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 8.57 (Berkeley) 12/02/93 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 NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 58 # define MATCHGECOS 1 /* match user names from gecos field */ 59 # define XDEBUG 1 /* enable extended debugging */ 60 61 # ifdef NEWDB 62 # define USERDB 1 /* look in user database (requires NEWDB) */ 63 # endif 64 65 /* 66 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 67 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 68 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 69 ** are closed. Some firewalls return this error if you try to connect 70 ** to the IDENT port (113), so you can't receive email from these hosts 71 ** on these systems. The firewall really should use a more specific 72 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. This 73 ** will get #undefed below as needed. 74 */ 75 76 #ifndef IDENTPROTO 77 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 78 #endif 79 80 /* 81 ** Most systems have symbolic links today, so default them on. You 82 ** can turn them off by #undef'ing this below. 83 */ 84 85 # define HASLSTAT 1 /* has lstat(2) call */ 86 87 /* 88 ** General "standard C" defines. 89 ** 90 ** These may be undone later, to cope with systems that claim to 91 ** be Standard C but aren't. Gcc is the biggest offender -- it 92 ** doesn't realize that the library is part of the language. 93 ** 94 ** Life would be much easier if we could get rid of this sort 95 ** of bozo problems. 96 */ 97 98 #ifdef __STDC__ 99 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 100 #endif 101 102 /********************************************************************** 103 ** Operating system configuration. 104 ** 105 ** Unless you are porting to a new OS, you shouldn't have to 106 ** change these. 107 **********************************************************************/ 108 109 /* 110 ** Per-Operating System defines 111 */ 112 113 114 /* 115 ** HP-UX -- tested for 8.07 116 */ 117 118 # ifdef __hpux 119 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 120 # undef m_flags 121 # define SYSTEM5 1 /* include all the System V defines */ 122 # define HASINITGROUPS 1 /* has initgroups(3) call */ 123 # define HASSTATFS 1 /* has the statfs(2) syscall */ 124 # define HASSETREUID 1 /* has setreuid(2) call */ 125 # define setreuid(r, e) setresuid(r, e, -1) 126 # define LA_TYPE LA_FLOAT 127 # define _PATH_UNIX "/hp-ux" 128 # undef IDENTPROTO /* TCP/IP implementation is broken */ 129 # endif 130 131 132 /* 133 ** IBM AIX 3.x -- actually tested for 3.2.3 134 */ 135 136 # ifdef _AIX3 137 # define HASINITGROUPS 1 /* has initgroups(3) call */ 138 # define HASSTATFS 1 /* has the statfs(2) syscall */ 139 # define HASUNAME 1 /* use System V uname(2) system call */ 140 # define FORK fork /* no vfork primitive available */ 141 # undef SETPROCTITLE /* setproctitle confuses AIX */ 142 # endif 143 144 145 /* 146 ** Silicon Graphics IRIX 147 ** 148 ** Compiles on 4.0.1. 149 */ 150 151 # ifdef IRIX 152 # include <sys/sysmacros.h> 153 # define HASSETREUID 1 /* has setreuid(2) call */ 154 # define HASINITGROUPS 1 /* has initgroups(3) call */ 155 # define HASSTATFS 1 /* has the statfs(2) syscall */ 156 # define FORK fork /* no vfork primitive available */ 157 # define WAITUNION 1 /* use "union wait" as wait argument type */ 158 # define setpgid BSDsetpgrp 159 # define GIDSET_T gid_t 160 # endif 161 162 163 /* 164 ** SunOS and Solaris 165 ** 166 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 167 ** Solaris 2.2 (a.k.a. SunOS 5.2). 168 */ 169 170 #if defined(sun) && !defined(BSD) 171 172 # define LA_TYPE LA_INT 173 # define HASSETREUID 1 /* has setreuid(2) call */ 174 # define HASINITGROUPS 1 /* has initgroups(3) call */ 175 # define HASUNAME 1 /* use System V uname(2) system call */ 176 177 # ifdef SOLARIS_2_3 178 # define SOLARIS 179 # endif 180 181 # ifdef SOLARIS 182 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 183 # define SYSTEM5 1 /* use System V definitions */ 184 # define setreuid(r, e) seteuid(e) 185 # include <sys/time.h> 186 # define gethostbyname solaris_gethostbyname /* get working version */ 187 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 188 # define _PATH_UNIX "/kernel/unix" 189 # ifndef _PATH_SENDMAILCF 190 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 191 # endif 192 # ifndef _PATH_SENDMAILPID 193 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 194 # endif 195 196 # else 197 /* SunOS 4.1.x */ 198 # define HASSTATFS 1 /* has the statfs(2) syscall */ 199 # define HASFLOCK 1 /* has flock(2) call */ 200 # include <vfork.h> 201 202 # endif 203 #endif 204 205 /* 206 ** DG/UX 207 ** 208 ** Tested on 5.4.2 209 */ 210 211 #ifdef DGUX 212 # define SYSTEM5 1 213 # define LA_TYPE LA_SUBR 214 # define HASSTATFS 1 /* has the statfs(2) syscall */ 215 # define HASSETREUID 1 /* has setreuid(2) call */ 216 # define HASUNAME 1 /* use System V uname(2) system call */ 217 # define HASSETSID 1 /* has Posix setsid(2) call */ 218 # define HASINITGROUPS 1 /* has initgroups(3) call */ 219 # undef IDENTPROTO /* TCP/IP implementation is broken */ 220 # undef SETPROCTITLE 221 222 /* these include files must be included early on DG/UX */ 223 # include <netinet/in.h> 224 # include <arpa/inet.h> 225 226 # define inet_addr dgux_inet_addr 227 extern long dgux_inet_addr(); 228 #endif 229 230 231 /* 232 ** Digital Ultrix 4.2A or 4.3 233 ** 234 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 235 ** not dropped when the process exits. This causes major problems, 236 ** so flock is the only alternative. 237 */ 238 239 #ifdef ultrix 240 # define HASSTATFS 1 /* has the statfs(2) syscall */ 241 # define HASSETREUID 1 /* has setreuid(2) call */ 242 # define HASUNSETENV 1 /* has unsetenv(3) call */ 243 # define HASINITGROUPS 1 /* has initgroups(3) call */ 244 # define HASFLOCK 1 /* has flock(2) call */ 245 # define LA_TYPE LA_INT 246 # define LA_AVENRUN "avenrun" 247 # undef IDENTPROTO /* TCP/IP implementation is broken */ 248 #endif 249 250 251 /* 252 ** OSF/1 (tested on Alpha) 253 */ 254 255 #ifdef __osf__ 256 # define HASSTATFS 1 /* has the statfs(2) syscall */ 257 # define HASUNSETENV 1 /* has unsetenv(3) call */ 258 # define HASSETREUID 1 /* has setreuid(2) call */ 259 # define HASINITGROUPS 1 /* has initgroups(3) call */ 260 # define HASFLOCK 1 /* has flock(2) call */ 261 # define LA_TYPE LA_INT 262 # ifndef _PATH_SENDMAILPID 263 # define _PATH_SENDMAILPID "/var/run/sendmial.pid" 264 # endif 265 #endif 266 267 268 /* 269 ** NeXTstep 270 */ 271 272 #ifdef NeXT 273 # define HASINITGROUPS 1 /* has initgroups(3) call */ 274 # define HASFLOCK 1 /* has flock(2) call */ 275 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 276 # define HASSTATFS 1 /* has the statfs(2) syscall */ 277 # define WAITUNION 1 /* use "union wait" as wait argument type */ 278 # define sleep sleepX 279 # define setpgid setpgrp 280 # ifndef LA_TYPE 281 # define LA_TYPE LA_MACH 282 # endif 283 # ifndef _POSIX_SOURCE 284 typedef int pid_t; 285 # undef WEXITSTATUS 286 # undef WIFEXITED 287 # endif 288 # ifndef _PATH_SENDMAILCF 289 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 290 # endif 291 # ifndef _PATH_SENDMAILPID 292 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 293 # endif 294 #endif 295 296 297 /* 298 ** 4.4 BSD 299 ** 300 ** See also BSD defines. 301 */ 302 303 #ifdef BSD4_4 304 # define HASUNSETENV 1 /* has unsetenv(3) call */ 305 # define HASSTATFS 1 /* has the statfs(2) syscall */ 306 # include <sys/cdefs.h> 307 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 308 # ifndef LA_TYPE 309 # define LA_TYPE LA_SUBR 310 # endif 311 #endif 312 313 314 /* 315 ** 386BSD / FreeBSD 1.0E (works) / NetBSD (not tested) 316 ** 317 ** 4.3BSD clone, closer to 4.4BSD 318 ** 319 ** See also BSD defines. 320 */ 321 322 #ifdef __386BSD__ 323 # define HASUNSETENV 1 /* has unsetenv(3) call */ 324 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 325 # define HASSTATFS 1 /* has the statfs(2) syscall */ 326 # include <sys/cdefs.h> 327 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 328 # ifndef LA_TYPE 329 # define LA_TYPE LA_SUBR 330 # endif 331 #endif 332 333 334 /* 335 ** Mach386 336 ** 337 ** For mt Xinu's Mach386 system. 338 */ 339 340 #if defined(MACH) && defined(i386) 341 # define MACH386 1 342 # define HASUNSETENV 1 /* has unsetenv(3) call */ 343 # define HASINITGROUPS 1 /* has initgroups(3) call */ 344 # define HASFLOCK 1 /* has flock(2) call */ 345 # define HASSTATFS 1 /* has the statfs(2) syscall */ 346 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 347 # define NEEDSTRTOL 1 /* need the strtol() function */ 348 # define setpgid setpgrp 349 # ifndef LA_TYPE 350 # define LA_TYPE LA_FLOAT 351 # endif 352 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 353 # undef WEXITSTATUS 354 # undef WIFEXITED 355 # ifndef _PATH_SENDMAILCF 356 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 357 # endif 358 # ifndef _PATH_SENDMAILPID 359 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 360 # endif 361 #endif 362 363 364 /* 365 ** 4.3 BSD -- this is for very old systems 366 ** 367 ** You'll also have to install a new resolver library. 368 ** I don't guarantee that support for this environment is complete. 369 */ 370 371 #ifdef oldBSD43 372 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 373 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 374 # define ARBPTR_T char * 375 # define setpgid setpgrp 376 # ifndef LA_TYPE 377 # define LA_TYPE LA_FLOAT 378 # endif 379 # ifndef _PATH_SENDMAILCF 380 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 381 # endif 382 # undef IDENTPROTO /* TCP/IP implementation is broken */ 383 # undef WEXITSTATUS 384 # undef WIFEXITED 385 typedef short pid_t; 386 extern int errno; 387 #endif 388 389 390 /* 391 ** SCO Unix 392 */ 393 394 #ifdef _SCO_unix_ 395 # define SYSTEM5 1 /* include all the System V defines */ 396 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 397 # define HASSTATFS 1 /* has the statfs(2) syscall */ 398 # define FORK fork 399 # define MAXPATHLEN PATHSIZE 400 # define LA_TYPE LA_SHORT 401 # undef NETUNIX /* no unix domain socket support */ 402 #endif 403 404 405 /* 406 ** ConvexOS 11.0 and later 407 */ 408 409 #ifdef _CONVEX_SOURCE 410 # define BSD 1 /* include all the BSD defines */ 411 # define HASUNAME 1 /* use System V uname(2) system call */ 412 # define HASSTATFS 1 /* has the statfs(2) syscall */ 413 # define HASSETSID 1 /* has POSIX setsid(2) call */ 414 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 415 # define LA_TYPE LA_FLOAT 416 # undef IDENTPROTO 417 #endif 418 419 420 /* 421 ** RISC/os 4.52 422 ** 423 ** Gives a ton of warning messages, but otherwise compiles. 424 */ 425 426 #ifdef RISCOS 427 428 # define HASUNSETENV 1 /* has unsetenv(3) call */ 429 # define HASFLOCK 1 /* has flock(2) call */ 430 # define WAITUNION 1 /* use "union wait" as wait argument type */ 431 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 432 # define LA_TYPE LA_INT 433 # define LA_AVENRUN "avenrun" 434 # define _PATH_UNIX "/unix" 435 # undef WIFEXITED 436 437 # define setpgid setpgrp 438 439 extern int errno; 440 typedef int pid_t; 441 #define SIGFUNC_DEFINED 442 typedef int (*sigfunc_t)(); 443 extern char *getenv(); 444 extern void *malloc(); 445 446 #endif 447 448 449 /* 450 ** Linux 0.99pl10 and above... 451 ** From Karl London <karl@borg.demon.co.uk>. 452 */ 453 454 #ifdef __linux__ 455 # define BSD 1 /* pretend to be BSD based today */ 456 # undef NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 457 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 458 # define HASUNSETENV 1 /* has unsetenv(3) call */ 459 # ifndef LA_TYPE 460 # define LA_TYPE LA_FLOAT 461 # endif 462 # include <sys/sysmacros.h> 463 #endif 464 465 466 /* 467 ** DELL SVR4 Issue 2.2, and others 468 ** From Kimmo Suominen <kim@grendel.lut.fi> 469 ** 470 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 471 ** defined, and the definitions conflict. 472 ** 473 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 474 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 475 ** (SVR4.0/386 version 3.0). 476 */ 477 478 #ifdef DELL_SVR4 479 # define SYSTEM5 1 480 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 481 # define setreuid(r, e) seteuid(e) 482 /* # include <sys/time.h> */ 483 # define _PATH_UNIX "/unix" 484 # ifndef _PATH_SENDMAILCF 485 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 486 # endif 487 # ifndef _PATH_SENDMAILPID 488 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 489 # endif 490 #endif 491 492 493 /* 494 ** Apple A/UX 3.0 495 */ 496 497 #ifdef _AUX_SOURCE 498 # include <sys/sysmacros.h> 499 # define BSD /* has BSD routines */ 500 # define HASSTATFS 1 /* has the statfs(2) syscall */ 501 # define HASUNAME 1 /* use System V uname(2) system call */ 502 # define HASUSTAT 1 /* use System V ustat(2) syscall */ 503 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 504 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 505 # undef IDENTPROTO /* TCP/IP implementation is broken */ 506 # define FORK fork 507 # ifndef _PATH_SENDMAILCF 508 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 509 # endif 510 # ifndef LA_TYPE 511 # define LA_TYPE LA_ZERO 512 # endif 513 # undef WIFEXITED 514 # undef WEXITSTATUS 515 #endif 516 517 518 /* 519 ** Encore UMAX V 520 ** 521 ** Not extensively tested. 522 */ 523 524 #ifdef UMAXV 525 # include <limits.h> 526 # define HASUNAME 1 /* use System V uname(2) system call */ 527 # define HASSTATFS 1 /* has the statfs(2) syscall */ 528 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 529 # define HASINITGROUPS 1 /* has initgroups(3) call */ 530 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 531 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 532 # define FORK fork /* no vfork(2) primitive available */ 533 # define MAXPATHLEN PATH_MAX 534 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 535 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 536 # undef WIFEXITED 537 # undef WEXITSTATUS 538 #endif 539 540 541 /* 542 ** Stardent Titan 3000 running TitanOS 4.2. 543 ** 544 ** Must be compiled in "cc -43" mode. 545 ** 546 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 547 ** 548 ** Note the tweaking below after the BSD defines are set. 549 */ 550 551 #ifdef titan 552 # define setpgid setpgrp 553 typedef int pid_t; 554 # undef WIFEXITED 555 # undef WEXITSTATUS 556 #endif 557 558 559 /* 560 ** Sequent DYNIX 3.2.0 561 ** 562 ** From Jim Davis <jdavis@cs.arizona.edu>. 563 */ 564 565 #ifdef sequent 566 # define BSD 1 567 # define HASUNSETENV 1 568 # define BSD4_3 1 /* to get signal() in conf.c */ 569 # define WAITUNION 1 570 # define LA_TYPE LA_FLOAT 571 # ifdef _POSIX_VERSION 572 # undef _POSIX_VERSION /* set in <unistd.h> */ 573 # endif 574 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 575 # define setpgid setpgrp 576 577 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 578 # undef WIFEXITED 579 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 580 ((union wait*)&(s))->w_termsig == 0) 581 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 582 typedef int pid_t; 583 # define isgraph(c) (isprint(c) && (c != ' ')) 584 585 # ifndef _PATH_UNIX 586 # define _PATH_UNIX "/dynix" 587 # endif 588 # ifndef _PATH_SENDMAILCF 589 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 590 # endif 591 592 #endif 593 594 595 596 597 /********************************************************************** 598 ** End of Per-Operating System defines 599 **********************************************************************/ 600 601 /********************************************************************** 602 ** More general defines 603 **********************************************************************/ 604 605 /* general BSD defines */ 606 #ifdef BSD 607 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 608 # define HASSETREUID 1 /* has setreuid(2) call */ 609 # define HASINITGROUPS 1 /* has initgroups(2) call */ 610 # define HASFLOCK 1 /* has flock(2) call */ 611 #endif 612 613 /* general System V defines */ 614 # ifdef SYSTEM5 615 # include <sys/sysmacros.h> 616 # define HASUNAME 1 /* use System V uname(2) system call */ 617 # define HASUSTAT 1 /* use System V ustat(2) syscall */ 618 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 619 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 620 # ifndef LA_TYPE 621 # define LA_TYPE LA_INT 622 # endif 623 # define bcopy(s, d, l) (memmove((d), (s), (l))) 624 # define bzero(d, l) (memset((d), '\0', (l))) 625 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 626 # endif 627 628 /* general POSIX defines */ 629 #ifdef _POSIX_VERSION 630 # define HASSETSID 1 /* has Posix setsid(2) call */ 631 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 632 #endif 633 634 /* 635 ** If no type for argument two of getgroups call is defined, assume 636 ** it's an integer -- unfortunately, there seem to be several choices 637 ** here. 638 */ 639 640 #ifndef GIDSET_T 641 # define GIDSET_T int 642 #endif 643 644 /* 645 ** Tweaking for systems that (for example) claim to be BSD but 646 ** don't have all the standard BSD routines (boo hiss). 647 */ 648 649 #ifdef titan 650 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 651 #endif 652 653 654 /********************************************************************** 655 ** Remaining definitions should never have to be changed. They are 656 ** primarily to provide back compatibility for older systems -- for 657 ** example, it includes some POSIX compatibility definitions 658 **********************************************************************/ 659 660 /* System 5 compatibility */ 661 #ifndef S_ISREG 662 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 663 #endif 664 #if !defined(S_ISLNK) && defined(S_IFLNK) 665 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 666 #endif 667 #ifndef S_IWGRP 668 #define S_IWGRP 020 669 #endif 670 #ifndef S_IWOTH 671 #define S_IWOTH 002 672 #endif 673 674 /* 675 ** Older systems don't have this error code -- it should be in 676 ** /usr/include/sysexits.h. 677 */ 678 679 # ifndef EX_CONFIG 680 # define EX_CONFIG 78 /* configuration error */ 681 # endif 682 683 /* pseudo-code used in server SMTP */ 684 # define EX_QUIT 22 /* drop out of server immediately */ 685 686 687 /* 688 ** These are used in a few cases where we need some special 689 ** error codes, but where the system doesn't provide something 690 ** reasonable. They are printed in errstring. 691 */ 692 693 #ifndef E_PSEUDOBASE 694 # define E_PSEUDOBASE 256 695 #endif 696 697 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 698 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 699 700 /* type of arbitrary pointer */ 701 #ifndef ARBPTR_T 702 # define ARBPTR_T void * 703 #endif 704 705 #ifndef __P 706 # include "cdefs.h" 707 #endif 708 709 /* 710 ** Do some required dependencies 711 */ 712 713 #if defined(NETINET) || defined(NETISO) 714 # define SMTP 1 /* enable user and server SMTP */ 715 # define QUEUE 1 /* enable queueing */ 716 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 717 #endif 718 719 720 /* 721 ** Arrange to use either varargs or stdargs 722 */ 723 724 # ifdef __STDC__ 725 726 # include <stdarg.h> 727 728 # define VA_LOCAL_DECL va_list ap; 729 # define VA_START(f) va_start(ap, f) 730 # define VA_END va_end(ap) 731 732 # else 733 734 # include <varargs.h> 735 736 # define VA_LOCAL_DECL va_list ap; 737 # define VA_START(f) va_start(ap) 738 # define VA_END va_end(ap) 739 740 # endif 741 742 #ifdef HASUNAME 743 # include <sys/utsname.h> 744 # ifdef newstr 745 # undef newstr 746 # endif 747 #else /* ! HASUNAME */ 748 # define NODE_LENGTH 32 749 struct utsname 750 { 751 char nodename[NODE_LENGTH+1]; 752 }; 753 #endif /* HASUNAME */ 754 755 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) 756 # define MAXHOSTNAMELEN 256 757 #endif 758 759 #if !defined(SIGCHLD) && defined(SIGCLD) 760 # define SIGCHLD SIGCLD 761 #endif 762 763 #ifndef STDIN_FILENO 764 #define STDIN_FILENO 0 765 #endif 766 767 #ifndef STDOUT_FILENO 768 #define STDOUT_FILENO 1 769 #endif 770 771 #ifndef STDERR_FILENO 772 #define STDERR_FILENO 2 773 #endif 774 775 #ifndef LOCK_SH 776 # define LOCK_SH 0x01 /* shared lock */ 777 # define LOCK_EX 0x02 /* exclusive lock */ 778 # define LOCK_NB 0x04 /* non-blocking lock */ 779 # define LOCK_UN 0x08 /* unlock */ 780 #endif 781 782 #ifndef SIG_ERR 783 # define SIG_ERR ((void (*)()) -1) 784 #endif 785 786 #ifndef WEXITSTATUS 787 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 788 #endif 789 #ifndef WIFEXITED 790 # define WIFEXITED(st) (((st) & 0377) == 0) 791 #endif 792 793 #ifndef SIGFUNC_DEFINED 794 typedef void (*sigfunc_t) __P((int)); 795 #endif 796 797 /* 798 ** Size of tobuf (deliver.c) 799 ** Tweak this to match your syslog implementation. It will have to 800 ** allow for the extra information printed. 801 */ 802 803 #ifndef TOBUFSIZE 804 # define TOBUFSIZE (1024 - 256) 805 #endif 806 807 /* 808 ** Size of prescan buffer. 809 ** Despite comments in the _sendmail_ book, this probably should 810 ** not be changed; there are some hard-to-define dependencies. 811 */ 812 813 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 814 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 815 # ifndef FORK 816 # define FORK vfork /* function to call to fork mailer */ 817 # endif 818 819 #ifndef IDENTPROTO 820 # define IDENTPROTO 0 /* don't use RFC 1413 */ 821 #endif 822