Pull a couple more enums from or.h

This commit is contained in:
Nick Mathewson 2018-07-01 14:44:04 -04:00
parent 6ccd98f93e
commit f75357ec35
5 changed files with 79 additions and 79 deletions

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@ -23,7 +23,6 @@ int pathbias_check_probe_response(circuit_t *circ, const cell_t *cell);
void pathbias_count_use_attempt(origin_circuit_t *circ);
void pathbias_mark_use_success(origin_circuit_t *circ);
void pathbias_mark_use_rollback(origin_circuit_t *circ);
const char *pathbias_state_to_string(path_state_t state);
const char *pathbias_state_to_string(enum path_state_t state);
#endif /* !defined(TOR_CIRCPATHBIAS_H) */

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@ -10,6 +10,20 @@
#include "or/relay_crypto_st.h"
struct crypto_dh_t;
#define CRYPT_PATH_MAGIC 0x70127012u
struct fast_handshake_state_t;
struct ntor_handshake_state_t;
struct crypto_dh_t;
struct onion_handshake_state_t {
uint16_t tag;
union {
struct fast_handshake_state_t *fast;
struct crypto_dh_t *tap;
struct ntor_handshake_state_t *ntor;
} u;
};
/** 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 {

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@ -7,6 +7,12 @@
#ifndef DESC_STORE_ST_H
#define DESC_STORE_ST_H
/** Allowable types of desc_store_t. */
typedef enum store_type_t {
ROUTER_STORE = 0,
EXTRAINFO_STORE = 1
} store_type_t;
/** A 'store' is a set of descriptors saved on disk, with accompanying
* journal, mmaped as needed, rebuilt as needed. */
struct desc_store_t {
@ -31,4 +37,3 @@ struct desc_store_t {
};
#endif

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@ -862,13 +862,6 @@ typedef enum {
typedef struct networkstatus_t networkstatus_t;
typedef struct ns_detached_signatures_t ns_detached_signatures_t;
/** Allowable types of desc_store_t. */
typedef enum store_type_t {
ROUTER_STORE = 0,
EXTRAINFO_STORE = 1
} store_type_t;
typedef struct desc_store_t desc_store_t;
typedef struct routerlist_t routerlist_t;
typedef struct extend_info_t extend_info_t;
@ -897,24 +890,12 @@ typedef enum {
#define ALL_DIRINFO ((dirinfo_type_t)((1<<7)-1))
#define CRYPT_PATH_MAGIC 0x70127012u
struct fast_handshake_state_t;
struct ntor_handshake_state_t;
struct crypto_dh_t;
#define ONION_HANDSHAKE_TYPE_TAP 0x0000
#define ONION_HANDSHAKE_TYPE_FAST 0x0001
#define ONION_HANDSHAKE_TYPE_NTOR 0x0002
#define MAX_ONION_HANDSHAKE_TYPE 0x0002
typedef struct {
uint16_t tag;
union {
struct fast_handshake_state_t *fast;
struct crypto_dh_t *tap;
struct ntor_handshake_state_t *ntor;
} u;
} onion_handshake_state_t;
typedef struct onion_handshake_state_t onion_handshake_state_t;
typedef struct relay_crypto_t relay_crypto_t;
typedef struct crypt_path_t crypt_path_t;
typedef struct crypt_path_reference_t crypt_path_reference_t;
@ -946,61 +927,7 @@ typedef struct or_circuit_t or_circuit_t;
* circuit. */
#define MAX_RELAY_EARLY_CELLS_PER_CIRCUIT 8
/**
* Describes the circuit building process in simplified terms based
* on the path bias accounting state for a circuit.
*
* NOTE: These state values are enumerated in the order for which we
* expect circuits to transition through them. If you add states,
* you need to preserve this overall ordering. The various pathbias
* state transition and accounting functions (pathbias_mark_* and
* pathbias_count_*) contain ordinal comparisons to enforce proper
* state transitions for corrections.
*
* This state machine and the associated logic was created to prevent
* miscounting due to unknown cases of circuit reuse. See also tickets
* #6475 and #7802.
*/
typedef enum {
/** This circuit is "new". It has not yet completed a first hop
* or been counted by the path bias code. */
PATH_STATE_NEW_CIRC = 0,
/** This circuit has completed one/two hops, and has been counted by
* the path bias logic. */
PATH_STATE_BUILD_ATTEMPTED = 1,
/** This circuit has been completely built */
PATH_STATE_BUILD_SUCCEEDED = 2,
/** Did we try to attach any SOCKS streams or hidserv introductions to
* this circuit?
*
* Note: If we ever implement end-to-end stream timing through test
* stream probes (#5707), we must *not* set this for those probes
* (or any other automatic streams) because the adversary could
* just tag at a later point.
*/
PATH_STATE_USE_ATTEMPTED = 3,
/** Did any SOCKS streams or hidserv introductions actually succeed on
* this circuit?
*
* If any streams detatch/fail from this circuit, the code transitions
* the circuit back to PATH_STATE_USE_ATTEMPTED to ensure we probe. See
* pathbias_mark_use_rollback() for that.
*/
PATH_STATE_USE_SUCCEEDED = 4,
/**
* This is a special state to indicate that we got a corrupted
* relay cell on a circuit and we don't intend to probe it.
*/
PATH_STATE_USE_FAILED = 5,
/**
* This is a special state to indicate that we already counted
* the circuit. Used to guard against potential state machine
* violations.
*/
PATH_STATE_ALREADY_COUNTED = 6,
} path_state_t;
typedef enum path_state_t path_state_t;
#define path_state_bitfield_t ENUM_BF(path_state_t)
#if REND_COOKIE_LEN != DIGEST_LEN

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@ -13,6 +13,62 @@
struct onion_queue_t;
/**
* Describes the circuit building process in simplified terms based
* on the path bias accounting state for a circuit.
*
* NOTE: These state values are enumerated in the order for which we
* expect circuits to transition through them. If you add states,
* you need to preserve this overall ordering. The various pathbias
* state transition and accounting functions (pathbias_mark_* and
* pathbias_count_*) contain ordinal comparisons to enforce proper
* state transitions for corrections.
*
* This state machine and the associated logic was created to prevent
* miscounting due to unknown cases of circuit reuse. See also tickets
* #6475 and #7802.
*/
enum path_state_t {
/** This circuit is "new". It has not yet completed a first hop
* or been counted by the path bias code. */
PATH_STATE_NEW_CIRC = 0,
/** This circuit has completed one/two hops, and has been counted by
* the path bias logic. */
PATH_STATE_BUILD_ATTEMPTED = 1,
/** This circuit has been completely built */
PATH_STATE_BUILD_SUCCEEDED = 2,
/** Did we try to attach any SOCKS streams or hidserv introductions to
* this circuit?
*
* Note: If we ever implement end-to-end stream timing through test
* stream probes (#5707), we must *not* set this for those probes
* (or any other automatic streams) because the adversary could
* just tag at a later point.
*/
PATH_STATE_USE_ATTEMPTED = 3,
/** Did any SOCKS streams or hidserv introductions actually succeed on
* this circuit?
*
* If any streams detatch/fail from this circuit, the code transitions
* the circuit back to PATH_STATE_USE_ATTEMPTED to ensure we probe. See
* pathbias_mark_use_rollback() for that.
*/
PATH_STATE_USE_SUCCEEDED = 4,
/**
* This is a special state to indicate that we got a corrupted
* relay cell on a circuit and we don't intend to probe it.
*/
PATH_STATE_USE_FAILED = 5,
/**
* This is a special state to indicate that we already counted
* the circuit. Used to guard against potential state machine
* violations.
*/
PATH_STATE_ALREADY_COUNTED = 6,
};
/** An origin_circuit_t holds data necessary to build and use a circuit.
*/
struct origin_circuit_t {
@ -232,4 +288,3 @@ struct origin_circuit_t {
};
#endif