Share authenticated media fixtures for adversarial delivery regressions
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@@ -0,0 +1,184 @@
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/* Общий стенд media: настоящие SQLite/router callbacks и Ed25519, управляемая доставка пакетов. */
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#ifndef TEST_MEDIA_DELIVERY_FIXTURE_H
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#define TEST_MEDIA_DELIVERY_FIXTURE_H
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/* Регрессии QUERY: реальные обработчики сервиса и SQLite, управляемая доставка/ошибки транспорта.
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* Стенд сохраняет владение router: пакет потребляется даже при ошибке. Ответы доставляются отдельно,
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* поэтому можно проверить задержки, дубликаты, чужие ответы и состояние между пачками. */
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#include "test_utils.h"
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#include "../src/utun_instance.h"
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#include "../src/chat/chat_core_priv.h"
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#include "../src/media_delivery/media_index.h"
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#include "../src/media_delivery/media_download.h"
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#include "../src/routing_layer/etcp_router.h"
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#include "../src/transport_layer/etcp.h"
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#include "../src/transport_layer/secure_channel.h"
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#include "../lib/debug_config.h"
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#include "../lib/mem.h"
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#include "../lib/platform_compat.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/evp.h>
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#ifdef __SANITIZE_ADDRESS__
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#include <sanitizer/asan_interface.h>
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#endif
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#define GROUP 111
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#define SERVER 0x100
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#define CLIENT 0x200
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#define MAX_WIRE 2048
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#define REQUIRE(x) do { if (!(x)) { DEBUG_ERROR(DEBUG_CATEGORY_DEBUG, "QUERY test line=%d: %s", __LINE__, #x); exit(1); } } while (0)
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struct packet { uint64_t from, to, group; size_t len; uint8_t data[MAX_WIRE]; };
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static struct packet packets[128];
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static int packet_count, query_count, request_count, done_count, done_err, fail_send, fail_rng;
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static struct UASYNC* ua;
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static char directory[256];
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static void* injected;
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static uint8_t* poison_tail;
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static uint8_t author_key[32] = {1};
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int __real_RAND_bytes(unsigned char* out, int count);
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int __wrap_RAND_bytes(unsigned char* out, int count) {
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if (fail_rng) return 0;
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return __real_RAND_bytes(out, count);
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}
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int __wrap_etcp_route_send(struct UTUN_INSTANCE* inst, uint64_t group, uint64_t dst,
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struct ll_entry* entry, int force, int mode) {
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(void)force; (void)mode;
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int cmd = entry->dgram[1], rc = cmd == fail_send ? -1 : 0;
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if (cmd == MEDIA_SUBCMD_BLOCK_REQ) request_count++;
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if (cmd == MEDIA_SUBCMD_QUERY) query_count++;
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if (!rc && (cmd == MEDIA_SUBCMD_QUERY || cmd == MEDIA_SUBCMD_QUERY_RESP)) {
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REQUIRE(packet_count < 128 && entry->len - 1 <= MAX_WIRE);
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struct packet* p = &packets[packet_count++];
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p->from = inst->node_id; p->to = dst; p->group = group; p->len = entry->len - 1;
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memcpy(p->data, entry->dgram + 1, p->len);
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}
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queue_dgram_free(entry); queue_entry_free(entry); return rc;
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}
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/* u_malloc округляет выделение: ASAN защищает именно логическую границу входного payload. */
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static void release_injected(uint8_t* data) {
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#ifdef __SANITIZE_ADDRESS__
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if (data == injected) __asan_unpoison_memory_region(poison_tail, 64);
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#endif
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injected = NULL; poison_tail = NULL; u_free(data);
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}
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static void receive(struct UTUN_INSTANCE* inst, const struct packet* p) {
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struct ll_entry* entry = queue_entry_new(0); REQUIRE(entry);
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size_t bytes = ROUTER_SVC_PAYLOAD_OFF + p->len;
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entry->dgram = u_calloc(1, bytes + 64); REQUIRE(entry->dgram);
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entry->len = (uint16_t)bytes; entry->dgram_free_fn = release_injected;
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entry->dgram[0] = ETCP_RT_ID_MEDIA_DELIVERY;
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memcpy(entry->dgram + ROUTER_SVC_SRC_OFF, &p->from, 8);
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memcpy(entry->dgram + ROUTER_SVC_GROUP_OFF, &p->group, 8);
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memcpy(entry->dgram + ROUTER_SVC_PAYLOAD_OFF, p->data, p->len);
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injected = entry->dgram; poison_tail = entry->dgram + bytes;
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#ifdef __SANITIZE_ADDRESS__
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__asan_poison_memory_region(poison_tail, 64);
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#endif
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struct ETCP_CONN conn = {.instance = inst};
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inst->router_bindings.callbacks[ETCP_RT_ID_MEDIA_DELIVERY](&conn, entry);
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REQUIRE(!injected);
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}
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static struct packet take_packet(void) {
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REQUIRE(packet_count > 0);
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struct packet result = packets[0];
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memmove(packets, packets + 1, (size_t)--packet_count * sizeof(*packets));
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return result;
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}
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static struct UTUN_INSTANCE* instance(uint64_t node) {
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struct UTUN_INSTANCE* inst = u_calloc(1, sizeof(*inst)); REQUIRE(inst);
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inst->ua = ua; inst->node_id = node;
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inst->chat_core = u_calloc(1, sizeof(struct chat_core_ctx)); REQUIRE(inst->chat_core);
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REQUIRE(sqlite3_open(":memory:", &inst->topo_sqlite_db) == SQLITE_OK);
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REQUIRE(!media_index_init(inst->topo_sqlite_db) && !media_delivery_init(inst));
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uint8_t pubkey[32]; size_t length = sizeof(pubkey);
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EVP_PKEY* key = EVP_PKEY_new_raw_private_key(EVP_PKEY_ED25519, NULL, author_key, 32); REQUIRE(key);
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REQUIRE(EVP_PKEY_get_raw_public_key(key, pubkey, &length) == 1 && length == 32); EVP_PKEY_free(key);
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REQUIRE(sqlite3_exec(inst->topo_sqlite_db, "CREATE TABLE nodes(node_id INTEGER PRIMARY KEY,ed25519_pubkey BLOB)",
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NULL, NULL, NULL) == SQLITE_OK);
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sqlite3_stmt* st = NULL;
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REQUIRE(sqlite3_prepare_v2(inst->topo_sqlite_db, "INSERT INTO nodes VALUES(256,?)", -1, &st, NULL) == SQLITE_OK);
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REQUIRE(sqlite3_bind_blob(st, 1, pubkey, 32, SQLITE_STATIC) == SQLITE_OK && sqlite3_step(st) == SQLITE_DONE);
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REQUIRE(sqlite3_finalize(st) == SQLITE_OK);
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return inst;
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}
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static void destroy(struct UTUN_INSTANCE* inst) {
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media_delivery_destroy(inst); sqlite3_close(inst->topo_sqlite_db);
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u_free(inst->chat_core); u_free(inst); uasync_poll(ua, 0);
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}
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static void completed(void* arg, int err) { (void)arg; done_count++; done_err = err; }
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static struct media_index_result result(int count) {
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struct media_index_result r = {.file_size = count, .block_size = 1, .num_blocks = count};
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memset(r.media_id, 0xAA, 16);
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r.block_ids = u_calloc(count, 16); r.block_sigs = u_calloc(count, 64); REQUIRE(r.block_ids && r.block_sigs);
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EVP_MD_CTX* hash = EVP_MD_CTX_new(); REQUIRE(hash && EVP_DigestInit_ex(hash, EVP_sha256(), NULL) == 1);
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for (int i = 0; i < count; i++) {
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uint32_t id = (uint32_t)i + 1; uint8_t byte = (uint8_t)i; memcpy(r.block_ids + i * 16, &id, 4);
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REQUIRE(sc_ed25519_sign(author_key, &byte, 1, r.block_sigs + i * 64) == SC_OK);
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REQUIRE(EVP_DigestUpdate(hash, &byte, 1) == 1);
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}
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unsigned length; REQUIRE(EVP_DigestFinal_ex(hash, r.content_hash, &length) == 1 && length == 32); EVP_MD_CTX_free(hash);
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return r;
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}
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static struct media_download* download(struct UTUN_INSTANCE* inst) {
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return inst->md.downloads && inst->md.downloads->head ? (struct media_download*)inst->md.downloads->head->data : NULL;
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}
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static void start(struct UTUN_INSTANCE* inst, struct media_index_result* r) {
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char path[512]; snprintf(path, sizeof(path), "%s/result.bin", directory);
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REQUIRE(!media_download_start(inst, GROUP, r, path, directory, SERVER, completed, NULL, NULL, NULL));
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}
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static void seed(struct UTUN_INSTANCE* inst, const struct media_index_result* r, int count, int holders, int distinct) {
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sqlite3_stmt* st = NULL;
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REQUIRE(sqlite3_prepare_v2(inst->topo_sqlite_db,
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"INSERT INTO block_availability(block_uuid,group_id,node_id,chunk,timestamp,status) VALUES(?,111,?,?,1,1)", -1, &st, NULL) == SQLITE_OK);
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for (int i = 0; i < count; i++) for (int h = 0; h < holders; h++) {
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REQUIRE(sqlite3_bind_blob(st, 1, r->block_ids + i * 16, 16, SQLITE_STATIC) == SQLITE_OK);
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REQUIRE(sqlite3_bind_int64(st, 2, 1000 + (distinct ? i % distinct : h)) == SQLITE_OK);
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REQUIRE(sqlite3_bind_int(st, 3, i) == SQLITE_OK && sqlite3_step(st) == SQLITE_DONE);
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REQUIRE(sqlite3_reset(st) == SQLITE_OK);
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}
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REQUIRE(sqlite3_finalize(st) == SQLITE_OK);
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}
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static void reset(void) {
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packet_count = query_count = request_count = done_count = done_err = fail_send = fail_rng = 0;
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}
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static struct packet answer(struct UTUN_INSTANCE* server) {
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struct packet query = take_packet(); REQUIRE(query.data[0] == MEDIA_SUBCMD_QUERY);
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receive(server, &query);
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struct packet response = take_packet(); REQUIRE(response.data[0] == MEDIA_SUBCMD_QUERY_RESP);
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return response;
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}
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static void deliver_block(struct UTUN_INSTANCE* c, struct media_download* dl, int bi) {
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struct media_download_block* b = &dl->blocks[bi];
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struct packet p = {.from = b->holders[b->holder_idx], .to = CLIENT, .group = GROUP, .len = MEDIA_BLOCK_CHUNK_HDR_SIZE + 1};
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struct media_pkt_block_chunk* chunk = (struct media_pkt_block_chunk*)p.data;
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chunk->subcmd = MEDIA_SUBCMD_BLOCK_CHUNK; chunk->chunk = bi; chunk->data_len = 1;
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memcpy(chunk->media_id, dl->media_id, 16); memcpy(chunk->block_id, dl->blocks[bi].block_id, 16);
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memcpy(chunk->transfer_id, b->transfer_id, 16);
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p.data[MEDIA_BLOCK_CHUNK_HDR_SIZE] = (uint8_t)bi; receive(c, &p);
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memset(p.data, 0, sizeof(p.data)); p.len = MEDIA_BLOCK_DONE_SIZE;
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struct media_pkt_block_done* done = (struct media_pkt_block_done*)p.data;
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done->subcmd = MEDIA_SUBCMD_BLOCK_DONE; done->chunk = bi; done->total_size = 1;
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memcpy(done->media_id, dl->media_id, 16); memcpy(done->block_id, dl->blocks[bi].block_id, 16);
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memcpy(done->transfer_id, b->transfer_id, 16);
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receive(c, &p);
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}
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#endif
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@@ -373,6 +373,7 @@ static int create_truncated_file(void) {
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static void phase_b2_truncated_last_block(void) {
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TEST("truncated last block served from correct offset"); {
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if (create_truncated_file() != 0) { FAIL("create_truncated_file"); return; }
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assert(!media_index_init(g_inst[1]->topo_sqlite_db));
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char destination[1024]; snprintf(destination, sizeof(destination), "%s/media/truncated.bin", g_db_dir[1]);
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g_download_done = g_download_error = 0;
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+1
-177
@@ -1,165 +1,4 @@
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/* Регрессии QUERY: реальные обработчики сервиса и SQLite, управляемая доставка/ошибки транспорта.
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* Стенд сохраняет владение router: пакет потребляется даже при ошибке. Ответы доставляются отдельно,
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* поэтому можно проверить задержки, дубликаты, чужие ответы и состояние между пачками. */
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#include "test_utils.h"
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#include "../src/utun_instance.h"
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#include "../src/chat/chat_core_priv.h"
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#include "../src/media_delivery/media_index.h"
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#include "../src/media_delivery/media_download.h"
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#include "../src/routing_layer/etcp_router.h"
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#include "../src/transport_layer/etcp.h"
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#include "../src/transport_layer/secure_channel.h"
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#include "../lib/debug_config.h"
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#include "../lib/mem.h"
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#include "../lib/platform_compat.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/evp.h>
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#ifdef __SANITIZE_ADDRESS__
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#include <sanitizer/asan_interface.h>
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#endif
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#define GROUP 111
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#define SERVER 0x100
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#define CLIENT 0x200
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#define MAX_WIRE 2048
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#define REQUIRE(x) do { if (!(x)) { DEBUG_ERROR(DEBUG_CATEGORY_DEBUG, "QUERY test line=%d: %s", __LINE__, #x); exit(1); } } while (0)
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struct packet { uint64_t from, to, group; size_t len; uint8_t data[MAX_WIRE]; };
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static struct packet packets[128];
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static int packet_count, query_count, request_count, done_count, done_err, fail_send, fail_rng;
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static struct UASYNC* ua;
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static char directory[256];
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static void* injected;
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static uint8_t* poison_tail;
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static uint8_t author_key[32] = {1};
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int __real_RAND_bytes(unsigned char* out, int count);
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int __wrap_RAND_bytes(unsigned char* out, int count) {
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if (fail_rng) return 0;
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return __real_RAND_bytes(out, count);
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}
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int __wrap_etcp_route_send(struct UTUN_INSTANCE* inst, uint64_t group, uint64_t dst,
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struct ll_entry* entry, int force, int mode) {
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(void)force; (void)mode;
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int cmd = entry->dgram[1], rc = cmd == fail_send ? -1 : 0;
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if (cmd == MEDIA_SUBCMD_BLOCK_REQ) request_count++;
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if (cmd == MEDIA_SUBCMD_QUERY) query_count++;
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if (!rc && (cmd == MEDIA_SUBCMD_QUERY || cmd == MEDIA_SUBCMD_QUERY_RESP)) {
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REQUIRE(packet_count < 128 && entry->len - 1 <= MAX_WIRE);
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struct packet* p = &packets[packet_count++];
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p->from = inst->node_id; p->to = dst; p->group = group; p->len = entry->len - 1;
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memcpy(p->data, entry->dgram + 1, p->len);
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}
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queue_dgram_free(entry); queue_entry_free(entry); return rc;
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}
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/* u_malloc округляет выделение: ASAN защищает именно логическую границу входного payload. */
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static void release_injected(uint8_t* data) {
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#ifdef __SANITIZE_ADDRESS__
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if (data == injected) __asan_unpoison_memory_region(poison_tail, 64);
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#endif
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injected = NULL; poison_tail = NULL; u_free(data);
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}
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static void receive(struct UTUN_INSTANCE* inst, const struct packet* p) {
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struct ll_entry* entry = queue_entry_new(0); REQUIRE(entry);
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size_t bytes = ROUTER_SVC_PAYLOAD_OFF + p->len;
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entry->dgram = u_calloc(1, bytes + 64); REQUIRE(entry->dgram);
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entry->len = (uint16_t)bytes; entry->dgram_free_fn = release_injected;
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entry->dgram[0] = ETCP_RT_ID_MEDIA_DELIVERY;
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memcpy(entry->dgram + ROUTER_SVC_SRC_OFF, &p->from, 8);
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memcpy(entry->dgram + ROUTER_SVC_GROUP_OFF, &p->group, 8);
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memcpy(entry->dgram + ROUTER_SVC_PAYLOAD_OFF, p->data, p->len);
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injected = entry->dgram; poison_tail = entry->dgram + bytes;
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#ifdef __SANITIZE_ADDRESS__
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__asan_poison_memory_region(poison_tail, 64);
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#endif
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struct ETCP_CONN conn = {.instance = inst};
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inst->router_bindings.callbacks[ETCP_RT_ID_MEDIA_DELIVERY](&conn, entry);
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REQUIRE(!injected);
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}
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static struct packet take_packet(void) {
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REQUIRE(packet_count > 0);
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struct packet result = packets[0];
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memmove(packets, packets + 1, (size_t)--packet_count * sizeof(*packets));
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return result;
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}
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static struct UTUN_INSTANCE* instance(uint64_t node) {
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struct UTUN_INSTANCE* inst = u_calloc(1, sizeof(*inst)); REQUIRE(inst);
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inst->ua = ua; inst->node_id = node;
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inst->chat_core = u_calloc(1, sizeof(struct chat_core_ctx)); REQUIRE(inst->chat_core);
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REQUIRE(sqlite3_open(":memory:", &inst->topo_sqlite_db) == SQLITE_OK);
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REQUIRE(!media_index_init(inst->topo_sqlite_db) && !media_delivery_init(inst));
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uint8_t pubkey[32]; size_t length = sizeof(pubkey);
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EVP_PKEY* key = EVP_PKEY_new_raw_private_key(EVP_PKEY_ED25519, NULL, author_key, 32); REQUIRE(key);
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REQUIRE(EVP_PKEY_get_raw_public_key(key, pubkey, &length) == 1 && length == 32); EVP_PKEY_free(key);
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REQUIRE(sqlite3_exec(inst->topo_sqlite_db, "CREATE TABLE nodes(node_id INTEGER PRIMARY KEY,ed25519_pubkey BLOB)",
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NULL, NULL, NULL) == SQLITE_OK);
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sqlite3_stmt* st = NULL;
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REQUIRE(sqlite3_prepare_v2(inst->topo_sqlite_db, "INSERT INTO nodes VALUES(256,?)", -1, &st, NULL) == SQLITE_OK);
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REQUIRE(sqlite3_bind_blob(st, 1, pubkey, 32, SQLITE_STATIC) == SQLITE_OK && sqlite3_step(st) == SQLITE_DONE);
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REQUIRE(sqlite3_finalize(st) == SQLITE_OK);
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return inst;
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}
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static void destroy(struct UTUN_INSTANCE* inst) {
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media_delivery_destroy(inst); sqlite3_close(inst->topo_sqlite_db);
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u_free(inst->chat_core); u_free(inst); uasync_poll(ua, 0);
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}
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static void completed(void* arg, int err) { (void)arg; done_count++; done_err = err; }
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static struct media_index_result result(int count) {
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struct media_index_result r = {.file_size = count, .block_size = 1, .num_blocks = count};
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memset(r.media_id, 0xAA, 16);
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r.block_ids = u_calloc(count, 16); r.block_sigs = u_calloc(count, 64); REQUIRE(r.block_ids && r.block_sigs);
|
||||
EVP_MD_CTX* hash = EVP_MD_CTX_new(); REQUIRE(hash && EVP_DigestInit_ex(hash, EVP_sha256(), NULL) == 1);
|
||||
for (int i = 0; i < count; i++) {
|
||||
uint32_t id = (uint32_t)i + 1; uint8_t byte = (uint8_t)i; memcpy(r.block_ids + i * 16, &id, 4);
|
||||
REQUIRE(sc_ed25519_sign(author_key, &byte, 1, r.block_sigs + i * 64) == SC_OK);
|
||||
REQUIRE(EVP_DigestUpdate(hash, &byte, 1) == 1);
|
||||
}
|
||||
unsigned length; REQUIRE(EVP_DigestFinal_ex(hash, r.content_hash, &length) == 1 && length == 32); EVP_MD_CTX_free(hash);
|
||||
return r;
|
||||
}
|
||||
|
||||
static struct media_download* download(struct UTUN_INSTANCE* inst) {
|
||||
return inst->md.downloads && inst->md.downloads->head ? (struct media_download*)inst->md.downloads->head->data : NULL;
|
||||
}
|
||||
|
||||
static void start(struct UTUN_INSTANCE* inst, struct media_index_result* r) {
|
||||
char path[512]; snprintf(path, sizeof(path), "%s/result.bin", directory);
|
||||
REQUIRE(!media_download_start(inst, GROUP, r, path, directory, SERVER, completed, NULL, NULL, NULL));
|
||||
}
|
||||
|
||||
static void seed(struct UTUN_INSTANCE* inst, const struct media_index_result* r, int count, int holders, int distinct) {
|
||||
sqlite3_stmt* st = NULL;
|
||||
REQUIRE(sqlite3_prepare_v2(inst->topo_sqlite_db,
|
||||
"INSERT INTO block_availability(block_uuid,group_id,node_id,chunk,timestamp,status) VALUES(?,111,?,?,1,1)", -1, &st, NULL) == SQLITE_OK);
|
||||
for (int i = 0; i < count; i++) for (int h = 0; h < holders; h++) {
|
||||
REQUIRE(sqlite3_bind_blob(st, 1, r->block_ids + i * 16, 16, SQLITE_STATIC) == SQLITE_OK);
|
||||
REQUIRE(sqlite3_bind_int64(st, 2, 1000 + (distinct ? i % distinct : h)) == SQLITE_OK);
|
||||
REQUIRE(sqlite3_bind_int(st, 3, i) == SQLITE_OK && sqlite3_step(st) == SQLITE_DONE);
|
||||
REQUIRE(sqlite3_reset(st) == SQLITE_OK);
|
||||
}
|
||||
REQUIRE(sqlite3_finalize(st) == SQLITE_OK);
|
||||
}
|
||||
|
||||
static void reset(void) {
|
||||
packet_count = query_count = request_count = done_count = done_err = fail_send = fail_rng = 0;
|
||||
}
|
||||
|
||||
static struct packet answer(struct UTUN_INSTANCE* server) {
|
||||
struct packet query = take_packet(); REQUIRE(query.data[0] == MEDIA_SUBCMD_QUERY);
|
||||
receive(server, &query);
|
||||
struct packet response = take_packet(); REQUIRE(response.data[0] == MEDIA_SUBCMD_QUERY_RESP);
|
||||
return response;
|
||||
}
|
||||
#include "media_delivery_fixture.h"
|
||||
|
||||
static void test_bounds_and_identity(void) {
|
||||
reset(); struct UTUN_INSTANCE* s = instance(SERVER); struct UTUN_INSTANCE* c = instance(CLIENT);
|
||||
@@ -262,21 +101,6 @@ static void test_partial_and_timeout(void) {
|
||||
puts("partial results and QUERY timeout during another block's progress: PASS");
|
||||
}
|
||||
|
||||
static void deliver_block(struct UTUN_INSTANCE* c, struct media_download* dl, int bi) {
|
||||
struct media_download_block* b = &dl->blocks[bi];
|
||||
struct packet p = {.from = b->holders[b->holder_idx], .to = CLIENT, .group = GROUP, .len = MEDIA_BLOCK_CHUNK_HDR_SIZE + 1};
|
||||
struct media_pkt_block_chunk* chunk = (struct media_pkt_block_chunk*)p.data;
|
||||
chunk->subcmd = MEDIA_SUBCMD_BLOCK_CHUNK; chunk->chunk = bi; chunk->data_len = 1;
|
||||
memcpy(chunk->media_id, dl->media_id, 16); memcpy(chunk->block_id, dl->blocks[bi].block_id, 16);
|
||||
memcpy(chunk->transfer_id, b->transfer_id, 16);
|
||||
p.data[MEDIA_BLOCK_CHUNK_HDR_SIZE] = (uint8_t)bi; receive(c, &p);
|
||||
memset(p.data, 0, sizeof(p.data)); p.len = MEDIA_BLOCK_DONE_SIZE;
|
||||
struct media_pkt_block_done* done = (struct media_pkt_block_done*)p.data;
|
||||
done->subcmd = MEDIA_SUBCMD_BLOCK_DONE; done->chunk = bi; done->total_size = 1;
|
||||
memcpy(done->media_id, dl->media_id, 16); memcpy(done->block_id, dl->blocks[bi].block_id, 16);
|
||||
memcpy(done->transfer_id, b->transfer_id, 16);
|
||||
receive(c, &p);
|
||||
}
|
||||
|
||||
static void test_peer_reuse_and_completion(void) {
|
||||
reset(); struct UTUN_INSTANCE* s = instance(SERVER); struct UTUN_INSTANCE* c = instance(CLIENT);
|
||||
|
||||
Reference in new issue
Block a user