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 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, source_p->name);
    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);
}

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

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

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

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1230
Committed:	Thu Sep 22 19:41:19 2011 UTC (13 years, 11 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/modules/m_list.c*
File size:	5698 byte(s)
Log Message:	- cleanup module loader. Make module api more flexible
#	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
44			static int
45			has_wildcards(const char *s)
46			{
47			char c;
48
49			while ((c = *s++))
50			if (IsMWildChar(c))
51			return 1;
52
53			return 0;
54			}
55
56			static void
57			do_list(struct Client source_p, int parc, char parv[])
58			{
59			struct ListTask *lt;
60			int no_masked_channels;
61
62	michael	885	if (source_p->localClient->list_task != NULL)
63	adx	30	{
64	michael	885	free_list_task(source_p->localClient->list_task, source_p);
65			sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
66			return;
67	adx	30	}
68
69	michael	885	lt = MyMalloc(sizeof(struct ListTask));
70	adx	30	lt->users_max = UINT_MAX;
71			lt->created_max = UINT_MAX;
72			lt->topicts_max = UINT_MAX;
73	michael	885	source_p->localClient->list_task = lt;
74
75	adx	30	no_masked_channels = 1;
76
77			if (parc > 1)
78			{
79	michael	968	char opt, save = NULL;
80	adx	30	dlink_list *list;
81			int i, errors = 0;
82
83			for (opt = strtoken(&save, parv[1], ","); opt != NULL;
84			opt = strtoken(&save, NULL, ","))
85			switch (*opt)
86			{
87			case '<': if ((i = atoi(opt + 1)) > 0)
88	michael	1121	lt->users_max = (unsigned int) i - 1;
89	adx	30	else
90	michael	1121	errors = 1;
91			break;
92	adx	30	case '>': if ((i = atoi(opt + 1)) >= 0)
93	michael	1121	lt->users_min = (unsigned int) i + 1;
94			else
95			errors = 1;
96			break;
97	adx	30	case '-': break;
98			case 'C':
99	michael	1121	case 'c': switch (*++opt)
100			{
101	adx	30	case '<': if ((i = atoi(opt + 1)) >= 0)
102			lt->created_max = (unsigned int) (CurrentTime
103			- 60 * i);
104			else
105			errors = 1;
106			break;
107			case '>': if ((i = atoi(opt + 1)) >= 0)
108			lt->created_min = (unsigned int) (CurrentTime
109			- 60 * i);
110			else
111			errors = 1;
112			break;
113			default: errors = 1;
114			}
115			break;
116			case 'T':
117			case 't': switch (*++opt)
118			{
119			case '<': if ((i = atoi(opt + 1)) >= 0)
120			lt->topicts_min = (unsigned int) (CurrentTime
121			- 60 * i);
122			else
123			errors = 1;
124			break;
125			case '>': if ((i = atoi(opt + 1)) >= 0)
126			lt->topicts_max = (unsigned int) (CurrentTime
127			- 60 * i);
128			else
129			errors = 1;
130			break;
131			default: errors = 1;
132			}
133			break;
134			default: if (*opt == '!')
135			{
136			list = &lt->hide_mask;
137			opt++;
138			}
139			else list = &lt->show_mask;
140
141			if (has_wildcards(opt + !!IsChanPrefix(*opt)))
142			{
143			if (list == &lt->show_mask)
144			no_masked_channels = 0;
145			}
146			else if (!IsChanPrefix(*opt))
147			errors = 1;
148			if (!errors)
149			{
150			char *s;
151			DupString(s, opt);
152			dlinkAdd(s, make_dlink_node(), list);
153			}
154			}
155			if (errors)
156			{
157			free_list_task(lt, source_p);
158			sendto_one(source_p, form_str(ERR_LISTSYNTAX),
159	michael	896	me.name, source_p->name);
160	adx	30	return;
161			}
162			}
163
164
165	michael	885	dlinkAdd(source_p, make_dlink_node(), &listing_client_list);
166
167	adx	30	sendto_one(source_p, form_str(RPL_LISTSTART),
168	michael	896	me.name, source_p->name);
169	adx	30	safe_list_channels(source_p, lt, no_masked_channels &&
170	michael	896	lt->show_mask.head != NULL);
171	adx	30	}
172
173			/*
174			** m_list
175			** parv[0] = sender prefix
176			** parv[1] = channel
177			*/
178			static void
179			m_list(struct Client client_p, struct Client source_p,
180			int parc, char *parv[])
181			{
182			static time_t last_used = 0;
183
184			if (((last_used + ConfigFileEntry.pace_wait) > CurrentTime))
185			{
186	michael	1230	sendto_one(source_p, form_str(RPL_LOAD2HI),
187			me.name, source_p->name);
188	adx	30	return;
189			}
190
191	michael	885	last_used = CurrentTime;
192	adx	30
193			do_list(source_p, parc, parv);
194			}
195
196			/*
197			** mo_list
198			** parv[0] = sender prefix
199			** parv[1] = channel
200			*/
201			static void
202			mo_list(struct Client client_p, struct Client source_p,
203			int parc, char *parv[])
204			{
205			do_list(source_p, parc, parv);
206			}
207	michael	1230
208			static struct Message list_msgtab = {
209			"LIST", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
210			{m_unregistered, m_list, m_ignore, m_ignore, mo_list, m_ignore}
211			};
212
213			static void
214			module_init(void)
215			{
216			mod_add_cmd(&list_msgtab);
217			add_isupport("ELIST", "CMNTU", -1);
218			add_isupport("SAFELIST", NULL, -1);
219			}
220
221			static void
222			module_exit(void)
223			{
224			mod_del_cmd(&list_msgtab);
225			delete_isupport("ELIST");
226			delete_isupport("SAFELIST");
227			}
228
229			struct module module_entry = {
230			.node = { NULL, NULL, NULL },
231			.name = NULL,
232			.version = "$Revision$",
233			.handle = NULL,
234			.modinit = module_init,
235			.modexit = module_exit,
236			.flags = 0
237			};