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Diffstat (limited to 'includes/osdep.h')
| -rw-r--r-- | includes/osdep.h | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/includes/osdep.h b/includes/osdep.h new file mode 100644 index 0000000..a8d8bb7 --- /dev/null +++ b/includes/osdep.h @@ -0,0 +1,293 @@ +/* osdep.h + + Operating system dependencies... */ + +/* + * Copyright (c) 2004-2005,2007-2010 by Internet Systems Consortium, + * Inc. ("ISC") + * Copyright (c) 1996-2003 by Internet Software Consortium + * + * Permission to use, copy, modify, and 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. + * + * Internet Systems Consortium, Inc. + * 950 Charter Street + * Redwood City, CA 94063 + * <info@isc.org> + * https://www.isc.org/ + * + * This software has been written for Internet Systems Consortium + * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc. + * To learn more about Internet Systems Consortium, see + * ``https://www.isc.org/''. To learn more about Vixie Enterprises, + * see ``http://www.vix.com''. To learn more about Nominum, Inc., see + * ``http://www.nominum.com''. + */ + +#if !defined (__ISC_DHCP_OSDEP_H__) +#define __ISC_DHCP_OSDEP_H__ + +#include "site.h" + +#include "config.h" + +#include <inttypes.h> + +#ifndef LITTLE_ENDIAN +#define LITTLE_ENDIAN 1234 +#endif /* LITTLE_ENDIAN */ + +#ifndef BIG_ENDIAN +#define BIG_ENDIAN 4321 +#endif /* BIG_ENDIAN */ + +#ifndef BYTE_ORDER +#define BYTE_ORDER DHCP_BYTE_ORDER +#endif /* BYTE_ORDER */ + +/* Porting:: + + If you add a new network API, you must add a check for it below: */ + +#if !defined (USE_SOCKETS) && \ + !defined (USE_SOCKET_SEND) && \ + !defined (USE_SOCKET_RECEIVE) && \ + !defined (USE_RAW_SOCKETS) && \ + !defined (USE_RAW_SEND) && \ + !defined (USE_SOCKET_RECEIVE) && \ + !defined (USE_BPF) && \ + !defined (USE_BPF_SEND) && \ + !defined (USE_BPF_RECEIVE) && \ + !defined (USE_LPF) && \ + !defined (USE_LPF_SEND) && \ + !defined (USE_LPF_RECEIVE) && \ + !defined (USE_NIT) && \ + !defined (USE_NIT_SEND) && \ + !defined (USE_NIT_RECEIVE) && \ + !defined (USE_DLPI_SEND) && \ + !defined (USE_DLPI_RECEIVE) +/* Determine default socket API to USE. */ +# if defined(HAVE_BPF) +# define USE_BPF 1 +# elif defined(HAVE_LPF) +# define USE_LPF 1 +# elif defined(HAVE_DLPI) +# define USE_DLPI 1 +# endif +#endif + +#if !defined (TIME_MAX) +# define TIME_MAX 2147483647 +#endif + +/* snprintf/vsnprintf hacks. for systems with no libc versions only. */ +#ifdef NO_SNPRINTF + extern int isc_print_snprintf(char *, size_t, const char *, ...); + extern int isc_print_vsnprintf(char *, size_t, const char *, va_list ap); +# define snprintf isc_print_snprintf +# define vsnprintf isc_print_vsnprintf +#endif + +/* Porting:: + + If you add a new network API, and have it set up so that it can be + used for sending or receiving, but doesn't have to be used for both, + then set up an ifdef like the ones below: */ + +#ifdef USE_SOCKETS +# define USE_SOCKET_SEND +# define USE_SOCKET_RECEIVE +# if defined(HAVE_DLPI) +# define USE_DLPI_HWADDR +# endif +#endif + +#ifdef USE_RAW_SOCKETS +# define USE_RAW_SEND +# define USE_SOCKET_RECEIVE +#endif + +#ifdef USE_BPF +# define USE_BPF_SEND +# define USE_BPF_RECEIVE +#endif + +#ifdef USE_LPF +# define USE_LPF_SEND +# define USE_LPF_RECEIVE +#endif + +#ifdef USE_NIT +# define USE_NIT_SEND +# define USE_NIT_RECEIVE +#endif + +#ifdef USE_DLPI +# define USE_DLPI_SEND +# define USE_DLPI_RECEIVE +#endif + +#ifdef USE_UPF +# define USE_UPF_SEND +# define USE_UPF_RECEIVE +#endif + +/* Porting:: + + If you add support for sending packets directly out an interface, + and your support does not do ARP or routing, you must use a fallback + mechanism to deal with packets that need to be sent to routers. + Currently, all low-level packet interfaces use BSD sockets as a + fallback. */ + +#if defined (USE_BPF_SEND) || defined (USE_NIT_SEND) || \ + defined (USE_DLPI_SEND) || defined (USE_UPF_SEND) || \ + defined (USE_LPF_SEND) || \ + (defined (USE_SOCKET_SEND) && defined (HAVE_SO_BINDTODEVICE)) +# define USE_SOCKET_FALLBACK +# define USE_FALLBACK +#endif + +/* Porting:: + + If you add support for sending packets directly out an interface + and need to be able to assemble packets, add the USE_XXX_SEND + definition for your interface to the list tested below. */ + +#if defined (USE_RAW_SEND) || defined (USE_BPF_SEND) || \ + defined (USE_NIT_SEND) || defined (USE_UPF_SEND) || \ + defined (USE_DLPI_SEND) || defined (USE_LPF_SEND) +# define PACKET_ASSEMBLY +#endif + +/* Porting:: + + If you add support for receiving packets directly from an interface + and need to be able to decode raw packets, add the USE_XXX_RECEIVE + definition for your interface to the list tested below. */ + +#if defined (USE_RAW_RECEIVE) || defined (USE_BPF_SEND) || \ + defined (USE_NIT_RECEIVE) || defined (USE_UPF_RECEIVE) || \ + defined (USE_DLPI_RECEIVE) || defined (USE_LPF_RECEIVE) +# define PACKET_DECODING +#endif + +/* If we don't have a DLPI packet filter, we have to filter in userland. + Probably not worth doing, actually. */ +#if defined (USE_DLPI_RECEIVE) && !defined (USE_DLPI_PFMOD) +# define USERLAND_FILTER +#endif + +/* jmp_buf is assumed to be a struct unless otherwise defined in the + system header. */ +#ifndef jbp_decl +# define jbp_decl(x) jmp_buf *x +#endif +#ifndef jref +# define jref(x) (&(x)) +#endif +#ifndef jdref +# define jdref(x) (*(x)) +#endif +#ifndef jrefproto +# define jrefproto jmp_buf * +#endif + +#ifndef BPF_FORMAT +# define BPF_FORMAT "/dev/bpf%d" +#endif + +#if defined (F_SETFD) && !defined (HAVE_SETFD) +# define HAVE_SETFD +#endif + +#if defined (IFF_POINTOPOINT) && !defined (HAVE_IFF_POINTOPOINT) +# define HAVE_IFF_POINTOPOINT +#endif + +#if defined (AF_LINK) && !defined (HAVE_AF_LINK) +# define HAVE_AF_LINK +#endif + +#if defined (ARPHRD_TUNNEL) && !defined (HAVE_ARPHRD_TUNNEL) +# define HAVE_ARPHRD_TUNNEL +#endif + +#if defined (ARPHRD_LOOPBACK) && !defined (HAVE_ARPHRD_LOOPBACK) +# define HAVE_ARPHRD_LOOPBACK +#endif + +#if defined (ARPHRD_ROSE) && !defined (HAVE_ARPHRD_ROSE) +# define HAVE_ARPHRD_ROSE +#endif + +#if defined (ARPHRD_IRDA) && !defined (HAVE_ARPHRD_IRDA) +# define HAVE_ARPHRD_IRDA +#endif + +#if defined (ARPHRD_SIT) && !defined (HAVE_ARPHRD_SIT) +# define HAVE_ARPHRD_SIT +#endif + +#if defined (ARPHRD_IEEE1394) & !defined (HAVE_ARPHRD_IEEE1394) +# define HAVE_ARPHRD_IEEE1394 +#endif + +#if defined (ARPHRD_IEEE802) && !defined (HAVE_ARPHRD_IEEE802) +# define HAVE_ARPHRD_IEEE802 +#endif + +#if defined (ARPHRD_IEEE802_TR) && !defined (HAVE_ARPHRD_IEEE802_TR) +# define HAVE_ARPHRD_IEEE802_TR +#endif + +#if defined (ARPHRD_FDDI) && !defined (HAVE_ARPHRD_FDDI) +# define HAVE_ARPHRD_FDDI +#endif + +#if defined (ARPHRD_AX25) && !defined (HAVE_ARPHRD_AX25) +# define HAVE_ARPHRD_AX25 +#endif + +#if defined (ARPHRD_NETROM) && !defined (HAVE_ARPHRD_NETROM) +# define HAVE_ARPHRD_NETROM +#endif + +#if defined (ARPHRD_METRICOM) && !defined (HAVE_ARPHRD_METRICOM) +# define HAVE_ARPHRD_METRICOM +#endif + +#if defined (SO_BINDTODEVICE) && !defined (HAVE_SO_BINDTODEVICE) +# define HAVE_SO_BINDTODEVICE +#endif + +#if defined (AF_LINK) && !defined (HAVE_AF_LINK) +# define HAVE_AF_LINK +#endif + +/* Linux needs to define SHUT_* in /usr/include/sys/socket.h someday... */ +#if !defined (SHUT_RD) +# define SHUT_RD 0 +#endif + +#if !defined (SOCKLEN_T) +# define SOCKLEN_T socklen_t +#elif defined(_AIX) +#undef SOCKLEN_T +#define SOCKLEN_T socklen_t +#endif + +#if !defined (STDERR_FILENO) +# define STDERR_FILENO 2 +#endif + +#endif /* __ISC_DHCP_OSDEP_H__ */ |