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loadcfg.c
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loadcfg.c
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/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/loadcfg.c,v $
*
* Purpose : Loads settings from the configuration file into
* global variables. This file contains both the
* routine to load the configuration and the global
* variables it writes to.
*
* Copyright : Written by and Copyright (C) 2001-2017 the
* Privoxy team. http://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
* by and Copyright (C) 1997 Anonymous Coders and
* Junkbusters Corporation. http://www.junkbusters.com
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* The GNU General Public License should be included with
* this file. If not, you can view it at
* http://www.gnu.org/copyleft/gpl.html
* or write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*********************************************************************/
#include "config.h"
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <assert.h>
#ifdef _WIN32
# ifndef STRICT
# define STRICT
# endif
# include <winsock2.h>
# include <windows.h>
# include "win32.h"
# ifndef _WIN_CONSOLE
# include "w32log.h"
# endif /* ndef _WIN_CONSOLE */
#else /* ifndef _WIN32 */
#ifndef __OS2__
# include <unistd.h>
# include <sys/wait.h>
#endif
# include <sys/time.h>
# include <sys/stat.h>
# include <signal.h>
#endif
#include "project.h"
#include "loadcfg.h"
#include "list.h"
#include "jcc.h"
#include "filters.h"
#include "loaders.h"
#include "miscutil.h"
#include "errlog.h"
#include "ssplit.h"
#include "encode.h"
#include "urlmatch.h"
#include "cgi.h"
#include "gateway.h"
#ifdef FEATURE_CLIENT_TAGS
#include "client-tags.h"
#endif
/*
* Default number of seconds after which an
* open connection will no longer be reused.
*/
#define DEFAULT_KEEP_ALIVE_TIMEOUT 180
/*
* Default backlog passed to listen().
*/
#define DEFAULT_LISTEN_BACKLOG 128
#ifdef FEATURE_TOGGLE
/* Privoxy is enabled by default. */
int global_toggle_state = 1;
#endif /* def FEATURE_TOGGLE */
/* The filename of the configfile */
const char *configfile = NULL;
/*
* CGI functions will later need access to the invocation args,
* so we will make argc and argv global.
*/
int Argc = 0;
char * const * Argv = NULL;
static struct file_list *current_configfile = NULL;
/*
* This takes the "cryptic" hash of each keyword and aliases them to
* something a little more readable. This also makes changing the
* hash values easier if they should change or the hash algorthm changes.
* Use the included "hash" program to find out what the hash will be
* for any string supplied on the command line. (Or just put it in the
* config file and read the number from the error message in the log).
*
* Please keep this list sorted alphabetically (but with the Windows
* console and GUI specific options last).
*/
#define hash_actions_file 1196306641U /* "actionsfile" */
#define hash_accept_intercepted_requests 1513024973U /* "accept-intercepted-requests" */
#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_client_specific_tag 3353703383U /* "client-specific-tag" */
#define hash_client_tag_lifetime 647957580U /* "client-tag-lifetime" */
#define hash_compression_level 2464423563U /* "compression-level" */
#define hash_confdir 1978389U /* "confdir" */
#define hash_connection_sharing 1348841265U /* "connection-sharing" */
#define hash_debug 78263U /* "debug" */
#define hash_default_server_timeout 2530089913U /* "default-server-timeout" */
#define hash_deny_access 1227333715U /* "deny-access" */
#define hash_enable_accept_filter 2909040407U /* "enable-accept-filter" */
#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" */
#define hash_filterfile 250887266U /* "filterfile" */
#define hash_forward 2029845U /* "forward" */
#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" */
#define hash_keep_alive_timeout 3878599515U /* "keep-alive-timeout" */
#define hash_listen_address 1255650842U /* "listen-address" */
#define hash_listen_backlog 1255655735U /* "listen-backlog" */
#define hash_logdir 422889U /* "logdir" */
#define hash_logfile 2114766U /* "logfile" */
#define hash_max_client_connections 3595884446U /* "max-client-connections" */
#define hash_permit_access 3587953268U /* "permit-access" */
#define hash_proxy_info_url 3903079059U /* "proxy-info-url" */
#define hash_receive_buffer_size 2880297454U /* "receive-buffer-size */
#define hash_single_threaded 4250084780U /* "single-threaded" */
#define hash_socket_timeout 1809001761U /* "socket-timeout" */
#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_trust_x_forwarded_for 2971537414U /* "trust-x-forwarded-for" */
#define hash_trusted_cgi_referrer 4270883427U /* "trusted-cgi-referrer" */
#define hash_trustfile 56494766U /* "trustfile" */
#define hash_usermanual 1416668518U /* "user-manual" */
#define hash_activity_animation 1817904738U /* "activity-animation" */
#define hash_close_button_minimizes 3651284693U /* "close-button-minimizes" */
#define hash_hide_console 2048809870U /* "hide-console" */
#define hash_log_buffer_size 2918070425U /* "log-buffer-size" */
#define hash_log_font_name 2866730124U /* "log-font-name" */
#define hash_log_font_size 2866731014U /* "log-font-size" */
#define hash_log_highlight_messages 4032101240U /* "log-highlight-messages" */
#define hash_log_max_lines 2868344173U /* "log-max-lines" */
#define hash_log_messages 2291744899U /* "log-messages" */
#define hash_show_on_task_bar 215410365U /* "show-on-task-bar" */
static void savearg(char *command, char *argument, struct configuration_spec * config);
#ifdef FEATURE_CLIENT_TAGS
static void free_client_specific_tags(struct client_tag_spec *tag_list);
#endif
/*********************************************************************
*
* Function : unload_configfile
*
* Description : Free the config structure and all components.
*
* Parameters :
* 1 : data: struct configuration_spec to unload
*
* Returns : N/A
*
*********************************************************************/
static void unload_configfile (void * data)
{
struct configuration_spec * config = (struct configuration_spec *)data;
struct forward_spec *cur_fwd = config->forward;
int i;
#ifdef FEATURE_ACL
struct access_control_list *cur_acl = config->acl;
while (cur_acl != NULL)
{
struct access_control_list * next_acl = cur_acl->next;
free(cur_acl);
cur_acl = next_acl;
}
config->acl = NULL;
#endif /* def FEATURE_ACL */
while (cur_fwd != NULL)
{
struct forward_spec * next_fwd = cur_fwd->next;
free_pattern_spec(cur_fwd->url);
freez(cur_fwd->gateway_host);
freez(cur_fwd->forward_host);
free(cur_fwd);
cur_fwd = next_fwd;
}
config->forward = NULL;
freez(config->confdir);
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++)
{
freez(config->haddr[i]);
}
freez(config->logfile);
for (i = 0; i < MAX_AF_FILES; i++)
{
freez(config->actions_file_short[i]);
freez(config->actions_file[i]);
freez(config->re_filterfile_short[i]);
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);
freez(config->usermanual);
freez(config->trusted_cgi_referrer);
#ifdef FEATURE_TRUST
freez(config->trustfile);
list_remove_all(config->trust_info);
#endif /* def FEATURE_TRUST */
#ifdef FEATURE_CLIENT_TAGS
free_client_specific_tags(config->client_tags);
#endif
freez(config);
}
#ifdef FEATURE_GRACEFUL_TERMINATION
/*********************************************************************
*
* Function : unload_current_config_file
*
* Description : Unloads current config file - reset to state at
* beginning of program.
*
* Parameters : None
*
* Returns : N/A
*
*********************************************************************/
void unload_current_config_file(void)
{
if (current_configfile)
{
current_configfile->unloader = unload_configfile;
current_configfile = NULL;
}
}
#endif
#ifdef FEATURE_CLIENT_TAGS
/*********************************************************************
*
* Function : register_tag
*
* Description : Registers a client-specific-tag and its description
*
* Parameters :
* 1 : config: The tag list
* 2 : name: The name of the client-specific-tag
* 3 : description: The human-readable description for the tag
*
* Returns : N/A
*
*********************************************************************/
static void register_tag(struct client_tag_spec *tag_list,
const char *name, const char *description)
{
struct client_tag_spec *new_tag;
struct client_tag_spec *last_tag;
last_tag = tag_list;
while (last_tag->next != NULL)
{
last_tag = last_tag->next;
}
if (last_tag->name == NULL)
{
/* First entry */
new_tag = last_tag;
}
else
{
new_tag = zalloc_or_die(sizeof(struct client_tag_spec));
}
new_tag->name = strdup_or_die(name);
new_tag->description = strdup_or_die(description);
if (new_tag != last_tag)
{
last_tag->next = new_tag;
}
}
/*********************************************************************
*
* Function : free_client_specific_tags
*
* Description : Frees client-specific tags and their descriptions
*
* Parameters :
* 1 : tag_list: The tag list to free
*
* Returns : N/A
*
*********************************************************************/
static void free_client_specific_tags(struct client_tag_spec *tag_list)
{
struct client_tag_spec *this_tag;
struct client_tag_spec *next_tag;
next_tag = tag_list;
do
{
this_tag = next_tag;
next_tag = next_tag->next;
freez(this_tag->name);
freez(this_tag->description);
if (this_tag != tag_list)
{
freez(this_tag);
}
} while (next_tag != NULL);
}
#endif /* def FEATURE_CLIENT_TAGS */
/*********************************************************************
*
* 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
*
* Description : Parse the value of a directive that can only be
* enabled or disabled. Terminates with a fatal error
* if the value is NULL or something other than 0 or 1.
*
* Parameters :
* 1 : name: The name of the directive. Used for log messages.
* 2 : value: The value to parse
*
*
* Returns : The numerical toggle state
*
*********************************************************************/
static int parse_toggle_state(const char *name, const char *value)
{
int toggle_state;
assert(name != NULL);
assert(value != NULL);
if ((value == NULL) || (*value == '\0'))
{
log_error(LOG_LEVEL_FATAL, "Directive %s used without argument", name);
}
toggle_state = atoi(value);
/*
* Also check the length as atoi() doesn't mind
* garbage after a valid integer, but we do.
*/
if (((toggle_state != 0) && (toggle_state != 1)) || (strlen(value) != 1))
{
log_error(LOG_LEVEL_FATAL,
"Directive %s used with invalid argument '%s'. Use either '0' or '1'.",
name, value);
}
return toggle_state;
}
/*********************************************************************
*
* 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
*
* 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.
*
*********************************************************************/
struct configuration_spec * load_config(void)
{
char *buf = NULL;
char *p, *q;
FILE *configfp = NULL;
struct configuration_spec * config = NULL;
struct client_state * fake_csp;
struct file_list *fs;
unsigned long linenum = 0;
int i;
char *logfile = NULL;
if (!check_file_changed(current_configfile, configfile, &fs))
{
/* No need to load */
return ((struct configuration_spec *)current_configfile->f);
}
if (NULL == fs)
{
log_error(LOG_LEVEL_FATAL,
"can't check configuration file '%s': %E", configfile);
return NULL;
}
if (NULL != current_configfile)
{
log_error(LOG_LEVEL_INFO, "Reloading configuration file '%s'", configfile);
}
#ifdef FEATURE_TOGGLE
global_toggle_state = 1;
#endif /* def FEATURE_TOGGLE */
fs->f = config = zalloc_or_die(sizeof(*config));
/*
* This is backwards from how it's usually done.
* Following the usual pattern, "fs" would be stored in a member
* variable in "csp", and then we'd access "config" from "fs->f",
* using a cast. However, "config" is used so often that a
* cast each time would be very ugly, and the extra indirection
* would waste CPU cycles. Therefore we store "config" in
* "csp->config", and "fs" in "csp->config->config_file_list".
*/
config->config_file_list = fs;
/*
* Set to defaults
*/
config->multi_threaded = 1;
config->buffer_limit = 4096 * 1024;
config->receive_buffer_size = BUFFER_SIZE;
config->usermanual = strdup_or_die(USER_MANUAL_URL);
config->proxy_args = strdup_or_die("");
config->forwarded_connect_retries = 0;
#ifdef FEATURE_CLIENT_TAGS
config->client_tag_lifetime = 60;
#endif
config->trust_x_forwarded_for = 0;
#if defined(FEATURE_ACCEPT_FILTER) && defined(SO_ACCEPTFILTER)
config->enable_accept_filter = 0;
#endif
config->listen_backlog = DEFAULT_LISTEN_BACKLOG;
config->trusted_cgi_referrer = NULL;
/*
* 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;
config->keep_alive_timeout = DEFAULT_KEEP_ALIVE_TIMEOUT;
config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_KEEP_ALIVE;
config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_SHARING;
#endif
config->feature_flags &= ~RUNTIME_FEATURE_CGI_TOGGLE;
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;
/*
* XXX: Run some benchmarks to see if there are better default values.
*/
config->compression_level = 1;
#endif
config->feature_flags &= ~RUNTIME_FEATURE_TOLERATE_PIPELINING;
configfp = fopen(configfile, "r");
if (NULL == configfp)
{
log_error(LOG_LEVEL_FATAL,
"can't open configuration file '%s': %E", configfile);
/* Never get here - LOG_LEVEL_FATAL causes program exit */
}
while (read_config_line(configfp, &linenum, &buf) != NULL)
{
char cmd[BUFFER_SIZE];
char arg[BUFFER_SIZE];
char tmp[BUFFER_SIZE];
#ifdef FEATURE_ACL
struct access_control_list *cur_acl;
#endif /* def FEATURE_ACL */
struct forward_spec *cur_fwd;
int vec_count;
char *vec[3];
unsigned int directive_hash;
strlcpy(tmp, buf, sizeof(tmp));
/* Copy command (i.e. up to space or tab) into cmd */
p = buf;
q = cmd;
while (*p && (*p != ' ') && (*p != '\t'))
{
*q++ = *p++;
}
*q = '\0';
/* Skip over the whitespace in buf */
while (*p && ((*p == ' ') || (*p == '\t')))
{
p++;
}
/* Copy the argument into arg */
if (strlcpy(arg, p, sizeof(arg)) >= sizeof(arg))
{
log_error(LOG_LEVEL_FATAL, "Config line too long: %s", buf);
}
/* Should never happen, but check this anyway */
if (*cmd == '\0')
{
freez(buf);
continue;
}
/* Make sure the command field is lower case */
for (p = cmd; *p; p++)
{
if (privoxy_isupper(*p))
{
*p = (char)privoxy_tolower(*p);
}
}
directive_hash = hash_string(cmd);
switch (directive_hash)
{
/* *************************************************************************
* actionsfile actions-file-name
* In confdir by default
* *************************************************************************/
case hash_actions_file :
i = 0;
while ((i < MAX_AF_FILES) && (NULL != config->actions_file[i]))
{
i++;
}
if (i >= MAX_AF_FILES)
{
log_error(LOG_LEVEL_FATAL, "Too many 'actionsfile' directives in config file - limit is %d.\n"
"(You can increase this limit by changing MAX_AF_FILES in project.h and recompiling).",
MAX_AF_FILES);
}
config->actions_file_short[i] = strdup_or_die(arg);
config->actions_file[i] = make_path(config->confdir, arg);
break;
/* *************************************************************************
* accept-intercepted-requests
* *************************************************************************/
case hash_accept_intercepted_requests:
if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS;
}
else
{
config->feature_flags &= ~RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS;
}
break;
/* *************************************************************************
* admin-address email-address
* *************************************************************************/
case hash_admin_address :
freez(config->admin_address);
config->admin_address = strdup_or_die(arg);
break;
/* *************************************************************************
* allow-cgi-request-crunching
* *************************************************************************/
case hash_allow_cgi_request_crunching:
if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_CGI_CRUNCHING;
}
else
{
config->feature_flags &= ~RUNTIME_FEATURE_CGI_CRUNCHING;
}
break;
/* *************************************************************************
* buffer-limit n
* *************************************************************************/
case hash_buffer_limit :
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;
/* *************************************************************************
* client-specific-tag tag-name description
* *************************************************************************/
#ifdef FEATURE_CLIENT_TAGS
case hash_client_specific_tag:
{
char *name;
char *description;
name = arg;
description = strstr(arg, " ");
if (description == NULL)
{
log_error(LOG_LEVEL_FATAL,
"client-specific-tag '%s' lacks a description.", name);
}
*description = '\0';
/*
* The length is limited because we don't want truncated
* HTML caused by the cgi interface using static buffer
* sizes.
*/
if (strlen(name) > CLIENT_TAG_LENGTH_MAX)
{
log_error(LOG_LEVEL_FATAL,
"client-specific-tag '%s' is longer than %d characters.",
name, CLIENT_TAG_LENGTH_MAX);
}
description++;
register_tag(config->client_tags, name, description);
}
break;
#endif /* def FEATURE_CLIENT_TAGS */
/* *************************************************************************
* client-tag-lifetime ttl
* *************************************************************************/
#ifdef FEATURE_CLIENT_TAGS
case hash_client_tag_lifetime:
{
int ttl = parse_numeric_value(cmd, arg);
if (0 <= ttl)
{
config->client_tag_lifetime = (unsigned)ttl;
}
else
{
log_error(LOG_LEVEL_FATAL,
"client-tag-lifetime can't be negative.");
}
break;
}
#endif /* def FEATURE_CLIENT_TAGS */
/* *************************************************************************
* confdir directory-name
* *************************************************************************/
case hash_confdir :
freez(config->confdir);
config->confdir = make_path(NULL, arg);
break;
/* *************************************************************************
* compression-level 0-9
* *************************************************************************/
#ifdef FEATURE_COMPRESSION
case hash_compression_level :
{
int compression_level = parse_numeric_value(cmd, 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);
}
break;
}
#endif
/* *************************************************************************
* connection-sharing (0|1)
* *************************************************************************/
#ifdef FEATURE_CONNECTION_SHARING
case hash_connection_sharing :
if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_CONNECTION_SHARING;
}
else
{
config->feature_flags &= ~RUNTIME_FEATURE_CONNECTION_SHARING;
}
break;
#endif
/* *************************************************************************
* debug n
* Specifies debug level, multiple values are ORed together.
* *************************************************************************/
case hash_debug :
config->debug |= parse_numeric_value(cmd, arg);
break;
/* *************************************************************************
* default-server-timeout timeout
* *************************************************************************/
#ifdef FEATURE_CONNECTION_KEEP_ALIVE
case hash_default_server_timeout :
{
int timeout = parse_numeric_value(cmd, arg);
if (0 <= timeout)
{
config->default_server_timeout = (unsigned int)timeout;
}
else
{
log_error(LOG_LEVEL_FATAL,
"Invalid default-server-timeout value: %s", arg);
}
break;
}
#endif
/* *************************************************************************
* deny-access source-ip[/significant-bits] [dest-ip[/significant-bits]]
* *************************************************************************/
#ifdef FEATURE_ACL
case hash_deny_access:
strlcpy(tmp, arg, sizeof(tmp));
vec_count = ssplit(tmp, " \t", vec, SZ(vec));
if ((vec_count != 1) && (vec_count != 2))
{
log_error(LOG_LEVEL_ERROR, "Wrong number of parameters for "
"deny-access directive in configuration file.");
string_append(&config->proxy_args,
"<br>\nWARNING: Wrong number of parameters for "
"deny-access directive in configuration file.<br><br>\n");
break;
}
/* allocate a new node */
cur_acl = zalloc_or_die(sizeof(*cur_acl));
cur_acl->action = ACL_DENY;
if (acl_addr(vec[0], cur_acl->src) < 0)
{
log_error(LOG_LEVEL_ERROR, "Invalid source address, port or netmask "
"for deny-access directive in configuration file: \"%s\"", vec[0]);
string_append(&config->proxy_args,
"<br>\nWARNING: Invalid source address, port or netmask "
"for deny-access directive in configuration file: \"");
string_append(&config->proxy_args,
vec[0]);
string_append(&config->proxy_args,
"\"<br><br>\n");
freez(cur_acl);
break;
}
if (vec_count == 2)
{
if (acl_addr(vec[1], cur_acl->dst) < 0)
{
log_error(LOG_LEVEL_ERROR, "Invalid destination address, port or netmask "
"for deny-access directive in configuration file: \"%s\"", vec[1]);
string_append(&config->proxy_args,
"<br>\nWARNING: Invalid destination address, port or netmask "
"for deny-access directive in configuration file: \"");
string_append(&config->proxy_args,
vec[1]);
string_append(&config->proxy_args,
"\"<br><br>\n");
freez(cur_acl);
break;
}
}
#ifdef HAVE_RFC2553
else
{
cur_acl->wildcard_dst = 1;
}
#endif /* def HAVE_RFC2553 */
/*
* Add it to the list. Note we reverse the list to get the
* behaviour the user expects. With both the ACL and
* actions file, the last match wins. However, the internal
* implementations are different: The actions file is stored
* in the same order as the file, and scanned completely.
* With the ACL, we reverse the order as we load it, then
* when we scan it we stop as soon as we get a match.
*/
cur_acl->next = config->acl;
config->acl = cur_acl;
break;
#endif /* def FEATURE_ACL */
#if defined(FEATURE_ACCEPT_FILTER) && defined(SO_ACCEPTFILTER)
/* *************************************************************************
* enable-accept-filter 0|1
* *************************************************************************/
case hash_enable_accept_filter :
config->enable_accept_filter = parse_toggle_state(cmd, arg);
break;
#endif /* defined(FEATURE_ACCEPT_FILTER) && defined(SO_ACCEPTFILTER) */
/* *************************************************************************
* enable-edit-actions 0|1
* *************************************************************************/
#ifdef FEATURE_CGI_EDIT_ACTIONS
case hash_enable_edit_actions: