1 /* 2 * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan 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 "gsskrb5_locl.h" 35 36 OM_uint32 GSSAPI_CALLCONV _gsskrb5_release_cred 37 (OM_uint32 * minor_status, 38 gss_cred_id_t * cred_handle 39 ) 40 { 41 krb5_context context; 42 gsskrb5_cred cred; 43 OM_uint32 junk; 44 45 *minor_status = 0; 46 47 if (*cred_handle == NULL) 48 return GSS_S_COMPLETE; 49 50 cred = (gsskrb5_cred)*cred_handle; 51 *cred_handle = GSS_C_NO_CREDENTIAL; 52 53 GSSAPI_KRB5_INIT (&context); 54 55 HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); 56 57 if (cred->principal != NULL) 58 krb5_free_principal(context, cred->principal); 59 if (cred->keytab != NULL) 60 krb5_kt_close(context, cred->keytab); 61 if (cred->ccache != NULL) { 62 if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE) 63 krb5_cc_destroy(context, cred->ccache); 64 else 65 krb5_cc_close(context, cred->ccache); 66 } 67 gss_release_oid_set(&junk, &cred->mechanisms); 68 if (cred->enctypes) 69 free(cred->enctypes); 70 HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); 71 HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex); 72 memset(cred, 0, sizeof(*cred)); 73 free(cred); 74 return GSS_S_COMPLETE; 75 } 76 77