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 1.153 2009/02/01 11:19:54 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
 304 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 305 #define _STRUCT_WINSIZE
 306 struct winsize {
 307       unsigned short ws_row;          /* rows, in characters */
 308       unsigned short ws_col;          /* columns, in character */
 309       unsigned short ws_xpixel;       /* horizontal size, pixels */
 310       unsigned short ws_ypixel;       /* vertical size, pixels */
 311 };
 312 #endif
 313
 314 /* *-*-nto-qnx does not define this type in the system headers */
 315 #ifdef MISSING_FD_MASK
 316  typedef unsigned long int      fd_mask;
 317 #endif
 318
 319 /* Paths */
 320
 321 #ifndef _PATH_BSHELL
 322 # define _PATH_BSHELL "/bin/sh"
 323 #endif
 324
 325 #ifdef USER_PATH
 326 # ifdef _PATH_STDPATH
 327 #  undef _PATH_STDPATH
 328 # endif
 329 # define _PATH_STDPATH USER_PATH
 330 #endif
 331
 332 #ifndef _PATH_STDPATH
 333 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 334 #endif
 335
 336 #ifndef SUPERUSER_PATH
 337 # define SUPERUSER_PATH _PATH_STDPATH
 338 #endif
 339
 340 #ifndef _PATH_DEVNULL
 341 # define _PATH_DEVNULL "/dev/null"
 342 #endif
 343
 344 #ifndef MAIL_DIRECTORY
 345 # define MAIL_DIRECTORY "/var/spool/mail"
 346 #endif
 347
 348 #ifndef MAILDIR
 349 # define MAILDIR MAIL_DIRECTORY
 350 #endif
 351
 352 #if !defined(_PATH_MAILDIR) && defined(MAILDIR)
 353 # define _PATH_MAILDIR MAILDIR
 354 #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
 355
 356 #ifndef _PATH_NOLOGIN
 357 # define _PATH_NOLOGIN "/etc/nologin"
 358 #endif
 359
 360 /* Define this to be the path of the xauth program. */
 361 #ifdef XAUTH_PATH
 362 #define _PATH_XAUTH XAUTH_PATH
 363 #endif /* XAUTH_PATH */
 364
 365 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 366 #ifndef X_UNIX_PATH
 367 #  ifdef __hpux
 368 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 369 #  else
 370 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 371 #  endif
 372 #endif /* X_UNIX_PATH */
 373 #define _PATH_UNIX_X X_UNIX_PATH
 374
 375 #ifndef _PATH_TTY
 376 # define _PATH_TTY "/dev/tty"
 377 #endif
 378
 379 /* Macros */
 380
 381 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 382 # define HAVE_LOGIN_CAP
 383 #endif
 384
 385 #ifndef MAX
 386 # define MAX(a,b) (((a)>(b))?(a):(b))
 387 # define MIN(a,b) (((a)<(b))?(a):(b))
 388 #endif
 389
 390 #ifndef roundup
 391 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 392 #endif
 393
 394 #ifndef timersub
 395 #define timersub(a, b, result)                                  \
 396    do {                                                         \
 397       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 398       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 399       if ((result)->tv_usec < 0) {                              \
 400          --(result)->tv_sec;                                    \
 401          (result)->tv_usec += 1000000;                          \
 402       }                                                         \
 403    } while (0)
 404 #endif
 405
 406 #ifndef TIMEVAL_TO_TIMESPEC
 407 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 408         (ts)->tv_sec = (tv)->tv_sec;                                    \
 409         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 410 }
 411 #endif
 412
 413 #ifndef TIMESPEC_TO_TIMEVAL
 414 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 415         (tv)->tv_sec = (ts)->tv_sec;                                    \
 416         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 417 }
 418 #endif
 419
 420 #ifndef __P
 421 # define __P(x) x
 422 #endif
 423
 424 #if !defined(IN6_IS_ADDR_V4MAPPED)
 425 # define IN6_IS_ADDR_V4MAPPED(a) \
 426         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 427          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 428 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 429
 430 #if !defined(__GNUC__) || (__GNUC__ < 2)
 431 # define __attribute__(x)
 432 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 433
 434 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 435 # define __sentinel__
 436 #endif
 437
 438 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 439 # define __bounded__(x, y, z)
 440 #endif
 441
 442 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 443 # define __nonnull__(x)
 444 #endif
 445
 446 /* *-*-nto-qnx doesn't define this macro in the system headers */
 447 #ifdef MISSING_HOWMANY
 448 # define howmany(x,y)   (((x)+((y)-1))/(y))
 449 #endif
 450
 451 #ifndef OSSH_ALIGNBYTES
 452 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 453 #endif
 454 #ifndef __CMSG_ALIGN
 455 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 456 #endif
 457
 458 /* Length of the contents of a control message of length len */
 459 #ifndef CMSG_LEN
 460 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 461 #endif
 462
 463 /* Length of the space taken up by a padded control message of length len */
 464 #ifndef CMSG_SPACE
 465 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 466 #endif
 467
 468 /* given pointer to struct cmsghdr, return pointer to data */
 469 #ifndef CMSG_DATA
 470 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 471 #endif /* CMSG_DATA */
 472
 473 /*
 474  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 475  * an empty list for some reasons.
 476  */
 477 #ifndef CMSG_FIRSTHDR
 478 #define CMSG_FIRSTHDR(mhdr) \
 479         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 480          (struct cmsghdr *)(mhdr)->msg_control : \
 481          (struct cmsghdr *)NULL)
 482 #endif /* CMSG_FIRSTHDR */
 483
 484 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 485 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 486 #endif
 487
 488 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 489 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 490 #ifndef BYTE_ORDER
 491 # ifndef LITTLE_ENDIAN
 492 #  define LITTLE_ENDIAN  1234
 493 # endif /* LITTLE_ENDIAN */
 494 # ifndef BIG_ENDIAN
 495 #  define BIG_ENDIAN     4321
 496 # endif /* BIG_ENDIAN */
 497 # ifdef WORDS_BIGENDIAN
 498 #  define BYTE_ORDER BIG_ENDIAN
 499 # else /* WORDS_BIGENDIAN */
 500 #  define BYTE_ORDER LITTLE_ENDIAN
 501 # endif /* WORDS_BIGENDIAN */
 502 #endif /* BYTE_ORDER */
 503
 504 /* Function replacement / compatibility hacks */
 505
 506 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 507 # define HAVE_GETADDRINFO
 508 #endif
 509
 510 #ifndef HAVE_GETOPT_OPTRESET
 511 # undef getopt
 512 # undef opterr
 513 # undef optind
 514 # undef optopt
 515 # undef optreset
 516 # undef optarg
 517 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 518 # define opterr             BSDopterr
 519 # define optind             BSDoptind
 520 # define optopt             BSDoptopt
 521 # define optreset           BSDoptreset
 522 # define optarg             BSDoptarg
 523 #endif
 524
 525 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 526 # undef HAVE_GETADDRINFO
 527 #endif
 528 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 529 # undef HAVE_FREEADDRINFO
 530 #endif
 531 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 532 # undef HAVE_GAI_STRERROR
 533 #endif
 534
 535 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 536 # undef HAVE_UPDWTMPX
 537 #endif
 538
 539 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 540 # undef HAS_SHADOW_EXPIRE
 541 #endif
 542
 543 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 544     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 545 # define DO_LOG_SAFE_IN_SIGHAND
 546 #endif
 547
 548 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 549 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 550 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 551
 552 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
 553 #  define USE_VHANGUP
 554 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
 555
 556 #ifndef GETPGRP_VOID
 557 # include <unistd.h>
 558 # define getpgrp() getpgrp(0)
 559 #endif
 560
 561 #ifdef USE_BSM_AUDIT
 562 # define SSH_AUDIT_EVENTS
 563 # define CUSTOM_SSH_AUDIT_EVENTS
 564 #endif
 565
 566 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 567 #  define __func__ __FUNCTION__
 568 #elif !defined(HAVE___func__)
 569 #  define __func__ ""
 570 #endif
 571
 572 #if defined(KRB5) && !defined(HEIMDAL)
 573 #  define krb5_get_err_text(context,code) error_message(code)
 574 #endif
 575
 576 #if defined(SKEYCHALLENGE_4ARG)
 577 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 578 #else
 579 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 580 #endif
 581
 582 /* Maximum number of file descriptors available */
 583 #ifdef HAVE_SYSCONF
 584 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 585 #else
 586 # define SSH_SYSFDMAX 10000
 587 #endif
 588
 589 #ifdef FSID_HAS_VAL
 590 /* encode f_fsid into a 64 bit value  */
 591 #define FSID_TO_ULONG(f) \
 592         ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
 593             ((f).val[1] & 0xffffffffUL))
 594 #else
 595 # define FSID_TO_ULONG(f) ((f))
 596 #endif
 597
 598 #if defined(__Lynx__)
 599  /*
 600   * LynxOS defines these in param.h which we do not want to include since
 601   * it will also pull in a bunch of kernel definitions.
 602   */
 603 # define ALIGNBYTES (sizeof(int) - 1)
 604 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 605   /* Missing prototypes on LynxOS */
 606   int snprintf (char *, size_t, const char *, ...);
 607   int mkstemp (char *);
 608   char *crypt (const char *, const char *);
 609   int seteuid (uid_t);
 610   int setegid (gid_t);
 611   char *mkdtemp (char *);
 612   int rresvport_af (int *, sa_family_t);
 613   int innetgr (const char *, const char *, const char *, const char *);
 614 #endif
 615
 616 /*
 617  * Define this to use pipes instead of socketpairs for communicating with the
 618  * client program.  Socketpairs do not seem to work on all systems.
 619  *
 620  * configure.ac sets this for a few OS's which are known to have problems
 621  * but you may need to set it yourself
 622  */
 623 /* #define USE_PIPES 1 */
 624
 625 /**
 626  ** login recorder definitions
 627  **/
 628
 629 /* FIXME: put default paths back in */
 630 #ifndef UTMP_FILE
 631 #  ifdef _PATH_UTMP
 632 #    define UTMP_FILE _PATH_UTMP
 633 #  else
 634 #    ifdef CONF_UTMP_FILE
 635 #      define UTMP_FILE CONF_UTMP_FILE
 636 #    endif
 637 #  endif
 638 #endif
 639 #ifndef WTMP_FILE
 640 #  ifdef _PATH_WTMP
 641 #    define WTMP_FILE _PATH_WTMP
 642 #  else
 643 #    ifdef CONF_WTMP_FILE
 644 #      define WTMP_FILE CONF_WTMP_FILE
 645 #    endif
 646 #  endif
 647 #endif
 648 /* pick up the user's location for lastlog if given */
 649 #ifndef LASTLOG_FILE
 650 #  ifdef _PATH_LASTLOG
 651 #    define LASTLOG_FILE _PATH_LASTLOG
 652 #  else
 653 #    ifdef CONF_LASTLOG_FILE
 654 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 655 #    endif
 656 #  endif
 657 #endif
 658
 659 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 660 # define USE_SHADOW
 661 #endif
 662
 663 /* The login() library function in libutil is first choice */
 664 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 665 #  define USE_LOGIN
 666
 667 #else
 668 /* Simply select your favourite login types. */
 669 /* Can't do if-else because some systems use several... <sigh> */
 670 #  if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
 671 #    define USE_UTMPX
 672 #  endif
 673 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 674 #    define USE_UTMP
 675 #  endif
 676 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 677 #    define USE_WTMPX
 678 #  endif
 679 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 680 #    define USE_WTMP
 681 #  endif
 682
 683 #endif
 684
 685 #ifndef UT_LINESIZE
 686 # define UT_LINESIZE 8
 687 #endif
 688
 689 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 690 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 691 #  define USE_LASTLOG
 692 #endif
 693
 694 #ifdef HAVE_OSF_SIA
 695 # ifdef USE_SHADOW
 696 #  undef USE_SHADOW
 697 # endif
 698 # define CUSTOM_SYS_AUTH_PASSWD 1
 699 #endif
 700
 701 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
 702 # define CUSTOM_SYS_AUTH_PASSWD 1
 703 #endif
 704 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 705 # define USE_LIBIAF
 706 #endif
 707
 708 /* HP-UX 11.11 */
 709 #ifdef BTMP_FILE
 710 # define _PATH_BTMP BTMP_FILE
 711 #endif
 712
 713 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 714 # define CUSTOM_FAILED_LOGIN
 715 #endif
 716
 717 /** end of login recorder definitions */
 718
 719 #ifdef BROKEN_GETGROUPS
 720 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 721 #endif
 722
 723 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 724 # undef HAVE_MMAP
 725 #endif
 726
 727 #ifndef IOV_MAX
 728 # if defined(_XOPEN_IOV_MAX)
 729 #  define       IOV_MAX         _XOPEN_IOV_MAX
 730 # elif defined(DEF_IOV_MAX)
 731 #  define       IOV_MAX         DEF_IOV_MAX
 732 # else
 733 #  define       IOV_MAX         16
 734 # endif
 735 #endif
 736
 737 #ifndef EWOULDBLOCK
 738 # define EWOULDBLOCK EAGAIN
 739 #endif
 740
 741 #ifndef INET6_ADDRSTRLEN        /* for non IPv6 machines */
 742 #define INET6_ADDRSTRLEN 46
 743 #endif
 744
 745 #endif /* _DEFINES_H */