crypto/external/bsd/heimdal/dist/lib/gssapi/ntlm/acquire_cred.c

   1 /*      $NetBSD: acquire_cred.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $      */
   2
   3 /*
   4  * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "ntlm.h"
  37
  38 OM_uint32 GSSAPI_CALLCONV _gss_ntlm_acquire_cred
  39            (OM_uint32 * min_stat,
  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     ntlm_name name = (ntlm_name) desired_name;
  50     OM_uint32 maj_stat;
  51     ntlm_ctx ctx;
  52
  53     *min_stat = 0;
  54     *output_cred_handle = GSS_C_NO_CREDENTIAL;
  55     if (actual_mechs)
  56         *actual_mechs = GSS_C_NO_OID_SET;
  57     if (time_rec)
  58         *time_rec = GSS_C_INDEFINITE;
  59
  60     if (desired_name == NULL)
  61         return GSS_S_NO_CRED;
  62
  63     if (cred_usage == GSS_C_BOTH || cred_usage == GSS_C_ACCEPT) {
  64
  65         maj_stat = _gss_ntlm_allocate_ctx(min_stat, &ctx);
  66         if (maj_stat != GSS_S_COMPLETE)
  67             return maj_stat;
  68
  69         maj_stat = (*ctx->server->nsi_probe)(min_stat, ctx->ictx,
  70                                              name->domain);
  71         {
  72             gss_ctx_id_t context = (gss_ctx_id_t)ctx;
  73             OM_uint32 junk;
  74             _gss_ntlm_delete_sec_context(&junk, &context, NULL);
  75         }
  76         if (maj_stat)
  77             return maj_stat;
  78     }
  79     if (cred_usage == GSS_C_BOTH || cred_usage == GSS_C_INITIATE) {
  80         ntlm_cred cred;
  81
  82         *min_stat = _gss_ntlm_get_user_cred(name, &cred);
  83         if (*min_stat)
  84             return GSS_S_FAILURE;
  85         cred->usage = cred_usage;
  86
  87         *output_cred_handle = (gss_cred_id_t)cred;
  88     }
  89
  90     return (GSS_S_COMPLETE);
  91 }