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      1 /*
      2  * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #ifndef _DEFINES_H
     26 #define _DEFINES_H
     27 
     28 /* $Id: defines.h,v 1.167 2011/06/03 01:17:49 tim Exp $ */
     29 
     30 
     31 /* Constants */
     32 
     33 #if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0
     34 enum
     35 {
     36   SHUT_RD = 0,		/* No more receptions.  */
     37   SHUT_WR,			/* No more transmissions.  */
     38   SHUT_RDWR			/* No more receptions or transmissions.  */
     39 };
     40 # define SHUT_RD   SHUT_RD
     41 # define SHUT_WR   SHUT_WR
     42 # define SHUT_RDWR SHUT_RDWR
     43 #endif
     44 
     45 /*
     46  * Definitions for IP type of service (ip_tos)
     47  */
     48 #include <netinet/in_systm.h>
     49 #include <netinet/ip.h>
     50 #ifndef IPTOS_LOWDELAY
     51 # define IPTOS_LOWDELAY          0x10
     52 # define IPTOS_THROUGHPUT        0x08
     53 # define IPTOS_RELIABILITY       0x04
     54 # define IPTOS_LOWCOST           0x02
     55 # define IPTOS_MINCOST           IPTOS_LOWCOST
     56 #endif /* IPTOS_LOWDELAY */
     57 
     58 /*
     59  * Definitions for DiffServ Codepoints as per RFC2474
     60  */
     61 #ifndef IPTOS_DSCP_AF11
     62 # define	IPTOS_DSCP_AF11		0x28
     63 # define	IPTOS_DSCP_AF12		0x30
     64 # define	IPTOS_DSCP_AF13		0x38
     65 # define	IPTOS_DSCP_AF21		0x48
     66 # define	IPTOS_DSCP_AF22		0x50
     67 # define	IPTOS_DSCP_AF23		0x58
     68 # define	IPTOS_DSCP_AF31		0x68
     69 # define	IPTOS_DSCP_AF32		0x70
     70 # define	IPTOS_DSCP_AF33		0x78
     71 # define	IPTOS_DSCP_AF41		0x88
     72 # define	IPTOS_DSCP_AF42		0x90
     73 # define	IPTOS_DSCP_AF43		0x98
     74 # define	IPTOS_DSCP_EF		0xb8
     75 #endif /* IPTOS_DSCP_AF11 */
     76 #ifndef IPTOS_DSCP_CS0
     77 # define	IPTOS_DSCP_CS0		0x00
     78 # define	IPTOS_DSCP_CS1		0x20
     79 # define	IPTOS_DSCP_CS2		0x40
     80 # define	IPTOS_DSCP_CS3		0x60
     81 # define	IPTOS_DSCP_CS4		0x80
     82 # define	IPTOS_DSCP_CS5		0xa0
     83 # define	IPTOS_DSCP_CS6		0xc0
     84 # define	IPTOS_DSCP_CS7		0xe0
     85 #endif /* IPTOS_DSCP_CS0 */
     86 #ifndef IPTOS_DSCP_EF
     87 # define	IPTOS_DSCP_EF		0xb8
     88 #endif /* IPTOS_DSCP_EF */
     89 
     90 #ifndef MAXPATHLEN
     91 # ifdef PATH_MAX
     92 #  define MAXPATHLEN PATH_MAX
     93 # else /* PATH_MAX */
     94 #  define MAXPATHLEN 64
     95 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
     96 #  ifndef BROKEN_REALPATH
     97 #   define BROKEN_REALPATH 1
     98 #  endif /* BROKEN_REALPATH */
     99 # endif /* PATH_MAX */
    100 #endif /* MAXPATHLEN */
    101 
    102 #ifndef PATH_MAX
    103 # ifdef _POSIX_PATH_MAX
    104 # define PATH_MAX _POSIX_PATH_MAX
    105 # endif
    106 #endif
    107 
    108 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
    109 # define MAXSYMLINKS 5
    110 #endif
    111 
    112 #ifndef STDIN_FILENO
    113 # define STDIN_FILENO    0
    114 #endif
    115 #ifndef STDOUT_FILENO
    116 # define STDOUT_FILENO   1
    117 #endif
    118 #ifndef STDERR_FILENO
    119 # define STDERR_FILENO   2
    120 #endif
    121 
    122 #ifndef NGROUPS_MAX	/* Disable groupaccess if NGROUP_MAX is not set */
    123 #ifdef NGROUPS
    124 #define NGROUPS_MAX NGROUPS
    125 #else
    126 #define NGROUPS_MAX 0
    127 #endif
    128 #endif
    129 
    130 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
    131 # define O_NONBLOCK      00004	/* Non Blocking Open */
    132 #endif
    133 
    134 #ifndef S_IFSOCK
    135 # define S_IFSOCK 0
    136 #endif /* S_IFSOCK */
    137 
    138 #ifndef S_ISDIR
    139 # define S_ISDIR(mode)	(((mode) & (_S_IFMT)) == (_S_IFDIR))
    140 #endif /* S_ISDIR */
    141 
    142 #ifndef S_ISREG
    143 # define S_ISREG(mode)	(((mode) & (_S_IFMT)) == (_S_IFREG))
    144 #endif /* S_ISREG */
    145 
    146 #ifndef S_ISLNK
    147 # define S_ISLNK(mode)	(((mode) & S_IFMT) == S_IFLNK)
    148 #endif /* S_ISLNK */
    149 
    150 #ifndef S_IXUSR
    151 # define S_IXUSR			0000100	/* execute/search permission, */
    152 # define S_IXGRP			0000010	/* execute/search permission, */
    153 # define S_IXOTH			0000001	/* execute/search permission, */
    154 # define _S_IWUSR			0000200	/* write permission, */
    155 # define S_IWUSR			_S_IWUSR	/* write permission, owner */
    156 # define S_IWGRP			0000020	/* write permission, group */
    157 # define S_IWOTH			0000002	/* write permission, other */
    158 # define S_IRUSR			0000400	/* read permission, owner */
    159 # define S_IRGRP			0000040	/* read permission, group */
    160 # define S_IROTH			0000004	/* read permission, other */
    161 # define S_IRWXU			0000700	/* read, write, execute */
    162 # define S_IRWXG			0000070	/* read, write, execute */
    163 # define S_IRWXO			0000007	/* read, write, execute */
    164 #endif /* S_IXUSR */
    165 
    166 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
    167 #define MAP_ANON MAP_ANONYMOUS
    168 #endif
    169 
    170 #ifndef MAP_FAILED
    171 # define MAP_FAILED ((void *)-1)
    172 #endif
    173 
    174 /* *-*-nto-qnx doesn't define this constant in the system headers */
    175 #ifdef MISSING_NFDBITS
    176 # define	NFDBITS (8 * sizeof(unsigned long))
    177 #endif
    178 
    179 /*
    180 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
    181 including rpc/rpc.h breaks Solaris 6
    182 */
    183 #ifndef INADDR_LOOPBACK
    184 #define INADDR_LOOPBACK ((u_long)0x7f000001)
    185 #endif
    186 
    187 /* Types */
    188 
    189 /* If sys/types.h does not supply intXX_t, supply them ourselves */
    190 /* (or die trying) */
    191 
    192 #ifndef HAVE_U_INT
    193 typedef unsigned int u_int;
    194 #endif
    195 
    196 #ifndef HAVE_INTXX_T
    197 # if (SIZEOF_CHAR == 1)
    198 typedef char int8_t;
    199 # else
    200 #  error "8 bit int type not found."
    201 # endif
    202 # if (SIZEOF_SHORT_INT == 2)
    203 typedef short int int16_t;
    204 # else
    205 #  ifdef _UNICOS
    206 #   if (SIZEOF_SHORT_INT == 4)
    207 typedef short int16_t;
    208 #   else
    209 typedef long  int16_t;
    210 #   endif
    211 #  else
    212 #   error "16 bit int type not found."
    213 #  endif /* _UNICOS */
    214 # endif
    215 # if (SIZEOF_INT == 4)
    216 typedef int int32_t;
    217 # else
    218 #  ifdef _UNICOS
    219 typedef long  int32_t;
    220 #  else
    221 #   error "32 bit int type not found."
    222 #  endif /* _UNICOS */
    223 # endif
    224 #endif
    225 
    226 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
    227 #ifndef HAVE_U_INTXX_T
    228 # ifdef HAVE_UINTXX_T
    229 typedef uint8_t u_int8_t;
    230 typedef uint16_t u_int16_t;
    231 typedef uint32_t u_int32_t;
    232 # define HAVE_U_INTXX_T 1
    233 # else
    234 #  if (SIZEOF_CHAR == 1)
    235 typedef unsigned char u_int8_t;
    236 #  else
    237 #   error "8 bit int type not found."
    238 #  endif
    239 #  if (SIZEOF_SHORT_INT == 2)
    240 typedef unsigned short int u_int16_t;
    241 #  else
    242 #   ifdef _UNICOS
    243 #    if (SIZEOF_SHORT_INT == 4)
    244 typedef unsigned short u_int16_t;
    245 #    else
    246 typedef unsigned long  u_int16_t;
    247 #    endif
    248 #   else
    249 #    error "16 bit int type not found."
    250 #   endif
    251 #  endif
    252 #  if (SIZEOF_INT == 4)
    253 typedef unsigned int u_int32_t;
    254 #  else
    255 #   ifdef _UNICOS
    256 typedef unsigned long  u_int32_t;
    257 #   else
    258 #    error "32 bit int type not found."
    259 #   endif
    260 #  endif
    261 # endif
    262 #define __BIT_TYPES_DEFINED__
    263 #endif
    264 
    265 /* 64-bit types */
    266 #ifndef HAVE_INT64_T
    267 # if (SIZEOF_LONG_INT == 8)
    268 typedef long int int64_t;
    269 # else
    270 #  if (SIZEOF_LONG_LONG_INT == 8)
    271 typedef long long int int64_t;
    272 #  endif
    273 # endif
    274 #endif
    275 #ifndef HAVE_U_INT64_T
    276 # if (SIZEOF_LONG_INT == 8)
    277 typedef unsigned long int u_int64_t;
    278 # else
    279 #  if (SIZEOF_LONG_LONG_INT == 8)
    280 typedef unsigned long long int u_int64_t;
    281 #  endif
    282 # endif
    283 #endif
    284 
    285 #ifndef HAVE_U_CHAR
    286 typedef unsigned char u_char;
    287 # define HAVE_U_CHAR
    288 #endif /* HAVE_U_CHAR */
    289 
    290 #ifndef SIZE_T_MAX
    291 #define SIZE_T_MAX ULONG_MAX
    292 #endif /* SIZE_T_MAX */
    293 
    294 #ifndef HAVE_SIZE_T
    295 typedef unsigned int size_t;
    296 # define HAVE_SIZE_T
    297 # define SIZE_T_MAX UINT_MAX
    298 #endif /* HAVE_SIZE_T */
    299 
    300 #ifndef SIZE_MAX
    301 #define SIZE_MAX SIZE_T_MAX
    302 #endif
    303 
    304 #ifndef HAVE_SSIZE_T
    305 typedef int ssize_t;
    306 # define HAVE_SSIZE_T
    307 #endif /* HAVE_SSIZE_T */
    308 
    309 #ifndef HAVE_CLOCK_T
    310 typedef long clock_t;
    311 # define HAVE_CLOCK_T
    312 #endif /* HAVE_CLOCK_T */
    313 
    314 #ifndef HAVE_SA_FAMILY_T
    315 typedef int sa_family_t;
    316 # define HAVE_SA_FAMILY_T
    317 #endif /* HAVE_SA_FAMILY_T */
    318 
    319 #ifndef HAVE_PID_T
    320 typedef int pid_t;
    321 # define HAVE_PID_T
    322 #endif /* HAVE_PID_T */
    323 
    324 #ifndef HAVE_SIG_ATOMIC_T
    325 typedef int sig_atomic_t;
    326 # define HAVE_SIG_ATOMIC_T
    327 #endif /* HAVE_SIG_ATOMIC_T */
    328 
    329 #ifndef HAVE_MODE_T
    330 typedef int mode_t;
    331 # define HAVE_MODE_T
    332 #endif /* HAVE_MODE_T */
    333 
    334 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
    335 # define ss_family __ss_family
    336 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
    337 
    338 #ifndef HAVE_SYS_UN_H
    339 struct	sockaddr_un {
    340 	short	sun_family;		/* AF_UNIX */
    341 	char	sun_path[108];		/* path name (gag) */
    342 };
    343 #endif /* HAVE_SYS_UN_H */
    344 
    345 #ifndef HAVE_IN_ADDR_T
    346 typedef u_int32_t	in_addr_t;
    347 #endif
    348 #ifndef HAVE_IN_PORT_T
    349 typedef u_int16_t	in_port_t;
    350 #endif
    351 
    352 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
    353 #define _STRUCT_WINSIZE
    354 struct winsize {
    355       unsigned short ws_row;          /* rows, in characters */
    356       unsigned short ws_col;          /* columns, in character */
    357       unsigned short ws_xpixel;       /* horizontal size, pixels */
    358       unsigned short ws_ypixel;       /* vertical size, pixels */
    359 };
    360 #endif
    361 
    362 /* *-*-nto-qnx does not define this type in the system headers */
    363 #ifdef MISSING_FD_MASK
    364  typedef unsigned long int	fd_mask;
    365 #endif
    366 
    367 /* Paths */
    368 
    369 #ifndef _PATH_BSHELL
    370 # define _PATH_BSHELL "/bin/sh"
    371 #endif
    372 
    373 #ifdef USER_PATH
    374 # ifdef _PATH_STDPATH
    375 #  undef _PATH_STDPATH
    376 # endif
    377 # define _PATH_STDPATH USER_PATH
    378 #endif
    379 
    380 #ifndef _PATH_STDPATH
    381 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
    382 #endif
    383 
    384 #ifndef SUPERUSER_PATH
    385 # define SUPERUSER_PATH	_PATH_STDPATH
    386 #endif
    387 
    388 #ifndef _PATH_DEVNULL
    389 # define _PATH_DEVNULL "/dev/null"
    390 #endif
    391 
    392 /* user may have set a different path */
    393 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
    394 # undef _PATH_MAILDIR MAILDIR
    395 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
    396 
    397 #ifdef MAIL_DIRECTORY
    398 # define _PATH_MAILDIR MAIL_DIRECTORY
    399 #endif
    400 
    401 #ifndef _PATH_NOLOGIN
    402 # define _PATH_NOLOGIN "/etc/nologin"
    403 #endif
    404 
    405 /* Define this to be the path of the xauth program. */
    406 #ifdef XAUTH_PATH
    407 #define _PATH_XAUTH XAUTH_PATH
    408 #endif /* XAUTH_PATH */
    409 
    410 /* derived from XF4/xc/lib/dps/Xlibnet.h */
    411 #ifndef X_UNIX_PATH
    412 #  ifdef __hpux
    413 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
    414 #  else
    415 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
    416 #  endif
    417 #endif /* X_UNIX_PATH */
    418 #define _PATH_UNIX_X X_UNIX_PATH
    419 
    420 #ifndef _PATH_TTY
    421 # define _PATH_TTY "/dev/tty"
    422 #endif
    423 
    424 /* Macros */
    425 
    426 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
    427 # define HAVE_LOGIN_CAP
    428 #endif
    429 
    430 #ifndef MAX
    431 # define MAX(a,b) (((a)>(b))?(a):(b))
    432 # define MIN(a,b) (((a)<(b))?(a):(b))
    433 #endif
    434 
    435 #ifndef roundup
    436 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
    437 #endif
    438 
    439 #ifndef timersub
    440 #define timersub(a, b, result)					\
    441    do {								\
    442       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;		\
    443       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;		\
    444       if ((result)->tv_usec < 0) {				\
    445 	 --(result)->tv_sec;					\
    446 	 (result)->tv_usec += 1000000;				\
    447       }								\
    448    } while (0)
    449 #endif
    450 
    451 #ifndef TIMEVAL_TO_TIMESPEC
    452 #define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
    453 	(ts)->tv_sec = (tv)->tv_sec;					\
    454 	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
    455 }
    456 #endif
    457 
    458 #ifndef TIMESPEC_TO_TIMEVAL
    459 #define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
    460 	(tv)->tv_sec = (ts)->tv_sec;					\
    461 	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
    462 }
    463 #endif
    464 
    465 #ifndef __P
    466 # define __P(x) x
    467 #endif
    468 
    469 #if !defined(IN6_IS_ADDR_V4MAPPED)
    470 # define IN6_IS_ADDR_V4MAPPED(a) \
    471 	((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
    472 	 (((u_int32_t *) (a))[2] == htonl (0xffff)))
    473 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
    474 
    475 #if !defined(__GNUC__) || (__GNUC__ < 2)
    476 # define __attribute__(x)
    477 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
    478 
    479 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
    480 # define __sentinel__
    481 #endif
    482 
    483 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
    484 # define __bounded__(x, y, z)
    485 #endif
    486 
    487 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
    488 # define __nonnull__(x)
    489 #endif
    490 
    491 /* *-*-nto-qnx doesn't define this macro in the system headers */
    492 #ifdef MISSING_HOWMANY
    493 # define howmany(x,y)	(((x)+((y)-1))/(y))
    494 #endif
    495 
    496 #ifndef OSSH_ALIGNBYTES
    497 #define OSSH_ALIGNBYTES	(sizeof(int) - 1)
    498 #endif
    499 #ifndef __CMSG_ALIGN
    500 #define	__CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
    501 #endif
    502 
    503 /* Length of the contents of a control message of length len */
    504 #ifndef CMSG_LEN
    505 #define	CMSG_LEN(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
    506 #endif
    507 
    508 /* Length of the space taken up by a padded control message of length len */
    509 #ifndef CMSG_SPACE
    510 #define	CMSG_SPACE(len)	(__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
    511 #endif
    512 
    513 /* given pointer to struct cmsghdr, return pointer to data */
    514 #ifndef CMSG_DATA
    515 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
    516 #endif /* CMSG_DATA */
    517 
    518 /*
    519  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
    520  * an empty list for some reasons.
    521  */
    522 #ifndef CMSG_FIRSTHDR
    523 #define CMSG_FIRSTHDR(mhdr) \
    524 	((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
    525 	 (struct cmsghdr *)(mhdr)->msg_control : \
    526 	 (struct cmsghdr *)NULL)
    527 #endif /* CMSG_FIRSTHDR */
    528 
    529 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
    530 # define offsetof(type, member) ((size_t) &((type *)0)->member)
    531 #endif
    532 
    533 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
    534 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
    535 #ifndef BYTE_ORDER
    536 # ifndef LITTLE_ENDIAN
    537 #  define LITTLE_ENDIAN  1234
    538 # endif /* LITTLE_ENDIAN */
    539 # ifndef BIG_ENDIAN
    540 #  define BIG_ENDIAN     4321
    541 # endif /* BIG_ENDIAN */
    542 # ifdef WORDS_BIGENDIAN
    543 #  define BYTE_ORDER BIG_ENDIAN
    544 # else /* WORDS_BIGENDIAN */
    545 #  define BYTE_ORDER LITTLE_ENDIAN
    546 # endif /* WORDS_BIGENDIAN */
    547 #endif /* BYTE_ORDER */
    548 
    549 /* Function replacement / compatibility hacks */
    550 
    551 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
    552 # define HAVE_GETADDRINFO
    553 #endif
    554 
    555 #ifndef HAVE_GETOPT_OPTRESET
    556 # undef getopt
    557 # undef opterr
    558 # undef optind
    559 # undef optopt
    560 # undef optreset
    561 # undef optarg
    562 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
    563 # define opterr             BSDopterr
    564 # define optind             BSDoptind
    565 # define optopt             BSDoptopt
    566 # define optreset           BSDoptreset
    567 # define optarg             BSDoptarg
    568 #endif
    569 
    570 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
    571 # undef HAVE_GETADDRINFO
    572 #endif
    573 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
    574 # undef HAVE_FREEADDRINFO
    575 #endif
    576 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
    577 # undef HAVE_GAI_STRERROR
    578 #endif
    579 
    580 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
    581 # undef HAVE_UPDWTMPX
    582 #endif
    583 
    584 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
    585 # undef HAS_SHADOW_EXPIRE
    586 #endif
    587 
    588 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
    589     defined(SYSLOG_R_SAFE_IN_SIGHAND)
    590 # define DO_LOG_SAFE_IN_SIGHAND
    591 #endif
    592 
    593 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
    594 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
    595 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
    596 
    597 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
    598 #  define USE_VHANGUP
    599 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
    600 
    601 #ifndef GETPGRP_VOID
    602 # include <unistd.h>
    603 # define getpgrp() getpgrp(0)
    604 #endif
    605 
    606 #ifdef USE_BSM_AUDIT
    607 # define SSH_AUDIT_EVENTS
    608 # define CUSTOM_SSH_AUDIT_EVENTS
    609 #endif
    610 
    611 #ifdef USE_LINUX_AUDIT
    612 # define SSH_AUDIT_EVENTS
    613 # define CUSTOM_SSH_AUDIT_EVENTS
    614 #endif
    615 
    616 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
    617 #  define __func__ __FUNCTION__
    618 #elif !defined(HAVE___func__)
    619 #  define __func__ ""
    620 #endif
    621 
    622 #if defined(KRB5) && !defined(HEIMDAL)
    623 #  define krb5_get_err_text(context,code) error_message(code)
    624 #endif
    625 
    626 #if defined(SKEYCHALLENGE_4ARG)
    627 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
    628 #else
    629 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
    630 #endif
    631 
    632 /* Maximum number of file descriptors available */
    633 #ifdef HAVE_SYSCONF
    634 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
    635 #else
    636 # define SSH_SYSFDMAX 10000
    637 #endif
    638 
    639 #ifdef FSID_HAS_VAL
    640 /* encode f_fsid into a 64 bit value  */
    641 #define FSID_TO_ULONG(f) \
    642 	((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
    643 	    ((f).val[1] & 0xffffffffUL))
    644 #elif defined(FSID_HAS___VAL)
    645 #define FSID_TO_ULONG(f) \
    646 	((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
    647 	    ((f).__val[1] & 0xffffffffUL))
    648 #else
    649 # define FSID_TO_ULONG(f) ((f))
    650 #endif
    651 
    652 #if defined(__Lynx__)
    653  /*
    654   * LynxOS defines these in param.h which we do not want to include since
    655   * it will also pull in a bunch of kernel definitions.
    656   */
    657 # define ALIGNBYTES (sizeof(int) - 1)
    658 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
    659   /* Missing prototypes on LynxOS */
    660   int snprintf (char *, size_t, const char *, ...);
    661   int mkstemp (char *);
    662   char *crypt (const char *, const char *);
    663   int seteuid (uid_t);
    664   int setegid (gid_t);
    665   char *mkdtemp (char *);
    666   int rresvport_af (int *, sa_family_t);
    667   int innetgr (const char *, const char *, const char *, const char *);
    668 #endif
    669 
    670 /*
    671  * Define this to use pipes instead of socketpairs for communicating with the
    672  * client program.  Socketpairs do not seem to work on all systems.
    673  *
    674  * configure.ac sets this for a few OS's which are known to have problems
    675  * but you may need to set it yourself
    676  */
    677 /* #define USE_PIPES 1 */
    678 
    679 /**
    680  ** login recorder definitions
    681  **/
    682 
    683 /* FIXME: put default paths back in */
    684 #ifndef UTMP_FILE
    685 #  ifdef _PATH_UTMP
    686 #    define UTMP_FILE _PATH_UTMP
    687 #  else
    688 #    ifdef CONF_UTMP_FILE
    689 #      define UTMP_FILE CONF_UTMP_FILE
    690 #    endif
    691 #  endif
    692 #endif
    693 #ifndef WTMP_FILE
    694 #  ifdef _PATH_WTMP
    695 #    define WTMP_FILE _PATH_WTMP
    696 #  else
    697 #    ifdef CONF_WTMP_FILE
    698 #      define WTMP_FILE CONF_WTMP_FILE
    699 #    endif
    700 #  endif
    701 #endif
    702 /* pick up the user's location for lastlog if given */
    703 #ifndef LASTLOG_FILE
    704 #  ifdef _PATH_LASTLOG
    705 #    define LASTLOG_FILE _PATH_LASTLOG
    706 #  else
    707 #    ifdef CONF_LASTLOG_FILE
    708 #      define LASTLOG_FILE CONF_LASTLOG_FILE
    709 #    endif
    710 #  endif
    711 #endif
    712 
    713 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
    714 # define USE_SHADOW
    715 #endif
    716 
    717 /* The login() library function in libutil is first choice */
    718 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
    719 #  define USE_LOGIN
    720 
    721 #else
    722 /* Simply select your favourite login types. */
    723 /* Can't do if-else because some systems use several... <sigh> */
    724 #  if !defined(DISABLE_UTMPX)
    725 #    define USE_UTMPX
    726 #  endif
    727 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
    728 #    define USE_UTMP
    729 #  endif
    730 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
    731 #    define USE_WTMPX
    732 #  endif
    733 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
    734 #    define USE_WTMP
    735 #  endif
    736 
    737 #endif
    738 
    739 #ifndef UT_LINESIZE
    740 # define UT_LINESIZE 8
    741 #endif
    742 
    743 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
    744 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
    745 #  define USE_LASTLOG
    746 #endif
    747 
    748 #ifdef HAVE_OSF_SIA
    749 # ifdef USE_SHADOW
    750 #  undef USE_SHADOW
    751 # endif
    752 # define CUSTOM_SYS_AUTH_PASSWD 1
    753 #endif
    754 
    755 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
    756 # define CUSTOM_SYS_AUTH_PASSWD 1
    757 #endif
    758 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
    759 # define USE_LIBIAF
    760 #endif
    761 
    762 /* HP-UX 11.11 */
    763 #ifdef BTMP_FILE
    764 # define _PATH_BTMP BTMP_FILE
    765 #endif
    766 
    767 #if defined(USE_BTMP) && defined(_PATH_BTMP)
    768 # define CUSTOM_FAILED_LOGIN
    769 #endif
    770 
    771 /** end of login recorder definitions */
    772 
    773 #ifdef BROKEN_GETGROUPS
    774 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
    775 #endif
    776 
    777 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
    778 # undef HAVE_MMAP
    779 #endif
    780 
    781 #ifndef IOV_MAX
    782 # if defined(_XOPEN_IOV_MAX)
    783 #  define	IOV_MAX		_XOPEN_IOV_MAX
    784 # elif defined(DEF_IOV_MAX)
    785 #  define	IOV_MAX		DEF_IOV_MAX
    786 # else
    787 #  define	IOV_MAX		16
    788 # endif
    789 #endif
    790 
    791 #ifndef EWOULDBLOCK
    792 # define EWOULDBLOCK EAGAIN
    793 #endif
    794 
    795 #ifndef INET6_ADDRSTRLEN	/* for non IPv6 machines */
    796 #define INET6_ADDRSTRLEN 46
    797 #endif
    798 
    799 #ifndef SSH_IOBUFSZ
    800 # define SSH_IOBUFSZ 8192
    801 #endif
    802 
    803 #ifndef _NSIG
    804 # ifdef NSIG
    805 #  define _NSIG NSIG
    806 # else
    807 #  define _NSIG 128
    808 # endif
    809 #endif
    810 
    811 #endif /* _DEFINES_H */
    812