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 8.141 (Berkeley) 03/12/95 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 200 /* 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 # define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */ 42 # define MAXTOCLASS 8 /* max # of message timeout classes */ 43 # define MAXMIMEARGS 20 /* max args in Content-Type: */ 44 # define MAXMIMENESTING 20 /* max MIME multipart nesting */ 45 46 # ifndef QUEUESIZE 47 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 48 # endif 49 50 /********************************************************************** 51 ** Compilation options. 52 ** 53 ** #define these if they are available; comment them out otherwise. 54 **********************************************************************/ 55 56 # define LOG 1 /* enable logging */ 57 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 58 # define NETUNIX 1 /* include unix domain support */ 59 # define NETINET 1 /* include internet support */ 60 # define MATCHGECOS 1 /* match user names from gecos field */ 61 # define XDEBUG 1 /* enable extended debugging */ 62 # ifdef NEWDB 63 # define USERDB 1 /* look in user database (requires NEWDB) */ 64 # endif 65 66 /********************************************************************** 67 ** 0/1 Compilation options. 68 ** #define these to 1 if they are available; 69 ** #define them to 0 otherwise. 70 **********************************************************************/ 71 72 # ifndef NAMED_BIND 73 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 74 # endif 75 76 /* 77 ** Most systems have symbolic links today, so default them on. You 78 ** can turn them off by #undef'ing this below. 79 */ 80 81 # define HASLSTAT 1 /* has lstat(2) call */ 82 83 /* 84 ** General "standard C" defines. 85 ** 86 ** These may be undone later, to cope with systems that claim to 87 ** be Standard C but aren't. Gcc is the biggest offender -- it 88 ** doesn't realize that the library is part of the language. 89 ** 90 ** Life would be much easier if we could get rid of this sort 91 ** of bozo problems. 92 */ 93 94 #ifdef __STDC__ 95 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 96 #endif 97 98 /********************************************************************** 99 ** Operating system configuration. 100 ** 101 ** Unless you are porting to a new OS, you shouldn't have to 102 ** change these. 103 **********************************************************************/ 104 105 /* 106 ** Per-Operating System defines 107 */ 108 109 110 /* 111 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 112 */ 113 114 #ifdef __hpux 115 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 116 # undef m_flags 117 # define SYSTEM5 1 /* include all the System V defines */ 118 # define HASINITGROUPS 1 /* has initgroups(3) call */ 119 # define HASSETREUID 1 /* has setreuid(2) call */ 120 # define setreuid(r, e) setresuid(r, e, -1) 121 # define LA_TYPE LA_SUBR 122 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 123 # define GIDSET_T gid_t 124 # define _PATH_UNIX "/hp-ux" 125 # ifndef _PATH_SENDMAILCF 126 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 127 # endif 128 # ifndef IDENTPROTO 129 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 130 # endif 131 # ifndef HASGETUSERSHELL 132 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 133 # endif 134 # define syslog hard_syslog 135 # ifdef __STDC__ 136 extern int syslog(int, char *, ...); 137 # endif 138 #endif 139 140 141 /* 142 ** IBM AIX 3.x -- actually tested for 3.2.3 143 */ 144 145 #ifdef _AIX3 146 # define HASINITGROUPS 1 /* has initgroups(3) call */ 147 # define HASUNAME 1 /* use System V uname(2) system call */ 148 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 149 # define FORK fork /* no vfork primitive available */ 150 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 151 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 152 # define LA_TYPE LA_INT 153 #endif 154 155 156 /* 157 ** Silicon Graphics IRIX 158 ** 159 ** Compiles on 4.0.1. 160 ** 161 ** Use IRIX64 instead of IRIX for 64-bit IRIX. 162 ** 163 ** IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>. 164 */ 165 166 #ifdef IRIX64 167 # define IRIX 168 #endif 169 170 #ifdef IRIX 171 # define SYSTEM5 1 /* this is a System-V derived system */ 172 # define HASSETREUID 1 /* has setreuid(2) call */ 173 # define HASINITGROUPS 1 /* has initgroups(3) call */ 174 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 175 # define FORK fork /* no vfork primitive available */ 176 # ifndef IRIX64 /* IRIX 6.0 */ 177 # define WAITUNION 1 /* use "union wait" as wait argument type */ 178 # endif 179 # define setpgid BSDsetpgrp 180 # define GIDSET_T gid_t 181 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 182 # define SFS_BAVAIL f_bfree /* alternate field name */ 183 # define LA_TYPE LA_INT 184 # ifdef IRIX64 185 # define NAMELISTMASK 0x7fffffffffffffff /* mask for nlist() values */ 186 # else 187 # define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ 188 # endif 189 #endif 190 191 192 /* 193 ** SunOS and Solaris 194 ** 195 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 196 ** Solaris 2.2 (a.k.a. SunOS 5.2). 197 */ 198 199 #if defined(sun) && !defined(BSD) 200 201 # define HASINITGROUPS 1 /* has initgroups(3) call */ 202 # define HASUNAME 1 /* use System V uname(2) system call */ 203 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 204 # define LA_TYPE LA_INT 205 206 # ifdef SOLARIS_2_3 207 # define SOLARIS /* for back compat only -- use -DSOLARIS=203 */ 208 # endif 209 210 # ifdef SOLARIS 211 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 212 # ifndef __svr4__ 213 # define __svr4__ /* use all System V Releae 4 defines below */ 214 # endif 215 # include <sys/time.h> 216 # define GIDSET_T gid_t 217 # ifndef _PATH_UNIX 218 # define _PATH_UNIX "/dev/ksyms" 219 # endif 220 # ifndef _PATH_SENDMAILCF 221 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 222 # endif 223 # ifndef _PATH_SENDMAILPID 224 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 225 # endif 226 # ifndef SYSLOG_BUFSIZE 227 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 228 # endif 229 # if SOLARIS < 204 230 # define gethostbyname solaris_gethostbyname /* get good version */ 231 # define gethostbyaddr solaris_gethostbyaddr /* get good version */ 232 # endif 233 234 # else 235 /* SunOS 4.0.3 or 4.1.x */ 236 # define HASSETREUID 1 /* has setreuid(2) call */ 237 # ifndef HASFLOCK 238 # define HASFLOCK 1 /* has flock(2) call */ 239 # endif 240 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 241 # include <vfork.h> 242 243 # ifdef SUNOS403 244 /* special tweaking for SunOS 4.0.3 */ 245 # include <malloc.h> 246 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 247 # define WAITUNION 1 /* use "union wait" as wait argument type */ 248 # undef WIFEXITED 249 # undef WEXITSTATUS 250 # undef HASUNAME 251 # define setpgid setpgrp 252 typedef int pid_t; 253 extern char *getenv(); 254 255 # else 256 /* 4.1.x specifics */ 257 # define HASSETSID 1 /* has Posix setsid(2) call */ 258 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 259 260 # endif 261 # endif 262 #endif 263 264 /* 265 ** DG/UX 266 ** 267 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 268 ** older support. 269 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 270 */ 271 272 #ifdef DGUX_5_4_2 273 # define DGUX 1 274 #endif 275 276 #ifdef DGUX 277 # define SYSTEM5 1 278 # define LA_TYPE LA_SUBR 279 # define HASSETREUID 1 /* has setreuid(2) call */ 280 # define HASUNAME 1 /* use System V uname(2) system call */ 281 # define HASSETSID 1 /* has Posix setsid(2) call */ 282 # define HASINITGROUPS 1 /* has initgroups(3) call */ 283 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 284 # ifndef IDENTPROTO 285 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 286 # endif 287 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 288 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 289 290 /* these include files must be included early on DG/UX */ 291 # include <netinet/in.h> 292 # include <arpa/inet.h> 293 294 # ifdef DGUX_5_4_2 295 # define inet_addr dgux_inet_addr 296 extern long dgux_inet_addr(); 297 # endif 298 #endif 299 300 301 /* 302 ** Digital Ultrix 4.2A or 4.3 303 ** 304 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 305 ** not dropped when the process exits. This causes major problems, 306 ** so flock is the only alternative. 307 */ 308 309 #ifdef ultrix 310 # define HASSETREUID 1 /* has setreuid(2) call */ 311 # define HASUNSETENV 1 /* has unsetenv(3) call */ 312 # define HASINITGROUPS 1 /* has initgroups(3) call */ 313 # define HASUNAME 1 /* use System V uname(2) system call */ 314 # ifndef HASFLOCK 315 # define HASFLOCK 1 /* has flock(2) call */ 316 # endif 317 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 318 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 319 # ifdef vax 320 # define LA_TYPE LA_FLOAT 321 # else 322 # define LA_TYPE LA_INT 323 # define LA_AVENRUN "avenrun" 324 # endif 325 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 326 # ifndef IDENTPROTO 327 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 328 # endif 329 #endif 330 331 332 /* 333 ** OSF/1 for Intel Paragon. 334 ** 335 ** Contributed by Jeff A. Earickson <jeff@ssd.intel.com> 336 ** of Intel Scalable Systems Divison. 337 */ 338 339 #ifdef __PARAGON__ 340 # define __osf__ 1 /* get OSF/1 defines below */ 341 # ifndef _PATH_SENDMAILCF 342 # define _PATH_SENDMAILCF "/var/adm/sendmail/sendmail.cf" 343 # endif 344 #endif 345 346 347 /* 348 ** OSF/1 (tested on Alpha) 349 */ 350 351 #ifdef __osf__ 352 # define HASUNSETENV 1 /* has unsetenv(3) call */ 353 # define HASSETREUID 1 /* has setreuid(2) call */ 354 # define HASINITGROUPS 1 /* has initgroups(3) call */ 355 # ifndef HASFLOCK 356 # define HASFLOCK 1 /* has flock(2) call */ 357 # endif 358 # define LA_TYPE LA_INT 359 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 360 # ifndef _PATH_SENDMAILPID 361 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 362 # endif 363 #endif 364 365 366 /* 367 ** NeXTstep 368 */ 369 370 #ifdef NeXT 371 # define HASINITGROUPS 1 /* has initgroups(3) call */ 372 # ifndef HASFLOCK 373 # define HASFLOCK 1 /* has flock(2) call */ 374 # endif 375 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 376 # define WAITUNION 1 /* use "union wait" as wait argument type */ 377 # define sleep sleepX 378 # define setpgid setpgrp 379 # ifndef LA_TYPE 380 # define LA_TYPE LA_MACH 381 # endif 382 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 383 # ifndef _POSIX_SOURCE 384 typedef int pid_t; 385 # undef WEXITSTATUS 386 # undef WIFEXITED 387 # endif 388 # ifndef _PATH_SENDMAILCF 389 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 390 # endif 391 # ifndef _PATH_SENDMAILPID 392 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 393 # endif 394 #endif 395 396 397 /* 398 ** 4.4 BSD 399 ** 400 ** See also BSD defines. 401 */ 402 403 #ifdef BSD4_4 404 # define HASUNSETENV 1 /* has unsetenv(3) call */ 405 # include <sys/cdefs.h> 406 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 407 # ifndef LA_TYPE 408 # define LA_TYPE LA_SUBR 409 # endif 410 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 411 # define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */ 412 #endif 413 414 415 /* 416 ** BSD/386 (all versions) 417 ** From Tony Sanders, BSDI 418 */ 419 420 #ifdef __bsdi__ 421 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 422 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 423 # include <sys/cdefs.h> 424 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 425 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 426 # ifndef LA_TYPE 427 # define LA_TYPE LA_SUBR 428 # endif 429 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 430 /* version 1.1 or later */ 431 # undef SPT_TYPE 432 # define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ 433 # else 434 /* version 1.0 or earlier */ 435 # ifndef OLD_NEWDB 436 # define OLD_NEWDB 1 /* old version of newdb library */ 437 # endif 438 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 439 # endif 440 #endif 441 442 443 444 /* 445 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 446 ** 447 ** 4.3BSD clone, closer to 4.4BSD 448 ** 449 ** See also BSD defines. 450 */ 451 452 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 453 # define HASUNSETENV 1 /* has unsetenv(3) call */ 454 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 455 # ifdef __NetBSD__ 456 # define HASUNAME 1 /* has uname(2) syscall */ 457 # endif 458 # include <sys/cdefs.h> 459 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 460 # ifndef LA_TYPE 461 # define LA_TYPE LA_SUBR 462 # endif 463 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 464 #endif 465 466 467 /* 468 ** Mach386 469 ** 470 ** For mt Xinu's Mach386 system. 471 */ 472 473 #if defined(MACH) && defined(i386) 474 # define MACH386 1 475 # define HASUNSETENV 1 /* has unsetenv(3) call */ 476 # define HASINITGROUPS 1 /* has initgroups(3) call */ 477 # ifndef HASFLOCK 478 # define HASFLOCK 1 /* has flock(2) call */ 479 # endif 480 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 481 # define NEEDSTRTOL 1 /* need the strtol() function */ 482 # define setpgid setpgrp 483 # ifndef LA_TYPE 484 # define LA_TYPE LA_FLOAT 485 # endif 486 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 487 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 488 # undef WEXITSTATUS 489 # undef WIFEXITED 490 # ifndef _PATH_SENDMAILCF 491 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 492 # endif 493 # ifndef _PATH_SENDMAILPID 494 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 495 # endif 496 #endif 497 498 499 /* 500 ** 4.3 BSD -- this is for very old systems 501 ** 502 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 503 ** 504 ** You'll also have to install a new resolver library. 505 ** I don't guarantee that support for this environment is complete. 506 */ 507 508 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 509 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 510 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 511 # define ARBPTR_T char * 512 # define setpgid setpgrp 513 # ifndef LA_TYPE 514 # define LA_TYPE LA_FLOAT 515 # endif 516 # ifndef _PATH_SENDMAILCF 517 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 518 # endif 519 # ifndef IDENTPROTO 520 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 521 # endif 522 # undef WEXITSTATUS 523 # undef WIFEXITED 524 typedef short pid_t; 525 extern int errno; 526 #endif 527 528 529 /* 530 ** SCO Unix 531 ** 532 ** This includes two parts -- the first is for SCO Open Server 3.2v4 533 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 534 ** The second is, I believe, for an older version. 535 */ 536 537 #ifdef _SCO_unix_4_2 538 # define _SCO_unix_ 539 # define HASSETREUID 1 /* has setreuid(2) call */ 540 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 541 # define _PATH_UNIX "/unix" 542 # ifndef _PATH_SENDMAILCF 543 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 544 # endif 545 # ifndef _PATH_SENDMAILPID 546 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 547 # endif 548 #endif 549 550 #ifdef _SCO_unix_ 551 # define SYSTEM5 1 /* include all the System V defines */ 552 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 553 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 554 # define FORK fork 555 # define MAXPATHLEN PATHSIZE 556 # define LA_TYPE LA_SHORT 557 # define SFS_TYPE SFS_4ARGS /* use <sys/statfs.h> 4-arg impl */ 558 # define SFS_BAVAIL f_bfree /* alternate field name */ 559 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 560 # undef NETUNIX /* no unix domain socket support */ 561 #endif 562 563 564 /* 565 ** ISC (SunSoft) Unix. 566 ** 567 ** Contributed by J.J. Bailey <jjb@jagware.bcc.com> 568 */ 569 570 #ifdef ISC_UNIX 571 # include <net/errno.h> 572 # define SYSTEM5 1 /* include all the System V defines */ 573 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 574 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 575 # define HASSETREUID 1 /* has setreuid(2) call */ 576 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 577 # undef NETUNIX /* no unix domain socket support */ 578 # define FORK fork 579 # define MAXPATHLEN 1024 580 # define LA_TYPE LA_SHORT 581 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 582 # define SFS_BAVAIL f_bfree /* alternate field name */ 583 # define _PATH_UNIX "/unix" 584 # ifndef _PATH_SENDMAILCF 585 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 586 # endif 587 # ifndef _PATH_SENDMAILPID 588 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 589 # endif 590 591 typedef short pid_t; 592 593 #endif 594 595 596 /* 597 ** Altos System V. 598 ** Contributed by Tim Rice <timr@crl.com>. 599 */ 600 601 #ifdef ALTOS_SYS_V 602 # include <limits.h> 603 # define SYSTEM5 1 /* include all the System V defines */ 604 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 605 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 606 # define WAITUNION 1 /* use "union wait" as wait argument type */ 607 # define NEEDFSYNC 1 /* no fsync(2) in system library */ 608 # define FORK fork 609 # define MAXPATHLEN PATHSIZE 610 # define LA_TYPE LA_SHORT 611 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 612 # define SFS_BAVAIL f_bfree /* alternate field name */ 613 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 614 # undef NETUNIX /* no unix domain socket support */ 615 # undef WIFEXITED 616 # undef WEXITSTATUS 617 # define strtoul strtol /* gcc library bogosity */ 618 619 typedef unsigned short uid_t; 620 typedef unsigned short gid_t; 621 typedef short pid_t; 622 #endif 623 624 625 /* 626 ** ConvexOS 11.0 and later 627 ** 628 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 629 ** works on 9.1 as well. 630 */ 631 632 #ifdef _CONVEX_SOURCE 633 # define BSD 1 /* include all the BSD defines */ 634 # define HASUNAME 1 /* use System V uname(2) system call */ 635 # define HASSETSID 1 /* has POSIX setsid(2) call */ 636 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 637 # define LA_TYPE LA_FLOAT 638 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 639 # ifndef _PATH_SENDMAILCF 640 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 641 # endif 642 # ifndef S_IREAD 643 # define S_IREAD _S_IREAD 644 # define S_IWRITE _S_IWRITE 645 # define S_IEXEC _S_IEXEC 646 # define S_IFMT _S_IFMT 647 # define S_IFCHR _S_IFCHR 648 # define S_IFBLK _S_IFBLK 649 # endif 650 # ifndef IDENTPROTO 651 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 652 # endif 653 #endif 654 655 656 /* 657 ** RISC/os 4.52 658 ** 659 ** Gives a ton of warning messages, but otherwise compiles. 660 */ 661 662 #ifdef RISCOS 663 664 # define HASUNSETENV 1 /* has unsetenv(3) call */ 665 # ifndef HASFLOCK 666 # define HASFLOCK 1 /* has flock(2) call */ 667 # endif 668 # define WAITUNION 1 /* use "union wait" as wait argument type */ 669 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 670 # define LA_TYPE LA_INT 671 # define LA_AVENRUN "avenrun" 672 # define _PATH_UNIX "/unix" 673 # undef WIFEXITED 674 675 # define setpgid setpgrp 676 677 extern int errno; 678 typedef int pid_t; 679 #define SIGFUNC_DEFINED 680 typedef int (*sigfunc_t)(); 681 extern char *getenv(); 682 extern void *malloc(); 683 684 #endif 685 686 687 /* 688 ** Linux 0.99pl10 and above... 689 ** 690 ** Thanks to, in reverse order of contact: 691 ** 692 ** John Kennedy <warlock@csuchico.edu> 693 ** Andrew Pam <avatar@aus.xanadu.com> 694 ** Florian La Roche <rzsfl@rz.uni-sb.de> 695 ** Karl London <karl@borg.demon.co.uk> 696 ** 697 ** Last compiled against: [12/14/94 @ 11:38:41 PM (Wednesday)] 698 ** sendmail 8.7.a.5 named 4.9.3-beta12-p1 db-1.85 699 ** gcc 2.6.2 libc.so.4.6.20 700 ** slackware 2.1.0 linux 1.1.70 701 */ 702 703 #ifdef __linux__ 704 # define BSD 1 /* include BSD defines */ 705 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 706 # define HASUNAME 1 /* use System V uname(2) system call */ 707 # define HASUNSETENV 1 /* has unsetenv(3) call */ 708 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 709 # define GIDSET_T gid_t /* from <linux/types.h> */ 710 # define HASGETUSERSHELL 0 /* getusershell(3) broken in Slackware 2.0 */ 711 # ifndef HASFLOCK 712 # define HASFLOCK 0 /* flock(2) is broken after 0.99.13 */ 713 # endif 714 # ifndef LA_TYPE 715 # define LA_TYPE LA_PROCSTR 716 # endif 717 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 718 # ifndef _PATH_SENDMAILPID 719 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 720 # endif 721 # define TZ_TYPE TZ_TNAME 722 # include <sys/sysmacros.h> 723 # undef atol /* wounded in <stdlib.h> */ 724 #endif 725 726 727 /* 728 ** DELL SVR4 Issue 2.2, and others 729 ** From Kimmo Suominen <kim@grendel.lut.fi> 730 ** 731 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 732 ** defined, and the definitions conflict. 733 ** 734 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 735 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 736 ** (SVR4.0/386 version 3.0). 737 */ 738 739 #ifdef DELL_SVR4 740 /* no changes necessary */ 741 /* see general __svr4__ defines below */ 742 #endif 743 744 745 /* 746 ** Apple A/UX 3.0 747 */ 748 749 #ifdef _AUX_SOURCE 750 # include <sys/sysmacros.h> 751 # define BSD /* has BSD routines */ 752 # define HASUNAME 1 /* use System V uname(2) system call */ 753 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 754 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 755 # ifndef IDENTPROTO 756 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 757 # endif 758 # define FORK fork 759 # ifndef _PATH_SENDMAILCF 760 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 761 # endif 762 # ifndef LA_TYPE 763 # define LA_TYPE LA_ZERO 764 # endif 765 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 766 # undef WIFEXITED 767 # undef WEXITSTATUS 768 #endif 769 770 771 /* 772 ** Encore UMAX V 773 ** 774 ** Not extensively tested. 775 */ 776 777 #ifdef UMAXV 778 # include <limits.h> 779 # define HASUNAME 1 /* use System V uname(2) system call */ 780 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 781 # define HASINITGROUPS 1 /* has initgroups(3) call */ 782 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 783 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 784 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 785 # define FORK fork /* no vfork(2) primitive available */ 786 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 787 # define MAXPATHLEN PATH_MAX 788 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 789 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 790 # undef WIFEXITED 791 # undef WEXITSTATUS 792 #endif 793 794 795 /* 796 ** Stardent Titan 3000 running TitanOS 4.2. 797 ** 798 ** Must be compiled in "cc -43" mode. 799 ** 800 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 801 ** 802 ** Note the tweaking below after the BSD defines are set. 803 */ 804 805 #ifdef titan 806 # define setpgid setpgrp 807 typedef int pid_t; 808 # undef WIFEXITED 809 # undef WEXITSTATUS 810 #endif 811 812 813 /* 814 ** Sequent DYNIX 3.2.0 815 ** 816 ** From Jim Davis <jdavis@cs.arizona.edu>. 817 */ 818 819 #ifdef sequent 820 821 # define BSD 1 822 # define HASUNSETENV 1 823 # define BSD4_3 1 /* to get signal() in conf.c */ 824 # define WAITUNION 1 825 # define LA_TYPE LA_FLOAT 826 # ifdef _POSIX_VERSION 827 # undef _POSIX_VERSION /* set in <unistd.h> */ 828 # endif 829 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 830 # define setpgid setpgrp 831 832 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 833 # undef WIFEXITED 834 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 835 ((union wait*)&(s))->w_termsig == 0) 836 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 837 typedef int pid_t; 838 # define isgraph(c) (isprint(c) && (c != ' ')) 839 840 # ifndef IDENTPROTO 841 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 842 # endif 843 844 # ifndef _PATH_UNIX 845 # define _PATH_UNIX "/dynix" 846 # endif 847 # ifndef _PATH_SENDMAILCF 848 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 849 # endif 850 851 #endif 852 853 854 /* 855 ** Sequent DYNIX/ptx v2.0 (and higher) 856 ** 857 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 858 ** 859 ** From Tim Wright <timw@sequent.com>. 860 */ 861 862 #ifdef _SEQUENT_ 863 # define SYSTEM5 1 /* include all the System V defines */ 864 # define HASSETSID 1 /* has POSIX setsid(2) call */ 865 # define HASINITGROUPS 1 /* has initgroups(3) call */ 866 # define HASSETREUID 1 /* has setreuid(2) call */ 867 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 868 # define GIDSET_T gid_t 869 # define LA_TYPE LA_INT 870 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 871 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 872 # ifndef IDENTPROTO 873 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 874 # endif 875 # ifndef _PATH_SENDMAILCF 876 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 877 # endif 878 # ifndef _PATH_SENDMAILPID 879 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 880 # endif 881 #endif 882 883 884 /* 885 ** Cray Unicos 886 ** 887 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 888 */ 889 890 #ifdef UNICOS 891 # define SYSTEM5 1 /* include all the System V defines */ 892 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 893 # define MAXPATHLEN PATHSIZE 894 # define LA_TYPE LA_ZERO 895 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 896 # define SFS_BAVAIL f_bfree /* alternate field name */ 897 #endif 898 899 900 /* 901 ** Apollo DomainOS 902 ** 903 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 904 ** 905 ** 15 Jan 1994 906 ** 907 */ 908 909 #ifdef apollo 910 # define HASSETREUID 1 /* has setreuid(2) call */ 911 # define HASINITGROUPS 1 /* has initgroups(2) call */ 912 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 913 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 914 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 915 # define SFS_BAVAIL f_bfree /* alternate field name */ 916 # ifndef _PATH_SENDMAILCF 917 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 918 # endif 919 # ifndef _PATH_SENDMAILPID 920 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 921 # endif 922 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 923 # undef S_IFIFO 924 # define S_IFIFO 0010000 925 # ifndef IDENTPROTO 926 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 927 # endif 928 #endif 929 930 931 /* 932 ** UnixWare 1.1.2. 933 ** 934 ** From Evan Champion <evanc@spatial.synapse.org>. 935 */ 936 937 #ifdef UNIXWARE 938 # define SYSTEM5 1 939 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 940 # define HASGETDTABLESIZE 1 941 # define HASSETREUID 1 942 # define HASSETSID 1 943 # define HASINITGROUPS 1 944 # define GIDSET_T gid_t 945 # define SLEEP_T unsigned 946 # define SFS_TYPE SFS_STATVFS 947 # define LA_TYPE LA_ZERO 948 # undef WIFEXITED 949 # undef WEXITSTATUS 950 # define _PATH_UNIX "/unix" 951 # ifndef _PATH_SENDMAILCF 952 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 953 # endif 954 # ifndef _PATH_SENDMAILPID 955 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 956 # endif 957 # define SYSLOG_BUFSIZE 128 958 #endif 959 960 961 /* 962 ** Intergraph CLIX 3.1 963 ** 964 ** From Paul Southworth <pauls@locust.cic.net> 965 */ 966 967 #ifdef CLIX 968 # define SYSTEM5 1 /* looks like System V */ 969 # ifndef HASGETUSERSHELL 970 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 971 # endif 972 # define DEV_BSIZE 512 /* device block size not defined */ 973 # define GIDSET_T gid_t 974 # undef LOG /* syslog not available */ 975 # define NEEDFSYNC 1 /* no fsync in system library */ 976 # define GETSHORT _getshort 977 #endif 978 979 980 /* 981 ** NCR 3000 Series (SysVr4) 982 ** 983 ** From Kevin Darcy <kevin@tech.mis.cfc.com>. 984 */ 985 986 #ifdef NCR3000 987 # define __svr4__ 988 # undef BSD 989 # define LA_AVENRUN "avenrun" 990 #endif 991 992 993 /* 994 ** Tandem NonStop-UX SVR4 995 ** 996 ** From Rick McCarty <mccarty@mpd.tandem.com>. 997 */ 998 999 #ifdef NonStop_UX_BXX 1000 # define __svr4__ 1001 #endif 1002 1003 1004 /* 1005 ** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2. 1006 ** 1007 ** Tested for 1.04 and 1.03 1008 ** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>. 1009 */ 1010 1011 #ifdef __H3050R 1012 # define SYSTEM5 1 /* include all the System V defines */ 1013 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1014 # define setreuid(r, e) setresuid(r, e, -1) 1015 # define LA_TYPE LA_FLOAT 1016 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 1017 # define HASSETVBUF /* HI-UX has no setlinebuf */ 1018 # ifndef GIDSET_T 1019 # define GIDSET_T gid_t 1020 # endif 1021 # ifndef _PATH_UNIX 1022 # define _PATH_UNIX "/HI-UX" 1023 # endif 1024 # ifndef _PATH_SENDMAILCF 1025 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1026 # endif 1027 # ifndef IDENTPROTO 1028 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 1029 # endif 1030 # ifndef HASGETUSERSHELL 1031 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 1032 # endif 1033 1034 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */ 1035 # undef m_flags 1036 1037 # ifdef __STDC__ 1038 extern int syslog(int, char *, ...); 1039 # endif 1040 1041 #endif 1042 1043 1044 /* 1045 ** Amdahl UTS System V 2.1.5 (SVr3-based) 1046 ** 1047 ** From: Janet Jackson <janet@dialix.oz.au>. 1048 */ 1049 1050 #ifdef _UTS 1051 # include <sys/sysmacros.h> 1052 # undef HASLSTAT /* has symlinks, but they cause problems */ 1053 # define NEEDFSYNC 1 /* system fsync(2) fails on non-EFS filesys */ 1054 # define SYS5SIGNALS 1 /* System V signal semantics */ 1055 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1056 # define HASUNAME 1 /* use System V uname(2) system call */ 1057 # define HASINITGROUPS 1 /* has initgroups(3) function */ 1058 # define HASSETVBUF 1 /* has setvbuf(3) function */ 1059 # define HASSIGSETMASK 0 /* does not have sigsetmask(2) function */ 1060 # ifndef HASGETUSERSHELL 1061 # define HASGETUSERSHELL 0 /* does not have getusershell(3) function */ 1062 # endif 1063 # define GIDSET_T gid_t /* type of 2nd arg to getgroups(2) isn't int */ 1064 # define LA_TYPE LA_ZERO /* doesn't have load average */ 1065 # define SFS_TYPE SFS_4ARGS /* use 4-arg statfs() */ 1066 # define SFS_BAVAIL f_bfree /* alternate field name */ 1067 # define _PATH_UNIX "/unix" 1068 # ifndef _PATH_SENDMAILCF 1069 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1070 # endif 1071 #endif 1072 1073 /* 1074 ** Cray Computer Corporation's CSOS 1075 ** 1076 ** Contributed by Scott Bolte <scott@craycos.com>. 1077 */ 1078 1079 #ifdef _CRAYCOM 1080 # define SYSTEM5 1 /* include all the System V defines */ 1081 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 1082 # define NEEDFSYNC 1 /* no fsync in system library */ 1083 # define MAXPATHLEN PATHSIZE 1084 # define LA_TYPE LA_ZERO 1085 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 1086 # define SFS_BAVAIL f_bfree /* alternate field name */ 1087 # define _POSIX_CHOWN_RESTRICTED -1 1088 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 1089 #endif 1090 1091 1092 /********************************************************************** 1093 ** End of Per-Operating System defines 1094 **********************************************************************/ 1095 1096 /********************************************************************** 1097 ** More general defines 1098 **********************************************************************/ 1099 1100 /* general BSD defines */ 1101 #ifdef BSD 1102 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 1103 # define HASSETREUID 1 /* has setreuid(2) call */ 1104 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1105 # ifndef HASSETRLIMIT 1106 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1107 # endif 1108 # ifndef HASFLOCK 1109 # define HASFLOCK 1 /* has flock(2) call */ 1110 # endif 1111 # ifndef TZ_TYPE 1112 # define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ 1113 # endif 1114 #endif 1115 1116 /* general System V Release 4 defines */ 1117 #ifdef __svr4__ 1118 # define SYSTEM5 1 1119 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 1120 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1121 # ifndef HASSETRLIMIT 1122 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1123 # endif 1124 # ifndef HASGETUSERSHELL 1125 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 1126 # endif 1127 # define setreuid(r, e) seteuid(e) 1128 1129 # ifndef _PATH_UNIX 1130 # define _PATH_UNIX "/unix" 1131 # endif 1132 # ifndef _PATH_SENDMAILCF 1133 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 1134 # endif 1135 # ifndef _PATH_SENDMAILPID 1136 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 1137 # endif 1138 # ifndef SYSLOG_BUFSIZE 1139 # define SYSLOG_BUFSIZE 128 1140 # endif 1141 # ifndef SFS_TYPE 1142 # define SFS_TYPE SFS_STATVFS 1143 # endif 1144 #endif 1145 1146 /* general System V defines */ 1147 #ifdef SYSTEM5 1148 # include <sys/sysmacros.h> 1149 # define HASUNAME 1 /* use System V uname(2) system call */ 1150 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1151 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 1152 # ifndef HASULIMIT 1153 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 1154 # endif 1155 # ifndef LA_TYPE 1156 # define LA_TYPE LA_INT /* assume integer load average */ 1157 # endif 1158 # ifndef SFS_TYPE 1159 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 1160 # endif 1161 # ifndef TZ_TYPE 1162 # define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ 1163 # endif 1164 # define bcopy(s, d, l) (memmove((d), (s), (l))) 1165 # define bzero(d, l) (memset((d), '\0', (l))) 1166 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 1167 #endif 1168 1169 /* general POSIX defines */ 1170 #ifdef _POSIX_VERSION 1171 # define HASSETSID 1 /* has Posix setsid(2) call */ 1172 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 1173 #endif 1174 1175 /* 1176 ** If no type for argument two of getgroups call is defined, assume 1177 ** it's an integer -- unfortunately, there seem to be several choices 1178 ** here. 1179 */ 1180 1181 #ifndef GIDSET_T 1182 # define GIDSET_T int 1183 #endif 1184 1185 /* 1186 ** Tweaking for systems that (for example) claim to be BSD or POSIX 1187 ** but don't have all the standard BSD or POSIX routines (boo hiss). 1188 */ 1189 1190 #ifdef titan 1191 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 1192 #endif 1193 1194 #ifdef _CRAYCOM 1195 # undef HASSETSID /* despite POSIX claim, doesn't have setsid */ 1196 #endif 1197 1198 #ifdef ISC_UNIX 1199 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1200 #endif 1201 1202 #ifdef ALTOS_SYS_V 1203 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1204 # undef bzero /* despite SystemV claim, uses BSD bzero */ 1205 # undef bcmp /* despite SystemV claim, uses BSD bcmp */ 1206 #endif 1207 1208 1209 /* 1210 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 1211 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 1212 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 1213 ** are closed. Some firewalls return this error if you try to connect 1214 ** to the IDENT port (113), so you can't receive email from these hosts 1215 ** on these systems. The firewall really should use a more specific 1216 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 1217 ** not explicitly set to zero above, default it on. 1218 */ 1219 1220 #ifndef IDENTPROTO 1221 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 1222 #endif 1223 1224 #ifndef HASGETUSERSHELL 1225 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1226 #endif 1227 1228 #ifndef HASFLOCK 1229 # define HASFLOCK 0 /* assume no flock(2) support */ 1230 #endif 1231 1232 #ifndef HASSETRLIMIT 1233 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1234 #endif 1235 1236 #ifndef HASULIMIT 1237 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1238 #endif 1239 1240 #ifndef OLD_NEWDB 1241 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1242 #endif 1243 1244 /* heuristic setting of HASSETSIGMASK; can override above */ 1245 #ifndef HASSIGSETMASK 1246 # ifdef SIGVTALRM 1247 # define HASSETSIGMASK 1 1248 # else 1249 # define HASSETSIGMASK 0 1250 # endif 1251 #endif 1252 1253 1254 /********************************************************************** 1255 ** Remaining definitions should never have to be changed. They are 1256 ** primarily to provide back compatibility for older systems -- for 1257 ** example, it includes some POSIX compatibility definitions 1258 **********************************************************************/ 1259 1260 /* System 5 compatibility */ 1261 #ifndef S_ISREG 1262 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1263 #endif 1264 #if !defined(S_ISLNK) && defined(S_IFLNK) 1265 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1266 #endif 1267 #ifndef S_IWUSR 1268 # define S_IWUSR 0200 1269 #endif 1270 #ifndef S_IWGRP 1271 # define S_IWGRP 0020 1272 #endif 1273 #ifndef S_IWOTH 1274 # define S_IWOTH 0002 1275 #endif 1276 1277 /* 1278 ** Older systems don't have this error code -- it should be in 1279 ** /usr/include/sysexits.h. 1280 */ 1281 1282 # ifndef EX_CONFIG 1283 # define EX_CONFIG 78 /* configuration error */ 1284 # endif 1285 1286 /* pseudo-code used in server SMTP */ 1287 # define EX_QUIT 22 /* drop out of server immediately */ 1288 1289 1290 /* 1291 ** These are used in a few cases where we need some special 1292 ** error codes, but where the system doesn't provide something 1293 ** reasonable. They are printed in errstring. 1294 */ 1295 1296 #ifndef E_PSEUDOBASE 1297 # define E_PSEUDOBASE 256 1298 #endif 1299 1300 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1301 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1302 1303 /* type of arbitrary pointer */ 1304 #ifndef ARBPTR_T 1305 # define ARBPTR_T void * 1306 #endif 1307 1308 #ifndef __P 1309 # include "cdefs.h" 1310 #endif 1311 1312 #if NAMED_BIND 1313 # include <arpa/nameser.h> 1314 # ifdef __svr4__ 1315 # ifdef NOERROR 1316 # undef NOERROR /* avoid compiler conflict with stream.h */ 1317 # endif 1318 # endif 1319 #endif 1320 1321 /* 1322 ** The size of an IP address -- can't use sizeof because of problems 1323 ** on Crays, where everything is 64 bits. This will break if/when 1324 ** IP addresses are expanded to eight bytes. 1325 */ 1326 1327 #ifndef INADDRSZ 1328 # define INADDRSZ 4 1329 #endif 1330 1331 /* 1332 ** The size of various known types -- for reading network protocols. 1333 ** Again, we can't use sizeof because of compiler randomness. 1334 */ 1335 1336 #ifndef INT16SZ 1337 # define INT16SZ 2 1338 #endif 1339 #ifndef INT32SZ 1340 # define INT32SZ 4 1341 #endif 1342 1343 /* 1344 ** Do some required dependencies 1345 */ 1346 1347 #if defined(NETINET) || defined(NETISO) 1348 # define SMTP 1 /* enable user and server SMTP */ 1349 # define QUEUE 1 /* enable queueing */ 1350 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1351 #endif 1352 1353 1354 /* 1355 ** Arrange to use either varargs or stdargs 1356 */ 1357 1358 # ifdef __STDC__ 1359 1360 # include <stdarg.h> 1361 1362 # define VA_LOCAL_DECL va_list ap; 1363 # define VA_START(f) va_start(ap, f) 1364 # define VA_END va_end(ap) 1365 1366 # else 1367 1368 # include <varargs.h> 1369 1370 # define VA_LOCAL_DECL va_list ap; 1371 # define VA_START(f) va_start(ap) 1372 # define VA_END va_end(ap) 1373 1374 # endif 1375 1376 #ifdef HASUNAME 1377 # include <sys/utsname.h> 1378 # ifdef newstr 1379 # undef newstr 1380 # endif 1381 #else /* ! HASUNAME */ 1382 # define NODE_LENGTH 32 1383 struct utsname 1384 { 1385 char nodename[NODE_LENGTH+1]; 1386 }; 1387 #endif /* HASUNAME */ 1388 1389 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V) 1390 # define MAXHOSTNAMELEN 256 1391 #endif 1392 1393 #if !defined(SIGCHLD) && defined(SIGCLD) 1394 # define SIGCHLD SIGCLD 1395 #endif 1396 1397 #ifndef STDIN_FILENO 1398 #define STDIN_FILENO 0 1399 #endif 1400 1401 #ifndef STDOUT_FILENO 1402 #define STDOUT_FILENO 1 1403 #endif 1404 1405 #ifndef STDERR_FILENO 1406 #define STDERR_FILENO 2 1407 #endif 1408 1409 #ifndef LOCK_SH 1410 # define LOCK_SH 0x01 /* shared lock */ 1411 # define LOCK_EX 0x02 /* exclusive lock */ 1412 # define LOCK_NB 0x04 /* non-blocking lock */ 1413 # define LOCK_UN 0x08 /* unlock */ 1414 #endif 1415 1416 #ifndef SIG_ERR 1417 # define SIG_ERR ((void (*)()) -1) 1418 #endif 1419 1420 #ifndef WEXITSTATUS 1421 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1422 #endif 1423 #ifndef WIFEXITED 1424 # define WIFEXITED(st) (((st) & 0377) == 0) 1425 #endif 1426 1427 #ifndef SIGFUNC_DEFINED 1428 typedef void (*sigfunc_t) __P((int)); 1429 #endif 1430 1431 /* size of syslog buffer */ 1432 #ifndef SYSLOG_BUFSIZE 1433 # define SYSLOG_BUFSIZE 1024 1434 #endif 1435 1436 /* 1437 ** Size of tobuf (deliver.c) 1438 ** Tweak this to match your syslog implementation. It will have to 1439 ** allow for the extra information printed. 1440 */ 1441 1442 #ifndef TOBUFSIZE 1443 # if (SYSLOG_BUFSIZE) > 512 1444 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1445 # else 1446 # define TOBUFSIZE 256 1447 # endif 1448 #endif 1449 1450 /* 1451 ** Size of prescan buffer. 1452 ** Despite comments in the _sendmail_ book, this probably should 1453 ** not be changed; there are some hard-to-define dependencies. 1454 */ 1455 1456 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1457 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1458 # ifndef FORK 1459 # define FORK vfork /* function to call to fork mailer */ 1460 # endif 1461 1462 /* 1463 ** If we are going to link scanf anyway, use it in readcf 1464 */ 1465 1466 #if !defined(HASUNAME) && !defined(SCANF) 1467 # define SCANF 1 1468 #endif 1469