X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=filters.h;h=a113afadc2036acbdac7c9e9961760add7ca362b;hp=68af5195b1244657d648a6ab42f917600951a19a;hb=5e64295a7ed3662f734abfb34d50a0f1a9dc5377;hpb=c75584ebcc79f939fb4ec9c8f842cef6692640c7 diff --git a/filters.h b/filters.h index 68af5195..a113afad 100644 --- a/filters.h +++ b/filters.h @@ -1,14 +1,14 @@ #ifndef _FILTERS_H #define _FILTERS_H -#define FILTERS_H_VERSION "$Id: filters.h,v 1.1 2001/05/13 21:57:06 administrator Exp $" +#define FILTERS_H_VERSION "$Id: filters.h,v 1.8 2001/06/03 11:03:48 oes Exp $" /********************************************************************* * - * File : $Source: /home/administrator/cvs/ijb/filters.h,v $ + * File : $Source: /cvsroot/ijbswa/current/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', `cookie_url', `domaincmp', `dsplit', + * `block_url', `url_actions', `domaincmp', `dsplit', * `filter_popups', `forward_url' * `ij_untrusted_url', `intercept_url', `re_process_buffer', * `show_proxy_args', and `trust_url' @@ -40,9 +40,169 @@ * * Revisions : * $Log: filters.h,v $ + * Revision 1.8 2001/06/03 11:03:48 oes + * Makefile/in + * + * introduced cgi.c + * + * actions.c: + * + * adapted to new enlist_unique arg format + * + * conf loadcfg.c + * + * introduced confdir option + * + * filters.c filtrers.h + * + * extracted-CGI relevant stuff + * + * jbsockets.c + * + * filled comment + * + * jcc.c + * + * support for new cgi mechansim + * + * list.c list.h + * + * functions for new list type: "map" + * extended enlist_unique + * + * miscutil.c .h + * introduced bindup() + * + * parsers.c parsers.h + * + * deleted const struct interceptors + * + * pcrs.c + * added FIXME + * + * project.h + * + * added struct map + * added struct http_response + * changes struct interceptors to struct cgi_dispatcher + * moved HTML stuff to cgi.h + * + * re_filterfile: + * + * changed + * + * showargs.c + * NO TIME LEFT + * + * Revision 1.7 2001/05/31 21:21:30 jongfoster + * Permissionsfile / actions file changes: + * - Changed "permission" to "action" throughout + * - changes to file format to allow string parameters + * - Moved helper functions to actions.c + * + * Revision 1.6 2001/05/29 09:50:24 jongfoster + * Unified blocklist/imagelist/permissionslist. + * File format is still under discussion, but the internal changes + * are (mostly) done. + * + * Also modified interceptor behaviour: + * - We now intercept all URLs beginning with one of the following + * prefixes (and *only* these prefixes): + * * http://i.j.b/ + * * http://ijbswa.sf.net/config/ + * * http://ijbswa.sourceforge.net/config/ + * - New interceptors "home page" - go to http://i.j.b/ to see it. + * - Internal changes so that intercepted and fast redirect pages + * are not replaced with an image. + * - Interceptors now have the option to send a binary page direct + * to the client. (i.e. ijb-send-banner uses this) + * - Implemented show-url-info interceptor. (Which is why I needed + * the above interceptors changes - a typical URL is + * "http://i.j.b/show-url-info?url=www.somesite.com/banner.gif". + * The previous mechanism would not have intercepted that, and + * if it had been intercepted then it then it would have replaced + * it with an image.) + * + * Revision 1.5 2001/05/27 22:17:04 oes + * + * - re_process_buffer no longer writes the modified buffer + * to the client, which was very ugly. It now returns the + * buffer, which it is then written by chat. + * + * - content_length now adjusts the Content-Length: header + * for modified documents rather than crunch()ing it. + * (Length info in csp->content_length, which is 0 for + * unmodified documents) + * + * - For this to work, sed() is called twice when filtering. + * + * Revision 1.4 2001/05/26 15:26:15 jongfoster + * ACL feature now provides more security by immediately dropping + * connections from untrusted hosts. + * + * Revision 1.3 2001/05/22 18:46:04 oes + * + * - Enabled filtering banners by size rather than URL + * by adding patterns that replace all standard banner + * sizes with the "Junkbuster" gif to the re_filterfile + * + * - Enabled filtering WebBugs by providing a pattern + * which kills all 1x1 images + * + * - Added support for PCRE_UNGREEDY behaviour to pcrs, + * which is selected by the (nonstandard and therefore + * capital) letter 'U' in the option string. + * It causes the quantifiers to be ungreedy by default. + * Appending a ? turns back to greedy (!). + * + * - Added a new interceptor ijb-send-banner, which + * sends back the "Junkbuster" gif. Without imagelist or + * MSIE detection support, or if tinygif = 1, or the + * URL isn't recognized as an imageurl, a lame HTML + * explanation is sent instead. + * + * - Added new feature, which permits blocking remote + * script redirects and firing back a local redirect + * to the browser. + * The feature is conditionally compiled, i.e. it + * can be disabled with --disable-fast-redirects, + * plus it must be activated by a "fast-redirects" + * line in the config file, has its own log level + * and of course wants to be displayed by show-proxy-args + * Note: Boy, all the #ifdefs in 1001 locations and + * all the fumbling with configure.in and acconfig.h + * were *way* more work than the feature itself :-( + * + * - Because a generic redirect template was needed for + * this, tinygif = 3 now uses the same. + * + * - Moved GIFs, and other static HTTP response templates + * to project.h + * + * - Some minor fixes + * + * - Removed some >400 CRs again (Jon, you really worked + * a lot! ;-) + * + * Revision 1.2 2001/05/20 01:21:20 jongfoster + * Version 2.9.4 checkin. + * - Merged popupfile and cookiefile, and added control over PCRS + * filtering, in new "permissionsfile". + * - Implemented LOG_LEVEL_FATAL, so that if there is a configuration + * file error you now get a message box (in the Win32 GUI) rather + * than the program exiting with no explanation. + * - Made killpopup use the PCRS MIME-type checking and HTTP-header + * skipping. + * - Removed tabs from "config" + * - Moved duplicated url parsing code in "loaders.c" to a new funcition. + * - Bumped up version number. + * + * Revision 1.1.1.1 2001/05/15 13:58:52 oes + * Initial import of version 2.9.3 source tree + * * *********************************************************************/ - + #include "project.h" @@ -51,7 +211,7 @@ extern "C" { #endif #ifdef ACL_FILES -extern int block_acl(struct access_control_addr *src, struct access_control_addr *dst, struct client_state *csp); +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 */ @@ -59,34 +219,23 @@ extern char *block_url(struct http_request *http, struct client_state *csp); #ifdef TRUST_FILES extern char *trust_url(struct http_request *http, struct client_state *csp); #endif /* def TRUST_FILES */ -extern char *intercept_url(struct http_request *http, struct client_state *csp); - -#if defined(DETECT_MSIE_IMAGES) || defined(USE_IMAGE_LIST) +#ifdef IMAGE_BLOCKING extern int block_imageurl(struct http_request *http, struct client_state *csp); -#endif /* defined(DETECT_MSIE_IMAGES) || defined(USE_IMAGE_LIST) */ +#endif /* def IMAGE_BLOCKING */ -#ifdef USE_IMAGE_LIST -extern int block_imageurl_using_imagelist(struct http_request *http, struct client_state *csp); -#endif /* def USE_IMAGE_LIST */ +extern void url_actions(struct http_request *http, + struct client_state *csp); +extern void apply_url_actions(struct current_action_spec *action, + struct http_request *http, + struct url_actions *b); -extern struct cookie_spec *cookie_url(struct http_request *http, struct client_state *csp); extern const struct gateway *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); -extern char *show_proxy_args(struct http_request *http, struct client_state *csp); - -#ifdef TRUST_FILES -extern char *ij_untrusted_url(struct http_request *http, struct client_state *csp); -#endif /* def TRUST_FILES */ - -#ifdef STATISTICS -extern char *add_stats(char *s); -#endif /* def STATISTICS */ - #ifdef PCRS -extern void re_process_buffer(struct client_state *csp); +extern char *re_process_buffer(struct client_state *csp); #endif /* def PCRS */ /* Revision control strings from this header and associated .c file */