-#ifndef _PROJECT_H
-#define _PROJECT_H
-#define PROJECT_H_VERSION "$Id: project.h,v 1.15 2001/06/04 11:28:53 swa Exp $"
+#ifndef PROJECT_H_INCLUDED
+#define PROJECT_H_INCLUDED
+#define PROJECT_H_VERSION "$Id: project.h,v 1.42 2001/11/05 21:42:41 steudten Exp $"
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/project.h,v $
* IJBSWA team. http://ijbswa.sourceforge.net
*
* 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
*
* Revisions :
* $Log: project.h,v $
- * Revision 1.15 2001/06/04 11:28:53 swa
- * redirect did not work due to missing /
+ * Revision 1.42 2001/11/05 21:42:41 steudten
+ * Include DBG() macro.
*
- * Revision 1.14 2001/06/03 11:03:48 oes
- * Makefile/in
+ * Revision 1.41 2001/10/28 19:12:06 jongfoster
+ * Adding ijb_toupper()
*
- * introduced cgi.c
+ * Revision 1.40 2001/10/26 17:40:47 oes
+ * Moved ijb_isspace and ijb_tolower to project.h
+ * Removed http->user_agent, csp->referrer and csp->accept_types
*
- * actions.c:
+ * Revision 1.39 2001/10/25 03:45:02 david__schmidt
+ * Adding a (void*) cast to freez() because Visual Age C++ won't expand the
+ * macro when called with a cast; so moving the cast to the macro def'n
+ * seems to both eliminate compiler warnings (on darwin and OS/2, anyway) and
+ * doesn't make macro expansion complain. Hope this works for everyone else
+ * too...
*
- * adapted to new enlist_unique arg format
+ * Revision 1.38 2001/10/23 21:19:04 jongfoster
+ * New error-handling support: jb_err type and JB_ERR_xxx constants
+ * CGI functions now return a jb_err, and their parameters map is const.
+ * Support for RUNTIME_FEATUREs to enable/disable config editor
+ * Adding a few comments
*
- * conf loadcfg.c
+ * Revision 1.37 2001/10/14 22:14:01 jongfoster
+ * Removing name_length field from struct cgi_dispatcher, as this is
+ * now calculated at runtime from the "name" field.
*
- * introduced confdir option
+ * Revision 1.36 2001/10/10 16:45:15 oes
+ * Added LIMIT_CONNECT action and string
+ * Fixed HTTP message line termination
+ * Added CFORBIDDEN HTTP message
+ *
+ * Revision 1.35 2001/10/07 18:06:43 oes
+ * Added status member to struct http_request
*
- * filters.c filtrers.h
+ * Revision 1.34 2001/10/07 15:45:25 oes
+ * Added url member to struct http_request and commented all
+ * members
*
- * extracted-CGI relevant stuff
+ * Added CT_TABOO
*
- * jbsockets.c
+ * Added ACTION_DOWNGRADE and ACTION_NO_COMPRESSION
*
- * filled comment
+ * Replaced struct client_state members rejected,
+ * force, active and toggled_on with "flags" bitmap.
*
- * jcc.c
+ * Added CSP_FLAG_MODIFIED and CSP_FLAG_CHUNKED
*
- * support for new cgi mechansim
+ * Added buffer_limit to struct configuration_spec
*
- * list.c list.h
+ * Revision 1.33 2001/09/20 13:30:08 steudten
*
- * functions for new list type: "map"
- * extended enlist_unique
+ * Make freez() more secure in case of: if (exp) { free(z) ; a=*z }
+ * Last case will set z to NULL in free(z) and thats bad..
*
- * miscutil.c .h
- * introduced bindup()
+ * Revision 1.32 2001/09/16 23:02:51 jongfoster
+ * Fixing warning
*
- * parsers.c parsers.h
+ * Revision 1.31 2001/09/16 13:20:29 jongfoster
+ * Rewrite of list library. Now has seperate header and list_entry
+ * structures. Also added a large sprinking of assert()s to the list
+ * code.
*
- * deleted const struct interceptors
+ * Revision 1.30 2001/09/13 23:52:00 jongfoster
+ * Support for both static and dynamically generated CGI pages
*
- * pcrs.c
- * added FIXME
+ * Revision 1.29 2001/09/13 23:29:43 jongfoster
+ * Defining FORWARD_SPEC_INITIALIZER
*
- * project.h
+ * Revision 1.28 2001/09/13 23:05:50 jongfoster
+ * Changing the string paramater to the header parsers a "const".
*
- * added struct map
- * added struct http_response
- * changes struct interceptors to struct cgi_dispatcher
- * moved HTML stuff to cgi.h
+ * Revision 1.27 2001/08/05 16:06:20 jongfoster
+ * Modifiying "struct map" so that there are now separate header and
+ * "map_entry" structures. This means that functions which modify a
+ * map no longer need to return a pointer to the modified map.
+ * Also, it no longer reverses the order of the entries (which may be
+ * important with some advanced template substitutions).
+ *
+ * Revision 1.26 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 1.25 2001/07/29 18:43:08 jongfoster
+ * Changing #ifdef _FILENAME_H to FILENAME_H_INCLUDED, to conform to
+ * ANSI C rules.
+ *
+ * Revision 1.24 2001/07/25 17:20:27 oes
+ * Introduced http->user_agent
+ *
+ * Revision 1.23 2001/07/18 12:32:23 oes
+ * - Added ACTION_STRING_DEANIMATE
+ * - moved #define freez from jcc.h to project.h
+ *
+ * Revision 1.22 2001/07/15 17:51:41 jongfoster
+ * Renaming #define STATIC to STATIC_PCRE
*
- * re_filterfile:
+ * Revision 1.21 2001/07/13 14:03:19 oes
+ * - Reorganized regex header inclusion and #defines to
+ * comply to the scheme in configure.in
+ * - Added csp->content_type and its CT_* keys
+ * - Added ACTION_DEANIMATE
+ * - Removed all #ifdef PCRS
*
- * changed
+ * Revision 1.20 2001/06/29 21:45:41 oes
+ * Indentation, CRLF->LF, Tab-> Space
*
- * showargs.c
- * NO TIME LEFT
+ * Revision 1.19 2001/06/29 13:33:36 oes
+ * - Improved comments
+ * - Introduced http_request.host_ip_addr_str
+ * - Introduced http_response.head_length
+ * - Introduced config.my_ip_addr_str, config.my_hostname,
+ * config.admin_address and config.proxy_info_url
+ * - Removed config.proxy_args_header and config.proxy_args_trailer,
+ * renamed config.proxy_args_invocation to config.proxy_args
+ * - Removed HTML snipplets and GIFs
+ * - Removed logentry from cancelled commit
+ *
+ * Revision 1.18 2001/06/09 10:57:39 jongfoster
+ * Adding definition of BUFFER_SIZE.
+ * Changing struct cgi_dispatcher to use "const" strings.
+ *
+ * Revision 1.17 2001/06/07 23:15:09 jongfoster
+ * Merging ACL and forward files into config file.
+ * Moving struct gateway members into struct forward_spec
+ * Removing config->proxy_args_gateways
+ * Cosmetic: Adding a few comments
+ *
+ * Revision 1.16 2001/06/04 18:31:58 swa
+ * files are now prefixed with either `confdir' or `logdir'.
+ * `make redhat-dist' replaces both entries confdir and logdir
+ * with redhat values
+ *
+ * Revision 1.15 2001/06/04 11:28:53 swa
+ * redirect did not work due to missing /
+ *
+ * Revision 1.14 2001/06/03 11:03:48 oes
+ * Added struct map,
+ * added struct http_response,
+ * changed struct interceptors to struct cgi_dispatcher,
+ * moved HTML stuff to cgi.h
*
* Revision 1.13 2001/06/01 20:05:36 jongfoster
* Support for +image-blocker{}: added ACTION_IMAGE_BLOCKER
/*
* Include appropriate regular expression libraries.
- *
- * PCRS ==> Include pcre
- * REGEX && PCRE ==> Include pcre and pcreposix
- * REGEX && !PCRE ==> Include gnu_regex
- *
- * STATIC ==> Use #include "pcre.h" (compiling at same time)
- * !STATIC ==> Use #include <pcre.h> (System library)
- *
+ * Note that pcrs and pcre (native) are needed for cgi
+ * and are included anyway.
*/
-#if (defined(REGEX) && defined(PCRE)) || defined(PCRS)
-# ifdef STATIC
-# include "pcre.h"
-# else
-# include <pcre.h>
-# endif
-#endif /* (defined(REGEX) && defined(PCRE)) || defined(PCRS) */
-#if defined(REGEX) && defined(PCRE)
-# ifdef STATIC
+#if defined(REGEX_PCRE) || defined (REGEX_GNU)
+# define REGEX
+#endif /* defined(REGEX_PCRE) || defined (REGEX_GNU) */
+
+#ifdef STATIC_PCRE
+# include "pcre.h"
+#else
+# include <pcre.h>
+#endif
+
+#ifdef STATIC_PCRS
+# include "pcrs.h"
+#else
+# include <pcrs.h>
+#endif
+
+#if defined(REGEX_PCRE)
+# ifdef STATIC_PCRE
# include "pcreposix.h"
# else
# include <pcreposix.h>
# endif
-#endif /* defined(REGEX) && defined(PCRE) */
+#endif /* defined(REGEX_PCRE) */
-#if defined(REGEX) && !defined(PCRE)
+#if defined(REGEX_GNU)
# include "gnu_regex.h"
#endif
-#ifdef PCRS
-#include "pcrs.h"
-#endif /* def PCRS */
-
-#ifdef AMIGA
-#include "amiga.h"
+#ifdef AMIGA
+#include "amiga.h"
#endif /* def AMIGA */
#ifdef __cplusplus
extern "C" {
#endif
+#ifdef _DEBUG
+extern int ldebug;
+#define DBG(a,b) { if ( ldebug >= a ) { printf b ; }}
+#else
+#define DBG(a,b)
+#endif /* _DEBUG */
+
+
+
+/*
+ * Error codes. Functions returning these should return a jb_err
+ */
+#define JB_ERR_OK 0 /* Success, no error */
+#define JB_ERR_MEMORY 1 /* Out of memory */
+#define JB_ERR_CGI_PARAMS 2 /* Missing or corrupt CGI parameters */
+#define JB_ERR_FILE 3 /* Error opening, reading or writing a file */
+#define JB_ERR_PARSE 4 /* Error parsing file */
+#define JB_ERR_MODIFIED 5 /* File has been modified outside of the */
+ /* CGI actions editor. */
+typedef int jb_err;
+
+
+/*
+ * This macro is used to free a pointer that may be NULL
+ */
+#define freez(X) { if(X) { free((void*)X); X = NULL ; } }
+
+
+/* Fix a problem with Solaris. There should be no effect on other
+ * platforms.
+ * Solaris's isspace() is a macro which uses it's argument directly
+ * as an array index. Therefore we need to make sure that high-bit
+ * characters generate +ve values, and ideally we also want to make
+ * the argument match the declared parameter type of "int".
+ *
+ * Note: Remember to #include <ctype.h> if you use these macros.
+ */
+#define ijb_toupper(__X) toupper((int)(unsigned char)(__X))
+#define ijb_tolower(__X) tolower((int)(unsigned char)(__X))
+#define ijb_isspace(__X) isspace((int)(unsigned char)(__X))
+
+/*
+ * Use for statically allocated buffers if you have no other choice.
+ * Remember to check the length of what you write into the buffer
+ * - we don't want any buffer overflows!
+ */
+#define BUFFER_SIZE 5000
+
+/*
+ * So you can say "while (FOREVER) { ...do something... }"
+ */
#define FOREVER 1
/* Default IP and port to listen on */
#define HADDR_PORT 8000
-/* Need this for struct gateway */
-struct client_state;
+/* Forward defs for various structures */
/* Need this for struct client_state */
struct configuration_spec;
+
/* Generic linked list of strings */
-struct list /* FIXME: Why not separate entries and header? */
+
+struct list_entry
{
- char * str; /* valid in an entry */
- struct list *last; /* valid in header */
- struct list *next;
+ const char *str;
+ struct list_entry *next;
};
-struct map
+struct list
{
- char *name;
- char *value;
- struct map *next;
+ struct list_entry *first;
+ struct list_entry *last;
};
-/* Generic linked list of strings */
-struct list_share /* FIXME: Why not separate entries and header? */
+/* A map from a string to another string */
+
+struct map_entry
+{
+ const char *name;
+ const char *value;
+ struct map_entry *next;
+};
+
+struct map
{
- const char * str; /* valid in an entry */
- struct list_share *last; /* valid in header */
- struct list_share *next;
+ struct map_entry *first;
+ struct map_entry *last;
};
+
struct http_request
{
- char *cmd;
- char *gpc;
- char *host;
- int port;
- char *path;
- char *ver;
- char *hostport; /* "host[:port]" */
- int ssl;
+ char *cmd; /* Whole command line: method, URL, Version */
+ char *gpc; /* HTTP method: GET, POST, .. */
+ char *url; /* The URL */
+ char *ver; /* Protocol version */
+ int status; /* HTTP Status */
+
+ char *host; /* Host part of URL */
+ int port; /* Port of URL or 80 (default) */
+ char *path; /* Path of URL */
+ char *hostport; /* host[:port] */
+ int ssl; /* Flag if protocol is https */
+
+ char *host_ip_addr_str; /* String with dotted decimal representation
+ * of host's IP. NULL before connect_to() */
};
-/* CGI or blocker generated response */
+/* Response generated by CGI, blocker, or error handler */
struct http_response
{
- char *status; /* HTTP status */
+ char *status; /* HTTP status (string)*/
struct list headers[1]; /* List of header lines */
- int content_length; /* Length of body, REQUIRED if binary body*/
char *head; /* Formatted http response head */
+ int head_length; /* Length of http response head */
char *body; /* HTTP document body */
+ int content_length; /* Length of body, REQUIRED if binary body */
+ int is_static; /* Nonzero if the content will never change and
+ * should be cached by the broser (e.g. images) */
};
-
-struct gateway
-{
- /* generic attributes */
- char *name;
- int (*conn)(const struct gateway *, struct http_request *, struct client_state *);
- int type;
-
- /* domain specific attributes */
- char *gateway_host;
- int gateway_port;
-
- char *forward_host;
- int forward_port;
-};
-
/* A URL pattern */
struct url_spec
{
- char *spec;
- char *domain; /* fqdn */
- char *dbuf;
- char **dvec; /* Domain ptr vector */
- int dcnt; /* How many domains in fqdn? */
- int unanchored; /* bitmap 0: left, 1: right */
-
- char *path;
- int pathlen;
- int port;
+ char *spec; /* The string which was parsed to produce this */
+ /* url_spec. Used for debugging or display only. */
+
+ /* Hostname matching: */
+ char *domain; /* Fully qalified domain name (FQDN) pattern. */
+ /* May contain "*". */
+ char *dbuf; /* Buffer with '\0'-delimited fqdn */
+ char **dvec; /* Domain ptr vector into dbuf */
+ int dcnt; /* How many domains in fqdn? */
+ int unanchored; /* Bitmap - flags are ANCHOR_LEFT and ANCHOR_RIGHT */
+
+ /* Port matching: */
+ int port; /* The port number, or 0 to match all ports. */
+
+ /* Path matching: */
+ char *path; /* The path prefix (if not using regex), or source */
+ /* for the regex. */
+ int pathlen; /* ==strlen(path). Needed for prefix matching. */
#ifdef REGEX
- regex_t *preg;
+ regex_t *preg; /* Regex for matching path part */
#endif
};
+#ifdef REGEX
+#define URL_SPEC_INITIALIZER { NULL, NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL }
+#else /* ifndef REGEX */
+#define URL_SPEC_INITIALIZER { NULL, NULL, NULL, NULL, 0, 0, 0, NULL, 0 }
+#endif /* ndef REGEX */
+/* Constants for host part matching in URLs */
#define ANCHOR_LEFT 1
#define ANCHOR_RIGHT 2
-
/* An I/O buffer */
struct iob
{
#define IOB_PEEK(CSP) ((CSP->iob->cur > CSP->iob->eod) ? (CSP->iob->eod - CSP->iob->cur) : 0)
#define IOB_RESET(CSP) if(CSP->iob->buf) free(CSP->iob->buf); memset(CSP->iob, '\0', sizeof(CSP->iob));
-
+/* Keys for csp->content_type */
+#define CT_TEXT 1 /* Suitable for pcrs filtering */
+#define CT_GIF 2 /* Suitable for GIF filtering */
+#define CT_TABOO 3 /* DONT filter */
#define ACTION_MASK_ALL (~0U)
-#define ACTION_MOST_COMPATIBLE 0U
-
-#define ACTION_BLOCK 0x0001U
-#define ACTION_FAST_REDIRECTS 0x0002U
-#define ACTION_FILTER 0x0004U
-#define ACTION_HIDE_FORWARDED 0x0008U
-#define ACTION_HIDE_FROM 0x0010U
-#define ACTION_HIDE_REFERER 0x0020U /* sic - follow HTTP, not English */
-#define ACTION_HIDE_USER_AGENT 0x0040U
-#define ACTION_IMAGE 0x0080U
-#define ACTION_IMAGE_BLOCKER 0x0100U
-#define ACTION_NO_COOKIE_READ 0x0200U
-#define ACTION_NO_COOKIE_SET 0x0400U
-#define ACTION_NO_POPUPS 0x0800U
-#define ACTION_VANILLA_WAFER 0x1000U
-
-#define ACTION_STRING_FROM 0
-#define ACTION_STRING_IMAGE_BLOCKER 1
-#define ACTION_STRING_REFERER 2
-#define ACTION_STRING_USER_AGENT 3
-#define ACTION_STRING_COUNT 4
+#define ACTION_MOST_COMPATIBLE 0x00000000UL
+
+#define ACTION_BLOCK 0x00000001UL
+#define ACTION_DEANIMATE 0x00000002UL
+#define ACTION_DOWNGRADE 0x00000004UL
+#define ACTION_FAST_REDIRECTS 0x00000008UL
+#define ACTION_FILTER 0x00000010UL
+#define ACTION_HIDE_FORWARDED 0x00000020UL
+#define ACTION_HIDE_FROM 0x00000040UL
+#define ACTION_HIDE_REFERER 0x00000080UL /* sic - follow HTTP, not English */
+#define ACTION_HIDE_USER_AGENT 0x00000100UL
+#define ACTION_IMAGE 0x00000200UL
+#define ACTION_IMAGE_BLOCKER 0x00000400UL
+#define ACTION_NO_COMPRESSION 0x00000800UL
+#define ACTION_NO_COOKIE_KEEP 0x00001000UL
+#define ACTION_NO_COOKIE_READ 0x00002000UL
+#define ACTION_NO_COOKIE_SET 0x00004000UL
+#define ACTION_NO_POPUPS 0x00008000UL
+#define ACTION_VANILLA_WAFER 0x00010000UL
+#define ACTION_LIMIT_CONNECT 0x00020000UL
+
+#define ACTION_STRING_DEANIMATE 0
+#define ACTION_STRING_FROM 1
+#define ACTION_STRING_IMAGE_BLOCKER 2
+#define ACTION_STRING_REFERER 3
+#define ACTION_STRING_USER_AGENT 4
+#define ACTION_STRING_LIMIT_CONNECT 5
+#define ACTION_STRING_COUNT 6
#define ACTION_MULTI_ADD_HEADER 0
#define ACTION_MULTI_WAFER 1
#define ACTION_MULTI_COUNT 2
-
+/*
+ * This structure contains a list of actions to apply to a URL.
+ * It only contains positive instructions - no "-" options.
+ * It is not used to store the actions list itself, only for
+ * url_actions() to return the current values.
+ */
struct current_action_spec
{
- unsigned flags; /* a bit set to "1" = add action */
+ unsigned long flags; /* a bit set to "1" = add action */
/* For those actions that require parameters: */
struct list multi[ACTION_MULTI_COUNT][1];
};
+
+/*
+ * This structure contains a set of changes to actions.
+ * It can contain both positive and negative instructions.
+ * It is used to store an entry in the actions list.
+ */
struct action_spec
{
- unsigned mask; /* a bit set to "0" = remove action */
- unsigned add; /* a bit set to "1" = add action */
+ unsigned long mask; /* a bit set to "0" = remove action */
+ unsigned long add; /* a bit set to "1" = add action */
/* For those actions that require parameters: */
struct list multi_add[ACTION_MULTI_COUNT][1];
};
+/*
+ * This structure is used to store the actions list.
+ *
+ * It contains a URL pattern, and the chages to the actions.
+ * It is a linked list.
+ */
struct url_actions
{
struct url_spec url[1];
};
-/* Constants defining bitmask for csp->accept_types */
-
-#ifdef DETECT_MSIE_IMAGES
-
-/* MSIE detected by user-agent string */
-#define ACCEPT_TYPE_IS_MSIE 0x0001
-
/*
- * *If* this is MSIE, it wants an image. (Or this is a shift-reload, or
- * it's got an image from this URL before... yuck!)
- * Only meaningful if ACCEPT_TYPE_IS_MSIE set
+ * Flags for use in csp->flags
*/
-#define ACCEPT_TYPE_MSIE_IMAGE 0x0002
+#define CSP_FLAG_ACTIVE 0x01 /* Set if this client is processing data.
+ * Cleared when the thread associated with
+ * this structure dies. */
+#define CSP_FLAG_CHUNKED 0x02 /* Set if the server's reply is in "chunked"
+ * transfer encoding */
+#define CSP_FLAG_FORCED 0x04 /* Set if this request was enforced, although
+ * it would normally have been blocked. */
+#define CSP_FLAG_MODIFIED 0x08 /* Set if any modification to the body was done */
+#define CSP_FLAG_REJECTED 0x10 /* Set if request was blocked. */
+#define CSP_FLAG_TOGGLED_ON 0x20 /* Set if we are toggled on (FEATURE_TOGGLE) */
/*
- * *If* this is MSIE, it wants a HTML document.
- * Only meaningful if ACCEPT_TYPE_IS_MSIE set
+ * The state of a JunkBuster processing thread.
*/
-#define ACCEPT_TYPE_MSIE_HTML 0x0004
-
-#endif /* def DETECT_MSIE_IMAGES */
-
-
struct client_state
{
/* The proxy's configuration */
struct configuration_spec * config;
-
/* The actions to perform on the current request */
struct current_action_spec action[1];
-
/* socket to talk to client (web browser) */
int cfd;
/* socket to talk to server (web server or proxy) */
int sfd;
-
-#ifdef STATISTICS
- /* 1 if this URL was rejected, 0 otherwise. Allows actual stats inc to
- * occur in main thread only for thread-safety.
- */
- int rejected;
-#endif /* def STATISTICS */
-
-#ifdef FORCE_LOAD
- int force;
-#endif /* def FORCE_LOAD */
-
-#ifdef TOGGLE
- int toggled_on;
-#endif /* def TOGGLE */
+ /* Multi-purpose flag container, see CSP_FLAG_* above */
+ unsigned short int flags;
/*
* Client PC's IP address, as reported by the accept()_ function.
char *ip_addr_str;
long ip_addr_long;
-#ifdef TRUST_FILES
- /* The referer in this request, if one was specified. */
- char *referrer;
-#endif /* def TRUST_FILES */
-#if defined(DETECT_MSIE_IMAGES)
- /* Types the client will accept.
- * Bitmask - see ACCEPT_TYPE_XXX constants.
+ /* Our IP address and hostname, i.e. the IP address that
+ the client used to reach us, and the associated hostname,
+ both as strings
*/
- int accept_types;
-#endif /* defined(DETECT_MSIE_IMAGES) */
+ char *my_ip_addr_str;
+ char *my_hostname;
/* The URL that was requested */
struct http_request http[1];
/* List of all cookies for this request */
struct list cookie_list[1];
-#if defined(PCRS) || defined(KILLPOPUPS)
- /* Nonzero if this has a text MIME type */
- int is_text;
-#endif /* defined(PCRS) || defined(KILLPOPUPS) */
+ /* MIME-Type key, see CT_* above */
+ unsigned short int content_type;
/* The "X-Forwarded-For:" header sent by the client */
char *x_forwarded;
- /*
- * Nonzero if this client is processing data.
- * Set to zero when the thread associated with this structure dies.
- */
- int active;
-
/* files associated with this client */
- struct file_list *flist; /* forwardfile */
struct file_list *actions_list;
+ struct file_list *rlist; /* pcrs job file */
+ size_t content_length; /* Length after content modification */
-#ifdef ACL_FILES
- struct file_list *alist; /* aclfile */
-#endif /* def ACL_FILES */
-
-#ifdef PCRS
- struct file_list *rlist; /* Perl re_filterfile */
- size_t content_length; /* Length after processing */
-#endif /* def PCRS */
-
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
struct file_list *tlist; /* trustfile */
-#endif /* def TRUST_FILES */
+#endif /* def FEATURE_TRUST */
struct client_state *next;
};
+/*
+ * List of functions to run on a list of headers
+ */
struct parsers
{
char *str;
char len;
- char *(*parser)(const struct parsers *, char *, struct client_state *);
+ char *(*parser)(const struct parsers *, const char *, struct client_state *);
};
+
+/*
+ * List of available CGI functions.
+ */
struct cgi_dispatcher
{
- char *name;
- int name_length;
- int (*handler)(struct client_state *csp, struct http_response *rsp, struct map *parameters);
- char *description;
+ const char * const name;
+ jb_err (* const handler)(struct client_state *csp, struct http_response *rsp, const struct map *parameters);
+ const char * const description;
};
+
+/*
+ * A data file used by JunkBuster. Kept in a linked list.
+ */
struct file_list
{
/*
* Read-only once the structure has been created.
*/
void *f;
-
+
/* Normally NULL. When we are finished with file (i.e. when we have
* loaded a new one), set to a pointer to an unloader function.
* Unloader will be called by sweep() (called from main loop) when
- * all clients using this file are done. This prevents threading
+ * all clients using this file are done. This prevents threading
* problems.
*/
void (*unloader)(void *);
/* Used internally by sweep(). Do not access from elsewhere. */
int active;
-#ifndef SPLIT_PROXY_ARGS
- /* String to be displayed as part of show-proxy-args display.
- * Read-only once the structure has been created.
- */
- char *proxy_args;
-#endif /* ndef SPLIT_PROXY_ARGS */
-
/* Following variables allow us to check if file has been changed.
* Read-only once the structure has been created.
*/
};
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
struct block_spec
{
struct url_spec url[1];
int reject;
struct block_spec *next;
};
-#endif /* def TRUST_FILES */
+#endif /* def FEATURE_TRUST */
+#define SOCKS_NONE 0 /* Don't use a SOCKS server */
+#define SOCKS_4 40 /* original SOCKS 4 protocol */
+#define SOCKS_4A 41 /* as modified for hosts w/o external DNS */
+
struct forward_spec
{
struct url_spec url[1];
- struct gateway gw[1];
+
+ /* Connection type - must be a SOCKS_xxx constant */
+ int type;
+
+ /* SOCKS server */
+ char *gateway_host;
+ int gateway_port;
+
+ /* Parent HTTP proxy */
+ char *forward_host;
+ int forward_port;
+
+ /* For the linked list */
struct forward_spec *next;
};
+#define FORWARD_SPEC_INITIALIZER { { URL_SPEC_INITIALIZER }, 0, NULL, 0, NULL, 0, NULL }
-#ifdef PCRS
struct re_filterfile_spec
{
+ char *username;
+ char *filtername;
struct list patterns[1];
pcrs_job *joblist;
};
-#endif /* def PCRS */
-
-#ifdef ACL_FILES
+#ifdef FEATURE_ACL
#define ACL_PERMIT 1 /* accept connection request */
#define ACL_DENY 2 /* reject connection request */
short action;
struct access_control_list *next;
};
-#endif /* def ACL_FILES */
+#endif /* def FEATURE_ACL */
-/* Maximum number of loaders (actions, block, forward, acl...) */
+/* Maximum number of loaders (actions, re_filter, ...) */
#define NLOADERS 8
+
+#define RUNTIME_FEATURE_CGI_EDIT_ACTIONS 1
+#define RUNTIME_FEATURE_CGI_TOGGLE 2
+
+
/*
* Data loaded from the configuration file.
*
int debug;
int multi_threaded;
+ /* Features that can be enabled/disabled throuigh the config file */
+ unsigned feature_flags;
+
const char *logfile;
const char *confdir;
const char *logdir;
const char *actions_file;
- const char *forwardfile;
-#ifdef ACL_FILES
- const char *aclfile;
-#endif /* def ACL_FILES */
+ /* The administrator's email address */
+ char *admin_address;
+
+ /* A URL with info on this proxy */
+ char *proxy_info_url;
-#ifdef PCRS
const char *re_filterfile;
-#endif /* def PCRS */
-#ifdef JAR_FILES
+#ifdef FEATURE_COOKIE_JAR
const char * jarfile;
FILE * jar;
-#endif /* def JAR_FILES */
+#endif /* def FEATURE_COOKIE_JAR */
/*
* Port and IP to bind to.
const char *haddr;
int hport;
-#ifndef SPLIT_PROXY_ARGS
- const char *suppress_message;
-#endif /* ndef SPLIT_PROXY_ARGS */
-
-#ifndef SPLIT_PROXY_ARGS
- /* suppress listing config files */
- int suppress_blocklists;
-#endif /* ndef SPLIT_PROXY_ARGS */
+ /* Size limit for IOB */
+ size_t buffer_limit;
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
const char * trustfile;
struct list trust_info[1];
struct url_spec *trust_list[64];
-#endif /* def TRUST_FILES */
+#endif /* def FEATURE_TRUST */
- /* Various strings for show-proxy-args */
- char *proxy_args_header;
- char *proxy_args_invocation;
- char *proxy_args_gateways;
- char *proxy_args_trailer;
+#ifdef FEATURE_ACL
+ struct access_control_list *acl;
+#endif /* def FEATURE_ACL */
+
+ struct forward_spec *forward;
+
+ /* All options from the config file, HTML-formatted */
+ char *proxy_args;
/* the configuration file object. */
struct file_list *config_file_list;
#define SZ(X) (sizeof(X) / sizeof(*X))
-#define WHITEBG "<body bgcolor=\"#ffffff\" link=\"#000078\" alink=\"#ff0022\" vlink=\"#787878\">\n"
-#define BODY "<body bgcolor=\"#f8f8f0\" link=\"#000078\" alink=\"#ff0022\" vlink=\"#787878\">\n"
-#define BANNER "<strong>Internet J<small>UNK<i><font color=\"red\">BUSTER</font></i></small></strong>"
-
-#ifdef FORCE_LOAD
+#ifdef FEATURE_FORCE_LOAD
#define FORCE_PREFIX "/IJB-FORCE-LOAD"
-#endif /* def FORCE_LOAD */
+#endif /* def FEATURE_FORCE_LOAD */
-/* Shouldn't end with '/' */
+/* Hardwired URLs */
#define HOME_PAGE_URL "http://ijbswa.sourceforge.net"
#define REDIRECT_URL HOME_PAGE_URL "/redirect.php?v=" VERSION "&to="
-
#define CGI_PREFIX_HOST "i.j.b"
+/* HTTP snipplets */
static const char CSUCCEED[] =
"HTTP/1.0 200 Connection established\n"
- "Proxy-Agent: IJ/" VERSION "\n\n";
+ "Proxy-Agent: IJ/" VERSION "\r\n\r\n";
static const char CHEADER[] =
- "HTTP/1.0 400 Invalid header received from browser\n\n";
-
-static const char SHEADER[] =
- "HTTP/1.0 502 Invalid header received from server\n\n";
-
-#ifdef IMAGE_BLOCKING
-
-/*
- * Hint: You can encode your own GIFs like that:
- * perl -e 'while (read STDIN, $c, 1) { printf("\\%.3o,", unpack("C", $c)); }'
- */
+ "HTTP/1.0 400 Invalid header received from browser\r\n\r\n";
-static const char BLANKGIF[] =
- "HTTP/1.0 200 OK\r\n"
- "Pragma: no-cache\r\n"
- "Last-Modified: Thu Jul 31, 1997 07:42:22 pm GMT\r\n"
- "Expires: Thu Jul 31, 1997 07:42:22 pm GMT\r\n"
- "Content-type: image/gif\r\n\r\n"
- "GIF89a\001\000\001\000\200\000\000\377\377\377\000\000"
- "\000!\371\004\001\000\000\000\000,\000\000\000\000\001"
- "\000\001\000\000\002\002D\001\000;";
-
-static const char JBGIF[] =
- "HTTP/1.0 200 OK\r\n"
- "Pragma: no-cache\r\n"
- "Last-Modified: Thu Jul 31, 1997 07:42:22 pm GMT\r\n"
- "Expires: Thu Jul 31, 1997 07:42:22 pm GMT\r\n"
- "Content-type: image/gif\r\n\r\n"
- "GIF89aD\000\013\000\360\000\000\000\000\000\377\377\377!"
- "\371\004\001\000\000\001\000,\000\000\000\000D\000\013\000"
- "\000\002a\214\217\251\313\355\277\000\200G&K\025\316hC\037"
- "\200\234\230Y\2309\235S\230\266\206\372J\253<\3131\253\271"
- "\270\215\342\254\013\203\371\202\264\334P\207\332\020o\266"
- "N\215I\332=\211\312\3513\266:\026AK)\364\370\365aobr\305"
- "\372\003S\275\274k2\354\254z\347?\335\274x\306^9\374\276"
- "\037Q\000\000;";
-
-#endif /* def IMAGE_BLOCKING */
-
-#if defined(FAST_REDIRECTS) || defined(IMAGE_BLOCKING)
-
-static const char HTTP_REDIRECT_TEMPLATE[] =
- "HTTP/1.0 302 Local Redirect from Junkbuster\r\n"
- "Pragma: no-cache\r\n"
- "Last-Modified: Thu Jul 31, 1997 07:42:22 pm GMT\r\n"
- "Expires: Thu Jul 31, 1997 07:42:22 pm GMT\r\n"
- "Location: %s\r\n\r\n";
-
-#endif /* defined(FAST_REDIRECTS) || defined(IMAGE_BLOCKING) */
+static const char CFORBIDDEN[] =
+ "HTTP/1.0 403 Connection not allowable\r\nX-Hint: If you read this message interactively, then you know why this happens ,-)\r\n\r\n";
#ifdef __cplusplus
} /* extern "C" */
#endif
-#endif /* ndef _PROJECT_H */
+#endif /* ndef PROJECT_H_INCLUDED */
/*
Local Variables:
projects / privoxy.git / blobdiff