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  • Committer: Teddy Hogeborn
  • Date: 2016-06-03 17:27:03 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 343.
  • Revision ID: teddy@recompile.se-20160603172703-mc6tjor6rhq4xy74
mandos: Bug fix: Do multiprocessing cleanup correctly on exit

* mandos (main): Save module "multiprocessing" and open file "wnull"
                 as scope variables accessible by function cleanup(),
                 since the module and global variable may not be
                 accessible when the cleanup() function is run as
                 scheduled by atexit().

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debian/mandos-client.postinst
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# Update the initial RAM file system image
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update_initramfs()
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{
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    if [ -x /usr/sbin/update-initramfs ]; then
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        update-initramfs -u -k all
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    fi
 
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    update-initramfs -u -k all
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    if dpkg --compare-versions "$2" lt-nl "1.0.10-1"; then
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        # Make old initrd.img files unreadable too, in case they were
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        -a -r /etc/keys/mandos/seckey.txt ]; then
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        return 0
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    fi
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    if [ -x /usr/sbin/mandos-keygen ]; then
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        mandos-keygen
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    fi
 
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    mandos-keygen
 
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}
 
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create_dh_params(){
 
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    if [ -r /etc/keys/mandos/dhparams.pem ]; then
 
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        return 0
 
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    fi
 
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    # Create a Diffe-Hellman parameters file
 
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    DHFILE="`mktemp -t mandos-client-dh-parameters.XXXXXXXXXX.pem`"
 
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    # First try certtool from GnuTLS
 
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    if ! certtool --generate-dh-params --sec-param high \
 
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         --outfile "$DHFILE"; then
 
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        # Otherwise try OpenSSL
 
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        if ! openssl genpkey -genparam -algorithm DH -out "$DHFILE" \
 
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             -pkeyopt dh_paramgen_prime_len:3072; then
 
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            # None of the commands succeded; give up
 
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            rm -- "$DHFILE"
 
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            return 1
 
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        fi
 
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    fi
 
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    sed --in-place --expression='0,/^-----BEGIN DH PARAMETERS-----$/d' \
 
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        "$DHFILE"
 
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    sed --in-place --expression='1i-----BEGIN DH PARAMETERS-----' \
 
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            "$DHFILE"
 
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    cp --archive "$DHFILE" /etc/keys/mandos/dhparams.pem
 
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    rm -- "$DHFILE"
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}
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case "$1" in
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    configure)
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        add_mandos_user "$@"
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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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        ;;