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 file_cleanup $file 91} 92 93test_delete() 94{ 95 local attrs='\x07\x00\x00\x00' 96 local file=$efivarfs_mount/$FUNCNAME-$test_guid 97 98 printf "$attrs\x00" > $file 99 100 if [ ! -e $file ]; then 101 echo "$file couldn't be created" >&2 102 exit 1 103 fi 104 105 file_cleanup $file 106 107 if [ -e $file ]; then 108 echo "$file couldn't be deleted" >&2 109 exit 1 110 fi 111 112} 113 114# test that we can remove a variable by issuing a write with only 115# attributes specified 116test_zero_size_delete() 117{ 118 local attrs='\x07\x00\x00\x00' 119 local file=$efivarfs_mount/$FUNCNAME-$test_guid 120 121 printf "$attrs\x00" > $file 122 123 if [ ! -e $file ]; then 124 echo "$file does not exist" >&2 125 exit 1 126 fi 127 128 chattr -i $file 129 printf "$attrs" > $file 130 131 if [ -e $file ]; then 132 echo "$file should have been deleted" >&2 133 exit 1 134 fi 135} 136 137test_open_unlink() 138{ 139 local file=$efivarfs_mount/$FUNCNAME-$test_guid 140 ./open-unlink $file 141} 142 143# test that we can create a range of filenames 144test_valid_filenames() 145{ 146 local attrs='\x07\x00\x00\x00' 147 local ret=0 148 149 local file_list="abc dump-type0-11-1-1362436005 1234 -" 150 for f in $file_list; do 151 local file=$efivarfs_mount/$f-$test_guid 152 153 printf "$attrs\x00" > $file 154 155 if [ ! -e $file ]; then 156 echo "$file could not be created" >&2 157 ret=1 158 else 159 file_cleanup $file 160 fi 161 done 162 163 exit $ret 164} 165 166test_invalid_filenames() 167{ 168 local attrs='\x07\x00\x00\x00' 169 local ret=0 170 171 local file_list=" 172 -1234-1234-1234-123456789abc 173 foo 174 foo-bar 175 -foo- 176 foo-barbazba-foob-foob-foob-foobarbazfoo 177 foo------------------------------------- 178 -12345678-1234-1234-1234-123456789abc 179 a-12345678=1234-1234-1234-123456789abc 180 a-12345678-1234=1234-1234-123456789abc 181 a-12345678-1234-1234=1234-123456789abc 182 a-12345678-1234-1234-1234=123456789abc 183 1112345678-1234-1234-1234-123456789abc" 184 185 for f in $file_list; do 186 local file=$efivarfs_mount/$f 187 188 printf "$attrs\x00" 2>/dev/null > $file 189 190 if [ -e $file ]; then 191 echo "Creating $file should have failed" >&2 192 file_cleanup $file 193 ret=1 194 fi 195 done 196 197 exit $ret 198} 199 200check_prereqs 201 202rc=0 203 204run_test test_create 205run_test test_create_empty 206run_test test_create_read 207run_test test_delete 208run_test test_zero_size_delete 209run_test test_open_unlink 210run_test test_valid_filenames 211run_test test_invalid_filenames 212 213exit $rc 214