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# SPDX-FileCopyrightText: 2017-2021 Greenbone AG
#
# SPDX-License-Identifier: GPL-3.0-or-later
import time
from argparse import ArgumentParser, FileType, Namespace, RawTextHelpFormatter
from typing import List
from gvm.protocols.gmp import Gmp
from gvmtools.helper import error_and_exit
HELP_TEXT = (
"This script will update target hosts information for a desired task.\n"
'The given task needs to have the status "new".\n\n'
"Example for starting up the routine:\n"
" $ gvm-script --gmp-username name --gmp-password pass "
"ssh --hostname <gsm> scripts/update-task-target.gmp.py +hf hosts_file.csv "
"+t 303fa0a6-aa9b-43c4-bac0-66ae0b2d1698"
)
def parse_args(args: Namespace) -> Namespace: # pylint: disable=unused-argument
"""Parsing args ..."""
parser = ArgumentParser(
prefix_chars="+",
add_help=False,
formatter_class=RawTextHelpFormatter,
description=HELP_TEXT,
)
parser.add_argument(
"+h",
"++help",
action="help",
help="Show this help message and exit.",
)
parser.add_argument(
"+t",
"++task-id",
type=str,
required=True,
dest="task_id",
help="UUID of task to be modified",
)
hosts_args = parser.add_mutually_exclusive_group()
hosts_args.add_argument(
"+hl",
"++host-list",
nargs="+",
type=str,
dest="host_list",
help="Use the given hosts (IPs) for the new target.",
)
hosts_args.add_argument(
"+hf",
"++host-file",
type=FileType("r"),
dest="host_file",
help=".csv file containing desired target hosts separated by ','",
)
script_args, _ = parser.parse_known_args()
return script_args
def load_host_file(filename) -> List[str]:
host_list = list()
try:
for line in filename.readlines():
host = line.split(",")[0]
host = host.strip()
if len(host) == 0:
continue
host_list.append(host)
except IOError as e:
error_and_exit(f"Failed to read host_file: {str(e)} (exit)")
if len(host_list) == 0:
error_and_exit("Host file is empty (exit)")
return host_list
def copy_send_target(gmp, host_list, old_target_id):
keywords = {"hosts": host_list}
keywords["comment"] = (
"This target was automatically "
f'modified: {time.strftime("%Y/%m/%d-%H:%M:%S")}'
)
old_target = gmp.get_target(target_id=old_target_id)[0]
objects = ("reverse_lookup_only", "reverse_lookup_unify", "name")
for obj in objects:
var = old_target.xpath(f"{obj}/text()")[0]
if var == "0":
var = ""
keywords[f"{obj}"] = var
port_list = {}
port_list = old_target.xpath("port_list/@id")[0]
keywords["port_list_id"] = port_list
keywords["name"] += "_copy" # the name must differ from existing names
new_target_id = gmp.create_target(**keywords).xpath("@id")[0]
print("\n New target created!\n")
print(f"Target_id: {new_target_id}")
print(f'Target_name: {keywords["name"]}\n')
return new_target_id
def create_target_hosts(gmp: Gmp, host_file, task_id, old_target_id):
new_target_id = copy_send_target(gmp, host_file, old_target_id)
gmp.modify_task(task_id=task_id, target_id=new_target_id)
print(" Task successfully modified!\n")
def check_to_delete(gmp: Gmp, target_id: str) -> None:
target = gmp.get_target(target_id=target_id)[0]
if "0" in target.xpath("in_use/text()"):
gmp.delete_target(target_id=target_id)
def main(gmp: Gmp, args: Namespace) -> None:
# pylint: disable=undefined-variable
parsed_args = parse_args(args=args)
host_list = parsed_args.host_list
if parsed_args.host_file:
host_list = load_host_file(filename=parsed_args.host_file)
task_id = parsed_args.task_id
task = gmp.get_task(task_id=task_id)[1]
old_target_id = task.xpath("target/@id")[0]
if old_target_id:
create_target_hosts(gmp, host_list, task_id, old_target_id)
check_to_delete(gmp, old_target_id)
else:
error_and_exit("The given task doesn't have an existing target.")
if __name__ == "__gmp__":
main(gmp, args)
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