trunk/src/userhost.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2003-2017 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 userhost.c
 * \brief Global user limits.
 * \version $Id$
 */

#include "list.h"
#include "hash.h"
#include "client.h"
#include "userhost.h"
#include "mempool.h"
#include "irc_string.h"


static mp_pool_t *userhost_pool;


void
userhost_init(void)
{
  userhost_pool = mp_pool_new(sizeof(struct UserHost), MP_CHUNK_SIZE_USERHOST);
}

/* userhost_count()
 *
 * inputs       - user name
 *              - hostname
 *              - int flag 1 if global, 0 if local
 *              - pointer to where global count should go
 *              - pointer to where local count should go
 *              - pointer to where identd count should go (local clients only)
 * output       - none
 * side effects -
 */
void
userhost_count(const char *host, unsigned int *global_p, unsigned int *local_p)
{
  struct UserHost *userhost;

  if ((userhost = hash_find_userhost(host)) == NULL)
    return;

  if (global_p)
    *global_p = userhost->gcount;
  if (local_p)
    *local_p  = userhost->lcount;
}

/* userhost_find_or_add()
 *
 * inputs       - host name
 * output       - none
 * side effects - find UserHost * for given host name
 */
static struct UserHost *
userhost_find_or_add(const char *host)
{
  struct UserHost *userhost;

  if ((userhost = hash_find_userhost(host)))
    return userhost;

  userhost = mp_pool_get(userhost_pool);

  strlcpy(userhost->host, host, sizeof(userhost->host));
  hash_add_userhost(userhost);

  return userhost;
}

/* userhost_add()
 *
 * inputs       - user name
 *              - hostname
 *              - int flag 1 if global, 0 if local
 * output       - none
 * side effects - add given user@host to hash tables
 */
void
userhost_add(const char *host, int global)
{
  struct UserHost *userhost;

  if ((userhost = userhost_find_or_add(host)) == NULL)
    return;

  userhost->gcount++;

  if (!global)
    userhost->lcount++;
}

/* userhost_del()
 *
 * inputs       - user name
 *              - hostname
 *              - int flag 1 if global, 0 if local
 * output       - none
 * side effects - delete given user@host to hash tables
 */
void
userhost_del(const char *host, int global)
{
  struct UserHost *userhost;

  if ((userhost = hash_find_userhost(host)) == NULL)
    return;

  if (userhost->gcount > 0)
    userhost->gcount--;

  if (!global)
    if (userhost->lcount > 0)
      userhost->lcount--;

  if (userhost->gcount == 0 && userhost->lcount == 0)
  {
    hash_del_userhost(userhost);
    mp_pool_release(userhost);
  }
}
Revision:	7924
Committed:	Sat Dec 31 13:57:08 2016 UTC (9 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	3357 byte(s)
Log Message:	- Update copyright years
#	User	Rev	Content
1	michael	6393	/*
2			* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3			*
4	michael	7924	* Copyright (c) 2003-2017 ircd-hybrid development team
5	michael	6393	*
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19			* USA
20			*/
21
22			/*! \file userhost.c
23			* \brief Global user limits.
24			* \version $Id$
25			*/
26
27			#include "list.h"
28			#include "hash.h"
29			#include "client.h"
30			#include "userhost.h"
31			#include "mempool.h"
32			#include "irc_string.h"
33
34
35			static mp_pool_t *userhost_pool;
36
37
38			void
39			userhost_init(void)
40			{
41			userhost_pool = mp_pool_new(sizeof(struct UserHost), MP_CHUNK_SIZE_USERHOST);
42			}
43
44	michael	6441	/* userhost_count()
45	michael	6393	*
46			* inputs - user name
47			* - hostname
48			* - int flag 1 if global, 0 if local
49			* - pointer to where global count should go
50			* - pointer to where local count should go
51			* - pointer to where identd count should go (local clients only)
52			* output - none
53			* side effects -
54			*/
55			void
56	michael	7624	userhost_count(const char host, unsigned int global_p, unsigned int *local_p)
57	michael	6393	{
58	michael	7624	struct UserHost *userhost;
59	michael	6393
60	michael	7624	if ((userhost = hash_find_userhost(host)) == NULL)
61	michael	6393	return;
62
63	michael	7624	if (global_p)
64			*global_p = userhost->gcount;
65			if (local_p)
66			*local_p = userhost->lcount;
67	michael	6393	}
68
69	michael	6441	/* userhost_find_or_add()
70	michael	6393	*
71			* inputs - host name
72			* output - none
73			* side effects - find UserHost * for given host name
74			*/
75			static struct UserHost *
76	michael	6441	userhost_find_or_add(const char *host)
77	michael	6393	{
78	michael	7624	struct UserHost *userhost;
79	michael	6393
80			if ((userhost = hash_find_userhost(host)))
81			return userhost;
82
83			userhost = mp_pool_get(userhost_pool);
84
85			strlcpy(userhost->host, host, sizeof(userhost->host));
86			hash_add_userhost(userhost);
87
88			return userhost;
89			}
90
91	michael	6441	/* userhost_add()
92	michael	6393	*
93			* inputs - user name
94			* - hostname
95			* - int flag 1 if global, 0 if local
96			* output - none
97			* side effects - add given user@host to hash tables
98			*/
99			void
100	michael	7624	userhost_add(const char *host, int global)
101	michael	6393	{
102	michael	7624	struct UserHost *userhost;
103	michael	6393
104	michael	7624	if ((userhost = userhost_find_or_add(host)) == NULL)
105	michael	6393	return;
106
107	michael	7624	userhost->gcount++;
108	michael	6393
109			if (!global)
110	michael	7624	userhost->lcount++;
111	michael	6393	}
112
113	michael	6441	/* userhost_del()
114	michael	6393	*
115			* inputs - user name
116			* - hostname
117			* - int flag 1 if global, 0 if local
118			* output - none
119			* side effects - delete given user@host to hash tables
120			*/
121			void
122	michael	7624	userhost_del(const char *host, int global)
123	michael	6393	{
124	michael	7624	struct UserHost *userhost;
125	michael	6393
126	michael	7624	if ((userhost = hash_find_userhost(host)) == NULL)
127	michael	6393	return;
128
129	michael	7624	if (userhost->gcount > 0)
130			userhost->gcount--;
131	michael	6393
132	michael	7624	if (!global)
133			if (userhost->lcount > 0)
134			userhost->lcount--;
135	michael	6393
136	michael	7624	if (userhost->gcount == 0 && userhost->lcount == 0)
137			{
138			hash_del_userhost(userhost);
139			mp_pool_release(userhost);
140	michael	6393	}
141			}