1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0+ 3# 4# (C) Copyright 2014 Suriyan Ramasami 5 6# Invoke this test script from U-Boot base directory as ./test/fs/fs-test.sh 7# It currently tests the fs/sb and native commands for ext4 and fat partitions 8# Expected results are as follows: 9# EXT4 tests: 10# fs-test.sb.ext4.out: Summary: PASS: 24 FAIL: 0 11# fs-test.ext4.out: Summary: PASS: 24 FAIL: 0 12# fs-test.fs.ext4.out: Summary: PASS: 24 FAIL: 0 13# FAT16 tests: 14# fs-test.sb.fat16.out: Summary: PASS: 24 FAIL: 0 15# fs-test.fat16.out: Summary: PASS: 21 FAIL: 3 16# fs-test.fs.fat16.out: Summary: PASS: 21 FAIL: 3 17# FAT32 tests: 18# fs-test.sb.fat32.out: Summary: PASS: 24 FAIL: 0 19# fs-test.fat32.out: Summary: PASS: 21 FAIL: 3 20# fs-test.fs.fat32.out: Summary: PASS: 21 FAIL: 3 21# Total Summary: TOTAL PASS: 204 TOTAL FAIL: 12 22 23# pre-requisite binaries list. 24PREREQ_BINS="md5sum mkfs mount umount dd fallocate mkdir" 25 26# All generated output files from this test will be in $OUT_DIR 27# Hence everything is sandboxed. 28OUT_DIR="sandbox/test/fs" 29 30# Location of generated sandbox u-boot 31UBOOT="./sandbox/u-boot" 32 33# Our mount directory will be in the sandbox 34MOUNT_DIR="${OUT_DIR}/mnt" 35 36# The file system image we create will have the $IMG prefix. 37IMG="${OUT_DIR}/3GB" 38 39# $SMALL_FILE is the name of the 1MB file in the file system image 40SMALL_FILE="1MB.file" 41 42# $BIG_FILE is the name of the 2.5GB file in the file system image 43BIG_FILE="2.5GB.file" 44 45# $MD5_FILE will have the expected md5s when we do the test 46# They shall have a suffix which represents their file system (ext4/fat16/...) 47MD5_FILE="${OUT_DIR}/md5s.list" 48 49# $OUT shall be the prefix of the test output. Their suffix will be .out 50OUT="${OUT_DIR}/fs-test" 51 52# Full Path of the 1 MB file that shall be created in the fs image. 53MB1="${MOUNT_DIR}/${SMALL_FILE}" 54GB2p5="${MOUNT_DIR}/${BIG_FILE}" 55 56# ************************ 57# * Functions start here * 58# ************************ 59 60# Check if the prereq binaries exist, or exit 61function check_prereq() { 62 for prereq in $PREREQ_BINS; do 63 if [ ! -x "`which $prereq`" ]; then 64 echo "Missing $prereq binary. Exiting!" 65 exit 66 fi 67 done 68 69 # We use /dev/urandom to create files. Check if it exists. 70 if [ ! -c /dev/urandom ]; then 71 echo "Missing character special /dev/urandom. Exiting!" 72 exit 73 fi 74} 75 76# If 1st param is "clean", then clean out the generated files and exit 77function check_clean() { 78 if [ "$1" = "clean" ]; then 79 rm -rf "$OUT_DIR" 80 echo "Cleaned up generated files. Exiting" 81 exit 82 fi 83} 84 85# Generate sandbox U-Boot - gleaned from /test/dm/test-dm.sh 86function compile_sandbox() { 87 unset CROSS_COMPILE 88 NUM_CPUS=$(cat /proc/cpuinfo |grep -c processor) 89 make O=sandbox sandbox_config 90 make O=sandbox -s -j${NUM_CPUS} 91 92 # Check if U-Boot exists 93 if [ ! -x "$UBOOT" ]; then 94 echo "$UBOOT does not exist or is not executable" 95 echo "Build error?" 96 echo "Please run this script as ./test/fs/`basename $0`" 97 exit 98 fi 99} 100 101# Clean out all generated files other than the file system images 102# We save time by not deleting and recreating the file system images 103function prepare_env() { 104 rm -f ${MD5_FILE}.* ${OUT}.* 105 mkdir -p ${OUT_DIR} 106} 107 108# 1st parameter is the name of the image file to be created 109# 2nd parameter is the filesystem - fat16 ext4 etc 110# -F cant be used with fat as it means something else. 111function create_image() { 112 # Create image if not already present - saves time, while debugging 113 case "$2" in 114 fat16) 115 MKFS_OPTION="-F 16" 116 FS_TYPE="fat" 117 ;; 118 fat32) 119 MKFS_OPTION="-F 32" 120 FS_TYPE="fat" 121 ;; 122 ext4) 123 MKFS_OPTION="-F" 124 FS_TYPE="ext4" 125 ;; 126 esac 127 128 if [ ! -f "$1" ]; then 129 fallocate -l 3G "$1" &> /dev/null 130 if [ $? -ne 0 ]; then 131 echo fallocate failed - using dd instead 132 dd if=/dev/zero of=$1 bs=1024 count=$((3 * 1024 * 1024)) 133 if [ $? -ne 0 ]; then 134 echo Could not create empty disk image 135 exit $? 136 fi 137 fi 138 mkfs -t "$FS_TYPE" $MKFS_OPTION "$1" &> /dev/null 139 if [ $? -ne 0 -a "$FS_TYPE" = "fat" ]; then 140 # If we fail and we did fat, try vfat. 141 mkfs -t vfat $MKFS_OPTION "$1" &> /dev/null 142 fi 143 if [ $? -ne 0 ]; then 144 echo Could not create filesystem 145 exit $? 146 fi 147 fi 148} 149 150# 1st parameter is image file 151# 2nd parameter is file system type - fat16/ext4/... 152# 3rd parameter is name of small file 153# 4th parameter is name of big file 154# 5th parameter is fs/nonfs/sb - to dictate generic fs commands or 155# otherwise or sb hostfs 156# 6th parameter is the directory path for the files. Its "" for generic 157# fs and ext4/fat and full patch for sb hostfs 158# UBOOT is set in env 159function test_image() { 160 addr="0x01000008" 161 length="0x00100000" 162 163 case "$2" in 164 fat*) 165 FPATH="" 166 PREFIX="fat" 167 WRITE="write" 168 ;; 169 170 ext4) 171 # ext4 needs absolute path 172 FPATH="/" 173 PREFIX="ext4" 174 WRITE="write" 175 ;; 176 177 *) 178 echo "Unhandled filesystem $2. Exiting!" 179 exit 180 ;; 181 esac 182 183 case "$5" in 184 fs) 185 PREFIX="" 186 WRITE="save" 187 SUFFIX=" 0:0" 188 ;; 189 190 nonfs) 191 SUFFIX=" 0:0" 192 ;; 193 194 sb) 195 PREFIX="sb " 196 WRITE="save" 197 SUFFIX="fs -" 198 ;; 199 200 *) 201 echo "Unhandled mode $5. Exiting!" 202 exit 203 ;; 204 205 esac 206 207 # sb always uses full path to mointpoint, irrespective of filesystem 208 if [ "$5" = "sb" ]; then 209 FPATH=${6}/ 210 fi 211 212 FILE_WRITE=${3}.w 213 FILE_SMALL=$3 214 FILE_BIG=$4 215 216 # In u-boot commands, <interface> stands for host or hostfs 217 # hostfs maps to the host fs. 218 # host maps to the "sb bind" that we do 219 220 $UBOOT << EOF 221sb=$5 222setenv bind 'if test "\$sb" != sb; then sb bind 0 "$1"; fi' 223run bind 224# Test Case 1 - ls 225${PREFIX}ls host${SUFFIX} $6 226# 227# We want ${PREFIX}size host 0:0 $3 for host commands and 228# sb size hostfs - $3 for hostfs commands. 229# 1MB is 0x0010 0000 230# Test Case 2a - size of small file 231${PREFIX}size host${SUFFIX} ${FPATH}$FILE_SMALL 232printenv filesize 233setenv filesize 234# Test Case 2b - size of small file via a path using '..' 235${PREFIX}size host${SUFFIX} ${FPATH}SUBDIR/../$FILE_SMALL 236printenv filesize 237setenv filesize 238 239# 2.5GB (1024*1024*2500) is 0x9C40 0000 240# Test Case 3 - size of big file 241${PREFIX}size host${SUFFIX} ${FPATH}$FILE_BIG 242printenv filesize 243setenv filesize 244 245# Notes about load operation 246# If I use 0x01000000 I get DMA misaligned error message 247# Last two parameters are size and offset. 248 249# Test Case 4a - Read full 1MB of small file 250${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_SMALL 251printenv filesize 252# Test Case 4b - Read full 1MB of small file 253md5sum $addr \$filesize 254setenv filesize 255 256# Test Case 5a - First 1MB of big file 257${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x0 258printenv filesize 259# Test Case 5b - First 1MB of big file 260md5sum $addr \$filesize 261setenv filesize 262 263# fails for ext as no offset support 264# Test Case 6a - Last 1MB of big file 265${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x9C300000 266printenv filesize 267# Test Case 6b - Last 1MB of big file 268md5sum $addr \$filesize 269setenv filesize 270 271# fails for ext as no offset support 272# Test Case 7a - One from the last 1MB chunk of 2GB 273${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x7FF00000 274printenv filesize 275# Test Case 7b - One from the last 1MB chunk of 2GB 276md5sum $addr \$filesize 277setenv filesize 278 279# fails for ext as no offset support 280# Test Case 8a - One from the start 1MB chunk from 2GB 281${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x80000000 282printenv filesize 283# Test Case 8b - One from the start 1MB chunk from 2GB 284md5sum $addr \$filesize 285setenv filesize 286 287# fails for ext as no offset support 288# Test Case 9a - One 1MB chunk crossing the 2GB boundary 289${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x7FF80000 290printenv filesize 291# Test Case 9b - One 1MB chunk crossing the 2GB boundary 292md5sum $addr \$filesize 293setenv filesize 294 295# Generic failure case 296# Test Case 10 - 2MB chunk from the last 1MB of big file 297${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG 0x00200000 0x9C300000 298printenv filesize 299# 300 301# Read 1MB from small file 302${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_SMALL 303# Write it back to test the writes 304# Test Case 11a - Check that the write succeeded 305${PREFIX}${WRITE} host${SUFFIX} $addr ${FPATH}$FILE_WRITE \$filesize 306mw.b $addr 00 100 307${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_WRITE 308# Test Case 11b - Check md5 of written to is same as the one read from 309md5sum $addr \$filesize 310setenv filesize 311# 312 313# Next test case checks writing a file whose dirent 314# is the first in the block, which is always true for "." 315# The write should fail, but the lookup should work 316# Test Case 12 - Check directory traversal 317${PREFIX}${WRITE} host${SUFFIX} $addr ${FPATH}. 0x10 318 319# Read 1MB from small file 320${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_SMALL 321# Write it via "same directory", i.e. "." dirent 322# Test Case 13a - Check directory traversal 323${PREFIX}${WRITE} host${SUFFIX} $addr ${FPATH}./${FILE_WRITE}2 \$filesize 324mw.b $addr 00 100 325${PREFIX}load host${SUFFIX} $addr ${FPATH}./${FILE_WRITE}2 326# Test Case 13b - Check md5 of written to is same as the one read from 327md5sum $addr \$filesize 328setenv filesize 329mw.b $addr 00 100 330${PREFIX}load host${SUFFIX} $addr ${FPATH}${FILE_WRITE}2 331# Test Case 13c - Check md5 of written to is same as the one read from 332md5sum $addr \$filesize 333setenv filesize 334# 335reset 336 337EOF 338} 339 340# 1st argument is the name of the image file. 341# 2nd argument is the file where we generate the md5s of the files 342# generated with the appropriate start and length that we use to test. 343# It creates the necessary files in the image to test. 344# $GB2p5 is the path of the big file (2.5 GB) 345# $MB1 is the path of the small file (1 MB) 346# $MOUNT_DIR is the path we can use to mount the image file. 347function create_files() { 348 # Mount the image so we can populate it. 349 mkdir -p "$MOUNT_DIR" 350 sudo mount -o loop,rw "$1" "$MOUNT_DIR" 351 352 # Create a subdirectory. 353 sudo mkdir -p "$MOUNT_DIR/SUBDIR" 354 355 # Create big file in this image. 356 # Note that we work only on the start 1MB, couple MBs in the 2GB range 357 # and the last 1 MB of the huge 2.5GB file. 358 # So, just put random values only in those areas. 359 if [ ! -f "${GB2p5}" ]; then 360 sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 \ 361 &> /dev/null 362 sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=2 seek=2047 \ 363 &> /dev/null 364 sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 seek=2499 \ 365 &> /dev/null 366 fi 367 368 # Create a small file in this image. 369 if [ ! -f "${MB1}" ]; then 370 sudo dd if=/dev/urandom of="${MB1}" bs=1M count=1 \ 371 &> /dev/null 372 fi 373 374 # Delete the small file copies which possibly are written as part of a 375 # previous test. 376 sudo rm -f "${MB1}.w" 377 sudo rm -f "${MB1}.w2" 378 379 # Generate the md5sums of reads that we will test against small file 380 dd if="${MB1}" bs=1M skip=0 count=1 2> /dev/null | md5sum > "$2" 381 382 # Generate the md5sums of reads that we will test against big file 383 # One from beginning of file. 384 dd if="${GB2p5}" bs=1M skip=0 count=1 \ 385 2> /dev/null | md5sum >> "$2" 386 387 # One from end of file. 388 dd if="${GB2p5}" bs=1M skip=2499 count=1 \ 389 2> /dev/null | md5sum >> "$2" 390 391 # One from the last 1MB chunk of 2GB 392 dd if="${GB2p5}" bs=1M skip=2047 count=1 \ 393 2> /dev/null | md5sum >> "$2" 394 395 # One from the start 1MB chunk from 2GB 396 dd if="${GB2p5}" bs=1M skip=2048 count=1 \ 397 2> /dev/null | md5sum >> "$2" 398 399 # One 1MB chunk crossing the 2GB boundary 400 dd if="${GB2p5}" bs=512K skip=4095 count=2 \ 401 2> /dev/null | md5sum >> "$2" 402 403 sync 404 sudo umount "$MOUNT_DIR" 405 rmdir "$MOUNT_DIR" 406} 407 408# 1st parameter is the text to print 409# if $? is 0 its a pass, else a fail 410# As a side effect it shall update env variable PASS and FAIL 411function pass_fail() { 412 if [ $? -eq 0 ]; then 413 echo pass - "$1" 414 PASS=$((PASS + 1)) 415 else 416 echo FAIL - "$1" 417 FAIL=$((FAIL + 1)) 418 fi 419} 420 421# 1st parameter is the string which leads to an md5 generation 422# 2nd parameter is the file we grep, for that string 423# 3rd parameter is the name of the file which has md5s in it 424# 4th parameter is the line # in the md5 file that we match it against 425# This function checks if the md5 of the file in the sandbox matches 426# that calculated while generating the file 427# 5th parameter is the string to print with the result 428check_md5() { 429 # md5sum in u-boot has output of form: 430 # md5 for 01000008 ... 01100007 ==> <md5> 431 # the 7th field is the actual md5 432 md5_src=`grep -A2 "$1" "$2" | grep "md5 for" | tr -d '\r'` 433 md5_src=($md5_src) 434 md5_src=${md5_src[6]} 435 436 # The md5 list, each line is of the form: 437 # - <md5> 438 # the 2nd field is the actual md5 439 md5_dst=`sed -n $4p $3` 440 md5_dst=($md5_dst) 441 md5_dst=${md5_dst[0]} 442 443 # For a pass they should match. 444 [ "$md5_src" = "$md5_dst" ] 445 pass_fail "$5" 446} 447 448# 1st parameter is the name of the output file to check 449# 2nd parameter is the name of the file containing the md5 expected 450# 3rd parameter is the name of the small file 451# 4th parameter is the name of the big file 452# 5th paramter is the name of the written file 453# This function checks the output file for correct results. 454function check_results() { 455 echo "** Start $1" 456 457 PASS=0 458 FAIL=0 459 460 # Check if the ls is showing correct results for 2.5 gb file 461 grep -A7 "Test Case 1 " "$1" | egrep -iq "2621440000 *$4" 462 pass_fail "TC1: ls of $4" 463 464 # Check if the ls is showing correct results for 1 mb file 465 grep -A7 "Test Case 1 " "$1" | egrep -iq "1048576 *$3" 466 pass_fail "TC1: ls of $3" 467 468 # Check size command on 1MB.file 469 egrep -A3 "Test Case 2a " "$1" | grep -q "filesize=100000" 470 pass_fail "TC2: size of $3" 471 # Check size command on 1MB.file via a path using '..' 472 egrep -A3 "Test Case 2b " "$1" | grep -q "filesize=100000" 473 pass_fail "TC2: size of $3 via a path using '..'" 474 475 # Check size command on 2.5GB.file 476 egrep -A3 "Test Case 3 " "$1" | grep -q "filesize=9c400000" 477 pass_fail "TC3: size of $4" 478 479 # Check read full mb of 1MB.file 480 grep -A4 "Test Case 4a " "$1" | grep -q "filesize=100000" 481 pass_fail "TC4: load of $3 size" 482 check_md5 "Test Case 4b " "$1" "$2" 1 "TC4: load from $3" 483 484 # Check first mb of 2.5GB.file 485 grep -A4 "Test Case 5a " "$1" | grep -q "filesize=100000" 486 pass_fail "TC5: load of 1st MB from $4 size" 487 check_md5 "Test Case 5b " "$1" "$2" 2 "TC5: load of 1st MB from $4" 488 489 # Check last mb of 2.5GB.file 490 grep -A4 "Test Case 6a " "$1" | grep -q "filesize=100000" 491 pass_fail "TC6: load of last MB from $4 size" 492 check_md5 "Test Case 6b " "$1" "$2" 3 "TC6: load of last MB from $4" 493 494 # Check last 1mb chunk of 2gb from 2.5GB file 495 grep -A4 "Test Case 7a " "$1" | grep -q "filesize=100000" 496 pass_fail "TC7: load of last 1mb chunk of 2GB from $4 size" 497 check_md5 "Test Case 7b " "$1" "$2" 4 \ 498 "TC7: load of last 1mb chunk of 2GB from $4" 499 500 # Check first 1mb chunk after 2gb from 2.5GB file 501 grep -A4 "Test Case 8a " "$1" | grep -q "filesize=100000" 502 pass_fail "TC8: load 1st MB chunk after 2GB from $4 size" 503 check_md5 "Test Case 8b " "$1" "$2" 5 \ 504 "TC8: load 1st MB chunk after 2GB from $4" 505 506 # Check 1mb chunk crossing the 2gb boundary from 2.5GB file 507 grep -A4 "Test Case 9a " "$1" | grep -q "filesize=100000" 508 pass_fail "TC9: load 1MB chunk crossing 2GB boundary from $4 size" 509 check_md5 "Test Case 9b " "$1" "$2" 6 \ 510 "TC9: load 1MB chunk crossing 2GB boundary from $4" 511 512 # Check 2mb chunk from the last 1MB of 2.5GB file loads 1MB 513 grep -A5 "Test Case 10 " "$1" | grep -q "filesize=100000" 514 pass_fail "TC10: load 2MB from the last 1MB of $4 loads 1MB" 515 516 # Check 1mb chunk write 517 grep -A2 "Test Case 11a " "$1" | grep -q '1048576 bytes written' 518 pass_fail "TC11: 1MB write to $3.w - write succeeded" 519 check_md5 "Test Case 11b " "$1" "$2" 1 \ 520 "TC11: 1MB write to $3.w - content verified" 521 522 # Check lookup of 'dot' directory 523 grep -A4 "Test Case 12 " "$1" | grep -q 'Unable to write file' 524 pass_fail "TC12: 1MB write to . - write denied" 525 526 # Check directory traversal 527 grep -A2 "Test Case 13a " "$1" | grep -q '1048576 bytes written' 528 pass_fail "TC13: 1MB write to ./$3.w2 - write succeeded" 529 check_md5 "Test Case 13b " "$1" "$2" 1 \ 530 "TC13: 1MB read from ./$3.w2 - content verified" 531 check_md5 "Test Case 13c " "$1" "$2" 1 \ 532 "TC13: 1MB read from $3.w2 - content verified" 533 534 echo "** End $1" 535} 536 537# Takes in one parameter which is "fs" or "nonfs", which then dictates 538# if a fs test (size/load/save) or a nonfs test (fatread/extread) needs to 539# be performed. 540function test_fs_nonfs() { 541 echo "Creating files in $fs image if not already present." 542 create_files $IMAGE $MD5_FILE_FS 543 544 OUT_FILE="${OUT}.$1.${fs}.out" 545 test_image $IMAGE $fs $SMALL_FILE $BIG_FILE $1 "" \ 546 > ${OUT_FILE} 2>&1 547 # strip out noise from fs code 548 grep -v -e "File System is consistent\|update journal finished" \ 549 -e "reading .*\.file\|writing .*\.file.w" \ 550 < ${OUT_FILE} > ${OUT_FILE}_clean 551 check_results ${OUT_FILE}_clean $MD5_FILE_FS $SMALL_FILE \ 552 $BIG_FILE 553 TOTAL_FAIL=$((TOTAL_FAIL + FAIL)) 554 TOTAL_PASS=$((TOTAL_PASS + PASS)) 555 echo "Summary: PASS: $PASS FAIL: $FAIL" 556 echo "--------------------------------------------" 557} 558 559# ******************** 560# * End of functions * 561# ******************** 562 563check_clean "$1" 564check_prereq 565compile_sandbox 566prepare_env 567 568# Track TOTAL_FAIL and TOTAL_PASS 569TOTAL_FAIL=0 570TOTAL_PASS=0 571 572# In each loop, for a given file system image, we test both the 573# fs command, like load/size/write, the file system specific command 574# like: ext4load/ext4size/ext4write and the sb load/ls/save commands. 575for fs in ext4 fat16 fat32; do 576 577 echo "Creating $fs image if not already present." 578 IMAGE=${IMG}.${fs}.img 579 MD5_FILE_FS="${MD5_FILE}.${fs}" 580 create_image $IMAGE $fs 581 582 # sb commands test 583 echo "Creating files in $fs image if not already present." 584 create_files $IMAGE $MD5_FILE_FS 585 586 # Lets mount the image and test sb hostfs commands 587 mkdir -p "$MOUNT_DIR" 588 case "$fs" in 589 fat*) 590 uid="uid=`id -u`" 591 ;; 592 *) 593 uid="" 594 ;; 595 esac 596 sudo mount -o loop,rw,$uid "$IMAGE" "$MOUNT_DIR" 597 sudo chmod 777 "$MOUNT_DIR" 598 599 OUT_FILE="${OUT}.sb.${fs}.out" 600 test_image $IMAGE $fs $SMALL_FILE $BIG_FILE sb `pwd`/$MOUNT_DIR \ 601 > ${OUT_FILE} 2>&1 602 sudo umount "$MOUNT_DIR" 603 rmdir "$MOUNT_DIR" 604 605 check_results $OUT_FILE $MD5_FILE_FS $SMALL_FILE $BIG_FILE 606 TOTAL_FAIL=$((TOTAL_FAIL + FAIL)) 607 TOTAL_PASS=$((TOTAL_PASS + PASS)) 608 echo "Summary: PASS: $PASS FAIL: $FAIL" 609 echo "--------------------------------------------" 610 611 test_fs_nonfs nonfs 612 test_fs_nonfs fs 613done 614 615echo "Total Summary: TOTAL PASS: $TOTAL_PASS TOTAL FAIL: $TOTAL_FAIL" 616echo "--------------------------------------------" 617if [ $TOTAL_FAIL -eq 0 ]; then 618 echo "PASSED" 619 exit 0 620else 621 echo "FAILED" 622 exit 1 623fi 624