ircd-hybrid-7.3/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}
};

void
_modinit(void)
{
  mod_add_cmd(&ison_msgtab);
}

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

const char *_version = "$Revision$";


/*
 * 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:	1121
Committed:	Sun Jan 9 11:03:03 2011 UTC (15 years, 6 months ago) by michael
Content type:	text/x-csrc
File size:	3364 byte(s)
Log Message:	- removed all instances of STATIC_MODULES since we don't have static modules anymore - removed m_mkpasswd module from contrib
#	Content
1	/*
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	* $Id$
23	*/
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	static void do_ison(struct Client , struct Client , int, char *[]);
39	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	{m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore}
44	};
45
46	void
47	_modinit(void)
48	{
49	mod_add_cmd(&ison_msgtab);
50	}
51
52	void
53	_moddeinit(void)
54	{
55	mod_del_cmd(&ison_msgtab);
56	}
57
58	const char *_version = "$Revision$";
59
60
61	/*
62	* m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
63	* with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
64	* clients. Designed to reduce number of whois requests. Can process
65	* nicknames in batches as long as the maximum buffer length.
66	*
67	* format:
68	* ISON :nicklist
69	*/
70	static void
71	m_ison(struct Client client_p, struct Client source_p,
72	int parc, char *parv[])
73	{
74	do_ison(client_p, source_p, parc, parv);
75	}
76
77	static void
78	do_ison(struct Client client_p, struct Client source_p,
79	int parc, char *parv[])
80	{
81	struct Client *target_p = NULL;
82	char *nick;
83	char *p = NULL;
84	char *current_insert_point = NULL;
85	char buf[IRCD_BUFSIZE];
86	int len;
87	int i;
88	int done = 0;
89
90	len = ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
91	current_insert_point = buf + len;
92
93	/*
94	* rfc1459 is ambigious about how to handle ISON
95	* this should handle both interpretations.
96	*/
97	for (i = 1; i < parc; i++)
98	{
99	for (nick = strtoken(&p, parv[i], " "); nick;
100	nick = strtoken(&p, NULL, " "))
101	{
102	if ((target_p = find_person(client_p, nick)))
103	{
104	len = strlen(target_p->name);
105
106	if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
107	{
108	memcpy(current_insert_point, target_p->name, len);
109	current_insert_point += len;
110	*current_insert_point++ = ' ';
111	}
112	else
113	{
114	done = 1;
115	break;
116	}
117	}
118	}
119
120	if (done)
121	break;
122	}
123
124	/*
125	* current_insert_point--;
126	* Do NOT take out the trailing space, it breaks ircII
127	* --Rodder
128	*/
129	*current_insert_point = '\0';
130
131	sendto_one(source_p, "%s", buf);
132	}