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 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)conf.h 8.104 (Berkeley) 4/17/94 35 */ 36 37 /* 38 ** CONF.H -- All user-configurable parameters for sendmail 39 */ 40 41 # include <sys/param.h> 42 # include <sys/types.h> 43 # include <sys/stat.h> 44 # include <sys/file.h> 45 # include <sys/wait.h> 46 # include <fcntl.h> 47 # include <signal.h> 48 49 /********************************************************************** 50 ** Table sizes, etc.... 51 ** There shouldn't be much need to change these.... 52 **********************************************************************/ 53 54 # define MAXLINE 2048 /* max line length */ 55 # define MAXNAME 256 /* max length of a name */ 56 # define MAXPV 40 /* max # of parms to mailers */ 57 # define MAXATOM 200 /* max atoms per address */ 58 # define MAXMAILERS 25 /* maximum mailers known to system */ 59 # define MAXRWSETS 100 /* max # of sets of rewriting rules */ 60 # define MAXPRIORITIES 25 /* max values for Precedence: field */ 61 # define MAXMXHOSTS 20 /* max # of MX records */ 62 # define SMTPLINELIM 990 /* maximum SMTP line length */ 63 # define MAXKEY 128 /* maximum size of a database key */ 64 # define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */ 65 # define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */ 66 # define MAXALIASDB 12 /* max # of alias databases */ 67 68 # ifndef QUEUESIZE 69 # define QUEUESIZE 1000 /* max # of jobs per queue run */ 70 # endif 71 72 /********************************************************************** 73 ** Compilation options. 74 ** 75 ** #define these if they are available; comment them out otherwise. 76 **********************************************************************/ 77 78 # define LOG 1 /* enable logging */ 79 # define UGLYUUCP 1 /* output ugly UUCP From lines */ 80 # define NETUNIX 1 /* include unix domain support */ 81 # define NETINET 1 /* include internet support */ 82 # define SETPROCTITLE 1 /* munge argv to display current status */ 83 # define MATCHGECOS 1 /* match user names from gecos field */ 84 # define XDEBUG 1 /* enable extended debugging */ 85 # ifdef NEWDB 86 # define USERDB 1 /* look in user database (requires NEWDB) */ 87 # endif 88 89 /********************************************************************** 90 ** 0/1 Compilation options. 91 ** #define these to 1 if they are available; 92 ** #define them to 0 otherwise. 93 **********************************************************************/ 94 95 # ifndef NAMED_BIND 96 # define NAMED_BIND 1 /* use Berkeley Internet Domain Server */ 97 # endif 98 99 /* 100 ** Most systems have symbolic links today, so default them on. You 101 ** can turn them off by #undef'ing this below. 102 */ 103 104 # define HASLSTAT 1 /* has lstat(2) call */ 105 106 /* 107 ** General "standard C" defines. 108 ** 109 ** These may be undone later, to cope with systems that claim to 110 ** be Standard C but aren't. Gcc is the biggest offender -- it 111 ** doesn't realize that the library is part of the language. 112 ** 113 ** Life would be much easier if we could get rid of this sort 114 ** of bozo problems. 115 */ 116 117 #ifdef __STDC__ 118 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 119 #endif 120 121 /********************************************************************** 122 ** Operating system configuration. 123 ** 124 ** Unless you are porting to a new OS, you shouldn't have to 125 ** change these. 126 **********************************************************************/ 127 128 /* 129 ** Per-Operating System defines 130 */ 131 132 133 /* 134 ** HP-UX -- tested for 8.07, 9.00, and 9.01. 135 */ 136 137 # ifdef __hpux 138 /* avoid m_flags conflict between db.h & sys/sysmacros.h on HP 300 */ 139 # undef m_flags 140 # define SYSTEM5 1 /* include all the System V defines */ 141 # define HASINITGROUPS 1 /* has initgroups(3) call */ 142 # define HASSETREUID 1 /* has setreuid(2) call */ 143 # define setreuid(r, e) setresuid(r, e, -1) 144 # define LA_TYPE LA_FLOAT 145 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 146 # define GIDSET_T gid_t 147 # define _PATH_UNIX "/hp-ux" 148 # ifndef _PATH_SENDMAILCF 149 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 150 # endif 151 # ifndef IDENTPROTO 152 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 153 # endif 154 # ifndef HASGETUSERSHELL 155 # define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */ 156 # endif 157 # define syslog hard_syslog 158 # ifdef __STDC__ 159 extern int syslog(int, char *, ...); 160 # endif 161 # endif 162 163 164 /* 165 ** IBM AIX 3.x -- actually tested for 3.2.3 166 */ 167 168 # ifdef _AIX3 169 # define HASINITGROUPS 1 /* has initgroups(3) call */ 170 # define HASUNAME 1 /* use System V uname(2) system call */ 171 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 172 # define FORK fork /* no vfork primitive available */ 173 # undef SETPROCTITLE /* setproctitle confuses AIX */ 174 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 175 # endif 176 177 178 /* 179 ** Silicon Graphics IRIX 180 ** 181 ** Compiles on 4.0.1. 182 */ 183 184 # ifdef IRIX 185 # define SYSTEM5 1 /* this is a System-V derived system */ 186 # define HASSETREUID 1 /* has setreuid(2) call */ 187 # define HASINITGROUPS 1 /* has initgroups(3) call */ 188 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 189 # define FORK fork /* no vfork primitive available */ 190 # define WAITUNION 1 /* use "union wait" as wait argument type */ 191 # define setpgid BSDsetpgrp 192 # define GIDSET_T gid_t 193 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 194 # define LA_TYPE LA_INT 195 # endif 196 197 198 /* 199 ** SunOS and Solaris 200 ** 201 ** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and 202 ** Solaris 2.2 (a.k.a. SunOS 5.2). 203 */ 204 205 #if defined(sun) && !defined(BSD) 206 207 # define HASINITGROUPS 1 /* has initgroups(3) call */ 208 # define HASUNAME 1 /* use System V uname(2) system call */ 209 # define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */ 210 # define LA_TYPE LA_INT 211 212 # ifdef SOLARIS_2_3 213 # define SOLARIS 214 # endif 215 216 # ifdef SOLARIS 217 /* Solaris 2.x (a.k.a. SunOS 5.x) */ 218 # ifndef __svr4__ 219 # define __svr4__ /* use all System V Releae 4 defines below */ 220 # endif 221 # include <sys/time.h> 222 # define gethostbyname solaris_gethostbyname /* get working version */ 223 # define gethostbyaddr solaris_gethostbyaddr /* get working version */ 224 # define GIDSET_T gid_t 225 # ifndef _PATH_UNIX 226 # define _PATH_UNIX "/kernel/unix" 227 # endif 228 # ifndef _PATH_SENDMAILCF 229 # define _PATH_SENDMAILCF "/etc/mail/sendmail.cf" 230 # endif 231 # ifndef _PATH_SENDMAILPID 232 # define _PATH_SENDMAILPID "/etc/mail/sendmail.pid" 233 # endif 234 # ifndef SYSLOG_BUFSIZE 235 # define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */ 236 # endif 237 238 # else 239 /* SunOS 4.0.3 or 4.1.x */ 240 # define HASSETREUID 1 /* has setreuid(2) call */ 241 # ifndef HASFLOCK 242 # define HASFLOCK 1 /* has flock(2) call */ 243 # endif 244 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 245 # include <vfork.h> 246 247 # ifdef SUNOS403 248 /* special tweaking for SunOS 4.0.3 */ 249 # include <malloc.h> 250 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 251 # define WAITUNION 1 /* use "union wait" as wait argument type */ 252 # undef WIFEXITED 253 # undef WEXITSTATUS 254 # undef HASUNAME 255 # define setpgid setpgrp 256 typedef int pid_t; 257 extern char *getenv(); 258 259 # else 260 /* 4.1.x specifics */ 261 # define HASSETSID 1 /* has Posix setsid(2) call */ 262 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 263 264 # endif 265 # endif 266 #endif 267 268 /* 269 ** DG/UX 270 ** 271 ** Tested on 5.4.2 272 */ 273 274 #ifdef DGUX 275 # define SYSTEM5 1 276 # define LA_TYPE LA_SUBR 277 # define HASSETREUID 1 /* has setreuid(2) call */ 278 # define HASUNAME 1 /* use System V uname(2) system call */ 279 # define HASSETSID 1 /* has Posix setsid(2) call */ 280 # define HASINITGROUPS 1 /* has initgroups(3) call */ 281 # define HASGETUSERSHELL 0 /* does not have getusershell(3) */ 282 # ifndef IDENTPROTO 283 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 284 # endif 285 # undef SETPROCTITLE 286 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 287 288 /* these include files must be included early on DG/UX */ 289 # include <netinet/in.h> 290 # include <arpa/inet.h> 291 292 # define inet_addr dgux_inet_addr 293 extern long dgux_inet_addr(); 294 #endif 295 296 297 /* 298 ** Digital Ultrix 4.2A or 4.3 299 ** 300 ** Apparently, fcntl locking is broken on 4.2A, in that locks are 301 ** not dropped when the process exits. This causes major problems, 302 ** so flock is the only alternative. 303 */ 304 305 #ifdef ultrix 306 # define HASSETREUID 1 /* has setreuid(2) call */ 307 # define HASUNSETENV 1 /* has unsetenv(3) call */ 308 # define HASINITGROUPS 1 /* has initgroups(3) call */ 309 # define HASUNAME 1 /* use System V uname(2) system call */ 310 # ifndef HASFLOCK 311 # define HASFLOCK 1 /* has flock(2) call */ 312 # endif 313 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 314 # define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */ 315 # ifdef vax 316 # define LA_TYPE LA_FLOAT 317 # else 318 # define LA_TYPE LA_INT 319 # define LA_AVENRUN "avenrun" 320 # endif 321 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 322 # ifndef IDENTPROTO 323 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 324 # endif 325 #endif 326 327 328 /* 329 ** OSF/1 (tested on Alpha) 330 */ 331 332 #ifdef __osf__ 333 # define HASUNSETENV 1 /* has unsetenv(3) call */ 334 # define HASSETREUID 1 /* has setreuid(2) call */ 335 # define HASINITGROUPS 1 /* has initgroups(3) call */ 336 # ifndef HASFLOCK 337 # define HASFLOCK 1 /* has flock(2) call */ 338 # endif 339 # define LA_TYPE LA_INT 340 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 341 # ifndef _PATH_SENDMAILPID 342 # define _PATH_SENDMAILPID "/var/run/sendmail.pid" 343 # endif 344 #endif 345 346 347 /* 348 ** NeXTstep 349 */ 350 351 #ifdef NeXT 352 # define HASINITGROUPS 1 /* has initgroups(3) call */ 353 # ifndef HASFLOCK 354 # define HASFLOCK 1 /* has flock(2) call */ 355 # endif 356 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 357 # define WAITUNION 1 /* use "union wait" as wait argument type */ 358 # define sleep sleepX 359 # define setpgid setpgrp 360 # ifndef LA_TYPE 361 # define LA_TYPE LA_MACH 362 # endif 363 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 364 # ifndef _POSIX_SOURCE 365 typedef int pid_t; 366 # undef WEXITSTATUS 367 # undef WIFEXITED 368 # endif 369 # ifndef _PATH_SENDMAILCF 370 # define _PATH_SENDMAILCF "/etc/sendmail/sendmail.cf" 371 # endif 372 # ifndef _PATH_SENDMAILPID 373 # define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid" 374 # endif 375 #endif 376 377 378 /* 379 ** 4.4 BSD 380 ** 381 ** See also BSD defines. 382 */ 383 384 #ifdef BSD4_4 385 # define HASUNSETENV 1 /* has unsetenv(3) call */ 386 # include <sys/cdefs.h> 387 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 388 # ifndef LA_TYPE 389 # define LA_TYPE LA_SUBR 390 # endif 391 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 392 #endif 393 394 395 /* 396 ** BSD/386 (all versions) 397 ** From Tony Sanders, BSDI 398 */ 399 400 #ifdef __bsdi__ 401 # define HASUNSETENV 1 /* has the unsetenv(3) call */ 402 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 403 # include <sys/cdefs.h> 404 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 405 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 406 # ifndef LA_TYPE 407 # define LA_TYPE LA_SUBR 408 # endif 409 # if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312 410 /* version 1.1 or later */ 411 # define HASSETPROCTITLE 1 /* setproctitle is in libc */ 412 # undef SETPROCTITLE /* so don't redefine it in conf.c */ 413 # else 414 /* version 1.0 or earlier */ 415 # ifndef OLD_NEWDB 416 # define OLD_NEWDB 1 /* old version of newdb library */ 417 # endif 418 # endif 419 #endif 420 421 422 423 /* 424 ** 386BSD / FreeBSD 1.0E / NetBSD (all architectures, all versions) 425 ** 426 ** 4.3BSD clone, closer to 4.4BSD 427 ** 428 ** See also BSD defines. 429 */ 430 431 #if defined(__386BSD__) || defined(__FreeBSD__) || defined(__NetBSD__) 432 # define HASUNSETENV 1 /* has unsetenv(3) call */ 433 # define HASSETSID 1 /* has the setsid(2) POSIX syscall */ 434 # ifdef __NetBSD__ 435 # define HASUNAME 1 /* has uname(2) syscall */ 436 # endif 437 # include <sys/cdefs.h> 438 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 439 # ifndef LA_TYPE 440 # define LA_TYPE LA_SUBR 441 # endif 442 # define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */ 443 #endif 444 445 446 /* 447 ** Mach386 448 ** 449 ** For mt Xinu's Mach386 system. 450 */ 451 452 #if defined(MACH) && defined(i386) 453 # define MACH386 1 454 # define HASUNSETENV 1 /* has unsetenv(3) call */ 455 # define HASINITGROUPS 1 /* has initgroups(3) call */ 456 # ifndef HASFLOCK 457 # define HASFLOCK 1 /* has flock(2) call */ 458 # endif 459 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 460 # define NEEDSTRTOL 1 /* need the strtol() function */ 461 # define setpgid setpgrp 462 # ifndef LA_TYPE 463 # define LA_TYPE LA_FLOAT 464 # endif 465 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 466 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 467 # undef WEXITSTATUS 468 # undef WIFEXITED 469 # ifndef _PATH_SENDMAILCF 470 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 471 # endif 472 # ifndef _PATH_SENDMAILPID 473 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 474 # endif 475 #endif 476 477 478 /* 479 ** 4.3 BSD -- this is for very old systems 480 ** 481 ** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1. 482 ** 483 ** You'll also have to install a new resolver library. 484 ** I don't guarantee that support for this environment is complete. 485 */ 486 487 #if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) 488 # define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */ 489 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 490 # define ARBPTR_T char * 491 # define setpgid setpgrp 492 # ifndef LA_TYPE 493 # define LA_TYPE LA_FLOAT 494 # endif 495 # ifndef _PATH_SENDMAILCF 496 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 497 # endif 498 # ifndef IDENTPROTO 499 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 500 # endif 501 # undef WEXITSTATUS 502 # undef WIFEXITED 503 typedef short pid_t; 504 extern int errno; 505 #endif 506 507 508 /* 509 ** SCO Unix 510 ** 511 ** This includes two parts -- the first is for SCO Open Server 3.2v4 512 ** (contributed by Philippe Brand <phb@colombo.telesys-innov.fr>). 513 ** The second is, I believe, for an older version. 514 */ 515 516 #ifdef _SCO_unix_4_2 517 # define _SCO_unix_ 518 # define HASSETREUID 1 /* has setreuid(2) call */ 519 # define NEEDFSYNC 1 /* needs the fsync(2) call stub */ 520 # define _PATH_UNIX "/unix" 521 # ifndef _PATH_SENDMAILCF 522 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 523 # endif 524 # ifndef _PATH_SENDMAILPID 525 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 526 # endif 527 #endif 528 529 #ifdef _SCO_unix_ 530 # define SYSTEM5 1 /* include all the System V defines */ 531 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 532 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 533 # define FORK fork 534 # define MAXPATHLEN PATHSIZE 535 # define LA_TYPE LA_SHORT 536 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 537 # undef NETUNIX /* no unix domain socket support */ 538 #endif 539 540 541 /* 542 ** ConvexOS 11.0 and later 543 ** 544 ** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this 545 ** works on 9.1 as well. 546 */ 547 548 #ifdef _CONVEX_SOURCE 549 # define BSD 1 /* include all the BSD defines */ 550 # define HASUNAME 1 /* use System V uname(2) system call */ 551 # define HASSETSID 1 /* has POSIX setsid(2) call */ 552 # define NEEDGETOPT 1 /* need replacement for getopt(3) */ 553 # define LA_TYPE LA_FLOAT 554 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 555 # ifndef _PATH_SENDMAILCF 556 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 557 # endif 558 # ifndef S_IREAD 559 # define S_IREAD _S_IREAD 560 # define S_IWRITE _S_IWRITE 561 # define S_IEXEC _S_IEXEC 562 # define S_IFMT _S_IFMT 563 # define S_IFCHR _S_IFCHR 564 # define S_IFBLK _S_IFBLK 565 # endif 566 # ifndef IDENTPROTO 567 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 568 # endif 569 #endif 570 571 572 /* 573 ** RISC/os 4.52 574 ** 575 ** Gives a ton of warning messages, but otherwise compiles. 576 */ 577 578 #ifdef RISCOS 579 580 # define HASUNSETENV 1 /* has unsetenv(3) call */ 581 # ifndef HASFLOCK 582 # define HASFLOCK 1 /* has flock(2) call */ 583 # endif 584 # define WAITUNION 1 /* use "union wait" as wait argument type */ 585 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 586 # define LA_TYPE LA_INT 587 # define LA_AVENRUN "avenrun" 588 # define _PATH_UNIX "/unix" 589 # undef WIFEXITED 590 591 # define setpgid setpgrp 592 593 extern int errno; 594 typedef int pid_t; 595 #define SIGFUNC_DEFINED 596 typedef int (*sigfunc_t)(); 597 extern char *getenv(); 598 extern void *malloc(); 599 600 #endif 601 602 603 /* 604 ** Linux 0.99pl10 and above... 605 ** 606 ** Thanks to, in reverse order of contact: 607 ** 608 ** John Kennedy <warlock@csuchico.edu> 609 ** Florian La Roche <rzsfl@rz.uni-sb.de> 610 ** Karl London <karl@borg.demon.co.uk> 611 ** 612 ** Last compiled against: [03/02/94 @ 05:34 PM (Wednesday)] 613 ** sendmail 8.6.6.b9 named 4.9.2-931205-p1 db-1.73 614 ** gcc 2.5.8 libc.so.4.5.19 615 ** slackware 1.1.2 linux 0.99.15 616 */ 617 618 #ifdef __linux__ 619 # define BSD 1 /* include BSD defines */ 620 # define NEEDGETOPT 1 /* need a replacement for getopt(3) */ 621 # define HASUNAME 1 /* use System V uname(2) system call */ 622 # define HASUNSETENV 1 /* has unsetenv(3) call */ 623 # define ERRLIST_PREDEFINED /* don't declare sys_errlist */ 624 # define GIDSET_T gid_t /* from <linux/types.h> */ 625 # ifndef LA_TYPE 626 # define LA_TYPE LA_PROCSTR 627 # endif 628 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */ 629 # include <sys/sysmacros.h> 630 # undef atol /* wounded in <stdlib.h> */ 631 #endif 632 633 634 /* 635 ** DELL SVR4 Issue 2.2, and others 636 ** From Kimmo Suominen <kim@grendel.lut.fi> 637 ** 638 ** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__ 639 ** defined, and the definitions conflict. 640 ** 641 ** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid 642 ** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A 643 ** (SVR4.0/386 version 3.0). 644 */ 645 646 #ifdef DELL_SVR4 647 /* no changes necessary */ 648 /* see general __svr4__ defines below */ 649 #endif 650 651 652 /* 653 ** Apple A/UX 3.0 654 */ 655 656 #ifdef _AUX_SOURCE 657 # include <sys/sysmacros.h> 658 # define BSD /* has BSD routines */ 659 # define HASUNAME 1 /* use System V uname(2) system call */ 660 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 661 # define SIGFUNC_DEFINED /* sigfunc_t already defined */ 662 # ifndef IDENTPROTO 663 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 664 # endif 665 # define FORK fork 666 # ifndef _PATH_SENDMAILCF 667 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 668 # endif 669 # ifndef LA_TYPE 670 # define LA_TYPE LA_ZERO 671 # endif 672 # define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */ 673 # undef WIFEXITED 674 # undef WEXITSTATUS 675 #endif 676 677 678 /* 679 ** Encore UMAX V 680 ** 681 ** Not extensively tested. 682 */ 683 684 #ifdef UMAXV 685 # include <limits.h> 686 # define HASUNAME 1 /* use System V uname(2) system call */ 687 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 688 # define HASINITGROUPS 1 /* has initgroups(3) call */ 689 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 690 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 691 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 692 # define FORK fork /* no vfork(2) primitive available */ 693 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 694 # define MAXPATHLEN PATH_MAX 695 extern struct passwd *getpwent(), *getpwnam(), *getpwuid(); 696 extern struct group *getgrent(), *getgrnam(), *getgrgid(); 697 # undef WIFEXITED 698 # undef WEXITSTATUS 699 #endif 700 701 702 /* 703 ** Stardent Titan 3000 running TitanOS 4.2. 704 ** 705 ** Must be compiled in "cc -43" mode. 706 ** 707 ** From Kate Hedstrom <kate@ahab.rutgers.edu>. 708 ** 709 ** Note the tweaking below after the BSD defines are set. 710 */ 711 712 #ifdef titan 713 # define setpgid setpgrp 714 typedef int pid_t; 715 # undef WIFEXITED 716 # undef WEXITSTATUS 717 #endif 718 719 720 /* 721 ** Sequent DYNIX 3.2.0 722 ** 723 ** From Jim Davis <jdavis@cs.arizona.edu>. 724 */ 725 726 #ifdef sequent 727 728 # define BSD 1 729 # define HASUNSETENV 1 730 # define BSD4_3 1 /* to get signal() in conf.c */ 731 # define WAITUNION 1 732 # define LA_TYPE LA_FLOAT 733 # ifdef _POSIX_VERSION 734 # undef _POSIX_VERSION /* set in <unistd.h> */ 735 # endif 736 # undef HASSETVBUF /* don't actually have setvbuf(3) */ 737 # define setpgid setpgrp 738 739 /* Have to redefine WIFEXITED to take an int, to work with waitfor() */ 740 # undef WIFEXITED 741 # define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \ 742 ((union wait*)&(s))->w_termsig == 0) 743 # define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode) 744 typedef int pid_t; 745 # define isgraph(c) (isprint(c) && (c != ' ')) 746 747 # ifndef IDENTPROTO 748 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 749 # endif 750 751 # ifndef _PATH_UNIX 752 # define _PATH_UNIX "/dynix" 753 # endif 754 # ifndef _PATH_SENDMAILCF 755 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 756 # endif 757 758 #endif 759 760 761 /* 762 ** Sequent DYNIX/ptx v2.0 (and higher) 763 ** 764 ** For DYNIX/ptx v1.x, undefine HASSETREUID. 765 ** 766 ** From Tim Wright <timw@sequent.com>. 767 */ 768 769 #ifdef _SEQUENT_ 770 # define SYSTEM5 1 /* include all the System V defines */ 771 # define HASSETSID 1 /* has POSIX setsid(2) call */ 772 # define HASINITGROUPS 1 /* has initgroups(3) call */ 773 # define HASSETREUID 1 /* has setreuid(2) call */ 774 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 775 # define GIDSET_T gid_t 776 # define LA_TYPE LA_INT 777 # define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */ 778 # undef SETPROCTITLE 779 # ifndef IDENTPROTO 780 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 781 # endif 782 # ifndef _PATH_SENDMAILCF 783 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 784 # endif 785 # ifndef _PATH_SENDMAILPID 786 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 787 # endif 788 #endif 789 790 791 /* 792 ** Cray Unicos 793 ** 794 ** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov> 795 */ 796 797 #ifdef UNICOS 798 # define SYSTEM5 1 /* include all the System V defines */ 799 # define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */ 800 # define MAXPATHLEN PATHSIZE 801 # define LA_TYPE LA_ZERO 802 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 803 #endif 804 805 806 /* 807 ** Apollo DomainOS 808 ** 809 ** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com> 810 ** 811 ** 15 Jan 1994 812 ** 813 */ 814 815 #ifdef apollo 816 # define HASSETREUID 1 /* has setreuid(2) call */ 817 # define HASINITGROUPS 1 /* has initgroups(2) call */ 818 # undef SETPROCTITLE 819 # define LA_TYPE LA_SUBR /* use getloadavg.c */ 820 # define SFS_TYPE SFS_4ARGS /* four argument statfs() call */ 821 # ifndef _PATH_SENDMAILCF 822 # define _PATH_SENDMAILCF "/usr/lib/sendmail.cf" 823 # endif 824 # ifndef _PATH_SENDMAILPID 825 # define _PATH_SENDMAILPID "/etc/sendmail.pid" 826 # endif 827 # undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */ 828 # undef S_IFIFO 829 # define S_IFIFO 0010000 830 # ifndef IDENTPROTO 831 # define IDENTPROTO 0 /* TCP/IP implementation is broken */ 832 # endif 833 #endif 834 835 836 /* 837 ** UnixWare 838 ** 839 ** From Evan Champion <evanc@spatial.synapse.org>. 840 */ 841 842 #ifdef UNIXWARE 843 # define SYSTEM5 1 844 # ifndef HASGETUSERSHELL 845 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 846 # endif 847 # define GIDSET_T int 848 # define SLEEP_T int 849 # define SFS_TYPE SFS_STATVFS 850 # define LA_TYPE LA_ZERO 851 # undef WIFEXITED 852 # undef WEXITSTATUS 853 # define _PATH_UNIX "/unix" 854 # ifndef _PATH_SENDMAILCF 855 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 856 # endif 857 # ifndef _PATH_SENDMAILPID 858 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 859 # endif 860 # define SYSLOG_BUFSIZE 128 861 #endif 862 863 864 /* 865 ** Intergraph CLIX 3.1 866 ** 867 ** From Paul Southworth <pauls@locust.cic.net> 868 */ 869 870 #ifdef CLIX 871 # define SYSTEM5 1 /* looks like System V */ 872 # ifndef HASGETUSERSHELL 873 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 874 # endif 875 # define DEV_BSIZE 512 /* device block size not defined */ 876 # define GIDSET_T gid_t 877 # undef LOG /* syslog not available */ 878 # define NEEDFSYNC 1 /* no fsync in system library */ 879 # define GETSHORT _getshort 880 #endif 881 882 883 /* 884 ** NCR 3000 Series (SysVr4) 885 ** 886 ** From From: Kevin Darcy <kevin@tech.mis.cfc.com>. 887 */ 888 889 #ifdef NCR3000 890 # define __svr4__ 891 # undef BSD 892 # define LA_AVENRUN "avenrun" 893 #endif 894 895 896 897 898 899 /********************************************************************** 900 ** End of Per-Operating System defines 901 **********************************************************************/ 902 903 /********************************************************************** 904 ** More general defines 905 **********************************************************************/ 906 907 /* general BSD defines */ 908 #ifdef BSD 909 # define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */ 910 # define HASSETREUID 1 /* has setreuid(2) call */ 911 # define HASINITGROUPS 1 /* has initgroups(2) call */ 912 # ifndef HASFLOCK 913 # define HASFLOCK 1 /* has flock(2) call */ 914 # endif 915 #endif 916 917 /* general System V Release 4 defines */ 918 #ifdef __svr4__ 919 # define SYSTEM5 1 920 # define HASSETREUID 1 /* has seteuid(2) call & working saved uids */ 921 # ifndef HASGETUSERSHELL 922 # define HASGETUSERSHELL 0 /* does not have getusershell(3) call */ 923 # endif 924 # define setreuid(r, e) seteuid(e) 925 926 # ifndef _PATH_UNIX 927 # define _PATH_UNIX "/unix" 928 # endif 929 # ifndef _PATH_SENDMAILCF 930 # define _PATH_SENDMAILCF "/usr/ucblib/sendmail.cf" 931 # endif 932 # ifndef _PATH_SENDMAILPID 933 # define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid" 934 # endif 935 # ifndef SYSLOG_BUFSIZE 936 # define SYSLOG_BUFSIZE 128 937 # endif 938 #endif 939 940 /* general System V defines */ 941 #ifdef SYSTEM5 942 # include <sys/sysmacros.h> 943 # define HASUNAME 1 /* use System V uname(2) system call */ 944 # define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */ 945 # define HASSETVBUF 1 /* we have setvbuf(3) in libc */ 946 # ifndef LA_TYPE 947 # define LA_TYPE LA_INT /* assume integer load average */ 948 # endif 949 # ifndef SFS_TYPE 950 # define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */ 951 # endif 952 # define bcopy(s, d, l) (memmove((d), (s), (l))) 953 # define bzero(d, l) (memset((d), '\0', (l))) 954 # define bcmp(s, d, l) (memcmp((s), (d), (l))) 955 #endif 956 957 /* general POSIX defines */ 958 #ifdef _POSIX_VERSION 959 # define HASSETSID 1 /* has Posix setsid(2) call */ 960 # define HASWAITPID 1 /* has Posix waitpid(2) call */ 961 #endif 962 963 /* 964 ** If no type for argument two of getgroups call is defined, assume 965 ** it's an integer -- unfortunately, there seem to be several choices 966 ** here. 967 */ 968 969 #ifndef GIDSET_T 970 # define GIDSET_T int 971 #endif 972 973 /* 974 ** Tweaking for systems that (for example) claim to be BSD but 975 ** don't have all the standard BSD routines (boo hiss). 976 */ 977 978 #ifdef titan 979 # undef HASINITGROUPS /* doesn't have initgroups(3) call */ 980 #endif 981 982 983 /* 984 ** Due to a "feature" in some operating systems such as Ultrix 4.3 and 985 ** HPUX 8.0, if you receive a "No route to host" message (ICMP message 986 ** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host 987 ** are closed. Some firewalls return this error if you try to connect 988 ** to the IDENT port (113), so you can't receive email from these hosts 989 ** on these systems. The firewall really should use a more specific 990 ** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB. If 991 ** not explicitly set to zero above, default it on. 992 */ 993 994 #ifndef IDENTPROTO 995 # define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */ 996 #endif 997 998 #ifndef HASGETUSERSHELL 999 # define HASGETUSERSHELL 1 /* libc has getusershell(3) call */ 1000 #endif 1001 1002 #ifndef HASFLOCK 1003 # define HASFLOCK 0 /* assume no flock(2) support */ 1004 #endif 1005 1006 #ifndef OLD_NEWDB 1007 # define OLD_NEWDB 0 /* assume newer version of newdb */ 1008 #endif 1009 1010 1011 /********************************************************************** 1012 ** Remaining definitions should never have to be changed. They are 1013 ** primarily to provide back compatibility for older systems -- for 1014 ** example, it includes some POSIX compatibility definitions 1015 **********************************************************************/ 1016 1017 /* System 5 compatibility */ 1018 #ifndef S_ISREG 1019 # define S_ISREG(foo) ((foo & S_IFMT) == S_IFREG) 1020 #endif 1021 #if !defined(S_ISLNK) && defined(S_IFLNK) 1022 # define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK) 1023 #endif 1024 #ifndef S_IWGRP 1025 #define S_IWGRP 020 1026 #endif 1027 #ifndef S_IWOTH 1028 #define S_IWOTH 002 1029 #endif 1030 1031 /* 1032 ** Older systems don't have this error code -- it should be in 1033 ** /usr/include/sysexits.h. 1034 */ 1035 1036 # ifndef EX_CONFIG 1037 # define EX_CONFIG 78 /* configuration error */ 1038 # endif 1039 1040 /* pseudo-code used in server SMTP */ 1041 # define EX_QUIT 22 /* drop out of server immediately */ 1042 1043 1044 /* 1045 ** These are used in a few cases where we need some special 1046 ** error codes, but where the system doesn't provide something 1047 ** reasonable. They are printed in errstring. 1048 */ 1049 1050 #ifndef E_PSEUDOBASE 1051 # define E_PSEUDOBASE 256 1052 #endif 1053 1054 #define EOPENTIMEOUT (E_PSEUDOBASE + 0) /* timeout on open */ 1055 #define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */ 1056 1057 /* type of arbitrary pointer */ 1058 #ifndef ARBPTR_T 1059 # define ARBPTR_T void * 1060 #endif 1061 1062 #ifndef __P 1063 # include "cdefs.h" 1064 #endif 1065 1066 /* 1067 ** Do some required dependencies 1068 */ 1069 1070 #if defined(NETINET) || defined(NETISO) 1071 # define SMTP 1 /* enable user and server SMTP */ 1072 # define QUEUE 1 /* enable queueing */ 1073 # define DAEMON 1 /* include the daemon (requires IPC & SMTP) */ 1074 #endif 1075 1076 1077 /* 1078 ** Arrange to use either varargs or stdargs 1079 */ 1080 1081 # ifdef __STDC__ 1082 1083 # include <stdarg.h> 1084 1085 # define VA_LOCAL_DECL va_list ap; 1086 # define VA_START(f) va_start(ap, f) 1087 # define VA_END va_end(ap) 1088 1089 # else 1090 1091 # include <varargs.h> 1092 1093 # define VA_LOCAL_DECL va_list ap; 1094 # define VA_START(f) va_start(ap) 1095 # define VA_END va_end(ap) 1096 1097 # endif 1098 1099 #ifdef HASUNAME 1100 # include <sys/utsname.h> 1101 # ifdef newstr 1102 # undef newstr 1103 # endif 1104 #else /* ! HASUNAME */ 1105 # define NODE_LENGTH 32 1106 struct utsname 1107 { 1108 char nodename[NODE_LENGTH+1]; 1109 }; 1110 #endif /* HASUNAME */ 1111 1112 #if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_) 1113 # define MAXHOSTNAMELEN 256 1114 #endif 1115 1116 #if !defined(SIGCHLD) && defined(SIGCLD) 1117 # define SIGCHLD SIGCLD 1118 #endif 1119 1120 #ifndef STDIN_FILENO 1121 #define STDIN_FILENO 0 1122 #endif 1123 1124 #ifndef STDOUT_FILENO 1125 #define STDOUT_FILENO 1 1126 #endif 1127 1128 #ifndef STDERR_FILENO 1129 #define STDERR_FILENO 2 1130 #endif 1131 1132 #ifndef LOCK_SH 1133 # define LOCK_SH 0x01 /* shared lock */ 1134 # define LOCK_EX 0x02 /* exclusive lock */ 1135 # define LOCK_NB 0x04 /* non-blocking lock */ 1136 # define LOCK_UN 0x08 /* unlock */ 1137 #endif 1138 1139 #ifndef SIG_ERR 1140 # define SIG_ERR ((void (*)()) -1) 1141 #endif 1142 1143 #ifndef WEXITSTATUS 1144 # define WEXITSTATUS(st) (((st) >> 8) & 0377) 1145 #endif 1146 #ifndef WIFEXITED 1147 # define WIFEXITED(st) (((st) & 0377) == 0) 1148 #endif 1149 1150 #ifndef SIGFUNC_DEFINED 1151 typedef void (*sigfunc_t) __P((int)); 1152 #endif 1153 1154 /* size of syslog buffer */ 1155 #ifndef SYSLOG_BUFSIZE 1156 # define SYSLOG_BUFSIZE 1024 1157 #endif 1158 1159 /* 1160 ** Size of tobuf (deliver.c) 1161 ** Tweak this to match your syslog implementation. It will have to 1162 ** allow for the extra information printed. 1163 */ 1164 1165 #ifndef TOBUFSIZE 1166 # if (SYSLOG_BUFSIZE) > 512 1167 # define TOBUFSIZE (SYSLOG_BUFSIZE - 256) 1168 # else 1169 # define TOBUFSIZE 256 1170 # endif 1171 #endif 1172 1173 /* 1174 ** Size of prescan buffer. 1175 ** Despite comments in the _sendmail_ book, this probably should 1176 ** not be changed; there are some hard-to-define dependencies. 1177 */ 1178 1179 # define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */ 1180 /* fork routine -- set above using #ifdef _osname_ or in Makefile */ 1181 # ifndef FORK 1182 # define FORK vfork /* function to call to fork mailer */ 1183 # endif 1184 1185 /* 1186 ** If we are going to link scanf anyway, use it in readcf 1187 */ 1188 1189 #if !defined(HASUNAME) && !defined(SCANF) 1190 # define SCANF 1 1191 #endif 1192