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 /* Constants */ 29 30 #if defined(HAVE_DECL_SHUT_RD) && HAVE_DECL_SHUT_RD == 0 31 enum 32 { 33 SHUT_RD = 0, /* No more receptions. */ 34 SHUT_WR, /* No more transmissions. */ 35 SHUT_RDWR /* No more receptions or transmissions. */ 36 }; 37 # define SHUT_RD SHUT_RD 38 # define SHUT_WR SHUT_WR 39 # define SHUT_RDWR SHUT_RDWR 40 #endif 41 42 /* 43 * Cygwin doesn't really have a notion of reserved ports. It is still 44 * is useful on the client side so for compatibility it defines as 1024 via 45 * netinet/in.h inside an enum. We * don't actually want that restriction 46 * so we want to set that to zero, but we can't do it direct in config.h 47 * because it'll cause a conflicting definition the first time we include 48 * netinet/in.h. 49 */ 50 51 #ifdef HAVE_CYGWIN 52 #define IPPORT_RESERVED 0 53 #endif 54 55 /* 56 * Definitions for IP type of service (ip_tos) 57 */ 58 #include <netinet/in_systm.h> 59 #include <netinet/ip.h> 60 #ifndef IPTOS_LOWDELAY 61 # define IPTOS_LOWDELAY 0x10 62 # define IPTOS_THROUGHPUT 0x08 63 # define IPTOS_RELIABILITY 0x04 64 # define IPTOS_LOWCOST 0x02 65 # define IPTOS_MINCOST IPTOS_LOWCOST 66 #endif /* IPTOS_LOWDELAY */ 67 68 /* 69 * Definitions for DiffServ Codepoints as per RFC2474 70 */ 71 #ifndef IPTOS_DSCP_AF11 72 # define IPTOS_DSCP_AF11 0x28 73 # define IPTOS_DSCP_AF12 0x30 74 # define IPTOS_DSCP_AF13 0x38 75 # define IPTOS_DSCP_AF21 0x48 76 # define IPTOS_DSCP_AF22 0x50 77 # define IPTOS_DSCP_AF23 0x58 78 # define IPTOS_DSCP_AF31 0x68 79 # define IPTOS_DSCP_AF32 0x70 80 # define IPTOS_DSCP_AF33 0x78 81 # define IPTOS_DSCP_AF41 0x88 82 # define IPTOS_DSCP_AF42 0x90 83 # define IPTOS_DSCP_AF43 0x98 84 # define IPTOS_DSCP_EF 0xb8 85 #endif /* IPTOS_DSCP_AF11 */ 86 #ifndef IPTOS_DSCP_CS0 87 # define IPTOS_DSCP_CS0 0x00 88 # define IPTOS_DSCP_CS1 0x20 89 # define IPTOS_DSCP_CS2 0x40 90 # define IPTOS_DSCP_CS3 0x60 91 # define IPTOS_DSCP_CS4 0x80 92 # define IPTOS_DSCP_CS5 0xa0 93 # define IPTOS_DSCP_CS6 0xc0 94 # define IPTOS_DSCP_CS7 0xe0 95 #endif /* IPTOS_DSCP_CS0 */ 96 #ifndef IPTOS_DSCP_EF 97 # define IPTOS_DSCP_EF 0xb8 98 #endif /* IPTOS_DSCP_EF */ 99 100 #ifndef PATH_MAX 101 # ifdef _POSIX_PATH_MAX 102 # define PATH_MAX _POSIX_PATH_MAX 103 # endif 104 #endif 105 106 #ifndef MAXPATHLEN 107 # ifdef PATH_MAX 108 # define MAXPATHLEN PATH_MAX 109 # else /* PATH_MAX */ 110 # define MAXPATHLEN 64 111 /* realpath uses a fixed buffer of size MAXPATHLEN, so force use of ours */ 112 # ifndef BROKEN_REALPATH 113 # define BROKEN_REALPATH 1 114 # endif /* BROKEN_REALPATH */ 115 # endif /* PATH_MAX */ 116 #endif /* MAXPATHLEN */ 117 118 #ifndef HOST_NAME_MAX 119 # include "netdb.h" /* for MAXHOSTNAMELEN */ 120 # if defined(_POSIX_HOST_NAME_MAX) 121 # define HOST_NAME_MAX _POSIX_HOST_NAME_MAX 122 # elif defined(MAXHOSTNAMELEN) 123 # define HOST_NAME_MAX MAXHOSTNAMELEN 124 # else 125 # define HOST_NAME_MAX 255 126 # endif 127 #endif /* HOST_NAME_MAX */ 128 129 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0 130 # define MAXSYMLINKS 5 131 #endif 132 133 #ifndef STDIN_FILENO 134 # define STDIN_FILENO 0 135 #endif 136 #ifndef STDOUT_FILENO 137 # define STDOUT_FILENO 1 138 #endif 139 #ifndef STDERR_FILENO 140 # define STDERR_FILENO 2 141 #endif 142 143 #ifndef NGROUPS_MAX /* Disable groupaccess if NGROUP_MAX is not set */ 144 #ifdef NGROUPS 145 #define NGROUPS_MAX NGROUPS 146 #else 147 #define NGROUPS_MAX 0 148 #endif 149 #endif 150 151 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0 152 # define O_NONBLOCK 00004 /* Non Blocking Open */ 153 #endif 154 155 #ifndef S_IFSOCK 156 # define S_IFSOCK 0 157 #endif /* S_IFSOCK */ 158 159 #ifndef S_ISDIR 160 # define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) 161 #endif /* S_ISDIR */ 162 163 #ifndef S_ISREG 164 # define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) 165 #endif /* S_ISREG */ 166 167 #ifndef S_ISLNK 168 # define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) 169 #endif /* S_ISLNK */ 170 171 #ifndef S_IXUSR 172 # define S_IXUSR 0000100 /* execute/search permission, */ 173 # define S_IXGRP 0000010 /* execute/search permission, */ 174 # define S_IXOTH 0000001 /* execute/search permission, */ 175 # define _S_IWUSR 0000200 /* write permission, */ 176 # define S_IWUSR _S_IWUSR /* write permission, owner */ 177 # define S_IWGRP 0000020 /* write permission, group */ 178 # define S_IWOTH 0000002 /* write permission, other */ 179 # define S_IRUSR 0000400 /* read permission, owner */ 180 # define S_IRGRP 0000040 /* read permission, group */ 181 # define S_IROTH 0000004 /* read permission, other */ 182 # define S_IRWXU 0000700 /* read, write, execute */ 183 # define S_IRWXG 0000070 /* read, write, execute */ 184 # define S_IRWXO 0000007 /* read, write, execute */ 185 #endif /* S_IXUSR */ 186 187 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS) 188 #define MAP_ANON MAP_ANONYMOUS 189 #endif 190 191 #ifndef MAP_FAILED 192 # define MAP_FAILED ((void *)-1) 193 #endif 194 195 /* 196 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but 197 including rpc/rpc.h breaks Solaris 6 198 */ 199 #ifndef INADDR_LOOPBACK 200 #define INADDR_LOOPBACK ((u_long)0x7f000001) 201 #endif 202 203 /* Types */ 204 205 /* If sys/types.h does not supply intXX_t, supply them ourselves */ 206 /* (or die trying) */ 207 208 #ifndef HAVE_U_INT 209 typedef unsigned int u_int; 210 #endif 211 212 #ifndef HAVE_INTXX_T 213 typedef signed char int8_t; 214 # if (SIZEOF_SHORT_INT == 2) 215 typedef short int int16_t; 216 # else 217 # ifdef _UNICOS 218 # if (SIZEOF_SHORT_INT == 4) 219 typedef short int16_t; 220 # else 221 typedef long int16_t; 222 # endif 223 # else 224 # error "16 bit int type not found." 225 # endif /* _UNICOS */ 226 # endif 227 # if (SIZEOF_INT == 4) 228 typedef int int32_t; 229 # else 230 # ifdef _UNICOS 231 typedef long int32_t; 232 # else 233 # error "32 bit int type not found." 234 # endif /* _UNICOS */ 235 # endif 236 #endif 237 238 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */ 239 #ifndef HAVE_U_INTXX_T 240 # ifdef HAVE_UINTXX_T 241 typedef uint8_t u_int8_t; 242 typedef uint16_t u_int16_t; 243 typedef uint32_t u_int32_t; 244 # define HAVE_U_INTXX_T 1 245 # else 246 typedef unsigned char u_int8_t; 247 # if (SIZEOF_SHORT_INT == 2) 248 typedef unsigned short int u_int16_t; 249 # else 250 # ifdef _UNICOS 251 # if (SIZEOF_SHORT_INT == 4) 252 typedef unsigned short u_int16_t; 253 # else 254 typedef unsigned long u_int16_t; 255 # endif 256 # else 257 # error "16 bit int type not found." 258 # endif 259 # endif 260 # if (SIZEOF_INT == 4) 261 typedef unsigned int u_int32_t; 262 # else 263 # ifdef _UNICOS 264 typedef unsigned long u_int32_t; 265 # else 266 # error "32 bit int type not found." 267 # endif 268 # endif 269 # endif 270 #define __BIT_TYPES_DEFINED__ 271 #endif 272 273 /* 64-bit types */ 274 #ifndef HAVE_INT64_T 275 # if (SIZEOF_LONG_INT == 8) 276 typedef long int int64_t; 277 # else 278 # if (SIZEOF_LONG_LONG_INT == 8) 279 typedef long long int int64_t; 280 # endif 281 # endif 282 #endif 283 #ifndef HAVE_U_INT64_T 284 # if (SIZEOF_LONG_INT == 8) 285 typedef unsigned long int u_int64_t; 286 # else 287 # if (SIZEOF_LONG_LONG_INT == 8) 288 typedef unsigned long long int u_int64_t; 289 # endif 290 # endif 291 #endif 292 293 #ifndef HAVE_UINTXX_T 294 typedef u_int8_t uint8_t; 295 typedef u_int16_t uint16_t; 296 typedef u_int32_t uint32_t; 297 typedef u_int64_t uint64_t; 298 #endif 299 300 #ifndef HAVE_INTMAX_T 301 typedef long long intmax_t; 302 #endif 303 304 #ifndef HAVE_UINTMAX_T 305 typedef unsigned long long uintmax_t; 306 #endif 307 308 #ifndef HAVE_U_CHAR 309 typedef unsigned char u_char; 310 # define HAVE_U_CHAR 311 #endif /* HAVE_U_CHAR */ 312 313 #ifndef ULLONG_MAX 314 # define ULLONG_MAX ((unsigned long long)-1) 315 #endif 316 317 #ifndef SIZE_T_MAX 318 #define SIZE_T_MAX ULONG_MAX 319 #endif /* SIZE_T_MAX */ 320 321 #ifndef HAVE_SIZE_T 322 typedef unsigned int size_t; 323 # define HAVE_SIZE_T 324 # define SIZE_T_MAX UINT_MAX 325 #endif /* HAVE_SIZE_T */ 326 327 #ifndef SIZE_MAX 328 #define SIZE_MAX SIZE_T_MAX 329 #endif 330 331 #ifndef INT32_MAX 332 # if (SIZEOF_INT == 4) 333 # define INT32_MAX INT_MAX 334 # elif (SIZEOF_LONG == 4) 335 # define INT32_MAX LONG_MAX 336 # else 337 # error "need INT32_MAX" 338 # endif 339 #endif 340 341 #ifndef INT64_MAX 342 # if (SIZEOF_INT == 8) 343 # define INT64_MAX INT_MAX 344 # elif (SIZEOF_LONG == 8) 345 # define INT64_MAX LONG_MAX 346 # elif (SIZEOF_LONG_LONG_INT == 8) 347 # define INT64_MAX LLONG_MAX 348 # else 349 # error "need INT64_MAX" 350 # endif 351 #endif 352 353 #ifndef HAVE_SSIZE_T 354 typedef int ssize_t; 355 # define HAVE_SSIZE_T 356 #endif /* HAVE_SSIZE_T */ 357 358 #ifndef HAVE_CLOCK_T 359 typedef long clock_t; 360 # define HAVE_CLOCK_T 361 #endif /* HAVE_CLOCK_T */ 362 363 #ifndef HAVE_SA_FAMILY_T 364 typedef int sa_family_t; 365 # define HAVE_SA_FAMILY_T 366 #endif /* HAVE_SA_FAMILY_T */ 367 368 #ifndef HAVE_PID_T 369 typedef int pid_t; 370 # define HAVE_PID_T 371 #endif /* HAVE_PID_T */ 372 373 #ifndef HAVE_SIG_ATOMIC_T 374 typedef int sig_atomic_t; 375 # define HAVE_SIG_ATOMIC_T 376 #endif /* HAVE_SIG_ATOMIC_T */ 377 378 #ifndef HAVE_MODE_T 379 typedef int mode_t; 380 # define HAVE_MODE_T 381 #endif /* HAVE_MODE_T */ 382 383 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS) 384 # define ss_family __ss_family 385 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */ 386 387 #ifndef HAVE_SYS_UN_H 388 struct sockaddr_un { 389 short sun_family; /* AF_UNIX */ 390 char sun_path[108]; /* path name (gag) */ 391 }; 392 #endif /* HAVE_SYS_UN_H */ 393 394 #ifndef HAVE_IN_ADDR_T 395 typedef u_int32_t in_addr_t; 396 #endif 397 #ifndef HAVE_IN_PORT_T 398 typedef u_int16_t in_port_t; 399 #endif 400 401 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE) 402 #define _STRUCT_WINSIZE 403 struct winsize { 404 unsigned short ws_row; /* rows, in characters */ 405 unsigned short ws_col; /* columns, in character */ 406 unsigned short ws_xpixel; /* horizontal size, pixels */ 407 unsigned short ws_ypixel; /* vertical size, pixels */ 408 }; 409 #endif 410 411 /* bits needed for select that may not be in the system headers */ 412 #ifndef HAVE_FD_MASK 413 typedef unsigned long int fd_mask; 414 #endif 415 416 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0 417 # define NFDBITS (8 * sizeof(unsigned long)) 418 #endif 419 420 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0 421 # define howmany(x,y) (((x)+((y)-1))/(y)) 422 #endif 423 424 /* Paths */ 425 426 #ifndef _PATH_BSHELL 427 # define _PATH_BSHELL "/bin/sh" 428 #endif 429 430 #ifdef USER_PATH 431 # ifdef _PATH_STDPATH 432 # undef _PATH_STDPATH 433 # endif 434 # define _PATH_STDPATH USER_PATH 435 #endif 436 437 #ifndef _PATH_STDPATH 438 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" 439 #endif 440 441 #ifndef SUPERUSER_PATH 442 # define SUPERUSER_PATH _PATH_STDPATH 443 #endif 444 445 #ifndef _PATH_DEVNULL 446 # define _PATH_DEVNULL "/dev/null" 447 #endif 448 449 /* user may have set a different path */ 450 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) 451 # undef _PATH_MAILDIR 452 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */ 453 454 #ifdef MAIL_DIRECTORY 455 # define _PATH_MAILDIR MAIL_DIRECTORY 456 #endif 457 458 #ifndef _PATH_NOLOGIN 459 # define _PATH_NOLOGIN "/etc/nologin" 460 #endif 461 462 /* Define this to be the path of the xauth program. */ 463 #ifdef XAUTH_PATH 464 #define _PATH_XAUTH XAUTH_PATH 465 #endif /* XAUTH_PATH */ 466 467 /* derived from XF4/xc/lib/dps/Xlibnet.h */ 468 #ifndef X_UNIX_PATH 469 # ifdef __hpux 470 # define X_UNIX_PATH "/var/spool/sockets/X11/%u" 471 # else 472 # define X_UNIX_PATH "/tmp/.X11-unix/X%u" 473 # endif 474 #endif /* X_UNIX_PATH */ 475 #define _PATH_UNIX_X X_UNIX_PATH 476 477 #ifndef _PATH_TTY 478 # define _PATH_TTY "/dev/tty" 479 #endif 480 481 /* Macros */ 482 483 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H) 484 # define HAVE_LOGIN_CAP 485 #endif 486 487 #ifndef MAX 488 # define MAX(a,b) (((a)>(b))?(a):(b)) 489 # define MIN(a,b) (((a)<(b))?(a):(b)) 490 #endif 491 492 #ifndef roundup 493 # define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 494 #endif 495 496 #ifndef timersub 497 #define timersub(a, b, result) \ 498 do { \ 499 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ 500 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ 501 if ((result)->tv_usec < 0) { \ 502 --(result)->tv_sec; \ 503 (result)->tv_usec += 1000000; \ 504 } \ 505 } while (0) 506 #endif 507 508 #ifndef TIMEVAL_TO_TIMESPEC 509 #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ 510 (ts)->tv_sec = (tv)->tv_sec; \ 511 (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 512 } 513 #endif 514 515 #ifndef TIMESPEC_TO_TIMEVAL 516 #define TIMESPEC_TO_TIMEVAL(tv, ts) { \ 517 (tv)->tv_sec = (ts)->tv_sec; \ 518 (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 519 } 520 #endif 521 522 #ifndef timespeccmp 523 #define timespeccmp(tsp, usp, cmp) \ 524 (((tsp)->tv_sec == (usp)->tv_sec) ? \ 525 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ 526 ((tsp)->tv_sec cmp (usp)->tv_sec)) 527 #endif 528 529 #ifndef __P 530 # define __P(x) x 531 #endif 532 533 #if !defined(IN6_IS_ADDR_V4MAPPED) 534 # define IN6_IS_ADDR_V4MAPPED(a) \ 535 ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \ 536 (((u_int32_t *) (a))[2] == htonl (0xffff))) 537 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */ 538 539 #if !defined(__GNUC__) || (__GNUC__ < 2) 540 # define __attribute__(x) 541 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ 542 543 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__) 544 # define __sentinel__ 545 #endif 546 547 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__) 548 # define __bounded__(x, y, z) 549 #endif 550 551 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__) 552 # define __nonnull__(x) 553 #endif 554 555 #ifndef OSSH_ALIGNBYTES 556 #define OSSH_ALIGNBYTES (sizeof(int) - 1) 557 #endif 558 #ifndef __CMSG_ALIGN 559 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES) 560 #endif 561 562 /* Length of the contents of a control message of length len */ 563 #ifndef CMSG_LEN 564 #define CMSG_LEN(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 565 #endif 566 567 /* Length of the space taken up by a padded control message of length len */ 568 #ifndef CMSG_SPACE 569 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len)) 570 #endif 571 572 /* given pointer to struct cmsghdr, return pointer to data */ 573 #ifndef CMSG_DATA 574 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr))) 575 #endif /* CMSG_DATA */ 576 577 /* 578 * RFC 2292 requires to check msg_controllen, in case that the kernel returns 579 * an empty list for some reasons. 580 */ 581 #ifndef CMSG_FIRSTHDR 582 #define CMSG_FIRSTHDR(mhdr) \ 583 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ 584 (struct cmsghdr *)(mhdr)->msg_control : \ 585 (struct cmsghdr *)NULL) 586 #endif /* CMSG_FIRSTHDR */ 587 588 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0 589 # define offsetof(type, member) ((size_t) &((type *)0)->member) 590 #endif 591 592 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */ 593 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */ 594 #ifndef BYTE_ORDER 595 # ifndef LITTLE_ENDIAN 596 # define LITTLE_ENDIAN 1234 597 # endif /* LITTLE_ENDIAN */ 598 # ifndef BIG_ENDIAN 599 # define BIG_ENDIAN 4321 600 # endif /* BIG_ENDIAN */ 601 # ifdef WORDS_BIGENDIAN 602 # define BYTE_ORDER BIG_ENDIAN 603 # else /* WORDS_BIGENDIAN */ 604 # define BYTE_ORDER LITTLE_ENDIAN 605 # endif /* WORDS_BIGENDIAN */ 606 #endif /* BYTE_ORDER */ 607 608 /* Function replacement / compatibility hacks */ 609 610 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO)) 611 # define HAVE_GETADDRINFO 612 #endif 613 614 #ifndef HAVE_GETOPT_OPTRESET 615 # undef getopt 616 # undef opterr 617 # undef optind 618 # undef optopt 619 # undef optreset 620 # undef optarg 621 # define getopt(ac, av, o) BSDgetopt(ac, av, o) 622 # define opterr BSDopterr 623 # define optind BSDoptind 624 # define optopt BSDoptopt 625 # define optreset BSDoptreset 626 # define optarg BSDoptarg 627 #endif 628 629 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO) 630 # undef HAVE_GETADDRINFO 631 #endif 632 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO) 633 # undef HAVE_FREEADDRINFO 634 #endif 635 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR) 636 # undef HAVE_GAI_STRERROR 637 #endif 638 639 #if defined(HAVE_GETADDRINFO) 640 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0 641 # define AI_NUMERICSERV 0 642 # endif 643 #endif 644 645 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX) 646 # undef HAVE_UPDWTMPX 647 #endif 648 649 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE) 650 # undef HAS_SHADOW_EXPIRE 651 #endif 652 653 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \ 654 defined(SYSLOG_R_SAFE_IN_SIGHAND) 655 # define DO_LOG_SAFE_IN_SIGHAND 656 #endif 657 658 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) 659 # define memmove(s1, s2, n) bcopy((s2), (s1), (n)) 660 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */ 661 662 #ifndef GETPGRP_VOID 663 # include <unistd.h> 664 # define getpgrp() getpgrp(0) 665 #endif 666 667 #ifdef USE_BSM_AUDIT 668 # define SSH_AUDIT_EVENTS 669 # define CUSTOM_SSH_AUDIT_EVENTS 670 #endif 671 672 #ifdef USE_LINUX_AUDIT 673 # define SSH_AUDIT_EVENTS 674 # define CUSTOM_SSH_AUDIT_EVENTS 675 #endif 676 677 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__) 678 # define __func__ __FUNCTION__ 679 #elif !defined(HAVE___func__) 680 # define __func__ "" 681 #endif 682 683 #if defined(KRB5) && !defined(HEIMDAL) 684 # define krb5_get_err_text(context,code) error_message(code) 685 #endif 686 687 #if defined(SKEYCHALLENGE_4ARG) 688 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c,d) 689 #else 690 # define _compat_skeychallenge(a,b,c,d) skeychallenge(a,b,c) 691 #endif 692 693 /* Maximum number of file descriptors available */ 694 #ifdef HAVE_SYSCONF 695 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX) 696 #else 697 # define SSH_SYSFDMAX 10000 698 #endif 699 700 #ifdef FSID_HAS_VAL 701 /* encode f_fsid into a 64 bit value */ 702 #define FSID_TO_ULONG(f) \ 703 ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \ 704 ((f).val[1] & 0xffffffffUL)) 705 #elif defined(FSID_HAS___VAL) 706 #define FSID_TO_ULONG(f) \ 707 ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \ 708 ((f).__val[1] & 0xffffffffUL)) 709 #else 710 # define FSID_TO_ULONG(f) ((f)) 711 #endif 712 713 #if defined(__Lynx__) 714 /* 715 * LynxOS defines these in param.h which we do not want to include since 716 * it will also pull in a bunch of kernel definitions. 717 */ 718 # define ALIGNBYTES (sizeof(int) - 1) 719 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES) 720 /* Missing prototypes on LynxOS */ 721 int snprintf (char *, size_t, const char *, ...); 722 int mkstemp (char *); 723 char *crypt (const char *, const char *); 724 int seteuid (uid_t); 725 int setegid (gid_t); 726 char *mkdtemp (char *); 727 int rresvport_af (int *, sa_family_t); 728 int innetgr (const char *, const char *, const char *, const char *); 729 #endif 730 731 /* 732 * Define this to use pipes instead of socketpairs for communicating with the 733 * client program. Socketpairs do not seem to work on all systems. 734 * 735 * configure.ac sets this for a few OS's which are known to have problems 736 * but you may need to set it yourself 737 */ 738 /* #define USE_PIPES 1 */ 739 740 /** 741 ** login recorder definitions 742 **/ 743 744 /* FIXME: put default paths back in */ 745 #ifndef UTMP_FILE 746 # ifdef _PATH_UTMP 747 # define UTMP_FILE _PATH_UTMP 748 # else 749 # ifdef CONF_UTMP_FILE 750 # define UTMP_FILE CONF_UTMP_FILE 751 # endif 752 # endif 753 #endif 754 #ifndef WTMP_FILE 755 # ifdef _PATH_WTMP 756 # define WTMP_FILE _PATH_WTMP 757 # else 758 # ifdef CONF_WTMP_FILE 759 # define WTMP_FILE CONF_WTMP_FILE 760 # endif 761 # endif 762 #endif 763 /* pick up the user's location for lastlog if given */ 764 #ifndef LASTLOG_FILE 765 # ifdef _PATH_LASTLOG 766 # define LASTLOG_FILE _PATH_LASTLOG 767 # else 768 # ifdef CONF_LASTLOG_FILE 769 # define LASTLOG_FILE CONF_LASTLOG_FILE 770 # endif 771 # endif 772 #endif 773 774 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) 775 # define USE_SHADOW 776 #endif 777 778 /* The login() library function in libutil is first choice */ 779 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN) 780 # define USE_LOGIN 781 782 #else 783 /* Simply select your favourite login types. */ 784 /* Can't do if-else because some systems use several... <sigh> */ 785 # if !defined(DISABLE_UTMPX) 786 # define USE_UTMPX 787 # endif 788 # if defined(UTMP_FILE) && !defined(DISABLE_UTMP) 789 # define USE_UTMP 790 # endif 791 # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX) 792 # define USE_WTMPX 793 # endif 794 # if defined(WTMP_FILE) && !defined(DISABLE_WTMP) 795 # define USE_WTMP 796 # endif 797 798 #endif 799 800 #ifndef UT_LINESIZE 801 # define UT_LINESIZE 8 802 #endif 803 804 /* I hope that the presence of LASTLOG_FILE is enough to detect this */ 805 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG) 806 # define USE_LASTLOG 807 #endif 808 809 #ifdef HAVE_OSF_SIA 810 # ifdef USE_SHADOW 811 # undef USE_SHADOW 812 # endif 813 # define CUSTOM_SYS_AUTH_PASSWD 1 814 #endif 815 816 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE) 817 # define CUSTOM_SYS_AUTH_PASSWD 1 818 #endif 819 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF) 820 # define USE_LIBIAF 821 #endif 822 823 /* HP-UX 11.11 */ 824 #ifdef BTMP_FILE 825 # define _PATH_BTMP BTMP_FILE 826 #endif 827 828 #if defined(USE_BTMP) && defined(_PATH_BTMP) 829 # define CUSTOM_FAILED_LOGIN 830 #endif 831 832 /** end of login recorder definitions */ 833 834 #ifdef BROKEN_GETGROUPS 835 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b))) 836 #endif 837 838 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP) 839 # undef HAVE_MMAP 840 #endif 841 842 #ifndef IOV_MAX 843 # if defined(_XOPEN_IOV_MAX) 844 # define IOV_MAX _XOPEN_IOV_MAX 845 # elif defined(DEF_IOV_MAX) 846 # define IOV_MAX DEF_IOV_MAX 847 # else 848 # define IOV_MAX 16 849 # endif 850 #endif 851 852 #ifndef EWOULDBLOCK 853 # define EWOULDBLOCK EAGAIN 854 #endif 855 856 #ifndef INET6_ADDRSTRLEN /* for non IPv6 machines */ 857 #define INET6_ADDRSTRLEN 46 858 #endif 859 860 #ifndef SSH_IOBUFSZ 861 # define SSH_IOBUFSZ 8192 862 #endif 863 864 /* 865 * We want functions in openbsd-compat, if enabled, to override system ones. 866 * We no-op out the weak symbol definition rather than remove it to reduce 867 * future sync problems. 868 */ 869 #define DEF_WEAK(x) 870 871 /* 872 * Platforms that have arc4random_uniform() and not arc4random_stir() 873 * shouldn't need the latter. 874 */ 875 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \ 876 !defined(HAVE_ARC4RANDOM_STIR) 877 # define arc4random_stir() 878 #endif 879 880 #ifndef HAVE_VA_COPY 881 # ifdef HAVE___VA_COPY 882 # define va_copy(dest, src) __va_copy(dest, src) 883 # else 884 # define va_copy(dest, src) (dest) = (src) 885 # endif 886 #endif 887 888 #ifndef __predict_true 889 # if defined(__GNUC__) && \ 890 ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96))) 891 # define __predict_true(exp) __builtin_expect(((exp) != 0), 1) 892 # define __predict_false(exp) __builtin_expect(((exp) != 0), 0) 893 # else 894 # define __predict_true(exp) ((exp) != 0) 895 # define __predict_false(exp) ((exp) != 0) 896 # endif /* gcc version */ 897 #endif /* __predict_true */ 898 899 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \ 900 defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \ 901 defined(HAVE_DECL_GLOB_NOMATCH) && HAVE_DECL_GLOB_NOMATCH != 0 && \ 902 !defined(BROKEN_GLOB) 903 # define USE_SYSTEM_GLOB 904 #endif 905 906 #endif /* _DEFINES_H */ 907