1 #ifndef DEANIMATE_H_INCLUDED
2 #define DEANIMATE_H_INCLUDED
3 #define DEANIMATE_H_VERSION "$Id: deanimate.h,v 1.8.2.1 2004/10/03 12:53:32 david__schmidt Exp $"
4 /*********************************************************************
6 * File : $Source: /cvsroot/ijbswa/current/Attic/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 1.8.2.1 2004/10/03 12:53:32 david__schmidt
48 * Add the ability to check jpeg images for invalid
49 * lengths of comment blocks. Defensive strategy
50 * against the exploit:
51 * Microsoft Security Bulletin MS04-028
52 * Buffer Overrun in JPEG Processing (GDI+) Could
53 * Allow Code Execution (833987)
54 * Enabled with +inspect-jpegs in actions files.
56 * Revision 1.8 2002/03/26 22:29:54 swa
57 * we have a new homepage!
59 * Revision 1.7 2002/03/24 13:25:43 swa
60 * name change related issues
62 * Revision 1.6 2002/03/08 17:46:04 jongfoster
63 * Fixing int/size_t warnings
65 * Revision 1.5 2002/03/07 03:46:17 oes
66 * Fixed compiler warnings
68 * Revision 1.4 2001/07/29 18:50:04 jongfoster
69 * Fixing "extern C" block, and renaming #define _DEANIMATE_H
71 * Revision 1.3 2001/07/18 12:29:05 oes
72 * Updated prototype for gif_deanimate
74 * Revision 1.2 2001/07/13 13:46:20 oes
75 * Introduced GIF deanimation feature
78 *********************************************************************/
86 * A struct that holds a buffer, a read/write offset,
87 * and the buffer's capacity.
99 extern int gif_deanimate(struct binbuffer *src, struct binbuffer *dst, int get_first_image);
100 extern int jpeg_inspect(struct binbuffer *src, struct binbuffer *dst);
101 extern void buf_free(struct binbuffer *buf);
104 * Revision control strings from this header and associated .c file
106 extern const char deanimate_rcs[];
107 extern const char deanimate_h_rcs[];
113 #endif /* ndef DEANIMATE_H_INCLUDED */