xref: /freebsd/contrib/sendmail/src/sendmail.h (revision 94c01205742119acdf56dbbd22fc274e5e38cfd4)
1c2aa98e2SPeter Wemm /*
240266059SGregory Neil Shapiro  * Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers.
306f25ae9SGregory Neil Shapiro  *	All rights reserved.
4c2aa98e2SPeter Wemm  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
5c2aa98e2SPeter Wemm  * Copyright (c) 1988, 1993
6c2aa98e2SPeter Wemm  *	The Regents of the University of California.  All rights reserved.
7c2aa98e2SPeter Wemm  *
8c2aa98e2SPeter Wemm  * By using this file, you agree to the terms and conditions set
9c2aa98e2SPeter Wemm  * forth in the LICENSE file which can be found at the top level of
10c2aa98e2SPeter Wemm  * the sendmail distribution.
11c2aa98e2SPeter Wemm  */
12c2aa98e2SPeter Wemm 
13c2aa98e2SPeter Wemm /*
1406f25ae9SGregory Neil Shapiro **  SENDMAIL.H -- MTA-specific definitions for sendmail.
15c2aa98e2SPeter Wemm */
16c2aa98e2SPeter Wemm 
1706f25ae9SGregory Neil Shapiro #ifndef _SENDMAIL_H
1806f25ae9SGregory Neil Shapiro # define _SENDMAIL_H 1
1906f25ae9SGregory Neil Shapiro 
20c2aa98e2SPeter Wemm #ifdef _DEFINE
21c2aa98e2SPeter Wemm # define EXTERN
22c2aa98e2SPeter Wemm #else /* _DEFINE */
23c2aa98e2SPeter Wemm # define EXTERN extern
24c2aa98e2SPeter Wemm #endif /* _DEFINE */
25c2aa98e2SPeter Wemm 
2606f25ae9SGregory Neil Shapiro 
27c2aa98e2SPeter Wemm #include <unistd.h>
2806f25ae9SGregory Neil Shapiro 
29c2aa98e2SPeter Wemm #include <stddef.h>
30c2aa98e2SPeter Wemm #include <stdlib.h>
31c2aa98e2SPeter Wemm #include <stdio.h>
32c2aa98e2SPeter Wemm #include <ctype.h>
33c2aa98e2SPeter Wemm #include <setjmp.h>
34c2aa98e2SPeter Wemm #include <string.h>
35c2aa98e2SPeter Wemm #include <time.h>
36c2aa98e2SPeter Wemm # ifdef EX_OK
37c2aa98e2SPeter Wemm #  undef EX_OK			/* for SVr4.2 SMP */
3806f25ae9SGregory Neil Shapiro # endif /* EX_OK */
39c2aa98e2SPeter Wemm 
4006f25ae9SGregory Neil Shapiro #include "sendmail/sendmail.h"
4140266059SGregory Neil Shapiro 
4240266059SGregory Neil Shapiro /* profiling? */
4340266059SGregory Neil Shapiro #if MONCONTROL
4440266059SGregory Neil Shapiro # define SM_PROF(x)	moncontrol(x)
4540266059SGregory Neil Shapiro #else /* MONCONTROL */
4640266059SGregory Neil Shapiro # define SM_PROF(x)
4740266059SGregory Neil Shapiro #endif /* MONCONTROL */
4840266059SGregory Neil Shapiro 
4940266059SGregory Neil Shapiro #ifdef _DEFINE
5040266059SGregory Neil Shapiro # ifndef lint
5194c01205SGregory Neil Shapiro SM_UNUSED(static char SmailId[]) = "@(#)$Id: sendmail.h,v 8.918 2002/05/23 20:01:56 gshapiro Exp $";
5240266059SGregory Neil Shapiro # endif /* ! lint */
5340266059SGregory Neil Shapiro #endif /* _DEFINE */
5440266059SGregory Neil Shapiro 
5506f25ae9SGregory Neil Shapiro #include "bf.h"
5606f25ae9SGregory Neil Shapiro #include "timers.h"
5740266059SGregory Neil Shapiro #include <sm/exc.h>
5840266059SGregory Neil Shapiro #include <sm/heap.h>
5940266059SGregory Neil Shapiro #include <sm/debug.h>
6040266059SGregory Neil Shapiro #include <sm/rpool.h>
6140266059SGregory Neil Shapiro #include <sm/io.h>
6240266059SGregory Neil Shapiro #include <sm/path.h>
6340266059SGregory Neil Shapiro #include <sm/signal.h>
6440266059SGregory Neil Shapiro #include <sm/clock.h>
6540266059SGregory Neil Shapiro #include <sm/mbdb.h>
6640266059SGregory Neil Shapiro #include <sm/errstring.h>
6740266059SGregory Neil Shapiro #include <sm/sysexits.h>
6840266059SGregory Neil Shapiro #include <sm/shm.h>
69c2aa98e2SPeter Wemm 
70c2aa98e2SPeter Wemm #ifdef LOG
71c2aa98e2SPeter Wemm # include <syslog.h>
72c2aa98e2SPeter Wemm #endif /* LOG */
73c2aa98e2SPeter Wemm 
7406f25ae9SGregory Neil Shapiro 
7506f25ae9SGregory Neil Shapiro 
7606f25ae9SGregory Neil Shapiro # if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25
77c2aa98e2SPeter Wemm #  include <sys/socket.h>
7806f25ae9SGregory Neil Shapiro # endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
79c2aa98e2SPeter Wemm # if NETUNIX
80c2aa98e2SPeter Wemm #  include <sys/un.h>
8106f25ae9SGregory Neil Shapiro # endif /* NETUNIX */
8206f25ae9SGregory Neil Shapiro # if NETINET || NETINET6
83c2aa98e2SPeter Wemm #  include <netinet/in.h>
8406f25ae9SGregory Neil Shapiro # endif /* NETINET || NETINET6 */
8506f25ae9SGregory Neil Shapiro # if NETINET6
8606f25ae9SGregory Neil Shapiro /*
8706f25ae9SGregory Neil Shapiro **  There is no standard yet for IPv6 includes.
8806f25ae9SGregory Neil Shapiro **  Specify OS specific implementation in conf.h
8906f25ae9SGregory Neil Shapiro */
9006f25ae9SGregory Neil Shapiro # endif /* NETINET6 */
91c2aa98e2SPeter Wemm # if NETISO
92c2aa98e2SPeter Wemm #  include <netiso/iso.h>
9306f25ae9SGregory Neil Shapiro # endif /* NETISO */
94c2aa98e2SPeter Wemm # if NETNS
95c2aa98e2SPeter Wemm #  include <netns/ns.h>
9606f25ae9SGregory Neil Shapiro # endif /* NETNS */
97c2aa98e2SPeter Wemm # if NETX25
98c2aa98e2SPeter Wemm #  include <netccitt/x25.h>
9906f25ae9SGregory Neil Shapiro # endif /* NETX25 */
100c2aa98e2SPeter Wemm 
101c2aa98e2SPeter Wemm # if NAMED_BIND
102c2aa98e2SPeter Wemm #  include <arpa/nameser.h>
103c2aa98e2SPeter Wemm #  ifdef NOERROR
104c2aa98e2SPeter Wemm #   undef NOERROR		/* avoid <sys/streams.h> conflict */
10506f25ae9SGregory Neil Shapiro #  endif /* NOERROR */
10606f25ae9SGregory Neil Shapiro #  include <resolv.h>
10740266059SGregory Neil Shapiro # else /* NAMED_BIND */
10840266059SGregory Neil Shapiro #   undef SM_SET_H_ERRNO
10940266059SGregory Neil Shapiro #   define SM_SET_H_ERRNO(err)
11006f25ae9SGregory Neil Shapiro # endif /* NAMED_BIND */
111c2aa98e2SPeter Wemm 
11240266059SGregory Neil Shapiro # if HESIOD
113c2aa98e2SPeter Wemm #  include <hesiod.h>
114c2aa98e2SPeter Wemm #  if !defined(HES_ER_OK) || defined(HESIOD_INTERFACES)
115c2aa98e2SPeter Wemm #   define HESIOD_INIT		/* support for the new interface */
11606f25ae9SGregory Neil Shapiro #  endif /* !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) */
11706f25ae9SGregory Neil Shapiro # endif /* HESIOD */
11806f25ae9SGregory Neil Shapiro 
11906f25ae9SGregory Neil Shapiro #if STARTTLS
12006f25ae9SGregory Neil Shapiro #  include <openssl/ssl.h>
12140266059SGregory Neil Shapiro # if !TLS_NO_RSA
12240266059SGregory Neil Shapiro #  define RSA_KEYLENGTH	512
12340266059SGregory Neil Shapiro # endif /* !TLS_NO_RSA */
12406f25ae9SGregory Neil Shapiro #endif /* STARTTLS */
12506f25ae9SGregory Neil Shapiro 
12606f25ae9SGregory Neil Shapiro #if SASL  /* include the sasl include files if we have them */
12794c01205SGregory Neil Shapiro 
12894c01205SGregory Neil Shapiro 
12994c01205SGregory Neil Shapiro # if SASL == 2 || SASL >= 20000
13094c01205SGregory Neil Shapiro #  include <sasl/sasl.h>
13194c01205SGregory Neil Shapiro #  include <sasl/saslutil.h>
13294c01205SGregory Neil Shapiro # else /* SASL == 2 || SASL >= 20000 */
13306f25ae9SGregory Neil Shapiro #  include <sasl.h>
13494c01205SGregory Neil Shapiro #  include <saslutil.h>
13594c01205SGregory Neil Shapiro # endif /* SASL == 2 || SASL >= 20000 */
13606f25ae9SGregory Neil Shapiro # if defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP)
13706f25ae9SGregory Neil Shapiro #  define SASL_VERSION (SASL_VERSION_MAJOR * 10000)  + (SASL_VERSION_MINOR * 100) + SASL_VERSION_STEP
13894c01205SGregory Neil Shapiro #  if SASL == 1 || SASL == 2
13906f25ae9SGregory Neil Shapiro #   undef SASL
14006f25ae9SGregory Neil Shapiro #   define SASL SASL_VERSION
14194c01205SGregory Neil Shapiro #  else /* SASL == 1 || SASL == 2 */
14206f25ae9SGregory Neil Shapiro #   if SASL != SASL_VERSION
14306f25ae9SGregory Neil Shapiro   ERROR README: -DSASL (SASL) does not agree with the version of the CYRUS_SASL library (SASL_VERSION)
14406f25ae9SGregory Neil Shapiro   ERROR README: see README!
14506f25ae9SGregory Neil Shapiro #   endif /* SASL != SASL_VERSION */
14694c01205SGregory Neil Shapiro #  endif /* SASL == 1 || SASL == 2 */
14706f25ae9SGregory Neil Shapiro # else /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
14806f25ae9SGregory Neil Shapiro #  if SASL == 1
14906f25ae9SGregory Neil Shapiro   ERROR README: please set -DSASL to the version of the CYRUS_SASL library
15006f25ae9SGregory Neil Shapiro   ERROR README: see README!
15106f25ae9SGregory Neil Shapiro #  endif /* SASL == 1 */
15206f25ae9SGregory Neil Shapiro # endif /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
15306f25ae9SGregory Neil Shapiro #endif /* SASL */
154c2aa98e2SPeter Wemm 
155c2aa98e2SPeter Wemm /*
156c2aa98e2SPeter Wemm **  Following are "sort of" configuration constants, but they should
157c2aa98e2SPeter Wemm **  be pretty solid on most architectures today.  They have to be
158c2aa98e2SPeter Wemm **  defined after <arpa/nameser.h> because some versions of that
159c2aa98e2SPeter Wemm **  file also define them.  In all cases, we can't use sizeof because
160c2aa98e2SPeter Wemm **  some systems (e.g., Crays) always treat everything as being at
161c2aa98e2SPeter Wemm **  least 64 bits.
162c2aa98e2SPeter Wemm */
163c2aa98e2SPeter Wemm 
164c2aa98e2SPeter Wemm #ifndef INADDRSZ
165c2aa98e2SPeter Wemm # define INADDRSZ	4		/* size of an IPv4 address in bytes */
16606f25ae9SGregory Neil Shapiro #endif /* ! INADDRSZ */
16706f25ae9SGregory Neil Shapiro #ifndef IN6ADDRSZ
16806f25ae9SGregory Neil Shapiro # define IN6ADDRSZ	16		/* size of an IPv6 address in bytes */
16906f25ae9SGregory Neil Shapiro #endif /* ! IN6ADDRSZ */
170c2aa98e2SPeter Wemm #ifndef INT16SZ
171c2aa98e2SPeter Wemm # define INT16SZ	2		/* size of a 16 bit integer in bytes */
17206f25ae9SGregory Neil Shapiro #endif /* ! INT16SZ */
173c2aa98e2SPeter Wemm #ifndef INT32SZ
174c2aa98e2SPeter Wemm # define INT32SZ	4		/* size of a 32 bit integer in bytes */
17506f25ae9SGregory Neil Shapiro #endif /* ! INT32SZ */
176602a2b1bSGregory Neil Shapiro #ifndef INADDR_LOOPBACK
177602a2b1bSGregory Neil Shapiro # define INADDR_LOOPBACK	0x7f000001	/* loopback address */
178602a2b1bSGregory Neil Shapiro #endif /* ! INADDR_LOOPBACK */
179c2aa98e2SPeter Wemm 
18006f25ae9SGregory Neil Shapiro /*
18106f25ae9SGregory Neil Shapiro **  Error return from inet_addr(3), in case not defined in /usr/include.
18206f25ae9SGregory Neil Shapiro */
18306f25ae9SGregory Neil Shapiro 
18406f25ae9SGregory Neil Shapiro #ifndef INADDR_NONE
18506f25ae9SGregory Neil Shapiro # define INADDR_NONE	0xffffffff
18606f25ae9SGregory Neil Shapiro #endif /* ! INADDR_NONE */
187c2aa98e2SPeter Wemm 
188c2aa98e2SPeter Wemm 
18940266059SGregory Neil Shapiro /*
19040266059SGregory Neil Shapiro **  An 'argument class' describes the storage allocation status
19140266059SGregory Neil Shapiro **  of an object pointed to by an argument to a function.
19240266059SGregory Neil Shapiro */
19340266059SGregory Neil Shapiro 
19440266059SGregory Neil Shapiro typedef enum
19540266059SGregory Neil Shapiro {
19640266059SGregory Neil Shapiro 	A_HEAP,	/* the storage was allocated by malloc, and the
19740266059SGregory Neil Shapiro 		 * ownership of the storage is ceded by the caller
19840266059SGregory Neil Shapiro 		 * to the called function. */
19940266059SGregory Neil Shapiro 	A_TEMP, /* The storage is temporary, and is only guaranteed
20040266059SGregory Neil Shapiro 		 * to be valid for the duration of the function call. */
20140266059SGregory Neil Shapiro 	A_PERM	/* The storage is 'permanent': this might mean static
20240266059SGregory Neil Shapiro 		 * storage, or rpool storage. */
20340266059SGregory Neil Shapiro } ARGCLASS_T;
20440266059SGregory Neil Shapiro 
205c2aa98e2SPeter Wemm /* forward references for prototypes */
206c2aa98e2SPeter Wemm typedef struct envelope	ENVELOPE;
207c2aa98e2SPeter Wemm typedef struct mailer	MAILER;
20840266059SGregory Neil Shapiro typedef struct queuegrp	QUEUEGRP;
209c2aa98e2SPeter Wemm 
21040266059SGregory Neil Shapiro /*
211c2aa98e2SPeter Wemm **  Address structure.
212c2aa98e2SPeter Wemm **	Addresses are stored internally in this structure.
213c2aa98e2SPeter Wemm */
214c2aa98e2SPeter Wemm 
215c2aa98e2SPeter Wemm struct address
216c2aa98e2SPeter Wemm {
217c2aa98e2SPeter Wemm 	char		*q_paddr;	/* the printname for the address */
218c2aa98e2SPeter Wemm 	char		*q_user;	/* user name */
219c2aa98e2SPeter Wemm 	char		*q_ruser;	/* real user name, or NULL if q_user */
220c2aa98e2SPeter Wemm 	char		*q_host;	/* host name */
221c2aa98e2SPeter Wemm 	struct mailer	*q_mailer;	/* mailer to use */
22240266059SGregory Neil Shapiro 	unsigned long	q_flags;	/* status flags, see below */
223c2aa98e2SPeter Wemm 	uid_t		q_uid;		/* user-id of receiver (if known) */
224c2aa98e2SPeter Wemm 	gid_t		q_gid;		/* group-id of receiver (if known) */
225c2aa98e2SPeter Wemm 	char		*q_home;	/* home dir (local mailer only) */
226c2aa98e2SPeter Wemm 	char		*q_fullname;	/* full name if known */
227c2aa98e2SPeter Wemm 	struct address	*q_next;	/* chain */
228c2aa98e2SPeter Wemm 	struct address	*q_alias;	/* address this results from */
229c2aa98e2SPeter Wemm 	char		*q_owner;	/* owner of q_alias */
230c2aa98e2SPeter Wemm 	struct address	*q_tchain;	/* temporary use chain */
23140266059SGregory Neil Shapiro #if PIPELINING
23240266059SGregory Neil Shapiro 	struct address	*q_pchain;	/* chain for pipelining */
23340266059SGregory Neil Shapiro #endif /* PIPELINING */
23440266059SGregory Neil Shapiro 	char		*q_finalrcpt;	/* Final-Recipient: DSN header */
235c2aa98e2SPeter Wemm 	char		*q_orcpt;	/* ORCPT parameter from RCPT TO: line */
236c2aa98e2SPeter Wemm 	char		*q_status;	/* status code for DSNs */
237c2aa98e2SPeter Wemm 	char		*q_rstatus;	/* remote status message for DSNs */
238c2aa98e2SPeter Wemm 	time_t		q_statdate;	/* date of status messages */
239c2aa98e2SPeter Wemm 	char		*q_statmta;	/* MTA generating q_rstatus */
24006f25ae9SGregory Neil Shapiro 	short		q_state;	/* address state, see below */
24140266059SGregory Neil Shapiro 	char		*q_signature;	/* MX-based sorting value */
24240266059SGregory Neil Shapiro 	int		q_qgrp;		/* index into queue groups */
24340266059SGregory Neil Shapiro 	int		q_qdir;		/* queue directory inside group */
24440266059SGregory Neil Shapiro 	char		*q_message;	/* error message */
245c2aa98e2SPeter Wemm };
246c2aa98e2SPeter Wemm 
247c2aa98e2SPeter Wemm typedef struct address ADDRESS;
248c2aa98e2SPeter Wemm 
24906f25ae9SGregory Neil Shapiro /* bit values for q_flags */
25006f25ae9SGregory Neil Shapiro #define QGOODUID	0x00000001	/* the q_uid q_gid fields are good */
25106f25ae9SGregory Neil Shapiro #define QPRIMARY	0x00000002	/* set from RCPT or argv */
25206f25ae9SGregory Neil Shapiro #define QNOTREMOTE	0x00000004	/* address not for remote forwarding */
25306f25ae9SGregory Neil Shapiro #define QSELFREF	0x00000008	/* this address references itself */
25406f25ae9SGregory Neil Shapiro #define QBOGUSSHELL	0x00000010	/* user has no valid shell listed */
25506f25ae9SGregory Neil Shapiro #define QUNSAFEADDR	0x00000020	/* address acquired via unsafe path */
25606f25ae9SGregory Neil Shapiro #define QPINGONSUCCESS	0x00000040	/* give return on successful delivery */
25706f25ae9SGregory Neil Shapiro #define QPINGONFAILURE	0x00000080	/* give return on failure */
25806f25ae9SGregory Neil Shapiro #define QPINGONDELAY	0x00000100	/* give return on message delay */
25940266059SGregory Neil Shapiro #define QHASNOTIFY	0x00000200	/* propagate notify parameter */
26006f25ae9SGregory Neil Shapiro #define QRELAYED	0x00000400	/* DSN: relayed to non-DSN aware sys */
26106f25ae9SGregory Neil Shapiro #define QEXPANDED	0x00000800	/* DSN: undergone list expansion */
26206f25ae9SGregory Neil Shapiro #define QDELIVERED	0x00001000	/* DSN: successful final delivery */
26306f25ae9SGregory Neil Shapiro #define QDELAYED	0x00002000	/* DSN: message delayed */
26406f25ae9SGregory Neil Shapiro #define QALIAS		0x00004000	/* expanded alias */
26540266059SGregory Neil Shapiro #define QBYTRACE	0x00008000	/* DeliverBy: trace */
26640266059SGregory Neil Shapiro #define QBYNDELAY	0x00010000	/* DeliverBy: notify, delay */
26740266059SGregory Neil Shapiro #define QBYNRELAY	0x00020000	/* DeliverBy: notify, relayed */
268c2aa98e2SPeter Wemm #define QTHISPASS	0x40000000	/* temp: address set this pass */
269c2aa98e2SPeter Wemm #define QRCPTOK		0x80000000	/* recipient() processed address */
270c2aa98e2SPeter Wemm 
271c2aa98e2SPeter Wemm #define Q_PINGFLAGS	(QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY)
272c2aa98e2SPeter Wemm 
27306f25ae9SGregory Neil Shapiro /* values for q_state */
27406f25ae9SGregory Neil Shapiro #define QS_OK		0		/* address ok (for now)/not yet tried */
27506f25ae9SGregory Neil Shapiro #define QS_SENT		1		/* good address, delivery complete */
27606f25ae9SGregory Neil Shapiro #define QS_BADADDR	2		/* illegal address */
27706f25ae9SGregory Neil Shapiro #define QS_QUEUEUP	3		/* save address in queue */
27840266059SGregory Neil Shapiro #define QS_RETRY	4		/* retry delivery for next MX */
27940266059SGregory Neil Shapiro #define QS_VERIFIED	5		/* verified, but not expanded */
28040266059SGregory Neil Shapiro 
28140266059SGregory Neil Shapiro /*
28240266059SGregory Neil Shapiro **  Notice: all of the following values are variations of QS_DONTSEND.
28340266059SGregory Neil Shapiro **	If new states are added, they must be inserted in the proper place!
28440266059SGregory Neil Shapiro **	See the macro definition of QS_IS_DEAD() down below.
28540266059SGregory Neil Shapiro */
28640266059SGregory Neil Shapiro 
28740266059SGregory Neil Shapiro #define QS_DONTSEND	6		/* don't send to this address */
28840266059SGregory Neil Shapiro #define QS_EXPANDED	7		/* expanded */
28940266059SGregory Neil Shapiro #define QS_SENDER	8		/* message sender (MeToo) */
29040266059SGregory Neil Shapiro #define QS_CLONED	9		/* addr cloned to split envelope */
29140266059SGregory Neil Shapiro #define QS_DISCARDED	10		/* rcpt discarded (EF_DISCARD) */
29240266059SGregory Neil Shapiro #define QS_REPLACED	11		/* maplocaluser()/UserDB replaced */
29340266059SGregory Neil Shapiro #define QS_REMOVED	12		/* removed (removefromlist()) */
29440266059SGregory Neil Shapiro #define QS_DUPLICATE	13		/* duplicate suppressed */
29540266059SGregory Neil Shapiro #define QS_INCLUDED	14		/* :include: delivery */
29606f25ae9SGregory Neil Shapiro 
29706f25ae9SGregory Neil Shapiro /* address state testing primitives */
29806f25ae9SGregory Neil Shapiro #define QS_IS_OK(s)		((s) == QS_OK)
29906f25ae9SGregory Neil Shapiro #define QS_IS_SENT(s)		((s) == QS_SENT)
30006f25ae9SGregory Neil Shapiro #define QS_IS_BADADDR(s)	((s) == QS_BADADDR)
30106f25ae9SGregory Neil Shapiro #define QS_IS_QUEUEUP(s)	((s) == QS_QUEUEUP)
30240266059SGregory Neil Shapiro #define QS_IS_RETRY(s)		((s) == QS_RETRY)
30306f25ae9SGregory Neil Shapiro #define QS_IS_VERIFIED(s)	((s) == QS_VERIFIED)
30406f25ae9SGregory Neil Shapiro #define QS_IS_EXPANDED(s)	((s) == QS_EXPANDED)
30506f25ae9SGregory Neil Shapiro #define QS_IS_REMOVED(s)	((s) == QS_REMOVED)
30606f25ae9SGregory Neil Shapiro #define QS_IS_UNDELIVERED(s)	((s) == QS_OK || \
30706f25ae9SGregory Neil Shapiro 				 (s) == QS_QUEUEUP || \
30840266059SGregory Neil Shapiro 				 (s) == QS_RETRY || \
30906f25ae9SGregory Neil Shapiro 				 (s) == QS_VERIFIED)
31040266059SGregory Neil Shapiro #define QS_IS_UNMARKED(s)	((s) == QS_OK || \
31140266059SGregory Neil Shapiro 				 (s) == QS_RETRY)
31206f25ae9SGregory Neil Shapiro #define QS_IS_SENDABLE(s)	((s) == QS_OK || \
31340266059SGregory Neil Shapiro 				 (s) == QS_QUEUEUP || \
31440266059SGregory Neil Shapiro 				 (s) == QS_RETRY)
31506f25ae9SGregory Neil Shapiro #define QS_IS_ATTEMPTED(s)	((s) == QS_QUEUEUP || \
31640266059SGregory Neil Shapiro 				 (s) == QS_RETRY || \
31706f25ae9SGregory Neil Shapiro 				 (s) == QS_SENT)
31840266059SGregory Neil Shapiro #define QS_IS_DEAD(s)		((s) >= QS_DONTSEND)
31906f25ae9SGregory Neil Shapiro 
32006f25ae9SGregory Neil Shapiro 
321c2aa98e2SPeter Wemm #define NULLADDR	((ADDRESS *) NULL)
322c2aa98e2SPeter Wemm 
32306f25ae9SGregory Neil Shapiro extern ADDRESS	NullAddress;	/* a null (template) address [main.c] */
32406f25ae9SGregory Neil Shapiro 
325c2aa98e2SPeter Wemm /* functions */
326c2aa98e2SPeter Wemm extern void	cataddr __P((char **, char **, char *, int, int));
32706f25ae9SGregory Neil Shapiro extern char	*crackaddr __P((char *));
32806f25ae9SGregory Neil Shapiro extern bool	emptyaddr __P((ADDRESS *));
32906f25ae9SGregory Neil Shapiro extern ADDRESS	*getctladdr __P((ADDRESS *));
33006f25ae9SGregory Neil Shapiro extern int	include __P((char *, bool, ADDRESS *, ADDRESS **, int, ENVELOPE *));
33140266059SGregory Neil Shapiro extern bool	invalidaddr __P((char *, char *, bool));
33240266059SGregory Neil Shapiro extern ADDRESS	*parseaddr __P((char *, ADDRESS *, int, int, char **,
33340266059SGregory Neil Shapiro 				ENVELOPE *, bool));
33440266059SGregory Neil Shapiro extern char	**prescan __P((char *, int, char[], int, char **, unsigned char *));
33506f25ae9SGregory Neil Shapiro extern void	printaddr __P((ADDRESS *, bool));
33606f25ae9SGregory Neil Shapiro extern ADDRESS	*recipient __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
33706f25ae9SGregory Neil Shapiro extern char	*remotename __P((char *, MAILER *, int, int *, ENVELOPE *));
33840266059SGregory Neil Shapiro extern int	rewrite __P((char **, int, int, ENVELOPE *, int));
33906f25ae9SGregory Neil Shapiro extern bool	sameaddr __P((ADDRESS *, ADDRESS *));
340c2aa98e2SPeter Wemm extern int	sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *));
34140266059SGregory Neil Shapiro #if MILTER
34206f25ae9SGregory Neil Shapiro extern int	removefromlist __P((char *, ADDRESS **, ENVELOPE *));
34340266059SGregory Neil Shapiro #endif /* MILTER */
34406f25ae9SGregory Neil Shapiro extern void	setsender __P((char *, ENVELOPE *, char **, int, bool));
34506f25ae9SGregory Neil Shapiro 
34640266059SGregory Neil Shapiro /* macro to simplify the common call to rewrite() */
34740266059SGregory Neil Shapiro #define REWRITE(pvp, rs, env)	rewrite(pvp, rs, 0, env, MAXATOM)
34840266059SGregory Neil Shapiro 
34940266059SGregory Neil Shapiro /*
350c2aa98e2SPeter Wemm **  Mailer definition structure.
351c2aa98e2SPeter Wemm **	Every mailer known to the system is declared in this
352c2aa98e2SPeter Wemm **	structure.  It defines the pathname of the mailer, some
353c2aa98e2SPeter Wemm **	flags associated with it, and the argument vector to
354c2aa98e2SPeter Wemm **	pass to it.  The flags are defined in conf.c
355c2aa98e2SPeter Wemm **
356c2aa98e2SPeter Wemm **	The argument vector is expanded before actual use.  All
357c2aa98e2SPeter Wemm **	words except the first are passed through the macro
358c2aa98e2SPeter Wemm **	processor.
359c2aa98e2SPeter Wemm */
360c2aa98e2SPeter Wemm 
361c2aa98e2SPeter Wemm struct mailer
362c2aa98e2SPeter Wemm {
363c2aa98e2SPeter Wemm 	char	*m_name;	/* symbolic name of this mailer */
364c2aa98e2SPeter Wemm 	char	*m_mailer;	/* pathname of the mailer to use */
365c2aa98e2SPeter Wemm 	char	*m_mtatype;	/* type of this MTA */
366c2aa98e2SPeter Wemm 	char	*m_addrtype;	/* type for addresses */
367c2aa98e2SPeter Wemm 	char	*m_diagtype;	/* type for diagnostics */
36806f25ae9SGregory Neil Shapiro 	BITMAP256 m_flags;	/* status flags, see below */
369c2aa98e2SPeter Wemm 	short	m_mno;		/* mailer number internally */
370c2aa98e2SPeter Wemm 	short	m_nice;		/* niceness to run at (mostly for prog) */
371c2aa98e2SPeter Wemm 	char	**m_argv;	/* template argument vector */
372c2aa98e2SPeter Wemm 	short	m_sh_rwset;	/* rewrite set: sender header addresses */
373c2aa98e2SPeter Wemm 	short	m_se_rwset;	/* rewrite set: sender envelope addresses */
374c2aa98e2SPeter Wemm 	short	m_rh_rwset;	/* rewrite set: recipient header addresses */
375c2aa98e2SPeter Wemm 	short	m_re_rwset;	/* rewrite set: recipient envelope addresses */
376c2aa98e2SPeter Wemm 	char	*m_eol;		/* end of line string */
377c2aa98e2SPeter Wemm 	long	m_maxsize;	/* size limit on message to this mailer */
378c2aa98e2SPeter Wemm 	int	m_linelimit;	/* max # characters per line */
37906f25ae9SGregory Neil Shapiro 	int	m_maxdeliveries; /* max deliveries per mailer connection */
380c2aa98e2SPeter Wemm 	char	*m_execdir;	/* directory to chdir to before execv */
38106f25ae9SGregory Neil Shapiro 	char	*m_rootdir;	/* directory to chroot to before execv */
382c2aa98e2SPeter Wemm 	uid_t	m_uid;		/* UID to run as */
383c2aa98e2SPeter Wemm 	gid_t	m_gid;		/* GID to run as */
384c2aa98e2SPeter Wemm 	char	*m_defcharset;	/* default character set */
38506f25ae9SGregory Neil Shapiro 	time_t	m_wait;		/* timeout to wait for end */
38606f25ae9SGregory Neil Shapiro 	int	m_maxrcpt;	/* max recipients per envelope client-side */
38740266059SGregory Neil Shapiro 	short	m_qgrp;		/* queue group for this mailer */
388c2aa98e2SPeter Wemm };
389c2aa98e2SPeter Wemm 
390c2aa98e2SPeter Wemm /* bits for m_flags */
39140266059SGregory Neil Shapiro #define M_ESMTP		'a'	/* run Extended SMTP */
392c2aa98e2SPeter Wemm #define M_ALIASABLE	'A'	/* user can be LHS of an alias */
393c2aa98e2SPeter Wemm #define M_BLANKEND	'b'	/* ensure blank line at end of message */
394c2aa98e2SPeter Wemm #define M_NOCOMMENT	'c'	/* don't include comment part of address */
395c2aa98e2SPeter Wemm #define M_CANONICAL	'C'	/* make addresses canonical "u@dom" */
396c2aa98e2SPeter Wemm #define M_NOBRACKET	'd'	/* never angle bracket envelope route-addrs */
397c2aa98e2SPeter Wemm 		/*	'D'	   CF: include Date: */
398c2aa98e2SPeter Wemm #define M_EXPENSIVE	'e'	/* it costs to use this mailer.... */
399c2aa98e2SPeter Wemm #define M_ESCFROM	'E'	/* escape From lines to >From */
400c2aa98e2SPeter Wemm #define M_FOPT		'f'	/* mailer takes picky -f flag */
401c2aa98e2SPeter Wemm 		/*	'F'	   CF: include From: or Resent-From: */
402c2aa98e2SPeter Wemm #define M_NO_NULL_FROM	'g'	/* sender of errors should be $g */
403c2aa98e2SPeter Wemm #define M_HST_UPPER	'h'	/* preserve host case distinction */
404c2aa98e2SPeter Wemm #define M_PREHEAD	'H'	/* MAIL11V3: preview headers */
405c2aa98e2SPeter Wemm #define M_UDBENVELOPE	'i'	/* do udbsender rewriting on envelope */
406c2aa98e2SPeter Wemm #define M_INTERNAL	'I'	/* SMTP to another sendmail site */
407c2aa98e2SPeter Wemm #define M_UDBRECIPIENT	'j'	/* do udbsender rewriting on recipient lines */
408c2aa98e2SPeter Wemm #define M_NOLOOPCHECK	'k'	/* don't check for loops in HELO command */
409c2aa98e2SPeter Wemm #define M_CHUNKING	'K'	/* CHUNKING: reserved for future use */
410c2aa98e2SPeter Wemm #define M_LOCALMAILER	'l'	/* delivery is to this host */
411c2aa98e2SPeter Wemm #define M_LIMITS	'L'	/* must enforce SMTP line limits */
412c2aa98e2SPeter Wemm #define M_MUSER		'm'	/* can handle multiple users at once */
413c2aa98e2SPeter Wemm 		/*	'M'	   CF: include Message-Id: */
414c2aa98e2SPeter Wemm #define M_NHDR		'n'	/* don't insert From line */
415c2aa98e2SPeter Wemm #define M_MANYSTATUS	'N'	/* MAIL11V3: DATA returns multi-status */
416c2aa98e2SPeter Wemm #define M_RUNASRCPT	'o'	/* always run mailer as recipient */
417c2aa98e2SPeter Wemm #define M_FROMPATH	'p'	/* use reverse-path in MAIL FROM: */
418c2aa98e2SPeter Wemm 		/*	'P'	   CF: include Return-Path: */
419c2aa98e2SPeter Wemm #define M_VRFY250	'q'	/* VRFY command returns 250 instead of 252 */
420c2aa98e2SPeter Wemm #define M_ROPT		'r'	/* mailer takes picky -r flag */
421c2aa98e2SPeter Wemm #define M_SECURE_PORT	'R'	/* try to send on a reserved TCP port */
422c2aa98e2SPeter Wemm #define M_STRIPQ	's'	/* strip quote chars from user/host */
423c2aa98e2SPeter Wemm #define M_SPECIFIC_UID	'S'	/* run as specific uid/gid */
424c2aa98e2SPeter Wemm #define M_USR_UPPER	'u'	/* preserve user case distinction */
425c2aa98e2SPeter Wemm #define M_UGLYUUCP	'U'	/* this wants an ugly UUCP from line */
426c2aa98e2SPeter Wemm #define M_CONTENT_LEN	'v'	/* add Content-Length: header (SVr4) */
427c2aa98e2SPeter Wemm 		/*	'V'	   UIUC: !-relativize all addresses */
428c2aa98e2SPeter Wemm #define M_HASPWENT	'w'	/* check for /etc/passwd entry */
429c2aa98e2SPeter Wemm 		/*	'x'	   CF: include Full-Name: */
430c2aa98e2SPeter Wemm #define M_XDOT		'X'	/* use hidden-dot algorithm */
431c2aa98e2SPeter Wemm #define M_LMTP		'z'	/* run Local Mail Transport Protocol */
43240266059SGregory Neil Shapiro #define M_DIALDELAY	'Z'	/* apply dial delay sleeptime */
433c2aa98e2SPeter Wemm #define M_NOMX		'0'	/* turn off MX lookups */
434c2aa98e2SPeter Wemm #define M_NONULLS	'1'	/* don't send null bytes */
43540266059SGregory Neil Shapiro #define M_FSMTP		'2'	/* force SMTP (no ESMTP even if offered) */
436c2aa98e2SPeter Wemm #define M_EBCDIC	'3'	/* extend Q-P encoding for EBCDIC */
437c2aa98e2SPeter Wemm #define M_TRYRULESET5	'5'	/* use ruleset 5 after local aliasing */
438c2aa98e2SPeter Wemm #define M_7BITHDRS	'6'	/* strip headers to 7 bits even in 8 bit path */
439c2aa98e2SPeter Wemm #define M_7BITS		'7'	/* use 7-bit path */
440c2aa98e2SPeter Wemm #define M_8BITS		'8'	/* force "just send 8" behaviour */
441c2aa98e2SPeter Wemm #define M_MAKE8BIT	'9'	/* convert 7 -> 8 bit if appropriate */
442c2aa98e2SPeter Wemm #define M_CHECKINCLUDE	':'	/* check for :include: files */
443c2aa98e2SPeter Wemm #define M_CHECKPROG	'|'	/* check for |program addresses */
444c2aa98e2SPeter Wemm #define M_CHECKFILE	'/'	/* check for /file addresses */
445c2aa98e2SPeter Wemm #define M_CHECKUDB	'@'	/* user can be user database key */
446c2aa98e2SPeter Wemm #define M_CHECKHDIR	'~'	/* SGI: check for valid home directory */
44706f25ae9SGregory Neil Shapiro #define M_HOLD		'%'	/* Hold delivery until ETRN/-qI/-qR/-qS */
44806f25ae9SGregory Neil Shapiro #define M_PLUS		'+'	/* Reserved: Used in mc for adding new flags */
44906f25ae9SGregory Neil Shapiro #define M_MINUS		'-'	/* Reserved: Used in mc for removing flags */
450c2aa98e2SPeter Wemm 
45106f25ae9SGregory Neil Shapiro /* functions */
45206f25ae9SGregory Neil Shapiro extern void	initerrmailers __P((void));
45306f25ae9SGregory Neil Shapiro extern void	makemailer __P((char *));
45440266059SGregory Neil Shapiro extern void	makequeue __P((char *, bool));
455605302a5SGregory Neil Shapiro extern void	runqueueevent __P((void));
456605302a5SGregory Neil Shapiro #if _FFR_QUEUE_RUN_PARANOIA
457605302a5SGregory Neil Shapiro extern bool	checkqueuerunner __P((void));
458605302a5SGregory Neil Shapiro #endif /* _FFR_QUEUE_RUN_PARANOIA */
459c2aa98e2SPeter Wemm 
46040266059SGregory Neil Shapiro EXTERN MAILER	*FileMailer;	/* ptr to *file* mailer */
46140266059SGregory Neil Shapiro EXTERN MAILER	*InclMailer;	/* ptr to *include* mailer */
46240266059SGregory Neil Shapiro EXTERN MAILER	*LocalMailer;	/* ptr to local mailer */
46340266059SGregory Neil Shapiro EXTERN MAILER	*ProgMailer;	/* ptr to program mailer */
46440266059SGregory Neil Shapiro EXTERN MAILER	*Mailer[MAXMAILERS + 1];
46540266059SGregory Neil Shapiro 
46640266059SGregory Neil Shapiro /*
46740266059SGregory Neil Shapiro **  Queue group definition structure.
46840266059SGregory Neil Shapiro **	Every queue group known to the system is declared in this structure.
46940266059SGregory Neil Shapiro **	It defines the basic pathname of the queue group, some flags
47040266059SGregory Neil Shapiro **	associated with it, and the argument vector to pass to it.
47140266059SGregory Neil Shapiro */
47240266059SGregory Neil Shapiro 
47340266059SGregory Neil Shapiro struct qpaths_s
47440266059SGregory Neil Shapiro {
47540266059SGregory Neil Shapiro 	char	*qp_name;	/* name of queue dir, relative path */
47640266059SGregory Neil Shapiro 	short	qp_subdirs;	/* use subdirs? */
47740266059SGregory Neil Shapiro 	short	qp_fsysidx;	/* file system index of this directory */
47840266059SGregory Neil Shapiro # if SM_CONF_SHM
47940266059SGregory Neil Shapiro 	int	qp_idx;		/* index into array for queue information */
48040266059SGregory Neil Shapiro # endif /* SM_CONF_SHM */
48140266059SGregory Neil Shapiro };
48240266059SGregory Neil Shapiro 
48340266059SGregory Neil Shapiro typedef struct qpaths_s QPATHS;
48440266059SGregory Neil Shapiro 
48540266059SGregory Neil Shapiro struct queuegrp
48640266059SGregory Neil Shapiro {
48740266059SGregory Neil Shapiro 	char	*qg_name;	/* symbolic name of this queue group */
48840266059SGregory Neil Shapiro 
48940266059SGregory Neil Shapiro 	/*
49040266059SGregory Neil Shapiro 	**  For now this is the same across all queue groups.
49140266059SGregory Neil Shapiro 	**  Otherwise we have to play around with chdir().
49240266059SGregory Neil Shapiro 	*/
49340266059SGregory Neil Shapiro 
49440266059SGregory Neil Shapiro 	char	*qg_qdir;	/* common component of queue directory */
49540266059SGregory Neil Shapiro 	short	qg_index;	/* queue number internally, index in Queue[] */
49640266059SGregory Neil Shapiro 	int	qg_maxqrun;	/* max # of jobs in 1 queuerun */
49740266059SGregory Neil Shapiro 	int	qg_numqueues;	/* number of queues in this queue */
49840266059SGregory Neil Shapiro 
49940266059SGregory Neil Shapiro 	/*
50040266059SGregory Neil Shapiro 	**  qg_queueintvl == 0 denotes that no individual value is used.
50140266059SGregory Neil Shapiro 	**  Whatever accesses this must deal with "<= 0" as
50240266059SGregory Neil Shapiro 	**  "not set, use appropriate default".
50340266059SGregory Neil Shapiro 	*/
50440266059SGregory Neil Shapiro 
50540266059SGregory Neil Shapiro 	time_t	qg_queueintvl;	/* interval for queue runs */
50640266059SGregory Neil Shapiro 	QPATHS	*qg_qpaths;	/* list of queue directories */
50740266059SGregory Neil Shapiro 	BITMAP256 qg_flags;	/* status flags, see below */
50840266059SGregory Neil Shapiro 	short	qg_nice;	/* niceness for queue run */
50940266059SGregory Neil Shapiro 	int	qg_wgrp;	/* Assigned to this work group */
51040266059SGregory Neil Shapiro 	int     qg_maxlist;	/* max items in work queue for this group */
51140266059SGregory Neil Shapiro 	int     qg_curnum;	/* current number of queue for queue runs */
51240266059SGregory Neil Shapiro 	int	qg_maxrcpt;	/* max recipients per envelope, 0==no limit */
51340266059SGregory Neil Shapiro 
514605302a5SGregory Neil Shapiro 	time_t	qg_nextrun;	/* time for next queue runs */
515605302a5SGregory Neil Shapiro #if _FFR_QUEUE_GROUP_SORTORDER
51640266059SGregory Neil Shapiro 	short	qg_sortorder;	/* how do we sort this queuerun */
517605302a5SGregory Neil Shapiro #endif /* _FFR_QUEUE_GROUP_SORTORDER */
518605302a5SGregory Neil Shapiro #if 0
51940266059SGregory Neil Shapiro 	long	qg_wkrcptfact;	/* multiplier for # recipients -> priority */
52040266059SGregory Neil Shapiro 	long	qg_qfactor;	/* slope of queue function */
52140266059SGregory Neil Shapiro 	bool	qg_doqueuerun;	/* XXX flag is it time to do a queuerun */
52240266059SGregory Neil Shapiro #endif /* 0 */
52340266059SGregory Neil Shapiro };
52440266059SGregory Neil Shapiro 
52540266059SGregory Neil Shapiro /* bits for qg_flags (XXX: unused as of now) */
52640266059SGregory Neil Shapiro #define QD_DEFINED	((char) 1)	/* queue group has been defined */
52740266059SGregory Neil Shapiro #define QD_FORK		'f'	/* fork queue runs */
52840266059SGregory Neil Shapiro 
52940266059SGregory Neil Shapiro extern void	filesys_update __P((void));
53040266059SGregory Neil Shapiro #if _FFR_ANY_FREE_FS
53140266059SGregory Neil Shapiro extern bool	filesys_free __P((long));
53240266059SGregory Neil Shapiro #endif /* _FFR_ANY_FREE_FS */
53340266059SGregory Neil Shapiro 
53440266059SGregory Neil Shapiro #if SASL
53540266059SGregory Neil Shapiro /*
53640266059SGregory Neil Shapiro **  SASL
53740266059SGregory Neil Shapiro */
53840266059SGregory Neil Shapiro 
53940266059SGregory Neil Shapiro /* lines in authinfo file or index into SASL_AI_T */
54040266059SGregory Neil Shapiro # define SASL_WRONG	(-1)
54140266059SGregory Neil Shapiro # define SASL_USER	0	/* authorization id (user) */
54240266059SGregory Neil Shapiro # define SASL_AUTHID	1	/* authentication id */
54340266059SGregory Neil Shapiro # define SASL_PASSWORD	2	/* password fuer authid */
54440266059SGregory Neil Shapiro # define SASL_DEFREALM	3	/* realm to use */
54540266059SGregory Neil Shapiro # define SASL_MECHLIST	4	/* list of mechanisms to try */
54640266059SGregory Neil Shapiro # define SASL_ID_REALM	5	/* authid@defrealm */
54740266059SGregory Neil Shapiro 
54840266059SGregory Neil Shapiro /*
54940266059SGregory Neil Shapiro **  Current mechanism; this is just used to convey information between
55040266059SGregory Neil Shapiro **  invocation of SASL callback functions.
55140266059SGregory Neil Shapiro **  It must be last in the list, because it's not allocated by us
55240266059SGregory Neil Shapiro **  and hence we don't free() it.
55340266059SGregory Neil Shapiro */
55440266059SGregory Neil Shapiro # define SASL_MECH	6
55540266059SGregory Neil Shapiro # define SASL_ENTRIES	7	/* number of entries in array */
55640266059SGregory Neil Shapiro 
55740266059SGregory Neil Shapiro # define SASL_USER_BIT		(1 << SASL_USER)
55840266059SGregory Neil Shapiro # define SASL_AUTHID_BIT	(1 << SASL_AUTHID)
55940266059SGregory Neil Shapiro # define SASL_PASSWORD_BIT	(1 << SASL_PASSWORD)
56040266059SGregory Neil Shapiro # define SASL_DEFREALM_BIT	(1 << SASL_DEFREALM)
56140266059SGregory Neil Shapiro # define SASL_MECHLIST_BIT	(1 << SASL_MECHLIST)
56240266059SGregory Neil Shapiro 
56340266059SGregory Neil Shapiro /* authenticated? */
56440266059SGregory Neil Shapiro # define SASL_NOT_AUTH	0		/* not authenticated */
56540266059SGregory Neil Shapiro # define SASL_PROC_AUTH	1		/* in process of authenticating */
56640266059SGregory Neil Shapiro # define SASL_IS_AUTH	2		/* authenticated */
56740266059SGregory Neil Shapiro 
56840266059SGregory Neil Shapiro /* SASL options */
56940266059SGregory Neil Shapiro # define SASL_AUTH_AUTH	0x1000		/* use auth= only if authenticated */
57094c01205SGregory Neil Shapiro # if SASL >= 20101
57194c01205SGregory Neil Shapiro #  define SASL_SEC_MASK	SASL_SEC_MAXIMUM /* mask for SASL_SEC_* values: sasl.h */
57294c01205SGregory Neil Shapiro # else /* SASL >= 20101 */
57340266059SGregory Neil Shapiro #  define SASL_SEC_MASK	0x0fff		/* mask for SASL_SEC_* values: sasl.h */
57440266059SGregory Neil Shapiro #  if (SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 || \
57540266059SGregory Neil Shapiro 	(SASL_SEC_NOACTIVE & SASL_SEC_MASK) == 0 || \
57640266059SGregory Neil Shapiro 	(SASL_SEC_NODICTIONARY & SASL_SEC_MASK) == 0 || \
57740266059SGregory Neil Shapiro 	(SASL_SEC_FORWARD_SECRECY & SASL_SEC_MASK) == 0 || \
57840266059SGregory Neil Shapiro 	(SASL_SEC_NOANONYMOUS & SASL_SEC_MASK) == 0 || \
57940266059SGregory Neil Shapiro 	(SASL_SEC_PASS_CREDENTIALS & SASL_SEC_MASK) == 0
58040266059SGregory Neil Shapiro ERROR: change SASL_SEC_MASK_ notify sendmail.org!
58140266059SGregory Neil Shapiro #  endif /* SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 ... */
58294c01205SGregory Neil Shapiro # endif /* SASL >= 20101 */
58340266059SGregory Neil Shapiro # define MAXOUTLEN 1024			/* length of output buffer */
58440266059SGregory Neil Shapiro 
58540266059SGregory Neil Shapiro /* functions */
58640266059SGregory Neil Shapiro extern char	*intersect __P((char *, char *, SM_RPOOL_T *));
58740266059SGregory Neil Shapiro extern char	*iteminlist __P((char *, char *, char *));
58894c01205SGregory Neil Shapiro # if SASL >= 20000
58994c01205SGregory Neil Shapiro extern int	proxy_policy __P((sasl_conn_t *, void *, const char *, unsigned, const char *, unsigned, const char *, unsigned, struct propctx *));
59094c01205SGregory Neil Shapiro extern int	safesaslfile __P((void *, const char *, sasl_verify_type_t));
59194c01205SGregory Neil Shapiro # else /* SASL >= 20000 */
59240266059SGregory Neil Shapiro extern int	proxy_policy __P((void *, const char *, const char *, const char **, const char **));
59340266059SGregory Neil Shapiro #  if SASL > 10515
59440266059SGregory Neil Shapiro extern int	safesaslfile __P((void *, char *, int));
59540266059SGregory Neil Shapiro #  else /* SASL > 10515 */
59640266059SGregory Neil Shapiro extern int	safesaslfile __P((void *, char *));
59740266059SGregory Neil Shapiro #  endif /* SASL > 10515 */
59894c01205SGregory Neil Shapiro # endif /* SASL >= 20000 */
59940266059SGregory Neil Shapiro extern void	stop_sasl_client __P((void));
60040266059SGregory Neil Shapiro 
60140266059SGregory Neil Shapiro /* structure to store authinfo */
60240266059SGregory Neil Shapiro typedef char *SASL_AI_T[SASL_ENTRIES];
60340266059SGregory Neil Shapiro 
60440266059SGregory Neil Shapiro EXTERN char	*AuthMechanisms;	/* AUTH mechanisms */
60540266059SGregory Neil Shapiro EXTERN char	*SASLInfo;	/* file with AUTH info */
60640266059SGregory Neil Shapiro EXTERN int	SASLOpts;	/* options for SASL */
60740266059SGregory Neil Shapiro EXTERN int	MaxSLBits;	/* max. encryption bits for SASL */
60840266059SGregory Neil Shapiro #endif /* SASL */
60940266059SGregory Neil Shapiro 
61040266059SGregory Neil Shapiro /*
61140266059SGregory Neil Shapiro **  Structure to store macros.
61240266059SGregory Neil Shapiro */
61340266059SGregory Neil Shapiro typedef struct
61440266059SGregory Neil Shapiro {
61540266059SGregory Neil Shapiro 	SM_RPOOL_T	*mac_rpool;		/* resource pool */
61640266059SGregory Neil Shapiro 	BITMAP256	mac_allocated;		/* storage has been alloc()? */
61740266059SGregory Neil Shapiro 	char		*mac_table[MAXMACROID + 1];	/* macros */
61840266059SGregory Neil Shapiro } MACROS_T;
61940266059SGregory Neil Shapiro 
62040266059SGregory Neil Shapiro EXTERN MACROS_T		GlobalMacros;
62140266059SGregory Neil Shapiro 
62240266059SGregory Neil Shapiro /*
623c2aa98e2SPeter Wemm **  Information about currently open connections to mailers, or to
624c2aa98e2SPeter Wemm **  hosts that we have looked up recently.
625c2aa98e2SPeter Wemm */
626c2aa98e2SPeter Wemm 
627c2aa98e2SPeter Wemm #define MCI		struct mailer_con_info
628c2aa98e2SPeter Wemm 
629c2aa98e2SPeter Wemm MCI
630c2aa98e2SPeter Wemm {
63140266059SGregory Neil Shapiro 	unsigned long	mci_flags;	/* flag bits, see below */
632c2aa98e2SPeter Wemm 	short		mci_errno;	/* error number on last connection */
633c2aa98e2SPeter Wemm 	short		mci_herrno;	/* h_errno from last DNS lookup */
634c2aa98e2SPeter Wemm 	short		mci_exitstat;	/* exit status from last connection */
635c2aa98e2SPeter Wemm 	short		mci_state;	/* SMTP state */
63606f25ae9SGregory Neil Shapiro 	int		mci_deliveries;	/* delivery attempts for connection */
637c2aa98e2SPeter Wemm 	long		mci_maxsize;	/* max size this server will accept */
63840266059SGregory Neil Shapiro 	SM_FILE_T	*mci_in;	/* input side of connection */
63940266059SGregory Neil Shapiro 	SM_FILE_T	*mci_out;	/* output side of connection */
640c2aa98e2SPeter Wemm 	pid_t		mci_pid;	/* process id of subordinate proc */
641c2aa98e2SPeter Wemm 	char		*mci_phase;	/* SMTP phase string */
642c2aa98e2SPeter Wemm 	struct mailer	*mci_mailer;	/* ptr to the mailer for this conn */
643c2aa98e2SPeter Wemm 	char		*mci_host;	/* host name */
644c2aa98e2SPeter Wemm 	char		*mci_status;	/* DSN status to be copied to addrs */
645c2aa98e2SPeter Wemm 	char		*mci_rstatus;	/* SMTP status to be copied to addrs */
646c2aa98e2SPeter Wemm 	time_t		mci_lastuse;	/* last usage time */
64740266059SGregory Neil Shapiro 	SM_FILE_T	*mci_statfile;	/* long term status file */
64806f25ae9SGregory Neil Shapiro 	char		*mci_heloname;	/* name to use as HELO arg */
64940266059SGregory Neil Shapiro 	long		mci_min_by;	/* minimum DELIVERBY */
65040266059SGregory Neil Shapiro 	bool		mci_retryrcpt;	/* tempfail for at least one rcpt */
65140266059SGregory Neil Shapiro 	char		*mci_tolist;	/* list of valid recipients */
65240266059SGregory Neil Shapiro 	SM_RPOOL_T	*mci_rpool;	/* resource pool */
65340266059SGregory Neil Shapiro #if PIPELINING
65440266059SGregory Neil Shapiro 	int		mci_okrcpts;	/* number of valid recipients */
65540266059SGregory Neil Shapiro 	ADDRESS		*mci_nextaddr;	/* next address for pipelined status */
65640266059SGregory Neil Shapiro #endif /* PIPELINING */
65706f25ae9SGregory Neil Shapiro #if SASL
65840266059SGregory Neil Shapiro 	SASL_AI_T	mci_sai;	/* authentication info */
65906f25ae9SGregory Neil Shapiro 	bool		mci_sasl_auth;	/* authenticated? */
66006f25ae9SGregory Neil Shapiro 	int		mci_sasl_string_len;
66106f25ae9SGregory Neil Shapiro 	char		*mci_sasl_string;	/* sasl reply string */
66206f25ae9SGregory Neil Shapiro 	char		*mci_saslcap;	/* SASL list of mechanisms */
66306f25ae9SGregory Neil Shapiro 	sasl_conn_t	*mci_conn;	/* SASL connection */
66406f25ae9SGregory Neil Shapiro #endif /* SASL */
66506f25ae9SGregory Neil Shapiro #if STARTTLS
66606f25ae9SGregory Neil Shapiro 	SSL		*mci_ssl;	/* SSL connection */
66706f25ae9SGregory Neil Shapiro #endif /* STARTTLS */
66840266059SGregory Neil Shapiro 	MACROS_T	mci_macro;	/* macro definitions */
669c2aa98e2SPeter Wemm };
670c2aa98e2SPeter Wemm 
671c2aa98e2SPeter Wemm 
672c2aa98e2SPeter Wemm /* flag bits */
67306f25ae9SGregory Neil Shapiro #define MCIF_VALID	0x00000001	/* this entry is valid */
67440266059SGregory Neil Shapiro /* 0x00000002 unused, was MCIF_TEMP */
67506f25ae9SGregory Neil Shapiro #define MCIF_CACHED	0x00000004	/* currently in open cache */
67606f25ae9SGregory Neil Shapiro #define MCIF_ESMTP	0x00000008	/* this host speaks ESMTP */
67706f25ae9SGregory Neil Shapiro #define MCIF_EXPN	0x00000010	/* EXPN command supported */
67806f25ae9SGregory Neil Shapiro #define MCIF_SIZE	0x00000020	/* SIZE option supported */
67906f25ae9SGregory Neil Shapiro #define MCIF_8BITMIME	0x00000040	/* BODY=8BITMIME supported */
68006f25ae9SGregory Neil Shapiro #define MCIF_7BIT	0x00000080	/* strip this message to 7 bits */
681605302a5SGregory Neil Shapiro /* 0x00000100 unused, was MCIF_MULTSTAT: MAIL11V3: handles MULT status */
68206f25ae9SGregory Neil Shapiro #define MCIF_INHEADER	0x00000200	/* currently outputing header */
68306f25ae9SGregory Neil Shapiro #define MCIF_CVT8TO7	0x00000400	/* convert from 8 to 7 bits */
68406f25ae9SGregory Neil Shapiro #define MCIF_DSN	0x00000800	/* DSN extension supported */
68506f25ae9SGregory Neil Shapiro #define MCIF_8BITOK	0x00001000	/* OK to send 8 bit characters */
68606f25ae9SGregory Neil Shapiro #define MCIF_CVT7TO8	0x00002000	/* convert from 7 to 8 bits */
68706f25ae9SGregory Neil Shapiro #define MCIF_INMIME	0x00004000	/* currently reading MIME header */
68806f25ae9SGregory Neil Shapiro #define MCIF_AUTH	0x00008000	/* AUTH= supported */
68906f25ae9SGregory Neil Shapiro #define MCIF_AUTHACT	0x00010000	/* SASL (AUTH) active */
69006f25ae9SGregory Neil Shapiro #define MCIF_ENHSTAT	0x00020000	/* ENHANCEDSTATUSCODES supported */
69140266059SGregory Neil Shapiro #define MCIF_PIPELINED	0x00040000	/* PIPELINING supported */
69206f25ae9SGregory Neil Shapiro #if STARTTLS
69306f25ae9SGregory Neil Shapiro #define MCIF_TLS	0x00100000	/* STARTTLS supported */
69406f25ae9SGregory Neil Shapiro #define MCIF_TLSACT	0x00200000	/* STARTTLS active */
69506f25ae9SGregory Neil Shapiro #define MCIF_EXTENS	(MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS)
69606f25ae9SGregory Neil Shapiro #else /* STARTTLS */
69706f25ae9SGregory Neil Shapiro #define MCIF_EXTENS	(MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT)
69806f25ae9SGregory Neil Shapiro #endif /* STARTTLS */
69940266059SGregory Neil Shapiro #define MCIF_DLVR_BY	0x00400000	/* DELIVERBY */
70040266059SGregory Neil Shapiro #if _FFR_IGNORE_EXT_ON_HELO
70140266059SGregory Neil Shapiro # define MCIF_HELO	0x00800000	/* we used HELO: ignore extensions */
70240266059SGregory Neil Shapiro #endif /* _FFR_IGNORE_EXT_ON_HELO */
703193538b7SGregory Neil Shapiro #define MCIF_ONLY_EHLO	0x10000000	/* use only EHLO in smtpinit */
704193538b7SGregory Neil Shapiro 
705c2aa98e2SPeter Wemm /* states */
706c2aa98e2SPeter Wemm #define MCIS_CLOSED	0		/* no traffic on this connection */
707c2aa98e2SPeter Wemm #define MCIS_OPENING	1		/* sending initial protocol */
708c2aa98e2SPeter Wemm #define MCIS_OPEN	2		/* open, initial protocol sent */
70940266059SGregory Neil Shapiro #define MCIS_MAIL	3		/* MAIL command sent */
71040266059SGregory Neil Shapiro #define MCIS_RCPT	4		/* RCPT commands being sent */
71140266059SGregory Neil Shapiro #define MCIS_DATA	5		/* DATA command sent */
71240266059SGregory Neil Shapiro #define MCIS_QUITING	6		/* running quit protocol */
71340266059SGregory Neil Shapiro #define MCIS_SSD	7		/* service shutting down */
71440266059SGregory Neil Shapiro #define MCIS_ERROR	8		/* I/O error on connection */
715c2aa98e2SPeter Wemm 
716c2aa98e2SPeter Wemm /* functions */
717c2aa98e2SPeter Wemm extern void	mci_cache __P((MCI *));
718c2aa98e2SPeter Wemm extern void	mci_dump __P((MCI *, bool));
719c2aa98e2SPeter Wemm extern void	mci_dump_all __P((bool));
72006f25ae9SGregory Neil Shapiro extern void	mci_flush __P((bool, MCI *));
72106f25ae9SGregory Neil Shapiro extern MCI	*mci_get __P((char *, MAILER *));
72206f25ae9SGregory Neil Shapiro extern int	mci_lock_host __P((MCI *));
72306f25ae9SGregory Neil Shapiro extern bool	mci_match __P((char *, MAILER *));
724c2aa98e2SPeter Wemm extern int	mci_print_persistent __P((char *, char *));
725c2aa98e2SPeter Wemm extern int	mci_purge_persistent __P((char *, char *));
72606f25ae9SGregory Neil Shapiro extern MCI	**mci_scan __P((MCI *));
72706f25ae9SGregory Neil Shapiro extern void	mci_setstat __P((MCI *, int, char *, char *));
728c2aa98e2SPeter Wemm extern void	mci_store_persistent __P((MCI *));
72906f25ae9SGregory Neil Shapiro extern int	mci_traverse_persistent __P((int (*)(), char *));
73006f25ae9SGregory Neil Shapiro extern void	mci_unlock_host __P((MCI *));
73106f25ae9SGregory Neil Shapiro 
73240266059SGregory Neil Shapiro EXTERN int	MaxMciCache;		/* maximum entries in MCI cache */
73340266059SGregory Neil Shapiro EXTERN time_t	MciCacheTimeout;	/* maximum idle time on connections */
73440266059SGregory Neil Shapiro EXTERN time_t	MciInfoTimeout;		/* how long 'til we retry down hosts */
73540266059SGregory Neil Shapiro 
73640266059SGregory Neil Shapiro /*
737c2aa98e2SPeter Wemm **  Header structure.
738c2aa98e2SPeter Wemm **	This structure is used internally to store header items.
739c2aa98e2SPeter Wemm */
740c2aa98e2SPeter Wemm 
741c2aa98e2SPeter Wemm struct header
742c2aa98e2SPeter Wemm {
743c2aa98e2SPeter Wemm 	char		*h_field;	/* the name of the field */
744c2aa98e2SPeter Wemm 	char		*h_value;	/* the value of that field */
745c2aa98e2SPeter Wemm 	struct header	*h_link;	/* the next header */
74640266059SGregory Neil Shapiro 	unsigned char	h_macro;	/* include header if macro defined */
74740266059SGregory Neil Shapiro 	unsigned long	h_flags;	/* status bits, see below */
74806f25ae9SGregory Neil Shapiro 	BITMAP256	h_mflags;	/* m_flags bits needed */
749c2aa98e2SPeter Wemm };
750c2aa98e2SPeter Wemm 
751c2aa98e2SPeter Wemm typedef struct header	HDR;
752c2aa98e2SPeter Wemm 
753c2aa98e2SPeter Wemm /*
754c2aa98e2SPeter Wemm **  Header information structure.
755c2aa98e2SPeter Wemm **	Defined in conf.c, this struct declares the header fields
756c2aa98e2SPeter Wemm **	that have some magic meaning.
757c2aa98e2SPeter Wemm */
758c2aa98e2SPeter Wemm 
759c2aa98e2SPeter Wemm struct hdrinfo
760c2aa98e2SPeter Wemm {
761c2aa98e2SPeter Wemm 	char		*hi_field;	/* the name of the field */
76240266059SGregory Neil Shapiro 	unsigned long	hi_flags;	/* status bits, see below */
763c2aa98e2SPeter Wemm 	char		*hi_ruleset;	/* validity check ruleset */
764c2aa98e2SPeter Wemm };
765c2aa98e2SPeter Wemm 
766c2aa98e2SPeter Wemm extern struct hdrinfo	HdrInfo[];
767c2aa98e2SPeter Wemm 
768c2aa98e2SPeter Wemm /* bits for h_flags and hi_flags */
76906f25ae9SGregory Neil Shapiro #define H_EOH		0x00000001	/* field terminates header */
77006f25ae9SGregory Neil Shapiro #define H_RCPT		0x00000002	/* contains recipient addresses */
77106f25ae9SGregory Neil Shapiro #define H_DEFAULT	0x00000004	/* if another value is found, drop this */
77206f25ae9SGregory Neil Shapiro #define H_RESENT	0x00000008	/* this address is a "Resent-..." address */
77306f25ae9SGregory Neil Shapiro #define H_CHECK		0x00000010	/* check h_mflags against m_flags */
77406f25ae9SGregory Neil Shapiro #define H_ACHECK	0x00000020	/* ditto, but always (not just default) */
77506f25ae9SGregory Neil Shapiro #define H_FORCE		0x00000040	/* force this field, even if default */
77606f25ae9SGregory Neil Shapiro #define H_TRACE		0x00000080	/* this field contains trace information */
77706f25ae9SGregory Neil Shapiro #define H_FROM		0x00000100	/* this is a from-type field */
77806f25ae9SGregory Neil Shapiro #define H_VALID		0x00000200	/* this field has a validated value */
77906f25ae9SGregory Neil Shapiro #define H_RECEIPTTO	0x00000400	/* field has return receipt info */
78006f25ae9SGregory Neil Shapiro #define H_ERRORSTO	0x00000800	/* field has error address info */
78106f25ae9SGregory Neil Shapiro #define H_CTE		0x00001000	/* field is a content-transfer-encoding */
78206f25ae9SGregory Neil Shapiro #define H_CTYPE		0x00002000	/* this is a content-type field */
78306f25ae9SGregory Neil Shapiro #define H_BCC		0x00004000	/* Bcc: header: strip value or delete */
78406f25ae9SGregory Neil Shapiro #define H_ENCODABLE	0x00008000	/* field can be RFC 1522 encoded */
78506f25ae9SGregory Neil Shapiro #define H_STRIPCOMM	0x00010000	/* header check: strip comments */
78606f25ae9SGregory Neil Shapiro #define H_BINDLATE	0x00020000	/* only expand macros at deliver */
78706f25ae9SGregory Neil Shapiro #define H_USER		0x00040000	/* header came from the user/SMTP */
78806f25ae9SGregory Neil Shapiro 
78906f25ae9SGregory Neil Shapiro /* bits for chompheader() */
79006f25ae9SGregory Neil Shapiro #define CHHDR_DEF	0x0001	/* default header */
79106f25ae9SGregory Neil Shapiro #define CHHDR_CHECK	0x0002	/* call ruleset for header */
79206f25ae9SGregory Neil Shapiro #define CHHDR_USER	0x0004	/* header from user */
79340266059SGregory Neil Shapiro #define CHHDR_QUEUE	0x0008	/* header from queue file */
794c2aa98e2SPeter Wemm 
795c2aa98e2SPeter Wemm /* functions */
79640266059SGregory Neil Shapiro extern void	addheader __P((char *, char *, int, ENVELOPE *));
79740266059SGregory Neil Shapiro extern unsigned long	chompheader __P((char *, int, HDR **, ENVELOPE *));
798c2aa98e2SPeter Wemm extern void	commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *));
79940266059SGregory Neil Shapiro extern HDR	*copyheader __P((HDR *, SM_RPOOL_T *));
80040266059SGregory Neil Shapiro extern void	eatheader __P((ENVELOPE *, bool, bool));
80106f25ae9SGregory Neil Shapiro extern char	*hvalue __P((char *, HDR *));
80206f25ae9SGregory Neil Shapiro extern bool	isheader __P((char *));
80306f25ae9SGregory Neil Shapiro extern void	putfromline __P((MCI *, ENVELOPE *));
80406f25ae9SGregory Neil Shapiro extern void	setupheaders __P((void));
80506f25ae9SGregory Neil Shapiro 
80640266059SGregory Neil Shapiro /*
80706f25ae9SGregory Neil Shapiro **  Performance monitoring
80806f25ae9SGregory Neil Shapiro */
80906f25ae9SGregory Neil Shapiro 
81006f25ae9SGregory Neil Shapiro #define TIMERS		struct sm_timers
81106f25ae9SGregory Neil Shapiro 
81206f25ae9SGregory Neil Shapiro TIMERS
81306f25ae9SGregory Neil Shapiro {
81406f25ae9SGregory Neil Shapiro 	TIMER	ti_overall;	/* the whole process */
81506f25ae9SGregory Neil Shapiro };
81606f25ae9SGregory Neil Shapiro 
81706f25ae9SGregory Neil Shapiro 
81806f25ae9SGregory Neil Shapiro #define PUSHTIMER(l, t)	{ if (tTd(98, l)) pushtimer(&t); }
81906f25ae9SGregory Neil Shapiro #define POPTIMER(l, t)	{ if (tTd(98, l)) poptimer(&t); }
82006f25ae9SGregory Neil Shapiro 
82140266059SGregory Neil Shapiro /*
822c2aa98e2SPeter Wemm **  Envelope structure.
823c2aa98e2SPeter Wemm **	This structure defines the message itself.  There is usually
824c2aa98e2SPeter Wemm **	only one of these -- for the message that we originally read
825c2aa98e2SPeter Wemm **	and which is our primary interest -- but other envelopes can
826c2aa98e2SPeter Wemm **	be generated during processing.  For example, error messages
827c2aa98e2SPeter Wemm **	will have their own envelope.
828c2aa98e2SPeter Wemm */
829c2aa98e2SPeter Wemm 
830c2aa98e2SPeter Wemm struct envelope
831c2aa98e2SPeter Wemm {
832c2aa98e2SPeter Wemm 	HDR		*e_header;	/* head of header list */
833c2aa98e2SPeter Wemm 	long		e_msgpriority;	/* adjusted priority of this message */
834c2aa98e2SPeter Wemm 	time_t		e_ctime;	/* time message appeared in the queue */
83540266059SGregory Neil Shapiro 	char		*e_to;		/* (list of) target person(s) */
836c2aa98e2SPeter Wemm 	ADDRESS		e_from;		/* the person it is from */
837c2aa98e2SPeter Wemm 	char		*e_sender;	/* e_from.q_paddr w comments stripped */
838c2aa98e2SPeter Wemm 	char		**e_fromdomain;	/* the domain part of the sender */
839c2aa98e2SPeter Wemm 	ADDRESS		*e_sendqueue;	/* list of message recipients */
840c2aa98e2SPeter Wemm 	ADDRESS		*e_errorqueue;	/* the queue for error responses */
84142e5d165SGregory Neil Shapiro 
84242e5d165SGregory Neil Shapiro 	/*
84342e5d165SGregory Neil Shapiro 	**  Overflow detection is based on < 0, so don't change this
84442e5d165SGregory Neil Shapiro 	**  to unsigned.  We don't use unsigned and == ULONG_MAX because
84542e5d165SGregory Neil Shapiro 	**  some libc's don't have strtoul(), see mail_esmtp_args().
84642e5d165SGregory Neil Shapiro 	*/
84740266059SGregory Neil Shapiro 
848c2aa98e2SPeter Wemm 	long		e_msgsize;	/* size of the message in bytes */
84940266059SGregory Neil Shapiro 	char		*e_msgid;	/* message id (for logging) */
85040266059SGregory Neil Shapiro 	unsigned long	e_flags;	/* flags, see below */
851c2aa98e2SPeter Wemm 	int		e_nrcpts;	/* number of recipients */
852c2aa98e2SPeter Wemm 	short		e_class;	/* msg class (priority, junk, etc.) */
853c2aa98e2SPeter Wemm 	short		e_hopcount;	/* number of times processed */
854c2aa98e2SPeter Wemm 	short		e_nsent;	/* number of sends since checkpoint */
855c2aa98e2SPeter Wemm 	short		e_sendmode;	/* message send mode */
856c2aa98e2SPeter Wemm 	short		e_errormode;	/* error return mode */
857c2aa98e2SPeter Wemm 	short		e_timeoutclass;	/* message timeout class */
8582e43090eSPeter Wemm 	void		(*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int));
859c2aa98e2SPeter Wemm 					/* function to put header of message */
860c2aa98e2SPeter Wemm 	void		(*e_putbody)__P((MCI *, ENVELOPE *, char *));
861c2aa98e2SPeter Wemm 					/* function to put body of message */
86206f25ae9SGregory Neil Shapiro 	ENVELOPE	*e_parent;	/* the message this one encloses */
86306f25ae9SGregory Neil Shapiro 	ENVELOPE	*e_sibling;	/* the next envelope of interest */
864c2aa98e2SPeter Wemm 	char		*e_bodytype;	/* type of message body */
86540266059SGregory Neil Shapiro 	SM_FILE_T	*e_dfp;		/* data file */
866c2aa98e2SPeter Wemm 	char		*e_id;		/* code for this entry in queue */
86740266059SGregory Neil Shapiro 	int		e_qgrp;		/* queue group (index into queues) */
86840266059SGregory Neil Shapiro 	int		e_qdir;		/* index into queue directories */
86940266059SGregory Neil Shapiro 	int		e_dfqgrp;	/* data file queue group index */
87040266059SGregory Neil Shapiro 	int		e_dfqdir;	/* data file queue directory index */
87140266059SGregory Neil Shapiro 	int		e_xfqgrp;	/* queue group (index into queues) */
87240266059SGregory Neil Shapiro 	int		e_xfqdir;	/* index into queue directories (xf) */
87340266059SGregory Neil Shapiro 	SM_FILE_T	*e_xfp;		/* transcript file */
87440266059SGregory Neil Shapiro 	SM_FILE_T	*e_lockfp;	/* the lock file for this message */
87540266059SGregory Neil Shapiro 	char		*e_message;	/* error message; readonly; NULL, or
87640266059SGregory Neil Shapiro 					 * static storage, or allocated from
87740266059SGregory Neil Shapiro 					 * e_rpool */
87840266059SGregory Neil Shapiro 	char		*e_statmsg;	/* stat msg (changes per delivery).
87940266059SGregory Neil Shapiro 					 * readonly. NULL or allocated from
88040266059SGregory Neil Shapiro 					 * e_rpool. */
88140266059SGregory Neil Shapiro #if _FFR_QUARANTINE
88240266059SGregory Neil Shapiro 	char		*e_quarmsg;	/* why envelope is quarantined */
88340266059SGregory Neil Shapiro 	char		e_qfletter;	/* queue file letter on disk */
88440266059SGregory Neil Shapiro #endif /* _FFR_QUARANTINE */
885c2aa98e2SPeter Wemm 	char		*e_msgboundary;	/* MIME-style message part boundary */
886c2aa98e2SPeter Wemm 	char		*e_origrcpt;	/* original recipient (one only) */
887c2aa98e2SPeter Wemm 	char		*e_envid;	/* envelope id from MAIL FROM: line */
888c2aa98e2SPeter Wemm 	char		*e_status;	/* DSN status for this message */
889c2aa98e2SPeter Wemm 	time_t		e_dtime;	/* time of last delivery attempt */
890c2aa98e2SPeter Wemm 	int		e_ntries;	/* number of delivery attempts */
89140266059SGregory Neil Shapiro 	dev_t		e_dfdev;	/* data file device (crash recovery) */
89240266059SGregory Neil Shapiro 	ino_t		e_dfino;	/* data file inode (crash recovery) */
89340266059SGregory Neil Shapiro 	MACROS_T	e_macro;	/* macro definitions */
89440266059SGregory Neil Shapiro 	MCI		*e_mci;		/* connection info */
89540266059SGregory Neil Shapiro 	char		*e_auth_param;	/* readonly; NULL or static storage or
89640266059SGregory Neil Shapiro 					 * allocated from e_rpool */
89706f25ae9SGregory Neil Shapiro 	TIMERS		e_timers;	/* per job timers */
89806f25ae9SGregory Neil Shapiro #if _FFR_QUEUEDELAY
89906f25ae9SGregory Neil Shapiro 	int		e_queuealg;	/* algorithm for queue delay */
90006f25ae9SGregory Neil Shapiro 	time_t		e_queuedelay;	/* current delay */
90106f25ae9SGregory Neil Shapiro #endif /* _FFR_QUEUEDELAY */
90240266059SGregory Neil Shapiro 	long		e_deliver_by;	/* deliver by */
90340266059SGregory Neil Shapiro 	int		e_dlvr_flag;	/* deliver by flag */
90440266059SGregory Neil Shapiro 	SM_RPOOL_T	*e_rpool;	/* resource pool for this envelope */
905c2aa98e2SPeter Wemm };
906c2aa98e2SPeter Wemm 
907c2aa98e2SPeter Wemm /* values for e_flags */
90806f25ae9SGregory Neil Shapiro #define EF_OLDSTYLE	0x0000001L	/* use spaces (not commas) in hdrs */
90906f25ae9SGregory Neil Shapiro #define EF_INQUEUE	0x0000002L	/* this message is fully queued */
91006f25ae9SGregory Neil Shapiro #define EF_NO_BODY_RETN	0x0000004L	/* omit message body on error */
91106f25ae9SGregory Neil Shapiro #define EF_CLRQUEUE	0x0000008L	/* disk copy is no longer needed */
91206f25ae9SGregory Neil Shapiro #define EF_SENDRECEIPT	0x0000010L	/* send a return receipt */
91306f25ae9SGregory Neil Shapiro #define EF_FATALERRS	0x0000020L	/* fatal errors occurred */
91406f25ae9SGregory Neil Shapiro #define EF_DELETE_BCC	0x0000040L	/* delete Bcc: headers entirely */
91506f25ae9SGregory Neil Shapiro #define EF_RESPONSE	0x0000080L	/* this is an error or return receipt */
91606f25ae9SGregory Neil Shapiro #define EF_RESENT	0x0000100L	/* this message is being forwarded */
91706f25ae9SGregory Neil Shapiro #define EF_VRFYONLY	0x0000200L	/* verify only (don't expand aliases) */
91806f25ae9SGregory Neil Shapiro #define EF_WARNING	0x0000400L	/* warning message has been sent */
91906f25ae9SGregory Neil Shapiro #define EF_QUEUERUN	0x0000800L	/* this envelope is from queue */
92006f25ae9SGregory Neil Shapiro #define EF_GLOBALERRS	0x0001000L	/* treat errors as global */
92106f25ae9SGregory Neil Shapiro #define EF_PM_NOTIFY	0x0002000L	/* send return mail to postmaster */
92206f25ae9SGregory Neil Shapiro #define EF_METOO	0x0004000L	/* send to me too */
92306f25ae9SGregory Neil Shapiro #define EF_LOGSENDER	0x0008000L	/* need to log the sender */
92406f25ae9SGregory Neil Shapiro #define EF_NORECEIPT	0x0010000L	/* suppress all return-receipts */
92506f25ae9SGregory Neil Shapiro #define EF_HAS8BIT	0x0020000L	/* at least one 8-bit char in body */
92606f25ae9SGregory Neil Shapiro #define EF_NL_NOT_EOL	0x0040000L	/* don't accept raw NL as EOLine */
92706f25ae9SGregory Neil Shapiro #define EF_CRLF_NOT_EOL	0x0080000L	/* don't accept CR-LF as EOLine */
92806f25ae9SGregory Neil Shapiro #define EF_RET_PARAM	0x0100000L	/* RCPT command had RET argument */
92940266059SGregory Neil Shapiro #define EF_HAS_DF	0x0200000L	/* set when data file is instantiated */
93006f25ae9SGregory Neil Shapiro #define EF_IS_MIME	0x0400000L	/* really is a MIME message */
93106f25ae9SGregory Neil Shapiro #define EF_DONT_MIME	0x0800000L	/* never MIME this message */
93206f25ae9SGregory Neil Shapiro #define EF_DISCARD	0x1000000L	/* discard the message */
93342e5d165SGregory Neil Shapiro #define EF_TOOBIG	0x2000000L	/* message is too big */
93440266059SGregory Neil Shapiro #define EF_SPLIT	0x4000000L	/* envelope has been split */
93540266059SGregory Neil Shapiro #define EF_UNSAFE	0x8000000L	/* unsafe: read from untrusted source */
936c2aa98e2SPeter Wemm 
93740266059SGregory Neil Shapiro #define DLVR_NOTIFY	0x01
93840266059SGregory Neil Shapiro #define DLVR_RETURN	0x02
93940266059SGregory Neil Shapiro #define DLVR_TRACE	0x10
94040266059SGregory Neil Shapiro #define IS_DLVR_NOTIFY(e)	(((e)->e_dlvr_flag & DLVR_NOTIFY) != 0)
94140266059SGregory Neil Shapiro #define IS_DLVR_RETURN(e)	(((e)->e_dlvr_flag & DLVR_RETURN) != 0)
94240266059SGregory Neil Shapiro #define IS_DLVR_TRACE(e)	(((e)->e_dlvr_flag & DLVR_TRACE) != 0)
94340266059SGregory Neil Shapiro #define IS_DLVR_BY(e)		((e)->e_dlvr_flag != 0)
94440266059SGregory Neil Shapiro 
94540266059SGregory Neil Shapiro #define BODYTYPE_NONE	(0)
94640266059SGregory Neil Shapiro #define BODYTYPE_7BIT	(1)
94740266059SGregory Neil Shapiro #define BODYTYPE_8BITMIME	(2)
94840266059SGregory Neil Shapiro #define BODYTYPE_ILLEGAL	(-1)
94940266059SGregory Neil Shapiro #define BODYTYPE_VALID(b) ((b) == BODYTYPE_7BIT || (b) == BODYTYPE_8BITMIME)
95040266059SGregory Neil Shapiro 
95140266059SGregory Neil Shapiro extern ENVELOPE	BlankEnvelope;
952c2aa98e2SPeter Wemm 
953c2aa98e2SPeter Wemm /* functions */
95440266059SGregory Neil Shapiro extern void	clearenvelope __P((ENVELOPE *, bool, SM_RPOOL_T *));
95540266059SGregory Neil Shapiro extern void	dropenvelope __P((ENVELOPE *, bool, bool));
95640266059SGregory Neil Shapiro extern ENVELOPE	*newenvelope __P((ENVELOPE *, ENVELOPE *, SM_RPOOL_T *));
95706f25ae9SGregory Neil Shapiro extern void	printenvflags __P((ENVELOPE *));
958c2aa98e2SPeter Wemm extern void	putbody __P((MCI *, ENVELOPE *, char *));
95906f25ae9SGregory Neil Shapiro extern void	putheader __P((MCI *, HDR *, ENVELOPE *, int));
96006f25ae9SGregory Neil Shapiro 
96140266059SGregory Neil Shapiro /*
962c2aa98e2SPeter Wemm **  Message priority classes.
963c2aa98e2SPeter Wemm **
964c2aa98e2SPeter Wemm **	The message class is read directly from the Priority: header
965c2aa98e2SPeter Wemm **	field in the message.
966c2aa98e2SPeter Wemm **
967c2aa98e2SPeter Wemm **	CurEnv->e_msgpriority is the number of bytes in the message plus
968c2aa98e2SPeter Wemm **	the creation time (so that jobs ``tend'' to be ordered correctly),
969c2aa98e2SPeter Wemm **	adjusted by the message class, the number of recipients, and the
970c2aa98e2SPeter Wemm **	amount of time the message has been sitting around.  This number
971c2aa98e2SPeter Wemm **	is used to order the queue.  Higher values mean LOWER priority.
972c2aa98e2SPeter Wemm **
973c2aa98e2SPeter Wemm **	Each priority class point is worth WkClassFact priority points;
974c2aa98e2SPeter Wemm **	each recipient is worth WkRecipFact priority points.  Each time
975c2aa98e2SPeter Wemm **	we reprocess a message the priority is adjusted by WkTimeFact.
976c2aa98e2SPeter Wemm **	WkTimeFact should normally decrease the priority so that jobs
977c2aa98e2SPeter Wemm **	that have historically failed will be run later; thanks go to
978c2aa98e2SPeter Wemm **	Jay Lepreau at Utah for pointing out the error in my thinking.
979c2aa98e2SPeter Wemm **
980c2aa98e2SPeter Wemm **	The "class" is this number, unadjusted by the age or size of
981c2aa98e2SPeter Wemm **	this message.  Classes with negative representations will have
982c2aa98e2SPeter Wemm **	error messages thrown away if they are not local.
983c2aa98e2SPeter Wemm */
984c2aa98e2SPeter Wemm 
985c2aa98e2SPeter Wemm struct priority
986c2aa98e2SPeter Wemm {
987c2aa98e2SPeter Wemm 	char	*pri_name;	/* external name of priority */
988c2aa98e2SPeter Wemm 	int	pri_val;	/* internal value for same */
989c2aa98e2SPeter Wemm };
990c2aa98e2SPeter Wemm 
99140266059SGregory Neil Shapiro EXTERN int	NumPriorities;	/* pointer into Priorities */
99240266059SGregory Neil Shapiro EXTERN struct priority	Priorities[MAXPRIORITIES];
99340266059SGregory Neil Shapiro 
99440266059SGregory Neil Shapiro /*
995c2aa98e2SPeter Wemm **  Rewrite rules.
996c2aa98e2SPeter Wemm */
997c2aa98e2SPeter Wemm 
998c2aa98e2SPeter Wemm struct rewrite
999c2aa98e2SPeter Wemm {
1000c2aa98e2SPeter Wemm 	char	**r_lhs;	/* pattern match */
1001c2aa98e2SPeter Wemm 	char	**r_rhs;	/* substitution value */
1002c2aa98e2SPeter Wemm 	struct rewrite	*r_next;/* next in chain */
100306f25ae9SGregory Neil Shapiro 	int	r_line;		/* rule line in sendmail.cf */
1004c2aa98e2SPeter Wemm };
1005c2aa98e2SPeter Wemm 
1006c2aa98e2SPeter Wemm /*
1007c2aa98e2SPeter Wemm **  Special characters in rewriting rules.
1008c2aa98e2SPeter Wemm **	These are used internally only.
1009c2aa98e2SPeter Wemm **	The COND* rules are actually used in macros rather than in
1010c2aa98e2SPeter Wemm **		rewriting rules, but are given here because they
1011c2aa98e2SPeter Wemm **		cannot conflict.
1012c2aa98e2SPeter Wemm */
1013c2aa98e2SPeter Wemm 
1014c2aa98e2SPeter Wemm /* left hand side items */
101540266059SGregory Neil Shapiro #define MATCHZANY	((unsigned char)0220)	/* match zero or more tokens */
101640266059SGregory Neil Shapiro #define MATCHANY	((unsigned char)0221)	/* match one or more tokens */
101740266059SGregory Neil Shapiro #define MATCHONE	((unsigned char)0222)	/* match exactly one token */
101840266059SGregory Neil Shapiro #define MATCHCLASS	((unsigned char)0223)	/* match one token in a class */
101940266059SGregory Neil Shapiro #define MATCHNCLASS	((unsigned char)0224)	/* match anything not in class */
102040266059SGregory Neil Shapiro #define MATCHREPL	((unsigned char)0225)	/* replacement on RHS for above */
1021c2aa98e2SPeter Wemm 
1022c2aa98e2SPeter Wemm /* right hand side items */
102340266059SGregory Neil Shapiro #define CANONNET	((unsigned char)0226)	/* canonical net, next token */
102440266059SGregory Neil Shapiro #define CANONHOST	((unsigned char)0227)	/* canonical host, next token */
102540266059SGregory Neil Shapiro #define CANONUSER	((unsigned char)0230)	/* canonical user, next N tokens */
102640266059SGregory Neil Shapiro #define CALLSUBR	((unsigned char)0231)	/* call another rewriting set */
1027c2aa98e2SPeter Wemm 
1028c2aa98e2SPeter Wemm /* conditionals in macros */
102940266059SGregory Neil Shapiro #define CONDIF		((unsigned char)0232)	/* conditional if-then */
103040266059SGregory Neil Shapiro #define CONDELSE	((unsigned char)0233)	/* conditional else */
103140266059SGregory Neil Shapiro #define CONDFI		((unsigned char)0234)	/* conditional fi */
1032c2aa98e2SPeter Wemm 
1033c2aa98e2SPeter Wemm /* bracket characters for host name lookup */
103440266059SGregory Neil Shapiro #define HOSTBEGIN	((unsigned char)0235)	/* hostname lookup begin */
103540266059SGregory Neil Shapiro #define HOSTEND	((unsigned char)0236)	/* hostname lookup end */
1036c2aa98e2SPeter Wemm 
1037c2aa98e2SPeter Wemm /* bracket characters for generalized lookup */
103840266059SGregory Neil Shapiro #define LOOKUPBEGIN	((unsigned char)0205)	/* generalized lookup begin */
103940266059SGregory Neil Shapiro #define LOOKUPEND	((unsigned char)0206)	/* generalized lookup end */
1040c2aa98e2SPeter Wemm 
1041c2aa98e2SPeter Wemm /* macro substitution character */
104240266059SGregory Neil Shapiro #define MACROEXPAND	((unsigned char)0201)	/* macro expansion */
104340266059SGregory Neil Shapiro #define MACRODEXPAND	((unsigned char)0202)	/* deferred macro expansion */
1044c2aa98e2SPeter Wemm 
1045c2aa98e2SPeter Wemm /* to make the code clearer */
1046c2aa98e2SPeter Wemm #define MATCHZERO	CANONHOST
1047c2aa98e2SPeter Wemm 
1048c86d5965SGregory Neil Shapiro #define MAXMATCH	9	/* max params per rewrite */
1049c86d5965SGregory Neil Shapiro 
1050c2aa98e2SPeter Wemm /* external <==> internal mapping table */
1051c2aa98e2SPeter Wemm struct metamac
1052c2aa98e2SPeter Wemm {
1053c2aa98e2SPeter Wemm 	char		metaname;	/* external code (after $) */
105440266059SGregory Neil Shapiro 	unsigned char	metaval;	/* internal code (as above) */
1055c2aa98e2SPeter Wemm };
1056c2aa98e2SPeter Wemm 
1057c2aa98e2SPeter Wemm /* values for macros with external names only */
1058c2aa98e2SPeter Wemm #define MID_OPMODE	0202	/* operation mode */
1059c2aa98e2SPeter Wemm 
1060c2aa98e2SPeter Wemm /* functions */
106140266059SGregory Neil Shapiro #if SM_HEAP_CHECK
106240266059SGregory Neil Shapiro extern void
106340266059SGregory Neil Shapiro macdefine_tagged __P((
106440266059SGregory Neil Shapiro 	MACROS_T *_mac,
106540266059SGregory Neil Shapiro 	ARGCLASS_T _vclass,
106640266059SGregory Neil Shapiro 	int _id,
106740266059SGregory Neil Shapiro 	char *_value,
106840266059SGregory Neil Shapiro 	char *_file,
106940266059SGregory Neil Shapiro 	int _line,
107040266059SGregory Neil Shapiro 	int _group));
107140266059SGregory Neil Shapiro # define macdefine(mac,c,id,v) \
107240266059SGregory Neil Shapiro 	macdefine_tagged(mac,c,id,v,__FILE__,__LINE__,sm_heap_group())
107340266059SGregory Neil Shapiro #else /* SM_HEAP_CHECK */
107440266059SGregory Neil Shapiro extern void
107540266059SGregory Neil Shapiro macdefine __P((
107640266059SGregory Neil Shapiro 	MACROS_T *_mac,
107740266059SGregory Neil Shapiro 	ARGCLASS_T _vclass,
107840266059SGregory Neil Shapiro 	int _id,
107940266059SGregory Neil Shapiro 	char *_value));
108040266059SGregory Neil Shapiro # define macdefine_tagged(mac,c,id,v,file,line,grp) macdefine(mac,c,id,v)
108140266059SGregory Neil Shapiro #endif /* SM_HEAP_CHECK */
108240266059SGregory Neil Shapiro extern void	macset __P((MACROS_T *, int, char *));
108340266059SGregory Neil Shapiro #define macget(mac, i) (mac)->mac_table[i]
108406f25ae9SGregory Neil Shapiro extern void	expand __P((char *, char *, size_t, ENVELOPE *));
108540266059SGregory Neil Shapiro extern int	macid_parse __P((char *, char **));
108640266059SGregory Neil Shapiro #define macid(name)  macid_parse(name, NULL)
108706f25ae9SGregory Neil Shapiro extern char	*macname __P((int));
108806f25ae9SGregory Neil Shapiro extern char	*macvalue __P((int, ENVELOPE *));
108940266059SGregory Neil Shapiro extern int	rscheck __P((char *, char *, char *, ENVELOPE *, bool, bool, int, char *, char *));
109040266059SGregory Neil Shapiro extern int	rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int));
109106f25ae9SGregory Neil Shapiro extern void	setclass __P((int, char *));
109206f25ae9SGregory Neil Shapiro extern int	strtorwset __P((char *, char **, int));
109306f25ae9SGregory Neil Shapiro extern void	translate_dollars __P((char *));
109406f25ae9SGregory Neil Shapiro extern bool	wordinclass __P((char *, int));
109506f25ae9SGregory Neil Shapiro 
109640266059SGregory Neil Shapiro /*
1097c2aa98e2SPeter Wemm **  Name canonification short circuit.
1098c2aa98e2SPeter Wemm **
1099c2aa98e2SPeter Wemm **	If the name server for a host is down, the process of trying to
1100c2aa98e2SPeter Wemm **	canonify the name can hang.  This is similar to (but alas, not
1101c2aa98e2SPeter Wemm **	identical to) looking up the name for delivery.  This stab type
1102c2aa98e2SPeter Wemm **	caches the result of the name server lookup so we don't hang
1103c2aa98e2SPeter Wemm **	multiple times.
1104c2aa98e2SPeter Wemm */
1105c2aa98e2SPeter Wemm 
1106c2aa98e2SPeter Wemm #define NAMECANON	struct _namecanon
1107c2aa98e2SPeter Wemm 
1108c2aa98e2SPeter Wemm NAMECANON
1109c2aa98e2SPeter Wemm {
1110c2aa98e2SPeter Wemm 	short		nc_errno;	/* cached errno */
1111c2aa98e2SPeter Wemm 	short		nc_herrno;	/* cached h_errno */
1112c2aa98e2SPeter Wemm 	short		nc_stat;	/* cached exit status code */
1113c2aa98e2SPeter Wemm 	short		nc_flags;	/* flag bits */
1114c2aa98e2SPeter Wemm 	char		*nc_cname;	/* the canonical name */
111540266059SGregory Neil Shapiro 	time_t		nc_exp;		/* entry expires at */
1116c2aa98e2SPeter Wemm };
1117c2aa98e2SPeter Wemm 
1118c2aa98e2SPeter Wemm /* values for nc_flags */
1119c2aa98e2SPeter Wemm #define NCF_VALID	0x0001	/* entry valid */
112006f25ae9SGregory Neil Shapiro 
112140266059SGregory Neil Shapiro /* hostsignature structure */
112206f25ae9SGregory Neil Shapiro 
112340266059SGregory Neil Shapiro struct hostsig_t
112440266059SGregory Neil Shapiro {
112540266059SGregory Neil Shapiro 	char		*hs_sig;	/* hostsignature */
112640266059SGregory Neil Shapiro 	time_t		hs_exp;		/* entry expires at */
112740266059SGregory Neil Shapiro };
112840266059SGregory Neil Shapiro 
112940266059SGregory Neil Shapiro typedef struct hostsig_t HOSTSIG_T;
113040266059SGregory Neil Shapiro 
113140266059SGregory Neil Shapiro /* functions */
113240266059SGregory Neil Shapiro extern bool	getcanonname __P((char *, int, bool, int *));
113340266059SGregory Neil Shapiro extern int	getmxrr __P((char *, char **, unsigned short *, bool, int *, bool, int *));
113440266059SGregory Neil Shapiro extern char	*hostsignature __P((MAILER *, char *));
113540266059SGregory Neil Shapiro extern int	getfallbackmxrr __P((char *));
113640266059SGregory Neil Shapiro 
113740266059SGregory Neil Shapiro /*
1138c2aa98e2SPeter Wemm **  Mapping functions
1139c2aa98e2SPeter Wemm **
1140c2aa98e2SPeter Wemm **	These allow arbitrary mappings in the config file.  The idea
1141c2aa98e2SPeter Wemm **	(albeit not the implementation) comes from IDA sendmail.
1142c2aa98e2SPeter Wemm */
1143c2aa98e2SPeter Wemm 
1144c2aa98e2SPeter Wemm #define MAPCLASS	struct _mapclass
1145c2aa98e2SPeter Wemm #define MAP		struct _map
114606f25ae9SGregory Neil Shapiro #define MAXMAPACTIONS	5		/* size of map_actions array */
1147c2aa98e2SPeter Wemm 
1148c2aa98e2SPeter Wemm 
1149c2aa98e2SPeter Wemm /*
1150c2aa98e2SPeter Wemm **  An actual map.
1151c2aa98e2SPeter Wemm */
1152c2aa98e2SPeter Wemm 
1153c2aa98e2SPeter Wemm MAP
1154c2aa98e2SPeter Wemm {
1155c2aa98e2SPeter Wemm 	MAPCLASS	*map_class;	/* the class of this map */
115640266059SGregory Neil Shapiro 	MAPCLASS	*map_orgclass;	/* the original class of this map */
1157c2aa98e2SPeter Wemm 	char		*map_mname;	/* name of this map */
1158c2aa98e2SPeter Wemm 	long		map_mflags;	/* flags, see below */
1159c2aa98e2SPeter Wemm 	char		*map_file;	/* the (nominal) filename */
1160c2aa98e2SPeter Wemm 	ARBPTR_T	map_db1;	/* the open database ptr */
1161c2aa98e2SPeter Wemm 	ARBPTR_T	map_db2;	/* an "extra" database pointer */
1162c2aa98e2SPeter Wemm 	char		*map_keycolnm;	/* key column name */
1163c2aa98e2SPeter Wemm 	char		*map_valcolnm;	/* value column name */
116440266059SGregory Neil Shapiro 	unsigned char	map_keycolno;	/* key column number */
116540266059SGregory Neil Shapiro 	unsigned char	map_valcolno;	/* value column number */
1166c2aa98e2SPeter Wemm 	char		map_coldelim;	/* column delimiter */
116706f25ae9SGregory Neil Shapiro 	char		map_spacesub;	/* spacesub */
1168c2aa98e2SPeter Wemm 	char		*map_app;	/* to append to successful matches */
1169c2aa98e2SPeter Wemm 	char		*map_tapp;	/* to append to "tempfail" matches */
1170c2aa98e2SPeter Wemm 	char		*map_domain;	/* the (nominal) NIS domain */
1171c2aa98e2SPeter Wemm 	char		*map_rebuild;	/* program to run to do auto-rebuild */
1172c2aa98e2SPeter Wemm 	time_t		map_mtime;	/* last database modification time */
117340266059SGregory Neil Shapiro 	time_t		map_timeout;	/* timeout for map accesses */
117440266059SGregory Neil Shapiro 	int		map_retry;	/* # of retries for map accesses */
1175065a643dSPeter Wemm 	pid_t		map_pid;	/* PID of process which opened map */
1176c2aa98e2SPeter Wemm 	int		map_lockfd;	/* auxiliary lock file descriptor */
1177c2aa98e2SPeter Wemm 	short		map_specificity;	/* specificity of aliases */
1178c2aa98e2SPeter Wemm 	MAP		*map_stack[MAXMAPSTACK];   /* list for stacked maps */
1179c2aa98e2SPeter Wemm 	short		map_return[MAXMAPACTIONS]; /* return bitmaps for stacked maps */
1180c2aa98e2SPeter Wemm };
1181c2aa98e2SPeter Wemm 
118206f25ae9SGregory Neil Shapiro 
1183c2aa98e2SPeter Wemm /* bit values for map_mflags */
1184c2aa98e2SPeter Wemm #define MF_VALID	0x00000001	/* this entry is valid */
1185c2aa98e2SPeter Wemm #define MF_INCLNULL	0x00000002	/* include null byte in key */
1186c2aa98e2SPeter Wemm #define MF_OPTIONAL	0x00000004	/* don't complain if map not found */
1187c2aa98e2SPeter Wemm #define MF_NOFOLDCASE	0x00000008	/* don't fold case in keys */
1188c2aa98e2SPeter Wemm #define MF_MATCHONLY	0x00000010	/* don't use the map value */
1189c2aa98e2SPeter Wemm #define MF_OPEN		0x00000020	/* this entry is open */
1190c2aa98e2SPeter Wemm #define MF_WRITABLE	0x00000040	/* open for writing */
1191c2aa98e2SPeter Wemm #define MF_ALIAS	0x00000080	/* this is an alias file */
1192c2aa98e2SPeter Wemm #define MF_TRY0NULL	0x00000100	/* try with no null byte */
1193c2aa98e2SPeter Wemm #define MF_TRY1NULL	0x00000200	/* try with the null byte */
1194c2aa98e2SPeter Wemm #define MF_LOCKED	0x00000400	/* this map is currently locked */
1195c2aa98e2SPeter Wemm #define MF_ALIASWAIT	0x00000800	/* alias map in aliaswait state */
1196c2aa98e2SPeter Wemm #define MF_IMPL_HASH	0x00001000	/* implicit: underlying hash database */
1197c2aa98e2SPeter Wemm #define MF_IMPL_NDBM	0x00002000	/* implicit: underlying NDBM database */
119840266059SGregory Neil Shapiro /* 0x00004000	*/
119906f25ae9SGregory Neil Shapiro #define MF_APPEND	0x00008000	/* append new entry on rebuild */
1200c2aa98e2SPeter Wemm #define MF_KEEPQUOTES	0x00010000	/* don't dequote key before lookup */
1201c2aa98e2SPeter Wemm #define MF_NODEFER	0x00020000	/* don't defer if map lookup fails */
1202c2aa98e2SPeter Wemm #define MF_REGEX_NOT	0x00040000	/* regular expression negation */
120306f25ae9SGregory Neil Shapiro #define MF_DEFER	0x00080000	/* don't lookup map in defer mode */
120406f25ae9SGregory Neil Shapiro #define MF_SINGLEMATCH	0x00100000	/* successful only if match one key */
120540266059SGregory Neil Shapiro /*			0x00200000	   available for use */
120640266059SGregory Neil Shapiro #define MF_FILECLASS	0x00400000	/* this is a file class map */
120740266059SGregory Neil Shapiro #define MF_OPENBOGUS	0x00800000	/* open failed, don't call map_close */
120840266059SGregory Neil Shapiro #define MF_CLOSING	0x01000000	/* map is being closed */
120906f25ae9SGregory Neil Shapiro 
121006f25ae9SGregory Neil Shapiro #define DYNOPENMAP(map) if (!bitset(MF_OPEN, (map)->map_mflags)) \
121106f25ae9SGregory Neil Shapiro 	{	\
121206f25ae9SGregory Neil Shapiro 		if (!openmap(map))	\
121306f25ae9SGregory Neil Shapiro 			return NULL;	\
121406f25ae9SGregory Neil Shapiro 	}
121506f25ae9SGregory Neil Shapiro 
1216c2aa98e2SPeter Wemm 
1217c2aa98e2SPeter Wemm /* indices for map_actions */
1218c2aa98e2SPeter Wemm #define MA_NOTFOUND	0		/* member map returned "not found" */
1219c2aa98e2SPeter Wemm #define MA_UNAVAIL	1		/* member map is not available */
1220c2aa98e2SPeter Wemm #define MA_TRYAGAIN	2		/* member map returns temp failure */
1221c2aa98e2SPeter Wemm 
122240266059SGregory Neil Shapiro /* macros to handle MapTempFail */
122340266059SGregory Neil Shapiro #define BIT_IS_MTP	0x01	/* temp.failure occurred */
122440266059SGregory Neil Shapiro #define BIT_ASK_MTP	0x02	/* do we care about MapTempFail? */
122540266059SGregory Neil Shapiro #define RESET_MAPTEMPFAIL	MapTempFail = 0
122640266059SGregory Neil Shapiro #define INIT_MAPTEMPFAIL	MapTempFail = BIT_ASK_MTP
122740266059SGregory Neil Shapiro #define SET_MAPTEMPFAIL		MapTempFail |= BIT_IS_MTP
122840266059SGregory Neil Shapiro #define IS_MAPTEMPFAIL		bitset(BIT_IS_MTP, MapTempFail)
122940266059SGregory Neil Shapiro #define ASK_MAPTEMPFAIL		bitset(BIT_ASK_MTP, MapTempFail)
123040266059SGregory Neil Shapiro 
1231c2aa98e2SPeter Wemm /*
1232c2aa98e2SPeter Wemm **  The class of a map -- essentially the functions to call
1233c2aa98e2SPeter Wemm */
1234c2aa98e2SPeter Wemm 
1235c2aa98e2SPeter Wemm MAPCLASS
1236c2aa98e2SPeter Wemm {
1237c2aa98e2SPeter Wemm 	char	*map_cname;		/* name of this map class */
1238c2aa98e2SPeter Wemm 	char	*map_ext;		/* extension for database file */
1239c2aa98e2SPeter Wemm 	short	map_cflags;		/* flag bits, see below */
1240c2aa98e2SPeter Wemm 	bool	(*map_parse)__P((MAP *, char *));
1241c2aa98e2SPeter Wemm 					/* argument parsing function */
1242c2aa98e2SPeter Wemm 	char	*(*map_lookup)__P((MAP *, char *, char **, int *));
1243c2aa98e2SPeter Wemm 					/* lookup function */
1244c2aa98e2SPeter Wemm 	void	(*map_store)__P((MAP *, char *, char *));
1245c2aa98e2SPeter Wemm 					/* store function */
1246c2aa98e2SPeter Wemm 	bool	(*map_open)__P((MAP *, int));
1247c2aa98e2SPeter Wemm 					/* open function */
1248c2aa98e2SPeter Wemm 	void	(*map_close)__P((MAP *));
1249c2aa98e2SPeter Wemm 					/* close function */
1250c2aa98e2SPeter Wemm };
1251c2aa98e2SPeter Wemm 
1252c2aa98e2SPeter Wemm /* bit values for map_cflags */
1253c2aa98e2SPeter Wemm #define MCF_ALIASOK	0x0001		/* can be used for aliases */
1254c2aa98e2SPeter Wemm #define MCF_ALIASONLY	0x0002		/* usable only for aliases */
1255c2aa98e2SPeter Wemm #define MCF_REBUILDABLE	0x0004		/* can rebuild alias files */
1256c2aa98e2SPeter Wemm #define MCF_OPTFILE	0x0008		/* file name is optional */
125740266059SGregory Neil Shapiro #define MCF_NOTPERSIST	0x0010		/* don't keep map open all the time */
1258c2aa98e2SPeter Wemm 
1259c2aa98e2SPeter Wemm /* functions */
126040266059SGregory Neil Shapiro extern void	closemaps __P((bool));
126106f25ae9SGregory Neil Shapiro extern bool	impl_map_open __P((MAP *, int));
126206f25ae9SGregory Neil Shapiro extern void	initmaps __P((void));
1263c2aa98e2SPeter Wemm extern MAP	*makemapentry __P((char *));
126406f25ae9SGregory Neil Shapiro extern void	maplocaluser __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
126506f25ae9SGregory Neil Shapiro extern char	*map_rewrite __P((MAP *, const char *, size_t, char **));
126606f25ae9SGregory Neil Shapiro #if NETINFO
126706f25ae9SGregory Neil Shapiro extern char	*ni_propval __P((char *, char *, char *, char *, int));
126806f25ae9SGregory Neil Shapiro #endif /* NETINFO */
126906f25ae9SGregory Neil Shapiro extern bool	openmap __P((MAP *));
127006f25ae9SGregory Neil Shapiro #if USERDB
127106f25ae9SGregory Neil Shapiro extern void	_udbx_close __P((void));
127206f25ae9SGregory Neil Shapiro extern int	udbexpand __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
127340266059SGregory Neil Shapiro extern char	*udbsender __P((char *, SM_RPOOL_T *));
127406f25ae9SGregory Neil Shapiro #endif /* USERDB */
127540266059SGregory Neil Shapiro 
127640266059SGregory Neil Shapiro /*
127706f25ae9SGregory Neil Shapiro **  LDAP related items
127806f25ae9SGregory Neil Shapiro */
127940266059SGregory Neil Shapiro #if LDAPMAP
128006f25ae9SGregory Neil Shapiro /* struct defining LDAP Auth Methods */
128106f25ae9SGregory Neil Shapiro struct lamvalues
128206f25ae9SGregory Neil Shapiro {
128306f25ae9SGregory Neil Shapiro 	char	*lam_name;	/* name of LDAP auth method */
128406f25ae9SGregory Neil Shapiro 	int	lam_code;	/* numeric code */
128506f25ae9SGregory Neil Shapiro };
128606f25ae9SGregory Neil Shapiro 
128706f25ae9SGregory Neil Shapiro /* struct defining LDAP Alias Dereferencing */
128806f25ae9SGregory Neil Shapiro struct ladvalues
128906f25ae9SGregory Neil Shapiro {
129006f25ae9SGregory Neil Shapiro 	char	*lad_name;	/* name of LDAP alias dereferencing method */
129106f25ae9SGregory Neil Shapiro 	int	lad_code;	/* numeric code */
129206f25ae9SGregory Neil Shapiro };
129306f25ae9SGregory Neil Shapiro 
129406f25ae9SGregory Neil Shapiro /* struct defining LDAP Search Scope */
129506f25ae9SGregory Neil Shapiro struct lssvalues
129606f25ae9SGregory Neil Shapiro {
129706f25ae9SGregory Neil Shapiro 	char	*lss_name;	/* name of LDAP search scope */
129806f25ae9SGregory Neil Shapiro 	int	lss_code;	/* numeric code */
129906f25ae9SGregory Neil Shapiro };
130006f25ae9SGregory Neil Shapiro 
130106f25ae9SGregory Neil Shapiro /* functions */
130206f25ae9SGregory Neil Shapiro extern bool	ldapmap_parseargs __P((MAP *, char *));
130306f25ae9SGregory Neil Shapiro extern void	ldapmap_set_defaults __P((char *));
130406f25ae9SGregory Neil Shapiro #endif /* LDAPMAP */
130506f25ae9SGregory Neil Shapiro 
130640266059SGregory Neil Shapiro /*
130706f25ae9SGregory Neil Shapiro **  PH related items
130806f25ae9SGregory Neil Shapiro */
130906f25ae9SGregory Neil Shapiro 
131040266059SGregory Neil Shapiro #if PH_MAP
131140266059SGregory Neil Shapiro 
131240266059SGregory Neil Shapiro # include <phclient.h>
131340266059SGregory Neil Shapiro 
131406f25ae9SGregory Neil Shapiro struct ph_map_struct
131506f25ae9SGregory Neil Shapiro {
131606f25ae9SGregory Neil Shapiro 	char	*ph_servers;	 /* list of ph servers */
131706f25ae9SGregory Neil Shapiro 	char	*ph_field_list;	 /* list of fields to search for match */
131840266059SGregory Neil Shapiro 	PH	*ph;		 /* PH server handle */
131940266059SGregory Neil Shapiro 	int	ph_fastclose;	 /* send "quit" command on close */
132040266059SGregory Neil Shapiro 	time_t	ph_timeout;	 /* timeout interval */
132106f25ae9SGregory Neil Shapiro };
132206f25ae9SGregory Neil Shapiro typedef struct ph_map_struct	PH_MAP_STRUCT;
132306f25ae9SGregory Neil Shapiro 
132406f25ae9SGregory Neil Shapiro #endif /* PH_MAP */
132540266059SGregory Neil Shapiro /*
132606f25ae9SGregory Neil Shapiro **  Process List (proclist)
132706f25ae9SGregory Neil Shapiro */
132806f25ae9SGregory Neil Shapiro 
132906f25ae9SGregory Neil Shapiro #define NO_PID		((pid_t) 0)
133006f25ae9SGregory Neil Shapiro #ifndef PROC_LIST_SEG
133106f25ae9SGregory Neil Shapiro # define PROC_LIST_SEG	32		/* number of pids to alloc at a time */
133206f25ae9SGregory Neil Shapiro #endif /* ! PROC_LIST_SEG */
133306f25ae9SGregory Neil Shapiro 
133406f25ae9SGregory Neil Shapiro /* process types */
133506f25ae9SGregory Neil Shapiro #define PROC_NONE		0
133606f25ae9SGregory Neil Shapiro #define PROC_DAEMON		1
133706f25ae9SGregory Neil Shapiro #define PROC_DAEMON_CHILD	2
133806f25ae9SGregory Neil Shapiro #define PROC_QUEUE		3
133906f25ae9SGregory Neil Shapiro #define PROC_QUEUE_CHILD	3
134006f25ae9SGregory Neil Shapiro #define PROC_CONTROL		4
134106f25ae9SGregory Neil Shapiro #define PROC_CONTROL_CHILD	5
134206f25ae9SGregory Neil Shapiro 
134306f25ae9SGregory Neil Shapiro /* functions */
134440266059SGregory Neil Shapiro extern void	proc_list_add __P((pid_t, char *, int, int, int));
134506f25ae9SGregory Neil Shapiro extern void	proc_list_clear __P((void));
134640266059SGregory Neil Shapiro extern void	proc_list_display __P((SM_FILE_T *, char *));
134740266059SGregory Neil Shapiro extern void	proc_list_drop __P((pid_t, int, int *));
134806f25ae9SGregory Neil Shapiro extern void	proc_list_probe __P((void));
134906f25ae9SGregory Neil Shapiro extern void	proc_list_set __P((pid_t, char *));
135040266059SGregory Neil Shapiro extern void	proc_list_signal __P((int, int));
135106f25ae9SGregory Neil Shapiro 
135240266059SGregory Neil Shapiro /*
1353c2aa98e2SPeter Wemm **  Symbol table definitions
1354c2aa98e2SPeter Wemm */
1355c2aa98e2SPeter Wemm 
1356c2aa98e2SPeter Wemm struct symtab
1357c2aa98e2SPeter Wemm {
1358c2aa98e2SPeter Wemm 	char		*s_name;	/* name to be entered */
135940266059SGregory Neil Shapiro 	short		s_symtype;	/* general type (see below) */
1360c2aa98e2SPeter Wemm 	struct symtab	*s_next;	/* pointer to next in chain */
1361c2aa98e2SPeter Wemm 	union
1362c2aa98e2SPeter Wemm 	{
136306f25ae9SGregory Neil Shapiro 		BITMAP256	sv_class;	/* bit-map of word classes */
1364c2aa98e2SPeter Wemm 		ADDRESS		*sv_addr;	/* pointer to address header */
1365c2aa98e2SPeter Wemm 		MAILER		*sv_mailer;	/* pointer to mailer */
1366c2aa98e2SPeter Wemm 		char		*sv_alias;	/* alias */
1367c2aa98e2SPeter Wemm 		MAPCLASS	sv_mapclass;	/* mapping function class */
1368c2aa98e2SPeter Wemm 		MAP		sv_map;		/* mapping function */
136940266059SGregory Neil Shapiro 		HOSTSIG_T	sv_hostsig;	/* host signature */
1370c2aa98e2SPeter Wemm 		MCI		sv_mci;		/* mailer connection info */
1371c2aa98e2SPeter Wemm 		NAMECANON	sv_namecanon;	/* canonical name cache */
1372c2aa98e2SPeter Wemm 		int		sv_macro;	/* macro name => id mapping */
1373c2aa98e2SPeter Wemm 		int		sv_ruleset;	/* ruleset index */
1374c2aa98e2SPeter Wemm 		struct hdrinfo	sv_header;	/* header metainfo */
1375c2aa98e2SPeter Wemm 		char		*sv_service[MAXMAPSTACK]; /* service switch */
137640266059SGregory Neil Shapiro #if LDAPMAP
13778774250cSGregory Neil Shapiro 		MAP		*sv_lmap;	/* Maps for LDAP connection */
137806f25ae9SGregory Neil Shapiro #endif /* LDAPMAP */
137940266059SGregory Neil Shapiro #if MILTER
138006f25ae9SGregory Neil Shapiro 		struct milter	*sv_milter;	/* milter filter name */
138140266059SGregory Neil Shapiro #endif /* MILTER */
138240266059SGregory Neil Shapiro 		QUEUEGRP	*sv_queue;	/* pointer to queue */
1383c2aa98e2SPeter Wemm 	}	s_value;
1384c2aa98e2SPeter Wemm };
1385c2aa98e2SPeter Wemm 
1386c2aa98e2SPeter Wemm typedef struct symtab	STAB;
1387c2aa98e2SPeter Wemm 
1388c2aa98e2SPeter Wemm /* symbol types */
1389c2aa98e2SPeter Wemm #define ST_UNDEF	0	/* undefined type */
1390c2aa98e2SPeter Wemm #define ST_CLASS	1	/* class map */
1391c2aa98e2SPeter Wemm #define ST_ADDRESS	2	/* an address in parsed format */
1392c2aa98e2SPeter Wemm #define ST_MAILER	3	/* a mailer header */
1393c2aa98e2SPeter Wemm #define ST_ALIAS	4	/* an alias */
1394c2aa98e2SPeter Wemm #define ST_MAPCLASS	5	/* mapping function class */
1395c2aa98e2SPeter Wemm #define ST_MAP		6	/* mapping function */
1396c2aa98e2SPeter Wemm #define ST_HOSTSIG	7	/* host signature */
1397c2aa98e2SPeter Wemm #define ST_NAMECANON	8	/* cached canonical name */
1398c2aa98e2SPeter Wemm #define ST_MACRO	9	/* macro name to id mapping */
1399c2aa98e2SPeter Wemm #define ST_RULESET	10	/* ruleset index */
1400c2aa98e2SPeter Wemm #define ST_SERVICE	11	/* service switch entry */
1401c2aa98e2SPeter Wemm #define ST_HEADER	12	/* special header flags */
140240266059SGregory Neil Shapiro #if LDAPMAP
14038774250cSGregory Neil Shapiro # define ST_LMAP	13	/* List head of maps for LDAP connection */
140406f25ae9SGregory Neil Shapiro #endif /* LDAPMAP */
140540266059SGregory Neil Shapiro #if MILTER
140606f25ae9SGregory Neil Shapiro # define ST_MILTER	14	/* milter filter */
140740266059SGregory Neil Shapiro #endif /* MILTER */
140840266059SGregory Neil Shapiro #define ST_QUEUE	15	/* a queue entry */
140940266059SGregory Neil Shapiro 
141040266059SGregory Neil Shapiro /* This entry must be last */
1411c2aa98e2SPeter Wemm #define ST_MCI		16	/* mailer connection info (offset) */
1412c2aa98e2SPeter Wemm 
1413c2aa98e2SPeter Wemm #define s_class		s_value.sv_class
1414c2aa98e2SPeter Wemm #define s_address	s_value.sv_addr
1415c2aa98e2SPeter Wemm #define s_mailer	s_value.sv_mailer
1416c2aa98e2SPeter Wemm #define s_alias		s_value.sv_alias
1417c2aa98e2SPeter Wemm #define s_mci		s_value.sv_mci
1418c2aa98e2SPeter Wemm #define s_mapclass	s_value.sv_mapclass
1419c2aa98e2SPeter Wemm #define s_hostsig	s_value.sv_hostsig
1420c2aa98e2SPeter Wemm #define s_map		s_value.sv_map
1421c2aa98e2SPeter Wemm #define s_namecanon	s_value.sv_namecanon
1422c2aa98e2SPeter Wemm #define s_macro		s_value.sv_macro
1423c2aa98e2SPeter Wemm #define s_ruleset	s_value.sv_ruleset
1424c2aa98e2SPeter Wemm #define s_service	s_value.sv_service
1425c2aa98e2SPeter Wemm #define s_header	s_value.sv_header
142640266059SGregory Neil Shapiro #if LDAPMAP
14278774250cSGregory Neil Shapiro # define s_lmap		s_value.sv_lmap
142806f25ae9SGregory Neil Shapiro #endif /* LDAPMAP */
142940266059SGregory Neil Shapiro #if MILTER
143006f25ae9SGregory Neil Shapiro # define s_milter	s_value.sv_milter
143140266059SGregory Neil Shapiro #endif /* MILTER */
143240266059SGregory Neil Shapiro #define s_quegrp	s_value.sv_queue
1433c2aa98e2SPeter Wemm 
1434c2aa98e2SPeter Wemm /* opcodes to stab */
1435c2aa98e2SPeter Wemm #define ST_FIND		0	/* find entry */
1436c2aa98e2SPeter Wemm #define ST_ENTER	1	/* enter if not there */
143706f25ae9SGregory Neil Shapiro 
143806f25ae9SGregory Neil Shapiro /* functions */
143906f25ae9SGregory Neil Shapiro extern STAB	*stab __P((char *, int, int));
144006f25ae9SGregory Neil Shapiro extern void	stabapply __P((void (*)(STAB *, int), int));
144106f25ae9SGregory Neil Shapiro 
144240266059SGregory Neil Shapiro /*
1443c2aa98e2SPeter Wemm **  Operation, send, error, and MIME modes
1444c2aa98e2SPeter Wemm **
1445c2aa98e2SPeter Wemm **	The operation mode describes the basic operation of sendmail.
1446c2aa98e2SPeter Wemm **	This can be set from the command line, and is "send mail" by
1447c2aa98e2SPeter Wemm **	default.
1448c2aa98e2SPeter Wemm **
1449c2aa98e2SPeter Wemm **	The send mode tells how to send mail.  It can be set in the
145040266059SGregory Neil Shapiro **	configuration file.  Its setting determines how quickly the
1451c2aa98e2SPeter Wemm **	mail will be delivered versus the load on your system.  If the
1452c2aa98e2SPeter Wemm **	-v (verbose) flag is given, it will be forced to SM_DELIVER
1453c2aa98e2SPeter Wemm **	mode.
1454c2aa98e2SPeter Wemm **
1455c2aa98e2SPeter Wemm **	The error mode tells how to return errors.
1456c2aa98e2SPeter Wemm */
1457c2aa98e2SPeter Wemm 
1458c2aa98e2SPeter Wemm #define MD_DELIVER	'm'		/* be a mail sender */
1459c2aa98e2SPeter Wemm #define MD_SMTP		's'		/* run SMTP on standard input */
1460c2aa98e2SPeter Wemm #define MD_ARPAFTP	'a'		/* obsolete ARPANET mode (Grey Book) */
1461c2aa98e2SPeter Wemm #define MD_DAEMON	'd'		/* run as a daemon */
1462c2aa98e2SPeter Wemm #define MD_FGDAEMON	'D'		/* run daemon in foreground */
1463c2aa98e2SPeter Wemm #define MD_VERIFY	'v'		/* verify: don't collect or deliver */
1464c2aa98e2SPeter Wemm #define MD_TEST		't'		/* test mode: resolve addrs only */
1465c2aa98e2SPeter Wemm #define MD_INITALIAS	'i'		/* initialize alias database */
1466c2aa98e2SPeter Wemm #define MD_PRINT	'p'		/* print the queue */
146740266059SGregory Neil Shapiro #define MD_PRINTNQE	'P'		/* print number of entries in queue */
1468c2aa98e2SPeter Wemm #define MD_FREEZE	'z'		/* freeze the configuration file */
1469c2aa98e2SPeter Wemm #define MD_HOSTSTAT	'h'		/* print persistent host stat info */
1470c2aa98e2SPeter Wemm #define MD_PURGESTAT	'H'		/* purge persistent host stat info */
147106f25ae9SGregory Neil Shapiro #define MD_QUEUERUN	'q'		/* queue run */
1472c2aa98e2SPeter Wemm 
147340266059SGregory Neil Shapiro /* Note: see also include/sendmail/pathnames.h: GET_CLIENT_CF */
147440266059SGregory Neil Shapiro 
1475c2aa98e2SPeter Wemm /* values for e_sendmode -- send modes */
1476c2aa98e2SPeter Wemm #define SM_DELIVER	'i'		/* interactive delivery */
1477c2aa98e2SPeter Wemm #define SM_FORK		'b'		/* deliver in background */
1478c2aa98e2SPeter Wemm #define SM_QUEUE	'q'		/* queue, don't deliver */
1479c2aa98e2SPeter Wemm #define SM_DEFER	'd'		/* defer map lookups as well as queue */
1480c2aa98e2SPeter Wemm #define SM_VERIFY	'v'		/* verify only (used internally) */
1481c2aa98e2SPeter Wemm 
148240266059SGregory Neil Shapiro #define WILL_BE_QUEUED(m)	((m) == SM_QUEUE || (m) == SM_DEFER)
148306f25ae9SGregory Neil Shapiro 
1484c2aa98e2SPeter Wemm /* used only as a parameter to sendall */
1485c2aa98e2SPeter Wemm #define SM_DEFAULT	'\0'		/* unspecified, use SendMode */
1486c2aa98e2SPeter Wemm 
148706f25ae9SGregory Neil Shapiro /* functions */
148806f25ae9SGregory Neil Shapiro extern void	set_delivery_mode __P((int, ENVELOPE *));
1489c2aa98e2SPeter Wemm 
1490c2aa98e2SPeter Wemm /* values for e_errormode -- error handling modes */
1491c2aa98e2SPeter Wemm #define EM_PRINT	'p'		/* print errors */
1492c2aa98e2SPeter Wemm #define EM_MAIL		'm'		/* mail back errors */
1493c2aa98e2SPeter Wemm #define EM_WRITE	'w'		/* write back errors */
1494c2aa98e2SPeter Wemm #define EM_BERKNET	'e'		/* special berknet processing */
1495c2aa98e2SPeter Wemm #define EM_QUIET	'q'		/* don't print messages (stat only) */
1496c2aa98e2SPeter Wemm 
1497c2aa98e2SPeter Wemm 
1498c2aa98e2SPeter Wemm /* bit values for MimeMode */
1499c2aa98e2SPeter Wemm #define MM_CVTMIME	0x0001		/* convert 8 to 7 bit MIME */
1500c2aa98e2SPeter Wemm #define MM_PASS8BIT	0x0002		/* just send 8 bit data blind */
1501c2aa98e2SPeter Wemm #define MM_MIME8BIT	0x0004		/* convert 8-bit data to MIME */
1502c2aa98e2SPeter Wemm 
1503c2aa98e2SPeter Wemm 
1504c2aa98e2SPeter Wemm /* how to handle messages without any recipient addresses */
1505c2aa98e2SPeter Wemm #define NRA_NO_ACTION		0	/* just leave it as is */
1506c2aa98e2SPeter Wemm #define NRA_ADD_TO		1	/* add To: header */
1507c2aa98e2SPeter Wemm #define NRA_ADD_APPARENTLY_TO	2	/* add Apparently-To: header */
1508c2aa98e2SPeter Wemm #define NRA_ADD_BCC		3	/* add empty Bcc: header */
1509c2aa98e2SPeter Wemm #define NRA_ADD_TO_UNDISCLOSED	4	/* add To: undisclosed:; header */
1510c2aa98e2SPeter Wemm 
1511c2aa98e2SPeter Wemm 
1512c2aa98e2SPeter Wemm /* flags to putxline */
1513c2aa98e2SPeter Wemm #define PXLF_NOTHINGSPECIAL	0	/* no special mapping */
1514c2aa98e2SPeter Wemm #define PXLF_MAPFROM		0x0001	/* map From_ to >From_ */
1515c2aa98e2SPeter Wemm #define PXLF_STRIP8BIT		0x0002	/* strip 8th bit */
1516c2aa98e2SPeter Wemm #define PXLF_HEADER		0x0004	/* map newlines in headers */
1517605302a5SGregory Neil Shapiro #define PXLF_NOADDEOL		0x0008	/* if EOL not present, don't add one */
1518c2aa98e2SPeter Wemm 
1519c2aa98e2SPeter Wemm /*
1520c2aa98e2SPeter Wemm **  Privacy flags
1521c2aa98e2SPeter Wemm **	These are bit values for the PrivacyFlags word.
1522c2aa98e2SPeter Wemm */
1523c2aa98e2SPeter Wemm 
1524c2aa98e2SPeter Wemm #define PRIV_PUBLIC		0		/* what have I got to hide? */
152540266059SGregory Neil Shapiro #define PRIV_NEEDMAILHELO	0x00000001	/* insist on HELO for MAIL */
152640266059SGregory Neil Shapiro #define PRIV_NEEDEXPNHELO	0x00000002	/* insist on HELO for EXPN */
152740266059SGregory Neil Shapiro #define PRIV_NEEDVRFYHELO	0x00000004	/* insist on HELO for VRFY */
152840266059SGregory Neil Shapiro #define PRIV_NOEXPN		0x00000008	/* disallow EXPN command */
152940266059SGregory Neil Shapiro #define PRIV_NOVRFY		0x00000010	/* disallow VRFY command */
153040266059SGregory Neil Shapiro #define PRIV_AUTHWARNINGS	0x00000020	/* flag possible auth probs */
153140266059SGregory Neil Shapiro #define PRIV_NOVERB		0x00000040	/* disallow VERB command */
153240266059SGregory Neil Shapiro #define PRIV_RESTRICTMAILQ	0x00010000	/* restrict mailq command */
153340266059SGregory Neil Shapiro #define PRIV_RESTRICTQRUN	0x00020000	/* restrict queue run */
153440266059SGregory Neil Shapiro #define PRIV_RESTRICTEXPAND	0x00040000	/* restrict alias/forward expansion */
153540266059SGregory Neil Shapiro #define PRIV_NOETRN		0x00080000	/* disallow ETRN command */
153640266059SGregory Neil Shapiro #define PRIV_NOBODYRETN		0x00100000	/* do not return bodies on bounces */
153740266059SGregory Neil Shapiro #define PRIV_NORECEIPTS		0x00200000	/* disallow return receipts */
153806f25ae9SGregory Neil Shapiro 
153906f25ae9SGregory Neil Shapiro /* don't give no info, anyway, anyhow */
154040266059SGregory Neil Shapiro #define PRIV_GOAWAY		0x0000ffff
1541c2aa98e2SPeter Wemm 
1542c2aa98e2SPeter Wemm /* struct defining such things */
1543c2aa98e2SPeter Wemm struct prival
1544c2aa98e2SPeter Wemm {
1545c2aa98e2SPeter Wemm 	char		*pv_name;	/* name of privacy flag */
154640266059SGregory Neil Shapiro 	unsigned long	pv_flag;	/* numeric level */
1547c2aa98e2SPeter Wemm };
1548c2aa98e2SPeter Wemm 
154940266059SGregory Neil Shapiro EXTERN unsigned long	PrivacyFlags;	/* privacy flags */
155040266059SGregory Neil Shapiro 
1551c2aa98e2SPeter Wemm 
1552c2aa98e2SPeter Wemm /*
1553c2aa98e2SPeter Wemm **  Flags passed to remotename, parseaddr, allocaddr, and buildaddr.
1554c2aa98e2SPeter Wemm */
1555c2aa98e2SPeter Wemm 
1556c2aa98e2SPeter Wemm #define RF_SENDERADDR		0x001	/* this is a sender address */
1557c2aa98e2SPeter Wemm #define RF_HEADERADDR		0x002	/* this is a header address */
1558c2aa98e2SPeter Wemm #define RF_CANONICAL		0x004	/* strip comment information */
1559c2aa98e2SPeter Wemm #define RF_ADDDOMAIN		0x008	/* OK to do domain extension */
1560c2aa98e2SPeter Wemm #define RF_COPYPARSE		0x010	/* copy parsed user & host */
1561c2aa98e2SPeter Wemm #define RF_COPYPADDR		0x020	/* copy print address */
1562c2aa98e2SPeter Wemm #define RF_COPYALL		(RF_COPYPARSE|RF_COPYPADDR)
1563c2aa98e2SPeter Wemm #define RF_COPYNONE		0
1564c2aa98e2SPeter Wemm 
1565c2aa98e2SPeter Wemm 
1566c2aa98e2SPeter Wemm /*
156706f25ae9SGregory Neil Shapiro **  Flags passed to mime8to7 and putheader.
1568c2aa98e2SPeter Wemm */
1569c2aa98e2SPeter Wemm 
1570c2aa98e2SPeter Wemm #define M87F_OUTER		0	/* outer context */
1571c2aa98e2SPeter Wemm #define M87F_NO8BIT		0x0001	/* can't have 8-bit in this section */
1572c2aa98e2SPeter Wemm #define M87F_DIGEST		0x0002	/* processing multipart/digest */
1573065a643dSPeter Wemm #define M87F_NO8TO7		0x0004	/* don't do 8->7 bit conversions */
1574c2aa98e2SPeter Wemm 
157506f25ae9SGregory Neil Shapiro /* functions */
157606f25ae9SGregory Neil Shapiro extern void	mime7to8 __P((MCI *, HDR *, ENVELOPE *));
157706f25ae9SGregory Neil Shapiro extern int	mime8to7 __P((MCI *, HDR *, ENVELOPE *, char **, int));
1578c2aa98e2SPeter Wemm 
1579c2aa98e2SPeter Wemm /*
1580c2aa98e2SPeter Wemm **  Flags passed to returntosender.
1581c2aa98e2SPeter Wemm */
1582c2aa98e2SPeter Wemm 
1583c2aa98e2SPeter Wemm #define RTSF_NO_BODY		0	/* send headers only */
1584c2aa98e2SPeter Wemm #define RTSF_SEND_BODY		0x0001	/* include body of message in return */
1585c2aa98e2SPeter Wemm #define RTSF_PM_BOUNCE		0x0002	/* this is a postmaster bounce */
1586c2aa98e2SPeter Wemm 
158706f25ae9SGregory Neil Shapiro /* functions */
158806f25ae9SGregory Neil Shapiro extern int	returntosender __P((char *, ADDRESS *, int, ENVELOPE *));
1589c2aa98e2SPeter Wemm 
1590c2aa98e2SPeter Wemm /*
1591c2aa98e2SPeter Wemm **  Regular UNIX sockaddrs are too small to handle ISO addresses, so
1592c2aa98e2SPeter Wemm **  we are forced to declare a supertype here.
1593c2aa98e2SPeter Wemm */
1594c2aa98e2SPeter Wemm 
159506f25ae9SGregory Neil Shapiro #if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25
1596c2aa98e2SPeter Wemm union bigsockaddr
1597c2aa98e2SPeter Wemm {
1598c2aa98e2SPeter Wemm 	struct sockaddr		sa;	/* general version */
1599c2aa98e2SPeter Wemm # if NETUNIX
1600c2aa98e2SPeter Wemm 	struct sockaddr_un	sunix;	/* UNIX family */
160106f25ae9SGregory Neil Shapiro # endif /* NETUNIX */
1602c2aa98e2SPeter Wemm # if NETINET
1603c2aa98e2SPeter Wemm 	struct sockaddr_in	sin;	/* INET family */
160406f25ae9SGregory Neil Shapiro # endif /* NETINET */
160506f25ae9SGregory Neil Shapiro # if NETINET6
160606f25ae9SGregory Neil Shapiro 	struct sockaddr_in6	sin6;	/* INET/IPv6 */
160706f25ae9SGregory Neil Shapiro # endif /* NETINET6 */
1608c2aa98e2SPeter Wemm # if NETISO
1609c2aa98e2SPeter Wemm 	struct sockaddr_iso	siso;	/* ISO family */
161006f25ae9SGregory Neil Shapiro # endif /* NETISO */
1611c2aa98e2SPeter Wemm # if NETNS
1612c2aa98e2SPeter Wemm 	struct sockaddr_ns	sns;	/* XNS family */
161306f25ae9SGregory Neil Shapiro # endif /* NETNS */
1614c2aa98e2SPeter Wemm # if NETX25
1615c2aa98e2SPeter Wemm 	struct sockaddr_x25	sx25;	/* X.25 family */
161606f25ae9SGregory Neil Shapiro # endif /* NETX25 */
1617c2aa98e2SPeter Wemm };
1618c2aa98e2SPeter Wemm 
1619c2aa98e2SPeter Wemm # define SOCKADDR	union bigsockaddr
1620c2aa98e2SPeter Wemm 
162106f25ae9SGregory Neil Shapiro /* functions */
1622c2aa98e2SPeter Wemm extern char	*anynet_ntoa __P((SOCKADDR *));
162306f25ae9SGregory Neil Shapiro # if NETINET6
162406f25ae9SGregory Neil Shapiro extern char	*anynet_ntop __P((struct in6_addr *, char *, size_t));
162540266059SGregory Neil Shapiro extern int	anynet_pton __P((int, const char *, void *));
162606f25ae9SGregory Neil Shapiro # endif /* NETINET6 */
162706f25ae9SGregory Neil Shapiro extern char	*hostnamebyanyaddr __P((SOCKADDR *));
1628c2aa98e2SPeter Wemm extern char	*validate_connection __P((SOCKADDR *, char *, ENVELOPE *));
162994c01205SGregory Neil Shapiro # if SASL >= 20000
163094c01205SGregory Neil Shapiro extern bool	iptostring __P((SOCKADDR *, SOCKADDR_LEN_T, char *, unsigned));
163194c01205SGregory Neil Shapiro # endif /* SASL >= 20000 */
1632c2aa98e2SPeter Wemm 
163306f25ae9SGregory Neil Shapiro #endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
1634c2aa98e2SPeter Wemm 
163540266059SGregory Neil Shapiro /*
163606f25ae9SGregory Neil Shapiro **  Mail Filters (milter)
163706f25ae9SGregory Neil Shapiro */
163806f25ae9SGregory Neil Shapiro 
1639605302a5SGregory Neil Shapiro /*
1640605302a5SGregory Neil Shapiro **  32-bit type used by milter
1641605302a5SGregory Neil Shapiro **  (needed by libmilter even if MILTER isn't defined)
1642605302a5SGregory Neil Shapiro */
1643605302a5SGregory Neil Shapiro 
1644605302a5SGregory Neil Shapiro typedef SM_INT32	mi_int32;
1645605302a5SGregory Neil Shapiro 
1646605302a5SGregory Neil Shapiro #if MILTER
164706f25ae9SGregory Neil Shapiro # define SMFTO_WRITE	0		/* Timeout for sending information */
164806f25ae9SGregory Neil Shapiro # define SMFTO_READ	1		/* Timeout waiting for a response */
164906f25ae9SGregory Neil Shapiro # define SMFTO_EOM	2		/* Timeout for ACK/NAK to EOM */
165013058a91SGregory Neil Shapiro # define SMFTO_CONNECT	3		/* Timeout for connect() */
165106f25ae9SGregory Neil Shapiro 
165213058a91SGregory Neil Shapiro # define SMFTO_NUM_TO	4		/* Total number of timeouts */
165306f25ae9SGregory Neil Shapiro 
165406f25ae9SGregory Neil Shapiro struct milter
165506f25ae9SGregory Neil Shapiro {
165606f25ae9SGregory Neil Shapiro 	char		*mf_name;	/* filter name */
165706f25ae9SGregory Neil Shapiro 	BITMAP256	mf_flags;	/* MTA flags */
1658605302a5SGregory Neil Shapiro 	mi_int32	mf_fvers;	/* filter version */
1659605302a5SGregory Neil Shapiro 	mi_int32	mf_fflags;	/* filter flags */
1660605302a5SGregory Neil Shapiro 	mi_int32	mf_pflags;	/* protocol flags */
166106f25ae9SGregory Neil Shapiro 	char		*mf_conn;	/* connection info */
166206f25ae9SGregory Neil Shapiro 	int		mf_sock;	/* connected socket */
166306f25ae9SGregory Neil Shapiro 	char		mf_state;	/* state of filter */
166406f25ae9SGregory Neil Shapiro 	time_t		mf_timeout[SMFTO_NUM_TO]; /* timeouts */
166506f25ae9SGregory Neil Shapiro };
166606f25ae9SGregory Neil Shapiro 
166706f25ae9SGregory Neil Shapiro /* MTA flags */
166806f25ae9SGregory Neil Shapiro # define SMF_REJECT		'R'	/* Reject connection on filter fail */
166906f25ae9SGregory Neil Shapiro # define SMF_TEMPFAIL		'T'	/* tempfail connection on failure */
167006f25ae9SGregory Neil Shapiro 
167106f25ae9SGregory Neil Shapiro /* states */
167206f25ae9SGregory Neil Shapiro # define SMFS_CLOSED		'C'	/* closed for all further actions */
167306f25ae9SGregory Neil Shapiro # define SMFS_OPEN		'O'	/* connected to remote milter filter */
167406f25ae9SGregory Neil Shapiro # define SMFS_INMSG		'M'	/* currently servicing a message */
167506f25ae9SGregory Neil Shapiro # define SMFS_DONE		'D'	/* done with current message */
1676602a2b1bSGregory Neil Shapiro # define SMFS_CLOSABLE		'Q'	/* done with current connection */
167706f25ae9SGregory Neil Shapiro # define SMFS_ERROR		'E'	/* error state */
167806f25ae9SGregory Neil Shapiro # define SMFS_READY		'R'	/* ready for action */
167906f25ae9SGregory Neil Shapiro 
168006f25ae9SGregory Neil Shapiro EXTERN struct milter	*InputFilters[MAXFILTERS];
168106f25ae9SGregory Neil Shapiro EXTERN char		*InputFilterList;
168240266059SGregory Neil Shapiro EXTERN int		MilterLogLevel;
168340266059SGregory Neil Shapiro 
168440266059SGregory Neil Shapiro # if _FFR_MILTER_PERDAEMON
168540266059SGregory Neil Shapiro /* functions */
168640266059SGregory Neil Shapiro extern void	setup_daemon_milters __P(());
168740266059SGregory Neil Shapiro # endif /* _FFR_MILTER_PERDAEMON */
168840266059SGregory Neil Shapiro #endif /* MILTER */
168940266059SGregory Neil Shapiro 
169040266059SGregory Neil Shapiro /*
1691c2aa98e2SPeter Wemm **  Vendor codes
1692c2aa98e2SPeter Wemm **
1693c2aa98e2SPeter Wemm **	Vendors can customize sendmail to add special behaviour,
1694c2aa98e2SPeter Wemm **	generally for back compatibility.  Ideally, this should
1695c2aa98e2SPeter Wemm **	be set up in the .cf file using the "V" command.  However,
1696c2aa98e2SPeter Wemm **	it's quite reasonable for some vendors to want the default
1697c2aa98e2SPeter Wemm **	be their old version; this can be set using
1698c2aa98e2SPeter Wemm **		-DVENDOR_DEFAULT=VENDOR_xxx
1699c2aa98e2SPeter Wemm **	in the Makefile.
1700c2aa98e2SPeter Wemm **
170106f25ae9SGregory Neil Shapiro **	Vendors should apply to sendmail@sendmail.org for
1702c2aa98e2SPeter Wemm **	unique vendor codes.
1703c2aa98e2SPeter Wemm */
1704c2aa98e2SPeter Wemm 
1705c2aa98e2SPeter Wemm #define VENDOR_BERKELEY	1	/* Berkeley-native configuration file */
1706c2aa98e2SPeter Wemm #define VENDOR_SUN	2	/* Sun-native configuration file */
1707c2aa98e2SPeter Wemm #define VENDOR_HP	3	/* Hewlett-Packard specific config syntax */
1708c2aa98e2SPeter Wemm #define VENDOR_IBM	4	/* IBM specific config syntax */
1709065a643dSPeter Wemm #define VENDOR_SENDMAIL	5	/* Sendmail, Inc. specific config syntax */
171040266059SGregory Neil Shapiro #define VENDOR_DEC	6	/* Compaq, DEC, Digital */
1711c2aa98e2SPeter Wemm 
1712c2aa98e2SPeter Wemm /* prototypes for vendor-specific hook routines */
1713c2aa98e2SPeter Wemm extern void	vendor_daemon_setup __P((ENVELOPE *));
171406f25ae9SGregory Neil Shapiro extern void	vendor_set_uid __P((UID_T));
1715c2aa98e2SPeter Wemm 
1716c2aa98e2SPeter Wemm 
1717c2aa98e2SPeter Wemm /*
1718c2aa98e2SPeter Wemm **  Terminal escape codes.
1719c2aa98e2SPeter Wemm **
1720c2aa98e2SPeter Wemm **	To make debugging output clearer.
1721c2aa98e2SPeter Wemm */
1722c2aa98e2SPeter Wemm 
1723c2aa98e2SPeter Wemm struct termescape
1724c2aa98e2SPeter Wemm {
1725c2aa98e2SPeter Wemm 	char	*te_rv_on;	/* turn reverse-video on */
1726c2aa98e2SPeter Wemm 	char	*te_rv_off;	/* turn reverse-video off */
1727c2aa98e2SPeter Wemm };
1728c2aa98e2SPeter Wemm 
172940266059SGregory Neil Shapiro /*
173006f25ae9SGregory Neil Shapiro **  Additional definitions
1731c2aa98e2SPeter Wemm */
1732c2aa98e2SPeter Wemm 
173340266059SGregory Neil Shapiro /*
173440266059SGregory Neil Shapiro **  d_flags, see daemon.c
173540266059SGregory Neil Shapiro **  general rule: lower case: required, upper case: No
173640266059SGregory Neil Shapiro */
173740266059SGregory Neil Shapiro 
173806f25ae9SGregory Neil Shapiro #define D_AUTHREQ	'a'	/* authentication required */
173906f25ae9SGregory Neil Shapiro #define D_BINDIF	'b'	/* use if_addr for outgoing connection */
174006f25ae9SGregory Neil Shapiro #define D_CANONREQ	'c'	/* canonification required (cf) */
174106f25ae9SGregory Neil Shapiro #define D_IFNHELO	'h'	/* use if name for HELO */
174206f25ae9SGregory Neil Shapiro #define D_FQMAIL	'f'	/* fq sender address required (cf) */
174306f25ae9SGregory Neil Shapiro #define D_FQRCPT	'r'	/* fq recipient address required (cf) */
174440266059SGregory Neil Shapiro #if _FFR_SMTP_SSL
174540266059SGregory Neil Shapiro # define D_SMTPS	's'	/* SMTP over SSL (smtps) */
174640266059SGregory Neil Shapiro #endif /* _FFR_SMTP_SSL */
174706f25ae9SGregory Neil Shapiro #define D_UNQUALOK	'u'	/* unqualified address is ok (cf) */
174840266059SGregory Neil Shapiro #define D_NOAUTH	'A'	/* no AUTH */
174906f25ae9SGregory Neil Shapiro #define D_NOCANON	'C'	/* no canonification (cf) */
175006f25ae9SGregory Neil Shapiro #define D_NOETRN	'E'	/* no ETRN (MSA) */
175140266059SGregory Neil Shapiro #define D_NOTLS		'S'	/* don't use STARTTLS */
175206f25ae9SGregory Neil Shapiro #define D_ETRNONLY	((char)0x01)	/* allow only ETRN (disk low) */
175340266059SGregory Neil Shapiro #define D_OPTIONAL	'O'	/* optional socket */
175440266059SGregory Neil Shapiro #define D_DISABLE	((char)0x02)	/* optional socket disabled */
175540266059SGregory Neil Shapiro #define D_ISSET		((char)0x03)	/* this client struct is set */
1756c2aa98e2SPeter Wemm 
175706f25ae9SGregory Neil Shapiro #if STARTTLS
175840266059SGregory Neil Shapiro /*
175906f25ae9SGregory Neil Shapiro **  TLS
1760c2aa98e2SPeter Wemm */
176106f25ae9SGregory Neil Shapiro 
176206f25ae9SGregory Neil Shapiro /* what to do in the TLS initialization */
176306f25ae9SGregory Neil Shapiro #define TLS_I_NONE	0x00000000	/* no requirements... */
176406f25ae9SGregory Neil Shapiro #define TLS_I_CERT_EX	0x00000001	/* CERT must exist */
176506f25ae9SGregory Neil Shapiro #define TLS_I_CERT_UNR	0x00000002	/* CERT must be g/o unreadable */
176606f25ae9SGregory Neil Shapiro #define TLS_I_KEY_EX	0x00000004	/* KEY must exist */
176706f25ae9SGregory Neil Shapiro #define TLS_I_KEY_UNR	0x00000008	/* KEY must be g/o unreadable */
176806f25ae9SGregory Neil Shapiro #define TLS_I_CERTP_EX	0x00000010	/* CA CERT PATH must exist */
176906f25ae9SGregory Neil Shapiro #define TLS_I_CERTP_UNR	0x00000020	/* CA CERT PATH must be g/o unreadable */
177006f25ae9SGregory Neil Shapiro #define TLS_I_CERTF_EX	0x00000040	/* CA CERT FILE must exist */
177106f25ae9SGregory Neil Shapiro #define TLS_I_CERTF_UNR	0x00000080	/* CA CERT FILE must be g/o unreadable */
177206f25ae9SGregory Neil Shapiro #define TLS_I_RSA_TMP	0x00000100	/* RSA TMP must be generated */
177306f25ae9SGregory Neil Shapiro #define TLS_I_USE_KEY	0x00000200	/* private key must usable */
177406f25ae9SGregory Neil Shapiro #define TLS_I_USE_CERT	0x00000400	/* certificate must be usable */
177506f25ae9SGregory Neil Shapiro #define TLS_I_VRFY_PATH	0x00000800	/* load verify path must succeed */
177606f25ae9SGregory Neil Shapiro #define TLS_I_VRFY_LOC	0x00001000	/* load verify default must succeed */
177706f25ae9SGregory Neil Shapiro #define TLS_I_CACHE	0x00002000	/* require cache */
177806f25ae9SGregory Neil Shapiro #define TLS_I_TRY_DH	0x00004000	/* try DH certificate */
177906f25ae9SGregory Neil Shapiro #define TLS_I_REQ_DH	0x00008000	/* require DH certificate */
178006f25ae9SGregory Neil Shapiro #define TLS_I_DHPAR_EX	0x00010000	/* require DH parameters */
178106f25ae9SGregory Neil Shapiro #define TLS_I_DHPAR_UNR	0x00020000	/* DH param. must be g/o unreadable */
178206f25ae9SGregory Neil Shapiro #define TLS_I_DH512	0x00040000	/* generate 512bit DH param */
178306f25ae9SGregory Neil Shapiro #define TLS_I_DH1024	0x00080000	/* generate 1024bit DH param */
178406f25ae9SGregory Neil Shapiro #define TLS_I_DH2048	0x00100000	/* generate 2048bit DH param */
178540266059SGregory Neil Shapiro #define TLS_I_NO_VRFY	0x00200000	/* do not require authentication */
178640266059SGregory Neil Shapiro #define TLS_I_KEY_OUNR	0x00400000	/* KEY must be o unreadable */
178740266059SGregory Neil Shapiro 
178840266059SGregory Neil Shapiro /* require server cert */
178940266059SGregory Neil Shapiro #define TLS_I_SRV_CERT	 (TLS_I_CERT_EX | TLS_I_KEY_EX | \
179040266059SGregory Neil Shapiro 			  TLS_I_KEY_UNR | TLS_I_KEY_OUNR | \
179140266059SGregory Neil Shapiro 			  TLS_I_CERTP_EX | TLS_I_CERTF_EX | \
179240266059SGregory Neil Shapiro 			  TLS_I_USE_KEY | TLS_I_USE_CERT)
179306f25ae9SGregory Neil Shapiro 
179406f25ae9SGregory Neil Shapiro /* server requirements */
179540266059SGregory Neil Shapiro #define TLS_I_SRV	(TLS_I_SRV_CERT | TLS_I_RSA_TMP | TLS_I_VRFY_PATH | \
179640266059SGregory Neil Shapiro 			 TLS_I_VRFY_LOC | TLS_I_TRY_DH | TLS_I_DH512)
179706f25ae9SGregory Neil Shapiro 
179806f25ae9SGregory Neil Shapiro /* client requirements */
179940266059SGregory Neil Shapiro #define TLS_I_CLT	(TLS_I_KEY_UNR | TLS_I_KEY_OUNR)
180006f25ae9SGregory Neil Shapiro 
180106f25ae9SGregory Neil Shapiro #define TLS_AUTH_OK	0
180206f25ae9SGregory Neil Shapiro #define TLS_AUTH_NO	1
180306f25ae9SGregory Neil Shapiro #define TLS_AUTH_FAIL	(-1)
180440266059SGregory Neil Shapiro 
180540266059SGregory Neil Shapiro /* functions */
180640266059SGregory Neil Shapiro extern bool	init_tls_library __P((void));
180740266059SGregory Neil Shapiro extern bool	inittls __P((SSL_CTX **, unsigned long, bool, char *, char *, char *, char *, char *));
180840266059SGregory Neil Shapiro extern bool	initclttls __P((bool));
180940266059SGregory Neil Shapiro extern void	setclttls __P((bool));
181040266059SGregory Neil Shapiro extern bool	initsrvtls __P((bool));
181140266059SGregory Neil Shapiro extern int	tls_get_info __P((SSL *, bool, char *, MACROS_T *, bool));
181240266059SGregory Neil Shapiro extern int	endtls __P((SSL *, char *));
181340266059SGregory Neil Shapiro extern void	tlslogerr __P((char *));
181440266059SGregory Neil Shapiro 
181540266059SGregory Neil Shapiro 
181640266059SGregory Neil Shapiro EXTERN char	*CACERTpath;	/* path to CA certificates (dir. with hashes) */
181740266059SGregory Neil Shapiro EXTERN char	*CACERTfile;	/* file with CA certificate */
181840266059SGregory Neil Shapiro EXTERN char	*CltCERTfile;	/* file with client certificate */
181940266059SGregory Neil Shapiro EXTERN char	*Cltkeyfile;	/* file with client private key */
182040266059SGregory Neil Shapiro # if _FFR_TLS_1
182140266059SGregory Neil Shapiro EXTERN char	*CipherList;	/* list of ciphers */
182240266059SGregory Neil Shapiro EXTERN char	*DHParams5;	/* file with DH parameters (512) */
182340266059SGregory Neil Shapiro # endif /* _FFR_TLS_1 */
182440266059SGregory Neil Shapiro EXTERN char	*DHParams;	/* file with DH parameters */
182540266059SGregory Neil Shapiro EXTERN char	*RandFile;	/* source of random data */
182640266059SGregory Neil Shapiro EXTERN char	*SrvCERTfile;	/* file with server certificate */
182740266059SGregory Neil Shapiro EXTERN char	*Srvkeyfile;	/* file with server private key */
182840266059SGregory Neil Shapiro EXTERN unsigned long	TLS_Srv_Opts;	/* TLS server options */
182906f25ae9SGregory Neil Shapiro #endif /* STARTTLS */
183006f25ae9SGregory Neil Shapiro 
183140266059SGregory Neil Shapiro /*
183206f25ae9SGregory Neil Shapiro **  Queue related items
183306f25ae9SGregory Neil Shapiro */
183406f25ae9SGregory Neil Shapiro 
183540266059SGregory Neil Shapiro /* queue file names */
183640266059SGregory Neil Shapiro #if _FFR_QUARANTINE
183740266059SGregory Neil Shapiro # define ANYQFL_LETTER '?'
183840266059SGregory Neil Shapiro # define QUARQF_LETTER 'h'
183940266059SGregory Neil Shapiro #else /* _FFR_QUARANTINE */
184040266059SGregory Neil Shapiro /* Before quarantining, ANYQF == NORMQF */
184140266059SGregory Neil Shapiro # define ANYQFL_LETTER 'q'
184240266059SGregory Neil Shapiro #endif /* _FFR_QUARANTINE */
184340266059SGregory Neil Shapiro #define DATAFL_LETTER 'd'
184440266059SGregory Neil Shapiro #define XSCRPT_LETTER 'x'
184540266059SGregory Neil Shapiro #define NORMQF_LETTER 'q'
184640266059SGregory Neil Shapiro #define NEWQFL_LETTER 't'
184740266059SGregory Neil Shapiro 
184840266059SGregory Neil Shapiro # define TEMPQF_LETTER 'T'
184940266059SGregory Neil Shapiro # define LOSEQF_LETTER 'Q'
185040266059SGregory Neil Shapiro 
185106f25ae9SGregory Neil Shapiro /* queue sort order */
185206f25ae9SGregory Neil Shapiro #define QSO_BYPRIORITY	0		/* sort by message priority */
185306f25ae9SGregory Neil Shapiro #define QSO_BYHOST	1		/* sort by first host name */
185406f25ae9SGregory Neil Shapiro #define QSO_BYTIME	2		/* sort by submission time */
185506f25ae9SGregory Neil Shapiro #define QSO_BYFILENAME	3		/* sort by file name only */
185640266059SGregory Neil Shapiro #define QSO_RANDOM	4		/* sort in random order */
185740266059SGregory Neil Shapiro #define QSO_BYMODTIME	5		/* sort by modification time */
185840266059SGregory Neil Shapiro #if _FFR_RHS
185940266059SGregory Neil Shapiro # define QSO_BYSHUFFLE	6		/* sort by shuffled host name */
186040266059SGregory Neil Shapiro #endif /* _FFR_RHS */
186106f25ae9SGregory Neil Shapiro 
186206f25ae9SGregory Neil Shapiro #if _FFR_QUEUEDELAY
186306f25ae9SGregory Neil Shapiro # define QD_LINEAR	0		/* linear (old) delay alg */
186406f25ae9SGregory Neil Shapiro # define QD_EXP		1		/* exponential delay alg */
186506f25ae9SGregory Neil Shapiro #endif /* _FFR_QUEUEDELAY */
186606f25ae9SGregory Neil Shapiro 
186740266059SGregory Neil Shapiro #define NOQGRP	(-1)		/* no queue group (yet) */
186840266059SGregory Neil Shapiro #define ENVQGRP	(-2)		/* use queue group of envelope */
186940266059SGregory Neil Shapiro #define NOAQGRP	(-3)		/* no queue group in addr (yet) */
187040266059SGregory Neil Shapiro #define ISVALIDQGRP(x)	((x) >= 0)	/* valid queue group? */
187106f25ae9SGregory Neil Shapiro #define NOQDIR	(-1)		/* no queue directory (yet) */
187240266059SGregory Neil Shapiro #define ENVQDIR	(-2)		/* use queue directory of envelope */
187340266059SGregory Neil Shapiro #define NOAQDIR	(-3)		/* no queue directory in addr (yet) */
187440266059SGregory Neil Shapiro #define ISVALIDQDIR(x)	((x) >= 0)	/* valid queue directory? */
187540266059SGregory Neil Shapiro #define RS_QUEUEGROUP	"queuegroup"	/* ruleset for queue group selection */
187606f25ae9SGregory Neil Shapiro 
187706f25ae9SGregory Neil Shapiro #define NOW	((time_t) (-1))		/* queue return: now */
187806f25ae9SGregory Neil Shapiro 
187940266059SGregory Neil Shapiro /* SuperSafe values */
188040266059SGregory Neil Shapiro #define SAFE_NO			0	/* no fsync(): don't use... */
188140266059SGregory Neil Shapiro #define SAFE_INTERACTIVE	1	/* limit fsync() in -odi */
188240266059SGregory Neil Shapiro #define SAFE_REALLY		2	/* always fsync() */
188340266059SGregory Neil Shapiro 
188440266059SGregory Neil Shapiro #if _FFR_QUARANTINE
188540266059SGregory Neil Shapiro /* QueueMode bits */
188640266059SGregory Neil Shapiro # define QM_NORMAL		' '
188740266059SGregory Neil Shapiro # define QM_QUARANTINE		'Q'
188840266059SGregory Neil Shapiro # define QM_LOST		'L'
188940266059SGregory Neil Shapiro #endif /* _FFR_QUARANTINE */
189040266059SGregory Neil Shapiro 
189106f25ae9SGregory Neil Shapiro /* Queue Run Limitations */
1892c2aa98e2SPeter Wemm struct queue_char
1893c2aa98e2SPeter Wemm {
1894c2aa98e2SPeter Wemm 	char			*queue_match;	/* string to match */
189540266059SGregory Neil Shapiro 	bool			queue_negate;	/* or not match, if set */
1896c2aa98e2SPeter Wemm 	struct queue_char	*queue_next;
1897c2aa98e2SPeter Wemm };
1898c2aa98e2SPeter Wemm 
1899c2aa98e2SPeter Wemm typedef struct queue_char	QUEUE_CHAR;
1900c2aa98e2SPeter Wemm 
190140266059SGregory Neil Shapiro EXTERN int	volatile CurRunners;	/* current number of runner children */
190240266059SGregory Neil Shapiro EXTERN int	MaxQueueRun;	/* maximum number of jobs in one queue run */
190340266059SGregory Neil Shapiro EXTERN int	MaxQueueChildren;	/* max # of forked queue children */
190440266059SGregory Neil Shapiro EXTERN int	MaxRunnersPerQueue;	/* max # proc's active in queue group */
190540266059SGregory Neil Shapiro EXTERN int	NiceQueueRun;	/* nice queue runs to this value */
190640266059SGregory Neil Shapiro EXTERN int	NumQueue;	/* number of queue groups */
190740266059SGregory Neil Shapiro EXTERN int	QueueFileMode;	/* mode on files in mail queue */
190840266059SGregory Neil Shapiro #if _FFR_QUARANTINE
190940266059SGregory Neil Shapiro EXTERN int	QueueMode;	/* which queue items to act upon */
191040266059SGregory Neil Shapiro #endif /* _FFR_QUARANTINE */
191140266059SGregory Neil Shapiro EXTERN int	QueueSortOrder;	/* queue sorting order algorithm */
191240266059SGregory Neil Shapiro EXTERN time_t	MinQueueAge;	/* min delivery interval */
191340266059SGregory Neil Shapiro EXTERN time_t	QueueIntvl;	/* intervals between running the queue */
191440266059SGregory Neil Shapiro EXTERN char	*QueueDir;	/* location of queue directory */
191540266059SGregory Neil Shapiro #if _FFR_QUEUEDELAY
191640266059SGregory Neil Shapiro EXTERN int	QueueAlg;	/* algorithm for queue delays */
191740266059SGregory Neil Shapiro EXTERN time_t	QueueInitDelay;	/* initial queue delay */
191840266059SGregory Neil Shapiro EXTERN time_t	QueueMaxDelay;	/* maximum queue delay */
191940266059SGregory Neil Shapiro #endif /* _FFR_QUEUEDELAY */
192040266059SGregory Neil Shapiro EXTERN QUEUE_CHAR	*QueueLimitId;		/* limit queue run to id */
192140266059SGregory Neil Shapiro #if _FFR_QUARANTINE
192240266059SGregory Neil Shapiro EXTERN QUEUE_CHAR	*QueueLimitQuarantine;	/* limit queue run to quarantine reason */
192340266059SGregory Neil Shapiro #endif /* _FFR_QUARANTINE */
192440266059SGregory Neil Shapiro EXTERN QUEUE_CHAR	*QueueLimitRecipient;	/* limit queue run to rcpt */
192540266059SGregory Neil Shapiro EXTERN QUEUE_CHAR	*QueueLimitSender;	/* limit queue run to sender */
192640266059SGregory Neil Shapiro EXTERN QUEUEGRP	*Queue[MAXQUEUEGROUPS + 1];	/* queue groups */
192740266059SGregory Neil Shapiro 
192806f25ae9SGregory Neil Shapiro /* functions */
192906f25ae9SGregory Neil Shapiro extern void	assign_queueid __P((ENVELOPE *));
193040266059SGregory Neil Shapiro extern ADDRESS	*copyqueue __P((ADDRESS *, SM_RPOOL_T *));
193140266059SGregory Neil Shapiro extern void	cleanup_queues __P((void));
193240266059SGregory Neil Shapiro extern bool	doqueuerun __P((void));
193306f25ae9SGregory Neil Shapiro extern void	initsys __P((ENVELOPE *));
193406f25ae9SGregory Neil Shapiro extern void	loseqfile __P((ENVELOPE *, char *));
193540266059SGregory Neil Shapiro extern int	name2qid __P((char *));
193606f25ae9SGregory Neil Shapiro extern char	*qid_printname __P((ENVELOPE *));
193740266059SGregory Neil Shapiro extern char	*qid_printqueue __P((int, int));
193840266059SGregory Neil Shapiro #if _FFR_QUARANTINE
193940266059SGregory Neil Shapiro extern void	quarantine_queue __P((char *, int));
194040266059SGregory Neil Shapiro #endif /* _FFR_QUARANTINE */
194106f25ae9SGregory Neil Shapiro extern char	*queuename __P((ENVELOPE *, int));
194240266059SGregory Neil Shapiro extern void	queueup __P((ENVELOPE *, bool, bool));
194340266059SGregory Neil Shapiro extern bool	runqueue __P((bool, bool, bool, bool));
194440266059SGregory Neil Shapiro extern int	run_work_group __P((int, bool, bool, bool, bool));
194540266059SGregory Neil Shapiro extern void	set_def_queueval __P((QUEUEGRP *, bool));
194640266059SGregory Neil Shapiro extern void	setup_queues __P((bool));
194740266059SGregory Neil Shapiro extern bool	setnewqueue __P((ENVELOPE *));
194806f25ae9SGregory Neil Shapiro extern bool	shouldqueue __P((long, time_t));
194906f25ae9SGregory Neil Shapiro extern void	sync_queue_time __P((void));
195040266059SGregory Neil Shapiro extern int	print_single_queue __P((int, int));
195140266059SGregory Neil Shapiro #if REQUIRES_DIR_FSYNC
195240266059SGregory Neil Shapiro # define SYNC_DIR(path, panic) sync_dir(path, panic)
195340266059SGregory Neil Shapiro extern void	sync_dir __P((char *, bool));
195440266059SGregory Neil Shapiro #else /* REQUIRES_DIR_FSYNC */
195540266059SGregory Neil Shapiro # define SYNC_DIR(path, panic) ((void) 0)
195640266059SGregory Neil Shapiro #endif /* REQUIRES_DIR_FSYNC */
1957c2aa98e2SPeter Wemm 
1958c2aa98e2SPeter Wemm /*
1959c2aa98e2SPeter Wemm **  Timeouts
1960c2aa98e2SPeter Wemm **
1961c2aa98e2SPeter Wemm **	Indicated values are the MINIMUM per RFC 1123 section 5.3.2.
1962c2aa98e2SPeter Wemm */
1963c2aa98e2SPeter Wemm 
1964c2aa98e2SPeter Wemm EXTERN struct
1965c2aa98e2SPeter Wemm {
1966c2aa98e2SPeter Wemm 			/* RFC 1123-specified timeouts [minimum value] */
1967c2aa98e2SPeter Wemm 	time_t	to_initial;	/* initial greeting timeout [5m] */
1968c2aa98e2SPeter Wemm 	time_t	to_mail;	/* MAIL command [5m] */
1969c2aa98e2SPeter Wemm 	time_t	to_rcpt;	/* RCPT command [5m] */
1970c2aa98e2SPeter Wemm 	time_t	to_datainit;	/* DATA initiation [2m] */
1971c2aa98e2SPeter Wemm 	time_t	to_datablock;	/* DATA block [3m] */
1972c2aa98e2SPeter Wemm 	time_t	to_datafinal;	/* DATA completion [10m] */
1973c2aa98e2SPeter Wemm 	time_t	to_nextcommand;	/* next command [5m] */
1974c2aa98e2SPeter Wemm 			/* following timeouts are not mentioned in RFC 1123 */
1975c2aa98e2SPeter Wemm 	time_t	to_iconnect;	/* initial connection timeout (first try) */
1976c2aa98e2SPeter Wemm 	time_t	to_connect;	/* initial connection timeout (later tries) */
197740266059SGregory Neil Shapiro 	time_t	to_aconnect;	/* all connections timeout (MX and A records) */
1978c2aa98e2SPeter Wemm 	time_t	to_rset;	/* RSET command */
1979c2aa98e2SPeter Wemm 	time_t	to_helo;	/* HELO command */
1980c2aa98e2SPeter Wemm 	time_t	to_quit;	/* QUIT command */
1981c2aa98e2SPeter Wemm 	time_t	to_miscshort;	/* misc short commands (NOOP, VERB, etc) */
1982c2aa98e2SPeter Wemm 	time_t	to_ident;	/* IDENT protocol requests */
1983c2aa98e2SPeter Wemm 	time_t	to_fileopen;	/* opening :include: and .forward files */
198406f25ae9SGregory Neil Shapiro 	time_t	to_control;	/* process a control socket command */
198540266059SGregory Neil Shapiro 	time_t	to_lhlo;	/* LMTP: LHLO command */
198640266059SGregory Neil Shapiro #if SASL
198740266059SGregory Neil Shapiro 	time_t	to_auth;	/* AUTH dialogue [10m] */
198840266059SGregory Neil Shapiro #endif /* SASL */
198940266059SGregory Neil Shapiro #if STARTTLS
199040266059SGregory Neil Shapiro 	time_t	to_starttls;	/* STARTTLS dialogue [10m] */
199140266059SGregory Neil Shapiro #endif /* STARTTLS */
1992c2aa98e2SPeter Wemm 			/* following are per message */
1993c2aa98e2SPeter Wemm 	time_t	to_q_return[MAXTOCLASS];	/* queue return timeouts */
1994c2aa98e2SPeter Wemm 	time_t	to_q_warning[MAXTOCLASS];	/* queue warning timeouts */
199506f25ae9SGregory Neil Shapiro 	time_t	res_retrans[MAXRESTOTYPES];	/* resolver retransmit */
199606f25ae9SGregory Neil Shapiro 	int	res_retry[MAXRESTOTYPES];	/* resolver retry */
1997c2aa98e2SPeter Wemm } TimeOuts;
1998c2aa98e2SPeter Wemm 
1999c2aa98e2SPeter Wemm /* timeout classes for return and warning timeouts */
2000c2aa98e2SPeter Wemm #define TOC_NORMAL	0	/* normal delivery */
2001c2aa98e2SPeter Wemm #define TOC_URGENT	1	/* urgent delivery */
2002c2aa98e2SPeter Wemm #define TOC_NONURGENT	2	/* non-urgent delivery */
2003c2aa98e2SPeter Wemm 
200406f25ae9SGregory Neil Shapiro /* resolver timeout specifiers */
200506f25ae9SGregory Neil Shapiro #define RES_TO_FIRST	0	/* first attempt */
200606f25ae9SGregory Neil Shapiro #define RES_TO_NORMAL	1	/* subsequent attempts */
200706f25ae9SGregory Neil Shapiro #define RES_TO_DEFAULT	2	/* default value */
200806f25ae9SGregory Neil Shapiro 
200906f25ae9SGregory Neil Shapiro /* functions */
201006f25ae9SGregory Neil Shapiro extern void	inittimeouts __P((char *, bool));
2011c2aa98e2SPeter Wemm 
2012c2aa98e2SPeter Wemm /*
201340266059SGregory Neil Shapiro **  Interface probing
201440266059SGregory Neil Shapiro */
201540266059SGregory Neil Shapiro 
201640266059SGregory Neil Shapiro #define DPI_PROBENONE		0	/* Don't probe any interfaces */
201740266059SGregory Neil Shapiro #define DPI_PROBEALL		1	/* Probe all interfaces */
201840266059SGregory Neil Shapiro #define DPI_SKIPLOOPBACK	2	/* Don't probe loopback interfaces */
201940266059SGregory Neil Shapiro 
202040266059SGregory Neil Shapiro /*
2021c2aa98e2SPeter Wemm **  Trace information
2022c2aa98e2SPeter Wemm */
2023c2aa98e2SPeter Wemm 
202406f25ae9SGregory Neil Shapiro /* macros for debugging flags */
202540266059SGregory Neil Shapiro #define tTd(flag, level)	(tTdvect[flag] >= (unsigned char)level)
2026c2aa98e2SPeter Wemm #define tTdlevel(flag)		(tTdvect[flag])
202706f25ae9SGregory Neil Shapiro 
202806f25ae9SGregory Neil Shapiro /* variables */
202940266059SGregory Neil Shapiro extern unsigned char	tTdvect[100];	/* trace vector */
20308774250cSGregory Neil Shapiro 
203140266059SGregory Neil Shapiro /*
2032c2aa98e2SPeter Wemm **  Miscellaneous information.
2033c2aa98e2SPeter Wemm */
2034c2aa98e2SPeter Wemm 
2035c2aa98e2SPeter Wemm /*
2036c2aa98e2SPeter Wemm **  The "no queue id" queue id for sm_syslog
2037c2aa98e2SPeter Wemm */
2038c2aa98e2SPeter Wemm 
2039c2aa98e2SPeter Wemm #define NOQID		"*~*"
2040c2aa98e2SPeter Wemm 
204140266059SGregory Neil Shapiro /* use id or NOQID (to avoid NOQUEUE in logfile) */
204240266059SGregory Neil Shapiro #define E_ID(id)	((id) == NULL ? NOQID : (id))
204340266059SGregory Neil Shapiro 
204440266059SGregory Neil Shapiro #define CURHOSTNAME	(CurHostName == NULL ? "local" : CurHostName)
2045c2aa98e2SPeter Wemm 
2046c2aa98e2SPeter Wemm /*
2047c2aa98e2SPeter Wemm **  Some in-line functions
2048c2aa98e2SPeter Wemm */
2049c2aa98e2SPeter Wemm 
2050c2aa98e2SPeter Wemm /* set exit status */
2051c2aa98e2SPeter Wemm #define setstat(s)	{ \
2052c2aa98e2SPeter Wemm 				if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL) \
2053c2aa98e2SPeter Wemm 					ExitStat = s; \
2054c2aa98e2SPeter Wemm 			}
2055c2aa98e2SPeter Wemm 
2056c2aa98e2SPeter Wemm /* make a copy of a string */
2057c2aa98e2SPeter Wemm #define newstr(s)	strcpy(xalloc(strlen(s) + 1), s)
2058c2aa98e2SPeter Wemm 
2059c2aa98e2SPeter Wemm #define STRUCTCOPY(s, d)	d = s
206040266059SGregory Neil Shapiro 
206140266059SGregory Neil Shapiro /* free a pointer if it isn't NULL and set it to NULL */
206240266059SGregory Neil Shapiro #define SM_FREE_CLR(p)	\
206340266059SGregory Neil Shapiro 			if ((p) != NULL) \
206440266059SGregory Neil Shapiro 			{ \
206540266059SGregory Neil Shapiro 				sm_free(p); \
206640266059SGregory Neil Shapiro 				(p) = NULL; \
206740266059SGregory Neil Shapiro 			} \
206840266059SGregory Neil Shapiro 			else
206940266059SGregory Neil Shapiro 
207040266059SGregory Neil Shapiro /*
207140266059SGregory Neil Shapiro **  Update a permanent string variable with a new value.
207240266059SGregory Neil Shapiro **  The old value is freed, the new value is strdup'ed.
207340266059SGregory Neil Shapiro **
207440266059SGregory Neil Shapiro **  We use sm_pstrdup_x to duplicate the string because it raises
207540266059SGregory Neil Shapiro **  an exception on error, and because it allocates "permanent storage"
207640266059SGregory Neil Shapiro **  which is not expected to be freed before process exit.
207740266059SGregory Neil Shapiro **  The latter is important for memory leak analysis.
207840266059SGregory Neil Shapiro **
207940266059SGregory Neil Shapiro **  If an exception occurs while strdup'ing the new value,
208040266059SGregory Neil Shapiro **  then the variable remains set to the old value.
208140266059SGregory Neil Shapiro **  That's why the strdup must occur before we free the old value.
208240266059SGregory Neil Shapiro **
208340266059SGregory Neil Shapiro **  The macro uses a do loop so that this idiom will work:
208440266059SGregory Neil Shapiro **	if (...)
208540266059SGregory Neil Shapiro **		PSTRSET(var, val1);
208640266059SGregory Neil Shapiro **	else
208740266059SGregory Neil Shapiro **		PSTRSET(var, val2);
208840266059SGregory Neil Shapiro */
208940266059SGregory Neil Shapiro #define PSTRSET(var, val) \
209040266059SGregory Neil Shapiro 	do \
209140266059SGregory Neil Shapiro 	{ \
209240266059SGregory Neil Shapiro 		char *_newval = sm_pstrdup_x(val); \
209340266059SGregory Neil Shapiro 		if (var != NULL) \
209440266059SGregory Neil Shapiro 			sm_free(var); \
209540266059SGregory Neil Shapiro 		var = _newval; \
209640266059SGregory Neil Shapiro 	} while (0)
209740266059SGregory Neil Shapiro 
209840266059SGregory Neil Shapiro /*
209906f25ae9SGregory Neil Shapiro **  Global variables.
210006f25ae9SGregory Neil Shapiro */
210106f25ae9SGregory Neil Shapiro 
210206f25ae9SGregory Neil Shapiro EXTERN bool	AllowBogusHELO;	/* allow syntax errors on HELO command */
210306f25ae9SGregory Neil Shapiro EXTERN bool	CheckAliases;	/* parse addresses during newaliases */
210406f25ae9SGregory Neil Shapiro EXTERN bool	ColonOkInAddr;	/* single colon legal in address */
210540266059SGregory Neil Shapiro #if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_)
210606f25ae9SGregory Neil Shapiro EXTERN bool	ConfigFileRead;	/* configuration file has been read */
210740266059SGregory Neil Shapiro #endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */
21088774250cSGregory Neil Shapiro EXTERN bool	volatile DataProgress;	/* have we sent anything since last check */
210940266059SGregory Neil Shapiro EXTERN bool	DisConnected;	/* running with OutChannel redirect to transcript file */
211006f25ae9SGregory Neil Shapiro EXTERN bool	DontExpandCnames;	/* do not $[...$] expand CNAMEs */
211106f25ae9SGregory Neil Shapiro EXTERN bool	DontInitGroups;	/* avoid initgroups() because of NIS cost */
211206f25ae9SGregory Neil Shapiro EXTERN bool	DontLockReadFiles;	/* don't read lock support files */
211306f25ae9SGregory Neil Shapiro EXTERN bool	DontPruneRoutes;	/* don't prune source routes */
211406f25ae9SGregory Neil Shapiro EXTERN bool	ForkQueueRuns;	/* fork for each job when running the queue */
211506f25ae9SGregory Neil Shapiro EXTERN bool	FromFlag;	/* if set, "From" person is explicit */
211606f25ae9SGregory Neil Shapiro EXTERN bool	GrabTo;		/* if set, get recipients from msg */
211706f25ae9SGregory Neil Shapiro EXTERN bool	HasEightBits;	/* has at least one eight bit input byte */
211806f25ae9SGregory Neil Shapiro EXTERN bool	HasWildcardMX;	/* don't use MX records when canonifying */
211906f25ae9SGregory Neil Shapiro EXTERN bool	HoldErrs;	/* only output errors to transcript */
212006f25ae9SGregory Neil Shapiro EXTERN bool	IgnoreHostStatus;	/* ignore long term host status files */
212106f25ae9SGregory Neil Shapiro EXTERN bool	IgnrDot;	/* don't let dot end messages */
212206f25ae9SGregory Neil Shapiro EXTERN bool	LogUsrErrs;	/* syslog user errors (e.g., SMTP RCPT cmd) */
212306f25ae9SGregory Neil Shapiro EXTERN bool	MatchGecos;	/* look for user names in gecos field */
212406f25ae9SGregory Neil Shapiro EXTERN bool	MeToo;		/* send to the sender also */
212506f25ae9SGregory Neil Shapiro EXTERN bool	NoAlias;	/* suppress aliasing */
212606f25ae9SGregory Neil Shapiro EXTERN bool	NoConnect;	/* don't connect to non-local mailers */
212706f25ae9SGregory Neil Shapiro EXTERN bool	OnlyOneError;	/*  .... or only want to give one SMTP reply */
212806f25ae9SGregory Neil Shapiro EXTERN bool	QuickAbort;	/*  .... but only if we want a quick abort */
212940266059SGregory Neil Shapiro EXTERN bool	ResNoAliases;	/* don't use $HOSTALIASES */
213040266059SGregory Neil Shapiro EXTERN bool	volatile RestartWorkGroup; /* daemon needs to restart some work groups */
213106f25ae9SGregory Neil Shapiro EXTERN bool	RrtImpliesDsn;	/* turn Return-Receipt-To: into DSN */
213206f25ae9SGregory Neil Shapiro EXTERN bool	SaveFrom;	/* save leading "From" lines */
213306f25ae9SGregory Neil Shapiro EXTERN bool	SendMIMEErrors;	/* send error messages in MIME format */
213406f25ae9SGregory Neil Shapiro EXTERN bool	SevenBitInput;	/* force 7-bit data on input */
213506f25ae9SGregory Neil Shapiro EXTERN bool	SingleLineFromHeader;	/* force From: header to be one line */
213606f25ae9SGregory Neil Shapiro EXTERN bool	SingleThreadDelivery;	/* single thread hosts on delivery */
213740266059SGregory Neil Shapiro #if _FFR_SOFT_BOUNCE
213840266059SGregory Neil Shapiro EXTERN bool	SoftBounce;	/* replace 5xy by 4xy (for testing) */
213940266059SGregory Neil Shapiro #endif /* _FFR_SOFT_BOUNCE */
21408774250cSGregory Neil Shapiro EXTERN bool	volatile StopRequest;	/* stop sending output */
214106f25ae9SGregory Neil Shapiro EXTERN bool	SuprErrs;	/* set if we are suppressing errors */
214206f25ae9SGregory Neil Shapiro EXTERN bool	TryNullMXList;	/* if we are the best MX, try host directly */
214340266059SGregory Neil Shapiro EXTERN bool	UseMSP;		/* mail submission: group writable queue ok? */
2144602a2b1bSGregory Neil Shapiro EXTERN bool	WorkAroundBrokenAAAA;	/* some nameservers return SERVFAIL on AAAA queries */
214506f25ae9SGregory Neil Shapiro EXTERN bool	UseErrorsTo;	/* use Errors-To: header (back compat) */
214606f25ae9SGregory Neil Shapiro EXTERN bool	UseNameServer;	/* using DNS -- interpret h_errno & MX RRs */
214706f25ae9SGregory Neil Shapiro EXTERN char	InetMode;		/* default network for daemon mode */
214806f25ae9SGregory Neil Shapiro EXTERN char	OpMode;		/* operation mode, see below */
214906f25ae9SGregory Neil Shapiro EXTERN char	SpaceSub;	/* substitution for <lwsp> */
215040266059SGregory Neil Shapiro EXTERN int	BadRcptThrottle; /* Throttle rejected RCPTs per SMTP message */
215106f25ae9SGregory Neil Shapiro EXTERN int	CheckpointInterval;	/* queue file checkpoint interval */
215206f25ae9SGregory Neil Shapiro EXTERN int	ConfigLevel;	/* config file level */
215306f25ae9SGregory Neil Shapiro EXTERN int	ConnRateThrottle;	/* throttle for SMTP connection rate */
21548774250cSGregory Neil Shapiro EXTERN int	volatile CurChildren;	/* current number of daemonic children */
215506f25ae9SGregory Neil Shapiro EXTERN int	CurrentLA;	/* current load average */
215606f25ae9SGregory Neil Shapiro EXTERN int	DefaultNotify;	/* default DSN notification flags */
215740266059SGregory Neil Shapiro EXTERN int	DelayLA;	/* load average to delay connections */
215840266059SGregory Neil Shapiro EXTERN int	DontProbeInterfaces;	/* don't probe interfaces for names */
215906f25ae9SGregory Neil Shapiro EXTERN int	Errors;		/* set if errors (local to single pass) */
216006f25ae9SGregory Neil Shapiro EXTERN int	ExitStat;	/* exit status code */
216140266059SGregory Neil Shapiro EXTERN int	FastSplit;	/* fast initial splitting of envelopes */
216206f25ae9SGregory Neil Shapiro EXTERN int	FileMode;	/* mode on files */
216306f25ae9SGregory Neil Shapiro EXTERN int	LineNumber;	/* line number in current input */
216406f25ae9SGregory Neil Shapiro EXTERN int	LogLevel;	/* level of logging to perform */
216506f25ae9SGregory Neil Shapiro EXTERN int	MaxAliasRecursion;	/* maximum depth of alias recursion */
216606f25ae9SGregory Neil Shapiro EXTERN int	MaxChildren;	/* maximum number of daemonic children */
216706f25ae9SGregory Neil Shapiro EXTERN int	MaxForwardEntries;	/* maximum number of forward entries */
216806f25ae9SGregory Neil Shapiro EXTERN int	MaxHeadersLength;	/* max length of headers */
216906f25ae9SGregory Neil Shapiro EXTERN int	MaxHopCount;	/* max # of hops until bounce */
217006f25ae9SGregory Neil Shapiro EXTERN int	MaxMacroRecursion;	/* maximum depth of macro recursion */
217106f25ae9SGregory Neil Shapiro EXTERN int	MaxMimeFieldLength;	/* maximum MIME field length */
217206f25ae9SGregory Neil Shapiro EXTERN int	MaxMimeHeaderLength;	/* maximum MIME header length */
2173c2aa98e2SPeter Wemm 
217406f25ae9SGregory Neil Shapiro EXTERN int	MaxRcptPerMsg;	/* max recipients per SMTP message */
217506f25ae9SGregory Neil Shapiro EXTERN int	MaxRuleRecursion;	/* maximum depth of ruleset recursion */
217606f25ae9SGregory Neil Shapiro EXTERN int	MimeMode;	/* MIME processing mode */
217706f25ae9SGregory Neil Shapiro EXTERN int	NoRecipientAction;
217840266059SGregory Neil Shapiro 
217940266059SGregory Neil Shapiro #if SM_CONF_SHM
218040266059SGregory Neil Shapiro EXTERN int	Numfilesys;	/* number of queue file systems */
218140266059SGregory Neil Shapiro EXTERN int	*PNumFileSys;
218240266059SGregory Neil Shapiro # define NumFileSys	(*PNumFileSys)
218340266059SGregory Neil Shapiro # else /* SM_CONF_SHM */
218440266059SGregory Neil Shapiro EXTERN int	NumFileSys;	/* number of queue file systems */
218540266059SGregory Neil Shapiro # endif /* SM_CONF_SHM */
218640266059SGregory Neil Shapiro 
218706f25ae9SGregory Neil Shapiro EXTERN int	QueueLA;	/* load average starting forced queueing */
218840266059SGregory Neil Shapiro EXTERN int	RefuseLA;	/* load average refusing connections */
218940266059SGregory Neil Shapiro EXTERN int	SuperSafe;	/* be extra careful, even if expensive */
219006f25ae9SGregory Neil Shapiro EXTERN int	VendorCode;	/* vendor-specific operation enhancements */
219106f25ae9SGregory Neil Shapiro EXTERN int	Verbose;	/* set if blow-by-blow desired */
219206f25ae9SGregory Neil Shapiro EXTERN gid_t	DefGid;		/* default gid to run as */
219306f25ae9SGregory Neil Shapiro EXTERN gid_t	RealGid;	/* real gid of caller */
219406f25ae9SGregory Neil Shapiro EXTERN gid_t	RunAsGid;	/* GID to become for bulk of run */
219540266059SGregory Neil Shapiro EXTERN gid_t	EffGid;		/* effective gid */
219640266059SGregory Neil Shapiro #if SM_CONF_SHM
219740266059SGregory Neil Shapiro EXTERN key_t	ShmKey;		/* shared memory key */
2198605302a5SGregory Neil Shapiro # if _FFR_SELECT_SHM
2199605302a5SGregory Neil Shapiro EXTERN char	*ShmKeyFile;	/* shared memory key file */
2200605302a5SGregory Neil Shapiro # endif /* _FFR_SELECT_SHM */
220140266059SGregory Neil Shapiro #endif /* SM_CONF_SHM */
220240266059SGregory Neil Shapiro EXTERN pid_t	CurrentPid;	/* current process id */
220340266059SGregory Neil Shapiro EXTERN pid_t	DaemonPid;	/* process id of daemon */
220406f25ae9SGregory Neil Shapiro EXTERN uid_t	DefUid;		/* default uid to run as */
220506f25ae9SGregory Neil Shapiro EXTERN uid_t	RealUid;	/* real uid of caller */
220606f25ae9SGregory Neil Shapiro EXTERN uid_t	RunAsUid;	/* UID to become for bulk of run */
220706f25ae9SGregory Neil Shapiro EXTERN uid_t	TrustedUid;	/* uid of trusted user for files and startup */
220840266059SGregory Neil Shapiro EXTERN size_t	DataFileBufferSize;	/* size of buf for in-core data file */
220940266059SGregory Neil Shapiro EXTERN time_t	DeliverByMin;	/* deliver by minimum time */
221006f25ae9SGregory Neil Shapiro EXTERN time_t	DialDelay;	/* delay between dial-on-demand tries */
221106f25ae9SGregory Neil Shapiro EXTERN time_t	SafeAlias;	/* interval to wait until @:@ in alias file */
221206f25ae9SGregory Neil Shapiro EXTERN time_t	ServiceCacheMaxAge;	/* refresh interval for cache */
221340266059SGregory Neil Shapiro EXTERN size_t	XscriptFileBufferSize;	/* size of buf for in-core transcript file */
221406f25ae9SGregory Neil Shapiro EXTERN MODE_T	OldUmask;	/* umask when sendmail starts up */
221506f25ae9SGregory Neil Shapiro EXTERN long	MaxMessageSize;	/* advertised max size we will accept */
221606f25ae9SGregory Neil Shapiro EXTERN long	MinBlocksFree;	/* min # of blocks free on queue fs */
221706f25ae9SGregory Neil Shapiro EXTERN long	QueueFactor;	/* slope of queue function */
221806f25ae9SGregory Neil Shapiro EXTERN long	WkClassFact;	/* multiplier for message class -> priority */
221906f25ae9SGregory Neil Shapiro EXTERN long	WkRecipFact;	/* multiplier for # of recipients -> priority */
222006f25ae9SGregory Neil Shapiro EXTERN long	WkTimeFact;	/* priority offset each time this job is run */
222106f25ae9SGregory Neil Shapiro EXTERN char	*ControlSocketName; /* control socket filename [control.c] */
222206f25ae9SGregory Neil Shapiro EXTERN char	*CurHostName;	/* current host we are dealing with */
222306f25ae9SGregory Neil Shapiro EXTERN char	*DeadLetterDrop;	/* path to dead letter office */
222406f25ae9SGregory Neil Shapiro EXTERN char	*DefUser;	/* default user to run as (from DefUid) */
222506f25ae9SGregory Neil Shapiro EXTERN char	*DefaultCharSet;	/* default character set for MIME */
222606f25ae9SGregory Neil Shapiro EXTERN char	*DoubleBounceAddr;	/* where to send double bounces */
222706f25ae9SGregory Neil Shapiro EXTERN char	*ErrMsgFile;	/* file to prepend to all error messages */
222806f25ae9SGregory Neil Shapiro EXTERN char	*FallBackMX;	/* fall back MX host */
222906f25ae9SGregory Neil Shapiro EXTERN char	*FileName;	/* name to print on error messages */
223006f25ae9SGregory Neil Shapiro EXTERN char	*ForwardPath;	/* path to search for .forward files */
223106f25ae9SGregory Neil Shapiro EXTERN char	*HelpFile;	/* location of SMTP help file */
223206f25ae9SGregory Neil Shapiro EXTERN char	*HostStatDir;	/* location of host status information */
223306f25ae9SGregory Neil Shapiro EXTERN char	*HostsFile;	/* path to /etc/hosts file */
223440266059SGregory Neil Shapiro extern char	*Mbdb;		/* mailbox database type */
223506f25ae9SGregory Neil Shapiro EXTERN char	*MustQuoteChars;	/* quote these characters in phrases */
223606f25ae9SGregory Neil Shapiro EXTERN char	*MyHostName;	/* name of this host for SMTP messages */
223706f25ae9SGregory Neil Shapiro EXTERN char	*OperatorChars;	/* operators (old $o macro) */
223806f25ae9SGregory Neil Shapiro EXTERN char	*PidFile;	/* location of proc id file [conf.c] */
223906f25ae9SGregory Neil Shapiro EXTERN char	*PostMasterCopy;	/* address to get errs cc's */
224006f25ae9SGregory Neil Shapiro EXTERN char	*ProcTitlePrefix; /* process title prefix */
224106f25ae9SGregory Neil Shapiro EXTERN char	*RealHostName;	/* name of host we are talking to */
224206f25ae9SGregory Neil Shapiro EXTERN char	*RealUserName;	/* real user name of caller */
22438774250cSGregory Neil Shapiro EXTERN char	*volatile RestartRequest;/* a sendmail restart has been requested */
224406f25ae9SGregory Neil Shapiro EXTERN char	*RunAsUserName;	/* user to become for bulk of run */
224506f25ae9SGregory Neil Shapiro EXTERN char	*SafeFileEnv;	/* chroot location for file delivery */
224606f25ae9SGregory Neil Shapiro EXTERN char	*ServiceSwitchFile;	/* backup service switch */
22478774250cSGregory Neil Shapiro EXTERN char	*volatile ShutdownRequest;/* a sendmail shutdown has been requested */
224806f25ae9SGregory Neil Shapiro EXTERN char	*SmtpGreeting;	/* SMTP greeting message (old $e macro) */
224906f25ae9SGregory Neil Shapiro EXTERN char	*SmtpPhase;	/* current phase in SMTP processing */
225006f25ae9SGregory Neil Shapiro EXTERN char	SmtpError[MAXLINE];	/* save failure error messages */
225106f25ae9SGregory Neil Shapiro EXTERN char	*StatFile;	/* location of statistics summary */
225206f25ae9SGregory Neil Shapiro EXTERN char	*TimeZoneSpec;	/* override time zone specification */
225306f25ae9SGregory Neil Shapiro EXTERN char	*UdbSpec;	/* user database source spec */
225406f25ae9SGregory Neil Shapiro EXTERN char	*UnixFromLine;	/* UNIX From_ line (old $l macro) */
225540266059SGregory Neil Shapiro EXTERN char	**ExternalEnviron;	/* saved user (input) environment */
22568774250cSGregory Neil Shapiro EXTERN char	**SaveArgv;	/* argument vector for re-execing */
225706f25ae9SGregory Neil Shapiro EXTERN BITMAP256	DontBlameSendmail;	/* DontBlameSendmail bits */
225840266059SGregory Neil Shapiro EXTERN SM_FILE_T	*InChannel;	/* input connection */
225940266059SGregory Neil Shapiro EXTERN SM_FILE_T	*OutChannel;	/* output connection */
226040266059SGregory Neil Shapiro EXTERN SM_FILE_T	*TrafficLogFile; /* file in which to log all traffic */
226140266059SGregory Neil Shapiro #if HESIOD
226206f25ae9SGregory Neil Shapiro EXTERN void	*HesiodContext;
226306f25ae9SGregory Neil Shapiro #endif /* HESIOD */
226406f25ae9SGregory Neil Shapiro EXTERN ENVELOPE	*CurEnv;	/* envelope currently being processed */
226506f25ae9SGregory Neil Shapiro EXTERN char	*RuleSetNames[MAXRWSETS];	/* ruleset number to name */
226606f25ae9SGregory Neil Shapiro EXTERN char	*UserEnviron[MAXUSERENVIRON + 1];
226740266059SGregory Neil Shapiro EXTERN struct rewrite	*RewriteRules[MAXRWSETS];
226806f25ae9SGregory Neil Shapiro EXTERN struct termescape	TermEscape;	/* terminal escape codes */
226906f25ae9SGregory Neil Shapiro EXTERN SOCKADDR	ConnectOnlyTo;	/* override connection address (for testing) */
227006f25ae9SGregory Neil Shapiro EXTERN SOCKADDR RealHostAddr;	/* address of host we are talking to */
227140266059SGregory Neil Shapiro extern const SM_EXC_TYPE_T EtypeQuickAbort; /* type of a QuickAbort exception */
227240266059SGregory Neil Shapiro 
227340266059SGregory Neil Shapiro 
2274c2aa98e2SPeter Wemm 
2275c2aa98e2SPeter Wemm /*
2276c2aa98e2SPeter Wemm **  Declarations of useful functions
2277c2aa98e2SPeter Wemm */
2278c2aa98e2SPeter Wemm 
227906f25ae9SGregory Neil Shapiro /* Transcript file */
2280c2aa98e2SPeter Wemm extern void	closexscript __P((ENVELOPE *));
228106f25ae9SGregory Neil Shapiro extern void	openxscript __P((ENVELOPE *));
228206f25ae9SGregory Neil Shapiro 
228306f25ae9SGregory Neil Shapiro /* error related */
2284c2aa98e2SPeter Wemm extern void	buffer_errors __P((void));
2285c2aa98e2SPeter Wemm extern void	flush_errors __P((bool));
228640266059SGregory Neil Shapiro extern void PRINTFLIKE(1, 2)	message __P((const char *, ...));
228740266059SGregory Neil Shapiro extern void PRINTFLIKE(1, 2)	nmessage __P((const char *, ...));
228840266059SGregory Neil Shapiro extern void PRINTFLIKE(1, 2)	syserr __P((const char *, ...));
228940266059SGregory Neil Shapiro extern void PRINTFLIKE(2, 3)	usrerrenh __P((char *, const char *, ...));
229040266059SGregory Neil Shapiro extern void PRINTFLIKE(1, 2)	usrerr __P((const char *, ...));
229106f25ae9SGregory Neil Shapiro extern int	isenhsc __P((const char *, int));
229206f25ae9SGregory Neil Shapiro extern int	extenhsc __P((const char *, int, char *));
229306f25ae9SGregory Neil Shapiro 
229406f25ae9SGregory Neil Shapiro /* alias file */
229506f25ae9SGregory Neil Shapiro extern void	alias __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
229606f25ae9SGregory Neil Shapiro extern bool	aliaswait __P((MAP *, char *, bool));
229706f25ae9SGregory Neil Shapiro extern void	forward __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
229840266059SGregory Neil Shapiro extern void	readaliases __P((MAP *, SM_FILE_T *, bool, bool));
229906f25ae9SGregory Neil Shapiro extern bool	rebuildaliases __P((MAP *, bool));
230006f25ae9SGregory Neil Shapiro extern void	setalias __P((char *));
230106f25ae9SGregory Neil Shapiro 
230206f25ae9SGregory Neil Shapiro /* logging */
230306f25ae9SGregory Neil Shapiro extern void	logdelivery __P((MAILER *, MCI *, char *, const char *, ADDRESS *, time_t, ENVELOPE *));
230406f25ae9SGregory Neil Shapiro extern void	logsender __P((ENVELOPE *, char *));
230540266059SGregory Neil Shapiro extern void PRINTFLIKE(3, 4) sm_syslog __P((int, const char *, const char *, ...));
2306c2aa98e2SPeter Wemm 
230706f25ae9SGregory Neil Shapiro /* SMTP */
230840266059SGregory Neil Shapiro extern void	giveresponse __P((int, char *, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *, ADDRESS *));
230906f25ae9SGregory Neil Shapiro extern int	reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)(), char **));
231006f25ae9SGregory Neil Shapiro extern void	smtp __P((char *volatile, BITMAP256, ENVELOPE *volatile));
231106f25ae9SGregory Neil Shapiro #if SASL
231206f25ae9SGregory Neil Shapiro extern int	smtpauth __P((MAILER *, MCI *, ENVELOPE *));
231306f25ae9SGregory Neil Shapiro #endif /* SASL */
231440266059SGregory Neil Shapiro extern int	smtpdata __P((MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t));
231506f25ae9SGregory Neil Shapiro extern int	smtpgetstat __P((MAILER *, MCI *, ENVELOPE *));
231606f25ae9SGregory Neil Shapiro extern int	smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *));
231706f25ae9SGregory Neil Shapiro extern void	smtpmessage __P((char *, MAILER *, MCI *, ...));
231806f25ae9SGregory Neil Shapiro extern void	smtpinit __P((MAILER *, MCI *, ENVELOPE *, bool));
231906f25ae9SGregory Neil Shapiro extern char	*smtptodsn __P((int));
232006f25ae9SGregory Neil Shapiro extern int	smtpprobe __P((MCI *));
232106f25ae9SGregory Neil Shapiro extern void	smtpquit __P((MAILER *, MCI *, ENVELOPE *));
232240266059SGregory Neil Shapiro extern int	smtprcpt __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t));
232306f25ae9SGregory Neil Shapiro extern void	smtprset __P((MAILER *, MCI *, ENVELOPE *));
232406f25ae9SGregory Neil Shapiro 
232506f25ae9SGregory Neil Shapiro #define ISSMTPCODE(c)	(isascii(c[0]) && isdigit(c[0]) && \
232606f25ae9SGregory Neil Shapiro 		    isascii(c[1]) && isdigit(c[1]) && \
232706f25ae9SGregory Neil Shapiro 		    isascii(c[2]) && isdigit(c[2]))
232806f25ae9SGregory Neil Shapiro #define ISSMTPREPLY(c)	(ISSMTPCODE(c) && \
232906f25ae9SGregory Neil Shapiro 		    (c[3] == ' ' || c[3] == '-' || c[3] == '\0'))
233006f25ae9SGregory Neil Shapiro 
233106f25ae9SGregory Neil Shapiro /* delivery */
233240266059SGregory Neil Shapiro extern pid_t	dowork __P((int, int, char *, bool, bool, ENVELOPE *));
233340266059SGregory Neil Shapiro extern pid_t	doworklist __P((ENVELOPE *, bool, bool));
233406f25ae9SGregory Neil Shapiro extern int	endmailer __P((MCI *, ENVELOPE *, char **));
233506f25ae9SGregory Neil Shapiro extern int	mailfile __P((char *volatile, MAILER *volatile, ADDRESS *, volatile long, ENVELOPE *));
233606f25ae9SGregory Neil Shapiro extern void	sendall __P((ENVELOPE *, int));
233706f25ae9SGregory Neil Shapiro 
233806f25ae9SGregory Neil Shapiro /* stats */
233940266059SGregory Neil Shapiro #define STATS_NORMAL		'n'
234040266059SGregory Neil Shapiro #if _FFR_QUARANTINE
234140266059SGregory Neil Shapiro # define STATS_QUARANTINE	'q'
234240266059SGregory Neil Shapiro #endif /* _FFR_QUARANTINE */
234340266059SGregory Neil Shapiro #define STATS_REJECT		'r'
2344605302a5SGregory Neil Shapiro #define STATS_CONNECT		'c'
234540266059SGregory Neil Shapiro 
234640266059SGregory Neil Shapiro extern void	markstats __P((ENVELOPE *, ADDRESS *, int));
234706f25ae9SGregory Neil Shapiro extern void	clearstats __P((void));
234806f25ae9SGregory Neil Shapiro extern void	poststats __P((char *));
234906f25ae9SGregory Neil Shapiro 
235006f25ae9SGregory Neil Shapiro /* control socket */
235106f25ae9SGregory Neil Shapiro extern void	closecontrolsocket  __P((bool));
235206f25ae9SGregory Neil Shapiro extern void	clrcontrol  __P((void));
235306f25ae9SGregory Neil Shapiro extern void	control_command __P((int, ENVELOPE *));
235406f25ae9SGregory Neil Shapiro extern int	opencontrolsocket __P((void));
235506f25ae9SGregory Neil Shapiro 
235640266059SGregory Neil Shapiro #if MILTER
235706f25ae9SGregory Neil Shapiro /* milter functions */
235840266059SGregory Neil Shapiro extern void	milter_config __P((char *, struct milter **, int));
235906f25ae9SGregory Neil Shapiro extern void	milter_setup __P((char *));
236006f25ae9SGregory Neil Shapiro extern void	milter_set_option __P((char *, char *, bool));
236106f25ae9SGregory Neil Shapiro extern bool	milter_can_delrcpts __P((void));
236240266059SGregory Neil Shapiro extern bool	milter_init __P((ENVELOPE *, char *));
236306f25ae9SGregory Neil Shapiro extern void	milter_quit __P((ENVELOPE *));
236406f25ae9SGregory Neil Shapiro extern void	milter_abort __P((ENVELOPE *));
236506f25ae9SGregory Neil Shapiro extern char	*milter_connect __P((char *, SOCKADDR, ENVELOPE *, char *));
236606f25ae9SGregory Neil Shapiro extern char	*milter_helo __P((char *, ENVELOPE *, char *));
236706f25ae9SGregory Neil Shapiro extern char	*milter_envfrom __P((char **, ENVELOPE *, char *));
236806f25ae9SGregory Neil Shapiro extern char	*milter_envrcpt __P((char **, ENVELOPE *, char *));
236906f25ae9SGregory Neil Shapiro extern char	*milter_data __P((ENVELOPE *, char *));
237040266059SGregory Neil Shapiro #endif /* MILTER */
237106f25ae9SGregory Neil Shapiro 
237240266059SGregory Neil Shapiro extern char	*addquotes __P((char *, SM_RPOOL_T *));
237306f25ae9SGregory Neil Shapiro extern char	*arpadate __P((char *));
237406f25ae9SGregory Neil Shapiro extern bool	atobool __P((char *));
237506f25ae9SGregory Neil Shapiro extern int	atooct __P((char *));
237606f25ae9SGregory Neil Shapiro extern void	auth_warning __P((ENVELOPE *, const char *, ...));
237706f25ae9SGregory Neil Shapiro extern int	blocksignal __P((int));
237806f25ae9SGregory Neil Shapiro extern bool	bitintersect __P((BITMAP256, BITMAP256));
237906f25ae9SGregory Neil Shapiro extern bool	bitzerop __P((BITMAP256));
238040266059SGregory Neil Shapiro extern int	check_bodytype __P((char *));
238106f25ae9SGregory Neil Shapiro extern void	buildfname __P((char *, char *, char *, int));
238240266059SGregory Neil Shapiro extern bool	chkclientmodifiers __P((int));
238340266059SGregory Neil Shapiro extern bool	chkdaemonmodifiers __P((int));
238406f25ae9SGregory Neil Shapiro extern int	checkcompat __P((ADDRESS *, ENVELOPE *));
238506f25ae9SGregory Neil Shapiro #ifdef XDEBUG
238606f25ae9SGregory Neil Shapiro extern void	checkfd012 __P((char *));
238706f25ae9SGregory Neil Shapiro extern void	checkfdopen __P((int, char *));
238806f25ae9SGregory Neil Shapiro #endif /* XDEBUG */
238906f25ae9SGregory Neil Shapiro extern void	checkfds __P((char *));
239006f25ae9SGregory Neil Shapiro extern bool	chownsafe __P((int, bool));
239106f25ae9SGregory Neil Shapiro extern void	cleanstrcpy __P((char *, char *, int));
239240266059SGregory Neil Shapiro #if SM_CONF_SHM
239340266059SGregory Neil Shapiro extern void	cleanup_shm __P((bool));
239440266059SGregory Neil Shapiro #endif /* SM_CONF_SHM */
239506f25ae9SGregory Neil Shapiro extern void	clrdaemon __P((void));
239640266059SGregory Neil Shapiro extern void	collect __P((SM_FILE_T *, bool, HDR **, ENVELOPE *));
239706f25ae9SGregory Neil Shapiro extern time_t	convtime __P((char *, int));
239840266059SGregory Neil Shapiro extern char	**copyplist __P((char **, bool, SM_RPOOL_T *));
239906f25ae9SGregory Neil Shapiro extern void	copy_class __P((int, int));
240006f25ae9SGregory Neil Shapiro extern time_t	curtime __P((void));
240106f25ae9SGregory Neil Shapiro extern char	*defcharset __P((ENVELOPE *));
240206f25ae9SGregory Neil Shapiro extern char	*denlstring __P((char *, bool, bool));
240306f25ae9SGregory Neil Shapiro extern void	disconnect __P((int, ENVELOPE *));
240440266059SGregory Neil Shapiro #if _FFR_CONTROL_MSTAT
240540266059SGregory Neil Shapiro extern void	disk_status __P((SM_FILE_T *, char *));
240640266059SGregory Neil Shapiro #endif /* _FFR_CONTROL_MSTAT */
240740266059SGregory Neil Shapiro extern bool	dns_getcanonname __P((char *, int, bool, int *, int *));
24088774250cSGregory Neil Shapiro extern pid_t	dofork __P((void));
240906f25ae9SGregory Neil Shapiro extern int	drop_privileges __P((bool));
241006f25ae9SGregory Neil Shapiro extern int	dsntoexitstat __P((char *));
241106f25ae9SGregory Neil Shapiro extern void	dumpfd __P((int, bool, bool));
241206f25ae9SGregory Neil Shapiro extern void	dumpstate __P((char *));
241340266059SGregory Neil Shapiro extern bool	enoughdiskspace __P((long, ENVELOPE *));
241406f25ae9SGregory Neil Shapiro extern char	*exitstat __P((char *));
241540266059SGregory Neil Shapiro extern void	fatal_error __P((SM_EXC_T *));
241640266059SGregory Neil Shapiro extern char	*fgetfolded __P((char *, int, SM_FILE_T *));
241706f25ae9SGregory Neil Shapiro extern void	fill_fd __P((int, char *));
241806f25ae9SGregory Neil Shapiro extern char	*find_character __P((char *, int));
241940266059SGregory Neil Shapiro extern int	finduser __P((char *, bool *, SM_MBDB_T *));
242040266059SGregory Neil Shapiro extern void	finis __P((bool, bool, volatile int));
242106f25ae9SGregory Neil Shapiro extern void	fixcrlf __P((char *, bool));
242206f25ae9SGregory Neil Shapiro extern long	freediskspace __P((char *, long *));
24238774250cSGregory Neil Shapiro #if NETINET6 && NEEDSGETIPNODE
24248774250cSGregory Neil Shapiro extern void	freehostent __P((struct hostent *));
242540266059SGregory Neil Shapiro #endif /* NETINET6 && NEEDSGETIPNODE */
242606f25ae9SGregory Neil Shapiro extern char	*get_column __P((char *, int, int, char *, int));
242706f25ae9SGregory Neil Shapiro extern char	*getauthinfo __P((int, bool *));
242806f25ae9SGregory Neil Shapiro extern int	getdtsize __P((void));
242940266059SGregory Neil Shapiro extern int	getla __P((void));
243040266059SGregory Neil Shapiro extern char	*getmodifiers __P((char *, BITMAP256));
243106f25ae9SGregory Neil Shapiro extern BITMAP256	*getrequests __P((ENVELOPE *));
243206f25ae9SGregory Neil Shapiro extern char	*getvendor __P((int));
243306f25ae9SGregory Neil Shapiro extern void	help __P((char *, ENVELOPE *));
243406f25ae9SGregory Neil Shapiro extern void	init_md __P((int, char **));
243506f25ae9SGregory Neil Shapiro extern void	initdaemon __P((void));
243606f25ae9SGregory Neil Shapiro extern void	inithostmaps __P((void));
243706f25ae9SGregory Neil Shapiro extern void	initmacros __P((ENVELOPE *));
243806f25ae9SGregory Neil Shapiro extern void	initsetproctitle __P((int, char **, char **));
243906f25ae9SGregory Neil Shapiro extern void	init_vendor_macros __P((ENVELOPE *));
244006f25ae9SGregory Neil Shapiro extern SIGFUNC_DECL	intsig __P((int));
244106f25ae9SGregory Neil Shapiro extern bool	isloopback __P((SOCKADDR sa));
244206f25ae9SGregory Neil Shapiro extern void	load_if_names __P((void));
244306f25ae9SGregory Neil Shapiro extern bool	lockfile __P((int, char *, char *, int));
244406f25ae9SGregory Neil Shapiro extern void	log_sendmail_pid __P((ENVELOPE *));
244540266059SGregory Neil Shapiro extern void	logundelrcpts __P((ENVELOPE *, char *, int, bool));
244606f25ae9SGregory Neil Shapiro extern char	lower __P((int));
244706f25ae9SGregory Neil Shapiro extern void	makelower __P((char *));
244806f25ae9SGregory Neil Shapiro extern int	makeconnection_ds __P((char *, MCI *));
244940266059SGregory Neil Shapiro extern int	makeconnection __P((char *, volatile unsigned int, MCI *, ENVELOPE *, time_t));
245040266059SGregory Neil Shapiro extern void	makeworkgroups __P((void));
245140266059SGregory Neil Shapiro extern void	mark_work_group_restart __P((int, int));
245206f25ae9SGregory Neil Shapiro extern char *	munchstring __P((char *, char **, int));
245306f25ae9SGregory Neil Shapiro extern struct hostent	*myhostname __P((char *, int));
245406f25ae9SGregory Neil Shapiro extern char	*nisplus_default_domain __P((void));	/* extern for Sun */
245506f25ae9SGregory Neil Shapiro extern bool	path_is_dir __P((char *, bool));
245640266059SGregory Neil Shapiro extern int	pickqdir __P((QUEUEGRP *qg, long fsize, ENVELOPE *e));
245706f25ae9SGregory Neil Shapiro extern char	*pintvl __P((time_t, bool));
245806f25ae9SGregory Neil Shapiro extern void	printav __P((char **));
245906f25ae9SGregory Neil Shapiro extern void	printmailer __P((MAILER *));
246040266059SGregory Neil Shapiro extern void	printnqe __P((SM_FILE_T *, char *));
246106f25ae9SGregory Neil Shapiro extern void	printopenfds __P((bool));
246206f25ae9SGregory Neil Shapiro extern void	printqueue __P((void));
246306f25ae9SGregory Neil Shapiro extern void	printrules __P((void));
24648774250cSGregory Neil Shapiro extern pid_t	prog_open __P((char **, int *, ENVELOPE *));
246506f25ae9SGregory Neil Shapiro extern void	putline __P((char *, MCI *));
246606f25ae9SGregory Neil Shapiro extern void	putxline __P((char *, size_t, MCI *, int));
246740266059SGregory Neil Shapiro extern void	queueup_macros __P((int, SM_FILE_T *, ENVELOPE *));
246806f25ae9SGregory Neil Shapiro extern void	readcf __P((char *, bool, ENVELOPE *));
246906f25ae9SGregory Neil Shapiro extern SIGFUNC_DECL	reapchild __P((int));
247006f25ae9SGregory Neil Shapiro extern int	releasesignal __P((int));
247106f25ae9SGregory Neil Shapiro extern void	resetlimits __P((void));
247240266059SGregory Neil Shapiro extern void	restart_daemon __P((void));
247340266059SGregory Neil Shapiro extern void	restart_marked_work_groups __P(());
247406f25ae9SGregory Neil Shapiro extern bool	rfc822_string __P((char *));
247540266059SGregory Neil Shapiro extern bool	savemail __P((ENVELOPE *, bool));
247606f25ae9SGregory Neil Shapiro extern void	seed_random __P((void));
247706f25ae9SGregory Neil Shapiro extern void	sendtoargv __P((char **, ENVELOPE *));
247806f25ae9SGregory Neil Shapiro extern void	setclientoptions __P((char *));
247906f25ae9SGregory Neil Shapiro extern bool	setdaemonoptions __P((char *));
248006f25ae9SGregory Neil Shapiro extern void	setdefaults __P((ENVELOPE *));
248106f25ae9SGregory Neil Shapiro extern void	setdefuser __P((void));
248206f25ae9SGregory Neil Shapiro extern bool	setvendor __P((char *));
248340266059SGregory Neil Shapiro extern void	set_op_mode __P((int));
248406f25ae9SGregory Neil Shapiro extern void	setoption __P((int, char *, bool, bool, ENVELOPE *));
248506f25ae9SGregory Neil Shapiro extern sigfunc_t	setsignal __P((int, sigfunc_t));
248606f25ae9SGregory Neil Shapiro extern void	setuserenv __P((const char *, const char *));
248706f25ae9SGregory Neil Shapiro extern void	settime __P((ENVELOPE *));
248840266059SGregory Neil Shapiro extern char	*sfgets __P((char *, int, SM_FILE_T *, time_t, char *));
248940266059SGregory Neil Shapiro extern char	*shortenstring __P((const char *, size_t));
2490602a2b1bSGregory Neil Shapiro extern char	*shorten_hostname __P((char []));
249106f25ae9SGregory Neil Shapiro extern bool	shorten_rfc822_string __P((char *, size_t));
24928774250cSGregory Neil Shapiro extern void	shutdown_daemon __P((void));
249306f25ae9SGregory Neil Shapiro extern struct hostent	*sm_gethostbyname __P((char *, int));
249406f25ae9SGregory Neil Shapiro extern struct hostent	*sm_gethostbyaddr __P((char *, int, int));
249540266059SGregory Neil Shapiro extern void	sm_getla __P((void));
249606f25ae9SGregory Neil Shapiro extern struct passwd	*sm_getpwnam __P((char *));
249706f25ae9SGregory Neil Shapiro extern struct passwd	*sm_getpwuid __P((UID_T));
249806f25ae9SGregory Neil Shapiro extern void	sm_setproctitle __P((bool, ENVELOPE *, const char *, ...));
249940266059SGregory Neil Shapiro extern pid_t	sm_wait __P((int *));
250040266059SGregory Neil Shapiro extern bool	split_by_recipient __P((ENVELOPE *e));
25018774250cSGregory Neil Shapiro extern void	stop_sendmail __P((void));
250240266059SGregory Neil Shapiro extern char	*str2prt __P((char *));
250340266059SGregory Neil Shapiro extern bool	strcontainedin __P((bool, char *, char *));
250406f25ae9SGregory Neil Shapiro extern int	switch_map_find __P((char *, char *[], short []));
250506f25ae9SGregory Neil Shapiro extern bool	transienterror __P((int));
250640266059SGregory Neil Shapiro #if _FFR_BESTMX_BETTER_TRUNCATION || _FFR_DNSMAP_MULTI
250740266059SGregory Neil Shapiro extern void	truncate_at_delim __P((char *, size_t, int));
250840266059SGregory Neil Shapiro #endif /* _FFR_BESTMX_BETTER_TRUNCATION || _FFR_DNSMAP_MULTI */
250906f25ae9SGregory Neil Shapiro extern void	tTflag __P((char *));
251040266059SGregory Neil Shapiro extern void	tTsetup __P((unsigned char *, unsigned int, char *));
251140266059SGregory Neil Shapiro extern SIGFUNC_DECL	tick __P((int));
251206f25ae9SGregory Neil Shapiro extern char	*ttypath __P((void));
251306f25ae9SGregory Neil Shapiro extern void	unlockqueue __P((ENVELOPE *));
251406f25ae9SGregory Neil Shapiro #if !HASUNSETENV
251506f25ae9SGregory Neil Shapiro extern void	unsetenv __P((char *));
251606f25ae9SGregory Neil Shapiro #endif /* !HASUNSETENV */
251740266059SGregory Neil Shapiro 
251840266059SGregory Neil Shapiro /* update file system information: +/- some blocks */
251940266059SGregory Neil Shapiro #if SM_CONF_SHM
252040266059SGregory Neil Shapiro extern void	upd_qs __P((ENVELOPE *, bool, bool));
252140266059SGregory Neil Shapiro # define updfs(e, delete, avail) upd_qs(e, delete, avail)
252240266059SGregory Neil Shapiro #else /* SM_CONF_SHM */
252340266059SGregory Neil Shapiro # define updfs(e, delete, avail)
252440266059SGregory Neil Shapiro #endif /* SM_CONF_SHM */
252540266059SGregory Neil Shapiro 
252606f25ae9SGregory Neil Shapiro extern char	*username __P((void));
252706f25ae9SGregory Neil Shapiro extern bool	usershellok __P((char *, char *));
252806f25ae9SGregory Neil Shapiro extern void	vendor_post_defaults __P((ENVELOPE *));
252906f25ae9SGregory Neil Shapiro extern void	vendor_pre_defaults __P((ENVELOPE *));
253006f25ae9SGregory Neil Shapiro extern int	waitfor __P((pid_t));
253106f25ae9SGregory Neil Shapiro extern bool	writable __P((char *, ADDRESS *, long));
253240266059SGregory Neil Shapiro #if SM_HEAP_CHECK
253340266059SGregory Neil Shapiro # define xalloc(size)	xalloc_tagged(size, __FILE__, __LINE__)
253440266059SGregory Neil Shapiro extern char *xalloc_tagged __P((int, char*, int));
253540266059SGregory Neil Shapiro #else /* SM_HEAP_CHECK */
253606f25ae9SGregory Neil Shapiro extern char *xalloc __P((int));
253740266059SGregory Neil Shapiro #endif /* SM_HEAP_CHECK */
253806f25ae9SGregory Neil Shapiro extern void	xputs __P((const char *));
253906f25ae9SGregory Neil Shapiro extern char	*xtextify __P((char *, char *));
254006f25ae9SGregory Neil Shapiro extern bool	xtextok __P((char *));
254140266059SGregory Neil Shapiro extern int	xunlink __P((char *));
254206f25ae9SGregory Neil Shapiro extern char	*xuntextify __P((char *));
254340266059SGregory Neil Shapiro 
254440266059SGregory Neil Shapiro 
254540266059SGregory Neil Shapiro #endif /* ! _SENDMAIL_H */
2546