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 1.164 2011/01/17 10:15:31 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 /*
  46  * Definitions for IP type of service (ip_tos)
  47  */
  48 #ifndef IPTOS_LOWDELAY
  49 # define IPTOS_LOWDELAY          0x10
  50 # define IPTOS_THROUGHPUT        0x08
  51 # define IPTOS_RELIABILITY       0x04
  52 # define IPTOS_LOWCOST           0x02
  53 # define IPTOS_MINCOST           IPTOS_LOWCOST
  54 #endif /* IPTOS_LOWDELAY */
  55
  56 /*
  57  * Definitions for DiffServ Codepoints as per RFC2474
  58  */
  59 #include <netinet/in_systm.h>
  60 #include <netinet/ip.h>
  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 MAXPATHLEN
  91 # ifdef PATH_MAX
  92 #  define MAXPATHLEN PATH_MAX
  93 # else /* PATH_MAX */
  94 #  define MAXPATHLEN 64
  95 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */
  96 #  ifndef BROKEN_REALPATH
  97 #   define BROKEN_REALPATH 1
  98 #  endif /* BROKEN_REALPATH */
  99 # endif /* PATH_MAX */
 100 #endif /* MAXPATHLEN */
 101
 102 #ifndef PATH_MAX
 103 # ifdef _POSIX_PATH_MAX
 104 # define PATH_MAX _POSIX_PATH_MAX
 105 # endif
 106 #endif
 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_ISDIR
 135 # define S_ISDIR(mode)  (((mode) & (_S_IFMT)) == (_S_IFDIR))
 136 #endif /* S_ISDIR */
 137
 138 #ifndef S_ISREG
 139 # define S_ISREG(mode)  (((mode) & (_S_IFMT)) == (_S_IFREG))
 140 #endif /* S_ISREG */
 141
 142 #ifndef S_ISLNK
 143 # define S_ISLNK(mode)  (((mode) & S_IFMT) == S_IFLNK)
 144 #endif /* S_ISLNK */
 145
 146 #ifndef S_IXUSR
 147 # define S_IXUSR                        0000100 /* execute/search permission, */
 148 # define S_IXGRP                        0000010 /* execute/search permission, */
 149 # define S_IXOTH                        0000001 /* execute/search permission, */
 150 # define _S_IWUSR                       0000200 /* write permission, */
 151 # define S_IWUSR                        _S_IWUSR        /* write permission, owner */
 152 # define S_IWGRP                        0000020 /* write permission, group */
 153 # define S_IWOTH                        0000002 /* write permission, other */
 154 # define S_IRUSR                        0000400 /* read permission, owner */
 155 # define S_IRGRP                        0000040 /* read permission, group */
 156 # define S_IROTH                        0000004 /* read permission, other */
 157 # define S_IRWXU                        0000700 /* read, write, execute */
 158 # define S_IRWXG                        0000070 /* read, write, execute */
 159 # define S_IRWXO                        0000007 /* read, write, execute */
 160 #endif /* S_IXUSR */
 161
 162 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 163 #define MAP_ANON MAP_ANONYMOUS
 164 #endif
 165
 166 #ifndef MAP_FAILED
 167 # define MAP_FAILED ((void *)-1)
 168 #endif
 169
 170 /* *-*-nto-qnx doesn't define this constant in the system headers */
 171 #ifdef MISSING_NFDBITS
 172 # define        NFDBITS (8 * sizeof(unsigned long))
 173 #endif
 174
 175 /*
 176 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but
 177 including rpc/rpc.h breaks Solaris 6
 178 */
 179 #ifndef INADDR_LOOPBACK
 180 #define INADDR_LOOPBACK ((u_long)0x7f000001)
 181 #endif
 182
 183 /* Types */
 184
 185 /* If sys/types.h does not supply intXX_t, supply them ourselves */
 186 /* (or die trying) */
 187
 188 #ifndef HAVE_U_INT
 189 typedef unsigned int u_int;
 190 #endif
 191
 192 #ifndef HAVE_INTXX_T
 193 # if (SIZEOF_CHAR == 1)
 194 typedef char int8_t;
 195 # else
 196 #  error "8 bit int type not found."
 197 # endif
 198 # if (SIZEOF_SHORT_INT == 2)
 199 typedef short int int16_t;
 200 # else
 201 #  ifdef _UNICOS
 202 #   if (SIZEOF_SHORT_INT == 4)
 203 typedef short int16_t;
 204 #   else
 205 typedef long  int16_t;
 206 #   endif
 207 #  else
 208 #   error "16 bit int type not found."
 209 #  endif /* _UNICOS */
 210 # endif
 211 # if (SIZEOF_INT == 4)
 212 typedef int int32_t;
 213 # else
 214 #  ifdef _UNICOS
 215 typedef long  int32_t;
 216 #  else
 217 #   error "32 bit int type not found."
 218 #  endif /* _UNICOS */
 219 # endif
 220 #endif
 221
 222 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */
 223 #ifndef HAVE_U_INTXX_T
 224 # ifdef HAVE_UINTXX_T
 225 typedef uint8_t u_int8_t;
 226 typedef uint16_t u_int16_t;
 227 typedef uint32_t u_int32_t;
 228 # define HAVE_U_INTXX_T 1
 229 # else
 230 #  if (SIZEOF_CHAR == 1)
 231 typedef unsigned char u_int8_t;
 232 #  else
 233 #   error "8 bit int type not found."
 234 #  endif
 235 #  if (SIZEOF_SHORT_INT == 2)
 236 typedef unsigned short int u_int16_t;
 237 #  else
 238 #   ifdef _UNICOS
 239 #    if (SIZEOF_SHORT_INT == 4)
 240 typedef unsigned short u_int16_t;
 241 #    else
 242 typedef unsigned long  u_int16_t;
 243 #    endif
 244 #   else
 245 #    error "16 bit int type not found."
 246 #   endif
 247 #  endif
 248 #  if (SIZEOF_INT == 4)
 249 typedef unsigned int u_int32_t;
 250 #  else
 251 #   ifdef _UNICOS
 252 typedef unsigned long  u_int32_t;
 253 #   else
 254 #    error "32 bit int type not found."
 255 #   endif
 256 #  endif
 257 # endif
 258 #define __BIT_TYPES_DEFINED__
 259 #endif
 260
 261 /* 64-bit types */
 262 #ifndef HAVE_INT64_T
 263 # if (SIZEOF_LONG_INT == 8)
 264 typedef long int int64_t;
 265 # else
 266 #  if (SIZEOF_LONG_LONG_INT == 8)
 267 typedef long long int int64_t;
 268 #  endif
 269 # endif
 270 #endif
 271 #ifndef HAVE_U_INT64_T
 272 # if (SIZEOF_LONG_INT == 8)
 273 typedef unsigned long int u_int64_t;
 274 # else
 275 #  if (SIZEOF_LONG_LONG_INT == 8)
 276 typedef unsigned long long int u_int64_t;
 277 #  endif
 278 # endif
 279 #endif
 280
 281 #ifndef HAVE_U_CHAR
 282 typedef unsigned char u_char;
 283 # define HAVE_U_CHAR
 284 #endif /* HAVE_U_CHAR */
 285
 286 #ifndef SIZE_T_MAX
 287 #define SIZE_T_MAX ULONG_MAX
 288 #endif /* SIZE_T_MAX */
 289
 290 #ifndef HAVE_SIZE_T
 291 typedef unsigned int size_t;
 292 # define HAVE_SIZE_T
 293 # define SIZE_T_MAX UINT_MAX
 294 #endif /* HAVE_SIZE_T */
 295
 296 #ifndef SIZE_MAX
 297 #define SIZE_MAX SIZE_T_MAX
 298 #endif
 299
 300 #ifndef HAVE_SSIZE_T
 301 typedef int ssize_t;
 302 # define HAVE_SSIZE_T
 303 #endif /* HAVE_SSIZE_T */
 304
 305 #ifndef HAVE_CLOCK_T
 306 typedef long clock_t;
 307 # define HAVE_CLOCK_T
 308 #endif /* HAVE_CLOCK_T */
 309
 310 #ifndef HAVE_SA_FAMILY_T
 311 typedef int sa_family_t;
 312 # define HAVE_SA_FAMILY_T
 313 #endif /* HAVE_SA_FAMILY_T */
 314
 315 #ifndef HAVE_PID_T
 316 typedef int pid_t;
 317 # define HAVE_PID_T
 318 #endif /* HAVE_PID_T */
 319
 320 #ifndef HAVE_SIG_ATOMIC_T
 321 typedef int sig_atomic_t;
 322 # define HAVE_SIG_ATOMIC_T
 323 #endif /* HAVE_SIG_ATOMIC_T */
 324
 325 #ifndef HAVE_MODE_T
 326 typedef int mode_t;
 327 # define HAVE_MODE_T
 328 #endif /* HAVE_MODE_T */
 329
 330 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS)
 331 # define ss_family __ss_family
 332 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */
 333
 334 #ifndef HAVE_SYS_UN_H
 335 struct  sockaddr_un {
 336         short   sun_family;             /* AF_UNIX */
 337         char    sun_path[108];          /* path name (gag) */
 338 };
 339 #endif /* HAVE_SYS_UN_H */
 340
 341 #ifndef HAVE_IN_ADDR_T
 342 typedef u_int32_t       in_addr_t;
 343 #endif
 344 #ifndef HAVE_IN_PORT_T
 345 typedef u_int16_t       in_port_t;
 346 #endif
 347
 348 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE)
 349 #define _STRUCT_WINSIZE
 350 struct winsize {
 351       unsigned short ws_row;          /* rows, in characters */
 352       unsigned short ws_col;          /* columns, in character */
 353       unsigned short ws_xpixel;       /* horizontal size, pixels */
 354       unsigned short ws_ypixel;       /* vertical size, pixels */
 355 };
 356 #endif
 357
 358 /* *-*-nto-qnx does not define this type in the system headers */
 359 #ifdef MISSING_FD_MASK
 360  typedef unsigned long int      fd_mask;
 361 #endif
 362
 363 /* Paths */
 364
 365 #ifndef _PATH_BSHELL
 366 # define _PATH_BSHELL "/bin/sh"
 367 #endif
 368
 369 #ifdef USER_PATH
 370 # ifdef _PATH_STDPATH
 371 #  undef _PATH_STDPATH
 372 # endif
 373 # define _PATH_STDPATH USER_PATH
 374 #endif
 375
 376 #ifndef _PATH_STDPATH
 377 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
 378 #endif
 379
 380 #ifndef SUPERUSER_PATH
 381 # define SUPERUSER_PATH _PATH_STDPATH
 382 #endif
 383
 384 #ifndef _PATH_DEVNULL
 385 # define _PATH_DEVNULL "/dev/null"
 386 #endif
 387
 388 #ifndef MAIL_DIRECTORY
 389 # define MAIL_DIRECTORY "/var/spool/mail"
 390 #endif
 391
 392 #ifndef MAILDIR
 393 # define MAILDIR MAIL_DIRECTORY
 394 #endif
 395
 396 #if !defined(_PATH_MAILDIR) && defined(MAILDIR)
 397 # define _PATH_MAILDIR MAILDIR
 398 #endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */
 399
 400 #ifndef _PATH_NOLOGIN
 401 # define _PATH_NOLOGIN "/etc/nologin"
 402 #endif
 403
 404 /* Define this to be the path of the xauth program. */
 405 #ifdef XAUTH_PATH
 406 #define _PATH_XAUTH XAUTH_PATH
 407 #endif /* XAUTH_PATH */
 408
 409 /* derived from XF4/xc/lib/dps/Xlibnet.h */
 410 #ifndef X_UNIX_PATH
 411 #  ifdef __hpux
 412 #    define X_UNIX_PATH "/var/spool/sockets/X11/%u"
 413 #  else
 414 #    define X_UNIX_PATH "/tmp/.X11-unix/X%u"
 415 #  endif
 416 #endif /* X_UNIX_PATH */
 417 #define _PATH_UNIX_X X_UNIX_PATH
 418
 419 #ifndef _PATH_TTY
 420 # define _PATH_TTY "/dev/tty"
 421 #endif
 422
 423 /* Macros */
 424
 425 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H)
 426 # define HAVE_LOGIN_CAP
 427 #endif
 428
 429 #ifndef MAX
 430 # define MAX(a,b) (((a)>(b))?(a):(b))
 431 # define MIN(a,b) (((a)<(b))?(a):(b))
 432 #endif
 433
 434 #ifndef roundup
 435 # define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
 436 #endif
 437
 438 #ifndef timersub
 439 #define timersub(a, b, result)                                  \
 440    do {                                                         \
 441       (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;             \
 442       (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;          \
 443       if ((result)->tv_usec < 0) {                              \
 444          --(result)->tv_sec;                                    \
 445          (result)->tv_usec += 1000000;                          \
 446       }                                                         \
 447    } while (0)
 448 #endif
 449
 450 #ifndef TIMEVAL_TO_TIMESPEC
 451 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
 452         (ts)->tv_sec = (tv)->tv_sec;                                    \
 453         (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
 454 }
 455 #endif
 456
 457 #ifndef TIMESPEC_TO_TIMEVAL
 458 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
 459         (tv)->tv_sec = (ts)->tv_sec;                                    \
 460         (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
 461 }
 462 #endif
 463
 464 #ifndef __P
 465 # define __P(x) x
 466 #endif
 467
 468 #if !defined(IN6_IS_ADDR_V4MAPPED)
 469 # define IN6_IS_ADDR_V4MAPPED(a) \
 470         ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
 471          (((u_int32_t *) (a))[2] == htonl (0xffff)))
 472 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */
 473
 474 #if !defined(__GNUC__) || (__GNUC__ < 2)
 475 # define __attribute__(x)
 476 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
 477
 478 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__)
 479 # define __sentinel__
 480 #endif
 481
 482 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__)
 483 # define __bounded__(x, y, z)
 484 #endif
 485
 486 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__)
 487 # define __nonnull__(x)
 488 #endif
 489
 490 /* *-*-nto-qnx doesn't define this macro in the system headers */
 491 #ifdef MISSING_HOWMANY
 492 # define howmany(x,y)   (((x)+((y)-1))/(y))
 493 #endif
 494
 495 #ifndef OSSH_ALIGNBYTES
 496 #define OSSH_ALIGNBYTES (sizeof(int) - 1)
 497 #endif
 498 #ifndef __CMSG_ALIGN
 499 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES)
 500 #endif
 501
 502 /* Length of the contents of a control message of length len */
 503 #ifndef CMSG_LEN
 504 #define CMSG_LEN(len)   (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 505 #endif
 506
 507 /* Length of the space taken up by a padded control message of length len */
 508 #ifndef CMSG_SPACE
 509 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len))
 510 #endif
 511
 512 /* given pointer to struct cmsghdr, return pointer to data */
 513 #ifndef CMSG_DATA
 514 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
 515 #endif /* CMSG_DATA */
 516
 517 /*
 518  * RFC 2292 requires to check msg_controllen, in case that the kernel returns
 519  * an empty list for some reasons.
 520  */
 521 #ifndef CMSG_FIRSTHDR
 522 #define CMSG_FIRSTHDR(mhdr) \
 523         ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
 524          (struct cmsghdr *)(mhdr)->msg_control : \
 525          (struct cmsghdr *)NULL)
 526 #endif /* CMSG_FIRSTHDR */
 527
 528 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0
 529 # define offsetof(type, member) ((size_t) &((type *)0)->member)
 530 #endif
 531
 532 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */
 533 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */
 534 #ifndef BYTE_ORDER
 535 # ifndef LITTLE_ENDIAN
 536 #  define LITTLE_ENDIAN  1234
 537 # endif /* LITTLE_ENDIAN */
 538 # ifndef BIG_ENDIAN
 539 #  define BIG_ENDIAN     4321
 540 # endif /* BIG_ENDIAN */
 541 # ifdef WORDS_BIGENDIAN
 542 #  define BYTE_ORDER BIG_ENDIAN
 543 # else /* WORDS_BIGENDIAN */
 544 #  define BYTE_ORDER LITTLE_ENDIAN
 545 # endif /* WORDS_BIGENDIAN */
 546 #endif /* BYTE_ORDER */
 547
 548 /* Function replacement / compatibility hacks */
 549
 550 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO))
 551 # define HAVE_GETADDRINFO
 552 #endif
 553
 554 #ifndef HAVE_GETOPT_OPTRESET
 555 # undef getopt
 556 # undef opterr
 557 # undef optind
 558 # undef optopt
 559 # undef optreset
 560 # undef optarg
 561 # define getopt(ac, av, o)  BSDgetopt(ac, av, o)
 562 # define opterr             BSDopterr
 563 # define optind             BSDoptind
 564 # define optopt             BSDoptopt
 565 # define optreset           BSDoptreset
 566 # define optarg             BSDoptarg
 567 #endif
 568
 569 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO)
 570 # undef HAVE_GETADDRINFO
 571 #endif
 572 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO)
 573 # undef HAVE_FREEADDRINFO
 574 #endif
 575 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR)
 576 # undef HAVE_GAI_STRERROR
 577 #endif
 578
 579 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX)
 580 # undef HAVE_UPDWTMPX
 581 #endif
 582
 583 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE)
 584 # undef HAS_SHADOW_EXPIRE
 585 #endif
 586
 587 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \
 588     defined(SYSLOG_R_SAFE_IN_SIGHAND)
 589 # define DO_LOG_SAFE_IN_SIGHAND
 590 #endif
 591
 592 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY)
 593 # define memmove(s1, s2, n) bcopy((s2), (s1), (n))
 594 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */
 595
 596 #if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX)
 597 #  define USE_VHANGUP
 598 #endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */
 599
 600 #ifndef GETPGRP_VOID
 601 # include <unistd.h>
 602 # define getpgrp() getpgrp(0)
 603 #endif
 604
 605 #ifdef USE_BSM_AUDIT
 606 # define SSH_AUDIT_EVENTS
 607 # define CUSTOM_SSH_AUDIT_EVENTS
 608 #endif
 609
 610 #ifdef USE_LINUX_AUDIT
 611 # define SSH_AUDIT_EVENTS
 612 # define CUSTOM_SSH_AUDIT_EVENTS
 613 #endif
 614
 615 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__)
 616 #  define __func__ __FUNCTION__
 617 #elif !defined(HAVE___func__)
 618 #  define __func__ ""
 619 #endif
 620
 621 #if defined(KRB5) && !defined(HEIMDAL)
 622 #  define krb5_get_err_text(context,code) error_message(code)
 623 #endif
 624
 625 #if defined(SKEYCHALLENGE_4ARG)
 626 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d)
 627 #else
 628 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c)
 629 #endif
 630
 631 /* Maximum number of file descriptors available */
 632 #ifdef HAVE_SYSCONF
 633 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX)
 634 #else
 635 # define SSH_SYSFDMAX 10000
 636 #endif
 637
 638 #ifdef FSID_HAS_VAL
 639 /* encode f_fsid into a 64 bit value  */
 640 #define FSID_TO_ULONG(f) \
 641         ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \
 642             ((f).val[1] & 0xffffffffUL))
 643 #elif defined(FSID_HAS___VAL)
 644 #define FSID_TO_ULONG(f) \
 645         ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \
 646             ((f).__val[1] & 0xffffffffUL))
 647 #else
 648 # define FSID_TO_ULONG(f) ((f))
 649 #endif
 650
 651 #if defined(__Lynx__)
 652  /*
 653   * LynxOS defines these in param.h which we do not want to include since
 654   * it will also pull in a bunch of kernel definitions.
 655   */
 656 # define ALIGNBYTES (sizeof(int) - 1)
 657 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES)
 658   /* Missing prototypes on LynxOS */
 659   int snprintf (char *, size_t, const char *, ...);
 660   int mkstemp (char *);
 661   char *crypt (const char *, const char *);
 662   int seteuid (uid_t);
 663   int setegid (gid_t);
 664   char *mkdtemp (char *);
 665   int rresvport_af (int *, sa_family_t);
 666   int innetgr (const char *, const char *, const char *, const char *);
 667 #endif
 668
 669 /*
 670  * Define this to use pipes instead of socketpairs for communicating with the
 671  * client program.  Socketpairs do not seem to work on all systems.
 672  *
 673  * configure.ac sets this for a few OS's which are known to have problems
 674  * but you may need to set it yourself
 675  */
 676 /* #define USE_PIPES 1 */
 677
 678 /**
 679  ** login recorder definitions
 680  **/
 681
 682 /* FIXME: put default paths back in */
 683 #ifndef UTMP_FILE
 684 #  ifdef _PATH_UTMP
 685 #    define UTMP_FILE _PATH_UTMP
 686 #  else
 687 #    ifdef CONF_UTMP_FILE
 688 #      define UTMP_FILE CONF_UTMP_FILE
 689 #    endif
 690 #  endif
 691 #endif
 692 #ifndef WTMP_FILE
 693 #  ifdef _PATH_WTMP
 694 #    define WTMP_FILE _PATH_WTMP
 695 #  else
 696 #    ifdef CONF_WTMP_FILE
 697 #      define WTMP_FILE CONF_WTMP_FILE
 698 #    endif
 699 #  endif
 700 #endif
 701 /* pick up the user's location for lastlog if given */
 702 #ifndef LASTLOG_FILE
 703 #  ifdef _PATH_LASTLOG
 704 #    define LASTLOG_FILE _PATH_LASTLOG
 705 #  else
 706 #    ifdef CONF_LASTLOG_FILE
 707 #      define LASTLOG_FILE CONF_LASTLOG_FILE
 708 #    endif
 709 #  endif
 710 #endif
 711
 712 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
 713 # define USE_SHADOW
 714 #endif
 715
 716 /* The login() library function in libutil is first choice */
 717 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN)
 718 #  define USE_LOGIN
 719
 720 #else
 721 /* Simply select your favourite login types. */
 722 /* Can't do if-else because some systems use several... <sigh> */
 723 #  if !defined(DISABLE_UTMPX)
 724 #    define USE_UTMPX
 725 #  endif
 726 #  if defined(UTMP_FILE) && !defined(DISABLE_UTMP)
 727 #    define USE_UTMP
 728 #  endif
 729 #  if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX)
 730 #    define USE_WTMPX
 731 #  endif
 732 #  if defined(WTMP_FILE) && !defined(DISABLE_WTMP)
 733 #    define USE_WTMP
 734 #  endif
 735
 736 #endif
 737
 738 #ifndef UT_LINESIZE
 739 # define UT_LINESIZE 8
 740 #endif
 741
 742 /* I hope that the presence of LASTLOG_FILE is enough to detect this */
 743 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG)
 744 #  define USE_LASTLOG
 745 #endif
 746
 747 #ifdef HAVE_OSF_SIA
 748 # ifdef USE_SHADOW
 749 #  undef USE_SHADOW
 750 # endif
 751 # define CUSTOM_SYS_AUTH_PASSWD 1
 752 #endif
 753
 754 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE)
 755 # define CUSTOM_SYS_AUTH_PASSWD 1
 756 #endif
 757 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF)
 758 # define USE_LIBIAF
 759 #endif
 760
 761 /* HP-UX 11.11 */
 762 #ifdef BTMP_FILE
 763 # define _PATH_BTMP BTMP_FILE
 764 #endif
 765
 766 #if defined(USE_BTMP) && defined(_PATH_BTMP)
 767 # define CUSTOM_FAILED_LOGIN
 768 #endif
 769
 770 /** end of login recorder definitions */
 771
 772 #ifdef BROKEN_GETGROUPS
 773 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b)))
 774 #endif
 775
 776 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP)
 777 # undef HAVE_MMAP
 778 #endif
 779
 780 #ifndef IOV_MAX
 781 # if defined(_XOPEN_IOV_MAX)
 782 #  define       IOV_MAX         _XOPEN_IOV_MAX
 783 # elif defined(DEF_IOV_MAX)
 784 #  define       IOV_MAX         DEF_IOV_MAX
 785 # else
 786 #  define       IOV_MAX         16
 787 # endif
 788 #endif
 789
 790 #ifndef EWOULDBLOCK
 791 # define EWOULDBLOCK EAGAIN
 792 #endif
 793
 794 #ifndef INET6_ADDRSTRLEN        /* for non IPv6 machines */
 795 #define INET6_ADDRSTRLEN 46
 796 #endif
 797
 798 #ifndef SSH_IOBUFSZ
 799 # define SSH_IOBUFSZ 8192
 800 #endif
 801
 802 #ifndef _NSIG
 803 # ifdef NSIG
 804 #  define _NSIG NSIG
 805 # else
 806 #  define _NSIG 128
 807 # endif
 808 #endif
 809
 810 #endif /* _DEFINES_H */