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 1.156 2009/08/28 01:21:07 dtucker 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 #ifndef IPTOS_LOWDELAY
  46 # define IPTOS_LOWDELAY          0x10
  47 # define IPTOS_THROUGHPUT        0x08
  48 # define IPTOS_RELIABILITY       0x04
  49 # define IPTOS_LOWCOST           0x02
  50 # define IPTOS_MINCOST           IPTOS_LOWCOST
  51 #endif /* IPTOS_LOWDELAY */
  52
  53 #ifndef MAXPATHLEN
  54 # ifdef PATH_MAX
  55 #  define MAXPATHLEN PATH_MAX
  56 # else /* PATH_MAX */
  57 #  define MAXPATHLEN 64
  58 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
  59 #  ifndef BROKEN_REALPATH
  60 #   define BROKEN_REALPATH 1
  61 #  endif /* BROKEN_REALPATH */
  62 # endif /* PATH_MAX */
  63 #endif /* MAXPATHLEN */
  64
  65 #ifndef PATH_MAX
  66 # ifdef _POSIX_PATH_MAX
  67 # define PATH_MAX _POSIX_PATH_MAX
  68 # endif
  69 #endif
  70
  71 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
  72 # define MAXSYMLINKS 5
  73 #endif
  74
  75 #ifndef STDIN_FILENO
  76 # define STDIN_FILENO    0
  77 #endif
  78 #ifndef STDOUT_FILENO
  79 # define STDOUT_FILENO   1
  80 #endif
  81 #ifndef STDERR_FILENO
  82 # define STDERR_FILENO   2
  83 #endif
  84
  85 #ifndef NGROUPS_MAX     /* Disable groupaccess if NGROUP_MAX is not set */
  86 #ifdef NGROUPS
  87 #define NGROUPS_MAX NGROUPS
  88 #else
  89 #define NGROUPS_MAX 0
  90 #endif
  91 #endif
  92
  93 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
  94 # define O_NONBLOCK      00004  /* Non Blocking Open */
  95 #endif
  96
  97 #ifndef S_ISDIR
  98 # define S_ISDIR(mode)  (((mode) & (_S_IFMT)) == (_S_IFDIR))
  99 #endif /* S_ISDIR */
 100
 101 #ifndef S_ISREG
 102 # define S_ISREG(mode)  (((mode) & (_S_IFMT)) == (_S_IFREG))
 103 #endif /* S_ISREG */
 104
 105 #ifndef S_ISLNK
 106 # define S_ISLNK(mode)  (((mode) & S_IFMT) == S_IFLNK)
 107 #endif /* S_ISLNK */
 108
 109 #ifndef S_IXUSR
 110 # define S_IXUSR                        0000100 /* execute/search permission, */
 111 # define S_IXGRP                        0000010 /* execute/search permission, */
 112 # define S_IXOTH                        0000001 /* execute/search permission, */
 113 # define _S_IWUSR                       0000200 /* write permission, */
 114 # define S_IWUSR                        _S_IWUSR        /* write permission, owner */
 115 # define S_IWGRP                        0000020 /* write permission, group */
 116 # define S_IWOTH                        0000002 /* write permission, other */
 117 # define S_IRUSR                        0000400 /* read permission, owner */
 118 # define S_IRGRP                        0000040 /* read permission, group */
 119 # define S_IROTH                        0000004 /* read permission, other */
 120 # define S_IRWXU                        0000700 /* read, write, execute */
 121 # define S_IRWXG                        0000070 /* read, write, execute */
 122 # define S_IRWXO                        0000007 /* read, write, execute */
 123 #endif /* S_IXUSR */
 124
 125 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 126 #define MAP_ANON MAP_ANONYMOUS
 127 #endif
 128
 129 #ifndef MAP_FAILED
 130 # define MAP_FAILED ((void *)-1)
 131 #endif
 132
 133 /* *-*-nto-qnx doesn't define this constant in the system headers */
 134 #ifdef MISSING_NFDBITS
 135 # define        NFDBITS (8 * sizeof(unsigned long))
 136 #endif
 137
 138 /*
 139 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
 140 including rpc/rpc.h breaks Solaris 6
 141 */
 142 #ifndef INADDR_LOOPBACK
 143 #define INADDR_LOOPBACK ((u_long)0x7f000001)
 144 #endif
 145
 146 /* Types */
 147
 148 /* If sys/types.h does not supply intXX_t, supply them ourselves */
 149 /* (or die trying) */
 150
 151 #ifndef HAVE_U_INT
 152 typedef unsigned int u_int;
 153 #endif
 154
 155 #ifndef HAVE_INTXX_T
 156 # if (SIZEOF_CHAR == 1)
 157 typedef char int8_t;
 158 # else
 159 #  error "8 bit int type not found."
 160 # endif
 161 # if (SIZEOF_SHORT_INT == 2)
 162 typedef short int int16_t;
 163 # else
 164 #  ifdef _UNICOS
 165 #   if (SIZEOF_SHORT_INT == 4)
 166 typedef short int16_t;
 167 #   else
 168 typedef long  int16_t;
 169 #   endif
 170 #  else
 171 #   error "16 bit int type not found."
 172 #  endif /* _UNICOS */
 173 # endif
 174 # if (SIZEOF_INT == 4)
 175 typedef int int32_t;
 176 # else
 177 #  ifdef _UNICOS
 178 typedef long  int32_t;
 179 #  else
 180 #   error "32 bit int type not found."
 181 #  endif /* _UNICOS */
 182 # endif
 183 #endif
 184
 185 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
 186 #ifndef HAVE_U_INTXX_T
 187 # ifdef HAVE_UINTXX_T
 188 typedef uint8_t u_int8_t;
 189 typedef uint16_t u_int16_t;
 190 typedef uint32_t u_int32_t;
 191 # define HAVE_U_INTXX_T 1
 192 # else
 193 #  if (SIZEOF_CHAR == 1)
 194 typedef unsigned char u_int8_t;
 195 #  else
 196 #   error "8 bit int type not found."
 197 #  endif
 198 #  if (SIZEOF_SHORT_INT == 2)
 199 typedef unsigned short int u_int16_t;
 200 #  else
 201 #   ifdef _UNICOS
 202 #    if (SIZEOF_SHORT_INT == 4)
 203 typedef unsigned short u_int16_t;
 204 #    else
 205 typedef unsigned long  u_int16_t;
 206 #    endif
 207 #   else
 208 #    error "16 bit int type not found."
 209 #   endif
 210 #  endif
 211 #  if (SIZEOF_INT == 4)
 212 typedef unsigned int u_int32_t;
 213 #  else
 214 #   ifdef _UNICOS
 215 typedef unsigned long  u_int32_t;
 216 #   else
 217 #    error "32 bit int type not found."
 218 #   endif
 219 #  endif
 220 # endif
 221 #define __BIT_TYPES_DEFINED__
 222 #endif
 223
 224 /* 64-bit types */
 225 #ifndef HAVE_INT64_T
 226 # if (SIZEOF_LONG_INT == 8)
 227 typedef long int int64_t;
 228 # else
 229 #  if (SIZEOF_LONG_LONG_INT == 8)
 230 typedef long long int int64_t;
 231 #  endif
 232 # endif
 233 #endif
 234 #ifndef HAVE_U_INT64_T
 235 # if (SIZEOF_LONG_INT == 8)
 236 typedef unsigned long int u_int64_t;
 237 # else
 238 #  if (SIZEOF_LONG_LONG_INT == 8)
 239 typedef unsigned long long int u_int64_t;
 240 #  endif
 241 # endif
 242 #endif
 243
 244 #ifndef HAVE_U_CHAR
 245 typedef unsigned char u_char;
 246 # define HAVE_U_CHAR
 247 #endif /* HAVE_U_CHAR */
 248
 249 #ifndef SIZE_T_MAX
 250 #define SIZE_T_MAX ULONG_MAX
 251 #endif /* SIZE_T_MAX */
 252
 253 #ifndef HAVE_SIZE_T
 254 typedef unsigned int size_t;
 255 # define HAVE_SIZE_T
 256 # define SIZE_T_MAX UINT_MAX
 257 #endif /* HAVE_SIZE_T */
 258
 259 #ifndef HAVE_SSIZE_T
 260 typedef int ssize_t;
 261 # define HAVE_SSIZE_T
 262 #endif /* HAVE_SSIZE_T */
 263
 264 #ifndef HAVE_CLOCK_T
 265 typedef long clock_t;
 266 # define HAVE_CLOCK_T
 267 #endif /* HAVE_CLOCK_T */
 268
 269 #ifndef HAVE_SA_FAMILY_T
 270 typedef int sa_family_t;
 271 # define HAVE_SA_FAMILY_T
 272 #endif /* HAVE_SA_FAMILY_T */
 273
 274 #ifndef HAVE_PID_T
 275 typedef int pid_t;
 276 # define HAVE_PID_T
 277 #endif /* HAVE_PID_T */
 278
 279 #ifndef HAVE_SIG_ATOMIC_T
 280 typedef int sig_atomic_t;
 281 # define HAVE_SIG_ATOMIC_T
 282 #endif /* HAVE_SIG_ATOMIC_T */
 283
 284 #ifndef HAVE_MODE_T
 285 typedef int mode_t;
 286 # define HAVE_MODE_T
 287 #endif /* HAVE_MODE_T */
 288
 289 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
 290 # define ss_family __ss_family
 291 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
 292
 293 #ifndef HAVE_SYS_UN_H
 294 struct  sockaddr_un {
 295         short   sun_family;             /* AF_UNIX */
 296         char    sun_path[108];          /* path name (gag) */
 297 };
 298 #endif /* HAVE_SYS_UN_H */
 299
 300 #ifndef HAVE_IN_ADDR_T
 301 typedef u_int32_t       in_addr_t;
 302 #endif
 303 #ifndef HAVE_IN_PORT_T
 304 typedef u_int16_t       in_port_t;
 305 #endif
 306
 307 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 308 #define _STRUCT_WINSIZE
 309 struct winsize {
 310       unsigned short ws_row;          /* rows, in characters */
 311       unsigned short ws_col;          /* columns, in character */
 312       unsigned short ws_xpixel;       /* horizontal size, pixels */
 313       unsigned short ws_ypixel;       /* vertical size, pixels */
 314 };
 315 #endif
 316
 317 /* *-*-nto-qnx does not define this type in the system headers */
 318 #ifdef MISSING_FD_MASK
 319  typedef unsigned long int      fd_mask;
 320 #endif
 321
 322 /* Paths */
 323
 324 #ifndef _PATH_BSHELL
 325 # define _PATH_BSHELL "/bin/sh"
 326 #endif
 327
 328 #ifdef USER_PATH
 329 # ifdef _PATH_STDPATH
 330 #  undef _PATH_STDPATH
 331 # endif
 332 # define _PATH_STDPATH USER_PATH
 333 #endif
 334
 335 #ifndef _PATH_STDPATH
 336 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 337 #endif
 338
 339 #ifndef SUPERUSER_PATH
 340 # define SUPERUSER_PATH _PATH_STDPATH
 341 #endif
 342
 343 #ifndef _PATH_DEVNULL
 344 # define _PATH_DEVNULL "/dev/null"
 345 #endif
 346
 347 #ifndef MAIL_DIRECTORY
 348 # define MAIL_DIRECTORY "/var/spool/mail"
 349 #endif
 350
 351 #ifndef MAILDIR
 352 # define MAILDIR MAIL_DIRECTORY
 353 #endif
 354
 355 #if !defined(_PATH_MAILDIR) && defined(MAILDIR)
 356 # define _PATH_MAILDIR MAILDIR
 357 #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
 358
 359 #ifndef _PATH_NOLOGIN
 360 # define _PATH_NOLOGIN "/etc/nologin"
 361 #endif
 362
 363 /* Define this to be the path of the xauth program. */
 364 #ifdef XAUTH_PATH
 365 #define _PATH_XAUTH XAUTH_PATH
 366 #endif /* XAUTH_PATH */
 367
 368 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 369 #ifndef X_UNIX_PATH
 370 #  ifdef __hpux
 371 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 372 #  else
 373 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 374 #  endif
 375 #endif /* X_UNIX_PATH */
 376 #define _PATH_UNIX_X X_UNIX_PATH
 377
 378 #ifndef _PATH_TTY
 379 # define _PATH_TTY "/dev/tty"
 380 #endif
 381
 382 /* Macros */
 383
 384 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 385 # define HAVE_LOGIN_CAP
 386 #endif
 387
 388 #ifndef MAX
 389 # define MAX(a,b) (((a)>(b))?(a):(b))
 390 # define MIN(a,b) (((a)<(b))?(a):(b))
 391 #endif
 392
 393 #ifndef roundup
 394 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 395 #endif
 396
 397 #ifndef timersub
 398 #define timersub(a, b, result)                                  \
 399    do {                                                         \
 400       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 401       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 402       if ((result)->tv_usec < 0) {                              \
 403          --(result)->tv_sec;                                    \
 404          (result)->tv_usec += 1000000;                          \
 405       }                                                         \
 406    } while (0)
 407 #endif
 408
 409 #ifndef TIMEVAL_TO_TIMESPEC
 410 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 411         (ts)->tv_sec = (tv)->tv_sec;                                    \
 412         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 413 }
 414 #endif
 415
 416 #ifndef TIMESPEC_TO_TIMEVAL
 417 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 418         (tv)->tv_sec = (ts)->tv_sec;                                    \
 419         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 420 }
 421 #endif
 422
 423 #ifndef __P
 424 # define __P(x) x
 425 #endif
 426
 427 #if !defined(IN6_IS_ADDR_V4MAPPED)
 428 # define IN6_IS_ADDR_V4MAPPED(a) \
 429         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 430          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 431 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 432
 433 #if !defined(__GNUC__) || (__GNUC__ < 2)
 434 # define __attribute__(x)
 435 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 436
 437 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 438 # define __sentinel__
 439 #endif
 440
 441 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 442 # define __bounded__(x, y, z)
 443 #endif
 444
 445 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 446 # define __nonnull__(x)
 447 #endif
 448
 449 /* *-*-nto-qnx doesn't define this macro in the system headers */
 450 #ifdef MISSING_HOWMANY
 451 # define howmany(x,y)   (((x)+((y)-1))/(y))
 452 #endif
 453
 454 #ifndef OSSH_ALIGNBYTES
 455 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 456 #endif
 457 #ifndef __CMSG_ALIGN
 458 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 459 #endif
 460
 461 /* Length of the contents of a control message of length len */
 462 #ifndef CMSG_LEN
 463 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 464 #endif
 465
 466 /* Length of the space taken up by a padded control message of length len */
 467 #ifndef CMSG_SPACE
 468 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 469 #endif
 470
 471 /* given pointer to struct cmsghdr, return pointer to data */
 472 #ifndef CMSG_DATA
 473 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 474 #endif /* CMSG_DATA */
 475
 476 /*
 477  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 478  * an empty list for some reasons.
 479  */
 480 #ifndef CMSG_FIRSTHDR
 481 #define CMSG_FIRSTHDR(mhdr) \
 482         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 483          (struct cmsghdr *)(mhdr)->msg_control : \
 484          (struct cmsghdr *)NULL)
 485 #endif /* CMSG_FIRSTHDR */
 486
 487 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 488 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 489 #endif
 490
 491 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 492 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 493 #ifndef BYTE_ORDER
 494 # ifndef LITTLE_ENDIAN
 495 #  define LITTLE_ENDIAN  1234
 496 # endif /* LITTLE_ENDIAN */
 497 # ifndef BIG_ENDIAN
 498 #  define BIG_ENDIAN     4321
 499 # endif /* BIG_ENDIAN */
 500 # ifdef WORDS_BIGENDIAN
 501 #  define BYTE_ORDER BIG_ENDIAN
 502 # else /* WORDS_BIGENDIAN */
 503 #  define BYTE_ORDER LITTLE_ENDIAN
 504 # endif /* WORDS_BIGENDIAN */
 505 #endif /* BYTE_ORDER */
 506
 507 /* Function replacement / compatibility hacks */
 508
 509 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 510 # define HAVE_GETADDRINFO
 511 #endif
 512
 513 #ifndef HAVE_GETOPT_OPTRESET
 514 # undef getopt
 515 # undef opterr
 516 # undef optind
 517 # undef optopt
 518 # undef optreset
 519 # undef optarg
 520 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 521 # define opterr             BSDopterr
 522 # define optind             BSDoptind
 523 # define optopt             BSDoptopt
 524 # define optreset           BSDoptreset
 525 # define optarg             BSDoptarg
 526 #endif
 527
 528 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 529 # undef HAVE_GETADDRINFO
 530 #endif
 531 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 532 # undef HAVE_FREEADDRINFO
 533 #endif
 534 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 535 # undef HAVE_GAI_STRERROR
 536 #endif
 537
 538 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 539 # undef HAVE_UPDWTMPX
 540 #endif
 541
 542 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 543 # undef HAS_SHADOW_EXPIRE
 544 #endif
 545
 546 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 547     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 548 # define DO_LOG_SAFE_IN_SIGHAND
 549 #endif
 550
 551 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 552 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 553 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 554
 555 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
 556 #  define USE_VHANGUP
 557 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
 558
 559 #ifndef GETPGRP_VOID
 560 # include <unistd.h>
 561 # define getpgrp() getpgrp(0)
 562 #endif
 563
 564 #ifdef USE_BSM_AUDIT
 565 # define SSH_AUDIT_EVENTS
 566 # define CUSTOM_SSH_AUDIT_EVENTS
 567 #endif
 568
 569 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 570 #  define __func__ __FUNCTION__
 571 #elif !defined(HAVE___func__)
 572 #  define __func__ ""
 573 #endif
 574
 575 #if defined(KRB5) && !defined(HEIMDAL)
 576 #  define krb5_get_err_text(context,code) error_message(code)
 577 #endif
 578
 579 #if defined(SKEYCHALLENGE_4ARG)
 580 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 581 #else
 582 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 583 #endif
 584
 585 /* Maximum number of file descriptors available */
 586 #ifdef HAVE_SYSCONF
 587 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 588 #else
 589 # define SSH_SYSFDMAX 10000
 590 #endif
 591
 592 #ifdef FSID_HAS_VAL
 593 /* encode f_fsid into a 64 bit value  */
 594 #define FSID_TO_ULONG(f) \
 595         ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
 596             ((f).val[1] & 0xffffffffUL))
 597 #elif defined(FSID_HAS___VAL)
 598 #define FSID_TO_ULONG(f) \
 599         ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
 600             ((f).__val[1] & 0xffffffffUL))
 601 #else
 602 # define FSID_TO_ULONG(f) ((f))
 603 #endif
 604
 605 #if defined(__Lynx__)
 606  /*
 607   * LynxOS defines these in param.h which we do not want to include since
 608   * it will also pull in a bunch of kernel definitions.
 609   */
 610 # define ALIGNBYTES (sizeof(int) - 1)
 611 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 612   /* Missing prototypes on LynxOS */
 613   int snprintf (char *, size_t, const char *, ...);
 614   int mkstemp (char *);
 615   char *crypt (const char *, const char *);
 616   int seteuid (uid_t);
 617   int setegid (gid_t);
 618   char *mkdtemp (char *);
 619   int rresvport_af (int *, sa_family_t);
 620   int innetgr (const char *, const char *, const char *, const char *);
 621 #endif
 622
 623 /*
 624  * Define this to use pipes instead of socketpairs for communicating with the
 625  * client program.  Socketpairs do not seem to work on all systems.
 626  *
 627  * configure.ac sets this for a few OS's which are known to have problems
 628  * but you may need to set it yourself
 629  */
 630 /* #define USE_PIPES 1 */
 631
 632 /**
 633  ** login recorder definitions
 634  **/
 635
 636 /* FIXME: put default paths back in */
 637 #ifndef UTMP_FILE
 638 #  ifdef _PATH_UTMP
 639 #    define UTMP_FILE _PATH_UTMP
 640 #  else
 641 #    ifdef CONF_UTMP_FILE
 642 #      define UTMP_FILE CONF_UTMP_FILE
 643 #    endif
 644 #  endif
 645 #endif
 646 #ifndef WTMP_FILE
 647 #  ifdef _PATH_WTMP
 648 #    define WTMP_FILE _PATH_WTMP
 649 #  else
 650 #    ifdef CONF_WTMP_FILE
 651 #      define WTMP_FILE CONF_WTMP_FILE
 652 #    endif
 653 #  endif
 654 #endif
 655 /* pick up the user's location for lastlog if given */
 656 #ifndef LASTLOG_FILE
 657 #  ifdef _PATH_LASTLOG
 658 #    define LASTLOG_FILE _PATH_LASTLOG
 659 #  else
 660 #    ifdef CONF_LASTLOG_FILE
 661 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 662 #    endif
 663 #  endif
 664 #endif
 665
 666 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 667 # define USE_SHADOW
 668 #endif
 669
 670 /* The login() library function in libutil is first choice */
 671 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 672 #  define USE_LOGIN
 673
 674 #else
 675 /* Simply select your favourite login types. */
 676 /* Can't do if-else because some systems use several... <sigh> */
 677 #  if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
 678 #    define USE_UTMPX
 679 #  endif
 680 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 681 #    define USE_UTMP
 682 #  endif
 683 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 684 #    define USE_WTMPX
 685 #  endif
 686 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 687 #    define USE_WTMP
 688 #  endif
 689
 690 #endif
 691
 692 #ifndef UT_LINESIZE
 693 # define UT_LINESIZE 8
 694 #endif
 695
 696 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 697 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 698 #  define USE_LASTLOG
 699 #endif
 700
 701 #ifdef HAVE_OSF_SIA
 702 # ifdef USE_SHADOW
 703 #  undef USE_SHADOW
 704 # endif
 705 # define CUSTOM_SYS_AUTH_PASSWD 1
 706 #endif
 707
 708 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
 709 # define CUSTOM_SYS_AUTH_PASSWD 1
 710 #endif
 711 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 712 # define USE_LIBIAF
 713 #endif
 714
 715 /* HP-UX 11.11 */
 716 #ifdef BTMP_FILE
 717 # define _PATH_BTMP BTMP_FILE
 718 #endif
 719
 720 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 721 # define CUSTOM_FAILED_LOGIN
 722 #endif
 723
 724 /** end of login recorder definitions */
 725
 726 #ifdef BROKEN_GETGROUPS
 727 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 728 #endif
 729
 730 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 731 # undef HAVE_MMAP
 732 #endif
 733
 734 #ifndef IOV_MAX
 735 # if defined(_XOPEN_IOV_MAX)
 736 #  define       IOV_MAX         _XOPEN_IOV_MAX
 737 # elif defined(DEF_IOV_MAX)
 738 #  define       IOV_MAX         DEF_IOV_MAX
 739 # else
 740 #  define       IOV_MAX         16
 741 # endif
 742 #endif
 743
 744 #ifndef EWOULDBLOCK
 745 # define EWOULDBLOCK EAGAIN
 746 #endif
 747
 748 #ifndef INET6_ADDRSTRLEN        /* for non IPv6 machines */
 749 #define INET6_ADDRSTRLEN 46
 750 #endif
 751
 752 #ifndef SSH_IOBUFSZ
 753 # define SSH_IOBUFSZ 8192
 754 #endif
 755
 756 #endif /* _DEFINES_H */