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  • Committer: Teddy Hogeborn
  • Date: 2014-03-06 02:26:04 UTC
  • mto: (237.7.272 trunk)
  • mto: This revision was merged to the branch mainline in revision 311.
  • Revision ID: teddy@recompile.se-20140306022604-4uc43taz25cflgi3
Bug fix: Free all memory and give better messages when memory is full.

* plugin-runner.c (add_to_char_array): Bug fix: If realloc fails, do
                                       not change old array pointer.
  (add_environment): Bug fix: If realloc fails, do not change old
                     environment pointer.  Also rename "e" to "envdef"
                     for clarity.
  (main): Bug fix: If realloc fails, do not change old pointers.  Also
          wrap "#pragma GCC" with "#ifdef ___GNUC___".
* plugins.d/mandos-client.c (incbuffer): Bug fix: if realloc fails,
                                         free old buffer.
  (run_network_hooks): Moved variables "directory" and "ret" to their
                       innermost possible scope.
  (take_down_interface): Moved variables "sd", "ret_errno", and
                         "ret_setflags" to their innermost possible
                         scope.
  (main): Removed variable "interfaces_hooks_size".  Also, if argz_add
          fails when adding all found interfaces, the error message
          will now be correct.  Also print error message if, after
          having taken up an interface, argz_add fails to add
          interface to list of interfaces to be taken down.
* plugins.d/mandos-client.xml (OPTIONS): Explain better what "none"
                                         means as argument to
                                         "--interface" by negating
                                         sense.
* plugins.d/password-prompt.c (fprintf_plus): Removed (unused).

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plugins.d/mandos-client.xml
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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 "mandos-client">
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<!ENTITY TIMESTAMP "2015-07-20">
 
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<!ENTITY TIMESTAMP "2014-03-05">
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<!ENTITY % common SYSTEM "../common.ent">
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%common;
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]>
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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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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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      </arg>
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      <sbr/>
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      <arg>
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        <option>--dh-params <replaceable>FILE</replaceable></option>
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      </arg>
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      <sbr/>
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      <arg>
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        <option>--delay <replaceable>SECONDS</replaceable></option>
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      </arg>
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      <sbr/>
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        <listitem>
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          <para>
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            Sets the number of bits to use for the prime number in the
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            TLS Diffie-Hellman key exchange.  The default value is
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            selected automatically based on the OpenPGP key.  Note
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            that if the <option>--dh-params</option> option is used,
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            the values from that file will be used instead.
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          </para>
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        </listitem>
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      </varlistentry>
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      <varlistentry>
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        <term><option>--dh-params=<replaceable
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        >FILE</replaceable></option></term>
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        <listitem>
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          <para>
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            Specifies a PEM-encoded PKCS#3 file to read the parameters
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            needed by the TLS Diffie-Hellman key exchange from.  If
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            this option is not given, or if the file for some reason
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            could not be used, the parameters will be generated on
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            startup, which will take some time and processing power.
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            Those using servers running under time, power or processor
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            constraints may want to generate such a file in advance
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            and use this option.
 
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            TLS Diffie-Hellman key exchange.  Default is 1024.
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          </para>
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        </listitem>
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      </varlistentry>
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  <refsect1 id="environment">
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    <title>ENVIRONMENT</title>
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    <variablelist>
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      <varlistentry>
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        <term><envar>MANDOSPLUGINHELPERDIR</envar></term>
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        <listitem>
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          <para>
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            This environment variable will be assumed to contain the
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            directory containing any helper executables.  The use and
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            nature of these helper executables, if any, is
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            purposefully not documented.
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        </para>
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        </listitem>
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      </varlistentry>
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    </variablelist>
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    <para>
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      This program does not use any other environment variables, not
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      even the ones provided by <citerefentry><refentrytitle
 
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      This program does not use any environment variables, not even
 
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      the ones provided by <citerefentry><refentrytitle
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      >cryptsetup</refentrytitle><manvolnum>8</manvolnum>
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    </citerefentry>.
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    </para>
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    <para>
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      It will also help if the checker program on the server is
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      configured to request something from the client which can not be
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      spoofed by someone else on the network, like SSH server key
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      fingerprints, and unlike unencrypted <acronym>ICMP</acronym>
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      echo (<quote>ping</quote>) replies.
 
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      spoofed by someone else on the network, unlike unencrypted
 
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      <acronym>ICMP</acronym> echo (<quote>ping</quote>) replies.
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    </para>
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    <para>
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      <emphasis>Note</emphasis>: This makes it completely insecure to