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  • Committer: Teddy Hogeborn
  • Date: 2015-07-01 20:01:26 UTC
  • mto: (237.7.307 trunk)
  • mto: This revision was merged to the branch mainline in revision 325.
  • Revision ID: teddy@recompile.se-20150701200126-qb3f6c3jcas2f4og
mandos-client: Try to start a plugin to add and remove a local route.

* debian/mandos-client.README.Debian: Add setting of environment
                                      variable MANDOSPLUGINHELPERDIR
                                      to command line testing
                                      mandos-client.
* mandos-client.c (raise_privileges): Moved to top of file.
                  (raise_privileges_permanently): - '' -
                  (lower_privileges): - '' -
                  (lower_privileges_permanently): - '' -
  (add_remove_local_route, add_local_route, remove_local_route): New.
  (start_mandos_communication): Set SOCK_CLOEXEC flag on socket.  Run
                                the above functions to add (and
                                remove) local route, if the conditions
                                indicates it could help.
  (run_network_hooks): Use O_DIRECTORY, O_PATH, and O_CLOEXEC flags
                       when opening network hook directory. Do
                       TEMP_FAILURE_RETRY around opening of /dev/null
                       and network hook executables.  Move redirecting
                       of stdout and stderr to as late as possible
                       before fexecve().
  (main): Use O_DIRECTORY and O_PATH when opening temporary directory.
* plugins.d/mandos-client.xml (ENVIRONMENT): Document usage of the
                                             MANDOSPLUGINHELPERDIR
                                             environment variable.

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    <emphasis>not</emphasis> run in debug mode.
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  </para>
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  <para id="priority_compat">
 
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    GnuTLS priority string for the <acronym>TLS</acronym> handshake.
 
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    The default is <quote><literal
 
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    >SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:+SIGN-RSA-SHA224:</literal>
 
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    <literal>+SIGN-RSA-RMD160</literal></quote>.
 
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    See <citerefentry><refentrytitle
 
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    >gnutls_priority_init</refentrytitle>
 
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    <manvolnum>3</manvolnum></citerefentry> for the syntax.
 
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    <emphasis>Warning</emphasis>: changing this may make the
 
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    <acronym>TLS</acronym> handshake fail, making server-client
 
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    communication impossible.
 
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  </para>
 
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  <para id="priority">
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    GnuTLS priority string for the <acronym>TLS</acronym> handshake.
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    The default is
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    <!-- &#x200b; is Unicode ZERO WIDTH SPACE; allows line breaks -->
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    <quote><literal>SECURE128&#x200b;:!CTYPE-X.509&#x200b;:+CTYPE-RAWPK&#x200b;:!RSA&#x200b;:!VERS-ALL&#x200b;:+VERS-TLS1.3&#x200b;:%PROFILE_ULTRA</literal></quote>
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    when using raw public keys in TLS, and
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    <quote><literal>SECURE256&#x200b;:!CTYPE-X.509&#x200b;:+CTYPE-OPENPGP&#x200b;:!RSA&#x200b;:+SIGN-DSA-SHA256</literal></quote>
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    when using OpenPGP keys in TLS,.  See <citerefentry><refentrytitle
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    >gnutls_priority_init</refentrytitle>
 
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    The default is <quote><literal
 
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    >SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP</literal></quote>.  See
 
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    <citerefentry><refentrytitle >gnutls_priority_init</refentrytitle>
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    <manvolnum>3</manvolnum></citerefentry> for the syntax.
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    <emphasis>Warning</emphasis>: changing this may make the
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    <acronym>TLS</acronym> handshake fail, making server-client
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    communication impossible.  Changing this option may also make the
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    network traffic decryptable by an attacker.
 
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    communication impossible.
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  </para>
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  <para id="servicename">