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author	akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>	2009-01-02 06:01:57 +0000
committer	akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>	2009-01-02 06:01:57 +0000
commit	814849e0ebc6371dcf5cd104bbd4f662ef0db166 (patch)
tree	efc2fafa54648f7508910c3bdc0790c878926998 /test/io
parent	33d45510f6216bd713ae5c7d02861b3be5dbf8f1 (diff)
* ext/socket/mkconstants.rb: use hash for family_to_str to avoid
linear search. lenp argument removed. * ext/socket/socket.c (ipaddr): call family_to_str without lenp argument. git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@21268 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/io')
0 files changed, 0 insertions, 0 deletions
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE reference PUBLIC "-//OASIS//DTD DocBook V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<reference>
<title>SSSD Manual pages</title>
<refentry>
    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/upstream.xml" />

    <refmeta>
        <refentrytitle>sssd-krb5</refentrytitle>
        <manvolnum>5</manvolnum>
        <refmiscinfo class="manual">File Formats and Conventions</refmiscinfo>
    </refmeta>

    <refnamediv id='name'>
        <refname>sssd-krb5</refname>
        <refpurpose>the configuration file for SSSD</refpurpose>
    </refnamediv>

    <refsect1 id='description'>
        <title>DESCRIPTION</title>
        <para>
            This manual page describes the configuration of the Kerberos
            5 authentication backend for
            <citerefentry>
                <refentrytitle>sssd</refentrytitle>
                <manvolnum>8</manvolnum>
            </citerefentry>.
            For a detailed syntax reference, please refer to the <quote>FILE FORMAT</quote> section of the
            <citerefentry>
                <refentrytitle>sssd.conf</refentrytitle>
                <manvolnum>5</manvolnum>
            </citerefentry> manual page
        </para>
        <para>
            The Kerberos 5 authentication backend contains auth and chpass
            providers. It must be paired with identity provider in
            order to function properly (for example, id_provider = ldap). Some
            information required by the Kerberos 5 authentication backend must
            be provided by the identity provider, such as the user's Kerberos
            Principal Name (UPN). The configuration of the identity provider
            should have an entry to specify the UPN. Please refer to the man
            page for the applicable identity provider for details on how to
            configure this.
        </para>
        <para>
            This backend also provides access control based on the .k5login
            file in the home directory of the user. See <citerefentry>
            <refentrytitle>.k5login</refentrytitle><manvolnum>5</manvolnum>
            </citerefentry> for more details. Please note that an empty .k5login
            file will deny all access to this user. To activate this feature
            use 'access_provider = krb5' in your sssd configuration.
        </para>
        <para>
            In the case where the UPN is not available in the identity backend
            <command>sssd</command> will construct a UPN using the format
            <replaceable>username</replaceable>@<replaceable>krb5_realm</replaceable>.
        </para>

    </refsect1>

    <refsect1 id='file-format'>
        <title>CONFIGURATION OPTIONS</title>
        <para>
            If the auth-module krb5 is used in a SSSD domain, the following
            options must be used. See the
            <citerefentry>
                <refentrytitle>sssd.conf</refentrytitle>
                <manvolnum>5</manvolnum>
            </citerefentry> manual page, section <quote>DOMAIN SECTIONS</quote>
            for details on the configuration of a SSSD domain.
            <variablelist>
                <varlistentry>
                    <term>krb5_server (string)</term>
                    <listitem>
                        <para>
                            Specifies the list of IP addresses or hostnames
                            of the Kerberos servers to which SSSD should
                            connect in the order of preference. For more
                            information on failover and server redundancy,
                            see the <quote>FAILOVER</quote> section. An optional
                            port number (preceded by a colon) may be appended to
                            the addresses or hostnames.
                            If empty, service discovery is enabled -
                            for more information, refer to the
                            <quote>SERVICE DISCOVERY</quote> section.
                        </para>
                        <para>
                            When using service discovery for KDC or kpasswd servers,
                            SSSD first searches for DNS entries that specify _udp as
                            the protocol and falls back to _tcp if none are found.
                        </para>
                        <para>
                            This option was named <quote>krb5_kdcip</quote> in
                            earlier releases of SSSD. While the legacy name is recognized
                            for the time being, users are advised to migrate their config
                            files to use <quote>krb5_server</quote> instead.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_realm (string)</term>
                    <listitem>
                        <para>
                            The name of the Kerberos realm. This option is required
                            and must be specified.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_kpasswd (string)</term>
                    <listitem>
                        <para>
                            If the change password service is not running on the
                            KDC alternative servers can be defined here. An
                            optional port number (preceded by a colon) may be
                            appended to the addresses or hostnames.
                        </para>
                        <para>
                            For more information on failover and server
                            redundancy, see the <quote>FAILOVER</quote> section.
                            Please note that even if there are no more kpasswd
                            servers to try the back end is not switch to offline
                            if authentication against the KDC is still possible.
                        </para>
                        <para>
                            Default: Use the KDC
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_ccachedir (string)</term>
                    <listitem>
                        <para>
                            Directory to store credential caches. All the
                            substitution sequences of krb5_ccname_template can
                            be used here, too, except %d and %P. If the
                            directory does not exist it will be created. If %u,
                            %U, %p or %h are used a private directory belonging
                            to the user is created. Otherwise a public directory
                            with restricted deletion flag (aka sticky bit, see
                            <citerefentry>
                                <refentrytitle>chmod</refentrytitle>
                                <manvolnum>1</manvolnum>
                            </citerefentry> for details) is created.
                        </para>
                        <para>
                            Default: /tmp
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_ccname_template (string)</term>
                    <listitem>
                        <para>
                            Location of the user's credential cache. Currently
                            only file based credential caches are supported. In
                            the template the following sequences are
                            substituted:
                            <variablelist>
                                <varlistentry>
                                    <term>%u</term>
                                    <listitem><para>login name</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                    <term>%U</term>
                                    <listitem><para>login UID</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                    <term>%p</term>
                                    <listitem><para>principal name</para>
                                    </listitem>
                                </varlistentry>
                                <varlistentry>
                                    <term>%r</term>
                                    <listitem><para>realm name</para></listitem>
                                </varlistentry>
                                <varlistentry>
                                    <term>%h</term>
                                    <listitem><para>home directory</para>
                                    </listitem>
                                </varlistentry>
                                <varlistentry>
                                    <term>%d</term>
                                    <listitem><para>value of krb5ccache_dir
                                              </para>
                                    </listitem>
                                </varlistentry>
                                <varlistentry>
                                    <term>%P</term>
                                    <listitem><para>the process ID of the sssd
                                                    client</para>
                                    </listitem>
                                </varlistentry>
                                <varlistentry>
                                    <term>%%</term>
                                    <listitem><para>a literal '%'</para>
                                    </listitem>
                                </varlistentry>
                            </variablelist>
                            If the template ends with 'XXXXXX' mkstemp(3) is
                            used to create a unique filename in a safe way.
                        </para>
                        <para>
                            Default: FILE:%d/krb5cc_%U_XXXXXX
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_auth_timeout (integer)</term>
                    <listitem>
                        <para>
                            Timeout in seconds after an online authentication or
                            change password request is aborted. If possible the
                            authentication request is continued offline.
                        </para>
                        <para>
                            Default: 15
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_validate (boolean)</term>
                    <listitem>
                        <para>
                            Verify with the help of krb5_keytab that the TGT obtained has not been spoofed.
                        </para>
                        <para>
                            Default: false
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_keytab (string)</term>
                    <listitem>
                        <para>
                            The location of the keytab to use when validating
                            credentials obtained from KDCs.
                        </para>
                        <para>
                            Default: /etc/krb5.keytab
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_store_password_if_offline (boolean)</term>
                    <listitem>
                        <para>
                            Store the password of the user if the provider is
                            offline and use it to request a TGT when the
                            provider gets online again.
                        </para>
                        <para>
                            Please note that this feature currently only
                            available on a Linux plattform.
                        </para>
                        <para>
                            Default: false
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_renewable_lifetime (string)</term>
                    <listitem>
                        <para>
                            Request a renewable ticket with a total
                            lifetime given by an integer immediately followed
                            by one of the following delimiters:
                        </para>
                        <para>
                            <emphasis>s</emphasis> seconds
                        </para>
                        <para>
                            <emphasis>m</emphasis> minutes
                        </para>
                        <para>
                            <emphasis>h</emphasis> hours
                        </para>
                        <para>
                            <emphasis>d</emphasis> days.
                        </para>
                        <para>
                            If there is no delimiter <emphasis>s</emphasis> is
                            assumed.
                        </para>
                        <para>
                            Please note that it is not possible to mix units.
                            If you want to set the renewable lifetime to one
                            and a half hours please use '90m' instead of
                            '1h30m'.
                        </para>
                        <para>
                            Default: not set, i.e. the TGT is not renewable
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_lifetime (string)</term>
                    <listitem>
                        <para>
                            Request ticket with a with a lifetime given by an
                            integer immediately followed by one of the following
                            delimiters:
                        </para>
                        <para>
                            <emphasis>s</emphasis> seconds
                        </para>
                        <para>
                            <emphasis>m</emphasis> minutes
                        </para>
                        <para>
                            <emphasis>h</emphasis> hours
                        </para>
                        <para>
                            <emphasis>d</emphasis> days.
                        </para>
                        <para>
                            If there is no delimiter <emphasis>s</emphasis> is
                            assumed.
                        </para>
                        <para>
                            Please note that it is not possible to mix units.
                            If you want to set the lifetime to one and a half
                            hours please use '90m' instead of '1h30m'.
                        </para>
                        <para>
                            Default: not set, i.e. the default ticket lifetime
                            configured on the KDC.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_renew_interval (integer)</term>
                    <listitem>
                        <para>
                            The time in seconds between two checks if the TGT
                            should be renewed. TGTs are renewed if about half
                            of their lifetime is exceeded.
                        </para>
                        <para>
                             If this option is not set or 0 the automatic
                             renewal is disabled.
                        </para>
                        <para>
                            Default: not set
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_use_fast (string)</term>
                    <listitem>
                        <para>
                            Enables flexible authentication secure tunneling
                            (FAST) for Kerberos pre-authentication. The
                            following options are supported:
                        </para>
                        <para>
                            <emphasis>never</emphasis> use FAST, this is
                            equivalent to not set this option at all.
                        </para>
                        <para>
                            <emphasis>try</emphasis> to use FAST, if the server
                            does not support fast continue without.
                        </para>
                        <para>
                            <emphasis>demand</emphasis> to use FAST, fail if the
                            server does not require fast.
                        </para>
                        <para>
                            Default: not set, i.e. FAST is not used.
                        </para>
                        <para>
                            Please note that a keytab is required to use fast.
                        </para>
                        <para>
                            Please note also that sssd supports fast only with
                            MIT Kerberos version 1.8 and above. If sssd used
                            used with an older version using this option is a
                            configuration error.
                        </para>
                    </listitem>
                </varlistentry>

            </variablelist>
        </para>
    </refsect1>

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/failover.xml" />

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/service_discovery.xml" />

    <refsect1 id='example'>
        <title>EXAMPLE</title>
        <para>
            The following example assumes that SSSD is correctly
            configured and FOO is one of the domains in the
            <replaceable>[sssd]</replaceable> section. This example shows
            only configuration of Kerberos authentication, it does not include
            any identity provider.
        </para>
        <para>
<programlisting>
    [domain/FOO]
    auth_provider = krb5
    krb5_server = 192.168.1.1
    krb5_realm = EXAMPLE.COM
</programlisting>
        </para>
    </refsect1>

    <refsect1 id='see_also'>
        <title>SEE ALSO</title>
        <para>
            <citerefentry>
                <refentrytitle>sssd.conf</refentrytitle><manvolnum>5</manvolnum>
            </citerefentry>,
            <citerefentry>
                <refentrytitle>sssd-ldap</refentrytitle><manvolnum>5</manvolnum>
            </citerefentry>,
            <citerefentry>
                <refentrytitle>sssd</refentrytitle><manvolnum>8</manvolnum>
            </citerefentry>
        </para>
    </refsect1>
</refentry>
</reference>

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