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	It needs to allow for the preceeding two ECN bits. From daisuke.higashi at gmail.com via OpenSSH bz#3373, ok claudio@, job@, djm@.
		
			
				
	
	
		
			946 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			946 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions
 | |
|  * are met:
 | |
|  * 1. Redistributions of source code must retain the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer.
 | |
|  * 2. Redistributions in binary form must reproduce the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer in the
 | |
|  *    documentation and/or other materials provided with the distribution.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 | |
|  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 | |
|  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 | |
|  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 | |
|  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 | |
|  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 | |
|  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 | |
|  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 | |
|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 | |
|  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 | |
|  */
 | |
| 
 | |
| #ifndef _DEFINES_H
 | |
| #define _DEFINES_H
 | |
| 
 | |
| /* Constants */
 | |
| 
 | |
| #if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
 | |
| 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
 | |
| 
 | |
| /*
 | |
|  * Cygwin doesn't really have a notion of reserved ports.  It is still
 | |
|  * is useful on the client side so for compatibility it defines as 1024 via
 | |
|  * netinet/in.h inside an enum.  We * don't actually want that restriction
 | |
|  * so we want to set that to zero, but we can't do it direct in config.h
 | |
|  * because it'll cause a conflicting definition the first time we include
 | |
|  * netinet/in.h.
 | |
|  */
 | |
| 
 | |
| #ifdef HAVE_CYGWIN
 | |
| #define IPPORT_RESERVED 0
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * Definitions for IP type of service (ip_tos)
 | |
|  */
 | |
| #include <netinet/in_systm.h>
 | |
| #include <netinet/ip.h>
 | |
| #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 */
 | |
| 
 | |
| /*
 | |
|  * Definitions for DiffServ Codepoints as per RFCs 2474, 3246, 4594 & 8622.
 | |
|  * These are the 6 most significant bits as they appear on the wire, so the
 | |
|  * two least significant bits must be zero.
 | |
|  */
 | |
| #ifndef IPTOS_DSCP_AF11
 | |
| # define	IPTOS_DSCP_AF11		0x28
 | |
| # define	IPTOS_DSCP_AF12		0x30
 | |
| # define	IPTOS_DSCP_AF13		0x38
 | |
| # define	IPTOS_DSCP_AF21		0x48
 | |
| # define	IPTOS_DSCP_AF22		0x50
 | |
| # define	IPTOS_DSCP_AF23		0x58
 | |
| # define	IPTOS_DSCP_AF31		0x68
 | |
| # define	IPTOS_DSCP_AF32		0x70
 | |
| # define	IPTOS_DSCP_AF33		0x78
 | |
| # define	IPTOS_DSCP_AF41		0x88
 | |
| # define	IPTOS_DSCP_AF42		0x90
 | |
| # define	IPTOS_DSCP_AF43		0x98
 | |
| # define	IPTOS_DSCP_EF		0xb8
 | |
| #endif /* IPTOS_DSCP_AF11 */
 | |
| #ifndef IPTOS_DSCP_CS0
 | |
| # define	IPTOS_DSCP_CS0		0x00
 | |
| # define	IPTOS_DSCP_CS1		0x20
 | |
| # define	IPTOS_DSCP_CS2		0x40
 | |
| # define	IPTOS_DSCP_CS3		0x60
 | |
| # define	IPTOS_DSCP_CS4		0x80
 | |
| # define	IPTOS_DSCP_CS5		0xa0
 | |
| # define	IPTOS_DSCP_CS6		0xc0
 | |
| # define	IPTOS_DSCP_CS7		0xe0
 | |
| #endif /* IPTOS_DSCP_CS0 */
 | |
| #ifndef IPTOS_DSCP_EF
 | |
| # define	IPTOS_DSCP_EF		0xb8
 | |
| #endif /* IPTOS_DSCP_EF */
 | |
| #ifndef IPTOS_DSCP_LE
 | |
| # define	IPTOS_DSCP_LE		0x04
 | |
| #endif /* IPTOS_DSCP_LE */
 | |
| #ifndef IPTOS_PREC_CRITIC_ECP
 | |
| # define IPTOS_PREC_CRITIC_ECP		0xa0
 | |
| #endif
 | |
| #ifndef IPTOS_PREC_INTERNETCONTROL
 | |
| # define IPTOS_PREC_INTERNETCONTROL	0xc0
 | |
| #endif
 | |
| #ifndef IPTOS_PREC_NETCONTROL
 | |
| # define IPTOS_PREC_NETCONTROL		0xe0
 | |
| #endif
 | |
| 
 | |
| #ifndef PATH_MAX
 | |
| # ifdef _POSIX_PATH_MAX
 | |
| # define PATH_MAX _POSIX_PATH_MAX
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| #ifndef MAXPATHLEN
 | |
| # ifdef PATH_MAX
 | |
| #  define MAXPATHLEN PATH_MAX
 | |
| # else /* PATH_MAX */
 | |
| #  define MAXPATHLEN 64
 | |
| # endif /* PATH_MAX */
 | |
| #endif /* MAXPATHLEN */
 | |
| 
 | |
| #ifndef HOST_NAME_MAX
 | |
| # include "netdb.h" /* for MAXHOSTNAMELEN */
 | |
| # if defined(_POSIX_HOST_NAME_MAX)
 | |
| #  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
 | |
| # elif defined(MAXHOSTNAMELEN)
 | |
| #  define HOST_NAME_MAX MAXHOSTNAMELEN
 | |
| # else
 | |
| #  define HOST_NAME_MAX	255
 | |
| # endif
 | |
| #endif /* HOST_NAME_MAX */
 | |
| 
 | |
| #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
 | |
| # define MAXSYMLINKS 5
 | |
| #endif
 | |
| 
 | |
| #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 NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
 | |
| #ifdef NGROUPS
 | |
| #define NGROUPS_MAX NGROUPS
 | |
| #else
 | |
| #define NGROUPS_MAX 0
 | |
| #endif
 | |
| #endif
 | |
| 
 | |
| #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
 | |
| # define O_NONBLOCK      00004	/* Non Blocking Open */
 | |
| #endif
 | |
| 
 | |
| #ifndef S_IFSOCK
 | |
| # define S_IFSOCK 0
 | |
| #endif /* S_IFSOCK */
 | |
| 
 | |
| #ifndef S_ISDIR
 | |
| # define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
 | |
| #endif /* S_ISDIR */
 | |
| 
 | |
| #ifndef S_ISREG
 | |
| # define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
 | |
| #endif /* S_ISREG */
 | |
| 
 | |
| #ifndef S_ISLNK
 | |
| # define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
 | |
| #endif /* S_ISLNK */
 | |
| 
 | |
| #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 */
 | |
| 
 | |
| #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 | |
| #define MAP_ANON MAP_ANONYMOUS
 | |
| #endif
 | |
| 
 | |
| #ifndef MAP_FAILED
 | |
| # define MAP_FAILED ((void *)-1)
 | |
| #endif
 | |
| 
 | |
| /*
 | |
| SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
 | |
| including rpc/rpc.h breaks Solaris 6
 | |
| */
 | |
| #ifndef INADDR_LOOPBACK
 | |
| #define INADDR_LOOPBACK ((u_long)0x7f000001)
 | |
| #endif
 | |
| 
 | |
| /* Types */
 | |
| 
 | |
| /* If sys/types.h does not supply intXX_t, supply them ourselves */
 | |
| /* (or die trying) */
 | |
| 
 | |
| #ifndef HAVE_U_INT
 | |
| typedef unsigned int u_int;
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_INTXX_T
 | |
| typedef signed char int8_t;
 | |
| # 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
 | |
| #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;
 | |
| # define HAVE_U_INTXX_T 1
 | |
| # else
 | |
| typedef unsigned char u_int8_t;
 | |
| #  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
 | |
| # endif
 | |
| #define __BIT_TYPES_DEFINED__
 | |
| #endif
 | |
| 
 | |
| #if !defined(LLONG_MIN) && defined(LONG_LONG_MIN)
 | |
| #define LLONG_MIN LONG_LONG_MIN
 | |
| #endif
 | |
| #if !defined(LLONG_MAX) && defined(LONG_LONG_MAX)
 | |
| #define LLONG_MAX LONG_LONG_MAX
 | |
| #endif
 | |
| 
 | |
| #ifndef UINT32_MAX
 | |
| # if defined(HAVE_DECL_UINT32_MAX) && (HAVE_DECL_UINT32_MAX == 0)
 | |
| #  if (SIZEOF_INT == 4)
 | |
| #    define UINT32_MAX	UINT_MAX
 | |
| #  endif
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| /* 64-bit types */
 | |
| #ifndef HAVE_INT64_T
 | |
| # if (SIZEOF_LONG_INT == 8)
 | |
| typedef long int int64_t;
 | |
| # else
 | |
| #  if (SIZEOF_LONG_LONG_INT == 8)
 | |
| typedef long long int int64_t;
 | |
| #  endif
 | |
| # endif
 | |
| #endif
 | |
| #ifndef HAVE_U_INT64_T
 | |
| # 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;
 | |
| #  endif
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_UINTXX_T
 | |
| typedef u_int8_t uint8_t;
 | |
| typedef u_int16_t uint16_t;
 | |
| typedef u_int32_t uint32_t;
 | |
| typedef u_int64_t uint64_t;
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_INTMAX_T
 | |
| typedef long long intmax_t;
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_UINTMAX_T
 | |
| typedef unsigned long long uintmax_t;
 | |
| #endif
 | |
| 
 | |
| #if SIZEOF_TIME_T == SIZEOF_LONG_LONG_INT
 | |
| # define SSH_TIME_T_MAX LLONG_MAX
 | |
| #else
 | |
| # define SSH_TIME_T_MAX INT_MAX
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_U_CHAR
 | |
| typedef unsigned char u_char;
 | |
| # define HAVE_U_CHAR
 | |
| #endif /* HAVE_U_CHAR */
 | |
| 
 | |
| #ifndef ULLONG_MAX
 | |
| # define ULLONG_MAX ((unsigned long long)-1)
 | |
| #endif
 | |
| 
 | |
| #ifndef SIZE_T_MAX
 | |
| #define SIZE_T_MAX ULONG_MAX
 | |
| #endif /* SIZE_T_MAX */
 | |
| 
 | |
| #ifndef HAVE_SIZE_T
 | |
| typedef unsigned int size_t;
 | |
| # define HAVE_SIZE_T
 | |
| # define SIZE_T_MAX UINT_MAX
 | |
| #endif /* HAVE_SIZE_T */
 | |
| 
 | |
| #ifndef SIZE_MAX
 | |
| #define SIZE_MAX SIZE_T_MAX
 | |
| #endif
 | |
| 
 | |
| #ifndef INT32_MAX
 | |
| # if (SIZEOF_INT == 4)
 | |
| #  define INT32_MAX INT_MAX
 | |
| # elif (SIZEOF_LONG == 4)
 | |
| #  define INT32_MAX LONG_MAX
 | |
| # else
 | |
| #  error "need INT32_MAX"
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| #ifndef INT64_MAX
 | |
| # if (SIZEOF_INT == 8)
 | |
| #  define INT64_MAX INT_MAX
 | |
| # elif (SIZEOF_LONG == 8)
 | |
| #  define INT64_MAX LONG_MAX
 | |
| # elif (SIZEOF_LONG_LONG_INT == 8)
 | |
| #  define INT64_MAX LLONG_MAX
 | |
| # else
 | |
| #  error "need INT64_MAX"
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_SSIZE_T
 | |
| typedef int ssize_t;
 | |
| #define SSIZE_MAX INT_MAX
 | |
| # define HAVE_SSIZE_T
 | |
| #endif /* HAVE_SSIZE_T */
 | |
| 
 | |
| #ifndef HAVE_CLOCK_T
 | |
| typedef long clock_t;
 | |
| # define HAVE_CLOCK_T
 | |
| #endif /* HAVE_CLOCK_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_SIG_ATOMIC_T
 | |
| typedef int sig_atomic_t;
 | |
| # define HAVE_SIG_ATOMIC_T
 | |
| #endif /* HAVE_SIG_ATOMIC_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) */
 | |
| 
 | |
| #ifndef HAVE_SYS_UN_H
 | |
| struct	sockaddr_un {
 | |
| 	short	sun_family;		/* AF_UNIX */
 | |
| 	char	sun_path[108];		/* path name (gag) */
 | |
| };
 | |
| #endif /* HAVE_SYS_UN_H */
 | |
| 
 | |
| #ifndef HAVE_IN_ADDR_T
 | |
| typedef u_int32_t	in_addr_t;
 | |
| #endif
 | |
| #ifndef HAVE_IN_PORT_T
 | |
| typedef u_int16_t	in_port_t;
 | |
| #endif
 | |
| 
 | |
| #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 | |
| #define _STRUCT_WINSIZE
 | |
| struct winsize {
 | |
|       unsigned short ws_row;          /* rows, in characters */
 | |
|       unsigned short ws_col;          /* columns, in character */
 | |
|       unsigned short ws_xpixel;       /* horizontal size, pixels */
 | |
|       unsigned short ws_ypixel;       /* vertical size, pixels */
 | |
| };
 | |
| #endif
 | |
| 
 | |
| /* bits needed for select that may not be in the system headers */
 | |
| #ifndef HAVE_FD_MASK
 | |
|  typedef unsigned long int	fd_mask;
 | |
| #endif
 | |
| 
 | |
| #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
 | |
| # define	NFDBITS (8 * sizeof(unsigned long))
 | |
| #endif
 | |
| 
 | |
| #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
 | |
| # define howmany(x,y)	(((x)+((y)-1))/(y))
 | |
| #endif
 | |
| 
 | |
| /* 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 SUPERUSER_PATH
 | |
| # define SUPERUSER_PATH	_PATH_STDPATH
 | |
| #endif
 | |
| 
 | |
| #ifndef _PATH_DEVNULL
 | |
| # define _PATH_DEVNULL "/dev/null"
 | |
| #endif
 | |
| 
 | |
| /* user may have set a different path */
 | |
| #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
 | |
| # undef _PATH_MAILDIR
 | |
| #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
 | |
| 
 | |
| #ifdef MAIL_DIRECTORY
 | |
| # define _PATH_MAILDIR MAIL_DIRECTORY
 | |
| #endif
 | |
| 
 | |
| #ifndef _PATH_NOLOGIN
 | |
| # define _PATH_NOLOGIN "/etc/nologin"
 | |
| #endif
 | |
| 
 | |
| /* Define this to be the path of the xauth program. */
 | |
| #ifdef XAUTH_PATH
 | |
| #define _PATH_XAUTH XAUTH_PATH
 | |
| #endif /* XAUTH_PATH */
 | |
| 
 | |
| /* derived from XF4/xc/lib/dps/Xlibnet.h */
 | |
| #ifndef X_UNIX_PATH
 | |
| #  ifdef __hpux
 | |
| #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 | |
| #  else
 | |
| #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 | |
| #  endif
 | |
| #endif /* X_UNIX_PATH */
 | |
| #define _PATH_UNIX_X X_UNIX_PATH
 | |
| 
 | |
| #ifndef _PATH_TTY
 | |
| # define _PATH_TTY "/dev/tty"
 | |
| #endif
 | |
| 
 | |
| /* Macros */
 | |
| 
 | |
| #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 | |
| # define HAVE_LOGIN_CAP
 | |
| #endif
 | |
| 
 | |
| #ifndef MAX
 | |
| # define MAX(a,b) (((a)>(b))?(a):(b))
 | |
| # define MIN(a,b) (((a)<(b))?(a):(b))
 | |
| #endif
 | |
| 
 | |
| #ifndef roundup
 | |
| # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 | |
| #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 TIMEVAL_TO_TIMESPEC
 | |
| #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
 | |
| 	(ts)->tv_sec = (tv)->tv_sec;					\
 | |
| 	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #ifndef TIMESPEC_TO_TIMEVAL
 | |
| #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
 | |
| 	(tv)->tv_sec = (ts)->tv_sec;					\
 | |
| 	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
 | |
| }
 | |
| #endif
 | |
| 
 | |
| #ifndef timespeccmp
 | |
| #define timespeccmp(tsp, usp, cmp)					\
 | |
| 	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
 | |
| 	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
 | |
| 	    ((tsp)->tv_sec cmp (usp)->tv_sec))
 | |
| #endif
 | |
| 
 | |
| /* Operations on timespecs. */
 | |
| #ifndef timespecclear
 | |
| #define	timespecclear(tsp)		(tsp)->tv_sec = (tsp)->tv_nsec = 0
 | |
| #endif
 | |
| #ifndef timespeccmp
 | |
| #define	timespeccmp(tsp, usp, cmp)					\
 | |
| 	(((tsp)->tv_sec == (usp)->tv_sec) ?				\
 | |
| 	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\
 | |
| 	    ((tsp)->tv_sec cmp (usp)->tv_sec))
 | |
| #endif
 | |
| #ifndef timespecadd
 | |
| #define	timespecadd(tsp, usp, vsp)					\
 | |
| 	do {								\
 | |
| 		(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;		\
 | |
| 		(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;	\
 | |
| 		if ((vsp)->tv_nsec >= 1000000000L) {			\
 | |
| 			(vsp)->tv_sec++;				\
 | |
| 			(vsp)->tv_nsec -= 1000000000L;			\
 | |
| 		}							\
 | |
| 	} while (0)
 | |
| #endif
 | |
| #ifndef timespecsub
 | |
| #define	timespecsub(tsp, usp, vsp)					\
 | |
| 	do {								\
 | |
| 		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\
 | |
| 		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\
 | |
| 		if ((vsp)->tv_nsec < 0) {				\
 | |
| 			(vsp)->tv_sec--;				\
 | |
| 			(vsp)->tv_nsec += 1000000000L;			\
 | |
| 		}							\
 | |
| 	} 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_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 | |
| # define __sentinel__
 | |
| #endif
 | |
| 
 | |
| #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 | |
| # define __bounded__(x, y, z)
 | |
| #endif
 | |
| 
 | |
| #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 | |
| # define __nonnull__(x)
 | |
| #endif
 | |
| 
 | |
| #ifndef OSSH_ALIGNBYTES
 | |
| #define OSSH_ALIGNBYTES	(sizeof(int) - 1)
 | |
| #endif
 | |
| #ifndef __CMSG_ALIGN
 | |
| #define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 | |
| #endif
 | |
| 
 | |
| /* Length of the contents of a control message of length len */
 | |
| #ifndef CMSG_LEN
 | |
| #define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 | |
| #endif
 | |
| 
 | |
| /* Length of the space taken up by a padded control message of length len */
 | |
| #ifndef CMSG_SPACE
 | |
| #define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 | |
| #endif
 | |
| 
 | |
| /* given pointer to struct cmsghdr, return pointer to data */
 | |
| #ifndef CMSG_DATA
 | |
| #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 | |
| #endif /* CMSG_DATA */
 | |
| 
 | |
| /*
 | |
|  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 | |
|  * an empty list for some reasons.
 | |
|  */
 | |
| #ifndef CMSG_FIRSTHDR
 | |
| #define CMSG_FIRSTHDR(mhdr) \
 | |
| 	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 | |
| 	 (struct cmsghdr *)(mhdr)->msg_control : \
 | |
| 	 (struct cmsghdr *)NULL)
 | |
| #endif /* CMSG_FIRSTHDR */
 | |
| 
 | |
| #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 | |
| # define offsetof(type, member) ((size_t) &((type *)0)->member)
 | |
| #endif
 | |
| 
 | |
| /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 | |
| /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 | |
| #ifndef BYTE_ORDER
 | |
| # ifndef LITTLE_ENDIAN
 | |
| #  define LITTLE_ENDIAN  1234
 | |
| # endif /* LITTLE_ENDIAN */
 | |
| # ifndef BIG_ENDIAN
 | |
| #  define BIG_ENDIAN     4321
 | |
| # endif /* BIG_ENDIAN */
 | |
| # ifdef WORDS_BIGENDIAN
 | |
| #  define BYTE_ORDER BIG_ENDIAN
 | |
| # else /* WORDS_BIGENDIAN */
 | |
| #  define BYTE_ORDER LITTLE_ENDIAN
 | |
| # endif /* WORDS_BIGENDIAN */
 | |
| #endif /* BYTE_ORDER */
 | |
| 
 | |
| /* Function replacement / compatibility hacks */
 | |
| 
 | |
| #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 | |
| # define HAVE_GETADDRINFO
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_GETOPT_OPTRESET
 | |
| # undef getopt
 | |
| # undef opterr
 | |
| # undef optind
 | |
| # undef optopt
 | |
| # undef optreset
 | |
| # undef optarg
 | |
| # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 | |
| # define opterr             BSDopterr
 | |
| # define optind             BSDoptind
 | |
| # define optopt             BSDoptopt
 | |
| # define optreset           BSDoptreset
 | |
| # define optarg             BSDoptarg
 | |
| #endif
 | |
| 
 | |
| #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 | |
| # undef HAVE_GETADDRINFO
 | |
| #endif
 | |
| #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 | |
| # undef HAVE_FREEADDRINFO
 | |
| #endif
 | |
| #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 | |
| # undef HAVE_GAI_STRERROR
 | |
| #endif
 | |
| 
 | |
| #if defined(HAVE_GETADDRINFO)
 | |
| # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
 | |
| #   define AI_NUMERICSERV	0
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 | |
| # undef HAVE_UPDWTMPX
 | |
| #endif
 | |
| 
 | |
| #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 | |
| # undef HAS_SHADOW_EXPIRE
 | |
| #endif
 | |
| 
 | |
| #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 | |
|     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 | |
| # define DO_LOG_SAFE_IN_SIGHAND
 | |
| #endif
 | |
| 
 | |
| #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 | |
| # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 | |
| #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 | |
| 
 | |
| #ifndef GETPGRP_VOID
 | |
| # include <unistd.h>
 | |
| # define getpgrp() getpgrp(0)
 | |
| #endif
 | |
| 
 | |
| #ifdef USE_BSM_AUDIT
 | |
| # define SSH_AUDIT_EVENTS
 | |
| # define CUSTOM_SSH_AUDIT_EVENTS
 | |
| #endif
 | |
| 
 | |
| #ifdef USE_LINUX_AUDIT
 | |
| # define SSH_AUDIT_EVENTS
 | |
| # define CUSTOM_SSH_AUDIT_EVENTS
 | |
| #endif
 | |
| 
 | |
| #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 | |
| #  define __func__ __FUNCTION__
 | |
| #elif !defined(HAVE___func__)
 | |
| #  define __func__ ""
 | |
| #endif
 | |
| 
 | |
| #if defined(KRB5) && !defined(HEIMDAL)
 | |
| #  define krb5_get_err_text(context,code) error_message(code)
 | |
| #endif
 | |
| 
 | |
| /* Maximum number of file descriptors available */
 | |
| #ifdef HAVE_SYSCONF
 | |
| # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 | |
| #else
 | |
| # define SSH_SYSFDMAX 10000
 | |
| #endif
 | |
| 
 | |
| #ifdef FSID_HAS_VAL
 | |
| /* encode f_fsid into a 64 bit value  */
 | |
| #define FSID_TO_ULONG(f) \
 | |
| 	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
 | |
| 	    ((f).val[1] & 0xffffffffUL))
 | |
| #elif defined(FSID_HAS___VAL)
 | |
| #define FSID_TO_ULONG(f) \
 | |
| 	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
 | |
| 	    ((f).__val[1] & 0xffffffffUL))
 | |
| #else
 | |
| # define FSID_TO_ULONG(f) ((f))
 | |
| #endif
 | |
| 
 | |
| #if defined(__Lynx__)
 | |
|  /*
 | |
|   * LynxOS defines these in param.h which we do not want to include since
 | |
|   * it will also pull in a bunch of kernel definitions.
 | |
|   */
 | |
| # define ALIGNBYTES (sizeof(int) - 1)
 | |
| # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 | |
|   /* Missing prototypes on LynxOS */
 | |
|   int snprintf (char *, size_t, const char *, ...);
 | |
|   int mkstemp (char *);
 | |
|   char *crypt (const char *, const char *);
 | |
|   int seteuid (uid_t);
 | |
|   int setegid (gid_t);
 | |
|   char *mkdtemp (char *);
 | |
|   int rresvport_af (int *, sa_family_t);
 | |
|   int innetgr (const char *, const char *, const char *, const char *);
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * Define this to use pipes instead of socketpairs for communicating with the
 | |
|  * client program.  Socketpairs do not seem to work on all systems.
 | |
|  *
 | |
|  * configure.ac sets this for a few OS's which are known to have problems
 | |
|  * but you may need to set it yourself
 | |
|  */
 | |
| /* #define USE_PIPES 1 */
 | |
| 
 | |
| /**
 | |
|  ** login recorder definitions
 | |
|  **/
 | |
| 
 | |
| /* 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
 | |
| 
 | |
| #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 | |
| # define USE_SHADOW
 | |
| #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(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
 | |
| 
 | |
| #ifndef UT_LINESIZE
 | |
| # define UT_LINESIZE 8
 | |
| #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
 | |
| 
 | |
| #ifdef HAVE_OSF_SIA
 | |
| # ifdef USE_SHADOW
 | |
| #  undef USE_SHADOW
 | |
| # endif
 | |
| # define CUSTOM_SYS_AUTH_PASSWD 1
 | |
| #endif
 | |
| 
 | |
| #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
 | |
| # define CUSTOM_SYS_AUTH_PASSWD 1
 | |
| #endif
 | |
| #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 | |
| # define USE_LIBIAF
 | |
| #endif
 | |
| 
 | |
| /* HP-UX 11.11 */
 | |
| #ifdef BTMP_FILE
 | |
| # define _PATH_BTMP BTMP_FILE
 | |
| #endif
 | |
| 
 | |
| #if defined(USE_BTMP) && defined(_PATH_BTMP)
 | |
| # define CUSTOM_FAILED_LOGIN
 | |
| #endif
 | |
| 
 | |
| /** end of login recorder definitions */
 | |
| 
 | |
| #ifdef BROKEN_GETGROUPS
 | |
| # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 | |
| #endif
 | |
| 
 | |
| #ifndef IOV_MAX
 | |
| # if defined(_XOPEN_IOV_MAX)
 | |
| #  define	IOV_MAX		_XOPEN_IOV_MAX
 | |
| # elif defined(DEF_IOV_MAX)
 | |
| #  define	IOV_MAX		DEF_IOV_MAX
 | |
| # else
 | |
| #  define	IOV_MAX		16
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| #ifndef EWOULDBLOCK
 | |
| # define EWOULDBLOCK EAGAIN
 | |
| #endif
 | |
| 
 | |
| #ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
 | |
| #define INET6_ADDRSTRLEN 46
 | |
| #endif
 | |
| 
 | |
| #ifndef SSH_IOBUFSZ
 | |
| # define SSH_IOBUFSZ 8192
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * We want functions in openbsd-compat, if enabled, to override system ones.
 | |
|  * We no-op out the weak symbol definition rather than remove it to reduce
 | |
|  * future sync problems.  Some compilers (eg Unixware) do not allow an
 | |
|  * empty statement, so we use a bogus function declaration.
 | |
|  */
 | |
| #define DEF_WEAK(x)	void __ssh_compat_weak_##x(void)
 | |
| 
 | |
| /*
 | |
|  * Platforms that have arc4random_uniform() and not arc4random_stir()
 | |
|  * shouldn't need the latter.
 | |
|  */
 | |
| #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
 | |
|     !defined(HAVE_ARC4RANDOM_STIR)
 | |
| # define arc4random_stir()
 | |
| #endif
 | |
| 
 | |
| #ifndef HAVE_VA_COPY
 | |
| # ifdef HAVE___VA_COPY
 | |
| #  define va_copy(dest, src) __va_copy(dest, src)
 | |
| # else
 | |
| #  define va_copy(dest, src) (dest) = (src)
 | |
| # endif
 | |
| #endif
 | |
| 
 | |
| #ifndef __predict_true
 | |
| # if defined(__GNUC__) && \
 | |
|      ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
 | |
| #  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
 | |
| #  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
 | |
| # else
 | |
| #  define __predict_true(exp)     ((exp) != 0)
 | |
| #  define __predict_false(exp)    ((exp) != 0)
 | |
| # endif /* gcc version */
 | |
| #endif /* __predict_true */
 | |
| 
 | |
| #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
 | |
|     defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
 | |
|     defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
 | |
|     !defined(BROKEN_GLOB)
 | |
| # define USE_SYSTEM_GLOB
 | |
| #endif
 | |
| 
 | |
| /*
 | |
|  * sntrup761 uses variable length arrays and c99-style declarations after code,
 | |
|  * so only enable if the compiler supports them.
 | |
|  */
 | |
| #if defined(VARIABLE_LENGTH_ARRAYS) && defined(VARIABLE_DECLARATION_AFTER_CODE)
 | |
| # define USE_SNTRUP761X25519 1
 | |
| #endif
 | |
| #endif /* _DEFINES_H */
 |