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113 lines
3.6 KiB
Groff
113 lines
3.6 KiB
Groff
.\" Copyright (c) 2008 Isilon Inc http://www.isilon.com/
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.\" Authors: Doug Rabson <dfr@rabson.org>
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.\" Developed with Red Inc: Alfred Perlstein <alfred@FreeBSD.org>
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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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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.Dd April 10 2020
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.Dt GSSD 8
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.Os
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.Sh NAME
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.Nm gssd
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.Nd "Generic Security Services Daemon"
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.Sh SYNOPSIS
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.Nm
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.Op Fl d
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.Op Fl h
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.Op Fl v
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.Op Fl s Ar dir-list
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.Op Fl c Ar file-substring
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.Op Fl r Ar preferred-realm
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.Sh DESCRIPTION
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The
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.Nm
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program provides support for the kernel GSS-API implementation.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl d
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Run in debug mode.
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In this mode,
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.Nm
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will not fork when it starts.
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.It Fl h
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Enable support for host-based initiator credentials.
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This permits a kerberized NFS mount to use a service principal in
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the default Kerberos 5 keytab file for access.
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Such access is enabled via the
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gssname
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option for the
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.Xr mount_nfs 8
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command.
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.It Fl v
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Run in verbose mode.
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In this mode,
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.Nm
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will log activity messages to syslog using LOG_INFO | LOG_DAEMON or to
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stderr, if the
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.Fl d
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option has also been specified.
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The minor status is logged as a decimal number, since it is actually a
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Kerberos return status, which is signed.
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.It Fl s Ar dir-list
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Look for an appropriate credential cache file in this list of directories.
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The list should be full pathnames from root, separated by ':' characters.
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Usually this list will simply be "/tmp".
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Without this option,
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.Nm
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assumes that the credential cache file is called /tmp/krb5cc_<uid>,
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where <uid> is the effective uid for the RPC caller.
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.It Fl c Ar file-substring
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Set a file-substring for the credential cache file names.
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Only files with this substring embedded in their names will be
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selected as candidates when
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.Fl s
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has been specified.
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If not specified, it defaults to "krb5cc_".
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.It Fl r Ar preferred-realm
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Use Kerberos credentials for this realm when searching for
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credentials in directories specified with
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.Fl s .
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If not specified, the default Kerberos realm will be used.
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.El
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.Sh FILES
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.Bl -tag -width ".Pa /etc/krb5.keytab" -compact
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.It Pa /etc/krb5.keytab
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Contains Kerberos service principals which may be used as credentials
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by kernel GSS-API services.
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.El
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.Sh EXIT STATUS
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.Ex -std
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.Sh SEE ALSO
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.Xr gssapi 3 ,
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.Xr syslog 3 ,
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.Xr mount_nfs 8
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.Sh HISTORY
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The
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.Nm
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manual page first appeared in
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.Fx 8.0 .
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.Sh AUTHORS
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This
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manual page was written by
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.An Doug Rabson Aq Mt dfr@FreeBSD.org .
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