trunk/modules/m_list.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_list.c: List channel given or all channels.
 *
 *  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 "handlers.h"
#include "channel.h"
#include "channel_mode.h"
#include "client.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_user.h"

static void m_list(struct Client *, struct Client *, int, char *[]);
static void mo_list(struct Client *, struct Client *, int, char *[]);

struct Message list_msgtab = {
  "LIST", 0, 0, 0, 0, MFLG_SLOW, 0,
  {m_unregistered, m_list, m_ignore, m_ignore, mo_list, m_ignore}
};

void
_modinit(void)
{
  mod_add_cmd(&list_msgtab);
  add_isupport("ELIST", "CMNTU", -1);
  add_isupport("SAFELIST", NULL, -1);
}

void
_moddeinit(void)
{
  mod_del_cmd(&list_msgtab);
  delete_isupport("ELIST");
  delete_isupport("SAFELIST");
}

const char *_version = "$Revision$";

static int
has_wildcards(const char *s)
{
  char c;

  while ((c = *s++))
    if (IsMWildChar(c))
      return 1;

  return 0;
}

static void
do_list(struct Client *source_p, int parc, char *parv[])
{
  struct ListTask *lt;
  int no_masked_channels;

  if (source_p->localClient->list_task != NULL)
  {
    free_list_task(source_p->localClient->list_task, source_p);
    sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
    return;
  }

  lt = MyMalloc(sizeof(struct ListTask));
  lt->users_max = UINT_MAX;
  lt->created_max = UINT_MAX;
  lt->topicts_max = UINT_MAX;
  source_p->localClient->list_task = lt;

  no_masked_channels = 1;

  if (parc > 1)
  {
    char *opt, *save = NULL;
    dlink_list *list;
    int i, errors = 0;

    for (opt = strtoken(&save, parv[1], ","); opt != NULL;
         opt = strtoken(&save, NULL, ","))
      switch (*opt)
      {
        case '<': if ((i = atoi(opt + 1)) > 0)
                    lt->users_max = (unsigned int) i - 1;
                  else
                    errors = 1;
                  break;
        case '>': if ((i = atoi(opt + 1)) >= 0)
                    lt->users_min = (unsigned int) i + 1;
                  else
                    errors = 1;
                  break;
        case '-': break;
        case 'C':
        case 'c': switch (*++opt)
                  {
                    case '<': if ((i = atoi(opt + 1)) >= 0)
                                lt->created_max = (unsigned int) (CurrentTime
                                                  - 60 * i);
                              else
                                errors = 1;
                              break;
                    case '>': if ((i = atoi(opt + 1)) >= 0)
                                lt->created_min = (unsigned int) (CurrentTime
                                                  - 60 * i);
                              else
                                errors = 1;
                              break;
                    default: errors = 1;
                  }
                  break;
        case 'T':
        case 't': switch (*++opt)
                  {
                    case '<': if ((i = atoi(opt + 1)) >= 0)
                                lt->topicts_min = (unsigned int) (CurrentTime
                                                  - 60 * i);
                              else
                                errors = 1;
                              break;
                    case '>': if ((i = atoi(opt + 1)) >= 0)
                                lt->topicts_max = (unsigned int) (CurrentTime
                                                  - 60 * i);
                              else
                                errors = 1;
                              break;
                    default: errors = 1;
                  }
                  break;
        default: if (*opt == '!')
                 {
                   list = &lt->hide_mask;
                   opt++;
                 }
                 else list = &lt->show_mask;

                 if (has_wildcards(opt + !!IsChanPrefix(*opt)))
                 {
                   if (list == &lt->show_mask)
                     no_masked_channels = 0;
                 }
                 else if (!IsChanPrefix(*opt))
                   errors = 1;
                 if (!errors)
                 {
                   char *s;
                   DupString(s, opt);
                   dlinkAdd(s, make_dlink_node(), list);
                 }
      }
    if (errors)
    {
      free_list_task(lt, source_p);
      sendto_one(source_p, form_str(ERR_LISTSYNTAX),
                 me.name, source_p->name);
      return;
    }
  }


  dlinkAdd(source_p, make_dlink_node(), &listing_client_list);

  sendto_one(source_p, form_str(RPL_LISTSTART),
             me.name, source_p->name);
  safe_list_channels(source_p, lt, no_masked_channels &&
                     lt->show_mask.head != NULL);
}

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

  if (((last_used + ConfigFileEntry.pace_wait) > CurrentTime))
  {
    sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, parv[0]);
    return;
  }

  last_used = CurrentTime;

  do_list(source_p, parc, parv);
}

/*
** mo_list
**      parv[0] = sender prefix
**      parv[1] = channel
*/
static void
mo_list(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  do_list(source_p, parc, parv);
}
Revision:	1156
Committed:	Tue Aug 9 20:29:20 2011 UTC (14 years ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/modules/m_list.c*
File size:	5620 byte(s)
Log Message:	- create ircd-hybrid-8 "branch"
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_list.c: List channel given or all channels.
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	1011	#include "list.h"
27	adx	30	#include "handlers.h"
28			#include "channel.h"
29			#include "channel_mode.h"
30			#include "client.h"
31			#include "hash.h"
32			#include "irc_string.h"
33			#include "ircd.h"
34			#include "numeric.h"
35			#include "s_conf.h"
36			#include "s_serv.h"
37			#include "send.h"
38			#include "msg.h"
39			#include "parse.h"
40			#include "modules.h"
41			#include "s_user.h"
42
43	michael	896	static void m_list(struct Client , struct Client , int, char *[]);
44			static void mo_list(struct Client , struct Client , int, char *[]);
45	adx	30
46			struct Message list_msgtab = {
47			"LIST", 0, 0, 0, 0, MFLG_SLOW, 0,
48	michael	885	{m_unregistered, m_list, m_ignore, m_ignore, mo_list, m_ignore}
49	adx	30	};
50
51			void
52			_modinit(void)
53			{
54			mod_add_cmd(&list_msgtab);
55			add_isupport("ELIST", "CMNTU", -1);
56			add_isupport("SAFELIST", NULL, -1);
57			}
58
59			void
60			_moddeinit(void)
61			{
62			mod_del_cmd(&list_msgtab);
63			delete_isupport("ELIST");
64			delete_isupport("SAFELIST");
65			}
66
67	knight	31	const char *_version = "$Revision$";
68	adx	30
69			static int
70			has_wildcards(const char *s)
71			{
72			char c;
73
74			while ((c = *s++))
75			if (IsMWildChar(c))
76			return 1;
77
78			return 0;
79			}
80
81			static void
82			do_list(struct Client source_p, int parc, char parv[])
83			{
84			struct ListTask *lt;
85			int no_masked_channels;
86
87	michael	885	if (source_p->localClient->list_task != NULL)
88	adx	30	{
89	michael	885	free_list_task(source_p->localClient->list_task, source_p);
90			sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
91			return;
92	adx	30	}
93
94	michael	885	lt = MyMalloc(sizeof(struct ListTask));
95	adx	30	lt->users_max = UINT_MAX;
96			lt->created_max = UINT_MAX;
97			lt->topicts_max = UINT_MAX;
98	michael	885	source_p->localClient->list_task = lt;
99
100	adx	30	no_masked_channels = 1;
101
102			if (parc > 1)
103			{
104	michael	968	char opt, save = NULL;
105	adx	30	dlink_list *list;
106			int i, errors = 0;
107
108			for (opt = strtoken(&save, parv[1], ","); opt != NULL;
109			opt = strtoken(&save, NULL, ","))
110			switch (*opt)
111			{
112			case '<': if ((i = atoi(opt + 1)) > 0)
113	michael	1121	lt->users_max = (unsigned int) i - 1;
114	adx	30	else
115	michael	1121	errors = 1;
116			break;
117	adx	30	case '>': if ((i = atoi(opt + 1)) >= 0)
118	michael	1121	lt->users_min = (unsigned int) i + 1;
119			else
120			errors = 1;
121			break;
122	adx	30	case '-': break;
123			case 'C':
124	michael	1121	case 'c': switch (*++opt)
125			{
126	adx	30	case '<': if ((i = atoi(opt + 1)) >= 0)
127			lt->created_max = (unsigned int) (CurrentTime
128			- 60 * i);
129			else
130			errors = 1;
131			break;
132			case '>': if ((i = atoi(opt + 1)) >= 0)
133			lt->created_min = (unsigned int) (CurrentTime
134			- 60 * i);
135			else
136			errors = 1;
137			break;
138			default: errors = 1;
139			}
140			break;
141			case 'T':
142			case 't': switch (*++opt)
143			{
144			case '<': if ((i = atoi(opt + 1)) >= 0)
145			lt->topicts_min = (unsigned int) (CurrentTime
146			- 60 * i);
147			else
148			errors = 1;
149			break;
150			case '>': if ((i = atoi(opt + 1)) >= 0)
151			lt->topicts_max = (unsigned int) (CurrentTime
152			- 60 * i);
153			else
154			errors = 1;
155			break;
156			default: errors = 1;
157			}
158			break;
159			default: if (*opt == '!')
160			{
161			list = &lt->hide_mask;
162			opt++;
163			}
164			else list = &lt->show_mask;
165
166			if (has_wildcards(opt + !!IsChanPrefix(*opt)))
167			{
168			if (list == &lt->show_mask)
169			no_masked_channels = 0;
170			}
171			else if (!IsChanPrefix(*opt))
172			errors = 1;
173			if (!errors)
174			{
175			char *s;
176			DupString(s, opt);
177			dlinkAdd(s, make_dlink_node(), list);
178			}
179			}
180			if (errors)
181			{
182			free_list_task(lt, source_p);
183			sendto_one(source_p, form_str(ERR_LISTSYNTAX),
184	michael	896	me.name, source_p->name);
185	adx	30	return;
186			}
187			}
188
189
190	michael	885	dlinkAdd(source_p, make_dlink_node(), &listing_client_list);
191
192	adx	30	sendto_one(source_p, form_str(RPL_LISTSTART),
193	michael	896	me.name, source_p->name);
194	adx	30	safe_list_channels(source_p, lt, no_masked_channels &&
195	michael	896	lt->show_mask.head != NULL);
196	adx	30	}
197
198			/*
199			** m_list
200			** parv[0] = sender prefix
201			** parv[1] = channel
202			*/
203			static void
204			m_list(struct Client client_p, struct Client source_p,
205			int parc, char *parv[])
206			{
207			static time_t last_used = 0;
208
209			if (((last_used + ConfigFileEntry.pace_wait) > CurrentTime))
210			{
211	michael	1011	sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, parv[0]);
212	adx	30	return;
213			}
214
215	michael	885	last_used = CurrentTime;
216	adx	30
217			do_list(source_p, parc, parv);
218			}
219
220			/*
221			** mo_list
222			** parv[0] = sender prefix
223			** parv[1] = channel
224			*/
225			static void
226			mo_list(struct Client client_p, struct Client source_p,
227			int parc, char *parv[])
228			{
229			do_list(source_p, parc, parv);
230			}