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Restrict filesystem creation if name referred either '.' or '..'

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This change restricts filesystem creation if the given name
contains either '.' or '..'

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: TulsiJain <tulsi.jain@delphix.com>
Closes #8842
Closes #8564
This commit is contained in:
Tulsi Jain
2019-06-13 08:56:15 -07:00
committed by Tony Hutter
parent 77e64c6fff
commit 19cebf0518
4 changed files with 36 additions and 1 deletions
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tests/zfs-tests/tests/functional/cli_root/zfs_create/zfs_create_009_neg.ksh
+3 -1
View File
@@ -90,7 +90,9 @@ set -A args "$TESTPOOL/" "$TESTPOOL//blah" "$TESTPOOL/@blah" \
"$TESTPOOL/blah*blah" "$TESTPOOL/blah blah" \
"-s $TESTPOOL/$TESTFS1" "-b 1092 $TESTPOOL/$TESTFS1" \
"-b 64k $TESTPOOL/$TESTFS1" "-s -b 32k $TESTPOOL/$TESTFS1" \
"$TESTPOOL/$BYND_MAX_NAME" "$TESTPOOL/$BYND_NEST_LIMIT"
"$TESTPOOL/$BYND_MAX_NAME" "$TESTPOOL/$BYND_NEST_LIMIT" \
"$TESTPOOL/." "$TESTPOOL/.." "$TESTPOOL/../blah" "$TESTPOOL/./blah" \
"$TESTPOOL/blah/./blah" "$TESTPOOL/blah/../blah"
log_assert "Verify 'zfs create <filesystem>' fails with bad <filesystem> argument."