/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "objfw-defs.h"
#ifndef OF_HAVE_SOCKETS
# error No sockets available!
#endif
#include <stdbool.h>
#import "OFString.h"
#ifdef OF_HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef OF_HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef OF_HAVE_NETINET_TCP_H
# include <netinet/tcp.h>
#endif
#ifdef OF_HAVE_NETINET_SCTP_H
# include <netinet/sctp.h>
#endif
#ifdef OF_HAVE_NETIPX_IPX_H
# include <netipx/ipx.h>
#endif
#include "platform.h"
#ifdef OF_WINDOWS
# include <windows.h>
# include <ws2tcpip.h>
# ifdef OF_HAVE_IPX
# include <wsipx.h>
# endif
#endif
/** @file */
#ifdef OF_WII
# include <network.h>
#endif
#ifdef OF_PSP
# include <stdint.h>
#endif
#import "macros.h"
#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS)
# import "tlskey.h"
#endif
OF_ASSUME_NONNULL_BEGIN
#ifndef OF_WINDOWS
typedef int of_socket_t;
#else
typedef SOCKET of_socket_t;
#endif
#ifdef OF_WII
typedef u8 sa_family_t;
#endif
#ifdef OF_MORPHOS
typedef long socklen_t;
typedef u_char sa_family_t;
typedef u_short in_port_t;
#endif
/**
* @brief A socket address family.
*/
typedef enum {
/** An unknown address family. */
OF_SOCKET_ADDRESS_FAMILY_UNKNOWN,
/** IPv4 */
OF_SOCKET_ADDRESS_FAMILY_IPV4,
/** IPv6 */
OF_SOCKET_ADDRESS_FAMILY_IPV6,
/** IPX */
OF_SOCKET_ADDRESS_FAMILY_IPX,
/** Any address family */
OF_SOCKET_ADDRESS_FAMILY_ANY = 255
} of_socket_address_family_t;
#ifndef OF_HAVE_IPV6
struct sockaddr_in6 {
sa_family_t sin6_family;
in_port_t sin6_port;
uint32_t sin6_flowinfo;
struct in6_addr {
uint8_t s6_addr[16];
} sin6_addr;
uint32_t sin6_scope_id;
};
#endif
#ifndef OF_HAVE_IPX
# define IPX_NODE_LEN 6
struct sockaddr_ipx {
sa_family_t sipx_family;
uint32_t sipx_network;
unsigned char sipx_node[IPX_NODE_LEN];
uint16_t sipx_port;
uint8_t sipx_type;
};
#endif
#ifdef OF_WINDOWS
# define IPX_NODE_LEN 6
# define sipx_family sa_family
# define sipx_network sa_netnum
# define sipx_node sa_nodenum
# define sipx_port sa_socket
#endif
/**
* @struct of_socket_address_t socket.h ObjFW/socket.h
*
* @brief A struct which represents a host / port pair for a socket.
*/
struct OF_BOXABLE of_socket_address_t {
/*
* Even though struct sockaddr contains the family, we need to use our
* own family, as we need to support storing an IPv6 address on systems
* that don't support IPv6. These may not have AF_INET6 defined and we
* can't just define it, as the value is system-dependent and might
* clash with an existing value.
*/
of_socket_address_family_t family;
union {
struct sockaddr sockaddr;
struct sockaddr_in in;
struct sockaddr_in6 in6;
struct sockaddr_ipx ipx;
} sockaddr;
socklen_t length;
};
typedef struct of_socket_address_t of_socket_address_t;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Parses the specified IP and port into an of_socket_address_t.
*
* @param IP The IP to parse
* @param port The port to use
* @return The parsed IP and port as an of_socket_address_t
*/
extern of_socket_address_t of_socket_address_parse_ip(
OFString *IP, uint16_t port);
/**
* @brief Parses the specified IPv4 and port into an of_socket_address_t.
*
* @param IP The IPv4 to parse
* @param port The port to use
* @return The parsed IPv4 and port as an of_socket_address_t
*/
extern of_socket_address_t of_socket_address_parse_ipv4(
OFString *IP, uint16_t port);
/**
* @brief Parses the specified IPv6 and port into an of_socket_address_t.
*
* @param IP The IPv6 to parse
* @param port The port to use
* @return The parsed IPv6 and port as an of_socket_address_t
*/
extern of_socket_address_t of_socket_address_parse_ipv6(
OFString *IP, uint16_t port);
/**
* @brief Creates an IPX address for the specified network, node and port.
*
* @param node The node in the IPX network
* @param network The IPX network
* @param port The IPX port (sometimes called socket number) on the node
*/
extern of_socket_address_t of_socket_address_ipx(
const unsigned char node[_Nonnull IPX_NODE_LEN], uint32_t network,
uint16_t port);
/**
* @brief Compares two of_socket_address_t for equality.
*
* @param address1 The address to compare with the second address
* @param address2 The second address
* @return Whether the two addresses are equal
*/
extern bool of_socket_address_equal(
const of_socket_address_t *_Nonnull address1,
const of_socket_address_t *_Nonnull address2);
/**
* @brief Returns the hash for the specified of_socket_address_t.
*
* @param address The address to hash
* @return The hash for the specified of_socket_address_t
*/
extern unsigned long of_socket_address_hash(
const of_socket_address_t *_Nonnull address);
/**
* @brief Converts the specified of_socket_address_t to an IP string and port.
*
* @param address The address to convert to a string
* @param port A pointer to an uint16_t which should be set to the port of the
* address or NULL if the port is not needed
* @return The address as an IP string
*/
extern OFString *_Nonnull of_socket_address_ip_string(
const of_socket_address_t *_Nonnull address, uint16_t *_Nullable port);
/**
* @brief Sets the port of the specified of_socket_address_t, independent of
* the address family used.
*
* @param address The address on which to set the port
* @param port The port to set on the address
*/
extern void of_socket_address_set_port(of_socket_address_t *_Nonnull address,
uint16_t port);
/**
* @brief Returns the port of the specified of_socket_address_t, independent of
* the address family used.
*
* @param address The address on which to get the port
* @return The port of the address
*/
extern uint16_t of_socket_address_get_port(
const of_socket_address_t *_Nonnull address);
/**
* @brief Sets the IPX network of the specified of_socket_address_t.
*
* @param address The address on which to set the IPX network
* @param network The IPX network to set on the address
*/
extern void of_socket_address_set_ipx_network(
of_socket_address_t *_Nonnull address, uint32_t network);
/**
* @brief Returns the IPX network of the specified of_socket_address_t.
*
* @param address The address on which to get the IPX network
* @return The IPX network of the address
*/
extern uint32_t of_socket_address_get_ipx_network(
const of_socket_address_t *_Nonnull address);
/**
* @brief Sets the IPX node of the specified of_socket_address_t.
*
* @param address The address on which to set the IPX node
* @param node The IPX node to set on the address
*/
extern void of_socket_address_set_ipx_node(
of_socket_address_t *_Nonnull address,
const unsigned char node[_Nonnull IPX_NODE_LEN]);
/**
* @brief Gets the IPX node of the specified of_socket_address_t.
*
* @param address The address on which to get the IPX node
* @param node A byte array to store the IPX node of the address
*/
extern void of_socket_address_get_ipx_node(
const of_socket_address_t *_Nonnull address,
unsigned char node[_Nonnull IPX_NODE_LEN]);
extern bool of_socket_init(void);
#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
extern void of_socket_deinit(void);
#endif
extern int of_socket_errno(void);
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
extern int of_getsockname(of_socket_t sock, struct sockaddr *restrict addr,
socklen_t *restrict addrLen);
#endif
#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
extern of_tlskey_t of_socket_base_key;
# ifdef OF_AMIGAOS4
extern of_tlskey_t of_socket_interface_key;
# endif
#endif
#ifdef __cplusplus
}
#endif
OF_ASSUME_NONNULL_END