tor/src/or/config.h
Nick Mathewson ef31c8862f Add changes file for 18448; refactor
(I've made it so FreeBSD || FreeBSD_kernel is enough to ensure that
we think you might have ipfw, and so that the logic is all in one
place.)
2016-03-11 10:05:28 -05:00

190 lines
8.1 KiB
C

/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2016, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file config.h
* \brief Header file for config.c.
**/
#ifndef TOR_CONFIG_H
#define TOR_CONFIG_H
#include "testsupport.h"
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(DARWIN)
#define KERNEL_MAY_SUPPORT_IPFW
#endif
MOCK_DECL(const char*, get_dirportfrontpage, (void));
MOCK_DECL(const or_options_t *, get_options, (void));
MOCK_DECL(or_options_t *, get_options_mutable, (void));
int set_options(or_options_t *new_val, char **msg);
void config_free_all(void);
const char *safe_str_client(const char *address);
const char *safe_str(const char *address);
const char *escaped_safe_str_client(const char *address);
const char *escaped_safe_str(const char *address);
const char *get_version(void);
const char *get_short_version(void);
setopt_err_t options_trial_assign(config_line_t *list, int use_defaults,
int clear_first, char **msg);
uint32_t get_last_resolved_addr(void);
void reset_last_resolved_addr(void);
int resolve_my_address(int warn_severity, const or_options_t *options,
uint32_t *addr_out,
const char **method_out, char **hostname_out);
MOCK_DECL(int, is_local_addr, (const tor_addr_t *addr));
void options_init(or_options_t *options);
#define OPTIONS_DUMP_MINIMAL 1
#define OPTIONS_DUMP_DEFAULTS 2
#define OPTIONS_DUMP_ALL 3
char *options_dump(const or_options_t *options, int how_to_dump);
int options_init_from_torrc(int argc, char **argv);
setopt_err_t options_init_from_string(const char *cf_defaults, const char *cf,
int command, const char *command_arg, char **msg);
int option_is_recognized(const char *key);
const char *option_get_canonical_name(const char *key);
config_line_t *option_get_assignment(const or_options_t *options,
const char *key);
int options_save_current(void);
const char *get_torrc_fname(int defaults_fname);
char *options_get_datadir_fname2_suffix(const or_options_t *options,
const char *sub1, const char *sub2,
const char *suffix);
#define get_datadir_fname2_suffix(sub1, sub2, suffix) \
options_get_datadir_fname2_suffix(get_options(), (sub1), (sub2), (suffix))
/** Return a newly allocated string containing datadir/sub1. See
* get_datadir_fname2_suffix. */
#define get_datadir_fname(sub1) get_datadir_fname2_suffix((sub1), NULL, NULL)
/** Return a newly allocated string containing datadir/sub1/sub2. See
* get_datadir_fname2_suffix. */
#define get_datadir_fname2(sub1,sub2) \
get_datadir_fname2_suffix((sub1), (sub2), NULL)
/** Return a newly allocated string containing datadir/sub1/sub2 relative to
* opts. See get_datadir_fname2_suffix. */
#define options_get_datadir_fname2(opts,sub1,sub2) \
options_get_datadir_fname2_suffix((opts),(sub1), (sub2), NULL)
/** Return a newly allocated string containing datadir/sub1suffix. See
* get_datadir_fname2_suffix. */
#define get_datadir_fname_suffix(sub1, suffix) \
get_datadir_fname2_suffix((sub1), NULL, (suffix))
int check_or_create_data_subdir(const char *subdir);
int write_to_data_subdir(const char* subdir, const char* fname,
const char* str, const char* descr);
int get_num_cpus(const or_options_t *options);
MOCK_DECL(const smartlist_t *,get_configured_ports,(void));
int get_first_advertised_port_by_type_af(int listener_type,
int address_family);
#define get_primary_or_port() \
(get_first_advertised_port_by_type_af(CONN_TYPE_OR_LISTENER, AF_INET))
#define get_primary_dir_port() \
(get_first_advertised_port_by_type_af(CONN_TYPE_DIR_LISTENER, AF_INET))
char *get_first_listener_addrport_string(int listener_type);
int options_need_geoip_info(const or_options_t *options,
const char **reason_out);
smartlist_t *get_list_of_ports_to_forward(void);
int getinfo_helper_config(control_connection_t *conn,
const char *question, char **answer,
const char **errmsg);
uint32_t get_effective_bwrate(const or_options_t *options);
uint32_t get_effective_bwburst(const or_options_t *options);
char *get_transport_bindaddr_from_config(const char *transport);
int init_cookie_authentication(const char *fname, const char *header,
int cookie_len, int group_readable,
uint8_t **cookie_out, int *cookie_is_set_out);
or_options_t *options_new(void);
int config_parse_commandline(int argc, char **argv, int ignore_errors,
config_line_t **result,
config_line_t **cmdline_result);
void config_register_addressmaps(const or_options_t *options);
/* XXXX024 move to connection_edge.h */
int addressmap_register_auto(const char *from, const char *to,
time_t expires,
addressmap_entry_source_t addrmap_source,
const char **msg);
int config_parse_unix_port(const char *addrport, char **path_out);
/** Represents the information stored in a torrc Bridge line. */
typedef struct bridge_line_t {
tor_addr_t addr; /* The IP address of the bridge. */
uint16_t port; /* The TCP port of the bridge. */
char *transport_name; /* The name of the pluggable transport that
should be used to connect to the bridge. */
char digest[DIGEST_LEN]; /* The bridge's identity key digest. */
smartlist_t *socks_args; /* SOCKS arguments for the pluggable
transport proxy. */
} bridge_line_t;
void bridge_line_free(bridge_line_t *bridge_line);
bridge_line_t *parse_bridge_line(const char *line);
smartlist_t *get_options_from_transport_options_line(const char *line,
const char *transport);
smartlist_t *get_options_for_server_transport(const char *transport);
#ifdef CONFIG_PRIVATE
#define CL_PORT_NO_STREAM_OPTIONS (1u<<0)
#define CL_PORT_WARN_NONLOCAL (1u<<1)
#define CL_PORT_ALLOW_EXTRA_LISTENADDR (1u<<2)
#define CL_PORT_SERVER_OPTIONS (1u<<3)
#define CL_PORT_FORBID_NONLOCAL (1u<<4)
#define CL_PORT_TAKES_HOSTNAMES (1u<<5)
#define CL_PORT_IS_UNIXSOCKET (1u<<6)
#define CL_PORT_DFLT_GROUP_WRITABLE (1u<<7)
STATIC int options_act(const or_options_t *old_options);
#ifdef TOR_UNIT_TESTS
extern struct config_format_t options_format;
#endif
STATIC port_cfg_t *port_cfg_new(size_t namelen);
STATIC void port_cfg_free(port_cfg_t *port);
STATIC void or_options_free(or_options_t *options);
STATIC int options_validate(or_options_t *old_options,
or_options_t *options,
or_options_t *default_options,
int from_setconf, char **msg);
STATIC int parse_transport_line(const or_options_t *options,
const char *line, int validate_only,
int server);
STATIC int consider_adding_dir_servers(const or_options_t *options,
const or_options_t *old_options);
STATIC void add_default_trusted_dir_authorities(dirinfo_type_t type);
MOCK_DECL(STATIC void, add_default_fallback_dir_servers, (void));
STATIC int parse_dir_authority_line(const char *line,
dirinfo_type_t required_type,
int validate_only);
STATIC int parse_dir_fallback_line(const char *line, int validate_only);
STATIC int have_enough_mem_for_dircache(const or_options_t *options,
size_t total_mem, char **msg);
STATIC int parse_port_config(smartlist_t *out,
const config_line_t *ports,
const config_line_t *listenaddrs,
const char *portname,
int listener_type,
const char *defaultaddr,
int defaultport,
const unsigned flags);
#endif
#endif