/*

  *  Copyright (C) 2007-2008 Sourcefire, Inc.
  *

  *  Authors: Tomasz Kojm

  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  *
  *  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 General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  *  MA 02110-1301, USA.
  */
 
 #ifndef __CAB_H
 #define __CAB_H
 
 #include <sys/types.h>
 #include "cltypes.h"
 

 #define CAB_BLOCKMAX 65535

 #define CAB_INPUTMAX (CAB_BLOCKMAX + 6144)
 
 struct cab_archive {

     struct cab_folder *folders, *actfol;

     struct cab_file *files;

     struct cab_state *state;

     uint32_t length;
     uint16_t nfolders;
     uint16_t nfiles;
     uint16_t flags;
     uint16_t reshdr;
     uint8_t resdata;
 };
 
 struct cab_state {
     unsigned char *pt, *end;

     void *stream;

     unsigned char block[CAB_INPUTMAX];
     uint16_t blklen;
     uint16_t outlen;
     uint16_t blknum;

     uint16_t cmethod;

 };
 
 struct cab_file {
     off_t offset;
     char *name;

     uint32_t length;

     int error;

     int lread;

     int fd;

     int ofd;

     struct cab_folder *folder;
     struct cab_file *next;
     struct cab_archive *cab;

     uint16_t attribs;

     uint64_t max_size, written_size;

 };
 
 struct cab_folder {
     struct cab_archive *cab;
     off_t offset;
     struct cab_folder *next;

     uint16_t cmethod;
     uint16_t nblocks;

 };
 
 int cab_open(int fd, off_t offset, struct cab_archive *cab);

 int cab_extract(struct cab_file *file, const char *name);

 void cab_free(struct cab_archive *cab);
 
 #endif