#ifndef FILTERS_H_INCLUDED
#define FILTERS_H_INCLUDED
-#define FILTERS_H_VERSION "$Id: filters.h,v 1.11 2001/07/13 14:00:18 oes Exp $"
+#define FILTERS_H_VERSION "$Id: filters.h,v 1.20.2.2 2004/10/03 12:53:32 david__schmidt Exp $"
/*********************************************************************
*
- * File : $Source: /cvsroot/ijbswa/current/filters.h,v $
+ * File : $Source: /cvsroot/ijbswa/current/Attic/filters.h,v $
*
* Purpose : Declares functions to parse/crunch headers and pages.
* Functions declared include:
* `acl_addr', `add_stats', `block_acl', `block_imageurl',
- * `block_url', `url_actions', `domaincmp', `dsplit',
- * `filter_popups', `forward_url'
+ * `block_url', `url_actions', `filter_popups', `forward_url'
* `ij_untrusted_url', `intercept_url', `re_process_buffer',
* `show_proxy_args', and `trust_url'
*
- * Copyright : Written by and Copyright (C) 2001 the SourceForge
- * IJBSWA team. http://ijbswa.sourceforge.net
+ * Copyright : Written by and Copyright (C) 2001, 2004 the SourceForge
+ * Privoxy team. http://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
* by and Copyright (C) 1997 Anonymous Coders and
*
* Revisions :
* $Log: filters.h,v $
+ * Revision 1.20.2.2 2004/10/03 12:53:32 david__schmidt
+ * Add the ability to check jpeg images for invalid
+ * lengths of comment blocks. Defensive strategy
+ * against the exploit:
+ * Microsoft Security Bulletin MS04-028
+ * Buffer Overrun in JPEG Processing (GDI+) Could
+ * Allow Code Execution (833987)
+ * Enabled with +inspect-jpegs in actions files.
+ *
+ * Revision 1.20.2.1 2002/09/25 14:51:51 oes
+ * Added basic support for OPTIONS and TRACE HTTP methods:
+ * New function direct_response which handles OPTIONS and
+ * TRACE requests whose Max-Forwards header field is zero.
+ *
+ * Revision 1.20 2002/04/02 14:56:16 oes
+ * Bugfix: is_untrusted_url() and trust_url() now depend on FEATURE_TRUST, not FEATURE_COOKIE_JAR
+ *
+ * Revision 1.19 2002/03/26 22:29:54 swa
+ * we have a new homepage!
+ *
+ * Revision 1.18 2002/03/25 22:12:45 oes
+ * Added fix for undefined INADDR_NONE on Solaris by Bart Schelstraete
+ *
+ * Revision 1.17 2002/03/24 13:25:43 swa
+ * name change related issues
+ *
+ * Revision 1.16 2002/01/17 21:01:02 jongfoster
+ * Moving all our URL and URL pattern parsing code to urlmatch.c.
+ *
+ * Revision 1.15 2001/10/10 16:44:16 oes
+ * Added match_portlist function
+ *
+ * Revision 1.14 2001/10/07 15:41:40 oes
+ * Added prototype for remove_chunked_transfer_coding
+ *
+ * Revision 1.13 2001/07/30 22:08:36 jongfoster
+ * Tidying up #defines:
+ * - All feature #defines are now of the form FEATURE_xxx
+ * - Permanently turned off WIN_GUI_EDIT
+ * - Permanently turned on WEBDAV and SPLIT_PROXY_ARGS
+ *
+ * Revision 1.12 2001/07/29 19:01:11 jongfoster
+ * Changed _FILENAME_H to FILENAME_H_INCLUDED.
+ * Added forward declarations for needed structures.
+ *
* Revision 1.11 2001/07/13 14:00:18 oes
* - Introduced gif_deanimate_response
* - Renamed re_process_buffer to pcrs_filter_response
/*
* ACL checking
*/
-#ifdef ACL_FILES
+#ifdef FEATURE_ACL
extern int block_acl(struct access_control_addr *dst, struct client_state *csp);
extern int acl_addr(char *aspec, struct access_control_addr *aca);
-#endif /* def ACL_FILES */
+#endif /* def FEATURE_ACL */
+extern int match_portlist(const char *portlist, int port);
/*
* Interceptors
*/
extern struct http_response *block_url(struct client_state *csp);
extern struct http_response *redirect_url(struct client_state *csp);
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
extern struct http_response *trust_url(struct client_state *csp);
-#endif /* def TRUST_FILES */
+#endif /* def FEATURE_TRUST */
/*
* Request inspectors
*/
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
extern int is_untrusted_url(struct client_state *csp);
-#endif /* def TRUST_FILES */
-#ifdef IMAGE_BLOCKING
+#endif /* def FEATURE_TRUST */
+#ifdef FEATURE_IMAGE_BLOCKING
extern int is_imageurl(struct client_state *csp);
-#endif /* def IMAGE_BLOCKING */
+#endif /* def FEATURE_IMAGE_BLOCKING */
/*
* Determining applicable actions
*/
extern const struct forward_spec *forward_url(struct http_request *http, struct client_state *csp);
-extern struct url_spec dsplit(char *domain);
-extern int domaincmp(struct url_spec *pattern, struct url_spec *fqdn);
-
/*
* Content modification
*/
extern char *pcrs_filter_response(struct client_state *csp);
extern char *gif_deanimate_response(struct client_state *csp);
+extern char *jpeg_inspect_response(struct client_state *csp);
+extern int remove_chunked_transfer_coding(char *buffer, const size_t size);
+
+/*
+ * Handling Max-Forwards:
+ */
+extern struct http_response *direct_response( struct client_state *csp);
+
+
+/*
+ * Solaris fix:
+ */
+#ifndef INADDR_NONE
+#define INADDR_NONE -1
+#endif
/*
* Revision control strings from this header and associated .c file