trunk/src/conf_resv.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2001-2015 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 *  USA
 */

/*! \file resv.c
 * \brief Functions to reserve(jupe) a nick/channel.
 * \version $Id$
 */

#include "stdinc.h"
#include "list.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 "misc.h"
#include "conf.h"
#include "conf_db.h"
#include "channel.h"
#include "hostmask.h"


/* create_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 MaskItem *
create_resv(const char *name, const char *reason, const dlink_list *list)
{
  dlink_node *node = NULL;
  struct MaskItem *conf = NULL;
  enum maskitem_type type;

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

  if (IsChanPrefix(*name))
    type = CONF_CRESV;
  else
    type = CONF_NRESV;

  if (find_exact_name_conf(type, NULL, name, NULL, NULL))
    return NULL;

  conf = conf_make(type);
  conf->name = xstrdup(name);
  conf->reason = xstrndup(reason, IRCD_MIN(strlen(reason), REASONLEN));

  if (list)
  {
    DLINK_FOREACH(node, list->head)
    {
      char nick[NICKLEN + 1];
      char user[USERLEN + 1];
      char host[HOSTLEN + 1];
      struct split_nuh_item nuh;
      struct exempt *exptr = NULL;
      char *s = node->data;

      if (strlen(s) == 2 && IsAlpha(*(s + 1) && IsAlpha(*(s + 2))))
      {
#ifdef HAVE_LIBGEOIP
        exptr = MyCalloc(sizeof(*exptr));
        exptr->name = xstrdup(s);
        exptr->country_id = GeoIP_id_by_code(s);
        dlinkAdd(exptr, &exptr->node, &conf->exempt_list);
#endif
      }
      else
      {
        nuh.nuhmask  = s;
        nuh.nickptr  = nick;
        nuh.userptr  = user;
        nuh.hostptr  = host;

        nuh.nicksize = sizeof(nick);
        nuh.usersize = sizeof(user);
        nuh.hostsize = sizeof(host);

        split_nuh(&nuh);

        exptr = MyCalloc(sizeof(*exptr));
        exptr->name = xstrdup(nick);
        exptr->user = xstrdup(user);
        exptr->host = xstrdup(host);
        exptr->type = parse_netmask(host, &exptr->addr, &exptr->bits);
        dlinkAdd(exptr, &exptr->node, &conf->exempt_list);
      }
    }
  }

  return conf;
}

int
resv_find_exempt(const struct Client *who, const struct MaskItem *conf)
{
  const dlink_node *node = NULL;

  DLINK_FOREACH(node, conf->exempt_list.head)
  {
    const struct exempt *exptr = node->data;

    if (exptr->country_id)
    {
      if (exptr->country_id == who->connection->country_id)
        return 1;
    }
    else if (!match(exptr->name, who->name) && !match(exptr->user, who->username))
    {
      switch (exptr->type)
      {
        case HM_HOST:
          if (!match(exptr->host, who->host) || !match(exptr->host, who->sockhost))
            return 1;
          break;
        case HM_IPV4:
          if (who->connection->aftype == AF_INET)
            if (match_ipv4(&who->connection->ip, &exptr->addr, exptr->bits))
              return 1;
          break;
        case HM_IPV6:
          if (who->connection->aftype == AF_INET6)
            if (match_ipv6(&who->connection->ip, &exptr->addr, exptr->bits))
              return 1;
          break;
        default:
          assert(0);
      }
    }
  }

  return 0;
}

/* 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 MaskItem *
match_find_resv(const char *name)
{
  dlink_node *node = NULL;

  if (EmptyString(name))
    return NULL;

  DLINK_FOREACH(node, cresv_items.head)
  {
    struct MaskItem *conf = node->data;

    if (!match(conf->name, name))
      return conf;
  }

  return NULL;
}
Revision:	5347
Committed:	Sun Jan 11 12:42:20 2015 UTC (10 years, 7 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/trunk/src/resv.c*
File size:	4703 byte(s)
Log Message:	- Update copyright years
#	User	Rev	Content
1	adx	30	/*
2	michael	2916	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	adx	30	*
4	michael	5347	* Copyright (c) 2001-2015 ircd-hybrid development team
5	adx	30	*
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	michael	4565	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19	adx	30	* USA
20			*/
21
22	michael	2916	/*! \file resv.c
23			* \brief Functions to reserve(jupe) a nick/channel.
24			* \version $Id$
25			*/
26
27	adx	30	#include "stdinc.h"
28	michael	1011	#include "list.h"
29	adx	30	#include "ircd.h"
30			#include "send.h"
31	michael	2916	#include "client.h"
32	adx	30	#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	michael	3347	#include "misc.h"
39	michael	1309	#include "conf.h"
40	michael	1622	#include "conf_db.h"
41	michael	1858	#include "channel.h"
42			#include "hostmask.h"
43	adx	30
44
45	michael	1858	/* create_resv()
46	adx	30	*
47	michael	1858	* inputs - name of nick to create resv for
48	adx	30	* - reason for resv
49	michael	1858	* - 1 if from ircd.conf, 0 if from elsewhere
50			* output - pointer to struct ResvNick
51	adx	30	* side effects -
52			*/
53	michael	1632	struct MaskItem *
54	michael	1858	create_resv(const char name, const char reason, const dlink_list *list)
55	adx	30	{
56	michael	4815	dlink_node *node = NULL;
57	michael	1632	struct MaskItem *conf = NULL;
58	michael	1858	enum maskitem_type type;
59	adx	30
60			if (name == NULL \|\| reason == NULL)
61			return NULL;
62
63	michael	1858	if (IsChanPrefix(*name))
64			type = CONF_CRESV;
65			else
66			type = CONF_NRESV;
67
68			if (find_exact_name_conf(type, NULL, name, NULL, NULL))
69	adx	30	return NULL;
70
71	michael	1858	conf = conf_make(type);
72	michael	1646	conf->name = xstrdup(name);
73			conf->reason = xstrndup(reason, IRCD_MIN(strlen(reason), REASONLEN));
74	adx	30
75	michael	1858	if (list)
76			{
77	michael	4815	DLINK_FOREACH(node, list->head)
78	michael	1858	{
79	michael	1860	char nick[NICKLEN + 1];
80			char user[USERLEN + 1];
81			char host[HOSTLEN + 1];
82			struct split_nuh_item nuh;
83			struct exempt *exptr = NULL;
84	michael	4815	char *s = node->data;
85	michael	1858
86	michael	1860	if (strlen(s) == 2 && IsAlpha((s + 1) && IsAlpha((s + 2))))
87	michael	1858	{
88	michael	1872	#ifdef HAVE_LIBGEOIP
89	michael	3504	exptr = MyCalloc(sizeof(*exptr));
90	michael	1860	exptr->name = xstrdup(s);
91	michael	4822	exptr->country_id = GeoIP_id_by_code(s);
92	michael	1860	dlinkAdd(exptr, &exptr->node, &conf->exempt_list);
93	michael	1872	#endif
94	michael	1860	}
95			else
96			{
97			nuh.nuhmask = s;
98	michael	1858	nuh.nickptr = nick;
99			nuh.userptr = user;
100			nuh.hostptr = host;
101
102	michael	1859	nuh.nicksize = sizeof(nick);
103	michael	1858	nuh.usersize = sizeof(user);
104			nuh.hostsize = sizeof(host);
105
106			split_nuh(&nuh);
107
108	michael	3504	exptr = MyCalloc(sizeof(*exptr));
109	michael	1860	exptr->name = xstrdup(nick);
110	michael	1858	exptr->user = xstrdup(user);
111			exptr->host = xstrdup(host);
112			exptr->type = parse_netmask(host, &exptr->addr, &exptr->bits);
113			dlinkAdd(exptr, &exptr->node, &conf->exempt_list);
114			}
115			}
116			}
117
118	adx	30	return conf;
119			}
120
121	michael	1858	int
122			resv_find_exempt(const struct Client who, const struct MaskItem conf)
123	adx	30	{
124	michael	4815	const dlink_node *node = NULL;
125	adx	30
126	michael	4815	DLINK_FOREACH(node, conf->exempt_list.head)
127	michael	1858	{
128	michael	4815	const struct exempt *exptr = node->data;
129	adx	30
130	michael	4822	if (exptr->country_id)
131	michael	1858	{
132	michael	4822	if (exptr->country_id == who->connection->country_id)
133	michael	1858	return 1;
134			}
135			else if (!match(exptr->name, who->name) && !match(exptr->user, who->username))
136			{
137			switch (exptr->type)
138			{
139			case HM_HOST:
140			if (!match(exptr->host, who->host) \|\| !match(exptr->host, who->sockhost))
141			return 1;
142			break;
143			case HM_IPV4:
144	michael	4588	if (who->connection->aftype == AF_INET)
145			if (match_ipv4(&who->connection->ip, &exptr->addr, exptr->bits))
146	michael	1858	return 1;
147			break;
148			case HM_IPV6:
149	michael	4588	if (who->connection->aftype == AF_INET6)
150			if (match_ipv6(&who->connection->ip, &exptr->addr, exptr->bits))
151	michael	1858	return 1;
152			break;
153			default:
154			assert(0);
155			}
156			}
157			}
158	adx	30
159	michael	1858	return 0;
160	adx	30	}
161
162			/* match_find_resv()
163			*
164			* inputs - pointer to name
165			* output - pointer to a struct ResvChannel
166			* side effects - Finds a reserved channel whose name matches 'name',
167			* if can't find one returns NULL.
168			*/
169	michael	1632	struct MaskItem *
170	adx	30	match_find_resv(const char *name)
171			{
172	michael	4815	dlink_node *node = NULL;
173	adx	30
174			if (EmptyString(name))
175			return NULL;
176
177	michael	4815	DLINK_FOREACH(node, cresv_items.head)
178	adx	30	{
179	michael	4815	struct MaskItem *conf = node->data;
180	adx	30
181	michael	1825	if (!match(conf->name, name))
182	michael	1632	return conf;
183	adx	30	}
184
185			return NULL;
186			}