ircd-hybrid-8/modules/m_ison.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_ison.c: Provides a single line answer of whether a user is online.
 *
 *  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 "handlers.h"
#include "client.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h" /* ConfigFileEntry */

static void do_ison(struct Client *, struct Client *, int, char *[]);
static void m_ison(struct Client *, struct Client *, int, char *[]);

struct Message ison_msgtab = {
  "ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
  {m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore}
};

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

void
_moddeinit(void)
{
  mod_del_cmd(&ison_msgtab);
}
const char *_version = "$Revision$";
#endif


/*
 * m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
 * with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
 * clients. Designed to reduce number of whois requests. Can process
 * nicknames in batches as long as the maximum buffer length.
 *
 * format:
 * ISON :nicklist
 */
static void
m_ison(struct Client *client_p, struct Client *source_p,
       int parc, char *parv[])
{
  do_ison(client_p, source_p, parc, parv);
}

static void
do_ison(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  struct Client *target_p = NULL;
  char *nick;
  char *p = NULL;
  char *current_insert_point = NULL;
  char buf[IRCD_BUFSIZE];
  int len;
  int i;
  int done = 0;

  len = ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
  current_insert_point = buf + len;

  /*
   * rfc1459 is ambigious about how to handle ISON
   * this should handle both interpretations.
   */
  for (i = 1; i < parc; i++)
  {
    for (nick = strtoken(&p, parv[i], " "); nick;
         nick = strtoken(&p,    NULL, " "))
    {
      if ((target_p = find_person(client_p, nick)))
      {
        len = strlen(target_p->name);

        if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
        {
          memcpy(current_insert_point, target_p->name, len);
          current_insert_point += len;
          *current_insert_point++ = ' ';
        }
        else
        {
          done = 1;
          break;
        }
      }
    }

    if (done)
      break;
  }

  /*
   *  current_insert_point--;
   *  Do NOT take out the trailing space, it breaks ircII
   *  --Rodder
   */
  *current_insert_point  = '\0';

  sendto_one(source_p, "%s", buf);
}
Revision:	885
Committed:	Wed Oct 31 18:09:24 2007 UTC (18 years, 8 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.2/modules/m_ison.c*
File size:	3394 byte(s)
Log Message:	- Removed LazyLinks in 7.2 to stop people from asking why we keep broken code for half a decade. LL will be implemented in a smarter fashion in due time
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_ison.c: Provides a single line answer of whether a user is online.
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
25			#include "stdinc.h"
26			#include "handlers.h"
27			#include "client.h"
28			#include "irc_string.h"
29			#include "sprintf_irc.h"
30			#include "ircd.h"
31			#include "numeric.h"
32			#include "send.h"
33			#include "msg.h"
34			#include "parse.h"
35			#include "modules.h"
36			#include "s_conf.h" /* ConfigFileEntry */
37
38	michael	885	static void do_ison(struct Client , struct Client , int, char *[]);
39	adx	30	static void m_ison(struct Client , struct Client , int, char *[]);
40
41			struct Message ison_msgtab = {
42			"ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
43	michael	885	{m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore}
44	adx	30	};
45
46			#ifndef STATIC_MODULES
47			void
48			_modinit(void)
49			{
50			mod_add_cmd(&ison_msgtab);
51			}
52
53			void
54			_moddeinit(void)
55			{
56			mod_del_cmd(&ison_msgtab);
57			}
58	knight	31	const char *_version = "$Revision$";
59	adx	30	#endif
60
61
62
63			/*
64			* m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
65			* with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
66			* clients. Designed to reduce number of whois requests. Can process
67			* nicknames in batches as long as the maximum buffer length.
68			*
69			* format:
70			* ISON :nicklist
71			*/
72			static void
73			m_ison(struct Client client_p, struct Client source_p,
74			int parc, char *parv[])
75			{
76	michael	885	do_ison(client_p, source_p, parc, parv);
77	adx	30	}
78
79			static void
80	michael	885	do_ison(struct Client client_p, struct Client source_p,
81	adx	30	int parc, char *parv[])
82			{
83			struct Client *target_p = NULL;
84			char *nick;
85	michael	875	char *p = NULL;
86	michael	885	char *current_insert_point = NULL;
87	adx	30	char buf[IRCD_BUFSIZE];
88			int len;
89			int i;
90			int done = 0;
91
92			len = ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
93			current_insert_point = buf + len;
94
95	michael	885	/*
96			* rfc1459 is ambigious about how to handle ISON
97	adx	30	* this should handle both interpretations.
98			*/
99			for (i = 1; i < parc; i++)
100			{
101			for (nick = strtoken(&p, parv[i], " "); nick;
102	michael	885	nick = strtoken(&p, NULL, " "))
103	adx	30	{
104			if ((target_p = find_person(client_p, nick)))
105			{
106			len = strlen(target_p->name);
107
108			if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
109			{
110			memcpy(current_insert_point, target_p->name, len);
111			current_insert_point += len;
112			*current_insert_point++ = ' ';
113			}
114			else
115			{
116			done = 1;
117			break;
118			}
119			}
120			}
121
122			if (done)
123			break;
124			}
125
126	michael	885	/*
127			* current_insert_point--;
128	adx	30	* Do NOT take out the trailing space, it breaks ircII
129	michael	885	* --Rodder
130			*/
131			*current_insert_point = '\0';
132	adx	30
133	michael	885	sendto_one(source_p, "%s", buf);
134	adx	30	}