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https://gitlab.torproject.org/tpo/core/tor.git
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142 lines
5.7 KiB
C
142 lines
5.7 KiB
C
/* Copyright (c) 2001 Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2013, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file dirvote.h
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* \brief Header file for dirvote.c.
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**/
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#ifndef TOR_DIRVOTE_H
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#define TOR_DIRVOTE_H
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/** Lowest allowable value for VoteSeconds. */
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#define MIN_VOTE_SECONDS 20
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/** Lowest allowable value for DistSeconds. */
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#define MIN_DIST_SECONDS 20
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/** Smallest allowable voting interval. */
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#define MIN_VOTE_INTERVAL 300
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/** The highest consensus method that we currently support. */
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#define MAX_SUPPORTED_CONSENSUS_METHOD 17
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/** Lowest consensus method that contains a 'directory-footer' marker */
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#define MIN_METHOD_FOR_FOOTER 9
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/** Lowest consensus method that contains bandwidth weights */
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#define MIN_METHOD_FOR_BW_WEIGHTS 9
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/** Lowest consensus method that contains consensus params */
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#define MIN_METHOD_FOR_PARAMS 7
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/** Lowest consensus method that generates microdescriptors */
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#define MIN_METHOD_FOR_MICRODESC 8
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/** Lowest consensus method that ensures a majority of authorities voted
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* for a param. */
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#define MIN_METHOD_FOR_MAJORITY_PARAMS 12
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/** Lowest consensus method where microdesc consensuses omit any entry
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* with no microdesc. */
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#define MIN_METHOD_FOR_MANDATORY_MICRODESC 13
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/** Lowest consensus method that contains "a" lines. */
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#define MIN_METHOD_FOR_A_LINES 14
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/** Lowest consensus method where microdescs may include a "p6" line. */
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#define MIN_METHOD_FOR_P6_LINES 15
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/** Lowest consensus method where microdescs may include an onion-key-ntor
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* line */
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#define MIN_METHOD_FOR_NTOR_KEY 16
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/** Lowest consensus method that ensures that authorities output an
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* Unmeasured=1 flag for unmeasured bandwidths */
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#define MIN_METHOD_TO_CLIP_UNMEASURED_BW 17
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/** Default bandwidth to clip unmeasured bandwidths to using method >=
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* MIN_METHOD_TO_CLIP_UNMEASURED_BW */
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#define DEFAULT_MAX_UNMEASURED_BW 20
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void dirvote_free_all(void);
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/* vote manipulation */
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char *networkstatus_compute_consensus(smartlist_t *votes,
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int total_authorities,
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crypto_pk_t *identity_key,
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crypto_pk_t *signing_key,
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const char *legacy_identity_key_digest,
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crypto_pk_t *legacy_signing_key,
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consensus_flavor_t flavor);
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int networkstatus_add_detached_signatures(networkstatus_t *target,
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ns_detached_signatures_t *sigs,
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const char *source,
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int severity,
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const char **msg_out);
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char *networkstatus_get_detached_signatures(smartlist_t *consensuses);
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void ns_detached_signatures_free(ns_detached_signatures_t *s);
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/* cert manipulation */
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authority_cert_t *authority_cert_dup(authority_cert_t *cert);
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/* vote scheduling */
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void dirvote_get_preferred_voting_intervals(vote_timing_t *timing_out);
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time_t dirvote_get_start_of_next_interval(time_t now, int interval);
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void dirvote_recalculate_timing(const or_options_t *options, time_t now);
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void dirvote_act(const or_options_t *options, time_t now);
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/* invoked on timers and by outside triggers. */
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struct pending_vote_t * dirvote_add_vote(const char *vote_body,
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const char **msg_out,
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int *status_out);
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int dirvote_add_signatures(const char *detached_signatures_body,
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const char *source,
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const char **msg_out);
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/* Item access */
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const char *dirvote_get_pending_consensus(consensus_flavor_t flav);
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const char *dirvote_get_pending_detached_signatures(void);
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#define DGV_BY_ID 1
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#define DGV_INCLUDE_PENDING 2
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#define DGV_INCLUDE_PREVIOUS 4
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const cached_dir_t *dirvote_get_vote(const char *fp, int flags);
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void set_routerstatus_from_routerinfo(routerstatus_t *rs,
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node_t *node,
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routerinfo_t *ri, time_t now,
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int naming, int listbadexits,
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int listbaddirs, int vote_on_hsdirs);
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networkstatus_t *
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dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
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authority_cert_t *cert);
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microdesc_t *dirvote_create_microdescriptor(const routerinfo_t *ri,
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int consensus_method);
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ssize_t dirvote_format_microdesc_vote_line(char *out, size_t out_len,
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const microdesc_t *md,
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int consensus_method_low,
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int consensus_method_high);
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vote_microdesc_hash_t *dirvote_format_all_microdesc_vote_lines(
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const routerinfo_t *ri,
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time_t now,
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smartlist_t *microdescriptors_out);
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int vote_routerstatus_find_microdesc_hash(char *digest256_out,
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const vote_routerstatus_t *vrs,
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int method,
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digest_algorithm_t alg);
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document_signature_t *voter_get_sig_by_algorithm(
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const networkstatus_voter_info_t *voter,
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digest_algorithm_t alg);
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#ifdef DIRVOTE_PRIVATE
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char *format_networkstatus_vote(crypto_pk_t *private_key,
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networkstatus_t *v3_ns);
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char *dirvote_compute_params(smartlist_t *votes, int method,
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int total_authorities);
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#endif
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#endif
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