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 "whowas.h"
#include "handlers.h"
#include "client.h"
#include "common.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 "s_conf.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"


static void m_whowas(struct Client *, struct Client *, int, char *[]);
static void mo_whowas(struct Client *, struct Client *, int, char *[]);
static void whowas_do(struct Client *, struct Client *, int, char *[]);

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

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

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

const char *_version = "$Revision$";

/*
** 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 void
whowas_do(struct Client *client_p, struct Client *source_p,
          int parc, char *parv[])
{
  struct Whowas *temp = NULL;
  int cur = 0;
  int max = -1;
  char *p = NULL, *nick = 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;

  temp  = WHOWASHASH[strhash(nick)];

  for (; temp; temp = temp->next)
  {
    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 && !IsOper(source_p))
        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]);
}
Revision:	1178
Committed:	Mon Aug 15 08:11:31 2011 UTC (15 years, 2 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/modules/m_whowas.c*
File size:	4345 byte(s)
Log Message:	- Cleanup and restore older parts of the irc-command parser. Gives back ability to specify maximum amount of parameters that are processed within a command.
#	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			#include "whowas.h"
27			#include "handlers.h"
28			#include "client.h"
29			#include "common.h"
30			#include "hash.h"
31			#include "irc_string.h"
32			#include "ircd.h"
33			#include "ircd_defs.h"
34			#include "numeric.h"
35			#include "s_serv.h"
36			#include "s_user.h"
37			#include "send.h"
38			#include "s_conf.h"
39			#include "msg.h"
40			#include "parse.h"
41			#include "modules.h"
42
43
44			static void m_whowas(struct Client , struct Client , int, char *[]);
45			static void mo_whowas(struct Client , struct Client , int, char *[]);
46			static void whowas_do(struct Client , struct Client , int, char *[]);
47
48			struct Message whowas_msgtab = {
49	michael	1178	"WHOWAS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
50	michael	143	{ m_unregistered, m_whowas, mo_whowas, m_ignore, mo_whowas, m_ignore }
51	adx	30	};
52
53			void
54			_modinit(void)
55			{
56			mod_add_cmd(&whowas_msgtab);
57			}
58
59			void
60			_moddeinit(void)
61			{
62			mod_del_cmd(&whowas_msgtab);
63			}
64
65	knight	31	const char *_version = "$Revision$";
66	adx	30
67			/*
68			** m_whowas
69			** parv[0] = sender prefix
70			** parv[1] = nickname queried
71			*/
72			static void
73			m_whowas(struct Client client_p, struct Client source_p,
74			int parc, char *parv[])
75			{
76			static time_t last_used = 0;
77
78	michael	1121	if (parc < 2 \|\| EmptyString(parv[1]))
79	adx	30	{
80			sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
81			me.name, source_p->name);
82			return;
83			}
84
85	adx	269	if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
86	adx	30	{
87			sendto_one(source_p,form_str(RPL_LOAD2HI),
88			me.name, source_p->name);
89			return;
90			}
91
92	michael	1121	last_used = CurrentTime;
93
94	adx	30	whowas_do(client_p, source_p, parc, parv);
95			}
96
97			static void
98			mo_whowas(struct Client client_p, struct Client source_p,
99			int parc, char *parv[])
100			{
101	michael	1121	if (parc < 2 \|\| EmptyString(parv[1]))
102	adx	30	{
103			sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
104			me.name, source_p->name);
105			return;
106			}
107
108			whowas_do(client_p, source_p, parc, parv);
109			}
110
111			static void
112			whowas_do(struct Client client_p, struct Client source_p,
113			int parc, char *parv[])
114			{
115			struct Whowas *temp = NULL;
116			int cur = 0;
117			int max = -1;
118	michael	143	char p = NULL, nick = NULL;
119	adx	30
120			if (parc > 2)
121	michael	145	{
122	adx	30	max = atoi(parv[2]);
123	michael	143
124	michael	145	if (!MyConnect(source_p) && max > 20)
125			max = 20;
126			}
127
128	adx	30	if (parc > 3)
129	michael	143	if (hunt_server(client_p, source_p, ":%s WHOWAS %s %s :%s", 3,
130			parc, parv) != HUNTED_ISME)
131	adx	30	return;
132
133			nick = parv[1];
134			while (*nick == ',')
135			nick++;
136			if ((p = strchr(nick,',')) != NULL)
137			*p = '\0';
138			if (*nick == '\0')
139			return;
140
141			temp = WHOWASHASH[strhash(nick)];
142
143			for (; temp; temp = temp->next)
144			{
145	michael	1121	if (!irccmp(nick, temp->name))
146	adx	30	{
147			sendto_one(source_p, form_str(RPL_WHOWASUSER),
148			me.name, source_p->name, temp->name,
149			temp->username, temp->hostname,
150			temp->realname);
151
152			if (ConfigServerHide.hide_servers && !IsOper(source_p))
153			sendto_one(source_p, form_str(RPL_WHOISSERVER),
154			me.name, source_p->name, temp->name,
155			ServerInfo.network_name, myctime(temp->logoff));
156			else
157			sendto_one(source_p, form_str(RPL_WHOISSERVER),
158			me.name, source_p->name, temp->name,
159			temp->servername, myctime(temp->logoff));
160			cur++;
161			}
162
163			if (max > 0 && cur >= max)
164			break;
165			}
166
167			if (!cur)
168			sendto_one(source_p, form_str(ERR_WASNOSUCHNICK),
169			me.name, source_p->name, nick);
170
171			sendto_one(source_p, form_str(RPL_ENDOFWHOWAS),
172			me.name, source_p->name, parv[1]);
173			}