1.\" Copyright (c) 1992, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)cap_mkdb.1 8.1 (Berkeley) 6/6/93 33.\" $FreeBSD: src/usr.bin/cap_mkdb/cap_mkdb.1,v 1.15 2005/02/22 23:29:53 ru Exp $ 34.\" $DragonFly: src/usr.bin/cap_mkdb/cap_mkdb.1,v 1.3 2007/09/25 04:53:48 pavalos Exp $ 35.\" 36.Dd February 22, 2005 37.Dt CAP_MKDB 1 38.Os 39.Sh NAME 40.Nm cap_mkdb 41.Nd create capability database 42.Sh SYNOPSIS 43.Nm 44.Op Fl b | l 45.Op Fl v 46.Op Fl f Ar outfile 47.Ar 48.Sh DESCRIPTION 49The 50.Nm 51utility builds a hashed database out of the 52.Xr getcap 3 53logical database constructed by the concatenation of the specified 54files. 55.Pp 56The database is named by the basename of the first file argument and 57the string 58.Dq .db . 59The 60.Xr getcap 3 61routines can access the database in this form much more quickly 62than they can the original text file(s). 63.Pp 64The ``tc'' capabilities of the records are expanded before the 65record is stored into the database. 66.Pp 67The following options are available: 68.Bl -tag -width indent 69.It Fl b 70Use big-endian byte order for database metadata. 71.It Fl f Ar outfile 72Specify a different database basename. 73.It Fl l 74Use little-endian byte order for database metadata. 75.It Fl v 76Print out the number of capability records in the database. 77.El 78.Pp 79The 80.Fl b 81and 82.Fl l 83flags are mutually exclusive. 84The default byte ordering is the current host order. 85.Sh FORMAT 86Each record is stored in the database using two different types of keys. 87.Pp 88The first type is a key which consists of the first capability of 89the record (not including the trailing colon (``:'')) with a data 90field consisting of a special byte followed by the rest of the record. 91The special byte is either a 0 or 1, where a 0 means that the record 92is okay, and a 1 means that there was a ``tc'' capability in the record 93that could not be expanded. 94.Pp 95The second type is a key which consists of one of the names from the 96first capability of the record with a data field consisting a special 97byte followed by the first capability of the record. 98The special byte is a 2. 99.Pp 100In normal operation names are looked up in the database, resulting 101in a key/data pair of the second type. 102The data field of this key/data pair is used to look up a key/data 103pair of the first type which has the real data associated with the 104name. 105.Sh EXIT STATUS 106.Ex -std 107.Sh SEE ALSO 108.Xr dbopen 3 , 109.Xr getcap 3 , 110.Xr termcap 5 111