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cmake_minimum_required(VERSION 3.16)
set(LIB_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../../lib)
set(SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../../src)
set(TRANSPORT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../transport)
# ============================================================================
# libuasync — low-level runtime library
# ============================================================================
set(UASYNC_SOURCES
${LIB_DIR}/ll_queue.c
${LIB_DIR}/u_async.c
${LIB_DIR}/debug_config.c
${LIB_DIR}/timeout_heap.c
${LIB_DIR}/memory_pool.c
${LIB_DIR}/sha256.c
${LIB_DIR}/socket_compat.c
${LIB_DIR}/platform_compat.c
${LIB_DIR}/getmyip.c
${LIB_DIR}/swm_min.c
${LIB_DIR}/mem.c
${LIB_DIR}/radix.c
${LIB_DIR}/serialize.c
${LIB_DIR}/json_flat.c
${LIB_DIR}/tcp_io.c
${LIB_DIR}/sqlite3.c
${LIB_DIR}/liblmdb/mdb.c
${LIB_DIR}/liblmdb/midl.c
)
add_library(uasync STATIC ${UASYNC_SOURCES})
target_include_directories(uasync PUBLIC
${LIB_DIR}
${SRC_DIR}
${LIB_DIR}/liblmdb
)
target_compile_definitions(uasync PRIVATE
_ISOC99_SOURCE
DEBUG_OUTPUT_STDERR
)
set_target_properties(uasync PROPERTIES
C_STANDARD 99
C_STANDARD_REQUIRED ON
)
# ============================================================================
# libutun — VPN core library (all src/ except utun.c)
# ============================================================================
# Common sources (all platforms)
set(UTUN_COMMON_SOURCES
${SRC_DIR}/utun_instance.c
${SRC_DIR}/config_parser.c
${SRC_DIR}/config_updater.c
${SRC_DIR}/routing_layer/route_lib.c
${SRC_DIR}/routing_layer/route6_lib.c
${SRC_DIR}/routing_layer/topo_group.c
${SRC_DIR}/routing_layer/route_ping.c
${SRC_DIR}/routing_layer/nat_detection.c
${SRC_DIR}/routing_layer/topo_node.c
${SRC_DIR}/routing_layer/topo_node_sqlite.c
${SRC_DIR}/routing_layer/route_connectivity.c
${SRC_DIR}/db_sync.c
${SRC_DIR}/routing_layer/conn_mgr.c
${SRC_DIR}/routing_layer/topo_recovery.c
${TRANSPORT_DIR}/chat_sync.c
${TRANSPORT_DIR}/merkle_sync.c
${TRANSPORT_DIR}/member_sync.c
${SRC_DIR}/routing_layer/routing.c
${SRC_DIR}/tun_if.c
${SRC_DIR}/tun_route.c
${SRC_DIR}/transport_layer/etcp.c
${SRC_DIR}/transport_layer/etcp_connections.c
${SRC_DIR}/transport_layer/etcp_bbr.c
${SRC_DIR}/transport_layer/etcp_loadbalancer.c
${SRC_DIR}/transport_layer/etcp_debug.c
${SRC_DIR}/transport_layer/etcp_dump.c
${SRC_DIR}/transport_layer/secure_channel.c
${SRC_DIR}/transport_layer/crc32.c
${SRC_DIR}/transport_layer/stcp_link.c
${SRC_DIR}/transport_layer/stcp.c
${SRC_DIR}/transport_layer/stcp_server.c
${SRC_DIR}/transport_layer/stcp_client.c
${SRC_DIR}/transport_layer/pkt_normalizer.c
${SRC_DIR}/transport_layer/packet_dump.c
${SRC_DIR}/transport_layer/etcp_api.c
${SRC_DIR}/transport_layer/etcp_connect.c
${SRC_DIR}/control_server.c
${SRC_DIR}/firewall.c
${SRC_DIR}/eim_nat.c
${SRC_DIR}/nat_transport.c
${SRC_DIR}/transport_layer/dummynet.c
${SRC_DIR}/ntp_time.c
${SRC_DIR}/ntp_node_time.c
${SRC_DIR}/routing_layer/etcp_router.c
${SRC_DIR}/proxy/tcp_proxy_client.c
${SRC_DIR}/proxy/tcp_proxy_server.c
${SRC_DIR}/proxy/udp_proxy.c
${SRC_DIR}/proxy/socks_proxy.c
${SRC_DIR}/proxy/icmp_proxy.c
${SRC_DIR}/lwip_tcp/lwip_pbuf.c
${SRC_DIR}/lwip_tcp/lwip_tcp.c
${SRC_DIR}/lwip_tcp/lwip_tcp_in.c
${SRC_DIR}/lwip_tcp/lwip_tcp_out.c
)
# Platform-specific TUN implementation
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(UTUN_TUN_SOURCES ${SRC_DIR}/tun_linux.c)
elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(UTUN_TUN_SOURCES ${SRC_DIR}/tun_freebsd.c)
elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
set(UTUN_TUN_SOURCES ${SRC_DIR}/tun_windows.c)
else()
set(UTUN_TUN_SOURCES ${SRC_DIR}/tun_linux.c)
endif()
add_library(utun STATIC ${UTUN_COMMON_SOURCES} ${UTUN_TUN_SOURCES})
target_include_directories(utun PUBLIC
${SRC_DIR}
${SRC_DIR}/transport_layer
${SRC_DIR}/routing_layer
${LIB_DIR}
${TRANSPORT_DIR}
${SRC_DIR}/uip
${CMAKE_SOURCE_DIR}/db
)
target_compile_definitions(utun PRIVATE
USE_OPENSSL
USE_SQLITE
)
set_target_properties(utun PROPERTIES
C_STANDARD 99
C_STANDARD_REQUIRED ON
)
target_link_libraries(utun PUBLIC
uasync
OpenSSL::Crypto
${CMAKE_THREAD_LIBS_INIT}
)
# Platform-specific link flags
if(WIN32)
target_link_libraries(utun PUBLIC ws2_32 iphlpapi advapi32 bcrypt dbghelp)
endif()