def deliver(self):
WLog.debug("User %s Group %s" % (os.getuid(), os.getgid()))
WLog.debug("Deliver with: %s" % self.deliver_application)
p = subprocess.Popen(self.deliver_application, stdin=subprocess.PIPE)
p.stdin.write(self.data)
p.stdin.close()
def parse(self):
# Split the data into headers and body
split = data.find("\n\n")
self.header_data = "%s\n\n" % data[:split]
self.body_data = data[split + 2 :]
# parse the e-mail header
WLog.debug("Parsing e-mail")
message = email.message_from_string(self.header_data)
try:
self.mail_to = sys.argv[sys.argv.index("-d") + 1]
except (IndexError, ValueError):
WLog.error("no recipient found")
sys.stderr.write("no recipient found")
sys.exit(2)
try:
self.mail_from = sys.argv[sys.argv.index("-f") + 1]
except (IndexError, ValueError):
self.mail_from = "unknown"
if not self.mail_from:
self.mail_from = message.get("From")
if not self.mail_to:
self.mail_to = message.get("Delivered-To")
WLog.debug("e-mail from %s to %s" % (self.mail_from, self.mail_to))
try:
(self.user, self.domain) = self.mail_to.split("@")
except:
WLog.error("no valid destination mail address %s" % self.mail_to)
sys.stderr.write("no valid destination mail address %s" % self.mail_to)
sys.exit(3)
try:
self.extensions = sys.argv[sys.argv.index("-e") + 1]
except (IndexError, ValueError):
self.extensions = ""
if self.extensions:
(self.user, extensions) = self.user.split(DELIMITER)
if self.extensions != extensions:
WLog.error("self.extensions=%s extensions=%s" % (self.extensions, extensions))
# set maildrop as default deliver
self.deliver_application = [
MAILDROP_DELIVER,
"-d",
"vmail",
self.extensions,
self.mail_to,
self.user,
self.domain,
self.mail_from,
"-w",
"90",
]
# replace Return-Path: <MAILER-DAEMON>
try:
if message.get("Return-Path") == "<MAILER-DAEMON>":
WLog.notice("replace Return-Path: <MAILER-DAEMON> to %s" % MAILER_DAEMON)
status, result = run([REFORMAIL, "-I", "Return-Path:%s" % MAILER_DAEMON], self.header_data)
if status == 0:
self.header_data = result
except Exception, e:
WLog.error("%s" % e)
spam_headers = []
try:
if not self.is_virus and not self.is_spam and not self.extensions:
self.deliver_application = [DOVECOT_DELIVER, "-d", self.mail_to, "-f", self.mail_from]
except Exception: # any errors
pass
headers = virus_headers + spam_headers
if headers:
args = reduce(operator.add, [["-I", header] for header in ["%s:" % h for h in RESERVED_HEADERS] + headers])
status, result = run([REFORMAIL] + args, self.header_data)
assert status == 0, "Could not run %s (exit code %d)" % (REFORMAIL, status)
self.data = result + self.body_data
WLog.debug("New headers set")
def check_virus(self):
headers = []
# Get the version
status, version = run([CLAMSCAN, "-V"])
assert status == 0, "Could not run %s (exit code %d)" % (CLAMSCAN, status)
headers.append("X-Virus-Checker-Version: %s" % version.split("\n")[0])
# Scan the message
status, message = run([CLAMSCAN, "-", "--stdout", "--disable-summary"], self.data)
if status == 0:
# No virus