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tor/src/test/test.c
Taylor Yu f0f971409a Add tests for bootstrap tracker 
Part of ticket 27617.
2018-12-21 14:15:35 -05:00

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/* 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 */
/**
* \file test.c
* \brief Unit tests for many pieces of the lower level Tor modules.
**/
#include "orconfig.h"
#include "lib/crypt_ops/crypto_dh.h"
#include "lib/crypt_ops/crypto_rand.h"
#include "app/config/or_state_st.h"
#include <stdio.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef _WIN32
/* For mkdir() */
#include <direct.h>
#else
#include <dirent.h>
#endif /* defined(_WIN32) */
#include <math.h>
/* These macros pull in declarations for some functions and structures that
* are typically file-private. */
#define ROUTER_PRIVATE
#define CIRCUITSTATS_PRIVATE
#define CIRCUITLIST_PRIVATE
#define MAINLOOP_PRIVATE
#define STATEFILE_PRIVATE
#include "core/or/or.h"
#include "lib/err/backtrace.h"
#include "lib/buf/buffers.h"
#include "core/or/circuitlist.h"
#include "core/or/circuitstats.h"
#include "lib/compress/compress.h"
#include "app/config/config.h"
#include "core/or/connection_edge.h"
#include "feature/rend/rendcommon.h"
#include "feature/rend/rendcache.h"
#include "feature/rend/rendparse.h"
#include "test/test.h"
#include "core/mainloop/mainloop.h"
#include "lib/memarea/memarea.h"
#include "core/or/onion.h"
#include "core/crypto/onion_ntor.h"
#include "core/crypto/onion_fast.h"
#include "core/crypto/onion_tap.h"
#include "core/or/policies.h"
#include "feature/stats/rephist.h"
#include "app/config/statefile.h"
#include "lib/crypt_ops/crypto_curve25519.h"
#include "core/or/extend_info_st.h"
#include "core/or/or_circuit_st.h"
#include "feature/rend/rend_encoded_v2_service_descriptor_st.h"
#include "feature/rend/rend_intro_point_st.h"
#include "feature/rend/rend_service_descriptor_st.h"
#include "feature/relay/onion_queue.h"
/** Run unit tests for the onion handshake code. */
static void
test_onion_handshake(void *arg)
{
/* client-side */
crypto_dh_t *c_dh = NULL;
char c_buf[TAP_ONIONSKIN_CHALLENGE_LEN];
char c_keys[40];
/* server-side */
char s_buf[TAP_ONIONSKIN_REPLY_LEN];
char s_keys[40];
int i;
/* shared */
crypto_pk_t *pk = NULL, *pk2 = NULL;
(void)arg;
pk = pk_generate(0);
pk2 = pk_generate(1);
/* client handshake 1. */
memset(c_buf, 0, TAP_ONIONSKIN_CHALLENGE_LEN);
tt_assert(! onion_skin_TAP_create(pk, &c_dh, c_buf));
for (i = 1; i <= 3; ++i) {
crypto_pk_t *k1, *k2;
if (i==1) {
/* server handshake: only one key known. */
k1 = pk; k2 = NULL;
} else if (i==2) {
/* server handshake: try the right key first. */
k1 = pk; k2 = pk2;
} else {
/* server handshake: try the right key second. */
k1 = pk2; k2 = pk;
}
memset(s_buf, 0, TAP_ONIONSKIN_REPLY_LEN);
memset(s_keys, 0, 40);
tt_assert(! onion_skin_TAP_server_handshake(c_buf, k1, k2,
s_buf, s_keys, 40));
/* client handshake 2 */
memset(c_keys, 0, 40);
tt_assert(! onion_skin_TAP_client_handshake(c_dh, s_buf, c_keys,
40, NULL));
tt_mem_op(c_keys,OP_EQ, s_keys, 40);
memset(s_buf, 0, 40);
tt_mem_op(c_keys,OP_NE, s_buf, 40);
}
done:
crypto_dh_free(c_dh);
crypto_pk_free(pk);
crypto_pk_free(pk2);
}
static void
test_bad_onion_handshake(void *arg)
{
char junk_buf[TAP_ONIONSKIN_CHALLENGE_LEN];
char junk_buf2[TAP_ONIONSKIN_CHALLENGE_LEN];
/* client-side */
crypto_dh_t *c_dh = NULL;
char c_buf[TAP_ONIONSKIN_CHALLENGE_LEN];
char c_keys[40];
/* server-side */
char s_buf[TAP_ONIONSKIN_REPLY_LEN];
char s_keys[40];
/* shared */
crypto_pk_t *pk = NULL, *pk2 = NULL;
(void)arg;
pk = pk_generate(0);
pk2 = pk_generate(1);
/* Server: Case 1: the encrypted data is degenerate. */
memset(junk_buf, 0, sizeof(junk_buf));
crypto_pk_obsolete_public_hybrid_encrypt(pk,
junk_buf2, TAP_ONIONSKIN_CHALLENGE_LEN,
junk_buf, DH1024_KEY_LEN,
PK_PKCS1_OAEP_PADDING, 1);
tt_int_op(-1, OP_EQ,
onion_skin_TAP_server_handshake(junk_buf2, pk, NULL,
s_buf, s_keys, 40));
/* Server: Case 2: the encrypted data is not long enough. */
memset(junk_buf, 0, sizeof(junk_buf));
memset(junk_buf2, 0, sizeof(junk_buf2));
crypto_pk_public_encrypt(pk, junk_buf2, sizeof(junk_buf2),
junk_buf, 48, PK_PKCS1_OAEP_PADDING);
tt_int_op(-1, OP_EQ,
onion_skin_TAP_server_handshake(junk_buf2, pk, NULL,
s_buf, s_keys, 40));
/* client handshake 1: do it straight. */
memset(c_buf, 0, TAP_ONIONSKIN_CHALLENGE_LEN);
tt_assert(! onion_skin_TAP_create(pk, &c_dh, c_buf));
/* Server: Case 3: we just don't have the right key. */
tt_int_op(-1, OP_EQ,
onion_skin_TAP_server_handshake(c_buf, pk2, NULL,
s_buf, s_keys, 40));
/* Server: Case 4: The RSA-encrypted portion is corrupt. */
c_buf[64] ^= 33;
tt_int_op(-1, OP_EQ,
onion_skin_TAP_server_handshake(c_buf, pk, NULL,
s_buf, s_keys, 40));
c_buf[64] ^= 33;
/* (Let the server proceed) */
tt_int_op(0, OP_EQ,
onion_skin_TAP_server_handshake(c_buf, pk, NULL,
s_buf, s_keys, 40));
/* Client: Case 1: The server sent back junk. */
const char *msg = NULL;
s_buf[64] ^= 33;
tt_int_op(-1, OP_EQ,
onion_skin_TAP_client_handshake(c_dh, s_buf, c_keys, 40, &msg));
s_buf[64] ^= 33;
tt_str_op(msg, OP_EQ, "Digest DOES NOT MATCH on onion handshake. "
"Bug or attack.");
/* Let the client finish; make sure it can. */
msg = NULL;
tt_int_op(0, OP_EQ,
onion_skin_TAP_client_handshake(c_dh, s_buf, c_keys, 40, &msg));
tt_mem_op(s_keys,OP_EQ, c_keys, 40);
tt_ptr_op(msg, OP_EQ, NULL);
/* Client: Case 2: The server sent back a degenerate DH. */
memset(s_buf, 0, sizeof(s_buf));
tt_int_op(-1, OP_EQ,
onion_skin_TAP_client_handshake(c_dh, s_buf, c_keys, 40, &msg));
tt_str_op(msg, OP_EQ, "DH computation failed.");
done:
crypto_dh_free(c_dh);
crypto_pk_free(pk);
crypto_pk_free(pk2);
}
static void
test_ntor_handshake(void *arg)
{
/* client-side */
ntor_handshake_state_t *c_state = NULL;
uint8_t c_buf[NTOR_ONIONSKIN_LEN];
uint8_t c_keys[400];
/* server-side */
di_digest256_map_t *s_keymap=NULL;
curve25519_keypair_t s_keypair;
uint8_t s_buf[NTOR_REPLY_LEN];
uint8_t s_keys[400];
/* shared */
const curve25519_public_key_t *server_pubkey;
uint8_t node_id[20] = "abcdefghijklmnopqrst";
(void) arg;
/* Make the server some keys */
curve25519_secret_key_generate(&s_keypair.seckey, 0);
curve25519_public_key_generate(&s_keypair.pubkey, &s_keypair.seckey);
dimap_add_entry(&s_keymap, s_keypair.pubkey.public_key, &s_keypair);
server_pubkey = &s_keypair.pubkey;
/* client handshake 1. */
memset(c_buf, 0, NTOR_ONIONSKIN_LEN);
tt_int_op(0, OP_EQ, onion_skin_ntor_create(node_id, server_pubkey,
&c_state, c_buf));
/* server handshake */
memset(s_buf, 0, NTOR_REPLY_LEN);
memset(s_keys, 0, 40);
tt_int_op(0, OP_EQ, onion_skin_ntor_server_handshake(c_buf, s_keymap, NULL,
node_id,
s_buf, s_keys, 400));
/* client handshake 2 */
memset(c_keys, 0, 40);
tt_int_op(0, OP_EQ, onion_skin_ntor_client_handshake(c_state, s_buf,
c_keys, 400, NULL));
tt_mem_op(c_keys,OP_EQ, s_keys, 400);
memset(s_buf, 0, 40);
tt_mem_op(c_keys,OP_NE, s_buf, 40);
/* Now try with a bogus server response. Zero input should trigger
* All The Problems. */
memset(c_keys, 0, 400);
memset(s_buf, 0, NTOR_REPLY_LEN);
const char *msg = NULL;
tt_int_op(-1, OP_EQ, onion_skin_ntor_client_handshake(c_state, s_buf,
c_keys, 400, &msg));
tt_str_op(msg, OP_EQ, "Zero output from curve25519 handshake");
done:
ntor_handshake_state_free(c_state);
dimap_free(s_keymap, NULL);
}
static void
test_fast_handshake(void *arg)
{
/* tests for the obsolete "CREATE_FAST" handshake. */
(void) arg;
fast_handshake_state_t *state = NULL;
uint8_t client_handshake[CREATE_FAST_LEN];
uint8_t server_handshake[CREATED_FAST_LEN];
uint8_t s_keys[100], c_keys[100];
/* First, test an entire handshake. */
memset(client_handshake, 0, sizeof(client_handshake));
tt_int_op(0, OP_EQ, fast_onionskin_create(&state, client_handshake));
tt_assert(! tor_mem_is_zero((char*)client_handshake,
sizeof(client_handshake)));
tt_int_op(0, OP_EQ,
fast_server_handshake(client_handshake, server_handshake,
s_keys, 100));
const char *msg = NULL;
tt_int_op(0, OP_EQ,
fast_client_handshake(state, server_handshake, c_keys, 100, &msg));
tt_ptr_op(msg, OP_EQ, NULL);
tt_mem_op(s_keys, OP_EQ, c_keys, 100);
/* Now test a failing handshake. */
server_handshake[0] ^= 3;
tt_int_op(-1, OP_EQ,
fast_client_handshake(state, server_handshake, c_keys, 100, &msg));
tt_str_op(msg, OP_EQ, "Digest DOES NOT MATCH on fast handshake. "
"Bug or attack.");
done:
fast_handshake_state_free(state);
}
/** Run unit tests for the onion queues. */
static void
test_onion_queues(void *arg)
{
uint8_t buf1[TAP_ONIONSKIN_CHALLENGE_LEN] = {0};
uint8_t buf2[NTOR_ONIONSKIN_LEN] = {0};
or_circuit_t *circ1 = or_circuit_new(0, NULL);
or_circuit_t *circ2 = or_circuit_new(0, NULL);
create_cell_t *onionskin = NULL, *create2_ptr;
create_cell_t *create1 = tor_malloc_zero(sizeof(create_cell_t));
create_cell_t *create2 = tor_malloc_zero(sizeof(create_cell_t));
(void)arg;
create2_ptr = create2; /* remember, but do not free */
create_cell_init(create1, CELL_CREATE, ONION_HANDSHAKE_TYPE_TAP,
TAP_ONIONSKIN_CHALLENGE_LEN, buf1);
create_cell_init(create2, CELL_CREATE, ONION_HANDSHAKE_TYPE_NTOR,
NTOR_ONIONSKIN_LEN, buf2);
tt_int_op(0,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_TAP));
tt_int_op(0,OP_EQ, onion_pending_add(circ1, create1));
create1 = NULL;
tt_int_op(1,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_TAP));
tt_int_op(0,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_NTOR));
tt_int_op(0,OP_EQ, onion_pending_add(circ2, create2));
create2 = NULL;
tt_int_op(1,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_NTOR));
tt_ptr_op(circ2,OP_EQ, onion_next_task(&onionskin));
tt_int_op(1,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_TAP));
tt_int_op(0,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_NTOR));
tt_ptr_op(onionskin, OP_EQ, create2_ptr);
clear_pending_onions();
tt_int_op(0,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_TAP));
tt_int_op(0,OP_EQ, onion_num_pending(ONION_HANDSHAKE_TYPE_NTOR));
done:
circuit_free_(TO_CIRCUIT(circ1));
circuit_free_(TO_CIRCUIT(circ2));
tor_free(create1);
tor_free(create2);
tor_free(onionskin);
}
static crypto_cipher_t *crypto_rand_aes_cipher = NULL;
// Mock replacement for crypto_rand: Generates bytes from a provided AES_CTR
// cipher in <b>crypto_rand_aes_cipher</b>.
static void
crypto_rand_deterministic_aes(char *out, size_t n)
{
tor_assert(crypto_rand_aes_cipher);
memset(out, 0, n);
crypto_cipher_crypt_inplace(crypto_rand_aes_cipher, out, n);
}
static void
test_circuit_timeout(void *arg)
{
/* Plan:
* 1. Generate 1000 samples
* 2. Estimate parameters
* 3. If difference, repeat
* 4. Save state
* 5. load state
* 6. Estimate parameters
* 7. compare differences
*/
circuit_build_times_t initial;
circuit_build_times_t estimate;
circuit_build_times_t final;
double timeout1, timeout2;
or_state_t *state=NULL;
int i, runs;
double close_ms;
(void)arg;
initialize_periodic_events();
circuit_build_times_init(&initial);
circuit_build_times_init(&estimate);
circuit_build_times_init(&final);
state = or_state_new();
// Use a deterministic RNG here, or else we'll get nondeterministic
// coverage in some of the circuitstats functions.
MOCK(crypto_rand, crypto_rand_deterministic_aes);
crypto_rand_aes_cipher = crypto_cipher_new("xyzzyplughplover");
circuitbuild_running_unit_tests();
#define timeout0 (build_time_t)(30*1000.0)
initial.Xm = 3000;
circuit_build_times_initial_alpha(&initial,
CBT_DEFAULT_QUANTILE_CUTOFF/100.0,
timeout0);
close_ms = MAX(circuit_build_times_calculate_timeout(&initial,
CBT_DEFAULT_CLOSE_QUANTILE/100.0),
CBT_DEFAULT_TIMEOUT_INITIAL_VALUE);
do {
for (i=0; i < CBT_DEFAULT_MIN_CIRCUITS_TO_OBSERVE; i++) {
build_time_t sample = circuit_build_times_generate_sample(&initial,0,1);
if (sample > close_ms) {
circuit_build_times_add_time(&estimate, CBT_BUILD_ABANDONED);
} else {
circuit_build_times_add_time(&estimate, sample);
}
}
circuit_build_times_update_alpha(&estimate);
timeout1 = circuit_build_times_calculate_timeout(&estimate,
CBT_DEFAULT_QUANTILE_CUTOFF/100.0);
circuit_build_times_set_timeout(&estimate);
log_notice(LD_CIRC, "Timeout1 is %f, Xm is %d", timeout1, estimate.Xm);
/* 2% error */
} while (fabs(circuit_build_times_cdf(&initial, timeout0) -
circuit_build_times_cdf(&initial, timeout1)) > 0.02);
tt_int_op(estimate.total_build_times, OP_LE, CBT_NCIRCUITS_TO_OBSERVE);
circuit_build_times_update_state(&estimate, state);
circuit_build_times_free_timeouts(&final);
tt_int_op(circuit_build_times_parse_state(&final, state), OP_EQ, 0);
circuit_build_times_update_alpha(&final);
timeout2 = circuit_build_times_calculate_timeout(&final,
CBT_DEFAULT_QUANTILE_CUTOFF/100.0);
circuit_build_times_set_timeout(&final);
log_notice(LD_CIRC, "Timeout2 is %f, Xm is %d", timeout2, final.Xm);
/* 5% here because some accuracy is lost due to histogram conversion */
tt_assert(fabs(circuit_build_times_cdf(&initial, timeout0) -
circuit_build_times_cdf(&initial, timeout2)) < 0.05);
for (runs = 0; runs < 50; runs++) {
int build_times_idx = 0;
int total_build_times = 0;
final.close_ms = final.timeout_ms = CBT_DEFAULT_TIMEOUT_INITIAL_VALUE;
estimate.close_ms = estimate.timeout_ms
= CBT_DEFAULT_TIMEOUT_INITIAL_VALUE;
for (i = 0; i < CBT_DEFAULT_RECENT_CIRCUITS*2; i++) {
circuit_build_times_network_circ_success(&estimate);
circuit_build_times_add_time(&estimate,
circuit_build_times_generate_sample(&estimate, 0,
CBT_DEFAULT_QUANTILE_CUTOFF/100.0));
circuit_build_times_network_circ_success(&estimate);
circuit_build_times_add_time(&final,
circuit_build_times_generate_sample(&final, 0,
CBT_DEFAULT_QUANTILE_CUTOFF/100.0));
}
tt_assert(!circuit_build_times_network_check_changed(&estimate));
tt_assert(!circuit_build_times_network_check_changed(&final));
/* Reset liveness to be non-live */
final.liveness.network_last_live = 0;
estimate.liveness.network_last_live = 0;
build_times_idx = estimate.build_times_idx;
total_build_times = estimate.total_build_times;
tt_assert(circuit_build_times_network_check_live(&estimate));
tt_assert(circuit_build_times_network_check_live(&final));
circuit_build_times_count_close(&estimate, 0,
(time_t)(approx_time()-estimate.close_ms/1000.0-1));
circuit_build_times_count_close(&final, 0,
(time_t)(approx_time()-final.close_ms/1000.0-1));
tt_assert(!circuit_build_times_network_check_live(&estimate));
tt_assert(!circuit_build_times_network_check_live(&final));
log_info(LD_CIRC, "idx: %d %d, tot: %d %d",
build_times_idx, estimate.build_times_idx,
total_build_times, estimate.total_build_times);
/* Check rollback index. Should match top of loop. */
tt_assert(build_times_idx == estimate.build_times_idx);
// This can fail if estimate.total_build_times == 1000, because
// in that case, rewind actually causes us to lose timeouts
if (total_build_times != CBT_NCIRCUITS_TO_OBSERVE)
tt_assert(total_build_times == estimate.total_build_times);
/* Now simulate that the network has become live and we need
* a change */
circuit_build_times_network_is_live(&estimate);
circuit_build_times_network_is_live(&final);
for (i = 0; i < CBT_DEFAULT_MAX_RECENT_TIMEOUT_COUNT; i++) {
circuit_build_times_count_timeout(&estimate, 1);
if (i < CBT_DEFAULT_MAX_RECENT_TIMEOUT_COUNT-1) {
circuit_build_times_count_timeout(&final, 1);
}
}
tt_int_op(estimate.liveness.after_firsthop_idx, OP_EQ, 0);
tt_assert(final.liveness.after_firsthop_idx ==
CBT_DEFAULT_MAX_RECENT_TIMEOUT_COUNT-1);
tt_assert(circuit_build_times_network_check_live(&estimate));
tt_assert(circuit_build_times_network_check_live(&final));
circuit_build_times_count_timeout(&final, 1);
/* Ensure return value for degenerate cases are clamped correctly */
initial.alpha = INT32_MAX;
tt_assert(circuit_build_times_calculate_timeout(&initial, .99999999) <=
INT32_MAX);
initial.alpha = 0;
tt_assert(circuit_build_times_calculate_timeout(&initial, .5) <=
INT32_MAX);
}
done:
circuit_build_times_free_timeouts(&initial);
circuit_build_times_free_timeouts(&estimate);
circuit_build_times_free_timeouts(&final);
or_state_free(state);
teardown_periodic_events();
UNMOCK(crypto_rand);
crypto_cipher_free(crypto_rand_aes_cipher);
}
/** Test encoding and parsing of rendezvous service descriptors. */
static void
test_rend_fns(void *arg)
{
rend_service_descriptor_t *generated = NULL, *parsed = NULL;
char service_id[DIGEST_LEN];
char service_id_base32[REND_SERVICE_ID_LEN_BASE32+1];
const char *next_desc;
smartlist_t *descs = smartlist_new();
char computed_desc_id[DIGEST_LEN];
char parsed_desc_id[DIGEST_LEN];
crypto_pk_t *pk1 = NULL, *pk2 = NULL;
time_t now;
char *intro_points_encrypted = NULL;
size_t intro_points_size;
size_t encoded_size;
int i;
(void)arg;
/* Initialize the service cache. */
rend_cache_init();
pk1 = pk_generate(0);
pk2 = pk_generate(1);
generated = tor_malloc_zero(sizeof(rend_service_descriptor_t));
generated->pk = crypto_pk_dup_key(pk1);
crypto_pk_get_digest(generated->pk, service_id);
base32_encode(service_id_base32, REND_SERVICE_ID_LEN_BASE32+1,
service_id, REND_SERVICE_ID_LEN);
now = time(NULL);
generated->timestamp = now;
generated->version = 2;
generated->protocols = 42;
generated->intro_nodes = smartlist_new();
for (i = 0; i < 3; i++) {
rend_intro_point_t *intro = tor_malloc_zero(sizeof(rend_intro_point_t));
crypto_pk_t *okey = pk_generate(2 + i);
intro->extend_info = tor_malloc_zero(sizeof(extend_info_t));
intro->extend_info->onion_key = okey;
crypto_pk_get_digest(intro->extend_info->onion_key,
intro->extend_info->identity_digest);
//crypto_rand(info->identity_digest, DIGEST_LEN); /* Would this work? */
intro->extend_info->nickname[0] = '$';
base16_encode(intro->extend_info->nickname + 1,
sizeof(intro->extend_info->nickname) - 1,
intro->extend_info->identity_digest, DIGEST_LEN);
/* Does not cover all IP addresses. */
tor_addr_from_ipv4h(&intro->extend_info->addr, crypto_rand_int(65536));
intro->extend_info->port = 1 + crypto_rand_int(65535);
intro->intro_key = crypto_pk_dup_key(pk2);
smartlist_add(generated->intro_nodes, intro);
}
int rv = rend_encode_v2_descriptors(descs, generated, now, 0,
REND_NO_AUTH, NULL, NULL);
tt_int_op(rv, OP_GT, 0);
rv = rend_compute_v2_desc_id(computed_desc_id, service_id_base32, NULL,
now, 0);
tt_int_op(rv, OP_EQ, 0);
tt_mem_op(((rend_encoded_v2_service_descriptor_t *)
smartlist_get(descs, 0))->desc_id, OP_EQ,
computed_desc_id, DIGEST_LEN);
rv = rend_parse_v2_service_descriptor(&parsed, parsed_desc_id,
&intro_points_encrypted, &intro_points_size, &encoded_size,
&next_desc,
((rend_encoded_v2_service_descriptor_t *)smartlist_get(descs, 0))
->desc_str, 1);
tt_int_op(rv, OP_EQ, 0);
tt_assert(parsed);
tt_mem_op(((rend_encoded_v2_service_descriptor_t *)
smartlist_get(descs, 0))->desc_id,OP_EQ, parsed_desc_id, DIGEST_LEN);
tt_int_op(rend_parse_introduction_points(parsed, intro_points_encrypted,
intro_points_size),OP_EQ, 3);
tt_assert(!crypto_pk_cmp_keys(generated->pk, parsed->pk));
tt_int_op(parsed->timestamp,OP_EQ, now);
tt_int_op(parsed->version,OP_EQ, 2);
tt_int_op(parsed->protocols,OP_EQ, 42);
tt_int_op(smartlist_len(parsed->intro_nodes),OP_EQ, 3);
for (i = 0; i < smartlist_len(parsed->intro_nodes); i++) {
rend_intro_point_t *par_intro = smartlist_get(parsed->intro_nodes, i),
*gen_intro = smartlist_get(generated->intro_nodes, i);
extend_info_t *par_info = par_intro->extend_info;
extend_info_t *gen_info = gen_intro->extend_info;
tt_assert(!crypto_pk_cmp_keys(gen_info->onion_key, par_info->onion_key));
tt_mem_op(gen_info->identity_digest,OP_EQ, par_info->identity_digest,
DIGEST_LEN);
tt_str_op(gen_info->nickname,OP_EQ, par_info->nickname);
tt_assert(tor_addr_eq(&gen_info->addr, &par_info->addr));
tt_int_op(gen_info->port,OP_EQ, par_info->port);
}
rend_service_descriptor_free(parsed);
rend_service_descriptor_free(generated);
parsed = generated = NULL;
done:
if (descs) {
for (i = 0; i < smartlist_len(descs); i++)
rend_encoded_v2_service_descriptor_free_(smartlist_get(descs, i));
smartlist_free(descs);
}
if (parsed)
rend_service_descriptor_free(parsed);
if (generated)
rend_service_descriptor_free(generated);
if (pk1)
crypto_pk_free(pk1);
if (pk2)
crypto_pk_free(pk2);
tor_free(intro_points_encrypted);
}
/** Run unit tests for stats code. */
static void
test_stats(void *arg)
{
time_t now = 1281533250; /* 2010-08-11 13:27:30 UTC */
char *s = NULL;
int i;
/* Start with testing exit port statistics; we shouldn't collect exit
* stats without initializing them. */
(void)arg;
rep_hist_note_exit_stream_opened(80);
rep_hist_note_exit_bytes(80, 100, 10000);
s = rep_hist_format_exit_stats(now + 86400);
tt_ptr_op(s, OP_EQ, NULL);
/* Initialize stats, note some streams and bytes, and generate history
* string. */
rep_hist_exit_stats_init(now);
rep_hist_note_exit_stream_opened(80);
rep_hist_note_exit_bytes(80, 100, 10000);
rep_hist_note_exit_stream_opened(443);
rep_hist_note_exit_bytes(443, 100, 10000);
rep_hist_note_exit_bytes(443, 100, 10000);
s = rep_hist_format_exit_stats(now + 86400);
tt_str_op("exit-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"exit-kibibytes-written 80=1,443=1,other=0\n"
"exit-kibibytes-read 80=10,443=20,other=0\n"
"exit-streams-opened 80=4,443=4,other=0\n",OP_EQ, s);
tor_free(s);
/* Add a few bytes on 10 more ports and ensure that only the top 10
* ports are contained in the history string. */
for (i = 50; i < 60; i++) {
rep_hist_note_exit_bytes(i, i, i);
rep_hist_note_exit_stream_opened(i);
}
s = rep_hist_format_exit_stats(now + 86400);
tt_str_op("exit-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"exit-kibibytes-written 52=1,53=1,54=1,55=1,56=1,57=1,58=1,"
"59=1,80=1,443=1,other=1\n"
"exit-kibibytes-read 52=1,53=1,54=1,55=1,56=1,57=1,58=1,"
"59=1,80=10,443=20,other=1\n"
"exit-streams-opened 52=4,53=4,54=4,55=4,56=4,57=4,58=4,"
"59=4,80=4,443=4,other=4\n",OP_EQ, s);
tor_free(s);
/* Stop collecting stats, add some bytes, and ensure we don't generate
* a history string. */
rep_hist_exit_stats_term();
rep_hist_note_exit_bytes(80, 100, 10000);
s = rep_hist_format_exit_stats(now + 86400);
tt_ptr_op(s, OP_EQ, NULL);
/* Re-start stats, add some bytes, reset stats, and see what history we
* get when observing no streams or bytes at all. */
rep_hist_exit_stats_init(now);
rep_hist_note_exit_stream_opened(80);
rep_hist_note_exit_bytes(80, 100, 10000);
rep_hist_reset_exit_stats(now);
s = rep_hist_format_exit_stats(now + 86400);
tt_str_op("exit-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"exit-kibibytes-written other=0\n"
"exit-kibibytes-read other=0\n"
"exit-streams-opened other=0\n",OP_EQ, s);
tor_free(s);
/* Continue with testing connection statistics; we shouldn't collect
* conn stats without initializing them. */
rep_hist_note_or_conn_bytes(1, 20, 400, now);
s = rep_hist_format_conn_stats(now + 86400);
tt_ptr_op(s, OP_EQ, NULL);
/* Initialize stats, note bytes, and generate history string. */
rep_hist_conn_stats_init(now);
rep_hist_note_or_conn_bytes(1, 30000, 400000, now);
rep_hist_note_or_conn_bytes(1, 30000, 400000, now + 5);
rep_hist_note_or_conn_bytes(2, 400000, 30000, now + 10);
rep_hist_note_or_conn_bytes(2, 400000, 30000, now + 15);
s = rep_hist_format_conn_stats(now + 86400);
tt_str_op("conn-bi-direct 2010-08-12 13:27:30 (86400 s) 0,0,1,0\n",OP_EQ, s);
tor_free(s);
/* Stop collecting stats, add some bytes, and ensure we don't generate
* a history string. */
rep_hist_conn_stats_term();
rep_hist_note_or_conn_bytes(2, 400000, 30000, now + 15);
s = rep_hist_format_conn_stats(now + 86400);
tt_ptr_op(s, OP_EQ, NULL);
/* Re-start stats, add some bytes, reset stats, and see what history we
* get when observing no bytes at all. */
rep_hist_conn_stats_init(now);
rep_hist_note_or_conn_bytes(1, 30000, 400000, now);
rep_hist_note_or_conn_bytes(1, 30000, 400000, now + 5);
rep_hist_note_or_conn_bytes(2, 400000, 30000, now + 10);
rep_hist_note_or_conn_bytes(2, 400000, 30000, now + 15);
rep_hist_reset_conn_stats(now);
s = rep_hist_format_conn_stats(now + 86400);
tt_str_op("conn-bi-direct 2010-08-12 13:27:30 (86400 s) 0,0,0,0\n",OP_EQ, s);
tor_free(s);
/* Continue with testing buffer statistics; we shouldn't collect buffer
* stats without initializing them. */
rep_hist_add_buffer_stats(2.0, 2.0, 20);
s = rep_hist_format_buffer_stats(now + 86400);
tt_ptr_op(s, OP_EQ, NULL);
/* Initialize stats, add statistics for a single circuit, and generate
* the history string. */
rep_hist_buffer_stats_init(now);
rep_hist_add_buffer_stats(2.0, 2.0, 20);
s = rep_hist_format_buffer_stats(now + 86400);
tt_str_op("cell-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"cell-processed-cells 20,0,0,0,0,0,0,0,0,0\n"
"cell-queued-cells 2.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,"
"0.00,0.00\n"
"cell-time-in-queue 2,0,0,0,0,0,0,0,0,0\n"
"cell-circuits-per-decile 1\n",OP_EQ, s);
tor_free(s);
/* Add nineteen more circuit statistics to the one that's already in the
* history to see that the math works correctly. */
for (i = 21; i < 30; i++)
rep_hist_add_buffer_stats(2.0, 2.0, i);
for (i = 20; i < 30; i++)
rep_hist_add_buffer_stats(3.5, 3.5, i);
s = rep_hist_format_buffer_stats(now + 86400);
tt_str_op("cell-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"cell-processed-cells 29,28,27,26,25,24,23,22,21,20\n"
"cell-queued-cells 2.75,2.75,2.75,2.75,2.75,2.75,2.75,2.75,"
"2.75,2.75\n"
"cell-time-in-queue 3,3,3,3,3,3,3,3,3,3\n"
"cell-circuits-per-decile 2\n",OP_EQ, s);
tor_free(s);
/* Stop collecting stats, add statistics for one circuit, and ensure we
* don't generate a history string. */
rep_hist_buffer_stats_term();
rep_hist_add_buffer_stats(2.0, 2.0, 20);
s = rep_hist_format_buffer_stats(now + 86400);
tt_ptr_op(s, OP_EQ, NULL);
/* Re-start stats, add statistics for one circuit, reset stats, and make
* sure that the history has all zeros. */
rep_hist_buffer_stats_init(now);
rep_hist_add_buffer_stats(2.0, 2.0, 20);
rep_hist_reset_buffer_stats(now);
s = rep_hist_format_buffer_stats(now + 86400);
tt_str_op("cell-stats-end 2010-08-12 13:27:30 (86400 s)\n"
"cell-processed-cells 0,0,0,0,0,0,0,0,0,0\n"
"cell-queued-cells 0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,"
"0.00,0.00\n"
"cell-time-in-queue 0,0,0,0,0,0,0,0,0,0\n"
"cell-circuits-per-decile 0\n",OP_EQ, s);
done:
tor_free(s);
}
#define ENT(name) \
{ #name, test_ ## name , 0, NULL, NULL }
#define FORK(name) \
{ #name, test_ ## name , TT_FORK, NULL, NULL }
static struct testcase_t test_array[] = {
ENT(onion_handshake),
{ "bad_onion_handshake", test_bad_onion_handshake, 0, NULL, NULL },
ENT(onion_queues),
{ "ntor_handshake", test_ntor_handshake, 0, NULL, NULL },
{ "fast_handshake", test_fast_handshake, 0, NULL, NULL },
FORK(circuit_timeout),
FORK(rend_fns),
FORK(stats),
END_OF_TESTCASES
};
struct testgroup_t testgroups[] = {
{ "", test_array },
{ "accounting/", accounting_tests },
{ "addr/", addr_tests },
{ "address/", address_tests },
{ "address_set/", address_set_tests },
{ "bridges/", bridges_tests },
{ "buffer/", buffer_tests },
{ "bwmgt/", bwmgt_tests },
{ "cellfmt/", cell_format_tests },
{ "cellqueue/", cell_queue_tests },
{ "channel/", channel_tests },
{ "channelpadding/", channelpadding_tests },
{ "channeltls/", channeltls_tests },
{ "checkdir/", checkdir_tests },
{ "circuitbuild/", circuitbuild_tests },
{ "circuitlist/", circuitlist_tests },
{ "circuitmux/", circuitmux_tests },
{ "circuitstats/", circuitstats_tests },
{ "circuituse/", circuituse_tests },
{ "compat/libevent/", compat_libevent_tests },
{ "config/", config_tests },
{ "connection/", connection_tests },
{ "conscache/", conscache_tests },
{ "consdiff/", consdiff_tests },
{ "consdiffmgr/", consdiffmgr_tests },
{ "container/", container_tests },
{ "control/", controller_tests },
{ "control/btrack/", btrack_tests },
{ "control/event/", controller_event_tests },
{ "crypto/", crypto_tests },
{ "crypto/ope/", crypto_ope_tests },
#ifdef ENABLE_OPENSSL
{ "crypto/openssl/", crypto_openssl_tests },
#endif
{ "crypto/pem/", pem_tests },
{ "dir/", dir_tests },
{ "dir/md/", microdesc_tests },
{ "dir/voting/flags/", voting_flags_tests },
{ "dir/voting/schedule/", voting_schedule_tests },
{ "dir_handle_get/", dir_handle_get_tests },
{ "dns/", dns_tests },
{ "dos/", dos_tests },
{ "entryconn/", entryconn_tests },
{ "entrynodes/", entrynodes_tests },
{ "extorport/", extorport_tests },
{ "geoip/", geoip_tests },
{ "guardfraction/", guardfraction_tests },
{ "hs_cache/", hs_cache },
{ "hs_cell/", hs_cell_tests },
{ "hs_client/", hs_client_tests },
{ "hs_common/", hs_common_tests },
{ "hs_config/", hs_config_tests },
{ "hs_control/", hs_control_tests },
{ "hs_descriptor/", hs_descriptor },
{ "hs_intropoint/", hs_intropoint_tests },
{ "hs_ntor/", hs_ntor_tests },
{ "hs_service/", hs_service_tests },
{ "introduce/", introduce_tests },
{ "keypin/", keypin_tests },
{ "legacy_hs/", hs_tests },
{ "link-handshake/", link_handshake_tests },
{ "mainloop/", mainloop_tests },
{ "netinfo/", netinfo_tests },
{ "nodelist/", nodelist_tests },
{ "oom/", oom_tests },
{ "oos/", oos_tests },
{ "options/", options_tests },
{ "parsecommon/", parsecommon_tests },
{ "periodic-event/" , periodic_event_tests },
{ "policy/" , policy_tests },
{ "procmon/", procmon_tests },
{ "process/", process_tests },
{ "proto/http/", proto_http_tests },
{ "proto/misc/", proto_misc_tests },
{ "protover/", protover_tests },
{ "pt/", pt_tests },
{ "relay/" , relay_tests },
{ "relaycell/", relaycell_tests },
{ "relaycrypt/", relaycrypt_tests },
{ "rend_cache/", rend_cache_tests },
{ "replaycache/", replaycache_tests },
{ "router/", router_tests },
{ "routerkeys/", routerkeys_tests },
{ "routerlist/", routerlist_tests },
{ "routerset/" , routerset_tests },
{ "scheduler/", scheduler_tests },
{ "shared-random/", sr_tests },
{ "socks/", socks_tests },
{ "status/" , status_tests },
{ "storagedir/", storagedir_tests },
{ "tortls/", tortls_tests },
#ifndef ENABLE_NSS
{ "tortls/openssl/", tortls_openssl_tests },
#endif
{ "tortls/x509/", x509_tests },
{ "util/", util_tests },
{ "util/format/", util_format_tests },
{ "util/handle/", handle_tests },
{ "util/logging/", logging_tests },
{ "util/process/", util_process_tests },
{ "util/thread/", thread_tests },
END_OF_GROUPS
};
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