/src/libphdi/libphdi/libphdi_extent_table.c

Source (jump to first uncovered line)
/*
 * Extent table functions
 *
 * Copyright (C) 2015-2024, 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 <memory.h>
#include <narrow_string.h>
#include <system_string.h>
#include <types.h>
#include <wide_string.h>

#include "libphdi_definitions.h"
#include "libphdi_extent_table.h"
#include "libphdi_image_values.h"
#include "libphdi_io_handle.h"
#include "libphdi_libbfio.h"
#include "libphdi_libcdata.h"
#include "libphdi_libcerror.h"
#include "libphdi_libclocale.h"
#include "libphdi_libcpath.h"
#include "libphdi_libfcache.h"
#include "libphdi_libfdata.h"
#include "libphdi_libuna.h"
#include "libphdi_storage_image.h"
#include "libphdi_system_string.h"

/* Creates an extent table
 * Make sure the value extent_table is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libphdi_extent_table_initialize(
     libphdi_extent_table_t **extent_table,
     libcerror_error_t **error )
{
  static char *function = "libphdi_extent_table_initialize";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

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

    return( -1 );
  }
  *extent_table = memory_allocate_structure(
                   libphdi_extent_table_t );

  if( *extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create extent table.",
     function );

    goto on_error;
  }
  if( memory_set(
       *extent_table,
       0,
       sizeof( libphdi_extent_table_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear extent table.",
     function );

    goto on_error;
  }
  return( 1 );

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

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

/* Frees an extent table
 * Returns 1 if successful or -1 on error
 */
int libphdi_extent_table_free(
     libphdi_extent_table_t **extent_table,
     libcerror_error_t **error )
{
  static char *function = "libphdi_extent_table_free";
  int result            = 1;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( *extent_table != NULL )
  {
    if( libphdi_extent_table_clear(
         *extent_table,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to clear extent table.",
       function );

      result = -1;
    }
    memory_free(
     *extent_table );

    *extent_table = NULL;
  }
  return( result );
}

/* Clears the extent table
 * Returns 1 if successful or -1 on error
 */
int libphdi_extent_table_clear(
     libphdi_extent_table_t *extent_table,
     libcerror_error_t **error )
{
  static char *function = "libphdi_extent_table_clear";
  int result            = 1;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_table->extent_files_stream != NULL )
  {
    if( libfdata_stream_free(
         &( extent_table->extent_files_stream ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to free extent files stream.",
       function );

      result = -1;
    }
  }
  if( extent_table->extent_files_list != NULL )
  {
    if( libfdata_list_free(
         &( extent_table->extent_files_list ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to free extent files list.",
       function );

      result = -1;
    }
  }
  if( extent_table->extent_files_cache != NULL )
  {
    if( libfcache_cache_free(
         &( extent_table->extent_files_cache ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
       "%s: unable to free extent files cache.",
       function );

      result = -1;
    }
  }
  if( memory_set(
       extent_table,
       0,
       sizeof( libphdi_extent_table_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to extent table.",
     function );

    result = -1;
  }
  return( result );
}

/* Initializes the extents
 * Returns 1 if successful or -1 on error
 */
int libphdi_extent_table_initialize_extents(
     libphdi_extent_table_t *extent_table,
     libphdi_io_handle_t *io_handle,
     int disk_type,
     libcerror_error_t **error )
{
  static char *function = "libphdi_extent_table_initialize_extents";
  int result            = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( ( disk_type != LIBPHDI_DISK_TYPE_EXPANDING )
   && ( disk_type != LIBPHDI_DISK_TYPE_FIXED ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported disk type.",
     function );

    return( -1 );
  }
  if( disk_type == LIBPHDI_DISK_TYPE_FIXED )
  {
    result = libfdata_stream_initialize(
              &( extent_table->extent_files_stream ),
              (intptr_t *) io_handle,
              NULL,
              NULL,
              NULL,
              (ssize_t (*)(intptr_t *, intptr_t *, int, int, uint8_t *, size_t, uint32_t, uint8_t, libcerror_error_t **)) &libphdi_storage_image_read_segment_data,
              NULL,
              (off64_t (*)(intptr_t *, intptr_t *, int, int, off64_t, libcerror_error_t **)) &libphdi_storage_image_seek_segment_offset,
              LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
              error );

    if( result != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create extent files stream.",
       function );

      goto on_error;
    }
  }
  else if( disk_type == LIBPHDI_DISK_TYPE_EXPANDING )
  {
    result = libfdata_list_initialize(
              &( extent_table->extent_files_list ),
              (intptr_t *) io_handle,
              NULL,
              NULL,
              (int (*)(intptr_t *, intptr_t *, libfdata_list_element_t *, libfdata_cache_t *, int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t **)) &libphdi_storage_image_read_element_data,
              NULL,
              LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
              error );

    if( result != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create extent files list.",
       function );

      goto on_error;
    }
    result = libfcache_cache_initialize(
        &( extent_table->extent_files_cache ),
        LIBPHDI_MAXIMUM_CACHE_ENTRIES_EXTENT_FILES,
        error );

    if( result != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
       "%s: unable to create extent files cache.",
       function );

      goto on_error;
    }
  }
  extent_table->disk_type = disk_type;

  return( 1 );

on_error:
  if( extent_table->extent_files_list != NULL )
  {
    libfdata_list_free(
     &( extent_table->extent_files_list ),
     NULL );
  }
  if( extent_table->extent_files_stream != NULL )
  {
    libfdata_stream_free(
     &( extent_table->extent_files_stream ),
     NULL );
  }
  return( -1 );
}

/* Retrieves an extent file at a specific offset from the extent table
 * Returns 1 if successful or -1 on error
 */
int libphdi_extent_table_get_extent_file_at_offset(
     libphdi_extent_table_t *extent_table,
     off64_t offset,
     libbfio_pool_t *file_io_pool,
     int *extent_index,
     off64_t *extent_file_data_offset,
     libphdi_storage_image_t **extent_file,
     libcerror_error_t **error )
{
  static char *function = "libphdi_extent_table_get_extent_file_at_offset";

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( libfdata_list_get_element_value_at_offset(
       extent_table->extent_files_list,
       (intptr_t *) file_io_pool,
       (libfdata_cache_t *) extent_table->extent_files_cache,
       offset,
       extent_index,
       extent_file_data_offset,
       (intptr_t **) extent_file,
       0,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve element at offset: %" PRIi64 " (0x%08" PRIx64 ") from extent files list.",
     function,
     offset,
     offset );

    return( -1 );
  }
  return( 1 );
}

/* Appends an extent to the extent table based on the image values
 * Returns 1 if successful or -1 on error
 */
int libphdi_extent_table_append_extent(
     libphdi_extent_table_t *extent_table,
     int image_type,
     int file_io_pool_entry,
     size64_t extent_file_size,
     off64_t extent_offset,
     size64_t extent_size,
     libcerror_error_t **error )
{
  static char *function = "libphdi_extent_table_append_extent";
  int element_index     = 0;
  int segment_index     = 0;

  if( extent_table == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid extent table.",
     function );

    return( -1 );
  }
  if( extent_table->image_type == 0 )
  {
    if( image_type == LIBPHDI_IMAGE_TYPE_COMPRESSED )
    {
      if( extent_table->disk_type != LIBPHDI_DISK_TYPE_EXPANDING )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: image type not supported for disk type.",
         function );

        return( -1 );
      }
    }
    else if( image_type == LIBPHDI_IMAGE_TYPE_PLAIN )
    {
      if( extent_table->disk_type != LIBPHDI_DISK_TYPE_FIXED )
      {
        libcerror_error_set(
         error,
         LIBCERROR_ERROR_DOMAIN_RUNTIME,
         LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
         "%s: image type not supported for disk type.",
         function );

        return( -1 );
      }
    }
    else
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
       "%s: unsupported image type.",
       function );

      return( -1 );
    }
    extent_table->image_type = image_type;
  }
  else if( extent_table->image_type != image_type )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: mixed image types not supported.",
     function );

    return( -1 );
  }
  if( image_type == LIBPHDI_IMAGE_TYPE_PLAIN )
  {
    if( ( extent_offset < 0 )
     || ( (size64_t) extent_offset >= extent_file_size ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent offset value out of bounds.",
       function );

      return( -1 );
    }
    if( extent_size > ( extent_file_size - (size64_t) extent_offset ) )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent size value out of bounds.",
       function );

      return( -1 );
    }
    if( libfdata_stream_append_segment(
         extent_table->extent_files_stream,
         &segment_index,
         file_io_pool_entry,
         extent_offset,
         extent_size,
         0,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
       "%s: unable to append segment to extent files stream.",
       function );

      return( -1 );
    }
  }
  else if( image_type == LIBPHDI_IMAGE_TYPE_COMPRESSED )
  {
    if( extent_offset != 0 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
       "%s: invalid extent offset value out of bounds.",
       function );

      return( -1 );
    }
    if( libfdata_list_append_element_with_mapped_size(
         extent_table->extent_files_list,
         &element_index,
         file_io_pool_entry,
         0,
         extent_file_size,
         0,
         extent_size,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
       "%s: unable to append element to extent files list.",
       function );

      return( -1 );
    }
  }
  return( 1 );
}


Coverage Report

Created: 2025-06-24 07:14

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Extent table functions
3		*
4		* Copyright (C) 2015-2024, 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 <memory.h>
24		#include <narrow_string.h>
25		#include <system_string.h>
26		#include <types.h>
27		#include <wide_string.h>
28
29		#include "libphdi_definitions.h"
30		#include "libphdi_extent_table.h"
31		#include "libphdi_image_values.h"
32		#include "libphdi_io_handle.h"
33		#include "libphdi_libbfio.h"
34		#include "libphdi_libcdata.h"
35		#include "libphdi_libcerror.h"
36		#include "libphdi_libclocale.h"
37		#include "libphdi_libcpath.h"
38		#include "libphdi_libfcache.h"
39		#include "libphdi_libfdata.h"
40		#include "libphdi_libuna.h"
41		#include "libphdi_storage_image.h"
42		#include "libphdi_system_string.h"
43
44		/* Creates an extent table
45		* Make sure the value extent_table is referencing, is set to NULL
46		* Returns 1 if successful or -1 on error
47		*/
48		int libphdi_extent_table_initialize(
49		libphdi_extent_table_t **extent_table,
50		libcerror_error_t **error )
51	0	{
52	0	static char *function = "libphdi_extent_table_initialize";
53
54	0	if( extent_table == NULL )
55	0	{
56	0	libcerror_error_set(
57	0	error,
58	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
59	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
60	0	"%s: invalid extent table.",
61	0	function );
62
63	0	return( -1 );
64	0	}
65	0	if( *extent_table != NULL )
66	0	{
67	0	libcerror_error_set(
68	0	error,
69	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
70	0	LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
71	0	"%s: invalid extent table value already set.",
72	0	function );
73
74	0	return( -1 );
75	0	}
76	0	*extent_table = memory_allocate_structure(
77	0	libphdi_extent_table_t );
78
79	0	if( *extent_table == NULL )
80	0	{
81	0	libcerror_error_set(
82	0	error,
83	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
84	0	LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
85	0	"%s: unable to create extent table.",
86	0	function );
87
88	0	goto on_error;
89	0	}
90	0	if( memory_set(
91	0	*extent_table,
92	0	0,
93	0	sizeof( libphdi_extent_table_t ) ) == NULL )
94	0	{
95	0	libcerror_error_set(
96	0	error,
97	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
98	0	LIBCERROR_MEMORY_ERROR_SET_FAILED,
99	0	"%s: unable to clear extent table.",
100	0	function );
101
102	0	goto on_error;
103	0	}
104	0	return( 1 );
105
106	0	on_error:
107	0	if( *extent_table != NULL )
108	0	{
109	0	memory_free(
110	0	*extent_table );
111
112	0	*extent_table = NULL;
113	0	}
114	0	return( -1 );
115	0	}
116
117		/* Frees an extent table
118		* Returns 1 if successful or -1 on error
119		*/
120		int libphdi_extent_table_free(
121		libphdi_extent_table_t **extent_table,
122		libcerror_error_t **error )
123	0	{
124	0	static char *function = "libphdi_extent_table_free";
125	0	int result = 1;
126
127	0	if( extent_table == NULL )
128	0	{
129	0	libcerror_error_set(
130	0	error,
131	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
132	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
133	0	"%s: invalid extent table.",
134	0	function );
135
136	0	return( -1 );
137	0	}
138	0	if( *extent_table != NULL )
139	0	{
140	0	if( libphdi_extent_table_clear(
141	0	*extent_table,
142	0	error ) != 1 )
143	0	{
144	0	libcerror_error_set(
145	0	error,
146	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
147	0	LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
148	0	"%s: unable to clear extent table.",
149	0	function );
150
151	0	result = -1;
152	0	}
153	0	memory_free(
154	0	*extent_table );
155
156	0	*extent_table = NULL;
157	0	}
158	0	return( result );
159	0	}
160
161		/* Clears the extent table
162		* Returns 1 if successful or -1 on error
163		*/
164		int libphdi_extent_table_clear(
165		libphdi_extent_table_t *extent_table,
166		libcerror_error_t **error )
167	0	{
168	0	static char *function = "libphdi_extent_table_clear";
169	0	int result = 1;
170
171	0	if( extent_table == 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 extent table.",
178	0	function );
179
180	0	return( -1 );
181	0	}
182	0	if( extent_table->extent_files_stream != NULL )
183	0	{
184	0	if( libfdata_stream_free(
185	0	&( extent_table->extent_files_stream ),
186	0	error ) != 1 )
187	0	{
188	0	libcerror_error_set(
189	0	error,
190	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
191	0	LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
192	0	"%s: unable to free extent files stream.",
193	0	function );
194
195	0	result = -1;
196	0	}
197	0	}
198	0	if( extent_table->extent_files_list != NULL )
199	0	{
200	0	if( libfdata_list_free(
201	0	&( extent_table->extent_files_list ),
202	0	error ) != 1 )
203	0	{
204	0	libcerror_error_set(
205	0	error,
206	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
207	0	LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
208	0	"%s: unable to free extent files list.",
209	0	function );
210
211	0	result = -1;
212	0	}
213	0	}
214	0	if( extent_table->extent_files_cache != NULL )
215	0	{
216	0	if( libfcache_cache_free(
217	0	&( extent_table->extent_files_cache ),
218	0	error ) != 1 )
219	0	{
220	0	libcerror_error_set(
221	0	error,
222	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
223	0	LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
224	0	"%s: unable to free extent files cache.",
225	0	function );
226
227	0	result = -1;
228	0	}
229	0	}
230	0	if( memory_set(
231	0	extent_table,
232	0	0,
233	0	sizeof( libphdi_extent_table_t ) ) == NULL )
234	0	{
235	0	libcerror_error_set(
236	0	error,
237	0	LIBCERROR_ERROR_DOMAIN_MEMORY,
238	0	LIBCERROR_MEMORY_ERROR_SET_FAILED,
239	0	"%s: unable to extent table.",
240	0	function );
241
242	0	result = -1;
243	0	}
244	0	return( result );
245	0	}
246
247		/* Initializes the extents
248		* Returns 1 if successful or -1 on error
249		*/
250		int libphdi_extent_table_initialize_extents(
251		libphdi_extent_table_t *extent_table,
252		libphdi_io_handle_t *io_handle,
253		int disk_type,
254		libcerror_error_t **error )
255	0	{
256	0	static char *function = "libphdi_extent_table_initialize_extents";
257	0	int result = 0;
258
259	0	if( extent_table == NULL )
260	0	{
261	0	libcerror_error_set(
262	0	error,
263	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
264	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
265	0	"%s: invalid extent table.",
266	0	function );
267
268	0	return( -1 );
269	0	}
270	0	if( ( disk_type != LIBPHDI_DISK_TYPE_EXPANDING )
271	0	&& ( disk_type != LIBPHDI_DISK_TYPE_FIXED ) )
272	0	{
273	0	libcerror_error_set(
274	0	error,
275	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
276	0	LIBCERROR_ARGUMENT_ERROR_UNSUPPORTED_VALUE,
277	0	"%s: unsupported disk type.",
278	0	function );
279
280	0	return( -1 );
281	0	}
282	0	if( disk_type == LIBPHDI_DISK_TYPE_FIXED )
283	0	{
284	0	result = libfdata_stream_initialize(
285	0	&( extent_table->extent_files_stream ),
286	0	(intptr_t *) io_handle,
287	0	NULL,
288	0	NULL,
289	0	NULL,
290	0	(ssize_t ()(intptr_t , intptr_t , int, int, uint8_t , size_t, uint32_t, uint8_t, libcerror_error_t **)) &libphdi_storage_image_read_segment_data,
291	0	NULL,
292	0	(off64_t ()(intptr_t , intptr_t , int, int, off64_t, libcerror_error_t *)) &libphdi_storage_image_seek_segment_offset,
293	0	LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
294	0	error );
295
296	0	if( result != 1 )
297	0	{
298	0	libcerror_error_set(
299	0	error,
300	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
301	0	LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
302	0	"%s: unable to create extent files stream.",
303	0	function );
304
305	0	goto on_error;
306	0	}
307	0	}
308	0	else if( disk_type == LIBPHDI_DISK_TYPE_EXPANDING )
309	0	{
310	0	result = libfdata_list_initialize(
311	0	&( extent_table->extent_files_list ),
312	0	(intptr_t *) io_handle,
313	0	NULL,
314	0	NULL,
315	0	(int ()(intptr_t , intptr_t , libfdata_list_element_t , libfdata_cache_t , int, off64_t, size64_t, uint32_t, uint8_t, libcerror_error_t *)) &libphdi_storage_image_read_element_data,
316	0	NULL,
317	0	LIBFDATA_DATA_HANDLE_FLAG_NON_MANAGED,
318	0	error );
319
320	0	if( result != 1 )
321	0	{
322	0	libcerror_error_set(
323	0	error,
324	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
325	0	LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
326	0	"%s: unable to create extent files list.",
327	0	function );
328
329	0	goto on_error;
330	0	}
331	0	result = libfcache_cache_initialize(
332	0	&( extent_table->extent_files_cache ),
333	0	LIBPHDI_MAXIMUM_CACHE_ENTRIES_EXTENT_FILES,
334	0	error );
335
336	0	if( result != 1 )
337	0	{
338	0	libcerror_error_set(
339	0	error,
340	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
341	0	LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
342	0	"%s: unable to create extent files cache.",
343	0	function );
344
345	0	goto on_error;
346	0	}
347	0	}
348	0	extent_table->disk_type = disk_type;
349
350	0	return( 1 );
351
352	0	on_error:
353	0	if( extent_table->extent_files_list != NULL )
354	0	{
355	0	libfdata_list_free(
356	0	&( extent_table->extent_files_list ),
357	0	NULL );
358	0	}
359	0	if( extent_table->extent_files_stream != NULL )
360	0	{
361	0	libfdata_stream_free(
362	0	&( extent_table->extent_files_stream ),
363	0	NULL );
364	0	}
365	0	return( -1 );
366	0	}
367
368		/* Retrieves an extent file at a specific offset from the extent table
369		* Returns 1 if successful or -1 on error
370		*/
371		int libphdi_extent_table_get_extent_file_at_offset(
372		libphdi_extent_table_t *extent_table,
373		off64_t offset,
374		libbfio_pool_t *file_io_pool,
375		int *extent_index,
376		off64_t *extent_file_data_offset,
377		libphdi_storage_image_t **extent_file,
378		libcerror_error_t **error )
379	0	{
380	0	static char *function = "libphdi_extent_table_get_extent_file_at_offset";
381
382	0	if( extent_table == NULL )
383	0	{
384	0	libcerror_error_set(
385	0	error,
386	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
387	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
388	0	"%s: invalid extent table.",
389	0	function );
390
391	0	return( -1 );
392	0	}
393	0	if( libfdata_list_get_element_value_at_offset(
394	0	extent_table->extent_files_list,
395	0	(intptr_t *) file_io_pool,
396	0	(libfdata_cache_t *) extent_table->extent_files_cache,
397	0	offset,
398	0	extent_index,
399	0	extent_file_data_offset,
400	0	(intptr_t **) extent_file,
401	0	0,
402	0	error ) != 1 )
403	0	{
404	0	libcerror_error_set(
405	0	error,
406	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
407	0	LIBCERROR_RUNTIME_ERROR_GET_FAILED,
408	0	"%s: unable to retrieve element at offset: %" PRIi64 " (0x%08" PRIx64 ") from extent files list.",
409	0	function,
410	0	offset,
411	0	offset );
412
413	0	return( -1 );
414	0	}
415	0	return( 1 );
416	0	}
417
418		/* Appends an extent to the extent table based on the image values
419		* Returns 1 if successful or -1 on error
420		*/
421		int libphdi_extent_table_append_extent(
422		libphdi_extent_table_t *extent_table,
423		int image_type,
424		int file_io_pool_entry,
425		size64_t extent_file_size,
426		off64_t extent_offset,
427		size64_t extent_size,
428		libcerror_error_t **error )
429	0	{
430	0	static char *function = "libphdi_extent_table_append_extent";
431	0	int element_index = 0;
432	0	int segment_index = 0;
433
434	0	if( extent_table == NULL )
435	0	{
436	0	libcerror_error_set(
437	0	error,
438	0	LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
439	0	LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
440	0	"%s: invalid extent table.",
441	0	function );
442
443	0	return( -1 );
444	0	}
445	0	if( extent_table->image_type == 0 )
446	0	{
447	0	if( image_type == LIBPHDI_IMAGE_TYPE_COMPRESSED )
448	0	{
449	0	if( extent_table->disk_type != LIBPHDI_DISK_TYPE_EXPANDING )
450	0	{
451	0	libcerror_error_set(
452	0	error,
453	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
454	0	LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
455	0	"%s: image type not supported for disk type.",
456	0	function );
457
458	0	return( -1 );
459	0	}
460	0	}
461	0	else if( image_type == LIBPHDI_IMAGE_TYPE_PLAIN )
462	0	{
463	0	if( extent_table->disk_type != LIBPHDI_DISK_TYPE_FIXED )
464	0	{
465	0	libcerror_error_set(
466	0	error,
467	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
468	0	LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
469	0	"%s: image type not supported for disk type.",
470	0	function );
471
472	0	return( -1 );
473	0	}
474	0	}
475	0	else
476	0	{
477	0	libcerror_error_set(
478	0	error,
479	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
480	0	LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
481	0	"%s: unsupported image type.",
482	0	function );
483
484	0	return( -1 );
485	0	}
486	0	extent_table->image_type = image_type;
487	0	}
488	0	else if( extent_table->image_type != image_type )
489	0	{
490	0	libcerror_error_set(
491	0	error,
492	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
493	0	LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
494	0	"%s: mixed image types not supported.",
495	0	function );
496
497	0	return( -1 );
498	0	}
499	0	if( image_type == LIBPHDI_IMAGE_TYPE_PLAIN )
500	0	{
501	0	if( ( extent_offset < 0 )
502	0	\|\| ( (size64_t) extent_offset >= extent_file_size ) )
503	0	{
504	0	libcerror_error_set(
505	0	error,
506	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
507	0	LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
508	0	"%s: invalid extent offset value out of bounds.",
509	0	function );
510
511	0	return( -1 );
512	0	}
513	0	if( extent_size > ( extent_file_size - (size64_t) extent_offset ) )
514	0	{
515	0	libcerror_error_set(
516	0	error,
517	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
518	0	LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
519	0	"%s: invalid extent size value out of bounds.",
520	0	function );
521
522	0	return( -1 );
523	0	}
524	0	if( libfdata_stream_append_segment(
525	0	extent_table->extent_files_stream,
526	0	&segment_index,
527	0	file_io_pool_entry,
528	0	extent_offset,
529	0	extent_size,
530	0	0,
531	0	error ) != 1 )
532	0	{
533	0	libcerror_error_set(
534	0	error,
535	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
536	0	LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
537	0	"%s: unable to append segment to extent files stream.",
538	0	function );
539
540	0	return( -1 );
541	0	}
542	0	}
543	0	else if( image_type == LIBPHDI_IMAGE_TYPE_COMPRESSED )
544	0	{
545	0	if( extent_offset != 0 )
546	0	{
547	0	libcerror_error_set(
548	0	error,
549	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
550	0	LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
551	0	"%s: invalid extent offset value out of bounds.",
552	0	function );
553
554	0	return( -1 );
555	0	}
556	0	if( libfdata_list_append_element_with_mapped_size(
557	0	extent_table->extent_files_list,
558	0	&element_index,
559	0	file_io_pool_entry,
560	0	0,
561	0	extent_file_size,
562	0	0,
563	0	extent_size,
564	0	error ) != 1 )
565	0	{
566	0	libcerror_error_set(
567	0	error,
568	0	LIBCERROR_ERROR_DOMAIN_RUNTIME,
569	0	LIBCERROR_RUNTIME_ERROR_APPEND_FAILED,
570	0	"%s: unable to append element to extent files list.",
571	0	function );
572
573	0	return( -1 );
574	0	}
575	0	}
576	0	return( 1 );
577	0	}
578