crypto/openssh-5/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 1.146 2008/02/28 08:22:04 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 #ifndef __dead
 435 # define __dead __attribute__((noreturn))
 436 #endif
 437
 438 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 439 # define __sentinel__
 440 #endif
 441
 442 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 443 # define __bounded__(x, y, z)
 444 #endif
 445
 446 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 447 # define __nonnull__(x)
 448 #endif
 449
 450 /* *-*-nto-qnx doesn't define this macro in the system headers */
 451 #ifdef MISSING_HOWMANY
 452 # define howmany(x,y)   (((x)+((y)-1))/(y))
 453 #endif
 454
 455 #ifndef OSSH_ALIGNBYTES
 456 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 457 #endif
 458 #ifndef __CMSG_ALIGN
 459 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 460 #endif
 461
 462 /* Length of the contents of a control message of length len */
 463 #ifndef CMSG_LEN
 464 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 465 #endif
 466
 467 /* Length of the space taken up by a padded control message of length len */
 468 #ifndef CMSG_SPACE
 469 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 470 #endif
 471
 472 /* given pointer to struct cmsghdr, return pointer to data */
 473 #ifndef CMSG_DATA
 474 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 475 #endif /* CMSG_DATA */
 476
 477 /*
 478  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 479  * an empty list for some reasons.
 480  */
 481 #ifndef CMSG_FIRSTHDR
 482 #define CMSG_FIRSTHDR(mhdr) \
 483         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 484          (struct cmsghdr *)(mhdr)->msg_control : \
 485          (struct cmsghdr *)NULL)
 486 #endif /* CMSG_FIRSTHDR */
 487
 488 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 489 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 490 #endif
 491
 492 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 493 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 494 #ifndef BYTE_ORDER
 495 # ifndef LITTLE_ENDIAN
 496 #  define LITTLE_ENDIAN  1234
 497 # endif /* LITTLE_ENDIAN */
 498 # ifndef BIG_ENDIAN
 499 #  define BIG_ENDIAN     4321
 500 # endif /* BIG_ENDIAN */
 501 # ifdef WORDS_BIGENDIAN
 502 #  define BYTE_ORDER BIG_ENDIAN
 503 # else /* WORDS_BIGENDIAN */
 504 #  define BYTE_ORDER LITTLE_ENDIAN
 505 # endif /* WORDS_BIGENDIAN */
 506 #endif /* BYTE_ORDER */
 507
 508 /* Function replacement / compatibility hacks */
 509
 510 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 511 # define HAVE_GETADDRINFO
 512 #endif
 513
 514 #ifndef HAVE_GETOPT_OPTRESET
 515 # undef getopt
 516 # undef opterr
 517 # undef optind
 518 # undef optopt
 519 # undef optreset
 520 # undef optarg
 521 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 522 # define opterr             BSDopterr
 523 # define optind             BSDoptind
 524 # define optopt             BSDoptopt
 525 # define optreset           BSDoptreset
 526 # define optarg             BSDoptarg
 527 #endif
 528
 529 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 530 # undef HAVE_GETADDRINFO
 531 #endif
 532 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 533 # undef HAVE_FREEADDRINFO
 534 #endif
 535 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 536 # undef HAVE_GAI_STRERROR
 537 #endif
 538
 539 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 540 # undef HAVE_UPDWTMPX
 541 #endif
 542
 543 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 544 # undef HAS_SHADOW_EXPIRE
 545 #endif
 546
 547 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 548     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 549 # define DO_LOG_SAFE_IN_SIGHAND
 550 #endif
 551
 552 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 553 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 554 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 555
 556 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
 557 #  define USE_VHANGUP
 558 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
 559
 560 #ifndef GETPGRP_VOID
 561 # include <unistd.h>
 562 # define getpgrp() getpgrp(0)
 563 #endif
 564
 565 #ifdef USE_BSM_AUDIT
 566 # define SSH_AUDIT_EVENTS
 567 # define CUSTOM_SSH_AUDIT_EVENTS
 568 #endif
 569
 570 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 571 #  define __func__ __FUNCTION__
 572 #elif !defined(HAVE___func__)
 573 #  define __func__ ""
 574 #endif
 575
 576 #if defined(KRB5) && !defined(HEIMDAL)
 577 #  define krb5_get_err_text(context,code) error_message(code)
 578 #endif
 579
 580 #if defined(SKEYCHALLENGE_4ARG)
 581 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 582 #else
 583 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 584 #endif
 585
 586 /* Maximum number of file descriptors available */
 587 #ifdef HAVE_SYSCONF
 588 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 589 #else
 590 # define SSH_SYSFDMAX 10000
 591 #endif
 592
 593 #if defined(__Lynx__)
 594  /*
 595   * LynxOS defines these in param.h which we do not want to include since
 596   * it will also pull in a bunch of kernel definitions.
 597   */
 598 # define ALIGNBYTES (sizeof(int) - 1)
 599 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 600   /* Missing prototypes on LynxOS */
 601   int snprintf (char *, size_t, const char *, ...);
 602   int mkstemp (char *);
 603   char *crypt (const char *, const char *);
 604   int seteuid (uid_t);
 605   int setegid (gid_t);
 606   char *mkdtemp (char *);
 607   int rresvport_af (int *, sa_family_t);
 608   int innetgr (const char *, const char *, const char *, const char *);
 609 #endif
 610
 611 /*
 612  * Define this to use pipes instead of socketpairs for communicating with the
 613  * client program.  Socketpairs do not seem to work on all systems.
 614  *
 615  * configure.ac sets this for a few OS's which are known to have problems
 616  * but you may need to set it yourself
 617  */
 618 /* #define USE_PIPES 1 */
 619
 620 /**
 621  ** login recorder definitions
 622  **/
 623
 624 /* FIXME: put default paths back in */
 625 #ifndef UTMP_FILE
 626 #  ifdef _PATH_UTMP
 627 #    define UTMP_FILE _PATH_UTMP
 628 #  else
 629 #    ifdef CONF_UTMP_FILE
 630 #      define UTMP_FILE CONF_UTMP_FILE
 631 #    endif
 632 #  endif
 633 #endif
 634 #ifndef WTMP_FILE
 635 #  ifdef _PATH_WTMP
 636 #    define WTMP_FILE _PATH_WTMP
 637 #  else
 638 #    ifdef CONF_WTMP_FILE
 639 #      define WTMP_FILE CONF_WTMP_FILE
 640 #    endif
 641 #  endif
 642 #endif
 643 /* pick up the user's location for lastlog if given */
 644 #ifndef LASTLOG_FILE
 645 #  ifdef _PATH_LASTLOG
 646 #    define LASTLOG_FILE _PATH_LASTLOG
 647 #  else
 648 #    ifdef CONF_LASTLOG_FILE
 649 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 650 #    endif
 651 #  endif
 652 #endif
 653
 654 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 655 # define USE_SHADOW
 656 #endif
 657
 658 /* The login() library function in libutil is first choice */
 659 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 660 #  define USE_LOGIN
 661
 662 #else
 663 /* Simply select your favourite login types. */
 664 /* Can't do if-else because some systems use several... <sigh> */
 665 #  if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
 666 #    define USE_UTMPX
 667 #  endif
 668 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 669 #    define USE_UTMP
 670 #  endif
 671 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 672 #    define USE_WTMPX
 673 #  endif
 674 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 675 #    define USE_WTMP
 676 #  endif
 677
 678 #endif
 679
 680 #ifndef UT_LINESIZE
 681 # define UT_LINESIZE 8
 682 #endif
 683
 684 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 685 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 686 #  define USE_LASTLOG
 687 #endif
 688
 689 #ifdef HAVE_OSF_SIA
 690 # ifdef USE_SHADOW
 691 #  undef USE_SHADOW
 692 # endif
 693 # define CUSTOM_SYS_AUTH_PASSWD 1
 694 #endif
 695
 696 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID)
 697 # define CUSTOM_SYS_AUTH_PASSWD 1
 698 #endif
 699 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 700 # define USE_LIBIAF
 701 #endif
 702
 703 /* HP-UX 11.11 */
 704 #ifdef BTMP_FILE
 705 # define _PATH_BTMP BTMP_FILE
 706 #endif
 707
 708 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 709 # define CUSTOM_FAILED_LOGIN
 710 #endif
 711
 712 /** end of login recorder definitions */
 713
 714 #ifdef BROKEN_GETGROUPS
 715 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 716 #endif
 717
 718 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 719 # undef HAVE_MMAP
 720 #endif
 721
 722 #ifndef IOV_MAX
 723 # if defined(_XOPEN_IOV_MAX)
 724 #  define       IOV_MAX         _XOPEN_IOV_MAX
 725 # elif defined(DEF_IOV_MAX)
 726 #  define       IOV_MAX         DEF_IOV_MAX
 727 # else
 728 #  define       IOV_MAX         16
 729 # endif
 730 #endif
 731
 732 #endif /* _DEFINES_H */