X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=loadcfg.c;h=efb6c7d2e54eec668558aaefd259bce34f14775e;hp=8722b7ccf60f1898c7cde553251b8da88b19a45e;hb=1e237cbecffa4e860cab488f3bf0928b1442f500;hpb=1f10576f471e410e38ebec3055cabbfa1adf68a6 diff --git a/loadcfg.c b/loadcfg.c index 8722b7cc..efb6c7d2 100644 --- a/loadcfg.c +++ b/loadcfg.c @@ -1,4 +1,4 @@ -const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.60 2007/01/27 13:09:16 fabiankeil Exp $"; +const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.84 2009/01/14 16:14:36 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/loadcfg.c,v $ @@ -8,7 +8,7 @@ const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.60 2007/01/27 13:09:16 fabiankeil * routine to load the configuration and the global * variables it writes to. * - * Copyright : Written by and Copyright (C) 2001-2007 the SourceForge + * Copyright : Written by and Copyright (C) 2001-2008 the SourceForge * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written @@ -35,6 +35,103 @@ const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.60 2007/01/27 13:09:16 fabiankeil * * Revisions : * $Log: loadcfg.c,v $ + * Revision 1.84 2009/01/14 16:14:36 fabiankeil + * Due to the standard.action file removal, the other action + * files changed their position in config->actions_file[]. + * Update mingw32 kludge accordingly. + * + * Revision 1.83 2008/12/20 14:53:55 fabiankeil + * Add config option socket-timeout to control the time + * Privoxy waits for data to arrive on a socket. Useful + * in case of stale ssh tunnels or when fuzz-testing. + * + * Revision 1.82 2008/11/16 12:43:49 fabiankeil + * Turn keep-alive support into a runtime feature + * that is disabled by setting keep-alive-timeout + * to a negative value. + * + * Revision 1.81 2008/11/13 09:08:42 fabiankeil + * Add new config option: keep-alive-timeout. + * + * Revision 1.80 2008/08/31 15:59:03 fabiankeil + * There's no reason to let remote toggling support depend + * on FEATURE_CGI_EDIT_ACTIONS, so make sure it doesn't. + * + * Revision 1.79 2008/08/30 12:03:07 fabiankeil + * Remove FEATURE_COOKIE_JAR. + * + * Revision 1.78 2008/08/02 08:23:22 fabiankeil + * If the enforce-blocks directive is used with FEATURE_FORCE_LOAD + * disabled, log a message that blocks will always be enforced + * instead of complaining about an unrecognized directive. + * Reported by Pietro Leone. + * + * Revision 1.77 2008/05/26 16:13:22 fabiankeil + * Reuse directive_hash and don't hash the same directive twice. + * + * Revision 1.76 2008/05/10 09:03:16 fabiankeil + * - Merge three string_append() calls. + * - Remove useless assertion. + * + * Revision 1.75 2008/03/30 14:52:05 fabiankeil + * Rename load_actions_file() and load_re_filterfile() + * as they load multiple files "now". + * + * Revision 1.74 2008/03/26 18:07:07 fabiankeil + * Add hostname directive. Closes PR#1918189. + * + * Revision 1.73 2008/02/16 16:54:51 fabiankeil + * Fix typo. + * + * Revision 1.72 2008/02/03 13:46:15 fabiankeil + * Add SOCKS5 support. Patch #1862863 by Eric M. Hopper with minor changes. + * + * Revision 1.71 2007/12/23 15:24:56 fabiankeil + * Reword "unrecognized directive" warning, use better + * mark up and add a
. Fixes parts of #1856559. + * + * Revision 1.70 2007/12/15 14:24:05 fabiankeil + * Plug memory leak if listen-address only specifies the port. + * + * Revision 1.69 2007/10/27 13:02:27 fabiankeil + * Relocate daemon-mode-related log messages to make sure + * they aren't shown again in case of configuration reloads. + * + * Revision 1.68 2007/10/19 16:32:34 fabiankeil + * Plug memory leak introduced with my last commit. + * + * Revision 1.67 2007/10/14 14:12:41 fabiankeil + * When in daemon mode, close stderr after the configuration file has been + * parsed the first time. If logfile isn't set, stop logging. Fixes BR#897436. + * + * Revision 1.66 2007/08/05 14:02:09 fabiankeil + * #1763173 from Stefan Huehner: declare unload_configfile() static. + * + * Revision 1.65 2007/07/21 11:51:36 fabiankeil + * As Hal noticed, checking dispatch_cgi() as the last cruncher + * looks like a bug if CGI requests are blocked unintentionally, + * so don't do it unless the user enabled the new config option + * "allow-cgi-request-crunching". + * + * Revision 1.64 2007/05/21 10:44:08 fabiankeil + * - Use strlcpy() instead of strcpy(). + * - Stop treating actions files special. Expect a complete file name + * (with or without path) like it's done for the rest of the files. + * Closes FR#588084. + * - Remove an unnecessary temporary memory allocation. + * - Don't log anything to the console when running as + * daemon and no errors occurred. + * + * Revision 1.63 2007/04/09 18:11:36 fabiankeil + * Don't mistake VC++'s _snprintf() for a snprintf() replacement. + * + * Revision 1.62 2007/03/17 15:20:05 fabiankeil + * New config option: enforce-blocks. + * + * Revision 1.61 2007/03/16 16:47:35 fabiankeil + * - Mention other reasons why acl directive loading might have failed. + * - Don't log the acl source if the acl destination is to blame. + * * Revision 1.60 2007/01/27 13:09:16 fabiankeil * Add new config option "templdir" to * change the templates directory. @@ -406,9 +503,6 @@ const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.60 2007/01/27 13:09:16 fabiankeil # include "w32log.h" # endif /* ndef _WIN_CONSOLE */ -/* VC++ has "_snprintf", not "snprintf" */ -#define snprintf _snprintf - #else /* ifndef _WIN32 */ #ifndef __OS2__ @@ -432,6 +526,7 @@ const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.60 2007/01/27 13:09:16 fabiankeil #include "encode.h" #include "urlmatch.h" #include "cgi.h" +#include "gateway.h" const char loadcfg_h_rcs[] = LOADCFG_H_VERSION; @@ -479,6 +574,7 @@ static struct file_list *current_configfile = NULL; #define hash_actions_file 1196306641ul /* "actionsfile" */ #define hash_accept_intercepted_requests 1513024973ul /* "accept-intercepted-requests" */ #define hash_admin_address 4112573064ul /* "admin-address" */ +#define hash_allow_cgi_request_crunching 258915987ul /* "allow-cgi-request-crunching" */ #define hash_buffer_limit 1881726070ul /* "buffer-limit */ #define hash_confdir 1978389ul /* "confdir" */ #define hash_debug 78263ul /* "debug" */ @@ -486,18 +582,22 @@ static struct file_list *current_configfile = NULL; #define hash_enable_edit_actions 2517097536ul /* "enable-edit-actions" */ #define hash_enable_remote_toggle 2979744683ul /* "enable-remote-toggle" */ #define hash_enable_remote_http_toggle 110543988ul /* "enable-remote-http-toggle" */ +#define hash_enforce_blocks 1862427469ul /* "enforce-blocks" */ #define hash_filterfile 250887266ul /* "filterfile" */ #define hash_forward 2029845ul /* "forward" */ #define hash_forward_socks4 3963965521ul /* "forward-socks4" */ #define hash_forward_socks4a 2639958518ul /* "forward-socks4a" */ +#define hash_forward_socks5 3963965522ul /* "forward-socks5" */ #define hash_forwarded_connect_retries 101465292ul /* "forwarded-connect-retries" */ -#define hash_jarfile 2046641ul /* "jarfile" */ +#define hash_hostname 10308071ul /* "hostname" */ +#define hash_keep_alive_timeout 3878599515ul /* "keep-alive-timeout" */ #define hash_listen_address 1255650842ul /* "listen-address" */ #define hash_logdir 422889ul /* "logdir" */ #define hash_logfile 2114766ul /* "logfile" */ #define hash_permit_access 3587953268ul /* "permit-access" */ #define hash_proxy_info_url 3903079059ul /* "proxy-info-url" */ #define hash_single_threaded 4250084780ul /* "single-threaded" */ +#define hash_socket_timeout 1809001761ul /* "socket-timeout" */ #define hash_split_large_cgi_forms 671658948ul /* "split-large-cgi-forms" */ #define hash_suppress_blocklists 1948693308ul /* "suppress-blocklists" */ #define hash_templdir 11067889ul /* "templdir" */ @@ -531,7 +631,7 @@ static void savearg(char *command, char *argument, struct configuration_spec * c * Returns : N/A * *********************************************************************/ -void unload_configfile (void * data) +static void unload_configfile (void * data) { struct configuration_spec * config = (struct configuration_spec *)data; struct forward_spec *cur_fwd = config->forward; @@ -561,17 +661,10 @@ void unload_configfile (void * data) } config->forward = NULL; -#ifdef FEATURE_COOKIE_JAR - if ( NULL != config->jar ) - { - fclose( config->jar ); - config->jar = NULL; - } -#endif /* def FEATURE_COOKIE_JAR */ - freez(config->confdir); freez(config->logdir); freez(config->templdir); + freez(config->hostname); freez(config->haddr); freez(config->logfile); @@ -589,10 +682,6 @@ void unload_configfile (void * data) freez(config->proxy_args); freez(config->usermanual); -#ifdef FEATURE_COOKIE_JAR - freez(config->jarfile); -#endif /* def FEATURE_COOKIE_JAR */ - #ifdef FEATURE_TRUST freez(config->trustfile); list_remove_all(config->trust_info); @@ -637,6 +726,9 @@ void unload_current_config_file(void) * * Description : Load the config file and all parameters. * + * XXX: more than thousand lines long + * and thus in serious need of refactoring. + * * Parameters : None * * Returns : The configuration_spec, or NULL on error. @@ -652,6 +744,10 @@ struct configuration_spec * load_config(void) struct file_list *fs; unsigned long linenum = 0; int i; + char *logfile = NULL; +#ifdef FEATURE_CONNECTION_KEEP_ALIVE + int keep_alive_timeout = DEFAULT_KEEP_ALIVE_TIMEOUT; +#endif if ( !check_file_changed(current_configfile, configfile, &fs)) { @@ -664,7 +760,10 @@ struct configuration_spec * load_config(void) configfile); } - log_error(LOG_LEVEL_INFO, "loading configuration file '%s':", configfile); + if (NULL != current_configfile) + { + log_error(LOG_LEVEL_INFO, "Reloading configuration file '%s'", configfile); + } #ifdef FEATURE_TOGGLE global_toggle_state = 1; @@ -700,6 +799,7 @@ struct configuration_spec * load_config(void) config->usermanual = strdup(USER_MANUAL_URL); config->proxy_args = strdup(""); config->forwarded_connect_retries = 0; + config->socket_timeout = 180; config->feature_flags &= ~RUNTIME_FEATURE_CGI_TOGGLE; config->feature_flags &= ~RUNTIME_FEATURE_SPLIT_LARGE_FORMS; config->feature_flags &= ~RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS; @@ -722,8 +822,9 @@ struct configuration_spec * load_config(void) struct forward_spec *cur_fwd; int vec_count; char *vec[3]; + unsigned long directive_hash; - strcpy(tmp, buf); + strlcpy(tmp, buf, sizeof(tmp)); /* Copy command (i.e. up to space or tab) into cmd */ p = buf; @@ -741,7 +842,7 @@ struct configuration_spec * load_config(void) } /* Copy the argument into arg */ - strcpy(arg, p); + strlcpy(arg, p, sizeof(arg)); /* Should never happen, but check this anyway */ if (*cmd == '\0') @@ -761,8 +862,8 @@ struct configuration_spec * load_config(void) /* Save the argument for show-proxy-args */ savearg(cmd, arg, config); - - switch( hash_string( cmd ) ) + directive_hash = hash_string(cmd); + switch (directive_hash) { /* ************************************************************************* * actionsfile actions-file-name @@ -782,15 +883,8 @@ struct configuration_spec * load_config(void) MAX_AF_FILES); } config->actions_file_short[i] = strdup(arg); - p = malloc(strlen(arg) + sizeof(".action")); - if (p == NULL) - { - log_error(LOG_LEVEL_FATAL, "Out of memory"); - } - strcpy(p, arg); - strcat(p, ".action"); - config->actions_file[i] = make_path(config->confdir, p); - free(p); + config->actions_file[i] = make_path(config->confdir, arg); + continue; /* ************************************************************************* * accept-intercepted-requests @@ -814,6 +908,20 @@ struct configuration_spec * load_config(void) config->admin_address = strdup(arg); continue; +/* ************************************************************************* + * allow-cgi-request-crunching + * *************************************************************************/ + case hash_allow_cgi_request_crunching: + if ((*arg != '\0') && (0 != atoi(arg))) + { + config->feature_flags |= RUNTIME_FEATURE_CGI_CRUNCHING; + } + else + { + config->feature_flags &= ~RUNTIME_FEATURE_CGI_CRUNCHING; + } + continue; + /* ************************************************************************* * buffer-limit n * *************************************************************************/ @@ -931,7 +1039,7 @@ struct configuration_spec * load_config(void) /* ************************************************************************* * enable-remote-toggle 0|1 * *************************************************************************/ -#ifdef FEATURE_CGI_EDIT_ACTIONS +#ifdef FEATURE_TOGGLE case hash_enable_remote_toggle: if ((*arg != '\0') && (0 != atoi(arg))) { @@ -942,7 +1050,7 @@ struct configuration_spec * load_config(void) config->feature_flags &= ~RUNTIME_FEATURE_CGI_TOGGLE; } continue; -#endif /* def FEATURE_CGI_EDIT_ACTIONS */ +#endif /* def FEATURE_TOGGLE */ /* ************************************************************************* * enable-remote-http-toggle 0|1 @@ -958,6 +1066,25 @@ struct configuration_spec * load_config(void) } continue; +/* ************************************************************************* + * enforce-blocks 0|1 + * *************************************************************************/ + case hash_enforce_blocks: +#ifdef FEATURE_FORCE_LOAD + if ((*arg != '\0') && (0 != atoi(arg))) + { + config->feature_flags |= RUNTIME_FEATURE_ENFORCE_BLOCKS; + } + else + { + config->feature_flags &= ~RUNTIME_FEATURE_ENFORCE_BLOCKS; + } +#else + log_error(LOG_LEVEL_ERROR, "Ignoring directive 'enforce-blocks'. " + "FEATURE_FORCE_LOAD is disabled, blocks will always be enforced."); +#endif /* def FEATURE_FORCE_LOAD */ + continue; + /* ************************************************************************* * filterfile file-name * In confdir by default. @@ -976,14 +1103,8 @@ struct configuration_spec * load_config(void) MAX_AF_FILES); } config->re_filterfile_short[i] = strdup(arg); - p = malloc(strlen(arg) + 1); - if (p == NULL) - { - log_error(LOG_LEVEL_FATAL, "Out of memory"); - } - strcpy(p, arg); - config->re_filterfile[i] = make_path(config->confdir, p); - free(p); + config->re_filterfile[i] = make_path(config->confdir, arg); + continue; /* ************************************************************************* @@ -1134,6 +1255,7 @@ struct configuration_spec * load_config(void) * forward-socks4a url-pattern socks-proxy[:port] (.|http-proxy[:port]) * *************************************************************************/ case hash_forward_socks4a: + case hash_forward_socks5: vec_count = ssplit(arg, " \t", vec, SZ(vec), 1, 1); if (vec_count != 3) @@ -1155,7 +1277,14 @@ struct configuration_spec * load_config(void) continue; } - cur_fwd->type = SOCKS_4A; + if (directive_hash == hash_forward_socks4a) + { + cur_fwd->type = SOCKS_4A; + } + else + { + cur_fwd->type = SOCKS_5; + } /* Save the URL pattern */ if (create_url_spec(cur_fwd->url, vec[0])) @@ -1216,15 +1345,37 @@ struct configuration_spec * load_config(void) continue; /* ************************************************************************* - * jarfile jar-file-name - * In logdir by default + * hostname hostname-to-show-on-cgi-pages + * *************************************************************************/ + case hash_hostname : + freez(config->hostname); + config->hostname = strdup(arg); + if (NULL == config->hostname) + { + log_error(LOG_LEVEL_FATAL, "Out of memory saving hostname."); + } + continue; + +/* ************************************************************************* + * keep-alive-timeout timeout * *************************************************************************/ -#ifdef FEATURE_COOKIE_JAR - case hash_jarfile : - freez(config->jarfile); - config->jarfile = make_path(config->logdir, arg); +#ifdef FEATURE_CONNECTION_KEEP_ALIVE + case hash_keep_alive_timeout : + if (*arg != '\0') + { + int timeout = atoi(arg); + if (0 <= timeout) + { + config->feature_flags |= RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE; + keep_alive_timeout = timeout; + } + else + { + config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE; + } + } continue; -#endif /* def FEATURE_COOKIE_JAR */ +#endif /* ************************************************************************* * listen-address [ip][:port] @@ -1247,8 +1398,14 @@ struct configuration_spec * load_config(void) * In logdir by default * *************************************************************************/ case hash_logfile : - freez(config->logfile); - config->logfile = no_daemon ? NULL : make_path(config->logdir, arg); + if (!no_daemon) + { + logfile = make_path(config->logdir, arg); + if (NULL == logfile) + { + log_error(LOG_LEVEL_FATAL, "Out of memory while creating logfile path"); + } + } continue; /* ************************************************************************* @@ -1342,6 +1499,25 @@ struct configuration_spec * load_config(void) config->multi_threaded = 0; continue; +/* ************************************************************************* + * socket-timeout numer_of_seconds + * *************************************************************************/ + case hash_socket_timeout : + if (*arg != '\0') + { + int socket_timeout = atoi(arg); + if (0 < socket_timeout) + { + config->socket_timeout = socket_timeout; + } + else + { + log_error(LOG_LEVEL_FATAL, + "Invalid socket-timeout: '%s'", arg); + } + } + continue; + /* ************************************************************************* * split-large-cgi-forms * *************************************************************************/ @@ -1494,11 +1670,10 @@ struct configuration_spec * load_config(void) #endif /* ndef FEATURE_ACL */ #ifndef FEATURE_CGI_EDIT_ACTIONS case hash_enable_edit_actions: +#endif /* ndef FEATURE_CGI_EDIT_ACTIONS */ +#ifndef FEATURE_TOGGLE case hash_enable_remote_toggle: -#endif /* def FEATURE_CGI_EDIT_ACTIONS */ -#ifndef FEATURE_COOKIE_JAR - case hash_jarfile : -#endif /* ndef FEATURE_COOKIE_JAR */ +#endif /* ndef FEATURE_TOGGLE */ #ifndef FEATURE_ACL case hash_permit_access: #endif /* ndef FEATURE_ACL */ @@ -1538,9 +1713,9 @@ struct configuration_spec * load_config(void) * to LOG_LEVEL_FATAL. */ log_error(LOG_LEVEL_ERROR, "Ignoring unrecognized directive '%s' (%luul) in line %lu " - "in configuration file (%s).", buf, hash_string(cmd), linenum, configfile); + "in configuration file (%s).", buf, directive_hash, linenum, configfile); string_append(&config->proxy_args, - " WARNING: unrecognized directive, ignored"); + " Warning: ignored unrecognized directive above.
"); continue; /* *************************************************************************/ @@ -1549,21 +1724,58 @@ struct configuration_spec * load_config(void) fclose(configfp); + set_debug_level(config->debug); + + freez(config->logfile); + + if (!no_daemon) + { + if (NULL != logfile) + { + config->logfile = logfile; + init_error_log(Argv[0], config->logfile); + } + else + { + disable_logging(); + } + } + +#ifdef FEATURE_CONNECTION_KEEP_ALIVE + if (config->feature_flags & RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE) + { + if (config->multi_threaded) + { + set_keep_alive_timeout(keep_alive_timeout); + } + else + { + /* + * While we could use keep-alive without multiple threads + * if we didn't bother with enforcing the connection timeout, + * that might make Tor users sad, even though they shouldn't + * enable the single-threaded option anyway. + */ + config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE; + log_error(LOG_LEVEL_ERROR, + "Config option single-threaded disables connection keep-alive."); + } + } +#endif + if (NULL == config->proxy_args) { log_error(LOG_LEVEL_FATAL, "Out of memory loading config - insufficient memory for config->proxy_args"); } - init_error_log(Argv[0], config->logfile, config->debug); - if (config->actions_file[0]) { - add_loader(load_actions_file, config); + add_loader(load_action_files, config); } - if (config->re_filterfile) + if (config->re_filterfile[0]) { - add_loader(load_re_filterfile, config); + add_loader(load_re_filterfiles, config); } #ifdef FEATURE_TRUST @@ -1573,18 +1785,6 @@ struct configuration_spec * load_config(void) } #endif /* def FEATURE_TRUST */ -#ifdef FEATURE_COOKIE_JAR - if ( NULL != config->jarfile ) - { - if ( NULL == (config->jar = fopen(config->jarfile, "a")) ) - { - log_error(LOG_LEVEL_FATAL, "can't open jarfile '%s': %E", config->jarfile); - /* Never get here - LOG_LEVEL_FATAL causes program exit */ - } - setbuf(config->jar, NULL); - } -#endif /* def FEATURE_COOKIE_JAR */ - if ( NULL == config->haddr ) { config->haddr = strdup( HADDR_DEFAULT ); @@ -1609,7 +1809,11 @@ struct configuration_spec * load_config(void) } if (*config->haddr == '\0') { - config->haddr = NULL; + /* + * Only the port specified. We stored it in config->hport + * and don't need its text representation anymore. + */ + freez(config->haddr); } } @@ -1632,8 +1836,8 @@ struct configuration_spec * load_config(void) /* FIXME: this is a kludge for win32 */ #if defined(_WIN32) && !defined (_WIN_CONSOLE) - g_default_actions_file = config->actions_file[1]; /* FIXME Hope this is default.action */ - g_user_actions_file = config->actions_file[2]; /* FIXME Hope this is user.action */ + g_default_actions_file = config->actions_file[0]; /* FIXME Hope this is default.action */ + g_user_actions_file = config->actions_file[1]; /* FIXME Hope this is user.action */ g_re_filterfile = config->re_filterfile[0]; /* FIXME Hope this is default.filter */ #ifdef FEATURE_TRUST @@ -1714,12 +1918,11 @@ static void savearg(char *command, char *argument, struct configuration_spec * c char * s; assert(command); - assert(*command); assert(argument); /* * Add config option name embedded in - * link to it's section in the user-manual + * link to its section in the user-manual */ buf = strdup("\nusermanual, "file://", 7) || @@ -1729,9 +1932,7 @@ static void savearg(char *command, char *argument, struct configuration_spec * c } else { - string_append(&buf, "http://"); - string_append(&buf, CGI_SITE_2_HOST); - string_append(&buf, "/user-manual/"); + string_append(&buf, "http://" CGI_SITE_2_HOST "/user-manual/"); } string_append(&buf, CONFIG_HELP_PREFIX); string_join (&buf, string_toupper(command));