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. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include "gssapi_locl.h"
  40
  41 RCSID("$Id$");
  42
  43 OM_uint32 gss_acquire_cred
  44            (OM_uint32 * minor_status,
  45             const gss_name_t desired_name,
  46             OM_uint32 time_req,
  47             const gss_OID_set desired_mechs,
  48             gss_cred_usage_t cred_usage,
  49             gss_cred_id_t * output_cred_handle,
  50             gss_OID_set * actual_mechs,
  51             OM_uint32 * time_rec
  52            )
  53 {
  54     gss_cred_id_t handle;
  55     OM_uint32 ret;
  56
  57     handle = (gss_cred_id_t)malloc(sizeof(*handle));
  58     if (handle == GSS_C_NO_CREDENTIAL) {
  59         return GSS_S_FAILURE;
  60     }
  61
  62     ret = gss_duplicate_name(minor_status, desired_name, &handle->principal);
  63     if (ret) {
  64         return ret;
  65     }
  66
  67     /* XXX */
  68     handle->lifetime = time_req;
  69
  70     handle->keytab = NULL;
  71     handle->usage = cred_usage;
  72
  73     ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms);
  74     if (ret) {
  75         return ret;
  76     }
  77     ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
  78                                  &handle->mechanisms);
  79     if (ret) {
  80         return ret;
  81     }
  82
  83     ret = gss_inquire_cred(minor_status, handle, NULL, time_rec, NULL,
  84                            actual_mechs);
  85     if (ret) {
  86         return ret;
  87     }
  88
  89     *output_cred_handle = handle;
  90
  91     return GSS_S_COMPLETE;
  92 }