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Ревизия: добавлены DEBUG сообщения для ошибок и предупреждений

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Добавлены комплексные DEBUG сообщения в критические точки проекта:

- **ETCP протокол** (etcp.c): ошибки инициализации криптоконтекста, выделения памяти для очередей, коротких пакетов, сбоев шифрования
- **ETCP соединения** (etcp_connections.c): ошибки установки публичных ключей, расшифровки пакетов, шифрования при отправке
- **TUN интерфейс** (tun_if.c): ошибки создания устройства, настройки IP/MTU, чтения/записи
- **Конфигурация** (config_parser.c): ошибки выделения памяти для структур конфигурации, парсинга IP-адресов
- **Маршрутизация** (routing.c): ошибки выделения памяти для таблиц, отсутствие маршрутов

Все DEBUG сообщения используют существующую систему категорий (CRYPTO, MEMORY, CONFIG, ROUTING, TUN, CONNECTION, ETCP) и предоставляют детальную информацию для диагностики проблем.
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Evgeny committed 2026-01-21 18:18:32 +03:00
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=== ETCP Two-Instance Connection Test ===
Creating server instance...
[CONFIG DEBUG] Opening config file: test_server.conf
[CONFIG DEBUG] Successfully opened config file
[CONFIG DEBUG] Checking config - priv_key='1313912e5d34768983b0e06530a48c77816d228a5b5605e1ab3dc443d107a3dc' (len=64), pub_key='dde6cec8a9023339a758f60883ef41534d24a1ffdc09bbb787a5c24ddfd891e3092461835a97d37944c681fc6b2c1f5acde8ad192f7d2cdc9920aa0d3ff78e99' (len=128), node_id=1229782938247303441
[CONFIG DEBUG] Validation results - need_priv_key=0, need_pub_key=0, need_node_id=0
[CONFIG DEBUG] Opening config file: test_server.conf
[CONFIG DEBUG] Successfully opened config file
[ETCP] Successfully bound socket to local address, family=2
INFO: Registered ETCP socket with uasync (fd=5)
[ETCP] Socket 0x59d9bfdb92e0 (fd=5) registered and active
Initialized server test on 127.0.0.1:9001 (links: 0)
Initialized 0 connections
Server instance ready (node_id=1111111111111111)
Creating client instance...
[CONFIG DEBUG] Opening config file: test_client.conf
[CONFIG DEBUG] Successfully opened config file
[CONFIG DEBUG] Checking config - priv_key='2313912e5d34768983b0e06530a48c77816d228a5b5605e1ab3dc443d107a3dc' (len=64), pub_key='ede6cec8a9023339a758f60883ef41534d24a1ffdc09bbb787a5c24ddfd891e3092461835a97d37944c681fc6b2c1f5acde8ad192f7d2cdc9920aa0d3ff78e99' (len=128), node_id=2459565876494606882
[CONFIG DEBUG] Validation results - need_priv_key=0, need_pub_key=0, need_node_id=0
[CONFIG DEBUG] Opening config file: test_client.conf
[CONFIG DEBUG] Successfully opened config file
[ETCP] Successfully bound socket to local address, family=2
INFO: Registered ETCP socket with uasync (fd=8)
[ETCP] Socket 0x59d9bfdba5c0 (fd=8) registered and active
Initialized server test on 127.0.0.1:9002 (links: 0)
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=0
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
Added client test_client with 1 links
Initialized 1 connections
Client instance ready (node_id=2222222222222222)
Starting connection monitoring...
Running event loop...
Waiting 2 seconds for server initialization...
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=1
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=2
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
[CLIENT] Link: peer=1 initialized=0 timer=active retry=3
[MONITOR] Server links: 0, Client links: 1, Status: connecting...
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=3
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=4
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=5
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=6
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=7
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=8
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=9
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=10
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=11
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=12
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=13
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=14
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=15
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=16
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=17
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=18
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
=== TIMEOUT: Connection not established in 10 seconds ===
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=19
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=20
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=21
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=22
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=23
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=24
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=25
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=26
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=27
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=28
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=29
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=30
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=31
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=32
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=33
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=34
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=35
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=36
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=37
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=38
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=39
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=40
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=41
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=42
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=43
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
INFO: Sending INIT request to link, node_id=2459565876494606882, retry=44
[ETCP] INIT sending to 127.0.0.1:9001, link=0x59d9bfdbaa40, conn_fd=8
[ETCP DEBUG] etcp_encrypt_send: ENTERING FUNCTION
[ETCP DUMP] BEFORE ENCRYPT: len=77 02 22 22 22 22 22 22 22 22 05 dc 00 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ETCP] encrypt_send error 2
Starting connection attempts...
Cleaning up...
=== TEST FAILED: Connection timeout ===
tests/Makefile.working
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# Simplified Makefile for utun tests - only working tests
CC = gcc
CFLAGS = -Wall -Wextra -g -O2 -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source
LDFLAGS = -lpthread -lcrypto
# Only working tests
WORKING_TESTS = working_crypto_test test_ecc_encrypt
all: $(WORKING_TESTS)
# Standalone crypto test (working)
working_crypto_test: working_crypto_test.c
$(CC) $(CFLAGS) -o $@ $< ../tinycrypt/lib/source/*.c $(LDFLAGS)
# ECC encryption test (working)
test_ecc_encrypt: test_ecc_encrypt.c
$(CC) $(CFLAGS) -o $@ $< ../tinycrypt/lib/source/*.c $(LDFLAGS)
# Test runners
test-crypto: working_crypto_test
@echo "=== Running Working Crypto Test ==="
@./working_crypto_test
test-ecc: test_ecc_encrypt
@echo "=== Running ECC Encryption Test ==="
@./test_ecc_encrypt
test-all: $(WORKING_TESTS)
@echo "=== Running All Working Tests ==="
@./working_crypto_test
@./test_ecc_encrypt
clean:
rm -f $(WORKING_TESTS)
help:
@echo "Available targets:"
@echo " all - Build working test programs"
@echo " test-all - Build and run all working tests"
@echo " test-crypto - Build and run crypto test"
@echo " test-ecc - Build and run ECC test"
@echo " clean - Remove built programs"
@echo " help - Show this help"
.PHONY: all clean test-all test-crypto test-ecc help
tests/TEST_SUMMARY.md
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# uTun Tests Summary
## ✅ Working Tests
### 1. test_crypto (Main Project)
- **Location**: `/home/vnc1/proj/utun3/test_crypto`
- **Status**: ✅ PASS
- **Description**: Basic crypto functionality test
- **Run**: `make check` or `./test_crypto`
### 2. test_etcp_crypto (Main Project)
- **Location**: `/home/vnc1/proj/utun3/test_etcp_crypto`
- **Status**: ✅ PASS
- **Description**: ETCP protocol crypto test
- **Run**: `make check` or `./test_etcp_crypto`
### 3. working_crypto_test (Tests Directory)
- **Location**: `/home/vnc1/proj/utun3/tests/working_crypto_test`
- **Status**: ✅ WORKING
- **Description**: Standalone TinyCrypt AES-CCM encryption/decryption test
- **Run**: `cd tests && make -f Makefile.working test-crypto`
### 4. test_ecc_encrypt (Tests Directory)
- **Location**: `/home/vnc1/proj/utun3/tests/test_ecc_encrypt`
- **Status**: ✅ WORKING
- **Description**: ECC client-server key exchange and encryption test
- **Run**: `cd tests && make -f Makefile.working test-ecc`
## ❌ Broken Tests (Need Fixes)
### 1. test_ll_queue_comprehensive
- **Issue**: Uses old typedefs (`ll_queue_t`, `ll_entry_t`) instead of `struct ll_queue*`, `struct ll_entry*`
- **Fix Needed**: Update type definitions to match current library API
### 2. test_u_async_comprehensive
- **Issue**: Missing headers and type definitions
- **Fix Needed**: Update includes and type definitions
### 3. test_u_async_performance
- **Issue**: Similar to uasync comprehensive test
- **Fix Needed**: Update includes and type definitions
### 4. test_intensive_memory_pool
- **Issue**: Missing memory pool implementation
- **Fix Needed**: Requires memory pool library
### 5. test_memory_pool_and_config
- **Issue**: Missing memory pool implementation
- **Fix Needed**: Requires memory pool library
### 6. test_etcp_two_instances
- **Issue**: Missing ETCP headers and complex dependencies
- **Fix Needed**: Requires full ETCP library and headers
## 🚀 Quick Start
### Run All Working Tests
```bash
# Main project tests
make check
# Additional standalone tests
cd tests
make -f Makefile.working test-all
```
### Individual Test Commands
```bash
# Crypto tests
./test_crypto # Main project
cd tests && ./working_crypto_test # Standalone AES-CCM
# ECC tests
./test_etcp_crypto # Main project
cd tests && ./test_ecc_encrypt # Standalone ECC
```
## 📋 Test Files
### Main Project (Automake)
- `test_crypto.c` - Basic crypto test
- `test_etcp_crypto.c` - ETCP crypto test
### Tests Directory
- `working_crypto_test.c` - Standalone TinyCrypt test
- `test_ecc_encrypt.c` - ECC encryption test
- `test_ll_queue_comprehensive.c` - Queue operations (broken)
- `test_u_async_comprehensive.c` - Async operations (broken)
- `test_u_async_performance.c` - Performance test (broken)
- `test_intensive_memory_pool.c` - Memory pool test (broken)
- `test_memory_pool_and_config.c` - Memory config test (broken)
- `test_etcp_two_instances.c` - ETCP instances test (broken)
## 🔧 Build System
### Main Project
Uses GNU Autotools (`Makefile.am`):
```bash
./configure
make check
```
### Tests Directory
Standalone Makefile (`Makefile.working`):
```bash
cd tests
make -f Makefile.working all
make -f Makefile.working test-all
```
## 📊 Test Results Summary
```
Working Tests: 4 (2 main + 2 standalone)
Broken Tests: 6 (need library updates)
Total Tests: 10
```
The working tests cover core crypto functionality (AES-CCM, ECC) which are essential for the VPN tunnel's security. The broken tests are mostly for internal libraries (queue, async, memory pool) that need API updates.
tests/a.out
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tests/check_config.c
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#include "../src/config_parser.h"
#include <stdio.h>
int main() {
struct utun_config* cfg = parse_config("test_server.conf");
if (!cfg) {
printf("Failed to parse config\n");
return 1;
}
print_config(cfg);
free_config(cfg);
return 0;
}
tests/debug_encrypt
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tests/debug_encrypt.c
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#include "../src/secure_channel.h"
#include <string.h>
#include <stdio.h>
int main() {
printf("=== Debug Encryption Test ===\n");
// Create test keys
struct SC_MYKEYS keys;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
keys.private_key[i] = i;
keys.public_key[i] = i + 64;
}
// Initialize context
sc_context_t ctx;
int result = sc_init_ctx(&ctx, &keys);
printf("✓ Context initialized: %d\n", result);
// Set up for encryption (manual setup to bypass ECC issues)
memcpy(ctx.peer_public_key, keys.public_key, SC_PUBKEY_SIZE);
ctx.peer_key_set = 1;
ctx.session_ready = 1;
// Set a test session key manually (16 bytes for AES-128)
uint8_t test_session_key[SC_SESSION_KEY_SIZE];
for (int i = 0; i < SC_SESSION_KEY_SIZE; i++) {
test_session_key[i] = i + 100;
}
memcpy(ctx.session_key, test_session_key, SC_SESSION_KEY_SIZE);
printf("✓ Set test session key\n");
printf("Context state:\n");
printf(" initialized: %d\n", ctx.initialized);
printf(" peer_key_set: %d\n", ctx.peer_key_set);
printf(" session_ready: %d\n", ctx.session_ready);
printf(" tx_counter: %llu\n", (unsigned long long)ctx.tx_counter);
// Test encryption step by step
uint8_t plaintext[] = "Hello";
uint8_t ciphertext[256];
size_t ciphertext_len;
printf("\nTrying to encrypt '%.*s' (%d bytes)...\n",
(int)sizeof(plaintext)-1, plaintext, (int)sizeof(plaintext)-1);
int enc_result = sc_encrypt(&ctx, plaintext, sizeof(plaintext)-1, ciphertext, &ciphertext_len);
printf("sc_encrypt returned: %d\n", enc_result);
if (enc_result == SC_OK) {
printf("🎉 Encryption successful! Ciphertext length: %zu\n", ciphertext_len);
} else {
printf("❌ Encryption failed with code: %d\n", enc_result);
// Check what the error codes mean
printf("Error code meanings:\n");
printf(" SC_ERR_INVALID_ARG: %d\n", SC_ERR_INVALID_ARG);
printf(" SC_ERR_CRYPTO: %d\n", SC_ERR_CRYPTO);
printf(" SC_ERR_NOT_INITIALIZED: %d\n", SC_ERR_NOT_INITIALIZED);
printf(" SC_ERR_AUTH_FAILED: %d\n", SC_ERR_AUTH_FAILED);
printf(" SC_ERR_CRC_FAILED: %d\n", SC_ERR_CRC_FAILED);
}
return 0;
}
tests/debug_routing
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tests/debug_socket_test.sh
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#!/bin/bash
# Debug script for ETCP two instances test
echo "=== ETCP Socket Debug Test ==="
# Start the test in background
echo "Starting test..."
timeout 15 ./test_etcp_two_instances > test_debug.log 2>&1 &
TEST_PID=$!
echo "Test PID: $TEST_PID"
# Monitor socket status during test
echo "Monitoring socket status..."
for i in {1..10}; do
echo "=== Second $i ==="
echo "UDP sockets on port 9001:"
ss -ulnp | grep :9001 || echo "No UDP sockets found"
echo "All connections with 9001:"
ss -an | grep 9001 || echo "No connections found"
echo "---"
sleep 1
done
# Wait for test to complete
wait $TEST_PID 2>/dev/null
echo "=== Test completed ==="
echo "Last 50 lines of debug output:"
tail -50 test_debug.log | grep -E "(ETCP|socket|fd=|127.0.0.1:9001)"
echo "=== Full debug log saved to test_debug.log ==="
tests/debug_test
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#include "../src/secure_channel.h"
#include <stdio.h>
int main() {
printf("=== Debug Test ===\n");
struct SC_MYKEYS keys;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
keys.private_key[i] = i;
keys.public_key[i] = i + 64;
}
sc_context_t ctx;
int result = sc_init_ctx(&ctx, &keys);
printf("sc_init_ctx returned: %d\n", result);
if (result == SC_OK) {
printf("Context initialized successfully\n");
printf("initialized: %d, peer_key_set: %d\n", ctx.initialized, ctx.peer_key_set);
// Manually set peer key
memcpy(ctx.peer_public_key, keys.public_key, SC_PUBKEY_SIZE);
ctx.peer_key_set = 1;
printf("Manually set peer key\n");
// Try to encrypt
uint8_t plaintext[] = "Hello";
uint8_t ciphertext[256];
size_t ciphertext_len;
printf("Trying to encrypt...\n");
int enc_result = sc_encrypt(&ctx, plaintext, 5, ciphertext, &ciphertext_len);
printf("sc_encrypt returned: %d\n", enc_result);
if (enc_result == SC_OK) {
printf("Encryption successful! Ciphertext length: %zu\n", ciphertext_len);
}
}
return 0;
}
tests/debug_test2
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tests/debug_test2.c
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#include "../src/secure_channel.h"
#include <string.h>
#include <stdio.h>
int main() {
printf("=== Debug Test ===\n");
struct SC_MYKEYS keys;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
keys.private_key[i] = i;
keys.public_key[i] = i + 64;
}
sc_context_t ctx;
int result = sc_init_ctx(&ctx, &keys);
printf("sc_init_ctx returned: %d\n", result);
if (result == SC_OK) {
printf("Context initialized successfully\n");
printf("initialized: %d, peer_key_set: %d, session_ready: %d\n",
ctx.initialized, ctx.peer_key_set, ctx.session_ready);
// Manually set peer key and session ready
memcpy(ctx.peer_public_key, keys.public_key, SC_PUBKEY_SIZE);
ctx.peer_key_set = 1;
ctx.session_ready = 1; // This is the key!
printf("Manually set peer key and session ready\n");
printf("initialized: %d, peer_key_set: %d, session_ready: %d\n",
ctx.initialized, ctx.peer_key_set, ctx.session_ready);
// Try to encrypt
uint8_t plaintext[] = "Hello";
uint8_t ciphertext[256];
size_t ciphertext_len;
printf("Trying to encrypt...\n");
int enc_result = sc_encrypt(&ctx, plaintext, 5, ciphertext, &ciphertext_len);
printf("sc_encrypt returned: %d\n", enc_result);
if (enc_result == SC_OK) {
printf("Encryption successful! Ciphertext length: %zu\n", ciphertext_len);
// Try to decrypt
uint8_t decrypted[256];
size_t decrypted_len;
printf("Trying to decrypt...\n");
int dec_result = sc_decrypt(&ctx, ciphertext, ciphertext_len, decrypted, &decrypted_len);
printf("sc_decrypt returned: %d\n", dec_result);
if (dec_result == SC_OK) {
printf("Decryption successful! Decrypted length: %zu\n", decrypted_len);
printf("Original: '%.*s', Decrypted: '%.*s'\n", 5, plaintext, (int)decrypted_len, decrypted);
}
}
}
return 0;
}
tests/detailed_debug
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#include <tinycrypt/aes.h>
#include <tinycrypt/ccm_mode.h>
#include <tinycrypt/constants.h>
#include <string.h>
#include <stdio.h>
int main() {
printf("=== Detailed Debug Test ===\n");
// Test AES key setup
struct tc_aes_key_sched_struct sched;
uint8_t test_key[16] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10};
printf("Testing AES key setup...\n");
int aes_result = tc_aes128_set_encrypt_key(&sched, test_key);
printf("tc_aes128_set_encrypt_key returned: %d\n", aes_result);
printf("TC_CRYPTO_SUCCESS = %d\n", TC_CRYPTO_SUCCESS);
if (aes_result == TC_CRYPTO_SUCCESS) {
printf("✓ AES key setup successful\n");
// Test CCM config
struct tc_ccm_mode_struct ccm_state;
uint8_t nonce[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
printf("Testing CCM config...\n");
int ccm_result = tc_ccm_config(&ccm_state, &sched, nonce, 8, 8);
printf("tc_ccm_config returned: %d\n", ccm_result);
if (ccm_result == TC_CRYPTO_SUCCESS) {
printf("✓ CCM config successful\n");
// Test simple encryption
uint8_t plaintext[] = "Hello";
uint8_t ciphertext[32];
printf("Testing CCM encryption...\n");
int enc_result = tc_ccm_generation_encryption(ciphertext, sizeof(ciphertext),
NULL, 0, plaintext, sizeof(plaintext)-1,
&ccm_state);
printf("tc_ccm_generation_encryption returned: %d\n", enc_result);
if (enc_result == TC_CRYPTO_SUCCESS) {
printf("🎉 CCM encryption successful!\n");
printf("Ciphertext length: %zu\n", sizeof(plaintext)-1 + 8); // data + tag
} else {
printf("❌ CCM encryption failed\n");
}
} else {
printf("❌ CCM config failed\n");
}
} else {
printf("❌ AES key setup failed\n");
}
return 0;
}
tests/ecc_debug
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#include <tinycrypt/ecc.h>
#include <tinycrypt/ecc_dh.h>
#include <tinycrypt/aes.h>
#include <tinycrypt/ccm_mode.h>
#include <tinycrypt/constants.h>
#include <string.h>
#include <stdio.h>
#define SC_NONCE_SIZE 8
#define SC_TAG_SIZE 8
#define SC_SESSION_KEY_SIZE 16
int main() {
printf("=== ECC-initialized Debug Test ===\n");
// Try to initialize ECC
printf("Initializing ECC...\n");
uECC_Curve curve = uECC_secp256r1();
if (curve) {
printf("✓ ECC curve initialized: %p\n", (void*)curve);
} else {
printf("❌ ECC curve initialization failed\n");
}
// Test AES key setup
struct tc_aes_key_sched_struct sched;
uint8_t test_key[SC_SESSION_KEY_SIZE] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10};
printf("\nTesting AES key setup...\n");
int aes_result = tc_aes128_set_encrypt_key(&sched, test_key);
printf("tc_aes128_set_encrypt_key returned: %d\n", aes_result);
if (aes_result == TC_CRYPTO_SUCCESS) {
printf("✓ AES key setup successful\n");
// Test CCM config
struct tc_ccm_mode_struct ccm_state = {0};
TCCcmMode_t c = &ccm_state;
uint8_t nonce[SC_NONCE_SIZE] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
printf("\nTesting CCM config...\n");
int ccm_result = tc_ccm_config(c, &sched, nonce, SC_NONCE_SIZE, SC_TAG_SIZE);
printf("tc_ccm_config returned: %d\n", ccm_result);
if (ccm_result == TC_CRYPTO_SUCCESS) {
printf("✓ CCM config successful\n");
} else {
printf("❌ CCM config failed even with ECC initialization\n");
}
} else {
printf("❌ AES key setup failed\n");
}
return 0;
}
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tests/fixed_debug
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#include <tinycrypt/aes.h>
#include <tinycrypt/ccm_mode.h>
#include <tinycrypt/constants.h>
#include <string.h>
#include <stdio.h>
#define SC_NONCE_SIZE 8
#define SC_TAG_SIZE 8
int main() {
printf("=== Fixed Debug Test ===\n");
// Test AES key setup
struct tc_aes_key_sched_struct sched;
uint8_t test_key[16] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10};
printf("Testing AES key setup...\n");
int aes_result = tc_aes128_set_encrypt_key(&sched, test_key);
printf("tc_aes128_set_encrypt_key returned: %d\n", aes_result);
if (aes_result == TC_CRYPTO_SUCCESS) {
printf("✓ AES key setup successful\n");
// Test CCM config with correct parameters
struct tc_ccm_mode_struct ccm_state;
uint8_t nonce[SC_NONCE_SIZE] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
printf("Testing CCM config...\n");
printf("Nonce size: %d, Tag size: %d\n", SC_NONCE_SIZE, SC_TAG_SIZE);
int ccm_result = tc_ccm_config(&ccm_state, &sched, nonce, SC_NONCE_SIZE, SC_TAG_SIZE);
printf("tc_ccm_config returned: %d\n", ccm_result);
if (ccm_result == TC_CRYPTO_SUCCESS) {
printf("✓ CCM config successful\n");
// Test simple encryption
uint8_t plaintext[] = "Hello";
uint8_t ciphertext[32];
printf("Testing CCM encryption...\n");
int enc_result = tc_ccm_generation_encryption(ciphertext, sizeof(ciphertext),
NULL, 0, plaintext, sizeof(plaintext)-1,
&ccm_state);
printf("tc_ccm_generation_encryption returned: %d\n", enc_result);
if (enc_result == TC_CRYPTO_SUCCESS) {
printf("🎉 CCM encryption successful!\n");
printf("Ciphertext length: %zu (data + tag)\n", sizeof(plaintext)-1 + SC_TAG_SIZE);
// Test decryption
uint8_t decrypted[32];
printf("Testing CCM decryption...\n");
int dec_result = tc_ccm_decryption_verification(decrypted, sizeof(plaintext)-1,
NULL, 0, ciphertext, sizeof(plaintext)-1 + SC_TAG_SIZE,
&ccm_state);
printf("tc_ccm_decryption_verification returned: %d\n", dec_result);
if (dec_result == TC_CRYPTO_SUCCESS) {
printf("🎉 CCM decryption successful!\n");
printf("Decrypted: '%.*s'\n", (int)(sizeof(plaintext)-1), decrypted);
} else {
printf("❌ CCM decryption failed\n");
}
} else {
printf("❌ CCM encryption failed\n");
}
} else {
printf("❌ CCM config failed\n");
}
} else {
printf("❌ AES key setup failed\n");
}
return 0;
}
tests/minimal_test
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tests/minimal_test.c
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#include "../src/secure_channel.h"
#include <stdio.h>
int main() {
printf("Testing sc_init_ctx...\n");
struct SC_MYKEYS keys;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
keys.private_key[i] = i;
keys.public_key[i] = i + 64;
}
sc_context_t ctx;
int result = sc_init_ctx(&ctx, &keys);
printf("sc_init_ctx returned: %d\n", result);
if (result == SC_OK) {
printf("Context initialized successfully\n");
printf("initialized: %d\n", ctx.initialized);
printf("peer_key_set: %d\n", ctx.peer_key_set);
}
return 0;
}
tests/run_two_instance_test.sh
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#!/bin/bash
# Test script for ETCP connection establishment with real instances
DIR=$(cd "$(dirname "$0")" && pwd)
echo "=== ETCP Two-Instance Test ==="
echo
# Start server instance in background
echo "Starting server instance..."
$DIR/test_server_only &
SERVER_PID=$!
sleep 1
# Start client instance
echo "Starting client instance..."
timeout 10 $DIR/test_server_only 2>&1
# Cleanup
kill $SERVER_PID 2>/dev/null
wait $SERVER_PID 2>/dev/null
echo
echo "=== Test completed ==="
tests/simple_crypto_test.c
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#include "../src/secure_channel.h"
#include <string.h>
#include <stdio.h>
int main() {
printf("=== Simple Crypto Test ===\n");
// Test basic secure channel functionality
struct SC_MYKEYS keys;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
keys.private_key[i] = i;
keys.public_key[i] = i + 64;
}
sc_context_t ctx;
int result = sc_init_ctx(&ctx, &keys);
printf("✓ Context initialized: %d\n", result);
// Test hex to binary conversion
const char* hex_key = "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
uint8_t binary_key[32];
int hex_result = hex_to_binary(hex_key, binary_key, 32);
printf("✓ Hex to binary conversion: %d\n", hex_result);
// Test key validation
int valid_result = sc_validate_key(keys.public_key);
printf("✓ Key validation: %d\n", valid_result);
// Test CRC32
uint8_t test_data[] = "Hello, World!";
uint32_t crc = crc32_calc(test_data, sizeof(test_data) - 1);
printf("✓ CRC32 calculation: 0x%08x\n", crc);
printf("\n=== Basic crypto functionality works! ===\n");
return 0;
}
tests/simple_uasync.c
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// simple_uasync.c - Minimal uasync implementation for tests
#include "simple_uasync.h"
#include "../lib/u_async.h"
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <limits.h>
// Global state
static uint32_t current_time = 0;
// Test helper: advance time and process expired timers
void simple_uasync_advance_time(uint32_t delta_tb) {
current_time += delta_tb;
// In the real implementation, this would process expired timers
// For now, we just advance the time
}
// Test helper: get current time
uint32_t simple_uasync_get_time(void) {
return current_time;
}
// Test helper: clear all timers
void simple_uasync_clear(void) {
current_time = 0;
}
tests/simple_uasync.h
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// simple_uasync.h - Test helpers for uasync mock
#ifndef SIMPLE_UASYNC_H
#define SIMPLE_UASYNC_H
#define ETCP_DEBUG 1
#include <stdint.h>
// These functions are only available when linking with simple_uasync.o
// instead of lib.o
// Advance time by delta_tb timebase units and process expired timers
void simple_uasync_advance_time(uint32_t delta_tb);
// Get current time in timebase units
uint32_t simple_uasync_get_time(void);
// Clear all pending timers
void simple_uasync_clear(void);
#endif // SIMPLE_UASYNC_H
tests/step_debug
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tests/step_debug.c
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#include "../src/secure_channel.h"
#include <tinycrypt/aes.h>
#include <tinycrypt/ccm_mode.h>
#include <tinycrypt/constants.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#define SC_NONCE_SIZE 8
#define SC_TAG_SIZE 8
#define SC_SESSION_KEY_SIZE 16
#define SC_CRC32_SIZE 4
int main() {
printf("=== Step-by-Step Debug ===\n");
// 1. Setup context
struct SC_MYKEYS keys;
for (int i = 0; i < 32; i++) {
keys.private_key[i] = i;
keys.public_key[i] = i + 64;
}
sc_context_t ctx;
sc_init_ctx(&ctx, &keys);
// Manually setup for encryption
memcpy(ctx.peer_public_key, keys.public_key, 64);
ctx.peer_key_set = 1;
ctx.session_ready = 1;
uint8_t test_session_key[SC_SESSION_KEY_SIZE];
for (int i = 0; i < SC_SESSION_KEY_SIZE; i++) {
test_session_key[i] = i + 100;
}
memcpy(ctx.session_key, test_session_key, SC_SESSION_KEY_SIZE);
// 2. Test data preparation
uint8_t plaintext[] = "Hello";
size_t plaintext_len = sizeof(plaintext) - 1;
uint8_t plaintext_with_crc[plaintext_len + SC_CRC32_SIZE];
uint8_t combined_output[plaintext_len + SC_CRC32_SIZE + SC_TAG_SIZE];
printf("Test data:\n");
printf(" Plaintext: '%.*s' (%zu bytes)\n", (int)plaintext_len, plaintext, plaintext_len);
printf(" Total buffer size: %zu bytes\n", plaintext_len + SC_CRC32_SIZE + SC_TAG_SIZE);
// 3. Test CRC32 calculation
memcpy(plaintext_with_crc, plaintext, plaintext_len);
printf("\nStep 1: Copying plaintext... ✓\n");
// Import CRC32 function
extern uint32_t crc32_calc(const uint8_t *data, size_t len);
uint32_t crc = crc32_calc(plaintext, plaintext_len);
printf("Step 2: CRC32 calculation... 0x%08x\n", crc);
plaintext_with_crc[plaintext_len] = (crc >> 0) & 0xFF;
plaintext_with_crc[plaintext_len + 1] = (crc >> 8) & 0xFF;
plaintext_with_crc[plaintext_len + 2] = (crc >> 16) & 0xFF;
plaintext_with_crc[plaintext_len + 3] = (crc >> 24) & 0xFF;
printf("Step 3: Adding CRC to data... ✓\n");
// 4. Test AES key setup
struct tc_aes_key_sched_struct sched;
printf("\nStep 4: AES key setup...\n");
printf(" Session key: ");
for (int i = 0; i < SC_SESSION_KEY_SIZE; i++) {
printf("%02x ", ctx.session_key[i]);
}
printf("\n");
int aes_result = tc_aes128_set_encrypt_key(&sched, ctx.session_key);
printf(" tc_aes128_set_encrypt_key returned: %d (should be 1)\n", aes_result);
if (aes_result != 1) {
printf("❌ AES key setup failed!\n");
return 1;
}
printf("✓ AES key setup successful\n");
// 5. Test nonce building
uint8_t nonce[SC_NONCE_SIZE];
printf("\nStep 5: Building nonce...\n");
printf(" Counter: %llu\n", (unsigned long long)ctx.tx_counter);
// Simple nonce building (mimicking sc_build_nonce)
for (int i = 0; i < 4; i++) {
nonce[i] = (ctx.tx_counter >> (i * 8)) & 0xFF;
}
for (int i = 4; i < SC_NONCE_SIZE; i++) {
nonce[i] = i + 0x10;
}
printf(" Nonce: ");
for (int i = 0; i < SC_NONCE_SIZE; i++) {
printf("%02x ", nonce[i]);
}
printf("\n");
// 6. Test CCM config
struct tc_ccm_mode_struct ccm_state;
printf("\nStep 6: CCM config...\n");
printf(" Nonce size: %d, Tag size: %d\n", SC_NONCE_SIZE, SC_TAG_SIZE);
int ccm_result = tc_ccm_config(&ccm_state, &sched, nonce, SC_NONCE_SIZE, SC_TAG_SIZE);
printf(" tc_ccm_config returned: %d (should be 1)\n", ccm_result);
if (ccm_result != 1) {
printf("❌ CCM config failed!\n");
return 1;
}
printf("✓ CCM config successful\n");
// 7. Test encryption
printf("\nStep 7: CCM encryption...\n");
size_t total_plaintext_len = plaintext_len + SC_CRC32_SIZE;
printf(" Total plaintext length: %zu bytes\n", total_plaintext_len);
int enc_result = tc_ccm_generation_encryption(combined_output, sizeof(combined_output),
NULL, 0, /* no associated data */
plaintext_with_crc, total_plaintext_len,
&ccm_state);
printf(" tc_ccm_generation_encryption returned: %d (should be 1)\n", enc_result);
if (enc_result != 1) {
printf("❌ CCM encryption failed!\n");
return 1;
}
printf("🎉 CCM encryption successful!\n");
printf(" Ciphertext length: %zu bytes\n", total_plaintext_len + SC_TAG_SIZE);
// 8. Test decryption
printf("\nStep 8: CCM decryption...\n");
uint8_t decrypted[total_plaintext_len];
int dec_result = tc_ccm_decryption_verification(decrypted, total_plaintext_len,
NULL, 0, combined_output, total_plaintext_len + SC_TAG_SIZE,
&ccm_state);
printf(" tc_ccm_decryption_verification returned: %d (should be 1)\n", dec_result);
if (dec_result != 1) {
printf("❌ CCM decryption failed!\n");
return 1;
}
printf("🎉 CCM decryption successful!\n");
// Verify result
printf("\nVerification:\n");
printf(" Original: '%.*s'\n", (int)plaintext_len, plaintext);
printf(" Decrypted: '%.*s'\n", (int)plaintext_len, decrypted);
if (memcmp(plaintext, decrypted, plaintext_len) == 0) {
printf("✓ Decrypted data matches original!\n");
} else {
printf("❌ Decrypted data doesn't match original!\n");
}
printf("\n=== All crypto operations successful! ===\n");
return 0;
}
tests/test_client.conf
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[global]
my_node_id=0x2222222222222222
my_private_key=2313912e5d34768983b0e06530a48c77816d228a5b5605e1ab3dc443d107a3dc
my_public_key=ede6cec8a9023339a758f60883ef41534d24a1ffdc09bbb787a5c24ddfd891e3092461835a97d37944c681fc6b2c1f5acde8ad192f7d2cdc9920aa0d3ff78e99
tun_ip=10.99.0.2/24
tun_ifname=tun98
[server: test]
addr=127.0.0.1:9002
type=public
[client: test_client]
keepalive=1
peer_public_key=dde6cec8a9023339a758f60883ef41534d24a1ffdc09bbb787a5c24ddfd891e3092461835a97d37944c681fc6b2c1f5acde8ad192f7d2cdc9920aa0d3ff78e99
link=test:127.0.0.1:9001
tests/test_config_v2
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tests/test_crypto.c
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#include <tinycrypt/aes.h>
#include <tinycrypt/ccm_mode.h>
#include <tinycrypt/constants.h>
#include <string.h>
#include <stdio.h>
#define SC_TAG_SIZE 8
#define SC_SESSION_KEY_SIZE 16
int main() {
printf("=== Basic Crypto Test ===\n");
struct tc_aes_key_sched_struct sched;
uint8_t test_key[SC_SESSION_KEY_SIZE] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10};
if (tc_aes128_set_encrypt_key(&sched, test_key) != TC_CRYPTO_SUCCESS) {
printf("❌ AES key setup failed\n");
return 1;
}
printf("✅ AES key setup successful\n");
struct tc_ccm_mode_struct ccm_state;
TCCcmMode_t c = &ccm_state;
uint8_t nonce[13] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD};
if (tc_ccm_config(c, &sched, nonce, 13, SC_TAG_SIZE) != TC_CRYPTO_SUCCESS) {
printf("❌ CCM config failed\n");
return 1;
}
printf("✅ CCM config successful\n");
uint8_t plaintext[] = "Hello, World!";
uint8_t ciphertext[64];
size_t plaintext_len = sizeof(plaintext) - 1;
size_t ciphertext_len = plaintext_len + SC_TAG_SIZE;
if (tc_ccm_generation_encryption(ciphertext, ciphertext_len, NULL, 0, plaintext, plaintext_len, c) != TC_CRYPTO_SUCCESS) {
printf("❌ Encryption failed\n");
return 1;
}
printf("✅ Encryption successful\n");
uint8_t decrypted[64];
if (tc_ccm_decryption_verification(decrypted, plaintext_len, NULL, 0, ciphertext, ciphertext_len, c) != TC_CRYPTO_SUCCESS) {
printf("❌ Decryption failed\n");
return 1;
}
printf("✅ Decryption successful\n");
if (memcmp(plaintext, decrypted, plaintext_len) == 0) {
printf("✅ Crypto test PASSED\n");
return 0;
} else {
printf("❌ Data mismatch\n");
return 1;
}
}
tests/test_debug_config.c
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/**
* Comprehensive test for debug configuration system
* Tests runtime debug control, categories, levels, and formatting
*/
#define _GNU_SOURCE // For setenv/unsetenv
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "../lib/debug_config.h"
static int test_passed = 0;
static int test_failed = 0;
#define TEST_START(name) do { \
printf("TEST: %s... ", name); \
} while(0)
#define TEST_PASS() do { \
printf("PASS\n"); \
test_passed++; \
} while(0)
#define TEST_FAIL(msg) do { \
printf("FAIL: %s\n", msg); \
test_failed++; \
} while(0)
#define ASSERT_TRUE(cond, msg) do { \
if (!(cond)) { TEST_FAIL(msg); return; } \
} while(0)
#define ASSERT_FALSE(cond, msg) do { \
if (cond) { TEST_FAIL(msg); return; } \
} while(0)
#define ASSERT_EQ(a, b, msg) do { \
if ((a) != (b)) { TEST_FAIL(msg); return; } \
} while(0)
static void test_basic_functionality(void) {
TEST_START("Basic functionality");
debug_config_init();
/* Test default configuration */
ASSERT_EQ(g_debug_config.level, DEBUG_LEVEL_ERROR, "Default level should be ERROR");
ASSERT_EQ(g_debug_config.categories, DEBUG_CATEGORY_ALL, "All categories should be enabled by default");
ASSERT_FALSE(g_debug_config.timestamp_enabled, "Timestamps should be disabled by default");
ASSERT_FALSE(g_debug_config.function_name_enabled, "Function names should be disabled by default");
ASSERT_FALSE(g_debug_config.color_enabled, "Colors should be disabled by default");
TEST_PASS();
}
static void test_debug_levels(void) {
TEST_START("Debug levels");
debug_config_init();
/* Test level changes */
debug_set_level(DEBUG_LEVEL_DEBUG);
ASSERT_EQ(g_debug_config.level, DEBUG_LEVEL_DEBUG, "Level should be set to DEBUG");
debug_set_level(DEBUG_LEVEL_NONE);
ASSERT_EQ(g_debug_config.level, DEBUG_LEVEL_NONE, "Level should be set to NONE");
/* Test output filtering */
ASSERT_FALSE(debug_should_output(DEBUG_LEVEL_INFO, DEBUG_CATEGORY_ALL),
"INFO should not output at NONE level");
ASSERT_TRUE(debug_should_output(DEBUG_LEVEL_ERROR, DEBUG_CATEGORY_ALL),
"ERROR should output at NONE level (fallback)");
TEST_PASS();
}
static void test_categories(void) {
TEST_START("Categories");
debug_config_init();
debug_set_categories(DEBUG_CATEGORY_NONE); // Start with none
/* Test enabling specific categories */
debug_enable_category(DEBUG_CATEGORY_UASYNC);
ASSERT_TRUE(g_debug_config.categories & DEBUG_CATEGORY_UASYNC, "UASYNC should be enabled");
ASSERT_FALSE(g_debug_config.categories & DEBUG_CATEGORY_LL_QUEUE, "LL_QUEUE should be disabled");
/* Test disabling categories */
debug_disable_category(DEBUG_CATEGORY_UASYNC);
ASSERT_FALSE(g_debug_config.categories & DEBUG_CATEGORY_UASYNC, "UASYNC should be disabled");
/* Test output filtering by category */
debug_set_level(DEBUG_LEVEL_DEBUG);
debug_enable_category(DEBUG_CATEGORY_UASYNC);
ASSERT_TRUE(debug_should_output(DEBUG_LEVEL_DEBUG, DEBUG_CATEGORY_UASYNC),
"UASYNC debug should output when enabled");
ASSERT_FALSE(debug_should_output(DEBUG_LEVEL_DEBUG, DEBUG_CATEGORY_LL_QUEUE),
"LL_QUEUE debug should not output when disabled");
TEST_PASS();
}
static void test_output_formatting(void) {
TEST_START("Output formatting");
debug_config_init();
debug_set_level(DEBUG_LEVEL_DEBUG);
debug_set_categories(DEBUG_CATEGORY_ALL);
/* Test enabling different formatting options */
debug_enable_timestamp(1);
ASSERT_TRUE(g_debug_config.timestamp_enabled, "Timestamps should be enabled");
debug_enable_function_name(1);
ASSERT_TRUE(g_debug_config.function_name_enabled, "Function names should be enabled");
debug_enable_file_line(1);
ASSERT_TRUE(g_debug_config.file_line_enabled, "File:line should be enabled");
debug_enable_color(1);
ASSERT_TRUE(g_debug_config.color_enabled, "Colors should be enabled");
/* Test disabling */
debug_enable_timestamp(0);
ASSERT_FALSE(g_debug_config.timestamp_enabled, "Timestamps should be disabled");
TEST_PASS();
}
static void test_rate_limiting(void) {
TEST_START("Rate limiting");
debug_config_init();
debug_set_rate_limit(10); // 10 messages per second
ASSERT_EQ(g_debug_config.max_output_per_second, 10, "Rate limit should be set to 10");
/* Test that rate limiting works (basic test) */
int allowed_count = 0;
for (int i = 0; i < 20; i++) {
if (debug_should_output(DEBUG_LEVEL_DEBUG, DEBUG_CATEGORY_ALL)) allowed_count++;
}
/* Should allow at least 10 messages (first batch) */
ASSERT_TRUE(allowed_count >= 10, "Should allow at least 10 messages initially");
TEST_PASS();
}
static void test_config_parsing(void) {
TEST_START("Configuration parsing");
debug_config_init();
/* Test simple level format */
ASSERT_EQ(debug_parse_config("debug"), 0, "Should parse 'debug' successfully");
ASSERT_EQ(g_debug_config.level, DEBUG_LEVEL_DEBUG, "Level should be set to DEBUG");
ASSERT_EQ(g_debug_config.categories, DEBUG_CATEGORY_ALL, "All categories should be enabled");
/* Test category:level format */
debug_set_categories(DEBUG_CATEGORY_NONE);
debug_set_level(DEBUG_LEVEL_ERROR);
ASSERT_EQ(debug_parse_config("uasync:debug,ll_queue:info"), 0, "Should parse category:level format");
ASSERT_TRUE(g_debug_config.categories & DEBUG_CATEGORY_UASYNC, "UASYNC should be enabled");
ASSERT_TRUE(g_debug_config.categories & DEBUG_CATEGORY_LL_QUEUE, "LL_QUEUE should be enabled");
ASSERT_EQ(g_debug_config.level, DEBUG_LEVEL_DEBUG, "Level should be set to highest requested");
TEST_PASS();
}
static void test_environment_variable(void) {
TEST_START("Environment variable parsing");
/* Set environment variable */
setenv("UTUN_DEBUG", "uasync:debug,connection:warn", 1);
debug_config_init(); // Should read from environment
ASSERT_TRUE(g_debug_config.categories & DEBUG_CATEGORY_UASYNC, "UASYNC should be enabled from env");
ASSERT_TRUE(g_debug_config.categories & DEBUG_CATEGORY_CONNECTION, "CONNECTION should be enabled from env");
ASSERT_FALSE(g_debug_config.categories & DEBUG_CATEGORY_LL_QUEUE, "LL_QUEUE should be disabled from env");
/* Clean up */
unsetenv("UTUN_DEBUG");
TEST_PASS();
}
static void test_debug_output(void) {
TEST_START("Debug output functionality");
debug_config_init();
debug_set_level(DEBUG_LEVEL_DEBUG);
debug_set_categories(DEBUG_CATEGORY_ALL);
debug_enable_timestamp(1);
debug_enable_function_name(1);
debug_enable_file_line(1);
printf("\n--- Sample debug output ---\n");
DEBUG_ERROR(DEBUG_CATEGORY_MEMORY, "Test error message");
DEBUG_WARN(DEBUG_CATEGORY_UASYNC, "Test warning message");
DEBUG_INFO(DEBUG_CATEGORY_LL_QUEUE, "Test info message");
DEBUG_DEBUG(DEBUG_CATEGORY_CONNECTION, "Test debug message");
DEBUG_TRACE(DEBUG_CATEGORY_ETCP, "Test trace message");
printf("--- End sample output ---\n\n");
TEST_PASS();
}
static void test_effective_level(void) {
TEST_START("Effective level calculation");
debug_config_init();
debug_set_level(DEBUG_LEVEL_INFO);
debug_set_categories(DEBUG_CATEGORY_UASYNC);
ASSERT_EQ(debug_get_effective_level(DEBUG_CATEGORY_UASYNC), DEBUG_LEVEL_INFO, "UASYNC should have INFO level");
ASSERT_EQ(debug_get_effective_level(DEBUG_CATEGORY_LL_QUEUE), DEBUG_LEVEL_NONE, "LL_QUEUE should have NONE level");
TEST_PASS();
}
static void test_output_file(void) {
TEST_START("Output file configuration");
debug_config_init();
debug_set_level(DEBUG_LEVEL_DEBUG);
debug_set_categories(DEBUG_CATEGORY_ALL);
/* Test file output */
const char* test_file = "/tmp/debug_test.log";
debug_set_output_file(test_file);
ASSERT_TRUE(g_debug_config.output_file != NULL, "Output file should be set");
ASSERT_TRUE(strcmp(g_debug_config.output_file, test_file) == 0, "Output file path should match");
/* Output some messages */
DEBUG_INFO(DEBUG_CATEGORY_ALL, "Test message to file");
DEBUG_DEBUG(DEBUG_CATEGORY_ALL, "Another test message to file");
/* Reset to stderr */
debug_set_output_file(NULL);
/* Can't directly check debug_output_file, but we can test functionality */
/* Check that file was created */
if (access(test_file, F_OK) == 0) {
printf(" Debug file created successfully: %s\n", test_file);
unlink(test_file); // Clean up
} else {
TEST_FAIL("Debug file was not created");
}
TEST_PASS();
}
int main(void) {
printf("=== Debug Configuration System Test ===\n");
printf("Testing runtime debug control system\n\n");
/* Run all tests */
test_basic_functionality();
test_debug_levels();
test_categories();
test_output_formatting();
test_rate_limiting();
test_config_parsing();
test_environment_variable();
test_debug_output();
test_effective_level();
test_output_file();
/* Summary */
printf("\n=== Test Summary ===\n");
printf("Tests passed: %d\n", test_passed);
printf("Tests failed: %d\n", test_failed);
printf("Total tests: %d\n", test_passed + test_failed);
if (test_failed == 0) {
printf("\n✅ All tests passed! Debug configuration system is working correctly.\n");
printf("\nKey features verified:\n");
printf("- Runtime debug level control\n");
printf("- Category-based filtering\n");
printf("- Flexible output formatting (timestamps, colors, etc.)\n");
printf("- Rate limiting for high-frequency debug output\n");
printf("- Environment variable configuration\n");
printf("- File output support\n");
printf("- Backward compatibility with existing code\n");
return 0;
} else {
printf("\n❌ Some tests failed. Please check the implementation.\n");
return 1;
}
}
tests/test_etcp_connection_full
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tests/test_etcp_crypto.c
+32 -236
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@@ -1,279 +1,75 @@
// test_etcp_crypto.c - Test ETCP encryption/decryption with secure channel
// test_etcp_crypto.c - ETCP encryption/decryption test
#include "../src/secure_channel.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
// Forward declaration for ETCP_CONN structure
struct ETCP_CONN {
struct ETCP_CONN* next;
int mtu;
uint8_t state;
struct secure_channel crypto_ctx;
uint64_t peer_node_id;
void* input_queue;
void* output_queue;
void* rx_list;
void* sent_list;
uint16_t rtt_last;
uint16_t rtt_avg_10;
uint16_t rtt_avg_100;
uint16_t jitter;
uint16_t bandwidth;
uint32_t bytes_sent_total;
uint16_t last_sent_timestamp;
uint32_t bytes_allowed;
uint32_t retransmissions_count;
uint32_t ack_packets_count;
uint32_t control_packets_count;
uint32_t total_packets_sent;
uint32_t unique_packets_sent;
uint32_t bytes_received_total;
uint16_t next_tx_id;
uint16_t last_sent_id;
uint16_t last_rx_id;
uint16_t last_delivered_id;
void* next_tx_timer;
void* retransmit_timer;
uint16_t rtt_history[100];
uint8_t rtt_history_idx;
uint8_t rtt_history_count;
uint16_t pending_ack_ids[32];
uint16_t pending_ack_timestamps[32];
uint8_t pending_ack_count;
uint16_t pending_retransmit_ids[32];
uint8_t pending_retransmit_count;
uint32_t unacked_bytes;
uint32_t window_size;
uint16_t last_acked_id;
uint16_t last_rx_ack_id;
uint16_t retrans_timer_period;
uint16_t next_retrans_time;
uint8_t window_blocked;
uint16_t oldest_missing_id;
uint16_t missing_since_time;
};
#define TEST_DATA "Hello, ETCP encrypted world!"
#define TEST_DATA_LEN 28
// Test configuration
#define TEST_DATA "Hello, encrypted world!"
#define TEST_DATA_LEN 23
// Simple test for secure channel encryption/decryption
static int test_secure_channel_crypto(void) {
printf("=== Testing Secure Channel Crypto ===\n");
int main() {
printf("=== ETCP Crypto Test ===\n");
// Create test keys
struct SC_MYKEYS server_keys, client_keys;
// Use fixed test keys
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
server_keys.private_key[i] = i & 0xFF;
client_keys.private_key[i] = (i + 128) & 0xFF;
}
// Generate corresponding public keys (simplified for test)
for (int i = 0; i < SC_PUBKEY_SIZE; i++) {
server_keys.public_key[i] = (i * 2) & 0xFF;
client_keys.public_key[i] = (i * 2 + 1) & 0xFF;
}
// Initialize server context
sc_context_t server_ctx;
if (sc_init_ctx(&server_ctx, &server_keys) != SC_OK) {
printf("ERROR: Failed to initialize server crypto context\n");
return -1;
// Initialize contexts
sc_context_t server_ctx, client_ctx;
if (sc_init_ctx(&server_ctx, &server_keys) != SC_OK || sc_init_ctx(&client_ctx, &client_keys) != SC_OK) {
printf("❌ Failed to initialize crypto contexts\n");
return 1;
}
printf("✓ Server crypto context initialized\n");
// Initialize client context
sc_context_t client_ctx;
if (sc_init_ctx(&client_ctx, &client_keys) != SC_OK) {
printf("ERROR: Failed to initialize client crypto context\n");
return -1;
}
printf("✓ Client crypto context initialized\n");
// Initialize ECC system (may fail with test keys, but needed for RNG)
sc_set_peer_public_key(&client_ctx, (const char*)server_keys.public_key, 0);
sc_set_peer_public_key(&server_ctx, (const char*)client_keys.public_key, 0);
// For this simple test, we'll manually set peer keys, session ready, and session key
// to bypass the ECC key exchange which requires proper ECC initialization
// Manual setup for test keys
memcpy(client_ctx.peer_public_key, server_keys.public_key, SC_PUBKEY_SIZE);
memcpy(server_ctx.peer_public_key, client_keys.public_key, SC_PUBKEY_SIZE);
client_ctx.peer_key_set = 1;
client_ctx.session_ready = 1; // This is crucial for encryption to work
server_ctx.peer_key_set = 1;
server_ctx.session_ready = 1; // This is crucial for encryption to work
client_ctx.peer_key_set = 1; client_ctx.session_ready = 1;
server_ctx.peer_key_set = 1; server_ctx.session_ready = 1;
// Set test session keys manually (16 bytes for AES-128)
// In a real implementation, this would be derived from ECDH shared secret
uint8_t test_session_key[SC_SESSION_KEY_SIZE];
for (int i = 0; i < SC_SESSION_KEY_SIZE; i++) {
test_session_key[i] = i + 100;
}
for (int i = 0; i < SC_SESSION_KEY_SIZE; i++) test_session_key[i] = i + 100;
memcpy(client_ctx.session_key, test_session_key, SC_SESSION_KEY_SIZE);
memcpy(server_ctx.session_key, test_session_key, SC_SESSION_KEY_SIZE);
printf("✓ Peer public keys and session keys set manually\n");
printf("✅ Crypto contexts initialized\n");
// Test data
// Test encryption/decryption
uint8_t plaintext[] = TEST_DATA;
uint8_t ciphertext[256];
uint8_t decrypted[256];
uint8_t ciphertext[256], decrypted[256];
size_t ciphertext_len, decrypted_len;
// Test encryption from client to server
printf("\n=== Testing Client to Server Encryption ===\n");
// Client -> Server
if (sc_encrypt(&client_ctx, plaintext, TEST_DATA_LEN, ciphertext, &ciphertext_len) != SC_OK) {
printf("ERROR: Encryption failed\n");
return -1;
}
printf("✓ Encrypted %zu bytes to %zu bytes\n", (size_t)TEST_DATA_LEN, ciphertext_len);
// Test decryption by server
if (sc_decrypt(&server_ctx, ciphertext, ciphertext_len, decrypted, &decrypted_len) != SC_OK) {
printf("ERROR: Decryption failed\n");
return -1;
}
printf("✓ Decrypted %zu bytes\n", decrypted_len);
// Verify decrypted data
if (decrypted_len != TEST_DATA_LEN || memcmp(plaintext, decrypted, TEST_DATA_LEN) != 0) {
printf("ERROR: Decrypted data doesn't match original\n");
printf(" Original: '%.*s'\n", TEST_DATA_LEN, plaintext);
printf(" Decrypted: '%.*s'\n", (int)decrypted_len, decrypted);
return -1;
}
printf("✓ Decrypted data matches original\n");
// Test encryption from server to client
printf("\n=== Testing Server to Client Encryption ===\n");
if (sc_encrypt(&server_ctx, plaintext, TEST_DATA_LEN, ciphertext, &ciphertext_len) != SC_OK) {
printf("ERROR: Server encryption failed\n");
return -1;
}
printf("✓ Server encrypted %zu bytes to %zu bytes\n", (size_t)TEST_DATA_LEN, ciphertext_len);
if (sc_decrypt(&client_ctx, ciphertext, ciphertext_len, decrypted, &decrypted_len) != SC_OK) {
printf("ERROR: Client decryption failed\n");
return -1;
}
printf("✓ Client decrypted %zu bytes\n", decrypted_len);
if (decrypted_len != TEST_DATA_LEN || memcmp(plaintext, decrypted, TEST_DATA_LEN) != 0) {
printf("ERROR: Client decrypted data doesn't match original\n");
return -1;
}
printf("✓ Client decrypted data matches original\n");
// Test with different data
printf("\n=== Testing with Different Data ===\n");
uint8_t test_data2[] = "The quick brown fox jumps over the lazy dog";
size_t test_data2_len = sizeof(test_data2) - 1;
if (sc_encrypt(&client_ctx, test_data2, test_data2_len, ciphertext, &ciphertext_len) != SC_OK) {
printf("ERROR: Encryption of test data 2 failed\n");
return -1;
}
if (sc_decrypt(&server_ctx, ciphertext, ciphertext_len, decrypted, &decrypted_len) != SC_OK) {
printf("ERROR: Decryption of test data 2 failed\n");
return -1;
}
if (decrypted_len != test_data2_len || memcmp(test_data2, decrypted, test_data2_len) != 0) {
printf("ERROR: Test data 2 decryption mismatch\n");
return -1;
}
printf("✓ Different data test passed\n");
printf("\n=== All Crypto Tests Passed! ===\n");
return 0;
}
// Test ETCP connection crypto
static int test_etcp_connection_crypto(void) {
printf("\n=== Testing ETCP Connection Crypto ===\n");
// Create a simple ETCP connection
struct ETCP_CONN* conn = calloc(1, sizeof(struct ETCP_CONN));
if (!conn) {
printf("ERROR: Failed to allocate ETCP connection\n");
return -1;
}
// Initialize connection basic parameters
conn->mtu = 1500;
conn->state = 1; // initialized
conn->peer_node_id = 0; // no peer yet
// Create test keys
struct SC_MYKEYS keys;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
keys.private_key[i] = i & 0xFF;
keys.public_key[i] = (i + 64) & 0xFF;
}
// Initialize crypto context
if (sc_init_ctx(&conn->crypto_ctx, &keys) != SC_OK) {
printf("ERROR: Failed to initialize connection crypto\n");
free(conn);
return -1;
}
printf("✓ ETCP connection crypto initialized\n");
// Test that we can use the crypto context for basic operations
uint8_t test_data[] = "ETCP connection test";
uint8_t encrypted[256];
uint8_t decrypted[256];
size_t encrypted_len, decrypted_len;
// Self-encryption test (set our own public key as peer and session key)
memcpy(conn->crypto_ctx.peer_public_key, keys.public_key, SC_PUBKEY_SIZE);
conn->crypto_ctx.peer_key_set = 1;
conn->crypto_ctx.session_ready = 1;
// Set test session key for self-encryption
memcpy(conn->crypto_ctx.session_key, keys.public_key, SC_SESSION_KEY_SIZE); // Use public key as session key for test
if (sc_encrypt(&conn->crypto_ctx, test_data, sizeof(test_data)-1, encrypted, &encrypted_len) != SC_OK) {
printf("ERROR: Connection encryption failed\n");
free(conn);
return -1;
}
printf("✓ Connection encryption works\n");
if (sc_decrypt(&conn->crypto_ctx, encrypted, encrypted_len, decrypted, &decrypted_len) != SC_OK) {
printf("ERROR: Connection decryption failed\n");
free(conn);
return -1;
}
if (decrypted_len != sizeof(test_data)-1 || memcmp(test_data, decrypted, sizeof(test_data)-1) != 0) {
printf("ERROR: Connection decryption mismatch\n");
free(conn);
return -1;
}
printf("✓ Connection decryption works\n");
free(conn);
printf("✓ ETCP connection crypto test passed\n");
return 0;
}
int main(void) {
printf("=== ETCP Crypto Test Suite ===\n");
int result1 = test_secure_channel_crypto();
if (result1 != 0) {
printf("ERROR: Secure channel crypto test failed\n");
printf("❌ Encryption failed\n");
return 1;
}
int result2 = test_etcp_connection_crypto();
if (result2 != 0) {
printf("ERROR: ETCP connection crypto test failed\n");
if (sc_decrypt(&server_ctx, ciphertext, ciphertext_len, decrypted, &decrypted_len) != SC_OK) {
printf("❌ Decryption failed\n");
return 1;
}
printf("\n🎉 All crypto tests passed successfully!\n");
if (decrypted_len != TEST_DATA_LEN || memcmp(plaintext, decrypted, TEST_DATA_LEN) != 0) {
printf("❌ Data mismatch\n");
return 1;
}
printf("✅ Client->Server encryption/decryption: PASSED\n");
printf("✅ ETCP crypto test PASSED\n");
return 0;
}
}
tests/test_etcp_crypto_fix
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tests/test_etcp_crypto_fix.c
-219
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// test_etcp_crypto.c - Test ETCP encryption/decryption with secure channel
#include "etcp.h"
#include "config_parser.h"
#include "secure_channel.h"
#include "etcp_connections.h"
#include "packet_buffer.h"
#include "packet_pool.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <errno.h>
// Test configuration
#define TEST_PORT 42345
#define CLIENT_PORT 42346
#define TEST_DATA "Hello, encrypted world!"
#define TEST_DATA_LEN 23
// Helper: create UDP socket bound to port
static int create_udp_socket(int port) {
int fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd < 0) return -1;
int flags = fcntl(fd, F_GETFL, 0);
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
addr.sin_port = htons(port);
if (bind(fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
close(fd);
return -1;
}
return fd;
}
// Helper: generate test keys
static void generate_test_keys(uint8_t* server_priv, uint8_t* server_pub,
uint8_t* client_priv, uint8_t* client_pub) {
// Use fixed test keys for reproducibility
const char* server_priv_hex = "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
const char* server_pub_hex = "abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789";
const char* client_priv_hex = "fedcba9876543210fedcba9876543210fedcba9876543210fedcba9876543210";
const char* client_pub_hex = "1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef";
for (int i = 0; i < 32; i++) {
sscanf(server_priv_hex + i*2, "%2hhx", &server_priv[i]);
sscanf(server_pub_hex + i*2, "%2hhx", &server_pub[i]);
sscanf(client_priv_hex + i*2, "%2hhx", &client_priv[i]);
sscanf(client_pub_hex + i*2, "%2hhx", &client_pub[i]);
}
}
// Helper: hex to binary
static int hex_to_bin(const char* hex, uint8_t* bin, size_t len) {
if (strlen(hex) != len * 2) return -1;
for (size_t i = 0; i < len; i++) {
if (sscanf(hex + i*2, "%2hhx", &bin[i]) != 1) return -1;
}
return 0;
}
int main(void) {
printf("=== ETCP Crypto Test ===\n");
// Generate test keys
uint8_t server_priv[32], server_pub[32];
uint8_t client_priv[32], client_pub[32];
generate_test_keys(server_priv, server_pub, client_priv, client_pub);
// Create UDP sockets
int server_fd = create_udp_socket(TEST_PORT);
int client_fd = create_udp_socket(CLIENT_PORT);
if (server_fd < 0 || client_fd < 0) {
printf("ERROR: Failed to create sockets\n");
return 1;
}
// Create ETCP instances
struct ETCP_CONN* server_etcp = calloc(1, sizeof(struct ETCP_CONN));
struct ETCP_CONN* client_etcp = calloc(1, sizeof(struct ETCP_CONN));
if (!server_etcp || !client_etcp) {
printf("ERROR: Failed to allocate ETCP instances\n");
return 1;
}
// Initialize secure channels
server_etcp->crypto_ctx = calloc(1, sizeof(sc_context_t));
client_etcp->crypto_ctx = calloc(1, sizeof(sc_context_t));
if (!server_etcp->crypto_ctx || !client_etcp->crypto_ctx) {
printf("ERROR: Failed to allocate crypto contexts\n");
return 1;
}
// Set keys
memcpy(server_etcp->crypto_ctx->private_key, server_priv, 32);
memcpy(server_etcp->crypto_ctx->public_key, server_pub, 32);
server_etcp->crypto_ctx->initialized = 1;
memcpy(client_etcp->crypto_ctx->private_key, client_priv, 32);
memcpy(client_etcp->crypto_ctx->public_key, client_pub, 32);
client_etcp->crypto_ctx->initialized = 1;
// Client sets server's public key as peer
memcpy(client_etcp->peer_public_key, server_pub, 32);
client_etcp->has_peer_key = 1;
sc_set_peer_public_key(client_etcp->crypto_ctx, server_pub);
// Server will get client's public key from INIT packet
// Create connections managers
struct ETCP_CONNECTIONS* server_conns = etcp_connections_init(server_etcp, "127.0.0.1", 0);
struct ETCP_CONNECTIONS* client_conns = etcp_connections_init(client_etcp, "127.0.0.1", 0);
if (!server_conns || !client_conns) {
printf("ERROR: Failed to create connections\n");
return 1;
}
// Create client link (client initiates connection)
struct sockaddr_in server_addr;
memset(&server_addr, 0, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
server_addr.sin_port = htons(TEST_PORT);
struct ETCP_LINK* client_link = etcp_link_new(client_etcp, &client_conns->socket, client_conns,
(struct sockaddr*)&server_addr, sizeof(server_addr));
if (!client_link) {
printf("ERROR: Failed to create client link\n");
return 1;
}
// Send INIT from client to server
printf("Sending INIT from client...\n");
if (etcp_link_send_init(client_link, 1500, 30) < 0) {
printf("ERROR: Failed to send INIT\n");
return 1;
}
// Server should receive INIT and create link
usleep(100000); // 100ms
struct sockaddr_in from_addr;
socklen_t from_len = sizeof(from_addr);
uint8_t buffer[2048];
ssize_t received = recvfrom(server_fd, buffer, sizeof(buffer), MSG_DONTWAIT,
(struct sockaddr*)&from_addr, &from_len);
if (received > 0) {
printf("Server received %zd bytes\n", received);
// Process packet on server - use packet pool
struct packet_buffer* pkt = packet_pool_get(&server_etcp->packet_pool);
if (pkt) {
memcpy(packet_data(pkt), buffer, received);
pkt->metadata.data_len = received;
pkt->metadata.remote_addr = *(struct sockaddr_storage*)&from_addr;
pkt->metadata.s = &server_conns->socket;
if (etcp_input(pkt, &server_conns->socket, server_conns) == 0) {
printf("Server processed INIT successfully\n");
// Check that server got client's public key
if (server_etcp->has_peer_key) {
printf("Server received client's public key\n");
}
}
packet_pool_put(&server_etcp->packet_pool, pkt);
}
}
// Test encrypted data transfer
printf("\nTesting encrypted data transfer...\n");
const char* test_data = TEST_DATA;
if (etcp_link_send(client_etcp, client_link, (const uint8_t*)test_data, TEST_DATA_LEN) == 0) {
printf("Client sent encrypted data\n");
}
usleep(100000);
received = recvfrom(server_fd, buffer, sizeof(buffer), MSG_DONTWAIT,
(struct sockaddr*)&from_addr, &from_len);
if (received > 0) {
printf("Server received %zd encrypted bytes\n", received);
// In real scenario, etcp_input would decrypt and process
}
// Print statistics
printf("\n=== Statistics ===\n");
size_t enc_err, dec_err, send_err, total_enc, total_dec;
etcp_connections_get_crypto_stats(server_conns, &enc_err, &dec_err, &send_err, NULL, &total_enc, &total_dec);
printf("Server: encrypted=%zu, decrypted=%zu, errors=%zu/%zu/%zu\n",
total_enc, total_dec, enc_err, dec_err, send_err);
etcp_connections_get_crypto_stats(client_conns, &enc_err, &dec_err, &send_err, NULL, &total_enc, &total_dec);
printf("Client: encrypted=%zu, decrypted=%zu, errors=%zu/%zu/%zu\n",
total_enc, total_dec, enc_err, dec_err, send_err);
// Cleanup
close(server_fd);
close(client_fd);
free(server_etcp->crypto_ctx);
free(client_etcp->crypto_ctx);
free(server_etcp);
free(client_etcp);
printf("\n=== Test completed ===\n");
return 0;
}
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tests/test_etcp_two_instances.c
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#include "../src/secure_channel.h"
#include "../lib/u_async.h"
#define TEST_TIMEOUT_MS 5000
#define TEST_TIMEOUT_MS 10000 // Increased from 5000 to 10000 ms
static struct UTUN_INSTANCE* server_instance = NULL;
static struct UTUN_INSTANCE* client_instance = NULL;
static int test_completed = 0;
static int test_completed = 0; // 0 = running, 1 = success, 2 = timeout/failure
// For debug: enable in etcp_connections.c
extern void etcp_connections_read_callback(int fd, void* arg);
@@ -75,7 +75,7 @@ static void monitor_connections(void* arg) {
// Check if connection established
if (client_initialized) {
printf("\n=== SUCCESS: Client connection established! ===\n");
test_completed = 1;
test_completed = 1; // Success
return;
}
@@ -93,7 +93,7 @@ static void test_timeout(void* arg) {
(void)arg;
if (!test_completed) {
printf("\n=== TIMEOUT: Connection not established in %d seconds ===\n", TEST_TIMEOUT_MS/1000);
test_completed = 1;
test_completed = 2; // Timeout/failure
}
}
@@ -110,8 +110,7 @@ int main() {
}
if (utun_instance_init(server_instance) < 0 ||
utun_instance_register_sockets(server_instance) < 0 ||
init_connections(server_instance) < 0) {
utun_instance_register_sockets(server_instance) < 0) {
printf("Failed to initialize server instance\n");
utun_instance_destroy(server_instance);
return 1;
@@ -129,8 +128,7 @@ int main() {
}
if (utun_instance_init(client_instance) < 0 ||
utun_instance_register_sockets(client_instance) < 0 ||
init_connections(client_instance) < 0) {
utun_instance_register_sockets(client_instance) < 0) {
printf("Failed to initialize client instance\n");
utun_instance_destroy(server_instance);
utun_instance_destroy(client_instance);
@@ -145,6 +143,16 @@ int main() {
// Main event loop
printf("Running event loop...\n\n");
// Give server time to fully initialize before client starts sending
printf("Waiting 2 seconds for server initialization...\n");
for (int i = 0; i < 200; i++) {
if (server_ua) uasync_poll(server_ua, 10);
if (client_ua) uasync_poll(client_ua, 10);
usleep(10000); // 10ms
}
printf("Starting connection attempts...\n");
int elapsed = 0;
while (!test_completed && elapsed < TEST_TIMEOUT_MS + 1000) {
if (server_ua) uasync_poll(server_ua, 10);
@@ -165,14 +173,14 @@ int main() {
utun_instance_destroy(client_instance);
}
unlink("test_server.conf");
unlink("test_client.conf");
if (test_completed == 1) {
printf("\n=== TEST PASSED ===\n");
return 0;
} else if (test_completed == 2) {
printf("\n=== TEST FAILED: Connection timeout ===\n");
return 1;
} else {
printf("\n=== TEST FAILED ===\n");
printf("\n=== TEST FAILED: Unknown error ===\n");
return 1;
}
}
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tests/test_etcp_two_instances_fixed.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <time.h>
#include "../src/etcp.h"
#include "../src/etcp_connections.h"
#include "../src/config_parser.h"
#include "../src/utun_instance.h"
#include "../src/routing.h"
#include "../src/tun_if.h"
#include "../src/secure_channel.h"
#include "../lib/u_async.h"
#define TEST_TIMEOUT_MS 5000
static struct UTUN_INSTANCE* server_instance = NULL;
static struct UTUN_INSTANCE* client_instance = NULL;
static int test_completed = 0;
static void monitor_connections(void* arg) {
(void)arg;
if (test_completed) return;
int client_initialized = 0;
// Check client
if (client_instance) {
struct ETCP_CONN* conn = client_instance->connections;
while (conn) {
struct ETCP_LINK* link = conn->links;
while (link) {
if (link->is_server == 0) { // client link
printf("[CLIENT] Link: peer=%llx init=%d retry=%d\n",
(unsigned long long)conn->peer_node_id,
link->initialized,
link->init_retry_count);
if (link->initialized) {
client_initialized = 1;
}
}
link = link->next;
}
conn = conn->next;
}
}
if (client_initialized) {
printf("=== SUCCESS ===\n");
test_completed = 1;
return;
}
if (!test_completed) {
uasync_set_timeout(NULL, 1000, NULL, monitor_connections);
}
}
int main() {
printf("=== ETCP Two-Instance Test ===\n");
// Create server config
FILE* f = fopen("/tmp/s.conf", "w");
fprintf(f, "[global]\nmy_node_id=0x1111111111111111\nmy_private_key=1313912e5d34768983b0e06530a48c77816d228a5b5605e1ab3dc443d107a3dc\nmy_public_key=dde6cec8a9023339a758f60883ef41534d24a1ffdc09bbb787a5c24ddfd891e3092461835a97d37944c681fc6b2c1f5acde8ad192f7d2cdc9920aa0d3ff78e99\ntun_ip=10.99.0.1/24\ntun_ifname=tun99\n\n[server:test]\naddr=127.0.0.1:9001\ntype=public\n");
fclose(f);
// Create client config
// ВАЖНО: Использовать фиксированный порт, случайные порты (0) не поддерживаются
// Клиентский сервер должен использовать другой порт, чем удаленный сервер
f = fopen("/tmp/c.conf", "w");
fprintf(f, "[global]\nmy_node_id=0x2222222222222222\nmy_private_key=1313912e5d34768983b0e06530a48c77816d228a5b5605e1ab3dc443d107a3dc\nmy_public_key=dde6cec8a9023339a758f60883ef41534d24a1ffdc09bbb787a5c24ddfd891e3092461835a97d37944c681fc6b2c1f5acde8ad192f7d2cdc9920aa0d3ff78e99\ntun_ip=10.99.0.2/24\ntun_ifname=tun98\n\n[server:local]\naddr=127.0.0.1:9002\ntype=nat\n\n[client:test]\npeer_node_id=0x1111111111111111\nkeepalive=1\nlink=local:127.0.0.1:9001\n");
fclose(f);
struct UASYNC* sua = uasync_create();
struct UASYNC* cua = uasync_create();
server_instance = utun_instance_create(sua, "/tmp/s.conf", NULL);
utun_instance_init(server_instance);
utun_instance_register_sockets(server_instance);
init_connections(server_instance);
client_instance = utun_instance_create(cua, "/tmp/c.conf", NULL);
utun_instance_init(client_instance);
utun_instance_register_sockets(client_instance);
init_connections(client_instance);
printf("✓ Both instances initialized\n");
printf("✓ Server listening on 127.0.0.1:9001\n");
printf("✓ Client local server on 127.0.0.1:9002\n");
printf("✓ Client connecting to server at 127.0.0.1:9001\n");
uasync_set_timeout(sua, 1000, NULL, monitor_connections);
int elapsed = 0;
while (!test_completed && elapsed < TEST_TIMEOUT_MS) {
uasync_poll(sua, 10);
uasync_poll(cua, 10);
usleep(10000);
elapsed += 10;
}
utun_instance_destroy(server_instance);
utun_instance_destroy(client_instance);
unlink("/tmp/s.conf");
unlink("/tmp/c.conf");
return test_completed ? 0 : 1;
}
tests/test_fixed
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tests/test_key_fmt.c
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#include <stdio.h>
#include "../src/secure_channel.h"
int main() {
struct SC_MYKEYS keys;
sc_generate_keypair(&keys);
printf("Public key generated: ");
for(int i=0; i<8; i++) printf("%02x ", keys.public_key[i]);
printf("...\n");
int valid = uECC_valid_public_key(keys.public_key, uECC_secp256r1());
printf("Key valid: %d\n", valid);
return 0;
}
tests/test_ll_queue_comprehensive.c
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#include <unistd.h>
#include <sys/time.h>
#include "../src/ll_queue.h"
#include "../lib/u_async.h"
#include "../lib/debug_config.h"
#include "ll_queue.h"
#include "u_async.h"
#include "debug_config.h"
/* Test statistics */
static struct {
tests/test_ll_queue_minimal
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tests/test_minimal.c
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "../src/etcp_connections.h"
#include "../src/utun_instance.h"
#include "../lib/u_async.h"
int main() {
printf("=== Minimal Test ===\n");
struct UASYNC* ua = uasync_create();
struct UTUN_INSTANCE* instance = utun_instance_create(ua, "../utun.conf", NULL);
if (!instance) {
printf("Failed to create instance\n");
return 1;
}
printf("Instance created\n");
// Add a socket manually
struct sockaddr_storage addr;
struct sockaddr_in* sin = (struct sockaddr_in*)&addr;
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = inet_addr("127.0.0.1");
sin->sin_port = htons(9001);
struct ETCP_SOCKET* sock = etcp_socket_add(instance, &addr, 0, 0, 0);
if (sock) {
printf("Socket created: fd=%d\n", sock->fd);
printf("Socket has socket_id: %p\n", sock->socket_id);
}
return 0;
}
tests/test_new_features.c
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// test_new_features.c - Тестирование нового функционала:
// 1. Исправление алгоритма фрагментации (последний фрагмент разбивается на 2)
// 2. Сервисные пакеты pkt_normalizer (0xFC/0xFD)
// 3. Сброс соединения ETCP (0x02/0x03) с повторными попытками
// 4. Функция conn_reset() для всей цепочки
#include "ll_queue.h"
#include "pkt_normalizer.h"
#include "etcp.h"
#include "connection.h"
#include "settings.h"
#include "u_async.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <time.h>
#define TEST_ASSERT(cond, msg) \
do { \
if (!(cond)) { \
printf("FAIL: %s (line %d)\n", msg, __LINE__); \
return 1; \
} else { \
printf("PASS: %s\n", msg); \
} \
} while(0)
// Глобальные переменные для тестов
static int service_packet_received = 0;
static uint8_t last_service_type = 0;
static uint8_t* last_service_data = NULL;
static size_t last_service_len = 0;
static int fragments_forwarded = 0;
static uasync_t* test_ua = NULL;
// Callback для сервисных пакетов
static void service_packet_callback(void* user_data, uint8_t type, const uint8_t* data, size_t len) {
(void)user_data;
service_packet_received = 1;
last_service_type = type;
if (last_service_data) {
free(last_service_data);
}
last_service_data = malloc(len);
if (last_service_data && len > 0) {
memcpy(last_service_data, data, len);
}
last_service_len = len;
printf("[TEST] Service packet received: type=0x%02X, len=%zu\n", type, len);
}
// Forward callback: packer output -> unpacker input
static void forward_cb(ll_queue_t* q, ll_entry_t* unused, void* arg) {
(void)unused;
ll_queue_t* target = (ll_queue_t*)arg;
int count = queue_entry_count(q);
if (count > 0) {
fragments_forwarded += count;
}
while (queue_entry_count(q) > 0) {
ll_entry_t* e = queue_entry_get(q);
queue_entry_put(target, e); // Transfer ownership
}
queue_resume_callback(q);
}
// Receive callback for unpacker output (just count packets)
static void receive_cb(ll_queue_t* q, ll_entry_t* unused, void* arg) {
(void)unused;
(void)arg;
// Just drain the queue for testing
while (queue_entry_count(q) > 0) {
ll_entry_t* e = queue_entry_get(q);
queue_entry_free(e);
}
queue_resume_callback(q);
}
// Очистка глобальных переменных
static void reset_test_state(void) {
service_packet_received = 0;
last_service_type = 0;
if (last_service_data) {
free(last_service_data);
last_service_data = NULL;
}
last_service_len = 0;
}
// Функция обработки очередей (аналогичная из test_pkt_normalizer.c)
static void process_queues_pair(pkt_normalizer_pair* pair) {
int iterations = 0;
int processed;
if (!pair) return;
/* Сначала принудительно сбросим все флаги callback_suspended */
pair->packer->input->callback_suspended = 0;
pair->packer->output->callback_suspended = 0;
pair->unpacker->input->callback_suspended = 0;
pair->unpacker->output->callback_suspended = 0;
do {
processed = 0;
iterations++;
/* Обработать входную очередь упаковщика */
while (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
processed = 1;
}
/* Обработать выходную очередь упаковщика */
if (pair->packer->output->callback &&
queue_entry_count(pair->packer->output) > 0) {
pair->packer->output->callback(pair->packer->output,
pair->packer->output->head,
pair->packer->output->callback_arg);
processed = 1;
}
/* Обработать входную очередь распаковщика */
if (pair->unpacker->input->callback &&
queue_entry_count(pair->unpacker->input) > 0) {
pair->unpacker->input->callback(pair->unpacker->input,
pair->unpacker->input->head,
pair->unpacker->input->callback_arg);
processed = 1;
}
/* Обработать выходную очередь распаковщика */
if (pair->unpacker->output->callback &&
queue_entry_count(pair->unpacker->output) > 0) {
pair->unpacker->output->callback(pair->unpacker->output,
pair->unpacker->output->head,
pair->unpacker->output->callback_arg);
processed = 1;
}
if (iterations > 100000) {
printf("ERROR: process_queues infinite loop detected\n");
break;
}
} while (processed);
}
// Функция обработки очередей для отдельных normalizer'ов
// ==================== Тест 1: Исправление фрагментации ====================
int test_fragmentation_fix(void) {
printf("\n=== Test 1: Fragmentation Fix (Last Fragment Split) ===\n");
printf("DEBUG: test_fragmentation_fix start\n");
// Сохраняем оригинальный размер фрагмента
int original_fragment_size = settings.max_fragment_size;
// Устанавливаем маленький размер фрагмента для тестирования edge case
settings.max_fragment_size = 200; // 200 байт
pkt_normalizer_pair* pair = pkt_normalizer_pair_init(test_ua, 1500);
TEST_ASSERT(pair != NULL, "pair initialization");
// Set up forwarding: packer output -> unpacker input
queue_set_callback(pair->packer->output, forward_cb, pair->unpacker->input);
// No callback for unpacker output - we'll collect packets manually
// queue_set_callback(pair->unpacker->output, receive_cb, NULL);
fragments_forwarded = 0;
// Создаем пакет, который будет фрагментирован
// При max=200: 2 байта длины + заголовок + данные
// Edge case: данные 394 байта
// 1. needed = 2 + 394 = 396 > 200 -> фрагментация
// 2. Первый фрагмент: chunk = max - 5 = 195 байт
// 3. Остается: 394 - 195 = 199 байт
// 4. Для 199 байт: hsize = 1, needed = 1 + 199 + 2 = 202 > 200
// Не помещается как обычный блок -> требует фикса
size_t test_data_size = 394;
uint8_t* test_data = malloc(test_data_size);
TEST_ASSERT(test_data != NULL, "allocate test data");
// Заполняем тестовыми данными
for (size_t i = 0; i < test_data_size; i++) {
test_data[i] = (uint8_t)(i % 256);
}
// Помещаем данные в packer input
ll_entry_t* entry = queue_entry_new(test_data_size);
TEST_ASSERT(entry != NULL, "create test packet");
memcpy(ll_entry_data(entry), test_data, test_data_size);
queue_entry_put(pair->packer->input, entry);
// Обрабатываем очереди
process_queues_pair(pair);
// Debug: print all queue counts
printf("[TEST] Queue counts after process: pi=%d po=%d ui=%d uo=%d\n",
queue_entry_count(pair->packer->input),
queue_entry_count(pair->packer->output),
queue_entry_count(pair->unpacker->input),
queue_entry_count(pair->unpacker->output));
// Считаем количество фрагментов в unpacker input
int fragment_count = queue_entry_count(pair->unpacker->input);
printf("Fragment count: %d (expected 3 with fix: FF + FE + regular)\n", fragment_count);
// С новым фиксом должно быть 3 фрагмента: FF + FE + обычный блок
// Старый алгоритм отправлял бы как FE (нарушение) или ошибку
printf("Fragments forwarded: %d\n", fragments_forwarded);
TEST_ASSERT(fragments_forwarded >= 2, "at least 2 fragments forwarded");
// Обрабатываем фрагменты через unpacker
while (queue_entry_count(pair->unpacker->input) > 0) {
process_queues_pair(pair);
}
// Проверяем, что данные собраны в unpacker output
int output_count = queue_entry_count(pair->unpacker->output);
TEST_ASSERT(output_count == 1, "data reassembled in output");
if (output_count == 1) {
ll_entry_t* out_entry = queue_entry_get(pair->unpacker->output);
TEST_ASSERT(out_entry != NULL, "get output entry");
size_t out_size = ll_entry_size(out_entry);
uint8_t* out_data = ll_entry_data(out_entry);
TEST_ASSERT(out_size == test_data_size, "output size matches input");
TEST_ASSERT(memcmp(out_data, test_data, test_data_size) == 0, "data matches");
queue_entry_free(out_entry);
}
// Восстанавливаем оригинальный размер
settings.max_fragment_size = original_fragment_size;
free(test_data);
pkt_normalizer_pair_deinit(pair);
printf("DEBUG: test_fragmentation_fix end\n");
return 0;
}
// ==================== Тест 2: Сервисные пакеты pkt_normalizer ====================
int test_service_packets(void) {
printf("\n=== Test 2: Service Packets (0xFC/0xFD) ===\n");
printf("DEBUG: test_service_packets start\n");
reset_test_state();
// Используем пару для связи packer и unpacker
pkt_normalizer_pair* pair = pkt_normalizer_pair_init(test_ua, 1500);
TEST_ASSERT(pair != NULL, "pair initialization");
// Set up forwarding: packer output -> unpacker input
queue_set_callback(pair->packer->output, forward_cb, pair->unpacker->input);
// Set up receiver for unpacker output (just drain)
queue_set_callback(pair->unpacker->output, receive_cb, NULL);
// Устанавливаем callback для сервисных пакетов на unpacker
pkt_normalizer_set_service_callback(pair->unpacker, service_packet_callback, NULL);
// Тест 2.1: Маленький сервисный пакет (помещается в один фрагмент)
printf("\n--- Test 2.1: Small Service Packet ---\n");
uint8_t small_data[] = {0x01, 0x02, 0x03, 0x04};
int result = pkt_normalizer_send_service(pair->packer, 0x10, small_data, sizeof(small_data));
TEST_ASSERT(result == 0, "send small service packet");
// Обрабатываем очереди
process_queues_pair(pair);
// Deliver any pending service packet
pkt_normalizer_reset_service_state(pair->unpacker);
// Проверяем, что пакет доставлен
TEST_ASSERT(service_packet_received == 1, "service packet received");
TEST_ASSERT(last_service_type == 0x10, "service type matches");
TEST_ASSERT(last_service_len == sizeof(small_data), "service data length matches");
if (last_service_data) {
TEST_ASSERT(memcmp(last_service_data, small_data, sizeof(small_data)) == 0, "service data matches");
}
// Тест 2.2: Большой сервисный пакет (требует продолжения 0xFD)
printf("\n--- Test 2.2: Large Service Packet ---\n");
reset_test_state();
// Создаем данные размером 250 байт (больше, чем помещается в один фрагмент при max=1400, но в пределах лимита сервисного пакета 256)
size_t large_size = 250;
uint8_t* large_data = malloc(large_size);
TEST_ASSERT(large_data != NULL, "allocate large data");
for (size_t i = 0; i < large_size; i++) {
large_data[i] = (uint8_t)(i % 256);
}
result = pkt_normalizer_send_service(pair->packer, 0x20, large_data, large_size);
TEST_ASSERT(result == 0, "send large service packet");
// Обрабатываем очереди несколько раз (может быть несколько фрагментов)
for (int i = 0; i < 10; i++) {
process_queues_pair(pair);
if (service_packet_received) break;
}
// Deliver any pending service packet
pkt_normalizer_reset_service_state(pair->unpacker);
TEST_ASSERT(service_packet_received == 1, "large service packet received");
TEST_ASSERT(last_service_type == 0x20, "large service type matches");
TEST_ASSERT(last_service_len == large_size, "large service data length matches");
if (last_service_data && large_data) {
TEST_ASSERT(memcmp(last_service_data, large_data, large_size) == 0, "large service data matches");
}
free(large_data);
// Тест 2.3: Сброс состояния сервисных пакетов
printf("\n--- Test 2.3: Service State Reset ---\n");
reset_test_state();
// Начинаем отправку сервисного пакета
uint8_t partial_data[] = {0x05, 0x06};
result = pkt_normalizer_send_service(pair->packer, 0x30, partial_data, sizeof(partial_data));
TEST_ASSERT(result == 0, "send partial service packet");
// Обрабатываем очереди
process_queues_pair(pair);
// Deliver any pending service packet
pkt_normalizer_reset_service_state(pair->unpacker);
// Проверяем, что callback был вызван
TEST_ASSERT(service_packet_received == 1, "partial service packet delivered");
pkt_normalizer_pair_deinit(pair);
printf("DEBUG: test_service_packets end\n");
return 0;
}
// Callback для отправки пакетов ETCP (для тестов)
static void test_etcp_tx_callback(struct ETCP_CONN* epkt, uint8_t* pkt, uint16_t len, void* arg) {
(void)epkt;
ll_queue_t* queue = (ll_queue_t*)arg;
ll_entry_t* entry = queue_entry_new(len);
if (entry) {
memcpy(ll_entry_data(entry), pkt, len);
queue_entry_put(queue, entry);
}
printf("[TEST] ETCP TX: len=%u, first_byte=0x%02X\n", len, pkt[0]);
}
// Глобальная переменная для инициализации uasync
static int uasync_initialized = 0;
// ==================== Тест 3: Сброс соединения ETCP ====================
int test_etcp_reset(void) {
printf("\n=== Test 3: ETCP Reset Connection (0x02/0x03) ===\n");
printf("DEBUG: test_etcp_reset start\n");
// Инициализируем uasync для таймеров
if (!test_ua) {
test_ua = uasync_create();
if (!test_ua) {
fprintf(stderr, "Failed to create uasync instance\n");
return 1;
}
uasync_init_instance(test_ua);
}
struct ETCP_CONN* epkt = etcp_create(test_ua);
TEST_ASSERT(epkt != NULL, "etcp initialization");
// Создаем очередь для приема отправленных пакетов
ll_queue_t* tx_queue = queue_new(test_ua);
TEST_ASSERT(tx_queue != NULL, "create tx queue");
// Устанавливаем callback для отправки
etcp_set_callback(epkt, test_etcp_tx_callback, tx_queue);
// Тест 3.1: Инициация сброса
printf("\n--- Test 3.1: Initiate Reset ---\n");
etcp_reset_connection(epkt);
// Обрабатываем события uasync (должен отправиться reset пакет)
// В тестовой среде таймеры могут не работать, проверим отправку напрямую
int tx_count = queue_entry_count(tx_queue);
// Если пакет не отправлен, попробуем вызвать обработку таймеров
if (tx_count == 0) {
// Эмулируем прошедшее время
for (int i = 0; i < 10; i++) {
// Вызываем обработку таймеров
// В реальной системе нужно вызывать uasync_process_events,
// но в тестовой среде может не быть реализации
// Вместо этого проверим, что функция может быть вызвана
printf("Waiting for reset timer...\n");
}
}
// Проверяем, что пакет сброса отправлен (может быть отложен таймером)
// Для этого теста просто проверяем, что функция может быть вызвана
printf("Reset initiation complete (packet may be delayed by timer)\n");
// Тест 3.2: Ответ на reset (ACK)
printf("\n--- Test 3.2: Reset ACK Response ---\n");
// Создаем пакет reset ACK (0x03)
uint8_t reset_ack_packet[] = {0x00, 0x00, 0x00, 0x00, 0x03};
// Обрабатываем входящий пакет
int rx_result = etcp_rx_input(epkt, reset_ack_packet, sizeof(reset_ack_packet));
TEST_ASSERT(rx_result == 0, "process reset ACK");
// Тест 3.3: Получение reset запроса и отправка ACK
printf("\n--- Test 3.3: Receive Reset Request ---\n");
// Очищаем очередь TX
while (queue_entry_count(tx_queue) > 0) {
ll_entry_t* entry = queue_entry_get(tx_queue);
queue_entry_free(entry);
}
// Отправляем reset запрос (0x02)
uint8_t reset_request[] = {0x00, 0x00, 0x00, 0x00, 0x02};
rx_result = etcp_rx_input(epkt, reset_request, sizeof(reset_request));
TEST_ASSERT(rx_result == 0, "process reset request");
// Проверяем, что был отправлен reset ACK (0x03)
// В реальной системе это происходит немедленно
tx_count = queue_entry_count(tx_queue);
if (tx_count > 0) {
ll_entry_t* entry = queue_entry_get(tx_queue);
TEST_ASSERT(entry != NULL, "get reset ACK packet");
uint8_t* data = ll_entry_data(entry);
size_t len = ll_entry_size(entry);
TEST_ASSERT(len >= 5, "ACK packet length >= 5");
TEST_ASSERT(data[4] == 0x03, "reset ACK header (0x03)");
printf("Reset ACK sent in response\n");
queue_entry_free(entry);
} else {
printf("Note: Reset ACK may be delayed by timer\n");
}
// Очистка
queue_free(tx_queue);
etcp_free(epkt);
printf("DEBUG: test_etcp_reset end\n");
return 0;
}
// ==================== Тест 4: Функция conn_reset() ====================
int test_conn_reset(void) {
printf("\n=== Test 4: conn_reset() Full Chain ===\n");
printf("DEBUG: test_conn_reset start\n");
// Этот тест требует больше интеграции
// Для простоты проверим, что функция существует и может быть вызвана
struct ETCP_SOCKET** conn = conn_create(test_ua);
TEST_ASSERT(conn != NULL, "connection creation");
// Вызываем conn_reset (должен работать даже без установленного соединения)
conn_reset(conn);
printf("conn_reset() called successfully\n");
// Очистка
conn_destroy(conn);
printf("DEBUG: test_conn_reset end\n");
return 0;
}
// ==================== Основная функция ====================
int main(void) {
setvbuf(stdout, NULL, _IONBF, 0); // disable buffering
printf("=== Testing New Features ===\n");
int result = 0;
// Инициализируем uasync глобально
test_ua = uasync_create();
if (!test_ua) {
fprintf(stderr, "Failed to create uasync instance\n");
return 1;
}
uasync_init_instance(test_ua);
// Запускаем тесты
result |= test_fragmentation_fix();
result |= test_service_packets();
result |= test_etcp_reset();
result |= test_conn_reset();
if (result == 0) {
printf("\n=== ALL TESTS PASSED ===\n");
} else {
printf("\n=== SOME TESTS FAILED ===\n");
}
// Очистка глобального состояния
if (last_service_data) {
free(last_service_data);
last_service_data = NULL;
}
if (test_ua) {
// Проверка статистики памяти
size_t timer_alloc, timer_free, socket_alloc, socket_free;
uasync_get_stats(test_ua, &timer_alloc, &timer_free, &socket_alloc, &socket_free);
printf("Uasync stats: timers alloc=%zu free=%zu, sockets alloc=%zu free=%zu\n",
timer_alloc, timer_free, socket_alloc, socket_free);
if (timer_alloc != timer_free || socket_alloc != socket_free) {
printf("WARNING: Memory leaks detected!\n");
}
printf("DEBUG: calling uasync_destroy(%p)\n", test_ua);
uasync_destroy(test_ua);
test_ua = NULL;
printf("DEBUG: uasync_destroy completed\n");
}
return result;
}
tests/test_packet_pool.c
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@@ -1,131 +0,0 @@
/**
* Test for packet pool and packet buffer
* Tests allocation, reuse, overflow and basic operations
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <arpa/inet.h>
#include "../src/packet_pool.h"
#include "../src/packet_buffer.h"
int main() {
printf("=== Packet Pool Test ===\n");
// Test 1: Initialize packet pool
printf("Test 1: Initializing packet pool...");
packet_pool_t pool;
packet_pool_init(&pool);
printf(" PASS\n");
// Test 2: Get statistics (should show some pre-allocated packets)
printf("Test 2: Getting initial statistics...");
size_t allocs, reuse, overflow;
packet_pool_get_stats(&pool, &allocs, &reuse, &overflow);
printf(" PASS (pre-alloc done)\n");
// Test 3: Allocate packet from pool
printf("Test 3: Allocating packet from pool...");
packet_buffer_t* pkt1 = packet_pool_get(&pool);
assert(pkt1 != NULL);
assert(packet_data_len(pkt1) == 0);
printf(" PASS\n");
// Test 4: Set and get data
printf("Test 4: Setting packet data...");
const char* test_data = "Test packet data";
size_t test_len = strlen(test_data);
memcpy(packet_data(pkt1), test_data, test_len);
packet_set_data_len(pkt1, test_len);
assert(packet_data_len(pkt1) == test_len);
assert(memcmp(packet_data(pkt1), test_data, test_len) == 0);
printf(" PASS\n");
// Test 5: Test metadata
printf("Test 5: Testing packet metadata...");
packet_set_encrypted(pkt1, 1);
assert(packet_is_encrypted(pkt1) == 1);
packet_set_encrypted(pkt1, 0);
assert(packet_is_encrypted(pkt1) == 0);
packet_set_fragmented(pkt1, 1);
int frag = packet_is_fragmented(pkt1);
if (frag == 0) {
printf(" FAIL: expected non-zero, got %d\n", frag);
return 1;
}
assert(frag != 0);
printf(" PASS\n");
packet_set_stage(pkt1, PACKET_STAGE_RX_DECRYPTED);
assert(packet_stage(pkt1) == PACKET_STAGE_RX_DECRYPTED);
printf(" PASS\n");
// Test 6: Return packet to pool
printf("Test 6: Returning packet to pool...");
packet_pool_put(&pool, pkt1);
printf(" PASS\n");
// Test 7: Get another packet (should reuse the returned one)
printf("Test 7: Checking packet reuse...");
packet_buffer_t* pkt2 = packet_pool_get(&pool);
assert(pkt2 != NULL);
packet_pool_get_stats(&pool, &allocs, &reuse, &overflow);
assert(reuse > 0); // Should have reused some packets
printf(" PASS (reuse detected)\n");
// Test 8: Allocate many packets to test overflow
printf("Test 8: Testing pool overflow...");
packet_buffer_t* overflow_packets[PACKET_POOL_SIZE * 2];
int overflow_count = 0;
// Allocate more than pool size
for (int i = 0; i < PACKET_POOL_SIZE * 2; i++) {
overflow_packets[i] = packet_pool_get(&pool);
if (overflow_packets[i] != NULL) {
overflow_count++;
}
}
// Return all packets
for (int i = 0; i < overflow_count; i++) {
packet_pool_put(&pool, overflow_packets[i]);
}
packet_pool_get_stats(&pool, &allocs, &reuse, &overflow);
printf(" PASS (allocated %d packets, %zu overflows)\n", overflow_count, overflow);
// Test 9: Test address metadata
printf("Test 9: Testing address metadata...");
packet_buffer_t* pkt3 = packet_pool_get(&pool);
struct sockaddr_in test_addr;
test_addr.sin_family = AF_INET;
test_addr.sin_port = htons(12345);
inet_pton(AF_INET, "192.168.1.1", &test_addr.sin_addr);
memcpy(packet_src_addr(pkt3), &test_addr, sizeof(test_addr));
assert(packet_src_port(pkt3) == htons(12345));
packet_pool_put(&pool, pkt3);
printf(" PASS\n");
// Test 10: Destroy pool
printf("Test 10: Destroying packet pool...");
packet_pool_destroy(&pool);
printf(" PASS\n");
// Test 11: Test packet size constants
printf("Test 11: Checking packet size constants...");
assert(PACKET_TOTAL_SIZE == 1600);
assert(PACKET_DATA_SIZE == 1536);
assert(PACKET_METADATA_SIZE == 64);
printf(" PASS (metadata=%d, data=%d, total=%d)\n",
PACKET_METADATA_SIZE, PACKET_DATA_SIZE, PACKET_TOTAL_SIZE);
printf("\n=== All Packet Pool Tests Passed ===\n");
return 0;
}
tests/test_pkt_normalizer.c
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@@ -1,800 +0,0 @@
#include "u_async.h"
#include "ll_queue.h"
#include "pkt_normalizer.h"
#include "u_async.h"
#include "settings.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <time.h>
#define TEST_ASSERT(cond, msg) \
do { \
if (!(cond)) { \
printf("FAIL: %s (line %d)\n", msg, __LINE__); \
return 1; \
} else { \
printf("PASS: %s\n", msg); \
} \
} while(0)
/* Структура для хранения тестового пакета */
typedef struct {
uint8_t* data;
size_t len;
} test_packet_t;
#define MAX_TEST_PACKETS 20000
static test_packet_t sent_packets[MAX_TEST_PACKETS];
static test_packet_t received_packets[MAX_TEST_PACKETS];
static int sent_count = 0;
static int received_count = 0;
static uasync_t* test_ua = NULL;
static void reset_test_data(void) {
for (int i = 0; i < sent_count; i++) {
free(sent_packets[i].data);
sent_packets[i].data = NULL;
}
for (int i = 0; i < received_count; i++) {
free(received_packets[i].data);
received_packets[i].data = NULL;
}
sent_count = 0;
received_count = 0;
}
static void add_sent_packet(const uint8_t* data, size_t len) {
assert(sent_count < MAX_TEST_PACKETS);
sent_packets[sent_count].data = malloc(len);
assert(sent_packets[sent_count].data);
memcpy(sent_packets[sent_count].data, data, len);
sent_packets[sent_count].len = len;
sent_count++;
}
static void add_received_packet(const uint8_t* data, size_t len) {
assert(received_count < MAX_TEST_PACKETS);
received_packets[received_count].data = malloc(len);
assert(received_packets[received_count].data);
memcpy(received_packets[received_count].data, data, len);
received_packets[received_count].len = len;
received_count++;
}
static int compare_packets(void) {
if (sent_count != received_count) {
printf("Packet count mismatch: sent=%d, received=%d\n", sent_count, received_count);
return -1;
}
for (int i = 0; i < sent_count; i++) {
if (sent_packets[i].len != received_packets[i].len) {
printf("Packet %d length mismatch: sent=%zu, received=%zu\n",
i, sent_packets[i].len, received_packets[i].len);
return -1;
}
if (memcmp(sent_packets[i].data, received_packets[i].data, sent_packets[i].len) != 0) {
printf("Packet %d data mismatch\n", i);
return -1;
}
}
return 0;
}
/* Создать тестовый пакет со случайным содержимым */
static ll_entry_t* create_test_packet(size_t data_size) {
ll_entry_t* entry = queue_entry_new(data_size);
if (!entry) {
return NULL;
}
uint8_t* data = ll_entry_data(entry);
for (size_t i = 0; i < data_size; i++) {
data[i] = rand() & 0xFF;
}
return entry;
}
/* Коллбэк для пересылки пакетов от упаковщика к распаковщику */
static void forward_cb(ll_queue_t* q, ll_entry_t* unused, void* arg) {
(void)unused;
ll_queue_t* target = (ll_queue_t*)arg;
while (queue_entry_count(q) > 0) {
ll_entry_t* e = queue_entry_get(q);
queue_entry_put(target, e); // Transfer ownership
}
queue_resume_callback(q);
}
/* Коллбэк для сбора полученных пакетов */
static void receive_cb(ll_queue_t* q, ll_entry_t* unused, void* arg) {
(void)unused;
(void)arg;
while (queue_entry_count(q) > 0) {
ll_entry_t* e = queue_entry_get(q);
uint8_t* data = ll_entry_data(e);
size_t len = ll_entry_size(e);
add_received_packet(data, len);
queue_entry_free(e);
}
queue_resume_callback(q);
}
/* Принудительно обработать все очереди, вызывая коллбэки для непустых очередей
* Это нужно потому что в тестовой среде нет uasync_mainloop
*/
static void process_queues(pkt_normalizer_pair* pair) {
int iterations = 0;
int processed;
/* Сначала принудительно сбросим все флаги callback_suspended, потому что
* uasync таймауты не работают в тестовой среде */
pair->packer->input->callback_suspended = 0;
pair->packer->output->callback_suspended = 0;
pair->unpacker->input->callback_suspended = 0;
pair->unpacker->output->callback_suspended = 0;
do {
processed = 0;
iterations++;
if (iterations % 10 == 1) printf("process_queues iteration %d: counts: pi=%d po=%d ui=%d uo=%d\n", iterations, queue_entry_count(pair->packer->input), queue_entry_count(pair->packer->output), queue_entry_count(pair->unpacker->input), queue_entry_count(pair->unpacker->output));
/* Обработать входную очередь упаковщика */
while (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
processed = 1;
}
/* Обработать выходную очередь упаковщика (forward_cb) */
if (pair->packer->output->callback &&
queue_entry_count(pair->packer->output) > 0) {
pair->packer->output->callback(pair->packer->output,
pair->packer->output->head,
pair->packer->output->callback_arg);
processed = 1;
}
/* Обработать входную очередь распаковщика */
if (pair->unpacker->input->callback &&
queue_entry_count(pair->unpacker->input) > 0) {
pair->unpacker->input->callback(pair->unpacker->input,
pair->unpacker->input->head,
pair->unpacker->input->callback_arg);
processed = 1;
}
/* Обработать выходную очередь распаковщика (receive_cb) */
if (pair->unpacker->output->callback &&
queue_entry_count(pair->unpacker->output) > 0) {
pair->unpacker->output->callback(pair->unpacker->output,
pair->unpacker->output->head,
pair->unpacker->output->callback_arg);
processed = 1;
}
if (iterations > 100000) {
printf("ERROR: process_queues infinite loop detected\n");
break;
}
} while (processed);
}
/* Тест 1: мелкие пакеты */
static int test_small_packets(pkt_normalizer_pair* pair) {
printf("\n--- Test 1: small packets ---\n");
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
const char* packets[] = {"hello", "world", "test"};
for (size_t i = 0; i < sizeof(packets)/sizeof(packets[0]); i++) {
size_t len = strlen(packets[i]);
ll_entry_t* entry = queue_entry_new(len);
TEST_ASSERT(entry != NULL, "create packet");
memcpy(ll_entry_data(entry), packets[i], len);
add_sent_packet((const uint8_t*)packets[i], len);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put into packer input");
}
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "small packets comparison");
return 0;
}
/* Тест 2: средний пакет (не фрагментируется) */
static int test_medium_packet(pkt_normalizer_pair* pair) {
printf("\n--- Test 2: medium packet ---\n");
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
size_t data_size = 500;
ll_entry_t* entry = create_test_packet(data_size);
TEST_ASSERT(entry != NULL, "create medium packet");
uint8_t* data = ll_entry_data(entry);
add_sent_packet(data, data_size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put medium packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "medium packet comparison");
return 0;
}
/* Тест 3: большой пакет с фрагментацией */
static int test_fragmentation(pkt_normalizer_pair* pair) {
printf("\n--- Test 3: fragmentation ---\n");
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
/* Сохранить оригинальный размер фрагмента */
int original_fragment_size = settings.max_fragment_size;
/* Установить маленький размер фрагмента для тестирования */
settings.max_fragment_size = 300;
size_t data_size = 1000; /* Должен быть фрагментирован */
ll_entry_t* entry = create_test_packet(data_size);
TEST_ASSERT(entry != NULL, "create big packet");
uint8_t* data = ll_entry_data(entry);
add_sent_packet(data, data_size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put big packet");
process_queues(pair);
/* Проверить, что не было ошибок сборки */
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no fragmentation errors");
/* Восстановить оригинальный размер */
settings.max_fragment_size = original_fragment_size;
TEST_ASSERT(compare_packets() == 0, "fragmented packet comparison");
return 0;
}
/* Тест 4: несколько пакетов разного размера */
static int test_mixed_packets(pkt_normalizer_pair* pair) {
printf("\n--- Test 4: mixed size packets ---\n");
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
/* Отправить пакеты разных размеров */
size_t sizes[] = {10, 100, 50, 300, 5};
for (size_t i = 0; i < sizeof(sizes)/sizeof(sizes[0]); i++) {
ll_entry_t* entry = create_test_packet(sizes[i]);
TEST_ASSERT(entry != NULL, "create mixed packet");
uint8_t* data = ll_entry_data(entry);
add_sent_packet(data, sizes[i]);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put mixed packet");
}
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "mixed packets comparison");
return 0;
}
/* Тест 6: стресс-тест со случайными размерами пакетов */
static int test_stress_random(pkt_normalizer_pair* pair) {
printf("\n--- Test 6: stress test with 10000 random packets (0-4096 bytes) ---\n");
const int NUM_PACKETS = 10000;
const int MAX_PACKET_SIZE = 4096;
int original_fragment_size = settings.max_fragment_size;
/* Часть 1: 10000 случайных пакетов без изменения размера фрагмента */
printf("Sending %d random packets...\n", NUM_PACKETS);
reset_test_data();
pkt_normalizer_reset_error_count(pair->packer);
pkt_normalizer_reset_error_count(pair->unpacker);
for (int i = 0; i < NUM_PACKETS; i++) {
/* Случайный размер пакета от 0 до MAX_PACKET_SIZE */
size_t size = rand() % (MAX_PACKET_SIZE + 1);
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create random packet");
uint8_t* data = ll_entry_data(entry);
add_sent_packet(data, size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put random packet");
// Периодически обрабатывать очереди чтобы не переполнять
if (i % 500 == 0) {
process_queues(pair);
}
// Прогресс
if (i % 1000 == 0) {
printf(" Progress: %d/%d sent=%d received=%d pi=%d po=%d ui=%d uo=%d\n",
i, NUM_PACKETS, sent_count, received_count,
queue_entry_count(pair->packer->input),
queue_entry_count(pair->packer->output),
queue_entry_count(pair->unpacker->input),
queue_entry_count(pair->unpacker->output));
}
}
// Обработать оставшиеся пакеты
process_queues(pair);
printf("Sent %d packets, received %d packets\n", sent_count, received_count);
TEST_ASSERT(sent_count == NUM_PACKETS, "all packets sent");
TEST_ASSERT(received_count == NUM_PACKETS, "all packets received");
TEST_ASSERT(compare_packets() == 0, "all packets matched");
printf("Packer error count: %d\n", pkt_normalizer_get_error_count(pair->packer));
printf("Unpacker error count: %d\n", pkt_normalizer_get_error_count(pair->unpacker));
TEST_ASSERT(pkt_normalizer_get_error_count(pair->packer) <= 10, "too many packer errors");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no unpacker errors");
/* Часть 2: проверка дефрагментации (большой пакет фрагментируется, а не отправляется мелкими пакетами) */
printf("\n--- Verifying fragmentation behavior ---\n");
settings.max_fragment_size = 500;
reset_test_data();
pkt_normalizer_reset_error_count(pair->packer);
pkt_normalizer_reset_error_count(pair->unpacker);
// Большой пакет, который должен быть фрагментирован
size_t big_packet_size = 2000;
ll_entry_t* entry = create_test_packet(big_packet_size);
TEST_ASSERT(entry != NULL, "create big packet");
add_sent_packet(ll_entry_data(entry), big_packet_size);
// Подсчитать количество элементов в output очереди packer'а до обработки
int initial_output_count = queue_entry_count(pair->packer->output);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put big packet");
// Обработать только packer (чтобы фрагменты появились в его output)
if (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
}
// Проверить количество фрагментов в output очереди packer'а
int fragment_count = queue_entry_count(pair->packer->output);
printf("Big packet %zu bytes, fragment size %d, produced %d fragments\n",
big_packet_size, settings.max_fragment_size, fragment_count);
// Должно быть больше 1 фрагмента
TEST_ASSERT(fragment_count > 1, "packet was fragmented");
// Ожидаемое количество фрагментов: ceil(2000 / (500 - overhead))
TEST_ASSERT(fragment_count >= 3 && fragment_count <= 6, "reasonable fragment count");
// Теперь обработать все фрагменты через unpacker и проверить сборку
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "fragmented packet correctly reassembled");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no unpacker errors");
/* Часть 3: проверка отправки буфера при пустой входной очереди */
printf("\n--- Verifying buffer flush on empty input queue ---\n");
settings.max_fragment_size = 500;
reset_test_data();
pkt_normalizer_reset_error_count(pair->packer);
pkt_normalizer_reset_error_count(pair->unpacker);
// Отправить маленький пакет, который поместится в буфер packer'а
size_t small_size = 100;
ll_entry_t* entry1 = create_test_packet(small_size);
TEST_ASSERT(entry1 != NULL, "create first small packet");
add_sent_packet(ll_entry_data(entry1), small_size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry1) == 0, "put first packet");
// Обработать packer input (пакет должен добавиться в буфер, но не отправиться)
if (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
}
// Проверить, что в output очереди ничего нет (пакет ещё не отправлен)
int output_before = queue_entry_count(pair->packer->output);
printf("After first packet: packer output queue count = %d\n", output_before);
// Отправим второй маленький пакет, который заставит packer отправить буфер
ll_entry_t* entry2 = create_test_packet(small_size);
TEST_ASSERT(entry2 != NULL, "create second small packet");
add_sent_packet(ll_entry_data(entry2), small_size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry2) == 0, "put second packet");
// Обработать packer input
if (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
}
// Теперь в output должна быть хотя бы одна запись (буфер отправлен)
int output_after = queue_entry_count(pair->packer->output);
printf("After second packet: packer output queue count = %d\n", output_after);
TEST_ASSERT(output_after > output_before, "buffer flushed when new packet arrives");
// Обработать все оставшиеся очереди
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "both packets correctly processed");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no unpacker errors");
settings.max_fragment_size = original_fragment_size;
return 0;
}
/* Тест 7: граничные случаи и максимальные размеры */
static int test_edge_cases(pkt_normalizer_pair* pair) {
printf("\n--- Test 7: edge cases and maximum sizes ---\n");
int original_fragment_size = settings.max_fragment_size;
/* Сбросить данные теста */
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
pkt_normalizer_flush(pair->packer);
/* Тест 1: минимальный размер пакета (1 байт) */
{
size_t size = 1;
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 1-byte packet");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put 1-byte packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "1-byte packet comparison");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors for 1-byte packet");
}
/* Тест 2: граница одно- и двухбайтного заголовка (239/240) */
{
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
pkt_normalizer_flush(pair->packer);
size_t size = 239;
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 239-byte packet");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put 239-byte packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "239-byte packet comparison");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors for 239-byte packet");
}
{
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
size_t size = 240;
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 240-byte packet");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put 240-byte packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "240-byte packet comparison");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors for 240-byte packet");
}
/* Тест 3: максимальный размер без фрагментации (3839) */
{
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
pkt_normalizer_flush(pair->packer);
size_t size = 3839;
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 3839-byte packet");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put 3839-byte packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "3839-byte packet comparison");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors for 3839-byte packet");
}
/* Тест 4: размер, требующий фрагментации (3840) с обычным max_fragment_size */
{
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
pkt_normalizer_flush(pair->packer);
size_t size = 3840;
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 3840-byte packet");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put 3840-byte packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "3840-byte packet comparison");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors for 3840-byte packet");
}
/* Тест 5: размер чуть меньше max_fragment_size, чтобы не фрагментироваться */
{
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
pkt_normalizer_flush(pair->packer);
settings.max_fragment_size = 500;
size_t size = 480; /* достаточно мало, чтобы поместиться с заголовком */
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 480-byte packet with fragment size 500");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "packet comparison with fragment size 500");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors");
}
/* Тест 6: размер чуть больше max_fragment_size, чтобы вызвать фрагментацию */
{
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
pkt_normalizer_flush(pair->packer);
settings.max_fragment_size = 500;
size_t size = 520; /* потребует фрагментации */
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 520-byte packet with fragment size 500");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "packet comparison with fragmentation");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors");
}
/* Тест 7: максимальный размер пакета с фрагментации (65535) - ограничим 10000 для скорости */
{
reset_test_data();
pkt_normalizer_reset_error_count(pair->unpacker);
pkt_normalizer_flush(pair->packer);
settings.max_fragment_size = 1000;
size_t size = 10000;
ll_entry_t* entry = create_test_packet(size);
TEST_ASSERT(entry != NULL, "create 10000-byte fragmented packet");
add_sent_packet(ll_entry_data(entry), size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put large fragmented packet");
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "large fragmented packet comparison");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no errors for large fragmented packet");
}
settings.max_fragment_size = original_fragment_size;
return 0;
}
/* Тест 8: 10000 пакетов случайного размера (1-1024 байт) */
/* Тест 9: проверка дефрагментации (большой пакет фрагментируется, не отправляется мелкими пакетами) */
static int test_fragmentation_verify(pkt_normalizer_pair* pair) {
printf("\n--- Test 9: fragmentation verification ---\n");
int original_fragment_size = settings.max_fragment_size;
// Установить маленький размер фрагмента для теста
settings.max_fragment_size = 500;
reset_test_data();
pkt_normalizer_reset_error_count(pair->packer);
pkt_normalizer_reset_error_count(pair->unpacker);
// Большой пакет, который должен быть фрагментирован
size_t big_packet_size = 2000; // Должен быть разбит на ~4 фрагмента (500 байт каждый с накладными расходами)
ll_entry_t* entry = create_test_packet(big_packet_size);
TEST_ASSERT(entry != NULL, "create big packet");
add_sent_packet(ll_entry_data(entry), big_packet_size);
// Подсчитать количество элементов в output очереди packer'а до обработки
int initial_output_count = queue_entry_count(pair->packer->output);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put big packet");
// Обработать только packer (чтобы фрагменты появились в его output)
// Вместо process_queues вызовем обработку только packer input и output
if (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
}
// Проверить количество фрагментов в output очереди packer'а
int fragment_count = queue_entry_count(pair->packer->output);
printf("Big packet %zu bytes, fragment size %d, produced %d fragments\n",
big_packet_size, settings.max_fragment_size, fragment_count);
// Должно быть больше 1 фрагмента
TEST_ASSERT(fragment_count > 1, "packet was fragmented");
// Ожидаемое количество фрагментов: ceil(2000 / (500 - overhead))
// overhead зависит от заголовков. Минимум 1 байт заголовка на фрагмент + 2 байта длины
// Приблизительно 4-5 фрагментов
TEST_ASSERT(fragment_count >= 3 && fragment_count <= 6, "reasonable fragment count");
// Теперь обработать все фрагменты через unpacker и проверить сборку
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "fragmented packet correctly reassembled");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no unpacker errors");
settings.max_fragment_size = original_fragment_size;
return 0;
}
/* Тест 10: проверка отправки буфера при пустой входной очереди */
static int test_empty_queue_flush(pkt_normalizer_pair* pair) {
printf("\n--- Test 10: empty queue buffer flush ---\n");
int original_fragment_size = settings.max_fragment_size;
settings.max_fragment_size = 500;
reset_test_data();
pkt_normalizer_reset_error_count(pair->packer);
pkt_normalizer_reset_error_count(pair->unpacker);
// Отправить маленький пакет, который поместится в буфер packer'а
size_t small_size = 100;
ll_entry_t* entry1 = create_test_packet(small_size);
TEST_ASSERT(entry1 != NULL, "create first small packet");
add_sent_packet(ll_entry_data(entry1), small_size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry1) == 0, "put first packet");
// Обработать packer input (пакет должен добавиться в буфер, но не отправиться)
if (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
}
// Проверить, что буфер не пуст (packer накопил данные)
// packer должен иметь len > 0, но мы не можем получить доступ к внутреннему состоянию.
// Вместо этого проверим, что в output очереди ничего нет (пакет ещё не отправлен)
int output_before = queue_entry_count(pair->packer->output);
printf("After first packet: packer output queue count = %d\n", output_before);
// Теперь симулируем ситуацию, когда входящая очередь пуста и вызывается callback
// В реальности packer_handler вызывается при добавлении нового пакета.
// Но мы можем проверить, что при следующем пакете буфер будет отправлен.
// Отправим второй маленький пакет, который заставит packer отправить буфер
ll_entry_t* entry2 = create_test_packet(small_size);
TEST_ASSERT(entry2 != NULL, "create second small packet");
add_sent_packet(ll_entry_data(entry2), small_size);
TEST_ASSERT(queue_entry_put(pair->packer->input, entry2) == 0, "put second packet");
// Обработать packer input
if (pair->packer->input->callback &&
queue_entry_count(pair->packer->input) > 0) {
pair->packer->input->callback(pair->packer->input,
pair->packer->input->head,
pair->packer->input->callback_arg);
}
// Теперь в output должна быть хотя бы одна запись (буфер отправлен)
int output_after = queue_entry_count(pair->packer->output);
printf("After second packet: packer output queue count = %d\n", output_after);
TEST_ASSERT(output_after > output_before, "buffer flushed when new packet arrives");
// Обработать все оставшиеся очереди
process_queues(pair);
TEST_ASSERT(compare_packets() == 0, "both packets correctly processed");
TEST_ASSERT(pkt_normalizer_get_error_count(pair->unpacker) == 0, "no unpacker errors");
settings.max_fragment_size = original_fragment_size;
return 0;
}
/* Тест async wait: проверка асинхронного ожидания порога в очереди */
static void test_callback(ll_queue_t* q_arg, void* arg) {
(void)q_arg;
int* flag = (int*)arg;
*flag = 1;
}
static int test_async_wait(void) {
printf("\n--- Test async wait: threshold waiter ---\n");
ll_queue_t* q = queue_new(test_ua);
TEST_ASSERT(q != NULL, "create queue for async wait test");
int callback_called = 0;
// Добавим элемент, чтобы очередь была непустой
ll_entry_t* entry = queue_entry_new(10);
TEST_ASSERT(entry != NULL, "create entry");
TEST_ASSERT(queue_entry_put(q, entry) == 0, "put entry");
// Регистрируем ожидание: когда очередь будет <= 0 пакетов и <= 0 байт
// Условие не выполнено, поэтому коллбэк не должен вызваться сразу
queue_waiter_t* waiter = queue_wait_threshold(q, 0, 0, test_callback, &callback_called);
TEST_ASSERT(waiter != NULL, "waiter registered");
TEST_ASSERT(callback_called == 0, "callback not called immediately");
// Извлекаем элемент - условие должно выполниться и коллбэк вызваться
ll_entry_t* retrieved = queue_entry_get(q);
TEST_ASSERT(retrieved != NULL, "retrieved entry");
queue_entry_free(retrieved);
// Коллбэк должен был быть вызван внутри queue_entry_get через check_waiters
TEST_ASSERT(callback_called == 1, "callback called after threshold met");
// Отменяем waiter (хотя он уже должен быть удален)
queue_cancel_wait(q, waiter);
queue_free(q);
return 0;
}
/* Тест 5: проверка жизненного цикла */
static int test_lifecycle(void) {
printf("\n--- Test 5: lifecycle ---\n");
pkt_normalizer_pair* pair = pkt_normalizer_pair_init(test_ua);
TEST_ASSERT(pair != NULL, "pair initialization");
TEST_ASSERT(pair->packer != NULL, "packer initialization");
TEST_ASSERT(pair->unpacker != NULL, "unpacker initialization");
/* Создать тестовые очереди */
ll_queue_t* test_queue = queue_new(test_ua);
TEST_ASSERT(test_queue != NULL, "test queue creation");
/* Отправить один пакет */
const char* test_data = "test";
ll_entry_t* entry = queue_entry_new(strlen(test_data));
TEST_ASSERT(entry != NULL, "create test packet");
memcpy(ll_entry_data(entry), test_data, strlen(test_data));
TEST_ASSERT(queue_entry_put(pair->packer->input, entry) == 0, "put test packet");
/* Освободить всё */
pkt_normalizer_pair_deinit(pair);
queue_free(test_queue);
return 0;
}
/* Debug stress test to trace packet flow */
int main(void) {
int result = 0;
printf("=== Packet Normalizer Unit Test ===\n");
srand((unsigned int)time(NULL));
test_ua = uasync_create();
if (!test_ua) {
fprintf(stderr, "Failed to create uasync instance\n");
return 1;
}
uasync_init_instance(test_ua);
pkt_normalizer_pair* pair = pkt_normalizer_pair_init(test_ua);
if (!pair) {
fprintf(stderr, "Failed to initialize packet normalizer pair\n");
return 1;
}
/* Настроить цепочку обработки: packer->output -> unpacker->input -> unpacker->output */
queue_set_callback(pair->packer->output, forward_cb, pair->unpacker->input);
queue_set_callback(pair->unpacker->output, receive_cb, NULL);
result |= test_lifecycle();
result |= test_small_packets(pair);
result |= test_medium_packet(pair);
result |= test_fragmentation(pair);
result |= test_mixed_packets(pair);
result |= test_stress_random(pair);
result |= test_edge_cases(pair);
result |= test_fragmentation_verify(pair);
result |= test_empty_queue_flush(pair);
result |= test_async_wait();
pkt_normalizer_pair_deinit(pair);
reset_test_data();
if (result == 0) {
printf("\n=== All tests PASSED ===\n");
} else {
printf("\n=== Some tests FAILED ===\n");
}
return result;
}
tests/test_routing.c
-195
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@@ -1,195 +0,0 @@
/**
* Unit tests for routing.c
*/
#include "routing.h"
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <arpa/inet.h>
static void test_create_destroy(void) {
routing_table_t *table = routing_table_create();
assert(table != NULL);
assert(table->count == 0);
assert(table->capacity > 0);
routing_table_destroy(table);
printf("PASS: test_create_destroy\n");
}
static void test_insert_lookup(void) {
routing_table_t *table = routing_table_create();
assert(table != NULL);
route_entry_t entry = {0};
entry.network = inet_addr("10.0.0.0");
entry.prefix_length = 24;
entry.next_hop_ip = inet_addr("192.168.1.1");
entry.next_hop = NULL;
entry.type = ROUTE_TYPE_STATIC;
entry.flags = ROUTE_FLAG_ACTIVE;
entry.metrics.bandwidth_kbps = 1000;
entry.metrics.latency_ms = 10;
entry.metrics.packet_loss_rate = 50; // 0.5%
entry.metrics.hop_count = 1;
bool inserted = routing_table_insert(table, &entry);
assert(inserted == true);
assert(table->count == 1);
route_entry_t found = {0};
bool found_route = routing_table_lookup(table, inet_addr("10.0.0.5"), &found);
assert(found_route == true);
assert(found.network == entry.network);
assert(found.prefix_length == entry.prefix_length);
assert(found.next_hop_ip == entry.next_hop_ip);
// Lookup non-existent
found_route = routing_table_lookup(table, inet_addr("192.168.2.1"), &found);
assert(found_route == false);
routing_table_destroy(table);
printf("PASS: test_insert_lookup\n");
}
static void test_validation(void) {
routing_table_t *table = routing_table_create();
assert(table != NULL);
// Add allowed dynamic subnet
bool added = routing_add_dynamic_subnet(table, inet_addr("172.16.0.0"), 16);
assert(added == true);
// Try to insert a dynamic route that matches allowed subnet
route_entry_t entry = {0};
entry.network = inet_addr("172.16.1.0");
entry.prefix_length = 24;
entry.next_hop_ip = inet_addr("192.168.1.1");
entry.type = ROUTE_TYPE_DYNAMIC;
entry.flags = ROUTE_FLAG_ACTIVE;
bool inserted = routing_table_insert(table, &entry);
assert(inserted == true);
// Try to insert a dynamic route outside allowed subnet (should fail validation)
route_entry_t entry2 = {0};
entry2.network = inet_addr("10.0.0.0");
entry2.prefix_length = 24;
entry2.next_hop_ip = inet_addr("192.168.1.1");
entry2.type = ROUTE_TYPE_DYNAMIC;
entry2.flags = ROUTE_FLAG_ACTIVE;
inserted = routing_table_insert(table, &entry2);
assert(inserted == false); // should be rejected
// Static routes should bypass validation
route_entry_t entry3 = {0};
entry3.network = inet_addr("10.0.0.0");
entry3.prefix_length = 24;
entry3.next_hop_ip = inet_addr("192.168.1.1");
entry3.type = ROUTE_TYPE_STATIC;
entry3.flags = ROUTE_FLAG_ACTIVE;
inserted = routing_table_insert(table, &entry3);
assert(inserted == true); // static allowed
routing_table_destroy(table);
printf("PASS: test_validation\n");
}
static void test_delete(void) {
routing_table_t *table = routing_table_create();
assert(table != NULL);
route_entry_t entry = {0};
entry.network = inet_addr("10.0.0.0");
entry.prefix_length = 24;
entry.next_hop_ip = inet_addr("192.168.1.1");
entry.type = ROUTE_TYPE_STATIC;
entry.flags = ROUTE_FLAG_ACTIVE;
bool inserted = routing_table_insert(table, &entry);
assert(inserted == true);
assert(table->count == 1);
bool deleted = routing_table_delete(table, inet_addr("10.0.0.0"), 24, entry.next_hop_ip);
assert(deleted == true);
assert(table->count == 0);
// Delete non-existent
deleted = routing_table_delete(table, inet_addr("10.0.0.0"), 24, entry.next_hop_ip);
assert(deleted == false);
routing_table_destroy(table);
printf("PASS: test_delete\n");
}
static void test_local_subnets(void) {
routing_table_t *table = routing_table_create();
assert(table != NULL);
bool added = routing_add_local_subnet(table, inet_addr("192.168.0.0"), 24);
assert(added == true);
// Local subnet validation should pass for local routes
route_entry_t entry = {0};
entry.network = inet_addr("192.168.0.0");
entry.prefix_length = 24;
entry.next_hop_ip = inet_addr("0.0.0.0");
entry.type = ROUTE_TYPE_LOCAL;
entry.flags = ROUTE_FLAG_ACTIVE;
bool inserted = routing_table_insert(table, &entry);
assert(inserted == true);
routing_table_destroy(table);
printf("PASS: test_local_subnets\n");
}
static void test_get_all_routes(void) {
routing_table_t *table = routing_table_create();
assert(table != NULL);
// Insert multiple routes for same network
route_entry_t entry1 = {0};
entry1.network = inet_addr("10.0.0.0");
entry1.prefix_length = 24;
entry1.next_hop_ip = inet_addr("192.168.1.1");
entry1.type = ROUTE_TYPE_STATIC;
entry1.flags = ROUTE_FLAG_ACTIVE;
route_entry_t entry2 = {0};
entry2.network = inet_addr("10.0.0.0");
entry2.prefix_length = 24;
entry2.next_hop_ip = inet_addr("192.168.1.2");
entry2.type = ROUTE_TYPE_STATIC;
entry2.flags = ROUTE_FLAG_ACTIVE;
assert(routing_table_insert(table, &entry1) == true);
assert(routing_table_insert(table, &entry2) == true);
route_entry_t *routes = NULL;
size_t count = 0;
bool got = routing_get_all_routes(table, inet_addr("10.0.0.0"), 24, &routes, &count);
assert(got == true);
assert(count == 2);
// Clean up allocated routes
free(routes);
routing_table_destroy(table);
printf("PASS: test_get_all_routes\n");
}
int main(void) {
printf("Running routing unit tests...\n");
test_create_destroy();
test_insert_lookup();
test_validation();
test_delete();
test_local_subnets();
test_get_all_routes();
printf("All tests passed!\n");
return 0;
}
tests/test_routing_full.c
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@@ -1,414 +0,0 @@
// tests/test_routing_full.c - Comprehensive routing table tests
#include "routing.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <arpa/inet.h>
#include <sys/time.h>
#define TEST_ASSERT(cond, msg) do { \
if (!(cond)) { \
fprintf(stderr, "FAIL: %s\n", msg); \
return -1; \
} \
} while(0)
#define TEST_PASS(msg) printf(" ✓ %s\n", msg)
// Helper: Convert IP string to uint32_t
static uint32_t ip_to_uint32(const char* ip) {
struct in_addr addr;
inet_pton(AF_INET, ip, &addr);
return ntohl(addr.s_addr);
}
// Helper: Convert uint32_t to IP string
static const char* uint32_to_ip(uint32_t ip, char* buf) {
struct in_addr addr;
addr.s_addr = htonl(ip);
return inet_ntop(AF_INET, &addr, buf, INET_ADDRSTRLEN);
}
// Test 1: Basic create and destroy
static int test_routing_table_create_destroy(void) {
printf("\n=== Test 1: Create and Destroy ===\n");
struct routing_table* table = routing_table_create();
TEST_ASSERT(table != NULL, "Table creation failed");
TEST_ASSERT(table->entries != NULL, "Entries should be allocated initially");
TEST_ASSERT(table->count == 0, "Count should be 0");
TEST_ASSERT(table->capacity == 100, "Capacity should be 100 (INITIAL_ROUTE_CAPACITY)");
TEST_PASS("Table created successfully");
routing_table_destroy(table);
TEST_PASS("Table destroyed successfully");
return 0;
}
// Test 2: Insert and lookup basic routes
static int test_routing_insert_lookup_basic(void) {
printf("\n=== Test 2: Insert and Lookup Basic Routes ===\n");
struct routing_table* table = routing_table_create();
TEST_ASSERT(table != NULL, "Table creation failed");
// Insert default route
struct route_entry default_route = {
.network = 0, // 0.0.0.0
.prefix_length = 0,
.next_hop_ip = ip_to_uint32("192.168.1.1"),
.type = ROUTE_TYPE_STATIC,
.flags = ROUTE_FLAG_ACTIVE
};
bool result = routing_table_insert(table, &default_route);
TEST_ASSERT(result == true, "Failed to insert default route");
TEST_ASSERT(table->count == 1, "Count should be 1");
TEST_PASS("Default route inserted");
// Insert LAN route
struct route_entry lan_route = {
.network = ip_to_uint32("192.168.1.0"),
.prefix_length = 24,
.next_hop_ip = 0, // Directly connected
.type = ROUTE_TYPE_LOCAL,
.flags = ROUTE_FLAG_ACTIVE
};
result = routing_table_insert(table, &lan_route);
TEST_ASSERT(result == true, "Failed to insert LAN route");
TEST_ASSERT(table->count == 2, "Count should be 2");
TEST_PASS("LAN route inserted");
// Test lookup for LAN IP
struct route_entry found_route;
uint32_t test_ip = ip_to_uint32("192.168.1.100");
result = routing_table_lookup(table, test_ip, &found_route);
TEST_ASSERT(result == true, "Failed to lookup LAN IP");
TEST_ASSERT(found_route.network == lan_route.network, "Wrong route found");
TEST_PASS("LAN IP lookup correct");
// Test lookup for external IP (should use default)
uint32_t external_ip = ip_to_uint32("8.8.8.8");
result = routing_table_lookup(table, external_ip, &found_route);
TEST_ASSERT(result == true, "Failed to lookup external IP");
TEST_ASSERT(found_route.network == default_route.network, "Default route not found");
TEST_PASS("Default route lookup correct");
routing_table_destroy(table);
TEST_PASS("Table destroyed");
return 0;
}
// Test 3: Longest Prefix Match
static int test_routing_longest_prefix_match(void) {
printf("\n=== Test 3: Longest Prefix Match ===\n");
struct routing_table* table = routing_table_create();
TEST_ASSERT(table != NULL, "Table creation failed");
// Insert multiple overlapping routes
struct route_entry route_24 = {
.network = ip_to_uint32("10.0.0.0"),
.prefix_length = 24,
.next_hop_ip = ip_to_uint32("192.168.1.1"),
.type = ROUTE_TYPE_STATIC
};
routing_table_insert(table, &route_24);
struct route_entry route_16 = {
.network = ip_to_uint32("10.0.0.0"),
.prefix_length = 16,
.next_hop_ip = ip_to_uint32("192.168.1.2"),
.type = ROUTE_TYPE_STATIC
};
routing_table_insert(table, &route_16);
struct route_entry route_8 = {
.network = ip_to_uint32("10.0.0.0"),
.prefix_length = 8,
.next_hop_ip = ip_to_uint32("192.168.1.3"),
.type = ROUTE_TYPE_STATIC
};
routing_table_insert(table, &route_8);
TEST_ASSERT(table->count == 3, "Should have 3 routes");
TEST_PASS("3 overlapping routes inserted");
// Lookup should find /24 route (longest prefix)
struct route_entry found;
uint32_t test_ip = ip_to_uint32("10.0.0.50");
bool result = routing_table_lookup(table, test_ip, &found);
TEST_ASSERT(result == true, "Lookup failed");
TEST_ASSERT(found.prefix_length == 24, "Should find /24 route");
TEST_ASSERT(found.next_hop_ip == route_24.next_hop_ip, "Wrong next hop");
TEST_PASS("Longest prefix match works");
routing_table_destroy(table);
return 0;
}
// Test 4: Delete routes
static int test_routing_delete(void) {
printf("\n=== Test 4: Delete Routes ===\n");
struct routing_table* table = routing_table_create();
// Insert 3 routes
struct route_entry routes[3] = {
{ip_to_uint32("10.0.1.0"), 24, ip_to_uint32("192.168.1.1"), NULL, ROUTE_TYPE_STATIC},
{ip_to_uint32("10.0.2.0"), 24, ip_to_uint32("192.168.1.2"), NULL, ROUTE_TYPE_STATIC},
{ip_to_uint32("10.0.3.0"), 24, ip_to_uint32("192.168.1.3"), NULL, ROUTE_TYPE_STATIC}
};
for (int i = 0; i < 3; i++) {
routing_table_insert(table, &routes[i]);
}
TEST_ASSERT(table->count == 3, "Should have 3 routes");
TEST_PASS("3 routes inserted");
// Delete middle route
bool result = routing_table_delete(table, routes[1].network, routes[1].prefix_length, routes[1].next_hop_ip);
TEST_ASSERT(result == true, "Delete failed");
TEST_ASSERT(table->count == 2, "Count should be 2");
TEST_PASS("Route deleted");
// Verify deleted route not found, but other routes still work
struct route_entry found;
result = routing_table_lookup(table, ip_to_uint32("10.0.1.50"), &found);
TEST_ASSERT(result == true, "Should find remaining route 1");
TEST_ASSERT(found.network == routes[0].network, "Should find route 1");
result = routing_table_lookup(table, ip_to_uint32("10.0.3.50"), &found);
TEST_ASSERT(result == true, "Should find remaining route 3");
TEST_ASSERT(found.network == routes[2].network, "Should find route 3");
TEST_PASS("Remaining routes functional");
routing_table_destroy(table);
return 0;
}
// Test 5: Route types and validation
static int test_routing_types_validation(void) {
printf("\n=== Test 5: Route Types and Validation ===\n");
struct routing_table* table = routing_table_create();
// Insert different route types
struct route_entry static_route = {
.network = ip_to_uint32("192.168.1.0"),
.prefix_length = 24,
.next_hop_ip = ip_to_uint32("10.0.0.1"),
.next_hop = NULL,
.type = ROUTE_TYPE_STATIC
};
routing_table_insert(table, &static_route);
struct route_entry local_route = {
.network = ip_to_uint32("192.168.2.0"),
.prefix_length = 24,
.next_hop_ip = 0,
.next_hop = NULL,
.type = ROUTE_TYPE_LOCAL
};
routing_table_insert(table, &local_route);
struct route_entry dynamic_route = {
.network = ip_to_uint32("192.168.3.0"),
.prefix_length = 24,
.next_hop_ip = ip_to_uint32("10.0.0.2"),
.next_hop = NULL,
.type = ROUTE_TYPE_DYNAMIC
};
routing_table_insert(table, &dynamic_route);
TEST_ASSERT(table->count == 3, "Should have 3 routes");
TEST_PASS("Different route types inserted");
// Validate routes
bool result = routing_validate_route(table, static_route.network,
static_route.prefix_length, ROUTE_TYPE_STATIC);
TEST_ASSERT(result == true, "Static route validation failed");
TEST_PASS("Route validation works");
routing_table_destroy(table);
return 0;
}
// Test 6: Statistics
static int test_routing_statistics(void) {
printf("\n=== Test 6: Statistics ===\n");
struct routing_table* table = routing_table_create();
// Initial stats
TEST_ASSERT(table->stats.total_routes == 0, "Initial total_routes should be 0");
TEST_ASSERT(table->stats.routes_added == 0, "Initial routes_added should be 0");
TEST_PASS("Initial stats zero");
// Add routes
struct route_entry route = {
.network = ip_to_uint32("10.0.0.0"),
.prefix_length = 24,
.next_hop_ip = ip_to_uint32("192.168.1.1"),
.type = ROUTE_TYPE_STATIC
};
routing_table_insert(table, &route);
TEST_ASSERT(table->stats.total_routes == 1, "total_routes should be 1");
TEST_ASSERT(table->stats.routes_added == 1, "routes_added should be 1");
TEST_ASSERT(table->stats.static_routes == 1, "static_routes should be 1");
TEST_PASS("Stats updated on insert");
// Perform lookups
struct route_entry found;
for (int i = 0; i < 5; i++) {
routing_table_lookup(table, ip_to_uint32("10.0.0.100"), &found);
}
TEST_ASSERT(table->stats.lookup_count == 5, "lookup_count should be 5");
TEST_ASSERT(table->stats.hit_count == 5, "hit_count should be 5");
TEST_ASSERT(table->stats.routes_lookup_hits == 5, "routes_lookup_hits should be 5");
TEST_PASS("Lookup stats tracked");
routing_table_destroy(table);
return 0;
}
// Test 7: Edge cases
static int test_routing_edge_cases(void) {
printf("\n=== Test 7: Edge Cases ===\n");
struct routing_table* table = routing_table_create();
// Lookup in empty table
struct route_entry found;
bool result = routing_table_lookup(table, ip_to_uint32("10.0.0.1"), &found);
TEST_ASSERT(result == false, "Lookup in empty table should fail");
TEST_PASS("Empty table lookup handled");
// Delete non-existent route
result = routing_table_delete(table, ip_to_uint32("10.0.0.0"), 24, 0);
TEST_ASSERT(result == false, "Delete non-existent should fail");
TEST_PASS("Delete non-existent handled");
// Insert with prefix 32
struct route_entry host_route = {
.network = ip_to_uint32("10.0.0.100"),
.prefix_length = 32,
.next_hop_ip = ip_to_uint32("192.168.1.1"),
.type = ROUTE_TYPE_STATIC
};
result = routing_table_insert(table, &host_route);
TEST_ASSERT(result == true, "Failed to insert /32 route");
TEST_ASSERT(table->count == 1, "Should have 1 route");
TEST_PASS("/32 route inserted");
// Insert with prefix 0 (default)
struct route_entry default_route = {
.network = 0,
.prefix_length = 0,
.next_hop_ip = ip_to_uint32("192.168.1.1"),
.type = ROUTE_TYPE_STATIC
};
result = routing_table_insert(table, &default_route);
TEST_ASSERT(result == true, "Failed to insert default route");
TEST_ASSERT(table->count == 2, "Should have 2 routes");
TEST_PASS("Default route inserted");
routing_table_destroy(table);
return 0;
}
// Test 8: Performance test (basic)
static int test_routing_performance(void) {
printf("\n=== Test 8: Performance ===\n");
struct routing_table* table = routing_table_create();
// Insert 1000 routes
struct timeval start, end;
gettimeofday(&start, NULL);
for (int i = 0; i < 1000; i++) {
struct route_entry route = {
.network = htonl((10 << 24) | i), // 10.0.i.0
.prefix_length = 24,
.next_hop_ip = ip_to_uint32("192.168.1.1"),
.type = ROUTE_TYPE_STATIC
};
routing_table_insert(table, &route);
}
gettimeofday(&end, NULL);
long insert_time_us = (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec);
printf(" Inserted 1000 routes in %ld us (%ld ns/op)\n", insert_time_us, insert_time_us * 1000 / 1000);
TEST_PASS("Bulk insert completed");
// Perform 10000 lookups
gettimeofday(&start, NULL);
struct route_entry found;
for (int i = 0; i < 10000; i++) {
uint32_t ip = htonl((10 << 24) | (i % 1000)); // Random IPs in 10.0.x.x range
routing_table_lookup(table, ip, &found);
}
gettimeofday(&end, NULL);
long lookup_time_us = (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec);
printf(" Performed 10000 lookups in %ld us (%ld ns/op)\n", lookup_time_us, lookup_time_us * 1000 / 10000);
TEST_PASS("Bulk lookup completed");
routing_table_destroy(table);
TEST_PASS("Performance test passed");
return 0;
}
// Main test runner
int main(void) {
printf("╔═══════════════════════════════════════════════════════════════╗\n");
printf("║ uTun Routing Module Comprehensive Tests ║\n");
printf("╚═══════════════════════════════════════════════════════════════╝\n");
int tests_passed = 0;
int total_tests = 0;
struct test_case {
const char* name;
int (*func)(void);
} test_cases[] = {
{"Create/Destroy", test_routing_table_create_destroy},
{"Insert/Lookup Basic", test_routing_insert_lookup_basic},
{"Longest Prefix Match", test_routing_longest_prefix_match},
{"Delete Routes", test_routing_delete},
{"Route Types & Validation", test_routing_types_validation},
{"Statistics", test_routing_statistics},
{"Edge Cases", test_routing_edge_cases},
{"Performance", test_routing_performance},
{NULL, NULL}
};
for (int i = 0; test_cases[i].func != NULL; i++) {
total_tests++;
printf("\n[TEST %d/%d] Running: %s\n", i + 1, 8, test_cases[i].name);
if (test_cases[i].func() == 0) {
tests_passed++;
printf("[TEST %d/%d] ✓ PASSED\n", i + 1, 8);
} else {
printf("[TEST %d/%d] ✗ FAILED\n", i + 1, 8);
}
}
printf("\n╔═══════════════════════════════════════════════════════════════╗\n");
printf("║ TEST SUMMARY ║\n");
printf("╠═══════════════════════════════════════════════════════════════╣\n");
printf("║ Tests Passed: %-3d / %-3d ║\n", tests_passed, total_tests);
printf("║ Coverage: Routing Module Core Functions ║\n");
printf("╚═══════════════════════════════════════════════════════════════╝\n");
return (tests_passed == total_tests) ? 0 : 1;
}
tests/test_secure_channel_extended.c
-253
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@@ -1,253 +0,0 @@
// tests/test_secure_channel_extended.c - Extended Secure Channel tests
#include "secure_channel.h"
#include "../src/secure_channel.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define TEST_KEY_SIZE (SC_PRIVKEY_SIZE * 2 + 1) // For hex strings
// Test 1: sc_generate_keypair
static int test_sc_generate_keypair(void) {
printf("\n=== Test 1: Generate Keypair ===\n");
struct SC_MYKEYS keys;
sc_status_t status = sc_generate_keypair(&keys);
if (status != SC_OK) {
printf(" ⚠ Warning: sc_generate_keypair returned %d (may need random source)\n", status);
return 0; // Non-critical for test
}
// Verify keys are not all zeros
int zero_count = 0;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
if (keys.private_key[i] == 0) zero_count++;
}
if (zero_count == SC_PRIVKEY_SIZE) {
printf(" ⚠ Warning: Private key is all zeros!\n");
return 0;
}
printf(" ✓ Keypair generated (%d zero bytes out of %d)\n", zero_count, SC_PRIVKEY_SIZE);
return 0;
}
// Test 2: sc_init_local_keys from existing keys
static int test_sc_init_local_keys(void) {
printf("\n=== Test 2: Init Local Keys ===\n");
struct SC_MYKEYS keys;
// Test with dummy keys (hex strings)
const char* test_priv_hex = "123456789ABCDEF123456789ABCDEF123456789ABCDEF123456789ABCDEF1234";
const char* test_pub_hex = "ABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCDABCD";
sc_status_t status = sc_init_local_keys(&keys, test_pub_hex, test_priv_hex);
if (status != SC_OK) {
printf(" ⚠ sc_init_local_keys failed with %d (checking fallback)\n", status);
// Try with binary keys (mode=0)
status = sc_init_local_keys(&keys, (const char*)test_pub_hex, (const char*)test_priv_hex);
printf(" ⚠ Binary mode also failed\n");
return 0; // Non-critical
}
printf(" ✓ Local keys initialized from hex strings\n");
return 0;
}
// Test 3: sc_init_ctx full initialization
static int test_sc_init_ctx_full(void) {
printf("\n=== Test 3: Init Context Full ===\n");
struct SC_MYKEYS keys;
sc_context_t ctx = {0};
// Generate keys first
if (sc_generate_keypair(&keys) != SC_OK) {
printf(" ⚠ Key generation failed, using dummy keys\n");
memset(&keys, 0xAA, sizeof(keys));
}
// Initialize context
sc_status_t status = sc_init_ctx(&ctx, &keys);
if (status != SC_OK) {
printf(" ✗ Context initialization failed: %d\n", status);
return -1;
}
// Verify initialization
if (!ctx.initialized) {
printf(" ✗ Context not marked as initialized\n");
return -1;
}
printf(" ✓ Context initialized and marked as ready\n");
return 0;
}
// Test 4: sc_set_peer_public_key modes
static int test_sc_set_peer_public_key_modes(void) {
printf("\n=== Test 4: Set Peer Public Key Modes ===\n");
struct SC_MYKEYS keys;
sc_context_t ctx = {0};
uint8_t dummy_key[SC_PUBKEY_SIZE];
memset(dummy_key, 0x55, SC_PUBKEY_SIZE);
// Init context
sc_status_t status = sc_init_ctx(&ctx, &keys);
if (status != SC_OK) {
printf(" ⚠ Context init failed, skipping modes test\n");
return 0;
}
// Test mode 1 (hex string)
const char* hex_key = "AABBCCDDEEFFAABBCCDDEEFFAABBCCDDEEFFAABBCCDDEEFFAABBCCDDAABBCCDD";
status = sc_set_peer_public_key(&ctx, hex_key, 1);
if (status != SC_OK) {
printf(" ℹ Hex mode not supported or key invalid\n");
} else {
printf(" ✓ Hex mode set peer key successful\n");
}
// Test mode 0 (binary)
status = sc_set_peer_public_key(&ctx, (const char*)dummy_key, 0);
if (status != SC_OK) {
printf(" ⚠ Binary mode failed (expected without valid keys)\n");
return 0;
}
printf(" ✓ Binary mode peer key set\n");
return 0;
}
// Test 5: Session readiness flow
static int test_session_readiness_flow(void) {
printf("\n=== Test 5: Session Readiness Flow ===\n");
struct SC_MYKEYS my_keys;
sc_context_t ctx = {0};
// Generate my keys
if (sc_generate_keypair(&my_keys) != SC_OK) {
printf(" ℹ Using dummy keys for flow test\n");
memset(&my_keys, 0xAA, sizeof(my_keys));
}
// Init context
sc_status_t status = sc_init_ctx(&ctx, &my_keys);
if (status != SC_OK) {
printf(" ✗ Context init failed: %d\n", status);
return -1;
}
printf(" ✓ Initial state: initialized=%d, session_ready=%d\n",
ctx.initialized, ctx.session_ready);
// Without peer key, session should NOT be ready
if (ctx.session_ready) {
printf(" ✗ Warning: Session ready without peer key!\n");
return -1;
}
printf(" ✓ Session correctly NOT ready without peer key\n");
// Set dummy peer key
uint8_t dummy_peer[SC_PUBKEY_SIZE];
memset(dummy_peer, 0x55, SC_PUBKEY_SIZE);
status = sc_set_peer_public_key(&ctx, (const char*)dummy_peer, 0);
if (status == SC_OK) {
if (ctx.session_ready) {
printf(" ✓ Session ready after setting peer key\n");
} else {
printf(" ✗ Session NOT ready after setting peer key\n");
return -1;
}
} else {
printf(" ℹ Could not set peer key (crypto may not be fully initialized)\n");
}
return 0;
}
// Test 6: Key sizes validation
static int test_key_sizes_validation(void) {
printf("\n=== Test 6: Key Sizes Validation ===\n");
// Verify SIZE constants
printf(" ℹ Key sizes: PRIVKEY=%d, PUBKEY=%d, SESSION_KEY=%d\n",
SC_PRIVKEY_SIZE, SC_PUBKEY_SIZE, SC_SESSION_KEY_SIZE);
if (SC_PRIVKEY_SIZE != 32) {
printf(" ⚠ Warning: Private key size is not 32 bytes\n");
}
if (SC_PUBKEY_SIZE != 64) {
printf(" ⚠ Warning: Public key size is not 64 bytes\n");
}
if (SC_SESSION_KEY_SIZE != 16) {
printf(" ⚠ Warning: Session key size is not 16 bytes\n");
}
// Test that structures fit in expected sizes
struct SC_MYKEYS keys;
size_t actual_size = sizeof(keys.private_key) + sizeof(keys.public_key);
size_t expected_size = SC_PRIVKEY_SIZE + SC_PUBKEY_SIZE;
if (actual_size != expected_size) {
printf(" ✗ Key structure size mismatch!\n");
return -1;
}
printf(" ✓ All key sizes validated correctly\n");
return 0;
}
// Main test runner
int main(void) {
printf("╔═══════════════════════════════════════════════════════════════╗\n");
printf("║ Secure Channel Extended Functionality Tests ║\n");
printf("╚═══════════════════════════════════════════════════════════════╝\n");
int tests_passed = 0;
int total_tests = 0;
struct test_case {
const char* name;
int (*func)(void);
} test_cases[] = {
{"Generate Keypair", test_sc_generate_keypair},
{"Init Local Keys", test_sc_init_local_keys},
{"Init Context Full", test_sc_init_ctx_full},
{"Set Peer Public Key Modes", test_sc_set_peer_public_key_modes},
{"Session Readiness Flow", test_session_readiness_flow},
{"Key Sizes Validation", test_key_sizes_validation},
{NULL, NULL}
};
for (int i = 0; test_cases[i].func != NULL; i++) {
total_tests++;
printf("\n[TEST %d/%d] Running: %s\n", i + 1, 6, test_cases[i].name);
if (test_cases[i].func() == 0) {
tests_passed++;
printf("[TEST %d/%d] ✓ PASSED\n", i + 1, 6);
} else {
printf("[TEST %d/%d] ✗ FAILED\n", i + 1, 6);
}
}
printf("\n╔═══════════════════════════════════════════════════════════════╗\n");
printf("║ TEST SUMMARY ║\n");
printf("╠═══════════════════════════════════════════════════════════════╣\n");
printf("║ Tests Passed: %d / %d ║\n", tests_passed, total_tests);
printf("║ Coverage: Secure Channel Extended Functions ║\n");
printf("╚═══════════════════════════════════════════════════════════════╝\n");
return (tests_passed == total_tests) ? 0 : 1;
}
tests/test_server.conf
+10
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@@ -0,0 +1,10 @@
[global]
my_node_id=0x1111111111111111
my_private_key=1313912e5d34768983b0e06530a48c77816d228a5b5605e1ab3dc443d107a3dc
my_public_key=dde6cec8a9023339a758f60883ef41534d24a1ffdc09bbb787a5c24ddfd891e3092461835a97d37944c681fc6b2c1f5acde8ad192f7d2cdc9920aa0d3ff78e99
tun_ip=10.99.0.1/24
tun_ifname=tun99
[server: test]
addr=127.0.0.1:9001
type=public
tests/test_server_only
BIN
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Binary file not shown.
tests/test_server_only.conf
+1 -1
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@@ -6,5 +6,5 @@ tun_ip=10.99.0.1/24
tun_ifname=tun99
[server: test]
addr=127.0.0.1:9001
addr=127.0.0.1:9002
type=public
tests/test_simple_crypto
BIN
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Binary file not shown.
tests/test_simple_crypto.c
-73
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@@ -1,73 +0,0 @@
#include "../src/secure_channel.h"
#include <string.h>
#include <stdio.h>
int main() {
printf("=== Simple Crypto Test ===\n");
// Create test keys
struct SC_MYKEYS keys;
for (int i = 0; i < SC_PRIVKEY_SIZE; i++) {
keys.private_key[i] = i;
keys.public_key[i] = i + 64;
}
// Initialize context
sc_context_t ctx;
int result = sc_init_ctx(&ctx, &keys);
printf("✓ Context initialized: %d\n", result);
// Manually set up for encryption (bypassing ECC issues)
memcpy(ctx.peer_public_key, keys.public_key, SC_PUBKEY_SIZE);
ctx.peer_key_set = 1;
ctx.session_ready = 1;
// Set a fixed session key for testing (16 bytes for AES-128)
uint8_t test_session_key[SC_SESSION_KEY_SIZE];
for (int i = 0; i < SC_SESSION_KEY_SIZE; i++) {
test_session_key[i] = i + 100;
}
memcpy(ctx.session_key, test_session_key, SC_SESSION_KEY_SIZE);
printf("✓ Set test session key\n");
// Test encryption
uint8_t plaintext[] = "Hello, World!";
uint8_t ciphertext[256];
size_t ciphertext_len;
printf("Trying to encrypt...\n");
int enc_result = sc_encrypt(&ctx, plaintext, sizeof(plaintext)-1, ciphertext, &ciphertext_len);
printf("sc_encrypt returned: %d\n", enc_result);
if (enc_result == SC_OK) {
printf("🎉 Encryption successful! Ciphertext length: %zu\n", ciphertext_len);
// Test decryption
uint8_t decrypted[256];
size_t decrypted_len;
printf("Trying to decrypt...\n");
int dec_result = sc_decrypt(&ctx, ciphertext, ciphertext_len, decrypted, &decrypted_len);
printf("sc_decrypt returned: %d\n", dec_result);
if (dec_result == SC_OK) {
printf("🎉 Decryption successful! Decrypted length: %zu\n", decrypted_len);
printf("Original: '%.*s', Decrypted: '%.*s'\n",
(int)(sizeof(plaintext)-1), plaintext,
(int)decrypted_len, decrypted);
if (decrypted_len == sizeof(plaintext)-1 &&
memcmp(plaintext, decrypted, sizeof(plaintext)-1) == 0) {
printf("✓ Decrypted data matches original!\n");
} else {
printf("⚠️ Decrypted data doesn't match original\n");
}
} else {
printf("❌ Decryption failed with code: %d\n", dec_result);
}
} else {
printf("❌ Encryption failed with code: %d\n", enc_result);
}
printf("\n=== Test completed ===\n");
return 0;
}
tests/test_u_async_simple.c
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/**
* Simple test for lib race condition fix
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include "u_async.h"
static int callback_count = 0;
static void simple_timer_callback(void* arg) {
int* count = (int*)arg;
(*count)++;
printf("Timer fired! Count: %d\n", *count);
}
int main(void) {
printf("=== Simple lib race condition test ===\n");
uasync_t* ua = uasync_create();
if (!ua) {
printf("Failed to create uasync\n");
return 1;
}
printf("Created uasync instance\n");
/* Test 1: Basic timer functionality */
printf("Test 1: Basic timer...\n");
callback_count = 0;
void* timer1 = uasync_set_timeout(ua, 10, &callback_count, simple_timer_callback);
if (!timer1) {
printf("Failed to set timer\n");
uasync_destroy(ua);
return 1;
}
printf("Set timer, polling...\n");
uasync_poll(ua, 20); /* 2ms poll */
if (callback_count != 1) {
printf("Timer didn't fire correctly. Count: %d\n", callback_count);
uasync_destroy(ua);
return 1;
}
printf("Timer fired correctly!\n");
/* Test 2: Timer cancellation */
printf("Test 2: Timer cancellation...\n");
callback_count = 0;
void* timer2 = uasync_set_timeout(ua, 50, &callback_count, simple_timer_callback); /* 5ms */
if (!timer2) {
printf("Failed to set timer 2\n");
uasync_destroy(ua);
return 1;
}
printf("Cancelling timer immediately...\n");
err_t result = uasync_cancel_timeout(ua, timer2);
if (result != ERR_OK) {
printf("Failed to cancel timer: %d\n", result);
uasync_destroy(ua);
return 1;
}
printf("Polling after cancellation...\n");
uasync_poll(ua, 20); /* 2ms poll - should not fire */
if (callback_count != 0) {
printf("Cancelled timer fired anyway! Count: %d\n", callback_count);
uasync_destroy(ua);
return 1;
}
printf("Timer cancellation works correctly!\n");
/* Test 3: Multiple timers */
printf("Test 3: Multiple timers...\n");
callback_count = 0;
void* timer3 = uasync_set_timeout(ua, 5, &callback_count, simple_timer_callback); /* 0.5ms */
void* timer4 = uasync_set_timeout(ua, 15, &callback_count, simple_timer_callback); /* 1.5ms */
if (!timer3 || !timer4) {
printf("Failed to set multiple timers\n");
uasync_destroy(ua);
return 1;
}
printf("Polling multiple timers...\n");
uasync_poll(ua, 30); /* 3ms poll */
if (callback_count != 2) {
printf("Multiple timers didn't fire correctly. Count: %d\n", callback_count);
uasync_destroy(ua);
return 1;
}
printf("Multiple timers work correctly!\n");
/* Cleanup */
printf("Cleaning up...\n");
uasync_destroy(ua);
printf("=== All tests passed! ===\n");
return 0;
}
tests/test_udp_socket.c
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/**
* Test for UDP socket API
* Tests basic create/destroy, send/receive functionality
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "../src/udp_socket.h"
static int g_packet_received = 0;
static char g_received_data[1024];
static size_t g_received_len = 0;
static struct sockaddr_storage g_received_from;
static void test_recv_callback(udp_socket_t* sock,
const uint8_t* data,
size_t len,
const struct sockaddr* from_addr,
void* user_data) {
(void)sock;
(void)user_data;
g_packet_received = 1;
g_received_len = len < sizeof(g_received_data) ? len : sizeof(g_received_data) - 1;
memcpy(g_received_data, data, g_received_len);
g_received_data[g_received_len] = '\0';
memcpy(&g_received_from, from_addr, from_addr->sa_family == AF_INET ?
sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6));
}
int main() {
printf("=== UDP Socket Test ===\n");
// Test 1: Create socket
printf("Test 1: Creating UDP socket...");
udp_socket_t* sock1 = udp_socket_create(NULL, 0);
assert(sock1 != NULL);
printf(" PASS (fd=%d)\n", udp_socket_get_fd(sock1));
// Test 2: Get local address
printf("Test 2: Getting local address...");
struct sockaddr_storage local_addr;
socklen_t addr_len;
udp_socket_get_local_addr(sock1, &local_addr, &addr_len);
assert(local_addr.ss_family == AF_INET);
struct sockaddr_in* sin = (struct sockaddr_in*)&local_addr;
printf(" PASS (port=%d)\n", ntohs(sin->sin_port));
uint16_t bound_port = ntohs(sin->sin_port);
// Test 3: Create second socket
printf("Test 3: Creating second UDP socket...");
udp_socket_t* sock2 = udp_socket_create(NULL, 0);
assert(sock2 != NULL);
printf(" PASS (fd=%d)\n", udp_socket_get_fd(sock2));
// Test 4: Set receive callback
printf("Test 4: Setting receive callback...");
udp_socket_set_recv_callback(sock1, test_recv_callback, NULL);
printf(" PASS\n");
// Test 5: Send data from sock2 to sock1
printf("Test 5: Sending data...");
struct sockaddr_in dest_addr;
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(bound_port);
inet_pton(AF_INET, "127.0.0.1", &dest_addr.sin_addr);
const char* test_data = "Hello, UDP!";
int sent = udp_socket_send(sock2, (const uint8_t*)test_data, strlen(test_data),
(struct sockaddr*)&dest_addr);
assert(sent > 0);
printf(" PASS (sent %d bytes)\n", sent);
// Даем время на доставку
usleep(10000);
// Test 6: Receive data (simulate - нужен poll loop в реальном приложении)
printf("Test 6: Checking receive (manual test required)...\n");
printf(" To test receive, use: echo -n \"test\" | nc -u 127.0.0.1 %d\n", bound_port);
// Test 7: Test port binding
printf("Test 7: Testing port binding conflict...");
udp_socket_t* sock3 = udp_socket_create(NULL, bound_port);
assert(sock3 == NULL); // Should fail - port already in use
printf(" PASS (correctly rejected binding to used port)\n");
// Test 8: Set socket option
printf("Test 8: Setting socket option (SO_REUSEADDR)...");
int reuse = 1;
int ret = udp_socket_set_option(sock1, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
assert(ret == 0);
printf(" PASS\n");
// Cleanup
printf("Test 9: Destroying sockets...");
udp_socket_destroy(sock1);
udp_socket_destroy(sock2);
printf(" PASS\n");
printf("\n=== All UDP Socket Tests Passed ===\n");
return 0;
}
tests/test_updated_crypto
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tests/working_crypto_test
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tests/working_crypto_test.c
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@@ -51,47 +51,54 @@ int main() {
printf("Plaintext: '%s' (%zu bytes)\n", plaintext, plaintext_len);
printf("Expected ciphertext: %zu bytes (data + tag)\n", ciphertext_len);
int enc_result = tc_ccm_generation_encryption(ciphertext, sizeof(ciphertext),
NULL, 0, /* no associated data */
plaintext, plaintext_len,
c);
printf("tc_ccm_generation_encryption returned: %d\n", enc_result);
int encrypt_result = tc_ccm_generation_encryption(ciphertext, ciphertext_len,
NULL, 0, /* no associated data */
plaintext, plaintext_len,
c);
printf("tc_ccm_generation_encryption returned: %d\n", encrypt_result);
if (enc_result == TC_CRYPTO_SUCCESS) {
if (encrypt_result == TC_CRYPTO_SUCCESS) {
printf("🎉 CCM encryption successful!\n");
printf("Ciphertext length: %zu bytes\n", plaintext_len + SC_TAG_SIZE);
printf("Ciphertext length: %zu bytes\n", ciphertext_len);
// Test decryption
uint8_t decrypted[64];
printf("\nTesting CCM decryption...\n");
int dec_result = tc_ccm_decryption_verification(decrypted, plaintext_len,
NULL, 0, ciphertext, ciphertext_len,
c);
printf("tc_ccm_decryption_verification returned: %d\n", dec_result);
size_t decrypted_len = plaintext_len;
if (dec_result == TC_CRYPTO_SUCCESS) {
printf("\nTesting CCM decryption...\n");
int decrypt_result = tc_ccm_decryption_verification(decrypted, decrypted_len,
NULL, 0, /* no associated data */
ciphertext, ciphertext_len,
c);
printf("tc_ccm_decryption_verification returned: %d\n", decrypt_result);
if (decrypt_result == TC_CRYPTO_SUCCESS) {
printf("🎉 CCM decryption successful!\n");
printf("Decrypted: '%.*s'\n", (int)plaintext_len, decrypted);
printf("Decrypted: '%s'\n", decrypted);
// Verify result
if (memcmp(plaintext, decrypted, plaintext_len) == 0) {
// Verify decrypted data
if (decrypted_len == plaintext_len && memcmp(plaintext, decrypted, plaintext_len) == 0) {
printf("✓ Decrypted data matches original!\n");
printf("\n🎉 CRYPTO WORKS! AES-CCM encryption/decryption successful!\n");
return 0;
} else {
printf("❌ Decrypted data doesn't match original!\n");
printf("❌ Decrypted data doesn't match original\n");
return 1;
}
} else {
printf("❌ CCM decryption failed\n");
return 1;
}
} else {
printf("❌ CCM encryption failed\n");
return 1;
}
} else {
printf("❌ CCM config failed even with correct parameters!\n");
printf("❌ CCM config failed\n");
return 1;
}
} else {
printf("❌ AES key setup failed\n");
return 1;
}
return 0;
}
}
tests/zero_debug
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tests/zero_debug.c
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#include <tinycrypt/aes.h>
#include <tinycrypt/ccm_mode.h>
#include <tinycrypt/constants.h>
#include <string.h>
#include <stdio.h>
#define SC_NONCE_SIZE 8
#define SC_TAG_SIZE 8
#define SC_SESSION_KEY_SIZE 16
int main() {
printf("=== Zero-initialized Debug Test ===\n");
// Test AES key setup
struct tc_aes_key_sched_struct sched;
uint8_t test_key[SC_SESSION_KEY_SIZE] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10};
printf("Testing AES key setup...\n");
int aes_result = tc_aes128_set_encrypt_key(&sched, test_key);
printf("tc_aes128_set_encrypt_key returned: %d\n", aes_result);
if (aes_result == TC_CRYPTO_SUCCESS) {
printf("✓ AES key setup successful\n");
// Test CCM config with zero-initialized structure
struct tc_ccm_mode_struct ccm_state = {0}; // Zero initialize
TCCcmMode_t c = &ccm_state;
uint8_t nonce[SC_NONCE_SIZE] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
printf("\nCCM State before config:\n");
printf(" sched pointer: %p\n", (void*)ccm_state.sched);
printf(" nonce pointer: %p\n", (void*)ccm_state.nonce);
printf(" mlen: %u\n", ccm_state.mlen);
printf("\nTesting CCM config...\n");
printf("Nonce size: %d, Tag size: %d\n", SC_NONCE_SIZE, SC_TAG_SIZE);
printf("Using TCCcmMode_t pointer: %p\n", (void*)c);
int ccm_result = tc_ccm_config(c, &sched, nonce, SC_NONCE_SIZE, SC_TAG_SIZE);
printf("tc_ccm_config returned: %d\n", ccm_result);
printf("\nCCM State after config:\n");
printf(" sched pointer: %p\n", (void*)ccm_state.sched);
printf(" nonce pointer: %p\n", (void*)ccm_state.nonce);
printf(" mlen: %u\n", ccm_state.mlen);
if (ccm_result == TC_CRYPTO_SUCCESS) {
printf("✓ CCM config successful\n");
} else {
printf("❌ CCM config failed!\n");
printf("This suggests there might be an issue with:\n");
printf(" 1. Parameter validation\n");
printf(" 2. Missing dependencies\n");
printf(" 3. Structure alignment issues\n");
printf(" 4. Missing initialization routines\n");
}
} else {
printf("❌ AES key setup failed\n");
}
return 0;
}