mirror of
https://github.com/libyal/libexe
synced 2026-06-08 15:29:55 +00:00
997 lines
24 KiB
C
997 lines
24 KiB
C
/*
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* Section functions
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*
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* Copyright (C) 2011-2026, Joachim Metz <joachim.metz@gmail.com>
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*
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* Refer to AUTHORS for acknowledgements.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <common.h>
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#include <memory.h>
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#include <types.h>
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#include "libexe_definitions.h"
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#include "libexe_io_handle.h"
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#include "libexe_libbfio.h"
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#include "libexe_libcerror.h"
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#include "libexe_libfcache.h"
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#include "libexe_libfdata.h"
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#include "libexe_libuna.h"
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#include "libexe_section.h"
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#include "libexe_section_io_handle.h"
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/* Creates a section
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* Make sure the value section is referencing, is set to NULL
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_initialize(
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libexe_section_t **section,
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libexe_io_handle_t *io_handle,
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libbfio_handle_t *file_io_handle,
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libexe_section_descriptor_t *section_descriptor,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_initialize";
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if( section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section.",
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function );
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return( -1 );
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}
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if( *section != NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
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"%s: invalid section value already set.",
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function );
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return( -1 );
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}
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if( section_descriptor == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section descriptor.",
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function );
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return( -1 );
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}
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internal_section = memory_allocate_structure(
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libexe_internal_section_t );
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if( internal_section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
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"%s: unable to create internal section.",
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function );
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goto on_error;
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}
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if( memory_set(
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internal_section,
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0,
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sizeof( libexe_internal_section_t ) ) == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_MEMORY,
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LIBCERROR_MEMORY_ERROR_SET_FAILED,
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"%s: unable to clear internal section.",
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function );
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memory_free(
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internal_section );
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return( -1 );
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}
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internal_section->file_io_handle = file_io_handle;
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internal_section->io_handle = io_handle;
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internal_section->section_descriptor = section_descriptor;
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*section = (libexe_section_t *) internal_section;
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return( 1 );
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on_error:
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if( internal_section != NULL )
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{
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memory_free(
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internal_section );
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}
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return( -1 );
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}
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/* Frees a section
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_free(
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libexe_section_t **section,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_free";
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if( section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section.",
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function );
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return( -1 );
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}
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if( *section != NULL )
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{
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internal_section = (libexe_internal_section_t *) *section;
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*section = NULL;
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/* The file_io_handle, io_handle and section_descriptor references are freed elsewhere
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*/
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memory_free(
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internal_section );
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}
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return( 1 );
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}
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/* Retrieves the size of the ASCII formatted name
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* The returned size includes the end of string character
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_get_name_size(
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libexe_section_t *section,
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size_t *string_size,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_get_name_size";
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if( section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section.",
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function );
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return( -1 );
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}
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internal_section = (libexe_internal_section_t *) section;
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if( internal_section->section_descriptor == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing section descriptor.",
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function );
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return( -1 );
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}
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if( string_size == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid string size.",
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function );
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return( -1 );
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}
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*string_size = internal_section->section_descriptor->name_size;
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return( 1 );
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}
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/* Retrieves the ASCII formatted name
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* The size should include the end of string character
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_get_name(
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libexe_section_t *section,
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char *string,
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size_t string_size,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_get_name";
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if( section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section.",
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function );
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return( -1 );
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}
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internal_section = (libexe_internal_section_t *) section;
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if( internal_section->section_descriptor == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing section descriptor.",
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function );
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return( -1 );
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}
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if( string_size > (size_t) SSIZE_MAX )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_EXCEEDS_MAXIMUM,
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"%s: invalid string size value exceeds maximum.",
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function );
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return( -1 );
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}
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if( ( string_size < 1 )
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|| ( string_size < internal_section->section_descriptor->name_size ) )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
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"%s: invalid string value too small.",
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function );
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return( -1 );
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}
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if( internal_section->section_descriptor->name_size == 0 )
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{
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string[ 0 ] = 0;
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}
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else
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{
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if( memory_copy(
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string,
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internal_section->section_descriptor->name,
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internal_section->section_descriptor->name_size ) == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_MEMORY,
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LIBCERROR_MEMORY_ERROR_COPY_FAILED,
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"%s: unable to copy name.",
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function );
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return( -1 );
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}
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}
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return( 1 );
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}
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/* Retrieves the size of the UTF-8 formatted name
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* The returned size includes the end of string character
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_get_utf8_name_size(
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libexe_section_t *section,
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size_t *utf8_string_size,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_get_utf8_name_size";
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if( section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section.",
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function );
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return( -1 );
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}
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internal_section = (libexe_internal_section_t *) section;
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if( internal_section->io_handle == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing IO handle.",
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function );
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return( -1 );
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}
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if( internal_section->section_descriptor == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing section descriptor.",
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function );
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return( -1 );
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}
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if( libuna_utf8_string_size_from_byte_stream(
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(uint8_t *) internal_section->section_descriptor->name,
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internal_section->section_descriptor->name_size,
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internal_section->io_handle->ascii_codepage,
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utf8_string_size,
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error ) != 1 )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_GET_FAILED,
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"%s: unable to retrieve UTF-8 string size.",
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function );
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return( -1 );
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}
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return( 1 );
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}
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/* Retrieves the UTF-8 formatted name
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* The size should include the end of string character
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_get_utf8_name(
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libexe_section_t *section,
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uint8_t *utf8_string,
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size_t utf8_string_size,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_get_utf8_name";
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if( section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section.",
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function );
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return( -1 );
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}
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internal_section = (libexe_internal_section_t *) section;
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if( internal_section->io_handle == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing IO handle.",
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function );
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return( -1 );
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}
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if( internal_section->section_descriptor == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing section descriptor.",
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function );
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return( -1 );
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}
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if( libuna_utf8_string_copy_from_byte_stream(
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utf8_string,
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utf8_string_size,
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(uint8_t *) internal_section->section_descriptor->name,
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internal_section->section_descriptor->name_size,
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internal_section->io_handle->ascii_codepage,
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error ) != 1 )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
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"%s: unable to copy name to UTF-8 string.",
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function );
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return( -1 );
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}
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return( 1 );
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}
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/* Retrieves the size of the UTF-16 formatted name
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* The returned size includes the end of string character
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_get_utf16_name_size(
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libexe_section_t *section,
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size_t *utf16_string_size,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_get_utf16_name_size";
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if( section == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
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"%s: invalid section.",
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function );
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return( -1 );
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}
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internal_section = (libexe_internal_section_t *) section;
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if( internal_section->io_handle == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing IO handle.",
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function );
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return( -1 );
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}
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if( internal_section->section_descriptor == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing section descriptor.",
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function );
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return( -1 );
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}
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if( libuna_utf16_string_size_from_byte_stream(
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(uint8_t *) internal_section->section_descriptor->name,
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internal_section->section_descriptor->name_size,
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internal_section->io_handle->ascii_codepage,
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utf16_string_size,
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error ) != 1 )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
|
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LIBCERROR_RUNTIME_ERROR_GET_FAILED,
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"%s: unable to retrieve UTF-16 string size.",
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function );
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return( -1 );
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}
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return( -1 );
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}
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/* Retrieves the UTF-16 formatted name
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* The size should include the end of string character
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* Returns 1 if successful or -1 on error
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*/
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int libexe_section_get_utf16_name(
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libexe_section_t *section,
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uint16_t *utf16_string,
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size_t utf16_string_size,
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libcerror_error_t **error )
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{
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libexe_internal_section_t *internal_section = NULL;
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static char *function = "libexe_section_get_utf16_name";
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if( section == NULL )
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{
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libcerror_error_set(
|
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error,
|
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LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
|
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LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
|
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"%s: invalid section.",
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function );
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return( -1 );
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}
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internal_section = (libexe_internal_section_t *) section;
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if( internal_section->io_handle == NULL )
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{
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libcerror_error_set(
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error,
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
|
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
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"%s: invalid section - missing IO handle.",
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function );
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return( -1 );
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}
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if( internal_section->section_descriptor == NULL )
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{
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libcerror_error_set(
|
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error,
|
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
|
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LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,
|
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"%s: invalid section - missing section descriptor.",
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function );
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return( -1 );
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}
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if( libuna_utf16_string_copy_from_byte_stream(
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utf16_string,
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utf16_string_size,
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(uint8_t *) internal_section->section_descriptor->name,
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internal_section->section_descriptor->name_size,
|
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internal_section->io_handle->ascii_codepage,
|
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error ) != 1 )
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{
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libcerror_error_set(
|
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error,
|
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LIBCERROR_ERROR_DOMAIN_RUNTIME,
|
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LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
|
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"%s: unable to copy name to UTF-16 string.",
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function );
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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 );
|
|
}
|
|
|