diff options
Diffstat (limited to 'parabolaiso/mkparabolaiso')
| -rwxr-xr-x | parabolaiso/mkparabolaiso | 128 |
1 files changed, 90 insertions, 38 deletions
diff --git a/parabolaiso/mkparabolaiso b/parabolaiso/mkparabolaiso index e4dcbfd..fa5f5ba 100755 --- a/parabolaiso/mkparabolaiso +++ b/parabolaiso/mkparabolaiso @@ -45,7 +45,6 @@ bootmodes=() airootfs_image_type="" airootfs_image_tool_options=() cert_list=() -sign_netboot_artifacts="" declare -A file_permissions=() efibootimg="" efiboot_files=() @@ -93,7 +92,8 @@ usage: ${app_name} [options] <profile_dir> Default: '${iso_label}' -P <publisher> Set the ISO publisher Default: '${iso_publisher}' - -c [cert ..] Provide certificates for codesigning of netboot artifacts + -c [cert ..] Provide certificates for codesigning of netboot artifacts as + well as the rootfs artifact. Multiple files are provided as quoted, space delimited list. The first file is considered as the signing certificate, the second as the key. @@ -253,14 +253,11 @@ _mkchecksum() { } # GPG sign the root file system image. -_mksignature() { - local airootfs_image_filename gpg_options=() - _msg_info "Signing ${arch} rootfs image..." - if [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" ]]; then - airootfs_image_filename="${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" - elif [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" ]]; then - airootfs_image_filename="${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" - fi +_mk_pgp_signature() { + local gpg_options=() + local airootfs_image_filename="${1}" + _msg_info "Signing rootfs image using GPG..." + rm -f -- "${airootfs_image_filename}.sig" # Add gpg sender option if the value is provided [[ -z "${gpg_sender}" ]] || gpg_options+=('--sender' "${gpg_sender}") @@ -385,6 +382,15 @@ _make_packages() { exec {PARABOLAISO_GNUPG_FD}<>"${work_dir}/pubkey.gpg" export PARABOLAISO_GNUPG_FD fi + if [[ -v cert_list[0] ]]; then + exec {PARABOLAISO_TLS_FD}<>"${cert_list[0]}" + export PARABOLAISO_TLS_FD + fi + if [[ -v cert_list[2] ]]; then + exec {PARABOLAISO_TLSCA_FD}<>"${cert_list[2]}" + export PARABOLAISO_TLSCA_FD + fi + # Unset TMPDIR to work around https://bugs.archlinux.org/task/70580 if [[ "${quiet}" = "y" ]]; then @@ -393,6 +399,14 @@ _make_packages() { env -u TMPDIR pacstrap -C "${work_dir}/${buildmode}.pacman.conf.${arch}" -c -G -M -- "${pacstrap_dir}" "${buildmode_pkg_list[@]}" "${buildmode_pkg_list_arch[@]}" fi + if [[ -v cert_list[0] ]]; then + exec {PARABOLAISO_TLS_FD}<&- + unset PARABOLAISO_TLS_FD + fi + if [[ -v cert_list[2] ]]; then + exec {PARABOLAISO_TLSCA_FD}<&- + unset PARABOLAISO_TLSCA_FD + fi if [[ -n "${gpg_key}" ]]; then exec {PARABOLAISO_GNUPG_FD}<&- unset PARABOLAISO_GNUPG_FD @@ -1015,8 +1029,18 @@ _validate_requirements_bootmode_uefi-x64.grub.eltorito() { _prepare_airootfs_image() { _run_once "_mkairootfs_${airootfs_image_type}" _mkchecksum + + if [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" ]]; then + airootfs_image_filename="${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" + elif [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" ]]; then + airootfs_image_filename="${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" + fi + if [[ -n "${gpg_key}" ]]; then - _mksignature + _mk_pgp_signature "${airootfs_image_filename}" + fi + if [[ -v cert_list ]]; then + _cms_sign_artifact "${airootfs_image_filename}" fi } @@ -1029,6 +1053,32 @@ _export_netboot_artifacts() { du -hs -- "${out_dir}/${install_dir}" } +_cms_sign_artifact() { + local artifact="${1}" + local openssl_flags=( + "-sign" + "-binary" + "-nocerts" + "-noattr" + "-outform" "DER" "-out" "${artifact}.cms.sig" + "-in" "${artifact}" + "-signer" "${cert_list[0]}" + "-inkey" "${cert_list[1]}" + ) + + if (( ${#cert_list[@]} > 2 )); then + openssl_flags+=("-certfile" "${cert_list[2]}") + fi + + _msg_info "Signing ${artifact} image using openssl cms..." + + rm -f -- "${artifact}.cms.sig" + + openssl cms "${openssl_flags[@]}" + + _msg_info "Done!" +} + # sign build artifacts for netboot _sign_netboot_artifacts() { local _file _dir @@ -1181,6 +1231,26 @@ _validate_common_requirements_buildmode_iso_netboot() { fi fi + if [[ -v cert_list ]]; then + # Check if the certificate files exist + for _cert in "${cert_list[@]}"; do + if [[ ! -e "${_cert}" ]]; then + (( validation_error=validation_error+1 )) + _msg_error "File '${_cert}' does not exist." 0 + fi + done + # Check if there are at least three certificate files to sign netboot and rootfs. + if (( ${#cert_list[@]} < 2 )); then + (( validation_error=validation_error+1 )) + _msg_error "Two certificates are required for codesigning netboot artifacts, but '${cert_list[*]}' is provided." 0 + fi + + if ! command -v openssl &> /dev/null; then + (( validation_error=validation_error+1 )) + _msg_error "Validating build mode '${_buildmode}': openssl is not available on this host. Install 'openssl'!" 0 + fi + fi + # Check if the specified airootfs_image_type is supported if typeset -f "_mkairootfs_${airootfs_image_type}" &> /dev/null; then if typeset -f "_validate_requirements_airootfs_image_type_${airootfs_image_type}" &> /dev/null; then @@ -1222,31 +1292,8 @@ _validate_requirements_buildmode_iso() { } _validate_requirements_buildmode_netboot() { - local _override_cert_list=() - - if [[ "${sign_netboot_artifacts}" == "y" ]]; then - # Check if the certificate files exist - for _cert in "${cert_list[@]}"; do - if [[ -e "${_cert}" ]]; then - _override_cert_list+=("$(realpath -- "${_cert}")") - else - (( validation_error=validation_error+1 )) - _msg_error "File '${_cert}' does not exist." 0 - fi - done - cert_list=("${_override_cert_list[@]}") - # Check if there are at least two certificate files - if (( ${#cert_list[@]} < 2 )); then - (( validation_error=validation_error+1 )) - _msg_error "Two certificates are required for codesigning, but '${cert_list[*]}' is provided." 0 - fi - fi _validate_common_requirements_buildmode_iso_netboot _validate_common_requirements_buildmode_all - if ! command -v openssl &> /dev/null; then - (( validation_error=validation_error+1 )) - _msg_error "Validating build mode '${_buildmode}': openssl is not available on this host. Install 'openssl'!" 0 - fi } # SYSLINUX El Torito @@ -1624,10 +1671,7 @@ _set_overrides() { fi [[ ! -v override_gpg_key ]] || gpg_key="$override_gpg_key" [[ ! -v override_gpg_sender ]] || gpg_sender="$override_gpg_sender" - if [[ -v override_cert_list ]]; then - sign_netboot_artifacts="y" - fi - [[ ! -v override_cert_list ]] || cert_list+=("${override_cert_list[@]}") + [[ ! -v override_cert_list ]] || mapfile -t cert_list < <(realpath -- "${override_cert_list[@]}") if [[ -v override_quiet ]]; then quiet="$override_quiet" elif [[ -z "$quiet" ]]; then @@ -1785,8 +1829,16 @@ _build_buildmode_netboot() { local run_once_mode="${buildmode}" _build_iso_base + + if [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" ]]; then + airootfs_image_filename="${isofs_dir}/${install_dir}/${arch}/airootfs.sfs" + elif [[ -e "${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" ]]; then + airootfs_image_filename="${isofs_dir}/${install_dir}/${arch}/airootfs.erofs" + fi + if [[ -v cert_list ]]; then _run_once _sign_netboot_artifacts + _cms_sign_artifact "${airootfs_image_filename}" fi _run_once _export_netboot_artifacts } |