236 lines
7.7 KiB
C
236 lines
7.7 KiB
C
/*
|
|
* Copyright (C) 2011, 2012, 2013 Citrix Systems
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __TURN_SERVER__
|
|
#define __TURN_SERVER__
|
|
|
|
#include "ns_turn_utils.h"
|
|
#include "ns_turn_session.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
//////////// defines //////////////
|
|
|
|
#define TURN_SESSION_ID_FACTOR (1000000000000000LL)
|
|
|
|
//////////// ALTERNATE-SERVER /////////////
|
|
|
|
struct _turn_server_addrs_list {
|
|
ioa_addr *addrs;
|
|
volatile size_t size;
|
|
turn_mutex m;
|
|
};
|
|
|
|
typedef struct _turn_server_addrs_list turn_server_addrs_list_t;
|
|
|
|
void init_turn_server_addrs_list(turn_server_addrs_list_t *l);
|
|
|
|
////////// RFC 5780 ///////////////////////
|
|
|
|
typedef int (*get_alt_addr_cb)(ioa_addr *addr, ioa_addr *alt_addr);
|
|
typedef int (*send_message_cb)(ioa_engine_handle e, ioa_network_buffer_handle nbh, ioa_addr *origin, ioa_addr *destination);
|
|
|
|
//////////////////////////////////////////
|
|
|
|
extern int TURN_MAX_ALLOCATE_TIMEOUT;
|
|
extern int TURN_MAX_ALLOCATE_TIMEOUT_STUN_ONLY;
|
|
|
|
typedef u08bits turnserver_id;
|
|
|
|
enum _MESSAGE_TO_RELAY_TYPE {
|
|
RMT_UNKNOWN = 0,
|
|
RMT_SOCKET,
|
|
RMT_CB_SOCKET,
|
|
RMT_MOBILE_SOCKET,
|
|
RMT_CANCEL_SESSION
|
|
};
|
|
typedef enum _MESSAGE_TO_RELAY_TYPE MESSAGE_TO_RELAY_TYPE;
|
|
|
|
struct socket_message {
|
|
ioa_socket_handle s;
|
|
ioa_net_data nd;
|
|
int can_resume;
|
|
};
|
|
|
|
typedef enum {
|
|
DONT_FRAGMENT_UNSUPPORTED=0,
|
|
DONT_FRAGMENT_SUPPORTED,
|
|
DONT_FRAGMENT_SUPPORT_EMULATED
|
|
} dont_fragment_option_t;
|
|
|
|
struct _turn_turnserver;
|
|
typedef struct _turn_turnserver turn_turnserver;
|
|
|
|
typedef void (*get_username_resume_cb)(int success, int oauth, int max_session_time, hmackey_t hmackey, password_t pwd, turn_turnserver *server, u64bits ctxkey, ioa_net_data *in_buffer, u08bits* realm);
|
|
typedef u08bits *(*get_user_key_cb)(turnserver_id id, turn_credential_type ct, int in_oauth, int *out_oauth, u08bits *uname, u08bits *realm, get_username_resume_cb resume, ioa_net_data *in_buffer, u64bits ctxkey, int *postpone_reply);
|
|
typedef int (*check_new_allocation_quota_cb)(u08bits *username, int oauth, u08bits *realm);
|
|
typedef void (*release_allocation_quota_cb)(u08bits *username, int oauth, u08bits *realm);
|
|
typedef int (*send_socket_to_relay_cb)(turnserver_id id, u64bits cid, stun_tid *tid, ioa_socket_handle s, int message_integrity, MESSAGE_TO_RELAY_TYPE rmt, ioa_net_data *nd, int can_resume);
|
|
typedef int (*send_turn_session_info_cb)(struct turn_session_info *tsi);
|
|
typedef void (*send_https_socket_cb)(ioa_socket_handle s);
|
|
|
|
typedef band_limit_t (*allocate_bps_cb)(band_limit_t bps, int positive);
|
|
|
|
struct _turn_turnserver {
|
|
|
|
turnserver_id id;
|
|
|
|
turnsession_id session_id_counter;
|
|
ur_map *sessions_map;
|
|
|
|
turn_time_t ctime;
|
|
|
|
ioa_engine_handle e;
|
|
int verbose;
|
|
int fingerprint;
|
|
int rfc5780;
|
|
vintp check_origin;
|
|
vintp stale_nonce;
|
|
vintp channel_lifetime;
|
|
vintp stun_only;
|
|
vintp no_stun;
|
|
vintp secure_stun;
|
|
turn_credential_type ct;
|
|
get_alt_addr_cb alt_addr_cb;
|
|
send_message_cb sm_cb;
|
|
dont_fragment_option_t dont_fragment;
|
|
int (*disconnect)(ts_ur_super_session*);
|
|
get_user_key_cb userkeycb;
|
|
check_new_allocation_quota_cb chquotacb;
|
|
release_allocation_quota_cb raqcb;
|
|
int external_ip_set;
|
|
ioa_addr external_ip;
|
|
vintp no_loopback_peers;
|
|
vintp no_multicast_peers;
|
|
send_turn_session_info_cb send_turn_session_info;
|
|
send_https_socket_cb send_https_socket;
|
|
|
|
/* RFC 6062 ==>> */
|
|
vintp no_udp_relay;
|
|
vintp no_tcp_relay;
|
|
ur_map *tcp_relay_connections;
|
|
send_socket_to_relay_cb send_socket_to_relay;
|
|
/* <<== RFC 6062 */
|
|
|
|
/* Alternate servers ==>> */
|
|
turn_server_addrs_list_t *alternate_servers_list;
|
|
size_t as_counter;
|
|
turn_server_addrs_list_t *tls_alternate_servers_list;
|
|
size_t tls_as_counter;
|
|
turn_server_addrs_list_t *aux_servers_list;
|
|
int self_udp_balance;
|
|
|
|
/* White/black listing of address ranges */
|
|
ip_range_list_t* ip_whitelist;
|
|
ip_range_list_t* ip_blacklist;
|
|
|
|
/* Mobility */
|
|
vintp mobility;
|
|
ur_map *mobile_connections_map;
|
|
|
|
/* Server relay */
|
|
int server_relay;
|
|
|
|
/* Bandwidth draft: */
|
|
allocate_bps_cb allocate_bps_func;
|
|
|
|
/* oAuth: */
|
|
int oauth;
|
|
const char* oauth_server_name;
|
|
};
|
|
|
|
///////////////////////////////////////////
|
|
|
|
void init_turn_server(turn_turnserver* server,
|
|
turnserver_id id, int verbose,
|
|
ioa_engine_handle e,
|
|
turn_credential_type ct,
|
|
int stun_port,
|
|
int fingerprint,
|
|
dont_fragment_option_t dont_fragment,
|
|
get_user_key_cb userkeycb,
|
|
check_new_allocation_quota_cb chquotacb,
|
|
release_allocation_quota_cb raqcb,
|
|
ioa_addr *external_addr,
|
|
vintp check_origin,
|
|
vintp no_tcp_relay,
|
|
vintp no_udp_relay,
|
|
vintp stale_nonce,
|
|
vintp channel_lifetime,
|
|
vintp stun_only,
|
|
vintp no_stun,
|
|
turn_server_addrs_list_t *alternate_servers_list,
|
|
turn_server_addrs_list_t *tls_alternate_servers_list,
|
|
turn_server_addrs_list_t *aux_servers_list,
|
|
int self_udp_balance,
|
|
vintp no_multicast_peers,
|
|
vintp no_loopback_peers,
|
|
ip_range_list_t* ip_whitelist,
|
|
ip_range_list_t* ip_blacklist,
|
|
send_socket_to_relay_cb send_socket_to_relay,
|
|
vintp secure_stun,
|
|
vintp mobility,
|
|
int server_relay,
|
|
send_turn_session_info_cb send_turn_session_info,
|
|
send_https_socket_cb send_https_socket,
|
|
allocate_bps_cb allocate_bps_func,
|
|
int oauth,
|
|
const char* oauth_server_name);
|
|
|
|
ioa_engine_handle turn_server_get_engine(turn_turnserver *s);
|
|
|
|
////////// RFC 5780 ///////////////////////
|
|
|
|
void set_rfc5780(turn_turnserver *server, get_alt_addr_cb cb, send_message_cb smcb);
|
|
|
|
///////////////////////////////////////////
|
|
|
|
int open_client_connection_session(turn_turnserver* server, struct socket_message *sm);
|
|
int shutdown_client_connection(turn_turnserver *server, ts_ur_super_session *ss, int force, const char* reason);
|
|
void set_disconnect_cb(turn_turnserver* server, int (*disconnect)(ts_ur_super_session*));
|
|
|
|
int turnserver_accept_tcp_client_data_connection(turn_turnserver *server, tcp_connection_id tcid, stun_tid *tid, ioa_socket_handle s, int message_integrity, ioa_net_data *nd, int can_resume);
|
|
|
|
int report_turn_session_info(turn_turnserver *server, ts_ur_super_session *ss, int force_invalid);
|
|
|
|
turn_time_t get_turn_server_time(turn_turnserver *server);
|
|
|
|
void turn_cancel_session(turn_turnserver *server, turnsession_id sid);
|
|
|
|
///////////////////////////////////////////
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif //__TURN_SERVER__
|