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Listing Extended Attributes

You can list extended attributes of files by using native operating system commands, or system calls. As part of GuardPoint administration, CTE can modify or delete extended attributes.

Note

This functionality is only available for local file systems. It is not supported for files in NFS Share GuardPoints.

In Linux, CTE-LDT attributes are set on GuardPoint directories and regular files in GuardPoint directories protected with CTE-LDT policies. The CTE extended attribute name is ::secfs:xattr:.

The following examples use the native Linux operating system command attr to display the CTE-LDT attribute for the GuardPoint /oxf-fs1/gp1 and the file /oxf-fs1/gp1/File_1.txt.

Example Getting File Attributes

attr -l /oxf-fs1/gp1/File_1.txt
Attribute "::secfs:xattr:" has a 1044 byte value for /oxf-fs1/gp1/File_1.txt
Attribute "selinux" has a 37 byte value for /oxf-fs1/gp1/File_1.txt

Example Getting GuardPoint Attributes

attr -l /oxf-fs1/gp1
Attribute "::secfs:xattr:" has a 1044 byte value for /oxf-fs1/gp1
Attribute "selinux" has a 37 byte value for /oxf-fs1/gp1

Example of voradmin ldt attr get for Linux File Attributes

In the following example, the file /oxf-fs1/gp1/File_1.txt has the same name for current and new keys at the same key version. In the following example, if the versioned key LDT_KEY is at version 755, the file is rekeyed to the latest key version under the CTE-LDT policy.

voradmin ldt attr get /oxf-fs1/gp1/File_1.txt
CTE-LDT attributes: rekeyed_size=4096, rekey_status=none
 Key:    name=LDT_KEY, version=755

Example of voradmin ldt attr get for Linux GuardPoint Attributes

The following is example of an CTE-LDT attribute on a GuardPoint directory on Linux:

voradmin ldt attr get /oxf-fs1/gp1
LDT stats: version=1, rekey_status=rekeying
       Number of times rekeyed:         3 times
       Rekey start time:                2018/08/04 16:24:45
       Last rekey completion time:      2018/07/04 16:24:04
       Estimated rekey completion time: N/A
       Policy key version:              2043
       Data stats:
          total=3.3GB, rekeyed=1.5GB, truncated=0.0MB
       File stats:
          total=4307, rekeyed=1181,
          passed=2, skipped=0, created=0, removed=0

Example of voradmin ldt attr get for Linux NFS Share GuardPoint Attributes

The following example shows how to use the voradmin ldt attr get command to view the LDT attribute on GuardPoint directories over NFS shares:

secfsd -unguard /nfs-oxf-fs1/gp2
secfsd: Path is not guarded
voradmin ldt attr get /nfs-oxf-fs1/gp2
LDT stats: version=3, rekey_status=rekeyed
        Number of times rekeyed:                1 time
        Rekey start time:                       2021/01/04 08:19:02
        Last rekey completion time:             2021/01/04 08:19:03
        Estimated rekey completion time:        N/A
        Policy key version:                     0
        Policy ID:
                23785
        Data stats:
                total=0.0MB, rekeyed=0.0MB
                truncated=0.0MB, sparse=0.0MB
        File stats:
                total=3, rekeyed=1, failed=0
                passed=0, skipped=0, created=0, removed=0, excluded=0

Example of voradmin ldt attr get for Windows GuardPoint Attributes

The attribute for the GuardPoint c:\GP 1 contains the status (rekeyed) and statistics specific to the GuardPoint and CTE-LDT. Following is sample output of voradmin command on Windows for statistics on a file:

C:\> voradmin ldt attr get c:\GP\Test.txt
LDT attributes:
    Rekey Status           Rekeyed
    Initial Rekeyed Size   10 Bytes
Key:
    Key Name/Version       (LDT_KEY, 28)

The attribute for GuardPoint C:\GP contains the status (rekeyed) and statistics specific to the GuardPoint and CTE-LDT:

C:\> voradmin ldt attr get c:\gp\
LDT Stats
-------------------------------
    Rekey Status                                  LDT_ST_REKEYED
    Last rekey completion time        10/2/2017 4:26:50
    Rekey Start time                            10/2/2017 4:26:17
    Estimated rekey completion time   000:00:00

File Stats:
    Total      444
    Rekeyed    444
    Skipped    0
    Errored    0
    Passed     0
    Removed    0

Data Stats:
    Total      11 GB (12649143417 Bytes)
    Rekeyed    11 GB (12649143417 Bytes)
    Truncated  0 Bytes

Example of voradmin ldt attr get for Windows CIFS Share GuardPoint Attributes

The following example shows how to get the CTE-LDT attributes for the CIFS GuardPoint \\myhost\share\HR-Files\.

C:\>voradmin ldt attr get \\myhost\share\HR-Files\

Live Data Transformation Stats
--------------------------------

    Rekey Status                      LDT_ST_REKEYED
    Last rekey completion time        2/24/2021 13:42:40
    Rekey Start time                  2/24/2021 13:36:47
    Estimated rekey completion time   000:00:00

File Stats:
    Total      19087
    Rekeyed    19087
    Skipped    0
    Errored    0
    Passed     0
    Removed    0
    Excluded   0

Data Stats:
    Total      1 GB (1083187108 Bytes)
    Rekeyed    958 MB (1005006756 Bytes)
    Truncated  0 Bytes

Example of voradmin ldt attr get for Windows CIFS Share File Attributes

The following example shows how to get the CTE-LDT attributes for the file employees.doc on the CIFS share \\myhost\share\HR-Files\.

C:\>voradmin ldt attr get \\myhost\share\HR-Files\employees.doc

LDT attributes:
    Rekey Status           Rekeyed
    Initial Rekeyed Size   0 Bytes

Key:
    Key Name/Version       (AES_256_LDTKey_CBC,15)

Listing Extended Attributes

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