sendmail.h
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上传日期:2007-01-04
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- /*
- * Copyright (c) 1998, 1999 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
- #ifdef _DEFINE
- # define EXTERN
- # ifndef lint
- static char SmailId[] = "@(#)$Id: sendmail.h,v 8.485 1999/12/06 22:10:05 gshapiro Exp $";
- # endif /* ! lint */
- #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 <sysexits.h>
- #include "sendmail/sendmail.h"
- #include "bf.h"
- #include "timers.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>
- #endif /* NAMED_BIND */
- #ifdef 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 SASL /* include the sasl include files if we have them */
- # include <sasl.h>
- # 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
- # undef SASL
- # define SASL SASL_VERSION
- # else /* SASL == 1 */
- # 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 */
- # 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 */
- /*
- ** Error return from inet_addr(3), in case not defined in /usr/include.
- */
- #ifndef INADDR_NONE
- # define INADDR_NONE 0xffffffff
- #endif /* ! INADDR_NONE */
- /* forward references for prototypes */
- typedef struct envelope ENVELOPE;
- typedef struct mailer MAILER;
- /*
- ** 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 */
- u_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 */
- 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 */
- short q_specificity; /* how "specific" this address is */
- };
- 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 /* propogate 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 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_VERIFIED 4 /* verified, but not expanded */
- #define QS_DONTSEND 5 /* don't send to this address */
- #define QS_EXPANDED 6 /* expanded */
- #define QS_SENDER 7 /* message sender (MeToo) */
- #define QS_CLONED 8 /* addr cloned to a split envelope */
- #define QS_DISCARDED 9 /* recipient discarded (EF_DISCARD) */
- #define QS_REPLACED 10 /* maplocaluser()/UserDB replaced */
- #define QS_REMOVED 11 /* removed (removefromlist()) */
- #define QS_DUPLICATE 12 /* duplicate suppressed */
- #define QS_INCLUDED 13 /* :include: delivery */
- /* 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_VERIFIED(s) ((s) == QS_VERIFIED)
- #define QS_IS_EXPANDED(s) ((s) == QS_EXPANDED)
- #define QS_IS_UNDELIVERED(s) ((s) == QS_OK ||
- (s) == QS_QUEUEUP ||
- (s) == QS_VERIFIED)
- #define QS_IS_SENDABLE(s) ((s) == QS_OK ||
- (s) == QS_QUEUEUP)
- #define QS_IS_ATTEMPTED(s) ((s) == QS_QUEUEUP ||
- (s) == QS_SENT)
- #define QS_IS_DEAD(s) ((s) == QS_DONTSEND ||
- (s) == QS_CLONED ||
- (s) == QS_SENDER ||
- (s) == QS_DISCARDED ||
- (s) == QS_REPLACED ||
- (s) == QS_REMOVED ||
- (s) == QS_DUPLICATE ||
- (s) == QS_INCLUDED ||
- (s) == QS_EXPANDED)
- #define NULLADDR ((ADDRESS *) NULL)
- extern ADDRESS NullAddress; /* a null (template) address [main.c] */
- /* functions */
- extern void cataddr __P((char **, char **, char *, int, int));
- extern char *crackaddr __P((char *));
- 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 *));
- extern ADDRESS *parseaddr __P((char *, ADDRESS *, int, int, char **, ENVELOPE *));
- extern char **prescan __P((char *, int, char[], int, char **, u_char *));
- extern void printaddr __P((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 *));
- extern bool sameaddr __P((ADDRESS *, ADDRESS *));
- extern int sendtolist __P((char *, ADDRESS *, ADDRESS **, int, ENVELOPE *));
- extern int removefromlist __P((char *, ADDRESS **, ENVELOPE *));
- extern void setsender __P((char *, ENVELOPE *, char **, int, bool));
- /*
- ** 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 */
- };
- /* bits for m_flags */
- #define M_ESMTP 'a' /* run Extended SMTP protocol */
- #define M_ALIASABLE 'A' /* user can be LHS of an alias */
- #define M_BLANKEND 'b' /* ensure blank line at end of message */
- #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 */
- /* 'x' CF: include Full-Name: */
- #define M_XDOT 'X' /* use hidden-dot algorithm */
- #define M_LMTP 'z' /* run Local Mail Transport Protocol */
- #define M_NOMX '0' /* turn off MX lookups */
- #define M_NONULLS '1' /* don't send null bytes */
- #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 *));
- /*
- ** Information about currently open connections to mailers, or to
- ** hosts that we have looked up recently.
- */
- #define MCI struct mailer_con_info
- MCI
- {
- u_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 */
- FILE *mci_in; /* input side of connection */
- FILE *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 */
- FILE *mci_statfile; /* long term status file */
- char *mci_heloname; /* name to use as HELO arg */
- #if SASL
- 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 */
- };
- /* flag bits */
- #define MCIF_VALID 0x00000001 /* this entry is valid */
- #define MCIF_TEMP 0x00000002 /* don't cache this connection */
- #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 */
- #define MCIF_MULTSTAT 0x00000100 /* 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_ENHSTAT 0x00010000 /* ENHANCEDSTATUSCODES supported */
- #define MCIF_EXTENS (MCIF_EXPN | MCIF_SIZE | MCIF_8BITMIME | MCIF_DSN | MCIF_8BITOK | MCIF_AUTH | MCIF_ENHSTAT)
- /* 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_ACTIVE 3 /* message being sent */
- #define MCIS_QUITING 4 /* running quit protocol */
- #define MCIS_SSD 5 /* service shutting down */
- #define MCIS_ERROR 6 /* I/O error on connection */
- /* functions */
- extern void mci_cache __P((MCI *));
- extern void mci_dump __P((MCI *, bool));
- extern void mci_dump_all __P((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 *));
- extern void mci_unlock_host __P((MCI *));
- /*
- ** 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 */
- u_char h_macro; /* include header if macro defined */
- u_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 */
- u_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 */
- /* bits for chompheader() */
- #define CHHDR_DEF 0x0001 /* default header */
- #define CHHDR_CHECK 0x0002 /* call ruleset for header */
- /* functions */
- extern void addheader __P((char *, char *, HDR **));
- extern u_long chompheader __P((char *, int *, HDR **, ENVELOPE *));
- extern void commaize __P((HDR *, char *, bool, MCI *, ENVELOPE *));
- extern HDR *copyheader __P((HDR *));
- extern void eatheader __P((ENVELOPE *, bool));
- extern char *hvalue __P((char *, HDR *));
- extern bool isheader __P((char *));
- extern void 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; /* the target person */
- 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 */
- long e_msgsize; /* size of the message in bytes */
- 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 */
- void (*e_puthdr)__P((MCI *, HDR *, ENVELOPE *, int));
- /* function to put header of message */
- void (*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 */
- FILE *e_dfp; /* data file */
- char *e_id; /* code for this entry in queue */
- int e_queuedir; /* index into queue directories */
- FILE *e_xfp; /* transcript file */
- FILE *e_lockfp; /* the lock file for this message */
- char *e_message; /* error message */
- char *e_statmsg; /* stat msg (changes per delivery) */
- 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; /* df file's device, for crash recov */
- ino_t e_dfino; /* df file's ino, for crash recovery */
- char *e_macro[256]; /* macro definitions */
- char *e_auth_param;
- TIMERS e_timers; /* per job timers */
- #if _FFR_QUEUEDELAY
- int e_queuealg; /* algorithm for queue delay */
- time_t e_queuedelay; /* current delay */
- #endif /* _FFR_QUEUEDELAY */
- };
- /* values for e_flags */
- #define EF_OLDSTYLE 0x0000001L /* use spaces (not commas) in hdrs */
- #define EF_INQUEUE 0x0000002L /* this message is fully queued */
- #define EF_NO_BODY_RETN 0x0000004L /* omit message body on error */
- #define EF_CLRQUEUE 0x0000008L /* disk copy is no longer needed */
- #define EF_SENDRECEIPT 0x0000010L /* send a return receipt */
- #define EF_FATALERRS 0x0000020L /* fatal errors occurred */
- #define EF_DELETE_BCC 0x0000040L /* delete Bcc: headers entirely */
- #define EF_RESPONSE 0x0000080L /* this is an error or return receipt */
- #define EF_RESENT 0x0000100L /* this message is being forwarded */
- #define EF_VRFYONLY 0x0000200L /* verify only (don't expand aliases) */
- #define EF_WARNING 0x0000400L /* warning message has been sent */
- #define EF_QUEUERUN 0x0000800L /* this envelope is from queue */
- #define EF_GLOBALERRS 0x0001000L /* treat errors as global */
- #define EF_PM_NOTIFY 0x0002000L /* send return mail to postmaster */
- #define EF_METOO 0x0004000L /* send to me too */
- #define EF_LOGSENDER 0x0008000L /* need to log the sender */
- #define EF_NORECEIPT 0x0010000L /* suppress all return-receipts */
- #define EF_HAS8BIT 0x0020000L /* at least one 8-bit char in body */
- #define EF_NL_NOT_EOL 0x0040000L /* don't accept raw NL as EOLine */
- #define EF_CRLF_NOT_EOL 0x0080000L /* don't accept CR-LF as EOLine */
- #define EF_RET_PARAM 0x0100000L /* RCPT command had RET argument */
- #define EF_HAS_DF 0x0200000L /* set when df file is instantiated */
- #define EF_IS_MIME 0x0400000L /* really is a MIME message */
- #define EF_DONT_MIME 0x0800000L /* never MIME this message */
- #define EF_DISCARD 0x1000000L /* discard the message */
- /* functions */
- extern void clearenvelope __P((ENVELOPE *, bool));
- extern void dropenvelope __P((ENVELOPE *, bool));
- extern ENVELOPE *newenvelope __P((ENVELOPE *, ENVELOPE *));
- extern void printenvflags __P((ENVELOPE *));
- extern void putbody __P((MCI *, ENVELOPE *, char *));
- extern void 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 */
- };
- /*
- ** 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.
- */
- /* left hand side items */
- #define MATCHZANY ((u_char)0220) /* match zero or more tokens */
- #define MATCHANY ((u_char)0221) /* match one or more tokens */
- #define MATCHONE ((u_char)0222) /* match exactly one token */
- #define MATCHCLASS ((u_char)0223) /* match one token in a class */
- #define MATCHNCLASS ((u_char)0224) /* match anything not in class */
- #define MATCHREPL ((u_char)0225) /* replacement on RHS for above */
- /* right hand side items */
- #define CANONNET ((u_char)0226) /* canonical net, next token */
- #define CANONHOST ((u_char)0227) /* canonical host, next token */
- #define CANONUSER ((u_char)0230) /* canonical user, next N tokens */
- #define CALLSUBR ((u_char)0231) /* call another rewriting set */
- /* conditionals in macros */
- #define CONDIF ((u_char)0232) /* conditional if-then */
- #define CONDELSE ((u_char)0233) /* conditional else */
- #define CONDFI ((u_char)0234) /* conditional fi */
- /* bracket characters for host name lookup */
- #define HOSTBEGIN ((u_char)0235) /* hostname lookup begin */
- #define HOSTEND ((u_char)0236) /* hostname lookup end */
- /* bracket characters for generalized lookup */
- #define LOOKUPBEGIN ((u_char)0205) /* generalized lookup begin */
- #define LOOKUPEND ((u_char)0206) /* generalized lookup end */
- /* macro substitution character */
- #define MACROEXPAND ((u_char)0201) /* macro expansion */
- #define MACRODEXPAND ((u_char)0202) /* deferred macro expansion */
- /* to make the code clearer */
- #define MATCHZERO CANONHOST
- /* external <==> internal mapping table */
- struct metamac
- {
- char metaname; /* external code (after $) */
- u_char metaval; /* internal code (as above) */
- };
- /* values for macros with external names only */
- #define MID_OPMODE 0202 /* operation mode */
- /* functions */
- extern void define __P((int, char *, ENVELOPE *));
- extern void expand __P((char *, char *, size_t, ENVELOPE *));
- extern int macid __P((char *, char **));
- extern char *macname __P((int));
- extern char *macvalue __P((int, ENVELOPE *));
- extern int rscheck __P((char *, char *, char *, ENVELOPE *e, bool, bool));
- extern void setclass __P((int, char *));
- extern int strtorwset __P((char *, char **, int));
- extern void translate_dollars __P((char *));
- 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 */
- };
- /* values for nc_flags */
- #define NCF_VALID 0x0001 /* entry valid */
- /* functions */
- extern bool getcanonname __P((char *, int, bool));
- extern int getmxrr __P((char *, char **, u_short *, bool, int *));
- /*
- ** 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 */
- 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 */
- u_char map_keycolno; /* key column number */
- u_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 */
- 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 */
- #define MF_UNSAFEDB 0x00004000 /* this map is world writable */
- #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_NOREWRITE 0x00200000 /* don't rewrite result, return as-is */
- #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 */
- /*
- ** 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 */
- /* functions */
- extern void closemaps __P((void));
- 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 *));
- #if USERDB
- extern void _udbx_close __P((void));
- extern int udbexpand __P((ADDRESS *, ADDRESS **, int, ENVELOPE *));
- extern char *udbsender __P((char *));
- #endif /* USERDB */
- /*
- ** LDAP related items
- */
- #ifdef LDAPMAP
- struct ldapmap_struct
- {
- /* needed for ldap_open or ldap_init */
- char *ldap_host;
- int ldap_port;
- /* options set in ld struct before ldap_bind_s */
- int ldap_deref;
- time_t ldap_timelimit;
- int ldap_sizelimit;
- int ldap_options;
- /* args for ldap_bind_s */
- LDAP *ldap_ld;
- char *ldap_binddn;
- char *ldap_secret;
- int ldap_method;
- /* args for ldap_search */
- char *ldap_base;
- int ldap_scope;
- char *ldap_filter;
- char *ldap_attr[LDAPMAP_MAX_ATTR + 1];
- bool ldap_attrsonly;
- /* args for ldap_result */
- struct timeval ldap_timeout;
- LDAPMessage *ldap_res;
- };
- typedef struct ldapmap_struct LDAPMAP_STRUCT;
- /* 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
- */
- #ifdef PH_MAP
- struct ph_map_struct
- {
- char *ph_servers; /* list of ph servers */
- char *ph_field_list; /* list of fields to search for match */
- FILE *ph_to_server;
- FILE *ph_from_server;
- int ph_sockfd;
- time_t ph_timeout;
- };
- typedef struct ph_map_struct PH_MAP_STRUCT;
- # define DEFAULT_PH_MAP_FIELDS "alias callsign name spacedname"
- #endif /* PH_MAP */
- /*
- ** Process List (proclist)
- */
- struct procs
- {
- pid_t proc_pid;
- char *proc_task;
- int proc_type;
- };
- #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));
- extern void proc_list_clear __P((void));
- extern void proc_list_display __P((FILE *));
- extern int proc_list_drop __P((pid_t));
- extern void proc_list_probe __P((void));
- extern void proc_list_set __P((pid_t, char *));
- /*
- ** Symbol table definitions
- */
- struct symtab
- {
- char *s_name; /* name to be entered */
- short s_type; /* general type (see below) */
- short s_len; /* length of this entry */
- 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 */
- char *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 */
- #ifdef LDAPMAP
- LDAP *sv_ldap; /* LDAP connection */
- #endif /* LDAPMAP */
- } 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 */
- #ifdef LDAPMAP
- # define ST_LDAP 13 /* LDAP connection */
- #endif /* LDAPMAP */
- #define ST_MCI 16 /* 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
- #ifdef LDAPMAP
- # define s_ldap s_value.sv_ldap
- #endif /* LDAPMAP */
- /* 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));
- /*
- ** STRUCT EVENT -- event queue.
- **
- ** Maintained in sorted order.
- **
- ** We store the pid of the process that set this event to insure
- ** that when we fork we will not take events intended for the parent.
- */
- struct event
- {
- time_t ev_time; /* time of the function call */
- void (*ev_func)__P((int));
- /* function to call */
- int ev_arg; /* argument to ev_func */
- int ev_pid; /* pid that set this event */
- struct event *ev_link; /* link to next item */
- };
- typedef struct event EVENT;
- /* functions */
- extern void clrevent __P((EVENT *));
- extern void clear_events __P((void));
- extern EVENT *setevent __P((time_t, void(*)(), 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. It's 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_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 */
- /* values for e_sendmode -- send modes */
- #define SM_DELIVER 'i' /* interactive delivery */
- #define SM_FORK 'b' /* deliver in background */
- #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) */
- /* used only as a parameter to sendall */
- #define SM_DEFAULT ' ' /* 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 */
- /*
- ** Privacy flags
- ** These are bit values for the PrivacyFlags word.
- */
- #define PRIV_PUBLIC 0 /* what have I got to hide? */
- #define PRIV_NEEDMAILHELO 0x0001 /* insist on HELO for MAIL, at least */
- #define PRIV_NEEDEXPNHELO 0x0002 /* insist on HELO for EXPN */
- #define PRIV_NEEDVRFYHELO 0x0004 /* insist on HELO for VRFY */
- #define PRIV_NOEXPN 0x0008 /* disallow EXPN command entirely */
- #define PRIV_NOVRFY 0x0010 /* disallow VRFY command entirely */
- #define PRIV_AUTHWARNINGS 0x0020 /* flag possible authorization probs */
- #define PRIV_NORECEIPTS 0x0040 /* disallow return receipts */
- #define PRIV_NOVERB 0x0100 /* disallow VERB command entirely */
- #define PRIV_RESTRICTMAILQ 0x1000 /* restrict mailq command */
- #define PRIV_RESTRICTQRUN 0x2000 /* restrict queue run */
- #define PRIV_NOETRN 0x4000 /* disallow ETRN command entirely */
- #define PRIV_NOBODYRETN 0x8000 /* do not return bodies on bounces */
- /* don't give no info, anyway, anyhow */
- #define PRIV_GOAWAY (0x0fff & ~PRIV_NORECEIPTS)
- /* struct defining such things */
- struct prival
- {
- char *pv_name; /* name of privacy flag */
- u_short pv_flag; /* numeric level */
- };
- /*
- ** 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
- /*
- ** 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 void mime7to8 __P((MCI *, HDR *, ENVELOPE *));
- extern int mime8to7 __P((MCI *, HDR *, ENVELOPE *, char **, 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 *));
- /*
- ** 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));
- # endif /* NETINET6 */
- extern char *hostnamebyanyaddr __P((SOCKADDR *));
- # if DAEMON
- extern char *validate_connection __P((SOCKADDR *, char *, ENVELOPE *));
- # endif /* DAEMON */
- #endif /* NETINET || NETINET6 || NETUNIX || NETISO || NETNS || NETX25 */
- /*
- ** 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 */
- /* 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_rv_off; /* turn reverse-video off */
- };
- /*
- ** Additional definitions
- */
- /* d_flags, see daemon.c */
- /* generic 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_UNQUALOK 'u' /* unqualified address is ok (cf) */
- #define D_NOCANON 'C' /* no canonification (cf) */
- #define D_NOETRN 'E' /* no ETRN (MSA) */
- #define D_ETRNONLY ((char)0x01) /* allow only ETRN (disk low) */
- #if SASL
- /*
- ** SASL
- */
- /* authenticated? */
- # define SASL_NOT_AUTH 0 /* not authenticated */
- # define SASL_PROC_AUTH 1 /* in process of authenticating */
- # define SASL_IS_AUTH 2 /* authenticated */
- #endif /* SASL */
- /* use AUTH= ? */
- # define SASL_TRY_AUTH 0 /* try auth= if advertised */
- # define SASL_AUTH_AUTH 1 /* use auth= only if authenticated */
- /*
- ** Queue related items
- */
- /* 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 */
- #if _FFR_QUEUEDELAY
- #define QD_LINEAR 0 /* linear (old) delay alg */
- #define QD_EXP 1 /* exponential delay alg */
- #endif /* _FFR_QUEUEDELAY */
- #define NOQDIR (-1) /* no queue directory (yet) */
- #define NOW ((time_t) (-1)) /* queue return: now */
- /* Queue Run Limitations */
- struct queue_char
- {
- char *queue_match; /* string to match */
- struct queue_char *queue_next;
- };
- typedef struct queue_char QUEUE_CHAR;
- /* functions */
- extern void assign_queueid __P((ENVELOPE *));
- extern ADDRESS *copyqueue __P((ADDRESS *));
- extern void initsys __P((ENVELOPE *));
- extern void loseqfile __P((ENVELOPE *, char *));
- extern void multiqueue_cache __P((void));
- extern char *qid_printname __P((ENVELOPE *));
- extern char *qid_printqueue __P((int));
- extern char *queuename __P((ENVELOPE *, int));
- extern void queueup __P((ENVELOPE *, bool));
- extern bool runqueue __P((bool, bool));
- extern void setnewqueue __P((ENVELOPE *));
- extern bool shouldqueue __P((long, time_t));
- extern void sync_queue_time __P((void));
- /*
- ** 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_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 */
- /* 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 */
- /* 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));
- /*
- ** Trace information
- */
- /* macros for debugging flags */
- #define tTd(flag, level) (tTdvect[flag] >= (u_char)level)
- #define tTdlevel(flag) (tTdvect[flag])
- /* variables */
- extern u_char tTdvect[100]; /* trace vector */
- /*
- ** Miscellaneous information.
- */
- /*
- ** The "no queue id" queue id for sm_syslog
- */
- #define NOQID "*~*"
- /*
- ** Some in-line functions
- */
- /* set exit status */
- #define setstat(s) {
- if (ExitStat == EX_OK || ExitStat == EX_TEMPFAIL)
- ExitStat = s;
- }
- /* make a copy of a string */
- #define newstr(s) strcpy(xalloc(strlen(s) + 1), s)
- #define STRUCTCOPY(s, d) d = s
- /*
- ** Global variables.
- */
- EXTERN bool AllowBogusHELO; /* allow syntax errors on HELO command */
- #if !_FFR_REMOVE_AUTOREBUILD
- EXTERN bool AutoRebuild; /* auto-rebuild the alias database as needed */
- #endif /* !_FFR_REMOVE_AUTOREBUILD */
- EXTERN bool CheckAliases; /* parse addresses during newaliases */
- EXTERN bool ChownAlwaysSafe; /* treat chown(2) as safe */
- EXTERN bool ColonOkInAddr; /* single colon legal in address */
- EXTERN bool ConfigFileRead; /* configuration file has been read */
- EXTERN bool DataProgress; /* have we sent anything since last check */
- EXTERN bool DisConnected; /* running with OutChannel redirected to xf */
- EXTERN bool DoQueueRun; /* non-interrupt time queue run needed */
- 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 DontProbeInterfaces; /* don't probe interfaces for names */
- 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 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 InChild; /* true if running in an SMTP subprocess */
- 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 */
- 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 SuperSafe; /* be extra careful, even if expensive */
- EXTERN bool SuprErrs; /* set if we are suppressing errors */
- EXTERN bool TryNullMXList; /* if we are the best MX, try host directly */
- EXTERN bool UseErrorsTo; /* use Errors-To: header (back compat) */
- EXTERN bool UseHesiod; /* using Hesiod -- interpret Hesiod errors */
- 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 CheckpointInterval; /* queue file checkpoint interval */
- EXTERN int ConfigLevel; /* config file level */
- EXTERN int ConnRateThrottle; /* throttle for SMTP connection rate */
- EXTERN int CurChildren; /* current number of daemonic children */
- EXTERN int CurrentLA; /* current load average */
- EXTERN int DefaultNotify; /* default DSN notification flags */
- EXTERN int Errors; /* set if errors (local to single pass) */
- EXTERN int ExitStat; /* exit status code */
- 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 MaxMciCache; /* maximum entries in MCI cache */
- EXTERN int MaxMimeFieldLength; /* maximum MIME field length */
- EXTERN int MaxMimeHeaderLength; /* maximum MIME header length */
- EXTERN int MaxQueueRun; /* maximum number of jobs in one queue run */
- EXTERN int MaxRcptPerMsg; /* max recipients per SMTP message */
- EXTERN int MaxRuleRecursion; /* maximum depth of ruleset recursion */
- EXTERN int MimeMode; /* MIME processing mode */
- EXTERN int NoRecipientAction;
- EXTERN int NumPriorities; /* pointer into Priorities */
- EXTERN u_short PrivacyFlags; /* privacy flags */
- EXTERN int QueueLA; /* load average starting forced queueing */
- EXTERN int QueueSortOrder; /* queue sorting order algorithm */
- EXTERN int RefuseLA; /* load average refusing connections are */
- 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 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 buffer for in-core df */
- EXTERN size_t XscriptFileBufferSize; /* size of buffer for in-core xf */
- EXTERN time_t DialDelay; /* delay between dial-on-demand tries */
- EXTERN time_t MciCacheTimeout; /* maximum idle time on connections */
- EXTERN time_t MciInfoTimeout; /* how long 'til we retry down hosts */
- EXTERN time_t MinQueueAge; /* min delivery interval */
- EXTERN time_t QueueIntvl; /* intervals between running the queue */
- EXTERN time_t SafeAlias; /* interval to wait until @:@ in alias file */
- EXTERN time_t ServiceCacheMaxAge; /* refresh interval for cache */
- EXTERN time_t ServiceCacheTime; /* time service switch was cached */
- 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 */
- #if SASL
- EXTERN char *AuthMechanisms; /* AUTH mechanisms */
- EXTERN char *SASLInfo; /* file with AUTH info */
- #endif /* SASL */
- EXTERN int SASLTryAuth; /* use AUTH= ? */
- EXTERN char *ConfFile; /* location of configuration file [conf.c] */
- 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 *FileName; /* name to print on error messages */
- EXTERN char *ForwardPath; /* path to search for .forward files */
- 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 *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 *QueueDir; /* location of queue directory */
- #if _FFR_QUEUEDELAY
- EXTERN int QueueAlg; /* algorithm for queue delays */
- EXTERN time_t QueueInitDelay; /* initial queue delay */
- EXTERN time_t QueueMaxDelay; /* maximum queue delay */
- #endif /* _FFR_QUEUEDELAY */
- EXTERN char *RealHostName; /* name of host we are talking to */
- EXTERN char *RealUserName; /* real user name of caller */
- 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 *SmtpGreeting; /* SMTP greeting message (old $e macro) */
- EXTERN char *SmtpPhase; /* current phase in SMTP processing */
- 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; /* input environment */
- /* saved user environment */
- EXTERN BITMAP256 DontBlameSendmail; /* DontBlameSendmail bits */
- EXTERN FILE *InChannel; /* input connection */
- EXTERN FILE *OutChannel; /* output connection */
- EXTERN FILE *TrafficLogFile; /* file in which to log all traffic */
- #ifdef HESIOD
- EXTERN void *HesiodContext;
- #endif /* HESIOD */
- EXTERN ENVELOPE *CurEnv; /* envelope currently being processed */
- EXTERN EVENT *EventQueue; /* head of event queue */
- EXTERN MAILER *LocalMailer; /* ptr to local mailer */
- EXTERN MAILER *ProgMailer; /* ptr to program mailer */
- EXTERN MAILER *FileMailer; /* ptr to *file* mailer */
- EXTERN MAILER *InclMailer; /* ptr to *include* mailer */
- EXTERN QUEUE_CHAR *QueueLimitRecipient; /* limit queue run to rcpt */
- EXTERN QUEUE_CHAR *QueueLimitSender; /* limit queue run to sender */
- EXTERN QUEUE_CHAR *QueueLimitId; /* limit queue run to id */
- EXTERN MAILER *Mailer[MAXMAILERS + 1];
- EXTERN struct rewrite *RewriteRules[MAXRWSETS];
- EXTERN char *RuleSetNames[MAXRWSETS]; /* ruleset number to name */
- EXTERN char *UserEnviron[MAXUSERENVIRON + 1];
- EXTERN struct priority Priorities[MAXPRIORITIES];
- 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 jmp_buf TopFrame; /* branch-to-top-of-loop-on-error frame */
- EXTERN TIMERS Timers;
- /*
- ** Declarations of useful functions
- */
- #if SASL
- extern char *intersect __P((char *, char *));
- extern char *iteminlist __P((char *, char *, char *));
- extern int proxy_policy __P((void *, const char *, const char *, const char **, const char **));
- extern int safesaslfile __P((void *, char *));
- extern int sasl_decode64 __P((const char *, unsigned, char *, unsigned *));
- extern int sasl_encode64 __P((const char *, unsigned, char *, unsigned, unsigned *));
- #endif /* SASL */
- /* 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 message __P((const char *, ...));
- extern void nmessage __P((const char *, ...));
- extern void syserr __P((const char *, ...));
- extern void usrerrenh __P((char *, const char *, ...));
- extern void 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 *, FILE *, bool, bool));
- extern bool rebuildaliases __P((MAP *, bool));
- extern void setalias __P((char *));
- /* logging */
- extern void logdelivery __P((MAILER *, MCI *, const char *, ADDRESS *, time_t, ENVELOPE *));
- extern void logsender __P((ENVELOPE *, char *));
- extern void sm_syslog __P((int, const char *, const char *, ...));
- /* SMTP */
- extern void giveresponse __P((int, MAILER *, MCI *, ADDRESS *, time_t, ENVELOPE *));
- extern int reply __P((MAILER *, MCI *, ENVELOPE *, time_t, void (*)(), char **));
- extern void smtp __P((char *, BITMAP256, ENVELOPE *volatile));
- #if SASL
- extern int smtpauth __P((MAILER *, MCI *, ENVELOPE *));
- #endif /* SASL */
- extern int smtpdata __P((MAILER *, MCI *, ENVELOPE *));
- extern int smtpgetstat __P((MAILER *, MCI *, ENVELOPE *));
- extern int smtpmailfrom __P((MAILER *, MCI *, ENVELOPE *));
- extern void smtpmessage __P((char *f, MAILER *m, MCI *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 *));
- extern void smtprset __P((MAILER *, MCI *, ENVELOPE *));
- #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] == ' '))
- /* delivery */
- extern pid_t dowork __P((int, char *, bool, bool, ENVELOPE *));
- 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 */
- extern void markstats __P((ENVELOPE *, ADDRESS *, bool));
- 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));
- extern char *addquotes __P((char *));
- 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 void buildfname __P((char *, char *, char *, 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));
- extern void clrdaemon __P((void));
- extern void collect __P((FILE *, bool, HDR **, ENVELOPE *));
- extern time_t convtime __P((char *, int));
- extern char **copyplist __P((char **, bool));
- extern void copy_class __P((int, int));
- extern time_t curtime __P((void));
- extern char *defcharset __P((ENVELOPE *));
- extern char *denlstring __P((char *, bool, bool));
- extern void disconnect __P((int, ENVELOPE *));
- extern bool dns_getcanonname __P((char *, int, bool, int *));
- extern int dofork __P((void));
- extern int drop_privileges __P((bool));
- extern int dsntoexitstat __P((char *));
- extern void dumpfd __P((int, bool, bool));
- extern void dumpstate __P((char *));
- extern bool enoughdiskspace __P((long, bool));
- extern char *exitstat __P((char *));
- extern char *fgetfolded __P((char *, int, FILE *));
- extern void fill_fd __P((int, char *));
- extern char *find_character __P((char *, int));
- extern struct passwd *finduser __P((char *, bool *));
- extern void finis __P((bool, volatile int));
- extern void fixcrlf __P((char *, bool));
- extern long freediskspace __P((char *, long *));
- extern char *get_column __P((char *, int, int, char *, int));
- extern char *getauthinfo __P((int, bool *));
- extern char *getcfname __P((void));
- extern char *getextenv __P((const char *));
- extern int getdtsize __P((void));
- extern BITMAP256 *getrequests __P((ENVELOPE *));
- extern char *getvendor __P((int));
- extern void help __P((char *, ENVELOPE *e));
- 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 intindebug __P((int));
- 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 char lower __P((int));
- extern void makelower __P((char *));
- extern int makeconnection_ds __P((char *, MCI *));
- extern int makeconnection __P((char *, volatile u_int, MCI *, ENVELOPE *));
- extern struct hostent *myhostname __P((char *, int));
- extern char *nisplus_default_domain __P((void)); /* extern for Sun */
- extern bool path_is_dir __P((char *, bool));
- extern char *pintvl __P((time_t, bool));
- extern void printav __P((char **));
- extern void printmailer __P((MAILER *));
- extern void printopenfds __P((bool));
- extern void printqueue __P((void));
- extern void printrules __P((void));
- extern int prog_open __P((char **, int *, ENVELOPE *));
- extern void putline __P((char *, MCI *));
- extern void putxline __P((char *, size_t, MCI *, int));
- extern void queueup_macros __P((int, FILE *, ENVELOPE *));
- extern SIGFUNC_DECL quiesce __P((int));
- extern void readcf __P((char *, bool, ENVELOPE *));
- extern SIGFUNC_DECL reapchild __P((int));
- extern bool refuseconnections __P((char *, ENVELOPE *, int));
- extern int releasesignal __P((int));
- extern void resetlimits __P((void));
- extern bool rfc822_string __P((char *));
- extern void 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 setoption __P((int, char *, bool, bool, ENVELOPE *));
- extern sigfunc_t setsignal __P((int, sigfunc_t));
- extern void setuserenv __P((const char *, const char *));
- extern void settime __P((ENVELOPE *));
- extern char *sfgets __P((char *, int, FILE *, time_t, char *));
- extern char *shortenstring __P((const char *, int));
- extern void shorten_hostname __P((char []));
- extern bool shorten_rfc822_string __P((char *, size_t));
- extern SIGFUNC_DECL sigusr1 __P((int));
- extern SIGFUNC_DECL sighup __P((int));
- extern void sm_dopr __P((char *, const char *, va_list));
- extern struct hostent *sm_gethostbyname __P((char *, int));
- extern struct hostent *sm_gethostbyaddr __P((char *, int, int));
- extern int sm_getla __P((ENVELOPE *));
- 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 int sm_strcasecmp __P((const char *, const char *));
- extern bool strcontainedin __P((char *, char *));
- extern void stripquotes __P((char *));
- extern int switch_map_find __P((char *, char *[], short []));
- extern bool transienterror __P((int));
- extern void tTflag __P((char *));
- extern void tTsetup __P((u_char *, 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 */
- 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));
- extern char *xalloc __P((int));
- extern void xputs __P((const char *));
- extern char *xtextify __P((char *, char *));
- extern bool xtextok __P((char *));
- extern void xunlink __P((char *));
- extern char *xuntextify __P((char *));
- #endif /* _SENDMAIL_H */