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