251 lines
9.9 KiB
C
251 lines
9.9 KiB
C
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#ifndef LOADERS_H_INCLUDED
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#define LOADERS_H_INCLUDED
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#define LOADERS_H_VERSION "$Id: loaders.h,v 1.23 2008/03/30 14:52:10 fabiankeil Exp $"
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/*********************************************************************
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*
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* File : $Source: /cvsroot/ijbswa/current/loaders.h,v $
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*
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* Purpose : Functions to load and unload the various
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* configuration files. Also contains code to manage
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* the list of active loaders, and to automatically
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* unload files that are no longer in use.
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*
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* Copyright : Written by and Copyright (C) 2001 the SourceForge
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* Privoxy team. http://www.privoxy.org/
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*
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* Based on the Internet Junkbuster originally written
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* by and Copyright (C) 1997 Anonymous Coders and
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* Junkbusters Corporation. http://www.junkbusters.com
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will
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* be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* The GNU General Public License should be included with
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* this file. If not, you can view it at
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* http://www.gnu.org/copyleft/gpl.html
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* or write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Revisions :
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* $Log: loaders.h,v $
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* Revision 1.23 2008/03/30 14:52:10 fabiankeil
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* Rename load_actions_file() and load_re_filterfile()
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* as they load multiple files "now".
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*
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* Revision 1.22 2007/06/01 14:12:38 fabiankeil
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* Add unload_forward_spec() in preparation for forward-override{}.
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*
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* Revision 1.21 2006/07/18 14:48:46 david__schmidt
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* Reorganizing the repository: swapping out what was HEAD (the old 3.1 branch)
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* with what was really the latest development (the v_3_0_branch branch)
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*
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* Revision 1.19 2002/03/26 22:29:55 swa
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* we have a new homepage!
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*
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* Revision 1.18 2002/03/24 13:25:43 swa
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* name change related issues
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*
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* Revision 1.17 2002/03/16 23:54:06 jongfoster
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* Adding graceful termination feature, to help look for memory leaks.
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* If you enable this (which, by design, has to be done by hand
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* editing config.h) and then go to http://i.j.b/die, then the program
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* will exit cleanly after the *next* request. It should free all the
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* memory that was used.
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*
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* Revision 1.16 2002/03/07 03:46:17 oes
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* Fixed compiler warnings
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*
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* Revision 1.15 2002/01/22 23:46:18 jongfoster
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* Moving edit_read_line() and simple_read_line() to loaders.c, and
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* extending them to support reading MS-DOS, Mac and UNIX style files
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* on all platforms.
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*
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* Modifying read_config_line() (without changing it's prototype) to
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* be a trivial wrapper for edit_read_line(). This means that we have
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* one function to read a line and handle comments, which is common
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* between the initialization code and the edit interface.
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*
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* Revision 1.14 2002/01/17 21:03:08 jongfoster
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* Moving all our URL and URL pattern parsing code to urlmatch.c.
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*
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* Renaming free_url to free_url_spec, since it frees a struct url_spec.
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*
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* Revision 1.13 2001/12/30 14:07:32 steudten
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* - Add signal handling (unix)
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* - Add SIGHUP handler (unix)
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* - Add creation of pidfile (unix)
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* - Add action 'top' in rc file (RH)
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* - Add entry 'SIGNALS' to manpage
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* - Add exit message to logfile (unix)
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*
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* Revision 1.12 2001/11/07 00:02:13 steudten
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* Add line number in error output for lineparsing for
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* actionsfile and configfile.
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* Special handling for CLF added.
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*
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* Revision 1.11 2001/10/23 21:38:53 jongfoster
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* Adding error-checking to create_url_spec()
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*
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* Revision 1.10 2001/09/22 16:36:59 jongfoster
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* Removing unused parameter fs from read_config_line()
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*
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* Revision 1.9 2001/07/30 22:08:36 jongfoster
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* Tidying up #defines:
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* - All feature #defines are now of the form FEATURE_xxx
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* - Permanently turned off WIN_GUI_EDIT
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* - Permanently turned on WEBDAV and SPLIT_PROXY_ARGS
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*
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* Revision 1.8 2001/07/29 18:58:15 jongfoster
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* Removing nested #includes, adding forward declarations for needed
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* structures, and changing the #define _FILENAME_H to FILENAME_H_INCLUDED.
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*
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* Revision 1.7 2001/07/13 14:01:54 oes
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* Removed all #ifdef PCRS
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*
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* Revision 1.6 2001/06/07 23:14:38 jongfoster
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* Removing ACL and forward file loaders - these files have
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* been merged into the config file.
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*
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* Revision 1.5 2001/05/31 21:28:49 jongfoster
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* Removed all permissionsfile code - it's now called the actions
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* file, and (almost) all the code is in actions.c
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*
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* Revision 1.4 2001/05/29 09:50:24 jongfoster
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* Unified blocklist/imagelist/permissionslist.
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* File format is still under discussion, but the internal changes
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* are (mostly) done.
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*
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* Also modified interceptor behaviour:
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* - We now intercept all URLs beginning with one of the following
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* prefixes (and *only* these prefixes):
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* * http://i.j.b/
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* * http://ijbswa.sf.net/config/
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* * http://ijbswa.sourceforge.net/config/
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* - New interceptors "home page" - go to http://i.j.b/ to see it.
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* - Internal changes so that intercepted and fast redirect pages
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* are not replaced with an image.
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* - Interceptors now have the option to send a binary page direct
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* to the client. (i.e. ijb-send-banner uses this)
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* - Implemented show-url-info interceptor. (Which is why I needed
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* the above interceptors changes - a typical URL is
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* "http://i.j.b/show-url-info?url=www.somesite.com/banner.gif".
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* The previous mechanism would not have intercepted that, and
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* if it had been intercepted then it then it would have replaced
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* it with an image.)
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*
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* Revision 1.3 2001/05/26 00:28:36 jongfoster
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* Automatic reloading of config file.
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* Removed obsolete SIGHUP support (Unix) and Reload menu option (Win32).
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* Most of the global variables have been moved to a new
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* struct configuration_spec, accessed through csp->config->globalname
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* Most of the globals remaining are used by the Win32 GUI.
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*
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* Revision 1.2 2001/05/20 01:21:20 jongfoster
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* Version 2.9.4 checkin.
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* - Merged popupfile and cookiefile, and added control over PCRS
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* filtering, in new "permissionsfile".
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* - Implemented LOG_LEVEL_FATAL, so that if there is a configuration
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* file error you now get a message box (in the Win32 GUI) rather
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* than the program exiting with no explanation.
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* - Made killpopup use the PCRS MIME-type checking and HTTP-header
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* skipping.
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* - Removed tabs from "config"
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* - Moved duplicated url parsing code in "loaders.c" to a new funcition.
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* - Bumped up version number.
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*
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* Revision 1.1.1.1 2001/05/15 13:59:00 oes
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* Initial import of version 2.9.3 source tree
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*
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*
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*********************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Structures taken from project.h */
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struct client_state;
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struct file_list;
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struct configuration_spec;
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struct url_spec;
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extern void sweep(void);
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extern char *read_config_line(char *buf, size_t buflen, FILE *fp, unsigned long *linenum);
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extern int check_file_changed(const struct file_list * current,
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const char * filename,
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struct file_list ** newfl);
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extern jb_err edit_read_line(FILE *fp,
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char **raw_out,
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char **prefix_out,
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char **data_out,
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int *newline,
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unsigned long *line_number);
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extern jb_err simple_read_line(FILE *fp, char **dest, int *newline);
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/*
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* Various types of newlines that a file may contain.
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*/
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#define NEWLINE_UNKNOWN 0 /* Newline convention in file is unknown */
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#define NEWLINE_UNIX 1 /* Newline convention in file is '\n' (ASCII 10) */
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#define NEWLINE_DOS 2 /* Newline convention in file is '\r\n' (ASCII 13,10) */
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#define NEWLINE_MAC 3 /* Newline convention in file is '\r' (ASCII 13) */
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/*
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* Types of newlines that a file may contain, as strings. If you have an
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* extremely wierd compiler that does not have '\r' == CR == ASCII 13 and
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* '\n' == LF == ASCII 10), then fix CHAR_CR and CHAR_LF in loaders.c as
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* well as these definitions.
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*/
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#define NEWLINE(style) ((style)==NEWLINE_DOS ? "\r\n" : \
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((style)==NEWLINE_MAC ? "\r" : "\n"))
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extern short int MustReload;
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extern int load_action_files(struct client_state *csp);
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extern int load_re_filterfiles(struct client_state *csp);
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#ifdef FEATURE_TRUST
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extern int load_trustfile(struct client_state *csp);
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#endif /* def FEATURE_TRUST */
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#ifdef FEATURE_GRACEFUL_TERMINATION
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#ifdef FEATURE_TRUST
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void unload_current_trust_file(void);
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#endif
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void unload_current_re_filterfile(void);
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#endif /* FEATURE_GRACEFUL_TERMINATION */
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void unload_forward_spec(struct forward_spec *fwd);
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extern void add_loader(int (*loader)(struct client_state *),
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struct configuration_spec * config);
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extern int run_loader(struct client_state *csp);
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/* Revision control strings from this header and associated .c file */
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extern const char loaders_rcs[];
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extern const char loaders_h_rcs[];
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* ndef LOADERS_H_INCLUDED */
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/*
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Local Variables:
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tab-width: 3
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end:
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*/
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