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 1.183 2014/09/02 19:33:26 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 /*
  46  * Definitions for IP type of service (ip_tos)
  47  */
  48 #include <netinet/in_systm.h>
  49 #include <netinet/ip.h>
  50 #ifndef IPTOS_LOWDELAY
  51 # define IPTOS_LOWDELAY          0x10
  52 # define IPTOS_THROUGHPUT        0x08
  53 # define IPTOS_RELIABILITY       0x04
  54 # define IPTOS_LOWCOST           0x02
  55 # define IPTOS_MINCOST           IPTOS_LOWCOST
  56 #endif /* IPTOS_LOWDELAY */
  57
  58 /*
  59  * Definitions for DiffServ Codepoints as per RFC2474
  60  */
  61 #ifndef IPTOS_DSCP_AF11
  62 # define        IPTOS_DSCP_AF11         0x28
  63 # define        IPTOS_DSCP_AF12         0x30
  64 # define        IPTOS_DSCP_AF13         0x38
  65 # define        IPTOS_DSCP_AF21         0x48
  66 # define        IPTOS_DSCP_AF22         0x50
  67 # define        IPTOS_DSCP_AF23         0x58
  68 # define        IPTOS_DSCP_AF31         0x68
  69 # define        IPTOS_DSCP_AF32         0x70
  70 # define        IPTOS_DSCP_AF33         0x78
  71 # define        IPTOS_DSCP_AF41         0x88
  72 # define        IPTOS_DSCP_AF42         0x90
  73 # define        IPTOS_DSCP_AF43         0x98
  74 # define        IPTOS_DSCP_EF           0xb8
  75 #endif /* IPTOS_DSCP_AF11 */
  76 #ifndef IPTOS_DSCP_CS0
  77 # define        IPTOS_DSCP_CS0          0x00
  78 # define        IPTOS_DSCP_CS1          0x20
  79 # define        IPTOS_DSCP_CS2          0x40
  80 # define        IPTOS_DSCP_CS3          0x60
  81 # define        IPTOS_DSCP_CS4          0x80
  82 # define        IPTOS_DSCP_CS5          0xa0
  83 # define        IPTOS_DSCP_CS6          0xc0
  84 # define        IPTOS_DSCP_CS7          0xe0
  85 #endif /* IPTOS_DSCP_CS0 */
  86 #ifndef IPTOS_DSCP_EF
  87 # define        IPTOS_DSCP_EF           0xb8
  88 #endif /* IPTOS_DSCP_EF */
  89
  90 #ifndef PATH_MAX
  91 # ifdef _POSIX_PATH_MAX
  92 # define PATH_MAX _POSIX_PATH_MAX
  93 # endif
  94 #endif
  95
  96 #ifndef MAXPATHLEN
  97 # ifdef PATH_MAX
  98 #  define MAXPATHLEN PATH_MAX
  99 # else /* PATH_MAX */
 100 #  define MAXPATHLEN 64
 101 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
 102 #  ifndef BROKEN_REALPATH
 103 #   define BROKEN_REALPATH 1
 104 #  endif /* BROKEN_REALPATH */
 105 # endif /* PATH_MAX */
 106 #endif /* MAXPATHLEN */
 107
 108 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0
 109 # define MAXSYMLINKS 5
 110 #endif
 111
 112 #ifndef STDIN_FILENO
 113 # define STDIN_FILENO    0
 114 #endif
 115 #ifndef STDOUT_FILENO
 116 # define STDOUT_FILENO   1
 117 #endif
 118 #ifndef STDERR_FILENO
 119 # define STDERR_FILENO   2
 120 #endif
 121
 122 #ifndef NGROUPS_MAX     /* Disable groupaccess if NGROUP_MAX is not set */
 123 #ifdef NGROUPS
 124 #define NGROUPS_MAX NGROUPS
 125 #else
 126 #define NGROUPS_MAX 0
 127 #endif
 128 #endif
 129
 130 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
 131 # define O_NONBLOCK      00004  /* Non Blocking Open */
 132 #endif
 133
 134 #ifndef S_IFSOCK
 135 # define S_IFSOCK 0
 136 #endif /* S_IFSOCK */
 137
 138 #ifndef S_ISDIR
 139 # define S_ISDIR(mode)  (((mode) & (_S_IFMT)) == (_S_IFDIR))
 140 #endif /* S_ISDIR */
 141
 142 #ifndef S_ISREG
 143 # define S_ISREG(mode)  (((mode) & (_S_IFMT)) == (_S_IFREG))
 144 #endif /* S_ISREG */
 145
 146 #ifndef S_ISLNK
 147 # define S_ISLNK(mode)  (((mode) & S_IFMT) == S_IFLNK)
 148 #endif /* S_ISLNK */
 149
 150 #ifndef S_IXUSR
 151 # define S_IXUSR                        0000100 /* execute/search permission, */
 152 # define S_IXGRP                        0000010 /* execute/search permission, */
 153 # define S_IXOTH                        0000001 /* execute/search permission, */
 154 # define _S_IWUSR                       0000200 /* write permission, */
 155 # define S_IWUSR                        _S_IWUSR        /* write permission, owner */
 156 # define S_IWGRP                        0000020 /* write permission, group */
 157 # define S_IWOTH                        0000002 /* write permission, other */
 158 # define S_IRUSR                        0000400 /* read permission, owner */
 159 # define S_IRGRP                        0000040 /* read permission, group */
 160 # define S_IROTH                        0000004 /* read permission, other */
 161 # define S_IRWXU                        0000700 /* read, write, execute */
 162 # define S_IRWXG                        0000070 /* read, write, execute */
 163 # define S_IRWXO                        0000007 /* read, write, execute */
 164 #endif /* S_IXUSR */
 165
 166 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 167 #define MAP_ANON MAP_ANONYMOUS
 168 #endif
 169
 170 #ifndef MAP_FAILED
 171 # define MAP_FAILED ((void *)-1)
 172 #endif
 173
 174 /*
 175 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
 176 including rpc/rpc.h breaks Solaris 6
 177 */
 178 #ifndef INADDR_LOOPBACK
 179 #define INADDR_LOOPBACK ((u_long)0x7f000001)
 180 #endif
 181
 182 /* Types */
 183
 184 /* If sys/types.h does not supply intXX_t, supply them ourselves */
 185 /* (or die trying) */
 186
 187 #ifndef HAVE_U_INT
 188 typedef unsigned int u_int;
 189 #endif
 190
 191 #ifndef HAVE_INTXX_T
 192 typedef signed char int8_t;
 193 # if (SIZEOF_SHORT_INT == 2)
 194 typedef short int int16_t;
 195 # else
 196 #  ifdef _UNICOS
 197 #   if (SIZEOF_SHORT_INT == 4)
 198 typedef short int16_t;
 199 #   else
 200 typedef long  int16_t;
 201 #   endif
 202 #  else
 203 #   error "16 bit int type not found."
 204 #  endif /* _UNICOS */
 205 # endif
 206 # if (SIZEOF_INT == 4)
 207 typedef int int32_t;
 208 # else
 209 #  ifdef _UNICOS
 210 typedef long  int32_t;
 211 #  else
 212 #   error "32 bit int type not found."
 213 #  endif /* _UNICOS */
 214 # endif
 215 #endif
 216
 217 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
 218 #ifndef HAVE_U_INTXX_T
 219 # ifdef HAVE_UINTXX_T
 220 typedef uint8_t u_int8_t;
 221 typedef uint16_t u_int16_t;
 222 typedef uint32_t u_int32_t;
 223 # define HAVE_U_INTXX_T 1
 224 # else
 225 typedef unsigned char u_int8_t;
 226 #  if (SIZEOF_SHORT_INT == 2)
 227 typedef unsigned short int u_int16_t;
 228 #  else
 229 #   ifdef _UNICOS
 230 #    if (SIZEOF_SHORT_INT == 4)
 231 typedef unsigned short u_int16_t;
 232 #    else
 233 typedef unsigned long  u_int16_t;
 234 #    endif
 235 #   else
 236 #    error "16 bit int type not found."
 237 #   endif
 238 #  endif
 239 #  if (SIZEOF_INT == 4)
 240 typedef unsigned int u_int32_t;
 241 #  else
 242 #   ifdef _UNICOS
 243 typedef unsigned long  u_int32_t;
 244 #   else
 245 #    error "32 bit int type not found."
 246 #   endif
 247 #  endif
 248 # endif
 249 #define __BIT_TYPES_DEFINED__
 250 #endif
 251
 252 /* 64-bit types */
 253 #ifndef HAVE_INT64_T
 254 # if (SIZEOF_LONG_INT == 8)
 255 typedef long int int64_t;
 256 # else
 257 #  if (SIZEOF_LONG_LONG_INT == 8)
 258 typedef long long int int64_t;
 259 #  endif
 260 # endif
 261 #endif
 262 #ifndef HAVE_U_INT64_T
 263 # if (SIZEOF_LONG_INT == 8)
 264 typedef unsigned long int u_int64_t;
 265 # else
 266 #  if (SIZEOF_LONG_LONG_INT == 8)
 267 typedef unsigned long long int u_int64_t;
 268 #  endif
 269 # endif
 270 #endif
 271
 272 #ifndef HAVE_UINTXX_T
 273 typedef u_int8_t uint8_t;
 274 typedef u_int16_t uint16_t;
 275 typedef u_int32_t uint32_t;
 276 typedef u_int64_t uint64_t;
 277 #endif
 278
 279 #ifndef HAVE_INTMAX_T
 280 typedef long long intmax_t;
 281 #endif
 282
 283 #ifndef HAVE_UINTMAX_T
 284 typedef unsigned long long uintmax_t;
 285 #endif
 286
 287 #ifndef HAVE_U_CHAR
 288 typedef unsigned char u_char;
 289 # define HAVE_U_CHAR
 290 #endif /* HAVE_U_CHAR */
 291
 292 #ifndef ULLONG_MAX
 293 # define ULLONG_MAX ((unsigned long long)-1)
 294 #endif
 295
 296 #ifndef SIZE_T_MAX
 297 #define SIZE_T_MAX ULONG_MAX
 298 #endif /* SIZE_T_MAX */
 299
 300 #ifndef HAVE_SIZE_T
 301 typedef unsigned int size_t;
 302 # define HAVE_SIZE_T
 303 # define SIZE_T_MAX UINT_MAX
 304 #endif /* HAVE_SIZE_T */
 305
 306 #ifndef SIZE_MAX
 307 #define SIZE_MAX SIZE_T_MAX
 308 #endif
 309
 310 #ifndef HAVE_SSIZE_T
 311 typedef int ssize_t;
 312 # define HAVE_SSIZE_T
 313 #endif /* HAVE_SSIZE_T */
 314
 315 #ifndef HAVE_CLOCK_T
 316 typedef long clock_t;
 317 # define HAVE_CLOCK_T
 318 #endif /* HAVE_CLOCK_T */
 319
 320 #ifndef HAVE_SA_FAMILY_T
 321 typedef int sa_family_t;
 322 # define HAVE_SA_FAMILY_T
 323 #endif /* HAVE_SA_FAMILY_T */
 324
 325 #ifndef HAVE_PID_T
 326 typedef int pid_t;
 327 # define HAVE_PID_T
 328 #endif /* HAVE_PID_T */
 329
 330 #ifndef HAVE_SIG_ATOMIC_T
 331 typedef int sig_atomic_t;
 332 # define HAVE_SIG_ATOMIC_T
 333 #endif /* HAVE_SIG_ATOMIC_T */
 334
 335 #ifndef HAVE_MODE_T
 336 typedef int mode_t;
 337 # define HAVE_MODE_T
 338 #endif /* HAVE_MODE_T */
 339
 340 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
 341 # define ss_family __ss_family
 342 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
 343
 344 #ifndef HAVE_SYS_UN_H
 345 struct  sockaddr_un {
 346         short   sun_family;             /* AF_UNIX */
 347         char    sun_path[108];          /* path name (gag) */
 348 };
 349 #endif /* HAVE_SYS_UN_H */
 350
 351 #ifndef HAVE_IN_ADDR_T
 352 typedef u_int32_t       in_addr_t;
 353 #endif
 354 #ifndef HAVE_IN_PORT_T
 355 typedef u_int16_t       in_port_t;
 356 #endif
 357
 358 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 359 #define _STRUCT_WINSIZE
 360 struct winsize {
 361       unsigned short ws_row;          /* rows, in characters */
 362       unsigned short ws_col;          /* columns, in character */
 363       unsigned short ws_xpixel;       /* horizontal size, pixels */
 364       unsigned short ws_ypixel;       /* vertical size, pixels */
 365 };
 366 #endif
 367
 368 /* bits needed for select that may not be in the system headers */
 369 #ifndef HAVE_FD_MASK
 370  typedef unsigned long int      fd_mask;
 371 #endif
 372
 373 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0
 374 # define        NFDBITS (8 * sizeof(unsigned long))
 375 #endif
 376
 377 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0
 378 # define howmany(x,y)   (((x)+((y)-1))/(y))
 379 #endif
 380
 381 /* Paths */
 382
 383 #ifndef _PATH_BSHELL
 384 # define _PATH_BSHELL "/bin/sh"
 385 #endif
 386
 387 #ifdef USER_PATH
 388 # ifdef _PATH_STDPATH
 389 #  undef _PATH_STDPATH
 390 # endif
 391 # define _PATH_STDPATH USER_PATH
 392 #endif
 393
 394 #ifndef _PATH_STDPATH
 395 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 396 #endif
 397
 398 #ifndef SUPERUSER_PATH
 399 # define SUPERUSER_PATH _PATH_STDPATH
 400 #endif
 401
 402 #ifndef _PATH_DEVNULL
 403 # define _PATH_DEVNULL "/dev/null"
 404 #endif
 405
 406 /* user may have set a different path */
 407 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY)
 408 # undef _PATH_MAILDIR
 409 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */
 410
 411 #ifdef MAIL_DIRECTORY
 412 # define _PATH_MAILDIR MAIL_DIRECTORY
 413 #endif
 414
 415 #ifndef _PATH_NOLOGIN
 416 # define _PATH_NOLOGIN "/etc/nologin"
 417 #endif
 418
 419 /* Define this to be the path of the xauth program. */
 420 #ifdef XAUTH_PATH
 421 #define _PATH_XAUTH XAUTH_PATH
 422 #endif /* XAUTH_PATH */
 423
 424 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 425 #ifndef X_UNIX_PATH
 426 #  ifdef __hpux
 427 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 428 #  else
 429 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 430 #  endif
 431 #endif /* X_UNIX_PATH */
 432 #define _PATH_UNIX_X X_UNIX_PATH
 433
 434 #ifndef _PATH_TTY
 435 # define _PATH_TTY "/dev/tty"
 436 #endif
 437
 438 /* Macros */
 439
 440 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 441 # define HAVE_LOGIN_CAP
 442 #endif
 443
 444 #ifndef MAX
 445 # define MAX(a,b) (((a)>(b))?(a):(b))
 446 # define MIN(a,b) (((a)<(b))?(a):(b))
 447 #endif
 448
 449 #ifndef roundup
 450 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 451 #endif
 452
 453 #ifndef timersub
 454 #define timersub(a, b, result)                                  \
 455    do {                                                         \
 456       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 457       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 458       if ((result)->tv_usec < 0) {                              \
 459          --(result)->tv_sec;                                    \
 460          (result)->tv_usec += 1000000;                          \
 461       }                                                         \
 462    } while (0)
 463 #endif
 464
 465 #ifndef TIMEVAL_TO_TIMESPEC
 466 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 467         (ts)->tv_sec = (tv)->tv_sec;                                    \
 468         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 469 }
 470 #endif
 471
 472 #ifndef TIMESPEC_TO_TIMEVAL
 473 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 474         (tv)->tv_sec = (ts)->tv_sec;                                    \
 475         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 476 }
 477 #endif
 478
 479 #ifndef __P
 480 # define __P(x) x
 481 #endif
 482
 483 #if !defined(IN6_IS_ADDR_V4MAPPED)
 484 # define IN6_IS_ADDR_V4MAPPED(a) \
 485         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 486          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 487 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 488
 489 #if !defined(__GNUC__) || (__GNUC__ < 2)
 490 # define __attribute__(x)
 491 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 492
 493 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 494 # define __sentinel__
 495 #endif
 496
 497 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 498 # define __bounded__(x, y, z)
 499 #endif
 500
 501 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 502 # define __nonnull__(x)
 503 #endif
 504
 505 #ifndef OSSH_ALIGNBYTES
 506 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 507 #endif
 508 #ifndef __CMSG_ALIGN
 509 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 510 #endif
 511
 512 /* Length of the contents of a control message of length len */
 513 #ifndef CMSG_LEN
 514 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 515 #endif
 516
 517 /* Length of the space taken up by a padded control message of length len */
 518 #ifndef CMSG_SPACE
 519 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 520 #endif
 521
 522 /* given pointer to struct cmsghdr, return pointer to data */
 523 #ifndef CMSG_DATA
 524 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 525 #endif /* CMSG_DATA */
 526
 527 /*
 528  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 529  * an empty list for some reasons.
 530  */
 531 #ifndef CMSG_FIRSTHDR
 532 #define CMSG_FIRSTHDR(mhdr) \
 533         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 534          (struct cmsghdr *)(mhdr)->msg_control : \
 535          (struct cmsghdr *)NULL)
 536 #endif /* CMSG_FIRSTHDR */
 537
 538 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 539 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 540 #endif
 541
 542 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 543 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 544 #ifndef BYTE_ORDER
 545 # ifndef LITTLE_ENDIAN
 546 #  define LITTLE_ENDIAN  1234
 547 # endif /* LITTLE_ENDIAN */
 548 # ifndef BIG_ENDIAN
 549 #  define BIG_ENDIAN     4321
 550 # endif /* BIG_ENDIAN */
 551 # ifdef WORDS_BIGENDIAN
 552 #  define BYTE_ORDER BIG_ENDIAN
 553 # else /* WORDS_BIGENDIAN */
 554 #  define BYTE_ORDER LITTLE_ENDIAN
 555 # endif /* WORDS_BIGENDIAN */
 556 #endif /* BYTE_ORDER */
 557
 558 /* Function replacement / compatibility hacks */
 559
 560 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 561 # define HAVE_GETADDRINFO
 562 #endif
 563
 564 #ifndef HAVE_GETOPT_OPTRESET
 565 # undef getopt
 566 # undef opterr
 567 # undef optind
 568 # undef optopt
 569 # undef optreset
 570 # undef optarg
 571 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 572 # define opterr             BSDopterr
 573 # define optind             BSDoptind
 574 # define optopt             BSDoptopt
 575 # define optreset           BSDoptreset
 576 # define optarg             BSDoptarg
 577 #endif
 578
 579 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 580 # undef HAVE_GETADDRINFO
 581 #endif
 582 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 583 # undef HAVE_FREEADDRINFO
 584 #endif
 585 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 586 # undef HAVE_GAI_STRERROR
 587 #endif
 588
 589 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 590 # undef HAVE_UPDWTMPX
 591 #endif
 592
 593 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 594 # undef HAS_SHADOW_EXPIRE
 595 #endif
 596
 597 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 598     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 599 # define DO_LOG_SAFE_IN_SIGHAND
 600 #endif
 601
 602 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 603 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 604 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 605
 606 #ifndef GETPGRP_VOID
 607 # include <unistd.h>
 608 # define getpgrp() getpgrp(0)
 609 #endif
 610
 611 #ifdef USE_BSM_AUDIT
 612 # define SSH_AUDIT_EVENTS
 613 # define CUSTOM_SSH_AUDIT_EVENTS
 614 #endif
 615
 616 #ifdef USE_LINUX_AUDIT
 617 # define SSH_AUDIT_EVENTS
 618 # define CUSTOM_SSH_AUDIT_EVENTS
 619 #endif
 620
 621 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 622 #  define __func__ __FUNCTION__
 623 #elif !defined(HAVE___func__)
 624 #  define __func__ ""
 625 #endif
 626
 627 #if defined(KRB5) && !defined(HEIMDAL)
 628 #  define krb5_get_err_text(context,code) error_message(code)
 629 #endif
 630
 631 #if defined(SKEYCHALLENGE_4ARG)
 632 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 633 #else
 634 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 635 #endif
 636
 637 /* Maximum number of file descriptors available */
 638 #ifdef HAVE_SYSCONF
 639 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 640 #else
 641 # define SSH_SYSFDMAX 10000
 642 #endif
 643
 644 #ifdef FSID_HAS_VAL
 645 /* encode f_fsid into a 64 bit value  */
 646 #define FSID_TO_ULONG(f) \
 647         ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
 648             ((f).val[1] & 0xffffffffUL))
 649 #elif defined(FSID_HAS___VAL)
 650 #define FSID_TO_ULONG(f) \
 651         ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
 652             ((f).__val[1] & 0xffffffffUL))
 653 #else
 654 # define FSID_TO_ULONG(f) ((f))
 655 #endif
 656
 657 #if defined(__Lynx__)
 658  /*
 659   * LynxOS defines these in param.h which we do not want to include since
 660   * it will also pull in a bunch of kernel definitions.
 661   */
 662 # define ALIGNBYTES (sizeof(int) - 1)
 663 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 664   /* Missing prototypes on LynxOS */
 665   int snprintf (char *, size_t, const char *, ...);
 666   int mkstemp (char *);
 667   char *crypt (const char *, const char *);
 668   int seteuid (uid_t);
 669   int setegid (gid_t);
 670   char *mkdtemp (char *);
 671   int rresvport_af (int *, sa_family_t);
 672   int innetgr (const char *, const char *, const char *, const char *);
 673 #endif
 674
 675 /*
 676  * Define this to use pipes instead of socketpairs for communicating with the
 677  * client program.  Socketpairs do not seem to work on all systems.
 678  *
 679  * configure.ac sets this for a few OS's which are known to have problems
 680  * but you may need to set it yourself
 681  */
 682 /* #define USE_PIPES 1 */
 683
 684 /**
 685  ** login recorder definitions
 686  **/
 687
 688 /* FIXME: put default paths back in */
 689 #ifndef UTMP_FILE
 690 #  ifdef _PATH_UTMP
 691 #    define UTMP_FILE _PATH_UTMP
 692 #  else
 693 #    ifdef CONF_UTMP_FILE
 694 #      define UTMP_FILE CONF_UTMP_FILE
 695 #    endif
 696 #  endif
 697 #endif
 698 #ifndef WTMP_FILE
 699 #  ifdef _PATH_WTMP
 700 #    define WTMP_FILE _PATH_WTMP
 701 #  else
 702 #    ifdef CONF_WTMP_FILE
 703 #      define WTMP_FILE CONF_WTMP_FILE
 704 #    endif
 705 #  endif
 706 #endif
 707 /* pick up the user's location for lastlog if given */
 708 #ifndef LASTLOG_FILE
 709 #  ifdef _PATH_LASTLOG
 710 #    define LASTLOG_FILE _PATH_LASTLOG
 711 #  else
 712 #    ifdef CONF_LASTLOG_FILE
 713 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 714 #    endif
 715 #  endif
 716 #endif
 717
 718 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 719 # define USE_SHADOW
 720 #endif
 721
 722 /* The login() library function in libutil is first choice */
 723 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 724 #  define USE_LOGIN
 725
 726 #else
 727 /* Simply select your favourite login types. */
 728 /* Can't do if-else because some systems use several... <sigh> */
 729 #  if !defined(DISABLE_UTMPX)
 730 #    define USE_UTMPX
 731 #  endif
 732 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 733 #    define USE_UTMP
 734 #  endif
 735 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 736 #    define USE_WTMPX
 737 #  endif
 738 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 739 #    define USE_WTMP
 740 #  endif
 741
 742 #endif
 743
 744 #ifndef UT_LINESIZE
 745 # define UT_LINESIZE 8
 746 #endif
 747
 748 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 749 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 750 #  define USE_LASTLOG
 751 #endif
 752
 753 #ifdef HAVE_OSF_SIA
 754 # ifdef USE_SHADOW
 755 #  undef USE_SHADOW
 756 # endif
 757 # define CUSTOM_SYS_AUTH_PASSWD 1
 758 #endif
 759
 760 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
 761 # define CUSTOM_SYS_AUTH_PASSWD 1
 762 #endif
 763 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 764 # define USE_LIBIAF
 765 #endif
 766
 767 /* HP-UX 11.11 */
 768 #ifdef BTMP_FILE
 769 # define _PATH_BTMP BTMP_FILE
 770 #endif
 771
 772 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 773 # define CUSTOM_FAILED_LOGIN
 774 #endif
 775
 776 /** end of login recorder definitions */
 777
 778 #ifdef BROKEN_GETGROUPS
 779 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 780 #endif
 781
 782 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 783 # undef HAVE_MMAP
 784 #endif
 785
 786 #ifndef IOV_MAX
 787 # if defined(_XOPEN_IOV_MAX)
 788 #  define       IOV_MAX         _XOPEN_IOV_MAX
 789 # elif defined(DEF_IOV_MAX)
 790 #  define       IOV_MAX         DEF_IOV_MAX
 791 # else
 792 #  define       IOV_MAX         16
 793 # endif
 794 #endif
 795
 796 #ifndef EWOULDBLOCK
 797 # define EWOULDBLOCK EAGAIN
 798 #endif
 799
 800 #ifndef INET6_ADDRSTRLEN        /* for non IPv6 machines */
 801 #define INET6_ADDRSTRLEN 46
 802 #endif
 803
 804 #ifndef SSH_IOBUFSZ
 805 # define SSH_IOBUFSZ 8192
 806 #endif
 807
 808 #ifndef _NSIG
 809 # ifdef NSIG
 810 #  define _NSIG NSIG
 811 # else
 812 #  define _NSIG 128
 813 # endif
 814 #endif
 815
 816 /*
 817  * Platforms that have arc4random_uniform() and not arc4random_stir()
 818  * shouldn't need the latter.
 819  */
 820 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \
 821     !defined(HAVE_ARC4RANDOM_STIR)
 822 # define arc4random_stir()
 823 #endif
 824
 825 #ifndef HAVE_VA_COPY
 826 # ifdef HAVE___VA_COPY
 827 #  define va_copy(dest, src) __va_copy(dest, src)
 828 # else
 829 #  define va_copy(dest, src) (dest) = (src)
 830 # endif
 831 #endif
 832
 833 #ifndef __predict_true
 834 # if defined(__GNUC__) && \
 835      ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96)))
 836 #  define __predict_true(exp)     __builtin_expect(((exp) != 0), 1)
 837 #  define __predict_false(exp)    __builtin_expect(((exp) != 0), 0)
 838 # else
 839 #  define __predict_true(exp)     ((exp) != 0)
 840 #  define __predict_false(exp)    ((exp) != 0)
 841 # endif /* gcc version */
 842 #endif /* __predict_true */
 843
 844 #endif /* _DEFINES_H */