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utun2/tests/test_dm_e2e.c

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// test_dm_e2e.c — интеграционный тест прямого чата (DM): прямая отправка + offline-хранение.
//
// Однопоточный: 3 узла (A, B, C) в одном процессе, один UASYNC, без fork.
// Топология — цепочка B→C→A (A владелец канала, C storage, B target).
// Сценарий управляется одной master state-machine (таймер dm_tick).
//
// Сценарий:
// фаза 1 (прямая): A,B,C online. A dm_start(B) → dm_send("hello1") → B получает напрямую.
// фаза 2 (offline): B1 завершается (A теряет B). A dm_send("hello2") → недоступен →
// кладёт в mailbox на C (dm_storage=yes). C видит блоб в dm_mail.
// фаза 3 (reconnect): B2 переподключается к C → dm_on_conn_status → PULL mailbox → получает "hello2".
#include "chat_core.h"
#include "chat_sync.h"
#include "member_sync.h"
#include "../dm/dm_core.h"
#include "../dm/dm_crypto.h"
#include "../routing_layer/topo_node_sqlite.h"
#include "../routing_layer/topo_group.h"
#include "../routing_layer/topo_node.h"
#include "../utun_instance.h"
#include "../transport_layer/etcp.h"
#include "../transport_layer/secure_channel.h"
#include "../ntp_time.h"
#include "../lib/u_async.h"
#include "../lib/debug_config.h"
#include "../lib/mem.h"
#include "../lib/platform_compat.h"
#include <sqlite3.h>
#define OPENSSL_API_COMPAT 0x10100000L
#include <openssl/evp.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
#include <unistd.h>
#define CH_ID "4242424242424242"
#define IDX_A 0
#define IDX_B 1
#define IDX_C 2
#define TICK_TB 100 /* 10 ms на такт state machine */
#define MAX_TICKS 3000 /* глобальный таймаут ≈ 30 c */
/* фазы master state-machine */
enum dm_phase {
P_WAIT_CONN, /* ждём подъёма всех соединений */
P_SETUP, /* однократная настройка канала/мемберов на A,B,C */
P_WAIT_BGP, /* ждём сходимости BGP CHAT-группы */
P_SEND1, /* A: dm_start + hello1 */
P_WAIT_MSG1, /* ждём hello1 у B */
P_B_OFFLINE, /* destroy B1 */
P_WAIT_B_OFFLINE, /* ждём ухода B из BGP у A */
P_SEND2, /* A: hello2 → mailbox */
P_WAIT_MAIL, /* ждём блоб в dm_mail у C */
P_RECONNECT, /* create B2 */
P_WAIT_B2, /* ждём hello2 у B2 и опустошение dm_mail у C */
P_DONE,
};
struct dm_ctx {
struct UASYNC* ua;
struct UTUN_INSTANCE* inst[3];
enum dm_phase phase;
int result; /* 0=running, 1=ok, 2=fail */
int ticks;
void* timer;
};
/* общие данные (ключи узлов и канала) */
struct dm_shared {
uint8_t ch_x_pub[32], ch_ed_pub[32], ch_ed_priv[32], ch_sig[64];
uint64_t nid[3];
uint8_t x_pub[3][32], x_priv[3][32], ed_pub[3][32];
int port[3];
char conv_id[64];
};
static struct dm_shared g_sh;
static int G_PASSED = 0, G_FAILED = 0, G_TOTAL = 0;
#define TEST(n) do { G_TOTAL++; printf(" %-58s", n); fflush(stdout); } while(0)
#define OK() do { G_PASSED++; printf("OK\n"); } while(0)
#define FAIL(f,...) do { G_FAILED++; printf("FAIL: " f "\n", ##__VA_ARGS__); } while(0)
/* ── крипто-хелперы ── */
static void gen_x25519(uint8_t pub[32], uint8_t priv[32]) {
EVP_PKEY_CTX* ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_X25519, NULL);
EVP_PKEY* pkey = NULL;
EVP_PKEY_keygen_init(ctx); EVP_PKEY_keygen(ctx, &pkey); EVP_PKEY_CTX_free(ctx);
size_t l = 32; EVP_PKEY_get_raw_public_key(pkey, pub, &l);
l = 32; EVP_PKEY_get_raw_private_key(pkey, priv, &l);
EVP_PKEY_free(pkey);
}
static void gen_ed25519(uint8_t pub[32], uint8_t priv[32]) {
EVP_PKEY_CTX* ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_ED25519, NULL);
EVP_PKEY* pkey = NULL;
EVP_PKEY_keygen_init(ctx); EVP_PKEY_keygen(ctx, &pkey); EVP_PKEY_CTX_free(ctx);
size_t l = 32; EVP_PKEY_get_raw_public_key(pkey, pub, &l);
l = 32; EVP_PKEY_get_raw_private_key(pkey, priv, &l);
EVP_PKEY_free(pkey);
}
static void to_hex(const uint8_t* bin, size_t n, char* out) {
for (size_t i = 0; i < n; i++) sprintf(out + i * 2, "%02x", bin[i]);
out[n * 2] = '\0';
}
static int wf(const char* p, const char* f, ...) {
va_list ap; FILE* fp = fopen(p, "w"); if (!fp) return -1;
va_start(ap, f); vfprintf(fp, f, ap); va_end(ap); fclose(fp); return 0;
}
/* ── генерация данных сценария + конфигов ── */
static void fill_shared(int base_port) {
memset(&g_sh, 0, sizeof(g_sh));
for (int i = 0; i < 3; i++) {
gen_x25519(g_sh.x_pub[i], g_sh.x_priv[i]);
sc_derive_ed25519_pubkey(g_sh.x_priv[i], g_sh.ed_pub[i]);
g_sh.nid[i] = sc_derive_node_id_from_pubkey(g_sh.x_pub[i]);
g_sh.port[i] = base_port + i * 1000;
}
{ uint8_t ch_x_priv[32]; gen_x25519(g_sh.ch_x_pub, ch_x_priv); }
gen_ed25519(g_sh.ch_ed_pub, g_sh.ch_ed_priv);
/* подпись канала: Ed25519(ch_ed_priv, ch_id||'\0'||name||'\0'||owner(8)||ch_x_pub(32)||ch_ed_pub(32)) */
{
uint8_t msg[256]; size_t off = 0;
off += (size_t)snprintf((char*)msg + off, sizeof(msg) - off, "%s", CH_ID) + 1;
off += (size_t)snprintf((char*)msg + off, sizeof(msg) - off, "%s", "dm-test") + 1;
memcpy(msg + off, &g_sh.nid[IDX_A], 8); off += 8;
memcpy(msg + off, g_sh.ch_x_pub, 32); off += 32;
memcpy(msg + off, g_sh.ch_ed_pub, 32); off += 32;
sc_ed25519_sign(g_sh.ch_ed_priv, msg, off, g_sh.ch_sig);
}
uint64_t conv = dm_derive_conv_id(g_sh.nid[IDX_A], g_sh.nid[IDX_B]);
snprintf(g_sh.conv_id, sizeof(g_sh.conv_id), "%llu", (unsigned long long)conv);
}
static void write_configs(const char* dir) {
for (int i = 0; i < 3; i++) {
char priv[65], pub[65], path[512], dbd[512];
to_hex(g_sh.x_priv[i], 32, priv);
to_hex(g_sh.x_pub[i], 32, pub);
snprintf(path, sizeof(path), "%s/%s.conf", dir, i == IDX_A ? "a" : i == IDX_B ? "b" : "c");
snprintf(dbd, sizeof(dbd), "%s/db%s", dir, i == IDX_A ? "a" : i == IDX_B ? "b" : "c");
utun_mkdir(dbd, 0755);
char client[512] = "";
if (i == IDX_C) {
/* C → A (клиент к A) */
char apub[65]; to_hex(g_sh.x_pub[IDX_A], 32, apub);
snprintf(client, sizeof(client),
"[client: to_a]\npeer_public_key=%s\nlink=s1:127.0.0.1:%d\n",
apub, g_sh.port[IDX_A]);
} else if (i == IDX_B) {
/* B → C (клиент к C) */
char cpub[65]; to_hex(g_sh.x_pub[IDX_C], 32, cpub);
snprintf(client, sizeof(client),
"[client: to_c]\npeer_public_key=%s\nlink=s1:127.0.0.1:%d\n",
cpub, g_sh.port[IDX_C]);
}
wf(path,
"[global]\ntun_ip=10.97.%d.1/24\ntun_ifname=tun%d0\ndb_path=%s/db%s\n"
"my_private_key=%s\nmy_public_key=%s\n"
"[server: s1]\naddr=127.0.0.1:%d\ntype=public\n"
"%s"
"[chatserver]\nstorage_autoload=0\n[allowed_keys]\nallow_all=1\n",
i, i, dir, i == IDX_A ? "a" : i == IDX_B ? "b" : "c",
priv, pub, g_sh.port[i], client);
}
}
/* ── чистые проверки (без опроса) ── */
static int conn_up(struct UTUN_INSTANCE* inst, uint64_t nid) {
struct ETCP_CONN* c = instance_find_conn(inst, nid);
return c && c->initialized && c->links_up;
}
static int bgp_has(struct UTUN_INSTANCE* inst, uint64_t nid) {
uint64_t gid = strtoull(CH_ID, NULL, 10);
struct TOPO_GROUP* g = topo_groups_find(inst->topo_groups, gid);
if (!g) return 0;
struct TOPO_GROUP_NODE* nq = topo_node_find_by_id(g, nid);
return nq && nq->paths && nq->paths->head;
}
/* есть ли расшифрованный текст needle в беседе (одна проверка) */
static int dm_msg_has(struct UTUN_INSTANCE* inst, const char* needle) {
char buf[8192]; size_t len = 0;
if (dm_list_messages_json(inst, g_sh.conv_id, 100, 0, buf, sizeof(buf), &len) != 0) return 0;
return strstr(buf, needle) != NULL;
}
/* количество блобов в dm_mail для recipient=B от sender=A (одна проверка) */
static int dm_mail_count(struct UTUN_INSTANCE* inst) {
sqlite3_stmt* s = NULL;
int n = 0;
if (sqlite3_prepare_v2(inst->topo_sqlite_db,
"SELECT COUNT(*) FROM dm_mail WHERE recipient=? AND sender=?",
-1, &s, NULL) == SQLITE_OK) {
sqlite3_bind_int64(s, 1, (sqlite3_int64)g_sh.nid[IDX_B]);
sqlite3_bind_int64(s, 2, (sqlite3_int64)g_sh.nid[IDX_A]);
if (sqlite3_step(s) == SQLITE_ROW) n = sqlite3_column_int(s, 0);
}
if (s) sqlite3_finalize(s);
return n;
}
/* ── настройка канала и мемберов (однократно) ── */
static void channel_put_shared(struct UTUN_INSTANCE* inst, int has_priv) {
topo_node_sqlite_channel_put(inst->topo_sqlite_db, CH_ID, "dm-test", g_sh.nid[IDX_A],
g_sh.ch_x_pub, NULL, g_sh.ch_ed_pub, has_priv ? g_sh.ch_ed_priv : NULL, g_sh.ch_sig);
chat_core_ensure_channel_ready(inst, CH_ID);
}
static void member_put_self(struct UTUN_INSTANCE* inst, const char* name) {
uint64_t join_ts = (uint64_t)ntp_time_get_seconds(inst);
uint8_t jm[128];
int jl = member_sync_build_join_msg(g_sh.ch_x_pub, g_sh.ch_ed_pub, inst->node_id,
inst->my_keys.public_key, join_ts, jm, (int)sizeof(jm));
uint8_t join_sig[64]; sc_ed25519_sign(inst->my_ed25519_privkey, jm, (size_t)jl, join_sig);
char userinfo[256]; snprintf(userinfo, sizeof(userinfo), "{\"name\":\"%s\"}", name);
member_sync_put(inst, CH_ID, inst->node_id, inst->my_keys.public_key, inst->my_ed25519_pubkey,
join_sig, join_ts, NULL, 0, userinfo, NULL, NULL, 0, 0, NULL);
}
static void member_put_placeholder(struct UTUN_INSTANCE* inst, int idx, const char* name) {
char userinfo[256]; snprintf(userinfo, sizeof(userinfo), "{\"name\":\"%s\"}", name);
member_sync_put(inst, CH_ID, g_sh.nid[idx], g_sh.x_pub[idx], g_sh.ed_pub[idx],
NULL, 0, NULL, 0, userinfo, NULL, NULL, 0, 0, NULL);
}
/* мембер C со флагом dm_storage=yes (adm_tags подписан канальным ключом) */
static void member_put_storage(struct UTUN_INSTANCE* inst, int idx, const char* name) {
char userinfo[256]; snprintf(userinfo, sizeof(userinfo), "{\"name\":\"%s\"}", name);
char adm_tags[64]; snprintf(adm_tags, sizeof(adm_tags), "{\"dm_storage\":\"yes\",\"ver\":\"1\"}");
uint8_t ats[64];
uint8_t amsg[256]; size_t off = strlen(adm_tags);
memcpy(amsg, adm_tags, off);
memcpy(amsg + off, &g_sh.nid[idx], 8); off += 8;
sc_ed25519_sign(g_sh.ch_ed_priv, amsg, off, ats);
member_sync_put(inst, CH_ID, g_sh.nid[idx], g_sh.x_pub[idx], g_sh.ed_pub[idx],
NULL, 0, NULL, 0, userinfo, adm_tags, ats, 0, 0, NULL);
}
/* однократная настройка роли */
static void do_setup(struct UTUN_INSTANCE* inst, int role) {
uint64_t nc = g_sh.nid[IDX_C];
switch (role) {
case IDX_A:
channel_put_shared(inst, 1);
member_put_self(inst, "A");
member_put_placeholder(inst, IDX_B, "B");
member_put_storage(inst, IDX_C, "C");
member_sync_start(inst, nc, CH_ID, NULL, NULL);
break;
case IDX_B:
channel_put_shared(inst, 0);
member_put_self(inst, "B");
member_put_placeholder(inst, IDX_A, "A");
member_put_storage(inst, IDX_C, "C");
member_sync_start(inst, nc, CH_ID, NULL, NULL);
break;
case IDX_C:
channel_put_shared(inst, 0);
member_put_self(inst, "C");
member_put_placeholder(inst, IDX_A, "A");
member_put_placeholder(inst, IDX_B, "B");
member_sync_start(inst, g_sh.nid[IDX_A], CH_ID, NULL, NULL);
member_sync_start(inst, g_sh.nid[IDX_B], CH_ID, NULL, NULL);
break;
}
}
/* ── master state-machine (движется таймером) ── */
static void dm_tick(void* arg) {
struct dm_ctx* t = arg;
t->timer = NULL;
if (t->result) return;
struct UTUN_INSTANCE* A = t->inst[IDX_A];
struct UTUN_INSTANCE* B = t->inst[IDX_B];
struct UTUN_INSTANCE* C = t->inst[IDX_C];
uint64_t na = g_sh.nid[IDX_A], nb = g_sh.nid[IDX_B], nc = g_sh.nid[IDX_C];
switch (t->phase) {
case P_WAIT_CONN:
/* C→A и B→C должны быть up */
if (conn_up(A, nc) && conn_up(C, na) && conn_up(B, nc) && conn_up(C, nb))
t->phase = P_SETUP;
break;
case P_SETUP:
do_setup(A, IDX_A);
do_setup(B, IDX_B);
do_setup(C, IDX_C);
t->phase = P_WAIT_BGP;
break;
case P_WAIT_BGP:
/* A видит C и B; C видит A и B; B видит A (и C) */
if (bgp_has(A, nc) && bgp_has(A, nb) && bgp_has(C, na) && bgp_has(C, nb) && bgp_has(B, na))
t->phase = P_SEND1;
break;
case P_SEND1:
if (dm_start(A, nb, g_sh.x_pub[IDX_B], g_sh.ed_pub[IDX_B], "B", CH_ID) != 0
|| dm_send(A, g_sh.conv_id, "text", (const uint8_t*)"hello1", 6) != 0) {
fprintf(stderr, "A: dm_start/send hello1 failed\n");
t->result = 2;
} else {
t->phase = P_WAIT_MSG1;
}
break;
case P_WAIT_MSG1:
if (dm_msg_has(B, "hello1")) t->phase = P_B_OFFLINE;
break;
case P_B_OFFLINE:
utun_instance_destroy(B);
t->inst[IDX_B] = NULL;
t->phase = P_WAIT_B_OFFLINE;
break;
case P_WAIT_B_OFFLINE:
if (!bgp_has(A, nb)) t->phase = P_SEND2;
break;
case P_SEND2:
if (dm_send(A, g_sh.conv_id, "text", (const uint8_t*)"hello2", 6) != 0) {
fprintf(stderr, "A: dm_send hello2 failed\n");
t->result = 2;
} else {
t->phase = P_WAIT_MAIL;
}
break;
case P_WAIT_MAIL:
if (dm_mail_count(C) > 0) t->phase = P_RECONNECT;
break;
case P_RECONNECT: {
char cfg[512];
snprintf(cfg, sizeof(cfg), "%s/b.conf", getenv("UTUN_TEST_DIR") ? getenv("UTUN_TEST_DIR") : ".");
struct UTUN_INSTANCE* b2 = utun_instance_create(t->ua, cfg);
if (!b2) { fprintf(stderr, "B2 create failed\n"); t->result = 2; break; }
utun_instance_init(b2);
t->inst[IDX_B] = b2;
t->phase = P_WAIT_B2;
break;
}
case P_WAIT_B2:
if (dm_msg_has(B, "hello2") && dm_mail_count(C) == 0) t->phase = P_DONE;
break;
case P_DONE:
t->result = 1;
uasync_stop(t->ua);
return;
}
if (t->phase == P_DONE) { t->result = 1; uasync_stop(t->ua); return; }
if (++t->ticks > MAX_TICKS) {
fprintf(stderr, "test: timeout in phase %d (A_conn=%d C_conn=%d B_conn=%d)\n",
(int)t->phase,
conn_up(A, nc), conn_up(C, na), B ? conn_up(B, nc) : -1);
t->result = 2;
uasync_stop(t->ua);
return;
}
t->timer = uasync_set_timeout(t->ua, TICK_TB, t, dm_tick, "dm_tick");
}
/* ── main ── */
int main(int argc, char** argv) {
(void)argc; (void)argv;
debug_config_init(); debug_set_level(DEBUG_LEVEL_ERROR);
if (getenv("UTUN_TEST_DEBUG")) {
debug_set_category_level_by_name("dm", "trace");
debug_set_category_level_by_name("chat_sync", "info");
debug_set_category_level_by_name("member_sync", "info");
debug_set_category_level_by_name("bgp", "info");
debug_set_category_level_by_name("etcp_route", "info");
debug_set_category_level_by_name("crypto", "trace");
}
utun_instance_set_tun_init_enabled(0);
srand((unsigned)time(NULL));
char dir[512]; snprintf(dir, sizeof(dir), "/tmp/utun_dm_e2e_XXXXXX");
if (!mkdtemp(dir)) { fprintf(stderr, "mkdtemp failed\n"); return 1; }
setenv("UTUN_TEST_DIR", dir, 1);
fill_shared(58000 + (getpid() % 2000));
write_configs(dir);
printf("=== test_dm_e2e ===\n"); fflush(stdout);
TEST("single-thread: direct send + offline mailbox + reconnect pull"); {
struct UASYNC* ua = uasync_create();
if (!ua) { FAIL("uasync_create failed"); return 1; }
struct dm_ctx t;
memset(&t, 0, sizeof(t));
t.ua = ua;
t.phase = P_WAIT_CONN;
char cfgA[512], cfgB[512], cfgC[512];
snprintf(cfgA, sizeof(cfgA), "%s/a.conf", dir);
snprintf(cfgB, sizeof(cfgB), "%s/b.conf", dir);
snprintf(cfgC, sizeof(cfgC), "%s/c.conf", dir);
t.inst[IDX_A] = utun_instance_create(ua, cfgA);
t.inst[IDX_B] = utun_instance_create(ua, cfgB);
t.inst[IDX_C] = utun_instance_create(ua, cfgC);
if (!t.inst[IDX_A] || !t.inst[IDX_B] || !t.inst[IDX_C]) {
FAIL("instance create failed A=%p B=%p C=%p",
(void*)t.inst[IDX_A], (void*)t.inst[IDX_B], (void*)t.inst[IDX_C]);
uasync_destroy(ua, 0);
return 1;
}
utun_instance_init(t.inst[IDX_A]);
utun_instance_init(t.inst[IDX_C]);
/* B стартует после C, чтобы B→C пришлось на уже поднятый C (как в сценарии) */
utun_instance_init(t.inst[IDX_B]);
t.timer = uasync_set_timeout(ua, TICK_TB, &t, dm_tick, "dm_tick");
uasync_mainloop(ua);
int ok = (t.result == 1);
if (t.inst[IDX_A]) utun_instance_destroy(t.inst[IDX_A]);
if (t.inst[IDX_B]) utun_instance_destroy(t.inst[IDX_B]);
if (t.inst[IDX_C]) utun_instance_destroy(t.inst[IDX_C]);
uasync_destroy(ua, 0);
if (ok) OK(); else FAIL("result=%d phase=%d", t.result, (int)t.phase);
}
char cmd[512]; snprintf(cmd, sizeof(cmd), "rm -rf %s", dir); (void)!system(cmd);
printf("\n%d/%d passed, %d failed\n", G_PASSED, G_TOTAL, G_FAILED);
return G_FAILED > 0 ? 1 : 0;
}