trunk/modules/m_list.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 1997-2014 ircd-hybrid development team
 *
 *  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
 */

/*! \file m_list.c
 * \brief Includes required functions for processing the LIST command.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.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 "conf.h"
#include "server.h"
#include "send.h"
#include "parse.h"
#include "modules.h"
#include "user.h"
#include "memory.h"


static void
do_list(struct Client *source_p, int parc, char *parv[])
{
  struct ListTask *lt = NULL;
  int no_masked_channels = 1;

  if (source_p->localClient->list_task)
  {
    free_list_task(source_p);
    sendto_one_numeric(source_p, &me, RPL_LISTEND);
    return;
  }

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

  if (parc > 1 && !EmptyString(parv[1]))
  {
    char *opt, *save = NULL;
    dlink_list *list = NULL;
    int i = 0, errors = 0;

    for (opt = strtoken(&save, parv[1], ","); opt;
         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)
            dlinkAdd(xstrdup(opt), make_dlink_node(), list);
      }
    }

    if (errors)
    {
      free_list_task(source_p);
      sendto_one_numeric(source_p, &me, ERR_LISTSYNTAX);
      return;
    }
  }

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

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

/*! \brief LIST command handler
 *
 * \param source_p Pointer to allocated Client struct from which the message
 *                 originally comes from.  This can be a local or remote client.
 * \param parc     Integer holding the number of supplied arguments.
 * \param parv     Argument vector where parv[0] .. parv[parc-1] are non-NULL
 *                 pointers.
 * \note Valid arguments for this command are:
 *      - parv[0] = command
 *      - parv[1] = channel name/list options
 */
static int
m_list(struct Client *source_p, int parc, char *parv[])
{
  do_list(source_p, parc, parv);
  return 0;
}

static struct Message list_msgtab =
{
  "LIST", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
  { m_unregistered, m_list, m_ignore, m_ignore, m_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:	3504
Committed:	Sat May 10 19:51:29 2014 UTC (11 years, 3 months ago) by michael
Content type:	text/x-csrc
File size:	5554 byte(s)
Log Message:	- Renamed MyMalloc() to MyCalloc()
#	Content
1	/*
2	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	*
4	* Copyright (c) 1997-2014 ircd-hybrid development team
5	*
6	* This program is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19	* USA
20	*/
21
22	/*! \file m_list.c
23	* \brief Includes required functions for processing the LIST command.
24	* \version $Id$
25	*/
26
27	#include "stdinc.h"
28	#include "list.h"
29	#include "channel.h"
30	#include "channel_mode.h"
31	#include "client.h"
32	#include "hash.h"
33	#include "irc_string.h"
34	#include "ircd.h"
35	#include "numeric.h"
36	#include "conf.h"
37	#include "server.h"
38	#include "send.h"
39	#include "parse.h"
40	#include "modules.h"
41	#include "user.h"
42	#include "memory.h"
43
44
45	static void
46	do_list(struct Client source_p, int parc, char parv[])
47	{
48	struct ListTask *lt = NULL;
49	int no_masked_channels = 1;
50
51	if (source_p->localClient->list_task)
52	{
53	free_list_task(source_p);
54	sendto_one_numeric(source_p, &me, RPL_LISTEND);
55	return;
56	}
57
58	lt = MyCalloc(sizeof(struct ListTask));
59	lt->users_max = UINT_MAX;
60	lt->created_max = UINT_MAX;
61	lt->topicts_max = UINT_MAX;
62	source_p->localClient->list_task = lt;
63
64	if (parc > 1 && !EmptyString(parv[1]))
65	{
66	char opt, save = NULL;
67	dlink_list *list = NULL;
68	int i = 0, errors = 0;
69
70	for (opt = strtoken(&save, parv[1], ","); opt;
71	opt = strtoken(&save, NULL, ","))
72	{
73	switch (*opt)
74	{
75	case '<':
76	if ((i = atoi(opt + 1)) > 0)
77	lt->users_max = (unsigned int)i - 1;
78	else
79	errors = 1;
80	break;
81	case '>':
82	if ((i = atoi(opt + 1)) >= 0)
83	lt->users_min = (unsigned int)i + 1;
84	else
85	errors = 1;
86	break;
87	case '-': break;
88	case 'C':
89	case 'c':
90	switch (*++opt)
91	{
92	case '<':
93	if ((i = atoi(opt + 1)) >= 0)
94	lt->created_max = (unsigned int)(CurrentTime - 60 * i);
95	else
96	errors = 1;
97	break;
98	case '>':
99	if ((i = atoi(opt + 1)) >= 0)
100	lt->created_min = (unsigned int)(CurrentTime - 60 * i);
101	else
102	errors = 1;
103	break;
104	default:
105	errors = 1;
106	}
107
108	break;
109
110	case 'T':
111	case 't':
112	switch (*++opt)
113	{
114	case '<':
115	if ((i = atoi(opt + 1)) >= 0)
116	lt->topicts_min = (unsigned int)(CurrentTime - 60 * i);
117	else
118	errors = 1;
119	break;
120	case '>':
121	if ((i = atoi(opt + 1)) >= 0)
122	lt->topicts_max = (unsigned int)(CurrentTime - 60 * i);
123	else
124	errors = 1;
125	break;
126	default:
127	errors = 1;
128	}
129
130	break;
131
132	default:
133	if (*opt == '!')
134	{
135	list = &lt->hide_mask;
136	opt++;
137	}
138	else
139	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
149	if (!errors)
150	dlinkAdd(xstrdup(opt), make_dlink_node(), list);
151	}
152	}
153
154	if (errors)
155	{
156	free_list_task(source_p);
157	sendto_one_numeric(source_p, &me, ERR_LISTSYNTAX);
158	return;
159	}
160	}
161
162	dlinkAdd(source_p, make_dlink_node(), &listing_client_list);
163
164	sendto_one_numeric(source_p, &me, RPL_LISTSTART);
165	safe_list_channels(source_p, no_masked_channels && lt->show_mask.head != NULL);
166	}
167
168	/*! \brief LIST command handler
169	*
170	* \param source_p Pointer to allocated Client struct from which the message
171	* originally comes from. This can be a local or remote client.
172	* \param parc Integer holding the number of supplied arguments.
173	* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
174	* pointers.
175	* \note Valid arguments for this command are:
176	* - parv[0] = command
177	* - parv[1] = channel name/list options
178	*/
179	static int
180	m_list(struct Client source_p, int parc, char parv[])
181	{
182	do_list(source_p, parc, parv);
183	return 0;
184	}
185
186	static struct Message list_msgtab =
187	{
188	"LIST", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
189	{ m_unregistered, m_list, m_ignore, m_ignore, m_list, m_ignore }
190	};
191
192	static void
193	module_init(void)
194	{
195	mod_add_cmd(&list_msgtab);
196	add_isupport("ELIST", "CMNTU", -1);
197	add_isupport("SAFELIST", NULL, -1);
198	}
199
200	static void
201	module_exit(void)
202	{
203	mod_del_cmd(&list_msgtab);
204	delete_isupport("ELIST");
205	delete_isupport("SAFELIST");
206	}
207
208	struct module module_entry =
209	{
210	.node = { NULL, NULL, NULL },
211	.name = NULL,
212	.version = "$Revision$",
213	.handle = NULL,
214	.modinit = module_init,
215	.modexit = module_exit,
216	.flags = 0
217	};