mirror of
https://github.com/mail-in-a-box/mailinabox.git
synced 2024-12-22 07:17:05 +00:00
Mail log management script cleanup
This commit is contained in:
parent
9ee2d946b7
commit
946cd63e8e
@ -1,136 +1,183 @@
|
||||
#!/usr/bin/python3
|
||||
|
||||
import os.path
|
||||
import re
|
||||
from collections import defaultdict
|
||||
import re, os.path
|
||||
|
||||
import dateutil.parser
|
||||
|
||||
import mailconfig
|
||||
import utils
|
||||
|
||||
|
||||
def scan_mail_log(logger, env):
|
||||
collector = {
|
||||
"other-services": set(),
|
||||
"imap-logins": { },
|
||||
"postgrey": { },
|
||||
"rejected-mail": { },
|
||||
"activity-by-hour": { "imap-logins": defaultdict(int), "smtp-sends": defaultdict(int) },
|
||||
}
|
||||
""" Scan the system's mail log files and collect interesting data
|
||||
|
||||
collector["real_mail_addresses"] = set(mailconfig.get_mail_users(env)) | set(alias[0] for alias in mailconfig.get_mail_aliases(env))
|
||||
This function scans the 2 most recent mail log files in /var/log/.
|
||||
|
||||
for fn in ('/var/log/mail.log.1', '/var/log/mail.log'):
|
||||
if not os.path.exists(fn): continue
|
||||
with open(fn, 'rb') as log:
|
||||
for line in log:
|
||||
line = line.decode("utf8", errors='replace')
|
||||
scan_mail_log_line(line.strip(), collector)
|
||||
Args:
|
||||
logger (ConsoleOutput): Object used for writing messages to the console
|
||||
env (dict): Dictionary containing MiaB settings
|
||||
"""
|
||||
|
||||
if collector["imap-logins"]:
|
||||
logger.add_heading("Recent IMAP Logins")
|
||||
logger.print_block("The most recent login from each remote IP adddress is show.")
|
||||
for k in utils.sort_email_addresses(collector["imap-logins"], env):
|
||||
for ip, date in sorted(collector["imap-logins"][k].items(), key = lambda kv : kv[1]):
|
||||
logger.print_line(k + "\t" + str(date) + "\t" + ip)
|
||||
collector = {
|
||||
"other-services": set(),
|
||||
"imap-logins": {},
|
||||
"postgrey": {},
|
||||
"rejected-mail": {},
|
||||
"activity-by-hour": {
|
||||
"imap-logins": defaultdict(int),
|
||||
"smtp-sends": defaultdict(int),
|
||||
},
|
||||
"real_mail_addresses": (
|
||||
set(mailconfig.get_mail_users(env)) | set(alias[0] for alias in mailconfig.get_mail_aliases(env))
|
||||
)
|
||||
}
|
||||
|
||||
if collector["postgrey"]:
|
||||
logger.add_heading("Greylisted Mail")
|
||||
logger.print_block("The following mail was greylisted, meaning the emails were temporarily rejected. Legitimate senders will try again within ten minutes.")
|
||||
logger.print_line("recipient" + "\t" + "received" + "\t" + "sender" + "\t" + "delivered")
|
||||
for recipient in utils.sort_email_addresses(collector["postgrey"], env):
|
||||
for (client_address, sender), (first_date, delivered_date) in sorted(collector["postgrey"][recipient].items(), key = lambda kv : kv[1][0]):
|
||||
logger.print_line(recipient + "\t" + str(first_date) + "\t" + sender + "\t" + (("delivered " + str(delivered_date)) if delivered_date else "no retry yet"))
|
||||
for fn in ('/var/log/mail.log.1', '/var/log/mail.log'):
|
||||
if not os.path.exists(fn):
|
||||
continue
|
||||
with open(fn, 'rb') as log:
|
||||
for line in log:
|
||||
line = line.decode("utf8", errors='replace')
|
||||
scan_mail_log_line(line.strip(), collector)
|
||||
|
||||
if collector["rejected-mail"]:
|
||||
logger.add_heading("Rejected Mail")
|
||||
logger.print_block("The following incoming mail was rejected.")
|
||||
for k in utils.sort_email_addresses(collector["rejected-mail"], env):
|
||||
for date, sender, message in collector["rejected-mail"][k]:
|
||||
logger.print_line(k + "\t" + str(date) + "\t" + sender + "\t" + message)
|
||||
if collector["imap-logins"]:
|
||||
logger.add_heading("Recent IMAP Logins")
|
||||
logger.print_block("The most recent login from each remote IP adddress is shown")
|
||||
for k in utils.sort_email_addresses(collector["imap-logins"], env):
|
||||
for ip, date in sorted(collector["imap-logins"][k].items(), key=lambda kv: kv[1]):
|
||||
logger.print_line(k + "\t" + str(date) + "\t" + ip)
|
||||
|
||||
logger.add_heading("Activity by Hour")
|
||||
for h in range(24):
|
||||
logger.print_line("%d\t%d\t%d" % (h, collector["activity-by-hour"]["imap-logins"][h], collector["activity-by-hour"]["smtp-sends"][h] ))
|
||||
if collector["postgrey"]:
|
||||
logger.add_heading("Greylisted Mail")
|
||||
logger.print_block("The following mail was greylisted, meaning the emails were temporarily rejected. "
|
||||
"Legitimate senders will try again within ten minutes.")
|
||||
logger.print_line("recipient" + "\t" + "received" + 3 * "\t" + "sender" + 6 * "\t" + "delivered")
|
||||
for recipient in utils.sort_email_addresses(collector["postgrey"], env):
|
||||
sorted_recipients = sorted(collector["postgrey"][recipient].items(), key=lambda kv: kv[1][0])
|
||||
for (client_address, sender), (first_date, delivered_date) in sorted_recipients:
|
||||
logger.print_line(
|
||||
recipient + "\t" + str(first_date) + "\t" + sender + "\t" +
|
||||
(("delivered " + str(delivered_date)) if delivered_date else "no retry yet")
|
||||
)
|
||||
|
||||
if collector["rejected-mail"]:
|
||||
logger.add_heading("Rejected Mail")
|
||||
logger.print_block("The following incoming mail was rejected.")
|
||||
for k in utils.sort_email_addresses(collector["rejected-mail"], env):
|
||||
for date, sender, message in collector["rejected-mail"][k]:
|
||||
logger.print_line(k + "\t" + str(date) + "\t" + sender + "\t" + message)
|
||||
|
||||
logger.add_heading("Activity by Hour")
|
||||
for h in range(24):
|
||||
logger.print_line(
|
||||
"%d\t%d\t%d" % (
|
||||
h,
|
||||
collector["activity-by-hour"]["imap-logins"][h],
|
||||
collector["activity-by-hour"]["smtp-sends"][h]
|
||||
)
|
||||
)
|
||||
|
||||
if len(collector["other-services"]) > 0:
|
||||
logger.add_heading("Other")
|
||||
logger.print_block("Unrecognized services in the log: " + ", ".join(collector["other-services"]))
|
||||
|
||||
if len(collector["other-services"]) > 0:
|
||||
logger.add_heading("Other")
|
||||
logger.print_block("Unrecognized services in the log: " + ", ".join(collector["other-services"]))
|
||||
|
||||
def scan_mail_log_line(line, collector):
|
||||
m = re.match(r"(\S+ \d+ \d+:\d+:\d+) (\S+) (\S+?)(\[\d+\])?: (.*)", line)
|
||||
if not m: return
|
||||
""" Scan a log line and extract interesting data """
|
||||
|
||||
date, system, service, pid, log = m.groups()
|
||||
date = dateutil.parser.parse(date)
|
||||
|
||||
if service == "dovecot":
|
||||
scan_dovecot_line(date, log, collector)
|
||||
m = re.match(r"(\S+ \d+ \d+:\d+:\d+) (\S+) (\S+?)(\[\d+\])?: (.*)", line)
|
||||
|
||||
elif service == "postgrey":
|
||||
scan_postgrey_line(date, log, collector)
|
||||
if not m:
|
||||
return
|
||||
|
||||
elif service == "postfix/smtpd":
|
||||
scan_postfix_smtpd_line(date, log, collector)
|
||||
date, system, service, pid, log = m.groups()
|
||||
date = dateutil.parser.parse(date)
|
||||
|
||||
elif service == "postfix/submission/smtpd":
|
||||
scan_postfix_submission_line(date, log, collector)
|
||||
if service == "dovecot":
|
||||
scan_dovecot_line(date, log, collector)
|
||||
elif service == "postgrey":
|
||||
scan_postgrey_line(date, log, collector)
|
||||
elif service == "postfix/smtpd":
|
||||
scan_postfix_smtpd_line(date, log, collector)
|
||||
elif service == "postfix/submission/smtpd":
|
||||
scan_postfix_submission_line(date, log, collector)
|
||||
elif service in ("postfix/qmgr", "postfix/pickup", "postfix/cleanup", "postfix/scache", "spampd", "postfix/anvil",
|
||||
"postfix/master", "opendkim", "postfix/lmtp", "postfix/tlsmgr"):
|
||||
# nothing to look at
|
||||
pass
|
||||
else:
|
||||
collector["other-services"].add(service)
|
||||
|
||||
elif service in ("postfix/qmgr", "postfix/pickup", "postfix/cleanup",
|
||||
"postfix/scache", "spampd", "postfix/anvil", "postfix/master",
|
||||
"opendkim", "postfix/lmtp", "postfix/tlsmgr"):
|
||||
# nothing to look at
|
||||
pass
|
||||
|
||||
else:
|
||||
collector["other-services"].add(service)
|
||||
def scan_dovecot_line(date, line, collector):
|
||||
""" Scan a dovecot log line and extract interesting data """
|
||||
|
||||
m = re.match("imap-login: Login: user=<(.*?)>, method=PLAIN, rip=(.*?),", line)
|
||||
|
||||
if m:
|
||||
login, ip = m.group(1), m.group(2)
|
||||
if ip != "127.0.0.1": # local login from webmail/zpush
|
||||
collector["imap-logins"].setdefault(login, {})[ip] = date
|
||||
collector["activity-by-hour"]["imap-logins"][date.hour] += 1
|
||||
|
||||
def scan_dovecot_line(date, log, collector):
|
||||
m = re.match("imap-login: Login: user=<(.*?)>, method=PLAIN, rip=(.*?),", log)
|
||||
if m:
|
||||
login, ip = m.group(1), m.group(2)
|
||||
if ip != "127.0.0.1": # local login from webmail/zpush
|
||||
collector["imap-logins"].setdefault(login, {})[ip] = date
|
||||
collector["activity-by-hour"]["imap-logins"][date.hour] += 1
|
||||
|
||||
def scan_postgrey_line(date, log, collector):
|
||||
m = re.match("action=(greylist|pass), reason=(.*?), (?:delay=\d+, )?client_name=(.*), client_address=(.*), sender=(.*), recipient=(.*)", log)
|
||||
if m:
|
||||
action, reason, client_name, client_address, sender, recipient = m.groups()
|
||||
key = (client_address, sender)
|
||||
if action == "greylist" and reason == "new":
|
||||
collector["postgrey"].setdefault(recipient, {})[key] = (date, None)
|
||||
elif action == "pass" and reason == "triplet found" and key in collector["postgrey"].get(recipient, {}):
|
||||
collector["postgrey"][recipient][key] = (collector["postgrey"][recipient][key][0], date)
|
||||
""" Scan a postgrey log line and extract interesting data """
|
||||
|
||||
m = re.match("action=(greylist|pass), reason=(.*?), (?:delay=\d+, )?client_name=(.*), client_address=(.*), "
|
||||
"sender=(.*), recipient=(.*)",
|
||||
log)
|
||||
|
||||
if m:
|
||||
action, reason, client_name, client_address, sender, recipient = m.groups()
|
||||
key = (client_address, sender)
|
||||
if action == "greylist" and reason == "new":
|
||||
collector["postgrey"].setdefault(recipient, {})[key] = (date, None)
|
||||
elif action == "pass" and reason == "triplet found" and key in collector["postgrey"].get(recipient, {}):
|
||||
collector["postgrey"][recipient][key] = (collector["postgrey"][recipient][key][0], date)
|
||||
|
||||
|
||||
def scan_postfix_smtpd_line(date, log, collector):
|
||||
m = re.match("NOQUEUE: reject: RCPT from .*?: (.*?); from=<(.*?)> to=<(.*?)>", log)
|
||||
if m:
|
||||
message, sender, recipient = m.groups()
|
||||
if recipient in collector["real_mail_addresses"]:
|
||||
# only log mail to real recipients
|
||||
""" Scan a postfix smtpd log line and extract interesting data """
|
||||
|
||||
# skip this, is reported in the greylisting report
|
||||
if "Recipient address rejected: Greylisted" in message:
|
||||
return
|
||||
m = re.match("NOQUEUE: reject: RCPT from .*?: (.*?); from=<(.*?)> to=<(.*?)>", log)
|
||||
|
||||
# simplify this one
|
||||
m = re.search(r"Client host \[(.*?)\] blocked using zen.spamhaus.org; (.*)", message)
|
||||
if m:
|
||||
message = "ip blocked: " + m.group(2)
|
||||
if m:
|
||||
message, sender, recipient = m.groups()
|
||||
if recipient in collector["real_mail_addresses"]:
|
||||
# only log mail to real recipients
|
||||
|
||||
# simplify this one too
|
||||
m = re.search(r"Sender address \[.*@(.*)\] blocked using dbl.spamhaus.org; (.*)", message)
|
||||
if m:
|
||||
message = "domain blocked: " + m.group(2)
|
||||
# skip this, is reported in the greylisting report
|
||||
if "Recipient address rejected: Greylisted" in message:
|
||||
return
|
||||
|
||||
# simplify this one
|
||||
m = re.search(r"Client host \[(.*?)\] blocked using zen.spamhaus.org; (.*)", message)
|
||||
if m:
|
||||
message = "ip blocked: " + m.group(2)
|
||||
|
||||
# simplify this one too
|
||||
m = re.search(r"Sender address \[.*@(.*)\] blocked using dbl.spamhaus.org; (.*)", message)
|
||||
if m:
|
||||
message = "domain blocked: " + m.group(2)
|
||||
|
||||
collector["rejected-mail"].setdefault(recipient, []).append((date, sender, message))
|
||||
|
||||
collector["rejected-mail"].setdefault(recipient, []).append( (date, sender, message) )
|
||||
|
||||
def scan_postfix_submission_line(date, log, collector):
|
||||
m = re.match("([A-Z0-9]+): client=(\S+), sasl_method=PLAIN, sasl_username=(\S+)", log)
|
||||
if m:
|
||||
procid, client, user = m.groups()
|
||||
collector["activity-by-hour"]["smtp-sends"][date.hour] += 1
|
||||
""" Scan a postfix submission log line and extract interesting data """
|
||||
|
||||
m = re.match("([A-Z0-9]+): client=(\S+), sasl_method=PLAIN, sasl_username=(\S+)", log)
|
||||
|
||||
if m:
|
||||
# procid, client, user = m.groups()
|
||||
collector["activity-by-hour"]["smtp-sends"][date.hour] += 1
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
from status_checks import ConsoleOutput
|
||||
env = utils.load_environment()
|
||||
scan_mail_log(ConsoleOutput(), env)
|
||||
from status_checks import ConsoleOutput
|
||||
|
||||
env_vars = utils.load_environment()
|
||||
scan_mail_log(ConsoleOutput(), env_vars)
|
||||
|
Loading…
Reference in New Issue
Block a user