who(struct Client *source_p, struct Client *target_p, const char *chname, const char *op_flags)
|
|
{
|
|
char status[5];
|
|
|
|
rb_sprintf(status, "%c%s%s",
|
|
target_p->user->away ? 'G' : 'H', IsOper(target_p) ? "*" : "", op_flags);
|
|
|
|
sendto_one(source_p, form_str(RPL_WHOREPLY), me.name, source_p->name,
|
|
(chname) ? (chname) : "*",
|
|
target_p->username,
|
|
target_p->host, target_p->servptr->name, target_p->name,
|
|
status,
|
|
ConfigServerHide.flatten_links ? 0 : target_p->hopcount,
|
|
target_p->info);
|
|
}
|