def execute_command(logger, cmd, answer_section_regex, flags):
binary = "/usr/bin/dig"
cmd = f"{binary} {cmd}"
logger.info(f"Executing command {cmd}")
r = insightconnect_plugin_runtime.helper.exec_command(cmd)
stdout = r["stdout"].decode("utf-8")
# Grab query status
status = util.safe_parse(re.search("status: (.+?),", stdout))
# Grab nameserver
ns = util.safe_parse(re.search("SERVER: (.+?)#", stdout))
# Grab number of answers
answers = util.safe_parse(re.search(r"ANSWER: ([0-9]+)", stdout))
answer_section = None
if util.not_empty(answers):
answers = int(answers)
# We need answers to continue
if answers > 0:
# Grab resolved address section
if flags is None:
answer_section = util.safe_parse(re.search(answer_section_regex, stdout))
else:
answer_section = util.safe_parse(re.search(answer_section_regex, stdout, flags=flags))
if status != "NOERROR":
stdout = f"Resolution failed, nameserver {ns} returned {status} status"
return {
"answer_section": answer_section,
"fulloutput": stdout + r["stderr"].decode("utf-8"),
"nameserver": ns,
"status": status,
}
def execute_command(logger, cmd, answer_section_regex, flags):
binary = "/usr/bin/dig"
cmd = f"{binary} {cmd}"
logger.info(f"Executing command {cmd}")
r = insightconnect_plugin_runtime.helper.exec_command(cmd)
stdout = r['stdout'].decode('utf-8')
# Grab query status
status = util.safe_parse(re.search('status: (.+?),', stdout))
# Grab nameserver
ns = util.safe_parse(re.search('SERVER: (.+?)#', stdout))
# Grab number of answers
answers = util.safe_parse(re.search(r'ANSWER: ([0-9]+)', stdout))
answer_section = None
if util.not_empty(answers):
answers = int(answers)
# We need answers to continue
if answers > 0:
# Grab resolved address section
if flags is None:
answer_section = util.safe_parse(re.search(answer_section_regex, stdout))
else:
answer_section = util.safe_parse(re.search(answer_section_regex, stdout, flags=flags))
if status != "NOERROR":
stdout = f'Resolution failed, nameserver {ns} returned {status} status'
return {
'answer_section': answer_section,
'fulloutput': stdout + r['stderr'].decode('utf-8'),
'nameserver': ns,
'status': status
}
def run(self, params={}):
if len(params.get(Input.RESOLVER, '')) > 0:
cmd = f"@{params.get(Input.RESOLVER)} {params.get(Input.DOMAIN)} {params.get(Input.QUERY)}"
else:
cmd = f"{params.get(Input.DOMAIN)} {params.get(Input.QUERY)}"
command_output = util.execute_command(self.logger, cmd, r'ANSWER SECTION:\n(.*)\n\n;;', re.DOTALL)
answer_section = command_output['answer_section']
if answer_section is None:
ans = ['Not found']
else:
# Grab address
if params[Input.QUERY] == "SOA":
domain = util.safe_parse(re.search(r'SOA\t(\S+)', answer_section))
if util.not_empty(domain):
domain = domain.rstrip('.')
ans = [domain]
else:
ans = answer_section.split('\n')
if len(ans) == 0:
ans.append('NO MATCHES FOUND')
ans = [util.safe_parse(re.search(r'\s(\S+)$', answer)) for answer in ans]
ans = [answer.rstrip('.') for answer in ans]
return {
Output.FULLOUTPUT: command_output['fulloutput'],
Output.QUESTION: params.get(Input.DOMAIN),
Output.NAMESERVER: command_output['nameserver'],
Output.STATUS: command_output['status'],
Output.ANSWER: ans[0],
Output.LAST_ANSWER: ans[len(ans) - 1],
Output.ALL_ANSWERS: ans
}
def run(self, params={}):
binary = "/usr/bin/dig"
if len(params.get('resolver', '')) > 0:
cmd = "%s @%s -x %s" % (binary, params.get('resolver'),
params.get('address'))
else:
cmd = "%s -x %s" % (binary, params.get('address'))
self.logger.info('Executing command %s' % cmd)
r = komand.helper.exec_command(cmd)
# Grab query status
status = util.safe_parse(re.search('status: (.+?),', r['stdout']))
# Grab nameserver
ns = util.safe_parse(re.search('SERVER: (.+?)#', r['stdout']))
# Grab number of answers
answers = util.safe_parse(re.search(r'ANSWER: ([0-9]+)', r['stdout']))
if util.not_empty(answers): answers = int(answers)
# We need answers to continue
address = ""
if answers > 0:
# Grab address section
answer_section = util.safe_parse(
re.search(r'ANSWER SECTION:\n(.*\n)', r['stdout']))
# Grab address
address = util.safe_parse(re.search(r'\s(\S+)\n', answer_section))
if util.not_empty(address): address = address.rstrip('.')
if status != "NOERROR":
r['stdout'] = 'Resolution failed, nameserver %s returned %s status' % (
ns, status)
address = 'Not found'
return {
'fulloutput': r['stdout'] + r['stderr'],
'question': params.get('address'),
'nameserver': ns,
'status': status,
'answer': address
}
def run(self, params={}):
if len(params.get(Input.RESOLVER, "")) > 0:
cmd = f"@{params.get(Input.RESOLVER)} {params.get(Input.DOMAIN)} {params.get(Input.QUERY)}"
else:
cmd = f"{params.get(Input.DOMAIN)} {params.get(Input.QUERY)}"
command_output = util.execute_command(self.logger, cmd,
r"ANSWER SECTION:\n(.*)\n\n;;",
re.DOTALL)
answer_section = command_output["answer_section"]
if answer_section is None:
ans = ["Not found"]
else:
# Grab address
if params[Input.QUERY] == "SOA":
domain = util.safe_parse(
re.search(r"SOA\t(\S+)", answer_section))
if util.not_empty(domain):
domain = domain.rstrip(".")
ans = [domain]
else:
ans = answer_section.split("\n")
if len(ans) == 0:
ans.append("NO MATCHES FOUND")
ans = [
util.safe_parse(re.search(r"\s(\S+)$", answer))
for answer in ans
]
ans = [answer.rstrip(".") for answer in ans]
return {
Output.FULLOUTPUT: command_output["fulloutput"],
Output.QUESTION: params.get(Input.DOMAIN),
Output.NAMESERVER: command_output["nameserver"],
Output.STATUS: command_output["status"],
Output.ANSWER: ans[0],
Output.LAST_ANSWER: ans[len(ans) - 1],
Output.ALL_ANSWERS: ans,
}
def run(self, params={}):
if len(params.get(Input.RESOLVER, '')) > 0:
cmd = f"@{params.get(Input.RESOLVER)} -x {params.get(Input.ADDRESS)}"
else:
cmd = f"-x {params.get(Input.ADDRESS)}"
command_output = util.execute_command(self.logger, cmd,
'ANSWER SECTION:\n(.*\n)', None)
answer_section = command_output['answer_section']
if answer_section is None:
address = 'Not found'
else:
# Grab address
address = util.safe_parse(re.search(r'\s(\S+)\n', answer_section))
if util.not_empty(address):
address = address.rstrip('.')
return {
Output.FULLOUTPUT: command_output['fulloutput'],
Output.QUESTION: params.get(Input.ADDRESS),
Output.NAMESERVER: command_output['nameserver'],
Output.STATUS: command_output['status'],
Output.ANSWER: address
}
def run(self, params={}):
if len(params.get(Input.RESOLVER, "")) > 0:
cmd = f"@{params.get(Input.RESOLVER)} -x {params.get(Input.ADDRESS)}"
else:
cmd = f"-x {params.get(Input.ADDRESS)}"
command_output = util.execute_command(self.logger, cmd,
"ANSWER SECTION:\n(.*\n)", None)
answer_section = command_output["answer_section"]
if answer_section is None:
address = "Not found"
else:
# Grab address
address = util.safe_parse(re.search(r"\s(\S+)\n", answer_section))
if util.not_empty(address):
address = address.rstrip(".")
return {
Output.FULLOUTPUT: command_output["fulloutput"],
Output.QUESTION: params.get(Input.ADDRESS),
Output.NAMESERVER: command_output["nameserver"],
Output.STATUS: command_output["status"],
Output.ANSWER: address,
}
def run(self, params={}):
binary = "/usr/bin/dig"
if len(params.get('resolver', '')) > 0:
cmd = "%s @%s %s %s" % (binary, params.get('resolver'),
params.get('domain'), params.get('query'))
else:
cmd = "%s %s %s" % (binary, params.get('domain'),
params.get('query'))
self.logger.info("Executing command %s" % cmd)
r = komand.helper.exec_command(cmd)
# Grab query status
status = util.safe_parse(re.search('status: (.+?),', r['stdout']))
# Grab nameserver
ns = util.safe_parse(re.search('SERVER: (.+?)#', r['stdout']))
# Grab number of answers
answers = util.safe_parse(re.search(r'ANSWER: ([0-9]+)', r['stdout']))
if util.not_empty(answers): answers = int(answers)
# We need answers to continue
if answers > 0:
# Grab resolved address section
answer_section = util.safe_parse(
re.search(r'ANSWER SECTION:\n(.*)\n\n;;',
r['stdout'],
flags=re.DOTALL))
# Grab address
if params['query'] == "SOA":
domain = util.safe_parse(
re.search(r'SOA\t(\S+)', answer_section))
if util.not_empty(domain): domain = domain.rstrip('.')
ans = [domain]
else:
ans = answer_section.split('\n')
if len(ans) == 0:
ans.append('NO MATCHES FOUND')
ans = [
util.safe_parse(re.search(r'\s(\S+)$', answer))
for answer in ans
]
ans = [answer.rstrip('.') for answer in ans]
else:
ans = ['Not found']
if status != "NOERROR":
r['stdout'] = 'Resolution failed, nameserver %s returned %s status' % (
ns, status)
resolved = 'Not found'
return {
'fulloutput': r['stdout'] + r['stderr'],
'question': params.get('domain'),
'nameserver': ns,
'status': status,
'answer': ans[0],
'last_answer': ans[len(ans) - 1],
'all_answers': ans
}
