crypto/openssh-4/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 1.127 2005/08/31 16:59:49 tim Exp $ */
  29
  30
  31 /* Constants */
  32
  33 #ifndef SHUT_RDWR
  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 #ifndef MAXSYMLINKS
  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 #ifndef O_NONBLOCK      /* Non Blocking Open */
  94 # define O_NONBLOCK      00004
  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 #ifndef __unused
 147 #define __unused
 148 #endif
 149
 150 /* Types */
 151
 152 /* If sys/types.h does not supply intXX_t, supply them ourselves */
 153 /* (or die trying) */
 154
 155
 156 #ifndef HAVE_U_INT
 157 typedef unsigned int u_int;
 158 #endif
 159
 160 #ifndef HAVE_INTXX_T
 161 # if (SIZEOF_CHAR == 1)
 162 typedef char int8_t;
 163 # else
 164 #  error "8 bit int type not found."
 165 # endif
 166 # if (SIZEOF_SHORT_INT == 2)
 167 typedef short int int16_t;
 168 # else
 169 #  ifdef _UNICOS
 170 #   if (SIZEOF_SHORT_INT == 4)
 171 typedef short int16_t;
 172 #   else
 173 typedef long  int16_t;
 174 #   endif
 175 #  else
 176 #   error "16 bit int type not found."
 177 #  endif /* _UNICOS */
 178 # endif
 179 # if (SIZEOF_INT == 4)
 180 typedef int int32_t;
 181 # else
 182 #  ifdef _UNICOS
 183 typedef long  int32_t;
 184 #  else
 185 #   error "32 bit int type not found."
 186 #  endif /* _UNICOS */
 187 # endif
 188 #endif
 189
 190 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
 191 #ifndef HAVE_U_INTXX_T
 192 # ifdef HAVE_UINTXX_T
 193 typedef uint8_t u_int8_t;
 194 typedef uint16_t u_int16_t;
 195 typedef uint32_t u_int32_t;
 196 # define HAVE_U_INTXX_T 1
 197 # else
 198 #  if (SIZEOF_CHAR == 1)
 199 typedef unsigned char u_int8_t;
 200 #  else
 201 #   error "8 bit int type not found."
 202 #  endif
 203 #  if (SIZEOF_SHORT_INT == 2)
 204 typedef unsigned short int u_int16_t;
 205 #  else
 206 #   ifdef _UNICOS
 207 #    if (SIZEOF_SHORT_INT == 4)
 208 typedef unsigned short u_int16_t;
 209 #    else
 210 typedef unsigned long  u_int16_t;
 211 #    endif
 212 #   else
 213 #    error "16 bit int type not found."
 214 #   endif
 215 #  endif
 216 #  if (SIZEOF_INT == 4)
 217 typedef unsigned int u_int32_t;
 218 #  else
 219 #   ifdef _UNICOS
 220 typedef unsigned long  u_int32_t;
 221 #   else
 222 #    error "32 bit int type not found."
 223 #   endif
 224 #  endif
 225 # endif
 226 #define __BIT_TYPES_DEFINED__
 227 #endif
 228
 229 /* 64-bit types */
 230 #ifndef HAVE_INT64_T
 231 # if (SIZEOF_LONG_INT == 8)
 232 typedef long int int64_t;
 233 # else
 234 #  if (SIZEOF_LONG_LONG_INT == 8)
 235 typedef long long int int64_t;
 236 #  endif
 237 # endif
 238 #endif
 239 #ifndef HAVE_U_INT64_T
 240 # if (SIZEOF_LONG_INT == 8)
 241 typedef unsigned long int u_int64_t;
 242 # else
 243 #  if (SIZEOF_LONG_LONG_INT == 8)
 244 typedef unsigned long long int u_int64_t;
 245 #  endif
 246 # endif
 247 #endif
 248
 249 #ifndef HAVE_U_CHAR
 250 typedef unsigned char u_char;
 251 # define HAVE_U_CHAR
 252 #endif /* HAVE_U_CHAR */
 253
 254 #ifndef SIZE_T_MAX
 255 #define SIZE_T_MAX ULONG_MAX
 256 #endif /* SIZE_T_MAX */
 257
 258 #ifndef HAVE_SIZE_T
 259 typedef unsigned int size_t;
 260 # define HAVE_SIZE_T
 261 # define SIZE_T_MAX UINT_MAX
 262 #endif /* HAVE_SIZE_T */
 263
 264 #ifndef HAVE_SSIZE_T
 265 typedef int ssize_t;
 266 # define HAVE_SSIZE_T
 267 #endif /* HAVE_SSIZE_T */
 268
 269 #ifndef HAVE_CLOCK_T
 270 typedef long clock_t;
 271 # define HAVE_CLOCK_T
 272 #endif /* HAVE_CLOCK_T */
 273
 274 #ifndef HAVE_SA_FAMILY_T
 275 typedef int sa_family_t;
 276 # define HAVE_SA_FAMILY_T
 277 #endif /* HAVE_SA_FAMILY_T */
 278
 279 #ifndef HAVE_PID_T
 280 typedef int pid_t;
 281 # define HAVE_PID_T
 282 #endif /* HAVE_PID_T */
 283
 284 #ifndef HAVE_SIG_ATOMIC_T
 285 typedef int sig_atomic_t;
 286 # define HAVE_SIG_ATOMIC_T
 287 #endif /* HAVE_SIG_ATOMIC_T */
 288
 289 #ifndef HAVE_MODE_T
 290 typedef int mode_t;
 291 # define HAVE_MODE_T
 292 #endif /* HAVE_MODE_T */
 293
 294 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
 295 # define ss_family __ss_family
 296 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
 297
 298 #ifndef HAVE_SYS_UN_H
 299 struct  sockaddr_un {
 300         short   sun_family;             /* AF_UNIX */
 301         char    sun_path[108];          /* path name (gag) */
 302 };
 303 #endif /* HAVE_SYS_UN_H */
 304
 305 #ifndef HAVE_IN_ADDR_T
 306 typedef u_int32_t       in_addr_t;
 307 #endif
 308
 309 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 310 #define _STRUCT_WINSIZE
 311 struct winsize {
 312       unsigned short ws_row;          /* rows, in characters */
 313       unsigned short ws_col;          /* columns, in character */
 314       unsigned short ws_xpixel;       /* horizontal size, pixels */
 315       unsigned short ws_ypixel;       /* vertical size, pixels */
 316 };
 317 #endif
 318
 319 /* *-*-nto-qnx does not define this type in the system headers */
 320 #ifdef MISSING_FD_MASK
 321  typedef unsigned long int      fd_mask;
 322 #endif
 323
 324 /* Paths */
 325
 326 #ifndef _PATH_BSHELL
 327 # define _PATH_BSHELL "/bin/sh"
 328 #endif
 329 #ifndef _PATH_CSHELL
 330 # define _PATH_CSHELL "/bin/csh"
 331 #endif
 332 #ifndef _PATH_SHELLS
 333 # define _PATH_SHELLS "/etc/shells"
 334 #endif
 335
 336 #ifdef USER_PATH
 337 # ifdef _PATH_STDPATH
 338 #  undef _PATH_STDPATH
 339 # endif
 340 # define _PATH_STDPATH USER_PATH
 341 #endif
 342
 343 #ifndef _PATH_STDPATH
 344 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 345 #endif
 346
 347 #ifndef SUPERUSER_PATH
 348 # define SUPERUSER_PATH _PATH_STDPATH
 349 #endif
 350
 351 #ifndef _PATH_DEVNULL
 352 # define _PATH_DEVNULL "/dev/null"
 353 #endif
 354
 355 #ifndef MAIL_DIRECTORY
 356 # define MAIL_DIRECTORY "/var/spool/mail"
 357 #endif
 358
 359 #ifndef MAILDIR
 360 # define MAILDIR MAIL_DIRECTORY
 361 #endif
 362
 363 #if !defined(_PATH_MAILDIR) && defined(MAILDIR)
 364 # define _PATH_MAILDIR MAILDIR
 365 #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
 366
 367 #ifndef _PATH_NOLOGIN
 368 # define _PATH_NOLOGIN "/etc/nologin"
 369 #endif
 370
 371 /* Define this to be the path of the xauth program. */
 372 #ifdef XAUTH_PATH
 373 #define _PATH_XAUTH XAUTH_PATH
 374 #endif /* XAUTH_PATH */
 375
 376 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 377 #ifndef X_UNIX_PATH
 378 #  ifdef __hpux
 379 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 380 #  else
 381 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 382 #  endif
 383 #endif /* X_UNIX_PATH */
 384 #define _PATH_UNIX_X X_UNIX_PATH
 385
 386 #ifndef _PATH_TTY
 387 # define _PATH_TTY "/dev/tty"
 388 #endif
 389
 390 /* Macros */
 391
 392 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 393 # define HAVE_LOGIN_CAP
 394 #endif
 395
 396 #ifndef MAX
 397 # define MAX(a,b) (((a)>(b))?(a):(b))
 398 # define MIN(a,b) (((a)<(b))?(a):(b))
 399 #endif
 400
 401 #ifndef roundup
 402 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 403 #endif
 404
 405 #ifndef timersub
 406 #define timersub(a, b, result)                                  \
 407    do {                                                         \
 408       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 409       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 410       if ((result)->tv_usec < 0) {                              \
 411          --(result)->tv_sec;                                    \
 412          (result)->tv_usec += 1000000;                          \
 413       }                                                         \
 414    } while (0)
 415 #endif
 416
 417 #ifndef TIMEVAL_TO_TIMESPEC
 418 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 419         (ts)->tv_sec = (tv)->tv_sec;                                    \
 420         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 421 }
 422 #endif
 423
 424 #ifndef TIMESPEC_TO_TIMEVAL
 425 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 426         (tv)->tv_sec = (ts)->tv_sec;                                    \
 427         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 428 }
 429 #endif
 430
 431 #ifndef __P
 432 # define __P(x) x
 433 #endif
 434
 435 #if !defined(IN6_IS_ADDR_V4MAPPED)
 436 # define IN6_IS_ADDR_V4MAPPED(a) \
 437         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 438          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 439 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 440
 441 #if !defined(__GNUC__) || (__GNUC__ < 2)
 442 # define __attribute__(x)
 443 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 444
 445 #ifndef __dead
 446 # define __dead __attribute__((noreturn))
 447 #endif
 448
 449 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 450 # define __sentinel__
 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 #ifndef offsetof
 492 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 493 #endif
 494
 495 /* Function replacement / compatibility hacks */
 496
 497 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 498 # define HAVE_GETADDRINFO
 499 #endif
 500
 501 #ifndef HAVE_GETOPT_OPTRESET
 502 # undef getopt
 503 # undef opterr
 504 # undef optind
 505 # undef optopt
 506 # undef optreset
 507 # undef optarg
 508 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 509 # define opterr             BSDopterr
 510 # define optind             BSDoptind
 511 # define optopt             BSDoptopt
 512 # define optreset           BSDoptreset
 513 # define optarg             BSDoptarg
 514 #endif
 515
 516 /* In older versions of libpam, pam_strerror takes a single argument */
 517 #ifdef HAVE_OLD_PAM
 518 # define PAM_STRERROR(a,b) pam_strerror((b))
 519 #else
 520 # define PAM_STRERROR(a,b) pam_strerror((a),(b))
 521 #endif
 522
 523 #ifdef PAM_SUN_CODEBASE
 524 # define PAM_MSG_MEMBER(msg, n, member) ((*(msg))[(n)].member)
 525 #else
 526 # define PAM_MSG_MEMBER(msg, n, member) ((msg)[(n)]->member)
 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(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 544 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 545 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 546
 547 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
 548 #  define USE_VHANGUP
 549 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
 550
 551 #ifndef GETPGRP_VOID
 552 # define getpgrp() getpgrp(0)
 553 #endif
 554
 555 #ifdef USE_BSM_AUDIT
 556 # define SSH_AUDIT_EVENTS
 557 # define CUSTOM_SSH_AUDIT_EVENTS
 558 #endif
 559
 560 /* OPENSSL_free() is Free() in versions before OpenSSL 0.9.6 */
 561 #if !defined(OPENSSL_VERSION_NUMBER) || (OPENSSL_VERSION_NUMBER < 0x0090600f)
 562 # define OPENSSL_free(x) Free(x)
 563 #endif
 564
 565 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 566 #  define __func__ __FUNCTION__
 567 #elif !defined(HAVE___func__)
 568 #  define __func__ ""
 569 #endif
 570
 571 #if defined(KRB5) && !defined(HEIMDAL)
 572 #  define krb5_get_err_text(context,code) error_message(code)
 573 #endif
 574
 575 #if defined(SKEYCHALLENGE_4ARG)
 576 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 577 #else
 578 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 579 #endif
 580
 581 /* Maximum number of file descriptors available */
 582 #ifdef HAVE_SYSCONF
 583 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 584 #else
 585 # define SSH_SYSFDMAX 10000
 586 #endif
 587
 588 #if defined(__Lynx__)
 589  /*
 590   * LynxOS defines these in param.h which we do not want to include since
 591   * it will also pull in a bunch of kernel definitions.
 592   */
 593 # define ALIGNBYTES (sizeof(int) - 1)
 594 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 595   /* Missing prototypes on LynxOS */
 596   int snprintf (char *, size_t, const char *, ...);
 597   int mkstemp (char *);
 598   char *crypt (const char *, const char *);
 599   int seteuid (uid_t);
 600   int setegid (gid_t);
 601   char *mkdtemp (char *);
 602   int rresvport_af (int *, sa_family_t);
 603   int innetgr (const char *, const char *, const char *, const char *);
 604 #endif
 605
 606 /*
 607  * Define this to use pipes instead of socketpairs for communicating with the
 608  * client program.  Socketpairs do not seem to work on all systems.
 609  *
 610  * configure.ac sets this for a few OS's which are known to have problems
 611  * but you may need to set it yourself
 612  */
 613 /* #define USE_PIPES 1 */
 614
 615 /**
 616  ** login recorder definitions
 617  **/
 618
 619 /* FIXME: put default paths back in */
 620 #ifndef UTMP_FILE
 621 #  ifdef _PATH_UTMP
 622 #    define UTMP_FILE _PATH_UTMP
 623 #  else
 624 #    ifdef CONF_UTMP_FILE
 625 #      define UTMP_FILE CONF_UTMP_FILE
 626 #    endif
 627 #  endif
 628 #endif
 629 #ifndef WTMP_FILE
 630 #  ifdef _PATH_WTMP
 631 #    define WTMP_FILE _PATH_WTMP
 632 #  else
 633 #    ifdef CONF_WTMP_FILE
 634 #      define WTMP_FILE CONF_WTMP_FILE
 635 #    endif
 636 #  endif
 637 #endif
 638 /* pick up the user's location for lastlog if given */
 639 #ifndef LASTLOG_FILE
 640 #  ifdef _PATH_LASTLOG
 641 #    define LASTLOG_FILE _PATH_LASTLOG
 642 #  else
 643 #    ifdef CONF_LASTLOG_FILE
 644 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 645 #    endif
 646 #  endif
 647 #endif
 648
 649 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 650 # define USE_SHADOW
 651 #endif
 652
 653 /* The login() library function in libutil is first choice */
 654 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 655 #  define USE_LOGIN
 656
 657 #else
 658 /* Simply select your favourite login types. */
 659 /* Can't do if-else because some systems use several... <sigh> */
 660 #  if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
 661 #    define USE_UTMPX
 662 #  endif
 663 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 664 #    define USE_UTMP
 665 #  endif
 666 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 667 #    define USE_WTMPX
 668 #  endif
 669 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 670 #    define USE_WTMP
 671 #  endif
 672
 673 #endif
 674
 675 #ifndef UT_LINESIZE
 676 # define UT_LINESIZE 8
 677 #endif
 678
 679 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 680 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 681 #  define USE_LASTLOG
 682 #endif
 683
 684 #ifdef HAVE_OSF_SIA
 685 # ifdef USE_SHADOW
 686 #  undef USE_SHADOW
 687 # endif
 688 # define CUSTOM_SYS_AUTH_PASSWD 1
 689 #endif
 690
 691 #if defined(HAVE_LIBIAF)  &&  !defined(BROKEN_LIBIAF)
 692 # define CUSTOM_SYS_AUTH_PASSWD 1
 693 #endif
 694
 695 /* HP-UX 11.11 */
 696 #ifdef BTMP_FILE
 697 # define _PATH_BTMP BTMP_FILE
 698 #endif
 699
 700 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 701 # define CUSTOM_FAILED_LOGIN
 702 #endif
 703
 704 /** end of login recorder definitions */
 705
 706 #ifdef BROKEN_GETGROUPS
 707 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 708 #endif
 709
 710 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 711 # undef HAVE_MMAP
 712 #endif
 713
 714 #endif /* _DEFINES_H */