/mandos/release

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Viewing changes to debian/mandos-client.postinst

  • Committer: teddy at recompile
  • Date: 2020-07-04 08:59:37 UTC
  • mto: This revision was merged to the branch mainline in revision 400.
  • Revision ID: teddy@recompile.se-20200704085937-r495zb32nfng9lnt
In initramfs-tools boots, only use setsid when available

* initramfs-tools-script: If available, use setsid to start
  mandos-to-cryptroot-unlock.

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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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    update-initramfs -u -k all
 
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    if command -v update-initramfs >/dev/null; then
 
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        update-initramfs -k all -u
 
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    elif command -v dracut >/dev/null; then
 
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        dracut_version="`dpkg-query --showformat='${Version}' --show dracut`"
 
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        if dpkg --compare-versions "$dracut_version" lt 043-1 \
 
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                && bash -c '. /etc/dracut.conf; . /etc/dracut.conf.d/*; [ "$hostonly" != yes ]'; then
 
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            echo 'Dracut is not configured to use hostonly mode!' >&2
 
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            return 1
 
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        fi
 
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        # Logic taken from dracut.postinst
 
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        for kernel in /boot/vmlinu[xz]-*; do
 
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            kversion="${kernel#/boot/vmlinu[xz]-}"
 
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            # Dracut preserves old permissions of initramfs image
 
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            # files, so we adjust permissions before creating new
 
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            # initramfs image containing secret keys.
 
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            chmod go-r /boot/initrd.img-"$kversion"
 
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            if [ "$kversion" != "*" ]; then
 
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                /etc/kernel/postinst.d/dracut "$kversion"
 
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            fi
 
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        done
 
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    fi
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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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             --load-privkey=/etc/keys/mandos/tls-privkey.pem \
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             --outfile=/dev/null --pubkey-info --no-text \
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             2>/dev/null; then
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            shred --remove -- /etc/keys/mandos/tls-privkey.pem
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            rm -- /etc/keys/mandos/tls-pubkey.pem
 
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            shred --remove -- /etc/keys/mandos/tls-privkey.pem \
 
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                  2>/dev/null || :
 
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            rm --force -- /etc/keys/mandos/tls-pubkey.pem
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        fi
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    fi
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        local umask=$(umask)
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        umask 077
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        cp --archive "$TLS_PRIVKEYTMP" /etc/keys/mandos/tls-privkey.pem
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        shred --remove -- "$TLS_PRIVKEYTMP"
 
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        shred --remove -- "$TLS_PRIVKEYTMP" 2>/dev/null || :
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        # First try certtool from GnuTLS
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        if ! certtool --password='' \
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        db_go
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        db_stop
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    else
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        shred --remove -- "$TLS_PRIVKEYTMP"
 
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        shred --remove -- "$TLS_PRIVKEYTMP" 2>/dev/null || :
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    fi
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}
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