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730e4cfe82
toxcore/auto_tests/dht_test.c
iphydf 94b06818fb
Use do-while instead of while in tests. 
This forces all the loop bodies to be executed at least once, which is
harmless since it just means one more tox event loop iteration. This
reduces the jitter we see in coverage measurements, which is partially
caused by loops sometimes being entered and sometimes not (because their
condition happens to randomly already be true).
2018-08-25 15:25:33 +00:00

817 lines
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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "check_compat.h"
#include "../testing/misc_tools.h"
#include "../toxcore/crypto_core.h"
#ifndef DHT_C_INCLUDED
#include "../toxcore/DHT.c"
#endif // DHT_C_INCLUDED
#include "../toxcore/tox.h"
// These tests currently fail.
static bool enable_broken_tests = false;
#ifndef USE_IPV6
#define USE_IPV6 1
#endif
static inline IP get_loopback()
{
IP ip;
#if USE_IPV6
ip.family = net_family_ipv6;
ip.ip.v6 = get_ip6_loopback();
#else
ip.family = net_family_ipv4;
ip.ip.v4 = get_ip4_loopback();
#endif
return ip;
}
static void mark_bad(const Mono_Time *mono_time, IPPTsPng *ipptp)
{
ipptp->timestamp = mono_time_get(mono_time) - 2 * BAD_NODE_TIMEOUT;
ipptp->hardening.routes_requests_ok = 0;
ipptp->hardening.send_nodes_ok = 0;
ipptp->hardening.testing_requests = 0;
}
static void mark_possible_bad(const Mono_Time *mono_time, IPPTsPng *ipptp)
{
ipptp->timestamp = mono_time_get(mono_time);
ipptp->hardening.routes_requests_ok = 0;
ipptp->hardening.send_nodes_ok = 0;
ipptp->hardening.testing_requests = 0;
}
static void mark_good(const Mono_Time *mono_time, IPPTsPng *ipptp)
{
ipptp->timestamp = mono_time_get(mono_time);
ipptp->hardening.routes_requests_ok = (HARDENING_ALL_OK >> 0) & 1;
ipptp->hardening.send_nodes_ok = (HARDENING_ALL_OK >> 1) & 1;
ipptp->hardening.testing_requests = (HARDENING_ALL_OK >> 2) & 1;
}
static void mark_all_good(const Mono_Time *mono_time, Client_data *list, uint32_t length, uint8_t ipv6)
{
uint32_t i;
for (i = 0; i < length; ++i) {
if (ipv6) {
mark_good(mono_time, &list[i].assoc6);
} else {
mark_good(mono_time, &list[i].assoc4);
}
}
}
/* Returns 1 if public_key has a furthest distance to comp_client_id
than all public_key's in the list */
static uint8_t is_furthest(const uint8_t *comp_client_id, Client_data *list, uint32_t length, const uint8_t *public_key)
{
uint32_t i;
for (i = 0; i < length; ++i) {
if (id_closest(comp_client_id, public_key, list[i].public_key) == 1) {
return 0;
}
}
return 1;
}
static int client_in_list(Client_data *list, uint32_t length, const uint8_t *public_key)
{
uint32_t i;
for (i = 0; i < length; ++i) {
if (id_equal(public_key, list[i].public_key)) {
return i;
}
}
return -1;
}
static void test_addto_lists_update(DHT *dht,
Client_data *list,
uint32_t length,
IP_Port *ip_port)
{
uint32_t used, test, test1, test2, found;
IP_Port test_ipp;
uint8_t test_id[CRYPTO_PUBLIC_KEY_SIZE];
uint8_t ipv6 = net_family_is_ipv6(ip_port->ip.family) ? 1 : 0;
// check id update for existing ip_port
test = random_u32() % length;
ipport_copy(&test_ipp, ipv6 ? &list[test].assoc6.ip_port : &list[test].assoc4.ip_port);
random_bytes(test_id, sizeof(test_id));
used = addto_lists(dht, test_ipp, test_id);
ck_assert_msg(used >= 1, "Wrong number of added clients");
// it is possible to have ip_port duplicates in the list, so ip_port @ found not always equal to ip_port @ test
found = client_in_list(list, length, test_id);
ck_assert_msg(found >= 0, "Client id is not in the list");
ck_assert_msg(ipport_equal(&test_ipp, ipv6 ? &list[found].assoc6.ip_port : &list[found].assoc4.ip_port),
"Client IP_Port is incorrect");
// check ip_port update for existing id
test = random_u32() % length;
test_ipp.port = random_u32() % TOX_PORT_DEFAULT;
id_copy(test_id, list[test].public_key);
used = addto_lists(dht, test_ipp, test_id);
ck_assert_msg(used >= 1, "Wrong number of added clients");
// it is not possible to have id duplicates in the list, so id @ found must be equal id @ test
ck_assert_msg(client_in_list(list, length, test_id) == test, "Client id is not in the list");
ck_assert_msg(ipport_equal(&test_ipp, ipv6 ? &list[test].assoc6.ip_port : &list[test].assoc4.ip_port),
"Client IP_Port is incorrect");
// check ip_port update for existing id and ip_port (... port ... id ...)
test1 = random_u32() % (length / 2);
test2 = random_u32() % (length / 2) + length / 2;
ipport_copy(&test_ipp, ipv6 ? &list[test1].assoc6.ip_port : &list[test1].assoc4.ip_port);
id_copy(test_id, list[test2].public_key);
if (ipv6) {
list[test2].assoc6.ip_port.port = -1;
} else {
list[test2].assoc4.ip_port.port = -1;
}
used = addto_lists(dht, test_ipp, test_id);
ck_assert_msg(used >= 1, "Wrong number of added clients");
ck_assert_msg(client_in_list(list, length, test_id) == test2, "Client id is not in the list");
ck_assert_msg(ipport_equal(&test_ipp, ipv6 ? &list[test2].assoc6.ip_port : &list[test2].assoc4.ip_port),
"Client IP_Port is incorrect");
// check ip_port update for existing id and ip_port (... id ... port ...)
test1 = random_u32() % (length / 2);
test2 = random_u32() % (length / 2) + length / 2;
ipport_copy(&test_ipp, ipv6 ? &list[test2].assoc6.ip_port : &list[test2].assoc4.ip_port);
id_copy(test_id, list[test1].public_key);
if (ipv6) {
list[test1].assoc6.ip_port.port = -1;
} else {
list[test1].assoc4.ip_port.port = -1;
}
used = addto_lists(dht, test_ipp, test_id);
ck_assert_msg(used >= 1, "Wrong number of added clients");
ck_assert_msg(client_in_list(list, length, test_id) == test1, "Client id is not in the list");
ck_assert_msg(ipport_equal(&test_ipp, ipv6 ? &list[test1].assoc6.ip_port : &list[test1].assoc4.ip_port),
"Client IP_Port is incorrect");
}
static void test_addto_lists_bad(DHT *dht,
Client_data *list,
uint32_t length,
IP_Port *ip_port)
{
// check "bad" clients replacement
int used, test1, test2, test3;
uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE], test_id1[CRYPTO_PUBLIC_KEY_SIZE], test_id2[CRYPTO_PUBLIC_KEY_SIZE],
test_id3[CRYPTO_PUBLIC_KEY_SIZE];
uint8_t ipv6 = net_family_is_ipv6(ip_port->ip.family) ? 1 : 0;
random_bytes(public_key, sizeof(public_key));
mark_all_good(dht->mono_time, list, length, ipv6);
test1 = random_u32() % (length / 3);
test2 = random_u32() % (length / 3) + length / 3;
test3 = random_u32() % (length / 3) + 2 * length / 3;
ck_assert_msg(!(test1 == test2 || test1 == test3 || test2 == test3), "Wrong test indices are chosen");
id_copy((uint8_t *)&test_id1, list[test1].public_key);
id_copy((uint8_t *)&test_id2, list[test2].public_key);
id_copy((uint8_t *)&test_id3, list[test3].public_key);
// mark nodes as "bad"
if (ipv6) {
mark_bad(dht->mono_time, &list[test1].assoc6);
mark_bad(dht->mono_time, &list[test2].assoc6);
mark_bad(dht->mono_time, &list[test3].assoc6);
} else {
mark_bad(dht->mono_time, &list[test1].assoc4);
mark_bad(dht->mono_time, &list[test2].assoc4);
mark_bad(dht->mono_time, &list[test3].assoc4);
}
ip_port->port += 1;
used = addto_lists(dht, *ip_port, public_key);
ck_assert_msg(used >= 1, "Wrong number of added clients");
ck_assert_msg(client_in_list(list, length, public_key) >= 0, "Client id is not in the list");
ck_assert_msg(client_in_list(list, length, test_id2) >= 0, "Wrong bad client removed");
ck_assert_msg(client_in_list(list, length, test_id3) >= 0, "Wrong bad client removed");
}
static void test_addto_lists_possible_bad(DHT *dht,
Client_data *list,
uint32_t length,
IP_Port *ip_port,
const uint8_t *comp_client_id)
{
// check "possibly bad" clients replacement
uint32_t used, test1, test2, test3;
uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE], test_id1[CRYPTO_PUBLIC_KEY_SIZE], test_id2[CRYPTO_PUBLIC_KEY_SIZE],
test_id3[CRYPTO_PUBLIC_KEY_SIZE];
uint8_t ipv6 = net_family_is_ipv6(ip_port->ip.family) ? 1 : 0;
random_bytes(public_key, sizeof(public_key));
mark_all_good(dht->mono_time, list, length, ipv6);
test1 = random_u32() % (length / 3);
test2 = random_u32() % (length / 3) + length / 3;
test3 = random_u32() % (length / 3) + 2 * length / 3;
ck_assert_msg(!(test1 == test2 || test1 == test3 || test2 == test3), "Wrong test indices are chosen");
id_copy((uint8_t *)&test_id1, list[test1].public_key);
id_copy((uint8_t *)&test_id2, list[test2].public_key);
id_copy((uint8_t *)&test_id3, list[test3].public_key);
// mark nodes as "possibly bad"
if (ipv6) {
mark_possible_bad(dht->mono_time, &list[test1].assoc6);
mark_possible_bad(dht->mono_time, &list[test2].assoc6);
mark_possible_bad(dht->mono_time, &list[test3].assoc6);
} else {
mark_possible_bad(dht->mono_time, &list[test1].assoc4);
mark_possible_bad(dht->mono_time, &list[test2].assoc4);
mark_possible_bad(dht->mono_time, &list[test3].assoc4);
}
ip_port->port += 1;
used = addto_lists(dht, *ip_port, public_key);
ck_assert_msg(used >= 1, "Wrong number of added clients");
ck_assert_msg(client_in_list(list, length, public_key) >= 0, "Client id is not in the list");
bool inlist_id1 = client_in_list(list, length, test_id1) >= 0;
bool inlist_id2 = client_in_list(list, length, test_id2) >= 0;
bool inlist_id3 = client_in_list(list, length, test_id3) >= 0;
ck_assert_msg(inlist_id1 + inlist_id2 + inlist_id3 == 2, "Wrong client removed");
if (!inlist_id1) {
ck_assert_msg(id_closest(comp_client_id, test_id2, test_id1) == 1,
"Id has been removed but is closer to than another one");
ck_assert_msg(id_closest(comp_client_id, test_id3, test_id1) == 1,
"Id has been removed but is closer to than another one");
} else if (!inlist_id2) {
ck_assert_msg(id_closest(comp_client_id, test_id1, test_id2) == 1,
"Id has been removed but is closer to than another one");
ck_assert_msg(id_closest(comp_client_id, test_id3, test_id2) == 1,
"Id has been removed but is closer to than another one");
} else if (!inlist_id3) {
ck_assert_msg(id_closest(comp_client_id, test_id1, test_id3) == 1,
"Id has been removed but is closer to than another one");
ck_assert_msg(id_closest(comp_client_id, test_id2, test_id3) == 1,
"Id has been removed but is closer to than another one");
}
}
static void test_addto_lists_good(DHT *dht,
Client_data *list,
uint32_t length,
IP_Port *ip_port,
const uint8_t *comp_client_id)
{
uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE];
uint8_t ipv6 = net_family_is_ipv6(ip_port->ip.family) ? 1 : 0;
mark_all_good(dht->mono_time, list, length, ipv6);
// check "good" client id replacement
do {
random_bytes(public_key, sizeof(public_key));
} while (is_furthest(comp_client_id, list, length, public_key));
ip_port->port += 1;
addto_lists(dht, *ip_port, public_key);
ck_assert_msg(client_in_list(list, length, public_key) >= 0, "Good client id is not in the list");
// check "good" client id skip
do {
random_bytes(public_key, sizeof(public_key));
} while (!is_furthest(comp_client_id, list, length, public_key));
ip_port->port += 1;
addto_lists(dht, *ip_port, public_key);
ck_assert_msg(client_in_list(list, length, public_key) == -1, "Good client id is in the list");
}
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
static void test_addto_lists(IP ip)
{
Logger *log = logger_new();
uint32_t index = 1;
logger_callback_log(log, (logger_cb *)print_debug_log, nullptr, &index);
Mono_Time *mono_time = mono_time_new();
ck_assert_msg(mono_time != nullptr, "Failed to create Mono_Time");
Networking_Core *net = new_networking(log, ip, TOX_PORT_DEFAULT);
ck_assert_msg(net != nullptr, "Failed to create Networking_Core");
DHT *dht = new_dht(log, mono_time, net, true);
ck_assert_msg(dht != nullptr, "Failed to create DHT");
IP_Port ip_port;
ip_port.ip = ip;
ip_port.port = TOX_PORT_DEFAULT;
uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE];
uint16_t i, used;
// check lists filling
for (i = 0; i < MAX(LCLIENT_LIST, MAX_FRIEND_CLIENTS); ++i) {
random_bytes(public_key, sizeof(public_key));
used = addto_lists(dht, ip_port, public_key);
ck_assert_msg(used == dht->num_friends + 1, "Wrong number of added clients with existing ip_port");
}
for (i = 0; i < MAX(LCLIENT_LIST, MAX_FRIEND_CLIENTS); ++i) {
ip_port.port += 1;
used = addto_lists(dht, ip_port, public_key);
ck_assert_msg(used == dht->num_friends + 1, "Wrong number of added clients with existing public_key");
}
for (i = 0; i < MAX(LCLIENT_LIST, MAX_FRIEND_CLIENTS); ++i) {
ip_port.port += 1;
random_bytes(public_key, sizeof(public_key));
used = addto_lists(dht, ip_port, public_key);
ck_assert_msg(used >= 1, "Wrong number of added clients");
}
/*check: Current behavior if there are two clients with the same id is
* to replace the first ip by the second. */
test_addto_lists_update(dht, dht->close_clientlist, LCLIENT_LIST, &ip_port);
for (i = 0; i < dht->num_friends; ++i) {
test_addto_lists_update(dht, dht->friends_list[i].client_list, MAX_FRIEND_CLIENTS, &ip_port);
}
// check "bad" entries
test_addto_lists_bad(dht, dht->close_clientlist, LCLIENT_LIST, &ip_port);
for (i = 0; i < dht->num_friends; ++i) {
test_addto_lists_bad(dht, dht->friends_list[i].client_list, MAX_FRIEND_CLIENTS, &ip_port);
}
// check "possibly bad" entries
if (enable_broken_tests) {
test_addto_lists_possible_bad(dht, dht->close_clientlist, LCLIENT_LIST, &ip_port, dht->self_public_key);
for (i = 0; i < dht->num_friends; ++i) {
test_addto_lists_possible_bad(dht, dht->friends_list[i].client_list, MAX_FRIEND_CLIENTS, &ip_port,
dht->friends_list[i].public_key);
}
}
// check "good" entries
test_addto_lists_good(dht, dht->close_clientlist, LCLIENT_LIST, &ip_port, dht->self_public_key);
for (i = 0; i < dht->num_friends; ++i) {
test_addto_lists_good(dht, dht->friends_list[i].client_list, MAX_FRIEND_CLIENTS, &ip_port,
dht->friends_list[i].public_key);
}
kill_dht(dht);
kill_networking(net);
logger_kill(log);
}
static void test_addto_lists_ipv4(void)
{
IP ip;
ip_init(&ip, 0);
test_addto_lists(ip);
}
static void test_addto_lists_ipv6(void)
{
IP ip;
ip_init(&ip, 1);
test_addto_lists(ip);
}
#define DHT_DEFAULT_PORT (TOX_PORT_DEFAULT + 1000)
static void print_pk(uint8_t *public_key)
{
uint32_t j;
for (j = 0; j < CRYPTO_PUBLIC_KEY_SIZE; j++) {
printf("%02X", public_key[j]);
}
printf("\n");
}
static void test_add_to_list(uint8_t cmp_list[][CRYPTO_PUBLIC_KEY_SIZE + 1],
uint16_t length, const uint8_t *pk,
const uint8_t *cmp_pk)
{
uint8_t p_b[CRYPTO_PUBLIC_KEY_SIZE];
uint16_t i;
for (i = 0; i < length; ++i) {
if (!cmp_list[i][CRYPTO_PUBLIC_KEY_SIZE]) {
memcpy(cmp_list[i], pk, CRYPTO_PUBLIC_KEY_SIZE);
cmp_list[i][CRYPTO_PUBLIC_KEY_SIZE] = 1;
return;
}
if (memcmp(cmp_list[i], pk, CRYPTO_PUBLIC_KEY_SIZE) == 0) {
return;
}
}
for (i = 0; i < length; ++i) {
if (id_closest(cmp_pk, cmp_list[i], pk) == 2) {
memcpy(p_b, cmp_list[i], CRYPTO_PUBLIC_KEY_SIZE);
memcpy(cmp_list[i], pk, CRYPTO_PUBLIC_KEY_SIZE);
test_add_to_list(cmp_list, length, p_b, cmp_pk);
break;
}
}
}
#define NUM_DHT 100
static void test_list_main(void)
{
DHT *dhts[NUM_DHT];
Logger *logs[NUM_DHT];
Mono_Time *mono_times[NUM_DHT];
uint32_t index[NUM_DHT];
uint8_t cmp_list1[NUM_DHT][MAX_FRIEND_CLIENTS][CRYPTO_PUBLIC_KEY_SIZE + 1];
memset(cmp_list1, 0, sizeof(cmp_list1));
uint16_t i, j, k, l;
for (i = 0; i < NUM_DHT; ++i) {
IP ip;
ip_init(&ip, 1);
logs[i] = logger_new();
index[i] = i + 1;
logger_callback_log(logs[i], (logger_cb *)print_debug_log, nullptr, &index[i]);
mono_times[i] = mono_time_new();
dhts[i] = new_dht(logs[i], mono_times[i], new_networking(logs[i], ip, DHT_DEFAULT_PORT + i), true);
ck_assert_msg(dhts[i] != nullptr, "Failed to create dht instances %u", i);
ck_assert_msg(net_port(dhts[i]->net) != DHT_DEFAULT_PORT + i,
"Bound to wrong port: %d", net_port(dhts[i]->net));
}
for (i = 0; i < NUM_DHT; ++i) {
for (j = 1; j < NUM_DHT; ++j) {
test_add_to_list(cmp_list1[i], MAX_FRIEND_CLIENTS, dhts[(i + j) % NUM_DHT]->self_public_key, dhts[i]->self_public_key);
}
}
for (i = 0; i < NUM_DHT; ++i) {
for (j = 0; j < NUM_DHT; ++j) {
if (i == j) {
continue;
}
IP_Port ip_port;
ip_init(&ip_port.ip, 0);
ip_port.ip.ip.v4.uint32 = random_u32();
ip_port.port = random_u32() % (UINT16_MAX - 1);
++ip_port.port;
addto_lists(dhts[i], ip_port, dhts[j]->self_public_key);
}
}
#if 0
print_pk(dhts[0]->self_public_key);
for (i = 0; i < MAX_FRIEND_CLIENTS; ++i) {
printf("----Entry %u----\n", i);
print_pk(cmp_list1[i]);
}
#endif
uint16_t m_count = 0;
for (l = 0; l < NUM_DHT; ++l) {
for (i = 0; i < MAX_FRIEND_CLIENTS; ++i) {
for (j = 1; j < NUM_DHT; ++j) {
if (memcmp(cmp_list1[l][i], dhts[(l + j) % NUM_DHT]->self_public_key, CRYPTO_PUBLIC_KEY_SIZE) != 0) {
continue;
}
uint16_t count = 0;
for (k = 0; k < LCLIENT_LIST; ++k) {
if (memcmp(dhts[l]->self_public_key, dhts[(l + j) % NUM_DHT]->close_clientlist[k].public_key,
CRYPTO_PUBLIC_KEY_SIZE) == 0) {
++count;
}
}
if (count != 1) {
print_pk(dhts[l]->self_public_key);
for (k = 0; k < MAX_FRIEND_CLIENTS; ++k) {
printf("----Entry %u----\n", k);
print_pk(cmp_list1[l][k]);
}
for (k = 0; k < LCLIENT_LIST; ++k) {
printf("----Closel %u----\n", k);
print_pk(dhts[(l + j) % NUM_DHT]->close_clientlist[k].public_key);
}
print_pk(dhts[(l + j) % NUM_DHT]->self_public_key);
}
ck_assert_msg(count == 1, "Nodes in search don't know ip of friend. %u %u %u", i, j, count);
Node_format ln[MAX_SENT_NODES];
uint16_t n = get_close_nodes(dhts[(l + j) % NUM_DHT], dhts[l]->self_public_key, ln, net_family_unspec, 1, 0);
ck_assert_msg(n == MAX_SENT_NODES, "bad num close %u | %u %u", n, i, j);
count = 0;
for (k = 0; k < MAX_SENT_NODES; ++k) {
if (memcmp(dhts[l]->self_public_key, ln[k].public_key, CRYPTO_PUBLIC_KEY_SIZE) == 0) {
++count;
}
}
ck_assert_msg(count == 1, "Nodes in search don't know ip of friend. %u %u %u", i, j, count);
#if 0
for (k = 0; k < MAX_SENT_NODES; ++k) {
printf("----gn %u----\n", k);
print_pk(ln[k].public_key);
}
#endif
++m_count;
}
}
}
ck_assert_msg(m_count == (NUM_DHT) * (MAX_FRIEND_CLIENTS), "Bad count. %u != %u", m_count,
(NUM_DHT) * (MAX_FRIEND_CLIENTS));
for (i = 0; i < NUM_DHT; ++i) {
Networking_Core *n = dhts[i]->net;
kill_dht(dhts[i]);
kill_networking(n);
mono_time_free(mono_times[i]);
logger_kill(logs[i]);
}
}
static void test_list(void)
{
uint8_t i;
for (i = 0; i < 10; ++i) {
test_list_main();
}
}
static void ip_callback(void *data, int32_t number, IP_Port ip_port)
{
}
#define NUM_DHT_FRIENDS 20
static void test_DHT_test(void)
{
uint32_t to_comp = 8394782;
DHT *dhts[NUM_DHT];
Logger *logs[NUM_DHT];
Mono_Time *mono_times[NUM_DHT];
uint32_t index[NUM_DHT];
uint32_t i, j;
for (i = 0; i < NUM_DHT; ++i) {
IP ip;
ip_init(&ip, 1);
logs[i] = logger_new();
index[i] = i + 1;
logger_callback_log(logs[i], (logger_cb *)print_debug_log, nullptr, &index[i]);
mono_times[i] = mono_time_new();
dhts[i] = new_dht(logs[i], mono_times[i], new_networking(logs[i], ip, DHT_DEFAULT_PORT + i), true);
ck_assert_msg(dhts[i] != nullptr, "Failed to create dht instances %u", i);
ck_assert_msg(net_port(dhts[i]->net) != DHT_DEFAULT_PORT + i, "Bound to wrong port");
}
struct {
uint16_t tox1;
uint16_t tox2;
} pairs[NUM_DHT_FRIENDS];
for (i = 0; i < NUM_DHT_FRIENDS; ++i) {
// TODO(hugbubby): remove use of goto.
loop_top:
pairs[i].tox1 = random_u32() % NUM_DHT;
pairs[i].tox2 = (pairs[i].tox1 + (random_u32() % (NUM_DHT - 1)) + 1) % NUM_DHT;
for (j = 0; j < i; ++j) {
if (pairs[j].tox2 == pairs[i].tox2 && pairs[j].tox1 == pairs[i].tox1) {
goto loop_top;
}
}
uint16_t lock_count = 0;
ck_assert_msg(dht_addfriend(dhts[pairs[i].tox2], dhts[pairs[i].tox1]->self_public_key, &ip_callback, &to_comp, 1337,
&lock_count) == 0, "Failed to add friend");
ck_assert_msg(lock_count == 1, "bad lock count: %u %u", lock_count, i);
}
for (i = 0; i < NUM_DHT; ++i) {
IP_Port ip_port;
ip_port.ip = get_loopback();
ip_port.port = net_htons(DHT_DEFAULT_PORT + i);
dht_bootstrap(dhts[(i - 1) % NUM_DHT], ip_port, dhts[i]->self_public_key);
}
while (true) {
uint16_t counter = 0;
for (i = 0; i < NUM_DHT_FRIENDS; ++i) {
IP_Port a;
if (dht_getfriendip(dhts[pairs[i].tox2], dhts[pairs[i].tox1]->self_public_key, &a) == 1) {
++counter;
}
}
if (counter == NUM_DHT_FRIENDS) {
break;
}
for (i = 0; i < NUM_DHT; ++i) {
mono_time_update(mono_times[i]);
networking_poll(dhts[i]->net, nullptr);
do_dht(dhts[i]);
}
c_sleep(500);
}
for (i = 0; i < NUM_DHT; ++i) {
Networking_Core *n = dhts[i]->net;
kill_dht(dhts[i]);
kill_networking(n);
mono_time_free(mono_times[i]);
logger_kill(logs[i]);
}
}
static void test_dht_create_packet(void)
{
uint8_t plain[100] = {0};
uint8_t pkt[1 + CRYPTO_PUBLIC_KEY_SIZE + CRYPTO_NONCE_SIZE + sizeof(plain) + CRYPTO_MAC_SIZE];
uint8_t key[CRYPTO_SYMMETRIC_KEY_SIZE];
new_symmetric_key(key);
uint16_t length = dht_create_packet(key, key, NET_PACKET_GET_NODES, plain, sizeof(plain), pkt);
ck_assert_msg(pkt[0] == NET_PACKET_GET_NODES, "Malformed packet.");
ck_assert_msg(memcmp(pkt + 1, key, CRYPTO_SYMMETRIC_KEY_SIZE) == 0, "Malformed packet.");
ck_assert_msg(length == 1 + CRYPTO_PUBLIC_KEY_SIZE + CRYPTO_NONCE_SIZE + sizeof(plain) + CRYPTO_MAC_SIZE,
"Invalid size. Should be %u got %d", (unsigned)sizeof(pkt), length);
printf("Create Packet Successful!\n");
}
#define MAX_COUNT 3
static void dht_pack_unpack(const Node_format *nodes, size_t size, uint8_t *data, size_t length)
{
int16_t packed_size = pack_nodes(data, length, nodes, size);
ck_assert_msg(packed_size != -1, "Wrong pack_nodes result");
uint16_t processed = 0;
VLA(Node_format, nodes_unpacked, size);
const uint8_t tcp_enabled = 1;
uint16_t unpacked_count = unpack_nodes(nodes_unpacked, size, &processed, data, length, tcp_enabled);
ck_assert_msg(unpacked_count == size, "Wrong unpack_nodes result");
ck_assert_msg(processed == packed_size, "unpack_nodes did not process all data");
for (size_t i = 0; i < size; i++) {
const IP_Port *ipp1 = &nodes[i].ip_port;
const IP_Port *ipp2 = &nodes_unpacked[i].ip_port;
ck_assert_msg(ip_equal(&ipp1->ip, &ipp2->ip), "Unsuccessful ip unpack");
ck_assert_msg(ipp1->port == ipp2->port, "Unsuccessful port unpack");
const uint8_t *pk1 = nodes[i].public_key;
const uint8_t *pk2 = nodes_unpacked[i].public_key;
ck_assert_msg(!memcmp(pk1, pk2, CRYPTO_PUBLIC_KEY_SIZE), "Unsuccessful pk unpack");
}
}
static void random_ip(IP_Port *ipp, int family)
{
uint8_t *ip = nullptr;
size_t size;
if (family == TOX_AF_INET || family == TCP_INET) {
ip = (uint8_t *)&ipp->ip.ip.v4;
size = sizeof(ipp->ip.ip.v4);
} else if (family == TOX_AF_INET6 || family == TCP_INET6) {
ip = (uint8_t *)&ipp->ip.ip.v6;
size = sizeof(ipp->ip.ip.v6);
} else {
return;
}
uint8_t *port = (uint8_t *)&ipp->port;
random_bytes(port, sizeof(ipp->port));
random_bytes(ip, size);
// TODO(iphydf): Pass the net_family variant to random_ip.
ipp->ip.family.value = family;
}
#define PACKED_NODES_SIZE (SIZE_IPPORT + CRYPTO_PUBLIC_KEY_SIZE)
static void test_dht_node_packing(void)
{
const uint16_t length = MAX_COUNT * PACKED_NODES_SIZE;
uint8_t *data = (uint8_t *)malloc(length);
Node_format nodes[MAX_COUNT];
const size_t pk_size = sizeof(nodes[0].public_key);
random_bytes(nodes[0].public_key, pk_size);
random_bytes(nodes[1].public_key, pk_size);
random_bytes(nodes[2].public_key, pk_size);
random_ip(&nodes[0].ip_port, TOX_AF_INET);
random_ip(&nodes[1].ip_port, TOX_AF_INET);
random_ip(&nodes[2].ip_port, TOX_AF_INET);
dht_pack_unpack(nodes, 3, data, length);
random_ip(&nodes[0].ip_port, TOX_AF_INET);
random_ip(&nodes[1].ip_port, TOX_AF_INET);
random_ip(&nodes[2].ip_port, TCP_INET);
dht_pack_unpack(nodes, 3, data, length);
random_ip(&nodes[0].ip_port, TOX_AF_INET);
random_ip(&nodes[1].ip_port, TOX_AF_INET6);
random_ip(&nodes[2].ip_port, TCP_INET6);
dht_pack_unpack(nodes, 3, data, length);
random_ip(&nodes[0].ip_port, TCP_INET);
random_ip(&nodes[1].ip_port, TCP_INET6);
random_ip(&nodes[2].ip_port, TCP_INET);
dht_pack_unpack(nodes, 3, data, length);
random_ip(&nodes[0].ip_port, TOX_AF_INET6);
random_ip(&nodes[1].ip_port, TOX_AF_INET6);
random_ip(&nodes[2].ip_port, TOX_AF_INET6);
dht_pack_unpack(nodes, 3, data, length);
free(data);
}
int main(void)
{
setvbuf(stdout, nullptr, _IONBF, 0);
test_dht_create_packet();
test_dht_node_packing();
test_list();
test_DHT_test();
if (enable_broken_tests) {
test_addto_lists_ipv4();
test_addto_lists_ipv6();
}
return 0;
}
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