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  • Committer: Teddy Hogeborn
  • Date: 2019-07-27 10:11:45 UTC
  • mto: This revision was merged to the branch mainline in revision 384.
  • Revision ID: teddy@recompile.se-20190727101145-jnpbpf8220gldbcd
Add dracut(8) support

Add support for the dracut(8) system for generating initramfs image
files; dracut is an alternative to the "initramfs-tools" package.

* .bzrignore (dracut-module/password-agent): Ignore new binary file.
* dracut-module: New directory for the dracut module.
* INSTALL (Prerequisites/Libraries/Mandos Client): Add dracut as an
                                                   alternative to
                                                   initramfs-tools,
                                                   and also add GLib.
* Makefile (DRACUTMODULE, GLIB_CFLAGS, GLIB_LIBS): New.
  (CPROGS): Add "dracut-module/password-agent".
  (DOCS): Add "dracut-module/password-agent.8mandos".
  (dracut-module/password-agent.8mandos): New.
  (dracut-module/password-agent.8mandos.xhtml): - '' -
  (dracut-module/password-agent): - '' -
  (check): Add command to run tests of password-agent(8mandos).
  (install-client-nokey): Also install the dracut module directory,
                          its files, and the password-agent(8mandos)
                          manual page.
  (install-client): To update the initramfs image file, run
                    update-initramfs or dracut depending on what is
                    installed.
  (uninstall-client): - '' - and also uninstall the the files in the
                      dracut module directory, that directory itself,
                      and the password-agent(8mandos) manual page.
* debian/control (Build-Depends): Add "libglib2.0-dev (>=2.40)".
  (Package: mandos-client/Depends): Add "dracut (>= 044+241-3)" as an
                                    alternative dependency to
                                    initramfs-tools.
  (Package: mandos-client/Conflicts): New; set to
                                      "dracut-config-generic".
  (debian/mandos-client.README.Debian): Document alternative commands
                                        to update the initramfs image
                                        for when dracut is used.
* debian/mandos-client.postinst (update_initramfs): Use alternative
                                                    commands to update
                                                    the initramfs
                                                    image for when
                                                    dracut is used.
* debian/tests/control (password-agent, password-agent-suid): Add two
                                                              new tests.
* dracut-module/ask-password-mandos.path: New.
* dracut-module/ask-password-mandos.service: - '' -
* dracut-module/cmdline-mandos.sh: - '' -
* dracut-module/module-setup.sh: - '' -
* dracut-module/password-agent.c: - '' -
* dracut-module/password-agent.xml: - '' -
* initramfs-unpack: Use the dracut "skipcpio" command, if available.
                    Also be more flexible and try hard to detect where
                    compressed data starts.
* plugins.d/mandos-client.xml (SECURITY): Be more precise that the
                                          mandos-client binary might
                                          not always be setuid, but
                                          that the program assumes
                                          that it has been started
                                          that way.
* plugins.d/password-prompt.c: Add new "--prompt" option.
  (conflict_detection): First try to detect the new PID file of
                        plymouth.
  (main): Define and use new "prompt" variable.
* plugins.d/password-prompt.xml (SYNOPSIS): Show new --prompt option.
  (DESCRIPTION): Describe new behavior of looking for plymouth PID
                 file.
  (OPTIONS): Document new "--prompt" option.
  (ENVIRONMENT): Clarify that the CRYPTTAB_SOURCE and CRYPTTAB_NAME
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the CRYPTTAB_SOURCE and
                 CRYPTTAB_NAME comes from, since this can now be
                 either initramfs-tools or dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference, and add commas
              to separate the other references.
* plugins.d/plymouth.c: Add new "--prompt" and "--debug" options.
  (debug): New global flag.
  (fprintf_plus): New function, used for debug output.
  (exec_and_wait): Add extra "const" to "argv" argument.
  (main): Define and use new "prompt" variable.  Add debug output.
  (main/options, main/parse_opt): New; used to parse options.
* plugins.d/plymouth.xml (SYNOPSIS): Show new options.
  (OPTIONS): Document new options.
  (ENVIRONMENT): Clarify that the cryptsource and crypttarget
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the cryptsource and crypttarget
                 comes from, since this can now be either
                 initramfs-tools or dracut.
  (EXAMPLE): Add an example using an option.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/splashy.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/usplash.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY COMMANDNAME "password-agent">
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<!ENTITY TIMESTAMP "2021-02-03">
 
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<!ENTITY TIMESTAMP "2019-07-24">
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<!ENTITY % common SYSTEM "../common.ent">
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%common;
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]>
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    </authorgroup>
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    <copyright>
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      <year>2019</year>
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      <year>2020</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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      be a <citerefentry><refentrytitle>systemd</refentrytitle>
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      <manvolnum>1</manvolnum></citerefentry> <quote>Password
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      Agent</quote> (See <ulink
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      url="https://systemd.io/PASSWORD_AGENTS/">Password
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      Agents</ulink>).  The aim of this program is therefore to
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      acquire and then send a password to some other program which
 
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      url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents/"
 
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      >Password Agents</ulink>).  The aim of this program is therefore
 
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      to acquire and then send a password to some other program which
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      will use the password to unlock the encrypted root disk.
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    </para>
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    <para>
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            Specify a different agent directory.  The default is
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            <quote><filename class="directory"
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            >/run/systemd/ask-password</filename ></quote> as per the
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            <ulink url="https://systemd.io/PASSWORD_AGENTS/">Password
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            Agents</ulink> specification.
 
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            <ulink
 
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            url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents/"
 
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            >Password Agents</ulink> specification.
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          </para>
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        </listitem>
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      </varlistentry>
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      responsible for getting a password from the Mandos client
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      program itself, and to send that password to whatever is
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      currently asking for a password using the systemd <ulink
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      url="https://systemd.io/PASSWORD_AGENTS/">Password
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      Agents</ulink> mechanism.
 
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      url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents/"
 
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      >Password Agents</ulink> mechanism.
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    </para>
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    <para>To accomplish this, &COMMANDNAME; runs the
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    <command>mandos-client</command> program (which is the actual
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    password is acquired from the
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    <replaceable>MANDOS_CLIENT</replaceable> program, sends that
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    password (as per the <ulink
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    url="https://systemd.io/PASSWORD_AGENTS/">Password Agents</ulink>
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    specification) to all currently unanswered password questions.
 
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    url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents/"
 
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    >Password Agents</ulink> specification) to all currently
 
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    unanswered password questions.
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    </para>
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    <para>
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      This program should be started (normally as a systemd service,
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            <para>
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              The default directory to watch for password questions as
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              per the <ulink
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              url="https://systemd.io/PASSWORD_AGENTS/">Password
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              Agents</ulink> specification; can be changed by the
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              <option>--agent-directory</option> option.
 
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              url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents/"
 
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              >Password Agents</ulink> specification; can be changed
 
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              by the <option>--agent-directory</option> option.
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            </para>
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          </listitem>
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        </varlistentry>
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      <para>
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<!-- do not wrap this line -->
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<userinput>&COMMANDNAME; -- /lib/mandos/plugins.d/mandos-client --pubkey=/etc/mandos/keys/pubkey.txt --seckey=/etc/mandos/keys/seckey.txt --tls-pubkey=/etc/mandos/keys/tls-pubkey.pem --tls-privkey=/etc/mandos/keys/tls-privkey.pem</userinput>
 
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<userinput>&COMMANDNAME; -- /lib/mandos/mandos-client --pubkey=/etc/mandos/keys/pubkey.txt --seckey=/etc/mandos/keys/seckey.txt --tls-pubkey=/etc/mandos/keys/tls-pubkey.pem --tls-privkey=/etc/mandos/keys/tls-privkey.pem</userinput>
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      </para>
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    </informalexample>
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    <variablelist>
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      <varlistentry>
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        <term>
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          <ulink url="https://systemd.io/PASSWORD_AGENTS/">Password
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          Agents</ulink>
 
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          <ulink
 
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              url="https://www.freedesktop.org/wiki/Software/systemd/PasswordAgents/"
 
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              >Password Agents</ulink>
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        </term>
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        <listitem>
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          <para>