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) 2001-2021 the
12 * Privoxy team. https://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_INSPECTION
49 * Macros for SSL structures
51 #define CERT_INFO_BUF_SIZE 4096
52 #define ISSUER_NAME_BUF_SIZE 2048
53 #define HASH_OF_HOST_BUF_SIZE 16
54 #endif /* FEATURE_HTTPS_INSPECTION */
56 #ifdef FEATURE_HTTPS_INSPECTION_MBEDTLS
57 #include "mbedtls/net_sockets.h"
58 #include "mbedtls/entropy.h"
59 #include "mbedtls/ctr_drbg.h"
61 #if defined(MBEDTLS_SSL_CACHE_C)
62 #include "mbedtls/ssl_cache.h"
64 #endif /* FEATURE_HTTPS_INSPECTION_MBEDTLS */
66 #ifdef FEATURE_HTTPS_INSPECTION_OPENSSL
70 #undef X509_EXTENSIONS
72 #include <openssl/ssl.h>
73 #include <openssl/bio.h>
74 #include <openssl/err.h>
75 #endif /* FEATURE_HTTPS_INSPECTION_OPENSSL */
77 /* Need for struct sockaddr_storage */
81 # include <sys/socket.h>
84 # include <ws2tcpip.h>
85 typedef unsigned short in_port_t;
91 * Include appropriate regular expression libraries.
92 * Note that pcrs and pcre (native) are needed for cgi
93 * and are included anyway.
99 # ifdef PCRE_H_IN_SUBDIR
100 # include <pcre/pcre.h>
113 # include "pcreposix.h"
115 # ifdef PCRE_H_IN_SUBDIR
116 # include <pcre/pcreposix.h>
118 # include <pcreposix.h>
124 * I don't want to have to #include all this just for the declaration
125 * of SOCKET. However, it looks like we have to...
136 typedef SOCKET jb_socket;
138 #define JB_INVALID_SOCKET INVALID_SOCKET
140 #else /* ndef _WIN32 */
143 * The type used by sockets. On UNIX it's an int. Microsoft decided to
144 * make it an unsigned.
146 typedef int jb_socket;
149 * The error value used for variables of type jb_socket. On UNIX this
150 * is -1, however Microsoft decided to make socket handles unsigned, so
151 * they use a different value.
154 #define JB_INVALID_SOCKET (-1)
156 #endif /* ndef _WIN32 */
160 * A standard error code. This should be JB_ERR_OK or one of the JB_ERR_xxx
165 JB_ERR_OK = 0, /**< Success, no error */
166 JB_ERR_MEMORY = 1, /**< Out of memory */
167 JB_ERR_CGI_PARAMS = 2, /**< Missing or corrupt CGI parameters */
168 JB_ERR_FILE = 3, /**< Error opening, reading or writing a file */
169 JB_ERR_PARSE = 4, /**< Error parsing file */
170 JB_ERR_MODIFIED = 5, /**< File has been modified outside of the
171 CGI actions editor. */
172 JB_ERR_COMPRESS = 6 /**< Error on decompression */
175 typedef enum privoxy_err jb_err;
178 * This macro is used to free a pointer that may be NULL.
179 * It also sets the variable to NULL after it's been freed.
180 * The parameter should be a simple variable without side effects.
182 #define freez(X) { if(X) { free((void*)X); X = NULL ; } }
186 * Macro definitions for platforms where isspace() and friends
187 * are macros that use their argument directly as an array index
188 * and thus better be positive. Supposedly that's the case on
189 * some unspecified Solaris versions.
190 * Note: Remember to #include <ctype.h> if you use these macros.
192 #define privoxy_isdigit(__X) isdigit((int)(unsigned char)(__X))
193 #define privoxy_isupper(__X) isupper((int)(unsigned char)(__X))
194 #define privoxy_toupper(__X) toupper((int)(unsigned char)(__X))
195 #define privoxy_tolower(__X) tolower((int)(unsigned char)(__X))
196 #define privoxy_isspace(__X) isspace((int)(unsigned char)(__X))
199 * Use for statically allocated buffers if you have no other choice.
200 * Remember to check the length of what you write into the buffer
201 * - we don't want any buffer overflows!
203 #define BUFFER_SIZE 5000
206 * Max length of CGI parameters (arbitrary limit).
208 #define CGI_PARAM_LEN_MAX 500U
211 * Buffer size for capturing struct hostent data in the
212 * gethostby(name|addr)_r library calls. Since we don't
213 * loop over gethostbyname_r, the buffer must be sufficient
214 * to accommodate multiple IN A RRs, as used in DNS round robin
215 * load balancing. W3C's wwwlib uses 1K, so that should be
216 * good enough for us, too.
219 * XXX: Temporary doubled, for some configurations
220 * 1K is still too small and we didn't get the
221 * real fix ready for inclusion.
223 #define HOSTENT_BUFFER_SIZE 2048
226 * Default TCP/IP address to listen on, as a string.
227 * Set to "127.0.0.1:8118".
229 #define HADDR_DEFAULT "127.0.0.1:8118"
232 /* Forward def for struct client_state */
233 struct configuration_spec;
237 * Entry in a linked list of strings.
242 * The string pointer. It must point to a dynamically malloc()ed
243 * string or be NULL for the list functions to work. In the latter
244 * case, just be careful next time you iterate through the list in
249 /** Next entry in the linked list, or NULL if no more. */
250 struct list_entry *next;
254 * A header for a linked list of strings.
258 /** First entry in the list, or NULL if the list is empty. */
259 struct list_entry *first;
261 /** Last entry in the list, or NULL if the list is empty. */
262 struct list_entry *last;
267 * An entry in a map. This is a name=value pair.
271 /** The key for the map. */
273 /** The value associated with that key. */
275 /** The next map entry, or NULL if none. */
276 struct map_entry *next;
280 * A map from a string to another string.
281 * This is used for the parameters passed in a HTTP GET request, and
282 * to store the exports when the CGI interface is filling in a template.
286 /** The first map entry, or NULL if the map is empty. */
287 struct map_entry *first;
288 /** The last map entry, or NULL if the map is empty. */
289 struct map_entry *last;
292 #ifdef FEATURE_HTTPS_INSPECTION_MBEDTLS
294 * Struct of attributes necessary for TLS/SSL connection
297 mbedtls_ssl_context ssl;
298 mbedtls_ssl_config conf;
299 mbedtls_net_context socket_fd;
300 mbedtls_x509_crt server_cert;
301 mbedtls_x509_crt ca_cert;
302 mbedtls_pk_context prim_key;
303 int *ciphersuites_list;
305 #if defined(MBEDTLS_SSL_CACHE_C)
306 mbedtls_ssl_cache_context cache;
308 } mbedtls_connection_attr;
309 #endif /* FEATURE_HTTPS_INSPECTION_MBEDTLS */
311 #ifdef FEATURE_HTTPS_INSPECTION_OPENSSL
313 * Struct of attributes necessary for TLS/SSL connection
318 } openssl_connection_attr;
319 #endif /* FEATURE_HTTPS_INSPECTION_OPENSSL */
321 * A HTTP request. This includes the method (GET, POST) and
324 * This is also used whenever we want to match a URL against a
325 * URL pattern. This always contains the URL to match, and never
326 * a URL pattern. (See struct url_spec).
330 char *cmd; /**< Whole command line: method, URL, Version */
331 char *ocmd; /**< Backup of original cmd for CLF logging */
332 char *gpc; /**< HTTP method: GET, POST, ... */
333 char *url; /**< The URL */
334 char *version; /**< Protocol version */
335 int status; /**< HTTP Status */
337 int port; /**< Port of URL or 80 (default) */
338 char *host; /**< Host part of URL */
339 char *path; /**< Path of URL */
340 char *hostport; /**< host[:port] */
342 char *host_ip_addr_str; /**< String with dotted decimal representation
343 of host's IP. NULL before connect_to() */
345 char *dbuffer; /**< Buffer with '\0'-delimited domain name. */
346 char **dvec; /**< List of pointers to the strings in dbuffer. */
347 int dcount; /**< How many parts to this domain? (length of dvec) */
349 #ifdef FEATURE_HTTPS_INSPECTION
350 int client_ssl; /**< Flag if we should communicate with client over ssl */
351 int server_ssl; /**< Flag if we should communicate with server over ssl */
352 unsigned char hash_of_host_hex[(HASH_OF_HOST_BUF_SIZE * 2) + 1]; /**< chars for hash in hex string and one for '\0' */
353 unsigned char hash_of_host[HASH_OF_HOST_BUF_SIZE+1]; /**< chars for bytes of hash and one for '\0' */
355 short int ssl; /**< Flag if protocol is https */
359 #ifdef FEATURE_HTTPS_INSPECTION
361 * Struct for linked list containing certificates
363 typedef struct certs_chain {
364 char info_buf[CERT_INFO_BUF_SIZE]; /* text info about properties of certificate */
365 char *file_buf; /* buffer for whole certificate - format to save in file */
366 struct certs_chain *next; /* next certificate in chain of trust */
371 * Reasons for generating a http_response instead of delivering
372 * the requested resource. Mostly ordered the way they are checked
392 * Response generated by CGI, blocker, or error handler
396 char *status; /**< HTTP status (string). */
397 struct list headers[1]; /**< List of header lines. */
398 char *head; /**< Formatted http response head. */
399 size_t head_length; /**< Length of http response head. */
400 char *body; /**< HTTP document body. */
401 size_t content_length; /**< Length of body, REQUIRED if binary body. */
402 int is_static; /**< Nonzero if the content will never change and
403 should be cached by the browser (e.g. images). */
404 enum crunch_reason crunch_reason; /**< Why the response was generated in the first place. */
409 #ifdef FEATURE_PCRE_HOST_PATTERNS
410 regex_t *host_regex;/**< Regex for host matching */
411 enum host_regex_type { VANILLA_HOST_PATTERN, PCRE_HOST_PATTERN } host_regex_type;
412 #endif /* defined FEATURE_PCRE_HOST_PATTERNS */
413 int dcount; /**< How many parts to this domain? (length of dvec) */
414 char *dbuffer; /**< Buffer with '\0'-delimited domain name, or NULL to match all hosts. */
415 char **dvec; /**< List of pointers to the strings in dbuffer. */
416 int unanchored; /**< Bitmap - flags are ANCHOR_LEFT and ANCHOR_RIGHT. */
418 char *port_list; /**< List of acceptable ports, or NULL to match all ports */
420 regex_t *preg; /**< Regex for matching path part */
424 * A URL or a tag pattern.
428 /** The string which was parsed to produce this pattern_spec.
429 Used for debugging or display only. */
434 struct url_spec url_spec;
438 unsigned int flags; /**< Bitmap with various pattern properties. */
442 * Constant for host part matching in URLs. If set, indicates that the start of
443 * the pattern must match the start of the URL. E.g. this is not set for the
444 * pattern ".example.com", so that it will match both "example.com" and
445 * "www.example.com". It is set for the pattern "example.com", which makes it
446 * match "example.com" only, not "www.example.com".
448 #define ANCHOR_LEFT 1
451 * Constant for host part matching in URLs. If set, indicates that the end of
452 * the pattern must match the end of the URL. E.g. this is not set for the
453 * pattern "ad.", so that it will match any host called "ad", irrespective
454 * of how many subdomains are in the fully-qualified domain name.
456 #define ANCHOR_RIGHT 2
458 /** Pattern spec bitmap: It's an URL pattern. */
459 #define PATTERN_SPEC_URL_PATTERN 0x00000001UL
461 /** Pattern spec bitmap: It's a TAG pattern. */
462 #define PATTERN_SPEC_TAG_PATTERN 0x00000002UL
464 /** Pattern spec bitmap: It's a NO-REQUEST-TAG pattern. */
465 #define PATTERN_SPEC_NO_REQUEST_TAG_PATTERN 0x00000004UL
467 /** Pattern spec bitmap: It's a NO-RESPONSE-TAG pattern. */
468 #define PATTERN_SPEC_NO_RESPONSE_TAG_PATTERN 0x00000008UL
470 /** Pattern spec bitmap: It's a CLIENT-TAG pattern. */
471 #define PATTERN_SPEC_CLIENT_TAG_PATTERN 0x00000010UL
474 * An I/O buffer. Holds a string which can be appended to, and can have data
475 * removed from the beginning.
479 char *buf; /**< Start of buffer */
480 char *cur; /**< Start of relevant data */
481 char *eod; /**< End of relevant data */
482 size_t size; /**< Size as malloc()ed */
486 /* Bits for csp->content_type bitmask: */
487 #define CT_TEXT 0x0001U /**< Suitable for pcrs filtering. */
488 #define CT_GIF 0x0002U /**< Suitable for GIF filtering. */
489 #define CT_TABOO 0x0004U /**< DO NOT filter, irrespective of other flags. */
491 /* Although these are not, strictly speaking, content types
492 * (they are content encodings), it is simple to handle them
495 #define CT_GZIP 0x0010U /**< gzip-compressed data. */
496 #define CT_DEFLATE 0x0020U /**< zlib-compressed data. */
497 #define CT_BROTLI 0x0040U /**< Brotli-compressed data. */
500 * Flag to signal that the server declared the content type,
501 * so we can differentiate between unknown and undeclared
504 #define CT_DECLARED 0x0080U
507 * The mask which includes all actions.
509 #define ACTION_MASK_ALL (~0UL)
512 * The most compatible set of actions - i.e. none.
514 #define ACTION_MOST_COMPATIBLE 0x00000000UL
516 /** Action bitmap: Block the request. */
517 #define ACTION_BLOCK 0x00000001UL
518 /** Action bitmap: Deanimate if it's a GIF. */
519 #define ACTION_DEANIMATE 0x00000002UL
520 /** Action bitmap: Downgrade HTTP/1.1 to 1.0. */
521 #define ACTION_DOWNGRADE 0x00000004UL
522 /** Action bitmap: Fast redirects. */
523 #define ACTION_FAST_REDIRECTS 0x00000008UL
524 /** Action bitmap: Remove or add "X-Forwarded-For" header. */
525 #define ACTION_CHANGE_X_FORWARDED_FOR 0x00000010UL
526 /** Action bitmap: Hide "From" header. */
527 #define ACTION_HIDE_FROM 0x00000020UL
528 /** Action bitmap: Hide "Referer" header. (sic - follow HTTP, not English). */
529 #define ACTION_HIDE_REFERER 0x00000040UL
530 /** Action bitmap: Hide "User-Agent" and similar headers. */
531 #define ACTION_HIDE_USER_AGENT 0x00000080UL
532 /** Action bitmap: This is an image. */
533 #define ACTION_IMAGE 0x00000100UL
534 /** Action bitmap: Sets the image blocker. */
535 #define ACTION_IMAGE_BLOCKER 0x00000200UL
536 /** Action bitmap: Prevent compression. */
537 #define ACTION_NO_COMPRESSION 0x00000400UL
538 /** Action bitmap: Change cookies to session only cookies. */
539 #define ACTION_SESSION_COOKIES_ONLY 0x00000800UL
540 /** Action bitmap: Block cookies coming from the client. */
541 #define ACTION_CRUNCH_OUTGOING_COOKIES 0x00001000UL
542 /** Action bitmap: Block cookies coming from the server. */
543 #define ACTION_CRUNCH_INCOMING_COOKIES 0x00002000UL
544 /** Action bitmap: Override the forward settings in the config file */
545 #define ACTION_FORWARD_OVERRIDE 0x00004000UL
546 /** Action bitmap: Block as empty document */
547 #define ACTION_HANDLE_AS_EMPTY_DOCUMENT 0x00008000UL
548 /** Action bitmap: Limit CONNECT requests to safe ports. */
549 #define ACTION_LIMIT_CONNECT 0x00010000UL
550 /** Action bitmap: Redirect request. */
551 #define ACTION_REDIRECT 0x00020000UL
552 /** Action bitmap: Crunch or modify "if-modified-since" header. */
553 #define ACTION_HIDE_IF_MODIFIED_SINCE 0x00040000UL
554 /** Action bitmap: Overwrite Content-Type header. */
555 #define ACTION_CONTENT_TYPE_OVERWRITE 0x00080000UL
556 /** Action bitmap: Crunch specified server header. */
557 #define ACTION_CRUNCH_SERVER_HEADER 0x00100000UL
558 /** Action bitmap: Crunch specified client header */
559 #define ACTION_CRUNCH_CLIENT_HEADER 0x00200000UL
560 /** Action bitmap: Enable text mode by force */
561 #define ACTION_FORCE_TEXT_MODE 0x00400000UL
562 /** Action bitmap: Remove the "If-None-Match" header. */
563 #define ACTION_CRUNCH_IF_NONE_MATCH 0x00800000UL
564 /** Action bitmap: Enable content-disposition crunching */
565 #define ACTION_HIDE_CONTENT_DISPOSITION 0x01000000UL
566 /** Action bitmap: Replace or block Last-Modified header */
567 #define ACTION_OVERWRITE_LAST_MODIFIED 0x02000000UL
568 /** Action bitmap: Replace or block Accept-Language header */
569 #define ACTION_HIDE_ACCEPT_LANGUAGE 0x04000000UL
570 /** Action bitmap: Limit the cookie lifetime */
571 #define ACTION_LIMIT_COOKIE_LIFETIME 0x08000000UL
572 /** Action bitmap: Delay writes */
573 #define ACTION_DELAY_RESPONSE 0x10000000UL
574 /** Action bitmap: Turn https inspection on */
575 #define ACTION_HTTPS_INSPECTION 0x20000000UL
576 /** Action bitmap: Turn certificates verification off */
577 #define ACTION_IGNORE_CERTIFICATE_ERRORS 0x40000000UL
579 /** Action string index: How to deanimate GIFs */
580 #define ACTION_STRING_DEANIMATE 0
581 /** Action string index: Replacement for "From:" header */
582 #define ACTION_STRING_FROM 1
583 /** Action string index: How to block images */
584 #define ACTION_STRING_IMAGE_BLOCKER 2
585 /** Action string index: Replacement for "Referer:" header */
586 #define ACTION_STRING_REFERER 3
587 /** Action string index: Replacement for "User-Agent:" header */
588 #define ACTION_STRING_USER_AGENT 4
589 /** Action string index: Legal CONNECT ports. */
590 #define ACTION_STRING_LIMIT_CONNECT 5
591 /** Action string index: Server headers containing this pattern are crunched*/
592 #define ACTION_STRING_SERVER_HEADER 6
593 /** Action string index: Client headers containing this pattern are crunched*/
594 #define ACTION_STRING_CLIENT_HEADER 7
595 /** Action string index: Replacement for the "Accept-Language:" header*/
596 #define ACTION_STRING_LANGUAGE 8
597 /** Action string index: Replacement for the "Content-Type:" header*/
598 #define ACTION_STRING_CONTENT_TYPE 9
599 /** Action string index: Replacement for the "content-disposition:" header*/
600 #define ACTION_STRING_CONTENT_DISPOSITION 10
601 /** Action string index: Replacement for the "If-Modified-Since:" header*/
602 #define ACTION_STRING_IF_MODIFIED_SINCE 11
603 /** Action string index: Replacement for the "Last-Modified:" header. */
604 #define ACTION_STRING_LAST_MODIFIED 12
605 /** Action string index: Redirect URL */
606 #define ACTION_STRING_REDIRECT 13
607 /** Action string index: Decode before redirect? */
608 #define ACTION_STRING_FAST_REDIRECTS 14
609 /** Action string index: Overriding forward rule. */
610 #define ACTION_STRING_FORWARD_OVERRIDE 15
611 /** Action string index: Reason for the block. */
612 #define ACTION_STRING_BLOCK 16
613 /** Action string index: what to do with the "X-Forwarded-For" header. */
614 #define ACTION_STRING_CHANGE_X_FORWARDED_FOR 17
615 /** Action string index: how many minutes cookies should be valid. */
616 #define ACTION_STRING_LIMIT_COOKIE_LIFETIME 18
617 /** Action string index: how many milliseconds writes should be delayed. */
618 #define ACTION_STRING_DELAY_RESPONSE 19
619 /** Number of string actions. */
620 #define ACTION_STRING_COUNT 20
623 /* To make the ugly hack in sed easier to understand */
624 #define CHECK_EVERY_HEADER_REMAINING 0
627 /** Index into current_action_spec::multi[] for headers to add. */
628 #define ACTION_MULTI_ADD_HEADER 0
629 /** Index into current_action_spec::multi[] for content filters to apply. */
630 #define ACTION_MULTI_FILTER 1
631 /** Index into current_action_spec::multi[] for server-header filters to apply. */
632 #define ACTION_MULTI_SERVER_HEADER_FILTER 2
633 /** Index into current_action_spec::multi[] for client-header filters to apply. */
634 #define ACTION_MULTI_CLIENT_HEADER_FILTER 3
635 /** Index into current_action_spec::multi[] for client-header tags to apply. */
636 #define ACTION_MULTI_CLIENT_HEADER_TAGGER 4
637 /** Index into current_action_spec::multi[] for server-header tags to apply. */
638 #define ACTION_MULTI_SERVER_HEADER_TAGGER 5
639 /** Number of multi-string actions. */
640 #define ACTION_MULTI_EXTERNAL_FILTER 6
641 /** Index into current_action_spec::multi[] for tags to suppress. */
642 #define ACTION_MULTI_SUPPRESS_TAG 7
643 /** Index into current_action_spec::multi[] for client body filters to apply. */
644 #define ACTION_MULTI_CLIENT_BODY_FILTER 8
645 /** Index into current_action_spec::multi[] for client body taggers to apply. */
646 #define ACTION_MULTI_CLIENT_BODY_TAGGER 9
647 /** Number of multi-string actions. */
648 #define ACTION_MULTI_COUNT 10
652 * This structure contains a list of actions to apply to a URL.
653 * It only contains positive instructions - no "-" options.
654 * It is not used to store the actions list itself, only for
655 * url_actions() to return the current values.
657 struct current_action_spec
659 /** Actions to apply. A bit set to "1" means perform the action. */
663 * Parameters for those actions that require them.
664 * Each entry is valid if & only if the corresponding entry in "flags" is
667 char * string[ACTION_STRING_COUNT];
669 /** Lists of strings for multi-string actions. */
670 struct list multi[ACTION_MULTI_COUNT][1];
675 * This structure contains a set of changes to actions.
676 * It can contain both positive and negative instructions.
677 * It is used to store an entry in the actions list.
681 unsigned long mask; /**< Actions to keep. A bit set to "0" means remove action. */
682 unsigned long add; /**< Actions to add. A bit set to "1" means add action. */
685 * Parameters for those actions that require them.
686 * Each entry is valid if & only if the corresponding entry in "flags" is
689 char * string[ACTION_STRING_COUNT];
691 /** Lists of strings to remove, for multi-string actions. */
692 struct list multi_remove[ACTION_MULTI_COUNT][1];
694 /** If nonzero, remove *all* strings from the multi-string action. */
695 int multi_remove_all[ACTION_MULTI_COUNT];
697 /** Lists of strings to add, for multi-string actions. */
698 struct list multi_add[ACTION_MULTI_COUNT][1];
703 * This structure is used to store action files.
705 * It contains an URL or tag pattern, and the changes to
706 * the actions. It's a linked list and should only be
707 * free'd through unload_actions_file() unless there's
708 * only a single entry.
712 struct pattern_spec url[1]; /**< The URL or tag pattern. */
714 struct action_spec *action; /**< Action settings that might be shared with
715 the list entry before or after the current
716 one and can't be free'd willy nilly. */
718 struct url_actions *next; /**< Next action section in file, or NULL. */
721 enum forwarder_type {
722 /**< Don't use a SOCKS server, forward to a HTTP proxy directly */
724 /**< original SOCKS 4 protocol */
726 /**< SOCKS 4A, DNS resolution is done by the SOCKS server */
728 /**< SOCKS 5 with hostnames, DNS resolution is done by the SOCKS server */
730 /**< Like SOCKS5, but uses non-standard Tor extensions (currently only optimistic data) */
733 * Don't use a SOCKS server, forward to the specified webserver.
734 * The difference to SOCKS_NONE is that a request line without
741 * Structure to hold the server socket and the information
742 * required to make sure we only reuse the connection if
743 * the host and forwarding settings are the same.
745 struct reusable_connection
749 time_t timestamp; /* XXX: rename? */
752 time_t response_received;
755 * Number of seconds after which this
756 * connection will no longer be reused.
758 unsigned int keep_alive_timeout;
760 * Number of requests that were sent to this connection.
761 * This is currently only for debugging purposes.
763 unsigned int requests_sent_total;
767 enum forwarder_type forwarder_type;
780 * Flags for use in csp->flags
784 * Flag for csp->flags: Set if this client is processing data.
785 * Cleared when the thread associated with this structure dies.
787 #define CSP_FLAG_ACTIVE 0x01U
790 * Flag for csp->flags: Set if the server's reply is in "chunked"
793 #define CSP_FLAG_CHUNKED 0x02U
796 * Flag for csp->flags: Set if this request was enforced, although it would
797 * normally have been blocked.
799 #define CSP_FLAG_FORCED 0x04U
802 * Flag for csp->flags: Set if any modification to the body was done.
804 #define CSP_FLAG_MODIFIED 0x08U
807 * Flag for csp->flags: Set if request was blocked.
809 #define CSP_FLAG_REJECTED 0x10U
812 * Flag for csp->flags: Set if we are toggled on (FEATURE_TOGGLE).
814 #define CSP_FLAG_TOGGLED_ON 0x20U
817 * Flag for csp->flags: Set if an acceptable Connection header
818 * has already been set by the client.
820 #define CSP_FLAG_CLIENT_CONNECTION_HEADER_SET 0x00000040U
823 * Flag for csp->flags: Set if an acceptable Connection header
824 * has already been set by the server.
826 #define CSP_FLAG_SERVER_CONNECTION_HEADER_SET 0x00000080U
829 * Flag for csp->flags: Signals header parsers whether they
830 * are parsing server or client headers.
832 #define CSP_FLAG_CLIENT_HEADER_PARSING_DONE 0x00000100U
835 * Flag for csp->flags: Set if adding the Host: header
838 #define CSP_FLAG_HOST_HEADER_IS_SET 0x00000200U
841 * Flag for csp->flags: Set if filtering is disabled by X-Filter: No
842 * XXX: As we now have tags we might as well ditch this.
844 #define CSP_FLAG_NO_FILTERING 0x00000400U
847 * Flag for csp->flags: Set the client IP has appended to
848 * an already existing X-Forwarded-For header in which case
849 * no new header has to be generated.
851 #define CSP_FLAG_X_FORWARDED_FOR_APPENDED 0x00000800U
854 * Flag for csp->flags: Set if the server wants to keep
855 * the connection alive.
857 #define CSP_FLAG_SERVER_CONNECTION_KEEP_ALIVE 0x00001000U
860 * Flag for csp->flags: Set if the server specified the
863 #define CSP_FLAG_SERVER_CONTENT_LENGTH_SET 0x00002000U
866 * Flag for csp->flags: Set if we know the content length,
867 * either because the server set it, or we figured it out
870 #define CSP_FLAG_CONTENT_LENGTH_SET 0x00004000U
873 * Flag for csp->flags: Set if the client wants to keep
874 * the connection alive.
876 #define CSP_FLAG_CLIENT_CONNECTION_KEEP_ALIVE 0x00008000U
879 * Flag for csp->flags: Set if we think we got the whole
880 * client request and shouldn't read any additional data
881 * coming from the client until the current request has
884 #define CSP_FLAG_CLIENT_REQUEST_COMPLETELY_READ 0x00010000U
887 * Flag for csp->flags: Set if the server promised us to
888 * keep the connection open for a known number of seconds.
890 #define CSP_FLAG_SERVER_KEEP_ALIVE_TIMEOUT_SET 0x00020000U
893 * Flag for csp->flags: Set if we think we can't reuse
894 * the server socket. XXX: It's also set after sabotaging
895 * pipelining attempts which is somewhat inconsistent with
898 #define CSP_FLAG_SERVER_SOCKET_TAINTED 0x00040000U
901 * Flag for csp->flags: Set if the Proxy-Connection header
902 * is among the server headers.
904 #define CSP_FLAG_SERVER_PROXY_CONNECTION_HEADER_SET 0x00080000U
907 * Flag for csp->flags: Set if the client reused its connection.
909 #define CSP_FLAG_REUSED_CLIENT_CONNECTION 0x00100000U
912 * Flag for csp->flags: Set if the supports deflate compression.
914 #define CSP_FLAG_CLIENT_SUPPORTS_DEFLATE 0x00200000U
917 * Flag for csp->flags: Set if the content has been deflated by Privoxy
919 #define CSP_FLAG_BUFFERED_CONTENT_DEFLATED 0x00400000U
922 * Flag for csp->flags: Set if we already read (parts of)
923 * a pipelined request in which case the client obviously
924 * isn't done talking.
926 #define CSP_FLAG_PIPELINED_REQUEST_WAITING 0x00800000U
929 * Flag for csp->flags: Set if the client body is chunk-encoded
931 #define CSP_FLAG_CHUNKED_CLIENT_BODY 0x01000000U
934 * Flag for csp->flags: Set if the client set the Expect header
936 #define CSP_FLAG_UNSUPPORTED_CLIENT_EXPECTATION 0x02000000U
939 * Flag for csp->flags: Set if we answered the request ourselves.
941 #define CSP_FLAG_CRUNCHED 0x04000000U
945 * Flag for csp->flags: Set if we are working with fuzzed input
947 #define CSP_FLAG_FUZZED_INPUT 0x08000000U
951 * Flags for use in return codes of child processes
955 * Flag for process return code: Set if exiting process has been toggled
956 * during its lifetime.
958 #define RC_FLAG_TOGGLED 0x10
961 * Flag for process return code: Set if exiting process has blocked its
964 #define RC_FLAG_BLOCKED 0x20
967 * Maximum number of actions/filter files. This limit is arbitrary - it's just used
970 #define MAX_AF_FILES 100
973 * Maximum number of sockets to listen to. This limit is arbitrary - it's just used
976 #define MAX_LISTENING_SOCKETS 10
979 #ifdef FEATURE_HTTPS_INSPECTION_MBEDTLS
980 mbedtls_connection_attr mbedtls_attr; /* Mbed TLS attrs*/
981 #endif /* FEATURE_HTTPS_INSPECTION_MBEDTLS */
982 #ifdef FEATURE_HTTPS_INSPECTION_OPENSSL
983 openssl_connection_attr openssl_attr; /* OpenSSL atrrs */
984 #endif /* FEATURE_HTTPS_INSPECTION_OPENSSL */
987 * The state of a Privoxy processing thread.
991 /** The proxy's configuration */
992 struct configuration_spec * config;
994 /** The actions to perform on the current request */
995 struct current_action_spec action[1];
997 /** socket to talk to client (web browser) */
1000 /** Number of requests received on the client socket. */
1001 unsigned int requests_received_total;
1003 /** current connection to the server (may go through a proxy) */
1004 struct reusable_connection server_connection;
1006 /** Multi-purpose flag container, see CSP_FLAG_* above */
1009 /** MIME-Type key, see CT_* above */
1010 unsigned int content_type;
1012 /** Client PC's IP address, as reported by the accept() function.
1016 /** Client PC's TCP address, as reported by the accept() function.
1018 struct sockaddr_storage tcp_addr;
1020 /** Client PC's IP address, as reported by the accept() function.
1022 unsigned long ip_addr_long;
1023 #endif /* def HAVE_RFC2553 */
1025 /** The host name and port (as a string of the form '<hostname>:<port>')
1026 of the server socket to which the client connected. */
1027 char *listen_addr_str;
1029 /** The URL that was requested */
1030 struct http_request http[1];
1033 * The final forwarding settings.
1034 * XXX: Currently this is only used for forward-override,
1035 * so we can free the space in sweep.
1037 struct forward_spec * fwd;
1039 /** An I/O buffer used for buffering data read from the server */
1040 /* XXX: should be renamed to server_iob */
1043 struct ssl_attr ssl_server_attr; /* attributes for connection to server */
1044 struct ssl_attr ssl_client_attr; /* attributes for connection to client */
1046 /** An I/O buffer used for buffering data read from the client */
1047 struct iob client_iob[1];
1049 /** Buffer used to briefly store data read from the network
1050 * before forwarding or processing it.
1052 char *receive_buffer;
1053 size_t receive_buffer_size;
1055 /** List of all headers for this request */
1056 struct list headers[1];
1058 #ifdef FEATURE_HTTPS_INSPECTION
1059 /** List of all encrypted headers for this request */
1060 struct list https_headers[1];
1063 /** List of all tags that apply to this request */
1064 struct list tags[1];
1066 #ifdef FEATURE_CLIENT_TAGS
1067 /** List of all tags that apply to this client (assigned based on address) */
1068 struct list client_tags[1];
1069 /** The address of the client the request (presumably) came from.
1070 * Either the address returned by accept(), or the address provided
1071 * with the X-Forwarded-For header, provided Privoxy has been configured
1074 char *client_address;
1077 /** Actions files associated with this client */
1078 struct file_list *actions_list[MAX_AF_FILES];
1080 /** pcrs job files. */
1081 struct file_list *rlist[MAX_AF_FILES];
1083 /** Length after content modification. */
1084 unsigned long long content_length;
1086 /* XXX: is this the right location? */
1088 /** Expected length of content after which we
1089 * should stop reading from the server socket.
1091 unsigned long long expected_content_length;
1093 /** Expected length of content after which we
1094 * should stop reading from the client socket.
1096 unsigned long long expected_client_content_length;
1098 #ifdef FEATURE_TRUST
1101 struct file_list *tlist;
1103 #endif /* def FEATURE_TRUST */
1106 * Failure reason to embedded in the CGI error page,
1107 * or NULL. Currently only used for socks errors.
1109 char *error_message;
1111 #ifdef FEATURE_HTTPS_INSPECTION
1112 /* Result of server certificate verification
1114 * Values for flag determining certificate validity
1115 * are compatible with return value of function
1116 * mbedtls_ssl_get_verify_result() for mbedtls
1117 * and SSL_get_verify_result() for openssl.
1118 * There are no values for "invalid certificate", they are
1119 * set by the functions mentioned above.
1121 #define SSL_CERT_VALID 0
1122 #ifdef FEATURE_HTTPS_INSPECTION_MBEDTLS
1123 #define SSL_CERT_NOT_VERIFIED 0xFFFFFFFF
1124 uint32_t server_cert_verification_result;
1125 #endif /* FEATURE_HTTPS_INSPECTION_MBEDTLS */
1126 #ifdef FEATURE_HTTPS_INSPECTION_OPENSSL
1127 #define SSL_CERT_NOT_VERIFIED ~0L
1128 long server_cert_verification_result;
1129 #endif /* FEATURE_HTTPS_INSPECTION_OPENSSL */
1131 /* Flag for certificate validity checking */
1132 int dont_verify_certificate;
1135 * Flags if SSL connection with server or client is opened.
1136 * Thanks to this flags, we can call function to close both connections
1137 * and we don't have to care about more details.
1139 short int ssl_with_server_is_opened;
1140 short int ssl_with_client_is_opened;
1143 * Server certificate chain of trust including strings with certificates
1144 * information and string with whole certificate file
1146 struct certs_chain server_certs_chain;
1151 * List of client states so the main thread can keep
1152 * track of them and garbage collect their resources.
1154 struct client_states
1156 struct client_states *next;
1157 struct client_state csp;
1161 * A function to add a header
1163 typedef jb_err (*add_header_func_ptr)(struct client_state *);
1166 * A function to process a header
1168 typedef jb_err (*parser_func_ptr )(struct client_state *, char **);
1172 * List of available CGI functions.
1174 struct cgi_dispatcher
1176 /** The URL of the CGI, relative to the CGI root. */
1177 const char * const name;
1179 /** The handler function for the CGI */
1180 jb_err (* const handler)(struct client_state *csp, struct http_response *rsp, const struct map *parameters);
1182 /** The description of the CGI, to appear on the main menu, or NULL to hide it. */
1183 const char * const description;
1185 /** A flag that indicates whether unintentional calls to this CGI can cause damage */
1191 * A data file used by Privoxy. Kept in a linked list.
1196 * This is a pointer to the data structures associated with the file.
1197 * Read-only once the structure has been created.
1202 * The unloader function.
1203 * Normally NULL. When we are finished with file (i.e. when we have
1204 * loaded a new one), set to a pointer to an unloader function.
1205 * Unloader will be called by sweep() (called from main loop) when
1206 * all clients using this file are done. This prevents threading
1209 void (*unloader)(void *);
1212 * Used internally by sweep(). Do not access from elsewhere.
1217 * File last-modified time, so we can check if file has been changed.
1218 * Read-only once the structure has been created.
1220 time_t lastmodified;
1223 * The full filename.
1228 * Pointer to next entry in the linked list of all "file_list"s.
1229 * This linked list is so that sweep() can navigate it.
1230 * Since sweep() can remove items from the list, we must be careful
1231 * to only access this value from main thread (when we know sweep
1232 * won't be running).
1234 struct file_list *next;
1238 #ifdef FEATURE_TRUST
1241 * The format of a trust file when loaded into memory.
1245 struct pattern_spec url[1]; /**< The URL pattern */
1246 int reject; /**< FIXME: Please document this! */
1247 struct block_spec *next; /**< Next entry in linked list */
1251 * Arbitrary limit for the number of trusted referrers.
1253 #define MAX_TRUSTED_REFERRERS 512
1255 #endif /* def FEATURE_TRUST */
1258 * How to forward a connection to a parent proxy.
1262 /** URL pattern that this forward_spec is for. */
1263 struct pattern_spec url[1];
1265 /** Connection type. Must be SOCKS_NONE, SOCKS_4, SOCKS_4A or SOCKS_5. */
1266 enum forwarder_type type;
1268 /** SOCKS server port. */
1271 /** SOCKS server hostname. Only valid if "type" is SOCKS_4 or SOCKS_4A. */
1274 /** SOCKS5 username. */
1275 char *auth_username;
1277 /** SOCKS5 password. */
1278 char *auth_password;
1280 /** Parent HTTP proxy hostname, or NULL for none. */
1283 /** Parent HTTP proxy port. */
1286 /** Next entry in the linked list. */
1287 struct forward_spec *next;
1291 /* Supported filter types */
1294 FT_CONTENT_FILTER = 0,
1295 FT_CLIENT_HEADER_FILTER = 1,
1296 FT_SERVER_HEADER_FILTER = 2,
1297 FT_CLIENT_HEADER_TAGGER = 3,
1298 FT_SERVER_HEADER_TAGGER = 4,
1299 FT_SUPPRESS_TAG = 5,
1300 FT_CLIENT_BODY_FILTER = 6,
1301 FT_CLIENT_BODY_TAGGER = 7,
1303 #ifdef FEATURE_EXTERNAL_FILTERS
1304 FT_EXTERNAL_CONTENT_FILTER = 9,
1306 FT_INVALID_FILTER = 42,
1309 #ifdef FEATURE_EXTERNAL_FILTERS
1310 #define MAX_FILTER_TYPES 9
1312 #define MAX_FILTER_TYPES 8
1316 * This struct represents one filter (one block) from
1317 * the re_filterfile. If there is more than one filter
1318 * in the file, the file will be represented by a
1319 * chained list of re_filterfile specs.
1321 struct re_filterfile_spec
1323 char *name; /**< Name from FILTER: statement in re_filterfile. */
1324 char *description; /**< Description from FILTER: statement in re_filterfile. */
1325 struct list patterns[1]; /**< The patterns from the re_filterfile. */
1326 pcrs_job *joblist; /**< The resulting compiled pcrs_jobs. */
1327 enum filter_type type; /**< Filter type (content, client-header, server-header). */
1328 int dynamic; /**< Set to one if the pattern might contain variables
1329 and has to be recompiled for every request. */
1330 struct re_filterfile_spec *next; /**< The pointer for chaining. */
1336 #define ACL_PERMIT 1 /**< Accept connection request */
1337 #define ACL_DENY 2 /**< Reject connection request */
1340 * An IP address pattern. Used to specify networks in the ACL.
1342 struct access_control_addr
1345 struct sockaddr_storage addr; /* <The TCP address in network order. */
1346 struct sockaddr_storage mask; /* <The TCP mask in network order. */
1348 unsigned long addr; /**< The IP address as an integer. */
1349 unsigned long mask; /**< The network mask as an integer. */
1350 unsigned long port; /**< The port number. */
1351 #endif /* HAVE_RFC2553 */
1355 * An access control list (ACL) entry.
1357 * This is a linked list.
1359 struct access_control_list
1361 struct access_control_addr src[1]; /**< Client IP address */
1362 struct access_control_addr dst[1]; /**< Website or parent proxy IP address */
1364 short wildcard_dst; /** < dst address is wildcard */
1367 short action; /**< ACL_PERMIT or ACL_DENY */
1368 struct access_control_list *next; /**< The next entry in the ACL. */
1371 #endif /* def FEATURE_ACL */
1374 /** Maximum number of loaders (actions, re_filter, ...) */
1378 * This struct represents a client-spcific-tag and it's description
1380 struct client_tag_spec
1382 char *name; /**< Name from "client-specific-tag bla" directive */
1383 char *description; /**< Description from "client-specific-tag-description " directive */
1384 struct client_tag_spec *next; /**< The pointer for chaining. */
1387 /** configuration_spec::feature_flags: CGI actions editor. */
1388 #define RUNTIME_FEATURE_CGI_EDIT_ACTIONS 1U
1390 /** configuration_spec::feature_flags: Web-based toggle. */
1391 #define RUNTIME_FEATURE_CGI_TOGGLE 2U
1393 /** configuration_spec::feature_flags: HTTP-header-based toggle. */
1394 #define RUNTIME_FEATURE_HTTP_TOGGLE 4U
1396 /** configuration_spec::feature_flags: Split large forms to limit the number of GET arguments. */
1397 #define RUNTIME_FEATURE_SPLIT_LARGE_FORMS 8U
1399 /** configuration_spec::feature_flags: Check the host header for requests with host-less request lines. */
1400 #define RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS 16U
1402 /** configuration_spec::feature_flags: Don't allow to circumvent blocks with the force prefix. */
1403 #define RUNTIME_FEATURE_ENFORCE_BLOCKS 32U
1405 /** configuration_spec::feature_flags: Allow to block or redirect CGI requests. */
1406 #define RUNTIME_FEATURE_CGI_CRUNCHING 64U
1408 /** configuration_spec::feature_flags: Try to keep the connection to the server alive. */
1409 #define RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE 128U
1411 /** configuration_spec::feature_flags: Share outgoing connections between different client connections. */
1412 #define RUNTIME_FEATURE_CONNECTION_SHARING 256U
1414 /** configuration_spec::feature_flags: Pages blocked with +handle-as-empty-doc get a return status of 200 OK. */
1415 #define RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK 512U
1417 /** configuration_spec::feature_flags: Buffered content is sent compressed if the client supports it. */
1418 #define RUNTIME_FEATURE_COMPRESSION 1024U
1420 /** configuration_spec::feature_flags: Pipelined requests are served instead of being discarded. */
1421 #define RUNTIME_FEATURE_TOLERATE_PIPELINING 2048U
1423 /** configuration_spec::feature_flags: Proxy authentication headers are forwarded instead of removed. */
1424 #define RUNTIME_FEATURE_FORWARD_PROXY_AUTHENTICATION_HEADERS 4096U
1427 * Data loaded from the configuration file.
1429 * (Anomaly: toggle is still handled through a global, not this structure)
1431 struct configuration_spec
1436 /** Nonzero to enable multithreading. */
1439 /** Bitmask of features that can be controlled through the config file. */
1440 unsigned feature_flags;
1442 /** Nonzero if we need to bind() to the new port. */
1445 /** The log file name. */
1446 const char *logfile;
1448 /** The config file directory. */
1449 const char *confdir;
1451 /** The directory for customized CGI templates. */
1452 const char *templdir;
1454 /** "Cross-origin resource sharing" (CORS) allowed origin */
1455 const char *cors_allowed_origin;
1457 #ifdef FEATURE_EXTERNAL_FILTERS
1458 /** The template used to create temporary files. */
1459 const char *temporary_directory;
1462 /** The log file directory. */
1465 /** The full paths to the actions files. */
1466 const char *actions_file[MAX_AF_FILES];
1468 /** The short names of the actions files. */
1469 const char *actions_file_short[MAX_AF_FILES];
1471 /** The administrator's email address */
1472 char *admin_address;
1474 /** A URL with info on this proxy */
1475 char *proxy_info_url;
1477 /** URL to the user manual (on our website or local copy) */
1480 /** The file names of the pcre filter files. */
1481 const char *re_filterfile[MAX_AF_FILES];
1483 /** The short names of the pcre filter files. */
1484 const char *re_filterfile_short[MAX_AF_FILES];
1486 /**< List of ordered client header names. */
1487 struct list ordered_client_headers[1];
1489 /** The hostname to show on CGI pages, or NULL to use the real one. */
1490 const char *hostname;
1492 /** IP addresses to bind to. Defaults to HADDR_DEFAULT == 127.0.0.1. */
1493 const char *haddr[MAX_LISTENING_SOCKETS];
1495 /** Trusted referring site that can be used to reach CGI
1496 * pages that aren't marked as harmful.
1498 const char *trusted_cgi_referrer;
1500 /** Ports to bind to. Defaults to HADDR_PORT == 8118. */
1501 int hport[MAX_LISTENING_SOCKETS];
1503 /** Size limit for IOB */
1504 size_t buffer_limit;
1506 /** Size of the receive buffer */
1507 size_t receive_buffer_size;
1509 /** Use accf_http(4) if available */
1510 int enable_accept_filter;
1512 /** Backlog passed to listen() */
1515 #ifdef FEATURE_TRUST
1517 /** The file name of the trust file. */
1518 const char * trustfile;
1520 /** FIXME: DOCME: Document this. */
1521 struct list trust_info[1];
1523 /** FIXME: DOCME: Document this. */
1524 struct pattern_spec *trust_list[MAX_TRUSTED_REFERRERS];
1526 #endif /* def FEATURE_TRUST */
1528 #ifdef FEATURE_CLIENT_TAGS
1529 struct client_tag_spec client_tags[1];
1531 /* Maximum number of seconds a temporarily enabled tag stays enabled. */
1532 unsigned int client_tag_lifetime;
1533 #endif /* def FEATURE_CLIENT_TAGS */
1534 int trust_x_forwarded_for;
1538 /** The access control list (ACL). */
1539 struct access_control_list *acl;
1541 #endif /* def FEATURE_ACL */
1543 /** Information about parent proxies (forwarding). */
1544 struct forward_spec *forward;
1546 /** Number of retries in case a forwarded connection attempt fails */
1547 int forwarded_connect_retries;
1549 /** Maximum number of client connections. */
1550 int max_client_connections;
1552 /* Timeout when waiting on sockets for data to become available. */
1555 #ifdef FEATURE_CONNECTION_KEEP_ALIVE
1556 /* Maximum number of seconds after which an open connection will no longer be reused. */
1557 unsigned int keep_alive_timeout;
1559 /* Assumed server-side keep alive timeout if none is specified. */
1560 unsigned int default_server_timeout;
1563 #ifdef FEATURE_COMPRESSION
1564 int compression_level;
1567 /** All options from the config file, HTML-formatted. */
1570 /** The configuration file object. */
1571 struct file_list *config_file_list;
1573 /** List of loaders */
1574 int (*loaders[NLOADERS])(struct client_state *);
1576 #ifdef FEATURE_HTTPS_INSPECTION
1577 /** Password for proxy ca file **/
1580 /** Directory with files of ca **/
1583 /** Filename of ca certificate **/
1586 /** Filename of ca key **/
1589 /** Directory for saving certificates and keys for each webpage **/
1590 char *certificate_directory;
1592 /** Cipher list to use **/
1595 /** Filename of trusted CAs certificates **/
1596 char *trusted_cas_file;
1600 /** Calculates the number of elements in an array, using sizeof. */
1601 #define SZ(X) (sizeof(X) / sizeof(*X))
1603 /** The force load URL prefix. Not behind an ifdef because
1604 * it's always used for the show-status page. */
1605 #define FORCE_PREFIX "/PRIVOXY-FORCE"
1607 #ifdef FEATURE_NO_GIFS
1608 /** The MIME type for images ("image/png" or "image/gif"). */
1609 #define BUILTIN_IMAGE_MIMETYPE "image/png"
1611 #define BUILTIN_IMAGE_MIMETYPE "image/gif"
1612 #endif /* def FEATURE_NO_GIFS */
1619 /** URL for the Privoxy home page. */
1620 #define HOME_PAGE_URL "https://www.privoxy.org/"
1622 /** URL for the Privoxy user manual. */
1623 #define USER_MANUAL_URL HOME_PAGE_URL VERSION "/user-manual/"
1625 /** Prefix for actions help links (append to USER_MANUAL_URL). */
1626 #define ACTIONS_HELP_PREFIX "actions-file.html#"
1628 /** Prefix for config option help links (append to USER_MANUAL_URL). */
1629 #define CONFIG_HELP_PREFIX "config.html#"
1632 * The "hosts" to intercept and display CGI pages.
1633 * First one is a hostname only, second one can specify host and path.
1636 * 1) Do not specify the http: prefix
1637 * 2) CGI_SITE_2_PATH must not end with /, one will be added automatically.
1638 * 3) CGI_SITE_2_PATH must start with /, unless it is the empty string.
1640 #define CGI_SITE_1_HOST "p.p"
1641 #define CGI_SITE_2_HOST "config.privoxy.org"
1642 #define CGI_SITE_2_PATH ""
1645 * The prefix for CGI pages. Written out in generated HTML.
1646 * INCLUDES the trailing slash.
1648 #ifdef FEATURE_HTTPS_INSPECTION
1649 #define CGI_PREFIX "//" CGI_SITE_2_HOST CGI_SITE_2_PATH "/"
1650 #define CGI_PREFIX_HTTPS "https:" CGI_PREFIX
1652 #define CGI_PREFIX "http://" CGI_SITE_2_HOST CGI_SITE_2_PATH "/"
1654 #define CGI_PREFIX_HTTP "http://" CGI_SITE_2_HOST CGI_SITE_2_PATH "/"
1656 #endif /* ndef PROJECT_H_INCLUDED */