diff options
Diffstat (limited to '')
| -rwxr-xr-x | tools/testing/selftests/efivarfs/efivarfs.sh | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/tools/testing/selftests/efivarfs/efivarfs.sh b/tools/testing/selftests/efivarfs/efivarfs.sh new file mode 100755 index 000000000..d374878cc --- /dev/null +++ b/tools/testing/selftests/efivarfs/efivarfs.sh @@ -0,0 +1,218 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +efivarfs_mount=/sys/firmware/efi/efivars +test_guid=210be57c-9849-4fc7-a635-e6382d1aec27 + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +file_cleanup() +{ + chattr -i $1 + rm -f $1 +} + +check_prereqs() +{ + local msg="skip all tests:" + + if [ $UID != 0 ]; then + echo $msg must be run as root >&2 + exit $ksft_skip + fi + + if ! grep -q "^\S\+ $efivarfs_mount efivarfs" /proc/mounts; then + echo $msg efivarfs is not mounted on $efivarfs_mount >&2 + exit $ksft_skip + fi +} + +run_test() +{ + local test="$1" + + echo "--------------------" + echo "running $test" + echo "--------------------" + + if [ "$(type -t $test)" = 'function' ]; then + ( $test ) + else + ( ./$test ) + fi + + if [ $? -ne 0 ]; then + echo " [FAIL]" + rc=1 + else + echo " [PASS]" + fi +} + +test_create() +{ + local attrs='\x07\x00\x00\x00' + local file=$efivarfs_mount/$FUNCNAME-$test_guid + + printf "$attrs\x00" > $file + + if [ ! -e $file ]; then + echo "$file couldn't be created" >&2 + exit 1 + fi + + if [ $(stat -c %s $file) -ne 5 ]; then + echo "$file has invalid size" >&2 + file_cleanup $file + exit 1 + fi + file_cleanup $file +} + +test_create_empty() +{ + local file=$efivarfs_mount/$FUNCNAME-$test_guid + + : > $file + + if [ ! -e $file ]; then + echo "$file can not be created without writing" >&2 + exit 1 + fi + file_cleanup $file +} + +test_create_read() +{ + local file=$efivarfs_mount/$FUNCNAME-$test_guid + ./create-read $file + if [ $? -ne 0 ]; then + echo "create and read $file failed" + file_cleanup $file + exit 1 + fi + file_cleanup $file +} + +test_delete() +{ + local attrs='\x07\x00\x00\x00' + local file=$efivarfs_mount/$FUNCNAME-$test_guid + + printf "$attrs\x00" > $file + + if [ ! -e $file ]; then + echo "$file couldn't be created" >&2 + exit 1 + fi + + file_cleanup $file + + if [ -e $file ]; then + echo "$file couldn't be deleted" >&2 + exit 1 + fi + +} + +# test that we can remove a variable by issuing a write with only +# attributes specified +test_zero_size_delete() +{ + local attrs='\x07\x00\x00\x00' + local file=$efivarfs_mount/$FUNCNAME-$test_guid + + printf "$attrs\x00" > $file + + if [ ! -e $file ]; then + echo "$file does not exist" >&2 + exit 1 + fi + + chattr -i $file + printf "$attrs" > $file + + if [ -e $file ]; then + echo "$file should have been deleted" >&2 + exit 1 + fi +} + +test_open_unlink() +{ + local file=$efivarfs_mount/$FUNCNAME-$test_guid + ./open-unlink $file +} + +# test that we can create a range of filenames +test_valid_filenames() +{ + local attrs='\x07\x00\x00\x00' + local ret=0 + + local file_list="abc dump-type0-11-1-1362436005 1234 -" + for f in $file_list; do + local file=$efivarfs_mount/$f-$test_guid + + printf "$attrs\x00" > $file + + if [ ! -e $file ]; then + echo "$file could not be created" >&2 + ret=1 + else + file_cleanup $file + fi + done + + exit $ret +} + +test_invalid_filenames() +{ + local attrs='\x07\x00\x00\x00' + local ret=0 + + local file_list=" + -1234-1234-1234-123456789abc + foo + foo-bar + -foo- + foo-barbazba-foob-foob-foob-foobarbazfoo + foo------------------------------------- + -12345678-1234-1234-1234-123456789abc + a-12345678=1234-1234-1234-123456789abc + a-12345678-1234=1234-1234-123456789abc + a-12345678-1234-1234=1234-123456789abc + a-12345678-1234-1234-1234=123456789abc + 1112345678-1234-1234-1234-123456789abc" + + for f in $file_list; do + local file=$efivarfs_mount/$f + + printf "$attrs\x00" 2>/dev/null > $file + + if [ -e $file ]; then + echo "Creating $file should have failed" >&2 + file_cleanup $file + ret=1 + fi + done + + exit $ret +} + +check_prereqs + +rc=0 + +run_test test_create +run_test test_create_empty +run_test test_create_read +run_test test_delete +run_test test_zero_size_delete +run_test test_open_unlink +run_test test_valid_filenames +run_test test_invalid_filenames + +exit $rc |