mirror of https://github.com/Cisco-Talos/clamav
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107 lines
2.6 KiB
107 lines
2.6 KiB
/*
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* Extract RAR archives
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*
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* Copyright (C) 2005 trog@uncon.org
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*
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* This code is based on the work of Alexander L. Roshal
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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 General Public License as published by
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* the Free Software Foundation; either version 2 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 General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#if HAVE_CONFIG_H
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#include "clamav-config.h"
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "unrar.h"
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#include "unrarfilter.h"
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#include "others.h"
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void rar_filter_array_init(rar_filter_array_t *filter_a)
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{
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filter_a->array = NULL;
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filter_a->num_items = 0;
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}
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void rar_filter_array_reset(rar_filter_array_t *filter_a)
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{
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int i;
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if (!filter_a) {
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return;
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}
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for (i=0 ; i < filter_a->num_items ; i++) {
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rar_filter_delete(filter_a->array[i]);
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}
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if (filter_a->array) {
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free(filter_a->array);
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}
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filter_a->array = NULL;
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filter_a->num_items = 0;
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}
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int rar_filter_array_add(rar_filter_array_t *filter_a, int num)
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{
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filter_a->num_items += num;
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filter_a->array = (struct UnpackFilter **) cli_realloc2(filter_a->array,
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filter_a->num_items * sizeof(struct UnpackFilter **));
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if (filter_a->array == NULL) {
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filter_a->num_items=0;
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return FALSE;
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}
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filter_a->array[filter_a->num_items-1] = NULL;
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return TRUE;
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}
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struct UnpackFilter *rar_filter_new(void)
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{
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struct UnpackFilter *filter;
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filter = (struct UnpackFilter *) cli_malloc(sizeof(struct UnpackFilter));
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if (!filter) {
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return NULL;
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}
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filter->block_start = 0;
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filter->block_length = 0;
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filter->exec_count = 0;
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filter->next_window = 0;
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rar_cmd_array_init(&filter->prg.cmd);
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filter->prg.global_data = NULL;
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filter->prg.static_data = NULL;
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filter->prg.global_size = filter->prg.static_size = 0;
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filter->prg.filtered_data = NULL;
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filter->prg.filtered_data_size = 0;
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return filter;
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}
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void rar_filter_delete(struct UnpackFilter *filter)
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{
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if (!filter) {
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return;
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}
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if (filter->prg.global_data) {
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free(filter->prg.global_data);
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}
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if (filter->prg.static_data) {
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free(filter->prg.static_data);
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}
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rar_cmd_array_reset(&filter->prg.cmd);
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free(filter);
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}
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