/src/libexe/libexe/libexe_section.c

Source (jump to first uncovered line)
/*
 * Section functions
 *
 * Copyright (C) 2011-2023, 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 <types.h>

#include "libexe_definitions.h"
#include "libexe_io_handle.h"
#include "libexe_libbfio.h"
#include "libexe_libcerror.h"
#include "libexe_libfcache.h"
#include "libexe_libfdata.h"
#include "libexe_libuna.h"
#include "libexe_section.h"
#include "libexe_section_io_handle.h"

/* Creates a section
 * Make sure the value section is referencing, is set to NULL
 * Returns 1 if successful or -1 on error
 */
int libexe_section_initialize(
     libexe_section_t **section,
     libexe_io_handle_t *io_handle,
     libbfio_handle_t *file_io_handle,
     libexe_section_descriptor_t *section_descriptor,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_initialize";

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

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

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

    return( -1 );
  }
  internal_section = memory_allocate_structure(
                      libexe_internal_section_t );

  if( internal_section == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create internal section.",
     function );

    goto on_error;
  }
  if( memory_set(
       internal_section,
       0,
       sizeof( libexe_internal_section_t ) ) == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_MEMORY,
     LIBCERROR_MEMORY_ERROR_SET_FAILED,
     "%s: unable to clear internal section.",
     function );

    memory_free(
     internal_section );

    return( -1 );
  }
  internal_section->file_io_handle     = file_io_handle;
  internal_section->io_handle          = io_handle;
  internal_section->section_descriptor = section_descriptor;

  *section = (libexe_section_t *) internal_section;

  return( 1 );

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

/* Frees a section
 * Returns 1 if successful or -1 on error
 */
int libexe_section_free(
     libexe_section_t **section,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_free";

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

    return( -1 );
  }
  if( *section != NULL )
  {
    internal_section = (libexe_internal_section_t *) *section;
    *section         = NULL;

    /* The file_io_handle, io_handle and section_descriptor references are freed elsewhere
     */
    memory_free(
     internal_section );
  }
  return( 1 );
}

/* Retrieves the size of the ASCII formatted name
 * The returned size includes the end of string character
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_name_size(
     libexe_section_t *section,
     size_t *string_size,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_name_size";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     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 );
  }
  *string_size = internal_section->section_descriptor->name_size;

  return( 1 );
}

/* Retrieves the ASCII formatted name
 * The size should include the end of string character
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_name(
     libexe_section_t *section,
     char *string,
     size_t string_size,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_name";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

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

    return( -1 );
  }
  if( ( string_size < 1 )
   || ( string_size < internal_section->section_descriptor->name_size ) )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
     LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
     "%s: invalid string value too small.",
     function );

    return( -1 );
  }
  if( internal_section->section_descriptor->name_size == 0 )
  {
    string[ 0 ] = 0;
  }
  else
  {
    if( memory_copy(
         string,
         internal_section->section_descriptor->name,
         internal_section->section_descriptor->name_size ) == NULL )
    {
      libcerror_error_set(
       error,
       LIBCERROR_ERROR_DOMAIN_MEMORY,
       LIBCERROR_MEMORY_ERROR_COPY_FAILED,
       "%s: unable to copy name.",
       function );

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

/* Retrieves the size of the UTF-8 formatted name
 * The returned size includes the end of string character
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_utf8_name_size(
     libexe_section_t *section,
     size_t *utf8_string_size,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_utf8_name_size";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->io_handle == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing IO handle.",
     function );

    return( -1 );
  }
  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  if( libuna_utf8_string_size_from_byte_stream(
       (uint8_t *) internal_section->section_descriptor->name,
       internal_section->section_descriptor->name_size,
       internal_section->io_handle->ascii_codepage,
       utf8_string_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-8 string size.",
     function );

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

/* Retrieves the UTF-8 formatted name
 * The size should include the end of string character
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_utf8_name(
     libexe_section_t *section,
     uint8_t *utf8_string,
     size_t utf8_string_size,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_utf8_name";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->io_handle == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing IO handle.",
     function );

    return( -1 );
  }
  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  if( libuna_utf8_string_copy_from_byte_stream(
       utf8_string,
       utf8_string_size,
       (uint8_t *) internal_section->section_descriptor->name,
       internal_section->section_descriptor->name_size,
       internal_section->io_handle->ascii_codepage,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
     "%s: unable to copy name to UTF-8 string.",
     function );

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

/* Retrieves the size of the UTF-16 formatted name
 * The returned size includes the end of string character
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_utf16_name_size(
     libexe_section_t *section,
     size_t *utf16_string_size,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_utf16_name_size";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->io_handle == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing IO handle.",
     function );

    return( -1 );
  }
  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  if( libuna_utf16_string_size_from_byte_stream(
       (uint8_t *) internal_section->section_descriptor->name,
       internal_section->section_descriptor->name_size,
       internal_section->io_handle->ascii_codepage,
       utf16_string_size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve UTF-16 string size.",
     function );

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

/* Retrieves the UTF-16 formatted name
 * The size should include the end of string character
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_utf16_name(
     libexe_section_t *section,
     uint16_t *utf16_string,
     size_t utf16_string_size,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_utf16_name";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->io_handle == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing IO handle.",
     function );

    return( -1 );
  }
  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  if( libuna_utf16_string_copy_from_byte_stream(
       utf16_string,
       utf16_string_size,
       (uint8_t *) internal_section->section_descriptor->name,
       internal_section->section_descriptor->name_size,
       internal_section->io_handle->ascii_codepage,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
     "%s: unable to copy name to UTF-16 string.",
     function );

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

/* Reads data at the current offset into a buffer
 * Returns the number of bytes read or -1 on error
 */
ssize_t libexe_section_read_buffer(
         libexe_section_t *section,
         void *buffer,
         size_t buffer_size,
         libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_read_buffer";
  ssize_t read_count                          = 0;

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  read_count = libfdata_stream_read_buffer(
                internal_section->section_descriptor->data_stream,
                (intptr_t *) internal_section->file_io_handle,
                buffer,
                buffer_size,
                0,
                error );

  if( read_count == -1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_READ_FAILED,
     "%s: unable to read buffer from section data stream.",
     function );

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

/* Reads data at a specific offset into a buffer
 * Returns the number of bytes read or -1 on error
 */
ssize_t libexe_section_read_buffer_at_offset(
         libexe_section_t *section,
         void *buffer,
         size_t buffer_size,
         off64_t offset,
         libcerror_error_t **error )
{
  static char *function = "libexe_section_read_buffer_at_offset";
  ssize_t read_count    = 0;

  if( libexe_section_seek_offset(
       section,
       offset,
       SEEK_SET,
       error ) == -1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_SEEK_FAILED,
     "%s: unable to seek offset.",
     function );

    return( -1 );
  }
  read_count = libexe_section_read_buffer(
                section,
                buffer,
                buffer_size,
                error );

  if( read_count < 0 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_READ_FAILED,
     "%s: unable to read buffer.",
     function );

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

/* Seeks a certain offset of the data
 * Returns the offset if seek is successful or -1 on error
 */
off64_t libexe_section_seek_offset(
         libexe_section_t *section,
         off64_t offset,
         int whence,
         libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_seek_offset";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  offset = libfdata_stream_seek_offset(
            internal_section->section_descriptor->data_stream,
            offset,
            whence,
            error );

  if( offset == -1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_IO,
     LIBCERROR_IO_ERROR_SEEK_FAILED,
     "%s: unable to seek in section data stream.",
     function );

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

/* Retrieves the (current) offset
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_offset(
     libexe_section_t *section,
     off64_t *offset,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_offset";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  if( libfdata_stream_get_offset(
       internal_section->section_descriptor->data_stream,
       offset,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve section data stream offset.",
     function );

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

/* Retrieves the size
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_size(
     libexe_section_t *section,
     size64_t *size,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_size";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( libexe_section_descriptor_get_data_size(
       internal_section->section_descriptor,
       size,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve section descriptor data size.",
     function );

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

/* Retrieves the start offset
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_start_offset(
     libexe_section_t *section,
     off64_t *start_offset,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_start_offset";
  size64_t segment_size                       = 0;
  uint32_t segment_flags                      = 0;
  int segment_file_index                      = 0;

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

    return( -1 );
  }
  if( libfdata_stream_get_segment_by_index(
       internal_section->section_descriptor->data_stream,
       0,
       &segment_file_index,
       start_offset,
       &segment_size,
       &segment_flags,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_GET_FAILED,
     "%s: unable to retrieve section data stream segment: 0.",
     function );

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

/* Retrieves the virtual address
 * Returns 1 if successful or -1 on error
 */
int libexe_section_get_virtual_address(
     libexe_section_t *section,
     uint32_t *virtual_address,
     libcerror_error_t **error )
{
  libexe_internal_section_t *internal_section = NULL;
  static char *function                       = "libexe_section_get_virtual_address";

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

    return( -1 );
  }
  internal_section = (libexe_internal_section_t *) section;

  if( internal_section->section_descriptor == NULL )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
     "%s: invalid section - missing section descriptor.",
     function );

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

    return( -1 );
  }
  *virtual_address = internal_section->section_descriptor->virtual_address;

  return( 1 );
}

/* Retrieves the section data file IO handle
 * Returns 1 if successful -1 on error
 */
int libexe_section_get_data_file_io_handle(
     libexe_section_t *section,
     libbfio_handle_t **file_io_handle,
     libcerror_error_t **error )
{
  libexe_section_io_handle_t *io_handle = NULL;
  static char *function                 = "libexe_section_get_data_file_io_handle";

  if( libexe_section_io_handle_initialize(
       &io_handle,
       section,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create section file IO handle.",
     function );

    goto on_error;
  }
  if( libbfio_handle_initialize(
       file_io_handle,
       (intptr_t *) io_handle,
       (int (*)(intptr_t **, libcerror_error_t **)) libexe_section_io_handle_free,
       (int (*)(intptr_t **, intptr_t *, libcerror_error_t **)) libexe_section_io_handle_clone,
       (int (*)(intptr_t *, int flags, libcerror_error_t **)) libexe_section_io_handle_open,
       (int (*)(intptr_t *, libcerror_error_t **)) libexe_section_io_handle_close,
       (ssize_t (*)(intptr_t *, uint8_t *, size_t, libcerror_error_t **)) libexe_section_io_handle_read,
       (ssize_t (*)(intptr_t *, const uint8_t *, size_t, libcerror_error_t **)) libexe_section_io_handle_write,
       (off64_t (*)(intptr_t *, off64_t, int, libcerror_error_t **)) libexe_section_io_handle_seek_offset,
       (int (*)(intptr_t *, libcerror_error_t **)) libexe_section_io_handle_exists,
       (int (*)(intptr_t *, libcerror_error_t **)) libexe_section_io_handle_is_open,
       (int (*)(intptr_t *, size64_t *, libcerror_error_t **)) libexe_section_io_handle_get_size,
       LIBBFIO_FLAG_IO_HANDLE_MANAGED | LIBBFIO_FLAG_IO_HANDLE_CLONE_BY_FUNCTION,
       error ) != 1 )
  {
    libcerror_error_set(
     error,
     LIBCERROR_ERROR_DOMAIN_RUNTIME,
     LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
     "%s: unable to create file IO handle.",
     function );

    goto on_error;
  }
  return( 1 );

on_error:
  if( io_handle != NULL )
  {
    libexe_section_io_handle_free(
     &io_handle,
     NULL );
  }
  return( -1 );
}


Coverage Report

Created: 2023-06-07 06:53