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The Tor anonymity network
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hs_dos.h (1083B)

      1 /* Copyright (c) 2019-2021, The Tor Project, Inc. */
      2 /* See LICENSE for licensing information */
      3 
      4 /**
      5 * \file hs_dos.h
      6 * \brief Header file containing denial of service defenses for the HS
      7 *        subsystem for all versions.
      8 **/
      9 
     10 #ifndef TOR_HS_DOS_H
     11 #define TOR_HS_DOS_H
     12 
     13 #include "core/or/or_circuit_st.h"
     14 
     15 #include "feature/nodelist/networkstatus_st.h"
     16 
     17 /* Init */
     18 void hs_dos_init(void);
     19 
     20 /* Consensus. */
     21 void hs_dos_consensus_has_changed(const networkstatus_t *ns);
     22 
     23 /* Introduction Point. */
     24 bool hs_dos_can_send_intro2(or_circuit_t *s_intro_circ);
     25 void hs_dos_setup_default_intro2_defenses(or_circuit_t *circ);
     26 
     27 /* Statistics. */
     28 uint64_t hs_dos_get_intro2_rejected_count(void);
     29 
     30 #ifdef HS_DOS_PRIVATE
     31 
     32 #ifdef TOR_UNIT_TESTS
     33 
     34 STATIC uint32_t get_intro2_enable_consensus_param(const networkstatus_t *ns);
     35 STATIC uint32_t get_intro2_rate_consensus_param(const networkstatus_t *ns);
     36 STATIC uint32_t get_intro2_burst_consensus_param(const networkstatus_t *ns);
     37 
     38 #endif /* defined(TOR_UNIT_TESTS) */
     39 
     40 #endif /* defined(HS_DOS_PRIVATE) */
     41 
     42 #endif /* !defined(TOR_HS_DOS_H) */