freebsd-dev/lib/libgssapi/mech.5

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.\" Copyright (c) 2005 Doug Rabson
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" documentation and/or other materials provided with the distribution.
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" $FreeBSD$
.Dd January 26, 2010
.Dt MECH 5
.Os
.Sh NAME
.Nm mech ,
.Nm qop
.Nd "GSS-API Mechanism and QOP files"
.Sh SYNOPSIS
.Pa "/etc/gss/mech"
.Pa "/etc/gss/qop"
.Sh DESCRIPTION
The
.Pa "/etc/gss/mech"
file contains a list of installed GSS-API security mechanisms.
Each line of the file either contains a comment if the first character
is '#' or it contains five fields with the following meanings:
.Bl -tag -width ".It Object identifier"
.It Name
The name of this GSS-API mechanism.
.It Object identifier
The OID for this mechanism.
.It Library
A shared library containing the implementation of this mechanism.
.It Kernel module
Optional kernel module containing the implementation of this mechanism (not
yet supported in FreeBSD).
.It Library options
Optional parameters interpreted by the mechanism. Library options
must be enclosed in brackets ([ ]) to differentiate them from the
optional kernel module entry.
.El
.Pp
The first mechanism listed in
.Pa "/etc/gss/mech"
is the default mechanism.
This mechanism will be used by
.Xr gss_init_sec_context 3
if the user doesn't specify a specific mechanism.
.Pp
The
.Pa "/etc/gss/qop"
file contains a list of Quality of Protection values for use with
GSS-API.
Each line of the file either contains a comment if the first character
is '#' or it contains three fields with the following meanings:
.Bl -tag -width ".It Mechanism name"
.It QOP string
The name of this Quality of Protection algorithm.
.It QOP value
The numeric value used to select this algorithm for use with GSS-API
functions such as
.Xr gss_get_mic 3 .
.It Mechanism name
The GSS-API mechanism name that corresponds to this algorithm.
.El
.Sh EXAMPLES
This is a typical entry from
.Pa "/etc/gss/mech" :
.Bd -literal
kerberosv5 1.2.840.113554.1.2.2 /usr/lib/libgssapi_krb5.so.8 -
.Ed
.Pp
This is a typical entry from
.Pa "/etc/gss/qop" :
.Bd -literal
GSS_KRB5_CONF_C_QOP_DES 0x0100 kerberosv5
.Ed
.Sh HISTORY
The
.Nm
manual page first appeared in
.Fx 7.0 .
.Sh AUTHORS
This
manual page was written by
.An Doug Rabson Aq Mt dfr@FreeBSD.org .