openssh/defines.h
2000-08-18 14:59:59 +10:00

403 lines
9.6 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 <sys/param.h> /* For MAXPATHLEN */
#include <sys/un.h> /* For SUN_LEN */
#include <netinet/in_systm.h> /* For typedefs */
#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_LIMITS_H
# include <limits.h> /* For PATH_MAX */
#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
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h> /* For S_* constants and macros */
#endif
#include <unistd.h> /* For STDIN_FILENO, etc */
/* 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 */
#ifndef MAXPATHLEN
# ifdef PATH_MAX
# define MAXPATHLEN PATH_MAX
# else /* PATH_MAX */
# define MAXPATHLEN 64 /* Should be safe */
# endif /* PATH_MAX */
#endif /* MAXPATHLEN */
#ifndef STDIN_FILENO
# define STDIN_FILENO 0
#endif
#ifndef STDOUT_FILENO
# define STDOUT_FILENO 1
#endif
#ifndef STDERR_FILENO
# define STDERR_FILENO 2
#endif
#ifndef S_ISREG
# define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
# define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
#endif /* S_ISREG */
#ifndef S_IXUSR
# define S_IXUSR 0000100 /* execute/search permission, */
# define S_IXGRP 0000010 /* execute/search permission, */
# define S_IXOTH 0000001 /* execute/search permission, */
# define _S_IWUSR 0000200 /* write permission, */
# define S_IWUSR _S_IWUSR /* write permission, owner */
# define S_IWGRP 0000020 /* write permission, group */
# define S_IWOTH 0000002 /* write permission, other */
# define S_IRUSR 0000400 /* read permission, owner */
# define S_IRGRP 0000040 /* read permission, group */
# define S_IROTH 0000004 /* read permission, other */
# define S_IRWXU 0000700 /* read, write, execute */
# define S_IRWXG 0000070 /* read, write, execute */
# define S_IRWXO 0000007 /* read, write, execute */
#endif /* S_IXUSR */
/* 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 */
#ifndef HAVE_SSIZE_T
typedef int ssize_t;
# define HAVE_SSIZE_T
#endif /* HAVE_SSIZE_T */
#ifndef HAVE_SA_FAMILY_T
typedef int sa_family_t;
# define HAVE_SA_FAMILY_T
#endif /* HAVE_SA_FAMILY_T */
#ifndef HAVE_PID_T
typedef int pid_t;
# define HAVE_PID_T
#endif /* HAVE_PID_T */
#ifndef HAVE_MODE_T
typedef int mode_t;
# define HAVE_MODE_T
#endif /* HAVE_MODE_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 */
#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 MAIL_DIRECTORY
# define MAIL_DIRECTORY "/var/spool/mail"
#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) */
#ifndef SUN_LEN
#define SUN_LEN(su) \
(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
#endif /* SUN_LEN */
/* 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) */
#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
# define memmove(s1, s2, n) bcopy((s2), (s1), (n))
#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
#if !defined(HAVE_ATEXIT) && defined(HAVE_ON_EXIT)
# define atexit(a) on_exit(a)
#endif /* !defined(HAVE_ATEXIT) && defined(HAVE_ON_EXIT) */
/**
** login recorder definitions
**/
/* preprocess */
#ifdef HAVE_UTMP_H
# ifdef HAVE_TIME_IN_UTMP
# include <time.h>
# endif
# include <utmp.h>
#endif
#ifdef HAVE_UTMPX_H
# ifdef HAVE_TV_IN_UTMPX
# include <sys/time.h>
# endif
# include <utmpx.h>
#endif
#ifdef HAVE_LASTLOG_H
# include <lastlog.h>
#endif
#ifdef HAVE_PATHS_H
# include <paths.h>
#endif
/* FIXME: put default paths back in */
#ifndef UTMP_FILE
# ifdef _PATH_UTMP
# define UTMP_FILE _PATH_UTMP
# else
# ifdef CONF_UTMP_FILE
# define UTMP_FILE CONF_UTMP_FILE
# endif
# endif
#endif
#ifndef WTMP_FILE
# ifdef _PATH_WTMP
# define WTMP_FILE _PATH_WTMP
# else
# ifdef CONF_WTMP_FILE
# define WTMP_FILE CONF_WTMP_FILE
# endif
# endif
#endif
/* pick up the user's location for lastlog if given */
#ifndef LASTLOG_FILE
# ifdef _PATH_LASTLOG
# define LASTLOG_FILE _PATH_LASTLOG
# else
# ifdef CONF_LASTLOG_FILE
# define LASTLOG_FILE CONF_LASTLOG_FILE
# endif
# endif
#endif
/* The login() library function in libutil is first choice */
#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
# define USE_LOGIN
#else
/* Simply select your favourite login types. */
/* Can't do if-else because some systems use several... <sigh> */
# if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
# define USE_UTMPX
# endif
# if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
# define USE_UTMP
# endif
# if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
# define USE_WTMPX
# endif
# if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
# define USE_WTMP
# endif
#endif
/* I hope that the presence of LASTLOG_FILE is enough to detect this */
#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
# define USE_LASTLOG
#endif
/* which type of time to use? (api.c) */
#ifdef HAVE_SYS_TIME_H
# define USE_TIMEVAL
#endif
/** end of login recorder definitions */
#endif /* _DEFINES_H */