/src/libesedb/libesedb/libesedb_page_header.c

Source
/*
 * Page header functions
 *
 * Copyright (C) 2009-2025, Joachim Metz <joachim.metz@gmail.com>
 *
 * Refer to AUTHORS for acknowledgements.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <common.h>
#include <byte_stream.h>
#include <memory.h>
#include <types.h>

#include "libesedb_debug.h"
#include "libesedb_definitions.h"
#include "libesedb_io_handle.h"
#include "libesedb_libcerror.h"
#include "libesedb_libcnotify.h"
#include "libesedb_page_header.h"

#include "esedb_page.h"

/* Creates a page header
 * Make sure the value page_header is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libesedb_page_header_initialize(
     libesedb_page_header_t **page_header,
     libcerror_error_t **error )
{
  static char *function = "libesedb_page_header_initialize";

  if( page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid page header.",
     function );

    return( -1 );
  }
  if( *page_header != NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
     "%s: invalid page header value already set.",
     function );

    return( -1 );
  }
  *page_header = memory_allocate_structure(
                  libesedb_page_header_t );

  if( *page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create page header.",
     function );

    goto on_error;
  }
  if( memory_set(
       *page_header,
       0,
       sizeof( libesedb_page_header_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear page header.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( *page_header != NULL )
  {
    memory_free(
     *page_header );

    *page_header = NULL;
  }
  return( -1 );
}

/* Frees a page header
 * Returns 1 if successful or -1 on error
 */
int libesedb_page_header_free(
     libesedb_page_header_t **page_header,
     libcerror_error_t **error )
{
  static char *function = "libesedb_page_header_free";

  if( page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid page header.",
     function );

    return( -1 );
  }
  if( *page_header != NULL )
  {
    memory_free(
     *page_header );

    *page_header = NULL;
  }
  return( 1 );
}

/* Reads a page header
 * Returns 1 if successful or -1 on error
 */
int libesedb_page_header_read_data(
     libesedb_page_header_t *page_header,
     libesedb_io_handle_t *io_handle,
     const uint8_t *data,
     size_t data_size,
     libcerror_error_t **error )
{
  static char *function        = "libesedb_page_header_read_data";
  size_t data_offset           = 0;
  size_t minimum_data_size     = 0;
  uint16_t available_data_size = 0;
  uint8_t has_extended_header  = 0;

#if defined( HAVE_DEBUG_OUTPUT )
  uint64_t value_64bit         = 0;
  uint16_t value_16bit         = 0;
#endif

  if( page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid page header.",
     function );

    return( -1 );
  }
  if( io_handle == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid IO handle.",
     function );

    return( -1 );
  }
  if( data == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid data.",
     function );

    return( -1 );
  }
  minimum_data_size = sizeof( esedb_page_header_t );

  if( ( io_handle->format_revision >= LIBESEDB_FORMAT_REVISION_EXTENDED_PAGE_HEADER )
   && ( io_handle->page_size >= 16384 ) )
  {
    minimum_data_size  += sizeof( esedb_extended_page_header_t );
    has_extended_header = 1;
  }
  if( ( data_size < minimum_data_size )
   || ( data_size > (size_t) SSIZE_MAX ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid data size value out of bounds.",
     function );

    return( -1 );
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: page header:\n",
     function );
    libcnotify_print_data(
     data,
     sizeof( esedb_page_header_t ),
     LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
  }
#endif
  byte_stream_copy_to_uint16_little_endian(
   ( (esedb_page_header_t *) data )->available_data_size,
   available_data_size );

  byte_stream_copy_to_uint32_little_endian(
   ( (esedb_page_header_t *) data )->previous_page,
   page_header->previous_page_number );
  byte_stream_copy_to_uint32_little_endian(
   ( (esedb_page_header_t *) data )->next_page,
   page_header->next_page_number );
  byte_stream_copy_to_uint32_little_endian(
   ( (esedb_page_header_t *) data )->father_data_page_object_identifier,
   page_header->father_data_page_object_identifier );

  byte_stream_copy_to_uint16_little_endian(
   ( (esedb_page_header_t *) data )->available_page_tag,
   page_header->available_page_tag );

  byte_stream_copy_to_uint32_little_endian(
   ( (esedb_page_header_t *) data )->page_flags,
   page_header->flags );

  /* Make sure to read after the page flags
   */
  if( has_extended_header != 0 )
  {
/* TODO store checksum into page header */
  }
  else
  {
    byte_stream_copy_to_uint32_little_endian(
     ( (esedb_page_header_t *) data )->xor_checksum,
     page_header->xor32_checksum );

    if( ( io_handle->format_revision >= LIBESEDB_FORMAT_REVISION_NEW_RECORD_FORMAT )
     && ( ( page_header->flags & LIBESEDB_PAGE_FLAG_IS_NEW_RECORD_FORMAT ) != 0 ) )
    {
      byte_stream_copy_to_uint32_little_endian(
       ( (esedb_page_header_t *) data )->ecc_checksum,
       page_header->ecc32_checksum );
    }
    else
    {
      byte_stream_copy_to_uint32_little_endian(
       ( (esedb_page_header_t *) data )->page_number,
       page_header->page_number );
    }
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    if( has_extended_header != 0 )
    {
/* TODO print checksum from page header */

      byte_stream_copy_to_uint64_little_endian(
       data,
       value_64bit );
      libcnotify_printf(
       "%s: checksum\t\t\t\t\t: 0x%08" PRIx64 "\n",
       function,
       value_64bit );
    }
    else
    {
      libcnotify_printf(
       "%s: XOR checksum\t\t\t\t\t: 0x%08" PRIx32 "\n",
       function,
       page_header->xor32_checksum );

      if( ( io_handle->format_revision >= LIBESEDB_FORMAT_REVISION_NEW_RECORD_FORMAT )
       && ( ( page_header->flags & LIBESEDB_PAGE_FLAG_IS_NEW_RECORD_FORMAT ) != 0 ) )
      {
        libcnotify_printf(
         "%s: ECC checksum\t\t\t\t\t: 0x%08" PRIx32 "\n",
         function,
         page_header->ecc32_checksum );
      }
      else
      {
        libcnotify_printf(
         "%s: page number\t\t\t\t\t: %" PRIu32 "\n",
         function,
         page_header->page_number );
      }
    }
    libcnotify_printf(
     "%s: database modification time:\n",
     function );
    libcnotify_print_data(
     ( (esedb_page_header_t *) data )->database_modification_time,
     8,
     0 );

    libcnotify_printf(
     "%s: previous page number\t\t\t\t: %" PRIu32 "\n",
     function,
     page_header->previous_page_number );

    libcnotify_printf(
     "%s: next page number\t\t\t\t: %" PRIu32 "\n",
     function,
     page_header->next_page_number );

    libcnotify_printf(
     "%s: father data page (FDP) object identifier\t: %" PRIu32 "\n",
     function,
     page_header->father_data_page_object_identifier );

    libcnotify_printf(
     "%s: available data size\t\t\t\t: %" PRIu32 "\n",
     function,
     available_data_size );

    byte_stream_copy_to_uint16_little_endian(
     ( (esedb_page_header_t *) data )->available_uncommitted_data_size,
     value_16bit );
    libcnotify_printf(
     "%s: available uncommitted data size\t\t\t: %" PRIu16 "\n",
     function,
     value_16bit );

    byte_stream_copy_to_uint16_little_endian(
     ( (esedb_page_header_t *) data )->available_data_offset,
     value_16bit );
    libcnotify_printf(
     "%s: available data offset\t\t\t\t: %" PRIu16 "\n",
     function,
     value_16bit );

    libcnotify_printf(
     "%s: available page tag\t\t\t\t: %" PRIu32 "\n",
     function,
     page_header->available_page_tag );

    libcnotify_printf(
     "%s: page flags\t\t\t\t\t: 0x%08" PRIx32 "\n",
     function,
     page_header->flags );
    libesedb_debug_print_page_flags(
     page_header->flags );
    libcnotify_printf(
     "\n" );
  }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

  data_offset = sizeof( esedb_page_header_t );

  if( has_extended_header != 0 )
  {
#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      libcnotify_printf(
       "%s: extended page header:\n",
       function );
      libcnotify_print_data(
       &( data[ data_offset ] ),
       40,
       LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
    }
#endif
#if defined( HAVE_DEBUG_OUTPUT )
    if( libcnotify_verbose != 0 )
    {
      byte_stream_copy_to_uint64_little_endian(
       ( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->checksum1,
       value_64bit );
      libcnotify_printf(
       "%s: checksum1\t\t\t\t\t: 0x%08" PRIx64 "\n",
       function,
       value_64bit );

      byte_stream_copy_to_uint64_little_endian(
       ( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->checksum2,
       value_64bit );
      libcnotify_printf(
       "%s: checksum2\t\t\t\t\t: 0x%08" PRIx64 "\n",
       function,
       value_64bit );

      byte_stream_copy_to_uint64_little_endian(
       ( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->checksum3,
       value_64bit );
      libcnotify_printf(
       "%s: checksum3\t\t\t\t\t: 0x%08" PRIx64 "\n",
       function,
       value_64bit );

      byte_stream_copy_to_uint64_little_endian(
       ( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->page_number,
       value_64bit );
      libcnotify_printf(
       "%s: page number\t\t\t\t\t: %" PRIu64 "\n",
       function,
       value_64bit );

      libcnotify_printf(
       "\n" );
    }
#endif /* defined( HAVE_DEBUG_OUTPUT ) */

    data_offset += sizeof( esedb_extended_page_header_t );
  }
  page_header->data_size = data_offset;

  return( 1 );
}

/* Retrieves the previous page number
 * Returns 1 if successful or -1 on error
 */
int libesedb_page_header_get_previous_page_number(
     libesedb_page_header_t *page_header,
     uint32_t *previous_page_number,
     libcerror_error_t **error )
{
  static char *function = "libesedb_page_header_get_previous_page_number";

  if( page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid page header.",
     function );

    return( -1 );
  }
  if( previous_page_number == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid previous page number.",
     function );

    return( -1 );
  }
  *previous_page_number = page_header->previous_page_number;

  return( 1 );
}

/* Retrieves the next page number
 * Returns 1 if successful or -1 on error
 */
int libesedb_page_header_get_next_page_number(
     libesedb_page_header_t *page_header,
     uint32_t *next_page_number,
     libcerror_error_t **error )
{
  static char *function = "libesedb_page_header_get_next_page_number";

  if( page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid page header.",
     function );

    return( -1 );
  }
  if( next_page_number == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid next page number.",
     function );

    return( -1 );
  }
  *next_page_number = page_header->next_page_number;

  return( 1 );
}

/* Retrieves the father data page object identifier
 * Returns 1 if successful or -1 on error
 */
int libesedb_page_header_get_father_data_page_object_identifier(
     libesedb_page_header_t *page_header,
     uint32_t *father_data_page_object_identifier,
     libcerror_error_t **error )
{
  static char *function = "libesedb_page_header_get_father_data_page_object_identifier";

  if( page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid page header.",
     function );

    return( -1 );
  }
  if( father_data_page_object_identifier == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid father data page object identifier.",
     function );

    return( -1 );
  }
  *father_data_page_object_identifier = page_header->father_data_page_object_identifier;

  return( 1 );
}

/* Retrieves the flags
 * Returns 1 if successful or -1 on error
 */
int libesedb_page_header_get_flags(
     libesedb_page_header_t *page_header,
     uint32_t *flags,
     libcerror_error_t **error )
{
  static char *function = "libesedb_page_header_get_flags";

  if( page_header == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid page header.",
     function );

    return( -1 );
  }
  if( flags == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid flags.",
     function );

    return( -1 );
  }
  *flags = page_header->flags;

  return( 1 );
}


Coverage Report

Created: 2025-12-05 07:13

Line	Count	Source
1		/*
2		* Page header functions
3		*
4		* Copyright (C) 2009-2025, Joachim Metz <joachim.metz@gmail.com>
5		*
6		* Refer to AUTHORS for acknowledgements.
7		*
8		* This program is free software: you can redistribute it and/or modify
9		* it under the terms of the GNU Lesser General Public License as published by
10		* the Free Software Foundation, either version 3 of the License, or
11		* (at your option) any later version.
12		*
13		* This program is distributed in the hope that it will be useful,
14		* but WITHOUT ANY WARRANTY; without even the implied warranty of
15		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16		* GNU General Public License for more details.
17		*
18		* You should have received a copy of the GNU Lesser General Public License
19		* along with this program. If not, see <https://www.gnu.org/licenses/>.
20		*/
21
22		#include <common.h>
23		#include <byte_stream.h>
24		#include <memory.h>
25		#include <types.h>
26
27		#include "libesedb_debug.h"
28		#include "libesedb_definitions.h"
29		#include "libesedb_io_handle.h"
30		#include "libesedb_libcerror.h"
31		#include "libesedb_libcnotify.h"
32		#include "libesedb_page_header.h"
33
34		#include "esedb_page.h"
35
36		/* Creates a page header
37		* Make sure the value page_header is referencing, is set to NULL
38		* Returns 1 if successful or -1 on error
39		*/
40		int libesedb_page_header_initialize(
41		libesedb_page_header_t **page_header,
42		libcerror_error_t **error )
43	12.3k	{
44	12.3k	static char *function = "libesedb_page_header_initialize";
45
46	12.3k	if( page_header == NULL )
47	0	{
48	0	libcerror_error_set(
49	0	error,
50	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
51	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
52	0	"%s: invalid page header.",
53	0	function );
54
55	0	return( -1 );
56	0	}
57	12.3k	if( *page_header != NULL )
58	0	{
59	0	libcerror_error_set(
60	0	error,
61	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
62	0	LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
63	0	"%s: invalid page header value already set.",
64	0	function );
65
66	0	return( -1 );
67	0	}
68	12.3k	*page_header = memory_allocate_structure(
69	12.3k	libesedb_page_header_t );
70
71	12.3k	if( *page_header == NULL )
72	0	{
73	0	libcerror_error_set(
74	0	error,
75	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
76	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
77	0	"%s: unable to create page header.",
78	0	function );
79
80	0	goto on_error;
81	0	}
82	12.3k	if( memory_set(
83	12.3k	*page_header,
84	12.3k	0,
85	12.3k	sizeof( libesedb_page_header_t ) ) == NULL )
86	0	{
87	0	libcerror_error_set(
88	0	error,
89	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
90	0	LIBCERROR_MEMORY_ERROR_SET_FAILED,
91	0	"%s: unable to clear page header.",
92	0	function );
93
94	0	goto on_error;
95	0	}
96	12.3k	return( 1 );
97
98	0	on_error:
99	0	if( *page_header != NULL )
100	0	{
101	0	memory_free(
102	0	*page_header );
103
104	0	*page_header = NULL;
105	0	}
106	0	return( -1 );
107	12.3k	}
108
109		/* Frees a page header
110		* Returns 1 if successful or -1 on error
111		*/
112		int libesedb_page_header_free(
113		libesedb_page_header_t **page_header,
114		libcerror_error_t **error )
115	12.3k	{
116	12.3k	static char *function = "libesedb_page_header_free";
117
118	12.3k	if( page_header == NULL )
119	0	{
120	0	libcerror_error_set(
121	0	error,
122	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
123	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
124	0	"%s: invalid page header.",
125	0	function );
126
127	0	return( -1 );
128	0	}
129	12.3k	if( *page_header != NULL )
130	12.3k	{
131	12.3k	memory_free(
132	12.3k	*page_header );
133
134	12.3k	*page_header = NULL;
135	12.3k	}
136	12.3k	return( 1 );
137	12.3k	}
138
139		/* Reads a page header
140		* Returns 1 if successful or -1 on error
141		*/
142		int libesedb_page_header_read_data(
143		libesedb_page_header_t *page_header,
144		libesedb_io_handle_t *io_handle,
145		const uint8_t *data,
146		size_t data_size,
147		libcerror_error_t **error )
148	12.1k	{
149	12.1k	static char *function = "libesedb_page_header_read_data";
150	12.1k	size_t data_offset = 0;
151	12.1k	size_t minimum_data_size = 0;
152	12.1k	uint16_t available_data_size = 0;
153	12.1k	uint8_t has_extended_header = 0;
154
155		#if defined( HAVE_DEBUG_OUTPUT )
156		uint64_t value_64bit = 0;
157		uint16_t value_16bit = 0;
158		#endif
159
160	12.1k	if( page_header == NULL )
161	0	{
162	0	libcerror_error_set(
163	0	error,
164	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
165	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
166	0	"%s: invalid page header.",
167	0	function );
168
169	0	return( -1 );
170	0	}
171	12.1k	if( io_handle == NULL )
172	0	{
173	0	libcerror_error_set(
174	0	error,
175	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
176	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
177	0	"%s: invalid IO handle.",
178	0	function );
179
180	0	return( -1 );
181	0	}
182	12.1k	if( data == NULL )
183	0	{
184	0	libcerror_error_set(
185	0	error,
186	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
187	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
188	0	"%s: invalid data.",
189	0	function );
190
191	0	return( -1 );
192	0	}
193	12.1k	minimum_data_size = sizeof( esedb_page_header_t );
194
195	12.1k	if( ( io_handle->format_revision >= LIBESEDB_FORMAT_REVISION_EXTENDED_PAGE_HEADER )
196	12.0k	&& ( io_handle->page_size >= 16384 ) )
197	3.18k	{
198	3.18k	minimum_data_size += sizeof( esedb_extended_page_header_t );
199	3.18k	has_extended_header = 1;
200	3.18k	}
201	12.1k	if( ( data_size < minimum_data_size )
202	12.1k	\|\| ( data_size > (size_t) SSIZE_MAX ) )
203	0	{
204	0	libcerror_error_set(
205	0	error,
206	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
207	0	LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,
208	0	"%s: invalid data size value out of bounds.",
209	0	function );
210
211	0	return( -1 );
212	0	}
213		#if defined( HAVE_DEBUG_OUTPUT )
214		if( libcnotify_verbose != 0 )
215		{
216		libcnotify_printf(
217		"%s: page header:\n",
218		function );
219		libcnotify_print_data(
220		data,
221		sizeof( esedb_page_header_t ),
222		LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
223		}
224		#endif
225	12.1k	byte_stream_copy_to_uint16_little_endian(
226	12.1k	( (esedb_page_header_t *) data )->available_data_size,
227	12.1k	available_data_size );
228
229	12.1k	byte_stream_copy_to_uint32_little_endian(
230	12.1k	( (esedb_page_header_t *) data )->previous_page,
231	12.1k	page_header->previous_page_number );
232	12.1k	byte_stream_copy_to_uint32_little_endian(
233	12.1k	( (esedb_page_header_t *) data )->next_page,
234	12.1k	page_header->next_page_number );
235	12.1k	byte_stream_copy_to_uint32_little_endian(
236	12.1k	( (esedb_page_header_t *) data )->father_data_page_object_identifier,
237	12.1k	page_header->father_data_page_object_identifier );
238
239	12.1k	byte_stream_copy_to_uint16_little_endian(
240	12.1k	( (esedb_page_header_t *) data )->available_page_tag,
241	12.1k	page_header->available_page_tag );
242
243	12.1k	byte_stream_copy_to_uint32_little_endian(
244	12.1k	( (esedb_page_header_t *) data )->page_flags,
245	12.1k	page_header->flags );
246
247		/* Make sure to read after the page flags
248		*/
249	12.1k	if( has_extended_header != 0 )
250	3.18k	{
251		/* TODO store checksum into page header */
252	3.18k	}
253	9.00k	else
254	9.00k	{
255	9.00k	byte_stream_copy_to_uint32_little_endian(
256	9.00k	( (esedb_page_header_t *) data )->xor_checksum,
257	9.00k	page_header->xor32_checksum );
258
259	9.00k	if( ( io_handle->format_revision >= LIBESEDB_FORMAT_REVISION_NEW_RECORD_FORMAT )
260	8.88k	&& ( ( page_header->flags & LIBESEDB_PAGE_FLAG_IS_NEW_RECORD_FORMAT ) != 0 ) )
261	3.12k	{
262	3.12k	byte_stream_copy_to_uint32_little_endian(
263	3.12k	( (esedb_page_header_t *) data )->ecc_checksum,
264	3.12k	page_header->ecc32_checksum );
265	3.12k	}
266	5.88k	else
267	5.88k	{
268	5.88k	byte_stream_copy_to_uint32_little_endian(
269	5.88k	( (esedb_page_header_t *) data )->page_number,
270	5.88k	page_header->page_number );
271	5.88k	}
272	9.00k	}
273		#if defined( HAVE_DEBUG_OUTPUT )
274		if( libcnotify_verbose != 0 )
275		{
276		if( has_extended_header != 0 )
277		{
278		/* TODO print checksum from page header */
279
280		byte_stream_copy_to_uint64_little_endian(
281		data,
282		value_64bit );
283		libcnotify_printf(
284		"%s: checksum\t\t\t\t\t: 0x%08" PRIx64 "\n",
285		function,
286		value_64bit );
287		}
288		else
289		{
290		libcnotify_printf(
291		"%s: XOR checksum\t\t\t\t\t: 0x%08" PRIx32 "\n",
292		function,
293		page_header->xor32_checksum );
294
295		if( ( io_handle->format_revision >= LIBESEDB_FORMAT_REVISION_NEW_RECORD_FORMAT )
296		&& ( ( page_header->flags & LIBESEDB_PAGE_FLAG_IS_NEW_RECORD_FORMAT ) != 0 ) )
297		{
298		libcnotify_printf(
299		"%s: ECC checksum\t\t\t\t\t: 0x%08" PRIx32 "\n",
300		function,
301		page_header->ecc32_checksum );
302		}
303		else
304		{
305		libcnotify_printf(
306		"%s: page number\t\t\t\t\t: %" PRIu32 "\n",
307		function,
308		page_header->page_number );
309		}
310		}
311		libcnotify_printf(
312		"%s: database modification time:\n",
313		function );
314		libcnotify_print_data(
315		( (esedb_page_header_t *) data )->database_modification_time,
316		8,
317		0 );
318
319		libcnotify_printf(
320		"%s: previous page number\t\t\t\t: %" PRIu32 "\n",
321		function,
322		page_header->previous_page_number );
323
324		libcnotify_printf(
325		"%s: next page number\t\t\t\t: %" PRIu32 "\n",
326		function,
327		page_header->next_page_number );
328
329		libcnotify_printf(
330		"%s: father data page (FDP) object identifier\t: %" PRIu32 "\n",
331		function,
332		page_header->father_data_page_object_identifier );
333
334		libcnotify_printf(
335		"%s: available data size\t\t\t\t: %" PRIu32 "\n",
336		function,
337		available_data_size );
338
339		byte_stream_copy_to_uint16_little_endian(
340		( (esedb_page_header_t *) data )->available_uncommitted_data_size,
341		value_16bit );
342		libcnotify_printf(
343		"%s: available uncommitted data size\t\t\t: %" PRIu16 "\n",
344		function,
345		value_16bit );
346
347		byte_stream_copy_to_uint16_little_endian(
348		( (esedb_page_header_t *) data )->available_data_offset,
349		value_16bit );
350		libcnotify_printf(
351		"%s: available data offset\t\t\t\t: %" PRIu16 "\n",
352		function,
353		value_16bit );
354
355		libcnotify_printf(
356		"%s: available page tag\t\t\t\t: %" PRIu32 "\n",
357		function,
358		page_header->available_page_tag );
359
360		libcnotify_printf(
361		"%s: page flags\t\t\t\t\t: 0x%08" PRIx32 "\n",
362		function,
363		page_header->flags );
364		libesedb_debug_print_page_flags(
365		page_header->flags );
366		libcnotify_printf(
367		"\n" );
368		}
369		#endif /* defined( HAVE_DEBUG_OUTPUT ) */
370
371	12.1k	data_offset = sizeof( esedb_page_header_t );
372
373	12.1k	if( has_extended_header != 0 )
374	3.18k	{
375		#if defined( HAVE_DEBUG_OUTPUT )
376		if( libcnotify_verbose != 0 )
377		{
378		libcnotify_printf(
379		"%s: extended page header:\n",
380		function );
381		libcnotify_print_data(
382		&( data[ data_offset ] ),
383		40,
384		LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );
385		}
386		#endif
387		#if defined( HAVE_DEBUG_OUTPUT )
388		if( libcnotify_verbose != 0 )
389		{
390		byte_stream_copy_to_uint64_little_endian(
391		( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->checksum1,
392		value_64bit );
393		libcnotify_printf(
394		"%s: checksum1\t\t\t\t\t: 0x%08" PRIx64 "\n",
395		function,
396		value_64bit );
397
398		byte_stream_copy_to_uint64_little_endian(
399		( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->checksum2,
400		value_64bit );
401		libcnotify_printf(
402		"%s: checksum2\t\t\t\t\t: 0x%08" PRIx64 "\n",
403		function,
404		value_64bit );
405
406		byte_stream_copy_to_uint64_little_endian(
407		( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->checksum3,
408		value_64bit );
409		libcnotify_printf(
410		"%s: checksum3\t\t\t\t\t: 0x%08" PRIx64 "\n",
411		function,
412		value_64bit );
413
414		byte_stream_copy_to_uint64_little_endian(
415		( (esedb_extended_page_header_t *) &( data[ data_offset ] ) )->page_number,
416		value_64bit );
417		libcnotify_printf(
418		"%s: page number\t\t\t\t\t: %" PRIu64 "\n",
419		function,
420		value_64bit );
421
422		libcnotify_printf(
423		"\n" );
424		}
425		#endif /* defined( HAVE_DEBUG_OUTPUT ) */
426
427	3.18k	data_offset += sizeof( esedb_extended_page_header_t );
428	3.18k	}
429	12.1k	page_header->data_size = data_offset;
430
431	12.1k	return( 1 );
432	12.1k	}
433
434		/* Retrieves the previous page number
435		* Returns 1 if successful or -1 on error
436		*/
437		int libesedb_page_header_get_previous_page_number(
438		libesedb_page_header_t *page_header,
439		uint32_t *previous_page_number,
440		libcerror_error_t **error )
441	10.2k	{
442	10.2k	static char *function = "libesedb_page_header_get_previous_page_number";
443
444	10.2k	if( page_header == NULL )
445	0	{
446	0	libcerror_error_set(
447	0	error,
448	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
449	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
450	0	"%s: invalid page header.",
451	0	function );
452
453	0	return( -1 );
454	0	}
455	10.2k	if( previous_page_number == NULL )
456	0	{
457	0	libcerror_error_set(
458	0	error,
459	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
460	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
461	0	"%s: invalid previous page number.",
462	0	function );
463
464	0	return( -1 );
465	0	}
466	10.2k	*previous_page_number = page_header->previous_page_number;
467
468	10.2k	return( 1 );
469	10.2k	}
470
471		/* Retrieves the next page number
472		* Returns 1 if successful or -1 on error
473		*/
474		int libesedb_page_header_get_next_page_number(
475		libesedb_page_header_t *page_header,
476		uint32_t *next_page_number,
477		libcerror_error_t **error )
478	113k	{
479	113k	static char *function = "libesedb_page_header_get_next_page_number";
480
481	113k	if( page_header == NULL )
482	0	{
483	0	libcerror_error_set(
484	0	error,
485	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
486	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
487	0	"%s: invalid page header.",
488	0	function );
489
490	0	return( -1 );
491	0	}
492	113k	if( next_page_number == NULL )
493	0	{
494	0	libcerror_error_set(
495	0	error,
496	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
497	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
498	0	"%s: invalid next page number.",
499	0	function );
500
501	0	return( -1 );
502	0	}
503	113k	*next_page_number = page_header->next_page_number;
504
505	113k	return( 1 );
506	113k	}
507
508		/* Retrieves the father data page object identifier
509		* Returns 1 if successful or -1 on error
510		*/
511		int libesedb_page_header_get_father_data_page_object_identifier(
512		libesedb_page_header_t *page_header,
513		uint32_t *father_data_page_object_identifier,
514		libcerror_error_t **error )
515	0	{
516	0	static char *function = "libesedb_page_header_get_father_data_page_object_identifier";
517
518	0	if( page_header == NULL )
519	0	{
520	0	libcerror_error_set(
521	0	error,
522	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
523	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
524	0	"%s: invalid page header.",
525	0	function );
526
527	0	return( -1 );
528	0	}
529	0	if( father_data_page_object_identifier == NULL )
530	0	{
531	0	libcerror_error_set(
532	0	error,
533	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
534	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
535	0	"%s: invalid father data page object identifier.",
536	0	function );
537
538	0	return( -1 );
539	0	}
540	0	*father_data_page_object_identifier = page_header->father_data_page_object_identifier;
541
542	0	return( 1 );
543	0	}
544
545		/* Retrieves the flags
546		* Returns 1 if successful or -1 on error
547		*/
548		int libesedb_page_header_get_flags(
549		libesedb_page_header_t *page_header,
550		uint32_t *flags,
551		libcerror_error_t **error )
552	148k	{
553	148k	static char *function = "libesedb_page_header_get_flags";
554
555	148k	if( page_header == NULL )
556	0	{
557	0	libcerror_error_set(
558	0	error,
559	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
560	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
561	0	"%s: invalid page header.",
562	0	function );
563
564	0	return( -1 );
565	0	}
566	148k	if( flags == NULL )
567	0	{
568	0	libcerror_error_set(
569	0	error,
570	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
571	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
572	0	"%s: invalid flags.",
573	0	function );
574
575	0	return( -1 );
576	0	}
577	148k	*flags = page_header->flags;
578
579	148k	return( 1 );
580	148k	}
581