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 8.85 (Berkeley) 02/08/94 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 # ifndef SYSLOG_BUFSIZE 200 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 201 # endif 202 203 # else 204 /* SunOS 4.0.3 or 4.1.x */ 205 # define HASSETREUID 1 /* has setreuid(2) call */ 206 # ifndef HASFLOCK 207 # define HASFLOCK 1 /* has flock(2) call */ 208 # endif 209 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 210 # include <vfork.h> 211 212 # ifdef SUNOS403 213 /* special tweaking for SunOS 4.0.3 */ 214 # include <malloc.h> 215 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 216 # define WAITUNION 1 /* use "union wait" as wait argument type */ 217 # undef WIFEXITED 218 # undef WEXITSTATUS 219 # undef HASUNAME 220 # define setpgid setpgrp 221 typedef int pid_t; 222 extern char *getenv(); 223 224 # endif 225 # endif 226 #endif 227 228 /* 229 ** DG/UX 230 ** 231 ** Tested on 5.4.2 232 */ 233 234 #ifdef DGUX 235 # define SYSTEM5 1 236 # define LA_TYPE LA_SUBR 237 # define HASSETREUID 1 /* has setreuid(2) call */ 238 # define HASUNAME 1 /* use System V uname(2) system call */ 239 # define HASSETSID 1 /* has Posix setsid(2) call */ 240 # define HASINITGROUPS 1 /* has initgroups(3) call */ 241 # ifndef IDENTPROTO 242 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 243 # endif 244 # undef SETPROCTITLE 245 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 246 247 /* these include files must be included early on DG/UX */ 248 # include <netinet/in.h> 249 # include <arpa/inet.h> 250 251 # define inet_addr dgux_inet_addr 252 extern long dgux_inet_addr(); 253 #endif 254 255 256 /* 257 ** Digital Ultrix 4.2A or 4.3 258 ** 259 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 260 ** not dropped when the process exits. This causes major problems, 261 ** so flock is the only alternative. 262 */ 263 264 #ifdef ultrix 265 # define HASSETREUID 1 /* has setreuid(2) call */ 266 # define HASUNSETENV 1 /* has unsetenv(3) call */ 267 # define HASINITGROUPS 1 /* has initgroups(3) call */ 268 # ifndef HASFLOCK 269 # define HASFLOCK 1 /* has flock(2) call */ 270 # endif 271 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 272 # ifdef vax 273 # define LA_TYPE LA_FLOAT 274 # else 275 # define LA_TYPE LA_INT 276 # define LA_AVENRUN "avenrun" 277 # endif 278 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 279 # ifndef IDENTPROTO 280 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 281 # endif 282 #endif 283 284 285 /* 286 ** OSF/1 (tested on Alpha) 287 */ 288 289 #ifdef __osf__ 290 # define HASUNSETENV 1 /* has unsetenv(3) call */ 291 # define HASSETREUID 1 /* has setreuid(2) call */ 292 # define HASINITGROUPS 1 /* has initgroups(3) call */ 293 # ifdef HASFLOCK 294 # define HASFLOCK 1 /* has flock(2) call */ 295 # endif 296 # define LA_TYPE LA_INT 297 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 298 # ifndef _PATH_SENDMAILPID 299 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 300 # endif 301 #endif 302 303 304 /* 305 ** NeXTstep 306 */ 307 308 #ifdef NeXT 309 # define HASINITGROUPS 1 /* has initgroups(3) call */ 310 # ifndef HASFLOCK 311 # define HASFLOCK 1 /* has flock(2) call */ 312 # endif 313 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 314 # define WAITUNION 1 /* use "union wait" as wait argument type */ 315 # define sleep sleepX 316 # define setpgid setpgrp 317 # ifndef LA_TYPE 318 # define LA_TYPE LA_MACH 319 # endif 320 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 321 # ifndef _POSIX_SOURCE 322 typedef int pid_t; 323 # undef WEXITSTATUS 324 # undef WIFEXITED 325 # endif 326 # ifndef _PATH_SENDMAILCF 327 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 328 # endif 329 # ifndef _PATH_SENDMAILPID 330 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 331 # endif 332 #endif 333 334 335 /* 336 ** 4.4 BSD 337 ** 338 ** See also BSD defines. 339 */ 340 341 #ifdef BSD4_4 342 # define HASUNSETENV 1 /* has unsetenv(3) call */ 343 # include <sys/cdefs.h> 344 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 345 # ifndef LA_TYPE 346 # define LA_TYPE LA_SUBR 347 # endif 348 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 349 #endif 350 351 352 /* 353 ** BSD/386 (all versions) 354 ** From Tony Sanders, BSDI 355 */ 356 357 #ifdef __bsdi__ 358 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 359 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 360 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 361 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 362 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 363 # else 364 # define SETPROCTITLE 1 365 # endif 366 # include <sys/cdefs.h> 367 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 368 # ifndef LA_TYPE 369 # define LA_TYPE LA_SUBR 370 # endif 371 #endif 372 373 374 375 /* 376 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 377 ** 378 ** 4.3BSD clone, closer to 4.4BSD 379 ** 380 ** See also BSD defines. 381 */ 382 383 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 384 # define HASUNSETENV 1 /* has unsetenv(3) call */ 385 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 386 # include <sys/cdefs.h> 387 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 388 # ifndef LA_TYPE 389 # define LA_TYPE LA_SUBR 390 # endif 391 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 392 #endif 393 394 395 /* 396 ** Mach386 397 ** 398 ** For mt Xinu's Mach386 system. 399 */ 400 401 #if defined(MACH) && defined(i386) 402 # define MACH386 1 403 # define HASUNSETENV 1 /* has unsetenv(3) call */ 404 # define HASINITGROUPS 1 /* has initgroups(3) call */ 405 # ifdef HASFLOCK 406 # define HASFLOCK 1 /* has flock(2) call */ 407 # endif 408 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 409 # define NEEDSTRTOL 1 /* need the strtol() function */ 410 # define setpgid setpgrp 411 # ifndef LA_TYPE 412 # define LA_TYPE LA_FLOAT 413 # endif 414 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 415 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 416 # undef WEXITSTATUS 417 # undef WIFEXITED 418 # ifndef _PATH_SENDMAILCF 419 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 420 # endif 421 # ifndef _PATH_SENDMAILPID 422 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 423 # endif 424 #endif 425 426 427 /* 428 ** 4.3 BSD -- this is for very old systems 429 ** 430 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 431 ** 432 ** You'll also have to install a new resolver library. 433 ** I don't guarantee that support for this environment is complete. 434 */ 435 436 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 437 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 438 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 439 # define ARBPTR_T char * 440 # define setpgid setpgrp 441 # ifndef LA_TYPE 442 # define LA_TYPE LA_FLOAT 443 # endif 444 # ifndef _PATH_SENDMAILCF 445 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 446 # endif 447 # ifndef IDENTPROTO 448 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 449 # endif 450 # undef WEXITSTATUS 451 # undef WIFEXITED 452 typedef short pid_t; 453 extern int errno; 454 #endif 455 456 457 /* 458 ** SCO Unix 459 ** 460 ** This includes two parts -- the first is for SCO Open Server 3.2v4 461 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 462 ** The second is, I believe, for an older version. 463 */ 464 465 #ifdef _SCO_unix_4_2 466 # define _SCO_unix_ 467 # define HASSETREUID 1 /* has setreuid(2) call */ 468 # define _PATH_UNIX "/unix" 469 # ifndef _PATH_SENDMAILCF 470 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 471 # endif 472 # ifndef _PATH_SENDMAILPID 473 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 474 # endif 475 #endif 476 477 #ifdef _SCO_unix_ 478 # define SYSTEM5 1 /* include all the System V defines */ 479 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 480 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 481 # define FORK fork 482 # define MAXPATHLEN PATHSIZE 483 # define LA_TYPE LA_SHORT 484 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 485 # undef NETUNIX /* no unix domain socket support */ 486 #endif 487 488 489 /* 490 ** ConvexOS 11.0 and later 491 ** 492 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 493 ** works on 9.1 as well. 494 */ 495 496 #ifdef _CONVEX_SOURCE 497 # define BSD 1 /* include all the BSD defines */ 498 # define HASUNAME 1 /* use System V uname(2) system call */ 499 # define HASSETSID 1 /* has POSIX setsid(2) call */ 500 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 501 # define LA_TYPE LA_FLOAT 502 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 503 # ifndef _PATH_SENDMAILCF 504 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 505 # endif 506 # ifndef S_IREAD 507 # define S_IREAD _S_IREAD 508 # define S_IWRITE _S_IWRITE 509 # define S_IEXEC _S_IEXEC 510 # define S_IFMT _S_IFMT 511 # define S_IFCHR _S_IFCHR 512 # define S_IFBLK _S_IFBLK 513 # endif 514 # ifndef IDENTPROTO 515 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 516 # endif 517 #endif 518 519 520 /* 521 ** RISC/os 4.52 522 ** 523 ** Gives a ton of warning messages, but otherwise compiles. 524 */ 525 526 #ifdef RISCOS 527 528 # define HASUNSETENV 1 /* has unsetenv(3) call */ 529 # ifdef HASFLOCK 530 # define HASFLOCK 1 /* has flock(2) call */ 531 # endif 532 # define WAITUNION 1 /* use "union wait" as wait argument type */ 533 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 534 # define LA_TYPE LA_INT 535 # define LA_AVENRUN "avenrun" 536 # define _PATH_UNIX "/unix" 537 # undef WIFEXITED 538 539 # define setpgid setpgrp 540 541 extern int errno; 542 typedef int pid_t; 543 #define SIGFUNC_DEFINED 544 typedef int (*sigfunc_t)(); 545 extern char *getenv(); 546 extern void *malloc(); 547 548 #endif 549 550 551 /* 552 ** Linux 0.99pl10 and above... 553 ** From Karl London <karl@borg.demon.co.uk>. 554 */ 555 556 #ifdef __linux__ 557 # define BSD 1 /* pretend to be BSD based today */ 558 # undef NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 559 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 560 # define HASUNSETENV 1 /* has unsetenv(3) call */ 561 # ifndef LA_TYPE 562 # define LA_TYPE LA_FLOAT 563 # endif 564 # include <sys/sysmacros.h> 565 # define GIDSET_T gid_t 566 #endif 567 568 569 /* 570 ** DELL SVR4 Issue 2.2, and others 571 ** From Kimmo Suominen <kim@grendel.lut.fi> 572 ** 573 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 574 ** defined, and the definitions conflict. 575 ** 576 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 577 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 578 ** (SVR4.0/386 version 3.0). 579 */ 580 581 #ifdef DELL_SVR4 582 /* no changes necessary */ 583 /* see general __svr4__ defines below */ 584 #endif 585 586 587 /* 588 ** Apple A/UX 3.0 589 */ 590 591 #ifdef _AUX_SOURCE 592 # include <sys/sysmacros.h> 593 # define BSD /* has BSD routines */ 594 # define HASUNAME 1 /* use System V uname(2) system call */ 595 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 596 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 597 # ifndef IDENTPROTO 598 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 599 # endif 600 # define FORK fork 601 # ifndef _PATH_SENDMAILCF 602 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 603 # endif 604 # ifndef LA_TYPE 605 # define LA_TYPE LA_ZERO 606 # endif 607 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 608 # undef WIFEXITED 609 # undef WEXITSTATUS 610 #endif 611 612 613 /* 614 ** Encore UMAX V 615 ** 616 ** Not extensively tested. 617 */ 618 619 #ifdef UMAXV 620 # include <limits.h> 621 # define HASUNAME 1 /* use System V uname(2) system call */ 622 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 623 # define HASINITGROUPS 1 /* has initgroups(3) call */ 624 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 625 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 626 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 627 # define FORK fork /* no vfork(2) primitive available */ 628 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 629 # define MAXPATHLEN PATH_MAX 630 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 631 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 632 # undef WIFEXITED 633 # undef WEXITSTATUS 634 #endif 635 636 637 /* 638 ** Stardent Titan 3000 running TitanOS 4.2. 639 ** 640 ** Must be compiled in "cc -43" mode. 641 ** 642 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 643 ** 644 ** Note the tweaking below after the BSD defines are set. 645 */ 646 647 #ifdef titan 648 # define setpgid setpgrp 649 typedef int pid_t; 650 # undef WIFEXITED 651 # undef WEXITSTATUS 652 #endif 653 654 655 /* 656 ** Sequent DYNIX 3.2.0 657 ** 658 ** From Jim Davis <jdavis@cs.arizona.edu>. 659 */ 660 661 #ifdef sequent 662 # define BSD 1 663 # define HASUNSETENV 1 664 # define BSD4_3 1 /* to get signal() in conf.c */ 665 # define WAITUNION 1 666 # define LA_TYPE LA_FLOAT 667 # ifdef _POSIX_VERSION 668 # undef _POSIX_VERSION /* set in <unistd.h> */ 669 # endif 670 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 671 # define setpgid setpgrp 672 673 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 674 # undef WIFEXITED 675 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 676 ((union wait*)&(s))->w_termsig == 0) 677 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 678 typedef int pid_t; 679 # define isgraph(c) (isprint(c) && (c != ' ')) 680 681 # ifndef _PATH_UNIX 682 # define _PATH_UNIX "/dynix" 683 # endif 684 # ifndef _PATH_SENDMAILCF 685 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 686 # endif 687 688 #endif 689 690 691 /* 692 ** Cray Unicos 693 ** 694 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 695 */ 696 697 #ifdef UNICOS 698 # define SYSTEM5 1 /* include all the System V defines */ 699 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 700 # define MAXPATHLEN PATHSIZE 701 # define LA_TYPE LA_ZERO 702 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 703 #endif 704 705 706 /* 707 ** Apollo DomainOS 708 ** 709 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 710 ** 711 ** 15 Jan 1994 712 ** 713 */ 714 715 #ifdef apollo 716 # define HASSETREUID 1 /* has setreuid(2) call */ 717 # define HASINITGROUPS 1 /* has initgroups(2) call */ 718 # undef SETPROCTITLE 719 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 720 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 721 # ifndef _PATH_SENDMAILCF 722 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 723 # endif 724 # ifndef _PATH_SENDMAILPID 725 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 726 # endif 727 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 728 # undef S_IFIFO 729 # define S_IFIFO 0010000 730 # ifndef IDENTPROTO 731 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 732 # endif 733 #endif 734 735 736 737 738 /********************************************************************** 739 ** End of Per-Operating System defines 740 **********************************************************************/ 741 742 /********************************************************************** 743 ** More general defines 744 **********************************************************************/ 745 746 /* general BSD defines */ 747 #ifdef BSD 748 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 749 # define HASSETREUID 1 /* has setreuid(2) call */ 750 # define HASINITGROUPS 1 /* has initgroups(2) call */ 751 # ifndef HASFLOCK 752 # define HASFLOCK 1 /* has flock(2) call */ 753 # endif 754 #endif 755 756 /* general System V Release 4 defines */ 757 #ifdef __svr4__ 758 # define SYSTEM5 1 759 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 760 # ifndef HASGETUSERSHELL 761 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 762 # endif 763 # define setreuid(r, e) seteuid(e) 764 765 # ifndef _PATH_UNIX 766 # define _PATH_UNIX "/unix" 767 # endif 768 # ifndef _PATH_SENDMAILCF 769 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 770 # endif 771 # ifndef _PATH_SENDMAILPID 772 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 773 # endif 774 # ifndef SYSLOG_BUFSIZE 775 # define SYSLOG_BUFSIZE 128 776 # endif 777 #endif 778 779 /* general System V defines */ 780 # ifdef SYSTEM5 781 # include <sys/sysmacros.h> 782 # define HASUNAME 1 /* use System V uname(2) system call */ 783 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 784 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 785 # ifndef LA_TYPE 786 # define LA_TYPE LA_INT /* assume integer load average */ 787 # endif 788 # ifndef SFS_TYPE 789 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 790 # endif 791 # define bcopy(s, d, l) (memmove((d), (s), (l))) 792 # define bzero(d, l) (memset((d), '\0', (l))) 793 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 794 # endif 795 796 /* general POSIX defines */ 797 #ifdef _POSIX_VERSION 798 # define HASSETSID 1 /* has Posix setsid(2) call */ 799 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 800 #endif 801 802 /* 803 ** If no type for argument two of getgroups call is defined, assume 804 ** it's an integer -- unfortunately, there seem to be several choices 805 ** here. 806 */ 807 808 #ifndef GIDSET_T 809 # define GIDSET_T int 810 #endif 811 812 /* 813 ** Tweaking for systems that (for example) claim to be BSD but 814 ** don't have all the standard BSD routines (boo hiss). 815 */ 816 817 #ifdef titan 818 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 819 #endif 820 821 822 /* 823 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 824 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 825 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 826 ** are closed. Some firewalls return this error if you try to connect 827 ** to the IDENT port (113), so you can't receive email from these hosts 828 ** on these systems. The firewall really should use a more specific 829 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 830 ** not explicitly set to zero above, default it on. 831 */ 832 833 #ifndef IDENTPROTO 834 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 835 #endif 836 837 #ifndef HASGETUSERSHELL 838 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 839 #endif 840 841 #ifndef HASFLOCK 842 # define HASFLOCK 0 /* assume no flock(2) support */ 843 #endif 844 845 846 /********************************************************************** 847 ** Remaining definitions should never have to be changed. They are 848 ** primarily to provide back compatibility for older systems -- for 849 ** example, it includes some POSIX compatibility definitions 850 **********************************************************************/ 851 852 /* System 5 compatibility */ 853 #ifndef S_ISREG 854 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 855 #endif 856 #if !defined(S_ISLNK) && defined(S_IFLNK) 857 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 858 #endif 859 #ifndef S_IWGRP 860 #define S_IWGRP 020 861 #endif 862 #ifndef S_IWOTH 863 #define S_IWOTH 002 864 #endif 865 866 /* 867 ** Older systems don't have this error code -- it should be in 868 ** /usr/include/sysexits.h. 869 */ 870 871 # ifndef EX_CONFIG 872 # define EX_CONFIG 78 /* configuration error */ 873 # endif 874 875 /* pseudo-code used in server SMTP */ 876 # define EX_QUIT 22 /* drop out of server immediately */ 877 878 879 /* 880 ** These are used in a few cases where we need some special 881 ** error codes, but where the system doesn't provide something 882 ** reasonable. They are printed in errstring. 883 */ 884 885 #ifndef E_PSEUDOBASE 886 # define E_PSEUDOBASE 256 887 #endif 888 889 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 890 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 891 892 /* type of arbitrary pointer */ 893 #ifndef ARBPTR_T 894 # define ARBPTR_T void * 895 #endif 896 897 #ifndef __P 898 # include "cdefs.h" 899 #endif 900 901 /* 902 ** Do some required dependencies 903 */ 904 905 #if defined(NETINET) || defined(NETISO) 906 # define SMTP 1 /* enable user and server SMTP */ 907 # define QUEUE 1 /* enable queueing */ 908 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 909 #endif 910 911 912 /* 913 ** Arrange to use either varargs or stdargs 914 */ 915 916 # ifdef __STDC__ 917 918 # include <stdarg.h> 919 920 # define VA_LOCAL_DECL va_list ap; 921 # define VA_START(f) va_start(ap, f) 922 # define VA_END va_end(ap) 923 924 # else 925 926 # include <varargs.h> 927 928 # define VA_LOCAL_DECL va_list ap; 929 # define VA_START(f) va_start(ap) 930 # define VA_END va_end(ap) 931 932 # endif 933 934 #ifdef HASUNAME 935 # include <sys/utsname.h> 936 # ifdef newstr 937 # undef newstr 938 # endif 939 #else /* ! HASUNAME */ 940 # define NODE_LENGTH 32 941 struct utsname 942 { 943 char nodename[NODE_LENGTH+1]; 944 }; 945 #endif /* HASUNAME */ 946 947 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) 948 # define MAXHOSTNAMELEN 256 949 #endif 950 951 #if !defined(SIGCHLD) && defined(SIGCLD) 952 # define SIGCHLD SIGCLD 953 #endif 954 955 #ifndef STDIN_FILENO 956 #define STDIN_FILENO 0 957 #endif 958 959 #ifndef STDOUT_FILENO 960 #define STDOUT_FILENO 1 961 #endif 962 963 #ifndef STDERR_FILENO 964 #define STDERR_FILENO 2 965 #endif 966 967 #ifndef LOCK_SH 968 # define LOCK_SH 0x01 /* shared lock */ 969 # define LOCK_EX 0x02 /* exclusive lock */ 970 # define LOCK_NB 0x04 /* non-blocking lock */ 971 # define LOCK_UN 0x08 /* unlock */ 972 #endif 973 974 #ifndef SIG_ERR 975 # define SIG_ERR ((void (*)()) -1) 976 #endif 977 978 #ifndef WEXITSTATUS 979 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 980 #endif 981 #ifndef WIFEXITED 982 # define WIFEXITED(st) (((st) & 0377) == 0) 983 #endif 984 985 #ifndef SIGFUNC_DEFINED 986 typedef void (*sigfunc_t) __P((int)); 987 #endif 988 989 /* size of syslog buffer */ 990 #ifndef SYSLOG_BUFSIZE 991 # define SYSLOG_BUFSIZE 1024 992 #endif 993 994 /* 995 ** Size of tobuf (deliver.c) 996 ** Tweak this to match your syslog implementation. It will have to 997 ** allow for the extra information printed. 998 */ 999 1000 #ifndef TOBUFSIZE 1001 # if (SYSLOG_BUFSIZE) > 512 1002 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1003 # else 1004 # define TOBUFSIZE 256 1005 # endif 1006 #endif 1007 1008 /* 1009 ** Size of prescan buffer. 1010 ** Despite comments in the _sendmail_ book, this probably should 1011 ** not be changed; there are some hard-to-define dependencies. 1012 */ 1013 1014 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1015 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1016 # ifndef FORK 1017 # define FORK vfork /* function to call to fork mailer */ 1018 # endif 1019 1020 /* 1021 ** If we are going to link scanf anyway, use it in readcf 1022 */ 1023 1024 #if !defined(HASUNAME) && !defined(SCANF) 1025 # define SCANF 1 1026 #endif 1027