.gitignore

@@ -1,2 +1 @@
 /ima-evm-utils-*.tar.gz
-prepare_sources_result*/

.packit.yaml

@@ -1,34 +0,0 @@
-# See the documentation for more information:
-# https://packit.dev/docs/configuration/
-
-specfile_path: ima-evm-util.spec
-
-# add or remove files that should be synced
-files_to_sync:
-    - .packit.yaml
-
-# name in upstream package repository or registry (e.g. in PyPI)
-upstream_package_name: ima-evm-utils
-# downstream (Fedora) RPM package name
-downstream_package_name: ima-evm-utils
-
-jobs:
-  # This is triggered by https://release-monitoring.org/
-  - job: pull_from_upstream
-    trigger: release
-    dist_git_branches:
-      - fedora-all
-
-  # This is triggered at Fedora dist-git for creating koji build after
-  # PR in src.fedoraproject.org been merged.
-  - job: koji_build
-    trigger: commit
-    allowed_pr_authors: ["all_committers", "packit"]
-    dist_git_branches:
-      - fedora-all
-
-  # This is triggered at Fedora messaging bus about koji build finished.
-  - job: bodhi_update
-    trigger: commit
-    allowed_builders: ["all_committers", "packit"]
-    dist_git_branches:

ima-add-sigs.sh

@@ -1,31 +1,16 @@
 #!/bin/bash
 #
 # This script add IMA signatures to installed RPM package files
-usage() {
-	echo "Add IMA signatures to installed packages."
-	cat <<EOF
-usage: $0 [--package=PACKAGE_NAME|ALL] [--ima_cert=IMA_CERT_PATH] [--reinstall_threshold=NUM]
-
-       --package
-       By default, it will add IMA sigantures to all installed package files.
-       Or you can provide a package name to only add IMA signature for files of
-       specicifed package.
-
-       --reinstall_threshold
-       When there are >reinstall_threshold (=20 by default) packages in the RPM
-       DB missing IMA signatures, reinstalling the packages to add IMA
-       signatures to the packages.  By default, IMA sigatures will be obtained
-       from the RPM DB. However the RPM DB may not have the signatures. Dectect
-       this case by checking if there are >reinstall_threshold package missing
-       IMA signatures.
-
-       --ima_cert
-       With the signing IMA cert path specified, it will also try to verify the
-       added IMA signature.
-
-EOF
-	exit 1
-}
+# Usage: add_ima_sigs.sh [--package=PACKAGE_NAME|ALL] [--ima-cert=IMA_CERT_PATH] [--reinstall_threshold=NUM]
+#
+# By default, it will add IMA sigantures to all installed package files. Or you
+# can provide a package name to only add IMA signature for files of specicifed
+# package.  If it detects >=20 packages (or 1 package if you specify a package
+# name) missing signatures in the RPM database, it will reinstall the packages
+# in order to get the IMA signatures.
+#
+# With the signing IMA cert path specified, it will also try to verify
+# the added IMA signature.
 
 for _opt in "$@"; do
 	case "$_opt" in
@@ -39,7 +24,7 @@ for _opt in "$@"; do
 		ima_cert=${_opt#*=}
 		;;
 	*)
-		[[ -n $1 ]] && usage
+		usage
 		;;
 	esac
 done
@@ -53,33 +38,10 @@ abort() {
 	exit 1
 }
 
-get_system_ima_key() {
-	source /etc/os-release
-	local -A name_map=(['Fedora Linux']="fedora" ['Red Hat Enterprise Linux']="redhatimarelease" ['CentOS Stream']='centosimarelease')
-	local version_id
-	key_name=${name_map[$NAME]}
-	version_id=${VERSION_ID/.?/}
-
-	[[ $key_name == fedora ]] && name_suffix=-ima
-	key_path=/etc/keys/ima/${key_name}-${version_id}${name_suffix}.der
-	if [[ ! -e $key_path ]]; then
-		echo "Failed to get system IMA code verification key"
-		exit 1
-	fi
-
-	echo -n "$key_path"
-}
-
 # Add IMA signatures from RPM database
 add_from_rpm_db() {
 	if ! command -v setfattr &>/dev/null; then
-		abort "Please install attr"
-	fi
-
-	if [[ -e "$ima_cert" ]]; then
-		verify_ima_cert=$ima_cert
-	else
-		verify_ima_cert=$(get_system_ima_key)
+			abort "Please install attr"
 	fi
 
 	# use "|" as deliminator since it won't be used in a filename or signature
@@ -95,22 +57,16 @@ add_from_rpm_db() {
 			continue
 		fi
 
-		# Skip some files that are created on the fly
-		if [[ $path == "/usr/share/mime/"* || $path == "/etc/pki/ca-trust/extracted/"* ]]; then
-			continue
-		fi
-
 		if ! setfattr -n security.ima "$path" -v "0x$sig"; then
 			echo "Failed to add IMA sig for $path"
 		fi
 
-		if ! evmctl ima_verify -k "$verify_ima_cert" "$path" &>/dev/null; then
-			setfattr -x security.ima "$path"
-			# When ima_cert is set, shows the verfication result for users
-			[[ -e "$ima_cert" ]] && "Failed to verify $path"
-			continue
+		[[ -e "$ima_cert" ]] || continue
+		# TODO
+		# don't verify the modified files like /etc?
+		if ! evmctl ima_verify -k "$ima_cert" "$path" &>/dev/null; then
+			echo "Failed to verify $path"
 		fi
-
 	done < <(rpm -q --queryformat "[%{FILENAMES}|%{FILESIGNATURES}\n]" "$package")
 }
 
@@ -124,7 +80,7 @@ if [[ -z $reinstall_threshold ]]; then
 	if [[ $package == "--all" ]]; then
 		reinstall_threshold=20
 	else
-		if ! rpm -q --quiet "$package"; then
+		if ! rpm -q --quiet $package; then
 			dnf install "$package" -yq >/dev/null
 			exit 0
 		fi
@@ -132,7 +88,7 @@ if [[ -z $reinstall_threshold ]]; then
 	fi
 fi
 
-unsigned_packages_in_rpm_db=$(rpm -q --queryformat "%{RSAHEADER}\n" "$package" | grep -c "^(none)$")
+unsigned_packages_in_rpm_db=$(rpm -q --queryformat "%{SIGPGP:pgpsig}\n" $package | grep "^(none)$" | wc -l)
 
 if [[ $unsigned_packages_in_rpm_db -ge $reinstall_threshold ]]; then
 	add_by_reinstall

ima-evm-utils.spec

@@ -8,7 +8,7 @@
 
 Name:    ima-evm-utils
 Version: 1.6.2
-Release: 7%{?dist}
+Release: 2%{?dist}
 Summary: IMA/EVM support utilities
 License: GPL-2.0-or-later
 Url:     https://github.com/linux-integrity/
@@ -18,7 +18,7 @@ Source0: %{url}/ima-evm-utils/releases/download/v%{version}/%{name}-%{version}.t
 Source2: dracut-98-integrity.conf
 Source3: ima-add-sigs.sh
 Source4: ima-setup.sh
-Source100: policy-01-appraise-executable-and-lib-signatures
+Source100: policy-01-appraise-exectuables-and-lib-signatures
 Source101: policy-02-keylime-remote-attestation
 Source200: policy_list
 
@@ -145,21 +145,6 @@ install -D %{SOURCE4} $RPM_BUILD_ROOT%{_bindir}/ima-setup
 %{_libdir}/libimaevm.so
 
 %changelog
-* Thu Oct 16 2025 Coiby Xu <coxu@redhat.com> - 1.6.2-7
-- ima-add-sigs: Use RSAHEADER to tell if a package has been signed
-
-* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.2-6
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Mon Mar 03 2025 Coiby Xu <coxu@redhat.com> - 1.6.2-5
-- release 1.6.2-5
-
-* Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.2-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Thu Oct 31 2024 Coiby Xu <coxu@redhat.com> - 1.6.2-3
-- Skip unsupported file systems for sample appraisal rule
-
 * Fri Oct 18 2024 Adam Williamson <awilliam@redhat.com> - 1.6.2-2
 - ima-evm-utils-libs obsoletes ima-evm-utils < 1.6 for rhbz#2319827
 

ima-setup.sh

@@ -17,12 +17,8 @@ usage: $0 --policy=IMA_POLICY_PATH [--reinstall_threshold=NUM]
        /usr/share/ima/policies or you can use your own IMA policy
 
        --reinstall_threshold
-       When there are >reinstall_threshold packages in the RPM DB missing IMA
-       signatures, reinstalling the packages to add IMA signatures to the
-       packages.  By default, IMA sigatures will be obtained from the RPM DB.
-       However the RPM DB may not have the signatures. Dectect this case by
-       checking if there are >reinstall_threshold package missing IMA
-       signatures.
+       When there are >reinstall_threshold packages in the RPM DB missing IMA signatures, reinstalling the packages to add IMA signatures to the packages.
+       By default, IMA sigatures will be obtained from the RPM DB. However the RPM DB may not have the signatures. Dectect this case by checking if there are >reinstall_threshold package missing IMA signatures.
 
 EOF
 	exit 1
@@ -33,7 +29,7 @@ for _opt in "$@"; do
 	--policy=*)
 		ima_policy_path=${_opt#*=}
 		if [[ ! -e $ima_policy_path ]]; then
-			echo "$ima_policy_path doesn't exist"
+			echo "$policy_file doesn't exist"
 			exit 1
 		fi
 		;;
@@ -55,7 +51,7 @@ if test -f /run/ostree-booted; then
 	echo "You are using OSTree, please enable IMA signatures as part of the OSTree creation process."
 else
 	echo "Adding IMA signatures to installed package files"
-	if ! ima-add-sigs --reinstall_threshold="$reinstall_threshold"; then
+	if ! ima-add-sigs; then
 		echo "Failed to add IMA signatures, abort"
 		exit 1
 	fi
@@ -120,12 +116,17 @@ load_ima_keys
 # automatically when there is a system reboot
 if ! lsinitrd --mod | grep -q integrity; then
 	cp --preserve=xattr /usr/share/ima/dracut-98-integrity.conf /etc/dracut.conf.d/98-integrity.conf
-	echo "Regenerating all initramfs images to include the dracut integrity module"
-	if ! dracut -f --regenerate-all; then
-		echo "Failed to Regenerate all initramfs images"
-		exit 1
+	echo "Rebuilding the initramfs of kernel-$(uname -r) to include the dracut integrity module"
+	dracut -f
+
+	if command -v grubby >/dev/null; then
+		_default_kernel=$(grubby --default-kernel | sed -En "s/.*vmlinuz-(.*)/\1/p")
+		if [[ $_default_kernel != $(uname -r) ]]; then
+			echo "Current kernel is no the default kernel ($_default_kernel), include dracut integrity for it as well"
+			dracut -f --kver "$_default_kernel"
+		fi
 	fi
-	[[ $(uname -m) == s390x ]] && zipl &> /dev/null
+
 fi
 
 if ! load_ima_policy "$ima_policy_path"; then

policy-01-appraise-exectuables-and-lib-signatures

@@ -0,0 +1,2 @@
+appraise func=MMAP_CHECK mask=MAY_EXEC appraise_type=imasig
+appraise func=BPRM_CHECK appraise_type=imasig

policy-01-appraise-executable-and-lib-signatures

@@ -1,28 +0,0 @@
-# Skip some unsupported filesystems
-# This list of the filesystems can be found on
-# https://www.kernel.org/doc/Documentation/ABI/testing/ima_policy
-# PROC_SUPER_MAGIC
-dont_appraise fsmagic=0x9fa0
-# SYSFS_MAGIC
-dont_appraise fsmagic=0x62656572
-# DEBUGFS_MAGIC
-dont_appraise fsmagic=0x64626720
-# TMPFS_MAGIC
-dont_appraise fsmagic=0x01021994
-# RAMFS_MAGIC
-dont_appraise fsmagic=0x858458f6
-# DEVPTS_SUPER_MAGIC
-dont_appraise fsmagic=0x1cd1
-# BINFMTFS_MAGIC
-dont_appraise fsmagic=0x42494e4d
-# SECURITYFS_MAGIC
-dont_appraise fsmagic=0x73636673
-# SELINUX_MAGIC
-dont_appraise fsmagic=0xf97cff8c
-# CGROUP_SUPER_MAGIC
-dont_appraise fsmagic=0x27e0eb
-# NSFS_MAGIC
-dont_appraise fsmagic=0x6e736673
-
-appraise func=MMAP_CHECK mask=MAY_EXEC appraise_type=imasig
-appraise func=BPRM_CHECK appraise_type=imasig

policy_list

@@ -1,2 +1,2 @@
-01-appraise-executable-and-lib-signatures
+01-appraise-exectuables-and-lib-signatures
 02-keylime-remote-attestation