1.\" Copyright (c) 2008 Isilon Inc http://www.isilon.com/ 2.\" Authors: Doug Rabson <dfr@rabson.org> 3.\" Developed with Red Inc: Alfred Perlstein <alfred@FreeBSD.org> 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd July 7, 2013 29.Dt GSSD 8 30.Os 31.Sh NAME 32.Nm gssd 33.Nd "Generic Security Services Daemon" 34.Sh SYNOPSIS 35.Nm 36.Op Fl d 37.Op Fl h 38.Op Fl o 39.Op Fl v 40.Op Fl s Ar dir-list 41.Op Fl c Ar file-substring 42.Op Fl r Ar preferred-realm 43.Sh DESCRIPTION 44The 45.Nm 46program provides support for the kernel GSS-API implementation. 47.Pp 48The options are as follows: 49.Bl -tag -width indent 50.It Fl d 51Run in debug mode. 52In this mode, 53.Nm 54will not fork when it starts. 55.It Fl h 56Enable support for host-based initiator credentials. 57This permits a kerberized NFS mount to use a service principal in 58the default Kerberos 5 keytab file for access. 59Such access is enabled via the 60gssname 61option for the 62.Xr mount_nfs 8 63command. 64.It Fl o 65Force use of DES and the associated old style GSS-API initialization token. 66This may be required to make kerberized NFS mounts work against some 67non-FreeBSD NFS servers. 68.It Fl v 69Run in verbose mode. 70In this mode, 71.Nm 72will log activity messages to syslog using LOG_INFO | LOG_DAEMON or to 73stderr, if the 74.Fl d 75option has also been specified. 76The minor status is logged as a decimal number, since it is actually a 77Kerberos return status, which is signed. 78.It Fl s Ar dir-list 79Look for an appropriate credential cache file in this list of directories. 80The list should be full pathnames from root, separated by ':' characters. 81Usually this list will simply be "/tmp". 82Without this option, 83.Nm 84assumes that the credential cache file is called /tmp/krb5cc_<uid>, 85where <uid> is the effective uid for the RPC caller. 86.It Fl c Ar file-substring 87Set a file-substring for the credential cache file names. 88Only files with this substring embedded in their names will be 89selected as candidates when 90.Fl s 91has been specified. 92If not specified, it defaults to "krb5cc_". 93.It Fl r Ar preferred-realm 94Use Kerberos credentials for this realm when searching for 95credentials in directories specified with 96.Fl s . 97If not specified, the default Kerberos realm will be used. 98.El 99.Sh FILES 100.Bl -tag -width ".Pa /etc/krb5.keytab" -compact 101.It Pa /etc/krb5.keytab 102Contains Kerberos service principals which may be used as credentials 103by kernel GSS-API services. 104.El 105.Sh EXIT STATUS 106.Ex -std 107.Sh SEE ALSO 108.Xr gssapi 3 , 109.Xr mount_nfs 8 , 110.Xr syslog 3 111.Sh HISTORY 112The 113.Nm 114manual page first appeared in 115.Fx 8.0 . 116.Sh AUTHORS 117This 118manual page was written by 119.An Doug Rabson Aq dfr@FreeBSD.org . 120