1.\" Copyright (c) 1997 Robert Nordier 2.\" All rights reserved. 3.\" 4.\" $FreeBSD$ 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 16.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 19.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd January 20, 1997 28.Dt CKDIST 1 29.Os 30.Sh NAME 31.Nm ckdist 32.Nd check software distributions 33.Sh SYNOPSIS 34.Nm 35.Bq Fl airsx 36.Bq Fl d Ar dir 37.Bq Fl n Ar name 38.Bq Fl t Ar type 39.Ar 40.Sh DESCRIPTION 41The 42.Nm 43utility reads "checksum" files (which are assumed to specify components 44of a software distribution) and verifies the integrity of the 45distribution by validating the checksum of each component file. 46Both MD5 (128-bit "message digest") and .inf (32-bit CRC) checksum 47formats are supported. 48.Pp 49The 50.Ar file 51operands may refer to regular files or to directories. 52Regular files 53named "md5", or which have an ".md5" or an ".inf" extension, are 54assumed to be of the implied type, otherwise format is determined from 55content. 56If a directory is specified, it is searched for 57appropriately-named files only. 58.Pp 59Options are as follows: 60.Bl -tag -width 8n -offset indent 61.It Fl a 62Report on all distribution components, not just those in respect of 63which errors are detected. 64.It Fl i 65Ignore missing distribution components. 66.It Fl r 67Search specified directories recursively. 68.It Fl s 69Suppress complaints about inaccessible checksum files and directories. 70.It Fl x 71Verify the existence of distribution components (and also check sizes, 72in the case of .inf files), but omit the more time-consuming step of 73actually computing and comparing checksums. 74.It Fl d Ar dir 75Look for distribution components in the directory 76.Ar dir . 77.It Fl n Ar name 78Access distribution components using the filename 79.Ar name . 80When accessing .inf file components, append the appropriate 81extension to the filename. 82.It Fl t Ar type 83Assume that all specified checksum files are of the format 84.Ar type , 85and search directories only for files in this format (where 86.Ar type 87is either "md5" or "inf"). 88.El 89.Sh EXIT STATUS 90Exit status is 0 if no errors were detected, 1 if errors were found in 91a distribution, and 2 if usage errors, inaccessible input files, or 92other system errors were encountered. 93.Sh SEE ALSO 94.Xr cksum 1 , 95.Xr md5 1 96.Sh NOTES 97Both 98.Bx 99and 100.Tn DOS 101versions of 102.Nm 103are available. 104