defines.h revision 294328
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 34enum 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/* 175SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but 176including 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 188typedef unsigned int u_int; 189#endif 190 191#ifndef HAVE_INTXX_T 192typedef signed char int8_t; 193# if (SIZEOF_SHORT_INT == 2) 194typedef short int int16_t; 195# else 196# ifdef _UNICOS 197# if (SIZEOF_SHORT_INT == 4) 198typedef short int16_t; 199# else 200typedef 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) 207typedef int int32_t; 208# else 209# ifdef _UNICOS 210typedef 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 220typedef uint8_t u_int8_t; 221typedef uint16_t u_int16_t; 222typedef uint32_t u_int32_t; 223# define HAVE_U_INTXX_T 1 224# else 225typedef unsigned char u_int8_t; 226# if (SIZEOF_SHORT_INT == 2) 227typedef unsigned short int u_int16_t; 228# else 229# ifdef _UNICOS 230# if (SIZEOF_SHORT_INT == 4) 231typedef unsigned short u_int16_t; 232# else 233typedef 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) 240typedef unsigned int u_int32_t; 241# else 242# ifdef _UNICOS 243typedef 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) 255typedef long int int64_t; 256# else 257# if (SIZEOF_LONG_LONG_INT == 8) 258typedef long long int int64_t; 259# endif 260# endif 261#endif 262#ifndef HAVE_U_INT64_T 263# if (SIZEOF_LONG_INT == 8) 264typedef unsigned long int u_int64_t; 265# else 266# if (SIZEOF_LONG_LONG_INT == 8) 267typedef unsigned long long int u_int64_t; 268# endif 269# endif 270#endif 271 272#ifndef HAVE_UINTXX_T 273typedef u_int8_t uint8_t; 274typedef u_int16_t uint16_t; 275typedef u_int32_t uint32_t; 276typedef u_int64_t uint64_t; 277#endif 278 279#ifndef HAVE_INTMAX_T 280typedef long long intmax_t; 281#endif 282 283#ifndef HAVE_UINTMAX_T 284typedef unsigned long long uintmax_t; 285#endif 286 287#ifndef HAVE_U_CHAR 288typedef 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 301typedef 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 311typedef int ssize_t; 312# define HAVE_SSIZE_T 313#endif /* HAVE_SSIZE_T */ 314 315#ifndef HAVE_CLOCK_T 316typedef long clock_t; 317# define HAVE_CLOCK_T 318#endif /* HAVE_CLOCK_T */ 319 320#ifndef HAVE_SA_FAMILY_T 321typedef int sa_family_t; 322# define HAVE_SA_FAMILY_T 323#endif /* HAVE_SA_FAMILY_T */ 324 325#ifndef HAVE_PID_T 326typedef int pid_t; 327# define HAVE_PID_T 328#endif /* HAVE_PID_T */ 329 330#ifndef HAVE_SIG_ATOMIC_T 331typedef int sig_atomic_t; 332# define HAVE_SIG_ATOMIC_T 333#endif /* HAVE_SIG_ATOMIC_T */ 334 335#ifndef HAVE_MODE_T 336typedef 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 345struct 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 352typedef u_int32_t in_addr_t; 353#endif 354#ifndef HAVE_IN_PORT_T 355typedef u_int16_t in_port_t; 356#endif 357 358#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE) 359#define _STRUCT_WINSIZE 360struct 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 */ 845