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/* |
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* ws2tcpip.h : TCP/IP specific extensions in Windows Sockets 2 |
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* |
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* Portions Copyright (c) 1980, 1983, 1988, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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*/ |
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|
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#ifndef _WS2TCPIP_H |
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#define _WS2TCPIP_H |
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#if __GNUC__ >=3 |
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#pragma GCC system_header |
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#endif |
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|
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#if (defined _WINSOCK_H && !defined _WINSOCK2_H) |
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#error "ws2tcpip.h is not compatible with winsock.h. Include winsock2.h instead." |
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#endif |
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|
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#include <winsock2.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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/* |
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* The IP_* macros are also defined in winsock.h, but some values are different there. |
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* The values defined in winsock.h for 1.1 and used in wsock32.dll are consistent |
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* with the original values Steve Deering defined in his document "IP Multicast Extensions |
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* for 4.3BSD UNIX related systems (MULTICAST 1.2 Release)." However, these conflicted with |
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* the definitions for some IPPROTO_IP level socket options already assigned by BSD, |
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* so Berkeley changed all the values by adding 7. WinSock2 (ws2_32.dll) uses |
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* the BSD 4.4 compatible values defined here. |
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* |
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* See also: msdn kb article Q257460 |
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* http://support.microsoft.com/support/kb/articles/Q257/4/60.asp |
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*/ |
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|
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/* This is also defined in winsock.h; value hasn't changed */ |
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#define IP_OPTIONS 1 |
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|
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#define IP_HDRINCL 2 |
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/* |
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* These are also be defined in winsock.h, |
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* but values have changed for WinSock2 interface |
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*/ |
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#define IP_TOS 3 /* old (winsock 1.1) value 8 */ |
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#define IP_TTL 4 /* old value 7 */ |
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#define IP_MULTICAST_IF 9 /* old value 2 */ |
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#define IP_MULTICAST_TTL 10 /* old value 3 */ |
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#define IP_MULTICAST_LOOP 11 /* old value 4 */ |
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#define IP_ADD_MEMBERSHIP 12 /* old value 5 */ |
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#define IP_DROP_MEMBERSHIP 13 /* old value 6 */ |
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#define IP_DONTFRAGMENT 14 /* old value 9 */ |
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#define IP_ADD_SOURCE_MEMBERSHIP 15 |
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#define IP_DROP_SOURCE_MEMBERSHIP 16 |
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#define IP_BLOCK_SOURCE 17 |
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#define IP_UNBLOCK_SOURCE 18 |
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#define IP_PKTINFO 19 |
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|
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/* |
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* As with BSD implementation, IPPROTO_IPV6 level socket options have |
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* same values as IPv4 counterparts. |
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*/ |
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#define IPV6_UNICAST_HOPS 4 |
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#define IPV6_MULTICAST_IF 9 |
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#define IPV6_MULTICAST_HOPS 10 |
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#define IPV6_MULTICAST_LOOP 11 |
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#define IPV6_ADD_MEMBERSHIP 12 |
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#define IPV6_DROP_MEMBERSHIP 13 |
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#define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP |
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#define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP |
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#define IPV6_PKTINFO 19 |
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|
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#define IP_DEFAULT_MULTICAST_TTL 1 |
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#define IP_DEFAULT_MULTICAST_LOOP 1 |
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#define IP_MAX_MEMBERSHIPS 20 |
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|
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#define TCP_EXPEDITED_1122 2 |
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|
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#define UDP_NOCHECKSUM 1 |
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|
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/* INTERFACE_INFO iiFlags */ |
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#define IFF_UP 1 |
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#define IFF_BROADCAST 2 |
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#define IFF_LOOPBACK 4 |
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#define IFF_POINTTOPOINT 8 |
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#define IFF_MULTICAST 16 |
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|
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#define SIO_GET_INTERFACE_LIST _IOR('t', 127, u_long) |
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|
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#define INET_ADDRSTRLEN 16 |
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#define INET6_ADDRSTRLEN 46 |
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|
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/* getnameinfo constants */ |
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#define NI_MAXHOST 1025 |
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#define NI_MAXSERV 32 |
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|
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#define NI_NOFQDN 0x01 |
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#define NI_NUMERICHOST 0x02 |
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#define NI_NAMEREQD 0x04 |
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#define NI_NUMERICSERV 0x08 |
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#define NI_DGRAM 0x10 |
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|
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/* getaddrinfo constants */ |
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#define AI_PASSIVE 1 |
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#define AI_CANONNAME 2 |
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#define AI_NUMERICHOST 4 |
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|
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/* getaddrinfo error codes */ |
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#define EAI_AGAIN WSATRY_AGAIN |
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#define EAI_BADFLAGS WSAEINVAL |
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#define EAI_FAIL WSANO_RECOVERY |
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#define EAI_FAMILY WSAEAFNOSUPPORT |
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#define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY |
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#define EAI_NODATA WSANO_DATA |
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#define EAI_NONAME WSAHOST_NOT_FOUND |
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#define EAI_SERVICE WSATYPE_NOT_FOUND |
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#define EAI_SOCKTYPE WSAESOCKTNOSUPPORT |
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|
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/* |
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* ip_mreq also in winsock.h for WinSock1.1, |
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* but online msdn docs say it is defined here for WinSock2. |
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*/ |
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|
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struct ip_mreq { |
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struct in_addr imr_multiaddr; |
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struct in_addr imr_interface; |
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}; |
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|
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struct ip_mreq_source { |
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struct in_addr imr_multiaddr; |
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struct in_addr imr_sourceaddr; |
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struct in_addr imr_interface; |
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}; |
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|
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struct ip_msfilter { |
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struct in_addr imsf_multiaddr; |
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struct in_addr imsf_interface; |
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u_long imsf_fmode; |
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u_long imsf_numsrc; |
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struct in_addr imsf_slist[1]; |
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}; |
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|
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#define IP_MSFILTER_SIZE(numsrc) \ |
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(sizeof(struct ip_msfilter) - sizeof(struct in_addr) \ |
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+ (numsrc) * sizeof(struct in_addr)) |
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|
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struct in_pktinfo { |
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IN_ADDR ipi_addr; |
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UINT ipi_ifindex; |
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}; |
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typedef struct in_pktinfo IN_PKTINFO; |
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|
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|
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/* ipv6 */ |
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/* These require XP or .NET Server or use of add-on IPv6 stacks on NT 4 |
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or higher */ |
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|
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/* This is based on the example given in RFC 2553 with stdint types |
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changed to BSD types. For now, use these field names until there |
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is some consistency in MS docs. In this file, we only use the |
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in6_addr structure start address, with casts to get the right offsets |
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when testing addresses */ |
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|
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struct in6_addr { |
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union { |
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u_char _S6_u8[16]; |
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u_short _S6_u16[8]; |
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u_long _S6_u32[4]; |
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} _S6_un; |
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}; |
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/* s6_addr is the standard name */ |
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#define s6_addr _S6_un._S6_u8 |
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|
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/* These are GLIBC names */ |
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#define s6_addr16 _S6_un._S6_u16 |
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#define s6_addr32 _S6_un._S6_u32 |
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|
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/* These are used in some MS code */ |
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#define in_addr6 in6_addr |
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#define _s6_bytes _S6_un._S6_u8 |
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#define _s6_words _S6_un._S6_u16 |
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|
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typedef struct in6_addr IN6_ADDR, *PIN6_ADDR, *LPIN6_ADDR; |
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|
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struct sockaddr_in6 { |
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short sin6_family; /* AF_INET6 */ |
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u_short sin6_port; /* transport layer port # */ |
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u_long sin6_flowinfo; /* IPv6 traffic class & flow info */ |
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struct in6_addr sin6_addr; /* IPv6 address */ |
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u_long sin6_scope_id; /* set of interfaces for a scope */ |
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}; |
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typedef struct sockaddr_in6 SOCKADDR_IN6, *PSOCKADDR_IN6, *LPSOCKADDR_IN6; |
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|
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extern const struct in6_addr in6addr_any; |
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extern const struct in6_addr in6addr_loopback; |
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/* the above can get initialised using: */ |
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#define IN6ADDR_ANY_INIT { 0 } |
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#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } |
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|
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/* Described in RFC 2292, but not in 2553 */ |
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/* int IN6_ARE_ADDR_EQUAL(const struct in6_addr * a, const struct in6_addr * b) */ |
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#define IN6_ARE_ADDR_EQUAL(a, b) \ |
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(memcmp ((void*)(a), (void*)(b), sizeof (struct in6_addr)) == 0) |
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|
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|
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/* Address Testing Macros |
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|
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These macro functions all take const struct in6_addr* as arg. |
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Static inlines would allow type checking, but RFC 2553 says they |
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macros. |
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NB: These are written specifically for little endian host */ |
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|
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#define IN6_IS_ADDR_UNSPECIFIED(_addr) \ |
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( (((const u_long *)(_addr))[0] == 0) \ |
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&& (((const u_long *)(_addr))[1] == 0) \ |
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&& (((const u_long *)(_addr))[2] == 0) \ |
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&& (((const u_long *)(_addr))[3] == 0)) |
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|
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#define IN6_IS_ADDR_LOOPBACK(_addr) \ |
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( (((const u_long *)(_addr))[0] == 0) \ |
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&& (((const u_long *)(_addr))[1] == 0) \ |
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&& (((const u_long *)(_addr))[2] == 0) \ |
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&& (((const u_long *)(_addr))[3] == 0x01000000)) /* Note byte order reversed */ |
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/* (((const u_long *)(_addr))[3] == ntohl(1)) */ |
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|
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#define IN6_IS_ADDR_MULTICAST(_addr) (((const u_char *) (_addr))[0] == 0xff) |
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|
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#define IN6_IS_ADDR_LINKLOCAL(_addr) \ |
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( (((const u_char *)(_addr))[0] == 0xfe) \ |
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&& ((((const u_char *)(_addr))[1] & 0xc0) == 0x80)) |
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|
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#define IN6_IS_ADDR_SITELOCAL(_addr) \ |
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( (((const u_char *)(_addr))[0] == 0xfe) \ |
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&& ((((const u_char *)(_addr))[1] & 0xc0) == 0xc0)) |
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|
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#define IN6_IS_ADDR_V4MAPPED(_addr) \ |
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( (((const u_long *)(_addr))[0] == 0) \ |
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&& (((const u_long *)(_addr))[1] == 0) \ |
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&& (((const u_long *)(_addr))[2] == 0xffff0000)) /* Note byte order reversed */ |
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/* (((const u_long *)(_addr))[2] == ntohl(0x0000ffff))) */ |
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|
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#define IN6_IS_ADDR_V4COMPAT(_addr) \ |
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( (((const u_long *)(_addr))[0] == 0) \ |
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&& (((const u_long *)(_addr))[1] == 0) \ |
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&& (((const u_long *)(_addr))[2] == 0) \ |
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&& (((const u_long *)(_addr))[3] != 0) \ |
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&& (((const u_long *)(_addr))[3] != 0x01000000)) /* Note byte order reversed */ |
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/* (ntohl (((const u_long *)(_addr))[3]) > 1 ) */ |
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|
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|
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#define IN6_IS_ADDR_MC_NODELOCAL(_addr) \ |
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( IN6_IS_ADDR_MULTICAST(_addr) \ |
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x1)) |
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|
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#define IN6_IS_ADDR_MC_LINKLOCAL(_addr) \ |
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( IN6_IS_ADDR_MULTICAST (_addr) \ |
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x2)) |
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|
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#define IN6_IS_ADDR_MC_SITELOCAL(_addr) \ |
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( IN6_IS_ADDR_MULTICAST(_addr) \ |
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x5)) |
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|
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#define IN6_IS_ADDR_MC_ORGLOCAL(_addr) \ |
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( IN6_IS_ADDR_MULTICAST(_addr) \ |
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x8)) |
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|
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#define IN6_IS_ADDR_MC_GLOBAL(_addr) \ |
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( IN6_IS_ADDR_MULTICAST(_addr) \ |
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0xe)) |
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|
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|
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typedef int socklen_t; |
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|
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struct ipv6_mreq { |
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struct in6_addr ipv6mr_multiaddr; |
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unsigned int ipv6mr_interface; |
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}; |
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typedef struct ipv6_mreq IPV6_MREQ; |
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|
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struct in6_pktinfo { |
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IN6_ADDR ipi6_addr; |
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UINT ipi6_ifindex; |
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}; |
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typedef struct in6_pktinfo IN6_PKTINFO; |
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|
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struct addrinfo { |
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int ai_flags; |
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int ai_family; |
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int ai_socktype; |
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int ai_protocol; |
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size_t ai_addrlen; |
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char *ai_canonname; |
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struct sockaddr *ai_addr; |
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struct addrinfo *ai_next; |
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}; |
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|
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#if (_WIN32_WINNT >= 0x0501) |
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void WSAAPI freeaddrinfo (struct addrinfo*); |
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int WSAAPI getaddrinfo (const char*,const char*,const struct addrinfo*, |
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struct addrinfo**); |
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int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD, |
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char*,DWORD,int); |
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#else |
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/* FIXME: Need WS protocol-independent API helpers. */ |
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#endif |
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|
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static __inline char* |
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gai_strerrorA(int ecode) |
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{ |
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static char message[1024+1]; |
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DWORD dwFlags = FORMAT_MESSAGE_FROM_SYSTEM |
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| FORMAT_MESSAGE_IGNORE_INSERTS |
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| FORMAT_MESSAGE_MAX_WIDTH_MASK; |
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DWORD dwLanguageId = MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT); |
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FormatMessageA(dwFlags, NULL, ecode, dwLanguageId, (LPSTR)message, 1024, NULL); |
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return message; |
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} |
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static __inline WCHAR* |
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gai_strerrorW(int ecode) |
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{ |
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static WCHAR message[1024+1]; |
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DWORD dwFlags = FORMAT_MESSAGE_FROM_SYSTEM |
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| FORMAT_MESSAGE_IGNORE_INSERTS |
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| FORMAT_MESSAGE_MAX_WIDTH_MASK; |
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DWORD dwLanguageId = MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT); |
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FormatMessageW(dwFlags, NULL, ecode, dwLanguageId, (LPWSTR)message, 1024, NULL); |
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return message; |
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} |
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#ifdef UNICODE |
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#define gai_strerror gai_strerrorW |
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#else |
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#define gai_strerror gai_strerrorA |
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#endif |
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|
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/* Some older IPv4/IPv6 compatibility stuff */ |
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|
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/* This struct lacks sin6_scope_id; retained for use in sockaddr_gen */ |
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struct sockaddr_in6_old { |
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short sin6_family; |
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u_short sin6_port; |
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u_long sin6_flowinfo; |
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struct in6_addr sin6_addr; |
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}; |
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|
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typedef union sockaddr_gen{ |
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struct sockaddr Address; |
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struct sockaddr_in AddressIn; |
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struct sockaddr_in6_old AddressIn6; |
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} sockaddr_gen; |
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|
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|
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typedef struct _INTERFACE_INFO { |
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u_long iiFlags; |
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sockaddr_gen iiAddress; |
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sockaddr_gen iiBroadcastAddress; |
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sockaddr_gen iiNetmask; |
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} INTERFACE_INFO, *LPINTERFACE_INFO; |
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|
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/* |
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The definition above can cause problems on NT4,prior to sp4. |
| 361 |
To workaround, include the following struct and typedef and |
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#define INTERFACE_INFO OLD_INTERFACE_INFO |
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See: FIX: WSAIoctl SIO_GET_INTERFACE_LIST Option Problem |
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(Q181520) in MSDN KB. |
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|
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The old definition causes problems on newer NT and on XP. |
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|
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typedef struct _OLD_INTERFACE_INFO { |
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u_long iiFlags; |
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struct sockaddr iiAddress; |
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struct sockaddr iiBroadcastAddress; |
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struct sockaddr iiNetmask; |
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} OLD_INTERFACE_INFO; |
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*/ |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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#endif |
