preparing to build tox from sources

1 files changed, 167 insertions, 0 deletions

diff --git a/libs/libtox/src/toxcore/TCP_client.h b/libs/libtox/src/toxcore/TCP_client.h
new file mode 100644
index 0000000000..212543147c
--- /dev/null
+++ b/libs/libtox/src/toxcore/TCP_client.h
@@ -0,0 +1,167 @@
+/*
+ * Implementation of the TCP relay client part of Tox.
+ */
+
+/*
+ * Copyright © 2016-2017 The TokTok team.
+ * Copyright © 2014 Tox project.
+ *
+ * This file is part of Tox, the free peer to peer instant messenger.
+ *
+ * Tox is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Tox is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Tox.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef TCP_CLIENT_H
+#define TCP_CLIENT_H
+
+#include "TCP_server.h"
+#include "crypto_core.h"
+
+#define TCP_CONNECTION_TIMEOUT 10
+
+typedef enum {
+    TCP_PROXY_NONE,
+    TCP_PROXY_HTTP,
+    TCP_PROXY_SOCKS5
+} TCP_PROXY_TYPE;
+
+typedef struct {
+    IP_Port ip_port;
+    uint8_t proxy_type; // a value from TCP_PROXY_TYPE
+} TCP_Proxy_Info;
+
+enum {
+    TCP_CLIENT_NO_STATUS,
+    TCP_CLIENT_PROXY_HTTP_CONNECTING,
+    TCP_CLIENT_PROXY_SOCKS5_CONNECTING,
+    TCP_CLIENT_PROXY_SOCKS5_UNCONFIRMED,
+    TCP_CLIENT_CONNECTING,
+    TCP_CLIENT_UNCONFIRMED,
+    TCP_CLIENT_CONFIRMED,
+    TCP_CLIENT_DISCONNECTED,
+};
+typedef struct  {
+    uint8_t status;
+    Socket sock;
+    uint8_t self_public_key[CRYPTO_PUBLIC_KEY_SIZE]; /* our public key */
+    uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE]; /* public key of the server */
+    IP_Port ip_port; /* The ip and port of the server */
+    TCP_Proxy_Info proxy_info;
+    uint8_t recv_nonce[CRYPTO_NONCE_SIZE]; /* Nonce of received packets. */
+    uint8_t sent_nonce[CRYPTO_NONCE_SIZE]; /* Nonce of sent packets. */
+    uint8_t shared_key[CRYPTO_SHARED_KEY_SIZE];
+    uint16_t next_packet_length;
+
+    uint8_t temp_secret_key[CRYPTO_SECRET_KEY_SIZE];
+
+    uint8_t last_packet[2 + MAX_PACKET_SIZE];
+    uint16_t last_packet_length;
+    uint16_t last_packet_sent;
+
+    TCP_Priority_List *priority_queue_start, *priority_queue_end;
+
+    uint64_t kill_at;
+
+    uint64_t last_pinged;
+    uint64_t ping_id;
+
+    uint64_t ping_response_id;
+    uint64_t ping_request_id;
+
+    struct {
+        uint8_t status; /* 0 if not used, 1 if other is offline, 2 if other is online. */
+        uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE];
+        uint32_t number;
+    } connections[NUM_CLIENT_CONNECTIONS];
+    int (*response_callback)(void *object, uint8_t connection_id, const uint8_t *public_key);
+    void *response_callback_object;
+    int (*status_callback)(void *object, uint32_t number, uint8_t connection_id, uint8_t status);
+    void *status_callback_object;
+    int (*data_callback)(void *object, uint32_t number, uint8_t connection_id, const uint8_t *data, uint16_t length,
+                         void *userdata);
+    void *data_callback_object;
+    int (*oob_data_callback)(void *object, const uint8_t *public_key, const uint8_t *data, uint16_t length, void *userdata);
+    void *oob_data_callback_object;
+
+    int (*onion_callback)(void *object, const uint8_t *data, uint16_t length, void *userdata);
+    void *onion_callback_object;
+
+    /* Can be used by user. */
+    void *custom_object;
+    uint32_t custom_uint;
+} TCP_Client_Connection;
+
+/* Create new TCP connection to ip_port/public_key
+ */
+TCP_Client_Connection *new_TCP_connection(IP_Port ip_port, const uint8_t *public_key, const uint8_t *self_public_key,
+        const uint8_t *self_secret_key, TCP_Proxy_Info *proxy_info);
+
+/* Run the TCP connection
+ */
+void do_TCP_connection(TCP_Client_Connection *TCP_connection, void *userdata);
+
+/* Kill the TCP connection
+ */
+void kill_TCP_connection(TCP_Client_Connection *TCP_connection);
+
+/* return 1 on success.
+ * return 0 if could not send packet.
+ * return -1 on failure (connection must be killed).
+ */
+int send_onion_request(TCP_Client_Connection *con, const uint8_t *data, uint16_t length);
+void onion_response_handler(TCP_Client_Connection *con, int (*onion_callback)(void *object, const uint8_t *data,
+                            uint16_t length, void *userdata), void *object);
+
+/* return 1 on success.
+ * return 0 if could not send packet.
+ * return -1 on failure (connection must be killed).
+ */
+int send_routing_request(TCP_Client_Connection *con, uint8_t *public_key);
+void routing_response_handler(TCP_Client_Connection *con, int (*response_callback)(void *object, uint8_t connection_id,
+                              const uint8_t *public_key), void *object);
+void routing_status_handler(TCP_Client_Connection *con, int (*status_callback)(void *object, uint32_t number,
+                            uint8_t connection_id, uint8_t status), void *object);
+
+/* return 1 on success.
+ * return 0 if could not send packet.
+ * return -1 on failure (connection must be killed).
+ */
+int send_disconnect_request(TCP_Client_Connection *con, uint8_t con_id);
+
+/* Set the number that will be used as an argument in the callbacks related to con_id.
+ *
+ * When not set by this function, the number is ~0.
+ *
+ * return 0 on success.
+ * return -1 on failure.
+ */
+int set_tcp_connection_number(TCP_Client_Connection *con, uint8_t con_id, uint32_t number);
+
+/* return 1 on success.
+ * return 0 if could not send packet.
+ * return -1 on failure.
+ */
+int send_data(TCP_Client_Connection *con, uint8_t con_id, const uint8_t *data, uint16_t length);
+void routing_data_handler(TCP_Client_Connection *con, int (*data_callback)(void *object, uint32_t number,
+                          uint8_t connection_id, const uint8_t *data, uint16_t length, void *userdata), void *object);
+
+/* return 1 on success.
+ * return 0 if could not send packet.
+ * return -1 on failure.
+ */
+int send_oob_packet(TCP_Client_Connection *con, const uint8_t *public_key, const uint8_t *data, uint16_t length);
+void oob_data_handler(TCP_Client_Connection *con, int (*oob_data_callback)(void *object, const uint8_t *public_key,
+                      const uint8_t *data, uint16_t length, void *userdata), void *object);
+
+
+#endif