source4/heimdal/lib/gssapi/copy_ccache.c

   1 /*
   2  * Copyright (c) 2000 - 2001, 2003 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: copy_ccache.c,v 1.7 2003/09/01 15:11:09 lha Exp $");
  37
  38 OM_uint32
  39 gss_krb5_copy_ccache(OM_uint32 *minor_status,
  40                      gss_cred_id_t cred,
  41                      krb5_ccache out)
  42 {
  43     krb5_error_code kret;
  44
  45     HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
  46
  47     if (cred->ccache == NULL) {
  48         HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
  49         *minor_status = EINVAL;
  50         return GSS_S_FAILURE;
  51     }
  52
  53     kret = krb5_cc_copy_cache(gssapi_krb5_context, cred->ccache, out);
  54     HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
  55     if (kret) {
  56         *minor_status = kret;
  57         gssapi_krb5_set_error_string ();
  58         return GSS_S_FAILURE;
  59     }
  60     *minor_status = 0;
  61     return GSS_S_COMPLETE;
  62 }
  63
  64 OM_uint32
  65 gsskrb5_extract_authz_data_from_sec_context(OM_uint32 *minor_status,
  66                                             gss_ctx_id_t context_handle,
  67                                             int ad_type,
  68                                             gss_buffer_t ad_data)
  69 {
  70     krb5_error_code ret;
  71     krb5_data data;
  72
  73     ad_data->value = NULL;
  74     ad_data->length = 0;
  75
  76     HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);
  77     if (context_handle->ticket == NULL) {
  78         HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
  79         *minor_status = EINVAL;
  80         return GSS_S_FAILURE;
  81     }
  82
  83     ret = krb5_ticket_get_authorization_data_type(gssapi_krb5_context,
  84                                                   context_handle->ticket,
  85                                                   ad_type,
  86                                                   &data);
  87     HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
  88     if (ret) {
  89         *minor_status = ret;
  90         return GSS_S_FAILURE;
  91     }
  92
  93     ad_data->value = malloc(data.length);
  94     if (ad_data->value == NULL) {
  95         krb5_data_free(&data);
  96         *minor_status = ENOMEM;
  97         return GSS_S_FAILURE;
  98     }
  99
 100     ad_data->length = data.length;
 101     memcpy(ad_data->value, data.data, ad_data->length);
 102     krb5_data_free(&data);
 103
 104     *minor_status = 0;
 105     return GSS_S_COMPLETE;
 106 }
 107
 108 OM_uint32 gss_krb5_copy_service_keyblock
 109         (OM_uint32 *minor_status,
 110          gss_ctx_id_t context_handle,
 111          struct EncryptionKey **out)
 112 {
 113     krb5_error_code ret;
 114
 115     HEIMDAL_MUTEX_lock(&context_handle->ctx_id_mutex);
 116     if (context_handle->service_keyblock == NULL) {
 117         HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
 118         *minor_status = EINVAL;
 119         return GSS_S_FAILURE;
 120     }
 121
 122     ret = krb5_copy_keyblock(gssapi_krb5_context,
 123                              context_handle->service_keyblock,
 124                              out);
 125
 126     HEIMDAL_MUTEX_unlock(&context_handle->ctx_id_mutex);
 127     if (ret) {
 128         *minor_status = ret;
 129         return GSS_S_FAILURE;
 130     }
 131
 132     *minor_status = 0;
 133     return GSS_S_COMPLETE;
 134 }