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dim/backport-Optimize-test-framework-and-add-testcases.patch
jinlun aec8f0106e backport some patches 
(cherry picked from commit 6559117500303659f7a061847662458d4037a7da)
2024-04-17 14:20:30 +08:00

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From cfa580aa836f8c7f93e28971827bc67fdc20c679 Mon Sep 17 00:00:00 2001
From: Huaxin Lu <luhuaxin1@huawei.com>
Date: Mon, 19 Feb 2024 15:18:49 +0800
Subject: [PATCH 21/26] Optimize test framework and add testcases
---
test/Makefile | 16 ++-
test/README.md | 23 ----
test/common.sh | 47 ++++---
test/test_dfx/Makefile | 11 ++
test/test_dfx/test_dim_core_dfx.sh | 48 ++++++++
test/test_dim_monitor.sh | 32 -----
test/test_function/Makefile | 11 ++
test/{ => test_function}/dim_test_demo.c | 2 +-
.../dim_test_demo_tamper.c | 2 +-
test/{ => test_function}/test_dim_core.sh | 34 +++--
test/test_function/test_dim_monitor.sh | 47 +++++++
test/{ => test_function}/test_module/Makefile | 2 +-
.../test_module/dim_test_module_demo.c | 2 +-
.../test_module/dim_test_module_demo_tamper.c | 2 +-
test/test_interface/Makefile | 12 ++
test/test_interface/test_dim_core_modparam.sh | 116 ++++++++++++++++++
.../test_dim_monitor_modparam.sh | 79 ++++++++++++
17 files changed, 393 insertions(+), 93 deletions(-)
delete mode 100644 test/README.md
create mode 100644 test/test_dfx/Makefile
create mode 100644 test/test_dfx/test_dim_core_dfx.sh
delete mode 100644 test/test_dim_monitor.sh
create mode 100644 test/test_function/Makefile
rename test/{ => test_function}/dim_test_demo.c (64%)
rename test/{ => test_function}/dim_test_demo_tamper.c (68%)
rename test/{ => test_function}/test_dim_core.sh (85%)
create mode 100644 test/test_function/test_dim_monitor.sh
rename test/{ => test_function}/test_module/Makefile (68%)
rename test/{ => test_function}/test_module/dim_test_module_demo.c (80%)
rename test/{ => test_function}/test_module/dim_test_module_demo_tamper.c (82%)
create mode 100644 test/test_interface/Makefile
create mode 100644 test/test_interface/test_dim_core_modparam.sh
create mode 100644 test/test_interface/test_dim_monitor_modparam.sh
diff --git a/test/Makefile b/test/Makefile
index 4a61307..435e818 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,11 +1,15 @@
-# Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
-.PHONY: test
+.PHONY: test clean
+
+all: test
test:
- sh test_dim_core.sh
- sh test_dim_monitor.sh
+ make -C test_interface/ test
+ make -C test_function/ test
+ make -C test_dfx/ test
clean:
- rm -f log
- make -C test_module/ clean
\ No newline at end of file
+ make -C test_interface/ clean
+ make -C test_function/ clean
+ make -C test_dfx/ clean
\ No newline at end of file
diff --git a/test/README.md b/test/README.md
deleted file mode 100644
index b75f3e6..0000000
--- a/test/README.md
+++ /dev/null
@@ -1,23 +0,0 @@
-# DIM 测试文档
-
-## 1 前置条件
-
-**OS版本支持**：openEuler 23.09以上版本；
-
-**内核版本支持**：当前支持openEuler kernel 5.10/6.4版本；
-
-**注意**：DIM包含内核组件，相关步骤需要以管理员（root）权限运行。
-
-## 2 使用openEuler源进行安装
-```
-yum install dim dim_tools make gcc
-```
-
-## 3 执行测试用例
-```
-cd dim/test/
-sh test/test_dim_core.sh
-sh test/test_monitor_core.sh
-```
-
-**注意**：全量度量功能默认关闭，如有需要，请将用例添加到对应的case_list中
\ No newline at end of file
diff --git a/test/common.sh b/test/common.sh
index a16c564..6772a35 100644
--- a/test/common.sh
+++ b/test/common.sh
@@ -6,8 +6,8 @@ TEST_DEMO_DIR=/opt/dim/demo
TEST_DEMO_BPRM=$TEST_DEMO_DIR/dim_test_demo
TEST_LOG=log
-DIM_CORE_PATH=../src/dim_core.ko
-DIM_MONITOR_PATH=../src/dim_monitor.ko
+DIM_CORE_PATH=../../src/dim_core.ko
+DIM_MONITOR_PATH=../../src/dim_monitor.ko
DIM_BASELINE_DIR_PATH=/etc/dim/digest_list
DIM_POLICY_PATH=/etc/dim/policy
@@ -23,6 +23,22 @@ DIM_TEST_MOD_DEMO_TAMPER_C=$TEST_MODULE_DIR/dim_test_module_demo_tamper.c
TEST_RESULT=0
+check_value_zero() {
+ if [ $1 -ne 0 ]; then
+ echo "failed to check value: $1 == 0, context: $2"
+ TEST_RESULT=1
+ return 1
+ fi
+}
+
+check_value_not_zero() {
+ if [ $1 -eq 0 ]; then
+ echo "failed to check value: $1 != 0, context: $2"
+ TEST_RESULT=1
+ return 1
+ fi
+}
+
dim_core_status() {
cat /sys/kernel/security/dim/runtime_status
}
@@ -64,11 +80,11 @@ remove_dim_modules() {
load_dim_modules () {
remove_dim_modules
- load_dim_core_modules $1
- load_dim_monitor_modules $2
+ load_dim_core_module $1
+ load_dim_monitor_module $2
}
-load_dim_core_modules () {
+load_dim_core_module () {
# load dim_core module
if [ ! $DIM_CORE_PATH ]; then
modprobe dim_core $1
@@ -78,11 +94,11 @@ load_dim_core_modules () {
if [ $? -ne 0 ]; then
echo "fail to load dim_core!"
- exit 1
+ return 1
fi
}
-load_dim_monitor_modules () {
+load_dim_monitor_module () {
# load dim_monitor module
if [ ! $DIM_MONITOR_PATH ]; then
modprobe dim_monitor $1
@@ -92,11 +108,15 @@ load_dim_monitor_modules () {
if [ $? -ne 0 ]; then
echo "fail to load dim_monitor!"
- exit 1
+ return 1
fi
}
dim_backup_baseline_and_policy() {
+ if [ -d $DIM_BASELINE_DIR_PATH.bak ]; then
+ rm -rf $DIM_BASELINE_DIR_PATH.bak
+ fi
+
if [ -d $DIM_BASELINE_DIR_PATH ]; then
mv $DIM_BASELINE_DIR_PATH $DIM_BASELINE_DIR_PATH.bak
fi
@@ -376,15 +396,4 @@ run_dim_core_and_check_log() {
fi
}
-test_pre() {
- mkdir -p $TEST_DEMO_DIR
- gcc dim_test_demo.c -o $TEST_DEMO_DIR/dim_test_demo
- dim_backup_baseline_and_policy
- load_dim_modules
-}
-
-test_post() {
- remove_dim_modules
- dim_restore_baseline_and_policy
-}
diff --git a/test/test_dfx/Makefile b/test/test_dfx/Makefile
new file mode 100644
index 0000000..ed229ae
--- /dev/null
+++ b/test/test_dfx/Makefile
@@ -0,0 +1,11 @@
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+
+.PHONY: test clean
+
+all: test
+
+test:
+ sh test_dim_core_dfx.sh
+
+clean:
+ rm -f log
\ No newline at end of file
diff --git a/test/test_dfx/test_dim_core_dfx.sh b/test/test_dfx/test_dim_core_dfx.sh
new file mode 100644
index 0000000..78deb33
--- /dev/null
+++ b/test/test_dfx/test_dim_core_dfx.sh
@@ -0,0 +1,48 @@
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+#!/bin/bash
+
+. ../common.sh
+
+test_pre() {
+ dim_backup_baseline_and_policy
+ load_dim_core_module
+ dim_gen_baseline_all
+ dim_gen_policy_all
+ TEST_RESULT=0
+}
+
+test_post() {
+ remove_dim_modules
+ dim_restore_baseline_and_policy
+}
+
+test_rmmod_when_baseline() {
+ dim_core_baseline &
+ # try to remove module when doing measurement
+ for i in {1..1000}; do
+ sleep 0.1
+ rmmod dim_core &> /dev/null
+ if [ $? -eq 0 ]; then
+ break
+ fi
+ done
+}
+
+case_list="
+ test_rmmod_when_baseline \
+ "
+
+echo "===== Start testing dim_core DFX ====="
+
+for case in $case_list; do
+ test_pre
+ $case
+ if [ $TEST_RESULT -eq 0 ]; then
+ echo "$case PASS"
+ else
+ echo "$case FAIL"
+ fi
+ test_post
+done
+
+echo "===== End testing dim_core DFX ====="
\ No newline at end of file
diff --git a/test/test_dim_monitor.sh b/test/test_dim_monitor.sh
deleted file mode 100644
index b4a1ea8..0000000
--- a/test/test_dim_monitor.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-# Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
-#!/bin/bash
-
-. ./common.sh
-
-test_measure_monitor_normal() {
- dim_gen_baseline_all
- dim_gen_policy_all
- check_dim_core_log_normal
- check_dim_monitor_log_normal
-}
-
-test_measure_monitor_tamper() {
- test_measure_monitor_normal
- check_dim_monitor_log_tampered
-}
-
-# Full measurement. The test is disabled by default.
-# case_list="test_measure_monitor_normal \
-# test_measure_monitor_tamper"
-case_list=""
-
-for case in $case_list; do
- test_pre
- $case
- if [ $TEST_RESULT -eq 0 ]; then
- echo "$case PASS"
- else
- echo "$case FAIL"
- fi
- test_post
-done
diff --git a/test/test_function/Makefile b/test/test_function/Makefile
new file mode 100644
index 0000000..2d792cd
--- /dev/null
+++ b/test/test_function/Makefile
@@ -0,0 +1,11 @@
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+
+.PHONY: test clean
+
+test:
+ sh test_dim_core.sh
+ sh test_dim_monitor.sh
+
+clean:
+ rm -f log
+ make -C test_module/ clean
\ No newline at end of file
diff --git a/test/dim_test_demo.c b/test/test_function/dim_test_demo.c
similarity index 64%
rename from test/dim_test_demo.c
rename to test/test_function/dim_test_demo.c
index 113fc3d..5312d6d 100644
--- a/test/dim_test_demo.c
+++ b/test/test_function/dim_test_demo.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+ * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
*/
#include <stdio.h>
diff --git a/test/dim_test_demo_tamper.c b/test/test_function/dim_test_demo_tamper.c
similarity index 68%
rename from test/dim_test_demo_tamper.c
rename to test/test_function/dim_test_demo_tamper.c
index 7f95775..40cae5d 100644
--- a/test/dim_test_demo_tamper.c
+++ b/test/test_function/dim_test_demo_tamper.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+ * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
*/
#include <stdio.h>
diff --git a/test/test_dim_core.sh b/test/test_function/test_dim_core.sh
similarity index 85%
rename from test/test_dim_core.sh
rename to test/test_function/test_dim_core.sh
index 8d707cc..6ee5038 100644
--- a/test/test_dim_core.sh
+++ b/test/test_function/test_dim_core.sh
@@ -1,7 +1,19 @@
-# Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
#!/bin/bash
-. ./common.sh
+. ../common.sh
+
+test_pre() {
+ mkdir -p $TEST_DEMO_DIR
+ gcc dim_test_demo.c -o $TEST_DEMO_DIR/dim_test_demo
+ dim_backup_baseline_and_policy
+ load_dim_modules
+}
+
+test_post() {
+ remove_dim_modules
+ dim_restore_baseline_and_policy
+}
test_measure_bprm_text_normal() {
gen_dim_test_demo
@@ -118,11 +130,13 @@ test_invalid_policy() {
done &>> $TEST_LOG
}
-# Full measurement. The test is disabled by default.
-# test_measure_all_text_normal \
-# test_measure_all_text_normal_sm3 \
-# test_measure_all_text_normal_sign \
-case_list="test_measure_bprm_text_normal \
+# The following testcases are disabled by default:
+# test_measure_all_text_normal
+# test_measure_all_text_normal_sm3
+# test_measure_all_text_normal_sign
+
+case_list="
+ test_measure_bprm_text_normal \
test_measure_bprm_text_no_baseline \
test_measure_bprm_text_tamper_1 \
test_measure_bprm_text_tamper_2 \
@@ -130,7 +144,10 @@ case_list="test_measure_bprm_text_normal \
test_measure_module_text_no_baseline \
test_measure_module_text_tamper \
test_measure_kernel_normal \
- test_invalid_policy"
+ test_invalid_policy \
+ "
+
+echo "===== Start testing dim_core function ====="
for case in $case_list; do
test_pre
@@ -143,3 +160,4 @@ for case in $case_list; do
test_post
done
+echo "===== End testing dim_core function ====="
\ No newline at end of file
diff --git a/test/test_function/test_dim_monitor.sh b/test/test_function/test_dim_monitor.sh
new file mode 100644
index 0000000..2f9319b
--- /dev/null
+++ b/test/test_function/test_dim_monitor.sh
@@ -0,0 +1,47 @@
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+#!/bin/bash
+
+. ../common.sh
+
+test_pre() {
+ dim_backup_baseline_and_policy
+ load_dim_modules
+}
+
+test_post() {
+ remove_dim_modules
+ dim_restore_baseline_and_policy
+}
+
+test_measure_monitor_normal() {
+ dim_gen_baseline_all
+ dim_gen_policy_all
+ check_dim_core_log_normal
+ check_dim_monitor_log_normal
+}
+
+test_measure_monitor_tamper() {
+ test_measure_monitor_normal
+ check_dim_monitor_log_tampered
+}
+
+# The following testcases are disabled by default:
+# test_measure_monitor_normal
+# test_measure_monitor_tamper
+
+case_list=""
+
+echo "===== Start testing dim_monitor function ====="
+
+for case in $case_list; do
+ test_pre
+ $case
+ if [ $TEST_RESULT -eq 0 ]; then
+ echo "$case PASS"
+ else
+ echo "$case FAIL"
+ fi
+ test_post
+done
+
+echo "===== End testing dim_monitor function ====="
\ No newline at end of file
diff --git a/test/test_module/Makefile b/test/test_function/test_module/Makefile
similarity index 68%
rename from test/test_module/Makefile
rename to test/test_function/test_module/Makefile
index 240e73e..e3e945b 100644
--- a/test/test_module/Makefile
+++ b/test/test_function/test_module/Makefile
@@ -1,4 +1,4 @@
-# Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
obj-m := dim_test_module_demo.o
diff --git a/test/test_module/dim_test_module_demo.c b/test/test_function/test_module/dim_test_module_demo.c
similarity index 80%
rename from test/test_module/dim_test_module_demo.c
rename to test/test_function/test_module/dim_test_module_demo.c
index 3303365..f1a2ca7 100644
--- a/test/test_module/dim_test_module_demo.c
+++ b/test/test_function/test_module/dim_test_module_demo.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+ * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
*/
#include <linux/module.h>
diff --git a/test/test_module/dim_test_module_demo_tamper.c b/test/test_function/test_module/dim_test_module_demo_tamper.c
similarity index 82%
rename from test/test_module/dim_test_module_demo_tamper.c
rename to test/test_function/test_module/dim_test_module_demo_tamper.c
index c443d7b..25cb6f2 100644
--- a/test/test_module/dim_test_module_demo_tamper.c
+++ b/test/test_function/test_module/dim_test_module_demo_tamper.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved.
+ * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
*/
#include <linux/module.h>
diff --git a/test/test_interface/Makefile b/test/test_interface/Makefile
new file mode 100644
index 0000000..0c41839
--- /dev/null
+++ b/test/test_interface/Makefile
@@ -0,0 +1,12 @@
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+
+.PHONY: test clean
+
+all: test
+
+test:
+ sh test_dim_core_modparam.sh
+ sh test_dim_monitor_modparam.sh
+
+clean:
+ rm -f log
\ No newline at end of file
diff --git a/test/test_interface/test_dim_core_modparam.sh b/test/test_interface/test_dim_core_modparam.sh
new file mode 100644
index 0000000..67cd815
--- /dev/null
+++ b/test/test_interface/test_dim_core_modparam.sh
@@ -0,0 +1,116 @@
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+#!/bin/bash
+
+. ../common.sh
+
+test_pre() {
+ TEST_RESULT=0
+}
+
+check_valid_module_param()
+{
+ remove_dim_modules
+ load_dim_core_module $1 &> /dev/null
+ check_value_zero $? $1
+ remove_dim_modules
+}
+
+check_invalid_module_param()
+{
+ remove_dim_modules
+ load_dim_core_module $1 &> /dev/null
+ check_value_not_zero $? $1
+ remove_dim_modules
+}
+
+test_module_param_measure_hash()
+{
+ check_valid_module_param measure_hash=sha256
+ check_valid_module_param measure_hash=sm3
+ check_invalid_module_param measure_hash=md5
+ check_invalid_module_param measure_hash=abc
+}
+
+test_module_param_measure_pcr()
+{
+ check_valid_module_param measure_pcr=0
+ check_valid_module_param measure_pcr=1
+ check_valid_module_param measure_pcr=11
+ check_valid_module_param measure_pcr=127
+ check_invalid_module_param measure_pcr=128
+ check_invalid_module_param measure_pcr=-1
+ check_invalid_module_param measure_pcr=abc
+}
+
+test_module_param_measure_schedule()
+{
+ check_valid_module_param measure_schedule=0
+ check_valid_module_param measure_schedule=50
+ check_valid_module_param measure_schedule=1000
+ check_invalid_module_param measure_schedule=-1
+ check_invalid_module_param measure_schedule=abc
+ check_invalid_module_param measure_schedule=1001
+}
+
+test_module_param_measure_interval()
+{
+ dim_backup_baseline_and_policy
+ dim_gen_policy_bprm_path /usr/bin/bash
+ dim_gen_baseline_file /usr/bin/bash test.hash
+ check_valid_module_param measure_interval=0
+ check_valid_module_param measure_interval=1000
+ check_valid_module_param measure_interval=525600
+ check_invalid_module_param measure_interval=-1
+ check_invalid_module_param measure_interval=abc
+ # check_invalid_module_param measure_interval=525601
+ dim_restore_baseline_and_policy
+}
+
+test_module_param_measure_action()
+{
+ check_valid_module_param measure_action=0
+ check_valid_module_param measure_action=1
+ check_invalid_module_param measure_action=abc
+}
+
+test_module_param_signature()
+{
+ check_valid_module_param signature=0
+ check_valid_module_param signature=1
+ check_invalid_module_param signature=abc
+}
+
+test_module_param_measure_log_capacity()
+{
+ check_valid_module_param measure_log_capacity=100
+ check_valid_module_param measure_log_capacity=10000
+ check_valid_module_param measure_log_capacity=4294967295
+ check_invalid_module_param measure_log_capacity=99
+ check_invalid_module_param measure_log_capacity=0
+ check_invalid_module_param measure_log_capacity=4294967296
+ check_invalid_module_param measure_log_capacity=abc
+}
+
+case_list="
+ test_module_param_measure_hash \
+ test_module_param_measure_pcr \
+ test_module_param_measure_schedule \
+ test_module_param_measure_interval \
+ test_module_param_measure_action \
+ test_module_param_signature \
+ test_module_param_measure_log_capacity \
+ "
+
+echo "===== Start testing dim_core module parameters ====="
+
+for case in $case_list; do
+ test_pre
+ $case
+ if [ $TEST_RESULT -eq 0 ]; then
+ echo "$case PASS"
+ else
+ echo "$case FAIL"
+ fi
+done
+
+echo "===== End testing dim_core module parameters ====="
\ No newline at end of file
diff --git a/test/test_interface/test_dim_monitor_modparam.sh b/test/test_interface/test_dim_monitor_modparam.sh
new file mode 100644
index 0000000..1aaedf1
--- /dev/null
+++ b/test/test_interface/test_dim_monitor_modparam.sh
@@ -0,0 +1,79 @@
+# Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+#!/bin/bash
+
+. ../common.sh
+
+test_pre() {
+ remove_dim_modules
+ load_dim_core_module
+ TEST_RESULT=0
+}
+
+test_post() {
+ remove_dim_modules
+}
+
+check_valid_module_param()
+{
+ load_dim_monitor_module $1 &> /dev/null
+ check_value_zero $? $1
+ rmmod dim_monitor &> /dev/null
+}
+
+check_invalid_module_param()
+{
+ load_dim_monitor_module $1 &> /dev/null
+ check_value_not_zero $? $1
+ rmmod dim_monitor &> /dev/null
+}
+
+test_module_param_measure_hash()
+{
+ check_valid_module_param measure_hash=sha256
+ check_valid_module_param measure_hash=sm3
+ check_invalid_module_param measure_hash=md5
+ check_invalid_module_param measure_hash=abc
+}
+
+test_module_param_measure_pcr()
+{
+ check_valid_module_param measure_pcr=0
+ check_valid_module_param measure_pcr=1
+ check_valid_module_param measure_pcr=11
+ check_valid_module_param measure_pcr=127
+ check_invalid_module_param measure_pcr=128
+ check_invalid_module_param measure_pcr=-1
+ check_invalid_module_param measure_pcr=abc
+}
+
+test_module_param_measure_log_capacity()
+{
+ check_valid_module_param measure_log_capacity=100
+ check_valid_module_param measure_log_capacity=10000
+ check_valid_module_param measure_log_capacity=4294967295
+ check_invalid_module_param measure_log_capacity=99
+ check_invalid_module_param measure_log_capacity=0
+ check_invalid_module_param measure_log_capacity=4294967296
+ check_invalid_module_param measure_log_capacity=abc
+}
+
+
+case_list="
+ test_module_param_measure_hash \
+ test_module_param_measure_pcr \
+ test_module_param_measure_log_capacity \
+ "
+
+echo "===== Start testing dim_monitor module parameters ====="
+
+for case in $case_list; do
+ test_pre
+ $case
+ if [ $TEST_RESULT -eq 0 ]; then
+ echo "$case PASS"
+ else
+ echo "$case FAIL"
+ fi
+done
+
+echo "===== End testing dim_monitor module parameters ====="
\ No newline at end of file
--
2.33.0
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