trunk/modules/m_whowas.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_whois.c: Shows who a user was.
 *
 *  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 "list.h"
#include "whowas.h"
#include "client.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "ircd_defs.h"
#include "numeric.h"
#include "s_serv.h"
#include "s_user.h"
#include "send.h"
#include "conf.h"
#include "parse.h"
#include "modules.h"


static void
whowas_do(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  int cur = 0;
  int max = -1;
  char *p = NULL, *nick = NULL;
  const dlink_node *ptr = NULL;

  if (parc > 2)
  {
    max = atoi(parv[2]);

    if (!MyConnect(source_p) && max > 20)
      max = 20;
  }

  if (parc > 3)
    if (hunt_server(client_p, source_p, ":%s WHOWAS %s %s :%s", 3,
                    parc, parv) != HUNTED_ISME)
      return;

  nick = parv[1];
  while (*nick == ',')
    nick++;
  if ((p = strchr(nick,',')) != NULL)
    *p = '\0';
  if (*nick == '\0')
    return;

  DLINK_FOREACH(ptr, WHOWASHASH[strhash(nick)].head)
  {
    const struct Whowas *temp = ptr->data;

    if (!irccmp(nick, temp->name))
    {
      sendto_one(source_p, RPL_WHOWASUSER,
                 me.name, source_p->name, temp->name,
                 temp->username, temp->hostname,
                 temp->realname);

      if (ConfigServerHide.hide_servers && !HasUMode(source_p, UMODE_OPER))
        sendto_one(source_p, RPL_WHOISSERVER,
                   me.name, source_p->name, temp->name,
                   ServerInfo.network_name, myctime(temp->logoff));
      else
        sendto_one(source_p, RPL_WHOISSERVER,
                   me.name, source_p->name, temp->name,
                   temp->servername, myctime(temp->logoff));
      ++cur;
    }

    if (max > 0 && cur >= max)
      break;
  }

  if (!cur)
    sendto_one(source_p, ERR_WASNOSUCHNICK,
               me.name, source_p->name, nick);

  sendto_one(source_p, RPL_ENDOFWHOWAS,
             me.name, source_p->name, parv[1]);
}

/*
** m_whowas
**      parv[0] = sender prefix
**      parv[1] = nickname queried
*/
static void
m_whowas(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  static time_t last_used = 0;

  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, ERR_NONICKNAMEGIVEN,
               me.name, source_p->name);
    return;
  }

  if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
  {
    sendto_one(source_p, RPL_LOAD2HI,
               me.name, source_p->name);
    return;
  }

  last_used = CurrentTime;

  whowas_do(client_p, source_p, parc, parv);
}

static void
mo_whowas(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, ERR_NONICKNAMEGIVEN,
               me.name, source_p->name);
    return;
  }

  whowas_do(client_p, source_p, parc, parv);
}

static struct Message whowas_msgtab = {
  "WHOWAS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_whowas, mo_whowas, m_ignore, mo_whowas, m_ignore }
};

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

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

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1832
Committed:	Fri Apr 19 19:16:09 2013 UTC (12 years, 4 months ago) by michael
Content type:	text/x-csrc
File size:	4237 byte(s)
Log Message:	- Made all numeric defines use the actual string instead of the numeric value which allows to use gcc's printf format attribute - Remove current message locale implementation
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_whois.c: Shows who a user was.
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	michael	1358	#include "list.h"
27	adx	30	#include "whowas.h"
28			#include "client.h"
29			#include "hash.h"
30			#include "irc_string.h"
31			#include "ircd.h"
32			#include "ircd_defs.h"
33			#include "numeric.h"
34			#include "s_serv.h"
35			#include "s_user.h"
36			#include "send.h"
37	michael	1309	#include "conf.h"
38	adx	30	#include "parse.h"
39			#include "modules.h"
40
41
42			static void
43			whowas_do(struct Client client_p, struct Client source_p,
44			int parc, char *parv[])
45			{
46			int cur = 0;
47			int max = -1;
48	michael	143	char p = NULL, nick = NULL;
49	michael	1358	const dlink_node *ptr = NULL;
50	adx	30
51			if (parc > 2)
52	michael	145	{
53	adx	30	max = atoi(parv[2]);
54	michael	143
55	michael	145	if (!MyConnect(source_p) && max > 20)
56			max = 20;
57			}
58
59	adx	30	if (parc > 3)
60	michael	143	if (hunt_server(client_p, source_p, ":%s WHOWAS %s %s :%s", 3,
61			parc, parv) != HUNTED_ISME)
62	adx	30	return;
63
64			nick = parv[1];
65			while (*nick == ',')
66			nick++;
67			if ((p = strchr(nick,',')) != NULL)
68			*p = '\0';
69			if (*nick == '\0')
70			return;
71
72	michael	1358	DLINK_FOREACH(ptr, WHOWASHASH[strhash(nick)].head)
73			{
74			const struct Whowas *temp = ptr->data;
75	adx	30
76	michael	1121	if (!irccmp(nick, temp->name))
77	adx	30	{
78	michael	1832	sendto_one(source_p, RPL_WHOWASUSER,
79	adx	30	me.name, source_p->name, temp->name,
80			temp->username, temp->hostname,
81			temp->realname);
82
83	michael	1219	if (ConfigServerHide.hide_servers && !HasUMode(source_p, UMODE_OPER))
84	michael	1832	sendto_one(source_p, RPL_WHOISSERVER,
85	adx	30	me.name, source_p->name, temp->name,
86			ServerInfo.network_name, myctime(temp->logoff));
87			else
88	michael	1832	sendto_one(source_p, RPL_WHOISSERVER,
89	adx	30	me.name, source_p->name, temp->name,
90			temp->servername, myctime(temp->logoff));
91	michael	1358	++cur;
92	adx	30	}
93
94			if (max > 0 && cur >= max)
95			break;
96			}
97
98			if (!cur)
99	michael	1832	sendto_one(source_p, ERR_WASNOSUCHNICK,
100	adx	30	me.name, source_p->name, nick);
101
102	michael	1832	sendto_one(source_p, RPL_ENDOFWHOWAS,
103	adx	30	me.name, source_p->name, parv[1]);
104			}
105	michael	1230
106			/*
107			** m_whowas
108			** parv[0] = sender prefix
109			** parv[1] = nickname queried
110			*/
111			static void
112			m_whowas(struct Client client_p, struct Client source_p,
113			int parc, char *parv[])
114			{
115			static time_t last_used = 0;
116
117			if (parc < 2 \|\| EmptyString(parv[1]))
118			{
119	michael	1832	sendto_one(source_p, ERR_NONICKNAMEGIVEN,
120	michael	1230	me.name, source_p->name);
121			return;
122			}
123
124			if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
125			{
126	michael	1832	sendto_one(source_p, RPL_LOAD2HI,
127	michael	1230	me.name, source_p->name);
128			return;
129			}
130
131			last_used = CurrentTime;
132
133			whowas_do(client_p, source_p, parc, parv);
134			}
135
136			static void
137			mo_whowas(struct Client client_p, struct Client source_p,
138			int parc, char *parv[])
139			{
140			if (parc < 2 \|\| EmptyString(parv[1]))
141			{
142	michael	1832	sendto_one(source_p, ERR_NONICKNAMEGIVEN,
143	michael	1230	me.name, source_p->name);
144			return;
145			}
146
147			whowas_do(client_p, source_p, parc, parv);
148			}
149
150			static struct Message whowas_msgtab = {
151			"WHOWAS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
152			{ m_unregistered, m_whowas, mo_whowas, m_ignore, mo_whowas, m_ignore }
153			};
154
155			static void
156			module_init(void)
157			{
158			mod_add_cmd(&whowas_msgtab);
159			}
160
161			static void
162			module_exit(void)
163			{
164			mod_del_cmd(&whowas_msgtab);
165			}
166
167			struct module module_entry = {
168			.node = { NULL, NULL, NULL },
169			.name = NULL,
170			.version = "$Revision$",
171			.handle = NULL,
172			.modinit = module_init,
173			.modexit = module_exit,
174			.flags = 0
175			};