9c0cd3f9df
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
103 lines
3.8 KiB
Groff
103 lines
3.8 KiB
Groff
.\" Copyright (c) 1992, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)cap_mkdb.1 8.1 (Berkeley) 6/6/93
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.\" $FreeBSD$
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.\"
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.Dd "June 6, 1993"
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.Dt CAP_MKDB 1
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.Os
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.Sh NAME
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.Nm cap_mkdb
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.Nd create capability database
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.Pp
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.Sh SYNOPSIS
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.Nm cap_mkdb
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.Op Fl v
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.Op Fl f Ar outfile
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.Ar file1
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.Op Ar file2 ...
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.Pp
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.Sh DESCRIPTION
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.Nm Cap_mkdb
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builds a hashed database out of the
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.Xr getcap 3
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logical database constructed by the concatenation of the specified
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files .
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.Pp
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The database is named by the basename of the first file argument and
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the string
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.Dq .db .
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The
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.Xr getcap 3
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routines can access the database in this form much more quickly
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than they can the original text file(s).
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.Pp
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The ``tc'' capabilities of the records are expanded before the
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record is stored into the database.
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.Pp
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The options as follows:
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.Bl -tag -width XXXXXX -indent
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.It Fl f Ar outfile
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Specify a different database basename.
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.It Fl v
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Print out the number of capability records in the database.
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.El
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.Pp
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.Sh FORMAT
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Each record is stored in the database using two different types of keys.
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.Pp
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The first type is a key which consists of the first capability of
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the record (not including the trailing colon (``:'')) with a data
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field consisting of a special byte followed by the rest of the record.
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The special byte is either a 0 or 1, where a 0 means that the record
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is okay, and a 1 means that there was a ``tc'' capability in the record
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that couldn't be expanded.
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.Pp
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The second type is a key which consists of one of the names from the
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first capability of the record with a data field consisting a special
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byte followed by the first capability of the record.
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The special byte is a 2.
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.Pp
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In normal operation names are looked up in the database, resulting
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in a key/data pair of the second type.
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The data field of this key/data pair is used to look up a key/data
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pair of the first type which has the real data associated with the
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name.
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.Sh RETURN VALUE
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The
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.Nm cap_mkdb
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utility exits 0 on success and >0 if an error occurs.
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.Sh SEE ALSO
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.Xr dbopen 3 ,
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.Xr getcap 3 ,
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.Xr termcap 5
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