libxdas_api_manage.c

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/*----------------------------------------------------------------------------
 * Copyright (c) 2006, Novell, Inc.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are 
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright 
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the Novell 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 <xdas.h>
#include <xdas_debug.h>

#include "libxdas_impl.h"

#include <stddef.h>
#include <malloc.h>
#include <string.h>

/*---------------------------------------------------------------------------
 */
XDASXPC int XDASAPI xdas_create_filter(
      int * minor_status,
      xdas_audit_ref_t das_ref,
      const char * name,
      unsigned filter_type,
      const char * filter_exp,
      const char * filter_act)
{
   xdas_session * xs;
   int bit_bucket;

   /* check parameters */
   if (!minor_status)
      minor_status = &bit_bucket;
   *minor_status = 0;

   xdas_assert(das_ref != 0);
   if (das_ref == 0)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_DAS_REF;

   xs = xdas_validate_session(das_ref);
   xdas_assert(xs != 0);
   if (xs == 0)
      return XDAS_S_CALL_BAD_STRUCTURE | XDAS_S_INVALID_DAS_REF;

   if (!xdas_session_has_rights(xs, XDAS_AUDIT_SERVICE | XDAS_AUDIT_CONTROL))
      return XDAS_S_AUTHORIZATION_FAILURE;

   xdas_assert(name);
   if (!name)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER;

   xdas_assert(filter_type == XDAS_C_INCLUDE || filter_type == XDAS_C_EXCLUDE);
   if (filter_type != XDAS_C_INCLUDE && filter_type != XDAS_C_EXCLUDE)
      return XDAS_S_INVALID_FILTER_TYPE;

   xdas_assert(filter_exp);
   if (!filter_exp)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER_EXPR;

   xdas_assert(filter_act);
   if (!filter_act)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER_ACTION;

   return xdas_internal_create_filter(minor_status, name, 
         filter_type, filter_exp, filter_act);
}

/*---------------------------------------------------------------------------
 */
XDASXPC int XDASAPI xdas_delete_filter(
      int * minor_status,
      xdas_audit_ref_t das_ref,
      const char * name)
{
   xdas_session * xs;
   int bit_bucket;

   /* check parameters */
   if (!minor_status)
      minor_status = &bit_bucket;
   *minor_status = 0;

   xdas_assert(das_ref != 0);
   if (das_ref == 0)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_DAS_REF;

   xs = xdas_validate_session(das_ref);
   xdas_assert(xs != 0);
   if (xs == 0)
      return XDAS_S_CALL_BAD_STRUCTURE | XDAS_S_INVALID_DAS_REF;

   if (!xdas_session_has_rights(xs, XDAS_AUDIT_SERVICE | XDAS_AUDIT_CONTROL))
      return XDAS_S_AUTHORIZATION_FAILURE;

   xdas_assert(name);
   if (!name)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER;

   return xdas_internal_delete_filter(minor_status, name);
}

/*---------------------------------------------------------------------------
 */
XDASXPC int XDASAPI xdas_disable_filter(
      int * minor_status,
      xdas_audit_ref_t das_ref,
      const char * name)
{
   xdas_session * xs;
   int bit_bucket;

   /* check parameters */
   if (!minor_status)
      minor_status = &bit_bucket;
   *minor_status = 0;

   xdas_assert(das_ref != 0);
   if (das_ref == 0)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_DAS_REF;

   xs = xdas_validate_session(das_ref);
   xdas_assert(xs != 0);
   if (xs == 0)
      return XDAS_S_CALL_BAD_STRUCTURE | XDAS_S_INVALID_DAS_REF;

   if (!xdas_session_has_rights(xs, XDAS_AUDIT_SERVICE | XDAS_AUDIT_CONTROL))
      return XDAS_S_AUTHORIZATION_FAILURE;

   xdas_assert(name);
   if (!name)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER;

   return xdas_internal_enable_filter(minor_status, name, 0);
}

/*---------------------------------------------------------------------------
 */
XDASXPC int XDASAPI xdas_enable_filter(
      int * minor_status,
      xdas_audit_ref_t das_ref,
      const char * name)
{
   xdas_session * xs;
   int bit_bucket;

   /* check parameters */
   if (!minor_status)
      minor_status = &bit_bucket;
   *minor_status = 0;

   xdas_assert(das_ref != 0);
   if (das_ref == 0)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_DAS_REF;

   xs = xdas_validate_session(das_ref);
   xdas_assert(xs != 0);
   if (xs == 0)
      return XDAS_S_CALL_BAD_STRUCTURE | XDAS_S_INVALID_DAS_REF;

   if (!xdas_session_has_rights(xs, XDAS_AUDIT_SERVICE | XDAS_AUDIT_CONTROL))
      return XDAS_S_AUTHORIZATION_FAILURE;

   xdas_assert(name);
   if (!name)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER;

   return xdas_internal_enable_filter(minor_status, name, 1);
}

/*---------------------------------------------------------------------------
 */
XDASXPC int XDASAPI xdas_get_filter(
      int * minor_status,
      xdas_audit_ref_t das_ref,
      const char * name,
      unsigned * filter_type,
      xdas_buffer_t filter_exp,
      xdas_buffer_t filter_act,
      unsigned * filter_status)
{
   xdas_session * xs;
   int bit_bucket;

   /* check parameters */
   if (!minor_status)
      minor_status = &bit_bucket;
   *minor_status = 0;

   xdas_assert(das_ref != 0);
   if (das_ref == 0)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_DAS_REF;

   xs = xdas_validate_session(das_ref);
   xdas_assert(xs != 0);
   if (xs == 0)
      return XDAS_S_CALL_BAD_STRUCTURE | XDAS_S_INVALID_DAS_REF;

   if (!xdas_session_has_rights(xs, XDAS_AUDIT_SERVICE | XDAS_AUDIT_CONTROL))
      return XDAS_S_AUTHORIZATION_FAILURE;

   xdas_assert(name);
   if (!name)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER;

   return xdas_internal_get_filter(minor_status, name, 
         filter_type, filter_exp, filter_act, filter_status);
}

/*---------------------------------------------------------------------------
 */
XDASXPC int XDASAPI xdas_list_filters(
      int * minor_status,
      xdas_audit_ref_t das_ref,
      char ** filter_name_list,
      size_t * buffer_size)
{
   xdas_session * xs;
   int bit_bucket;

   /* check parameters */
   if (!minor_status)
      minor_status = &bit_bucket;
   *minor_status = 0;

   xdas_assert(das_ref != 0);
   if (das_ref == 0)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_DAS_REF;

   xs = xdas_validate_session(das_ref);
   xdas_assert(xs != 0);
   if (xs == 0)
      return XDAS_S_CALL_BAD_STRUCTURE | XDAS_S_INVALID_DAS_REF;

   if (!xdas_session_has_rights(xs, XDAS_AUDIT_SERVICE | XDAS_AUDIT_CONTROL))
      return XDAS_S_AUTHORIZATION_FAILURE;

   /* check buffer and size characteristics */
   xdas_assert(buffer_size);
   xdas_assert(filter_name_list || !*buffer_size);
   if (!buffer_size || !filter_name_list && *buffer_size)
      return XDAS_S_CALL_INACCESSIBLE_READ | XDAS_S_INVALID_FILTER_LIST;

   return xdas_internal_list_filters(minor_status, 
         filter_name_list, buffer_size);
}