mirror of https://github.com/Cisco-Talos/clamav
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
2.3 KiB
99 lines
2.3 KiB
/*
|
|
* Extract RAR archives
|
|
*
|
|
* Copyright (C) 2005 trog@uncon.org
|
|
*
|
|
* This code is based on the work of Alexander L. Roshal (C)
|
|
*
|
|
* The unRAR sources may be used in any software to handle RAR
|
|
* archives without limitations free of charge, but cannot be used
|
|
* to re-create the RAR compression algorithm, which is proprietary.
|
|
* Distribution of modified unRAR sources in separate form or as a
|
|
* part of other software is permitted, provided that it is clearly
|
|
* stated in the documentation and source comments that the code may
|
|
* not be used to develop a RAR (WinRAR) compatible archiver.
|
|
*/
|
|
|
|
#if HAVE_CONFIG_H
|
|
#include "clamav-config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include "libclamunrar/unrar.h"
|
|
#include "libclamunrar/unrarfilter.h"
|
|
|
|
void rar_filter_array_init(rar_filter_array_t *filter_a)
|
|
{
|
|
filter_a->array = NULL;
|
|
filter_a->num_items = 0;
|
|
}
|
|
|
|
void rar_filter_array_reset(rar_filter_array_t *filter_a)
|
|
{
|
|
int i;
|
|
|
|
if (!filter_a) {
|
|
return;
|
|
}
|
|
for (i=0 ; i < filter_a->num_items ; i++) {
|
|
rar_filter_delete(filter_a->array[i]);
|
|
}
|
|
if (filter_a->array) {
|
|
free(filter_a->array);
|
|
}
|
|
filter_a->array = NULL;
|
|
filter_a->num_items = 0;
|
|
}
|
|
|
|
int rar_filter_array_add(rar_filter_array_t *filter_a, int num)
|
|
{
|
|
filter_a->num_items += num;
|
|
filter_a->array = (struct UnpackFilter **) rar_realloc2(filter_a->array,
|
|
filter_a->num_items * sizeof(struct UnpackFilter **));
|
|
if (filter_a->array == NULL) {
|
|
filter_a->num_items=0;
|
|
return FALSE;
|
|
}
|
|
filter_a->array[filter_a->num_items-1] = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
struct UnpackFilter *rar_filter_new(void)
|
|
{
|
|
struct UnpackFilter *filter;
|
|
|
|
filter = (struct UnpackFilter *) rar_malloc(sizeof(struct UnpackFilter));
|
|
if (!filter) {
|
|
return NULL;
|
|
}
|
|
filter->block_start = 0;
|
|
filter->block_length = 0;
|
|
filter->exec_count = 0;
|
|
filter->next_window = 0;
|
|
|
|
rar_cmd_array_init(&filter->prg.cmd);
|
|
filter->prg.global_data = NULL;
|
|
filter->prg.static_data = NULL;
|
|
filter->prg.global_size = filter->prg.static_size = 0;
|
|
filter->prg.filtered_data = NULL;
|
|
filter->prg.filtered_data_size = 0;
|
|
return filter;
|
|
}
|
|
|
|
void rar_filter_delete(struct UnpackFilter *filter)
|
|
{
|
|
if (!filter) {
|
|
return;
|
|
}
|
|
if (filter->prg.global_data) {
|
|
free(filter->prg.global_data);
|
|
}
|
|
if (filter->prg.static_data) {
|
|
free(filter->prg.static_data);
|
|
}
|
|
rar_cmd_array_reset(&filter->prg.cmd);
|
|
free(filter);
|
|
}
|
|
|