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Diffstat (limited to 'lib/isc/win32/include/isc/net.h')
| -rw-r--r-- | lib/isc/win32/include/isc/net.h | 346 |
1 files changed, 346 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..a89bce0 --- /dev/null +++ b/lib/isc/win32/include/isc/net.h @@ -0,0 +1,346 @@ +/* + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1999-2003 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: net.h,v 1.30 2008/07/01 23:47:17 tbox Exp $ */ + +#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 <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_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 isc_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) ((isc_uint32_t)htonl((isc_uint32_t)(x))) + +#define ISC_IPADDR_ISMULTICAST(i) \ + (((isc_uint32_t)(i) & ISC__IPADDR(0xf0000000)) \ + == ISC__IPADDR(0xe0000000)) + +#define ISC_IPADDR_ISEXPERIMENTAL(i) \ + (((isc_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. + */ + +#define EWOULDBLOCK WSAEWOULDBLOCK +#define EINPROGRESS WSAEINPROGRESS +#define EALREADY WSAEALREADY +#define ENOTSOCK WSAENOTSOCK +#define EDESTADDRREQ WSAEDESTADDRREQ +#define EMSGSIZE WSAEMSGSIZE +#define EPROTOTYPE WSAEPROTOTYPE +#define ENOPROTOOPT WSAENOPROTOOPT +#define EPROTONOSUPPORT WSAEPROTONOSUPPORT +#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT +#define EOPNOTSUPP WSAEOPNOTSUPP +#define EPFNOSUPPORT WSAEPFNOSUPPORT +#define EAFNOSUPPORT WSAEAFNOSUPPORT +#define EADDRINUSE WSAEADDRINUSE +#define EADDRNOTAVAIL WSAEADDRNOTAVAIL +#define ENETDOWN WSAENETDOWN +#define ENETUNREACH WSAENETUNREACH +#define ENETRESET WSAENETRESET +#define ECONNABORTED WSAECONNABORTED +#define ECONNRESET WSAECONNRESET +#define ENOBUFS WSAENOBUFS +#define EISCONN WSAEISCONN +#define ENOTCONN WSAENOTCONN +#define ESHUTDOWN WSAESHUTDOWN +#define ETOOMANYREFS WSAETOOMANYREFS +#define ETIMEDOUT WSAETIMEDOUT +#define ECONNREFUSED WSAECONNREFUSED +#define ELOOP WSAELOOP +#define EHOSTDOWN WSAEHOSTDOWN +#define EHOSTUNREACH WSAEHOSTUNREACH +#define EPROCLIM WSAEPROCLIM +#define EUSERS WSAEUSERS +#define EDQUOT WSAEDQUOT +#define ESTALE WSAESTALE +#define EREMOTE WSAEREMOTE + + +/*** + *** 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 + */ + +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); +#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 + +#ifdef ISC_PLATFORM_NEEDATON +int +isc_net_aton(const char *cp, struct in_addr *addr); +#define inet_aton isc_net_aton +#endif + +ISC_LANG_ENDDECLS + +#endif /* ISC_NET_H */ |