utun2

Commit Graph

Author	SHA1	Message	Date
Evgeny	01cf7f67b6	fix TCP close: properly close lwIP pcb on both sides, fix use-after-free, add poll close path	5 months ago
Evgeny	c396b91fde	fix missing IP checksum in icmp/udp deliver_reply, fix udp output_queue->input_queue	5 months ago
Evgeny	889f6d5c3a	fix icmp_proxy: write reply to input_queue (not output_queue) to reach TUN device	5 months ago
Evgeny	13d469d866	add orig_src_ip to ICMP proxy protocol, fix deliver_reply dst_ip (was wrong tun_ip_addr)	5 months ago
Evgeny	67d57c9751	add etcp_router INFO logs for ICMP_PROXY reply path (send+deliver)	5 months ago
Evgeny	02c7153822	add icmp_proxy diagnostic logging on all reply path stages	5 months ago
Evgeny	07540b7ff8	fix icmp: use SOCK_RAW for FreeBSD compat, add socket diagnostic logging	5 months ago
Evgeny	d00996243d	fix lwip_tcp_priv.h: use #ifndef _WIN32 for arpa/inet.h (FreeBSD compat)	5 months ago
Evgeny	edeb83ce89	replace fake ICMP echo reply with test_loopback flag, honest error when no raw socket	5 months ago
Evgeny	d3b6057f82	add framed read for raw fd (2-byte len prefix), TCP_NODELAY, fix test half-close ordering	5 months ago
Evgeny	d0af315ff6	fix uasync set_timeout(0) ordering, dummynet shaper initial delay, add tests - uasync_set_timeout(0): use FIFO immediate_queue instead of timeout_heap to guarantee execution AFTER all currently-expired heap timers - uasync_cancel_timeout: search immediate_queue for timeout=0 timers - dummynet: start initial shaper with bandwidth-based delay instead of 0 (prevents queue from never filling up when packets arrive sequentially) - test_dummynet: rename get_time_us -> now_us (conflict with u_async.h) - test_u_async_comprehensive: fix immediate_timeouts, add timeout_ordering test	5 months ago
Evgeny	ad8bc0ae00	fix lwip_tcp port byte order (double-htons), mapping lookup, socket error handling - Fix port encoding: PCB stores ports in host byte order, tcp_create_segment uses htons - Fix tcp_bind/tcp_connect: ntohs incoming network-order ports - Fix demux comparisons: use host-order sport/dport statics instead of in-place ntohs - Fix tcp_output_alloc_header_common: htons for port output - Add static sport/dport variables (host byte order) to avoid tcphdr corruption - Fix sock_transport_error_callback: handle EPOLLERR during non-blocking connect - Fix mapping local_port: store host-order port for find_mapping_by_port - Fix tcp_proxy_raw_read/tun_input: use IP total length for packet boundaries - test_tcp_proxy: reduce size to 2KB, fix port, add debug_init, add echo server log - test_tcp_proxy handshake and basic data flow now working (known: cwnd/poll throughput tuning needed)	5 months ago
Evgeny	c05e1c9991	replace uIP with adapted lwIP TCP stack (lwip_tcp) - Replace uIP (src/uip/) with adapted lwIP 2.1.x TCP module - Remove original src/lwip/ (replaced by src/lwip_tcp/) - New src/lwip_tcp/ module: lwip_pbuf, lwip_tcp core/in/out - Full TCP state machine, sliding window, congestion control - Fast retransmit/recovery, Van Jacobson RTT estimation - Nagle algorithm (TF_NODELAY), delayed ACK - OOSEQ reassembly, TIME-WAIT handling - Memory: memory_pool for PCB, listen PCB, tcp_seg - Timers: uasync periodic timer drives fast/slow timers - Output: callback-based IP packet output (TUN/raw-fd) - Error codes: LERR_ prefix to avoid conflicts - pbuf: simplified PBUF_RAM with proper header space reservation - Integrate into tcp_proxy.c/h with per-pcb callbacks - Active connection API: struct proxy_conn* instead of int conn_idx - Makefile: remove uip, add lwip_tcp files - test_tcp_proxy updated for new API; test_tcp_proxy_remote disabled - Known: test_tcp_proxy data transfer needs flow tuning (WIP)	5 months ago
Evgeny	a6311a17d0	add UDP/ICMP proxy, refactor tcp_proxy via_node to instance-level - UDP proxy: datagram relay client↔exit over ETCP - ICMP proxy: echo ping relay client↔exit over ETCP - Move via_node_id from per-forward-mapping to global tcp_proxy setting - Support multiple concurrent tcp_proxy instances (no singleton g_tcp_proxy) - Cap handshake padding to stay within 1472+overhead - Handle non-TCP packets (UDP/ICMP) in tcp_proxy raw/tun input paths - Add utun_instance_create_from_str() for test config creation	5 months ago
Evgeny	9b59415f83	add tcp_proxy and remote_proxy sections to sample config	5 months ago
Evgeny	17e95cc2a3	fix remaining pointer-sign warnings in sc_set_peer_public_key callers	5 months ago
Evgeny	68f4ae12c8	fix all compiler warnings: array-bool, pointer-sign, tautological, unsequenced	5 months ago
Evgeny	a0e5446790	migrate NAT and DATA to etcp_router, fix warnings and destroy order	5 months ago
Evgeny	2611a05d81	revert unnecessary return -1 in void-test ASSERT macros; only test_bgp_route_exchange uses ASSERT in int main()	5 months ago
Evgeny	fcb6a59ca9	fix ASSERT macros: return -1 instead of bare return in int main() (FreeBSD -Wreturn-mismatch)	5 months ago
Evgeny	075d97a459	fix .gitignore: stop ignoring test_*.c source files; add missing test_ipv6_sockets, test_tcp_proxy, test_radix, test_route6_lib sources	5 months ago
Evgeny	c24a6367cc	add IPv6 default route interface auto-detection for permanent/temporary IPv6 without netif - get_default_route_netif_index(): UDP connect trick + getifaddrs to find default route iface - etcp_socket_add(): auto-detect netif_index when not specified in config - queue_new() API: explicit index_offset/index_size params instead of implicit from hash_size - radix: cleanup types (uint8_t*), replace bzero/bcmp with memset/memcmp, remove kernel ifdefs - route6_lib: new IPv6 routing library + get_node_v6_routes()	5 months ago
Charlie Root	e1f051856f	radix	5 months ago
Evgeny	2565e8d008	add uIP TCP/IP stack (minimal — only files needed for tcp_proxy build)	5 months ago
Evgeny	9869cf66f1	add etcp_router service routing layer + remote TCP proxy (uip+socket via router) etcp_router: routable service packets with dst/src node_id - etcp_router_bind/unbind: per-instance service handler registry - etcp_route_send: send to node by id via BGP routing - multi-hop forwarding through intermediate nodes - loopback optimization (dst==self dispatches directly) remote_proxy: exit node creating OS sockets on demand - handles CONNECT/DATA/CLOSE via etcp_router - non-blocking socket connect with uasync callbacks - echo back response data to requesting node tcp_proxy: etcp_transport for remote proxy - via_node_id in mapping selects between sock/etcp transport - unified handler for both tcp_proxy and remote_proxy roles - config: forward = port -> ip:port via NODE_HEX [remote_proxy] section tests: test_etcp_router (20 pkts bidirectional), test_remote_proxy (echo)	5 months ago
Evgeny	5e834b519f	mass_update: log all sessions to files, terminal output only for errors	5 months ago
Evgeny	171e70a810	add inflight data return to normalizer on reinit + configurable inflight min/max limits + test	5 months ago
Evgeny	dea3a39598	fix: reconnect test — cancel timers in conn_reset, add init_timer cancel on link_state=3, add reinit resilience to test - etcp_conn_reset: cancel retrans_timer/ack_resp_timer via uasync_cancel_timeout before nulling (was leaking timer handles, confirmed by 'Timer leak: diff') - etcp_connections: cancel link->init_timer explicitly when link_state becomes 3 on both client and server INIT_RESPONSE paths (prevents spurious INIT after connection is established that could trigger cascading reinits) - etcp_connections: remove duplicate conn->session_id assignment in new conn path (session_id is set later via conn_reinit flow) - pkt_normalizer: resume output queue callback after pn_reset - Add test_etcp_reconnect with reinit detection — monitors conn->reinit_count and restarts data transfer if reinit occurs during active phase - Add etcp_dump.c/h — ETCP connection state dump utility for debugging	5 months ago
Evgeny	0f8df44b2b	build: out-of-tree VPATH build, tests run once with colored timing - Root Makefile: hand-written bootstrap delegating to build/ - Makefile.am: simplified to SUBDIRS + clean-local - build.sh: delegates to make, autoreconf only - tests: removed duplicate TESTS run, added colored [PASS]/[FAIL]/[SKIP] with timing - .gitignore: added /build/ for out-of-tree artifacts Result: 0 .o files in source dirs, 29/29 tests pass	5 months ago
Evgeny	d0d4199273	etcp: unified send hook via etcp_udp_send, remove loss_rate, add dummynet_filter inline mode, rewrite BGP test - Add etcp_udp_send_fn_t hook typedef, send_hook/send_hook_ctx fields to ETCP_LINK - Implement etcp_udp_send() wrapper — all UDP sends go through one point - Remove loss_rate from ETCP_SOCKET, CFG_SERVER, config parser, send path - Add dummynet_filter: inline send-hook with loss/delay, no proxy socket needed - Rewrite test_bgp_route_exchange: 3-node chain A(2 links)↔B↔C, 7 phases with dummynet_filter-based link failure/recovery simulation - Clean up tests: remove skeleton test_routing_mesh, 6 debug/stale test files - Refactor test_etcp_simple_traffic and test_pkt_normalizer_etcp (remove debug spam) - Fix test_etcp_two_instances: remove private field access, fix false PASS on timeout	5 months ago
Evgeny	e7c32d9ac1	1	5 months ago
Evgeny	7d03749522	1	5 months ago
Evgeny	61fee27478	congestion: burst-based BW measurement + adaptive inflight (slow start/cong avoidance/loss response) New features: - get_time_us() in lib/u_async.c/h for µs-precision timing - Burst measurement (ETCP_SECTION_MEAS_TS 0x07, MEAS_RESP 0x08, FILLER 0x09) - 12 MTU packets sent at line rate, receiver measures inter-packet gaps - Burst triggered when link saturated + min 500ms interval - Result: measured BW -> bandwidth for shaper, burst_target_bdp for window cap - 3-phase adaptive inflight in link_stats_timer_cb: - Slow start: windows doubles each RTT, exits on loss/RTT spike/threshold - Congestion avoidance: additive increase, proportional RTT shrink, multiplicative loss shrink - Burst target cap: inflight_lim <= burst_target_bdp * 1.1 - Dynamic optimal_inflight = sum(link->inflight_lim_bytes), recalculated on change - Adaptive win_timebase = rtt/2 (was hardcoded 10ms) Fixes: - dummynet.c: shaper formula fixed (80000 -> 80) - dummynet.c: queue_data_put call fixed (3 args -> 2) - etcp.c: SIZE ERROR format string (missing log_name argument) - etcp_request_pkt: FILLER leaves room for PAYLOAD overhead Tests: - test_etcp_congestion.c: single-threaded, 5-phase BW/delay/loss test - sender + receiver + dummynet in one uasync - CSV metrics output every 100ms - All 29 existing tests pass	5 months ago
Evgeny	edfe665837	log: move individual ping logs from INFO/TRACE to DEBUG level	5 months ago
Evgeny	6c057ca89a	fix BGP: delay up_cbk until connection initialized, fix send_table_request leak	5 months ago
Evgeny	a356eedc0d	cleanup BGP/connection logging - Consolidate on_up/on_down to single INFO line with peer_id - Remove DEBUG_CATEGORY_DEBUG duplications from route_bgp.c - NODEINFO: inline lightweight dump (no malloc), verbose log -> DEBUG - NAT_INFO: remove hex dump duplications, single clean INFO line - Send NODEINFO per-recipient: INFO->DEBUG_DEBUG - Per-ping callbacks: INFO->DEBUG_TRACE - Per-packet traffic direction: INFO->DEBUG_TRACE - route_insert/delete: use node_id instead of pointer - Add cancel_all log, add_to_senders conn name - send_full_table: ERROR->WARN for consistency checks - is_local_subnet: DEBUG->TRACE - Fix etcp_send_ping BGP category	5 months ago
Evgeny	227a1aafad	cleanup debug logging	5 months ago
Evgeny	048d1c18b1	fix: restore lost if(changed) block in update_my_nodeinfo + add debug warnings	5 months ago
Evgeny	bbebc74bdb	fix etcpmon keyboard: move Tab/Enter/Esc from WndProc to message loop pre-translate	5 months ago
Evgeny	973c00e544	add etcpmon keyboard navigation: Tab between Server/Port, Enter=Connect, Esc=Disconnect	5 months ago
Evgeny	fb76b4252f	fix etcpmon: stray brace in nat_type_to_string, add pipefail to build scripts	5 months ago
Evgeny	456d274e12	fix mass_update: remove git remote http->https rewrite (port 443 blocked on remotes)	5 months ago
Evgeny	c391d497b4	fix mass_update: skip tests build, fix git http redirect, speed up deploy	5 months ago
Evgeny	4e040b2891	fix mass_update: add pipefail so make errors stop the update script	5 months ago
Evgeny	f6ef38aa5d	update documentation	5 months ago
Evgeny	9c509d4c86	add connectivity probing + NAT type rename OPEN->EIM, RESTRICTED->STRICT - Rename NAT types: OPEN->EIM, RESTRICTED->STRICT across all code - Add flat addr list {type,ip,port,socket_id} to NODEINFO (NODEINFO_IPV4_ADDR) - Add NODEINFO_IPV4_SOCKET_META for per-socket metadata - Add NODE_CONNECTIVITY with per-type probe status and min_rtt - New module: route_connectivity.c/h (probing engine with socket fallback) - STRICT verified addresses excluded from NODEINFO broadcast - Trigger probing on new/updated BGP node, cancel on remove/withdraw - Update NAT type names in etcpmon GUI	5 months ago
Evgeny	39544e6b2b	Fix: Add bounds/mtu checks, underflow protection and null deref fix for ETCP robustness	5 months ago
Evgeny	2fadec947b	Fix: Split multi-var init and rename s_net/d_net to src_net/dst_net to avoid MSYS2 S_un macro conflict	5 months ago
Evgeny	595d2b177b	Refactor: Replace custom tc_hton/tc_ntoh with standard htobe16/be16toh/htobe32/be32toh, move htobe16/be16toh to platform_compat.h	5 months ago
Evgeny	69b49d424b	Fix: Include platform_compat.h before winsock2.h in debug_config.h so tc_htonl/tc_htons macros are defined first	5 months ago

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803 Commits (73f707ef9bd0d43a0eb17010c23a58eafd1bccfc) All Branches Search

803 Commits (73f707ef9bd0d43a0eb17010c23a58eafd1bccfc)

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