trunk/modules/m_who.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_who.c: Shows who is on a channel.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id$
 */
#include "stdinc.h"
#include "tools.h"
#include "common.h"   
#include "handlers.h"
#include "client.h"
#include "channel.h"
#include "channel_mode.h"
#include "hash.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "list.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "s_conf.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"

static time_t last_used = 0;

static void m_who(struct Client *, struct Client *, int, char **);
static void ms_who(struct Client *, struct Client *, int, char **);

struct Message who_msgtab = {
  "WHO", 0, 0, 2, 0, MFLG_SLOW, 0,
  {m_unregistered, m_who, ms_who, m_ignore, m_who, m_ignore}
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&who_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&who_msgtab);
}

const char *_version = "$Revision$";
#endif

static void who_global(struct Client *source_p, char *mask, int server_oper);
static void do_who(struct Client *source_p, struct Client *target_p,
                   const char *chname, const char *op_flags);
static void do_who_on_channel(struct Client *source_p, struct Channel *chptr,
                              const char *chname, int member, int server_oper);

/*
** m_who
**      parv[0] = sender prefix
**      parv[1] = nickname mask list
**      parv[2] = additional selection flag, only 'o' for now.
*/
static void
m_who(struct Client *client_p, struct Client *source_p,
      int parc, char *parv[])
{
  struct Client *target_p;
  char *mask = parv[1];
  dlink_node *lp;
  int server_oper = parc > 2 ? (*parv[2] == 'o') : 0; /* Show OPERS only */
  struct Channel *chptr;
  const char *from, *to;

  if (IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
  {
    from = me.id;
    to = source_p->id;
  }
  else
  {
    from = me.name;
    to = source_p->name;
  }

  /* See if mask is there, collapse it or return if not there */
  if (mask == NULL || !*mask)
  {
    who_global(source_p, mask, server_oper);
    sendto_one(source_p, form_str(RPL_ENDOFWHO),
               from, to, "*");
    return;
  }

  /* mask isn't NULL at this point. repeat after me... -db */
  collapse(mask);

  /* '/who *' */
  if (mask[0] == '*' && !mask[1])
  {
    if ((lp = source_p->channel.head) != NULL)
    {
      struct Channel *mychannel = ((struct Membership *)lp->data)->chptr;
      do_who_on_channel(source_p, mychannel, mychannel->chname, YES,
                        server_oper);
    }

    sendto_one(source_p, form_str(RPL_ENDOFWHO), from, to, "*");
    return;
  }

  /* '/who #some_channel' */
  if (IsChanPrefix(*mask))
  {
    /* List all users on a given channel */
    if ((chptr = hash_find_channel(mask)) != NULL)
    {
      if (IsMember(source_p, chptr))
        do_who_on_channel(source_p, chptr, chptr->chname, YES, server_oper);
      else if (!SecretChannel(chptr))
        do_who_on_channel(source_p, chptr, chptr->chname, NO, server_oper);
    }

    sendto_one(source_p, form_str(RPL_ENDOFWHO),
               from, to, mask);
    return;
  }

  /* '/who nick' */
  if (((target_p = find_client(mask)) != NULL) &&
      IsClient(target_p) && (!server_oper || IsOper(target_p)))
  {
    if (IsServer(client_p))
      client_burst_if_needed(client_p,target_p);

    DLINK_FOREACH(lp, target_p->channel.head)
    {
      chptr = ((struct Membership *) lp->data)->chptr;
      if (PubChannel(chptr) || IsMember(source_p, chptr))
        break;
    }

    if (lp != NULL)
      do_who(source_p, target_p, chptr->chname,
             get_member_status(lp->data, NO));
    else
      do_who(source_p, target_p, NULL, "");

    sendto_one(source_p, form_str(RPL_ENDOFWHO),
               from, to, mask);
    return;
  }

  /* '/who 0' */
  if (mask[0] == '0' && !mask[1])
    who_global(source_p, NULL, server_oper);
  else
    who_global(source_p, mask, server_oper);

 /* Wasn't a nick, wasn't a channel, wasn't a '*' so ... */
  sendto_one(source_p, form_str(RPL_ENDOFWHO),
             from, to, mask);
}

/* 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 clients on specified channel,
 *                marks matched clients.
 *
 */
static void
who_common_channel(struct Client *source_p, struct Channel *chptr,
                   char *mask, int server_oper, int *maxmatches)
{
  dlink_node *ptr;
  struct Client *target_p;

  DLINK_FOREACH(ptr, chptr->members.head)
  {
    target_p = ((struct Membership *)ptr->data)->client_p;

    if (!IsInvisible(target_p) || IsMarked(target_p))
      continue;

    if (server_oper && !IsOper(target_p))
      continue;

    SetMark(target_p);

    assert(target_p->servptr != NULL);

    if ((mask == NULL) ||
      match(mask, target_p->name) || match(mask, target_p->username) ||
      match(mask, target_p->host) || 
      ((!ConfigServerHide.hide_servers || IsOper(source_p)) &&
       match(mask, target_p->servptr->name)) ||
      match(mask, target_p->info))
    {
      do_who(source_p, target_p, NULL, "");

      if (*maxmatches > 0)
      {
        if (--(*maxmatches) == 0)
          return;
      }
    }
  }
}

/* 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 ...
 */
static void
who_global(struct Client *source_p, char *mask, int server_oper)
{
  struct Channel *chptr;
  struct Client *target_p;
  dlink_node *lp;
  dlink_node *lp_next;
  dlink_node *gcptr;
  dlink_node *gcptr_next;
  int maxmatches = 500;

  if (!IsOper(source_p))
  {
    if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
    {
      /* safe enough to give this on a local connect only */
      sendto_one(source_p, form_str(RPL_LOAD2HI),
        me.name, source_p->name);
      return;
    }
    else
      last_used = CurrentTime;
  }

  /* first, list all matching invisible clients on common channels */
  DLINK_FOREACH_SAFE(lp, lp_next, source_p->channel.head)
  {
    chptr = ((struct Membership *)lp->data)->chptr;
    who_common_channel(source_p, chptr, mask, server_oper, &maxmatches);
  }

  /* second, list all matching visible clients */
  DLINK_FOREACH_SAFE(gcptr, gcptr_next, global_client_list.head)
  {
    target_p = gcptr->data;

    if (!IsClient(target_p))
      continue;

    if (IsInvisible(target_p))
    {
      ClearMark(target_p);
      continue;
    }

    if (server_oper && !IsOper(target_p))
      continue;

    assert(target_p->servptr != NULL);

    if (!mask ||
        match(mask, target_p->name) || match(mask, target_p->username) ||
        match(mask, target_p->host) || match(mask, target_p->servptr->name) ||
        match(mask, target_p->info))
    {
      do_who(source_p, target_p, NULL, "");

      if (maxmatches > 0)
      {
        if (--maxmatches == 0)
          return;
      }
    }
  }
}

/* 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
 *              - int server_op flag
 * output       - NONE
 * side effects - do a who on given channel
 */
static void
do_who_on_channel(struct Client *source_p, struct Channel *chptr,
                  const char *chname, int member, int server_oper)
{
  dlink_node *ptr = NULL, *ptr_next = NULL;
  struct Client *target_p;
  struct Membership *ms;

  DLINK_FOREACH_SAFE(ptr, ptr_next, chptr->members.head)
  {
    ms = ptr->data;
    target_p = ms->client_p;

    if (member || !IsInvisible(target_p))
    {
      if (server_oper && !IsOper(target_p))
        continue;
      do_who(source_p, target_p, chname, get_member_status(ms, NO));
    }
  }
}

/* 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[6];
  const char *from, *to;

  if (IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
  {
    from = me.id;
    to = source_p->id;
  }
  else
  {
    from = me.name;
    to = source_p->name;
  }

  if (IsOper(source_p))
    ircsprintf(status, "%c%s%s%s", 
               target_p->away ? 'G' : 'H',
               IsOper(target_p) ? "*" : "", IsCaptured(target_p) ? "#" : "", op_flags);
  else
    ircsprintf(status, "%c%s%s", target_p->away ? 'G' : 'H',
               IsOper(target_p) ? "*" : "", op_flags);

  if (ConfigServerHide.hide_servers)
  {
    sendto_one(source_p, form_str(RPL_WHOREPLY), from, to,
               (chname) ? (chname) : "*",
               target_p->username, target_p->host,
               IsOper(source_p) ? target_p->servptr->name : "*",
               target_p->name, status, 0, target_p->info);
  }
  else
  {
    sendto_one(source_p, form_str(RPL_WHOREPLY), from, to,
               (chname) ? (chname) : "*",
               target_p->username,
               target_p->host, target_p->servptr->name, target_p->name,
               status, target_p->hopcount, target_p->info);
  }
}

/*
** ms_who()
**      parv[0] = sender prefix
**      parv[1] = nickname mask list
**      parv[2] = additional selection flag, only 'o' for now.
*/
static void
ms_who(struct Client *client_p, struct Client *source_p,
       int parc, char *parv[])
{
  /* If its running as a hub, and linked with lazy links
   * then allow leaf to use normal client m_who()
   * other wise, ignore it.
   */
  if (IsClient(source_p) && ServerInfo.hub &&
      IsCapable(client_p->from, CAP_LL))
    m_who(client_p, source_p, parc, parv);
}
Revision:	313
Committed:	Fri Dec 23 10:55:47 2005 UTC (19 years, 8 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.2/modules/m_who.c*
File size:	10775 byte(s)
Log Message:	- Don't pace "WHO #somechan" and "WHO *" as this breaks several clients
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_who.c: Shows who is on a channel.
4			*
5			* Copyright (C) 2002 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22	knight	31	* $Id$
23	adx	30	*/
24			#include "stdinc.h"
25			#include "tools.h"
26			#include "common.h"
27			#include "handlers.h"
28			#include "client.h"
29			#include "channel.h"
30			#include "channel_mode.h"
31			#include "hash.h"
32			#include "ircd.h"
33			#include "numeric.h"
34			#include "s_serv.h"
35			#include "send.h"
36			#include "list.h"
37			#include "irc_string.h"
38			#include "sprintf_irc.h"
39			#include "s_conf.h"
40			#include "msg.h"
41			#include "parse.h"
42			#include "modules.h"
43
44	adx	268	static time_t last_used = 0;
45
46	adx	30	static void m_who(struct Client , struct Client , int, char **);
47			static void ms_who(struct Client , struct Client , int, char **);
48
49			struct Message who_msgtab = {
50			"WHO", 0, 0, 2, 0, MFLG_SLOW, 0,
51			{m_unregistered, m_who, ms_who, m_ignore, m_who, m_ignore}
52			};
53
54			#ifndef STATIC_MODULES
55			void
56			_modinit(void)
57			{
58			mod_add_cmd(&who_msgtab);
59			}
60
61			void
62			_moddeinit(void)
63			{
64			mod_del_cmd(&who_msgtab);
65			}
66
67	knight	31	const char *_version = "$Revision$";
68	adx	30	#endif
69
70			static void who_global(struct Client source_p, char mask, int server_oper);
71			static void do_who(struct Client source_p, struct Client target_p,
72			const char chname, const char op_flags);
73			static void do_who_on_channel(struct Client source_p, struct Channel chptr,
74			const char *chname, int member, int server_oper);
75
76			/*
77			** m_who
78			** parv[0] = sender prefix
79			** parv[1] = nickname mask list
80			** parv[2] = additional selection flag, only 'o' for now.
81			*/
82			static void
83			m_who(struct Client client_p, struct Client source_p,
84			int parc, char *parv[])
85			{
86			struct Client *target_p;
87			char *mask = parv[1];
88			dlink_node *lp;
89			int server_oper = parc > 2 ? (parv[2] == 'o') : 0; / Show OPERS only */
90			struct Channel *chptr;
91			const char from, to;
92
93			if (IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
94			{
95			from = me.id;
96			to = source_p->id;
97			}
98			else
99			{
100			from = me.name;
101			to = source_p->name;
102			}
103
104			/* See if mask is there, collapse it or return if not there */
105			if (mask == NULL \|\| !*mask)
106			{
107			who_global(source_p, mask, server_oper);
108			sendto_one(source_p, form_str(RPL_ENDOFWHO),
109			from, to, "*");
110			return;
111			}
112
113			/* mask isn't NULL at this point. repeat after me... -db */
114			collapse(mask);
115
116			/* '/who ' /
117			if (mask[0] == '*' && !mask[1])
118			{
119			if ((lp = source_p->channel.head) != NULL)
120			{
121			struct Channel mychannel = ((struct Membership )lp->data)->chptr;
122			do_who_on_channel(source_p, mychannel, mychannel->chname, YES,
123			server_oper);
124			}
125
126			sendto_one(source_p, form_str(RPL_ENDOFWHO), from, to, "*");
127			return;
128			}
129
130			/* '/who #some_channel' */
131			if (IsChanPrefix(*mask))
132			{
133			/* List all users on a given channel */
134			if ((chptr = hash_find_channel(mask)) != NULL)
135			{
136			if (IsMember(source_p, chptr))
137			do_who_on_channel(source_p, chptr, chptr->chname, YES, server_oper);
138			else if (!SecretChannel(chptr))
139			do_who_on_channel(source_p, chptr, chptr->chname, NO, server_oper);
140			}
141
142			sendto_one(source_p, form_str(RPL_ENDOFWHO),
143			from, to, mask);
144			return;
145			}
146
147			/* '/who nick' */
148			if (((target_p = find_client(mask)) != NULL) &&
149			IsClient(target_p) && (!server_oper \|\| IsOper(target_p)))
150			{
151			if (IsServer(client_p))
152			client_burst_if_needed(client_p,target_p);
153
154			DLINK_FOREACH(lp, target_p->channel.head)
155			{
156			chptr = ((struct Membership *) lp->data)->chptr;
157			if (PubChannel(chptr) \|\| IsMember(source_p, chptr))
158			break;
159			}
160
161			if (lp != NULL)
162			do_who(source_p, target_p, chptr->chname,
163			get_member_status(lp->data, NO));
164			else
165			do_who(source_p, target_p, NULL, "");
166
167			sendto_one(source_p, form_str(RPL_ENDOFWHO),
168			from, to, mask);
169			return;
170			}
171
172			/* '/who 0' */
173			if (mask[0] == '0' && !mask[1])
174			who_global(source_p, NULL, server_oper);
175			else
176			who_global(source_p, mask, server_oper);
177
178			/* Wasn't a nick, wasn't a channel, wasn't a '' so ... /
179			sendto_one(source_p, form_str(RPL_ENDOFWHO),
180			from, to, mask);
181			}
182
183			/* who_common_channel
184			* inputs - pointer to client requesting who
185			* - pointer to channel member chain.
186			* - char * mask to match
187			* - int if oper on a server or not
188			* - pointer to int maxmatches
189			* output - NONE
190			* side effects - lists matching clients on specified channel,
191			* marks matched clients.
192			*
193			*/
194			static void
195			who_common_channel(struct Client source_p, struct Channel chptr,
196			char mask, int server_oper, int maxmatches)
197			{
198			dlink_node *ptr;
199			struct Client *target_p;
200
201			DLINK_FOREACH(ptr, chptr->members.head)
202			{
203			target_p = ((struct Membership *)ptr->data)->client_p;
204
205			if (!IsInvisible(target_p) \|\| IsMarked(target_p))
206			continue;
207
208			if (server_oper && !IsOper(target_p))
209			continue;
210
211			SetMark(target_p);
212
213			assert(target_p->servptr != NULL);
214
215			if ((mask == NULL) \|\|
216	adx	268	match(mask, target_p->name) \|\| match(mask, target_p->username) \|\|
217			match(mask, target_p->host) \|\|
218			((!ConfigServerHide.hide_servers \|\| IsOper(source_p)) &&
219			match(mask, target_p->servptr->name)) \|\|
220			match(mask, target_p->info))
221	adx	30	{
222			do_who(source_p, target_p, NULL, "");
223
224			if (*maxmatches > 0)
225			{
226	adx	268	if (--(*maxmatches) == 0)
227			return;
228	adx	30	}
229			}
230			}
231			}
232
233			/* who_global()
234			*
235			* inputs - pointer to client requesting who
236			* - char * mask to match
237			* - int if oper on a server or not
238			* output - NONE
239			* side effects - do a global scan of all clients looking for match
240			* this is slightly expensive on EFnet ...
241			*/
242			static void
243			who_global(struct Client source_p, char mask, int server_oper)
244			{
245			struct Channel *chptr;
246			struct Client *target_p;
247			dlink_node *lp;
248			dlink_node *lp_next;
249			dlink_node *gcptr;
250			dlink_node *gcptr_next;
251			int maxmatches = 500;
252
253	adx	268	if (!IsOper(source_p))
254			{
255			if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
256			{
257			/* safe enough to give this on a local connect only */
258			sendto_one(source_p, form_str(RPL_LOAD2HI),
259			me.name, source_p->name);
260			return;
261			}
262			else
263			last_used = CurrentTime;
264			}
265
266	adx	30	/* first, list all matching invisible clients on common channels */
267			DLINK_FOREACH_SAFE(lp, lp_next, source_p->channel.head)
268			{
269			chptr = ((struct Membership *)lp->data)->chptr;
270			who_common_channel(source_p, chptr, mask, server_oper, &maxmatches);
271			}
272
273			/* second, list all matching visible clients */
274			DLINK_FOREACH_SAFE(gcptr, gcptr_next, global_client_list.head)
275			{
276			target_p = gcptr->data;
277
278			if (!IsClient(target_p))
279			continue;
280
281			if (IsInvisible(target_p))
282			{
283			ClearMark(target_p);
284			continue;
285			}
286
287			if (server_oper && !IsOper(target_p))
288			continue;
289
290			assert(target_p->servptr != NULL);
291
292			if (!mask \|\|
293			match(mask, target_p->name) \|\| match(mask, target_p->username) \|\|
294	adx	268	match(mask, target_p->host) \|\| match(mask, target_p->servptr->name) \|\|
295			match(mask, target_p->info))
296	adx	30	{
297			do_who(source_p, target_p, NULL, "");
298
299			if (maxmatches > 0)
300			{
301			if (--maxmatches == 0)
302	adx	268	return;
303	adx	30	}
304			}
305			}
306			}
307
308			/* do_who_on_channel()
309			*
310			* inputs - pointer to client requesting who
311			* - pointer to channel to do who on
312			* - The "real name" of this channel
313			* - int if source_p is a server oper or not
314			* - int if client is member or not
315			* - int server_op flag
316			* output - NONE
317			* side effects - do a who on given channel
318			*/
319			static void
320			do_who_on_channel(struct Client source_p, struct Channel chptr,
321			const char *chname, int member, int server_oper)
322			{
323	michael	313	dlink_node ptr = NULL, ptr_next = NULL;
324	adx	30	struct Client *target_p;
325			struct Membership *ms;
326
327			DLINK_FOREACH_SAFE(ptr, ptr_next, chptr->members.head)
328			{
329			ms = ptr->data;
330			target_p = ms->client_p;
331
332			if (member \|\| !IsInvisible(target_p))
333			{
334			if (server_oper && !IsOper(target_p))
335	adx	268	continue;
336	adx	30	do_who(source_p, target_p, chname, get_member_status(ms, NO));
337			}
338			}
339			}
340
341			/* do_who()
342			*
343			* inputs - pointer to client requesting who
344			* - pointer to client to do who on
345			* - The reported name
346			* - channel flags
347			* output - NONE
348			* side effects - do a who on given person
349			*/
350			static void
351			do_who(struct Client source_p, struct Client target_p,
352			const char chname, const char op_flags)
353			{
354			char status[6];
355			const char from, to;
356
357			if (IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
358			{
359			from = me.id;
360			to = source_p->id;
361			}
362			else
363			{
364			from = me.name;
365			to = source_p->name;
366			}
367
368			if (IsOper(source_p))
369			ircsprintf(status, "%c%s%s%s",
370			target_p->away ? 'G' : 'H',
371			IsOper(target_p) ? "*" : "", IsCaptured(target_p) ? "#" : "", op_flags);
372			else
373			ircsprintf(status, "%c%s%s", target_p->away ? 'G' : 'H',
374			IsOper(target_p) ? "*" : "", op_flags);
375
376			if (ConfigServerHide.hide_servers)
377			{
378			sendto_one(source_p, form_str(RPL_WHOREPLY), from, to,
379			(chname) ? (chname) : "*",
380			target_p->username, target_p->host,
381			IsOper(source_p) ? target_p->servptr->name : "*",
382			target_p->name, status, 0, target_p->info);
383			}
384			else
385			{
386			sendto_one(source_p, form_str(RPL_WHOREPLY), from, to,
387			(chname) ? (chname) : "*",
388			target_p->username,
389			target_p->host, target_p->servptr->name, target_p->name,
390			status, target_p->hopcount, target_p->info);
391			}
392			}
393
394			/*
395			** ms_who()
396			** parv[0] = sender prefix
397			** parv[1] = nickname mask list
398			** parv[2] = additional selection flag, only 'o' for now.
399			*/
400			static void
401			ms_who(struct Client client_p, struct Client source_p,
402			int parc, char *parv[])
403			{
404			/* If its running as a hub, and linked with lazy links
405			* then allow leaf to use normal client m_who()
406			* other wise, ignore it.
407			*/
408			if (IsClient(source_p) && ServerInfo.hub &&
409			IsCapable(client_p->from, CAP_LL))
410			m_who(client_p, source_p, parc, parv);
411			}