mech_eap/add_cred_with_password.c

   1 /*
   2  * Copyright (c) 2011, JANET(UK)
   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 JANET(UK) 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21  * AND 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 THE COPYRIGHT HOLDER 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 /*
  34  * Wrapper for acquiring a credential handle using a password.
  35  */
  36
  37 #include "gssapiP_eap.h"
  38
  39 OM_uint32 GSSAPI_CALLCONV
  40 gss_add_cred_with_password(OM_uint32 *minor,
  41 #ifdef HAVE_HEIMDAL_VERSION
  42                            gss_const_cred_id_t input_cred_handle GSSEAP_UNUSED,
  43                            gss_const_name_t desired_name,
  44 #else
  45                            const gss_cred_id_t input_cred_handle GSSEAP_UNUSED,
  46                            const gss_name_t desired_name,
  47 #endif
  48                            const gss_OID desired_mech,
  49                            const gss_buffer_t password,
  50                            gss_cred_usage_t cred_usage,
  51                            OM_uint32 initiator_time_req,
  52                            OM_uint32 acceptor_time_req,
  53                            gss_cred_id_t *output_cred_handle,
  54                            gss_OID_set *actual_mechs,
  55                            OM_uint32 *initiator_time_rec,
  56                            OM_uint32 *acceptor_time_rec)
  57 {
  58     OM_uint32 major, tmpMinor;
  59     OM_uint32 time_req, time_rec = 0;
  60     gss_OID_set_desc mechs;
  61
  62     *minor = 0;
  63     *output_cred_handle = GSS_C_NO_CREDENTIAL;
  64
  65     if (cred_usage == GSS_C_ACCEPT)
  66         time_req = acceptor_time_req;
  67     else
  68         time_req = initiator_time_req;
  69
  70     mechs.count = 1;
  71     mechs.elements = desired_mech;
  72
  73     major = gssEapAcquireCred(minor,
  74                               desired_name,
  75                               time_req,
  76                               &mechs,
  77                               cred_usage,
  78                               output_cred_handle,
  79                               actual_mechs,
  80                               &time_rec);
  81     if (GSS_ERROR(major))
  82         goto cleanup;
  83
  84     major = gssEapSetCredPassword(minor, *output_cred_handle, password);
  85     if (GSS_ERROR(major))
  86         goto cleanup;
  87
  88     if (initiator_time_rec != NULL)
  89         *initiator_time_rec = time_rec;
  90     if (acceptor_time_rec != NULL)
  91         *acceptor_time_rec = time_rec;
  92
  93 cleanup:
  94     if (GSS_ERROR(major))
  95         gssEapReleaseCred(&tmpMinor, output_cred_handle);
  96
  97     return major;
  98 }