elemental-ircd/src/privilege.c

120 lines
2.9 KiB
C
Raw Normal View History

2008-08-17 11:27:59 +00:00
/*
* charybdis: an advanced ircd.
* privilege.c: Dynamic privileges API.
*
* Copyright (c) 2008 William Pitcock <nenolod@dereferenced.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdinc.h>
#include "privilege.h"
static rb_dlink_list privilegeset_list = {};
int
privilegeset_in_set(struct PrivilegeSet *set, const char *priv)
{
s_assert(set != NULL);
s_assert(priv != NULL);
return strstr(set->privs, priv) != NULL;
}
struct PrivilegeSet *
privilegeset_set_new(const char *name, const char *privs, PrivilegeFlags flags)
{
struct PrivilegeSet *set;
2008-08-17 11:35:49 +00:00
s_assert(privilegeset_get(name) == NULL);
2008-08-17 11:27:59 +00:00
set = rb_malloc(sizeof(struct PrivilegeSet));
set->refs = 1;
set->name = rb_strdup(name);
set->privs = rb_strdup(privs);
set->flags = flags;
rb_dlinkAdd(set, &set->node, &privilegeset_list);
return set;
}
2008-08-17 11:35:49 +00:00
struct PrivilegeSet *
privilegeset_extend(struct PrivilegeSet *parent, const char *name, const char *privs, PrivilegeFlags flags)
{
struct PrivilegeSet *set;
s_assert(parent != NULL);
s_assert(name != NULL);
s_assert(privs != NULL);
s_assert(privilegeset_get(name) == NULL);
set = rb_malloc(sizeof(struct PrivilegeSet));
set->refs = 1;
set->name = rb_strdup(name);
set->flags = flags;
set->privs = rb_malloc(strlen(parent->privs) + 1 + strlen(privs) + 1);
strcpy(parent->privs, set->privs);
strcat(set->privs, " ");
strcat(set->privs, privs);
rb_dlinkAdd(set, &set->node, &privilegeset_list);
2008-08-17 11:35:49 +00:00
return set;
}
2008-08-17 11:27:59 +00:00
struct PrivilegeSet *
privilegeset_get(const char *name)
{
rb_dlink_node *iter;
s_assert(name != NULL);
RB_DLINK_FOREACH(iter, privilegeset_list.head)
{
struct PrivilegeSet *set = (struct PrivilegeSet *) iter->data;
if (!strcasecmp(set->name, name))
return set;
}
return NULL;
}
void
privilegeset_ref(struct PrivilegeSet *set)
{
s_assert(set != NULL);
set->refs++;
}
void
privilegeset_unref(struct PrivilegeSet *set)
{
s_assert(set != NULL);
if (--set->refs == 0)
{
rb_dlinkDelete(&set->node, &privilegeset_list);
rb_free(set->name);
rb_free(set->privs);
rb_free(set);
}
}