trunk/modules/m_ison.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2014 ircd-hybrid 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
 */

/*! \file m_ison.c
 * \brief Includes required functions for processing the ISON command.
 * \version $Id$
 */

#include "stdinc.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "parse.h"
#include "modules.h"


/*! \brief ISON command handler
 *
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = space-separated list of nicknames
 */
static int
m_ison(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 done = 0;

  len = snprintf(buf, sizeof(buf), numeric_form(RPL_ISON), me.name, source_p->name);
  current_insert_point = buf + len;

  /*
   * rfc1459 is ambigious about how to handle ISON
   * this should handle both interpretations.
   */
  for (int i = 1; i < parc; ++i)
  {
    for (nick = strtoken(&p, parv[i], " "); nick;
         nick = strtoken(&p,    NULL, " "))
    {
      if ((target_p = find_person(source_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);
  return 0;
}

static struct Message ison_msgtab =
{
  "ISON", 0, 0, 2, 1, MFLG_SLOW, 0,
  { m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore }
};

static void
module_init(void)
{
  mod_add_cmd(&ison_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&ison_msgtab);
}

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	3738
Committed:	Sun Jun 1 16:18:16 2014 UTC (11 years, 3 months ago) by michael
Content type:	text/x-csrc
File size:	3363 byte(s)
Log Message:	- m_ison.c:m_ison(): style corrections
#	User	Rev	Content
1	adx	30	/*
2	michael	2820	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	2820	* Copyright (c) 1997-2014 ircd-hybrid development team
5	adx	30	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19			* USA
20			*/
21
22	michael	2820	/*! \file m_ison.c
23			* \brief Includes required functions for processing the ISON command.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28			#include "client.h"
29			#include "irc_string.h"
30			#include "ircd.h"
31			#include "numeric.h"
32			#include "send.h"
33			#include "parse.h"
34			#include "modules.h"
35
36
37	michael	3344	/*! \brief ISON command handler
38	michael	2099	*
39	michael	3344	* \param source_p Pointer to allocated Client struct from which the message
40			* originally comes from. This can be a local or remote client.
41			* \param parc Integer holding the number of supplied arguments.
42			* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
43			* pointers.
44			* \note Valid arguments for this command are:
45			* - parv[0] = command
46			* - parv[1] = space-separated list of nicknames
47	michael	2099	*/
48	michael	2820	static int
49	michael	3156	m_ison(struct Client source_p, int parc, char parv[])
50	adx	30	{
51			struct Client *target_p = NULL;
52			char *nick;
53	michael	875	char *p = NULL;
54	michael	885	char *current_insert_point = NULL;
55	adx	30	char buf[IRCD_BUFSIZE];
56			int len;
57			int done = 0;
58
59	michael	3109	len = snprintf(buf, sizeof(buf), numeric_form(RPL_ISON), me.name, source_p->name);
60	adx	30	current_insert_point = buf + len;
61
62	michael	885	/*
63			* rfc1459 is ambigious about how to handle ISON
64	adx	30	* this should handle both interpretations.
65			*/
66	michael	3738	for (int i = 1; i < parc; ++i)
67	adx	30	{
68			for (nick = strtoken(&p, parv[i], " "); nick;
69	michael	885	nick = strtoken(&p, NULL, " "))
70	adx	30	{
71	michael	3156	if ((target_p = find_person(source_p, nick)))
72	adx	30	{
73			len = strlen(target_p->name);
74
75			if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
76			{
77			memcpy(current_insert_point, target_p->name, len);
78			current_insert_point += len;
79			*current_insert_point++ = ' ';
80			}
81			else
82			{
83			done = 1;
84			break;
85			}
86			}
87			}
88
89			if (done)
90			break;
91			}
92
93	michael	885	/*
94			* current_insert_point--;
95	adx	30	* Do NOT take out the trailing space, it breaks ircII
96	michael	885	* --Rodder
97			*/
98			*current_insert_point = '\0';
99	adx	30
100	michael	885	sendto_one(source_p, "%s", buf);
101	michael	2820	return 0;
102	adx	30	}
103	michael	1230
104	michael	2820	static struct Message ison_msgtab =
105			{
106	michael	1728	"ISON", 0, 0, 2, 1, MFLG_SLOW, 0,
107	michael	2820	{ m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore }
108	michael	1230	};
109
110			static void
111			module_init(void)
112			{
113			mod_add_cmd(&ison_msgtab);
114			}
115
116			static void
117			module_exit(void)
118			{
119			mod_del_cmd(&ison_msgtab);
120			}
121
122	michael	2820	struct module module_entry =
123			{
124	michael	1230	.node = { NULL, NULL, NULL },
125			.name = NULL,
126			.version = "$Revision$",
127			.handle = NULL,
128			.modinit = module_init,
129			.modexit = module_exit,
130			.flags = 0
131			};