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73 lines
1.7 KiB
73 lines
1.7 KiB
/*
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* Copyright (C) 2008 Sourcefire Inc.
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* Author: aCaB <acab@clamav.net>
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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 version 2 as
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* published by the Free Software Foundation.
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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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#ifndef __EXPLODE_H
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#define __EXPLODE_H
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#include "cltypes.h"
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enum {
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EXPLODE_EBUFF,
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EXPLODE_ESTREAM
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};
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#define EXPLODE_OK EXPLODE_EBUFF
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enum XPL_STATE {
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GRABLITS,
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GRABLENS,
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GRABDISTS,
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EXPLODE,
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EXPLODE_LITCODES,
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EXPLODE_LITS,
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EXPLODE_BASEDIST,
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EXPLODE_DECODEDISTS,
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EXPLODE_DECODELENS,
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EXPLODE_DECODEEXTRA,
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EXPLODE_WBYTE,
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EXPLODE_BACKCOPY
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};
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struct xplstate {
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uint8_t *next_in;
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uint8_t *next_out;
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unsigned int got;
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unsigned int minlen;
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unsigned int mask;
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unsigned int cur;
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uint32_t lit_tree[256];
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uint32_t len_tree[64];
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uint32_t dist_tree[64];
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uint32_t bitmap;
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uint32_t avail_in;
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uint32_t avail_out;
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uint16_t backbytes;
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uint16_t backsize;
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uint8_t window[8192];
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enum XPL_STATE state;
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uint8_t bits;
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uint8_t largewin;
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uint8_t litcodes;
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};
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int explode_init(struct xplstate *, uint16_t);
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int explode(struct xplstate *);
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void explode_shutdown(void);
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#endif /* __EXPLODE_H */
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