- Добавлен device_type (1 байт, CLIENT_TYPE_*) в INIT_REQUEST и INIT_RESPONSE
- Добавлен keepalive_interval (2 байта) в INIT_RESPONSE
- STCP handshake расширен с 43 до 46 байт (device_type+keepalive)
- negotiate_keepalive(): оба desktop/server → min, иначе (есть mobile) → max
- keepalive_interval вынесен в UTUN_INSTANCE для использования в handshake
- stcp_client_connect() принимает device_type и keepalive_interval
- peer_device_type/peer_keepalive_interval передаются через stcp_link в ETCP_LINK
- _recompute_bucket: skip INSERT OR REPLACE when hash unchanged,
also skip DELETE when row doesn't exist (was always writing)
- bg_check interval: 100ms → 5000ms (was writing 10x/sec × 4KB/page
into WAL = ~1.4GB over hours)
- bg_timer: round-robin across channels instead of only first
- bg_timer: periodic WAL checkpoint (every ~60s) to prevent
unbounded WAL growth from any source
- test: sync ms_session struct copy with real definition
- stcp_link: handle race where conn already CLOSED before close
- stcp_client: remove double-free c->free_on_close = cli
- etcp_connections: stcp_link_close on TCP link down
- u_async: round sub-ms timeouts to 1ms to avoid busy-loop
auto_socket.c: create_iface_tcp_socket returns stcp_server* instead of int,
ifa->v4_tcp/ifa->v6_tcp now properly track the created server, preventing
duplicate bind/listen on every reconcile_iface call.
etcp_connections.c: tcp_socket_add now resolves interface_addr via
get_interface_ip_by_index/get_interface_ipv6_addr_nl for any type (not just
PUBLIC), preventing NAT TCP v4 sockets from being destroyed due to INADDR_ANY.
1a: tcp_server_on_link — close existing TCP links before creating new ETCP_LINK
1b: etcp_tcp_send — skip send if stcp_link not ready
3a+3b+3c: stcp_conn_set_on_close → stcp_link_on_stcp_close → marks link DOWN → triggers reconnect
- u_async.c: process immediate_queue BEFORE epoll_wait in uasync_poll
- stcp_link.c: defensive NULL etcp_conn/etcp_link in stcp_link_close
- utun_instance.c: move stcp_server_list_destroy_all to Phase J (before ETCP),
add deferred drain in both Phase J and L
- stcp.h/c: STCP_HS_ENC_CLIENT 6→38, STCP_HS_ENC_SERVER 7→39,
exchange ed25519_pubkey in both handshake directions
- etcp_connections.c: copy peer_ed25519 from STCP to ETCP_CONN in
etcp_link_enter_ready_tcp; guard link->etcp in tcp_link_close_cb
- chat_sync.c: fix lk->conn NULL dereference for TCP links
- test_stcp.c: update stcp_server_create/stcp_client_connect callsites
- tools/chat_tcp_test: change transport udp→tcp
tcp_server_on_link sets conn->peer_node_id after etcp_connection_create
which adds the entry with peer_node_id=0. instance_find_conn couldnt
find TCP connections until the queue entry was re-indexed.
- etcp_connections.h: add WIRE_OVERHEAD, IP_UDP_OVERHEAD_V4/V6, SC_ENCRYPT_OVERHEAD
(properly accounts for v6 IP(40)+UDP(8)+SC(3)+CCM tag(16) = 67 vs old UDP_HDR_SIZE=28)
- etcp_connections.c etcp_encrypt_send: use WIRE_OVERHEAD instead of UDP_HDR_SIZE
- etcp_connections.c send_init_response: clamp padding to max_data = mtu - WIRE_OVERHEAD
- chat_core_priv.h: add addr_type_from_ip() classifier
- chat_profile.c, chat_sync.c, member_sync.c: use classified addr_type instead of hardcoded 0
- chat_sync.c: skip zero nat_addr in JOIN, fall back to interface_addr
- topo_node_sqlite.c, member_sync.c: remove addr_type=0 filter from SELECT/DELETE
- chat_profile.c, member_sync.c: DELETE all addresses (not just addr_type=0)
- auto_socket.c/h: создание/удаление UDP сокетов автоматически при изменении интерфейсов через netlink/route socket
При auto_sockets=yes пропускает ручные [server] сокеты
Тип сокета: PUBLIC если публичный IP, иначе NAT
Для новых сокетов добавляются линки ко всем активным NCD-соединениям
При удалении интерфейса линки убираются, сокет закрывается
Platform-agnostic API для использования из Android/chatgui
- node_conn_direct.h/c: ncd_add_socket_links / ncd_remove_socket_links — управление линками на конкретном сокете
- socket_monitor.h/c: экспорт socket_monitor_update_if_addr для auto_socket
- config_parser.h/c: опция auto_sockets в [global]
- init_sockets(): пропуск ручных сокетов при auto_sockets=yes
- utun_instance: интеграция auto_socket_init/destroy
- media_delivery: fix stack-buffer-overflow ack[3] → ack[9]
- topo_node: fix heap-use-after-free в topo_group_update_my_nodeinfo — сохранение node_id/ver перед registry_store, использование return value
- etcp.c:466: %d→%s for log_name (was printing garbage like -2012603448)
- etcp_connections.c:2235: Server type %d→%s with server_type_str()
- etcp_connections.c:845,1578,1587: type=%d/nat_type=%d→%s with helpers
1. etcp_on_down: add down_link param — log the specific lost link + remaining
Connection DOWN — link 192.168.40.247:2122 lost, remaining: [::1]:6669, [::2]:9970
Connection DOWN — closing, links: ... (for reinit/close)
2. etcp_on_link_down: pass the triggering link through to etcp_on_down
3. etcp_update_log_name: always check registry for node_name
(n_5a1b... → SM-A525F when name is available in registry)
Add helper functions server_type_str() and nat_type_str() to convert
CFG_SERVER_TYPE_* and NAT_TYPE_* codes to readable names.
Now: Add Socket type=PUBLIC instead of type=1
self-detect check: type=PUBLIC nat=UNKNOWN instead of type=1 nat_type=0
- etcp_on_up: list up-link addresses after connection summary
- etcp_on_down: show all link addresses that were lost
- Link UP (server/client): add addr=X
- Connection established: add addr=X
- Link closed: add addr=X before traffic stats
- Link down (keepalive timeout): add addr=X
Now: [conn] Link 1 UP (server, mtu=1600, addr=192.168.40.247:2122)
- member_sync apply_items: empty payload is normal sync completion, not error
- topo_node_sqlite node_load: no addresses is normal for stub/seed nodes
- conn_mgr_core: node skipped when not in routing (normal for nodes w/o addrs)
- topo_group send_nodeinfo: downgrade ERROR→WARN in DEBUG category
- db_sync INIT_RESP: protocol details belong in DEBUG, not INFO
- stcp_server_create: support AF_INET and AF_INET6 V6ONLY=1 (no dual-stack)
- Add listen_family to stcp_link_config
- init_sockets: return error (not partial) on any bind failure
- add chat_core_sync_my_addresses() call at chatgui startup
- collect_my_addrs: add proto byte (1=UDP, 2=TCP) to binary format
- chat_sync.c JOIN/WELCOME/PEER_UPSERT: read proto byte, write protocol column
- member_sync.c: read proto byte, dynamic protocol bind
- topo_node.c: debug logs for nodeinfo changed detection
- node_config.cpp: type=public for all servers
- Replace instance->stcp_server (single pointer) with stcp_servers linked list
- Add stcp_server_list_add/destroy_all/count API in stcp_link.h/c
- Fix port extraction for both AF_INET and AF_INET6 in init_sockets
- Filter out 0.0.0.0 and [::] addresses in chat_profile.c TCP address sync
- Add type=public to servers in node_config.cpp saveFull()
- CONN_MGR entries: replace dynamic array with ll_queue (hash=256, key_size=8)
cm_find_entry now O(1) via queue_find_data_by_index
cm_ensure_entry uses queue_entry_new + queue_data_put_with_index
cm_entry_cleanup removes from queue and frees entry
- TOPO_GROUP_NODE: replace handles** array with single CONN_MGR_HANDLE*
remove topo_node_handle_register/unregister/count — dead indirection
nq->handle = h / nq->handle = NULL in all call sites
- TOPO_GROUP_NODE: remove dead fields dirty, best_socket, tranzit_data/count
dirty replaced with local variable in nat_detection.c
tranzit_data removed from wire format (TOPOMSG_NODE), serialize, deserialize
update struct layout: one field per line with comments
getifaddrs() ifa_flags contains interface flags (IFF_UP etc.), NOT address
flags (IFA_F_TEMPORARY). Since IFA_F_TEMPORARY == IFA_F_SECONDARY == 0x01,
and 0x01 in interface flags is IFF_UP, ALL addresses appeared as 'temporary',
making the permanent>temporary priority non-functional.
New netlink-based get_interface_ipv6_addr_nl() reads real IFA_FLAGS from
RTM_GETADDR response, correctly identifying:
- Temporary: IFA_F_TEMPORARY=1, IFA_F_MANAGETEMPADDR=0
- Stable/mngtmp: IFA_F_TEMPORARY=1, IFA_F_MANAGETEMPADDR=1
- Legacy static: IFA_F_TEMPORARY=0
Verified: wlo1 permanent (3a7a:eff:fef5:9637) now correctly selected
for prefer_stable=1, temporary (1fb5:b7c:7538:dcf4) for prefer_stable=0.
- CM_V6_ANY for :: socket (matches all v6 addr classes)
- sin6_scope_id from s->netif_index (not from local_addr where :: has scope=0)
- getnameinfo in stcp_link_connect to preserve scope_id in addr string
- scope_id in cm_invite_tcp_connect, ncd_create_links, connect_create_links_v6, cm_bg_ping_to_node
- ncd_down_cb: defer callback removal+close via uasync_call_soon to avoid
UAF in etcp_cbk_fire iteration (removing ncd_up_cb corrupts saved next ptr)
- ncd_recv_control_handler: use deferred close for CLOSE handlers instead of
direct etcp_connection_close to avoid nested etcp_cbk_fire UAF
- node_conn_direct_open/open_node: use ni->node_name if available for
conn name, fallback to 'n_<node_id>' instead of NULL
- init_connections: build ni_tmp in link loop with only current link's addr,
preventing NCD from creating links for ALL addrs on first socket
- utun_instance_reload: same per-link ni_tmp fix
- init_connections/reload: set ni_tmp.node_name = client->name for
test find_client_link by name
- chat_sync.c: move pending_invite clear from INFO_RESP to WELCOME,
post GUI_EVT_CONNECT_RESULT on invite success in cs_handle_welcome
- etcp_connections.c: NORM_DECRYPT_TRY/CRYPTO_DECRYPT_OK DEBUG_DEBUG->TRACE
- secure_channel.c: ENCRYPT/DECRYPT DEBUG_DEBUG->TRACE
evgeny
Evgeny