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 8.112 (Berkeley) 06/19/94 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 # undef SETPROCTITLE /* setproctitle confuses AIX */ 148 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 149 # endif 150 151 152 /* 153 ** Silicon Graphics IRIX 154 ** 155 ** Compiles on 4.0.1. 156 */ 157 158 # ifdef IRIX 159 # define SYSTEM5 1 /* this is a System-V derived system */ 160 # define HASSETREUID 1 /* has setreuid(2) call */ 161 # define HASINITGROUPS 1 /* has initgroups(3) call */ 162 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 163 # define FORK fork /* no vfork primitive available */ 164 # define WAITUNION 1 /* use "union wait" as wait argument type */ 165 # define setpgid BSDsetpgrp 166 # define GIDSET_T gid_t 167 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 168 # define LA_TYPE LA_INT 169 # define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ 170 # endif 171 172 173 /* 174 ** SunOS and Solaris 175 ** 176 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 177 ** Solaris 2.2 (a.k.a. SunOS 5.2). 178 */ 179 180 #if defined(sun) && !defined(BSD) 181 182 # define HASINITGROUPS 1 /* has initgroups(3) call */ 183 # define HASUNAME 1 /* use System V uname(2) system call */ 184 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 185 # define LA_TYPE LA_INT 186 187 # ifdef SOLARIS_2_3 188 # define SOLARIS 189 # endif 190 191 # ifdef SOLARIS 192 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 193 # ifndef __svr4__ 194 # define __svr4__ /* use all System V Releae 4 defines below */ 195 # endif 196 # include <sys/time.h> 197 # define gethostbyname solaris_gethostbyname /* get working version */ 198 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 199 # define GIDSET_T gid_t 200 # ifndef _PATH_UNIX 201 # define _PATH_UNIX "/dev/ksyms" 202 # endif 203 # ifndef _PATH_SENDMAILCF 204 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 205 # endif 206 # ifndef _PATH_SENDMAILPID 207 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 208 # endif 209 # ifndef SYSLOG_BUFSIZE 210 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 211 # endif 212 213 # else 214 /* SunOS 4.0.3 or 4.1.x */ 215 # define HASSETREUID 1 /* has setreuid(2) call */ 216 # ifndef HASFLOCK 217 # define HASFLOCK 1 /* has flock(2) call */ 218 # endif 219 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 220 # include <vfork.h> 221 222 # ifdef SUNOS403 223 /* special tweaking for SunOS 4.0.3 */ 224 # include <malloc.h> 225 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 226 # define WAITUNION 1 /* use "union wait" as wait argument type */ 227 # undef WIFEXITED 228 # undef WEXITSTATUS 229 # undef HASUNAME 230 # define setpgid setpgrp 231 typedef int pid_t; 232 extern char *getenv(); 233 234 # else 235 /* 4.1.x specifics */ 236 # define HASSETSID 1 /* has Posix setsid(2) call */ 237 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 238 239 # endif 240 # endif 241 #endif 242 243 /* 244 ** DG/UX 245 ** 246 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 247 ** older support. 248 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 249 */ 250 251 #ifdef DGUX_5_4_2 252 # define DGUX 1 253 #endif 254 255 #ifdef DGUX 256 # define SYSTEM5 1 257 # define LA_TYPE LA_SUBR 258 # define HASSETREUID 1 /* has setreuid(2) call */ 259 # define HASUNAME 1 /* use System V uname(2) system call */ 260 # define HASSETSID 1 /* has Posix setsid(2) call */ 261 # define HASINITGROUPS 1 /* has initgroups(3) call */ 262 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 263 # ifndef IDENTPROTO 264 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 265 # endif 266 # undef SETPROCTITLE 267 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 268 269 /* these include files must be included early on DG/UX */ 270 # include <netinet/in.h> 271 # include <arpa/inet.h> 272 273 # ifdef DGUX_5_4_2 274 # define inet_addr dgux_inet_addr 275 extern long dgux_inet_addr(); 276 # endif 277 #endif 278 279 280 /* 281 ** Digital Ultrix 4.2A or 4.3 282 ** 283 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 284 ** not dropped when the process exits. This causes major problems, 285 ** so flock is the only alternative. 286 */ 287 288 #ifdef ultrix 289 # define HASSETREUID 1 /* has setreuid(2) call */ 290 # define HASUNSETENV 1 /* has unsetenv(3) call */ 291 # define HASINITGROUPS 1 /* has initgroups(3) call */ 292 # define HASUNAME 1 /* use System V uname(2) system call */ 293 # ifndef HASFLOCK 294 # define HASFLOCK 1 /* has flock(2) call */ 295 # endif 296 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 297 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 298 # ifdef vax 299 # define LA_TYPE LA_FLOAT 300 # else 301 # define LA_TYPE LA_INT 302 # define LA_AVENRUN "avenrun" 303 # endif 304 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 305 # ifndef IDENTPROTO 306 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 307 # endif 308 #endif 309 310 311 /* 312 ** OSF/1 (tested on Alpha) 313 */ 314 315 #ifdef __osf__ 316 # define HASUNSETENV 1 /* has unsetenv(3) call */ 317 # define HASSETREUID 1 /* has setreuid(2) call */ 318 # define HASINITGROUPS 1 /* has initgroups(3) call */ 319 # ifndef HASFLOCK 320 # define HASFLOCK 1 /* has flock(2) call */ 321 # endif 322 # define LA_TYPE LA_INT 323 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 324 # ifndef _PATH_SENDMAILPID 325 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 326 # endif 327 #endif 328 329 330 /* 331 ** NeXTstep 332 */ 333 334 #ifdef NeXT 335 # define HASINITGROUPS 1 /* has initgroups(3) call */ 336 # ifndef HASFLOCK 337 # define HASFLOCK 1 /* has flock(2) call */ 338 # endif 339 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 340 # define WAITUNION 1 /* use "union wait" as wait argument type */ 341 # define sleep sleepX 342 # define setpgid setpgrp 343 # ifndef LA_TYPE 344 # define LA_TYPE LA_MACH 345 # endif 346 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 347 # ifndef _POSIX_SOURCE 348 typedef int pid_t; 349 # undef WEXITSTATUS 350 # undef WIFEXITED 351 # endif 352 # ifndef _PATH_SENDMAILCF 353 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 354 # endif 355 # ifndef _PATH_SENDMAILPID 356 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 357 # endif 358 #endif 359 360 361 /* 362 ** 4.4 BSD 363 ** 364 ** See also BSD defines. 365 */ 366 367 #ifdef BSD4_4 368 # define HASUNSETENV 1 /* has unsetenv(3) call */ 369 # include <sys/cdefs.h> 370 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 371 # ifndef LA_TYPE 372 # define LA_TYPE LA_SUBR 373 # endif 374 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 375 #endif 376 377 378 /* 379 ** BSD/386 (all versions) 380 ** From Tony Sanders, BSDI 381 */ 382 383 #ifdef __bsdi__ 384 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 385 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 386 # include <sys/cdefs.h> 387 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 388 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 389 # ifndef LA_TYPE 390 # define LA_TYPE LA_SUBR 391 # endif 392 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 393 /* version 1.1 or later */ 394 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 395 # undef SETPROCTITLE /* so don't redefine it in conf.c */ 396 # else 397 /* version 1.0 or earlier */ 398 # ifndef OLD_NEWDB 399 # define OLD_NEWDB 1 /* old version of newdb library */ 400 # endif 401 # endif 402 #endif 403 404 405 406 /* 407 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 408 ** 409 ** 4.3BSD clone, closer to 4.4BSD 410 ** 411 ** See also BSD defines. 412 */ 413 414 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 415 # define HASUNSETENV 1 /* has unsetenv(3) call */ 416 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 417 # ifdef __NetBSD__ 418 # define HASUNAME 1 /* has uname(2) syscall */ 419 # endif 420 # include <sys/cdefs.h> 421 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 422 # ifndef LA_TYPE 423 # define LA_TYPE LA_SUBR 424 # endif 425 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 426 #endif 427 428 429 /* 430 ** Mach386 431 ** 432 ** For mt Xinu's Mach386 system. 433 */ 434 435 #if defined(MACH) && defined(i386) 436 # define MACH386 1 437 # define HASUNSETENV 1 /* has unsetenv(3) call */ 438 # define HASINITGROUPS 1 /* has initgroups(3) call */ 439 # ifndef HASFLOCK 440 # define HASFLOCK 1 /* has flock(2) call */ 441 # endif 442 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 443 # define NEEDSTRTOL 1 /* need the strtol() function */ 444 # define setpgid setpgrp 445 # ifndef LA_TYPE 446 # define LA_TYPE LA_FLOAT 447 # endif 448 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 449 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 450 # undef WEXITSTATUS 451 # undef WIFEXITED 452 # ifndef _PATH_SENDMAILCF 453 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 454 # endif 455 # ifndef _PATH_SENDMAILPID 456 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 457 # endif 458 #endif 459 460 461 /* 462 ** 4.3 BSD -- this is for very old systems 463 ** 464 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 465 ** 466 ** You'll also have to install a new resolver library. 467 ** I don't guarantee that support for this environment is complete. 468 */ 469 470 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 471 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 472 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 473 # define ARBPTR_T char * 474 # define setpgid setpgrp 475 # ifndef LA_TYPE 476 # define LA_TYPE LA_FLOAT 477 # endif 478 # ifndef _PATH_SENDMAILCF 479 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 480 # endif 481 # ifndef IDENTPROTO 482 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 483 # endif 484 # undef WEXITSTATUS 485 # undef WIFEXITED 486 typedef short pid_t; 487 extern int errno; 488 #endif 489 490 491 /* 492 ** SCO Unix 493 ** 494 ** This includes two parts -- the first is for SCO Open Server 3.2v4 495 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 496 ** The second is, I believe, for an older version. 497 */ 498 499 #ifdef _SCO_unix_4_2 500 # define _SCO_unix_ 501 # define HASSETREUID 1 /* has setreuid(2) call */ 502 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 503 # define _PATH_UNIX "/unix" 504 # ifndef _PATH_SENDMAILCF 505 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 506 # endif 507 # ifndef _PATH_SENDMAILPID 508 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 509 # endif 510 #endif 511 512 #ifdef _SCO_unix_ 513 # define SYSTEM5 1 /* include all the System V defines */ 514 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 515 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 516 # define FORK fork 517 # define MAXPATHLEN PATHSIZE 518 # define LA_TYPE LA_SHORT 519 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 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 /********************************************************************** 892 ** End of Per-Operating System defines 893 **********************************************************************/ 894 895 /********************************************************************** 896 ** More general defines 897 **********************************************************************/ 898 899 /* general BSD defines */ 900 #ifdef BSD 901 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 902 # define HASSETREUID 1 /* has setreuid(2) call */ 903 # define HASINITGROUPS 1 /* has initgroups(2) call */ 904 # ifndef HASSETRLIMIT 905 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 906 # endif 907 # ifndef HASFLOCK 908 # define HASFLOCK 1 /* has flock(2) call */ 909 # endif 910 #endif 911 912 /* general System V Release 4 defines */ 913 #ifdef __svr4__ 914 # define SYSTEM5 1 915 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 916 # ifndef HASGETUSERSHELL 917 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 918 # endif 919 # define setreuid(r, e) seteuid(e) 920 921 # ifndef _PATH_UNIX 922 # define _PATH_UNIX "/unix" 923 # endif 924 # ifndef _PATH_SENDMAILCF 925 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 926 # endif 927 # ifndef _PATH_SENDMAILPID 928 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 929 # endif 930 # ifndef SYSLOG_BUFSIZE 931 # define SYSLOG_BUFSIZE 128 932 # endif 933 # ifndef SFS_TYPE 934 # define SFS_TYPE SFS_STATVFS 935 # endif 936 #endif 937 938 /* general System V defines */ 939 #ifdef SYSTEM5 940 # include <sys/sysmacros.h> 941 # define HASUNAME 1 /* use System V uname(2) system call */ 942 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 943 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 944 # ifndef HASULIMIT 945 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 946 # endif 947 # ifndef LA_TYPE 948 # define LA_TYPE LA_INT /* assume integer load average */ 949 # endif 950 # ifndef SFS_TYPE 951 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 952 # endif 953 # define bcopy(s, d, l) (memmove((d), (s), (l))) 954 # define bzero(d, l) (memset((d), '\0', (l))) 955 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 956 #endif 957 958 /* general POSIX defines */ 959 #ifdef _POSIX_VERSION 960 # define HASSETSID 1 /* has Posix setsid(2) call */ 961 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 962 #endif 963 964 /* 965 ** If no type for argument two of getgroups call is defined, assume 966 ** it's an integer -- unfortunately, there seem to be several choices 967 ** here. 968 */ 969 970 #ifndef GIDSET_T 971 # define GIDSET_T int 972 #endif 973 974 /* 975 ** Tweaking for systems that (for example) claim to be BSD but 976 ** don't have all the standard BSD routines (boo hiss). 977 */ 978 979 #ifdef titan 980 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 981 #endif 982 983 984 /* 985 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 986 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 987 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 988 ** are closed. Some firewalls return this error if you try to connect 989 ** to the IDENT port (113), so you can't receive email from these hosts 990 ** on these systems. The firewall really should use a more specific 991 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 992 ** not explicitly set to zero above, default it on. 993 */ 994 995 #ifndef IDENTPROTO 996 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 997 #endif 998 999 #ifndef HASGETUSERSHELL 1000 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1001 #endif 1002 1003 #ifndef HASFLOCK 1004 # define HASFLOCK 0 /* assume no flock(2) support */ 1005 #endif 1006 1007 #ifndef HASSETRLIMIT 1008 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1009 #endif 1010 1011 #ifndef HASULIMIT 1012 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1013 #endif 1014 1015 #ifndef OLD_NEWDB 1016 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1017 #endif 1018 1019 1020 /********************************************************************** 1021 ** Remaining definitions should never have to be changed. They are 1022 ** primarily to provide back compatibility for older systems -- for 1023 ** example, it includes some POSIX compatibility definitions 1024 **********************************************************************/ 1025 1026 /* System 5 compatibility */ 1027 #ifndef S_ISREG 1028 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1029 #endif 1030 #if !defined(S_ISLNK) && defined(S_IFLNK) 1031 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1032 #endif 1033 #ifndef S_IWGRP 1034 #define S_IWGRP 020 1035 #endif 1036 #ifndef S_IWOTH 1037 #define S_IWOTH 002 1038 #endif 1039 1040 /* 1041 ** Older systems don't have this error code -- it should be in 1042 ** /usr/include/sysexits.h. 1043 */ 1044 1045 # ifndef EX_CONFIG 1046 # define EX_CONFIG 78 /* configuration error */ 1047 # endif 1048 1049 /* pseudo-code used in server SMTP */ 1050 # define EX_QUIT 22 /* drop out of server immediately */ 1051 1052 1053 /* 1054 ** These are used in a few cases where we need some special 1055 ** error codes, but where the system doesn't provide something 1056 ** reasonable. They are printed in errstring. 1057 */ 1058 1059 #ifndef E_PSEUDOBASE 1060 # define E_PSEUDOBASE 256 1061 #endif 1062 1063 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1064 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1065 1066 /* type of arbitrary pointer */ 1067 #ifndef ARBPTR_T 1068 # define ARBPTR_T void * 1069 #endif 1070 1071 #ifndef __P 1072 # include "cdefs.h" 1073 #endif 1074 1075 #if NAMED_BIND 1076 # include <arpa/nameser.h> 1077 # ifdef __svr4__ 1078 # ifdef NOERROR 1079 # undef NOERROR /* avoid compiler conflict with stream.h */ 1080 # endif 1081 # endif 1082 #endif 1083 1084 /* 1085 ** The size of an IP address -- can't use sizeof because of problems 1086 ** on Crays, where everything is 64 bits. This will break if/when 1087 ** IP addresses are expanded to eight bytes. 1088 */ 1089 1090 #ifndef INADDRSZ 1091 # define INADDRSZ 4 1092 #endif 1093 1094 /* 1095 ** The size of various known types -- for reading network protocols. 1096 ** Again, we can't use sizeof because of compiler randomness. 1097 */ 1098 1099 #ifndef INT16SZ 1100 # define INT16SZ 2 1101 #endif 1102 #ifndef INT32SZ 1103 # define INT32SZ 4 1104 #endif 1105 1106 /* 1107 ** Do some required dependencies 1108 */ 1109 1110 #if defined(NETINET) || defined(NETISO) 1111 # define SMTP 1 /* enable user and server SMTP */ 1112 # define QUEUE 1 /* enable queueing */ 1113 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1114 #endif 1115 1116 1117 /* 1118 ** Arrange to use either varargs or stdargs 1119 */ 1120 1121 # ifdef __STDC__ 1122 1123 # include <stdarg.h> 1124 1125 # define VA_LOCAL_DECL va_list ap; 1126 # define VA_START(f) va_start(ap, f) 1127 # define VA_END va_end(ap) 1128 1129 # else 1130 1131 # include <varargs.h> 1132 1133 # define VA_LOCAL_DECL va_list ap; 1134 # define VA_START(f) va_start(ap) 1135 # define VA_END va_end(ap) 1136 1137 # endif 1138 1139 #ifdef HASUNAME 1140 # include <sys/utsname.h> 1141 # ifdef newstr 1142 # undef newstr 1143 # endif 1144 #else /* ! HASUNAME */ 1145 # define NODE_LENGTH 32 1146 struct utsname 1147 { 1148 char nodename[NODE_LENGTH+1]; 1149 }; 1150 #endif /* HASUNAME */ 1151 1152 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) 1153 # define MAXHOSTNAMELEN 256 1154 #endif 1155 1156 #if !defined(SIGCHLD) && defined(SIGCLD) 1157 # define SIGCHLD SIGCLD 1158 #endif 1159 1160 #ifndef STDIN_FILENO 1161 #define STDIN_FILENO 0 1162 #endif 1163 1164 #ifndef STDOUT_FILENO 1165 #define STDOUT_FILENO 1 1166 #endif 1167 1168 #ifndef STDERR_FILENO 1169 #define STDERR_FILENO 2 1170 #endif 1171 1172 #ifndef LOCK_SH 1173 # define LOCK_SH 0x01 /* shared lock */ 1174 # define LOCK_EX 0x02 /* exclusive lock */ 1175 # define LOCK_NB 0x04 /* non-blocking lock */ 1176 # define LOCK_UN 0x08 /* unlock */ 1177 #endif 1178 1179 #ifndef SIG_ERR 1180 # define SIG_ERR ((void (*)()) -1) 1181 #endif 1182 1183 #ifndef WEXITSTATUS 1184 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1185 #endif 1186 #ifndef WIFEXITED 1187 # define WIFEXITED(st) (((st) & 0377) == 0) 1188 #endif 1189 1190 #ifndef SIGFUNC_DEFINED 1191 typedef void (*sigfunc_t) __P((int)); 1192 #endif 1193 1194 /* size of syslog buffer */ 1195 #ifndef SYSLOG_BUFSIZE 1196 # define SYSLOG_BUFSIZE 1024 1197 #endif 1198 1199 /* 1200 ** Size of tobuf (deliver.c) 1201 ** Tweak this to match your syslog implementation. It will have to 1202 ** allow for the extra information printed. 1203 */ 1204 1205 #ifndef TOBUFSIZE 1206 # if (SYSLOG_BUFSIZE) > 512 1207 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1208 # else 1209 # define TOBUFSIZE 256 1210 # endif 1211 #endif 1212 1213 /* 1214 ** Size of prescan buffer. 1215 ** Despite comments in the _sendmail_ book, this probably should 1216 ** not be changed; there are some hard-to-define dependencies. 1217 */ 1218 1219 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1220 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1221 # ifndef FORK 1222 # define FORK vfork /* function to call to fork mailer */ 1223 # endif 1224 1225 /* 1226 ** If we are going to link scanf anyway, use it in readcf 1227 */ 1228 1229 #if !defined(HASUNAME) && !defined(SCANF) 1230 # define SCANF 1 1231 #endif 1232