lib/gssapi/krb5/acquire_cred.c

   1 /*
   2  * Copyright (c) 1997 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 "gssapi_locl.h"
  35
  36 RCSID("$Id$");
  37
  38 OM_uint32 gss_acquire_cred
  39            (OM_uint32 * minor_status,
  40             const gss_name_t desired_name,
  41             OM_uint32 time_req,
  42             const gss_OID_set desired_mechs,
  43             gss_cred_usage_t cred_usage,
  44             gss_cred_id_t * output_cred_handle,
  45             gss_OID_set * actual_mechs,
  46             OM_uint32 * time_rec
  47            )
  48 {
  49     gss_cred_id_t handle;
  50     OM_uint32 ret;
  51
  52     handle = (gss_cred_id_t)malloc(sizeof(*handle));
  53     if (handle == GSS_C_NO_CREDENTIAL) {
  54         return GSS_S_FAILURE;
  55     }
  56
  57     ret = gss_duplicate_name(minor_status, desired_name, &handle->principal);
  58     if (ret) {
  59         return ret;
  60     }
  61
  62     /* XXX */
  63     handle->lifetime = time_req;
  64
  65     handle->keytab = NULL;
  66     handle->usage = cred_usage;
  67
  68     ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms);
  69     if (ret) {
  70         return ret;
  71     }
  72     ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
  73                                  &handle->mechanisms);
  74     if (ret) {
  75         return ret;
  76     }
  77
  78     ret = gss_inquire_cred(minor_status, handle, NULL, time_rec, NULL,
  79                            actual_mechs);
  80     if (ret) {
  81         return ret;
  82     }
  83
  84     *output_cred_handle = handle;
  85
  86     return GSS_S_COMPLETE;
  87 }