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From: Michael Olbrich <m.olbrich@pengutronix.de>
To: ptxdist@pengutronix.de
Cc: Bastian Krause <bst@pengutronix.de>
Subject: Re: [ptxdist] [PATCH v3 2/6] package templates: add code-signing-provider template
Date: Fri, 19 Jun 2020 08:28:34 +0200	[thread overview]
Message-ID: <20200619062834.GK9312@pengutronix.de> (raw)
In-Reply-To: <20200617143125.23999-3-bst@pengutronix.de>

On Wed, Jun 17, 2020 at 04:31:21PM +0200, Bastian Krause wrote:
> A ptxdist code signing provider is a package which selects the required
> host tools needed for the code signing helpers to work. A shell script
> is needed to define roles, set PKCS#11 URIs and import keys if SoftHSM
> is used. In order to simplify its creation provide a template along with
> an example script.
> 
> Signed-off-by: Bastian Krause <bst@pengutronix.de>
> ---
> Changes since v2:
> - rename srk object name for consistency reasons
> - ask user about HSM type
> - split HSM/SoftHSM ptxdist-set-keys.sh cases into separate files
> - introduce wizard.sh to generate ptxdist-set-keys.sh HSM case specific
> - set dependencies HSM case specific
> - introduce pre rule template to extend CODE_SIGNING_ENV HSM case
>   specific
> ---
>  .../ptxdist-set-keys-hsm.sh                   | 42 ++++++++++++++
>  .../ptxdist-set-keys-softhsm.sh               | 58 +++++++++++++++++++
>  .../templates/code-signing-provider/wizard.sh | 10 ++++
>  .../template-code-signing-provider-choice-in  |  5 ++
>  .../template-code-signing-provider-in         | 14 +++++
>  .../template-code-signing-provider-make       | 41 +++++++++++++
>  .../template-code-signing-provider-pre-make   | 15 +++++
>  scripts/lib/ptxd_lib_template.sh              | 31 ++++++++++
>  8 files changed, 216 insertions(+)
>  create mode 100755 rules/templates/code-signing-provider/ptxdist-set-keys-hsm.sh
>  create mode 100755 rules/templates/code-signing-provider/ptxdist-set-keys-softhsm.sh
>  create mode 100644 rules/templates/code-signing-provider/wizard.sh
>  create mode 100644 rules/templates/template-code-signing-provider-choice-in
>  create mode 100644 rules/templates/template-code-signing-provider-in
>  create mode 100644 rules/templates/template-code-signing-provider-make
>  create mode 100644 rules/templates/template-code-signing-provider-pre-make
> 
> diff --git a/rules/templates/code-signing-provider/ptxdist-set-keys-hsm.sh b/rules/templates/code-signing-provider/ptxdist-set-keys-hsm.sh
> new file mode 100755
> index 000000000..6bbe830f2
> --- /dev/null
> +++ b/rules/templates/code-signing-provider/ptxdist-set-keys-hsm.sh
> @@ -0,0 +1,42 @@
> +#!/bin/bash
> +
> +set -e
> +
> +set_fit_keys() {
> +	local r="image-kernel-fit"
> +	cs_define_role "${r}"
> +
> +	# HSM use case
> +	cs_set_uri "${r}" "pkcs11:token=foo;object=kernel-fit"
> +}
> +
> +set_rauc_keys() {
> +	local r="update"
> +	cs_define_role "${r}"
> +	cs_set_uri "${r}" "pkcs11:token=foo;object=rauc"
> +	cs_append_ca_from_uri "${r}"
> +}
> +
> +set_imx_habv4_keys() {
> +	# HSM use case, assuming it contains only 1st CSF/IMG key
> +	for i in 1 2 3 4; do
> +		r="imx-habv4-srk${i}"
> +		cs_define_role "${r}"
> +		cs_set_uri "${r}" "pkcs11:token=foo;object=srk${i}"
> +		cs_append_ca_from_uri "${r}"
> +	done
> +
> +	r="imx-habv4-csf1"
> +	cs_define_role ${r}
> +	cs_set_uri "${r}" "pkcs11:token=foo;object=csf1"
> +
> +	r="imx-habv4-img1"
> +	cs_define_role ${r}
> +	cs_set_uri "${r}" "pkcs11:token=foo;object=img1"
> +}
> +
> +
> +# HSM use case
> +set_fit_keys
> +set_rauc_keys
> +set_imx_habv4_keys
> diff --git a/rules/templates/code-signing-provider/ptxdist-set-keys-softhsm.sh b/rules/templates/code-signing-provider/ptxdist-set-keys-softhsm.sh
> new file mode 100755
> index 000000000..0836d61d1
> --- /dev/null
> +++ b/rules/templates/code-signing-provider/ptxdist-set-keys-softhsm.sh
> @@ -0,0 +1,58 @@
> +#!/bin/bash
> +
> +set -e
> +
> +import_fit_keys() {
> +	local fit_cert_dir=fit
> +	local r="image-kernel-fit"
> +	cs_define_role "${r}"
> +
> +	cs_import_cert_from_der "${r}" "${fit_cert_dir}/fit-4096-development.crt"
> +	cs_import_pubkey_from_pem "${r}" "${fit_cert_dir}/fit-4096-development.key"
> +	cs_import_privkey_from_pem "${r}" "${fit_cert_dir}/fit-4096-development.key"
> +}
> +
> +import_rauc_keys() {
> +	local rauc_cert_dir=rauc
> +	local r="update"
> +	cs_define_role "${r}"
> +
> +	# SoftHSM use case
> +	cs_import_cert_from_pem "${r}" "${rauc_cert_dir}/rauc.cert.pem"
> +	cs_import_pubkey_from_pem "${r}" "${rauc_cert_dir}/rauc.key.pem"
> +	cs_import_privkey_from_pem "${r}" "${rauc_cert_dir}/rauc.key.pem"
> +
> +	cs_append_ca_from_uri "${r}"
> +}
> +
> +import_imx_habv4_keys() {
> +	local imx_habv4_key_dir="habv4"
> +	local crts="${imx_habv4_key_dir}/crts"
> +	local keys="${imx_habv4_key_dir}/keys"
> +	local OPENSSL_KEYPASS="${imx_habv4_key_dir}/keys/key_pass.txt"
> +
> +	for i in 1 2 3 4; do
> +		r="imx-habv4-srk${i}"
> +		cs_define_role "${r}"
> +		cs_import_cert_from_der "${r}" "${crts}/SRK${i}_sha256_4096_65537_v3_ca_crt.der"
> +		cs_import_key_from_pem "${r}" "${keys}/SRK${i}_sha256_4096_65537_v3_ca_key.pem"
> +		cs_append_ca_from_uri "${r}"
> +
> +		r="imx-habv4-csf${i}"
> +		cs_define_role "${r}"
> +		cs_import_cert_from_der "${r}" "${crts}/CSF${i}_1_sha256_4096_65537_v3_usr_crt.der"
> +		cs_import_key_from_pem "${r}" "${keys}/CSF${i}_1_sha256_4096_65537_v3_usr_key.pem"
> +
> +		r="imx-habv4-img${i}"
> +		cs_define_role "${r}"
> +		cs_import_cert_from_der "${r}" "${crts}/IMG${i}_1_sha256_4096_65537_v3_usr_crt.der"
> +		cs_import_key_from_pem "${r}" "${keys}/IMG${i}_1_sha256_4096_65537_v3_usr_key.pem"
> +	done
> +}
> +
> +
> +# SoftHSM use case
> +cs_init_softhsm
> +import_fit_keys
> +import_rauc_keys
> +import_imx_habv4_keys
> diff --git a/rules/templates/code-signing-provider/wizard.sh b/rules/templates/code-signing-provider/wizard.sh
> new file mode 100644
> index 000000000..83d6d54e3
> --- /dev/null
> +++ b/rules/templates/code-signing-provider/wizard.sh
> @@ -0,0 +1,10 @@
> +#!/bin/bash
> +
> +if [ "$TYPE" = "SoftHSM" ]; then
> +	mv ptxdist-set-keys-softhsm.sh ptxdist-set-keys.sh
> +	rm ptxdist-set-keys-hsm.sh
> +
> +elif [ "$TYPE" = "HSM with OpenSC support" ] || [ "$TYPE" = "other HSM" ]; then
> +	mv ptxdist-set-keys-hsm.sh ptxdist-set-keys.sh
> +	rm ptxdist-set-keys-softhsm.sh
> +fi
> diff --git a/rules/templates/template-code-signing-provider-choice-in b/rules/templates/template-code-signing-provider-choice-in
> new file mode 100644
> index 000000000..e2108f870
> --- /dev/null
> +++ b/rules/templates/template-code-signing-provider-choice-in
> @@ -0,0 +1,5 @@
> +## SECTION=code_signing_provider
> +
> +config CODE_SIGNING_PROVIDER_@PACKAGE@
> +	bool
> +	prompt "@package@"
> diff --git a/rules/templates/template-code-signing-provider-in b/rules/templates/template-code-signing-provider-in
> new file mode 100644
> index 000000000..b84ba839c
> --- /dev/null
> +++ b/rules/templates/template-code-signing-provider-in
> @@ -0,0 +1,14 @@
> +## SECTION=code_signing
> +
> +config CODE_SIGNING
> +	select HOST_@PACKAGE@_CODE_SIGNING if CODE_SIGNING_PROVIDER_@PACKAGE@
> +
> +config CODE_SIGNING_PROVIDER
> +	default "@package@" if CODE_SIGNING_PROVIDER_@PACKAGE@
> +
> +config HOST_@PACKAGE@_CODE_SIGNING
> +	bool
> +	select HOST_LIBP11
> +	select HOST_OPENSSL
> +	select HOST_EXTRACT_CERT
> +	@EXTRA_DEPENDENCIES@
> diff --git a/rules/templates/template-code-signing-provider-make b/rules/templates/template-code-signing-provider-make
> new file mode 100644
> index 000000000..94830d92e
> --- /dev/null
> +++ b/rules/templates/template-code-signing-provider-make
> @@ -0,0 +1,41 @@
> +# -*-makefile-*-
> +#
> +# Copyright (C) @YEAR@ by @AUTHOR@
> +#
> +# For further information about the PTXdist project and license conditions
> +# see the README file.
> +#
> +
> +#
> +# We provide this package
> +#
> +HOST_PACKAGES-$(PTXCONF_HOST_@PACKAGE@_CODE_SIGNING) += host-@package@-code-signing
> +
> +#
> +# Paths and names
> +#
> +HOST_@PACKAGE@_CODE_SIGNING_VERSION	:= @VERSION@
> +HOST_@PACKAGE@_CODE_SIGNING		:= @package@-code-signing-$(HOST_@PACKAGE@_CODE_SIGNING_VERSION)
> +HOST_@PACKAGE@_CODE_SIGNING_URL		:= file://local_src/@package@-code-signing
> +HOST_@PACKAGE@_CODE_SIGNING_DIR		:= $(HOST_BUILDDIR)/$(HOST_@PACKAGE@_CODE_SIGNING)
> +
> +HOST_@PACKAGE@_CODE_SIGNING_CONF_TOOL	:= NO
> +
> +# ----------------------------------------------------------------------------
> +# Compile
> +# ----------------------------------------------------------------------------
> +
> +HOST_@PACKAGE@_CODE_SIGNING_MAKE_ENV	:= \
> +	$(CODE_SIGNING_ENV)
> +
> +$(STATEDIR)/host-@package@-code-signing.compile:
> +	@$(call targetinfo)
> +	@$(call world/execute, HOST_@PACKAGE@_CODE_SIGNING, \
> +		./ptxdist-set-keys.sh)
> +	@$(call touch)
> +
> +$(STATEDIR)/host-@package@-code-signing.install:
> +	@$(call targetinfo)
> +	@$(call touch)
> +
> +# vim: syntax=make
> diff --git a/rules/templates/template-code-signing-provider-pre-make b/rules/templates/template-code-signing-provider-pre-make
> new file mode 100644
> index 000000000..28cac750c
> --- /dev/null
> +++ b/rules/templates/template-code-signing-provider-pre-make
> @@ -0,0 +1,15 @@
> +# -*-makefile-*-
> +#
> +# Copyright (C) @YEAR@ by @AUTHOR@
> +#
> +# For further information about the PTXdist project and license conditions
> +# see the README file.
> +#
> +
> +ifndef PTXCONF_CODE_SIGNING_PROVIDER_@PACKAGE@
> +CODE_SIGNING_ENV += \
> +	PKCS11_MODULE_PATH=@MODULE_PATH@
> +	$(HSM_CODE_SIGNING_ENV)

This line has no effect. I removed it. In the OpenSC case, no extra env is
needed and for other HSMs the file must be edited anyways and all need
extra environment can be added.

Michael

> +endif
> +
> +# vim: syntax=make
> diff --git a/scripts/lib/ptxd_lib_template.sh b/scripts/lib/ptxd_lib_template.sh
> index 6b405763b..805d8d9d3 100644
> --- a/scripts/lib/ptxd_lib_template.sh
> +++ b/scripts/lib/ptxd_lib_template.sh
> @@ -486,3 +486,34 @@ ptxd_template_new_blspec_entry() {
>  export -f ptxd_template_new_blspec_entry
>  ptxd_template_help_list[${#ptxd_template_help_list[@]}]="blspec-entry"
>  ptxd_template_help_list[${#ptxd_template_help_list[@]}]="create package for a bootloader spec entry"
> +
> +ptxd_template_new_code_signing_provider() {
> +    export class="host-"
> +    ptxd_template_read_basic &&
> +    ptxd_template_read_author &&
> +    ptxd_template_read_options "provider type" TYPE "SoftHSM" "HSM with OpenSC support" "other HSM"
> +    package_filename="${package_filename}-code-signing"
> +    local template_file="$(ptxd_template_file "${template}-choice-in")"
> +    local filename="${PTXDIST_PLATFORMCONFIGDIR}/platforms/${class}${package_filename}-choice.in"
> +    ptxd_template_filter "${template_file}" "${filename}"
> +    template_file="$(ptxd_template_file "${template}-pre-make")"
> +    filename="${PTXDIST_PLATFORMCONFIGDIR}/rules/pre/020-${package_filename}-hsm.make"
> +    if [ "$TYPE" = "SoftHSM" ]; then
> +	export EXTRA_DEPENDENCIES="select HOST_SOFTHSM"
> +    elif [ "$TYPE" = "HSM with OpenSC support" ]; then
> +	export EXTRA_DEPENDENCIES="select HOST_OPENSC
> +	select HOST_OPENSC_PCSC"
> +	export MODULE_PATH="\${PTXDIST_SYSROOT_HOST}/lib/pkcs11/opensc-pkcs11.so"
> +	ptxd_template_filter "${template_file}" "${filename}"
> +    elif [ "$TYPE" = "other HSM" ]; then
> +	export EXTRA_DEPENDENCIES="select FIXME"
> +	export MODULE_PATH="\${PTXDIST_SYSROOT_HOST}/fix/me"
> +	ptxd_template_filter "${template_file}" "${filename}"
> +    fi
> +    ptxd_template_write_platform_rules
> +    package="${package}-code-signing"
> +    ptxd_template_write_src
> +}
> +export -f ptxd_template_new_code_signing_provider
> +ptxd_template_help_list[${#ptxd_template_help_list[@]}]="code-signing-provider"
> +ptxd_template_help_list[${#ptxd_template_help_list[@]}]="create package for a code signing provider"
> -- 
> 2.27.0
> 
> 
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  parent reply	other threads:[~2020-06-19  6:28 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-17 14:31 [ptxdist] [PATCH v3 0/6] Add code-signing-provider template, add code signing docs Bastian Krause
2020-06-17 14:31 ` [ptxdist] [PATCH v3 1/6] ptxd_lib_template: add ptxd_template_read_options Bastian Krause
2020-06-19  6:24   ` Michael Olbrich
2020-06-19  8:13     ` Bastian Krause
2020-06-19 22:04   ` [ptxdist] [APPLIED] " Michael Olbrich
2020-06-17 14:31 ` [ptxdist] [PATCH v3 2/6] package templates: add code-signing-provider template Bastian Krause
2020-06-18 11:40   ` Roland Hieber
2020-06-18 11:50     ` Bastian Krause
2020-06-19  6:12       ` Michael Olbrich
2020-06-19  6:28   ` Michael Olbrich [this message]
2020-06-19  7:52     ` Bastian Krause
2020-06-19 22:04   ` [ptxdist] [APPLIED] " Michael Olbrich
2020-09-24 10:04   ` [ptxdist] [PATCH v3 2/6] " Ladislav Michl
2020-09-24 11:05     ` Bastian Krause
2020-09-24 11:15       ` Ladislav Michl
2020-09-24 12:23         ` Bastian Krause
2020-06-17 14:31 ` [ptxdist] [PATCH v3 3/6] doc: dev_manual: split up into multiple files Bastian Krause
2020-06-19 22:04   ` [ptxdist] [APPLIED] " Michael Olbrich
2020-06-17 14:31 ` [ptxdist] [PATCH v3 4/6] doc: move code signing docs from scripts/ into doc/ Bastian Krause
2020-06-19 22:04   ` [ptxdist] [APPLIED] " Michael Olbrich
2020-06-17 14:31 ` [ptxdist] [PATCH v3 5/6] doc: dev_code_signing: rework and extend code signing section Bastian Krause
2020-06-19 22:04   ` [ptxdist] [APPLIED] " Michael Olbrich
2020-06-17 14:31 ` [ptxdist] [PATCH v3 6/6] doc: introduce ref_code_signing_helpers Bastian Krause
2020-06-19 22:04   ` [ptxdist] [APPLIED] " Michael Olbrich

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