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bart (1)
  • >> bart (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
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    NAME

    bart - basic audit reporting tool
     
    

    SYNOPSIS

    /usr/bin/bart create [ -n] [-R root_directory] 
        [-r rules_file | -]
    

    /usr/bin/bart create [-n] [-R root_directory] -I 
        [file_name]...
    

    /usr/bin/bart compare [-i attribute ] [-p] 
        [-r rules_file | -] control-manifest test-manifest
    

     

    DESCRIPTION

    bart(1M) is a tool that performs a file-level check of the software contents of a system.

    You can also specify the files to track and the types of discrepancies to flag by means of a rules file, bart_rules. See bart_rules(4).

    The bart utility performs two basic functions:

    bart create

    The manifest generator tool takes a file-level snapshot of a system. The output is a catalog of file attributes referred to as a manifest. See bart_manifest(4).

    You can specify that the list of files be cataloged in three ways. Use bart create with no options, specify the files by name on the command line, or create a rules file with directives that specify which the files to monitor. See bart_rules(4).

    By default, the manifest generator catalogs all attributes of all files in the root (/) file system. File systems mounted on the root file system are cataloged only if they are of the same type as the root file system.

    For example, /, /usr, and /opt are separate UFS file systems. /usr and /opt are mounted on /. Therefore, all three file systems are cataloged. However, /tmp, also mounted on /, is not cataloged because it is a TMPFS file system. Mounted CD-ROMs are not cataloged since they are HSFS file systems.

    bart compare

    The report tool compares two manifests. The output is a list of per-file attribute discrepancies. These discrepancies are the differences between two manifests: a control manifest and a test manifest.

    A discrepancy is a change to any attribute for a given file cataloged by both manifests. A new file or a deleted file in a manifest is reported as a discrepancy.

    The reporting mechanism provides two types of output: verbose and programmatic. Verbose output is localized and presented on multiple lines, while programmatic output is more easily parsable by other programs. See OUTPUT.

    By default, the report tool generates verbose output where all discrepancies are reported except for modified directory timestamps (dirmtime attribute).

    To ensure consistent and accurate comparison results, control-manifest and test-manifest must be built with the same rules file.

    Use the rules file to ignore specified files or subtrees when you generate a manifest or compare two manifests. Users can compare manifests from different perspectives by re-running the bart compare command with different rules files.  

    OPTIONS

    The following options are supported:

    -i attribute ...

    Specify the file attributes to be ignored globally. Specify attributes as a comma separated list.

    This option produces the same behavior as supplying the file attributes to a global IGNORE keyword in the rules file. See bart_rules(4).

    -I [file_name...]

    Specify the input list of files. The file list can be specified at the command line or read from standard input.

    -n

    Prevent computation of content signatures for all regular files in the file list.

    -p

    Display manifest comparison output in ``programmatic mode,'' which is suitable for programmatic parsing. The output is not localized.

    -r rules_file

    Use rules_file to specify which files and directories to catalog, and to define which file attribute discrepancies to flag. If rules_file is -, then the rules are read from standard input. See bart_rules(4) for the definition of the syntax.

    -R root_directory

    Specify the root directory for the manifest. All paths specified by the rules, and all paths reported in the manifest, are relative to root_directory.

    Note -

    The root file system of any non-global zones must not be referenced with the -R option. Doing so might damage the global zone's file system, might compromise the security of the global zone, and might damage the non-global zone's file system. See zones(5).

     

    OPERANDS

    bart allows quoting of operands. This is particularly important for white-space appearing in subtree and subtree modifier specifications.

    The following operands are supported:

    control-manifest

    Specify the manifest created by bart create on the control system.

    test-manifest

    Specify the manifest created by bart create on the test system.

     

    OUTPUT

    The bart create and bart compare commands write output to standard output, and write error messages to standard error.

    The bart create command generates a system manifest. See bart_manifest(4).

    When the bart compare command compares two system manifests, it generates a list of file differences. By default, the comparison output is localized. However, if the -p option is specified, the output is generated in a form that is suitable for programmatic manipulation.  

    Default Format

    filename
    attribute control:xxxx test:yyyy
    

    filename

    Name of the file that differs between control-manifest and test-manifest. For file names that contain embedded whitespace or newline characters, see bart_manifest(4).

    attribute

    The name of the file attribute that differs between the manifests that are compared. xxxx is the attribute value from control-manifest, and yyyy is the attribute value from test-manifest. When discrepancies for multiple attributes occur for the same file, each difference is noted on a separate line.

    The following attributes are supported:

    acl

    ACL attributes for the file. For a file with ACL attributes, this field contains the output from acltotext().

    all

    All attributes.

    contents

    Checksum value of the file. This attribute is only specified for regular files. If you turn off context checking or if checksums cannot be computed, the value of this field is -.

    dest

    Destination of a symbolic link.

    devnode

    Value of the device node. This attribute is for character device files and block device files only.

    dirmtime

    Modification time in seconds since 00:00:00 UTC, January 1, 1970 for directories.

    gid

    Numerical group ID of the owner of this entry.

    lnmtime

    Creation time for links.

    mode

    Octal number that represents the permissions of the file.

    mtime

    Modification time in seconds since 00:00:00 UTC, January 1, 1970 for files.

    size

    File size in bytes.

    type

    Type of file.

    uid

    Numerical user ID of the owner of this entry.

    The following default output shows the attribute differences for the /etc/passwd file. The output indicates that the size, mtime, and contents attributes have changed.

    /etc/passwd:
     size  control:74  test:81
     mtime  control:3c165879  test:3c165979
     contents  control:daca28ae0de97afd7a6b91fde8d57afa
    test:84b2b32c4165887355317207b48a6ec7
    

     

    Programmatic Format

    filename attribute control-val test-val [attribute control-val test-val]*
    

    filename

    Same as filename in the default format.

    attribute control-val test-val

    A description of the file attributes that differ between the control and test manifests for each file. Each entry includes the attribute value from each manifest. See bart_manifest(4) for the definition of the attributes.

    Each line of the programmatic output describes all attribute differences for a single file.

    The following programmatic output shows the attribute differences for the /etc/passwd file. The output indicates that the size, mtime, and contents attributes have changed.

    /etc/passwd size 74 81 mtime 3c165879 3c165979
    contents daca28ae0de97afd7a6b91fde8d57afa 84b2b32c4165887355317207b48a6ec7
    

     

    EXIT STATUS

     

    Manifest Generator

    The manifest generator returns the following exit values:

    0

    Success

    1

    Non-fatal error when processing files; for example, permission problems

    >1

    Fatal error; for example, invalid command-line options

     

    Report Tool

    The report tool returns the following exit values:

    0

    No discrepancies reported

    1

    Discrepancies found

    >1

    Fatal error executing comparison

     

    EXAMPLES

    Example 1 Creating a Default Manifest Without Computing Checksums

    The following command line creates a default manifest, which consists of all files in the / file system. The -n option prevents computation of checksums, which causes the manifest to be generated more quickly.

    bart create -n
    

    Example 2 Creating a Manifest for a Specified Subtree

    The following command line creates a manifest that contains all files in the /home/nickiso subtree.

    bart create -R /home/nickiso
    

    Example 3 Creating a Manifest by Using Standard Input

    The following command line uses output from the find(1) command to generate the list of files to be cataloged. The find output is used as input to the bart create command that specifies the -I option.

    find /home/nickiso -print | bart create -I
    

    Example 4 Creating a Manifest by Using a Rules File

    The following command line uses a rules file, rules, to specify the files to be cataloged.

    bart create -r rules
    

    Example 5 Comparing Two Manifests and Generating Programmatic Output

    The following command line compares two manifests and produces output suitable for parsing by a program.

    bart compare -p manifest1 manifest2
    

    Example 6 Comparing Two Manifests and Specifying Attributes to Ignore

    The following command line compares two manifests. The dirmtime, lnmtime, and mtime attributes are not compared.

    bart compare -i dirmtime,lnmtime,mtime manifest1 manifest2
    

    Example 7 Comparing Two Manifests by Using a Rules File

    The following command line uses a rules file, rules, to compare two manifests.

    bart compare -r rules manifest1 manifest2
    

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE

    AvailabilitySUNWbart

    Interface Stability

     

    SEE ALSO

    cksum(1), digest(1), find(1), bart_manifest(4), bart_rules(4), attributes(5)  

    NOTES

    The file attributes of certain system libraries can be temporarily altered by the system as it boots. To avoid triggering false warnings, you should compare manifests only if they were both created with the system in the same state; that is, if both were created in single-user or both in multi-user.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    OPERANDS
    OUTPUT
    Default Format
    Programmatic Format
    EXIT STATUS
    Manifest Generator
    Report Tool
    EXAMPLES
    ATTRIBUTES
    SEE ALSO
    NOTES


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