xref: /illumos-gate/usr/src/cmd/sendmail/src/sendmail.h (revision e9af4bc0)
17c478bd9Sstevel@tonic-gate /*
2*e9af4bc0SJohn Beck  * Copyright (c) 1998-2009 Sendmail, Inc. and its suppliers.
37c478bd9Sstevel@tonic-gate  *	All rights reserved.
47c478bd9Sstevel@tonic-gate  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
57c478bd9Sstevel@tonic-gate  * Copyright (c) 1988, 1993
67c478bd9Sstevel@tonic-gate  *	The Regents of the University of California.  All rights reserved.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * By using this file, you agree to the terms and conditions set
97c478bd9Sstevel@tonic-gate  * forth in the LICENSE file which can be found at the top level of
107c478bd9Sstevel@tonic-gate  * the sendmail distribution.
117c478bd9Sstevel@tonic-gate  */
127c478bd9Sstevel@tonic-gate 
137c478bd9Sstevel@tonic-gate /*
147c478bd9Sstevel@tonic-gate **  SENDMAIL.H -- MTA-specific definitions for sendmail.
157c478bd9Sstevel@tonic-gate */
167c478bd9Sstevel@tonic-gate 
177c478bd9Sstevel@tonic-gate #ifndef _SENDMAIL_H
187c478bd9Sstevel@tonic-gate # define _SENDMAIL_H 1
197c478bd9Sstevel@tonic-gate 
207c478bd9Sstevel@tonic-gate #ifndef MILTER
217c478bd9Sstevel@tonic-gate # define MILTER	1	/* turn on MILTER by default */
227c478bd9Sstevel@tonic-gate #endif /* MILTER */
237c478bd9Sstevel@tonic-gate 
247c478bd9Sstevel@tonic-gate #ifdef _DEFINE
257c478bd9Sstevel@tonic-gate # define EXTERN
267c478bd9Sstevel@tonic-gate #else /* _DEFINE */
277c478bd9Sstevel@tonic-gate # define EXTERN extern
287c478bd9Sstevel@tonic-gate #endif /* _DEFINE */
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate 
317c478bd9Sstevel@tonic-gate #include <unistd.h>
327c478bd9Sstevel@tonic-gate 
337c478bd9Sstevel@tonic-gate #include <stddef.h>
347c478bd9Sstevel@tonic-gate #include <stdlib.h>
357c478bd9Sstevel@tonic-gate #include <stdio.h>
367c478bd9Sstevel@tonic-gate #include <ctype.h>
377c478bd9Sstevel@tonic-gate #include <setjmp.h>
387c478bd9Sstevel@tonic-gate #include <string.h>
397c478bd9Sstevel@tonic-gate #include <time.h>
407c478bd9Sstevel@tonic-gate # ifdef EX_OK
417c478bd9Sstevel@tonic-gate #  undef EX_OK			/* for SVr4.2 SMP */
427c478bd9Sstevel@tonic-gate # endif /* EX_OK */
437c478bd9Sstevel@tonic-gate 
447c478bd9Sstevel@tonic-gate #include "sendmail/sendmail.h"
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate /* profiling? */
477c478bd9Sstevel@tonic-gate #if MONCONTROL
487c478bd9Sstevel@tonic-gate # define SM_PROF(x)	moncontrol(x)
497c478bd9Sstevel@tonic-gate #else /* MONCONTROL */
507c478bd9Sstevel@tonic-gate # define SM_PROF(x)
517c478bd9Sstevel@tonic-gate #endif /* MONCONTROL */
527c478bd9Sstevel@tonic-gate 
537c478bd9Sstevel@tonic-gate #ifdef _DEFINE
547c478bd9Sstevel@tonic-gate # ifndef lint
55*e9af4bc0SJohn Beck SM_UNUSED(static char SmailId[]) = "@(#)$Id: sendmail.h,v 8.1068 2009/12/18 17:08:01 ca Exp $";
567c478bd9Sstevel@tonic-gate # endif /* ! lint */
577c478bd9Sstevel@tonic-gate #endif /* _DEFINE */
587c478bd9Sstevel@tonic-gate 
597c478bd9Sstevel@tonic-gate #include "bf.h"
607c478bd9Sstevel@tonic-gate #include "timers.h"
617c478bd9Sstevel@tonic-gate #include <sm/exc.h>
627c478bd9Sstevel@tonic-gate #include <sm/heap.h>
637c478bd9Sstevel@tonic-gate #include <sm/debug.h>
647c478bd9Sstevel@tonic-gate #include <sm/rpool.h>
657c478bd9Sstevel@tonic-gate #include <sm/io.h>
667c478bd9Sstevel@tonic-gate #include <sm/path.h>
677c478bd9Sstevel@tonic-gate #include <sm/signal.h>
687c478bd9Sstevel@tonic-gate #include <sm/clock.h>
697c478bd9Sstevel@tonic-gate #include <sm/mbdb.h>
707c478bd9Sstevel@tonic-gate #include <sm/errstring.h>
717c478bd9Sstevel@tonic-gate #include <sm/sysexits.h>
727c478bd9Sstevel@tonic-gate #include <sm/shm.h>
73058561cbSjbeck #include <sm/misc.h>
747c478bd9Sstevel@tonic-gate 
757c478bd9Sstevel@tonic-gate #ifdef LOG
767c478bd9Sstevel@tonic-gate # include <syslog.h>
777c478bd9Sstevel@tonic-gate #endif /* LOG */
787c478bd9Sstevel@tonic-gate 
797c478bd9Sstevel@tonic-gate 
807c478bd9Sstevel@tonic-gate 
817c478bd9Sstevel@tonic-gate # if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25
827c478bd9Sstevel@tonic-gate #  include <sys/socket.h>
837c478bd9Sstevel@tonic-gate # endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
847c478bd9Sstevel@tonic-gate # if NETUNIX
857c478bd9Sstevel@tonic-gate #  include <sys/un.h>
867c478bd9Sstevel@tonic-gate # endif /* NETUNIX */
877c478bd9Sstevel@tonic-gate # if NETINET || NETINET6
887c478bd9Sstevel@tonic-gate #  include <netinet/in.h>
897c478bd9Sstevel@tonic-gate # endif /* NETINET || NETINET6 */
907c478bd9Sstevel@tonic-gate # if NETINET6
917c478bd9Sstevel@tonic-gate /*
927c478bd9Sstevel@tonic-gate **  There is no standard yet for IPv6 includes.
937c478bd9Sstevel@tonic-gate **  Specify OS specific implementation in conf.h
947c478bd9Sstevel@tonic-gate */
957c478bd9Sstevel@tonic-gate # endif /* NETINET6 */
967c478bd9Sstevel@tonic-gate # if NETISO
977c478bd9Sstevel@tonic-gate #  include <netiso/iso.h>
987c478bd9Sstevel@tonic-gate # endif /* NETISO */
997c478bd9Sstevel@tonic-gate # if NETNS
1007c478bd9Sstevel@tonic-gate #  include <netns/ns.h>
1017c478bd9Sstevel@tonic-gate # endif /* NETNS */
1027c478bd9Sstevel@tonic-gate # if NETX25
1037c478bd9Sstevel@tonic-gate #  include <netccitt/x25.h>
1047c478bd9Sstevel@tonic-gate # endif /* NETX25 */
1057c478bd9Sstevel@tonic-gate 
1067c478bd9Sstevel@tonic-gate # if NAMED_BIND
1077c478bd9Sstevel@tonic-gate #  include <arpa/nameser.h>
1087c478bd9Sstevel@tonic-gate #  ifdef NOERROR
1097c478bd9Sstevel@tonic-gate #   undef NOERROR		/* avoid <sys/streams.h> conflict */
1107c478bd9Sstevel@tonic-gate #  endif /* NOERROR */
1117c478bd9Sstevel@tonic-gate #  include <resolv.h>
1127c478bd9Sstevel@tonic-gate # else /* NAMED_BIND */
1137c478bd9Sstevel@tonic-gate #   undef SM_SET_H_ERRNO
1147c478bd9Sstevel@tonic-gate #   define SM_SET_H_ERRNO(err)
1157c478bd9Sstevel@tonic-gate # endif /* NAMED_BIND */
1167c478bd9Sstevel@tonic-gate 
1177c478bd9Sstevel@tonic-gate # if HESIOD
1187c478bd9Sstevel@tonic-gate #  include <hesiod.h>
1197c478bd9Sstevel@tonic-gate #  if !defined(HES_ER_OK) || defined(HESIOD_INTERFACES)
1207c478bd9Sstevel@tonic-gate #   define HESIOD_INIT		/* support for the new interface */
1217c478bd9Sstevel@tonic-gate #  endif /* !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) */
1227c478bd9Sstevel@tonic-gate # endif /* HESIOD */
1237c478bd9Sstevel@tonic-gate 
1247c478bd9Sstevel@tonic-gate #if STARTTLS
1257c478bd9Sstevel@tonic-gate #  include <openssl/ssl.h>
1267c478bd9Sstevel@tonic-gate # if !TLS_NO_RSA
1277c478bd9Sstevel@tonic-gate #  define RSA_KEYLENGTH	512
1287c478bd9Sstevel@tonic-gate # endif /* !TLS_NO_RSA */
1297c478bd9Sstevel@tonic-gate #endif /* STARTTLS */
1307c478bd9Sstevel@tonic-gate 
1317c478bd9Sstevel@tonic-gate #if SASL  /* include the sasl include files if we have them */
1327c478bd9Sstevel@tonic-gate 
1337c478bd9Sstevel@tonic-gate 
1347c478bd9Sstevel@tonic-gate # if SASL == 2 || SASL >= 20000
1357c478bd9Sstevel@tonic-gate #  include <sasl/sasl.h>
1367c478bd9Sstevel@tonic-gate #  include <sasl/saslutil.h>
1377c478bd9Sstevel@tonic-gate # else /* SASL == 2 || SASL >= 20000 */
1387c478bd9Sstevel@tonic-gate #  include <sasl.h>
1397c478bd9Sstevel@tonic-gate #  include <saslutil.h>
1407c478bd9Sstevel@tonic-gate # endif /* SASL == 2 || SASL >= 20000 */
1417c478bd9Sstevel@tonic-gate # if defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP)
1427c478bd9Sstevel@tonic-gate #  define SASL_VERSION (SASL_VERSION_MAJOR * 10000)  + (SASL_VERSION_MINOR * 100) + SASL_VERSION_STEP
1437c478bd9Sstevel@tonic-gate #  if SASL == 1 || SASL == 2
1447c478bd9Sstevel@tonic-gate #   undef SASL
1457c478bd9Sstevel@tonic-gate #   define SASL SASL_VERSION
1467c478bd9Sstevel@tonic-gate #  else /* SASL == 1 || SASL == 2 */
1477c478bd9Sstevel@tonic-gate #   if SASL != SASL_VERSION
1487c478bd9Sstevel@tonic-gate   ERROR README: -DSASL (SASL) does not agree with the version of the CYRUS_SASL library (SASL_VERSION)
1497c478bd9Sstevel@tonic-gate   ERROR README: see README!
1507c478bd9Sstevel@tonic-gate #   endif /* SASL != SASL_VERSION */
1517c478bd9Sstevel@tonic-gate #  endif /* SASL == 1 || SASL == 2 */
1527c478bd9Sstevel@tonic-gate # else /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
1537c478bd9Sstevel@tonic-gate #  if SASL == 1
1547c478bd9Sstevel@tonic-gate   ERROR README: please set -DSASL to the version of the CYRUS_SASL library
1557c478bd9Sstevel@tonic-gate   ERROR README: see README!
1567c478bd9Sstevel@tonic-gate #  endif /* SASL == 1 */
1577c478bd9Sstevel@tonic-gate # endif /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
1587c478bd9Sstevel@tonic-gate #endif /* SASL */
1597c478bd9Sstevel@tonic-gate 
1607c478bd9Sstevel@tonic-gate /*
1617c478bd9Sstevel@tonic-gate **  Following are "sort of" configuration constants, but they should
1627c478bd9Sstevel@tonic-gate **  be pretty solid on most architectures today.  They have to be
1637c478bd9Sstevel@tonic-gate **  defined after <arpa/nameser.h> because some versions of that
1647c478bd9Sstevel@tonic-gate **  file also define them.  In all cases, we can't use sizeof because
1657c478bd9Sstevel@tonic-gate **  some systems (e.g., Crays) always treat everything as being at
1667c478bd9Sstevel@tonic-gate **  least 64 bits.
1677c478bd9Sstevel@tonic-gate */
1687c478bd9Sstevel@tonic-gate 
1697c478bd9Sstevel@tonic-gate #ifndef INADDRSZ
1707c478bd9Sstevel@tonic-gate # define INADDRSZ	4		/* size of an IPv4 address in bytes */
1717c478bd9Sstevel@tonic-gate #endif /* ! INADDRSZ */
1727c478bd9Sstevel@tonic-gate #ifndef IN6ADDRSZ
1737c478bd9Sstevel@tonic-gate # define IN6ADDRSZ	16		/* size of an IPv6 address in bytes */
1747c478bd9Sstevel@tonic-gate #endif /* ! IN6ADDRSZ */
1757c478bd9Sstevel@tonic-gate #ifndef INT16SZ
1767c478bd9Sstevel@tonic-gate # define INT16SZ	2		/* size of a 16 bit integer in bytes */
1777c478bd9Sstevel@tonic-gate #endif /* ! INT16SZ */
1787c478bd9Sstevel@tonic-gate #ifndef INT32SZ
1797c478bd9Sstevel@tonic-gate # define INT32SZ	4		/* size of a 32 bit integer in bytes */
1807c478bd9Sstevel@tonic-gate #endif /* ! INT32SZ */
1817c478bd9Sstevel@tonic-gate #ifndef INADDR_LOOPBACK
1827c478bd9Sstevel@tonic-gate # define INADDR_LOOPBACK	0x7f000001	/* loopback address */
1837c478bd9Sstevel@tonic-gate #endif /* ! INADDR_LOOPBACK */
1847c478bd9Sstevel@tonic-gate 
1857c478bd9Sstevel@tonic-gate /*
1867c478bd9Sstevel@tonic-gate **  Error return from inet_addr(3), in case not defined in /usr/include.
1877c478bd9Sstevel@tonic-gate */
1887c478bd9Sstevel@tonic-gate 
1897c478bd9Sstevel@tonic-gate #ifndef INADDR_NONE
1907c478bd9Sstevel@tonic-gate # define INADDR_NONE	0xffffffff
1917c478bd9Sstevel@tonic-gate #endif /* ! INADDR_NONE */
1927c478bd9Sstevel@tonic-gate 
1937c478bd9Sstevel@tonic-gate 
1947c478bd9Sstevel@tonic-gate /* (f)open() modes for queue files */
1957c478bd9Sstevel@tonic-gate # define QF_O_EXTRA	0
1967c478bd9Sstevel@tonic-gate 
1977c478bd9Sstevel@tonic-gate 
1987c478bd9Sstevel@tonic-gate /*
1997c478bd9Sstevel@tonic-gate **  An 'argument class' describes the storage allocation status
2007c478bd9Sstevel@tonic-gate **  of an object pointed to by an argument to a function.
2017c478bd9Sstevel@tonic-gate */
2027c478bd9Sstevel@tonic-gate 
2037c478bd9Sstevel@tonic-gate typedef enum
2047c478bd9Sstevel@tonic-gate {
2057c478bd9Sstevel@tonic-gate 	A_HEAP,	/* the storage was allocated by malloc, and the
2067c478bd9Sstevel@tonic-gate 		 * ownership of the storage is ceded by the caller
2077c478bd9Sstevel@tonic-gate 		 * to the called function. */
2087c478bd9Sstevel@tonic-gate 	A_TEMP, /* The storage is temporary, and is only guaranteed
2097c478bd9Sstevel@tonic-gate 		 * to be valid for the duration of the function call. */
2107c478bd9Sstevel@tonic-gate 	A_PERM	/* The storage is 'permanent': this might mean static
2117c478bd9Sstevel@tonic-gate 		 * storage, or rpool storage. */
2127c478bd9Sstevel@tonic-gate } ARGCLASS_T;
2137c478bd9Sstevel@tonic-gate 
2147c478bd9Sstevel@tonic-gate /* forward references for prototypes */
2157c478bd9Sstevel@tonic-gate typedef struct envelope	ENVELOPE;
2167c478bd9Sstevel@tonic-gate typedef struct mailer	MAILER;
2177c478bd9Sstevel@tonic-gate typedef struct queuegrp	QUEUEGRP;
2187c478bd9Sstevel@tonic-gate 
2197c478bd9Sstevel@tonic-gate /*
2207c478bd9Sstevel@tonic-gate **  Address structure.
2217c478bd9Sstevel@tonic-gate **	Addresses are stored internally in this structure.
2227c478bd9Sstevel@tonic-gate */
2237c478bd9Sstevel@tonic-gate 
2247c478bd9Sstevel@tonic-gate struct address
2257c478bd9Sstevel@tonic-gate {
2267c478bd9Sstevel@tonic-gate 	char		*q_paddr;	/* the printname for the address */
2277c478bd9Sstevel@tonic-gate 	char		*q_user;	/* user name */
2287c478bd9Sstevel@tonic-gate 	char		*q_ruser;	/* real user name, or NULL if q_user */
2297c478bd9Sstevel@tonic-gate 	char		*q_host;	/* host name */
2307c478bd9Sstevel@tonic-gate 	struct mailer	*q_mailer;	/* mailer to use */
2317c478bd9Sstevel@tonic-gate 	unsigned long	q_flags;	/* status flags, see below */
2327c478bd9Sstevel@tonic-gate 	uid_t		q_uid;		/* user-id of receiver (if known) */
2337c478bd9Sstevel@tonic-gate 	gid_t		q_gid;		/* group-id of receiver (if known) */
2347c478bd9Sstevel@tonic-gate 	char		*q_home;	/* home dir (local mailer only) */
2357c478bd9Sstevel@tonic-gate 	char		*q_fullname;	/* full name if known */
2367c478bd9Sstevel@tonic-gate 	struct address	*q_next;	/* chain */
2377c478bd9Sstevel@tonic-gate 	struct address	*q_alias;	/* address this results from */
2387c478bd9Sstevel@tonic-gate 	char		*q_owner;	/* owner of q_alias */
2397c478bd9Sstevel@tonic-gate 	struct address	*q_tchain;	/* temporary use chain */
2407c478bd9Sstevel@tonic-gate #if PIPELINING
2417c478bd9Sstevel@tonic-gate 	struct address	*q_pchain;	/* chain for pipelining */
2427c478bd9Sstevel@tonic-gate #endif /* PIPELINING */
2437c478bd9Sstevel@tonic-gate 	char		*q_finalrcpt;	/* Final-Recipient: DSN header */
2447c478bd9Sstevel@tonic-gate 	char		*q_orcpt;	/* ORCPT parameter from RCPT TO: line */
2457c478bd9Sstevel@tonic-gate 	char		*q_status;	/* status code for DSNs */
2467c478bd9Sstevel@tonic-gate 	char		*q_rstatus;	/* remote status message for DSNs */
2477c478bd9Sstevel@tonic-gate 	time_t		q_statdate;	/* date of status messages */
2487c478bd9Sstevel@tonic-gate 	char		*q_statmta;	/* MTA generating q_rstatus */
2497c478bd9Sstevel@tonic-gate 	short		q_state;	/* address state, see below */
2507c478bd9Sstevel@tonic-gate 	char		*q_signature;	/* MX-based sorting value */
2517c478bd9Sstevel@tonic-gate 	int		q_qgrp;		/* index into queue groups */
2527c478bd9Sstevel@tonic-gate 	int		q_qdir;		/* queue directory inside group */
2537c478bd9Sstevel@tonic-gate 	char		*q_message;	/* error message */
2547c478bd9Sstevel@tonic-gate };
2557c478bd9Sstevel@tonic-gate 
2567c478bd9Sstevel@tonic-gate typedef struct address ADDRESS;
2577c478bd9Sstevel@tonic-gate 
2587c478bd9Sstevel@tonic-gate /* bit values for q_flags */
2597c478bd9Sstevel@tonic-gate #define QGOODUID	0x00000001	/* the q_uid q_gid fields are good */
2607c478bd9Sstevel@tonic-gate #define QPRIMARY	0x00000002	/* set from RCPT or argv */
2617c478bd9Sstevel@tonic-gate #define QNOTREMOTE	0x00000004	/* address not for remote forwarding */
2627c478bd9Sstevel@tonic-gate #define QSELFREF	0x00000008	/* this address references itself */
2637c478bd9Sstevel@tonic-gate #define QBOGUSSHELL	0x00000010	/* user has no valid shell listed */
2647c478bd9Sstevel@tonic-gate #define QUNSAFEADDR	0x00000020	/* address acquired via unsafe path */
2657c478bd9Sstevel@tonic-gate #define QPINGONSUCCESS	0x00000040	/* give return on successful delivery */
2667c478bd9Sstevel@tonic-gate #define QPINGONFAILURE	0x00000080	/* give return on failure */
2677c478bd9Sstevel@tonic-gate #define QPINGONDELAY	0x00000100	/* give return on message delay */
2687c478bd9Sstevel@tonic-gate #define QHASNOTIFY	0x00000200	/* propagate notify parameter */
2697c478bd9Sstevel@tonic-gate #define QRELAYED	0x00000400	/* DSN: relayed to non-DSN aware sys */
2707c478bd9Sstevel@tonic-gate #define QEXPANDED	0x00000800	/* DSN: undergone list expansion */
2717c478bd9Sstevel@tonic-gate #define QDELIVERED	0x00001000	/* DSN: successful final delivery */
2727c478bd9Sstevel@tonic-gate #define QDELAYED	0x00002000	/* DSN: message delayed */
2737c478bd9Sstevel@tonic-gate #define QALIAS		0x00004000	/* expanded alias */
2747c478bd9Sstevel@tonic-gate #define QBYTRACE	0x00008000	/* DeliverBy: trace */
2757c478bd9Sstevel@tonic-gate #define QBYNDELAY	0x00010000	/* DeliverBy: notify, delay */
2767c478bd9Sstevel@tonic-gate #define QBYNRELAY	0x00020000	/* DeliverBy: notify, relayed */
2777c478bd9Sstevel@tonic-gate #define QTHISPASS	0x40000000	/* temp: address set this pass */
2787c478bd9Sstevel@tonic-gate #define QRCPTOK		0x80000000	/* recipient() processed address */
2797c478bd9Sstevel@tonic-gate 
2807c478bd9Sstevel@tonic-gate #define Q_PINGFLAGS	(QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY)
2817c478bd9Sstevel@tonic-gate 
2827c478bd9Sstevel@tonic-gate /* values for q_state */
2837c478bd9Sstevel@tonic-gate #define QS_OK		0		/* address ok (for now)/not yet tried */
2847c478bd9Sstevel@tonic-gate #define QS_SENT		1		/* good address, delivery complete */
2857c478bd9Sstevel@tonic-gate #define QS_BADADDR	2		/* illegal address */
2867c478bd9Sstevel@tonic-gate #define QS_QUEUEUP	3		/* save address in queue */
2877c478bd9Sstevel@tonic-gate #define QS_RETRY	4		/* retry delivery for next MX */
2887c478bd9Sstevel@tonic-gate #define QS_VERIFIED	5		/* verified, but not expanded */
2897c478bd9Sstevel@tonic-gate 
2907c478bd9Sstevel@tonic-gate /*
2917c478bd9Sstevel@tonic-gate **  Notice: all of the following values are variations of QS_DONTSEND.
2927c478bd9Sstevel@tonic-gate **	If new states are added, they must be inserted in the proper place!
2937c478bd9Sstevel@tonic-gate **	See the macro definition of QS_IS_DEAD() down below.
2947c478bd9Sstevel@tonic-gate */
2957c478bd9Sstevel@tonic-gate 
2967c478bd9Sstevel@tonic-gate #define QS_DONTSEND	6		/* don't send to this address */
2977c478bd9Sstevel@tonic-gate #define QS_EXPANDED	7		/* expanded */
2987c478bd9Sstevel@tonic-gate #define QS_SENDER	8		/* message sender (MeToo) */
2997c478bd9Sstevel@tonic-gate #define QS_CLONED	9		/* addr cloned to split envelope */
3007c478bd9Sstevel@tonic-gate #define QS_DISCARDED	10		/* rcpt discarded (EF_DISCARD) */
3017c478bd9Sstevel@tonic-gate #define QS_REPLACED	11		/* maplocaluser()/UserDB replaced */
3027c478bd9Sstevel@tonic-gate #define QS_REMOVED	12		/* removed (removefromlist()) */
3037c478bd9Sstevel@tonic-gate #define QS_DUPLICATE	13		/* duplicate suppressed */
3047c478bd9Sstevel@tonic-gate #define QS_INCLUDED	14		/* :include: delivery */
3057c478bd9Sstevel@tonic-gate #define QS_FATALERR	15		/* fatal error, don't deliver */
3067c478bd9Sstevel@tonic-gate 
3077c478bd9Sstevel@tonic-gate /* address state testing primitives */
3087c478bd9Sstevel@tonic-gate #define QS_IS_OK(s)		((s) == QS_OK)
3097c478bd9Sstevel@tonic-gate #define QS_IS_SENT(s)		((s) == QS_SENT)
3107c478bd9Sstevel@tonic-gate #define QS_IS_BADADDR(s)	((s) == QS_BADADDR)
3117c478bd9Sstevel@tonic-gate #define QS_IS_QUEUEUP(s)	((s) == QS_QUEUEUP)
3127c478bd9Sstevel@tonic-gate #define QS_IS_RETRY(s)		((s) == QS_RETRY)
3137c478bd9Sstevel@tonic-gate #define QS_IS_VERIFIED(s)	((s) == QS_VERIFIED)
3147c478bd9Sstevel@tonic-gate #define QS_IS_EXPANDED(s)	((s) == QS_EXPANDED)
3157c478bd9Sstevel@tonic-gate #define QS_IS_REMOVED(s)	((s) == QS_REMOVED)
3167c478bd9Sstevel@tonic-gate #define QS_IS_UNDELIVERED(s)	((s) == QS_OK || \
3177c478bd9Sstevel@tonic-gate 				 (s) == QS_QUEUEUP || \
3187c478bd9Sstevel@tonic-gate 				 (s) == QS_RETRY || \
3197c478bd9Sstevel@tonic-gate 				 (s) == QS_VERIFIED)
3207c478bd9Sstevel@tonic-gate #define QS_IS_UNMARKED(s)	((s) == QS_OK || \
3217c478bd9Sstevel@tonic-gate 				 (s) == QS_RETRY)
3227c478bd9Sstevel@tonic-gate #define QS_IS_SENDABLE(s)	((s) == QS_OK || \
3237c478bd9Sstevel@tonic-gate 				 (s) == QS_QUEUEUP || \
3247c478bd9Sstevel@tonic-gate 				 (s) == QS_RETRY)
3257c478bd9Sstevel@tonic-gate #define QS_IS_ATTEMPTED(s)	((s) == QS_QUEUEUP || \
3267c478bd9Sstevel@tonic-gate 				 (s) == QS_RETRY || \
3277800901eSjbeck 				 (s) == QS_SENT || \
3287800901eSjbeck 				 (s) == QS_DISCARDED)
3297c478bd9Sstevel@tonic-gate #define QS_IS_DEAD(s)		((s) >= QS_DONTSEND)
3307c478bd9Sstevel@tonic-gate 
3317c478bd9Sstevel@tonic-gate 
3327c478bd9Sstevel@tonic-gate #define NULLADDR	((ADDRESS *) NULL)
3337c478bd9Sstevel@tonic-gate 
3347c478bd9Sstevel@tonic-gate extern ADDRESS	NullAddress;	/* a null (template) address [main.c] */
3357c478bd9Sstevel@tonic-gate 
3367c478bd9Sstevel@tonic-gate /* functions */
337058561cbSjbeck extern void	cataddr __P((char **, char **, char *, int, int, bool));
3387c478bd9Sstevel@tonic-gate extern char	*crackaddr __P((char *, ENVELOPE *));
3397c478bd9Sstevel@tonic-gate extern bool	emptyaddr __P((ADDRESS *));
3407c478bd9Sstevel@tonic-gate extern ADDRESS	*getctladdr __P((ADDRESS *));
3417c478bd9Sstevel@tonic-gate extern int	include __P((char *, bool, ADDRESS *, ADDRESS **, int, ENVELOPE *));
3427c478bd9Sstevel@tonic-gate extern bool	invalidaddr __P((char *, char *, bool));
3437c478bd9Sstevel@tonic-gate extern ADDRESS	*parseaddr __P((char *, ADDRESS *, int, int, char **,
3447c478bd9Sstevel@tonic-gate 				ENVELOPE *, bool));
3457c478bd9Sstevel@tonic-gate extern char	**prescan __P((char *, int, char[], int, char **, unsigned char *, bool));
3467c478bd9Sstevel@tonic-gate extern void	printaddr __P((SM_FILE_T *, ADDRESS *, bool));
3477c478bd9Sstevel@tonic-gate extern ADDRESS	*recipient __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
3487c478bd9Sstevel@tonic-gate extern char	*remotename __P((char *, MAILER *, int, int *, ENVELOPE *));
3497c478bd9Sstevel@tonic-gate extern int	rewrite __P((char **, int, int, ENVELOPE *, int));
3507c478bd9Sstevel@tonic-gate extern bool	sameaddr __P((ADDRESS *, ADDRESS *));
3517c478bd9Sstevel@tonic-gate extern int	sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *));
3527c478bd9Sstevel@tonic-gate #if MILTER
3537c478bd9Sstevel@tonic-gate extern int	removefromlist __P((char *, ADDRESS **, ENVELOPE *));
3547c478bd9Sstevel@tonic-gate #endif /* MILTER */
3557c478bd9Sstevel@tonic-gate extern void	setsender __P((char *, ENVELOPE *, char **, int, bool));
356058561cbSjbeck typedef void esmtp_args_F __P((ADDRESS *, char *, char *, ENVELOPE *));
357058561cbSjbeck extern void	parse_esmtp_args __P((ENVELOPE *, ADDRESS *, char *, char *,
358058561cbSjbeck 			char *, char *args[], esmtp_args_F));
359058561cbSjbeck extern esmtp_args_F mail_esmtp_args;
360058561cbSjbeck extern esmtp_args_F rcpt_esmtp_args;
361058561cbSjbeck extern void	reset_mail_esmtp_args __P((ENVELOPE *));
3627c478bd9Sstevel@tonic-gate 
3637c478bd9Sstevel@tonic-gate /* macro to simplify the common call to rewrite() */
3647c478bd9Sstevel@tonic-gate #define REWRITE(pvp, rs, env)	rewrite(pvp, rs, 0, env, MAXATOM)
3657c478bd9Sstevel@tonic-gate 
366058561cbSjbeck /*
367058561cbSjbeck **  Token Tables for prescan
368058561cbSjbeck */
369058561cbSjbeck 
370058561cbSjbeck extern unsigned char	ExtTokenTab[256];	/* external strings */
371058561cbSjbeck extern unsigned char	IntTokenTab[256];	/* internal strings */
372058561cbSjbeck 
373058561cbSjbeck 
3747c478bd9Sstevel@tonic-gate /*
3757c478bd9Sstevel@tonic-gate **  Mailer definition structure.
3767c478bd9Sstevel@tonic-gate **	Every mailer known to the system is declared in this
3777c478bd9Sstevel@tonic-gate **	structure.  It defines the pathname of the mailer, some
3787c478bd9Sstevel@tonic-gate **	flags associated with it, and the argument vector to
3797c478bd9Sstevel@tonic-gate **	pass to it.  The flags are defined in conf.c
3807c478bd9Sstevel@tonic-gate **
3817c478bd9Sstevel@tonic-gate **	The argument vector is expanded before actual use.  All
3827c478bd9Sstevel@tonic-gate **	words except the first are passed through the macro
3837c478bd9Sstevel@tonic-gate **	processor.
3847c478bd9Sstevel@tonic-gate */
3857c478bd9Sstevel@tonic-gate 
3867c478bd9Sstevel@tonic-gate struct mailer
3877c478bd9Sstevel@tonic-gate {
3887c478bd9Sstevel@tonic-gate 	char	*m_name;	/* symbolic name of this mailer */
3897c478bd9Sstevel@tonic-gate 	char	*m_mailer;	/* pathname of the mailer to use */
3907c478bd9Sstevel@tonic-gate 	char	*m_mtatype;	/* type of this MTA */
3917c478bd9Sstevel@tonic-gate 	char	*m_addrtype;	/* type for addresses */
3927c478bd9Sstevel@tonic-gate 	char	*m_diagtype;	/* type for diagnostics */
3937c478bd9Sstevel@tonic-gate 	BITMAP256 m_flags;	/* status flags, see below */
3947c478bd9Sstevel@tonic-gate 	short	m_mno;		/* mailer number internally */
3957c478bd9Sstevel@tonic-gate 	short	m_nice;		/* niceness to run at (mostly for prog) */
3967c478bd9Sstevel@tonic-gate 	char	**m_argv;	/* template argument vector */
3977c478bd9Sstevel@tonic-gate 	short	m_sh_rwset;	/* rewrite set: sender header addresses */
3987c478bd9Sstevel@tonic-gate 	short	m_se_rwset;	/* rewrite set: sender envelope addresses */
3997c478bd9Sstevel@tonic-gate 	short	m_rh_rwset;	/* rewrite set: recipient header addresses */
4007c478bd9Sstevel@tonic-gate 	short	m_re_rwset;	/* rewrite set: recipient envelope addresses */
4017c478bd9Sstevel@tonic-gate 	char	*m_eol;		/* end of line string */
4027c478bd9Sstevel@tonic-gate 	long	m_maxsize;	/* size limit on message to this mailer */
4037c478bd9Sstevel@tonic-gate 	int	m_linelimit;	/* max # characters per line */
4047c478bd9Sstevel@tonic-gate 	int	m_maxdeliveries; /* max deliveries per mailer connection */
4057c478bd9Sstevel@tonic-gate 	char	*m_execdir;	/* directory to chdir to before execv */
4067c478bd9Sstevel@tonic-gate 	char	*m_rootdir;	/* directory to chroot to before execv */
4077c478bd9Sstevel@tonic-gate 	uid_t	m_uid;		/* UID to run as */
4087c478bd9Sstevel@tonic-gate 	gid_t	m_gid;		/* GID to run as */
4097c478bd9Sstevel@tonic-gate 	char	*m_defcharset;	/* default character set */
4107c478bd9Sstevel@tonic-gate 	time_t	m_wait;		/* timeout to wait for end */
4117c478bd9Sstevel@tonic-gate 	int	m_maxrcpt;	/* max recipients per envelope client-side */
4127c478bd9Sstevel@tonic-gate 	short	m_qgrp;		/* queue group for this mailer */
4137c478bd9Sstevel@tonic-gate };
4147c478bd9Sstevel@tonic-gate 
4157c478bd9Sstevel@tonic-gate /* bits for m_flags */
4167c478bd9Sstevel@tonic-gate #define M_ESMTP		'a'	/* run Extended SMTP */
4177c478bd9Sstevel@tonic-gate #define M_ALIASABLE	'A'	/* user can be LHS of an alias */
4187c478bd9Sstevel@tonic-gate #define M_BLANKEND	'b'	/* ensure blank line at end of message */
4197c478bd9Sstevel@tonic-gate #define M_STRIPBACKSL	'B'	/* strip all leading backslashes from user */
4207c478bd9Sstevel@tonic-gate #define M_NOCOMMENT	'c'	/* don't include comment part of address */
4217c478bd9Sstevel@tonic-gate #define M_CANONICAL	'C'	/* make addresses canonical "u@dom" */
4227c478bd9Sstevel@tonic-gate #define M_NOBRACKET	'd'	/* never angle bracket envelope route-addrs */
4237c478bd9Sstevel@tonic-gate 		/*	'D'	   CF: include Date: */
4247c478bd9Sstevel@tonic-gate #define M_EXPENSIVE	'e'	/* it costs to use this mailer.... */
4257c478bd9Sstevel@tonic-gate #define M_ESCFROM	'E'	/* escape From lines to >From */
4267c478bd9Sstevel@tonic-gate #define M_FOPT		'f'	/* mailer takes picky -f flag */
4277c478bd9Sstevel@tonic-gate 		/*	'F'	   CF: include From: or Resent-From: */
4287c478bd9Sstevel@tonic-gate #define M_NO_NULL_FROM	'g'	/* sender of errors should be $g */
4297c478bd9Sstevel@tonic-gate #define M_HST_UPPER	'h'	/* preserve host case distinction */
4307c478bd9Sstevel@tonic-gate #define M_PREHEAD	'H'	/* MAIL11V3: preview headers */
4317c478bd9Sstevel@tonic-gate #define M_UDBENVELOPE	'i'	/* do udbsender rewriting on envelope */
4327c478bd9Sstevel@tonic-gate #define M_INTERNAL	'I'	/* SMTP to another sendmail site */
4337c478bd9Sstevel@tonic-gate #define M_UDBRECIPIENT	'j'	/* do udbsender rewriting on recipient lines */
4347c478bd9Sstevel@tonic-gate #define M_NOLOOPCHECK	'k'	/* don't check for loops in HELO command */
4357c478bd9Sstevel@tonic-gate #define M_CHUNKING	'K'	/* CHUNKING: reserved for future use */
4367c478bd9Sstevel@tonic-gate #define M_LOCALMAILER	'l'	/* delivery is to this host */
4377c478bd9Sstevel@tonic-gate #define M_LIMITS	'L'	/* must enforce SMTP line limits */
4387c478bd9Sstevel@tonic-gate #define M_MUSER		'm'	/* can handle multiple users at once */
4397c478bd9Sstevel@tonic-gate 		/*	'M'	   CF: include Message-Id: */
4407c478bd9Sstevel@tonic-gate #define M_NHDR		'n'	/* don't insert From line */
4417c478bd9Sstevel@tonic-gate #define M_MANYSTATUS	'N'	/* MAIL11V3: DATA returns multi-status */
4427c478bd9Sstevel@tonic-gate #define M_RUNASRCPT	'o'	/* always run mailer as recipient */
4437c478bd9Sstevel@tonic-gate #define M_FROMPATH	'p'	/* use reverse-path in MAIL FROM: */
4447c478bd9Sstevel@tonic-gate 		/*	'P'	   CF: include Return-Path: */
4457c478bd9Sstevel@tonic-gate #define M_VRFY250	'q'	/* VRFY command returns 250 instead of 252 */
4467c478bd9Sstevel@tonic-gate #define M_ROPT		'r'	/* mailer takes picky -r flag */
4477c478bd9Sstevel@tonic-gate #define M_SECURE_PORT	'R'	/* try to send on a reserved TCP port */
4487c478bd9Sstevel@tonic-gate #define M_STRIPQ	's'	/* strip quote chars from user/host */
4497c478bd9Sstevel@tonic-gate #define M_SPECIFIC_UID	'S'	/* run as specific uid/gid */
4507c478bd9Sstevel@tonic-gate #define M_USR_UPPER	'u'	/* preserve user case distinction */
4517c478bd9Sstevel@tonic-gate #define M_UGLYUUCP	'U'	/* this wants an ugly UUCP from line */
4527c478bd9Sstevel@tonic-gate #define M_CONTENT_LEN	'v'	/* add Content-Length: header (SVr4) */
4537c478bd9Sstevel@tonic-gate 		/*	'V'	   UIUC: !-relativize all addresses */
4547c478bd9Sstevel@tonic-gate #define M_HASPWENT	'w'	/* check for /etc/passwd entry */
4557c478bd9Sstevel@tonic-gate #define M_NOHOSTSTAT	'W'	/* ignore long term host status information */
4567c478bd9Sstevel@tonic-gate 		/*	'x'	   CF: include Full-Name: */
4577c478bd9Sstevel@tonic-gate #define M_XDOT		'X'	/* use hidden-dot algorithm */
4587c478bd9Sstevel@tonic-gate #define M_LMTP		'z'	/* run Local Mail Transport Protocol */
4597c478bd9Sstevel@tonic-gate #define M_DIALDELAY	'Z'	/* apply dial delay sleeptime */
4607c478bd9Sstevel@tonic-gate #define M_NOMX		'0'	/* turn off MX lookups */
4617c478bd9Sstevel@tonic-gate #define M_NONULLS	'1'	/* don't send null bytes */
4627c478bd9Sstevel@tonic-gate #define M_FSMTP		'2'	/* force SMTP (no ESMTP even if offered) */
4637c478bd9Sstevel@tonic-gate #define M_EBCDIC	'3'	/* extend Q-P encoding for EBCDIC */
4647c478bd9Sstevel@tonic-gate #define M_TRYRULESET5	'5'	/* use ruleset 5 after local aliasing */
4657c478bd9Sstevel@tonic-gate #define M_7BITHDRS	'6'	/* strip headers to 7 bits even in 8 bit path */
4667c478bd9Sstevel@tonic-gate #define M_7BITS		'7'	/* use 7-bit path */
4677c478bd9Sstevel@tonic-gate #define M_8BITS		'8'	/* force "just send 8" behaviour */
4687c478bd9Sstevel@tonic-gate #define M_MAKE8BIT	'9'	/* convert 7 -> 8 bit if appropriate */
4697c478bd9Sstevel@tonic-gate #define M_CHECKINCLUDE	':'	/* check for :include: files */
4707c478bd9Sstevel@tonic-gate #define M_CHECKPROG	'|'	/* check for |program addresses */
4717c478bd9Sstevel@tonic-gate #define M_CHECKFILE	'/'	/* check for /file addresses */
4727c478bd9Sstevel@tonic-gate #define M_CHECKUDB	'@'	/* user can be user database key */
4737c478bd9Sstevel@tonic-gate #define M_CHECKHDIR	'~'	/* SGI: check for valid home directory */
4747c478bd9Sstevel@tonic-gate #define M_HOLD		'%'	/* Hold delivery until ETRN/-qI/-qR/-qS */
4757c478bd9Sstevel@tonic-gate #define M_PLUS		'+'	/* Reserved: Used in mc for adding new flags */
4767c478bd9Sstevel@tonic-gate #define M_MINUS		'-'	/* Reserved: Used in mc for removing flags */
4777c478bd9Sstevel@tonic-gate 
4787c478bd9Sstevel@tonic-gate /* functions */
4797c478bd9Sstevel@tonic-gate extern void	initerrmailers __P((void));
4807c478bd9Sstevel@tonic-gate extern void	makemailer __P((char *));
4817c478bd9Sstevel@tonic-gate extern void	makequeue __P((char *, bool));
4827c478bd9Sstevel@tonic-gate extern void	runqueueevent __P((int));
4837c478bd9Sstevel@tonic-gate #if _FFR_QUEUE_RUN_PARANOIA
4847c478bd9Sstevel@tonic-gate extern bool	checkqueuerunner __P((void));
4857c478bd9Sstevel@tonic-gate #endif /* _FFR_QUEUE_RUN_PARANOIA */
4867c478bd9Sstevel@tonic-gate 
4877c478bd9Sstevel@tonic-gate EXTERN MAILER	*FileMailer;	/* ptr to *file* mailer */
4887c478bd9Sstevel@tonic-gate EXTERN MAILER	*InclMailer;	/* ptr to *include* mailer */
4897c478bd9Sstevel@tonic-gate EXTERN MAILER	*LocalMailer;	/* ptr to local mailer */
4907c478bd9Sstevel@tonic-gate EXTERN MAILER	*ProgMailer;	/* ptr to program mailer */
4917c478bd9Sstevel@tonic-gate EXTERN MAILER	*Mailer[MAXMAILERS + 1];
4927c478bd9Sstevel@tonic-gate 
4937c478bd9Sstevel@tonic-gate /*
4947c478bd9Sstevel@tonic-gate **  Queue group definition structure.
4957c478bd9Sstevel@tonic-gate **	Every queue group known to the system is declared in this structure.
4967c478bd9Sstevel@tonic-gate **	It defines the basic pathname of the queue group, some flags
4977c478bd9Sstevel@tonic-gate **	associated with it, and the argument vector to pass to it.
4987c478bd9Sstevel@tonic-gate */
4997c478bd9Sstevel@tonic-gate 
5007c478bd9Sstevel@tonic-gate struct qpaths_s
5017c478bd9Sstevel@tonic-gate {
5027c478bd9Sstevel@tonic-gate 	char	*qp_name;	/* name of queue dir, relative path */
5037c478bd9Sstevel@tonic-gate 	short	qp_subdirs;	/* use subdirs? */
5047c478bd9Sstevel@tonic-gate 	short	qp_fsysidx;	/* file system index of this directory */
5057c478bd9Sstevel@tonic-gate # if SM_CONF_SHM
5067c478bd9Sstevel@tonic-gate 	int	qp_idx;		/* index into array for queue information */
5077c478bd9Sstevel@tonic-gate # endif /* SM_CONF_SHM */
5087c478bd9Sstevel@tonic-gate };
5097c478bd9Sstevel@tonic-gate 
5107c478bd9Sstevel@tonic-gate typedef struct qpaths_s QPATHS;
5117c478bd9Sstevel@tonic-gate 
5127c478bd9Sstevel@tonic-gate struct queuegrp
5137c478bd9Sstevel@tonic-gate {
5147c478bd9Sstevel@tonic-gate 	char	*qg_name;	/* symbolic name of this queue group */
5157c478bd9Sstevel@tonic-gate 
5167c478bd9Sstevel@tonic-gate 	/*
5177c478bd9Sstevel@tonic-gate 	**  For now this is the same across all queue groups.
5187c478bd9Sstevel@tonic-gate 	**  Otherwise we have to play around with chdir().
5197c478bd9Sstevel@tonic-gate 	*/
5207c478bd9Sstevel@tonic-gate 
5217c478bd9Sstevel@tonic-gate 	char	*qg_qdir;	/* common component of queue directory */
5227c478bd9Sstevel@tonic-gate 	short	qg_index;	/* queue number internally, index in Queue[] */
5237c478bd9Sstevel@tonic-gate 	int	qg_maxqrun;	/* max # of jobs in 1 queuerun */
5247c478bd9Sstevel@tonic-gate 	int	qg_numqueues;	/* number of queues in this queue */
5257c478bd9Sstevel@tonic-gate 
5267c478bd9Sstevel@tonic-gate 	/*
5277c478bd9Sstevel@tonic-gate 	**  qg_queueintvl == 0 denotes that no individual value is used.
5287c478bd9Sstevel@tonic-gate 	**  Whatever accesses this must deal with "<= 0" as
5297c478bd9Sstevel@tonic-gate 	**  "not set, use appropriate default".
5307c478bd9Sstevel@tonic-gate 	*/
5317c478bd9Sstevel@tonic-gate 
5327c478bd9Sstevel@tonic-gate 	time_t	qg_queueintvl;	/* interval for queue runs */
5337c478bd9Sstevel@tonic-gate 	QPATHS	*qg_qpaths;	/* list of queue directories */
5347c478bd9Sstevel@tonic-gate 	BITMAP256 qg_flags;	/* status flags, see below */
5357c478bd9Sstevel@tonic-gate 	short	qg_nice;	/* niceness for queue run */
5367c478bd9Sstevel@tonic-gate 	int	qg_wgrp;	/* Assigned to this work group */
5377c478bd9Sstevel@tonic-gate 	int     qg_maxlist;	/* max items in work queue for this group */
5387c478bd9Sstevel@tonic-gate 	int     qg_curnum;	/* current number of queue for queue runs */
5397c478bd9Sstevel@tonic-gate 	int	qg_maxrcpt;	/* max recipients per envelope, 0==no limit */
5407c478bd9Sstevel@tonic-gate 
5417c478bd9Sstevel@tonic-gate 	time_t	qg_nextrun;	/* time for next queue runs */
5427c478bd9Sstevel@tonic-gate #if _FFR_QUEUE_GROUP_SORTORDER
5437c478bd9Sstevel@tonic-gate 	short	qg_sortorder;	/* how do we sort this queuerun */
5447c478bd9Sstevel@tonic-gate #endif /* _FFR_QUEUE_GROUP_SORTORDER */
5457c478bd9Sstevel@tonic-gate #if 0
5467c478bd9Sstevel@tonic-gate 	long	qg_wkrcptfact;	/* multiplier for # recipients -> priority */
5477c478bd9Sstevel@tonic-gate 	long	qg_qfactor;	/* slope of queue function */
5487c478bd9Sstevel@tonic-gate 	bool	qg_doqueuerun;	/* XXX flag is it time to do a queuerun */
5497c478bd9Sstevel@tonic-gate #endif /* 0 */
5507c478bd9Sstevel@tonic-gate };
5517c478bd9Sstevel@tonic-gate 
5527c478bd9Sstevel@tonic-gate /* bits for qg_flags (XXX: unused as of now) */
5537c478bd9Sstevel@tonic-gate #define QD_DEFINED	((char) 1)	/* queue group has been defined */
5547c478bd9Sstevel@tonic-gate #define QD_FORK		'f'	/* fork queue runs */
5557c478bd9Sstevel@tonic-gate 
5567c478bd9Sstevel@tonic-gate extern void	filesys_update __P((void));
5577c478bd9Sstevel@tonic-gate #if _FFR_ANY_FREE_FS
5587c478bd9Sstevel@tonic-gate extern bool	filesys_free __P((long));
5597c478bd9Sstevel@tonic-gate #endif /* _FFR_ANY_FREE_FS */
5607c478bd9Sstevel@tonic-gate 
5617c478bd9Sstevel@tonic-gate #if SASL
5627c478bd9Sstevel@tonic-gate /*
5637c478bd9Sstevel@tonic-gate **  SASL
5647c478bd9Sstevel@tonic-gate */
5657c478bd9Sstevel@tonic-gate 
5667c478bd9Sstevel@tonic-gate /* lines in authinfo file or index into SASL_AI_T */
5677c478bd9Sstevel@tonic-gate # define SASL_WRONG	(-1)
5687c478bd9Sstevel@tonic-gate # define SASL_USER	0	/* authorization id (user) */
5697c478bd9Sstevel@tonic-gate # define SASL_AUTHID	1	/* authentication id */
5707c478bd9Sstevel@tonic-gate # define SASL_PASSWORD	2	/* password fuer authid */
5717c478bd9Sstevel@tonic-gate # define SASL_DEFREALM	3	/* realm to use */
5727c478bd9Sstevel@tonic-gate # define SASL_MECHLIST	4	/* list of mechanisms to try */
5737c478bd9Sstevel@tonic-gate # define SASL_ID_REALM	5	/* authid@defrealm */
5747c478bd9Sstevel@tonic-gate 
5757c478bd9Sstevel@tonic-gate /*
5767c478bd9Sstevel@tonic-gate **  Current mechanism; this is just used to convey information between
5777c478bd9Sstevel@tonic-gate **  invocation of SASL callback functions.
5787c478bd9Sstevel@tonic-gate **  It must be last in the list, because it's not allocated by us
5797c478bd9Sstevel@tonic-gate **  and hence we don't free() it.
5807c478bd9Sstevel@tonic-gate */
5817c478bd9Sstevel@tonic-gate # define SASL_MECH	6
5827c478bd9Sstevel@tonic-gate # define SASL_ENTRIES	7	/* number of entries in array */
5837c478bd9Sstevel@tonic-gate 
5847c478bd9Sstevel@tonic-gate # define SASL_USER_BIT		(1 << SASL_USER)
5857c478bd9Sstevel@tonic-gate # define SASL_AUTHID_BIT	(1 << SASL_AUTHID)
5867c478bd9Sstevel@tonic-gate # define SASL_PASSWORD_BIT	(1 << SASL_PASSWORD)
5877c478bd9Sstevel@tonic-gate # define SASL_DEFREALM_BIT	(1 << SASL_DEFREALM)
5887c478bd9Sstevel@tonic-gate # define SASL_MECHLIST_BIT	(1 << SASL_MECHLIST)
5897c478bd9Sstevel@tonic-gate 
5907c478bd9Sstevel@tonic-gate /* authenticated? */
5917c478bd9Sstevel@tonic-gate # define SASL_NOT_AUTH	0		/* not authenticated */
5927c478bd9Sstevel@tonic-gate # define SASL_PROC_AUTH	1		/* in process of authenticating */
5937c478bd9Sstevel@tonic-gate # define SASL_IS_AUTH	2		/* authenticated */
5947c478bd9Sstevel@tonic-gate 
5957c478bd9Sstevel@tonic-gate /* SASL options */
5967c478bd9Sstevel@tonic-gate # define SASL_AUTH_AUTH	0x1000		/* use auth= only if authenticated */
5977c478bd9Sstevel@tonic-gate # if SASL >= 20101
5987c478bd9Sstevel@tonic-gate #  define SASL_SEC_MASK	SASL_SEC_MAXIMUM /* mask for SASL_SEC_* values: sasl.h */
5997c478bd9Sstevel@tonic-gate # else /* SASL >= 20101 */
6007c478bd9Sstevel@tonic-gate #  define SASL_SEC_MASK	0x0fff		/* mask for SASL_SEC_* values: sasl.h */
6017c478bd9Sstevel@tonic-gate #  if (SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 || \
6027c478bd9Sstevel@tonic-gate 	(SASL_SEC_NOACTIVE & SASL_SEC_MASK) == 0 || \
6037c478bd9Sstevel@tonic-gate 	(SASL_SEC_NODICTIONARY & SASL_SEC_MASK) == 0 || \
6047c478bd9Sstevel@tonic-gate 	(SASL_SEC_FORWARD_SECRECY & SASL_SEC_MASK) == 0 || \
6057c478bd9Sstevel@tonic-gate 	(SASL_SEC_NOANONYMOUS & SASL_SEC_MASK) == 0 || \
6067c478bd9Sstevel@tonic-gate 	(SASL_SEC_PASS_CREDENTIALS & SASL_SEC_MASK) == 0
6077c478bd9Sstevel@tonic-gate ERROR: change SASL_SEC_MASK_ notify sendmail.org!
6087c478bd9Sstevel@tonic-gate #  endif /* SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 ... */
6097c478bd9Sstevel@tonic-gate # endif /* SASL >= 20101 */
610*e9af4bc0SJohn Beck # define MAXOUTLEN 8192	/* length of output buffer, should be 2^n */
6117c478bd9Sstevel@tonic-gate 
6127c478bd9Sstevel@tonic-gate /* functions */
6137c478bd9Sstevel@tonic-gate extern char	*intersect __P((char *, char *, SM_RPOOL_T *));
6147c478bd9Sstevel@tonic-gate extern char	*iteminlist __P((char *, char *, char *));
6157c478bd9Sstevel@tonic-gate # if SASL >= 20000
6167c478bd9Sstevel@tonic-gate extern int	proxy_policy __P((sasl_conn_t *, void *, const char *, unsigned, const char *, unsigned, const char *, unsigned, struct propctx *));
6177c478bd9Sstevel@tonic-gate extern int	safesaslfile __P((void *, const char *, sasl_verify_type_t));
6187c478bd9Sstevel@tonic-gate # else /* SASL >= 20000 */
6197c478bd9Sstevel@tonic-gate extern int	proxy_policy __P((void *, const char *, const char *, const char **, const char **));
6207c478bd9Sstevel@tonic-gate #  if SASL > 10515
6217c478bd9Sstevel@tonic-gate extern int	safesaslfile __P((void *, char *, int));
6227c478bd9Sstevel@tonic-gate #  else /* SASL > 10515 */
6237c478bd9Sstevel@tonic-gate extern int	safesaslfile __P((void *, char *));
6247c478bd9Sstevel@tonic-gate #  endif /* SASL > 10515 */
6257c478bd9Sstevel@tonic-gate # endif /* SASL >= 20000 */
6267c478bd9Sstevel@tonic-gate extern void	stop_sasl_client __P((void));
6277c478bd9Sstevel@tonic-gate 
6287c478bd9Sstevel@tonic-gate /* structure to store authinfo */
6297c478bd9Sstevel@tonic-gate typedef char *SASL_AI_T[SASL_ENTRIES];
6307c478bd9Sstevel@tonic-gate 
6317c478bd9Sstevel@tonic-gate EXTERN char	*AuthMechanisms;	/* AUTH mechanisms */
6327c478bd9Sstevel@tonic-gate EXTERN char	*AuthRealm;	/* AUTH realm */
6337c478bd9Sstevel@tonic-gate EXTERN char	*SASLInfo;	/* file with AUTH info */
6347c478bd9Sstevel@tonic-gate EXTERN int	SASLOpts;	/* options for SASL */
6357c478bd9Sstevel@tonic-gate EXTERN int	MaxSLBits;	/* max. encryption bits for SASL */
6367c478bd9Sstevel@tonic-gate #endif /* SASL */
6377c478bd9Sstevel@tonic-gate 
6387c478bd9Sstevel@tonic-gate /*
6397c478bd9Sstevel@tonic-gate **  Structure to store macros.
6407c478bd9Sstevel@tonic-gate */
6417c478bd9Sstevel@tonic-gate typedef struct
6427c478bd9Sstevel@tonic-gate {
6437c478bd9Sstevel@tonic-gate 	SM_RPOOL_T	*mac_rpool;		/* resource pool */
6447c478bd9Sstevel@tonic-gate 	BITMAP256	mac_allocated;		/* storage has been alloc()? */
6457c478bd9Sstevel@tonic-gate 	char		*mac_table[MAXMACROID + 1];	/* macros */
6467c478bd9Sstevel@tonic-gate } MACROS_T;
6477c478bd9Sstevel@tonic-gate 
6487c478bd9Sstevel@tonic-gate EXTERN MACROS_T		GlobalMacros;
6497c478bd9Sstevel@tonic-gate 
6507c478bd9Sstevel@tonic-gate /*
6517c478bd9Sstevel@tonic-gate **  Information about currently open connections to mailers, or to
6527c478bd9Sstevel@tonic-gate **  hosts that we have looked up recently.
6537c478bd9Sstevel@tonic-gate */
6547c478bd9Sstevel@tonic-gate 
6557c478bd9Sstevel@tonic-gate #define MCI		struct mailer_con_info
6567c478bd9Sstevel@tonic-gate 
6577c478bd9Sstevel@tonic-gate MCI
6587c478bd9Sstevel@tonic-gate {
6597c478bd9Sstevel@tonic-gate 	unsigned long	mci_flags;	/* flag bits, see below */
6607c478bd9Sstevel@tonic-gate 	short		mci_errno;	/* error number on last connection */
6617c478bd9Sstevel@tonic-gate 	short		mci_herrno;	/* h_errno from last DNS lookup */
6627c478bd9Sstevel@tonic-gate 	short		mci_exitstat;	/* exit status from last connection */
6637c478bd9Sstevel@tonic-gate 	short		mci_state;	/* SMTP state */
6647c478bd9Sstevel@tonic-gate 	int		mci_deliveries;	/* delivery attempts for connection */
6657c478bd9Sstevel@tonic-gate 	long		mci_maxsize;	/* max size this server will accept */
6667c478bd9Sstevel@tonic-gate 	SM_FILE_T	*mci_in;	/* input side of connection */
6677c478bd9Sstevel@tonic-gate 	SM_FILE_T	*mci_out;	/* output side of connection */
6687c478bd9Sstevel@tonic-gate 	pid_t		mci_pid;	/* process id of subordinate proc */
6697c478bd9Sstevel@tonic-gate 	char		*mci_phase;	/* SMTP phase string */
6707c478bd9Sstevel@tonic-gate 	struct mailer	*mci_mailer;	/* ptr to the mailer for this conn */
6717c478bd9Sstevel@tonic-gate 	char		*mci_host;	/* host name */
6727c478bd9Sstevel@tonic-gate 	char		*mci_status;	/* DSN status to be copied to addrs */
6737c478bd9Sstevel@tonic-gate 	char		*mci_rstatus;	/* SMTP status to be copied to addrs */
6747c478bd9Sstevel@tonic-gate 	time_t		mci_lastuse;	/* last usage time */
6757c478bd9Sstevel@tonic-gate 	SM_FILE_T	*mci_statfile;	/* long term status file */
6767c478bd9Sstevel@tonic-gate 	char		*mci_heloname;	/* name to use as HELO arg */
6777c478bd9Sstevel@tonic-gate 	long		mci_min_by;	/* minimum DELIVERBY */
6787c478bd9Sstevel@tonic-gate 	bool		mci_retryrcpt;	/* tempfail for at least one rcpt */
6797c478bd9Sstevel@tonic-gate 	char		*mci_tolist;	/* list of valid recipients */
6807c478bd9Sstevel@tonic-gate 	SM_RPOOL_T	*mci_rpool;	/* resource pool */
6817c478bd9Sstevel@tonic-gate #if PIPELINING
6827c478bd9Sstevel@tonic-gate 	int		mci_okrcpts;	/* number of valid recipients */
6837c478bd9Sstevel@tonic-gate 	ADDRESS		*mci_nextaddr;	/* next address for pipelined status */
6847c478bd9Sstevel@tonic-gate #endif /* PIPELINING */
6857c478bd9Sstevel@tonic-gate #if SASL
6867c478bd9Sstevel@tonic-gate 	SASL_AI_T	mci_sai;	/* authentication info */
6877c478bd9Sstevel@tonic-gate 	bool		mci_sasl_auth;	/* authenticated? */
6887c478bd9Sstevel@tonic-gate 	int		mci_sasl_string_len;
6897c478bd9Sstevel@tonic-gate 	char		*mci_sasl_string;	/* sasl reply string */
6907c478bd9Sstevel@tonic-gate 	char		*mci_saslcap;	/* SASL list of mechanisms */
6917c478bd9Sstevel@tonic-gate 	sasl_conn_t	*mci_conn;	/* SASL connection */
6927c478bd9Sstevel@tonic-gate #endif /* SASL */
6937c478bd9Sstevel@tonic-gate #if STARTTLS
6947c478bd9Sstevel@tonic-gate 	SSL		*mci_ssl;	/* SSL connection */
6957c478bd9Sstevel@tonic-gate #endif /* STARTTLS */
6967c478bd9Sstevel@tonic-gate 	MACROS_T	mci_macro;	/* macro definitions */
6977c478bd9Sstevel@tonic-gate };
6987c478bd9Sstevel@tonic-gate 
6997c478bd9Sstevel@tonic-gate 
7007c478bd9Sstevel@tonic-gate /* flag bits */
7017c478bd9Sstevel@tonic-gate #define MCIF_VALID	0x00000001	/* this entry is valid */
7027c478bd9Sstevel@tonic-gate /* 0x00000002 unused, was MCIF_TEMP */
7037c478bd9Sstevel@tonic-gate #define MCIF_CACHED	0x00000004	/* currently in open cache */
7047c478bd9Sstevel@tonic-gate #define MCIF_ESMTP	0x00000008	/* this host speaks ESMTP */
7057c478bd9Sstevel@tonic-gate #define MCIF_EXPN	0x00000010	/* EXPN command supported */
7067c478bd9Sstevel@tonic-gate #define MCIF_SIZE	0x00000020	/* SIZE option supported */
7077c478bd9Sstevel@tonic-gate #define MCIF_8BITMIME	0x00000040	/* BODY=8BITMIME supported */
7087c478bd9Sstevel@tonic-gate #define MCIF_7BIT	0x00000080	/* strip this message to 7 bits */
7097c478bd9Sstevel@tonic-gate /* 0x00000100 unused, was MCIF_MULTSTAT: MAIL11V3: handles MULT status */
7107c478bd9Sstevel@tonic-gate #define MCIF_INHEADER	0x00000200	/* currently outputing header */
7117c478bd9Sstevel@tonic-gate #define MCIF_CVT8TO7	0x00000400	/* convert from 8 to 7 bits */
7127c478bd9Sstevel@tonic-gate #define MCIF_DSN	0x00000800	/* DSN extension supported */
7137c478bd9Sstevel@tonic-gate #define MCIF_8BITOK	0x00001000	/* OK to send 8 bit characters */
7147c478bd9Sstevel@tonic-gate #define MCIF_CVT7TO8	0x00002000	/* convert from 7 to 8 bits */
7157c478bd9Sstevel@tonic-gate #define MCIF_INMIME	0x00004000	/* currently reading MIME header */
7167c478bd9Sstevel@tonic-gate #define MCIF_AUTH	0x00008000	/* AUTH= supported */
7177c478bd9Sstevel@tonic-gate #define MCIF_AUTHACT	0x00010000	/* SASL (AUTH) active */
7187c478bd9Sstevel@tonic-gate #define MCIF_ENHSTAT	0x00020000	/* ENHANCEDSTATUSCODES supported */
7197c478bd9Sstevel@tonic-gate #define MCIF_PIPELINED	0x00040000	/* PIPELINING supported */
7207c478bd9Sstevel@tonic-gate #define MCIF_VERB	0x00080000	/* VERB supported */
7217c478bd9Sstevel@tonic-gate #if STARTTLS
7227c478bd9Sstevel@tonic-gate #define MCIF_TLS	0x00100000	/* STARTTLS supported */
7237c478bd9Sstevel@tonic-gate #define MCIF_TLSACT	0x00200000	/* STARTTLS active */
7247c478bd9Sstevel@tonic-gate #define MCIF_EXTENS	(MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS)
7257c478bd9Sstevel@tonic-gate #else /* STARTTLS */
7267c478bd9Sstevel@tonic-gate #define MCIF_EXTENS	(MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT)
7277c478bd9Sstevel@tonic-gate #endif /* STARTTLS */
7287c478bd9Sstevel@tonic-gate #define MCIF_DLVR_BY	0x00400000	/* DELIVERBY */
7297c478bd9Sstevel@tonic-gate #if _FFR_IGNORE_EXT_ON_HELO
7307c478bd9Sstevel@tonic-gate # define MCIF_HELO	0x00800000	/* we used HELO: ignore extensions */
7317c478bd9Sstevel@tonic-gate #endif /* _FFR_IGNORE_EXT_ON_HELO */
7327800901eSjbeck #define MCIF_INLONGLINE 0x01000000	/* in the middle of a long line */
7337c478bd9Sstevel@tonic-gate #define MCIF_ONLY_EHLO	0x10000000	/* use only EHLO in smtpinit */
7347c478bd9Sstevel@tonic-gate 
7357c478bd9Sstevel@tonic-gate /* states */
7367c478bd9Sstevel@tonic-gate #define MCIS_CLOSED	0		/* no traffic on this connection */
7377c478bd9Sstevel@tonic-gate #define MCIS_OPENING	1		/* sending initial protocol */
7387c478bd9Sstevel@tonic-gate #define MCIS_OPEN	2		/* open, initial protocol sent */
7397c478bd9Sstevel@tonic-gate #define MCIS_MAIL	3		/* MAIL command sent */
7407c478bd9Sstevel@tonic-gate #define MCIS_RCPT	4		/* RCPT commands being sent */
7417c478bd9Sstevel@tonic-gate #define MCIS_DATA	5		/* DATA command sent */
7427c478bd9Sstevel@tonic-gate #define MCIS_QUITING	6		/* running quit protocol */
7437c478bd9Sstevel@tonic-gate #define MCIS_SSD	7		/* service shutting down */
7447c478bd9Sstevel@tonic-gate #define MCIS_ERROR	8		/* I/O error on connection */
7457c478bd9Sstevel@tonic-gate 
7467c478bd9Sstevel@tonic-gate /* functions */
7477c478bd9Sstevel@tonic-gate extern void	mci_cache __P((MCI *));
7487c478bd9Sstevel@tonic-gate extern void	mci_close __P((MCI *, char *where));
7497c478bd9Sstevel@tonic-gate extern void	mci_dump __P((SM_FILE_T *, MCI *, bool));
7507c478bd9Sstevel@tonic-gate extern void	mci_dump_all __P((SM_FILE_T *, bool));
7517c478bd9Sstevel@tonic-gate extern void	mci_flush __P((bool, MCI *));
7527c478bd9Sstevel@tonic-gate extern MCI	*mci_get __P((char *, MAILER *));
7537c478bd9Sstevel@tonic-gate extern int	mci_lock_host __P((MCI *));
7547c478bd9Sstevel@tonic-gate extern bool	mci_match __P((char *, MAILER *));
7557c478bd9Sstevel@tonic-gate extern int	mci_print_persistent __P((char *, char *));
7567c478bd9Sstevel@tonic-gate extern int	mci_purge_persistent __P((char *, char *));
7577c478bd9Sstevel@tonic-gate extern MCI	**mci_scan __P((MCI *));
7587c478bd9Sstevel@tonic-gate extern void	mci_setstat __P((MCI *, int, char *, char *));
7597c478bd9Sstevel@tonic-gate extern void	mci_store_persistent __P((MCI *));
760058561cbSjbeck extern int	mci_traverse_persistent __P((int (*)(char *, char *), char *));
7617c478bd9Sstevel@tonic-gate extern void	mci_unlock_host __P((MCI *));
7627c478bd9Sstevel@tonic-gate 
7637c478bd9Sstevel@tonic-gate EXTERN int	MaxMciCache;		/* maximum entries in MCI cache */
7647c478bd9Sstevel@tonic-gate EXTERN time_t	MciCacheTimeout;	/* maximum idle time on connections */
7657c478bd9Sstevel@tonic-gate EXTERN time_t	MciInfoTimeout;		/* how long 'til we retry down hosts */
7667c478bd9Sstevel@tonic-gate 
7677c478bd9Sstevel@tonic-gate /*
7687c478bd9Sstevel@tonic-gate **  Header structure.
7697c478bd9Sstevel@tonic-gate **	This structure is used internally to store header items.
7707c478bd9Sstevel@tonic-gate */
7717c478bd9Sstevel@tonic-gate 
7727c478bd9Sstevel@tonic-gate struct header
7737c478bd9Sstevel@tonic-gate {
7747c478bd9Sstevel@tonic-gate 	char		*h_field;	/* the name of the field */
7757c478bd9Sstevel@tonic-gate 	char		*h_value;	/* the value of that field */
7767c478bd9Sstevel@tonic-gate 	struct header	*h_link;	/* the next header */
7777c478bd9Sstevel@tonic-gate 	unsigned char	h_macro;	/* include header if macro defined */
7787c478bd9Sstevel@tonic-gate 	unsigned long	h_flags;	/* status bits, see below */
7797c478bd9Sstevel@tonic-gate 	BITMAP256	h_mflags;	/* m_flags bits needed */
7807c478bd9Sstevel@tonic-gate };
7817c478bd9Sstevel@tonic-gate 
7827c478bd9Sstevel@tonic-gate typedef struct header	HDR;
7837c478bd9Sstevel@tonic-gate 
7847c478bd9Sstevel@tonic-gate /*
7857c478bd9Sstevel@tonic-gate **  Header information structure.
7867c478bd9Sstevel@tonic-gate **	Defined in conf.c, this struct declares the header fields
7877c478bd9Sstevel@tonic-gate **	that have some magic meaning.
7887c478bd9Sstevel@tonic-gate */
7897c478bd9Sstevel@tonic-gate 
7907c478bd9Sstevel@tonic-gate struct hdrinfo
7917c478bd9Sstevel@tonic-gate {
7927c478bd9Sstevel@tonic-gate 	char		*hi_field;	/* the name of the field */
7937c478bd9Sstevel@tonic-gate 	unsigned long	hi_flags;	/* status bits, see below */
7947c478bd9Sstevel@tonic-gate 	char		*hi_ruleset;	/* validity check ruleset */
7957c478bd9Sstevel@tonic-gate };
7967c478bd9Sstevel@tonic-gate 
7977c478bd9Sstevel@tonic-gate extern struct hdrinfo	HdrInfo[];
7987c478bd9Sstevel@tonic-gate 
7997c478bd9Sstevel@tonic-gate /* bits for h_flags and hi_flags */
8007c478bd9Sstevel@tonic-gate #define H_EOH		0x00000001	/* field terminates header */
8017c478bd9Sstevel@tonic-gate #define H_RCPT		0x00000002	/* contains recipient addresses */
8027c478bd9Sstevel@tonic-gate #define H_DEFAULT	0x00000004	/* if another value is found, drop this */
8037c478bd9Sstevel@tonic-gate #define H_RESENT	0x00000008	/* this address is a "Resent-..." address */
8047c478bd9Sstevel@tonic-gate #define H_CHECK		0x00000010	/* check h_mflags against m_flags */
8057c478bd9Sstevel@tonic-gate #define H_ACHECK	0x00000020	/* ditto, but always (not just default) */
8067c478bd9Sstevel@tonic-gate #define H_FORCE		0x00000040	/* force this field, even if default */
8077c478bd9Sstevel@tonic-gate #define H_TRACE		0x00000080	/* this field contains trace information */
8087c478bd9Sstevel@tonic-gate #define H_FROM		0x00000100	/* this is a from-type field */
8097c478bd9Sstevel@tonic-gate #define H_VALID		0x00000200	/* this field has a validated value */
8107c478bd9Sstevel@tonic-gate #define H_RECEIPTTO	0x00000400	/* field has return receipt info */
8117c478bd9Sstevel@tonic-gate #define H_ERRORSTO	0x00000800	/* field has error address info */
8127c478bd9Sstevel@tonic-gate #define H_CTE		0x00001000	/* field is a content-transfer-encoding */
8137c478bd9Sstevel@tonic-gate #define H_CTYPE		0x00002000	/* this is a content-type field */
8147c478bd9Sstevel@tonic-gate #define H_BCC		0x00004000	/* Bcc: header: strip value or delete */
8157c478bd9Sstevel@tonic-gate #define H_ENCODABLE	0x00008000	/* field can be RFC 1522 encoded */
8167c478bd9Sstevel@tonic-gate #define H_STRIPCOMM	0x00010000	/* header check: strip comments */
8177c478bd9Sstevel@tonic-gate #define H_BINDLATE	0x00020000	/* only expand macros at deliver */
8187c478bd9Sstevel@tonic-gate #define H_USER		0x00040000	/* header came from the user/SMTP */
8197c478bd9Sstevel@tonic-gate 
8207c478bd9Sstevel@tonic-gate /* bits for chompheader() */
8217c478bd9Sstevel@tonic-gate #define CHHDR_DEF	0x0001	/* default header */
8227c478bd9Sstevel@tonic-gate #define CHHDR_CHECK	0x0002	/* call ruleset for header */
8237c478bd9Sstevel@tonic-gate #define CHHDR_USER	0x0004	/* header from user */
8247c478bd9Sstevel@tonic-gate #define CHHDR_QUEUE	0x0008	/* header from queue file */
8257c478bd9Sstevel@tonic-gate 
8267c478bd9Sstevel@tonic-gate /* functions */
827058561cbSjbeck extern void	addheader __P((char *, char *, int, ENVELOPE *, bool));
8287c478bd9Sstevel@tonic-gate extern unsigned long	chompheader __P((char *, int, HDR **, ENVELOPE *));
8297800901eSjbeck extern bool	commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *, int));
8307c478bd9Sstevel@tonic-gate extern HDR	*copyheader __P((HDR *, SM_RPOOL_T *));
8317c478bd9Sstevel@tonic-gate extern void	eatheader __P((ENVELOPE *, bool, bool));
8327c478bd9Sstevel@tonic-gate extern char	*hvalue __P((char *, HDR *));
833058561cbSjbeck extern void	insheader __P((int, char *, char *, int, ENVELOPE *, bool));
8347c478bd9Sstevel@tonic-gate extern bool	isheader __P((char *));
835445f2479Sjbeck extern bool	putfromline __P((MCI *, ENVELOPE *));
8367c478bd9Sstevel@tonic-gate extern void	setupheaders __P((void));
8377c478bd9Sstevel@tonic-gate 
8387c478bd9Sstevel@tonic-gate /*
8397c478bd9Sstevel@tonic-gate **  Performance monitoring
8407c478bd9Sstevel@tonic-gate */
8417c478bd9Sstevel@tonic-gate 
8427c478bd9Sstevel@tonic-gate #define TIMERS		struct sm_timers
8437c478bd9Sstevel@tonic-gate 
8447c478bd9Sstevel@tonic-gate TIMERS
8457c478bd9Sstevel@tonic-gate {
8467c478bd9Sstevel@tonic-gate 	TIMER	ti_overall;	/* the whole process */
8477c478bd9Sstevel@tonic-gate };
8487c478bd9Sstevel@tonic-gate 
8497c478bd9Sstevel@tonic-gate 
8507c478bd9Sstevel@tonic-gate #define PUSHTIMER(l, t)	{ if (tTd(98, l)) pushtimer(&t); }
8517c478bd9Sstevel@tonic-gate #define POPTIMER(l, t)	{ if (tTd(98, l)) poptimer(&t); }
8527c478bd9Sstevel@tonic-gate 
8537c478bd9Sstevel@tonic-gate /*
8547c478bd9Sstevel@tonic-gate **  Envelope structure.
8557c478bd9Sstevel@tonic-gate **	This structure defines the message itself.  There is usually
8567c478bd9Sstevel@tonic-gate **	only one of these -- for the message that we originally read
8577c478bd9Sstevel@tonic-gate **	and which is our primary interest -- but other envelopes can
8587c478bd9Sstevel@tonic-gate **	be generated during processing.  For example, error messages
8597c478bd9Sstevel@tonic-gate **	will have their own envelope.
8607c478bd9Sstevel@tonic-gate */
8617c478bd9Sstevel@tonic-gate 
8627c478bd9Sstevel@tonic-gate struct envelope
8637c478bd9Sstevel@tonic-gate {
8647c478bd9Sstevel@tonic-gate 	HDR		*e_header;	/* head of header list */
8657c478bd9Sstevel@tonic-gate 	long		e_msgpriority;	/* adjusted priority of this message */
8667c478bd9Sstevel@tonic-gate 	time_t		e_ctime;	/* time message appeared in the queue */
8677c478bd9Sstevel@tonic-gate 	char		*e_to;		/* (list of) target person(s) */
8687c478bd9Sstevel@tonic-gate 	ADDRESS		e_from;		/* the person it is from */
8697c478bd9Sstevel@tonic-gate 	char		*e_sender;	/* e_from.q_paddr w comments stripped */
8707c478bd9Sstevel@tonic-gate 	char		**e_fromdomain;	/* the domain part of the sender */
8717c478bd9Sstevel@tonic-gate 	ADDRESS		*e_sendqueue;	/* list of message recipients */
8727c478bd9Sstevel@tonic-gate 	ADDRESS		*e_errorqueue;	/* the queue for error responses */
8737c478bd9Sstevel@tonic-gate 
8747c478bd9Sstevel@tonic-gate 	/*
8757c478bd9Sstevel@tonic-gate 	**  Overflow detection is based on < 0, so don't change this
8767c478bd9Sstevel@tonic-gate 	**  to unsigned.  We don't use unsigned and == ULONG_MAX because
8777c478bd9Sstevel@tonic-gate 	**  some libc's don't have strtoul(), see mail_esmtp_args().
8787c478bd9Sstevel@tonic-gate 	*/
8797c478bd9Sstevel@tonic-gate 
8807c478bd9Sstevel@tonic-gate 	long		e_msgsize;	/* size of the message in bytes */
8817c478bd9Sstevel@tonic-gate 	char		*e_msgid;	/* message id (for logging) */
8827c478bd9Sstevel@tonic-gate 	unsigned long	e_flags;	/* flags, see below */
8837c478bd9Sstevel@tonic-gate 	int		e_nrcpts;	/* number of recipients */
8847c478bd9Sstevel@tonic-gate 	short		e_class;	/* msg class (priority, junk, etc.) */
8857c478bd9Sstevel@tonic-gate 	short		e_hopcount;	/* number of times processed */
8867c478bd9Sstevel@tonic-gate 	short		e_nsent;	/* number of sends since checkpoint */
8877c478bd9Sstevel@tonic-gate 	short		e_sendmode;	/* message send mode */
8887c478bd9Sstevel@tonic-gate 	short		e_errormode;	/* error return mode */
8897c478bd9Sstevel@tonic-gate 	short		e_timeoutclass;	/* message timeout class */
890445f2479Sjbeck 	bool		(*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int));
8917c478bd9Sstevel@tonic-gate 					/* function to put header of message */
892445f2479Sjbeck 	bool		(*e_putbody)__P((MCI *, ENVELOPE *, char *));
8937c478bd9Sstevel@tonic-gate 					/* function to put body of message */
8947c478bd9Sstevel@tonic-gate 	ENVELOPE	*e_parent;	/* the message this one encloses */
8957c478bd9Sstevel@tonic-gate 	ENVELOPE	*e_sibling;	/* the next envelope of interest */
8967c478bd9Sstevel@tonic-gate 	char		*e_bodytype;	/* type of message body */
8977c478bd9Sstevel@tonic-gate 	SM_FILE_T	*e_dfp;		/* data file */
8987c478bd9Sstevel@tonic-gate 	char		*e_id;		/* code for this entry in queue */
8997800901eSjbeck #if _FFR_SESSID
9007800901eSjbeck 	char		*e_sessid;	/* session ID for this envelope */
9017800901eSjbeck #endif /* _FFR_SESSID */
9027c478bd9Sstevel@tonic-gate 	int		e_qgrp;		/* queue group (index into queues) */
9037c478bd9Sstevel@tonic-gate 	int		e_qdir;		/* index into queue directories */
9047c478bd9Sstevel@tonic-gate 	int		e_dfqgrp;	/* data file queue group index */
9057c478bd9Sstevel@tonic-gate 	int		e_dfqdir;	/* data file queue directory index */
9067c478bd9Sstevel@tonic-gate 	int		e_xfqgrp;	/* queue group (index into queues) */
9077c478bd9Sstevel@tonic-gate 	int		e_xfqdir;	/* index into queue directories (xf) */
9087c478bd9Sstevel@tonic-gate 	SM_FILE_T	*e_xfp;		/* transcript file */
9097c478bd9Sstevel@tonic-gate 	SM_FILE_T	*e_lockfp;	/* the lock file for this message */
910058561cbSjbeck 	char		*e_message;	/* error message; readonly; NULL,
911058561cbSjbeck 					 * or allocated from e_rpool */
9127c478bd9Sstevel@tonic-gate 	char		*e_statmsg;	/* stat msg (changes per delivery).
9137c478bd9Sstevel@tonic-gate 					 * readonly. NULL or allocated from
9147c478bd9Sstevel@tonic-gate 					 * e_rpool. */
9157c478bd9Sstevel@tonic-gate 	char		*e_quarmsg;	/* why envelope is quarantined */
9167c478bd9Sstevel@tonic-gate 	char		e_qfletter;	/* queue file letter on disk */
9177c478bd9Sstevel@tonic-gate 	char		*e_msgboundary;	/* MIME-style message part boundary */
9187c478bd9Sstevel@tonic-gate 	char		*e_origrcpt;	/* original recipient (one only) */
9197c478bd9Sstevel@tonic-gate 	char		*e_envid;	/* envelope id from MAIL FROM: line */
9207c478bd9Sstevel@tonic-gate 	char		*e_status;	/* DSN status for this message */
9217c478bd9Sstevel@tonic-gate 	time_t		e_dtime;	/* time of last delivery attempt */
9227c478bd9Sstevel@tonic-gate 	int		e_ntries;	/* number of delivery attempts */
9237c478bd9Sstevel@tonic-gate 	dev_t		e_dfdev;	/* data file device (crash recovery) */
9247c478bd9Sstevel@tonic-gate 	ino_t		e_dfino;	/* data file inode (crash recovery) */
9257c478bd9Sstevel@tonic-gate 	MACROS_T	e_macro;	/* macro definitions */
9267c478bd9Sstevel@tonic-gate 	MCI		*e_mci;		/* connection info */
9277c478bd9Sstevel@tonic-gate 	char		*e_auth_param;	/* readonly; NULL or static storage or
9287c478bd9Sstevel@tonic-gate 					 * allocated from e_rpool */
9297c478bd9Sstevel@tonic-gate 	TIMERS		e_timers;	/* per job timers */
9307c478bd9Sstevel@tonic-gate 	long		e_deliver_by;	/* deliver by */
9317c478bd9Sstevel@tonic-gate 	int		e_dlvr_flag;	/* deliver by flag */
9327c478bd9Sstevel@tonic-gate 	SM_RPOOL_T	*e_rpool;	/* resource pool for this envelope */
933058561cbSjbeck 	unsigned int	e_features;	/* server features */
934*e9af4bc0SJohn Beck #if _FFR_MILTER_ENHSC
935*e9af4bc0SJohn Beck #define ENHSC_LEN	11
936*e9af4bc0SJohn Beck 	char		e_enhsc[ENHSC_LEN];	/* enhanced status code */
937*e9af4bc0SJohn Beck #endif /* _FFR_MILTER_ENHSC */
9387c478bd9Sstevel@tonic-gate };
9397c478bd9Sstevel@tonic-gate 
9407c478bd9Sstevel@tonic-gate /* values for e_flags */
9417c478bd9Sstevel@tonic-gate #define EF_OLDSTYLE	0x00000001L	/* use spaces (not commas) in hdrs */
9427c478bd9Sstevel@tonic-gate #define EF_INQUEUE	0x00000002L	/* this message is fully queued */
9437c478bd9Sstevel@tonic-gate #define EF_NO_BODY_RETN	0x00000004L	/* omit message body on error */
9447c478bd9Sstevel@tonic-gate #define EF_CLRQUEUE	0x00000008L	/* disk copy is no longer needed */
9457c478bd9Sstevel@tonic-gate #define EF_SENDRECEIPT	0x00000010L	/* send a return receipt */
9467c478bd9Sstevel@tonic-gate #define EF_FATALERRS	0x00000020L	/* fatal errors occurred */
9477c478bd9Sstevel@tonic-gate #define EF_DELETE_BCC	0x00000040L	/* delete Bcc: headers entirely */
9487c478bd9Sstevel@tonic-gate #define EF_RESPONSE	0x00000080L	/* this is an error or return receipt */
9497c478bd9Sstevel@tonic-gate #define EF_RESENT	0x00000100L	/* this message is being forwarded */
9507c478bd9Sstevel@tonic-gate #define EF_VRFYONLY	0x00000200L	/* verify only (don't expand aliases) */
9517c478bd9Sstevel@tonic-gate #define EF_WARNING	0x00000400L	/* warning message has been sent */
9527c478bd9Sstevel@tonic-gate #define EF_QUEUERUN	0x00000800L	/* this envelope is from queue */
9537c478bd9Sstevel@tonic-gate #define EF_GLOBALERRS	0x00001000L	/* treat errors as global */
9547c478bd9Sstevel@tonic-gate #define EF_PM_NOTIFY	0x00002000L	/* send return mail to postmaster */
9557c478bd9Sstevel@tonic-gate #define EF_METOO	0x00004000L	/* send to me too */
9567c478bd9Sstevel@tonic-gate #define EF_LOGSENDER	0x00008000L	/* need to log the sender */
9577c478bd9Sstevel@tonic-gate #define EF_NORECEIPT	0x00010000L	/* suppress all return-receipts */
9587c478bd9Sstevel@tonic-gate #define EF_HAS8BIT	0x00020000L	/* at least one 8-bit char in body */
9597c478bd9Sstevel@tonic-gate #define EF_NL_NOT_EOL	0x00040000L	/* don't accept raw NL as EOLine */
9607c478bd9Sstevel@tonic-gate #define EF_CRLF_NOT_EOL	0x00080000L	/* don't accept CR-LF as EOLine */
9617c478bd9Sstevel@tonic-gate #define EF_RET_PARAM	0x00100000L	/* RCPT command had RET argument */
9627c478bd9Sstevel@tonic-gate #define EF_HAS_DF	0x00200000L	/* set when data file is instantiated */
9637c478bd9Sstevel@tonic-gate #define EF_IS_MIME	0x00400000L	/* really is a MIME message */
9647c478bd9Sstevel@tonic-gate #define EF_DONT_MIME	0x00800000L	/* never MIME this message */
9657c478bd9Sstevel@tonic-gate #define EF_DISCARD	0x01000000L	/* discard the message */
9667c478bd9Sstevel@tonic-gate #define EF_TOOBIG	0x02000000L	/* message is too big */
9677c478bd9Sstevel@tonic-gate #define EF_SPLIT	0x04000000L	/* envelope has been split */
9687c478bd9Sstevel@tonic-gate #define EF_UNSAFE	0x08000000L	/* unsafe: read from untrusted source */
9693ee0e492Sjbeck #define EF_TOODEEP	0x10000000L	/* message is nested too deep */
9707c478bd9Sstevel@tonic-gate 
9717c478bd9Sstevel@tonic-gate #define DLVR_NOTIFY	0x01
9727c478bd9Sstevel@tonic-gate #define DLVR_RETURN	0x02
9737c478bd9Sstevel@tonic-gate #define DLVR_TRACE	0x10
9747c478bd9Sstevel@tonic-gate #define IS_DLVR_NOTIFY(e)	(((e)->e_dlvr_flag & DLVR_NOTIFY) != 0)
9757c478bd9Sstevel@tonic-gate #define IS_DLVR_RETURN(e)	(((e)->e_dlvr_flag & DLVR_RETURN) != 0)
9767c478bd9Sstevel@tonic-gate #define IS_DLVR_TRACE(e)	(((e)->e_dlvr_flag & DLVR_TRACE) != 0)
9777c478bd9Sstevel@tonic-gate #define IS_DLVR_BY(e)		((e)->e_dlvr_flag != 0)
9787c478bd9Sstevel@tonic-gate 
9797c478bd9Sstevel@tonic-gate #define BODYTYPE_NONE	(0)
9807c478bd9Sstevel@tonic-gate #define BODYTYPE_7BIT	(1)
9817c478bd9Sstevel@tonic-gate #define BODYTYPE_8BITMIME	(2)
9827c478bd9Sstevel@tonic-gate #define BODYTYPE_ILLEGAL	(-1)
9837c478bd9Sstevel@tonic-gate #define BODYTYPE_VALID(b) ((b) == BODYTYPE_7BIT || (b) == BODYTYPE_8BITMIME)
9847c478bd9Sstevel@tonic-gate 
9857c478bd9Sstevel@tonic-gate extern ENVELOPE	BlankEnvelope;
9867c478bd9Sstevel@tonic-gate 
9877c478bd9Sstevel@tonic-gate /* functions */
9887c478bd9Sstevel@tonic-gate extern void	clearenvelope __P((ENVELOPE *, bool, SM_RPOOL_T *));
989*e9af4bc0SJohn Beck extern int	dropenvelope __P((ENVELOPE *, bool, bool));
9907c478bd9Sstevel@tonic-gate extern ENVELOPE	*newenvelope __P((ENVELOPE *, ENVELOPE *, SM_RPOOL_T *));
9917c478bd9Sstevel@tonic-gate extern void	clrsessenvelope __P((ENVELOPE *));
9927c478bd9Sstevel@tonic-gate extern void	printenvflags __P((ENVELOPE *));
993445f2479Sjbeck extern bool	putbody __P((MCI *, ENVELOPE *, char *));
994445f2479Sjbeck extern bool	putheader __P((MCI *, HDR *, ENVELOPE *, int));
9957c478bd9Sstevel@tonic-gate 
9967c478bd9Sstevel@tonic-gate /*
9977c478bd9Sstevel@tonic-gate **  Message priority classes.
9987c478bd9Sstevel@tonic-gate **
9997c478bd9Sstevel@tonic-gate **	The message class is read directly from the Priority: header
10007c478bd9Sstevel@tonic-gate **	field in the message.
10017c478bd9Sstevel@tonic-gate **
10027c478bd9Sstevel@tonic-gate **	CurEnv->e_msgpriority is the number of bytes in the message plus
10037c478bd9Sstevel@tonic-gate **	the creation time (so that jobs ``tend'' to be ordered correctly),
10047c478bd9Sstevel@tonic-gate **	adjusted by the message class, the number of recipients, and the
10057c478bd9Sstevel@tonic-gate **	amount of time the message has been sitting around.  This number
10067c478bd9Sstevel@tonic-gate **	is used to order the queue.  Higher values mean LOWER priority.
10077c478bd9Sstevel@tonic-gate **
10087c478bd9Sstevel@tonic-gate **	Each priority class point is worth WkClassFact priority points;
10097c478bd9Sstevel@tonic-gate **	each recipient is worth WkRecipFact priority points.  Each time
10107c478bd9Sstevel@tonic-gate **	we reprocess a message the priority is adjusted by WkTimeFact.
10117c478bd9Sstevel@tonic-gate **	WkTimeFact should normally decrease the priority so that jobs
10127c478bd9Sstevel@tonic-gate **	that have historically failed will be run later; thanks go to
10137c478bd9Sstevel@tonic-gate **	Jay Lepreau at Utah for pointing out the error in my thinking.
10147c478bd9Sstevel@tonic-gate **
10157c478bd9Sstevel@tonic-gate **	The "class" is this number, unadjusted by the age or size of
10167c478bd9Sstevel@tonic-gate **	this message.  Classes with negative representations will have
10177c478bd9Sstevel@tonic-gate **	error messages thrown away if they are not local.
10187c478bd9Sstevel@tonic-gate */
10197c478bd9Sstevel@tonic-gate 
10207c478bd9Sstevel@tonic-gate struct priority
10217c478bd9Sstevel@tonic-gate {
10227c478bd9Sstevel@tonic-gate 	char	*pri_name;	/* external name of priority */
10237c478bd9Sstevel@tonic-gate 	int	pri_val;	/* internal value for same */
10247c478bd9Sstevel@tonic-gate };
10257c478bd9Sstevel@tonic-gate 
10267c478bd9Sstevel@tonic-gate EXTERN int	NumPriorities;	/* pointer into Priorities */
10277c478bd9Sstevel@tonic-gate EXTERN struct priority	Priorities[MAXPRIORITIES];
10287c478bd9Sstevel@tonic-gate 
10297c478bd9Sstevel@tonic-gate /*
10307c478bd9Sstevel@tonic-gate **  Rewrite rules.
10317c478bd9Sstevel@tonic-gate */
10327c478bd9Sstevel@tonic-gate 
10337c478bd9Sstevel@tonic-gate struct rewrite
10347c478bd9Sstevel@tonic-gate {
10357c478bd9Sstevel@tonic-gate 	char	**r_lhs;	/* pattern match */
10367c478bd9Sstevel@tonic-gate 	char	**r_rhs;	/* substitution value */
10377c478bd9Sstevel@tonic-gate 	struct rewrite	*r_next;/* next in chain */
10387c478bd9Sstevel@tonic-gate 	int	r_line;		/* rule line in sendmail.cf */
10397c478bd9Sstevel@tonic-gate };
10407c478bd9Sstevel@tonic-gate 
10417c478bd9Sstevel@tonic-gate /*
10427c478bd9Sstevel@tonic-gate **  Special characters in rewriting rules.
10437c478bd9Sstevel@tonic-gate **	These are used internally only.
10447c478bd9Sstevel@tonic-gate **	The COND* rules are actually used in macros rather than in
10457c478bd9Sstevel@tonic-gate **		rewriting rules, but are given here because they
10467c478bd9Sstevel@tonic-gate **		cannot conflict.
10477c478bd9Sstevel@tonic-gate */
10487c478bd9Sstevel@tonic-gate 
1049058561cbSjbeck /* "out of band" indicator */
1050058561cbSjbeck /* sm/sendmail.h #define METAQUOTE ((unsigned char)0377) quotes the next octet */
1051058561cbSjbeck 
10527c478bd9Sstevel@tonic-gate /* left hand side items */
10537c478bd9Sstevel@tonic-gate #define MATCHZANY	((unsigned char)0220)	/* match zero or more tokens */
10547c478bd9Sstevel@tonic-gate #define MATCHANY	((unsigned char)0221)	/* match one or more tokens */
10557c478bd9Sstevel@tonic-gate #define MATCHONE	((unsigned char)0222)	/* match exactly one token */
10567c478bd9Sstevel@tonic-gate #define MATCHCLASS	((unsigned char)0223)	/* match one token in a class */
1057058561cbSjbeck #define MATCHNCLASS	((unsigned char)0224)	/* match tokens not in class */
10587c478bd9Sstevel@tonic-gate 
10597c478bd9Sstevel@tonic-gate /* right hand side items */
1060058561cbSjbeck #define MATCHREPL	((unsigned char)0225)	/* RHS replacement for above */
10617c478bd9Sstevel@tonic-gate #define CANONNET	((unsigned char)0226)	/* canonical net, next token */
10627c478bd9Sstevel@tonic-gate #define CANONHOST	((unsigned char)0227)	/* canonical host, next token */
10637c478bd9Sstevel@tonic-gate #define CANONUSER	((unsigned char)0230)	/* canonical user, next N tokens */
10647c478bd9Sstevel@tonic-gate #define CALLSUBR	((unsigned char)0231)	/* call another rewriting set */
10657c478bd9Sstevel@tonic-gate 
1066058561cbSjbeck /* conditionals in macros (anywhere) */
10677c478bd9Sstevel@tonic-gate #define CONDIF		((unsigned char)0232)	/* conditional if-then */
10687c478bd9Sstevel@tonic-gate #define CONDELSE	((unsigned char)0233)	/* conditional else */
10697c478bd9Sstevel@tonic-gate #define CONDFI		((unsigned char)0234)	/* conditional fi */
10707c478bd9Sstevel@tonic-gate 
1071058561cbSjbeck /* bracket characters for RHS host name lookup */
10727c478bd9Sstevel@tonic-gate #define HOSTBEGIN	((unsigned char)0235)	/* hostname lookup begin */
1073058561cbSjbeck #define HOSTEND		((unsigned char)0236)	/* hostname lookup end */
10747c478bd9Sstevel@tonic-gate 
1075058561cbSjbeck /* bracket characters for RHS generalized lookup */
10767c478bd9Sstevel@tonic-gate #define LOOKUPBEGIN	((unsigned char)0205)	/* generalized lookup begin */
10777c478bd9Sstevel@tonic-gate #define LOOKUPEND	((unsigned char)0206)	/* generalized lookup end */
10787c478bd9Sstevel@tonic-gate 
1079058561cbSjbeck /* macro substitution characters (anywhere) */
10807c478bd9Sstevel@tonic-gate #define MACROEXPAND	((unsigned char)0201)	/* macro expansion */
10817c478bd9Sstevel@tonic-gate #define MACRODEXPAND	((unsigned char)0202)	/* deferred macro expansion */
10827c478bd9Sstevel@tonic-gate 
10837c478bd9Sstevel@tonic-gate /* to make the code clearer */
10847c478bd9Sstevel@tonic-gate #define MATCHZERO	CANONHOST
10857c478bd9Sstevel@tonic-gate 
10867c478bd9Sstevel@tonic-gate #define MAXMATCH	9	/* max params per rewrite */
10877c478bd9Sstevel@tonic-gate #define MAX_MAP_ARGS	10	/* max arguments for map */
10887c478bd9Sstevel@tonic-gate 
10897c478bd9Sstevel@tonic-gate /* external <==> internal mapping table */
10907c478bd9Sstevel@tonic-gate struct metamac
10917c478bd9Sstevel@tonic-gate {
10927c478bd9Sstevel@tonic-gate 	char		metaname;	/* external code (after $) */
10937c478bd9Sstevel@tonic-gate 	unsigned char	metaval;	/* internal code (as above) */
10947c478bd9Sstevel@tonic-gate };
10957c478bd9Sstevel@tonic-gate 
10967c478bd9Sstevel@tonic-gate /* values for macros with external names only */
10977c478bd9Sstevel@tonic-gate #define MID_OPMODE	0202	/* operation mode */
10987c478bd9Sstevel@tonic-gate 
10997c478bd9Sstevel@tonic-gate /* functions */
11007c478bd9Sstevel@tonic-gate #if SM_HEAP_CHECK
11017c478bd9Sstevel@tonic-gate extern void
11027c478bd9Sstevel@tonic-gate macdefine_tagged __P((
11037c478bd9Sstevel@tonic-gate 	MACROS_T *_mac,
11047c478bd9Sstevel@tonic-gate 	ARGCLASS_T _vclass,
11057c478bd9Sstevel@tonic-gate 	int _id,
11067c478bd9Sstevel@tonic-gate 	char *_value,
11077c478bd9Sstevel@tonic-gate 	char *_file,
11087c478bd9Sstevel@tonic-gate 	int _line,
11097c478bd9Sstevel@tonic-gate 	int _group));
11107c478bd9Sstevel@tonic-gate # define macdefine(mac,c,id,v) \
11117c478bd9Sstevel@tonic-gate 	macdefine_tagged(mac,c,id,v,__FILE__,__LINE__,sm_heap_group())
11127c478bd9Sstevel@tonic-gate #else /* SM_HEAP_CHECK */
11137c478bd9Sstevel@tonic-gate extern void
11147c478bd9Sstevel@tonic-gate macdefine __P((
11157c478bd9Sstevel@tonic-gate 	MACROS_T *_mac,
11167c478bd9Sstevel@tonic-gate 	ARGCLASS_T _vclass,
11177c478bd9Sstevel@tonic-gate 	int _id,
11187c478bd9Sstevel@tonic-gate 	char *_value));
11197c478bd9Sstevel@tonic-gate # define macdefine_tagged(mac,c,id,v,file,line,grp) macdefine(mac,c,id,v)
11207c478bd9Sstevel@tonic-gate #endif /* SM_HEAP_CHECK */
11217c478bd9Sstevel@tonic-gate extern void	macset __P((MACROS_T *, int, char *));
11227c478bd9Sstevel@tonic-gate #define macget(mac, i) (mac)->mac_table[i]
11237c478bd9Sstevel@tonic-gate extern void	expand __P((char *, char *, size_t, ENVELOPE *));
11247c478bd9Sstevel@tonic-gate extern int	macid_parse __P((char *, char **));
11257c478bd9Sstevel@tonic-gate #define macid(name)  macid_parse(name, NULL)
11267c478bd9Sstevel@tonic-gate extern char	*macname __P((int));
11277c478bd9Sstevel@tonic-gate extern char	*macvalue __P((int, ENVELOPE *));
1128058561cbSjbeck extern int	rscheck __P((char *, char *, char *, ENVELOPE *, int, int, char *, char *, ADDRESS *));
11297c478bd9Sstevel@tonic-gate extern int	rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int));
11307c478bd9Sstevel@tonic-gate extern void	setclass __P((int, char *));
11317c478bd9Sstevel@tonic-gate extern int	strtorwset __P((char *, char **, int));
1132058561cbSjbeck extern char	*translate_dollars __P((char *, char *, int *));
11337c478bd9Sstevel@tonic-gate extern bool	wordinclass __P((char *, int));
11347c478bd9Sstevel@tonic-gate 
11357c478bd9Sstevel@tonic-gate /*
11367c478bd9Sstevel@tonic-gate **  Name canonification short circuit.
11377c478bd9Sstevel@tonic-gate **
11387c478bd9Sstevel@tonic-gate **	If the name server for a host is down, the process of trying to
11397c478bd9Sstevel@tonic-gate **	canonify the name can hang.  This is similar to (but alas, not
11407c478bd9Sstevel@tonic-gate **	identical to) looking up the name for delivery.  This stab type
11417c478bd9Sstevel@tonic-gate **	caches the result of the name server lookup so we don't hang
11427c478bd9Sstevel@tonic-gate **	multiple times.
11437c478bd9Sstevel@tonic-gate */
11447c478bd9Sstevel@tonic-gate 
11457c478bd9Sstevel@tonic-gate #define NAMECANON	struct _namecanon
11467c478bd9Sstevel@tonic-gate 
11477c478bd9Sstevel@tonic-gate NAMECANON
11487c478bd9Sstevel@tonic-gate {
11497c478bd9Sstevel@tonic-gate 	short		nc_errno;	/* cached errno */
11507c478bd9Sstevel@tonic-gate 	short		nc_herrno;	/* cached h_errno */
11517c478bd9Sstevel@tonic-gate 	short		nc_stat;	/* cached exit status code */
11527c478bd9Sstevel@tonic-gate 	short		nc_flags;	/* flag bits */
11537c478bd9Sstevel@tonic-gate 	char		*nc_cname;	/* the canonical name */
11547c478bd9Sstevel@tonic-gate 	time_t		nc_exp;		/* entry expires at */
11557c478bd9Sstevel@tonic-gate };
11567c478bd9Sstevel@tonic-gate 
11577c478bd9Sstevel@tonic-gate /* values for nc_flags */
11587c478bd9Sstevel@tonic-gate #define NCF_VALID	0x0001	/* entry valid */
11597c478bd9Sstevel@tonic-gate 
11607c478bd9Sstevel@tonic-gate /* hostsignature structure */
11617c478bd9Sstevel@tonic-gate 
11627c478bd9Sstevel@tonic-gate struct hostsig_t
11637c478bd9Sstevel@tonic-gate {
11647c478bd9Sstevel@tonic-gate 	char		*hs_sig;	/* hostsignature */
11657c478bd9Sstevel@tonic-gate 	time_t		hs_exp;		/* entry expires at */
11667c478bd9Sstevel@tonic-gate };
11677c478bd9Sstevel@tonic-gate 
11687c478bd9Sstevel@tonic-gate typedef struct hostsig_t HOSTSIG_T;
11697c478bd9Sstevel@tonic-gate 
11707c478bd9Sstevel@tonic-gate /* functions */
11717c478bd9Sstevel@tonic-gate extern bool	getcanonname __P((char *, int, bool, int *));
11727c478bd9Sstevel@tonic-gate extern int	getmxrr __P((char *, char **, unsigned short *, bool, int *, bool, int *));
11737c478bd9Sstevel@tonic-gate extern char	*hostsignature __P((MAILER *, char *));
11747c478bd9Sstevel@tonic-gate extern int	getfallbackmxrr __P((char *));
11757c478bd9Sstevel@tonic-gate 
11767c478bd9Sstevel@tonic-gate /*
11777c478bd9Sstevel@tonic-gate **  Mapping functions
11787c478bd9Sstevel@tonic-gate **
11797c478bd9Sstevel@tonic-gate **	These allow arbitrary mappings in the config file.  The idea
11807c478bd9Sstevel@tonic-gate **	(albeit not the implementation) comes from IDA sendmail.
11817c478bd9Sstevel@tonic-gate */
11827c478bd9Sstevel@tonic-gate 
11837c478bd9Sstevel@tonic-gate #define