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Diffstat (limited to 'lib/isc/win32/include/isc/net.h')
| -rw-r--r-- | lib/isc/win32/include/isc/net.h | 402 |
1 files changed, 402 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..391614e --- /dev/null +++ b/lib/isc/win32/include/isc/net.h @@ -0,0 +1,402 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * 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 https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_NET_H +#define ISC_NET_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_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 /* ifndef _WINSOCKAPI_ */ + +#include <winsock2.h> +#include <ws2tcpip.h> + +#include <isc/ipv6.h> +#include <isc/lang.h> +#include <isc/types.h> + +#include <sys/types.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_ANY */ + +#ifndef INADDR_LOOPBACK +#define INADDR_LOOPBACK 0x7f000001UL +#endif /* ifndef INADDR_LOOPBACK */ + +#if _MSC_VER < 1300 +#define in6addr_any isc_in6addr_any +#define in6addr_loopback isc_in6addr_loopback +#endif /* if _MSC_VER < 1300 */ + +/* + * Ensure type in_port_t is defined. + */ +typedef uint16_t in_port_t; + +/* + * 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 /* ifndef MSG_TRUNC */ + +#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 EWOULDBLOCK */ +#ifndef EINPROGRESS +#define EINPROGRESS WSAEINPROGRESS +#endif /* ifndef EINPROGRESS */ +#ifndef EALREADY +#define EALREADY WSAEALREADY +#endif /* ifndef EALREADY */ +#ifndef ENOTSOCK +#define ENOTSOCK WSAENOTSOCK +#endif /* ifndef ENOTSOCK */ +#ifndef EDESTADDRREQ +#define EDESTADDRREQ WSAEDESTADDRREQ +#endif /* ifndef EDESTADDRREQ */ +#ifndef EMSGSIZE +#define EMSGSIZE WSAEMSGSIZE +#endif /* ifndef EMSGSIZE */ +#ifndef EPROTOTYPE +#define EPROTOTYPE WSAEPROTOTYPE +#endif /* ifndef EPROTOTYPE */ +#ifndef ENOPROTOOPT +#define ENOPROTOOPT WSAENOPROTOOPT +#endif /* ifndef ENOPROTOOPT */ +#ifndef EPROTONOSUPPORT +#define EPROTONOSUPPORT WSAEPROTONOSUPPORT +#endif /* ifndef EPROTONOSUPPORT */ +#ifndef ESOCKTNOSUPPORT +#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT +#endif /* ifndef ESOCKTNOSUPPORT */ +#ifndef EOPNOTSUPP +#define EOPNOTSUPP WSAEOPNOTSUPP +#endif /* ifndef EOPNOTSUPP */ +#ifndef EPFNOSUPPORT +#define EPFNOSUPPORT WSAEPFNOSUPPORT +#endif /* ifndef EPFNOSUPPORT */ +#ifndef EAFNOSUPPORT +#define EAFNOSUPPORT WSAEAFNOSUPPORT +#endif /* ifndef EAFNOSUPPORT */ +#ifndef EADDRINUSE +#define EADDRINUSE WSAEADDRINUSE +#endif /* ifndef EADDRINUSE */ +#ifndef EADDRNOTAVAIL +#define EADDRNOTAVAIL WSAEADDRNOTAVAIL +#endif /* ifndef EADDRNOTAVAIL */ +#ifndef ENETDOWN +#define ENETDOWN WSAENETDOWN +#endif /* ifndef ENETDOWN */ +#ifndef ENETUNREACH +#define ENETUNREACH WSAENETUNREACH +#endif /* ifndef ENETUNREACH */ +#ifndef ENETRESET +#define ENETRESET WSAENETRESET +#endif /* ifndef ENETRESET */ +#ifndef ECONNABORTED +#define ECONNABORTED WSAECONNABORTED +#endif /* ifndef ECONNABORTED */ +#ifndef ECONNRESET +#define ECONNRESET WSAECONNRESET +#endif /* ifndef ECONNRESET */ +#ifndef ENOBUFS +#define ENOBUFS WSAENOBUFS +#endif /* ifndef ENOBUFS */ +#ifndef EISCONN +#define EISCONN WSAEISCONN +#endif /* ifndef EISCONN */ +#ifndef ENOTCONN +#define ENOTCONN WSAENOTCONN +#endif /* ifndef ENOTCONN */ +#ifndef ESHUTDOWN +#define ESHUTDOWN WSAESHUTDOWN +#endif /* ifndef ESHUTDOWN */ +#ifndef ETOOMANYREFS +#define ETOOMANYREFS WSAETOOMANYREFS +#endif /* ifndef ETOOMANYREFS */ +#ifndef ETIMEDOUT +#define ETIMEDOUT WSAETIMEDOUT +#endif /* ifndef ETIMEDOUT */ +#ifndef ECONNREFUSED +#define ECONNREFUSED WSAECONNREFUSED +#endif /* ifndef ECONNREFUSED */ +#ifndef ELOOP +#define ELOOP WSAELOOP +#endif /* ifndef ELOOP */ +#ifndef EHOSTDOWN +#define EHOSTDOWN WSAEHOSTDOWN +#endif /* ifndef EHOSTDOWN */ +#ifndef EHOSTUNREACH +#define EHOSTUNREACH WSAEHOSTUNREACH +#endif /* ifndef EHOSTUNREACH */ +#ifndef EPROCLIM +#define EPROCLIM WSAEPROCLIM +#endif /* ifndef EPROCLIM */ +#ifndef EUSERS +#define EUSERS WSAEUSERS +#endif /* ifndef EUSERS */ +#ifndef EDQUOT +#define EDQUOT WSAEDQUOT +#endif /* ifndef EDQUOT */ +#ifndef ESTALE +#define ESTALE WSAESTALE +#endif /* ifndef ESTALE */ +#ifndef EREMOTE +#define EREMOTE WSAEREMOTE +#endif /* ifndef EREMOTE */ + +/*** + *** 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. + */ + +ISC_LANG_ENDDECLS + +#endif /* ISC_NET_H */ |