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Timestamp:
Jan 15, 2010, 8:21:06 AM (16 years ago)
Author:
Herwig Bauernfeind
Message:

Update Samba 3.3 to 3.3.10 (docs)

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  • branches/samba-3.3.x/docs/htmldocs/manpages/cifs.upcall.8.html

    r218 r368  
    1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>cifs.upcall</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.74.0"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="cifs.upcall.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>cifs.upcall &#8212; Userspace upcall helper for Common Internet File System (CIFS)</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">cifs.upcall</code> [-c] [-v] {keyid}</p></div></div><div class="refsect1" lang="en"><a name="id2522953"></a><h2>DESCRIPTION</h2><p>This tool is part of the <a class="citerefentry" href="samba.7.html"><span class="citerefentry"><span class="refentrytitle">samba</span>(7)</span></a> suite.</p><p>cifs.upcall is a userspace helper program for the linux CIFS client
     1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>cifs.upcall</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" title="cifs.upcall"><a name="cifs.upcall.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>cifs.upcall &#8212; Userspace upcall helper for Common Internet File System (CIFS)</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">cifs.upcall</code> [--trust-dns|-t] [--version|-v] {keyid}</p></div></div><div class="refsect1" title="DESCRIPTION"><a name="id2528928"></a><h2>DESCRIPTION</h2><p>This tool is part of the <a class="citerefentry" href="samba.7.html"><span class="citerefentry"><span class="refentrytitle">samba</span>(7)</span></a> suite.</p><p>cifs.upcall is a userspace helper program for the linux CIFS client
    22filesystem. There are a number of activities that the kernel cannot easily
    33do itself. This program is a callout program that does these things for the
    … …  
    55request-key(8) for a particular key type. While it
    66can be run directly from the command-line, it's not generally intended
    7 to be run that way.</p></div><div class="refsect1" lang="en"><a name="id2483361"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">-c</span></dt><dd><p>When handling a kerberos upcall, use a service principal that starts with "cifs/". The default is to use the "host/" service principal.
    8                 </p></dd><dt><span class="term">-v</span></dt><dd><p>Print version number and exit.
    9                 </p></dd></dl></div></div><div class="refsect1" lang="en"><a name="id2483395"></a><h2>CONFIGURATION FOR KEYCTL</h2><p>cifs.upcall is designed to be called from the kernel via the
     7to be run that way.</p></div><div class="refsect1" title="OPTIONS"><a name="id2489324"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">-c</span></dt><dd><p>This option is deprecated and is currently ignored.
     8                </p></dd><dt><span class="term">--trust-dns|-t</span></dt><dd><p>With krb5 upcalls, the name used as the host portion of the service principal defaults to the hostname portion of the UNC. This option allows the upcall program to reverse resolve the network address of the server in order to get the hostname.</p><p>This is less secure than not trusting DNS. When using this option, it's possible that an attacker could get control of DNS and trick the client into mounting a different server altogether. It's preferable to instead add server principals to the KDC for every possible hostname, but this option exists for cases where that isn't possible. The default is to not trust reverse hostname lookups in this fashion.
     9                </p></dd><dt><span class="term">--version|-v</span></dt><dd><p>Print version number and exit.
     10                </p></dd></dl></div></div><div class="refsect1" title="CONFIGURATION FOR KEYCTL"><a name="id2489514"></a><h2>CONFIGURATION FOR KEYCTL</h2><p>cifs.upcall is designed to be called from the kernel via the
    1011        request-key callout program. This requires that request-key be told
    1112        where and how to call this program. The current cifs.upcall program
    … …  
    1516                </p></dd></dl></div><p>To make this program useful for CIFS, you'll need to set up entries for them in request-key.conf(5). Here's an example of an entry for each key type:</p><pre class="programlisting">
    1617#OPERATION  TYPE           D C PROGRAM ARG1 ARG2...
    17 #=========  =============  = = ==========================================
    18 create      cifs.spnego    * * /usr/local/sbin/cifs.upcall -c %k
     18#=========  =============  = = ================================
     19create      cifs.spnego    * * /usr/local/sbin/cifs.upcall %k
    1920create      dns_resolver   * * /usr/local/sbin/cifs.upcall %k
    2021</pre><p>
    2122See <a class="citerefentry" href="request-key.conf5..html"><span class="citerefentry"><span class="refentrytitle">request-key.conf(5)</span></span></a> for more info on each field.
    22 </p></div><div class="refsect1" lang="en"><a name="id2483582"></a><h2>SEE ALSO</h2><p>
     23</p></div><div class="refsect1" title="SEE ALSO"><a name="id2489585"></a><h2>SEE ALSO</h2><p>
    2324        <a class="citerefentry" href="request-key.conf.5.html"><span class="citerefentry"><span class="refentrytitle">request-key.conf</span>(5)</span></a>,
    2425        <a class="citerefentry" href="mount.cifs.8.html"><span class="citerefentry"><span class="refentrytitle">mount.cifs</span>(8)</span></a>
    25         </p></div><div class="refsect1" lang="en"><a name="id2483608"></a><h2>AUTHOR</h2><p>Igor Mammedov wrote the cifs.upcall program.</p><p>Jeff Layton authored this manpage.</p><p>The maintainer of the Linux CIFS VFS is Steve French.</p><p>The <a class="ulink" href="mailto:linux-cifs-client@lists.samba.org" target="_top">Linux
     26        </p></div><div class="refsect1" title="AUTHOR"><a name="id2489611"></a><h2>AUTHOR</h2><p>Igor Mammedov wrote the cifs.upcall program.</p><p>Jeff Layton authored this manpage.</p><p>The maintainer of the Linux CIFS VFS is Steve French.</p><p>The <a class="ulink" href="mailto:linux-cifs-client@lists.samba.org" target="_top">Linux
    2627                CIFS Mailing list</a> is the preferred place to ask
    2728                questions regarding these programs.
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