docs-xml/manpages/vfs_full_audit.8.xml

   1 <?xml version="1.0" encoding="iso-8859-1"?>
   2 <!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
   3 <refentry id="vfs_full_audit.8">
   4
   5 <refmeta>
   6         <refentrytitle>vfs_full_audit</refentrytitle>
   7         <manvolnum>8</manvolnum>
   8         <refmiscinfo class="source">Samba</refmiscinfo>
   9         <refmiscinfo class="manual">System Administration tools</refmiscinfo>
  10         <refmiscinfo class="version">4.0</refmiscinfo>
  11 </refmeta>
  12
  13
  14 <refnamediv>
  15         <refname>vfs_full_audit</refname>
  16         <refpurpose>record Samba VFS operations in the system log</refpurpose>
  17 </refnamediv>
  18
  19 <refsynopsisdiv>
  20         <cmdsynopsis>
  21                 <command>vfs objects = full_audit</command>
  22         </cmdsynopsis>
  23 </refsynopsisdiv>
  24
  25 <refsect1>
  26         <title>DESCRIPTION</title>
  27
  28         <para>This VFS module is part of the
  29         <citerefentry><refentrytitle>samba</refentrytitle>
  30         <manvolnum>7</manvolnum></citerefentry> suite.</para>
  31
  32         <para>The <command>vfs_full_audit</command> VFS module records selected
  33         client operations to the system log using
  34         <citerefentry><refentrytitle>syslog</refentrytitle>
  35         <manvolnum>3</manvolnum></citerefentry>.</para>
  36
  37         <para><command>vfs_full_audit</command> is able to record the
  38         complete set of Samba VFS operations:</para>
  39
  40         <simplelist>
  41         <member>chdir</member>
  42         <member>chflags</member>
  43         <member>chmod</member>
  44         <member>chmod_acl</member>
  45         <member>chown</member>
  46         <member>close</member>
  47         <member>closedir</member>
  48         <member>connect</member>
  49         <member>copy_chunk_send</member>
  50         <member>copy_chunk_recv</member>
  51         <member>disconnect</member>
  52         <member>disk_free</member>
  53         <member>fchmod</member>
  54         <member>fchmod_acl</member>
  55         <member>fchown</member>
  56         <member>fget_nt_acl</member>
  57         <member>fgetxattr</member>
  58         <member>flistxattr</member>
  59         <member>fremovexattr</member>
  60         <member>fset_nt_acl</member>
  61         <member>fsetxattr</member>
  62         <member>fstat</member>
  63         <member>fsync</member>
  64         <member>ftruncate</member>
  65         <member>get_nt_acl</member>
  66         <member>get_quota</member>
  67         <member>get_shadow_copy_data</member>
  68         <member>getlock</member>
  69         <member>getwd</member>
  70         <member>getxattr</member>
  71         <member>kernel_flock</member>
  72         <member>link</member>
  73         <member>linux_setlease</member>
  74         <member>listxattr</member>
  75         <member>lock</member>
  76         <member>lseek</member>
  77         <member>lstat</member>
  78         <member>mkdir</member>
  79         <member>mknod</member>
  80         <member>open</member>
  81         <member>opendir</member>
  82         <member>pread</member>
  83         <member>pwrite</member>
  84         <member>read</member>
  85         <member>readdir</member>
  86         <member>readlink</member>
  87         <member>realpath</member>
  88         <member>removexattr</member>
  89         <member>rename</member>
  90         <member>rewinddir</member>
  91         <member>rmdir</member>
  92         <member>seekdir</member>
  93         <member>sendfile</member>
  94         <member>set_nt_acl</member>
  95         <member>set_quota</member>
  96         <member>setxattr</member>
  97         <member>stat</member>
  98         <member>statvfs</member>
  99         <member>symlink</member>
 100         <member>sys_acl_delete_def_file</member>
 101         <member>sys_acl_get_fd</member>
 102         <member>sys_acl_get_file</member>
 103         <member>sys_acl_set_fd</member>
 104         <member>sys_acl_set_file</member>
 105         <member>telldir</member>
 106         <member>unlink</member>
 107         <member>utime</member>
 108         <member>write</member>
 109         </simplelist>
 110
 111         <para>In addition to these operations,
 112         <command>vfs_full_audit</command> recognizes the special operation
 113         names &quot;all&quot; and &quot;none &quot;, which refer to all
 114         the VFS operations and none of the VFS operations respectively.
 115         </para>
 116
 117         <para><command>vfs_full_audit</command> records operations in fixed
 118         format consisting of fields separated by '|' characters. The
 119         format is: </para>
 120         <programlisting>
 121                 smbd_audit: PREFIX|OPERATION|RESULT|FILE
 122         </programlisting>
 123
 124         <para>The record fields are:</para>
 125
 126         <itemizedlist>
 127         <listitem><para><command>PREFIX</command> - the result of the full_audit:prefix string after variable substitutions</para></listitem>
 128         <listitem><para><command>OPERATION</command> - the name of the VFS operation</para></listitem>
 129         <listitem><para><command>RESULT</command> - whether the operation succeeded or failed</para></listitem>
 130         <listitem><para><command>FILE</command> - the name of the file or directory the operation was performed on</para></listitem>
 131
 132         </itemizedlist>
 133
 134         <para>This module is stackable.</para>
 135
 136 </refsect1>
 137
 138
 139 <refsect1>
 140         <title>OPTIONS</title>
 141
 142         <variablelist>
 143
 144                 <varlistentry>
 145                 <term>vfs_full_audit:prefix = STRING</term>
 146                 <listitem>
 147                 <para>Prepend audit messages with STRING. STRING is
 148                 processed for standard substitution variables listed in
 149                 <citerefentry><refentrytitle>smb.conf</refentrytitle>
 150                 <manvolnum>5</manvolnum></citerefentry>. The default
 151                 prefix is &quot;%u|%I&quot;. </para>
 152
 153                 </listitem>
 154                 </varlistentry>
 155
 156                 <varlistentry>
 157                 <term>full_audit:success = LIST</term>
 158                 <listitem>
 159                 <para>LIST is a list of VFS operations that should be
 160                 recorded if they succeed. Operations are specified using
 161                 the names listed above. Operations can be unset by prefixing
 162                 the names with "!". The default is all operations.
 163                 </para>
 164
 165                 </listitem>
 166                 </varlistentry>
 167
 168                 <varlistentry>
 169                 <term>full_audit:failure = LIST</term>
 170                 <listitem>
 171                 <para>LIST is a list of VFS operations that should be
 172                 recorded if they failed. Operations are specified using
 173                 the names listed above. Operations can be unset by prefixing
 174                 the names with "!". The default is all operations.
 175                 </para>
 176
 177                 </listitem>
 178                 </varlistentry>
 179
 180                 <varlistentry>
 181                 <term>full_audit:facility = FACILITY</term>
 182                 <listitem>
 183                 <para>Log messages to the named
 184                 <citerefentry><refentrytitle>syslog</refentrytitle>
 185                 <manvolnum>3</manvolnum></citerefentry> facility.
 186
 187                 </para>
 188
 189                 </listitem>
 190                 </varlistentry>
 191
 192                 <varlistentry>
 193                 <term>full_audit:priority = PRIORITY</term>
 194                 <listitem>
 195                 <para>Log messages with the named
 196                 <citerefentry><refentrytitle>syslog</refentrytitle>
 197                 <manvolnum>3</manvolnum></citerefentry> priority.
 198                 </para>
 199
 200                 </listitem>
 201                 </varlistentry>
 202
 203         </variablelist>
 204 </refsect1>
 205
 206 <refsect1>
 207         <title>EXAMPLES</title>
 208
 209         <para>Log file and directory open operations on the [records]
 210         share using the LOCAL7 facility and ALERT priority, including
 211         the username and IP address. Logging excludes the open VFS function
 212         on failures:</para>
 213
 214 <programlisting>
 215         <smbconfsection name="[records]"/>
 216         <smbconfoption name="path">/data/records</smbconfoption>
 217         <smbconfoption name="vfs objects">full_audit</smbconfoption>
 218         <smbconfoption name="full_audit:prefix">%u|%I</smbconfoption>
 219         <smbconfoption name="full_audit:success">open opendir</smbconfoption>
 220         <smbconfoption name="full_audit:failure">all !open</smbconfoption>
 221         <smbconfoption name="full_audit:facility">LOCAL7</smbconfoption>
 222         <smbconfoption name="full_audit:priority">ALERT</smbconfoption>
 223 </programlisting>
 224
 225 </refsect1>
 226
 227 <refsect1>
 228         <title>VERSION</title>
 229         <para>This man page is correct for version 3.0.25 of the Samba suite.
 230         </para>
 231 </refsect1>
 232
 233 <refsect1>
 234         <title>AUTHOR</title>
 235
 236         <para>The original Samba software and related utilities
 237         were created by Andrew Tridgell. Samba is now developed
 238         by the Samba Team as an Open Source project similar
 239         to the way the Linux kernel is developed.</para>
 240
 241 </refsect1>
 242
 243 </refentry>