-const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.110 2010/07/21 14:29:59 fabiankeil Exp $";
+const char loadcfg_rcs[] = "$Id: loadcfg.c,v 1.123 2012/03/04 11:49:24 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/loadcfg.c,v $
#endif
+#include "project.h"
#include "loadcfg.h"
#include "list.h"
#include "jcc.h"
const char loadcfg_h_rcs[] = LOADCFG_H_VERSION;
-/*
- * Fix a problem with Solaris. There should be no effect on other
- * platforms.
- * Solaris's isspace() is a macro which uses it's argument directly
- * as an array index. Therefore we need to make sure that high-bit
- * characters generate +ve values, and ideally we also want to make
- * the argument match the declared parameter type of "int".
- */
-#define ijb_isupper(__X) isupper((int)(unsigned char)(__X))
-#define ijb_tolower(__X) tolower((int)(unsigned char)(__X))
-
#ifdef FEATURE_TOGGLE
/* Privoxy is enabled by default. */
int global_toggle_state = 1;
* console and GUI specific options last).
*/
-#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_connection_sharing 1348841265ul /* "connection-sharing" */
-#define hash_debug 78263ul /* "debug" */
-#define hash_default_server_timeout 2530089913ul /* "default-server-timeout" */
-#define hash_deny_access 1227333715ul /* "deny-access" */
-#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_handle_as_empty_returns_ok 1444873247ul /* "handle-as-empty-doc-returns-ok" */
-#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_max_client_connections 3595884446ul /* "max-client-connections" */
-#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" */
-#define hash_toggle 447966ul /* "toggle" */
-#define hash_trust_info_url 430331967ul /* "trust-info-url" */
-#define hash_trustfile 56494766ul /* "trustfile" */
-#define hash_usermanual 1416668518ul /* "user-manual" */
-#define hash_activity_animation 1817904738ul /* "activity-animation" */
-#define hash_close_button_minimizes 3651284693ul /* "close-button-minimizes" */
-#define hash_hide_console 2048809870ul /* "hide-console" */
-#define hash_log_buffer_size 2918070425ul /* "log-buffer-size" */
-#define hash_log_font_name 2866730124ul /* "log-font-name" */
-#define hash_log_font_size 2866731014ul /* "log-font-size" */
-#define hash_log_highlight_messages 4032101240ul /* "log-highlight-messages" */
-#define hash_log_max_lines 2868344173ul /* "log-max-lines" */
-#define hash_log_messages 2291744899ul /* "log-messages" */
-#define hash_show_on_task_bar 215410365ul /* "show-on-task-bar" */
+#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_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_edit_actions 2517097536U /* "enable-edit-actions" */
+#define hash_enable_compression 3943696946U /* "enable-compression" */
+#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_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_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_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_toggle 447966U /* "toggle" */
+#define hash_trust_info_url 430331967U /* "trust-info-url" */
+#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);
freez(config->templdir);
freez(config->hostname);
- freez(config->haddr);
+ for (i = 0; i < MAX_LISTENING_SOCKETS; i++)
+ {
+ freez(config->haddr[i]);
+ }
freez(config->logfile);
for (i = 0; i < MAX_AF_FILES; i++)
#endif
+/*********************************************************************
+ *
+ * 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 : load_config
*********************************************************************/
struct configuration_spec * load_config(void)
{
- char buf[BUFFER_SIZE];
+ char *buf = NULL;
char *p, *q;
FILE *configfp = NULL;
struct configuration_spec * config = NULL;
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;
+#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
configfp = fopen(configfile, "r");
if (NULL == configfp)
/* Never get here - LOG_LEVEL_FATAL causes program exit */
}
- while (read_config_line(buf, sizeof(buf), configfp, &linenum) != NULL)
+ while (read_config_line(configfp, &linenum, &buf) != NULL)
{
char cmd[BUFFER_SIZE];
char arg[BUFFER_SIZE];
struct forward_spec *cur_fwd;
int vec_count;
char *vec[3];
- unsigned long directive_hash;
+ unsigned int directive_hash;
strlcpy(tmp, buf, sizeof(tmp));
}
/* Copy the argument into arg */
- strlcpy(arg, p, sizeof(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 (ijb_isupper(*p))
+ if (privoxy_isupper(*p))
{
- *p = (char)ijb_tolower(*p);
+ *p = (char)privoxy_tolower(*p);
}
}
* accept-intercepted-requests
* *************************************************************************/
case hash_accept_intercepted_requests:
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_ACCEPT_INTERCEPTED_REQUESTS;
}
* allow-cgi-request-crunching
* *************************************************************************/
case hash_allow_cgi_request_crunching:
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_CGI_CRUNCHING;
}
config->confdir = make_path( NULL, arg);
break;
+/* *************************************************************************
+ * compression-level 0-9
+ * *************************************************************************/
+#ifdef FEATURE_COMPRESSION
+ case hash_compression_level :
+ if (*arg != '\0')
+ {
+ 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);
+ }
+ }
+ else
+ {
+ log_error(LOG_LEVEL_FATAL,
+ "Invalid compression-level directive. Compression value missing");
+ }
+ break;
+#endif
+
/* *************************************************************************
* connection-sharing (0|1)
* *************************************************************************/
#ifdef FEATURE_CONNECTION_SHARING
case hash_connection_sharing :
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_CONNECTION_SHARING;
}
* *************************************************************************/
#ifdef FEATURE_CGI_EDIT_ACTIONS
case hash_enable_edit_actions:
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_CGI_EDIT_ACTIONS;
}
break;
#endif /* def FEATURE_CGI_EDIT_ACTIONS */
+/* *************************************************************************
+ * enable-compression 0|1
+ * *************************************************************************/
+#ifdef FEATURE_COMPRESSION
+ case hash_enable_compression:
+ if (parse_toggle_state(cmd, arg) == 1)
+ {
+ config->feature_flags |= RUNTIME_FEATURE_COMPRESSION;
+ }
+ else
+ {
+ config->feature_flags &= ~RUNTIME_FEATURE_COMPRESSION;
+ }
+ break;
+#endif /* def FEATURE_COMPRESSION */
+
+
/* *************************************************************************
* enable-remote-toggle 0|1
* *************************************************************************/
#ifdef FEATURE_TOGGLE
case hash_enable_remote_toggle:
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_CGI_TOGGLE;
}
* enable-remote-http-toggle 0|1
* *************************************************************************/
case hash_enable_remote_http_toggle:
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_HTTP_TOGGLE;
}
* *************************************************************************/
case hash_enforce_blocks:
#ifdef FEATURE_FORCE_LOAD
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_ENFORCE_BLOCKS;
}
* to the browser for blocked pages.
***************************************************************************/
case hash_handle_as_empty_returns_ok:
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK;
}
* listen-address [ip][:port]
* *************************************************************************/
case hash_listen_address :
- freez(config->haddr);
- config->haddr = strdup(arg);
+ i = 0;
+ while ((i < MAX_LISTENING_SOCKETS) && (NULL != config->haddr[i]))
+ {
+ i++;
+ }
+
+ if (i >= MAX_LISTENING_SOCKETS)
+ {
+ log_error(LOG_LEVEL_FATAL, "Too many 'listen-address' directives in config file - limit is %d.\n"
+ "(You can increase this limit by changing MAX_LISTENING_SOCKETS in project.h and recompiling).",
+ MAX_LISTENING_SOCKETS);
+ }
+ config->haddr[i] = strdup(arg);
+ if (NULL == config->haddr[i])
+ {
+ log_error(LOG_LEVEL_FATAL, "Out of memory while copying listening address");
+ }
break;
/* *************************************************************************
* split-large-cgi-forms
* *************************************************************************/
case hash_split_large_cgi_forms :
- if ((*arg != '\0') && (0 != atoi(arg)))
+ if (parse_toggle_state(cmd, arg) == 1)
{
config->feature_flags |= RUNTIME_FEATURE_SPLIT_LARGE_FORMS;
}
/* Save the argument for the show-status page. */
savearg(cmd, arg, config);
-
+ freez(buf);
} /* end while ( read_config_line(...) ) */
fclose(configfp);
log_error(LOG_LEVEL_FATAL, "Out of memory loading config - insufficient memory for config->proxy_args");
}
- if (config->actions_file[0])
+ if (config->re_filterfile[0])
{
- add_loader(load_action_files, config);
+ add_loader(load_re_filterfiles, config);
}
- if (config->re_filterfile[0])
+ if (config->actions_file[0])
{
- add_loader(load_re_filterfiles, config);
+ add_loader(load_action_files, config);
}
#ifdef FEATURE_TRUST
}
#endif /* def FEATURE_TRUST */
- if ( NULL == config->haddr )
+ if ( NULL == config->haddr[0] )
{
- config->haddr = strdup( HADDR_DEFAULT );
+ config->haddr[0] = strdup( HADDR_DEFAULT );
+ if (NULL == config->haddr[0])
+ {
+ log_error(LOG_LEVEL_FATAL, "Out of memory while copying default listening address");
+ }
}
- if ( NULL != config->haddr )
+ for (i = 0; i < MAX_LISTENING_SOCKETS && NULL != config->haddr[i]; i++)
{
- if ((*config->haddr == '[')
- && (NULL != (p = strchr(config->haddr, ']')))
+ if ((*config->haddr[i] == '[')
+ && (NULL != (p = strchr(config->haddr[i], ']')))
&& (p[1] == ':')
- && (0 < (config->hport = atoi(p + 2))))
+ && (0 < (config->hport[i] = atoi(p + 2))))
{
*p = '\0';
- memmove((void *)config->haddr, config->haddr + 1,
- (size_t)(p - config->haddr));
+ memmove((void *)config->haddr[i], config->haddr[i] + 1,
+ (size_t)(p - config->haddr[i]));
}
- else if (NULL != (p = strchr(config->haddr, ':'))
- && (0 < (config->hport = atoi(p + 1))))
+ else if (NULL != (p = strchr(config->haddr[i], ':'))
+ && (0 < (config->hport[i] = atoi(p + 1))))
{
*p = '\0';
}
else
{
- log_error(LOG_LEVEL_FATAL, "invalid bind port spec %s", config->haddr);
+ log_error(LOG_LEVEL_FATAL, "invalid bind port spec %s", config->haddr[i]);
/* Never get here - LOG_LEVEL_FATAL causes program exit */
}
- if (*config->haddr == '\0')
+ if (*config->haddr[i] == '\0')
{
/*
- * Only the port specified. We stored it in config->hport
+ * Only the port specified. We stored it in config->hport[i]
* and don't need its text representation anymore.
+ * Use config->hport[i] == 0 to iterate listening addresses since
+ * now.
*/
- freez(config->haddr);
+ freez(config->haddr[i]);
}
}
struct configuration_spec * oldcfg = (struct configuration_spec *)
current_configfile->f;
/*
- * Check if config->haddr,hport == oldcfg->haddr,hport
+ * Check if config->haddr[i],hport[i] == oldcfg->haddr[i],hport[i]
*
* The following could be written more compactly as a single,
* (unreadably long) if statement.
*/
config->need_bind = 0;
- if (config->hport != oldcfg->hport)
- {
- config->need_bind = 1;
- }
- else if (config->haddr == NULL)
+
+ for (i = 0; i < MAX_LISTENING_SOCKETS; i++)
{
- if (oldcfg->haddr != NULL)
+ if (config->hport[i] != oldcfg->hport[i])
+ {
+ config->need_bind = 1;
+ }
+ else if (config->haddr[i] == NULL)
+ {
+ if (oldcfg->haddr[i] != NULL)
+ {
+ config->need_bind = 1;
+ }
+ }
+ else if (oldcfg->haddr[i] == NULL)
+ {
+ config->need_bind = 1;
+ }
+ else if (0 != strcmp(config->haddr[i], oldcfg->haddr[i]))
{
config->need_bind = 1;
}
- }
- else if (oldcfg->haddr == NULL)
- {
- config->need_bind = 1;
- }
- else if (0 != strcmp(config->haddr, oldcfg->haddr))
- {
- config->need_bind = 1;
}
current_configfile->unloader = unload_configfile;