openssh/defines.h

284 lines
6.2 KiB
C

#ifndef _DEFINES_H
#define _DEFINES_H
/* Necessary headers */
#include <sys/types.h> /* For [u]intxx_t */
#include <sys/socket.h> /* For SHUT_XXXX */
#include <netinet/in.h> /* For IPv6 macros */
#include <netinet/ip.h> /* For IPTOS macros */
#ifdef HAVE_SYS_BITYPES_H
# include <sys/bitypes.h> /* For u_intXX_t */
#endif
#ifdef HAVE_PATHS_H
# include <paths.h> /* For _PATH_XXX */
#endif
#ifdef HAVE_UTMP_H
# include <utmp.h> /* For _PATH_XXX */
#endif
#if defined(HAVE_UTMPX_H) && defined(USE_UTMPX)
# include <utmpx.h> /* For _PATH_XXX */
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h> /* For timersub */
#endif
#ifdef HAVE_MAILLOCK_H
# include <maillock.h> /* For _PATH_MAILDIR */
#endif
#ifdef HAVE_SYS_CDEFS_H
# include <sys/cdefs.h> /* For __P() */
#endif
#ifdef HAVE_SYS_SYSMACROS_H
# include <sys/sysmacros.h> /* For MIN, MAX, etc */
#endif
/* Constants */
#ifndef SHUT_RDWR
enum
{
SHUT_RD = 0, /* No more receptions. */
SHUT_WR, /* No more transmissions. */
SHUT_RDWR /* No more receptions or transmissions. */
};
# define SHUT_RD SHUT_RD
# define SHUT_WR SHUT_WR
# define SHUT_RDWR SHUT_RDWR
#endif
#ifndef IPTOS_LOWDELAY
# define IPTOS_LOWDELAY 0x10
# define IPTOS_THROUGHPUT 0x08
# define IPTOS_RELIABILITY 0x04
# define IPTOS_LOWCOST 0x02
# define IPTOS_MINCOST IPTOS_LOWCOST
#endif /* IPTOS_LOWDELAY */
/* Types */
/* If sys/types.h does not supply intXX_t, supply them ourselves */
/* (or die trying) */
#ifndef HAVE_INTXX_T
# if (SIZEOF_CHAR == 1)
typedef char int8_t;
# else
# error "8 bit int type not found."
# endif
# if (SIZEOF_SHORT_INT == 2)
typedef short int int16_t;
# else
# error "16 bit int type not found."
# endif
# if (SIZEOF_INT == 4)
typedef int int32_t;
# else
# error "32 bit int type not found."
# endif
/*
# if (SIZEOF_LONG_INT == 8)
typedef long int int64_t;
# else
# if (SIZEOF_LONG_LONG_INT == 8)
typedef long long int int64_t;
# define HAVE_INTXX_T 1
# else
# error "64 bit int type not found."
# endif
# endif
*/
#endif
/* If sys/types.h does not supply u_intXX_t, supply them ourselves */
#ifndef HAVE_U_INTXX_T
# ifdef HAVE_UINTXX_T
typedef uint8_t u_int8_t;
typedef uint16_t u_int16_t;
typedef uint32_t u_int32_t;
/*
typedef uint64_t u_int64_t;
*/
# define HAVE_U_INTXX_T 1
# else
# if (SIZEOF_CHAR == 1)
typedef unsigned char u_int8_t;
# else
# error "8 bit int type not found."
# endif
# if (SIZEOF_SHORT_INT == 2)
typedef unsigned short int u_int16_t;
# else
# error "16 bit int type not found."
# endif
# if (SIZEOF_INT == 4)
typedef unsigned int u_int32_t;
# else
# error "32 bit int type not found."
# endif
/*
# if (SIZEOF_LONG_INT == 8)
typedef unsigned long int u_int64_t;
# else
# if (SIZEOF_LONG_LONG_INT == 8)
typedef unsigned long long int u_int64_t;
# define HAVE_U_INTXX_T 1
# else
# error "64 bit int type not found."
# endif
# endif
*/
# endif
#endif
#ifndef HAVE_SOCKLEN_T
typedef unsigned int socklen_t;
# define HAVE_SOCKLEN_T
#endif /* HAVE_SOCKLEN_T */
#ifndef HAVE_SIZE_T
typedef unsigned int size_t;
# define HAVE_SIZE_T
#endif /* HAVE_SIZE_T */
#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
# define ss_family __ss_family
#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
/* Paths */
/* If _PATH_LASTLOG is not defined by system headers, set it to the */
/* lastlog file detected by autoconf */
#ifndef _PATH_LASTLOG
# ifdef LASTLOG_LOCATION
# define _PATH_LASTLOG LASTLOG_LOCATION
# endif
#endif
#ifndef _PATH_UTMP
# ifdef UTMP_FILE
# define _PATH_UTMP UTMP_FILE
# else
# define _PATH_UTMP "/var/adm/utmp"
# endif
#endif
#ifndef _PATH_WTMP
# ifdef WTMP_FILE
# define _PATH_WTMP WTMP_FILE
# else
# define _PATH_WTMP "/var/adm/wtmp"
# endif
#endif
#if defined(HAVE_UTMPX_H) && defined(USE_UTMPX)
# ifndef _PATH_UTMPX
# ifdef UTMPX_FILE
# define _PATH_UTMPX UTMPX_FILE
# else
# define _PATH_UTMPX "/var/adm/utmpx"
# endif
# endif
# ifndef _PATH_WTMPX
# ifdef WTMPX_FILE
# define _PATH_WTMPX WTMPX_FILE
# else
# define _PATH_WTMPX "/var/adm/wtmp"
# endif
# endif
#endif
#ifndef _PATH_BSHELL
# define _PATH_BSHELL "/bin/sh"
#endif
#ifdef USER_PATH
# ifdef _PATH_STDPATH
# undef _PATH_STDPATH
# endif
# define _PATH_STDPATH USER_PATH
#endif
#ifndef _PATH_STDPATH
# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
#endif
#ifndef _PATH_DEVNULL
# define _PATH_DEVNULL "/dev/null"
#endif
#ifndef MAILDIR
# define MAILDIR MAIL_DIRECTORY
#endif
#if !defined(_PATH_MAILDIR) && defined(MAILDIR)
# define _PATH_MAILDIR MAILDIR
#endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
#ifndef _PATH_RSH
# ifdef RSH_PATH
# define _PATH_RSH RSH_PATH
# endif /* RSH_PATH */
#endif /* _PATH_RSH */
/* Macros */
#ifndef MAX
# define MAX(a,b) (((a)>(b))?(a):(b))
# define MIN(a,b) (((a)<(b))?(a):(b))
#endif
#ifndef timersub
#define timersub(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((result)->tv_usec < 0) { \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
} while (0)
#endif
#ifndef __P
# define __P(x) x
#endif
#if !defined(IN6_IS_ADDR_V4MAPPED)
# define IN6_IS_ADDR_V4MAPPED(a) \
((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
(((u_int32_t *) (a))[2] == htonl (0xffff)))
#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
#if !defined(__GNUC__) || (__GNUC__ < 2)
# define __attribute__(x)
#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
#if defined(HAVE_SECURITY_PAM_APPL_H) && !defined(DISABLE_PAM)
# define USE_PAM
#endif /* defined(HAVE_SECURITY_PAM_APPL_H) && !defined(DISABLE_PAM) */
/* Function replacement / compatibility hacks */
/* In older versions of libpam, pam_strerror takes a single argument */
#ifdef HAVE_OLD_PAM
# define PAM_STRERROR(a,b) pam_strerror((b))
#else
# define PAM_STRERROR(a,b) pam_strerror((a),(b))
#endif
#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
# undef HAVE_GETADDRINFO
#endif /* defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO) */
#endif /* _DEFINES_H */