1998-08-03 05:56:20 +00:00
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.\" Copyright (c) 1998 Sendmail, Inc. All rights reserved.
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1995-12-02 17:30:23 +00:00
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.\" Copyright (c) 1988, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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1998-08-03 05:56:20 +00:00
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.\" By using this file, you agree to the terms and conditions set
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.\" forth in the LICENSE file which can be found at the top level of
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.\" the sendmail distribution.
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.\"
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.\"
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1998-08-03 05:56:20 +00:00
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.\" @(#)makemap.8 8.10 (Berkeley) 5/19/98
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.\"
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.Dd November 16, 1992
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.Dt MAKEMAP 8
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.Os BSD 4.4
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.Sh NAME
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.Nm makemap
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.Nd create database maps for sendmail
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.Sh SYNOPSIS
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.Nm
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.Op Fl N
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.Op Fl d
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.Op Fl f
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.Op Fl o
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.Op Fl r
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.Op Fl s
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.Op Fl v
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.Ar maptype
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.Ar mapname
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.Sh DESCRIPTION
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.Nm
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creates the database maps used by the keyed map lookups in
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.Xr sendmail 8 .
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It reads input from the standard input
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and outputs them to the indicated
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.Ar mapname .
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.Pp
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Depending on how it is compiled,
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.Nm
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handles up to three different database formats,
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selected using the
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.Ar maptype
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parameter.
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They may be
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.Bl -tag -width Fl
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.It Li dbm
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DBM format maps.
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This requires the
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.Xr ndbm 3
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library.
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.It Li btree
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B-Tree format maps.
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This requires the new Berkeley DB
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library.
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.It Li hash
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Hash format maps.
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This also requires the Berkeley DB
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library.
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.El
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.Pp
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In all cases,
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.Nm
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reads lines from the standard input consisting of two
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words separated by white space.
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The first is the database key,
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the second is the value.
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The value may contain
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``%\fIn\fP''
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strings to indicated parameter substitution.
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Literal percents should be doubled
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(``%%'').
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Blank lines and lines beginning with ``#'' are ignored.
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.Ss Flags
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.Bl -tag -width Fl
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.It Fl N
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Include the null byte that terminates strings
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in the map.
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This must match the \-N flag in the sendmail.cf
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``K'' line.
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.It Fl d
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Allow duplicate keys in the map.
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This is only allowed on B-Tree format maps.
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If two identical keys are read,
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they will both be inserted into the map.
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.It Fl f
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Normally all upper case letters in the key
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are folded to lower case.
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This flag disables that behaviour.
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This is intended to mesh with the
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\-f flag in the
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\fBK\fP
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line in sendmail.cf.
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The value is never case folded.
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.It Fl o
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Append to an old file.
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This allows you to augment an existing file.
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.It Fl r
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Allow replacement of existing keys.
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Normally
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.Nm
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complains if you repeat a key,
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and does not do the insert.
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.It Fl s
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Ignore safety checks on maps being created.
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This includes checking for hard or symbolic
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links in world writable directories.
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.It Fl v
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Verbosely print what it is doing.
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.El
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.Sh SEE ALSO
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.Xr sendmail 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.4 .
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