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HADOOP-10945. 4-digit octal umask permissions throws a parse error. Contributed by Chang Li 

(cherry picked from commit 6f0a35724f)
This commit is contained in:
Jason Lowe 2015-07-29 15:25:10 +00:00
parent 6f50a6a456
commit e6b4714d0b
3 changed files with 30 additions and 1 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -529,6 +529,9 @@ Release 2.8.0 - UNRELEASED
HADOOP-12175. FsShell must load SpanReceierHost to support tracing
(Masatake Iwasaki via Colin P. McCabe)
HADOOP-10945. 4-digit octal umask permissions throws a parse error (Chang
Li via jlowe)
Release 2.7.2 - UNRELEASED
INCOMPATIBLE CHANGES

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/UmaskParser.java
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@ -33,7 +33,7 @@
@InterfaceStability.Unstable
class UmaskParser extends PermissionParser {
private static Pattern chmodOctalPattern =
Pattern.compile("^\\s*[+]?()([0-7]{3})\\s*$"); // no leading 1 for sticky bit
Pattern.compile("^\\s*[+]?(0*)([0-7]{3})\\s*$"); // no leading 1 for sticky bit
private static Pattern umaskSymbolicPattern = /* not allow X or t */
Pattern.compile("\\G\\s*([ugoa]*)([+=-]+)([rwx]*)([,\\s]*)\\s*");
final short umaskMode;

26
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/security/TestPermission.java
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@ -20,6 +20,7 @@
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.Random;
@ -100,6 +101,31 @@ public void testBackwardCompatibility() {
conf = new Configuration();
conf.set(FsPermission.UMASK_LABEL, "022");
assertEquals(18, FsPermission.getUMask(conf).toShort());
// Test 5 - equivalent valid umask
conf = new Configuration();
conf.set(FsPermission.UMASK_LABEL, "0022");
assertEquals(18, FsPermission.getUMask(conf).toShort());
// Test 6 - invalid umask
conf = new Configuration();
conf.set(FsPermission.UMASK_LABEL, "1222");
try {
FsPermission.getUMask(conf);
fail("expect IllegalArgumentException happen");
} catch (IllegalArgumentException e) {
//pass, exception successfully trigger
}
// Test 7 - invalid umask
conf = new Configuration();
conf.set(FsPermission.UMASK_LABEL, "01222");
try {
FsPermission.getUMask(conf);
fail("expect IllegalArgumentException happen");
} catch (IllegalArgumentException e) {
//pass, exception successfully trigger
}
}
@Test