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  • Committer: Teddy Hogeborn
  • Date: 2016-03-17 20:40:55 UTC
  • Revision ID: teddy@recompile.se-20160317204055-bhsh5xsidq7w5cxu
Client: Fix plymouth agent; broken since 1.7.2.

Fix an very old memory bug in the plymouth agent (which has been
present since its apperance in version 1.2), but which was only
recently detected at run time due to the new -fsanitize=address
compile- time flag, which has been used since version 1.7.2.  This
detection of a memory access violation causes the program to abort,
making the Plymouth graphical boot system unable to accept interactive
input of passwords when using the Mandos client.

* plugins.d/plymouth.c (exec_and_wait): Fix memory allocation bug when
  allocating new_argv.  Also tolerate a zero-length argv.

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plugins.d/password-prompt.xml
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<?xml version="1.0" encoding="UTF-8"?>
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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 VERSION "1.0">
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<!ENTITY COMMANDNAME "password-prompt">
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<!ENTITY TIMESTAMP "2008-09-06">
 
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<!ENTITY TIMESTAMP "2016-03-05">
 
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<!ENTITY % common SYSTEM "../common.ent">
 
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%common;
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]>
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
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    <title>Mandos Manual</title>
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    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
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    <productname>Mandos</productname>
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    <productnumber>&VERSION;</productnumber>
 
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    <productnumber>&version;</productnumber>
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    <date>&TIMESTAMP;</date>
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    <authorgroup>
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      <author>
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        <firstname>Björn</firstname>
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        <surname>Påhlsson</surname>
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        <address>
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          <email>belorn@fukt.bsnet.se</email>
 
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          <email>belorn@recompile.se</email>
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        </address>
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      </author>
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      <author>
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        <firstname>Teddy</firstname>
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        <surname>Hogeborn</surname>
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        <address>
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          <email>teddy@fukt.bsnet.se</email>
 
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          <email>teddy@recompile.se</email>
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        </address>
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      </author>
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    </authorgroup>
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    <copyright>
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      <year>2008</year>
 
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      <year>2009</year>
 
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      <year>2010</year>
 
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      <year>2011</year>
 
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      <year>2012</year>
 
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      <year>2013</year>
 
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      <year>2014</year>
 
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      <year>2015</year>
 
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      <year>2016</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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    <title>DESCRIPTION</title>
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    <para>
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      All <command>&COMMANDNAME;</command> does is prompt for a
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      password and output any given password to standard output.  This
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      is not very useful on its own.  This program is really meant to
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      run as a plugin in the <application>Mandos</application>
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      client-side system, where it is used as a fallback and
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      alternative to retrieving passwords from a <application
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      >Mandos</application> server.
 
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      password and output any given password to standard output.
 
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    </para>
 
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    <para>
 
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      This program is not very useful on its own.  This program is
 
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      really meant to run as a plugin in the <application
 
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      >Mandos</application> client-side system, where it is used as a
 
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      fallback and alternative to retrieving passwords from a
 
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      <application >Mandos</application> server.
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    </para>
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    <para>
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      This program is little more than a <citerefentry><refentrytitle
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    <title>ENVIRONMENT</title>
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    <variablelist>
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      <varlistentry>
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        <term><envar>cryptsource</envar></term>
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        <term><envar>crypttarget</envar></term>
 
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        <term><envar>CRYPTTAB_SOURCE</envar></term>
 
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        <term><envar>CRYPTTAB_NAME</envar></term>
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        <listitem>
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          <para>
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            If set, these environment variables will be assumed to
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  <refsect1 id="bugs">
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    <title>BUGS</title>
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    <para>
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      None are known at this time.
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    </para>
 
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    <xi:include href="../bugs.xml"/>
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  </refsect1>
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  <refsect1 id="example">
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  <refsect1 id="see_also">
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    <title>SEE ALSO</title>
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    <para>
 
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      <citerefentry><refentrytitle>intro</refentrytitle>
 
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      <manvolnum>8mandos</manvolnum></citerefentry>
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      <citerefentry><refentrytitle>crypttab</refentrytitle>
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      <manvolnum>5</manvolnum></citerefentry>
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      <citerefentry><refentrytitle>mandos-client</refentrytitle>