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-rwxr-xr-xtools/testing/selftests/bpf/ima_setup.sh24
1 files changed, 23 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/ima_setup.sh b/tools/testing/selftests/bpf/ima_setup.sh
index 8e62581113a3..a3de1cd43ba0 100755
--- a/tools/testing/selftests/bpf/ima_setup.sh
+++ b/tools/testing/selftests/bpf/ima_setup.sh
@@ -12,7 +12,7 @@ LOG_FILE="$(mktemp /tmp/ima_setup.XXXX.log)"
usage()
{
- echo "Usage: $0 <setup|cleanup|run> <existing_tmp_dir>"
+ echo "Usage: $0 <setup|cleanup|run|modify-bin|restore-bin> <existing_tmp_dir>"
exit 1
}
@@ -77,6 +77,24 @@ run()
exec "${copied_bin_path}"
}
+modify_bin()
+{
+ local tmp_dir="$1"
+ local mount_dir="${tmp_dir}/mnt"
+ local copied_bin_path="${mount_dir}/$(basename ${TEST_BINARY})"
+
+ echo "mod" >> "${copied_bin_path}"
+}
+
+restore_bin()
+{
+ local tmp_dir="$1"
+ local mount_dir="${tmp_dir}/mnt"
+ local copied_bin_path="${mount_dir}/$(basename ${TEST_BINARY})"
+
+ truncate -s -4 "${copied_bin_path}"
+}
+
catch()
{
local exit_code="$1"
@@ -105,6 +123,10 @@ main()
cleanup "${tmp_dir}"
elif [[ "${action}" == "run" ]]; then
run "${tmp_dir}"
+ elif [[ "${action}" == "modify-bin" ]]; then
+ modify_bin "${tmp_dir}"
+ elif [[ "${action}" == "restore-bin" ]]; then
+ restore_bin "${tmp_dir}"
else
echo "Unknown action: ${action}"
exit 1