2 * Copyright (c) 1998-2013 Sendmail, Inc. and its suppliers.
4 * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
5 * Copyright (c) 1988, 1993
6 * The Regents of the University of California. All rights reserved.
8 * By using this file, you agree to the terms and conditions set
9 * forth in the LICENSE file which can be found at the top level of
10 * the sendmail distribution.
14 ** SENDMAIL.H -- MTA-specific definitions for sendmail.
18 # define _SENDMAIL_H 1
21 # define MILTER 1 /* turn on MILTER by default */
27 # define EXTERN extern
41 # undef EX_OK /* for SVr4.2 SMP */
44 #include "sendmail/sendmail.h"
48 # define SM_PROF(x) moncontrol(x)
49 #else /* MONCONTROL */
51 #endif /* MONCONTROL */
55 SM_UNUSED(static char SmailId[]) = "@(#)$Id: sendmail.h,v 8.1101 2013/03/15 17:54:12 ca Exp $";
67 #include <sm/signal.h>
70 #include <sm/errstring.h>
71 #include <sm/sysexits.h>
81 # if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25
82 # include <sys/socket.h>
83 # endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
87 # if NETINET || NETINET6
88 # include <netinet/in.h>
89 # endif /* NETINET || NETINET6 */
92 ** There is no standard yet for IPv6 includes.
93 ** Specify OS specific implementation in conf.h
95 # endif /* NETINET6 */
97 # include <netiso/iso.h>
100 # include <netns/ns.h>
103 # include <netccitt/x25.h>
107 # include <arpa/nameser.h>
109 # undef NOERROR /* avoid <sys/streams.h> conflict */
110 # endif /* NOERROR */
112 # else /* NAMED_BIND */
113 # undef SM_SET_H_ERRNO
114 # define SM_SET_H_ERRNO(err)
115 # endif /* NAMED_BIND */
119 # if !defined(HES_ER_OK) || defined(HESIOD_INTERFACES)
120 # define HESIOD_INIT /* support for the new interface */
121 # endif /* !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) */
125 # include <openssl/ssl.h>
128 # define RSA_KEYLENGTH 1024
129 # else /* _FFR_FIPSMODE */
130 # define RSA_KEYLENGTH 512
131 # endif /* _FFR_FIPSMODE */
132 # endif /* !TLS_NO_RSA */
133 #endif /* STARTTLS */
135 #if SASL /* include the sasl include files if we have them */
138 # if SASL == 2 || SASL >= 20000
139 # include <sasl/sasl.h>
140 # include <sasl/saslutil.h>
141 # else /* SASL == 2 || SASL >= 20000 */
143 # include <saslutil.h>
144 # endif /* SASL == 2 || SASL >= 20000 */
145 # if defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP)
146 # define SASL_VERSION (SASL_VERSION_MAJOR * 10000) + (SASL_VERSION_MINOR * 100) + SASL_VERSION_STEP
147 # if SASL == 1 || SASL == 2
149 # define SASL SASL_VERSION
150 # else /* SASL == 1 || SASL == 2 */
151 # if SASL != SASL_VERSION
152 ERROR README: -DSASL (SASL) does not agree with the version of the CYRUS_SASL library (SASL_VERSION)
153 ERROR README: see README!
154 # endif /* SASL != SASL_VERSION */
155 # endif /* SASL == 1 || SASL == 2 */
156 # else /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
158 ERROR README: please set -DSASL to the version of the CYRUS_SASL library
159 ERROR README: see README!
160 # endif /* SASL == 1 */
161 # endif /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
165 ** Following are "sort of" configuration constants, but they should
166 ** be pretty solid on most architectures today. They have to be
167 ** defined after <arpa/nameser.h> because some versions of that
168 ** file also define them. In all cases, we can't use sizeof because
169 ** some systems (e.g., Crays) always treat everything as being at
174 # define INADDRSZ 4 /* size of an IPv4 address in bytes */
175 #endif /* ! INADDRSZ */
177 # define IN6ADDRSZ 16 /* size of an IPv6 address in bytes */
178 #endif /* ! IN6ADDRSZ */
180 # define INT16SZ 2 /* size of a 16 bit integer in bytes */
181 #endif /* ! INT16SZ */
183 # define INT32SZ 4 /* size of a 32 bit integer in bytes */
184 #endif /* ! INT32SZ */
185 #ifndef INADDR_LOOPBACK
186 # define INADDR_LOOPBACK 0x7f000001 /* loopback address */
187 #endif /* ! INADDR_LOOPBACK */
190 ** Error return from inet_addr(3), in case not defined in /usr/include.
194 # define INADDR_NONE 0xffffffff
195 #endif /* ! INADDR_NONE */
198 /* (f)open() modes for queue files */
199 # define QF_O_EXTRA 0
203 ** An 'argument class' describes the storage allocation status
204 ** of an object pointed to by an argument to a function.
209 A_HEAP, /* the storage was allocated by malloc, and the
210 * ownership of the storage is ceded by the caller
211 * to the called function. */
212 A_TEMP, /* The storage is temporary, and is only guaranteed
213 * to be valid for the duration of the function call. */
214 A_PERM /* The storage is 'permanent': this might mean static
215 * storage, or rpool storage. */
218 /* forward references for prototypes */
219 typedef struct envelope ENVELOPE;
220 typedef struct mailer MAILER;
221 typedef struct queuegrp QUEUEGRP;
224 ** Address structure.
225 ** Addresses are stored internally in this structure.
230 char *q_paddr; /* the printname for the address */
231 char *q_user; /* user name */
232 char *q_ruser; /* real user name, or NULL if q_user */
233 char *q_host; /* host name */
234 struct mailer *q_mailer; /* mailer to use */
235 unsigned long q_flags; /* status flags, see below */
236 uid_t q_uid; /* user-id of receiver (if known) */
237 gid_t q_gid; /* group-id of receiver (if known) */
238 char *q_home; /* home dir (local mailer only) */
239 char *q_fullname; /* full name if known */
240 struct address *q_next; /* chain */
241 struct address *q_alias; /* address this results from */
242 char *q_owner; /* owner of q_alias */
243 struct address *q_tchain; /* temporary use chain */
245 struct address *q_pchain; /* chain for pipelining */
246 #endif /* PIPELINING */
247 char *q_finalrcpt; /* Final-Recipient: DSN header */
248 char *q_orcpt; /* ORCPT parameter from RCPT TO: line */
249 char *q_status; /* status code for DSNs */
250 char *q_rstatus; /* remote status message for DSNs */
251 time_t q_statdate; /* date of status messages */
252 char *q_statmta; /* MTA generating q_rstatus */
253 short q_state; /* address state, see below */
254 char *q_signature; /* MX-based sorting value */
255 int q_qgrp; /* index into queue groups */
256 int q_qdir; /* queue directory inside group */
257 char *q_message; /* error message */
260 typedef struct address ADDRESS;
262 /* bit values for q_flags */
263 #define QGOODUID 0x00000001 /* the q_uid q_gid fields are good */
264 #define QPRIMARY 0x00000002 /* set from RCPT or argv */
265 #define QNOTREMOTE 0x00000004 /* address not for remote forwarding */
266 #define QSELFREF 0x00000008 /* this address references itself */
267 #define QBOGUSSHELL 0x00000010 /* user has no valid shell listed */
268 #define QUNSAFEADDR 0x00000020 /* address acquired via unsafe path */
269 #define QPINGONSUCCESS 0x00000040 /* give return on successful delivery */
270 #define QPINGONFAILURE 0x00000080 /* give return on failure */
271 #define QPINGONDELAY 0x00000100 /* give return on message delay */
272 #define QHASNOTIFY 0x00000200 /* propagate notify parameter */
273 #define QRELAYED 0x00000400 /* DSN: relayed to non-DSN aware sys */
274 #define QEXPANDED 0x00000800 /* DSN: undergone list expansion */
275 #define QDELIVERED 0x00001000 /* DSN: successful final delivery */
276 #define QDELAYED 0x00002000 /* DSN: message delayed */
277 #define QALIAS 0x00004000 /* expanded alias */
278 #define QBYTRACE 0x00008000 /* DeliverBy: trace */
279 #define QBYNDELAY 0x00010000 /* DeliverBy: notify, delay */
280 #define QBYNRELAY 0x00020000 /* DeliverBy: notify, relayed */
281 #define QTHISPASS 0x40000000 /* temp: address set this pass */
282 #define QRCPTOK 0x80000000 /* recipient() processed address */
284 #define Q_PINGFLAGS (QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY)
286 /* values for q_state */
287 #define QS_OK 0 /* address ok (for now)/not yet tried */
288 #define QS_SENT 1 /* good address, delivery complete */
289 #define QS_BADADDR 2 /* illegal address */
290 #define QS_QUEUEUP 3 /* save address in queue */
291 #define QS_RETRY 4 /* retry delivery for next MX */
292 #define QS_VERIFIED 5 /* verified, but not expanded */
295 ** Notice: all of the following values are variations of QS_DONTSEND.
296 ** If new states are added, they must be inserted in the proper place!
297 ** See the macro definition of QS_IS_DEAD() down below.
300 #define QS_DONTSEND 6 /* don't send to this address */
301 #define QS_EXPANDED 7 /* expanded */
302 #define QS_SENDER 8 /* message sender (MeToo) */
303 #define QS_CLONED 9 /* addr cloned to split envelope */
304 #define QS_DISCARDED 10 /* rcpt discarded (EF_DISCARD) */
305 #define QS_REPLACED 11 /* maplocaluser()/UserDB replaced */
306 #define QS_REMOVED 12 /* removed (removefromlist()) */
307 #define QS_DUPLICATE 13 /* duplicate suppressed */
308 #define QS_INCLUDED 14 /* :include: delivery */
309 #define QS_FATALERR 15 /* fatal error, don't deliver */
311 /* address state testing primitives */
312 #define QS_IS_OK(s) ((s) == QS_OK)
313 #define QS_IS_SENT(s) ((s) == QS_SENT)
314 #define QS_IS_BADADDR(s) ((s) == QS_BADADDR)
315 #define QS_IS_QUEUEUP(s) ((s) == QS_QUEUEUP)
316 #define QS_IS_RETRY(s) ((s) == QS_RETRY)
317 #define QS_IS_VERIFIED(s) ((s) == QS_VERIFIED)
318 #define QS_IS_EXPANDED(s) ((s) == QS_EXPANDED)
319 #define QS_IS_REMOVED(s) ((s) == QS_REMOVED)
320 #define QS_IS_UNDELIVERED(s) ((s) == QS_OK || \
321 (s) == QS_QUEUEUP || \
324 #define QS_IS_UNMARKED(s) ((s) == QS_OK || \
326 #define QS_IS_SENDABLE(s) ((s) == QS_OK || \
327 (s) == QS_QUEUEUP || \
329 #define QS_IS_ATTEMPTED(s) ((s) == QS_QUEUEUP || \
333 #define QS_IS_DEAD(s) ((s) >= QS_DONTSEND)
334 #define QS_IS_TEMPFAIL(s) ((s) == QS_QUEUEUP || (s) == QS_RETRY)
336 #define NULLADDR ((ADDRESS *) NULL)
338 extern ADDRESS NullAddress; /* a null (template) address [main.c] */
341 extern void cataddr __P((char **, char **, char *, int, int, bool));
342 extern char *crackaddr __P((char *, ENVELOPE *));
343 extern bool emptyaddr __P((ADDRESS *));
344 extern ADDRESS *getctladdr __P((ADDRESS *));
345 extern int include __P((char *, bool, ADDRESS *, ADDRESS **, int, ENVELOPE *));
346 extern bool invalidaddr __P((char *, char *, bool));
347 extern ADDRESS *parseaddr __P((char *, ADDRESS *, int, int, char **,
349 extern char **prescan __P((char *, int, char[], int, char **, unsigned char *, bool));
350 extern void printaddr __P((SM_FILE_T *, ADDRESS *, bool));
351 extern ADDRESS *recipient __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
352 extern char *remotename __P((char *, MAILER *, int, int *, ENVELOPE *));
353 extern int rewrite __P((char **, int, int, ENVELOPE *, int));
354 extern bool sameaddr __P((ADDRESS *, ADDRESS *));
355 extern int sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *));
357 extern int removefromlist __P((char *, ADDRESS **, ENVELOPE *));
359 extern void setsender __P((char *, ENVELOPE *, char **, int, bool));
360 typedef void esmtp_args_F __P((ADDRESS *, char *, char *, ENVELOPE *));
361 extern void parse_esmtp_args __P((ENVELOPE *, ADDRESS *, char *, char *,
362 char *, char *args[], esmtp_args_F));
363 extern esmtp_args_F mail_esmtp_args;
364 extern esmtp_args_F rcpt_esmtp_args;
365 extern void reset_mail_esmtp_args __P((ENVELOPE *));
367 /* macro to simplify the common call to rewrite() */
368 #define REWRITE(pvp, rs, env) rewrite(pvp, rs, 0, env, MAXATOM)
371 ** Token Tables for prescan
374 extern unsigned char ExtTokenTab[256]; /* external strings */
375 extern unsigned char IntTokenTab[256]; /* internal strings */
379 ** Mailer definition structure.
380 ** Every mailer known to the system is declared in this
381 ** structure. It defines the pathname of the mailer, some
382 ** flags associated with it, and the argument vector to
383 ** pass to it. The flags are defined in conf.c
385 ** The argument vector is expanded before actual use. All
386 ** words except the first are passed through the macro
392 char *m_name; /* symbolic name of this mailer */
393 char *m_mailer; /* pathname of the mailer to use */
394 char *m_mtatype; /* type of this MTA */
395 char *m_addrtype; /* type for addresses */
396 char *m_diagtype; /* type for diagnostics */
397 BITMAP256 m_flags; /* status flags, see below */
398 short m_mno; /* mailer number internally */
399 short m_nice; /* niceness to run at (mostly for prog) */
400 char **m_argv; /* template argument vector */
401 short m_sh_rwset; /* rewrite set: sender header addresses */
402 short m_se_rwset; /* rewrite set: sender envelope addresses */
403 short m_rh_rwset; /* rewrite set: recipient header addresses */
404 short m_re_rwset; /* rewrite set: recipient envelope addresses */
405 char *m_eol; /* end of line string */
406 long m_maxsize; /* size limit on message to this mailer */
407 int m_linelimit; /* max # characters per line */
408 int m_maxdeliveries; /* max deliveries per mailer connection */
409 char *m_execdir; /* directory to chdir to before execv */
410 char *m_rootdir; /* directory to chroot to before execv */
411 uid_t m_uid; /* UID to run as */
412 gid_t m_gid; /* GID to run as */
413 char *m_defcharset; /* default character set */
414 time_t m_wait; /* timeout to wait for end */
415 int m_maxrcpt; /* max recipients per envelope client-side */
416 short m_qgrp; /* queue group for this mailer */
419 /* bits for m_flags */
420 #define M_ESMTP 'a' /* run Extended SMTP */
421 #define M_ALIASABLE 'A' /* user can be LHS of an alias */
422 #define M_BLANKEND 'b' /* ensure blank line at end of message */
423 #define M_STRIPBACKSL 'B' /* strip all leading backslashes from user */
424 #define M_NOCOMMENT 'c' /* don't include comment part of address */
425 #define M_CANONICAL 'C' /* make addresses canonical "u@dom" */
426 #define M_NOBRACKET 'd' /* never angle bracket envelope route-addrs */
427 /* 'D' CF: include Date: */
428 #define M_EXPENSIVE 'e' /* it costs to use this mailer.... */
429 #define M_ESCFROM 'E' /* escape From lines to >From */
430 #define M_FOPT 'f' /* mailer takes picky -f flag */
431 /* 'F' CF: include From: or Resent-From: */
432 #define M_NO_NULL_FROM 'g' /* sender of errors should be $g */
433 #define M_HST_UPPER 'h' /* preserve host case distinction */
434 #define M_PREHEAD 'H' /* MAIL11V3: preview headers */
435 #define M_UDBENVELOPE 'i' /* do udbsender rewriting on envelope */
436 #define M_INTERNAL 'I' /* SMTP to another sendmail site */
437 #define M_UDBRECIPIENT 'j' /* do udbsender rewriting on recipient lines */
438 #define M_NOLOOPCHECK 'k' /* don't check for loops in HELO command */
439 #define M_CHUNKING 'K' /* CHUNKING: reserved for future use */
440 #define M_LOCALMAILER 'l' /* delivery is to this host */
441 #define M_LIMITS 'L' /* must enforce SMTP line limits */
442 #define M_MUSER 'm' /* can handle multiple users at once */
443 /* 'M' CF: include Message-Id: */
444 #define M_NHDR 'n' /* don't insert From line */
445 #define M_MANYSTATUS 'N' /* MAIL11V3: DATA returns multi-status */
446 #define M_RUNASRCPT 'o' /* always run mailer as recipient */
447 #define M_FROMPATH 'p' /* use reverse-path in MAIL FROM: */
448 /* 'P' CF: include Return-Path: */
449 #define M_VRFY250 'q' /* VRFY command returns 250 instead of 252 */
450 #define M_ROPT 'r' /* mailer takes picky -r flag */
451 #define M_SECURE_PORT 'R' /* try to send on a reserved TCP port */
452 #define M_STRIPQ 's' /* strip quote chars from user/host */
453 #define M_SPECIFIC_UID 'S' /* run as specific uid/gid */
454 #define M_USR_UPPER 'u' /* preserve user case distinction */
455 #define M_UGLYUUCP 'U' /* this wants an ugly UUCP from line */
456 #define M_CONTENT_LEN 'v' /* add Content-Length: header (SVr4) */
457 /* 'V' UIUC: !-relativize all addresses */
458 #define M_HASPWENT 'w' /* check for /etc/passwd entry */
459 #define M_NOHOSTSTAT 'W' /* ignore long term host status information */
460 /* 'x' CF: include Full-Name: */
461 #define M_XDOT 'X' /* use hidden-dot algorithm */
462 #define M_LMTP 'z' /* run Local Mail Transport Protocol */
463 #define M_DIALDELAY 'Z' /* apply dial delay sleeptime */
464 #define M_NOMX '0' /* turn off MX lookups */
465 #define M_NONULLS '1' /* don't send null bytes */
466 #define M_FSMTP '2' /* force SMTP (no ESMTP even if offered) */
467 #define M_EBCDIC '3' /* extend Q-P encoding for EBCDIC */
468 #define M_TRYRULESET5 '5' /* use ruleset 5 after local aliasing */
469 #define M_7BITHDRS '6' /* strip headers to 7 bits even in 8 bit path */
470 #define M_7BITS '7' /* use 7-bit path */
471 #define M_8BITS '8' /* force "just send 8" behaviour */
472 #define M_MAKE8BIT '9' /* convert 7 -> 8 bit if appropriate */
473 #define M_CHECKINCLUDE ':' /* check for :include: files */
474 #define M_CHECKPROG '|' /* check for |program addresses */
475 #define M_CHECKFILE '/' /* check for /file addresses */
476 #define M_CHECKUDB '@' /* user can be user database key */
477 #define M_CHECKHDIR '~' /* SGI: check for valid home directory */
478 #define M_HOLD '%' /* Hold delivery until ETRN/-qI/-qR/-qS */
479 #define M_PLUS '+' /* Reserved: Used in mc for adding new flags */
480 #define M_MINUS '-' /* Reserved: Used in mc for removing flags */
483 extern void initerrmailers __P((void));
484 extern void makemailer __P((char *));
485 extern void makequeue __P((char *, bool));
486 extern void runqueueevent __P((int));
487 #if _FFR_QUEUE_RUN_PARANOIA
488 extern bool checkqueuerunner __P((void));
489 #endif /* _FFR_QUEUE_RUN_PARANOIA */
491 EXTERN MAILER *FileMailer; /* ptr to *file* mailer */
492 EXTERN MAILER *InclMailer; /* ptr to *include* mailer */
493 EXTERN MAILER *LocalMailer; /* ptr to local mailer */
494 EXTERN MAILER *ProgMailer; /* ptr to program mailer */
495 EXTERN MAILER *Mailer[MAXMAILERS + 1];
498 ** Queue group definition structure.
499 ** Every queue group known to the system is declared in this structure.
500 ** It defines the basic pathname of the queue group, some flags
501 ** associated with it, and the argument vector to pass to it.
506 char *qp_name; /* name of queue dir, relative path */
507 short qp_subdirs; /* use subdirs? */
508 short qp_fsysidx; /* file system index of this directory */
510 int qp_idx; /* index into array for queue information */
511 # endif /* SM_CONF_SHM */
514 typedef struct qpaths_s QPATHS;
518 char *qg_name; /* symbolic name of this queue group */
521 ** For now this is the same across all queue groups.
522 ** Otherwise we have to play around with chdir().
525 char *qg_qdir; /* common component of queue directory */
526 short qg_index; /* queue number internally, index in Queue[] */
527 int qg_maxqrun; /* max # of jobs in 1 queuerun */
528 int qg_numqueues; /* number of queues in this queue */
531 ** qg_queueintvl == 0 denotes that no individual value is used.
532 ** Whatever accesses this must deal with "<= 0" as
533 ** "not set, use appropriate default".
536 time_t qg_queueintvl; /* interval for queue runs */
537 QPATHS *qg_qpaths; /* list of queue directories */
538 BITMAP256 qg_flags; /* status flags, see below */
539 short qg_nice; /* niceness for queue run */
540 int qg_wgrp; /* Assigned to this work group */
541 int qg_maxlist; /* max items in work queue for this group */
542 int qg_curnum; /* current number of queue for queue runs */
543 int qg_maxrcpt; /* max recipients per envelope, 0==no limit */
545 time_t qg_nextrun; /* time for next queue runs */
546 #if _FFR_QUEUE_GROUP_SORTORDER
547 short qg_sortorder; /* how do we sort this queuerun */
548 #endif /* _FFR_QUEUE_GROUP_SORTORDER */
550 long qg_wkrcptfact; /* multiplier for # recipients -> priority */
551 long qg_qfactor; /* slope of queue function */
552 bool qg_doqueuerun; /* XXX flag is it time to do a queuerun */
556 /* bits for qg_flags (XXX: unused as of now) */
557 #define QD_DEFINED ((char) 1) /* queue group has been defined */
558 #define QD_FORK 'f' /* fork queue runs */
560 extern void filesys_update __P((void));
562 extern bool filesys_free __P((long));
563 #endif /* _FFR_ANY_FREE_FS */
570 /* lines in authinfo file or index into SASL_AI_T */
571 # define SASL_WRONG (-1)
572 # define SASL_USER 0 /* authorization id (user) */
573 # define SASL_AUTHID 1 /* authentication id */
574 # define SASL_PASSWORD 2 /* password fuer authid */
575 # define SASL_DEFREALM 3 /* realm to use */
576 # define SASL_MECHLIST 4 /* list of mechanisms to try */
577 # define SASL_ID_REALM 5 /* authid@defrealm */
580 ** Current mechanism; this is just used to convey information between
581 ** invocation of SASL callback functions.
582 ** It must be last in the list, because it's not allocated by us
583 ** and hence we don't free() it.
586 # define SASL_ENTRIES 7 /* number of entries in array */
588 # define SASL_USER_BIT (1 << SASL_USER)
589 # define SASL_AUTHID_BIT (1 << SASL_AUTHID)
590 # define SASL_PASSWORD_BIT (1 << SASL_PASSWORD)
591 # define SASL_DEFREALM_BIT (1 << SASL_DEFREALM)
592 # define SASL_MECHLIST_BIT (1 << SASL_MECHLIST)
595 # define SASL_NOT_AUTH 0 /* not authenticated */
596 # define SASL_PROC_AUTH 1 /* in process of authenticating */
597 # define SASL_IS_AUTH 2 /* authenticated */
600 # define SASL_AUTH_AUTH 0x1000 /* use auth= only if authenticated */
602 # define SASL_SEC_MASK SASL_SEC_MAXIMUM /* mask for SASL_SEC_* values: sasl.h */
603 # else /* SASL >= 20101 */
604 # define SASL_SEC_MASK 0x0fff /* mask for SASL_SEC_* values: sasl.h */
605 # if (SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 || \
606 (SASL_SEC_NOACTIVE & SASL_SEC_MASK) == 0 || \
607 (SASL_SEC_NODICTIONARY & SASL_SEC_MASK) == 0 || \
608 (SASL_SEC_FORWARD_SECRECY & SASL_SEC_MASK) == 0 || \
609 (SASL_SEC_NOANONYMOUS & SASL_SEC_MASK) == 0 || \
610 (SASL_SEC_PASS_CREDENTIALS & SASL_SEC_MASK) == 0
611 ERROR: change SASL_SEC_MASK_ notify sendmail.org!
612 # endif /* SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 ... */
613 # endif /* SASL >= 20101 */
614 # define MAXOUTLEN 8192 /* length of output buffer, should be 2^n */
617 extern char *intersect __P((char *, char *, SM_RPOOL_T *));
618 extern char *iteminlist __P((char *, char *, char *));
620 extern int proxy_policy __P((sasl_conn_t *, void *, const char *, unsigned, const char *, unsigned, const char *, unsigned, struct propctx *));
621 extern int safesaslfile __P((void *, const char *, sasl_verify_type_t));
622 # else /* SASL >= 20000 */
623 extern int proxy_policy __P((void *, const char *, const char *, const char **, const char **));
625 extern int safesaslfile __P((void *, char *, int));
626 # else /* SASL > 10515 */
627 extern int safesaslfile __P((void *, char *));
628 # endif /* SASL > 10515 */
629 # endif /* SASL >= 20000 */
630 extern void stop_sasl_client __P((void));
632 /* structure to store authinfo */
633 typedef char *SASL_AI_T[SASL_ENTRIES];
635 EXTERN char *AuthMechanisms; /* AUTH mechanisms */
636 EXTERN char *AuthRealm; /* AUTH realm */
637 EXTERN char *SASLInfo; /* file with AUTH info */
638 EXTERN int SASLOpts; /* options for SASL */
639 EXTERN int MaxSLBits; /* max. encryption bits for SASL */
643 ** Structure to store macros.
647 SM_RPOOL_T *mac_rpool; /* resource pool */
648 BITMAP256 mac_allocated; /* storage has been alloc()? */
649 char *mac_table[MAXMACROID + 1]; /* macros */
652 EXTERN MACROS_T GlobalMacros;
655 ** Information about currently open connections to mailers, or to
656 ** hosts that we have looked up recently.
659 #define MCI struct mailer_con_info
663 unsigned long mci_flags; /* flag bits, see below */
664 short mci_errno; /* error number on last connection */
665 short mci_herrno; /* h_errno from last DNS lookup */
666 short mci_exitstat; /* exit status from last connection */
667 short mci_state; /* SMTP state */
668 int mci_deliveries; /* delivery attempts for connection */
669 long mci_maxsize; /* max size this server will accept */
670 SM_FILE_T *mci_in; /* input side of connection */
671 SM_FILE_T *mci_out; /* output side of connection */
672 pid_t mci_pid; /* process id of subordinate proc */
673 char *mci_phase; /* SMTP phase string */
674 struct mailer *mci_mailer; /* ptr to the mailer for this conn */
675 char *mci_host; /* host name */
676 char *mci_status; /* DSN status to be copied to addrs */
677 char *mci_rstatus; /* SMTP status to be copied to addrs */
678 time_t mci_lastuse; /* last usage time */
679 SM_FILE_T *mci_statfile; /* long term status file */
680 char *mci_heloname; /* name to use as HELO arg */
681 long mci_min_by; /* minimum DELIVERBY */
682 bool mci_retryrcpt; /* tempfail for at least one rcpt */
683 char *mci_tolist; /* list of valid recipients */
684 SM_RPOOL_T *mci_rpool; /* resource pool */
686 int mci_okrcpts; /* number of valid recipients */
687 ADDRESS *mci_nextaddr; /* next address for pipelined status */
688 #endif /* PIPELINING */
690 SASL_AI_T mci_sai; /* authentication info */
691 bool mci_sasl_auth; /* authenticated? */
692 int mci_sasl_string_len;
693 char *mci_sasl_string; /* sasl reply string */
694 char *mci_saslcap; /* SASL list of mechanisms */
695 sasl_conn_t *mci_conn; /* SASL connection */
698 SSL *mci_ssl; /* SSL connection */
699 #endif /* STARTTLS */
700 MACROS_T mci_macro; /* macro definitions */
705 #define MCIF_VALID 0x00000001 /* this entry is valid */
706 /* 0x00000002 unused, was MCIF_TEMP */
707 #define MCIF_CACHED 0x00000004 /* currently in open cache */
708 #define MCIF_ESMTP 0x00000008 /* this host speaks ESMTP */
709 #define MCIF_EXPN 0x00000010 /* EXPN command supported */
710 #define MCIF_SIZE 0x00000020 /* SIZE option supported */
711 #define MCIF_8BITMIME 0x00000040 /* BODY=8BITMIME supported */
712 #define MCIF_7BIT 0x00000080 /* strip this message to 7 bits */
713 /* 0x00000100 unused, was MCIF_MULTSTAT: MAIL11V3: handles MULT status */
714 #define MCIF_INHEADER 0x00000200 /* currently outputing header */
715 #define MCIF_CVT8TO7 0x00000400 /* convert from 8 to 7 bits */
716 #define MCIF_DSN 0x00000800 /* DSN extension supported */
717 #define MCIF_8BITOK 0x00001000 /* OK to send 8 bit characters */
718 #define MCIF_CVT7TO8 0x00002000 /* convert from 7 to 8 bits */
719 #define MCIF_INMIME 0x00004000 /* currently reading MIME header */
720 #define MCIF_AUTH 0x00008000 /* AUTH= supported */
721 #define MCIF_AUTHACT 0x00010000 /* SASL (AUTH) active */
722 #define MCIF_ENHSTAT 0x00020000 /* ENHANCEDSTATUSCODES supported */
723 #define MCIF_PIPELINED 0x00040000 /* PIPELINING supported */
724 #define MCIF_VERB 0x00080000 /* VERB supported */
726 #define MCIF_TLS 0x00100000 /* STARTTLS supported */
727 #define MCIF_TLSACT 0x00200000 /* STARTTLS active */
730 #define MCIF_TLSACT 0
731 #endif /* STARTTLS */
732 #define MCIF_DLVR_BY 0x00400000 /* DELIVERBY */
733 #if _FFR_IGNORE_EXT_ON_HELO
734 # define MCIF_HELO 0x00800000 /* we used HELO: ignore extensions */
735 #endif /* _FFR_IGNORE_EXT_ON_HELO */
736 #define MCIF_INLONGLINE 0x01000000 /* in the middle of a long line */
737 #define MCIF_AUTH2 0x02000000 /* got 2 AUTH lines */
738 #define MCIF_ONLY_EHLO 0x10000000 /* use only EHLO in smtpinit */
740 #define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS | MCIF_AUTH2)
743 #define MCIS_CLOSED 0 /* no traffic on this connection */
744 #define MCIS_OPENING 1 /* sending initial protocol */
745 #define MCIS_OPEN 2 /* open, initial protocol sent */
746 #define MCIS_MAIL 3 /* MAIL command sent */
747 #define MCIS_RCPT 4 /* RCPT commands being sent */
748 #define MCIS_DATA 5 /* DATA command sent */
749 #define MCIS_QUITING 6 /* running quit protocol */
750 #define MCIS_SSD 7 /* service shutting down */
751 #define MCIS_ERROR 8 /* I/O error on connection */
754 extern void mci_cache __P((MCI *));
755 extern void mci_close __P((MCI *, char *where));
756 extern void mci_dump __P((SM_FILE_T *, MCI *, bool));
757 extern void mci_dump_all __P((SM_FILE_T *, bool));
758 extern void mci_flush __P((bool, MCI *));
759 extern void mci_clr_extensions __P((MCI *));
760 extern MCI *mci_get __P((char *, MAILER *));
761 extern int mci_lock_host __P((MCI *));
762 extern bool mci_match __P((char *, MAILER *));
763 extern int mci_print_persistent __P((char *, char *));
764 extern int mci_purge_persistent __P((char *, char *));
765 extern MCI **mci_scan __P((MCI *));
766 extern void mci_setstat __P((MCI *, int, char *, char *));
767 extern void mci_store_persistent __P((MCI *));
768 extern int mci_traverse_persistent __P((int (*)(char *, char *), char *));
769 extern void mci_unlock_host __P((MCI *));
771 EXTERN int MaxMciCache; /* maximum entries in MCI cache */
772 EXTERN time_t MciCacheTimeout; /* maximum idle time on connections */
773 EXTERN time_t MciInfoTimeout; /* how long 'til we retry down hosts */
777 ** This structure is used internally to store header items.
782 char *h_field; /* the name of the field */
783 char *h_value; /* the value of that field */
784 struct header *h_link; /* the next header */
785 unsigned char h_macro; /* include header if macro defined */
786 unsigned long h_flags; /* status bits, see below */
787 BITMAP256 h_mflags; /* m_flags bits needed */
790 typedef struct header HDR;
793 ** Header information structure.
794 ** Defined in conf.c, this struct declares the header fields
795 ** that have some magic meaning.
800 char *hi_field; /* the name of the field */
801 unsigned long hi_flags; /* status bits, see below */
802 char *hi_ruleset; /* validity check ruleset */
805 extern struct hdrinfo HdrInfo[];
807 /* bits for h_flags and hi_flags */
808 #define H_EOH 0x00000001 /* field terminates header */
809 #define H_RCPT 0x00000002 /* contains recipient addresses */
810 #define H_DEFAULT 0x00000004 /* if another value is found, drop this */
811 #define H_RESENT 0x00000008 /* this address is a "Resent-..." address */
812 #define H_CHECK 0x00000010 /* check h_mflags against m_flags */
813 #define H_ACHECK 0x00000020 /* ditto, but always (not just default) */
814 #define H_FORCE 0x00000040 /* force this field, even if default */
815 #define H_TRACE 0x00000080 /* this field contains trace information */
816 #define H_FROM 0x00000100 /* this is a from-type field */
817 #define H_VALID 0x00000200 /* this field has a validated value */
818 #define H_RECEIPTTO 0x00000400 /* field has return receipt info */
819 #define H_ERRORSTO 0x00000800 /* field has error address info */
820 #define H_CTE 0x00001000 /* field is a content-transfer-encoding */
821 #define H_CTYPE 0x00002000 /* this is a content-type field */
822 #define H_BCC 0x00004000 /* Bcc: header: strip value or delete */
823 #define H_ENCODABLE 0x00008000 /* field can be RFC 1522 encoded */
824 #define H_STRIPCOMM 0x00010000 /* header check: strip comments */
825 #define H_BINDLATE 0x00020000 /* only expand macros at deliver */
826 #define H_USER 0x00040000 /* header came from the user/SMTP */
828 /* bits for chompheader() */
829 #define CHHDR_DEF 0x0001 /* default header */
830 #define CHHDR_CHECK 0x0002 /* call ruleset for header */
831 #define CHHDR_USER 0x0004 /* header from user */
832 #define CHHDR_QUEUE 0x0008 /* header from queue file */
835 extern void addheader __P((char *, char *, int, ENVELOPE *, bool));
836 extern unsigned long chompheader __P((char *, int, HDR **, ENVELOPE *));
837 extern bool commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *, int));
838 extern HDR *copyheader __P((HDR *, SM_RPOOL_T *));
839 extern void eatheader __P((ENVELOPE *, bool, bool));
840 extern char *hvalue __P((char *, HDR *));
841 extern void insheader __P((int, char *, char *, int, ENVELOPE *, bool));
842 extern bool isheader __P((char *));
843 extern bool putfromline __P((MCI *, ENVELOPE *));
844 extern void setupheaders __P((void));
847 ** Performance monitoring
850 #define TIMERS struct sm_timers
854 TIMER ti_overall; /* the whole process */
858 #define PUSHTIMER(l, t) { if (tTd(98, l)) pushtimer(&t); }
859 #define POPTIMER(l, t) { if (tTd(98, l)) poptimer(&t); }
862 ** Envelope structure.
863 ** This structure defines the message itself. There is usually
864 ** only one of these -- for the message that we originally read
865 ** and which is our primary interest -- but other envelopes can
866 ** be generated during processing. For example, error messages
867 ** will have their own envelope.
872 HDR *e_header; /* head of header list */
873 long e_msgpriority; /* adjusted priority of this message */
874 time_t e_ctime; /* time message appeared in the queue */
875 char *e_to; /* (list of) target person(s) */
876 ADDRESS e_from; /* the person it is from */
877 char *e_sender; /* e_from.q_paddr w comments stripped */
878 char **e_fromdomain; /* the domain part of the sender */
879 ADDRESS *e_sendqueue; /* list of message recipients */
880 ADDRESS *e_errorqueue; /* the queue for error responses */
883 ** Overflow detection is based on < 0, so don't change this
884 ** to unsigned. We don't use unsigned and == ULONG_MAX because
885 ** some libc's don't have strtoul(), see mail_esmtp_args().
888 long e_msgsize; /* size of the message in bytes */
889 char *e_msgid; /* message id (for logging) */
890 unsigned long e_flags; /* flags, see below */
891 int e_nrcpts; /* number of recipients */
892 short e_class; /* msg class (priority, junk, etc.) */
893 short e_hopcount; /* number of times processed */
894 short e_nsent; /* number of sends since checkpoint */
895 short e_sendmode; /* message send mode */
896 short e_errormode; /* error return mode */
897 short e_timeoutclass; /* message timeout class */
898 bool (*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int));
899 /* function to put header of message */
900 bool (*e_putbody)__P((MCI *, ENVELOPE *, char *));
901 /* function to put body of message */
902 ENVELOPE *e_parent; /* the message this one encloses */
903 ENVELOPE *e_sibling; /* the next envelope of interest */
904 char *e_bodytype; /* type of message body */
905 SM_FILE_T *e_dfp; /* data file */
906 char *e_id; /* code for this entry in queue */
908 char *e_sessid; /* session ID for this envelope */
909 #endif /* _FFR_SESSID */
910 int e_qgrp; /* queue group (index into queues) */
911 int e_qdir; /* index into queue directories */
912 int e_dfqgrp; /* data file queue group index */
913 int e_dfqdir; /* data file queue directory index */
914 int e_xfqgrp; /* queue group (index into queues) */
915 int e_xfqdir; /* index into queue directories (xf) */
916 SM_FILE_T *e_xfp; /* transcript file */
917 SM_FILE_T *e_lockfp; /* the lock file for this message */
918 char *e_message; /* error message; readonly; NULL,
919 * or allocated from e_rpool */
920 char *e_statmsg; /* stat msg (changes per delivery).
921 * readonly. NULL or allocated from
923 char *e_quarmsg; /* why envelope is quarantined */
924 char e_qfletter; /* queue file letter on disk */
925 char *e_msgboundary; /* MIME-style message part boundary */
926 char *e_origrcpt; /* original recipient (one only) */
927 char *e_envid; /* envelope id from MAIL FROM: line */
928 char *e_status; /* DSN status for this message */
929 time_t e_dtime; /* time of last delivery attempt */
930 int e_ntries; /* number of delivery attempts */
931 dev_t e_dfdev; /* data file device (crash recovery) */
932 ino_t e_dfino; /* data file inode (crash recovery) */
933 MACROS_T e_macro; /* macro definitions */
934 MCI *e_mci; /* connection info */
935 char *e_auth_param; /* readonly; NULL or static storage or
936 * allocated from e_rpool */
937 TIMERS e_timers; /* per job timers */
938 long e_deliver_by; /* deliver by */
939 int e_dlvr_flag; /* deliver by flag */
940 SM_RPOOL_T *e_rpool; /* resource pool for this envelope */
941 unsigned int e_features; /* server features */
942 #if _FFR_MILTER_ENHSC
944 char e_enhsc[ENHSC_LEN]; /* enhanced status code */
945 #endif /* _FFR_MILTER_ENHSC */
948 #define PRT_NONNEGL(v) ((v) < 0 ? LONG_MAX : (v))
950 /* values for e_flags */
951 #define EF_OLDSTYLE 0x00000001L /* use spaces (not commas) in hdrs */
952 #define EF_INQUEUE 0x00000002L /* this message is fully queued */
953 #define EF_NO_BODY_RETN 0x00000004L /* omit message body on error */
954 #define EF_CLRQUEUE 0x00000008L /* disk copy is no longer needed */
955 #define EF_SENDRECEIPT 0x00000010L /* send a return receipt */
956 #define EF_FATALERRS 0x00000020L /* fatal errors occurred */
957 #define EF_DELETE_BCC 0x00000040L /* delete Bcc: headers entirely */
958 #define EF_RESPONSE 0x00000080L /* this is an error or return receipt */
959 #define EF_RESENT 0x00000100L /* this message is being forwarded */
960 #define EF_VRFYONLY 0x00000200L /* verify only (don't expand aliases) */
961 #define EF_WARNING 0x00000400L /* warning message has been sent */
962 #define EF_QUEUERUN 0x00000800L /* this envelope is from queue */
963 #define EF_GLOBALERRS 0x00001000L /* treat errors as global */
964 #define EF_PM_NOTIFY 0x00002000L /* send return mail to postmaster */
965 #define EF_METOO 0x00004000L /* send to me too */
966 #define EF_LOGSENDER 0x00008000L /* need to log the sender */
967 #define EF_NORECEIPT 0x00010000L /* suppress all return-receipts */
968 #define EF_HAS8BIT 0x00020000L /* at least one 8-bit char in body */
969 #define EF_NL_NOT_EOL 0x00040000L /* don't accept raw NL as EOLine */
970 #define EF_CRLF_NOT_EOL 0x00080000L /* don't accept CR-LF as EOLine */
971 #define EF_RET_PARAM 0x00100000L /* RCPT command had RET argument */
972 #define EF_HAS_DF 0x00200000L /* set when data file is instantiated */
973 #define EF_IS_MIME 0x00400000L /* really is a MIME message */
974 #define EF_DONT_MIME 0x00800000L /* never MIME this message */
975 #define EF_DISCARD 0x01000000L /* discard the message */
976 #define EF_TOOBIG 0x02000000L /* message is too big */
977 #define EF_SPLIT 0x04000000L /* envelope has been split */
978 #define EF_UNSAFE 0x08000000L /* unsafe: read from untrusted source */
979 #define EF_TOODEEP 0x10000000L /* message is nested too deep */
981 #define DLVR_NOTIFY 0x01
982 #define DLVR_RETURN 0x02
983 #define DLVR_TRACE 0x10
984 #define IS_DLVR_NOTIFY(e) (((e)->e_dlvr_flag & DLVR_NOTIFY) != 0)
985 #define IS_DLVR_RETURN(e) (((e)->e_dlvr_flag & DLVR_RETURN) != 0)
986 #define IS_DLVR_TRACE(e) (((e)->e_dlvr_flag & DLVR_TRACE) != 0)
987 #define IS_DLVR_BY(e) ((e)->e_dlvr_flag != 0)
989 #define BODYTYPE_NONE (0)
990 #define BODYTYPE_7BIT (1)
991 #define BODYTYPE_8BITMIME (2)
992 #define BODYTYPE_ILLEGAL (-1)
993 #define BODYTYPE_VALID(b) ((b) == BODYTYPE_7BIT || (b) == BODYTYPE_8BITMIME)
995 extern ENVELOPE BlankEnvelope;
998 extern void clearenvelope __P((ENVELOPE *, bool, SM_RPOOL_T *));
999 extern int dropenvelope __P((ENVELOPE *, bool, bool));
1000 extern ENVELOPE *newenvelope __P((ENVELOPE *, ENVELOPE *, SM_RPOOL_T *));
1001 extern void clrsessenvelope __P((ENVELOPE *));
1002 extern void printenvflags __P((ENVELOPE *));
1003 extern bool putbody __P((MCI *, ENVELOPE *, char *));
1004 extern bool putheader __P((MCI *, HDR *, ENVELOPE *, int));
1007 ** Message priority classes.
1009 ** The message class is read directly from the Priority: header
1010 ** field in the message.
1012 ** CurEnv->e_msgpriority is the number of bytes in the message plus
1013 ** the creation time (so that jobs ``tend'' to be ordered correctly),
1014 ** adjusted by the message class, the number of recipients, and the
1015 ** amount of time the message has been sitting around. This number
1016 ** is used to order the queue. Higher values mean LOWER priority.
1018 ** Each priority class point is worth WkClassFact priority points;
1019 ** each recipient is worth WkRecipFact priority points. Each time
1020 ** we reprocess a message the priority is adjusted by WkTimeFact.
1021 ** WkTimeFact should normally decrease the priority so that jobs
1022 ** that have historically failed will be run later; thanks go to
1023 ** Jay Lepreau at Utah for pointing out the error in my thinking.
1025 ** The "class" is this number, unadjusted by the age or size of
1026 ** this message. Classes with negative representations will have
1027 ** error messages thrown away if they are not local.
1032 char *pri_name; /* external name of priority */
1033 int pri_val; /* internal value for same */
1036 EXTERN int NumPriorities; /* pointer into Priorities */
1037 EXTERN struct priority Priorities[MAXPRIORITIES];
1045 char **r_lhs; /* pattern match */
1046 char **r_rhs; /* substitution value */
1047 struct rewrite *r_next;/* next in chain */
1048 int r_line; /* rule line in sendmail.cf */
1052 ** Special characters in rewriting rules.
1053 ** These are used internally only.
1054 ** The COND* rules are actually used in macros rather than in
1055 ** rewriting rules, but are given here because they
1059 /* "out of band" indicator */
1060 /* sm/sendmail.h #define METAQUOTE ((unsigned char)0377) quotes the next octet */
1062 /* left hand side items */
1063 #define MATCHZANY ((unsigned char)0220) /* match zero or more tokens */
1064 #define MATCHANY ((unsigned char)0221) /* match one or more tokens */
1065 #define MATCHONE ((unsigned char)0222) /* match exactly one token */
1066 #define MATCHCLASS ((unsigned char)0223) /* match one token in a class */
1067 #define MATCHNCLASS ((unsigned char)0224) /* match tokens not in class */
1069 /* right hand side items */
1070 #define MATCHREPL ((unsigned char)0225) /* RHS replacement for above */
1071 #define CANONNET ((unsigned char)0226) /* canonical net, next token */
1072 #define CANONHOST ((unsigned char)0227) /* canonical host, next token */
1073 #define CANONUSER ((unsigned char)0230) /* canonical user, next N tokens */
1074 #define CALLSUBR ((unsigned char)0231) /* call another rewriting set */
1076 /* conditionals in macros (anywhere) */
1077 #define CONDIF ((unsigned char)0232) /* conditional if-then */
1078 #define CONDELSE ((unsigned char)0233) /* conditional else */
1079 #define CONDFI ((unsigned char)0234) /* conditional fi */
1081 /* bracket characters for RHS host name lookup */
1082 #define HOSTBEGIN ((unsigned char)0235) /* hostname lookup begin */
1083 #define HOSTEND ((unsigned char)0236) /* hostname lookup end */
1085 /* bracket characters for RHS generalized lookup */
1086 #define LOOKUPBEGIN ((unsigned char)0205) /* generalized lookup begin */
1087 #define LOOKUPEND ((unsigned char)0206) /* generalized lookup end */
1089 /* macro substitution characters (anywhere) */
1090 #define MACROEXPAND ((unsigned char)0201) /* macro expansion */
1091 #define MACRODEXPAND ((unsigned char)0202) /* deferred macro expansion */
1093 /* to make the code clearer */
1094 #define MATCHZERO CANONHOST
1096 #define MAXMATCH 9 /* max params per rewrite */
1097 #define MAX_MAP_ARGS 10 /* max arguments for map */
1099 /* external <==> internal mapping table */
1102 char metaname; /* external code (after $) */
1103 unsigned char metaval; /* internal code (as above) */
1106 /* values for macros with external names only */
1107 #define MID_OPMODE 0202 /* operation mode */
1112 macdefine_tagged __P((
1120 # define macdefine(mac,c,id,v) \
1121 macdefine_tagged(mac,c,id,v,__FILE__,__LINE__,sm_heap_group())
1122 #else /* SM_HEAP_CHECK */
1129 # define macdefine_tagged(mac,c,id,v,file,line,grp) macdefine(mac,c,id,v)
1130 #endif /* SM_HEAP_CHECK */
1131 extern void macset __P((MACROS_T *, int, char *));
1132 #define macget(mac, i) (mac)->mac_table[i]
1133 extern void expand __P((char *, char *, size_t, ENVELOPE *));
1134 extern int macid_parse __P((char *, char **));
1135 #define macid(name) macid_parse(name, NULL)
1136 extern char *macname __P((int));
1137 extern char *macvalue __P((int, ENVELOPE *));
1138 extern int rscheck __P((char *, char *, char *, ENVELOPE *, int, int, char *, char *, ADDRESS *));
1139 extern int rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int));
1140 extern void setclass __P((int, char *));
1141 extern int strtorwset __P((char *, char **, int));
1142 extern char *translate_dollars __P((char *, char *, int *));
1143 extern bool wordinclass __P((char *, int));
1146 ** Name canonification short circuit.
1148 ** If the name server for a host is down, the process of trying to
1149 ** canonify the name can hang. This is similar to (but alas, not
1150 ** identical to) looking up the name for delivery. This stab type
1151 ** caches the result of the name server lookup so we don't hang
1155 #define NAMECANON struct _namecanon
1159 short nc_errno; /* cached errno */
1160 short nc_herrno; /* cached h_errno */
1161 short nc_stat; /* cached exit status code */
1162 short nc_flags; /* flag bits */
1163 char *nc_cname; /* the canonical name */
1164 time_t nc_exp; /* entry expires at */
1167 /* values for nc_flags */
1168 #define NCF_VALID 0x0001 /* entry valid */
1170 /* hostsignature structure */
1174 char *hs_sig; /* hostsignature */
1175 time_t hs_exp; /* entry expires at */
1178 typedef struct hostsig_t HOSTSIG_T;
1181 ** The standard udp packet size PACKETSZ (512) is not sufficient for some
1182 ** nameserver answers containing very many resource records. The resolver
1183 ** may switch to tcp and retry if it detects udp packet overflow.
1184 ** Also note that the resolver routines res_query and res_search return
1185 ** the size of the *un*truncated answer in case the supplied answer buffer
1186 ** it not big enough to accommodate the entire answer.
1190 # define MAXPACKET 8192 /* max packet size used internally by BIND */
1191 # endif /* ! MAXPACKET */
1194 ** The resolver functions res_{send,query,querydomain} expect the
1195 ** answer buffer to be aligned, but some versions of gcc4 reverse
1196 ** 25 years of history and no longer align char buffers on the
1197 ** stack, resulting in crashes on strict-alignment platforms. Use
1198 ** this union when putting the buffer on the stack to force the
1199 ** alignment, then cast to (HEADER *) or (unsigned char *) as needed.
1204 unsigned char qb2[MAXPACKET];
1208 extern bool getcanonname __P((char *, int, bool, int *));
1209 extern int getmxrr __P((char *, char **, unsigned short *, bool, int *, bool, int *));
1210 extern char *hostsignature __P((MAILER *, char *));
1211 extern int getfallbackmxrr __P((char *));
1214 ** Mapping functions
1216 ** These allow arbitrary mappings in the config file. The idea
1217 ** (albeit not the implementation) comes from IDA sendmail.
1220 #define MAPCLASS struct _mapclass
1221 #define MAP struct _map
1222 #define MAXMAPACTIONS 5 /* size of map_actions array */
1231 MAPCLASS *map_class; /* the class of this map */
1232 MAPCLASS *map_orgclass; /* the original class of this map */
1233 char *map_mname; /* name of this map */
1234 long map_mflags; /* flags, see below */
1235 char *map_file; /* the (nominal) filename */
1236 ARBPTR_T map_db1; /* the open database ptr */
1237 ARBPTR_T map_db2; /* an "extra" database pointer */
1238 char *map_keycolnm; /* key column name */
1239 char *map_valcolnm; /* value column name */
1240 unsigned char map_keycolno; /* key column number */
1241 unsigned char map_valcolno; /* value column number */
1242 char map_coldelim; /* column delimiter */
1243 char map_spacesub; /* spacesub */
1244 char *map_app; /* to append to successful matches */
1245 char *map_tapp; /* to append to "tempfail" matches */
1246 char *map_domain; /* the (nominal) NIS domain */
1247 char *map_rebuild; /* program to run to do auto-rebuild */
1248 time_t map_mtime; /* last database modification time */
1249 time_t map_timeout; /* timeout for map accesses */
1250 int map_retry; /* # of retries for map accesses */
1251 pid_t map_pid; /* PID of process which opened map */
1252 int map_lockfd; /* auxiliary lock file descriptor */
1253 short map_specificity; /* specificity of aliases */
1254 MAP *map_stack[MAXMAPSTACK]; /* list for stacked maps */
1255 short map_return[MAXMAPACTIONS]; /* return bitmaps for stacked maps */
1259 /* bit values for map_mflags */
1260 #define MF_VALID 0x00000001 /* this entry is valid */
1261 #define MF_INCLNULL 0x00000002 /* include null byte in key */
1262 #define MF_OPTIONAL 0x00000004 /* don't complain if map not found */
1263 #define MF_NOFOLDCASE 0x00000008 /* don't fold case in keys */
1264 #define MF_MATCHONLY 0x00000010 /* don't use the map value */
1265 #define MF_OPEN 0x00000020 /* this entry is open */
1266 #define MF_WRITABLE 0x00000040 /* open for writing */
1267 #define MF_ALIAS 0x00000080 /* this is an alias file */
1268 #define MF_TRY0NULL 0x00000100 /* try with no null byte */
1269 #define MF_TRY1NULL 0x00000200 /* try with the null byte */
1270 #define MF_LOCKED 0x00000400 /* this map is currently locked */
1271 #define MF_ALIASWAIT 0x00000800 /* alias map in aliaswait state */
1272 #define MF_IMPL_HASH 0x00001000 /* implicit: underlying hash database */
1273 #define MF_IMPL_NDBM 0x00002000 /* implicit: underlying NDBM database */
1275 #define MF_APPEND 0x00008000 /* append new entry on rebuild */
1276 #define MF_KEEPQUOTES 0x00010000 /* don't dequote key before lookup */
1277 #define MF_NODEFER 0x00020000 /* don't defer if map lookup fails */
1278 #define MF_REGEX_NOT 0x00040000 /* regular expression negation */
1279 #define MF_DEFER 0x00080000 /* don't lookup map in defer mode */
1280 #define MF_SINGLEMATCH 0x00100000 /* successful only if match one key */
1281 #define MF_SINGLEDN 0x00200000 /* only one match, but multi values */
1282 #define MF_FILECLASS 0x00400000 /* this is a file class map */
1283 #define MF_OPENBOGUS 0x00800000 /* open failed, don't call map_close */
1284 #define MF_CLOSING 0x01000000 /* map is being closed */
1286 #define DYNOPENMAP(map) \
1289 if (!bitset(MF_OPEN, (map)->map_mflags)) \
1291 if (!openmap(map)) \
1297 /* indices for map_actions */
1298 #define MA_NOTFOUND 0 /* member map returned "not found" */
1299 #define MA_UNAVAIL 1 /* member map is not available */
1300 #define MA_TRYAGAIN 2 /* member map returns temp failure */
1302 /* macros to handle MapTempFail */
1303 #define BIT_IS_MTP 0x01 /* temp.failure occurred */
1304 #define BIT_ASK_MTP 0x02 /* do we care about MapTempFail? */
1305 #define RESET_MAPTEMPFAIL MapTempFail = 0
1306 #define INIT_MAPTEMPFAIL MapTempFail = BIT_ASK_MTP
1307 #define SET_MAPTEMPFAIL MapTempFail |= BIT_IS_MTP
1308 #define IS_MAPTEMPFAIL bitset(BIT_IS_MTP, MapTempFail)
1309 #define ASK_MAPTEMPFAIL bitset(BIT_ASK_MTP, MapTempFail)
1312 ** The class of a map -- essentially the functions to call
1317 char *map_cname; /* name of this map class */
1318 char *map_ext; /* extension for database file */
1319 short map_cflags; /* flag bits, see below */
1320 bool (*map_parse)__P((MAP *, char *));
1321 /* argument parsing function */
1322 char *(*map_lookup)__P((MAP *, char *, char **, int *));
1323 /* lookup function */
1324 void (*map_store)__P((MAP *, char *, char *));
1325 /* store function */
1326 bool (*map_open)__P((MAP *, int));
1328 void (*map_close)__P((MAP *));
1329 /* close function */
1332 /* bit values for map_cflags */
1333 #define MCF_ALIASOK 0x0001 /* can be used for aliases */
1334 #define MCF_ALIASONLY 0x0002 /* usable only for aliases */
1335 #define MCF_REBUILDABLE 0x0004 /* can rebuild alias files */
1336 #define MCF_OPTFILE 0x0008 /* file name is optional */
1337 #define MCF_NOTPERSIST 0x0010 /* don't keep map open all the time */
1340 extern void closemaps __P((bool));
1341 extern bool impl_map_open __P((MAP *, int));
1342 extern void initmaps __P((void));
1343 extern MAP *makemapentry __P((char *));
1344 extern void maplocaluser __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
1345 extern char *map_rewrite __P((MAP *, const char *, size_t, char **));
1347 extern char *ni_propval __P((char *, char *, char *, char *, int));
1348 #endif /* NETINFO */
1349 extern bool openmap __P((MAP *));
1350 extern int udbexpand __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
1352 extern void _udbx_close __P((void));
1353 extern char *udbsender __P((char *, SM_RPOOL_T *));
1357 ** LDAP related items
1360 /* struct defining LDAP Auth Methods */
1363 char *lam_name; /* name of LDAP auth method */
1364 int lam_code; /* numeric code */
1367 /* struct defining LDAP Alias Dereferencing */
1370 char *lad_name; /* name of LDAP alias dereferencing method */
1371 int lad_code; /* numeric code */
1374 /* struct defining LDAP Search Scope */
1377 char *lss_name; /* name of LDAP search scope */
1378 int lss_code; /* numeric code */
1382 extern bool ldapmap_parseargs __P((MAP *, char *));
1383 extern void ldapmap_set_defaults __P((char *));
1384 #endif /* LDAPMAP */
1392 # include <phclient.h>
1394 struct ph_map_struct
1396 char *ph_servers; /* list of ph servers */
1397 char *ph_field_list; /* list of fields to search for match */
1398 PH *ph; /* PH server handle */
1399 int ph_fastclose; /* send "quit" command on close */
1400 time_t ph_timeout; /* timeout interval */
1402 typedef struct ph_map_struct PH_MAP_STRUCT;
1407 ** Regular UNIX sockaddrs are too small to handle ISO addresses, so
1408 ** we are forced to declare a supertype here.
1411 #if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25
1414 struct sockaddr sa; /* general version */
1416 struct sockaddr_un sunix; /* UNIX family */
1417 # endif /* NETUNIX */
1419 struct sockaddr_in sin; /* INET family */
1420 # endif /* NETINET */
1422 struct sockaddr_in6 sin6; /* INET/IPv6 */
1423 # endif /* NETINET6 */
1425 struct sockaddr_iso siso; /* ISO family */
1426 # endif /* NETISO */
1428 struct sockaddr_ns sns; /* XNS family */
1431 struct sockaddr_x25 sx25; /* X.25 family */
1432 # endif /* NETX25 */
1435 # define SOCKADDR union bigsockaddr
1438 extern char *anynet_ntoa __P((SOCKADDR *));
1440 extern char *anynet_ntop __P((struct in6_addr *, char *, size_t));
1441 extern int anynet_pton __P((int, const char *, void *));
1442 # endif /* NETINET6 */
1443 extern char *hostnamebyanyaddr __P((SOCKADDR *));
1444 extern char *validate_connection __P((SOCKADDR *, char *, ENVELOPE *));
1446 extern bool iptostring __P((SOCKADDR *, SOCKADDR_LEN_T, char *, unsigned));
1447 # endif /* SASL >= 20000 */
1449 #endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
1452 ** Process List (proclist)
1455 #define NO_PID ((pid_t) 0)
1456 #ifndef PROC_LIST_SEG
1457 # define PROC_LIST_SEG 32 /* number of pids to alloc at a time */
1458 #endif /* ! PROC_LIST_SEG */
1462 #define PROC_DAEMON 1
1463 #define PROC_DAEMON_CHILD 2
1464 #define PROC_QUEUE 3
1465 #define PROC_QUEUE_CHILD 3
1466 #define PROC_CONTROL 4
1467 #define PROC_CONTROL_CHILD 5
1470 extern void proc_list_add __P((pid_t, char *, int, int, int, SOCKADDR *));
1471 extern void proc_list_clear __P((void));
1472 extern void proc_list_display __P((SM_FILE_T *, char *));
1473 extern void proc_list_drop __P((pid_t, int, int *));
1474 extern void proc_list_probe __P((void));
1475 extern void proc_list_set __P((pid_t, char *));
1476 extern void proc_list_signal __P((int, int));
1479 ** Symbol table definitions
1484 char *s_name; /* name to be entered */
1485 short s_symtype; /* general type (see below) */
1486 struct symtab *s_next; /* pointer to next in chain */
1489 BITMAP256 sv_class; /* bit-map of word classes */
1490 MAILER *sv_mailer; /* pointer to mailer */
1491 char *sv_alias; /* alias */
1492 MAPCLASS sv_mapclass; /* mapping function class */
1493 MAP sv_map; /* mapping function */
1494 HOSTSIG_T sv_hostsig; /* host signature */
1495 MCI sv_mci; /* mailer connection info */
1496 NAMECANON sv_namecanon; /* canonical name cache */
1497 int sv_macro; /* macro name => id mapping */
1498 int sv_ruleset; /* ruleset index */
1499 struct hdrinfo sv_header; /* header metainfo */
1500 char *sv_service[MAXMAPSTACK]; /* service switch */
1502 MAP *sv_lmap; /* Maps for LDAP connection */
1503 #endif /* LDAPMAP */
1505 MAP *sv_socketmap; /* Maps for SOCKET connection */
1506 #endif /* SOCKETMAP */
1508 struct milter *sv_milter; /* milter filter name */
1510 QUEUEGRP *sv_queue; /* pointer to queue */
1514 typedef struct symtab STAB;
1517 #define ST_UNDEF 0 /* undefined type */
1518 #define ST_CLASS 1 /* class map */
1519 /* #define ST_unused 2 UNUSED */
1520 #define ST_MAILER 3 /* a mailer header */
1521 #define ST_ALIAS 4 /* an alias */
1522 #define ST_MAPCLASS 5 /* mapping function class */
1523 #define ST_MAP 6 /* mapping function */
1524 #define ST_HOSTSIG 7 /* host signature */
1525 #define ST_NAMECANON 8 /* cached canonical name */
1526 #define ST_MACRO 9 /* macro name to id mapping */
1527 #define ST_RULESET 10 /* ruleset index */
1528 #define ST_SERVICE 11 /* service switch entry */
1529 #define ST_HEADER 12 /* special header flags */
1531 # define ST_LMAP 13 /* List head of maps for LDAP connection */
1532 #endif /* LDAPMAP */
1534 # define ST_MILTER 14 /* milter filter */
1536 #define ST_QUEUE 15 /* a queue entry */
1539 # define ST_SOCKETMAP 16 /* List head of maps for SOCKET connection */
1540 #endif /* SOCKETMAP */
1542 /* This entry must be last */
1543 #define ST_MCI 17 /* mailer connection info (offset) */
1545 #define s_class s_value.sv_class
1546 #define s_mailer s_value.sv_mailer
1547 #define s_alias s_value.sv_alias
1548 #define s_mci s_value.sv_mci
1549 #define s_mapclass s_value.sv_mapclass
1550 #define s_hostsig s_value.sv_hostsig
1551 #define s_map s_value.sv_map
1552 #define s_namecanon s_value.sv_namecanon
1553 #define s_macro s_value.sv_macro
1554 #define s_ruleset s_value.sv_ruleset
1555 #define s_service s_value.sv_service
1556 #define s_header s_value.sv_header
1558 # define s_lmap s_value.sv_lmap
1559 #endif /* LDAPMAP */
1561 # define s_socketmap s_value.sv_socketmap
1562 #endif /* SOCKETMAP */
1564 # define s_milter s_value.sv_milter
1566 #define s_quegrp s_value.sv_queue
1568 /* opcodes to stab */
1569 #define ST_FIND 0 /* find entry */
1570 #define ST_ENTER 1 /* enter if not there */
1573 extern STAB *stab __P((char *, int, int));
1574 extern void stabapply __P((void (*)(STAB *, int), int));
1577 ** Operation, send, error, and MIME modes
1579 ** The operation mode describes the basic operation of sendmail.
1580 ** This can be set from the command line, and is "send mail" by
1583 ** The send mode tells how to send mail. It can be set in the
1584 ** configuration file. Its setting determines how quickly the
1585 ** mail will be delivered versus the load on your system. If the
1586 ** -v (verbose) flag is given, it will be forced to SM_DELIVER
1589 ** The error mode tells how to return errors.
1592 #define MD_DELIVER 'm' /* be a mail sender */
1593 #define MD_SMTP 's' /* run SMTP on standard input */
1594 #define MD_ARPAFTP 'a' /* obsolete ARPANET mode (Grey Book) */
1595 #define MD_DAEMON 'd' /* run as a daemon */
1596 #define MD_FGDAEMON 'D' /* run daemon in foreground */
1597 #define MD_LOCAL 'l' /* like daemon, but localhost only */
1598 #define MD_VERIFY 'v' /* verify: don't collect or deliver */
1599 #define MD_TEST 't' /* test mode: resolve addrs only */
1600 #define MD_INITALIAS 'i' /* initialize alias database */
1601 #define MD_PRINT 'p' /* print the queue */
1602 #define MD_PRINTNQE 'P' /* print number of entries in queue */
1603 #define MD_FREEZE 'z' /* freeze the configuration file */
1604 #define MD_HOSTSTAT 'h' /* print persistent host stat info */
1605 #define MD_PURGESTAT 'H' /* purge persistent host stat info */
1606 #define MD_QUEUERUN 'q' /* queue run */
1607 #define MD_CHECKCONFIG 'C' /* check configuration file */
1609 #if _FFR_LOCAL_DAEMON
1610 EXTERN bool LocalDaemon;
1612 EXTERN bool V6LoopbackAddrFound; /* found an IPv6 loopback address */
1613 # define SETV6LOOPBACKADDRFOUND(sa) \
1616 if (isloopback(sa)) \
1617 V6LoopbackAddrFound = true; \
1619 # endif /* NETINET6 */
1620 #else /* _FFR_LOCAL_DAEMON */
1621 # define LocalDaemon false
1622 # define V6LoopbackAddrFound false
1623 # define SETV6LOOPBACKADDRFOUND(sa)
1624 #endif /* _FFR_LOCAL_DAEMON */
1626 /* Note: see also include/sendmail/pathnames.h: GET_CLIENT_CF */
1628 /* values for e_sendmode -- send modes */
1629 #define SM_DELIVER 'i' /* interactive delivery */
1630 #define SM_FORK 'b' /* deliver in background */
1632 #define SM_DM_ONE 'o' /* deliver first TA in background, then queue */
1633 #endif /* _FFR_DM_ONE */
1634 #define SM_QUEUE 'q' /* queue, don't deliver */
1635 #define SM_DEFER 'd' /* defer map lookups as well as queue */
1636 #define SM_VERIFY 'v' /* verify only (used internally) */
1637 #define DM_NOTSET (-1) /* DeliveryMode (per daemon) option not set */
1638 # define SM_IS_INTERACTIVE(m) ((m) == SM_DELIVER)
1640 #define WILL_BE_QUEUED(m) ((m) == SM_QUEUE || (m) == SM_DEFER)
1642 /* used only as a parameter to sendall */
1643 #define SM_DEFAULT '\0' /* unspecified, use SendMode */
1646 extern void set_delivery_mode __P((int, ENVELOPE *));
1648 /* values for e_errormode -- error handling modes */
1649 #define EM_PRINT 'p' /* print errors */
1650 #define EM_MAIL 'm' /* mail back errors */
1651 #define EM_WRITE 'w' /* write back errors */
1652 #define EM_BERKNET 'e' /* special berknet processing */
1653 #define EM_QUIET 'q' /* don't print messages (stat only) */
1656 /* bit values for MimeMode */
1657 #define MM_CVTMIME 0x0001 /* convert 8 to 7 bit MIME */
1658 #define MM_PASS8BIT 0x0002 /* just send 8 bit data blind */
1659 #define MM_MIME8BIT 0x0004 /* convert 8-bit data to MIME */
1662 /* how to handle messages without any recipient addresses */
1663 #define NRA_NO_ACTION 0 /* just leave it as is */
1664 #define NRA_ADD_TO 1 /* add To: header */
1665 #define NRA_ADD_APPARENTLY_TO 2 /* add Apparently-To: header */
1666 #define NRA_ADD_BCC 3 /* add empty Bcc: header */
1667 #define NRA_ADD_TO_UNDISCLOSED 4 /* add To: undisclosed:; header */
1670 /* flags to putxline */
1671 #define PXLF_NOTHINGSPECIAL 0 /* no special mapping */
1672 #define PXLF_MAPFROM 0x0001 /* map From_ to >From_ */
1673 #define PXLF_STRIP8BIT 0x0002 /* strip 8th bit */
1674 #define PXLF_HEADER 0x0004 /* map newlines in headers */
1675 #define PXLF_NOADDEOL 0x0008 /* if EOL not present, don't add one */
1676 #define PXLF_STRIPMQUOTE 0x0010 /* strip METAQUOTEs */
1680 ** These are bit values for the PrivacyFlags word.
1683 #define PRIV_PUBLIC 0 /* what have I got to hide? */
1684 #define PRIV_NEEDMAILHELO 0x00000001 /* insist on HELO for MAIL */
1685 #define PRIV_NEEDEXPNHELO 0x00000002 /* insist on HELO for EXPN */
1686 #define PRIV_NEEDVRFYHELO 0x00000004 /* insist on HELO for VRFY */
1687 #define PRIV_NOEXPN 0x00000008 /* disallow EXPN command */
1688 #define PRIV_NOVRFY 0x00000010 /* disallow VRFY command */
1689 #define PRIV_AUTHWARNINGS 0x00000020 /* flag possible auth probs */
1690 #define PRIV_NOVERB 0x00000040 /* disallow VERB command */
1691 #define PRIV_RESTRICTMAILQ 0x00010000 /* restrict mailq command */
1692 #define PRIV_RESTRICTQRUN 0x00020000 /* restrict queue run */
1693 #define PRIV_RESTRICTEXPAND 0x00040000 /* restrict alias/forward expansion */
1694 #define PRIV_NOETRN 0x00080000 /* disallow ETRN command */
1695 #define PRIV_NOBODYRETN 0x00100000 /* do not return bodies on bounces */
1696 #define PRIV_NORECEIPTS 0x00200000 /* disallow return receipts */
1697 #define PRIV_NOACTUALRECIPIENT 0x00400000 /* no X-Actual-Recipient in DSNs */
1699 /* don't give no info, anyway, anyhow (in the main SMTP transaction) */
1700 #define PRIV_GOAWAY 0x0000ffff
1702 /* struct defining such things */
1705 char *pv_name; /* name of privacy flag */
1706 unsigned long pv_flag; /* numeric level */
1709 EXTERN unsigned long PrivacyFlags; /* privacy flags */
1713 ** Flags passed to remotename, parseaddr, allocaddr, and buildaddr.
1716 #define RF_SENDERADDR 0x001 /* this is a sender address */
1717 #define RF_HEADERADDR 0x002 /* this is a header address */
1718 #define RF_CANONICAL 0x004 /* strip comment information */
1719 #define RF_ADDDOMAIN 0x008 /* OK to do domain extension */
1720 #define RF_COPYPARSE 0x010 /* copy parsed user & host */
1721 #define RF_COPYPADDR 0x020 /* copy print address */
1722 #define RF_COPYALL (RF_COPYPARSE|RF_COPYPADDR)
1723 #define RF_COPYNONE 0
1724 #define RF_RM_ADDR 0x040 /* address to be removed */
1727 ** Flags passed to rscheck
1730 #define RSF_RMCOMM 0x0001 /* strip comments */
1731 #define RSF_UNSTRUCTURED 0x0002 /* unstructured, ignore syntax errors */
1732 #define RSF_COUNT 0x0004 /* count rejections (statistics)? */
1735 ** Flags passed to mime8to7 and putheader.
1738 #define M87F_OUTER 0 /* outer context */
1739 #define M87F_NO8BIT 0x0001 /* can't have 8-bit in this section */
1740 #define M87F_DIGEST 0x0002 /* processing multipart/digest */
1741 #define M87F_NO8TO7 0x0004 /* don't do 8->7 bit conversions */
1744 extern bool mime7to8 __P((MCI *, HDR *, ENVELOPE *));
1745 extern int mime8to7 __P((MCI *, HDR *, ENVELOPE *, char **, int, int));
1748 ** Flags passed to returntosender.
1751 #define RTSF_NO_BODY 0 /* send headers only */
1752 #define RTSF_SEND_BODY 0x0001 /* include body of message in return */
1753 #define RTSF_PM_BOUNCE 0x0002 /* this is a postmaster bounce */
1756 extern int returntosender __P((char *, ADDRESS *, int, ENVELOPE *));
1759 ** Mail Filters (milter)
1763 ** 32-bit type used by milter
1764 ** (needed by libmilter even if MILTER isn't defined)
1767 typedef SM_INT32 mi_int32;
1770 # define SMFTO_WRITE 0 /* Timeout for sending information */
1771 # define SMFTO_READ 1 /* Timeout waiting for a response */
1772 # define SMFTO_EOM 2 /* Timeout for ACK/NAK to EOM */
1773 # define SMFTO_CONNECT 3 /* Timeout for connect() */
1775 # define SMFTO_NUM_TO 4 /* Total number of timeouts */
1779 char *mf_name; /* filter name */
1780 BITMAP256 mf_flags; /* MTA flags */
1781 mi_int32 mf_fvers; /* filter version */
1782 mi_int32 mf_fflags; /* filter flags */
1783 mi_int32 mf_pflags; /* protocol flags */
1784 char *mf_conn; /* connection info */
1785 int mf_sock; /* connected socket */
1786 char mf_state; /* state of filter */
1787 char mf_lflags; /* "local" flags */
1788 int mf_idx; /* milter number (index) */
1789 time_t mf_timeout[SMFTO_NUM_TO]; /* timeouts */
1790 #if _FFR_MILTER_CHECK
1791 /* for testing only */
1792 mi_int32 mf_mta_prot_version;
1793 mi_int32 mf_mta_prot_flags;
1794 mi_int32 mf_mta_actions;
1795 #endif /* _FFR_MILTER_CHECK */
1798 #define MI_LFL_NONE 0x00000000
1799 #define MI_LFLAGS_SYM(st) (1 << (st)) /* has its own symlist for stage st */
1803 mi_int32 mis_flags; /* filter flags */
1805 typedef struct milters milters_T;
1807 #define MIS_FL_NONE 0x00000000 /* no requirements... */
1808 #define MIS_FL_DEL_RCPT 0x00000001 /* can delete rcpt */
1809 #define MIS_FL_REJ_RCPT 0x00000002 /* can reject rcpt */
1813 # define SMF_REJECT 'R' /* Reject connection on filter fail */
1814 # define SMF_TEMPFAIL 'T' /* tempfail connection on failure */
1815 # define SMF_TEMPDROP '4' /* 421 connection on failure */
1817 EXTERN struct milter *InputFilters[MAXFILTERS];
1818 EXTERN char *InputFilterList;
1819 EXTERN int MilterLogLevel;
1822 extern void setup_daemon_milters __P((void));
1828 ** Vendors can customize sendmail to add special behaviour,
1829 ** generally for back compatibility. Ideally, this should
1830 ** be set up in the .cf file using the "V" command. However,
1831 ** it's quite reasonable for some vendors to want the default
1832 ** be their old version; this can be set using
1833 ** -DVENDOR_DEFAULT=VENDOR_xxx
1836 ** Vendors should apply to sendmail@sendmail.org for
1837 ** unique vendor codes.
1840 #define VENDOR_BERKELEY 1 /* Berkeley-native configuration file */
1841 #define VENDOR_SUN 2 /* Sun-native configuration file */
1842 #define VENDOR_HP 3 /* Hewlett-Packard specific config syntax */
1843 #define VENDOR_IBM 4 /* IBM specific config syntax */
1844 #define VENDOR_SENDMAIL 5 /* Sendmail, Inc. specific config syntax */
1845 #define VENDOR_DEC 6 /* Compaq, DEC, Digital */
1847 /* prototypes for vendor-specific hook routines */
1848 extern void vendor_daemon_setup __P((ENVELOPE *));
1849 extern void vendor_set_uid __P((UID_T));
1853 ** Terminal escape codes.
1855 ** To make debugging output clearer.
1860 char *te_rv_on; /* turn reverse-video on */
1861 char *te_under_on; /* turn underlining on */
1862 char *te_normal; /* revert to normal output */
1866 ** Additional definitions
1870 ** d_flags, see daemon.c
1871 ** general rule: lower case: required, upper case: No
1874 #define D_AUTHREQ 'a' /* authentication required */
1875 #define D_BINDIF 'b' /* use if_addr for outgoing connection */
1876 #define D_CANONREQ 'c' /* canonification required (cf) */
1877 #define D_IFNHELO 'h' /* use if name for HELO */
1878 #define D_FQMAIL 'f' /* fq sender address required (cf) */
1879 #define D_FQRCPT 'r' /* fq recipient address required (cf) */
1880 #define D_SMTPS 's' /* SMTP over SSL (smtps) */
1881 #define D_UNQUALOK 'u' /* unqualified address is ok (cf) */
1882 #define D_NOAUTH 'A' /* no AUTH */
1883 #define D_NOCANON 'C' /* no canonification (cf) */
1884 #define D_NOETRN 'E' /* no ETRN (MSA) */
1885 #define D_NOTLS 'S' /* don't use STARTTLS */
1886 #define D_ETRNONLY ((char)0x01) /* allow only ETRN (disk low) */
1887 #define D_OPTIONAL 'O' /* optional socket */
1888 #define D_DISABLE ((char)0x02) /* optional socket disabled */
1889 #define D_ISSET ((char)0x03) /* this client struct is set */
1896 /* what to do in the TLS initialization */
1897 #define TLS_I_NONE 0x00000000 /* no requirements... */
1898 #define TLS_I_CERT_EX 0x00000001 /* cert must exist */
1899 #define TLS_I_CERT_UNR 0x00000002 /* cert must be g/o unreadable */
1900 #define TLS_I_KEY_EX 0x00000004 /* key must exist */
1901 #define TLS_I_KEY_UNR 0x00000008 /* key must be g/o unreadable */
1902 #define TLS_I_CERTP_EX 0x00000010 /* CA cert path must exist */
1903 #define TLS_I_CERTP_UNR 0x00000020 /* CA cert path must be g/o unreadable */
1904 #define TLS_I_CERTF_EX 0x00000040 /* CA cert file must exist */
1905 #define TLS_I_CERTF_UNR 0x00000080 /* CA cert file must be g/o unreadable */
1906 #define TLS_I_RSA_TMP 0x00000100 /* RSA TMP must be generated */
1907 #define TLS_I_USE_KEY 0x00000200 /* private key must usable */
1908 #define TLS_I_USE_CERT 0x00000400 /* certificate must be usable */
1909 #define TLS_I_VRFY_PATH 0x00000800 /* load verify path must succeed */
1910 #define TLS_I_VRFY_LOC 0x00001000 /* load verify default must succeed */
1911 #define TLS_I_CACHE 0x00002000 /* require cache */
1912 #define TLS_I_TRY_DH 0x00004000 /* try DH certificate */
1913 #define TLS_I_REQ_DH 0x00008000 /* require DH certificate */
1914 #define TLS_I_DHPAR_EX 0x00010000 /* require DH parameters */
1915 #define TLS_I_DHPAR_UNR 0x00020000 /* DH param. must be g/o unreadable */
1916 #define TLS_I_DH512 0x00040000 /* generate 512bit DH param */
1917 #define TLS_I_DH1024 0x00080000 /* generate 1024bit DH param */
1918 #define TLS_I_DH2048 0x00100000 /* generate 2048bit DH param */
1919 #define TLS_I_NO_VRFY 0x00200000 /* do not require authentication */
1920 #define TLS_I_KEY_OUNR 0x00400000 /* Key must be other unreadable */
1921 #define TLS_I_CRLF_EX 0x00800000 /* CRL file must exist */
1922 #define TLS_I_CRLF_UNR 0x01000000 /* CRL file must be g/o unreadable */
1924 /* require server cert */
1925 #define TLS_I_SRV_CERT (TLS_I_CERT_EX | TLS_I_KEY_EX | \
1926 TLS_I_KEY_UNR | TLS_I_KEY_OUNR | \
1927 TLS_I_CERTP_EX | TLS_I_CERTF_EX | \
1928 TLS_I_USE_KEY | TLS_I_USE_CERT | TLS_I_CACHE)
1930 /* server requirements */
1931 #define TLS_I_SRV (TLS_I_SRV_CERT | TLS_I_RSA_TMP | TLS_I_VRFY_PATH | \
1932 TLS_I_VRFY_LOC | TLS_I_TRY_DH | TLS_I_DH512 | \
1935 /* client requirements */
1936 #define TLS_I_CLT (TLS_I_KEY_UNR | TLS_I_KEY_OUNR)
1938 #define TLS_AUTH_OK 0
1939 #define TLS_AUTH_NO 1
1940 #define TLS_AUTH_FAIL (-1)
1943 extern bool init_tls_library __P((bool _fipsmode));
1944 extern bool inittls __P((SSL_CTX **, unsigned long, long, bool, char *, char *, char *, char *, char *));
1945 extern bool initclttls __P((bool));
1946 extern void setclttls __P((bool));
1947 extern bool initsrvtls __P((bool));
1948 extern int tls_get_info __P((SSL *, bool, char *, MACROS_T *, bool));
1949 extern int endtls __P((SSL *, char *));
1950 extern void tlslogerr __P((int, const char *));
1953 EXTERN char *CACertPath; /* path to CA certificates (dir. with hashes) */
1954 EXTERN char *CACertFile; /* file with CA certificate */
1955 EXTERN char *CltCertFile; /* file with client certificate */
1956 EXTERN char *CltKeyFile; /* file with client private key */
1958 EXTERN char *CipherList; /* list of ciphers */
1959 EXTERN char *DHParams5; /* file with DH parameters (512) */
1960 # endif /* _FFR_TLS_1 */
1961 EXTERN char *DHParams; /* file with DH parameters */
1962 EXTERN char *RandFile; /* source of random data */
1963 EXTERN char *SrvCertFile; /* file with server certificate */
1964 EXTERN char *SrvKeyFile; /* file with server private key */
1965 EXTERN char *CRLFile; /* file CRLs */
1967 EXTERN char *CRLPath; /* path to CRLs (dir. with hashes) */
1968 #endif /* _FFR_CRLPATH */
1969 EXTERN unsigned long TLS_Srv_Opts; /* TLS server options */
1970 EXTERN long Srv_SSL_Options, Clt_SSL_Options; /* SSL options */
1971 #endif /* STARTTLS */
1974 ** Queue related items
1977 /* queue file names */
1978 #define ANYQFL_LETTER '?'
1979 #define QUARQF_LETTER 'h'
1980 #define DATAFL_LETTER 'd'
1981 #define XSCRPT_LETTER 'x'
1982 #define NORMQF_LETTER 'q'
1983 #define NEWQFL_LETTER 't'
1985 # define TEMPQF_LETTER 'T'
1986 # define LOSEQF_LETTER 'Q'
1988 /* queue sort order */
1989 #define QSO_BYPRIORITY 0 /* sort by message priority */
1990 #define QSO_BYHOST 1 /* sort by first host name */
1991 #define QSO_BYTIME 2 /* sort by submission time */
1992 #define QSO_BYFILENAME 3 /* sort by file name only */
1993 #define QSO_RANDOM 4 /* sort in random order */
1994 #define QSO_BYMODTIME 5 /* sort by modification time */
1995 #define QSO_NONE 6 /* do not sort */
1997 # define QSO_BYSHUFFLE 7 /* sort by shuffled host name */
1998 #endif /* _FFR_RHS */
2000 #define NOQGRP (-1) /* no queue group (yet) */
2001 #define ENVQGRP (-2) /* use queue group of envelope */
2002 #define NOAQGRP (-3) /* no queue group in addr (yet) */
2003 #define ISVALIDQGRP(x) ((x) >= 0) /* valid queue group? */
2004 #define NOQDIR (-1) /* no queue directory (yet) */
2005 #define ENVQDIR (-2) /* use queue directory of envelope */
2006 #define NOAQDIR (-3) /* no queue directory in addr (yet) */
2007 #define ISVALIDQDIR(x) ((x) >= 0) /* valid queue directory? */
2008 #define RS_QUEUEGROUP "queuegroup" /* ruleset for queue group selection */
2010 #define NOW ((time_t) (-1)) /* queue return: now */
2012 /* SuperSafe values */
2013 #define SAFE_NO 0 /* no fsync(): don't use... */
2014 #define SAFE_INTERACTIVE 1 /* limit fsync() in -odi */
2015 #define SAFE_REALLY 2 /* always fsync() */
2016 #define SAFE_REALLY_POSTMILTER 3 /* fsync() if milter says OK */
2018 /* QueueMode bits */
2019 #define QM_NORMAL ' '
2020 #define QM_QUARANTINE 'Q'
2023 /* Queue Run Limitations */
2026 char *queue_match; /* string to match */
2027 bool queue_negate; /* or not match, if set */
2028 struct queue_char *queue_next;
2031 /* run_work_group() flags */
2032 #define RWG_NONE 0x0000
2033 #define RWG_FORK 0x0001
2034 #define RWG_VERBOSE 0x0002
2035 #define RWG_PERSISTENT 0x0004
2036 #define RWG_FORCE 0x0008
2037 #define RWG_RUNALL 0x0010
2039 typedef struct queue_char QUEUE_CHAR;
2041 EXTERN int volatile CurRunners; /* current number of runner children */
2042 EXTERN int MaxQueueRun; /* maximum number of jobs in one queue run */
2043 EXTERN int MaxQueueChildren; /* max # of forked queue children */
2044 EXTERN int MaxRunnersPerQueue; /* max # proc's active in queue group */
2045 EXTERN int NiceQueueRun; /* nice queue runs to this value */
2046 EXTERN int NumQueue; /* number of queue groups */
2047 EXTERN int QueueFileMode; /* mode on files in mail queue */
2048 EXTERN int QueueMode; /* which queue items to act upon */
2049 EXTERN int QueueSortOrder; /* queue sorting order algorithm */
2050 EXTERN time_t MinQueueAge; /* min delivery interval */
2052 EXTERN time_t MaxQueueAge; /* max delivery interval */
2053 #endif /* _FFR_EXPDELAY */
2054 EXTERN time_t QueueIntvl; /* intervals between running the queue */
2055 EXTERN char *QueueDir; /* location of queue directory */
2056 EXTERN QUEUE_CHAR *QueueLimitId; /* limit queue run to id */
2057 EXTERN QUEUE_CHAR *QueueLimitQuarantine; /* limit queue run to quarantine reason */
2058 EXTERN QUEUE_CHAR *QueueLimitRecipient; /* limit queue run to rcpt */
2059 EXTERN QUEUE_CHAR *QueueLimitSender; /* limit queue run to sender */
2060 EXTERN QUEUEGRP *Queue[MAXQUEUEGROUPS + 1]; /* queue groups */
2063 extern void assign_queueid __P((ENVELOPE *));
2064 extern ADDRESS *copyqueue __P((ADDRESS *, SM_RPOOL_T *));
2065 extern void cleanup_queues __P((void));
2066 extern bool doqueuerun __P((void));
2067 extern void initsys __P((ENVELOPE *));
2068 extern void loseqfile __P((ENVELOPE *, char *));
2069 extern int name2qid __P((char *));
2070 extern char *qid_printname __P((ENVELOPE *));
2071 extern char *qid_printqueue __P((int, int));
2072 extern void quarantine_queue __P((char *, int));
2073 extern char *queuename __P((ENVELOPE *, int));
2074 extern void queueup __P((ENVELOPE *, bool, bool));
2075 extern bool runqueue __P((bool, bool, bool, bool));
2076 extern bool run_work_group __P((int, int));
2077 extern void set_def_queueval __P((QUEUEGRP *, bool));
2078 extern void setup_queues __P((bool));
2079 extern bool setnewqueue __P((ENVELOPE *));
2080 extern bool shouldqueue __P((long, time_t));
2081 extern void sync_queue_time __P((void));
2082 extern void init_qid_alg __P((void));
2083 extern int print_single_queue __P((int, int));
2084 #if REQUIRES_DIR_FSYNC
2085 # define SYNC_DIR(path, panic) sync_dir(path, panic)
2086 extern void sync_dir __P((char *, bool));
2087 #else /* REQUIRES_DIR_FSYNC */
2088 # define SYNC_DIR(path, panic) ((void) 0)
2089 #endif /* REQUIRES_DIR_FSYNC */
2094 ** Indicated values are the MINIMUM per RFC 1123 section 5.3.2.
2099 /* RFC 1123-specified timeouts [minimum value] */
2100 time_t to_initial; /* initial greeting timeout [5m] */
2101 time_t to_mail; /* MAIL command [5m] */
2102 time_t to_rcpt; /* RCPT command [5m] */
2103 time_t to_datainit; /* DATA initiation [2m] */
2104 time_t to_datablock; /* DATA block [3m] */
2105 time_t to_datafinal; /* DATA completion [10m] */
2106 time_t to_nextcommand; /* next command [5m] */
2107 /* following timeouts are not mentioned in RFC 1123 */
2108 time_t to_iconnect; /* initial connection timeout (first try) */
2109 time_t to_connect; /* initial connection timeout (later tries) */
2110 time_t to_aconnect; /* all connections timeout (MX and A records) */
2111 time_t to_rset; /* RSET command */
2112 time_t to_helo; /* HELO command */
2113 time_t to_quit; /* QUIT command */
2114 time_t to_miscshort; /* misc short commands (NOOP, VERB, etc) */
2115 time_t to_ident; /* IDENT protocol requests */
2116 time_t to_fileopen; /* opening :include: and .forward files */
2117 time_t to_control; /* process a control socket command */
2118 time_t to_lhlo; /* LMTP: LHLO command */
2120 time_t to_auth; /* AUTH dialogue [10m] */
2123 time_t to_starttls; /* STARTTLS dialogue [10m] */
2124 #endif /* STARTTLS */
2125 /* following are per message */
2126 time_t to_q_return[MAXTOCLASS]; /* queue return timeouts */
2127 time_t to_q_warning[MAXTOCLASS]; /* queue warning timeouts */
2128 time_t res_retrans[MAXRESTOTYPES]; /* resolver retransmit */
2129 int res_retry[MAXRESTOTYPES]; /* resolver retry */
2132 /* timeout classes for return and warning timeouts */
2133 #define TOC_NORMAL 0 /* normal delivery */
2134 #define TOC_URGENT 1 /* urgent delivery */
2135 #define TOC_NONURGENT 2 /* non-urgent delivery */
2136 #define TOC_DSN 3 /* DSN delivery */
2138 /* resolver timeout specifiers */
2139 #define RES_TO_FIRST 0 /* first attempt */
2140 #define RES_TO_NORMAL 1 /* subsequent attempts */
2141 #define RES_TO_DEFAULT 2 /* default value */
2144 extern void inittimeouts __P((char *, bool));
2147 ** Interface probing
2150 #define DPI_PROBENONE 0 /* Don't probe any interfaces */
2151 #define DPI_PROBEALL 1 /* Probe all interfaces */
2152 #define DPI_SKIPLOOPBACK 2 /* Don't probe loopback interfaces */
2155 ** Trace information
2158 /* macros for debugging flags */
2160 # define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level)
2162 # define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level && !IntSig)
2164 #define tTdlevel(flag) (tTdvect[flag])
2167 extern unsigned char tTdvect[100]; /* trace vector */
2170 ** Miscellaneous information.
2174 ** The "no queue id" queue id for sm_syslog
2179 #define CURHOSTNAME (CurHostName == NULL ? "local" : CurHostName)
2182 ** Some in-line functions
2185 /* set exit status */
2186 #define setstat(s) \
2189 if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL) \
2194 #define STRUCTCOPY(s, d) d = s
2196 /* free a pointer if it isn't NULL and set it to NULL */
2197 #define SM_FREE_CLR(p) \
2208 ** Update a permanent string variable with a new value.
2209 ** The old value is freed, the new value is strdup'ed.
2211 ** We use sm_pstrdup_x to duplicate the string because it raises
2212 ** an exception on error, and because it allocates "permanent storage"
2213 ** which is not expected to be freed before process exit.
2214 ** The latter is important for memory leak analysis.
2216 ** If an exception occurs while strdup'ing the new value,
2217 ** then the variable remains set to the old value.
2218 ** That's why the strdup must occur before we free the old value.
2220 ** The macro uses a do loop so that this idiom will work:
2222 ** PSTRSET(var, val1);
2224 ** PSTRSET(var, val2);
2226 #define PSTRSET(var, val) \
2229 char *_newval = sm_pstrdup_x(val); \
2235 #define _CHECK_RESTART \
2238 if (ShutdownRequest != NULL) \
2239 shutdown_daemon(); \
2240 else if (RestartRequest != NULL) \
2242 else if (RestartWorkGroup) \
2243 restart_marked_work_groups(); \
2246 # define CHECK_RESTART _CHECK_RESTART
2248 #define CHK_CUR_RUNNERS(fct, idx, count) \
2251 if (CurRunners < 0) \
2254 sm_syslog(LOG_ERR, NOQID, \
2255 "%s: CurRunners=%d, i=%d, count=%d, status=should not happen", \
2256 fct, CurRunners, idx, count); \
2261 /* reply types (text in SmtpMsgBuffer) */
2262 #define XS_DEFAULT 0
2263 #define XS_STARTTLS 1
2276 ** Global variables.
2279 #if _FFR_ADDR_TYPE_MODES
2280 EXTERN bool AddrTypeModes; /* addr_type: extra "mode" information */
2281 #endif /* _FFR_ADDR_TYPE_MODES */
2282 EXTERN bool AllowBogusHELO; /* allow syntax errors on HELO command */
2283 EXTERN bool CheckAliases; /* parse addresses during newaliases */
2284 #if _FFR_QUEUE_RUN_PARANOIA
2285 EXTERN int CheckQueueRunners; /* check whether queue runners are OK */
2286 #endif /* _FFR_QUEUE_RUN_PARANOIA */
2287 EXTERN bool ColonOkInAddr; /* single colon legal in address */
2288 #if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_)
2289 EXTERN bool ConfigFileRead; /* configuration file has been read */
2290 #endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */
2291 EXTERN bool DisConnected; /* running with OutChannel redirect to transcript file */
2292 EXTERN bool DontExpandCnames; /* do not $[...$] expand CNAMEs */
2293 EXTERN bool DontInitGroups; /* avoid initgroups() because of NIS cost */
2294 EXTERN bool DontLockReadFiles; /* don't read lock support files */
2295 EXTERN bool DontPruneRoutes; /* don't prune source routes */
2296 EXTERN bool ForkQueueRuns; /* fork for each job when running the queue */
2297 EXTERN bool FromFlag; /* if set, "From" person is explicit */
2298 EXTERN bool FipsMode;
2299 EXTERN bool GrabTo; /* if set, get recipients from msg */
2300 EXTERN bool EightBitAddrOK; /* we'll let 8-bit addresses through */
2301 EXTERN bool HasEightBits; /* has at least one eight bit input byte */
2302 EXTERN bool HasWildcardMX; /* don't use MX records when canonifying */
2303 EXTERN bool HoldErrs; /* only output errors to transcript */
2304 EXTERN bool IgnoreHostStatus; /* ignore long term host status files */
2305 EXTERN bool IgnrDot; /* don't let dot end messages */
2306 EXTERN bool LogUsrErrs; /* syslog user errors (e.g., SMTP RCPT cmd) */
2307 EXTERN bool MatchGecos; /* look for user names in gecos field */
2308 EXTERN bool MeToo; /* send to the sender also */
2309 EXTERN bool NoAlias; /* suppress aliasing */
2310 EXTERN bool NoConnect; /* don't connect to non-local mailers */
2311 EXTERN bool OnlyOneError; /* .... or only want to give one SMTP reply */
2312 EXTERN bool QuickAbort; /* .... but only if we want a quick abort */
2313 #if _FFR_REJECT_NUL_BYTE
2314 EXTERN bool RejectNUL; /* reject NUL input byte? */
2315 #endif /* _FFR_REJECT_NUL_BYTE */
2316 #if REQUIRES_DIR_FSYNC
2317 EXTERN bool RequiresDirfsync; /* requires fsync() for directory */
2318 #endif /* REQUIRES_DIR_FSYNC */
2319 EXTERN bool volatile RestartWorkGroup; /* daemon needs to restart some work groups */
2320 EXTERN bool RrtImpliesDsn; /* turn Return-Receipt-To: into DSN */
2321 EXTERN bool SaveFrom; /* save leading "From" lines */
2322 EXTERN bool SendMIMEErrors; /* send error messages in MIME format */
2323 EXTERN bool SevenBitInput; /* force 7-bit data on input */
2324 EXTERN bool SingleLineFromHeader; /* force From: header to be one line */
2325 EXTERN bool SingleThreadDelivery; /* single thread hosts on delivery */
2326 EXTERN bool SoftBounce; /* replace 5xy by 4xy (for testing) */
2327 EXTERN bool volatile StopRequest; /* stop sending output */
2328 EXTERN bool SuprErrs; /* set if we are suppressing errors */
2329 EXTERN bool TryNullMXList; /* if we are the best MX, try host directly */
2330 EXTERN bool UseMSP; /* mail submission: group writable queue ok? */
2331 EXTERN bool WorkAroundBrokenAAAA; /* some nameservers return SERVFAIL on AAAA queries */
2332 EXTERN bool UseErrorsTo; /* use Errors-To: header (back compat) */
2333 EXTERN bool UseNameServer; /* using DNS -- interpret h_errno & MX RRs */
2334 EXTERN char InetMode; /* default network for daemon mode */
2335 EXTERN char OpMode; /* operation mode, see below */
2336 EXTERN char SpaceSub; /* substitution for <lwsp> */
2337 #if _FFR_BADRCPT_SHUTDOWN
2338 EXTERN int BadRcptShutdown; /* Shutdown connection for rejected RCPTs */
2339 EXTERN int BadRcptShutdownGood; /* above even when there are good RCPTs */
2340 #endif /* _FFR_BADRCPT_SHUTDOWN */
2341 EXTERN int BadRcptThrottle; /* Throttle rejected RCPTs per SMTP message */
2342 #if _FFR_RCPTTHROTDELAY
2343 EXTERN unsigned int BadRcptThrottleDelay; /* delay for BadRcptThrottle */
2345 # define BadRcptThrottleDelay 1
2346 #endif /* _FFR_RCPTTHROTDELAY */
2347 EXTERN int CheckpointInterval; /* queue file checkpoint interval */
2348 EXTERN int ConfigLevel; /* config file level */
2349 EXTERN int ConnRateThrottle; /* throttle for SMTP connection rate */
2350 EXTERN int volatile CurChildren; /* current number of daemonic children */
2351 EXTERN int CurrentLA; /* current load average */
2352 EXTERN int DefaultNotify; /* default DSN notification flags */
2353 EXTERN int DelayLA; /* load average to delay connections */
2354 EXTERN int DontProbeInterfaces; /* don't probe interfaces for names */
2355 EXTERN int Errors; /* set if errors (local to single pass) */
2356 EXTERN int ExitStat; /* exit status code */
2357 EXTERN int FastSplit; /* fast initial splitting of envelopes */
2358 EXTERN int FileMode; /* mode on files */
2359 EXTERN int LineNumber; /* line number in current input */
2360 EXTERN int LogLevel; /* level of logging to perform */
2361 EXTERN int MaxAliasRecursion; /* maximum depth of alias recursion */
2362 EXTERN int MaxChildren; /* maximum number of daemonic children */
2363 EXTERN int MaxForwardEntries; /* maximum number of forward entries */
2364 EXTERN int MaxHeadersLength; /* max length of headers */
2365 EXTERN int MaxHopCount; /* max # of hops until bounce */
2366 EXTERN int MaxMacroRecursion; /* maximum depth of macro recursion */
2367 EXTERN int MaxMimeFieldLength; /* maximum MIME field length */
2368 EXTERN int MaxMimeHeaderLength; /* maximum MIME header length */
2369 EXTERN int MaxNOOPCommands; /* max "noise" commands before slowdown */
2371 EXTERN int MaxRcptPerMsg; /* max recipients per SMTP message */
2372 EXTERN int MaxRuleRecursion; /* maximum depth of ruleset recursion */
2374 EXTERN char *MessageAccept; /* "Message accepted for delivery" reply text */
2375 #endif /* _FFR_MSG_ACCEPT */
2377 EXTERN int MimeMode; /* MIME processing mode */
2378 EXTERN int NoRecipientAction;
2381 EXTERN int Numfilesys; /* number of queue file systems */
2382 EXTERN int *PNumFileSys;
2383 # define NumFileSys (*PNumFileSys)
2384 # else /* SM_CONF_SHM */
2385 EXTERN int NumFileSys; /* number of queue file systems */
2386 # endif /* SM_CONF_SHM */
2388 EXTERN int QueueLA; /* load average starting forced queueing */
2389 EXTERN int RefuseLA; /* load average refusing connections */
2390 EXTERN time_t RejectLogInterval; /* time btwn log msgs while refusing */
2392 EXTERN long QueueLowMem; /* low memory starting forced queueing */
2393 EXTERN long RefuseLowMem; /* low memory refusing connections */
2394 EXTERN char *MemoryResource;/* memory resource to look up */
2395 #endif /* _FFR_MEMSTAT */
2396 EXTERN int SuperSafe; /* be extra careful, even if expensive */
2397 EXTERN int VendorCode; /* vendor-specific operation enhancements */
2398 EXTERN int Verbose; /* set if blow-by-blow desired */
2399 EXTERN gid_t DefGid; /* default gid to run as */
2400 EXTERN gid_t RealGid; /* real gid of caller */
2401 EXTERN gid_t RunAsGid; /* GID to become for bulk of run */
2402 EXTERN gid_t EffGid; /* effective gid */
2404 EXTERN key_t ShmKey; /* shared memory key */
2405 EXTERN char *ShmKeyFile; /* shared memory key file */
2406 #endif /* SM_CONF_SHM */
2407 EXTERN pid_t CurrentPid; /* current process id */
2408 EXTERN pid_t DaemonPid; /* process id of daemon */
2409 EXTERN pid_t PidFilePid; /* daemon/queue runner who wrote pid file */
2410 EXTERN uid_t DefUid; /* default uid to run as */
2411 EXTERN uid_t RealUid; /* real uid of caller */
2412 EXTERN uid_t RunAsUid; /* UID to become for bulk of run */
2413 EXTERN uid_t TrustedUid; /* uid of trusted user for files and startup */
2414 EXTERN size_t DataFileBufferSize; /* size of buf for in-core data file */
2415 EXTERN time_t DeliverByMin; /* deliver by minimum time */
2416 EXTERN time_t DialDelay; /* delay between dial-on-demand tries */
2417 EXTERN time_t SafeAlias; /* interval to wait until @:@ in alias file */
2418 EXTERN time_t ServiceCacheMaxAge; /* refresh interval for cache */
2419 EXTERN size_t XscriptFileBufferSize; /* size of buf for in-core transcript file */
2420 EXTERN MODE_T OldUmask; /* umask when sendmail starts up */
2421 EXTERN long MaxMessageSize; /* advertised max size we will accept */
2422 EXTERN long MinBlocksFree; /* min # of blocks free on queue fs */
2423 EXTERN long QueueFactor; /* slope of queue function */
2424 EXTERN long WkClassFact; /* multiplier for message class -> priority */
2425 EXTERN long WkRecipFact; /* multiplier for # of recipients -> priority */
2426 EXTERN long WkTimeFact; /* priority offset each time this job is run */
2427 EXTERN char *ControlSocketName; /* control socket filename [control.c] */
2428 EXTERN char *CurHostName; /* current host we are dealing with */
2429 EXTERN char *DeadLetterDrop; /* path to dead letter office */
2430 EXTERN char *DefUser; /* default user to run as (from DefUid) */
2431 EXTERN char *DefaultCharSet; /* default character set for MIME */
2432 EXTERN char *DoubleBounceAddr; /* where to send double bounces */
2433 EXTERN char *ErrMsgFile; /* file to prepend to all error messages */
2434 EXTERN char *FallbackMX; /* fall back MX host */
2435 EXTERN char *FallbackSmartHost; /* fall back smart host */
2436 EXTERN char *FileName; /* name to print on error messages */
2437 EXTERN char *ForwardPath; /* path to search for .forward files */
2438 EXTERN char *HeloName; /* hostname to announce in HELO */
2439 EXTERN char *HelpFile; /* location of SMTP help file */
2440 EXTERN char *HostStatDir; /* location of host status information */
2441 EXTERN char *HostsFile; /* path to /etc/hosts file */
2442 extern char *Mbdb; /* mailbox database type */
2443 EXTERN char *MustQuoteChars; /* quote these characters in phrases */
2444 EXTERN char *MyHostName; /* name of this host for SMTP messages */
2445 EXTERN char *OperatorChars; /* operators (old $o macro) */
2446 EXTERN char *PidFile; /* location of proc id file [conf.c] */
2447 EXTERN char *PostMasterCopy; /* address to get errs cc's */
2448 EXTERN char *ProcTitlePrefix; /* process title prefix */
2449 EXTERN char *RealHostName; /* name of host we are talking to */
2450 EXTERN char *RealUserName; /* real user name of caller */
2451 EXTERN char *volatile RestartRequest;/* a sendmail restart has been requested */
2452 EXTERN char *RunAsUserName; /* user to become for bulk of run */
2453 EXTERN char *SafeFileEnv; /* chroot location for file delivery */
2454 EXTERN char *ServiceSwitchFile; /* backup service switch */
2455 EXTERN char *volatile ShutdownRequest;/* a sendmail shutdown has been requested */
2456 EXTERN bool volatile IntSig;
2457 EXTERN char *SmtpGreeting; /* SMTP greeting message (old $e macro) */
2458 EXTERN char *SmtpPhase; /* current phase in SMTP processing */
2459 EXTERN char SmtpError[MAXLINE]; /* save failure error messages */
2460 EXTERN char *StatFile; /* location of statistics summary */
2461 EXTERN char *TimeZoneSpec; /* override time zone specification */
2462 EXTERN char *UdbSpec; /* user database source spec */
2463 EXTERN char *UnixFromLine; /* UNIX From_ line (old $l macro) */
2464 EXTERN char **ExternalEnviron; /* saved user (input) environment */
2465 EXTERN char **SaveArgv; /* argument vector for re-execing */
2466 EXTERN BITMAP256 DontBlameSendmail; /* DontBlameSendmail bits */
2467 EXTERN SM_FILE_T *InChannel; /* input connection */
2468 EXTERN SM_FILE_T *OutChannel; /* output connection */
2469 EXTERN SM_FILE_T *TrafficLogFile; /* file in which to log all traffic */
2471 EXTERN void *HesiodContext;
2473 EXTERN ENVELOPE *CurEnv; /* envelope currently being processed */
2474 EXTERN char *RuleSetNames[MAXRWSETS]; /* ruleset number to name */
2475 EXTERN char *UserEnviron[MAXUSERENVIRON + 1];
2476 EXTERN struct rewrite *RewriteRules[MAXRWSETS];
2477 EXTERN struct termescape TermEscape; /* terminal escape codes */
2478 EXTERN SOCKADDR ConnectOnlyTo; /* override connection address (for testing) */
2479 EXTERN SOCKADDR RealHostAddr; /* address of host we are talking to */
2480 extern const SM_EXC_TYPE_T EtypeQuickAbort; /* type of a QuickAbort exception */
2483 EXTERN int ConnectionRateWindowSize;
2484 #if STARTTLS && USE_OPENSSL_ENGINE
2485 EXTERN bool SSLEngineInitialized;
2486 #endif /* STARTTLS && USE_OPENSSL_ENGINE */
2489 ** Declarations of useful functions
2492 /* Transcript file */
2493 extern void closexscript __P((ENVELOPE *));
2494 extern void openxscript __P((ENVELOPE *));
2497 extern void buffer_errors __P((void));
2498 extern void flush_errors __P((bool));
2499 extern void PRINTFLIKE(1, 2) message __P((const char *, ...));
2500 extern void PRINTFLIKE(1, 2) nmessage __P((const char *, ...));
2501 extern void PRINTFLIKE(1, 2) syserr __P((const char *, ...));
2502 extern void PRINTFLIKE(2, 3) usrerrenh __P((char *, const char *, ...));
2503 extern void PRINTFLIKE(1, 2) usrerr __P((const char *, ...));
2504 extern int isenhsc __P((const char *, int));
2505 extern int extenhsc __P((const char *, int, char *));
2508 extern void alias __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
2509 extern bool aliaswait __P((MAP *, char *, bool));
2510 extern void forward __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
2511 extern void readaliases __P((MAP *, SM_FILE_T *, bool, bool));
2512 extern bool rebuildaliases __P((MAP *, bool));
2513 extern void setalias __P((char *));
2516 extern void logdelivery __P((MAILER *, MCI *, char *, const char *, ADDRESS *, time_t, ENVELOPE *));
2517 extern void logsender __P((ENVELOPE *, char *));
2518 extern void PRINTFLIKE(3, 4) sm_syslog __P((int, const char *, const char *, ...));
2521 extern void giveresponse __P((int, char *, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *, ADDRESS *));
2522 extern int reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)__P((char *, bool, MAILER *, MCI *, ENVELOPE *)), char **, int));
2523 extern void smtp __P((char *volatile, BITMAP256, ENVELOPE *volatile));
2525 extern int smtpauth __P((MAILER *, MCI *, ENVELOPE *));
2527 extern int smtpdata __P((MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t));
2528 extern int smtpgetstat __P((MAILER *, MCI *, ENVELOPE *));
2529 extern int smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *));
2530 extern void smtpmessage __P((char *, MAILER *, MCI *, ...));
2531 extern void smtpinit __P((MAILER *, MCI *, ENVELOPE *, bool));
2532 extern char *smtptodsn __P((int));
2533 extern int smtpprobe __P((MCI *));
2534 extern void smtpquit __P((MAILER *, MCI *, ENVELOPE *));
2535 extern int smtprcpt __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t));
2536 extern void smtprset __P((MAILER *, MCI *, ENVELOPE *));
2538 #define REPLYTYPE(r) ((r) / 100) /* first digit of reply code */
2539 #define REPLYCLASS(r) (((r) / 10) % 10) /* second digit of reply code */
2540 #define REPLYMINOR(r) ((r) % 10) /* last digit of reply code */
2541 #define ISSMTPCODE(c) (isascii(c[0]) && isdigit(c[0]) && \
2542 isascii(c[1]) && isdigit(c[1]) && \
2543 isascii(c[2]) && isdigit(c[2]))
2544 #define ISSMTPREPLY(c) (ISSMTPCODE(c) && \
2545 (c[3] == ' ' || c[3] == '-' || c[3] == '\0'))
2548 extern pid_t dowork __P((int, int, char *, bool, bool, ENVELOPE *));
2549 extern pid_t doworklist __P((ENVELOPE *, bool, bool));
2550 extern int endmailer __P((MCI *, ENVELOPE *, char **));
2551 extern int mailfile __P((char *volatile, MAILER *volatile, ADDRESS *, volatile long, ENVELOPE *));
2552 extern void sendall __P((ENVELOPE *, int));
2555 #define STATS_NORMAL 'n'
2556 #define STATS_QUARANTINE 'q'
2557 #define STATS_REJECT 'r'
2558 #define STATS_CONNECT 'c'
2560 extern void markstats __P((ENVELOPE *, ADDRESS *, int));
2561 extern void clearstats __P((void));
2562 extern void poststats __P((char *));
2564 /* control socket */
2565 extern void closecontrolsocket __P((bool));
2566 extern void clrcontrol __P((void));
2567 extern void control_command __P((int, ENVELOPE *));
2568 extern int opencontrolsocket __P((void));
2571 /* milter functions */
2572 extern void milter_config __P((char *, struct milter **, int));
2573 extern void milter_setup __P((char *));
2574 extern void milter_set_option __P((char *, char *, bool));
2575 extern bool milter_init __P((ENVELOPE *, char *, milters_T *));
2576 extern void milter_quit __P((ENVELOPE *));
2577 extern void milter_abort __P((ENVELOPE *));
2578 extern char *milter_connect __P((char *, SOCKADDR, ENVELOPE *, char *));
2579 extern char *milter_helo __P((char *, ENVELOPE *, char *));
2580 extern char *milter_envfrom __P((char **, ENVELOPE *, char *));
2581 extern char *milter_data_cmd __P((ENVELOPE *, char *));
2582 extern char *milter_envrcpt __P((char **, ENVELOPE *, char *, bool));
2583 extern char *milter_data __P((ENVELOPE *, char *));
2584 extern char *milter_unknown __P((char *, ENVELOPE *, char *));
2587 extern char *addquotes __P((char *, SM_RPOOL_T *));
2588 extern char *arpadate __P((char *));
2589 extern bool atobool __P((char *));
2590 extern int atooct __P((char *));
2591 extern void auth_warning __P((ENVELOPE *, const char *, ...));
2592 extern int blocksignal __P((int));
2593 extern bool bitintersect __P((BITMAP256, BITMAP256));
2594 extern bool bitzerop __P((BITMAP256));
2595 extern int check_bodytype __P((char *));
2596 extern void buildfname __P((char *, char *, char *, int));
2597 extern bool chkclientmodifiers __P((int));
2598 extern bool chkdaemonmodifiers __P((int));
2599 extern int checkcompat __P((ADDRESS *, ENVELOPE *));
2601 extern void checkfd012 __P((char *));
2602 extern void checkfdopen __P((int, char *));
2604 extern void checkfds __P((char *));
2605 extern bool chownsafe __P((int, bool));
2606 extern void cleanstrcpy __P((char *, char *, int));
2608 extern void cleanup_shm __P((bool));
2609 #endif /* SM_CONF_SHM */
2610 extern void close_sendmail_pid __P((void));
2611 extern void clrdaemon __P((void));
2612 extern void collect __P((SM_FILE_T *, bool, HDR **, ENVELOPE *, bool));
2613 extern bool connection_rate_check __P((SOCKADDR *, ENVELOPE *));
2614 extern time_t convtime __P((char *, int));
2615 extern char **copyplist __P((char **, bool, SM_RPOOL_T *));
2616 extern void copy_class __P((int, int));
2617 extern int count_open_connections __P((SOCKADDR *));
2618 extern time_t curtime __P((void));
2619 extern char *defcharset __P((ENVELOPE *));
2620 extern char *denlstring __P((char *, bool, bool));
2621 extern void dferror __P((SM_FILE_T *volatile, char *, ENVELOPE *));
2622 extern void disconnect __P((int, ENVELOPE *));
2623 extern void disk_status __P((SM_FILE_T *, char *));
2624 extern bool dns_getcanonname __P((char *, int, bool, int *, int *));
2625 extern pid_t dofork __P((void));
2626 extern int drop_privileges __P((bool));
2627 extern int dsntoexitstat __P((char *));
2628 extern void dumpfd __P((int, bool, bool));
2630 extern void dumpstab __P((void));
2631 #endif /* SM_HEAP_CHECK */
2632 extern void dumpstate __P((char *));
2633 extern bool enoughdiskspace __P((long, ENVELOPE *));
2634 extern char *exitstat __P((char *));
2635 extern void fatal_error __P((SM_EXC_T *));
2636 extern char *fgetfolded __P((char *, int *, SM_FILE_T *));
2637 extern void fill_fd __P((int, char *));
2638 extern char *find_character __P((char *, int));
2639 extern int finduser __P((char *, bool *, SM_MBDB_T *));
2640 extern void finis __P((bool, bool, volatile int));
2641 extern void fixcrlf __P((char *, bool));
2642 extern long freediskspace __P((const char *, long *));
2643 #if NETINET6 && NEEDSGETIPNODE
2644 extern void freehostent __P((struct hostent *));
2645 #endif /* NETINET6 && NEEDSGETIPNODE */
2646 extern char *get_column __P((char *, int, int, char *, int));
2647 extern char *getauthinfo __P((int, bool *));
2648 extern int getdtsize __P((void));
2649 extern int getla __P((void));
2650 extern char *getmodifiers __P((char *, BITMAP256));
2651 extern BITMAP256 *getrequests __P((ENVELOPE *));
2652 extern char *getvendor __P((int));
2653 extern void help __P((char *, ENVELOPE *));
2654 extern void init_md __P((int, char **));
2655 extern void initdaemon __P((void));
2656 extern void inithostmaps __P((void));
2657 extern void initmacros __P((ENVELOPE *));
2658 extern void initsetproctitle __P((int, char **, char **));
2659 extern void init_vendor_macros __P((ENVELOPE *));
2660 extern SIGFUNC_DECL intsig __P((int));
2661 extern bool isatom __P((const char *));
2662 extern bool isloopback __P((SOCKADDR sa));
2663 extern void load_if_names __P((void));
2664 extern bool lockfile __P((int, char *, char *, int));
2665 extern void log_sendmail_pid __P((ENVELOPE *));
2666 extern void logundelrcpts __P((ENVELOPE *, char *, int, bool));
2667 extern char lower __P((int));
2668 extern void makelower __P((char *));
2669 extern int makeconnection_ds __P((char *, MCI *));
2670 extern int makeconnection __P((char *, volatile unsigned int, MCI *, ENVELOPE *, time_t));
2671 extern void makeworkgroups __P((void));
2672 extern void markfailure __P((ENVELOPE *, ADDRESS *, MCI *, int, bool));
2673 extern void mark_work_group_restart __P((int, int));
2674 extern MCI *mci_new __P((SM_RPOOL_T *));
2675 extern char *munchstring __P((char *, char **, int));
2676 extern struct hostent *myhostname __P((char *, int));
2677 extern char *newstr __P((const char *));
2679 extern char *nisplus_default_domain __P((void)); /* extern for Sun */
2680 #endif /* NISPLUS */
2681 extern bool path_is_dir __P((char *, bool));
2682 extern int pickqdir __P((QUEUEGRP *qg, long fsize, ENVELOPE *e));
2683 extern char *pintvl __P((time_t, bool));
2684 extern void printav __P((SM_FILE_T *, char **));
2685 extern void printmailer __P((SM_FILE_T *, MAILER *));
2686 extern void printnqe __P((SM_FILE_T *, char *));
2687 extern void printopenfds __P((bool));
2688 extern void printqueue __P((void));
2689 extern void printrules __P((void));
2690 extern pid_t prog_open __P((char **, int *, ENVELOPE *));
2691 extern bool putline __P((char *, MCI *));
2692 extern bool putxline __P((char *, size_t, MCI *, int));
2693 extern void queueup_macros __P((int, SM_FILE_T *, ENVELOPE *));
2694 extern void readcf __P((char *, bool, ENVELOPE *));
2695 extern SIGFUNC_DECL reapchild __P((int));
2696 extern int releasesignal __P((int));
2697 extern void resetlimits __P((void));
2698 extern void restart_daemon __P((void));
2699 extern void restart_marked_work_groups __P((void));
2700 extern bool rfc822_string __P((char *));
2701 extern void rmexpstab __P((void));
2702 extern bool savemail __P((ENVELOPE *, bool));
2703 extern void seed_random __P((void));
2704 extern void sendtoargv __P((char **, ENVELOPE *));
2705 extern void setclientoptions __P((char *));
2706 extern bool setdaemonoptions __P((char *));
2707 extern void setdefaults __P((ENVELOPE *));
2708 extern void setdefuser __P((void));
2709 extern bool setvendor __P((char *));
2710 extern void set_op_mode __P((int));
2711 extern void setoption __P((int, char *, bool, bool, ENVELOPE *));
2712 extern sigfunc_t setsignal __P((int, sigfunc_t));
2713 extern void sm_setuserenv __P((const char *, const char *));
2714 extern void settime __P((ENVELOPE *));
2716 extern void set_tls_rd_tmo __P((int));
2717 #else /* STARTTLS */
2718 #define set_tls_rd_tmo(rd_tmo)
2719 #endif /* STARTTLS */
2720 extern char *sfgets __P((char *, int, SM_FILE_T *, time_t, char *));
2721 extern char *shortenstring __P((const char *, size_t));
2722 extern char *shorten_hostname __P((char []));
2723 extern bool shorten_rfc822_string __P((char *, size_t));
2724 extern void shutdown_daemon __P((void));
2725 extern void sm_closefrom __P((int lowest, int highest));
2726 extern void sm_close_on_exec __P((int lowest, int highest));
2727 extern struct hostent *sm_gethostbyname __P((char *, int));
2728 extern struct hostent *sm_gethostbyaddr __P((char *, int, int));
2729 extern void sm_getla __P((void));
2730 extern struct passwd *sm_getpwnam __P((char *));
2731 extern struct passwd *sm_getpwuid __P((UID_T));
2732 extern void sm_setproctitle __P((bool, ENVELOPE *, const char *, ...));
2733 extern pid_t sm_wait __P((int *));
2734 extern bool split_by_recipient __P((ENVELOPE *e));
2735 extern void stop_sendmail __P((void));
2736 extern void stripbackslash __P((char *));
2737 extern bool strreplnonprt __P((char *, int));
2738 extern bool strcontainedin __P((bool, char *, char *));
2739 extern int switch_map_find __P((char *, char *[], short []));
2741 extern void tls_set_verify __P((SSL_CTX *, SSL *, bool));
2742 #endif /* STARTTLS */
2743 extern bool transienterror __P((int));
2744 extern void truncate_at_delim __P((char *, size_t, int));
2745 extern void tTflag __P((char *));
2746 extern void tTsetup __P((unsigned char *, unsigned int, char *));
2747 extern SIGFUNC_DECL tick __P((int));
2748 extern char *ttypath __P((void));
2749 extern void unlockqueue __P((ENVELOPE *));
2751 extern void unsetenv __P((char *));
2752 #endif /* !HASUNSETENV */
2754 /* update file system information: +/- some blocks */
2756 extern void upd_qs __P((ENVELOPE *, int, int, char *));
2757 # define updfs(e, count, space, where) upd_qs(e, count, space, where)
2758 #else /* SM_CONF_SHM */
2759 # define updfs(e, count, space, where)
2760 # define upd_qs(e, count, space, where)
2761 #endif /* SM_CONF_SHM */
2763 extern char *username __P((void));
2764 extern bool usershellok __P((char *, char *));
2765 extern void vendor_post_defaults __P((ENVELOPE *));
2766 extern void vendor_pre_defaults __P((ENVELOPE *));
2767 extern int waitfor __P((pid_t));
2768 extern bool writable __P((char *, ADDRESS *, long));
2770 # define xalloc(size) xalloc_tagged(size, __FILE__, __LINE__)
2771 extern char *xalloc_tagged __P((int, char*, int));
2772 #else /* SM_HEAP_CHECK */
2773 extern char *xalloc __P((int));
2774 #endif /* SM_HEAP_CHECK */
2775 extern void xputs __P((SM_FILE_T *, const char *));
2776 extern char *xtextify __P((char *, char *));
2777 extern bool xtextok __P((char *));
2778 extern int xunlink __P((char *));
2779 extern char *xuntextify __P((char *));
2783 #endif /* ! _SENDMAIL_H */
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