X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=loadcfg.c;h=e8cdffee19e217f218ba2b4aaff6336263006899;hp=6c329ec94ce06245041f65f4eae47cfde57c1cf9;hb=7561fe12f24fdb42375f78ba965e952c3841fbeb;hpb=2dfe499721cd57f5e24918d50f605a48391f6fda diff --git a/loadcfg.c b/loadcfg.c index 6c329ec9..e8cdffee 100644 --- a/loadcfg.c +++ b/loadcfg.c @@ -1,4 +1,4 @@ -const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.128 2012/05/24 14:58:16 fabiankeil Exp $"; +const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.144 2015/12/27 12:50:42 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/loadcfg.c,v $ @@ -8,7 +8,7 @@ const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.128 2012/05/24 14:58:16 fabiankei * routine to load the configuration and the global * variables it writes to. * - * Copyright : Written by and Copyright (C) 2001-2009 the + * Copyright : Written by and Copyright (C) 2001-2016 the * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written @@ -123,6 +123,7 @@ static struct file_list *current_configfile = NULL; #define hash_admin_address 4112573064U /* "admin-address" */ #define hash_allow_cgi_request_crunching 258915987U /* "allow-cgi-request-crunching" */ #define hash_buffer_limit 1881726070U /* "buffer-limit */ +#define hash_client_header_order 2701453514U /* "client-header-order" */ #define hash_compression_level 2464423563U /* "compression-level" */ #define hash_confdir 1978389U /* "confdir" */ #define hash_connection_sharing 1348841265U /* "connection-sharing" */ @@ -131,6 +132,7 @@ static struct file_list *current_configfile = NULL; #define hash_deny_access 1227333715U /* "deny-access" */ #define hash_enable_edit_actions 2517097536U /* "enable-edit-actions" */ #define hash_enable_compression 3943696946U /* "enable-compression" */ +#define hash_enable_proxy_authentication_forwarding 4040610791U /* enable-proxy-authentication-forwarding */ #define hash_enable_remote_toggle 2979744683U /* "enable-remote-toggle" */ #define hash_enable_remote_http_toggle 110543988U /* "enable-remote-http-toggle" */ #define hash_enforce_blocks 1862427469U /* "enforce-blocks" */ @@ -139,6 +141,7 @@ static struct file_list *current_configfile = NULL; #define hash_forward_socks4 3963965521U /* "forward-socks4" */ #define hash_forward_socks4a 2639958518U /* "forward-socks4a" */ #define hash_forward_socks5 3963965522U /* "forward-socks5" */ +#define hash_forward_socks5t 2639958542U /* "forward-socks5t" */ #define hash_forwarded_connect_retries 101465292U /* "forwarded-connect-retries" */ #define hash_handle_as_empty_returns_ok 1444873247U /* "handle-as-empty-doc-returns-ok" */ #define hash_hostname 10308071U /* "hostname" */ @@ -154,6 +157,8 @@ static struct file_list *current_configfile = NULL; #define hash_split_large_cgi_forms 671658948U /* "split-large-cgi-forms" */ #define hash_suppress_blocklists 1948693308U /* "suppress-blocklists" */ #define hash_templdir 11067889U /* "templdir" */ +#define hash_temporary_directory 1824125181U /* "temporary-directory" */ +#define hash_tolerate_pipelining 1360286620U /* "tolerate-pipelining" */ #define hash_toggle 447966U /* "toggle" */ #define hash_trust_info_url 430331967U /* "trust-info-url" */ #define hash_trustfile 56494766U /* "trustfile" */ @@ -205,7 +210,7 @@ static void unload_configfile (void * data) while (cur_fwd != NULL) { struct forward_spec * next_fwd = cur_fwd->next; - free_url_spec(cur_fwd->url); + free_pattern_spec(cur_fwd->url); freez(cur_fwd->gateway_host); freez(cur_fwd->forward_host); @@ -218,6 +223,9 @@ static void unload_configfile (void * data) freez(config->logdir); freez(config->templdir); freez(config->hostname); +#ifdef FEATURE_EXTERNAL_FILTERS + freez(config->temporary_directory); +#endif for (i = 0; i < MAX_LISTENING_SOCKETS; i++) { @@ -233,6 +241,8 @@ static void unload_configfile (void * data) freez(config->re_filterfile[i]); } + list_remove_all(config->ordered_client_headers); + freez(config->admin_address); freez(config->proxy_info_url); freez(config->proxy_args); @@ -271,6 +281,47 @@ void unload_current_config_file(void) #endif +/********************************************************************* + * + * Function : parse_numeric_value + * + * Description : Parse the value of a directive that can only have + * a single numeric value. Terminates with a fatal error + * if the value is NULL or not numeric. + * + * Parameters : + * 1 : name: The name of the directive. Used for log messages. + * 2 : value: The value to parse + * + * + * Returns : The numerical value as integer + * + *********************************************************************/ +static int parse_numeric_value(const char *name, const char *value) +{ + int number; + char *endptr; + + assert(name != NULL); + assert(value != NULL); + + if ((value == NULL) || (*value == '\0')) + { + log_error(LOG_LEVEL_FATAL, "Directive %s used without argument", name); + } + + number = (int)strtol(value, &endptr, 0); + if (*endptr != '\0') + { + log_error(LOG_LEVEL_FATAL, + "Directive '%s' used with non-numerical value: '%s'", name, value); + } + + return number; + +} + + /********************************************************************* * * Function : parse_toggle_value @@ -316,6 +367,76 @@ static int parse_toggle_state(const char *name, const char *value) } +/********************************************************************* + * + * Function : parse_client_header_order + * + * Description : Parse the value of the header-order directive + * + * Parameters : + * 1 : ordered_header_list: List to insert the ordered + * headers into. + * 2 : ordered_headers: The ordered header names separated + * by spaces or tabs. + * + * + * Returns : N/A + * + *********************************************************************/ +static void parse_client_header_order(struct list *ordered_header_list, const char *ordered_headers) +{ + char *original_headers_copy; + char **vector; + size_t max_segments; + int number_of_headers; + int i; + + assert(ordered_header_list != NULL); + assert(ordered_headers != NULL); + + if (ordered_headers == NULL) + { + log_error(LOG_LEVEL_FATAL, "header-order used without argument"); + } + + /* + * XXX: This estimate is guaranteed to be high enough as we + * let ssplit() ignore empty fields, but also a bit wasteful. + * The same hack is used in get_last_url() so it looks like + * a real solution is needed. + */ + max_segments = strlen(ordered_headers) / 2; + if (max_segments == 0) + { + max_segments = 1; + } + vector = malloc_or_die(max_segments * sizeof(char *)); + + original_headers_copy = strdup_or_die(ordered_headers); + + number_of_headers = ssplit(original_headers_copy, "\t ", vector, max_segments); + if (number_of_headers == -1) + { + log_error(LOG_LEVEL_FATAL, "Failed to split ordered headers"); + } + + for (i = 0; i < number_of_headers; i++) + { + if (JB_ERR_OK != enlist(ordered_header_list, vector[i])) + { + log_error(LOG_LEVEL_FATAL, + "Failed to enlist ordered header: %s", vector[i]); + } + } + + freez(vector); + freez(original_headers_copy); + + return; + +} + + /********************************************************************* * * Function : load_config @@ -392,7 +513,12 @@ struct configuration_spec * load_config(void) config->usermanual = strdup(USER_MANUAL_URL); config->proxy_args = strdup(""); config->forwarded_connect_retries = 0; - config->max_client_connections = 0; + /* + * 128 client sockets ought to be enough for everybody who can't + * be bothered to read the documentation to figure out how to + * increase the limit. + */ + config->max_client_connections = 128; config->socket_timeout = 300; /* XXX: Should be a macro. */ #ifdef FEATURE_CONNECTION_KEEP_ALIVE config->default_server_timeout = 0; @@ -404,6 +530,7 @@ struct configuration_spec * load_config(void) config->feature_flags &= ~RUNTIME_FEATURE_SPLIT_LARGE_FORMS; config->feature_flags &= ~RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS; config->feature_flags &= ~RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK; + config->feature_flags &= ~RUNTIME_FEATURE_FORWARD_PROXY_AUTHENTICATION_HEADERS; #ifdef FEATURE_COMPRESSION config->feature_flags &= ~RUNTIME_FEATURE_COMPRESSION; /* @@ -411,6 +538,7 @@ struct configuration_spec * load_config(void) */ config->compression_level = 1; #endif + config->feature_flags &= ~RUNTIME_FEATURE_TOLERATE_PIPELINING; configfp = fopen(configfile, "r"); if (NULL == configfp) @@ -536,7 +664,15 @@ struct configuration_spec * load_config(void) * buffer-limit n * *************************************************************************/ case hash_buffer_limit : - config->buffer_limit = (size_t)(1024 * atoi(arg)); + config->buffer_limit = (size_t)(1024 * parse_numeric_value(cmd, arg)); + break; + +/* ************************************************************************* + * client-header-order header-1 header-2 ... header-n + * *************************************************************************/ + case hash_client_header_order: + list_remove_all(config->ordered_client_headers); + parse_client_header_order(config->ordered_client_headers, arg); break; /* ************************************************************************* @@ -552,25 +688,19 @@ struct configuration_spec * load_config(void) * *************************************************************************/ #ifdef FEATURE_COMPRESSION case hash_compression_level : - if (*arg != '\0') + { + int compression_level = parse_numeric_value(cmd, arg); + if (-1 <= compression_level && compression_level <= 9) { - int compression_level = atoi(arg); - if (-1 <= compression_level && compression_level <= 9) - { - config->compression_level = compression_level;; - } - else - { - log_error(LOG_LEVEL_FATAL, - "Invalid compression-level value: %s", arg); - } + config->compression_level = compression_level;; } else { log_error(LOG_LEVEL_FATAL, - "Invalid compression-level directive. Compression value missing"); + "Invalid compression-level value: %s", arg); } break; + } #endif /* ************************************************************************* @@ -594,7 +724,7 @@ struct configuration_spec * load_config(void) * Specifies debug level, multiple values are ORed together. * *************************************************************************/ case hash_debug : - config->debug |= atoi(arg); + config->debug |= parse_numeric_value(cmd, arg); break; /* ************************************************************************* @@ -602,20 +732,19 @@ struct configuration_spec * load_config(void) * *************************************************************************/ #ifdef FEATURE_CONNECTION_KEEP_ALIVE case hash_default_server_timeout : - if (*arg != '\0') + { + int timeout = parse_numeric_value(cmd, arg); + if (0 <= timeout) { - int timeout = atoi(arg); - if (0 <= timeout) - { - config->default_server_timeout = (unsigned int)timeout; - } - else - { - log_error(LOG_LEVEL_FATAL, - "Invalid default-server-timeout value: %s", arg); - } + config->default_server_timeout = (unsigned int)timeout; + } + else + { + log_error(LOG_LEVEL_FATAL, + "Invalid default-server-timeout value: %s", arg); } break; + } #endif /* ************************************************************************* @@ -732,6 +861,19 @@ struct configuration_spec * load_config(void) break; #endif /* def FEATURE_COMPRESSION */ +/* ************************************************************************* + * enable-proxy-authentication-forwarding 0|1 + * *************************************************************************/ + case hash_enable_proxy_authentication_forwarding: + if (parse_toggle_state(cmd, arg) == 1) + { + config->feature_flags |= RUNTIME_FEATURE_FORWARD_PROXY_AUTHENTICATION_HEADERS; + } + else + { + config->feature_flags &= ~RUNTIME_FEATURE_FORWARD_PROXY_AUTHENTICATION_HEADERS; + } + break; /* ************************************************************************* * enable-remote-toggle 0|1 @@ -833,13 +975,14 @@ struct configuration_spec * load_config(void) cur_fwd->type = SOCKS_NONE; /* Save the URL pattern */ - if (create_url_spec(cur_fwd->url, vec[0])) + if (create_pattern_spec(cur_fwd->url, vec[0])) { log_error(LOG_LEVEL_ERROR, "Bad URL specifier for forward " "directive in configuration file."); string_append(&config->proxy_args, "
\nWARNING: Bad URL specifier for " "forward directive in configuration file."); + freez(cur_fwd); break; } @@ -888,13 +1031,14 @@ struct configuration_spec * load_config(void) cur_fwd->type = SOCKS_4; /* Save the URL pattern */ - if (create_url_spec(cur_fwd->url, vec[0])) + if (create_pattern_spec(cur_fwd->url, vec[0])) { log_error(LOG_LEVEL_ERROR, "Bad URL specifier for forward-socks4 " "directive in configuration file."); string_append(&config->proxy_args, "
\nWARNING: Bad URL specifier for " "forward-socks4 directive in configuration file."); + freez(cur_fwd); break; } @@ -930,16 +1074,20 @@ struct configuration_spec * load_config(void) * *************************************************************************/ case hash_forward_socks4a: case hash_forward_socks5: + case hash_forward_socks5t: strlcpy(tmp, arg, sizeof(tmp)); vec_count = ssplit(tmp, " \t", vec, SZ(vec)); if (vec_count != 3) { - log_error(LOG_LEVEL_ERROR, "Wrong number of parameters for " - "forward-socks4a directive in configuration file."); + log_error(LOG_LEVEL_ERROR, + "Wrong number of parameters for %s in configuration file.", + cmd); string_append(&config->proxy_args, - "
\nWARNING: Wrong number of parameters for " - "forward-socks4a directive in configuration file."); + "
\nWARNING: Wrong number of parameters for "); + string_append(&config->proxy_args, cmd); + string_append(&config->proxy_args, + "directive in configuration file."); break; } @@ -956,19 +1104,28 @@ struct configuration_spec * load_config(void) { cur_fwd->type = SOCKS_4A; } - else + else if (directive_hash == hash_forward_socks5) { cur_fwd->type = SOCKS_5; } + else + { + assert(directive_hash == hash_forward_socks5t); + cur_fwd->type = SOCKS_5T; + } /* Save the URL pattern */ - if (create_url_spec(cur_fwd->url, vec[0])) + if (create_pattern_spec(cur_fwd->url, vec[0])) { - log_error(LOG_LEVEL_ERROR, "Bad URL specifier for forward-socks4a " - "directive in configuration file."); + log_error(LOG_LEVEL_ERROR, + "Bad URL specifier for %s in configuration file.", + cmd); string_append(&config->proxy_args, - "
\nWARNING: Bad URL specifier for " - "forward-socks4a directive in configuration file."); + "
\nWARNING: Bad URL specifier for "); + string_append(&config->proxy_args, cmd); + string_append(&config->proxy_args, + "directive in configuration file."); + freez(cur_fwd); break; } @@ -999,7 +1156,7 @@ struct configuration_spec * load_config(void) * forwarded-connect-retries n * *************************************************************************/ case hash_forwarded_connect_retries : - config->forwarded_connect_retries = atoi(arg); + config->forwarded_connect_retries = parse_numeric_value(cmd, arg); break; /* ************************************************************************* @@ -1039,20 +1196,19 @@ struct configuration_spec * load_config(void) * *************************************************************************/ #ifdef FEATURE_CONNECTION_KEEP_ALIVE case hash_keep_alive_timeout : - if (*arg != '\0') + { + int timeout = parse_numeric_value(cmd, arg); + if (0 < timeout) { - int timeout = atoi(arg); - if (0 < timeout) - { - config->feature_flags |= RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE; - config->keep_alive_timeout = (unsigned int)timeout; - } - else - { - config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE; - } + config->feature_flags |= RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE; + config->keep_alive_timeout = (unsigned int)timeout; + } + else + { + config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE; } break; + } #endif /* ************************************************************************* @@ -1105,15 +1261,15 @@ struct configuration_spec * load_config(void) * max-client-connections number * *************************************************************************/ case hash_max_client_connections : - if (*arg != '\0') + { + int max_client_connections = parse_numeric_value(cmd, arg); + if (0 <= max_client_connections) { - int max_client_connections = atoi(arg); - if (0 <= max_client_connections) - { - config->max_client_connections = max_client_connections; - } + /* XXX: log error */ + config->max_client_connections = max_client_connections; } break; + } /* ************************************************************************* * permit-access source-ip[/significant-bits] [dest-ip[/significant-bits]] @@ -1207,30 +1363,28 @@ struct configuration_spec * load_config(void) break; /* ************************************************************************* - * single-threaded + * single-threaded 0|1 * *************************************************************************/ case hash_single_threaded : - config->multi_threaded = 0; + config->multi_threaded = 0 == parse_toggle_state(cmd, arg); break; /* ************************************************************************* * socket-timeout numer_of_seconds * *************************************************************************/ case hash_socket_timeout : - if (*arg != '\0') + { + int socket_timeout = parse_numeric_value(cmd, arg); + if (0 <= socket_timeout) { - 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); - } + config->socket_timeout = socket_timeout; + } + else + { + log_error(LOG_LEVEL_FATAL, "Invalid socket-timeout: '%s'", arg); } break; + } /* ************************************************************************* * split-large-cgi-forms @@ -1254,12 +1408,36 @@ struct configuration_spec * load_config(void) config->templdir = make_path(NULL, arg); break; +#ifdef FEATURE_EXTERNAL_FILTERS +/* ************************************************************************* + * temporary-directory directory-name + * *************************************************************************/ + case hash_temporary_directory : + freez(config->temporary_directory); + config->temporary_directory = make_path(NULL, arg); + break; +#endif + +/* ************************************************************************* + * tolerate-pipelining (0|1) + * *************************************************************************/ + case hash_tolerate_pipelining : + if (parse_toggle_state(cmd, arg) == 1) + { + config->feature_flags |= RUNTIME_FEATURE_TOLERATE_PIPELINING; + } + else + { + config->feature_flags &= ~RUNTIME_FEATURE_TOLERATE_PIPELINING; + } + break; + /* ************************************************************************* * toggle (0|1) * *************************************************************************/ #ifdef FEATURE_TOGGLE case hash_toggle : - global_toggle_state = atoi(arg); + global_toggle_state = parse_toggle_state(cmd, arg); break; #endif /* def FEATURE_TOGGLE */ @@ -1319,21 +1497,21 @@ struct configuration_spec * load_config(void) * activity-animation (0|1) * *************************************************************************/ case hash_activity_animation : - g_bShowActivityAnimation = atoi(arg); + g_bShowActivityAnimation = parse_toggle_state(cmd, arg); break; /* ************************************************************************* * close-button-minimizes (0|1) * *************************************************************************/ case hash_close_button_minimizes : - g_bCloseHidesWindow = atoi(arg); + g_bCloseHidesWindow = parse_toggle_state(cmd, arg); break; /* ************************************************************************* * log-buffer-size (0|1) * *************************************************************************/ case hash_log_buffer_size : - g_bLimitBufferSize = atoi(arg); + g_bLimitBufferSize = parse_toggle_state(cmd, arg); break; /* ************************************************************************* @@ -1353,35 +1531,35 @@ struct configuration_spec * load_config(void) * log-font-size n * *************************************************************************/ case hash_log_font_size : - g_nFontSize = atoi(arg); + g_nFontSize = parse_numeric_value(cmd, arg); break; /* ************************************************************************* * log-highlight-messages (0|1) * *************************************************************************/ case hash_log_highlight_messages : - g_bHighlightMessages = atoi(arg); + g_bHighlightMessages = parse_toggle_state(cmd, arg); break; /* ************************************************************************* * log-max-lines n * *************************************************************************/ case hash_log_max_lines : - g_nMaxBufferLines = atoi(arg); + g_nMaxBufferLines = parse_numeric_value(cmd, arg); break; /* ************************************************************************* * log-messages (0|1) * *************************************************************************/ case hash_log_messages : - g_bLogMessages = atoi(arg); + g_bLogMessages = parse_toggle_state(cmd, arg); break; /* ************************************************************************* * show-on-task-bar (0|1) * *************************************************************************/ case hash_show_on_task_bar : - g_bShowOnTaskBar = atoi(arg); + g_bShowOnTaskBar = parse_toggle_state(cmd, arg); break; #endif /* defined(_WIN32) && ! defined(_WIN_CONSOLE) */