uboot-sign.bbclass: fix signature and deployment

PATCH Superseded Robert Yang 3 participants 6 messages Nov 21, 2018 – Nov 30, 2018

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Robert Yang

author

2018-11-21 06:08 UTC #1 lore raw

PATCH 1/1 uboot-sign.bbclass: fix signature and deployment

In reply to Robert Yang

Fixed:
MACHINE = "beaglebone-yocto"
KERNEL_CLASSES += "kernel-fitimage" KERNEL_IMAGETYPE_beaglebone-yocto = "fitImage" UBOOT_MACHINE_beaglebone-yocto = "am335x_boneblack_vboot_config" UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb -p 2000" UBOOT_SIGN_KEYDIR = "${TOPDIR}/conf" UBOOT_SIGN_KEYNAME = "dev"
UBOOT_SIGN_ENABLE = "1"
IMAGE_INSTALL_remove = "kernel-image-zimage"

$ cd conf
$ openssl genrsa -F4 -out dev.key 2048
$ openssl req -batch -new -x509 -key dev.key -out dev.crt
$ cd ../
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto-2018.07-r0.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot.dtb matches

And there would be no signature info when rebuild from sstate:

$ bitbake u-boot linux-yocto -cclean
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
No result

This s because kernel directly edit ${DEPLOY_DIR_IMAGE}/u-boot.dtb, (Note, it is global ${DEPLOY_DIR_IMAGE}, not recipe's DEPLOYDIR), so that the modified info is not in sstate, and would be lost when rebuild from sstate.

There are other problems in previouse code:
- The u-boot.dtb is provided by u-boot, but edited by kernel during signing, so it should be deployed by kernel rather than u-boot.

- The u-boot.do_concat_dtb directly install files to global ${DEPLOY_DIR_IMAGE}, this is incorrect, the ${DEPLOY_DIR_IMAGE} should be installed by do_deploy.

- It seems that it assumes do_deploy depends on do_install according the comments, but they have no relationships:

  # do_concat_dtb is scheduled _before_ do_install as it overwrite the
  # u-boot.bin in both DEPLOYDIR and DEPLOY_IMAGE_DIR.

- The do_concat_dtb should be run after do_compile, but it doesn't have this dependency.

Make u-boot install u-boot.dtb to ${datadir}, kernel copies u-boot.dtb from ${STAGING_DATADIR} to ${B} and deploy it can fix the problem.

[YOCTO #12112]

Reported-by Christian Andersen <[email protected]>

Signed-off-by Robert Yang <[email protected]>

---
 meta/classes/kernel-fitimage.bbclass | 17 ++++++-
 meta/classes/uboot-sign.bbclass      | 95 ++++++++++++++++++++----------------
 meta/recipes-bsp/u-boot/u-boot.inc   |  2 +-
 3 files changed, 69 insertions(+), 45 deletions(-)

meta/classes/kernel-fitimage.bbclass +15 -2

index 4c4fd99..7c5bcd0 100644
@@ -35,7 +35,7 @@ python __anonymous () {
         # the fitImage:
         if d.getVar('UBOOT_SIGN_ENABLE') == "1":
             uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'
-            d.appendVarFlag('do_assemble_fitimage', 'depends', ' %s:do_deploy' % uboot_pn)
+            d.appendVarFlag('do_assemble_fitimage', 'depends', ' %s:do_populate_sysroot' % uboot_pn)
 }
 
 # Options for the device tree compiler passed to mkimage '-D' feature:

@@ -456,10 +456,17 @@ fitimage_assemble() {
 	# Step 7: Sign the image and add public key to U-Boot dtb
 	#
 	if [ "x${UBOOT_SIGN_ENABLE}" = "x1" ] ; then
+		add_key_to_u_boot=""
+		if [ -n "${UBOOT_DTB_BINARY}" ]; then
+			# The u-boot.dtb is a symlink to UBOOT_DTB_IMAGE, so we need copy
+			# both of them, and don't dereference the symlink.
+			cp -P ${STAGING_DATADIR}/u-boot*.dtb ${B}
+			add_key_to_u_boot="-K ${B}/${UBOOT_DTB_BINARY}"
+		fi
 		uboot-mkimage \
 			${@'-D "${UBOOT_MKIMAGE_DTCOPTS}"' if len('${UBOOT_MKIMAGE_DTCOPTS}') else ''} \
 			-F -k "${UBOOT_SIGN_KEYDIR}" \
-			${@'-K "${DEPLOY_DIR_IMAGE}/${UBOOT_DTB_BINARY}"' if len('${UBOOT_DTB_BINARY}') else ''} \
+			$add_key_to_u_boot \
 			-r arch/${ARCH}/boot/${2}
 	fi
 }

@@ -505,5 +512,11 @@ kernel_do_deploy_append() {
 			install -m 0644 ${B}/arch/${ARCH}/boot/fitImage-${INITRAMFS_IMAGE} ${DEPLOYDIR}/fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.bin
 			ln -snf fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_NAME}.bin ${DEPLOYDIR}/fitImage-${INITRAMFS_IMAGE_NAME}-${KERNEL_FIT_LINK_NAME}
 		fi
+		if [ "${UBOOT_SIGN_ENABLE}" = "1" -a -n "${UBOOT_DTB_BINARY}" ] ; then
+			# UBOOT_DTB_IMAGE is a realfile, but we can't use
+			# ${UBOOT_DTB_IMAGE} since it contains ${PV} which is aimed
+			# for u-boot, but we are in kernel env now.
+			install -m 0644 ${B}/u-boot-${MACHINE}*.dtb ${DEPLOYDIR}/
+		fi
 	fi
 }

meta/classes/uboot-sign.bbclass +53 ~~-42~~

122 lines not on this page · raw message

meta/recipes-bsp/u-boot/u-boot.inc +1 -1

index 48fbc57..bbdbc25 100644
@@ -201,7 +201,7 @@ do_install () {
 
 }
 
-FILES_${PN} = "/boot ${sysconfdir}"
+FILES_${PN} = "/boot ${sysconfdir} ${datadir}"
 
 do_deploy () {
     if [ -n "${UBOOT_CONFIG}" ]

Signature · 1 line

2.7.4

Robert Yang

author

2018-11-21 06:08 UTC #0 lore raw

cover uboot-sign.bbclass: fix signature and deployment

The following changes since commit 19c9842644b7b0a599437fd394111f161c8b1f1e:

apt: Improve SRC_URI (2018-11-20 10:11:24 +0000)

are available in the git repository at:

git://git.openembedded.org/openembedded-core-contrib rbt/uboot
http://cgit.openembedded.org/openembedded-core-contrib/log/?h=rbt/uboot

Robert Yang (1):
uboot-sign.bbclass: fix signature and deployment

 meta/classes/kernel-fitimage.bbclass | 17 ++++++-
 meta/classes/uboot-sign.bbclass      | 95 ++++++++++++++++++++----------------
 meta/recipes-bsp/u-boot/u-boot.inc   |  2 +-
 3 files changed, 69 insertions(+), 45 deletions(-)

Signature · 1 line

2.7.4

Otavio Salvador

Acked-by on v1 1/1

2018-11-21 17:20 UTC #2 lore raw

In reply to Robert Yang

Hello,

Quoted 47 lines · Robert Yang

Fixed:
MACHINE = "beaglebone-yocto"
KERNEL_CLASSES += "kernel-fitimage" KERNEL_IMAGETYPE_beaglebone-yocto = "fitImage" UBOOT_MACHINE_beaglebone-yocto = "am335x_boneblack_vboot_config" UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb -p 2000" UBOOT_SIGN_KEYDIR = "${TOPDIR}/conf" UBOOT_SIGN_KEYNAME = "dev"
UBOOT_SIGN_ENABLE = "1"
IMAGE_INSTALL_remove = "kernel-image-zimage"
$ cd conf
$ openssl genrsa -F4 -out dev.key 2048
$ openssl req -batch -new -x509 -key dev.key -out dev.crt
$ cd ../
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto-2018.07-r0.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot.dtb matches
And there would be no signature info when rebuild from sstate:
$ bitbake u-boot linux-yocto -cclean
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
No result
This s because kernel directly edit ${DEPLOY_DIR_IMAGE}/u-boot.dtb, (Note, it is global ${DEPLOY_DIR_IMAGE}, not recipe's DEPLOYDIR), so that the modified info is not in sstate, and would be lost when rebuild from sstate.
There are other problems in previouse code:
- The u-boot.dtb is provided by u-boot, but edited by kernel during signing, so it should be deployed by kernel rather than u-boot.
- The u-boot.do_concat_dtb directly install files to global ${DEPLOY_DIR_IMAGE}, this is incorrect, the ${DEPLOY_DIR_IMAGE} should be installed by do_deploy.
- It seems that it assumes do_deploy depends on do_install according the comments, but they have no relationships:
  # do_concat_dtb is scheduled _before_ do_install as it overwrite the
  # u-boot.bin in both DEPLOYDIR and DEPLOY_IMAGE_DIR.
- The do_concat_dtb should be run after do_compile, but it doesn't have this dependency.

Quoted 7 lines

Make u-boot install u-boot.dtb to ${datadir}, kernel copies u-boot.dtb from ${STAGING_DATADIR} to ${B} and deploy it can fix the problem.
[YOCTO #12112]
Reported-by Christian Andersen <[email protected]>
Signed-off-by Robert Yang <[email protected]>

The change itself looks good, I noticed that the script part is not using 4 spaces for indenting and as this is being changed, it might make sense to address this as well.

Acked-by Otavio Salvador <[email protected]>

Signature · 3 lines

Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9 9981-7854          Mobile: +1 (347) 903-9750

Robert Yang

author

2018-11-22 01:42 UTC #3 lore raw

Quoted 53 lines · Otavio Salvador

Hello,
Quoted 50 lines · Robert Yang
Fixed:
MACHINE = "beaglebone-yocto"
KERNEL_CLASSES += "kernel-fitimage" KERNEL_IMAGETYPE_beaglebone-yocto = "fitImage" UBOOT_MACHINE_beaglebone-yocto = "am335x_boneblack_vboot_config" UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb -p 2000" UBOOT_SIGN_KEYDIR = "${TOPDIR}/conf" UBOOT_SIGN_KEYNAME = "dev"
UBOOT_SIGN_ENABLE = "1"
IMAGE_INSTALL_remove = "kernel-image-zimage"
$ cd conf
$ openssl genrsa -F4 -out dev.key 2048
$ openssl req -batch -new -x509 -key dev.key -out dev.crt
$ cd ../
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto-2018.07-r0.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot.dtb matches
And there would be no signature info when rebuild from sstate:
$ bitbake u-boot linux-yocto -cclean
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
No result
This s because kernel directly edit ${DEPLOY_DIR_IMAGE}/u-boot.dtb, (Note, it is global ${DEPLOY_DIR_IMAGE}, not recipe's DEPLOYDIR), so that the modified info is not in sstate, and would be lost when rebuild from sstate.
There are other problems in previouse code:
- The u-boot.dtb is provided by u-boot, but edited by kernel during signing, so it should be deployed by kernel rather than u-boot.
- The u-boot.do_concat_dtb directly install files to global ${DEPLOY_DIR_IMAGE}, this is incorrect, the ${DEPLOY_DIR_IMAGE} should be installed by do_deploy.
- It seems that it assumes do_deploy depends on do_install according the comments, but they have no relationships:
   # do_concat_dtb is scheduled _before_ do_install as it overwrite the
   # u-boot.bin in both DEPLOYDIR and DEPLOY_IMAGE_DIR.
- The do_concat_dtb should be run after do_compile, but it doesn't have this dependency.
Make u-boot install u-boot.dtb to ${datadir}, kernel copies u-boot.dtb from ${STAGING_DATADIR} to ${B} and deploy it can fix the problem.

Quoted 8 lines

Quoted 4 lines
[YOCTO #12112]
Reported-by Christian Andersen <[email protected]>
Signed-off-by Robert Yang <[email protected]>
The change itself looks good, I noticed that the script part is not using 4 spaces for indenting and as this is being changed, it might make sense to address this as well.

Thanks, sounds good to me, I will make another patch for it after this is merged.

// Robert

Quoted 3 lines

Acked-by Otavio Salvador <[email protected]>

Burton, Ross

2018-11-29 13:15 UTC #4 lore raw

This didn't get merged before other pieces did, so can you please rebase and resend?

Ross

Quoted 78 lines · Robert Yang

Quoted 53 lines · Otavio Salvador
Hello,
Quoted 50 lines · Robert Yang
Fixed:
MACHINE = "beaglebone-yocto"
KERNEL_CLASSES += "kernel-fitimage" KERNEL_IMAGETYPE_beaglebone-yocto = "fitImage" UBOOT_MACHINE_beaglebone-yocto = "am335x_boneblack_vboot_config" UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb -p 2000" UBOOT_SIGN_KEYDIR = "${TOPDIR}/conf" UBOOT_SIGN_KEYNAME = "dev"
UBOOT_SIGN_ENABLE = "1"
IMAGE_INSTALL_remove = "kernel-image-zimage"
$ cd conf
$ openssl genrsa -F4 -out dev.key 2048
$ openssl req -batch -new -x509 -key dev.key -out dev.crt
$ cd ../
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto-2018.07-r0.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot.dtb matches
And there would be no signature info when rebuild from sstate:
$ bitbake u-boot linux-yocto -cclean
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
No result
This s because kernel directly edit ${DEPLOY_DIR_IMAGE}/u-boot.dtb, (Note, it is global ${DEPLOY_DIR_IMAGE}, not recipe's DEPLOYDIR), so that the modified info is not in sstate, and would be lost when rebuild from sstate.
There are other problems in previouse code:
- The u-boot.dtb is provided by u-boot, but edited by kernel during signing, so it should be deployed by kernel rather than u-boot.
- The u-boot.do_concat_dtb directly install files to global ${DEPLOY_DIR_IMAGE}, this is incorrect, the ${DEPLOY_DIR_IMAGE} should be installed by do_deploy.
- It seems that it assumes do_deploy depends on do_install according the comments, but they have no relationships:
   # do_concat_dtb is scheduled _before_ do_install as it overwrite the
   # u-boot.bin in both DEPLOYDIR and DEPLOY_IMAGE_DIR.
- The do_concat_dtb should be run after do_compile, but it doesn't have this dependency.
Make u-boot install u-boot.dtb to ${datadir}, kernel copies u-boot.dtb from ${STAGING_DATADIR} to ${B} and deploy it can fix the problem.
Quoted 8 lines
Quoted 4 lines
[YOCTO #12112]
Reported-by Christian Andersen <[email protected]>
Signed-off-by Robert Yang <[email protected]>
The change itself looks good, I noticed that the script part is not using 4 spaces for indenting and as this is being changed, it might make sense to address this as well.
Thanks, sounds good to me, I will make another patch for it after this is merged.
// Robert
Quoted 3 lines
Acked-by Otavio Salvador <[email protected]>
--
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Robert Yang

author

2018-11-30 02:08 UTC #5 lore raw

Hi Ross,

Quoted 2 lines · Ross

This didn't get merged before other pieces did, so can you please rebase and resend?

Thanks, I will rebase to master-next and resend. BTW, the Christian Andersen (the reporter) has replied that the patch works for him:

https://bugzilla.yoctoproject.org/show_bug.cgi?id=12112

// Robert

Quoted 82 lines

Ross
Quoted 78 lines · Robert Yang
Quoted 53 lines · Otavio Salvador
Hello,
Quoted 50 lines · Robert Yang
Fixed:
MACHINE = "beaglebone-yocto"
KERNEL_CLASSES += "kernel-fitimage" KERNEL_IMAGETYPE_beaglebone-yocto = "fitImage" UBOOT_MACHINE_beaglebone-yocto = "am335x_boneblack_vboot_config" UBOOT_MKIMAGE_DTCOPTS = "-I dts -O dtb -p 2000" UBOOT_SIGN_KEYDIR = "${TOPDIR}/conf" UBOOT_SIGN_KEYNAME = "dev"
UBOOT_SIGN_ENABLE = "1"
IMAGE_INSTALL_remove = "kernel-image-zimage"
$ cd conf
$ openssl genrsa -F4 -out dev.key 2048
$ openssl req -batch -new -x509 -key dev.key -out dev.crt
$ cd ../
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto-2018.07-r0.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot-beaglebone-yocto.dtb matches
Binary file tmp/deploy/images/beaglebone-yocto/u-boot.dtb matches
And there would be no signature info when rebuild from sstate:
$ bitbake u-boot linux-yocto -cclean
$ bitbake u-boot linux-yocto
$ grep signature tmp/deploy/images/beaglebone-yocto/*.dtb
No result
This s because kernel directly edit ${DEPLOY_DIR_IMAGE}/u-boot.dtb, (Note, it is global ${DEPLOY_DIR_IMAGE}, not recipe's DEPLOYDIR), so that the modified info is not in sstate, and would be lost when rebuild from sstate.
There are other problems in previouse code:
- The u-boot.dtb is provided by u-boot, but edited by kernel during signing, so it should be deployed by kernel rather than u-boot.
- The u-boot.do_concat_dtb directly install files to global ${DEPLOY_DIR_IMAGE},
    this is incorrect, the ${DEPLOY_DIR_IMAGE} should be installed by do_deploy.
- It seems that it assumes do_deploy depends on do_install according the comments, but they have no relationships:
# do_concat_dtb is scheduled _before_ do_install as it overwrite the # u-boot.bin in both DEPLOYDIR and DEPLOY_IMAGE_DIR.
- The do_concat_dtb should be run after do_compile, but it doesn't have this dependency.
Make u-boot install u-boot.dtb to ${datadir}, kernel copies u-boot.dtb from ${STAGING_DATADIR} to ${B} and deploy it can fix the problem.
Quoted 8 lines
Quoted 4 lines
[YOCTO #12112]
Reported-by Christian Andersen <[email protected]>
Signed-off-by Robert Yang <[email protected]>
The change itself looks good, I noticed that the script part is not using 4 spaces for indenting and as this is being changed, it might make sense to address this as well.
Thanks, sounds good to me, I will make another patch for it after this is merged.
// Robert
Quoted 3 lines
Acked-by Otavio Salvador <[email protected]>
--
_______________________________________________
Openembedded-core mailing list
[email protected]
http://lists.openembedded.org/mailman/listinfo/openembedded-core