da7d7b9c86
MFC after: 3 days
2864 lines
106 KiB
C
2864 lines
106 KiB
C
/*
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* Copyright (c) 1998-2013 Proofpoint, Inc. and its suppliers.
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* All rights reserved.
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* Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the sendmail distribution.
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*/
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/*
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** SENDMAIL.H -- MTA-specific definitions for sendmail.
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*/
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#ifndef _SENDMAIL_H
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# define _SENDMAIL_H 1
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#ifndef MILTER
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# define MILTER 1 /* turn on MILTER by default */
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#endif /* MILTER */
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#ifdef _DEFINE
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# define EXTERN
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#else /* _DEFINE */
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# define EXTERN extern
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#endif /* _DEFINE */
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#include <unistd.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <setjmp.h>
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#include <string.h>
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#include <time.h>
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# ifdef EX_OK
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# undef EX_OK /* for SVr4.2 SMP */
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# endif /* EX_OK */
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#include "sendmail/sendmail.h"
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/* profiling? */
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#if MONCONTROL
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# define SM_PROF(x) moncontrol(x)
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#else /* MONCONTROL */
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# define SM_PROF(x)
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#endif /* MONCONTROL */
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#ifdef _DEFINE
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# ifndef lint
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SM_UNUSED(static char SmailId[]) = "@(#)$Id: sendmail.h,v 8.1104 2013-11-22 20:51:56 ca Exp $";
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# endif /* ! lint */
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#endif /* _DEFINE */
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#include "bf.h"
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#include "timers.h"
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#include <sm/exc.h>
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#include <sm/heap.h>
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#include <sm/debug.h>
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#include <sm/rpool.h>
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#include <sm/io.h>
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#include <sm/path.h>
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#include <sm/signal.h>
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#include <sm/clock.h>
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#include <sm/mbdb.h>
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#include <sm/errstring.h>
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#include <sm/sysexits.h>
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#include <sm/shm.h>
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#include <sm/misc.h>
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#ifdef LOG
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# include <syslog.h>
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#endif /* LOG */
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# if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25
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# include <sys/socket.h>
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# endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
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# if NETUNIX
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# include <sys/un.h>
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# endif /* NETUNIX */
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# if NETINET || NETINET6
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# include <netinet/in.h>
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# endif /* NETINET || NETINET6 */
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# if NETINET6
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/*
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** There is no standard yet for IPv6 includes.
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** Specify OS specific implementation in conf.h
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*/
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# endif /* NETINET6 */
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# if NETISO
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# include <netiso/iso.h>
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# endif /* NETISO */
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# if NETNS
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# include <netns/ns.h>
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# endif /* NETNS */
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# if NETX25
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# include <netccitt/x25.h>
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# endif /* NETX25 */
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# if NAMED_BIND
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# include <arpa/nameser.h>
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# ifdef NOERROR
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# undef NOERROR /* avoid <sys/streams.h> conflict */
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# endif /* NOERROR */
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# include <resolv.h>
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# else /* NAMED_BIND */
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# undef SM_SET_H_ERRNO
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# define SM_SET_H_ERRNO(err)
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# endif /* NAMED_BIND */
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# if HESIOD
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# include <hesiod.h>
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# if !defined(HES_ER_OK) || defined(HESIOD_INTERFACES)
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# define HESIOD_INIT /* support for the new interface */
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# endif /* !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) */
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# endif /* HESIOD */
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#if STARTTLS
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# include <openssl/ssl.h>
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# if !TLS_NO_RSA
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# if _FFR_FIPSMODE
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# define RSA_KEYLENGTH 1024
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# else /* _FFR_FIPSMODE */
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# define RSA_KEYLENGTH 512
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# endif /* _FFR_FIPSMODE */
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# endif /* !TLS_NO_RSA */
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#endif /* STARTTLS */
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#if SASL /* include the sasl include files if we have them */
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# if SASL == 2 || SASL >= 20000
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# include <sasl/sasl.h>
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# include <sasl/saslplug.h>
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# include <sasl/saslutil.h>
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# if SASL_VERSION_FULL < 0x020119
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typedef int (*sasl_callback_ft)(void);
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# endif /* SASL_VERSION_FULL < 0x020119 */
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# else /* SASL == 2 || SASL >= 20000 */
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# include <sasl.h>
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# include <saslutil.h>
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typedef int (*sasl_callback_ft)(void);
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# endif /* SASL == 2 || SASL >= 20000 */
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# if defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP)
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# define SASL_VERSION (SASL_VERSION_MAJOR * 10000) + (SASL_VERSION_MINOR * 100) + SASL_VERSION_STEP
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# if SASL == 1 || SASL == 2
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# undef SASL
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# define SASL SASL_VERSION
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# else /* SASL == 1 || SASL == 2 */
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# if SASL != SASL_VERSION
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ERROR README: -DSASL (SASL) does not agree with the version of the CYRUS_SASL library (SASL_VERSION)
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ERROR README: see README!
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# endif /* SASL != SASL_VERSION */
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# endif /* SASL == 1 || SASL == 2 */
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# else /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
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# if SASL == 1
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ERROR README: please set -DSASL to the version of the CYRUS_SASL library
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ERROR README: see README!
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# endif /* SASL == 1 */
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# endif /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */
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#endif /* SASL */
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/*
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** Following are "sort of" configuration constants, but they should
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** be pretty solid on most architectures today. They have to be
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** defined after <arpa/nameser.h> because some versions of that
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** file also define them. In all cases, we can't use sizeof because
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** some systems (e.g., Crays) always treat everything as being at
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** least 64 bits.
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*/
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#ifndef INADDRSZ
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# define INADDRSZ 4 /* size of an IPv4 address in bytes */
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#endif /* ! INADDRSZ */
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#ifndef IN6ADDRSZ
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# define IN6ADDRSZ 16 /* size of an IPv6 address in bytes */
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#endif /* ! IN6ADDRSZ */
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#ifndef INT16SZ
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# define INT16SZ 2 /* size of a 16 bit integer in bytes */
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#endif /* ! INT16SZ */
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#ifndef INT32SZ
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# define INT32SZ 4 /* size of a 32 bit integer in bytes */
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#endif /* ! INT32SZ */
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#ifndef INADDR_LOOPBACK
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# define INADDR_LOOPBACK 0x7f000001 /* loopback address */
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#endif /* ! INADDR_LOOPBACK */
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/*
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** Error return from inet_addr(3), in case not defined in /usr/include.
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*/
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#ifndef INADDR_NONE
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# define INADDR_NONE 0xffffffff
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#endif /* ! INADDR_NONE */
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/* By default use uncompressed IPv6 address format (no "::") */
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#ifndef IPV6_FULL
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# define IPV6_FULL 1
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#endif
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/* (f)open() modes for queue files */
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#define QF_O_EXTRA 0
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#if _FFR_PROXY || _FFR_LOGREPLY
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# define _FFR_ERRCODE 1
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#endif
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#define SM_ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
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/*
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** An 'argument class' describes the storage allocation status
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** of an object pointed to by an argument to a function.
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*/
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typedef enum
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{
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A_HEAP, /* the storage was allocated by malloc, and the
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* ownership of the storage is ceded by the caller
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* to the called function. */
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A_TEMP, /* The storage is temporary, and is only guaranteed
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* to be valid for the duration of the function call. */
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A_PERM /* The storage is 'permanent': this might mean static
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* storage, or rpool storage. */
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} ARGCLASS_T;
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/* forward references for prototypes */
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typedef struct envelope ENVELOPE;
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typedef struct mailer MAILER;
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typedef struct queuegrp QUEUEGRP;
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/*
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** Address structure.
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** Addresses are stored internally in this structure.
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*/
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struct address
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{
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char *q_paddr; /* the printname for the address */
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char *q_user; /* user name */
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char *q_ruser; /* real user name, or NULL if q_user */
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char *q_host; /* host name */
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struct mailer *q_mailer; /* mailer to use */
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unsigned long q_flags; /* status flags, see below */
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uid_t q_uid; /* user-id of receiver (if known) */
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gid_t q_gid; /* group-id of receiver (if known) */
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char *q_home; /* home dir (local mailer only) */
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char *q_fullname; /* full name if known */
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struct address *q_next; /* chain */
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struct address *q_alias; /* address this results from */
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char *q_owner; /* owner of q_alias */
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struct address *q_tchain; /* temporary use chain */
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#if PIPELINING
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struct address *q_pchain; /* chain for pipelining */
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#endif /* PIPELINING */
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char *q_finalrcpt; /* Final-Recipient: DSN header */
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char *q_orcpt; /* ORCPT parameter from RCPT TO: line */
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char *q_status; /* status code for DSNs */
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char *q_rstatus; /* remote status message for DSNs */
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time_t q_statdate; /* date of status messages */
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char *q_statmta; /* MTA generating q_rstatus */
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short q_state; /* address state, see below */
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char *q_signature; /* MX-based sorting value */
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int q_qgrp; /* index into queue groups */
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int q_qdir; /* queue directory inside group */
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char *q_message; /* error message */
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};
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typedef struct address ADDRESS;
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/* bit values for q_flags */
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#define QGOODUID 0x00000001 /* the q_uid q_gid fields are good */
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#define QPRIMARY 0x00000002 /* set from RCPT or argv */
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#define QNOTREMOTE 0x00000004 /* address not for remote forwarding */
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#define QSELFREF 0x00000008 /* this address references itself */
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#define QBOGUSSHELL 0x00000010 /* user has no valid shell listed */
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#define QUNSAFEADDR 0x00000020 /* address acquired via unsafe path */
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#define QPINGONSUCCESS 0x00000040 /* give return on successful delivery */
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#define QPINGONFAILURE 0x00000080 /* give return on failure */
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#define QPINGONDELAY 0x00000100 /* give return on message delay */
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#define QHASNOTIFY 0x00000200 /* propagate notify parameter */
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#define QRELAYED 0x00000400 /* DSN: relayed to non-DSN aware sys */
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#define QEXPANDED 0x00000800 /* DSN: undergone list expansion */
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#define QDELIVERED 0x00001000 /* DSN: successful final delivery */
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#define QDELAYED 0x00002000 /* DSN: message delayed */
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#define QALIAS 0x00004000 /* expanded alias */
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#define QBYTRACE 0x00008000 /* DeliverBy: trace */
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#define QBYNDELAY 0x00010000 /* DeliverBy: notify, delay */
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#define QBYNRELAY 0x00020000 /* DeliverBy: notify, relayed */
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#define QINTBCC 0x00040000 /* internal Bcc */
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#define QDYNMAILER 0x00080000 /* "dynamic mailer" */
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#define QTHISPASS 0x40000000 /* temp: address set this pass */
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#define QRCPTOK 0x80000000 /* recipient() processed address */
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#define QDYNMAILFLG 'Y'
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#define Q_PINGFLAGS (QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY)
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#if _FFR_RCPTFLAGS
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# define QMATCHFLAGS (QINTBCC|QDYNMAILER)
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# define QMATCH_FLAG(a) ((a)->q_flags & QMATCHFLAGS)
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# define ADDR_FLAGS_MATCH(a, b) (QMATCH_FLAG(a) == QMATCH_FLAG(b))
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#else
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# define ADDR_FLAGS_MATCH(a, b) true
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#endif
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/* values for q_state */
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#define QS_OK 0 /* address ok (for now)/not yet tried */
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#define QS_SENT 1 /* good address, delivery complete */
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#define QS_BADADDR 2 /* illegal address */
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#define QS_QUEUEUP 3 /* save address in queue */
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#define QS_RETRY 4 /* retry delivery for next MX */
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#define QS_VERIFIED 5 /* verified, but not expanded */
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/*
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** Notice: all of the following values are variations of QS_DONTSEND.
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** If new states are added, they must be inserted in the proper place!
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** See the macro definition of QS_IS_DEAD() down below.
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*/
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#define QS_DONTSEND 6 /* don't send to this address */
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#define QS_EXPANDED 7 /* expanded */
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#define QS_SENDER 8 /* message sender (MeToo) */
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#define QS_CLONED 9 /* addr cloned to split envelope */
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#define QS_DISCARDED 10 /* rcpt discarded (EF_DISCARD) */
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#define QS_REPLACED 11 /* maplocaluser()/UserDB replaced */
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#define QS_REMOVED 12 /* removed (removefromlist()) */
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#define QS_DUPLICATE 13 /* duplicate suppressed */
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#define QS_INCLUDED 14 /* :include: delivery */
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#define QS_FATALERR 15 /* fatal error, don't deliver */
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/* address state testing primitives */
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#define QS_IS_OK(s) ((s) == QS_OK)
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#define QS_IS_SENT(s) ((s) == QS_SENT)
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#define QS_IS_BADADDR(s) ((s) == QS_BADADDR)
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#define QS_IS_QUEUEUP(s) ((s) == QS_QUEUEUP)
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#define QS_IS_RETRY(s) ((s) == QS_RETRY)
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#define QS_IS_VERIFIED(s) ((s) == QS_VERIFIED)
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#define QS_IS_EXPANDED(s) ((s) == QS_EXPANDED)
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#define QS_IS_REMOVED(s) ((s) == QS_REMOVED)
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#define QS_IS_UNDELIVERED(s) ((s) == QS_OK || \
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(s) == QS_QUEUEUP || \
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(s) == QS_RETRY || \
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(s) == QS_VERIFIED)
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#define QS_IS_UNMARKED(s) ((s) == QS_OK || \
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(s) == QS_RETRY)
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#define QS_IS_SENDABLE(s) ((s) == QS_OK || \
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(s) == QS_QUEUEUP || \
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(s) == QS_RETRY)
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#define QS_IS_ATTEMPTED(s) ((s) == QS_QUEUEUP || \
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(s) == QS_RETRY || \
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(s) == QS_SENT || \
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(s) == QS_DISCARDED)
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#define QS_IS_DEAD(s) ((s) >= QS_DONTSEND)
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#define QS_IS_TEMPFAIL(s) ((s) == QS_QUEUEUP || (s) == QS_RETRY)
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#define NULLADDR ((ADDRESS *) NULL)
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extern ADDRESS NullAddress; /* a null (template) address [main.c] */
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/* for cataddr() */
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#define NOSPACESEP 256
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/* functions */
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extern void cataddr __P((char **, char **, char *, int, int, bool));
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extern char *crackaddr __P((char *, ENVELOPE *));
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extern bool emptyaddr __P((ADDRESS *));
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extern ADDRESS *getctladdr __P((ADDRESS *));
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extern int include __P((char *, bool, ADDRESS *, ADDRESS **, int, ENVELOPE *));
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extern bool invalidaddr __P((char *, char *, bool));
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extern ADDRESS *parseaddr __P((char *, ADDRESS *, int, int, char **,
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ENVELOPE *, bool));
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extern char **prescan __P((char *, int, char[], int, char **, unsigned char *, bool));
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extern void printaddr __P((SM_FILE_T *, ADDRESS *, bool));
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extern ADDRESS *recipient __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
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extern char *remotename __P((char *, MAILER *, int, int *, ENVELOPE *));
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extern int rewrite __P((char **, int, int, ENVELOPE *, int));
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extern bool sameaddr __P((ADDRESS *, ADDRESS *));
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extern int sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *));
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#if MILTER
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extern int removefromlist __P((char *, ADDRESS **, ENVELOPE *));
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#endif /* MILTER */
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extern void setsender __P((char *, ENVELOPE *, char **, int, bool));
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typedef void esmtp_args_F __P((ADDRESS *, char *, char *, ENVELOPE *));
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extern void parse_esmtp_args __P((ENVELOPE *, ADDRESS *, char *, char *,
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char *, char *args[], esmtp_args_F));
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extern esmtp_args_F mail_esmtp_args;
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extern esmtp_args_F rcpt_esmtp_args;
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extern void reset_mail_esmtp_args __P((ENVELOPE *));
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/* macro to simplify the common call to rewrite() */
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#define REWRITE(pvp, rs, env) rewrite(pvp, rs, 0, env, MAXATOM)
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/*
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** Token Tables for prescan
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*/
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extern unsigned char ExtTokenTab[256]; /* external strings */
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extern unsigned char IntTokenTab[256]; /* internal strings */
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/*
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** Mailer definition structure.
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** Every mailer known to the system is declared in this
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** structure. It defines the pathname of the mailer, some
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** flags associated with it, and the argument vector to
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** pass to it. The flags are defined in conf.c
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**
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** The argument vector is expanded before actual use. All
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** words except the first are passed through the macro
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** processor.
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*/
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struct mailer
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{
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char *m_name; /* symbolic name of this mailer */
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char *m_mailer; /* pathname of the mailer to use */
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char *m_mtatype; /* type of this MTA */
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char *m_addrtype; /* type for addresses */
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char *m_diagtype; /* type for diagnostics */
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BITMAP256 m_flags; /* status flags, see below */
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short m_mno; /* mailer number internally */
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short m_nice; /* niceness to run at (mostly for prog) */
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char **m_argv; /* template argument vector */
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short m_sh_rwset; /* rewrite set: sender header addresses */
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short m_se_rwset; /* rewrite set: sender envelope addresses */
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short m_rh_rwset; /* rewrite set: recipient header addresses */
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short m_re_rwset; /* rewrite set: recipient envelope addresses */
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char *m_eol; /* end of line string */
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long m_maxsize; /* size limit on message to this mailer */
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int m_linelimit; /* max # characters per line */
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int m_maxdeliveries; /* max deliveries per mailer connection */
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char *m_execdir; /* directory to chdir to before execv */
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char *m_rootdir; /* directory to chroot to before execv */
|
|
uid_t m_uid; /* UID to run as */
|
|
gid_t m_gid; /* GID to run as */
|
|
char *m_defcharset; /* default character set */
|
|
time_t m_wait; /* timeout to wait for end */
|
|
int m_maxrcpt; /* max recipients per envelope client-side */
|
|
short m_qgrp; /* queue group for this mailer */
|
|
};
|
|
|
|
/* bits for m_flags */
|
|
#define M_xSMTP 0x01 /* internal: {ES,S,L}MTP */
|
|
#define M_ESMTP 'a' /* run Extended SMTP */
|
|
#define M_ALIASABLE 'A' /* user can be LHS of an alias */
|
|
#define M_BLANKEND 'b' /* ensure blank line at end of message */
|
|
#define M_STRIPBACKSL 'B' /* strip all leading backslashes from user */
|
|
#define M_NOCOMMENT 'c' /* don't include comment part of address */
|
|
#define M_CANONICAL 'C' /* make addresses canonical "u@dom" */
|
|
#define M_NOBRACKET 'd' /* never angle bracket envelope route-addrs */
|
|
/* 'D' CF: include Date: */
|
|
#define M_EXPENSIVE 'e' /* it costs to use this mailer.... */
|
|
#define M_ESCFROM 'E' /* escape From lines to >From */
|
|
#define M_FOPT 'f' /* mailer takes picky -f flag */
|
|
/* 'F' CF: include From: or Resent-From: */
|
|
#define M_NO_NULL_FROM 'g' /* sender of errors should be $g */
|
|
#define M_HST_UPPER 'h' /* preserve host case distinction */
|
|
#define M_PREHEAD 'H' /* MAIL11V3: preview headers */
|
|
#define M_UDBENVELOPE 'i' /* do udbsender rewriting on envelope */
|
|
#define M_INTERNAL 'I' /* SMTP to another sendmail site */
|
|
#define M_UDBRECIPIENT 'j' /* do udbsender rewriting on recipient lines */
|
|
#define M_NOLOOPCHECK 'k' /* don't check for loops in HELO command */
|
|
#define M_CHUNKING 'K' /* CHUNKING: reserved for future use */
|
|
#define M_LOCALMAILER 'l' /* delivery is to this host */
|
|
#define M_LIMITS 'L' /* must enforce SMTP line limits */
|
|
#define M_MUSER 'm' /* can handle multiple users at once */
|
|
/* 'M' CF: include Message-Id: */
|
|
#define M_NHDR 'n' /* don't insert From line */
|
|
#define M_MANYSTATUS 'N' /* MAIL11V3: DATA returns multi-status */
|
|
#define M_RUNASRCPT 'o' /* always run mailer as recipient */
|
|
/* 'O' free? */
|
|
#define M_FROMPATH 'p' /* use reverse-path in MAIL FROM: */
|
|
/* 'P' CF: include Return-Path: */
|
|
#define M_VRFY250 'q' /* VRFY command returns 250 instead of 252 */
|
|
#define M_ROPT 'r' /* mailer takes picky -r flag */
|
|
#define M_SECURE_PORT 'R' /* try to send on a reserved TCP port */
|
|
#define M_STRIPQ 's' /* strip quote chars from user/host */
|
|
#define M_SPECIFIC_UID 'S' /* run as specific uid/gid */
|
|
#define M_USR_UPPER 'u' /* preserve user case distinction */
|
|
#define M_UGLYUUCP 'U' /* this wants an ugly UUCP from line */
|
|
#define M_CONTENT_LEN 'v' /* add Content-Length: header (SVr4) */
|
|
/* 'V' UIUC: !-relativize all addresses */
|
|
#define M_HASPWENT 'w' /* check for /etc/passwd entry */
|
|
#define M_NOHOSTSTAT 'W' /* ignore long term host status information */
|
|
/* 'x' CF: include Full-Name: */
|
|
#define M_XDOT 'X' /* use hidden-dot algorithm */
|
|
/* 'y' free? */
|
|
/* 'Y' free? */
|
|
#define M_LMTP 'z' /* run Local Mail Transport Protocol */
|
|
#define M_DIALDELAY 'Z' /* apply dial delay sleeptime */
|
|
#define M_NOMX '0' /* turn off MX lookups */
|
|
#define M_NONULLS '1' /* don't send null bytes */
|
|
#define M_FSMTP '2' /* force SMTP (no ESMTP even if offered) */
|
|
/* '4' free? */
|
|
#define M_EBCDIC '3' /* extend Q-P encoding for EBCDIC */
|
|
#define M_TRYRULESET5 '5' /* use ruleset 5 after local aliasing */
|
|
#define M_7BITHDRS '6' /* strip headers to 7 bits even in 8 bit path */
|
|
#define M_7BITS '7' /* use 7-bit path */
|
|
#define M_8BITS '8' /* force "just send 8" behaviour */
|
|
#define M_MAKE8BIT '9' /* convert 7 -> 8 bit if appropriate */
|
|
#define M_CHECKINCLUDE ':' /* check for :include: files */
|
|
#define M_CHECKPROG '|' /* check for |program addresses */
|
|
#define M_CHECKFILE '/' /* check for /file addresses */
|
|
#define M_CHECKUDB '@' /* user can be user database key */
|
|
#define M_CHECKHDIR '~' /* SGI: check for valid home directory */
|
|
#define M_HOLD '%' /* Hold delivery until ETRN/-qI/-qR/-qS */
|
|
#define M_PLUS '+' /* Reserved: Used in mc for adding new flags */
|
|
#define M_MINUS '-' /* Reserved: Used in mc for removing flags */
|
|
#define M_NOMHHACK '!' /* Don't perform HM hack dropping explicit from */
|
|
|
|
/* functions */
|
|
extern void initerrmailers __P((void));
|
|
extern void makemailer __P((char *));
|
|
extern void makequeue __P((char *, bool));
|
|
extern void runqueueevent __P((int));
|
|
#if _FFR_QUEUE_RUN_PARANOIA
|
|
extern bool checkqueuerunner __P((void));
|
|
#endif /* _FFR_QUEUE_RUN_PARANOIA */
|
|
|
|
EXTERN MAILER *FileMailer; /* ptr to *file* mailer */
|
|
EXTERN MAILER *InclMailer; /* ptr to *include* mailer */
|
|
EXTERN MAILER *LocalMailer; /* ptr to local mailer */
|
|
EXTERN MAILER *ProgMailer; /* ptr to program mailer */
|
|
#if _FFR_RCPTFLAGS
|
|
EXTERN MAILER *Mailer[MAXMAILERS * 2 + 1];
|
|
#else
|
|
EXTERN MAILER *Mailer[MAXMAILERS + 1];
|
|
#endif
|
|
|
|
/*
|
|
** Queue group definition structure.
|
|
** Every queue group known to the system is declared in this structure.
|
|
** It defines the basic pathname of the queue group, some flags
|
|
** associated with it, and the argument vector to pass to it.
|
|
*/
|
|
|
|
struct qpaths_s
|
|
{
|
|
char *qp_name; /* name of queue dir, relative path */
|
|
short qp_subdirs; /* use subdirs? */
|
|
short qp_fsysidx; /* file system index of this directory */
|
|
# if SM_CONF_SHM
|
|
int qp_idx; /* index into array for queue information */
|
|
# endif /* SM_CONF_SHM */
|
|
};
|
|
|
|
typedef struct qpaths_s QPATHS;
|
|
|
|
struct queuegrp
|
|
{
|
|
char *qg_name; /* symbolic name of this queue group */
|
|
|
|
/*
|
|
** For now this is the same across all queue groups.
|
|
** Otherwise we have to play around with chdir().
|
|
*/
|
|
|
|
char *qg_qdir; /* common component of queue directory */
|
|
short qg_index; /* queue number internally, index in Queue[] */
|
|
int qg_maxqrun; /* max # of jobs in 1 queuerun */
|
|
int qg_numqueues; /* number of queues in this queue */
|
|
|
|
/*
|
|
** qg_queueintvl == 0 denotes that no individual value is used.
|
|
** Whatever accesses this must deal with "<= 0" as
|
|
** "not set, use appropriate default".
|
|
*/
|
|
|
|
time_t qg_queueintvl; /* interval for queue runs */
|
|
QPATHS *qg_qpaths; /* list of queue directories */
|
|
BITMAP256 qg_flags; /* status flags, see below */
|
|
short qg_nice; /* niceness for queue run */
|
|
int qg_wgrp; /* Assigned to this work group */
|
|
int qg_maxlist; /* max items in work queue for this group */
|
|
int qg_curnum; /* current number of queue for queue runs */
|
|
int qg_maxrcpt; /* max recipients per envelope, 0==no limit */
|
|
|
|
time_t qg_nextrun; /* time for next queue runs */
|
|
#if _FFR_QUEUE_GROUP_SORTORDER
|
|
short qg_sortorder; /* how do we sort this queuerun */
|
|
#endif /* _FFR_QUEUE_GROUP_SORTORDER */
|
|
#if 0
|
|
long qg_wkrcptfact; /* multiplier for # recipients -> priority */
|
|
long qg_qfactor; /* slope of queue function */
|
|
bool qg_doqueuerun; /* XXX flag is it time to do a queuerun */
|
|
#endif /* 0 */
|
|
};
|
|
|
|
/* bits for qg_flags (XXX: unused as of now) */
|
|
#define QD_DEFINED ((char) 1) /* queue group has been defined */
|
|
#define QD_FORK 'f' /* fork queue runs */
|
|
|
|
extern void filesys_update __P((void));
|
|
#if _FFR_ANY_FREE_FS
|
|
extern bool filesys_free __P((long));
|
|
#endif /* _FFR_ANY_FREE_FS */
|
|
|
|
#if SASL
|
|
/*
|
|
** SASL
|
|
*/
|
|
|
|
/* lines in authinfo file or index into SASL_AI_T */
|
|
# define SASL_WRONG (-1)
|
|
# define SASL_USER 0 /* authorization id (user) */
|
|
# define SASL_AUTHID 1 /* authentication id */
|
|
# define SASL_PASSWORD 2 /* password fuer authid */
|
|
# define SASL_DEFREALM 3 /* realm to use */
|
|
# define SASL_MECHLIST 4 /* list of mechanisms to try */
|
|
# define SASL_ID_REALM 5 /* authid@defrealm */
|
|
|
|
/*
|
|
** Current mechanism; this is just used to convey information between
|
|
** invocation of SASL callback functions.
|
|
** It must be last in the list, because it's not allocated by us
|
|
** and hence we don't free() it.
|
|
*/
|
|
# define SASL_MECH 6
|
|
# define SASL_ENTRIES 7 /* number of entries in array */
|
|
|
|
# define SASL_USER_BIT (1 << SASL_USER)
|
|
# define SASL_AUTHID_BIT (1 << SASL_AUTHID)
|
|
# define SASL_PASSWORD_BIT (1 << SASL_PASSWORD)
|
|
# define SASL_DEFREALM_BIT (1 << SASL_DEFREALM)
|
|
# define SASL_MECHLIST_BIT (1 << SASL_MECHLIST)
|
|
|
|
/* authenticated? */
|
|
# define SASL_NOT_AUTH 0 /* not authenticated */
|
|
# define SASL_PROC_AUTH 1 /* in process of authenticating */
|
|
# define SASL_IS_AUTH 2 /* authenticated */
|
|
|
|
/* SASL options */
|
|
# define SASL_AUTH_AUTH 0x1000 /* use auth= only if authenticated */
|
|
# if SASL >= 20101
|
|
# define SASL_SEC_MASK SASL_SEC_MAXIMUM /* mask for SASL_SEC_* values: sasl.h */
|
|
# else /* SASL >= 20101 */
|
|
# define SASL_SEC_MASK 0x0fff /* mask for SASL_SEC_* values: sasl.h */
|
|
# if (SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 || \
|
|
(SASL_SEC_NOACTIVE & SASL_SEC_MASK) == 0 || \
|
|
(SASL_SEC_NODICTIONARY & SASL_SEC_MASK) == 0 || \
|
|
(SASL_SEC_FORWARD_SECRECY & SASL_SEC_MASK) == 0 || \
|
|
(SASL_SEC_NOANONYMOUS & SASL_SEC_MASK) == 0 || \
|
|
(SASL_SEC_PASS_CREDENTIALS & SASL_SEC_MASK) == 0
|
|
ERROR: change SASL_SEC_MASK_ notify sendmail.org!
|
|
# endif /* SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 ... */
|
|
# endif /* SASL >= 20101 */
|
|
# define MAXOUTLEN 8192 /* length of output buffer, should be 2^n */
|
|
|
|
/* functions */
|
|
extern char *intersect __P((char *, char *, SM_RPOOL_T *));
|
|
extern char *iteminlist __P((char *, char *, char *));
|
|
# if SASL >= 20000
|
|
extern int proxy_policy __P((sasl_conn_t *, void *, const char *, unsigned, const char *, unsigned, const char *, unsigned, struct propctx *));
|
|
extern int safesaslfile __P((void *, const char *, sasl_verify_type_t));
|
|
# else /* SASL >= 20000 */
|
|
extern int proxy_policy __P((void *, const char *, const char *, const char **, const char **));
|
|
# if SASL > 10515
|
|
extern int safesaslfile __P((void *, char *, int));
|
|
# else /* SASL > 10515 */
|
|
extern int safesaslfile __P((void *, char *));
|
|
# endif /* SASL > 10515 */
|
|
# endif /* SASL >= 20000 */
|
|
extern void stop_sasl_client __P((void));
|
|
|
|
/* structure to store authinfo */
|
|
typedef char *SASL_AI_T[SASL_ENTRIES];
|
|
|
|
EXTERN char *AuthMechanisms; /* AUTH mechanisms */
|
|
EXTERN char *AuthRealm; /* AUTH realm */
|
|
EXTERN char *SASLInfo; /* file with AUTH info */
|
|
EXTERN int SASLOpts; /* options for SASL */
|
|
EXTERN int MaxSLBits; /* max. encryption bits for SASL */
|
|
#endif /* SASL */
|
|
|
|
/*
|
|
** Structure to store macros.
|
|
*/
|
|
typedef struct
|
|
{
|
|
SM_RPOOL_T *mac_rpool; /* resource pool */
|
|
BITMAP256 mac_allocated; /* storage has been alloc()? */
|
|
char *mac_table[MAXMACROID + 1]; /* macros */
|
|
} MACROS_T;
|
|
|
|
EXTERN MACROS_T GlobalMacros;
|
|
|
|
/*
|
|
** Information about currently open connections to mailers, or to
|
|
** hosts that we have looked up recently.
|
|
*/
|
|
|
|
#define MCI struct mailer_con_info
|
|
|
|
MCI
|
|
{
|
|
unsigned long mci_flags; /* flag bits, see below */
|
|
short mci_errno; /* error number on last connection */
|
|
short mci_herrno; /* h_errno from last DNS lookup */
|
|
short mci_exitstat; /* exit status from last connection */
|
|
short mci_state; /* SMTP state */
|
|
int mci_deliveries; /* delivery attempts for connection */
|
|
long mci_maxsize; /* max size this server will accept */
|
|
SM_FILE_T *mci_in; /* input side of connection */
|
|
SM_FILE_T *mci_out; /* output side of connection */
|
|
pid_t mci_pid; /* process id of subordinate proc */
|
|
char *mci_phase; /* SMTP phase string */
|
|
struct mailer *mci_mailer; /* ptr to the mailer for this conn */
|
|
char *mci_host; /* host name */
|
|
char *mci_status; /* DSN status to be copied to addrs */
|
|
char *mci_rstatus; /* SMTP status to be copied to addrs */
|
|
time_t mci_lastuse; /* last usage time */
|
|
SM_FILE_T *mci_statfile; /* long term status file */
|
|
char *mci_heloname; /* name to use as HELO arg */
|
|
long mci_min_by; /* minimum DELIVERBY */
|
|
bool mci_retryrcpt; /* tempfail for at least one rcpt */
|
|
char *mci_tolist; /* list of valid recipients */
|
|
SM_RPOOL_T *mci_rpool; /* resource pool */
|
|
#if PIPELINING
|
|
int mci_okrcpts; /* number of valid recipients */
|
|
ADDRESS *mci_nextaddr; /* next address for pipelined status */
|
|
#endif /* PIPELINING */
|
|
#if SASL
|
|
SASL_AI_T mci_sai; /* authentication info */
|
|
bool mci_sasl_auth; /* authenticated? */
|
|
int mci_sasl_string_len;
|
|
char *mci_sasl_string; /* sasl reply string */
|
|
char *mci_saslcap; /* SASL list of mechanisms */
|
|
sasl_conn_t *mci_conn; /* SASL connection */
|
|
#endif /* SASL */
|
|
#if STARTTLS
|
|
SSL *mci_ssl; /* SSL connection */
|
|
#endif /* STARTTLS */
|
|
MACROS_T mci_macro; /* macro definitions */
|
|
};
|
|
|
|
|
|
/* flag bits */
|
|
#define MCIF_VALID 0x00000001 /* this entry is valid */
|
|
/* 0x00000002 unused, was MCIF_TEMP */
|
|
#define MCIF_CACHED 0x00000004 /* currently in open cache */
|
|
#define MCIF_ESMTP 0x00000008 /* this host speaks ESMTP */
|
|
#define MCIF_EXPN 0x00000010 /* EXPN command supported */
|
|
#define MCIF_SIZE 0x00000020 /* SIZE option supported */
|
|
#define MCIF_8BITMIME 0x00000040 /* BODY=8BITMIME supported */
|
|
#define MCIF_7BIT 0x00000080 /* strip this message to 7 bits */
|
|
/* 0x00000100 unused, was MCIF_MULTSTAT: MAIL11V3: handles MULT status */
|
|
#define MCIF_INHEADER 0x00000200 /* currently outputing header */
|
|
#define MCIF_CVT8TO7 0x00000400 /* convert from 8 to 7 bits */
|
|
#define MCIF_DSN 0x00000800 /* DSN extension supported */
|
|
#define MCIF_8BITOK 0x00001000 /* OK to send 8 bit characters */
|
|
#define MCIF_CVT7TO8 0x00002000 /* convert from 7 to 8 bits */
|
|
#define MCIF_INMIME 0x00004000 /* currently reading MIME header */
|
|
#define MCIF_AUTH 0x00008000 /* AUTH= supported */
|
|
#define MCIF_AUTHACT 0x00010000 /* SASL (AUTH) active */
|
|
#define MCIF_ENHSTAT 0x00020000 /* ENHANCEDSTATUSCODES supported */
|
|
#define MCIF_PIPELINED 0x00040000 /* PIPELINING supported */
|
|
#define MCIF_VERB 0x00080000 /* VERB supported */
|
|
#if STARTTLS
|
|
#define MCIF_TLS 0x00100000 /* STARTTLS supported */
|
|
#define MCIF_TLSACT 0x00200000 /* STARTTLS active */
|
|
#else /* STARTTLS */
|
|
#define MCIF_TLS 0
|
|
#define MCIF_TLSACT 0
|
|
#endif /* STARTTLS */
|
|
#define MCIF_DLVR_BY 0x00400000 /* DELIVERBY */
|
|
#if _FFR_IGNORE_EXT_ON_HELO
|
|
# define MCIF_HELO 0x00800000 /* we used HELO: ignore extensions */
|
|
#endif /* _FFR_IGNORE_EXT_ON_HELO */
|
|
#define MCIF_INLONGLINE 0x01000000 /* in the middle of a long line */
|
|
#define MCIF_AUTH2 0x02000000 /* got 2 AUTH lines */
|
|
#define MCIF_ONLY_EHLO 0x10000000 /* use only EHLO in smtpinit */
|
|
#if _FFR_HANDLE_HDR_RW_TEMPFAIL
|
|
/* an error is not sticky (if put{header,body}() etc fail) */
|
|
# define MCIF_NOTSTICKY 0x20000000
|
|
#else
|
|
# define MCIF_NOTSTICKY 0
|
|
#endif
|
|
|
|
#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS | MCIF_AUTH2)
|
|
|
|
/* states */
|
|
#define MCIS_CLOSED 0 /* no traffic on this connection */
|
|
#define MCIS_OPENING 1 /* sending initial protocol */
|
|
#define MCIS_OPEN 2 /* open, initial protocol sent */
|
|
#define MCIS_MAIL 3 /* MAIL command sent */
|
|
#define MCIS_RCPT 4 /* RCPT commands being sent */
|
|
#define MCIS_DATA 5 /* DATA command sent */
|
|
#define MCIS_QUITING 6 /* running quit protocol */
|
|
#define MCIS_SSD 7 /* service shutting down */
|
|
#define MCIS_ERROR 8 /* I/O error on connection */
|
|
|
|
/* functions */
|
|
extern void mci_cache __P((MCI *));
|
|
extern void mci_close __P((MCI *, char *where));
|
|
extern void mci_dump __P((SM_FILE_T *, MCI *, bool));
|
|
extern void mci_dump_all __P((SM_FILE_T *, bool));
|
|
extern void mci_flush __P((bool, MCI *));
|
|
extern void mci_clr_extensions __P((MCI *));
|
|
extern MCI *mci_get __P((char *, MAILER *));
|
|
extern int mci_lock_host __P((MCI *));
|
|
extern bool mci_match __P((char *, MAILER *));
|
|
extern int mci_print_persistent __P((char *, char *));
|
|
extern int mci_purge_persistent __P((char *, char *));
|
|
extern MCI **mci_scan __P((MCI *));
|
|
extern void mci_setstat __P((MCI *, int, char *, char *));
|
|
extern void mci_store_persistent __P((MCI *));
|
|
extern int mci_traverse_persistent __P((int (*)(char *, char *), char *));
|
|
extern void mci_unlock_host __P((MCI *));
|
|
|
|
EXTERN int MaxMciCache; /* maximum entries in MCI cache */
|
|
EXTERN time_t MciCacheTimeout; /* maximum idle time on connections */
|
|
EXTERN time_t MciInfoTimeout; /* how long 'til we retry down hosts */
|
|
|
|
/*
|
|
** Header structure.
|
|
** This structure is used internally to store header items.
|
|
*/
|
|
|
|
struct header
|
|
{
|
|
char *h_field; /* the name of the field */
|
|
char *h_value; /* the value of that field */
|
|
struct header *h_link; /* the next header */
|
|
unsigned char h_macro; /* include header if macro defined */
|
|
unsigned long h_flags; /* status bits, see below */
|
|
BITMAP256 h_mflags; /* m_flags bits needed */
|
|
};
|
|
|
|
typedef struct header HDR;
|
|
|
|
/*
|
|
** Header information structure.
|
|
** Defined in conf.c, this struct declares the header fields
|
|
** that have some magic meaning.
|
|
*/
|
|
|
|
struct hdrinfo
|
|
{
|
|
char *hi_field; /* the name of the field */
|
|
unsigned long hi_flags; /* status bits, see below */
|
|
char *hi_ruleset; /* validity check ruleset */
|
|
};
|
|
|
|
extern struct hdrinfo HdrInfo[];
|
|
|
|
/* bits for h_flags and hi_flags */
|
|
#define H_EOH 0x00000001 /* field terminates header */
|
|
#define H_RCPT 0x00000002 /* contains recipient addresses */
|
|
#define H_DEFAULT 0x00000004 /* if another value is found, drop this */
|
|
#define H_RESENT 0x00000008 /* this address is a "Resent-..." address */
|
|
#define H_CHECK 0x00000010 /* check h_mflags against m_flags */
|
|
#define H_ACHECK 0x00000020 /* ditto, but always (not just default) */
|
|
#define H_FORCE 0x00000040 /* force this field, even if default */
|
|
#define H_TRACE 0x00000080 /* this field contains trace information */
|
|
#define H_FROM 0x00000100 /* this is a from-type field */
|
|
#define H_VALID 0x00000200 /* this field has a validated value */
|
|
#define H_RECEIPTTO 0x00000400 /* field has return receipt info */
|
|
#define H_ERRORSTO 0x00000800 /* field has error address info */
|
|
#define H_CTE 0x00001000 /* field is a content-transfer-encoding */
|
|
#define H_CTYPE 0x00002000 /* this is a content-type field */
|
|
#define H_BCC 0x00004000 /* Bcc: header: strip value or delete */
|
|
#define H_ENCODABLE 0x00008000 /* field can be RFC 1522 encoded */
|
|
#define H_STRIPCOMM 0x00010000 /* header check: strip comments */
|
|
#define H_BINDLATE 0x00020000 /* only expand macros at deliver */
|
|
#define H_USER 0x00040000 /* header came from the user/SMTP */
|
|
|
|
/* bits for chompheader() */
|
|
#define CHHDR_DEF 0x0001 /* default header */
|
|
#define CHHDR_CHECK 0x0002 /* call ruleset for header */
|
|
#define CHHDR_USER 0x0004 /* header from user */
|
|
#define CHHDR_QUEUE 0x0008 /* header from queue file */
|
|
|
|
/* functions */
|
|
extern void addheader __P((char *, char *, int, ENVELOPE *, bool));
|
|
extern unsigned long chompheader __P((char *, int, HDR **, ENVELOPE *));
|
|
extern bool commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *, int));
|
|
extern HDR *copyheader __P((HDR *, SM_RPOOL_T *));
|
|
extern void eatheader __P((ENVELOPE *, bool, bool));
|
|
extern char *hvalue __P((char *, HDR *));
|
|
extern void insheader __P((int, char *, char *, int, ENVELOPE *, bool));
|
|
extern bool isheader __P((char *));
|
|
extern bool putfromline __P((MCI *, ENVELOPE *));
|
|
extern void setupheaders __P((void));
|
|
|
|
/*
|
|
** Performance monitoring
|
|
*/
|
|
|
|
#define TIMERS struct sm_timers
|
|
|
|
TIMERS
|
|
{
|
|
TIMER ti_overall; /* the whole process */
|
|
};
|
|
|
|
|
|
#define PUSHTIMER(l, t) { if (tTd(98, l)) pushtimer(&t); }
|
|
#define POPTIMER(l, t) { if (tTd(98, l)) poptimer(&t); }
|
|
|
|
/*
|
|
** Envelope structure.
|
|
** This structure defines the message itself. There is usually
|
|
** only one of these -- for the message that we originally read
|
|
** and which is our primary interest -- but other envelopes can
|
|
** be generated during processing. For example, error messages
|
|
** will have their own envelope.
|
|
*/
|
|
|
|
struct envelope
|
|
{
|
|
HDR *e_header; /* head of header list */
|
|
long e_msgpriority; /* adjusted priority of this message */
|
|
time_t e_ctime; /* time message appeared in the queue */
|
|
char *e_to; /* (list of) target person(s) */
|
|
ADDRESS e_from; /* the person it is from */
|
|
char *e_sender; /* e_from.q_paddr w comments stripped */
|
|
char **e_fromdomain; /* the domain part of the sender */
|
|
ADDRESS *e_sendqueue; /* list of message recipients */
|
|
ADDRESS *e_errorqueue; /* the queue for error responses */
|
|
|
|
/*
|
|
** Overflow detection is based on < 0, so don't change this
|
|
** to unsigned. We don't use unsigned and == ULONG_MAX because
|
|
** some libc's don't have strtoul(), see mail_esmtp_args().
|
|
*/
|
|
|
|
long e_msgsize; /* size of the message in bytes */
|
|
char *e_msgid; /* message id (for logging) */
|
|
unsigned long e_flags; /* flags, see below */
|
|
int e_nrcpts; /* number of recipients */
|
|
short e_class; /* msg class (priority, junk, etc.) */
|
|
short e_hopcount; /* number of times processed */
|
|
short e_nsent; /* number of sends since checkpoint */
|
|
short e_sendmode; /* message send mode */
|
|
short e_errormode; /* error return mode */
|
|
short e_timeoutclass; /* message timeout class */
|
|
bool (*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int));
|
|
/* function to put header of message */
|
|
bool (*e_putbody)__P((MCI *, ENVELOPE *, char *));
|
|
/* function to put body of message */
|
|
ENVELOPE *e_parent; /* the message this one encloses */
|
|
ENVELOPE *e_sibling; /* the next envelope of interest */
|
|
char *e_bodytype; /* type of message body */
|
|
SM_FILE_T *e_dfp; /* data file */
|
|
char *e_id; /* code for this entry in queue */
|
|
#if _FFR_SESSID
|
|
char *e_sessid; /* session ID for this envelope */
|
|
#endif /* _FFR_SESSID */
|
|
int e_qgrp; /* queue group (index into queues) */
|
|
int e_qdir; /* index into queue directories */
|
|
int e_dfqgrp; /* data file queue group index */
|
|
int e_dfqdir; /* data file queue directory index */
|
|
int e_xfqgrp; /* queue group (index into queues) */
|
|
int e_xfqdir; /* index into queue directories (xf) */
|
|
SM_FILE_T *e_xfp; /* transcript file */
|
|
SM_FILE_T *e_lockfp; /* the lock file for this message */
|
|
char *e_message; /* error message; readonly; NULL,
|
|
* or allocated from e_rpool */
|
|
char *e_statmsg; /* stat msg (changes per delivery).
|
|
* readonly. NULL or allocated from
|
|
* e_rpool. */
|
|
char *e_quarmsg; /* why envelope is quarantined */
|
|
char e_qfletter; /* queue file letter on disk */
|
|
char *e_msgboundary; /* MIME-style message part boundary */
|
|
char *e_origrcpt; /* original recipient (one only) */
|
|
char *e_envid; /* envelope id from MAIL FROM: line */
|
|
char *e_status; /* DSN status for this message */
|
|
time_t e_dtime; /* time of last delivery attempt */
|
|
int e_ntries; /* number of delivery attempts */
|
|
dev_t e_dfdev; /* data file device (crash recovery) */
|
|
ino_t e_dfino; /* data file inode (crash recovery) */
|
|
MACROS_T e_macro; /* macro definitions */
|
|
MCI *e_mci; /* connection info */
|
|
char *e_auth_param; /* readonly; NULL or static storage or
|
|
* allocated from e_rpool */
|
|
TIMERS e_timers; /* per job timers */
|
|
long e_deliver_by; /* deliver by */
|
|
int e_dlvr_flag; /* deliver by flag */
|
|
SM_RPOOL_T *e_rpool; /* resource pool for this envelope */
|
|
unsigned int e_features; /* server features */
|
|
#define ENHSC_LEN 11
|
|
#if _FFR_MILTER_ENHSC
|
|
char e_enhsc[ENHSC_LEN]; /* enhanced status code */
|
|
#endif /* _FFR_MILTER_ENHSC */
|
|
#if _FFR_ERRCODE
|
|
/* smtp error codes during delivery */
|
|
int e_rcode; /* reply code */
|
|
char e_renhsc[ENHSC_LEN]; /* enhanced status code */
|
|
char *e_text; /* reply text */
|
|
#endif /* _FFR_ERRCODE */
|
|
};
|
|
|
|
#define PRT_NONNEGL(v) ((v) < 0 ? LONG_MAX : (v))
|
|
|
|
/* values for e_flags */
|
|
#define EF_OLDSTYLE 0x00000001L /* use spaces (not commas) in hdrs */
|
|
#define EF_INQUEUE 0x00000002L /* this message is fully queued */
|
|
#define EF_NO_BODY_RETN 0x00000004L /* omit message body on error */
|
|
#define EF_CLRQUEUE 0x00000008L /* disk copy is no longer needed */
|
|
#define EF_SENDRECEIPT 0x00000010L /* send a return receipt */
|
|
#define EF_FATALERRS 0x00000020L /* fatal errors occurred */
|
|
#define EF_DELETE_BCC 0x00000040L /* delete Bcc: headers entirely */
|
|
#define EF_RESPONSE 0x00000080L /* this is an error or return receipt */
|
|
#define EF_RESENT 0x00000100L /* this message is being forwarded */
|
|
#define EF_VRFYONLY 0x00000200L /* verify only (don't expand aliases) */
|
|
#define EF_WARNING 0x00000400L /* warning message has been sent */
|
|
#define EF_QUEUERUN 0x00000800L /* this envelope is from queue */
|
|
#define EF_GLOBALERRS 0x00001000L /* treat errors as global */
|
|
#define EF_PM_NOTIFY 0x00002000L /* send return mail to postmaster */
|
|
#define EF_METOO 0x00004000L /* send to me too */
|
|
#define EF_LOGSENDER 0x00008000L /* need to log the sender */
|
|
#define EF_NORECEIPT 0x00010000L /* suppress all return-receipts */
|
|
#define EF_HAS8BIT 0x00020000L /* at least one 8-bit char in body */
|
|
#define EF_NL_NOT_EOL 0x00040000L /* don't accept raw NL as EOLine */
|
|
#define EF_CRLF_NOT_EOL 0x00080000L /* don't accept CR-LF as EOLine */
|
|
#define EF_RET_PARAM 0x00100000L /* RCPT command had RET argument */
|
|
#define EF_HAS_DF 0x00200000L /* set when data file is instantiated */
|
|
#define EF_IS_MIME 0x00400000L /* really is a MIME message */
|
|
#define EF_DONT_MIME 0x00800000L /* never MIME this message */
|
|
#define EF_DISCARD 0x01000000L /* discard the message */
|
|
#define EF_TOOBIG 0x02000000L /* message is too big */
|
|
#define EF_SPLIT 0x04000000L /* envelope has been split */
|
|
#define EF_UNSAFE 0x08000000L /* unsafe: read from untrusted source */
|
|
#define EF_TOODEEP 0x10000000L /* message is nested too deep */
|
|
|
|
#define DLVR_NOTIFY 0x01
|
|
#define DLVR_RETURN 0x02
|
|
#define DLVR_TRACE 0x10
|
|
#define IS_DLVR_NOTIFY(e) (((e)->e_dlvr_flag & DLVR_NOTIFY) != 0)
|
|
#define IS_DLVR_RETURN(e) (((e)->e_dlvr_flag & DLVR_RETURN) != 0)
|
|
#define IS_DLVR_TRACE(e) (((e)->e_dlvr_flag & DLVR_TRACE) != 0)
|
|
#define IS_DLVR_BY(e) ((e)->e_dlvr_flag != 0)
|
|
|
|
#define BODYTYPE_NONE (0)
|
|
#define BODYTYPE_7BIT (1)
|
|
#define BODYTYPE_8BITMIME (2)
|
|
#define BODYTYPE_ILLEGAL (-1)
|
|
#define BODYTYPE_VALID(b) ((b) == BODYTYPE_7BIT || (b) == BODYTYPE_8BITMIME)
|
|
|
|
extern ENVELOPE BlankEnvelope;
|
|
|
|
/* functions */
|
|
extern void clearenvelope __P((ENVELOPE *, bool, SM_RPOOL_T *));
|
|
extern int dropenvelope __P((ENVELOPE *, bool, bool));
|
|
extern ENVELOPE *newenvelope __P((ENVELOPE *, ENVELOPE *, SM_RPOOL_T *));
|
|
extern void clrsessenvelope __P((ENVELOPE *));
|
|
extern void printenvflags __P((ENVELOPE *));
|
|
extern bool putbody __P((MCI *, ENVELOPE *, char *));
|
|
extern bool putheader __P((MCI *, HDR *, ENVELOPE *, int));
|
|
|
|
/*
|
|
** Message priority classes.
|
|
**
|
|
** The message class is read directly from the Priority: header
|
|
** field in the message.
|
|
**
|
|
** CurEnv->e_msgpriority is the number of bytes in the message plus
|
|
** the creation time (so that jobs ``tend'' to be ordered correctly),
|
|
** adjusted by the message class, the number of recipients, and the
|
|
** amount of time the message has been sitting around. This number
|
|
** is used to order the queue. Higher values mean LOWER priority.
|
|
**
|
|
** Each priority class point is worth WkClassFact priority points;
|
|
** each recipient is worth WkRecipFact priority points. Each time
|
|
** we reprocess a message the priority is adjusted by WkTimeFact.
|
|
** WkTimeFact should normally decrease the priority so that jobs
|
|
** that have historically failed will be run later; thanks go to
|
|
** Jay Lepreau at Utah for pointing out the error in my thinking.
|
|
**
|
|
** The "class" is this number, unadjusted by the age or size of
|
|
** this message. Classes with negative representations will have
|
|
** error messages thrown away if they are not local.
|
|
*/
|
|
|
|
struct priority
|
|
{
|
|
char *pri_name; /* external name of priority */
|
|
int pri_val; /* internal value for same */
|
|
};
|
|
|
|
EXTERN int NumPriorities; /* pointer into Priorities */
|
|
EXTERN struct priority Priorities[MAXPRIORITIES];
|
|
|
|
/*
|
|
** Rewrite rules.
|
|
*/
|
|
|
|
struct rewrite
|
|
{
|
|
char **r_lhs; /* pattern match */
|
|
char **r_rhs; /* substitution value */
|
|
struct rewrite *r_next;/* next in chain */
|
|
int r_line; /* rule line in sendmail.cf */
|
|
};
|
|
|
|
/*
|
|
** Special characters in rewriting rules.
|
|
** These are used internally only.
|
|
** The COND* rules are actually used in macros rather than in
|
|
** rewriting rules, but are given here because they
|
|
** cannot conflict.
|
|
*/
|
|
|
|
/* "out of band" indicator */
|
|
/* sm/sendmail.h #define METAQUOTE ((unsigned char)0377) quotes the next octet */
|
|
|
|
/* left hand side items */
|
|
#define MATCHZANY ((unsigned char)0220) /* match zero or more tokens */
|
|
#define MATCHANY ((unsigned char)0221) /* match one or more tokens */
|
|
#define MATCHONE ((unsigned char)0222) /* match exactly one token */
|
|
#define MATCHCLASS ((unsigned char)0223) /* match one token in a class */
|
|
#define MATCHNCLASS ((unsigned char)0224) /* match tokens not in class */
|
|
|
|
/* right hand side items */
|
|
#define MATCHREPL ((unsigned char)0225) /* RHS replacement for above */
|
|
#define CANONNET ((unsigned char)0226) /* canonical net, next token */
|
|
#define CANONHOST ((unsigned char)0227) /* canonical host, next token */
|
|
#define CANONUSER ((unsigned char)0230) /* canonical user, next N tokens */
|
|
#define CALLSUBR ((unsigned char)0231) /* call another rewriting set */
|
|
|
|
/* conditionals in macros (anywhere) */
|
|
#define CONDIF ((unsigned char)0232) /* conditional if-then */
|
|
#define CONDELSE ((unsigned char)0233) /* conditional else */
|
|
#define CONDFI ((unsigned char)0234) /* conditional fi */
|
|
|
|
/* bracket characters for RHS host name lookup */
|
|
#define HOSTBEGIN ((unsigned char)0235) /* hostname lookup begin */
|
|
#define HOSTEND ((unsigned char)0236) /* hostname lookup end */
|
|
|
|
/* bracket characters for RHS generalized lookup */
|
|
#define LOOKUPBEGIN ((unsigned char)0205) /* generalized lookup begin */
|
|
#define LOOKUPEND ((unsigned char)0206) /* generalized lookup end */
|
|
|
|
/* macro substitution characters (anywhere) */
|
|
#define MACROEXPAND ((unsigned char)0201) /* macro expansion */
|
|
#define MACRODEXPAND ((unsigned char)0202) /* deferred macro expansion */
|
|
|
|
/* to make the code clearer */
|
|
#define MATCHZERO CANONHOST
|
|
|
|
#define MAXMATCH 9 /* max params per rewrite */
|
|
#define MAX_MAP_ARGS 10 /* max arguments for map */
|
|
|
|
/* external <==> internal mapping table */
|
|
struct metamac
|
|
{
|
|
char metaname; /* external code (after $) */
|
|
unsigned char metaval; /* internal code (as above) */
|
|
};
|
|
|
|
/* values for macros with external names only */
|
|
#define MID_OPMODE 0202 /* operation mode */
|
|
|
|
/* functions */
|
|
#if SM_HEAP_CHECK
|
|
extern void
|
|
macdefine_tagged __P((
|
|
MACROS_T *_mac,
|
|
ARGCLASS_T _vclass,
|
|
int _id,
|
|
char *_value,
|
|
char *_file,
|
|
int _line,
|
|
int _group));
|
|
# define macdefine(mac,c,id,v) \
|
|
macdefine_tagged(mac,c,id,v,__FILE__,__LINE__,sm_heap_group())
|
|
#else /* SM_HEAP_CHECK */
|
|
extern void
|
|
macdefine __P((
|
|
MACROS_T *_mac,
|
|
ARGCLASS_T _vclass,
|
|
int _id,
|
|
char *_value));
|
|
# define macdefine_tagged(mac,c,id,v,file,line,grp) macdefine(mac,c,id,v)
|
|
#endif /* SM_HEAP_CHECK */
|
|
extern void macset __P((MACROS_T *, int, char *));
|
|
#define macget(mac, i) (mac)->mac_table[i]
|
|
extern void expand __P((char *, char *, size_t, ENVELOPE *));
|
|
extern int macid_parse __P((char *, char **));
|
|
#define macid(name) macid_parse(name, NULL)
|
|
extern char *macname __P((int));
|
|
extern char *macvalue __P((int, ENVELOPE *));
|
|
extern int rscheck __P((char *, char *, char *, ENVELOPE *, int, int, char *, char *, ADDRESS *, char **));
|
|
extern int rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int));
|
|
extern void setclass __P((int, char *));
|
|
extern int strtorwset __P((char *, char **, int));
|
|
extern char *translate_dollars __P((char *, char *, int *));
|
|
extern bool wordinclass __P((char *, int));
|
|
|
|
/*
|
|
** Name canonification short circuit.
|
|
**
|
|
** If the name server for a host is down, the process of trying to
|
|
** canonify the name can hang. This is similar to (but alas, not
|
|
** identical to) looking up the name for delivery. This stab type
|
|
** caches the result of the name server lookup so we don't hang
|
|
** multiple times.
|
|
*/
|
|
|
|
#define NAMECANON struct _namecanon
|
|
|
|
NAMECANON
|
|
{
|
|
short nc_errno; /* cached errno */
|
|
short nc_herrno; /* cached h_errno */
|
|
short nc_stat; /* cached exit status code */
|
|
short nc_flags; /* flag bits */
|
|
char *nc_cname; /* the canonical name */
|
|
time_t nc_exp; /* entry expires at */
|
|
};
|
|
|
|
/* values for nc_flags */
|
|
#define NCF_VALID 0x0001 /* entry valid */
|
|
|
|
/* hostsignature structure */
|
|
|
|
struct hostsig_t
|
|
{
|
|
char *hs_sig; /* hostsignature */
|
|
time_t hs_exp; /* entry expires at */
|
|
};
|
|
|
|
typedef struct hostsig_t HOSTSIG_T;
|
|
|
|
/*
|
|
** The standard udp packet size PACKETSZ (512) is not sufficient for some
|
|
** nameserver answers containing very many resource records. The resolver
|
|
** may switch to tcp and retry if it detects udp packet overflow.
|
|
** Also note that the resolver routines res_query and res_search return
|
|
** the size of the *un*truncated answer in case the supplied answer buffer
|
|
** it not big enough to accommodate the entire answer.
|
|
*/
|
|
|
|
# ifndef MAXPACKET
|
|
# define MAXPACKET 8192 /* max packet size used internally by BIND */
|
|
# endif /* ! MAXPACKET */
|
|
|
|
/*
|
|
** The resolver functions res_{send,query,querydomain} expect the
|
|
** answer buffer to be aligned, but some versions of gcc4 reverse
|
|
** 25 years of history and no longer align char buffers on the
|
|
** stack, resulting in crashes on strict-alignment platforms. Use
|
|
** this union when putting the buffer on the stack to force the
|
|
** alignment, then cast to (HEADER *) or (unsigned char *) as needed.
|
|
*/
|
|
typedef union
|
|
{
|
|
HEADER qb1;
|
|
unsigned char qb2[MAXPACKET];
|
|
} querybuf;
|
|
|
|
/* functions */
|
|
extern bool getcanonname __P((char *, int, bool, int *));
|
|
extern int getmxrr __P((char *, char **, unsigned short *, bool, int *, bool, int *));
|
|
extern char *hostsignature __P((MAILER *, char *));
|
|
extern int getfallbackmxrr __P((char *));
|
|
|
|
/*
|
|
** Mapping functions
|
|
**
|
|
** These allow arbitrary mappings in the config file. The idea
|
|
** (albeit not the implementation) comes from IDA sendmail.
|
|
*/
|
|
|
|
#define MAPCLASS struct _mapclass
|
|
#define MAP struct _map
|
|
#define MAXMAPACTIONS 5 /* size of map_actions array */
|
|
|
|
|
|
/*
|
|
** An actual map.
|
|
*/
|
|
|
|
MAP
|
|
{
|
|
MAPCLASS *map_class; /* the class of this map */
|
|
MAPCLASS *map_orgclass; /* the original class of this map */
|
|
char *map_mname; /* name of this map */
|
|
long map_mflags; /* flags, see below */
|
|
char *map_file; /* the (nominal) filename */
|
|
ARBPTR_T map_db1; /* the open database ptr */
|
|
ARBPTR_T map_db2; /* an "extra" database pointer */
|
|
char *map_keycolnm; /* key column name */
|
|
char *map_valcolnm; /* value column name */
|
|
unsigned char map_keycolno; /* key column number */
|
|
unsigned char map_valcolno; /* value column number */
|
|
char map_coldelim; /* column delimiter */
|
|
char map_spacesub; /* spacesub */
|
|
char *map_app; /* to append to successful matches */
|
|
char *map_tapp; /* to append to "tempfail" matches */
|
|
char *map_domain; /* the (nominal) NIS domain */
|
|
char *map_rebuild; /* program to run to do auto-rebuild */
|
|
time_t map_mtime; /* last database modification time */
|
|
time_t map_timeout; /* timeout for map accesses */
|
|
int map_retry; /* # of retries for map accesses */
|
|
pid_t map_pid; /* PID of process which opened map */
|
|
int map_lockfd; /* auxiliary lock file descriptor */
|
|
short map_specificity; /* specificity of aliases */
|
|
MAP *map_stack[MAXMAPSTACK]; /* list for stacked maps */
|
|
short map_return[MAXMAPACTIONS]; /* return bitmaps for stacked maps */
|
|
};
|
|
|
|
|
|
/* bit values for map_mflags */
|
|
#define MF_VALID 0x00000001 /* this entry is valid */
|
|
#define MF_INCLNULL 0x00000002 /* include null byte in key */
|
|
#define MF_OPTIONAL 0x00000004 /* don't complain if map not found */
|
|
#define MF_NOFOLDCASE 0x00000008 /* don't fold case in keys */
|
|
#define MF_MATCHONLY 0x00000010 /* don't use the map value */
|
|
#define MF_OPEN 0x00000020 /* this entry is open */
|
|
#define MF_WRITABLE 0x00000040 /* open for writing */
|
|
#define MF_ALIAS 0x00000080 /* this is an alias file */
|
|
#define MF_TRY0NULL 0x00000100 /* try with no null byte */
|
|
#define MF_TRY1NULL 0x00000200 /* try with the null byte */
|
|
#define MF_LOCKED 0x00000400 /* this map is currently locked */
|
|
#define MF_ALIASWAIT 0x00000800 /* alias map in aliaswait state */
|
|
#define MF_IMPL_HASH 0x00001000 /* implicit: underlying hash database */
|
|
#define MF_IMPL_NDBM 0x00002000 /* implicit: underlying NDBM database */
|
|
/* 0x00004000 */
|
|
#define MF_APPEND 0x00008000 /* append new entry on rebuild */
|
|
#define MF_KEEPQUOTES 0x00010000 /* don't dequote key before lookup */
|
|
#define MF_NODEFER 0x00020000 /* don't defer if map lookup fails */
|
|
#define MF_REGEX_NOT 0x00040000 /* regular expression negation */
|
|
#define MF_DEFER 0x00080000 /* don't lookup map in defer mode */
|
|
#define MF_SINGLEMATCH 0x00100000 /* successful only if match one key */
|
|
#define MF_SINGLEDN 0x00200000 /* only one match, but multi values */
|
|
#define MF_FILECLASS 0x00400000 /* this is a file class map */
|
|
#define MF_OPENBOGUS 0x00800000 /* open failed, don't call map_close */
|
|
#define MF_CLOSING 0x01000000 /* map is being closed */
|
|
|
|
#define DYNOPENMAP(map) \
|
|
do \
|
|
{ \
|
|
if (!bitset(MF_OPEN, (map)->map_mflags)) \
|
|
{ \
|
|
if (!openmap(map)) \
|
|
return NULL; \
|
|
} \
|
|
} while (0)
|
|
|
|
|
|
/* indices for map_actions */
|
|
#define MA_NOTFOUND 0 /* member map returned "not found" */
|
|
#define MA_UNAVAIL 1 /* member map is not available */
|
|
#define MA_TRYAGAIN 2 /* member map returns temp failure */
|
|
|
|
/*
|
|
** The class of a map -- essentially the functions to call
|
|
*/
|
|
|
|
MAPCLASS
|
|
{
|
|
char *map_cname; /* name of this map class */
|
|
char *map_ext; /* extension for database file */
|
|
short map_cflags; /* flag bits, see below */
|
|
bool (*map_parse)__P((MAP *, char *));
|
|
/* argument parsing function */
|
|
char *(*map_lookup)__P((MAP *, char *, char **, int *));
|
|
/* lookup function */
|
|
void (*map_store)__P((MAP *, char *, char *));
|
|
/* store function */
|
|
bool (*map_open)__P((MAP *, int));
|
|
/* open function */
|
|
void (*map_close)__P((MAP *));
|
|
/* close function */
|
|
};
|
|
|
|
/* bit values for map_cflags */
|
|
#define MCF_ALIASOK 0x0001 /* can be used for aliases */
|
|
#define MCF_ALIASONLY 0x0002 /* usable only for aliases */
|
|
#define MCF_REBUILDABLE 0x0004 /* can rebuild alias files */
|
|
#define MCF_OPTFILE 0x0008 /* file name is optional */
|
|
#define MCF_NOTPERSIST 0x0010 /* don't keep map open all the time */
|
|
|
|
/* functions */
|
|
extern void closemaps __P((bool));
|
|
extern bool impl_map_open __P((MAP *, int));
|
|
extern void initmaps __P((void));
|
|
extern MAP *makemapentry __P((char *));
|
|
extern void maplocaluser __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
|
|
extern char *map_rewrite __P((MAP *, const char *, size_t, char **));
|
|
#if NETINFO
|
|
extern char *ni_propval __P((char *, char *, char *, char *, int));
|
|
#endif /* NETINFO */
|
|
extern bool openmap __P((MAP *));
|
|
extern int udbexpand __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
|
|
#if USERDB
|
|
extern void _udbx_close __P((void));
|
|
extern char *udbsender __P((char *, SM_RPOOL_T *));
|
|
#endif /* USERDB */
|
|
|
|
/*
|
|
** LDAP related items
|
|
*/
|
|
#if LDAPMAP
|
|
/* struct defining LDAP Auth Methods */
|
|
struct lamvalues
|
|
{
|
|
char *lam_name; /* name of LDAP auth method */
|
|
int lam_code; /* numeric code */
|
|
};
|
|
|
|
/* struct defining LDAP Alias Dereferencing */
|
|
struct ladvalues
|
|
{
|
|
char *lad_name; /* name of LDAP alias dereferencing method */
|
|
int lad_code; /* numeric code */
|
|
};
|
|
|
|
/* struct defining LDAP Search Scope */
|
|
struct lssvalues
|
|
{
|
|
char *lss_name; /* name of LDAP search scope */
|
|
int lss_code; /* numeric code */
|
|
};
|
|
|
|
/* functions */
|
|
extern bool ldapmap_parseargs __P((MAP *, char *));
|
|
extern void ldapmap_set_defaults __P((char *));
|
|
#endif /* LDAPMAP */
|
|
|
|
/*
|
|
** PH related items
|
|
*/
|
|
|
|
#if PH_MAP
|
|
|
|
# include <phclient.h>
|
|
|
|
struct ph_map_struct
|
|
{
|
|
char *ph_servers; /* list of ph servers */
|
|
char *ph_field_list; /* list of fields to search for match */
|
|
PH *ph; /* PH server handle */
|
|
int ph_fastclose; /* send "quit" command on close */
|
|
time_t ph_timeout; /* timeout interval */
|
|
};
|
|
typedef struct ph_map_struct PH_MAP_STRUCT;
|
|
|
|
#endif /* PH_MAP */
|
|
|
|
/*
|
|
** Regular UNIX sockaddrs are too small to handle ISO addresses, so
|
|
** we are forced to declare a supertype here.
|
|
*/
|
|
|
|
#if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25
|
|
union bigsockaddr
|
|
{
|
|
struct sockaddr sa; /* general version */
|
|
# if NETUNIX
|
|
struct sockaddr_un sunix; /* UNIX family */
|
|
# endif /* NETUNIX */
|
|
# if NETINET
|
|
struct sockaddr_in sin; /* INET family */
|
|
# endif /* NETINET */
|
|
# if NETINET6
|
|
struct sockaddr_in6 sin6; /* INET/IPv6 */
|
|
# endif /* NETINET6 */
|
|
# if NETISO
|
|
struct sockaddr_iso siso; /* ISO family */
|
|
# endif /* NETISO */
|
|
# if NETNS
|
|
struct sockaddr_ns sns; /* XNS family */
|
|
# endif /* NETNS */
|
|
# if NETX25
|
|
struct sockaddr_x25 sx25; /* X.25 family */
|
|
# endif /* NETX25 */
|
|
};
|
|
|
|
# define SOCKADDR union bigsockaddr
|
|
|
|
/* functions */
|
|
extern char *anynet_ntoa __P((SOCKADDR *));
|
|
# if NETINET6
|
|
extern char *anynet_ntop __P((struct in6_addr *, char *, size_t));
|
|
extern int anynet_pton __P((int, const char *, void *));
|
|
# endif /* NETINET6 */
|
|
extern char *hostnamebyanyaddr __P((SOCKADDR *));
|
|
extern char *validate_connection __P((SOCKADDR *, char *, ENVELOPE *));
|
|
# if SASL >= 20000
|
|
extern bool iptostring __P((SOCKADDR *, SOCKADDR_LEN_T, char *, unsigned));
|
|
# endif /* SASL >= 20000 */
|
|
|
|
#endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
|
|
|
|
/*
|
|
** Process List (proclist)
|
|
*/
|
|
|
|
#define NO_PID ((pid_t) 0)
|
|
#ifndef PROC_LIST_SEG
|
|
# define PROC_LIST_SEG 32 /* number of pids to alloc at a time */
|
|
#endif /* ! PROC_LIST_SEG */
|
|
|
|
/* process types */
|
|
#define PROC_NONE 0
|
|
#define PROC_DAEMON 1
|
|
#define PROC_DAEMON_CHILD 2
|
|
#define PROC_QUEUE 3
|
|
#define PROC_QUEUE_CHILD 3
|
|
#define PROC_CONTROL 4
|
|
#define PROC_CONTROL_CHILD 5
|
|
|
|
/* functions */
|
|
extern void proc_list_add __P((pid_t, char *, int, int, int, SOCKADDR *));
|
|
extern void proc_list_clear __P((void));
|
|
extern void proc_list_display __P((SM_FILE_T *, char *));
|
|
extern void proc_list_drop __P((pid_t, int, int *));
|
|
extern void proc_list_probe __P((void));
|
|
extern void proc_list_set __P((pid_t, char *));
|
|
extern void proc_list_signal __P((int, int));
|
|
|
|
/*
|
|
** Symbol table definitions
|
|
*/
|
|
|
|
struct symtab
|
|
{
|
|
char *s_name; /* name to be entered */
|
|
short s_symtype; /* general type (see below) */
|
|
struct symtab *s_next; /* pointer to next in chain */
|
|
union
|
|
{
|
|
BITMAP256 sv_class; /* bit-map of word classes */
|
|
MAILER *sv_mailer; /* pointer to mailer */
|
|
char *sv_alias; /* alias */
|
|
MAPCLASS sv_mapclass; /* mapping function class */
|
|
MAP sv_map; /* mapping function */
|
|
HOSTSIG_T sv_hostsig; /* host signature */
|
|
MCI sv_mci; /* mailer connection info */
|
|
NAMECANON sv_namecanon; /* canonical name cache */
|
|
int sv_macro; /* macro name => id mapping */
|
|
int sv_ruleset; /* ruleset index */
|
|
struct hdrinfo sv_header; /* header metainfo */
|
|
char *sv_service[MAXMAPSTACK]; /* service switch */
|
|
#if LDAPMAP
|
|
MAP *sv_lmap; /* Maps for LDAP connection */
|
|
#endif /* LDAPMAP */
|
|
#if SOCKETMAP
|
|
MAP *sv_socketmap; /* Maps for SOCKET connection */
|
|
#endif /* SOCKETMAP */
|
|
#if MILTER
|
|
struct milter *sv_milter; /* milter filter name */
|
|
#endif /* MILTER */
|
|
QUEUEGRP *sv_queue; /* pointer to queue */
|
|
} s_value;
|
|
};
|
|
|
|
typedef struct symtab STAB;
|
|
|
|
/* symbol types */
|
|
#define ST_UNDEF 0 /* undefined type */
|
|
#define ST_CLASS 1 /* class map */
|
|
/* #define ST_unused 2 UNUSED */
|
|
#define ST_MAILER 3 /* a mailer header */
|
|
#define ST_ALIAS 4 /* an alias */
|
|
#define ST_MAPCLASS 5 /* mapping function class */
|
|
#define ST_MAP 6 /* mapping function */
|
|
#define ST_HOSTSIG 7 /* host signature */
|
|
#define ST_NAMECANON 8 /* cached canonical name */
|
|
#define ST_MACRO 9 /* macro name to id mapping */
|
|
#define ST_RULESET 10 /* ruleset index */
|
|
#define ST_SERVICE 11 /* service switch entry */
|
|
#define ST_HEADER 12 /* special header flags */
|
|
#if LDAPMAP
|
|
# define ST_LMAP 13 /* List head of maps for LDAP connection */
|
|
#endif /* LDAPMAP */
|
|
#if MILTER
|
|
# define ST_MILTER 14 /* milter filter */
|
|
#endif /* MILTER */
|
|
#define ST_QUEUE 15 /* a queue entry */
|
|
|
|
#if SOCKETMAP
|
|
# define ST_SOCKETMAP 16 /* List head of maps for SOCKET connection */
|
|
#endif /* SOCKETMAP */
|
|
|
|
/* This entry must be last */
|
|
#define ST_MCI 17 /* mailer connection info (offset) */
|
|
|
|
#define s_class s_value.sv_class
|
|
#define s_mailer s_value.sv_mailer
|
|
#define s_alias s_value.sv_alias
|
|
#define s_mci s_value.sv_mci
|
|
#define s_mapclass s_value.sv_mapclass
|
|
#define s_hostsig s_value.sv_hostsig
|
|
#define s_map s_value.sv_map
|
|
#define s_namecanon s_value.sv_namecanon
|
|
#define s_macro s_value.sv_macro
|
|
#define s_ruleset s_value.sv_ruleset
|
|
#define s_service s_value.sv_service
|
|
#define s_header s_value.sv_header
|
|
#if LDAPMAP
|
|
# define s_lmap s_value.sv_lmap
|
|
#endif /* LDAPMAP */
|
|
#if SOCKETMAP
|
|
# define s_socketmap s_value.sv_socketmap
|
|
#endif /* SOCKETMAP */
|
|
#if MILTER
|
|
# define s_milter s_value.sv_milter
|
|
#endif /* MILTER */
|
|
#define s_quegrp s_value.sv_queue
|
|
|
|
/* opcodes to stab */
|
|
#define ST_FIND 0 /* find entry */
|
|
#define ST_ENTER 1 /* enter if not there */
|
|
|
|
/* functions */
|
|
extern STAB *stab __P((char *, int, int));
|
|
extern void stabapply __P((void (*)(STAB *, int), int));
|
|
|
|
/*
|
|
** Operation, send, error, and MIME modes
|
|
**
|
|
** The operation mode describes the basic operation of sendmail.
|
|
** This can be set from the command line, and is "send mail" by
|
|
** default.
|
|
**
|
|
** The send mode tells how to send mail. It can be set in the
|
|
** configuration file. Its setting determines how quickly the
|
|
** mail will be delivered versus the load on your system. If the
|
|
** -v (verbose) flag is given, it will be forced to SM_DELIVER
|
|
** mode.
|
|
**
|
|
** The error mode tells how to return errors.
|
|
*/
|
|
|
|
#define MD_DELIVER 'm' /* be a mail sender */
|
|
#define MD_SMTP 's' /* run SMTP on standard input */
|
|
#define MD_ARPAFTP 'a' /* obsolete ARPANET mode (Grey Book) */
|
|
#define MD_DAEMON 'd' /* run as a daemon */
|
|
#define MD_FGDAEMON 'D' /* run daemon in foreground */
|
|
#define MD_LOCAL 'l' /* like daemon, but localhost only */
|
|
#define MD_VERIFY 'v' /* verify: don't collect or deliver */
|
|
#define MD_TEST 't' /* test mode: resolve addrs only */
|
|
#define MD_INITALIAS 'i' /* initialize alias database */
|
|
#define MD_PRINT 'p' /* print the queue */
|
|
#define MD_PRINTNQE 'P' /* print number of entries in queue */
|
|
#define MD_FREEZE 'z' /* freeze the configuration file */
|
|
#define MD_HOSTSTAT 'h' /* print persistent host stat info */
|
|
#define MD_PURGESTAT 'H' /* purge persistent host stat info */
|
|
#define MD_QUEUERUN 'q' /* queue run */
|
|
#define MD_CHECKCONFIG 'C' /* check configuration file */
|
|
|
|
#if _FFR_LOCAL_DAEMON
|
|
EXTERN bool LocalDaemon;
|
|
# if NETINET6
|
|
EXTERN bool V6LoopbackAddrFound; /* found an IPv6 loopback address */
|
|
# define SETV6LOOPBACKADDRFOUND(sa) \
|
|
do \
|
|
{ \
|
|
if (isloopback(sa)) \
|
|
V6LoopbackAddrFound = true; \
|
|
} while (0)
|
|
# endif /* NETINET6 */
|
|
#else /* _FFR_LOCAL_DAEMON */
|
|
# define LocalDaemon false
|
|
# define V6LoopbackAddrFound false
|
|
# define SETV6LOOPBACKADDRFOUND(sa)
|
|
#endif /* _FFR_LOCAL_DAEMON */
|
|
|
|
/* Note: see also include/sendmail/pathnames.h: GET_CLIENT_CF */
|
|
|
|
/* values for e_sendmode -- send modes */
|
|
#define SM_DELIVER 'i' /* interactive delivery */
|
|
#if _FFR_PROXY
|
|
#define SM_PROXY_REQ 's' /* synchronous mode requested */
|
|
#define SM_PROXY 'S' /* synchronous mode activated */
|
|
#endif /* _FFR_PROXY */
|
|
#define SM_FORK 'b' /* deliver in background */
|
|
#if _FFR_DM_ONE
|
|
#define SM_DM_ONE 'o' /* deliver first TA in background, then queue */
|
|
#endif /* _FFR_DM_ONE */
|
|
#define SM_QUEUE 'q' /* queue, don't deliver */
|
|
#define SM_DEFER 'd' /* defer map lookups as well as queue */
|
|
#define SM_VERIFY 'v' /* verify only (used internally) */
|
|
#define DM_NOTSET (-1) /* DeliveryMode (per daemon) option not set */
|
|
#if _FFR_PROXY
|
|
# define SM_IS_INTERACTIVE(m) ((m) == SM_DELIVER || (m) == SM_PROXY_REQ || (m) == SM_PROXY)
|
|
#else /* _FFR_PROXY */
|
|
# define SM_IS_INTERACTIVE(m) ((m) == SM_DELIVER)
|
|
#endif /* _FFR_PROXY */
|
|
|
|
#define WILL_BE_QUEUED(m) ((m) == SM_QUEUE || (m) == SM_DEFER)
|
|
|
|
/* used only as a parameter to sendall */
|
|
#define SM_DEFAULT '\0' /* unspecified, use SendMode */
|
|
|
|
/* functions */
|
|
extern void set_delivery_mode __P((int, ENVELOPE *));
|
|
|
|
/* values for e_errormode -- error handling modes */
|
|
#define EM_PRINT 'p' /* print errors */
|
|
#define EM_MAIL 'm' /* mail back errors */
|
|
#define EM_WRITE 'w' /* write back errors */
|
|
#define EM_BERKNET 'e' /* special berknet processing */
|
|
#define EM_QUIET 'q' /* don't print messages (stat only) */
|
|
|
|
|
|
/* bit values for MimeMode */
|
|
#define MM_CVTMIME 0x0001 /* convert 8 to 7 bit MIME */
|
|
#define MM_PASS8BIT 0x0002 /* just send 8 bit data blind */
|
|
#define MM_MIME8BIT 0x0004 /* convert 8-bit data to MIME */
|
|
|
|
|
|
/* how to handle messages without any recipient addresses */
|
|
#define NRA_NO_ACTION 0 /* just leave it as is */
|
|
#define NRA_ADD_TO 1 /* add To: header */
|
|
#define NRA_ADD_APPARENTLY_TO 2 /* add Apparently-To: header */
|
|
#define NRA_ADD_BCC 3 /* add empty Bcc: header */
|
|
#define NRA_ADD_TO_UNDISCLOSED 4 /* add To: undisclosed:; header */
|
|
|
|
|
|
/* flags to putxline */
|
|
#define PXLF_NOTHINGSPECIAL 0 /* no special mapping */
|
|
#define PXLF_MAPFROM 0x0001 /* map From_ to >From_ */
|
|
#define PXLF_STRIP8BIT 0x0002 /* strip 8th bit */
|
|
#define PXLF_HEADER 0x0004 /* map newlines in headers */
|
|
#define PXLF_NOADDEOL 0x0008 /* if EOL not present, don't add one */
|
|
#define PXLF_STRIPMQUOTE 0x0010 /* strip METAQUOTEs */
|
|
|
|
/*
|
|
** Privacy flags
|
|
** These are bit values for the PrivacyFlags word.
|
|
*/
|
|
|
|
#define PRIV_PUBLIC 0 /* what have I got to hide? */
|
|
#define PRIV_NEEDMAILHELO 0x00000001 /* insist on HELO for MAIL */
|
|
#define PRIV_NEEDEXPNHELO 0x00000002 /* insist on HELO for EXPN */
|
|
#define PRIV_NEEDVRFYHELO 0x00000004 /* insist on HELO for VRFY */
|
|
#define PRIV_NOEXPN 0x00000008 /* disallow EXPN command */
|
|
#define PRIV_NOVRFY 0x00000010 /* disallow VRFY command */
|
|
#define PRIV_AUTHWARNINGS 0x00000020 /* flag possible auth probs */
|
|
#define PRIV_NOVERB 0x00000040 /* disallow VERB command */
|
|
#define PRIV_RESTRICTMAILQ 0x00010000 /* restrict mailq command */
|
|
#define PRIV_RESTRICTQRUN 0x00020000 /* restrict queue run */
|
|
#define PRIV_RESTRICTEXPAND 0x00040000 /* restrict alias/forward expansion */
|
|
#define PRIV_NOETRN 0x00080000 /* disallow ETRN command */
|
|
#define PRIV_NOBODYRETN 0x00100000 /* do not return bodies on bounces */
|
|
#define PRIV_NORECEIPTS 0x00200000 /* disallow return receipts */
|
|
#define PRIV_NOACTUALRECIPIENT 0x00400000 /* no X-Actual-Recipient in DSNs */
|
|
|
|
/* don't give no info, anyway, anyhow (in the main SMTP transaction) */
|
|
#define PRIV_GOAWAY 0x0000ffff
|
|
|
|
/* struct defining such things */
|
|
struct prival
|
|
{
|
|
char *pv_name; /* name of privacy flag */
|
|
unsigned long pv_flag; /* numeric level */
|
|
};
|
|
|
|
EXTERN unsigned long PrivacyFlags; /* privacy flags */
|
|
|
|
|
|
/*
|
|
** Flags passed to remotename, parseaddr, allocaddr, and buildaddr.
|
|
*/
|
|
|
|
#define RF_SENDERADDR 0x001 /* this is a sender address */
|
|
#define RF_HEADERADDR 0x002 /* this is a header address */
|
|
#define RF_CANONICAL 0x004 /* strip comment information */
|
|
#define RF_ADDDOMAIN 0x008 /* OK to do domain extension */
|
|
#define RF_COPYPARSE 0x010 /* copy parsed user & host */
|
|
#define RF_COPYPADDR 0x020 /* copy print address */
|
|
#define RF_COPYALL (RF_COPYPARSE|RF_COPYPADDR)
|
|
#define RF_COPYNONE 0
|
|
#define RF_RM_ADDR 0x040 /* address to be removed */
|
|
|
|
/*
|
|
** Flags passed to rscheck
|
|
*/
|
|
|
|
#define RSF_RMCOMM 0x0001 /* strip comments */
|
|
#define RSF_UNSTRUCTURED 0x0002 /* unstructured, ignore syntax errors */
|
|
#define RSF_COUNT 0x0004 /* count rejections (statistics)? */
|
|
#define RSF_ADDR 0x0008 /* reassemble address */
|
|
#define RSF_STRING 0x0010 /* reassemble address as string */
|
|
|
|
/*
|
|
** Flags passed to mime8to7 and putheader.
|
|
*/
|
|
|
|
#define M87F_OUTER 0 /* outer context */
|
|
#define M87F_NO8BIT 0x0001 /* can't have 8-bit in this section */
|
|
#define M87F_DIGEST 0x0002 /* processing multipart/digest */
|
|
#define M87F_NO8TO7 0x0004 /* don't do 8->7 bit conversions */
|
|
|
|
/* functions */
|
|
extern bool mime7to8 __P((MCI *, HDR *, ENVELOPE *));
|
|
extern int mime8to7 __P((MCI *, HDR *, ENVELOPE *, char **, int, int));
|
|
|
|
/*
|
|
** Flags passed to returntosender.
|
|
*/
|
|
|
|
#define RTSF_NO_BODY 0 /* send headers only */
|
|
#define RTSF_SEND_BODY 0x0001 /* include body of message in return */
|
|
#define RTSF_PM_BOUNCE 0x0002 /* this is a postmaster bounce */
|
|
|
|
/* functions */
|
|
extern int returntosender __P((char *, ADDRESS *, int, ENVELOPE *));
|
|
|
|
/*
|
|
** Mail Filters (milter)
|
|
*/
|
|
|
|
/*
|
|
** 32-bit type used by milter
|
|
** (needed by libmilter even if MILTER isn't defined)
|
|
*/
|
|
|
|
typedef SM_INT32 mi_int32;
|
|
|
|
#if MILTER
|
|
# define SMFTO_WRITE 0 /* Timeout for sending information */
|
|
# define SMFTO_READ 1 /* Timeout waiting for a response */
|
|
# define SMFTO_EOM 2 /* Timeout for ACK/NAK to EOM */
|
|
# define SMFTO_CONNECT 3 /* Timeout for connect() */
|
|
|
|
# define SMFTO_NUM_TO 4 /* Total number of timeouts */
|
|
|
|
struct milter
|
|
{
|
|
char *mf_name; /* filter name */
|
|
BITMAP256 mf_flags; /* MTA flags */
|
|
mi_int32 mf_fvers; /* filter version */
|
|
mi_int32 mf_fflags; /* filter flags */
|
|
mi_int32 mf_pflags; /* protocol flags */
|
|
char *mf_conn; /* connection info */
|
|
int mf_sock; /* connected socket */
|
|
char mf_state; /* state of filter */
|
|
char mf_lflags; /* "local" flags */
|
|
int mf_idx; /* milter number (index) */
|
|
time_t mf_timeout[SMFTO_NUM_TO]; /* timeouts */
|
|
#if _FFR_MILTER_CHECK
|
|
/* for testing only */
|
|
mi_int32 mf_mta_prot_version;
|
|
mi_int32 mf_mta_prot_flags;
|
|
mi_int32 mf_mta_actions;
|
|
#endif /* _FFR_MILTER_CHECK */
|
|
};
|
|
|
|
#define MI_LFL_NONE 0x00000000
|
|
#define MI_LFLAGS_SYM(st) (1 << (st)) /* has its own symlist for stage st */
|
|
|
|
struct milters
|
|
{
|
|
mi_int32 mis_flags; /* filter flags */
|
|
};
|
|
typedef struct milters milters_T;
|
|
|
|
#define MIS_FL_NONE 0x00000000 /* no requirements... */
|
|
#define MIS_FL_DEL_RCPT 0x00000001 /* can delete rcpt */
|
|
#define MIS_FL_REJ_RCPT 0x00000002 /* can reject rcpt */
|
|
|
|
|
|
/* MTA flags */
|
|
# define SMF_REJECT 'R' /* Reject connection on filter fail */
|
|
# define SMF_TEMPFAIL 'T' /* tempfail connection on failure */
|
|
# define SMF_TEMPDROP '4' /* 421 connection on failure */
|
|
|
|
EXTERN struct milter *InputFilters[MAXFILTERS];
|
|
EXTERN char *InputFilterList;
|
|
EXTERN int MilterLogLevel;
|
|
|
|
/* functions */
|
|
extern void setup_daemon_milters __P((void));
|
|
#endif /* MILTER */
|
|
|
|
/*
|
|
** Vendor codes
|
|
**
|
|
** Vendors can customize sendmail to add special behaviour,
|
|
** generally for back compatibility. Ideally, this should
|
|
** be set up in the .cf file using the "V" command. However,
|
|
** it's quite reasonable for some vendors to want the default
|
|
** be their old version; this can be set using
|
|
** -DVENDOR_DEFAULT=VENDOR_xxx
|
|
** in the Makefile.
|
|
**
|
|
** Vendors should apply to sendmail@sendmail.org for
|
|
** unique vendor codes.
|
|
*/
|
|
|
|
#define VENDOR_BERKELEY 1 /* Berkeley-native configuration file */
|
|
#define VENDOR_SUN 2 /* Sun-native configuration file */
|
|
#define VENDOR_HP 3 /* Hewlett-Packard specific config syntax */
|
|
#define VENDOR_IBM 4 /* IBM specific config syntax */
|
|
#define VENDOR_SENDMAIL 5 /* Proofpoint, Inc. specific config syntax */
|
|
#define VENDOR_DEC 6 /* Compaq, DEC, Digital */
|
|
|
|
/* prototypes for vendor-specific hook routines */
|
|
extern void vendor_daemon_setup __P((ENVELOPE *));
|
|
extern void vendor_set_uid __P((UID_T));
|
|
|
|
|
|
/*
|
|
** Terminal escape codes.
|
|
**
|
|
** To make debugging output clearer.
|
|
*/
|
|
|
|
struct termescape
|
|
{
|
|
char *te_rv_on; /* turn reverse-video on */
|
|
char *te_under_on; /* turn underlining on */
|
|
char *te_normal; /* revert to normal output */
|
|
};
|
|
|
|
/*
|
|
** Additional definitions
|
|
*/
|
|
|
|
/*
|
|
** d_flags, see daemon.c
|
|
** general rule: lower case: required, upper case: No
|
|
*/
|
|
|
|
#define D_AUTHREQ 'a' /* authentication required */
|
|
#define D_BINDIF 'b' /* use if_addr for outgoing connection */
|
|
#define D_CANONREQ 'c' /* canonification required (cf) */
|
|
#define D_IFNHELO 'h' /* use if name for HELO */
|
|
#define D_FQMAIL 'f' /* fq sender address required (cf) */
|
|
#define D_FQRCPT 'r' /* fq recipient address required (cf) */
|
|
#define D_SMTPS 's' /* SMTP over SSL (smtps) */
|
|
#define D_UNQUALOK 'u' /* unqualified address is ok (cf) */
|
|
#define D_NOAUTH 'A' /* no AUTH */
|
|
#define D_NOCANON 'C' /* no canonification (cf) */
|
|
#define D_NOETRN 'E' /* no ETRN (MSA) */
|
|
#define D_NOTLS 'S' /* don't use STARTTLS */
|
|
#define D_ETRNONLY ((char)0x01) /* allow only ETRN (disk low) */
|
|
#define D_OPTIONAL 'O' /* optional socket */
|
|
#define D_DISABLE ((char)0x02) /* optional socket disabled */
|
|
#define D_ISSET ((char)0x03) /* this client struct is set */
|
|
#if _FFR_XCNCT
|
|
#define D_XCNCT ((char)0x04) /* X-Connect was used */
|
|
#define D_XCNCT_M ((char)0x05) /* X-Connect was used + "forged" */
|
|
#endif /* _FFR_XCNCT */
|
|
|
|
#if STARTTLS
|
|
/*
|
|
** TLS
|
|
*/
|
|
|
|
/* what to do in the TLS initialization */
|
|
#define TLS_I_NONE 0x00000000 /* no requirements... */
|
|
#define TLS_I_CERT_EX 0x00000001 /* cert must exist */
|
|
#define TLS_I_CERT_UNR 0x00000002 /* cert must be g/o unreadable */
|
|
#define TLS_I_KEY_EX 0x00000004 /* key must exist */
|
|
#define TLS_I_KEY_UNR 0x00000008 /* key must be g/o unreadable */
|
|
#define TLS_I_CERTP_EX 0x00000010 /* CA cert path must exist */
|
|
#define TLS_I_CERTP_UNR 0x00000020 /* CA cert path must be g/o unreadable */
|
|
#define TLS_I_CERTF_EX 0x00000040 /* CA cert file must exist */
|
|
#define TLS_I_CERTF_UNR 0x00000080 /* CA cert file must be g/o unreadable */
|
|
#define TLS_I_RSA_TMP 0x00000100 /* RSA TMP must be generated */
|
|
#define TLS_I_USE_KEY 0x00000200 /* private key must usable */
|
|
#define TLS_I_USE_CERT 0x00000400 /* certificate must be usable */
|
|
#define TLS_I_VRFY_PATH 0x00000800 /* load verify path must succeed */
|
|
#define TLS_I_VRFY_LOC 0x00001000 /* load verify default must succeed */
|
|
#define TLS_I_CACHE 0x00002000 /* require cache */
|
|
#define TLS_I_TRY_DH 0x00004000 /* try DH certificate */
|
|
#define TLS_I_REQ_DH 0x00008000 /* require DH certificate */
|
|
#define TLS_I_DHPAR_EX 0x00010000 /* require DH parameters */
|
|
#define TLS_I_DHPAR_UNR 0x00020000 /* DH param. must be g/o unreadable */
|
|
#define TLS_I_DH512 0x00040000 /* generate 512bit DH param */
|
|
#define TLS_I_DH1024 0x00080000 /* generate 1024bit DH param */
|
|
#define TLS_I_DH2048 0x00100000 /* generate 2048bit DH param */
|
|
#define TLS_I_NO_VRFY 0x00200000 /* do not require authentication */
|
|
#define TLS_I_KEY_OUNR 0x00400000 /* Key must be other unreadable */
|
|
#define TLS_I_CRLF_EX 0x00800000 /* CRL file must exist */
|
|
#define TLS_I_CRLF_UNR 0x01000000 /* CRL file must be g/o unreadable */
|
|
#define TLS_I_DHFIXED 0x02000000 /* use fixed DH param */
|
|
|
|
/* require server cert */
|
|
#define TLS_I_SRV_CERT (TLS_I_CERT_EX | TLS_I_KEY_EX | \
|
|
TLS_I_KEY_UNR | TLS_I_KEY_OUNR | \
|
|
TLS_I_CERTP_EX | TLS_I_CERTF_EX | \
|
|
TLS_I_USE_KEY | TLS_I_USE_CERT | TLS_I_CACHE)
|
|
|
|
/* server requirements */
|
|
#define TLS_I_SRV (TLS_I_SRV_CERT | TLS_I_RSA_TMP | TLS_I_VRFY_PATH | \
|
|
TLS_I_VRFY_LOC | TLS_I_TRY_DH | TLS_I_CACHE)
|
|
|
|
/* client requirements */
|
|
#define TLS_I_CLT (TLS_I_KEY_UNR | TLS_I_KEY_OUNR)
|
|
|
|
#define TLS_AUTH_OK 0
|
|
#define TLS_AUTH_NO 1
|
|
#define TLS_AUTH_FAIL (-1)
|
|
|
|
/* functions */
|
|
extern bool init_tls_library __P((bool _fipsmode));
|
|
extern bool inittls __P((SSL_CTX **, unsigned long, unsigned long, bool, char *, char *, char *, char *, char *));
|
|
extern bool initclttls __P((bool));
|
|
extern void setclttls __P((bool));
|
|
extern bool initsrvtls __P((bool));
|
|
extern int tls_get_info __P((SSL *, bool, char *, MACROS_T *, bool));
|
|
extern int endtls __P((SSL *, char *));
|
|
extern void tlslogerr __P((int, const char *));
|
|
|
|
|
|
EXTERN char *CACertPath; /* path to CA certificates (dir. with hashes) */
|
|
EXTERN char *CACertFile; /* file with CA certificate */
|
|
EXTERN char *CltCertFile; /* file with client certificate */
|
|
EXTERN char *CltKeyFile; /* file with client private key */
|
|
EXTERN char *CipherList; /* list of ciphers */
|
|
EXTERN char *CertFingerprintAlgorithm; /* name of fingerprint alg */
|
|
EXTERN const EVP_MD *EVP_digest; /* digest for cert fp */
|
|
EXTERN char *DHParams; /* file with DH parameters */
|
|
EXTERN char *RandFile; /* source of random data */
|
|
EXTERN char *SrvCertFile; /* file with server certificate */
|
|
EXTERN char *SrvKeyFile; /* file with server private key */
|
|
EXTERN char *CRLFile; /* file CRLs */
|
|
#if _FFR_CRLPATH
|
|
EXTERN char *CRLPath; /* path to CRLs (dir. with hashes) */
|
|
#endif /* _FFR_CRLPATH */
|
|
EXTERN unsigned long TLS_Srv_Opts; /* TLS server options */
|
|
EXTERN unsigned long Srv_SSL_Options, Clt_SSL_Options; /* SSL options */
|
|
#endif /* STARTTLS */
|
|
|
|
/*
|
|
** Queue related items
|
|
*/
|
|
|
|
/* queue file names */
|
|
#define ANYQFL_LETTER '?'
|
|
#define QUARQF_LETTER 'h'
|
|
#define DATAFL_LETTER 'd'
|
|
#define XSCRPT_LETTER 'x'
|
|
#define NORMQF_LETTER 'q'
|
|
#define NEWQFL_LETTER 't'
|
|
|
|
# define TEMPQF_LETTER 'T'
|
|
# define LOSEQF_LETTER 'Q'
|
|
|
|
/* queue sort order */
|
|
#define QSO_BYPRIORITY 0 /* sort by message priority */
|
|
#define QSO_BYHOST 1 /* sort by first host name */
|
|
#define QSO_BYTIME 2 /* sort by submission time */
|
|
#define QSO_BYFILENAME 3 /* sort by file name only */
|
|
#define QSO_RANDOM 4 /* sort in random order */
|
|
#define QSO_BYMODTIME 5 /* sort by modification time */
|
|
#define QSO_NONE 6 /* do not sort */
|
|
#if _FFR_RHS
|
|
# define QSO_BYSHUFFLE 7 /* sort by shuffled host name */
|
|
#endif /* _FFR_RHS */
|
|
|
|
#define NOQGRP (-1) /* no queue group (yet) */
|
|
#define ENVQGRP (-2) /* use queue group of envelope */
|
|
#define NOAQGRP (-3) /* no queue group in addr (yet) */
|
|
#define ISVALIDQGRP(x) ((x) >= 0) /* valid queue group? */
|
|
#define NOQDIR (-1) /* no queue directory (yet) */
|
|
#define ENVQDIR (-2) /* use queue directory of envelope */
|
|
#define NOAQDIR (-3) /* no queue directory in addr (yet) */
|
|
#define ISVALIDQDIR(x) ((x) >= 0) /* valid queue directory? */
|
|
#define RS_QUEUEGROUP "queuegroup" /* ruleset for queue group selection */
|
|
|
|
#define NOW ((time_t) (-1)) /* queue return: now */
|
|
|
|
/* SuperSafe values */
|
|
#define SAFE_NO 0 /* no fsync(): don't use... */
|
|
#define SAFE_INTERACTIVE 1 /* limit fsync() in -odi */
|
|
#define SAFE_REALLY 2 /* always fsync() */
|
|
#define SAFE_REALLY_POSTMILTER 3 /* fsync() if milter says OK */
|
|
|
|
/* QueueMode bits */
|
|
#define QM_NORMAL ' '
|
|
#define QM_QUARANTINE 'Q'
|
|
#define QM_LOST 'L'
|
|
|
|
/* Queue Run Limitations */
|
|
struct queue_char
|
|
{
|
|
char *queue_match; /* string to match */
|
|
bool queue_negate; /* or not match, if set */
|
|
struct queue_char *queue_next;
|
|
};
|
|
|
|
/* run_work_group() flags */
|
|
#define RWG_NONE 0x0000
|
|
#define RWG_FORK 0x0001
|
|
#define RWG_VERBOSE 0x0002
|
|
#define RWG_PERSISTENT 0x0004
|
|
#define RWG_FORCE 0x0008
|
|
#define RWG_RUNALL 0x0010
|
|
|
|
typedef struct queue_char QUEUE_CHAR;
|
|
|
|
EXTERN int volatile CurRunners; /* current number of runner children */
|
|
EXTERN int MaxQueueRun; /* maximum number of jobs in one queue run */
|
|
EXTERN int MaxQueueChildren; /* max # of forked queue children */
|
|
EXTERN int MaxRunnersPerQueue; /* max # proc's active in queue group */
|
|
EXTERN int NiceQueueRun; /* nice queue runs to this value */
|
|
EXTERN int NumQueue; /* number of queue groups */
|
|
EXTERN int QueueFileMode; /* mode on files in mail queue */
|
|
EXTERN int QueueMode; /* which queue items to act upon */
|
|
EXTERN int QueueSortOrder; /* queue sorting order algorithm */
|
|
EXTERN time_t MinQueueAge; /* min delivery interval */
|
|
EXTERN time_t MaxQueueAge; /* max delivery interval */
|
|
EXTERN time_t QueueIntvl; /* intervals between running the queue */
|
|
EXTERN char *QueueDir; /* location of queue directory */
|
|
EXTERN QUEUE_CHAR *QueueLimitId; /* limit queue run to id */
|
|
EXTERN QUEUE_CHAR *QueueLimitQuarantine; /* limit queue run to quarantine reason */
|
|
EXTERN QUEUE_CHAR *QueueLimitRecipient; /* limit queue run to rcpt */
|
|
EXTERN QUEUE_CHAR *QueueLimitSender; /* limit queue run to sender */
|
|
EXTERN QUEUEGRP *Queue[MAXQUEUEGROUPS + 1]; /* queue groups */
|
|
#if _FFR_BOUNCE_QUEUE
|
|
EXTERN int BounceQueue;
|
|
#endif
|
|
|
|
/* functions */
|
|
extern void assign_queueid __P((ENVELOPE *));
|
|
extern ADDRESS *copyqueue __P((ADDRESS *, SM_RPOOL_T *));
|
|
extern void cleanup_queues __P((void));
|
|
extern bool doqueuerun __P((void));
|
|
extern void initsys __P((ENVELOPE *));
|
|
extern void loseqfile __P((ENVELOPE *, char *));
|
|
extern int name2qid __P((char *));
|
|
extern char *qid_printname __P((ENVELOPE *));
|
|
extern char *qid_printqueue __P((int, int));
|
|
extern void quarantine_queue __P((char *, int));
|
|
extern char *queuename __P((ENVELOPE *, int));
|
|
extern void queueup __P((ENVELOPE *, bool, bool));
|
|
extern bool runqueue __P((bool, bool, bool, bool));
|
|
extern bool run_work_group __P((int, int));
|
|
extern void set_def_queueval __P((QUEUEGRP *, bool));
|
|
extern void setup_queues __P((bool));
|
|
extern bool setnewqueue __P((ENVELOPE *));
|
|
extern bool shouldqueue __P((long, time_t));
|
|
extern void sync_queue_time __P((void));
|
|
extern void init_qid_alg __P((void));
|
|
extern int print_single_queue __P((int, int));
|
|
#if REQUIRES_DIR_FSYNC
|
|
# define SYNC_DIR(path, panic) sync_dir(path, panic)
|
|
extern void sync_dir __P((char *, bool));
|
|
#else /* REQUIRES_DIR_FSYNC */
|
|
# define SYNC_DIR(path, panic) ((void) 0)
|
|
#endif /* REQUIRES_DIR_FSYNC */
|
|
|
|
/*
|
|
** Timeouts
|
|
**
|
|
** Indicated values are the MINIMUM per RFC 1123 section 5.3.2.
|
|
*/
|
|
|
|
EXTERN struct
|
|
{
|
|
/* RFC 1123-specified timeouts [minimum value] */
|
|
time_t to_initial; /* initial greeting timeout [5m] */
|
|
time_t to_mail; /* MAIL command [5m] */
|
|
time_t to_rcpt; /* RCPT command [5m] */
|
|
time_t to_datainit; /* DATA initiation [2m] */
|
|
time_t to_datablock; /* DATA block [3m] */
|
|
time_t to_datafinal; /* DATA completion [10m] */
|
|
time_t to_nextcommand; /* next command [5m] */
|
|
/* following timeouts are not mentioned in RFC 1123 */
|
|
time_t to_iconnect; /* initial connection timeout (first try) */
|
|
time_t to_connect; /* initial connection timeout (later tries) */
|
|
time_t to_aconnect; /* all connections timeout (MX and A records) */
|
|
time_t to_rset; /* RSET command */
|
|
time_t to_helo; /* HELO command */
|
|
time_t to_quit; /* QUIT command */
|
|
time_t to_miscshort; /* misc short commands (NOOP, VERB, etc) */
|
|
time_t to_ident; /* IDENT protocol requests */
|
|
time_t to_fileopen; /* opening :include: and .forward files */
|
|
time_t to_control; /* process a control socket command */
|
|
time_t to_lhlo; /* LMTP: LHLO command */
|
|
#if SASL
|
|
time_t to_auth; /* AUTH dialogue [10m] */
|
|
#endif /* SASL */
|
|
#if STARTTLS
|
|
time_t to_starttls; /* STARTTLS dialogue [10m] */
|
|
#endif /* STARTTLS */
|
|
/* following are per message */
|
|
time_t to_q_return[MAXTOCLASS]; /* queue return timeouts */
|
|
time_t to_q_warning[MAXTOCLASS]; /* queue warning timeouts */
|
|
time_t res_retrans[MAXRESTOTYPES]; /* resolver retransmit */
|
|
int res_retry[MAXRESTOTYPES]; /* resolver retry */
|
|
} TimeOuts;
|
|
|
|
/* timeout classes for return and warning timeouts */
|
|
#define TOC_NORMAL 0 /* normal delivery */
|
|
#define TOC_URGENT 1 /* urgent delivery */
|
|
#define TOC_NONURGENT 2 /* non-urgent delivery */
|
|
#define TOC_DSN 3 /* DSN delivery */
|
|
|
|
/* resolver timeout specifiers */
|
|
#define RES_TO_FIRST 0 /* first attempt */
|
|
#define RES_TO_NORMAL 1 /* subsequent attempts */
|
|
#define RES_TO_DEFAULT 2 /* default value */
|
|
|
|
/* functions */
|
|
extern void inittimeouts __P((char *, bool));
|
|
|
|
/*
|
|
** Interface probing
|
|
*/
|
|
|
|
#define DPI_PROBENONE 0 /* Don't probe any interfaces */
|
|
#define DPI_PROBEALL 1 /* Probe all interfaces */
|
|
#define DPI_SKIPLOOPBACK 2 /* Don't probe loopback interfaces */
|
|
|
|
/*
|
|
** Trace information
|
|
*/
|
|
|
|
/* macros for debugging flags */
|
|
#if NOT_SENDMAIL
|
|
# define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level)
|
|
#else
|
|
# define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level && !IntSig)
|
|
#endif
|
|
#define tTdlevel(flag) (tTdvect[flag])
|
|
|
|
/* variables */
|
|
extern unsigned char tTdvect[100]; /* trace vector */
|
|
|
|
/*
|
|
** Miscellaneous information.
|
|
*/
|
|
|
|
/*
|
|
** The "no queue id" queue id for sm_syslog
|
|
*/
|
|
|
|
#define NOQID ""
|
|
|
|
#define CURHOSTNAME (CurHostName == NULL ? "local" : CurHostName)
|
|
|
|
/*
|
|
** Some in-line functions
|
|
*/
|
|
|
|
/* set exit status */
|
|
#define setstat(s) \
|
|
do \
|
|
{ \
|
|
if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL) \
|
|
ExitStat = s; \
|
|
} while (0)
|
|
|
|
|
|
#define STRUCTCOPY(s, d) d = s
|
|
|
|
/* free a pointer if it isn't NULL and set it to NULL */
|
|
#define SM_FREE_CLR(p) \
|
|
do \
|
|
{ \
|
|
if ((p) != NULL) \
|
|
{ \
|
|
sm_free(p); \
|
|
(p) = NULL; \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
** Update a permanent string variable with a new value.
|
|
** The old value is freed, the new value is strdup'ed.
|
|
**
|
|
** We use sm_pstrdup_x to duplicate the string because it raises
|
|
** an exception on error, and because it allocates "permanent storage"
|
|
** which is not expected to be freed before process exit.
|
|
** The latter is important for memory leak analysis.
|
|
**
|
|
** If an exception occurs while strdup'ing the new value,
|
|
** then the variable remains set to the old value.
|
|
** That's why the strdup must occur before we free the old value.
|
|
**
|
|
** The macro uses a do loop so that this idiom will work:
|
|
** if (...)
|
|
** PSTRSET(var, val1);
|
|
** else
|
|
** PSTRSET(var, val2);
|
|
*/
|
|
#define PSTRSET(var, val) \
|
|
do \
|
|
{ \
|
|
char *_newval = sm_pstrdup_x(val); \
|
|
if (var != NULL) \
|
|
sm_free(var); \
|
|
var = _newval; \
|
|
} while (0)
|
|
|
|
#define _CHECK_RESTART \
|
|
do \
|
|
{ \
|
|
if (ShutdownRequest != NULL) \
|
|
shutdown_daemon(); \
|
|
else if (RestartRequest != NULL) \
|
|
restart_daemon(); \
|
|
else if (RestartWorkGroup) \
|
|
restart_marked_work_groups(); \
|
|
} while (0)
|
|
|
|
# define CHECK_RESTART _CHECK_RESTART
|
|
|
|
#define CHK_CUR_RUNNERS(fct, idx, count) \
|
|
do \
|
|
{ \
|
|
if (CurRunners < 0) \
|
|
{ \
|
|
if (LogLevel > 3) \
|
|
sm_syslog(LOG_ERR, NOQID, \
|
|
"%s: CurRunners=%d, i=%d, count=%d, status=should not happen", \
|
|
fct, CurRunners, idx, count); \
|
|
CurRunners = 0; \
|
|
} \
|
|
} while (0)
|
|
|
|
/* reply types (text in SmtpMsgBuffer) */
|
|
#define XS_DEFAULT 0 /* other commands, e.g., RSET */
|
|
#define XS_STARTTLS 1
|
|
#define XS_AUTH 2
|
|
#define XS_GREET 3
|
|
#define XS_EHLO 4
|
|
#define XS_MAIL 5
|
|
#define XS_RCPT 6
|
|
#define XS_DATA 7
|
|
#define XS_EOM 8
|
|
#define XS_DATA2 9 /* LMTP */
|
|
#define XS_QUIT 10
|
|
|
|
/*
|
|
** Global variables.
|
|
*/
|
|
|
|
#if _FFR_ADD_BCC
|
|
EXTERN bool AddBcc;
|
|
#endif
|
|
#if _FFR_ADDR_TYPE_MODES
|
|
EXTERN bool AddrTypeModes; /* addr_type: extra "mode" information */
|
|
#endif /* _FFR_ADDR_TYPE_MODES */
|
|
EXTERN bool AllowBogusHELO; /* allow syntax errors on HELO command */
|
|
EXTERN bool CheckAliases; /* parse addresses during newaliases */
|
|
#if _FFR_QUEUE_RUN_PARANOIA
|
|
EXTERN int CheckQueueRunners; /* check whether queue runners are OK */
|
|
#endif /* _FFR_QUEUE_RUN_PARANOIA */
|
|
EXTERN bool ColonOkInAddr; /* single colon legal in address */
|
|
#if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_)
|
|
EXTERN bool ConfigFileRead; /* configuration file has been read */
|
|
#endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */
|
|
EXTERN bool DisConnected; /* running with OutChannel redirect to transcript file */
|
|
EXTERN bool DontExpandCnames; /* do not $[...$] expand CNAMEs */
|
|
EXTERN bool DontInitGroups; /* avoid initgroups() because of NIS cost */
|
|
EXTERN bool DontLockReadFiles; /* don't read lock support files */
|
|
EXTERN bool DontPruneRoutes; /* don't prune source routes */
|
|
EXTERN bool ForkQueueRuns; /* fork for each job when running the queue */
|
|
EXTERN bool FromFlag; /* if set, "From" person is explicit */
|
|
EXTERN bool FipsMode;
|
|
EXTERN bool GrabTo; /* if set, get recipients from msg */
|
|
EXTERN bool EightBitAddrOK; /* we'll let 8-bit addresses through */
|
|
EXTERN bool HasEightBits; /* has at least one eight bit input byte */
|
|
EXTERN bool HasWildcardMX; /* don't use MX records when canonifying */
|
|
EXTERN bool HoldErrs; /* only output errors to transcript */
|
|
EXTERN bool IgnoreHostStatus; /* ignore long term host status files */
|
|
EXTERN bool IgnrDot; /* don't let dot end messages */
|
|
EXTERN bool LogUsrErrs; /* syslog user errors (e.g., SMTP RCPT cmd) */
|
|
EXTERN bool MatchGecos; /* look for user names in gecos field */
|
|
EXTERN bool MeToo; /* send to the sender also */
|
|
EXTERN bool NoAlias; /* suppress aliasing */
|
|
EXTERN bool NoConnect; /* don't connect to non-local mailers */
|
|
EXTERN bool OnlyOneError; /* .... or only want to give one SMTP reply */
|
|
EXTERN bool QuickAbort; /* .... but only if we want a quick abort */
|
|
#if _FFR_REJECT_NUL_BYTE
|
|
EXTERN bool RejectNUL; /* reject NUL input byte? */
|
|
#endif /* _FFR_REJECT_NUL_BYTE */
|
|
#if REQUIRES_DIR_FSYNC
|
|
EXTERN bool RequiresDirfsync; /* requires fsync() for directory */
|
|
#endif /* REQUIRES_DIR_FSYNC */
|
|
EXTERN bool volatile RestartWorkGroup; /* daemon needs to restart some work groups */
|
|
EXTERN bool RrtImpliesDsn; /* turn Return-Receipt-To: into DSN */
|
|
EXTERN bool SaveFrom; /* save leading "From" lines */
|
|
EXTERN bool SendMIMEErrors; /* send error messages in MIME format */
|
|
EXTERN bool SevenBitInput; /* force 7-bit data on input */
|
|
EXTERN bool SingleLineFromHeader; /* force From: header to be one line */
|
|
EXTERN bool SingleThreadDelivery; /* single thread hosts on delivery */
|
|
EXTERN bool SoftBounce; /* replace 5xy by 4xy (for testing) */
|
|
EXTERN bool volatile StopRequest; /* stop sending output */
|
|
EXTERN bool SuprErrs; /* set if we are suppressing errors */
|
|
EXTERN bool TryNullMXList; /* if we are the best MX, try host directly */
|
|
EXTERN bool UseMSP; /* mail submission: group writable queue ok? */
|
|
EXTERN bool WorkAroundBrokenAAAA; /* some nameservers return SERVFAIL on AAAA queries */
|
|
EXTERN bool UseErrorsTo; /* use Errors-To: header (back compat) */
|
|
EXTERN bool UseNameServer; /* using DNS -- interpret h_errno & MX RRs */
|
|
EXTERN bool UseCompressedIPv6Addresses; /* for more specific zero-subnet matches */
|
|
EXTERN char InetMode; /* default network for daemon mode */
|
|
EXTERN char OpMode; /* operation mode, see below */
|
|
EXTERN char SpaceSub; /* substitution for <lwsp> */
|
|
#if _FFR_BADRCPT_SHUTDOWN
|
|
EXTERN int BadRcptShutdown; /* Shutdown connection for rejected RCPTs */
|
|
EXTERN int BadRcptShutdownGood; /* above even when there are good RCPTs */
|
|
#endif /* _FFR_BADRCPT_SHUTDOWN */
|
|
EXTERN int BadRcptThrottle; /* Throttle rejected RCPTs per SMTP message */
|
|
#if _FFR_RCPTTHROTDELAY
|
|
EXTERN unsigned int BadRcptThrottleDelay; /* delay for BadRcptThrottle */
|
|
#else
|
|
# define BadRcptThrottleDelay 1
|
|
#endif /* _FFR_RCPTTHROTDELAY */
|
|
EXTERN int CheckpointInterval; /* queue file checkpoint interval */
|
|
EXTERN int ConfigLevel; /* config file level */
|
|
EXTERN int ConnRateThrottle; /* throttle for SMTP connection rate */
|
|
EXTERN int volatile CurChildren; /* current number of daemonic children */
|
|
EXTERN int CurrentLA; /* current load average */
|
|
EXTERN int DefaultNotify; /* default DSN notification flags */
|
|
EXTERN int DelayLA; /* load average to delay connections */
|
|
EXTERN int DontProbeInterfaces; /* don't probe interfaces for names */
|
|
EXTERN int Errors; /* set if errors (local to single pass) */
|
|
EXTERN int ExitStat; /* exit status code */
|
|
EXTERN int FastSplit; /* fast initial splitting of envelopes */
|
|
EXTERN int FileMode; /* mode on files */
|
|
EXTERN int LineNumber; /* line number in current input */
|
|
EXTERN int LogLevel; /* level of logging to perform */
|
|
EXTERN int MaxAliasRecursion; /* maximum depth of alias recursion */
|
|
EXTERN int MaxChildren; /* maximum number of daemonic children */
|
|
EXTERN int MaxForwardEntries; /* maximum number of forward entries */
|
|
EXTERN int MaxHeadersLength; /* max length of headers */
|
|
EXTERN int MaxHopCount; /* max # of hops until bounce */
|
|
EXTERN int MaxMacroRecursion; /* maximum depth of macro recursion */
|
|
EXTERN int MaxMimeFieldLength; /* maximum MIME field length */
|
|
EXTERN int MaxMimeHeaderLength; /* maximum MIME header length */
|
|
EXTERN int MaxNOOPCommands; /* max "noise" commands before slowdown */
|
|
|
|
EXTERN int MaxRcptPerMsg; /* max recipients per SMTP message */
|
|
EXTERN int MaxRuleRecursion; /* maximum depth of ruleset recursion */
|
|
#if _FFR_MSG_ACCEPT
|
|
EXTERN char *MessageAccept; /* "Message accepted for delivery" reply text */
|
|
#endif /* _FFR_MSG_ACCEPT */
|
|
|
|
EXTERN int MimeMode; /* MIME processing mode */
|
|
EXTERN int NoRecipientAction;
|
|
|
|
#if SM_CONF_SHM
|
|
EXTERN int Numfilesys; /* number of queue file systems */
|
|
EXTERN int *PNumFileSys;
|
|
# define NumFileSys (*PNumFileSys)
|
|
# else /* SM_CONF_SHM */
|
|
EXTERN int NumFileSys; /* number of queue file systems */
|
|
# endif /* SM_CONF_SHM */
|
|
|
|
EXTERN int QueueLA; /* load average starting forced queueing */
|
|
EXTERN int RefuseLA; /* load average refusing connections */
|
|
EXTERN time_t RejectLogInterval; /* time btwn log msgs while refusing */
|
|
#if _FFR_MEMSTAT
|
|
EXTERN long QueueLowMem; /* low memory starting forced queueing */
|
|
EXTERN long RefuseLowMem; /* low memory refusing connections */
|
|
EXTERN char *MemoryResource;/* memory resource to look up */
|
|
#endif /* _FFR_MEMSTAT */
|
|
EXTERN int SuperSafe; /* be extra careful, even if expensive */
|
|
EXTERN int VendorCode; /* vendor-specific operation enhancements */
|
|
EXTERN int Verbose; /* set if blow-by-blow desired */
|
|
EXTERN gid_t DefGid; /* default gid to run as */
|
|
EXTERN gid_t RealGid; /* real gid of caller */
|
|
EXTERN gid_t RunAsGid; /* GID to become for bulk of run */
|
|
EXTERN gid_t EffGid; /* effective gid */
|
|
#if SM_CONF_SHM
|
|
EXTERN key_t ShmKey; /* shared memory key */
|
|
EXTERN char *ShmKeyFile; /* shared memory key file */
|
|
#endif /* SM_CONF_SHM */
|
|
EXTERN pid_t CurrentPid; /* current process id */
|
|
EXTERN pid_t DaemonPid; /* process id of daemon */
|
|
EXTERN pid_t PidFilePid; /* daemon/queue runner who wrote pid file */
|
|
EXTERN uid_t DefUid; /* default uid to run as */
|
|
EXTERN uid_t RealUid; /* real uid of caller */
|
|
EXTERN uid_t RunAsUid; /* UID to become for bulk of run */
|
|
EXTERN uid_t TrustedUid; /* uid of trusted user for files and startup */
|
|
EXTERN size_t DataFileBufferSize; /* size of buf for in-core data file */
|
|
EXTERN time_t DeliverByMin; /* deliver by minimum time */
|
|
EXTERN time_t DialDelay; /* delay between dial-on-demand tries */
|
|
EXTERN time_t SafeAlias; /* interval to wait until @:@ in alias file */
|
|
EXTERN time_t ServiceCacheMaxAge; /* refresh interval for cache */
|
|
EXTERN size_t XscriptFileBufferSize; /* size of buf for in-core transcript file */
|
|
EXTERN MODE_T OldUmask; /* umask when sendmail starts up */
|
|
EXTERN long MaxMessageSize; /* advertised max size we will accept */
|
|
EXTERN long MinBlocksFree; /* min # of blocks free on queue fs */
|
|
EXTERN long QueueFactor; /* slope of queue function */
|
|
EXTERN long WkClassFact; /* multiplier for message class -> priority */
|
|
EXTERN long WkRecipFact; /* multiplier for # of recipients -> priority */
|
|
EXTERN long WkTimeFact; /* priority offset each time this job is run */
|
|
EXTERN char *ControlSocketName; /* control socket filename [control.c] */
|
|
EXTERN char *CurHostName; /* current host we are dealing with */
|
|
EXTERN char *DeadLetterDrop; /* path to dead letter office */
|
|
EXTERN char *DefUser; /* default user to run as (from DefUid) */
|
|
EXTERN char *DefaultCharSet; /* default character set for MIME */
|
|
EXTERN char *DoubleBounceAddr; /* where to send double bounces */
|
|
EXTERN char *ErrMsgFile; /* file to prepend to all error messages */
|
|
EXTERN char *FallbackMX; /* fall back MX host */
|
|
EXTERN char *FallbackSmartHost; /* fall back smart host */
|
|
EXTERN char *FileName; /* name to print on error messages */
|
|
EXTERN char *ForwardPath; /* path to search for .forward files */
|
|
EXTERN char *HeloName; /* hostname to announce in HELO */
|
|
EXTERN char *HelpFile; /* location of SMTP help file */
|
|
EXTERN char *HostStatDir; /* location of host status information */
|
|
EXTERN char *HostsFile; /* path to /etc/hosts file */
|
|
extern char *Mbdb; /* mailbox database type */
|
|
EXTERN char *MustQuoteChars; /* quote these characters in phrases */
|
|
EXTERN char *MyHostName; /* name of this host for SMTP messages */
|
|
EXTERN char *OperatorChars; /* operators (old $o macro) */
|
|
EXTERN char *PidFile; /* location of proc id file [conf.c] */
|
|
EXTERN char *PostMasterCopy; /* address to get errs cc's */
|
|
EXTERN char *ProcTitlePrefix; /* process title prefix */
|
|
EXTERN char *RealHostName; /* name of host we are talking to */
|
|
EXTERN char *RealUserName; /* real user name of caller */
|
|
EXTERN char *volatile RestartRequest;/* a sendmail restart has been requested */
|
|
EXTERN char *RunAsUserName; /* user to become for bulk of run */
|
|
EXTERN char *SafeFileEnv; /* chroot location for file delivery */
|
|
EXTERN char *ServiceSwitchFile; /* backup service switch */
|
|
EXTERN char *volatile ShutdownRequest;/* a sendmail shutdown has been requested */
|
|
EXTERN bool volatile IntSig;
|
|
EXTERN char *SmtpGreeting; /* SMTP greeting message (old $e macro) */
|
|
EXTERN char *SmtpPhase; /* current phase in SMTP processing */
|
|
EXTERN char SmtpError[MAXLINE]; /* save failure error messages */
|
|
EXTERN char *StatFile; /* location of statistics summary */
|
|
EXTERN char *TimeZoneSpec; /* override time zone specification */
|
|
EXTERN char *UdbSpec; /* user database source spec */
|
|
EXTERN char *UnixFromLine; /* UNIX From_ line (old $l macro) */
|
|
EXTERN char **ExternalEnviron; /* saved user (input) environment */
|
|
EXTERN char **SaveArgv; /* argument vector for re-execing */
|
|
EXTERN BITMAP256 DontBlameSendmail; /* DontBlameSendmail bits */
|
|
EXTERN SM_FILE_T *InChannel; /* input connection */
|
|
EXTERN SM_FILE_T *OutChannel; /* output connection */
|
|
EXTERN SM_FILE_T *TrafficLogFile; /* file in which to log all traffic */
|
|
#if HESIOD
|
|
EXTERN void *HesiodContext;
|
|
#endif /* HESIOD */
|
|
EXTERN ENVELOPE *CurEnv; /* envelope currently being processed */
|
|
EXTERN char *RuleSetNames[MAXRWSETS]; /* ruleset number to name */
|
|
EXTERN char *UserEnviron[MAXUSERENVIRON + 1];
|
|
EXTERN struct rewrite *RewriteRules[MAXRWSETS];
|
|
EXTERN struct termescape TermEscape; /* terminal escape codes */
|
|
EXTERN SOCKADDR ConnectOnlyTo; /* override connection address (for testing) */
|
|
EXTERN SOCKADDR RealHostAddr; /* address of host we are talking to */
|
|
extern const SM_EXC_TYPE_T EtypeQuickAbort; /* type of a QuickAbort exception */
|
|
|
|
|
|
EXTERN int ConnectionRateWindowSize;
|
|
#if STARTTLS && USE_OPENSSL_ENGINE
|
|
EXTERN bool SSLEngineInitialized;
|
|
#endif /* STARTTLS && USE_OPENSSL_ENGINE */
|
|
|
|
/*
|
|
** Declarations of useful functions
|
|
*/
|
|
|
|
/* Transcript file */
|
|
extern void closexscript __P((ENVELOPE *));
|
|
extern void openxscript __P((ENVELOPE *));
|
|
|
|
/* error related */
|
|
extern void buffer_errors __P((void));
|
|
extern void flush_errors __P((bool));
|
|
extern void PRINTFLIKE(1, 2) message __P((const char *, ...));
|
|
extern void PRINTFLIKE(1, 2) nmessage __P((const char *, ...));
|
|
#if _FFR_PROXY
|
|
extern void PRINTFLIKE(3, 4) emessage __P((const char *, const char *, const char *, ...));
|
|
extern int extsc __P((const char *, int, char *, char *));
|
|
#endif /* _FFR_PROXY */
|
|
extern void PRINTFLIKE(1, 2) syserr __P((const char *, ...));
|
|
extern void PRINTFLIKE(2, 3) usrerrenh __P((char *, const char *, ...));
|
|
extern void PRINTFLIKE(1, 2) usrerr __P((const char *, ...));
|
|
extern int isenhsc __P((const char *, int));
|
|
extern int extenhsc __P((const char *, int, char *));
|
|
|
|
/* alias file */
|
|
extern void alias __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
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extern bool aliaswait __P((MAP *, char *, bool));
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extern void forward __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
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extern void readaliases __P((MAP *, SM_FILE_T *, bool, bool));
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extern bool rebuildaliases __P((MAP *, bool));
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extern void setalias __P((char *));
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/* logging */
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extern void logdelivery __P((MAILER *, MCI *, char *, const char *, ADDRESS *, time_t, ENVELOPE *, ADDRESS *, int));
|
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extern void logsender __P((ENVELOPE *, char *));
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extern void PRINTFLIKE(3, 4) sm_syslog __P((int, const char *, const char *, ...));
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/* SMTP */
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extern void giveresponse __P((int, char *, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *, ADDRESS *));
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extern int reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)__P((char *, bool, MAILER *, MCI *, ENVELOPE *)), char **, int));
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extern void smtp __P((char *volatile, BITMAP256, ENVELOPE *volatile));
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#if SASL
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extern int smtpauth __P((MAILER *, MCI *, ENVELOPE *));
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#endif /* SASL */
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extern int smtpdata __P((MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t));
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extern int smtpgetstat __P((MAILER *, MCI *, ENVELOPE *));
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extern int smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *));
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extern void smtpmessage __P((char *, MAILER *, MCI *, ...));
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extern void smtpinit __P((MAILER *, MCI *, ENVELOPE *, bool));
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extern char *smtptodsn __P((int));
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extern int smtpprobe __P((MCI *));
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extern void smtpquit __P((MAILER *, MCI *, ENVELOPE *));
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extern int smtprcpt __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t));
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extern void smtprset __P((MAILER *, MCI *, ENVELOPE *));
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|
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#define REPLYTYPE(r) ((r) / 100) /* first digit of reply code */
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#define REPLYCLASS(r) (((r) / 10) % 10) /* second digit of reply code */
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#define REPLYMINOR(r) ((r) % 10) /* last digit of reply code */
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#define ISSMTPCODE(c) (isascii(c[0]) && isdigit(c[0]) && \
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isascii(c[1]) && isdigit(c[1]) && \
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isascii(c[2]) && isdigit(c[2]))
|
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#define ISSMTPREPLY(c) (ISSMTPCODE(c) && \
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(c[3] == ' ' || c[3] == '-' || c[3] == '\0'))
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/* delivery */
|
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extern pid_t dowork __P((int, int, char *, bool, bool, ENVELOPE *));
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extern pid_t doworklist __P((ENVELOPE *, bool, bool));
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extern int endmailer __P((MCI *, ENVELOPE *, char **));
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extern int mailfile __P((char *volatile, MAILER *volatile, ADDRESS *, volatile long, ENVELOPE *));
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extern void sendall __P((ENVELOPE *, int));
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|
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/* stats */
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#define STATS_NORMAL 'n'
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#define STATS_QUARANTINE 'q'
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#define STATS_REJECT 'r'
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#define STATS_CONNECT 'c'
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|
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extern void markstats __P((ENVELOPE *, ADDRESS *, int));
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extern void clearstats __P((void));
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extern void poststats __P((char *));
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|
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/* control socket */
|
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extern void closecontrolsocket __P((bool));
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extern void clrcontrol __P((void));
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extern void control_command __P((int, ENVELOPE *));
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extern int opencontrolsocket __P((void));
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|
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#if MILTER
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/* milter functions */
|
|
extern void milter_config __P((char *, struct milter **, int));
|
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extern void milter_setup __P((char *));
|
|
extern void milter_set_option __P((char *, char *, bool));
|
|
extern bool milter_init __P((ENVELOPE *, char *, milters_T *));
|
|
extern void milter_quit __P((ENVELOPE *));
|
|
extern void milter_abort __P((ENVELOPE *));
|
|
extern char *milter_connect __P((char *, SOCKADDR, ENVELOPE *, char *));
|
|
extern char *milter_helo __P((char *, ENVELOPE *, char *));
|
|
extern char *milter_envfrom __P((char **, ENVELOPE *, char *));
|
|
extern char *milter_data_cmd __P((ENVELOPE *, char *));
|
|
extern char *milter_envrcpt __P((char **, ENVELOPE *, char *, bool));
|
|
extern char *milter_data __P((ENVELOPE *, char *));
|
|
extern char *milter_unknown __P((char *, ENVELOPE *, char *));
|
|
#endif /* MILTER */
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|
|
|
extern char *addquotes __P((char *, SM_RPOOL_T *));
|
|
extern char *arpadate __P((char *));
|
|
extern bool atobool __P((char *));
|
|
extern int atooct __P((char *));
|
|
extern void auth_warning __P((ENVELOPE *, const char *, ...));
|
|
extern int blocksignal __P((int));
|
|
extern bool bitintersect __P((BITMAP256, BITMAP256));
|
|
extern bool bitzerop __P((BITMAP256));
|
|
extern int check_bodytype __P((char *));
|
|
extern void buildfname __P((char *, char *, char *, int));
|
|
extern bool chkclientmodifiers __P((int));
|
|
extern bool chkdaemonmodifiers __P((int));
|
|
extern int checkcompat __P((ADDRESS *, ENVELOPE *));
|
|
#ifdef XDEBUG
|
|
extern void checkfd012 __P((char *));
|
|
extern void checkfdopen __P((int, char *));
|
|
#endif /* XDEBUG */
|
|
extern void checkfds __P((char *));
|
|
extern bool chownsafe __P((int, bool));
|
|
extern void cleanstrcpy __P((char *, char *, int));
|
|
#if SM_CONF_SHM
|
|
extern void cleanup_shm __P((bool));
|
|
#endif /* SM_CONF_SHM */
|
|
extern void close_sendmail_pid __P((void));
|
|
extern void clrdaemon __P((void));
|
|
extern void collect __P((SM_FILE_T *, bool, HDR **, ENVELOPE *, bool));
|
|
extern bool connection_rate_check __P((SOCKADDR *, ENVELOPE *));
|
|
extern time_t convtime __P((char *, int));
|
|
extern char **copyplist __P((char **, bool, SM_RPOOL_T *));
|
|
extern void copy_class __P((int, int));
|
|
extern int count_open_connections __P((SOCKADDR *));
|
|
extern time_t curtime __P((void));
|
|
extern char *defcharset __P((ENVELOPE *));
|
|
extern char *denlstring __P((char *, bool, bool));
|
|
extern void dferror __P((SM_FILE_T *volatile, char *, ENVELOPE *));
|
|
extern void disconnect __P((int, ENVELOPE *));
|
|
extern void disk_status __P((SM_FILE_T *, char *));
|
|
extern bool dns_getcanonname __P((char *, int, bool, int *, int *));
|
|
extern pid_t dofork __P((void));
|
|
extern int drop_privileges __P((bool));
|
|
extern int dsntoexitstat __P((char *));
|
|
extern void dumpfd __P((int, bool, bool));
|
|
#if SM_HEAP_CHECK
|
|
extern void dumpstab __P((void));
|
|
#endif /* SM_HEAP_CHECK */
|
|
extern void dumpstate __P((char *));
|
|
extern bool enoughdiskspace __P((long, ENVELOPE *));
|
|
extern char *exitstat __P((char *));
|
|
extern void fatal_error __P((SM_EXC_T *));
|
|
extern char *fgetfolded __P((char *, int *, SM_FILE_T *));
|
|
extern void fill_fd __P((int, char *));
|
|
extern char *find_character __P((char *, int));
|
|
extern int finduser __P((char *, bool *, SM_MBDB_T *));
|
|
extern void finis __P((bool, bool, volatile int));
|
|
extern void fixcrlf __P((char *, bool));
|
|
extern long freediskspace __P((const char *, long *));
|
|
#if NETINET6 && NEEDSGETIPNODE
|
|
extern void freehostent __P((struct hostent *));
|
|
#endif /* NETINET6 && NEEDSGETIPNODE */
|
|
extern char *get_column __P((char *, int, int, char *, int));
|
|
extern char *getauthinfo __P((int, bool *));
|
|
extern int getdtsize __P((void));
|
|
extern int getla __P((void));
|
|
extern char *getmodifiers __P((char *, BITMAP256));
|
|
extern BITMAP256 *getrequests __P((ENVELOPE *));
|
|
extern char *getvendor __P((int));
|
|
#if _FFR_TLS_SE_OPTS && STARTTLS
|
|
# ifndef TLS_VRFY_PER_CTX
|
|
# define TLS_VRFY_PER_CTX 1
|
|
# endif
|
|
extern int get_tls_se_options __P((ENVELOPE *, SSL *, bool));
|
|
#else
|
|
# define get_tls_se_options(e, s, w) 0
|
|
#endif
|
|
extern void help __P((char *, ENVELOPE *));
|
|
extern void init_md __P((int, char **));
|
|
extern void initdaemon __P((void));
|
|
extern void inithostmaps __P((void));
|
|
extern void initmacros __P((ENVELOPE *));
|
|
extern void initsetproctitle __P((int, char **, char **));
|
|
extern void init_vendor_macros __P((ENVELOPE *));
|
|
extern SIGFUNC_DECL intsig __P((int));
|
|
extern bool isatom __P((const char *));
|
|
extern bool isloopback __P((SOCKADDR sa));
|
|
#if _FFR_TLS_SE_OPTS && STARTTLS
|
|
extern bool load_certkey __P((SSL *, bool, char *, char *));
|
|
#endif
|
|
extern void load_if_names __P((void));
|
|
extern bool lockfile __P((int, char *, char *, int));
|
|
extern void log_sendmail_pid __P((ENVELOPE *));
|
|
extern void logundelrcpts __P((ENVELOPE *, char *, int, bool));
|
|
extern char lower __P((int));
|
|
extern void makelower __P((char *));
|
|
extern int makeconnection_ds __P((char *, MCI *));
|
|
extern int makeconnection __P((char *, volatile unsigned int, MCI *, ENVELOPE *, time_t));
|
|
extern void makeworkgroups __P((void));
|
|
extern void markfailure __P((ENVELOPE *, ADDRESS *, MCI *, int, bool));
|
|
extern void mark_work_group_restart __P((int, int));
|
|
extern MCI *mci_new __P((SM_RPOOL_T *));
|
|
extern char *munchstring __P((char *, char **, int));
|
|
extern struct hostent *myhostname __P((char *, int));
|
|
extern char *newstr __P((const char *));
|
|
#if NISPLUS
|
|
extern char *nisplus_default_domain __P((void)); /* extern for Sun */
|
|
#endif /* NISPLUS */
|
|
extern bool path_is_dir __P((char *, bool));
|
|
extern int pickqdir __P((QUEUEGRP *qg, long fsize, ENVELOPE *e));
|
|
extern char *pintvl __P((time_t, bool));
|
|
extern void printav __P((SM_FILE_T *, char **));
|
|
extern void printmailer __P((SM_FILE_T *, MAILER *));
|
|
extern void printnqe __P((SM_FILE_T *, char *));
|
|
extern void printopenfds __P((bool));
|
|
extern void printqueue __P((void));
|
|
extern void printrules __P((void));
|
|
extern pid_t prog_open __P((char **, int *, ENVELOPE *));
|
|
extern bool putline __P((char *, MCI *));
|
|
extern bool putxline __P((char *, size_t, MCI *, int));
|
|
extern void queueup_macros __P((int, SM_FILE_T *, ENVELOPE *));
|
|
extern void readcf __P((char *, bool, ENVELOPE *));
|
|
extern SIGFUNC_DECL reapchild __P((int));
|
|
extern int releasesignal __P((int));
|
|
extern void resetlimits __P((void));
|
|
extern void restart_daemon __P((void));
|
|
extern void restart_marked_work_groups __P((void));
|
|
extern bool rfc822_string __P((char *));
|
|
extern void rmexpstab __P((void));
|
|
extern bool savemail __P((ENVELOPE *, bool));
|
|
extern void seed_random __P((void));
|
|
extern void sendtoargv __P((char **, ENVELOPE *));
|
|
extern void setclientoptions __P((char *));
|
|
extern bool setdaemonoptions __P((char *));
|
|
extern void setdefaults __P((ENVELOPE *));
|
|
extern void setdefuser __P((void));
|
|
extern bool setvendor __P((char *));
|
|
extern void set_op_mode __P((int));
|
|
extern void setoption __P((int, char *, bool, bool, ENVELOPE *));
|
|
extern sigfunc_t setsignal __P((int, sigfunc_t));
|
|
extern void sm_setuserenv __P((const char *, const char *));
|
|
extern void settime __P((ENVELOPE *));
|
|
#if STARTTLS
|
|
extern int set_tls_rd_tmo __P((int));
|
|
#else
|
|
# define set_tls_rd_tmo(rd_tmo) 0
|
|
#endif
|
|
extern char *sfgets __P((char *, int, SM_FILE_T *, time_t, char *));
|
|
extern char *shortenstring __P((const char *, size_t));
|
|
extern char *shorten_hostname __P((char []));
|
|
extern bool shorten_rfc822_string __P((char *, size_t));
|
|
extern void shutdown_daemon __P((void));
|
|
extern void sm_closefrom __P((int lowest, int highest));
|
|
extern void sm_close_on_exec __P((int lowest, int highest));
|
|
extern struct hostent *sm_gethostbyname __P((char *, int));
|
|
extern struct hostent *sm_gethostbyaddr __P((char *, int, int));
|
|
extern void sm_getla __P((void));
|
|
extern struct passwd *sm_getpwnam __P((char *));
|
|
extern struct passwd *sm_getpwuid __P((UID_T));
|
|
extern void sm_setproctitle __P((bool, ENVELOPE *, const char *, ...));
|
|
extern pid_t sm_wait __P((int *));
|
|
extern bool split_by_recipient __P((ENVELOPE *e));
|
|
extern void stop_sendmail __P((void));
|
|
extern void stripbackslash __P((char *));
|
|
extern bool strreplnonprt __P((char *, int));
|
|
extern bool strcontainedin __P((bool, char *, char *));
|
|
extern int switch_map_find __P((char *, char *[], short []));
|
|
#if STARTTLS
|
|
extern void tls_set_verify __P((SSL_CTX *, SSL *, bool));
|
|
#endif /* STARTTLS */
|
|
extern bool transienterror __P((int));
|
|
extern void truncate_at_delim __P((char *, size_t, int));
|
|
extern void tTflag __P((char *));
|
|
extern void tTsetup __P((unsigned char *, unsigned int, char *));
|
|
extern SIGFUNC_DECL tick __P((int));
|
|
extern char *ttypath __P((void));
|
|
extern void unlockqueue __P((ENVELOPE *));
|
|
#if !HASUNSETENV
|
|
extern void unsetenv __P((char *));
|
|
#endif /* !HASUNSETENV */
|
|
|
|
/* update file system information: +/- some blocks */
|
|
#if SM_CONF_SHM
|
|
extern void upd_qs __P((ENVELOPE *, int, int, char *));
|
|
# define updfs(e, count, space, where) upd_qs(e, count, space, where)
|
|
#else /* SM_CONF_SHM */
|
|
# define updfs(e, count, space, where)
|
|
# define upd_qs(e, count, space, where)
|
|
#endif /* SM_CONF_SHM */
|
|
|
|
extern char *username __P((void));
|
|
extern bool usershellok __P((char *, char *));
|
|
extern void vendor_post_defaults __P((ENVELOPE *));
|
|
extern void vendor_pre_defaults __P((ENVELOPE *));
|
|
extern int waitfor __P((pid_t));
|
|
extern bool writable __P((char *, ADDRESS *, long));
|
|
#if SM_HEAP_CHECK
|
|
# define xalloc(size) xalloc_tagged(size, __FILE__, __LINE__)
|
|
extern char *xalloc_tagged __P((int, char *, int));
|
|
#else /* SM_HEAP_CHECK */
|
|
extern char *xalloc __P((int));
|
|
#endif /* SM_HEAP_CHECK */
|
|
#if _FFR_XCNCT
|
|
extern int xconnect __P((SM_FILE_T *));
|
|
#endif /* _FFR_XCNCT */
|
|
extern void xputs __P((SM_FILE_T *, const char *));
|
|
extern char *xtextify __P((char *, char *));
|
|
extern bool xtextok __P((char *));
|
|
extern int xunlink __P((char *));
|
|
extern char *xuntextify __P((char *));
|
|
|
|
#if _FFR_RCPTFLAGS
|
|
extern bool newmodmailer __P((ADDRESS *, int));
|
|
#endif
|
|
|
|
#undef EXTERN
|
|
#endif /* ! _SENDMAIL_H */
|