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) 2007-2016, The Tor Project, Inc. */
5 /* See LICENSE for licensing information */
9 * \brief Header file for dirserv.c.
15 #include "testsupport.h"
17 /** What fraction (1 over this number) of the relay ID space do we
18 * (as a directory authority) launch connections to at each reachability
20 #define REACHABILITY_MODULO_PER_TEST 128
22 /** How often (in seconds) do we launch reachability tests? */
23 #define REACHABILITY_TEST_INTERVAL 10
25 /** How many seconds apart are the reachability tests for a given relay? */
26 #define REACHABILITY_TEST_CYCLE_PERIOD \
27 (REACHABILITY_TEST_INTERVAL*REACHABILITY_MODULO_PER_TEST)
29 /** Maximum length of an exit policy summary. */
30 #define MAX_EXITPOLICY_SUMMARY_LEN 1000
32 /** Maximum allowable length of a version line in a networkstatus. */
33 #define MAX_V_LINE_LEN 128
35 int connection_dirserv_flushed_some(dir_connection_t
*conn
);
37 int dirserv_add_own_fingerprint(crypto_pk_t
*pk
);
38 int dirserv_load_fingerprint_file(void);
39 void dirserv_free_fingerprint_list(void);
40 enum was_router_added_t
dirserv_add_multiple_descriptors(
41 const char *desc
, uint8_t purpose
,
44 enum was_router_added_t
dirserv_add_descriptor(routerinfo_t
*ri
,
47 void dirserv_set_router_is_running(routerinfo_t
*router
, time_t now
);
48 int list_server_status_v1(smartlist_t
*routers
, char **router_status_out
,
50 char *dirserv_get_flag_thresholds_line(void);
51 void dirserv_compute_bridge_flag_thresholds(void);
53 int directory_fetches_from_authorities(const or_options_t
*options
);
54 int directory_fetches_dir_info_early(const or_options_t
*options
);
55 int directory_fetches_dir_info_later(const or_options_t
*options
);
56 int directory_caches_unknown_auth_certs(const or_options_t
*options
);
57 int directory_caches_dir_info(const or_options_t
*options
);
58 int directory_permits_begindir_requests(const or_options_t
*options
);
59 int directory_too_idle_to_fetch_descriptors(const or_options_t
*options
,
62 cached_dir_t
*dirserv_get_consensus(const char *flavor_name
);
63 void dirserv_set_cached_consensus_networkstatus(const char *consensus
,
64 const char *flavor_name
,
65 const common_digests_t
*digests
,
67 void dirserv_clear_old_networkstatuses(time_t cutoff
);
68 int dirserv_get_routerdesc_fingerprints(smartlist_t
*fps_out
, const char *key
,
70 int for_unencrypted_conn
,
72 int dirserv_get_routerdescs(smartlist_t
*descs_out
, const char *key
,
74 void dirserv_orconn_tls_done(const tor_addr_t
*addr
,
76 const char *digest_rcvd
);
77 int dirserv_should_launch_reachability_test(const routerinfo_t
*ri
,
78 const routerinfo_t
*ri_old
);
79 void dirserv_single_reachability_test(time_t now
, routerinfo_t
*router
);
80 void dirserv_test_reachability(time_t now
);
81 int authdir_wants_to_reject_router(routerinfo_t
*ri
, const char **msg
,
84 uint32_t dirserv_router_get_status(const routerinfo_t
*router
,
87 void dirserv_set_node_flags_from_authoritative_status(node_t
*node
,
90 int dirserv_would_reject_router(const routerstatus_t
*rs
);
91 int dirserv_remove_old_statuses(smartlist_t
*fps
, time_t cutoff
);
92 int dirserv_have_any_serverdesc(smartlist_t
*fps
, int spool_src
);
93 int dirserv_have_any_microdesc(const smartlist_t
*fps
);
94 size_t dirserv_estimate_data_size(smartlist_t
*fps
, int is_serverdescs
,
96 size_t dirserv_estimate_microdesc_size(const smartlist_t
*fps
, int compressed
);
98 char *routerstatus_format_entry(
99 const routerstatus_t
*rs
,
101 const char *protocols
,
102 routerstatus_format_type_t format
,
103 const vote_routerstatus_t
*vrs
);
104 void dirserv_free_all(void);
105 void cached_dir_decref(cached_dir_t
*d
);
106 cached_dir_t
*new_cached_dir(char *s
, time_t published
);
108 int validate_recommended_package_line(const char *line
);
110 #ifdef DIRSERV_PRIVATE
112 STATIC
void dirserv_set_routerstatus_testing(routerstatus_t
*rs
);
114 /* Put the MAX_MEASUREMENT_AGE #define here so unit tests can see it */
115 #define MAX_MEASUREMENT_AGE (3*24*60*60) /* 3 days */
117 STATIC
int measured_bw_line_parse(measured_bw_line_t
*out
, const char *line
);
119 STATIC
int measured_bw_line_apply(measured_bw_line_t
*parsed_line
,
120 smartlist_t
*routerstatuses
);
122 STATIC
void dirserv_cache_measured_bw(const measured_bw_line_t
*parsed_line
,
124 STATIC
void dirserv_clear_measured_bw_cache(void);
125 STATIC
void dirserv_expire_measured_bw_cache(time_t now
);
126 STATIC
int dirserv_get_measured_bw_cache_size(void);
127 STATIC
int dirserv_query_measured_bw_cache_kb(const char *node_id
,
130 STATIC
int dirserv_has_measured_bw(const char *node_id
);
133 dirserv_read_guardfraction_file_from_str(const char *guardfraction_file_str
,
134 smartlist_t
*vote_routerstatuses
);
137 int dirserv_read_measured_bandwidths(const char *from_file
,
138 smartlist_t
*routerstatuses
);
140 int dirserv_read_guardfraction_file(const char *fname
,
141 smartlist_t
*vote_routerstatuses
);