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 1.162 2010/10/25 05:54:28 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 SIZE_MAX
 260 #define SIZE_MAX SIZE_T_MAX
 261 #endif
 262
 263 #ifndef HAVE_SSIZE_T
 264 typedef int ssize_t;
 265 # define HAVE_SSIZE_T
 266 #endif /* HAVE_SSIZE_T */
 267
 268 #ifndef HAVE_CLOCK_T
 269 typedef long clock_t;
 270 # define HAVE_CLOCK_T
 271 #endif /* HAVE_CLOCK_T */
 272
 273 #ifndef HAVE_SA_FAMILY_T
 274 typedef int sa_family_t;
 275 # define HAVE_SA_FAMILY_T
 276 #endif /* HAVE_SA_FAMILY_T */
 277
 278 #ifndef HAVE_PID_T
 279 typedef int pid_t;
 280 # define HAVE_PID_T
 281 #endif /* HAVE_PID_T */
 282
 283 #ifndef HAVE_SIG_ATOMIC_T
 284 typedef int sig_atomic_t;
 285 # define HAVE_SIG_ATOMIC_T
 286 #endif /* HAVE_SIG_ATOMIC_T */
 287
 288 #ifndef HAVE_MODE_T
 289 typedef int mode_t;
 290 # define HAVE_MODE_T
 291 #endif /* HAVE_MODE_T */
 292
 293 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
 294 # define ss_family __ss_family
 295 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
 296
 297 #ifndef HAVE_SYS_UN_H
 298 struct  sockaddr_un {
 299         short   sun_family;             /* AF_UNIX */
 300         char    sun_path[108];          /* path name (gag) */
 301 };
 302 #endif /* HAVE_SYS_UN_H */
 303
 304 #ifndef HAVE_IN_ADDR_T
 305 typedef u_int32_t       in_addr_t;
 306 #endif
 307 #ifndef HAVE_IN_PORT_T
 308 typedef u_int16_t       in_port_t;
 309 #endif
 310
 311 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 312 #define _STRUCT_WINSIZE
 313 struct winsize {
 314       unsigned short ws_row;          /* rows, in characters */
 315       unsigned short ws_col;          /* columns, in character */
 316       unsigned short ws_xpixel;       /* horizontal size, pixels */
 317       unsigned short ws_ypixel;       /* vertical size, pixels */
 318 };
 319 #endif
 320
 321 /* *-*-nto-qnx does not define this type in the system headers */
 322 #ifdef MISSING_FD_MASK
 323  typedef unsigned long int      fd_mask;
 324 #endif
 325
 326 /* Paths */
 327
 328 #ifndef _PATH_BSHELL
 329 # define _PATH_BSHELL "/bin/sh"
 330 #endif
 331
 332 #ifdef USER_PATH
 333 # ifdef _PATH_STDPATH
 334 #  undef _PATH_STDPATH
 335 # endif
 336 # define _PATH_STDPATH USER_PATH
 337 #endif
 338
 339 #ifndef _PATH_STDPATH
 340 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 341 #endif
 342
 343 #ifndef SUPERUSER_PATH
 344 # define SUPERUSER_PATH _PATH_STDPATH
 345 #endif
 346
 347 #ifndef _PATH_DEVNULL
 348 # define _PATH_DEVNULL "/dev/null"
 349 #endif
 350
 351 #ifndef MAIL_DIRECTORY
 352 # define MAIL_DIRECTORY "/var/spool/mail"
 353 #endif
 354
 355 #ifndef MAILDIR
 356 # define MAILDIR MAIL_DIRECTORY
 357 #endif
 358
 359 #if !defined(_PATH_MAILDIR) && defined(MAILDIR)
 360 # define _PATH_MAILDIR MAILDIR
 361 #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
 362
 363 #ifndef _PATH_NOLOGIN
 364 # define _PATH_NOLOGIN "/etc/nologin"
 365 #endif
 366
 367 /* Define this to be the path of the xauth program. */
 368 #ifdef XAUTH_PATH
 369 #define _PATH_XAUTH XAUTH_PATH
 370 #endif /* XAUTH_PATH */
 371
 372 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 373 #ifndef X_UNIX_PATH
 374 #  ifdef __hpux
 375 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 376 #  else
 377 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 378 #  endif
 379 #endif /* X_UNIX_PATH */
 380 #define _PATH_UNIX_X X_UNIX_PATH
 381
 382 #ifndef _PATH_TTY
 383 # define _PATH_TTY "/dev/tty"
 384 #endif
 385
 386 /* Macros */
 387
 388 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 389 # define HAVE_LOGIN_CAP
 390 #endif
 391
 392 #ifndef MAX
 393 # define MAX(a,b) (((a)>(b))?(a):(b))
 394 # define MIN(a,b) (((a)<(b))?(a):(b))
 395 #endif
 396
 397 #ifndef roundup
 398 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 399 #endif
 400
 401 #ifndef timersub
 402 #define timersub(a, b, result)                                  \
 403    do {                                                         \
 404       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 405       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 406       if ((result)->tv_usec < 0) {                              \
 407          --(result)->tv_sec;                                    \
 408          (result)->tv_usec += 1000000;                          \
 409       }                                                         \
 410    } while (0)
 411 #endif
 412
 413 #ifndef TIMEVAL_TO_TIMESPEC
 414 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 415         (ts)->tv_sec = (tv)->tv_sec;                                    \
 416         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 417 }
 418 #endif
 419
 420 #ifndef TIMESPEC_TO_TIMEVAL
 421 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 422         (tv)->tv_sec = (ts)->tv_sec;                                    \
 423         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 424 }
 425 #endif
 426
 427 #ifndef __P
 428 # define __P(x) x
 429 #endif
 430
 431 #if !defined(IN6_IS_ADDR_V4MAPPED)
 432 # define IN6_IS_ADDR_V4MAPPED(a) \
 433         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 434          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 435 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 436
 437 #if !defined(__GNUC__) || (__GNUC__ < 2)
 438 # define __attribute__(x)
 439 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 440
 441 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 442 # define __sentinel__
 443 #endif
 444
 445 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 446 # define __bounded__(x, y, z)
 447 #endif
 448
 449 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 450 # define __nonnull__(x)
 451 #endif
 452
 453 /* *-*-nto-qnx doesn't define this macro in the system headers */
 454 #ifdef MISSING_HOWMANY
 455 # define howmany(x,y)   (((x)+((y)-1))/(y))
 456 #endif
 457
 458 #ifndef OSSH_ALIGNBYTES
 459 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 460 #endif
 461 #ifndef __CMSG_ALIGN
 462 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 463 #endif
 464
 465 /* Length of the contents of a control message of length len */
 466 #ifndef CMSG_LEN
 467 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 468 #endif
 469
 470 /* Length of the space taken up by a padded control message of length len */
 471 #ifndef CMSG_SPACE
 472 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 473 #endif
 474
 475 /* given pointer to struct cmsghdr, return pointer to data */
 476 #ifndef CMSG_DATA
 477 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 478 #endif /* CMSG_DATA */
 479
 480 /*
 481  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 482  * an empty list for some reasons.
 483  */
 484 #ifndef CMSG_FIRSTHDR
 485 #define CMSG_FIRSTHDR(mhdr) \
 486         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 487          (struct cmsghdr *)(mhdr)->msg_control : \
 488          (struct cmsghdr *)NULL)
 489 #endif /* CMSG_FIRSTHDR */
 490
 491 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 492 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 493 #endif
 494
 495 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 496 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 497 #ifndef BYTE_ORDER
 498 # ifndef LITTLE_ENDIAN
 499 #  define LITTLE_ENDIAN  1234
 500 # endif /* LITTLE_ENDIAN */
 501 # ifndef BIG_ENDIAN
 502 #  define BIG_ENDIAN     4321
 503 # endif /* BIG_ENDIAN */
 504 # ifdef WORDS_BIGENDIAN
 505 #  define BYTE_ORDER BIG_ENDIAN
 506 # else /* WORDS_BIGENDIAN */
 507 #  define BYTE_ORDER LITTLE_ENDIAN
 508 # endif /* WORDS_BIGENDIAN */
 509 #endif /* BYTE_ORDER */
 510
 511 /* Function replacement / compatibility hacks */
 512
 513 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 514 # define HAVE_GETADDRINFO
 515 #endif
 516
 517 #ifndef HAVE_GETOPT_OPTRESET
 518 # undef getopt
 519 # undef opterr
 520 # undef optind
 521 # undef optopt
 522 # undef optreset
 523 # undef optarg
 524 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 525 # define opterr             BSDopterr
 526 # define optind             BSDoptind
 527 # define optopt             BSDoptopt
 528 # define optreset           BSDoptreset
 529 # define optarg             BSDoptarg
 530 #endif
 531
 532 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 533 # undef HAVE_GETADDRINFO
 534 #endif
 535 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 536 # undef HAVE_FREEADDRINFO
 537 #endif
 538 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 539 # undef HAVE_GAI_STRERROR
 540 #endif
 541
 542 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 543 # undef HAVE_UPDWTMPX
 544 #endif
 545
 546 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 547 # undef HAS_SHADOW_EXPIRE
 548 #endif
 549
 550 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 551     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 552 # define DO_LOG_SAFE_IN_SIGHAND
 553 #endif
 554
 555 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 556 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 557 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 558
 559 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
 560 #  define USE_VHANGUP
 561 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
 562
 563 #ifndef GETPGRP_VOID
 564 # include <unistd.h>
 565 # define getpgrp() getpgrp(0)
 566 #endif
 567
 568 #ifdef USE_BSM_AUDIT
 569 # define SSH_AUDIT_EVENTS
 570 # define CUSTOM_SSH_AUDIT_EVENTS
 571 #endif
 572
 573 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 574 #  define __func__ __FUNCTION__
 575 #elif !defined(HAVE___func__)
 576 #  define __func__ ""
 577 #endif
 578
 579 #if defined(KRB5) && !defined(HEIMDAL)
 580 #  define krb5_get_err_text(context,code) error_message(code)
 581 #endif
 582
 583 #if defined(SKEYCHALLENGE_4ARG)
 584 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 585 #else
 586 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 587 #endif
 588
 589 /* Maximum number of file descriptors available */
 590 #ifdef HAVE_SYSCONF
 591 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 592 #else
 593 # define SSH_SYSFDMAX 10000
 594 #endif
 595
 596 #ifdef FSID_HAS_VAL
 597 /* encode f_fsid into a 64 bit value  */
 598 #define FSID_TO_ULONG(f) \
 599         ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
 600             ((f).val[1] & 0xffffffffUL))
 601 #elif defined(FSID_HAS___VAL)
 602 #define FSID_TO_ULONG(f) \
 603         ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
 604             ((f).__val[1] & 0xffffffffUL))
 605 #else
 606 # define FSID_TO_ULONG(f) ((f))
 607 #endif
 608
 609 #if defined(__Lynx__)
 610  /*
 611   * LynxOS defines these in param.h which we do not want to include since
 612   * it will also pull in a bunch of kernel definitions.
 613   */
 614 # define ALIGNBYTES (sizeof(int) - 1)
 615 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 616   /* Missing prototypes on LynxOS */
 617   int snprintf (char *, size_t, const char *, ...);
 618   int mkstemp (char *);
 619   char *crypt (const char *, const char *);
 620   int seteuid (uid_t);
 621   int setegid (gid_t);
 622   char *mkdtemp (char *);
 623   int rresvport_af (int *, sa_family_t);
 624   int innetgr (const char *, const char *, const char *, const char *);
 625 #endif
 626
 627 /*
 628  * Define this to use pipes instead of socketpairs for communicating with the
 629  * client program.  Socketpairs do not seem to work on all systems.
 630  *
 631  * configure.ac sets this for a few OS's which are known to have problems
 632  * but you may need to set it yourself
 633  */
 634 /* #define USE_PIPES 1 */
 635
 636 /**
 637  ** login recorder definitions
 638  **/
 639
 640 /* FIXME: put default paths back in */
 641 #ifndef UTMP_FILE
 642 #  ifdef _PATH_UTMP
 643 #    define UTMP_FILE _PATH_UTMP
 644 #  else
 645 #    ifdef CONF_UTMP_FILE
 646 #      define UTMP_FILE CONF_UTMP_FILE
 647 #    endif
 648 #  endif
 649 #endif
 650 #ifndef WTMP_FILE
 651 #  ifdef _PATH_WTMP
 652 #    define WTMP_FILE _PATH_WTMP
 653 #  else
 654 #    ifdef CONF_WTMP_FILE
 655 #      define WTMP_FILE CONF_WTMP_FILE
 656 #    endif
 657 #  endif
 658 #endif
 659 /* pick up the user's location for lastlog if given */
 660 #ifndef LASTLOG_FILE
 661 #  ifdef _PATH_LASTLOG
 662 #    define LASTLOG_FILE _PATH_LASTLOG
 663 #  else
 664 #    ifdef CONF_LASTLOG_FILE
 665 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 666 #    endif
 667 #  endif
 668 #endif
 669
 670 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 671 # define USE_SHADOW
 672 #endif
 673
 674 /* The login() library function in libutil is first choice */
 675 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 676 #  define USE_LOGIN
 677
 678 #else
 679 /* Simply select your favourite login types. */
 680 /* Can't do if-else because some systems use several... <sigh> */
 681 #  if !defined(DISABLE_UTMPX)
 682 #    define USE_UTMPX
 683 #  endif
 684 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 685 #    define USE_UTMP
 686 #  endif
 687 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 688 #    define USE_WTMPX
 689 #  endif
 690 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 691 #    define USE_WTMP
 692 #  endif
 693
 694 #endif
 695
 696 #ifndef UT_LINESIZE
 697 # define UT_LINESIZE 8
 698 #endif
 699
 700 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 701 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 702 #  define USE_LASTLOG
 703 #endif
 704
 705 #ifdef HAVE_OSF_SIA
 706 # ifdef USE_SHADOW
 707 #  undef USE_SHADOW
 708 # endif
 709 # define CUSTOM_SYS_AUTH_PASSWD 1
 710 #endif
 711
 712 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
 713 # define CUSTOM_SYS_AUTH_PASSWD 1
 714 #endif
 715 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 716 # define USE_LIBIAF
 717 #endif
 718
 719 /* HP-UX 11.11 */
 720 #ifdef BTMP_FILE
 721 # define _PATH_BTMP BTMP_FILE
 722 #endif
 723
 724 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 725 # define CUSTOM_FAILED_LOGIN
 726 #endif
 727
 728 /** end of login recorder definitions */
 729
 730 #ifdef BROKEN_GETGROUPS
 731 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 732 #endif
 733
 734 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 735 # undef HAVE_MMAP
 736 #endif
 737
 738 #ifndef IOV_MAX
 739 # if defined(_XOPEN_IOV_MAX)
 740 #  define       IOV_MAX         _XOPEN_IOV_MAX
 741 # elif defined(DEF_IOV_MAX)
 742 #  define       IOV_MAX         DEF_IOV_MAX
 743 # else
 744 #  define       IOV_MAX         16
 745 # endif
 746 #endif
 747
 748 #ifndef EWOULDBLOCK
 749 # define EWOULDBLOCK EAGAIN
 750 #endif
 751
 752 #ifndef INET6_ADDRSTRLEN        /* for non IPv6 machines */
 753 #define INET6_ADDRSTRLEN 46
 754 #endif
 755
 756 #ifndef SSH_IOBUFSZ
 757 # define SSH_IOBUFSZ 8192
 758 #endif
 759
 760 #ifndef _NSIG
 761 # ifdef NSIG
 762 #  define _NSIG NSIG
 763 # else
 764 #  define _NSIG 128
 765 # endif
 766 #endif
 767
 768 #endif /* _DEFINES_H */