usr/src/lib/libgss/g_rel_cred.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 /*
  26  *  glue routine for gss_release_cred
  27  */
  28
  29 #include <mechglueP.h>
  30 #include "gssapiP_generic.h"
  31 #include <stdio.h>
  32 #ifdef HAVE_STDLIB_H
  33 #include <stdlib.h>
  34 #endif
  35
  36 OM_uint32
  37 gss_release_cred(minor_status,
  38                         cred_handle)
  39
  40 OM_uint32               *minor_status;
  41 gss_cred_id_t           *cred_handle;
  42
  43 {
  44         OM_uint32               status, temp_status;
  45         int                     j;
  46         gss_union_cred_t        union_cred;
  47         gss_mechanism           mech;
  48
  49         if (minor_status == NULL)
  50                 return (GSS_S_CALL_INACCESSIBLE_WRITE);
  51
  52         *minor_status = 0;
  53
  54         if (cred_handle == NULL)
  55                 return (GSS_S_NO_CRED | GSS_S_CALL_INACCESSIBLE_READ);
  56
  57         /*
  58          * Loop through the union_cred struct, selecting the approprate
  59          * underlying mechanism routine and calling it. At the end,
  60          * release all of the storage taken by the union_cred struct.
  61          */
  62
  63         union_cred = (gss_union_cred_t)*cred_handle;
  64         if (union_cred == (gss_union_cred_t)GSS_C_NO_CREDENTIAL)
  65                 return (GSS_S_COMPLETE);
  66
  67         if (GSSINT_CHK_LOOP(union_cred))
  68                 return (GSS_S_NO_CRED | GSS_S_CALL_INACCESSIBLE_READ);
  69
  70         *cred_handle = NULL;
  71
  72         status = GSS_S_COMPLETE;
  73
  74         for (j = 0; j < union_cred->count; j++) {
  75
  76                 mech = __gss_get_mechanism(&union_cred->mechs_array[j]);
  77
  78                 if (union_cred->mechs_array[j].elements)
  79                         free(union_cred->mechs_array[j].elements);
  80                 if (mech) {
  81                         if (mech->gss_release_cred) {
  82                                 temp_status = mech->gss_release_cred
  83                                                 (mech->context, minor_status,
  84                                                 &union_cred->cred_array[j]);
  85
  86                                 if (temp_status != GSS_S_COMPLETE) {
  87                                         map_error(minor_status, mech);
  88                                         status = GSS_S_NO_CRED;
  89                                 }
  90                         } else
  91                                 status = GSS_S_UNAVAILABLE;
  92                 } else
  93                         status = GSS_S_DEFECTIVE_CREDENTIAL;
  94         }
  95
  96         (void) gss_release_buffer(minor_status, &union_cred->auxinfo.name);
  97         free(union_cred->cred_array);
  98         free(union_cred->mechs_array);
  99         free(union_cred);
 100
 101         return (status);
 102 }