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 8.94 (Berkeley) 03/03/94 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 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 242 # ifndef IDENTPROTO 243 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 244 # endif 245 # undef SETPROCTITLE 246 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 247 248 /* these include files must be included early on DG/UX */ 249 # include <netinet/in.h> 250 # include <arpa/inet.h> 251 252 # define inet_addr dgux_inet_addr 253 extern long dgux_inet_addr(); 254 #endif 255 256 257 /* 258 ** Digital Ultrix 4.2A or 4.3 259 ** 260 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 261 ** not dropped when the process exits. This causes major problems, 262 ** so flock is the only alternative. 263 */ 264 265 #ifdef ultrix 266 # define HASSETREUID 1 /* has setreuid(2) call */ 267 # define HASUNSETENV 1 /* has unsetenv(3) call */ 268 # define HASINITGROUPS 1 /* has initgroups(3) call */ 269 # define HASUNAME 1 /* use System V uname(2) system call */ 270 # ifndef HASFLOCK 271 # define HASFLOCK 1 /* has flock(2) call */ 272 # endif 273 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 274 # ifdef vax 275 # define LA_TYPE LA_FLOAT 276 # else 277 # define LA_TYPE LA_INT 278 # define LA_AVENRUN "avenrun" 279 # endif 280 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 281 # ifndef IDENTPROTO 282 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 283 # endif 284 #endif 285 286 287 /* 288 ** OSF/1 (tested on Alpha) 289 */ 290 291 #ifdef __osf__ 292 # define HASUNSETENV 1 /* has unsetenv(3) call */ 293 # define HASSETREUID 1 /* has setreuid(2) call */ 294 # define HASINITGROUPS 1 /* has initgroups(3) call */ 295 # ifndef HASFLOCK 296 # define HASFLOCK 1 /* has flock(2) call */ 297 # endif 298 # define LA_TYPE LA_INT 299 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 300 # ifndef _PATH_SENDMAILPID 301 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 302 # endif 303 #endif 304 305 306 /* 307 ** NeXTstep 308 */ 309 310 #ifdef NeXT 311 # define HASINITGROUPS 1 /* has initgroups(3) call */ 312 # ifndef HASFLOCK 313 # define HASFLOCK 1 /* has flock(2) call */ 314 # endif 315 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 316 # define WAITUNION 1 /* use "union wait" as wait argument type */ 317 # define sleep sleepX 318 # define setpgid setpgrp 319 # ifndef LA_TYPE 320 # define LA_TYPE LA_MACH 321 # endif 322 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 323 # ifndef _POSIX_SOURCE 324 typedef int pid_t; 325 # undef WEXITSTATUS 326 # undef WIFEXITED 327 # endif 328 # ifndef _PATH_SENDMAILCF 329 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 330 # endif 331 # ifndef _PATH_SENDMAILPID 332 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 333 # endif 334 #endif 335 336 337 /* 338 ** 4.4 BSD 339 ** 340 ** See also BSD defines. 341 */ 342 343 #ifdef BSD4_4 344 # define HASUNSETENV 1 /* has unsetenv(3) call */ 345 # include <sys/cdefs.h> 346 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 347 # ifndef LA_TYPE 348 # define LA_TYPE LA_SUBR 349 # endif 350 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 351 #endif 352 353 354 /* 355 ** BSD/386 (all versions) 356 ** From Tony Sanders, BSDI 357 */ 358 359 #ifdef __bsdi__ 360 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 361 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 362 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 363 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 364 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 365 # else 366 # define SETPROCTITLE 1 367 # endif 368 # include <sys/cdefs.h> 369 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 370 # ifndef LA_TYPE 371 # define LA_TYPE LA_SUBR 372 # endif 373 #endif 374 375 376 377 /* 378 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 379 ** 380 ** 4.3BSD clone, closer to 4.4BSD 381 ** 382 ** See also BSD defines. 383 */ 384 385 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 386 # define HASUNSETENV 1 /* has unsetenv(3) call */ 387 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 388 # include <sys/cdefs.h> 389 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 390 # ifndef LA_TYPE 391 # define LA_TYPE LA_SUBR 392 # endif 393 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 394 #endif 395 396 397 /* 398 ** Mach386 399 ** 400 ** For mt Xinu's Mach386 system. 401 */ 402 403 #if defined(MACH) && defined(i386) 404 # define MACH386 1 405 # define HASUNSETENV 1 /* has unsetenv(3) call */ 406 # define HASINITGROUPS 1 /* has initgroups(3) call */ 407 # ifndef HASFLOCK 408 # define HASFLOCK 1 /* has flock(2) call */ 409 # endif 410 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 411 # define NEEDSTRTOL 1 /* need the strtol() function */ 412 # define setpgid setpgrp 413 # ifndef LA_TYPE 414 # define LA_TYPE LA_FLOAT 415 # endif 416 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 417 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 418 # undef WEXITSTATUS 419 # undef WIFEXITED 420 # ifndef _PATH_SENDMAILCF 421 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 422 # endif 423 # ifndef _PATH_SENDMAILPID 424 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 425 # endif 426 #endif 427 428 429 /* 430 ** 4.3 BSD -- this is for very old systems 431 ** 432 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 433 ** 434 ** You'll also have to install a new resolver library. 435 ** I don't guarantee that support for this environment is complete. 436 */ 437 438 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 439 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 440 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 441 # define ARBPTR_T char * 442 # define setpgid setpgrp 443 # ifndef LA_TYPE 444 # define LA_TYPE LA_FLOAT 445 # endif 446 # ifndef _PATH_SENDMAILCF 447 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 448 # endif 449 # ifndef IDENTPROTO 450 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 451 # endif 452 # undef WEXITSTATUS 453 # undef WIFEXITED 454 typedef short pid_t; 455 extern int errno; 456 #endif 457 458 459 /* 460 ** SCO Unix 461 ** 462 ** This includes two parts -- the first is for SCO Open Server 3.2v4 463 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 464 ** The second is, I believe, for an older version. 465 */ 466 467 #ifdef _SCO_unix_4_2 468 # define _SCO_unix_ 469 # define HASSETREUID 1 /* has setreuid(2) call */ 470 # define _PATH_UNIX "/unix" 471 # ifndef _PATH_SENDMAILCF 472 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 473 # endif 474 # ifndef _PATH_SENDMAILPID 475 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 476 # endif 477 #endif 478 479 #ifdef _SCO_unix_ 480 # define SYSTEM5 1 /* include all the System V defines */ 481 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 482 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 483 # define FORK fork 484 # define MAXPATHLEN PATHSIZE 485 # define LA_TYPE LA_SHORT 486 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 487 # undef NETUNIX /* no unix domain socket support */ 488 #endif 489 490 491 /* 492 ** ConvexOS 11.0 and later 493 ** 494 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 495 ** works on 9.1 as well. 496 */ 497 498 #ifdef _CONVEX_SOURCE 499 # define BSD 1 /* include all the BSD defines */ 500 # define HASUNAME 1 /* use System V uname(2) system call */ 501 # define HASSETSID 1 /* has POSIX setsid(2) call */ 502 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 503 # define LA_TYPE LA_FLOAT 504 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 505 # ifndef _PATH_SENDMAILCF 506 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 507 # endif 508 # ifndef S_IREAD 509 # define S_IREAD _S_IREAD 510 # define S_IWRITE _S_IWRITE 511 # define S_IEXEC _S_IEXEC 512 # define S_IFMT _S_IFMT 513 # define S_IFCHR _S_IFCHR 514 # define S_IFBLK _S_IFBLK 515 # endif 516 # ifndef IDENTPROTO 517 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 518 # endif 519 #endif 520 521 522 /* 523 ** RISC/os 4.52 524 ** 525 ** Gives a ton of warning messages, but otherwise compiles. 526 */ 527 528 #ifdef RISCOS 529 530 # define HASUNSETENV 1 /* has unsetenv(3) call */ 531 # ifndef HASFLOCK 532 # define HASFLOCK 1 /* has flock(2) call */ 533 # endif 534 # define WAITUNION 1 /* use "union wait" as wait argument type */ 535 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 536 # define LA_TYPE LA_INT 537 # define LA_AVENRUN "avenrun" 538 # define _PATH_UNIX "/unix" 539 # undef WIFEXITED 540 541 # define setpgid setpgrp 542 543 extern int errno; 544 typedef int pid_t; 545 #define SIGFUNC_DEFINED 546 typedef int (*sigfunc_t)(); 547 extern char *getenv(); 548 extern void *malloc(); 549 550 #endif 551 552 553 /* 554 ** Linux 0.99pl10 and above... 555 ** 556 ** Thanks to, in reverse order of contact: 557 ** 558 ** John Kennedy <warlock@csuchico.edu> 559 ** Florian La Roche <rzsfl@rz.uni-sb.de> 560 ** Karl London <karl@borg.demon.co.uk> 561 ** 562 ** Last compiled against: [03/02/94 @ 05:34 PM (Wednesday)] 563 ** sendmail 8.6.6.b9 named 4.9.2-931205-p1 db-1.73 564 ** gcc 2.5.8 libc.so.4.5.19 565 ** slackware 1.1.2 linux 0.99.15 566 */ 567 568 #ifdef __linux__ 569 # define BSD 1 /* include BSD defines */ 570 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 571 # define HASUNAME 1 /* use System V uname(2) system call */ 572 # define HASUNSETENV 1 /* has unsetenv(3) call */ 573 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 574 # define GIDSET_T gid_t /* from <linux/types.h> */ 575 # ifndef LA_TYPE 576 # define LA_TYPE LA_PROCSTR 577 # endif 578 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 579 # include <sys/sysmacros.h> 580 # undef atol /* wounded in <stdlib.h> */ 581 #endif 582 583 584 /* 585 ** DELL SVR4 Issue 2.2, and others 586 ** From Kimmo Suominen <kim@grendel.lut.fi> 587 ** 588 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 589 ** defined, and the definitions conflict. 590 ** 591 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 592 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 593 ** (SVR4.0/386 version 3.0). 594 */ 595 596 #ifdef DELL_SVR4 597 /* no changes necessary */ 598 /* see general __svr4__ defines below */ 599 #endif 600 601 602 /* 603 ** Apple A/UX 3.0 604 */ 605 606 #ifdef _AUX_SOURCE 607 # include <sys/sysmacros.h> 608 # define BSD /* has BSD routines */ 609 # define HASUNAME 1 /* use System V uname(2) system call */ 610 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 611 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 612 # ifndef IDENTPROTO 613 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 614 # endif 615 # define FORK fork 616 # ifndef _PATH_SENDMAILCF 617 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 618 # endif 619 # ifndef LA_TYPE 620 # define LA_TYPE LA_ZERO 621 # endif 622 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 623 # undef WIFEXITED 624 # undef WEXITSTATUS 625 #endif 626 627 628 /* 629 ** Encore UMAX V 630 ** 631 ** Not extensively tested. 632 */ 633 634 #ifdef UMAXV 635 # include <limits.h> 636 # define HASUNAME 1 /* use System V uname(2) system call */ 637 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 638 # define HASINITGROUPS 1 /* has initgroups(3) call */ 639 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 640 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 641 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 642 # define FORK fork /* no vfork(2) primitive available */ 643 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 644 # define MAXPATHLEN PATH_MAX 645 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 646 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 647 # undef WIFEXITED 648 # undef WEXITSTATUS 649 #endif 650 651 652 /* 653 ** Stardent Titan 3000 running TitanOS 4.2. 654 ** 655 ** Must be compiled in "cc -43" mode. 656 ** 657 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 658 ** 659 ** Note the tweaking below after the BSD defines are set. 660 */ 661 662 #ifdef titan 663 # define setpgid setpgrp 664 typedef int pid_t; 665 # undef WIFEXITED 666 # undef WEXITSTATUS 667 #endif 668 669 670 /* 671 ** Sequent DYNIX 3.2.0 672 ** 673 ** From Jim Davis <jdavis@cs.arizona.edu>. 674 */ 675 676 #ifdef sequent 677 678 # define BSD 1 679 # define HASUNSETENV 1 680 # define BSD4_3 1 /* to get signal() in conf.c */ 681 # define WAITUNION 1 682 # define LA_TYPE LA_FLOAT 683 # ifdef _POSIX_VERSION 684 # undef _POSIX_VERSION /* set in <unistd.h> */ 685 # endif 686 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 687 # define setpgid setpgrp 688 689 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 690 # undef WIFEXITED 691 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 692 ((union wait*)&(s))->w_termsig == 0) 693 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 694 typedef int pid_t; 695 # define isgraph(c) (isprint(c) && (c != ' ')) 696 697 # ifndef IDENTPROTO 698 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 699 # endif 700 701 # ifndef _PATH_UNIX 702 # define _PATH_UNIX "/dynix" 703 # endif 704 # ifndef _PATH_SENDMAILCF 705 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 706 # endif 707 708 #endif 709 710 711 /* 712 ** Sequent DYNIX/ptx v2.0 (and higher) 713 ** 714 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 715 ** 716 ** From Tim Wright <timw@sequent.com>. 717 */ 718 719 #ifdef _SEQUENT_ 720 # define SYSTEM5 1 /* include all the System V defines */ 721 # define HASSETSID 1 /* has POSIX setsid(2) call */ 722 # define HASINITGROUPS 1 /* has initgroups(3) call */ 723 # define HASSETREUID 1 /* has setreuid(2) call */ 724 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 725 # define GIDSET_T gid_t 726 # define LA_TYPE LA_INT 727 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 728 # undef SETPROCTITLE 729 # ifndef IDENTPROTO 730 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 731 # endif 732 # ifndef _PATH_SENDMAILCF 733 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 734 # endif 735 # ifndef _PATH_SENDMAILPID 736 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 737 # endif 738 #endif 739 740 741 /* 742 ** Cray Unicos 743 ** 744 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 745 */ 746 747 #ifdef UNICOS 748 # define SYSTEM5 1 /* include all the System V defines */ 749 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 750 # define MAXPATHLEN PATHSIZE 751 # define LA_TYPE LA_ZERO 752 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 753 #endif 754 755 756 /* 757 ** Apollo DomainOS 758 ** 759 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 760 ** 761 ** 15 Jan 1994 762 ** 763 */ 764 765 #ifdef apollo 766 # define HASSETREUID 1 /* has setreuid(2) call */ 767 # define HASINITGROUPS 1 /* has initgroups(2) call */ 768 # undef SETPROCTITLE 769 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 770 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 771 # ifndef _PATH_SENDMAILCF 772 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 773 # endif 774 # ifndef _PATH_SENDMAILPID 775 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 776 # endif 777 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 778 # undef S_IFIFO 779 # define S_IFIFO 0010000 780 # ifndef IDENTPROTO 781 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 782 # endif 783 #endif 784 785 786 787 788 /********************************************************************** 789 ** End of Per-Operating System defines 790 **********************************************************************/ 791 792 /********************************************************************** 793 ** More general defines 794 **********************************************************************/ 795 796 /* general BSD defines */ 797 #ifdef BSD 798 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 799 # define HASSETREUID 1 /* has setreuid(2) call */ 800 # define HASINITGROUPS 1 /* has initgroups(2) call */ 801 # ifndef HASFLOCK 802 # define HASFLOCK 1 /* has flock(2) call */ 803 # endif 804 #endif 805 806 /* general System V Release 4 defines */ 807 #ifdef __svr4__ 808 # define SYSTEM5 1 809 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 810 # ifndef HASGETUSERSHELL 811 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 812 # endif 813 # define setreuid(r, e) seteuid(e) 814 815 # ifndef _PATH_UNIX 816 # define _PATH_UNIX "/unix" 817 # endif 818 # ifndef _PATH_SENDMAILCF 819 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 820 # endif 821 # ifndef _PATH_SENDMAILPID 822 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 823 # endif 824 # ifndef SYSLOG_BUFSIZE 825 # define SYSLOG_BUFSIZE 128 826 # endif 827 #endif 828 829 /* general System V defines */ 830 #ifdef SYSTEM5 831 # include <sys/sysmacros.h> 832 # define HASUNAME 1 /* use System V uname(2) system call */ 833 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 834 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 835 # ifndef LA_TYPE 836 # define LA_TYPE LA_INT /* assume integer load average */ 837 # endif 838 # ifndef SFS_TYPE 839 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 840 # endif 841 # define bcopy(s, d, l) (memmove((d), (s), (l))) 842 # define bzero(d, l) (memset((d), '\0', (l))) 843 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 844 #endif 845 846 /* general POSIX defines */ 847 #ifdef _POSIX_VERSION 848 # define HASSETSID 1 /* has Posix setsid(2) call */ 849 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 850 #endif 851 852 /* 853 ** If no type for argument two of getgroups call is defined, assume 854 ** it's an integer -- unfortunately, there seem to be several choices 855 ** here. 856 */ 857 858 #ifndef GIDSET_T 859 # define GIDSET_T int 860 #endif 861 862 /* 863 ** Tweaking for systems that (for example) claim to be BSD but 864 ** don't have all the standard BSD routines (boo hiss). 865 */ 866 867 #ifdef titan 868 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 869 #endif 870 871 872 /* 873 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 874 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 875 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 876 ** are closed. Some firewalls return this error if you try to connect 877 ** to the IDENT port (113), so you can't receive email from these hosts 878 ** on these systems. The firewall really should use a more specific 879 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 880 ** not explicitly set to zero above, default it on. 881 */ 882 883 #ifndef IDENTPROTO 884 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 885 #endif 886 887 #ifndef HASGETUSERSHELL 888 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 889 #endif 890 891 #ifndef HASFLOCK 892 # define HASFLOCK 0 /* assume no flock(2) support */ 893 #endif 894 895 896 /********************************************************************** 897 ** Remaining definitions should never have to be changed. They are 898 ** primarily to provide back compatibility for older systems -- for 899 ** example, it includes some POSIX compatibility definitions 900 **********************************************************************/ 901 902 /* System 5 compatibility */ 903 #ifndef S_ISREG 904 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 905 #endif 906 #if !defined(S_ISLNK) && defined(S_IFLNK) 907 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 908 #endif 909 #ifndef S_IWGRP 910 #define S_IWGRP 020 911 #endif 912 #ifndef S_IWOTH 913 #define S_IWOTH 002 914 #endif 915 916 /* 917 ** Older systems don't have this error code -- it should be in 918 ** /usr/include/sysexits.h. 919 */ 920 921 # ifndef EX_CONFIG 922 # define EX_CONFIG 78 /* configuration error */ 923 # endif 924 925 /* pseudo-code used in server SMTP */ 926 # define EX_QUIT 22 /* drop out of server immediately */ 927 928 929 /* 930 ** These are used in a few cases where we need some special 931 ** error codes, but where the system doesn't provide something 932 ** reasonable. They are printed in errstring. 933 */ 934 935 #ifndef E_PSEUDOBASE 936 # define E_PSEUDOBASE 256 937 #endif 938 939 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 940 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 941 942 /* type of arbitrary pointer */ 943 #ifndef ARBPTR_T 944 # define ARBPTR_T void * 945 #endif 946 947 #ifndef __P 948 # include "cdefs.h" 949 #endif 950 951 /* 952 ** Do some required dependencies 953 */ 954 955 #if defined(NETINET) || defined(NETISO) 956 # define SMTP 1 /* enable user and server SMTP */ 957 # define QUEUE 1 /* enable queueing */ 958 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 959 #endif 960 961 962 /* 963 ** Arrange to use either varargs or stdargs 964 */ 965 966 # ifdef __STDC__ 967 968 # include <stdarg.h> 969 970 # define VA_LOCAL_DECL va_list ap; 971 # define VA_START(f) va_start(ap, f) 972 # define VA_END va_end(ap) 973 974 # else 975 976 # include <varargs.h> 977 978 # define VA_LOCAL_DECL va_list ap; 979 # define VA_START(f) va_start(ap) 980 # define VA_END va_end(ap) 981 982 # endif 983 984 #ifdef HASUNAME 985 # include <sys/utsname.h> 986 # ifdef newstr 987 # undef newstr 988 # endif 989 #else /* ! HASUNAME */ 990 # define NODE_LENGTH 32 991 struct utsname 992 { 993 char nodename[NODE_LENGTH+1]; 994 }; 995 #endif /* HASUNAME */ 996 997 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) 998 # define MAXHOSTNAMELEN 256 999 #endif 1000 1001 #if !defined(SIGCHLD) && defined(SIGCLD) 1002 # define SIGCHLD SIGCLD 1003 #endif 1004 1005 #ifndef STDIN_FILENO 1006 #define STDIN_FILENO 0 1007 #endif 1008 1009 #ifndef STDOUT_FILENO 1010 #define STDOUT_FILENO 1 1011 #endif 1012 1013 #ifndef STDERR_FILENO 1014 #define STDERR_FILENO 2 1015 #endif 1016 1017 #ifndef LOCK_SH 1018 # define LOCK_SH 0x01 /* shared lock */ 1019 # define LOCK_EX 0x02 /* exclusive lock */ 1020 # define LOCK_NB 0x04 /* non-blocking lock */ 1021 # define LOCK_UN 0x08 /* unlock */ 1022 #endif 1023 1024 #ifndef SIG_ERR 1025 # define SIG_ERR ((void (*)()) -1) 1026 #endif 1027 1028 #ifndef WEXITSTATUS 1029 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1030 #endif 1031 #ifndef WIFEXITED 1032 # define WIFEXITED(st) (((st) & 0377) == 0) 1033 #endif 1034 1035 #ifndef SIGFUNC_DEFINED 1036 typedef void (*sigfunc_t) __P((int)); 1037 #endif 1038 1039 /* size of syslog buffer */ 1040 #ifndef SYSLOG_BUFSIZE 1041 # define SYSLOG_BUFSIZE 1024 1042 #endif 1043 1044 /* 1045 ** Size of tobuf (deliver.c) 1046 ** Tweak this to match your syslog implementation. It will have to 1047 ** allow for the extra information printed. 1048 */ 1049 1050 #ifndef TOBUFSIZE 1051 # if (SYSLOG_BUFSIZE) > 512 1052 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1053 # else 1054 # define TOBUFSIZE 256 1055 # endif 1056 #endif 1057 1058 /* 1059 ** Size of prescan buffer. 1060 ** Despite comments in the _sendmail_ book, this probably should 1061 ** not be changed; there are some hard-to-define dependencies. 1062 */ 1063 1064 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1065 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1066 # ifndef FORK 1067 # define FORK vfork /* function to call to fork mailer */ 1068 # endif 1069 1070 /* 1071 ** If we are going to link scanf anyway, use it in readcf 1072 */ 1073 1074 #if !defined(HASUNAME) && !defined(SCANF) 1075 # define SCANF 1 1076 #endif 1077