lib/gssapi/krb5/inquire_cred_by_oid.c

   1 /*
   2  * Copyright (c) 2004, PADL Software Pty Ltd.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. Neither the name of PADL Software nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include "gsskrb5_locl.h"
  34
  35 OM_uint32 _gsskrb5_inquire_cred_by_oid
  36            (OM_uint32 * minor_status,
  37             const gss_cred_id_t cred_handle,
  38             const gss_OID desired_object,
  39             gss_buffer_set_t *data_set)
  40 {
  41     krb5_context context;
  42     gsskrb5_cred cred = (gsskrb5_cred)cred_handle;
  43     krb5_error_code ret;
  44     gss_buffer_desc buffer;
  45     char *str;
  46
  47     GSSAPI_KRB5_INIT (&context);
  48
  49     if (gss_oid_equal(desired_object, GSS_KRB5_COPY_CCACHE_X) == 0) {
  50         *minor_status = EINVAL;
  51         return GSS_S_FAILURE;
  52     }
  53
  54     HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
  55
  56     if (cred->ccache == NULL) {
  57         HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
  58         *minor_status = EINVAL;
  59         return GSS_S_FAILURE;
  60     }
  61
  62     ret = krb5_cc_get_full_name(context, cred->ccache, &str);
  63     HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
  64     if (ret) {
  65         *minor_status = ret;
  66         return GSS_S_FAILURE;
  67     }
  68
  69     buffer.value = str;
  70     buffer.length = strlen(str);
  71
  72     ret = gss_add_buffer_set_member(minor_status, &buffer, data_set);
  73     if (ret != GSS_S_COMPLETE)
  74         _gsskrb5_clear_status ();
  75
  76     free(str);
  77
  78     *minor_status = 0;
  79     return GSS_S_COMPLETE;
  80 }
  81