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 8.77 (Berkeley) 01/15/94 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 100 /* 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 42 # ifndef QUEUESIZE 43 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 44 # endif 45 46 /********************************************************************** 47 ** Compilation options. 48 ** 49 ** #define these if they are available; comment them out otherwise. 50 **********************************************************************/ 51 52 # define LOG 1 /* enable logging */ 53 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 54 # define NETUNIX 1 /* include unix domain support */ 55 # define NETINET 1 /* include internet support */ 56 # define SETPROCTITLE 1 /* munge argv to display current status */ 57 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 58 # define MATCHGECOS 1 /* match user names from gecos field */ 59 # define XDEBUG 1 /* enable extended debugging */ 60 61 # ifdef NEWDB 62 # define USERDB 1 /* look in user database (requires NEWDB) */ 63 # endif 64 65 /* 66 ** Most systems have symbolic links today, so default them on. You 67 ** can turn them off by #undef'ing this below. 68 */ 69 70 # define HASLSTAT 1 /* has lstat(2) call */ 71 72 /* 73 ** General "standard C" defines. 74 ** 75 ** These may be undone later, to cope with systems that claim to 76 ** be Standard C but aren't. Gcc is the biggest offender -- it 77 ** doesn't realize that the library is part of the language. 78 ** 79 ** Life would be much easier if we could get rid of this sort 80 ** of bozo problems. 81 */ 82 83 #ifdef __STDC__ 84 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 85 #endif 86 87 /********************************************************************** 88 ** Operating system configuration. 89 ** 90 ** Unless you are porting to a new OS, you shouldn't have to 91 ** change these. 92 **********************************************************************/ 93 94 /* 95 ** Per-Operating System defines 96 */ 97 98 99 /* 100 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 101 */ 102 103 # ifdef __hpux 104 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 105 # undef m_flags 106 # define SYSTEM5 1 /* include all the System V defines */ 107 # define HASINITGROUPS 1 /* has initgroups(3) call */ 108 # define HASSETREUID 1 /* has setreuid(2) call */ 109 # define setreuid(r, e) setresuid(r, e, -1) 110 # define LA_TYPE LA_FLOAT 111 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 112 # define GIDSET_T gid_t 113 # define _PATH_UNIX "/hp-ux" 114 # ifndef _PATH_SENDMAILCF 115 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 116 # endif 117 # ifndef IDENTPROTO 118 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 119 # endif 120 # ifndef HASGETUSERSHELL 121 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 122 # endif 123 # define syslog hard_syslog 124 # ifdef __STDC__ 125 extern int syslog(int, char *, ...); 126 # endif 127 # endif 128 129 130 /* 131 ** IBM AIX 3.x -- actually tested for 3.2.3 132 */ 133 134 # ifdef _AIX3 135 # define HASINITGROUPS 1 /* has initgroups(3) call */ 136 # define HASUNAME 1 /* use System V uname(2) system call */ 137 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 138 # define FORK fork /* no vfork primitive available */ 139 # undef SETPROCTITLE /* setproctitle confuses AIX */ 140 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 141 # endif 142 143 144 /* 145 ** Silicon Graphics IRIX 146 ** 147 ** Compiles on 4.0.1. 148 */ 149 150 # ifdef IRIX 151 # include <sys/sysmacros.h> 152 # define HASSETREUID 1 /* has setreuid(2) call */ 153 # define HASINITGROUPS 1 /* has initgroups(3) call */ 154 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 155 # define FORK fork /* no vfork primitive available */ 156 # define WAITUNION 1 /* use "union wait" as wait argument type */ 157 # define setpgid BSDsetpgrp 158 # define GIDSET_T gid_t 159 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 160 # endif 161 162 163 /* 164 ** SunOS and Solaris 165 ** 166 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 167 ** Solaris 2.2 (a.k.a. SunOS 5.2). 168 */ 169 170 #if defined(sun) && !defined(BSD) 171 172 # define HASINITGROUPS 1 /* has initgroups(3) call */ 173 # define HASUNAME 1 /* use System V uname(2) system call */ 174 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 175 # define LA_TYPE LA_INT 176 177 # ifdef SOLARIS_2_3 178 # define SOLARIS 179 # endif 180 181 # ifdef SOLARIS 182 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 183 # ifndef __svr4__ 184 # define __svr4__ /* use all System V Releae 4 defines below */ 185 # endif 186 # include <sys/time.h> 187 # define gethostbyname solaris_gethostbyname /* get working version */ 188 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 189 # define GIDSET_T gid_t 190 # ifndef _PATH_UNIX 191 # define _PATH_UNIX "/kernel/unix" 192 # endif 193 # ifndef _PATH_SENDMAILCF 194 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 195 # endif 196 # ifndef _PATH_SENDMAILPID 197 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 198 # endif 199 200 # else 201 /* SunOS 4.0.3 or 4.1.x */ 202 # define HASSETREUID 1 /* has setreuid(2) call */ 203 # define HASFLOCK 1 /* has flock(2) call */ 204 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 205 # include <vfork.h> 206 207 # ifdef SUNOS403 208 /* special tweaking for SunOS 4.0.3 */ 209 # include <malloc.h> 210 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 211 # define WAITUNION 1 /* use "union wait" as wait argument type */ 212 # undef WIFEXITED 213 # undef WEXITSTATUS 214 # undef HASUNAME 215 # define setpgid setpgrp 216 typedef int pid_t; 217 extern char *getenv(); 218 219 # endif 220 # endif 221 #endif 222 223 /* 224 ** DG/UX 225 ** 226 ** Tested on 5.4.2 227 */ 228 229 #ifdef DGUX 230 # define SYSTEM5 1 231 # define LA_TYPE LA_SUBR 232 # define HASSETREUID 1 /* has setreuid(2) call */ 233 # define HASUNAME 1 /* use System V uname(2) system call */ 234 # define HASSETSID 1 /* has Posix setsid(2) call */ 235 # define HASINITGROUPS 1 /* has initgroups(3) call */ 236 # ifndef IDENTPROTO 237 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 238 # endif 239 # undef SETPROCTITLE 240 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 241 242 /* these include files must be included early on DG/UX */ 243 # include <netinet/in.h> 244 # include <arpa/inet.h> 245 246 # define inet_addr dgux_inet_addr 247 extern long dgux_inet_addr(); 248 #endif 249 250 251 /* 252 ** Digital Ultrix 4.2A or 4.3 253 ** 254 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 255 ** not dropped when the process exits. This causes major problems, 256 ** so flock is the only alternative. 257 */ 258 259 #ifdef ultrix 260 # define HASSETREUID 1 /* has setreuid(2) call */ 261 # define HASUNSETENV 1 /* has unsetenv(3) call */ 262 # define HASINITGROUPS 1 /* has initgroups(3) call */ 263 # define HASFLOCK 1 /* has flock(2) call */ 264 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 265 # ifdef vax 266 # define LA_TYPE LA_FLOAT 267 # else 268 # define LA_TYPE LA_INT 269 # define LA_AVENRUN "avenrun" 270 # endif 271 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 272 # ifndef IDENTPROTO 273 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 274 # endif 275 #endif 276 277 278 /* 279 ** OSF/1 (tested on Alpha) 280 */ 281 282 #ifdef __osf__ 283 # define HASUNSETENV 1 /* has unsetenv(3) call */ 284 # define HASSETREUID 1 /* has setreuid(2) call */ 285 # define HASINITGROUPS 1 /* has initgroups(3) call */ 286 # define HASFLOCK 1 /* has flock(2) call */ 287 # define LA_TYPE LA_INT 288 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 289 # ifndef _PATH_SENDMAILPID 290 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 291 # endif 292 #endif 293 294 295 /* 296 ** NeXTstep 297 */ 298 299 #ifdef NeXT 300 # define HASINITGROUPS 1 /* has initgroups(3) call */ 301 # define HASFLOCK 1 /* has flock(2) call */ 302 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 303 # define WAITUNION 1 /* use "union wait" as wait argument type */ 304 # define sleep sleepX 305 # define setpgid setpgrp 306 # ifndef LA_TYPE 307 # define LA_TYPE LA_MACH 308 # endif 309 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 310 # ifndef _POSIX_SOURCE 311 typedef int pid_t; 312 # undef WEXITSTATUS 313 # undef WIFEXITED 314 # endif 315 # ifndef _PATH_SENDMAILCF 316 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 317 # endif 318 # ifndef _PATH_SENDMAILPID 319 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 320 # endif 321 #endif 322 323 324 /* 325 ** 4.4 BSD 326 ** 327 ** See also BSD defines. 328 */ 329 330 #ifdef BSD4_4 331 # define HASUNSETENV 1 /* has unsetenv(3) call */ 332 # include <sys/cdefs.h> 333 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 334 # ifndef LA_TYPE 335 # define LA_TYPE LA_SUBR 336 # endif 337 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 338 #endif 339 340 341 /* 342 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 343 ** 344 ** 4.3BSD clone, closer to 4.4BSD 345 ** 346 ** See also BSD defines. 347 */ 348 349 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 350 # define HASUNSETENV 1 /* has unsetenv(3) call */ 351 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 352 # include <sys/cdefs.h> 353 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 354 # ifndef LA_TYPE 355 # define LA_TYPE LA_SUBR 356 # endif 357 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 358 #endif 359 360 361 /* 362 ** Mach386 363 ** 364 ** For mt Xinu's Mach386 system. 365 */ 366 367 #if defined(MACH) && defined(i386) 368 # define MACH386 1 369 # define HASUNSETENV 1 /* has unsetenv(3) call */ 370 # define HASINITGROUPS 1 /* has initgroups(3) call */ 371 # define HASFLOCK 1 /* has flock(2) call */ 372 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 373 # define NEEDSTRTOL 1 /* need the strtol() function */ 374 # define setpgid setpgrp 375 # ifndef LA_TYPE 376 # define LA_TYPE LA_FLOAT 377 # endif 378 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 379 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 380 # undef WEXITSTATUS 381 # undef WIFEXITED 382 # ifndef _PATH_SENDMAILCF 383 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 384 # endif 385 # ifndef _PATH_SENDMAILPID 386 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 387 # endif 388 #endif 389 390 391 /* 392 ** 4.3 BSD -- this is for very old systems 393 ** 394 ** You'll also have to install a new resolver library. 395 ** I don't guarantee that support for this environment is complete. 396 */ 397 398 #ifdef oldBSD43 399 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 400 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 401 # define ARBPTR_T char * 402 # define setpgid setpgrp 403 # ifndef LA_TYPE 404 # define LA_TYPE LA_FLOAT 405 # endif 406 # ifndef _PATH_SENDMAILCF 407 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 408 # endif 409 # ifndef IDENTPROTO 410 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 411 # endif 412 # undef WEXITSTATUS 413 # undef WIFEXITED 414 typedef short pid_t; 415 extern int errno; 416 #endif 417 418 419 /* 420 ** SCO Unix 421 ** 422 ** This includes two parts -- the first is for SCO Open Server 3.2v4 423 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 424 ** The second is, I believe, for an older version. 425 */ 426 427 #ifdef _SCO_unix_4_2 428 # define _SCO_unix_ 429 # define HASSETREUID 1 /* has setreuid(2) call */ 430 # define _PATH_UNIX "/unix" 431 # ifndef _PATH_SENDMAILCF 432 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 433 # endif 434 # ifndef _PATH_SENDMAILPID 435 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 436 # endif 437 #endif 438 439 #ifdef _SCO_unix_ 440 # define SYSTEM5 1 /* include all the System V defines */ 441 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 442 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 443 # define FORK fork 444 # define MAXPATHLEN PATHSIZE 445 # define LA_TYPE LA_SHORT 446 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 447 # undef NETUNIX /* no unix domain socket support */ 448 #endif 449 450 451 /* 452 ** ConvexOS 11.0 and later 453 */ 454 455 #ifdef _CONVEX_SOURCE 456 # define BSD 1 /* include all the BSD defines */ 457 # define HASUNAME 1 /* use System V uname(2) system call */ 458 # define HASSETSID 1 /* has POSIX setsid(2) call */ 459 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 460 # define LA_TYPE LA_FLOAT 461 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 462 # ifndef IDENTPROTO 463 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 464 # endif 465 #endif 466 467 468 /* 469 ** RISC/os 4.52 470 ** 471 ** Gives a ton of warning messages, but otherwise compiles. 472 */ 473 474 #ifdef RISCOS 475 476 # define HASUNSETENV 1 /* has unsetenv(3) call */ 477 # define HASFLOCK 1 /* has flock(2) call */ 478 # define WAITUNION 1 /* use "union wait" as wait argument type */ 479 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 480 # define LA_TYPE LA_INT 481 # define LA_AVENRUN "avenrun" 482 # define _PATH_UNIX "/unix" 483 # undef WIFEXITED 484 485 # define setpgid setpgrp 486 487 extern int errno; 488 typedef int pid_t; 489 #define SIGFUNC_DEFINED 490 typedef int (*sigfunc_t)(); 491 extern char *getenv(); 492 extern void *malloc(); 493 494 #endif 495 496 497 /* 498 ** Linux 0.99pl10 and above... 499 ** From Karl London <karl@borg.demon.co.uk>. 500 */ 501 502 #ifdef __linux__ 503 # define BSD 1 /* pretend to be BSD based today */ 504 # undef NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 505 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 506 # define HASUNSETENV 1 /* has unsetenv(3) call */ 507 # ifndef LA_TYPE 508 # define LA_TYPE LA_FLOAT 509 # endif 510 # include <sys/sysmacros.h> 511 # define GIDSET_T gid_t 512 #endif 513 514 515 /* 516 ** DELL SVR4 Issue 2.2, and others 517 ** From Kimmo Suominen <kim@grendel.lut.fi> 518 ** 519 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 520 ** defined, and the definitions conflict. 521 ** 522 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 523 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 524 ** (SVR4.0/386 version 3.0). 525 */ 526 527 #ifdef DELL_SVR4 528 /* no changes necessary */ 529 /* see general __svr4__ defines below */ 530 #endif 531 532 533 /* 534 ** Apple A/UX 3.0 535 */ 536 537 #ifdef _AUX_SOURCE 538 # include <sys/sysmacros.h> 539 # define BSD /* has BSD routines */ 540 # define HASUNAME 1 /* use System V uname(2) system call */ 541 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 542 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 543 # ifndef IDENTPROTO 544 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 545 # endif 546 # define FORK fork 547 # ifndef _PATH_SENDMAILCF 548 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 549 # endif 550 # ifndef LA_TYPE 551 # define LA_TYPE LA_ZERO 552 # endif 553 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 554 # undef WIFEXITED 555 # undef WEXITSTATUS 556 #endif 557 558 559 /* 560 ** Encore UMAX V 561 ** 562 ** Not extensively tested. 563 */ 564 565 #ifdef UMAXV 566 # include <limits.h> 567 # define HASUNAME 1 /* use System V uname(2) system call */ 568 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 569 # define HASINITGROUPS 1 /* has initgroups(3) call */ 570 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 571 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 572 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 573 # define FORK fork /* no vfork(2) primitive available */ 574 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 575 # define MAXPATHLEN PATH_MAX 576 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 577 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 578 # undef WIFEXITED 579 # undef WEXITSTATUS 580 #endif 581 582 583 /* 584 ** Stardent Titan 3000 running TitanOS 4.2. 585 ** 586 ** Must be compiled in "cc -43" mode. 587 ** 588 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 589 ** 590 ** Note the tweaking below after the BSD defines are set. 591 */ 592 593 #ifdef titan 594 # define setpgid setpgrp 595 typedef int pid_t; 596 # undef WIFEXITED 597 # undef WEXITSTATUS 598 #endif 599 600 601 /* 602 ** Sequent DYNIX 3.2.0 603 ** 604 ** From Jim Davis <jdavis@cs.arizona.edu>. 605 */ 606 607 #ifdef sequent 608 # define BSD 1 609 # define HASUNSETENV 1 610 # define BSD4_3 1 /* to get signal() in conf.c */ 611 # define WAITUNION 1 612 # define LA_TYPE LA_FLOAT 613 # ifdef _POSIX_VERSION 614 # undef _POSIX_VERSION /* set in <unistd.h> */ 615 # endif 616 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 617 # define setpgid setpgrp 618 619 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 620 # undef WIFEXITED 621 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 622 ((union wait*)&(s))->w_termsig == 0) 623 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 624 typedef int pid_t; 625 # define isgraph(c) (isprint(c) && (c != ' ')) 626 627 # ifndef _PATH_UNIX 628 # define _PATH_UNIX "/dynix" 629 # endif 630 # ifndef _PATH_SENDMAILCF 631 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 632 # endif 633 634 #endif 635 636 637 /* 638 ** Cray Unicos 639 ** 640 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 641 */ 642 643 #ifdef UNICOS 644 # define SYSTEM5 1 /* include all the System V defines */ 645 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 646 # define MAXPATHLEN PATHSIZE 647 # define LA_TYPE LA_ZERO 648 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 649 #endif 650 651 652 653 /********************************************************************** 654 ** End of Per-Operating System defines 655 **********************************************************************/ 656 657 /********************************************************************** 658 ** More general defines 659 **********************************************************************/ 660 661 /* general BSD defines */ 662 #ifdef BSD 663 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 664 # define HASSETREUID 1 /* has setreuid(2) call */ 665 # define HASINITGROUPS 1 /* has initgroups(2) call */ 666 # define HASFLOCK 1 /* has flock(2) call */ 667 #endif 668 669 /* general System V Release 4 defines */ 670 #ifdef __svr4__ 671 # define SYSTEM5 1 672 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 673 # ifndef HASGETUSERSHELL 674 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 675 # endif 676 # define setreuid(r, e) seteuid(e) 677 678 # ifndef _PATH_UNIX 679 # define _PATH_UNIX "/unix" 680 # endif 681 # ifndef _PATH_SENDMAILCF 682 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 683 # endif 684 # ifndef _PATH_SENDMAILPID 685 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 686 # endif 687 # ifndef SYSLOG_BUFSIZE 688 # define SYSLOG_BUFSIZE 128 689 # endif 690 #endif 691 692 /* general System V defines */ 693 # ifdef SYSTEM5 694 # include <sys/sysmacros.h> 695 # define HASUNAME 1 /* use System V uname(2) system call */ 696 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 697 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 698 # ifndef LA_TYPE 699 # define LA_TYPE LA_INT /* assume integer load average */ 700 # endif 701 # ifndef SFS_TYPE 702 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 703 # endif 704 # define bcopy(s, d, l) (memmove((d), (s), (l))) 705 # define bzero(d, l) (memset((d), '\0', (l))) 706 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 707 # endif 708 709 /* general POSIX defines */ 710 #ifdef _POSIX_VERSION 711 # define HASSETSID 1 /* has Posix setsid(2) call */ 712 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 713 #endif 714 715 /* 716 ** If no type for argument two of getgroups call is defined, assume 717 ** it's an integer -- unfortunately, there seem to be several choices 718 ** here. 719 */ 720 721 #ifndef GIDSET_T 722 # define GIDSET_T int 723 #endif 724 725 /* 726 ** Tweaking for systems that (for example) claim to be BSD but 727 ** don't have all the standard BSD routines (boo hiss). 728 */ 729 730 #ifdef titan 731 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 732 #endif 733 734 /* 735 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 736 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 737 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 738 ** are closed. Some firewalls return this error if you try to connect 739 ** to the IDENT port (113), so you can't receive email from these hosts 740 ** on these systems. The firewall really should use a more specific 741 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 742 ** not explicitly set to zero above, default it on. 743 */ 744 745 #ifndef IDENTPROTO 746 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 747 #endif 748 749 #ifndef HASGETUSERSHELL 750 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 751 #endif 752 753 754 /********************************************************************** 755 ** Remaining definitions should never have to be changed. They are 756 ** primarily to provide back compatibility for older systems -- for 757 ** example, it includes some POSIX compatibility definitions 758 **********************************************************************/ 759 760 /* System 5 compatibility */ 761 #ifndef S_ISREG 762 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 763 #endif 764 #if !defined(S_ISLNK) && defined(S_IFLNK) 765 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 766 #endif 767 #ifndef S_IWGRP 768 #define S_IWGRP 020 769 #endif 770 #ifndef S_IWOTH 771 #define S_IWOTH 002 772 #endif 773 774 /* 775 ** Older systems don't have this error code -- it should be in 776 ** /usr/include/sysexits.h. 777 */ 778 779 # ifndef EX_CONFIG 780 # define EX_CONFIG 78 /* configuration error */ 781 # endif 782 783 /* pseudo-code used in server SMTP */ 784 # define EX_QUIT 22 /* drop out of server immediately */ 785 786 787 /* 788 ** These are used in a few cases where we need some special 789 ** error codes, but where the system doesn't provide something 790 ** reasonable. They are printed in errstring. 791 */ 792 793 #ifndef E_PSEUDOBASE 794 # define E_PSEUDOBASE 256 795 #endif 796 797 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 798 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 799 800 /* type of arbitrary pointer */ 801 #ifndef ARBPTR_T 802 # define ARBPTR_T void * 803 #endif 804 805 #ifndef __P 806 # include "cdefs.h" 807 #endif 808 809 /* 810 ** Do some required dependencies 811 */ 812 813 #if defined(NETINET) || defined(NETISO) 814 # define SMTP 1 /* enable user and server SMTP */ 815 # define QUEUE 1 /* enable queueing */ 816 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 817 #endif 818 819 820 /* 821 ** Arrange to use either varargs or stdargs 822 */ 823 824 # ifdef __STDC__ 825 826 # include <stdarg.h> 827 828 # define VA_LOCAL_DECL va_list ap; 829 # define VA_START(f) va_start(ap, f) 830 # define VA_END va_end(ap) 831 832 # else 833 834 # include <varargs.h> 835 836 # define VA_LOCAL_DECL va_list ap; 837 # define VA_START(f) va_start(ap) 838 # define VA_END va_end(ap) 839 840 # endif 841 842 #ifdef HASUNAME 843 # include <sys/utsname.h> 844 # ifdef newstr 845 # undef newstr 846 # endif 847 #else /* ! HASUNAME */ 848 # define NODE_LENGTH 32 849 struct utsname 850 { 851 char nodename[NODE_LENGTH+1]; 852 }; 853 #endif /* HASUNAME */ 854 855 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) 856 # define MAXHOSTNAMELEN 256 857 #endif 858 859 #if !defined(SIGCHLD) && defined(SIGCLD) 860 # define SIGCHLD SIGCLD 861 #endif 862 863 #ifndef STDIN_FILENO 864 #define STDIN_FILENO 0 865 #endif 866 867 #ifndef STDOUT_FILENO 868 #define STDOUT_FILENO 1 869 #endif 870 871 #ifndef STDERR_FILENO 872 #define STDERR_FILENO 2 873 #endif 874 875 #ifndef LOCK_SH 876 # define LOCK_SH 0x01 /* shared lock */ 877 # define LOCK_EX 0x02 /* exclusive lock */ 878 # define LOCK_NB 0x04 /* non-blocking lock */ 879 # define LOCK_UN 0x08 /* unlock */ 880 #endif 881 882 #ifndef SIG_ERR 883 # define SIG_ERR ((void (*)()) -1) 884 #endif 885 886 #ifndef WEXITSTATUS 887 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 888 #endif 889 #ifndef WIFEXITED 890 # define WIFEXITED(st) (((st) & 0377) == 0) 891 #endif 892 893 #ifndef SIGFUNC_DEFINED 894 typedef void (*sigfunc_t) __P((int)); 895 #endif 896 897 /* size of syslog buffer */ 898 #ifndef SYSLOG_BUFSIZE 899 # define SYSLOG_BUFSIZE 1024 900 #endif 901 902 /* 903 ** Size of tobuf (deliver.c) 904 ** Tweak this to match your syslog implementation. It will have to 905 ** allow for the extra information printed. 906 */ 907 908 #ifndef TOBUFSIZE 909 # if (SYSLOG_BUFSIZE) > 512 910 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 911 # else 912 # define TOBUFSIZE 256 913 # endif 914 #endif 915 916 /* 917 ** Size of prescan buffer. 918 ** Despite comments in the _sendmail_ book, this probably should 919 ** not be changed; there are some hard-to-define dependencies. 920 */ 921 922 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 923 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 924 # ifndef FORK 925 # define FORK vfork /* function to call to fork mailer */ 926 # endif 927