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Merge branch 'tor-gitlab/mr/697'

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This commit is contained in:
David Goulet 2023-03-07 09:49:53 -05:00
commit 3fa08dc9a7
12 changed files with 345 additions and 81 deletions
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3
changes/ticket40758 Normal file
View File

@ -0,0 +1,3 @@
o Minor features (metrics):
- Add a `reason` label to the HS error metrics.
Closes ticket 40758.

6
src/core/or/circuituse.c
View File

@ -1753,7 +1753,8 @@ circuit_build_failed(origin_circuit_t *circ)
/* If the path failed on an RP, retry it. */
if (TO_CIRCUIT(circ)->purpose == CIRCUIT_PURPOSE_S_CONNECT_REND) {
hs_metrics_failed_rdv(&circ->hs_ident->identity_pk);
hs_metrics_failed_rdv(&circ->hs_ident->identity_pk,
HS_METRICS_ERR_RDV_PATH);
hs_circ_retry_service_rendezvous_point(circ);
}
@ -1866,7 +1867,8 @@ circuit_build_failed(origin_circuit_t *circ)
escaped(build_state_get_exit_nickname(circ->build_state)),
failed_at_last_hop?"last":"non-last");
hs_metrics_failed_rdv(&circ->hs_ident->identity_pk);
hs_metrics_failed_rdv(&circ->hs_ident->identity_pk,
HS_METRICS_ERR_RDV_RP_CONN_FAILURE);
hs_circ_retry_service_rendezvous_point(circ);
break;
/* default:

38
src/feature/hs/hs_circuit.c
View File

@ -494,7 +494,10 @@ retry_service_rendezvous_point(const origin_circuit_t *circ)
if (new_circ == NULL) {
log_warn(LD_REND, "Failed to launch rendezvous circuit to %s",
safe_str_client(extend_info_describe(bstate->chosen_exit)));
hs_metrics_failed_rdv(&circ->hs_ident->identity_pk);
hs_metrics_failed_rdv(&circ->hs_ident->identity_pk,
HS_METRICS_ERR_RDV_RETRY);
goto done;
}
@ -832,7 +835,6 @@ hs_circ_service_rp_has_opened(const hs_service_t *service,
{
size_t payload_len;
uint8_t payload[RELAY_PAYLOAD_SIZE] = {0};
int reason = 0;
tor_assert(service);
tor_assert(circ);
@ -864,33 +866,34 @@ hs_circ_service_rp_has_opened(const hs_service_t *service,
payload_len = HS_LEGACY_RENDEZVOUS_CELL_SIZE;
}
if ((reason = relay_send_command_from_edge(CONTROL_CELL_ID, TO_CIRCUIT(circ),
RELAY_COMMAND_RENDEZVOUS1,
(const char *) payload,
payload_len,
circ->cpath->prev)) < 0) {
if (relay_send_command_from_edge(CONTROL_CELL_ID, TO_CIRCUIT(circ),
RELAY_COMMAND_RENDEZVOUS1,
(const char *) payload,
payload_len,
circ->cpath->prev) < 0) {
/* On error, circuit is closed. */
log_warn(LD_REND, "Unable to send RENDEZVOUS1 cell on circuit %u "
"for service %s",
TO_CIRCUIT(circ)->n_circ_id,
safe_str_client(service->onion_address));
hs_metrics_failed_rdv(&service->keys.identity_pk,
HS_METRICS_ERR_RDV_RENDEZVOUS1);
goto done;
}
/* Setup end-to-end rendezvous circuit between the client and us. */
if ((reason = hs_circuit_setup_e2e_rend_circ(circ,
if (hs_circuit_setup_e2e_rend_circ(circ,
circ->hs_ident->rendezvous_ntor_key_seed,
sizeof(circ->hs_ident->rendezvous_ntor_key_seed),
1)) < 0) {
1) < 0) {
log_warn(LD_GENERAL, "Failed to setup circ");
hs_metrics_failed_rdv(&service->keys.identity_pk, HS_METRICS_ERR_RDV_E2E);
goto done;
}
done:
if (reason < 0) {
hs_metrics_failed_rdv(&service->keys.identity_pk);
}
memwipe(payload, 0, sizeof(payload));
}
@ -1004,12 +1007,15 @@ hs_circ_handle_introduce2(const hs_service_t *service,
data.replay_cache = ip->replay_cache;
data.cc_enabled = 0;
if (get_subcredential_for_handling_intro2_cell(service,
&data, subcredential)) {
if (get_subcredential_for_handling_intro2_cell(service, &data,
subcredential)) {
hs_metrics_reject_intro_req(service,
HS_METRICS_ERR_INTRO_REQ_SUBCREDENTIAL);
goto done;
}
if (hs_cell_parse_introduce2(&data, circ, service) < 0) {
hs_metrics_reject_intro_req(service, HS_METRICS_ERR_INTRO_REQ_INTRODUCE2);
goto done;
}
@ -1027,6 +1033,8 @@ hs_circ_handle_introduce2(const hs_service_t *service,
log_info(LD_REND, "We received an INTRODUCE2 cell with same REND_COOKIE "
"field %ld seconds ago. Dropping cell.",
(long int) elapsed);
hs_metrics_reject_intro_req(service,
HS_METRICS_ERR_INTRO_REQ_INTRODUCE2_REPLAY);
goto done;
}

132
src/feature/hs/hs_metrics.c
View File

@ -13,6 +13,7 @@
#include "lib/malloc/malloc.h"
#include "lib/container/smartlist.h"
#include "lib/metrics/metrics_store.h"
#include "lib/log/util_bug.h"
#include "feature/hs/hs_metrics.h"
#include "feature/hs/hs_metrics_entry.h"
@ -29,6 +30,87 @@ port_to_str(const uint16_t port)
return buf;
}
/** Add a new metric to the metrics store of the service.
*
* <b>metric</b> is the index of the metric in the <b>base_metrics</b> array.
*/
static void
add_metric_with_labels(hs_service_t *service, hs_metrics_key_t metric,
bool port_as_label, uint16_t port)
{
metrics_store_t *store;
const char **error_reasons = NULL;
size_t num_error_reasons = 0;
tor_assert(service);
if (BUG(metric >= base_metrics_size))
return;
store = service->metrics.store;
/* Check whether the current metric is an error metric, because error metrics
* require an additional `reason` label. */
switch (metric) {
case HS_METRICS_NUM_REJECTED_INTRO_REQ:
error_reasons = hs_metrics_intro_req_error_reasons;
num_error_reasons = hs_metrics_intro_req_error_reasons_size;
break;
case HS_METRICS_NUM_FAILED_RDV:
error_reasons = hs_metrics_rend_error_reasons;
num_error_reasons = hs_metrics_rend_error_reasons_size;
break;
/* Fall through for all other metrics, as they don't need a
* reason label. */
case HS_METRICS_NUM_INTRODUCTIONS: FALLTHROUGH;
case HS_METRICS_APP_WRITE_BYTES: FALLTHROUGH;
case HS_METRICS_APP_READ_BYTES: FALLTHROUGH;
case HS_METRICS_NUM_ESTABLISHED_RDV: FALLTHROUGH;
case HS_METRICS_NUM_RDV: FALLTHROUGH;
case HS_METRICS_NUM_ESTABLISHED_INTRO: FALLTHROUGH;
default:
break;
}
/* We don't need a reason label for this metric */
if (!num_error_reasons) {
metrics_store_entry_t *entry = metrics_store_add(
store, base_metrics[metric].type, base_metrics[metric].name,
base_metrics[metric].help);
metrics_store_entry_add_label(entry,
metrics_format_label("onion", service->onion_address));
if (port_as_label) {
metrics_store_entry_add_label(entry,
metrics_format_label("port", port_to_str(port)));
}
return;
}
tor_assert(error_reasons);
/* Add entries with reason as label. We need one metric line per
* reason. */
for (size_t i = 0; i < num_error_reasons; ++i) {
metrics_store_entry_t *entry =
metrics_store_add(store, base_metrics[metric].type,
base_metrics[metric].name,
base_metrics[metric].help);
/* Add labels to the entry. */
metrics_store_entry_add_label(entry,
metrics_format_label("onion", service->onion_address));
metrics_store_entry_add_label(entry,
metrics_format_label("reason", error_reasons[i]));
if (port_as_label) {
metrics_store_entry_add_label(entry,
metrics_format_label("port", port_to_str(port)));
}
}
}
/** Initialize a metrics store for the given service.
*
* Essentially, this goes over the base_metrics array and adds them all to the
@ -36,44 +118,30 @@ port_to_str(const uint16_t port)
static void
init_store(hs_service_t *service)
{
metrics_store_t *store;
tor_assert(service);
store = service->metrics.store;
for (size_t i = 0; i < base_metrics_size; ++i) {
/* Add entries with port as label. We need one metric line per port. */
if (base_metrics[i].port_as_label && service->config.ports) {
SMARTLIST_FOREACH_BEGIN(service->config.ports,
const hs_port_config_t *, p) {
metrics_store_entry_t *entry =
metrics_store_add(store, base_metrics[i].type, base_metrics[i].name,
base_metrics[i].help);
/* Add labels to the entry. */
metrics_store_entry_add_label(entry,
metrics_format_label("onion", service->onion_address));
metrics_store_entry_add_label(entry,
metrics_format_label("port", port_to_str(p->virtual_port)));
add_metric_with_labels(service, base_metrics[i].key, true,
p->virtual_port);
} SMARTLIST_FOREACH_END(p);
} else {
metrics_store_entry_t *entry =
metrics_store_add(store, base_metrics[i].type, base_metrics[i].name,
base_metrics[i].help);
metrics_store_entry_add_label(entry,
metrics_format_label("onion", service->onion_address));
add_metric_with_labels(service, base_metrics[i].key, false, 0);
}
}
}
/** Update the metrics key entry in the store in the given service. The port,
* if non 0, is used to find the correct metrics entry. The value n is the
* value used to update the entry. */
* if non 0, and the reason label, if non NULL, are used to find the correct
* metrics entry. The value n is the value used to update the entry. */
void
hs_metrics_update_by_service(const hs_metrics_key_t key,
const hs_service_t *service,
uint16_t port, int64_t n)
uint16_t port, const char *reason,
int64_t n)
{
tor_assert(service);
@ -89,25 +157,29 @@ hs_metrics_update_by_service(const hs_metrics_key_t key,
* XXX: This is not the most optimal due to the string format. Maybe at some
* point turn this into a kvline and a map in a metric entry? */
SMARTLIST_FOREACH_BEGIN(entries, metrics_store_entry_t *, entry) {
if (port == 0 ||
metrics_store_entry_has_label(entry,
metrics_format_label("port", port_to_str(port)))) {
metrics_store_entry_update(entry, n);
break;
if ((port == 0 ||
metrics_store_entry_has_label(
entry, metrics_format_label("port", port_to_str(port)))) &&
((!reason || metrics_store_entry_has_label(
entry, metrics_format_label("reason", reason))))) {
metrics_store_entry_update(entry, n);
break;
}
} SMARTLIST_FOREACH_END(entry);
}
/** Update the metrics key entry in the store of a service identified by the
* given identity public key. The port, if non 0, is used to find the correct
* metrics entry. The value n is the value used to update the entry.
* given identity public key. The port, if non 0, and the reason label, if non
* NULL, are used to find the correct metrics entry. The value n is the value
* used to update the entry.
*
* This is used by callsite that have access to the key but not the service
* object so an extra lookup is done to find the service. */
void
hs_metrics_update_by_ident(const hs_metrics_key_t key,
const ed25519_public_key_t *ident_pk,
const uint16_t port, int64_t n)
const uint16_t port, const char *reason,
int64_t n)
{
hs_service_t *service;
@ -121,7 +193,7 @@ hs_metrics_update_by_ident(const hs_metrics_key_t key,
* service and thus the only way to know is to lookup the service. */
return;
}
hs_metrics_update_by_service(key, service, port, n);
hs_metrics_update_by_service(key, service, port, reason, n);
}
/** Return a list of all the onion service metrics stores. This is the

40
src/feature/hs/hs_metrics.h
View File

@ -26,53 +26,59 @@ const smartlist_t *hs_metrics_get_stores(void);
/* Metrics Update. */
void hs_metrics_update_by_ident(const hs_metrics_key_t key,
const ed25519_public_key_t *ident_pk,
const uint16_t port, int64_t n);
const uint16_t port, const char *reason,
int64_t n);
void hs_metrics_update_by_service(const hs_metrics_key_t key,
const hs_service_t *service,
uint16_t port, int64_t n);
uint16_t port, const char *reason,
int64_t n);
/** New introducion request received. */
#define hs_metrics_new_introduction(s) \
hs_metrics_update_by_service(HS_METRICS_NUM_INTRODUCTIONS, (s), 0, 1)
hs_metrics_update_by_service(HS_METRICS_NUM_INTRODUCTIONS, (s), 0, NULL, 1)
/** Introducion request rejected. */
#define hs_metrics_reject_intro_req(s) \
hs_metrics_update_by_service(HS_METRICS_NUM_REJECTED_INTRO_REQ, (s), 0, 1)
#define hs_metrics_reject_intro_req(s, reason) \
hs_metrics_update_by_service(HS_METRICS_NUM_REJECTED_INTRO_REQ, (s), 0, \
(reason), 1)
/** Number of bytes written to the application from the service. */
#define hs_metrics_app_write_bytes(i, port, n) \
hs_metrics_update_by_ident(HS_METRICS_APP_WRITE_BYTES, (i), (port), (n))
#define hs_metrics_app_write_bytes(i, port, n) \
hs_metrics_update_by_ident(HS_METRICS_APP_WRITE_BYTES, (i), (port), NULL, \
(n))
/** Number of bytes read from the application to the service. */
#define hs_metrics_app_read_bytes(i, port, n) \
hs_metrics_update_by_ident(HS_METRICS_APP_READ_BYTES, (i), (port), (n))
hs_metrics_update_by_ident(HS_METRICS_APP_READ_BYTES, (i), (port), NULL, (n))
/** Newly established rendezvous. This is called as soon as the circuit purpose
* is REND_JOINED which is when the RENDEZVOUS2 cell is sent. */
#define hs_metrics_new_established_rdv(s) \
hs_metrics_update_by_service(HS_METRICS_NUM_ESTABLISHED_RDV, (s), 0, 1)
hs_metrics_update_by_service(HS_METRICS_NUM_ESTABLISHED_RDV, (s), 0, NULL, 1)
/** New rendezvous circuit failure. */
#define hs_metrics_failed_rdv(i) \
hs_metrics_update_by_ident(HS_METRICS_NUM_FAILED_RDV, (i), 0, 1)
#define hs_metrics_failed_rdv(i, reason) \
hs_metrics_update_by_ident(HS_METRICS_NUM_FAILED_RDV, (i), 0, (reason), 1)
/** Established rendezvous closed. This is called when the circuit in
* REND_JOINED state is marked for close. */
#define hs_metrics_close_established_rdv(i) \
hs_metrics_update_by_ident(HS_METRICS_NUM_ESTABLISHED_RDV, (i), 0, -1)
hs_metrics_update_by_ident(HS_METRICS_NUM_ESTABLISHED_RDV, (i), 0, NULL, -1)
/** New rendezvous circuit being launched. */
#define hs_metrics_new_rdv(i) \
hs_metrics_update_by_ident(HS_METRICS_NUM_RDV, (i), 0, 1)
hs_metrics_update_by_ident(HS_METRICS_NUM_RDV, (i), 0, NULL, 1)
/** New introduction circuit has been established. This is called when the
* INTRO_ESTABLISHED has been received by the service. */
#define hs_metrics_new_established_intro(s) \
hs_metrics_update_by_service(HS_METRICS_NUM_ESTABLISHED_INTRO, (s), 0, 1)
#define hs_metrics_new_established_intro(s) \
hs_metrics_update_by_service(HS_METRICS_NUM_ESTABLISHED_INTRO, (s), 0, \
NULL, 1)
/** Established introduction circuit closes. This is called when
* INTRO_ESTABLISHED circuit is marked for close. */
#define hs_metrics_close_established_intro(i) \
hs_metrics_update_by_ident(HS_METRICS_NUM_ESTABLISHED_INTRO, (i), 0, -1)
#define hs_metrics_close_established_intro(i) \
hs_metrics_update_by_ident(HS_METRICS_NUM_ESTABLISHED_INTRO, (i), 0, NULL, \
-1)
#endif /* !defined(TOR_FEATURE_HS_HS_METRICS_H) */

32
src/feature/hs/hs_metrics_entry.c
View File

@ -8,9 +8,13 @@
#define HS_METRICS_ENTRY_PRIVATE
#include <stddef.h>
#include "orconfig.h"
#include "lib/cc/compat_compiler.h"
#include "lib/log/log.h"
#include "lib/log/util_bug.h"
#include "feature/hs/hs_metrics_entry.h"
@ -75,3 +79,31 @@ const hs_metrics_entry_t base_metrics[] =
/** Size of base_metrics array that is number of entries. */
const size_t base_metrics_size = ARRAY_LENGTH(base_metrics);
/** Possible values for the reason label of the
* hs_intro_rejected_intro_req_count metric. */
const char *hs_metrics_intro_req_error_reasons[] =
{
HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY,
HS_METRICS_ERR_INTRO_REQ_INTRODUCE2,
HS_METRICS_ERR_INTRO_REQ_SUBCREDENTIAL,
HS_METRICS_ERR_INTRO_REQ_INTRODUCE2_REPLAY,
};
/** The number of entries in the hs_metrics_intro_req_error_reasons array. */
const size_t hs_metrics_intro_req_error_reasons_size =
ARRAY_LENGTH(hs_metrics_intro_req_error_reasons);
/** Possible values for the reason label of the hs_rdv_error_count metric. */
const char *hs_metrics_rend_error_reasons[] =
{
HS_METRICS_ERR_RDV_RP_CONN_FAILURE,
HS_METRICS_ERR_RDV_PATH,
HS_METRICS_ERR_RDV_RENDEZVOUS1,
HS_METRICS_ERR_RDV_E2E,
HS_METRICS_ERR_RDV_RETRY,
};
/** The number of entries in the hs_metrics_rend_error_reasons array. */
const size_t hs_metrics_rend_error_reasons_size =
ARRAY_LENGTH(hs_metrics_rend_error_reasons);

34
src/feature/hs/hs_metrics_entry.h
View File

@ -13,6 +13,33 @@
#include "lib/metrics/metrics_common.h"
/* Possible values for the reason label of the
* hs_intro_rejected_intro_req_count metric. */
/** The hidden service received an unknown introduction auth key. */
#define HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY "bad_auth_key"
/** The hidden service received a malformed INTRODUCE2 cell. */
#define HS_METRICS_ERR_INTRO_REQ_INTRODUCE2 "invalid_introduce2"
/** The hidden service does not have the necessary subcredential. */
#define HS_METRICS_ERR_INTRO_REQ_SUBCREDENTIAL "subcredential"
/** The hidden service received an INTRODUCE2 replay. */
#define HS_METRICS_ERR_INTRO_REQ_INTRODUCE2_REPLAY "replay"
/* Possible values for the reason label of the hs_rdv_error_count metric. */
/** The hidden service failed to connect to the rendezvous point. */
#define HS_METRICS_ERR_RDV_RP_CONN_FAILURE "rp_conn_failure"
/** The hidden service failed to build a circuit to the rendezvous point due
* to an invalid selected path. */
#define HS_METRICS_ERR_RDV_PATH "invalid_path"
/** The hidden service failed to send the RENDEZVOUS1 cell on rendezvous
* circuit. */
#define HS_METRICS_ERR_RDV_RENDEZVOUS1 "rendezvous1"
/** The hidden service failed to set up an end-to-end rendezvous circuit to
* the client. */
#define HS_METRICS_ERR_RDV_E2E "e2e_circ"
/** The hidden service reattempted to connect to the rendezvous point by
* launching a new circuit to it, but failed */
#define HS_METRICS_ERR_RDV_RETRY "retry"
/** Metrics key which are used as an index in the main base metrics array. */
typedef enum {
/** Number of introduction requests. */
@ -50,6 +77,11 @@ typedef struct hs_metrics_entry_t {
extern const hs_metrics_entry_t base_metrics[];
extern const size_t base_metrics_size;
#endif /* defined(HS_METRICS_ENTRY_PRIVATE) */
extern const char *hs_metrics_intro_req_error_reasons[];
extern const size_t hs_metrics_intro_req_error_reasons_size;
extern const char *hs_metrics_rend_error_reasons[];
extern const size_t hs_metrics_rend_error_reasons_size;
#endif /* defined(HS_METRICS_ENTRY_PRIVATE) */
#endif /* !defined(TOR_FEATURE_HS_METRICS_ENTRY_H) */

7
src/feature/hs/hs_service.c
View File

@ -42,6 +42,7 @@
#include "feature/hs/hs_ident.h"
#include "feature/hs/hs_intropoint.h"
#include "feature/hs/hs_metrics.h"
#include "feature/hs/hs_metrics_entry.h"
#include "feature/hs/hs_service.h"
#include "feature/hs/hs_stats.h"
#include "feature/hs/hs_ob.h"
@ -3508,6 +3509,9 @@ service_handle_introduce2(origin_circuit_t *circ, const uint8_t *payload,
"an INTRODUCE2 cell on circuit %u for service %s",
TO_CIRCUIT(circ)->n_circ_id,
safe_str_client(service->onion_address));
hs_metrics_reject_intro_req(service,
HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY);
goto err;
}
/* If we have an IP object, we MUST have a descriptor object. */
@ -3524,9 +3528,6 @@ service_handle_introduce2(origin_circuit_t *circ, const uint8_t *payload,
return 0;
err:
if (service) {
hs_metrics_reject_intro_req(service);
}
return -1;
}

20
src/lib/metrics/metrics_store_entry.c
View File

@ -127,3 +127,23 @@ metrics_store_entry_has_label(const metrics_store_entry_t *entry,
return smartlist_contains_string(entry->labels, label);
}
/** Return the first entry that has the given label, or NULL if none
* of the entries have the label. */
metrics_store_entry_t *
metrics_store_find_entry_with_label(const smartlist_t *entries,
const char *label)
{
tor_assert(entries);
tor_assert(label);
SMARTLIST_FOREACH_BEGIN(entries, metrics_store_entry_t *, entry) {
tor_assert(entry);
if (smartlist_contains_string(entry->labels, label)) {
return entry;
}
} SMARTLIST_FOREACH_END(entry);
return NULL;
}

3
src/lib/metrics/metrics_store_entry.h
View File

@ -12,6 +12,7 @@
#include "lib/cc/torint.h"
#include "lib/metrics/metrics_common.h"
#include "lib/container/smartlist.h"
#ifdef METRICS_STORE_ENTRY_PRIVATE
@ -57,6 +58,8 @@ void metrics_store_entry_free_(metrics_store_entry_t *entry);
int64_t metrics_store_entry_get_value(const metrics_store_entry_t *entry);
bool metrics_store_entry_has_label(const metrics_store_entry_t *entry,
const char *label);
metrics_store_entry_t *metrics_store_find_entry_with_label(
const smartlist_t *entries, const char *label);
/* Modifiers. */
void metrics_store_entry_add_label(metrics_store_entry_t *entry,

19
src/test/test_hs_metrics.c
View File

@ -40,7 +40,7 @@ test_metrics(void *arg)
/* Update entry by identifier. */
hs_metrics_update_by_ident(HS_METRICS_NUM_INTRODUCTIONS,
&service->keys.identity_pk, 0, 42);
&service->keys.identity_pk, 0, NULL, 42);
/* Confirm the entry value. */
const smartlist_t *entries = metrics_store_get_all(service->metrics.store,
@ -53,24 +53,29 @@ test_metrics(void *arg)
/* Update entry by service now. */
hs_metrics_update_by_service(HS_METRICS_NUM_INTRODUCTIONS,
service, 0, 42);
service, 0, NULL, 42);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 84);
const char *reason = HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY;
/* Update tor_hs_intro_rejected_intro_req_count */
hs_metrics_update_by_ident(HS_METRICS_NUM_REJECTED_INTRO_REQ,
&service->keys.identity_pk, 0, 112);
&service->keys.identity_pk, 0, reason, 112);
entries = metrics_store_get_all(service->metrics.store,
"tor_hs_intro_rejected_intro_req_count");
tt_assert(entries);
tt_int_op(smartlist_len(entries), OP_EQ, 1);
entry = smartlist_get(entries, 0);
tt_int_op(smartlist_len(entries), OP_EQ,
hs_metrics_intro_req_error_reasons_size);
entry = metrics_store_find_entry_with_label(
entries, "reason=\"bad_auth_key\"");
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 112);
/* Update tor_hs_intro_rejected_intro_req_count entry by service now. */
hs_metrics_update_by_service(HS_METRICS_NUM_REJECTED_INTRO_REQ,
service, 0, 10);
hs_metrics_update_by_service(HS_METRICS_NUM_REJECTED_INTRO_REQ, service, 0,
reason, 10);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 122);
done:

92
src/test/test_hs_service.c
View File

@ -1229,14 +1229,34 @@ test_bad_introduce2(void *arg)
"an INTRODUCE2 cell on circuit");
teardown_capture_of_logs();
/* Make sure the tor_hs_intro_rejected_intro_req_count metric was
* incremented */
entries = metrics_store_get_all(service->metrics.store,
"tor_hs_intro_rejected_intro_req_count");
tt_assert(entries);
tt_int_op(smartlist_len(entries), OP_EQ, 1);
entry = smartlist_get(entries, 0);
/* There are `hs_metrics_intro_req_size` entries (one for each
* possible `reason` label value). */
tt_int_op(smartlist_len(entries), OP_EQ,
hs_metrics_intro_req_error_reasons_size);
/* Make sure the tor_hs_intro_rejected_intro_req_count metric was
* only incremented for reason HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY. */
for (size_t i = 0; i < hs_metrics_intro_req_error_reasons_size; ++i) {
const char *reason = hs_metrics_intro_req_error_reasons[i];
if (!strcmp(reason, HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY)) {
continue;
}
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", reason));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 0);
}
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 1);
@ -1257,8 +1277,31 @@ test_bad_introduce2(void *arg)
tt_u64_op(ip->introduce2_count, OP_EQ, 0);
/* Make sure the tor_hs_intro_rejected_intro_req_count metric was incremented
* a second time */
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 2);
* a second time, this time, with reason="invalid_introduce2_cell". */
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", HS_METRICS_ERR_INTRO_REQ_INTRODUCE2));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 1);
/* The metric entries with other reason labels are unaffected */
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", HS_METRICS_ERR_INTRO_REQ_SUBCREDENTIAL));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 0);
entry = metrics_store_find_entry_with_label(
entries, metrics_format_label(
"reason", HS_METRICS_ERR_INTRO_REQ_INTRODUCE2_REPLAY));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 0);
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", HS_METRICS_ERR_INTRO_REQ_BAD_AUTH_KEY));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 1);
done:
or_state_free(dummy_state);
@ -2293,6 +2336,8 @@ test_intro2_handling(void *arg)
/* Disable onionbalance */
x_service.config.ob_master_pubkeys = NULL;
x_service.state.replay_cache_rend_cookie = replaycache_new(0,0);
/* Initialize the metrics store */
hs_metrics_service_init(&x_service);
/* Create subcredential for x: */
ed25519_keypair_t x_identity_keypair;
@ -2456,6 +2501,20 @@ test_intro2_handling(void *arg)
(uint8_t*)relay_payload, relay_payload_len);
tt_int_op(retval, OP_EQ, 0);
/* We haven't encountered any errors yet, so all the introduction request
* error metrics should be 0 */
const smartlist_t *entries = metrics_store_get_all(
x_service.metrics.store, "tor_hs_intro_rejected_intro_req_count");
const metrics_store_entry_t *entry = NULL;
for (size_t i = 0; i < hs_metrics_intro_req_error_reasons_size; ++i) {
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", hs_metrics_intro_req_error_reasons[i]));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 0);
}
/* ************************************************************ */
/* Act IV:
@ -2473,6 +2532,11 @@ test_intro2_handling(void *arg)
tt_int_op(retval, OP_EQ, -1);
expect_log_msg_containing("with the same ENCRYPTED section");
teardown_capture_of_logs();
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", HS_METRICS_ERR_INTRO_REQ_INTRODUCE2));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 1);
/* Now cleanup the intro point replay cache but not the service replay cache
and see that this one triggers this time. */
@ -2487,6 +2551,12 @@ test_intro2_handling(void *arg)
expect_log_msg_containing("with same REND_COOKIE");
teardown_capture_of_logs();
entry = metrics_store_find_entry_with_label(
entries, metrics_format_label(
"reason", HS_METRICS_ERR_INTRO_REQ_INTRODUCE2_REPLAY));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 1);
/* Now just to make sure cleanup both replay caches and make sure that the
cell gets through */
replaycache_free(x_ip->replay_cache);
@ -2499,6 +2569,9 @@ test_intro2_handling(void *arg)
(uint8_t*)relay_payload, relay_payload_len);
tt_int_op(retval, OP_EQ, 0);
/* This time, the error metric was *not* incremented */
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 1);
/* As a final thing, create an INTRODUCE1 cell from Alice to X using Y's
* subcred (should fail since Y is just another instance and not the frontend
* service!) */
@ -2515,7 +2588,13 @@ test_intro2_handling(void *arg)
intro_circ, x_ip,
&y_subcred,
(uint8_t*)relay_payload, relay_payload_len);
tt_int_op(retval, OP_EQ, -1);
entry = metrics_store_find_entry_with_label(
entries,
metrics_format_label("reason", HS_METRICS_ERR_INTRO_REQ_INTRODUCE2));
tt_assert(entry);
tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 2);
done:
/* Start cleaning up X */
@ -2524,6 +2603,7 @@ test_intro2_handling(void *arg)
tor_free(x_service.state.ob_subcreds);
service_descriptor_free(x_service.desc_current);
service_descriptor_free(x_service.desc_next);
hs_metrics_service_free(&x_service);
service_intro_point_free(x_ip);
/* Clean up Alice */