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,
          const 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];
  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, form_str(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, form_str(RPL_WHOISSERVER),
                   me.name, source_p->name, temp->name,
                   ServerInfo.network_name, myctime(temp->logoff));
      else
        sendto_one(source_p, form_str(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, form_str(ERR_WASNOSUCHNICK),
               me.name, source_p->name, nick);

  sendto_one(source_p, form_str(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, form_str(ERR_NONICKNAMEGIVEN),
               me.name, source_p->name);
    return;
  }

  if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
  {
    sendto_one(source_p,form_str(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, form_str(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:	1876
Committed:	Sat Apr 27 09:36:33 2013 UTC (13 years, 5 months ago) by michael
Content type:	text/x-csrc
File size:	4287 byte(s)
Log Message:	- m_whowas.c,m_names.c,m_kick.c: remove pointless code. There's no real reason why we should skip preceding commas in nick-/channelnames
#	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	michael	1857	const int parc, char *parv[])
45	adx	30	{
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			if ((p = strchr(nick,',')) != NULL)
66			*p = '\0';
67			if (*nick == '\0')
68			return;
69
70	michael	1358	DLINK_FOREACH(ptr, WHOWASHASH[strhash(nick)].head)
71			{
72			const struct Whowas *temp = ptr->data;
73	adx	30
74	michael	1121	if (!irccmp(nick, temp->name))
75	adx	30	{
76	michael	1834	sendto_one(source_p, form_str(RPL_WHOWASUSER),
77	adx	30	me.name, source_p->name, temp->name,
78			temp->username, temp->hostname,
79			temp->realname);
80
81	michael	1219	if (ConfigServerHide.hide_servers && !HasUMode(source_p, UMODE_OPER))
82	michael	1834	sendto_one(source_p, form_str(RPL_WHOISSERVER),
83	adx	30	me.name, source_p->name, temp->name,
84			ServerInfo.network_name, myctime(temp->logoff));
85			else
86	michael	1834	sendto_one(source_p, form_str(RPL_WHOISSERVER),
87	adx	30	me.name, source_p->name, temp->name,
88			temp->servername, myctime(temp->logoff));
89	michael	1358	++cur;
90	adx	30	}
91
92			if (max > 0 && cur >= max)
93			break;
94			}
95
96			if (!cur)
97	michael	1834	sendto_one(source_p, form_str(ERR_WASNOSUCHNICK),
98	adx	30	me.name, source_p->name, nick);
99
100	michael	1834	sendto_one(source_p, form_str(RPL_ENDOFWHOWAS),
101	adx	30	me.name, source_p->name, parv[1]);
102			}
103	michael	1230
104			/*
105			** m_whowas
106			** parv[0] = sender prefix
107			** parv[1] = nickname queried
108			*/
109			static void
110			m_whowas(struct Client client_p, struct Client source_p,
111			int parc, char *parv[])
112			{
113			static time_t last_used = 0;
114
115			if (parc < 2 \|\| EmptyString(parv[1]))
116			{
117	michael	1834	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
118	michael	1230	me.name, source_p->name);
119			return;
120			}
121
122			if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
123			{
124	michael	1834	sendto_one(source_p,form_str(RPL_LOAD2HI),
125	michael	1230	me.name, source_p->name);
126			return;
127			}
128
129			last_used = CurrentTime;
130
131			whowas_do(client_p, source_p, parc, parv);
132			}
133
134			static void
135			mo_whowas(struct Client client_p, struct Client source_p,
136			int parc, char *parv[])
137			{
138			if (parc < 2 \|\| EmptyString(parv[1]))
139			{
140	michael	1834	sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
141	michael	1230	me.name, source_p->name);
142			return;
143			}
144
145			whowas_do(client_p, source_p, parc, parv);
146			}
147
148			static struct Message whowas_msgtab = {
149			"WHOWAS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
150			{ m_unregistered, m_whowas, mo_whowas, m_ignore, mo_whowas, m_ignore }
151			};
152
153			static void
154			module_init(void)
155			{
156			mod_add_cmd(&whowas_msgtab);
157			}
158
159			static void
160			module_exit(void)
161			{
162			mod_del_cmd(&whowas_msgtab);
163			}
164
165			struct module module_entry = {
166			.node = { NULL, NULL, NULL },
167			.name = NULL,
168			.version = "$Revision$",
169			.handle = NULL,
170			.modinit = module_init,
171			.modexit = module_exit,
172			.flags = 0
173			};