167 lines
3.4 KiB
Groff
167 lines
3.4 KiB
Groff
.\" Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
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.\" All rights reserved.
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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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.\" 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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.\" $Id: makemap.8,v 8.29 2001/10/10 03:23:02 ca Exp $
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.\"
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.TH MAKEMAP 8 "$Date: 2001/10/10 03:23:02 $"
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.SH NAME
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makemap
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\- create database maps for sendmail
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.SH SYNOPSIS
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.B makemap
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.RB [ \-C
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.IR file ]
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.RB [ \-N ]
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.RB [ \-c
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.IR cachesize ]
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.RB [ \-d ]
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.RB [ \-e ]
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.RB [ \-f ]
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.RB [ \-l ]
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.RB [ \-o ]
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.RB [ \-r ]
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.RB [ \-s ]
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.RB [ \-t
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.IR delim ]
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.RB [ \-u ]
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.RB [ \-v ]
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.I
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maptype mapnam
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.SH DESCRIPTION
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.B Makemap
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creates the database maps used by the keyed map lookups in
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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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.I mapname.
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.PP
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Depending on how it is compiled,
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.B makemap
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handles up to three different database formats,
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selected using the
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.I maptype
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parameter.
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They may be
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.TP
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dbm
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DBM format maps.
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This requires the
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ndbm(3)
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library.
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.TP
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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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.TP
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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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.PP
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In all cases,
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.B makemap
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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 indicate 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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.PP
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Notice: do
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.B not
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use
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.B makemap
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to create the aliases data base, but
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.B newaliases
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which puts a special token into the data base that is required by
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.B sendmail.
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.PP
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If the
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.I TrustedUser
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option is set in the sendmail configuration file and
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.B makemap
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is invoked as root, the generated files will be owned by
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the specified
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.IR TrustedUser.
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.SS Flags
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.TP
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.B \-C
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Use the specified
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.B sendmail
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configuration file for looking up the TrustedUser option.
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.TP
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.B \-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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.TP
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.B \-c
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Use the specified hash and B-Tree cache size.
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.TP
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.B \-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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.TP
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.B \-e
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Allow empty value (right hand side).
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.TP
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.B \-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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.B K
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line in sendmail.cf.
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The value is never case folded.
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.TP
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.B \-l
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List supported map types.
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.TP
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.B \-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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.TP
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.B \-r
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Allow replacement of existing keys.
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Normally
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.B makemap
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complains if you repeat a key,
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and does not do the insert.
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.TP
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.B \-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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.TP
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.B \-t
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Use the specified delimiter instead of white space.
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.TP
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.B \-u
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dump (unmap) the content of the database to standard output.
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.TP
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.B \-v
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Verbosely print what it is doing.
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.SH SEE ALSO
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sendmail(8), newaliases(1)
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.SH HISTORY
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The
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.B makemap
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command appeared in
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4.4BSD.
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