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- Add documentation for safe_mode_gid and safe_mode_include_dir (closes #16691).
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@82981 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Markus Fischer
parent
ea30f704ff
commit
69cb80001d
2 changed files with 102 additions and 15 deletions
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@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.52 $ -->
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<!-- $Revision: 1.53 $ -->
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<chapter id="configuration">
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<title>Configuration</title>
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@ -845,6 +845,21 @@ include_path=".;c:\www\phplib"
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</listitem>
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</varlistentry>
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<varlistentry id="ini.safe-mode-gid">
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<term>
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<parameter>safe_mode_gid</parameter>
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<type>boolean</type>
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</term>
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<listitem>
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<para>
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Whether to use <literal>UID</literal> (<literal>Off</literal>) or
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<literal>GID</literal> (<literal>On</literal>) checking upon file
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access. See <link linkend="features.safe-mode">Safe Mode</link> for
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more information.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry id="ini.safe-mode-exec-dir">
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<term>
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<parameter>safe_mode_exec_dir</parameter>
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@ -858,6 +873,21 @@ include_path=".;c:\www\phplib"
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</listitem>
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</varlistentry>
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<varlistentry id="ini.safe-mode-include--dir">
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<term>
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<parameter>safe_mode_include_dir</parameter>
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<type>string</type>
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</term>
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<listitem>
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<para>
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<literal>UID</literal>/<literal>GID</literal> checks are bypassed when
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including files from this directory and its subdirectories (directory
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must also be in <link linkend="ini.include-path">include_path</link>
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or full path must including).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.24 $ -->
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<!-- $Revision: 1.25 $ -->
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<chapter id="features.safe-mode">
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<title>Safe Mode</title>
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@ -11,19 +11,67 @@
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especially ISP's, use safe mode for now.
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</para>
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<para>
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The configuration directives that control safe mode are:
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<programlisting role="ini">
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<![CDATA[
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safe_mode = Off
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safe_mode_gid = 0
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safe_mode_include_dir =
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safe_mode_exec_dir =
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open_basedir =
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safe_mode_allowed_env_vars = PHP_
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safe_mode_protected_env_vars = LD_LIBRARY_PATH
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disable_functions =
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]]>
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</programlisting>
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<table>
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<title>Configuration directives controlling safe mode are:</title>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>Directive</entry>
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<entry>Default value</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>
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<link linkend="ini.safe-mode">safe_mode</link>
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</entry>
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<entry><literal>Off</literal></entry>
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</row>
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<row>
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<entry>
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<link linkend="ini.safe-mode-gid">safe_mode_gid</link>
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</entry>
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<entry><literal>0</literal></entry>
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</row>
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<row>
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<entry>
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<link linkend="ini.safe-mode-include-dir">safe_mode_include_dir</link>
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</entry>
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<entry><literal>""</literal></entry>
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</row>
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<row>
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<entry>
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<link linkend="ini.safe-mode-exec-dir">safe_mode_exec_dir</link>
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</entry>
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<entry><literal>1</literal></entry>
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</row>
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<row>
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<entry>
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<link linkend="ini.open-basedir">open_basedir</link>
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</entry>
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<entry><literal>""</literal></entry>
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</row>
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<row>
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<entry>
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<literal>safe_mode_allowed_env_vars</literal>
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</entry>
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<entry><literal>PHP_</literal></entry>
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</row>
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<row>
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<entry>
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<literal>safe_mode_protected_env_vars</literal>
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</entry>
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<entry><literal>LD_LIBRARY_PATH</literal></entry>
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</row>
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<row>
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<entry>
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<literal>disable_functions</literal>
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</entry>
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<entry><literal>""</literal></entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</para>
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<para>
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When <link linkend="ini.safe-mode">safe_mode</link> is on, PHP checks to see
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@ -51,6 +99,15 @@ allowed to access /etc/passwd owned by uid 0 in /docroot/script.php on line 2
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]]>
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</screen>
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</para>
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<para>
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However, there may be environments where a strict <literal>UID</literal>
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check is not appropriate and a relaxed <literal>GID</literal> check is
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sufficient. This is supported by means of the <link
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linkend="ini.safe-mode-gid">safe_mode_gid</link> switch. Setting it to
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<literal>On</literal> performs the relaxed <literal>GID</literal> checking,
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setting it to <literal>Off</literal> (the default) performs
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<literal>UID</literal> checking.
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</para>
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<para>
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If instead of <link linkend="ini.safe-mode">safe_mode</link>, you set an
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<link linkend="ini.open-basedir">open_basedir</link> directory then all
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