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 8.121 (Berkeley) 10/15/94 9 */ 10 11 /* 12 ** CONF.H -- All user-configurable parameters for sendmail 13 */ 14 15 # include <sys/param.h> 16 # include <sys/types.h> 17 # include <sys/stat.h> 18 # include <sys/file.h> 19 # include <sys/wait.h> 20 # include <fcntl.h> 21 # include <signal.h> 22 23 /********************************************************************** 24 ** Table sizes, etc.... 25 ** There shouldn't be much need to change these.... 26 **********************************************************************/ 27 28 # define MAXLINE 2048 /* max line length */ 29 # define MAXNAME 256 /* max length of a name */ 30 # define MAXPV 40 /* max # of parms to mailers */ 31 # define MAXATOM 200 /* max atoms per address */ 32 # define MAXMAILERS 25 /* maximum mailers known to system */ 33 # define MAXRWSETS 100 /* max # of sets of rewriting rules */ 34 # define MAXPRIORITIES 25 /* max values for Precedence: field */ 35 # define MAXMXHOSTS 20 /* max # of MX records */ 36 # define SMTPLINELIM 990 /* maximum SMTP line length */ 37 # define MAXKEY 128 /* maximum size of a database key */ 38 # define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ 39 # define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ 40 # define MAXALIASDB 12 /* max # of alias databases */ 41 # define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */ 42 # define MAXTOCLASS 8 /* max # of message timeout classes */ 43 44 # ifndef QUEUESIZE 45 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 46 # endif 47 48 /********************************************************************** 49 ** Compilation options. 50 ** 51 ** #define these if they are available; comment them out otherwise. 52 **********************************************************************/ 53 54 # define LOG 1 /* enable logging */ 55 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 56 # define NETUNIX 1 /* include unix domain support */ 57 # define NETINET 1 /* include internet support */ 58 # define MATCHGECOS 1 /* match user names from gecos field */ 59 # define XDEBUG 1 /* enable extended debugging */ 60 # ifdef NEWDB 61 # define USERDB 1 /* look in user database (requires NEWDB) */ 62 # endif 63 64 /********************************************************************** 65 ** 0/1 Compilation options. 66 ** #define these to 1 if they are available; 67 ** #define them to 0 otherwise. 68 **********************************************************************/ 69 70 # ifndef NAMED_BIND 71 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 72 # endif 73 74 /* 75 ** Most systems have symbolic links today, so default them on. You 76 ** can turn them off by #undef'ing this below. 77 */ 78 79 # define HASLSTAT 1 /* has lstat(2) call */ 80 81 /* 82 ** General "standard C" defines. 83 ** 84 ** These may be undone later, to cope with systems that claim to 85 ** be Standard C but aren't. Gcc is the biggest offender -- it 86 ** doesn't realize that the library is part of the language. 87 ** 88 ** Life would be much easier if we could get rid of this sort 89 ** of bozo problems. 90 */ 91 92 #ifdef __STDC__ 93 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 94 #endif 95 96 /********************************************************************** 97 ** Operating system configuration. 98 ** 99 ** Unless you are porting to a new OS, you shouldn't have to 100 ** change these. 101 **********************************************************************/ 102 103 /* 104 ** Per-Operating System defines 105 */ 106 107 108 /* 109 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 110 */ 111 112 #ifdef __hpux 113 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 114 # undef m_flags 115 # define SYSTEM5 1 /* include all the System V defines */ 116 # define HASINITGROUPS 1 /* has initgroups(3) call */ 117 # define HASSETREUID 1 /* has setreuid(2) call */ 118 # define setreuid(r, e) setresuid(r, e, -1) 119 # define LA_TYPE LA_FLOAT 120 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 121 # define GIDSET_T gid_t 122 # define _PATH_UNIX "/hp-ux" 123 # ifndef _PATH_SENDMAILCF 124 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 125 # endif 126 # ifndef IDENTPROTO 127 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 128 # endif 129 # ifndef HASGETUSERSHELL 130 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 131 # endif 132 # define syslog hard_syslog 133 # ifdef __STDC__ 134 extern int syslog(int, char *, ...); 135 # endif 136 #endif 137 138 139 /* 140 ** IBM AIX 3.x -- actually tested for 3.2.3 141 */ 142 143 #ifdef _AIX3 144 # define HASINITGROUPS 1 /* has initgroups(3) call */ 145 # define HASUNAME 1 /* use System V uname(2) system call */ 146 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 147 # define FORK fork /* no vfork primitive available */ 148 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 149 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 150 #endif 151 152 153 /* 154 ** Silicon Graphics IRIX 155 ** 156 ** Compiles on 4.0.1. 157 */ 158 159 #ifdef IRIX 160 # define SYSTEM5 1 /* this is a System-V derived system */ 161 # define HASSETREUID 1 /* has setreuid(2) call */ 162 # define HASINITGROUPS 1 /* has initgroups(3) call */ 163 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 164 # define FORK fork /* no vfork primitive available */ 165 # define WAITUNION 1 /* use "union wait" as wait argument type */ 166 # define setpgid BSDsetpgrp 167 # define GIDSET_T gid_t 168 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 169 # define LA_TYPE LA_INT 170 # define NAMELISTMASK 0x7fffffff /* mask for nlist() values */ 171 #endif 172 173 174 /* 175 ** SunOS and Solaris 176 ** 177 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 178 ** Solaris 2.2 (a.k.a. SunOS 5.2). 179 */ 180 181 #if defined(sun) && !defined(BSD) 182 183 # define HASINITGROUPS 1 /* has initgroups(3) call */ 184 # define HASUNAME 1 /* use System V uname(2) system call */ 185 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 186 # define LA_TYPE LA_INT 187 188 # ifdef SOLARIS_2_3 189 # define SOLARIS 190 # endif 191 192 # ifdef SOLARIS 193 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 194 # ifndef __svr4__ 195 # define __svr4__ /* use all System V Releae 4 defines below */ 196 # endif 197 # include <sys/time.h> 198 # define gethostbyname solaris_gethostbyname /* get working version */ 199 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 200 # define GIDSET_T gid_t 201 # ifndef _PATH_UNIX 202 # define _PATH_UNIX "/dev/ksyms" 203 # endif 204 # ifndef _PATH_SENDMAILCF 205 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 206 # endif 207 # ifndef _PATH_SENDMAILPID 208 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 209 # endif 210 # ifndef SYSLOG_BUFSIZE 211 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 212 # endif 213 214 # else 215 /* SunOS 4.0.3 or 4.1.x */ 216 # define HASSETREUID 1 /* has setreuid(2) call */ 217 # ifndef HASFLOCK 218 # define HASFLOCK 1 /* has flock(2) call */ 219 # endif 220 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 221 # include <vfork.h> 222 223 # ifdef SUNOS403 224 /* special tweaking for SunOS 4.0.3 */ 225 # include <malloc.h> 226 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 227 # define WAITUNION 1 /* use "union wait" as wait argument type */ 228 # undef WIFEXITED 229 # undef WEXITSTATUS 230 # undef HASUNAME 231 # define setpgid setpgrp 232 typedef int pid_t; 233 extern char *getenv(); 234 235 # else 236 /* 4.1.x specifics */ 237 # define HASSETSID 1 /* has Posix setsid(2) call */ 238 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 239 240 # endif 241 # endif 242 #endif 243 244 /* 245 ** DG/UX 246 ** 247 ** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the 248 ** older support. 249 ** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>. 250 */ 251 252 #ifdef DGUX_5_4_2 253 # define DGUX 1 254 #endif 255 256 #ifdef DGUX 257 # define SYSTEM5 1 258 # define LA_TYPE LA_SUBR 259 # define HASSETREUID 1 /* has setreuid(2) call */ 260 # define HASUNAME 1 /* use System V uname(2) system call */ 261 # define HASSETSID 1 /* has Posix setsid(2) call */ 262 # define HASINITGROUPS 1 /* has initgroups(3) call */ 263 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 264 # ifndef IDENTPROTO 265 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 266 # endif 267 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 268 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 269 270 /* these include files must be included early on DG/UX */ 271 # include <netinet/in.h> 272 # include <arpa/inet.h> 273 274 # ifdef DGUX_5_4_2 275 # define inet_addr dgux_inet_addr 276 extern long dgux_inet_addr(); 277 # endif 278 #endif 279 280 281 /* 282 ** Digital Ultrix 4.2A or 4.3 283 ** 284 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 285 ** not dropped when the process exits. This causes major problems, 286 ** so flock is the only alternative. 287 */ 288 289 #ifdef ultrix 290 # define HASSETREUID 1 /* has setreuid(2) call */ 291 # define HASUNSETENV 1 /* has unsetenv(3) call */ 292 # define HASINITGROUPS 1 /* has initgroups(3) call */ 293 # define HASUNAME 1 /* use System V uname(2) system call */ 294 # ifndef HASFLOCK 295 # define HASFLOCK 1 /* has flock(2) call */ 296 # endif 297 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 298 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 299 # ifdef vax 300 # define LA_TYPE LA_FLOAT 301 # else 302 # define LA_TYPE LA_INT 303 # define LA_AVENRUN "avenrun" 304 # endif 305 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 306 # ifndef IDENTPROTO 307 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 308 # endif 309 #endif 310 311 312 /* 313 ** OSF/1 (tested on Alpha) 314 */ 315 316 #ifdef __osf__ 317 # define HASUNSETENV 1 /* has unsetenv(3) call */ 318 # define HASSETREUID 1 /* has setreuid(2) call */ 319 # define HASINITGROUPS 1 /* has initgroups(3) call */ 320 # ifndef HASFLOCK 321 # define HASFLOCK 1 /* has flock(2) call */ 322 # endif 323 # define LA_TYPE LA_INT 324 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 325 # ifndef _PATH_SENDMAILPID 326 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 327 # endif 328 #endif 329 330 331 /* 332 ** NeXTstep 333 */ 334 335 #ifdef NeXT 336 # define HASINITGROUPS 1 /* has initgroups(3) call */ 337 # ifndef HASFLOCK 338 # define HASFLOCK 1 /* has flock(2) call */ 339 # endif 340 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 341 # define WAITUNION 1 /* use "union wait" as wait argument type */ 342 # define sleep sleepX 343 # define setpgid setpgrp 344 # ifndef LA_TYPE 345 # define LA_TYPE LA_MACH 346 # endif 347 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 348 # ifndef _POSIX_SOURCE 349 typedef int pid_t; 350 # undef WEXITSTATUS 351 # undef WIFEXITED 352 # endif 353 # ifndef _PATH_SENDMAILCF 354 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 355 # endif 356 # ifndef _PATH_SENDMAILPID 357 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 358 # endif 359 #endif 360 361 362 /* 363 ** 4.4 BSD 364 ** 365 ** See also BSD defines. 366 */ 367 368 #ifdef BSD4_4 369 # define HASUNSETENV 1 /* has unsetenv(3) call */ 370 # include <sys/cdefs.h> 371 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 372 # ifndef LA_TYPE 373 # define LA_TYPE LA_SUBR 374 # endif 375 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 376 # define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */ 377 #endif 378 379 380 /* 381 ** BSD/386 (all versions) 382 ** From Tony Sanders, BSDI 383 */ 384 385 #ifdef __bsdi__ 386 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 387 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 388 # include <sys/cdefs.h> 389 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 390 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 391 # ifndef LA_TYPE 392 # define LA_TYPE LA_SUBR 393 # endif 394 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 395 /* version 1.1 or later */ 396 # undef SPT_TYPE 397 # define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */ 398 # else 399 /* version 1.0 or earlier */ 400 # ifndef OLD_NEWDB 401 # define OLD_NEWDB 1 /* old version of newdb library */ 402 # endif 403 # define SPT_PADCHAR '\0' /* pad process title with nulls */ 404 # endif 405 #endif 406 407 408 409 /* 410 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 411 ** 412 ** 4.3BSD clone, closer to 4.4BSD 413 ** 414 ** See also BSD defines. 415 */ 416 417 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 418 # define HASUNSETENV 1 /* has unsetenv(3) call */ 419 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 420 # ifdef __NetBSD__ 421 # define HASUNAME 1 /* has uname(2) syscall */ 422 # endif 423 # include <sys/cdefs.h> 424 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 425 # ifndef LA_TYPE 426 # define LA_TYPE LA_SUBR 427 # endif 428 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 429 #endif 430 431 432 /* 433 ** Mach386 434 ** 435 ** For mt Xinu's Mach386 system. 436 */ 437 438 #if defined(MACH) && defined(i386) 439 # define MACH386 1 440 # define HASUNSETENV 1 /* has unsetenv(3) call */ 441 # define HASINITGROUPS 1 /* has initgroups(3) call */ 442 # ifndef HASFLOCK 443 # define HASFLOCK 1 /* has flock(2) call */ 444 # endif 445 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 446 # define NEEDSTRTOL 1 /* need the strtol() function */ 447 # define setpgid setpgrp 448 # ifndef LA_TYPE 449 # define LA_TYPE LA_FLOAT 450 # endif 451 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 452 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 453 # undef WEXITSTATUS 454 # undef WIFEXITED 455 # ifndef _PATH_SENDMAILCF 456 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 457 # endif 458 # ifndef _PATH_SENDMAILPID 459 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 460 # endif 461 #endif 462 463 464 /* 465 ** 4.3 BSD -- this is for very old systems 466 ** 467 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 468 ** 469 ** You'll also have to install a new resolver library. 470 ** I don't guarantee that support for this environment is complete. 471 */ 472 473 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 474 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 475 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 476 # define ARBPTR_T char * 477 # define setpgid setpgrp 478 # ifndef LA_TYPE 479 # define LA_TYPE LA_FLOAT 480 # endif 481 # ifndef _PATH_SENDMAILCF 482 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 483 # endif 484 # ifndef IDENTPROTO 485 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 486 # endif 487 # undef WEXITSTATUS 488 # undef WIFEXITED 489 typedef short pid_t; 490 extern int errno; 491 #endif 492 493 494 /* 495 ** SCO Unix 496 ** 497 ** This includes two parts -- the first is for SCO Open Server 3.2v4 498 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 499 ** The second is, I believe, for an older version. 500 */ 501 502 #ifdef _SCO_unix_4_2 503 # define _SCO_unix_ 504 # define HASSETREUID 1 /* has setreuid(2) call */ 505 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 506 # define _PATH_UNIX "/unix" 507 # ifndef _PATH_SENDMAILCF 508 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 509 # endif 510 # ifndef _PATH_SENDMAILPID 511 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 512 # endif 513 #endif 514 515 #ifdef _SCO_unix_ 516 # define SYSTEM5 1 /* include all the System V defines */ 517 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 518 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 519 # define FORK fork 520 # define MAXPATHLEN PATHSIZE 521 # define LA_TYPE LA_SHORT 522 # define SFS_TYPE SFS_4ARGS /* use <sys/statfs.h> 4-arg impl */ 523 # define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */ 524 # undef NETUNIX /* no unix domain socket support */ 525 #endif 526 527 528 /* 529 ** ConvexOS 11.0 and later 530 ** 531 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 532 ** works on 9.1 as well. 533 */ 534 535 #ifdef _CONVEX_SOURCE 536 # define BSD 1 /* include all the BSD defines */ 537 # define HASUNAME 1 /* use System V uname(2) system call */ 538 # define HASSETSID 1 /* has POSIX setsid(2) call */ 539 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 540 # define LA_TYPE LA_FLOAT 541 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 542 # ifndef _PATH_SENDMAILCF 543 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 544 # endif 545 # ifndef S_IREAD 546 # define S_IREAD _S_IREAD 547 # define S_IWRITE _S_IWRITE 548 # define S_IEXEC _S_IEXEC 549 # define S_IFMT _S_IFMT 550 # define S_IFCHR _S_IFCHR 551 # define S_IFBLK _S_IFBLK 552 # endif 553 # ifndef IDENTPROTO 554 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 555 # endif 556 #endif 557 558 559 /* 560 ** RISC/os 4.52 561 ** 562 ** Gives a ton of warning messages, but otherwise compiles. 563 */ 564 565 #ifdef RISCOS 566 567 # define HASUNSETENV 1 /* has unsetenv(3) call */ 568 # ifndef HASFLOCK 569 # define HASFLOCK 1 /* has flock(2) call */ 570 # endif 571 # define WAITUNION 1 /* use "union wait" as wait argument type */ 572 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 573 # define LA_TYPE LA_INT 574 # define LA_AVENRUN "avenrun" 575 # define _PATH_UNIX "/unix" 576 # undef WIFEXITED 577 578 # define setpgid setpgrp 579 580 extern int errno; 581 typedef int pid_t; 582 #define SIGFUNC_DEFINED 583 typedef int (*sigfunc_t)(); 584 extern char *getenv(); 585 extern void *malloc(); 586 587 #endif 588 589 590 /* 591 ** Linux 0.99pl10 and above... 592 ** 593 ** Thanks to, in reverse order of contact: 594 ** 595 ** John Kennedy <warlock@csuchico.edu> 596 ** Florian La Roche <rzsfl@rz.uni-sb.de> 597 ** Karl London <karl@borg.demon.co.uk> 598 ** 599 ** Last compiled against: [03/02/94 @ 05:34 PM (Wednesday)] 600 ** sendmail 8.6.6.b9 named 4.9.2-931205-p1 db-1.73 601 ** gcc 2.5.8 libc.so.4.5.19 602 ** slackware 1.1.2 linux 0.99.15 603 */ 604 605 #ifdef __linux__ 606 # define BSD 1 /* include BSD defines */ 607 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 608 # define HASUNAME 1 /* use System V uname(2) system call */ 609 # define HASUNSETENV 1 /* has unsetenv(3) call */ 610 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 611 # define GIDSET_T gid_t /* from <linux/types.h> */ 612 # ifndef LA_TYPE 613 # define LA_TYPE LA_PROCSTR 614 # endif 615 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 616 # include <sys/sysmacros.h> 617 # undef atol /* wounded in <stdlib.h> */ 618 #endif 619 620 621 /* 622 ** DELL SVR4 Issue 2.2, and others 623 ** From Kimmo Suominen <kim@grendel.lut.fi> 624 ** 625 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 626 ** defined, and the definitions conflict. 627 ** 628 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 629 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 630 ** (SVR4.0/386 version 3.0). 631 */ 632 633 #ifdef DELL_SVR4 634 /* no changes necessary */ 635 /* see general __svr4__ defines below */ 636 #endif 637 638 639 /* 640 ** Apple A/UX 3.0 641 */ 642 643 #ifdef _AUX_SOURCE 644 # include <sys/sysmacros.h> 645 # define BSD /* has BSD routines */ 646 # define HASUNAME 1 /* use System V uname(2) system call */ 647 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 648 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 649 # ifndef IDENTPROTO 650 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 651 # endif 652 # define FORK fork 653 # ifndef _PATH_SENDMAILCF 654 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 655 # endif 656 # ifndef LA_TYPE 657 # define LA_TYPE LA_ZERO 658 # endif 659 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 660 # undef WIFEXITED 661 # undef WEXITSTATUS 662 #endif 663 664 665 /* 666 ** Encore UMAX V 667 ** 668 ** Not extensively tested. 669 */ 670 671 #ifdef UMAXV 672 # include <limits.h> 673 # define HASUNAME 1 /* use System V uname(2) system call */ 674 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 675 # define HASINITGROUPS 1 /* has initgroups(3) call */ 676 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 677 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 678 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 679 # define FORK fork /* no vfork(2) primitive available */ 680 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 681 # define MAXPATHLEN PATH_MAX 682 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 683 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 684 # undef WIFEXITED 685 # undef WEXITSTATUS 686 #endif 687 688 689 /* 690 ** Stardent Titan 3000 running TitanOS 4.2. 691 ** 692 ** Must be compiled in "cc -43" mode. 693 ** 694 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 695 ** 696 ** Note the tweaking below after the BSD defines are set. 697 */ 698 699 #ifdef titan 700 # define setpgid setpgrp 701 typedef int pid_t; 702 # undef WIFEXITED 703 # undef WEXITSTATUS 704 #endif 705 706 707 /* 708 ** Sequent DYNIX 3.2.0 709 ** 710 ** From Jim Davis <jdavis@cs.arizona.edu>. 711 */ 712 713 #ifdef sequent 714 715 # define BSD 1 716 # define HASUNSETENV 1 717 # define BSD4_3 1 /* to get signal() in conf.c */ 718 # define WAITUNION 1 719 # define LA_TYPE LA_FLOAT 720 # ifdef _POSIX_VERSION 721 # undef _POSIX_VERSION /* set in <unistd.h> */ 722 # endif 723 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 724 # define setpgid setpgrp 725 726 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 727 # undef WIFEXITED 728 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 729 ((union wait*)&(s))->w_termsig == 0) 730 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 731 typedef int pid_t; 732 # define isgraph(c) (isprint(c) && (c != ' ')) 733 734 # ifndef IDENTPROTO 735 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 736 # endif 737 738 # ifndef _PATH_UNIX 739 # define _PATH_UNIX "/dynix" 740 # endif 741 # ifndef _PATH_SENDMAILCF 742 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 743 # endif 744 745 #endif 746 747 748 /* 749 ** Sequent DYNIX/ptx v2.0 (and higher) 750 ** 751 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 752 ** 753 ** From Tim Wright <timw@sequent.com>. 754 */ 755 756 #ifdef _SEQUENT_ 757 # define SYSTEM5 1 /* include all the System V defines */ 758 # define HASSETSID 1 /* has POSIX setsid(2) call */ 759 # define HASINITGROUPS 1 /* has initgroups(3) call */ 760 # define HASSETREUID 1 /* has setreuid(2) call */ 761 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 762 # define GIDSET_T gid_t 763 # define LA_TYPE LA_INT 764 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 765 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 766 # ifndef IDENTPROTO 767 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 768 # endif 769 # ifndef _PATH_SENDMAILCF 770 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 771 # endif 772 # ifndef _PATH_SENDMAILPID 773 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 774 # endif 775 #endif 776 777 778 /* 779 ** Cray Unicos 780 ** 781 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 782 */ 783 784 #ifdef UNICOS 785 # define SYSTEM5 1 /* include all the System V defines */ 786 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 787 # define MAXPATHLEN PATHSIZE 788 # define LA_TYPE LA_ZERO 789 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 790 #endif 791 792 793 /* 794 ** Apollo DomainOS 795 ** 796 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 797 ** 798 ** 15 Jan 1994 799 ** 800 */ 801 802 #ifdef apollo 803 # define HASSETREUID 1 /* has setreuid(2) call */ 804 # define HASINITGROUPS 1 /* has initgroups(2) call */ 805 # define SPT_TYPE SPT_NONE /* don't use setproctitle */ 806 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 807 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 808 # ifndef _PATH_SENDMAILCF 809 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 810 # endif 811 # ifndef _PATH_SENDMAILPID 812 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 813 # endif 814 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 815 # undef S_IFIFO 816 # define S_IFIFO 0010000 817 # ifndef IDENTPROTO 818 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 819 # endif 820 #endif 821 822 823 /* 824 ** UnixWare 1.1.2. 825 ** 826 ** From Evan Champion <evanc@spatial.synapse.org>. 827 */ 828 829 #ifdef UNIXWARE 830 # define SYSTEM5 1 831 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 832 # define HASGETDTABLESIZE 1 833 # define HASSETREUID 1 834 # define HASSETSID 1 835 # define HASINITGROUPS 1 836 # define GIDSET_T gid_t 837 # define SLEEP_T unsigned 838 # define SFS_TYPE SFS_STATVFS 839 # define LA_TYPE LA_ZERO 840 # undef WIFEXITED 841 # undef WEXITSTATUS 842 # define _PATH_UNIX "/unix" 843 # ifndef _PATH_SENDMAILCF 844 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 845 # endif 846 # ifndef _PATH_SENDMAILPID 847 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 848 # endif 849 # define SYSLOG_BUFSIZE 128 850 #endif 851 852 853 /* 854 ** Intergraph CLIX 3.1 855 ** 856 ** From Paul Southworth <pauls@locust.cic.net> 857 */ 858 859 #ifdef CLIX 860 # define SYSTEM5 1 /* looks like System V */ 861 # ifndef HASGETUSERSHELL 862 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 863 # endif 864 # define DEV_BSIZE 512 /* device block size not defined */ 865 # define GIDSET_T gid_t 866 # undef LOG /* syslog not available */ 867 # define NEEDFSYNC 1 /* no fsync in system library */ 868 # define GETSHORT _getshort 869 #endif 870 871 872 /* 873 ** NCR 3000 Series (SysVr4) 874 ** 875 ** From Kevin Darcy <kevin@tech.mis.cfc.com>. 876 */ 877 878 #ifdef NCR3000 879 # define __svr4__ 880 # undef BSD 881 # define LA_AVENRUN "avenrun" 882 #endif 883 884 885 /* 886 ** Tandem NonStop-UX SVR4 887 ** 888 ** From Rick McCarty <mccarty@mpd.tandem.com>. 889 */ 890 891 #ifdef NonStop_UX_BXX 892 # define __svr4__ 893 #endif 894 895 896 /* 897 ** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2. 898 ** 899 ** Tested for 1.04 and 1.03 900 ** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>. 901 */ 902 903 #ifdef __H3050R 904 # define SYSTEM5 1 /* include all the System V defines */ 905 # define HASINITGROUPS 1 /* has initgroups(3) call */ 906 # define setreuid(r, e) setresuid(r, e, -1) 907 # define LA_TYPE LA_FLOAT 908 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 909 # define HASSETVBUF /* HI-UX has no setlinebuf */ 910 # ifndef GIDSET_T 911 # define GIDSET_T gid_t 912 # endif 913 # ifndef _PATH_UNIX 914 # define _PATH_UNIX "/HI-UX" 915 # endif 916 # ifndef _PATH_SENDMAILCF 917 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 918 # endif 919 # ifndef IDENTPROTO 920 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 921 # endif 922 # ifndef HASGETUSERSHELL 923 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 924 # endif 925 926 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HIUX 3050 */ 927 # undef m_flags 928 929 # ifdef __STDC__ 930 extern int syslog(int, char *, ...); 931 # endif 932 933 #endif 934 935 936 937 /********************************************************************** 938 ** End of Per-Operating System defines 939 **********************************************************************/ 940 941 /********************************************************************** 942 ** More general defines 943 **********************************************************************/ 944 945 /* general BSD defines */ 946 #ifdef BSD 947 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 948 # define HASSETREUID 1 /* has setreuid(2) call */ 949 # define HASINITGROUPS 1 /* has initgroups(3) call */ 950 # ifndef HASSETRLIMIT 951 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 952 # endif 953 # ifndef HASFLOCK 954 # define HASFLOCK 1 /* has flock(2) call */ 955 # endif 956 # ifndef TZ_TYPE 957 # define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */ 958 # endif 959 #endif 960 961 /* general System V Release 4 defines */ 962 #ifdef __svr4__ 963 # define SYSTEM5 1 964 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 965 # define HASINITGROUPS 1 /* has initgroups(3) call */ 966 # ifndef HASSETRLIMIT 967 # define HASSETRLIMIT 1 /* has setrlimit(2) call */ 968 # endif 969 # ifndef HASGETUSERSHELL 970 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 971 # endif 972 # define setreuid(r, e) seteuid(e) 973 974 # ifndef _PATH_UNIX 975 # define _PATH_UNIX "/unix" 976 # endif 977 # ifndef _PATH_SENDMAILCF 978 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 979 # endif 980 # ifndef _PATH_SENDMAILPID 981 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 982 # endif 983 # ifndef SYSLOG_BUFSIZE 984 # define SYSLOG_BUFSIZE 128 985 # endif 986 # ifndef SFS_TYPE 987 # define SFS_TYPE SFS_STATVFS 988 # endif 989 #endif 990 991 /* general System V defines */ 992 #ifdef SYSTEM5 993 # include <sys/sysmacros.h> 994 # define HASUNAME 1 /* use System V uname(2) system call */ 995 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 996 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 997 # ifndef HASULIMIT 998 # define HASULIMIT 1 /* has the ulimit(2) syscall */ 999 # endif 1000 # ifndef LA_TYPE 1001 # define LA_TYPE LA_INT /* assume integer load average */ 1002 # endif 1003 # ifndef SFS_TYPE 1004 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 1005 # endif 1006 # ifndef TZ_TYPE 1007 # define TZ_TYPE TZ_TZNAME /* use tzname[] vector */ 1008 # endif 1009 # define bcopy(s, d, l) (memmove((d), (s), (l))) 1010 # define bzero(d, l) (memset((d), '\0', (l))) 1011 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 1012 #endif 1013 1014 /* general POSIX defines */ 1015 #ifdef _POSIX_VERSION 1016 # define HASSETSID 1 /* has Posix setsid(2) call */ 1017 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 1018 #endif 1019 1020 /* 1021 ** If no type for argument two of getgroups call is defined, assume 1022 ** it's an integer -- unfortunately, there seem to be several choices 1023 ** here. 1024 */ 1025 1026 #ifndef GIDSET_T 1027 # define GIDSET_T int 1028 #endif 1029 1030 /* 1031 ** Tweaking for systems that (for example) claim to be BSD but 1032 ** don't have all the standard BSD routines (boo hiss). 1033 */ 1034 1035 #ifdef titan 1036 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 1037 #endif 1038 1039 1040 /* 1041 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 1042 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 1043 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 1044 ** are closed. Some firewalls return this error if you try to connect 1045 ** to the IDENT port (113), so you can't receive email from these hosts 1046 ** on these systems. The firewall really should use a more specific 1047 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 1048 ** not explicitly set to zero above, default it on. 1049 */ 1050 1051 #ifndef IDENTPROTO 1052 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 1053 #endif 1054 1055 #ifndef HASGETUSERSHELL 1056 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1057 #endif 1058 1059 #ifndef HASFLOCK 1060 # define HASFLOCK 0 /* assume no flock(2) support */ 1061 #endif 1062 1063 #ifndef HASSETRLIMIT 1064 # define HASSETRLIMIT 0 /* assume no setrlimit(2) support */ 1065 #endif 1066 1067 #ifndef HASULIMIT 1068 # define HASULIMIT 0 /* assume no ulimit(2) support */ 1069 #endif 1070 1071 #ifndef OLD_NEWDB 1072 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1073 #endif 1074 1075 1076 /********************************************************************** 1077 ** Remaining definitions should never have to be changed. They are 1078 ** primarily to provide back compatibility for older systems -- for 1079 ** example, it includes some POSIX compatibility definitions 1080 **********************************************************************/ 1081 1082 /* System 5 compatibility */ 1083 #ifndef S_ISREG 1084 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1085 #endif 1086 #if !defined(S_ISLNK) && defined(S_IFLNK) 1087 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1088 #endif 1089 #ifndef S_IWGRP 1090 #define S_IWGRP 020 1091 #endif 1092 #ifndef S_IWOTH 1093 #define S_IWOTH 002 1094 #endif 1095 1096 /* 1097 ** Older systems don't have this error code -- it should be in 1098 ** /usr/include/sysexits.h. 1099 */ 1100 1101 # ifndef EX_CONFIG 1102 # define EX_CONFIG 78 /* configuration error */ 1103 # endif 1104 1105 /* pseudo-code used in server SMTP */ 1106 # define EX_QUIT 22 /* drop out of server immediately */ 1107 1108 1109 /* 1110 ** These are used in a few cases where we need some special 1111 ** error codes, but where the system doesn't provide something 1112 ** reasonable. They are printed in errstring. 1113 */ 1114 1115 #ifndef E_PSEUDOBASE 1116 # define E_PSEUDOBASE 256 1117 #endif 1118 1119 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1120 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1121 1122 /* type of arbitrary pointer */ 1123 #ifndef ARBPTR_T 1124 # define ARBPTR_T void * 1125 #endif 1126 1127 #ifndef __P 1128 # include "cdefs.h" 1129 #endif 1130 1131 #if NAMED_BIND 1132 # include <arpa/nameser.h> 1133 # ifdef __svr4__ 1134 # ifdef NOERROR 1135 # undef NOERROR /* avoid compiler conflict with stream.h */ 1136 # endif 1137 # endif 1138 #endif 1139 1140 /* 1141 ** The size of an IP address -- can't use sizeof because of problems 1142 ** on Crays, where everything is 64 bits. This will break if/when 1143 ** IP addresses are expanded to eight bytes. 1144 */ 1145 1146 #ifndef INADDRSZ 1147 # define INADDRSZ 4 1148 #endif 1149 1150 /* 1151 ** The size of various known types -- for reading network protocols. 1152 ** Again, we can't use sizeof because of compiler randomness. 1153 */ 1154 1155 #ifndef INT16SZ 1156 # define INT16SZ 2 1157 #endif 1158 #ifndef INT32SZ 1159 # define INT32SZ 4 1160 #endif 1161 1162 /* 1163 ** Do some required dependencies 1164 */ 1165 1166 #if defined(NETINET) || defined(NETISO) 1167 # define SMTP 1 /* enable user and server SMTP */ 1168 # define QUEUE 1 /* enable queueing */ 1169 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1170 #endif 1171 1172 1173 /* 1174 ** Arrange to use either varargs or stdargs 1175 */ 1176 1177 # ifdef __STDC__ 1178 1179 # include <stdarg.h> 1180 1181 # define VA_LOCAL_DECL va_list ap; 1182 # define VA_START(f) va_start(ap, f) 1183 # define VA_END va_end(ap) 1184 1185 # else 1186 1187 # include <varargs.h> 1188 1189 # define VA_LOCAL_DECL va_list ap; 1190 # define VA_START(f) va_start(ap) 1191 # define VA_END va_end(ap) 1192 1193 # endif 1194 1195 #ifdef HASUNAME 1196 # include <sys/utsname.h> 1197 # ifdef newstr 1198 # undef newstr 1199 # endif 1200 #else /* ! HASUNAME */ 1201 # define NODE_LENGTH 32 1202 struct utsname 1203 { 1204 char nodename[NODE_LENGTH+1]; 1205 }; 1206 #endif /* HASUNAME */ 1207 1208 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) && !defined(NonStop_UX_BXX) 1209 # define MAXHOSTNAMELEN 256 1210 #endif 1211 1212 #if !defined(SIGCHLD) && defined(SIGCLD) 1213 # define SIGCHLD SIGCLD 1214 #endif 1215 1216 #ifndef STDIN_FILENO 1217 #define STDIN_FILENO 0 1218 #endif 1219 1220 #ifndef STDOUT_FILENO 1221 #define STDOUT_FILENO 1 1222 #endif 1223 1224 #ifndef STDERR_FILENO 1225 #define STDERR_FILENO 2 1226 #endif 1227 1228 #ifndef LOCK_SH 1229 # define LOCK_SH 0x01 /* shared lock */ 1230 # define LOCK_EX 0x02 /* exclusive lock */ 1231 # define LOCK_NB 0x04 /* non-blocking lock */ 1232 # define LOCK_UN 0x08 /* unlock */ 1233 #endif 1234 1235 #ifndef SIG_ERR 1236 # define SIG_ERR ((void (*)()) -1) 1237 #endif 1238 1239 #ifndef WEXITSTATUS 1240 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1241 #endif 1242 #ifndef WIFEXITED 1243 # define WIFEXITED(st) (((st) & 0377) == 0) 1244 #endif 1245 1246 #ifndef SIGFUNC_DEFINED 1247 typedef void (*sigfunc_t) __P((int)); 1248 #endif 1249 1250 /* size of syslog buffer */ 1251 #ifndef SYSLOG_BUFSIZE 1252 # define SYSLOG_BUFSIZE 1024 1253 #endif 1254 1255 /* 1256 ** Size of tobuf (deliver.c) 1257 ** Tweak this to match your syslog implementation. It will have to 1258 ** allow for the extra information printed. 1259 */ 1260 1261 #ifndef TOBUFSIZE 1262 # if (SYSLOG_BUFSIZE) > 512 1263 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1264 # else 1265 # define TOBUFSIZE 256 1266 # endif 1267 #endif 1268 1269 /* 1270 ** Size of prescan buffer. 1271 ** Despite comments in the _sendmail_ book, this probably should 1272 ** not be changed; there are some hard-to-define dependencies. 1273 */ 1274 1275 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1276 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1277 # ifndef FORK 1278 # define FORK vfork /* function to call to fork mailer */ 1279 # endif 1280 1281 /* 1282 ** If we are going to link scanf anyway, use it in readcf 1283 */ 1284 1285 #if !defined(HASUNAME) && !defined(SCANF) 1286 # define SCANF 1 1287 #endif 1288