]> git.saurik.com Git - apt.git/blobdiff - doc/apt-key.8.xml
apt-helper: Check that we can open stdout
[apt.git] / doc / apt-key.8.xml
index 7b0691b5efdaac67ce86adbbd630abb5cc55a563..b5319efa3ab4691ea4d9a744db02e5940fe17325 100644 (file)
@@ -1,15 +1,21 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
-
-<!ENTITY % aptent SYSTEM "apt.ent">
-%aptent;
-
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
+<!ENTITY % aptent SYSTEM "apt.ent"> %aptent;
+<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent"> %aptverbatiment;
+<!ENTITY % aptvendor SYSTEM "apt-vendor.ent"> %aptvendor;
 ]>
 
 <refentry>
- &apt-docinfo;
+ <refentryinfo>
+   &apt-author.jgunthorpe;
+   &apt-author.team;
+   &apt-email;
+   &apt-product;
+   <!-- The last update date -->
+   <date>2015-10-15T00:00:00Z</date>
+ </refentryinfo>
+
  <refmeta>
    <refentrytitle>apt-key</refentrytitle>
    <manvolnum>8</manvolnum>
     <refpurpose>APT key management utility</refpurpose>
  </refnamediv>
 
- <!-- Arguments -->
- <refsynopsisdiv>
-   <cmdsynopsis>
-      <command>apt-key</command>
-      <arg><replaceable>command</replaceable>/</arg>
-      <arg rep="repeat"><option><replaceable>arguments</replaceable></option></arg>
-   </cmdsynopsis>
- </refsynopsisdiv>
+ &synopsis-command-apt-key;
 
  <refsect1><title>Description</title>
    <para>
 
 <refsect1><title>Commands</title>
    <variablelist>
-     <varlistentry><term>add <replaceable>filename</replaceable></term>
+     <varlistentry><term><option>add</option> <option>&synopsis-param-filename;</option></term>
      <listitem>
      <para>
-
-       Add a new key to the list of trusted keys.  The key is read
-       from <replaceable>filename</replaceable>, or standard input if
-       <replaceable>filename</replaceable> is <literal>-</literal>.
+       Add a new key to the list of trusted keys.
+       The key is read from the filename given with the parameter
+       &synopsis-param-filename; or if the filename is <literal>-</literal>
+       from standard input.
+     </para>
+     <para>
+     It is critical that keys added manually via <command>apt-key</command> are
+     verified to belong to the owner of the repositories they claim to be for
+     otherwise the &apt-secure; infrastructure is completely undermined.
      </para>
-
      </listitem>
      </varlistentry>
 
-     <varlistentry><term>del <replaceable>keyid</replaceable></term>
+     <varlistentry><term><option>del</option> <option>&synopsis-param-keyid;</option></term>
      <listitem>
      <para>
 
      </listitem>
      </varlistentry>
 
-     <varlistentry><term>export <replaceable>keyid</replaceable></term>
+     <varlistentry><term><option>export</option> <option>&synopsis-param-keyid;</option></term>
      <listitem>
      <para>
 
-        Output the key <replaceable>keyid</replaceable> to standard output.
+        Output the key &synopsis-param-keyid; to standard output.
 
      </para>
 
      </listitem>
      </varlistentry>
 
-     <varlistentry><term>exportall</term>
+     <varlistentry><term><option>exportall</option></term>
      <listitem>
      <para>
 
@@ -86,7 +89,7 @@
      </listitem>
      </varlistentry>
 
-     <varlistentry><term>list</term>
+     <varlistentry><term><option>list</option></term>
      <listitem>
      <para>
 
      </listitem>
      </varlistentry>
      
-        <varlistentry><term>finger</term>
+     <varlistentry><term><option>finger</option></term>
      <listitem>
      <para>
 
      </listitem>
      </varlistentry>
      
-        <varlistentry><term>adv</term>
+     <varlistentry><term><option>adv</option></term>
+     <listitem>
+     <para>
+     Pass advanced options to gpg. With <command>adv --recv-key</command> you
+     can e.g. download key from keyservers directly into the the trusted set of
+     keys. Note that there are <emphasis>no</emphasis> checks performed, so it is
+     easy to completely undermine the &apt-secure; infrastructure if used without
+     care.
+     </para>
+
+     </listitem>
+     </varlistentry>
+
+     <varlistentry><term><option>update</option></term>
      <listitem>
      <para>
 
-     Pass advanced options to gpg. With adv --recv-key you can download the 
-        public key.  
+       Update the local keyring with the archive keyring and remove from
+       the local keyring the archive keys which are no longer valid.
+       The archive keyring is shipped in the <literal>archive-keyring</literal> package of your
+       distribution, e.g. the &keyring-package; package in &keyring-distro;.
 
      </para>
 
      </listitem>
      </varlistentry>
-
-     <varlistentry><term>update</term>
+     
+     <varlistentry><term><option>net-update</option></term>
      <listitem>
      <para>
 
-       Update the local keyring with the keyring of Debian archive
-       keys and removes from the keyring the archive keys which are no
-       longer valid.
+       Perform an update working similarly to the <command>update</command> command above,
+       but get the archive keyring from a URI instead and validate it against a master key.
+
+       This requires an installed &wget; and an APT build configured to have
+       a server to fetch from and a master keyring to validate.
+
+       APT in Debian does not support this command, relying on
+       <command>update</command> instead, but Ubuntu's APT does.
 
      </para>
 
    </variablelist>
 </refsect1>
 
+ <refsect1><title>Options</title>
+<para>Note that options need to be defined before the commands described in the previous section.</para>
+   <variablelist>
+      <varlistentry><term><option>--keyring</option> <option>&synopsis-param-filename;</option></term>
+      <listitem><para>With this option it is possible to specify a particular keyring
+      file the command should operate on. The default is that a command is executed
+      on the <filename>trusted.gpg</filename> file as well as on all parts in the
+      <filename>trusted.gpg.d</filename> directory, though <filename>trusted.gpg</filename>
+      is the primary keyring which means that e.g. new keys are added to this one.
+      </para></listitem>
+      </varlistentry>
+   </variablelist>
+ </refsect1>
+
  <refsect1><title>Files</title>
    <variablelist>
-     <varlistentry><term><filename>/etc/apt/trusted.gpg</filename></term>
-     <listitem><para>Keyring of local trusted keys, new keys will be added here.</para></listitem>
-     </varlistentry>
+
+     &file-trustedgpg;
 
      <varlistentry><term><filename>/etc/apt/trustdb.gpg</filename></term>
      <listitem><para>Local trust database of archive keys.</para></listitem>
      </varlistentry>
 
-     <varlistentry><term><filename>/usr/share/keyrings/debian-archive-keyring.gpg</filename></term>
-     <listitem><para>Keyring of Debian archive trusted keys.</para></listitem>
+     <varlistentry><term>&keyring-filename;</term>
+     <listitem><para>Keyring of &keyring-distro; archive trusted keys.</para></listitem>
      </varlistentry>
 
-     <varlistentry><term><filename>/usr/share/keyrings/debian-archive-removed-keys.gpg</filename></term>
-     <listitem><para>Keyring of Debian archive removed trusted keys.</para></listitem>
+     <varlistentry><term>&keyring-removed-filename;</term>
+     <listitem><para>Keyring of &keyring-distro; archive removed trusted keys.</para></listitem>
      </varlistentry>
 
-
-
    </variablelist>
 
 </refsect1>