1 #ifndef PROJECT_H_INCLUDED
2 #define PROJECT_H_INCLUDED
3 /*********************************************************************
5 * File : $Source: /cvsroot/ijbswa/current/project.h,v $
7 * Purpose : Defines data structures which are widely used in the
8 * project. Does not define any variables or functions
9 * (though it does declare some macros).
11 * Copyright : Written by and Copyright (C) 2001-2014 the
12 * Privoxy team. http://www.privoxy.org/
14 * Based on the Internet Junkbuster originally written
15 * by and Copyright (C) 1997 Anonymous Coders and
16 * Junkbusters Corporation. http://www.junkbusters.com
18 * This program is free software; you can redistribute it
19 * and/or modify it under the terms of the GNU General
20 * Public License as published by the Free Software
21 * Foundation; either version 2 of the License, or (at
22 * your option) any later version.
24 * This program is distributed in the hope that it will
25 * be useful, but WITHOUT ANY WARRANTY; without even the
26 * implied warranty of MERCHANTABILITY or FITNESS FOR A
27 * PARTICULAR PURPOSE. See the GNU General Public
28 * License for more details.
30 * The GNU General Public License should be included with
31 * this file. If not, you can view it at
32 * http://www.gnu.org/copyleft/gpl.html
33 * or write to the Free Software Foundation, Inc., 59
34 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
36 *********************************************************************/
39 /* Declare struct FILE for vars and funcs. */
42 /* Need time_t for file_list */
44 /* Needed for pcre choice */
47 #ifdef FEATURE_HTTPS_FILTERING
48 #ifdef FEATURE_PTHREAD
50 typedef pthread_mutex_t privoxy_mutex_t;
55 typedef CRITICAL_SECTION privoxy_mutex_t;
58 #include "mbedtls/net_sockets.h"
59 #include "mbedtls/entropy.h"
60 #include "mbedtls/ctr_drbg.h"
62 #if defined(MBEDTLS_SSL_CACHE_C)
63 #include "mbedtls/ssl_cache.h"
67 * Macros for SSL structures
69 #define CERT_INFO_BUF_SIZE 4096
70 #define CERT_FILE_BUF_SIZE 16384
71 #define ISSUER_NAME_BUF_SIZE 2048
72 #define HASH_OF_HOST_BUF_SIZE 16
75 /* Need for struct sockaddr_storage */
79 # include <sys/socket.h>
82 # include <ws2tcpip.h>
83 typedef unsigned short in_port_t;
89 * Include appropriate regular expression libraries.
90 * Note that pcrs and pcre (native) are needed for cgi
91 * and are included anyway.
97 # ifdef PCRE_H_IN_SUBDIR
98 # include <pcre/pcre.h>
111 # include "pcreposix.h"
113 # ifdef PCRE_H_IN_SUBDIR
114 # include <pcre/pcreposix.h>
116 # include <pcreposix.h>
122 * I don't want to have to #include all this just for the declaration
123 * of SOCKET. However, it looks like we have to...
134 typedef SOCKET jb_socket;
136 #define JB_INVALID_SOCKET INVALID_SOCKET
138 #else /* ndef _WIN32 */
141 * The type used by sockets. On UNIX it's an int. Microsoft decided to
142 * make it an unsigned.
144 typedef int jb_socket;
147 * The error value used for variables of type jb_socket. On UNIX this
148 * is -1, however Microsoft decided to make socket handles unsigned, so
149 * they use a different value.
152 #define JB_INVALID_SOCKET (-1)
154 #endif /* ndef _WIN32 */
158 * A standard error code. This should be JB_ERR_OK or one of the JB_ERR_xxx
163 JB_ERR_OK = 0, /**< Success, no error */
164 JB_ERR_MEMORY = 1, /**< Out of memory */
165 JB_ERR_CGI_PARAMS = 2, /**< Missing or corrupt CGI parameters */
166 JB_ERR_FILE = 3, /**< Error opening, reading or writing a file */
167 JB_ERR_PARSE = 4, /**< Error parsing file */
168 JB_ERR_MODIFIED = 5, /**< File has been modified outside of the
169 CGI actions editor. */
170 JB_ERR_COMPRESS = 6 /**< Error on decompression */
173 typedef enum privoxy_err jb_err;
176 * This macro is used to free a pointer that may be NULL.
177 * It also sets the variable to NULL after it's been freed.
178 * The paramater should be a simple variable without side effects.
180 #define freez(X) { if(X) { free((void*)X); X = NULL ; } }
184 * Macro definitions for platforms where isspace() and friends
185 * are macros that use their argument directly as an array index
186 * and thus better be positive. Supposedly that's the case on
187 * some unspecified Solaris versions.
188 * Note: Remember to #include <ctype.h> if you use these macros.
190 #define privoxy_isdigit(__X) isdigit((int)(unsigned char)(__X))
191 #define privoxy_isupper(__X) isupper((int)(unsigned char)(__X))
192 #define privoxy_toupper(__X) toupper((int)(unsigned char)(__X))
193 #define privoxy_tolower(__X) tolower((int)(unsigned char)(__X))
194 #define privoxy_isspace(__X) isspace((int)(unsigned char)(__X))
197 * Use for statically allocated buffers if you have no other choice.
198 * Remember to check the length of what you write into the buffer
199 * - we don't want any buffer overflows!
201 #define BUFFER_SIZE 5000
204 * Max length of CGI parameters (arbitrary limit).
206 #define CGI_PARAM_LEN_MAX 500U
209 * Buffer size for capturing struct hostent data in the
210 * gethostby(name|addr)_r library calls. Since we don't
211 * loop over gethostbyname_r, the buffer must be sufficient
212 * to accommodate multiple IN A RRs, as used in DNS round robin
213 * load balancing. W3C's wwwlib uses 1K, so that should be
214 * good enough for us, too.
217 * XXX: Temporary doubled, for some configurations
218 * 1K is still too small and we didn't get the
219 * real fix ready for inclusion.
221 #define HOSTENT_BUFFER_SIZE 2048
224 * Default TCP/IP address to listen on, as a string.
225 * Set to "127.0.0.1:8118".
227 #define HADDR_DEFAULT "127.0.0.1:8118"
230 /* Forward def for struct client_state */
231 struct configuration_spec;
235 * Entry in a linked list of strings.
240 * The string pointer. It must point to a dynamically malloc()ed
241 * string or be NULL for the list functions to work. In the latter
242 * case, just be careful next time you iterate through the list in
247 /** Next entry in the linked list, or NULL if no more. */
248 struct list_entry *next;
252 * A header for a linked list of strings.
256 /** First entry in the list, or NULL if the list is empty. */
257 struct list_entry *first;
259 /** Last entry in the list, or NULL if the list is empty. */
260 struct list_entry *last;
265 * An entry in a map. This is a name=value pair.
269 /** The key for the map. */
271 /** The value associated with that key. */
273 /** The next map entry, or NULL if none. */
274 struct map_entry *next;
278 * A map from a string to another string.
279 * This is used for the paramaters passed in a HTTP GET request, and
280 * to store the exports when the CGI interface is filling in a template.
284 /** The first map entry, or NULL if the map is empty. */
285 struct map_entry *first;
286 /** The last map entry, or NULL if the map is empty. */
287 struct map_entry *last;
290 #ifdef FEATURE_HTTPS_FILTERING
292 * Struct of attributes necessary for TLS/SSL connection
295 mbedtls_ssl_context ssl;
296 mbedtls_ssl_config conf;
297 mbedtls_net_context socket_fd;
298 mbedtls_x509_crt server_cert;
299 mbedtls_x509_crt ca_cert;
300 mbedtls_pk_context prim_key;
302 #if defined(MBEDTLS_SSL_CACHE_C)
303 mbedtls_ssl_cache_context cache;
305 } mbedtls_connection_attr;
309 * A HTTP request. This includes the method (GET, POST) and
312 * This is also used whenever we want to match a URL against a
313 * URL pattern. This always contains the URL to match, and never
314 * a URL pattern. (See struct url_spec).
318 char *cmd; /**< Whole command line: method, URL, Version */
319 char *ocmd; /**< Backup of original cmd for CLF logging */
320 char *gpc; /**< HTTP method: GET, POST, ... */
321 char *url; /**< The URL */
322 char *ver; /**< Protocol version */
323 int status; /**< HTTP Status */
325 char *host; /**< Host part of URL */
326 int port; /**< Port of URL or 80 (default) */
327 char *path; /**< Path of URL */
328 char *hostport; /**< host[:port] */
329 int ssl; /**< Flag if protocol is https */
331 char *host_ip_addr_str; /**< String with dotted decimal representation
332 of host's IP. NULL before connect_to() */
334 #ifndef FEATURE_EXTENDED_HOST_PATTERNS
335 char *dbuffer; /**< Buffer with '\0'-delimited domain name. */
336 char **dvec; /**< List of pointers to the strings in dbuffer. */
337 int dcount; /**< How many parts to this domain? (length of dvec) */
338 #endif /* ndef FEATURE_EXTENDED_HOST_PATTERNS */
340 #ifdef FEATURE_HTTPS_FILTERING
341 int client_ssl; /**< Flag if we should comunicate with slient over ssl */
342 int server_ssl; /**< Flag if we should comunicate with server over ssl */
343 unsigned char hash_of_host_hex[(HASH_OF_HOST_BUF_SIZE * 2) + 1]; /**< chars for hash in hex string and one for '\0' */
344 unsigned char hash_of_host[HASH_OF_HOST_BUF_SIZE+1]; /**< chars for bytes of hash and one for '\0' */
349 #ifdef FEATURE_HTTPS_FILTERING
351 * Properties of cert for generating
354 char *issuer_crt; /* filename of the issuer certificate */
355 char *subject_key; /* filename of the subject key file */
356 char *issuer_key; /* filename of the issuer key file */
357 const char *subject_pwd; /* password for the subject key file */
358 const char *issuer_pwd; /* password for the issuer key file */
359 char *output_file; /* where to store the constructed key file */
360 const char *subject_name; /* subject name for certificate */
361 char issuer_name[ISSUER_NAME_BUF_SIZE]; /* issuer name for certificate */
362 const char *not_before; /* validity period not before */
363 const char *not_after; /* validity period not after */
364 const char *serial; /* serial number string */
365 int is_ca; /* is a CA certificate */
366 int max_pathlen; /* maximum CA path length */
370 * Properties of key for generating
373 mbedtls_pk_type_t type; /* type of key to generate */
374 int rsa_keysize; /* length of key in bits */
375 char *key_file_path; /* filename of the key file */
379 * Struct for linked list containing certificates
381 typedef struct certs_chain {
382 char text_buf[CERT_INFO_BUF_SIZE]; /* text info about properties of certificate */
383 char file_buf[CERT_FILE_BUF_SIZE]; /* buffer for whole certificate - format to save in file */
384 struct certs_chain *next; /* next certificate in chain of trust */
389 * Reasons for generating a http_response instead of delivering
390 * the requested resource. Mostly ordered the way they are checked
410 * Response generated by CGI, blocker, or error handler
414 char *status; /**< HTTP status (string). */
415 struct list headers[1]; /**< List of header lines. */
416 char *head; /**< Formatted http response head. */
417 size_t head_length; /**< Length of http response head. */
418 char *body; /**< HTTP document body. */
419 size_t content_length; /**< Length of body, REQUIRED if binary body. */
420 int is_static; /**< Nonzero if the content will never change and
421 should be cached by the browser (e.g. images). */
422 enum crunch_reason crunch_reason; /**< Why the response was generated in the first place. */
427 #ifdef FEATURE_EXTENDED_HOST_PATTERNS
428 regex_t *host_regex;/**< Regex for host matching */
430 char *dbuffer; /**< Buffer with '\0'-delimited domain name, or NULL to match all hosts. */
431 char **dvec; /**< List of pointers to the strings in dbuffer. */
432 int dcount; /**< How many parts to this domain? (length of dvec) */
433 int unanchored; /**< Bitmap - flags are ANCHOR_LEFT and ANCHOR_RIGHT. */
434 #endif /* defined FEATURE_EXTENDED_HOST_PATTERNS */
436 char *port_list; /**< List of acceptable ports, or NULL to match all ports */
438 regex_t *preg; /**< Regex for matching path part */
442 * A URL or a tag pattern.
446 /** The string which was parsed to produce this pattern_spec.
447 Used for debugging or display only. */
452 struct url_spec url_spec;
456 unsigned int flags; /**< Bitmap with various pattern properties. */
460 * Constant for host part matching in URLs. If set, indicates that the start of
461 * the pattern must match the start of the URL. E.g. this is not set for the
462 * pattern ".example.com", so that it will match both "example.com" and
463 * "www.example.com". It is set for the pattern "example.com", which makes it
464 * match "example.com" only, not "www.example.com".
466 #define ANCHOR_LEFT 1
469 * Constant for host part matching in URLs. If set, indicates that the end of
470 * the pattern must match the end of the URL. E.g. this is not set for the
471 * pattern "ad.", so that it will match any host called "ad", irrespective
472 * of how many subdomains are in the fully-qualified domain name.
474 #define ANCHOR_RIGHT 2
476 /** Pattern spec bitmap: It's an URL pattern. */
477 #define PATTERN_SPEC_URL_PATTERN 0x00000001UL
479 /** Pattern spec bitmap: It's a TAG pattern. */
480 #define PATTERN_SPEC_TAG_PATTERN 0x00000002UL
482 /** Pattern spec bitmap: It's a NO-REQUEST-TAG pattern. */
483 #define PATTERN_SPEC_NO_REQUEST_TAG_PATTERN 0x00000004UL
485 /** Pattern spec bitmap: It's a NO-RESPONSE-TAG pattern. */
486 #define PATTERN_SPEC_NO_RESPONSE_TAG_PATTERN 0x00000008UL
488 /** Pattern spec bitmap: It's a CLIENT-TAG pattern. */
489 #define PATTERN_SPEC_CLIENT_TAG_PATTERN 0x00000010UL
492 * An I/O buffer. Holds a string which can be appended to, and can have data
493 * removed from the beginning.
497 char *buf; /**< Start of buffer */
498 char *cur; /**< Start of relevant data */
499 char *eod; /**< End of relevant data */
500 size_t size; /**< Size as malloc()ed */
505 * Return the number of bytes in the I/O buffer associated with the passed
506 * I/O buffer. May be zero.
508 #define IOB_PEEK(IOB) ((IOB->cur > IOB->eod) ? (IOB->eod - IOB->cur) : 0)
511 /* Bits for csp->content_type bitmask: */
512 #define CT_TEXT 0x0001U /**< Suitable for pcrs filtering. */
513 #define CT_GIF 0x0002U /**< Suitable for GIF filtering. */
514 #define CT_TABOO 0x0004U /**< DO NOT filter, irrespective of other flags. */
516 /* Although these are not, strictly speaking, content types
517 * (they are content encodings), it is simple to handle them
520 #define CT_GZIP 0x0010U /**< gzip-compressed data. */
521 #define CT_DEFLATE 0x0020U /**< zlib-compressed data. */
524 * Flag to signal that the server declared the content type,
525 * so we can differentiate between unknown and undeclared
528 #define CT_DECLARED 0x0040U
531 * The mask which includes all actions.
533 #define ACTION_MASK_ALL (~0UL)
536 * The most compatible set of actions - i.e. none.
538 #define ACTION_MOST_COMPATIBLE 0x00000000UL
540 /** Action bitmap: Block the request. */
541 #define ACTION_BLOCK 0x00000001UL
542 /** Action bitmap: Deanimate if it's a GIF. */
543 #define ACTION_DEANIMATE 0x00000002UL
544 /** Action bitmap: Downgrade HTTP/1.1 to 1.0. */
545 #define ACTION_DOWNGRADE 0x00000004UL
546 /** Action bitmap: Fast redirects. */
547 #define ACTION_FAST_REDIRECTS 0x00000008UL
548 /** Action bitmap: Remove or add "X-Forwarded-For" header. */
549 #define ACTION_CHANGE_X_FORWARDED_FOR 0x00000010UL
550 /** Action bitmap: Hide "From" header. */
551 #define ACTION_HIDE_FROM 0x00000020UL
552 /** Action bitmap: Hide "Referer" header. (sic - follow HTTP, not English). */
553 #define ACTION_HIDE_REFERER 0x00000040UL
554 /** Action bitmap: Hide "User-Agent" and similar headers. */
555 #define ACTION_HIDE_USER_AGENT 0x00000080UL
556 /** Action bitmap: This is an image. */
557 #define ACTION_IMAGE 0x00000100UL
558 /** Action bitmap: Sets the image blocker. */
559 #define ACTION_IMAGE_BLOCKER 0x00000200UL
560 /** Action bitmap: Prevent compression. */
561 #define ACTION_NO_COMPRESSION 0x00000400UL
562 /** Action bitmap: Change cookies to session only cookies. */
563 #define ACTION_SESSION_COOKIES_ONLY 0x00000800UL
564 /** Action bitmap: Block cookies coming from the client. */
565 #define ACTION_CRUNCH_OUTGOING_COOKIES 0x00001000UL
566 /** Action bitmap: Block cookies coming from the server. */
567 #define ACTION_CRUNCH_INCOMING_COOKIES 0x00002000UL
568 /** Action bitmap: Override the forward settings in the config file */
569 #define ACTION_FORWARD_OVERRIDE 0x00004000UL
570 /** Action bitmap: Block as empty document */
571 #define ACTION_HANDLE_AS_EMPTY_DOCUMENT 0x00008000UL
572 /** Action bitmap: Limit CONNECT requests to safe ports. */
573 #define ACTION_LIMIT_CONNECT 0x00010000UL
574 /** Action bitmap: Redirect request. */
575 #define ACTION_REDIRECT 0x00020000UL
576 /** Action bitmap: Crunch or modify "if-modified-since" header. */
577 #define ACTION_HIDE_IF_MODIFIED_SINCE 0x00040000UL
578 /** Action bitmap: Overwrite Content-Type header. */
579 #define ACTION_CONTENT_TYPE_OVERWRITE 0x00080000UL
580 /** Action bitmap: Crunch specified server header. */
581 #define ACTION_CRUNCH_SERVER_HEADER 0x00100000UL
582 /** Action bitmap: Crunch specified client header */
583 #define ACTION_CRUNCH_CLIENT_HEADER 0x00200000UL
584 /** Action bitmap: Enable text mode by force */
585 #define ACTION_FORCE_TEXT_MODE 0x00400000UL
586 /** Action bitmap: Remove the "If-None-Match" header. */
587 #define ACTION_CRUNCH_IF_NONE_MATCH 0x00800000UL
588 /** Action bitmap: Enable content-disposition crunching */
589 #define ACTION_HIDE_CONTENT_DISPOSITION 0x01000000UL
590 /** Action bitmap: Replace or block Last-Modified header */
591 #define ACTION_OVERWRITE_LAST_MODIFIED 0x02000000UL
592 /** Action bitmap: Replace or block Accept-Language header */
593 #define ACTION_HIDE_ACCEPT_LANGUAGE 0x04000000UL
594 /** Action bitmap: Limit the cookie lifetime */
595 #define ACTION_LIMIT_COOKIE_LIFETIME 0x08000000UL
596 /** Action bitmap: Delay writes */
597 #define ACTION_DELAY_RESPONSE 0x10000000UL
598 /** Action bitmap: Turn https filtering on */
599 #define ACTION_ENABLE_HTTPS_FILTER 0x20000000UL
600 /** Action bitmap: Turn certificates verification off */
601 #define ACTION_IGNORE_CERTIFICATE_ERRORS 0x40000000UL
603 /** Action string index: How to deanimate GIFs */
604 #define ACTION_STRING_DEANIMATE 0
605 /** Action string index: Replacement for "From:" header */
606 #define ACTION_STRING_FROM 1
607 /** Action string index: How to block images */
608 #define ACTION_STRING_IMAGE_BLOCKER 2
609 /** Action string index: Replacement for "Referer:" header */
610 #define ACTION_STRING_REFERER 3
611 /** Action string index: Replacement for "User-Agent:" header */
612 #define ACTION_STRING_USER_AGENT 4
613 /** Action string index: Legal CONNECT ports. */
614 #define ACTION_STRING_LIMIT_CONNECT 5
615 /** Action string index: Server headers containing this pattern are crunched*/
616 #define ACTION_STRING_SERVER_HEADER 6
617 /** Action string index: Client headers containing this pattern are crunched*/
618 #define ACTION_STRING_CLIENT_HEADER 7
619 /** Action string index: Replacement for the "Accept-Language:" header*/
620 #define ACTION_STRING_LANGUAGE 8
621 /** Action string index: Replacement for the "Content-Type:" header*/
622 #define ACTION_STRING_CONTENT_TYPE 9
623 /** Action string index: Replacement for the "content-disposition:" header*/
624 #define ACTION_STRING_CONTENT_DISPOSITION 10
625 /** Action string index: Replacement for the "If-Modified-Since:" header*/
626 #define ACTION_STRING_IF_MODIFIED_SINCE 11
627 /** Action string index: Replacement for the "Last-Modified:" header. */
628 #define ACTION_STRING_LAST_MODIFIED 12
629 /** Action string index: Redirect URL */
630 #define ACTION_STRING_REDIRECT 13
631 /** Action string index: Decode before redirect? */
632 #define ACTION_STRING_FAST_REDIRECTS 14
633 /** Action string index: Overriding forward rule. */
634 #define ACTION_STRING_FORWARD_OVERRIDE 15
635 /** Action string index: Reason for the block. */
636 #define ACTION_STRING_BLOCK 16
637 /** Action string index: what to do with the "X-Forwarded-For" header. */
638 #define ACTION_STRING_CHANGE_X_FORWARDED_FOR 17
639 /** Action string index: how many minutes cookies should be valid. */
640 #define ACTION_STRING_LIMIT_COOKIE_LIFETIME 18
641 /** Action string index: how many milliseconds writes should be delayed. */
642 #define ACTION_STRING_DELAY_RESPONSE 19
643 /** Number of string actions. */
644 #define ACTION_STRING_COUNT 20
647 /* To make the ugly hack in sed easier to understand */
648 #define CHECK_EVERY_HEADER_REMAINING 0
651 /** Index into current_action_spec::multi[] for headers to add. */
652 #define ACTION_MULTI_ADD_HEADER 0
653 /** Index into current_action_spec::multi[] for content filters to apply. */
654 #define ACTION_MULTI_FILTER 1
655 /** Index into current_action_spec::multi[] for server-header filters to apply. */
656 #define ACTION_MULTI_SERVER_HEADER_FILTER 2
657 /** Index into current_action_spec::multi[] for client-header filters to apply. */
658 #define ACTION_MULTI_CLIENT_HEADER_FILTER 3
659 /** Index into current_action_spec::multi[] for client-header tags to apply. */
660 #define ACTION_MULTI_CLIENT_HEADER_TAGGER 4
661 /** Index into current_action_spec::multi[] for server-header tags to apply. */
662 #define ACTION_MULTI_SERVER_HEADER_TAGGER 5
663 /** Number of multi-string actions. */
664 #define ACTION_MULTI_EXTERNAL_FILTER 6
665 /** Number of multi-string actions. */
666 #define ACTION_MULTI_COUNT 7
670 * This structure contains a list of actions to apply to a URL.
671 * It only contains positive instructions - no "-" options.
672 * It is not used to store the actions list itself, only for
673 * url_actions() to return the current values.
675 struct current_action_spec
677 /** Actions to apply. A bit set to "1" means perform the action. */
681 * Paramaters for those actions that require them.
682 * Each entry is valid if & only if the corresponding entry in "flags" is
685 char * string[ACTION_STRING_COUNT];
687 /** Lists of strings for multi-string actions. */
688 struct list multi[ACTION_MULTI_COUNT][1];
693 * This structure contains a set of changes to actions.
694 * It can contain both positive and negative instructions.
695 * It is used to store an entry in the actions list.
699 unsigned long mask; /**< Actions to keep. A bit set to "0" means remove action. */
700 unsigned long add; /**< Actions to add. A bit set to "1" means add action. */
703 * Parameters for those actions that require them.
704 * Each entry is valid if & only if the corresponding entry in "flags" is
707 char * string[ACTION_STRING_COUNT];
709 /** Lists of strings to remove, for multi-string actions. */
710 struct list multi_remove[ACTION_MULTI_COUNT][1];
712 /** If nonzero, remove *all* strings from the multi-string action. */
713 int multi_remove_all[ACTION_MULTI_COUNT];
715 /** Lists of strings to add, for multi-string actions. */
716 struct list multi_add[ACTION_MULTI_COUNT][1];
721 * This structure is used to store action files.
723 * It contains an URL or tag pattern, and the changes to
724 * the actions. It's a linked list and should only be
725 * free'd through unload_actions_file() unless there's
726 * only a single entry.
730 struct pattern_spec url[1]; /**< The URL or tag pattern. */
732 struct action_spec *action; /**< Action settings that might be shared with
733 the list entry before or after the current
734 one and can't be free'd willy nilly. */
736 struct url_actions *next; /**< Next action section in file, or NULL. */
739 enum forwarder_type {
740 /**< Don't use a SOCKS server, forward to a HTTP proxy directly */
742 /**< original SOCKS 4 protocol */
744 /**< SOCKS 4A, DNS resolution is done by the SOCKS server */
746 /**< SOCKS 5 with hostnames, DNS resolution is done by the SOCKS server */
748 /**< Like SOCKS5, but uses non-standard Tor extensions (currently only optimistic data) */
751 * Don't use a SOCKS server, forward to the specified webserver.
752 * The difference to SOCKS_NONE is that a request line without
759 * Structure to hold the server socket and the information
760 * required to make sure we only reuse the connection if
761 * the host and forwarding settings are the same.
763 struct reusable_connection
767 time_t timestamp; /* XXX: rename? */
770 time_t response_received;
773 * Number of seconds after which this
774 * connection will no longer be reused.
776 unsigned int keep_alive_timeout;
778 * Number of requests that were sent to this connection.
779 * This is currently only for debugging purposes.
781 unsigned int requests_sent_total;
785 enum forwarder_type forwarder_type;
794 * Flags for use in csp->flags
798 * Flag for csp->flags: Set if this client is processing data.
799 * Cleared when the thread associated with this structure dies.
801 #define CSP_FLAG_ACTIVE 0x01U
804 * Flag for csp->flags: Set if the server's reply is in "chunked"
807 #define CSP_FLAG_CHUNKED 0x02U
810 * Flag for csp->flags: Set if this request was enforced, although it would
811 * normally have been blocked.
813 #define CSP_FLAG_FORCED 0x04U
816 * Flag for csp->flags: Set if any modification to the body was done.
818 #define CSP_FLAG_MODIFIED 0x08U
821 * Flag for csp->flags: Set if request was blocked.
823 #define CSP_FLAG_REJECTED 0x10U
826 * Flag for csp->flags: Set if we are toggled on (FEATURE_TOGGLE).
828 #define CSP_FLAG_TOGGLED_ON 0x20U
831 * Flag for csp->flags: Set if an acceptable Connection header
832 * has already been set by the client.
834 #define CSP_FLAG_CLIENT_CONNECTION_HEADER_SET 0x00000040U
837 * Flag for csp->flags: Set if an acceptable Connection header
838 * has already been set by the server.
840 #define CSP_FLAG_SERVER_CONNECTION_HEADER_SET 0x00000080U
843 * Flag for csp->flags: Signals header parsers whether they
844 * are parsing server or client headers.
846 #define CSP_FLAG_CLIENT_HEADER_PARSING_DONE 0x00000100U
849 * Flag for csp->flags: Set if adding the Host: header
852 #define CSP_FLAG_HOST_HEADER_IS_SET 0x00000200U
855 * Flag for csp->flags: Set if filtering is disabled by X-Filter: No
856 * XXX: As we now have tags we might as well ditch this.
858 #define CSP_FLAG_NO_FILTERING 0x00000400U
861 * Flag for csp->flags: Set the client IP has appended to
862 * an already existing X-Forwarded-For header in which case
863 * no new header has to be generated.
865 #define CSP_FLAG_X_FORWARDED_FOR_APPENDED 0x00000800U
868 * Flag for csp->flags: Set if the server wants to keep
869 * the connection alive.
871 #define CSP_FLAG_SERVER_CONNECTION_KEEP_ALIVE 0x00001000U
874 * Flag for csp->flags: Set if the server specified the
877 #define CSP_FLAG_SERVER_CONTENT_LENGTH_SET 0x00002000U
880 * Flag for csp->flags: Set if we know the content length,
881 * either because the server set it, or we figured it out
884 #define CSP_FLAG_CONTENT_LENGTH_SET 0x00004000U
887 * Flag for csp->flags: Set if the client wants to keep
888 * the connection alive.
890 #define CSP_FLAG_CLIENT_CONNECTION_KEEP_ALIVE 0x00008000U
893 * Flag for csp->flags: Set if we think we got the whole
894 * client request and shouldn't read any additional data
895 * coming from the client until the current request has
898 #define CSP_FLAG_CLIENT_REQUEST_COMPLETELY_READ 0x00010000U
901 * Flag for csp->flags: Set if the server promised us to
902 * keep the connection open for a known number of seconds.
904 #define CSP_FLAG_SERVER_KEEP_ALIVE_TIMEOUT_SET 0x00020000U
907 * Flag for csp->flags: Set if we think we can't reuse
908 * the server socket. XXX: It's also set after sabotaging
909 * pipelining attempts which is somewhat inconsistent with
912 #define CSP_FLAG_SERVER_SOCKET_TAINTED 0x00040000U
915 * Flag for csp->flags: Set if the Proxy-Connection header
916 * is among the server headers.
918 #define CSP_FLAG_SERVER_PROXY_CONNECTION_HEADER_SET 0x00080000U
921 * Flag for csp->flags: Set if the client reused its connection.
923 #define CSP_FLAG_REUSED_CLIENT_CONNECTION 0x00100000U
926 * Flag for csp->flags: Set if the supports deflate compression.
928 #define CSP_FLAG_CLIENT_SUPPORTS_DEFLATE 0x00200000U
931 * Flag for csp->flags: Set if the content has been deflated by Privoxy
933 #define CSP_FLAG_BUFFERED_CONTENT_DEFLATED 0x00400000U
936 * Flag for csp->flags: Set if we already read (parts of)
937 * a pipelined request in which case the client obviously
938 * isn't done talking.
940 #define CSP_FLAG_PIPELINED_REQUEST_WAITING 0x00800000U
943 * Flag for csp->flags: Set if the client body is chunk-encoded
945 #define CSP_FLAG_CHUNKED_CLIENT_BODY 0x01000000U
948 * Flag for csp->flags: Set if the client set the Expect header
950 #define CSP_FLAG_UNSUPPORTED_CLIENT_EXPECTATION 0x02000000U
953 * Flag for csp->flags: Set if we answered the request ourselve.
955 #define CSP_FLAG_CRUNCHED 0x04000000U
959 * Flag for csp->flags: Set if we are working with fuzzed input
961 #define CSP_FLAG_FUZZED_INPUT 0x08000000U
965 * Flags for use in return codes of child processes
969 * Flag for process return code: Set if exiting process has been toggled
970 * during its lifetime.
972 #define RC_FLAG_TOGGLED 0x10
975 * Flag for process return code: Set if exiting process has blocked its
978 #define RC_FLAG_BLOCKED 0x20
981 * Maximum number of actions/filter files. This limit is arbitrary - it's just used
984 #define MAX_AF_FILES 100
987 * Maximum number of sockets to listen to. This limit is arbitrary - it's just used
990 #define MAX_LISTENING_SOCKETS 10
993 * The state of a Privoxy processing thread.
997 /** The proxy's configuration */
998 struct configuration_spec * config;
1000 /** The actions to perform on the current request */
1001 struct current_action_spec action[1];
1003 /** socket to talk to client (web browser) */
1006 /** Number of requests received on the client socket. */
1007 unsigned int requests_received_total;
1009 /** current connection to the server (may go through a proxy) */
1010 struct reusable_connection server_connection;
1012 /** Multi-purpose flag container, see CSP_FLAG_* above */
1015 /** Client PC's IP address, as reported by the accept() function.
1019 /** Client PC's TCP address, as reported by the accept() function.
1021 struct sockaddr_storage tcp_addr;
1023 /** Client PC's IP address, as reported by the accept() function.
1025 unsigned long ip_addr_long;
1026 #endif /* def HAVE_RFC2553 */
1028 /** The host name and port (as a string of the form '<hostname>:<port>')
1029 of the server socket to which the client connected. */
1030 char *listen_addr_str;
1032 /** The URL that was requested */
1033 struct http_request http[1];
1036 * The final forwarding settings.
1037 * XXX: Currently this is only used for forward-override,
1038 * so we can free the space in sweep.
1040 struct forward_spec * fwd;
1042 /** An I/O buffer used for buffering data read from the server */
1043 /* XXX: should be renamed to server_iob */
1046 #ifdef FEATURE_HTTPS_FILTERING
1047 mbedtls_connection_attr mbedtls_server_attr; /* attributes for connection to server */
1048 mbedtls_connection_attr mbedtls_client_attr; /* attributes for connection to client */
1051 /** An I/O buffer used for buffering data read from the client */
1052 struct iob client_iob[1];
1054 /** Buffer used to briefly store data read from the network
1055 * before forwarding or processing it.
1057 char *receive_buffer;
1058 size_t receive_buffer_size;
1060 /** List of all headers for this request */
1061 struct list headers[1];
1063 #ifdef FEATURE_HTTPS_FILTERING
1064 /** List of all encrypted headers for this request */
1065 struct list https_headers[1];
1068 /** List of all tags that apply to this request */
1069 struct list tags[1];
1071 #ifdef FEATURE_CLIENT_TAGS
1072 /** List of all tags that apply to this client (assigned based on address) */
1073 struct list client_tags[1];
1074 /** The address of the client the request (presumably) came from.
1075 * Either the address returned by accept(), or the address provided
1076 * with the X-Forwarded-For header, provided Privoxy has been configured
1079 char *client_address;
1082 /** MIME-Type key, see CT_* above */
1083 unsigned int content_type;
1085 /** Actions files associated with this client */
1086 struct file_list *actions_list[MAX_AF_FILES];
1088 /** pcrs job files. */
1089 struct file_list *rlist[MAX_AF_FILES];
1091 /** Length after content modification. */
1092 unsigned long long content_length;
1094 /* XXX: is this the right location? */
1096 /** Expected length of content after which we
1097 * should stop reading from the server socket.
1099 unsigned long long expected_content_length;
1101 /** Expected length of content after which we
1102 * should stop reading from the client socket.
1104 unsigned long long expected_client_content_length;
1106 #ifdef FEATURE_TRUST
1109 struct file_list *tlist;
1111 #endif /* def FEATURE_TRUST */
1114 * Failure reason to embedded in the CGI error page,
1115 * or NULL. Currently only used for socks errors.
1117 char *error_message;
1119 #ifdef FEATURE_HTTPS_FILTERING
1120 /* Result of server certificate verification */
1121 uint32_t server_cert_verification_result;
1123 /* Flag for certificate validity checking */
1124 int dont_verify_certificate;
1127 * Flags if SSL connection with server or client is opened.
1128 * Thanks to this flags, we can call function to close both connections
1129 * and we don't have to care about more details.
1131 int ssl_with_server_is_opened;
1132 int ssl_with_client_is_opened;
1135 * Server certificate chain of trust including strings with certificates
1136 * informations and string with whole certificate file
1138 struct certs_chain server_certs_chain;
1143 * List of client states so the main thread can keep
1144 * track of them and garbage collect their resources.
1146 struct client_states
1148 struct client_states *next;
1149 struct client_state csp;
1153 * A function to add a header
1155 typedef jb_err (*add_header_func_ptr)(struct client_state *);
1158 * A function to process a header
1160 typedef jb_err (*parser_func_ptr )(struct client_state *, char **);
1164 * List of available CGI functions.
1166 struct cgi_dispatcher
1168 /** The URL of the CGI, relative to the CGI root. */
1169 const char * const name;
1171 /** The handler function for the CGI */
1172 jb_err (* const handler)(struct client_state *csp, struct http_response *rsp, const struct map *parameters);
1174 /** The description of the CGI, to appear on the main menu, or NULL to hide it. */
1175 const char * const description;
1177 /** A flag that indicates whether unintentional calls to this CGI can cause damage */
1183 * A data file used by Privoxy. Kept in a linked list.
1188 * This is a pointer to the data structures associated with the file.
1189 * Read-only once the structure has been created.
1194 * The unloader function.
1195 * Normally NULL. When we are finished with file (i.e. when we have
1196 * loaded a new one), set to a pointer to an unloader function.
1197 * Unloader will be called by sweep() (called from main loop) when
1198 * all clients using this file are done. This prevents threading
1201 void (*unloader)(void *);
1204 * Used internally by sweep(). Do not access from elsewhere.
1209 * File last-modified time, so we can check if file has been changed.
1210 * Read-only once the structure has been created.
1212 time_t lastmodified;
1215 * The full filename.
1220 * Pointer to next entry in the linked list of all "file_list"s.
1221 * This linked list is so that sweep() can navigate it.
1222 * Since sweep() can remove items from the list, we must be careful
1223 * to only access this value from main thread (when we know sweep
1224 * won't be running).
1226 struct file_list *next;
1230 #ifdef FEATURE_TRUST
1233 * The format of a trust file when loaded into memory.
1237 struct pattern_spec url[1]; /**< The URL pattern */
1238 int reject; /**< FIXME: Please document this! */
1239 struct block_spec *next; /**< Next entry in linked list */
1243 * Arbitrary limit for the number of trusted referrers.
1245 #define MAX_TRUSTED_REFERRERS 512
1247 #endif /* def FEATURE_TRUST */
1250 * How to forward a connection to a parent proxy.
1254 /** URL pattern that this forward_spec is for. */
1255 struct pattern_spec url[1];
1257 /** Connection type. Must be SOCKS_NONE, SOCKS_4, SOCKS_4A or SOCKS_5. */
1258 enum forwarder_type type;
1260 /** SOCKS server hostname. Only valid if "type" is SOCKS_4 or SOCKS_4A. */
1263 /** SOCKS server port. */
1266 /** SOCKS5 username. */
1267 char *auth_username;
1269 /** SOCKS5 password. */
1270 char *auth_password;
1272 /** Parent HTTP proxy hostname, or NULL for none. */
1275 /** Parent HTTP proxy port. */
1278 /** Next entry in the linked list. */
1279 struct forward_spec *next;
1283 /* Supported filter types */
1286 FT_CONTENT_FILTER = 0,
1287 FT_CLIENT_HEADER_FILTER = 1,
1288 FT_SERVER_HEADER_FILTER = 2,
1289 FT_CLIENT_HEADER_TAGGER = 3,
1290 FT_SERVER_HEADER_TAGGER = 4,
1291 #ifdef FEATURE_EXTERNAL_FILTERS
1292 FT_EXTERNAL_CONTENT_FILTER = 5,
1294 FT_INVALID_FILTER = 42,
1297 #ifdef FEATURE_EXTERNAL_FILTERS
1298 #define MAX_FILTER_TYPES 6
1300 #define MAX_FILTER_TYPES 5
1304 * This struct represents one filter (one block) from
1305 * the re_filterfile. If there is more than one filter
1306 * in the file, the file will be represented by a
1307 * chained list of re_filterfile specs.
1309 struct re_filterfile_spec
1311 char *name; /**< Name from FILTER: statement in re_filterfile. */
1312 char *description; /**< Description from FILTER: statement in re_filterfile. */
1313 struct list patterns[1]; /**< The patterns from the re_filterfile. */
1314 pcrs_job *joblist; /**< The resulting compiled pcrs_jobs. */
1315 enum filter_type type; /**< Filter type (content, client-header, server-header). */
1316 int dynamic; /**< Set to one if the pattern might contain variables
1317 and has to be recompiled for every request. */
1318 struct re_filterfile_spec *next; /**< The pointer for chaining. */
1324 #define ACL_PERMIT 1 /**< Accept connection request */
1325 #define ACL_DENY 2 /**< Reject connection request */
1328 * An IP address pattern. Used to specify networks in the ACL.
1330 struct access_control_addr
1333 struct sockaddr_storage addr; /* <The TCP address in network order. */
1334 struct sockaddr_storage mask; /* <The TCP mask in network order. */
1336 unsigned long addr; /**< The IP address as an integer. */
1337 unsigned long mask; /**< The network mask as an integer. */
1338 unsigned long port; /**< The port number. */
1339 #endif /* HAVE_RFC2553 */
1343 * An access control list (ACL) entry.
1345 * This is a linked list.
1347 struct access_control_list
1349 struct access_control_addr src[1]; /**< Client IP address */
1350 struct access_control_addr dst[1]; /**< Website or parent proxy IP address */
1352 int wildcard_dst; /** < dst address is wildcard */
1355 short action; /**< ACL_PERMIT or ACL_DENY */
1356 struct access_control_list *next; /**< The next entry in the ACL. */
1359 #endif /* def FEATURE_ACL */
1362 /** Maximum number of loaders (actions, re_filter, ...) */
1366 * This struct represents a client-spcific-tag and it's description
1368 struct client_tag_spec
1370 char *name; /**< Name from "client-specific-tag bla" directive */
1371 char *description; /**< Description from "client-specific-tag-description " directive */
1372 struct client_tag_spec *next; /**< The pointer for chaining. */
1375 /** configuration_spec::feature_flags: CGI actions editor. */
1376 #define RUNTIME_FEATURE_CGI_EDIT_ACTIONS 1U
1378 /** configuration_spec::feature_flags: Web-based toggle. */
1379 #define RUNTIME_FEATURE_CGI_TOGGLE 2U
1381 /** configuration_spec::feature_flags: HTTP-header-based toggle. */
1382 #define RUNTIME_FEATURE_HTTP_TOGGLE 4U
1384 /** configuration_spec::feature_flags: Split large forms to limit the number of GET arguments. */
1385 #define RUNTIME_FEATURE_SPLIT_LARGE_FORMS 8U
1387 /** configuration_spec::feature_flags: Check the host header for requests with host-less request lines. */
1388 #define RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS 16U
1390 /** configuration_spec::feature_flags: Don't allow to circumvent blocks with the force prefix. */
1391 #define RUNTIME_FEATURE_ENFORCE_BLOCKS 32U
1393 /** configuration_spec::feature_flags: Allow to block or redirect CGI requests. */
1394 #define RUNTIME_FEATURE_CGI_CRUNCHING 64U
1396 /** configuration_spec::feature_flags: Try to keep the connection to the server alive. */
1397 #define RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE 128U
1399 /** configuration_spec::feature_flags: Share outgoing connections between different client connections. */
1400 #define RUNTIME_FEATURE_CONNECTION_SHARING 256U
1402 /** configuration_spec::feature_flags: Pages blocked with +handle-as-empty-doc get a return status of 200 OK. */
1403 #define RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK 512U
1405 /** configuration_spec::feature_flags: Buffered content is sent compressed if the client supports it. */
1406 #define RUNTIME_FEATURE_COMPRESSION 1024U
1408 /** configuration_spec::feature_flags: Pipelined requests are served instead of being discarded. */
1409 #define RUNTIME_FEATURE_TOLERATE_PIPELINING 2048U
1411 /** configuration_spec::feature_flags: Proxy authentication headers are forwarded instead of removed. */
1412 #define RUNTIME_FEATURE_FORWARD_PROXY_AUTHENTICATION_HEADERS 4096U
1415 * Data loaded from the configuration file.
1417 * (Anomaly: toggle is still handled through a global, not this structure)
1419 struct configuration_spec
1424 /** Nonzero to enable multithreading. */
1427 /** Bitmask of features that can be controlled through the config file. */
1428 unsigned feature_flags;
1430 /** The log file name. */
1431 const char *logfile;
1433 /** The config file directory. */
1434 const char *confdir;
1436 /** The directory for customized CGI templates. */
1437 const char *templdir;
1439 /** "Cross-origin resource sharing" (CORS) allowed origin */
1440 const char *cors_allowed_origin;
1442 #ifdef FEATURE_EXTERNAL_FILTERS
1443 /** The template used to create temporary files. */
1444 const char *temporary_directory;
1447 /** The log file directory. */
1450 /** The full paths to the actions files. */
1451 const char *actions_file[MAX_AF_FILES];
1453 /** The short names of the actions files. */
1454 const char *actions_file_short[MAX_AF_FILES];
1456 /** The administrator's email address */
1457 char *admin_address;
1459 /** A URL with info on this proxy */
1460 char *proxy_info_url;
1462 /** URL to the user manual (on our website or local copy) */
1465 /** The file names of the pcre filter files. */
1466 const char *re_filterfile[MAX_AF_FILES];
1468 /** The short names of the pcre filter files. */
1469 const char *re_filterfile_short[MAX_AF_FILES];
1471 /**< List of ordered client header names. */
1472 struct list ordered_client_headers[1];
1474 /** The hostname to show on CGI pages, or NULL to use the real one. */
1475 const char *hostname;
1477 /** IP addresses to bind to. Defaults to HADDR_DEFAULT == 127.0.0.1. */
1478 const char *haddr[MAX_LISTENING_SOCKETS];
1480 /** Trusted referring site that can be used to reach CGI
1481 * pages that aren't marked as harmful.
1483 const char *trusted_cgi_referrer;
1485 /** Ports to bind to. Defaults to HADDR_PORT == 8118. */
1486 int hport[MAX_LISTENING_SOCKETS];
1488 /** Size limit for IOB */
1489 size_t buffer_limit;
1491 /** Size of the receive buffer */
1492 size_t receive_buffer_size;
1494 /** Use accf_http(4) if available */
1495 int enable_accept_filter;
1497 /** Backlog passed to listen() */
1500 #ifdef FEATURE_TRUST
1502 /** The file name of the trust file. */
1503 const char * trustfile;
1505 /** FIXME: DOCME: Document this. */
1506 struct list trust_info[1];
1508 /** FIXME: DOCME: Document this. */
1509 struct pattern_spec *trust_list[MAX_TRUSTED_REFERRERS];
1511 #endif /* def FEATURE_TRUST */
1513 #ifdef FEATURE_CLIENT_TAGS
1514 struct client_tag_spec client_tags[1];
1516 /* Maximum number of seconds a temporarily enabled tag stays enabled. */
1517 unsigned int client_tag_lifetime;
1518 #endif /* def FEATURE_CLIENT_TAGS */
1519 int trust_x_forwarded_for;
1523 /** The access control list (ACL). */
1524 struct access_control_list *acl;
1526 #endif /* def FEATURE_ACL */
1528 /** Information about parent proxies (forwarding). */
1529 struct forward_spec *forward;
1531 /** Number of retries in case a forwarded connection attempt fails */
1532 int forwarded_connect_retries;
1534 /** Maximum number of client connections. */
1535 int max_client_connections;
1537 /* Timeout when waiting on sockets for data to become available. */
1540 #ifdef FEATURE_CONNECTION_KEEP_ALIVE
1541 /* Maximum number of seconds after which an open connection will no longer be reused. */
1542 unsigned int keep_alive_timeout;
1544 /* Assumed server-side keep alive timeout if none is specified. */
1545 unsigned int default_server_timeout;
1548 #ifdef FEATURE_COMPRESSION
1549 int compression_level;
1552 /** All options from the config file, HTML-formatted. */
1555 /** The configuration file object. */
1556 struct file_list *config_file_list;
1558 /** List of loaders */
1559 int (*loaders[NLOADERS])(struct client_state *);
1561 /** Nonzero if we need to bind() to the new port. */
1564 #ifdef FEATURE_HTTPS_FILTERING
1565 /** Password for proxy ca file **/
1568 /** Directory with files of ca **/
1571 /** Filename of ca certificate **/
1572 char * ca_cert_file;
1574 /** Filename of ca key **/
1577 /** Directory for saving certificates and keys for each webpage **/
1578 char *certificate_directory;
1580 /** Filename of trusted CAs certificates **/
1581 char * trusted_cas_file;
1585 /** Calculates the number of elements in an array, using sizeof. */
1586 #define SZ(X) (sizeof(X) / sizeof(*X))
1588 /** The force load URL prefix. Not behind an ifdef because
1589 * it's always used for the show-status page. */
1590 #define FORCE_PREFIX "/PRIVOXY-FORCE"
1592 #ifdef FEATURE_NO_GIFS
1593 /** The MIME type for images ("image/png" or "image/gif"). */
1594 #define BUILTIN_IMAGE_MIMETYPE "image/png"
1596 #define BUILTIN_IMAGE_MIMETYPE "image/gif"
1597 #endif /* def FEATURE_NO_GIFS */
1604 /** URL for the Privoxy home page. */
1605 #define HOME_PAGE_URL "https://www.privoxy.org/"
1607 /** URL for the Privoxy user manual. */
1608 #define USER_MANUAL_URL HOME_PAGE_URL VERSION "/user-manual/"
1610 /** Prefix for actions help links (append to USER_MANUAL_URL). */
1611 #define ACTIONS_HELP_PREFIX "actions-file.html#"
1613 /** Prefix for config option help links (append to USER_MANUAL_URL). */
1614 #define CONFIG_HELP_PREFIX "config.html#"
1617 * The "hosts" to intercept and display CGI pages.
1618 * First one is a hostname only, second one can specify host and path.
1621 * 1) Do not specify the http: prefix
1622 * 2) CGI_SITE_2_PATH must not end with /, one will be added automatically.
1623 * 3) CGI_SITE_2_PATH must start with /, unless it is the empty string.
1625 #define CGI_SITE_1_HOST "p.p"
1626 #define CGI_SITE_2_HOST "config.privoxy.org"
1627 #define CGI_SITE_2_PATH ""
1630 * The prefix for CGI pages. Written out in generated HTML.
1631 * INCLUDES the trailing slash.
1633 #define CGI_PREFIX "http://" CGI_SITE_2_HOST CGI_SITE_2_PATH "/"
1635 #endif /* ndef PROJECT_H_INCLUDED */