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 8.145 (Berkeley) 03/31/95 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 # include <netdb.h> 23 # include <pwd.h> 24 25 /********************************************************************** 26 ** Table sizes, etc.... 27 ** There shouldn't be much need to change these.... 28 **********************************************************************/ 29 30 # define MAXLINE 2048 /* max line length */ 31 # define MAXNAME 256 /* max length of a name */ 32 # define MAXPV 40 /* max # of parms to mailers */ 33 # define MAXATOM 200 /* max atoms per address */ 34 # define MAXMAILERS 25 /* maximum mailers known to system */ 35 # define MAXRWSETS 200 /* max # of sets of rewriting rules */ 36 # define MAXPRIORITIES 25 /* max values for Precedence: field */ 37 # define MAXMXHOSTS 20 /* max # of MX records */ 38 # define SMTPLINELIM 990 /* maximum SMTP line length */ 39 # define MAXKEY 128 /* maximum size of a database key */ 40 # define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ 41 # define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ 42 # define MAXALIASDB 12 /* max # of alias databases */ 43 # define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */ 44 # define MAXTOCLASS 8 /* max # of message timeout classes */ 45 # define MAXMIMEARGS 20 /* max args in Content-Type: */ 46 # define MAXMIMENESTING 20 /* max MIME multipart nesting */ 47 48 # ifndef QUEUESIZE 49 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 50 # endif 51 52 /********************************************************************** 53 ** Compilation options. 54 ** 55 ** #define these if they are available; comment them out otherwise. 56 **********************************************************************/ 57 58 # define LOG 1 /* enable logging */ 59 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 60 # define NETUNIX 1 /* include unix domain support */ 61 # define NETINET 1 /* include internet support */ 62 # define MATCHGECOS 1 /* match user names from gecos field */ 63 # define XDEBUG 1 /* enable extended debugging */ 64 # ifdef NEWDB 65 # define USERDB 1 /* look in user database (requires NEWDB) */ 66 # endif 67 68 /********************************************************************** 69 ** 0/1 Compilation options. 70 ** #define these to 1 if they are available; 71 ** #define them to 0 otherwise. 72 **********************************************************************/ 73 74 # ifndef NAMED_BIND 75 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 76 # endif 77 78 /* 79 ** Most systems have symbolic links today, so default them on. You 80 ** can turn them off by #undef'ing this below. 81 */ 82 83 # define HASLSTAT 1 /* has lstat(2) call */ 84 85 /* 86 ** General "standard C" defines. 87 ** 88 ** These may be undone later, to cope with systems that claim to 89 ** be Standard C but aren't. Gcc is the biggest offender -- it 90 ** doesn't realize that the library is part of the language. 91 ** 92 ** Life would be much easier if we could get rid of this sort 93 ** of bozo problems. 94 */ 95 96 #ifdef __STDC__ 97 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 98 #endif 99 100 /********************************************************************** 101 ** Operating system configuration. 102 ** 103 ** Unless you are porting to a new OS, you shouldn't have to 104 ** change these. 105 **********************************************************************/ 106 107 /* 108 ** Per-Operating System defines 109 */ 110 111 112 /* 113 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 114 */ 115 116 #ifdef __hpux 117 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 118 # undef m_flags 119 # define SYSTEM5 1 /* include all the System V defines */ 120 # define HASINITGROUPS 1 /* has initgroups(3) call */ 121 # define HASSETREUID 1 /* has setreuid(2) call */ 122 # define setreuid(r, e) setresuid(r, e, -1) 123 # define LA_TYPE LA_SUBR 124 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 125 # define GIDSET_T gid_t 126 # define _PATH_UNIX "/hp-ux" 127 # ifndef _PATH_SENDMAILCF 128 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 129 # endif 130 # ifndef IDENTPROTO 131 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 132 # endif 133 # ifndef HASGETUSERSHELL 134 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 135 # endif 136 # define syslog hard_syslog 137 # ifdef __STDC__ 138 extern int syslog(int, char *, ...); 139 # endif 140 #endif 141 142 143 /* 144 ** IBM AIX 3.x -- actually tested for 3.2.3 145 */ 146 147 #ifdef _AIX3 148 # define HASINITGROUPS 1 /* has initgroups(3) call */ 149 # define HASUNAME 1 /* use System V uname(2) system call */ 150 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 151 # define FORK fork /* no vfork primitive available */ 152 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 153 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 154 # define LA_TYPE LA_INT 155 #endif 156 157 158 /* 159 ** Silicon Graphics IRIX 160 ** 161 ** Compiles on 4.0.1. 162 ** 163 ** Use IRIX64 instead of IRIX for 64-bit IRIX (6.0). 164 ** Use IRIX5 instead of IRIX for IRIX 5.x. 165 ** 166 ** IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>. 167 ** IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>. 168 */ 169 170 #if defined(IRIX64) || defined(IRIX5) 171 # define IRIX 172 #endif 173 174 #ifdef IRIX 175 # define SYSTEM5 1 /* this is a System-V derived system */ 176 # define HASSETREUID 1 /* has setreuid(2) call */ 177 # define HASINITGROUPS 1 /* has initgroups(3) call */ 178 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 179 # define FORK fork /* no vfork primitive available */ 180 # if !defined(IRIX64) && !defined(IRIX5) 181 # define WAITUNION 1 /* use "union wait" as wait argument type */ 182 # endif 183 # define setpgid BSDsetpgrp 184 # define GIDSET_T gid_t 185 # define ARGV_T const char ** 186 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 187 # define SFS_BAVAIL f_bfree /* alternate field name */ 188 # define LA_TYPE LA_INT 189 # ifdef IRIX64 190 # define NAMELISTMASK 0x7fffffffffffffff /* mask for nlist() values */ 191 # else 192 # define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ 193 # endif 194 #endif 195 196 197 /* 198 ** SunOS and Solaris 199 ** 200 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 201 ** Solaris 2.2 (a.k.a. SunOS 5.2). 202 */ 203 204 #if defined(sun) && !defined(BSD) 205 206 # define HASINITGROUPS 1 /* has initgroups(3) call */ 207 # define HASUNAME 1 /* use System V uname(2) system call */ 208 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 209 # define LA_TYPE LA_INT 210 211 # ifdef SOLARIS_2_3 212 # define SOLARIS /* for back compat only -- use -DSOLARIS=203 */ 213 # endif 214 215 # ifdef SOLARIS 216 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 217 # ifndef __svr4__ 218 # define __svr4__ /* use all System V Releae 4 defines below */ 219 # endif 220 # include <sys/time.h> 221 # define GIDSET_T gid_t 222 # ifndef _PATH_UNIX 223 # define _PATH_UNIX "/dev/ksyms" 224 # endif 225 # ifndef _PATH_SENDMAILCF 226 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 227 # endif 228 # ifndef _PATH_SENDMAILPID 229 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 230 # endif 231 # ifndef SYSLOG_BUFSIZE 232 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 233 # endif 234 235 # else 236 /* SunOS 4.0.3 or 4.1.x */ 237 # define HASSETREUID 1 /* has setreuid(2) call */ 238 # ifndef HASFLOCK 239 # define HASFLOCK 1 /* has flock(2) call */ 240 # endif 241 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 242 # include <vfork.h> 243 244 # ifdef SUNOS403 245 /* special tweaking for SunOS 4.0.3 */ 246 # include <malloc.h> 247 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 248 # define WAITUNION 1 /* use "union wait" as wait argument type */ 249 # undef WIFEXITED 250 # undef WEXITSTATUS 251 # undef HASUNAME 252 # define setpgid setpgrp 253 typedef int pid_t; 254 extern char *getenv(); 255 256 # else 257 /* 4.1.x specifics */ 258 # define HASSETSID 1 /* has Posix setsid(2) call */ 259 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 260 261 # endif 262 # endif 263 #endif 264 265 /* 266 ** DG/UX 267 ** 268 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 269 ** older support. 270 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 271 */ 272 273 #ifdef DGUX_5_4_2 274 # define DGUX 1 275 #endif 276 277 #ifdef DGUX 278 # define SYSTEM5 1 279 # define LA_TYPE LA_SUBR 280 # define HASSETREUID 1 /* has setreuid(2) call */ 281 # define HASUNAME 1 /* use System V uname(2) system call */ 282 # define HASSETSID 1 /* has Posix setsid(2) call */ 283 # define HASINITGROUPS 1 /* has initgroups(3) call */ 284 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 285 # ifndef IDENTPROTO 286 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 287 # endif 288 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 289 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 290 291 /* these include files must be included early on DG/UX */ 292 # include <netinet/in.h> 293 # include <arpa/inet.h> 294 295 # ifdef DGUX_5_4_2 296 # define inet_addr dgux_inet_addr 297 extern long dgux_inet_addr(); 298 # endif 299 #endif 300 301 302 /* 303 ** Digital Ultrix 4.2A or 4.3 304 ** 305 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 306 ** not dropped when the process exits. This causes major problems, 307 ** so flock is the only alternative. 308 */ 309 310 #ifdef ultrix 311 # define HASSETREUID 1 /* has setreuid(2) call */ 312 # define HASUNSETENV 1 /* has unsetenv(3) call */ 313 # define HASINITGROUPS 1 /* has initgroups(3) call */ 314 # define HASUNAME 1 /* use System V uname(2) system call */ 315 # ifndef HASFLOCK 316 # define HASFLOCK 1 /* has flock(2) call */ 317 # endif 318 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 319 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 320 # ifdef vax 321 # define LA_TYPE LA_FLOAT 322 # else 323 # define LA_TYPE LA_INT 324 # define LA_AVENRUN "avenrun" 325 # endif 326 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 327 # ifndef IDENTPROTO 328 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 329 # endif 330 #endif 331 332 333 /* 334 ** OSF/1 for Intel Paragon. 335 ** 336 ** Contributed by Jeff A. Earickson <jeff@ssd.intel.com> 337 ** of Intel Scalable Systems Divison. 338 */ 339 340 #ifdef __PARAGON__ 341 # define __osf__ 1 /* get OSF/1 defines below */ 342 # ifndef _PATH_SENDMAILCF 343 # define _PATH_SENDMAILCF "/var/adm/sendmail/sendmail.cf" 344 # endif 345 #endif 346 347 348 /* 349 ** OSF/1 (tested on Alpha) 350 */ 351 352 #ifdef __osf__ 353 # define HASUNSETENV 1 /* has unsetenv(3) call */ 354 # define HASSETREUID 1 /* has setreuid(2) call */ 355 # define HASINITGROUPS 1 /* has initgroups(3) call */ 356 # ifndef HASFLOCK 357 # define HASFLOCK 1 /* has flock(2) call */ 358 # endif 359 # define LA_TYPE LA_INT 360 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 361 # ifndef _PATH_SENDMAILPID 362 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 363 # endif 364 #endif 365 366 367 /* 368 ** NeXTstep 369 */ 370 371 #ifdef NeXT 372 # define HASINITGROUPS 1 /* has initgroups(3) call */ 373 # ifndef HASFLOCK 374 # define HASFLOCK 1 /* has flock(2) call */ 375 # endif 376 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 377 # define WAITUNION 1 /* use "union wait" as wait argument type */ 378 # define UID_T int /* compiler gripes on uid_t */ 379 # define sleep sleepX 380 # define setpgid setpgrp 381 # ifndef LA_TYPE 382 # define LA_TYPE LA_MACH 383 # endif 384 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 385 # ifndef _POSIX_SOURCE 386 typedef int pid_t; 387 # undef WEXITSTATUS 388 # undef WIFEXITED 389 # endif 390 # ifndef _PATH_SENDMAILCF 391 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 392 # endif 393 # ifndef _PATH_SENDMAILPID 394 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 395 # endif 396 #endif 397 398 399 /* 400 ** 4.4 BSD 401 ** 402 ** See also BSD defines. 403 */ 404 405 #ifdef BSD4_4 406 # define HASUNSETENV 1 /* has unsetenv(3) call */ 407 # include <sys/cdefs.h> 408 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 409 # ifndef LA_TYPE 410 # define LA_TYPE LA_SUBR 411 # endif 412 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 413 # define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */ 414 #endif 415 416 417 /* 418 ** BSD/386 (all versions) 419 ** From Tony Sanders, BSDI 420 */ 421 422 #ifdef __bsdi__ 423 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 424 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 425 # include <sys/cdefs.h> 426 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 427 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 428 # ifndef LA_TYPE 429 # define LA_TYPE LA_SUBR 430 # endif 431 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 432 /* version 1.1 or later */ 433 # undef SPT_TYPE 434 # define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ 435 # else 436 /* version 1.0 or earlier */ 437 # ifndef OLD_NEWDB 438 # define OLD_NEWDB 1 /* old version of newdb library */ 439 # endif 440 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 441 # endif 442 #endif 443 444 445 446 /* 447 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 448 ** 449 ** 4.3BSD clone, closer to 4.4BSD 450 ** 451 ** See also BSD defines. 452 */ 453 454 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 455 # define HASUNSETENV 1 /* has unsetenv(3) call */ 456 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 457 # ifdef __NetBSD__ 458 # define HASUNAME 1 /* has uname(2) syscall */ 459 # endif 460 # include <sys/cdefs.h> 461 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 462 # ifndef LA_TYPE 463 # define LA_TYPE LA_SUBR 464 # endif 465 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 466 #endif 467 468 469 /* 470 ** Mach386 471 ** 472 ** For mt Xinu's Mach386 system. 473 */ 474 475 #if defined(MACH) && defined(i386) 476 # define MACH386 1 477 # define HASUNSETENV 1 /* has unsetenv(3) call */ 478 # define HASINITGROUPS 1 /* has initgroups(3) call */ 479 # ifndef HASFLOCK 480 # define HASFLOCK 1 /* has flock(2) call */ 481 # endif 482 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 483 # define NEEDSTRTOL 1 /* need the strtol() function */ 484 # define setpgid setpgrp 485 # ifndef LA_TYPE 486 # define LA_TYPE LA_FLOAT 487 # endif 488 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 489 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 490 # undef WEXITSTATUS 491 # undef WIFEXITED 492 # ifndef _PATH_SENDMAILCF 493 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 494 # endif 495 # ifndef _PATH_SENDMAILPID 496 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 497 # endif 498 #endif 499 500 501 /* 502 ** 4.3 BSD -- this is for very old systems 503 ** 504 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 505 ** 506 ** You'll also have to install a new resolver library. 507 ** I don't guarantee that support for this environment is complete. 508 */ 509 510 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 511 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 512 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 513 # define ARBPTR_T char * 514 # define setpgid setpgrp 515 # ifndef LA_TYPE 516 # define LA_TYPE LA_FLOAT 517 # endif 518 # ifndef _PATH_SENDMAILCF 519 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 520 # endif 521 # ifndef IDENTPROTO 522 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 523 # endif 524 # undef WEXITSTATUS 525 # undef WIFEXITED 526 typedef short pid_t; 527 extern int errno; 528 #endif 529 530 531 /* 532 ** SCO Unix 533 ** 534 ** This includes two parts -- the first is for SCO Open Server 3.2v4 535 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 536 ** The second is, I believe, for an older version. 537 */ 538 539 #ifdef _SCO_unix_4_2 540 # define _SCO_unix_ 541 # define HASSETREUID 1 /* has setreuid(2) call */ 542 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 543 # define _PATH_UNIX "/unix" 544 # ifndef _PATH_SENDMAILCF 545 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 546 # endif 547 # ifndef _PATH_SENDMAILPID 548 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 549 # endif 550 #endif 551 552 #ifdef _SCO_unix_ 553 # define SYSTEM5 1 /* include all the System V defines */ 554 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 555 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 556 # define FORK fork 557 # define MAXPATHLEN PATHSIZE 558 # define LA_TYPE LA_SHORT 559 # define SFS_TYPE SFS_4ARGS /* use <sys/statfs.h> 4-arg impl */ 560 # define SFS_BAVAIL f_bfree /* alternate field name */ 561 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 562 # undef NETUNIX /* no unix domain socket support */ 563 #endif 564 565 566 /* 567 ** ISC (SunSoft) Unix. 568 ** 569 ** Contributed by J.J. Bailey <jjb@jagware.bcc.com> 570 */ 571 572 #ifdef ISC_UNIX 573 # include <net/errno.h> 574 # define SYSTEM5 1 /* include all the System V defines */ 575 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 576 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 577 # define HASSETREUID 1 /* has setreuid(2) call */ 578 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 579 # undef NETUNIX /* no unix domain socket support */ 580 # define FORK fork 581 # define MAXPATHLEN 1024 582 # define LA_TYPE LA_SHORT 583 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 584 # define SFS_BAVAIL f_bfree /* alternate field name */ 585 # define _PATH_UNIX "/unix" 586 # ifndef _PATH_SENDMAILCF 587 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 588 # endif 589 # ifndef _PATH_SENDMAILPID 590 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 591 # endif 592 593 typedef short pid_t; 594 595 #endif 596 597 598 /* 599 ** Altos System V. 600 ** Contributed by Tim Rice <timr@crl.com>. 601 */ 602 603 #ifdef ALTOS_SYS_V 604 # include <limits.h> 605 # define SYSTEM5 1 /* include all the System V defines */ 606 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 607 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 608 # define WAITUNION 1 /* use "union wait" as wait argument type */ 609 # define NEEDFSYNC 1 /* no fsync(2) in system library */ 610 # define FORK fork 611 # define MAXPATHLEN PATHSIZE 612 # define LA_TYPE LA_SHORT 613 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 614 # define SFS_BAVAIL f_bfree /* alternate field name */ 615 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 616 # undef NETUNIX /* no unix domain socket support */ 617 # undef WIFEXITED 618 # undef WEXITSTATUS 619 # define strtoul strtol /* gcc library bogosity */ 620 621 typedef unsigned short uid_t; 622 typedef unsigned short gid_t; 623 typedef short pid_t; 624 #endif 625 626 627 /* 628 ** ConvexOS 11.0 and later 629 ** 630 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 631 ** works on 9.1 as well. 632 */ 633 634 #ifdef _CONVEX_SOURCE 635 # define BSD 1 /* include all the BSD defines */ 636 # define HASUNAME 1 /* use System V uname(2) system call */ 637 # define HASSETSID 1 /* has POSIX setsid(2) call */ 638 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 639 # define LA_TYPE LA_FLOAT 640 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 641 # ifndef _PATH_SENDMAILCF 642 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 643 # endif 644 # ifndef S_IREAD 645 # define S_IREAD _S_IREAD 646 # define S_IWRITE _S_IWRITE 647 # define S_IEXEC _S_IEXEC 648 # define S_IFMT _S_IFMT 649 # define S_IFCHR _S_IFCHR 650 # define S_IFBLK _S_IFBLK 651 # endif 652 # ifndef IDENTPROTO 653 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 654 # endif 655 #endif 656 657 658 /* 659 ** RISC/os 4.52 660 ** 661 ** Gives a ton of warning messages, but otherwise compiles. 662 */ 663 664 #ifdef RISCOS 665 666 # define HASUNSETENV 1 /* has unsetenv(3) call */ 667 # ifndef HASFLOCK 668 # define HASFLOCK 1 /* has flock(2) call */ 669 # endif 670 # define WAITUNION 1 /* use "union wait" as wait argument type */ 671 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 672 # define LA_TYPE LA_INT 673 # define LA_AVENRUN "avenrun" 674 # define _PATH_UNIX "/unix" 675 # undef WIFEXITED 676 677 # define setpgid setpgrp 678 679 extern int errno; 680 typedef int pid_t; 681 #define SIGFUNC_DEFINED 682 typedef int (*sigfunc_t)(); 683 extern char *getenv(); 684 extern void *malloc(); 685 686 #endif 687 688 689 /* 690 ** Linux 0.99pl10 and above... 691 ** 692 ** Thanks to, in reverse order of contact: 693 ** 694 ** John Kennedy <warlock@csuchico.edu> 695 ** Andrew Pam <avatar@aus.xanadu.com> 696 ** Florian La Roche <rzsfl@rz.uni-sb.de> 697 ** Karl London <karl@borg.demon.co.uk> 698 ** 699 ** Last compiled against: [12/14/94 @ 11:38:41 PM (Wednesday)] 700 ** sendmail 8.7.a.5 named 4.9.3-beta12-p1 db-1.85 701 ** gcc 2.6.2 libc.so.4.6.20 702 ** slackware 2.1.0 linux 1.1.70 703 */ 704 705 #ifdef __linux__ 706 # define BSD 1 /* include BSD defines */ 707 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 708 # define HASUNAME 1 /* use System V uname(2) system call */ 709 # define HASUNSETENV 1 /* has unsetenv(3) call */ 710 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 711 # define GIDSET_T gid_t /* from <linux/types.h> */ 712 # define HASGETUSERSHELL 0 /* getusershell(3) broken in Slackware 2.0 */ 713 # ifndef HASFLOCK 714 # define HASFLOCK 0 /* flock(2) is broken after 0.99.13 */ 715 # endif 716 # ifndef LA_TYPE 717 # define LA_TYPE LA_PROCSTR 718 # endif 719 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 720 # ifndef _PATH_SENDMAILPID 721 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 722 # endif 723 # define TZ_TYPE TZ_TNAME 724 # include <sys/sysmacros.h> 725 # undef atol /* wounded in <stdlib.h> */ 726 #endif 727 728 729 /* 730 ** DELL SVR4 Issue 2.2, and others 731 ** From Kimmo Suominen <kim@grendel.lut.fi> 732 ** 733 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 734 ** defined, and the definitions conflict. 735 ** 736 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 737 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 738 ** (SVR4.0/386 version 3.0). 739 */ 740 741 #ifdef DELL_SVR4 742 /* no changes necessary */ 743 /* see general __svr4__ defines below */ 744 #endif 745 746 747 /* 748 ** Apple A/UX 3.0 749 */ 750 751 #ifdef _AUX_SOURCE 752 # include <sys/sysmacros.h> 753 # define BSD /* has BSD routines */ 754 # define HASUNAME 1 /* use System V uname(2) system call */ 755 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 756 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 757 # ifndef IDENTPROTO 758 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 759 # endif 760 # define FORK fork 761 # ifndef _PATH_SENDMAILCF 762 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 763 # endif 764 # ifndef LA_TYPE 765 # define LA_TYPE LA_ZERO 766 # endif 767 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 768 # undef WIFEXITED 769 # undef WEXITSTATUS 770 #endif 771 772 773 /* 774 ** Encore UMAX V 775 ** 776 ** Not extensively tested. 777 */ 778 779 #ifdef UMAXV 780 # include <limits.h> 781 # define HASUNAME 1 /* use System V uname(2) system call */ 782 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 783 # define HASINITGROUPS 1 /* has initgroups(3) call */ 784 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 785 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 786 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 787 # define FORK fork /* no vfork(2) primitive available */ 788 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 789 # define MAXPATHLEN PATH_MAX 790 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 791 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 792 # undef WIFEXITED 793 # undef WEXITSTATUS 794 #endif 795 796 797 /* 798 ** Stardent Titan 3000 running TitanOS 4.2. 799 ** 800 ** Must be compiled in "cc -43" mode. 801 ** 802 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 803 ** 804 ** Note the tweaking below after the BSD defines are set. 805 */ 806 807 #ifdef titan 808 # define setpgid setpgrp 809 typedef int pid_t; 810 # undef WIFEXITED 811 # undef WEXITSTATUS 812 #endif 813 814 815 /* 816 ** Sequent DYNIX 3.2.0 817 ** 818 ** From Jim Davis <jdavis@cs.arizona.edu>. 819 */ 820 821 #ifdef sequent 822 823 # define BSD 1 824 # define HASUNSETENV 1 825 # define BSD4_3 1 /* to get signal() in conf.c */ 826 # define WAITUNION 1 827 # define LA_TYPE LA_FLOAT 828 # ifdef _POSIX_VERSION 829 # undef _POSIX_VERSION /* set in <unistd.h> */ 830 # endif 831 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 832 # define setpgid setpgrp 833 834 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 835 # undef WIFEXITED 836 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 837 ((union wait*)&(s))->w_termsig == 0) 838 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 839 typedef int pid_t; 840 # define isgraph(c) (isprint(c) && (c != ' ')) 841 842 # ifndef IDENTPROTO 843 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 844 # endif 845 846 # ifndef _PATH_UNIX 847 # define _PATH_UNIX "/dynix" 848 # endif 849 # ifndef _PATH_SENDMAILCF 850 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 851 # endif 852 853 #endif 854 855 856 /* 857 ** Sequent DYNIX/ptx v2.0 (and higher) 858 ** 859 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 860 ** 861 ** From Tim Wright <timw@sequent.com>. 862 */ 863 864 #ifdef _SEQUENT_ 865 # define SYSTEM5 1 /* include all the System V defines */ 866 # define HASSETSID 1 /* has POSIX setsid(2) call */ 867 # define HASINITGROUPS 1 /* has initgroups(3) call */ 868 # define HASSETREUID 1 /* has setreuid(2) call */ 869 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 870 # define GIDSET_T gid_t 871 # define LA_TYPE LA_INT 872 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 873 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 874 # ifndef IDENTPROTO 875 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 876 # endif 877 # ifndef _PATH_SENDMAILCF 878 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 879 # endif 880 # ifndef _PATH_SENDMAILPID 881 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 882 # endif 883 #endif 884 885 886 /* 887 ** Cray Unicos 888 ** 889 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 890 */ 891 892 #ifdef UNICOS 893 # define SYSTEM5 1 /* include all the System V defines */ 894 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 895 # define MAXPATHLEN PATHSIZE 896 # define LA_TYPE LA_ZERO 897 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 898 # define SFS_BAVAIL f_bfree /* alternate field name */ 899 #endif 900 901 902 /* 903 ** Apollo DomainOS 904 ** 905 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 906 ** 907 ** 15 Jan 1994 908 ** 909 */ 910 911 #ifdef apollo 912 # define HASSETREUID 1 /* has setreuid(2) call */ 913 # define HASINITGROUPS 1 /* has initgroups(2) call */ 914 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 915 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 916 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 917 # define SFS_BAVAIL f_bfree /* alternate field name */ 918 # ifndef _PATH_SENDMAILCF 919 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 920 # endif 921 # ifndef _PATH_SENDMAILPID 922 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 923 # endif 924 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 925 # undef S_IFIFO 926 # define S_IFIFO 0010000 927 # ifndef IDENTPROTO 928 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 929 # endif 930 #endif 931 932 933 /* 934 ** UnixWare 1.1.2. 935 ** 936 ** From Evan Champion <evanc@spatial.synapse.org>. 937 */ 938 939 #ifdef UNIXWARE 940 # define SYSTEM5 1 941 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 942 # define HASGETDTABLESIZE 1 943 # define HASSETREUID 1 944 # define HASSETSID 1 945 # define HASINITGROUPS 1 946 # define GIDSET_T gid_t 947 # define SLEEP_T unsigned 948 # define SFS_TYPE SFS_STATVFS 949 # define LA_TYPE LA_ZERO 950 # undef WIFEXITED 951 # undef WEXITSTATUS 952 # define _PATH_UNIX "/unix" 953 # ifndef _PATH_SENDMAILCF 954 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 955 # endif 956 # ifndef _PATH_SENDMAILPID 957 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 958 # endif 959 # define SYSLOG_BUFSIZE 128 960 #endif 961 962 963 /* 964 ** Intergraph CLIX 3.1 965 ** 966 ** From Paul Southworth <pauls@locust.cic.net> 967 */ 968 969 #ifdef CLIX 970 # define SYSTEM5 1 /* looks like System V */ 971 # ifndef HASGETUSERSHELL 972 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 973 # endif 974 # define DEV_BSIZE 512 /* device block size not defined */ 975 # define GIDSET_T gid_t 976 # undef LOG /* syslog not available */ 977 # define NEEDFSYNC 1 /* no fsync in system library */ 978 # define GETSHORT _getshort 979 #endif 980 981 982 /* 983 ** NCR 3000 Series (SysVr4) 984 ** 985 ** From Kevin Darcy <kevin@tech.mis.cfc.com>. 986 */ 987 988 #ifdef NCR3000 989 # define __svr4__ 990 # undef BSD 991 # define LA_AVENRUN "avenrun" 992 #endif 993 994 995 /* 996 ** Tandem NonStop-UX SVR4 997 ** 998 ** From Rick McCarty <mccarty@mpd.tandem.com>. 999 */ 1000 1001 #ifdef NonStop_UX_BXX 1002 # define __svr4__ 1003 #endif 1004 1005 1006 /* 1007 ** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2. 1008 ** 1009 ** Tested for 1.04 and 1.03 1010 ** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>. 1011 */ 1012 1013 #ifdef __H3050R 1014 # define SYSTEM5 1 /* include all the System V defines */ 1015 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1016 # define setreuid(r, e) setresuid(r, e, -1) 1017 # define LA_TYPE LA_FLOAT 1018 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 1019 # define HASSETVBUF /* HI-UX has no setlinebuf */ 1020 # ifndef GIDSET_T 1021 # define GIDSET_T gid_t 1022 # endif 1023 # ifndef _PATH_UNIX 1024 # define _PATH_UNIX "/HI-UX" 1025 # endif 1026 # ifndef _PATH_SENDMAILCF 1027 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1028 # endif 1029 # ifndef IDENTPROTO 1030 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 1031 # endif 1032 # ifndef HASGETUSERSHELL 1033 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 1034 # endif 1035 1036 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */ 1037 # undef m_flags 1038 1039 # ifdef __STDC__ 1040 extern int syslog(int, char *, ...); 1041 # endif 1042 1043 #endif 1044 1045 1046 /* 1047 ** Amdahl UTS System V 2.1.5 (SVr3-based) 1048 ** 1049 ** From: Janet Jackson <janet@dialix.oz.au>. 1050 */ 1051 1052 #ifdef _UTS 1053 # include <sys/sysmacros.h> 1054 # undef HASLSTAT /* has symlinks, but they cause problems */ 1055 # define NEEDFSYNC 1 /* system fsync(2) fails on non-EFS filesys */ 1056 # define SYS5SIGNALS 1 /* System V signal semantics */ 1057 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1058 # define HASUNAME 1 /* use System V uname(2) system call */ 1059 # define HASINITGROUPS 1 /* has initgroups(3) function */ 1060 # define HASSETVBUF 1 /* has setvbuf(3) function */ 1061 # define HASSIGSETMASK 0 /* does not have sigsetmask(2) function */ 1062 # ifndef HASGETUSERSHELL 1063 # define HASGETUSERSHELL 0 /* does not have getusershell(3) function */ 1064 # endif 1065 # define GIDSET_T gid_t /* type of 2nd arg to getgroups(2) isn't int */ 1066 # define LA_TYPE LA_ZERO /* doesn't have load average */ 1067 # define SFS_TYPE SFS_4ARGS /* use 4-arg statfs() */ 1068 # define SFS_BAVAIL f_bfree /* alternate field name */ 1069 # define _PATH_UNIX "/unix" 1070 # ifndef _PATH_SENDMAILCF 1071 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1072 # endif 1073 #endif 1074 1075 /* 1076 ** Cray Computer Corporation's CSOS 1077 ** 1078 ** Contributed by Scott Bolte <scott@craycos.com>. 1079 */ 1080 1081 #ifdef _CRAYCOM 1082 # define SYSTEM5 1 /* include all the System V defines */ 1083 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 1084 # define NEEDFSYNC 1 /* no fsync in system library */ 1085 # define MAXPATHLEN PATHSIZE 1086 # define LA_TYPE LA_ZERO 1087 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 1088 # define SFS_BAVAIL f_bfree /* alternate field name */ 1089 # define _POSIX_CHOWN_RESTRICTED -1 1090 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 1091 #endif 1092 1093 1094 /********************************************************************** 1095 ** End of Per-Operating System defines 1096 **********************************************************************/ 1097 1098 /********************************************************************** 1099 ** More general defines 1100 **********************************************************************/ 1101 1102 /* general BSD defines */ 1103 #ifdef BSD 1104 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 1105 # define HASSETREUID 1 /* has setreuid(2) call */ 1106 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1107 # ifndef HASSETRLIMIT 1108 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1109 # endif 1110 # ifndef HASFLOCK 1111 # define HASFLOCK 1 /* has flock(2) call */ 1112 # endif 1113 # ifndef TZ_TYPE 1114 # define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ 1115 # endif 1116 #endif 1117 1118 /* general System V Release 4 defines */ 1119 #ifdef __svr4__ 1120 # define SYSTEM5 1 1121 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 1122 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1123 # ifndef HASSETRLIMIT 1124 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1125 # endif 1126 # ifndef HASGETUSERSHELL 1127 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 1128 # endif 1129 # define setreuid(r, e) seteuid(e) 1130 1131 # ifndef _PATH_UNIX 1132 # define _PATH_UNIX "/unix" 1133 # endif 1134 # ifndef _PATH_SENDMAILCF 1135 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 1136 # endif 1137 # ifndef _PATH_SENDMAILPID 1138 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 1139 # endif 1140 # ifndef SYSLOG_BUFSIZE 1141 # define SYSLOG_BUFSIZE 128 1142 # endif 1143 # ifndef SFS_TYPE 1144 # define SFS_TYPE SFS_STATVFS 1145 # endif 1146 #endif 1147 1148 /* general System V defines */ 1149 #ifdef SYSTEM5 1150 # include <sys/sysmacros.h> 1151 # define HASUNAME 1 /* use System V uname(2) system call */ 1152 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1153 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 1154 # ifndef HASULIMIT 1155 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 1156 # endif 1157 # ifndef LA_TYPE 1158 # define LA_TYPE LA_INT /* assume integer load average */ 1159 # endif 1160 # ifndef SFS_TYPE 1161 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 1162 # endif 1163 # ifndef TZ_TYPE 1164 # define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ 1165 # endif 1166 # define bcopy(s, d, l) (memmove((d), (s), (l))) 1167 # define bzero(d, l) (memset((d), '\0', (l))) 1168 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 1169 #endif 1170 1171 /* general POSIX defines */ 1172 #ifdef _POSIX_VERSION 1173 # define HASSETSID 1 /* has Posix setsid(2) call */ 1174 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 1175 #endif 1176 1177 /* 1178 ** If no type for argument two of getgroups call is defined, assume 1179 ** it's an integer -- unfortunately, there seem to be several choices 1180 ** here. 1181 */ 1182 1183 #ifndef GIDSET_T 1184 # define GIDSET_T int 1185 #endif 1186 1187 /* 1188 ** Tweaking for systems that (for example) claim to be BSD or POSIX 1189 ** but don't have all the standard BSD or POSIX routines (boo hiss). 1190 */ 1191 1192 #ifdef titan 1193 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 1194 #endif 1195 1196 #ifdef _CRAYCOM 1197 # undef HASSETSID /* despite POSIX claim, doesn't have setsid */ 1198 #endif 1199 1200 #ifdef ISC_UNIX 1201 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1202 #endif 1203 1204 #ifdef ALTOS_SYS_V 1205 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1206 # undef bzero /* despite SystemV claim, uses BSD bzero */ 1207 # undef bcmp /* despite SystemV claim, uses BSD bcmp */ 1208 #endif 1209 1210 1211 /* 1212 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 1213 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 1214 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 1215 ** are closed. Some firewalls return this error if you try to connect 1216 ** to the IDENT port (113), so you can't receive email from these hosts 1217 ** on these systems. The firewall really should use a more specific 1218 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 1219 ** not explicitly set to zero above, default it on. 1220 */ 1221 1222 #ifndef IDENTPROTO 1223 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 1224 #endif 1225 1226 #ifndef HASGETUSERSHELL 1227 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1228 #endif 1229 1230 #ifndef HASFLOCK 1231 # define HASFLOCK 0 /* assume no flock(2) support */ 1232 #endif 1233 1234 #ifndef HASSETRLIMIT 1235 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1236 #endif 1237 1238 #ifndef HASULIMIT 1239 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1240 #endif 1241 1242 #ifndef OLD_NEWDB 1243 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1244 #endif 1245 1246 /* heuristic setting of HASSETSIGMASK; can override above */ 1247 #ifndef HASSIGSETMASK 1248 # ifdef SIGVTALRM 1249 # define HASSETSIGMASK 1 1250 # else 1251 # define HASSETSIGMASK 0 1252 # endif 1253 #endif 1254 1255 #ifndef UID_T 1256 # define UID_T uid_t 1257 #endif 1258 1259 #ifndef SIZE_T 1260 # define SIZE_T size_t 1261 #endif 1262 1263 #ifndef ARGV_T 1264 # define ARGV_T char ** 1265 #endif 1266 1267 1268 /********************************************************************** 1269 ** Remaining definitions should never have to be changed. They are 1270 ** primarily to provide back compatibility for older systems -- for 1271 ** example, it includes some POSIX compatibility definitions 1272 **********************************************************************/ 1273 1274 /* System 5 compatibility */ 1275 #ifndef S_ISREG 1276 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1277 #endif 1278 #if !defined(S_ISLNK) && defined(S_IFLNK) 1279 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1280 #endif 1281 #ifndef S_IWUSR 1282 # define S_IWUSR 0200 1283 #endif 1284 #ifndef S_IWGRP 1285 # define S_IWGRP 0020 1286 #endif 1287 #ifndef S_IWOTH 1288 # define S_IWOTH 0002 1289 #endif 1290 1291 /* 1292 ** Older systems don't have this error code -- it should be in 1293 ** /usr/include/sysexits.h. 1294 */ 1295 1296 # ifndef EX_CONFIG 1297 # define EX_CONFIG 78 /* configuration error */ 1298 # endif 1299 1300 /* pseudo-code used in server SMTP */ 1301 # define EX_QUIT 22 /* drop out of server immediately */ 1302 1303 1304 /* 1305 ** These are used in a few cases where we need some special 1306 ** error codes, but where the system doesn't provide something 1307 ** reasonable. They are printed in errstring. 1308 */ 1309 1310 #ifndef E_PSEUDOBASE 1311 # define E_PSEUDOBASE 256 1312 #endif 1313 1314 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1315 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1316 1317 /* type of arbitrary pointer */ 1318 #ifndef ARBPTR_T 1319 # define ARBPTR_T void * 1320 #endif 1321 1322 #ifndef __P 1323 # include "cdefs.h" 1324 #endif 1325 1326 #if NAMED_BIND 1327 # include <arpa/nameser.h> 1328 # ifdef __svr4__ 1329 # ifdef NOERROR 1330 # undef NOERROR /* avoid compiler conflict with stream.h */ 1331 # endif 1332 # endif 1333 #endif 1334 1335 /* 1336 ** The size of an IP address -- can't use sizeof because of problems 1337 ** on Crays, where everything is 64 bits. This will break if/when 1338 ** IP addresses are expanded to eight bytes. 1339 */ 1340 1341 #ifndef INADDRSZ 1342 # define INADDRSZ 4 1343 #endif 1344 1345 /* 1346 ** The size of various known types -- for reading network protocols. 1347 ** Again, we can't use sizeof because of compiler randomness. 1348 */ 1349 1350 #ifndef INT16SZ 1351 # define INT16SZ 2 1352 #endif 1353 #ifndef INT32SZ 1354 # define INT32SZ 4 1355 #endif 1356 1357 /* 1358 ** Do some required dependencies 1359 */ 1360 1361 #if defined(NETINET) || defined(NETISO) 1362 # define SMTP 1 /* enable user and server SMTP */ 1363 # define QUEUE 1 /* enable queueing */ 1364 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1365 #endif 1366 1367 1368 /* 1369 ** Arrange to use either varargs or stdargs 1370 */ 1371 1372 # ifdef __STDC__ 1373 1374 # include <stdarg.h> 1375 1376 # define VA_LOCAL_DECL va_list ap; 1377 # define VA_START(f) va_start(ap, f) 1378 # define VA_END va_end(ap) 1379 1380 # else 1381 1382 # include <varargs.h> 1383 1384 # define VA_LOCAL_DECL va_list ap; 1385 # define VA_START(f) va_start(ap) 1386 # define VA_END va_end(ap) 1387 1388 # endif 1389 1390 #ifdef HASUNAME 1391 # include <sys/utsname.h> 1392 # ifdef newstr 1393 # undef newstr 1394 # endif 1395 #else /* ! HASUNAME */ 1396 # define NODE_LENGTH 32 1397 struct utsname 1398 { 1399 char nodename[NODE_LENGTH+1]; 1400 }; 1401 #endif /* HASUNAME */ 1402 1403 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYS_V) 1404 # define MAXHOSTNAMELEN 256 1405 #endif 1406 1407 #if !defined(SIGCHLD) && defined(SIGCLD) 1408 # define SIGCHLD SIGCLD 1409 #endif 1410 1411 #ifndef STDIN_FILENO 1412 #define STDIN_FILENO 0 1413 #endif 1414 1415 #ifndef STDOUT_FILENO 1416 #define STDOUT_FILENO 1 1417 #endif 1418 1419 #ifndef STDERR_FILENO 1420 #define STDERR_FILENO 2 1421 #endif 1422 1423 #ifndef LOCK_SH 1424 # define LOCK_SH 0x01 /* shared lock */ 1425 # define LOCK_EX 0x02 /* exclusive lock */ 1426 # define LOCK_NB 0x04 /* non-blocking lock */ 1427 # define LOCK_UN 0x08 /* unlock */ 1428 #endif 1429 1430 #ifndef SIG_ERR 1431 # define SIG_ERR ((void (*)()) -1) 1432 #endif 1433 1434 #ifndef WEXITSTATUS 1435 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1436 #endif 1437 #ifndef WIFEXITED 1438 # define WIFEXITED(st) (((st) & 0377) == 0) 1439 #endif 1440 1441 #ifndef SIGFUNC_DEFINED 1442 typedef void (*sigfunc_t) __P((int)); 1443 #endif 1444 1445 /* size of syslog buffer */ 1446 #ifndef SYSLOG_BUFSIZE 1447 # define SYSLOG_BUFSIZE 1024 1448 #endif 1449 1450 /* 1451 ** Size of tobuf (deliver.c) 1452 ** Tweak this to match your syslog implementation. It will have to 1453 ** allow for the extra information printed. 1454 */ 1455 1456 #ifndef TOBUFSIZE 1457 # if (SYSLOG_BUFSIZE) > 512 1458 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1459 # else 1460 # define TOBUFSIZE 256 1461 # endif 1462 #endif 1463 1464 /* 1465 ** Size of prescan buffer. 1466 ** Despite comments in the _sendmail_ book, this probably should 1467 ** not be changed; there are some hard-to-define dependencies. 1468 */ 1469 1470 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1471 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1472 # ifndef FORK 1473 # define FORK vfork /* function to call to fork mailer */ 1474 # endif 1475 1476 /* 1477 ** If we are going to link scanf anyway, use it in readcf 1478 */ 1479 1480 #if !defined(HASUNAME) && !defined(SCANF) 1481 # define SCANF 1 1482 #endif 1483