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 #ifndef IPTOS_DSCP_LE 100 # define IPTOS_DSCP_LE 0x01 101 #endif /* IPTOS_DSCP_LE */ 102 #ifndef IPTOS_PREC_CRITIC_ECP 103 # define IPTOS_PREC_CRITIC_ECP 0xa0 104 #endif 105 #ifndef IPTOS_PREC_INTERNETCONTROL 106 # define IPTOS_PREC_INTERNETCONTROL 0xc0 107 #endif 108 #ifndef IPTOS_PREC_NETCONTROL 109 # define IPTOS_PREC_NETCONTROL 0xe0 110 #endif 111 112 #ifndef PATH_MAX 113 # ifdef _POSIX_PATH_MAX 114 # define PATH_MAX _POSIX_PATH_MAX 115 # endif 116 #endif 117 118 #ifndef MAXPATHLEN 119 # ifdef PATH_MAX 120 # define MAXPATHLEN PATH_MAX 121 # else /* PATH_MAX */ 122 # define MAXPATHLEN 64 123 # endif /* PATH_MAX */ 124 #endif /* MAXPATHLEN */ 125 126 #ifndef HOST_NAME_MAX 127 # include "netdb.h" /* for MAXHOSTNAMELEN */ 128 # if defined(_POSIX_HOST_NAME_MAX) 129 # define HOST_NAME_MAX _POSIX_HOST_NAME_MAX 130 # elif defined(MAXHOSTNAMELEN) 131 # define HOST_NAME_MAX MAXHOSTNAMELEN 132 # else 133 # define HOST_NAME_MAX 255 134 # endif 135 #endif /* HOST_NAME_MAX */ 136 137 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0 138 # define MAXSYMLINKS 5 139 #endif 140 141 #ifndef STDIN_FILENO 142 # define STDIN_FILENO 0 143 #endif 144 #ifndef STDOUT_FILENO 145 # define STDOUT_FILENO 1 146 #endif 147 #ifndef STDERR_FILENO 148 # define STDERR_FILENO 2 149 #endif 150 151 #ifndef NGROUPS_MAX /* Disable groupaccess if NGROUP_MAX is not set */ 152 #ifdef NGROUPS 153 #define NGROUPS_MAX NGROUPS 154 #else 155 #define NGROUPS_MAX 0 156 #endif 157 #endif 158 159 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0 160 # define O_NONBLOCK 00004 /* Non Blocking Open */ 161 #endif 162 163 #ifndef S_IFSOCK 164 # define S_IFSOCK 0 165 #endif /* S_IFSOCK */ 166 167 #ifndef S_ISDIR 168 # define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) 169 #endif /* S_ISDIR */ 170 171 #ifndef S_ISREG 172 # define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) 173 #endif /* S_ISREG */ 174 175 #ifndef S_ISLNK 176 # define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) 177 #endif /* S_ISLNK */ 178 179 #ifndef S_IXUSR 180 # define S_IXUSR 0000100 /* execute/search permission, */ 181 # define S_IXGRP 0000010 /* execute/search permission, */ 182 # define S_IXOTH 0000001 /* execute/search permission, */ 183 # define _S_IWUSR 0000200 /* write permission, */ 184 # define S_IWUSR _S_IWUSR /* write permission, owner */ 185 # define S_IWGRP 0000020 /* write permission, group */ 186 # define S_IWOTH 0000002 /* write permission, other */ 187 # define S_IRUSR 0000400 /* read permission, owner */ 188 # define S_IRGRP 0000040 /* read permission, group */ 189 # define S_IROTH 0000004 /* read permission, other */ 190 # define S_IRWXU 0000700 /* read, write, execute */ 191 # define S_IRWXG 0000070 /* read, write, execute */ 192 # define S_IRWXO 0000007 /* read, write, execute */ 193 #endif /* S_IXUSR */ 194 195 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS) 196 #define MAP_ANON MAP_ANONYMOUS 197 #endif 198 199 #ifndef MAP_FAILED 200 # define MAP_FAILED ((void *)-1) 201 #endif 202 203 /* 204 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but 205 including rpc/rpc.h breaks Solaris 6 206 */ 207 #ifndef INADDR_LOOPBACK 208 #define INADDR_LOOPBACK ((u_long)0x7f000001) 209 #endif 210 211 /* Types */ 212 213 /* If sys/types.h does not supply intXX_t, supply them ourselves */ 214 /* (or die trying) */ 215 216 #ifndef HAVE_U_INT 217 typedef unsigned int u_int; 218 #endif 219 220 #ifndef HAVE_INTXX_T 221 typedef signed char int8_t; 222 # if (SIZEOF_SHORT_INT == 2) 223 typedef short int int16_t; 224 # else 225 # error "16 bit int type not found." 226 # endif 227 # if (SIZEOF_INT == 4) 228 typedef int int32_t; 229 # else 230 # error "32 bit int type not found." 231 # endif 232 #endif 233 234 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */ 235 #ifndef HAVE_U_INTXX_T 236 # ifdef HAVE_UINTXX_T 237 typedef uint8_t u_int8_t; 238 typedef uint16_t u_int16_t; 239 typedef uint32_t u_int32_t; 240 # define HAVE_U_INTXX_T 1 241 # else 242 typedef unsigned char u_int8_t; 243 # if (SIZEOF_SHORT_INT == 2) 244 typedef unsigned short int u_int16_t; 245 # else 246 # error "16 bit int type not found." 247 # endif 248 # if (SIZEOF_INT == 4) 249 typedef unsigned int u_int32_t; 250 # else 251 # error "32 bit int type not found." 252 # endif 253 # endif 254 #define __BIT_TYPES_DEFINED__ 255 #endif 256 257 #if !defined(LLONG_MIN) && defined(LONG_LONG_MIN) 258 #define LLONG_MIN LONG_LONG_MIN 259 #endif 260 #if !defined(LLONG_MAX) && defined(LONG_LONG_MAX) 261 #define LLONG_MAX LONG_LONG_MAX 262 #endif 263 264 #ifndef UINT32_MAX 265 # if defined(HAVE_DECL_UINT32_MAX) && (HAVE_DECL_UINT32_MAX == 0) 266 # if (SIZEOF_INT == 4) 267 # define UINT32_MAX UINT_MAX 268 # endif 269 # endif 270 #endif 271 272 /* 64-bit types */ 273 #ifndef HAVE_INT64_T 274 # if (SIZEOF_LONG_INT == 8) 275 typedef long int int64_t; 276 # else 277 # if (SIZEOF_LONG_LONG_INT == 8) 278 typedef long long int int64_t; 279 # endif 280 # endif 281 #endif 282 #ifndef HAVE_U_INT64_T 283 # if (SIZEOF_LONG_INT == 8) 284 typedef unsigned long int u_int64_t; 285 # else 286 # if (SIZEOF_LONG_LONG_INT == 8) 287 typedef unsigned long long int u_int64_t; 288 # endif 289 # endif 290 #endif 291 292 #ifndef HAVE_UINTXX_T 293 typedef u_int8_t uint8_t; 294 typedef u_int16_t uint16_t; 295 typedef u_int32_t uint32_t; 296 typedef u_int64_t uint64_t; 297 #endif 298 299 #ifndef HAVE_INTMAX_T 300 typedef long long intmax_t; 301 #endif 302 303 #ifndef HAVE_UINTMAX_T 304 typedef unsigned long long uintmax_t; 305 #endif 306 307 #ifndef HAVE_U_CHAR 308 typedef unsigned char u_char; 309 # define HAVE_U_CHAR 310 #endif /* HAVE_U_CHAR */ 311 312 #ifndef ULLONG_MAX 313 # define ULLONG_MAX ((unsigned long long)-1) 314 #endif 315 316 #ifndef SIZE_T_MAX 317 #define SIZE_T_MAX ULONG_MAX 318 #endif /* SIZE_T_MAX */ 319 320 #ifndef HAVE_SIZE_T 321 typedef unsigned int size_t; 322 # define HAVE_SIZE_T 323 # define SIZE_T_MAX UINT_MAX 324 #endif /* HAVE_SIZE_T */ 325 326 #ifndef SIZE_MAX 327 #define SIZE_MAX SIZE_T_MAX 328 #endif 329 330 #ifndef INT32_MAX 331 # if (SIZEOF_INT == 4) 332 # define INT32_MAX INT_MAX 333 # elif (SIZEOF_LONG == 4) 334 # define INT32_MAX LONG_MAX 335 # else 336 # error "need INT32_MAX" 337 # endif 338 #endif 339 340 #ifndef INT64_MAX 341 # if (SIZEOF_INT == 8) 342 # define INT64_MAX INT_MAX 343 # elif (SIZEOF_LONG == 8) 344 # define INT64_MAX LONG_MAX 345 # elif (SIZEOF_LONG_LONG_INT == 8) 346 # define INT64_MAX LLONG_MAX 347 # else 348 # error "need INT64_MAX" 349 # endif 350 #endif 351 352 #ifndef HAVE_SSIZE_T 353 typedef int ssize_t; 354 #define SSIZE_MAX INT_MAX 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 /* Maximum number of file descriptors available */ 688 #ifdef HAVE_SYSCONF 689 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX) 690 #else 691 # define SSH_SYSFDMAX 10000 692 #endif 693 694 #ifdef FSID_HAS_VAL 695 /* encode f_fsid into a 64 bit value */ 696 #define FSID_TO_ULONG(f) \ 697 ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \ 698 ((f).val[1] & 0xffffffffUL)) 699 #elif defined(FSID_HAS___VAL) 700 #define FSID_TO_ULONG(f) \ 701 ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \ 702 ((f).__val[1] & 0xffffffffUL)) 703 #else 704 # define FSID_TO_ULONG(f) ((f)) 705 #endif 706 707 #if defined(__Lynx__) 708 /* 709 * LynxOS defines these in param.h which we do not want to include since 710 * it will also pull in a bunch of kernel definitions. 711 */ 712 # define ALIGNBYTES (sizeof(int) - 1) 713 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES) 714 /* Missing prototypes on LynxOS */ 715 int snprintf (char *, size_t, const char *, ...); 716 int mkstemp (char *); 717 char *crypt (const char *, const char *); 718 int seteuid (uid_t); 719 int setegid (gid_t); 720 char *mkdtemp (char *); 721 int rresvport_af (int *, sa_family_t); 722 int innetgr (const char *, const char *, const char *, const char *); 723 #endif 724 725 /* 726 * Define this to use pipes instead of socketpairs for communicating with the 727 * client program. Socketpairs do not seem to work on all systems. 728 * 729 * configure.ac sets this for a few OS's which are known to have problems 730 * but you may need to set it yourself 731 */ 732 /* #define USE_PIPES 1 */ 733 734 /** 735 ** login recorder definitions 736 **/ 737 738 /* FIXME: put default paths back in */ 739 #ifndef UTMP_FILE 740 # ifdef _PATH_UTMP 741 # define UTMP_FILE _PATH_UTMP 742 # else 743 # ifdef CONF_UTMP_FILE 744 # define UTMP_FILE CONF_UTMP_FILE 745 # endif 746 # endif 747 #endif 748 #ifndef WTMP_FILE 749 # ifdef _PATH_WTMP 750 # define WTMP_FILE _PATH_WTMP 751 # else 752 # ifdef CONF_WTMP_FILE 753 # define WTMP_FILE CONF_WTMP_FILE 754 # endif 755 # endif 756 #endif 757 /* pick up the user's location for lastlog if given */ 758 #ifndef LASTLOG_FILE 759 # ifdef _PATH_LASTLOG 760 # define LASTLOG_FILE _PATH_LASTLOG 761 # else 762 # ifdef CONF_LASTLOG_FILE 763 # define LASTLOG_FILE CONF_LASTLOG_FILE 764 # endif 765 # endif 766 #endif 767 768 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) 769 # define USE_SHADOW 770 #endif 771 772 /* The login() library function in libutil is first choice */ 773 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN) 774 # define USE_LOGIN 775 776 #else 777 /* Simply select your favourite login types. */ 778 /* Can't do if-else because some systems use several... <sigh> */ 779 # if !defined(DISABLE_UTMPX) 780 # define USE_UTMPX 781 # endif 782 # if defined(UTMP_FILE) && !defined(DISABLE_UTMP) 783 # define USE_UTMP 784 # endif 785 # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX) 786 # define USE_WTMPX 787 # endif 788 # if defined(WTMP_FILE) && !defined(DISABLE_WTMP) 789 # define USE_WTMP 790 # endif 791 792 #endif 793 794 #ifndef UT_LINESIZE 795 # define UT_LINESIZE 8 796 #endif 797 798 /* I hope that the presence of LASTLOG_FILE is enough to detect this */ 799 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG) 800 # define USE_LASTLOG 801 #endif 802 803 #ifdef HAVE_OSF_SIA 804 # ifdef USE_SHADOW 805 # undef USE_SHADOW 806 # endif 807 # define CUSTOM_SYS_AUTH_PASSWD 1 808 #endif 809 810 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE) 811 # define CUSTOM_SYS_AUTH_PASSWD 1 812 #endif 813 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF) 814 # define USE_LIBIAF 815 #endif 816 817 /* HP-UX 11.11 */ 818 #ifdef BTMP_FILE 819 # define _PATH_BTMP BTMP_FILE 820 #endif 821 822 #if defined(USE_BTMP) && defined(_PATH_BTMP) 823 # define CUSTOM_FAILED_LOGIN 824 #endif 825 826 /** end of login recorder definitions */ 827 828 #ifdef BROKEN_GETGROUPS 829 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b))) 830 #endif 831 832 #if defined(HAVE_MMAP) && defined(BROKEN_MMAP) 833 # undef HAVE_MMAP 834 #endif 835 836 #ifndef IOV_MAX 837 # if defined(_XOPEN_IOV_MAX) 838 # define IOV_MAX _XOPEN_IOV_MAX 839 # elif defined(DEF_IOV_MAX) 840 # define IOV_MAX DEF_IOV_MAX 841 # else 842 # define IOV_MAX 16 843 # endif 844 #endif 845 846 #ifndef EWOULDBLOCK 847 # define EWOULDBLOCK EAGAIN 848 #endif 849 850 #ifndef INET6_ADDRSTRLEN /* for non IPv6 machines */ 851 #define INET6_ADDRSTRLEN 46 852 #endif 853 854 #ifndef SSH_IOBUFSZ 855 # define SSH_IOBUFSZ 8192 856 #endif 857 858 /* 859 * We want functions in openbsd-compat, if enabled, to override system ones. 860 * We no-op out the weak symbol definition rather than remove it to reduce 861 * future sync problems. Some compilers (eg Unixware) do not allow an 862 * empty statement, so we use a bogus function declaration. 863 */ 864 #define DEF_WEAK(x) void __ssh_compat_weak_##x(void) 865 866 /* 867 * Platforms that have arc4random_uniform() and not arc4random_stir() 868 * shouldn't need the latter. 869 */ 870 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \ 871 !defined(HAVE_ARC4RANDOM_STIR) 872 # define arc4random_stir() 873 #endif 874 875 #ifndef HAVE_VA_COPY 876 # ifdef HAVE___VA_COPY 877 # define va_copy(dest, src) __va_copy(dest, src) 878 # else 879 # define va_copy(dest, src) (dest) = (src) 880 # endif 881 #endif 882 883 #ifndef __predict_true 884 # if defined(__GNUC__) && \ 885 ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96))) 886 # define __predict_true(exp) __builtin_expect(((exp) != 0), 1) 887 # define __predict_false(exp) __builtin_expect(((exp) != 0), 0) 888 # else 889 # define __predict_true(exp) ((exp) != 0) 890 # define __predict_false(exp) ((exp) != 0) 891 # endif /* gcc version */ 892 #endif /* __predict_true */ 893 894 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \ 895 defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \ 896 defined(HAVE_DECL_GLOB_NOMATCH) && HAVE_DECL_GLOB_NOMATCH != 0 && \ 897 !defined(BROKEN_GLOB) 898 # define USE_SYSTEM_GLOB 899 #endif 900 901 #endif /* _DEFINES_H */ 902