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 8.117 (Berkeley) 08/21/94 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 # define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */ 42 # define MAXTOCLASS 8 /* max # of message timeout classes */ 43 44 # ifndef QUEUESIZE 45 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 46 # endif 47 48 /********************************************************************** 49 ** Compilation options. 50 ** 51 ** #define these if they are available; comment them out otherwise. 52 **********************************************************************/ 53 54 # define LOG 1 /* enable logging */ 55 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 56 # define NETUNIX 1 /* include unix domain support */ 57 # define NETINET 1 /* include internet support */ 58 # define SETPROCTITLE 1 /* munge argv to display current status */ 59 # define MATCHGECOS 1 /* match user names from gecos field */ 60 # define XDEBUG 1 /* enable extended debugging */ 61 # ifdef NEWDB 62 # define USERDB 1 /* look in user database (requires NEWDB) */ 63 # endif 64 65 /********************************************************************** 66 ** 0/1 Compilation options. 67 ** #define these to 1 if they are available; 68 ** #define them to 0 otherwise. 69 **********************************************************************/ 70 71 # ifndef NAMED_BIND 72 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 73 # endif 74 75 /* 76 ** Most systems have symbolic links today, so default them on. You 77 ** can turn them off by #undef'ing this below. 78 */ 79 80 # define HASLSTAT 1 /* has lstat(2) call */ 81 82 /* 83 ** General "standard C" defines. 84 ** 85 ** These may be undone later, to cope with systems that claim to 86 ** be Standard C but aren't. Gcc is the biggest offender -- it 87 ** doesn't realize that the library is part of the language. 88 ** 89 ** Life would be much easier if we could get rid of this sort 90 ** of bozo problems. 91 */ 92 93 #ifdef __STDC__ 94 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 95 #endif 96 97 /********************************************************************** 98 ** Operating system configuration. 99 ** 100 ** Unless you are porting to a new OS, you shouldn't have to 101 ** change these. 102 **********************************************************************/ 103 104 /* 105 ** Per-Operating System defines 106 */ 107 108 109 /* 110 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 111 */ 112 113 #ifdef __hpux 114 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 115 # undef m_flags 116 # define SYSTEM5 1 /* include all the System V defines */ 117 # define HASINITGROUPS 1 /* has initgroups(3) call */ 118 # define HASSETREUID 1 /* has setreuid(2) call */ 119 # define setreuid(r, e) setresuid(r, e, -1) 120 # define LA_TYPE LA_FLOAT 121 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 122 # define GIDSET_T gid_t 123 # define _PATH_UNIX "/hp-ux" 124 # ifndef _PATH_SENDMAILCF 125 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 126 # endif 127 # ifndef IDENTPROTO 128 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 129 # endif 130 # ifndef HASGETUSERSHELL 131 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 132 # endif 133 # define syslog hard_syslog 134 # ifdef __STDC__ 135 extern int syslog(int, char *, ...); 136 # endif 137 #endif 138 139 140 /* 141 ** IBM AIX 3.x -- actually tested for 3.2.3 142 */ 143 144 #ifdef _AIX3 145 # define HASINITGROUPS 1 /* has initgroups(3) call */ 146 # define HASUNAME 1 /* use System V uname(2) system call */ 147 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 148 # define FORK fork /* no vfork primitive available */ 149 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 150 #endif 151 152 153 /* 154 ** Silicon Graphics IRIX 155 ** 156 ** Compiles on 4.0.1. 157 */ 158 159 #ifdef IRIX 160 # define SYSTEM5 1 /* this is a System-V derived system */ 161 # define HASSETREUID 1 /* has setreuid(2) call */ 162 # define HASINITGROUPS 1 /* has initgroups(3) call */ 163 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 164 # define FORK fork /* no vfork primitive available */ 165 # define WAITUNION 1 /* use "union wait" as wait argument type */ 166 # define setpgid BSDsetpgrp 167 # define GIDSET_T gid_t 168 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 169 # define LA_TYPE LA_INT 170 # define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ 171 #endif 172 173 174 /* 175 ** SunOS and Solaris 176 ** 177 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 178 ** Solaris 2.2 (a.k.a. SunOS 5.2). 179 */ 180 181 #if defined(sun) && !defined(BSD) 182 183 # define HASINITGROUPS 1 /* has initgroups(3) call */ 184 # define HASUNAME 1 /* use System V uname(2) system call */ 185 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 186 # define LA_TYPE LA_INT 187 188 # ifdef SOLARIS_2_3 189 # define SOLARIS 190 # endif 191 192 # ifdef SOLARIS 193 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 194 # ifndef __svr4__ 195 # define __svr4__ /* use all System V Releae 4 defines below */ 196 # endif 197 # include <sys/time.h> 198 # define gethostbyname solaris_gethostbyname /* get working version */ 199 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 200 # define GIDSET_T gid_t 201 # ifndef _PATH_UNIX 202 # define _PATH_UNIX "/dev/ksyms" 203 # endif 204 # ifndef _PATH_SENDMAILCF 205 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 206 # endif 207 # ifndef _PATH_SENDMAILPID 208 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 209 # endif 210 # ifndef SYSLOG_BUFSIZE 211 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 212 # endif 213 214 # else 215 /* SunOS 4.0.3 or 4.1.x */ 216 # define HASSETREUID 1 /* has setreuid(2) call */ 217 # ifndef HASFLOCK 218 # define HASFLOCK 1 /* has flock(2) call */ 219 # endif 220 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 221 # include <vfork.h> 222 223 # ifdef SUNOS403 224 /* special tweaking for SunOS 4.0.3 */ 225 # include <malloc.h> 226 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 227 # define WAITUNION 1 /* use "union wait" as wait argument type */ 228 # undef WIFEXITED 229 # undef WEXITSTATUS 230 # undef HASUNAME 231 # define setpgid setpgrp 232 typedef int pid_t; 233 extern char *getenv(); 234 235 # else 236 /* 4.1.x specifics */ 237 # define HASSETSID 1 /* has Posix setsid(2) call */ 238 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 239 240 # endif 241 # endif 242 #endif 243 244 /* 245 ** DG/UX 246 ** 247 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 248 ** older support. 249 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 250 */ 251 252 #ifdef DGUX_5_4_2 253 # define DGUX 1 254 #endif 255 256 #ifdef DGUX 257 # define SYSTEM5 1 258 # define LA_TYPE LA_SUBR 259 # define HASSETREUID 1 /* has setreuid(2) call */ 260 # define HASUNAME 1 /* use System V uname(2) system call */ 261 # define HASSETSID 1 /* has Posix setsid(2) call */ 262 # define HASINITGROUPS 1 /* has initgroups(3) call */ 263 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 264 # ifndef IDENTPROTO 265 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 266 # endif 267 # undef SETPROCTITLE 268 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 269 270 /* these include files must be included early on DG/UX */ 271 # include <netinet/in.h> 272 # include <arpa/inet.h> 273 274 # ifdef DGUX_5_4_2 275 # define inet_addr dgux_inet_addr 276 extern long dgux_inet_addr(); 277 # endif 278 #endif 279 280 281 /* 282 ** Digital Ultrix 4.2A or 4.3 283 ** 284 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 285 ** not dropped when the process exits. This causes major problems, 286 ** so flock is the only alternative. 287 */ 288 289 #ifdef ultrix 290 # define HASSETREUID 1 /* has setreuid(2) call */ 291 # define HASUNSETENV 1 /* has unsetenv(3) call */ 292 # define HASINITGROUPS 1 /* has initgroups(3) call */ 293 # define HASUNAME 1 /* use System V uname(2) system call */ 294 # ifndef HASFLOCK 295 # define HASFLOCK 1 /* has flock(2) call */ 296 # endif 297 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 298 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 299 # ifdef vax 300 # define LA_TYPE LA_FLOAT 301 # else 302 # define LA_TYPE LA_INT 303 # define LA_AVENRUN "avenrun" 304 # endif 305 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 306 # ifndef IDENTPROTO 307 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 308 # endif 309 #endif 310 311 312 /* 313 ** OSF/1 (tested on Alpha) 314 */ 315 316 #ifdef __osf__ 317 # define HASUNSETENV 1 /* has unsetenv(3) call */ 318 # define HASSETREUID 1 /* has setreuid(2) call */ 319 # define HASINITGROUPS 1 /* has initgroups(3) call */ 320 # ifndef HASFLOCK 321 # define HASFLOCK 1 /* has flock(2) call */ 322 # endif 323 # define LA_TYPE LA_INT 324 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 325 # ifndef _PATH_SENDMAILPID 326 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 327 # endif 328 #endif 329 330 331 /* 332 ** NeXTstep 333 */ 334 335 #ifdef NeXT 336 # define HASINITGROUPS 1 /* has initgroups(3) call */ 337 # ifndef HASFLOCK 338 # define HASFLOCK 1 /* has flock(2) call */ 339 # endif 340 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 341 # define WAITUNION 1 /* use "union wait" as wait argument type */ 342 # define sleep sleepX 343 # define setpgid setpgrp 344 # ifndef LA_TYPE 345 # define LA_TYPE LA_MACH 346 # endif 347 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 348 # ifndef _POSIX_SOURCE 349 typedef int pid_t; 350 # undef WEXITSTATUS 351 # undef WIFEXITED 352 # endif 353 # ifndef _PATH_SENDMAILCF 354 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 355 # endif 356 # ifndef _PATH_SENDMAILPID 357 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 358 # endif 359 #endif 360 361 362 /* 363 ** 4.4 BSD 364 ** 365 ** See also BSD defines. 366 */ 367 368 #ifdef BSD4_4 369 # define HASUNSETENV 1 /* has unsetenv(3) call */ 370 # include <sys/cdefs.h> 371 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 372 # ifndef LA_TYPE 373 # define LA_TYPE LA_SUBR 374 # endif 375 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 376 #endif 377 378 379 /* 380 ** BSD/386 (all versions) 381 ** From Tony Sanders, BSDI 382 */ 383 384 #ifdef __bsdi__ 385 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 386 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 387 # include <sys/cdefs.h> 388 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 389 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 390 # ifndef LA_TYPE 391 # define LA_TYPE LA_SUBR 392 # endif 393 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 394 /* version 1.1 or later */ 395 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 396 # undef SETPROCTITLE /* so don't redefine it in conf.c */ 397 # else 398 /* version 1.0 or earlier */ 399 # ifndef OLD_NEWDB 400 # define OLD_NEWDB 1 /* old version of newdb library */ 401 # endif 402 # endif 403 #endif 404 405 406 407 /* 408 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 409 ** 410 ** 4.3BSD clone, closer to 4.4BSD 411 ** 412 ** See also BSD defines. 413 */ 414 415 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 416 # define HASUNSETENV 1 /* has unsetenv(3) call */ 417 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 418 # ifdef __NetBSD__ 419 # define HASUNAME 1 /* has uname(2) syscall */ 420 # endif 421 # include <sys/cdefs.h> 422 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 423 # ifndef LA_TYPE 424 # define LA_TYPE LA_SUBR 425 # endif 426 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 427 #endif 428 429 430 /* 431 ** Mach386 432 ** 433 ** For mt Xinu's Mach386 system. 434 */ 435 436 #if defined(MACH) && defined(i386) 437 # define MACH386 1 438 # define HASUNSETENV 1 /* has unsetenv(3) call */ 439 # define HASINITGROUPS 1 /* has initgroups(3) call */ 440 # ifndef HASFLOCK 441 # define HASFLOCK 1 /* has flock(2) call */ 442 # endif 443 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 444 # define NEEDSTRTOL 1 /* need the strtol() function */ 445 # define setpgid setpgrp 446 # ifndef LA_TYPE 447 # define LA_TYPE LA_FLOAT 448 # endif 449 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 450 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 451 # undef WEXITSTATUS 452 # undef WIFEXITED 453 # ifndef _PATH_SENDMAILCF 454 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 455 # endif 456 # ifndef _PATH_SENDMAILPID 457 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 458 # endif 459 #endif 460 461 462 /* 463 ** 4.3 BSD -- this is for very old systems 464 ** 465 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 466 ** 467 ** You'll also have to install a new resolver library. 468 ** I don't guarantee that support for this environment is complete. 469 */ 470 471 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 472 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 473 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 474 # define ARBPTR_T char * 475 # define setpgid setpgrp 476 # ifndef LA_TYPE 477 # define LA_TYPE LA_FLOAT 478 # endif 479 # ifndef _PATH_SENDMAILCF 480 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 481 # endif 482 # ifndef IDENTPROTO 483 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 484 # endif 485 # undef WEXITSTATUS 486 # undef WIFEXITED 487 typedef short pid_t; 488 extern int errno; 489 #endif 490 491 492 /* 493 ** SCO Unix 494 ** 495 ** This includes two parts -- the first is for SCO Open Server 3.2v4 496 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 497 ** The second is, I believe, for an older version. 498 */ 499 500 #ifdef _SCO_unix_4_2 501 # define _SCO_unix_ 502 # define HASSETREUID 1 /* has setreuid(2) call */ 503 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 504 # define _PATH_UNIX "/unix" 505 # ifndef _PATH_SENDMAILCF 506 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 507 # endif 508 # ifndef _PATH_SENDMAILPID 509 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 510 # endif 511 #endif 512 513 #ifdef _SCO_unix_ 514 # define SYSTEM5 1 /* include all the System V defines */ 515 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 516 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 517 # define FORK fork 518 # define MAXPATHLEN PATHSIZE 519 # define LA_TYPE LA_SHORT 520 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 521 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 522 # undef NETUNIX /* no unix domain socket support */ 523 #endif 524 525 526 /* 527 ** ConvexOS 11.0 and later 528 ** 529 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 530 ** works on 9.1 as well. 531 */ 532 533 #ifdef _CONVEX_SOURCE 534 # define BSD 1 /* include all the BSD defines */ 535 # define HASUNAME 1 /* use System V uname(2) system call */ 536 # define HASSETSID 1 /* has POSIX setsid(2) call */ 537 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 538 # define LA_TYPE LA_FLOAT 539 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 540 # ifndef _PATH_SENDMAILCF 541 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 542 # endif 543 # ifndef S_IREAD 544 # define S_IREAD _S_IREAD 545 # define S_IWRITE _S_IWRITE 546 # define S_IEXEC _S_IEXEC 547 # define S_IFMT _S_IFMT 548 # define S_IFCHR _S_IFCHR 549 # define S_IFBLK _S_IFBLK 550 # endif 551 # ifndef IDENTPROTO 552 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 553 # endif 554 #endif 555 556 557 /* 558 ** RISC/os 4.52 559 ** 560 ** Gives a ton of warning messages, but otherwise compiles. 561 */ 562 563 #ifdef RISCOS 564 565 # define HASUNSETENV 1 /* has unsetenv(3) call */ 566 # ifndef HASFLOCK 567 # define HASFLOCK 1 /* has flock(2) call */ 568 # endif 569 # define WAITUNION 1 /* use "union wait" as wait argument type */ 570 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 571 # define LA_TYPE LA_INT 572 # define LA_AVENRUN "avenrun" 573 # define _PATH_UNIX "/unix" 574 # undef WIFEXITED 575 576 # define setpgid setpgrp 577 578 extern int errno; 579 typedef int pid_t; 580 #define SIGFUNC_DEFINED 581 typedef int (*sigfunc_t)(); 582 extern char *getenv(); 583 extern void *malloc(); 584 585 #endif 586 587 588 /* 589 ** Linux 0.99pl10 and above... 590 ** 591 ** Thanks to, in reverse order of contact: 592 ** 593 ** John Kennedy <warlock@csuchico.edu> 594 ** Florian La Roche <rzsfl@rz.uni-sb.de> 595 ** Karl London <karl@borg.demon.co.uk> 596 ** 597 ** Last compiled against: [03/02/94 @ 05:34 PM (Wednesday)] 598 ** sendmail 8.6.6.b9 named 4.9.2-931205-p1 db-1.73 599 ** gcc 2.5.8 libc.so.4.5.19 600 ** slackware 1.1.2 linux 0.99.15 601 */ 602 603 #ifdef __linux__ 604 # define BSD 1 /* include BSD defines */ 605 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 606 # define HASUNAME 1 /* use System V uname(2) system call */ 607 # define HASUNSETENV 1 /* has unsetenv(3) call */ 608 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 609 # define GIDSET_T gid_t /* from <linux/types.h> */ 610 # ifndef LA_TYPE 611 # define LA_TYPE LA_PROCSTR 612 # endif 613 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 614 # include <sys/sysmacros.h> 615 # undef atol /* wounded in <stdlib.h> */ 616 #endif 617 618 619 /* 620 ** DELL SVR4 Issue 2.2, and others 621 ** From Kimmo Suominen <kim@grendel.lut.fi> 622 ** 623 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 624 ** defined, and the definitions conflict. 625 ** 626 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 627 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 628 ** (SVR4.0/386 version 3.0). 629 */ 630 631 #ifdef DELL_SVR4 632 /* no changes necessary */ 633 /* see general __svr4__ defines below */ 634 #endif 635 636 637 /* 638 ** Apple A/UX 3.0 639 */ 640 641 #ifdef _AUX_SOURCE 642 # include <sys/sysmacros.h> 643 # define BSD /* has BSD routines */ 644 # define HASUNAME 1 /* use System V uname(2) system call */ 645 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 646 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 647 # ifndef IDENTPROTO 648 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 649 # endif 650 # define FORK fork 651 # ifndef _PATH_SENDMAILCF 652 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 653 # endif 654 # ifndef LA_TYPE 655 # define LA_TYPE LA_ZERO 656 # endif 657 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 658 # undef WIFEXITED 659 # undef WEXITSTATUS 660 #endif 661 662 663 /* 664 ** Encore UMAX V 665 ** 666 ** Not extensively tested. 667 */ 668 669 #ifdef UMAXV 670 # include <limits.h> 671 # define HASUNAME 1 /* use System V uname(2) system call */ 672 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 673 # define HASINITGROUPS 1 /* has initgroups(3) call */ 674 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 675 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 676 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 677 # define FORK fork /* no vfork(2) primitive available */ 678 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 679 # define MAXPATHLEN PATH_MAX 680 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 681 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 682 # undef WIFEXITED 683 # undef WEXITSTATUS 684 #endif 685 686 687 /* 688 ** Stardent Titan 3000 running TitanOS 4.2. 689 ** 690 ** Must be compiled in "cc -43" mode. 691 ** 692 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 693 ** 694 ** Note the tweaking below after the BSD defines are set. 695 */ 696 697 #ifdef titan 698 # define setpgid setpgrp 699 typedef int pid_t; 700 # undef WIFEXITED 701 # undef WEXITSTATUS 702 #endif 703 704 705 /* 706 ** Sequent DYNIX 3.2.0 707 ** 708 ** From Jim Davis <jdavis@cs.arizona.edu>. 709 */ 710 711 #ifdef sequent 712 713 # define BSD 1 714 # define HASUNSETENV 1 715 # define BSD4_3 1 /* to get signal() in conf.c */ 716 # define WAITUNION 1 717 # define LA_TYPE LA_FLOAT 718 # ifdef _POSIX_VERSION 719 # undef _POSIX_VERSION /* set in <unistd.h> */ 720 # endif 721 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 722 # define setpgid setpgrp 723 724 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 725 # undef WIFEXITED 726 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 727 ((union wait*)&(s))->w_termsig == 0) 728 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 729 typedef int pid_t; 730 # define isgraph(c) (isprint(c) && (c != ' ')) 731 732 # ifndef IDENTPROTO 733 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 734 # endif 735 736 # ifndef _PATH_UNIX 737 # define _PATH_UNIX "/dynix" 738 # endif 739 # ifndef _PATH_SENDMAILCF 740 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 741 # endif 742 743 #endif 744 745 746 /* 747 ** Sequent DYNIX/ptx v2.0 (and higher) 748 ** 749 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 750 ** 751 ** From Tim Wright <timw@sequent.com>. 752 */ 753 754 #ifdef _SEQUENT_ 755 # define SYSTEM5 1 /* include all the System V defines */ 756 # define HASSETSID 1 /* has POSIX setsid(2) call */ 757 # define HASINITGROUPS 1 /* has initgroups(3) call */ 758 # define HASSETREUID 1 /* has setreuid(2) call */ 759 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 760 # define GIDSET_T gid_t 761 # define LA_TYPE LA_INT 762 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 763 # undef SETPROCTITLE 764 # ifndef IDENTPROTO 765 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 766 # endif 767 # ifndef _PATH_SENDMAILCF 768 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 769 # endif 770 # ifndef _PATH_SENDMAILPID 771 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 772 # endif 773 #endif 774 775 776 /* 777 ** Cray Unicos 778 ** 779 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 780 */ 781 782 #ifdef UNICOS 783 # define SYSTEM5 1 /* include all the System V defines */ 784 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 785 # define MAXPATHLEN PATHSIZE 786 # define LA_TYPE LA_ZERO 787 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 788 #endif 789 790 791 /* 792 ** Apollo DomainOS 793 ** 794 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 795 ** 796 ** 15 Jan 1994 797 ** 798 */ 799 800 #ifdef apollo 801 # define HASSETREUID 1 /* has setreuid(2) call */ 802 # define HASINITGROUPS 1 /* has initgroups(2) call */ 803 # undef SETPROCTITLE 804 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 805 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 806 # ifndef _PATH_SENDMAILCF 807 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 808 # endif 809 # ifndef _PATH_SENDMAILPID 810 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 811 # endif 812 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 813 # undef S_IFIFO 814 # define S_IFIFO 0010000 815 # ifndef IDENTPROTO 816 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 817 # endif 818 #endif 819 820 821 /* 822 ** UnixWare 823 ** 824 ** From Evan Champion <evanc@spatial.synapse.org>. 825 */ 826 827 #ifdef UNIXWARE 828 # define SYSTEM5 1 829 # ifndef HASGETUSERSHELL 830 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 831 # endif 832 # define GIDSET_T int 833 # define SLEEP_T int 834 # define SFS_TYPE SFS_STATVFS 835 # define LA_TYPE LA_ZERO 836 # undef WIFEXITED 837 # undef WEXITSTATUS 838 # define _PATH_UNIX "/unix" 839 # ifndef _PATH_SENDMAILCF 840 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 841 # endif 842 # ifndef _PATH_SENDMAILPID 843 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 844 # endif 845 # define SYSLOG_BUFSIZE 128 846 #endif 847 848 849 /* 850 ** Intergraph CLIX 3.1 851 ** 852 ** From Paul Southworth <pauls@locust.cic.net> 853 */ 854 855 #ifdef CLIX 856 # define SYSTEM5 1 /* looks like System V */ 857 # ifndef HASGETUSERSHELL 858 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 859 # endif 860 # define DEV_BSIZE 512 /* device block size not defined */ 861 # define GIDSET_T gid_t 862 # undef LOG /* syslog not available */ 863 # define NEEDFSYNC 1 /* no fsync in system library */ 864 # define GETSHORT _getshort 865 #endif 866 867 868 /* 869 ** NCR 3000 Series (SysVr4) 870 ** 871 ** From Kevin Darcy <kevin@tech.mis.cfc.com>. 872 */ 873 874 #ifdef NCR3000 875 # define __svr4__ 876 # undef BSD 877 # define LA_AVENRUN "avenrun" 878 #endif 879 880 881 /* 882 ** Tandem NonStop-UX SVR4 883 ** 884 ** From Rick McCarty <mccarty@mpd.tandem.com>. 885 */ 886 887 #ifdef NonStop_UX_BXX 888 # define __svr4__ 889 #endif 890 891 892 /* 893 ** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2. 894 ** 895 ** Tested for 1.04 and 1.03 896 ** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>. 897 */ 898 899 #ifdef __H3050R 900 # define SYSTEM5 1 /* include all the System V defines */ 901 # define HASINITGROUPS 1 /* has initgroups(3) call */ 902 # define setreuid(r, e) setresuid(r, e, -1) 903 # define LA_TYPE LA_FLOAT 904 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 905 # define HASSETVBUF /* HI-UX has no setlinebuf */ 906 # ifndef GIDSET_T 907 # define GIDSET_T gid_t 908 # endif 909 # ifndef _PATH_UNIX 910 # define _PATH_UNIX "/HI-UX" 911 # endif 912 # ifndef _PATH_SENDMAILCF 913 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 914 # endif 915 # ifndef IDENTPROTO 916 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 917 # endif 918 # ifndef HASGETUSERSHELL 919 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 920 # endif 921 922 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */ 923 # undef m_flags 924 925 # ifdef __STDC__ 926 extern int syslog(int, char *, ...); 927 # endif 928 929 #endif 930 931 932 933 /********************************************************************** 934 ** End of Per-Operating System defines 935 **********************************************************************/ 936 937 /********************************************************************** 938 ** More general defines 939 **********************************************************************/ 940 941 /* general BSD defines */ 942 #ifdef BSD 943 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 944 # define HASSETREUID 1 /* has setreuid(2) call */ 945 # define HASINITGROUPS 1 /* has initgroups(2) call */ 946 # ifndef HASSETRLIMIT 947 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 948 # endif 949 # ifndef HASFLOCK 950 # define HASFLOCK 1 /* has flock(2) call */ 951 # endif 952 # ifndef TZ_TYPE 953 # define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ 954 # endif 955 #endif 956 957 /* general System V Release 4 defines */ 958 #ifdef __svr4__ 959 # define SYSTEM5 1 960 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 961 # ifndef HASGETUSERSHELL 962 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 963 # endif 964 # define setreuid(r, e) seteuid(e) 965 966 # ifndef _PATH_UNIX 967 # define _PATH_UNIX "/unix" 968 # endif 969 # ifndef _PATH_SENDMAILCF 970 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 971 # endif 972 # ifndef _PATH_SENDMAILPID 973 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 974 # endif 975 # ifndef SYSLOG_BUFSIZE 976 # define SYSLOG_BUFSIZE 128 977 # endif 978 # ifndef SFS_TYPE 979 # define SFS_TYPE SFS_STATVFS 980 # endif 981 #endif 982 983 /* general System V defines */ 984 #ifdef SYSTEM5 985 # include <sys/sysmacros.h> 986 # define HASUNAME 1 /* use System V uname(2) system call */ 987 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 988 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 989 # ifndef HASULIMIT 990 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 991 # endif 992 # ifndef LA_TYPE 993 # define LA_TYPE LA_INT /* assume integer load average */ 994 # endif 995 # ifndef SFS_TYPE 996 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 997 # endif 998 # ifndef TZ_TYPE 999 # define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ 1000 # endif 1001 # define bcopy(s, d, l) (memmove((d), (s), (l))) 1002 # define bzero(d, l) (memset((d), '\0', (l))) 1003 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 1004 #endif 1005 1006 /* general POSIX defines */ 1007 #ifdef _POSIX_VERSION 1008 # define HASSETSID 1 /* has Posix setsid(2) call */ 1009 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 1010 #endif 1011 1012 /* 1013 ** If no type for argument two of getgroups call is defined, assume 1014 ** it's an integer -- unfortunately, there seem to be several choices 1015 ** here. 1016 */ 1017 1018 #ifndef GIDSET_T 1019 # define GIDSET_T int 1020 #endif 1021 1022 /* 1023 ** Tweaking for systems that (for example) claim to be BSD but 1024 ** don't have all the standard BSD routines (boo hiss). 1025 */ 1026 1027 #ifdef titan 1028 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 1029 #endif 1030 1031 1032 /* 1033 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 1034 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 1035 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 1036 ** are closed. Some firewalls return this error if you try to connect 1037 ** to the IDENT port (113), so you can't receive email from these hosts 1038 ** on these systems. The firewall really should use a more specific 1039 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 1040 ** not explicitly set to zero above, default it on. 1041 */ 1042 1043 #ifndef IDENTPROTO 1044 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 1045 #endif 1046 1047 #ifndef HASGETUSERSHELL 1048 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1049 #endif 1050 1051 #ifndef HASFLOCK 1052 # define HASFLOCK 0 /* assume no flock(2) support */ 1053 #endif 1054 1055 #ifndef HASSETRLIMIT 1056 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1057 #endif 1058 1059 #ifndef HASULIMIT 1060 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1061 #endif 1062 1063 #ifndef OLD_NEWDB 1064 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1065 #endif 1066 1067 1068 /********************************************************************** 1069 ** Remaining definitions should never have to be changed. They are 1070 ** primarily to provide back compatibility for older systems -- for 1071 ** example, it includes some POSIX compatibility definitions 1072 **********************************************************************/ 1073 1074 /* System 5 compatibility */ 1075 #ifndef S_ISREG 1076 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1077 #endif 1078 #if !defined(S_ISLNK) && defined(S_IFLNK) 1079 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1080 #endif 1081 #ifndef S_IWGRP 1082 #define S_IWGRP 020 1083 #endif 1084 #ifndef S_IWOTH 1085 #define S_IWOTH 002 1086 #endif 1087 1088 /* 1089 ** Older systems don't have this error code -- it should be in 1090 ** /usr/include/sysexits.h. 1091 */ 1092 1093 # ifndef EX_CONFIG 1094 # define EX_CONFIG 78 /* configuration error */ 1095 # endif 1096 1097 /* pseudo-code used in server SMTP */ 1098 # define EX_QUIT 22 /* drop out of server immediately */ 1099 1100 1101 /* 1102 ** These are used in a few cases where we need some special 1103 ** error codes, but where the system doesn't provide something 1104 ** reasonable. They are printed in errstring. 1105 */ 1106 1107 #ifndef E_PSEUDOBASE 1108 # define E_PSEUDOBASE 256 1109 #endif 1110 1111 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1112 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1113 1114 /* type of arbitrary pointer */ 1115 #ifndef ARBPTR_T 1116 # define ARBPTR_T void * 1117 #endif 1118 1119 #ifndef __P 1120 # include "cdefs.h" 1121 #endif 1122 1123 #if NAMED_BIND 1124 # include <arpa/nameser.h> 1125 # ifdef __svr4__ 1126 # ifdef NOERROR 1127 # undef NOERROR /* avoid compiler conflict with stream.h */ 1128 # endif 1129 # endif 1130 #endif 1131 1132 /* 1133 ** The size of an IP address -- can't use sizeof because of problems 1134 ** on Crays, where everything is 64 bits. This will break if/when 1135 ** IP addresses are expanded to eight bytes. 1136 */ 1137 1138 #ifndef INADDRSZ 1139 # define INADDRSZ 4 1140 #endif 1141 1142 /* 1143 ** The size of various known types -- for reading network protocols. 1144 ** Again, we can't use sizeof because of compiler randomness. 1145 */ 1146 1147 #ifndef INT16SZ 1148 # define INT16SZ 2 1149 #endif 1150 #ifndef INT32SZ 1151 # define INT32SZ 4 1152 #endif 1153 1154 /* 1155 ** Do some required dependencies 1156 */ 1157 1158 #if defined(NETINET) || defined(NETISO) 1159 # define SMTP 1 /* enable user and server SMTP */ 1160 # define QUEUE 1 /* enable queueing */ 1161 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1162 #endif 1163 1164 1165 /* 1166 ** Arrange to use either varargs or stdargs 1167 */ 1168 1169 # ifdef __STDC__ 1170 1171 # include <stdarg.h> 1172 1173 # define VA_LOCAL_DECL va_list ap; 1174 # define VA_START(f) va_start(ap, f) 1175 # define VA_END va_end(ap) 1176 1177 # else 1178 1179 # include <varargs.h> 1180 1181 # define VA_LOCAL_DECL va_list ap; 1182 # define VA_START(f) va_start(ap) 1183 # define VA_END va_end(ap) 1184 1185 # endif 1186 1187 #ifdef HASUNAME 1188 # include <sys/utsname.h> 1189 # ifdef newstr 1190 # undef newstr 1191 # endif 1192 #else /* ! HASUNAME */ 1193 # define NODE_LENGTH 32 1194 struct utsname 1195 { 1196 char nodename[NODE_LENGTH+1]; 1197 }; 1198 #endif /* HASUNAME */ 1199 1200 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) 1201 # define MAXHOSTNAMELEN 256 1202 #endif 1203 1204 #if !defined(SIGCHLD) && defined(SIGCLD) 1205 # define SIGCHLD SIGCLD 1206 #endif 1207 1208 #ifndef STDIN_FILENO 1209 #define STDIN_FILENO 0 1210 #endif 1211 1212 #ifndef STDOUT_FILENO 1213 #define STDOUT_FILENO 1 1214 #endif 1215 1216 #ifndef STDERR_FILENO 1217 #define STDERR_FILENO 2 1218 #endif 1219 1220 #ifndef LOCK_SH 1221 # define LOCK_SH 0x01 /* shared lock */ 1222 # define LOCK_EX 0x02 /* exclusive lock */ 1223 # define LOCK_NB 0x04 /* non-blocking lock */ 1224 # define LOCK_UN 0x08 /* unlock */ 1225 #endif 1226 1227 #ifndef SIG_ERR 1228 # define SIG_ERR ((void (*)()) -1) 1229 #endif 1230 1231 #ifndef WEXITSTATUS 1232 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1233 #endif 1234 #ifndef WIFEXITED 1235 # define WIFEXITED(st) (((st) & 0377) == 0) 1236 #endif 1237 1238 #ifndef SIGFUNC_DEFINED 1239 typedef void (*sigfunc_t) __P((int)); 1240 #endif 1241 1242 /* size of syslog buffer */ 1243 #ifndef SYSLOG_BUFSIZE 1244 # define SYSLOG_BUFSIZE 1024 1245 #endif 1246 1247 /* 1248 ** Size of tobuf (deliver.c) 1249 ** Tweak this to match your syslog implementation. It will have to 1250 ** allow for the extra information printed. 1251 */ 1252 1253 #ifndef TOBUFSIZE 1254 # if (SYSLOG_BUFSIZE) > 512 1255 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1256 # else 1257 # define TOBUFSIZE 256 1258 # endif 1259 #endif 1260 1261 /* 1262 ** Size of prescan buffer. 1263 ** Despite comments in the _sendmail_ book, this probably should 1264 ** not be changed; there are some hard-to-define dependencies. 1265 */ 1266 1267 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1268 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1269 # ifndef FORK 1270 # define FORK vfork /* function to call to fork mailer */ 1271 # endif 1272 1273 /* 1274 ** If we are going to link scanf anyway, use it in readcf 1275 */ 1276 1277 #if !defined(HASUNAME) && !defined(SCANF) 1278 # define SCANF 1 1279 #endif 1280