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  • Committer: Teddy Hogeborn
  • Date: 2016-03-19 04:21:00 UTC
  • Revision ID: teddy@recompile.se-20160319042100-i581cfv65r934dnl
Client: Make plugin helper override directory mode u=rwx,go=

Even though it currently is not used, a local administrator might use
setuid (or setcap) executables as plugin helpers.  Thus, the plugin
helper override directory (/etc/mandos/plugin-helpers) must be
secured, just as the plugin override directory (/etc/mandos/plugins.d)
is.

* Makefile (install-client-nokey): Install plugin-helper directory as
                                   mode u=rwx.
* debian/mandos-client.lintian-overrides: Do not warn about
                               permissions on plugin helper directory.
* debian/mandos-client.postinst (configure): Fix permissions on plugin
  helper local override directory (/etc/mandos/plugin-helpers), but
  only if not listed by "dpkg-statoverride".

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Lines of Context:
debian/mandos-client.postinst
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        create_key "$@"
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        create_dh_params "$@" || :
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        update_initramfs "$@"
 
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        if dpkg --compare-versions "$2" lt-nl "1.7.7-1"; then
 
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            PLUGINHELPERDIR=/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)/mandos/plugin-helpers
 
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            if ! dpkg-statoverride --list "$PLUGINHELPERDIR" \
 
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                 >/dev/null 2>&1; then
 
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                chmod u=rwx,go= -- "$PLUGINHELPERDIR"
 
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            fi
 
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            if ! dpkg-statoverride --list /etc/mandos/plugin-helpers \
 
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                 >/dev/null 2>&1; then
 
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                chmod u=rwx,go= -- /etc/mandos/plugin-helpers
 
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            fi
 
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        fi
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        ;;
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    abort-upgrade|abort-deconfigure|abort-remove)
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        ;;