/src/libmodi/libfplist/libfplist_property.c

Source (jump to first uncovered line)
/*
 * Property functions
 *
 * Copyright (C) 2016-2024, 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 <types.h>

#include "libfplist_definitions.h"
#include "libfplist_libcerror.h"
#include "libfplist_libcnotify.h"
#include "libfplist_libfguid.h"
#include "libfplist_libfvalue.h"
#include "libfplist_libuna.h"
#include "libfplist_property.h"
#include "libfplist_types.h"
#include "libfplist_xml_tag.h"

/* Creates a property
 * Make sure the value property is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_initialize(
     libfplist_property_t **property,
     libfplist_xml_tag_t *key_tag,
     libfplist_xml_tag_t *value_tag,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  static char *function                            = "libfplist_property_initialize";
  int result                                       = 0;

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

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

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

    return( -1 );
  }
  if( key_tag != NULL )
  {
    result = libfplist_xml_tag_compare_name(
              key_tag,
              (uint8_t *) "key",
              3,
              error );

    if( result == -1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to compare name of key tag.",
       function );

      return( -1 );
    }
    else if( result == 0 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
       "%s: unsupported key tag: %s.",
       function,
       key_tag->name );

      return( -1 );
    }
  }
  internal_property = memory_allocate_structure(
                       libfplist_internal_property_t );

  if( internal_property == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
     "%s: unable to create property.",
     function );

    goto on_error;
  }
  if( memory_set(
       internal_property,
       0,
       sizeof( libfplist_internal_property_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear property.",
     function );
  
    memory_free(
     internal_property );

    return( -1 );
  }
  internal_property->key_tag   = key_tag;
  internal_property->value_tag = value_tag;

  *property = (libfplist_property_t *) internal_property;

  return( 1 );

on_error:
  if( internal_property != NULL )
  {
    memory_free(
     internal_property );
  }
  return( -1 );
}

/* Frees a property
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_free(
    libfplist_property_t **property,
    libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  static char *function                            = "libfplist_property_free";

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

    return( -1 );
  }
  if( *property != NULL )
  {
    internal_property = (libfplist_internal_property_t *) *property;
    *property         = NULL;

    /* The key_tag and value_tag are referenced and freed elsewhere */

    memory_free(
     internal_property );
  }
  return( 1 );
}

/* Retrieves the value type
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_get_value_type(
     libfplist_property_t *property,
     int *value_type,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  static char *function                            = "libfplist_property_get_value_type";

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     function );

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

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  *value_type = internal_property->value_type;

  return( 1 );
}

/* Retrieves the value (binary) data size
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_get_value_data_size(
     libfplist_property_t *property,
     size_t *data_size,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  uint8_t *value_data                              = NULL;
  static char *function                            = "libfplist_property_get_value_data_size";
  size_t value_length                              = 0;

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     function );

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

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type != LIBFPLIST_VALUE_TYPE_BINARY_DATA )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  value_data   = internal_property->value_tag->value;
  value_length = internal_property->value_tag->value_size - 1;

  /* The base64 conversion function does not like an empty first line
   */
  if( ( value_data != NULL )
   && ( value_data[ 0 ] == '\n' ) )
  {
    value_data   += 1;
    value_length -= 1;
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: base64 encoded data:\n",
     function );
    libcnotify_print_data(
     value_data,
     value_length,
     0 );
  }
#endif
  if( libuna_base64_stream_size_to_byte_stream(
       value_data,
       value_length,
       data_size,
       LIBUNA_BASE64_VARIANT_ALPHABET_NORMAL | LIBUNA_BASE64_VARIANT_CHARACTER_LIMIT_NONE | LIBUNA_BASE64_VARIANT_PADDING_REQUIRED,
       LIBUNA_BASE64_FLAG_STRIP_WHITESPACE,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
     "%s: unable to determine size of base64 encoded data.",
     function );

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

/* Copies the value (binary) data
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_get_value_data(
     libfplist_property_t *property,
     uint8_t *data,
     size_t data_size,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  uint8_t *value_data                              = NULL;
  static char *function                            = "libfplist_property_get_value_data";
  size_t value_length                              = 0;

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     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 );
  }
  if( data_size > (size_t) SSIZE_MAX )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid data size value exceeds maximum.",
     function );

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type != LIBFPLIST_VALUE_TYPE_BINARY_DATA )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  value_data   = internal_property->value_tag->value;
  value_length = internal_property->value_tag->value_size - 1;

  /* The base64 conversion function does not like an empty first line
   */
  if( ( value_data != NULL )
   && ( value_data[ 0 ] == '\n' ) )
  {
    value_data   += 1;
    value_length -= 1;
  }
#if defined( HAVE_DEBUG_OUTPUT )
  if( libcnotify_verbose != 0 )
  {
    libcnotify_printf(
     "%s: base64 encoded data:\n",
     function );
    libcnotify_print_data(
     value_data,
     value_length,
     0 );
  }
#endif
  if( libuna_base64_stream_copy_to_byte_stream(
       value_data,
       value_length,
       data,
       data_size,
       LIBUNA_BASE64_VARIANT_ALPHABET_NORMAL | LIBUNA_BASE64_VARIANT_CHARACTER_LIMIT_NONE | LIBUNA_BASE64_VARIANT_PADDING_REQUIRED,
       LIBUNA_BASE64_FLAG_STRIP_WHITESPACE,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
     "%s: unable to copy base64 encoded data to byte stream.",
     function );

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

/* Retrieves an integer value
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_get_value_integer(
     libfplist_property_t *property,
     uint64_t *value_64bit,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  static char *function                            = "libfplist_property_get_value_integer";
  uint32_t string_format_flags                     = 0;

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     function );

    return( -1 );
  }
  if( internal_property->value_tag->value == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - invalid value XML tag - missing value.",
     function );

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type != LIBFPLIST_VALUE_TYPE_INTEGER )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  if( ( internal_property->value_tag->value_size > 4 )
   && ( internal_property->value_tag->value[ 0 ] == '0' )
   && ( ( internal_property->value_tag->value[ 1 ] == 'x' )
    ||  ( internal_property->value_tag->value[ 1 ] == 'X' ) ) )
  {
    string_format_flags = LIBFVALUE_INTEGER_FORMAT_TYPE_HEXADECIMAL;
  }
  else
  {
    string_format_flags = LIBFVALUE_INTEGER_FORMAT_TYPE_DECIMAL | LIBFVALUE_INTEGER_FORMAT_FLAG_UNSIGNED;
  }
/* TODO add support for size attribute e.g. size="64" */
  if( libfvalue_utf8_string_copy_to_integer(
       internal_property->value_tag->value,
       internal_property->value_tag->value_size - 1,
       (uint64_t *) value_64bit,
       64,
       string_format_flags,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
     "%s: unable to convert value to integer.",
     function );

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

/* Retrieves a string value
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_get_value_string(
     libfplist_property_t *property,
     uint8_t **string,
     size_t *string_size,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  static char *function                            = "libfplist_property_get_value_string";

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     function );

    return( -1 );
  }
  if( internal_property->value_tag->value == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - invalid value XML tag - missing value.",
     function );

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

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

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

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type != LIBFPLIST_VALUE_TYPE_STRING )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  if( ( internal_property->value_tag->value_size == 0 )
   || ( internal_property->value_tag->value_size > (size_t) MEMORY_MAXIMUM_ALLOCATION_SIZE ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid property - invalid value tag - value size value out of bounds.",
     function );

    return( -1 );
  }
  *string = memory_allocate(
             sizeof( uint8_t ) * internal_property->value_tag->value_size );

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

    goto on_error;
  }
  *string_size = internal_property->value_tag->value_size;

  if( memory_copy(
       *string,
       internal_property->value_tag->value,
       internal_property->value_tag->value_size ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_COPY_FAILED,
     "%s: unable to copy string.",
     function );

    goto on_error;
  }
  return( 1 );

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

    *string = NULL;
  }
  *string_size = 0;

  return( -1 );
}

/* Copies an UUID string value to a byte stream
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_value_uuid_string_copy_to_byte_stream(
     libfplist_property_t *property,
     uint8_t *byte_stream,
     size_t byte_stream_size,
     libcerror_error_t **error )
{
  libfguid_identifier_t *guid = NULL;
  uint8_t *string             = NULL;
  static char *function       = "libfplist_property_value_uuid_string_copy_to_byte_stream";
  size_t string_size          = 0;

  if( libfplist_property_get_value_string(
       property,
       &string,
       &string_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve logical volume family identifier.",
     function );

    goto on_error;
  }
  if( string_size == 0 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid string size value out of bounds.",
     function );

    goto on_error;
  }
  if( libfguid_identifier_initialize(
       &guid,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create GUID.",
     function );

    goto on_error;
  }
  if( libfguid_identifier_copy_from_utf8_string(
       guid,
       string,
       string_size - 1,
       LIBFGUID_STRING_FORMAT_FLAG_USE_MIXED_CASE,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_SET_FAILED,
     "%s: unable to copy GUID from string.",
     function );

    goto on_error;
  }
  memory_free(
   string );

  string = NULL;

  if( libfguid_identifier_copy_to_byte_stream(
       guid,
       byte_stream,
       byte_stream_size,
       LIBFGUID_ENDIAN_BIG,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_SET_FAILED,
     "%s: unable to copy GUID to byte stream.",
     function );

    goto on_error;
  }
  if( libfguid_identifier_free(
       &guid,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
     "%s: unable to free GUID.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( string != NULL )
  {
    memory_free(
     string );
  }
  if( guid != NULL )
  {
    libfguid_identifier_free(
     &guid,
     NULL );
  }
  return( -1 );
}

/* Retrieves the number of array entries
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_get_array_number_of_entries(
     libfplist_property_t *property,
     int *number_of_entries,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  libfplist_xml_tag_t *element_tag                 = NULL;
  static char *function                            = "libfplist_property_get_array_number_of_entries";
  int element_index                                = 0;
  int number_of_elements                           = 0;
  int number_of_nodes                              = 0;
  int result                                       = 0;

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     function );

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

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type != LIBFPLIST_VALUE_TYPE_ARRAY )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  if( libfplist_xml_tag_get_number_of_elements(
       internal_property->value_tag,
       &number_of_elements,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve number of elements.",
     function );

    return( -1 );
  }
  for( element_index = 0;
       element_index < number_of_elements;
       element_index++ )
  {
    if( libfplist_xml_tag_get_element(
         internal_property->value_tag,
         element_index,
         &element_tag,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve element: %d.",
       function,
       element_index );

      return( -1 );
    }
    /* Ignore text nodes
     */
    result = libfplist_xml_tag_compare_name(
              element_tag,
              (uint8_t *) "text",
              4,
              error );

    if( result == -1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to compare name of value tag.",
       function );

      return( -1 );
    }
    else if( result == 0 )
    {
      number_of_nodes++;
    }
  }
  *number_of_entries = number_of_nodes;

  return( 1 );
}

/* Retrieves a specific array entry
 * Returns 1 if successful or -1 on error
 */
int libfplist_property_get_array_entry_by_index(
     libfplist_property_t *property,
     int array_entry_index,
     libfplist_property_t **array_entry,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  libfplist_xml_tag_t *value_tag                   = NULL;
  static char *function                            = "libfplist_property_get_array_entry_by_index";
  int entry_index                                  = 0;
  int element_index                                = 0;
  int number_of_elements                           = 0;
  int result                                       = 0;

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     function );

    return( -1 );
  }
  if( array_entry_index < 0 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
     "%s: invalid array entry index value out of bounds.",
     function );

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

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

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type != LIBFPLIST_VALUE_TYPE_ARRAY )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  if( libfplist_xml_tag_get_number_of_elements(
       internal_property->value_tag,
       &number_of_elements,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve number of elements.",
     function );

    return( -1 );
  }
  entry_index = array_entry_index;

  element_index = 0;

  while( element_index < number_of_elements )
  {
    if( libfplist_xml_tag_get_element(
         internal_property->value_tag,
         element_index,
         &value_tag,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve element: %d.",
       function,
       element_index );

      return( -1 );
    }
    /* Ignore text nodes
     */
    result = libfplist_xml_tag_compare_name(
              value_tag,
              (uint8_t *) "text",
              4,
              error );

    if( result == -1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to compare name of value tag.",
       function );

      return( -1 );
    }
    else if( result == 0 )
    {
      if( entry_index == 0 )
      {
        break;
      }
      entry_index--;
    }
    element_index++;
  }
  if( element_index >= number_of_elements )
  {
    return( 0 );
  }
  if( libfplist_property_initialize(
       array_entry,
       NULL,
       value_tag,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create array entry: %d.",
     function,
     array_entry_index );

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

/* Retrieves the sub property for the specific UTF-8 encoded name
 * Returns 1 if successful, 0 if no such sub property or -1 on error
 */
int libfplist_property_get_sub_property_by_utf8_name(
     libfplist_property_t *property,
     const uint8_t *utf8_string,
     size_t utf8_string_length,
     libfplist_property_t **sub_property,
     libcerror_error_t **error )
{
  libfplist_internal_property_t *internal_property = NULL;
  libfplist_xml_tag_t *key_tag                     = NULL;
  libfplist_xml_tag_t *value_tag                   = NULL;
  static char *function                            = "libfplist_property_get_sub_property_by_utf8_name";
  int element_index                                = 0;
  int number_of_elements                           = 0;
  int result                                       = 0;

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

    return( -1 );
  }
  internal_property = (libfplist_internal_property_t *) property;

  if( internal_property->value_tag == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid property - missing value XML tag.",
     function );

    return( -1 );
  }
  if( utf8_string == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
     "%s: invalid UTF-8 string.",
     function );

    return( -1 );
  }
  if( utf8_string_length > (size_t) ( SSIZE_MAX - 1 ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
     "%s: invalid UTF-8 string length value exceeds maximum.",
     function );

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

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

    return( -1 );
  }
  if( internal_property->value_type == LIBFPLIST_VALUE_TYPE_UNKNOWN )
  {
    if( libfplist_xml_tag_get_value_type(
         internal_property->value_tag,
         &( internal_property->value_type ),
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve value type.",
       function );

      return( -1 );
    }
  }
  if( internal_property->value_type != LIBFPLIST_VALUE_TYPE_DICTIONARY )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
     "%s: unsupported value type.",
     function );

    return( -1 );
  }
  if( libfplist_xml_tag_get_number_of_elements(
       internal_property->value_tag,
       &number_of_elements,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve number of elements.",
     function );

    return( -1 );
  }
  element_index = 0;

  while( element_index < number_of_elements )
  {
    if( libfplist_xml_tag_get_element(
         internal_property->value_tag,
         element_index,
         &key_tag,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve element: %d.",
       function,
       element_index );

      return( -1 );
    }
    result = libfplist_xml_tag_compare_name(
              key_tag,
              (uint8_t *) "key",
              3,
              error );

    if( result == -1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to compare name of key tag.",
       function );

      return( -1 );
    }
    else if( result != 0 )
    {
      if( ( key_tag->value_size == ( utf8_string_length + 1 ) )
       && narrow_string_compare(
           key_tag->value,
           utf8_string,
           utf8_string_length ) == 0 )
      {
        break;
      }
    }
    element_index++;
  }
  if( element_index >= number_of_elements )
  {
    return( 0 );
  }
  element_index++;

  while( element_index < number_of_elements )
  {
    if( libfplist_xml_tag_get_element(
         internal_property->value_tag,
         element_index,
         &value_tag,
         error ) != 1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to retrieve element: %d.",
       function,
       element_index );

      return( -1 );
    }
    /* Ignore text nodes
     */
    result = libfplist_xml_tag_compare_name(
              value_tag,
              (uint8_t *) "text",
              4,
              error );

    if( result == -1 )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_RUNTIME,
       LIBCERROR_RUNTIME_ERROR_GET_FAILED,
       "%s: unable to compare name of value tag.",
       function );

      return( -1 );
    }
    else if( result == 0 )
    {
      break;
    }
    element_index++;
  }
  if( element_index >= number_of_elements )
  {
    return( 0 );
  }
  if( libfplist_property_initialize(
       sub_property,
       key_tag,
       value_tag,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create sub property.",
     function );

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


Coverage Report

Created: 2024-02-25 07:20