1 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.1//EN">
2 <refentry id="smbcacls">
5 <refentrytitle>smbcacls</refentrytitle>
6 <manvolnum>1</manvolnum>
11 <refname>smbcacls</refname>
12 <refpurpose>Set or get ACLs on an NT file or directory names</refpurpose>
17 <command>smbcacls</command>
18 <arg choice="req">//server/share</arg>
19 <arg choice="req">filename</arg>
20 <arg choice="opt">-U username</arg>
21 <arg choice="opt">-A acls</arg>
22 <arg choice="opt">-M acls</arg>
23 <arg choice="opt">-D acls</arg>
24 <arg choice="opt">-S acls</arg>
25 <arg choice="opt">-C name</arg>
26 <arg choice="opt">-G name</arg>
27 <arg choice="opt">-n</arg>
28 <arg choice="opt">-h</arg>
33 <title>DESCRIPTION</title>
35 <para>This tool is part of the <ulink url="samba.7.html">
36 Samba</ulink> suite.</para>
38 <para>The <command>smbcacls</command> program manipulates NT Access Control Lists
39 (ACLs) on SMB file shares. </para>
44 <title>OPTIONS</title>
46 <para>The following options are available to the <command>smbcacls</command> program.
47 The format of ACLs is described in the section ACL FORMAT </para>
53 <listitem><para>Add the ACLs specified to the ACL list. Existing
54 access control entries are unchanged. </para></listitem>
61 <listitem><para>Modify the mask value (permissions) for the ACLs
62 specified on the command line. An error will be printed for each
63 ACL specified that was not already present in the ACL list
71 <listitem><para>Delete any ACLs specified on the command line.
72 An error will be printed for each ACL specified that was not
73 already present in the ACL list. </para></listitem>
80 <listitem><para>This command sets the ACLs on the file with
81 only the ones specified on the command line. All other ACLs are
82 erased. Note that the ACL specified must contain at least a revision,
83 type, owner and group for the call to succeed. </para></listitem>
89 <term>-U username</term>
90 <listitem><para>Specifies a username used to connect to the
91 specified service. The username may be of the form "username" in
92 which case the user is prompted to enter in a password and the
93 workgroup specified in the <filename>smb.conf</filename> file is
94 used, or "username%password" or "DOMAIN\username%password" and the
95 password and workgroup names are used as provided. </para></listitem>
102 <listitem><para>The owner of a file or directory can be changed
103 to the name given using the <parameter>-C</parameter> option.
104 The name can be a sid in the form S-1-x-y-z or a name resolved
105 against the server specified in the first argument. </para>
107 <para>This command is a shortcut for -M OWNER:name.
115 <listitem><para>The group owner of a file or directory can
116 be changed to the name given using the <parameter>-G</parameter>
117 option. The name can be a sid in the form S-1-x-y-z or a name
118 resolved against the server specified n the first argument.
121 <para>This command is a shortcut for -M GROUP:name.</para></listitem>
128 <listitem><para>This option displays all ACL information in numeric
129 format. The default is to convert SIDs to names and ACE types
130 and masks to a readable string format. </para></listitem>
137 <listitem><para>Print usage information on the <command>smbcacls
138 </command> program.</para></listitem>
145 <title>ACL FORMAT</title>
147 <para>The format of an ACL is one or more ACL entries separated by
148 either commas or newlines. An ACL entry is one of the following: </para>
150 <para><programlisting>
151 REVISION:<revision number>
152 OWNER:<sid or name>
153 GROUP:<sid or name>
154 ACL:<sid or name>:<type>/<flags>/<mask>
155 </programlisting></para>
158 <para>The revision of the ACL specifies the internal Windows
159 NT ACL revision for the security descriptor.
160 If not specified it defaults to 1. Using values other than 1 may
161 cause strange behaviour. </para>
163 <para>The owner and group specify the owner and group sids for the
164 object. If a SID in the format CWS-1-x-y-z is specified this is used,
165 otherwise the name specified is resolved using the server on which
166 the file or directory resides. </para>
168 <para>ACLs specify permissions granted to the SID. This SID again
169 can be specified in CWS-1-x-y-z format or as a name in which case
170 it is resolved against the server on which the file or directory
171 resides. The type, flags and mask values determine the type of
172 access granted to the SID. </para>
174 <para>The type can be either 0 or 1 corresponding to ALLOWED or
175 DENIED access to the SID. The flags values are generally
176 zero for file ACLs and either 9 or 2 for directory ACLs. Some
177 common flags are: </para>
180 <listitem><para>#define SEC_ACE_FLAG_OBJECT_INHERIT 0x1</para></listitem>
181 <listitem><para>#define SEC_ACE_FLAG_CONTAINER_INHERIT 0x2</para></listitem>
182 <listitem><para>#define SEC_ACE_FLAG_NO_PROPAGATE_INHERIT 0x4
184 <listitem><para>#define SEC_ACE_FLAG_INHERIT_ONLY 0x8</para>
188 <para>At present flags can only be specified as decimal or
189 hexadecimal values.</para>
191 <para>The mask is a value which expresses the access right
192 granted to the SID. It can be given as a decimal or hexadecimal value,
193 or by using one of the following text strings which map to the NT
194 file permissions of the same name. </para>
197 <listitem><para><emphasis>R</emphasis> - Allow read access </para></listitem>
198 <listitem><para><emphasis>W</emphasis> - Allow write access</para></listitem>
199 <listitem><para><emphasis>X</emphasis> - Execute permission on the object</para></listitem>
200 <listitem><para><emphasis>D</emphasis> - Delete the object</para></listitem>
201 <listitem><para><emphasis>P</emphasis> - Change permissions</para></listitem>
202 <listitem><para><emphasis>O</emphasis> - Take ownership</para></listitem>
206 <para>The following combined permissions can be specified:</para>
210 <listitem><para><emphasis>READ</emphasis> - Equivalent to 'RX'
211 permissions</para></listitem>
212 <listitem><para><emphasis>CHANGE</emphasis> - Equivalent to 'RXWD' permissions
214 <listitem><para><emphasis>FULL</emphasis> - Equivalent to 'RWXDPO'
215 permissions</para></listitem>
220 <title>EXIT STATUS</title>
222 <para>The <command>smbcacls</command> program sets the exit status
223 depending on the success or otherwise of the operations performed.
224 The exit status may be one of the following values. </para>
226 <para>If the operation succeeded, smbcacls returns and exit
227 status of 0. If <command>smbcacls</command> couldn't connect to the specified server,
228 or there was an error getting or setting the ACLs, an exit status
229 of 1 is returned. If there was an error parsing any command line
230 arguments, an exit status of 2 is returned. </para>
234 <title>VERSION</title>
236 <para>This man page is correct for version 2.2 of
237 the Samba suite.</para>
241 <title>AUTHOR</title>
243 <para>The original Samba software and related utilities
244 were created by Andrew Tridgell. Samba is now developed
245 by the Samba Team as an Open Source project similar
246 to the way the Linux kernel is developed.</para>
248 <para><command>smbcacls</command> was written by Andrew Tridgell
249 and Tim Potter.</para>
251 <para>The conversion to DocBook for Samba 2.2 was done
252 by Gerald Carter</para>