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hooleylist
Cirrostratus
Cirrostratus

Problem this snippet solves:

ASM all policy export v1.4 - 15 Aug 2007

Writes out the active policy for each ASM web application to a gzip'd tar archive (see usage subrouting for details)

Tested on BIG-IP ASM versions: 9.2.4, 9.4.0, 9.4.1

Aaron Hooley - LODOGA Security Limited (hooleylists at gmail dot com)

Code :

#!/usr/bin/perl 
#
# ASM policy export
# v1.4 - 15 Aug 2007
#
# Writes out the active policy for each ASM web application to a gzip'd tar archive
#   (see usage subrouting for details)
#
# Tested on BIG-IP ASM versions: 9.2.4, 9.4.0, 9.4.1
#
# Aaron Hooley - LODOGA Security Limited (hooleylists@gmail.com)
#

use strict;
use warnings;
use DBI;
use lib '/ts/packages/';
use GenUtils qw//;
use POSIX qw/strftime/;
use File::Path;
# pass_through: all unknown options are left in @ARGV
use Getopt::Long qw(:config pass_through);
use File::Basename;

$SIG{PIPE} = 'IGNORE';

use constant DEBUG             => 1;                                                # 1 = log debug messages to standard out; 0 = don't use debug
use constant OUTPUT_DIR        => '/shared/asm_all_policy_export/output/';          # Default output directory for finalized compressed tar archive containing each output file

# options below these shouldn't need to be modified

use constant UCS_DIR           => '/var/local/ucs/';                                # If writing output file as a UCS for access to files via the GUI, use the UCS directory
use constant TMP_DIR           => '/shared/tmp/';                                   # Temporary directory to write the individual policies to
use constant VERSION_FILE      => '/VERSION';                                       # File which contains BIG-IP version info
use constant LOCK_FILE         => '/ts/lock/asm_all_policy_export.lock';            # Lock file used to ensure only one copy of the script is executing at a time
use constant USERS_CFG_FILE    => '/ts/common/users.cfg';                           # System file containing user and database details
use constant VERSION_FILE      => '/VERSION';                                       # System file which contains BIG-IP version info
use constant DRIVER            => GenUtils::cfg_get_config_item(USERS_CFG_FILE, 'DATABASE', 'Driver');
use constant DCC               => GenUtils::cfg_get_config_item(USERS_CFG_FILE, 'DATABASE', 'Name');
use constant PLC               => GenUtils::cfg_get_config_item(USERS_CFG_FILE, 'POLICY_DATABASE', 'Name');
use constant DB_USER           => GenUtils::cfg_get_config_item(USERS_CFG_FILE, 'DATABASE', 'User');
use constant F5_EXPORT_SCRIPT  => '/ts/tools/import_export_policy.pl';

# Stop this script if ASM is not licensed
check_license();

# Create a lock so only one instance of script runs at a time
my ($lock_sub,$unlock_sub,$cleanup_lock_sub) = 
    GenUtils::lock_factory(LOCK_FILE)
        or fatal_error("Cannot open lockfile '".LOCK_FILE."': $!");
$lock_sub->();

# Stop the script if the F5 single policy export script doesn't exist
if (not (-e F5_EXPORT_SCRIPT)){
    fatal_error(qq{Cannot access F5 export script: }.F5_EXPORT_SCRIPT."\n\n");
}

# Get command line options if the script was called correctly
#    Return variables (and their default values) are: debug ('not_set'), output_path ('not_set'), output_file ('not_set'), use_ucs_dir (0)
#    As the handle_commandline_arguments subroutine handles the help flag itself, we don't need to consider it
my %args = handle_commandline_arguments();

# Set the debug level to the higher level of the constant and command line interface (CLI) option.  See usage for debug levels.
my $debug = $args{debug};
if ($debug eq 'not_set') {
    $debug = DEBUG;
}
print "Verbose debug enabled\n" if $debug > 1;

# Get MySQL password (and verify the BIG-IP version is supported by this script)
my $mysql_pass = get_mysql_password();

# Verify required config items were read successfully
if (not defined DRIVER or not defined DCC or not defined PLC or not defined DB_USER or not defined $mysql_pass){
    fatal_error(qq{Problems accessing database users configuration file\n\n});
}

# Get current timestamp for output filename, formatted as %Y-%m-%d_%H-%M-%S
my $date = get_date();

# Set output directory according to CLI option or default from constant.
#   If use_ucs_dir option is enabled, ignore any other setting for the path of the output and use UCS_DIR constant value
my $use_ucs_dir = 0;
my $output_path;

# Check if the CLI option for using the UCS dir is set
if ($args{use_ucs_dir}==1){
    # It is; so we're writing out the output file to the UCS directory
    $use_ucs_dir = 1;
    $output_path = UCS_DIR;
} elsif ($args{output_path} ne 'not_set' and length($args{output_path}) > 1){
    # UCS option wasn't set, and another output path was set via CLI option
    $output_path= $args{output_path};
} else {
    # UCS option wasn't set and no output path was specified in CLI option, so use the default path from the constant
    $output_path = OUTPUT_DIR;
}
# Add a trailing slash to the output path if it's not there already
if (substr($output_path,-1,1) ne "/") {
    $output_path .= "/";
}

# Create the output path if it doesn't exist already (skip this for the UCS path as it has to already exist)
if (not $use_ucs_dir){
    make_output_path($output_path);
}

# Set the output fully qualified filename according to CLI if set, else default to the constant value
my $output_file;
if ($args{output_file} eq 'not_set' or length($args{output_file})==0){
    # Output file wasn't specified in CLI option, so use the default
    $output_file = build_output_filename_with_path($output_path, $date);
} else {
    # An output file was specified in the CLI option so use that for the filename
    $output_file = $output_path.$args{output_file};
}

# Append .ucs to the filename if using the UCS path for output, so the GUI will present it in the archive list.
#   Check that the filename doesn't already end in .ucs
if ($use_ucs_dir==1 and not ($output_file =~ /.*?\.ucs$/i)){
   $output_file .= ".ucs";
}

# Check if mysql is up.  If not, start it
my $restore_mysql_to_prior_state = check_mysql(); 

# Run the export subroutine 
export();

# Stop mysql if it wasn't running before we started 
$restore_mysql_to_prior_state->(); 

# Release the lock
$unlock_sub->();
$cleanup_lock_sub->();
exit;

#
# Main subroutine which exports the active policies and writes the output to a compressed tar archive
#
sub export {

    # Initialize an array to store the full path/filename for the individual exported policies 
    my @exported_filenames;

    # SQL query to retrieve the names of each web app, the active policy name and the active policy ID
    my $sql_statement = qq{
        SELECT a.domain_name AS 'Web App', p.name AS 'Policy', p.id AS 'POLICY.ID'
        FROM DCC.ACCOUNTS a INNER JOIN PLC.PL_POLICIES p
        ON a.active_policy_id = p.id;
    };

    # Connect to mysql database
    my $dbh = connect_to_db($mysql_pass);

    # Prepare the SQL statement
    my $sth = $dbh->prepare($sql_statement)                                                    
        or fatal_error(qq{Problems preparing sql: |$sql_statement|: $DBI::errstr\n\n});

    # Execute the SQL statement
    $sth->execute()
        or fatal_error(qq{Problems executing sql: |$sql_statement|: $DBI::errstr\n\n});           

    print $sth->rows()." active policies in resultset\n" if $debug > 1;

    # Loop through each web app and export the active policy using the F5 export policy script
    while (my @row = $sth->fetchrow_array()) {

        # Parse the three column values for this record
        my ($webapp, $policy_name, $policy_id) = @row;

        print "\$webapp = $webapp; \$policy_name = $policy_name, \$policy_id = $policy_id\n" if $debug > 1;

        # Build file name for a single policy
        my $single_policy = $webapp.'_'.$policy_name.'_'.$date.'.plc';

        # Add current single policy file to the array of files
        push (@exported_filenames, $single_policy);

        # Call the F5 supplied policy export command:
        # /ts/tools/import_export_policy.pl -a ACTION -p POLICY_ID -f OUTPUT_FILE
        # example: /ts/tools/import_export_policy.pl -a export -p 1 -f /shared/tmp/policy_export/my-web-app_policy-name_2007-08-01_12-00-00.plc
        my @export_cmd = ( 'nice -n 19', F5_EXPORT_SCRIPT, '-a export', '-p', $policy_id, '-f', TMP_DIR.$single_policy);
        print "@export_cmd \n" if $debug > 1;

        # Run the export command for a single policy
        my $out = `@export_cmd`; 
        print "policy export result: $out\n" if $debug > 1;

        if (not ($out =~ "successfully")){
            fatal_error( qq/Failed to export policy using '@export_cmd'\n\n/ );
        }
    }

    # tar up the files (uses 'nice -n 19' to lower the CPU priority for the tar'ing)
    my @tar_cmd = ( 'nice -n 19 tar', '-z', '-c', '-f', $output_file, '-C', TMP_DIR, @exported_filenames);

    print @tar_cmd if $debug > 1;

    system("@tar_cmd") == 0
        or fatal_error( qq/Failed to create tar using '@tar_cmd'/ );

    # Clean up temp files
    cleanup(@exported_filenames);

    # Report success with the output file name
    print "Exported ".$sth->rows()." policies to " . $output_file . "\n" if $debug > 0; 

    # Log a successful message to syslog
    GenUtils::ts_syslog( 'info', 'All active ASM policies exported to %s', $output_file );

}

#
# Other subroutines
#

sub get_mysql_password {

    # Verify BIG-IP version is supported and get MySQL password based on version
    my $bigip_version = get_bigip_version();

    # Initialize a variable to store the MySQL password.  MySQL password is different between (9.2.x/9.3.x) and 9.4.x+
    my $mysql_pass;

    # If version is 9.4.x use F5 function get_mysql_password
    if (substr($bigip_version,0,3) eq "9.4"){ 
        $mysql_pass = GenUtils::get_mysql_password();
    } elsif (substr($bigip_version,0,3) eq "9.2" or substr($bigip_version,0,3) eq "9.3"){
        # For 9.2.x and 9.3.x, get it from the users.cfg file
        $mysql_pass = GenUtils::cfg_get_config_item(USERS_CFG_FILE, 'DATABASE', 'Password');
    } else {
        # Parsed version was unknown, so kill the script
        fatal_error(qq{Version $bigip_version unknown\n\n});
    }
    print "\$mysql_pass: $mysql_pass\n" if $debug > 1;
    return $mysql_pass;
}


sub build_output_filename_with_path {

    # Build the path/filename for the output file.  Expect the path and date as parameters.
    my ($output_path, $date) = @_;

    # Get BIG-IP hostname
    my $bigip_hostname = get_bigip_hostname();

    # Build name of output tar ball with fully qualified path
    return ($output_path . $bigip_hostname."_policy-export_$date.tgz");
}

sub get_bigip_hostname {
    # Get the BIG-IP hostname
    my $hostname = `hostname`;
    if (not defined $hostname){
        fatal_error(qq{Cannot get BIG-IP hostname using hostname command});
    } else {
        chomp($hostname);
        return $hostname;
    }
}
sub get_bigip_version {
    # Get the BIG-IP version to determine how to get MySQL root password
    my $version;

    # Check if version file exists
    if (-f VERSION_FILE){
        # Open the version file or stop script
        open (my $fh, '<', VERSION_FILE) 
            or fatal_error(qq{get_bigip_version: cannot open version file }.VERSION_FILE);
        # Read in the contents of the version file
        while (<$fh>){
            # Do case insensitive search for "version: xxx" and get the match from a backreference ($1)
            if ($_ =~ /^version:\s+(\S+)$/i){
                $version = $1;
                print "get_bigip_version: \$version: $version\n" if $debug > 1;
            }
        }
        if (not $version){
            # Kill the script as we couldn't parse the version
            fatal_error(qq{get_bigip_version: Could not parse version from: }.VERSION_FILE."\n");
        }
        close $fh;
    } else {
       fatal_error(qq{get_bigip_version: version file does not exist: }.VERSION_FILE);
    }
    return ("$version");
}

sub cleanup {
    # Clean up temp files used during policy export

    print "Cleaning up\n" if $debug > 1;
    my (@files_to_cleanup) = @_;

    foreach my $file (@files_to_cleanup) {
        if ( -e TMP_DIR.$file ) {
            print "Deleting temp file: " . TMP_DIR . $file . "\n" if $debug > 1;
            unlink TMP_DIR.$file
                or warn qq/Failed to remove file '/. TMP_DIR . $file . qq/': $!/;
        }
    }
}

sub check_mysql {
    # Is mysql running?
    my $mysql_was_up = GenUtils::check_mysql();
    return sub {
        GenUtils::stop_mysql() unless $mysql_was_up;
    };
}

sub connect_to_db {
    # Open database connection
    #my $mysql_pass = @_;
    my $database = 'DCC';
    my $dbh = DBI->connect( 
        "DBI:".DRIVER.":".$database, 
        DB_USER, 
        $mysql_pass, {
            PrintError => 0,
            RaiseError => 0,
            FetchHashKeyName   => 'NAME_lc',
        } 
    ) or fatal_error( "Cannot connect to $database: $DBI::errstr\n" );
    return $dbh;
}

sub check_license {
    # Kill script if ASM isn't licensed
    if ( not GenUtils::is_ts_licensed() ) {
        GenUtils::ts_syslog( 'info', 'ASM support is not enabled' );
        fatal_error(qq{ASM is not licensed.  Aborting script.\n});
    }
}

sub get_date {
    # Get date in format year-month-day_hour-minute-second
    return POSIX::strftime( "%Y-%m-%d_%H-%M-%S", localtime );
}

sub make_output_path {
    # Create the output path if it doesn't exist already
    my ($output_path) = @_;

    if (not (-d $output_path)){
        eval { mkpath($output_path) };
        if ($@) {
            fatal_error(qq{Could not create path $output_path: $@\n});
        } else {
            print "make_output_path: made path $output_path" if $debug > 1;
        }
    }
}

sub fatal_error {
    # Write error details to syslog and exit script
    my ($msg,%args) = @_;
    GenUtils::ts_syslog('err', "%s", $msg);
    print $msg;
    exit(1);
}

sub handle_commandline_arguments {

    # Set some default values for the options
    my %arguments = ();
    $arguments{debug}       = 'not_set';
    $arguments{output_path}  = 'not_set';
    $arguments{output_file} = 'not_set';
    $arguments{use_ucs_dir} = 0;
    $arguments{help}        = 0;
 
    # Parse the options from the command line
    my $options = GetOptions (
        "debug|d:i"               => \$arguments{debug},        # match for debug or d as an integer
        "output_path|p:s"         => \$arguments{output_path},  # match on output_path or p as a string
        "output_filename|f:s"     => \$arguments{output_file},  # match on output_file or f as a string
        "use_ucs_directory|u"     => \$arguments{use_ucs_dir},  # match on use_ucs_directory or u, binary type
        "help|h"                  => \$arguments{help},         # match on help or h, binary type
    );
    # Debug printing of options 
    if ($arguments{debug} ne 'not_set' and $arguments{debug} > 1){
        while (my ($key, $value) = each(%arguments)){
            print $key.": ".$value."\n";
        }
        if (@ARGV){
            print "extra args found: \n"; 
            print "@ARGV\n";
        }
    }

    # print the usage info if the options couldn't be parsed, help option was enabled, unknown options were used, or the output_path doesn't start with a /
    if ($arguments{help}){
        print "Help option set\n".usage();
    } elsif (@ARGV) {
        print "Unparsed options set: \n";
        print "@ARGV\n";
        print usage();
    } elsif ($arguments{output_path} ne "not_set" and substr($arguments{output_path},0,1) ne "/"){
        print "output_file value must start with a forward slash\n".usage();
    } else {
        return %arguments;
    }
}

sub usage {
    # stop the script if this sub is called, as we're just printing the options for calling the script

    # get script name 
    my ($script_name, $gar, $bage) = File::Basename::fileparse($0);
    die (qq{
--------------------------------------------------------------
NAME
        $script_name 
           - ASM all policy export

             Write out each active policy to a single compressed tar archive

DESCRIPTION
        $script_name
           - Write out the policy that is marked as active for each ASM web application.
             Each policy is exported from the internal database and written to a combined
             gzip compressed tar archive.  The output path and filename can be configured 
             using command line options or in constants defined in the script.
 
OPTIONS
        -d --debug
                0 - print nothing to standard output
                1 - print output filenames to standard output
                2 - print verbose logging to standard ouput

                Note: values greater than 2 are considered as 2

                Default: 1

        -p --output_path
                String containing the directory to write the output file. If the path does not exist it will be created.
                Must start with a leading forward slash.

                Note: this option is ignored if the -u/--use_ucs_dir option is enabled

                Default: }.OUTPUT_DIR.qq{

        -f --output_filename
                String containing the name of the output file.

                Note: if the -u/--use_ucs_dir option is enabled, the file extension ".ucs" 
                will be appended to the filename if not already present.

                Default: BIGIP_HOSTNAME_policy-export_DATE.tgz

        -u --use_ucs_directory
                If enabled, the output file will be written to the UCS directory with a file extension of ".ucs".  
                This allows access to the output file via the BIG-IP admin GUI under System >> Archives.

                Note: use of this option overrides the use of the -f/--output_dir option

                Default: Disabled

        -h --help
                Print this help menu

EXAMPLES
        $script_name -d 2 -p /path/to/ -f output.tgz

        Use debug level 2, write output to the specified path and file

        $script_name --debug 2 --ucs --output_filename asm_policy_export.tgz.ucs

Use debug level 2, write output archive to the UCS directory with the specified filename.

--------------------------------------------------------------
});
}
Comments
paul_dawson_258
Nimbostratus
Nimbostratus

Does this work on 11?

 

Version history
Last update:
‎12-Mar-2015 16:24
Updated by:
Contributors