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 8.144 (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 # if SOLARIS < 204 235 # define gethostbyname solaris_gethostbyname /* get good version */ 236 # define gethostbyaddr solaris_gethostbyaddr /* get good version */ 237 # endif 238 239 # else 240 /* SunOS 4.0.3 or 4.1.x */ 241 # define HASSETREUID 1 /* has setreuid(2) call */ 242 # ifndef HASFLOCK 243 # define HASFLOCK 1 /* has flock(2) call */ 244 # endif 245 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 246 # include <vfork.h> 247 248 # ifdef SUNOS403 249 /* special tweaking for SunOS 4.0.3 */ 250 # include <malloc.h> 251 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 252 # define WAITUNION 1 /* use "union wait" as wait argument type */ 253 # undef WIFEXITED 254 # undef WEXITSTATUS 255 # undef HASUNAME 256 # define setpgid setpgrp 257 typedef int pid_t; 258 extern char *getenv(); 259 260 # else 261 /* 4.1.x specifics */ 262 # define HASSETSID 1 /* has Posix setsid(2) call */ 263 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 264 265 # endif 266 # endif 267 #endif 268 269 /* 270 ** DG/UX 271 ** 272 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 273 ** older support. 274 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 275 */ 276 277 #ifdef DGUX_5_4_2 278 # define DGUX 1 279 #endif 280 281 #ifdef DGUX 282 # define SYSTEM5 1 283 # define LA_TYPE LA_SUBR 284 # define HASSETREUID 1 /* has setreuid(2) call */ 285 # define HASUNAME 1 /* use System V uname(2) system call */ 286 # define HASSETSID 1 /* has Posix setsid(2) call */ 287 # define HASINITGROUPS 1 /* has initgroups(3) call */ 288 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 289 # ifndef IDENTPROTO 290 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 291 # endif 292 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 293 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 294 295 /* these include files must be included early on DG/UX */ 296 # include <netinet/in.h> 297 # include <arpa/inet.h> 298 299 # ifdef DGUX_5_4_2 300 # define inet_addr dgux_inet_addr 301 extern long dgux_inet_addr(); 302 # endif 303 #endif 304 305 306 /* 307 ** Digital Ultrix 4.2A or 4.3 308 ** 309 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 310 ** not dropped when the process exits. This causes major problems, 311 ** so flock is the only alternative. 312 */ 313 314 #ifdef ultrix 315 # define HASSETREUID 1 /* has setreuid(2) call */ 316 # define HASUNSETENV 1 /* has unsetenv(3) call */ 317 # define HASINITGROUPS 1 /* has initgroups(3) call */ 318 # define HASUNAME 1 /* use System V uname(2) system call */ 319 # ifndef HASFLOCK 320 # define HASFLOCK 1 /* has flock(2) call */ 321 # endif 322 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 323 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 324 # ifdef vax 325 # define LA_TYPE LA_FLOAT 326 # else 327 # define LA_TYPE LA_INT 328 # define LA_AVENRUN "avenrun" 329 # endif 330 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 331 # ifndef IDENTPROTO 332 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 333 # endif 334 #endif 335 336 337 /* 338 ** OSF/1 for Intel Paragon. 339 ** 340 ** Contributed by Jeff A. Earickson <jeff@ssd.intel.com> 341 ** of Intel Scalable Systems Divison. 342 */ 343 344 #ifdef __PARAGON__ 345 # define __osf__ 1 /* get OSF/1 defines below */ 346 # ifndef _PATH_SENDMAILCF 347 # define _PATH_SENDMAILCF "/var/adm/sendmail/sendmail.cf" 348 # endif 349 #endif 350 351 352 /* 353 ** OSF/1 (tested on Alpha) 354 */ 355 356 #ifdef __osf__ 357 # define HASUNSETENV 1 /* has unsetenv(3) call */ 358 # define HASSETREUID 1 /* has setreuid(2) call */ 359 # define HASINITGROUPS 1 /* has initgroups(3) call */ 360 # ifndef HASFLOCK 361 # define HASFLOCK 1 /* has flock(2) call */ 362 # endif 363 # define LA_TYPE LA_INT 364 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 365 # ifndef _PATH_SENDMAILPID 366 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 367 # endif 368 #endif 369 370 371 /* 372 ** NeXTstep 373 */ 374 375 #ifdef NeXT 376 # define HASINITGROUPS 1 /* has initgroups(3) call */ 377 # ifndef HASFLOCK 378 # define HASFLOCK 1 /* has flock(2) call */ 379 # endif 380 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 381 # define WAITUNION 1 /* use "union wait" as wait argument type */ 382 # define UID_T int /* compiler gripes on uid_t */ 383 # define sleep sleepX 384 # define setpgid setpgrp 385 # ifndef LA_TYPE 386 # define LA_TYPE LA_MACH 387 # endif 388 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 389 # ifndef _POSIX_SOURCE 390 typedef int pid_t; 391 # undef WEXITSTATUS 392 # undef WIFEXITED 393 # endif 394 # ifndef _PATH_SENDMAILCF 395 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 396 # endif 397 # ifndef _PATH_SENDMAILPID 398 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 399 # endif 400 #endif 401 402 403 /* 404 ** 4.4 BSD 405 ** 406 ** See also BSD defines. 407 */ 408 409 #ifdef BSD4_4 410 # define HASUNSETENV 1 /* has unsetenv(3) call */ 411 # include <sys/cdefs.h> 412 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 413 # ifndef LA_TYPE 414 # define LA_TYPE LA_SUBR 415 # endif 416 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 417 # define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */ 418 #endif 419 420 421 /* 422 ** BSD/386 (all versions) 423 ** From Tony Sanders, BSDI 424 */ 425 426 #ifdef __bsdi__ 427 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 428 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 429 # include <sys/cdefs.h> 430 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 431 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 432 # ifndef LA_TYPE 433 # define LA_TYPE LA_SUBR 434 # endif 435 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 436 /* version 1.1 or later */ 437 # undef SPT_TYPE 438 # define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ 439 # else 440 /* version 1.0 or earlier */ 441 # ifndef OLD_NEWDB 442 # define OLD_NEWDB 1 /* old version of newdb library */ 443 # endif 444 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 445 # endif 446 #endif 447 448 449 450 /* 451 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 452 ** 453 ** 4.3BSD clone, closer to 4.4BSD 454 ** 455 ** See also BSD defines. 456 */ 457 458 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 459 # define HASUNSETENV 1 /* has unsetenv(3) call */ 460 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 461 # ifdef __NetBSD__ 462 # define HASUNAME 1 /* has uname(2) syscall */ 463 # endif 464 # include <sys/cdefs.h> 465 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 466 # ifndef LA_TYPE 467 # define LA_TYPE LA_SUBR 468 # endif 469 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 470 #endif 471 472 473 /* 474 ** Mach386 475 ** 476 ** For mt Xinu's Mach386 system. 477 */ 478 479 #if defined(MACH) && defined(i386) 480 # define MACH386 1 481 # define HASUNSETENV 1 /* has unsetenv(3) call */ 482 # define HASINITGROUPS 1 /* has initgroups(3) call */ 483 # ifndef HASFLOCK 484 # define HASFLOCK 1 /* has flock(2) call */ 485 # endif 486 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 487 # define NEEDSTRTOL 1 /* need the strtol() function */ 488 # define setpgid setpgrp 489 # ifndef LA_TYPE 490 # define LA_TYPE LA_FLOAT 491 # endif 492 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 493 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 494 # undef WEXITSTATUS 495 # undef WIFEXITED 496 # ifndef _PATH_SENDMAILCF 497 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 498 # endif 499 # ifndef _PATH_SENDMAILPID 500 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 501 # endif 502 #endif 503 504 505 /* 506 ** 4.3 BSD -- this is for very old systems 507 ** 508 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 509 ** 510 ** You'll also have to install a new resolver library. 511 ** I don't guarantee that support for this environment is complete. 512 */ 513 514 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 515 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 516 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 517 # define ARBPTR_T char * 518 # define setpgid setpgrp 519 # ifndef LA_TYPE 520 # define LA_TYPE LA_FLOAT 521 # endif 522 # ifndef _PATH_SENDMAILCF 523 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 524 # endif 525 # ifndef IDENTPROTO 526 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 527 # endif 528 # undef WEXITSTATUS 529 # undef WIFEXITED 530 typedef short pid_t; 531 extern int errno; 532 #endif 533 534 535 /* 536 ** SCO Unix 537 ** 538 ** This includes two parts -- the first is for SCO Open Server 3.2v4 539 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 540 ** The second is, I believe, for an older version. 541 */ 542 543 #ifdef _SCO_unix_4_2 544 # define _SCO_unix_ 545 # define HASSETREUID 1 /* has setreuid(2) call */ 546 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 547 # define _PATH_UNIX "/unix" 548 # ifndef _PATH_SENDMAILCF 549 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 550 # endif 551 # ifndef _PATH_SENDMAILPID 552 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 553 # endif 554 #endif 555 556 #ifdef _SCO_unix_ 557 # define SYSTEM5 1 /* include all the System V defines */ 558 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 559 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 560 # define FORK fork 561 # define MAXPATHLEN PATHSIZE 562 # define LA_TYPE LA_SHORT 563 # define SFS_TYPE SFS_4ARGS /* use <sys/statfs.h> 4-arg impl */ 564 # define SFS_BAVAIL f_bfree /* alternate field name */ 565 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 566 # undef NETUNIX /* no unix domain socket support */ 567 #endif 568 569 570 /* 571 ** ISC (SunSoft) Unix. 572 ** 573 ** Contributed by J.J. Bailey <jjb@jagware.bcc.com> 574 */ 575 576 #ifdef ISC_UNIX 577 # include <net/errno.h> 578 # define SYSTEM5 1 /* include all the System V defines */ 579 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 580 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 581 # define HASSETREUID 1 /* has setreuid(2) call */ 582 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 583 # undef NETUNIX /* no unix domain socket support */ 584 # define FORK fork 585 # define MAXPATHLEN 1024 586 # define LA_TYPE LA_SHORT 587 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 588 # define SFS_BAVAIL f_bfree /* alternate field name */ 589 # define _PATH_UNIX "/unix" 590 # ifndef _PATH_SENDMAILCF 591 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 592 # endif 593 # ifndef _PATH_SENDMAILPID 594 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 595 # endif 596 597 typedef short pid_t; 598 599 #endif 600 601 602 /* 603 ** Altos System V. 604 ** Contributed by Tim Rice <timr@crl.com>. 605 */ 606 607 #ifdef ALTOS_SYS_V 608 # include <limits.h> 609 # define SYSTEM5 1 /* include all the System V defines */ 610 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 611 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 612 # define WAITUNION 1 /* use "union wait" as wait argument type */ 613 # define NEEDFSYNC 1 /* no fsync(2) in system library */ 614 # define FORK fork 615 # define MAXPATHLEN PATHSIZE 616 # define LA_TYPE LA_SHORT 617 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 618 # define SFS_BAVAIL f_bfree /* alternate field name */ 619 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 620 # undef NETUNIX /* no unix domain socket support */ 621 # undef WIFEXITED 622 # undef WEXITSTATUS 623 # define strtoul strtol /* gcc library bogosity */ 624 625 typedef unsigned short uid_t; 626 typedef unsigned short gid_t; 627 typedef short pid_t; 628 #endif 629 630 631 /* 632 ** ConvexOS 11.0 and later 633 ** 634 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 635 ** works on 9.1 as well. 636 */ 637 638 #ifdef _CONVEX_SOURCE 639 # define BSD 1 /* include all the BSD defines */ 640 # define HASUNAME 1 /* use System V uname(2) system call */ 641 # define HASSETSID 1 /* has POSIX setsid(2) call */ 642 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 643 # define LA_TYPE LA_FLOAT 644 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 645 # ifndef _PATH_SENDMAILCF 646 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 647 # endif 648 # ifndef S_IREAD 649 # define S_IREAD _S_IREAD 650 # define S_IWRITE _S_IWRITE 651 # define S_IEXEC _S_IEXEC 652 # define S_IFMT _S_IFMT 653 # define S_IFCHR _S_IFCHR 654 # define S_IFBLK _S_IFBLK 655 # endif 656 # ifndef IDENTPROTO 657 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 658 # endif 659 #endif 660 661 662 /* 663 ** RISC/os 4.52 664 ** 665 ** Gives a ton of warning messages, but otherwise compiles. 666 */ 667 668 #ifdef RISCOS 669 670 # define HASUNSETENV 1 /* has unsetenv(3) call */ 671 # ifndef HASFLOCK 672 # define HASFLOCK 1 /* has flock(2) call */ 673 # endif 674 # define WAITUNION 1 /* use "union wait" as wait argument type */ 675 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 676 # define LA_TYPE LA_INT 677 # define LA_AVENRUN "avenrun" 678 # define _PATH_UNIX "/unix" 679 # undef WIFEXITED 680 681 # define setpgid setpgrp 682 683 extern int errno; 684 typedef int pid_t; 685 #define SIGFUNC_DEFINED 686 typedef int (*sigfunc_t)(); 687 extern char *getenv(); 688 extern void *malloc(); 689 690 #endif 691 692 693 /* 694 ** Linux 0.99pl10 and above... 695 ** 696 ** Thanks to, in reverse order of contact: 697 ** 698 ** John Kennedy <warlock@csuchico.edu> 699 ** Andrew Pam <avatar@aus.xanadu.com> 700 ** Florian La Roche <rzsfl@rz.uni-sb.de> 701 ** Karl London <karl@borg.demon.co.uk> 702 ** 703 ** Last compiled against: [12/14/94 @ 11:38:41 PM (Wednesday)] 704 ** sendmail 8.7.a.5 named 4.9.3-beta12-p1 db-1.85 705 ** gcc 2.6.2 libc.so.4.6.20 706 ** slackware 2.1.0 linux 1.1.70 707 */ 708 709 #ifdef __linux__ 710 # define BSD 1 /* include BSD defines */ 711 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 712 # define HASUNAME 1 /* use System V uname(2) system call */ 713 # define HASUNSETENV 1 /* has unsetenv(3) call */ 714 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 715 # define GIDSET_T gid_t /* from <linux/types.h> */ 716 # define HASGETUSERSHELL 0 /* getusershell(3) broken in Slackware 2.0 */ 717 # ifndef HASFLOCK 718 # define HASFLOCK 0 /* flock(2) is broken after 0.99.13 */ 719 # endif 720 # ifndef LA_TYPE 721 # define LA_TYPE LA_PROCSTR 722 # endif 723 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 724 # ifndef _PATH_SENDMAILPID 725 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 726 # endif 727 # define TZ_TYPE TZ_TNAME 728 # include <sys/sysmacros.h> 729 # undef atol /* wounded in <stdlib.h> */ 730 #endif 731 732 733 /* 734 ** DELL SVR4 Issue 2.2, and others 735 ** From Kimmo Suominen <kim@grendel.lut.fi> 736 ** 737 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 738 ** defined, and the definitions conflict. 739 ** 740 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 741 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 742 ** (SVR4.0/386 version 3.0). 743 */ 744 745 #ifdef DELL_SVR4 746 /* no changes necessary */ 747 /* see general __svr4__ defines below */ 748 #endif 749 750 751 /* 752 ** Apple A/UX 3.0 753 */ 754 755 #ifdef _AUX_SOURCE 756 # include <sys/sysmacros.h> 757 # define BSD /* has BSD routines */ 758 # define HASUNAME 1 /* use System V uname(2) system call */ 759 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 760 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 761 # ifndef IDENTPROTO 762 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 763 # endif 764 # define FORK fork 765 # ifndef _PATH_SENDMAILCF 766 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 767 # endif 768 # ifndef LA_TYPE 769 # define LA_TYPE LA_ZERO 770 # endif 771 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 772 # undef WIFEXITED 773 # undef WEXITSTATUS 774 #endif 775 776 777 /* 778 ** Encore UMAX V 779 ** 780 ** Not extensively tested. 781 */ 782 783 #ifdef UMAXV 784 # include <limits.h> 785 # define HASUNAME 1 /* use System V uname(2) system call */ 786 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 787 # define HASINITGROUPS 1 /* has initgroups(3) call */ 788 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 789 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 790 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 791 # define FORK fork /* no vfork(2) primitive available */ 792 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 793 # define MAXPATHLEN PATH_MAX 794 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 795 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 796 # undef WIFEXITED 797 # undef WEXITSTATUS 798 #endif 799 800 801 /* 802 ** Stardent Titan 3000 running TitanOS 4.2. 803 ** 804 ** Must be compiled in "cc -43" mode. 805 ** 806 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 807 ** 808 ** Note the tweaking below after the BSD defines are set. 809 */ 810 811 #ifdef titan 812 # define setpgid setpgrp 813 typedef int pid_t; 814 # undef WIFEXITED 815 # undef WEXITSTATUS 816 #endif 817 818 819 /* 820 ** Sequent DYNIX 3.2.0 821 ** 822 ** From Jim Davis <jdavis@cs.arizona.edu>. 823 */ 824 825 #ifdef sequent 826 827 # define BSD 1 828 # define HASUNSETENV 1 829 # define BSD4_3 1 /* to get signal() in conf.c */ 830 # define WAITUNION 1 831 # define LA_TYPE LA_FLOAT 832 # ifdef _POSIX_VERSION 833 # undef _POSIX_VERSION /* set in <unistd.h> */ 834 # endif 835 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 836 # define setpgid setpgrp 837 838 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 839 # undef WIFEXITED 840 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 841 ((union wait*)&(s))->w_termsig == 0) 842 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 843 typedef int pid_t; 844 # define isgraph(c) (isprint(c) && (c != ' ')) 845 846 # ifndef IDENTPROTO 847 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 848 # endif 849 850 # ifndef _PATH_UNIX 851 # define _PATH_UNIX "/dynix" 852 # endif 853 # ifndef _PATH_SENDMAILCF 854 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 855 # endif 856 857 #endif 858 859 860 /* 861 ** Sequent DYNIX/ptx v2.0 (and higher) 862 ** 863 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 864 ** 865 ** From Tim Wright <timw@sequent.com>. 866 */ 867 868 #ifdef _SEQUENT_ 869 # define SYSTEM5 1 /* include all the System V defines */ 870 # define HASSETSID 1 /* has POSIX setsid(2) call */ 871 # define HASINITGROUPS 1 /* has initgroups(3) call */ 872 # define HASSETREUID 1 /* has setreuid(2) call */ 873 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 874 # define GIDSET_T gid_t 875 # define LA_TYPE LA_INT 876 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 877 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 878 # ifndef IDENTPROTO 879 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 880 # endif 881 # ifndef _PATH_SENDMAILCF 882 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 883 # endif 884 # ifndef _PATH_SENDMAILPID 885 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 886 # endif 887 #endif 888 889 890 /* 891 ** Cray Unicos 892 ** 893 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 894 */ 895 896 #ifdef UNICOS 897 # define SYSTEM5 1 /* include all the System V defines */ 898 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 899 # define MAXPATHLEN PATHSIZE 900 # define LA_TYPE LA_ZERO 901 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 902 # define SFS_BAVAIL f_bfree /* alternate field name */ 903 #endif 904 905 906 /* 907 ** Apollo DomainOS 908 ** 909 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 910 ** 911 ** 15 Jan 1994 912 ** 913 */ 914 915 #ifdef apollo 916 # define HASSETREUID 1 /* has setreuid(2) call */ 917 # define HASINITGROUPS 1 /* has initgroups(2) call */ 918 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 919 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 920 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 921 # define SFS_BAVAIL f_bfree /* alternate field name */ 922 # ifndef _PATH_SENDMAILCF 923 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 924 # endif 925 # ifndef _PATH_SENDMAILPID 926 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 927 # endif 928 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 929 # undef S_IFIFO 930 # define S_IFIFO 0010000 931 # ifndef IDENTPROTO 932 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 933 # endif 934 #endif 935 936 937 /* 938 ** UnixWare 1.1.2. 939 ** 940 ** From Evan Champion <evanc@spatial.synapse.org>. 941 */ 942 943 #ifdef UNIXWARE 944 # define SYSTEM5 1 945 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 946 # define HASGETDTABLESIZE 1 947 # define HASSETREUID 1 948 # define HASSETSID 1 949 # define HASINITGROUPS 1 950 # define GIDSET_T gid_t 951 # define SLEEP_T unsigned 952 # define SFS_TYPE SFS_STATVFS 953 # define LA_TYPE LA_ZERO 954 # undef WIFEXITED 955 # undef WEXITSTATUS 956 # define _PATH_UNIX "/unix" 957 # ifndef _PATH_SENDMAILCF 958 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 959 # endif 960 # ifndef _PATH_SENDMAILPID 961 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 962 # endif 963 # define SYSLOG_BUFSIZE 128 964 #endif 965 966 967 /* 968 ** Intergraph CLIX 3.1 969 ** 970 ** From Paul Southworth <pauls@locust.cic.net> 971 */ 972 973 #ifdef CLIX 974 # define SYSTEM5 1 /* looks like System V */ 975 # ifndef HASGETUSERSHELL 976 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 977 # endif 978 # define DEV_BSIZE 512 /* device block size not defined */ 979 # define GIDSET_T gid_t 980 # undef LOG /* syslog not available */ 981 # define NEEDFSYNC 1 /* no fsync in system library */ 982 # define GETSHORT _getshort 983 #endif 984 985 986 /* 987 ** NCR 3000 Series (SysVr4) 988 ** 989 ** From Kevin Darcy <kevin@tech.mis.cfc.com>. 990 */ 991 992 #ifdef NCR3000 993 # define __svr4__ 994 # undef BSD 995 # define LA_AVENRUN "avenrun" 996 #endif 997 998 999 /* 1000 ** Tandem NonStop-UX SVR4 1001 ** 1002 ** From Rick McCarty <mccarty@mpd.tandem.com>. 1003 */ 1004 1005 #ifdef NonStop_UX_BXX 1006 # define __svr4__ 1007 #endif 1008 1009 1010 /* 1011 ** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2. 1012 ** 1013 ** Tested for 1.04 and 1.03 1014 ** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>. 1015 */ 1016 1017 #ifdef __H3050R 1018 # define SYSTEM5 1 /* include all the System V defines */ 1019 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1020 # define setreuid(r, e) setresuid(r, e, -1) 1021 # define LA_TYPE LA_FLOAT 1022 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 1023 # define HASSETVBUF /* HI-UX has no setlinebuf */ 1024 # ifndef GIDSET_T 1025 # define GIDSET_T gid_t 1026 # endif 1027 # ifndef _PATH_UNIX 1028 # define _PATH_UNIX "/HI-UX" 1029 # endif 1030 # ifndef _PATH_SENDMAILCF 1031 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1032 # endif 1033 # ifndef IDENTPROTO 1034 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 1035 # endif 1036 # ifndef HASGETUSERSHELL 1037 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 1038 # endif 1039 1040 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */ 1041 # undef m_flags 1042 1043 # ifdef __STDC__ 1044 extern int syslog(int, char *, ...); 1045 # endif 1046 1047 #endif 1048 1049 1050 /* 1051 ** Amdahl UTS System V 2.1.5 (SVr3-based) 1052 ** 1053 ** From: Janet Jackson <janet@dialix.oz.au>. 1054 */ 1055 1056 #ifdef _UTS 1057 # include <sys/sysmacros.h> 1058 # undef HASLSTAT /* has symlinks, but they cause problems */ 1059 # define NEEDFSYNC 1 /* system fsync(2) fails on non-EFS filesys */ 1060 # define SYS5SIGNALS 1 /* System V signal semantics */ 1061 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1062 # define HASUNAME 1 /* use System V uname(2) system call */ 1063 # define HASINITGROUPS 1 /* has initgroups(3) function */ 1064 # define HASSETVBUF 1 /* has setvbuf(3) function */ 1065 # define HASSIGSETMASK 0 /* does not have sigsetmask(2) function */ 1066 # ifndef HASGETUSERSHELL 1067 # define HASGETUSERSHELL 0 /* does not have getusershell(3) function */ 1068 # endif 1069 # define GIDSET_T gid_t /* type of 2nd arg to getgroups(2) isn't int */ 1070 # define LA_TYPE LA_ZERO /* doesn't have load average */ 1071 # define SFS_TYPE SFS_4ARGS /* use 4-arg statfs() */ 1072 # define SFS_BAVAIL f_bfree /* alternate field name */ 1073 # define _PATH_UNIX "/unix" 1074 # ifndef _PATH_SENDMAILCF 1075 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 1076 # endif 1077 #endif 1078 1079 /* 1080 ** Cray Computer Corporation's CSOS 1081 ** 1082 ** Contributed by Scott Bolte <scott@craycos.com>. 1083 */ 1084 1085 #ifdef _CRAYCOM 1086 # define SYSTEM5 1 /* include all the System V defines */ 1087 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 1088 # define NEEDFSYNC 1 /* no fsync in system library */ 1089 # define MAXPATHLEN PATHSIZE 1090 # define LA_TYPE LA_ZERO 1091 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 1092 # define SFS_BAVAIL f_bfree /* alternate field name */ 1093 # define _POSIX_CHOWN_RESTRICTED -1 1094 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 1095 #endif 1096 1097 1098 /********************************************************************** 1099 ** End of Per-Operating System defines 1100 **********************************************************************/ 1101 1102 /********************************************************************** 1103 ** More general defines 1104 **********************************************************************/ 1105 1106 /* general BSD defines */ 1107 #ifdef BSD 1108 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 1109 # define HASSETREUID 1 /* has setreuid(2) call */ 1110 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1111 # ifndef HASSETRLIMIT 1112 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1113 # endif 1114 # ifndef HASFLOCK 1115 # define HASFLOCK 1 /* has flock(2) call */ 1116 # endif 1117 # ifndef TZ_TYPE 1118 # define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ 1119 # endif 1120 #endif 1121 1122 /* general System V Release 4 defines */ 1123 #ifdef __svr4__ 1124 # define SYSTEM5 1 1125 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 1126 # define HASINITGROUPS 1 /* has initgroups(3) call */ 1127 # ifndef HASSETRLIMIT 1128 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 1129 # endif 1130 # ifndef HASGETUSERSHELL 1131 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 1132 # endif 1133 # define setreuid(r, e) seteuid(e) 1134 1135 # ifndef _PATH_UNIX 1136 # define _PATH_UNIX "/unix" 1137 # endif 1138 # ifndef _PATH_SENDMAILCF 1139 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 1140 # endif 1141 # ifndef _PATH_SENDMAILPID 1142 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 1143 # endif 1144 # ifndef SYSLOG_BUFSIZE 1145 # define SYSLOG_BUFSIZE 128 1146 # endif 1147 # ifndef SFS_TYPE 1148 # define SFS_TYPE SFS_STATVFS 1149 # endif 1150 #endif 1151 1152 /* general System V defines */ 1153 #ifdef SYSTEM5 1154 # include <sys/sysmacros.h> 1155 # define HASUNAME 1 /* use System V uname(2) system call */ 1156 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 1157 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 1158 # ifndef HASULIMIT 1159 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 1160 # endif 1161 # ifndef LA_TYPE 1162 # define LA_TYPE LA_INT /* assume integer load average */ 1163 # endif 1164 # ifndef SFS_TYPE 1165 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 1166 # endif 1167 # ifndef TZ_TYPE 1168 # define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ 1169 # endif 1170 # define bcopy(s, d, l) (memmove((d), (s), (l))) 1171 # define bzero(d, l) (memset((d), '\0', (l))) 1172 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 1173 #endif 1174 1175 /* general POSIX defines */ 1176 #ifdef _POSIX_VERSION 1177 # define HASSETSID 1 /* has Posix setsid(2) call */ 1178 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 1179 #endif 1180 1181 /* 1182 ** If no type for argument two of getgroups call is defined, assume 1183 ** it's an integer -- unfortunately, there seem to be several choices 1184 ** here. 1185 */ 1186 1187 #ifndef GIDSET_T 1188 # define GIDSET_T int 1189 #endif 1190 1191 /* 1192 ** Tweaking for systems that (for example) claim to be BSD or POSIX 1193 ** but don't have all the standard BSD or POSIX routines (boo hiss). 1194 */ 1195 1196 #ifdef titan 1197 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 1198 #endif 1199 1200 #ifdef _CRAYCOM 1201 # undef HASSETSID /* despite POSIX claim, doesn't have setsid */ 1202 #endif 1203 1204 #ifdef ISC_UNIX 1205 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1206 #endif 1207 1208 #ifdef ALTOS_SYS_V 1209 # undef bcopy /* despite SystemV claim, uses BSD bcopy */ 1210 # undef bzero /* despite SystemV claim, uses BSD bzero */ 1211 # undef bcmp /* despite SystemV claim, uses BSD bcmp */ 1212 #endif 1213 1214 1215 /* 1216 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 1217 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 1218 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 1219 ** are closed. Some firewalls return this error if you try to connect 1220 ** to the IDENT port (113), so you can't receive email from these hosts 1221 ** on these systems. The firewall really should use a more specific 1222 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 1223 ** not explicitly set to zero above, default it on. 1224 */ 1225 1226 #ifndef IDENTPROTO 1227 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 1228 #endif 1229 1230 #ifndef HASGETUSERSHELL 1231 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1232 #endif 1233 1234 #ifndef HASFLOCK 1235 # define HASFLOCK 0 /* assume no flock(2) support */ 1236 #endif 1237 1238 #ifndef HASSETRLIMIT 1239 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1240 #endif 1241 1242 #ifndef HASULIMIT 1243 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1244 #endif 1245 1246 #ifndef OLD_NEWDB 1247 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1248 #endif 1249 1250 /* heuristic setting of HASSETSIGMASK; can override above */ 1251 #ifndef HASSIGSETMASK 1252 # ifdef SIGVTALRM 1253 # define HASSETSIGMASK 1 1254 # else 1255 # define HASSETSIGMASK 0 1256 # endif 1257 #endif 1258 1259 #ifndef UID_T 1260 # define UID_T uid_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