138032Speter/* 2249729Sgshapiro * Copyright (c) 1998-2013 Sendmail, Inc. and its suppliers. 364562Sgshapiro * All rights reserved. 438032Speter * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. 538032Speter * Copyright (c) 1988, 1993 638032Speter * The Regents of the University of California. All rights reserved. 738032Speter * 838032Speter * By using this file, you agree to the terms and conditions set 938032Speter * forth in the LICENSE file which can be found at the top level of 1038032Speter * the sendmail distribution. 1138032Speter */ 1238032Speter 1338032Speter/* 1464562Sgshapiro** SENDMAIL.H -- MTA-specific definitions for sendmail. 1538032Speter*/ 1638032Speter 1764562Sgshapiro#ifndef _SENDMAIL_H 1890792Sgshapiro# define _SENDMAIL_H 1 1964562Sgshapiro 20132943Sgshapiro#ifndef MILTER 21132943Sgshapiro# define MILTER 1 /* turn on MILTER by default */ 22132943Sgshapiro#endif /* MILTER */ 23132943Sgshapiro 2464562Sgshapiro#ifdef _DEFINE 2538032Speter# define EXTERN 2664562Sgshapiro#else /* _DEFINE */ 2738032Speter# define EXTERN extern 2864562Sgshapiro#endif /* _DEFINE */ 2938032Speter 3064562Sgshapiro 3164562Sgshapiro#include <unistd.h> 3264562Sgshapiro 3364562Sgshapiro#include <stddef.h> 3464562Sgshapiro#include <stdlib.h> 3590792Sgshapiro#include <stdio.h> 3664562Sgshapiro#include <ctype.h> 3764562Sgshapiro#include <setjmp.h> 3864562Sgshapiro#include <string.h> 3964562Sgshapiro#include <time.h> 4038032Speter# ifdef EX_OK 4138032Speter# undef EX_OK /* for SVr4.2 SMP */ 4264562Sgshapiro# endif /* EX_OK */ 4338032Speter 4464562Sgshapiro#include "sendmail/sendmail.h" 4590792Sgshapiro 4690792Sgshapiro/* profiling? */ 4790792Sgshapiro#if MONCONTROL 4890792Sgshapiro# define SM_PROF(x) moncontrol(x) 4990792Sgshapiro#else /* MONCONTROL */ 5090792Sgshapiro# define SM_PROF(x) 5190792Sgshapiro#endif /* MONCONTROL */ 5290792Sgshapiro 5390792Sgshapiro#ifdef _DEFINE 5490792Sgshapiro# ifndef lint 55249729SgshapiroSM_UNUSED(static char SmailId[]) = "@(#)$Id: sendmail.h,v 8.1101 2013/03/15 17:54:12 ca Exp $"; 5690792Sgshapiro# endif /* ! lint */ 5790792Sgshapiro#endif /* _DEFINE */ 5890792Sgshapiro 5964562Sgshapiro#include "bf.h" 6064562Sgshapiro#include "timers.h" 6190792Sgshapiro#include <sm/exc.h> 6290792Sgshapiro#include <sm/heap.h> 6390792Sgshapiro#include <sm/debug.h> 6490792Sgshapiro#include <sm/rpool.h> 6590792Sgshapiro#include <sm/io.h> 6690792Sgshapiro#include <sm/path.h> 6790792Sgshapiro#include <sm/signal.h> 6890792Sgshapiro#include <sm/clock.h> 6990792Sgshapiro#include <sm/mbdb.h> 7090792Sgshapiro#include <sm/errstring.h> 7190792Sgshapiro#include <sm/sysexits.h> 7290792Sgshapiro#include <sm/shm.h> 73168515Sgshapiro#include <sm/misc.h> 7438032Speter 7564562Sgshapiro#ifdef LOG 7638032Speter# include <syslog.h> 7764562Sgshapiro#endif /* LOG */ 7838032Speter 7964562Sgshapiro 8064562Sgshapiro 8164562Sgshapiro# if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 8264562Sgshapiro# include <sys/socket.h> 8364562Sgshapiro# endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */ 8438032Speter# if NETUNIX 8564562Sgshapiro# include <sys/un.h> 8664562Sgshapiro# endif /* NETUNIX */ 8764562Sgshapiro# if NETINET || NETINET6 8864562Sgshapiro# include <netinet/in.h> 8964562Sgshapiro# endif /* NETINET || NETINET6 */ 9064562Sgshapiro# if NETINET6 9164562Sgshapiro/* 9264562Sgshapiro** There is no standard yet for IPv6 includes. 9364562Sgshapiro** Specify OS specific implementation in conf.h 9464562Sgshapiro*/ 9564562Sgshapiro# endif /* NETINET6 */ 9638032Speter# if NETISO 9764562Sgshapiro# include <netiso/iso.h> 9864562Sgshapiro# endif /* NETISO */ 9938032Speter# if NETNS 10064562Sgshapiro# include <netns/ns.h> 10164562Sgshapiro# endif /* NETNS */ 10238032Speter# if NETX25 10364562Sgshapiro# include <netccitt/x25.h> 10464562Sgshapiro# endif /* NETX25 */ 10538032Speter 10664562Sgshapiro# if NAMED_BIND 10764562Sgshapiro# include <arpa/nameser.h> 10864562Sgshapiro# ifdef NOERROR 10964562Sgshapiro# undef NOERROR /* avoid <sys/streams.h> conflict */ 11064562Sgshapiro# endif /* NOERROR */ 11164562Sgshapiro# include <resolv.h> 11290792Sgshapiro# else /* NAMED_BIND */ 11390792Sgshapiro# undef SM_SET_H_ERRNO 11490792Sgshapiro# define SM_SET_H_ERRNO(err) 11564562Sgshapiro# endif /* NAMED_BIND */ 11638032Speter 11790792Sgshapiro# if HESIOD 11864562Sgshapiro# include <hesiod.h> 11964562Sgshapiro# if !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) 12064562Sgshapiro# define HESIOD_INIT /* support for the new interface */ 12164562Sgshapiro# endif /* !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) */ 12264562Sgshapiro# endif /* HESIOD */ 12338032Speter 12464562Sgshapiro#if STARTTLS 12564562Sgshapiro# include <openssl/ssl.h> 12690792Sgshapiro# if !TLS_NO_RSA 127249729Sgshapiro# if _FFR_FIPSMODE 128249729Sgshapiro# define RSA_KEYLENGTH 1024 129249729Sgshapiro# else /* _FFR_FIPSMODE */ 130249729Sgshapiro# define RSA_KEYLENGTH 512 131249729Sgshapiro# endif /* _FFR_FIPSMODE */ 13290792Sgshapiro# endif /* !TLS_NO_RSA */ 13364562Sgshapiro#endif /* STARTTLS */ 13464562Sgshapiro 13564562Sgshapiro#if SASL /* include the sasl include files if we have them */ 13698121Sgshapiro 13798121Sgshapiro 13898121Sgshapiro# if SASL == 2 || SASL >= 20000 13998121Sgshapiro# include <sasl/sasl.h> 140225906Sume# include <sasl/saslplug.h> 14198121Sgshapiro# include <sasl/saslutil.h> 142225906Sume# if SASL_VERSION_FULL < 0x020119 143225906Sumetypedef int (*sasl_callback_ft)(void); 144225906Sume# endif 14598121Sgshapiro# else /* SASL == 2 || SASL >= 20000 */ 14698121Sgshapiro# include <sasl.h> 14798121Sgshapiro# include <saslutil.h> 148225906Sumetypedef int (*sasl_callback_ft)(void); 14998121Sgshapiro# endif /* SASL == 2 || SASL >= 20000 */ 15064562Sgshapiro# if defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) 15164562Sgshapiro# define SASL_VERSION (SASL_VERSION_MAJOR * 10000) + (SASL_VERSION_MINOR * 100) + SASL_VERSION_STEP 15298121Sgshapiro# if SASL == 1 || SASL == 2 15364562Sgshapiro# undef SASL 15464562Sgshapiro# define SASL SASL_VERSION 15598121Sgshapiro# else /* SASL == 1 || SASL == 2 */ 15664562Sgshapiro# if SASL != SASL_VERSION 15764562Sgshapiro ERROR README: -DSASL (SASL) does not agree with the version of the CYRUS_SASL library (SASL_VERSION) 15864562Sgshapiro ERROR README: see README! 15964562Sgshapiro# endif /* SASL != SASL_VERSION */ 16098121Sgshapiro# endif /* SASL == 1 || SASL == 2 */ 16164562Sgshapiro# else /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */ 16264562Sgshapiro# if SASL == 1 16364562Sgshapiro ERROR README: please set -DSASL to the version of the CYRUS_SASL library 16464562Sgshapiro ERROR README: see README! 16564562Sgshapiro# endif /* SASL == 1 */ 16664562Sgshapiro# endif /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */ 16764562Sgshapiro#endif /* SASL */ 16864562Sgshapiro 16938032Speter/* 17038032Speter** Following are "sort of" configuration constants, but they should 17138032Speter** be pretty solid on most architectures today. They have to be 17238032Speter** defined after <arpa/nameser.h> because some versions of that 17338032Speter** file also define them. In all cases, we can't use sizeof because 17438032Speter** some systems (e.g., Crays) always treat everything as being at 17538032Speter** least 64 bits. 17638032Speter*/ 17738032Speter 17838032Speter#ifndef INADDRSZ 17938032Speter# define INADDRSZ 4 /* size of an IPv4 address in bytes */ 18064562Sgshapiro#endif /* ! INADDRSZ */ 18164562Sgshapiro#ifndef IN6ADDRSZ 18264562Sgshapiro# define IN6ADDRSZ 16 /* size of an IPv6 address in bytes */ 18364562Sgshapiro#endif /* ! IN6ADDRSZ */ 18438032Speter#ifndef INT16SZ 18538032Speter# define INT16SZ 2 /* size of a 16 bit integer in bytes */ 18664562Sgshapiro#endif /* ! INT16SZ */ 18738032Speter#ifndef INT32SZ 18838032Speter# define INT32SZ 4 /* size of a 32 bit integer in bytes */ 18964562Sgshapiro#endif /* ! INT32SZ */ 19073188Sgshapiro#ifndef INADDR_LOOPBACK 19173188Sgshapiro# define INADDR_LOOPBACK 0x7f000001 /* loopback address */ 19273188Sgshapiro#endif /* ! INADDR_LOOPBACK */ 19338032Speter 19464562Sgshapiro/* 19564562Sgshapiro** Error return from inet_addr(3), in case not defined in /usr/include. 19664562Sgshapiro*/ 19738032Speter 19864562Sgshapiro#ifndef INADDR_NONE 19964562Sgshapiro# define INADDR_NONE 0xffffffff 20064562Sgshapiro#endif /* ! INADDR_NONE */ 20138032Speter 20264562Sgshapiro 203120256Sgshapiro/* (f)open() modes for queue files */ 204120256Sgshapiro# define QF_O_EXTRA 0 205120256Sgshapiro 206120256Sgshapiro 20790792Sgshapiro/* 20890792Sgshapiro** An 'argument class' describes the storage allocation status 20990792Sgshapiro** of an object pointed to by an argument to a function. 21090792Sgshapiro*/ 21190792Sgshapiro 21290792Sgshapirotypedef enum 21390792Sgshapiro{ 21490792Sgshapiro A_HEAP, /* the storage was allocated by malloc, and the 21590792Sgshapiro * ownership of the storage is ceded by the caller 21690792Sgshapiro * to the called function. */ 21790792Sgshapiro A_TEMP, /* The storage is temporary, and is only guaranteed 21890792Sgshapiro * to be valid for the duration of the function call. */ 21990792Sgshapiro A_PERM /* The storage is 'permanent': this might mean static 22090792Sgshapiro * storage, or rpool storage. */ 22190792Sgshapiro} ARGCLASS_T; 22290792Sgshapiro 22338032Speter/* forward references for prototypes */ 22438032Spetertypedef struct envelope ENVELOPE; 22538032Spetertypedef struct mailer MAILER; 22690792Sgshapirotypedef struct queuegrp QUEUEGRP; 22738032Speter 22890792Sgshapiro/* 22938032Speter** Address structure. 23038032Speter** Addresses are stored internally in this structure. 23138032Speter*/ 23238032Speter 23338032Speterstruct address 23438032Speter{ 23538032Speter char *q_paddr; /* the printname for the address */ 23638032Speter char *q_user; /* user name */ 23738032Speter char *q_ruser; /* real user name, or NULL if q_user */ 23838032Speter char *q_host; /* host name */ 23938032Speter struct mailer *q_mailer; /* mailer to use */ 24090792Sgshapiro unsigned long q_flags; /* status flags, see below */ 24138032Speter uid_t q_uid; /* user-id of receiver (if known) */ 24238032Speter gid_t q_gid; /* group-id of receiver (if known) */ 24338032Speter char *q_home; /* home dir (local mailer only) */ 24438032Speter char *q_fullname; /* full name if known */ 24538032Speter struct address *q_next; /* chain */ 24638032Speter struct address *q_alias; /* address this results from */ 24738032Speter char *q_owner; /* owner of q_alias */ 24838032Speter struct address *q_tchain; /* temporary use chain */ 24990792Sgshapiro#if PIPELINING 25090792Sgshapiro struct address *q_pchain; /* chain for pipelining */ 25190792Sgshapiro#endif /* PIPELINING */ 25290792Sgshapiro char *q_finalrcpt; /* Final-Recipient: DSN header */ 25338032Speter char *q_orcpt; /* ORCPT parameter from RCPT TO: line */ 25438032Speter char *q_status; /* status code for DSNs */ 25538032Speter char *q_rstatus; /* remote status message for DSNs */ 25638032Speter time_t q_statdate; /* date of status messages */ 25738032Speter char *q_statmta; /* MTA generating q_rstatus */ 25864562Sgshapiro short q_state; /* address state, see below */ 25990792Sgshapiro char *q_signature; /* MX-based sorting value */ 26090792Sgshapiro int q_qgrp; /* index into queue groups */ 26190792Sgshapiro int q_qdir; /* queue directory inside group */ 26290792Sgshapiro char *q_message; /* error message */ 26338032Speter}; 26438032Speter 26538032Spetertypedef struct address ADDRESS; 26638032Speter 26764562Sgshapiro/* bit values for q_flags */ 26864562Sgshapiro#define QGOODUID 0x00000001 /* the q_uid q_gid fields are good */ 26964562Sgshapiro#define QPRIMARY 0x00000002 /* set from RCPT or argv */ 27064562Sgshapiro#define QNOTREMOTE 0x00000004 /* address not for remote forwarding */ 27164562Sgshapiro#define QSELFREF 0x00000008 /* this address references itself */ 27264562Sgshapiro#define QBOGUSSHELL 0x00000010 /* user has no valid shell listed */ 27364562Sgshapiro#define QUNSAFEADDR 0x00000020 /* address acquired via unsafe path */ 27464562Sgshapiro#define QPINGONSUCCESS 0x00000040 /* give return on successful delivery */ 27564562Sgshapiro#define QPINGONFAILURE 0x00000080 /* give return on failure */ 27664562Sgshapiro#define QPINGONDELAY 0x00000100 /* give return on message delay */ 27790792Sgshapiro#define QHASNOTIFY 0x00000200 /* propagate notify parameter */ 27864562Sgshapiro#define QRELAYED 0x00000400 /* DSN: relayed to non-DSN aware sys */ 27964562Sgshapiro#define QEXPANDED 0x00000800 /* DSN: undergone list expansion */ 28064562Sgshapiro#define QDELIVERED 0x00001000 /* DSN: successful final delivery */ 28164562Sgshapiro#define QDELAYED 0x00002000 /* DSN: message delayed */ 28264562Sgshapiro#define QALIAS 0x00004000 /* expanded alias */ 28390792Sgshapiro#define QBYTRACE 0x00008000 /* DeliverBy: trace */ 28490792Sgshapiro#define QBYNDELAY 0x00010000 /* DeliverBy: notify, delay */ 28590792Sgshapiro#define QBYNRELAY 0x00020000 /* DeliverBy: notify, relayed */ 28664562Sgshapiro#define QTHISPASS 0x40000000 /* temp: address set this pass */ 28764562Sgshapiro#define QRCPTOK 0x80000000 /* recipient() processed address */ 28838032Speter 28964562Sgshapiro#define Q_PINGFLAGS (QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY) 29038032Speter 29164562Sgshapiro/* values for q_state */ 29264562Sgshapiro#define QS_OK 0 /* address ok (for now)/not yet tried */ 29364562Sgshapiro#define QS_SENT 1 /* good address, delivery complete */ 29464562Sgshapiro#define QS_BADADDR 2 /* illegal address */ 29564562Sgshapiro#define QS_QUEUEUP 3 /* save address in queue */ 29690792Sgshapiro#define QS_RETRY 4 /* retry delivery for next MX */ 29790792Sgshapiro#define QS_VERIFIED 5 /* verified, but not expanded */ 29838032Speter 29990792Sgshapiro/* 30090792Sgshapiro** Notice: all of the following values are variations of QS_DONTSEND. 30190792Sgshapiro** If new states are added, they must be inserted in the proper place! 30290792Sgshapiro** See the macro definition of QS_IS_DEAD() down below. 30390792Sgshapiro*/ 30490792Sgshapiro 30590792Sgshapiro#define QS_DONTSEND 6 /* don't send to this address */ 30690792Sgshapiro#define QS_EXPANDED 7 /* expanded */ 30790792Sgshapiro#define QS_SENDER 8 /* message sender (MeToo) */ 30890792Sgshapiro#define QS_CLONED 9 /* addr cloned to split envelope */ 30990792Sgshapiro#define QS_DISCARDED 10 /* rcpt discarded (EF_DISCARD) */ 31090792Sgshapiro#define QS_REPLACED 11 /* maplocaluser()/UserDB replaced */ 31190792Sgshapiro#define QS_REMOVED 12 /* removed (removefromlist()) */ 31290792Sgshapiro#define QS_DUPLICATE 13 /* duplicate suppressed */ 31390792Sgshapiro#define QS_INCLUDED 14 /* :include: delivery */ 314102528Sgshapiro#define QS_FATALERR 15 /* fatal error, don't deliver */ 31590792Sgshapiro 31664562Sgshapiro/* address state testing primitives */ 31764562Sgshapiro#define QS_IS_OK(s) ((s) == QS_OK) 31864562Sgshapiro#define QS_IS_SENT(s) ((s) == QS_SENT) 31964562Sgshapiro#define QS_IS_BADADDR(s) ((s) == QS_BADADDR) 32064562Sgshapiro#define QS_IS_QUEUEUP(s) ((s) == QS_QUEUEUP) 32190792Sgshapiro#define QS_IS_RETRY(s) ((s) == QS_RETRY) 32264562Sgshapiro#define QS_IS_VERIFIED(s) ((s) == QS_VERIFIED) 32364562Sgshapiro#define QS_IS_EXPANDED(s) ((s) == QS_EXPANDED) 32464562Sgshapiro#define QS_IS_REMOVED(s) ((s) == QS_REMOVED) 32564562Sgshapiro#define QS_IS_UNDELIVERED(s) ((s) == QS_OK || \ 32664562Sgshapiro (s) == QS_QUEUEUP || \ 32790792Sgshapiro (s) == QS_RETRY || \ 32864562Sgshapiro (s) == QS_VERIFIED) 32990792Sgshapiro#define QS_IS_UNMARKED(s) ((s) == QS_OK || \ 33090792Sgshapiro (s) == QS_RETRY) 33164562Sgshapiro#define QS_IS_SENDABLE(s) ((s) == QS_OK || \ 33290792Sgshapiro (s) == QS_QUEUEUP || \ 33390792Sgshapiro (s) == QS_RETRY) 33464562Sgshapiro#define QS_IS_ATTEMPTED(s) ((s) == QS_QUEUEUP || \ 33590792Sgshapiro (s) == QS_RETRY || \ 336173340Sgshapiro (s) == QS_SENT || \ 337173340Sgshapiro (s) == QS_DISCARDED) 33890792Sgshapiro#define QS_IS_DEAD(s) ((s) >= QS_DONTSEND) 339223067Sgshapiro#define QS_IS_TEMPFAIL(s) ((s) == QS_QUEUEUP || (s) == QS_RETRY) 34064562Sgshapiro 34164562Sgshapiro#define NULLADDR ((ADDRESS *) NULL) 34264562Sgshapiro 34364562Sgshapiroextern ADDRESS NullAddress; /* a null (template) address [main.c] */ 34464562Sgshapiro 34538032Speter/* functions */ 346168515Sgshapiroextern void cataddr __P((char **, char **, char *, int, int, bool)); 347111823Sgshapiroextern char *crackaddr __P((char *, ENVELOPE *)); 34864562Sgshapiroextern bool emptyaddr __P((ADDRESS *)); 34964562Sgshapiroextern ADDRESS *getctladdr __P((ADDRESS *)); 35064562Sgshapiroextern int include __P((char *, bool, ADDRESS *, ADDRESS **, int, ENVELOPE *)); 35190792Sgshapiroextern bool invalidaddr __P((char *, char *, bool)); 35290792Sgshapiroextern ADDRESS *parseaddr __P((char *, ADDRESS *, int, int, char **, 35390792Sgshapiro ENVELOPE *, bool)); 354132943Sgshapiroextern char **prescan __P((char *, int, char[], int, char **, unsigned char *, bool)); 355132943Sgshapiroextern void printaddr __P((SM_FILE_T *, ADDRESS *, bool)); 35638032Speterextern ADDRESS *recipient __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); 35764562Sgshapiroextern char *remotename __P((char *, MAILER *, int, int *, ENVELOPE *)); 35890792Sgshapiroextern int rewrite __P((char **, int, int, ENVELOPE *, int)); 35938032Speterextern bool sameaddr __P((ADDRESS *, ADDRESS *)); 36038032Speterextern int sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *)); 36190792Sgshapiro#if MILTER 36264562Sgshapiroextern int removefromlist __P((char *, ADDRESS **, ENVELOPE *)); 36390792Sgshapiro#endif /* MILTER */ 36464562Sgshapiroextern void setsender __P((char *, ENVELOPE *, char **, int, bool)); 365168515Sgshapirotypedef void esmtp_args_F __P((ADDRESS *, char *, char *, ENVELOPE *)); 366168515Sgshapiroextern void parse_esmtp_args __P((ENVELOPE *, ADDRESS *, char *, char *, 367168515Sgshapiro char *, char *args[], esmtp_args_F)); 368168515Sgshapiroextern esmtp_args_F mail_esmtp_args; 369168515Sgshapiroextern esmtp_args_F rcpt_esmtp_args; 370168515Sgshapiroextern void reset_mail_esmtp_args __P((ENVELOPE *)); 37164562Sgshapiro 37290792Sgshapiro/* macro to simplify the common call to rewrite() */ 37390792Sgshapiro#define REWRITE(pvp, rs, env) rewrite(pvp, rs, 0, env, MAXATOM) 37490792Sgshapiro 37590792Sgshapiro/* 376168515Sgshapiro** Token Tables for prescan 377168515Sgshapiro*/ 378168515Sgshapiro 379168515Sgshapiroextern unsigned char ExtTokenTab[256]; /* external strings */ 380168515Sgshapiroextern unsigned char IntTokenTab[256]; /* internal strings */ 381168515Sgshapiro 382168515Sgshapiro 383168515Sgshapiro/* 38438032Speter** Mailer definition structure. 38538032Speter** Every mailer known to the system is declared in this 38638032Speter** structure. It defines the pathname of the mailer, some 38738032Speter** flags associated with it, and the argument vector to 38838032Speter** pass to it. The flags are defined in conf.c 38938032Speter** 39038032Speter** The argument vector is expanded before actual use. All 39138032Speter** words except the first are passed through the macro 39238032Speter** processor. 39338032Speter*/ 39438032Speter 39538032Speterstruct mailer 39638032Speter{ 39738032Speter char *m_name; /* symbolic name of this mailer */ 39838032Speter char *m_mailer; /* pathname of the mailer to use */ 39938032Speter char *m_mtatype; /* type of this MTA */ 40038032Speter char *m_addrtype; /* type for addresses */ 40138032Speter char *m_diagtype; /* type for diagnostics */ 40264562Sgshapiro BITMAP256 m_flags; /* status flags, see below */ 40338032Speter short m_mno; /* mailer number internally */ 40438032Speter short m_nice; /* niceness to run at (mostly for prog) */ 40538032Speter char **m_argv; /* template argument vector */ 40638032Speter short m_sh_rwset; /* rewrite set: sender header addresses */ 40738032Speter short m_se_rwset; /* rewrite set: sender envelope addresses */ 40838032Speter short m_rh_rwset; /* rewrite set: recipient header addresses */ 40938032Speter short m_re_rwset; /* rewrite set: recipient envelope addresses */ 41038032Speter char *m_eol; /* end of line string */ 41138032Speter long m_maxsize; /* size limit on message to this mailer */ 41238032Speter int m_linelimit; /* max # characters per line */ 41364562Sgshapiro int m_maxdeliveries; /* max deliveries per mailer connection */ 41438032Speter char *m_execdir; /* directory to chdir to before execv */ 41564562Sgshapiro char *m_rootdir; /* directory to chroot to before execv */ 41638032Speter uid_t m_uid; /* UID to run as */ 41738032Speter gid_t m_gid; /* GID to run as */ 41838032Speter char *m_defcharset; /* default character set */ 41964562Sgshapiro time_t m_wait; /* timeout to wait for end */ 42064562Sgshapiro int m_maxrcpt; /* max recipients per envelope client-side */ 42190792Sgshapiro short m_qgrp; /* queue group for this mailer */ 42238032Speter}; 42338032Speter 42438032Speter/* bits for m_flags */ 42590792Sgshapiro#define M_ESMTP 'a' /* run Extended SMTP */ 42664562Sgshapiro#define M_ALIASABLE 'A' /* user can be LHS of an alias */ 42764562Sgshapiro#define M_BLANKEND 'b' /* ensure blank line at end of message */ 428141858Sgshapiro#define M_STRIPBACKSL 'B' /* strip all leading backslashes from user */ 42964562Sgshapiro#define M_NOCOMMENT 'c' /* don't include comment part of address */ 43064562Sgshapiro#define M_CANONICAL 'C' /* make addresses canonical "u@dom" */ 43164562Sgshapiro#define M_NOBRACKET 'd' /* never angle bracket envelope route-addrs */ 43238032Speter /* 'D' CF: include Date: */ 43364562Sgshapiro#define M_EXPENSIVE 'e' /* it costs to use this mailer.... */ 43464562Sgshapiro#define M_ESCFROM 'E' /* escape From lines to >From */ 43564562Sgshapiro#define M_FOPT 'f' /* mailer takes picky -f flag */ 43638032Speter /* 'F' CF: include From: or Resent-From: */ 43764562Sgshapiro#define M_NO_NULL_FROM 'g' /* sender of errors should be $g */ 43864562Sgshapiro#define M_HST_UPPER 'h' /* preserve host case distinction */ 43964562Sgshapiro#define M_PREHEAD 'H' /* MAIL11V3: preview headers */ 44064562Sgshapiro#define M_UDBENVELOPE 'i' /* do udbsender rewriting on envelope */ 44164562Sgshapiro#define M_INTERNAL 'I' /* SMTP to another sendmail site */ 44264562Sgshapiro#define M_UDBRECIPIENT 'j' /* do udbsender rewriting on recipient lines */ 44364562Sgshapiro#define M_NOLOOPCHECK 'k' /* don't check for loops in HELO command */ 44464562Sgshapiro#define M_CHUNKING 'K' /* CHUNKING: reserved for future use */ 44564562Sgshapiro#define M_LOCALMAILER 'l' /* delivery is to this host */ 44664562Sgshapiro#define M_LIMITS 'L' /* must enforce SMTP line limits */ 44764562Sgshapiro#define M_MUSER 'm' /* can handle multiple users at once */ 44838032Speter /* 'M' CF: include Message-Id: */ 44964562Sgshapiro#define M_NHDR 'n' /* don't insert From line */ 45064562Sgshapiro#define M_MANYSTATUS 'N' /* MAIL11V3: DATA returns multi-status */ 45164562Sgshapiro#define M_RUNASRCPT 'o' /* always run mailer as recipient */ 45264562Sgshapiro#define M_FROMPATH 'p' /* use reverse-path in MAIL FROM: */ 45338032Speter /* 'P' CF: include Return-Path: */ 45464562Sgshapiro#define M_VRFY250 'q' /* VRFY command returns 250 instead of 252 */ 45564562Sgshapiro#define M_ROPT 'r' /* mailer takes picky -r flag */ 45664562Sgshapiro#define M_SECURE_PORT 'R' /* try to send on a reserved TCP port */ 45764562Sgshapiro#define M_STRIPQ 's' /* strip quote chars from user/host */ 45864562Sgshapiro#define M_SPECIFIC_UID 'S' /* run as specific uid/gid */ 45964562Sgshapiro#define M_USR_UPPER 'u' /* preserve user case distinction */ 46064562Sgshapiro#define M_UGLYUUCP 'U' /* this wants an ugly UUCP from line */ 46164562Sgshapiro#define M_CONTENT_LEN 'v' /* add Content-Length: header (SVr4) */ 46238032Speter /* 'V' UIUC: !-relativize all addresses */ 46364562Sgshapiro#define M_HASPWENT 'w' /* check for /etc/passwd entry */ 464132943Sgshapiro#define M_NOHOSTSTAT 'W' /* ignore long term host status information */ 46538032Speter /* 'x' CF: include Full-Name: */ 46664562Sgshapiro#define M_XDOT 'X' /* use hidden-dot algorithm */ 46764562Sgshapiro#define M_LMTP 'z' /* run Local Mail Transport Protocol */ 46890792Sgshapiro#define M_DIALDELAY 'Z' /* apply dial delay sleeptime */ 46964562Sgshapiro#define M_NOMX '0' /* turn off MX lookups */ 47064562Sgshapiro#define M_NONULLS '1' /* don't send null bytes */ 47190792Sgshapiro#define M_FSMTP '2' /* force SMTP (no ESMTP even if offered) */ 47264562Sgshapiro#define M_EBCDIC '3' /* extend Q-P encoding for EBCDIC */ 47364562Sgshapiro#define M_TRYRULESET5 '5' /* use ruleset 5 after local aliasing */ 47464562Sgshapiro#define M_7BITHDRS '6' /* strip headers to 7 bits even in 8 bit path */ 47564562Sgshapiro#define M_7BITS '7' /* use 7-bit path */ 47664562Sgshapiro#define M_8BITS '8' /* force "just send 8" behaviour */ 47764562Sgshapiro#define M_MAKE8BIT '9' /* convert 7 -> 8 bit if appropriate */ 47864562Sgshapiro#define M_CHECKINCLUDE ':' /* check for :include: files */ 47964562Sgshapiro#define M_CHECKPROG '|' /* check for |program addresses */ 48064562Sgshapiro#define M_CHECKFILE '/' /* check for /file addresses */ 48164562Sgshapiro#define M_CHECKUDB '@' /* user can be user database key */ 48264562Sgshapiro#define M_CHECKHDIR '~' /* SGI: check for valid home directory */ 48364562Sgshapiro#define M_HOLD '%' /* Hold delivery until ETRN/-qI/-qR/-qS */ 48464562Sgshapiro#define M_PLUS '+' /* Reserved: Used in mc for adding new flags */ 48564562Sgshapiro#define M_MINUS '-' /* Reserved: Used in mc for removing flags */ 48638032Speter 48764562Sgshapiro/* functions */ 48864562Sgshapiroextern void initerrmailers __P((void)); 48964562Sgshapiroextern void makemailer __P((char *)); 49090792Sgshapiroextern void makequeue __P((char *, bool)); 491141858Sgshapiroextern void runqueueevent __P((int)); 49294334Sgshapiro#if _FFR_QUEUE_RUN_PARANOIA 49394334Sgshapiroextern bool checkqueuerunner __P((void)); 49494334Sgshapiro#endif /* _FFR_QUEUE_RUN_PARANOIA */ 49538032Speter 49690792SgshapiroEXTERN MAILER *FileMailer; /* ptr to *file* mailer */ 49790792SgshapiroEXTERN MAILER *InclMailer; /* ptr to *include* mailer */ 49890792SgshapiroEXTERN MAILER *LocalMailer; /* ptr to local mailer */ 49990792SgshapiroEXTERN MAILER *ProgMailer; /* ptr to program mailer */ 50090792SgshapiroEXTERN MAILER *Mailer[MAXMAILERS + 1]; 50190792Sgshapiro 50290792Sgshapiro/* 50390792Sgshapiro** Queue group definition structure. 50490792Sgshapiro** Every queue group known to the system is declared in this structure. 50590792Sgshapiro** It defines the basic pathname of the queue group, some flags 50690792Sgshapiro** associated with it, and the argument vector to pass to it. 50790792Sgshapiro*/ 50890792Sgshapiro 50990792Sgshapirostruct qpaths_s 51090792Sgshapiro{ 51190792Sgshapiro char *qp_name; /* name of queue dir, relative path */ 51290792Sgshapiro short qp_subdirs; /* use subdirs? */ 51390792Sgshapiro short qp_fsysidx; /* file system index of this directory */ 51490792Sgshapiro# if SM_CONF_SHM 51590792Sgshapiro int qp_idx; /* index into array for queue information */ 51690792Sgshapiro# endif /* SM_CONF_SHM */ 51790792Sgshapiro}; 51890792Sgshapiro 51990792Sgshapirotypedef struct qpaths_s QPATHS; 52090792Sgshapiro 52190792Sgshapirostruct queuegrp 52290792Sgshapiro{ 52390792Sgshapiro char *qg_name; /* symbolic name of this queue group */ 52490792Sgshapiro 52590792Sgshapiro /* 52690792Sgshapiro ** For now this is the same across all queue groups. 52790792Sgshapiro ** Otherwise we have to play around with chdir(). 52890792Sgshapiro */ 52990792Sgshapiro 53090792Sgshapiro char *qg_qdir; /* common component of queue directory */ 53190792Sgshapiro short qg_index; /* queue number internally, index in Queue[] */ 53290792Sgshapiro int qg_maxqrun; /* max # of jobs in 1 queuerun */ 53390792Sgshapiro int qg_numqueues; /* number of queues in this queue */ 53490792Sgshapiro 53590792Sgshapiro /* 53690792Sgshapiro ** qg_queueintvl == 0 denotes that no individual value is used. 53790792Sgshapiro ** Whatever accesses this must deal with "<= 0" as 53890792Sgshapiro ** "not set, use appropriate default". 53990792Sgshapiro */ 54090792Sgshapiro 54190792Sgshapiro time_t qg_queueintvl; /* interval for queue runs */ 54290792Sgshapiro QPATHS *qg_qpaths; /* list of queue directories */ 54390792Sgshapiro BITMAP256 qg_flags; /* status flags, see below */ 54490792Sgshapiro short qg_nice; /* niceness for queue run */ 54590792Sgshapiro int qg_wgrp; /* Assigned to this work group */ 54690792Sgshapiro int qg_maxlist; /* max items in work queue for this group */ 54790792Sgshapiro int qg_curnum; /* current number of queue for queue runs */ 54890792Sgshapiro int qg_maxrcpt; /* max recipients per envelope, 0==no limit */ 54990792Sgshapiro 55094334Sgshapiro time_t qg_nextrun; /* time for next queue runs */ 55194334Sgshapiro#if _FFR_QUEUE_GROUP_SORTORDER 55294334Sgshapiro short qg_sortorder; /* how do we sort this queuerun */ 55394334Sgshapiro#endif /* _FFR_QUEUE_GROUP_SORTORDER */ 55490792Sgshapiro#if 0 55590792Sgshapiro long qg_wkrcptfact; /* multiplier for # recipients -> priority */ 55690792Sgshapiro long qg_qfactor; /* slope of queue function */ 55790792Sgshapiro bool qg_doqueuerun; /* XXX flag is it time to do a queuerun */ 55890792Sgshapiro#endif /* 0 */ 55990792Sgshapiro}; 56090792Sgshapiro 56190792Sgshapiro/* bits for qg_flags (XXX: unused as of now) */ 56290792Sgshapiro#define QD_DEFINED ((char) 1) /* queue group has been defined */ 56390792Sgshapiro#define QD_FORK 'f' /* fork queue runs */ 56490792Sgshapiro 56590792Sgshapiroextern void filesys_update __P((void)); 56690792Sgshapiro#if _FFR_ANY_FREE_FS 56790792Sgshapiroextern bool filesys_free __P((long)); 56890792Sgshapiro#endif /* _FFR_ANY_FREE_FS */ 56990792Sgshapiro 57090792Sgshapiro#if SASL 57190792Sgshapiro/* 57290792Sgshapiro** SASL 57390792Sgshapiro*/ 57490792Sgshapiro 57590792Sgshapiro/* lines in authinfo file or index into SASL_AI_T */ 57690792Sgshapiro# define SASL_WRONG (-1) 57790792Sgshapiro# define SASL_USER 0 /* authorization id (user) */ 57890792Sgshapiro# define SASL_AUTHID 1 /* authentication id */ 57990792Sgshapiro# define SASL_PASSWORD 2 /* password fuer authid */ 58090792Sgshapiro# define SASL_DEFREALM 3 /* realm to use */ 58190792Sgshapiro# define SASL_MECHLIST 4 /* list of mechanisms to try */ 58290792Sgshapiro# define SASL_ID_REALM 5 /* authid@defrealm */ 58390792Sgshapiro 58490792Sgshapiro/* 58590792Sgshapiro** Current mechanism; this is just used to convey information between 58690792Sgshapiro** invocation of SASL callback functions. 58790792Sgshapiro** It must be last in the list, because it's not allocated by us 58890792Sgshapiro** and hence we don't free() it. 58990792Sgshapiro*/ 59090792Sgshapiro# define SASL_MECH 6 59190792Sgshapiro# define SASL_ENTRIES 7 /* number of entries in array */ 59290792Sgshapiro 59390792Sgshapiro# define SASL_USER_BIT (1 << SASL_USER) 59490792Sgshapiro# define SASL_AUTHID_BIT (1 << SASL_AUTHID) 59590792Sgshapiro# define SASL_PASSWORD_BIT (1 << SASL_PASSWORD) 59690792Sgshapiro# define SASL_DEFREALM_BIT (1 << SASL_DEFREALM) 59790792Sgshapiro# define SASL_MECHLIST_BIT (1 << SASL_MECHLIST) 59890792Sgshapiro 59990792Sgshapiro/* authenticated? */ 60090792Sgshapiro# define SASL_NOT_AUTH 0 /* not authenticated */ 60190792Sgshapiro# define SASL_PROC_AUTH 1 /* in process of authenticating */ 60290792Sgshapiro# define SASL_IS_AUTH 2 /* authenticated */ 60390792Sgshapiro 60490792Sgshapiro/* SASL options */ 60590792Sgshapiro# define SASL_AUTH_AUTH 0x1000 /* use auth= only if authenticated */ 60698121Sgshapiro# if SASL >= 20101 60798121Sgshapiro# define SASL_SEC_MASK SASL_SEC_MAXIMUM /* mask for SASL_SEC_* values: sasl.h */ 60898121Sgshapiro# else /* SASL >= 20101 */ 60998121Sgshapiro# define SASL_SEC_MASK 0x0fff /* mask for SASL_SEC_* values: sasl.h */ 61098121Sgshapiro# if (SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 || \ 61190792Sgshapiro (SASL_SEC_NOACTIVE & SASL_SEC_MASK) == 0 || \ 61290792Sgshapiro (SASL_SEC_NODICTIONARY & SASL_SEC_MASK) == 0 || \ 61390792Sgshapiro (SASL_SEC_FORWARD_SECRECY & SASL_SEC_MASK) == 0 || \ 61490792Sgshapiro (SASL_SEC_NOANONYMOUS & SASL_SEC_MASK) == 0 || \ 61590792Sgshapiro (SASL_SEC_PASS_CREDENTIALS & SASL_SEC_MASK) == 0 61690792SgshapiroERROR: change SASL_SEC_MASK_ notify sendmail.org! 61790792Sgshapiro# endif /* SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 ... */ 61898121Sgshapiro# endif /* SASL >= 20101 */ 619203004Sgshapiro# define MAXOUTLEN 8192 /* length of output buffer, should be 2^n */ 62090792Sgshapiro 62190792Sgshapiro/* functions */ 62290792Sgshapiroextern char *intersect __P((char *, char *, SM_RPOOL_T *)); 62390792Sgshapiroextern char *iteminlist __P((char *, char *, char *)); 62498121Sgshapiro# if SASL >= 20000 62598121Sgshapiroextern int proxy_policy __P((sasl_conn_t *, void *, const char *, unsigned, const char *, unsigned, const char *, unsigned, struct propctx *)); 62698121Sgshapiroextern int safesaslfile __P((void *, const char *, sasl_verify_type_t)); 62798121Sgshapiro# else /* SASL >= 20000 */ 62890792Sgshapiroextern int proxy_policy __P((void *, const char *, const char *, const char **, const char **)); 62998121Sgshapiro# if SASL > 10515 63090792Sgshapiroextern int safesaslfile __P((void *, char *, int)); 63198121Sgshapiro# else /* SASL > 10515 */ 63290792Sgshapiroextern int safesaslfile __P((void *, char *)); 63398121Sgshapiro# endif /* SASL > 10515 */ 63498121Sgshapiro# endif /* SASL >= 20000 */ 63590792Sgshapiroextern void stop_sasl_client __P((void)); 63690792Sgshapiro 63790792Sgshapiro/* structure to store authinfo */ 63890792Sgshapirotypedef char *SASL_AI_T[SASL_ENTRIES]; 63990792Sgshapiro 64090792SgshapiroEXTERN char *AuthMechanisms; /* AUTH mechanisms */ 641132943SgshapiroEXTERN char *AuthRealm; /* AUTH realm */ 64290792SgshapiroEXTERN char *SASLInfo; /* file with AUTH info */ 64390792SgshapiroEXTERN int SASLOpts; /* options for SASL */ 64490792SgshapiroEXTERN int MaxSLBits; /* max. encryption bits for SASL */ 64590792Sgshapiro#endif /* SASL */ 64690792Sgshapiro 64790792Sgshapiro/* 64890792Sgshapiro** Structure to store macros. 64990792Sgshapiro*/ 65090792Sgshapirotypedef struct 65190792Sgshapiro{ 65290792Sgshapiro SM_RPOOL_T *mac_rpool; /* resource pool */ 65390792Sgshapiro BITMAP256 mac_allocated; /* storage has been alloc()? */ 65490792Sgshapiro char *mac_table[MAXMACROID + 1]; /* macros */ 65590792Sgshapiro} MACROS_T; 65690792Sgshapiro 65790792SgshapiroEXTERN MACROS_T GlobalMacros; 65890792Sgshapiro 65990792Sgshapiro/* 66038032Speter** Information about currently open connections to mailers, or to 66138032Speter** hosts that we have looked up recently. 66238032Speter*/ 66338032Speter 66464562Sgshapiro#define MCI struct mailer_con_info 66538032Speter 66638032SpeterMCI 66738032Speter{ 66890792Sgshapiro unsigned long mci_flags; /* flag bits, see below */ 66938032Speter short mci_errno; /* error number on last connection */ 67038032Speter short mci_herrno; /* h_errno from last DNS lookup */ 67138032Speter short mci_exitstat; /* exit status from last connection */ 67238032Speter short mci_state; /* SMTP state */ 67364562Sgshapiro int mci_deliveries; /* delivery attempts for connection */ 67438032Speter long mci_maxsize; /* max size this server will accept */ 67590792Sgshapiro SM_FILE_T *mci_in; /* input side of connection */ 67690792Sgshapiro SM_FILE_T *mci_out; /* output side of connection */ 67738032Speter pid_t mci_pid; /* process id of subordinate proc */ 67838032Speter char *mci_phase; /* SMTP phase string */ 67938032Speter struct mailer *mci_mailer; /* ptr to the mailer for this conn */ 68038032Speter char *mci_host; /* host name */ 68138032Speter char *mci_status; /* DSN status to be copied to addrs */ 68238032Speter char *mci_rstatus; /* SMTP status to be copied to addrs */ 68338032Speter time_t mci_lastuse; /* last usage time */ 68490792Sgshapiro SM_FILE_T *mci_statfile; /* long term status file */ 68564562Sgshapiro char *mci_heloname; /* name to use as HELO arg */ 68690792Sgshapiro long mci_min_by; /* minimum DELIVERBY */ 68790792Sgshapiro bool mci_retryrcpt; /* tempfail for at least one rcpt */ 68890792Sgshapiro char *mci_tolist; /* list of valid recipients */ 68990792Sgshapiro SM_RPOOL_T *mci_rpool; /* resource pool */ 69090792Sgshapiro#if PIPELINING 69190792Sgshapiro int mci_okrcpts; /* number of valid recipients */ 69290792Sgshapiro ADDRESS *mci_nextaddr; /* next address for pipelined status */ 69390792Sgshapiro#endif /* PIPELINING */ 69464562Sgshapiro#if SASL 69590792Sgshapiro SASL_AI_T mci_sai; /* authentication info */ 69664562Sgshapiro bool mci_sasl_auth; /* authenticated? */ 69764562Sgshapiro int mci_sasl_string_len; 69864562Sgshapiro char *mci_sasl_string; /* sasl reply string */ 69964562Sgshapiro char *mci_saslcap; /* SASL list of mechanisms */ 70064562Sgshapiro sasl_conn_t *mci_conn; /* SASL connection */ 70164562Sgshapiro#endif /* SASL */ 70264562Sgshapiro#if STARTTLS 70364562Sgshapiro SSL *mci_ssl; /* SSL connection */ 70464562Sgshapiro#endif /* STARTTLS */ 70590792Sgshapiro MACROS_T mci_macro; /* macro definitions */ 70638032Speter}; 70738032Speter 70838032Speter 70938032Speter/* flag bits */ 71064562Sgshapiro#define MCIF_VALID 0x00000001 /* this entry is valid */ 71190792Sgshapiro/* 0x00000002 unused, was MCIF_TEMP */ 71264562Sgshapiro#define MCIF_CACHED 0x00000004 /* currently in open cache */ 71364562Sgshapiro#define MCIF_ESMTP 0x00000008 /* this host speaks ESMTP */ 71464562Sgshapiro#define MCIF_EXPN 0x00000010 /* EXPN command supported */ 71564562Sgshapiro#define MCIF_SIZE 0x00000020 /* SIZE option supported */ 71664562Sgshapiro#define MCIF_8BITMIME 0x00000040 /* BODY=8BITMIME supported */ 71764562Sgshapiro#define MCIF_7BIT 0x00000080 /* strip this message to 7 bits */ 71894334Sgshapiro/* 0x00000100 unused, was MCIF_MULTSTAT: MAIL11V3: handles MULT status */ 71964562Sgshapiro#define MCIF_INHEADER 0x00000200 /* currently outputing header */ 72064562Sgshapiro#define MCIF_CVT8TO7 0x00000400 /* convert from 8 to 7 bits */ 72164562Sgshapiro#define MCIF_DSN 0x00000800 /* DSN extension supported */ 72264562Sgshapiro#define MCIF_8BITOK 0x00001000 /* OK to send 8 bit characters */ 72364562Sgshapiro#define MCIF_CVT7TO8 0x00002000 /* convert from 7 to 8 bits */ 72464562Sgshapiro#define MCIF_INMIME 0x00004000 /* currently reading MIME header */ 72564562Sgshapiro#define MCIF_AUTH 0x00008000 /* AUTH= supported */ 72664562Sgshapiro#define MCIF_AUTHACT 0x00010000 /* SASL (AUTH) active */ 72764562Sgshapiro#define MCIF_ENHSTAT 0x00020000 /* ENHANCEDSTATUSCODES supported */ 72890792Sgshapiro#define MCIF_PIPELINED 0x00040000 /* PIPELINING supported */ 729110560Sgshapiro#define MCIF_VERB 0x00080000 /* VERB supported */ 73064562Sgshapiro#if STARTTLS 73164562Sgshapiro#define MCIF_TLS 0x00100000 /* STARTTLS supported */ 73264562Sgshapiro#define MCIF_TLSACT 0x00200000 /* STARTTLS active */ 73364562Sgshapiro#else /* STARTTLS */ 734223067Sgshapiro#define MCIF_TLS 0 735223067Sgshapiro#define MCIF_TLSACT 0 73664562Sgshapiro#endif /* STARTTLS */ 73790792Sgshapiro#define MCIF_DLVR_BY 0x00400000 /* DELIVERBY */ 73890792Sgshapiro#if _FFR_IGNORE_EXT_ON_HELO 73990792Sgshapiro# define MCIF_HELO 0x00800000 /* we used HELO: ignore extensions */ 74090792Sgshapiro#endif /* _FFR_IGNORE_EXT_ON_HELO */ 741173340Sgshapiro#define MCIF_INLONGLINE 0x01000000 /* in the middle of a long line */ 742223067Sgshapiro#define MCIF_AUTH2 0x02000000 /* got 2 AUTH lines */ 74371345Sgshapiro#define MCIF_ONLY_EHLO 0x10000000 /* use only EHLO in smtpinit */ 74438032Speter 745223067Sgshapiro#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS | MCIF_AUTH2) 746223067Sgshapiro 74738032Speter/* states */ 74838032Speter#define MCIS_CLOSED 0 /* no traffic on this connection */ 74938032Speter#define MCIS_OPENING 1 /* sending initial protocol */ 75038032Speter#define MCIS_OPEN 2 /* open, initial protocol sent */ 75190792Sgshapiro#define MCIS_MAIL 3 /* MAIL command sent */ 75290792Sgshapiro#define MCIS_RCPT 4 /* RCPT commands being sent */ 75390792Sgshapiro#define MCIS_DATA 5 /* DATA command sent */ 75490792Sgshapiro#define MCIS_QUITING 6 /* running quit protocol */ 75590792Sgshapiro#define MCIS_SSD 7 /* service shutting down */ 75690792Sgshapiro#define MCIS_ERROR 8 /* I/O error on connection */ 75738032Speter 75838032Speter/* functions */ 75938032Speterextern void mci_cache __P((MCI *)); 760141867Sgshapiroextern void mci_close __P((MCI *, char *where)); 761132943Sgshapiroextern void mci_dump __P((SM_FILE_T *, MCI *, bool)); 762132943Sgshapiroextern void mci_dump_all __P((SM_FILE_T *, bool)); 76364562Sgshapiroextern void mci_flush __P((bool, MCI *)); 764223067Sgshapiroextern void mci_clr_extensions __P((MCI *)); 76564562Sgshapiroextern MCI *mci_get __P((char *, MAILER *)); 76664562Sgshapiroextern int mci_lock_host __P((MCI *)); 76764562Sgshapiroextern bool mci_match __P((char *, MAILER *)); 76838032Speterextern int mci_print_persistent __P((char *, char *)); 76938032Speterextern int mci_purge_persistent __P((char *, char *)); 77064562Sgshapiroextern MCI **mci_scan __P((MCI *)); 77164562Sgshapiroextern void mci_setstat __P((MCI *, int, char *, char *)); 77264562Sgshapiroextern void mci_store_persistent __P((MCI *)); 773168515Sgshapiroextern int mci_traverse_persistent __P((int (*)(char *, char *), char *)); 77438032Speterextern void mci_unlock_host __P((MCI *)); 77564562Sgshapiro 77690792SgshapiroEXTERN int MaxMciCache; /* maximum entries in MCI cache */ 77790792SgshapiroEXTERN time_t MciCacheTimeout; /* maximum idle time on connections */ 77890792SgshapiroEXTERN time_t MciInfoTimeout; /* how long 'til we retry down hosts */ 77990792Sgshapiro 78090792Sgshapiro/* 78138032Speter** Header structure. 78238032Speter** This structure is used internally to store header items. 78338032Speter*/ 78438032Speter 78538032Speterstruct header 78638032Speter{ 78738032Speter char *h_field; /* the name of the field */ 78838032Speter char *h_value; /* the value of that field */ 78938032Speter struct header *h_link; /* the next header */ 79090792Sgshapiro unsigned char h_macro; /* include header if macro defined */ 79190792Sgshapiro unsigned long h_flags; /* status bits, see below */ 79264562Sgshapiro BITMAP256 h_mflags; /* m_flags bits needed */ 79338032Speter}; 79438032Speter 79538032Spetertypedef struct header HDR; 79638032Speter 79738032Speter/* 79838032Speter** Header information structure. 79938032Speter** Defined in conf.c, this struct declares the header fields 80038032Speter** that have some magic meaning. 80138032Speter*/ 80238032Speter 80338032Speterstruct hdrinfo 80438032Speter{ 80590792Sgshapiro char *hi_field; /* the name of the field */ 80690792Sgshapiro unsigned long hi_flags; /* status bits, see below */ 80790792Sgshapiro char *hi_ruleset; /* validity check ruleset */ 80838032Speter}; 80938032Speter 81038032Speterextern struct hdrinfo HdrInfo[]; 81138032Speter 81238032Speter/* bits for h_flags and hi_flags */ 81364562Sgshapiro#define H_EOH 0x00000001 /* field terminates header */ 81464562Sgshapiro#define H_RCPT 0x00000002 /* contains recipient addresses */ 81564562Sgshapiro#define H_DEFAULT 0x00000004 /* if another value is found, drop this */ 81664562Sgshapiro#define H_RESENT 0x00000008 /* this address is a "Resent-..." address */ 81764562Sgshapiro#define H_CHECK 0x00000010 /* check h_mflags against m_flags */ 81864562Sgshapiro#define H_ACHECK 0x00000020 /* ditto, but always (not just default) */ 81964562Sgshapiro#define H_FORCE 0x00000040 /* force this field, even if default */ 82064562Sgshapiro#define H_TRACE 0x00000080 /* this field contains trace information */ 82164562Sgshapiro#define H_FROM 0x00000100 /* this is a from-type field */ 82264562Sgshapiro#define H_VALID 0x00000200 /* this field has a validated value */ 82364562Sgshapiro#define H_RECEIPTTO 0x00000400 /* field has return receipt info */ 82464562Sgshapiro#define H_ERRORSTO 0x00000800 /* field has error address info */ 82564562Sgshapiro#define H_CTE 0x00001000 /* field is a content-transfer-encoding */ 82664562Sgshapiro#define H_CTYPE 0x00002000 /* this is a content-type field */ 82764562Sgshapiro#define H_BCC 0x00004000 /* Bcc: header: strip value or delete */ 82864562Sgshapiro#define H_ENCODABLE 0x00008000 /* field can be RFC 1522 encoded */ 82964562Sgshapiro#define H_STRIPCOMM 0x00010000 /* header check: strip comments */ 83064562Sgshapiro#define H_BINDLATE 0x00020000 /* only expand macros at deliver */ 83164562Sgshapiro#define H_USER 0x00040000 /* header came from the user/SMTP */ 83238032Speter 83364562Sgshapiro/* bits for chompheader() */ 83464562Sgshapiro#define CHHDR_DEF 0x0001 /* default header */ 83564562Sgshapiro#define CHHDR_CHECK 0x0002 /* call ruleset for header */ 83664562Sgshapiro#define CHHDR_USER 0x0004 /* header from user */ 83790792Sgshapiro#define CHHDR_QUEUE 0x0008 /* header from queue file */ 83864562Sgshapiro 83938032Speter/* functions */ 840168515Sgshapiroextern void addheader __P((char *, char *, int, ENVELOPE *, bool)); 84190792Sgshapiroextern unsigned long chompheader __P((char *, int, HDR **, ENVELOPE *)); 842173340Sgshapiroextern bool commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *, int)); 84390792Sgshapiroextern HDR *copyheader __P((HDR *, SM_RPOOL_T *)); 84490792Sgshapiroextern void eatheader __P((ENVELOPE *, bool, bool)); 84564562Sgshapiroextern char *hvalue __P((char *, HDR *)); 846168515Sgshapiroextern void insheader __P((int, char *, char *, int, ENVELOPE *, bool)); 84764562Sgshapiroextern bool isheader __P((char *)); 848157001Sgshapiroextern bool putfromline __P((MCI *, ENVELOPE *)); 84964562Sgshapiroextern void setupheaders __P((void)); 85064562Sgshapiro 85190792Sgshapiro/* 85264562Sgshapiro** Performance monitoring 85364562Sgshapiro*/ 85464562Sgshapiro 85564562Sgshapiro#define TIMERS struct sm_timers 85664562Sgshapiro 85764562SgshapiroTIMERS 85864562Sgshapiro{ 85964562Sgshapiro TIMER ti_overall; /* the whole process */ 86064562Sgshapiro}; 86164562Sgshapiro 86264562Sgshapiro 86364562Sgshapiro#define PUSHTIMER(l, t) { if (tTd(98, l)) pushtimer(&t); } 86464562Sgshapiro#define POPTIMER(l, t) { if (tTd(98, l)) poptimer(&t); } 86564562Sgshapiro 86690792Sgshapiro/* 86738032Speter** Envelope structure. 86838032Speter** This structure defines the message itself. There is usually 86938032Speter** only one of these -- for the message that we originally read 87038032Speter** and which is our primary interest -- but other envelopes can 87138032Speter** be generated during processing. For example, error messages 87238032Speter** will have their own envelope. 87338032Speter*/ 87438032Speter 87538032Speterstruct envelope 87638032Speter{ 87738032Speter HDR *e_header; /* head of header list */ 87838032Speter long e_msgpriority; /* adjusted priority of this message */ 87938032Speter time_t e_ctime; /* time message appeared in the queue */ 88090792Sgshapiro char *e_to; /* (list of) target person(s) */ 88138032Speter ADDRESS e_from; /* the person it is from */ 88238032Speter char *e_sender; /* e_from.q_paddr w comments stripped */ 88338032Speter char **e_fromdomain; /* the domain part of the sender */ 88438032Speter ADDRESS *e_sendqueue; /* list of message recipients */ 88538032Speter ADDRESS *e_errorqueue; /* the queue for error responses */ 88666494Sgshapiro 88766494Sgshapiro /* 88866494Sgshapiro ** Overflow detection is based on < 0, so don't change this 88966494Sgshapiro ** to unsigned. We don't use unsigned and == ULONG_MAX because 89066494Sgshapiro ** some libc's don't have strtoul(), see mail_esmtp_args(). 89166494Sgshapiro */ 89290792Sgshapiro 89338032Speter long e_msgsize; /* size of the message in bytes */ 89490792Sgshapiro char *e_msgid; /* message id (for logging) */ 89590792Sgshapiro unsigned long e_flags; /* flags, see below */ 89638032Speter int e_nrcpts; /* number of recipients */ 89738032Speter short e_class; /* msg class (priority, junk, etc.) */ 89838032Speter short e_hopcount; /* number of times processed */ 89938032Speter short e_nsent; /* number of sends since checkpoint */ 90038032Speter short e_sendmode; /* message send mode */ 90138032Speter short e_errormode; /* error return mode */ 90238032Speter short e_timeoutclass; /* message timeout class */ 903157001Sgshapiro bool (*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int)); 90438032Speter /* function to put header of message */ 905157001Sgshapiro bool (*e_putbody)__P((MCI *, ENVELOPE *, char *)); 90638032Speter /* function to put body of message */ 90764562Sgshapiro ENVELOPE *e_parent; /* the message this one encloses */ 90864562Sgshapiro ENVELOPE *e_sibling; /* the next envelope of interest */ 90938032Speter char *e_bodytype; /* type of message body */ 91090792Sgshapiro SM_FILE_T *e_dfp; /* data file */ 91138032Speter char *e_id; /* code for this entry in queue */ 912173340Sgshapiro#if _FFR_SESSID 913173340Sgshapiro char *e_sessid; /* session ID for this envelope */ 914173340Sgshapiro#endif /* _FFR_SESSID */ 91590792Sgshapiro int e_qgrp; /* queue group (index into queues) */ 91690792Sgshapiro int e_qdir; /* index into queue directories */ 91790792Sgshapiro int e_dfqgrp; /* data file queue group index */ 91890792Sgshapiro int e_dfqdir; /* data file queue directory index */ 91990792Sgshapiro int e_xfqgrp; /* queue group (index into queues) */ 92090792Sgshapiro int e_xfqdir; /* index into queue directories (xf) */ 92190792Sgshapiro SM_FILE_T *e_xfp; /* transcript file */ 92290792Sgshapiro SM_FILE_T *e_lockfp; /* the lock file for this message */ 923168515Sgshapiro char *e_message; /* error message; readonly; NULL, 924168515Sgshapiro * or allocated from e_rpool */ 92590792Sgshapiro char *e_statmsg; /* stat msg (changes per delivery). 92690792Sgshapiro * readonly. NULL or allocated from 92790792Sgshapiro * e_rpool. */ 92890792Sgshapiro char *e_quarmsg; /* why envelope is quarantined */ 92990792Sgshapiro char e_qfletter; /* queue file letter on disk */ 93038032Speter char *e_msgboundary; /* MIME-style message part boundary */ 93138032Speter char *e_origrcpt; /* original recipient (one only) */ 93238032Speter char *e_envid; /* envelope id from MAIL FROM: line */ 93338032Speter char *e_status; /* DSN status for this message */ 93438032Speter time_t e_dtime; /* time of last delivery attempt */ 93538032Speter int e_ntries; /* number of delivery attempts */ 93690792Sgshapiro dev_t e_dfdev; /* data file device (crash recovery) */ 93790792Sgshapiro ino_t e_dfino; /* data file inode (crash recovery) */ 93890792Sgshapiro MACROS_T e_macro; /* macro definitions */ 93990792Sgshapiro MCI *e_mci; /* connection info */ 94090792Sgshapiro char *e_auth_param; /* readonly; NULL or static storage or 94190792Sgshapiro * allocated from e_rpool */ 94264562Sgshapiro TIMERS e_timers; /* per job timers */ 94390792Sgshapiro long e_deliver_by; /* deliver by */ 94490792Sgshapiro int e_dlvr_flag; /* deliver by flag */ 94590792Sgshapiro SM_RPOOL_T *e_rpool; /* resource pool for this envelope */ 946168515Sgshapiro unsigned int e_features; /* server features */ 947203004Sgshapiro#if _FFR_MILTER_ENHSC 948203004Sgshapiro#define ENHSC_LEN 11 949203004Sgshapiro char e_enhsc[ENHSC_LEN]; /* enhanced status code */ 950203004Sgshapiro#endif /* _FFR_MILTER_ENHSC */ 95138032Speter}; 95238032Speter 953244833Sgshapiro#define PRT_NONNEGL(v) ((v) < 0 ? LONG_MAX : (v)) 954244833Sgshapiro 95538032Speter/* values for e_flags */ 956102528Sgshapiro#define EF_OLDSTYLE 0x00000001L /* use spaces (not commas) in hdrs */ 957102528Sgshapiro#define EF_INQUEUE 0x00000002L /* this message is fully queued */ 958102528Sgshapiro#define EF_NO_BODY_RETN 0x00000004L /* omit message body on error */ 959102528Sgshapiro#define EF_CLRQUEUE 0x00000008L /* disk copy is no longer needed */ 960102528Sgshapiro#define EF_SENDRECEIPT 0x00000010L /* send a return receipt */ 961102528Sgshapiro#define EF_FATALERRS 0x00000020L /* fatal errors occurred */ 962102528Sgshapiro#define EF_DELETE_BCC 0x00000040L /* delete Bcc: headers entirely */ 963102528Sgshapiro#define EF_RESPONSE 0x00000080L /* this is an error or return receipt */ 964102528Sgshapiro#define EF_RESENT 0x00000100L /* this message is being forwarded */ 965102528Sgshapiro#define EF_VRFYONLY 0x00000200L /* verify only (don't expand aliases) */ 966102528Sgshapiro#define EF_WARNING 0x00000400L /* warning message has been sent */ 967102528Sgshapiro#define EF_QUEUERUN 0x00000800L /* this envelope is from queue */ 968102528Sgshapiro#define EF_GLOBALERRS 0x00001000L /* treat errors as global */ 969102528Sgshapiro#define EF_PM_NOTIFY 0x00002000L /* send return mail to postmaster */ 970102528Sgshapiro#define EF_METOO 0x00004000L /* send to me too */ 971102528Sgshapiro#define EF_LOGSENDER 0x00008000L /* need to log the sender */ 972102528Sgshapiro#define EF_NORECEIPT 0x00010000L /* suppress all return-receipts */ 973102528Sgshapiro#define EF_HAS8BIT 0x00020000L /* at least one 8-bit char in body */ 974102528Sgshapiro#define EF_NL_NOT_EOL 0x00040000L /* don't accept raw NL as EOLine */ 975102528Sgshapiro#define EF_CRLF_NOT_EOL 0x00080000L /* don't accept CR-LF as EOLine */ 976102528Sgshapiro#define EF_RET_PARAM 0x00100000L /* RCPT command had RET argument */ 977102528Sgshapiro#define EF_HAS_DF 0x00200000L /* set when data file is instantiated */ 978102528Sgshapiro#define EF_IS_MIME 0x00400000L /* really is a MIME message */ 979102528Sgshapiro#define EF_DONT_MIME 0x00800000L /* never MIME this message */ 980102528Sgshapiro#define EF_DISCARD 0x01000000L /* discard the message */ 981102528Sgshapiro#define EF_TOOBIG 0x02000000L /* message is too big */ 982102528Sgshapiro#define EF_SPLIT 0x04000000L /* envelope has been split */ 983102528Sgshapiro#define EF_UNSAFE 0x08000000L /* unsafe: read from untrusted source */ 984159609Sgshapiro#define EF_TOODEEP 0x10000000L /* message is nested too deep */ 98538032Speter 98690792Sgshapiro#define DLVR_NOTIFY 0x01 98790792Sgshapiro#define DLVR_RETURN 0x02 98890792Sgshapiro#define DLVR_TRACE 0x10 98990792Sgshapiro#define IS_DLVR_NOTIFY(e) (((e)->e_dlvr_flag & DLVR_NOTIFY) != 0) 99090792Sgshapiro#define IS_DLVR_RETURN(e) (((e)->e_dlvr_flag & DLVR_RETURN) != 0) 99190792Sgshapiro#define IS_DLVR_TRACE(e) (((e)->e_dlvr_flag & DLVR_TRACE) != 0) 99290792Sgshapiro#define IS_DLVR_BY(e) ((e)->e_dlvr_flag != 0) 99338032Speter 99490792Sgshapiro#define BODYTYPE_NONE (0) 99590792Sgshapiro#define BODYTYPE_7BIT (1) 99690792Sgshapiro#define BODYTYPE_8BITMIME (2) 99790792Sgshapiro#define BODYTYPE_ILLEGAL (-1) 99890792Sgshapiro#define BODYTYPE_VALID(b) ((b) == BODYTYPE_7BIT || (b) == BODYTYPE_8BITMIME) 99990792Sgshapiro 100090792Sgshapiroextern ENVELOPE BlankEnvelope; 100190792Sgshapiro 100238032Speter/* functions */ 100390792Sgshapiroextern void clearenvelope __P((ENVELOPE *, bool, SM_RPOOL_T *)); 1004203004Sgshapiroextern int dropenvelope __P((ENVELOPE *, bool, bool)); 100590792Sgshapiroextern ENVELOPE *newenvelope __P((ENVELOPE *, ENVELOPE *, SM_RPOOL_T *)); 1006110560Sgshapiroextern void clrsessenvelope __P((ENVELOPE *)); 100764562Sgshapiroextern void printenvflags __P((ENVELOPE *)); 1008157001Sgshapiroextern bool putbody __P((MCI *, ENVELOPE *, char *)); 1009157001Sgshapiroextern bool putheader __P((MCI *, HDR *, ENVELOPE *, int)); 101038032Speter 101190792Sgshapiro/* 101238032Speter** Message priority classes. 101338032Speter** 101438032Speter** The message class is read directly from the Priority: header 101538032Speter** field in the message. 101638032Speter** 101738032Speter** CurEnv->e_msgpriority is the number of bytes in the message plus 101838032Speter** the creation time (so that jobs ``tend'' to be ordered correctly), 101938032Speter** adjusted by the message class, the number of recipients, and the 102038032Speter** amount of time the message has been sitting around. This number 102138032Speter** is used to order the queue. Higher values mean LOWER priority. 102238032Speter** 102338032Speter** Each priority class point is worth WkClassFact priority points; 102438032Speter** each recipient is worth WkRecipFact priority points. Each time 102538032Speter** we reprocess a message the priority is adjusted by WkTimeFact. 102638032Speter** WkTimeFact should normally decrease the priority so that jobs 102738032Speter** that have historically failed will be run later; thanks go to 102838032Speter** Jay Lepreau at Utah for pointing out the error in my thinking. 102938032Speter** 103038032Speter** The "class" is this number, unadjusted by the age or size of 103138032Speter** this message. Classes with negative representations will have 103238032Speter** error messages thrown away if they are not local. 103338032Speter*/ 103438032Speter 103538032Speterstruct priority 103638032Speter{ 103738032Speter char *pri_name; /* external name of priority */ 103838032Speter int pri_val; /* internal value for same */ 103938032Speter}; 104038032Speter 104190792SgshapiroEXTERN int NumPriorities; /* pointer into Priorities */ 104290792SgshapiroEXTERN struct priority Priorities[MAXPRIORITIES]; 104390792Sgshapiro 104490792Sgshapiro/* 104538032Speter** Rewrite rules. 104638032Speter*/ 104738032Speter 104838032Speterstruct rewrite 104938032Speter{ 105038032Speter char **r_lhs; /* pattern match */ 105138032Speter char **r_rhs; /* substitution value */ 105238032Speter struct rewrite *r_next;/* next in chain */ 105364562Sgshapiro int r_line; /* rule line in sendmail.cf */ 105438032Speter}; 105538032Speter 105638032Speter/* 105738032Speter** Special characters in rewriting rules. 105838032Speter** These are used internally only. 105938032Speter** The COND* rules are actually used in macros rather than in 106038032Speter** rewriting rules, but are given here because they 106138032Speter** cannot conflict. 106238032Speter*/ 106338032Speter 1064168515Sgshapiro/* "out of band" indicator */ 1065168515Sgshapiro/* sm/sendmail.h #define METAQUOTE ((unsigned char)0377) quotes the next octet */ 1066168515Sgshapiro 106738032Speter/* left hand side items */ 106890792Sgshapiro#define MATCHZANY ((unsigned char)0220) /* match zero or more tokens */ 106990792Sgshapiro#define MATCHANY ((unsigned char)0221) /* match one or more tokens */ 107090792Sgshapiro#define MATCHONE ((unsigned char)0222) /* match exactly one token */ 107190792Sgshapiro#define MATCHCLASS ((unsigned char)0223) /* match one token in a class */ 1072168515Sgshapiro#define MATCHNCLASS ((unsigned char)0224) /* match tokens not in class */ 107338032Speter 107438032Speter/* right hand side items */ 1075168515Sgshapiro#define MATCHREPL ((unsigned char)0225) /* RHS replacement for above */ 107690792Sgshapiro#define CANONNET ((unsigned char)0226) /* canonical net, next token */ 107790792Sgshapiro#define CANONHOST ((unsigned char)0227) /* canonical host, next token */ 107890792Sgshapiro#define CANONUSER ((unsigned char)0230) /* canonical user, next N tokens */ 107990792Sgshapiro#define CALLSUBR ((unsigned char)0231) /* call another rewriting set */ 108038032Speter 1081168515Sgshapiro/* conditionals in macros (anywhere) */ 108290792Sgshapiro#define CONDIF ((unsigned char)0232) /* conditional if-then */ 108390792Sgshapiro#define CONDELSE ((unsigned char)0233) /* conditional else */ 108490792Sgshapiro#define CONDFI ((unsigned char)0234) /* conditional fi */ 108538032Speter 1086168515Sgshapiro/* bracket characters for RHS host name lookup */ 108790792Sgshapiro#define HOSTBEGIN ((unsigned char)0235) /* hostname lookup begin */ 1088168515Sgshapiro#define HOSTEND ((unsigned char)0236) /* hostname lookup end */ 108938032Speter 1090168515Sgshapiro/* bracket characters for RHS generalized lookup */ 109190792Sgshapiro#define LOOKUPBEGIN ((unsigned char)0205) /* generalized lookup begin */ 109290792Sgshapiro#define LOOKUPEND ((unsigned char)0206) /* generalized lookup end */ 109338032Speter 1094168515Sgshapiro/* macro substitution characters (anywhere) */ 109590792Sgshapiro#define MACROEXPAND ((unsigned char)0201) /* macro expansion */ 109690792Sgshapiro#define MACRODEXPAND ((unsigned char)0202) /* deferred macro expansion */ 109738032Speter 109838032Speter/* to make the code clearer */ 109964562Sgshapiro#define MATCHZERO CANONHOST 110038032Speter 110182017Sgshapiro#define MAXMATCH 9 /* max params per rewrite */ 1102120256Sgshapiro#define MAX_MAP_ARGS 10 /* max arguments for map */ 110382017Sgshapiro 110438032Speter/* external <==> internal mapping table */ 110538032Speterstruct metamac 110638032Speter{ 110790792Sgshapiro char metaname; /* external code (after $) */ 110890792Sgshapiro unsigned char metaval; /* internal code (as above) */ 110938032Speter}; 111038032Speter 111138032Speter/* values for macros with external names only */ 111264562Sgshapiro#define MID_OPMODE 0202 /* operation mode */ 111338032Speter 111438032Speter/* functions */ 111590792Sgshapiro#if SM_HEAP_CHECK 111690792Sgshapiroextern void 111790792Sgshapiromacdefine_tagged __P(( 111890792Sgshapiro MACROS_T *_mac, 111990792Sgshapiro ARGCLASS_T _vclass, 112090792Sgshapiro int _id, 112190792Sgshapiro char *_value, 112290792Sgshapiro char *_file, 112390792Sgshapiro int _line, 112490792Sgshapiro int _group)); 112590792Sgshapiro# define macdefine(mac,c,id,v) \ 112690792Sgshapiro macdefine_tagged(mac,c,id,v,__FILE__,__LINE__,sm_heap_group()) 112790792Sgshapiro#else /* SM_HEAP_CHECK */ 112890792Sgshapiroextern void 112990792Sgshapiromacdefine __P(( 113090792Sgshapiro MACROS_T *_mac, 113190792Sgshapiro ARGCLASS_T _vclass, 113290792Sgshapiro int _id, 113390792Sgshapiro char *_value)); 113490792Sgshapiro# define macdefine_tagged(mac,c,id,v,file,line,grp) macdefine(mac,c,id,v) 113590792Sgshapiro#endif /* SM_HEAP_CHECK */ 113690792Sgshapiroextern void macset __P((MACROS_T *, int, char *)); 113790792Sgshapiro#define macget(mac, i) (mac)->mac_table[i] 113838032Speterextern void expand __P((char *, char *, size_t, ENVELOPE *)); 113990792Sgshapiroextern int macid_parse __P((char *, char **)); 114090792Sgshapiro#define macid(name) macid_parse(name, NULL) 114164562Sgshapiroextern char *macname __P((int)); 114238032Speterextern char *macvalue __P((int, ENVELOPE *)); 1143168515Sgshapiroextern int rscheck __P((char *, char *, char *, ENVELOPE *, int, int, char *, char *, ADDRESS *)); 114490792Sgshapiroextern int rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int)); 114564562Sgshapiroextern void setclass __P((int, char *)); 114664562Sgshapiroextern int strtorwset __P((char *, char **, int)); 1147168515Sgshapiroextern char *translate_dollars __P((char *, char *, int *)); 114864562Sgshapiroextern bool wordinclass __P((char *, int)); 114964562Sgshapiro 115090792Sgshapiro/* 115138032Speter** Name canonification short circuit. 115238032Speter** 115338032Speter** If the name server for a host is down, the process of trying to 115438032Speter** canonify the name can hang. This is similar to (but alas, not 115538032Speter** identical to) looking up the name for delivery. This stab type 115638032Speter** caches the result of the name server lookup so we don't hang 115738032Speter** multiple times. 115838032Speter*/ 115938032Speter 116038032Speter#define NAMECANON struct _namecanon 116138032Speter 116238032SpeterNAMECANON 116338032Speter{ 116438032Speter short nc_errno; /* cached errno */ 116538032Speter short nc_herrno; /* cached h_errno */ 116638032Speter short nc_stat; /* cached exit status code */ 116738032Speter short nc_flags; /* flag bits */ 116838032Speter char *nc_cname; /* the canonical name */ 116990792Sgshapiro time_t nc_exp; /* entry expires at */ 117038032Speter}; 117138032Speter 117238032Speter/* values for nc_flags */ 117338032Speter#define NCF_VALID 0x0001 /* entry valid */ 117464562Sgshapiro 117590792Sgshapiro/* hostsignature structure */ 117690792Sgshapiro 117790792Sgshapirostruct hostsig_t 117890792Sgshapiro{ 117990792Sgshapiro char *hs_sig; /* hostsignature */ 118090792Sgshapiro time_t hs_exp; /* entry expires at */ 118190792Sgshapiro}; 118290792Sgshapiro 118390792Sgshapirotypedef struct hostsig_t HOSTSIG_T; 118490792Sgshapiro 1185223067Sgshapiro/* 1186223067Sgshapiro** The standard udp packet size PACKETSZ (512) is not sufficient for some 1187223067Sgshapiro** nameserver answers containing very many resource records. The resolver 1188223067Sgshapiro** may switch to tcp and retry if it detects udp packet overflow. 1189223067Sgshapiro** Also note that the resolver routines res_query and res_search return 1190223067Sgshapiro** the size of the *un*truncated answer in case the supplied answer buffer 1191223067Sgshapiro** it not big enough to accommodate the entire answer. 1192223067Sgshapiro*/ 1193223067Sgshapiro 1194223067Sgshapiro# ifndef MAXPACKET 1195223067Sgshapiro# define MAXPACKET 8192 /* max packet size used internally by BIND */ 1196223067Sgshapiro# endif /* ! MAXPACKET */ 1197223067Sgshapiro 1198223067Sgshapiro/* 1199223067Sgshapiro** The resolver functions res_{send,query,querydomain} expect the 1200223067Sgshapiro** answer buffer to be aligned, but some versions of gcc4 reverse 1201223067Sgshapiro** 25 years of history and no longer align char buffers on the 1202223067Sgshapiro** stack, resulting in crashes on strict-alignment platforms. Use 1203223067Sgshapiro** this union when putting the buffer on the stack to force the 1204223067Sgshapiro** alignment, then cast to (HEADER *) or (unsigned char *) as needed. 1205223067Sgshapiro*/ 1206223067Sgshapirotypedef union 1207223067Sgshapiro{ 1208223067Sgshapiro HEADER qb1; 1209223067Sgshapiro unsigned char qb2[MAXPACKET]; 1210223067Sgshapiro} querybuf; 1211223067Sgshapiro 121264562Sgshapiro/* functions */ 121390792Sgshapiroextern bool getcanonname __P((char *, int, bool, int *)); 121490792Sgshapiroextern int getmxrr __P((char *, char **, unsigned short *, bool, int *, bool, int *)); 121590792Sgshapiroextern char *hostsignature __P((MAILER *, char *)); 121690792Sgshapiroextern int getfallbackmxrr __P((char *)); 121764562Sgshapiro 121890792Sgshapiro/* 121938032Speter** Mapping functions 122038032Speter** 122138032Speter** These allow arbitrary mappings in the config file. The idea 122238032Speter** (albeit not the implementation) comes from IDA sendmail. 122338032Speter*/ 122438032Speter 122564562Sgshapiro#define MAPCLASS struct _mapclass 122664562Sgshapiro#define MAP struct _map 122764562Sgshapiro#define MAXMAPACTIONS 5 /* size of map_actions array */ 122838032Speter 122938032Speter 123038032Speter/* 123138032Speter** An actual map. 123238032Speter*/ 123338032Speter 123438032SpeterMAP 123538032Speter{ 123638032Speter MAPCLASS *map_class; /* the class of this map */ 123790792Sgshapiro MAPCLASS *map_orgclass; /* the original class of this map */ 123838032Speter char *map_mname; /* name of this map */ 123938032Speter long map_mflags; /* flags, see below */ 124038032Speter char *map_file; /* the (nominal) filename */ 124138032Speter ARBPTR_T map_db1; /* the open database ptr */ 124238032Speter ARBPTR_T map_db2; /* an "extra" database pointer */ 124338032Speter char *map_keycolnm; /* key column name */ 124438032Speter char *map_valcolnm; /* value column name */ 124590792Sgshapiro unsigned char map_keycolno; /* key column number */ 124690792Sgshapiro unsigned char map_valcolno; /* value column number */ 124738032Speter char map_coldelim; /* column delimiter */ 124864562Sgshapiro char map_spacesub; /* spacesub */ 124938032Speter char *map_app; /* to append to successful matches */ 125038032Speter char *map_tapp; /* to append to "tempfail" matches */ 125138032Speter char *map_domain; /* the (nominal) NIS domain */ 125238032Speter char *map_rebuild; /* program to run to do auto-rebuild */ 125338032Speter time_t map_mtime; /* last database modification time */ 125490792Sgshapiro time_t map_timeout; /* timeout for map accesses */ 125590792Sgshapiro int map_retry; /* # of retries for map accesses */ 125642575Speter pid_t map_pid; /* PID of process which opened map */ 125738032Speter int map_lockfd; /* auxiliary lock file descriptor */ 125838032Speter short map_specificity; /* specificity of aliases */ 125938032Speter MAP *map_stack[MAXMAPSTACK]; /* list for stacked maps */ 126038032Speter short map_return[MAXMAPACTIONS]; /* return bitmaps for stacked maps */ 126138032Speter}; 126238032Speter 126364562Sgshapiro 126438032Speter/* bit values for map_mflags */ 126564562Sgshapiro#define MF_VALID 0x00000001 /* this entry is valid */ 126664562Sgshapiro#define MF_INCLNULL 0x00000002 /* include null byte in key */ 126764562Sgshapiro#define MF_OPTIONAL 0x00000004 /* don't complain if map not found */ 126864562Sgshapiro#define MF_NOFOLDCASE 0x00000008 /* don't fold case in keys */ 126964562Sgshapiro#define MF_MATCHONLY 0x00000010 /* don't use the map value */ 127064562Sgshapiro#define MF_OPEN 0x00000020 /* this entry is open */ 127164562Sgshapiro#define MF_WRITABLE 0x00000040 /* open for writing */ 127264562Sgshapiro#define MF_ALIAS 0x00000080 /* this is an alias file */ 127364562Sgshapiro#define MF_TRY0NULL 0x00000100 /* try with no null byte */ 127464562Sgshapiro#define MF_TRY1NULL 0x00000200 /* try with the null byte */ 127564562Sgshapiro#define MF_LOCKED 0x00000400 /* this map is currently locked */ 127664562Sgshapiro#define MF_ALIASWAIT 0x00000800 /* alias map in aliaswait state */ 127764562Sgshapiro#define MF_IMPL_HASH 0x00001000 /* implicit: underlying hash database */ 127864562Sgshapiro#define MF_IMPL_NDBM 0x00002000 /* implicit: underlying NDBM database */ 127990792Sgshapiro/* 0x00004000 */ 128064562Sgshapiro#define MF_APPEND 0x00008000 /* append new entry on rebuild */ 128164562Sgshapiro#define MF_KEEPQUOTES 0x00010000 /* don't dequote key before lookup */ 128264562Sgshapiro#define MF_NODEFER 0x00020000 /* don't defer if map lookup fails */ 128364562Sgshapiro#define MF_REGEX_NOT 0x00040000 /* regular expression negation */ 128464562Sgshapiro#define MF_DEFER 0x00080000 /* don't lookup map in defer mode */ 128564562Sgshapiro#define MF_SINGLEMATCH 0x00100000 /* successful only if match one key */ 1286157001Sgshapiro#define MF_SINGLEDN 0x00200000 /* only one match, but multi values */ 128790792Sgshapiro#define MF_FILECLASS 0x00400000 /* this is a file class map */ 128890792Sgshapiro#define MF_OPENBOGUS 0x00800000 /* open failed, don't call map_close */ 128990792Sgshapiro#define MF_CLOSING 0x01000000 /* map is being closed */ 129038032Speter 1291223067Sgshapiro#define DYNOPENMAP(map) \ 1292223067Sgshapiro do \ 1293223067Sgshapiro { \ 1294223067Sgshapiro if (!bitset(MF_OPEN, (map)->map_mflags)) \ 1295223067Sgshapiro { \ 1296223067Sgshapiro if (!openmap(map)) \ 1297223067Sgshapiro return NULL; \ 1298223067Sgshapiro } \ 1299223067Sgshapiro } while (0) 130064562Sgshapiro 130164562Sgshapiro 130238032Speter/* indices for map_actions */ 130364562Sgshapiro#define MA_NOTFOUND 0 /* member map returned "not found" */ 130464562Sgshapiro#define MA_UNAVAIL 1 /* member map is not available */ 130564562Sgshapiro#define MA_TRYAGAIN 2 /* member map returns temp failure */ 130638032Speter 130790792Sgshapiro/* macros to handle MapTempFail */ 130890792Sgshapiro#define BIT_IS_MTP 0x01 /* temp.failure occurred */ 130990792Sgshapiro#define BIT_ASK_MTP 0x02 /* do we care about MapTempFail? */ 131090792Sgshapiro#define RESET_MAPTEMPFAIL MapTempFail = 0 131190792Sgshapiro#define INIT_MAPTEMPFAIL MapTempFail = BIT_ASK_MTP 131290792Sgshapiro#define SET_MAPTEMPFAIL MapTempFail |= BIT_IS_MTP 131390792Sgshapiro#define IS_MAPTEMPFAIL bitset(BIT_IS_MTP, MapTempFail) 131490792Sgshapiro#define ASK_MAPTEMPFAIL bitset(BIT_ASK_MTP, MapTempFail) 131590792Sgshapiro 131638032Speter/* 131738032Speter** The class of a map -- essentially the functions to call 131838032Speter*/ 131938032Speter 132038032SpeterMAPCLASS 132138032Speter{ 132238032Speter char *map_cname; /* name of this map class */ 132338032Speter char *map_ext; /* extension for database file */ 132438032Speter short map_cflags; /* flag bits, see below */ 132538032Speter bool (*map_parse)__P((MAP *, char *)); 132638032Speter /* argument parsing function */ 132738032Speter char *(*map_lookup)__P((MAP *, char *, char **, int *)); 132838032Speter /* lookup function */ 132938032Speter void (*map_store)__P((MAP *, char *, char *)); 133038032Speter /* store function */ 133138032Speter bool (*map_open)__P((MAP *, int)); 133238032Speter /* open function */ 133338032Speter void (*map_close)__P((MAP *)); 133438032Speter /* close function */ 133538032Speter}; 133638032Speter 133738032Speter/* bit values for map_cflags */ 133838032Speter#define MCF_ALIASOK 0x0001 /* can be used for aliases */ 133938032Speter#define MCF_ALIASONLY 0x0002 /* usable only for aliases */ 134038032Speter#define MCF_REBUILDABLE 0x0004 /* can rebuild alias files */ 134138032Speter#define MCF_OPTFILE 0x0008 /* file name is optional */ 134290792Sgshapiro#define MCF_NOTPERSIST 0x0010 /* don't keep map open all the time */ 134338032Speter 134438032Speter/* functions */ 134590792Sgshapiroextern void closemaps __P((bool)); 134664562Sgshapiroextern bool impl_map_open __P((MAP *, int)); 134764562Sgshapiroextern void initmaps __P((void)); 134864562Sgshapiroextern MAP *makemapentry __P((char *)); 134964562Sgshapiroextern void maplocaluser __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); 135038032Speterextern char *map_rewrite __P((MAP *, const char *, size_t, char **)); 135164562Sgshapiro#if NETINFO 135264562Sgshapiroextern char *ni_propval __P((char *, char *, char *, char *, int)); 135364562Sgshapiro#endif /* NETINFO */ 135464562Sgshapiroextern bool openmap __P((MAP *)); 1355168515Sgshapiroextern int udbexpand __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); 135664562Sgshapiro#if USERDB 135764562Sgshapiroextern void _udbx_close __P((void)); 135890792Sgshapiroextern char *udbsender __P((char *, SM_RPOOL_T *)); 135964562Sgshapiro#endif /* USERDB */ 136090792Sgshapiro 136190792Sgshapiro/* 136264562Sgshapiro** LDAP related items 136364562Sgshapiro*/ 136490792Sgshapiro#if LDAPMAP 136564562Sgshapiro/* struct defining LDAP Auth Methods */ 136664562Sgshapirostruct lamvalues 136764562Sgshapiro{ 136864562Sgshapiro char *lam_name; /* name of LDAP auth method */ 136964562Sgshapiro int lam_code; /* numeric code */ 137064562Sgshapiro}; 137164562Sgshapiro 137264562Sgshapiro/* struct defining LDAP Alias Dereferencing */ 137364562Sgshapirostruct ladvalues 137464562Sgshapiro{ 137564562Sgshapiro char *lad_name; /* name of LDAP alias dereferencing method */ 137664562Sgshapiro int lad_code; /* numeric code */ 137764562Sgshapiro}; 137864562Sgshapiro 137964562Sgshapiro/* struct defining LDAP Search Scope */ 138064562Sgshapirostruct lssvalues 138164562Sgshapiro{ 138264562Sgshapiro char *lss_name; /* name of LDAP search scope */ 138364562Sgshapiro int lss_code; /* numeric code */ 138464562Sgshapiro}; 138564562Sgshapiro 138664562Sgshapiro/* functions */ 138764562Sgshapiroextern bool ldapmap_parseargs __P((MAP *, char *)); 138864562Sgshapiroextern void ldapmap_set_defaults __P((char *)); 138964562Sgshapiro#endif /* LDAPMAP */ 139064562Sgshapiro 139190792Sgshapiro/* 139264562Sgshapiro** PH related items 139364562Sgshapiro*/ 139464562Sgshapiro 139590792Sgshapiro#if PH_MAP 139690792Sgshapiro 139790792Sgshapiro# include <phclient.h> 139890792Sgshapiro 139964562Sgshapirostruct ph_map_struct 140064562Sgshapiro{ 140190792Sgshapiro char *ph_servers; /* list of ph servers */ 140290792Sgshapiro char *ph_field_list; /* list of fields to search for match */ 140390792Sgshapiro PH *ph; /* PH server handle */ 140490792Sgshapiro int ph_fastclose; /* send "quit" command on close */ 140590792Sgshapiro time_t ph_timeout; /* timeout interval */ 140664562Sgshapiro}; 140764562Sgshapirotypedef struct ph_map_struct PH_MAP_STRUCT; 140864562Sgshapiro 140964562Sgshapiro#endif /* PH_MAP */ 1410132943Sgshapiro 141190792Sgshapiro/* 1412132943Sgshapiro** Regular UNIX sockaddrs are too small to handle ISO addresses, so 1413132943Sgshapiro** we are forced to declare a supertype here. 1414132943Sgshapiro*/ 1415132943Sgshapiro 1416132943Sgshapiro#if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 1417132943Sgshapirounion bigsockaddr 1418132943Sgshapiro{ 1419132943Sgshapiro struct sockaddr sa; /* general version */ 1420132943Sgshapiro# if NETUNIX 1421132943Sgshapiro struct sockaddr_un sunix; /* UNIX family */ 1422132943Sgshapiro# endif /* NETUNIX */ 1423132943Sgshapiro# if NETINET 1424132943Sgshapiro struct sockaddr_in sin; /* INET family */ 1425132943Sgshapiro# endif /* NETINET */ 1426132943Sgshapiro# if NETINET6 1427132943Sgshapiro struct sockaddr_in6 sin6; /* INET/IPv6 */ 1428132943Sgshapiro# endif /* NETINET6 */ 1429132943Sgshapiro# if NETISO 1430132943Sgshapiro struct sockaddr_iso siso; /* ISO family */ 1431132943Sgshapiro# endif /* NETISO */ 1432132943Sgshapiro# if NETNS 1433132943Sgshapiro struct sockaddr_ns sns; /* XNS family */ 1434132943Sgshapiro# endif /* NETNS */ 1435132943Sgshapiro# if NETX25 1436132943Sgshapiro struct sockaddr_x25 sx25; /* X.25 family */ 1437132943Sgshapiro# endif /* NETX25 */ 1438132943Sgshapiro}; 1439132943Sgshapiro 1440132943Sgshapiro# define SOCKADDR union bigsockaddr 1441132943Sgshapiro 1442132943Sgshapiro/* functions */ 1443132943Sgshapiroextern char *anynet_ntoa __P((SOCKADDR *)); 1444132943Sgshapiro# if NETINET6 1445132943Sgshapiroextern char *anynet_ntop __P((struct in6_addr *, char *, size_t)); 1446132943Sgshapiroextern int anynet_pton __P((int, const char *, void *)); 1447132943Sgshapiro# endif /* NETINET6 */ 1448132943Sgshapiroextern char *hostnamebyanyaddr __P((SOCKADDR *)); 1449132943Sgshapiroextern char *validate_connection __P((SOCKADDR *, char *, ENVELOPE *)); 1450132943Sgshapiro# if SASL >= 20000 1451132943Sgshapiroextern bool iptostring __P((SOCKADDR *, SOCKADDR_LEN_T, char *, unsigned)); 1452132943Sgshapiro# endif /* SASL >= 20000 */ 1453132943Sgshapiro 1454132943Sgshapiro#endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */ 1455132943Sgshapiro 1456132943Sgshapiro/* 145764562Sgshapiro** Process List (proclist) 145864562Sgshapiro*/ 145964562Sgshapiro 146064562Sgshapiro#define NO_PID ((pid_t) 0) 146164562Sgshapiro#ifndef PROC_LIST_SEG 146264562Sgshapiro# define PROC_LIST_SEG 32 /* number of pids to alloc at a time */ 146364562Sgshapiro#endif /* ! PROC_LIST_SEG */ 146464562Sgshapiro 146564562Sgshapiro/* process types */ 146664562Sgshapiro#define PROC_NONE 0 146764562Sgshapiro#define PROC_DAEMON 1 146864562Sgshapiro#define PROC_DAEMON_CHILD 2 146964562Sgshapiro#define PROC_QUEUE 3 147064562Sgshapiro#define PROC_QUEUE_CHILD 3 147164562Sgshapiro#define PROC_CONTROL 4 147264562Sgshapiro#define PROC_CONTROL_CHILD 5 147364562Sgshapiro 147464562Sgshapiro/* functions */ 1475132943Sgshapiroextern void proc_list_add __P((pid_t, char *, int, int, int, SOCKADDR *)); 147664562Sgshapiroextern void proc_list_clear __P((void)); 147790792Sgshapiroextern void proc_list_display __P((SM_FILE_T *, char *)); 147890792Sgshapiroextern void proc_list_drop __P((pid_t, int, int *)); 147964562Sgshapiroextern void proc_list_probe __P((void)); 148064562Sgshapiroextern void proc_list_set __P((pid_t, char *)); 148190792Sgshapiroextern void proc_list_signal __P((int, int)); 148264562Sgshapiro 148390792Sgshapiro/* 148438032Speter** Symbol table definitions 148538032Speter*/ 148638032Speter 148738032Speterstruct symtab 148838032Speter{ 148938032Speter char *s_name; /* name to be entered */ 149090792Sgshapiro short s_symtype; /* general type (see below) */ 149138032Speter struct symtab *s_next; /* pointer to next in chain */ 149238032Speter union 149338032Speter { 149464562Sgshapiro BITMAP256 sv_class; /* bit-map of word classes */ 149538032Speter MAILER *sv_mailer; /* pointer to mailer */ 149638032Speter char *sv_alias; /* alias */ 149738032Speter MAPCLASS sv_mapclass; /* mapping function class */ 149838032Speter MAP sv_map; /* mapping function */ 149990792Sgshapiro HOSTSIG_T sv_hostsig; /* host signature */ 150038032Speter MCI sv_mci; /* mailer connection info */ 150138032Speter NAMECANON sv_namecanon; /* canonical name cache */ 150238032Speter int sv_macro; /* macro name => id mapping */ 150338032Speter int sv_ruleset; /* ruleset index */ 150438032Speter struct hdrinfo sv_header; /* header metainfo */ 150538032Speter char *sv_service[MAXMAPSTACK]; /* service switch */ 150690792Sgshapiro#if LDAPMAP 150777349Sgshapiro MAP *sv_lmap; /* Maps for LDAP connection */ 150864562Sgshapiro#endif /* LDAPMAP */ 1509132943Sgshapiro#if SOCKETMAP 1510132943Sgshapiro MAP *sv_socketmap; /* Maps for SOCKET connection */ 1511132943Sgshapiro#endif /* SOCKETMAP */ 151290792Sgshapiro#if MILTER 151364562Sgshapiro struct milter *sv_milter; /* milter filter name */ 151490792Sgshapiro#endif /* MILTER */ 151590792Sgshapiro QUEUEGRP *sv_queue; /* pointer to queue */ 151638032Speter } s_value; 151738032Speter}; 151838032Speter 151938032Spetertypedef struct symtab STAB; 152038032Speter 152138032Speter/* symbol types */ 152264562Sgshapiro#define ST_UNDEF 0 /* undefined type */ 152364562Sgshapiro#define ST_CLASS 1 /* class map */ 1524244833Sgshapiro/* #define ST_unused 2 UNUSED */ 152564562Sgshapiro#define ST_MAILER 3 /* a mailer header */ 152664562Sgshapiro#define ST_ALIAS 4 /* an alias */ 152764562Sgshapiro#define ST_MAPCLASS 5 /* mapping function class */ 152864562Sgshapiro#define ST_MAP 6 /* mapping function */ 152964562Sgshapiro#define ST_HOSTSIG 7 /* host signature */ 153064562Sgshapiro#define ST_NAMECANON 8 /* cached canonical name */ 153164562Sgshapiro#define ST_MACRO 9 /* macro name to id mapping */ 153264562Sgshapiro#define ST_RULESET 10 /* ruleset index */ 153364562Sgshapiro#define ST_SERVICE 11 /* service switch entry */ 153464562Sgshapiro#define ST_HEADER 12 /* special header flags */ 153590792Sgshapiro#if LDAPMAP 153677349Sgshapiro# define ST_LMAP 13 /* List head of maps for LDAP connection */ 153764562Sgshapiro#endif /* LDAPMAP */ 153890792Sgshapiro#if MILTER 153964562Sgshapiro# define ST_MILTER 14 /* milter filter */ 154090792Sgshapiro#endif /* MILTER */ 154190792Sgshapiro#define ST_QUEUE 15 /* a queue entry */ 154290792Sgshapiro 1543132943Sgshapiro#if SOCKETMAP 1544132943Sgshapiro# define ST_SOCKETMAP 16 /* List head of maps for SOCKET connection */ 1545132943Sgshapiro#endif /* SOCKETMAP */ 1546132943Sgshapiro 154790792Sgshapiro/* This entry must be last */ 1548132943Sgshapiro#define ST_MCI 17 /* mailer connection info (offset) */ 154938032Speter 155064562Sgshapiro#define s_class s_value.sv_class 155164562Sgshapiro#define s_mailer s_value.sv_mailer 155264562Sgshapiro#define s_alias s_value.sv_alias 155364562Sgshapiro#define s_mci s_value.sv_mci 155464562Sgshapiro#define s_mapclass s_value.sv_mapclass 155564562Sgshapiro#define s_hostsig s_value.sv_hostsig 155664562Sgshapiro#define s_map s_value.sv_map 155764562Sgshapiro#define s_namecanon s_value.sv_namecanon 155864562Sgshapiro#define s_macro s_value.sv_macro 155964562Sgshapiro#define s_ruleset s_value.sv_ruleset 156064562Sgshapiro#define s_service s_value.sv_service 156164562Sgshapiro#define s_header s_value.sv_header 156290792Sgshapiro#if LDAPMAP 156377349Sgshapiro# define s_lmap s_value.sv_lmap 156464562Sgshapiro#endif /* LDAPMAP */ 1565132943Sgshapiro#if SOCKETMAP 1566132943Sgshapiro# define s_socketmap s_value.sv_socketmap 1567132943Sgshapiro#endif /* SOCKETMAP */ 156890792Sgshapiro#if MILTER 156964562Sgshapiro# define s_milter s_value.sv_milter 157090792Sgshapiro#endif /* MILTER */ 157190792Sgshapiro#define s_quegrp s_value.sv_queue 157238032Speter 157364562Sgshapiro/* opcodes to stab */ 157464562Sgshapiro#define ST_FIND 0 /* find entry */ 157564562Sgshapiro#define ST_ENTER 1 /* enter if not there */ 157638032Speter 157764562Sgshapiro/* functions */ 157864562Sgshapiroextern STAB *stab __P((char *, int, int)); 157964562Sgshapiroextern void stabapply __P((void (*)(STAB *, int), int)); 158064562Sgshapiro 158190792Sgshapiro/* 158238032Speter** Operation, send, error, and MIME modes 158338032Speter** 158438032Speter** The operation mode describes the basic operation of sendmail. 158538032Speter** This can be set from the command line, and is "send mail" by 158638032Speter** default. 158738032Speter** 158838032Speter** The send mode tells how to send mail. It can be set in the 158990792Sgshapiro** configuration file. Its setting determines how quickly the 159038032Speter** mail will be delivered versus the load on your system. If the 159138032Speter** -v (verbose) flag is given, it will be forced to SM_DELIVER 159238032Speter** mode. 159338032Speter** 159438032Speter** The error mode tells how to return errors. 159538032Speter*/ 159638032Speter 159738032Speter#define MD_DELIVER 'm' /* be a mail sender */ 159838032Speter#define MD_SMTP 's' /* run SMTP on standard input */ 159938032Speter#define MD_ARPAFTP 'a' /* obsolete ARPANET mode (Grey Book) */ 160038032Speter#define MD_DAEMON 'd' /* run as a daemon */ 160138032Speter#define MD_FGDAEMON 'D' /* run daemon in foreground */ 1602182352Sgshapiro#define MD_LOCAL 'l' /* like daemon, but localhost only */ 160338032Speter#define MD_VERIFY 'v' /* verify: don't collect or deliver */ 160438032Speter#define MD_TEST 't' /* test mode: resolve addrs only */ 160538032Speter#define MD_INITALIAS 'i' /* initialize alias database */ 160638032Speter#define MD_PRINT 'p' /* print the queue */ 160790792Sgshapiro#define MD_PRINTNQE 'P' /* print number of entries in queue */ 160838032Speter#define MD_FREEZE 'z' /* freeze the configuration file */ 160938032Speter#define MD_HOSTSTAT 'h' /* print persistent host stat info */ 161038032Speter#define MD_PURGESTAT 'H' /* purge persistent host stat info */ 161164562Sgshapiro#define MD_QUEUERUN 'q' /* queue run */ 1612203004Sgshapiro#define MD_CHECKCONFIG 'C' /* check configuration file */ 161338032Speter 1614182352Sgshapiro#if _FFR_LOCAL_DAEMON 1615182352SgshapiroEXTERN bool LocalDaemon; 1616223067Sgshapiro# if NETINET6 1617223067SgshapiroEXTERN bool V6LoopbackAddrFound; /* found an IPv6 loopback address */ 1618223067Sgshapiro# define SETV6LOOPBACKADDRFOUND(sa) \ 1619223067Sgshapiro do \ 1620223067Sgshapiro { \ 1621223067Sgshapiro if (isloopback(sa)) \ 1622223067Sgshapiro V6LoopbackAddrFound = true; \ 1623223067Sgshapiro } while (0) 1624223067Sgshapiro# endif /* NETINET6 */ 1625182352Sgshapiro#else /* _FFR_LOCAL_DAEMON */ 1626182352Sgshapiro# define LocalDaemon false 1627223067Sgshapiro# define V6LoopbackAddrFound false 1628223067Sgshapiro# define SETV6LOOPBACKADDRFOUND(sa) 1629182352Sgshapiro#endif /* _FFR_LOCAL_DAEMON */ 1630182352Sgshapiro 163190792Sgshapiro/* Note: see also include/sendmail/pathnames.h: GET_CLIENT_CF */ 163290792Sgshapiro 163338032Speter/* values for e_sendmode -- send modes */ 163438032Speter#define SM_DELIVER 'i' /* interactive delivery */ 163538032Speter#define SM_FORK 'b' /* deliver in background */ 1636157001Sgshapiro#if _FFR_DM_ONE 1637157001Sgshapiro#define SM_DM_ONE 'o' /* deliver first TA in background, then queue */ 1638157001Sgshapiro#endif /* _FFR_DM_ONE */ 163938032Speter#define SM_QUEUE 'q' /* queue, don't deliver */ 164038032Speter#define SM_DEFER 'd' /* defer map lookups as well as queue */ 164138032Speter#define SM_VERIFY 'v' /* verify only (used internally) */ 1642157001Sgshapiro#define DM_NOTSET (-1) /* DeliveryMode (per daemon) option not set */ 1643223067Sgshapiro# define SM_IS_INTERACTIVE(m) ((m) == SM_DELIVER) 164438032Speter 164590792Sgshapiro#define WILL_BE_QUEUED(m) ((m) == SM_QUEUE || (m) == SM_DEFER) 164664562Sgshapiro 164738032Speter/* used only as a parameter to sendall */ 164838032Speter#define SM_DEFAULT '\0' /* unspecified, use SendMode */ 164938032Speter 165064562Sgshapiro/* functions */ 165164562Sgshapiroextern void set_delivery_mode __P((int, ENVELOPE *)); 165238032Speter 165338032Speter/* values for e_errormode -- error handling modes */ 165438032Speter#define EM_PRINT 'p' /* print errors */ 165538032Speter#define EM_MAIL 'm' /* mail back errors */ 165638032Speter#define EM_WRITE 'w' /* write back errors */ 165738032Speter#define EM_BERKNET 'e' /* special berknet processing */ 165838032Speter#define EM_QUIET 'q' /* don't print messages (stat only) */ 165938032Speter 166038032Speter 166138032Speter/* bit values for MimeMode */ 166238032Speter#define MM_CVTMIME 0x0001 /* convert 8 to 7 bit MIME */ 166338032Speter#define MM_PASS8BIT 0x0002 /* just send 8 bit data blind */ 166438032Speter#define MM_MIME8BIT 0x0004 /* convert 8-bit data to MIME */ 166538032Speter 166638032Speter 166738032Speter/* how to handle messages without any recipient addresses */ 166838032Speter#define NRA_NO_ACTION 0 /* just leave it as is */ 166938032Speter#define NRA_ADD_TO 1 /* add To: header */ 167038032Speter#define NRA_ADD_APPARENTLY_TO 2 /* add Apparently-To: header */ 167138032Speter#define NRA_ADD_BCC 3 /* add empty Bcc: header */ 167238032Speter#define NRA_ADD_TO_UNDISCLOSED 4 /* add To: undisclosed:; header */ 167338032Speter 167438032Speter 167538032Speter/* flags to putxline */ 167638032Speter#define PXLF_NOTHINGSPECIAL 0 /* no special mapping */ 167738032Speter#define PXLF_MAPFROM 0x0001 /* map From_ to >From_ */ 167838032Speter#define PXLF_STRIP8BIT 0x0002 /* strip 8th bit */ 167938032Speter#define PXLF_HEADER 0x0004 /* map newlines in headers */ 168094334Sgshapiro#define PXLF_NOADDEOL 0x0008 /* if EOL not present, don't add one */ 1681168515Sgshapiro#define PXLF_STRIPMQUOTE 0x0010 /* strip METAQUOTEs */ 168238032Speter 168338032Speter/* 168438032Speter** Privacy flags 168538032Speter** These are bit values for the PrivacyFlags word. 168638032Speter*/ 168738032Speter 168890792Sgshapiro#define PRIV_PUBLIC 0 /* what have I got to hide? */ 168990792Sgshapiro#define PRIV_NEEDMAILHELO 0x00000001 /* insist on HELO for MAIL */ 169090792Sgshapiro#define PRIV_NEEDEXPNHELO 0x00000002 /* insist on HELO for EXPN */ 169190792Sgshapiro#define PRIV_NEEDVRFYHELO 0x00000004 /* insist on HELO for VRFY */ 169290792Sgshapiro#define PRIV_NOEXPN 0x00000008 /* disallow EXPN command */ 169390792Sgshapiro#define PRIV_NOVRFY 0x00000010 /* disallow VRFY command */ 169490792Sgshapiro#define PRIV_AUTHWARNINGS 0x00000020 /* flag possible auth probs */ 169590792Sgshapiro#define PRIV_NOVERB 0x00000040 /* disallow VERB command */ 169690792Sgshapiro#define PRIV_RESTRICTMAILQ 0x00010000 /* restrict mailq command */ 169790792Sgshapiro#define PRIV_RESTRICTQRUN 0x00020000 /* restrict queue run */ 169890792Sgshapiro#define PRIV_RESTRICTEXPAND 0x00040000 /* restrict alias/forward expansion */ 169990792Sgshapiro#define PRIV_NOETRN 0x00080000 /* disallow ETRN command */ 170090792Sgshapiro#define PRIV_NOBODYRETN 0x00100000 /* do not return bodies on bounces */ 170190792Sgshapiro#define PRIV_NORECEIPTS 0x00200000 /* disallow return receipts */ 1702168515Sgshapiro#define PRIV_NOACTUALRECIPIENT 0x00400000 /* no X-Actual-Recipient in DSNs */ 170338032Speter 1704168515Sgshapiro/* don't give no info, anyway, anyhow (in the main SMTP transaction) */ 170590792Sgshapiro#define PRIV_GOAWAY 0x0000ffff 170664562Sgshapiro 170738032Speter/* struct defining such things */ 170838032Speterstruct prival 170938032Speter{ 171090792Sgshapiro char *pv_name; /* name of privacy flag */ 171190792Sgshapiro unsigned long pv_flag; /* numeric level */ 171238032Speter}; 171338032Speter 171490792SgshapiroEXTERN unsigned long PrivacyFlags; /* privacy flags */ 171538032Speter 171690792Sgshapiro 171738032Speter/* 171838032Speter** Flags passed to remotename, parseaddr, allocaddr, and buildaddr. 171938032Speter*/ 172038032Speter 172138032Speter#define RF_SENDERADDR 0x001 /* this is a sender address */ 172238032Speter#define RF_HEADERADDR 0x002 /* this is a header address */ 172338032Speter#define RF_CANONICAL 0x004 /* strip comment information */ 172438032Speter#define RF_ADDDOMAIN 0x008 /* OK to do domain extension */ 172538032Speter#define RF_COPYPARSE 0x010 /* copy parsed user & host */ 172638032Speter#define RF_COPYPADDR 0x020 /* copy print address */ 172738032Speter#define RF_COPYALL (RF_COPYPARSE|RF_COPYPADDR) 172838032Speter#define RF_COPYNONE 0 1729168515Sgshapiro#define RF_RM_ADDR 0x040 /* address to be removed */ 173038032Speter 1731102528Sgshapiro/* 1732102528Sgshapiro** Flags passed to rscheck 1733102528Sgshapiro*/ 173438032Speter 1735110560Sgshapiro#define RSF_RMCOMM 0x0001 /* strip comments */ 1736102528Sgshapiro#define RSF_UNSTRUCTURED 0x0002 /* unstructured, ignore syntax errors */ 1737102528Sgshapiro#define RSF_COUNT 0x0004 /* count rejections (statistics)? */ 1738102528Sgshapiro 173938032Speter/* 174064562Sgshapiro** Flags passed to mime8to7 and putheader. 174138032Speter*/ 174238032Speter 174338032Speter#define M87F_OUTER 0 /* outer context */ 174438032Speter#define M87F_NO8BIT 0x0001 /* can't have 8-bit in this section */ 174538032Speter#define M87F_DIGEST 0x0002 /* processing multipart/digest */ 174642575Speter#define M87F_NO8TO7 0x0004 /* don't do 8->7 bit conversions */ 174738032Speter 174864562Sgshapiro/* functions */ 1749157001Sgshapiroextern bool mime7to8 __P((MCI *, HDR *, ENVELOPE *)); 1750159609Sgshapiroextern int mime8to7 __P((MCI *, HDR *, ENVELOPE *, char **, int, int)); 175138032Speter 175238032Speter/* 175338032Speter** Flags passed to returntosender. 175438032Speter*/ 175538032Speter 175638032Speter#define RTSF_NO_BODY 0 /* send headers only */ 175738032Speter#define RTSF_SEND_BODY 0x0001 /* include body of message in return */ 175838032Speter#define RTSF_PM_BOUNCE 0x0002 /* this is a postmaster bounce */ 175938032Speter 176064562Sgshapiro/* functions */ 176164562Sgshapiroextern int returntosender __P((char *, ADDRESS *, int, ENVELOPE *)); 176238032Speter 176338032Speter/* 176464562Sgshapiro** Mail Filters (milter) 176564562Sgshapiro*/ 176638032Speter 176794334Sgshapiro/* 176894334Sgshapiro** 32-bit type used by milter 176994334Sgshapiro** (needed by libmilter even if MILTER isn't defined) 177094334Sgshapiro*/ 177194334Sgshapiro 177294334Sgshapirotypedef SM_INT32 mi_int32; 177394334Sgshapiro 177494334Sgshapiro#if MILTER 177590792Sgshapiro# define SMFTO_WRITE 0 /* Timeout for sending information */ 177690792Sgshapiro# define SMFTO_READ 1 /* Timeout waiting for a response */ 177790792Sgshapiro# define SMFTO_EOM 2 /* Timeout for ACK/NAK to EOM */ 177890792Sgshapiro# define SMFTO_CONNECT 3 /* Timeout for connect() */ 177964562Sgshapiro 178090792Sgshapiro# define SMFTO_NUM_TO 4 /* Total number of timeouts */ 178164562Sgshapiro 178264562Sgshapirostruct milter 178364562Sgshapiro{ 178464562Sgshapiro char *mf_name; /* filter name */ 178564562Sgshapiro BITMAP256 mf_flags; /* MTA flags */ 178694334Sgshapiro mi_int32 mf_fvers; /* filter version */ 178794334Sgshapiro mi_int32 mf_fflags; /* filter flags */ 178894334Sgshapiro mi_int32 mf_pflags; /* protocol flags */ 178964562Sgshapiro char *mf_conn; /* connection info */ 179064562Sgshapiro int mf_sock; /* connected socket */ 179164562Sgshapiro char mf_state; /* state of filter */ 1792244833Sgshapiro char mf_lflags; /* "local" flags */ 1793244833Sgshapiro int mf_idx; /* milter number (index) */ 179464562Sgshapiro time_t mf_timeout[SMFTO_NUM_TO]; /* timeouts */ 1795168515Sgshapiro#if _FFR_MILTER_CHECK 1796168515Sgshapiro /* for testing only */ 1797168515Sgshapiro mi_int32 mf_mta_prot_version; 1798168515Sgshapiro mi_int32 mf_mta_prot_flags; 1799168515Sgshapiro mi_int32 mf_mta_actions; 1800168515Sgshapiro#endif /* _FFR_MILTER_CHECK */ 180164562Sgshapiro}; 180264562Sgshapiro 1803244833Sgshapiro#define MI_LFL_NONE 0x00000000 1804244833Sgshapiro#define MI_LFLAGS_SYM(st) (1 << (st)) /* has its own symlist for stage st */ 1805244833Sgshapiro 1806173340Sgshapirostruct milters 1807173340Sgshapiro{ 1808173340Sgshapiro mi_int32 mis_flags; /* filter flags */ 1809173340Sgshapiro}; 1810173340Sgshapirotypedef struct milters milters_T; 1811173340Sgshapiro 1812173340Sgshapiro#define MIS_FL_NONE 0x00000000 /* no requirements... */ 1813173340Sgshapiro#define MIS_FL_DEL_RCPT 0x00000001 /* can delete rcpt */ 1814173340Sgshapiro#define MIS_FL_REJ_RCPT 0x00000002 /* can reject rcpt */ 1815173340Sgshapiro 1816173340Sgshapiro 181764562Sgshapiro/* MTA flags */ 181864562Sgshapiro# define SMF_REJECT 'R' /* Reject connection on filter fail */ 181964562Sgshapiro# define SMF_TEMPFAIL 'T' /* tempfail connection on failure */ 1820141858Sgshapiro# define SMF_TEMPDROP '4' /* 421 connection on failure */ 182164562Sgshapiro 182264562SgshapiroEXTERN struct milter *InputFilters[MAXFILTERS]; 182364562SgshapiroEXTERN char *InputFilterList; 182490792SgshapiroEXTERN int MilterLogLevel; 182564562Sgshapiro 182690792Sgshapiro/* functions */ 1827120256Sgshapiroextern void setup_daemon_milters __P((void)); 182890792Sgshapiro#endif /* MILTER */ 182990792Sgshapiro 183038032Speter/* 183138032Speter** Vendor codes 183238032Speter** 183338032Speter** Vendors can customize sendmail to add special behaviour, 183438032Speter** generally for back compatibility. Ideally, this should 183538032Speter** be set up in the .cf file using the "V" command. However, 183638032Speter** it's quite reasonable for some vendors to want the default 183738032Speter** be their old version; this can be set using 183838032Speter** -DVENDOR_DEFAULT=VENDOR_xxx 183938032Speter** in the Makefile. 184038032Speter** 184164562Sgshapiro** Vendors should apply to sendmail@sendmail.org for 184238032Speter** unique vendor codes. 184338032Speter*/ 184438032Speter 184538032Speter#define VENDOR_BERKELEY 1 /* Berkeley-native configuration file */ 184638032Speter#define VENDOR_SUN 2 /* Sun-native configuration file */ 184738032Speter#define VENDOR_HP 3 /* Hewlett-Packard specific config syntax */ 184838032Speter#define VENDOR_IBM 4 /* IBM specific config syntax */ 184942575Speter#define VENDOR_SENDMAIL 5 /* Sendmail, Inc. specific config syntax */ 185090792Sgshapiro#define VENDOR_DEC 6 /* Compaq, DEC, Digital */ 185138032Speter 185238032Speter/* prototypes for vendor-specific hook routines */ 185364562Sgshapiroextern void vendor_daemon_setup __P((ENVELOPE *)); 185438032Speterextern void vendor_set_uid __P((UID_T)); 185538032Speter 185638032Speter 185738032Speter/* 185838032Speter** Terminal escape codes. 185938032Speter** 186038032Speter** To make debugging output clearer. 186138032Speter*/ 186238032Speter 186338032Speterstruct termescape 186438032Speter{ 186538032Speter char *te_rv_on; /* turn reverse-video on */ 1866168515Sgshapiro char *te_under_on; /* turn underlining on */ 1867168515Sgshapiro char *te_normal; /* revert to normal output */ 186838032Speter}; 186938032Speter 187090792Sgshapiro/* 187164562Sgshapiro** Additional definitions 187264562Sgshapiro*/ 187338032Speter 187490792Sgshapiro/* 187590792Sgshapiro** d_flags, see daemon.c 187690792Sgshapiro** general rule: lower case: required, upper case: No 187790792Sgshapiro*/ 187890792Sgshapiro 187964562Sgshapiro#define D_AUTHREQ 'a' /* authentication required */ 188064562Sgshapiro#define D_BINDIF 'b' /* use if_addr for outgoing connection */ 188164562Sgshapiro#define D_CANONREQ 'c' /* canonification required (cf) */ 188264562Sgshapiro#define D_IFNHELO 'h' /* use if name for HELO */ 188364562Sgshapiro#define D_FQMAIL 'f' /* fq sender address required (cf) */ 188464562Sgshapiro#define D_FQRCPT 'r' /* fq recipient address required (cf) */ 1885132943Sgshapiro#define D_SMTPS 's' /* SMTP over SSL (smtps) */ 188664562Sgshapiro#define D_UNQUALOK 'u' /* unqualified address is ok (cf) */ 188790792Sgshapiro#define D_NOAUTH 'A' /* no AUTH */ 188864562Sgshapiro#define D_NOCANON 'C' /* no canonification (cf) */ 188964562Sgshapiro#define D_NOETRN 'E' /* no ETRN (MSA) */ 189090792Sgshapiro#define D_NOTLS 'S' /* don't use STARTTLS */ 189164562Sgshapiro#define D_ETRNONLY ((char)0x01) /* allow only ETRN (disk low) */ 189290792Sgshapiro#define D_OPTIONAL 'O' /* optional socket */ 189390792Sgshapiro#define D_DISABLE ((char)0x02) /* optional socket disabled */ 189490792Sgshapiro#define D_ISSET ((char)0x03) /* this client struct is set */ 189538032Speter 189664562Sgshapiro#if STARTTLS 189790792Sgshapiro/* 189864562Sgshapiro** TLS 189938032Speter*/ 190038032Speter 190164562Sgshapiro/* what to do in the TLS initialization */ 190264562Sgshapiro#define TLS_I_NONE 0x00000000 /* no requirements... */ 1903110560Sgshapiro#define TLS_I_CERT_EX 0x00000001 /* cert must exist */ 1904110560Sgshapiro#define TLS_I_CERT_UNR 0x00000002 /* cert must be g/o unreadable */ 1905110560Sgshapiro#define TLS_I_KEY_EX 0x00000004 /* key must exist */ 1906110560Sgshapiro#define TLS_I_KEY_UNR 0x00000008 /* key must be g/o unreadable */ 1907110560Sgshapiro#define TLS_I_CERTP_EX 0x00000010 /* CA cert path must exist */ 1908110560Sgshapiro#define TLS_I_CERTP_UNR 0x00000020 /* CA cert path must be g/o unreadable */ 1909110560Sgshapiro#define TLS_I_CERTF_EX 0x00000040 /* CA cert file must exist */ 1910110560Sgshapiro#define TLS_I_CERTF_UNR 0x00000080 /* CA cert file must be g/o unreadable */ 191164562Sgshapiro#define TLS_I_RSA_TMP 0x00000100 /* RSA TMP must be generated */ 191264562Sgshapiro#define TLS_I_USE_KEY 0x00000200 /* private key must usable */ 191364562Sgshapiro#define TLS_I_USE_CERT 0x00000400 /* certificate must be usable */ 191464562Sgshapiro#define TLS_I_VRFY_PATH 0x00000800 /* load verify path must succeed */ 191564562Sgshapiro#define TLS_I_VRFY_LOC 0x00001000 /* load verify default must succeed */ 191664562Sgshapiro#define TLS_I_CACHE 0x00002000 /* require cache */ 191764562Sgshapiro#define TLS_I_TRY_DH 0x00004000 /* try DH certificate */ 191864562Sgshapiro#define TLS_I_REQ_DH 0x00008000 /* require DH certificate */ 191964562Sgshapiro#define TLS_I_DHPAR_EX 0x00010000 /* require DH parameters */ 192064562Sgshapiro#define TLS_I_DHPAR_UNR 0x00020000 /* DH param. must be g/o unreadable */ 192164562Sgshapiro#define TLS_I_DH512 0x00040000 /* generate 512bit DH param */ 192264562Sgshapiro#define TLS_I_DH1024 0x00080000 /* generate 1024bit DH param */ 192364562Sgshapiro#define TLS_I_DH2048 0x00100000 /* generate 2048bit DH param */ 192490792Sgshapiro#define TLS_I_NO_VRFY 0x00200000 /* do not require authentication */ 1925110560Sgshapiro#define TLS_I_KEY_OUNR 0x00400000 /* Key must be other unreadable */ 1926132943Sgshapiro#define TLS_I_CRLF_EX 0x00800000 /* CRL file must exist */ 1927132943Sgshapiro#define TLS_I_CRLF_UNR 0x01000000 /* CRL file must be g/o unreadable */ 192842575Speter 192990792Sgshapiro/* require server cert */ 193090792Sgshapiro#define TLS_I_SRV_CERT (TLS_I_CERT_EX | TLS_I_KEY_EX | \ 193190792Sgshapiro TLS_I_KEY_UNR | TLS_I_KEY_OUNR | \ 193290792Sgshapiro TLS_I_CERTP_EX | TLS_I_CERTF_EX | \ 1933157001Sgshapiro TLS_I_USE_KEY | TLS_I_USE_CERT | TLS_I_CACHE) 193490792Sgshapiro 193564562Sgshapiro/* server requirements */ 193690792Sgshapiro#define TLS_I_SRV (TLS_I_SRV_CERT | TLS_I_RSA_TMP | TLS_I_VRFY_PATH | \ 1937157001Sgshapiro TLS_I_VRFY_LOC | TLS_I_TRY_DH | TLS_I_DH512 | \ 1938157001Sgshapiro TLS_I_CACHE) 193938032Speter 194064562Sgshapiro/* client requirements */ 194190792Sgshapiro#define TLS_I_CLT (TLS_I_KEY_UNR | TLS_I_KEY_OUNR) 194264562Sgshapiro 194364562Sgshapiro#define TLS_AUTH_OK 0 194464562Sgshapiro#define TLS_AUTH_NO 1 194564562Sgshapiro#define TLS_AUTH_FAIL (-1) 194690792Sgshapiro 194790792Sgshapiro/* functions */ 1948249729Sgshapiroextern bool init_tls_library __P((bool _fipsmode)); 1949203004Sgshapiroextern bool inittls __P((SSL_CTX **, unsigned long, long, bool, char *, char *, char *, char *, char *)); 195090792Sgshapiroextern bool initclttls __P((bool)); 195190792Sgshapiroextern void setclttls __P((bool)); 195290792Sgshapiroextern bool initsrvtls __P((bool)); 195390792Sgshapiroextern int tls_get_info __P((SSL *, bool, char *, MACROS_T *, bool)); 195490792Sgshapiroextern int endtls __P((SSL *, char *)); 1955249729Sgshapiroextern void tlslogerr __P((int, const char *)); 195690792Sgshapiro 195790792Sgshapiro 1958110560SgshapiroEXTERN char *CACertPath; /* path to CA certificates (dir. with hashes) */ 1959110560SgshapiroEXTERN char *CACertFile; /* file with CA certificate */ 1960110560SgshapiroEXTERN char *CltCertFile; /* file with client certificate */ 1961110560SgshapiroEXTERN char *CltKeyFile; /* file with client private key */ 196290792Sgshapiro# if _FFR_TLS_1 196390792SgshapiroEXTERN char *CipherList; /* list of ciphers */ 196490792SgshapiroEXTERN char *DHParams5; /* file with DH parameters (512) */ 196590792Sgshapiro# endif /* _FFR_TLS_1 */ 196690792SgshapiroEXTERN char *DHParams; /* file with DH parameters */ 196790792SgshapiroEXTERN char *RandFile; /* source of random data */ 1968110560SgshapiroEXTERN char *SrvCertFile; /* file with server certificate */ 1969110560SgshapiroEXTERN char *SrvKeyFile; /* file with server private key */ 1970132943SgshapiroEXTERN char *CRLFile; /* file CRLs */ 1971132943Sgshapiro#if _FFR_CRLPATH 1972132943SgshapiroEXTERN char *CRLPath; /* path to CRLs (dir. with hashes) */ 1973132943Sgshapiro#endif /* _FFR_CRLPATH */ 197490792SgshapiroEXTERN unsigned long TLS_Srv_Opts; /* TLS server options */ 1975203004SgshapiroEXTERN long Srv_SSL_Options, Clt_SSL_Options; /* SSL options */ 197664562Sgshapiro#endif /* STARTTLS */ 197764562Sgshapiro 197890792Sgshapiro/* 197964562Sgshapiro** Queue related items 198038032Speter*/ 198164562Sgshapiro 198290792Sgshapiro/* queue file names */ 1983132943Sgshapiro#define ANYQFL_LETTER '?' 1984132943Sgshapiro#define QUARQF_LETTER 'h' 198590792Sgshapiro#define DATAFL_LETTER 'd' 198690792Sgshapiro#define XSCRPT_LETTER 'x' 198790792Sgshapiro#define NORMQF_LETTER 'q' 198890792Sgshapiro#define NEWQFL_LETTER 't' 198990792Sgshapiro 199090792Sgshapiro# define TEMPQF_LETTER 'T' 199190792Sgshapiro# define LOSEQF_LETTER 'Q' 199290792Sgshapiro 199364562Sgshapiro/* queue sort order */ 199464562Sgshapiro#define QSO_BYPRIORITY 0 /* sort by message priority */ 199564562Sgshapiro#define QSO_BYHOST 1 /* sort by first host name */ 199664562Sgshapiro#define QSO_BYTIME 2 /* sort by submission time */ 199764562Sgshapiro#define QSO_BYFILENAME 3 /* sort by file name only */ 199890792Sgshapiro#define QSO_RANDOM 4 /* sort in random order */ 199990792Sgshapiro#define QSO_BYMODTIME 5 /* sort by modification time */ 2000132943Sgshapiro#define QSO_NONE 6 /* do not sort */ 200190792Sgshapiro#if _FFR_RHS 2002132943Sgshapiro# define QSO_BYSHUFFLE 7 /* sort by shuffled host name */ 200390792Sgshapiro#endif /* _FFR_RHS */ 200464562Sgshapiro 200590792Sgshapiro#define NOQGRP (-1) /* no queue group (yet) */ 200690792Sgshapiro#define ENVQGRP (-2) /* use queue group of envelope */ 200790792Sgshapiro#define NOAQGRP (-3) /* no queue group in addr (yet) */ 200890792Sgshapiro#define ISVALIDQGRP(x) ((x) >= 0) /* valid queue group? */ 200990792Sgshapiro#define NOQDIR (-1) /* no queue directory (yet) */ 201090792Sgshapiro#define ENVQDIR (-2) /* use queue directory of envelope */ 201190792Sgshapiro#define NOAQDIR (-3) /* no queue directory in addr (yet) */ 201290792Sgshapiro#define ISVALIDQDIR(x) ((x) >= 0) /* valid queue directory? */ 201390792Sgshapiro#define RS_QUEUEGROUP "queuegroup" /* ruleset for queue group selection */ 201464562Sgshapiro 201590792Sgshapiro#define NOW ((time_t) (-1)) /* queue return: now */ 201664562Sgshapiro 201790792Sgshapiro/* SuperSafe values */ 201890792Sgshapiro#define SAFE_NO 0 /* no fsync(): don't use... */ 201990792Sgshapiro#define SAFE_INTERACTIVE 1 /* limit fsync() in -odi */ 202090792Sgshapiro#define SAFE_REALLY 2 /* always fsync() */ 2021132943Sgshapiro#define SAFE_REALLY_POSTMILTER 3 /* fsync() if milter says OK */ 202290792Sgshapiro 202390792Sgshapiro/* QueueMode bits */ 2024132943Sgshapiro#define QM_NORMAL ' ' 2025132943Sgshapiro#define QM_QUARANTINE 'Q' 2026132943Sgshapiro#define QM_LOST 'L' 202790792Sgshapiro 202864562Sgshapiro/* Queue Run Limitations */ 202938032Speterstruct queue_char 203038032Speter{ 203190792Sgshapiro char *queue_match; /* string to match */ 203290792Sgshapiro bool queue_negate; /* or not match, if set */ 203390792Sgshapiro struct queue_char *queue_next; 203438032Speter}; 203538032Speter 2036110560Sgshapiro/* run_work_group() flags */ 2037110560Sgshapiro#define RWG_NONE 0x0000 2038110560Sgshapiro#define RWG_FORK 0x0001 2039110560Sgshapiro#define RWG_VERBOSE 0x0002 2040110560Sgshapiro#define RWG_PERSISTENT 0x0004 2041110560Sgshapiro#define RWG_FORCE 0x0008 2042110560Sgshapiro#define RWG_RUNALL 0x0010 2043110560Sgshapiro 204490792Sgshapirotypedef struct queue_char QUEUE_CHAR; 204538032Speter 204690792SgshapiroEXTERN int volatile CurRunners; /* current number of runner children */ 204790792SgshapiroEXTERN int MaxQueueRun; /* maximum number of jobs in one queue run */ 204890792SgshapiroEXTERN int MaxQueueChildren; /* max # of forked queue children */ 204990792SgshapiroEXTERN int MaxRunnersPerQueue; /* max # proc's active in queue group */ 205090792SgshapiroEXTERN int NiceQueueRun; /* nice queue runs to this value */ 205190792SgshapiroEXTERN int NumQueue; /* number of queue groups */ 205290792SgshapiroEXTERN int QueueFileMode; /* mode on files in mail queue */ 205390792SgshapiroEXTERN int QueueMode; /* which queue items to act upon */ 205490792SgshapiroEXTERN int QueueSortOrder; /* queue sorting order algorithm */ 205590792SgshapiroEXTERN time_t MinQueueAge; /* min delivery interval */ 2056203004Sgshapiro#if _FFR_EXPDELAY 2057203004SgshapiroEXTERN time_t MaxQueueAge; /* max delivery interval */ 2058203004Sgshapiro#endif /* _FFR_EXPDELAY */ 205990792SgshapiroEXTERN time_t QueueIntvl; /* intervals between running the queue */ 206090792SgshapiroEXTERN char *QueueDir; /* location of queue directory */ 206190792SgshapiroEXTERN QUEUE_CHAR *QueueLimitId; /* limit queue run to id */ 206290792SgshapiroEXTERN QUEUE_CHAR *QueueLimitQuarantine; /* limit queue run to quarantine reason */ 206390792SgshapiroEXTERN QUEUE_CHAR *QueueLimitRecipient; /* limit queue run to rcpt */ 206490792SgshapiroEXTERN QUEUE_CHAR *QueueLimitSender; /* limit queue run to sender */ 206590792SgshapiroEXTERN QUEUEGRP *Queue[MAXQUEUEGROUPS + 1]; /* queue groups */ 206690792Sgshapiro 206764562Sgshapiro/* functions */ 206864562Sgshapiroextern void assign_queueid __P((ENVELOPE *)); 206990792Sgshapiroextern ADDRESS *copyqueue __P((ADDRESS *, SM_RPOOL_T *)); 207090792Sgshapiroextern void cleanup_queues __P((void)); 207190792Sgshapiroextern bool doqueuerun __P((void)); 207264562Sgshapiroextern void initsys __P((ENVELOPE *)); 207364562Sgshapiroextern void loseqfile __P((ENVELOPE *, char *)); 207490792Sgshapiroextern int name2qid __P((char *)); 207564562Sgshapiroextern char *qid_printname __P((ENVELOPE *)); 207690792Sgshapiroextern char *qid_printqueue __P((int, int)); 207790792Sgshapiroextern void quarantine_queue __P((char *, int)); 207864562Sgshapiroextern char *queuename __P((ENVELOPE *, int)); 207990792Sgshapiroextern void queueup __P((ENVELOPE *, bool, bool)); 208090792Sgshapiroextern bool runqueue __P((bool, bool, bool, bool)); 2081120256Sgshapiroextern bool run_work_group __P((int, int)); 208290792Sgshapiroextern void set_def_queueval __P((QUEUEGRP *, bool)); 208390792Sgshapiroextern void setup_queues __P((bool)); 208490792Sgshapiroextern bool setnewqueue __P((ENVELOPE *)); 208564562Sgshapiroextern bool shouldqueue __P((long, time_t)); 208664562Sgshapiroextern void sync_queue_time __P((void)); 2087125820Sgshapiroextern void init_qid_alg __P((void)); 208890792Sgshapiroextern int print_single_queue __P((int, int)); 208990792Sgshapiro#if REQUIRES_DIR_FSYNC 209090792Sgshapiro# define SYNC_DIR(path, panic) sync_dir(path, panic) 209190792Sgshapiroextern void sync_dir __P((char *, bool)); 209290792Sgshapiro#else /* REQUIRES_DIR_FSYNC */ 209390792Sgshapiro# define SYNC_DIR(path, panic) ((void) 0) 209490792Sgshapiro#endif /* REQUIRES_DIR_FSYNC */ 209538032Speter 209638032Speter/* 209738032Speter** Timeouts 209838032Speter** 209938032Speter** Indicated values are the MINIMUM per RFC 1123 section 5.3.2. 210038032Speter*/ 210138032Speter 210238032SpeterEXTERN struct 210338032Speter{ 210438032Speter /* RFC 1123-specified timeouts [minimum value] */ 210538032Speter time_t to_initial; /* initial greeting timeout [5m] */ 210638032Speter time_t to_mail; /* MAIL command [5m] */ 210738032Speter time_t to_rcpt; /* RCPT command [5m] */ 210838032Speter time_t to_datainit; /* DATA initiation [2m] */ 210938032Speter time_t to_datablock; /* DATA block [3m] */ 211038032Speter time_t to_datafinal; /* DATA completion [10m] */ 211138032Speter time_t to_nextcommand; /* next command [5m] */ 211238032Speter /* following timeouts are not mentioned in RFC 1123 */ 211338032Speter time_t to_iconnect; /* initial connection timeout (first try) */ 211438032Speter time_t to_connect; /* initial connection timeout (later tries) */ 211590792Sgshapiro time_t to_aconnect; /* all connections timeout (MX and A records) */ 211638032Speter time_t to_rset; /* RSET command */ 211738032Speter time_t to_helo; /* HELO command */ 211838032Speter time_t to_quit; /* QUIT command */ 211938032Speter time_t to_miscshort; /* misc short commands (NOOP, VERB, etc) */ 212038032Speter time_t to_ident; /* IDENT protocol requests */ 212138032Speter time_t to_fileopen; /* opening :include: and .forward files */ 212264562Sgshapiro time_t to_control; /* process a control socket command */ 212390792Sgshapiro time_t to_lhlo; /* LMTP: LHLO command */ 212490792Sgshapiro#if SASL 212590792Sgshapiro time_t to_auth; /* AUTH dialogue [10m] */ 212690792Sgshapiro#endif /* SASL */ 212790792Sgshapiro#if STARTTLS 212890792Sgshapiro time_t to_starttls; /* STARTTLS dialogue [10m] */ 212990792Sgshapiro#endif /* STARTTLS */ 213038032Speter /* following are per message */ 213138032Speter time_t to_q_return[MAXTOCLASS]; /* queue return timeouts */ 213238032Speter time_t to_q_warning[MAXTOCLASS]; /* queue warning timeouts */ 213364562Sgshapiro time_t res_retrans[MAXRESTOTYPES]; /* resolver retransmit */ 213464562Sgshapiro int res_retry[MAXRESTOTYPES]; /* resolver retry */ 213538032Speter} TimeOuts; 213638032Speter 213738032Speter/* timeout classes for return and warning timeouts */ 213864562Sgshapiro#define TOC_NORMAL 0 /* normal delivery */ 213964562Sgshapiro#define TOC_URGENT 1 /* urgent delivery */ 214064562Sgshapiro#define TOC_NONURGENT 2 /* non-urgent delivery */ 2141132943Sgshapiro#define TOC_DSN 3 /* DSN delivery */ 214238032Speter 214364562Sgshapiro/* resolver timeout specifiers */ 214464562Sgshapiro#define RES_TO_FIRST 0 /* first attempt */ 214564562Sgshapiro#define RES_TO_NORMAL 1 /* subsequent attempts */ 214664562Sgshapiro#define RES_TO_DEFAULT 2 /* default value */ 214738032Speter 214864562Sgshapiro/* functions */ 214964562Sgshapiroextern void inittimeouts __P((char *, bool)); 215064562Sgshapiro 215138032Speter/* 215290792Sgshapiro** Interface probing 215390792Sgshapiro*/ 215490792Sgshapiro 215590792Sgshapiro#define DPI_PROBENONE 0 /* Don't probe any interfaces */ 215690792Sgshapiro#define DPI_PROBEALL 1 /* Probe all interfaces */ 215790792Sgshapiro#define DPI_SKIPLOOPBACK 2 /* Don't probe loopback interfaces */ 215890792Sgshapiro 215990792Sgshapiro/* 216038032Speter** Trace information 216138032Speter*/ 216238032Speter 216364562Sgshapiro/* macros for debugging flags */ 2164223067Sgshapiro#if NOT_SENDMAIL 2165223067Sgshapiro# define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level) 2166223067Sgshapiro#else 2167223067Sgshapiro# define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level && !IntSig) 2168223067Sgshapiro#endif 216964562Sgshapiro#define tTdlevel(flag) (tTdvect[flag]) 217064562Sgshapiro 217164562Sgshapiro/* variables */ 217290792Sgshapiroextern unsigned char tTdvect[100]; /* trace vector */ 217377349Sgshapiro 217490792Sgshapiro/* 217538032Speter** Miscellaneous information. 217638032Speter*/ 217738032Speter 217838032Speter/* 217938032Speter** The "no queue id" queue id for sm_syslog 218038032Speter*/ 218138032Speter 2182173340Sgshapiro#define NOQID "" 218338032Speter 218490792Sgshapiro#define CURHOSTNAME (CurHostName == NULL ? "local" : CurHostName) 218590792Sgshapiro 218638032Speter/* 218738032Speter** Some in-line functions 218838032Speter*/ 218938032Speter 219038032Speter/* set exit status */ 2191223067Sgshapiro#define setstat(s) \ 2192223067Sgshapiro do \ 2193223067Sgshapiro { \ 2194223067Sgshapiro if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL) \ 2195223067Sgshapiro ExitStat = s; \ 2196223067Sgshapiro } while (0) 219738032Speter 219838032Speter 219938032Speter#define STRUCTCOPY(s, d) d = s 220090792Sgshapiro 220190792Sgshapiro/* free a pointer if it isn't NULL and set it to NULL */ 220290792Sgshapiro#define SM_FREE_CLR(p) \ 2203223067Sgshapiro do \ 2204223067Sgshapiro { \ 2205223067Sgshapiro if ((p) != NULL) \ 2206223067Sgshapiro { \ 2207223067Sgshapiro sm_free(p); \ 2208223067Sgshapiro (p) = NULL; \ 2209223067Sgshapiro } \ 2210223067Sgshapiro } while (0) 221190792Sgshapiro 221290792Sgshapiro/* 221390792Sgshapiro** Update a permanent string variable with a new value. 221490792Sgshapiro** The old value is freed, the new value is strdup'ed. 221590792Sgshapiro** 221690792Sgshapiro** We use sm_pstrdup_x to duplicate the string because it raises 221790792Sgshapiro** an exception on error, and because it allocates "permanent storage" 221890792Sgshapiro** which is not expected to be freed before process exit. 221990792Sgshapiro** The latter is important for memory leak analysis. 222090792Sgshapiro** 222190792Sgshapiro** If an exception occurs while strdup'ing the new value, 222290792Sgshapiro** then the variable remains set to the old value. 222390792Sgshapiro** That's why the strdup must occur before we free the old value. 222490792Sgshapiro** 222590792Sgshapiro** The macro uses a do loop so that this idiom will work: 222690792Sgshapiro** if (...) 222790792Sgshapiro** PSTRSET(var, val1); 222890792Sgshapiro** else 222990792Sgshapiro** PSTRSET(var, val2); 223090792Sgshapiro*/ 223190792Sgshapiro#define PSTRSET(var, val) \ 223290792Sgshapiro do \ 223390792Sgshapiro { \ 223490792Sgshapiro char *_newval = sm_pstrdup_x(val); \ 223590792Sgshapiro if (var != NULL) \ 223690792Sgshapiro sm_free(var); \ 223790792Sgshapiro var = _newval; \ 223890792Sgshapiro } while (0) 223990792Sgshapiro 2240120256Sgshapiro#define _CHECK_RESTART \ 2241120256Sgshapiro do \ 2242120256Sgshapiro { \ 2243120256Sgshapiro if (ShutdownRequest != NULL) \ 2244120256Sgshapiro shutdown_daemon(); \ 2245120256Sgshapiro else if (RestartRequest != NULL) \ 2246120256Sgshapiro restart_daemon(); \ 2247120256Sgshapiro else if (RestartWorkGroup) \ 2248120256Sgshapiro restart_marked_work_groups(); \ 2249120256Sgshapiro } while (0) 2250120256Sgshapiro 2251120256Sgshapiro# define CHECK_RESTART _CHECK_RESTART 2252120256Sgshapiro 2253244833Sgshapiro#define CHK_CUR_RUNNERS(fct, idx, count) \ 2254244833Sgshapiro do \ 2255244833Sgshapiro { \ 2256244833Sgshapiro if (CurRunners < 0) \ 2257244833Sgshapiro { \ 2258244833Sgshapiro if (LogLevel > 3) \ 2259244833Sgshapiro sm_syslog(LOG_ERR, NOQID, \ 2260244833Sgshapiro "%s: CurRunners=%d, i=%d, count=%d, status=should not happen", \ 2261244833Sgshapiro fct, CurRunners, idx, count); \ 2262244833Sgshapiro CurRunners = 0; \ 2263244833Sgshapiro } \ 2264244833Sgshapiro } while (0) 2265244833Sgshapiro 2266132943Sgshapiro/* reply types (text in SmtpMsgBuffer) */ 2267132943Sgshapiro#define XS_DEFAULT 0 2268132943Sgshapiro#define XS_STARTTLS 1 2269132943Sgshapiro#define XS_AUTH 2 2270223067Sgshapiro#define XS_GREET 3 2271223067Sgshapiro#define XS_EHLO 4 2272223067Sgshapiro#define XS_MAIL 5 2273223067Sgshapiro#define XS_RCPT 6 2274223067Sgshapiro#define XS_DATA 7 2275223067Sgshapiro#define XS_EOM 8 2276223067Sgshapiro#define XS_DATA2 9 2277223067Sgshapiro#define XS_RCPT2 10 2278223067Sgshapiro#define XS_QUIT 15 2279132943Sgshapiro 228090792Sgshapiro/* 228164562Sgshapiro** Global variables. 228264562Sgshapiro*/ 228338032Speter 2284173340Sgshapiro#if _FFR_ADDR_TYPE_MODES 2285173340SgshapiroEXTERN bool AddrTypeModes; /* addr_type: extra "mode" information */ 2286173340Sgshapiro#endif /* _FFR_ADDR_TYPE_MODES */ 228764562SgshapiroEXTERN bool AllowBogusHELO; /* allow syntax errors on HELO command */ 228864562SgshapiroEXTERN bool CheckAliases; /* parse addresses during newaliases */ 2289157001Sgshapiro#if _FFR_QUEUE_RUN_PARANOIA 2290157001SgshapiroEXTERN int CheckQueueRunners; /* check whether queue runners are OK */ 2291157001Sgshapiro#endif /* _FFR_QUEUE_RUN_PARANOIA */ 229264562SgshapiroEXTERN bool ColonOkInAddr; /* single colon legal in address */ 229390792Sgshapiro#if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) 229464562SgshapiroEXTERN bool ConfigFileRead; /* configuration file has been read */ 229590792Sgshapiro#endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */ 229690792SgshapiroEXTERN bool DisConnected; /* running with OutChannel redirect to transcript file */ 229764562SgshapiroEXTERN bool DontExpandCnames; /* do not $[...$] expand CNAMEs */ 229864562SgshapiroEXTERN bool DontInitGroups; /* avoid initgroups() because of NIS cost */ 229964562SgshapiroEXTERN bool DontLockReadFiles; /* don't read lock support files */ 230064562SgshapiroEXTERN bool DontPruneRoutes; /* don't prune source routes */ 230164562SgshapiroEXTERN bool ForkQueueRuns; /* fork for each job when running the queue */ 230264562SgshapiroEXTERN bool FromFlag; /* if set, "From" person is explicit */ 2303249729SgshapiroEXTERN bool FipsMode; 230464562SgshapiroEXTERN bool GrabTo; /* if set, get recipients from msg */ 2305168515SgshapiroEXTERN bool EightBitAddrOK; /* we'll let 8-bit addresses through */ 230664562SgshapiroEXTERN bool HasEightBits; /* has at least one eight bit input byte */ 230764562SgshapiroEXTERN bool HasWildcardMX; /* don't use MX records when canonifying */ 230864562SgshapiroEXTERN bool HoldErrs; /* only output errors to transcript */ 230964562SgshapiroEXTERN bool IgnoreHostStatus; /* ignore long term host status files */ 231064562SgshapiroEXTERN bool IgnrDot; /* don't let dot end messages */ 231164562SgshapiroEXTERN bool LogUsrErrs; /* syslog user errors (e.g., SMTP RCPT cmd) */ 231264562SgshapiroEXTERN bool MatchGecos; /* look for user names in gecos field */ 231364562SgshapiroEXTERN bool MeToo; /* send to the sender also */ 231464562SgshapiroEXTERN bool NoAlias; /* suppress aliasing */ 231564562SgshapiroEXTERN bool NoConnect; /* don't connect to non-local mailers */ 231664562SgshapiroEXTERN bool OnlyOneError; /* .... or only want to give one SMTP reply */ 231764562SgshapiroEXTERN bool QuickAbort; /* .... but only if we want a quick abort */ 2318249729Sgshapiro#if _FFR_REJECT_NUL_BYTE 2319249729SgshapiroEXTERN bool RejectNUL; /* reject NUL input byte? */ 2320249729Sgshapiro#endif /* _FFR_REJECT_NUL_BYTE */ 2321132943Sgshapiro#if REQUIRES_DIR_FSYNC 2322110560SgshapiroEXTERN bool RequiresDirfsync; /* requires fsync() for directory */ 2323132943Sgshapiro#endif /* REQUIRES_DIR_FSYNC */ 232490792SgshapiroEXTERN bool volatile RestartWorkGroup; /* daemon needs to restart some work groups */ 232564562SgshapiroEXTERN bool RrtImpliesDsn; /* turn Return-Receipt-To: into DSN */ 232664562SgshapiroEXTERN bool SaveFrom; /* save leading "From" lines */ 232764562SgshapiroEXTERN bool SendMIMEErrors; /* send error messages in MIME format */ 232864562SgshapiroEXTERN bool SevenBitInput; /* force 7-bit data on input */ 232964562SgshapiroEXTERN bool SingleLineFromHeader; /* force From: header to be one line */ 233064562SgshapiroEXTERN bool SingleThreadDelivery; /* single thread hosts on delivery */ 233190792SgshapiroEXTERN bool SoftBounce; /* replace 5xy by 4xy (for testing) */ 233277349SgshapiroEXTERN bool volatile StopRequest; /* stop sending output */ 233364562SgshapiroEXTERN bool SuprErrs; /* set if we are suppressing errors */ 233464562SgshapiroEXTERN bool TryNullMXList; /* if we are the best MX, try host directly */ 233590792SgshapiroEXTERN bool UseMSP; /* mail submission: group writable queue ok? */ 233673188SgshapiroEXTERN bool WorkAroundBrokenAAAA; /* some nameservers return SERVFAIL on AAAA queries */ 233764562SgshapiroEXTERN bool UseErrorsTo; /* use Errors-To: header (back compat) */ 233864562SgshapiroEXTERN bool UseNameServer; /* using DNS -- interpret h_errno & MX RRs */ 233964562SgshapiroEXTERN char InetMode; /* default network for daemon mode */ 234064562SgshapiroEXTERN char OpMode; /* operation mode, see below */ 234164562SgshapiroEXTERN char SpaceSub; /* substitution for <lwsp> */ 2342182352Sgshapiro#if _FFR_BADRCPT_SHUTDOWN 2343182352SgshapiroEXTERN int BadRcptShutdown; /* Shutdown connection for rejected RCPTs */ 2344182352SgshapiroEXTERN int BadRcptShutdownGood; /* above even when there are good RCPTs */ 2345182352Sgshapiro#endif /* _FFR_BADRCPT_SHUTDOWN */ 2346203004SgshapiroEXTERN int BadRcptThrottle; /* Throttle rejected RCPTs per SMTP message */ 2347203004Sgshapiro#if _FFR_RCPTTHROTDELAY 2348203004SgshapiroEXTERN unsigned int BadRcptThrottleDelay; /* delay for BadRcptThrottle */ 2349203004Sgshapiro#else 2350203004Sgshapiro# define BadRcptThrottleDelay 1 2351203004Sgshapiro#endif /* _FFR_RCPTTHROTDELAY */ 235264562SgshapiroEXTERN int CheckpointInterval; /* queue file checkpoint interval */ 235364562SgshapiroEXTERN int ConfigLevel; /* config file level */ 235464562SgshapiroEXTERN int ConnRateThrottle; /* throttle for SMTP connection rate */ 235577349SgshapiroEXTERN int volatile CurChildren; /* current number of daemonic children */ 235664562SgshapiroEXTERN int CurrentLA; /* current load average */ 235764562SgshapiroEXTERN int DefaultNotify; /* default DSN notification flags */ 235890792SgshapiroEXTERN int DelayLA; /* load average to delay connections */ 235990792SgshapiroEXTERN int DontProbeInterfaces; /* don't probe interfaces for names */ 236064562SgshapiroEXTERN int Errors; /* set if errors (local to single pass) */ 236164562SgshapiroEXTERN int ExitStat; /* exit status code */ 236290792SgshapiroEXTERN int FastSplit; /* fast initial splitting of envelopes */ 236364562SgshapiroEXTERN int FileMode; /* mode on files */ 236464562SgshapiroEXTERN int LineNumber; /* line number in current input */ 236564562SgshapiroEXTERN int LogLevel; /* level of logging to perform */ 236664562SgshapiroEXTERN int MaxAliasRecursion; /* maximum depth of alias recursion */ 236764562SgshapiroEXTERN int MaxChildren; /* maximum number of daemonic children */ 236864562SgshapiroEXTERN int MaxForwardEntries; /* maximum number of forward entries */ 236964562SgshapiroEXTERN int MaxHeadersLength; /* max length of headers */ 237064562SgshapiroEXTERN int MaxHopCount; /* max # of hops until bounce */ 237164562SgshapiroEXTERN int MaxMacroRecursion; /* maximum depth of macro recursion */ 237264562SgshapiroEXTERN int MaxMimeFieldLength; /* maximum MIME field length */ 237364562SgshapiroEXTERN int MaxMimeHeaderLength; /* maximum MIME header length */ 2374157001SgshapiroEXTERN int MaxNOOPCommands; /* max "noise" commands before slowdown */ 237538032Speter 237664562SgshapiroEXTERN int MaxRcptPerMsg; /* max recipients per SMTP message */ 237764562SgshapiroEXTERN int MaxRuleRecursion; /* maximum depth of ruleset recursion */ 2378157001Sgshapiro#if _FFR_MSG_ACCEPT 2379159609SgshapiroEXTERN char *MessageAccept; /* "Message accepted for delivery" reply text */ 2380157001Sgshapiro#endif /* _FFR_MSG_ACCEPT */ 2381157001Sgshapiro 238264562SgshapiroEXTERN int MimeMode; /* MIME processing mode */ 238364562SgshapiroEXTERN int NoRecipientAction; 238490792Sgshapiro 238590792Sgshapiro#if SM_CONF_SHM 238690792SgshapiroEXTERN int Numfilesys; /* number of queue file systems */ 238790792SgshapiroEXTERN int *PNumFileSys; 238890792Sgshapiro# define NumFileSys (*PNumFileSys) 238990792Sgshapiro# else /* SM_CONF_SHM */ 239090792SgshapiroEXTERN int NumFileSys; /* number of queue file systems */ 239190792Sgshapiro# endif /* SM_CONF_SHM */ 239290792Sgshapiro 239364562SgshapiroEXTERN int QueueLA; /* load average starting forced queueing */ 239490792SgshapiroEXTERN int RefuseLA; /* load average refusing connections */ 2395110560SgshapiroEXTERN time_t RejectLogInterval; /* time btwn log msgs while refusing */ 2396157001Sgshapiro#if _FFR_MEMSTAT 2397157001SgshapiroEXTERN long QueueLowMem; /* low memory starting forced queueing */ 2398157001SgshapiroEXTERN long RefuseLowMem; /* low memory refusing connections */ 2399157001SgshapiroEXTERN char *MemoryResource;/* memory resource to look up */ 2400157001Sgshapiro#endif /* _FFR_MEMSTAT */ 240190792SgshapiroEXTERN int SuperSafe; /* be extra careful, even if expensive */ 240264562SgshapiroEXTERN int VendorCode; /* vendor-specific operation enhancements */ 240364562SgshapiroEXTERN int Verbose; /* set if blow-by-blow desired */ 240464562SgshapiroEXTERN gid_t DefGid; /* default gid to run as */ 240564562SgshapiroEXTERN gid_t RealGid; /* real gid of caller */ 240664562SgshapiroEXTERN gid_t RunAsGid; /* GID to become for bulk of run */ 240790792SgshapiroEXTERN gid_t EffGid; /* effective gid */ 240890792Sgshapiro#if SM_CONF_SHM 240990792SgshapiroEXTERN key_t ShmKey; /* shared memory key */ 241094334SgshapiroEXTERN char *ShmKeyFile; /* shared memory key file */ 241190792Sgshapiro#endif /* SM_CONF_SHM */ 241290792SgshapiroEXTERN pid_t CurrentPid; /* current process id */ 241390792SgshapiroEXTERN pid_t DaemonPid; /* process id of daemon */ 2414132943SgshapiroEXTERN pid_t PidFilePid; /* daemon/queue runner who wrote pid file */ 241564562SgshapiroEXTERN uid_t DefUid; /* default uid to run as */ 241664562SgshapiroEXTERN uid_t RealUid; /* real uid of caller */ 241764562SgshapiroEXTERN uid_t RunAsUid; /* UID to become for bulk of run */ 241864562SgshapiroEXTERN uid_t TrustedUid; /* uid of trusted user for files and startup */ 241990792SgshapiroEXTERN size_t DataFileBufferSize; /* size of buf for in-core data file */ 242090792SgshapiroEXTERN time_t DeliverByMin; /* deliver by minimum time */ 242164562SgshapiroEXTERN time_t DialDelay; /* delay between dial-on-demand tries */ 242264562SgshapiroEXTERN time_t SafeAlias; /* interval to wait until @:@ in alias file */ 242364562SgshapiroEXTERN time_t ServiceCacheMaxAge; /* refresh interval for cache */ 242490792SgshapiroEXTERN size_t XscriptFileBufferSize; /* size of buf for in-core transcript file */ 242564562SgshapiroEXTERN MODE_T OldUmask; /* umask when sendmail starts up */ 242664562SgshapiroEXTERN long MaxMessageSize; /* advertised max size we will accept */ 242764562SgshapiroEXTERN long MinBlocksFree; /* min # of blocks free on queue fs */ 242864562SgshapiroEXTERN long QueueFactor; /* slope of queue function */ 242964562SgshapiroEXTERN long WkClassFact; /* multiplier for message class -> priority */ 243064562SgshapiroEXTERN long WkRecipFact; /* multiplier for # of recipients -> priority */ 243164562SgshapiroEXTERN long WkTimeFact; /* priority offset each time this job is run */ 243264562SgshapiroEXTERN char *ControlSocketName; /* control socket filename [control.c] */ 243364562SgshapiroEXTERN char *CurHostName; /* current host we are dealing with */ 243464562SgshapiroEXTERN char *DeadLetterDrop; /* path to dead letter office */ 243564562SgshapiroEXTERN char *DefUser; /* default user to run as (from DefUid) */ 243664562SgshapiroEXTERN char *DefaultCharSet; /* default character set for MIME */ 243764562SgshapiroEXTERN char *DoubleBounceAddr; /* where to send double bounces */ 243864562SgshapiroEXTERN char *ErrMsgFile; /* file to prepend to all error messages */ 2439132943SgshapiroEXTERN char *FallbackMX; /* fall back MX host */ 2440132943SgshapiroEXTERN char *FallbackSmartHost; /* fall back smart host */ 244164562SgshapiroEXTERN char *FileName; /* name to print on error messages */ 244264562SgshapiroEXTERN char *ForwardPath; /* path to search for .forward files */ 2443132943SgshapiroEXTERN char *HeloName; /* hostname to announce in HELO */ 244464562SgshapiroEXTERN char *HelpFile; /* location of SMTP help file */ 244564562SgshapiroEXTERN char *HostStatDir; /* location of host status information */ 244664562SgshapiroEXTERN char *HostsFile; /* path to /etc/hosts file */ 244790792Sgshapiroextern char *Mbdb; /* mailbox database type */ 244864562SgshapiroEXTERN char *MustQuoteChars; /* quote these characters in phrases */ 244964562SgshapiroEXTERN char *MyHostName; /* name of this host for SMTP messages */ 245064562SgshapiroEXTERN char *OperatorChars; /* operators (old $o macro) */ 245164562SgshapiroEXTERN char *PidFile; /* location of proc id file [conf.c] */ 245264562SgshapiroEXTERN char *PostMasterCopy; /* address to get errs cc's */ 245364562SgshapiroEXTERN char *ProcTitlePrefix; /* process title prefix */ 245464562SgshapiroEXTERN char *RealHostName; /* name of host we are talking to */ 245564562SgshapiroEXTERN char *RealUserName; /* real user name of caller */ 245677349SgshapiroEXTERN char *volatile RestartRequest;/* a sendmail restart has been requested */ 245764562SgshapiroEXTERN char *RunAsUserName; /* user to become for bulk of run */ 245864562SgshapiroEXTERN char *SafeFileEnv; /* chroot location for file delivery */ 245964562SgshapiroEXTERN char *ServiceSwitchFile; /* backup service switch */ 246077349SgshapiroEXTERN char *volatile ShutdownRequest;/* a sendmail shutdown has been requested */ 2461223067SgshapiroEXTERN bool volatile IntSig; 246264562SgshapiroEXTERN char *SmtpGreeting; /* SMTP greeting message (old $e macro) */ 246364562SgshapiroEXTERN char *SmtpPhase; /* current phase in SMTP processing */ 246464562SgshapiroEXTERN char SmtpError[MAXLINE]; /* save failure error messages */ 246564562SgshapiroEXTERN char *StatFile; /* location of statistics summary */ 246664562SgshapiroEXTERN char *TimeZoneSpec; /* override time zone specification */ 246764562SgshapiroEXTERN char *UdbSpec; /* user database source spec */ 246864562SgshapiroEXTERN char *UnixFromLine; /* UNIX From_ line (old $l macro) */ 246990792SgshapiroEXTERN char **ExternalEnviron; /* saved user (input) environment */ 247077349SgshapiroEXTERN char **SaveArgv; /* argument vector for re-execing */ 247164562SgshapiroEXTERN BITMAP256 DontBlameSendmail; /* DontBlameSendmail bits */ 247290792SgshapiroEXTERN SM_FILE_T *InChannel; /* input connection */ 247390792SgshapiroEXTERN SM_FILE_T *OutChannel; /* output connection */ 247490792SgshapiroEXTERN SM_FILE_T *TrafficLogFile; /* file in which to log all traffic */ 247590792Sgshapiro#if HESIOD 247664562SgshapiroEXTERN void *HesiodContext; 247764562Sgshapiro#endif /* HESIOD */ 247864562SgshapiroEXTERN ENVELOPE *CurEnv; /* envelope currently being processed */ 247964562SgshapiroEXTERN char *RuleSetNames[MAXRWSETS]; /* ruleset number to name */ 248064562SgshapiroEXTERN char *UserEnviron[MAXUSERENVIRON + 1]; 248190792SgshapiroEXTERN struct rewrite *RewriteRules[MAXRWSETS]; 248264562SgshapiroEXTERN struct termescape TermEscape; /* terminal escape codes */ 248364562SgshapiroEXTERN SOCKADDR ConnectOnlyTo; /* override connection address (for testing) */ 248464562SgshapiroEXTERN SOCKADDR RealHostAddr; /* address of host we are talking to */ 248590792Sgshapiroextern const SM_EXC_TYPE_T EtypeQuickAbort; /* type of a QuickAbort exception */ 248664562Sgshapiro 248790792Sgshapiro 2488132943SgshapiroEXTERN int ConnectionRateWindowSize; 2489223067Sgshapiro#if STARTTLS && USE_OPENSSL_ENGINE 2490223067SgshapiroEXTERN bool SSLEngineInitialized; 2491223067Sgshapiro#endif /* STARTTLS && USE_OPENSSL_ENGINE */ 249290792Sgshapiro 249338032Speter/* 249438032Speter** Declarations of useful functions 249538032Speter*/ 249638032Speter 249764562Sgshapiro/* Transcript file */ 249864562Sgshapiroextern void closexscript __P((ENVELOPE *)); 249938032Speterextern void openxscript __P((ENVELOPE *)); 250064562Sgshapiro 250164562Sgshapiro/* error related */ 250264562Sgshapiroextern void buffer_errors __P((void)); 250364562Sgshapiroextern void flush_errors __P((bool)); 250490792Sgshapiroextern void PRINTFLIKE(1, 2) message __P((const char *, ...)); 250590792Sgshapiroextern void PRINTFLIKE(1, 2) nmessage __P((const char *, ...)); 250690792Sgshapiroextern void PRINTFLIKE(1, 2) syserr __P((const char *, ...)); 250790792Sgshapiroextern void PRINTFLIKE(2, 3) usrerrenh __P((char *, const char *, ...)); 250890792Sgshapiroextern void PRINTFLIKE(1, 2) usrerr __P((const char *, ...)); 250964562Sgshapiroextern int isenhsc __P((const char *, int)); 251064562Sgshapiroextern int extenhsc __P((const char *, int, char *)); 251164562Sgshapiro 251264562Sgshapiro/* alias file */ 251364562Sgshapiroextern void alias __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); 251464562Sgshapiroextern bool aliaswait __P((MAP *, char *, bool)); 251564562Sgshapiroextern void forward __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); 251690792Sgshapiroextern void readaliases __P((MAP *, SM_FILE_T *, bool, bool)); 251738032Speterextern bool rebuildaliases __P((MAP *, bool)); 251864562Sgshapiroextern void setalias __P((char *)); 251964562Sgshapiro 252064562Sgshapiro/* logging */ 252164562Sgshapiroextern void logdelivery __P((MAILER *, MCI *, char *, const char *, ADDRESS *, time_t, ENVELOPE *)); 252238032Speterextern void logsender __P((ENVELOPE *, char *)); 252390792Sgshapiroextern void PRINTFLIKE(3, 4) sm_syslog __P((int, const char *, const char *, ...)); 252464562Sgshapiro 252564562Sgshapiro/* SMTP */ 252690792Sgshapiroextern void giveresponse __P((int, char *, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *, ADDRESS *)); 2527141858Sgshapiroextern int reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)__P((char *, bool, MAILER *, MCI *, ENVELOPE *)), char **, int)); 252864562Sgshapiroextern void smtp __P((char *volatile, BITMAP256, ENVELOPE *volatile)); 252964562Sgshapiro#if SASL 253064562Sgshapiroextern int smtpauth __P((MAILER *, MCI *, ENVELOPE *)); 253164562Sgshapiro#endif /* SASL */ 253290792Sgshapiroextern int smtpdata __P((MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t)); 253364562Sgshapiroextern int smtpgetstat __P((MAILER *, MCI *, ENVELOPE *)); 253464562Sgshapiroextern int smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *)); 253564562Sgshapiroextern void smtpmessage __P((char *, MAILER *, MCI *, ...)); 253664562Sgshapiroextern void smtpinit __P((MAILER *, MCI *, ENVELOPE *, bool)); 253764562Sgshapiroextern char *smtptodsn __P((int)); 253864562Sgshapiroextern int smtpprobe __P((MCI *)); 253964562Sgshapiroextern void smtpquit __P((MAILER *, MCI *, ENVELOPE *)); 254090792Sgshapiroextern int smtprcpt __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t)); 254138032Speterextern void smtprset __P((MAILER *, MCI *, ENVELOPE *)); 254264562Sgshapiro 2543157001Sgshapiro#define REPLYTYPE(r) ((r) / 100) /* first digit of reply code */ 2544223067Sgshapiro#define REPLYCLASS(r) (((r) / 10) % 10) /* second digit of reply code */ 2545223067Sgshapiro#define REPLYMINOR(r) ((r) % 10) /* last digit of reply code */ 254664562Sgshapiro#define ISSMTPCODE(c) (isascii(c[0]) && isdigit(c[0]) && \ 254764562Sgshapiro isascii(c[1]) && isdigit(c[1]) && \ 254864562Sgshapiro isascii(c[2]) && isdigit(c[2])) 254964562Sgshapiro#define ISSMTPREPLY(c) (ISSMTPCODE(c) && \ 255064562Sgshapiro (c[3] == ' ' || c[3] == '-' || c[3] == '\0')) 255164562Sgshapiro 255264562Sgshapiro/* delivery */ 255390792Sgshapiroextern pid_t dowork __P((int, int, char *, bool, bool, ENVELOPE *)); 255490792Sgshapiroextern pid_t doworklist __P((ENVELOPE *, bool, bool)); 255538032Speterextern int endmailer __P((MCI *, ENVELOPE *, char **)); 255664562Sgshapiroextern int mailfile __P((char *volatile, MAILER *volatile, ADDRESS *, volatile long, ENVELOPE *)); 255738032Speterextern void sendall __P((ENVELOPE *, int)); 255864562Sgshapiro 255964562Sgshapiro/* stats */ 256090792Sgshapiro#define STATS_NORMAL 'n' 2561132943Sgshapiro#define STATS_QUARANTINE 'q' 256290792Sgshapiro#define STATS_REJECT 'r' 256394334Sgshapiro#define STATS_CONNECT 'c' 256490792Sgshapiro 256590792Sgshapiroextern void markstats __P((ENVELOPE *, ADDRESS *, int)); 256664562Sgshapiroextern void clearstats __P((void)); 256738032Speterextern void poststats __P((char *)); 256864562Sgshapiro 256964562Sgshapiro/* control socket */ 257064562Sgshapiroextern void closecontrolsocket __P((bool)); 257164562Sgshapiroextern void clrcontrol __P((void)); 257264562Sgshapiroextern void control_command __P((int, ENVELOPE *)); 257364562Sgshapiroextern int opencontrolsocket __P((void)); 257464562Sgshapiro 257590792Sgshapiro#if MILTER 257664562Sgshapiro/* milter functions */ 257790792Sgshapiroextern void milter_config __P((char *, struct milter **, int)); 257864562Sgshapiroextern void milter_setup __P((char *)); 257964562Sgshapiroextern void milter_set_option __P((char *, char *, bool)); 2580173340Sgshapiroextern bool milter_init __P((ENVELOPE *, char *, milters_T *)); 258164562Sgshapiroextern void milter_quit __P((ENVELOPE *)); 258264562Sgshapiroextern void milter_abort __P((ENVELOPE *)); 258364562Sgshapiroextern char *milter_connect __P((char *, SOCKADDR, ENVELOPE *, char *)); 258464562Sgshapiroextern char *milter_helo __P((char *, ENVELOPE *, char *)); 258564562Sgshapiroextern char *milter_envfrom __P((char **, ENVELOPE *, char *)); 2586132943Sgshapiroextern char *milter_data_cmd __P((ENVELOPE *, char *)); 2587168515Sgshapiroextern char *milter_envrcpt __P((char **, ENVELOPE *, char *, bool)); 258864562Sgshapiroextern char *milter_data __P((ENVELOPE *, char *)); 2589132943Sgshapiroextern char *milter_unknown __P((char *, ENVELOPE *, char *)); 259090792Sgshapiro#endif /* MILTER */ 259164562Sgshapiro 259290792Sgshapiroextern char *addquotes __P((char *, SM_RPOOL_T *)); 259338032Speterextern char *arpadate __P((char *)); 259464562Sgshapiroextern bool atobool __P((char *)); 259564562Sgshapiroextern int atooct __P((char *)); 259664562Sgshapiroextern void auth_warning __P((ENVELOPE *, const char *, ...)); 259764562Sgshapiroextern int blocksignal __P((int)); 259864562Sgshapiroextern bool bitintersect __P((BITMAP256, BITMAP256)); 259964562Sgshapiroextern bool bitzerop __P((BITMAP256)); 260090792Sgshapiroextern int check_bodytype __P((char *)); 260164562Sgshapiroextern void buildfname __P((char *, char *, char *, int)); 260290792Sgshapiroextern bool chkclientmodifiers __P((int)); 260390792Sgshapiroextern bool chkdaemonmodifiers __P((int)); 260464562Sgshapiroextern int checkcompat __P((ADDRESS *, ENVELOPE *)); 260564562Sgshapiro#ifdef XDEBUG 260664562Sgshapiroextern void checkfd012 __P((char *)); 260764562Sgshapiroextern void checkfdopen __P((int, char *)); 260864562Sgshapiro#endif /* XDEBUG */ 260964562Sgshapiroextern void checkfds __P((char *)); 261064562Sgshapiroextern bool chownsafe __P((int, bool)); 261164562Sgshapiroextern void cleanstrcpy __P((char *, char *, int)); 261290792Sgshapiro#if SM_CONF_SHM 261390792Sgshapiroextern void cleanup_shm __P((bool)); 261490792Sgshapiro#endif /* SM_CONF_SHM */ 2615132943Sgshapiroextern void close_sendmail_pid __P((void)); 261664562Sgshapiroextern void clrdaemon __P((void)); 2617120256Sgshapiroextern void collect __P((SM_FILE_T *, bool, HDR **, ENVELOPE *, bool)); 2618132943Sgshapiroextern bool connection_rate_check __P((SOCKADDR *, ENVELOPE *)); 261964562Sgshapiroextern time_t convtime __P((char *, int)); 262090792Sgshapiroextern char **copyplist __P((char **, bool, SM_RPOOL_T *)); 262164562Sgshapiroextern void copy_class __P((int, int)); 2622132943Sgshapiroextern int count_open_connections __P((SOCKADDR *)); 262364562Sgshapiroextern time_t curtime __P((void)); 262464562Sgshapiroextern char *defcharset __P((ENVELOPE *)); 262564562Sgshapiroextern char *denlstring __P((char *, bool, bool)); 2626132943Sgshapiroextern void dferror __P((SM_FILE_T *volatile, char *, ENVELOPE *)); 262764562Sgshapiroextern void disconnect __P((int, ENVELOPE *)); 262890792Sgshapiroextern void disk_status __P((SM_FILE_T *, char *)); 262990792Sgshapiroextern bool dns_getcanonname __P((char *, int, bool, int *, int *)); 263077349Sgshapiroextern pid_t dofork __P((void)); 263138032Speterextern int drop_privileges __P((bool)); 263264562Sgshapiroextern int dsntoexitstat __P((char *)); 263364562Sgshapiroextern void dumpfd __P((int, bool, bool)); 2634168515Sgshapiro#if SM_HEAP_CHECK 2635168515Sgshapiroextern void dumpstab __P((void)); 2636168515Sgshapiro#endif /* SM_HEAP_CHECK */ 263764562Sgshapiroextern void dumpstate __P((char *)); 263890792Sgshapiroextern bool enoughdiskspace __P((long, ENVELOPE *)); 263964562Sgshapiroextern char *exitstat __P((char *)); 264090792Sgshapiroextern void fatal_error __P((SM_EXC_T *)); 2641168515Sgshapiroextern char *fgetfolded __P((char *, int *, SM_FILE_T *)); 264238032Speterextern void fill_fd __P((int, char *)); 264364562Sgshapiroextern char *find_character __P((char *, int)); 264490792Sgshapiroextern int finduser __P((char *, bool *, SM_MBDB_T *)); 264590792Sgshapiroextern void finis __P((bool, bool, volatile int)); 264664562Sgshapiroextern void fixcrlf __P((char *, bool)); 2647168515Sgshapiroextern long freediskspace __P((const char *, long *)); 264877349Sgshapiro#if NETINET6 && NEEDSGETIPNODE 264977349Sgshapiroextern void freehostent __P((struct hostent *)); 265090792Sgshapiro#endif /* NETINET6 && NEEDSGETIPNODE */ 265164562Sgshapiroextern char *get_column __P((char *, int, int, char *, int)); 265264562Sgshapiroextern char *getauthinfo __P((int, bool *)); 265364562Sgshapiroextern int getdtsize __P((void)); 265490792Sgshapiroextern int getla __P((void)); 265590792Sgshapiroextern char *getmodifiers __P((char *, BITMAP256)); 265664562Sgshapiroextern BITMAP256 *getrequests __P((ENVELOPE *)); 265764562Sgshapiroextern char *getvendor __P((int)); 265864562Sgshapiroextern void help __P((char *, ENVELOPE *)); 265964562Sgshapiroextern void init_md __P((int, char **)); 266064562Sgshapiroextern void initdaemon __P((void)); 266164562Sgshapiroextern void inithostmaps __P((void)); 266264562Sgshapiroextern void initmacros __P((ENVELOPE *)); 266364562Sgshapiroextern void initsetproctitle __P((int, char **, char **)); 266464562Sgshapiroextern void init_vendor_macros __P((ENVELOPE *)); 266564562Sgshapiroextern SIGFUNC_DECL intsig __P((int)); 2666249729Sgshapiroextern bool isatom __P((const char *)); 266764562Sgshapiroextern bool isloopback __P((SOCKADDR sa)); 266864562Sgshapiroextern void load_if_names __P((void)); 266964562Sgshapiroextern bool lockfile __P((int, char *, char *, int)); 267064562Sgshapiroextern void log_sendmail_pid __P((ENVELOPE *)); 267190792Sgshapiroextern void logundelrcpts __P((ENVELOPE *, char *, int, bool)); 267264562Sgshapiroextern char lower __P((int)); 267364562Sgshapiroextern void makelower __P((char *)); 267464562Sgshapiroextern int makeconnection_ds __P((char *, MCI *)); 267590792Sgshapiroextern int makeconnection __P((char *, volatile unsigned int, MCI *, ENVELOPE *, time_t)); 267690792Sgshapiroextern void makeworkgroups __P((void)); 2677141858Sgshapiroextern void markfailure __P((ENVELOPE *, ADDRESS *, MCI *, int, bool)); 267890792Sgshapiroextern void mark_work_group_restart __P((int, int)); 2679168515Sgshapiroextern MCI *mci_new __P((SM_RPOOL_T *)); 2680168515Sgshapiroextern char *munchstring __P((char *, char **, int)); 268164562Sgshapiroextern struct hostent *myhostname __P((char *, int)); 2682132943Sgshapiroextern char *newstr __P((const char *)); 2683110560Sgshapiro#if NISPLUS 268464562Sgshapiroextern char *nisplus_default_domain __P((void)); /* extern for Sun */ 2685110560Sgshapiro#endif /* NISPLUS */ 268664562Sgshapiroextern bool path_is_dir __P((char *, bool)); 268790792Sgshapiroextern int pickqdir __P((QUEUEGRP *qg, long fsize, ENVELOPE *e)); 268864562Sgshapiroextern char *pintvl __P((time_t, bool)); 2689132943Sgshapiroextern void printav __P((SM_FILE_T *, char **)); 2690132943Sgshapiroextern void printmailer __P((SM_FILE_T *, MAILER *)); 269190792Sgshapiroextern void printnqe __P((SM_FILE_T *, char *)); 269264562Sgshapiroextern void printopenfds __P((bool)); 269364562Sgshapiroextern void printqueue __P((void)); 269464562Sgshapiroextern void printrules __P((void)); 269577349Sgshapiroextern pid_t prog_open __P((char **, int *, ENVELOPE *)); 2696157001Sgshapiroextern bool putline __P((char *, MCI *)); 2697157001Sgshapiroextern bool putxline __P((char *, size_t, MCI *, int)); 269890792Sgshapiroextern void queueup_macros __P((int, SM_FILE_T *, ENVELOPE *)); 269964562Sgshapiroextern void readcf __P((char *, bool, ENVELOPE *)); 270064562Sgshapiroextern SIGFUNC_DECL reapchild __P((int)); 270164562Sgshapiroextern int releasesignal __P((int)); 270264562Sgshapiroextern void resetlimits __P((void)); 270390792Sgshapiroextern void restart_daemon __P((void)); 2704120256Sgshapiroextern void restart_marked_work_groups __P((void)); 270564562Sgshapiroextern bool rfc822_string __P((char *)); 2706168515Sgshapiroextern void rmexpstab __P((void)); 270790792Sgshapiroextern bool savemail __P((ENVELOPE *, bool)); 270864562Sgshapiroextern void seed_random __P((void)); 270964562Sgshapiroextern void sendtoargv __P((char **, ENVELOPE *)); 271064562Sgshapiroextern void setclientoptions __P((char *)); 271164562Sgshapiroextern bool setdaemonoptions __P((char *)); 271264562Sgshapiroextern void setdefaults __P((ENVELOPE *)); 271364562Sgshapiroextern void setdefuser __P((void)); 271464562Sgshapiroextern bool setvendor __P((char *)); 271590792Sgshapiroextern void set_op_mode __P((int)); 271664562Sgshapiroextern void setoption __P((int, char *, bool, bool, ENVELOPE *)); 271738032Speterextern sigfunc_t setsignal __P((int, sigfunc_t)); 2718157001Sgshapiroextern void sm_setuserenv __P((const char *, const char *)); 271964562Sgshapiroextern void settime __P((ENVELOPE *)); 2720182352Sgshapiro#if STARTTLS 2721182352Sgshapiroextern void set_tls_rd_tmo __P((int)); 2722182352Sgshapiro#else /* STARTTLS */ 2723182352Sgshapiro#define set_tls_rd_tmo(rd_tmo) 2724182352Sgshapiro#endif /* STARTTLS */ 272590792Sgshapiroextern char *sfgets __P((char *, int, SM_FILE_T *, time_t, char *)); 272690792Sgshapiroextern char *shortenstring __P((const char *, size_t)); 272773188Sgshapiroextern char *shorten_hostname __P((char [])); 272864562Sgshapiroextern bool shorten_rfc822_string __P((char *, size_t)); 272977349Sgshapiroextern void shutdown_daemon __P((void)); 2730132943Sgshapiroextern void sm_closefrom __P((int lowest, int highest)); 2731132943Sgshapiroextern void sm_close_on_exec __P((int lowest, int highest)); 273264562Sgshapiroextern struct hostent *sm_gethostbyname __P((char *, int)); 273338032Speterextern struct hostent *sm_gethostbyaddr __P((char *, int, int)); 273490792Sgshapiroextern void sm_getla __P((void)); 273538032Speterextern struct passwd *sm_getpwnam __P((char *)); 273638032Speterextern struct passwd *sm_getpwuid __P((UID_T)); 273764562Sgshapiroextern void sm_setproctitle __P((bool, ENVELOPE *, const char *, ...)); 273890792Sgshapiroextern pid_t sm_wait __P((int *)); 273990792Sgshapiroextern bool split_by_recipient __P((ENVELOPE *e)); 274077349Sgshapiroextern void stop_sendmail __P((void)); 2741110560Sgshapiroextern void stripbackslash __P((char *)); 274298841Sgshapiroextern bool strreplnonprt __P((char *, int)); 274390792Sgshapiroextern bool strcontainedin __P((bool, char *, char *)); 274464562Sgshapiroextern int switch_map_find __P((char *, char *[], short [])); 2745168515Sgshapiro#if STARTTLS 2746168515Sgshapiroextern void tls_set_verify __P((SSL_CTX *, SSL *, bool)); 2747168515Sgshapiro#endif /* STARTTLS */ 274864562Sgshapiroextern bool transienterror __P((int)); 274990792Sgshapiroextern void truncate_at_delim __P((char *, size_t, int)); 275064562Sgshapiroextern void tTflag __P((char *)); 275190792Sgshapiroextern void tTsetup __P((unsigned char *, unsigned int, char *)); 275290792Sgshapiroextern SIGFUNC_DECL tick __P((int)); 275364562Sgshapiroextern char *ttypath __P((void)); 275464562Sgshapiroextern void unlockqueue __P((ENVELOPE *)); 275564562Sgshapiro#if !HASUNSETENV 275664562Sgshapiroextern void unsetenv __P((char *)); 275764562Sgshapiro#endif /* !HASUNSETENV */ 275890792Sgshapiro 275990792Sgshapiro/* update file system information: +/- some blocks */ 276090792Sgshapiro#if SM_CONF_SHM 2761184980Sgshapiroextern void upd_qs __P((ENVELOPE *, int, int, char *)); 2762147078Sgshapiro# define updfs(e, count, space, where) upd_qs(e, count, space, where) 276390792Sgshapiro#else /* SM_CONF_SHM */ 2764147078Sgshapiro# define updfs(e, count, space, where) 2765147078Sgshapiro# define upd_qs(e, count, space, where) 276690792Sgshapiro#endif /* SM_CONF_SHM */ 276790792Sgshapiro 276864562Sgshapiroextern char *username __P((void)); 276964562Sgshapiroextern bool usershellok __P((char *, char *)); 277064562Sgshapiroextern void vendor_post_defaults __P((ENVELOPE *)); 277164562Sgshapiroextern void vendor_pre_defaults __P((ENVELOPE *)); 277264562Sgshapiroextern int waitfor __P((pid_t)); 277364562Sgshapiroextern bool writable __P((char *, ADDRESS *, long)); 277490792Sgshapiro#if SM_HEAP_CHECK 277590792Sgshapiro# define xalloc(size) xalloc_tagged(size, __FILE__, __LINE__) 277690792Sgshapiroextern char *xalloc_tagged __P((int, char*, int)); 277790792Sgshapiro#else /* SM_HEAP_CHECK */ 277890792Sgshapiroextern char *xalloc __P((int)); 277990792Sgshapiro#endif /* SM_HEAP_CHECK */ 2780132943Sgshapiroextern void xputs __P((SM_FILE_T *, const char *)); 278164562Sgshapiroextern char *xtextify __P((char *, char *)); 278264562Sgshapiroextern bool xtextok __P((char *)); 278390792Sgshapiroextern int xunlink __P((char *)); 278464562Sgshapiroextern char *xuntextify __P((char *)); 278590792Sgshapiro 278690792Sgshapiro 2787168515Sgshapiro#undef EXTERN 278890792Sgshapiro#endif /* ! _SENDMAIL_H */ 2789