text: /*
   * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska Högskolan
   * (Royal Institute of Technology, Stockholm, Sweden).
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * 3. Neither the name of the Institute nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include "gsskrb5_locl.h"
  
  #if 0
  OM_uint32
  gss_krb5_copy_ccache(OM_uint32 *minor_status,
  		     krb5_context context,
  		     gss_cred_id_t cred,
  		     krb5_ccache out)
  {
      krb5_error_code kret;
  
      HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
  
      if (cred->ccache == NULL) {
  	HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
  	*minor_status = EINVAL;
  	return GSS_S_FAILURE;
      }
  
      kret = krb5_cc_copy_cache(context, cred->ccache, out);
      HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
      if (kret) {
  	*minor_status = kret;
  	return GSS_S_FAILURE;
      }
      *minor_status = 0;
      return GSS_S_COMPLETE;
  }
  #endif
  
  
  OM_uint32
  _gsskrb5_krb5_import_cred(OM_uint32 *minor_status,
  			  krb5_ccache id,
  			  krb5_principal keytab_principal,
  			  krb5_keytab keytab,
  			  gss_cred_id_t *cred)
  {
      krb5_context context;
      krb5_error_code kret;
      gsskrb5_cred handle;
      OM_uint32 ret;
  
      *cred = NULL;
  
      GSSAPI_KRB5_INIT (&context);
  
      handle = calloc(1, sizeof(*handle));
      if (handle == NULL) {
  	_gsskrb5_clear_status ();
  	*minor_status = ENOMEM;
          return (GSS_S_FAILURE);
      }
      HEIMDAL_MUTEX_init(&handle->cred_id_mutex);
  
      handle->usage = 0;
  
      if (id) {
  	char *str;
  
  	handle->usage |= GSS_C_INITIATE;
  
  	kret = krb5_cc_get_principal(context, id,
  				     &handle->principal);
  	if (kret) {
  	    free(handle);
  	    *minor_status = kret;
  	    return GSS_S_FAILURE;
  	}
  
  	if (keytab_principal) {
  	    krb5_boolean match;
  
  	    match = krb5_principal_compare(context,
  					   handle->principal,
  					   keytab_principal);
  	    if (match == FALSE) {
  		krb5_free_principal(context, handle->principal);
  		free(handle);
  		_gsskrb5_clear_status ();
  		*minor_status = EINVAL;
  		return GSS_S_FAILURE;
  	    }
  	}
  
  	ret = __gsskrb5_ccache_lifetime(minor_status,
  					context,
  					id,
  					handle->principal,
  					&handle->lifetime);
  	if (ret != GSS_S_COMPLETE) {
  	    krb5_free_principal(context, handle->principal);
  	    free(handle);
  	    return ret;
  	}
  
  
  	kret = krb5_cc_get_full_name(context, id, &str);
  	if (kret)
  	    goto out;
  
  	kret = krb5_cc_resolve(context, str, &handle->ccache);
  	free(str);
  	if (kret)
  	    goto out;
      }
  
  
      if (keytab) {
  	char *str;
  
  	handle->usage |= GSS_C_ACCEPT;
  
  	if (keytab_principal && handle->principal == NULL) {
  	    kret = krb5_copy_principal(context,
  				       keytab_principal,
  				       &handle->principal);
  	    if (kret)
  		goto out;
  	}
  
  	kret = krb5_kt_get_full_name(context, keytab, &str);
  	if (kret)
  	    goto out;
  
  	kret = krb5_kt_resolve(context, str, &handle->keytab);
  	free(str);
  	if (kret)
  	    goto out;
      }
  
  
      if (id || keytab) {
  	ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms);
  	if (ret == GSS_S_COMPLETE)
  	    ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
  					 &handle->mechanisms);
  	if (ret != GSS_S_COMPLETE) {
  	    kret = *minor_status;
  	    goto out;
  	}
      }
  
      *minor_status = 0;
      *cred = (gss_cred_id_t)handle;
      return GSS_S_COMPLETE;
  
  out:
      gss_release_oid_set(minor_status, &handle->mechanisms);
      if (handle->ccache)
  	krb5_cc_close(context, handle->ccache);
      if (handle->keytab)
  	krb5_kt_close(context, handle->keytab);
      if (handle->principal)
  	krb5_free_principal(context, handle->principal);
      HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
      free(handle);
      *minor_status = kret;
      return GSS_S_FAILURE;
  }
  