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gpg-lacre
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Added syslog and verbose options for config file.

This commit is contained in:
uragit 2013-10-12 01:26:55 -07:00
parent c04db9c35f
commit 42caa47f5b
2 changed files with 28 additions and 8 deletions
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2
gpg-mailgate.conf.sample
View File

@ -6,7 +6,9 @@ domains = example.com,corp.org
keyhome = /var/gpg/.gnupg
[logging]
# For logging to syslog. 'file = syslog'
file = /tmp/gpg-mailgate.log
#verbose = yes
[relay]
host = 127.0.0.1

34
gpg-mailgate.py
View File

@ -8,6 +8,7 @@ import re
import GnuPG
import smtplib
import sys
import syslog
# Read configuration from /etc/gpg-mailgate.conf
_cfg = RawConfigParser()
@ -18,11 +19,24 @@ for sect in _cfg.sections():
for (name, value) in _cfg.items(sect):
cfg[sect][name] = value
def log(msg):
if cfg.has_key('logging') and cfg['logging'].has_key('file'):
if cfg['logging']['file'] == "syslog":
syslog.syslog(syslog.LOG_INFO | syslog.LOG_MAIL, msg)
else:
logfile = open(cfg['logging']['file'], 'a')
logfile.write(msg + "\n")
logfile.close()
verbose=cfg.has_key('logging') and cfg['logging'].has_key('verbose') and cfg['logging']['verbose'] == 'yes'
# Read e-mail from stdin
raw = sys.stdin.read()
raw_message = email.message_from_string( raw )
from_addr = raw_message['From']
to_addrs = sys.argv[1:]
if verbose:
log("to_addrs: '%s'" % "', '".join(to_addrs))
encrypted_to_addrs = list()
if raw_message.has_key('X-GPG-Encrypt-Cc'):
@ -32,10 +46,7 @@ if raw_message.has_key('X-GPG-Encrypt-Cc'):
def send_msg( message, recipients = None ):
if recipients == None:
recipients = to_addrs
if cfg.has_key('logging') and cfg['logging'].has_key('file'):
log = open(cfg['logging']['file'], 'a')
log.write("Sending email to: <%s>\n" % '> <'.join( recipients ))
log.close()
log("Sending email to: <%s>" % '> <'.join( recipients ))
relay = (cfg['relay']['host'], int(cfg['relay']['port']))
smtp = smtplib.SMTP(relay[0], relay[1])
smtp.sendmail( from_addr, recipients, message.as_string() )
@ -91,27 +102,34 @@ for to in to_addrs:
domain = to.split('@')[1]
if domain in cfg['default']['domains'].split(','):
if to in keys:
if verbose:
log("Found public key for '%s' on keyring." % to)
gpg_to.append( (to, to) )
elif cfg.has_key('keymap') and cfg['keymap'].has_key(to):
if verbose:
log("Found public key for '%s' in keymap (%s)." % (to, cfg['keymap'][to]))
gpg_to.append( (to, cfg['keymap'][to]) )
else:
if verbose:
log("Found no public key for '%s'." % to)
ungpg_to.append(to);
else:
if verbose:
log("Recipient (%s) not in domain list." % to)
ungpg_to.append(to)
if gpg_to == list():
if cfg['default'].has_key('add_header') and cfg['default']['add_header'] == 'yes':
raw_message['X-GPG-Mailgate'] = 'Not encrypted, public key not found'
if verbose:
log("No encrypted recipients.")
send_msg( raw_message )
exit()
if ungpg_to != list():
send_msg( raw_message, ungpg_to )
if cfg.has_key('logging') and cfg['logging'].has_key('file'):
log = open(cfg['logging']['file'], 'a')
log.write("Encrypting email to: %s\n" % ' '.join( map(lambda x: x[0], gpg_to) ))
log.close()
log("Encrypting email to: %s" % ' '.join( map(lambda x: x[0], gpg_to) ))
if cfg['default'].has_key('add_header') and cfg['default']['add_header'] == 'yes':
raw_message['X-GPG-Mailgate'] = 'Encrypted by GPG Mailgate'