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 1.135 2006/08/05 02:43:33 djm 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 #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 #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 #ifndef _PATH_CSHELL
 325 # define _PATH_CSHELL "/bin/csh"
 326 #endif
 327 #ifndef _PATH_SHELLS
 328 # define _PATH_SHELLS "/etc/shells"
 329 #endif
 330
 331 #ifdef USER_PATH
 332 # ifdef _PATH_STDPATH
 333 #  undef _PATH_STDPATH
 334 # endif
 335 # define _PATH_STDPATH USER_PATH
 336 #endif
 337
 338 #ifndef _PATH_STDPATH
 339 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 340 #endif
 341
 342 #ifndef SUPERUSER_PATH
 343 # define SUPERUSER_PATH _PATH_STDPATH
 344 #endif
 345
 346 #ifndef _PATH_DEVNULL
 347 # define _PATH_DEVNULL "/dev/null"
 348 #endif
 349
 350 #ifndef MAIL_DIRECTORY
 351 # define MAIL_DIRECTORY "/var/spool/mail"
 352 #endif
 353
 354 #ifndef MAILDIR
 355 # define MAILDIR MAIL_DIRECTORY
 356 #endif
 357
 358 #if !defined(_PATH_MAILDIR) && defined(MAILDIR)
 359 # define _PATH_MAILDIR MAILDIR
 360 #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
 361
 362 #ifndef _PATH_NOLOGIN
 363 # define _PATH_NOLOGIN "/etc/nologin"
 364 #endif
 365
 366 /* Define this to be the path of the xauth program. */
 367 #ifdef XAUTH_PATH
 368 #define _PATH_XAUTH XAUTH_PATH
 369 #endif /* XAUTH_PATH */
 370
 371 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 372 #ifndef X_UNIX_PATH
 373 #  ifdef __hpux
 374 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 375 #  else
 376 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 377 #  endif
 378 #endif /* X_UNIX_PATH */
 379 #define _PATH_UNIX_X X_UNIX_PATH
 380
 381 #ifndef _PATH_TTY
 382 # define _PATH_TTY "/dev/tty"
 383 #endif
 384
 385 /* Macros */
 386
 387 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 388 # define HAVE_LOGIN_CAP
 389 #endif
 390
 391 #ifndef MAX
 392 # define MAX(a,b) (((a)>(b))?(a):(b))
 393 # define MIN(a,b) (((a)<(b))?(a):(b))
 394 #endif
 395
 396 #ifndef roundup
 397 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 398 #endif
 399
 400 #ifndef timersub
 401 #define timersub(a, b, result)                                  \
 402    do {                                                         \
 403       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 404       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 405       if ((result)->tv_usec < 0) {                              \
 406          --(result)->tv_sec;                                    \
 407          (result)->tv_usec += 1000000;                          \
 408       }                                                         \
 409    } while (0)
 410 #endif
 411
 412 #ifndef TIMEVAL_TO_TIMESPEC
 413 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 414         (ts)->tv_sec = (tv)->tv_sec;                                    \
 415         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 416 }
 417 #endif
 418
 419 #ifndef TIMESPEC_TO_TIMEVAL
 420 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 421         (tv)->tv_sec = (ts)->tv_sec;                                    \
 422         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 423 }
 424 #endif
 425
 426 #ifndef __P
 427 # define __P(x) x
 428 #endif
 429
 430 #if !defined(IN6_IS_ADDR_V4MAPPED)
 431 # define IN6_IS_ADDR_V4MAPPED(a) \
 432         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 433          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 434 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 435
 436 #if !defined(__GNUC__) || (__GNUC__ < 2)
 437 # define __attribute__(x)
 438 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 439
 440 #ifndef __dead
 441 # define __dead __attribute__((noreturn))
 442 #endif
 443
 444 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 445 # define __sentinel__
 446 #endif
 447
 448 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 449 # define __bounded__(x, y, z)
 450 #endif
 451
 452 /* *-*-nto-qnx doesn't define this macro in the system headers */
 453 #ifdef MISSING_HOWMANY
 454 # define howmany(x,y)   (((x)+((y)-1))/(y))
 455 #endif
 456
 457 #ifndef OSSH_ALIGNBYTES
 458 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 459 #endif
 460 #ifndef __CMSG_ALIGN
 461 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 462 #endif
 463
 464 /* Length of the contents of a control message of length len */
 465 #ifndef CMSG_LEN
 466 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 467 #endif
 468
 469 /* Length of the space taken up by a padded control message of length len */
 470 #ifndef CMSG_SPACE
 471 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 472 #endif
 473
 474 /* given pointer to struct cmsghdr, return pointer to data */
 475 #ifndef CMSG_DATA
 476 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 477 #endif /* CMSG_DATA */
 478
 479 /*
 480  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 481  * an empty list for some reasons.
 482  */
 483 #ifndef CMSG_FIRSTHDR
 484 #define CMSG_FIRSTHDR(mhdr) \
 485         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 486          (struct cmsghdr *)(mhdr)->msg_control : \
 487          (struct cmsghdr *)NULL)
 488 #endif /* CMSG_FIRSTHDR */
 489
 490 #ifndef offsetof
 491 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 492 #endif
 493
 494 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 495 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 496 #ifndef BYTE_ORDER
 497 # ifndef LITTLE_ENDIAN
 498 #  define LITTLE_ENDIAN  1234
 499 # endif /* LITTLE_ENDIAN */
 500 # ifndef BIG_ENDIAN
 501 #  define BIG_ENDIAN     4321
 502 # endif /* BIG_ENDIAN */
 503 # ifdef WORDS_BIGENDIAN
 504 #  define BYTE_ORDER BIG_ENDIAN
 505 # else /* WORDS_BIGENDIAN */
 506 #  define BYTE_ORDER LITTLE_ENDIAN
 507 # endif /* WORDS_BIGENDIAN */
 508 #endif /* BYTE_ORDER */
 509
 510 /* Function replacement / compatibility hacks */
 511
 512 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 513 # define HAVE_GETADDRINFO
 514 #endif
 515
 516 #ifndef HAVE_GETOPT_OPTRESET
 517 # undef getopt
 518 # undef opterr
 519 # undef optind
 520 # undef optopt
 521 # undef optreset
 522 # undef optarg
 523 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 524 # define opterr             BSDopterr
 525 # define optind             BSDoptind
 526 # define optopt             BSDoptopt
 527 # define optreset           BSDoptreset
 528 # define optarg             BSDoptarg
 529 #endif
 530
 531 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 532 # undef HAVE_GETADDRINFO
 533 #endif
 534 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 535 # undef HAVE_FREEADDRINFO
 536 #endif
 537 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 538 # undef HAVE_GAI_STRERROR
 539 #endif
 540
 541 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 542 # undef HAVE_UPDWTMPX
 543 #endif
 544
 545 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 546 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 547 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 548
 549 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
 550 #  define USE_VHANGUP
 551 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
 552
 553 #ifndef GETPGRP_VOID
 554 # define getpgrp() getpgrp(0)
 555 #endif
 556
 557 #ifdef USE_BSM_AUDIT
 558 # define SSH_AUDIT_EVENTS
 559 # define CUSTOM_SSH_AUDIT_EVENTS
 560 #endif
 561
 562 /* OPENSSL_free() is Free() in versions before OpenSSL 0.9.6 */
 563 #if !defined(OPENSSL_VERSION_NUMBER) || (OPENSSL_VERSION_NUMBER < 0x0090600f)
 564 # define OPENSSL_free(x) Free(x)
 565 #endif
 566
 567 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 568 #  define __func__ __FUNCTION__
 569 #elif !defined(HAVE___func__)
 570 #  define __func__ ""
 571 #endif
 572
 573 #if defined(KRB5) && !defined(HEIMDAL)
 574 #  define krb5_get_err_text(context,code) error_message(code)
 575 #endif
 576
 577 #if defined(SKEYCHALLENGE_4ARG)
 578 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 579 #else
 580 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 581 #endif
 582
 583 /* Maximum number of file descriptors available */
 584 #ifdef HAVE_SYSCONF
 585 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 586 #else
 587 # define SSH_SYSFDMAX 10000
 588 #endif
 589
 590 #if defined(__Lynx__)
 591  /*
 592   * LynxOS defines these in param.h which we do not want to include since
 593   * it will also pull in a bunch of kernel definitions.
 594   */
 595 # define ALIGNBYTES (sizeof(int) - 1)
 596 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 597   /* Missing prototypes on LynxOS */
 598   int snprintf (char *, size_t, const char *, ...);
 599   int mkstemp (char *);
 600   char *crypt (const char *, const char *);
 601   int seteuid (uid_t);
 602   int setegid (gid_t);
 603   char *mkdtemp (char *);
 604   int rresvport_af (int *, sa_family_t);
 605   int innetgr (const char *, const char *, const char *, const char *);
 606 #endif
 607
 608 /*
 609  * Define this to use pipes instead of socketpairs for communicating with the
 610  * client program.  Socketpairs do not seem to work on all systems.
 611  *
 612  * configure.ac sets this for a few OS's which are known to have problems
 613  * but you may need to set it yourself
 614  */
 615 /* #define USE_PIPES 1 */
 616
 617 /**
 618  ** login recorder definitions
 619  **/
 620
 621 /* FIXME: put default paths back in */
 622 #ifndef UTMP_FILE
 623 #  ifdef _PATH_UTMP
 624 #    define UTMP_FILE _PATH_UTMP
 625 #  else
 626 #    ifdef CONF_UTMP_FILE
 627 #      define UTMP_FILE CONF_UTMP_FILE
 628 #    endif
 629 #  endif
 630 #endif
 631 #ifndef WTMP_FILE
 632 #  ifdef _PATH_WTMP
 633 #    define WTMP_FILE _PATH_WTMP
 634 #  else
 635 #    ifdef CONF_WTMP_FILE
 636 #      define WTMP_FILE CONF_WTMP_FILE
 637 #    endif
 638 #  endif
 639 #endif
 640 /* pick up the user's location for lastlog if given */
 641 #ifndef LASTLOG_FILE
 642 #  ifdef _PATH_LASTLOG
 643 #    define LASTLOG_FILE _PATH_LASTLOG
 644 #  else
 645 #    ifdef CONF_LASTLOG_FILE
 646 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 647 #    endif
 648 #  endif
 649 #endif
 650
 651 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 652 # define USE_SHADOW
 653 #endif
 654
 655 /* The login() library function in libutil is first choice */
 656 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 657 #  define USE_LOGIN
 658
 659 #else
 660 /* Simply select your favourite login types. */
 661 /* Can't do if-else because some systems use several... <sigh> */
 662 #  if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX)
 663 #    define USE_UTMPX
 664 #  endif
 665 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 666 #    define USE_UTMP
 667 #  endif
 668 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 669 #    define USE_WTMPX
 670 #  endif
 671 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 672 #    define USE_WTMP
 673 #  endif
 674
 675 #endif
 676
 677 #ifndef UT_LINESIZE
 678 # define UT_LINESIZE 8
 679 #endif
 680
 681 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 682 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 683 #  define USE_LASTLOG
 684 #endif
 685
 686 #ifdef HAVE_OSF_SIA
 687 # ifdef USE_SHADOW
 688 #  undef USE_SHADOW
 689 # endif
 690 # define CUSTOM_SYS_AUTH_PASSWD 1
 691 #endif
 692
 693 #ifdef HAVE_LIBIAF
 694 # define CUSTOM_SYS_AUTH_PASSWD 1
 695 #endif
 696
 697 /* HP-UX 11.11 */
 698 #ifdef BTMP_FILE
 699 # define _PATH_BTMP BTMP_FILE
 700 #endif
 701
 702 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 703 # define CUSTOM_FAILED_LOGIN
 704 #endif
 705
 706 /** end of login recorder definitions */
 707
 708 #ifdef BROKEN_GETGROUPS
 709 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 710 #endif
 711
 712 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 713 # undef HAVE_MMAP
 714 #endif
 715
 716 #ifndef IOV_MAX
 717 # if defined(_XOPEN_IOV_MAX)
 718 #  define       IOV_MAX         _XOPEN_IOV_MAX
 719 # elif defined(DEF_IOV_MAX)
 720 #  define       IOV_MAX         DEF_IOV_MAX
 721 # else
 722 #  define       IOV_MAX         16
 723 # endif
 724 #endif
 725
 726 /* some system headers on HP-UX define YES/NO */
 727 #ifdef YES
 728 # undef YES
 729 #endif
 730 #ifdef NO
 731 # undef NO
 732 #endif
 733
 734 #endif /* _DEFINES_H */