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<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
<refentry id= "sharesec.1" >
<refmeta >
<refentrytitle > sharesec</refentrytitle>
<manvolnum > 1</manvolnum>
<refmiscinfo class= "source" > Samba</refmiscinfo>
<refmiscinfo class= "manual" > User Commands</refmiscinfo>
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<refmiscinfo class= "version" > 4.2</refmiscinfo>
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</refmeta>
<refnamediv >
<refname > sharesec</refname>
<refpurpose > Set or get share ACLs</refpurpose>
</refnamediv>
<refsynopsisdiv >
<cmdsynopsis >
<command > sharesec</command>
<arg choice= "req" > sharename</arg>
<arg choice= "opt" > -r, --remove=ACL</arg>
<arg choice= "opt" > -m, --modify=ACL</arg>
<arg choice= "opt" > -a, --add=ACL</arg>
<arg choice= "opt" > -R, --replace=ACLs</arg>
<arg choice= "opt" > -D, --delete</arg>
<arg choice= "opt" > -v, --view</arg>
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<arg choice= "opt" > --view-all</arg>
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<arg choice= "opt" > -M, --machine-sid</arg>
<arg choice= "opt" > -F, --force</arg>
<arg choice= "opt" > -d, --debuglevel=DEBUGLEVEL</arg>
<arg choice= "opt" > -s, --configfile=CONFIGFILE</arg>
<arg choice= "opt" > -l, --log-basename=LOGFILEBASE</arg>
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<arg choice= "opt" > --version</arg>
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<arg choice= "opt" > -?, --help</arg>
<arg choice= "opt" > --usage</arg>
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<arg choice= "opt" > -S, --setsddl=STRING</arg>
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<arg choice= "opt" > -V, --viewsddl</arg>
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</cmdsynopsis>
</refsynopsisdiv>
<refsect1 >
<title > DESCRIPTION</title>
<para > This tool is part of the <citerefentry > <refentrytitle > samba</refentrytitle>
<manvolnum > 7</manvolnum> </citerefentry> suite.</para>
<para > The <command > sharesec</command> program manipulates share permissions
on SMB file shares.</para>
</refsect1>
<refsect1 >
<title > OPTIONS</title>
<para > The following options are available to the <command > sharesec</command> program.
The format of ACLs is described in the section ACL FORMAT </para>
<variablelist >
<varlistentry >
<term > -a|--add=ACL</term>
<listitem > <para > Add the ACEs specified to the ACL list.
</para> </listitem>
</varlistentry>
<varlistentry >
<term > -D|--delete</term>
<listitem > <para > Delete the entire security descriptor.
</para> </listitem>
</varlistentry>
<varlistentry >
<term > -F|--force</term>
<listitem > <para > Force storing the ACL.
</para> </listitem>
</varlistentry>
<varlistentry >
<term > -m|--modify=ACL</term>
<listitem > <para > Modify existing ACEs.
</para> </listitem>
</varlistentry>
<varlistentry >
<term > -M|--machine-sid</term>
<listitem > <para > Initialize the machine SID.
</para> </listitem>
</varlistentry>
<varlistentry >
<term > -r|--remove=ACL</term>
<listitem > <para > Remove ACEs.
</para> </listitem>
</varlistentry>
<varlistentry >
<term > -R|--replace=ACLS</term>
<listitem > <para >
Overwrite an existing share permission ACL.
</para> </listitem>
</varlistentry>
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<varlistentry >
<term > -v|--view</term>
<listitem > <para >
List a share acl
</para> </listitem>
</varlistentry>
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<varlistentry >
<term > --view-all</term>
<listitem > <para >
List all share acls
</para> </listitem>
</varlistentry>
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<varlistentry >
<term > -S|--setsddl=STRING</term>
<listitem > <para >
Set security descriptor by providing ACL in SDDL format.
</para> </listitem>
</varlistentry>
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<varlistentry >
<term > -V|--viewsddl</term>
<listitem > <para >
List a share acl in SDDL format.
</para> </listitem>
</varlistentry>
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&stdarg.help;
&stdarg.server.debug;
&popt.common.samba;
</variablelist>
</refsect1>
<refsect1 >
<title > ACL FORMAT</title>
<para > The format of an ACL is one or more ACL entries separated by
either commas or newlines. An ACL entry is one of the following: </para>
<para > <programlisting >
REVISION:< revision number>
OWNER:< sid or name>
GROUP:< sid or name>
ACL:< sid or name> :< type> /< flags> /< mask>
</programlisting> </para>
<para > The revision of the ACL specifies the internal Windows
NT ACL revision for the security descriptor.
If not specified it defaults to 1. Using values other than 1 may
cause strange behaviour.</para>
<para > The owner and group specify the owner and group SIDs for the
object. If a SID in the format S-1-x-y-z is specified this is used,
otherwise the name specified is resolved using the server on which
the file or directory resides.</para>
<para > ACLs specify permissions granted to the SID. This SID
can be specified in S-1-x-y-z format or as a name in which case
it is resolved against the server on which the file or directory
resides. The type, flags and mask values determine the type of
access granted to the SID.</para>
<para > The type can be either ALLOWED or DENIED to allow/deny access
to the SID. The flags values are generally zero for share ACLs.
</para>
<para > The mask is a value which expresses the access right
granted to the SID. It can be given as a decimal or hexadecimal value,
or by using one of the following text strings which map to the NT
file permissions of the same name.</para>
<itemizedlist >
<listitem > <para > <emphasis > R</emphasis> - Allow read access </para> </listitem>
<listitem > <para > <emphasis > W</emphasis> - Allow write access</para> </listitem>
<listitem > <para > <emphasis > X</emphasis> - Execute permission on the object</para> </listitem>
<listitem > <para > <emphasis > D</emphasis> - Delete the object</para> </listitem>
<listitem > <para > <emphasis > P</emphasis> - Change permissions</para> </listitem>
<listitem > <para > <emphasis > O</emphasis> - Take ownership</para> </listitem>
</itemizedlist>
<para > The following combined permissions can be specified:</para>
<itemizedlist >
<listitem > <para > <emphasis > READ</emphasis> - Equivalent to 'RX'
permissions</para> </listitem>
<listitem > <para > <emphasis > CHANGE</emphasis> - Equivalent to 'RXWD' permissions
</para> </listitem>
<listitem > <para > <emphasis > FULL</emphasis> - Equivalent to 'RWXDPO'
permissions</para> </listitem>
</itemizedlist>
</refsect1>
<refsect1 >
<title > EXIT STATUS</title>
<para > The <command > sharesec</command> program sets the exit status
depending on the success or otherwise of the operations performed.
The exit status may be one of the following values. </para>
<para > If the operation succeeded, sharesec returns and exit
status of 0. If <command > sharesec</command> couldn't connect to the specified server,
or there was an error getting or setting the ACLs, an exit status
of 1 is returned. If there was an error parsing any command line
arguments, an exit status of 2 is returned. </para>
</refsect1>
<refsect1 >
<title > EXAMPLES</title>
<para > Add full access for SID
<parameter > S-1-5-21-1866488690-1365729215-3963860297-17724</parameter> on
<parameter > share</parameter> :
</para>
<programlisting >
host:~ # sharesec share -a S-1-5-21-1866488690-1365729215-3963860297-17724:ALLOWED/0/FULL
</programlisting>
<para > List all ACEs for <parameter > share</parameter> :
</para>
<programlisting >
host:~ # sharesec share -v
REVISION:1
OWNER:(NULL SID)
GROUP:(NULL SID)
ACL:S-1-1-0:ALLOWED/0/0x101f01ff
ACL:S-1-5-21-1866488690-1365729215-3963860297-17724:ALLOWED/0/FULL
</programlisting>
</refsect1>
<refsect1 >
<title > VERSION</title>
<para > This man page is correct for version 3 of the Samba suite.</para>
</refsect1>
<refsect1 >
<title > AUTHOR</title>
<para > The original Samba software and related utilities
were created by Andrew Tridgell. Samba is now developed
by the Samba Team as an Open Source project similar
to the way the Linux kernel is developed.</para>
</refsect1>
</refentry>