1 const char killpopup_rcs[] = "$Id: killpopup.c,v 1.6 2001/07/19 19:11:35 haroon Exp $";
2 /*********************************************************************
4 * File : $Source: /cvsroot/ijbswa/current/killpopup.c,v $
6 * Purpose : Handles the filtering of popups.
8 * Copyright : Written by and Copyright (C) 2001 the SourceForge
9 * IJBSWA team. http://ijbswa.sourceforge.net
11 * Based on the Internet Junkbuster originally written
12 * by and Copyright (C) 1997 Anonymous Coders and
13 * Junkbusters Corporation. http://www.junkbusters.com
15 * This program is free software; you can redistribute it
16 * and/or modify it under the terms of the GNU General
17 * Public License as published by the Free Software
18 * Foundation; either version 2 of the License, or (at
19 * your option) any later version.
21 * This program is distributed in the hope that it will
22 * be useful, but WITHOUT ANY WARRANTY; without even the
23 * implied warranty of MERCHANTABILITY or FITNESS FOR A
24 * PARTICULAR PURPOSE. See the GNU General Public
25 * License for more details.
27 * The GNU General Public License should be included with
28 * this file. If not, you can view it at
29 * http://www.gnu.org/copyleft/gpl.html
30 * or write to the Free Software Foundation, Inc., 59
31 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
34 * $Log: killpopup.c,v $
35 * Revision 1.6 2001/07/19 19:11:35 haroon
36 * - Implemented Guy's idea of replacing window.open( with 1;''.concat(
37 * - Implemented Guy's idea of replacing .resizeTo( with .scrollTo(
39 * Revision 1.5 2001/07/18 15:02:52 haroon
40 * improved nuking of window.open
42 * Revision 1.4 2001/06/29 13:29:55 oes
43 * Added FIXMEs (and didn't repair, hehe)
45 * Revision 1.3 2001/05/22 18:56:28 oes
48 * Revision 1.2 2001/05/20 01:21:20 jongfoster
49 * Version 2.9.4 checkin.
50 * - Merged popupfile and cookiefile, and added control over PCRS
51 * filtering, in new "permissionsfile".
52 * - Implemented LOG_LEVEL_FATAL, so that if there is a configuration
53 * file error you now get a message box (in the Win32 GUI) rather
54 * than the program exiting with no explanation.
55 * - Made killpopup use the PCRS MIME-type checking and HTTP-header
57 * - Removed tabs from "config"
58 * - Moved duplicated url parsing code in "loaders.c" to a new funcition.
59 * - Bumped up version number.
61 * Revision 1.1.1.1 2001/05/15 13:58:58 oes
62 * Initial import of version 2.9.3 source tree
65 *********************************************************************/
72 #include <sys/types.h>
84 #include "killpopup.h"
88 const char killpopup_h_rcs[] = KILLPOPUP_H_VERSION;
92 /*********************************************************************
94 * Function : filter_popups
96 * Description : Filter the block of data that's been read from the server.
97 * Caller is responsible for checking permissons list
98 * to determine if this function should be called.
99 * Remember not to change the content length (substitute char by char)
102 * 1 : buff = Buffer to scan and modify. Null terminated.
103 * 2 : size = Buffer size, excluding null terminator.
107 *********************************************************************/
108 void filter_popups(char *buff, int size)
114 while ((popup = strstr( buff, "window.open(" )) != NULL)
119 * replace the window.open( with a harmless JavaScript replacement (notice the two single quotes)
120 * Guy's idea (thanks)
122 strncpy(popup, "1;''.concat(", 12);
123 log_error(LOG_LEVEL_POPUPS, "Blocked popup window open");
127 while ((popup = strstr( buff, ".resizeTo(" )) != NULL)
132 * replace the .resizeTo( with a harmless JavaScript replacement
133 * Guy's idea (thanks)
135 strncpy(popup, ".scrollTo(", 10);
136 log_error(LOG_LEVEL_POPUPS, "Blocked popup window resize");
140 /* Filter all other crap like onUnload onExit etc. (by BREITENB) NEW!*/
141 popup=strstr( buff, "<body");
142 if (!popup) popup=strstr( buff, "<BODY");
143 if (!popup) popup=strstr( buff, "<Body");
144 if (!popup) popup=strstr( buff, "<BOdy");
147 close=strchr(popup,'>');
150 /* we are now between <body and the ending > FIXME: No, we're anywhere! --oes*/
151 p=strstr(popup, "onUnload");
156 p=strstr(popup, "onExit");
166 #endif /* def KILLPOPUPS */