1 /* 2 * Copyright (c) 1983 Eric P. Allman 3 * Copyright (c) 1988, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * %sccs.include.redist.c% 7 * 8 * @(#)conf.h 8.140 (Berkeley) 03/11/95 9 */ 10 11 /* 12 ** CONF.H -- All user-configurable parameters for sendmail 13 */ 14 15 # include <sys/param.h> 16 # include <sys/types.h> 17 # include <sys/stat.h> 18 # include <sys/file.h> 19 # include <sys/wait.h> 20 # include <fcntl.h> 21 # include <signal.h> 22 23 /********************************************************************** 24 ** Table sizes, etc.... 25 ** There shouldn't be much need to change these.... 26 **********************************************************************/ 27 28 # define MAXLINE 2048 /* max line length */ 29 # define MAXNAME 256 /* max length of a name */ 30 # define MAXPV 40 /* max # of parms to mailers */ 31 # define MAXATOM 200 /* max atoms per address */ 32 # define MAXMAILERS 25 /* maximum mailers known to system */ 33 # define MAXRWSETS 200 /* max # of sets of rewriting rules */ 34 # define MAXPRIORITIES 25 /* max values for Precedence: field */ 35 # define MAXMXHOSTS 20 /* max # of MX records */ 36 # define SMTPLINELIM 990 /* maximum SMTP line length */ 37 # define MAXKEY 128 /* maximum size of a database key */ 38 # define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ 39 # define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ 40 # define MAXALIASDB 12 /* max # of alias databases */ 41 # define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */ 42 # define MAXTOCLASS 8 /* max # of message timeout classes */ 43 # define MAXMIMEARGS 20 /* max args in Content-Type: */ 44 # define MAXMIMENESTING 20 /* max MIME multipart nesting */ 45 46 # ifndef QUEUESIZE 47 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 48 # endif 49 50 /********************************************************************** 51 ** Compilation options. 52 ** 53 ** #define these if they are available; comment them out otherwise. 54 **********************************************************************/ 55 56 # define LOG 1 /* enable logging */ 57 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 58 # define NETUNIX 1 /* include unix domain support */ 59 # define NETINET 1 /* include internet support */ 60 # define MATCHGECOS 1 /* match user names from gecos field */ 61 # define XDEBUG 1 /* enable extended debugging */ 62 # ifdef NEWDB 63 # define USERDB 1 /* look in user database (requires NEWDB) */ 64 # endif 65 66 /********************************************************************** 67 ** 0/1 Compilation options. 68 ** #define these to 1 if they are available; 69 ** #define them to 0 otherwise. 70 **********************************************************************/ 71 72 # ifndef NAMED_BIND 73 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 74 # endif 75 76 /* 77 ** Most systems have symbolic links today, so default them on. You 78 ** can turn them off by #undef'ing this below. 79 */ 80 81 # define HASLSTAT 1 /* has lstat(2) call */ 82 83 /* 84 ** General "standard C" defines. 85 ** 86 ** These may be undone later, to cope with systems that claim to 87 ** be Standard C but aren't. Gcc is the biggest offender -- it 88 ** doesn't realize that the library is part of the language. 89 ** 90 ** Life would be much easier if we could get rid of this sort 91 ** of bozo problems. 92 */ 93 94 #ifdef __STDC__ 95 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 96 #endif 97 98 /********************************************************************** 99 ** Operating system configuration. 100 ** 101 ** Unless you are porting to a new OS, you shouldn't have to 102 ** change these. 103 **********************************************************************/ 104 105 /* 106 ** Per-Operating System defines 107 */ 108 109 110 /* 111 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 112 */ 113 114 #ifdef __hpux 115 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 116 # undef m_flags 117 # define SYSTEM5 1 /* include all the System V defines */ 118 # define HASINITGROUPS 1 /* has initgroups(3) call */ 119 # define HASSETREUID 1 /* has setreuid(2) call */ 120 # define setreuid(r, e) setresuid(r, e, -1) 121 # define LA_TYPE LA_SUBR 122 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 123 # define GIDSET_T gid_t 124 # define _PATH_UNIX "/hp-ux" 125 # ifndef _PATH_SENDMAILCF 126 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 127 # endif 128 # ifndef IDENTPROTO 129 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 130 # endif 131 # ifndef HASGETUSERSHELL 132 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 133 # endif 134 # define syslog hard_syslog 135 # ifdef __STDC__ 136 extern int syslog(int, char *, ...); 137 # endif 138 #endif 139 140 141 /* 142 ** IBM AIX 3.x -- actually tested for 3.2.3 143 */ 144 145 #ifdef _AIX3 146 # define HASINITGROUPS 1 /* has initgroups(3) call */ 147 # define HASUNAME 1 /* use System V uname(2) system call */ 148 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 149 # define FORK fork /* no vfork primitive available */ 150 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 151 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 152 # define LA_TYPE LA_INT 153 #endif 154 155 156 /* 157 ** Silicon Graphics IRIX 158 ** 159 ** Compiles on 4.0.1. 160 ** 161 ** Use IRIX64 instead of IRIX for 64-bit IRIX. 162 ** 163 ** IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>. 164 */ 165 166 #ifdef IRIX64 167 # define IRIX 168 #endif 169 170 #ifdef IRIX 171 # define SYSTEM5 1 /* this is a System-V derived system */ 172 # define HASSETREUID 1 /* has setreuid(2) call */ 173 # define HASINITGROUPS 1 /* has initgroups(3) call */ 174 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 175 # define FORK fork /* no vfork primitive available */ 176 # ifndef IRIX64 /* IRIX 6.0 */ 177 # define WAITUNION 1 /* use "union wait" as wait argument type */ 178 # endif 179 # define setpgid BSDsetpgrp 180 # define GIDSET_T gid_t 181 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 182 # define SFS_BAVAIL f_bfree /* alternate field name */ 183 # define LA_TYPE LA_INT 184 # ifdef IRIX64 185 # define NAMELISTMASK 0x7fffffffffffffff /* mask for nlist() values */ 186 # else 187 # define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ 188 # endif 189 #endif 190 191 192 /* 193 ** SunOS and Solaris 194 ** 195 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 196 ** Solaris 2.2 (a.k.a. SunOS 5.2). 197 */ 198 199 #if defined(sun) && !defined(BSD) 200 201 # define HASINITGROUPS 1 /* has initgroups(3) call */ 202 # define HASUNAME 1 /* use System V uname(2) system call */ 203 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 204 # define LA_TYPE LA_INT 205 206 # ifdef SOLARIS_2_3 207 # define SOLARIS /* for back compat only -- use -DSOLARIS=203 */ 208 # endif 209 210 # ifdef SOLARIS 211 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 212 # ifndef __svr4__ 213 # define __svr4__ /* use all System V Releae 4 defines below */ 214 # endif 215 # include <sys/time.h> 216 # define GIDSET_T gid_t 217 # ifndef _PATH_UNIX 218 # define _PATH_UNIX "/dev/ksyms" 219 # endif 220 # ifndef _PATH_SENDMAILCF 221 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 222 # endif 223 # ifndef _PATH_SENDMAILPID 224 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 225 # endif 226 # ifndef SYSLOG_BUFSIZE 227 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 228 # endif 229 # if SOLARIS < 204 230 # define gethostbyname solaris_gethostbyname /* get good version */ 231 # define gethostbyaddr solaris_gethostbyaddr /* get good version */ 232 # endif 233 234 # else 235 /* SunOS 4.0.3 or 4.1.x */ 236 # define HASSETREUID 1 /* has setreuid(2) call */ 237 # ifndef HASFLOCK 238 # define HASFLOCK 1 /* has flock(2) call */ 239 # endif 240 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 241 # include <vfork.h> 242 243 # ifdef SUNOS403 244 /* special tweaking for SunOS 4.0.3 */ 245 # include <malloc.h> 246 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 247 # define WAITUNION 1 /* use "union wait" as wait argument type */ 248 # undef WIFEXITED 249 # undef WEXITSTATUS 250 # undef HASUNAME 251 # define setpgid setpgrp 252 typedef int pid_t; 253 extern char *getenv(); 254 255 # else 256 /* 4.1.x specifics */ 257 # define HASSETSID 1 /* has Posix setsid(2) call */ 258 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 259 260 # endif 261 # endif 262 #endif 263 264 /* 265 ** DG/UX 266 ** 267 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 268 ** older support. 269 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 270 */ 271 272 #ifdef DGUX_5_4_2 273 # define DGUX 1 274 #endif 275 276 #ifdef DGUX 277 # define SYSTEM5 1 278 # define LA_TYPE LA_SUBR 279 # define HASSETREUID 1 /* has setreuid(2) call */ 280 # define HASUNAME 1 /* use System V uname(2) system call */ 281 # define HASSETSID 1 /* has Posix setsid(2) call */ 282 # define HASINITGROUPS 1 /* has initgroups(3) call */ 283 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 284 # ifndef IDENTPROTO 285 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 286 # endif 287 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 288 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 289 290 /* these include files must be included early on DG/UX */ 291 # include <netinet/in.h> 292 # include <arpa/inet.h> 293 294 # ifdef DGUX_5_4_2 295 # define inet_addr dgux_inet_addr 296 extern long dgux_inet_addr(); 297 # endif 298 #endif 299 300 301 /* 302 ** Digital Ultrix 4.2A or 4.3 303 ** 304 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 305 ** not dropped when the process exits. This causes major problems, 306 ** so flock is the only alternative. 307 */ 308 309 #ifdef ultrix 310 # define HASSETREUID 1 /* has setreuid(2) call */ 311 # define HASUNSETENV 1 /* has unsetenv(3) call */ 312 # define HASINITGROUPS 1 /* has initgroups(3) call */ 313 # define HASUNAME 1 /* use System V uname(2) system call */ 314 # ifndef HASFLOCK 315 # define HASFLOCK 1 /* has flock(2) call */ 316 # endif 317 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 318 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 319 # ifdef vax 320 # define LA_TYPE LA_FLOAT 321 # else 322 # define LA_TYPE LA_INT 323 # define LA_AVENRUN "avenrun" 324 # endif 325 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 326 # ifndef IDENTPROTO 327 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 328 # endif 329 #endif 330 331 332 /* 333 ** OSF/1 for Intel Paragon. 334 ** 335 ** Contributed by Jeff A. Earickson <jeff@ssd.intel.com> 336 ** of Intel Scalable Systems Divison. 337 */ 338 339 #ifdef __PARAGON__ 340 # define __osf__ 1 /* get OSF/1 defines below */ 341 # ifndef _PATH_SENDMAILCF 342 # define _PATH_SENDMAILCF "/var/adm/sendmail/sendmail.cf" 343 # endif 344 #endif 345 346 347 /* 348 ** OSF/1 (tested on Alpha) 349 */ 350 351 #ifdef __osf__ 352 # define HASUNSETENV 1 /* has unsetenv(3) call */ 353 # define HASSETREUID 1 /* has setreuid(2) call */ 354 # define HASINITGROUPS 1 /* has initgroups(3) call */ 355 # ifndef HASFLOCK 356 # define HASFLOCK 1 /* has flock(2) call */ 357 # endif 358 # define LA_TYPE LA_INT 359 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 360 # ifndef _PATH_SENDMAILPID 361 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 362 # endif 363 #endif 364 365 366 /* 367 ** NeXTstep 368 */ 369 370 #ifdef NeXT 371 # define HASINITGROUPS 1 /* has initgroups(3) call */ 372 # ifndef HASFLOCK 373 # define HASFLOCK 1 /* has flock(2) call */ 374 # endif 375 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 376 # define WAITUNION 1 /* use "union wait" as wait argument type */ 377 # define sleep sleepX 378 # define setpgid setpgrp 379 # ifndef LA_TYPE 380 # define LA_TYPE LA_MACH 381 # endif 382 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 383 # ifndef _POSIX_SOURCE 384 typedef int pid_t; 385 # undef WEXITSTATUS 386 # undef WIFEXITED 387 # endif 388 # ifndef _PATH_SENDMAILCF 389 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 390 # endif 391 # ifndef _PATH_SENDMAILPID 392 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 393 # endif 394 #endif 395 396 397 /* 398 ** 4.4 BSD 399 ** 400 ** See also BSD defines. 401 */ 402 403 #ifdef BSD4_4 404 # define HASUNSETENV 1 /* has unsetenv(3) call */ 405 # include <sys/cdefs.h> 406 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 407 # ifndef LA_TYPE 408 # define LA_TYPE LA_SUBR 409 # endif 410 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 411 # define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */ 412 #endif 413 414 415 /* 416 ** BSD/386 (all versions) 417 ** From Tony Sanders, BSDI 418 */ 419 420 #ifdef __bsdi__ 421 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 422 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 423 # include <sys/cdefs.h> 424 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 425 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 426 # ifndef LA_TYPE 427 # define LA_TYPE LA_SUBR 428 # endif 429 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 430 /* version 1.1 or later */ 431 # undef SPT_TYPE 432 # define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ 433 # else 434 /* version 1.0 or earlier */ 435 # ifndef OLD_NEWDB 436 # define OLD_NEWDB 1 /* old version of newdb library */ 437 # endif 438 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 439 # endif 440 #endif 441 442 443 444 /* 445 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 446 ** 447 ** 4.3BSD clone, closer to 4.4BSD 448 ** 449 ** See also BSD defines. 450 */ 451 452 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 453 # define HASUNSETENV 1 /* has unsetenv(3) call */ 454 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 455 # ifdef __NetBSD__ 456 # define HASUNAME 1 /* has uname(2) syscall */ 457 # endif 458 # include <sys/cdefs.h> 459 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 460 # ifndef LA_TYPE 461 # define LA_TYPE LA_SUBR 462 # endif 463 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 464 #endif 465 466 467 /* 468 ** Mach386 469 ** 470 ** For mt Xinu's Mach386 system. 471 */ 472 473 #if defined(MACH) && defined(i386) 474 # define MACH386 1 475 # define HASUNSETENV 1 /* has unsetenv(3) call */ 476 # define HASINITGROUPS 1 /* has initgroups(3) call */ 477 # ifndef HASFLOCK 478 # define HASFLOCK 1 /* has flock(2) call */ 479 # endif 480 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 481 # define NEEDSTRTOL 1 /* need the strtol() function */ 482 # define setpgid setpgrp 483 # ifndef LA_TYPE 484 # define LA_TYPE LA_FLOAT 485 # endif 486 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 487 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 488 # undef WEXITSTATUS 489 # undef WIFEXITED 490 # ifndef _PATH_SENDMAILCF 491 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 492 # endif 493 # ifndef _PATH_SENDMAILPID 494 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 495 # endif 496 #endif 497 498 499 /* 500 ** 4.3 BSD -- this is for very old systems 501 ** 502 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 503 ** 504 ** You'll also have to install a new resolver library. 505 ** I don't guarantee that support for this environment is complete. 506 */ 507 508 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 509 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 510 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 511 # define ARBPTR_T char * 512 # define setpgid setpgrp 513 # ifndef LA_TYPE 514 # define LA_TYPE LA_FLOAT 515 # endif 516 # ifndef _PATH_SENDMAILCF 517 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 518 # endif 519 # ifndef IDENTPROTO 520 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 521 # endif 522 # undef WEXITSTATUS 523 # undef WIFEXITED 524 typedef short pid_t; 525 extern int errno; 526 #endif 527 528 529 /* 530 ** SCO Unix 531 ** 532 ** This includes two parts -- the first is for SCO Open Server 3.2v4 533 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 534 ** The second is, I believe, for an older version. 535 */ 536 537 #ifdef _SCO_unix_4_2 538 # define _SCO_unix_ 539 # define HASSETREUID 1 /* has setreuid(2) call */ 540 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 541 # define _PATH_UNIX "/unix" 542 # ifndef _PATH_SENDMAILCF 543 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 544 # endif 545 # ifndef _PATH_SENDMAILPID 546 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 547 # endif 548 #endif 549 550 #ifdef _SCO_unix_ 551 # define SYSTEM5 1 /* include all the System V defines */ 552 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 553 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 554 # define FORK fork 555 # define MAXPATHLEN PATHSIZE 556 # define LA_TYPE LA_SHORT 557 # define SFS_TYPE SFS_4ARGS /* use <sys/statfs.h> 4-arg impl */ 558 # define SFS_BAVAIL f_bfree /* alternate field name */ 559 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 560 # undef NETUNIX /* no unix domain socket support */ 561 #endif 562 563 564 /* 565 ** ISC (SunSoft) Unix. 566 ** 567 ** Contributed by J.J. Bailey <jjb@jagware.bcc.com> 568 */ 569 570 #ifdef ISC_UNIX 571 # include <net/errno.h> 572 # define SYSTEM5 1 /* include all the System V defines */ 573 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 574 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 575 # define HASSETREUID 1 /* has setreuid(2) call */ 576 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 577 # undef NETUNIX /* no unix domain socket support */ 578 # define FORK fork 579 # define MAXPATHLEN 1024 580 # define LA_TYPE LA_SHORT 581 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 582 # define SFS_BAVAIL f_bfree /* alternate field name */ 583 # define _PATH_UNIX "/unix" 584 # ifndef _PATH_SENDMAILCF 585 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 586 # endif 587 # ifndef _PATH_SENDMAILPID 588 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 589 # endif 590 591 typedef short pid_t; 592 593 #endif 594 595 596 /* 597 ** Altos System V. 598 ** Contributed by Tim Rice <timr@crl.com>. 599 */ 600 601 #ifdef ALTOS_SYS_V 602 # include <limits.h> 603 # define SYSTEM5 1 /* include all the System V defines */ 604 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 605 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 606 # define WAITUNION 1 /* use "union wait" as wait argument type */ 607 # define NEEDFSYNC 1 /* no fsync(2) in system library */ 608 # define FORK fork 609 # define MAXPATHLEN PATHSIZE 610 # define LA_TYPE LA_SHORT 611 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 612 # define SFS_BAVAIL f_bfree /* alternate field name */ 613 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 614 # undef NETUNIX /* no unix domain socket support */ 615 # undef WIFEXITED 616 # undef WEXITSTATUS 617 # define strtoul strtol /* gcc library bogosity */ 618 619 typedef unsigned short uid_t; 620 typedef unsigned short gid_t; 621 typedef short pid_t; 622 #endif 623 624 625 /* 626 ** ConvexOS 11.0 and later 627 ** 628 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 629 ** works on 9.1 as well. 630 */ 631 632 #ifdef _CONVEX_SOURCE 633 # define BSD 1 /* include all the BSD defines */ 634 # define HASUNAME 1 /* use System V uname(2) system call */ 635 # define HASSETSID 1 /* has POSIX setsid(2) call */ 636 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 637 # define LA_TYPE LA_FLOAT 638 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 639 # ifndef _PATH_SENDMAILCF 640 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 641 # endif 642 # ifndef S_IREAD 643 # define S_IREAD _S_IREAD 644 # define S_IWRITE _S_IWRITE 645 # define S_IEXEC _S_IEXEC 646 # define S_IFMT _S_IFMT 647 # define S_IFCHR _S_IFCHR 648 # define S_IFBLK _S_IFBLK 649 # endif 650 # ifndef IDENTPROTO 651 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 652 # endif 653 #endif 654 655 656 /* 657 ** RISC/os 4.52 658 ** 659 ** Gives a ton of warning messages, but otherwise compiles. 660 */ 661 662 #ifdef RISCOS 663 664 # define HASUNSETENV 1 /* has unsetenv(3) call */ 665 # ifndef HASFLOCK 666 # define HASFLOCK 1 /* has flock(2) call */ 667 # endif 668 # define WAITUNION 1 /* use "union wait" as wait argument type */ 669 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 670 # define LA_TYPE LA_INT 671 # define LA_AVENRUN "avenrun" 672 # define _PATH_UNIX "/unix" 673 # undef WIFEXITED 674 675 # define setpgid setpgrp 676 677 extern int errno; 678 typedef int pid_t; 679 #define SIGFUNC_DEFINED 680 typedef int (*sigfunc_t)(); 681 extern char *getenv(); 682 extern void *malloc(); 683 684 #endif 685 686 687 /* 688 ** Linux 0.99pl10 and above... 689 ** 690 ** Thanks to, in reverse order of contact: 691 ** 692 ** John Kennedy <warlock@csuchico.edu> 693 ** Andrew Pam <avatar@aus.xanadu.com> 694 ** Florian La Roche <rzsfl@rz.uni-sb.de> 695 ** Karl London <karl@borg.demon.co.uk> 696 ** 697 ** Last compiled against: [12/14/94 @ 11:38:41 PM (Wednesday)] 698 ** sendmail 8.7.a.5 named 4.9.3-beta12-p1 db-1.85 699 ** gcc 2.6.2 libc.so.4.6.20 700 ** slackware 2.1.0 linux 1.1.70 701 */ 702 703 #ifdef __linux__ 704 # define BSD 1 /* include BSD defines */ 705 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 706 # define HASUNAME 1 /* use System V uname(2) system call */ 707 # define HASUNSETENV 1 /* has unsetenv(3) call */ 708 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 709 # define GIDSET_T gid_t /* from <linux/types.h> */ 710 # define HASGETUSERSHELL 0 /* getusershell(3) broken in Slackware 2.0 */ 711 # ifndef LA_TYPE 712 # define LA_TYPE LA_PROCSTR 713 # endif 714 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 715 # ifndef _PATH_SENDMAILPID 716 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 717 # endif 718 # define TZ_TYPE TZ_TNAME 719 # include <sys/sysmacros.h> 720 # undef atol /* wounded in <stdlib.h> */ 721 #endif 722 723 724 /* 725 ** DELL SVR4 Issue 2.2, and others 726 ** From Kimmo Suominen <kim@grendel.lut.fi> 727 ** 728 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 729 ** defined, and the definitions conflict. 730 ** 731 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 732 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 733 ** (SVR4.0/386 version 3.0). 734 */ 735 736 #ifdef DELL_SVR4 737 /* no changes necessary */ 738 /* see general __svr4__ defines below */ 739 #endif 740 741 742 /* 743 ** Apple A/UX 3.0 744 */ 745 746 #ifdef _AUX_SOURCE 747 # include <sys/sysmacros.h> 748 # define BSD /* has BSD routines */ 749 # define HASUNAME 1 /* use System V uname(2) system call */ 750 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 751 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 752 # ifndef IDENTPROTO 753 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 754 # endif 755 # define FORK fork 756 # ifndef _PATH_SENDMAILCF 757 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 758 # endif 759 # ifndef LA_TYPE 760 # define LA_TYPE LA_ZERO 761 # endif 762 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 763 # undef WIFEXITED 764 # undef WEXITSTATUS 765 #endif 766 767 768 /* 769 ** Encore UMAX V 770 ** 771 ** Not extensively tested. 772 */ 773 774 #ifdef UMAXV 775 # include <limits.h> 776 # define HASUNAME 1 /* use System V uname(2) system call */ 777 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 778 # define HASINITGROUPS 1 /* has initgroups(3) call */ 779 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 780 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 781 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 782 # define FORK fork /* no vfork(2) primitive available */ 783 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 784 # define MAXPATHLEN PATH_MAX 785 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 786 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 787 # undef WIFEXITED 788 # undef WEXITSTATUS 789 #endif 790 791 792 /* 793 ** Stardent Titan 3000 running TitanOS 4.2. 794 ** 795 ** Must be compiled in "cc -43" mode. 796 ** 797 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 798 ** 799 ** Note the tweaking below after the BSD defines are set. 800 */ 801 802 #ifdef titan 803 # define setpgid setpgrp 804 typedef int pid_t; 805 # undef WIFEXITED 806 # undef WEXITSTATUS 807 #endif 808 809 810 /* 811 ** Sequent DYNIX 3.2.0 812 ** 813 ** From Jim Davis <jdavis@cs.arizona.edu>. 814 */ 815 816 #ifdef sequent 817 818 # define BSD 1 819 # define HASUNSETENV 1 820 # define BSD4_3 1 /* to get signal() in conf.c */ 821 # define WAITUNION 1 822 # define LA_TYPE LA_FLOAT 823 # ifdef _POSIX_VERSION 824 # undef _POSIX_VERSION /* set in <unistd.h> */ 825 # endif 826 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 827 # define setpgid setpgrp 828 829 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 830 # undef WIFEXITED 831 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 832 ((union wait*)&(s))->w_termsig == 0) 833 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 834 typedef int pid_t; 835 # define isgraph(c) (isprint(c) && (c != ' ')) 836 837 # ifndef IDENTPROTO 838 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 839 # endif 840 841 # ifndef _PATH_UNIX 842 # define _PATH_UNIX "/dynix" 843 # endif 844 # ifndef _PATH_SENDMAILCF 845 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 846 # endif 847 848 #endif 849 850 851 /* 852 ** Sequent DYNIX/ptx v2.0 (and higher) 853 ** 854 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 855 ** 856 ** From Tim Wright <timw@sequent.com>. 857 */ 858 859 #ifdef _SEQUENT_ 860 # define SYSTEM5 1 /* include all the System V defines */ 861 # define HASSETSID 1 /* has POSIX setsid(2) call */ 862 # define HASINITGROUPS 1 /* has initgroups(3) call */ 863 # define HASSETREUID 1 /* has setreuid(2) call */ 864 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 865 # define GIDSET_T gid_t 866 # define LA_TYPE LA_INT 867 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 868 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 869 # ifndef IDENTPROTO 870 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 871 # endif 872 # ifndef _PATH_SENDMAILCF 873 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 874 # endif 875 # ifndef _PATH_SENDMAILPID 876 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 877 # endif 878 #endif 879 880 881 /* 882 ** Cray Unicos 883 ** 884 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 885 */ 886 887 #ifdef UNICOS 888 # define SYSTEM5 1 /* include all the System V defines */ 889 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 890 # define MAXPATHLEN PATHSIZE 891 # define LA_TYPE LA_ZERO 892 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 893 # define SFS_BAVAIL f_bfree /* alternate field name */ 894 #endif 895 896 897 /* 898 ** Apollo DomainOS 899 ** 900 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 901 ** 902 ** 15 Jan 1994 903 ** 904 */ 905 906 #ifdef apollo 907 # define HASSETREUID 1 /* has setreuid(2) call */ 908 # define HASINITGROUPS 1 /* has initgroups(2) call */ 909 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 910 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 911 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 912 # define SFS_BAVAIL f_bfree /* alternate field name */ 913 # ifndef _PATH_SENDMAILCF 914 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 915 # endif 916 # ifndef _PATH_SENDMAILPID 917 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 918 # endif 919 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 920 # undef S_IFIFO 921 # define S_IFIFO 0010000 922 # ifndef IDENTPROTO 923 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 924 # endif 925 #endif 926 927 928 /* 929 ** UnixWare 1.1.2. 930 ** 931 ** From Evan Champion <evanc@spatial.synapse.org>. 932 */ 933 934 #ifdef UNIXWARE 935 # define SYSTEM5 1 936 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 937 # define HASGETDTABLESIZE 1 938 # define HASSETREUID 1 939 # define HASSETSID 1 940 # define HASINITGROUPS 1 941 # define GIDSET_T gid_t 942 # define SLEEP_T unsigned 943 # define SFS_TYPE SFS_STATVFS 944 # define LA_TYPE LA_ZERO 945 # undef WIFEXITED 946 # undef WEXITSTATUS 947 # define _PATH_UNIX "/unix" 948 # ifndef _PATH_SENDMAILCF 949 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 950 # endif 951 # ifndef _PATH_SENDMAILPID 952 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 953 # endif 954 # define SYSLOG_BUFSIZE 128 955 #endif 956 957 958 /* 959 ** Intergraph CLIX 3.1 960 ** 961 ** From Paul Southworth <pauls@locust.cic.net> 962 */ 963 964 #ifdef CLIX 965 # define SYSTEM5 1 /* looks like System V */ 966 # ifndef HASGETUSERSHELL 967 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 968 # endif 969 # define DEV_BSIZE 512 /* device block size not defined */ 970 # define GIDSET_T gid_t 971 # undef LOG /* syslog not available */ 972 # define NEEDFSYNC 1 /* no fsync in system library */ 973 # define GETSHORT _getshort 974 #endif 975 976 977 /* 978 ** NCR 3000 Series (SysVr4) 979 ** 980 ** From Kevin Darcy <kevin@tech.mis.cfc.com>. 981 */ 982 983 #ifdef NCR3000 984 # define __svr4__ 985 # undef BSD 986 # define LA_AVENRUN "avenrun" 987 #endif 988 989 990 /* 991 ** Tandem NonStop-UX SVR4 992 ** 993 ** From Rick McCarty <mccarty@mpd.tandem.com>. 994 */ 995 996 #ifdef NonStop_UX_BXX 997 # define __svr4__ 998 #endif 999 1000 1001 /* 1002 ** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2. 1003 ** 1004 ** Tested for 1.04 and 1.03 1005 ** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>. 1006 */ 1007 1008 #ifdef __H3050R 1009 # define SYSTEM5 1 /* include all the System V defines */ 1010 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1011 # define setreuid(r, e) setresuid(r, e, -1) 1012 # define LA_TYPE LA_FLOAT 1013 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 1014 # define HASSETVBUF /* HI-UX has no setlinebuf */ 1015 # ifndef GIDSET_T 1016 # define GIDSET_T gid_t 1017 # endif 1018 # ifndef _PATH_UNIX 1019 # define _PATH_UNIX "/HI-UX" 1020 # endif 1021 # ifndef _PATH_SENDMAILCF 1022 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1023 # endif 1024 # ifndef IDENTPROTO 1025 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 1026 # endif 1027 # ifndef HASGETUSERSHELL 1028 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 1029 # endif 1030 1031 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */ 1032 # undef m_flags 1033 1034 # ifdef __STDC__ 1035 extern int syslog(int, char *, ...); 1036 # endif 1037 1038 #endif 1039 1040 1041 /* 1042 ** Amdahl UTS System V 2.1.5 (SVr3-based) 1043 ** 1044 ** From: Janet Jackson <janet@dialix.oz.au>. 1045 */ 1046 1047 #ifdef _UTS 1048 # include <sys/sysmacros.h> 1049 # undef HASLSTAT /* has symlinks, but they cause problems */ 1050 # define NEEDFSYNC 1 /* system fsync(2) fails on non-EFS filesys */ 1051 # define SYS5SIGNALS 1 /* System V signal semantics */ 1052 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1053 # define HASUNAME 1 /* use System V uname(2) system call */ 1054 # define HASINITGROUPS 1 /* has initgroups(3) function */ 1055 # define HASSETVBUF 1 /* has setvbuf(3) function */ 1056 # define HASSIGSETMASK 0 /* does not have sigsetmask(2) function */ 1057 # ifndef HASGETUSERSHELL 1058 # define HASGETUSERSHELL 0 /* does not have getusershell(3) function */ 1059 # endif 1060 # define GIDSET_T gid_t /* type of 2nd arg to getgroups(2) isn't int */ 1061 # define LA_TYPE LA_ZERO /* doesn't have load average */ 1062 # define SFS_TYPE SFS_4ARGS /* use 4-arg statfs() */ 1063 # define SFS_BAVAIL f_bfree /* alternate field name */ 1064 # define _PATH_UNIX "/unix" 1065 # ifndef _PATH_SENDMAILCF 1066 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1067 # endif 1068 #endif 1069 1070 /* 1071 ** Cray Computer Corporation's CSOS 1072 ** 1073 ** Contributed by Scott Bolte <scott@craycos.com>. 1074 */ 1075 1076 #ifdef _CRAYCOM 1077 # define SYSTEM5 1 /* include all the System V defines */ 1078 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 1079 # define NEEDFSYNC 1 /* no fsync in system library */ 1080 # define MAXPATHLEN PATHSIZE 1081 # define LA_TYPE LA_ZERO 1082 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 1083 # define SFS_BAVAIL f_bfree /* alternate field name */ 1084 # define _POSIX_CHOWN_RESTRICTED -1 1085 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 1086 #endif 1087 1088 1089 /********************************************************************** 1090 ** End of Per-Operating System defines 1091 **********************************************************************/ 1092 1093 /********************************************************************** 1094 ** More general defines 1095 **********************************************************************/ 1096 1097 /* general BSD defines */ 1098 #ifdef BSD 1099 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 1100 # define HASSETREUID 1 /* has setreuid(2) call */ 1101 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1102 # ifndef HASSETRLIMIT 1103 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1104 # endif 1105 # ifndef HASFLOCK 1106 # define HASFLOCK 1 /* has flock(2) call */ 1107 # endif 1108 # ifndef TZ_TYPE 1109 # define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ 1110 # endif 1111 #endif 1112 1113 /* general System V Release 4 defines */ 1114 #ifdef __svr4__ 1115 # define SYSTEM5 1 1116 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 1117 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1118 # ifndef HASSETRLIMIT 1119 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1120 # endif 1121 # ifndef HASGETUSERSHELL 1122 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 1123 # endif 1124 # define setreuid(r, e) seteuid(e) 1125 1126 # ifndef _PATH_UNIX 1127 # define _PATH_UNIX "/unix" 1128 # endif 1129 # ifndef _PATH_SENDMAILCF 1130 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 1131 # endif 1132 # ifndef _PATH_SENDMAILPID 1133 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 1134 # endif 1135 # ifndef SYSLOG_BUFSIZE 1136 # define SYSLOG_BUFSIZE 128 1137 # endif 1138 # ifndef SFS_TYPE 1139 # define SFS_TYPE SFS_STATVFS 1140 # endif 1141 #endif 1142 1143 /* general System V defines */ 1144 #ifdef SYSTEM5 1145 # include <sys/sysmacros.h> 1146 # define HASUNAME 1 /* use System V uname(2) system call */ 1147 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1148 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 1149 # ifndef HASULIMIT 1150 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 1151 # endif 1152 # ifndef LA_TYPE 1153 # define LA_TYPE LA_INT /* assume integer load average */ 1154 # endif 1155 # ifndef SFS_TYPE 1156 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 1157 # endif 1158 # ifndef TZ_TYPE 1159 # define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ 1160 # endif 1161 # define bcopy(s, d, l) (memmove((d), (s), (l))) 1162 # define bzero(d, l) (memset((d), '\0', (l))) 1163 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 1164 #endif 1165 1166 /* general POSIX defines */ 1167 #ifdef _POSIX_VERSION 1168 # define HASSETSID 1 /* has Posix setsid(2) call */ 1169 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 1170 #endif 1171 1172 /* 1173 ** If no type for argument two of getgroups call is defined, assume 1174 ** it's an integer -- unfortunately, there seem to be several choices 1175 ** here. 1176 */ 1177 1178 #ifndef GIDSET_T 1179 # define GIDSET_T int 1180 #endif 1181 1182 /* 1183 ** Tweaking for systems that (for example) claim to be BSD or POSIX 1184 ** but don't have all the standard BSD or POSIX routines (boo hiss). 1185 */ 1186 1187 #ifdef titan 1188 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 1189 #endif 1190 1191 #ifdef _CRAYCOM 1192 # undef HASSETSID /* despite POSIX claim, doesn't have setsid */ 1193 #endif 1194 1195 #ifdef ISC_UNIX 1196 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1197 #endif 1198 1199 #ifdef ALTOS_SYS_V 1200 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1201 # undef bzero /* despite SystemV claim, uses BSD bzero */ 1202 # undef bcmp /* despite SystemV claim, uses BSD bcmp */ 1203 #endif 1204 1205 1206 /* 1207 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 1208 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 1209 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 1210 ** are closed. Some firewalls return this error if you try to connect 1211 ** to the IDENT port (113), so you can't receive email from these hosts 1212 ** on these systems. The firewall really should use a more specific 1213 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 1214 ** not explicitly set to zero above, default it on. 1215 */ 1216 1217 #ifndef IDENTPROTO 1218 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 1219 #endif 1220 1221 #ifndef HASGETUSERSHELL 1222 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1223 #endif 1224 1225 #ifndef HASFLOCK 1226 # define HASFLOCK 0 /* assume no flock(2) support */ 1227 #endif 1228 1229 #ifndef HASSETRLIMIT 1230 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1231 #endif 1232 1233 #ifndef HASULIMIT 1234 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1235 #endif 1236 1237 #ifndef OLD_NEWDB 1238 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1239 #endif 1240 1241 /* heuristic setting of HASSETSIGMASK; can override above */ 1242 #ifndef HASSIGSETMASK 1243 # ifdef SIGVTALRM 1244 # define HASSETSIGMASK 1 1245 # else 1246 # define HASSETSIGMASK 0 1247 # endif 1248 #endif 1249 1250 1251 /********************************************************************** 1252 ** Remaining definitions should never have to be changed. They are 1253 ** primarily to provide back compatibility for older systems -- for 1254 ** example, it includes some POSIX compatibility definitions 1255 **********************************************************************/ 1256 1257 /* System 5 compatibility */ 1258 #ifndef S_ISREG 1259 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1260 #endif 1261 #if !defined(S_ISLNK) && defined(S_IFLNK) 1262 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1263 #endif 1264 #ifndef S_IWUSR 1265 # define S_IWUSR 0200 1266 #endif 1267 #ifndef S_IWGRP 1268 # define S_IWGRP 0020 1269 #endif 1270 #ifndef S_IWOTH 1271 # define S_IWOTH 0002 1272 #endif 1273 1274 /* 1275 ** Older systems don't have this error code -- it should be in 1276 ** /usr/include/sysexits.h. 1277 */ 1278 1279 # ifndef EX_CONFIG 1280 # define EX_CONFIG 78 /* configuration error */ 1281 # endif 1282 1283 /* pseudo-code used in server SMTP */ 1284 # define EX_QUIT 22 /* drop out of server immediately */ 1285 1286 1287 /* 1288 ** These are used in a few cases where we need some special 1289 ** error codes, but where the system doesn't provide something 1290 ** reasonable. They are printed in errstring. 1291 */ 1292 1293 #ifndef E_PSEUDOBASE 1294 # define E_PSEUDOBASE 256 1295 #endif 1296 1297 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1298 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1299 1300 /* type of arbitrary pointer */ 1301 #ifndef ARBPTR_T 1302 # define ARBPTR_T void * 1303 #endif 1304 1305 #ifndef __P 1306 # include "cdefs.h" 1307 #endif 1308 1309 #if NAMED_BIND 1310 # include <arpa/nameser.h> 1311 # ifdef __svr4__ 1312 # ifdef NOERROR 1313 # undef NOERROR /* avoid compiler conflict with stream.h */ 1314 # endif 1315 # endif 1316 #endif 1317 1318 /* 1319 ** The size of an IP address -- can't use sizeof because of problems 1320 ** on Crays, where everything is 64 bits. This will break if/when 1321 ** IP addresses are expanded to eight bytes. 1322 */ 1323 1324 #ifndef INADDRSZ 1325 # define INADDRSZ 4 1326 #endif 1327 1328 /* 1329 ** The size of various known types -- for reading network protocols. 1330 ** Again, we can't use sizeof because of compiler randomness. 1331 */ 1332 1333 #ifndef INT16SZ 1334 # define INT16SZ 2 1335 #endif 1336 #ifndef INT32SZ 1337 # define INT32SZ 4 1338 #endif 1339 1340 /* 1341 ** Do some required dependencies 1342 */ 1343 1344 #if defined(NETINET) || defined(NETISO) 1345 # define SMTP 1 /* enable user and server SMTP */ 1346 # define QUEUE 1 /* enable queueing */ 1347 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1348 #endif 1349 1350 1351 /* 1352 ** Arrange to use either varargs or stdargs 1353 */ 1354 1355 # ifdef __STDC__ 1356 1357 # include <stdarg.h> 1358 1359 # define VA_LOCAL_DECL va_list ap; 1360 # define VA_START(f) va_start(ap, f) 1361 # define VA_END va_end(ap) 1362 1363 # else 1364 1365 # include <varargs.h> 1366 1367 # define VA_LOCAL_DECL va_list ap; 1368 # define VA_START(f) va_start(ap) 1369 # define VA_END va_end(ap) 1370 1371 # endif 1372 1373 #ifdef HASUNAME 1374 # include <sys/utsname.h> 1375 # ifdef newstr 1376 # undef newstr 1377 # endif 1378 #else /* ! HASUNAME */ 1379 # define NODE_LENGTH 32 1380 struct utsname 1381 { 1382 char nodename[NODE_LENGTH+1]; 1383 }; 1384 #endif /* HASUNAME */ 1385 1386 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V) 1387 # define MAXHOSTNAMELEN 256 1388 #endif 1389 1390 #if !defined(SIGCHLD) && defined(SIGCLD) 1391 # define SIGCHLD SIGCLD 1392 #endif 1393 1394 #ifndef STDIN_FILENO 1395 #define STDIN_FILENO 0 1396 #endif 1397 1398 #ifndef STDOUT_FILENO 1399 #define STDOUT_FILENO 1 1400 #endif 1401 1402 #ifndef STDERR_FILENO 1403 #define STDERR_FILENO 2 1404 #endif 1405 1406 #ifndef LOCK_SH 1407 # define LOCK_SH 0x01 /* shared lock */ 1408 # define LOCK_EX 0x02 /* exclusive lock */ 1409 # define LOCK_NB 0x04 /* non-blocking lock */ 1410 # define LOCK_UN 0x08 /* unlock */ 1411 #endif 1412 1413 #ifndef SIG_ERR 1414 # define SIG_ERR ((void (*)()) -1) 1415 #endif 1416 1417 #ifndef WEXITSTATUS 1418 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1419 #endif 1420 #ifndef WIFEXITED 1421 # define WIFEXITED(st) (((st) & 0377) == 0) 1422 #endif 1423 1424 #ifndef SIGFUNC_DEFINED 1425 typedef void (*sigfunc_t) __P((int)); 1426 #endif 1427 1428 /* size of syslog buffer */ 1429 #ifndef SYSLOG_BUFSIZE 1430 # define SYSLOG_BUFSIZE 1024 1431 #endif 1432 1433 /* 1434 ** Size of tobuf (deliver.c) 1435 ** Tweak this to match your syslog implementation. It will have to 1436 ** allow for the extra information printed. 1437 */ 1438 1439 #ifndef TOBUFSIZE 1440 # if (SYSLOG_BUFSIZE) > 512 1441 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1442 # else 1443 # define TOBUFSIZE 256 1444 # endif 1445 #endif 1446 1447 /* 1448 ** Size of prescan buffer. 1449 ** Despite comments in the _sendmail_ book, this probably should 1450 ** not be changed; there are some hard-to-define dependencies. 1451 */ 1452 1453 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1454 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1455 # ifndef FORK 1456 # define FORK vfork /* function to call to fork mailer */ 1457 # endif 1458 1459 /* 1460 ** If we are going to link scanf anyway, use it in readcf 1461 */ 1462 1463 #if !defined(HASUNAME) && !defined(SCANF) 1464 # define SCANF 1 1465 #endif 1466