forked from Green-Sky/tomato
565efa4f39
c9cdae001 fix(toxav): remove extra copy of video frame on encode 4f6d4546b test: Improve the fake network library. a2581e700 refactor(toxcore): generate `Friend_Request` and `Dht_Nodes_Response` 2aaa11770 refactor(toxcore): use Tox_Memory in generated events 5c367452b test(toxcore): fix incorrect mutex in tox_scenario_get_time 8f92e710f perf: Add a timed limit of number of cookie requests. 695b6417a test: Add some more simulated network support. 815ae9ce9 test(toxcore): fix thread-safety in scenario framework 6d85c754e test(toxcore): add unit tests for net_crypto 9c22e79cc test(support): add SimulatedEnvironment for deterministic testing f34fcb195 chore: Update windows Dockerfile to debian stable (trixie). ece0e8980 fix(group_moderation): allow validating unsorted sanction list signatures a4fa754d7 refactor: rename struct Packet to struct Net_Packet d6f330f85 cleanup: Fix some warnings from coverity. e206bffa2 fix(group_chats): fix sync packets reverting topics 0e4715598 test: Add new scenario testing framework. 668291f44 refactor(toxcore): decouple Network_Funcs from sockaddr via IP_Port fc4396cef fix: potential division by zero in toxav and unsafe hex parsing 8e8b352ab refactor: Add nullable annotations to struct members. 7740bb421 refactor: decouple net_crypto from DHT 1936d4296 test: add benchmark for toxav audio and video 46bfdc2df fix: correct printf format specifiers for unsigned integers REVERT: 1828c5356 fix(toxav): remove extra copy of video frame on encode git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: c9cdae001341e701fca980c9bb9febfeb95d2902
138 lines
5.8 KiB
C
138 lines
5.8 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2016-2025 The TokTok team.
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* Copyright © 2014 Tox project.
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*/
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/**
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* Implementation of the TCP relay client part of Tox.
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*/
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#ifndef C_TOXCORE_TOXCORE_TCP_CLIENT_H
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#define C_TOXCORE_TOXCORE_TCP_CLIENT_H
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#include "attributes.h"
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#include "crypto_core.h"
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#include "forwarding.h"
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#include "logger.h"
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#include "mem.h"
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#include "mono_time.h"
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#include "net_profile.h"
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#include "network.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define TCP_CONNECTION_TIMEOUT 10
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typedef enum TCP_Proxy_Type {
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TCP_PROXY_NONE,
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TCP_PROXY_HTTP,
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TCP_PROXY_SOCKS5,
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} TCP_Proxy_Type;
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typedef struct TCP_Proxy_Info {
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IP_Port ip_port;
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uint8_t proxy_type; // a value from TCP_PROXY_TYPE
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} TCP_Proxy_Info;
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typedef enum TCP_Client_Status {
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TCP_CLIENT_NO_STATUS,
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TCP_CLIENT_PROXY_HTTP_CONNECTING,
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TCP_CLIENT_PROXY_SOCKS5_CONNECTING,
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TCP_CLIENT_PROXY_SOCKS5_UNCONFIRMED,
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TCP_CLIENT_CONNECTING,
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TCP_CLIENT_UNCONFIRMED,
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TCP_CLIENT_CONFIRMED,
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TCP_CLIENT_DISCONNECTED,
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} TCP_Client_Status;
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typedef struct TCP_Client_Connection TCP_Client_Connection;
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const uint8_t *_Nonnull tcp_con_public_key(const TCP_Client_Connection *_Nonnull con);
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IP_Port tcp_con_ip_port(const TCP_Client_Connection *_Nonnull con);
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TCP_Client_Status tcp_con_status(const TCP_Client_Connection *_Nonnull con);
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void *_Nullable tcp_con_custom_object(const TCP_Client_Connection *_Nonnull con);
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uint32_t tcp_con_custom_uint(const TCP_Client_Connection *_Nonnull con);
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void tcp_con_set_custom_object(TCP_Client_Connection *_Nonnull con, void *_Nonnull object);
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void tcp_con_set_custom_uint(TCP_Client_Connection *_Nonnull con, uint32_t value);
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/** Create new TCP connection to ip_port/public_key */
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TCP_Client_Connection *_Nullable new_tcp_connection(
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const Logger *_Nonnull logger, const Memory *_Nonnull mem, const Mono_Time *_Nonnull mono_time, const Random *_Nonnull rng, const Network *_Nonnull ns,
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const IP_Port *_Nonnull ip_port, const uint8_t *_Nonnull public_key, const uint8_t *_Nonnull self_public_key, const uint8_t *_Nonnull self_secret_key,
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const TCP_Proxy_Info *_Nullable proxy_info, Net_Profile *_Nullable net_profile);
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/** Run the TCP connection */
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void do_tcp_connection(const Logger *_Nonnull logger, const Mono_Time *_Nonnull mono_time,
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TCP_Client_Connection *_Nonnull tcp_connection, void *_Nullable userdata);
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/** Kill the TCP connection */
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void kill_tcp_connection(TCP_Client_Connection *_Nullable tcp_connection);
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typedef int tcp_onion_response_cb(void *_Nonnull object, const uint8_t *_Nonnull data, uint16_t length, void *_Nullable userdata);
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/**
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* @retval 1 on success.
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* @retval 0 if could not send packet.
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* @retval -1 on failure (connection must be killed).
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*/
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int send_onion_request(const Logger *_Nonnull logger, TCP_Client_Connection *_Nonnull con, const uint8_t *_Nonnull data, uint16_t length);
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void onion_response_handler(TCP_Client_Connection *_Nonnull con, tcp_onion_response_cb *_Nonnull onion_callback, void *_Nonnull object);
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int send_forward_request_tcp(const Logger *_Nonnull logger, TCP_Client_Connection *_Nonnull con, const IP_Port *_Nonnull dest, const uint8_t *_Nonnull data, uint16_t length);
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void forwarding_handler(TCP_Client_Connection *_Nonnull con, forwarded_response_cb *_Nonnull forwarded_response_callback, void *_Nonnull object);
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typedef int tcp_routing_response_cb(void *_Nonnull object, uint8_t connection_id, const uint8_t *_Nonnull public_key);
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typedef int tcp_routing_status_cb(void *_Nonnull object, uint32_t number, uint8_t connection_id, uint8_t status);
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/**
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* @retval 1 on success.
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* @retval 0 if could not send packet.
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* @retval -1 on failure (connection must be killed).
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*/
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int send_routing_request(const Logger *_Nonnull logger, TCP_Client_Connection *_Nonnull con, const uint8_t *_Nonnull public_key);
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void routing_response_handler(TCP_Client_Connection *_Nonnull con, tcp_routing_response_cb *_Nonnull response_callback, void *_Nonnull object);
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void routing_status_handler(TCP_Client_Connection *_Nonnull con, tcp_routing_status_cb *_Nonnull status_callback, void *_Nonnull object);
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/**
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* @retval 1 on success.
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* @retval 0 if could not send packet.
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* @retval -1 on failure (connection must be killed).
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*/
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int send_disconnect_request(const Logger *_Nonnull logger, TCP_Client_Connection *_Nonnull con, uint8_t con_id);
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/** @brief Set the number that will be used as an argument in the callbacks related to con_id.
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*
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* When not set by this function, the number is -1.
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*
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* return 0 on success.
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* return -1 on failure.
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*/
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int set_tcp_connection_number(TCP_Client_Connection *_Nonnull con, uint8_t con_id, uint32_t number);
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typedef int tcp_routing_data_cb(void *_Nonnull object, uint32_t number, uint8_t connection_id, const uint8_t *_Nonnull data,
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uint16_t length, void *_Nullable userdata);
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/**
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* @retval 1 on success.
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* @retval 0 if could not send packet.
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* @retval -1 on failure.
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*/
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int send_data(const Logger *_Nonnull logger, TCP_Client_Connection *_Nonnull con, uint8_t con_id, const uint8_t *_Nonnull data, uint16_t length);
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void routing_data_handler(TCP_Client_Connection *_Nonnull con, tcp_routing_data_cb *_Nonnull data_callback, void *_Nonnull object);
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typedef int tcp_oob_data_cb(void *_Nonnull object, const uint8_t *_Nonnull public_key, const uint8_t *_Nonnull data, uint16_t length,
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void *_Nullable userdata);
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/**
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* @retval 1 on success.
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* @retval 0 if could not send packet.
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* @retval -1 on failure.
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*/
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int send_oob_packet(const Logger *_Nonnull logger, TCP_Client_Connection *_Nonnull con, const uint8_t *_Nonnull public_key, const uint8_t *_Nonnull data, uint16_t length);
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void oob_data_handler(TCP_Client_Connection *_Nonnull con, tcp_oob_data_cb *_Nonnull oob_data_callback, void *_Nonnull object);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* C_TOXCORE_TOXCORE_TCP_CLIENT_H */
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