1 #ifndef DEANIMATE_H_INCLUDED
2 #define DEANIMATE_H_INCLUDED
3 #define DEANIMATE_H_VERSION "$Id: deanimate.h,v 1.10 2006/07/18 14:48:45 david__schmidt Exp $"
4 /*********************************************************************
6 * File : $Source: /cvsroot/ijbswa/current/deanimate.h,v $
8 * Purpose : Declares functions to manipulate binary images on the
9 * fly. High-level functions include:
10 * - Deanimation of GIF images
11 * - Fixup of malformed comment block in JPEG headers
13 * Functions declared include: gif_deanimate, buf_free,
17 * Copyright : Written by and Copyright (C) 2001 - 2004 by the the
18 * SourceForge Privoxy team. http://www.privoxy.org/
20 * Based on ideas from the Image::DeAnim Perl module by
21 * Ken MacFarlane, <ksm+cpan@universal.dca.net>
23 * Based on the Internet Junkbuster originally written
24 * by and Copyright (C) 1997 Anonymous Coders and
25 * Junkbusters Corporation. http://www.junkbusters.com
27 * This program is free software; you can redistribute it
28 * and/or modify it under the terms of the GNU General
29 * Public License as published by the Free Software
30 * Foundation; either version 2 of the License, or (at
31 * your option) any later version.
33 * This program is distributed in the hope that it will
34 * be useful, but WITHOUT ANY WARRANTY; without even the
35 * implied warranty of MERCHANTABILITY or FITNESS FOR A
36 * PARTICULAR PURPOSE. See the GNU General Public
37 * License for more details.
39 * The GNU General Public License should be included with
40 * this file. If not, you can view it at
41 * http://www.gnu.org/copyleft/gpl.html
42 * or write to the Free Software Foundation, Inc., 59
43 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
46 * $Log: deanimate.h,v $
47 * Revision 1.10 2006/07/18 14:48:45 david__schmidt
48 * Reorganizing the repository: swapping out what was HEAD (the old 3.1 branch)
49 * with what was really the latest development (the v_3_0_branch branch)
51 * Revision 1.8.2.1 2004/10/03 12:53:32 david__schmidt
52 * Add the ability to check jpeg images for invalid
53 * lengths of comment blocks. Defensive strategy
54 * against the exploit:
55 * Microsoft Security Bulletin MS04-028
56 * Buffer Overrun in JPEG Processing (GDI+) Could
57 * Allow Code Execution (833987)
58 * Enabled with +inspect-jpegs in actions files.
60 * Revision 1.8 2002/03/26 22:29:54 swa
61 * we have a new homepage!
63 * Revision 1.7 2002/03/24 13:25:43 swa
64 * name change related issues
66 * Revision 1.6 2002/03/08 17:46:04 jongfoster
67 * Fixing int/size_t warnings
69 * Revision 1.5 2002/03/07 03:46:17 oes
70 * Fixed compiler warnings
72 * Revision 1.4 2001/07/29 18:50:04 jongfoster
73 * Fixing "extern C" block, and renaming #define _DEANIMATE_H
75 * Revision 1.3 2001/07/18 12:29:05 oes
76 * Updated prototype for gif_deanimate
78 * Revision 1.2 2001/07/13 13:46:20 oes
79 * Introduced GIF deanimation feature
82 *********************************************************************/
90 * A struct that holds a buffer, a read/write offset,
91 * and the buffer's capacity.
101 * Function prototypes
103 extern int gif_deanimate(struct binbuffer *src, struct binbuffer *dst, int get_first_image);
104 extern int jpeg_inspect(struct binbuffer *src, struct binbuffer *dst);
105 extern void buf_free(struct binbuffer *buf);
108 * Revision control strings from this header and associated .c file
110 extern const char deanimate_rcs[];
111 extern const char deanimate_h_rcs[];
117 #endif /* ndef DEANIMATE_H_INCLUDED */