ircd-hybrid-8/src/resv.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  resv.c: Functions to reserve(jupe) a nick/channel.
 *
 *  Copyright (C) 2001-2002 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
 *
 *  $Id$
 */

#include "stdinc.h"
#include "tools.h"
#include "common.h"
#include "fdlist.h"
#include "ircd.h"
#include "send.h"
#include "client.h"   
#include "memory.h"
#include "numeric.h"
#include "resv.h"
#include "hash.h"
#include "irc_string.h"
#include "ircd_defs.h"
#include "s_conf.h"

dlink_list resv_channel_list = { NULL, NULL, 0 };


/* create_channel_resv()
 *
 * inputs       - name of channel to create resv for
 *              - reason for resv
 *              - flag, 1 for from ircd.conf 0 from elsehwere
 * output       - pointer to struct ResvChannel
 * side effects -
 */
struct ConfItem *
create_channel_resv(char *name, char *reason, int in_conf)
{
  struct ConfItem *conf = NULL;
  struct ResvChannel *resv_p = NULL;

  if (name == NULL || reason == NULL)
    return NULL;

  if (hash_find_resv(name))
    return NULL;

  if (strlen(reason) > REASONLEN)
    reason[REASONLEN] = '\0';

  conf = make_conf_item(CRESV_TYPE);
  resv_p = map_to_conf(conf);

  strlcpy(resv_p->name, name, sizeof(resv_p->name));
  DupString(conf->name, name);
  DupString(resv_p->reason, reason);
  resv_p->conf = in_conf;

  dlinkAdd(resv_p, &resv_p->node, &resv_channel_list);
  hash_add_resv(resv_p);

  return conf;
}

/* create_nick_resv()
 *
 * inputs       - name of nick to create resv for
 *              - reason for resv
 *              - 1 if from ircd.conf, 0 if from elsewhere
 * output       - pointer to struct ResvNick
 * side effects -
 */
struct ConfItem *
create_nick_resv(char *name, char *reason, int in_conf)
{
  struct ConfItem *conf = NULL;
  struct MatchItem *resv_p = NULL;

  if (name == NULL || reason == NULL)
    return NULL;

  if (find_matching_name_conf(NRESV_TYPE, name, NULL, NULL, 0))
    return NULL;

  if (strlen(reason) > REASONLEN)
    reason[REASONLEN] = '\0';

  conf = make_conf_item(NRESV_TYPE);
  resv_p = map_to_conf(conf);

  DupString(conf->name, name);
  DupString(resv_p->reason, reason);
  resv_p->action = in_conf;

  return conf;
}

/* clear_conf_resv()
 *
 * inputs       - none
 * output       - none
 * side effects - All resvs are cleared out
 */
void
clear_conf_resv(void)
{
  dlink_node *ptr = NULL, *next_ptr = NULL;

  DLINK_FOREACH_SAFE(ptr, next_ptr, resv_channel_list.head)
    delete_channel_resv(ptr->data);
}

/* delete_channel_resv()
 *
 * inputs       - pointer to channel resv to delete
 * output       - none
 * side effects - given struct ResvChannel * is removed
 */
int
delete_channel_resv(struct ResvChannel *resv_p)
{
  struct ConfItem *conf = NULL;
  assert(resv_p != NULL);

  hash_del_resv(resv_p);
  dlinkDelete(&resv_p->node, &resv_channel_list);
  MyFree(resv_p->reason);
  conf = unmap_conf_item(resv_p);
  delete_conf_item(conf);

  return 1;
}

/* match_find_resv()
 *
 * inputs       - pointer to name
 * output       - pointer to a struct ResvChannel
 * side effects - Finds a reserved channel whose name matches 'name',
 *                if can't find one returns NULL.
 */
struct ResvChannel *
match_find_resv(const char *name)
{
  dlink_node *ptr = NULL;

  if (EmptyString(name))
    return NULL;

  DLINK_FOREACH(ptr, resv_channel_list.head)
  {
    struct ResvChannel *chptr = ptr->data;

    if (match_chan(name, chptr->name))
      return chptr;
  }

  return NULL;
}

/* report_resv()
 *
 * inputs       - pointer to client pointer to report to.
 * output       - NONE
 * side effects - report all resvs to client.
 */
void
report_resv(struct Client *source_p)
{
  dlink_node *ptr;
  struct ConfItem *conf;
  struct ResvChannel *resv_cp;
  struct MatchItem *resv_np;

  DLINK_FOREACH(ptr, resv_channel_list.head)
  {
    resv_cp = ptr->data;
    sendto_one(source_p, form_str(RPL_STATSQLINE),
               me.name, source_p->name,
               resv_cp->conf ? 'Q' : 'q',
               resv_cp->name, resv_cp->reason);
  }

  DLINK_FOREACH(ptr, nresv_items.head)
  {
    conf = ptr->data;
    resv_np = map_to_conf(conf);

    sendto_one(source_p, form_str(RPL_STATSQLINE),
               me.name, source_p->name,
               resv_np->action ? 'Q' : 'q',
               conf->name, resv_np->reason);
  }
}

/* valid_wild_card_simple()
 *
 * inputs       - data to check for sufficient non-wildcard characters
 * outputs      - 1 if valid, else 0
 * side effects - none
 */
int
valid_wild_card_simple(const char *data)
{
  const unsigned char *p = (const unsigned char *)data;
  int nonwild = 0;

  while (*p != '\0')
  {
    if ((*p == '\\' && *++p) || (*p && !IsMWildChar(*p)))
      if (++nonwild == ConfigFileEntry.min_nonwildcard_simple)
        return 1;
    if (*p != '\0')
      ++p;
  }

  return 0;
}
Revision:	867
Committed:	Thu May 17 14:59:27 2007 UTC (18 years, 3 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-7.2/src/resv.c*
File size:	5381 byte(s)
Log Message:	- Fixed occasional core when placing RESVs on channel names as repoared by Christopher A. Bongaarts.
#	Content
1	/*
2	* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	* resv.c: Functions to reserve(jupe) a nick/channel.
4	*
5	* Copyright (C) 2001-2002 Hybrid Development Team
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	* $Id$
23	*/
24
25	#include "stdinc.h"
26	#include "tools.h"
27	#include "common.h"
28	#include "fdlist.h"
29	#include "ircd.h"
30	#include "send.h"
31	#include "client.h"
32	#include "memory.h"
33	#include "numeric.h"
34	#include "resv.h"
35	#include "hash.h"
36	#include "irc_string.h"
37	#include "ircd_defs.h"
38	#include "s_conf.h"
39
40	dlink_list resv_channel_list = { NULL, NULL, 0 };
41
42
43	/* create_channel_resv()
44	*
45	* inputs - name of channel to create resv for
46	* - reason for resv
47	* - flag, 1 for from ircd.conf 0 from elsehwere
48	* output - pointer to struct ResvChannel
49	* side effects -
50	*/
51	struct ConfItem *
52	create_channel_resv(char name, char reason, int in_conf)
53	{
54	struct ConfItem *conf = NULL;
55	struct ResvChannel *resv_p = NULL;
56
57	if (name == NULL \|\| reason == NULL)
58	return NULL;
59
60	if (hash_find_resv(name))
61	return NULL;
62
63	if (strlen(reason) > REASONLEN)
64	reason[REASONLEN] = '\0';
65
66	conf = make_conf_item(CRESV_TYPE);
67	resv_p = map_to_conf(conf);
68
69	strlcpy(resv_p->name, name, sizeof(resv_p->name));
70	DupString(conf->name, name);
71	DupString(resv_p->reason, reason);
72	resv_p->conf = in_conf;
73
74	dlinkAdd(resv_p, &resv_p->node, &resv_channel_list);
75	hash_add_resv(resv_p);
76
77	return conf;
78	}
79
80	/* create_nick_resv()
81	*
82	* inputs - name of nick to create resv for
83	* - reason for resv
84	* - 1 if from ircd.conf, 0 if from elsewhere
85	* output - pointer to struct ResvNick
86	* side effects -
87	*/
88	struct ConfItem *
89	create_nick_resv(char name, char reason, int in_conf)
90	{
91	struct ConfItem *conf = NULL;
92	struct MatchItem *resv_p = NULL;
93
94	if (name == NULL \|\| reason == NULL)
95	return NULL;
96
97	if (find_matching_name_conf(NRESV_TYPE, name, NULL, NULL, 0))
98	return NULL;
99
100	if (strlen(reason) > REASONLEN)
101	reason[REASONLEN] = '\0';
102
103	conf = make_conf_item(NRESV_TYPE);
104	resv_p = map_to_conf(conf);
105
106	DupString(conf->name, name);
107	DupString(resv_p->reason, reason);
108	resv_p->action = in_conf;
109
110	return conf;
111	}
112
113	/* clear_conf_resv()
114	*
115	* inputs - none
116	* output - none
117	* side effects - All resvs are cleared out
118	*/
119	void
120	clear_conf_resv(void)
121	{
122	dlink_node ptr = NULL, next_ptr = NULL;
123
124	DLINK_FOREACH_SAFE(ptr, next_ptr, resv_channel_list.head)
125	delete_channel_resv(ptr->data);
126	}
127
128	/* delete_channel_resv()
129	*
130	* inputs - pointer to channel resv to delete
131	* output - none
132	* side effects - given struct ResvChannel * is removed
133	*/
134	int
135	delete_channel_resv(struct ResvChannel *resv_p)
136	{
137	struct ConfItem *conf = NULL;
138	assert(resv_p != NULL);
139
140	hash_del_resv(resv_p);
141	dlinkDelete(&resv_p->node, &resv_channel_list);
142	MyFree(resv_p->reason);
143	conf = unmap_conf_item(resv_p);
144	delete_conf_item(conf);
145
146	return 1;
147	}
148
149	/* match_find_resv()
150	*
151	* inputs - pointer to name
152	* output - pointer to a struct ResvChannel
153	* side effects - Finds a reserved channel whose name matches 'name',
154	* if can't find one returns NULL.
155	*/
156	struct ResvChannel *
157	match_find_resv(const char *name)
158	{
159	dlink_node *ptr = NULL;
160
161	if (EmptyString(name))
162	return NULL;
163
164	DLINK_FOREACH(ptr, resv_channel_list.head)
165	{
166	struct ResvChannel *chptr = ptr->data;
167
168	if (match_chan(name, chptr->name))
169	return chptr;
170	}
171
172	return NULL;
173	}
174
175	/* report_resv()
176	*
177	* inputs - pointer to client pointer to report to.
178	* output - NONE
179	* side effects - report all resvs to client.
180	*/
181	void
182	report_resv(struct Client *source_p)
183	{
184	dlink_node *ptr;
185	struct ConfItem *conf;
186	struct ResvChannel *resv_cp;
187	struct MatchItem *resv_np;
188
189	DLINK_FOREACH(ptr, resv_channel_list.head)
190	{
191	resv_cp = ptr->data;
192	sendto_one(source_p, form_str(RPL_STATSQLINE),
193	me.name, source_p->name,
194	resv_cp->conf ? 'Q' : 'q',
195	resv_cp->name, resv_cp->reason);
196	}
197
198	DLINK_FOREACH(ptr, nresv_items.head)
199	{
200	conf = ptr->data;
201	resv_np = map_to_conf(conf);
202
203	sendto_one(source_p, form_str(RPL_STATSQLINE),
204	me.name, source_p->name,
205	resv_np->action ? 'Q' : 'q',
206	conf->name, resv_np->reason);
207	}
208	}
209
210	/* valid_wild_card_simple()
211	*
212	* inputs - data to check for sufficient non-wildcard characters
213	* outputs - 1 if valid, else 0
214	* side effects - none
215	*/
216	int
217	valid_wild_card_simple(const char *data)
218	{
219	const unsigned char p = (const unsigned char )data;
220	int nonwild = 0;
221
222	while (*p != '\0')
223	{
224	if ((p == '\\' && ++p) \|\| (p && !IsMWildChar(p)))
225	if (++nonwild == ConfigFileEntry.min_nonwildcard_simple)
226	return 1;
227	if (*p != '\0')
228	++p;
229	}
230
231	return 0;
232	}