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 8.96 (Berkeley) 03/11/94 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 # include <sys/sysmacros.h> 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 # endif 169 170 171 /* 172 ** SunOS and Solaris 173 ** 174 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 175 ** Solaris 2.2 (a.k.a. SunOS 5.2). 176 */ 177 178 #if defined(sun) && !defined(BSD) 179 180 # define HASINITGROUPS 1 /* has initgroups(3) call */ 181 # define HASUNAME 1 /* use System V uname(2) system call */ 182 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 183 # define LA_TYPE LA_INT 184 185 # ifdef SOLARIS_2_3 186 # define SOLARIS 187 # endif 188 189 # ifdef SOLARIS 190 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 191 # ifndef __svr4__ 192 # define __svr4__ /* use all System V Releae 4 defines below */ 193 # endif 194 # include <sys/time.h> 195 # define gethostbyname solaris_gethostbyname /* get working version */ 196 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 197 # define GIDSET_T gid_t 198 # ifndef _PATH_UNIX 199 # define _PATH_UNIX "/kernel/unix" 200 # endif 201 # ifndef _PATH_SENDMAILCF 202 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 203 # endif 204 # ifndef _PATH_SENDMAILPID 205 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 206 # endif 207 # ifndef SYSLOG_BUFSIZE 208 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 209 # endif 210 211 # else 212 /* SunOS 4.0.3 or 4.1.x */ 213 # define HASSETREUID 1 /* has setreuid(2) call */ 214 # ifndef HASFLOCK 215 # define HASFLOCK 1 /* has flock(2) call */ 216 # endif 217 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 218 # include <vfork.h> 219 220 # ifdef SUNOS403 221 /* special tweaking for SunOS 4.0.3 */ 222 # include <malloc.h> 223 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 224 # define WAITUNION 1 /* use "union wait" as wait argument type */ 225 # undef WIFEXITED 226 # undef WEXITSTATUS 227 # undef HASUNAME 228 # define setpgid setpgrp 229 typedef int pid_t; 230 extern char *getenv(); 231 232 # endif 233 # endif 234 #endif 235 236 /* 237 ** DG/UX 238 ** 239 ** Tested on 5.4.2 240 */ 241 242 #ifdef DGUX 243 # define SYSTEM5 1 244 # define LA_TYPE LA_SUBR 245 # define HASSETREUID 1 /* has setreuid(2) call */ 246 # define HASUNAME 1 /* use System V uname(2) system call */ 247 # define HASSETSID 1 /* has Posix setsid(2) call */ 248 # define HASINITGROUPS 1 /* has initgroups(3) call */ 249 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 250 # ifndef IDENTPROTO 251 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 252 # endif 253 # undef SETPROCTITLE 254 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 255 256 /* these include files must be included early on DG/UX */ 257 # include <netinet/in.h> 258 # include <arpa/inet.h> 259 260 # define inet_addr dgux_inet_addr 261 extern long dgux_inet_addr(); 262 #endif 263 264 265 /* 266 ** Digital Ultrix 4.2A or 4.3 267 ** 268 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 269 ** not dropped when the process exits. This causes major problems, 270 ** so flock is the only alternative. 271 */ 272 273 #ifdef ultrix 274 # define HASSETREUID 1 /* has setreuid(2) call */ 275 # define HASUNSETENV 1 /* has unsetenv(3) call */ 276 # define HASINITGROUPS 1 /* has initgroups(3) call */ 277 # define HASUNAME 1 /* use System V uname(2) system call */ 278 # ifndef HASFLOCK 279 # define HASFLOCK 1 /* has flock(2) call */ 280 # endif 281 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 282 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 283 # ifdef vax 284 # define LA_TYPE LA_FLOAT 285 # else 286 # define LA_TYPE LA_INT 287 # define LA_AVENRUN "avenrun" 288 # endif 289 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 290 # ifndef IDENTPROTO 291 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 292 # endif 293 #endif 294 295 296 /* 297 ** OSF/1 (tested on Alpha) 298 */ 299 300 #ifdef __osf__ 301 # define HASUNSETENV 1 /* has unsetenv(3) call */ 302 # define HASSETREUID 1 /* has setreuid(2) call */ 303 # define HASINITGROUPS 1 /* has initgroups(3) call */ 304 # ifndef HASFLOCK 305 # define HASFLOCK 1 /* has flock(2) call */ 306 # endif 307 # define LA_TYPE LA_INT 308 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 309 # ifndef _PATH_SENDMAILPID 310 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 311 # endif 312 #endif 313 314 315 /* 316 ** NeXTstep 317 */ 318 319 #ifdef NeXT 320 # define HASINITGROUPS 1 /* has initgroups(3) call */ 321 # ifndef HASFLOCK 322 # define HASFLOCK 1 /* has flock(2) call */ 323 # endif 324 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 325 # define WAITUNION 1 /* use "union wait" as wait argument type */ 326 # define sleep sleepX 327 # define setpgid setpgrp 328 # ifndef LA_TYPE 329 # define LA_TYPE LA_MACH 330 # endif 331 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 332 # ifndef _POSIX_SOURCE 333 typedef int pid_t; 334 # undef WEXITSTATUS 335 # undef WIFEXITED 336 # endif 337 # ifndef _PATH_SENDMAILCF 338 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 339 # endif 340 # ifndef _PATH_SENDMAILPID 341 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 342 # endif 343 #endif 344 345 346 /* 347 ** 4.4 BSD 348 ** 349 ** See also BSD defines. 350 */ 351 352 #ifdef BSD4_4 353 # define HASUNSETENV 1 /* has unsetenv(3) call */ 354 # include <sys/cdefs.h> 355 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 356 # ifndef LA_TYPE 357 # define LA_TYPE LA_SUBR 358 # endif 359 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 360 #endif 361 362 363 /* 364 ** BSD/386 (all versions) 365 ** From Tony Sanders, BSDI 366 */ 367 368 #ifdef __bsdi__ 369 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 370 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 371 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 372 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 373 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 374 # else 375 # define SETPROCTITLE 1 376 # endif 377 # include <sys/cdefs.h> 378 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 379 # ifndef LA_TYPE 380 # define LA_TYPE LA_SUBR 381 # endif 382 #endif 383 384 385 386 /* 387 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 388 ** 389 ** 4.3BSD clone, closer to 4.4BSD 390 ** 391 ** See also BSD defines. 392 */ 393 394 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 395 # define HASUNSETENV 1 /* has unsetenv(3) call */ 396 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 397 # include <sys/cdefs.h> 398 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 399 # ifndef LA_TYPE 400 # define LA_TYPE LA_SUBR 401 # endif 402 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 403 #endif 404 405 406 /* 407 ** Mach386 408 ** 409 ** For mt Xinu's Mach386 system. 410 */ 411 412 #if defined(MACH) && defined(i386) 413 # define MACH386 1 414 # define HASUNSETENV 1 /* has unsetenv(3) call */ 415 # define HASINITGROUPS 1 /* has initgroups(3) call */ 416 # ifndef HASFLOCK 417 # define HASFLOCK 1 /* has flock(2) call */ 418 # endif 419 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 420 # define NEEDSTRTOL 1 /* need the strtol() function */ 421 # define setpgid setpgrp 422 # ifndef LA_TYPE 423 # define LA_TYPE LA_FLOAT 424 # endif 425 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 426 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 427 # undef WEXITSTATUS 428 # undef WIFEXITED 429 # ifndef _PATH_SENDMAILCF 430 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 431 # endif 432 # ifndef _PATH_SENDMAILPID 433 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 434 # endif 435 #endif 436 437 438 /* 439 ** 4.3 BSD -- this is for very old systems 440 ** 441 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 442 ** 443 ** You'll also have to install a new resolver library. 444 ** I don't guarantee that support for this environment is complete. 445 */ 446 447 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 448 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 449 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 450 # define ARBPTR_T char * 451 # define setpgid setpgrp 452 # ifndef LA_TYPE 453 # define LA_TYPE LA_FLOAT 454 # endif 455 # ifndef _PATH_SENDMAILCF 456 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 457 # endif 458 # ifndef IDENTPROTO 459 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 460 # endif 461 # undef WEXITSTATUS 462 # undef WIFEXITED 463 typedef short pid_t; 464 extern int errno; 465 #endif 466 467 468 /* 469 ** SCO Unix 470 ** 471 ** This includes two parts -- the first is for SCO Open Server 3.2v4 472 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 473 ** The second is, I believe, for an older version. 474 */ 475 476 #ifdef _SCO_unix_4_2 477 # define _SCO_unix_ 478 # define HASSETREUID 1 /* has setreuid(2) call */ 479 # define _PATH_UNIX "/unix" 480 # ifndef _PATH_SENDMAILCF 481 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 482 # endif 483 # ifndef _PATH_SENDMAILPID 484 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 485 # endif 486 #endif 487 488 #ifdef _SCO_unix_ 489 # define SYSTEM5 1 /* include all the System V defines */ 490 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 491 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 492 # define FORK fork 493 # define MAXPATHLEN PATHSIZE 494 # define LA_TYPE LA_SHORT 495 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 496 # undef NETUNIX /* no unix domain socket support */ 497 #endif 498 499 500 /* 501 ** ConvexOS 11.0 and later 502 ** 503 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 504 ** works on 9.1 as well. 505 */ 506 507 #ifdef _CONVEX_SOURCE 508 # define BSD 1 /* include all the BSD defines */ 509 # define HASUNAME 1 /* use System V uname(2) system call */ 510 # define HASSETSID 1 /* has POSIX setsid(2) call */ 511 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 512 # define LA_TYPE LA_FLOAT 513 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 514 # ifndef _PATH_SENDMAILCF 515 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 516 # endif 517 # ifndef S_IREAD 518 # define S_IREAD _S_IREAD 519 # define S_IWRITE _S_IWRITE 520 # define S_IEXEC _S_IEXEC 521 # define S_IFMT _S_IFMT 522 # define S_IFCHR _S_IFCHR 523 # define S_IFBLK _S_IFBLK 524 # endif 525 # ifndef IDENTPROTO 526 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 527 # endif 528 #endif 529 530 531 /* 532 ** RISC/os 4.52 533 ** 534 ** Gives a ton of warning messages, but otherwise compiles. 535 */ 536 537 #ifdef RISCOS 538 539 # define HASUNSETENV 1 /* has unsetenv(3) call */ 540 # ifndef HASFLOCK 541 # define HASFLOCK 1 /* has flock(2) call */ 542 # endif 543 # define WAITUNION 1 /* use "union wait" as wait argument type */ 544 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 545 # define LA_TYPE LA_INT 546 # define LA_AVENRUN "avenrun" 547 # define _PATH_UNIX "/unix" 548 # undef WIFEXITED 549 550 # define setpgid setpgrp 551 552 extern int errno; 553 typedef int pid_t; 554 #define SIGFUNC_DEFINED 555 typedef int (*sigfunc_t)(); 556 extern char *getenv(); 557 extern void *malloc(); 558 559 #endif 560 561 562 /* 563 ** Linux 0.99pl10 and above... 564 ** 565 ** Thanks to, in reverse order of contact: 566 ** 567 ** John Kennedy <warlock@csuchico.edu> 568 ** Florian La Roche <rzsfl@rz.uni-sb.de> 569 ** Karl London <karl@borg.demon.co.uk> 570 ** 571 ** Last compiled against: [03/02/94 @ 05:34 PM (Wednesday)] 572 ** sendmail 8.6.6.b9 named 4.9.2-931205-p1 db-1.73 573 ** gcc 2.5.8 libc.so.4.5.19 574 ** slackware 1.1.2 linux 0.99.15 575 */ 576 577 #ifdef __linux__ 578 # define BSD 1 /* include BSD defines */ 579 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 580 # define HASUNAME 1 /* use System V uname(2) system call */ 581 # define HASUNSETENV 1 /* has unsetenv(3) call */ 582 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 583 # define GIDSET_T gid_t /* from <linux/types.h> */ 584 # ifndef LA_TYPE 585 # define LA_TYPE LA_PROCSTR 586 # endif 587 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 588 # include <sys/sysmacros.h> 589 # undef atol /* wounded in <stdlib.h> */ 590 #endif 591 592 593 /* 594 ** DELL SVR4 Issue 2.2, and others 595 ** From Kimmo Suominen <kim@grendel.lut.fi> 596 ** 597 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 598 ** defined, and the definitions conflict. 599 ** 600 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 601 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 602 ** (SVR4.0/386 version 3.0). 603 */ 604 605 #ifdef DELL_SVR4 606 /* no changes necessary */ 607 /* see general __svr4__ defines below */ 608 #endif 609 610 611 /* 612 ** Apple A/UX 3.0 613 */ 614 615 #ifdef _AUX_SOURCE 616 # include <sys/sysmacros.h> 617 # define BSD /* has BSD routines */ 618 # define HASUNAME 1 /* use System V uname(2) system call */ 619 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 620 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 621 # ifndef IDENTPROTO 622 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 623 # endif 624 # define FORK fork 625 # ifndef _PATH_SENDMAILCF 626 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 627 # endif 628 # ifndef LA_TYPE 629 # define LA_TYPE LA_ZERO 630 # endif 631 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 632 # undef WIFEXITED 633 # undef WEXITSTATUS 634 #endif 635 636 637 /* 638 ** Encore UMAX V 639 ** 640 ** Not extensively tested. 641 */ 642 643 #ifdef UMAXV 644 # include <limits.h> 645 # define HASUNAME 1 /* use System V uname(2) system call */ 646 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 647 # define HASINITGROUPS 1 /* has initgroups(3) call */ 648 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 649 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 650 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 651 # define FORK fork /* no vfork(2) primitive available */ 652 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 653 # define MAXPATHLEN PATH_MAX 654 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 655 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 656 # undef WIFEXITED 657 # undef WEXITSTATUS 658 #endif 659 660 661 /* 662 ** Stardent Titan 3000 running TitanOS 4.2. 663 ** 664 ** Must be compiled in "cc -43" mode. 665 ** 666 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 667 ** 668 ** Note the tweaking below after the BSD defines are set. 669 */ 670 671 #ifdef titan 672 # define setpgid setpgrp 673 typedef int pid_t; 674 # undef WIFEXITED 675 # undef WEXITSTATUS 676 #endif 677 678 679 /* 680 ** Sequent DYNIX 3.2.0 681 ** 682 ** From Jim Davis <jdavis@cs.arizona.edu>. 683 */ 684 685 #ifdef sequent 686 687 # define BSD 1 688 # define HASUNSETENV 1 689 # define BSD4_3 1 /* to get signal() in conf.c */ 690 # define WAITUNION 1 691 # define LA_TYPE LA_FLOAT 692 # ifdef _POSIX_VERSION 693 # undef _POSIX_VERSION /* set in <unistd.h> */ 694 # endif 695 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 696 # define setpgid setpgrp 697 698 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 699 # undef WIFEXITED 700 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 701 ((union wait*)&(s))->w_termsig == 0) 702 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 703 typedef int pid_t; 704 # define isgraph(c) (isprint(c) && (c != ' ')) 705 706 # ifndef IDENTPROTO 707 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 708 # endif 709 710 # ifndef _PATH_UNIX 711 # define _PATH_UNIX "/dynix" 712 # endif 713 # ifndef _PATH_SENDMAILCF 714 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 715 # endif 716 717 #endif 718 719 720 /* 721 ** Sequent DYNIX/ptx v2.0 (and higher) 722 ** 723 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 724 ** 725 ** From Tim Wright <timw@sequent.com>. 726 */ 727 728 #ifdef _SEQUENT_ 729 # define SYSTEM5 1 /* include all the System V defines */ 730 # define HASSETSID 1 /* has POSIX setsid(2) call */ 731 # define HASINITGROUPS 1 /* has initgroups(3) call */ 732 # define HASSETREUID 1 /* has setreuid(2) call */ 733 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 734 # define GIDSET_T gid_t 735 # define LA_TYPE LA_INT 736 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 737 # undef SETPROCTITLE 738 # ifndef IDENTPROTO 739 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 740 # endif 741 # ifndef _PATH_SENDMAILCF 742 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 743 # endif 744 # ifndef _PATH_SENDMAILPID 745 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 746 # endif 747 #endif 748 749 750 /* 751 ** Cray Unicos 752 ** 753 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 754 */ 755 756 #ifdef UNICOS 757 # define SYSTEM5 1 /* include all the System V defines */ 758 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 759 # define MAXPATHLEN PATHSIZE 760 # define LA_TYPE LA_ZERO 761 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 762 #endif 763 764 765 /* 766 ** Apollo DomainOS 767 ** 768 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 769 ** 770 ** 15 Jan 1994 771 ** 772 */ 773 774 #ifdef apollo 775 # define HASSETREUID 1 /* has setreuid(2) call */ 776 # define HASINITGROUPS 1 /* has initgroups(2) call */ 777 # undef SETPROCTITLE 778 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 779 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 780 # ifndef _PATH_SENDMAILCF 781 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 782 # endif 783 # ifndef _PATH_SENDMAILPID 784 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 785 # endif 786 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 787 # undef S_IFIFO 788 # define S_IFIFO 0010000 789 # ifndef IDENTPROTO 790 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 791 # endif 792 #endif 793 794 795 796 797 /********************************************************************** 798 ** End of Per-Operating System defines 799 **********************************************************************/ 800 801 /********************************************************************** 802 ** More general defines 803 **********************************************************************/ 804 805 /* general BSD defines */ 806 #ifdef BSD 807 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 808 # define HASSETREUID 1 /* has setreuid(2) call */ 809 # define HASINITGROUPS 1 /* has initgroups(2) call */ 810 # ifndef HASFLOCK 811 # define HASFLOCK 1 /* has flock(2) call */ 812 # endif 813 #endif 814 815 /* general System V Release 4 defines */ 816 #ifdef __svr4__ 817 # define SYSTEM5 1 818 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 819 # ifndef HASGETUSERSHELL 820 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 821 # endif 822 # define setreuid(r, e) seteuid(e) 823 824 # ifndef _PATH_UNIX 825 # define _PATH_UNIX "/unix" 826 # endif 827 # ifndef _PATH_SENDMAILCF 828 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 829 # endif 830 # ifndef _PATH_SENDMAILPID 831 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 832 # endif 833 # ifndef SYSLOG_BUFSIZE 834 # define SYSLOG_BUFSIZE 128 835 # endif 836 #endif 837 838 /* general System V defines */ 839 #ifdef SYSTEM5 840 # include <sys/sysmacros.h> 841 # define HASUNAME 1 /* use System V uname(2) system call */ 842 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 843 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 844 # ifndef LA_TYPE 845 # define LA_TYPE LA_INT /* assume integer load average */ 846 # endif 847 # ifndef SFS_TYPE 848 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 849 # endif 850 # define bcopy(s, d, l) (memmove((d), (s), (l))) 851 # define bzero(d, l) (memset((d), '\0', (l))) 852 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 853 #endif 854 855 /* general POSIX defines */ 856 #ifdef _POSIX_VERSION 857 # define HASSETSID 1 /* has Posix setsid(2) call */ 858 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 859 #endif 860 861 /* 862 ** If no type for argument two of getgroups call is defined, assume 863 ** it's an integer -- unfortunately, there seem to be several choices 864 ** here. 865 */ 866 867 #ifndef GIDSET_T 868 # define GIDSET_T int 869 #endif 870 871 /* 872 ** Tweaking for systems that (for example) claim to be BSD but 873 ** don't have all the standard BSD routines (boo hiss). 874 */ 875 876 #ifdef titan 877 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 878 #endif 879 880 881 /* 882 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 883 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 884 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 885 ** are closed. Some firewalls return this error if you try to connect 886 ** to the IDENT port (113), so you can't receive email from these hosts 887 ** on these systems. The firewall really should use a more specific 888 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 889 ** not explicitly set to zero above, default it on. 890 */ 891 892 #ifndef IDENTPROTO 893 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 894 #endif 895 896 #ifndef HASGETUSERSHELL 897 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 898 #endif 899 900 #ifndef HASFLOCK 901 # define HASFLOCK 0 /* assume no flock(2) support */ 902 #endif 903 904 905 /********************************************************************** 906 ** Remaining definitions should never have to be changed. They are 907 ** primarily to provide back compatibility for older systems -- for 908 ** example, it includes some POSIX compatibility definitions 909 **********************************************************************/ 910 911 /* System 5 compatibility */ 912 #ifndef S_ISREG 913 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 914 #endif 915 #if !defined(S_ISLNK) && defined(S_IFLNK) 916 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 917 #endif 918 #ifndef S_IWGRP 919 #define S_IWGRP 020 920 #endif 921 #ifndef S_IWOTH 922 #define S_IWOTH 002 923 #endif 924 925 /* 926 ** Older systems don't have this error code -- it should be in 927 ** /usr/include/sysexits.h. 928 */ 929 930 # ifndef EX_CONFIG 931 # define EX_CONFIG 78 /* configuration error */ 932 # endif 933 934 /* pseudo-code used in server SMTP */ 935 # define EX_QUIT 22 /* drop out of server immediately */ 936 937 938 /* 939 ** These are used in a few cases where we need some special 940 ** error codes, but where the system doesn't provide something 941 ** reasonable. They are printed in errstring. 942 */ 943 944 #ifndef E_PSEUDOBASE 945 # define E_PSEUDOBASE 256 946 #endif 947 948 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 949 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 950 951 /* type of arbitrary pointer */ 952 #ifndef ARBPTR_T 953 # define ARBPTR_T void * 954 #endif 955 956 #ifndef __P 957 # include "cdefs.h" 958 #endif 959 960 /* 961 ** Do some required dependencies 962 */ 963 964 #if defined(NETINET) || defined(NETISO) 965 # define SMTP 1 /* enable user and server SMTP */ 966 # define QUEUE 1 /* enable queueing */ 967 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 968 #endif 969 970 971 /* 972 ** Arrange to use either varargs or stdargs 973 */ 974 975 # ifdef __STDC__ 976 977 # include <stdarg.h> 978 979 # define VA_LOCAL_DECL va_list ap; 980 # define VA_START(f) va_start(ap, f) 981 # define VA_END va_end(ap) 982 983 # else 984 985 # include <varargs.h> 986 987 # define VA_LOCAL_DECL va_list ap; 988 # define VA_START(f) va_start(ap) 989 # define VA_END va_end(ap) 990 991 # endif 992 993 #ifdef HASUNAME 994 # include <sys/utsname.h> 995 # ifdef newstr 996 # undef newstr 997 # endif 998 #else /* ! HASUNAME */ 999 # define NODE_LENGTH 32 1000 struct utsname 1001 { 1002 char nodename[NODE_LENGTH+1]; 1003 }; 1004 #endif /* HASUNAME */ 1005 1006 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) 1007 # define MAXHOSTNAMELEN 256 1008 #endif 1009 1010 #if !defined(SIGCHLD) && defined(SIGCLD) 1011 # define SIGCHLD SIGCLD 1012 #endif 1013 1014 #ifndef STDIN_FILENO 1015 #define STDIN_FILENO 0 1016 #endif 1017 1018 #ifndef STDOUT_FILENO 1019 #define STDOUT_FILENO 1 1020 #endif 1021 1022 #ifndef STDERR_FILENO 1023 #define STDERR_FILENO 2 1024 #endif 1025 1026 #ifndef LOCK_SH 1027 # define LOCK_SH 0x01 /* shared lock */ 1028 # define LOCK_EX 0x02 /* exclusive lock */ 1029 # define LOCK_NB 0x04 /* non-blocking lock */ 1030 # define LOCK_UN 0x08 /* unlock */ 1031 #endif 1032 1033 #ifndef SIG_ERR 1034 # define SIG_ERR ((void (*)()) -1) 1035 #endif 1036 1037 #ifndef WEXITSTATUS 1038 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1039 #endif 1040 #ifndef WIFEXITED 1041 # define WIFEXITED(st) (((st) & 0377) == 0) 1042 #endif 1043 1044 #ifndef SIGFUNC_DEFINED 1045 typedef void (*sigfunc_t) __P((int)); 1046 #endif 1047 1048 /* size of syslog buffer */ 1049 #ifndef SYSLOG_BUFSIZE 1050 # define SYSLOG_BUFSIZE 1024 1051 #endif 1052 1053 /* 1054 ** Size of tobuf (deliver.c) 1055 ** Tweak this to match your syslog implementation. It will have to 1056 ** allow for the extra information printed. 1057 */ 1058 1059 #ifndef TOBUFSIZE 1060 # if (SYSLOG_BUFSIZE) > 512 1061 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1062 # else 1063 # define TOBUFSIZE 256 1064 # endif 1065 #endif 1066 1067 /* 1068 ** Size of prescan buffer. 1069 ** Despite comments in the _sendmail_ book, this probably should 1070 ** not be changed; there are some hard-to-define dependencies. 1071 */ 1072 1073 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1074 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1075 # ifndef FORK 1076 # define FORK vfork /* function to call to fork mailer */ 1077 # endif 1078 1079 /* 1080 ** If we are going to link scanf anyway, use it in readcf 1081 */ 1082 1083 #if !defined(HASUNAME) && !defined(SCANF) 1084 # define SCANF 1 1085 #endif 1086