config.h 9.1 KB

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  1. /* Copyright (c) 2001 Matej Pfajfar.
  2. * Copyright (c) 2001-2004, Roger Dingledine.
  3. * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
  4. * Copyright (c) 2007-2017, The Tor Project, Inc. */
  5. /* See LICENSE for licensing information */
  6. /**
  7. * \file config.h
  8. * \brief Header file for config.c.
  9. **/
  10. #ifndef TOR_CONFIG_H
  11. #define TOR_CONFIG_H
  12. #include "testsupport.h"
  13. #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(DARWIN)
  14. #define KERNEL_MAY_SUPPORT_IPFW
  15. #endif
  16. /** Lowest allowable value for HeartbeatPeriod; if this is too low, we might
  17. * expose more information than we're comfortable with. */
  18. #define MIN_HEARTBEAT_PERIOD (30*60)
  19. MOCK_DECL(const char*, get_dirportfrontpage, (void));
  20. MOCK_DECL(const or_options_t *, get_options, (void));
  21. MOCK_DECL(or_options_t *, get_options_mutable, (void));
  22. int set_options(or_options_t *new_val, char **msg);
  23. void config_free_all(void);
  24. const char *safe_str_client(const char *address);
  25. const char *safe_str(const char *address);
  26. const char *escaped_safe_str_client(const char *address);
  27. const char *escaped_safe_str(const char *address);
  28. int get_protocol_warning_severity_level(void);
  29. const char *get_version(void);
  30. const char *get_short_version(void);
  31. setopt_err_t options_trial_assign(config_line_t *list, unsigned flags,
  32. char **msg);
  33. uint32_t get_last_resolved_addr(void);
  34. void reset_last_resolved_addr(void);
  35. int resolve_my_address(int warn_severity, const or_options_t *options,
  36. uint32_t *addr_out,
  37. const char **method_out, char **hostname_out);
  38. MOCK_DECL(int, is_local_addr, (const tor_addr_t *addr));
  39. void options_init(or_options_t *options);
  40. #define OPTIONS_DUMP_MINIMAL 1
  41. #define OPTIONS_DUMP_DEFAULTS 2
  42. #define OPTIONS_DUMP_ALL 3
  43. char *options_dump(const or_options_t *options, int how_to_dump);
  44. int options_init_from_torrc(int argc, char **argv);
  45. setopt_err_t options_init_from_string(const char *cf_defaults, const char *cf,
  46. int command, const char *command_arg, char **msg);
  47. int option_is_recognized(const char *key);
  48. const char *option_get_canonical_name(const char *key);
  49. config_line_t *option_get_assignment(const or_options_t *options,
  50. const char *key);
  51. int options_save_current(void);
  52. const char *get_torrc_fname(int defaults_fname);
  53. MOCK_DECL(char *,
  54. options_get_datadir_fname2_suffix,
  55. (const or_options_t *options,
  56. const char *sub1, const char *sub2,
  57. const char *suffix));
  58. #define get_datadir_fname2_suffix(sub1, sub2, suffix) \
  59. options_get_datadir_fname2_suffix(get_options(), (sub1), (sub2), (suffix))
  60. /** Return a newly allocated string containing datadir/sub1. See
  61. * get_datadir_fname2_suffix. */
  62. #define get_datadir_fname(sub1) get_datadir_fname2_suffix((sub1), NULL, NULL)
  63. /** Return a newly allocated string containing datadir/sub1/sub2. See
  64. * get_datadir_fname2_suffix. */
  65. #define get_datadir_fname2(sub1,sub2) \
  66. get_datadir_fname2_suffix((sub1), (sub2), NULL)
  67. /** Return a newly allocated string containing datadir/sub1/sub2 relative to
  68. * opts. See get_datadir_fname2_suffix. */
  69. #define options_get_datadir_fname2(opts,sub1,sub2) \
  70. options_get_datadir_fname2_suffix((opts),(sub1), (sub2), NULL)
  71. /** Return a newly allocated string containing datadir/sub1suffix. See
  72. * get_datadir_fname2_suffix. */
  73. #define get_datadir_fname_suffix(sub1, suffix) \
  74. get_datadir_fname2_suffix((sub1), NULL, (suffix))
  75. int using_default_dir_authorities(const or_options_t *options);
  76. int check_or_create_data_subdir(const char *subdir);
  77. int write_to_data_subdir(const char* subdir, const char* fname,
  78. const char* str, const char* descr);
  79. int get_num_cpus(const or_options_t *options);
  80. MOCK_DECL(const smartlist_t *,get_configured_ports,(void));
  81. int get_first_advertised_port_by_type_af(int listener_type,
  82. int address_family);
  83. #define get_primary_or_port() \
  84. (get_first_advertised_port_by_type_af(CONN_TYPE_OR_LISTENER, AF_INET))
  85. #define get_primary_dir_port() \
  86. (get_first_advertised_port_by_type_af(CONN_TYPE_DIR_LISTENER, AF_INET))
  87. const tor_addr_t *get_first_advertised_addr_by_type_af(int listener_type,
  88. int address_family);
  89. int port_exists_by_type_addr_port(int listener_type, const tor_addr_t *addr,
  90. int port, int check_wildcard);
  91. int port_exists_by_type_addr32h_port(int listener_type, uint32_t addr_ipv4h,
  92. int port, int check_wildcard);
  93. char *get_first_listener_addrport_string(int listener_type);
  94. int options_need_geoip_info(const or_options_t *options,
  95. const char **reason_out);
  96. smartlist_t *get_list_of_ports_to_forward(void);
  97. int getinfo_helper_config(control_connection_t *conn,
  98. const char *question, char **answer,
  99. const char **errmsg);
  100. uint32_t get_effective_bwrate(const or_options_t *options);
  101. uint32_t get_effective_bwburst(const or_options_t *options);
  102. char *get_transport_bindaddr_from_config(const char *transport);
  103. int init_cookie_authentication(const char *fname, const char *header,
  104. int cookie_len, int group_readable,
  105. uint8_t **cookie_out, int *cookie_is_set_out);
  106. or_options_t *options_new(void);
  107. int config_parse_commandline(int argc, char **argv, int ignore_errors,
  108. config_line_t **result,
  109. config_line_t **cmdline_result);
  110. void config_register_addressmaps(const or_options_t *options);
  111. /* XXXX move to connection_edge.h */
  112. int addressmap_register_auto(const char *from, const char *to,
  113. time_t expires,
  114. addressmap_entry_source_t addrmap_source,
  115. const char **msg);
  116. int port_cfg_line_extract_addrport(const char *line,
  117. char **addrport_out,
  118. int *is_unix_out,
  119. const char **rest_out);
  120. /** Represents the information stored in a torrc Bridge line. */
  121. typedef struct bridge_line_t {
  122. tor_addr_t addr; /* The IP address of the bridge. */
  123. uint16_t port; /* The TCP port of the bridge. */
  124. char *transport_name; /* The name of the pluggable transport that
  125. should be used to connect to the bridge. */
  126. char digest[DIGEST_LEN]; /* The bridge's identity key digest. */
  127. smartlist_t *socks_args; /* SOCKS arguments for the pluggable
  128. transport proxy. */
  129. } bridge_line_t;
  130. void bridge_line_free(bridge_line_t *bridge_line);
  131. bridge_line_t *parse_bridge_line(const char *line);
  132. smartlist_t *get_options_from_transport_options_line(const char *line,
  133. const char *transport);
  134. smartlist_t *get_options_for_server_transport(const char *transport);
  135. #ifdef CONFIG_PRIVATE
  136. #define CL_PORT_NO_STREAM_OPTIONS (1u<<0)
  137. #define CL_PORT_WARN_NONLOCAL (1u<<1)
  138. /* Was CL_PORT_ALLOW_EXTRA_LISTENADDR (1u<<2) */
  139. #define CL_PORT_SERVER_OPTIONS (1u<<3)
  140. #define CL_PORT_FORBID_NONLOCAL (1u<<4)
  141. #define CL_PORT_TAKES_HOSTNAMES (1u<<5)
  142. #define CL_PORT_IS_UNIXSOCKET (1u<<6)
  143. #define CL_PORT_DFLT_GROUP_WRITABLE (1u<<7)
  144. STATIC int options_act(const or_options_t *old_options);
  145. #ifdef TOR_UNIT_TESTS
  146. extern struct config_format_t options_format;
  147. #endif
  148. STATIC port_cfg_t *port_cfg_new(size_t namelen);
  149. STATIC void port_cfg_free(port_cfg_t *port);
  150. STATIC void or_options_free(or_options_t *options);
  151. STATIC int options_validate_single_onion(or_options_t *options,
  152. char **msg);
  153. STATIC int options_validate(or_options_t *old_options,
  154. or_options_t *options,
  155. or_options_t *default_options,
  156. int from_setconf, char **msg);
  157. STATIC int parse_transport_line(const or_options_t *options,
  158. const char *line, int validate_only,
  159. int server);
  160. STATIC int consider_adding_dir_servers(const or_options_t *options,
  161. const or_options_t *old_options);
  162. STATIC void add_default_trusted_dir_authorities(dirinfo_type_t type);
  163. MOCK_DECL(STATIC void, add_default_fallback_dir_servers, (void));
  164. STATIC int parse_dir_authority_line(const char *line,
  165. dirinfo_type_t required_type,
  166. int validate_only);
  167. STATIC int parse_dir_fallback_line(const char *line, int validate_only);
  168. STATIC int have_enough_mem_for_dircache(const or_options_t *options,
  169. size_t total_mem, char **msg);
  170. STATIC int parse_port_config(smartlist_t *out,
  171. const config_line_t *ports,
  172. const char *portname,
  173. int listener_type,
  174. const char *defaultaddr,
  175. int defaultport,
  176. const unsigned flags);
  177. STATIC int check_bridge_distribution_setting(const char *bd);
  178. #endif /* defined(CONFIG_PRIVATE) */
  179. #endif /* !defined(TOR_CONFIG_H) */