mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 2005, PADL Software Pty Ltd.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of PADL Software nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``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 PADL SOFTWARE OR CONTRIBUTORS 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 "kcm_locl.h"
|
|
|
|
RCSID("$Id: cursor.c 17447 2006-05-05 10:52:01Z lha $");
|
|
|
|
krb5_error_code
|
|
kcm_cursor_new(krb5_context context,
|
|
pid_t pid,
|
|
kcm_ccache ccache,
|
|
uint32_t *cursor)
|
|
{
|
|
kcm_cursor **p;
|
|
krb5_error_code ret;
|
|
|
|
*cursor = 0;
|
|
|
|
KCM_ASSERT_VALID(ccache);
|
|
|
|
HEIMDAL_MUTEX_lock(&ccache->mutex);
|
|
for (p = &ccache->cursors; *p != NULL; p = &(*p)->next)
|
|
;
|
|
|
|
*p = (kcm_cursor *)malloc(sizeof(kcm_cursor));
|
|
if (*p == NULL) {
|
|
ret = KRB5_CC_NOMEM;
|
|
goto out;
|
|
}
|
|
|
|
(*p)->pid = pid;
|
|
(*p)->key = ++ccache->n_cursor;
|
|
(*p)->credp = ccache->creds;
|
|
(*p)->next = NULL;
|
|
|
|
*cursor = (*p)->key;
|
|
|
|
ret = 0;
|
|
|
|
out:
|
|
HEIMDAL_MUTEX_unlock(&ccache->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
krb5_error_code
|
|
kcm_cursor_find(krb5_context context,
|
|
pid_t pid,
|
|
kcm_ccache ccache,
|
|
uint32_t key,
|
|
kcm_cursor **cursor)
|
|
{
|
|
kcm_cursor *p;
|
|
krb5_error_code ret;
|
|
|
|
KCM_ASSERT_VALID(ccache);
|
|
|
|
if (key == 0)
|
|
return KRB5_CC_NOTFOUND;
|
|
|
|
ret = KRB5_CC_END;
|
|
|
|
HEIMDAL_MUTEX_lock(&ccache->mutex);
|
|
|
|
for (p = ccache->cursors; p != NULL; p = p->next) {
|
|
if (p->key == key) {
|
|
if (p->pid != pid)
|
|
ret = KRB5_FCC_PERM;
|
|
else
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ret == 0)
|
|
*cursor = p;
|
|
|
|
HEIMDAL_MUTEX_unlock(&ccache->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
krb5_error_code
|
|
kcm_cursor_delete(krb5_context context,
|
|
pid_t pid,
|
|
kcm_ccache ccache,
|
|
uint32_t key)
|
|
{
|
|
kcm_cursor **p;
|
|
krb5_error_code ret;
|
|
|
|
KCM_ASSERT_VALID(ccache);
|
|
|
|
if (key == 0)
|
|
return KRB5_CC_NOTFOUND;
|
|
|
|
ret = KRB5_CC_END;
|
|
|
|
HEIMDAL_MUTEX_lock(&ccache->mutex);
|
|
|
|
for (p = &ccache->cursors; *p != NULL; p = &(*p)->next) {
|
|
if ((*p)->key == key) {
|
|
if ((*p)->pid != pid)
|
|
ret = KRB5_FCC_PERM;
|
|
else
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ret == 0) {
|
|
kcm_cursor *x = *p;
|
|
|
|
*p = x->next;
|
|
free(x);
|
|
}
|
|
|
|
HEIMDAL_MUTEX_unlock(&ccache->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|