/usr/include/turn/ns_turn_ioaddr.h is in coturn 4.2.1.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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 __IOADDR__
#define __IOADDR__
#include "ns_turn_defs.h"
#ifdef __cplusplus
extern "C" {
#endif
/////////////////////////////////////////////////////
#define MAX_IOA_ADDR_STRING (65)
typedef union {
struct sockaddr ss;
struct sockaddr_in s4;
struct sockaddr_in6 s6;
} ioa_addr;
typedef struct {
ioa_addr min;
ioa_addr max;
} ioa_addr_range;
////////////////////////////
u32bits get_ioa_addr_len(const ioa_addr* addr);
////////////////////////////
void addr_set_any(ioa_addr *addr);
int addr_any(const ioa_addr* addr);
int addr_any_no_port(const ioa_addr* addr);
u32bits addr_hash(const ioa_addr *addr);
u32bits addr_hash_no_port(const ioa_addr *addr);
void addr_cpy(ioa_addr* dst, const ioa_addr* src);
void addr_cpy4(ioa_addr* dst, const struct sockaddr_in* src);
void addr_cpy6(ioa_addr* dst, const struct sockaddr_in6* src);
int addr_eq(const ioa_addr* a1, const ioa_addr *a2);
int addr_eq_no_port(const ioa_addr* a1, const ioa_addr *a2);
int make_ioa_addr(const u08bits* saddr, int port, ioa_addr *addr);
int make_ioa_addr_from_full_string(const u08bits* saddr, int default_port, ioa_addr *addr);
void addr_set_port(ioa_addr* addr, int port);
int addr_get_port(const ioa_addr* addr);
int addr_to_string(const ioa_addr* addr, u08bits* saddr);
int addr_to_string_no_port(const ioa_addr* addr, u08bits* saddr);
u32bits hash_int32(u32bits a);
u64bits hash_int64(u64bits a);
///////////////////////////////////////////
void ioa_addr_range_set(ioa_addr_range* range, const ioa_addr* addr_min, const ioa_addr* addr_max);
int addr_less_eq(const ioa_addr* addr1, const ioa_addr* addr2);
int ioa_addr_in_range(const ioa_addr_range* range, const ioa_addr* addr);
void ioa_addr_range_cpy(ioa_addr_range* dest, const ioa_addr_range* src);
/////// Check whether this is a good address //////////////
int ioa_addr_is_multicast(ioa_addr *a);
int ioa_addr_is_loopback(ioa_addr *addr);
/////// Map "public" address to "private" address //////////////
// Must be called only in a single-threaded context,
// before the program starts spawning threads:
void ioa_addr_add_mapping(ioa_addr *apub, ioa_addr *apriv);
void map_addr_from_public_to_private(const ioa_addr *public_addr, ioa_addr *private_addr);
void map_addr_from_private_to_public(const ioa_addr *private_addr, ioa_addr *public_addr);
///////////////////////////////////////////
#ifdef __cplusplus
}
#endif
#endif //__IOADDR__
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