1 const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.132 2012/10/17 18:02:10 fabiankeil Exp $";
2 /*********************************************************************
4 * File : $Source: /cvsroot/ijbswa/current/loadcfg.c,v $
6 * Purpose : Loads settings from the configuration file into
7 * global variables. This file contains both the
8 * routine to load the configuration and the global
9 * variables it writes to.
11 * Copyright : Written by and Copyright (C) 2001-2009 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 *********************************************************************/
42 #include <sys/types.h>
61 # endif /* ndef _WIN_CONSOLE */
63 #else /* ifndef _WIN32 */
67 # include <sys/wait.h>
69 # include <sys/time.h>
70 # include <sys/stat.h>
89 const char loadcfg_h_rcs[] = LOADCFG_H_VERSION;
92 /* Privoxy is enabled by default. */
93 int global_toggle_state = 1;
94 #endif /* def FEATURE_TOGGLE */
96 /* The filename of the configfile */
97 const char *configfile = NULL;
100 * CGI functions will later need access to the invocation args,
101 * so we will make argc and argv global.
104 char * const * Argv = NULL;
106 static struct file_list *current_configfile = NULL;
110 * This takes the "cryptic" hash of each keyword and aliases them to
111 * something a little more readable. This also makes changing the
112 * hash values easier if they should change or the hash algorthm changes.
113 * Use the included "hash" program to find out what the hash will be
114 * for any string supplied on the command line. (Or just put it in the
115 * config file and read the number from the error message in the log).
117 * Please keep this list sorted alphabetically (but with the Windows
118 * console and GUI specific options last).
121 #define hash_actions_file 1196306641U /* "actionsfile" */
122 #define hash_accept_intercepted_requests 1513024973U /* "accept-intercepted-requests" */
123 #define hash_admin_address 4112573064U /* "admin-address" */
124 #define hash_allow_cgi_request_crunching 258915987U /* "allow-cgi-request-crunching" */
125 #define hash_buffer_limit 1881726070U /* "buffer-limit */
126 #define hash_client_header_order 2701453514U /* "client-header-order" */
127 #define hash_compression_level 2464423563U /* "compression-level" */
128 #define hash_confdir 1978389U /* "confdir" */
129 #define hash_connection_sharing 1348841265U /* "connection-sharing" */
130 #define hash_debug 78263U /* "debug" */
131 #define hash_default_server_timeout 2530089913U /* "default-server-timeout" */
132 #define hash_deny_access 1227333715U /* "deny-access" */
133 #define hash_enable_edit_actions 2517097536U /* "enable-edit-actions" */
134 #define hash_enable_compression 3943696946U /* "enable-compression" */
135 #define hash_enable_remote_toggle 2979744683U /* "enable-remote-toggle" */
136 #define hash_enable_remote_http_toggle 110543988U /* "enable-remote-http-toggle" */
137 #define hash_enforce_blocks 1862427469U /* "enforce-blocks" */
138 #define hash_filterfile 250887266U /* "filterfile" */
139 #define hash_forward 2029845U /* "forward" */
140 #define hash_forward_socks4 3963965521U /* "forward-socks4" */
141 #define hash_forward_socks4a 2639958518U /* "forward-socks4a" */
142 #define hash_forward_socks5 3963965522U /* "forward-socks5" */
143 #define hash_forwarded_connect_retries 101465292U /* "forwarded-connect-retries" */
144 #define hash_handle_as_empty_returns_ok 1444873247U /* "handle-as-empty-doc-returns-ok" */
145 #define hash_hostname 10308071U /* "hostname" */
146 #define hash_keep_alive_timeout 3878599515U /* "keep-alive-timeout" */
147 #define hash_listen_address 1255650842U /* "listen-address" */
148 #define hash_logdir 422889U /* "logdir" */
149 #define hash_logfile 2114766U /* "logfile" */
150 #define hash_max_client_connections 3595884446U /* "max-client-connections" */
151 #define hash_permit_access 3587953268U /* "permit-access" */
152 #define hash_proxy_info_url 3903079059U /* "proxy-info-url" */
153 #define hash_single_threaded 4250084780U /* "single-threaded" */
154 #define hash_socket_timeout 1809001761U /* "socket-timeout" */
155 #define hash_split_large_cgi_forms 671658948U /* "split-large-cgi-forms" */
156 #define hash_suppress_blocklists 1948693308U /* "suppress-blocklists" */
157 #define hash_templdir 11067889U /* "templdir" */
158 #define hash_toggle 447966U /* "toggle" */
159 #define hash_trust_info_url 430331967U /* "trust-info-url" */
160 #define hash_trustfile 56494766U /* "trustfile" */
161 #define hash_usermanual 1416668518U /* "user-manual" */
162 #define hash_activity_animation 1817904738U /* "activity-animation" */
163 #define hash_close_button_minimizes 3651284693U /* "close-button-minimizes" */
164 #define hash_hide_console 2048809870U /* "hide-console" */
165 #define hash_log_buffer_size 2918070425U /* "log-buffer-size" */
166 #define hash_log_font_name 2866730124U /* "log-font-name" */
167 #define hash_log_font_size 2866731014U /* "log-font-size" */
168 #define hash_log_highlight_messages 4032101240U /* "log-highlight-messages" */
169 #define hash_log_max_lines 2868344173U /* "log-max-lines" */
170 #define hash_log_messages 2291744899U /* "log-messages" */
171 #define hash_show_on_task_bar 215410365U /* "show-on-task-bar" */
174 static void savearg(char *command, char *argument, struct configuration_spec * config);
176 /*********************************************************************
178 * Function : unload_configfile
180 * Description : Free the config structure and all components.
183 * 1 : data: struct configuration_spec to unload
187 *********************************************************************/
188 static void unload_configfile (void * data)
190 struct configuration_spec * config = (struct configuration_spec *)data;
191 struct forward_spec *cur_fwd = config->forward;
195 struct access_control_list *cur_acl = config->acl;
197 while (cur_acl != NULL)
199 struct access_control_list * next_acl = cur_acl->next;
204 #endif /* def FEATURE_ACL */
206 while (cur_fwd != NULL)
208 struct forward_spec * next_fwd = cur_fwd->next;
209 free_url_spec(cur_fwd->url);
211 freez(cur_fwd->gateway_host);
212 freez(cur_fwd->forward_host);
216 config->forward = NULL;
218 freez(config->confdir);
219 freez(config->logdir);
220 freez(config->templdir);
221 freez(config->hostname);
223 for (i = 0; i < MAX_LISTENING_SOCKETS; i++)
225 freez(config->haddr[i]);
227 freez(config->logfile);
229 for (i = 0; i < MAX_AF_FILES; i++)
231 freez(config->actions_file_short[i]);
232 freez(config->actions_file[i]);
233 freez(config->re_filterfile_short[i]);
234 freez(config->re_filterfile[i]);
237 list_remove_all(config->ordered_client_headers);
239 freez(config->admin_address);
240 freez(config->proxy_info_url);
241 freez(config->proxy_args);
242 freez(config->usermanual);
245 freez(config->trustfile);
246 list_remove_all(config->trust_info);
247 #endif /* def FEATURE_TRUST */
253 #ifdef FEATURE_GRACEFUL_TERMINATION
254 /*********************************************************************
256 * Function : unload_current_config_file
258 * Description : Unloads current config file - reset to state at
259 * beginning of program.
265 *********************************************************************/
266 void unload_current_config_file(void)
268 if (current_configfile)
270 current_configfile->unloader = unload_configfile;
271 current_configfile = NULL;
277 /*********************************************************************
279 * Function : parse_toggle_value
281 * Description : Parse the value of a directive that can only be
282 * enabled or disabled. Terminates with a fatal error
283 * if the value is NULL or something other than 0 or 1.
286 * 1 : name: The name of the directive. Used for log messages.
287 * 2 : value: The value to parse
290 * Returns : The numerical toggle state
292 *********************************************************************/
293 static int parse_toggle_state(const char *name, const char *value)
296 assert(name != NULL);
297 assert(value != NULL);
299 if ((value == NULL) || (*value == '\0'))
301 log_error(LOG_LEVEL_FATAL, "Directive %s used without argument", name);
304 toggle_state = atoi(value);
307 * Also check the length as atoi() doesn't mind
308 * garbage after a valid integer, but we do.
310 if (((toggle_state != 0) && (toggle_state != 1)) || (strlen(value) != 1))
312 log_error(LOG_LEVEL_FATAL,
313 "Directive %s used with invalid argument '%s'. Use either '0' or '1'.",
322 /*********************************************************************
324 * Function : parse_client_header_order
326 * Description : Parse the value of the header-order directive
329 * 1 : ordered_header_list: List to insert the ordered
331 * 2 : ordered_headers: The ordered header names separated
337 *********************************************************************/
338 static void parse_client_header_order(struct list *ordered_header_list, const char *ordered_headers)
340 char *original_headers_copy;
343 int number_of_headers;
346 assert(ordered_header_list != NULL);
347 assert(ordered_headers != NULL);
349 if (ordered_headers == NULL)
351 log_error(LOG_LEVEL_FATAL, "header-order used without argument");
355 * XXX: This estimate is guaranteed to be high enough as we
356 * let ssplit() ignore empty fields, but also a bit wasteful.
357 * The same hack is used in get_last_url() so it looks like
358 * a real solution is needed.
360 max_segments = strlen(ordered_headers) / 2;
361 if (max_segments == 0)
365 vector = malloc_or_die(max_segments * sizeof(char *));
367 original_headers_copy = strdup_or_die(ordered_headers);
369 number_of_headers = ssplit(original_headers_copy, "\t ", vector, max_segments);
370 if (number_of_headers == -1)
372 log_error(LOG_LEVEL_FATAL, "Failed to split ordered headers");
375 for (i = 0; i < number_of_headers; i++)
377 if (JB_ERR_OK != enlist(ordered_header_list, vector[i]))
379 log_error(LOG_LEVEL_FATAL,
380 "Failed to enlist ordered header: %s", vector[i]);
385 freez(original_headers_copy);
392 /*********************************************************************
394 * Function : load_config
396 * Description : Load the config file and all parameters.
398 * XXX: more than thousand lines long
399 * and thus in serious need of refactoring.
403 * Returns : The configuration_spec, or NULL on error.
405 *********************************************************************/
406 struct configuration_spec * load_config(void)
410 FILE *configfp = NULL;
411 struct configuration_spec * config = NULL;
412 struct client_state * fake_csp;
413 struct file_list *fs;
414 unsigned long linenum = 0;
416 char *logfile = NULL;
418 if (!check_file_changed(current_configfile, configfile, &fs))
420 /* No need to load */
421 return ((struct configuration_spec *)current_configfile->f);
425 log_error(LOG_LEVEL_FATAL,
426 "can't check configuration file '%s': %E", configfile);
430 if (NULL != current_configfile)
432 log_error(LOG_LEVEL_INFO, "Reloading configuration file '%s'", configfile);
435 #ifdef FEATURE_TOGGLE
436 global_toggle_state = 1;
437 #endif /* def FEATURE_TOGGLE */
439 fs->f = config = (struct configuration_spec *)zalloc(sizeof(*config));
445 log_error(LOG_LEVEL_FATAL, "can't allocate memory for configuration");
450 * This is backwards from how it's usually done.
451 * Following the usual pattern, "fs" would be stored in a member
452 * variable in "csp", and then we'd access "config" from "fs->f",
453 * using a cast. However, "config" is used so often that a
454 * cast each time would be very ugly, and the extra indirection
455 * would waste CPU cycles. Therefore we store "config" in
456 * "csp->config", and "fs" in "csp->config->config_file_list".
458 config->config_file_list = fs;
463 config->multi_threaded = 1;
464 config->buffer_limit = 4096 * 1024;
465 config->usermanual = strdup(USER_MANUAL_URL);
466 config->proxy_args = strdup("");
467 config->forwarded_connect_retries = 0;
468 config->max_client_connections = 0;
469 config->socket_timeout = 300; /* XXX: Should be a macro. */
470 #ifdef FEATURE_CONNECTION_KEEP_ALIVE
471 config->default_server_timeout = 0;
472 config->keep_alive_timeout = DEFAULT_KEEP_ALIVE_TIMEOUT;
473 config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE;
474 config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_SHARING;
476 config->feature_flags &= ~RUNTIME_FEATURE_CGI_TOGGLE;
477 config->feature_flags &= ~RUNTIME_FEATURE_SPLIT_LARGE_FORMS;
478 config->feature_flags &= ~RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS;
479 config->feature_flags &= ~RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK;
480 #ifdef FEATURE_COMPRESSION
481 config->feature_flags &= ~RUNTIME_FEATURE_COMPRESSION;
483 * XXX: Run some benchmarks to see if there are better default values.
485 config->compression_level = 1;
488 configfp = fopen(configfile, "r");
489 if (NULL == configfp)
491 log_error(LOG_LEVEL_FATAL,
492 "can't open configuration file '%s': %E", configfile);
493 /* Never get here - LOG_LEVEL_FATAL causes program exit */
496 while (read_config_line(configfp, &linenum, &buf) != NULL)
498 char cmd[BUFFER_SIZE];
499 char arg[BUFFER_SIZE];
500 char tmp[BUFFER_SIZE];
502 struct access_control_list *cur_acl;
503 #endif /* def FEATURE_ACL */
504 struct forward_spec *cur_fwd;
507 unsigned int directive_hash;
509 strlcpy(tmp, buf, sizeof(tmp));
511 /* Copy command (i.e. up to space or tab) into cmd */
514 while (*p && (*p != ' ') && (*p != '\t'))
520 /* Skip over the whitespace in buf */
521 while (*p && ((*p == ' ') || (*p == '\t')))
526 /* Copy the argument into arg */
527 if (strlcpy(arg, p, sizeof(arg)) >= sizeof(arg))
529 log_error(LOG_LEVEL_FATAL, "Config line too long: %s", buf);
532 /* Should never happen, but check this anyway */
539 /* Make sure the command field is lower case */
540 for (p = cmd; *p; p++)
542 if (privoxy_isupper(*p))
544 *p = (char)privoxy_tolower(*p);
548 directive_hash = hash_string(cmd);
549 switch (directive_hash)
551 /* *************************************************************************
552 * actionsfile actions-file-name
553 * In confdir by default
554 * *************************************************************************/
555 case hash_actions_file :
557 while ((i < MAX_AF_FILES) && (NULL != config->actions_file[i]))
562 if (i >= MAX_AF_FILES)
564 log_error(LOG_LEVEL_FATAL, "Too many 'actionsfile' directives in config file - limit is %d.\n"
565 "(You can increase this limit by changing MAX_AF_FILES in project.h and recompiling).",
568 config->actions_file_short[i] = strdup(arg);
569 config->actions_file[i] = make_path(config->confdir, arg);
572 /* *************************************************************************
573 * accept-intercepted-requests
574 * *************************************************************************/
575 case hash_accept_intercepted_requests:
576 if (parse_toggle_state(cmd, arg) == 1)
578 config->feature_flags |= RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS;
582 config->feature_flags &= ~RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS;
586 /* *************************************************************************
587 * admin-address email-address
588 * *************************************************************************/
589 case hash_admin_address :
590 freez(config->admin_address);
591 config->admin_address = strdup(arg);
594 /* *************************************************************************
595 * allow-cgi-request-crunching
596 * *************************************************************************/
597 case hash_allow_cgi_request_crunching:
598 if (parse_toggle_state(cmd, arg) == 1)
600 config->feature_flags |= RUNTIME_FEATURE_CGI_CRUNCHING;
604 config->feature_flags &= ~RUNTIME_FEATURE_CGI_CRUNCHING;
608 /* *************************************************************************
610 * *************************************************************************/
611 case hash_buffer_limit :
612 config->buffer_limit = (size_t)(1024 * atoi(arg));
615 /* *************************************************************************
616 * client-header-order header-1 header-2 ... header-n
617 * *************************************************************************/
618 case hash_client_header_order:
619 list_remove_all(config->ordered_client_headers);
620 parse_client_header_order(config->ordered_client_headers, arg);
623 /* *************************************************************************
624 * confdir directory-name
625 * *************************************************************************/
627 freez(config->confdir);
628 config->confdir = make_path(NULL, arg);
631 /* *************************************************************************
632 * compression-level 0-9
633 * *************************************************************************/
634 #ifdef FEATURE_COMPRESSION
635 case hash_compression_level :
638 int compression_level = atoi(arg);
639 if (-1 <= compression_level && compression_level <= 9)
641 config->compression_level = compression_level;;
645 log_error(LOG_LEVEL_FATAL,
646 "Invalid compression-level value: %s", arg);
651 log_error(LOG_LEVEL_FATAL,
652 "Invalid compression-level directive. Compression value missing");
657 /* *************************************************************************
658 * connection-sharing (0|1)
659 * *************************************************************************/
660 #ifdef FEATURE_CONNECTION_SHARING
661 case hash_connection_sharing :
662 if (parse_toggle_state(cmd, arg) == 1)
664 config->feature_flags |= RUNTIME_FEATURE_CONNECTION_SHARING;
668 config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_SHARING;
673 /* *************************************************************************
675 * Specifies debug level, multiple values are ORed together.
676 * *************************************************************************/
678 config->debug |= atoi(arg);
681 /* *************************************************************************
682 * default-server-timeout timeout
683 * *************************************************************************/
684 #ifdef FEATURE_CONNECTION_KEEP_ALIVE
685 case hash_default_server_timeout :
688 int timeout = atoi(arg);
691 config->default_server_timeout = (unsigned int)timeout;
695 log_error(LOG_LEVEL_FATAL,
696 "Invalid default-server-timeout value: %s", arg);
702 /* *************************************************************************
703 * deny-access source-ip[/significant-bits] [dest-ip[/significant-bits]]
704 * *************************************************************************/
706 case hash_deny_access:
707 strlcpy(tmp, arg, sizeof(tmp));
708 vec_count = ssplit(tmp, " \t", vec, SZ(vec));
710 if ((vec_count != 1) && (vec_count != 2))
712 log_error(LOG_LEVEL_ERROR, "Wrong number of parameters for "
713 "deny-access directive in configuration file.");
714 string_append(&config->proxy_args,
715 "<br>\nWARNING: Wrong number of parameters for "
716 "deny-access directive in configuration file.<br><br>\n");
720 /* allocate a new node */
721 cur_acl = (struct access_control_list *) zalloc(sizeof(*cur_acl));
725 log_error(LOG_LEVEL_FATAL, "can't allocate memory for configuration");
726 /* Never get here - LOG_LEVEL_FATAL causes program exit */
729 cur_acl->action = ACL_DENY;
731 if (acl_addr(vec[0], cur_acl->src) < 0)
733 log_error(LOG_LEVEL_ERROR, "Invalid source address, port or netmask "
734 "for deny-access directive in configuration file: \"%s\"", vec[0]);
735 string_append(&config->proxy_args,
736 "<br>\nWARNING: Invalid source address, port or netmask "
737 "for deny-access directive in configuration file: \"");
738 string_append(&config->proxy_args,
740 string_append(&config->proxy_args,
747 if (acl_addr(vec[1], cur_acl->dst) < 0)
749 log_error(LOG_LEVEL_ERROR, "Invalid destination address, port or netmask "
750 "for deny-access directive in configuration file: \"%s\"", vec[1]);
751 string_append(&config->proxy_args,
752 "<br>\nWARNING: Invalid destination address, port or netmask "
753 "for deny-access directive in configuration file: \"");
754 string_append(&config->proxy_args,
756 string_append(&config->proxy_args,
765 cur_acl->wildcard_dst = 1;
767 #endif /* def HAVE_RFC2553 */
770 * Add it to the list. Note we reverse the list to get the
771 * behaviour the user expects. With both the ACL and
772 * actions file, the last match wins. However, the internal
773 * implementations are different: The actions file is stored
774 * in the same order as the file, and scanned completely.
775 * With the ACL, we reverse the order as we load it, then
776 * when we scan it we stop as soon as we get a match.
778 cur_acl->next = config->acl;
779 config->acl = cur_acl;
782 #endif /* def FEATURE_ACL */
784 /* *************************************************************************
785 * enable-edit-actions 0|1
786 * *************************************************************************/
787 #ifdef FEATURE_CGI_EDIT_ACTIONS
788 case hash_enable_edit_actions:
789 if (parse_toggle_state(cmd, arg) == 1)
791 config->feature_flags |= RUNTIME_FEATURE_CGI_EDIT_ACTIONS;
795 config->feature_flags &= ~RUNTIME_FEATURE_CGI_EDIT_ACTIONS;
798 #endif /* def FEATURE_CGI_EDIT_ACTIONS */
800 /* *************************************************************************
801 * enable-compression 0|1
802 * *************************************************************************/
803 #ifdef FEATURE_COMPRESSION
804 case hash_enable_compression:
805 if (parse_toggle_state(cmd, arg) == 1)
807 config->feature_flags |= RUNTIME_FEATURE_COMPRESSION;
811 config->feature_flags &= ~RUNTIME_FEATURE_COMPRESSION;
814 #endif /* def FEATURE_COMPRESSION */
817 /* *************************************************************************
818 * enable-remote-toggle 0|1
819 * *************************************************************************/
820 #ifdef FEATURE_TOGGLE
821 case hash_enable_remote_toggle:
822 if (parse_toggle_state(cmd, arg) == 1)
824 config->feature_flags |= RUNTIME_FEATURE_CGI_TOGGLE;
828 config->feature_flags &= ~RUNTIME_FEATURE_CGI_TOGGLE;
831 #endif /* def FEATURE_TOGGLE */
833 /* *************************************************************************
834 * enable-remote-http-toggle 0|1
835 * *************************************************************************/
836 case hash_enable_remote_http_toggle:
837 if (parse_toggle_state(cmd, arg) == 1)
839 config->feature_flags |= RUNTIME_FEATURE_HTTP_TOGGLE;
843 config->feature_flags &= ~RUNTIME_FEATURE_HTTP_TOGGLE;
847 /* *************************************************************************
849 * *************************************************************************/
850 case hash_enforce_blocks:
851 #ifdef FEATURE_FORCE_LOAD
852 if (parse_toggle_state(cmd, arg) == 1)
854 config->feature_flags |= RUNTIME_FEATURE_ENFORCE_BLOCKS;
858 config->feature_flags &= ~RUNTIME_FEATURE_ENFORCE_BLOCKS;
861 log_error(LOG_LEVEL_ERROR, "Ignoring directive 'enforce-blocks'. "
862 "FEATURE_FORCE_LOAD is disabled, blocks will always be enforced.");
863 #endif /* def FEATURE_FORCE_LOAD */
866 /* *************************************************************************
867 * filterfile file-name
868 * In confdir by default.
869 * *************************************************************************/
870 case hash_filterfile :
872 while ((i < MAX_AF_FILES) && (NULL != config->re_filterfile[i]))
877 if (i >= MAX_AF_FILES)
879 log_error(LOG_LEVEL_FATAL, "Too many 'filterfile' directives in config file - limit is %d.\n"
880 "(You can increase this limit by changing MAX_AF_FILES in project.h and recompiling).",
883 config->re_filterfile_short[i] = strdup(arg);
884 config->re_filterfile[i] = make_path(config->confdir, arg);
888 /* *************************************************************************
889 * forward url-pattern (.|http-proxy-host[:port])
890 * *************************************************************************/
892 strlcpy(tmp, arg, sizeof(tmp));
893 vec_count = ssplit(tmp, " \t", vec, SZ(vec));
897 log_error(LOG_LEVEL_ERROR, "Wrong number of parameters for forward "
898 "directive in configuration file.");
899 string_append(&config->proxy_args,
900 "<br>\nWARNING: Wrong number of parameters for "
901 "forward directive in configuration file.");
905 /* allocate a new node */
906 cur_fwd = zalloc(sizeof(*cur_fwd));
909 log_error(LOG_LEVEL_FATAL, "can't allocate memory for configuration");
910 /* Never get here - LOG_LEVEL_FATAL causes program exit */
914 cur_fwd->type = SOCKS_NONE;
916 /* Save the URL pattern */
917 if (create_url_spec(cur_fwd->url, vec[0]))
919 log_error(LOG_LEVEL_ERROR, "Bad URL specifier for forward "
920 "directive in configuration file.");
921 string_append(&config->proxy_args,
922 "<br>\nWARNING: Bad URL specifier for "
923 "forward directive in configuration file.");
927 /* Parse the parent HTTP proxy host:port */
930 if (strcmp(p, ".") != 0)
932 cur_fwd->forward_port = 8000;
933 parse_forwarder_address(p, &cur_fwd->forward_host,
934 &cur_fwd->forward_port);
938 cur_fwd->next = config->forward;
939 config->forward = cur_fwd;
943 /* *************************************************************************
944 * forward-socks4 url-pattern socks-proxy[:port] (.|http-proxy[:port])
945 * *************************************************************************/
946 case hash_forward_socks4:
947 strlcpy(tmp, arg, sizeof(tmp));
948 vec_count = ssplit(tmp, " \t", vec, SZ(vec));
952 log_error(LOG_LEVEL_ERROR, "Wrong number of parameters for "
953 "forward-socks4 directive in configuration file.");
954 string_append(&config->proxy_args,
955 "<br>\nWARNING: Wrong number of parameters for "
956 "forward-socks4 directive in configuration file.");
960 /* allocate a new node */
961 cur_fwd = zalloc(sizeof(*cur_fwd));
964 log_error(LOG_LEVEL_FATAL, "can't allocate memory for configuration");
965 /* Never get here - LOG_LEVEL_FATAL causes program exit */
969 cur_fwd->type = SOCKS_4;
971 /* Save the URL pattern */
972 if (create_url_spec(cur_fwd->url, vec[0]))
974 log_error(LOG_LEVEL_ERROR, "Bad URL specifier for forward-socks4 "
975 "directive in configuration file.");
976 string_append(&config->proxy_args,
977 "<br>\nWARNING: Bad URL specifier for "
978 "forward-socks4 directive in configuration file.");
982 /* Parse the SOCKS proxy host[:port] */
985 /* XXX: This check looks like a bug. */
986 if (strcmp(p, ".") != 0)
988 cur_fwd->gateway_port = 1080;
989 parse_forwarder_address(p, &cur_fwd->gateway_host,
990 &cur_fwd->gateway_port);
993 /* Parse the parent HTTP proxy host[:port] */
996 if (strcmp(p, ".") != 0)
998 cur_fwd->forward_port = 8000;
999 parse_forwarder_address(p, &cur_fwd->forward_host,
1000 &cur_fwd->forward_port);
1004 cur_fwd->next = config->forward;
1005 config->forward = cur_fwd;
1009 /* *************************************************************************
1010 * forward-socks4a url-pattern socks-proxy[:port] (.|http-proxy[:port])
1011 * *************************************************************************/
1012 case hash_forward_socks4a:
1013 case hash_forward_socks5:
1014 strlcpy(tmp, arg, sizeof(tmp));
1015 vec_count = ssplit(tmp, " \t", vec, SZ(vec));
1019 log_error(LOG_LEVEL_ERROR, "Wrong number of parameters for "
1020 "forward-socks4a directive in configuration file.");
1021 string_append(&config->proxy_args,
1022 "<br>\nWARNING: Wrong number of parameters for "
1023 "forward-socks4a directive in configuration file.");
1027 /* allocate a new node */
1028 cur_fwd = zalloc(sizeof(*cur_fwd));
1029 if (cur_fwd == NULL)
1031 log_error(LOG_LEVEL_FATAL, "can't allocate memory for configuration");
1032 /* Never get here - LOG_LEVEL_FATAL causes program exit */
1036 if (directive_hash == hash_forward_socks4a)
1038 cur_fwd->type = SOCKS_4A;
1042 cur_fwd->type = SOCKS_5;
1045 /* Save the URL pattern */
1046 if (create_url_spec(cur_fwd->url, vec[0]))
1048 log_error(LOG_LEVEL_ERROR, "Bad URL specifier for forward-socks4a "
1049 "directive in configuration file.");
1050 string_append(&config->proxy_args,
1051 "<br>\nWARNING: Bad URL specifier for "
1052 "forward-socks4a directive in configuration file.");
1056 /* Parse the SOCKS proxy host[:port] */
1059 cur_fwd->gateway_port = 1080;
1060 parse_forwarder_address(p, &cur_fwd->gateway_host,
1061 &cur_fwd->gateway_port);
1063 /* Parse the parent HTTP proxy host[:port] */
1066 if (strcmp(p, ".") != 0)
1068 cur_fwd->forward_port = 8000;
1069 parse_forwarder_address(p, &cur_fwd->forward_host,
1070 &cur_fwd->forward_port);
1074 cur_fwd->next = config->forward;
1075 config->forward = cur_fwd;
1079 /* *************************************************************************
1080 * forwarded-connect-retries n
1081 * *************************************************************************/
1082 case hash_forwarded_connect_retries :
1083 config->forwarded_connect_retries = atoi(arg);
1086 /* *************************************************************************
1087 * handle-as-empty-doc-returns-ok 0|1
1089 * Workaround for firefox hanging on blocked javascript pages.
1090 * Block with the "+handle-as-empty-document" flag and set the
1091 * "handle-as-empty-doc-returns-ok" run-time config flag so that
1092 * Privoxy returns a 200/OK status instead of a 403/Forbidden status
1093 * to the browser for blocked pages.
1094 ***************************************************************************/
1095 case hash_handle_as_empty_returns_ok:
1096 if (parse_toggle_state(cmd, arg) == 1)
1098 config->feature_flags |= RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK;
1102 config->feature_flags &= ~RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK;
1106 /* *************************************************************************
1107 * hostname hostname-to-show-on-cgi-pages
1108 * *************************************************************************/
1109 case hash_hostname :
1110 freez(config->hostname);
1111 config->hostname = strdup(arg);
1112 if (NULL == config->hostname)
1114 log_error(LOG_LEVEL_FATAL, "Out of memory saving hostname.");
1118 /* *************************************************************************
1119 * keep-alive-timeout timeout
1120 * *************************************************************************/
1121 #ifdef FEATURE_CONNECTION_KEEP_ALIVE
1122 case hash_keep_alive_timeout :
1125 int timeout = atoi(arg);
1128 config->feature_flags |= RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE;
1129 config->keep_alive_timeout = (unsigned int)timeout;
1133 config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE;
1139 /* *************************************************************************
1140 * listen-address [ip][:port]
1141 * *************************************************************************/
1142 case hash_listen_address :
1144 while ((i < MAX_LISTENING_SOCKETS) && (NULL != config->haddr[i]))
1149 if (i >= MAX_LISTENING_SOCKETS)
1151 log_error(LOG_LEVEL_FATAL, "Too many 'listen-address' directives in config file - limit is %d.\n"
1152 "(You can increase this limit by changing MAX_LISTENING_SOCKETS in project.h and recompiling).",
1153 MAX_LISTENING_SOCKETS);
1155 config->haddr[i] = strdup(arg);
1156 if (NULL == config->haddr[i])
1158 log_error(LOG_LEVEL_FATAL, "Out of memory while copying listening address");
1162 /* *************************************************************************
1163 * logdir directory-name
1164 * *************************************************************************/
1166 freez(config->logdir);
1167 config->logdir = make_path(NULL, arg);
1170 /* *************************************************************************
1171 * logfile log-file-name
1172 * In logdir by default
1173 * *************************************************************************/
1177 logfile = make_path(config->logdir, arg);
1178 if (NULL == logfile)
1180 log_error(LOG_LEVEL_FATAL, "Out of memory while creating logfile path");
1185 /* *************************************************************************
1186 * max-client-connections number
1187 * *************************************************************************/
1188 case hash_max_client_connections :
1191 int max_client_connections = atoi(arg);
1192 if (0 <= max_client_connections)
1194 config->max_client_connections = max_client_connections;
1199 /* *************************************************************************
1200 * permit-access source-ip[/significant-bits] [dest-ip[/significant-bits]]
1201 * *************************************************************************/
1203 case hash_permit_access:
1204 strlcpy(tmp, arg, sizeof(tmp));
1205 vec_count = ssplit(tmp, " \t", vec, SZ(vec));
1207 if ((vec_count != 1) && (vec_count != 2))
1209 log_error(LOG_LEVEL_ERROR, "Wrong number of parameters for "
1210 "permit-access directive in configuration file.");
1211 string_append(&config->proxy_args,
1212 "<br>\nWARNING: Wrong number of parameters for "
1213 "permit-access directive in configuration file.<br><br>\n");
1218 /* allocate a new node */
1219 cur_acl = (struct access_control_list *) zalloc(sizeof(*cur_acl));
1221 if (cur_acl == NULL)
1223 log_error(LOG_LEVEL_FATAL, "can't allocate memory for configuration");
1224 /* Never get here - LOG_LEVEL_FATAL causes program exit */
1227 cur_acl->action = ACL_PERMIT;
1229 if (acl_addr(vec[0], cur_acl->src) < 0)
1231 log_error(LOG_LEVEL_ERROR, "Invalid source address, port or netmask "
1232 "for permit-access directive in configuration file: \"%s\"", vec[0]);
1233 string_append(&config->proxy_args,
1234 "<br>\nWARNING: Invalid source address, port or netmask for "
1235 "permit-access directive in configuration file: \"");
1236 string_append(&config->proxy_args,
1238 string_append(&config->proxy_args,
1245 if (acl_addr(vec[1], cur_acl->dst) < 0)
1247 log_error(LOG_LEVEL_ERROR, "Invalid destination address, port or netmask "
1248 "for permit-access directive in configuration file: \"%s\"", vec[1]);
1249 string_append(&config->proxy_args,
1250 "<br>\nWARNING: Invalid destination address, port or netmask for "
1251 "permit-access directive in configuration file: \"");
1252 string_append(&config->proxy_args,
1254 string_append(&config->proxy_args,
1263 cur_acl->wildcard_dst = 1;
1265 #endif /* def HAVE_RFC2553 */
1268 * Add it to the list. Note we reverse the list to get the
1269 * behaviour the user expects. With both the ACL and
1270 * actions file, the last match wins. However, the internal
1271 * implementations are different: The actions file is stored
1272 * in the same order as the file, and scanned completely.
1273 * With the ACL, we reverse the order as we load it, then
1274 * when we scan it we stop as soon as we get a match.
1276 cur_acl->next = config->acl;
1277 config->acl = cur_acl;
1280 #endif /* def FEATURE_ACL */
1282 /* *************************************************************************
1283 * proxy-info-url url
1284 * *************************************************************************/
1285 case hash_proxy_info_url :
1286 freez(config->proxy_info_url);
1287 config->proxy_info_url = strdup(arg);
1290 /* *************************************************************************
1292 * *************************************************************************/
1293 case hash_single_threaded :
1294 config->multi_threaded = 0;
1297 /* *************************************************************************
1298 * socket-timeout numer_of_seconds
1299 * *************************************************************************/
1300 case hash_socket_timeout :
1303 int socket_timeout = atoi(arg);
1304 if (0 <= socket_timeout)
1306 config->socket_timeout = socket_timeout;
1310 log_error(LOG_LEVEL_FATAL,
1311 "Invalid socket-timeout: '%s'", arg);
1316 /* *************************************************************************
1317 * split-large-cgi-forms
1318 * *************************************************************************/
1319 case hash_split_large_cgi_forms :
1320 if (parse_toggle_state(cmd, arg) == 1)
1322 config->feature_flags |= RUNTIME_FEATURE_SPLIT_LARGE_FORMS;
1326 config->feature_flags &= ~RUNTIME_FEATURE_SPLIT_LARGE_FORMS;
1330 /* *************************************************************************
1331 * templdir directory-name
1332 * *************************************************************************/
1333 case hash_templdir :
1334 freez(config->templdir);
1335 config->templdir = make_path(NULL, arg);
1338 /* *************************************************************************
1340 * *************************************************************************/
1341 #ifdef FEATURE_TOGGLE
1343 global_toggle_state = parse_toggle_state(cmd, arg);
1345 #endif /* def FEATURE_TOGGLE */
1347 /* *************************************************************************
1348 * trust-info-url url
1349 * *************************************************************************/
1350 #ifdef FEATURE_TRUST
1351 case hash_trust_info_url :
1352 enlist(config->trust_info, arg);
1354 #endif /* def FEATURE_TRUST */
1356 /* *************************************************************************
1357 * trustfile filename
1358 * (In confdir by default.)
1359 * *************************************************************************/
1360 #ifdef FEATURE_TRUST
1361 case hash_trustfile :
1362 freez(config->trustfile);
1363 config->trustfile = make_path(config->confdir, arg);
1365 #endif /* def FEATURE_TRUST */
1367 /* *************************************************************************
1369 * *************************************************************************/
1370 case hash_usermanual :
1372 * XXX: If this isn't the first config directive, the
1373 * show-status page links to the website documentation
1374 * for the directives that were already parsed. Lame.
1376 freez(config->usermanual);
1377 config->usermanual = strdup(arg);
1380 /* *************************************************************************
1381 * Win32 Console options:
1382 * *************************************************************************/
1384 /* *************************************************************************
1386 * *************************************************************************/
1388 case hash_hide_console :
1391 #endif /*def _WIN_CONSOLE*/
1394 /* *************************************************************************
1395 * Win32 GUI options:
1396 * *************************************************************************/
1398 #if defined(_WIN32) && ! defined(_WIN_CONSOLE)
1399 /* *************************************************************************
1400 * activity-animation (0|1)
1401 * *************************************************************************/
1402 case hash_activity_animation :
1403 g_bShowActivityAnimation = parse_toggle_state(cmd, arg);
1406 /* *************************************************************************
1407 * close-button-minimizes (0|1)
1408 * *************************************************************************/
1409 case hash_close_button_minimizes :
1410 g_bCloseHidesWindow = parse_toggle_state(cmd, arg);
1413 /* *************************************************************************
1414 * log-buffer-size (0|1)
1415 * *************************************************************************/
1416 case hash_log_buffer_size :
1417 g_bLimitBufferSize = parse_toggle_state(cmd, arg);
1420 /* *************************************************************************
1421 * log-font-name fontname
1422 * *************************************************************************/
1423 case hash_log_font_name :
1424 if (strlcpy(g_szFontFaceName, arg,
1425 sizeof(g_szFontFaceName)) >= sizeof(g_szFontFaceName))
1427 log_error(LOG_LEVEL_FATAL,
1428 "log-font-name argument '%s' is longer than %u characters.",
1429 arg, sizeof(g_szFontFaceName)-1);
1433 /* *************************************************************************
1435 * *************************************************************************/
1436 case hash_log_font_size :
1437 g_nFontSize = atoi(arg);
1440 /* *************************************************************************
1441 * log-highlight-messages (0|1)
1442 * *************************************************************************/
1443 case hash_log_highlight_messages :
1444 g_bHighlightMessages = parse_toggle_state(cmd, arg);
1447 /* *************************************************************************
1449 * *************************************************************************/
1450 case hash_log_max_lines :
1451 g_nMaxBufferLines = atoi(arg);
1454 /* *************************************************************************
1455 * log-messages (0|1)
1456 * *************************************************************************/
1457 case hash_log_messages :
1458 g_bLogMessages = parse_toggle_state(cmd, arg);
1461 /* *************************************************************************
1462 * show-on-task-bar (0|1)
1463 * *************************************************************************/
1464 case hash_show_on_task_bar :
1465 g_bShowOnTaskBar = parse_toggle_state(cmd, arg);
1468 #endif /* defined(_WIN32) && ! defined(_WIN_CONSOLE) */
1471 /* *************************************************************************
1472 * Warnings about unsupported features
1473 * *************************************************************************/
1475 case hash_deny_access:
1476 #endif /* ndef FEATURE_ACL */
1477 #ifndef FEATURE_CGI_EDIT_ACTIONS
1478 case hash_enable_edit_actions:
1479 #endif /* ndef FEATURE_CGI_EDIT_ACTIONS */
1480 #ifndef FEATURE_TOGGLE
1481 case hash_enable_remote_toggle:
1482 #endif /* ndef FEATURE_TOGGLE */
1484 case hash_permit_access:
1485 #endif /* ndef FEATURE_ACL */
1486 #ifndef FEATURE_TOGGLE
1488 #endif /* ndef FEATURE_TOGGLE */
1489 #ifndef FEATURE_TRUST
1490 case hash_trustfile :
1491 case hash_trust_info_url :
1492 #endif /* ndef FEATURE_TRUST */
1494 #ifndef _WIN_CONSOLE
1495 case hash_hide_console :
1496 #endif /* ndef _WIN_CONSOLE */
1498 #if defined(_WIN_CONSOLE) || ! defined(_WIN32)
1499 case hash_activity_animation :
1500 case hash_close_button_minimizes :
1501 case hash_log_buffer_size :
1502 case hash_log_font_name :
1503 case hash_log_font_size :
1504 case hash_log_highlight_messages :
1505 case hash_log_max_lines :
1506 case hash_log_messages :
1507 case hash_show_on_task_bar :
1508 #endif /* defined(_WIN_CONSOLE) || ! defined(_WIN32) */
1509 /* These warnings are annoying - so hide them. -- Jon */
1510 /* log_error(LOG_LEVEL_INFO, "Unsupported directive \"%s\" ignored.", cmd); */
1513 /* *************************************************************************/
1515 /* *************************************************************************/
1517 * I decided that I liked this better as a warning than an
1518 * error. To change back to an error, just change log level
1519 * to LOG_LEVEL_FATAL.
1521 log_error(LOG_LEVEL_ERROR, "Ignoring unrecognized directive "
1522 "'%s' (%uU) in line %lu in configuration file (%s).",
1523 buf, directive_hash, linenum, configfile);
1524 string_append(&config->proxy_args,
1525 " <strong class='warning'>Warning: Ignoring unrecognized directive:</strong>");
1528 /* *************************************************************************/
1529 } /* end switch(hash_string(cmd)) */
1531 /* Save the argument for the show-status page. */
1532 savearg(cmd, arg, config);
1534 } /* end while (read_config_line(...)) */
1538 set_debug_level(config->debug);
1540 freez(config->logfile);
1544 if (NULL != logfile)
1546 config->logfile = logfile;
1547 init_error_log(Argv[0], config->logfile);
1555 #ifdef FEATURE_CONNECTION_KEEP_ALIVE
1556 if (config->default_server_timeout > config->keep_alive_timeout)
1558 log_error(LOG_LEVEL_ERROR,
1559 "Reducing the default-server-timeout from %d to the keep-alive-timeout %d.",
1560 config->default_server_timeout, config->keep_alive_timeout);
1561 config->default_server_timeout = config->keep_alive_timeout;
1563 #endif /* def FEATURE_CONNECTION_KEEP_ALIVE */
1565 #ifdef FEATURE_CONNECTION_SHARING
1566 if (config->feature_flags & RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE)
1568 if (config->multi_threaded)
1570 set_keep_alive_timeout(config->keep_alive_timeout);
1575 * While we could use keep-alive without multiple threads
1576 * if we didn't bother with enforcing the connection timeout,
1577 * that might make Tor users sad, even though they shouldn't
1578 * enable the single-threaded option anyway.
1580 * XXX: We could still use Proxy-Connection: keep-alive.
1582 config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE;
1583 log_error(LOG_LEVEL_ERROR,
1584 "Config option single-threaded disables connection keep-alive.");
1587 else if ((config->feature_flags & RUNTIME_FEATURE_CONNECTION_SHARING))
1589 log_error(LOG_LEVEL_ERROR, "Config option connection-sharing "
1590 "has no effect if keep-alive-timeout isn't set.");
1591 config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_SHARING;
1593 #endif /* def FEATURE_CONNECTION_SHARING */
1595 if (NULL == config->proxy_args)
1597 log_error(LOG_LEVEL_FATAL, "Out of memory loading config - insufficient memory for config->proxy_args");
1600 if (config->re_filterfile[0])
1602 add_loader(load_re_filterfiles, config);
1605 if (config->actions_file[0])
1607 add_loader(load_action_files, config);
1610 #ifdef FEATURE_TRUST
1611 if (config->trustfile)
1613 add_loader(load_trustfile, config);
1615 #endif /* def FEATURE_TRUST */
1617 if (NULL == config->haddr[0])
1619 config->haddr[0] = strdup(HADDR_DEFAULT);
1620 if (NULL == config->haddr[0])
1622 log_error(LOG_LEVEL_FATAL, "Out of memory while copying default listening address");
1626 for (i = 0; i < MAX_LISTENING_SOCKETS && NULL != config->haddr[i]; i++)
1628 if ((*config->haddr[i] == '[')
1629 && (NULL != (p = strchr(config->haddr[i], ']')))
1631 && (0 < (config->hport[i] = atoi(p + 2))))
1634 memmove((void *)config->haddr[i], config->haddr[i] + 1,
1635 (size_t)(p - config->haddr[i]));
1637 else if (NULL != (p = strchr(config->haddr[i], ':'))
1638 && (0 < (config->hport[i] = atoi(p + 1))))
1644 log_error(LOG_LEVEL_FATAL, "invalid bind port spec %s", config->haddr[i]);
1645 /* Never get here - LOG_LEVEL_FATAL causes program exit */
1647 if (*config->haddr[i] == '\0')
1650 * Only the port specified. We stored it in config->hport[i]
1651 * and don't need its text representation anymore.
1652 * Use config->hport[i] == 0 to iterate listening addresses since
1655 freez(config->haddr[i]);
1660 * Want to run all the loaders once now.
1662 * Need to set up a fake csp, so they can get to the config.
1664 fake_csp = (struct client_state *) zalloc (sizeof(*fake_csp));
1665 fake_csp->config = config;
1667 if (run_loader(fake_csp))
1670 log_error(LOG_LEVEL_FATAL, "A loader failed while loading config file. Exiting.");
1671 /* Never get here - LOG_LEVEL_FATAL causes program exit */
1675 /* FIXME: this is a kludge for win32 */
1676 #if defined(_WIN32) && !defined (_WIN_CONSOLE)
1678 g_default_actions_file = config->actions_file[1]; /* FIXME Hope this is default.action */
1679 g_user_actions_file = config->actions_file[2]; /* FIXME Hope this is user.action */
1680 g_default_filterfile = config->re_filterfile[0]; /* FIXME Hope this is default.filter */
1681 g_user_filterfile = config->re_filterfile[1]; /* FIXME Hope this is user.filter */
1683 #ifdef FEATURE_TRUST
1684 g_trustfile = config->trustfile;
1685 #endif /* def FEATURE_TRUST */
1688 #endif /* defined(_WIN32) && !defined (_WIN_CONSOLE) */
1689 /* FIXME: end kludge */
1692 config->need_bind = 1;
1694 if (current_configfile)
1696 struct configuration_spec * oldcfg = (struct configuration_spec *)
1697 current_configfile->f;
1699 * Check if config->haddr[i],hport[i] == oldcfg->haddr[i],hport[i]
1701 * The following could be written more compactly as a single,
1702 * (unreadably long) if statement.
1704 config->need_bind = 0;
1706 for (i = 0; i < MAX_LISTENING_SOCKETS; i++)
1708 if (config->hport[i] != oldcfg->hport[i])
1710 config->need_bind = 1;
1712 else if (config->haddr[i] == NULL)
1714 if (oldcfg->haddr[i] != NULL)
1716 config->need_bind = 1;
1719 else if (oldcfg->haddr[i] == NULL)
1721 config->need_bind = 1;
1723 else if (0 != strcmp(config->haddr[i], oldcfg->haddr[i]))
1725 config->need_bind = 1;
1729 current_configfile->unloader = unload_configfile;
1732 fs->next = files->next;
1735 current_configfile = fs;
1741 /*********************************************************************
1743 * Function : savearg
1745 * Description : Called from `load_config'. It saves each non-empty
1746 * and non-comment line from config into
1747 * config->proxy_args. This is used to create the
1748 * show-proxy-args page. On error, frees
1749 * config->proxy_args and sets it to NULL
1752 * 1 : command = config setting that was found
1753 * 2 : argument = the setting's argument (if any)
1754 * 3 : config = Configuration to save into.
1758 *********************************************************************/
1759 static void savearg(char *command, char *argument, struct configuration_spec * config)
1768 * Add config option name embedded in
1769 * link to its section in the user-manual
1771 buf = strdup("\n<a href=\"");
1772 if (!strncmpic(config->usermanual, "file://", 7) ||
1773 !strncmpic(config->usermanual, "http", 4))
1775 string_append(&buf, config->usermanual);
1779 string_append(&buf, "http://" CGI_SITE_2_HOST "/user-manual/");
1781 string_append(&buf, CONFIG_HELP_PREFIX);
1782 string_join (&buf, string_toupper(command));
1783 string_append(&buf, "\">");
1784 string_append(&buf, command);
1785 string_append(&buf, "</a> ");
1789 freez(config->proxy_args);
1793 if ((NULL != argument) && ('\0' != *argument))
1795 s = html_encode(argument);
1799 freez(config->proxy_args);
1803 if (strncmpic(argument, "http://", 7) == 0)
1805 string_append(&buf, "<a href=\"");
1806 string_append(&buf, s);
1807 string_append(&buf, "\">");
1808 string_join (&buf, s);
1809 string_append(&buf, "</a>");
1813 string_join (&buf, s);
1817 string_append(&buf, "<br>");
1818 string_join(&config->proxy_args, buf);