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 short u_short; 220 typedef unsigned int u_int; 221 typedef unsigned long u_long; 222 #endif 223 224 #ifndef HAVE_INTXX_T 225 typedef signed char int8_t; 226 # if (SIZEOF_SHORT_INT == 2) 227 typedef short int int16_t; 228 # else 229 # error "16 bit int type not found." 230 # endif 231 # if (SIZEOF_INT == 4) 232 typedef int int32_t; 233 # else 234 # error "32 bit int type not found." 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 # error "16 bit int type not found." 251 # endif 252 # if (SIZEOF_INT == 4) 253 typedef unsigned int u_int32_t; 254 # else 255 # error "32 bit int type not found." 256 # endif 257 # endif 258 #define __BIT_TYPES_DEFINED__ 259 #endif 260 261 #if !defined(LLONG_MIN) && defined(LONG_LONG_MIN) 262 #define LLONG_MIN LONG_LONG_MIN 263 #endif 264 #if !defined(LLONG_MAX) && defined(LONG_LONG_MAX) 265 #define LLONG_MAX LONG_LONG_MAX 266 #endif 267 268 #ifndef UINT32_MAX 269 # if defined(HAVE_DECL_UINT32_MAX) && (HAVE_DECL_UINT32_MAX == 0) 270 # if (SIZEOF_INT == 4) 271 # define UINT32_MAX UINT_MAX 272 # endif 273 # endif 274 #endif 275 276 /* 64-bit types */ 277 #ifndef HAVE_INT64_T 278 # if (SIZEOF_LONG_INT == 8) 279 typedef long int int64_t; 280 # else 281 # if (SIZEOF_LONG_LONG_INT == 8) 282 typedef long long int int64_t; 283 # endif 284 # endif 285 #endif 286 #ifndef HAVE_U_INT64_T 287 # if (SIZEOF_LONG_INT == 8) 288 typedef unsigned long int u_int64_t; 289 # else 290 # if (SIZEOF_LONG_LONG_INT == 8) 291 typedef unsigned long long int u_int64_t; 292 # endif 293 # endif 294 #endif 295 296 #ifndef HAVE_UINTXX_T 297 typedef u_int8_t uint8_t; 298 typedef u_int16_t uint16_t; 299 typedef u_int32_t uint32_t; 300 typedef u_int64_t uint64_t; 301 #endif 302 303 #ifndef HAVE_INTMAX_T 304 typedef long long intmax_t; 305 #endif 306 307 #ifndef HAVE_UINTMAX_T 308 typedef unsigned long long uintmax_t; 309 #endif 310 311 #if SIZEOF_TIME_T == SIZEOF_LONG_LONG_INT 312 # define SSH_TIME_T_MAX LLONG_MAX 313 #else 314 # define SSH_TIME_T_MAX INT_MAX 315 #endif 316 317 #ifndef HAVE_U_CHAR 318 typedef unsigned char u_char; 319 # define HAVE_U_CHAR 320 #endif /* HAVE_U_CHAR */ 321 322 #ifndef ULLONG_MAX 323 # define ULLONG_MAX ((unsigned long long)-1) 324 #endif 325 326 #ifndef SIZE_T_MAX 327 #define SIZE_T_MAX ULONG_MAX 328 #endif /* SIZE_T_MAX */ 329 330 #ifndef HAVE_SIZE_T 331 typedef unsigned int size_t; 332 # define HAVE_SIZE_T 333 # define SIZE_T_MAX UINT_MAX 334 #endif /* HAVE_SIZE_T */ 335 336 #ifndef SIZE_MAX 337 #define SIZE_MAX SIZE_T_MAX 338 #endif 339 340 #ifndef INT32_MAX 341 # if (SIZEOF_INT == 4) 342 # define INT32_MAX INT_MAX 343 # elif (SIZEOF_LONG == 4) 344 # define INT32_MAX LONG_MAX 345 # else 346 # error "need INT32_MAX" 347 # endif 348 #endif 349 350 #ifndef INT64_MAX 351 # if (SIZEOF_INT == 8) 352 # define INT64_MAX INT_MAX 353 # elif (SIZEOF_LONG == 8) 354 # define INT64_MAX LONG_MAX 355 # elif (SIZEOF_LONG_LONG_INT == 8) 356 # define INT64_MAX LLONG_MAX 357 # else 358 # error "need INT64_MAX" 359 # endif 360 #endif 361 362 #ifndef HAVE_SSIZE_T 363 typedef int ssize_t; 364 #define SSIZE_MAX INT_MAX 365 # define HAVE_SSIZE_T 366 #endif /* HAVE_SSIZE_T */ 367 368 #ifndef HAVE_CLOCK_T 369 typedef long clock_t; 370 # define HAVE_CLOCK_T 371 #endif /* HAVE_CLOCK_T */ 372 373 #ifndef HAVE_SA_FAMILY_T 374 typedef int sa_family_t; 375 # define HAVE_SA_FAMILY_T 376 #endif /* HAVE_SA_FAMILY_T */ 377 378 #ifndef HAVE_PID_T 379 typedef int pid_t; 380 # define HAVE_PID_T 381 #endif /* HAVE_PID_T */ 382 383 #ifndef HAVE_SIG_ATOMIC_T 384 typedef int sig_atomic_t; 385 # define HAVE_SIG_ATOMIC_T 386 #endif /* HAVE_SIG_ATOMIC_T */ 387 388 #ifndef HAVE_MODE_T 389 typedef int mode_t; 390 # define HAVE_MODE_T 391 #endif /* HAVE_MODE_T */ 392 393 #if !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE___SS_FAMILY_IN_SS) 394 # define ss_family __ss_family 395 #endif /* !defined(HAVE_SS_FAMILY_IN_SS) && defined(HAVE_SA_FAMILY_IN_SS) */ 396 397 #ifndef HAVE_SYS_UN_H 398 struct sockaddr_un { 399 short sun_family; /* AF_UNIX */ 400 char sun_path[108]; /* path name (gag) */ 401 }; 402 #endif /* HAVE_SYS_UN_H */ 403 404 #ifndef HAVE_IN_ADDR_T 405 typedef u_int32_t in_addr_t; 406 #endif 407 #ifndef HAVE_IN_PORT_T 408 typedef u_int16_t in_port_t; 409 #endif 410 411 #if defined(BROKEN_SYS_TERMIO_H) && !defined(_STRUCT_WINSIZE) 412 #define _STRUCT_WINSIZE 413 struct winsize { 414 unsigned short ws_row; /* rows, in characters */ 415 unsigned short ws_col; /* columns, in character */ 416 unsigned short ws_xpixel; /* horizontal size, pixels */ 417 unsigned short ws_ypixel; /* vertical size, pixels */ 418 }; 419 #endif 420 421 /* bits needed for select that may not be in the system headers */ 422 #ifndef HAVE_FD_MASK 423 typedef unsigned long int fd_mask; 424 #endif 425 426 #if defined(HAVE_DECL_NFDBITS) && HAVE_DECL_NFDBITS == 0 427 # define NFDBITS (8 * sizeof(unsigned long)) 428 #endif 429 430 #if defined(HAVE_DECL_HOWMANY) && HAVE_DECL_HOWMANY == 0 431 # define howmany(x,y) (((x)+((y)-1))/(y)) 432 #endif 433 434 /* Paths */ 435 436 #ifndef _PATH_BSHELL 437 # define _PATH_BSHELL "/bin/sh" 438 #endif 439 440 #ifdef USER_PATH 441 # ifdef _PATH_STDPATH 442 # undef _PATH_STDPATH 443 # endif 444 # define _PATH_STDPATH USER_PATH 445 #endif 446 447 #ifndef _PATH_STDPATH 448 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" 449 #endif 450 451 #ifndef SUPERUSER_PATH 452 # define SUPERUSER_PATH _PATH_STDPATH 453 #endif 454 455 #ifndef _PATH_DEVNULL 456 # define _PATH_DEVNULL "/dev/null" 457 #endif 458 459 /* user may have set a different path */ 460 #if defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) 461 # undef _PATH_MAILDIR 462 #endif /* defined(_PATH_MAILDIR) && defined(MAIL_DIRECTORY) */ 463 464 #ifdef MAIL_DIRECTORY 465 # define _PATH_MAILDIR MAIL_DIRECTORY 466 #endif 467 468 #ifndef _PATH_NOLOGIN 469 # define _PATH_NOLOGIN "/etc/nologin" 470 #endif 471 472 /* Define this to be the path of the xauth program. */ 473 #ifdef XAUTH_PATH 474 #define _PATH_XAUTH XAUTH_PATH 475 #endif /* XAUTH_PATH */ 476 477 /* derived from XF4/xc/lib/dps/Xlibnet.h */ 478 #ifndef X_UNIX_PATH 479 # ifdef __hpux 480 # define X_UNIX_PATH "/var/spool/sockets/X11/%u" 481 # else 482 # define X_UNIX_PATH "/tmp/.X11-unix/X%u" 483 # endif 484 #endif /* X_UNIX_PATH */ 485 #define _PATH_UNIX_X X_UNIX_PATH 486 487 #ifndef _PATH_TTY 488 # define _PATH_TTY "/dev/tty" 489 #endif 490 491 /* Macros */ 492 493 #if defined(HAVE_LOGIN_GETCAPBOOL) && defined(HAVE_LOGIN_CAP_H) 494 # define HAVE_LOGIN_CAP 495 #endif 496 497 #ifndef MAX 498 # define MAX(a,b) (((a)>(b))?(a):(b)) 499 # define MIN(a,b) (((a)<(b))?(a):(b)) 500 #endif 501 502 #ifndef roundup 503 # define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) 504 #endif 505 506 #ifndef timersub 507 #define timersub(a, b, result) \ 508 do { \ 509 (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ 510 (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ 511 if ((result)->tv_usec < 0) { \ 512 --(result)->tv_sec; \ 513 (result)->tv_usec += 1000000; \ 514 } \ 515 } while (0) 516 #endif 517 518 #ifndef TIMEVAL_TO_TIMESPEC 519 #define TIMEVAL_TO_TIMESPEC(tv, ts) { \ 520 (ts)->tv_sec = (tv)->tv_sec; \ 521 (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 522 } 523 #endif 524 525 #ifndef TIMESPEC_TO_TIMEVAL 526 #define TIMESPEC_TO_TIMEVAL(tv, ts) { \ 527 (tv)->tv_sec = (ts)->tv_sec; \ 528 (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 529 } 530 #endif 531 532 #ifndef timespeccmp 533 #define timespeccmp(tsp, usp, cmp) \ 534 (((tsp)->tv_sec == (usp)->tv_sec) ? \ 535 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ 536 ((tsp)->tv_sec cmp (usp)->tv_sec)) 537 #endif 538 539 /* Operations on timespecs. */ 540 #ifndef timespecclear 541 #define timespecclear(tsp) (tsp)->tv_sec = (tsp)->tv_nsec = 0 542 #endif 543 #ifndef timespeccmp 544 #define timespeccmp(tsp, usp, cmp) \ 545 (((tsp)->tv_sec == (usp)->tv_sec) ? \ 546 ((tsp)->tv_nsec cmp (usp)->tv_nsec) : \ 547 ((tsp)->tv_sec cmp (usp)->tv_sec)) 548 #endif 549 #ifndef timespecadd 550 #define timespecadd(tsp, usp, vsp) \ 551 do { \ 552 (vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \ 553 (vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \ 554 if ((vsp)->tv_nsec >= 1000000000L) { \ 555 (vsp)->tv_sec++; \ 556 (vsp)->tv_nsec -= 1000000000L; \ 557 } \ 558 } while (0) 559 #endif 560 #ifndef timespecsub 561 #define timespecsub(tsp, usp, vsp) \ 562 do { \ 563 (vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \ 564 (vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \ 565 if ((vsp)->tv_nsec < 0) { \ 566 (vsp)->tv_sec--; \ 567 (vsp)->tv_nsec += 1000000000L; \ 568 } \ 569 } while (0) 570 #endif 571 572 #ifndef __P 573 # define __P(x) x 574 #endif 575 576 #if !defined(IN6_IS_ADDR_V4MAPPED) 577 # define IN6_IS_ADDR_V4MAPPED(a) \ 578 ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \ 579 (((u_int32_t *) (a))[2] == htonl (0xffff))) 580 #endif /* !defined(IN6_IS_ADDR_V4MAPPED) */ 581 582 #if !defined(__GNUC__) || (__GNUC__ < 2) 583 # define __attribute__(x) 584 #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */ 585 586 #if !defined(HAVE_ATTRIBUTE__SENTINEL__) && !defined(__sentinel__) 587 # define __sentinel__ 588 #endif 589 590 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__bounded__) 591 # define __bounded__(x, y, z) 592 #endif 593 594 #if !defined(HAVE_ATTRIBUTE__NONNULL__) && !defined(__nonnull__) 595 # define __nonnull__(x) 596 #endif 597 598 #ifndef OSSH_ALIGNBYTES 599 #define OSSH_ALIGNBYTES (sizeof(int) - 1) 600 #endif 601 #ifndef __CMSG_ALIGN 602 #define __CMSG_ALIGN(p) (((u_int)(p) + OSSH_ALIGNBYTES) &~ OSSH_ALIGNBYTES) 603 #endif 604 605 /* Length of the contents of a control message of length len */ 606 #ifndef CMSG_LEN 607 #define CMSG_LEN(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) 608 #endif 609 610 /* Length of the space taken up by a padded control message of length len */ 611 #ifndef CMSG_SPACE 612 #define CMSG_SPACE(len) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(len)) 613 #endif 614 615 /* given pointer to struct cmsghdr, return pointer to data */ 616 #ifndef CMSG_DATA 617 #define CMSG_DATA(cmsg) ((u_char *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr))) 618 #endif /* CMSG_DATA */ 619 620 /* 621 * RFC 2292 requires to check msg_controllen, in case that the kernel returns 622 * an empty list for some reasons. 623 */ 624 #ifndef CMSG_FIRSTHDR 625 #define CMSG_FIRSTHDR(mhdr) \ 626 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ 627 (struct cmsghdr *)(mhdr)->msg_control : \ 628 (struct cmsghdr *)NULL) 629 #endif /* CMSG_FIRSTHDR */ 630 631 #if defined(HAVE_DECL_OFFSETOF) && HAVE_DECL_OFFSETOF == 0 632 # define offsetof(type, member) ((size_t) &((type *)0)->member) 633 #endif 634 635 /* Set up BSD-style BYTE_ORDER definition if it isn't there already */ 636 /* XXX: doesn't try to cope with strange byte orders (PDP_ENDIAN) */ 637 #ifndef BYTE_ORDER 638 # ifndef LITTLE_ENDIAN 639 # define LITTLE_ENDIAN 1234 640 # endif /* LITTLE_ENDIAN */ 641 # ifndef BIG_ENDIAN 642 # define BIG_ENDIAN 4321 643 # endif /* BIG_ENDIAN */ 644 # ifdef WORDS_BIGENDIAN 645 # define BYTE_ORDER BIG_ENDIAN 646 # else /* WORDS_BIGENDIAN */ 647 # define BYTE_ORDER LITTLE_ENDIAN 648 # endif /* WORDS_BIGENDIAN */ 649 #endif /* BYTE_ORDER */ 650 651 #if (defined(HAVE_DECL_LE32TOH) && HAVE_DECL_LE32TOH == 0) || \ 652 (defined(HAVE_DECL_LE64TOH) && HAVE_DECL_LE64TOH == 0) || \ 653 (defined(HAVE_DECL_HTOLE64) && HAVE_DECL_HTOLE64 == 0) 654 # define openssh_swap32(v) \ 655 (uint32_t)(((uint32_t)(v) & 0xff) << 24 | \ 656 ((uint32_t)(v) & 0xff00) << 8 | \ 657 ((uint32_t)(v) & 0xff0000) >> 8 | \ 658 ((uint32_t)(v) & 0xff000000) >> 24) 659 # define openssh_swap64(v) \ 660 (uint64_t)((((uint64_t)(v) & 0xff) << 56) | \ 661 ((uint64_t)(v) & 0xff00ULL) << 40 | \ 662 ((uint64_t)(v) & 0xff0000ULL) << 24 | \ 663 ((uint64_t)(v) & 0xff000000ULL) << 8 | \ 664 ((uint64_t)(v) & 0xff00000000ULL) >> 8 | \ 665 ((uint64_t)(v) & 0xff0000000000ULL) >> 24 | \ 666 ((uint64_t)(v) & 0xff000000000000ULL) >> 40 | \ 667 ((uint64_t)(v) & 0xff00000000000000ULL) >> 56) 668 # ifdef WORDS_BIGENDIAN 669 # if defined(HAVE_DECL_LE32TOH) && HAVE_DECL_LE32TOH == 0 670 # define le32toh(v) (openssh_swap32(v)) 671 # endif 672 # if defined(HAVE_DECL_LE64TOH) && HAVE_DECL_LE64TOH == 0 673 # define le64toh(v) (openssh_swap64(v)) 674 # endif 675 # if defined(HAVE_DECL_HTOLE64) && HAVE_DECL_HTOLE64 == 0 676 # define htole64(v) (openssh_swap64(v)) 677 # endif 678 # else 679 # if defined(HAVE_DECL_LE32TOH) && HAVE_DECL_LE32TOH == 0 680 # define le32toh(v) ((uint32_t)v) 681 # endif 682 # if defined(HAVE_DECL_LE64TOH) && HAVE_DECL_LE64TOH == 0 683 # define le64toh(v) ((uint64_t)v) 684 # endif 685 # if defined(HAVE_DECL_HTOLE64) && HAVE_DECL_HTOLE64 == 0 686 # define htole64(v) ((uint64_t)v) 687 # endif 688 # endif 689 #endif 690 691 /* Function replacement / compatibility hacks */ 692 693 #if !defined(HAVE_GETADDRINFO) && (defined(HAVE_OGETADDRINFO) || defined(HAVE_NGETADDRINFO)) 694 # define HAVE_GETADDRINFO 695 #endif 696 697 #ifndef HAVE_GETOPT_OPTRESET 698 # undef getopt 699 # undef opterr 700 # undef optind 701 # undef optopt 702 # undef optreset 703 # undef optarg 704 # define getopt(ac, av, o) BSDgetopt(ac, av, o) 705 # define opterr BSDopterr 706 # define optind BSDoptind 707 # define optopt BSDoptopt 708 # define optreset BSDoptreset 709 # define optarg BSDoptarg 710 #endif 711 712 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GETADDRINFO) 713 # undef HAVE_GETADDRINFO 714 #endif 715 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_FREEADDRINFO) 716 # undef HAVE_FREEADDRINFO 717 #endif 718 #if defined(BROKEN_GETADDRINFO) && defined(HAVE_GAI_STRERROR) 719 # undef HAVE_GAI_STRERROR 720 #endif 721 722 #if defined(HAVE_GETADDRINFO) 723 # if defined(HAVE_DECL_AI_NUMERICSERV) && HAVE_DECL_AI_NUMERICSERV == 0 724 # define AI_NUMERICSERV 0 725 # endif 726 #endif 727 728 #if defined(BROKEN_UPDWTMPX) && defined(HAVE_UPDWTMPX) 729 # undef HAVE_UPDWTMPX 730 #endif 731 732 #if defined(BROKEN_SHADOW_EXPIRE) && defined(HAS_SHADOW_EXPIRE) 733 # undef HAS_SHADOW_EXPIRE 734 #endif 735 736 #if defined(HAVE_OPENLOG_R) && defined(SYSLOG_DATA_INIT) && \ 737 defined(SYSLOG_R_SAFE_IN_SIGHAND) 738 # define DO_LOG_SAFE_IN_SIGHAND 739 #endif 740 741 #if !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) 742 # define memmove(s1, s2, n) bcopy((s2), (s1), (n)) 743 #endif /* !defined(HAVE_MEMMOVE) && defined(HAVE_BCOPY) */ 744 745 #ifndef GETPGRP_VOID 746 # include <unistd.h> 747 # define getpgrp() getpgrp(0) 748 #endif 749 750 #ifdef USE_BSM_AUDIT 751 # define SSH_AUDIT_EVENTS 752 # define CUSTOM_SSH_AUDIT_EVENTS 753 #endif 754 755 #ifdef USE_LINUX_AUDIT 756 # define SSH_AUDIT_EVENTS 757 # define CUSTOM_SSH_AUDIT_EVENTS 758 #endif 759 760 #if !defined(HAVE___func__) && defined(HAVE___FUNCTION__) 761 # define __func__ __FUNCTION__ 762 #elif !defined(HAVE___func__) 763 # define __func__ "" 764 #endif 765 766 #if defined(KRB5) && !defined(HEIMDAL) 767 # define krb5_get_err_text(context,code) error_message(code) 768 #endif 769 770 /* Maximum number of file descriptors available */ 771 #ifdef HAVE_SYSCONF 772 # define SSH_SYSFDMAX sysconf(_SC_OPEN_MAX) 773 #else 774 # define SSH_SYSFDMAX 10000 775 #endif 776 777 #ifdef FSID_HAS_VAL 778 /* encode f_fsid into a 64 bit value */ 779 #define FSID_TO_ULONG(f) \ 780 ((((u_int64_t)(f).val[0] & 0xffffffffUL) << 32) | \ 781 ((f).val[1] & 0xffffffffUL)) 782 #elif defined(FSID_HAS___VAL) 783 #define FSID_TO_ULONG(f) \ 784 ((((u_int64_t)(f).__val[0] & 0xffffffffUL) << 32) | \ 785 ((f).__val[1] & 0xffffffffUL)) 786 #else 787 # define FSID_TO_ULONG(f) ((f)) 788 #endif 789 790 #if defined(__Lynx__) 791 /* 792 * LynxOS defines these in param.h which we do not want to include since 793 * it will also pull in a bunch of kernel definitions. 794 */ 795 # define ALIGNBYTES (sizeof(int) - 1) 796 # define ALIGN(p) (((unsigned)p + ALIGNBYTES) & ~ALIGNBYTES) 797 /* Missing prototypes on LynxOS */ 798 int snprintf (char *, size_t, const char *, ...); 799 int mkstemp (char *); 800 char *crypt (const char *, const char *); 801 int seteuid (uid_t); 802 int setegid (gid_t); 803 char *mkdtemp (char *); 804 int rresvport_af (int *, sa_family_t); 805 int innetgr (const char *, const char *, const char *, const char *); 806 #endif 807 808 /* 809 * Define this to use pipes instead of socketpairs for communicating with the 810 * client program. Socketpairs do not seem to work on all systems. 811 * 812 * configure.ac sets this for a few OS's which are known to have problems 813 * but you may need to set it yourself 814 */ 815 /* #define USE_PIPES 1 */ 816 817 /** 818 ** login recorder definitions 819 **/ 820 821 /* FIXME: put default paths back in */ 822 #ifndef UTMP_FILE 823 # ifdef _PATH_UTMP 824 # define UTMP_FILE _PATH_UTMP 825 # else 826 # ifdef CONF_UTMP_FILE 827 # define UTMP_FILE CONF_UTMP_FILE 828 # endif 829 # endif 830 #endif 831 #ifndef WTMP_FILE 832 # ifdef _PATH_WTMP 833 # define WTMP_FILE _PATH_WTMP 834 # else 835 # ifdef CONF_WTMP_FILE 836 # define WTMP_FILE CONF_WTMP_FILE 837 # endif 838 # endif 839 #endif 840 /* pick up the user's location for lastlog if given */ 841 #ifndef LASTLOG_FILE 842 # ifdef _PATH_LASTLOG 843 # define LASTLOG_FILE _PATH_LASTLOG 844 # else 845 # ifdef CONF_LASTLOG_FILE 846 # define LASTLOG_FILE CONF_LASTLOG_FILE 847 # endif 848 # endif 849 #endif 850 851 #if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) 852 # define USE_SHADOW 853 #endif 854 855 /* The login() library function in libutil is first choice */ 856 #if defined(HAVE_LOGIN) && !defined(DISABLE_LOGIN) 857 # define USE_LOGIN 858 859 #else 860 /* Simply select your favourite login types. */ 861 /* Can't do if-else because some systems use several... <sigh> */ 862 # if !defined(DISABLE_UTMPX) 863 # define USE_UTMPX 864 # endif 865 # if defined(UTMP_FILE) && !defined(DISABLE_UTMP) 866 # define USE_UTMP 867 # endif 868 # if defined(WTMPX_FILE) && !defined(DISABLE_WTMPX) 869 # define USE_WTMPX 870 # endif 871 # if defined(WTMP_FILE) && !defined(DISABLE_WTMP) 872 # define USE_WTMP 873 # endif 874 875 #endif 876 877 #ifndef UT_LINESIZE 878 # define UT_LINESIZE 8 879 #endif 880 881 /* I hope that the presence of LASTLOG_FILE is enough to detect this */ 882 #if defined(LASTLOG_FILE) && !defined(DISABLE_LASTLOG) 883 # define USE_LASTLOG 884 #endif 885 886 #ifdef HAVE_OSF_SIA 887 # ifdef USE_SHADOW 888 # undef USE_SHADOW 889 # endif 890 # define CUSTOM_SYS_AUTH_PASSWD 1 891 #endif 892 893 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(HAVE_SECUREWARE) 894 # define CUSTOM_SYS_AUTH_PASSWD 1 895 #endif 896 #if defined(HAVE_LIBIAF) && defined(HAVE_SET_ID) && !defined(BROKEN_LIBIAF) 897 # define USE_LIBIAF 898 #endif 899 900 /* HP-UX 11.11 */ 901 #ifdef BTMP_FILE 902 # define _PATH_BTMP BTMP_FILE 903 #endif 904 905 #if defined(USE_BTMP) && defined(_PATH_BTMP) 906 # define CUSTOM_FAILED_LOGIN 907 #endif 908 909 /** end of login recorder definitions */ 910 911 #ifdef BROKEN_GETGROUPS 912 # define getgroups(a,b) ((a)==0 && (b)==NULL ? NGROUPS_MAX : getgroups((a),(b))) 913 #endif 914 915 #ifndef IOV_MAX 916 # if defined(_XOPEN_IOV_MAX) 917 # define IOV_MAX _XOPEN_IOV_MAX 918 # elif defined(DEF_IOV_MAX) 919 # define IOV_MAX DEF_IOV_MAX 920 # else 921 # define IOV_MAX 16 922 # endif 923 #endif 924 925 #ifndef EWOULDBLOCK 926 # define EWOULDBLOCK EAGAIN 927 #endif 928 929 #ifndef INET6_ADDRSTRLEN /* for non IPv6 machines */ 930 #define INET6_ADDRSTRLEN 46 931 #endif 932 933 #ifndef SSH_IOBUFSZ 934 # define SSH_IOBUFSZ 8192 935 #endif 936 937 /* 938 * We want functions in openbsd-compat, if enabled, to override system ones. 939 * We no-op out the weak symbol definition rather than remove it to reduce 940 * future sync problems. Some compilers (eg Unixware) do not allow an 941 * empty statement, so we use a bogus function declaration. 942 */ 943 #define DEF_WEAK(x) void __ssh_compat_weak_##x(void) 944 945 /* 946 * Platforms that have arc4random_uniform() and not arc4random_stir() 947 * shouldn't need the latter. 948 */ 949 #if defined(HAVE_ARC4RANDOM) && defined(HAVE_ARC4RANDOM_UNIFORM) && \ 950 !defined(HAVE_ARC4RANDOM_STIR) 951 # define arc4random_stir() 952 #endif 953 954 #ifndef HAVE_VA_COPY 955 # ifdef HAVE___VA_COPY 956 # define va_copy(dest, src) __va_copy(dest, src) 957 # else 958 # define va_copy(dest, src) (dest) = (src) 959 # endif 960 #endif 961 962 #ifndef __predict_true 963 # if defined(__GNUC__) && \ 964 ((__GNUC__ > (2)) || (__GNUC__ == (2) && __GNUC_MINOR__ >= (96))) 965 # define __predict_true(exp) __builtin_expect(((exp) != 0), 1) 966 # define __predict_false(exp) __builtin_expect(((exp) != 0), 0) 967 # else 968 # define __predict_true(exp) ((exp) != 0) 969 # define __predict_false(exp) ((exp) != 0) 970 # endif /* gcc version */ 971 #endif /* __predict_true */ 972 973 #if defined(HAVE_GLOB_H) && defined(GLOB_HAS_ALTDIRFUNC) && \ 974 defined(GLOB_HAS_GL_MATCHC) && defined(GLOB_HAS_GL_STATV) && \ 975 defined(HAVE_DECL_GLOB_NOMATCH) && HAVE_DECL_GLOB_NOMATCH != 0 && \ 976 !defined(BROKEN_GLOB) 977 # define USE_SYSTEM_GLOB 978 #endif 979 980 /* 981 * sntrup761 uses variable length arrays and c99-style declarations after code, 982 * so only enable if the compiler supports them. 983 */ 984 #if defined(VARIABLE_LENGTH_ARRAYS) && defined(VARIABLE_DECLARATION_AFTER_CODE) 985 # define USE_SNTRUP761X25519 1 986 /* The ML-KEM768 implementation also uses C89 features */ 987 # define USE_MLKEM768X25519 1 988 #endif 989 #endif /* _DEFINES_H */ 990