1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4efivarfs_mount=/sys/firmware/efi/efivars 5test_guid=210be57c-9849-4fc7-a635-e6382d1aec27 6 7# Kselftest framework requirement - SKIP code is 4. 8ksft_skip=4 9 10file_cleanup() 11{ 12 chattr -i $1 13 rm -f $1 14} 15 16check_prereqs() 17{ 18 local msg="skip all tests:" 19 20 if [ $UID != 0 ]; then 21 echo $msg must be run as root >&2 22 exit $ksft_skip 23 fi 24 25 if ! grep -q "^\S\+ $efivarfs_mount efivarfs" /proc/mounts; then 26 echo $msg efivarfs is not mounted on $efivarfs_mount >&2 27 exit $ksft_skip 28 fi 29} 30 31run_test() 32{ 33 local test="$1" 34 35 echo "--------------------" 36 echo "running $test" 37 echo "--------------------" 38 39 if [ "$(type -t $test)" = 'function' ]; then 40 ( $test ) 41 else 42 ( ./$test ) 43 fi 44 45 if [ $? -ne 0 ]; then 46 echo " [FAIL]" 47 rc=1 48 else 49 echo " [PASS]" 50 fi 51} 52 53test_create() 54{ 55 local attrs='\x07\x00\x00\x00' 56 local file=$efivarfs_mount/$FUNCNAME-$test_guid 57 58 printf "$attrs\x00" > $file 59 60 if [ ! -e $file ]; then 61 echo "$file couldn't be created" >&2 62 exit 1 63 fi 64 65 if [ $(stat -c %s $file) -ne 5 ]; then 66 echo "$file has invalid size" >&2 67 file_cleanup $file 68 exit 1 69 fi 70 file_cleanup $file 71} 72 73test_create_empty() 74{ 75 local file=$efivarfs_mount/$FUNCNAME-$test_guid 76 77 : > $file 78 79 if [ ! -e $file ]; then 80 echo "$file can not be created without writing" >&2 81 exit 1 82 fi 83 file_cleanup $file 84} 85 86test_create_read() 87{ 88 local file=$efivarfs_mount/$FUNCNAME-$test_guid 89 ./create-read $file 90 if [ $? -ne 0 ]; then 91 echo "create and read $file failed" 92 file_cleanup $file 93 exit 1 94 fi 95 file_cleanup $file 96} 97 98test_delete() 99{ 100 local attrs='\x07\x00\x00\x00' 101 local file=$efivarfs_mount/$FUNCNAME-$test_guid 102 103 printf "$attrs\x00" > $file 104 105 if [ ! -e $file ]; then 106 echo "$file couldn't be created" >&2 107 exit 1 108 fi 109 110 file_cleanup $file 111 112 if [ -e $file ]; then 113 echo "$file couldn't be deleted" >&2 114 exit 1 115 fi 116 117} 118 119# test that we can remove a variable by issuing a write with only 120# attributes specified 121test_zero_size_delete() 122{ 123 local attrs='\x07\x00\x00\x00' 124 local file=$efivarfs_mount/$FUNCNAME-$test_guid 125 126 printf "$attrs\x00" > $file 127 128 if [ ! -e $file ]; then 129 echo "$file does not exist" >&2 130 exit 1 131 fi 132 133 chattr -i $file 134 printf "$attrs" > $file 135 136 if [ -e $file ]; then 137 echo "$file should have been deleted" >&2 138 exit 1 139 fi 140} 141 142test_open_unlink() 143{ 144 local file=$efivarfs_mount/$FUNCNAME-$test_guid 145 ./open-unlink $file 146} 147 148# test that we can create a range of filenames 149test_valid_filenames() 150{ 151 local attrs='\x07\x00\x00\x00' 152 local ret=0 153 154 local file_list="abc dump-type0-11-1-1362436005 1234 -" 155 for f in $file_list; do 156 local file=$efivarfs_mount/$f-$test_guid 157 158 printf "$attrs\x00" > $file 159 160 if [ ! -e $file ]; then 161 echo "$file could not be created" >&2 162 ret=1 163 else 164 file_cleanup $file 165 fi 166 done 167 168 exit $ret 169} 170 171test_invalid_filenames() 172{ 173 local attrs='\x07\x00\x00\x00' 174 local ret=0 175 176 local file_list=" 177 -1234-1234-1234-123456789abc 178 foo 179 foo-bar 180 -foo- 181 foo-barbazba-foob-foob-foob-foobarbazfoo 182 foo------------------------------------- 183 -12345678-1234-1234-1234-123456789abc 184 a-12345678=1234-1234-1234-123456789abc 185 a-12345678-1234=1234-1234-123456789abc 186 a-12345678-1234-1234=1234-123456789abc 187 a-12345678-1234-1234-1234=123456789abc 188 1112345678-1234-1234-1234-123456789abc" 189 190 for f in $file_list; do 191 local file=$efivarfs_mount/$f 192 193 printf "$attrs\x00" 2>/dev/null > $file 194 195 if [ -e $file ]; then 196 echo "Creating $file should have failed" >&2 197 file_cleanup $file 198 ret=1 199 fi 200 done 201 202 exit $ret 203} 204 205check_prereqs 206 207rc=0 208 209run_test test_create 210run_test test_create_empty 211run_test test_create_read 212run_test test_delete 213run_test test_zero_size_delete 214run_test test_open_unlink 215run_test test_valid_filenames 216run_test test_invalid_filenames 217 218exit $rc 219