defines.h revision 128456
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 1.115 2004/04/14 07:24:30 dtucker Exp $ */ 29 30 31/* Constants */ 32 33#ifndef SHUT_RDWR 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#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 /* Should be safe */ 58# endif /* PATH_MAX */ 59#endif /* MAXPATHLEN */ 60 61#ifndef STDIN_FILENO 62# define STDIN_FILENO 0 63#endif 64#ifndef STDOUT_FILENO 65# define STDOUT_FILENO 1 66#endif 67#ifndef STDERR_FILENO 68# define STDERR_FILENO 2 69#endif 70 71#ifndef NGROUPS_MAX /* Disable groupaccess if NGROUP_MAX is not set */ 72#ifdef NGROUPS 73#define NGROUPS_MAX NGROUPS 74#else 75#define NGROUPS_MAX 0 76#endif 77#endif 78 79#ifndef O_NONBLOCK /* Non Blocking Open */ 80# define O_NONBLOCK 00004 81#endif 82 83#ifndef S_ISDIR 84# define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) 85#endif /* S_ISDIR */ 86 87#ifndef S_ISREG 88# define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) 89#endif /* S_ISREG */ 90 91#ifndef S_ISLNK 92# define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) 93#endif /* S_ISLNK */ 94 95#ifndef S_IXUSR 96# define S_IXUSR 0000100 /* execute/search permission, */ 97# define S_IXGRP 0000010 /* execute/search permission, */ 98# define S_IXOTH 0000001 /* execute/search permission, */ 99# define _S_IWUSR 0000200 /* write permission, */ 100# define S_IWUSR _S_IWUSR /* write permission, owner */ 101# define S_IWGRP 0000020 /* write permission, group */ 102# define S_IWOTH 0000002 /* write permission, other */ 103# define S_IRUSR 0000400 /* read permission, owner */ 104# define S_IRGRP 0000040 /* read permission, group */ 105# define S_IROTH 0000004 /* read permission, other */ 106# define S_IRWXU 0000700 /* read, write, execute */ 107# define S_IRWXG 0000070 /* read, write, execute */ 108# define S_IRWXO 0000007 /* read, write, execute */ 109#endif /* S_IXUSR */ 110 111#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS) 112#define MAP_ANON MAP_ANONYMOUS 113#endif 114 115#ifndef MAP_FAILED 116# define MAP_FAILED ((void *)-1) 117#endif 118 119/* *-*-nto-qnx doesn't define this constant in the system headers */ 120#ifdef MISSING_NFDBITS 121# define NFDBITS (8 * sizeof(unsigned long)) 122#endif 123 124/* 125SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but 126including rpc/rpc.h breaks Solaris 6 127*/ 128#ifndef INADDR_LOOPBACK 129#define INADDR_LOOPBACK ((u_long)0x7f000001) 130#endif 131 132#ifndef __unused 133#define __unused 134#endif 135 136/* Types */ 137 138/* If sys/types.h does not supply intXX_t, supply them ourselves */ 139/* (or die trying) */ 140 141 142#ifndef HAVE_U_INT 143typedef unsigned int u_int; 144#endif 145 146#ifndef HAVE_INTXX_T 147# if (SIZEOF_CHAR == 1) 148typedef char int8_t; 149# else 150# error "8 bit int type not found." 151# endif 152# if (SIZEOF_SHORT_INT == 2) 153typedef short int int16_t; 154# else 155# ifdef _UNICOS 156# if (SIZEOF_SHORT_INT == 4) 157typedef short int16_t; 158# else 159typedef long int16_t; 160# endif 161# else 162# error "16 bit int type not found." 163# endif /* _UNICOS */ 164# endif 165# if (SIZEOF_INT == 4) 166typedef int int32_t; 167# else 168# ifdef _UNICOS 169typedef long int32_t; 170# else 171# error "32 bit int type not found." 172# endif /* _UNICOS */ 173# endif 174#endif 175 176/* If sys/types.h does not supply u_intXX_t, supply them ourselves */ 177#ifndef HAVE_U_INTXX_T 178# ifdef HAVE_UINTXX_T 179typedef uint8_t u_int8_t; 180typedef uint16_t u_int16_t; 181typedef uint32_t u_int32_t; 182# define HAVE_U_INTXX_T 1 183# else 184# if (SIZEOF_CHAR == 1) 185typedef unsigned char u_int8_t; 186# else 187# error "8 bit int type not found." 188# endif 189# if (SIZEOF_SHORT_INT == 2) 190typedef unsigned short int u_int16_t; 191# else 192# ifdef _UNICOS 193# if (SIZEOF_SHORT_INT == 4) 194typedef unsigned short u_int16_t; 195# else 196typedef unsigned long u_int16_t; 197# endif 198# else 199# error "16 bit int type not found." 200# endif 201# endif 202# if (SIZEOF_INT == 4) 203typedef unsigned int u_int32_t; 204# else 205# ifdef _UNICOS 206typedef unsigned long u_int32_t; 207# else 208# error "32 bit int type not found." 209# endif 210# endif 211# endif 212#define __BIT_TYPES_DEFINED__ 213#endif 214 215/* 64-bit types */ 216#ifndef HAVE_INT64_T 217# if (SIZEOF_LONG_INT == 8) 218typedef long int int64_t; 219# else 220# if (SIZEOF_LONG_LONG_INT == 8) 221typedef long long int int64_t; 222# endif 223# endif 224#endif 225#ifndef HAVE_U_INT64_T 226# if (SIZEOF_LONG_INT == 8) 227typedef unsigned long int u_int64_t; 228# else 229# if (SIZEOF_LONG_LONG_INT == 8) 230typedef unsigned long long int u_int64_t; 231# endif 232# endif 233#endif 234 235#ifndef HAVE_U_CHAR 236typedef unsigned char u_char; 237# define HAVE_U_CHAR 238#endif /* HAVE_U_CHAR */ 239 240#ifndef SIZE_T_MAX 241#define SIZE_T_MAX ULONG_MAX 242#endif /* SIZE_T_MAX */ 243 244#ifndef HAVE_SIZE_T 245typedef unsigned int size_t; 246# define HAVE_SIZE_T 247# define SIZE_T_MAX UINT_MAX 248#endif /* HAVE_SIZE_T */ 249 250#ifndef HAVE_SSIZE_T 251typedef int ssize_t; 252# define HAVE_SSIZE_T 253#endif /* HAVE_SSIZE_T */ 254 255#ifndef HAVE_CLOCK_T 256typedef long clock_t; 257# define HAVE_CLOCK_T 258#endif /* HAVE_CLOCK_T */ 259 260#ifndef HAVE_SA_FAMILY_T 261typedef int sa_family_t; 262# define HAVE_SA_FAMILY_T 263#endif /* HAVE_SA_FAMILY_T */ 264 265#ifndef HAVE_PID_T 266typedef int pid_t; 267# define HAVE_PID_T 268#endif /* HAVE_PID_T */ 269 270#ifndef HAVE_SIG_ATOMIC_T 271typedef int sig_atomic_t; 272# define HAVE_SIG_ATOMIC_T 273#endif /* HAVE_SIG_ATOMIC_T */ 274 275#ifndef HAVE_MODE_T 276typedef int mode_t; 277# define HAVE_MODE_T 278#endif /* HAVE_MODE_T */ 279 280#if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS) 281# define ss_family __ss_family 282#endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */ 283 284#ifndef HAVE_SYS_UN_H 285struct sockaddr_un { 286 short sun_family; /* AF_UNIX */ 287 char sun_path[108]; /* path name (gag) */ 288}; 289#endif /* HAVE_SYS_UN_H */ 290 291#if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE) 292#define _STRUCT_WINSIZE 293struct winsize { 294 unsigned short ws_row; /* rows, in characters */ 295 unsigned short ws_col; /* columns, in character */ 296 unsigned short ws_xpixel; /* horizontal size, pixels */ 297 unsigned short ws_ypixel; /* vertical size, pixels */ 298}; 299#endif 300 301/* *-*-nto-qnx does not define this type in the system headers */ 302#ifdef MISSING_FD_MASK 303 typedef unsigned long int fd_mask; 304#endif 305 306/* Paths */ 307 308#ifndef _PATH_BSHELL 309# define _PATH_BSHELL "/bin/sh" 310#endif 311#ifndef _PATH_CSHELL 312# define _PATH_CSHELL "/bin/csh" 313#endif 314#ifndef _PATH_SHELLS 315# define _PATH_SHELLS "/etc/shells" 316#endif 317 318#ifdef USER_PATH 319# ifdef _PATH_STDPATH 320# undef _PATH_STDPATH 321# endif 322# define _PATH_STDPATH USER_PATH 323#endif 324 325#ifndef _PATH_STDPATH 326# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" 327#endif 328 329#ifndef SUPERUSER_PATH 330# define SUPERUSER_PATH _PATH_STDPATH 331#endif 332 333#ifndef _PATH_DEVNULL 334# define _PATH_DEVNULL "/dev/null" 335#endif 336 337#ifndef MAIL_DIRECTORY 338# define MAIL_DIRECTORY "/var/spool/mail" 339#endif 340 341#ifndef MAILDIR 342# define MAILDIR MAIL_DIRECTORY 343#endif 344 345#if !defined(_PATH_MAILDIR) && defined(MAILDIR) 346# define _PATH_MAILDIR MAILDIR 347#endif /* !defined(_PATH_MAILDIR) && defined(MAILDIR) */ 348 349#ifndef _PATH_NOLOGIN 350# define _PATH_NOLOGIN "/etc/nologin" 351#endif 352 353/* Define this to be the path of the xauth program. */ 354#ifdef XAUTH_PATH 355#define _PATH_XAUTH XAUTH_PATH 356#endif /* XAUTH_PATH */ 357 358/* derived from XF4/xc/lib/dps/Xlibnet.h */ 359#ifndef X_UNIX_PATH 360# ifdef __hpux 361# define X_UNIX_PATH "/var/spool/sockets/X11/%u" 362# else 363# define X_UNIX_PATH "/tmp/.X11-unix/X%u" 364# endif 365#endif /* X_UNIX_PATH */ 366#define _PATH_UNIX_X X_UNIX_PATH 367 368#ifndef _PATH_TTY 369# define _PATH_TTY "/dev/tty" 370#endif 371 372/* Macros */ 373 374#if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H) 375# define HAVE_LOGIN_CAP 376#endif 377 378#ifndef MAX 379# define MAX(a,b) (((a)>(b))?(a):(b)) 380# define MIN(a,b) (((a)<(b))?(a):(b)) 381#endif 382 383#ifndef roundup 384# define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 385#endif 386 387#ifndef timersub 388#define timersub(a, b, result) \ 389 do { \ 390 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ 391 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ 392 if ((result)->tv_usec < 0) { \ 393 --(result)->tv_sec; \ 394 (result)->tv_usec += 1000000; \ 395 } \ 396 } while (0) 397#endif 398 399#ifndef TIMEVAL_TO_TIMESPEC 400#define TIMEVAL_TO_TIMESPEC(tv, ts) { \ 401 (ts)->tv_sec = (tv)->tv_sec; \ 402 (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 403} 404#endif 405 406#ifndef TIMESPEC_TO_TIMEVAL 407#define TIMESPEC_TO_TIMEVAL(tv, ts) { \ 408 (tv)->tv_sec = (ts)->tv_sec; \ 409 (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 410} 411#endif 412 413#ifndef __P 414# define __P(x) x 415#endif 416 417#if !defined(IN6_IS_ADDR_V4MAPPED) 418# define IN6_IS_ADDR_V4MAPPED(a) \ 419 ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \ 420 (((u_int32_t *) (a))[2] == htonl (0xffff))) 421#endif /* !defined(IN6_IS_ADDR_V4MAPPED) */ 422 423#if !defined(__GNUC__) || (__GNUC__ < 2) 424# define __attribute__(x) 425#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ 426 427/* *-*-nto-qnx doesn't define this macro in the system headers */ 428#ifdef MISSING_HOWMANY 429# define howmany(x,y) (((x)+((y)-1))/(y)) 430#endif 431 432#ifndef OSSH_ALIGNBYTES 433#define OSSH_ALIGNBYTES (sizeof(int) - 1) 434#endif 435#ifndef __CMSG_ALIGN 436#define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES) 437#endif 438 439/* Length of the contents of a control message of length len */ 440#ifndef CMSG_LEN 441#define CMSG_LEN(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 442#endif 443 444/* Length of the space taken up by a padded control message of length len */ 445#ifndef CMSG_SPACE 446#define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len)) 447#endif 448 449/* given pointer to struct cmsghdr, return pointer to data */ 450#ifndef CMSG_DATA 451#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr))) 452#endif /* CMSG_DATA */ 453 454/* 455 * RFC 2292 requires to check msg_controllen, in case that the kernel returns 456 * an empty list for some reasons. 457 */ 458#ifndef CMSG_FIRSTHDR 459#define CMSG_FIRSTHDR(mhdr) \ 460 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ 461 (struct cmsghdr *)(mhdr)->msg_control : \ 462 (struct cmsghdr *)NULL) 463#endif /* CMSG_FIRSTHDR */ 464 465 466/* Function replacement / compatibility hacks */ 467 468#if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO)) 469# define HAVE_GETADDRINFO 470#endif 471 472#ifndef HAVE_GETOPT_OPTRESET 473# undef getopt 474# undef opterr 475# undef optind 476# undef optopt 477# undef optreset 478# undef optarg 479# define getopt(ac, av, o) BSDgetopt(ac, av, o) 480# define opterr BSDopterr 481# define optind BSDoptind 482# define optopt BSDoptopt 483# define optreset BSDoptreset 484# define optarg BSDoptarg 485#endif 486 487/* In older versions of libpam, pam_strerror takes a single argument */ 488#ifdef HAVE_OLD_PAM 489# define PAM_STRERROR(a,b) pam_strerror((b)) 490#else 491# define PAM_STRERROR(a,b) pam_strerror((a),(b)) 492#endif 493 494#ifdef PAM_SUN_CODEBASE 495# define PAM_MSG_MEMBER(msg, n, member) ((*(msg))[(n)].member) 496#else 497# define PAM_MSG_MEMBER(msg, n, member) ((msg)[(n)]->member) 498#endif 499 500#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO) 501# undef HAVE_GETADDRINFO 502#endif 503#if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO) 504# undef HAVE_FREEADDRINFO 505#endif 506#if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR) 507# undef HAVE_GAI_STRERROR 508#endif 509 510#if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX) 511# undef HAVE_UPDWTMPX 512#endif 513 514#if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) 515# define memmove(s1, s2, n) bcopy((s2), (s1), (n)) 516#endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */ 517 518#if defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) 519# define USE_VHANGUP 520#endif /* defined(HAVE_VHANGUP) && !defined(HAVE_DEV_PTMX) */ 521 522#ifndef GETPGRP_VOID 523# define getpgrp() getpgrp(0) 524#endif 525 526/* OPENSSL_free() is Free() in versions before OpenSSL 0.9.6 */ 527#if !defined(OPENSSL_VERSION_NUMBER) || (OPENSSL_VERSION_NUMBER < 0x0090600f) 528# define OPENSSL_free(x) Free(x) 529#endif 530 531#if !defined(HAVE___func__) && defined(HAVE___FUNCTION__) 532# define __func__ __FUNCTION__ 533#elif !defined(HAVE___func__) 534# define __func__ "" 535#endif 536 537#if defined(KRB5) && !defined(HEIMDAL) 538# define krb5_get_err_text(context,code) error_message(code) 539#endif 540 541#if defined(SKEYCHALLENGE_4ARG) 542# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d) 543#else 544# define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c) 545#endif 546 547/* Maximum number of file descriptors available */ 548#ifdef HAVE_SYSCONF 549# define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX) 550#else 551# define SSH_SYSFDMAX 10000 552#endif 553 554 555/* 556 * Define this to use pipes instead of socketpairs for communicating with the 557 * client program. Socketpairs do not seem to work on all systems. 558 * 559 * configure.ac sets this for a few OS's which are known to have problems 560 * but you may need to set it yourself 561 */ 562/* #define USE_PIPES 1 */ 563 564/** 565 ** login recorder definitions 566 **/ 567 568/* FIXME: put default paths back in */ 569#ifndef UTMP_FILE 570# ifdef _PATH_UTMP 571# define UTMP_FILE _PATH_UTMP 572# else 573# ifdef CONF_UTMP_FILE 574# define UTMP_FILE CONF_UTMP_FILE 575# endif 576# endif 577#endif 578#ifndef WTMP_FILE 579# ifdef _PATH_WTMP 580# define WTMP_FILE _PATH_WTMP 581# else 582# ifdef CONF_WTMP_FILE 583# define WTMP_FILE CONF_WTMP_FILE 584# endif 585# endif 586#endif 587/* pick up the user's location for lastlog if given */ 588#ifndef LASTLOG_FILE 589# ifdef _PATH_LASTLOG 590# define LASTLOG_FILE _PATH_LASTLOG 591# else 592# ifdef CONF_LASTLOG_FILE 593# define LASTLOG_FILE CONF_LASTLOG_FILE 594# endif 595# endif 596#endif 597 598#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) 599# define USE_SHADOW 600#endif 601 602/* The login() library function in libutil is first choice */ 603#if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN) 604# define USE_LOGIN 605 606#else 607/* Simply select your favourite login types. */ 608/* Can't do if-else because some systems use several... <sigh> */ 609# if defined(UTMPX_FILE) && !defined(DISABLE_UTMPX) 610# define USE_UTMPX 611# endif 612# if defined(UTMP_FILE) && !defined(DISABLE_UTMP) 613# define USE_UTMP 614# endif 615# if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX) 616# define USE_WTMPX 617# endif 618# if defined(WTMP_FILE) && !defined(DISABLE_WTMP) 619# define USE_WTMP 620# endif 621 622#endif 623 624#ifndef UT_LINESIZE 625# define UT_LINESIZE 8 626#endif 627 628/* I hope that the presence of LASTLOG_FILE is enough to detect this */ 629#if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG) 630# define USE_LASTLOG 631#endif 632 633#ifdef HAVE_OSF_SIA 634# ifdef USE_SHADOW 635# undef USE_SHADOW 636# endif 637# define CUSTOM_SYS_AUTH_PASSWD 1 638#endif 639 640/** end of login recorder definitions */ 641 642#endif /* _DEFINES_H */ 643