Extract crypt_path_t and relay_crypto_t into their own headers

This commit is contained in:
Nick Mathewson 2018-06-15 11:52:32 -04:00
parent e0830ff7bf
commit b3f2c682b7
17 changed files with 101 additions and 59 deletions

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@ -35,6 +35,7 @@
#include "networkstatus.h"
#include "relay.h"
#include "crypt_path_st.h"
#include "origin_circuit_st.h"
static void pathbias_count_successful_close(origin_circuit_t *circ);

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@ -41,6 +41,7 @@
#include "circuitlist.h"
#include "circuituse.h"
#include "crypt_path_st.h"
#include "origin_circuit_st.h"
#undef log

56
src/or/crypt_path_st.h Normal file
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@ -0,0 +1,56 @@
/* 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 */
#ifndef CRYPT_PATH_ST_H
#define CRYPT_PATH_ST_H
#include "relay_crypto_st.h"
/** Holds accounting information for a single step in the layered encryption
* performed by a circuit. Used only at the client edge of a circuit. */
struct crypt_path_t {
uint32_t magic;
/** Cryptographic state used for encrypting and authenticating relay
* cells to and from this hop. */
relay_crypto_t crypto;
/** Current state of the handshake as performed with the OR at this
* step. */
onion_handshake_state_t handshake_state;
/** Diffie-hellman handshake state for performing an introduction
* operations */
crypto_dh_t *rend_dh_handshake_state;
/** Negotiated key material shared with the OR at this step. */
char rend_circ_nonce[DIGEST_LEN];/* KH in tor-spec.txt */
/** Information to extend to the OR at this step. */
extend_info_t *extend_info;
/** Is the circuit built to this step? Must be one of:
* - CPATH_STATE_CLOSED (The circuit has not been extended to this step)
* - CPATH_STATE_AWAITING_KEYS (We have sent an EXTEND/CREATE to this step
* and not received an EXTENDED/CREATED)
* - CPATH_STATE_OPEN (The circuit has been extended to this step) */
uint8_t state;
#define CPATH_STATE_CLOSED 0
#define CPATH_STATE_AWAITING_KEYS 1
#define CPATH_STATE_OPEN 2
struct crypt_path_t *next; /**< Link to next crypt_path_t in the circuit.
* (The list is circular, so the last node
* links to the first.) */
struct crypt_path_t *prev; /**< Link to previous crypt_path_t in the
* circuit. */
int package_window; /**< How many cells are we allowed to originate ending
* at this step? */
int deliver_window; /**< How many cells are we willing to deliver originating
* at this step? */
};
#endif

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@ -33,6 +33,7 @@
#include "hs/cell_common.h"
#include "hs/cell_establish_intro.h"
#include "crypt_path_st.h"
#include "origin_circuit_st.h"
/* A circuit is about to become an e2e rendezvous circuit. Check

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@ -206,6 +206,7 @@ ORHEADERS = \
src/or/consdiffmgr.h \
src/or/control_connection_st.h \
src/or/control.h \
src/or/crypt_path_st.h \
src/or/cpuworker.h \
src/or/directory.h \
src/or/dirserv.h \
@ -270,6 +271,7 @@ ORHEADERS = \
src/or/reasons.h \
src/or/relay.h \
src/or/relay_crypto.h \
src/or/relay_crypto_st.h \
src/or/rendcache.h \
src/or/rendclient.h \
src/or/rendcommon.h \

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@ -2278,64 +2278,8 @@ typedef struct {
} u;
} onion_handshake_state_t;
typedef struct relay_crypto_t {
/* crypto environments */
/** Encryption key and counter for cells heading towards the OR at this
* step. */
crypto_cipher_t *f_crypto;
/** Encryption key and counter for cells heading back from the OR at this
* step. */
crypto_cipher_t *b_crypto;
/** Digest state for cells heading towards the OR at this step. */
crypto_digest_t *f_digest; /* for integrity checking */
/** Digest state for cells heading away from the OR at this step. */
crypto_digest_t *b_digest;
} relay_crypto_t;
/** Holds accounting information for a single step in the layered encryption
* performed by a circuit. Used only at the client edge of a circuit. */
typedef struct crypt_path_t {
uint32_t magic;
/** Cryptographic state used for encrypting and authenticating relay
* cells to and from this hop. */
relay_crypto_t crypto;
/** Current state of the handshake as performed with the OR at this
* step. */
onion_handshake_state_t handshake_state;
/** Diffie-hellman handshake state for performing an introduction
* operations */
crypto_dh_t *rend_dh_handshake_state;
/** Negotiated key material shared with the OR at this step. */
char rend_circ_nonce[DIGEST_LEN];/* KH in tor-spec.txt */
/** Information to extend to the OR at this step. */
extend_info_t *extend_info;
/** Is the circuit built to this step? Must be one of:
* - CPATH_STATE_CLOSED (The circuit has not been extended to this step)
* - CPATH_STATE_AWAITING_KEYS (We have sent an EXTEND/CREATE to this step
* and not received an EXTENDED/CREATED)
* - CPATH_STATE_OPEN (The circuit has been extended to this step) */
uint8_t state;
#define CPATH_STATE_CLOSED 0
#define CPATH_STATE_AWAITING_KEYS 1
#define CPATH_STATE_OPEN 2
struct crypt_path_t *next; /**< Link to next crypt_path_t in the circuit.
* (The list is circular, so the last node
* links to the first.) */
struct crypt_path_t *prev; /**< Link to previous crypt_path_t in the
* circuit. */
int package_window; /**< How many cells are we allowed to originate ending
* at this step? */
int deliver_window; /**< How many cells are we willing to deliver originating
* at this step? */
} crypt_path_t;
typedef struct relay_crypto_t relay_crypto_t;
typedef struct crypt_path_t crypt_path_t;
/** A reference-counted pointer to a crypt_path_t, used only to share
* the final rendezvous cpath to be used on a service-side rendezvous

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@ -10,6 +10,7 @@
#include "or.h"
#include "circuit_st.h"
#include "crypt_path_st.h"
struct onion_queue_t;

27
src/or/relay_crypto_st.h Normal file
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@ -0,0 +1,27 @@
/* 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 */
#ifndef RELAY_CRYPTO_ST_H
#define RELAY_CRYPTO_ST_H
struct relay_crypto_t {
/* crypto environments */
/** Encryption key and counter for cells heading towards the OR at this
* step. */
crypto_cipher_t *f_crypto;
/** Encryption key and counter for cells heading back from the OR at this
* step. */
crypto_cipher_t *b_crypto;
/** Digest state for cells heading towards the OR at this step. */
crypto_digest_t *f_digest; /* for integrity checking */
/** Digest state for cells heading away from the OR at this step. */
crypto_digest_t *b_digest;
};
#endif

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@ -33,6 +33,7 @@
#include "routerlist.h"
#include "routerset.h"
#include "crypt_path_st.h"
#include "dir_connection_st.h"
#include "entry_connection_st.h"
#include "origin_circuit_st.h"

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@ -31,6 +31,7 @@
#include "routerlist.h"
#include "routerparse.h"
#include "crypt_path_st.h"
#include "origin_circuit_st.h"
/** Return 0 if one and two are the same service ids, else -1 or 1 */

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@ -36,6 +36,7 @@
#include "routerparse.h"
#include "routerset.h"
#include "crypt_path_st.h"
#include "edge_connection_st.h"
#include "origin_circuit_st.h"

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@ -39,6 +39,7 @@
#include "dirauth/mode.h"
#include "crypt_path_st.h"
#include "dir_connection_st.h"
#include "dir_server_st.h"
#include "origin_circuit_st.h"

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@ -17,6 +17,7 @@
#include "circuituse.h"
#include "channel.h"
#include "crypt_path_st.h"
#include "origin_circuit_st.h"
void test_circuitstats_timeout(void *arg);

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@ -30,11 +30,12 @@
#include "statefile.h"
#include "util.h"
#include "crypt_path_st.h"
#include "dir_connection_st.h"
#include "origin_circuit_st.h"
#include "test_helpers.h"
#include "log_test_helpers.h"
#include "origin_circuit_st.h"
/* TODO:
* choose_random_entry() test with state set.

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@ -37,6 +37,7 @@
#include "connection_edge.h"
#include "networkstatus.h"
#include "crypt_path_st.h"
#include "dir_connection_st.h"
#include "entry_connection_st.h"
#include "origin_circuit_st.h"

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@ -53,6 +53,7 @@
#include "dirauth/shared_random_state.h"
#include "voting_schedule.h"
#include "crypt_path_st.h"
#include "origin_circuit_st.h"
/* Trunnel */

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@ -16,6 +16,7 @@
#include "relay.h"
#include "test.h"
#include "crypt_path_st.h"
#include "entry_connection_st.h"
#include "origin_circuit_st.h"