crypto/openssh/defines.h

   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 1.183 2014/09/02 19:33:26 djm 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  * Cygwin doesn't really have a notion of reserved ports.  It is still
  47  * is useful on the client side so for compatibility it defines as 1024 via
  48  * netinet/in.h inside an enum.  We * don't actually want that restriction
  49  * so we want to set that to zero, but we can't do it direct in config.h
  50  * because it'll cause a conflicting definition the first time we include
  51  * netinet/in.h.
  52  */
  53
  54 #ifdef HAVE_CYGWIN
  55 #define IPPORT_RESERVED 0
  56 #endif
  57
  58 /*
  59  * Definitions for IP type of service (ip_tos)
  60  */
  61 #include <netinet/in_systm.h>
  62 #include <netinet/ip.h>
  63 #ifndef IPTOS_LOWDELAY
  64 # define IPTOS_LOWDELAY          0x10
  65 # define IPTOS_THROUGHPUT        0x08
  66 # define IPTOS_RELIABILITY       0x04
  67 # define IPTOS_LOWCOST           0x02
  68 # define IPTOS_MINCOST           IPTOS_LOWCOST
  69 #endif /* IPTOS_LOWDELAY */
  70
  71 /*
  72  * Definitions for DiffServ Codepoints as per RFC2474
  73  */
  74 #ifndef IPTOS_DSCP_AF11
  75 # define        IPTOS_DSCP_AF11         0x28
  76 # define        IPTOS_DSCP_AF12         0x30
  77 # define        IPTOS_DSCP_AF13         0x38
  78 # define        IPTOS_DSCP_AF21         0x48
  79 # define        IPTOS_DSCP_AF22         0x50
  80 # define        IPTOS_DSCP_AF23         0x58
  81 # define        IPTOS_DSCP_AF31         0x68
  82 # define        IPTOS_DSCP_AF32         0x70
  83 # define        IPTOS_DSCP_AF33         0x78
  84 # define        IPTOS_DSCP_AF41         0x88
  85 # define        IPTOS_DSCP_AF42         0x90
  86 # define        IPTOS_DSCP_AF43         0x98
  87 # define        IPTOS_DSCP_EF           0xb8
  88 #endif /* IPTOS_DSCP_AF11 */
  89 #ifndef IPTOS_DSCP_CS0
  90 # define        IPTOS_DSCP_CS0          0x00
  91 # define        IPTOS_DSCP_CS1          0x20
  92 # define        IPTOS_DSCP_CS2          0x40
  93 # define        IPTOS_DSCP_CS3          0x60
  94 # define        IPTOS_DSCP_CS4          0x80
  95 # define        IPTOS_DSCP_CS5          0xa0
  96 # define        IPTOS_DSCP_CS6          0xc0
  97 # define        IPTOS_DSCP_CS7          0xe0
  98 #endif /* IPTOS_DSCP_CS0 */
  99 #ifndef IPTOS_DSCP_EF
 100 # define        IPTOS_DSCP_EF           0xb8
 101 #endif /* IPTOS_DSCP_EF */
 102
 103 #ifndef PATH_MAX
 104 # ifdef _POSIX_PATH_MAX
 105 # define PATH_MAX _POSIX_PATH_MAX
 106 # endif
 107 #endif
 108
 109 #ifndef MAXPATHLEN
 110 # ifdef PATH_MAX
 111 #  define MAXPATHLEN PATH_MAX
 112 # else /* PATH_MAX */
 113 #  define MAXPATHLEN 64
 114 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
 115 #  ifndef BROKEN_REALPATH
 116 #   define BROKEN_REALPATH 1
 117 #  endif /* BROKEN_REALPATH */
 118 # endif /* PATH_MAX */
 119 #endif /* MAXPATHLEN */
 120
 121 #ifndef HOST_NAME_MAX
 122 # include "netdb.h" /* for MAXHOSTNAMELEN */
 123 # if defined(_POSIX_HOST_NAME_MAX)
 124 #  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
 125 # elif defined(MAXHOSTNAMELEN)
 126 #  define HOST_NAME_MAX MAXHOSTNAMELEN
 127 # else
 128 #  define HOST_NAME_MAX 255
 129 # endif
 130 #endif /* HOST_NAME_MAX */
 131
 132 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
 133 # define MAXSYMLINKS 5
 134 #endif
 135
 136 #ifndef STDIN_FILENO
 137 # define STDIN_FILENO    0
 138 #endif
 139 #ifndef STDOUT_FILENO
 140 # define STDOUT_FILENO   1
 141 #endif
 142 #ifndef STDERR_FILENO
 143 # define STDERR_FILENO   2
 144 #endif
 145
 146 #ifndef NGROUPS_MAX     /* Disable groupaccess if NGROUP_MAX is not set */
 147 #ifdef NGROUPS
 148 #define NGROUPS_MAX NGROUPS
 149 #else
 150 #define NGROUPS_MAX 0
 151 #endif
 152 #endif
 153
 154 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
 155 # define O_NONBLOCK      00004  /* Non Blocking Open */
 156 #endif
 157
 158 #ifndef S_IFSOCK
 159 # define S_IFSOCK 0
 160 #endif /* S_IFSOCK */
 161
 162 #ifndef S_ISDIR
 163 # define S_ISDIR(mode)  (((mode) & (_S_IFMT)) == (_S_IFDIR))
 164 #endif /* S_ISDIR */
 165
 166 #ifndef S_ISREG
 167 # define S_ISREG(mode)  (((mode) & (_S_IFMT)) == (_S_IFREG))
 168 #endif /* S_ISREG */
 169
 170 #ifndef S_ISLNK
 171 # define S_ISLNK(mode)  (((mode) & S_IFMT) == S_IFLNK)
 172 #endif /* S_ISLNK */
 173
 174 #ifndef S_IXUSR
 175 # define S_IXUSR                        0000100 /* execute/search permission, */
 176 # define S_IXGRP                        0000010 /* execute/search permission, */
 177 # define S_IXOTH                        0000001 /* execute/search permission, */
 178 # define _S_IWUSR                       0000200 /* write permission, */
 179 # define S_IWUSR                        _S_IWUSR        /* write permission, owner */
 180 # define S_IWGRP                        0000020 /* write permission, group */
 181 # define S_IWOTH                        0000002 /* write permission, other */
 182 # define S_IRUSR                        0000400 /* read permission, owner */
 183 # define S_IRGRP                        0000040 /* read permission, group */
 184 # define S_IROTH                        0000004 /* read permission, other */
 185 # define S_IRWXU                        0000700 /* read, write, execute */
 186 # define S_IRWXG                        0000070 /* read, write, execute */
 187 # define S_IRWXO                        0000007 /* read, write, execute */
 188 #endif /* S_IXUSR */
 189
 190 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 191 #define MAP_ANON MAP_ANONYMOUS
 192 #endif
 193
 194 #ifndef MAP_FAILED
 195 # define MAP_FAILED ((void *)-1)
 196 #endif
 197
 198 /*
 199 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
 200 including rpc/rpc.h breaks Solaris 6
 201 */
 202 #ifndef INADDR_LOOPBACK
 203 #define INADDR_LOOPBACK ((u_long)0x7f000001)
 204 #endif
 205
 206 /* Types */
 207
 208 /* If sys/types.h does not supply intXX_t, supply them ourselves */
 209 /* (or die trying) */
 210
 211 #ifndef HAVE_U_INT
 212 typedef unsigned int u_int;
 213 #endif
 214
 215 #ifndef HAVE_INTXX_T
 216 typedef signed char int8_t;
 217 # if (SIZEOF_SHORT_INT == 2)
 218 typedef short int int16_t;
 219 # else
 220 #  ifdef _UNICOS
 221 #   if (SIZEOF_SHORT_INT == 4)
 222 typedef short int16_t;
 223 #   else
 224 typedef long  int16_t;
 225 #   endif
 226 #  else
 227 #   error "16 bit int type not found."
 228 #  endif /* _UNICOS */
 229 # endif
 230 # if (SIZEOF_INT == 4)
 231 typedef int int32_t;
 232 # else
 233 #  ifdef _UNICOS
 234 typedef long  int32_t;
 235 #  else
 236 #   error "32 bit int type not found."
 237 #  endif /* _UNICOS */
 238 # endif
 239 #endif
 240
 241 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
 242 #ifndef HAVE_U_INTXX_T
 243 # ifdef HAVE_UINTXX_T
 244 typedef uint8_t u_int8_t;
 245 typedef uint16_t u_int16_t;
 246 typedef uint32_t u_int32_t;
 247 # define HAVE_U_INTXX_T 1
 248 # else
 249 typedef unsigned char u_int8_t;
 250 #  if (SIZEOF_SHORT_INT == 2)
 251 typedef unsigned short int u_int16_t;
 252 #  else
 253 #   ifdef _UNICOS
 254 #    if (SIZEOF_SHORT_INT == 4)
 255 typedef unsigned short u_int16_t;
 256 #    else
 257 typedef unsigned long  u_int16_t;
 258 #    endif
 259 #   else
 260 #    error "16 bit int type not found."
 261 #   endif
 262 #  endif
 263 #  if (SIZEOF_INT == 4)
 264 typedef unsigned int u_int32_t;
 265 #  else
 266 #   ifdef _UNICOS
 267 typedef unsigned long  u_int32_t;
 268 #   else
 269 #    error "32 bit int type not found."
 270 #   endif
 271 #  endif
 272 # endif
 273 #define __BIT_TYPES_DEFINED__
 274 #endif
 275
 276 /* 64-bit types */
 277 #ifndef HAVE_INT64_T
 278 # if (SIZEOF_LONG_INT == 8)
 279 typedef long int int64_t;
 280 # else
 281 #  if (SIZEOF_LONG_LONG_INT == 8)
 282 typedef long long int int64_t;
 283 #  endif
 284 # endif
 285 #endif
 286 #ifndef HAVE_U_INT64_T
 287 # if (SIZEOF_LONG_INT == 8)
 288 typedef unsigned long int u_int64_t;
 289 # else
 290 #  if (SIZEOF_LONG_LONG_INT == 8)
 291 typedef unsigned long long int u_int64_t;
 292 #  endif
 293 # endif
 294 #endif
 295
 296 #ifndef HAVE_UINTXX_T
 297 typedef u_int8_t uint8_t;
 298 typedef u_int16_t uint16_t;
 299 typedef u_int32_t uint32_t;
 300 typedef u_int64_t uint64_t;
 301 #endif
 302
 303 #ifndef HAVE_INTMAX_T
 304 typedef long long intmax_t;
 305 #endif
 306
 307 #ifndef HAVE_UINTMAX_T
 308 typedef unsigned long long uintmax_t;
 309 #endif
 310
 311 #ifndef HAVE_U_CHAR
 312 typedef unsigned char u_char;
 313 # define HAVE_U_CHAR
 314 #endif /* HAVE_U_CHAR */
 315
 316 #ifndef ULLONG_MAX
 317 # define ULLONG_MAX ((unsigned long long)-1)
 318 #endif
 319
 320 #ifndef SIZE_T_MAX
 321 #define SIZE_T_MAX ULONG_MAX
 322 #endif /* SIZE_T_MAX */
 323
 324 #ifndef HAVE_SIZE_T
 325 typedef unsigned int size_t;
 326 # define HAVE_SIZE_T
 327 # define SIZE_T_MAX UINT_MAX
 328 #endif /* HAVE_SIZE_T */
 329
 330 #ifndef SIZE_MAX
 331 #define SIZE_MAX SIZE_T_MAX
 332 #endif
 333
 334 #ifndef HAVE_SSIZE_T
 335 typedef int ssize_t;
 336 # define HAVE_SSIZE_T
 337 #endif /* HAVE_SSIZE_T */
 338
 339 #ifndef HAVE_CLOCK_T
 340 typedef long clock_t;
 341 # define HAVE_CLOCK_T
 342 #endif /* HAVE_CLOCK_T */
 343
 344 #ifndef HAVE_SA_FAMILY_T
 345 typedef int sa_family_t;
 346 # define HAVE_SA_FAMILY_T
 347 #endif /* HAVE_SA_FAMILY_T */
 348
 349 #ifndef HAVE_PID_T
 350 typedef int pid_t;
 351 # define HAVE_PID_T
 352 #endif /* HAVE_PID_T */
 353
 354 #ifndef HAVE_SIG_ATOMIC_T
 355 typedef int sig_atomic_t;
 356 # define HAVE_SIG_ATOMIC_T
 357 #endif /* HAVE_SIG_ATOMIC_T */
 358
 359 #ifndef HAVE_MODE_T
 360 typedef int mode_t;
 361 # define HAVE_MODE_T
 362 #endif /* HAVE_MODE_T */
 363
 364 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
 365 # define ss_family __ss_family
 366 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
 367
 368 #ifndef HAVE_SYS_UN_H
 369 struct  sockaddr_un {
 370         short   sun_family;             /* AF_UNIX */
 371         char    sun_path[108];          /* path name (gag) */
 372 };
 373 #endif /* HAVE_SYS_UN_H */
 374
 375 #ifndef HAVE_IN_ADDR_T
 376 typedef u_int32_t       in_addr_t;
 377 #endif
 378 #ifndef HAVE_IN_PORT_T
 379 typedef u_int16_t       in_port_t;
 380 #endif
 381
 382 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 383 #define _STRUCT_WINSIZE
 384 struct winsize {
 385       unsigned short ws_row;          /* rows, in characters */
 386       unsigned short ws_col;          /* columns, in character */
 387       unsigned short ws_xpixel;       /* horizontal size, pixels */
 388       unsigned short ws_ypixel;       /* vertical size, pixels */
 389 };
 390 #endif
 391
 392 /* bits needed for select that may not be in the system headers */
 393 #ifndef HAVE_FD_MASK
 394  typedef unsigned long int      fd_mask;
 395 #endif
 396
 397 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
 398 # define        NFDBITS (8 * sizeof(unsigned long))
 399 #endif
 400
 401 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
 402 # define howmany(x,y)   (((x)+((y)-1))/(y))
 403 #endif
 404
 405 /* Paths */
 406
 407 #ifndef _PATH_BSHELL
 408 # define _PATH_BSHELL "/bin/sh"
 409 #endif
 410
 411 #ifdef USER_PATH
 412 # ifdef _PATH_STDPATH
 413 #  undef _PATH_STDPATH
 414 # endif
 415 # define _PATH_STDPATH USER_PATH
 416 #endif
 417
 418 #ifndef _PATH_STDPATH
 419 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 420 #endif
 421
 422 #ifndef SUPERUSER_PATH
 423 # define SUPERUSER_PATH _PATH_STDPATH
 424 #endif
 425
 426 #ifndef _PATH_DEVNULL
 427 # define _PATH_DEVNULL "/dev/null"
 428 #endif
 429
 430 /* user may have set a different path */
 431 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
 432 # undef _PATH_MAILDIR
 433 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
 434
 435 #ifdef MAIL_DIRECTORY
 436 # define _PATH_MAILDIR MAIL_DIRECTORY
 437 #endif
 438
 439 #ifndef _PATH_NOLOGIN
 440 # define _PATH_NOLOGIN "/etc/nologin"
 441 #endif
 442
 443 /* Define this to be the path of the xauth program. */
 444 #ifdef XAUTH_PATH
 445 #define _PATH_XAUTH XAUTH_PATH
 446 #endif /* XAUTH_PATH */
 447
 448 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 449 #ifndef X_UNIX_PATH
 450 #  ifdef __hpux
 451 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 452 #  else
 453 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 454 #  endif
 455 #endif /* X_UNIX_PATH */
 456 #define _PATH_UNIX_X X_UNIX_PATH
 457
 458 #ifndef _PATH_TTY
 459 # define _PATH_TTY "/dev/tty"
 460 #endif
 461
 462 /* Macros */
 463
 464 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 465 # define HAVE_LOGIN_CAP
 466 #endif
 467
 468 #ifndef MAX
 469 # define MAX(a,b) (((a)>(b))?(a):(b))
 470 # define MIN(a,b) (((a)<(b))?(a):(b))
 471 #endif
 472
 473 #ifndef roundup
 474 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 475 #endif
 476
 477 #ifndef timersub
 478 #define timersub(a, b, result)                                  \
 479    do {                                                         \
 480       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 481       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 482       if ((result)->tv_usec < 0) {                              \
 483          --(result)->tv_sec;                                    \
 484          (result)->tv_usec += 1000000;                          \
 485       }                                                         \
 486    } while (0)
 487 #endif
 488
 489 #ifndef TIMEVAL_TO_TIMESPEC
 490 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 491         (ts)->tv_sec = (tv)->tv_sec;                                    \
 492         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 493 }
 494 #endif
 495
 496 #ifndef TIMESPEC_TO_TIMEVAL
 497 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 498         (tv)->tv_sec = (ts)->tv_sec;                                    \
 499         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 500 }
 501 #endif
 502
 503 #ifndef __P
 504 # define __P(x) x
 505 #endif
 506
 507 #if !defined(IN6_IS_ADDR_V4MAPPED)
 508 # define IN6_IS_ADDR_V4MAPPED(a) \
 509         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 510          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 511 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 512
 513 #if !defined(__GNUC__) || (__GNUC__ < 2)
 514 # define __attribute__(x)
 515 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 516
 517 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 518 # define __sentinel__
 519 #endif
 520
 521 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 522 # define __bounded__(x, y, z)
 523 #endif
 524
 525 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 526 # define __nonnull__(x)
 527 #endif
 528
 529 #ifndef OSSH_ALIGNBYTES
 530 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 531 #endif
 532 #ifndef __CMSG_ALIGN
 533 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 534 #endif
 535
 536 /* Length of the contents of a control message of length len */
 537 #ifndef CMSG_LEN
 538 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 539 #endif
 540
 541 /* Length of the space taken up by a padded control message of length len */
 542 #ifndef CMSG_SPACE
 543 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 544 #endif
 545
 546 /* given pointer to struct cmsghdr, return pointer to data */
 547 #ifndef CMSG_DATA
 548 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 549 #endif /* CMSG_DATA */
 550
 551 /*
 552  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 553  * an empty list for some reasons.
 554  */
 555 #ifndef CMSG_FIRSTHDR
 556 #define CMSG_FIRSTHDR(mhdr) \
 557         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 558          (struct cmsghdr *)(mhdr)->msg_control : \
 559          (struct cmsghdr *)NULL)
 560 #endif /* CMSG_FIRSTHDR */
 561
 562 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 563 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 564 #endif
 565
 566 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 567 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 568 #ifndef BYTE_ORDER
 569 # ifndef LITTLE_ENDIAN
 570 #  define LITTLE_ENDIAN  1234
 571 # endif /* LITTLE_ENDIAN */
 572 # ifndef BIG_ENDIAN
 573 #  define BIG_ENDIAN     4321
 574 # endif /* BIG_ENDIAN */
 575 # ifdef WORDS_BIGENDIAN
 576 #  define BYTE_ORDER BIG_ENDIAN
 577 # else /* WORDS_BIGENDIAN */
 578 #  define BYTE_ORDER LITTLE_ENDIAN
 579 # endif /* WORDS_BIGENDIAN */
 580 #endif /* BYTE_ORDER */
 581
 582 /* Function replacement / compatibility hacks */
 583
 584 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 585 # define HAVE_GETADDRINFO
 586 #endif
 587
 588 #ifndef HAVE_GETOPT_OPTRESET
 589 # undef getopt
 590 # undef opterr
 591 # undef optind
 592 # undef optopt
 593 # undef optreset
 594 # undef optarg
 595 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 596 # define opterr             BSDopterr
 597 # define optind             BSDoptind
 598 # define optopt             BSDoptopt
 599 # define optreset           BSDoptreset
 600 # define optarg             BSDoptarg
 601 #endif
 602
 603 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 604 # undef HAVE_GETADDRINFO
 605 #endif
 606 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 607 # undef HAVE_FREEADDRINFO
 608 #endif
 609 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 610 # undef HAVE_GAI_STRERROR
 611 #endif
 612
 613 #if defined(HAVE_GETADDRINFO)
 614 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0
 615 #   define AI_NUMERICSERV       0
 616 # endif
 617 #endif
 618
 619 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 620 # undef HAVE_UPDWTMPX
 621 #endif
 622
 623 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 624 # undef HAS_SHADOW_EXPIRE
 625 #endif
 626
 627 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 628     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 629 # define DO_LOG_SAFE_IN_SIGHAND
 630 #endif
 631
 632 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 633 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 634 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 635
 636 #ifndef GETPGRP_VOID
 637 # include <unistd.h>
 638 # define getpgrp() getpgrp(0)
 639 #endif
 640
 641 #ifdef USE_BSM_AUDIT
 642 # define SSH_AUDIT_EVENTS
 643 # define CUSTOM_SSH_AUDIT_EVENTS
 644 #endif
 645
 646 #ifdef USE_LINUX_AUDIT
 647 # define SSH_AUDIT_EVENTS
 648 # define CUSTOM_SSH_AUDIT_EVENTS
 649 #endif
 650
 651 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 652 #  define __func__ __FUNCTION__
 653 #elif !defined(HAVE___func__)
 654 #  define __func__ ""
 655 #endif
 656
 657 #if defined(KRB5) && !defined(HEIMDAL)
 658 #  define krb5_get_err_text(context,code) error_message(code)
 659 #endif
 660
 661 #if defined(SKEYCHALLENGE_4ARG)
 662 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 663 #else
 664 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 665 #endif
 666
 667 /* Maximum number of file descriptors available */
 668 #ifdef HAVE_SYSCONF
 669 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 670 #else
 671 # define SSH_SYSFDMAX 10000
 672 #endif
 673
 674 #ifdef FSID_HAS_VAL
 675 /* encode f_fsid into a 64 bit value  */
 676 #define FSID_TO_ULONG(f) \
 677         ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
 678             ((f).val[1] & 0xffffffffUL))
 679 #elif defined(FSID_HAS___VAL)
 680 #define FSID_TO_ULONG(f) \
 681         ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
 682             ((f).__val[1] & 0xffffffffUL))
 683 #else
 684 # define FSID_TO_ULONG(f) ((f))
 685 #endif
 686
 687 #if defined(__Lynx__)
 688  /*
 689   * LynxOS defines these in param.h which we do not want to include since
 690   * it will also pull in a bunch of kernel definitions.
 691   */
 692 # define ALIGNBYTES (sizeof(int) - 1)
 693 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 694   /* Missing prototypes on LynxOS */
 695   int snprintf (char *, size_t, const char *, ...);
 696   int mkstemp (char *);
 697   char *crypt (const char *, const char *);
 698   int seteuid (uid_t);
 699   int setegid (gid_t);
 700   char *mkdtemp (char *);
 701   int rresvport_af (int *, sa_family_t);
 702   int innetgr (const char *, const char *, const char *, const char *);
 703 #endif
 704
 705 /*
 706  * Define this to use pipes instead of socketpairs for communicating with the
 707  * client program.  Socketpairs do not seem to work on all systems.
 708  *
 709  * configure.ac sets this for a few OS's which are known to have problems
 710  * but you may need to set it yourself
 711  */
 712 /* #define USE_PIPES 1 */
 713
 714 /**
 715  ** login recorder definitions
 716  **/
 717
 718 /* FIXME: put default paths back in */
 719 #ifndef UTMP_FILE
 720 #  ifdef _PATH_UTMP
 721 #    define UTMP_FILE _PATH_UTMP
 722 #  else
 723 #    ifdef CONF_UTMP_FILE
 724 #      define UTMP_FILE CONF_UTMP_FILE
 725 #    endif
 726 #  endif
 727 #endif
 728 #ifndef WTMP_FILE
 729 #  ifdef _PATH_WTMP
 730 #    define WTMP_FILE _PATH_WTMP
 731 #  else
 732 #    ifdef CONF_WTMP_FILE
 733 #      define WTMP_FILE CONF_WTMP_FILE
 734 #    endif
 735 #  endif
 736 #endif
 737 /* pick up the user's location for lastlog if given */
 738 #ifndef LASTLOG_FILE
 739 #  ifdef _PATH_LASTLOG
 740 #    define LASTLOG_FILE _PATH_LASTLOG
 741 #  else
 742 #    ifdef CONF_LASTLOG_FILE
 743 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 744 #    endif
 745 #  endif
 746 #endif
 747
 748 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 749 # define USE_SHADOW
 750 #endif
 751
 752 /* The login() library function in libutil is first choice */
 753 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 754 #  define USE_LOGIN
 755
 756 #else
 757 /* Simply select your favourite login types. */
 758 /* Can't do if-else because some systems use several... <sigh> */
 759 #  if !defined(DISABLE_UTMPX)
 760 #    define USE_UTMPX
 761 #  endif
 762 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 763 #    define USE_UTMP
 764 #  endif
 765 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 766 #    define USE_WTMPX
 767 #  endif
 768 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 769 #    define USE_WTMP
 770 #  endif
 771
 772 #endif
 773
 774 #ifndef UT_LINESIZE
 775 # define UT_LINESIZE 8
 776 #endif
 777
 778 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 779 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 780 #  define USE_LASTLOG
 781 #endif
 782
 783 #ifdef HAVE_OSF_SIA
 784 # ifdef USE_SHADOW
 785 #  undef USE_SHADOW
 786 # endif
 787 # define CUSTOM_SYS_AUTH_PASSWD 1
 788 #endif
 789
 790 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
 791 # define CUSTOM_SYS_AUTH_PASSWD 1
 792 #endif
 793 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 794 # define USE_LIBIAF
 795 #endif
 796
 797 /* HP-UX 11.11 */
 798 #ifdef BTMP_FILE
 799 # define _PATH_BTMP BTMP_FILE
 800 #endif
 801
 802 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 803 # define CUSTOM_FAILED_LOGIN
 804 #endif
 805
 806 /** end of login recorder definitions */
 807
 808 #ifdef BROKEN_GETGROUPS
 809 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 810 #endif
 811
 812 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 813 # undef HAVE_MMAP
 814 #endif
 815
 816 #ifndef IOV_MAX
 817 # if defined(_XOPEN_IOV_MAX)
 818 #  define       IOV_MAX         _XOPEN_IOV_MAX
 819 # elif defined(DEF_IOV_MAX)
 820 #  define       IOV_MAX         DEF_IOV_MAX
 821 # else
 822 #  define       IOV_MAX         16
 823 # endif
 824 #endif
 825
 826 #ifndef EWOULDBLOCK
 827 # define EWOULDBLOCK EAGAIN
 828 #endif
 829
 830 #ifndef INET6_ADDRSTRLEN        /* for non IPv6 machines */
 831 #define INET6_ADDRSTRLEN 46
 832 #endif
 833
 834 #ifndef SSH_IOBUFSZ
 835 # define SSH_IOBUFSZ 8192
 836 #endif
 837
 838 /*
 839  * Platforms that have arc4random_uniform() and not arc4random_stir()
 840  * shouldn't need the latter.
 841  */
 842 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
 843     !defined(HAVE_ARC4RANDOM_STIR)
 844 # define arc4random_stir()
 845 #endif
 846
 847 #ifndef HAVE_VA_COPY
 848 # ifdef HAVE___VA_COPY
 849 #  define va_copy(dest, src) __va_copy(dest, src)
 850 # else
 851 #  define va_copy(dest, src) (dest) = (src)
 852 # endif
 853 #endif
 854
 855 #ifndef __predict_true
 856 # if defined(__GNUC__) && \
 857      ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
 858 #  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
 859 #  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
 860 # else
 861 #  define __predict_true(exp)     ((exp) != 0)
 862 #  define __predict_false(exp)    ((exp) != 0)
 863 # endif /* gcc version */
 864 #endif /* __predict_true */
 865
 866 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \
 867     defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \
 868     defined(HAVE_DECL_GLOB_NOMATCH) &&  HAVE_DECL_GLOB_NOMATCH != 0 && \
 869     !defined(BROKEN_GLOB)
 870 # define USE_SYSTEM_GLOB
 871 #endif
 872
 873 #endif /* _DEFINES_H */