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Diffstat (limited to 'src/or/dirserv.h')
-rw-r--r-- | src/or/dirserv.h | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/or/dirserv.h b/src/or/dirserv.h deleted file mode 100644 index 3b4a646094..0000000000 --- a/src/or/dirserv.h +++ /dev/null @@ -1,239 +0,0 @@ -/* Copyright (c) 2001 Matej Pfajfar. - * Copyright (c) 2001-2004, Roger Dingledine. - * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2018, The Tor Project, Inc. */ -/* See LICENSE for licensing information */ - -/** - * \file dirserv.h - * \brief Header file for dirserv.c. - **/ - -#ifndef TOR_DIRSERV_H -#define TOR_DIRSERV_H - -struct ed25519_public_key_t; - -#include "lib/testsupport/testsupport.h" - -/** An enum to describe what format we're generating a routerstatus line in. - */ -typedef enum { - /** For use in a v2 opinion */ - NS_V2, - /** For use in a consensus networkstatus document (ns flavor) */ - NS_V3_CONSENSUS, - /** For use in a vote networkstatus document */ - NS_V3_VOTE, - /** For passing to the controlport in response to a GETINFO request */ - NS_CONTROL_PORT, - /** For use in a consensus networkstatus document (microdesc flavor) */ - NS_V3_CONSENSUS_MICRODESC -} routerstatus_format_type_t; - -/** What fraction (1 over this number) of the relay ID space do we - * (as a directory authority) launch connections to at each reachability - * test? */ -#define REACHABILITY_MODULO_PER_TEST 128 - -/** How often (in seconds) do we launch reachability tests? */ -#define REACHABILITY_TEST_INTERVAL 10 - -/** How many seconds apart are the reachability tests for a given relay? */ -#define REACHABILITY_TEST_CYCLE_PERIOD \ - (REACHABILITY_TEST_INTERVAL*REACHABILITY_MODULO_PER_TEST) - -/** Maximum length of an exit policy summary. */ -#define MAX_EXITPOLICY_SUMMARY_LEN 1000 - -/** Maximum allowable length of a version line in a networkstatus. */ -#define MAX_V_LINE_LEN 128 - -/** Ways to convert a spoolable_resource_t to a bunch of bytes. */ -typedef enum dir_spool_source_t { - DIR_SPOOL_SERVER_BY_DIGEST=1, DIR_SPOOL_SERVER_BY_FP, - DIR_SPOOL_EXTRA_BY_DIGEST, DIR_SPOOL_EXTRA_BY_FP, - DIR_SPOOL_MICRODESC, - DIR_SPOOL_NETWORKSTATUS, - DIR_SPOOL_CONSENSUS_CACHE_ENTRY, -} dir_spool_source_t; -#define dir_spool_source_bitfield_t ENUM_BF(dir_spool_source_t) - -/** Object to remember the identity of an object that we are spooling, - * or about to spool, in response to a directory request. - * - * (Why do we spool? Because some directory responses are very large, - * and we don't want to just shove the complete answer into the output - * buffer: that would take a ridiculous amount of RAM.) - * - * If the spooled resource is relatively small (like microdescriptors, - * descriptors, etc), we look them up by ID as needed, and add the whole - * thing onto the output buffer at once. If the spooled reseource is - * big (like networkstatus documents), we reference-count it, and add it - * a few K at a time. - */ -typedef struct spooled_resource_t { - /** - * If true, we add the entire object to the outbuf. If false, - * we spool the object a few K at a time. - */ - unsigned spool_eagerly : 1; - /** - * Tells us what kind of object to get, and how to look it up. - */ - dir_spool_source_bitfield_t spool_source : 7; - /** - * Tells us the specific object to spool. - */ - uint8_t digest[DIGEST256_LEN]; - /** - * A large object that we're spooling. Holds a reference count. Only - * used when spool_eagerly is false. - */ - struct cached_dir_t *cached_dir_ref; - /** - * A different kind of large object that we might be spooling. Also - * reference-counted. Also only used when spool_eagerly is false. - */ - struct consensus_cache_entry_t *consensus_cache_entry; - const uint8_t *cce_body; - size_t cce_len; - /** - * The current offset into cached_dir or cce_body. Only used when - * spool_eagerly is false */ - off_t cached_dir_offset; -} spooled_resource_t; - -#ifdef DIRSERV_PRIVATE -typedef struct measured_bw_line_t { - char node_id[DIGEST_LEN]; - char node_hex[MAX_HEX_NICKNAME_LEN+1]; - long int bw_kb; -} measured_bw_line_t; -#endif /* defined(DIRSERV_PRIVATE) */ - -int connection_dirserv_flushed_some(dir_connection_t *conn); - -int dirserv_add_own_fingerprint(crypto_pk_t *pk); -int dirserv_load_fingerprint_file(void); -void dirserv_free_fingerprint_list(void); -enum was_router_added_t dirserv_add_multiple_descriptors( - const char *desc, uint8_t purpose, - const char *source, - const char **msg); -enum was_router_added_t dirserv_add_descriptor(routerinfo_t *ri, - const char **msg, - const char *source); -void dirserv_set_router_is_running(routerinfo_t *router, time_t now); -int list_server_status_v1(smartlist_t *routers, char **router_status_out, - int for_controller); -char *dirserv_get_flag_thresholds_line(void); -void dirserv_compute_bridge_flag_thresholds(void); - -int directory_fetches_from_authorities(const or_options_t *options); -int directory_fetches_dir_info_early(const or_options_t *options); -int directory_fetches_dir_info_later(const or_options_t *options); -int directory_caches_unknown_auth_certs(const or_options_t *options); -int directory_caches_dir_info(const or_options_t *options); -int directory_permits_begindir_requests(const or_options_t *options); -int directory_too_idle_to_fetch_descriptors(const or_options_t *options, - time_t now); - -cached_dir_t *dirserv_get_consensus(const char *flavor_name); -void dirserv_set_cached_consensus_networkstatus(const char *consensus, - const char *flavor_name, - const common_digests_t *digests, - const uint8_t *sha3_as_signed, - time_t published); -void dirserv_clear_old_networkstatuses(time_t cutoff); -int dirserv_get_routerdesc_spool(smartlist_t *spools_out, const char *key, - dir_spool_source_t source, - int conn_is_encrypted, - const char **msg_out); -int dirserv_get_routerdescs(smartlist_t *descs_out, const char *key, - const char **msg); -void dirserv_orconn_tls_done(const tor_addr_t *addr, - uint16_t or_port, - const char *digest_rcvd, - const struct ed25519_public_key_t *ed_id_rcvd); -int dirserv_should_launch_reachability_test(const routerinfo_t *ri, - const routerinfo_t *ri_old); -void dirserv_single_reachability_test(time_t now, routerinfo_t *router); -void dirserv_test_reachability(time_t now); -int authdir_wants_to_reject_router(routerinfo_t *ri, const char **msg, - int complain, - int *valid_out); -uint32_t dirserv_router_get_status(const routerinfo_t *router, - const char **msg, - int severity); -void dirserv_set_node_flags_from_authoritative_status(node_t *node, - uint32_t authstatus); - -int dirserv_would_reject_router(const routerstatus_t *rs); -char *routerstatus_format_entry( - const routerstatus_t *rs, - const char *version, - const char *protocols, - routerstatus_format_type_t format, - int consensus_method, - const vote_routerstatus_t *vrs); -void dirserv_free_all(void); -void cached_dir_decref(cached_dir_t *d); -cached_dir_t *new_cached_dir(char *s, time_t published); - -int validate_recommended_package_line(const char *line); -int dirserv_query_measured_bw_cache_kb(const char *node_id, - long *bw_out, - time_t *as_of_out); -void dirserv_clear_measured_bw_cache(void); -int dirserv_has_measured_bw(const char *node_id); -int dirserv_get_measured_bw_cache_size(void); -void dirserv_count_measured_bws(const smartlist_t *routers); -int running_long_enough_to_decide_unreachable(void); -void dirserv_compute_performance_thresholds(digestmap_t *omit_as_sybil); - -#ifdef DIRSERV_PRIVATE - -STATIC void dirserv_set_routerstatus_testing(routerstatus_t *rs); - -/* Put the MAX_MEASUREMENT_AGE #define here so unit tests can see it */ -#define MAX_MEASUREMENT_AGE (3*24*60*60) /* 3 days */ - -STATIC int measured_bw_line_parse(measured_bw_line_t *out, const char *line, - int line_is_after_headers); - -STATIC int measured_bw_line_apply(measured_bw_line_t *parsed_line, - smartlist_t *routerstatuses); - -STATIC void dirserv_cache_measured_bw(const measured_bw_line_t *parsed_line, - time_t as_of); -STATIC void dirserv_expire_measured_bw_cache(time_t now); - -STATIC int -dirserv_read_guardfraction_file_from_str(const char *guardfraction_file_str, - smartlist_t *vote_routerstatuses); -#endif /* defined(DIRSERV_PRIVATE) */ - -int dirserv_read_measured_bandwidths(const char *from_file, - smartlist_t *routerstatuses); - -int dirserv_read_guardfraction_file(const char *fname, - smartlist_t *vote_routerstatuses); - -spooled_resource_t *spooled_resource_new(dir_spool_source_t source, - const uint8_t *digest, - size_t digestlen); -spooled_resource_t *spooled_resource_new_from_cache_entry( - struct consensus_cache_entry_t *entry); -void spooled_resource_free_(spooled_resource_t *spooled); -#define spooled_resource_free(sp) \ - FREE_AND_NULL(spooled_resource_t, spooled_resource_free_, (sp)) -void dirserv_spool_remove_missing_and_guess_size(dir_connection_t *conn, - time_t cutoff, - int compression, - size_t *size_out, - int *n_expired_out); -void dirserv_spool_sort(dir_connection_t *conn); -void dir_conn_clear_spool(dir_connection_t *conn); - -#endif /* !defined(TOR_DIRSERV_H) */ |