/* linux.h   System dependencies for Linux.   Based on a configuration originally supplied by Jonathan Stone. *//* * Copyright (c) 2004-2005 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> *   http://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 * ``http://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''. */#include <features.h>#ifndef __BIT_TYPES_DEFINED__#define __BIT_TYPES_DEFINED__#undef __USE_BSDtypedef char int8_t;typedef short int16_t;typedef long int32_t;typedef unsigned char u_int8_t;typedef unsigned short u_int16_t;typedef unsigned long u_int32_t;#endif /* __BIT_TYPES_DEFINED__ */typedef u_int8_t u8;typedef u_int16_t u16;typedef u_int32_t u32;#include <syslog.h>#include <sys/types.h>#include <string.h>#include <errno.h>#include <unistd.h>#include <sys/wait.h>#include <signal.h>#include <setjmp.h>#include <limits.h>extern int h_errno;#include <net/if.h>#include <net/route.h>#if LINUX_MAJOR == 1# include <linux/if_arp.h># include <linux/time.h>		/* also necessary */#else# include <net/if_arp.h>#endif#include <sys/time.h>		/* gettimeofday()*//* Databases go in /var/state/dhcp.   It would also be valid to put them   in /var/state/misc - indeed, given that there's only one lease file, it   would probably be better.   However, I have some ideas for optimizing   the lease database that may result in a _lot_ of smaller files being   created, so in that context it makes more sense to have a seperate   directory. */#ifndef _PATH_DHCPD_DB#define _PATH_DHCPD_DB		"/var/state/dhcp/dhcpd.leases"#endif#ifndef _PATH_DHCLIENT_DB#define _PATH_DHCLIENT_DB	"/var/state/dhcp/dhclient.leases"#endif/* Varargs stuff... */#include <stdarg.h>#define VA_DOTDOTDOT ...#define VA_start(list, last) va_start (list, last)#define va_dcl#define VOIDPTR	void *#if defined(__alpha__) || defined(__amd64__) || defined(__ia64__) || \	defined(__sparc64__)# define PTRSIZE_64BIT#endif#define EOL	'\n'/* Time stuff... */#include <time.h>#define TIME time_t#define GET_TIME(x)	time ((x))#if (LINUX_MAJOR >= 2)# if ((LINUX_MAJOR > 2) || (LINUX_MINOR >= 1))#  if defined (USE_DEFAULT_NETWORK)#   define USE_LPF#  endif#  if !defined (__sparc__)	/* XXX hopefully this will be fixed someday */#   define SIOCGIFCONF_ZERO_PROBE#  endif#  define LINUX_SLASHPROC_DISCOVERY#  define PROCDEV_DEVICE "/proc/net/dev"#  define HAVE_ARPHRD_TUNNEL#  define HAVE_TR_SUPPORT# endif# define HAVE_ARPHRD_METRICOM# define HAVE_ARPHRD_IEEE802# define HAVE_ARPHRD_LOOPBACK# define HAVE_SO_BINDTODEVICE# define HAVE_SIOCGIFHWADDR# define HAVE_SETFD#endif#if defined (SIOCGIFHWADDR) && !defined (HAVE_SIOCGIFHWADDR)# define HAVE_SIOCGIFHWADDR#endif#if !defined (USE_LPF)# if defined (USE_DEFAULT_NETWORK)#  define USE_SOCKETS#  define SOCKET_CAN_RECEIVE_UNICAST_UNCONFIGURED# endif# define IGNORE_HOSTUNREACH#endif#define ALIAS_NAMES_PERMUTED#define SKIP_DUMMY_INTERFACES#ifdef NEED_PRAND_CONF#ifndef HAVE_DEV_RANDOM # define HAVE_DEV_RANDOM 1 #endif /* HAVE_DEV_RANDOM */const char *cmds[] = {	"/bin/ps -axlw 2>&1",	"/sbin/arp -an 2>&1",	"/bin/netstat -an 2>&1",	"/bin/df  2>&1",	"/usr/bin/dig com. soa +ti=1 +retry=0 2>&1",	"/usr/bin/uptime  2>&1",	"/bin/netstat -s 2>&1",	"/usr/bin/dig . soa +ti=1 +retry=0 2>&1",	"/usr/bin/vmstat  2>&1",	"/usr/bin/w  2>&1",	NULL};const char *dirs[] = {	"/tmp",	"/usr/tmp",	".",	"/",	"/var/spool",	"/dev",	"/var/spool/mail",	"/home",	"/usr/home",	NULL};const char *files[] = {	"/proc/stat",	"/proc/rtc",	"/proc/meminfo",	"/proc/interrupts",	"/proc/self/status",	"/var/log/messages",	"/var/log/wtmp",	"/var/log/lastlog",	NULL};#endif /* NEED_PRAND_CONF */