Reorder need_bind in struct configuration_spec to save memory
[privoxy.git] / filters.h
index 68af519..e16a3ea 100644 (file)
--- a/filters.h
+++ b/filters.h
@@ -1,26 +1,19 @@
-#ifndef _FILTERS_H
-#define _FILTERS_H
-#define FILTERS_H_VERSION "$Id: filters.h,v 1.1 2001/05/13 21:57:06 administrator Exp $"
+#ifndef FILTERS_H_INCLUDED
+#define FILTERS_H_INCLUDED
 /*********************************************************************
  *
- * 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',
- *                   `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) 2001-2010 the
+ *                Privoxy team. https://www.privoxy.org/
  *
  *                Based on the Internet Junkbuster originally written
- *                by and Copyright (C) 1997 Anonymous Coders and 
+ *                by and Copyright (C) 1997 Anonymous Coders and
  *                Junkbusters Corporation.  http://www.junkbusters.com
  *
- *                This program is free software; you can redistribute it 
+ *                This program is free software; you can redistribute it
  *                and/or modify it under the terms of the GNU General
  *                Public License as published by the Free Software
  *                Foundation; either version 2 of the License, or (at
  *                or write to the Free Software Foundation, Inc., 59
  *                Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  *
- * Revisions   :
- *    $Log: filters.h,v $
- *
  *********************************************************************/
-\f\r
 
-#include "project.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include "project.h"
 
-#ifdef ACL_FILES
-extern int block_acl(struct access_control_addr *src, struct access_control_addr *dst, struct client_state *csp);
-extern int acl_addr(char *aspec, struct access_control_addr *aca);
-#endif /* def ACL_FILES */
+/*
+ * ACL checking
+ */
+#ifdef FEATURE_ACL
+extern int block_acl(const struct access_control_addr *dst, const struct client_state *csp);
+extern int acl_addr(const char *aspec, struct access_control_addr *aca);
+#endif /* def FEATURE_ACL */
 
-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);
+/*
+ * Interceptors
+ */
+extern struct http_response *block_url(struct client_state *csp);
+extern struct http_response *redirect_url(struct client_state *csp);
+#ifdef FEATURE_TRUST
+extern struct http_response *trust_url(struct client_state *csp);
+#endif /* def FEATURE_TRUST */
 
-#if defined(DETECT_MSIE_IMAGES) || defined(USE_IMAGE_LIST)
-extern int block_imageurl(struct http_request *http, struct client_state *csp);
-#endif /* defined(DETECT_MSIE_IMAGES) || defined(USE_IMAGE_LIST) */
+/*
+ * Request inspectors
+ */
+#ifdef FEATURE_TRUST
+extern int is_untrusted_url(const struct client_state *csp);
+#endif /* def FEATURE_TRUST */
+#ifdef FEATURE_IMAGE_BLOCKING
+extern int is_imageurl(const struct client_state *csp);
+#endif /* def FEATURE_IMAGE_BLOCKING */
+extern int connect_port_is_forbidden(const struct client_state *csp);
 
-#ifdef USE_IMAGE_LIST
-extern int block_imageurl_using_imagelist(struct http_request *http, struct client_state *csp);
-#endif /* def USE_IMAGE_LIST */
+/*
+ * Determining applicable actions
+ */
+extern void get_url_actions(struct client_state *csp,
+                            struct http_request *http);
 
-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 re_filterfile_spec *get_filter(const struct client_state *csp,
+                                             const char *requested_name,
+                                             enum filter_type requested_type);
 
-extern struct url_spec dsplit(char *domain);
-extern int domaincmp(struct url_spec *pattern, struct url_spec *fqdn);
+/*
+ * Determining parent proxies
+ */
+extern const struct forward_spec *forward_url(struct client_state *csp,
+                                              const struct http_request *http);
 
-extern char *show_proxy_args(struct http_request *http, struct client_state *csp);
+/*
+ * Content modification
+ */
+extern char *execute_content_filters(struct client_state *csp);
+extern char *execute_client_body_filters(struct client_state *csp, size_t *filtered_data_len);
+extern char *execute_single_pcrs_command(char *subject, const char *pcrs_command, int *hits);
+extern char *rewrite_url(char *old_url, const char *pcrs_command);
 
-#ifdef TRUST_FILES
-extern char *ij_untrusted_url(struct http_request *http, struct client_state *csp);
-#endif /* def TRUST_FILES */
+extern pcrs_job *compile_dynamic_pcrs_job_list(const struct client_state *csp, const struct re_filterfile_spec *b);
 
-#ifdef STATISTICS
-extern char *add_stats(char *s);
-#endif /* def STATISTICS */
+extern int content_requires_filtering(struct client_state *csp);
+extern int content_filters_enabled(const struct current_action_spec *action);
+extern int client_body_filters_enabled(const struct current_action_spec *action);
+extern int filters_available(const struct client_state *csp);
 
-#ifdef PCRS
-extern void re_process_buffer(struct client_state *csp);
-#endif /* def PCRS */
+/*
+ * Handling Max-Forwards:
+ */
+extern struct http_response *direct_response(struct client_state *csp);
 
-/* Revision control strings from this header and associated .c file */
-extern const char filters_rcs[];
-extern const char filters_h_rcs[];
+#ifdef FUZZ
+extern char *gif_deanimate_response(struct client_state *csp);
+extern jb_err remove_chunked_transfer_coding(char *buffer, size_t *size);
+#endif
 
-#ifdef __cplusplus
-} /* extern "C" */
+#ifdef FEATURE_EXTENDED_STATISTICS
+extern void register_filter_for_statistics(const char *filter);
+extern void update_filter_statistics(const char *filter, int hits);
+extern void get_filter_statistics(const char *filter,
+                                  unsigned long long *executions,
+                                  unsigned long long *pages_modified,
+                                  unsigned long long *hits);
+
+extern void register_block_reason_for_statistics(const char *block_reason);
+extern void get_block_reason_count(const char *block_reason,
+                                   unsigned long long *count);
 #endif
 
-#endif /* ndef _FILTERS_H */
+#endif /* ndef FILTERS_H_INCLUDED */
 
 /*
   Local Variables: