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Diffstat (limited to 'contrib/sendmail/src/sendmail.h')
| -rw-r--r-- | contrib/sendmail/src/sendmail.h | 2656 |
1 files changed, 0 insertions, 2656 deletions
diff --git a/contrib/sendmail/src/sendmail.h b/contrib/sendmail/src/sendmail.h deleted file mode 100644 index 82ab6a9..0000000 --- a/contrib/sendmail/src/sendmail.h +++ /dev/null @@ -1,2656 +0,0 @@ -/* - * Copyright (c) 1998-2007 Sendmail, Inc. and its suppliers. - * All rights reserved. - * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. - * Copyright (c) 1988, 1993 - * The Regents of the University of California. All rights reserved. - * - * By using this file, you agree to the terms and conditions set - * forth in the LICENSE file which can be found at the top level of - * the sendmail distribution. - */ - -/* -** SENDMAIL.H -- MTA-specific definitions for sendmail. -*/ - -#ifndef _SENDMAIL_H -# define _SENDMAIL_H 1 - -#ifndef MILTER -# define MILTER 1 /* turn on MILTER by default */ -#endif /* MILTER */ - -#ifdef _DEFINE -# define EXTERN -#else /* _DEFINE */ -# define EXTERN extern -#endif /* _DEFINE */ - - -#include <unistd.h> - -#include <stddef.h> -#include <stdlib.h> -#include <stdio.h> -#include <ctype.h> -#include <setjmp.h> -#include <string.h> -#include <time.h> -# ifdef EX_OK -# undef EX_OK /* for SVr4.2 SMP */ -# endif /* EX_OK */ - -#include "sendmail/sendmail.h" - -/* profiling? */ -#if MONCONTROL -# define SM_PROF(x) moncontrol(x) -#else /* MONCONTROL */ -# define SM_PROF(x) -#endif /* MONCONTROL */ - -#ifdef _DEFINE -# ifndef lint -SM_UNUSED(static char SmailId[]) = "@(#)$Id: sendmail.h,v 8.1052 2007/10/05 23:06:30 ca Exp $"; -# endif /* ! lint */ -#endif /* _DEFINE */ - -#include "bf.h" -#include "timers.h" -#include <sm/exc.h> -#include <sm/heap.h> -#include <sm/debug.h> -#include <sm/rpool.h> -#include <sm/io.h> -#include <sm/path.h> -#include <sm/signal.h> -#include <sm/clock.h> -#include <sm/mbdb.h> -#include <sm/errstring.h> -#include <sm/sysexits.h> -#include <sm/shm.h> -#include <sm/misc.h> - -#ifdef LOG -# include <syslog.h> -#endif /* LOG */ - - - -# if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 -# include <sys/socket.h> -# endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */ -# if NETUNIX -# include <sys/un.h> -# endif /* NETUNIX */ -# if NETINET || NETINET6 -# include <netinet/in.h> -# endif /* NETINET || NETINET6 */ -# if NETINET6 -/* -** There is no standard yet for IPv6 includes. -** Specify OS specific implementation in conf.h -*/ -# endif /* NETINET6 */ -# if NETISO -# include <netiso/iso.h> -# endif /* NETISO */ -# if NETNS -# include <netns/ns.h> -# endif /* NETNS */ -# if NETX25 -# include <netccitt/x25.h> -# endif /* NETX25 */ - -# if NAMED_BIND -# include <arpa/nameser.h> -# ifdef NOERROR -# undef NOERROR /* avoid <sys/streams.h> conflict */ -# endif /* NOERROR */ -# include <resolv.h> -# else /* NAMED_BIND */ -# undef SM_SET_H_ERRNO -# define SM_SET_H_ERRNO(err) -# endif /* NAMED_BIND */ - -# if HESIOD -# include <hesiod.h> -# if !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) -# define HESIOD_INIT /* support for the new interface */ -# endif /* !defined(HES_ER_OK) || defined(HESIOD_INTERFACES) */ -# endif /* HESIOD */ - -#if STARTTLS -# include <openssl/ssl.h> -# if !TLS_NO_RSA -# define RSA_KEYLENGTH 512 -# endif /* !TLS_NO_RSA */ -#endif /* STARTTLS */ - -#if SASL /* include the sasl include files if we have them */ - - -# if SASL == 2 || SASL >= 20000 -# include <sasl/sasl.h> -# include <sasl/saslutil.h> -# else /* SASL == 2 || SASL >= 20000 */ -# include <sasl.h> -# include <saslutil.h> -# endif /* SASL == 2 || SASL >= 20000 */ -# if defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) -# define SASL_VERSION (SASL_VERSION_MAJOR * 10000) + (SASL_VERSION_MINOR * 100) + SASL_VERSION_STEP -# if SASL == 1 || SASL == 2 -# undef SASL -# define SASL SASL_VERSION -# else /* SASL == 1 || SASL == 2 */ -# if SASL != SASL_VERSION - ERROR README: -DSASL (SASL) does not agree with the version of the CYRUS_SASL library (SASL_VERSION) - ERROR README: see README! -# endif /* SASL != SASL_VERSION */ -# endif /* SASL == 1 || SASL == 2 */ -# else /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */ -# if SASL == 1 - ERROR README: please set -DSASL to the version of the CYRUS_SASL library - ERROR README: see README! -# endif /* SASL == 1 */ -# endif /* defined(SASL_VERSION_MAJOR) && defined(SASL_VERSION_MINOR) && defined(SASL_VERSION_STEP) */ -#endif /* SASL */ - -/* -** Following are "sort of" configuration constants, but they should -** be pretty solid on most architectures today. They have to be -** defined after <arpa/nameser.h> because some versions of that -** file also define them. In all cases, we can't use sizeof because -** some systems (e.g., Crays) always treat everything as being at -** least 64 bits. -*/ - -#ifndef INADDRSZ -# define INADDRSZ 4 /* size of an IPv4 address in bytes */ -#endif /* ! INADDRSZ */ -#ifndef IN6ADDRSZ -# define IN6ADDRSZ 16 /* size of an IPv6 address in bytes */ -#endif /* ! IN6ADDRSZ */ -#ifndef INT16SZ -# define INT16SZ 2 /* size of a 16 bit integer in bytes */ -#endif /* ! INT16SZ */ -#ifndef INT32SZ -# define INT32SZ 4 /* size of a 32 bit integer in bytes */ -#endif /* ! INT32SZ */ -#ifndef INADDR_LOOPBACK -# define INADDR_LOOPBACK 0x7f000001 /* loopback address */ -#endif /* ! INADDR_LOOPBACK */ - -/* -** Error return from inet_addr(3), in case not defined in /usr/include. -*/ - -#ifndef INADDR_NONE -# define INADDR_NONE 0xffffffff -#endif /* ! INADDR_NONE */ - - -/* (f)open() modes for queue files */ -# define QF_O_EXTRA 0 - - -/* -** An 'argument class' describes the storage allocation status -** of an object pointed to by an argument to a function. -*/ - -typedef enum -{ - A_HEAP, /* the storage was allocated by malloc, and the - * ownership of the storage is ceded by the caller - * to the called function. */ - A_TEMP, /* The storage is temporary, and is only guaranteed - * to be valid for the duration of the function call. */ - A_PERM /* The storage is 'permanent': this might mean static - * storage, or rpool storage. */ -} ARGCLASS_T; - -/* forward references for prototypes */ -typedef struct envelope ENVELOPE; -typedef struct mailer MAILER; -typedef struct queuegrp QUEUEGRP; - -/* -** Address structure. -** Addresses are stored internally in this structure. -*/ - -struct address -{ - char *q_paddr; /* the printname for the address */ - char *q_user; /* user name */ - char *q_ruser; /* real user name, or NULL if q_user */ - char *q_host; /* host name */ - struct mailer *q_mailer; /* mailer to use */ - unsigned long q_flags; /* status flags, see below */ - uid_t q_uid; /* user-id of receiver (if known) */ - gid_t q_gid; /* group-id of receiver (if known) */ - char *q_home; /* home dir (local mailer only) */ - char *q_fullname; /* full name if known */ - struct address *q_next; /* chain */ - struct address *q_alias; /* address this results from */ - char *q_owner; /* owner of q_alias */ - struct address *q_tchain; /* temporary use chain */ -#if PIPELINING - struct address *q_pchain; /* chain for pipelining */ -#endif /* PIPELINING */ - char *q_finalrcpt; /* Final-Recipient: DSN header */ - char *q_orcpt; /* ORCPT parameter from RCPT TO: line */ - char *q_status; /* status code for DSNs */ - char *q_rstatus; /* remote status message for DSNs */ - time_t q_statdate; /* date of status messages */ - char *q_statmta; /* MTA generating q_rstatus */ - short q_state; /* address state, see below */ - char *q_signature; /* MX-based sorting value */ - int q_qgrp; /* index into queue groups */ - int q_qdir; /* queue directory inside group */ - char *q_message; /* error message */ -}; - -typedef struct address ADDRESS; - -/* bit values for q_flags */ -#define QGOODUID 0x00000001 /* the q_uid q_gid fields are good */ -#define QPRIMARY 0x00000002 /* set from RCPT or argv */ -#define QNOTREMOTE 0x00000004 /* address not for remote forwarding */ -#define QSELFREF 0x00000008 /* this address references itself */ -#define QBOGUSSHELL 0x00000010 /* user has no valid shell listed */ -#define QUNSAFEADDR 0x00000020 /* address acquired via unsafe path */ -#define QPINGONSUCCESS 0x00000040 /* give return on successful delivery */ -#define QPINGONFAILURE 0x00000080 /* give return on failure */ -#define QPINGONDELAY 0x00000100 /* give return on message delay */ -#define QHASNOTIFY 0x00000200 /* propagate notify parameter */ -#define QRELAYED 0x00000400 /* DSN: relayed to non-DSN aware sys */ -#define QEXPANDED 0x00000800 /* DSN: undergone list expansion */ -#define QDELIVERED 0x00001000 /* DSN: successful final delivery */ -#define QDELAYED 0x00002000 /* DSN: message delayed */ -#define QALIAS 0x00004000 /* expanded alias */ -#define QBYTRACE 0x00008000 /* DeliverBy: trace */ -#define QBYNDELAY 0x00010000 /* DeliverBy: notify, delay */ -#define QBYNRELAY 0x00020000 /* DeliverBy: notify, relayed */ -#define QTHISPASS 0x40000000 /* temp: address set this pass */ -#define QRCPTOK 0x80000000 /* recipient() processed address */ - -#define Q_PINGFLAGS (QPINGONSUCCESS|QPINGONFAILURE|QPINGONDELAY) - -/* values for q_state */ -#define QS_OK 0 /* address ok (for now)/not yet tried */ -#define QS_SENT 1 /* good address, delivery complete */ -#define QS_BADADDR 2 /* illegal address */ -#define QS_QUEUEUP 3 /* save address in queue */ -#define QS_RETRY 4 /* retry delivery for next MX */ -#define QS_VERIFIED 5 /* verified, but not expanded */ - -/* -** Notice: all of the following values are variations of QS_DONTSEND. -** If new states are added, they must be inserted in the proper place! -** See the macro definition of QS_IS_DEAD() down below. -*/ - -#define QS_DONTSEND 6 /* don't send to this address */ -#define QS_EXPANDED 7 /* expanded */ -#define QS_SENDER 8 /* message sender (MeToo) */ -#define QS_CLONED 9 /* addr cloned to split envelope */ -#define QS_DISCARDED 10 /* rcpt discarded (EF_DISCARD) */ -#define QS_REPLACED 11 /* maplocaluser()/UserDB replaced */ -#define QS_REMOVED 12 /* removed (removefromlist()) */ -#define QS_DUPLICATE 13 /* duplicate suppressed */ -#define QS_INCLUDED 14 /* :include: delivery */ -#define QS_FATALERR 15 /* fatal error, don't deliver */ - -/* address state testing primitives */ -#define QS_IS_OK(s) ((s) == QS_OK) -#define QS_IS_SENT(s) ((s) == QS_SENT) -#define QS_IS_BADADDR(s) ((s) == QS_BADADDR) -#define QS_IS_QUEUEUP(s) ((s) == QS_QUEUEUP) -#define QS_IS_RETRY(s) ((s) == QS_RETRY) -#define QS_IS_VERIFIED(s) ((s) == QS_VERIFIED) -#define QS_IS_EXPANDED(s) ((s) == QS_EXPANDED) -#define QS_IS_REMOVED(s) ((s) == QS_REMOVED) -#define QS_IS_UNDELIVERED(s) ((s) == QS_OK || \ - (s) == QS_QUEUEUP || \ - (s) == QS_RETRY || \ - (s) == QS_VERIFIED) -#define QS_IS_UNMARKED(s) ((s) == QS_OK || \ - (s) == QS_RETRY) -#define QS_IS_SENDABLE(s) ((s) == QS_OK || \ - (s) == QS_QUEUEUP || \ - (s) == QS_RETRY) -#define QS_IS_ATTEMPTED(s) ((s) == QS_QUEUEUP || \ - (s) == QS_RETRY || \ - (s) == QS_SENT || \ - (s) == QS_DISCARDED) -#define QS_IS_DEAD(s) ((s) >= QS_DONTSEND) - - -#define NULLADDR ((ADDRESS *) NULL) - -extern ADDRESS NullAddress; /* a null (template) address [main.c] */ - -/* functions */ -extern void cataddr __P((char **, char **, char *, int, int, bool)); -extern char *crackaddr __P((char *, ENVELOPE *)); -extern bool emptyaddr __P((ADDRESS *)); -extern ADDRESS *getctladdr __P((ADDRESS *)); -extern int include __P((char *, bool, ADDRESS *, ADDRESS **, int, ENVELOPE *)); -extern bool invalidaddr __P((char *, char *, bool)); -extern ADDRESS *parseaddr __P((char *, ADDRESS *, int, int, char **, - ENVELOPE *, bool)); -extern char **prescan __P((char *, int, char[], int, char **, unsigned char *, bool)); -extern void printaddr __P((SM_FILE_T *, ADDRESS *, bool)); -extern ADDRESS *recipient __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); -extern char *remotename __P((char *, MAILER *, int, int *, ENVELOPE *)); -extern int rewrite __P((char **, int, int, ENVELOPE *, int)); -extern bool sameaddr __P((ADDRESS *, ADDRESS *)); -extern int sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *)); -#if MILTER -extern int removefromlist __P((char *, ADDRESS **, ENVELOPE *)); -#endif /* MILTER */ -extern void setsender __P((char *, ENVELOPE *, char **, int, bool)); -typedef void esmtp_args_F __P((ADDRESS *, char *, char *, ENVELOPE *)); -extern void parse_esmtp_args __P((ENVELOPE *, ADDRESS *, char *, char *, - char *, char *args[], esmtp_args_F)); -extern esmtp_args_F mail_esmtp_args; -extern esmtp_args_F rcpt_esmtp_args; -extern void reset_mail_esmtp_args __P((ENVELOPE *)); - -/* macro to simplify the common call to rewrite() */ -#define REWRITE(pvp, rs, env) rewrite(pvp, rs, 0, env, MAXATOM) - -/* -** Token Tables for prescan -*/ - -extern unsigned char ExtTokenTab[256]; /* external strings */ -extern unsigned char IntTokenTab[256]; /* internal strings */ - - -/* -** Mailer definition structure. -** Every mailer known to the system is declared in this -** structure. It defines the pathname of the mailer, some -** flags associated with it, and the argument vector to -** pass to it. The flags are defined in conf.c -** -** The argument vector is expanded before actual use. All -** words except the first are passed through the macro -** processor. -*/ - -struct mailer -{ - char *m_name; /* symbolic name of this mailer */ - char *m_mailer; /* pathname of the mailer to use */ - char *m_mtatype; /* type of this MTA */ - char *m_addrtype; /* type for addresses */ - char *m_diagtype; /* type for diagnostics */ - BITMAP256 m_flags; /* status flags, see below */ - short m_mno; /* mailer number internally */ - short m_nice; /* niceness to run at (mostly for prog) */ - char **m_argv; /* template argument vector */ - short m_sh_rwset; /* rewrite set: sender header addresses */ - short m_se_rwset; /* rewrite set: sender envelope addresses */ - short m_rh_rwset; /* rewrite set: recipient header addresses */ - short m_re_rwset; /* rewrite set: recipient envelope addresses */ - char *m_eol; /* end of line string */ - long m_maxsize; /* size limit on message to this mailer */ - int m_linelimit; /* max # characters per line */ - int m_maxdeliveries; /* max deliveries per mailer connection */ - char *m_execdir; /* directory to chdir to before execv */ - char *m_rootdir; /* directory to chroot to before execv */ - uid_t m_uid; /* UID to run as */ - gid_t m_gid; /* GID to run as */ - char *m_defcharset; /* default character set */ - time_t m_wait; /* timeout to wait for end */ - int m_maxrcpt; /* max recipients per envelope client-side */ - short m_qgrp; /* queue group for this mailer */ -}; - -/* bits for m_flags */ -#define M_ESMTP 'a' /* run Extended SMTP */ -#define M_ALIASABLE 'A' /* user can be LHS of an alias */ -#define M_BLANKEND 'b' /* ensure blank line at end of message */ -#define M_STRIPBACKSL 'B' /* strip all leading backslashes from user */ -#define M_NOCOMMENT 'c' /* don't include comment part of address */ -#define M_CANONICAL 'C' /* make addresses canonical "u@dom" */ -#define M_NOBRACKET 'd' /* never angle bracket envelope route-addrs */ - /* 'D' CF: include Date: */ -#define M_EXPENSIVE 'e' /* it costs to use this mailer.... */ -#define M_ESCFROM 'E' /* escape From lines to >From */ -#define M_FOPT 'f' /* mailer takes picky -f flag */ - /* 'F' CF: include From: or Resent-From: */ -#define M_NO_NULL_FROM 'g' /* sender of errors should be $g */ -#define M_HST_UPPER 'h' /* preserve host case distinction */ -#define M_PREHEAD 'H' /* MAIL11V3: preview headers */ -#define M_UDBENVELOPE 'i' /* do udbsender rewriting on envelope */ -#define M_INTERNAL 'I' /* SMTP to another sendmail site */ -#define M_UDBRECIPIENT 'j' /* do udbsender rewriting on recipient lines */ -#define M_NOLOOPCHECK 'k' /* don't check for loops in HELO command */ -#define M_CHUNKING 'K' /* CHUNKING: reserved for future use */ -#define M_LOCALMAILER 'l' /* delivery is to this host */ -#define M_LIMITS 'L' /* must enforce SMTP line limits */ -#define M_MUSER 'm' /* can handle multiple users at once */ - /* 'M' CF: include Message-Id: */ -#define M_NHDR 'n' /* don't insert From line */ -#define M_MANYSTATUS 'N' /* MAIL11V3: DATA returns multi-status */ -#define M_RUNASRCPT 'o' /* always run mailer as recipient */ -#define M_FROMPATH 'p' /* use reverse-path in MAIL FROM: */ - /* 'P' CF: include Return-Path: */ -#define M_VRFY250 'q' /* VRFY command returns 250 instead of 252 */ -#define M_ROPT 'r' /* mailer takes picky -r flag */ -#define M_SECURE_PORT 'R' /* try to send on a reserved TCP port */ -#define M_STRIPQ 's' /* strip quote chars from user/host */ -#define M_SPECIFIC_UID 'S' /* run as specific uid/gid */ -#define M_USR_UPPER 'u' /* preserve user case distinction */ -#define M_UGLYUUCP 'U' /* this wants an ugly UUCP from line */ -#define M_CONTENT_LEN 'v' /* add Content-Length: header (SVr4) */ - /* 'V' UIUC: !-relativize all addresses */ -#define M_HASPWENT 'w' /* check for /etc/passwd entry */ -#define M_NOHOSTSTAT 'W' /* ignore long term host status information */ - /* 'x' CF: include Full-Name: */ -#define M_XDOT 'X' /* use hidden-dot algorithm */ -#define M_LMTP 'z' /* run Local Mail Transport Protocol */ -#define M_DIALDELAY 'Z' /* apply dial delay sleeptime */ -#define M_NOMX '0' /* turn off MX lookups */ -#define M_NONULLS '1' /* don't send null bytes */ -#define M_FSMTP '2' /* force SMTP (no ESMTP even if offered) */ -#define M_EBCDIC '3' /* extend Q-P encoding for EBCDIC */ -#define M_TRYRULESET5 '5' /* use ruleset 5 after local aliasing */ -#define M_7BITHDRS '6' /* strip headers to 7 bits even in 8 bit path */ -#define M_7BITS '7' /* use 7-bit path */ -#define M_8BITS '8' /* force "just send 8" behaviour */ -#define M_MAKE8BIT '9' /* convert 7 -> 8 bit if appropriate */ -#define M_CHECKINCLUDE ':' /* check for :include: files */ -#define M_CHECKPROG '|' /* check for |program addresses */ -#define M_CHECKFILE '/' /* check for /file addresses */ -#define M_CHECKUDB '@' /* user can be user database key */ -#define M_CHECKHDIR '~' /* SGI: check for valid home directory */ -#define M_HOLD '%' /* Hold delivery until ETRN/-qI/-qR/-qS */ -#define M_PLUS '+' /* Reserved: Used in mc for adding new flags */ -#define M_MINUS '-' /* Reserved: Used in mc for removing flags */ - -/* functions */ -extern void initerrmailers __P((void)); -extern void makemailer __P((char *)); -extern void makequeue __P((char *, bool)); -extern void runqueueevent __P((int)); -#if _FFR_QUEUE_RUN_PARANOIA -extern bool checkqueuerunner __P((void)); -#endif /* _FFR_QUEUE_RUN_PARANOIA */ - -EXTERN MAILER *FileMailer; /* ptr to *file* mailer */ -EXTERN MAILER *InclMailer; /* ptr to *include* mailer */ -EXTERN MAILER *LocalMailer; /* ptr to local mailer */ -EXTERN MAILER *ProgMailer; /* ptr to program mailer */ -EXTERN MAILER *Mailer[MAXMAILERS + 1]; - -/* -** Queue group definition structure. -** Every queue group known to the system is declared in this structure. -** It defines the basic pathname of the queue group, some flags -** associated with it, and the argument vector to pass to it. -*/ - -struct qpaths_s -{ - char *qp_name; /* name of queue dir, relative path */ - short qp_subdirs; /* use subdirs? */ - short qp_fsysidx; /* file system index of this directory */ -# if SM_CONF_SHM - int qp_idx; /* index into array for queue information */ -# endif /* SM_CONF_SHM */ -}; - -typedef struct qpaths_s QPATHS; - -struct queuegrp -{ - char *qg_name; /* symbolic name of this queue group */ - - /* - ** For now this is the same across all queue groups. - ** Otherwise we have to play around with chdir(). - */ - - char *qg_qdir; /* common component of queue directory */ - short qg_index; /* queue number internally, index in Queue[] */ - int qg_maxqrun; /* max # of jobs in 1 queuerun */ - int qg_numqueues; /* number of queues in this queue */ - - /* - ** qg_queueintvl == 0 denotes that no individual value is used. - ** Whatever accesses this must deal with "<= 0" as - ** "not set, use appropriate default". - */ - - time_t qg_queueintvl; /* interval for queue runs */ - QPATHS *qg_qpaths; /* list of queue directories */ - BITMAP256 qg_flags; /* status flags, see below */ - short qg_nice; /* niceness for queue run */ - int qg_wgrp; /* Assigned to this work group */ - int qg_maxlist; /* max items in work queue for this group */ - int qg_curnum; /* current number of queue for queue runs */ - int qg_maxrcpt; /* max recipients per envelope, 0==no limit */ - - time_t qg_nextrun; /* time for next queue runs */ -#if _FFR_QUEUE_GROUP_SORTORDER - short qg_sortorder; /* how do we sort this queuerun */ -#endif /* _FFR_QUEUE_GROUP_SORTORDER */ -#if 0 - long qg_wkrcptfact; /* multiplier for # recipients -> priority */ - long qg_qfactor; /* slope of queue function */ - bool qg_doqueuerun; /* XXX flag is it time to do a queuerun */ -#endif /* 0 */ -}; - -/* bits for qg_flags (XXX: unused as of now) */ -#define QD_DEFINED ((char) 1) /* queue group has been defined */ -#define QD_FORK 'f' /* fork queue runs */ - -extern void filesys_update __P((void)); -#if _FFR_ANY_FREE_FS -extern bool filesys_free __P((long)); -#endif /* _FFR_ANY_FREE_FS */ - -#if SASL -/* -** SASL -*/ - -/* lines in authinfo file or index into SASL_AI_T */ -# define SASL_WRONG (-1) -# define SASL_USER 0 /* authorization id (user) */ -# define SASL_AUTHID 1 /* authentication id */ -# define SASL_PASSWORD 2 /* password fuer authid */ -# define SASL_DEFREALM 3 /* realm to use */ -# define SASL_MECHLIST 4 /* list of mechanisms to try */ -# define SASL_ID_REALM 5 /* authid@defrealm */ - -/* -** Current mechanism; this is just used to convey information between -** invocation of SASL callback functions. -** It must be last in the list, because it's not allocated by us -** and hence we don't free() it. -*/ -# define SASL_MECH 6 -# define SASL_ENTRIES 7 /* number of entries in array */ - -# define SASL_USER_BIT (1 << SASL_USER) -# define SASL_AUTHID_BIT (1 << SASL_AUTHID) -# define SASL_PASSWORD_BIT (1 << SASL_PASSWORD) -# define SASL_DEFREALM_BIT (1 << SASL_DEFREALM) -# define SASL_MECHLIST_BIT (1 << SASL_MECHLIST) - -/* authenticated? */ -# define SASL_NOT_AUTH 0 /* not authenticated */ -# define SASL_PROC_AUTH 1 /* in process of authenticating */ -# define SASL_IS_AUTH 2 /* authenticated */ - -/* SASL options */ -# define SASL_AUTH_AUTH 0x1000 /* use auth= only if authenticated */ -# if SASL >= 20101 -# define SASL_SEC_MASK SASL_SEC_MAXIMUM /* mask for SASL_SEC_* values: sasl.h */ -# else /* SASL >= 20101 */ -# define SASL_SEC_MASK 0x0fff /* mask for SASL_SEC_* values: sasl.h */ -# if (SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 || \ - (SASL_SEC_NOACTIVE & SASL_SEC_MASK) == 0 || \ - (SASL_SEC_NODICTIONARY & SASL_SEC_MASK) == 0 || \ - (SASL_SEC_FORWARD_SECRECY & SASL_SEC_MASK) == 0 || \ - (SASL_SEC_NOANONYMOUS & SASL_SEC_MASK) == 0 || \ - (SASL_SEC_PASS_CREDENTIALS & SASL_SEC_MASK) == 0 -ERROR: change SASL_SEC_MASK_ notify sendmail.org! -# endif /* SASL_SEC_NOPLAINTEXT & SASL_SEC_MASK) == 0 ... */ -# endif /* SASL >= 20101 */ -# define MAXOUTLEN 8192 /* length of output buffer */ - -/* functions */ -extern char *intersect __P((char *, char *, SM_RPOOL_T *)); -extern char *iteminlist __P((char *, char *, char *)); -# if SASL >= 20000 -extern int proxy_policy __P((sasl_conn_t *, void *, const char *, unsigned, const char *, unsigned, const char *, unsigned, struct propctx *)); -extern int safesaslfile __P((void *, const char *, sasl_verify_type_t)); -# else /* SASL >= 20000 */ -extern int proxy_policy __P((void *, const char *, const char *, const char **, const char **)); -# if SASL > 10515 -extern int safesaslfile __P((void *, char *, int)); -# else /* SASL > 10515 */ -extern int safesaslfile __P((void *, char *)); -# endif /* SASL > 10515 */ -# endif /* SASL >= 20000 */ -extern void stop_sasl_client __P((void)); - -/* structure to store authinfo */ -typedef char *SASL_AI_T[SASL_ENTRIES]; - -EXTERN char *AuthMechanisms; /* AUTH mechanisms */ -EXTERN char *AuthRealm; /* AUTH realm */ -EXTERN char *SASLInfo; /* file with AUTH info */ -EXTERN int SASLOpts; /* options for SASL */ -EXTERN int MaxSLBits; /* max. encryption bits for SASL */ -#endif /* SASL */ - -/* -** Structure to store macros. -*/ -typedef struct -{ - SM_RPOOL_T *mac_rpool; /* resource pool */ - BITMAP256 mac_allocated; /* storage has been alloc()? */ - char *mac_table[MAXMACROID + 1]; /* macros */ -} MACROS_T; - -EXTERN MACROS_T GlobalMacros; - -/* -** Information about currently open connections to mailers, or to -** hosts that we have looked up recently. -*/ - -#define MCI struct mailer_con_info - -MCI -{ - unsigned long mci_flags; /* flag bits, see below */ - short mci_errno; /* error number on last connection */ - short mci_herrno; /* h_errno from last DNS lookup */ - short mci_exitstat; /* exit status from last connection */ - short mci_state; /* SMTP state */ - int mci_deliveries; /* delivery attempts for connection */ - long mci_maxsize; /* max size this server will accept */ - SM_FILE_T *mci_in; /* input side of connection */ - SM_FILE_T *mci_out; /* output side of connection */ - pid_t mci_pid; /* process id of subordinate proc */ - char *mci_phase; /* SMTP phase string */ - struct mailer *mci_mailer; /* ptr to the mailer for this conn */ - char *mci_host; /* host name */ - char *mci_status; /* DSN status to be copied to addrs */ - char *mci_rstatus; /* SMTP status to be copied to addrs */ - time_t mci_lastuse; /* last usage time */ - SM_FILE_T *mci_statfile; /* long term status file */ - char *mci_heloname; /* name to use as HELO arg */ - long mci_min_by; /* minimum DELIVERBY */ - bool mci_retryrcpt; /* tempfail for at least one rcpt */ - char *mci_tolist; /* list of valid recipients */ - SM_RPOOL_T *mci_rpool; /* resource pool */ -#if PIPELINING - int mci_okrcpts; /* number of valid recipients */ - ADDRESS *mci_nextaddr; /* next address for pipelined status */ -#endif /* PIPELINING */ -#if SASL - SASL_AI_T mci_sai; /* authentication info */ - bool mci_sasl_auth; /* authenticated? */ - int mci_sasl_string_len; - char *mci_sasl_string; /* sasl reply string */ - char *mci_saslcap; /* SASL list of mechanisms */ - sasl_conn_t *mci_conn; /* SASL connection */ -#endif /* SASL */ -#if STARTTLS - SSL *mci_ssl; /* SSL connection */ -#endif /* STARTTLS */ - MACROS_T mci_macro; /* macro definitions */ -}; - - -/* flag bits */ -#define MCIF_VALID 0x00000001 /* this entry is valid */ -/* 0x00000002 unused, was MCIF_TEMP */ -#define MCIF_CACHED 0x00000004 /* currently in open cache */ -#define MCIF_ESMTP 0x00000008 /* this host speaks ESMTP */ -#define MCIF_EXPN 0x00000010 /* EXPN command supported */ -#define MCIF_SIZE 0x00000020 /* SIZE option supported */ -#define MCIF_8BITMIME 0x00000040 /* BODY=8BITMIME supported */ -#define MCIF_7BIT 0x00000080 /* strip this message to 7 bits */ -/* 0x00000100 unused, was MCIF_MULTSTAT: MAIL11V3: handles MULT status */ -#define MCIF_INHEADER 0x00000200 /* currently outputing header */ -#define MCIF_CVT8TO7 0x00000400 /* convert from 8 to 7 bits */ -#define MCIF_DSN 0x00000800 /* DSN extension supported */ -#define MCIF_8BITOK 0x00001000 /* OK to send 8 bit characters */ -#define MCIF_CVT7TO8 0x00002000 /* convert from 7 to 8 bits */ -#define MCIF_INMIME 0x00004000 /* currently reading MIME header */ -#define MCIF_AUTH 0x00008000 /* AUTH= supported */ -#define MCIF_AUTHACT 0x00010000 /* SASL (AUTH) active */ -#define MCIF_ENHSTAT 0x00020000 /* ENHANCEDSTATUSCODES supported */ -#define MCIF_PIPELINED 0x00040000 /* PIPELINING supported */ -#define MCIF_VERB 0x00080000 /* VERB supported */ -#if STARTTLS -#define MCIF_TLS 0x00100000 /* STARTTLS supported */ -#define MCIF_TLSACT 0x00200000 /* STARTTLS active */ -#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT | MCIF_TLS) -#else /* STARTTLS */ -#define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT) -#endif /* STARTTLS */ -#define MCIF_DLVR_BY 0x00400000 /* DELIVERBY */ -#if _FFR_IGNORE_EXT_ON_HELO -# define MCIF_HELO 0x00800000 /* we used HELO: ignore extensions */ -#endif /* _FFR_IGNORE_EXT_ON_HELO */ -#define MCIF_INLONGLINE 0x01000000 /* in the middle of a long line */ -#define MCIF_ONLY_EHLO 0x10000000 /* use only EHLO in smtpinit */ - -/* states */ -#define MCIS_CLOSED 0 /* no traffic on this connection */ -#define MCIS_OPENING 1 /* sending initial protocol */ -#define MCIS_OPEN 2 /* open, initial protocol sent */ -#define MCIS_MAIL 3 /* MAIL command sent */ -#define MCIS_RCPT 4 /* RCPT commands being sent */ -#define MCIS_DATA 5 /* DATA command sent */ -#define MCIS_QUITING 6 /* running quit protocol */ -#define MCIS_SSD 7 /* service shutting down */ -#define MCIS_ERROR 8 /* I/O error on connection */ - -/* functions */ -extern void mci_cache __P((MCI *)); -extern void mci_close __P((MCI *, char *where)); -extern void mci_dump __P((SM_FILE_T *, MCI *, bool)); -extern void mci_dump_all __P((SM_FILE_T *, bool)); -extern void mci_flush __P((bool, MCI *)); -extern MCI *mci_get __P((char *, MAILER *)); -extern int mci_lock_host __P((MCI *)); -extern bool mci_match __P((char *, MAILER *)); -extern int mci_print_persistent __P((char *, char *)); -extern int mci_purge_persistent __P((char *, char *)); -extern MCI **mci_scan __P((MCI *)); -extern void mci_setstat __P((MCI *, int, char *, char *)); -extern void mci_store_persistent __P((MCI *)); -extern int mci_traverse_persistent __P((int (*)(char *, char *), char *)); -extern void mci_unlock_host __P((MCI *)); - -EXTERN int MaxMciCache; /* maximum entries in MCI cache */ -EXTERN time_t MciCacheTimeout; /* maximum idle time on connections */ -EXTERN time_t MciInfoTimeout; /* how long 'til we retry down hosts */ - -/* -** Header structure. -** This structure is used internally to store header items. -*/ - -struct header -{ - char *h_field; /* the name of the field */ - char *h_value; /* the value of that field */ - struct header *h_link; /* the next header */ - unsigned char h_macro; /* include header if macro defined */ - unsigned long h_flags; /* status bits, see below */ - BITMAP256 h_mflags; /* m_flags bits needed */ -}; - -typedef struct header HDR; - -/* -** Header information structure. -** Defined in conf.c, this struct declares the header fields -** that have some magic meaning. -*/ - -struct hdrinfo -{ - char *hi_field; /* the name of the field */ - unsigned long hi_flags; /* status bits, see below */ - char *hi_ruleset; /* validity check ruleset */ -}; - -extern struct hdrinfo HdrInfo[]; - -/* bits for h_flags and hi_flags */ -#define H_EOH 0x00000001 /* field terminates header */ -#define H_RCPT 0x00000002 /* contains recipient addresses */ -#define H_DEFAULT 0x00000004 /* if another value is found, drop this */ -#define H_RESENT 0x00000008 /* this address is a "Resent-..." address */ -#define H_CHECK 0x00000010 /* check h_mflags against m_flags */ -#define H_ACHECK 0x00000020 /* ditto, but always (not just default) */ -#define H_FORCE 0x00000040 /* force this field, even if default */ -#define H_TRACE 0x00000080 /* this field contains trace information */ -#define H_FROM 0x00000100 /* this is a from-type field */ -#define H_VALID 0x00000200 /* this field has a validated value */ -#define H_RECEIPTTO 0x00000400 /* field has return receipt info */ -#define H_ERRORSTO 0x00000800 /* field has error address info */ -#define H_CTE 0x00001000 /* field is a content-transfer-encoding */ -#define H_CTYPE 0x00002000 /* this is a content-type field */ -#define H_BCC 0x00004000 /* Bcc: header: strip value or delete */ -#define H_ENCODABLE 0x00008000 /* field can be RFC 1522 encoded */ -#define H_STRIPCOMM 0x00010000 /* header check: strip comments */ -#define H_BINDLATE 0x00020000 /* only expand macros at deliver */ -#define H_USER 0x00040000 /* header came from the user/SMTP */ - -/* bits for chompheader() */ -#define CHHDR_DEF 0x0001 /* default header */ -#define CHHDR_CHECK 0x0002 /* call ruleset for header */ -#define CHHDR_USER 0x0004 /* header from user */ -#define CHHDR_QUEUE 0x0008 /* header from queue file */ - -/* functions */ -extern void addheader __P((char *, char *, int, ENVELOPE *, bool)); -extern unsigned long chompheader __P((char *, int, HDR **, ENVELOPE *)); -extern bool commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *, int)); -extern HDR *copyheader __P((HDR *, SM_RPOOL_T *)); -extern void eatheader __P((ENVELOPE *, bool, bool)); -extern char *hvalue __P((char *, HDR *)); -extern void insheader __P((int, char *, char *, int, ENVELOPE *, bool)); -extern bool isheader __P((char *)); -extern bool putfromline __P((MCI *, ENVELOPE *)); -extern void setupheaders __P((void)); - -/* -** Performance monitoring -*/ - -#define TIMERS struct sm_timers - -TIMERS -{ - TIMER ti_overall; /* the whole process */ -}; - - -#define PUSHTIMER(l, t) { if (tTd(98, l)) pushtimer(&t); } -#define POPTIMER(l, t) { if (tTd(98, l)) poptimer(&t); } - -/* -** Envelope structure. -** This structure defines the message itself. There is usually -** only one of these -- for the message that we originally read -** and which is our primary interest -- but other envelopes can -** be generated during processing. For example, error messages -** will have their own envelope. -*/ - -struct envelope -{ - HDR *e_header; /* head of header list */ - long e_msgpriority; /* adjusted priority of this message */ - time_t e_ctime; /* time message appeared in the queue */ - char *e_to; /* (list of) target person(s) */ - ADDRESS e_from; /* the person it is from */ - char *e_sender; /* e_from.q_paddr w comments stripped */ - char **e_fromdomain; /* the domain part of the sender */ - ADDRESS *e_sendqueue; /* list of message recipients */ - ADDRESS *e_errorqueue; /* the queue for error responses */ - - /* - ** Overflow detection is based on < 0, so don't change this - ** to unsigned. We don't use unsigned and == ULONG_MAX because - ** some libc's don't have strtoul(), see mail_esmtp_args(). - */ - - long e_msgsize; /* size of the message in bytes */ - char *e_msgid; /* message id (for logging) */ - unsigned long e_flags; /* flags, see below */ - int e_nrcpts; /* number of recipients */ - short e_class; /* msg class (priority, junk, etc.) */ - short e_hopcount; /* number of times processed */ - short e_nsent; /* number of sends since checkpoint */ - short e_sendmode; /* message send mode */ - short e_errormode; /* error return mode */ - short e_timeoutclass; /* message timeout class */ - bool (*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int)); - /* function to put header of message */ - bool (*e_putbody)__P((MCI *, ENVELOPE *, char *)); - /* function to put body of message */ - ENVELOPE *e_parent; /* the message this one encloses */ - ENVELOPE *e_sibling; /* the next envelope of interest */ - char *e_bodytype; /* type of message body */ - SM_FILE_T *e_dfp; /* data file */ - char *e_id; /* code for this entry in queue */ -#if _FFR_SESSID - char *e_sessid; /* session ID for this envelope */ -#endif /* _FFR_SESSID */ - int e_qgrp; /* queue group (index into queues) */ - int e_qdir; /* index into queue directories */ - int e_dfqgrp; /* data file queue group index */ - int e_dfqdir; /* data file queue directory index */ - int e_xfqgrp; /* queue group (index into queues) */ - int e_xfqdir; /* index into queue directories (xf) */ - SM_FILE_T *e_xfp; /* transcript file */ - SM_FILE_T *e_lockfp; /* the lock file for this message */ - char *e_message; /* error message; readonly; NULL, - * or allocated from e_rpool */ - char *e_statmsg; /* stat msg (changes per delivery). - * readonly. NULL or allocated from - * e_rpool. */ - char *e_quarmsg; /* why envelope is quarantined */ - char e_qfletter; /* queue file letter on disk */ - char *e_msgboundary; /* MIME-style message part boundary */ - char *e_origrcpt; /* original recipient (one only) */ - char *e_envid; /* envelope id from MAIL FROM: line */ - char *e_status; /* DSN status for this message */ - time_t e_dtime; /* time of last delivery attempt */ - int e_ntries; /* number of delivery attempts */ - dev_t e_dfdev; /* data file device (crash recovery) */ - ino_t e_dfino; /* data file inode (crash recovery) */ - MACROS_T e_macro; /* macro definitions */ - MCI *e_mci; /* connection info */ - char *e_auth_param; /* readonly; NULL or static storage or - * allocated from e_rpool */ - TIMERS e_timers; /* per job timers */ - long e_deliver_by; /* deliver by */ - int e_dlvr_flag; /* deliver by flag */ - SM_RPOOL_T *e_rpool; /* resource pool for this envelope */ - unsigned int e_features; /* server features */ -}; - -/* values for e_flags */ -#define EF_OLDSTYLE 0x00000001L /* use spaces (not commas) in hdrs */ -#define EF_INQUEUE 0x00000002L /* this message is fully queued */ -#define EF_NO_BODY_RETN 0x00000004L /* omit message body on error */ -#define EF_CLRQUEUE 0x00000008L /* disk copy is no longer needed */ -#define EF_SENDRECEIPT 0x00000010L /* send a return receipt */ -#define EF_FATALERRS 0x00000020L /* fatal errors occurred */ -#define EF_DELETE_BCC 0x00000040L /* delete Bcc: headers entirely */ -#define EF_RESPONSE 0x00000080L /* this is an error or return receipt */ -#define EF_RESENT 0x00000100L /* this message is being forwarded */ -#define EF_VRFYONLY 0x00000200L /* verify only (don't expand aliases) */ -#define EF_WARNING 0x00000400L /* warning message has been sent */ -#define EF_QUEUERUN 0x00000800L /* this envelope is from queue */ -#define EF_GLOBALERRS 0x00001000L /* treat errors as global */ -#define EF_PM_NOTIFY 0x00002000L /* send return mail to postmaster */ -#define EF_METOO 0x00004000L /* send to me too */ -#define EF_LOGSENDER 0x00008000L /* need to log the sender */ -#define EF_NORECEIPT 0x00010000L /* suppress all return-receipts */ -#define EF_HAS8BIT 0x00020000L /* at least one 8-bit char in body */ -#define EF_NL_NOT_EOL 0x00040000L /* don't accept raw NL as EOLine */ -#define EF_CRLF_NOT_EOL 0x00080000L /* don't accept CR-LF as EOLine */ -#define EF_RET_PARAM 0x00100000L /* RCPT command had RET argument */ -#define EF_HAS_DF 0x00200000L /* set when data file is instantiated */ -#define EF_IS_MIME 0x00400000L /* really is a MIME message */ -#define EF_DONT_MIME 0x00800000L /* never MIME this message */ -#define EF_DISCARD 0x01000000L /* discard the message */ -#define EF_TOOBIG 0x02000000L /* message is too big */ -#define EF_SPLIT 0x04000000L /* envelope has been split */ -#define EF_UNSAFE 0x08000000L /* unsafe: read from untrusted source */ -#define EF_TOODEEP 0x10000000L /* message is nested too deep */ - -#define DLVR_NOTIFY 0x01 -#define DLVR_RETURN 0x02 -#define DLVR_TRACE 0x10 -#define IS_DLVR_NOTIFY(e) (((e)->e_dlvr_flag & DLVR_NOTIFY) != 0) -#define IS_DLVR_RETURN(e) (((e)->e_dlvr_flag & DLVR_RETURN) != 0) -#define IS_DLVR_TRACE(e) (((e)->e_dlvr_flag & DLVR_TRACE) != 0) -#define IS_DLVR_BY(e) ((e)->e_dlvr_flag != 0) - -#define BODYTYPE_NONE (0) -#define BODYTYPE_7BIT (1) -#define BODYTYPE_8BITMIME (2) -#define BODYTYPE_ILLEGAL (-1) -#define BODYTYPE_VALID(b) ((b) == BODYTYPE_7BIT || (b) == BODYTYPE_8BITMIME) - -extern ENVELOPE BlankEnvelope; - -/* functions */ -extern void clearenvelope __P((ENVELOPE *, bool, SM_RPOOL_T *)); -extern void dropenvelope __P((ENVELOPE *, bool, bool)); -extern ENVELOPE *newenvelope __P((ENVELOPE *, ENVELOPE *, SM_RPOOL_T *)); -extern void clrsessenvelope __P((ENVELOPE *)); -extern void printenvflags __P((ENVELOPE *)); -extern bool putbody __P((MCI *, ENVELOPE *, char *)); -extern bool putheader __P((MCI *, HDR *, ENVELOPE *, int)); - -/* -** Message priority classes. -** -** The message class is read directly from the Priority: header -** field in the message. -** -** CurEnv->e_msgpriority is the number of bytes in the message plus -** the creation time (so that jobs ``tend'' to be ordered correctly), -** adjusted by the message class, the number of recipients, and the -** amount of time the message has been sitting around. This number -** is used to order the queue. Higher values mean LOWER priority. -** -** Each priority class point is worth WkClassFact priority points; -** each recipient is worth WkRecipFact priority points. Each time -** we reprocess a message the priority is adjusted by WkTimeFact. -** WkTimeFact should normally decrease the priority so that jobs -** that have historically failed will be run later; thanks go to -** Jay Lepreau at Utah for pointing out the error in my thinking. -** -** The "class" is this number, unadjusted by the age or size of -** this message. Classes with negative representations will have -** error messages thrown away if they are not local. -*/ - -struct priority -{ - char *pri_name; /* external name of priority */ - int pri_val; /* internal value for same */ -}; - -EXTERN int NumPriorities; /* pointer into Priorities */ -EXTERN struct priority Priorities[MAXPRIORITIES]; - -/* -** Rewrite rules. -*/ - -struct rewrite -{ - char **r_lhs; /* pattern match */ - char **r_rhs; /* substitution value */ - struct rewrite *r_next;/* next in chain */ - int r_line; /* rule line in sendmail.cf */ -}; - -/* -** Special characters in rewriting rules. -** These are used internally only. -** The COND* rules are actually used in macros rather than in -** rewriting rules, but are given here because they -** cannot conflict. -*/ - -/* "out of band" indicator */ -/* sm/sendmail.h #define METAQUOTE ((unsigned char)0377) quotes the next octet */ - -/* left hand side items */ -#define MATCHZANY ((unsigned char)0220) /* match zero or more tokens */ -#define MATCHANY ((unsigned char)0221) /* match one or more tokens */ -#define MATCHONE ((unsigned char)0222) /* match exactly one token */ -#define MATCHCLASS ((unsigned char)0223) /* match one token in a class */ -#define MATCHNCLASS ((unsigned char)0224) /* match tokens not in class */ - -/* right hand side items */ -#define MATCHREPL ((unsigned char)0225) /* RHS replacement for above */ -#define CANONNET ((unsigned char)0226) /* canonical net, next token */ -#define CANONHOST ((unsigned char)0227) /* canonical host, next token */ -#define CANONUSER ((unsigned char)0230) /* canonical user, next N tokens */ -#define CALLSUBR ((unsigned char)0231) /* call another rewriting set */ - -/* conditionals in macros (anywhere) */ -#define CONDIF ((unsigned char)0232) /* conditional if-then */ -#define CONDELSE ((unsigned char)0233) /* conditional else */ -#define CONDFI ((unsigned char)0234) /* conditional fi */ - -/* bracket characters for RHS host name lookup */ -#define HOSTBEGIN ((unsigned char)0235) /* hostname lookup begin */ -#define HOSTEND ((unsigned char)0236) /* hostname lookup end */ - -/* bracket characters for RHS generalized lookup */ -#define LOOKUPBEGIN ((unsigned char)0205) /* generalized lookup begin */ -#define LOOKUPEND ((unsigned char)0206) /* generalized lookup end */ - -/* macro substitution characters (anywhere) */ -#define MACROEXPAND ((unsigned char)0201) /* macro expansion */ -#define MACRODEXPAND ((unsigned char)0202) /* deferred macro expansion */ - -/* to make the code clearer */ -#define MATCHZERO CANONHOST - -#define MAXMATCH 9 /* max params per rewrite */ -#define MAX_MAP_ARGS 10 /* max arguments for map */ - -/* external <==> internal mapping table */ -struct metamac -{ - char metaname; /* external code (after $) */ - unsigned char metaval; /* internal code (as above) */ -}; - -/* values for macros with external names only */ -#define MID_OPMODE 0202 /* operation mode */ - -/* functions */ -#if SM_HEAP_CHECK -extern void -macdefine_tagged __P(( - MACROS_T *_mac, - ARGCLASS_T _vclass, - int _id, - char *_value, - char *_file, - int _line, - int _group)); -# define macdefine(mac,c,id,v) \ - macdefine_tagged(mac,c,id,v,__FILE__,__LINE__,sm_heap_group()) -#else /* SM_HEAP_CHECK */ -extern void -macdefine __P(( - MACROS_T *_mac, - ARGCLASS_T _vclass, - int _id, - char *_value)); -# define macdefine_tagged(mac,c,id,v,file,line,grp) macdefine(mac,c,id,v) -#endif /* SM_HEAP_CHECK */ -extern void macset __P((MACROS_T *, int, char *)); -#define macget(mac, i) (mac)->mac_table[i] -extern void expand __P((char *, char *, size_t, ENVELOPE *)); -extern int macid_parse __P((char *, char **)); -#define macid(name) macid_parse(name, NULL) -extern char *macname __P((int)); -extern char *macvalue __P((int, ENVELOPE *)); -extern int rscheck __P((char *, char *, char *, ENVELOPE *, int, int, char *, char *, ADDRESS *)); -extern int rscap __P((char *, char *, char *, ENVELOPE *, char ***, char *, int)); -extern void setclass __P((int, char *)); -extern int strtorwset __P((char *, char **, int)); -extern char *translate_dollars __P((char *, char *, int *)); -extern bool wordinclass __P((char *, int)); - -/* -** Name canonification short circuit. -** -** If the name server for a host is down, the process of trying to -** canonify the name can hang. This is similar to (but alas, not -** identical to) looking up the name for delivery. This stab type -** caches the result of the name server lookup so we don't hang -** multiple times. -*/ - -#define NAMECANON struct _namecanon - -NAMECANON -{ - short nc_errno; /* cached errno */ - short nc_herrno; /* cached h_errno */ - short nc_stat; /* cached exit status code */ - short nc_flags; /* flag bits */ - char *nc_cname; /* the canonical name */ - time_t nc_exp; /* entry expires at */ -}; - -/* values for nc_flags */ -#define NCF_VALID 0x0001 /* entry valid */ - -/* hostsignature structure */ - -struct hostsig_t -{ - char *hs_sig; /* hostsignature */ - time_t hs_exp; /* entry expires at */ -}; - -typedef struct hostsig_t HOSTSIG_T; - -/* functions */ -extern bool getcanonname __P((char *, int, bool, int *)); -extern int getmxrr __P((char *, char **, unsigned short *, bool, int *, bool, int *)); -extern char *hostsignature __P((MAILER *, char *)); -extern int getfallbackmxrr __P((char *)); - -/* -** Mapping functions -** -** These allow arbitrary mappings in the config file. The idea -** (albeit not the implementation) comes from IDA sendmail. -*/ - -#define MAPCLASS struct _mapclass -#define MAP struct _map -#define MAXMAPACTIONS 5 /* size of map_actions array */ - - -/* -** An actual map. -*/ - -MAP -{ - MAPCLASS *map_class; /* the class of this map */ - MAPCLASS *map_orgclass; /* the original class of this map */ - char *map_mname; /* name of this map */ - long map_mflags; /* flags, see below */ - char *map_file; /* the (nominal) filename */ - ARBPTR_T map_db1; /* the open database ptr */ - ARBPTR_T map_db2; /* an "extra" database pointer */ - char *map_keycolnm; /* key column name */ - char *map_valcolnm; /* value column name */ - unsigned char map_keycolno; /* key column number */ - unsigned char map_valcolno; /* value column number */ - char map_coldelim; /* column delimiter */ - char map_spacesub; /* spacesub */ - char *map_app; /* to append to successful matches */ - char *map_tapp; /* to append to "tempfail" matches */ - char *map_domain; /* the (nominal) NIS domain */ - char *map_rebuild; /* program to run to do auto-rebuild */ - time_t map_mtime; /* last database modification time */ - time_t map_timeout; /* timeout for map accesses */ - int map_retry; /* # of retries for map accesses */ - pid_t map_pid; /* PID of process which opened map */ - int map_lockfd; /* auxiliary lock file descriptor */ - short map_specificity; /* specificity of aliases */ - MAP *map_stack[MAXMAPSTACK]; /* list for stacked maps */ - short map_return[MAXMAPACTIONS]; /* return bitmaps for stacked maps */ -}; - - -/* bit values for map_mflags */ -#define MF_VALID 0x00000001 /* this entry is valid */ -#define MF_INCLNULL 0x00000002 /* include null byte in key */ -#define MF_OPTIONAL 0x00000004 /* don't complain if map not found */ -#define MF_NOFOLDCASE 0x00000008 /* don't fold case in keys */ -#define MF_MATCHONLY 0x00000010 /* don't use the map value */ -#define MF_OPEN 0x00000020 /* this entry is open */ -#define MF_WRITABLE 0x00000040 /* open for writing */ -#define MF_ALIAS 0x00000080 /* this is an alias file */ -#define MF_TRY0NULL 0x00000100 /* try with no null byte */ -#define MF_TRY1NULL 0x00000200 /* try with the null byte */ -#define MF_LOCKED 0x00000400 /* this map is currently locked */ -#define MF_ALIASWAIT 0x00000800 /* alias map in aliaswait state */ -#define MF_IMPL_HASH 0x00001000 /* implicit: underlying hash database */ -#define MF_IMPL_NDBM 0x00002000 /* implicit: underlying NDBM database */ -/* 0x00004000 */ -#define MF_APPEND 0x00008000 /* append new entry on rebuild */ -#define MF_KEEPQUOTES 0x00010000 /* don't dequote key before lookup */ -#define MF_NODEFER 0x00020000 /* don't defer if map lookup fails */ -#define MF_REGEX_NOT 0x00040000 /* regular expression negation */ -#define MF_DEFER 0x00080000 /* don't lookup map in defer mode */ -#define MF_SINGLEMATCH 0x00100000 /* successful only if match one key */ -#define MF_SINGLEDN 0x00200000 /* only one match, but multi values */ -#define MF_FILECLASS 0x00400000 /* this is a file class map */ -#define MF_OPENBOGUS 0x00800000 /* open failed, don't call map_close */ -#define MF_CLOSING 0x01000000 /* map is being closed */ - -#define DYNOPENMAP(map) if (!bitset(MF_OPEN, (map)->map_mflags)) \ - { \ - if (!openmap(map)) \ - return NULL; \ - } - - -/* indices for map_actions */ -#define MA_NOTFOUND 0 /* member map returned "not found" */ -#define MA_UNAVAIL 1 /* member map is not available */ -#define MA_TRYAGAIN 2 /* member map returns temp failure */ - -/* macros to handle MapTempFail */ -#define BIT_IS_MTP 0x01 /* temp.failure occurred */ -#define BIT_ASK_MTP 0x02 /* do we care about MapTempFail? */ -#define RESET_MAPTEMPFAIL MapTempFail = 0 -#define INIT_MAPTEMPFAIL MapTempFail = BIT_ASK_MTP -#define SET_MAPTEMPFAIL MapTempFail |= BIT_IS_MTP -#define IS_MAPTEMPFAIL bitset(BIT_IS_MTP, MapTempFail) -#define ASK_MAPTEMPFAIL bitset(BIT_ASK_MTP, MapTempFail) - -/* -** The class of a map -- essentially the functions to call -*/ - -MAPCLASS -{ - char *map_cname; /* name of this map class */ - char *map_ext; /* extension for database file */ - short map_cflags; /* flag bits, see below */ - bool (*map_parse)__P((MAP *, char *)); - /* argument parsing function */ - char *(*map_lookup)__P((MAP *, char *, char **, int *)); - /* lookup function */ - void (*map_store)__P((MAP *, char *, char *)); - /* store function */ - bool (*map_open)__P((MAP *, int)); - /* open function */ - void (*map_close)__P((MAP *)); - /* close function */ -}; - -/* bit values for map_cflags */ -#define MCF_ALIASOK 0x0001 /* can be used for aliases */ -#define MCF_ALIASONLY 0x0002 /* usable only for aliases */ -#define MCF_REBUILDABLE 0x0004 /* can rebuild alias files */ -#define MCF_OPTFILE 0x0008 /* file name is optional */ -#define MCF_NOTPERSIST 0x0010 /* don't keep map open all the time */ - -/* functions */ -extern void closemaps __P((bool)); -extern bool impl_map_open __P((MAP *, int)); -extern void initmaps __P((void)); -extern MAP *makemapentry __P((char *)); -extern void maplocaluser __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); -extern char *map_rewrite __P((MAP *, const char *, size_t, char **)); -#if NETINFO -extern char *ni_propval __P((char *, char *, char *, char *, int)); -#endif /* NETINFO */ -extern bool openmap __P((MAP *)); -extern int udbexpand __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); -#if USERDB -extern void _udbx_close __P((void)); -extern char *udbsender __P((char *, SM_RPOOL_T *)); -#endif /* USERDB */ - -/* -** LDAP related items -*/ -#if LDAPMAP -/* struct defining LDAP Auth Methods */ -struct lamvalues -{ - char *lam_name; /* name of LDAP auth method */ - int lam_code; /* numeric code */ -}; - -/* struct defining LDAP Alias Dereferencing */ -struct ladvalues -{ - char *lad_name; /* name of LDAP alias dereferencing method */ - int lad_code; /* numeric code */ -}; - -/* struct defining LDAP Search Scope */ -struct lssvalues -{ - char *lss_name; /* name of LDAP search scope */ - int lss_code; /* numeric code */ -}; - -/* functions */ -extern bool ldapmap_parseargs __P((MAP *, char *)); -extern void ldapmap_set_defaults __P((char *)); -#endif /* LDAPMAP */ - -/* -** PH related items -*/ - -#if PH_MAP - -# include <phclient.h> - -struct ph_map_struct -{ - char *ph_servers; /* list of ph servers */ - char *ph_field_list; /* list of fields to search for match */ - PH *ph; /* PH server handle */ - int ph_fastclose; /* send "quit" command on close */ - time_t ph_timeout; /* timeout interval */ -}; -typedef struct ph_map_struct PH_MAP_STRUCT; - -#endif /* PH_MAP */ - -/* -** Regular UNIX sockaddrs are too small to handle ISO addresses, so -** we are forced to declare a supertype here. -*/ - -#if NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 -union bigsockaddr -{ - struct sockaddr sa; /* general version */ -# if NETUNIX - struct sockaddr_un sunix; /* UNIX family */ -# endif /* NETUNIX */ -# if NETINET - struct sockaddr_in sin; /* INET family */ -# endif /* NETINET */ -# if NETINET6 - struct sockaddr_in6 sin6; /* INET/IPv6 */ -# endif /* NETINET6 */ -# if NETISO - struct sockaddr_iso siso; /* ISO family */ -# endif /* NETISO */ -# if NETNS - struct sockaddr_ns sns; /* XNS family */ -# endif /* NETNS */ -# if NETX25 - struct sockaddr_x25 sx25; /* X.25 family */ -# endif /* NETX25 */ -}; - -# define SOCKADDR union bigsockaddr - -/* functions */ -extern char *anynet_ntoa __P((SOCKADDR *)); -# if NETINET6 -extern char *anynet_ntop __P((struct in6_addr *, char *, size_t)); -extern int anynet_pton __P((int, const char *, void *)); -# endif /* NETINET6 */ -extern char *hostnamebyanyaddr __P((SOCKADDR *)); -extern char *validate_connection __P((SOCKADDR *, char *, ENVELOPE *)); -# if SASL >= 20000 -extern bool iptostring __P((SOCKADDR *, SOCKADDR_LEN_T, char *, unsigned)); -# endif /* SASL >= 20000 */ - -#endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */ - -/* -** Process List (proclist) -*/ - -#define NO_PID ((pid_t) 0) -#ifndef PROC_LIST_SEG -# define PROC_LIST_SEG 32 /* number of pids to alloc at a time */ -#endif /* ! PROC_LIST_SEG */ - -/* process types */ -#define PROC_NONE 0 -#define PROC_DAEMON 1 -#define PROC_DAEMON_CHILD 2 -#define PROC_QUEUE 3 -#define PROC_QUEUE_CHILD 3 -#define PROC_CONTROL 4 -#define PROC_CONTROL_CHILD 5 - -/* functions */ -extern void proc_list_add __P((pid_t, char *, int, int, int, SOCKADDR *)); -extern void proc_list_clear __P((void)); -extern void proc_list_display __P((SM_FILE_T *, char *)); -extern void proc_list_drop __P((pid_t, int, int *)); -extern void proc_list_probe __P((void)); -extern void proc_list_set __P((pid_t, char *)); -extern void proc_list_signal __P((int, int)); - -/* -** Symbol table definitions -*/ - -struct symtab -{ - char *s_name; /* name to be entered */ - short s_symtype; /* general type (see below) */ - struct symtab *s_next; /* pointer to next in chain */ - union - { - BITMAP256 sv_class; /* bit-map of word classes */ - ADDRESS *sv_addr; /* pointer to address header */ - MAILER *sv_mailer; /* pointer to mailer */ - char *sv_alias; /* alias */ - MAPCLASS sv_mapclass; /* mapping function class */ - MAP sv_map; /* mapping function */ - HOSTSIG_T sv_hostsig; /* host signature */ - MCI sv_mci; /* mailer connection info */ - NAMECANON sv_namecanon; /* canonical name cache */ - int sv_macro; /* macro name => id mapping */ - int sv_ruleset; /* ruleset index */ - struct hdrinfo sv_header; /* header metainfo */ - char *sv_service[MAXMAPSTACK]; /* service switch */ -#if LDAPMAP - MAP *sv_lmap; /* Maps for LDAP connection */ -#endif /* LDAPMAP */ -#if SOCKETMAP - MAP *sv_socketmap; /* Maps for SOCKET connection */ -#endif /* SOCKETMAP */ -#if MILTER - struct milter *sv_milter; /* milter filter name */ -#endif /* MILTER */ - QUEUEGRP *sv_queue; /* pointer to queue */ - } s_value; -}; - -typedef struct symtab STAB; - -/* symbol types */ -#define ST_UNDEF 0 /* undefined type */ -#define ST_CLASS 1 /* class map */ -#define ST_ADDRESS 2 /* an address in parsed format */ -#define ST_MAILER 3 /* a mailer header */ -#define ST_ALIAS 4 /* an alias */ -#define ST_MAPCLASS 5 /* mapping function class */ -#define ST_MAP 6 /* mapping function */ -#define ST_HOSTSIG 7 /* host signature */ -#define ST_NAMECANON 8 /* cached canonical name */ -#define ST_MACRO 9 /* macro name to id mapping */ -#define ST_RULESET 10 /* ruleset index */ -#define ST_SERVICE 11 /* service switch entry */ -#define ST_HEADER 12 /* special header flags */ -#if LDAPMAP -# define ST_LMAP 13 /* List head of maps for LDAP connection */ -#endif /* LDAPMAP */ -#if MILTER -# define ST_MILTER 14 /* milter filter */ -#endif /* MILTER */ -#define ST_QUEUE 15 /* a queue entry */ - -#if SOCKETMAP -# define ST_SOCKETMAP 16 /* List head of maps for SOCKET connection */ -#endif /* SOCKETMAP */ - -/* This entry must be last */ -#define ST_MCI 17 /* mailer connection info (offset) */ - -#define s_class s_value.sv_class -#define s_address s_value.sv_addr -#define s_mailer s_value.sv_mailer -#define s_alias s_value.sv_alias -#define s_mci s_value.sv_mci -#define s_mapclass s_value.sv_mapclass -#define s_hostsig s_value.sv_hostsig -#define s_map s_value.sv_map -#define s_namecanon s_value.sv_namecanon -#define s_macro s_value.sv_macro -#define s_ruleset s_value.sv_ruleset -#define s_service s_value.sv_service -#define s_header s_value.sv_header -#if LDAPMAP -# define s_lmap s_value.sv_lmap -#endif /* LDAPMAP */ -#if SOCKETMAP -# define s_socketmap s_value.sv_socketmap -#endif /* SOCKETMAP */ -#if MILTER -# define s_milter s_value.sv_milter -#endif /* MILTER */ -#define s_quegrp s_value.sv_queue - -/* opcodes to stab */ -#define ST_FIND 0 /* find entry */ -#define ST_ENTER 1 /* enter if not there */ - -/* functions */ -extern STAB *stab __P((char *, int, int)); -extern void stabapply __P((void (*)(STAB *, int), int)); - -/* -** Operation, send, error, and MIME modes -** -** The operation mode describes the basic operation of sendmail. -** This can be set from the command line, and is "send mail" by -** default. -** -** The send mode tells how to send mail. It can be set in the -** configuration file. Its setting determines how quickly the -** mail will be delivered versus the load on your system. If the -** -v (verbose) flag is given, it will be forced to SM_DELIVER -** mode. -** -** The error mode tells how to return errors. -*/ - -#define MD_DELIVER 'm' /* be a mail sender */ -#define MD_SMTP 's' /* run SMTP on standard input */ -#define MD_ARPAFTP 'a' /* obsolete ARPANET mode (Grey Book) */ -#define MD_DAEMON 'd' /* run as a daemon */ -#define MD_FGDAEMON 'D' /* run daemon in foreground */ -#define MD_VERIFY 'v' /* verify: don't collect or deliver */ -#define MD_TEST 't' /* test mode: resolve addrs only */ -#define MD_INITALIAS 'i' /* initialize alias database */ -#define MD_PRINT 'p' /* print the queue */ -#define MD_PRINTNQE 'P' /* print number of entries in queue */ -#define MD_FREEZE 'z' /* freeze the configuration file */ -#define MD_HOSTSTAT 'h' /* print persistent host stat info */ -#define MD_PURGESTAT 'H' /* purge persistent host stat info */ -#define MD_QUEUERUN 'q' /* queue run */ - -/* Note: see also include/sendmail/pathnames.h: GET_CLIENT_CF */ - -/* values for e_sendmode -- send modes */ -#define SM_DELIVER 'i' /* interactive delivery */ -#define SM_FORK 'b' /* deliver in background */ -#if _FFR_DM_ONE -#define SM_DM_ONE 'o' /* deliver first TA in background, then queue */ -#endif /* _FFR_DM_ONE */ -#define SM_QUEUE 'q' /* queue, don't deliver */ -#define SM_DEFER 'd' /* defer map lookups as well as queue */ -#define SM_VERIFY 'v' /* verify only (used internally) */ -#define DM_NOTSET (-1) /* DeliveryMode (per daemon) option not set */ - -#define WILL_BE_QUEUED(m) ((m) == SM_QUEUE || (m) == SM_DEFER) - -/* used only as a parameter to sendall */ -#define SM_DEFAULT '\0' /* unspecified, use SendMode */ - -/* functions */ -extern void set_delivery_mode __P((int, ENVELOPE *)); - -/* values for e_errormode -- error handling modes */ -#define EM_PRINT 'p' /* print errors */ -#define EM_MAIL 'm' /* mail back errors */ -#define EM_WRITE 'w' /* write back errors */ -#define EM_BERKNET 'e' /* special berknet processing */ -#define EM_QUIET 'q' /* don't print messages (stat only) */ - - -/* bit values for MimeMode */ -#define MM_CVTMIME 0x0001 /* convert 8 to 7 bit MIME */ -#define MM_PASS8BIT 0x0002 /* just send 8 bit data blind */ -#define MM_MIME8BIT 0x0004 /* convert 8-bit data to MIME */ - - -/* how to handle messages without any recipient addresses */ -#define NRA_NO_ACTION 0 /* just leave it as is */ -#define NRA_ADD_TO 1 /* add To: header */ -#define NRA_ADD_APPARENTLY_TO 2 /* add Apparently-To: header */ -#define NRA_ADD_BCC 3 /* add empty Bcc: header */ -#define NRA_ADD_TO_UNDISCLOSED 4 /* add To: undisclosed:; header */ - - -/* flags to putxline */ -#define PXLF_NOTHINGSPECIAL 0 /* no special mapping */ -#define PXLF_MAPFROM 0x0001 /* map From_ to >From_ */ -#define PXLF_STRIP8BIT 0x0002 /* strip 8th bit */ -#define PXLF_HEADER 0x0004 /* map newlines in headers */ -#define PXLF_NOADDEOL 0x0008 /* if EOL not present, don't add one */ -#define PXLF_STRIPMQUOTE 0x0010 /* strip METAQUOTEs */ - -/* -** Privacy flags -** These are bit values for the PrivacyFlags word. -*/ - -#define PRIV_PUBLIC 0 /* what have I got to hide? */ -#define PRIV_NEEDMAILHELO 0x00000001 /* insist on HELO for MAIL */ -#define PRIV_NEEDEXPNHELO 0x00000002 /* insist on HELO for EXPN */ -#define PRIV_NEEDVRFYHELO 0x00000004 /* insist on HELO for VRFY */ -#define PRIV_NOEXPN 0x00000008 /* disallow EXPN command */ -#define PRIV_NOVRFY 0x00000010 /* disallow VRFY command */ -#define PRIV_AUTHWARNINGS 0x00000020 /* flag possible auth probs */ -#define PRIV_NOVERB 0x00000040 /* disallow VERB command */ -#define PRIV_RESTRICTMAILQ 0x00010000 /* restrict mailq command */ -#define PRIV_RESTRICTQRUN 0x00020000 /* restrict queue run */ -#define PRIV_RESTRICTEXPAND 0x00040000 /* restrict alias/forward expansion */ -#define PRIV_NOETRN 0x00080000 /* disallow ETRN command */ -#define PRIV_NOBODYRETN 0x00100000 /* do not return bodies on bounces */ -#define PRIV_NORECEIPTS 0x00200000 /* disallow return receipts */ -#define PRIV_NOACTUALRECIPIENT 0x00400000 /* no X-Actual-Recipient in DSNs */ - -/* don't give no info, anyway, anyhow (in the main SMTP transaction) */ -#define PRIV_GOAWAY 0x0000ffff - -/* struct defining such things */ -struct prival -{ - char *pv_name; /* name of privacy flag */ - unsigned long pv_flag; /* numeric level */ -}; - -EXTERN unsigned long PrivacyFlags; /* privacy flags */ - - -/* -** Flags passed to remotename, parseaddr, allocaddr, and buildaddr. -*/ - -#define RF_SENDERADDR 0x001 /* this is a sender address */ -#define RF_HEADERADDR 0x002 /* this is a header address */ -#define RF_CANONICAL 0x004 /* strip comment information */ -#define RF_ADDDOMAIN 0x008 /* OK to do domain extension */ -#define RF_COPYPARSE 0x010 /* copy parsed user & host */ -#define RF_COPYPADDR 0x020 /* copy print address */ -#define RF_COPYALL (RF_COPYPARSE|RF_COPYPADDR) -#define RF_COPYNONE 0 -#define RF_RM_ADDR 0x040 /* address to be removed */ - -/* -** Flags passed to rscheck -*/ - -#define RSF_RMCOMM 0x0001 /* strip comments */ -#define RSF_UNSTRUCTURED 0x0002 /* unstructured, ignore syntax errors */ -#define RSF_COUNT 0x0004 /* count rejections (statistics)? */ - -/* -** Flags passed to mime8to7 and putheader. -*/ - -#define M87F_OUTER 0 /* outer context */ -#define M87F_NO8BIT 0x0001 /* can't have 8-bit in this section */ -#define M87F_DIGEST 0x0002 /* processing multipart/digest */ -#define M87F_NO8TO7 0x0004 /* don't do 8->7 bit conversions */ - -/* functions */ -extern bool mime7to8 __P((MCI *, HDR *, ENVELOPE *)); -extern int mime8to7 __P((MCI *, HDR *, ENVELOPE *, char **, int, int)); - -/* -** Flags passed to returntosender. -*/ - -#define RTSF_NO_BODY 0 /* send headers only */ -#define RTSF_SEND_BODY 0x0001 /* include body of message in return */ -#define RTSF_PM_BOUNCE 0x0002 /* this is a postmaster bounce */ - -/* functions */ -extern int returntosender __P((char *, ADDRESS *, int, ENVELOPE *)); - -/* -** Mail Filters (milter) -*/ - -/* -** 32-bit type used by milter -** (needed by libmilter even if MILTER isn't defined) -*/ - -typedef SM_INT32 mi_int32; - -#if MILTER -# define SMFTO_WRITE 0 /* Timeout for sending information */ -# define SMFTO_READ 1 /* Timeout waiting for a response */ -# define SMFTO_EOM 2 /* Timeout for ACK/NAK to EOM */ -# define SMFTO_CONNECT 3 /* Timeout for connect() */ - -# define SMFTO_NUM_TO 4 /* Total number of timeouts */ - -struct milter -{ - char *mf_name; /* filter name */ - BITMAP256 mf_flags; /* MTA flags */ - mi_int32 mf_fvers; /* filter version */ - mi_int32 mf_fflags; /* filter flags */ - mi_int32 mf_pflags; /* protocol flags */ - char *mf_conn; /* connection info */ - int mf_sock; /* connected socket */ - char mf_state; /* state of filter */ - time_t mf_timeout[SMFTO_NUM_TO]; /* timeouts */ -#if _FFR_MILTER_CHECK - /* for testing only */ - mi_int32 mf_mta_prot_version; - mi_int32 mf_mta_prot_flags; - mi_int32 mf_mta_actions; -#endif /* _FFR_MILTER_CHECK */ -}; - -struct milters -{ - mi_int32 mis_flags; /* filter flags */ -}; -typedef struct milters milters_T; - -#define MIS_FL_NONE 0x00000000 /* no requirements... */ -#define MIS_FL_DEL_RCPT 0x00000001 /* can delete rcpt */ -#define MIS_FL_REJ_RCPT 0x00000002 /* can reject rcpt */ - - -/* MTA flags */ -# define SMF_REJECT 'R' /* Reject connection on filter fail */ -# define SMF_TEMPFAIL 'T' /* tempfail connection on failure */ -# define SMF_TEMPDROP '4' /* 421 connection on failure */ - -EXTERN struct milter *InputFilters[MAXFILTERS]; -EXTERN char *InputFilterList; -EXTERN int MilterLogLevel; - -/* functions */ -extern void setup_daemon_milters __P((void)); -#endif /* MILTER */ - -/* -** Vendor codes -** -** Vendors can customize sendmail to add special behaviour, -** generally for back compatibility. Ideally, this should -** be set up in the .cf file using the "V" command. However, -** it's quite reasonable for some vendors to want the default -** be their old version; this can be set using -** -DVENDOR_DEFAULT=VENDOR_xxx -** in the Makefile. -** -** Vendors should apply to sendmail@sendmail.org for -** unique vendor codes. -*/ - -#define VENDOR_BERKELEY 1 /* Berkeley-native configuration file */ -#define VENDOR_SUN 2 /* Sun-native configuration file */ -#define VENDOR_HP 3 /* Hewlett-Packard specific config syntax */ -#define VENDOR_IBM 4 /* IBM specific config syntax */ -#define VENDOR_SENDMAIL 5 /* Sendmail, Inc. specific config syntax */ -#define VENDOR_DEC 6 /* Compaq, DEC, Digital */ - -/* prototypes for vendor-specific hook routines */ -extern void vendor_daemon_setup __P((ENVELOPE *)); -extern void vendor_set_uid __P((UID_T)); - - -/* -** Terminal escape codes. -** -** To make debugging output clearer. -*/ - -struct termescape -{ - char *te_rv_on; /* turn reverse-video on */ - char *te_under_on; /* turn underlining on */ - char *te_normal; /* revert to normal output */ -}; - -/* -** Additional definitions -*/ - -/* -** d_flags, see daemon.c -** general rule: lower case: required, upper case: No -*/ - -#define D_AUTHREQ 'a' /* authentication required */ -#define D_BINDIF 'b' /* use if_addr for outgoing connection */ -#define D_CANONREQ 'c' /* canonification required (cf) */ -#define D_IFNHELO 'h' /* use if name for HELO */ -#define D_FQMAIL 'f' /* fq sender address required (cf) */ -#define D_FQRCPT 'r' /* fq recipient address required (cf) */ -#define D_SMTPS 's' /* SMTP over SSL (smtps) */ -#define D_UNQUALOK 'u' /* unqualified address is ok (cf) */ -#define D_NOAUTH 'A' /* no AUTH */ -#define D_NOCANON 'C' /* no canonification (cf) */ -#define D_NOETRN 'E' /* no ETRN (MSA) */ -#define D_NOTLS 'S' /* don't use STARTTLS */ -#define D_ETRNONLY ((char)0x01) /* allow only ETRN (disk low) */ -#define D_OPTIONAL 'O' /* optional socket */ -#define D_DISABLE ((char)0x02) /* optional socket disabled */ -#define D_ISSET ((char)0x03) /* this client struct is set */ - -#if STARTTLS -/* -** TLS -*/ - -/* what to do in the TLS initialization */ -#define TLS_I_NONE 0x00000000 /* no requirements... */ -#define TLS_I_CERT_EX 0x00000001 /* cert must exist */ -#define TLS_I_CERT_UNR 0x00000002 /* cert must be g/o unreadable */ -#define TLS_I_KEY_EX 0x00000004 /* key must exist */ -#define TLS_I_KEY_UNR 0x00000008 /* key must be g/o unreadable */ -#define TLS_I_CERTP_EX 0x00000010 /* CA cert path must exist */ -#define TLS_I_CERTP_UNR 0x00000020 /* CA cert path must be g/o unreadable */ -#define TLS_I_CERTF_EX 0x00000040 /* CA cert file must exist */ -#define TLS_I_CERTF_UNR 0x00000080 /* CA cert file must be g/o unreadable */ -#define TLS_I_RSA_TMP 0x00000100 /* RSA TMP must be generated */ -#define TLS_I_USE_KEY 0x00000200 /* private key must usable */ -#define TLS_I_USE_CERT 0x00000400 /* certificate must be usable */ -#define TLS_I_VRFY_PATH 0x00000800 /* load verify path must succeed */ -#define TLS_I_VRFY_LOC 0x00001000 /* load verify default must succeed */ -#define TLS_I_CACHE 0x00002000 /* require cache */ -#define TLS_I_TRY_DH 0x00004000 /* try DH certificate */ -#define TLS_I_REQ_DH 0x00008000 /* require DH certificate */ -#define TLS_I_DHPAR_EX 0x00010000 /* require DH parameters */ -#define TLS_I_DHPAR_UNR 0x00020000 /* DH param. must be g/o unreadable */ -#define TLS_I_DH512 0x00040000 /* generate 512bit DH param */ -#define TLS_I_DH1024 0x00080000 /* generate 1024bit DH param */ -#define TLS_I_DH2048 0x00100000 /* generate 2048bit DH param */ -#define TLS_I_NO_VRFY 0x00200000 /* do not require authentication */ -#define TLS_I_KEY_OUNR 0x00400000 /* Key must be other unreadable */ -#define TLS_I_CRLF_EX 0x00800000 /* CRL file must exist */ -#define TLS_I_CRLF_UNR 0x01000000 /* CRL file must be g/o unreadable */ - -/* require server cert */ -#define TLS_I_SRV_CERT (TLS_I_CERT_EX | TLS_I_KEY_EX | \ - TLS_I_KEY_UNR | TLS_I_KEY_OUNR | \ - TLS_I_CERTP_EX | TLS_I_CERTF_EX | \ - TLS_I_USE_KEY | TLS_I_USE_CERT | TLS_I_CACHE) - -/* server requirements */ -#define TLS_I_SRV (TLS_I_SRV_CERT | TLS_I_RSA_TMP | TLS_I_VRFY_PATH | \ - TLS_I_VRFY_LOC | TLS_I_TRY_DH | TLS_I_DH512 | \ - TLS_I_CACHE) - -/* client requirements */ -#define TLS_I_CLT (TLS_I_KEY_UNR | TLS_I_KEY_OUNR) - -#define TLS_AUTH_OK 0 -#define TLS_AUTH_NO 1 -#define TLS_AUTH_FAIL (-1) - -/* functions */ -extern bool init_tls_library __P((void)); -extern bool inittls __P((SSL_CTX **, unsigned long, bool, char *, char *, char *, char *, char *)); -extern bool initclttls __P((bool)); -extern void setclttls __P((bool)); -extern bool initsrvtls __P((bool)); -extern int tls_get_info __P((SSL *, bool, char *, MACROS_T *, bool)); -extern int endtls __P((SSL *, char *)); -extern void tlslogerr __P((const char *)); - - -EXTERN char *CACertPath; /* path to CA certificates (dir. with hashes) */ -EXTERN char *CACertFile; /* file with CA certificate */ -EXTERN char *CltCertFile; /* file with client certificate */ -EXTERN char *CltKeyFile; /* file with client private key */ -# if _FFR_TLS_1 -EXTERN char *CipherList; /* list of ciphers */ -EXTERN char *DHParams5; /* file with DH parameters (512) */ -# endif /* _FFR_TLS_1 */ -EXTERN char *DHParams; /* file with DH parameters */ -EXTERN char *RandFile; /* source of random data */ -EXTERN char *SrvCertFile; /* file with server certificate */ -EXTERN char *SrvKeyFile; /* file with server private key */ -EXTERN char *CRLFile; /* file CRLs */ -#if _FFR_CRLPATH -EXTERN char *CRLPath; /* path to CRLs (dir. with hashes) */ -#endif /* _FFR_CRLPATH */ -EXTERN unsigned long TLS_Srv_Opts; /* TLS server options */ -#endif /* STARTTLS */ - -/* -** Queue related items -*/ - -/* queue file names */ -#define ANYQFL_LETTER '?' -#define QUARQF_LETTER 'h' -#define DATAFL_LETTER 'd' -#define XSCRPT_LETTER 'x' -#define NORMQF_LETTER 'q' -#define NEWQFL_LETTER 't' - -# define TEMPQF_LETTER 'T' -# define LOSEQF_LETTER 'Q' - -/* queue sort order */ -#define QSO_BYPRIORITY 0 /* sort by message priority */ -#define QSO_BYHOST 1 /* sort by first host name */ -#define QSO_BYTIME 2 /* sort by submission time */ -#define QSO_BYFILENAME 3 /* sort by file name only */ -#define QSO_RANDOM 4 /* sort in random order */ -#define QSO_BYMODTIME 5 /* sort by modification time */ -#define QSO_NONE 6 /* do not sort */ -#if _FFR_RHS -# define QSO_BYSHUFFLE 7 /* sort by shuffled host name */ -#endif /* _FFR_RHS */ - -#define NOQGRP (-1) /* no queue group (yet) */ -#define ENVQGRP (-2) /* use queue group of envelope */ -#define NOAQGRP (-3) /* no queue group in addr (yet) */ -#define ISVALIDQGRP(x) ((x) >= 0) /* valid queue group? */ -#define NOQDIR (-1) /* no queue directory (yet) */ -#define ENVQDIR (-2) /* use queue directory of envelope */ -#define NOAQDIR (-3) /* no queue directory in addr (yet) */ -#define ISVALIDQDIR(x) ((x) >= 0) /* valid queue directory? */ -#define RS_QUEUEGROUP "queuegroup" /* ruleset for queue group selection */ - -#define NOW ((time_t) (-1)) /* queue return: now */ - -/* SuperSafe values */ -#define SAFE_NO 0 /* no fsync(): don't use... */ -#define SAFE_INTERACTIVE 1 /* limit fsync() in -odi */ -#define SAFE_REALLY 2 /* always fsync() */ -#define SAFE_REALLY_POSTMILTER 3 /* fsync() if milter says OK */ - -/* QueueMode bits */ -#define QM_NORMAL ' ' -#define QM_QUARANTINE 'Q' -#define QM_LOST 'L' - -/* Queue Run Limitations */ -struct queue_char -{ - char *queue_match; /* string to match */ - bool queue_negate; /* or not match, if set */ - struct queue_char *queue_next; -}; - -/* run_work_group() flags */ -#define RWG_NONE 0x0000 -#define RWG_FORK 0x0001 -#define RWG_VERBOSE 0x0002 -#define RWG_PERSISTENT 0x0004 -#define RWG_FORCE 0x0008 -#define RWG_RUNALL 0x0010 - -typedef struct queue_char QUEUE_CHAR; - -EXTERN int volatile CurRunners; /* current number of runner children */ -EXTERN int MaxQueueRun; /* maximum number of jobs in one queue run */ -EXTERN int MaxQueueChildren; /* max # of forked queue children */ -EXTERN int MaxRunnersPerQueue; /* max # proc's active in queue group */ -EXTERN int NiceQueueRun; /* nice queue runs to this value */ -EXTERN int NumQueue; /* number of queue groups */ -EXTERN int QueueFileMode; /* mode on files in mail queue */ -EXTERN int QueueMode; /* which queue items to act upon */ -EXTERN int QueueSortOrder; /* queue sorting order algorithm */ -EXTERN time_t MinQueueAge; /* min delivery interval */ -EXTERN time_t QueueIntvl; /* intervals between running the queue */ -EXTERN char *QueueDir; /* location of queue directory */ -EXTERN QUEUE_CHAR *QueueLimitId; /* limit queue run to id */ -EXTERN QUEUE_CHAR *QueueLimitQuarantine; /* limit queue run to quarantine reason */ -EXTERN QUEUE_CHAR *QueueLimitRecipient; /* limit queue run to rcpt */ -EXTERN QUEUE_CHAR *QueueLimitSender; /* limit queue run to sender */ -EXTERN QUEUEGRP *Queue[MAXQUEUEGROUPS + 1]; /* queue groups */ - -/* functions */ -extern void assign_queueid __P((ENVELOPE *)); -extern ADDRESS *copyqueue __P((ADDRESS *, SM_RPOOL_T *)); -extern void cleanup_queues __P((void)); -extern bool doqueuerun __P((void)); -extern void initsys __P((ENVELOPE *)); -extern void loseqfile __P((ENVELOPE *, char *)); -extern int name2qid __P((char *)); -extern char *qid_printname __P((ENVELOPE *)); -extern char *qid_printqueue __P((int, int)); -extern void quarantine_queue __P((char *, int)); -extern char *queuename __P((ENVELOPE *, int)); -extern void queueup __P((ENVELOPE *, bool, bool)); -extern bool runqueue __P((bool, bool, bool, bool)); -extern bool run_work_group __P((int, int)); -extern void set_def_queueval __P((QUEUEGRP *, bool)); -extern void setup_queues __P((bool)); -extern bool setnewqueue __P((ENVELOPE *)); -extern bool shouldqueue __P((long, time_t)); -extern void sync_queue_time __P((void)); -extern void init_qid_alg __P((void)); -extern int print_single_queue __P((int, int)); -#if REQUIRES_DIR_FSYNC -# define SYNC_DIR(path, panic) sync_dir(path, panic) -extern void sync_dir __P((char *, bool)); -#else /* REQUIRES_DIR_FSYNC */ -# define SYNC_DIR(path, panic) ((void) 0) -#endif /* REQUIRES_DIR_FSYNC */ - -/* -** Timeouts -** -** Indicated values are the MINIMUM per RFC 1123 section 5.3.2. -*/ - -EXTERN struct -{ - /* RFC 1123-specified timeouts [minimum value] */ - time_t to_initial; /* initial greeting timeout [5m] */ - time_t to_mail; /* MAIL command [5m] */ - time_t to_rcpt; /* RCPT command [5m] */ - time_t to_datainit; /* DATA initiation [2m] */ - time_t to_datablock; /* DATA block [3m] */ - time_t to_datafinal; /* DATA completion [10m] */ - time_t to_nextcommand; /* next command [5m] */ - /* following timeouts are not mentioned in RFC 1123 */ - time_t to_iconnect; /* initial connection timeout (first try) */ - time_t to_connect; /* initial connection timeout (later tries) */ - time_t to_aconnect; /* all connections timeout (MX and A records) */ - time_t to_rset; /* RSET command */ - time_t to_helo; /* HELO command */ - time_t to_quit; /* QUIT command */ - time_t to_miscshort; /* misc short commands (NOOP, VERB, etc) */ - time_t to_ident; /* IDENT protocol requests */ - time_t to_fileopen; /* opening :include: and .forward files */ - time_t to_control; /* process a control socket command */ - time_t to_lhlo; /* LMTP: LHLO command */ -#if SASL - time_t to_auth; /* AUTH dialogue [10m] */ -#endif /* SASL */ -#if STARTTLS - time_t to_starttls; /* STARTTLS dialogue [10m] */ -#endif /* STARTTLS */ - /* following are per message */ - time_t to_q_return[MAXTOCLASS]; /* queue return timeouts */ - time_t to_q_warning[MAXTOCLASS]; /* queue warning timeouts */ - time_t res_retrans[MAXRESTOTYPES]; /* resolver retransmit */ - int res_retry[MAXRESTOTYPES]; /* resolver retry */ -} TimeOuts; - -/* timeout classes for return and warning timeouts */ -#define TOC_NORMAL 0 /* normal delivery */ -#define TOC_URGENT 1 /* urgent delivery */ -#define TOC_NONURGENT 2 /* non-urgent delivery */ -#define TOC_DSN 3 /* DSN delivery */ - -/* resolver timeout specifiers */ -#define RES_TO_FIRST 0 /* first attempt */ -#define RES_TO_NORMAL 1 /* subsequent attempts */ -#define RES_TO_DEFAULT 2 /* default value */ - -/* functions */ -extern void inittimeouts __P((char *, bool)); - -/* -** Interface probing -*/ - -#define DPI_PROBENONE 0 /* Don't probe any interfaces */ -#define DPI_PROBEALL 1 /* Probe all interfaces */ -#define DPI_SKIPLOOPBACK 2 /* Don't probe loopback interfaces */ - -/* -** Trace information -*/ - -/* macros for debugging flags */ -#define tTd(flag, level) (tTdvect[flag] >= (unsigned char)level) -#define tTdlevel(flag) (tTdvect[flag]) - -/* variables */ -extern unsigned char tTdvect[100]; /* trace vector */ - -/* -** Miscellaneous information. -*/ - -/* -** The "no queue id" queue id for sm_syslog -*/ - -#define NOQID "" - -#define CURHOSTNAME (CurHostName == NULL ? "local" : CurHostName) - -/* -** Some in-line functions -*/ - -/* set exit status */ -#define setstat(s) { \ - if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL) \ - ExitStat = s; \ - } - - -#define STRUCTCOPY(s, d) d = s - -/* free a pointer if it isn't NULL and set it to NULL */ -#define SM_FREE_CLR(p) \ - if ((p) != NULL) \ - { \ - sm_free(p); \ - (p) = NULL; \ - } \ - else - -/* -** Update a permanent string variable with a new value. -** The old value is freed, the new value is strdup'ed. -** -** We use sm_pstrdup_x to duplicate the string because it raises -** an exception on error, and because it allocates "permanent storage" -** which is not expected to be freed before process exit. -** The latter is important for memory leak analysis. -** -** If an exception occurs while strdup'ing the new value, -** then the variable remains set to the old value. -** That's why the strdup must occur before we free the old value. -** -** The macro uses a do loop so that this idiom will work: -** if (...) -** PSTRSET(var, val1); -** else -** PSTRSET(var, val2); -*/ -#define PSTRSET(var, val) \ - do \ - { \ - char *_newval = sm_pstrdup_x(val); \ - if (var != NULL) \ - sm_free(var); \ - var = _newval; \ - } while (0) - -#define _CHECK_RESTART \ - do \ - { \ - if (ShutdownRequest != NULL) \ - shutdown_daemon(); \ - else if (RestartRequest != NULL) \ - restart_daemon(); \ - else if (RestartWorkGroup) \ - restart_marked_work_groups(); \ - } while (0) - -# define CHECK_RESTART _CHECK_RESTART - -/* reply types (text in SmtpMsgBuffer) */ -#define XS_DEFAULT 0 -#define XS_STARTTLS 1 -#define XS_AUTH 2 - -/* -** Global variables. -*/ - -#if _FFR_ADDR_TYPE_MODES -EXTERN bool AddrTypeModes; /* addr_type: extra "mode" information */ -#endif /* _FFR_ADDR_TYPE_MODES */ -EXTERN bool AllowBogusHELO; /* allow syntax errors on HELO command */ -EXTERN bool CheckAliases; /* parse addresses during newaliases */ -#if _FFR_QUEUE_RUN_PARANOIA -EXTERN int CheckQueueRunners; /* check whether queue runners are OK */ -#endif /* _FFR_QUEUE_RUN_PARANOIA */ -EXTERN bool ColonOkInAddr; /* single colon legal in address */ -#if !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) -EXTERN bool ConfigFileRead; /* configuration file has been read */ -#endif /* !defined(_USE_SUN_NSSWITCH_) && !defined(_USE_DEC_SVC_CONF_) */ -EXTERN bool DisConnected; /* running with OutChannel redirect to transcript file */ -EXTERN bool DontExpandCnames; /* do not $[...$] expand CNAMEs */ -EXTERN bool DontInitGroups; /* avoid initgroups() because of NIS cost */ -EXTERN bool DontLockReadFiles; /* don't read lock support files */ -EXTERN bool DontPruneRoutes; /* don't prune source routes */ -EXTERN bool ForkQueueRuns; /* fork for each job when running the queue */ -EXTERN bool FromFlag; /* if set, "From" person is explicit */ -EXTERN bool GrabTo; /* if set, get recipients from msg */ -EXTERN bool EightBitAddrOK; /* we'll let 8-bit addresses through */ -EXTERN bool HasEightBits; /* has at least one eight bit input byte */ -EXTERN bool HasWildcardMX; /* don't use MX records when canonifying */ -EXTERN bool HoldErrs; /* only output errors to transcript */ -EXTERN bool IgnoreHostStatus; /* ignore long term host status files */ -EXTERN bool IgnrDot; /* don't let dot end messages */ -EXTERN bool LogUsrErrs; /* syslog user errors (e.g., SMTP RCPT cmd) */ -EXTERN bool MatchGecos; /* look for user names in gecos field */ -EXTERN bool MeToo; /* send to the sender also */ -EXTERN bool NoAlias; /* suppress aliasing */ -EXTERN bool NoConnect; /* don't connect to non-local mailers */ -EXTERN bool OnlyOneError; /* .... or only want to give one SMTP reply */ -EXTERN bool QuickAbort; /* .... but only if we want a quick abort */ -#if REQUIRES_DIR_FSYNC -EXTERN bool RequiresDirfsync; /* requires fsync() for directory */ -#endif /* REQUIRES_DIR_FSYNC */ -EXTERN bool volatile RestartWorkGroup; /* daemon needs to restart some work groups */ -EXTERN bool RrtImpliesDsn; /* turn Return-Receipt-To: into DSN */ -EXTERN bool SaveFrom; /* save leading "From" lines */ -EXTERN bool SendMIMEErrors; /* send error messages in MIME format */ -EXTERN bool SevenBitInput; /* force 7-bit data on input */ -EXTERN bool SingleLineFromHeader; /* force From: header to be one line */ -EXTERN bool SingleThreadDelivery; /* single thread hosts on delivery */ -EXTERN bool SoftBounce; /* replace 5xy by 4xy (for testing) */ -EXTERN bool volatile StopRequest; /* stop sending output */ -EXTERN bool SuprErrs; /* set if we are suppressing errors */ -EXTERN bool TryNullMXList; /* if we are the best MX, try host directly */ -EXTERN bool UseMSP; /* mail submission: group writable queue ok? */ -EXTERN bool WorkAroundBrokenAAAA; /* some nameservers return SERVFAIL on AAAA queries */ -EXTERN bool UseErrorsTo; /* use Errors-To: header (back compat) */ -EXTERN bool UseNameServer; /* using DNS -- interpret h_errno & MX RRs */ -EXTERN char InetMode; /* default network for daemon mode */ -EXTERN char OpMode; /* operation mode, see below */ -EXTERN char SpaceSub; /* substitution for <lwsp> */ -EXTERN int BadRcptThrottle; /* Throttle rejected RCPTs per SMTP message */ -EXTERN int CheckpointInterval; /* queue file checkpoint interval */ -EXTERN int ConfigLevel; /* config file level */ -EXTERN int ConnRateThrottle; /* throttle for SMTP connection rate */ -EXTERN int volatile CurChildren; /* current number of daemonic children */ -EXTERN int CurrentLA; /* current load average */ -EXTERN int DefaultNotify; /* default DSN notification flags */ -EXTERN int DelayLA; /* load average to delay connections */ -EXTERN int DontProbeInterfaces; /* don't probe interfaces for names */ -EXTERN int Errors; /* set if errors (local to single pass) */ -EXTERN int ExitStat; /* exit status code */ -EXTERN int FastSplit; /* fast initial splitting of envelopes */ -EXTERN int FileMode; /* mode on files */ -EXTERN int LineNumber; /* line number in current input */ -EXTERN int LogLevel; /* level of logging to perform */ -EXTERN int MaxAliasRecursion; /* maximum depth of alias recursion */ -EXTERN int MaxChildren; /* maximum number of daemonic children */ -EXTERN int MaxForwardEntries; /* maximum number of forward entries */ -EXTERN int MaxHeadersLength; /* max length of headers */ -EXTERN int MaxHopCount; /* max # of hops until bounce */ -EXTERN int MaxMacroRecursion; /* maximum depth of macro recursion */ -EXTERN int MaxMimeFieldLength; /* maximum MIME field length */ -EXTERN int MaxMimeHeaderLength; /* maximum MIME header length */ -EXTERN int MaxNOOPCommands; /* max "noise" commands before slowdown */ - -EXTERN int MaxRcptPerMsg; /* max recipients per SMTP message */ -EXTERN int MaxRuleRecursion; /* maximum depth of ruleset recursion */ -#if _FFR_MSG_ACCEPT -EXTERN char *MessageAccept; /* "Message accepted for delivery" reply text */ -#endif /* _FFR_MSG_ACCEPT */ - -EXTERN int MimeMode; /* MIME processing mode */ -EXTERN int NoRecipientAction; - -#if SM_CONF_SHM -EXTERN int Numfilesys; /* number of queue file systems */ -EXTERN int *PNumFileSys; -# define NumFileSys (*PNumFileSys) -# else /* SM_CONF_SHM */ -EXTERN int NumFileSys; /* number of queue file systems */ -# endif /* SM_CONF_SHM */ - -EXTERN int QueueLA; /* load average starting forced queueing */ -EXTERN int RefuseLA; /* load average refusing connections */ -EXTERN time_t RejectLogInterval; /* time btwn log msgs while refusing */ -#if _FFR_MEMSTAT -EXTERN long QueueLowMem; /* low memory starting forced queueing */ -EXTERN long RefuseLowMem; /* low memory refusing connections */ -EXTERN char *MemoryResource;/* memory resource to look up */ -#endif /* _FFR_MEMSTAT */ -EXTERN int SuperSafe; /* be extra careful, even if expensive */ -EXTERN int VendorCode; /* vendor-specific operation enhancements */ -EXTERN int Verbose; /* set if blow-by-blow desired */ -EXTERN gid_t DefGid; /* default gid to run as */ -EXTERN gid_t RealGid; /* real gid of caller */ -EXTERN gid_t RunAsGid; /* GID to become for bulk of run */ -EXTERN gid_t EffGid; /* effective gid */ -#if SM_CONF_SHM -EXTERN key_t ShmKey; /* shared memory key */ -EXTERN char *ShmKeyFile; /* shared memory key file */ -#endif /* SM_CONF_SHM */ -EXTERN pid_t CurrentPid; /* current process id */ -EXTERN pid_t DaemonPid; /* process id of daemon */ -EXTERN pid_t PidFilePid; /* daemon/queue runner who wrote pid file */ -EXTERN uid_t DefUid; /* default uid to run as */ -EXTERN uid_t RealUid; /* real uid of caller */ -EXTERN uid_t RunAsUid; /* UID to become for bulk of run */ -EXTERN uid_t TrustedUid; /* uid of trusted user for files and startup */ -EXTERN size_t DataFileBufferSize; /* size of buf for in-core data file */ -EXTERN time_t DeliverByMin; /* deliver by minimum time */ -EXTERN time_t DialDelay; /* delay between dial-on-demand tries */ -EXTERN time_t SafeAlias; /* interval to wait until @:@ in alias file */ -EXTERN time_t ServiceCacheMaxAge; /* refresh interval for cache */ -EXTERN size_t XscriptFileBufferSize; /* size of buf for in-core transcript file */ -EXTERN MODE_T OldUmask; /* umask when sendmail starts up */ -EXTERN long MaxMessageSize; /* advertised max size we will accept */ -EXTERN long MinBlocksFree; /* min # of blocks free on queue fs */ -EXTERN long QueueFactor; /* slope of queue function */ -EXTERN long WkClassFact; /* multiplier for message class -> priority */ -EXTERN long WkRecipFact; /* multiplier for # of recipients -> priority */ -EXTERN long WkTimeFact; /* priority offset each time this job is run */ -EXTERN char *ControlSocketName; /* control socket filename [control.c] */ -EXTERN char *CurHostName; /* current host we are dealing with */ -EXTERN char *DeadLetterDrop; /* path to dead letter office */ -EXTERN char *DefUser; /* default user to run as (from DefUid) */ -EXTERN char *DefaultCharSet; /* default character set for MIME */ -EXTERN char *DoubleBounceAddr; /* where to send double bounces */ -EXTERN char *ErrMsgFile; /* file to prepend to all error messages */ -EXTERN char *FallbackMX; /* fall back MX host */ -EXTERN char *FallbackSmartHost; /* fall back smart host */ -EXTERN char *FileName; /* name to print on error messages */ -EXTERN char *ForwardPath; /* path to search for .forward files */ -EXTERN char *HeloName; /* hostname to announce in HELO */ -EXTERN char *HelpFile; /* location of SMTP help file */ -EXTERN char *HostStatDir; /* location of host status information */ -EXTERN char *HostsFile; /* path to /etc/hosts file */ -extern char *Mbdb; /* mailbox database type */ -EXTERN char *MustQuoteChars; /* quote these characters in phrases */ -EXTERN char *MyHostName; /* name of this host for SMTP messages */ -EXTERN char *OperatorChars; /* operators (old $o macro) */ -EXTERN char *PidFile; /* location of proc id file [conf.c] */ -EXTERN char *PostMasterCopy; /* address to get errs cc's */ -EXTERN char *ProcTitlePrefix; /* process title prefix */ -EXTERN char *RealHostName; /* name of host we are talking to */ -EXTERN char *RealUserName; /* real user name of caller */ -EXTERN char *volatile RestartRequest;/* a sendmail restart has been requested */ -EXTERN char *RunAsUserName; /* user to become for bulk of run */ -EXTERN char *SafeFileEnv; /* chroot location for file delivery */ -EXTERN char *ServiceSwitchFile; /* backup service switch */ -EXTERN char *volatile ShutdownRequest;/* a sendmail shutdown has been requested */ -EXTERN char *SmtpGreeting; /* SMTP greeting message (old $e macro) */ -EXTERN char *SmtpPhase; /* current phase in SMTP processing */ -EXTERN char SmtpError[MAXLINE]; /* save failure error messages */ -EXTERN char *StatFile; /* location of statistics summary */ -EXTERN char *TimeZoneSpec; /* override time zone specification */ -EXTERN char *UdbSpec; /* user database source spec */ -EXTERN char *UnixFromLine; /* UNIX From_ line (old $l macro) */ -EXTERN char **ExternalEnviron; /* saved user (input) environment */ -EXTERN char **SaveArgv; /* argument vector for re-execing */ -EXTERN BITMAP256 DontBlameSendmail; /* DontBlameSendmail bits */ -EXTERN SM_FILE_T *InChannel; /* input connection */ -EXTERN SM_FILE_T *OutChannel; /* output connection */ -EXTERN SM_FILE_T *TrafficLogFile; /* file in which to log all traffic */ -#if HESIOD -EXTERN void *HesiodContext; -#endif /* HESIOD */ -EXTERN ENVELOPE *CurEnv; /* envelope currently being processed */ -EXTERN char *RuleSetNames[MAXRWSETS]; /* ruleset number to name */ -EXTERN char *UserEnviron[MAXUSERENVIRON + 1]; -EXTERN struct rewrite *RewriteRules[MAXRWSETS]; -EXTERN struct termescape TermEscape; /* terminal escape codes */ -EXTERN SOCKADDR ConnectOnlyTo; /* override connection address (for testing) */ -EXTERN SOCKADDR RealHostAddr; /* address of host we are talking to */ -extern const SM_EXC_TYPE_T EtypeQuickAbort; /* type of a QuickAbort exception */ - - -EXTERN int ConnectionRateWindowSize; - -/* -** Declarations of useful functions -*/ - -/* Transcript file */ -extern void closexscript __P((ENVELOPE *)); -extern void openxscript __P((ENVELOPE *)); - -/* error related */ -extern void buffer_errors __P((void)); -extern void flush_errors __P((bool)); -extern void PRINTFLIKE(1, 2) message __P((const char *, ...)); -extern void PRINTFLIKE(1, 2) nmessage __P((const char *, ...)); -extern void PRINTFLIKE(1, 2) syserr __P((const char *, ...)); -extern void PRINTFLIKE(2, 3) usrerrenh __P((char *, const char *, ...)); -extern void PRINTFLIKE(1, 2) usrerr __P((const char *, ...)); -extern int isenhsc __P((const char *, int)); -extern int extenhsc __P((const char *, int, char *)); - -/* alias file */ -extern void alias __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); -extern bool aliaswait __P((MAP *, char *, bool)); -extern void forward __P((ADDRESS *, ADDRESS **, int, ENVELOPE *)); -extern void readaliases __P((MAP *, SM_FILE_T *, bool, bool)); -extern bool rebuildaliases __P((MAP *, bool)); -extern void setalias __P((char *)); - -/* logging */ -extern void logdelivery __P((MAILER *, MCI *, char *, const char *, ADDRESS *, time_t, ENVELOPE *)); -extern void logsender __P((ENVELOPE *, char *)); -extern void PRINTFLIKE(3, 4) sm_syslog __P((int, const char *, const char *, ...)); - -/* SMTP */ -extern void giveresponse __P((int, char *, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *, ADDRESS *)); -extern int reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)__P((char *, bool, MAILER *, MCI *, ENVELOPE *)), char **, int)); -extern void smtp __P((char *volatile, BITMAP256, ENVELOPE *volatile)); -#if SASL -extern int smtpauth __P((MAILER *, MCI *, ENVELOPE *)); -#endif /* SASL */ -extern int smtpdata __P((MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t)); -extern int smtpgetstat __P((MAILER *, MCI *, ENVELOPE *)); -extern int smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *)); -extern void smtpmessage __P((char *, MAILER *, MCI *, ...)); -extern void smtpinit __P((MAILER *, MCI *, ENVELOPE *, bool)); -extern char *smtptodsn __P((int)); -extern int smtpprobe __P((MCI *)); -extern void smtpquit __P((MAILER *, MCI *, ENVELOPE *)); -extern int smtprcpt __P((ADDRESS *, MAILER *, MCI *, ENVELOPE *, ADDRESS *, time_t)); -extern void smtprset __P((MAILER *, MCI *, ENVELOPE *)); - -#define REPLYTYPE(r) ((r) / 100) /* first digit of reply code */ -#define ISSMTPCODE(c) (isascii(c[0]) && isdigit(c[0]) && \ - isascii(c[1]) && isdigit(c[1]) && \ - isascii(c[2]) && isdigit(c[2])) -#define ISSMTPREPLY(c) (ISSMTPCODE(c) && \ - (c[3] == ' ' || c[3] == '-' || c[3] == '\0')) - -/* delivery */ -extern pid_t dowork __P((int, int, char *, bool, bool, ENVELOPE *)); -extern pid_t doworklist __P((ENVELOPE *, bool, bool)); -extern int endmailer __P((MCI *, ENVELOPE *, char **)); -extern int mailfile __P((char *volatile, MAILER *volatile, ADDRESS *, volatile long, ENVELOPE *)); -extern void sendall __P((ENVELOPE *, int)); - -/* stats */ -#define STATS_NORMAL 'n' -#define STATS_QUARANTINE 'q' -#define STATS_REJECT 'r' -#define STATS_CONNECT 'c' - -extern void markstats __P((ENVELOPE *, ADDRESS *, int)); -extern void clearstats __P((void)); -extern void poststats __P((char *)); - -/* control socket */ -extern void closecontrolsocket __P((bool)); -extern void clrcontrol __P((void)); -extern void control_command __P((int, ENVELOPE *)); -extern int opencontrolsocket __P((void)); - -#if MILTER -/* milter functions */ -extern void milter_config __P((char *, struct milter **, int)); -extern void milter_setup __P((char *)); -extern void milter_set_option __P((char *, char *, bool)); -extern bool milter_init __P((ENVELOPE *, char *, milters_T *)); -extern void milter_quit __P((ENVELOPE *)); -extern void milter_abort __P((ENVELOPE *)); -extern char *milter_connect __P((char *, SOCKADDR, ENVELOPE *, char *)); -extern char *milter_helo __P((char *, ENVELOPE *, char *)); -extern char *milter_envfrom __P((char **, ENVELOPE *, char *)); -extern char *milter_data_cmd __P((ENVELOPE *, char *)); -extern char *milter_envrcpt __P((char **, ENVELOPE *, char *, bool)); -extern char *milter_data __P((ENVELOPE *, char *)); -extern char *milter_unknown __P((char *, ENVELOPE *, char *)); -#endif /* MILTER */ - -extern char *addquotes __P((char *, SM_RPOOL_T *)); -extern char *arpadate __P((char *)); -extern bool atobool __P((char *)); -extern int atooct __P((char *)); -extern void auth_warning __P((ENVELOPE *, const char *, ...)); -extern int blocksignal __P((int)); -extern bool bitintersect __P((BITMAP256, BITMAP256)); -extern bool bitzerop __P((BITMAP256)); -extern int check_bodytype __P((char *)); -extern void buildfname __P((char *, char *, char *, int)); -extern bool chkclientmodifiers __P((int)); -extern bool chkdaemonmodifiers __P((int)); -extern int checkcompat __P((ADDRESS *, ENVELOPE *)); -#ifdef XDEBUG -extern void checkfd012 __P((char *)); -extern void checkfdopen __P((int, char *)); -#endif /* XDEBUG */ -extern void checkfds __P((char *)); -extern bool chownsafe __P((int, bool)); -extern void cleanstrcpy __P((char *, char *, int)); -#if SM_CONF_SHM -extern void cleanup_shm __P((bool)); -#endif /* SM_CONF_SHM */ -extern void close_sendmail_pid __P((void)); -extern void clrdaemon __P((void)); -extern void collect __P((SM_FILE_T *, bool, HDR **, ENVELOPE *, bool)); -extern bool connection_rate_check __P((SOCKADDR *, ENVELOPE *)); -extern time_t convtime __P((char *, int)); -extern char **copyplist __P((char **, bool, SM_RPOOL_T *)); -extern void copy_class __P((int, int)); -extern int count_open_connections __P((SOCKADDR *)); -extern time_t curtime __P((void)); -extern char *defcharset __P((ENVELOPE *)); -extern char *denlstring __P((char *, bool, bool)); -extern void dferror __P((SM_FILE_T *volatile, char *, ENVELOPE *)); -extern void disconnect __P((int, ENVELOPE *)); -extern void disk_status __P((SM_FILE_T *, char *)); -extern bool dns_getcanonname __P((char *, int, bool, int *, int *)); -extern pid_t dofork __P((void)); -extern int drop_privileges __P((bool)); -extern int dsntoexitstat __P((char *)); -extern void dumpfd __P((int, bool, bool)); -#if SM_HEAP_CHECK -extern void dumpstab __P((void)); -#endif /* SM_HEAP_CHECK */ -extern void dumpstate __P((char *)); -extern bool enoughdiskspace __P((long, ENVELOPE *)); -extern char *exitstat __P((char *)); -extern void fatal_error __P((SM_EXC_T *)); -extern char *fgetfolded __P((char *, int *, SM_FILE_T *)); -extern void fill_fd __P((int, char *)); -extern char *find_character __P((char *, int)); -extern int finduser __P((char *, bool *, SM_MBDB_T *)); -extern void finis __P((bool, bool, volatile int)); -extern void fixcrlf __P((char *, bool)); -extern long freediskspace __P((const char *, long *)); -#if NETINET6 && NEEDSGETIPNODE -extern void freehostent __P((struct hostent *)); -#endif /* NETINET6 && NEEDSGETIPNODE */ -extern char *get_column __P((char *, int, int, char *, int)); -extern char *getauthinfo __P((int, bool *)); -extern int getdtsize __P((void)); -extern int getla __P((void)); -extern char *getmodifiers __P((char *, BITMAP256)); -extern BITMAP256 *getrequests __P((ENVELOPE *)); -extern char *getvendor __P((int)); -extern void help __P((char *, ENVELOPE *)); -extern void init_md __P((int, char **)); -extern void initdaemon __P((void)); -extern void inithostmaps __P((void)); -extern void initmacros __P((ENVELOPE *)); -extern void initsetproctitle __P((int, char **, char **)); -extern void init_vendor_macros __P((ENVELOPE *)); -extern SIGFUNC_DECL intsig __P((int)); -extern bool isloopback __P((SOCKADDR sa)); -extern void load_if_names __P((void)); -extern bool lockfile __P((int, char *, char *, int)); -extern void log_sendmail_pid __P((ENVELOPE *)); -extern void logundelrcpts __P((ENVELOPE *, char *, int, bool)); -extern char lower __P((int)); -extern void makelower __P((char *)); -extern int makeconnection_ds __P((char *, MCI *)); -extern int makeconnection __P((char *, volatile unsigned int, MCI *, ENVELOPE *, time_t)); -extern void makeworkgroups __P((void)); -extern void markfailure __P((ENVELOPE *, ADDRESS *, MCI *, int, bool)); -extern void mark_work_group_restart __P((int, int)); -extern MCI *mci_new __P((SM_RPOOL_T *)); -extern char *munchstring __P((char *, char **, int)); -extern struct hostent *myhostname __P((char *, int)); -extern char *newstr __P((const char *)); -#if NISPLUS -extern char *nisplus_default_domain __P((void)); /* extern for Sun */ -#endif /* NISPLUS */ -extern bool path_is_dir __P((char *, bool)); -extern int pickqdir __P((QUEUEGRP *qg, long fsize, ENVELOPE *e)); -extern char *pintvl __P((time_t, bool)); -extern void printav __P((SM_FILE_T *, char **)); -extern void printmailer __P((SM_FILE_T *, MAILER *)); -extern void printnqe __P((SM_FILE_T *, char *)); -extern void printopenfds __P((bool)); -extern void printqueue __P((void)); -extern void printrules __P((void)); -extern pid_t prog_open __P((char **, int *, ENVELOPE *)); -extern bool putline __P((char *, MCI *)); -extern bool putxline __P((char *, size_t, MCI *, int)); -extern void queueup_macros __P((int, SM_FILE_T *, ENVELOPE *)); -extern void readcf __P((char *, bool, ENVELOPE *)); -extern SIGFUNC_DECL reapchild __P((int)); -extern int releasesignal __P((int)); -extern void resetlimits __P((void)); -extern void restart_daemon __P((void)); -extern void restart_marked_work_groups __P((void)); -extern bool rfc822_string __P((char *)); -extern void rmexpstab __P((void)); -extern bool savemail __P((ENVELOPE *, bool)); -extern void seed_random __P((void)); -extern void sendtoargv __P((char **, ENVELOPE *)); -extern void setclientoptions __P((char *)); -extern bool setdaemonoptions __P((char *)); -extern void setdefaults __P((ENVELOPE *)); -extern void setdefuser __P((void)); -extern bool setvendor __P((char *)); -extern void set_op_mode __P((int)); -extern void setoption __P((int, char *, bool, bool, ENVELOPE *)); -extern sigfunc_t setsignal __P((int, sigfunc_t)); -extern void sm_setuserenv __P((const char *, const char *)); -extern void settime __P((ENVELOPE *)); -extern char *sfgets __P((char *, int, SM_FILE_T *, time_t, char *)); -extern char *shortenstring __P((const char *, size_t)); -extern char *shorten_hostname __P((char [])); -extern bool shorten_rfc822_string __P((char *, size_t)); -extern void shutdown_daemon __P((void)); -extern void sm_closefrom __P((int lowest, int highest)); -extern void sm_close_on_exec __P((int lowest, int highest)); -extern struct hostent *sm_gethostbyname __P((char *, int)); -extern struct hostent *sm_gethostbyaddr __P((char *, int, int)); -extern void sm_getla __P((void)); -extern struct passwd *sm_getpwnam __P((char *)); -extern struct passwd *sm_getpwuid __P((UID_T)); -extern void sm_setproctitle __P((bool, ENVELOPE *, const char *, ...)); -extern pid_t sm_wait __P((int *)); -extern bool split_by_recipient __P((ENVELOPE *e)); -extern void stop_sendmail __P((void)); -extern void stripbackslash __P((char *)); -extern bool strreplnonprt __P((char *, int)); -extern bool strcontainedin __P((bool, char *, char *)); -extern int switch_map_find __P((char *, char *[], short [])); -#if STARTTLS -extern void tls_set_verify __P((SSL_CTX *, SSL *, bool)); -#endif /* STARTTLS */ -extern bool transienterror __P((int)); -extern void truncate_at_delim __P((char *, size_t, int)); -extern void tTflag __P((char *)); -extern void tTsetup __P((unsigned char *, unsigned int, char *)); -extern SIGFUNC_DECL tick __P((int)); -extern char *ttypath __P((void)); -extern void unlockqueue __P((ENVELOPE *)); -#if !HASUNSETENV -extern void unsetenv __P((char *)); -#endif /* !HASUNSETENV */ - -/* update file system information: +/- some blocks */ -#if SM_CONF_SHM -extern void upd_qs __P((ENVELOPE *, bool, bool, char *)); -# define updfs(e, count, space, where) upd_qs(e, count, space, where) -#else /* SM_CONF_SHM */ -# define updfs(e, count, space, where) -# define upd_qs(e, count, space, where) -#endif /* SM_CONF_SHM */ - -extern char *username __P((void)); -extern bool usershellok __P((char *, char *)); -extern void vendor_post_defaults __P((ENVELOPE *)); -extern void vendor_pre_defaults __P((ENVELOPE *)); -extern int waitfor __P((pid_t)); -extern bool writable __P((char *, ADDRESS *, long)); -#if SM_HEAP_CHECK -# define xalloc(size) xalloc_tagged(size, __FILE__, __LINE__) -extern char *xalloc_tagged __P((int, char*, int)); -#else /* SM_HEAP_CHECK */ -extern char *xalloc __P((int)); -#endif /* SM_HEAP_CHECK */ -extern void xputs __P((SM_FILE_T *, const char *)); -extern char *xtextify __P((char *, char *)); -extern bool xtextok __P((char *)); -extern int xunlink __P((char *)); -extern char *xuntextify __P((char *)); - - -#undef EXTERN -#endif /* ! _SENDMAIL_H */ |
