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Diffstat (limited to 'lib/isc/win32/include/isc/net.h')
| -rw-r--r-- | lib/isc/win32/include/isc/net.h | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/lib/isc/win32/include/isc/net.h b/lib/isc/win32/include/isc/net.h new file mode 100644 index 0000000..9712a6a --- /dev/null +++ b/lib/isc/win32/include/isc/net.h @@ -0,0 +1,431 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +/* $Id$ */ + +#ifndef ISC_NET_H +#define ISC_NET_H 1 + +/* + * Also define LWRES_IPV6_H to keep it from being included if liblwres is + * being used, or redefinition errors will occur. + */ +#define LWRES_IPV6_H 1 + + + +/***** + ***** Module Info + *****/ + +/* + * Basic Networking Types + * + * This module is responsible for defining the following basic networking + * types: + * + * struct in_addr + * struct in6_addr + * struct in6_pktinfo + * struct sockaddr + * struct sockaddr_in + * struct sockaddr_in6 + * in_port_t + * + * It ensures that the AF_ and PF_ macros are defined. + * + * It declares ntoh[sl]() and hton[sl](). + * + * It declares inet_aton(), inet_ntop(), and inet_pton(). + * + * It ensures that INADDR_ANY, IN6ADDR_ANY_INIT, in6addr_any, and + * in6addr_loopback are available. + * + * It ensures that IN_MULTICAST() is available to check for multicast + * addresses. + * + * MP: + * No impact. + * + * Reliability: + * No anticipated impact. + * + * Resources: + * N/A. + * + * Security: + * No anticipated impact. + * + * Standards: + * BSD Socket API + * RFC2553 + */ + +/*** + *** Imports. + ***/ +#include <inttypes.h> + +#include <isc/platform.h> + +/* + * Because of some sort of problem in the MS header files, this cannot + * be simple "#include <winsock2.h>", because winsock2.h tries to include + * windows.h, which then generates an error out of mswsock.h. _You_ + * figure it out. + */ +#ifndef _WINSOCKAPI_ +#define _WINSOCKAPI_ /* Prevent inclusion of winsock.h in windows.h */ +#endif + +#include <winsock2.h> + +#include <sys/types.h> + +#include <isc/lang.h> +#include <isc/types.h> + +#include <ws2tcpip.h> +#include <isc/ipv6.h> + +/* + * This is here because named client, interfacemgr.c, etc. use the name as + * a variable + */ +#undef interface + +#ifndef INADDR_ANY +#define INADDR_ANY 0x00000000UL +#endif + +#ifndef INADDR_LOOPBACK +#define INADDR_LOOPBACK 0x7f000001UL +#endif + +#ifndef ISC_PLATFORM_HAVEIN6PKTINFO +struct in6_pktinfo { + struct in6_addr ipi6_addr; /* src/dst IPv6 address */ + unsigned int ipi6_ifindex; /* send/recv interface index */ +}; +#endif + +#if _MSC_VER < 1300 +#define in6addr_any isc_in6addr_any +#define in6addr_loopback isc_in6addr_loopback +#endif + +/* + * Ensure type in_port_t is defined. + */ +#ifdef ISC_PLATFORM_NEEDPORTT +typedef uint16_t in_port_t; +#endif + +/* + * If this system does not have MSG_TRUNC (as returned from recvmsg()) + * ISC_PLATFORM_RECVOVERFLOW will be defined. This will enable the MSG_TRUNC + * faking code in socket.c. + */ +#ifndef MSG_TRUNC +#define ISC_PLATFORM_RECVOVERFLOW +#endif + +#define ISC__IPADDR(x) ((uint32_t)htonl((uint32_t)(x))) + +#define ISC_IPADDR_ISMULTICAST(i) \ + (((uint32_t)(i) & ISC__IPADDR(0xf0000000)) \ + == ISC__IPADDR(0xe0000000)) + +#define ISC_IPADDR_ISEXPERIMENTAL(i) \ + (((uint32_t)(i) & ISC__IPADDR(0xf0000000)) \ + == ISC__IPADDR(0xf0000000)) + +/* + * Fix the FD_SET and FD_CLR Macros to properly cast + */ +#undef FD_CLR +#define FD_CLR(fd, set) do { \ + u_int __i; \ + for (__i = 0; __i < ((fd_set FAR *)(set))->fd_count; __i++) { \ + if (((fd_set FAR *)(set))->fd_array[__i] == (SOCKET) fd) { \ + while (__i < ((fd_set FAR *)(set))->fd_count-1) { \ + ((fd_set FAR *)(set))->fd_array[__i] = \ + ((fd_set FAR *)(set))->fd_array[__i+1]; \ + __i++; \ + } \ + ((fd_set FAR *)(set))->fd_count--; \ + break; \ + } \ + } \ +} while (0) + +#undef FD_SET +#define FD_SET(fd, set) do { \ + u_int __i; \ + for (__i = 0; __i < ((fd_set FAR *)(set))->fd_count; __i++) { \ + if (((fd_set FAR *)(set))->fd_array[__i] == (SOCKET)(fd)) { \ + break; \ + } \ + } \ + if (__i == ((fd_set FAR *)(set))->fd_count) { \ + if (((fd_set FAR *)(set))->fd_count < FD_SETSIZE) { \ + ((fd_set FAR *)(set))->fd_array[__i] = (SOCKET)(fd); \ + ((fd_set FAR *)(set))->fd_count++; \ + } \ + } \ +} while (0) + +/* + * Windows Sockets errors redefined as regular Berkeley error constants. + * These are usually commented out in Windows NT to avoid conflicts with errno.h. + * Use the WSA constants instead. + */ + +#include <errno.h> + +#ifndef EWOULDBLOCK +#define EWOULDBLOCK WSAEWOULDBLOCK +#endif +#ifndef EINPROGRESS +#define EINPROGRESS WSAEINPROGRESS +#endif +#ifndef EALREADY +#define EALREADY WSAEALREADY +#endif +#ifndef ENOTSOCK +#define ENOTSOCK WSAENOTSOCK +#endif +#ifndef EDESTADDRREQ +#define EDESTADDRREQ WSAEDESTADDRREQ +#endif +#ifndef EMSGSIZE +#define EMSGSIZE WSAEMSGSIZE +#endif +#ifndef EPROTOTYPE +#define EPROTOTYPE WSAEPROTOTYPE +#endif +#ifndef ENOPROTOOPT +#define ENOPROTOOPT WSAENOPROTOOPT +#endif +#ifndef EPROTONOSUPPORT +#define EPROTONOSUPPORT WSAEPROTONOSUPPORT +#endif +#ifndef ESOCKTNOSUPPORT +#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT +#endif +#ifndef EOPNOTSUPP +#define EOPNOTSUPP WSAEOPNOTSUPP +#endif +#ifndef EPFNOSUPPORT +#define EPFNOSUPPORT WSAEPFNOSUPPORT +#endif +#ifndef EAFNOSUPPORT +#define EAFNOSUPPORT WSAEAFNOSUPPORT +#endif +#ifndef EADDRINUSE +#define EADDRINUSE WSAEADDRINUSE +#endif +#ifndef EADDRNOTAVAIL +#define EADDRNOTAVAIL WSAEADDRNOTAVAIL +#endif +#ifndef ENETDOWN +#define ENETDOWN WSAENETDOWN +#endif +#ifndef ENETUNREACH +#define ENETUNREACH WSAENETUNREACH +#endif +#ifndef ENETRESET +#define ENETRESET WSAENETRESET +#endif +#ifndef ECONNABORTED +#define ECONNABORTED WSAECONNABORTED +#endif +#ifndef ECONNRESET +#define ECONNRESET WSAECONNRESET +#endif +#ifndef ENOBUFS +#define ENOBUFS WSAENOBUFS +#endif +#ifndef EISCONN +#define EISCONN WSAEISCONN +#endif +#ifndef ENOTCONN +#define ENOTCONN WSAENOTCONN +#endif +#ifndef ESHUTDOWN +#define ESHUTDOWN WSAESHUTDOWN +#endif +#ifndef ETOOMANYREFS +#define ETOOMANYREFS WSAETOOMANYREFS +#endif +#ifndef ETIMEDOUT +#define ETIMEDOUT WSAETIMEDOUT +#endif +#ifndef ECONNREFUSED +#define ECONNREFUSED WSAECONNREFUSED +#endif +#ifndef ELOOP +#define ELOOP WSAELOOP +#endif +#ifndef EHOSTDOWN +#define EHOSTDOWN WSAEHOSTDOWN +#endif +#ifndef EHOSTUNREACH +#define EHOSTUNREACH WSAEHOSTUNREACH +#endif +#ifndef EPROCLIM +#define EPROCLIM WSAEPROCLIM +#endif +#ifndef EUSERS +#define EUSERS WSAEUSERS +#endif +#ifndef EDQUOT +#define EDQUOT WSAEDQUOT +#endif +#ifndef ESTALE +#define ESTALE WSAESTALE +#endif +#ifndef EREMOTE +#define EREMOTE WSAEREMOTE +#endif + + +/*** + *** Functions. + ***/ + +ISC_LANG_BEGINDECLS + +isc_result_t +isc_net_probeipv4(void); +/* + * Check if the system's kernel supports IPv4. + * + * Returns: + * + * ISC_R_SUCCESS IPv4 is supported. + * ISC_R_NOTFOUND IPv4 is not supported. + * ISC_R_DISABLED IPv4 is disabled. + * ISC_R_UNEXPECTED + */ + +isc_result_t +isc_net_probeipv6(void); +/* + * Check if the system's kernel supports IPv6. + * + * Returns: + * + * ISC_R_SUCCESS IPv6 is supported. + * ISC_R_NOTFOUND IPv6 is not supported. + * ISC_R_DISABLED IPv6 is disabled. + * ISC_R_UNEXPECTED + */ + +isc_result_t +isc_net_probeunix(void); +/* + * Check if UNIX domain sockets are supported. + * + * Returns: + * + * ISC_R_SUCCESS + * ISC_R_NOTFOUND + */ + +#define ISC_NET_DSCPRECVV4 0x01 /* Can receive sent DSCP value IPv4 */ +#define ISC_NET_DSCPRECVV6 0x02 /* Can receive sent DSCP value IPv6 */ +#define ISC_NET_DSCPSETV4 0x04 /* Can set DSCP on socket IPv4 */ +#define ISC_NET_DSCPSETV6 0x08 /* Can set DSCP on socket IPv6 */ +#define ISC_NET_DSCPPKTV4 0x10 /* Can set DSCP on per packet IPv4 */ +#define ISC_NET_DSCPPKTV6 0x20 /* Can set DSCP on per packet IPv6 */ +#define ISC_NET_DSCPALL 0x3f /* All valid flags */ + +unsigned int +isc_net_probedscp(void); +/*%< + * Probe the level of DSCP support. + */ + +isc_result_t +isc_net_probe_ipv6only(void); +/* + * Check if the system's kernel supports the IPV6_V6ONLY socket option. + * + * Returns: + * + * ISC_R_SUCCESS the option is supported for both TCP and UDP. + * ISC_R_NOTFOUND IPv6 itself or the option is not supported. + * ISC_R_UNEXPECTED + */ + +isc_result_t +isc_net_probe_ipv6pktinfo(void); +/* + * Check if the system's kernel supports the IPV6_(RECV)PKTINFO socket option + * for UDP sockets. + * + * Returns: + * + * ISC_R_SUCCESS the option is supported. + * ISC_R_NOTFOUND IPv6 itself or the option is not supported. + * ISC_R_UNEXPECTED + */ + +void +isc_net_disableipv4(void); + +void +isc_net_disableipv6(void); + +void +isc_net_enableipv4(void); + +void +isc_net_enableipv6(void); + +isc_result_t +isc_net_getudpportrange(int af, in_port_t *low, in_port_t *high); +/*%< + * Returns system's default range of ephemeral UDP ports, if defined. + * If the range is not available or unknown, ISC_NET_PORTRANGELOW and + * ISC_NET_PORTRANGEHIGH will be returned. + * + * Requires: + * + *\li 'low' and 'high' must be non NULL. + * + * Returns: + * + *\li *low and *high will be the ports specifying the low and high ends of + * the range. + */ + +#ifdef ISC_PLATFORM_NEEDNTOP +const char * +isc_net_ntop(int af, const void *src, char *dst, size_t size); +#undef inet_ntop +#define inet_ntop isc_net_ntop +#endif + +#ifdef ISC_PLATFORM_NEEDPTON +int +isc_net_pton(int af, const char *src, void *dst); +#define inet_pton isc_net_pton +#endif + +int +isc_net_aton(const char *cp, struct in_addr *addr); +#define inet_aton isc_net_aton + +ISC_LANG_ENDDECLS + +#endif /* ISC_NET_H */ |