652da91adb
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17447 ec53bebd-3082-4978-b11e-865c3cabbd6b
152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/*
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* Copyright (c) 2005, PADL Software Pty Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of PADL Software nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kcm_locl.h"
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RCSID("$Id$");
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krb5_error_code
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kcm_cursor_new(krb5_context context,
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pid_t pid,
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kcm_ccache ccache,
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uint32_t *cursor)
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{
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kcm_cursor **p;
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krb5_error_code ret;
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*cursor = 0;
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KCM_ASSERT_VALID(ccache);
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HEIMDAL_MUTEX_lock(&ccache->mutex);
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for (p = &ccache->cursors; *p != NULL; p = &(*p)->next)
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;
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*p = (kcm_cursor *)malloc(sizeof(kcm_cursor));
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if (*p == NULL) {
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ret = KRB5_CC_NOMEM;
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goto out;
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}
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(*p)->pid = pid;
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(*p)->key = ++ccache->n_cursor;
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(*p)->credp = ccache->creds;
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(*p)->next = NULL;
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*cursor = (*p)->key;
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ret = 0;
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out:
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HEIMDAL_MUTEX_unlock(&ccache->mutex);
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return ret;
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}
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krb5_error_code
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kcm_cursor_find(krb5_context context,
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pid_t pid,
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kcm_ccache ccache,
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uint32_t key,
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kcm_cursor **cursor)
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{
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kcm_cursor *p;
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krb5_error_code ret;
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KCM_ASSERT_VALID(ccache);
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if (key == 0)
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return KRB5_CC_NOTFOUND;
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ret = KRB5_CC_END;
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HEIMDAL_MUTEX_lock(&ccache->mutex);
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for (p = ccache->cursors; p != NULL; p = p->next) {
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if (p->key == key) {
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if (p->pid != pid)
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ret = KRB5_FCC_PERM;
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else
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ret = 0;
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break;
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}
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}
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if (ret == 0)
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*cursor = p;
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HEIMDAL_MUTEX_unlock(&ccache->mutex);
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return ret;
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}
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krb5_error_code
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kcm_cursor_delete(krb5_context context,
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pid_t pid,
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kcm_ccache ccache,
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uint32_t key)
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{
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kcm_cursor **p;
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krb5_error_code ret;
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KCM_ASSERT_VALID(ccache);
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if (key == 0)
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return KRB5_CC_NOTFOUND;
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ret = KRB5_CC_END;
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HEIMDAL_MUTEX_lock(&ccache->mutex);
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for (p = &ccache->cursors; *p != NULL; p = &(*p)->next) {
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if ((*p)->key == key) {
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if ((*p)->pid != pid)
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ret = KRB5_FCC_PERM;
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else
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ret = 0;
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break;
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}
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}
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if (ret == 0) {
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kcm_cursor *x = *p;
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*p = x->next;
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free(x);
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}
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HEIMDAL_MUTEX_unlock(&ccache->mutex);
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return ret;
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}
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