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Author SHA1 Message Date
link2xt
0f89b52d5b Add init.sh and deploy.sh scripts 2023-10-13 14:11:13 +00:00
48 changed files with 324 additions and 1933 deletions

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# Chat Mail server configuration
This repository setups a ready-to-go chatmail instance
comprised of a minimal setup of the battle-tested
[postfix smtp server](https://www.postfix.org) and [dovecot imap server](https://www.dovecot.org).
This package deploys Postfix and Dovecot servers, including OpenDKIM for DKIM signing.
## Getting started
Postfix uses Dovecot for authentication as described in <https://www.postfix.org/SASL_README.html#server_dovecot>
1. prepare your local system:
scripts/init.sh
2. set environment variable to the chatmail domain you want to setup:
export CHATMAIL_DOMAIN=c1.testrun.org # replace with your host
3. run the deploy of the chat mail instance:
scripts/deploy.sh
## Running tests and benchmarks (offline and online)
1. Set `CHATMAIL_SSH` so that `ssh root@$CHATMAIL_SSH` allows
to login to the chatmail instance server.
2. To run local and online tests:
scripts/test.sh
3. To run benchmarks against your chatmail instance:
scripts/bench.sh
## Running tests (offline and online)
```
## Dovecot/Postfix configuration
### Ports
## Ports
Postfix listens on ports 25 (smtp) and 587 (submission) and 465 (submissions).
Dovecot listens on ports 143(imap) and 993 (imaps).
## DNS
For DKIM you must add a DNS entry as found in /etc/opendkim/selector.txt on your chatmail instance.
The above `scripts/deploy.sh` prints out the DKIM selector and DNS entry you
need to setup with your DNS provider.
For DKIM you must add a DNS entry as in /etc/opendkim/selector.txt (where selector is the opendkim_selector configured in the chatmail inventory).
## Emergency Commands
If you need to stop account creation,
e.g. because some script is wildly creating accounts,
just run `touch /tmp/nocreate`.
You can remove the file
as soon as the attacker was banned
by different means.
## Run with pyinfra
```
CHATMAIL_DOMAIN=c1.testrun.org pyinfra --ssh-user root c1.testrun.org deploy.py
```

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# chatmaild
chatmaild provides dovecot autentication
to create dovecot users on login
and mail filtering.

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[build-system]
requires = ["setuptools>=45"]
build-backend = "setuptools.build_meta"
[project]
name = "chatmaild"
version = "0.1"
dependencies = [
"aiosmtpd"
]
[project.scripts]
doveauth-dictproxy = "chatmaild.dictproxy:main"
filtermail = "chatmaild.filtermail:main"
[tool.pytest.ini_options]
addopts = "-v -ra --strict-markers"
[tool.tox]
legacy_tox_ini = """
[tox]
isolated_build = true
envlist = lint
[testenv:lint]
skipdist = True
skip_install = True
deps =
ruff
black
commands =
black --quiet --check --diff src/
ruff src/
"""

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import sqlite3
import contextlib
import time
from pathlib import Path
class DBError(Exception):
"""error during an operation on the database."""
class Connection:
def __init__(self, sqlconn, write):
self._sqlconn = sqlconn
self._write = write
def close(self):
self._sqlconn.close()
def commit(self):
self._sqlconn.commit()
def rollback(self):
self._sqlconn.rollback()
def execute(self, query, params=()):
cur = self.cursor()
try:
cur.execute(query, params)
except sqlite3.IntegrityError as e:
raise DBError(e)
return cur
def cursor(self):
return self._sqlconn.cursor()
def create_user(self, addr: str, password: str):
"""Create a row in the users table."""
self.execute("PRAGMA foreign_keys=on")
q = """INSERT INTO users (addr, password, last_login)
VALUES (?, ?, ?)"""
self.execute(q, (addr, password, int(time.time())))
def get_user(self, addr: str) -> {}:
"""Get a row from the users table."""
q = "SELECT addr, password, last_login from users WHERE addr = ?"
row = self._sqlconn.execute(q, (addr,)).fetchone()
result = {}
if row:
result = dict(
user=row[0],
password=row[1],
last_login=row[2],
)
return result
class Database:
def __init__(self, path: str):
self.path = Path(path)
self.ensure_tables()
def _get_connection(
self, write=False, transaction=False, closing=False
) -> Connection:
# we let the database serialize all writers at connection time
# to play it very safe (we don't have massive amounts of writes).
mode = "ro"
if write:
mode = "rw"
if not self.path.exists():
mode = "rwc"
uri = "file:%s?mode=%s" % (self.path, mode)
sqlconn = sqlite3.connect(
uri,
timeout=60,
isolation_level=None if transaction else "DEFERRED",
uri=True,
)
# Enable Write-Ahead Logging to avoid readers blocking writers and vice versa.
if write:
sqlconn.execute("PRAGMA journal_mode=wal")
if transaction:
start_time = time.time()
while 1:
try:
sqlconn.execute("begin immediate")
break
except sqlite3.OperationalError:
# another thread may be writing, give it a chance to finish
time.sleep(0.1)
if time.time() - start_time > 5:
# if it takes this long, something is wrong
raise
conn = Connection(sqlconn, write=write)
if closing:
conn = contextlib.closing(conn)
return conn
@contextlib.contextmanager
def write_transaction(self):
conn = self._get_connection(closing=False, write=True, transaction=True)
try:
yield conn
except Exception:
conn.rollback()
conn.close()
raise
else:
conn.commit()
conn.close()
def read_connection(self, closing=True) -> Connection:
return self._get_connection(closing=closing, write=False)
def get_schema_version(self) -> int:
with self.read_connection() as conn:
dbversion = conn.execute("PRAGMA user_version").fetchone()[0]
return dbversion
CURRENT_DBVERSION = 1
def ensure_tables(self):
with self.write_transaction() as conn:
if self.get_schema_version() > 1:
raise DBError(
"version is %s; downgrading schema is not supported"
% (self.get_schema_version(),)
)
conn.execute(
"""
CREATE TABLE IF NOT EXISTS users (
addr TEXT PRIMARY KEY,
password TEXT,
last_login INTEGER
)
""",
)
conn.execute("PRAGMA user_version=%s" % (self.CURRENT_DBVERSION,))

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import logging
import os
import sys
import json
from socketserver import (
UnixStreamServer,
StreamRequestHandler,
ThreadingMixIn,
)
import pwd
import subprocess
from .database import Database
NOCREATE_FILE = "/etc/chatmail-nocreate"
def encrypt_password(password: str):
password = password.encode("ascii")
# https://doc.dovecot.org/configuration_manual/authentication/password_schemes/
process = subprocess.Popen(
["doveadm", "pw", "-s", "SHA512-CRYPT"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
)
stdout_data, _stderr_data = process.communicate(
input=password + b"\n" + password + b"\n"
)
return stdout_data.decode("ascii").strip()
def create_user(db, user, password):
if os.path.exists(NOCREATE_FILE):
logging.warning(
f"Didn't create account: {NOCREATE_FILE} exists. Delete the file to enable account creation."
)
return
with db.write_transaction() as conn:
conn.create_user(user, password)
return dict(home=f"/home/vmail/{user}", uid="vmail", gid="vmail", password=password)
def get_user_data(db, user):
with db.read_connection() as conn:
result = conn.get_user(user)
if result:
result["uid"] = "vmail"
result["gid"] = "vmail"
return result
def lookup_userdb(db, user):
return get_user_data(db, user)
def lookup_passdb(db, user, password):
userdata = get_user_data(db, user)
if not userdata:
return create_user(db, user, encrypt_password(password))
userdata["password"] = userdata["password"].strip()
return userdata
def handle_dovecot_request(msg, db, mail_domain):
print(f"received msg: {msg!r}", file=sys.stderr)
short_command = msg[0]
if short_command == "L": # LOOKUP
parts = msg[1:].split("\t")
keyname, user = parts[:2]
namespace, type, *args = keyname.split("/")
reply_command = "F"
res = ""
if namespace == "shared":
if type == "userdb":
if user.endswith(f"@{mail_domain}"):
res = lookup_userdb(db, user)
if res:
reply_command = "O"
else:
reply_command = "N"
elif type == "passdb":
if user.endswith(f"@{mail_domain}"):
res = lookup_passdb(db, user, password=args[0])
if res:
reply_command = "O"
else:
reply_command = "N"
print(f"res: {res!r}", file=sys.stderr)
json_res = json.dumps(res) if res else ""
return f"{reply_command}{json_res}\n"
return None
class ThreadedUnixStreamServer(ThreadingMixIn, UnixStreamServer):
pass
def main():
socket = sys.argv[1]
passwd_entry = pwd.getpwnam(sys.argv[2])
db = Database(sys.argv[3])
with open("/etc/mailname", "r") as fp:
mail_domain = fp.read().strip()
class Handler(StreamRequestHandler):
def handle(self):
while True:
msg = self.rfile.readline().strip().decode()
if not msg:
break
res = handle_dovecot_request(msg, db, mail_domain)
if res:
print(f"sending result: {res!r}", file=sys.stderr)
self.wfile.write(res.encode("ascii"))
self.wfile.flush()
try:
os.unlink(socket)
except FileNotFoundError:
pass
with ThreadedUnixStreamServer(socket, Handler) as server:
os.chown(socket, uid=passwd_entry.pw_uid, gid=passwd_entry.pw_gid)
try:
server.serve_forever()
except KeyboardInterrupt:
pass

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[Unit]
Description=Dict authentication proxy for dovecot
[Service]
ExecStart=/usr/local/bin/doveauth-dictproxy /run/dovecot/doveauth.socket vmail /home/vmail/passdb.sqlite
Restart=always
RestartSec=30
[Install]
WantedBy=multi-user.target

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#!/usr/bin/env python3
import asyncio
import logging
from email.parser import BytesParser
from email import policy
from email.utils import parseaddr
from aiosmtpd.lmtp import LMTP
from aiosmtpd.controller import UnixSocketController
from smtplib import SMTP as SMTPClient
def check_encrypted(message):
"""Check that the message is an OpenPGP-encrypted message."""
if not message.is_multipart():
return False
if message.get("subject") != "...":
return False
if message.get_content_type() != "multipart/encrypted":
return False
parts_count = 0
for part in message.iter_parts():
if parts_count == 0:
if part.get_content_type() != "application/pgp-encrypted":
return False
elif parts_count == 1:
if part.get_content_type() != "application/octet-stream":
return False
else:
return False
parts_count += 1
return True
class ExampleController(UnixSocketController):
def factory(self):
return LMTP(self.handler, **self.SMTP_kwargs)
class ExampleHandler:
async def handle_RCPT(self, server, session, envelope, address, rcpt_options):
envelope.rcpt_tos.append(address)
return "250 OK"
async def handle_DATA(self, server, session, envelope):
valid_recipients, res = lmtp_handle_DATA(envelope)
# Reinject the mail back into Postfix.
if valid_recipients:
logging.info("Reinjecting the mail")
client = SMTPClient("localhost", "10026")
client.sendmail(envelope.mail_from, valid_recipients, envelope.content)
else:
logging.info("no valid recipients, ignoring mail")
return "\r\n".join(res)
async def asyncmain(loop):
controller = ExampleController(
ExampleHandler(), unix_socket="/var/spool/postfix/private/filtermail"
)
controller.start()
def lmtp_handle_DATA(envelope):
"""the central filtering function for e-mails."""
logging.info(f"Processing DATA message from {envelope.mail_from}")
message = BytesParser(policy=policy.default).parsebytes(envelope.content)
mail_encrypted = check_encrypted(message)
valid_recipients = []
res = []
for recipient in envelope.rcpt_tos:
my_local_domain = envelope.mail_from.split("@")
if len(my_local_domain) != 2:
res += [f"500 Invalid from address <{envelope.mail_from}>"]
continue
_, from_addr = parseaddr(message.get("from").strip())
logging.info(f"mime-from: {from_addr} envelope-from: {envelope.mail_from}")
if envelope.mail_from.lower() != from_addr.lower():
res += [f"500 Invalid FROM <{from_addr}> for <{envelope.mail_from}>"]
continue
if envelope.mail_from == recipient:
# Always allow sending emails to self.
valid_recipients += [recipient]
res += ["250 OK"]
continue
recipient_local_domain = recipient.split("@")
if len(recipient_local_domain) != 2:
res += [f"500 Invalid address <{recipient}>"]
continue
is_outgoing = recipient_local_domain[1] != my_local_domain[1]
if (
is_outgoing
and not mail_encrypted
and message.get("secure-join") != "vc-request"
and message.get("secure-join") != "vg-request"
):
res += ["500 Outgoing mail must be encrypted"]
continue
valid_recipients += [recipient]
res += ["250 OK"]
assert len(envelope.rcpt_tos) == len(res)
assert len(valid_recipients) <= len(res)
return valid_recipients, res
def main():
logging.basicConfig(level=logging.INFO)
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
loop.create_task(asyncmain(loop=loop))
loop.run_forever()
if __name__ == "__main__":
main()

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[Unit]
Description=Email filter for chatmail servers
[Service]
ExecStart=/usr/local/bin/filtermail
Restart=always
RestartSec=30
[Install]
WantedBy=multi-user.target

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import os
import pytest
import chatmaild.dictproxy
from .dictproxy import get_user_data, lookup_passdb
from .database import Database, DBError
@pytest.fixture()
def db(tmpdir):
db_path = tmpdir / "passdb.sqlite"
print("database path:", db_path)
return Database(db_path)
def test_basic(db):
chatmaild.dictproxy.NOCREATE_FILE = "/tmp/nocreate"
if os.path.exists(chatmaild.dictproxy.NOCREATE_FILE):
os.remove(chatmaild.dictproxy.NOCREATE_FILE)
lookup_passdb(db, "link2xt@c1.testrun.org", "asdf")
data = get_user_data(db, "link2xt@c1.testrun.org")
assert data
def test_dont_overwrite_password_on_wrong_login(db):
"""Test that logging in with a different password doesn't create a new user"""
res = lookup_passdb(db, "newuser1@something.org", "kajdlkajsldk12l3kj1983")
assert res["password"]
res2 = lookup_passdb(db, "newuser1@something.org", "kajdlqweqwe")
# this function always returns a password hash, which is actually compared by dovecot.
assert res["password"] == res2["password"]
def test_nocreate_file(db):
chatmaild.dictproxy.NOCREATE_FILE = "/tmp/nocreate"
with open(chatmaild.dictproxy.NOCREATE_FILE, "w+") as f:
f.write("")
assert os.path.exists(chatmaild.dictproxy.NOCREATE_FILE)
lookup_passdb(db, "newuser1@something.org", "kajdlqweqwe")
assert not get_user_data(db, "newuser1@something.org")
os.remove(chatmaild.dictproxy.NOCREATE_FILE)
def test_db_version(db):
assert db.get_schema_version() == 1
def test_too_high_db_version(db):
with db.write_transaction() as conn:
conn.execute("PRAGMA user_version=%s;" % (999,))
with pytest.raises(DBError):
db.ensure_tables()

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from .filtermail import check_encrypted, lmtp_handle_DATA
from email.parser import BytesParser
from email import policy
def test_reject_forged_from():
def makemail(from_addr):
return BytesParser(policy=policy.default).parsebytes(
"\r\n".join(
[
f"From: <{from_addr}",
"To: <barbaz@c3.testrun.org>",
"Date: Sun, 15 Oct 2023 16:41:44 +0000",
"Message-ID: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"References: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"Chat-Version: 1.0",
"MIME-Version: 1.0",
"Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no",
"",
"Hi!",
"",
"",
]
).encode()
)
class envelope:
mail_from = "bob@c3.testrun.org"
rcpt_tos = ["somebody@c3.testrun.org"]
# test that the filter lets good mail through
envelope.content = makemail(envelope.mail_from).as_bytes()
valid_recipients, res = lmtp_handle_DATA(envelope=envelope)
assert valid_recipients == envelope.rcpt_tos
assert len(res) == 1 and "250" in res[0]
# test that the filter rejects forged mail
envelope.content = makemail("forged@c3.testrun.org").as_bytes()
valid_recipients, res = lmtp_handle_DATA(envelope=envelope)
assert not valid_recipients
assert len(res) == 1 and "500" in res[0]
def test_filtermail():
def check_encrypted_bstr(content):
message = BytesParser(policy=policy.default).parsebytes(content)
return check_encrypted(message)
assert not check_encrypted_bstr(b"foo")
assert not check_encrypted_bstr(
"\r\n".join(
[
"Subject: =?utf-8?q?Message_from_foobar=40c2=2Etestrun=2Eorg?=",
"Chat-Disposition-Notification-To: foobar@c2.testrun.org",
"Chat-User-Avatar: 0",
"From: <foobar@c2.testrun.org>",
"To: <barbaz@c2.testrun.org>",
"Date: Sun, 15 Oct 2023 16:41:44 +0000",
"Message-ID: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"References: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"Chat-Version: 1.0",
"Autocrypt: addr=foobar@c2.testrun.org; prefer-encrypt=mutual;",
"\tkeydata=xjMEZSrw3hYJKwYBBAHaRw8BAQdAiEKNQFU28c6qsx4vo/JHdt73RXdjMOmByf/XsGiJ7m",
"\tnNFzxmb29iYXJAYzIudGVzdHJ1bi5vcmc+wosEEBYIADMCGQEFAmUq8N4CGwMECwkIBwYVCAkKCwID",
"\tFgIBFiEEGil0OvTIa6RngmCLUYNnEa9leJAACgkQUYNnEa9leJCX3gEAhm0MehE5byBBU1avPczr/I",
"\tHjNLht7Qf6++mAhlJmtDcA/0C8VYJhsUpmiDjuZaMDWNv4FO2BJG6LH7gSm6n7ClMJzjgEZSrw3hIK",
"\tKwYBBAGXVQEFAQEHQAxGG/QW0owCfMp1A+vXEMwgzWcBpNFr58kX2eXuPpM6AwEIB8J4BBgWCAAgBQ",
"\tJlKvDeAhsMFiEEGil0OvTIa6RngmCLUYNnEa9leJAACgkQUYNnEa9leJDg1gEAwLf8KDoAAKyYgjyI",
"\tvYvO9VEgBni1C4Xx1VjcaEmlDK8BALoFuUCK+enw76TtDcAUKhlhUiM6SDRExkS4Nskp/BcK",
"MIME-Version: 1.0",
"Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no",
"",
"Hi!",
"",
"",
]
).encode()
)
assert not check_encrypted_bstr(
"\r\n".join(
[
"Subject: =?utf-8?q?Message_from_foobar=40c2=2Etestrun=2Eorg?=",
"Chat-Disposition-Notification-To: foobar@c2.testrun.org",
"Chat-User-Avatar: 0",
"From: <foobar@c2.testrun.org>",
"To: <barbaz@c2.testrun.org>",
"Date: Sun, 15 Oct 2023 16:41:44 +0000",
"Message-ID: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"References: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"Chat-Version: 1.0",
"Autocrypt: addr=foobar@c2.testrun.org; prefer-encrypt=mutual;",
"\tkeydata=xjMEZSrw3hYJKwYBBAHaRw8BAQdAiEKNQFU28c6qsx4vo/JHdt73RXdjMOmByf/XsGiJ7m",
"\tnNFzxmb29iYXJAYzIudGVzdHJ1bi5vcmc+wosEEBYIADMCGQEFAmUq8N4CGwMECwkIBwYVCAkKCwID",
"\tFgIBFiEEGil0OvTIa6RngmCLUYNnEa9leJAACgkQUYNnEa9leJCX3gEAhm0MehE5byBBU1avPczr/I",
"\tHjNLht7Qf6++mAhlJmtDcA/0C8VYJhsUpmiDjuZaMDWNv4FO2BJG6LH7gSm6n7ClMJzjgEZSrw3hIK",
"\tKwYBBAGXVQEFAQEHQAxGG/QW0owCfMp1A+vXEMwgzWcBpNFr58kX2eXuPpM6AwEIB8J4BBgWCAAgBQ",
"\tJlKvDeAhsMFiEEGil0OvTIa6RngmCLUYNnEa9leJAACgkQUYNnEa9leJDg1gEAwLf8KDoAAKyYgjyI",
"\tvYvO9VEgBni1C4Xx1VjcaEmlDK8BALoFuUCK+enw76TtDcAUKhlhUiM6SDRExkS4Nskp/BcK",
"MIME-Version: 1.0",
"Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no",
"",
"Hi!",
"",
"",
]
).encode()
)
# https://xkcd.com/1181/
assert not check_encrypted_bstr(
"\r\n".join(
[
"Subject: =?utf-8?q?Message_from_foobar=40c2=2Etestrun=2Eorg?=",
"Chat-Disposition-Notification-To: foobar@c2.testrun.org",
"Chat-User-Avatar: 0",
"From: <foobar@c2.testrun.org>",
"To: <barbaz@c2.testrun.org>",
"Date: Sun, 15 Oct 2023 16:41:44 +0000",
"Message-ID: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"References: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"Chat-Version: 1.0",
"Autocrypt: addr=foobar@c2.testrun.org; prefer-encrypt=mutual;",
"\tkeydata=xjMEZSrw3hYJKwYBBAHaRw8BAQdAiEKNQFU28c6qsx4vo/JHdt73RXdjMOmByf/XsGiJ7m",
"\tnNFzxmb29iYXJAYzIudGVzdHJ1bi5vcmc+wosEEBYIADMCGQEFAmUq8N4CGwMECwkIBwYVCAkKCwID",
"\tFgIBFiEEGil0OvTIa6RngmCLUYNnEa9leJAACgkQUYNnEa9leJCX3gEAhm0MehE5byBBU1avPczr/I",
"\tHjNLht7Qf6++mAhlJmtDcA/0C8VYJhsUpmiDjuZaMDWNv4FO2BJG6LH7gSm6n7ClMJzjgEZSrw3hIK",
"\tKwYBBAGXVQEFAQEHQAxGG/QW0owCfMp1A+vXEMwgzWcBpNFr58kX2eXuPpM6AwEIB8J4BBgWCAAgBQ",
"\tJlKvDeAhsMFiEEGil0OvTIa6RngmCLUYNnEa9leJAACgkQUYNnEa9leJDg1gEAwLf8KDoAAKyYgjyI",
"\tvYvO9VEgBni1C4Xx1VjcaEmlDK8BALoFuUCK+enw76TtDcAUKhlhUiM6SDRExkS4Nskp/BcK",
"MIME-Version: 1.0",
"Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no",
"",
"-----BEGIN PGP MESSAGE-----",
"Hi!",
"-----END PGP MESSAGE-----",
"",
"",
]
).encode()
)
assert check_encrypted_bstr(
"\r\n".join(
[
"Subject: ...",
"From: <barbaz@c2.testrun.org>",
"To: <foobar@c2.testrun.org>",
"Date: Sun, 15 Oct 2023 16:43:21 +0000",
"Message-ID: <Mr.UVyJWZmkCKM.hGzNc6glBE_@c2.testrun.org>",
"In-Reply-To: <Mr.MvmCz-GQbi_.6FGRkhDf05c@c2.testrun.org>",
"References: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"\t<Mr.MvmCz-GQbi_.6FGRkhDf05c@c2.testrun.org>",
"Chat-Version: 1.0",
"Autocrypt: addr=barbaz@c2.testrun.org; prefer-encrypt=mutual;",
"\tkeydata=xjMEZSwWjhYJKwYBBAHaRw8BAQdAQBEhqeJh0GueHB6kF/DUQqYCxARNBVokg/AzT+7LqH",
"\trNFzxiYXJiYXpAYzIudGVzdHJ1bi5vcmc+wosEEBYIADMCGQEFAmUsFo4CGwMECwkIBwYVCAkKCwID",
"\tFgIBFiEEFTfUNvVnY3b9F7yHnmme1PfUhX8ACgkQnmme1PfUhX9A4AEAnHWHp49eBCMHK5t66gYPiW",
"\tXQuB1mwUjzGfYWB+0RXUoA/0xcQ3FbUNlGKW7Blp6eMFfViv6Mv2d3kNSXACB6nmcMzjgEZSwWjhIK",
"\tKwYBBAGXVQEFAQEHQBpY5L2M1XHo0uxf8SX1wNLBp/OVvidoWHQF2Jz+kJsUAwEIB8J4BBgWCAAgBQ",
"\tJlLBaOAhsMFiEEFTfUNvVnY3b9F7yHnmme1PfUhX8ACgkQnmme1PfUhX/INgEA37AJaNvruYsJVanP",
"\tIXnYw4CKd55UAwl8Zcy+M2diAbkA/0fHHcGV4r78hpbbL1Os52DPOdqYQRauIeJUeG+G6bQO",
"MIME-Version: 1.0",
'Content-Type: multipart/encrypted; protocol="application/pgp-encrypted";',
'\tboundary="YFrteb74qSXmggbOxZL9dRnhymywAi"',
"",
"",
"--YFrteb74qSXmggbOxZL9dRnhymywAi",
"Content-Description: PGP/MIME version identification",
"Content-Type: application/pgp-encrypted",
"",
"Version: 1",
"",
"",
"--YFrteb74qSXmggbOxZL9dRnhymywAi",
"Content-Description: OpenPGP encrypted message",
'Content-Disposition: inline; filename="encrypted.asc";',
'Content-Type: application/octet-stream; name="encrypted.asc"',
"",
"-----BEGIN PGP MESSAGE-----",
"",
"wU4DhW3gBZ/VvCYSAQdA8bMs2spwbKdGjVsL1ByPkNrqD7frpB73maeL6I6SzDYg",
"O5G53tv339RdKq3WRcCtEEvxjHlUx2XNwXzC04BpmfvBTgNfPUyLDzjXnxIBB0Ae",
"8ymwGvXMCCimHXN0Dg8Ui62KOi03h0UgheoHWovJSCDF4CKre/xtFr3nL7lq/PKI",
"JsjVNz7/RK9FSXF6WwfONtLCyQGEuVAsB/KXfCBEyfKhaMwGHvhujRidGW5uV1no",
"lMGl3ODmo29Lgeu2uSE7EpJRZoe6hU6ddmBkqxax61ZtkaFlGFFpdo2K8balNNdz",
"ZsJ/9mmI9x3oOJ4/l1nhQbUO9ADbs7gJhFdV5Qkp30b5fCI7bU+aoe1ccBbLe/WM",
"YUty1PqcuQT7XjA+XmYuL261tvW8pBetT+i33/E2d8PzzYt2IuK9qeevyS+yxdwA",
"kfwejFWzzsUlJaDxs1x4XOxkMgSj+jo+g12dFOb7fyClsAnq23iDb8AuaT/BScAI",
"+lO+gher69+6LmM7VGHLG5k762J1jTaQCaKt1s8TAWV99Eo4491vL6fyvk3l/Cfg",
"RXSwiWFgj19Pn0Rq7CD9v22UE2vdUMBTcV4aw79mClk1YQ23jbF0y5DCjPdJ62Zo",
"tskBgFt3NoWV80jZ76zIBLrrjLwCCll8JjJtFwSkt2GX5RFBsVa4A8IDht9RtEk7",
"rrHgbSZQfkauEi/mH3/6CDZoLqSHudUZ7d4MaJwun1TkFYGe2ORwGJd4OBj3oGJp",
"H8YBwCpk///L/fKjX0Gg3M8nrpM4wrRFhPKidAgO/kcm25X4+ZHlVkWBTCt5RWKI",
"fHh6oLDZCqCfcgMkE1KKmwfIHaUkhq5BPRigwy6i5dh1DM4+1UCLh3dxzVbqE9b9",
"61NB19nXdRtDA2sOUnj9ve6m/wEPyCb6/zBQZqvCBYb1/AjdXpUrFT+DbpfyxaXN",
"XfhDVb5mNqNM/IVj0V5fvTc6vOfYbzQtPm10H+FdWWfb+rJRfyC3MA2w2IqstFe3",
"w3bu2iE6CQvSqRvge+ZqLKt/NqYwOURiUmpuklbl3kPJ97+mfKWoiqk8Iz1VY+bb",
"NMUC7aoGv+jcoj+WS6PYO8N6BeRVUUB3ZJSf8nzjgxm1/BcM+UD3BPrlhT11ODRs",
"baifGbprMWwt3dhb8cQgRT8GPdpO1OsDkzL6iikMjLHWWiA99GV6ruiHsIPw6boW",
"A6/uSOskbDHOROotKmddGTBd0iiHXAoQsJFt1ZjUkt6EHrgWs+GAvrvKpXs1mrz8",
"uj3GwEFrHS+Xuf2UDgpszYT3hI2cL/kUtGakVR7m7vVMZqXBUbZdGAEb1PZNPwsI",
"E4aMK02+EVB+tSN4Fzj99N2YD0inVYt+oPjr2tHhUS6aSGBNS/48Ki47DOg4Sxkn",
"lkOWnEbCD+XTnbDd",
"=agR5",
"-----END PGP MESSAGE-----",
"",
"",
"--YFrteb74qSXmggbOxZL9dRnhymywAi--",
"",
"",
]
).encode()
)
assert not check_encrypted_bstr(
"\r\n".join(
[
"Subject: Buy Penis Enlargement at www.malicious-domain.com",
"From: <barbaz@c2.testrun.org>",
"To: <foobar@c2.testrun.org>",
"Date: Sun, 15 Oct 2023 16:43:21 +0000",
"Message-ID: <Mr.UVyJWZmkCKM.hGzNc6glBE_@c2.testrun.org>",
"In-Reply-To: <Mr.MvmCz-GQbi_.6FGRkhDf05c@c2.testrun.org>",
"References: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>",
"\t<Mr.MvmCz-GQbi_.6FGRkhDf05c@c2.testrun.org>",
"Chat-Version: 1.0",
"Autocrypt: addr=barbaz@c2.testrun.org; prefer-encrypt=mutual;",
"\tkeydata=xjMEZSwWjhYJKwYBBAHaRw8BAQdAQBEhqeJh0GueHB6kF/DUQqYCxARNBVokg/AzT+7LqH",
"\trNFzxiYXJiYXpAYzIudGVzdHJ1bi5vcmc+wosEEBYIADMCGQEFAmUsFo4CGwMECwkIBwYVCAkKCwID",
"\tFgIBFiEEFTfUNvVnY3b9F7yHnmme1PfUhX8ACgkQnmme1PfUhX9A4AEAnHWHp49eBCMHK5t66gYPiW",
"\tXQuB1mwUjzGfYWB+0RXUoA/0xcQ3FbUNlGKW7Blp6eMFfViv6Mv2d3kNSXACB6nmcMzjgEZSwWjhIK",
"\tKwYBBAGXVQEFAQEHQBpY5L2M1XHo0uxf8SX1wNLBp/OVvidoWHQF2Jz+kJsUAwEIB8J4BBgWCAAgBQ",
"\tJlLBaOAhsMFiEEFTfUNvVnY3b9F7yHnmme1PfUhX8ACgkQnmme1PfUhX/INgEA37AJaNvruYsJVanP",
"\tIXnYw4CKd55UAwl8Zcy+M2diAbkA/0fHHcGV4r78hpbbL1Os52DPOdqYQRauIeJUeG+G6bQO",
"MIME-Version: 1.0",
'Content-Type: multipart/encrypted; protocol="application/pgp-encrypted";',
'\tboundary="YFrteb74qSXmggbOxZL9dRnhymywAi"',
"",
"",
"--YFrteb74qSXmggbOxZL9dRnhymywAi",
"Content-Description: PGP/MIME version identification",
"Content-Type: application/pgp-encrypted",
"",
"Version: 1",
"",
"",
"--YFrteb74qSXmggbOxZL9dRnhymywAi",
"Content-Description: OpenPGP encrypted message",
'Content-Disposition: inline; filename="encrypted.asc";',
'Content-Type: application/octet-stream; name="encrypted.asc"',
"",
"-----BEGIN PGP MESSAGE-----",
"",
"wU4DhW3gBZ/VvCYSAQdA8bMs2spwbKdGjVsL1ByPkNrqD7frpB73maeL6I6SzDYg",
"O5G53tv339RdKq3WRcCtEEvxjHlUx2XNwXzC04BpmfvBTgNfPUyLDzjXnxIBB0Ae",
"8ymwGvXMCCimHXN0Dg8Ui62KOi03h0UgheoHWovJSCDF4CKre/xtFr3nL7lq/PKI",
"JsjVNz7/RK9FSXF6WwfONtLCyQGEuVAsB/KXfCBEyfKhaMwGHvhujRidGW5uV1no",
"lMGl3ODmo29Lgeu2uSE7EpJRZoe6hU6ddmBkqxax61ZtkaFlGFFpdo2K8balNNdz",
"ZsJ/9mmI9x3oOJ4/l1nhQbUO9ADbs7gJhFdV5Qkp30b5fCI7bU+aoe1ccBbLe/WM",
"YUty1PqcuQT7XjA+XmYuL261tvW8pBetT+i33/E2d8PzzYt2IuK9qeevyS+yxdwA",
"kfwejFWzzsUlJaDxs1x4XOxkMgSj+jo+g12dFOb7fyClsAnq23iDb8AuaT/BScAI",
"+lO+gher69+6LmM7VGHLG5k762J1jTaQCaKt1s8TAWV99Eo4491vL6fyvk3l/Cfg",
"RXSwiWFgj19Pn0Rq7CD9v22UE2vdUMBTcV4aw79mClk1YQ23jbF0y5DCjPdJ62Zo",
"tskBgFt3NoWV80jZ76zIBLrrjLwCCll8JjJtFwSkt2GX5RFBsVa4A8IDht9RtEk7",
"rrHgbSZQfkauEi/mH3/6CDZoLqSHudUZ7d4MaJwun1TkFYGe2ORwGJd4OBj3oGJp",
"H8YBwCpk///L/fKjX0Gg3M8nrpM4wrRFhPKidAgO/kcm25X4+ZHlVkWBTCt5RWKI",
"fHh6oLDZCqCfcgMkE1KKmwfIHaUkhq5BPRigwy6i5dh1DM4+1UCLh3dxzVbqE9b9",
"61NB19nXdRtDA2sOUnj9ve6m/wEPyCb6/zBQZqvCBYb1/AjdXpUrFT+DbpfyxaXN",
"XfhDVb5mNqNM/IVj0V5fvTc6vOfYbzQtPm10H+FdWWfb+rJRfyC3MA2w2IqstFe3",
"w3bu2iE6CQvSqRvge+ZqLKt/NqYwOURiUmpuklbl3kPJ97+mfKWoiqk8Iz1VY+bb",
"NMUC7aoGv+jcoj+WS6PYO8N6BeRVUUB3ZJSf8nzjgxm1/BcM+UD3BPrlhT11ODRs",
"baifGbprMWwt3dhb8cQgRT8GPdpO1OsDkzL6iikMjLHWWiA99GV6ruiHsIPw6boW",
"A6/uSOskbDHOROotKmddGTBd0iiHXAoQsJFt1ZjUkt6EHrgWs+GAvrvKpXs1mrz8",
"uj3GwEFrHS+Xuf2UDgpszYT3hI2cL/kUtGakVR7m7vVMZqXBUbZdGAEb1PZNPwsI",
"E4aMK02+EVB+tSN4Fzj99N2YD0inVYt+oPjr2tHhUS6aSGBNS/48Ki47DOg4Sxkn",
"lkOWnEbCD+XTnbDd",
"=agR5",
"-----END PGP MESSAGE-----",
"",
"",
"--YFrteb74qSXmggbOxZL9dRnhymywAi--",
"",
"",
]
).encode()
)
assert not check_encrypted_bstr(
"\r\n".join(
[
"Subject: Message opened",
"From: <barbaz@c2.testrun.org>",
"To: <foobar@c2.testrun.org>",
"Date: Sun, 15 Oct 2023 16:43:25 +0000",
"Message-ID: <Mr.78MWtlV7RAi.goCFzBhCYfy@c2.testrun.org>",
"Auto-Submitted: auto-replied",
"Chat-Version: 1.0",
"MIME-Version: 1.0",
"Content-Type: multipart/report; report-type=disposition-notification;",
'\tboundary="Gl92xgZjOShJ5PGHntqYkoo2OK2Dvi"',
"",
"",
"--Gl92xgZjOShJ5PGHntqYkoo2OK2Dvi",
"Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no",
"",
'The "Hi!" message you sent was displayed on the screen of the recipient.',
"",
"This is no guarantee the content was read.",
"",
"",
"--Gl92xgZjOShJ5PGHntqYkoo2OK2Dvi",
"Content-Type: message/disposition-notification",
"",
"Reporting-UA: Delta Chat 1.124.1",
"Original-Recipient: rfc822;barbaz@c2.testrun.org",
"Final-Recipient: rfc822;barbaz@c2.testrun.org",
"Original-Message-ID: <Mr.MvmCz-GQbi_.6FGRkhDf05c@c2.testrun.org>",
"Disposition: manual-action/MDN-sent-automatically; displayed",
"",
"",
"--Gl92xgZjOShJ5PGHntqYkoo2OK2Dvi--",
"",
"",
]
).encode()
)

View File

@@ -1,7 +0,0 @@
request:
provider: https://acme-v02.api.letsencrypt.org/directory
key:
type: rsa
challenge:
webroot-paths:
- /var/www/html/.well-known/acme-challenge

View File

@@ -1,37 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<clientConfig version="1.1">
<emailProvider id="{{ config.domain_name }}">
<domain>{{ config.domain_name }}</domain>
<displayName>{{ config.domain_name }} chatmail</displayName>
<displayShortName>{{ config.domain_name }}</displayShortName>
<incomingServer type="imap">
<hostname>{{ config.domain_name }}</hostname>
<port>993</port>
<socketType>SSL</socketType>
<authentication>password-cleartext</authentication>
<username>%EMAILADDRESS%</username>
</incomingServer>
<incomingServer type="imap">
<hostname>{{ config.domain_name }}</hostname>
<port>143</port>
<socketType>STARTTLS</socketType>
<authentication>password-cleartext</authentication>
<username>%EMAILADDRESS%</username>
</incomingServer>
<outgoingServer type="smtp">
<hostname>{{ config.domain_name }}</hostname>
<port>465</port>
<socketType>SSL</socketType>
<authentication>password-cleartext</authentication>
<username>%EMAILADDRESS%</username>
</outgoingServer>
<outgoingServer type="smtp">
<hostname>{{ config.domain_name }}</hostname>
<port>587</port>
<socketType>STARTTLS</socketType>
<authentication>password-cleartext</authentication>
<username>%EMAILADDRESS%</username>
</outgoingServer>
</emailProvider>
</clientConfig>

View File

@@ -1,5 +0,0 @@
uri = proxy:/run/dovecot/doveauth.socket:auth
iterate_disable = yes
default_pass_scheme = plain
password_key = passdb/%w/%u
user_key = userdb/%u

View File

@@ -1,4 +0,0 @@
2 0 * * * dovecot doveadm expunge -A SEEN BEFORE 40d INBOX
2 0 * * * dovecot doveadm expunge -A SEEN BEFORE 40d Deltachat
2 0 * * * dovecot doveadm expunge -A SEEN BEFORE 40d Trash
2 30 * * * dovecot doveadm purge -A

View File

@@ -1,47 +0,0 @@
user www-data;
worker_processes auto;
pid /run/nginx.pid;
error_log /var/log/nginx/error.log;
events {
worker_connections 768;
# multi_accept on;
}
http {
sendfile on;
tcp_nopush on;
# Do not emit nginx version on error pages.
server_tokens off;
include /etc/nginx/mime.types;
default_type application/octet-stream;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
ssl_prefer_server_ciphers on;
ssl_certificate /var/lib/acme/live/{{ config.domain_name }}/fullchain;
ssl_certificate_key /var/lib/acme/live/{{ config.domain_name }}/privkey;
gzip on;
server {
listen 80 default_server;
listen [::]:80 default_server;
listen 443 ssl default_server;
listen [::]:443 ssl default_server;
root /var/www/html;
index index.html index.htm;
server_name _;
location / {
# First attempt to serve request as file, then
# as directory, then fall back to displaying a 404.
try_files $uri $uri/ =404;
}
}
}

View File

@@ -1,6 +1,6 @@
import os
import pyinfra
from deploy_chatmail import deploy_chatmail
from pyinfra import host, facts
from chatmail import deploy_chatmail
def main():
@@ -15,5 +15,4 @@ def main():
deploy_chatmail(mail_domain, mail_server, dkim_selector)
if pyinfra.is_cli:
main()
main()

View File

@@ -1,60 +0,0 @@
def test_tls_imap(benchmark, imap):
def imap_connect():
imap.connect()
benchmark(imap_connect, 10)
def test_login_imap(benchmark, imap, gencreds):
def imap_connect_and_login():
imap.connect()
imap.login(*gencreds())
benchmark(imap_connect_and_login, 10)
def test_tls_smtp(benchmark, smtp):
def smtp_connect():
smtp.connect()
benchmark(smtp_connect, 10)
def test_login_smtp(benchmark, smtp, gencreds):
def smtp_connect_and_login():
smtp.connect()
smtp.login(*gencreds())
benchmark(smtp_connect_and_login, 10)
class TestDC:
def test_autoconfigure(self, benchmark, cmfactory):
def autoconfig_and_idle_ready():
cmfactory.get_online_accounts(1)
benchmark(autoconfig_and_idle_ready, 5)
def test_ping_pong(self, benchmark, cmfactory):
ac1, ac2 = cmfactory.get_online_accounts(2)
chat = cmfactory.get_accepted_chat(ac1, ac2)
def ping_pong():
chat.send_text("ping")
msg = ac2.wait_next_incoming_message()
msg.chat.send_text("pong")
ac1.wait_next_incoming_message()
benchmark(ping_pong, 3)
def test_send_10_receive_10(self, benchmark, cmfactory, lp):
ac1, ac2 = cmfactory.get_online_accounts(2)
chat = cmfactory.get_accepted_chat(ac1, ac2)
def send_10_receive_10():
for i in range(10):
chat.send_text(f"hello {i}")
for i in range(10):
ac2.wait_next_incoming_message()
benchmark(send_10_receive_10, 1)

View File

@@ -1,320 +0,0 @@
import os
import io
import time
import random
import subprocess
import imaplib
import smtplib
import itertools
import pytest
def pytest_addoption(parser):
parser.addoption(
"--slow", action="store_true", default=False, help="also run slow tests"
)
def pytest_configure(config):
config._benchresults = {}
def pytest_runtest_setup(item):
markers = list(item.iter_markers(name="slow"))
if markers:
if not item.config.getoption("--slow"):
pytest.skip("skipping slow test, use --slow to run")
@pytest.fixture
def maildomain():
domain = os.environ.get("CHATMAIL_DOMAIN")
if not domain:
pytest.skip("set CHATMAIL_DOMAIN to a ssh-reachable chatmail instance")
return domain
@pytest.fixture
def sshdomain(maildomain):
return os.environ.get("CHATMAIL_SSH", maildomain)
@pytest.fixture
def maildomain2():
domain = os.environ.get("CHATMAIL_DOMAIN2")
if not domain:
pytest.skip("set CHATMAIL_DOMAIN2 to a ssh-reachable chatmail instance")
return domain
@pytest.fixture
def sshdomain2(maildomain2):
return os.environ.get("CHATMAIL_SSH2", maildomain2)
def pytest_report_header():
domain = os.environ.get("CHATMAIL_DOMAIN")
if domain:
text = f"chatmail test instance: {domain}"
return ["-" * len(text), text, "-" * len(text)]
@pytest.fixture
def benchmark(request):
def bench(func, num, name=None):
if name is None:
name = func.__name__
durations = []
for i in range(num):
now = time.time()
func()
durations.append(time.time() - now)
durations.sort()
request.config._benchresults[name] = durations
return bench
def pytest_terminal_summary(terminalreporter):
tr = terminalreporter
results = tr.config._benchresults
tr.section("benchmark results")
headers = f"{'benchmark name': <30} {'median': >6}"
tr.write_line(headers)
tr.write_line("-" * len(headers))
for name, durations in results.items():
median = sorted(durations)[len(durations) // 2]
median = f"{median:2.4f}"
tr.write_line(f"{name: <30} {median: >6}")
@pytest.fixture
def imap(maildomain):
return ImapConn(maildomain)
class ImapConn:
AuthError = imaplib.IMAP4.error
logcmd = "journalctl -f -u dovecot"
name = "dovecot"
def __init__(self, host):
self.host = host
def connect(self):
print(f"imap-connect {self.host}")
self.conn = imaplib.IMAP4_SSL(self.host)
def login(self, user, password):
print(f"imap-login {user!r} {password!r}")
self.conn.login(user, password)
def fetch_all(self):
print("imap-fetch all")
status, res = self.conn.select()
if int(res[0]) == 0:
raise ValueError("no messages in imap folder")
status, results = self.conn.fetch("1:*", "(RFC822)")
assert status == "OK"
return results
def fetch_all_messages(self):
print("imap-fetch all messages")
results = self.fetch_all()
messages = []
for item in results:
if len(item) == 2:
messages.append(item[1].decode())
return messages
@pytest.fixture
def smtp(maildomain):
return SmtpConn(maildomain)
class SmtpConn:
AuthError = smtplib.SMTPAuthenticationError
logcmd = "journalctl -f -t postfix/smtpd -t postfix/smtp -t postfix/lmtp"
name = "postfix"
def __init__(self, host):
self.host = host
def connect(self):
print(f"smtp-connect {self.host}")
self.conn = smtplib.SMTP_SSL(self.host)
def login(self, user, password):
print(f"smtp-login {user!r} {password!r}")
self.conn.login(user, password)
def sendmail(self, from_addr, to_addrs, msg):
print(f"smtp-sendmail from={from_addr!r} to_addrs={to_addrs!r}")
print(f"smtp-sendmail message size: {len(msg)}")
return self.conn.sendmail(from_addr=from_addr, to_addrs=to_addrs, msg=msg)
@pytest.fixture(params=["imap", "smtp"])
def imap_or_smtp(request):
return request.getfixturevalue(request.param)
@pytest.fixture
def gencreds(maildomain):
count = itertools.count()
next(count)
def gen(domain=None):
domain = domain if domain else maildomain
while 1:
num = next(count)
alphanumeric = "abcdefghijklmnopqrstuvwxyz1234567890"
user = "".join(random.choices(alphanumeric, k=10))
user = f"ac{num}_{user}"
password = "".join(random.choices(alphanumeric, k=10))
yield f"{user}@{domain}", f"{password}"
return lambda domain=None: next(gen(domain))
#
# Delta Chat testplugin re-use
# use the cmfactory fixture to get chatmail instance accounts
#
class ChatmailTestProcess:
"""Provider for chatmail instance accounts as used by deltachat.testplugin.acfactory"""
def __init__(self, pytestconfig, maildomain, gencreds):
self.pytestconfig = pytestconfig
self.maildomain = maildomain
assert "." in self.maildomain, maildomain
self.gencreds = gencreds
self._addr2files = {}
def get_liveconfig_producer(self):
while 1:
user, password = self.gencreds(self.maildomain)
config = {
"addr": user,
"mail_pw": password,
}
# speed up account configuration
config["mail_server"] = self.maildomain
config["send_server"] = self.maildomain
yield config
def cache_maybe_retrieve_configured_db_files(self, cache_addr, db_target_path):
pass
def cache_maybe_store_configured_db_files(self, acc):
pass
@pytest.fixture
def cmfactory(request, gencreds, tmpdir, data, maildomain):
# cloned from deltachat.testplugin.amfactory
pytest.importorskip("deltachat")
from deltachat.testplugin import ACFactory
testproc = ChatmailTestProcess(request.config, maildomain, gencreds)
am = ACFactory(request=request, tmpdir=tmpdir, testprocess=testproc, data=data)
# nb. a bit hacky
# would probably be better if deltachat's test machinery grows native support
def switch_maildomain(maildomain2):
am.testprocess.maildomain = maildomain2
am.switch_maildomain = switch_maildomain
yield am
if hasattr(request.node, "rep_call") and request.node.rep_call.failed:
if testproc.pytestconfig.getoption("--extra-info"):
logfile = io.StringIO()
am.dump_imap_summary(logfile=logfile)
print(logfile.getvalue())
# request.node.add_report_section("call", "imap-server-state", s)
@pytest.fixture
def remote(sshdomain):
return Remote(sshdomain)
class Remote:
def __init__(self, sshdomain):
self.sshdomain = sshdomain
def iter_output(self, logcmd=""):
getjournal = f"journalctl -f" if not logcmd else logcmd
self.popen = subprocess.Popen(
["ssh", f"root@{self.sshdomain}", getjournal],
stdout=subprocess.PIPE,
)
while 1:
line = self.popen.stdout.readline()
res = line.decode().strip().lower()
if res:
yield res
else:
break
@pytest.fixture
def mailgen(request):
class Mailgen:
def get_encrypted(self, from_addr, to_addr):
data = request.fspath.dirpath("mailgen/encrypted.eml").read()
return data.format(from_addr=from_addr, to_addr=to_addr)
return Mailgen()
@pytest.fixture
def cmsetup(maildomain, gencreds):
return CMSetup(maildomain, gencreds)
class CMSetup:
def __init__(self, maildomain, gencreds):
self.maildomain = maildomain
self.gencreds = gencreds
def gen_users(self, num):
print(f"Creating {num} online users")
users = []
for i in range(num):
addr, password = self.gencreds()
user = CMUser(self.maildomain, addr, password)
assert user.smtp
users.append(user)
return users
class CMUser:
def __init__(self, maildomain, addr, password):
self.maildomain = maildomain
self.addr = addr
self.password = password
self._smtp = None
self._imap = None
@property
def smtp(self):
if not self._smtp:
handle = SmtpConn(self.maildomain)
handle.connect()
handle.login(self.addr, self.password)
self._smtp = handle
return self._smtp
@property
def imap(self):
if not self._imap:
imap = ImapConn(self.maildomain)
imap.connect()
imap.login(self.addr, self.password)
self._imap = imap
return self._imap

View File

@@ -1,66 +0,0 @@
From: {from_addr}
To: {to_addr}
Subject: ...
Date: Sun, 15 Oct 2023 16:43:21 +0000
Message-ID: <Mr.UVyJWZmkCKM.hGzNc6glBE_@c2.testrun.org>
In-Reply-To: <Mr.MvmCz-GQbi_.6FGRkhDf05c@c2.testrun.org>
References: <Mr.3gckbNy5bch.uK3Hd2Ws6-w@c2.testrun.org>
<Mr.MvmCz-GQbi_.6FGRkhDf05c@c2.testrun.org>
Chat-Version: 1.0
Autocrypt: addr={from_addr}; prefer-encrypt=mutual;
keydata=xjMEZSwWjhYJKwYBBAHaRw8BAQdAQBEhqeJh0GueHB6kF/DUQqYCxARNBVokg/AzT+7LqH
rNFzxiYXJiYXpAYzIudGVzdHJ1bi5vcmc+wosEEBYIADMCGQEFAmUsFo4CGwMECwkIBwYVCAkKCwID
FgIBFiEEFTfUNvVnY3b9F7yHnmme1PfUhX8ACgkQnmme1PfUhX9A4AEAnHWHp49eBCMHK5t66gYPiW
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KwYBBAGXVQEFAQEHQBpY5L2M1XHo0uxf8SX1wNLBp/OVvidoWHQF2Jz+kJsUAwEIB8J4BBgWCAAgBQ
JlLBaOAhsMFiEEFTfUNvVnY3b9F7yHnmme1PfUhX8ACgkQnmme1PfUhX/INgEA37AJaNvruYsJVanP
IXnYw4CKd55UAwl8Zcy+M2diAbkA/0fHHcGV4r78hpbbL1Os52DPOdqYQRauIeJUeG+G6bQO
MIME-Version: 1.0
Content-Type: multipart/encrypted; protocol="application/pgp-encrypted";
boundary="YFrteb74qSXmggbOxZL9dRnhymywAi"
--YFrteb74qSXmggbOxZL9dRnhymywAi
Content-Description: PGP/MIME version identification
Content-Type: application/pgp-encrypted
Version: 1
--YFrteb74qSXmggbOxZL9dRnhymywAi
Content-Description: OpenPGP encrypted message
Content-Disposition: inline; filename="encrypted.asc";
Content-Type: application/octet-stream; name="encrypted.asc"
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--YFrteb74qSXmggbOxZL9dRnhymywAi--

View File

@@ -1,3 +0,0 @@
[pytest]
addopts = -vrsx --strict-markers
markers = slow: mark test as slow (requires --slow option to run)

View File

@@ -1,52 +0,0 @@
import smtplib
import pytest
def test_remote(remote, imap_or_smtp):
lineproducer = remote.iter_output(imap_or_smtp.logcmd)
imap_or_smtp.connect()
assert imap_or_smtp.name in next(lineproducer)
def test_use_two_chatmailservers(cmfactory, maildomain2):
ac1 = cmfactory.new_online_configuring_account(cache=False)
cmfactory.switch_maildomain(maildomain2)
ac2 = cmfactory.new_online_configuring_account(cache=False)
cmfactory.bring_accounts_online()
cmfactory.get_accepted_chat(ac1, ac2)
domain1 = ac1.get_config("addr").split("@")[1]
domain2 = ac2.get_config("addr").split("@")[1]
assert domain1 != domain2
@pytest.mark.parametrize("forgeaddr", ["internal", "someone@example.org"])
def test_reject_forged_from(cmsetup, mailgen, lp, remote, forgeaddr):
user1, user3 = cmsetup.gen_users(2)
lp.sec("send encrypted message with forged from")
print("envelope_from", user1.addr)
if forgeaddr == "internal":
addr_to_forge = cmsetup.gen_users(1)[0].addr
else:
addr_to_forge = "someone@example.org"
print("message to inject:")
msg = mailgen.get_encrypted(from_addr=addr_to_forge, to_addr=user3.addr)
for line in msg.split("\n")[:4]:
print(f" {line}")
lp.sec("Send forged mail and check remote postfix lmtp processing result")
remote_log = remote.iter_output("journalctl -t postfix/lmtp")
user1.smtp.sendmail(from_addr=user1.addr, to_addrs=[user3.addr], msg=msg)
for line in remote_log:
# print(line)
if "500 invalid from" in line and user3.addr in line:
break
else:
pytest.fail("remote postfix/filtermail failed to reject message")
# check that the logged in user (who sent the forged msg) got a non-delivery notice
for message in user1.imap.fetch_all_messages():
if "Invalid FROM" in message and addr_to_forge in message:
return
pytest.fail(f"forged From={addr_to_forge} did not cause non-delivery notice")

View File

@@ -1,36 +0,0 @@
import pytest
def test_login_basic_functioning(imap_or_smtp, gencreds, lp):
"""Test a) that an initial login creates a user automatically
and b) verify we can also login a second time with the same password
and c) that using a different password fails the login."""
user, password = gencreds()
lp.sec(f"login first time with {user} {password}")
imap_or_smtp.connect()
imap_or_smtp.login(user, password)
lp.indent("success")
lp.sec(f"reconnect and login second time {user} {password}")
imap_or_smtp.connect()
imap_or_smtp.login(user, password)
imap_or_smtp.connect()
lp.sec("success")
lp.sec(f"reconnect and verify wrong password fails {user} ")
imap_or_smtp.connect()
with pytest.raises(imap_or_smtp.AuthError):
imap_or_smtp.login(user, password + "wrong")
def test_login_same_password(imap_or_smtp, gencreds):
"""Test two different users logging in with the same password
to ensure that authentication process does not confuse the users
by using only the password hash as a key.
"""
user1, password1 = gencreds()
user2, _ = gencreds()
imap_or_smtp.connect()
imap_or_smtp.login(user1, password1)
imap_or_smtp.connect()
imap_or_smtp.login(user2, password1)

View File

@@ -1,83 +0,0 @@
import random
import pytest
class TestEndToEndDeltaChat:
"Tests that use Delta Chat accounts on the chat mail instance."
def test_one_on_one(self, cmfactory, lp):
"""Test that a DC account can send a message to a second DC account
on the same chat-mail instance."""
ac1, ac2 = cmfactory.get_online_accounts(2)
chat = cmfactory.get_accepted_chat(ac1, ac2)
lp.sec("ac1: prepare and send text message to ac2")
chat.send_text("message0")
lp.sec("wait for ac2 to receive message")
msg2 = ac2._evtracker.wait_next_incoming_message()
assert msg2.text == "message0"
@pytest.mark.slow
def test_exceed_quota(self, cmfactory, lp, tmpdir, remote):
"""This is a very slow test as it needs to upload >100MB of mail data
before quota is exceeded, and thus depends on the speed of the upload.
"""
ac1, ac2 = cmfactory.get_online_accounts(2)
chat = cmfactory.get_accepted_chat(ac1, ac2)
quota = 1024 * 1024 * 100
attachsize = 1 * 1024 * 1024
num_to_send = quota // attachsize + 2
lp.sec(f"ac1: send {num_to_send} large files to ac2")
lp.indent(f"per-user quota is assumed to be: {quota/(1024*1024)}MB")
alphanumeric = "abcdefghijklmnopqrstuvwxyz1234567890"
msgs = []
for i in range(num_to_send):
attachment = tmpdir / f"attachment{i}"
data = "".join(random.choice(alphanumeric) for i in range(1024))
with open(attachment, "w+") as f:
for j in range(attachsize // len(data)):
f.write(data)
msg = chat.send_file(str(attachment))
msgs.append(msg)
lp.indent(f"Sent out msg {i}, size {attachsize/(1024*1024)}MB")
lp.sec("ac2: check messages are arriving until quota is reached")
addr = ac2.get_config("addr").lower()
saved_ok = 0
for line in remote.iter_output("journalctl -f -u dovecot"):
if addr not in line:
# print(line)
continue
if "quota" in line:
if "quota exceeded" in line:
if saved_ok < num_to_send // 2:
pytest.fail(
f"quota exceeded too early: after {saved_ok} messages already"
)
lp.indent("good, message sending failed because quota was exceeded")
return
if "saved mail to inbox" in line:
saved_ok += 1
print(f"{saved_ok}: {line}")
if saved_ok >= num_to_send:
break
pytest.fail("sending succeeded although messages should exceed quota")
def test_securejoin(self, cmfactory, lp, maildomain2):
ac1 = cmfactory.new_online_configuring_account(cache=False)
cmfactory.switch_maildomain(maildomain2)
ac2 = cmfactory.new_online_configuring_account(cache=False)
cmfactory.bring_accounts_online()
lp.sec("ac1: create QR code and let ac2 scan it, starting the securejoin")
qr = ac1.get_setup_contact_qr()
lp.sec("ac2: start QR-code based setup contact protocol")
ch = ac2.qr_setup_contact(qr)
assert ch.id >= 10
ac1._evtracker.wait_securejoin_inviter_progress(1000)

View File

@@ -1,65 +0,0 @@
# Chat-mail server development (up until Oct 18th)
## Dovecot goals/steps
- automatic expiry of messages older than M days
- also expunge unread messages
- limit: configure max-connections per account
## nami: send out rate limit / rspamd
- basic outgoing send rate/limits (depending on "account-rating")
use rspamd in a minimal way, check support dkim-signing
(including an online test exceeding rate limit)
## doveauth questions/futures
- bcrypt-password scheme is slow: require long passwords, use faster hashing
- define user-name and password policies, and implement them
(be very restrictive at the beginning, we can relax later)
- password is part of the dictproxy-lookup key, is it safe to use auth-caching?
## How to limit creation of accounts?
attack: a 3-line bash script to fill the chatmail db with millions of unused accouts
- make it computationally expensive (somehow try to except our tests from it)
1st pass instant onboarding: create userid + cheap password -- if it fails then
2nd pass instant onboarding: create userdid + comput. expensive password
- probably also do firewall: limit number of new tcp-connections per IP address per duration
## Open/deferred questions
- automatic expiry of users that haven't logged in for N days
Is it neccessary? If all messages are gone, does the existence of
an e-mail address bother anybody?
## web page for chat-mail servers?
- documentation for users, privacy policy etc.
(probably also with provider-messages ...)
## online tests (first with plain python/pytest)
- write tests for dovecot login (exists)
- write tests for postfix logins (exists)
- write A<>B send/receive tests (exists)
## Delta Chat
1. qr code that defines access to a chatmail instance (like mailadm but without http etc.)
2. support for creating username/password and verifying login works

View File

@@ -3,7 +3,7 @@ requires = ["setuptools>=45"]
build-backend = "setuptools.build_meta"
[project]
name = "deploy-chatmail"
name = "chatmail"
version = "0.1"
dependencies = [
"pyinfra",

View File

@@ -1,4 +0,0 @@
#!/bin/bash
set -e
online-tests/venv/bin/pytest online-tests/benchmark.py -vrx

View File

@@ -1,10 +1,3 @@
#!/usr/bin/env bash
: ${CHATMAIL_DOMAIN:=c1.testrun.org}
export CHATMAIL_DOMAIN
chatmaild/venv/bin/python3 -m build -n --sdist chatmaild --outdir dist
deploy-chatmail/venv/bin/pyinfra --ssh-user root "$CHATMAIL_DOMAIN" \
deploy-chatmail/src/deploy_chatmail/deploy.py
rm -r dist/
export CHATMAIL_DOMAIN="${1:-c1.testrun.org}"
venv/bin/pyinfra --ssh-user root "$CHATMAIL_DOMAIN" deploy.py

View File

@@ -1,14 +0,0 @@
import os
import time
import imaplib
domain = os.environ.get("CHATMAIL_DOMAIN", "c3.testrun.org")
print("connecting")
conn = imaplib.IMAP4_SSL(domain)
print("logging in")
conn.login(f"imapcapa", "pass")
status, res = conn.capability()
for capa in sorted(res[0].decode().split()):
print(capa)

View File

@@ -1,14 +1,4 @@
#!/bin/sh
set -e
python3 -m venv deploy-chatmail/venv
deploy-chatmail/venv/bin/pip install pyinfra pytest
deploy-chatmail/venv/bin/pip install -e deploy-chatmail
deploy-chatmail/venv/bin/pip install -e chatmaild
python3 -m venv chatmaild/venv
sudo apt install -y dovecot-core && sudo systemctl disable --now dovecot
chatmaild/venv/bin/pip install --upgrade pytest build 'setuptools>=68'
chatmaild/venv/bin/pip install -e chatmaild
python3 -m venv online-tests/venv
online-tests/venv/bin/pip install pytest pytest-timeout pdbpp deltachat
python3 -m venv venv
venv/bin/pip install pyinfra
venv/bin/pip install -e .

View File

@@ -1,28 +0,0 @@
#!/usr/bin/env python3
import os
import time
import imaplib
domain = os.environ.get("CHATMAIL_DOMAIN", "c3.testrun.org")
NUM_CONNECTIONS=10
conns = []
start = time.time()
for i in range(NUM_CONNECTIONS):
print(f"opening connection {i} to {domain}")
conn = imaplib.IMAP4_SSL(domain)
conns.append(conn)
tlsdone = time.time()
duration = tlsdone-start
print(f"{duration}: TLS connections opening TLS connections")
for i, conn in enumerate(conns):
print(f"logging into connection {i}")
conn.login(f"measure{i}", "pass")
logindone = time.time()
duration = logindone - tlsdone
print(f"{duration}: LOGINS done")

View File

@@ -1,8 +0,0 @@
#!/bin/sh
set -e
: ${CHATMAIL_DOMAIN:=c1.testrun.org}
: ${CHATMAIL_SSH:=$CHATMAIL_DOMAIN}
rsync -avz . "root@$CHATMAIL_SSH:/root/chatmail" --exclude='/.git' --filter="dir-merge,- .gitignore"
ssh "root@$CHATMAIL_SSH" "cd /root/chatmail; apt install -y python3-venv; python3 -m venv venv; venv/bin/pip install pyinfra build; venv/bin/python3 -m build -n --sdist chatmaild --outdir dist; venv/bin/pip install -e ./deploy-chatmail -e ./chatmaild; export CHATMAIL_DOMAIN=$CHATMAIL_DOMAIN; venv/bin/pyinfra @local deploy.py"

View File

@@ -1,3 +0,0 @@
#!/bin/bash
chatmaild/venv/bin/pytest chatmaild/ $@
online-tests/venv/bin/pytest online-tests/ -vrx --durations=5 $@

View File

@@ -2,7 +2,6 @@
Chat Mail pyinfra deploy.
"""
import importlib.resources
from pathlib import Path
from pyinfra import host, logger
from pyinfra.operations import apt, files, server, systemd, python
@@ -10,67 +9,17 @@ from pyinfra.facts.files import File
from .acmetool import deploy_acmetool
def _install_chatmaild() -> None:
chatmaild_filename = "chatmaild-0.1.tar.gz"
chatmaild_path = importlib.resources.files(__package__).joinpath(
f"../../../dist/{chatmaild_filename}"
def _install_chatctl() -> None:
"""Setup chatctl."""
files.put(
src=importlib.resources.files(__package__)
.joinpath("dovecot/doveauth.py")
.open("rb"),
dest="/home/vmail/chatctl",
user="vmail",
group="vmail",
mode="755",
)
remote_path = f"/tmp/{chatmaild_filename}"
if Path(str(chatmaild_path)).exists():
files.put(
name="Upload chatmaild source package",
src=chatmaild_path.open("rb"),
dest=remote_path,
)
apt.packages(
name="apt install python3-aiosmtpd",
packages=["python3-aiosmtpd", "python3-pip"],
)
# --no-deps because aiosmtplib is installed with `apt`.
server.shell(
name="install chatmaild with pip",
commands=[f"pip install --break-system-packages {remote_path}"],
)
files.put(
name="upload doveauth-dictproxy.service",
src=importlib.resources.files("chatmaild")
.joinpath("doveauth-dictproxy.service")
.open("rb"),
dest="/etc/systemd/system/doveauth-dictproxy.service",
user="root",
group="root",
mode="644",
)
systemd.service(
name="Setup doveauth-dictproxy service",
service="doveauth-dictproxy.service",
running=True,
enabled=True,
restarted=True,
daemon_reload=True,
)
files.put(
name="upload filtermail.service",
src=importlib.resources.files("chatmaild")
.joinpath("filtermail.service")
.open("rb"),
dest="/etc/systemd/system/filtermail.service",
user="root",
group="root",
mode="644",
)
systemd.service(
name="Setup filtermail service",
service="filtermail.service",
running=True,
enabled=True,
restarted=True,
daemon_reload=True,
)
def _configure_opendkim(domain: str, dkim_selector: str) -> bool:
@@ -110,7 +59,7 @@ def _configure_opendkim(domain: str, dkim_selector: str) -> bool:
return need_restart
def _configure_postfix(domain: str, debug: bool = False) -> bool:
def _configure_postfix(domain: str) -> bool:
"""Configures Postfix SMTP server."""
need_restart = False
@@ -124,20 +73,21 @@ def _configure_postfix(domain: str, debug: bool = False) -> bool:
)
need_restart |= main_config.changed
master_config = files.template(
src=importlib.resources.files(__package__).joinpath("postfix/master.cf.j2"),
master_config = files.put(
src=importlib.resources.files(__package__)
.joinpath("postfix/master.cf")
.open("rb"),
dest="/etc/postfix/master.cf",
user="root",
group="root",
mode="644",
debug=debug,
)
need_restart |= master_config.changed
return need_restart
def _configure_dovecot(mail_server: str, debug: bool = False) -> bool:
def _configure_dovecot(mail_server: str) -> bool:
"""Configures Dovecot IMAP server."""
need_restart = False
@@ -148,54 +98,18 @@ def _configure_dovecot(mail_server: str, debug: bool = False) -> bool:
group="root",
mode="644",
config={"hostname": mail_server},
debug=debug,
)
need_restart |= main_config.changed
auth_config = files.put(
src=importlib.resources.files(__package__).joinpath("dovecot/auth.conf"),
dest="/etc/dovecot/auth.conf",
user="root",
group="root",
mode="644",
)
need_restart |= auth_config.changed
files.put(
src=importlib.resources.files(__package__)
.joinpath("dovecot/expunge.cron")
.open("rb"),
dest="/etc/cron.d/expunge",
user="root",
group="root",
mode="644",
)
return need_restart
def _configure_nginx(domain: str, debug: bool = False) -> bool:
"""Configures nginx HTTP server."""
need_restart = False
main_config = files.template(
src=importlib.resources.files(__package__).joinpath("nginx.conf.j2"),
dest="/etc/nginx/nginx.conf",
user="root",
group="root",
mode="644",
config={"domain_name": domain},
)
need_restart |= main_config.changed
autoconfig = files.template(
src=importlib.resources.files(__package__).joinpath("autoconfig.xml.j2"),
dest="/var/www/html/.well-known/autoconfig/mail/config-v1.1.xml",
# luarocks install http lpeg_patterns fifo
auth_script = files.put(
src=importlib.resources.files(__package__).joinpath("dovecot/doveauth.lua"),
dest="/etc/dovecot/doveauth.lua",
user="root",
group="root",
mode="644",
config={"domain_name": domain},
)
need_restart |= autoconfig.changed
need_restart |= auth_script.changed
return need_restart
@@ -208,7 +122,7 @@ def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> N
:param dkim_selector:
"""
apt.update(name="apt update", cache_time=24 * 3600)
apt.update(name="apt update")
server.group(name="Create vmail group", group="vmail", system=True)
server.user(name="Create vmail user", user="vmail", group="vmail", system=True)
@@ -221,7 +135,7 @@ def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> N
)
# Deploy acmetool to have TLS certificates.
deploy_acmetool(nginx_hook=True, domains=[mail_server])
deploy_acmetool(domains=[mail_server])
apt.packages(
name="Install Postfix",
@@ -230,7 +144,11 @@ def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> N
apt.packages(
name="Install Dovecot",
packages=["dovecot-imapd", "dovecot-lmtpd"],
packages=[
"dovecot-imapd",
"dovecot-lmtpd",
"dovecot-auth-lua",
],
)
apt.packages(
@@ -241,17 +159,10 @@ def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> N
],
)
apt.packages(
name="Install nginx",
packages=["nginx"],
)
_install_chatmaild()
debug = False
dovecot_need_restart = _configure_dovecot(mail_server, debug=debug)
postfix_need_restart = _configure_postfix(mail_domain, debug=debug)
_install_chatctl()
dovecot_need_restart = _configure_dovecot(mail_server)
postfix_need_restart = _configure_postfix(mail_domain)
opendkim_need_restart = _configure_opendkim(mail_domain, dkim_selector)
nginx_need_restart = _configure_nginx(mail_domain)
systemd.service(
name="Start and enable OpenDKIM",
@@ -277,21 +188,6 @@ def deploy_chatmail(mail_domain: str, mail_server: str, dkim_selector: str) -> N
restarted=dovecot_need_restart,
)
systemd.service(
name="Start and enable nginx",
service="nginx.service",
running=True,
enabled=True,
restarted=nginx_need_restart,
)
# This file is used by auth proxy.
# https://wiki.debian.org/EtcMailName
server.shell(
name="Setup /etc/mailname",
commands=[f"echo {mail_domain} >/etc/mailname; chmod 644 /etc/mailname"],
)
def callback():
result = server.shell(
commands=[

View File

@@ -38,13 +38,22 @@ def deploy_acmetool(nginx_hook=False, email="", domains=[]):
email=email,
)
files.template(
src=importlib.resources.files(__package__).joinpath("target.yaml.j2"),
dest="/var/lib/acme/conf/target",
service_file = files.put(
src=importlib.resources.files(__package__)
.joinpath("acmetool-redirector.service")
.open("rb"),
dest="/etc/systemd/system/acmetool-redirector.service",
user="root",
group="root",
mode="644",
)
systemd.service(
name="Setup acmetool-redirector service",
service="acmetool-redirector.service",
running=True,
enabled=True,
restarted=service_file.changed,
)
for domain in domains:
server.shell(

View File

@@ -0,0 +1,11 @@
[Unit]
Description=acmetool HTTP redirector
[Service]
Type=notify
ExecStart=/usr/bin/acmetool redirector --service.uid=daemon
Restart=always
RestartSec=30
[Install]
WantedBy=multi-user.target

View File

@@ -0,0 +1,57 @@
-- Escape shell argument by hex encoding it and wrapping in quotes.
function escape(data)
b16 = data:gsub(".", function(char) return string.format("%2X", char:byte()) end)
return ("'"..b16.."'")
end
-- call out to python program to actually manage authentication for dovecot
function chatctl_verify(user, password)
local cmd = "python3 /home/vmail/chatctl hexauth "..escape(user).." "..escape(password)
print("executing: "..cmd)
local handle = io.popen(cmd)
local result = handle:read("*a")
handle:close()
return split_chatctl(result)
end
function chatctl_lookup(user)
assert(user)
local handle = io.popen("python3 /home/vmail/chatctl hexlookup "..escape(user))
local result = handle:read("*a")
handle:close()
return split_chatctl(result)
end
function get_extra_dovecot_output(res)
return {home=res.home, uid=res.uid, gid=res.gid}
end
function auth_password_verify(request, password)
local res = chatctl_verify(request.user, password)
-- request:log_error("auth_password_verify "..request.user.." "..password)
if res.status == "ok" then
local extra = get_extra_dovecot_output(res)
return dovecot.auth.PASSDB_RESULT_OK, get_extra_dovecot_output(res)
end
return dovecot.auth.PASSDB_RESULT_PASSWORD_MISMATCH, ""
end
function auth_userdb_lookup(request)
local res = chatctl_lookup(request.user)
if res.status == "ok" then
return dovecot.auth.USERDB_RESULT_OK, get_extra_dovecot_output(res)
end
return dovecot.auth.USERDB_RESULT_USER_UNKNOWN, "no such user"
end
function split_chatctl(output)
local ret = {}
for key, value in output:gmatch "(%w+)%s*=%s*(%w+)" do
ret[key] = value
end
return ret
end

View File

@@ -0,0 +1,57 @@
#!/usr/bin/env python3
import base64
import sys
def get_user_data(user):
if user == "link2xt@c1.testrun.org":
return dict(
uid="vmail",
gid="vmail",
password="Ahyei6ie",
)
return {}
def create_user(user, password):
return dict(home=f"/home/vmail/{user}", uid="vmail", gid="vmail", password=password)
def verify_user(user, password):
userdata = get_user_data(user)
if userdata:
if userdata.get("password") == password:
userdata["status"] = "ok"
else:
userdata["status"] = "fail"
else:
userdata = create_user(user, password)
userdata["status"] = "ok"
return userdata
def lookup_user(user):
userdata = get_user_data(user)
if userdata:
userdata["status"] = "ok"
else:
userdata["status"] = "fail"
return userdata
def dump_result(res):
for key, value in res.items():
print(f"{key}={value}")
if __name__ == "__main__":
if sys.argv[1] == "hexauth":
login = base64.b16decode(sys.argv[2]).decode()
password = base64.b16decode(sys.argv[3]).decode()
res = verify_user(login, password)
dump_result(res)
elif sys.argv[1] == "hexlookup":
login = base64.b16decode(sys.argv[2]).decode()
res = lookup_user(login)
dump_result(res)

View File

@@ -4,33 +4,21 @@ protocols = imap lmtp
auth_mechanisms = plain
{% if debug == true %}
auth_verbose = yes
auth_debug = yes
auth_debug_passwords = yes
auth_verbose_passwords = plain
auth_cache_size = 100M
mail_debug = yes
{% endif %}
mail_plugins = quota
# these are the capabilities Delta Chat cares about actually
# so let's keep the network overhead per login small
# https://github.com/deltachat/deltachat-core-rust/blob/master/src/imap/capabilities.rs
imap_capability = IMAP4rev1 IDLE MOVE QUOTA CONDSTORE
# Authentication for system users.
passdb {
driver = dict
args = /etc/dovecot/auth.conf
driver = lua
args = file=/etc/dovecot/doveauth.lua
}
userdb {
driver = dict
args = /etc/dovecot/auth.conf
driver = lua
args = file=/etc/dovecot/doveauth.lua
}
##
## Mailbox locations and namespaces
##
@@ -72,28 +60,13 @@ mail_privileged_group = vmail
# Enable IMAP COMPRESS (RFC 4978).
# <https://datatracker.ietf.org/doc/html/rfc4978.html>
protocol imap {
mail_plugins = $mail_plugins imap_zlib imap_quota
}
protocol lmtp {
mail_plugins = $mail_plugins quota
mail_plugins = $mail_plugins imap_zlib
}
plugin {
imap_compress_deflate_level = 6
}
plugin {
# for now we define static quota-rules for all users
quota = maildir:User quota
quota_rule = *:storage=100M
quota_max_mail_size=30M
quota_grace = 0
# quota_over_flag_value = TRUE
}
service lmtp {
user=vmail
@@ -115,7 +88,7 @@ service auth {
service auth-worker {
# Default is root.
# Drop privileges we don't need.
user = vmail
user = $default_internal_user
}
ssl = required

View File

@@ -0,0 +1,78 @@
require "doveauth"
-- simulate dovecot defined result codes
dovecot = {
auth = {
PASSDB_RESULT_OK="PASSWORD-OK",
PASSDB_RESULT_PASSWORD_MISMATCH="PASSWORD-MISMATCH",
USERDB_RESULT_OK="USERDB-OK",
USERDB_RESULT_USER_UNKNOWN="USERDB-UNKNOWN"
}
}
-- Tests for testing the lua<->python interaction
function test_password_verify_ok(user, password)
local res, extra = auth_password_verify({user=user}, password)
assert(res==dovecot.auth.PASSDB_RESULT_OK)
assert(extra.uid == "vmail")
assert(extra.gid == "vmail")
-- assert(extra.homedir == "/home/vmail/link2xt")
print("OK test_password_verify_ok "..user.." "..password)
end
function test_password_verify_mismatch(user, password)
local res = auth_password_verify({user=user}, password)
assert(res == dovecot.auth.PASSDB_RESULT_PASSWORD_MISMATCH)
print("OK test_password_verify_mismatch "..user.." "..password)
end
function test_userdb_lookup_ok(user)
local res, extra = auth_userdb_lookup({user=user})
assert(extra.uid == "vmail")
assert(extra.gid == "vmail")
assert(res == dovecot.auth.USERDB_RESULT_OK)
print("OK test_userdb_lookup_ok "..user)
end
function test_userdb_lookup_mismatch(user)
local res, extra = auth_userdb_lookup({user=user})
assert(res == dovecot.auth.USERDB_RESULT_USER_UNKNOWN)
print("OK test_userdb_lookup_mismatch "..user)
end
function test_passdb_lookup_ok(user)
local res, extra = auth_passdb_lookup({user=user})
assert(extra.uid == "vmail")
assert(extra.gid == "vmail")
assert(res == dovecot.auth.PASSDB_RESULT_OK)
print("OK test_passdb_lookup_ok "..user)
end
function test_passdb_lookup_mismatch(user)
local res, extra = auth_passdb_lookup({user=user})
assert(res == dovecot.auth.PASSDB_RESULT_USER_UNKNOWN)
print("OK test_passdb_lookup_mismatch "..user)
end
function test_split_chatctl()
local res = split_chatctl("a=3 b=4\nc=5")
assert(res["a"] == "3")
assert(res["b"] == "4")
assert(res["c"] == "5")
print("OK test_split_chatctl")
end
test_split_chatctl()
test_password_verify_ok("link2xt@c1.testrun.org", "Ahyei6ie")
test_password_verify_mismatch("link2xt@c1.testrun.org", "Aqwlek")
test_userdb_lookup_ok("link2xt@c1.testrun.org")
test_userdb_lookup_mismatch("wlekqjlew@xyz.org")
-- probably not needed by dovecot?
-- test_passdb_lookup_ok("link2xt@c1.testrun.org")
-- test_passdb_lookup_mismatch("llqkwjelqwe@xyz.org")

View File

@@ -0,0 +1,23 @@
import subprocess
import pytest
from doveauth import get_user_data, verify_user
def test_basic():
data = get_user_data("link2xt@c1.testrun.org")
assert data
@pytest.mark.xfail(reason="no persistence yet")
def test_verify_or_create():
res = verify_user("newuser1@something.org", "kajdlkajsldk12l3kj1983")
assert res["status"] == "ok"
res = verify_user("newuser1@something.org", "kajdlqweqwe")
assert res["status"] == "fail"
def test_lua_integration(request):
p = request.fspath.dirpath("test_doveauth.lua")
proc = subprocess.run(["lua", str(p)])
assert proc.returncode == 0

View File

@@ -37,8 +37,6 @@ mydestination =
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
# maximum 30MB sized messages
message_size_limit = 31457280
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all

View File

@@ -9,11 +9,7 @@
# service type private unpriv chroot wakeup maxproc command + args
# (yes) (yes) (no) (never) (100)
# ==========================================================================
{% if debug == true %}
smtp inet n - y - - smtpd -v
{% else %}
smtp inet n - y - - smtpd
{% endif %}
smtp inet n - y - - smtpd
#smtp inet n - y - 1 postscreen
#smtpd pass - - y - - smtpd
#dnsblog unix - - y - 0 dnsblog
@@ -32,7 +28,6 @@ submission inet n - y - - smtpd
-o smtpd_recipient_restrictions=
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o milter_macro_daemon_name=ORIGINATING
-o content_filter=filter:unix:private/filtermail
smtps inet n - y - - smtpd
-o syslog_name=postfix/smtps
-o smtpd_tls_wrappermode=yes
@@ -47,7 +42,6 @@ smtps inet n - y - - smtpd
-o smtpd_recipient_restrictions=
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
-o milter_macro_daemon_name=ORIGINATING
-o content_filter=filter:unix:private/filtermail
#628 inet n - y - - qmqpd
pickup unix n - y 60 1 pickup
cleanup unix n - y - 0 cleanup
@@ -70,11 +64,9 @@ showq unix n - y - - showq
error unix - - y - - error
retry unix - - y - - error
discard unix - - y - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - y - - lmtp
anvil unix - - y - 1 anvil
scache unix - - y - 1 scache
postlog unix-dgram n - n - 1 postlogd
filter unix - n n - - lmtp
# Local SMTP server for reinjecting filered mail.
localhost:10026 inet n - n - 10 smtpd
-o content_filter=

View File

@@ -0,0 +1,28 @@
import pytest
import imaplib
@pytest.fixture
def conn():
return connect("c1.testrun.org")
def login(conn, user, password):
print("trying to login", user, password)
conn.login(user, password)
def connect(host):
print(f"connecting to {host}")
conn = imaplib.IMAP4_SSL(host)
return conn
def test_login_ok(conn):
login(conn, "link2xt@c1.testrun.org", "Ahyei6ie")
def test_login_fail(conn):
with pytest.raises(imaplib.IMAP4.error) as excinfo:
login(conn, "link2xt@c1.testrun.org", "qweqwe")
assert "AUTHENTICATIONFAILED" in str(excinfo)