tests/f_pre_1970_date_encoding/script

   1 if ! test -x $DEBUGFS_EXE; then
   2         echo "$test_name: $test_description: skipped (no debugfs)"
   3         return 0
   4 fi
   5
   6 OUT=$test_name.log
   7 TIMESTAMPS=$test_name.timestamps.log
   8 EXP=$test_dir/expect
   9 FSCK_OPT=-yf
  10
  11 create_file_with_xtime_and_extra() {
  12         name=$1
  13         time=$2
  14         extra=$3
  15         {
  16                 echo "write /dev/null $name"
  17                 for xtime in atime ctime mtime crtime; do
  18                         echo "set_inode_field $name $xtime @$time"
  19                         echo "set_inode_field $name ${xtime}_extra $extra"
  20                 done
  21         } | $DEBUGFS -w $TMPFILE >> $OUT 2>&1
  22 }
  23
  24 get_file_xtime_and_extra() {
  25         name=$1
  26         echo "times for $name =" >> $TIMESTAMPS
  27         $DEBUGFS -R "stat $name" $TMPFILE 2>&1 | egrep '^( a| c| m|cr)time:' |
  28                 sed 's/ --.*//' >> $TIMESTAMPS
  29 }
  30
  31 rm -f $OUT $TIMESTAMPS
  32
  33 # create an empty ext4 filesystem with 256-byte inodes for testing
  34 > $TMPFILE
  35 echo mkfs.ext4 -b 1024 -q -I 256 $TMPFILE 5000 >> $OUT
  36 $MKE2FS -t ext4 -b 1024 -q -I 256 -F $TMPFILE 5000 >> $OUT 2>&1
  37
  38 # this is a pre-1970 file encoded with the old encoding.
  39 # fsck should repair this
  40 create_file_with_xtime_and_extra year-1909 -1907928000 3
  41
  42 # these are all already encoded correctly
  43 create_file_with_xtime_and_extra year-1979   299592000 0
  44 create_file_with_xtime_and_extra year-2039  2191752000 1
  45 create_file_with_xtime_and_extra year-2139  5345352000 1
  46
  47 # confirm that the xtime is wrong on the pre-1970 file
  48 get_file_xtime_and_extra year-1909
  49
  50 # and confirm that it is right on the remaining files
  51 get_file_xtime_and_extra year-1979
  52 get_file_xtime_and_extra year-2039
  53 get_file_xtime_and_extra year-2139
  54
  55 # before we repair the filesystem, save off a copy so that
  56 # we can use it later
  57
  58 cp -a $TMPFILE $TMPFILE.sav
  59
  60 # repair the filesystem
  61 E2FSCK_TIME=1386393539 $FSCK $FSCK_OPT $TMPFILE >> $OUT 2>&1
  62
  63 # check that the dates and xtime_extra on the file is now correct
  64 get_file_xtime_and_extra year-1909
  65
  66 # check that the remaining dates have not been altered
  67 get_file_xtime_and_extra year-1979
  68 get_file_xtime_and_extra year-2039
  69 get_file_xtime_and_extra year-2139
  70
  71 if test $SIZEOF_TIME_T -gt 4
  72 then
  73   # now we need to check that after the year 2242, e2fsck does not
  74   # modify dates with extra_xtime=3
  75
  76   # restore the unrepaired filesystem
  77   mv $TMPFILE.sav $TMPFILE
  78
  79   #retry the repair
  80   E2FSCK_TIME=9270393539 $FSCK $FSCK_OPT $TMPFILE >> $OUT 2>&1
  81
  82   # check that the 1909 file is unaltered (i.e. it has a post-2378 date)
  83   get_file_xtime_and_extra year-1909
  84 else
  85   rm -f TMPFILE.sav
  86 cat << EOF >> $TIMESTAMPS
  87 times for year-1909 =
  88  ctime: 0x8e475440:00000003
  89  atime: 0x8e475440:00000003
  90  mtime: 0x8e475440:00000003
  91 crtime: 0x8e475440:00000003
  92 EOF
  93 fi
  94
  95 cmp -s $TIMESTAMPS $EXP
  96 status=$?
  97
  98 if [ "$status" = 0 ]; then
  99         echo "$test_name: $test_description: ok"
 100         touch $test_name.ok
 101 else
 102         echo "$test_name: $test_description: failed"
 103         diff $DIFF_OPTS $EXP $TIMESTAMPS > $test_name.failed
 104 fi
 105
 106 unset OUT TIMESTAMPS EXP FSCK_OPT