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 8.104 (Berkeley) 04/17/94 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 # 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 "/kernel/unix" 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 5.4.2 246 */ 247 248 #ifdef DGUX 249 # define SYSTEM5 1 250 # define LA_TYPE LA_SUBR 251 # define HASSETREUID 1 /* has setreuid(2) call */ 252 # define HASUNAME 1 /* use System V uname(2) system call */ 253 # define HASSETSID 1 /* has Posix setsid(2) call */ 254 # define HASINITGROUPS 1 /* has initgroups(3) call */ 255 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 256 # ifndef IDENTPROTO 257 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 258 # endif 259 # undef SETPROCTITLE 260 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 261 262 /* these include files must be included early on DG/UX */ 263 # include <netinet/in.h> 264 # include <arpa/inet.h> 265 266 # define inet_addr dgux_inet_addr 267 extern long dgux_inet_addr(); 268 #endif 269 270 271 /* 272 ** Digital Ultrix 4.2A or 4.3 273 ** 274 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 275 ** not dropped when the process exits. This causes major problems, 276 ** so flock is the only alternative. 277 */ 278 279 #ifdef ultrix 280 # define HASSETREUID 1 /* has setreuid(2) call */ 281 # define HASUNSETENV 1 /* has unsetenv(3) call */ 282 # define HASINITGROUPS 1 /* has initgroups(3) call */ 283 # define HASUNAME 1 /* use System V uname(2) system call */ 284 # ifndef HASFLOCK 285 # define HASFLOCK 1 /* has flock(2) call */ 286 # endif 287 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 288 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 289 # ifdef vax 290 # define LA_TYPE LA_FLOAT 291 # else 292 # define LA_TYPE LA_INT 293 # define LA_AVENRUN "avenrun" 294 # endif 295 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 296 # ifndef IDENTPROTO 297 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 298 # endif 299 #endif 300 301 302 /* 303 ** OSF/1 (tested on Alpha) 304 */ 305 306 #ifdef __osf__ 307 # define HASUNSETENV 1 /* has unsetenv(3) call */ 308 # define HASSETREUID 1 /* has setreuid(2) call */ 309 # define HASINITGROUPS 1 /* has initgroups(3) call */ 310 # ifndef HASFLOCK 311 # define HASFLOCK 1 /* has flock(2) call */ 312 # endif 313 # define LA_TYPE LA_INT 314 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 315 # ifndef _PATH_SENDMAILPID 316 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 317 # endif 318 #endif 319 320 321 /* 322 ** NeXTstep 323 */ 324 325 #ifdef NeXT 326 # define HASINITGROUPS 1 /* has initgroups(3) call */ 327 # ifndef HASFLOCK 328 # define HASFLOCK 1 /* has flock(2) call */ 329 # endif 330 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 331 # define WAITUNION 1 /* use "union wait" as wait argument type */ 332 # define sleep sleepX 333 # define setpgid setpgrp 334 # ifndef LA_TYPE 335 # define LA_TYPE LA_MACH 336 # endif 337 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 338 # ifndef _POSIX_SOURCE 339 typedef int pid_t; 340 # undef WEXITSTATUS 341 # undef WIFEXITED 342 # endif 343 # ifndef _PATH_SENDMAILCF 344 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 345 # endif 346 # ifndef _PATH_SENDMAILPID 347 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 348 # endif 349 #endif 350 351 352 /* 353 ** 4.4 BSD 354 ** 355 ** See also BSD defines. 356 */ 357 358 #ifdef BSD4_4 359 # define HASUNSETENV 1 /* has unsetenv(3) call */ 360 # include <sys/cdefs.h> 361 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 362 # ifndef LA_TYPE 363 # define LA_TYPE LA_SUBR 364 # endif 365 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 366 #endif 367 368 369 /* 370 ** BSD/386 (all versions) 371 ** From Tony Sanders, BSDI 372 */ 373 374 #ifdef __bsdi__ 375 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 376 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 377 # include <sys/cdefs.h> 378 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 379 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 380 # ifndef LA_TYPE 381 # define LA_TYPE LA_SUBR 382 # endif 383 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 384 /* version 1.1 or later */ 385 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 386 # undef SETPROCTITLE /* so don't redefine it in conf.c */ 387 # else 388 /* version 1.0 or earlier */ 389 # ifndef OLD_NEWDB 390 # define OLD_NEWDB 1 /* old version of newdb library */ 391 # endif 392 # endif 393 #endif 394 395 396 397 /* 398 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 399 ** 400 ** 4.3BSD clone, closer to 4.4BSD 401 ** 402 ** See also BSD defines. 403 */ 404 405 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 406 # define HASUNSETENV 1 /* has unsetenv(3) call */ 407 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 408 # ifdef __NetBSD__ 409 # define HASUNAME 1 /* has uname(2) syscall */ 410 # endif 411 # include <sys/cdefs.h> 412 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 413 # ifndef LA_TYPE 414 # define LA_TYPE LA_SUBR 415 # endif 416 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 417 #endif 418 419 420 /* 421 ** Mach386 422 ** 423 ** For mt Xinu's Mach386 system. 424 */ 425 426 #if defined(MACH) && defined(i386) 427 # define MACH386 1 428 # define HASUNSETENV 1 /* has unsetenv(3) call */ 429 # define HASINITGROUPS 1 /* has initgroups(3) call */ 430 # ifndef HASFLOCK 431 # define HASFLOCK 1 /* has flock(2) call */ 432 # endif 433 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 434 # define NEEDSTRTOL 1 /* need the strtol() function */ 435 # define setpgid setpgrp 436 # ifndef LA_TYPE 437 # define LA_TYPE LA_FLOAT 438 # endif 439 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 440 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 441 # undef WEXITSTATUS 442 # undef WIFEXITED 443 # ifndef _PATH_SENDMAILCF 444 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 445 # endif 446 # ifndef _PATH_SENDMAILPID 447 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 448 # endif 449 #endif 450 451 452 /* 453 ** 4.3 BSD -- this is for very old systems 454 ** 455 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 456 ** 457 ** You'll also have to install a new resolver library. 458 ** I don't guarantee that support for this environment is complete. 459 */ 460 461 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 462 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 463 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 464 # define ARBPTR_T char * 465 # define setpgid setpgrp 466 # ifndef LA_TYPE 467 # define LA_TYPE LA_FLOAT 468 # endif 469 # ifndef _PATH_SENDMAILCF 470 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 471 # endif 472 # ifndef IDENTPROTO 473 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 474 # endif 475 # undef WEXITSTATUS 476 # undef WIFEXITED 477 typedef short pid_t; 478 extern int errno; 479 #endif 480 481 482 /* 483 ** SCO Unix 484 ** 485 ** This includes two parts -- the first is for SCO Open Server 3.2v4 486 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 487 ** The second is, I believe, for an older version. 488 */ 489 490 #ifdef _SCO_unix_4_2 491 # define _SCO_unix_ 492 # define HASSETREUID 1 /* has setreuid(2) call */ 493 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 494 # define _PATH_UNIX "/unix" 495 # ifndef _PATH_SENDMAILCF 496 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 497 # endif 498 # ifndef _PATH_SENDMAILPID 499 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 500 # endif 501 #endif 502 503 #ifdef _SCO_unix_ 504 # define SYSTEM5 1 /* include all the System V defines */ 505 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 506 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 507 # define FORK fork 508 # define MAXPATHLEN PATHSIZE 509 # define LA_TYPE LA_SHORT 510 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 511 # undef NETUNIX /* no unix domain socket support */ 512 #endif 513 514 515 /* 516 ** ConvexOS 11.0 and later 517 ** 518 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 519 ** works on 9.1 as well. 520 */ 521 522 #ifdef _CONVEX_SOURCE 523 # define BSD 1 /* include all the BSD defines */ 524 # define HASUNAME 1 /* use System V uname(2) system call */ 525 # define HASSETSID 1 /* has POSIX setsid(2) call */ 526 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 527 # define LA_TYPE LA_FLOAT 528 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 529 # ifndef _PATH_SENDMAILCF 530 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 531 # endif 532 # ifndef S_IREAD 533 # define S_IREAD _S_IREAD 534 # define S_IWRITE _S_IWRITE 535 # define S_IEXEC _S_IEXEC 536 # define S_IFMT _S_IFMT 537 # define S_IFCHR _S_IFCHR 538 # define S_IFBLK _S_IFBLK 539 # endif 540 # ifndef IDENTPROTO 541 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 542 # endif 543 #endif 544 545 546 /* 547 ** RISC/os 4.52 548 ** 549 ** Gives a ton of warning messages, but otherwise compiles. 550 */ 551 552 #ifdef RISCOS 553 554 # define HASUNSETENV 1 /* has unsetenv(3) call */ 555 # ifndef HASFLOCK 556 # define HASFLOCK 1 /* has flock(2) call */ 557 # endif 558 # define WAITUNION 1 /* use "union wait" as wait argument type */ 559 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 560 # define LA_TYPE LA_INT 561 # define LA_AVENRUN "avenrun" 562 # define _PATH_UNIX "/unix" 563 # undef WIFEXITED 564 565 # define setpgid setpgrp 566 567 extern int errno; 568 typedef int pid_t; 569 #define SIGFUNC_DEFINED 570 typedef int (*sigfunc_t)(); 571 extern char *getenv(); 572 extern void *malloc(); 573 574 #endif 575 576 577 /* 578 ** Linux 0.99pl10 and above... 579 ** 580 ** Thanks to, in reverse order of contact: 581 ** 582 ** John Kennedy <warlock@csuchico.edu> 583 ** Florian La Roche <rzsfl@rz.uni-sb.de> 584 ** Karl London <karl@borg.demon.co.uk> 585 ** 586 ** Last compiled against: [03/02/94 @ 05:34 PM (Wednesday)] 587 ** sendmail 8.6.6.b9 named 4.9.2-931205-p1 db-1.73 588 ** gcc 2.5.8 libc.so.4.5.19 589 ** slackware 1.1.2 linux 0.99.15 590 */ 591 592 #ifdef __linux__ 593 # define BSD 1 /* include BSD defines */ 594 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 595 # define HASUNAME 1 /* use System V uname(2) system call */ 596 # define HASUNSETENV 1 /* has unsetenv(3) call */ 597 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 598 # define GIDSET_T gid_t /* from <linux/types.h> */ 599 # ifndef LA_TYPE 600 # define LA_TYPE LA_PROCSTR 601 # endif 602 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 603 # include <sys/sysmacros.h> 604 # undef atol /* wounded in <stdlib.h> */ 605 #endif 606 607 608 /* 609 ** DELL SVR4 Issue 2.2, and others 610 ** From Kimmo Suominen <kim@grendel.lut.fi> 611 ** 612 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 613 ** defined, and the definitions conflict. 614 ** 615 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 616 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 617 ** (SVR4.0/386 version 3.0). 618 */ 619 620 #ifdef DELL_SVR4 621 /* no changes necessary */ 622 /* see general __svr4__ defines below */ 623 #endif 624 625 626 /* 627 ** Apple A/UX 3.0 628 */ 629 630 #ifdef _AUX_SOURCE 631 # include <sys/sysmacros.h> 632 # define BSD /* has BSD routines */ 633 # define HASUNAME 1 /* use System V uname(2) system call */ 634 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 635 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 636 # ifndef IDENTPROTO 637 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 638 # endif 639 # define FORK fork 640 # ifndef _PATH_SENDMAILCF 641 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 642 # endif 643 # ifndef LA_TYPE 644 # define LA_TYPE LA_ZERO 645 # endif 646 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 647 # undef WIFEXITED 648 # undef WEXITSTATUS 649 #endif 650 651 652 /* 653 ** Encore UMAX V 654 ** 655 ** Not extensively tested. 656 */ 657 658 #ifdef UMAXV 659 # include <limits.h> 660 # define HASUNAME 1 /* use System V uname(2) system call */ 661 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 662 # define HASINITGROUPS 1 /* has initgroups(3) call */ 663 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 664 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 665 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 666 # define FORK fork /* no vfork(2) primitive available */ 667 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 668 # define MAXPATHLEN PATH_MAX 669 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 670 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 671 # undef WIFEXITED 672 # undef WEXITSTATUS 673 #endif 674 675 676 /* 677 ** Stardent Titan 3000 running TitanOS 4.2. 678 ** 679 ** Must be compiled in "cc -43" mode. 680 ** 681 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 682 ** 683 ** Note the tweaking below after the BSD defines are set. 684 */ 685 686 #ifdef titan 687 # define setpgid setpgrp 688 typedef int pid_t; 689 # undef WIFEXITED 690 # undef WEXITSTATUS 691 #endif 692 693 694 /* 695 ** Sequent DYNIX 3.2.0 696 ** 697 ** From Jim Davis <jdavis@cs.arizona.edu>. 698 */ 699 700 #ifdef sequent 701 702 # define BSD 1 703 # define HASUNSETENV 1 704 # define BSD4_3 1 /* to get signal() in conf.c */ 705 # define WAITUNION 1 706 # define LA_TYPE LA_FLOAT 707 # ifdef _POSIX_VERSION 708 # undef _POSIX_VERSION /* set in <unistd.h> */ 709 # endif 710 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 711 # define setpgid setpgrp 712 713 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 714 # undef WIFEXITED 715 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 716 ((union wait*)&(s))->w_termsig == 0) 717 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 718 typedef int pid_t; 719 # define isgraph(c) (isprint(c) && (c != ' ')) 720 721 # ifndef IDENTPROTO 722 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 723 # endif 724 725 # ifndef _PATH_UNIX 726 # define _PATH_UNIX "/dynix" 727 # endif 728 # ifndef _PATH_SENDMAILCF 729 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 730 # endif 731 732 #endif 733 734 735 /* 736 ** Sequent DYNIX/ptx v2.0 (and higher) 737 ** 738 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 739 ** 740 ** From Tim Wright <timw@sequent.com>. 741 */ 742 743 #ifdef _SEQUENT_ 744 # define SYSTEM5 1 /* include all the System V defines */ 745 # define HASSETSID 1 /* has POSIX setsid(2) call */ 746 # define HASINITGROUPS 1 /* has initgroups(3) call */ 747 # define HASSETREUID 1 /* has setreuid(2) call */ 748 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 749 # define GIDSET_T gid_t 750 # define LA_TYPE LA_INT 751 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 752 # undef SETPROCTITLE 753 # ifndef IDENTPROTO 754 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 755 # endif 756 # ifndef _PATH_SENDMAILCF 757 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 758 # endif 759 # ifndef _PATH_SENDMAILPID 760 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 761 # endif 762 #endif 763 764 765 /* 766 ** Cray Unicos 767 ** 768 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 769 */ 770 771 #ifdef UNICOS 772 # define SYSTEM5 1 /* include all the System V defines */ 773 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 774 # define MAXPATHLEN PATHSIZE 775 # define LA_TYPE LA_ZERO 776 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 777 #endif 778 779 780 /* 781 ** Apollo DomainOS 782 ** 783 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 784 ** 785 ** 15 Jan 1994 786 ** 787 */ 788 789 #ifdef apollo 790 # define HASSETREUID 1 /* has setreuid(2) call */ 791 # define HASINITGROUPS 1 /* has initgroups(2) call */ 792 # undef SETPROCTITLE 793 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 794 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 795 # ifndef _PATH_SENDMAILCF 796 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 797 # endif 798 # ifndef _PATH_SENDMAILPID 799 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 800 # endif 801 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 802 # undef S_IFIFO 803 # define S_IFIFO 0010000 804 # ifndef IDENTPROTO 805 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 806 # endif 807 #endif 808 809 810 /* 811 ** UnixWare 812 ** 813 ** From Evan Champion <evanc@spatial.synapse.org>. 814 */ 815 816 #ifdef UNIXWARE 817 # define SYSTEM5 1 818 # ifndef HASGETUSERSHELL 819 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 820 # endif 821 # define GIDSET_T int 822 # define SLEEP_T int 823 # define SFS_TYPE SFS_STATVFS 824 # define LA_TYPE LA_ZERO 825 # undef WIFEXITED 826 # undef WEXITSTATUS 827 # define _PATH_UNIX "/unix" 828 # ifndef _PATH_SENDMAILCF 829 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 830 # endif 831 # ifndef _PATH_SENDMAILPID 832 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 833 # endif 834 # define SYSLOG_BUFSIZE 128 835 #endif 836 837 838 /* 839 ** Intergraph CLIX 3.1 840 ** 841 ** From Paul Southworth <pauls@locust.cic.net> 842 */ 843 844 #ifdef CLIX 845 # define SYSTEM5 1 /* looks like System V */ 846 # ifndef HASGETUSERSHELL 847 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 848 # endif 849 # define DEV_BSIZE 512 /* device block size not defined */ 850 # define GIDSET_T gid_t 851 # undef LOG /* syslog not available */ 852 # define NEEDFSYNC 1 /* no fsync in system library */ 853 # define GETSHORT _getshort 854 #endif 855 856 857 /* 858 ** NCR 3000 Series (SysVr4) 859 ** 860 ** From From: Kevin Darcy <kevin@tech.mis.cfc.com>. 861 */ 862 863 #ifdef NCR3000 864 # define __svr4__ 865 # undef BSD 866 # define LA_AVENRUN "avenrun" 867 #endif 868 869 870 871 872 873 /********************************************************************** 874 ** End of Per-Operating System defines 875 **********************************************************************/ 876 877 /********************************************************************** 878 ** More general defines 879 **********************************************************************/ 880 881 /* general BSD defines */ 882 #ifdef BSD 883 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 884 # define HASSETREUID 1 /* has setreuid(2) call */ 885 # define HASINITGROUPS 1 /* has initgroups(2) call */ 886 # ifndef HASFLOCK 887 # define HASFLOCK 1 /* has flock(2) call */ 888 # endif 889 #endif 890 891 /* general System V Release 4 defines */ 892 #ifdef __svr4__ 893 # define SYSTEM5 1 894 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 895 # ifndef HASGETUSERSHELL 896 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 897 # endif 898 # define setreuid(r, e) seteuid(e) 899 900 # ifndef _PATH_UNIX 901 # define _PATH_UNIX "/unix" 902 # endif 903 # ifndef _PATH_SENDMAILCF 904 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 905 # endif 906 # ifndef _PATH_SENDMAILPID 907 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 908 # endif 909 # ifndef SYSLOG_BUFSIZE 910 # define SYSLOG_BUFSIZE 128 911 # endif 912 #endif 913 914 /* general System V defines */ 915 #ifdef SYSTEM5 916 # include <sys/sysmacros.h> 917 # define HASUNAME 1 /* use System V uname(2) system call */ 918 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 919 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 920 # ifndef LA_TYPE 921 # define LA_TYPE LA_INT /* assume integer load average */ 922 # endif 923 # ifndef SFS_TYPE 924 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 925 # endif 926 # define bcopy(s, d, l) (memmove((d), (s), (l))) 927 # define bzero(d, l) (memset((d), '\0', (l))) 928 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 929 #endif 930 931 /* general POSIX defines */ 932 #ifdef _POSIX_VERSION 933 # define HASSETSID 1 /* has Posix setsid(2) call */ 934 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 935 #endif 936 937 /* 938 ** If no type for argument two of getgroups call is defined, assume 939 ** it's an integer -- unfortunately, there seem to be several choices 940 ** here. 941 */ 942 943 #ifndef GIDSET_T 944 # define GIDSET_T int 945 #endif 946 947 /* 948 ** Tweaking for systems that (for example) claim to be BSD but 949 ** don't have all the standard BSD routines (boo hiss). 950 */ 951 952 #ifdef titan 953 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 954 #endif 955 956 957 /* 958 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 959 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 960 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 961 ** are closed. Some firewalls return this error if you try to connect 962 ** to the IDENT port (113), so you can't receive email from these hosts 963 ** on these systems. The firewall really should use a more specific 964 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 965 ** not explicitly set to zero above, default it on. 966 */ 967 968 #ifndef IDENTPROTO 969 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 970 #endif 971 972 #ifndef HASGETUSERSHELL 973 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 974 #endif 975 976 #ifndef HASFLOCK 977 # define HASFLOCK 0 /* assume no flock(2) support */ 978 #endif 979 980 #ifndef OLD_NEWDB 981 # define OLD_NEWDB 0 /* assume newer version of newdb */ 982 #endif 983 984 985 /********************************************************************** 986 ** Remaining definitions should never have to be changed. They are 987 ** primarily to provide back compatibility for older systems -- for 988 ** example, it includes some POSIX compatibility definitions 989 **********************************************************************/ 990 991 /* System 5 compatibility */ 992 #ifndef S_ISREG 993 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 994 #endif 995 #if !defined(S_ISLNK) && defined(S_IFLNK) 996 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 997 #endif 998 #ifndef S_IWGRP 999 #define S_IWGRP 020 1000 #endif 1001 #ifndef S_IWOTH 1002 #define S_IWOTH 002 1003 #endif 1004 1005 /* 1006 ** Older systems don't have this error code -- it should be in 1007 ** /usr/include/sysexits.h. 1008 */ 1009 1010 # ifndef EX_CONFIG 1011 # define EX_CONFIG 78 /* configuration error */ 1012 # endif 1013 1014 /* pseudo-code used in server SMTP */ 1015 # define EX_QUIT 22 /* drop out of server immediately */ 1016 1017 1018 /* 1019 ** These are used in a few cases where we need some special 1020 ** error codes, but where the system doesn't provide something 1021 ** reasonable. They are printed in errstring. 1022 */ 1023 1024 #ifndef E_PSEUDOBASE 1025 # define E_PSEUDOBASE 256 1026 #endif 1027 1028 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1029 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1030 1031 /* type of arbitrary pointer */ 1032 #ifndef ARBPTR_T 1033 # define ARBPTR_T void * 1034 #endif 1035 1036 #ifndef __P 1037 # include "cdefs.h" 1038 #endif 1039 1040 /* 1041 ** Do some required dependencies 1042 */ 1043 1044 #if defined(NETINET) || defined(NETISO) 1045 # define SMTP 1 /* enable user and server SMTP */ 1046 # define QUEUE 1 /* enable queueing */ 1047 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1048 #endif 1049 1050 1051 /* 1052 ** Arrange to use either varargs or stdargs 1053 */ 1054 1055 # ifdef __STDC__ 1056 1057 # include <stdarg.h> 1058 1059 # define VA_LOCAL_DECL va_list ap; 1060 # define VA_START(f) va_start(ap, f) 1061 # define VA_END va_end(ap) 1062 1063 # else 1064 1065 # include <varargs.h> 1066 1067 # define VA_LOCAL_DECL va_list ap; 1068 # define VA_START(f) va_start(ap) 1069 # define VA_END va_end(ap) 1070 1071 # endif 1072 1073 #ifdef HASUNAME 1074 # include <sys/utsname.h> 1075 # ifdef newstr 1076 # undef newstr 1077 # endif 1078 #else /* ! HASUNAME */ 1079 # define NODE_LENGTH 32 1080 struct utsname 1081 { 1082 char nodename[NODE_LENGTH+1]; 1083 }; 1084 #endif /* HASUNAME */ 1085 1086 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) 1087 # define MAXHOSTNAMELEN 256 1088 #endif 1089 1090 #if !defined(SIGCHLD) && defined(SIGCLD) 1091 # define SIGCHLD SIGCLD 1092 #endif 1093 1094 #ifndef STDIN_FILENO 1095 #define STDIN_FILENO 0 1096 #endif 1097 1098 #ifndef STDOUT_FILENO 1099 #define STDOUT_FILENO 1 1100 #endif 1101 1102 #ifndef STDERR_FILENO 1103 #define STDERR_FILENO 2 1104 #endif 1105 1106 #ifndef LOCK_SH 1107 # define LOCK_SH 0x01 /* shared lock */ 1108 # define LOCK_EX 0x02 /* exclusive lock */ 1109 # define LOCK_NB 0x04 /* non-blocking lock */ 1110 # define LOCK_UN 0x08 /* unlock */ 1111 #endif 1112 1113 #ifndef SIG_ERR 1114 # define SIG_ERR ((void (*)()) -1) 1115 #endif 1116 1117 #ifndef WEXITSTATUS 1118 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1119 #endif 1120 #ifndef WIFEXITED 1121 # define WIFEXITED(st) (((st) & 0377) == 0) 1122 #endif 1123 1124 #ifndef SIGFUNC_DEFINED 1125 typedef void (*sigfunc_t) __P((int)); 1126 #endif 1127 1128 /* size of syslog buffer */ 1129 #ifndef SYSLOG_BUFSIZE 1130 # define SYSLOG_BUFSIZE 1024 1131 #endif 1132 1133 /* 1134 ** Size of tobuf (deliver.c) 1135 ** Tweak this to match your syslog implementation. It will have to 1136 ** allow for the extra information printed. 1137 */ 1138 1139 #ifndef TOBUFSIZE 1140 # if (SYSLOG_BUFSIZE) > 512 1141 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1142 # else 1143 # define TOBUFSIZE 256 1144 # endif 1145 #endif 1146 1147 /* 1148 ** Size of prescan buffer. 1149 ** Despite comments in the _sendmail_ book, this probably should 1150 ** not be changed; there are some hard-to-define dependencies. 1151 */ 1152 1153 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1154 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1155 # ifndef FORK 1156 # define FORK vfork /* function to call to fork mailer */ 1157 # endif 1158 1159 /* 1160 ** If we are going to link scanf anyway, use it in readcf 1161 */ 1162 1163 #if !defined(HASUNAME) && !defined(SCANF) 1164 # define SCANF 1 1165 #endif 1166