HADOOP-6710. Symbolic umask for file creation is not conformant with posix. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@937577 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -343,6 +343,9 @@ Trunk (unreleased changes)
     HADOOP-6690. FilterFileSystem correctly handles setTimes call.
     (Rodrigo Schmidt via dhruba)
 
+    HADOOP-6710. Symbolic umask for file creation is not conformant with posix.
+    (suresh)
+    
     HADOOP-6719. Insert all missing methods in FilterFs.
     (Rodrigo Schmidt via dhruba)
 

src/java/org/apache/hadoop/fs/permission/FsPermission.java

@@ -199,7 +199,20 @@ public FsPermission applyUMask(FsPermission umask) {
   public static final int DEFAULT_UMASK = 
                   CommonConfigurationKeys.FS_PERMISSIONS_UMASK_DEFAULT;
 
-  /** Get the user file creation mask (umask) */
+  /** 
+   * Get the user file creation mask (umask)
+   * 
+   * {@code UMASK_LABEL} config param has umask value that is either symbolic 
+   * or octal.
+   * 
+   * Symbolic umask is applied relative to file mode creation mask; 
+   * the permission op characters '+' clears the corresponding bit in the mask, 
+   * '-' sets bits in the mask.
+   * 
+   * Octal umask, the specified bits are set in the file mode creation mask.
+   * 
+   * {@code DEPRECATED_UMASK_LABEL} config param has umask value set to decimal.
+   */
   public static FsPermission getUMask(Configuration conf) {
     int umask = DEFAULT_UMASK;
     

src/java/org/apache/hadoop/fs/permission/PermissionParser.java

@@ -26,6 +26,7 @@
  * UmaskParser and ChmodParser classes.
  */
 class PermissionParser {
+  protected boolean symbolic = false;
   protected short userMode;
   protected short groupMode;
   protected short othersMode;
@@ -140,6 +141,7 @@ private void applyNormalPattern(String modeStr, Matcher matcher) {
 
       commaSeperated = matcher.group(4).contains(",");
     }
+    symbolic = true;
   }
 
   private void applyOctalPattern(String modeStr, Matcher matcher) {

src/java/org/apache/hadoop/fs/permission/UmaskParser.java

@@ -30,7 +30,7 @@ class UmaskParser extends PermissionParser {
   private static Pattern chmodOctalPattern =
     Pattern.compile("^\\s*[+]?()([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*");
+    Pattern.compile("\\G\\s*([ugoa]*)([+=-]+)([rwx]*)([,\\s]*)\\s*");
   final short umaskMode;
   
   public UmaskParser(String modeStr) throws IllegalArgumentException {
@@ -39,7 +39,21 @@ public UmaskParser(String modeStr) throws IllegalArgumentException {
     umaskMode = (short)combineModes(0, false);
   }
 
+  /**
+   * To be used for file/directory creation only. Symbolic umask is applied
+   * relative to file mode creation mask; the permission op characters '+'
+   * results in clearing the corresponding bit in the mask, '-' results in bits
+   * for indicated permission to be set in the mask.
+   * 
+   * For octal umask, the specified bits are set in the file mode creation mask.
+   * 
+   * @return umask
+   */
   public short getUMask() {
+    if (symbolic) {
+      // Return the complement of octal equivalent of umask that was computed
+      return (short) (~umaskMode & 0777);      
+    }
     return umaskMode;
   }
 }

src/test/core/org/apache/hadoop/fs/permission/TestFsPermission.java

@@ -133,17 +133,531 @@ public void testUMaskParser() throws IOException {
     }
   }
 
-  public void TestSymbolicUmasks() {
+  public void testSymbolicUmasks() {
     Configuration conf = new Configuration();
     
-    // Test some symbolic settings       Setting       Octal result
+    // Test some symbolic to octal settings
-    String [] symbolic = new String [] { "a+rw",        "666",
+    // Symbolic umask list is generated in linux shell using by the command:
-                                         "u=x,g=r,o=w", "142",
+    // umask 0; umask <octal number>; umask -S
-                                         "u=x",         "100" };
+    String [][] symbolic = new String [][] { 
+        {"a+rw", "111",},
+        {"u=rwx,g=rwx,o=rwx", "0",},
+        {"u=rwx,g=rwx,o=rw", "1",},
+        {"u=rwx,g=rwx,o=rx", "2",},
+        {"u=rwx,g=rwx,o=r", "3",},
+        {"u=rwx,g=rwx,o=wx", "4",},
+        {"u=rwx,g=rwx,o=w", "5",},
+        {"u=rwx,g=rwx,o=x", "6",},
+        {"u=rwx,g=rwx,o=", "7",},
+        {"u=rwx,g=rw,o=rwx", "10",},
+        {"u=rwx,g=rw,o=rw", "11",},
+        {"u=rwx,g=rw,o=rx", "12",},
+        {"u=rwx,g=rw,o=r", "13",},
+        {"u=rwx,g=rw,o=wx", "14",},
+        {"u=rwx,g=rw,o=w", "15",},
+        {"u=rwx,g=rw,o=x", "16",},
+        {"u=rwx,g=rw,o=", "17",},
+        {"u=rwx,g=rx,o=rwx", "20",},
+        {"u=rwx,g=rx,o=rw", "21",},
+        {"u=rwx,g=rx,o=rx", "22",},
+        {"u=rwx,g=rx,o=r", "23",},
+        {"u=rwx,g=rx,o=wx", "24",},
+        {"u=rwx,g=rx,o=w", "25",},
+        {"u=rwx,g=rx,o=x", "26",},
+        {"u=rwx,g=rx,o=", "27",},
+        {"u=rwx,g=r,o=rwx", "30",},
+        {"u=rwx,g=r,o=rw", "31",},
+        {"u=rwx,g=r,o=rx", "32",},
+        {"u=rwx,g=r,o=r", "33",},
+        {"u=rwx,g=r,o=wx", "34",},
+        {"u=rwx,g=r,o=w", "35",},
+        {"u=rwx,g=r,o=x", "36",},
+        {"u=rwx,g=r,o=", "37",},
+        {"u=rwx,g=wx,o=rwx", "40",},
+        {"u=rwx,g=wx,o=rw", "41",},
+        {"u=rwx,g=wx,o=rx", "42",},
+        {"u=rwx,g=wx,o=r", "43",},
+        {"u=rwx,g=wx,o=wx", "44",},
+        {"u=rwx,g=wx,o=w", "45",},
+        {"u=rwx,g=wx,o=x", "46",},
+        {"u=rwx,g=wx,o=", "47",},
+        {"u=rwx,g=w,o=rwx", "50",},
+        {"u=rwx,g=w,o=rw", "51",},
+        {"u=rwx,g=w,o=rx", "52",},
+        {"u=rwx,g=w,o=r", "53",},
+        {"u=rwx,g=w,o=wx", "54",},
+        {"u=rwx,g=w,o=w", "55",},
+        {"u=rwx,g=w,o=x", "56",},
+        {"u=rwx,g=w,o=", "57",},
+        {"u=rwx,g=x,o=rwx", "60",},
+        {"u=rwx,g=x,o=rw", "61",},
+        {"u=rwx,g=x,o=rx", "62",},
+        {"u=rwx,g=x,o=r", "63",},
+        {"u=rwx,g=x,o=wx", "64",},
+        {"u=rwx,g=x,o=w", "65",},
+        {"u=rwx,g=x,o=x", "66",},
+        {"u=rwx,g=x,o=", "67",},
+        {"u=rwx,g=,o=rwx", "70",},
+        {"u=rwx,g=,o=rw", "71",},
+        {"u=rwx,g=,o=rx", "72",},
+        {"u=rwx,g=,o=r", "73",},
+        {"u=rwx,g=,o=wx", "74",},
+        {"u=rwx,g=,o=w", "75",},
+        {"u=rwx,g=,o=x", "76",},
+        {"u=rwx,g=,o=", "77",},
+        {"u=rw,g=rwx,o=rwx", "100",},
+        {"u=rw,g=rwx,o=rw", "101",},
+        {"u=rw,g=rwx,o=rx", "102",},
+        {"u=rw,g=rwx,o=r", "103",},
+        {"u=rw,g=rwx,o=wx", "104",},
+        {"u=rw,g=rwx,o=w", "105",},
+        {"u=rw,g=rwx,o=x", "106",},
+        {"u=rw,g=rwx,o=", "107",},
+        {"u=rw,g=rw,o=rwx", "110",},
+        {"u=rw,g=rw,o=rw", "111",},
+        {"u=rw,g=rw,o=rx", "112",},
+        {"u=rw,g=rw,o=r", "113",},
+        {"u=rw,g=rw,o=wx", "114",},
+        {"u=rw,g=rw,o=w", "115",},
+        {"u=rw,g=rw,o=x", "116",},
+        {"u=rw,g=rw,o=", "117",},
+        {"u=rw,g=rx,o=rwx", "120",},
+        {"u=rw,g=rx,o=rw", "121",},
+        {"u=rw,g=rx,o=rx", "122",},
+        {"u=rw,g=rx,o=r", "123",},
+        {"u=rw,g=rx,o=wx", "124",},
+        {"u=rw,g=rx,o=w", "125",},
+        {"u=rw,g=rx,o=x", "126",},
+        {"u=rw,g=rx,o=", "127",},
+        {"u=rw,g=r,o=rwx", "130",},
+        {"u=rw,g=r,o=rw", "131",},
+        {"u=rw,g=r,o=rx", "132",},
+        {"u=rw,g=r,o=r", "133",},
+        {"u=rw,g=r,o=wx", "134",},
+        {"u=rw,g=r,o=w", "135",},
+        {"u=rw,g=r,o=x", "136",},
+        {"u=rw,g=r,o=", "137",},
+        {"u=rw,g=wx,o=rwx", "140",},
+        {"u=rw,g=wx,o=rw", "141",},
+        {"u=rw,g=wx,o=rx", "142",},
+        {"u=rw,g=wx,o=r", "143",},
+        {"u=rw,g=wx,o=wx", "144",},
+        {"u=rw,g=wx,o=w", "145",},
+        {"u=rw,g=wx,o=x", "146",},
+        {"u=rw,g=wx,o=", "147",},
+        {"u=rw,g=w,o=rwx", "150",},
+        {"u=rw,g=w,o=rw", "151",},
+        {"u=rw,g=w,o=rx", "152",},
+        {"u=rw,g=w,o=r", "153",},
+        {"u=rw,g=w,o=wx", "154",},
+        {"u=rw,g=w,o=w", "155",},
+        {"u=rw,g=w,o=x", "156",},
+        {"u=rw,g=w,o=", "157",},
+        {"u=rw,g=x,o=rwx", "160",},
+        {"u=rw,g=x,o=rw", "161",},
+        {"u=rw,g=x,o=rx", "162",},
+        {"u=rw,g=x,o=r", "163",},
+        {"u=rw,g=x,o=wx", "164",},
+        {"u=rw,g=x,o=w", "165",},
+        {"u=rw,g=x,o=x", "166",},
+        {"u=rw,g=x,o=", "167",},
+        {"u=rw,g=,o=rwx", "170",},
+        {"u=rw,g=,o=rw", "171",},
+        {"u=rw,g=,o=rx", "172",},
+        {"u=rw,g=,o=r", "173",},
+        {"u=rw,g=,o=wx", "174",},
+        {"u=rw,g=,o=w", "175",},
+        {"u=rw,g=,o=x", "176",},
+        {"u=rw,g=,o=", "177",},
+        {"u=rx,g=rwx,o=rwx", "200",},
+        {"u=rx,g=rwx,o=rw", "201",},
+        {"u=rx,g=rwx,o=rx", "202",},
+        {"u=rx,g=rwx,o=r", "203",},
+        {"u=rx,g=rwx,o=wx", "204",},
+        {"u=rx,g=rwx,o=w", "205",},
+        {"u=rx,g=rwx,o=x", "206",},
+        {"u=rx,g=rwx,o=", "207",},
+        {"u=rx,g=rw,o=rwx", "210",},
+        {"u=rx,g=rw,o=rw", "211",},
+        {"u=rx,g=rw,o=rx", "212",},
+        {"u=rx,g=rw,o=r", "213",},
+        {"u=rx,g=rw,o=wx", "214",},
+        {"u=rx,g=rw,o=w", "215",},
+        {"u=rx,g=rw,o=x", "216",},
+        {"u=rx,g=rw,o=", "217",},
+        {"u=rx,g=rx,o=rwx", "220",},
+        {"u=rx,g=rx,o=rw", "221",},
+        {"u=rx,g=rx,o=rx", "222",},
+        {"u=rx,g=rx,o=r", "223",},
+        {"u=rx,g=rx,o=wx", "224",},
+        {"u=rx,g=rx,o=w", "225",},
+        {"u=rx,g=rx,o=x", "226",},
+        {"u=rx,g=rx,o=", "227",},
+        {"u=rx,g=r,o=rwx", "230",},
+        {"u=rx,g=r,o=rw", "231",},
+        {"u=rx,g=r,o=rx", "232",},
+        {"u=rx,g=r,o=r", "233",},
+        {"u=rx,g=r,o=wx", "234",},
+        {"u=rx,g=r,o=w", "235",},
+        {"u=rx,g=r,o=x", "236",},
+        {"u=rx,g=r,o=", "237",},
+        {"u=rx,g=wx,o=rwx", "240",},
+        {"u=rx,g=wx,o=rw", "241",},
+        {"u=rx,g=wx,o=rx", "242",},
+        {"u=rx,g=wx,o=r", "243",},
+        {"u=rx,g=wx,o=wx", "244",},
+        {"u=rx,g=wx,o=w", "245",},
+        {"u=rx,g=wx,o=x", "246",},
+        {"u=rx,g=wx,o=", "247",},
+        {"u=rx,g=w,o=rwx", "250",},
+        {"u=rx,g=w,o=rw", "251",},
+        {"u=rx,g=w,o=rx", "252",},
+        {"u=rx,g=w,o=r", "253",},
+        {"u=rx,g=w,o=wx", "254",},
+        {"u=rx,g=w,o=w", "255",},
+        {"u=rx,g=w,o=x", "256",},
+        {"u=rx,g=w,o=", "257",},
+        {"u=rx,g=x,o=rwx", "260",},
+        {"u=rx,g=x,o=rw", "261",},
+        {"u=rx,g=x,o=rx", "262",},
+        {"u=rx,g=x,o=r", "263",},
+        {"u=rx,g=x,o=wx", "264",},
+        {"u=rx,g=x,o=w", "265",},
+        {"u=rx,g=x,o=x", "266",},
+        {"u=rx,g=x,o=", "267",},
+        {"u=rx,g=,o=rwx", "270",},
+        {"u=rx,g=,o=rw", "271",},
+        {"u=rx,g=,o=rx", "272",},
+        {"u=rx,g=,o=r", "273",},
+        {"u=rx,g=,o=wx", "274",},
+        {"u=rx,g=,o=w", "275",},
+        {"u=rx,g=,o=x", "276",},
+        {"u=rx,g=,o=", "277",},
+        {"u=r,g=rwx,o=rwx", "300",},
+        {"u=r,g=rwx,o=rw", "301",},
+        {"u=r,g=rwx,o=rx", "302",},
+        {"u=r,g=rwx,o=r", "303",},
+        {"u=r,g=rwx,o=wx", "304",},
+        {"u=r,g=rwx,o=w", "305",},
+        {"u=r,g=rwx,o=x", "306",},
+        {"u=r,g=rwx,o=", "307",},
+        {"u=r,g=rw,o=rwx", "310",},
+        {"u=r,g=rw,o=rw", "311",},
+        {"u=r,g=rw,o=rx", "312",},
+        {"u=r,g=rw,o=r", "313",},
+        {"u=r,g=rw,o=wx", "314",},
+        {"u=r,g=rw,o=w", "315",},
+        {"u=r,g=rw,o=x", "316",},
+        {"u=r,g=rw,o=", "317",},
+        {"u=r,g=rx,o=rwx", "320",},
+        {"u=r,g=rx,o=rw", "321",},
+        {"u=r,g=rx,o=rx", "322",},
+        {"u=r,g=rx,o=r", "323",},
+        {"u=r,g=rx,o=wx", "324",},
+        {"u=r,g=rx,o=w", "325",},
+        {"u=r,g=rx,o=x", "326",},
+        {"u=r,g=rx,o=", "327",},
+        {"u=r,g=r,o=rwx", "330",},
+        {"u=r,g=r,o=rw", "331",},
+        {"u=r,g=r,o=rx", "332",},
+        {"u=r,g=r,o=r", "333",},
+        {"u=r,g=r,o=wx", "334",},
+        {"u=r,g=r,o=w", "335",},
+        {"u=r,g=r,o=x", "336",},
+        {"u=r,g=r,o=", "337",},
+        {"u=r,g=wx,o=rwx", "340",},
+        {"u=r,g=wx,o=rw", "341",},
+        {"u=r,g=wx,o=rx", "342",},
+        {"u=r,g=wx,o=r", "343",},
+        {"u=r,g=wx,o=wx", "344",},
+        {"u=r,g=wx,o=w", "345",},
+        {"u=r,g=wx,o=x", "346",},
+        {"u=r,g=wx,o=", "347",},
+        {"u=r,g=w,o=rwx", "350",},
+        {"u=r,g=w,o=rw", "351",},
+        {"u=r,g=w,o=rx", "352",},
+        {"u=r,g=w,o=r", "353",},
+        {"u=r,g=w,o=wx", "354",},
+        {"u=r,g=w,o=w", "355",},
+        {"u=r,g=w,o=x", "356",},
+        {"u=r,g=w,o=", "357",},
+        {"u=r,g=x,o=rwx", "360",},
+        {"u=r,g=x,o=rw", "361",},
+        {"u=r,g=x,o=rx", "362",},
+        {"u=r,g=x,o=r", "363",},
+        {"u=r,g=x,o=wx", "364",},
+        {"u=r,g=x,o=w", "365",},
+        {"u=r,g=x,o=x", "366",},
+        {"u=r,g=x,o=", "367",},
+        {"u=r,g=,o=rwx", "370",},
+        {"u=r,g=,o=rw", "371",},
+        {"u=r,g=,o=rx", "372",},
+        {"u=r,g=,o=r", "373",},
+        {"u=r,g=,o=wx", "374",},
+        {"u=r,g=,o=w", "375",},
+        {"u=r,g=,o=x", "376",},
+        {"u=r,g=,o=", "377",},
+        {"u=wx,g=rwx,o=rwx", "400",},
+        {"u=wx,g=rwx,o=rw", "401",},
+        {"u=wx,g=rwx,o=rx", "402",},
+        {"u=wx,g=rwx,o=r", "403",},
+        {"u=wx,g=rwx,o=wx", "404",},
+        {"u=wx,g=rwx,o=w", "405",},
+        {"u=wx,g=rwx,o=x", "406",},
+        {"u=wx,g=rwx,o=", "407",},
+        {"u=wx,g=rw,o=rwx", "410",},
+        {"u=wx,g=rw,o=rw", "411",},
+        {"u=wx,g=rw,o=rx", "412",},
+        {"u=wx,g=rw,o=r", "413",},
+        {"u=wx,g=rw,o=wx", "414",},
+        {"u=wx,g=rw,o=w", "415",},
+        {"u=wx,g=rw,o=x", "416",},
+        {"u=wx,g=rw,o=", "417",},
+        {"u=wx,g=rx,o=rwx", "420",},
+        {"u=wx,g=rx,o=rw", "421",},
+        {"u=wx,g=rx,o=rx", "422",},
+        {"u=wx,g=rx,o=r", "423",},
+        {"u=wx,g=rx,o=wx", "424",},
+        {"u=wx,g=rx,o=w", "425",},
+        {"u=wx,g=rx,o=x", "426",},
+        {"u=wx,g=rx,o=", "427",},
+        {"u=wx,g=r,o=rwx", "430",},
+        {"u=wx,g=r,o=rw", "431",},
+        {"u=wx,g=r,o=rx", "432",},
+        {"u=wx,g=r,o=r", "433",},
+        {"u=wx,g=r,o=wx", "434",},
+        {"u=wx,g=r,o=w", "435",},
+        {"u=wx,g=r,o=x", "436",},
+        {"u=wx,g=r,o=", "437",},
+        {"u=wx,g=wx,o=rwx", "440",},
+        {"u=wx,g=wx,o=rw", "441",},
+        {"u=wx,g=wx,o=rx", "442",},
+        {"u=wx,g=wx,o=r", "443",},
+        {"u=wx,g=wx,o=wx", "444",},
+        {"u=wx,g=wx,o=w", "445",},
+        {"u=wx,g=wx,o=x", "446",},
+        {"u=wx,g=wx,o=", "447",},
+        {"u=wx,g=w,o=rwx", "450",},
+        {"u=wx,g=w,o=rw", "451",},
+        {"u=wx,g=w,o=rx", "452",},
+        {"u=wx,g=w,o=r", "453",},
+        {"u=wx,g=w,o=wx", "454",},
+        {"u=wx,g=w,o=w", "455",},
+        {"u=wx,g=w,o=x", "456",},
+        {"u=wx,g=w,o=", "457",},
+        {"u=wx,g=x,o=rwx", "460",},
+        {"u=wx,g=x,o=rw", "461",},
+        {"u=wx,g=x,o=rx", "462",},
+        {"u=wx,g=x,o=r", "463",},
+        {"u=wx,g=x,o=wx", "464",},
+        {"u=wx,g=x,o=w", "465",},
+        {"u=wx,g=x,o=x", "466",},
+        {"u=wx,g=x,o=", "467",},
+        {"u=wx,g=,o=rwx", "470",},
+        {"u=wx,g=,o=rw", "471",},
+        {"u=wx,g=,o=rx", "472",},
+        {"u=wx,g=,o=r", "473",},
+        {"u=wx,g=,o=wx", "474",},
+        {"u=wx,g=,o=w", "475",},
+        {"u=wx,g=,o=x", "476",},
+        {"u=wx,g=,o=", "477",},
+        {"u=w,g=rwx,o=rwx", "500",},
+        {"u=w,g=rwx,o=rw", "501",},
+        {"u=w,g=rwx,o=rx", "502",},
+        {"u=w,g=rwx,o=r", "503",},
+        {"u=w,g=rwx,o=wx", "504",},
+        {"u=w,g=rwx,o=w", "505",},
+        {"u=w,g=rwx,o=x", "506",},
+        {"u=w,g=rwx,o=", "507",},
+        {"u=w,g=rw,o=rwx", "510",},
+        {"u=w,g=rw,o=rw", "511",},
+        {"u=w,g=rw,o=rx", "512",},
+        {"u=w,g=rw,o=r", "513",},
+        {"u=w,g=rw,o=wx", "514",},
+        {"u=w,g=rw,o=w", "515",},
+        {"u=w,g=rw,o=x", "516",},
+        {"u=w,g=rw,o=", "517",},
+        {"u=w,g=rx,o=rwx", "520",},
+        {"u=w,g=rx,o=rw", "521",},
+        {"u=w,g=rx,o=rx", "522",},
+        {"u=w,g=rx,o=r", "523",},
+        {"u=w,g=rx,o=wx", "524",},
+        {"u=w,g=rx,o=w", "525",},
+        {"u=w,g=rx,o=x", "526",},
+        {"u=w,g=rx,o=", "527",},
+        {"u=w,g=r,o=rwx", "530",},
+        {"u=w,g=r,o=rw", "531",},
+        {"u=w,g=r,o=rx", "532",},
+        {"u=w,g=r,o=r", "533",},
+        {"u=w,g=r,o=wx", "534",},
+        {"u=w,g=r,o=w", "535",},
+        {"u=w,g=r,o=x", "536",},
+        {"u=w,g=r,o=", "537",},
+        {"u=w,g=wx,o=rwx", "540",},
+        {"u=w,g=wx,o=rw", "541",},
+        {"u=w,g=wx,o=rx", "542",},
+        {"u=w,g=wx,o=r", "543",},
+        {"u=w,g=wx,o=wx", "544",},
+        {"u=w,g=wx,o=w", "545",},
+        {"u=w,g=wx,o=x", "546",},
+        {"u=w,g=wx,o=", "547",},
+        {"u=w,g=w,o=rwx", "550",},
+        {"u=w,g=w,o=rw", "551",},
+        {"u=w,g=w,o=rx", "552",},
+        {"u=w,g=w,o=r", "553",},
+        {"u=w,g=w,o=wx", "554",},
+        {"u=w,g=w,o=w", "555",},
+        {"u=w,g=w,o=x", "556",},
+        {"u=w,g=w,o=", "557",},
+        {"u=w,g=x,o=rwx", "560",},
+        {"u=w,g=x,o=rw", "561",},
+        {"u=w,g=x,o=rx", "562",},
+        {"u=w,g=x,o=r", "563",},
+        {"u=w,g=x,o=wx", "564",},
+        {"u=w,g=x,o=w", "565",},
+        {"u=w,g=x,o=x", "566",},
+        {"u=w,g=x,o=", "567",},
+        {"u=w,g=,o=rwx", "570",},
+        {"u=w,g=,o=rw", "571",},
+        {"u=w,g=,o=rx", "572",},
+        {"u=w,g=,o=r", "573",},
+        {"u=w,g=,o=wx", "574",},
+        {"u=w,g=,o=w", "575",},
+        {"u=w,g=,o=x", "576",},
+        {"u=w,g=,o=", "577",},
+        {"u=x,g=rwx,o=rwx", "600",},
+        {"u=x,g=rwx,o=rw", "601",},
+        {"u=x,g=rwx,o=rx", "602",},
+        {"u=x,g=rwx,o=r", "603",},
+        {"u=x,g=rwx,o=wx", "604",},
+        {"u=x,g=rwx,o=w", "605",},
+        {"u=x,g=rwx,o=x", "606",},
+        {"u=x,g=rwx,o=", "607",},
+        {"u=x,g=rw,o=rwx", "610",},
+        {"u=x,g=rw,o=rw", "611",},
+        {"u=x,g=rw,o=rx", "612",},
+        {"u=x,g=rw,o=r", "613",},
+        {"u=x,g=rw,o=wx", "614",},
+        {"u=x,g=rw,o=w", "615",},
+        {"u=x,g=rw,o=x", "616",},
+        {"u=x,g=rw,o=", "617",},
+        {"u=x,g=rx,o=rwx", "620",},
+        {"u=x,g=rx,o=rw", "621",},
+        {"u=x,g=rx,o=rx", "622",},
+        {"u=x,g=rx,o=r", "623",},
+        {"u=x,g=rx,o=wx", "624",},
+        {"u=x,g=rx,o=w", "625",},
+        {"u=x,g=rx,o=x", "626",},
+        {"u=x,g=rx,o=", "627",},
+        {"u=x,g=r,o=rwx", "630",},
+        {"u=x,g=r,o=rw", "631",},
+        {"u=x,g=r,o=rx", "632",},
+        {"u=x,g=r,o=r", "633",},
+        {"u=x,g=r,o=wx", "634",},
+        {"u=x,g=r,o=w", "635",},
+        {"u=x,g=r,o=x", "636",},
+        {"u=x,g=r,o=", "637",},
+        {"u=x,g=wx,o=rwx", "640",},
+        {"u=x,g=wx,o=rw", "641",},
+        {"u=x,g=wx,o=rx", "642",},
+        {"u=x,g=wx,o=r", "643",},
+        {"u=x,g=wx,o=wx", "644",},
+        {"u=x,g=wx,o=w", "645",},
+        {"u=x,g=wx,o=x", "646",},
+        {"u=x,g=wx,o=", "647",},
+        {"u=x,g=w,o=rwx", "650",},
+        {"u=x,g=w,o=rw", "651",},
+        {"u=x,g=w,o=rx", "652",},
+        {"u=x,g=w,o=r", "653",},
+        {"u=x,g=w,o=wx", "654",},
+        {"u=x,g=w,o=w", "655",},
+        {"u=x,g=w,o=x", "656",},
+        {"u=x,g=w,o=", "657",},
+        {"u=x,g=x,o=rwx", "660",},
+        {"u=x,g=x,o=rw", "661",},
+        {"u=x,g=x,o=rx", "662",},
+        {"u=x,g=x,o=r", "663",},
+        {"u=x,g=x,o=wx", "664",},
+        {"u=x,g=x,o=w", "665",},
+        {"u=x,g=x,o=x", "666",},
+        {"u=x,g=x,o=", "667",},
+        {"u=x,g=,o=rwx", "670",},
+        {"u=x,g=,o=rw", "671",},
+        {"u=x,g=,o=rx", "672",},
+        {"u=x,g=,o=r", "673",},
+        {"u=x,g=,o=wx", "674",},
+        {"u=x,g=,o=w", "675",},
+        {"u=x,g=,o=x", "676",},
+        {"u=x,g=,o=", "677",},
+        {"u=,g=rwx,o=rwx", "700",},
+        {"u=,g=rwx,o=rw", "701",},
+        {"u=,g=rwx,o=rx", "702",},
+        {"u=,g=rwx,o=r", "703",},
+        {"u=,g=rwx,o=wx", "704",},
+        {"u=,g=rwx,o=w", "705",},
+        {"u=,g=rwx,o=x", "706",},
+        {"u=,g=rwx,o=", "707",},
+        {"u=,g=rw,o=rwx", "710",},
+        {"u=,g=rw,o=rw", "711",},
+        {"u=,g=rw,o=rx", "712",},
+        {"u=,g=rw,o=r", "713",},
+        {"u=,g=rw,o=wx", "714",},
+        {"u=,g=rw,o=w", "715",},
+        {"u=,g=rw,o=x", "716",},
+        {"u=,g=rw,o=", "717",},
+        {"u=,g=rx,o=rwx", "720",},
+        {"u=,g=rx,o=rw", "721",},
+        {"u=,g=rx,o=rx", "722",},
+        {"u=,g=rx,o=r", "723",},
+        {"u=,g=rx,o=wx", "724",},
+        {"u=,g=rx,o=w", "725",},
+        {"u=,g=rx,o=x", "726",},
+        {"u=,g=rx,o=", "727",},
+        {"u=,g=r,o=rwx", "730",},
+        {"u=,g=r,o=rw", "731",},
+        {"u=,g=r,o=rx", "732",},
+        {"u=,g=r,o=r", "733",},
+        {"u=,g=r,o=wx", "734",},
+        {"u=,g=r,o=w", "735",},
+        {"u=,g=r,o=x", "736",},
+        {"u=,g=r,o=", "737",},
+        {"u=,g=wx,o=rwx", "740",},
+        {"u=,g=wx,o=rw", "741",},
+        {"u=,g=wx,o=rx", "742",},
+        {"u=,g=wx,o=r", "743",},
+        {"u=,g=wx,o=wx", "744",},
+        {"u=,g=wx,o=w", "745",},
+        {"u=,g=wx,o=x", "746",},
+        {"u=,g=wx,o=", "747",},
+        {"u=,g=w,o=rwx", "750",},
+        {"u=,g=w,o=rw", "751",},
+        {"u=,g=w,o=rx", "752",},
+        {"u=,g=w,o=r", "753",},
+        {"u=,g=w,o=wx", "754",},
+        {"u=,g=w,o=w", "755",},
+        {"u=,g=w,o=x", "756",},
+        {"u=,g=w,o=", "757",},
+        {"u=,g=x,o=rwx", "760",},
+        {"u=,g=x,o=rw", "761",},
+        {"u=,g=x,o=rx", "762",},
+        {"u=,g=x,o=r", "763",},
+        {"u=,g=x,o=wx", "764",},
+        {"u=,g=x,o=w", "765",},
+        {"u=,g=x,o=x", "766",},
+        {"u=,g=x,o=", "767",},
+        {"u=,g=,o=rwx", "770",},
+        {"u=,g=,o=rw", "771",},
+        {"u=,g=,o=rx", "772",},
+        {"u=,g=,o=r", "773",},
+        {"u=,g=,o=wx", "774",},
+        {"u=,g=,o=w", "775",},
+        {"u=,g=,o=x", "776",},
+        {"u=,g=,o=", "777"}
+    };
     
     for(int i = 0; i < symbolic.length; i += 2) {
-      conf.set(FsPermission.UMASK_LABEL, symbolic[i]);
+      conf.set(FsPermission.UMASK_LABEL, symbolic[i][0]);
-      short val = Short.valueOf(symbolic[i + 1], 8);
+      short val = Short.valueOf(symbolic[i][1], 8);
       assertEquals(val, FsPermission.getUMask(conf).toShort());
     }
   }