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 8.116 (Berkeley) 08/09/94 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 MATCHGECOS 1 /* match user names from gecos field */ 58 # define XDEBUG 1 /* enable extended debugging */ 59 # ifdef NEWDB 60 # define USERDB 1 /* look in user database (requires NEWDB) */ 61 # endif 62 63 /********************************************************************** 64 ** 0/1 Compilation options. 65 ** #define these to 1 if they are available; 66 ** #define them to 0 otherwise. 67 **********************************************************************/ 68 69 # ifndef NAMED_BIND 70 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 71 # endif 72 73 /* 74 ** Most systems have symbolic links today, so default them on. You 75 ** can turn them off by #undef'ing this below. 76 */ 77 78 # define HASLSTAT 1 /* has lstat(2) call */ 79 80 /* 81 ** General "standard C" defines. 82 ** 83 ** These may be undone later, to cope with systems that claim to 84 ** be Standard C but aren't. Gcc is the biggest offender -- it 85 ** doesn't realize that the library is part of the language. 86 ** 87 ** Life would be much easier if we could get rid of this sort 88 ** of bozo problems. 89 */ 90 91 #ifdef __STDC__ 92 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 93 #endif 94 95 /********************************************************************** 96 ** Operating system configuration. 97 ** 98 ** Unless you are porting to a new OS, you shouldn't have to 99 ** change these. 100 **********************************************************************/ 101 102 /* 103 ** Per-Operating System defines 104 */ 105 106 107 /* 108 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 109 */ 110 111 #ifdef __hpux 112 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 113 # undef m_flags 114 # define SYSTEM5 1 /* include all the System V defines */ 115 # define HASINITGROUPS 1 /* has initgroups(3) call */ 116 # define HASSETREUID 1 /* has setreuid(2) call */ 117 # define setreuid(r, e) setresuid(r, e, -1) 118 # define LA_TYPE LA_FLOAT 119 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 120 # define GIDSET_T gid_t 121 # define _PATH_UNIX "/hp-ux" 122 # ifndef _PATH_SENDMAILCF 123 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 124 # endif 125 # ifndef IDENTPROTO 126 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 127 # endif 128 # ifndef HASGETUSERSHELL 129 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 130 # endif 131 # define syslog hard_syslog 132 # ifdef __STDC__ 133 extern int syslog(int, char *, ...); 134 # endif 135 #endif 136 137 138 /* 139 ** IBM AIX 3.x -- actually tested for 3.2.3 140 */ 141 142 #ifdef _AIX3 143 # define HASINITGROUPS 1 /* has initgroups(3) call */ 144 # define HASUNAME 1 /* use System V uname(2) system call */ 145 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 146 # define FORK fork /* no vfork primitive available */ 147 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 148 #endif 149 150 151 /* 152 ** Silicon Graphics IRIX 153 ** 154 ** Compiles on 4.0.1. 155 */ 156 157 #ifdef IRIX 158 # define SYSTEM5 1 /* this is a System-V derived system */ 159 # define HASSETREUID 1 /* has setreuid(2) call */ 160 # define HASINITGROUPS 1 /* has initgroups(3) call */ 161 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 162 # define FORK fork /* no vfork primitive available */ 163 # define WAITUNION 1 /* use "union wait" as wait argument type */ 164 # define setpgid BSDsetpgrp 165 # define GIDSET_T gid_t 166 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 167 # define LA_TYPE LA_INT 168 # define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ 169 #endif 170 171 172 /* 173 ** SunOS and Solaris 174 ** 175 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 176 ** Solaris 2.2 (a.k.a. SunOS 5.2). 177 */ 178 179 #if defined(sun) && !defined(BSD) 180 181 # define HASINITGROUPS 1 /* has initgroups(3) call */ 182 # define HASUNAME 1 /* use System V uname(2) system call */ 183 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 184 # define LA_TYPE LA_INT 185 186 # ifdef SOLARIS_2_3 187 # define SOLARIS 188 # endif 189 190 # ifdef SOLARIS 191 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 192 # ifndef __svr4__ 193 # define __svr4__ /* use all System V Releae 4 defines below */ 194 # endif 195 # include <sys/time.h> 196 # define gethostbyname solaris_gethostbyname /* get working version */ 197 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 198 # define GIDSET_T gid_t 199 # ifndef _PATH_UNIX 200 # define _PATH_UNIX "/dev/ksyms" 201 # endif 202 # ifndef _PATH_SENDMAILCF 203 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 204 # endif 205 # ifndef _PATH_SENDMAILPID 206 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 207 # endif 208 # ifndef SYSLOG_BUFSIZE 209 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 210 # endif 211 212 # else 213 /* SunOS 4.0.3 or 4.1.x */ 214 # define HASSETREUID 1 /* has setreuid(2) call */ 215 # ifndef HASFLOCK 216 # define HASFLOCK 1 /* has flock(2) call */ 217 # endif 218 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 219 # include <vfork.h> 220 221 # ifdef SUNOS403 222 /* special tweaking for SunOS 4.0.3 */ 223 # include <malloc.h> 224 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 225 # define WAITUNION 1 /* use "union wait" as wait argument type */ 226 # undef WIFEXITED 227 # undef WEXITSTATUS 228 # undef HASUNAME 229 # define setpgid setpgrp 230 typedef int pid_t; 231 extern char *getenv(); 232 233 # else 234 /* 4.1.x specifics */ 235 # define HASSETSID 1 /* has Posix setsid(2) call */ 236 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 237 238 # endif 239 # endif 240 #endif 241 242 /* 243 ** DG/UX 244 ** 245 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 246 ** older support. 247 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 248 */ 249 250 #ifdef DGUX_5_4_2 251 # define DGUX 1 252 #endif 253 254 #ifdef DGUX 255 # define SYSTEM5 1 256 # define LA_TYPE LA_SUBR 257 # define HASSETREUID 1 /* has setreuid(2) call */ 258 # define HASUNAME 1 /* use System V uname(2) system call */ 259 # define HASSETSID 1 /* has Posix setsid(2) call */ 260 # define HASINITGROUPS 1 /* has initgroups(3) call */ 261 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 262 # ifndef IDENTPROTO 263 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 264 # endif 265 # undef SETPROCTITLE 266 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 267 268 /* these include files must be included early on DG/UX */ 269 # include <netinet/in.h> 270 # include <arpa/inet.h> 271 272 # ifdef DGUX_5_4_2 273 # define inet_addr dgux_inet_addr 274 extern long dgux_inet_addr(); 275 # endif 276 #endif 277 278 279 /* 280 ** Digital Ultrix 4.2A or 4.3 281 ** 282 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 283 ** not dropped when the process exits. This causes major problems, 284 ** so flock is the only alternative. 285 */ 286 287 #ifdef ultrix 288 # define HASSETREUID 1 /* has setreuid(2) call */ 289 # define HASUNSETENV 1 /* has unsetenv(3) call */ 290 # define HASINITGROUPS 1 /* has initgroups(3) call */ 291 # define HASUNAME 1 /* use System V uname(2) system call */ 292 # ifndef HASFLOCK 293 # define HASFLOCK 1 /* has flock(2) call */ 294 # endif 295 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 296 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 297 # ifdef vax 298 # define LA_TYPE LA_FLOAT 299 # else 300 # define LA_TYPE LA_INT 301 # define LA_AVENRUN "avenrun" 302 # endif 303 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 304 # ifndef IDENTPROTO 305 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 306 # endif 307 #endif 308 309 310 /* 311 ** OSF/1 (tested on Alpha) 312 */ 313 314 #ifdef __osf__ 315 # define HASUNSETENV 1 /* has unsetenv(3) call */ 316 # define HASSETREUID 1 /* has setreuid(2) call */ 317 # define HASINITGROUPS 1 /* has initgroups(3) call */ 318 # ifndef HASFLOCK 319 # define HASFLOCK 1 /* has flock(2) call */ 320 # endif 321 # define LA_TYPE LA_INT 322 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 323 # ifndef _PATH_SENDMAILPID 324 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 325 # endif 326 #endif 327 328 329 /* 330 ** NeXTstep 331 */ 332 333 #ifdef NeXT 334 # define HASINITGROUPS 1 /* has initgroups(3) call */ 335 # ifndef HASFLOCK 336 # define HASFLOCK 1 /* has flock(2) call */ 337 # endif 338 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 339 # define WAITUNION 1 /* use "union wait" as wait argument type */ 340 # define sleep sleepX 341 # define setpgid setpgrp 342 # ifndef LA_TYPE 343 # define LA_TYPE LA_MACH 344 # endif 345 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 346 # ifndef _POSIX_SOURCE 347 typedef int pid_t; 348 # undef WEXITSTATUS 349 # undef WIFEXITED 350 # endif 351 # ifndef _PATH_SENDMAILCF 352 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 353 # endif 354 # ifndef _PATH_SENDMAILPID 355 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 356 # endif 357 #endif 358 359 360 /* 361 ** 4.4 BSD 362 ** 363 ** See also BSD defines. 364 */ 365 366 #ifdef BSD4_4 367 # define HASUNSETENV 1 /* has unsetenv(3) call */ 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 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 374 #endif 375 376 377 /* 378 ** BSD/386 (all versions) 379 ** From Tony Sanders, BSDI 380 */ 381 382 #ifdef __bsdi__ 383 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 384 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 385 # include <sys/cdefs.h> 386 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 387 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 388 # ifndef LA_TYPE 389 # define LA_TYPE LA_SUBR 390 # endif 391 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 392 /* version 1.1 or later */ 393 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 394 # undef SETPROCTITLE /* so don't redefine it in conf.c */ 395 # else 396 /* version 1.0 or earlier */ 397 # ifndef OLD_NEWDB 398 # define OLD_NEWDB 1 /* old version of newdb library */ 399 # endif 400 # endif 401 #endif 402 403 404 405 /* 406 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 407 ** 408 ** 4.3BSD clone, closer to 4.4BSD 409 ** 410 ** See also BSD defines. 411 */ 412 413 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 414 # define HASUNSETENV 1 /* has unsetenv(3) call */ 415 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 416 # ifdef __NetBSD__ 417 # define HASUNAME 1 /* has uname(2) syscall */ 418 # endif 419 # include <sys/cdefs.h> 420 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 421 # ifndef LA_TYPE 422 # define LA_TYPE LA_SUBR 423 # endif 424 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 425 #endif 426 427 428 /* 429 ** Mach386 430 ** 431 ** For mt Xinu's Mach386 system. 432 */ 433 434 #if defined(MACH) && defined(i386) 435 # define MACH386 1 436 # define HASUNSETENV 1 /* has unsetenv(3) call */ 437 # define HASINITGROUPS 1 /* has initgroups(3) call */ 438 # ifndef HASFLOCK 439 # define HASFLOCK 1 /* has flock(2) call */ 440 # endif 441 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 442 # define NEEDSTRTOL 1 /* need the strtol() function */ 443 # define setpgid setpgrp 444 # ifndef LA_TYPE 445 # define LA_TYPE LA_FLOAT 446 # endif 447 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 448 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 449 # undef WEXITSTATUS 450 # undef WIFEXITED 451 # ifndef _PATH_SENDMAILCF 452 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 453 # endif 454 # ifndef _PATH_SENDMAILPID 455 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 456 # endif 457 #endif 458 459 460 /* 461 ** 4.3 BSD -- this is for very old systems 462 ** 463 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 464 ** 465 ** You'll also have to install a new resolver library. 466 ** I don't guarantee that support for this environment is complete. 467 */ 468 469 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 470 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 471 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 472 # define ARBPTR_T char * 473 # define setpgid setpgrp 474 # ifndef LA_TYPE 475 # define LA_TYPE LA_FLOAT 476 # endif 477 # ifndef _PATH_SENDMAILCF 478 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 479 # endif 480 # ifndef IDENTPROTO 481 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 482 # endif 483 # undef WEXITSTATUS 484 # undef WIFEXITED 485 typedef short pid_t; 486 extern int errno; 487 #endif 488 489 490 /* 491 ** SCO Unix 492 ** 493 ** This includes two parts -- the first is for SCO Open Server 3.2v4 494 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 495 ** The second is, I believe, for an older version. 496 */ 497 498 #ifdef _SCO_unix_4_2 499 # define _SCO_unix_ 500 # define HASSETREUID 1 /* has setreuid(2) call */ 501 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 502 # define _PATH_UNIX "/unix" 503 # ifndef _PATH_SENDMAILCF 504 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 505 # endif 506 # ifndef _PATH_SENDMAILPID 507 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 508 # endif 509 #endif 510 511 #ifdef _SCO_unix_ 512 # define SYSTEM5 1 /* include all the System V defines */ 513 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 514 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 515 # define FORK fork 516 # define MAXPATHLEN PATHSIZE 517 # define LA_TYPE LA_SHORT 518 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 519 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 520 # undef NETUNIX /* no unix domain socket support */ 521 #endif 522 523 524 /* 525 ** ConvexOS 11.0 and later 526 ** 527 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 528 ** works on 9.1 as well. 529 */ 530 531 #ifdef _CONVEX_SOURCE 532 # define BSD 1 /* include all the BSD defines */ 533 # define HASUNAME 1 /* use System V uname(2) system call */ 534 # define HASSETSID 1 /* has POSIX setsid(2) call */ 535 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 536 # define LA_TYPE LA_FLOAT 537 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 538 # ifndef _PATH_SENDMAILCF 539 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 540 # endif 541 # ifndef S_IREAD 542 # define S_IREAD _S_IREAD 543 # define S_IWRITE _S_IWRITE 544 # define S_IEXEC _S_IEXEC 545 # define S_IFMT _S_IFMT 546 # define S_IFCHR _S_IFCHR 547 # define S_IFBLK _S_IFBLK 548 # endif 549 # ifndef IDENTPROTO 550 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 551 # endif 552 #endif 553 554 555 /* 556 ** RISC/os 4.52 557 ** 558 ** Gives a ton of warning messages, but otherwise compiles. 559 */ 560 561 #ifdef RISCOS 562 563 # define HASUNSETENV 1 /* has unsetenv(3) call */ 564 # ifndef HASFLOCK 565 # define HASFLOCK 1 /* has flock(2) call */ 566 # endif 567 # define WAITUNION 1 /* use "union wait" as wait argument type */ 568 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 569 # define LA_TYPE LA_INT 570 # define LA_AVENRUN "avenrun" 571 # define _PATH_UNIX "/unix" 572 # undef WIFEXITED 573 574 # define setpgid setpgrp 575 576 extern int errno; 577 typedef int pid_t; 578 #define SIGFUNC_DEFINED 579 typedef int (*sigfunc_t)(); 580 extern char *getenv(); 581 extern void *malloc(); 582 583 #endif 584 585 586 /* 587 ** Linux 0.99pl10 and above... 588 ** 589 ** Thanks to, in reverse order of contact: 590 ** 591 ** John Kennedy <warlock@csuchico.edu> 592 ** Florian La Roche <rzsfl@rz.uni-sb.de> 593 ** Karl London <karl@borg.demon.co.uk> 594 ** 595 ** Last compiled against: [03/02/94 @ 05:34 PM (Wednesday)] 596 ** sendmail 8.6.6.b9 named 4.9.2-931205-p1 db-1.73 597 ** gcc 2.5.8 libc.so.4.5.19 598 ** slackware 1.1.2 linux 0.99.15 599 */ 600 601 #ifdef __linux__ 602 # define BSD 1 /* include BSD defines */ 603 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 604 # define HASUNAME 1 /* use System V uname(2) system call */ 605 # define HASUNSETENV 1 /* has unsetenv(3) call */ 606 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 607 # define GIDSET_T gid_t /* from <linux/types.h> */ 608 # ifndef LA_TYPE 609 # define LA_TYPE LA_PROCSTR 610 # endif 611 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 612 # include <sys/sysmacros.h> 613 # undef atol /* wounded in <stdlib.h> */ 614 #endif 615 616 617 /* 618 ** DELL SVR4 Issue 2.2, and others 619 ** From Kimmo Suominen <kim@grendel.lut.fi> 620 ** 621 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 622 ** defined, and the definitions conflict. 623 ** 624 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 625 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 626 ** (SVR4.0/386 version 3.0). 627 */ 628 629 #ifdef DELL_SVR4 630 /* no changes necessary */ 631 /* see general __svr4__ defines below */ 632 #endif 633 634 635 /* 636 ** Apple A/UX 3.0 637 */ 638 639 #ifdef _AUX_SOURCE 640 # include <sys/sysmacros.h> 641 # define BSD /* has BSD routines */ 642 # define HASUNAME 1 /* use System V uname(2) system call */ 643 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 644 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 645 # ifndef IDENTPROTO 646 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 647 # endif 648 # define FORK fork 649 # ifndef _PATH_SENDMAILCF 650 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 651 # endif 652 # ifndef LA_TYPE 653 # define LA_TYPE LA_ZERO 654 # endif 655 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 656 # undef WIFEXITED 657 # undef WEXITSTATUS 658 #endif 659 660 661 /* 662 ** Encore UMAX V 663 ** 664 ** Not extensively tested. 665 */ 666 667 #ifdef UMAXV 668 # include <limits.h> 669 # define HASUNAME 1 /* use System V uname(2) system call */ 670 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 671 # define HASINITGROUPS 1 /* has initgroups(3) call */ 672 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 673 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 674 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 675 # define FORK fork /* no vfork(2) primitive available */ 676 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 677 # define MAXPATHLEN PATH_MAX 678 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 679 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 680 # undef WIFEXITED 681 # undef WEXITSTATUS 682 #endif 683 684 685 /* 686 ** Stardent Titan 3000 running TitanOS 4.2. 687 ** 688 ** Must be compiled in "cc -43" mode. 689 ** 690 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 691 ** 692 ** Note the tweaking below after the BSD defines are set. 693 */ 694 695 #ifdef titan 696 # define setpgid setpgrp 697 typedef int pid_t; 698 # undef WIFEXITED 699 # undef WEXITSTATUS 700 #endif 701 702 703 /* 704 ** Sequent DYNIX 3.2.0 705 ** 706 ** From Jim Davis <jdavis@cs.arizona.edu>. 707 */ 708 709 #ifdef sequent 710 711 # define BSD 1 712 # define HASUNSETENV 1 713 # define BSD4_3 1 /* to get signal() in conf.c */ 714 # define WAITUNION 1 715 # define LA_TYPE LA_FLOAT 716 # ifdef _POSIX_VERSION 717 # undef _POSIX_VERSION /* set in <unistd.h> */ 718 # endif 719 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 720 # define setpgid setpgrp 721 722 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 723 # undef WIFEXITED 724 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 725 ((union wait*)&(s))->w_termsig == 0) 726 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 727 typedef int pid_t; 728 # define isgraph(c) (isprint(c) && (c != ' ')) 729 730 # ifndef IDENTPROTO 731 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 732 # endif 733 734 # ifndef _PATH_UNIX 735 # define _PATH_UNIX "/dynix" 736 # endif 737 # ifndef _PATH_SENDMAILCF 738 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 739 # endif 740 741 #endif 742 743 744 /* 745 ** Sequent DYNIX/ptx v2.0 (and higher) 746 ** 747 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 748 ** 749 ** From Tim Wright <timw@sequent.com>. 750 */ 751 752 #ifdef _SEQUENT_ 753 # define SYSTEM5 1 /* include all the System V defines */ 754 # define HASSETSID 1 /* has POSIX setsid(2) call */ 755 # define HASINITGROUPS 1 /* has initgroups(3) call */ 756 # define HASSETREUID 1 /* has setreuid(2) call */ 757 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 758 # define GIDSET_T gid_t 759 # define LA_TYPE LA_INT 760 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 761 # undef SETPROCTITLE 762 # ifndef IDENTPROTO 763 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 764 # endif 765 # ifndef _PATH_SENDMAILCF 766 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 767 # endif 768 # ifndef _PATH_SENDMAILPID 769 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 770 # endif 771 #endif 772 773 774 /* 775 ** Cray Unicos 776 ** 777 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 778 */ 779 780 #ifdef UNICOS 781 # define SYSTEM5 1 /* include all the System V defines */ 782 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 783 # define MAXPATHLEN PATHSIZE 784 # define LA_TYPE LA_ZERO 785 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 786 #endif 787 788 789 /* 790 ** Apollo DomainOS 791 ** 792 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 793 ** 794 ** 15 Jan 1994 795 ** 796 */ 797 798 #ifdef apollo 799 # define HASSETREUID 1 /* has setreuid(2) call */ 800 # define HASINITGROUPS 1 /* has initgroups(2) call */ 801 # undef SETPROCTITLE 802 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 803 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 804 # ifndef _PATH_SENDMAILCF 805 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 806 # endif 807 # ifndef _PATH_SENDMAILPID 808 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 809 # endif 810 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 811 # undef S_IFIFO 812 # define S_IFIFO 0010000 813 # ifndef IDENTPROTO 814 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 815 # endif 816 #endif 817 818 819 /* 820 ** UnixWare 821 ** 822 ** From Evan Champion <evanc@spatial.synapse.org>. 823 */ 824 825 #ifdef UNIXWARE 826 # define SYSTEM5 1 827 # ifndef HASGETUSERSHELL 828 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 829 # endif 830 # define GIDSET_T int 831 # define SLEEP_T int 832 # define SFS_TYPE SFS_STATVFS 833 # define LA_TYPE LA_ZERO 834 # undef WIFEXITED 835 # undef WEXITSTATUS 836 # define _PATH_UNIX "/unix" 837 # ifndef _PATH_SENDMAILCF 838 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 839 # endif 840 # ifndef _PATH_SENDMAILPID 841 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 842 # endif 843 # define SYSLOG_BUFSIZE 128 844 #endif 845 846 847 /* 848 ** Intergraph CLIX 3.1 849 ** 850 ** From Paul Southworth <pauls@locust.cic.net> 851 */ 852 853 #ifdef CLIX 854 # define SYSTEM5 1 /* looks like System V */ 855 # ifndef HASGETUSERSHELL 856 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 857 # endif 858 # define DEV_BSIZE 512 /* device block size not defined */ 859 # define GIDSET_T gid_t 860 # undef LOG /* syslog not available */ 861 # define NEEDFSYNC 1 /* no fsync in system library */ 862 # define GETSHORT _getshort 863 #endif 864 865 866 /* 867 ** NCR 3000 Series (SysVr4) 868 ** 869 ** From Kevin Darcy <kevin@tech.mis.cfc.com>. 870 */ 871 872 #ifdef NCR3000 873 # define __svr4__ 874 # undef BSD 875 # define LA_AVENRUN "avenrun" 876 #endif 877 878 879 /* 880 ** Tandem NonStop-UX SVR4 881 ** 882 ** From Rick McCarty <mccarty@mpd.tandem.com>. 883 */ 884 885 #ifdef NonStop_UX_BXX 886 # define __svr4__ 887 #endif 888 889 890 /* 891 ** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2. 892 ** 893 ** Tested for 1.04 and 1.03 894 ** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>. 895 */ 896 897 #ifdef __H3050R 898 # define SYSTEM5 1 /* include all the System V defines */ 899 # define HASINITGROUPS 1 /* has initgroups(3) call */ 900 # define setreuid(r, e) setresuid(r, e, -1) 901 # define LA_TYPE LA_FLOAT 902 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 903 # define HASSETVBUF /* HI-UX has no setlinebuf */ 904 # ifndef GIDSET_T 905 # define GIDSET_T gid_t 906 # endif 907 # ifndef _PATH_UNIX 908 # define _PATH_UNIX "/HI-UX" 909 # endif 910 # ifndef _PATH_SENDMAILCF 911 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 912 # endif 913 # ifndef IDENTPROTO 914 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 915 # endif 916 # ifndef HASGETUSERSHELL 917 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 918 # endif 919 920 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */ 921 # undef m_flags 922 923 # ifdef __STDC__ 924 extern int syslog(int, char *, ...); 925 # endif 926 927 #endif 928 929 930 931 /********************************************************************** 932 ** End of Per-Operating System defines 933 **********************************************************************/ 934 935 /********************************************************************** 936 ** More general defines 937 **********************************************************************/ 938 939 /* general BSD defines */ 940 #ifdef BSD 941 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 942 # define HASSETREUID 1 /* has setreuid(2) call */ 943 # define HASINITGROUPS 1 /* has initgroups(2) call */ 944 # ifndef HASSETRLIMIT 945 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 946 # endif 947 # ifndef HASFLOCK 948 # define HASFLOCK 1 /* has flock(2) call */ 949 # endif 950 # ifndef TZ_TYPE 951 # define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ 952 # endif 953 #endif 954 955 /* general System V Release 4 defines */ 956 #ifdef __svr4__ 957 # define SYSTEM5 1 958 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 959 # ifndef HASGETUSERSHELL 960 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 961 # endif 962 # define setreuid(r, e) seteuid(e) 963 964 # ifndef _PATH_UNIX 965 # define _PATH_UNIX "/unix" 966 # endif 967 # ifndef _PATH_SENDMAILCF 968 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 969 # endif 970 # ifndef _PATH_SENDMAILPID 971 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 972 # endif 973 # ifndef SYSLOG_BUFSIZE 974 # define SYSLOG_BUFSIZE 128 975 # endif 976 # ifndef SFS_TYPE 977 # define SFS_TYPE SFS_STATVFS 978 # endif 979 #endif 980 981 /* general System V defines */ 982 #ifdef SYSTEM5 983 # include <sys/sysmacros.h> 984 # define HASUNAME 1 /* use System V uname(2) system call */ 985 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 986 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 987 # ifndef HASULIMIT 988 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 989 # endif 990 # ifndef LA_TYPE 991 # define LA_TYPE LA_INT /* assume integer load average */ 992 # endif 993 # ifndef SFS_TYPE 994 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 995 # endif 996 # ifndef TZ_TYPE 997 # define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ 998 # endif 999 # define bcopy(s, d, l) (memmove((d), (s), (l))) 1000 # define bzero(d, l) (memset((d), '\0', (l))) 1001 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 1002 #endif 1003 1004 /* general POSIX defines */ 1005 #ifdef _POSIX_VERSION 1006 # define HASSETSID 1 /* has Posix setsid(2) call */ 1007 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 1008 #endif 1009 1010 /* 1011 ** If no type for argument two of getgroups call is defined, assume 1012 ** it's an integer -- unfortunately, there seem to be several choices 1013 ** here. 1014 */ 1015 1016 #ifndef GIDSET_T 1017 # define GIDSET_T int 1018 #endif 1019 1020 /* 1021 ** Tweaking for systems that (for example) claim to be BSD but 1022 ** don't have all the standard BSD routines (boo hiss). 1023 */ 1024 1025 #ifdef titan 1026 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 1027 #endif 1028 1029 1030 /* 1031 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 1032 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 1033 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 1034 ** are closed. Some firewalls return this error if you try to connect 1035 ** to the IDENT port (113), so you can't receive email from these hosts 1036 ** on these systems. The firewall really should use a more specific 1037 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 1038 ** not explicitly set to zero above, default it on. 1039 */ 1040 1041 #ifndef IDENTPROTO 1042 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 1043 #endif 1044 1045 #ifndef HASGETUSERSHELL 1046 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1047 #endif 1048 1049 #ifndef HASFLOCK 1050 # define HASFLOCK 0 /* assume no flock(2) support */ 1051 #endif 1052 1053 #ifndef HASSETRLIMIT 1054 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1055 #endif 1056 1057 #ifndef HASULIMIT 1058 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1059 #endif 1060 1061 #ifndef OLD_NEWDB 1062 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1063 #endif 1064 1065 1066 /********************************************************************** 1067 ** Remaining definitions should never have to be changed. They are 1068 ** primarily to provide back compatibility for older systems -- for 1069 ** example, it includes some POSIX compatibility definitions 1070 **********************************************************************/ 1071 1072 /* System 5 compatibility */ 1073 #ifndef S_ISREG 1074 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1075 #endif 1076 #if !defined(S_ISLNK) && defined(S_IFLNK) 1077 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1078 #endif 1079 #ifndef S_IWGRP 1080 #define S_IWGRP 020 1081 #endif 1082 #ifndef S_IWOTH 1083 #define S_IWOTH 002 1084 #endif 1085 1086 /* 1087 ** Older systems don't have this error code -- it should be in 1088 ** /usr/include/sysexits.h. 1089 */ 1090 1091 # ifndef EX_CONFIG 1092 # define EX_CONFIG 78 /* configuration error */ 1093 # endif 1094 1095 /* pseudo-code used in server SMTP */ 1096 # define EX_QUIT 22 /* drop out of server immediately */ 1097 1098 1099 /* 1100 ** These are used in a few cases where we need some special 1101 ** error codes, but where the system doesn't provide something 1102 ** reasonable. They are printed in errstring. 1103 */ 1104 1105 #ifndef E_PSEUDOBASE 1106 # define E_PSEUDOBASE 256 1107 #endif 1108 1109 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1110 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1111 1112 /* type of arbitrary pointer */ 1113 #ifndef ARBPTR_T 1114 # define ARBPTR_T void * 1115 #endif 1116 1117 #ifndef __P 1118 # include "cdefs.h" 1119 #endif 1120 1121 #if NAMED_BIND 1122 # include <arpa/nameser.h> 1123 # ifdef __svr4__ 1124 # ifdef NOERROR 1125 # undef NOERROR /* avoid compiler conflict with stream.h */ 1126 # endif 1127 # endif 1128 #endif 1129 1130 /* 1131 ** The size of an IP address -- can't use sizeof because of problems 1132 ** on Crays, where everything is 64 bits. This will break if/when 1133 ** IP addresses are expanded to eight bytes. 1134 */ 1135 1136 #ifndef INADDRSZ 1137 # define INADDRSZ 4 1138 #endif 1139 1140 /* 1141 ** The size of various known types -- for reading network protocols. 1142 ** Again, we can't use sizeof because of compiler randomness. 1143 */ 1144 1145 #ifndef INT16SZ 1146 # define INT16SZ 2 1147 #endif 1148 #ifndef INT32SZ 1149 # define INT32SZ 4 1150 #endif 1151 1152 /* 1153 ** Do some required dependencies 1154 */ 1155 1156 #if defined(NETINET) || defined(NETISO) 1157 # define SMTP 1 /* enable user and server SMTP */ 1158 # define QUEUE 1 /* enable queueing */ 1159 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1160 #endif 1161 1162 1163 /* 1164 ** Arrange to use either varargs or stdargs 1165 */ 1166 1167 # ifdef __STDC__ 1168 1169 # include <stdarg.h> 1170 1171 # define VA_LOCAL_DECL va_list ap; 1172 # define VA_START(f) va_start(ap, f) 1173 # define VA_END va_end(ap) 1174 1175 # else 1176 1177 # include <varargs.h> 1178 1179 # define VA_LOCAL_DECL va_list ap; 1180 # define VA_START(f) va_start(ap) 1181 # define VA_END va_end(ap) 1182 1183 # endif 1184 1185 #ifdef HASUNAME 1186 # include <sys/utsname.h> 1187 # ifdef newstr 1188 # undef newstr 1189 # endif 1190 #else /* ! HASUNAME */ 1191 # define NODE_LENGTH 32 1192 struct utsname 1193 { 1194 char nodename[NODE_LENGTH+1]; 1195 }; 1196 #endif /* HASUNAME */ 1197 1198 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) 1199 # define MAXHOSTNAMELEN 256 1200 #endif 1201 1202 #if !defined(SIGCHLD) && defined(SIGCLD) 1203 # define SIGCHLD SIGCLD 1204 #endif 1205 1206 #ifndef STDIN_FILENO 1207 #define STDIN_FILENO 0 1208 #endif 1209 1210 #ifndef STDOUT_FILENO 1211 #define STDOUT_FILENO 1 1212 #endif 1213 1214 #ifndef STDERR_FILENO 1215 #define STDERR_FILENO 2 1216 #endif 1217 1218 #ifndef LOCK_SH 1219 # define LOCK_SH 0x01 /* shared lock */ 1220 # define LOCK_EX 0x02 /* exclusive lock */ 1221 # define LOCK_NB 0x04 /* non-blocking lock */ 1222 # define LOCK_UN 0x08 /* unlock */ 1223 #endif 1224 1225 #ifndef SIG_ERR 1226 # define SIG_ERR ((void (*)()) -1) 1227 #endif 1228 1229 #ifndef WEXITSTATUS 1230 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1231 #endif 1232 #ifndef WIFEXITED 1233 # define WIFEXITED(st) (((st) & 0377) == 0) 1234 #endif 1235 1236 #ifndef SIGFUNC_DEFINED 1237 typedef void (*sigfunc_t) __P((int)); 1238 #endif 1239 1240 /* size of syslog buffer */ 1241 #ifndef SYSLOG_BUFSIZE 1242 # define SYSLOG_BUFSIZE 1024 1243 #endif 1244 1245 /* 1246 ** Size of tobuf (deliver.c) 1247 ** Tweak this to match your syslog implementation. It will have to 1248 ** allow for the extra information printed. 1249 */ 1250 1251 #ifndef TOBUFSIZE 1252 # if (SYSLOG_BUFSIZE) > 512 1253 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1254 # else 1255 # define TOBUFSIZE 256 1256 # endif 1257 #endif 1258 1259 /* 1260 ** Size of prescan buffer. 1261 ** Despite comments in the _sendmail_ book, this probably should 1262 ** not be changed; there are some hard-to-define dependencies. 1263 */ 1264 1265 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1266 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1267 # ifndef FORK 1268 # define FORK vfork /* function to call to fork mailer */ 1269 # endif 1270 1271 /* 1272 ** If we are going to link scanf anyway, use it in readcf 1273 */ 1274 1275 #if !defined(HASUNAME) && !defined(SCANF) 1276 # define SCANF 1 1277 #endif 1278