1 /* 2 * Copyright (c) 1997-2003 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "krb5/gsskrb5_locl.h" 35 36 RCSID("$Id: release_cred.c 20753 2007-05-31 22:50:06Z lha $"); 37 38 OM_uint32 _gsskrb5_release_cred 39 (OM_uint32 * minor_status, 40 gss_cred_id_t * cred_handle 41 ) 42 { 43 krb5_context context; 44 gsskrb5_cred cred; 45 OM_uint32 junk; 46 47 *minor_status = 0; 48 49 if (*cred_handle == NULL) 50 return GSS_S_COMPLETE; 51 52 cred = (gsskrb5_cred)*cred_handle; 53 *cred_handle = GSS_C_NO_CREDENTIAL; 54 55 GSSAPI_KRB5_INIT (&context); 56 57 HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); 58 59 if (cred->principal != NULL) 60 krb5_free_principal(context, cred->principal); 61 if (cred->keytab != NULL) 62 krb5_kt_close(context, cred->keytab); 63 if (cred->ccache != NULL) { 64 const krb5_cc_ops *ops; 65 ops = krb5_cc_get_ops(context, cred->ccache); 66 if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE) 67 krb5_cc_destroy(context, cred->ccache); 68 else 69 krb5_cc_close(context, cred->ccache); 70 } 71 gss_release_oid_set(&junk, &cred->mechanisms); 72 if (cred->enctypes) 73 free(cred->enctypes); 74 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 75 HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex); 76 memset(cred, 0, sizeof(*cred)); 77 free(cred); 78 return GSS_S_COMPLETE; 79 } 80 81