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 RFCs 2474, 3246, 4594 & 8622. 70 * These are the 6 most significant bits as they appear on the wire, so the 71 * two least significant bits must be zero. 72 */ 73 #ifndef IPTOS_DSCP_AF11 74 # define IPTOS_DSCP_AF11 0x28 75 # define IPTOS_DSCP_AF12 0x30 76 # define IPTOS_DSCP_AF13 0x38 77 # define IPTOS_DSCP_AF21 0x48 78 # define IPTOS_DSCP_AF22 0x50 79 # define IPTOS_DSCP_AF23 0x58 80 # define IPTOS_DSCP_AF31 0x68 81 # define IPTOS_DSCP_AF32 0x70 82 # define IPTOS_DSCP_AF33 0x78 83 # define IPTOS_DSCP_AF41 0x88 84 # define IPTOS_DSCP_AF42 0x90 85 # define IPTOS_DSCP_AF43 0x98 86 # define IPTOS_DSCP_EF 0xb8 87 #endif /* IPTOS_DSCP_AF11 */ 88 #ifndef IPTOS_DSCP_CS0 89 # define IPTOS_DSCP_CS0 0x00 90 # define IPTOS_DSCP_CS1 0x20 91 # define IPTOS_DSCP_CS2 0x40 92 # define IPTOS_DSCP_CS3 0x60 93 # define IPTOS_DSCP_CS4 0x80 94 # define IPTOS_DSCP_CS5 0xa0 95 # define IPTOS_DSCP_CS6 0xc0 96 # define IPTOS_DSCP_CS7 0xe0 97 #endif /* IPTOS_DSCP_CS0 */ 98 #ifndef IPTOS_DSCP_EF 99 # define IPTOS_DSCP_EF 0xb8 100 #endif /* IPTOS_DSCP_EF */ 101 #ifndef IPTOS_DSCP_LE 102 # define IPTOS_DSCP_LE 0x04 103 #endif /* IPTOS_DSCP_LE */ 104 #ifndef IPTOS_PREC_CRITIC_ECP 105 # define IPTOS_PREC_CRITIC_ECP 0xa0 106 #endif 107 #ifndef IPTOS_PREC_INTERNETCONTROL 108 # define IPTOS_PREC_INTERNETCONTROL 0xc0 109 #endif 110 #ifndef IPTOS_PREC_NETCONTROL 111 # define IPTOS_PREC_NETCONTROL 0xe0 112 #endif 113 114 #ifndef PATH_MAX 115 # ifdef _POSIX_PATH_MAX 116 # define PATH_MAX _POSIX_PATH_MAX 117 # endif 118 #endif 119 120 #ifndef MAXPATHLEN 121 # ifdef PATH_MAX 122 # define MAXPATHLEN PATH_MAX 123 # else /* PATH_MAX */ 124 # define MAXPATHLEN 64 125 # endif /* PATH_MAX */ 126 #endif /* MAXPATHLEN */ 127 128 #ifndef HOST_NAME_MAX 129 # include "netdb.h" /* for MAXHOSTNAMELEN */ 130 # if defined(_POSIX_HOST_NAME_MAX) 131 # define HOST_NAME_MAX _POSIX_HOST_NAME_MAX 132 # elif defined(MAXHOSTNAMELEN) 133 # define HOST_NAME_MAX MAXHOSTNAMELEN 134 # else 135 # define HOST_NAME_MAX 255 136 # endif 137 #endif /* HOST_NAME_MAX */ 138 139 #if defined(HAVE_DECL_MAXSYMLINKS) && HAVE_DECL_MAXSYMLINKS == 0 140 # define MAXSYMLINKS 5 141 #endif 142 143 #ifndef STDIN_FILENO 144 # define STDIN_FILENO 0 145 #endif 146 #ifndef STDOUT_FILENO 147 # define STDOUT_FILENO 1 148 #endif 149 #ifndef STDERR_FILENO 150 # define STDERR_FILENO 2 151 #endif 152 153 #ifndef NGROUPS_MAX /* Disable groupaccess if NGROUP_MAX is not set */ 154 #ifdef NGROUPS 155 #define NGROUPS_MAX NGROUPS 156 #else 157 #define NGROUPS_MAX 0 158 #endif 159 #endif 160 161 #if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0 162 # define O_NONBLOCK 00004 /* Non Blocking Open */ 163 #endif 164 165 #ifndef S_IFSOCK 166 # define S_IFSOCK 0 167 #endif /* S_IFSOCK */ 168 169 #ifndef S_ISDIR 170 # define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR)) 171 #endif /* S_ISDIR */ 172 173 #ifndef S_ISREG 174 # define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG)) 175 #endif /* S_ISREG */ 176 177 #ifndef S_ISLNK 178 # define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) 179 #endif /* S_ISLNK */ 180 181 #ifndef S_IXUSR 182 # define S_IXUSR 0000100 /* execute/search permission, */ 183 # define S_IXGRP 0000010 /* execute/search permission, */ 184 # define S_IXOTH 0000001 /* execute/search permission, */ 185 # define _S_IWUSR 0000200 /* write permission, */ 186 # define S_IWUSR _S_IWUSR /* write permission, owner */ 187 # define S_IWGRP 0000020 /* write permission, group */ 188 # define S_IWOTH 0000002 /* write permission, other */ 189 # define S_IRUSR 0000400 /* read permission, owner */ 190 # define S_IRGRP 0000040 /* read permission, group */ 191 # define S_IROTH 0000004 /* read permission, other */ 192 # define S_IRWXU 0000700 /* read, write, execute */ 193 # define S_IRWXG 0000070 /* read, write, execute */ 194 # define S_IRWXO 0000007 /* read, write, execute */ 195 #endif /* S_IXUSR */ 196 197 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS) 198 #define MAP_ANON MAP_ANONYMOUS 199 #endif 200 201 #ifndef MAP_FAILED 202 # define MAP_FAILED ((void *)-1) 203 #endif 204 205 /* 206 SCO Open Server 3 has INADDR_LOOPBACK defined in rpc/rpc.h but 207 including rpc/rpc.h breaks Solaris 6 208 */ 209 #ifndef INADDR_LOOPBACK 210 #define INADDR_LOOPBACK ((u_long)0x7f000001) 211 #endif 212 213 /* Types */ 214 215 /* If sys/types.h does not supply intXX_t, supply them ourselves */ 216 /* (or die trying) */ 217 218 #ifndef HAVE_U_INT 219 typedef unsigned int u_int; 220 #endif 221 222 #ifndef HAVE_INTXX_T 223 typedef signed char int8_t; 224 # if (SIZEOF_SHORT_INT == 2) 225 typedef short int int16_t; 226 # else 227 # error "16 bit int type not found." 228 # endif 229 # if (SIZEOF_INT == 4) 230 typedef int int32_t; 231 # else 232 # error "32 bit int type not found." 233 # endif 234 #endif 235 236 /* If sys/types.h does not supply u_intXX_t, supply them ourselves */ 237 #ifndef HAVE_U_INTXX_T 238 # ifdef HAVE_UINTXX_T 239 typedef uint8_t u_int8_t; 240 typedef uint16_t u_int16_t; 241 typedef uint32_t u_int32_t; 242 # define HAVE_U_INTXX_T 1 243 # else 244 typedef unsigned char u_int8_t; 245 # if (SIZEOF_SHORT_INT == 2) 246 typedef unsigned short int u_int16_t; 247 # else 248 # error "16 bit int type not found." 249 # endif 250 # if (SIZEOF_INT == 4) 251 typedef unsigned int u_int32_t; 252 # else 253 # error "32 bit int type not found." 254 # endif 255 # endif 256 #define __BIT_TYPES_DEFINED__ 257 #endif 258 259 #if !defined(LLONG_MIN) && defined(LONG_LONG_MIN) 260 #define LLONG_MIN LONG_LONG_MIN 261 #endif 262 #if !defined(LLONG_MAX) && defined(LONG_LONG_MAX) 263 #define LLONG_MAX LONG_LONG_MAX 264 #endif 265 266 #ifndef UINT32_MAX 267 # if defined(HAVE_DECL_UINT32_MAX) && (HAVE_DECL_UINT32_MAX == 0) 268 # if (SIZEOF_INT == 4) 269 # define UINT32_MAX UINT_MAX 270 # endif 271 # endif 272 #endif 273 274 /* 64-bit types */ 275 #ifndef HAVE_INT64_T 276 # if (SIZEOF_LONG_INT == 8) 277 typedef long int int64_t; 278 # else 279 # if (SIZEOF_LONG_LONG_INT == 8) 280 typedef long long int int64_t; 281 # endif 282 # endif 283 #endif 284 #ifndef HAVE_U_INT64_T 285 # if (SIZEOF_LONG_INT == 8) 286 typedef unsigned long int u_int64_t; 287 # else 288 # if (SIZEOF_LONG_LONG_INT == 8) 289 typedef unsigned long long int u_int64_t; 290 # endif 291 # endif 292 #endif 293 294 #ifndef HAVE_UINTXX_T 295 typedef u_int8_t uint8_t; 296 typedef u_int16_t uint16_t; 297 typedef u_int32_t uint32_t; 298 typedef u_int64_t uint64_t; 299 #endif 300 301 #ifndef HAVE_INTMAX_T 302 typedef long long intmax_t; 303 #endif 304 305 #ifndef HAVE_UINTMAX_T 306 typedef unsigned long long uintmax_t; 307 #endif 308 309 #if SIZEOF_TIME_T == SIZEOF_LONG_LONG_INT 310 # define SSH_TIME_T_MAX LLONG_MAX 311 #else 312 # define SSH_TIME_T_MAX INT_MAX 313 #endif 314 315 #ifndef HAVE_U_CHAR 316 typedef unsigned char u_char; 317 # define HAVE_U_CHAR 318 #endif /* HAVE_U_CHAR */ 319 320 #ifndef ULLONG_MAX 321 # define ULLONG_MAX ((unsigned long long)-1) 322 #endif 323 324 #ifndef SIZE_T_MAX 325 #define SIZE_T_MAX ULONG_MAX 326 #endif /* SIZE_T_MAX */ 327 328 #ifndef HAVE_SIZE_T 329 typedef unsigned int size_t; 330 # define HAVE_SIZE_T 331 # define SIZE_T_MAX UINT_MAX 332 #endif /* HAVE_SIZE_T */ 333 334 #ifndef SIZE_MAX 335 #define SIZE_MAX SIZE_T_MAX 336 #endif 337 338 #ifndef INT32_MAX 339 # if (SIZEOF_INT == 4) 340 # define INT32_MAX INT_MAX 341 # elif (SIZEOF_LONG == 4) 342 # define INT32_MAX LONG_MAX 343 # else 344 # error "need INT32_MAX" 345 # endif 346 #endif 347 348 #ifndef INT64_MAX 349 # if (SIZEOF_INT == 8) 350 # define INT64_MAX INT_MAX 351 # elif (SIZEOF_LONG == 8) 352 # define INT64_MAX LONG_MAX 353 # elif (SIZEOF_LONG_LONG_INT == 8) 354 # define INT64_MAX LLONG_MAX 355 # else 356 # error "need INT64_MAX" 357 # endif 358 #endif 359 360 #ifndef HAVE_SSIZE_T 361 typedef int ssize_t; 362 #define SSIZE_MAX INT_MAX 363 # define HAVE_SSIZE_T 364 #endif /* HAVE_SSIZE_T */ 365 366 #ifndef HAVE_CLOCK_T 367 typedef long clock_t; 368 # define HAVE_CLOCK_T 369 #endif /* HAVE_CLOCK_T */ 370 371 #ifndef HAVE_SA_FAMILY_T 372 typedef int sa_family_t; 373 # define HAVE_SA_FAMILY_T 374 #endif /* HAVE_SA_FAMILY_T */ 375 376 #ifndef HAVE_PID_T 377 typedef int pid_t; 378 # define HAVE_PID_T 379 #endif /* HAVE_PID_T */ 380 381 #ifndef HAVE_SIG_ATOMIC_T 382 typedef int sig_atomic_t; 383 # define HAVE_SIG_ATOMIC_T 384 #endif /* HAVE_SIG_ATOMIC_T */ 385 386 #ifndef HAVE_MODE_T 387 typedef int mode_t; 388 # define HAVE_MODE_T 389 #endif /* HAVE_MODE_T */ 390 391 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS) 392 # define ss_family __ss_family 393 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */ 394 395 #ifndef HAVE_SYS_UN_H 396 struct sockaddr_un { 397 short sun_family; /* AF_UNIX */ 398 char sun_path[108]; /* path name (gag) */ 399 }; 400 #endif /* HAVE_SYS_UN_H */ 401 402 #ifndef HAVE_IN_ADDR_T 403 typedef u_int32_t in_addr_t; 404 #endif 405 #ifndef HAVE_IN_PORT_T 406 typedef u_int16_t in_port_t; 407 #endif 408 409 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE) 410 #define _STRUCT_WINSIZE 411 struct winsize { 412 unsigned short ws_row; /* rows, in characters */ 413 unsigned short ws_col; /* columns, in character */ 414 unsigned short ws_xpixel; /* horizontal size, pixels */ 415 unsigned short ws_ypixel; /* vertical size, pixels */ 416 }; 417 #endif 418 419 /* bits needed for select that may not be in the system headers */ 420 #ifndef HAVE_FD_MASK 421 typedef unsigned long int fd_mask; 422 #endif 423 424 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0 425 # define NFDBITS (8 * sizeof(unsigned long)) 426 #endif 427 428 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0 429 # define howmany(x,y) (((x)+((y)-1))/(y)) 430 #endif 431 432 /* Paths */ 433 434 #ifndef _PATH_BSHELL 435 # define _PATH_BSHELL "/bin/sh" 436 #endif 437 438 #ifdef USER_PATH 439 # ifdef _PATH_STDPATH 440 # undef _PATH_STDPATH 441 # endif 442 # define _PATH_STDPATH USER_PATH 443 #endif 444 445 #ifndef _PATH_STDPATH 446 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" 447 #endif 448 449 #ifndef SUPERUSER_PATH 450 # define SUPERUSER_PATH _PATH_STDPATH 451 #endif 452 453 #ifndef _PATH_DEVNULL 454 # define _PATH_DEVNULL "/dev/null" 455 #endif 456 457 /* user may have set a different path */ 458 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) 459 # undef _PATH_MAILDIR 460 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */ 461 462 #ifdef MAIL_DIRECTORY 463 # define _PATH_MAILDIR MAIL_DIRECTORY 464 #endif 465 466 #ifndef _PATH_NOLOGIN 467 # define _PATH_NOLOGIN "/etc/nologin" 468 #endif 469 470 /* Define this to be the path of the xauth program. */ 471 #ifdef XAUTH_PATH 472 #define _PATH_XAUTH XAUTH_PATH 473 #endif /* XAUTH_PATH */ 474 475 /* derived from XF4/xc/lib/dps/Xlibnet.h */ 476 #ifndef X_UNIX_PATH 477 # ifdef __hpux 478 # define X_UNIX_PATH "/var/spool/sockets/X11/%u" 479 # else 480 # define X_UNIX_PATH "/tmp/.X11-unix/X%u" 481 # endif 482 #endif /* X_UNIX_PATH */ 483 #define _PATH_UNIX_X X_UNIX_PATH 484 485 #ifndef _PATH_TTY 486 # define _PATH_TTY "/dev/tty" 487 #endif 488 489 /* Macros */ 490 491 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H) 492 # define HAVE_LOGIN_CAP 493 #endif 494 495 #ifndef MAX 496 # define MAX(a,b) (((a)>(b))?(a):(b)) 497 # define MIN(a,b) (((a)<(b))?(a):(b)) 498 #endif 499 500 #ifndef roundup 501 # define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 502 #endif 503 504 #ifndef timersub 505 #define timersub(a, b, result) \ 506 do { \ 507 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ 508 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ 509 if ((result)->tv_usec < 0) { \ 510 --(result)->tv_sec; \ 511 (result)->tv_usec += 1000000; \ 512 } \ 513 } while (0) 514 #endif 515 516 #ifndef TIMEVAL_TO_TIMESPEC 517 #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ 518 (ts)->tv_sec = (tv)->tv_sec; \ 519 (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 520 } 521 #endif 522 523 #ifndef TIMESPEC_TO_TIMEVAL 524 #define TIMESPEC_TO_TIMEVAL(tv, ts) { \ 525 (tv)->tv_sec = (ts)->tv_sec; \ 526 (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 527 } 528 #endif 529 530 #ifndef timespeccmp 531 #define timespeccmp(tsp, usp, cmp) \ 532 (((tsp)->tv_sec == (usp)->tv_sec) ? \ 533 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ 534 ((tsp)->tv_sec cmp (usp)->tv_sec)) 535 #endif 536 537 /* Operations on timespecs. */ 538 #ifndef timespecclear 539 #define timespecclear(tsp) (tsp)->tv_sec = (tsp)->tv_nsec = 0 540 #endif 541 #ifndef timespeccmp 542 #define timespeccmp(tsp, usp, cmp) \ 543 (((tsp)->tv_sec == (usp)->tv_sec) ? \ 544 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ 545 ((tsp)->tv_sec cmp (usp)->tv_sec)) 546 #endif 547 #ifndef timespecadd 548 #define timespecadd(tsp, usp, vsp) \ 549 do { \ 550 (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \ 551 (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \ 552 if ((vsp)->tv_nsec >= 1000000000L) { \ 553 (vsp)->tv_sec++; \ 554 (vsp)->tv_nsec -= 1000000000L; \ 555 } \ 556 } while (0) 557 #endif 558 #ifndef timespecsub 559 #define timespecsub(tsp, usp, vsp) \ 560 do { \ 561 (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \ 562 (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \ 563 if ((vsp)->tv_nsec < 0) { \ 564 (vsp)->tv_sec--; \ 565 (vsp)->tv_nsec += 1000000000L; \ 566 } \ 567 } while (0) 568 #endif 569 570 #ifndef __P 571 # define __P(x) x 572 #endif 573 574 #if !defined(IN6_IS_ADDR_V4MAPPED) 575 # define IN6_IS_ADDR_V4MAPPED(a) \ 576 ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \ 577 (((u_int32_t *) (a))[2] == htonl (0xffff))) 578 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */ 579 580 #if !defined(__GNUC__) || (__GNUC__ < 2) 581 # define __attribute__(x) 582 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ 583 584 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__) 585 # define __sentinel__ 586 #endif 587 588 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__) 589 # define __bounded__(x, y, z) 590 #endif 591 592 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__) 593 # define __nonnull__(x) 594 #endif 595 596 #ifndef OSSH_ALIGNBYTES 597 #define OSSH_ALIGNBYTES (sizeof(int) - 1) 598 #endif 599 #ifndef __CMSG_ALIGN 600 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES) 601 #endif 602 603 /* Length of the contents of a control message of length len */ 604 #ifndef CMSG_LEN 605 #define CMSG_LEN(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 606 #endif 607 608 /* Length of the space taken up by a padded control message of length len */ 609 #ifndef CMSG_SPACE 610 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len)) 611 #endif 612 613 /* given pointer to struct cmsghdr, return pointer to data */ 614 #ifndef CMSG_DATA 615 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr))) 616 #endif /* CMSG_DATA */ 617 618 /* 619 * RFC 2292 requires to check msg_controllen, in case that the kernel returns 620 * an empty list for some reasons. 621 */ 622 #ifndef CMSG_FIRSTHDR 623 #define CMSG_FIRSTHDR(mhdr) \ 624 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ 625 (struct cmsghdr *)(mhdr)->msg_control : \ 626 (struct cmsghdr *)NULL) 627 #endif /* CMSG_FIRSTHDR */ 628 629 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0 630 # define offsetof(type, member) ((size_t) &((type *)0)->member) 631 #endif 632 633 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */ 634 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */ 635 #ifndef BYTE_ORDER 636 # ifndef LITTLE_ENDIAN 637 # define LITTLE_ENDIAN 1234 638 # endif /* LITTLE_ENDIAN */ 639 # ifndef BIG_ENDIAN 640 # define BIG_ENDIAN 4321 641 # endif /* BIG_ENDIAN */ 642 # ifdef WORDS_BIGENDIAN 643 # define BYTE_ORDER BIG_ENDIAN 644 # else /* WORDS_BIGENDIAN */ 645 # define BYTE_ORDER LITTLE_ENDIAN 646 # endif /* WORDS_BIGENDIAN */ 647 #endif /* BYTE_ORDER */ 648 649 /* Function replacement / compatibility hacks */ 650 651 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO)) 652 # define HAVE_GETADDRINFO 653 #endif 654 655 #ifndef HAVE_GETOPT_OPTRESET 656 # undef getopt 657 # undef opterr 658 # undef optind 659 # undef optopt 660 # undef optreset 661 # undef optarg 662 # define getopt(ac, av, o) BSDgetopt(ac, av, o) 663 # define opterr BSDopterr 664 # define optind BSDoptind 665 # define optopt BSDoptopt 666 # define optreset BSDoptreset 667 # define optarg BSDoptarg 668 #endif 669 670 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO) 671 # undef HAVE_GETADDRINFO 672 #endif 673 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO) 674 # undef HAVE_FREEADDRINFO 675 #endif 676 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR) 677 # undef HAVE_GAI_STRERROR 678 #endif 679 680 #if defined(HAVE_GETADDRINFO) 681 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0 682 # define AI_NUMERICSERV 0 683 # endif 684 #endif 685 686 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX) 687 # undef HAVE_UPDWTMPX 688 #endif 689 690 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE) 691 # undef HAS_SHADOW_EXPIRE 692 #endif 693 694 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \ 695 defined(SYSLOG_R_SAFE_IN_SIGHAND) 696 # define DO_LOG_SAFE_IN_SIGHAND 697 #endif 698 699 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) 700 # define memmove(s1, s2, n) bcopy((s2), (s1), (n)) 701 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */ 702 703 #ifndef GETPGRP_VOID 704 # include <unistd.h> 705 # define getpgrp() getpgrp(0) 706 #endif 707 708 #ifdef USE_BSM_AUDIT 709 # define SSH_AUDIT_EVENTS 710 # define CUSTOM_SSH_AUDIT_EVENTS 711 #endif 712 713 #ifdef USE_LINUX_AUDIT 714 # define SSH_AUDIT_EVENTS 715 # define CUSTOM_SSH_AUDIT_EVENTS 716 #endif 717 718 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__) 719 # define __func__ __FUNCTION__ 720 #elif !defined(HAVE___func__) 721 # define __func__ "" 722 #endif 723 724 #if defined(KRB5) && !defined(HEIMDAL) 725 # define krb5_get_err_text(context,code) error_message(code) 726 #endif 727 728 /* Maximum number of file descriptors available */ 729 #ifdef HAVE_SYSCONF 730 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX) 731 #else 732 # define SSH_SYSFDMAX 10000 733 #endif 734 735 #ifdef FSID_HAS_VAL 736 /* encode f_fsid into a 64 bit value */ 737 #define FSID_TO_ULONG(f) \ 738 ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \ 739 ((f).val[1] & 0xffffffffUL)) 740 #elif defined(FSID_HAS___VAL) 741 #define FSID_TO_ULONG(f) \ 742 ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \ 743 ((f).__val[1] & 0xffffffffUL)) 744 #else 745 # define FSID_TO_ULONG(f) ((f)) 746 #endif 747 748 #if defined(__Lynx__) 749 /* 750 * LynxOS defines these in param.h which we do not want to include since 751 * it will also pull in a bunch of kernel definitions. 752 */ 753 # define ALIGNBYTES (sizeof(int) - 1) 754 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES) 755 /* Missing prototypes on LynxOS */ 756 int snprintf (char *, size_t, const char *, ...); 757 int mkstemp (char *); 758 char *crypt (const char *, const char *); 759 int seteuid (uid_t); 760 int setegid (gid_t); 761 char *mkdtemp (char *); 762 int rresvport_af (int *, sa_family_t); 763 int innetgr (const char *, const char *, const char *, const char *); 764 #endif 765 766 /* 767 * Define this to use pipes instead of socketpairs for communicating with the 768 * client program. Socketpairs do not seem to work on all systems. 769 * 770 * configure.ac sets this for a few OS's which are known to have problems 771 * but you may need to set it yourself 772 */ 773 /* #define USE_PIPES 1 */ 774 775 /** 776 ** login recorder definitions 777 **/ 778 779 /* FIXME: put default paths back in */ 780 #ifndef UTMP_FILE 781 # ifdef _PATH_UTMP 782 # define UTMP_FILE _PATH_UTMP 783 # else 784 # ifdef CONF_UTMP_FILE 785 # define UTMP_FILE CONF_UTMP_FILE 786 # endif 787 # endif 788 #endif 789 #ifndef WTMP_FILE 790 # ifdef _PATH_WTMP 791 # define WTMP_FILE _PATH_WTMP 792 # else 793 # ifdef CONF_WTMP_FILE 794 # define WTMP_FILE CONF_WTMP_FILE 795 # endif 796 # endif 797 #endif 798 /* pick up the user's location for lastlog if given */ 799 #ifndef LASTLOG_FILE 800 # ifdef _PATH_LASTLOG 801 # define LASTLOG_FILE _PATH_LASTLOG 802 # else 803 # ifdef CONF_LASTLOG_FILE 804 # define LASTLOG_FILE CONF_LASTLOG_FILE 805 # endif 806 # endif 807 #endif 808 809 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) 810 # define USE_SHADOW 811 #endif 812 813 /* The login() library function in libutil is first choice */ 814 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN) 815 # define USE_LOGIN 816 817 #else 818 /* Simply select your favourite login types. */ 819 /* Can't do if-else because some systems use several... <sigh> */ 820 # if !defined(DISABLE_UTMPX) 821 # define USE_UTMPX 822 # endif 823 # if defined(UTMP_FILE) && !defined(DISABLE_UTMP) 824 # define USE_UTMP 825 # endif 826 # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX) 827 # define USE_WTMPX 828 # endif 829 # if defined(WTMP_FILE) && !defined(DISABLE_WTMP) 830 # define USE_WTMP 831 # endif 832 833 #endif 834 835 #ifndef UT_LINESIZE 836 # define UT_LINESIZE 8 837 #endif 838 839 /* I hope that the presence of LASTLOG_FILE is enough to detect this */ 840 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG) 841 # define USE_LASTLOG 842 #endif 843 844 #ifdef HAVE_OSF_SIA 845 # ifdef USE_SHADOW 846 # undef USE_SHADOW 847 # endif 848 # define CUSTOM_SYS_AUTH_PASSWD 1 849 #endif 850 851 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE) 852 # define CUSTOM_SYS_AUTH_PASSWD 1 853 #endif 854 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF) 855 # define USE_LIBIAF 856 #endif 857 858 /* HP-UX 11.11 */ 859 #ifdef BTMP_FILE 860 # define _PATH_BTMP BTMP_FILE 861 #endif 862 863 #if defined(USE_BTMP) && defined(_PATH_BTMP) 864 # define CUSTOM_FAILED_LOGIN 865 #endif 866 867 /** end of login recorder definitions */ 868 869 #ifdef BROKEN_GETGROUPS 870 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b))) 871 #endif 872 873 #ifndef IOV_MAX 874 # if defined(_XOPEN_IOV_MAX) 875 # define IOV_MAX _XOPEN_IOV_MAX 876 # elif defined(DEF_IOV_MAX) 877 # define IOV_MAX DEF_IOV_MAX 878 # else 879 # define IOV_MAX 16 880 # endif 881 #endif 882 883 #ifndef EWOULDBLOCK 884 # define EWOULDBLOCK EAGAIN 885 #endif 886 887 #ifndef INET6_ADDRSTRLEN /* for non IPv6 machines */ 888 #define INET6_ADDRSTRLEN 46 889 #endif 890 891 #ifndef SSH_IOBUFSZ 892 # define SSH_IOBUFSZ 8192 893 #endif 894 895 /* 896 * We want functions in openbsd-compat, if enabled, to override system ones. 897 * We no-op out the weak symbol definition rather than remove it to reduce 898 * future sync problems. Some compilers (eg Unixware) do not allow an 899 * empty statement, so we use a bogus function declaration. 900 */ 901 #define DEF_WEAK(x) void __ssh_compat_weak_##x(void) 902 903 /* 904 * Platforms that have arc4random_uniform() and not arc4random_stir() 905 * shouldn't need the latter. 906 */ 907 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \ 908 !defined(HAVE_ARC4RANDOM_STIR) 909 # define arc4random_stir() 910 #endif 911 912 #ifndef HAVE_VA_COPY 913 # ifdef HAVE___VA_COPY 914 # define va_copy(dest, src) __va_copy(dest, src) 915 # else 916 # define va_copy(dest, src) (dest) = (src) 917 # endif 918 #endif 919 920 #ifndef __predict_true 921 # if defined(__GNUC__) && \ 922 ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96))) 923 # define __predict_true(exp) __builtin_expect(((exp) != 0), 1) 924 # define __predict_false(exp) __builtin_expect(((exp) != 0), 0) 925 # else 926 # define __predict_true(exp) ((exp) != 0) 927 # define __predict_false(exp) ((exp) != 0) 928 # endif /* gcc version */ 929 #endif /* __predict_true */ 930 931 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \ 932 defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \ 933 defined(HAVE_DECL_GLOB_NOMATCH) && HAVE_DECL_GLOB_NOMATCH != 0 && \ 934 !defined(BROKEN_GLOB) 935 # define USE_SYSTEM_GLOB 936 #endif 937 938 /* 939 * sntrup761 uses variable length arrays and c99-style declarations after code, 940 * so only enable if the compiler supports them. 941 */ 942 #if defined(VARIABLE_LENGTH_ARRAYS) && defined(VARIABLE_DECLARATION_AFTER_CODE) 943 # define USE_SNTRUP761X25519 1 944 #endif 945 #endif /* _DEFINES_H */ 946