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authorAndrew Geissler <geissonator@yahoo.com>2021-03-06 00:22:30 +0300
committerBrad Bishop <bradleyb@fuzziesquirrel.com>2021-03-15 14:02:06 +0300
commit8b1392834def7d17263b45bd1aab35759235fb3e (patch)
tree8c15f7cbef2b020a8f41839f56be0c02f57ac39c /meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass
parent3e34fba3f6b8389074f64203299fa60ec0fc18e1 (diff)
downloadopenbmc-8b1392834def7d17263b45bd1aab35759235fb3e.tar.xz
meta-security: subtree update:6053e8b8e2..9504d02694
Armin Kuster (19): softhsm: drop pkg as meta-oe has it apparmor: Inherit python3targetconfig python3-suricata-update: Inherit python3targetconfig openscap: Inherit python3targetconfig scap-security-guide: Inherit python3targetconfig nikito: Update common-licenses references to match new names kas-security-base.yml: build setting updates kas-security-base.yml: drop DL_DIR arpwatch: upgrade 3.0 -> 3.1 checksec: upgrade 2.1.0 -> 2.4.0 ding-libs: upgrade 0.5.0 -> 0.6.1 fscryptctl: upgrade 0.1.0 -> 1.0.0 libseccomp: upgrade 2.5.0 -> 2.5.1 python3-privacyidea: upgrade 3.3 -> 3.5.1 python3-scapy: upgrade 2.4.3 -> 2.4.4 samhain: update to 4.4.3 opendnssec: update to 2.1.8 suricata: update to 4.10.0 python3-fail2ban: update to 0.11.2 Jate Sujjavanich (1): scap-security-guide: Fix openembedded platform tests and build Ming Liu (9): ima-evm-utils: set native REQUIRED_DISTRO_FEATURES to empty initramfs-framework-ima: fix a wrong path ima-evm-keys: add recipe initramfs-framework-ima: RDEPENDS on ima-evm-keys meta: refactor IMA/EVM sign rootfs README.md: update according to the refactoring in ima-evm-rootfs.bbclass initramfs-framework-ima: let ima_enabled return 0 ima-evm-rootfs.bbclass: avoid generating /etc/fstab for wic ima-policy-hashed: add CGROUP2_SUPER_MAGIC fsmagic Yi Zhao (1): ibmswtpm2: disable camellia algorithm Signed-off-by: Andrew Geissler <geissonator@yahoo.com> Change-Id: Ic7dc6f5425a1493ac0534e10ed682662d109e60c
Diffstat (limited to 'meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass')
-rw-r--r--meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass33
1 files changed, 15 insertions, 18 deletions
diff --git a/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass b/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass
index d6ade3bf9..0acd6e7aa 100644
--- a/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass
+++ b/meta-security/meta-integrity/classes/ima-evm-rootfs.bbclass
@@ -28,6 +28,9 @@ IMA_EVM_ROOTFS_HASHED ?= ". -depth 0 -false"
# the iversion flags (needed by IMA when allowing writing).
IMA_EVM_ROOTFS_IVERSION ?= ""
+# Avoid re-generating fstab when ima is enabled.
+WIC_CREATE_EXTRA_ARGS_append = "${@bb.utils.contains('DISTRO_FEATURES', 'ima', ' --no-fstab-update', '', d)}"
+
ima_evm_sign_rootfs () {
cd ${IMAGE_ROOTFS}
@@ -37,15 +40,6 @@ ima_evm_sign_rootfs () {
# reasons (including a change of the signing keys) without also
# re-running do_rootfs.
- # Copy file(s) which must be on the device. Note that
- # evmctl uses x509_evm.der also for "ima_verify", which is probably
- # a bug (should default to x509_ima.der). Does not matter for us
- # because we use the same key for both.
- install -d ./${sysconfdir}/keys
- rm -f ./${sysconfdir}/keys/x509_evm.der
- install "${IMA_EVM_X509}" ./${sysconfdir}/keys/x509_evm.der
- ln -sf x509_evm.der ./${sysconfdir}/keys/x509_ima.der
-
# Fix /etc/fstab: it must include the "i_version" mount option for
# those file systems where writing files is allowed, otherwise
# these changes will not get detected at runtime.
@@ -80,13 +74,16 @@ ima_evm_sign_rootfs () {
}
# Signing must run as late as possible in the do_rootfs task.
-# IMAGE_PREPROCESS_COMMAND runs after ROOTFS_POSTPROCESS_COMMAND, so
-# append (not prepend!) to IMAGE_PREPROCESS_COMMAND, and do it with
-# _append instead of += because _append gets evaluated later. In
-# particular, we must run after prelink_image in
-# IMAGE_PREPROCESS_COMMAND, because prelinking changes executables.
+# To guarantee that, we append it to IMAGE_PREPROCESS_COMMAND in
+# RecipePreFinalise event handler, this ensures it's the last
+# function in IMAGE_PREPROCESS_COMMAND.
+python ima_evm_sign_handler () {
+ if not e.data or 'ima' not in e.data.getVar('DISTRO_FEATURES').split():
+ return
-IMAGE_PREPROCESS_COMMAND_append = " ima_evm_sign_rootfs ; "
-
-# evmctl must have been installed first.
-do_rootfs[depends] += "ima-evm-utils-native:do_populate_sysroot"
+ e.data.appendVar('IMAGE_PREPROCESS_COMMAND', ' ima_evm_sign_rootfs; ')
+ e.data.appendVar('IMAGE_INSTALL', ' ima-evm-keys')
+ e.data.appendVarFlag('do_rootfs', 'depends', ' ima-evm-utils-native:do_populate_sysroot')
+}
+addhandler ima_evm_sign_handler
+ima_evm_sign_handler[eventmask] = "bb.event.RecipePreFinalise"