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}
};

#ifndef STATIC_MODULES
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 = "$Revision$";
#endif

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:	1028
Committed:	Sun Nov 8 13:03:38 2009 UTC (15 years, 9 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/modules/m_list.c*
File size:	5538 byte(s)
Log Message:	- move ircd-hybrid-7.2 to trunk
#	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			#ifndef STATIC_MODULES
52			void
53			_modinit(void)
54			{
55			mod_add_cmd(&list_msgtab);
56			add_isupport("ELIST", "CMNTU", -1);
57			add_isupport("SAFELIST", NULL, -1);
58			}
59
60			void
61			_moddeinit(void)
62			{
63			mod_del_cmd(&list_msgtab);
64			delete_isupport("ELIST");
65			delete_isupport("SAFELIST");
66			}
67
68	knight	31	const char *_version = "$Revision$";
69	adx	30	#endif
70
71			static int
72			has_wildcards(const char *s)
73			{
74			char c;
75
76			while ((c = *s++))
77			if (IsMWildChar(c))
78			return 1;
79
80			return 0;
81			}
82
83			static void
84			do_list(struct Client source_p, int parc, char parv[])
85			{
86			struct ListTask *lt;
87			int no_masked_channels;
88
89	michael	885	if (source_p->localClient->list_task != NULL)
90	adx	30	{
91	michael	885	free_list_task(source_p->localClient->list_task, source_p);
92			sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
93			return;
94	adx	30	}
95
96	michael	885	lt = MyMalloc(sizeof(struct ListTask));
97	adx	30	lt->users_max = UINT_MAX;
98			lt->created_max = UINT_MAX;
99			lt->topicts_max = UINT_MAX;
100	michael	885	source_p->localClient->list_task = lt;
101
102	adx	30	no_masked_channels = 1;
103
104			if (parc > 1)
105			{
106	michael	968	char opt, save = NULL;
107	adx	30	dlink_list *list;
108			int i, errors = 0;
109
110			for (opt = strtoken(&save, parv[1], ","); opt != NULL;
111			opt = strtoken(&save, NULL, ","))
112			switch (*opt)
113			{
114			case '<': if ((i = atoi(opt + 1)) > 0)
115			lt->users_max = (unsigned int) i - 1;
116			else
117			errors = 1;
118			break;
119			case '>': if ((i = atoi(opt + 1)) >= 0)
120			lt->users_min = (unsigned int) i + 1;
121			else
122			errors = 1;
123			break;
124			case '-': break;
125			case 'C':
126			case 'c': switch (*++opt)
127			{
128			case '<': if ((i = atoi(opt + 1)) >= 0)
129			lt->created_max = (unsigned int) (CurrentTime
130			- 60 * i);
131			else
132			errors = 1;
133			break;
134			case '>': if ((i = atoi(opt + 1)) >= 0)
135			lt->created_min = (unsigned int) (CurrentTime
136			- 60 * i);
137			else
138			errors = 1;
139			break;
140			default: errors = 1;
141			}
142			break;
143			case 'T':
144			case 't': switch (*++opt)
145			{
146			case '<': if ((i = atoi(opt + 1)) >= 0)
147			lt->topicts_min = (unsigned int) (CurrentTime
148			- 60 * i);
149			else
150			errors = 1;
151			break;
152			case '>': if ((i = atoi(opt + 1)) >= 0)
153			lt->topicts_max = (unsigned int) (CurrentTime
154			- 60 * i);
155			else
156			errors = 1;
157			break;
158			default: errors = 1;
159			}
160			break;
161			default: if (*opt == '!')
162			{
163			list = &lt->hide_mask;
164			opt++;
165			}
166			else list = &lt->show_mask;
167
168			if (has_wildcards(opt + !!IsChanPrefix(*opt)))
169			{
170			if (list == &lt->show_mask)
171			no_masked_channels = 0;
172			}
173			else if (!IsChanPrefix(*opt))
174			errors = 1;
175			if (!errors)
176			{
177			char *s;
178			DupString(s, opt);
179			dlinkAdd(s, make_dlink_node(), list);
180			}
181			}
182			if (errors)
183			{
184			free_list_task(lt, source_p);
185			sendto_one(source_p, form_str(ERR_LISTSYNTAX),
186	michael	896	me.name, source_p->name);
187	adx	30	return;
188			}
189			}
190
191
192	michael	885	dlinkAdd(source_p, make_dlink_node(), &listing_client_list);
193
194	adx	30	sendto_one(source_p, form_str(RPL_LISTSTART),
195	michael	896	me.name, source_p->name);
196	adx	30	safe_list_channels(source_p, lt, no_masked_channels &&
197	michael	896	lt->show_mask.head != NULL);
198	adx	30	}
199
200			/*
201			** m_list
202			** parv[0] = sender prefix
203			** parv[1] = channel
204			*/
205			static void
206			m_list(struct Client client_p, struct Client source_p,
207			int parc, char *parv[])
208			{
209			static time_t last_used = 0;
210
211			if (((last_used + ConfigFileEntry.pace_wait) > CurrentTime))
212			{
213	michael	1011	sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, parv[0]);
214	adx	30	return;
215			}
216
217	michael	885	last_used = CurrentTime;
218	adx	30
219			do_list(source_p, parc, parv);
220			}
221
222			/*
223			** mo_list
224			** parv[0] = sender prefix
225			** parv[1] = channel
226			*/
227			static void
228			mo_list(struct Client client_p, struct Client source_p,
229			int parc, char *parv[])
230			{
231			do_list(source_p, parc, parv);
232			}