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merge changes from V55 upstream

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github@kiekerjan.isdronken.nl 2021-10-19 23:07:02 +02:00
parent 4f3f35a10b
commit eeada2b9b5
23 changed files with 439 additions and 238 deletions
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26
CHANGELOG.md
View File

@ -1,6 +1,32 @@
CHANGELOG
=========
Version 55 (October 18, 2021)
-----------------------------
Mail:
* "SMTPUTF8" is now disabled in Postfix. Because Dovecot still does not support SMTPUTF8, incoming mail to internationalized addresses was bouncing. This fixes incoming mail to internationalized domains (which was probably working prior to v0.40), but it will prevent sending outbound mail to addresses with internationalized local-parts.
* Upgraded to Roundcube 1.5.
Control panel:
* The control panel menus are now hidden before login, but now non-admins can log in to access the mail and contacts/calendar instruction pages.
* The login form now disables browser autocomplete in the two-factor authentication code field.
* After logging in, the default page is now a fast-loading welcome page rather than the slow-loading system status checks page.
* The backup retention period option now displays for B2 backup targets.
* The DNSSEC DS record recommendations are cleaned up and now recommend changing records that use SHA1.
* The Munin monitoring pages no longer require a separate HTTP basic authentication login and can be used if two-factor authentication is turned on.
* Control panel logins are now tied to a session backend that allows true logouts (rather than an encrypted cookie).
* Failed logins no longer directly reveal whether the email address corresponds to a user account.
* Browser dark mode now inverts the color scheme.
Other:
* Fail2ban's IPv6 support is enabled.
* The mail log tool now doesn't crash if there are email addresess in log messages with invalid UTF-8 characters.
* Additional nsd.conf files can be placed in /etc/nsd.conf.d.
v0.54 (June 20, 2021)
---------------------

4
README.md
View File

@ -98,6 +98,8 @@ It also includes system management tools:
* A control panel for adding/removing mail users, aliases, custom DNS records, configuring backups, etc.
* An API for all of the actions on the control panel
Internationalized domain names are supported and configured easily (but SMTPUTF8 is not supported, unfortunately).
It also supports static website hosting since the box is serving HTTPS anyway. (To serve a website for your domains elsewhere, just add a custom DNS "A" record in you Mail-in-a-Box's control panel to point domains to another server.)
For more information on how Mail-in-a-Box handles your privacy, see the [security details page](security.md).
@ -114,7 +116,7 @@ Clone this repository and checkout the tag corresponding to the most recent rele
$ git clone https://github.com/mail-in-a-box/mailinabox
$ cd mailinabox
$ git checkout v0.54
$ git checkout v55
Begin the installation.

34
api/mailinabox.yml
View File

@ -54,24 +54,24 @@ tags:
System operations, which include system status checks, new version checks
and reboot status.
paths:
/me:
get:
/login:
post:
tags:
- User
summary: Get user information
summary: Exchange a username and password for a session API key.
description: |
Returns user information. Used for user authentication.
Returns user information and a session API key.
Authenticate a user by supplying the auth token as a base64 encoded string in
format `email:password` using basic authentication headers.
If successful, a long-lived `api_key` is returned which can be used for subsequent
requests to the API.
operationId: getMe
requests to the API in place of the password.
operationId: login
x-codeSamples:
- lang: curl
source: |
curl -X GET "https://{host}/admin/me" \
curl -X GET "https://{host}/admin/login" \
-u "<email>:<password>"
responses:
200:
@ -92,6 +92,24 @@ paths:
privileges:
- admin
status: ok
/logout:
post:
tags:
- User
summary: Invalidates a session API key.
description: |
Invalidates a session API key so that it cannot be used after this API call.
operationId: logout
x-codeSamples:
- lang: curl
source: |
curl -X GET "https://{host}/admin/logout" \
-u "<email>:<session_key>"
responses:
200:
description: Successful operation
content:
application/json:
/system/status:
post:
tags:
@ -1803,7 +1821,7 @@ components:
The `access-token` is comprised of the Base64 encoding of `username:password`.
The `username` is the mail user's email address, and `password` can either be the mail user's
password, or the `api_key` returned from the `getMe` operation.
password, or the `api_key` returned from the `login` operation.
When using `curl`, you can supply user credentials using the `-u` or `--user` parameter.
requestBodies:

196
management/auth.py
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@ -1,6 +1,7 @@
import base64, os, os.path, hmac, json
import base64, os, os.path, hmac, json, secrets
from datetime import timedelta
from flask import make_response
from expiringdict import ExpiringDict
import utils
from mailconfig import get_mail_password, get_mail_user_privileges
@ -9,25 +10,18 @@ from mfa import get_hash_mfa_state, validate_auth_mfa
DEFAULT_KEY_PATH = '/var/lib/mailinabox/api.key'
DEFAULT_AUTH_REALM = 'Mail-in-a-Box Management Server'
class KeyAuthService:
"""Generate an API key for authenticating clients
Clients must read the key from the key file and send the key with all HTTP
requests. The key is passed as the username field in the standard HTTP
Basic Auth header.
"""
class AuthService:
def __init__(self):
self.auth_realm = DEFAULT_AUTH_REALM
self.key = self._generate_key()
self.key_path = DEFAULT_KEY_PATH
self.max_session_duration = timedelta(days=2)
def write_key(self):
"""Write key to file so authorized clients can get the key
self.init_system_api_key()
self.sessions = ExpiringDict(max_len=64, max_age_seconds=self.max_session_duration.total_seconds())
def init_system_api_key(self):
"""Write an API key to a local file so local processes can use the API"""
The key file is created with mode 0640 so that additional users can be
authorized to access the API by granting group/ACL read permissions on
the key file.
"""
def create_file_with_mode(path, mode):
# Based on answer by A-B-B: http://stackoverflow.com/a/15015748
old_umask = os.umask(0)
@ -36,123 +30,137 @@ class KeyAuthService:
finally:
os.umask(old_umask)
self.key = secrets.token_hex(32)
os.makedirs(os.path.dirname(self.key_path), exist_ok=True)
with create_file_with_mode(self.key_path, 0o640) as key_file:
key_file.write(self.key + '\n')
def authenticate(self, request, env):
"""Test if the client key passed in HTTP Authorization header matches the service key
or if the or username/password passed in the header matches an administrator user.
def authenticate(self, request, env, login_only=False, logout=False):
"""Test if the HTTP Authorization header's username matches the system key, a session key,
or if the username/password passed in the header matches a local user.
Returns a tuple of the user's email address and list of user privileges (e.g.
('my@email', []) or ('my@email', ['admin']); raises a ValueError on login failure.
If the user used an API key, the user's email is returned as None."""
If the user used the system API key, the user's email is returned as None since
this key is not associated with a user."""
def decode(s):
return base64.b64decode(s.encode('ascii')).decode('ascii')
def parse_basic_auth(header):
def parse_http_authorization_basic(header):
def decode(s):
return base64.b64decode(s.encode('ascii')).decode('ascii')
if " " not in header:
return None, None
scheme, credentials = header.split(maxsplit=1)
if scheme != 'Basic':
return None, None
credentials = decode(credentials)
if ":" not in credentials:
return None, None
username, password = credentials.split(':', maxsplit=1)
return username, password
header = request.headers.get('Authorization')
if not header:
raise ValueError("No authorization header provided.")
username, password = parse_basic_auth(header)
username, password = parse_http_authorization_basic(request.headers.get('Authorization', ''))
if username in (None, ""):
raise ValueError("Authorization header invalid.")
elif username == self.key:
# The user passed the master API key which grants administrative privs.
if username.strip() == "" and password.strip() == "":
raise ValueError("No email address, password, session key, or API key provided.")
# If user passed the system API key, grant administrative privs. This key
# is not associated with a user.
if username == self.key and not login_only:
return (None, ["admin"])
# If the password corresponds with a session token for the user, grant access for that user.
if self.get_session(username, password, "login", env) and not login_only:
sessionid = password
session = self.sessions[sessionid]
if logout:
# Clear the session.
del self.sessions[sessionid]
else:
# Re-up the session so that it does not expire.
self.sessions[sessionid] = session
# If no password was given, but a username was given, we're missing some information.
elif password.strip() == "":
raise ValueError("Enter a password.")
else:
# The user is trying to log in with a username and either a password
# (and possibly a MFA token) or a user-specific API key.
return (username, self.check_user_auth(username, password, request, env))
# The user is trying to log in with a username and a password
# (and possibly a MFA token). On failure, an exception is raised.
self.check_user_auth(username, password, request, env)
# Get privileges for authorization. This call should never fail because by this
# point we know the email address is a valid user --- unless the user has been
# deleted after the session was granted. On error the call will return a tuple
# of an error message and an HTTP status code.
privs = get_mail_user_privileges(username, env)
if isinstance(privs, tuple): raise ValueError(privs[0])
# Return the authorization information.
return (username, privs)
def check_user_auth(self, email, pw, request, env):
# Validate a user's login email address and password. If MFA is enabled,
# check the MFA token in the X-Auth-Token header.
#
# On success returns a list of privileges (e.g. [] or ['admin']). On login
# failure, raises a ValueError with a login error message.
# On login failure, raises a ValueError with a login error message. On
# success, nothing is returned.
# Sanity check.
if email == "" or pw == "":
raise ValueError("Enter an email address and password.")
# The password might be a user-specific API key. create_user_key raises
# a ValueError if the user does not exist.
if hmac.compare_digest(self.create_user_key(email, env), pw):
# OK.
pass
else:
# Authenticate.
try:
# Get the hashed password of the user. Raise a ValueError if the
# email address does not correspond to a user.
# email address does not correspond to a user. But wrap it in the
# same exception as if a password fails so we don't easily reveal
# if an email address is valid.
pw_hash = get_mail_password(email, env)
# Authenticate.
try:
# Use 'doveadm pw' to check credentials. doveadm will return
# a non-zero exit status if the credentials are no good,
# and check_call will raise an exception in that case.
utils.shell('check_call', [
"/usr/bin/doveadm", "pw",
"-p", pw,
"-t", pw_hash,
])
except:
# Login failed.
raise ValueError("Invalid password.")
# Use 'doveadm pw' to check credentials. doveadm will return
# a non-zero exit status if the credentials are no good,
# and check_call will raise an exception in that case.
utils.shell('check_call', [
"/usr/bin/doveadm", "pw",
"-p", pw,
"-t", pw_hash,
])
except:
# Login failed.
raise ValueError("Incorrect email address or password.")
# If MFA is enabled, check that MFA passes.
status, hints = validate_auth_mfa(email, request, env)
if not status:
# Login valid. Hints may have more info.
raise ValueError(",".join(hints))
# If MFA is enabled, check that MFA passes.
status, hints = validate_auth_mfa(email, request, env)
if not status:
# Login valid. Hints may have more info.
raise ValueError(",".join(hints))
# Get privileges for authorization. This call should never fail because by this
# point we know the email address is a valid user. But on error the call will
# return a tuple of an error message and an HTTP status code.
privs = get_mail_user_privileges(email, env)
if isinstance(privs, tuple): raise ValueError(privs[0])
# Return a list of privileges.
return privs
def create_user_key(self, email, env):
# Create a user API key, which is a shared secret that we can re-generate from
# static information in our database. The shared secret contains the user's
# email address, current hashed password, and current MFA state, so that the
# key becomes invalid if any of that information changes.
#
# Use an HMAC to generate the API key using our master API key as a key,
# which also means that the API key becomes invalid when our master API key
# changes --- i.e. when this process is restarted.
#
# Raises ValueError via get_mail_password if the user doesn't exist.
# Construct the HMAC message from the user's email address and current password.
msg = b"AUTH:" + email.encode("utf8") + b" " + get_mail_password(email, env).encode("utf8")
def create_user_password_state_token(self, email, env):
# Create a token that changes if the user's password or MFA options change
# so that sessions become invalid if any of that information changes.
msg = get_mail_password(email, env).encode("utf8")
# Add to the message the current MFA state, which is a list of MFA information.
# Turn it into a string stably.
msg += b" " + json.dumps(get_hash_mfa_state(email, env), sort_keys=True).encode("utf8")
# Make the HMAC.
# Make a HMAC using the system API key as a hash key.
hash_key = self.key.encode('ascii')
return hmac.new(hash_key, msg, digestmod="sha256").hexdigest()
def _generate_key(self):
raw_key = os.urandom(32)
return base64.b64encode(raw_key).decode('ascii')
def create_session_key(self, username, env, type=None):
# Create a new session.
token = secrets.token_hex(32)
self.sessions[token] = {
"email": username,
"password_token": self.create_user_password_state_token(username, env),
"type": type,
}
return token
def get_session(self, user_email, session_key, session_type, env):
if session_key not in self.sessions: return None
session = self.sessions[session_key]
if session_type == "login" and session["email"] != user_email: return None
if session["type"] != session_type: return None
if session["password_token"] != self.create_user_password_state_token(session["email"], env): return None
return session

99
management/daemon.py
View File

@ -1,5 +1,8 @@
#!/usr/local/lib/mailinabox/env/bin/python3
#
# The API can be accessed on the command line, e.g. use `curl` like so:
# curl --user $(</var/lib/mailinabox/api.key): http://localhost:10222/mail/users
#
# During development, you can start the Mail-in-a-Box control panel
# by running this script, e.g.:
#
@ -22,7 +25,7 @@ from mfa import get_public_mfa_state, provision_totp, validate_totp_secret, enab
env = utils.load_environment()
auth_service = auth.KeyAuthService()
auth_service = auth.AuthService()
# We may deploy via a symbolic link, which confuses flask's template finding.
me = __file__
@ -53,8 +56,10 @@ def authorized_personnel_only(viewfunc):
try:
email, privs = auth_service.authenticate(request, env)
except ValueError as e:
# Write a line in the log recording the failed login
log_failed_login(request)
# Write a line in the log recording the failed login, unless no authorization header
# was given which can happen on an initial request before a 403 response.
if "Authorization" in request.headers:
log_failed_login(request)
# Authentication failed.
error = str(e)
@ -131,11 +136,12 @@ def index():
csr_country_codes=csr_country_codes,
)
@app.route('/me')
def me():
# Create a session key by checking the username/password in the Authorization header.
@app.route('/login', methods=["POST"])
def login():
# Is the caller authorized?
try:
email, privs = auth_service.authenticate(request, env)
email, privs = auth_service.authenticate(request, env, login_only=True)
except ValueError as e:
if "missing-totp-token" in str(e):
return json_response({
@ -150,19 +156,29 @@ def me():
"reason": str(e),
})
# Return a new session for the user.
resp = {
"status": "ok",
"email": email,
"privileges": privs,
"api_key": auth_service.create_session_key(email, env, type='login'),
}
# Is authorized as admin? Return an API key for future use.
if "admin" in privs:
resp["api_key"] = auth_service.create_user_key(email, env)
app.logger.info("New login session created for {}".format(email))
# Return.
return json_response(resp)
@app.route('/logout', methods=["POST"])
def logout():
try:
email, _ = auth_service.authenticate(request, env, logout=True)
app.logger.info("{} logged out".format(email))
except ValueError as e:
pass
finally:
return json_response({ "status": "ok" })
# MAIL
@app.route('/mail/users')
@ -219,7 +235,7 @@ def mail_aliases():
if request.args.get("format", "") == "json":
return json_response(get_mail_aliases_ex(env))
else:
return "".join(address+"\t"+receivers+"\t"+(senders or "")+"\n" for address, receivers, senders in get_mail_aliases(env))
return "".join(address+"\t"+receivers+"\t"+(senders or "")+"\n" for address, receivers, senders, auto in get_mail_aliases(env))
@app.route('/mail/aliases/add', methods=['POST'])
@authorized_personnel_only
@ -512,10 +528,7 @@ def web_get_domains():
@authorized_personnel_only
def web_update():
from web_update import do_web_update
try:
return do_web_update(env)
except Exception as e:
return (str(e), 500)
return do_web_update(env)
# System
@ -641,16 +654,42 @@ def privacy_status_set():
# MUNIN
@app.route('/munin/')
@app.route('/munin/<path:filename>')
@authorized_personnel_only
def munin(filename=""):
# Checks administrative access (@authorized_personnel_only) and then just proxies
# the request to static files.
def munin_start():
# Munin pages, static images, and dynamically generated images are served
# outside of the AJAX API. We'll start with a 'start' API that sets a cookie
# that subsequent requests will read for authorization. (We don't use cookies
# for the API to avoid CSRF vulnerabilities.)
response = make_response("OK")
response.set_cookie("session", auth_service.create_session_key(request.user_email, env, type='cookie'),
max_age=60*30, secure=True, httponly=True, samesite="Strict") # 30 minute duration
return response
def check_request_cookie_for_admin_access():
session = auth_service.get_session(None, request.cookies.get("session", ""), "cookie", env)
if not session: return False
privs = get_mail_user_privileges(session["email"], env)
if not isinstance(privs, list): return False
if "admin" not in privs: return False
return True
def authorized_personnel_only_via_cookie(f):
@wraps(f)
def g(*args, **kwargs):
if not check_request_cookie_for_admin_access():
return Response("Unauthorized", status=403, mimetype='text/plain', headers={})
return f(*args, **kwargs)
return g
@app.route('/munin/<path:filename>')
@authorized_personnel_only_via_cookie
def munin_static_file(filename=""):
# Proxy the request to static files.
if filename == "": filename = "index.html"
return send_from_directory("/var/cache/munin/www", filename)
@app.route('/munin/cgi-graph/<path:filename>')
@authorized_personnel_only
@authorized_personnel_only_via_cookie
def munin_cgi(filename):
""" Relay munin cgi dynazoom requests
/usr/lib/munin/cgi/munin-cgi-graph is a perl cgi script in the munin package
@ -727,30 +766,10 @@ if __name__ == '__main__':
# Turn on Flask debugging.
app.debug = True
# Use a stable-ish master API key so that login sessions don't restart on each run.
# Use /etc/machine-id to seed the key with a stable secret, but add something
# and hash it to prevent possibly exposing the machine id, using the time so that
# the key is not valid indefinitely.
import hashlib
with open("/etc/machine-id") as f:
api_key = f.read()
api_key += "|" + str(int(time.time() / (60*60*2)))
hasher = hashlib.sha1()
hasher.update(api_key.encode("ascii"))
auth_service.key = hasher.hexdigest()
if "APIKEY" in os.environ: auth_service.key = os.environ["APIKEY"]
if not app.debug:
app.logger.addHandler(utils.create_syslog_handler())
# For testing on the command line, you can use `curl` like so:
# curl --user $(</var/lib/mailinabox/api.key): http://localhost:10222/mail/users
auth_service.write_key()
# For testing in the browser, you can copy the API key that's output to the
# debug console and enter that as the username
app.logger.info('API key: ' + auth_service.key)
#app.logger.info('API key: ' + auth_service.key)
# Start the application server. Listens on 127.0.0.1 (IPv4 only).
app.run(port=10222)

2
management/dns_update.py
View File

@ -670,7 +670,7 @@ def get_dns_zonefile(zone, env):
def write_nsd_conf(zonefiles, additional_records, env):
# Write the list of zones to a configuration file.
nsd_conf_file = "/etc/nsd/zones.conf"
nsd_conf_file = "/etc/nsd/nsd.conf.d/zones.conf"
nsdconf = ""
# Append the zones.

78
management/mailconfig.py
View File

@ -16,8 +16,8 @@ import idna
def validate_email(email, mode=None):
# Checks that an email address is syntactically valid. Returns True/False.
# Until Postfix supports SMTPUTF8, an email address may contain ASCII
# characters only; IDNs must be IDNA-encoded.
# An email address may contain ASCII characters only because Dovecot's
# authentication mechanism gets confused with other character encodings.
#
# When mode=="user", we're checking that this can be a user account name.
# Dovecot has tighter restrictions - letters, numbers, underscore, and
@ -186,9 +186,9 @@ def get_admins(env):
return users
def get_mail_aliases(env):
# Returns a sorted list of tuples of (address, forward-tos, permitted-senders).
# Returns a sorted list of tuples of (address, forward-tos, permitted-senders, auto).
c = open_database(env)
c.execute('SELECT source, destination, permitted_senders FROM aliases')
c.execute('SELECT source, destination, permitted_senders, 0 as auto FROM aliases UNION SELECT source, destination, permitted_senders, 1 as auto FROM auto_aliases')
aliases = { row[0]: row for row in c.fetchall() } # make dict
# put in a canonical order: sort by domain, then by email address lexicographically
@ -208,7 +208,7 @@ def get_mail_aliases_ex(env):
# address_display: "name@domain.tld", # full Unicode
# forwards_to: ["user1@domain.com", "receiver-only1@domain.com", ...],
# permitted_senders: ["user1@domain.com", "sender-only1@domain.com", ...] OR null,
# required: True|False
# auto: True|False
# },
# ...
# ]
@ -216,12 +216,13 @@ def get_mail_aliases_ex(env):
# ...
# ]
required_aliases = get_required_aliases(env)
domains = {}
for address, forwards_to, permitted_senders in get_mail_aliases(env):
for address, forwards_to, permitted_senders, auto in get_mail_aliases(env):
# skip auto domain maps since these are not informative in the control panel's aliases list
if auto and address.startswith("@"): continue
# get alias info
domain = get_domain(address)
required = (address in required_aliases)
# add to list
if not domain in domains:
@ -234,7 +235,7 @@ def get_mail_aliases_ex(env):
"address_display": prettify_idn_email_address(address),
"forwards_to": [prettify_idn_email_address(r.strip()) for r in forwards_to.split(",")],
"permitted_senders": [prettify_idn_email_address(s.strip()) for s in permitted_senders.split(",")] if permitted_senders is not None else None,
"required": required,
"auto": bool(auto),
})
# Sort domains.
@ -242,7 +243,7 @@ def get_mail_aliases_ex(env):
# Sort aliases within each domain first by required-ness then lexicographically by address.
for domain in domains:
domain["aliases"].sort(key = lambda alias : (alias["required"], alias["address"]))
domain["aliases"].sort(key = lambda alias : (alias["auto"], alias["address"]))
return domains
def get_domain(emailaddr, as_unicode=True):
@ -261,11 +262,12 @@ def get_domain(emailaddr, as_unicode=True):
def get_mail_domains(env, filter_aliases=lambda alias : True, users_only=False):
# Returns the domain names (IDNA-encoded) of all of the email addresses
# configured on the system. If users_only is True, only return domains
# with email addresses that correspond to user accounts.
# with email addresses that correspond to user accounts. Exclude Unicode
# forms of domain names listed in the automatic aliases table.
domains = []
domains.extend([get_domain(login, as_unicode=False) for login in get_mail_users(env)])
if not users_only:
domains.extend([get_domain(address, as_unicode=False) for address, *_ in get_mail_aliases(env) if filter_aliases(address) ])
domains.extend([get_domain(address, as_unicode=False) for address, _, _, auto in get_mail_aliases(env) if filter_aliases(address) and not auto ])
return set(domains)
def add_mail_user(email, pw, privs, env):
@ -512,6 +514,13 @@ def remove_mail_alias(address, env, do_kick=True):
# Update things in case any domains are removed.
return kick(env, "alias removed")
def add_auto_aliases(aliases, env):
conn, c = open_database(env, with_connection=True)
c.execute("DELETE FROM auto_aliases");
for source, destination in aliases.items():
c.execute("INSERT INTO auto_aliases (source, destination) VALUES (?, ?)", (source, destination))
conn.commit()
def get_system_administrator(env):
return "administrator@" + env['PRIMARY_HOSTNAME']
@ -558,39 +567,34 @@ def kick(env, mail_result=None):
if mail_result is not None:
results.append(mail_result + "\n")
# Ensure every required alias exists.
auto_aliases = { }
existing_users = get_mail_users(env)
existing_alias_records = get_mail_aliases(env)
existing_aliases = set(a for a, *_ in existing_alias_records) # just first entry in tuple
# Map required aliases to the administrator alias (which should be created manually).
administrator = get_system_administrator(env)
required_aliases = get_required_aliases(env)
for alias in required_aliases:
if alias == administrator: continue # don't make an alias from the administrator to itself --- this alias must be created manually
auto_aliases[alias] = administrator
def ensure_admin_alias_exists(address):
# If a user account exists with that address, we're good.
if address in existing_users:
return
# Add domain maps from Unicode forms of IDNA domains to the ASCII forms stored in the alias table.
for domain in get_mail_domains(env):
try:
domain_unicode = idna.decode(domain.encode("ascii"))
if domain == domain_unicode: continue # not an IDNA/Unicode domain
auto_aliases["@" + domain_unicode] = "@" + domain
except (ValueError, UnicodeError, idna.IDNAError):
continue
# If the alias already exists, we're good.
if address in existing_aliases:
return
add_auto_aliases(auto_aliases, env)
# Doesn't exist.
administrator = get_system_administrator(env)
if address == administrator: return # don't make an alias from the administrator to itself --- this alias must be created manually
add_mail_alias(address, administrator, "", env, do_kick=False)
if administrator not in existing_aliases: return # don't report the alias in output if the administrator alias isn't in yet -- this is a hack to supress confusing output on initial setup
results.append("added alias %s (=> %s)\n" % (address, administrator))
for address in required_aliases:
ensure_admin_alias_exists(address)
# Remove auto-generated postmaster/admin on domains we no
# longer have any other email addresses for.
for address, forwards_to, *_ in existing_alias_records:
# Remove auto-generated postmaster/admin/abuse alises from the main aliases table.
# They are now stored in the auto_aliases table.
for address, forwards_to, permitted_senders, auto in get_mail_aliases(env):
user, domain = address.split("@")
if user in ("postmaster", "admin", "abuse") \
and address not in required_aliases \
and forwards_to == get_system_administrator(env):
and forwards_to == get_system_administrator(env) \
and not auto:
remove_mail_alias(address, env, do_kick=False)
results.append("removed alias %s (was to %s; domain no longer used for email)\n" % (address, forwards_to))

2
management/status_checks.py
View File

@ -663,7 +663,7 @@ def check_dnssec(domain, env, output, dns_zonefiles, is_checking_primary=False):
output.print_line("Option " + str(i+1) + ":")
output.print_line("----------")
output.print_line("Key Tag: " + ds_suggestion['keytag'])
output.print_line("Key Flags: KSK")
output.print_line("Key Flags: KSK (256)")
output.print_line("Algorithm: %s / %s" % (ds_suggestion['alg'], ds_suggestion['alg_name']))
output.print_line("Digest Type: %s / %s" % (ds_suggestion['digalg'], ds_suggestion['digalg_name']))
output.print_line("Digest: " + ds_suggestion['digest'])

4
management/templates/aliases.html
View File

@ -1,6 +1,6 @@
<style>
#alias_table .actions > * { padding-right: 3px; }
#alias_table .alias-required .remove { display: none }
#alias_table .alias-auto .actions > * { display: none }
</style>
<h2>Aliases</h2>
@ -163,7 +163,7 @@ function show_aliases() {
var n = $("#alias-template").clone();
n.attr('id', '');
if (alias.required) n.addClass('alias-required');
if (alias.auto) n.addClass('alias-auto');
n.attr('data-address', alias.address_display); // this is decoded from IDNA, but will get re-coded to IDNA on the backend
n.find('td.address').text(alias.address_display)
for (var j = 0; j < alias.forwards_to.length; j++)

2
management/templates/external-dns.html
View File

@ -38,7 +38,7 @@
<p class="alert" role="alert">
<span class="glyphicon glyphicon-info-sign"></span>
You may encounter zone file errors when attempting to create a TXT record with a long string.
<a href="http://tools.ietf.org/html/rfc4408#section-3.1.3">RFC 4408</a> states a TXT record is allowed to contain multiple strings, and this technique can be used to construct records that would exceed the 255-byte maximum length.
<a href="https://tools.ietf.org/html/rfc4408#section-3.1.3">RFC 4408</a> states a TXT record is allowed to contain multiple strings, and this technique can be used to construct records that would exceed the 255-byte maximum length.
You may need to adopt this technique when adding DomainKeys. Use a tool like <code>named-checkzone</code> to validate your zone file.
</p>

109
management/templates/index.html
View File

@ -62,6 +62,37 @@
ol li {
margin-bottom: 1em;
}
.if-logged-in { display: none; }
.if-logged-in-admin { display: none; }
/* The below only gets used if it is supported */
@media (prefers-color-scheme: dark) {
/* Invert invert lightness but not hue */
html {
filter: invert(100%) hue-rotate(180deg);
}
/* Set explicit background color (necessary for Firefox) */
html {
background-color: #111;
}
/* Override Boostrap theme here to give more contrast. The black turns to white by the filter. */
.form-control {
color: black !important;
}
/* Revert the invert for the navbar */
button, div.navbar {
filter: invert(100%) hue-rotate(180deg);
}
/* Revert the revert for the dropdowns */
ul.dropdown-menu {
filter: invert(100%) hue-rotate(180deg);
}
}
</style>
<link rel="stylesheet" href="/admin/assets/bootstrap/css/bootstrap-theme.min.css">
</head>
@ -83,7 +114,7 @@
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li class="dropdown admin-links">
<li class="dropdown if-logged-in-admin">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">System <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="#system_status" onclick="return show_panel(this);">Status Checks</a></li>
@ -93,31 +124,36 @@
<li class="dropdown-header">Advanced Pages</li>
<li><a href="#custom_dns" onclick="return show_panel(this);">Custom DNS</a></li>
<li><a href="#external_dns" onclick="return show_panel(this);">External DNS</a></li>
<li><a href="/admin/munin" target="_blank">Munin Monitoring</a></li>
<li><a href="#munin" onclick="return show_panel(this);">Munin Monitoring</a></li>
</ul>
</li>
<li class="dropdown">
<li><a href="#mail-guide" onclick="return show_panel(this);" class="if-logged-in-not-admin">Mail</a></li>
<li class="dropdown if-logged-in-admin">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Mail &amp; Users <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="#mail-guide" onclick="return show_panel(this);">Instructions</a></li>
<li class="admin-links"><a href="#users" onclick="return show_panel(this);">Users</a></li>
<li class="admin-links"><a href="#aliases" onclick="return show_panel(this);">Aliases</a></li>
<li class="divider admin-links"></li>
<li class="dropdown-header admin-links">Your Account</li>
<li class="admin-links"><a href="#mfa" onclick="return show_panel(this);">Two-Factor Authentication</a></li>
<li><a href="#users" onclick="return show_panel(this);">Users</a></li>
<li><a href="#aliases" onclick="return show_panel(this);">Aliases</a></li>
<li class="divider"></li>
<li class="dropdown-header">Your Account</li>
<li><a href="#mfa" onclick="return show_panel(this);">Two-Factor Authentication</a></li>
</ul>
</li>
<li><a href="#sync_guide" onclick="return show_panel(this);">Contacts/Calendar</a></li>
<li class="admin-links"><a href="#web" onclick="return show_panel(this);">Web</a></li>
<li><a href="#sync_guide" onclick="return show_panel(this);" class="if-logged-in">Contacts/Calendar</a></li>
<li><a href="#web" onclick="return show_panel(this);" class="if-logged-in-admin">Web</a></li>
</ul>
<ul class="admin-links nav navbar-nav navbar-right">
<li><a href="#" onclick="do_logout(); return false;" style="color: white">Log out</a></li>
<ul class="nav navbar-nav navbar-right">
<li class="if-logged-in"><a href="#" onclick="do_logout(); return false;" style="color: white">Log out</a></li>
</ul>
</div><!--/.navbar-collapse -->
</div>
</div>
<div class="container">
<div id="panel_welcome" class="admin_panel">
{% include "welcome.html" %}
</div>
<div id="panel_system_status" class="admin_panel">
{% include "system-status.html" %}
</div>
@ -166,6 +202,10 @@
{% include "ssl.html" %}
</div>
<div id="panel_munin" class="admin_panel">
{% include "munin.html" %}
</div>
<hr>
<footer>
@ -298,7 +338,7 @@ function ajax_with_indicator(options) {
return false; // handy when called from onclick
}
var api_credentials = ["", ""];
var api_credentials = null;
function api(url, method, data, callback, callback_error, headers) {
// from http://www.webtoolkit.info/javascript-base64.html
function base64encode(input) {
@ -346,9 +386,10 @@ function api(url, method, data, callback, callback_error, headers) {
// We don't store user credentials in a cookie to avoid the hassle of CSRF
// attacks. The Authorization header only gets set in our AJAX calls triggered
// by user actions.
xhr.setRequestHeader(
'Authorization',
'Basic ' + base64encode(api_credentials[0] + ':' + api_credentials[1]));
if (api_credentials)
xhr.setRequestHeader(
'Authorization',
'Basic ' + base64encode(api_credentials.username + ':' + api_credentials.session_key));
},
success: callback,
error: callback_error || default_error,
@ -367,12 +408,21 @@ var current_panel = null;
var switch_back_to_panel = null;
function do_logout() {
api_credentials = ["", ""];
// Clear the session from the backend.
api("/logout", "POST");
// Forget the token.
api_credentials = null;
if (typeof localStorage != 'undefined')
localStorage.removeItem("miab-cp-credentials");
if (typeof sessionStorage != 'undefined')
sessionStorage.removeItem("miab-cp-credentials");
// Return to the start.
show_panel('login');
// Reset menus.
show_hide_menus();
}
function show_panel(panelid) {
@ -395,21 +445,22 @@ function show_panel(panelid) {
$(function() {
// Recall saved user credentials.
if (typeof sessionStorage != 'undefined' && sessionStorage.getItem("miab-cp-credentials"))
api_credentials = sessionStorage.getItem("miab-cp-credentials").split(":");
else if (typeof localStorage != 'undefined' && localStorage.getItem("miab-cp-credentials"))
api_credentials = localStorage.getItem("miab-cp-credentials").split(":");
try {
if (typeof sessionStorage != 'undefined' && sessionStorage.getItem("miab-cp-credentials"))
api_credentials = JSON.parse(sessionStorage.getItem("miab-cp-credentials"));
else if (typeof localStorage != 'undefined' && localStorage.getItem("miab-cp-credentials"))
api_credentials = JSON.parse(localStorage.getItem("miab-cp-credentials"));
} catch (_) {
}
// Toggle menu state.
show_hide_menus();
if (!api_credentials[0] && !api_credentials[1]) {
$('.admin-links').hide()
}
else {
$('.admin-links').show()
}
// Recall what the user was last looking at.
if (typeof localStorage != 'undefined' && localStorage.getItem("miab-cp-lastpanel")) {
if (api_credentials != null && typeof localStorage != 'undefined' && localStorage.getItem("miab-cp-lastpanel")) {
show_panel(localStorage.getItem("miab-cp-lastpanel"));
} else if (api_credentials != null) {
show_panel('welcome');
} else {
show_panel('login');
}

34
management/templates/login.html
View File

@ -102,11 +102,11 @@ function do_login() {
}
// Exchange the email address & password for an API key.
api_credentials = [$('#loginEmail').val(), $('#loginPassword').val()]
api_credentials = { username: $('#loginEmail').val(), session_key: $('#loginPassword').val() }
api(
"/me",
"GET",
"/login",
"POST",
{},
function(response) {
// This API call always succeeds. It returns a JSON object indicating
@ -141,7 +141,9 @@ function do_login() {
// Login succeeded.
// Save the new credentials.
api_credentials = [response.email, response.api_key];
api_credentials = { username: response.email,
session_key: response.api_key,
privileges: response.privileges };
// Try to wipe the username/password information.
$('#loginEmail').val('');
@ -152,18 +154,21 @@ function do_login() {
// Remember the credentials.
if (typeof localStorage != 'undefined' && typeof sessionStorage != 'undefined') {
if ($('#loginRemember').val()) {
localStorage.setItem("miab-cp-credentials", api_credentials.join(":"));
localStorage.setItem("miab-cp-credentials", JSON.stringify(api_credentials));
sessionStorage.removeItem("miab-cp-credentials");
} else {
localStorage.removeItem("miab-cp-credentials");
sessionStorage.setItem("miab-cp-credentials", api_credentials.join(":"));
sessionStorage.setItem("miab-cp-credentials", JSON.stringify(api_credentials));
}
}
// Toggle menus.
show_hide_menus();
// Open the next panel the user wants to go to. Do this after the XHR response
// is over so that we don't start a new XHR request while this one is finishing,
// which confuses the loading indicator.
setTimeout(function() { show_panel(!switch_back_to_panel || switch_back_to_panel == "login" ? 'system_status' : switch_back_to_panel) }, 300);
setTimeout(function() { show_panel(!switch_back_to_panel || switch_back_to_panel == "login" ? 'welcome' : switch_back_to_panel) }, 300);
}
},
undefined,
@ -183,4 +188,19 @@ function show_login() {
}
});
}
function show_hide_menus() {
var is_logged_in = (api_credentials != null);
var privs = api_credentials ? api_credentials.privileges : [];
$('.if-logged-in').toggle(is_logged_in);
$('.if-logged-in-admin, .if-logged-in-not-admin').toggle(false);
if (is_logged_in) {
$('.if-logged-in-not-admin').toggle(true);
privs.forEach(function(priv) {
$('.if-logged-in-' + priv).toggle(true);
$('.if-logged-in-not-' + priv).toggle(false);
});
}
$('.if-not-logged-in').toggle(!is_logged_in);
}
</script>

20
management/templates/munin.html Normal file
View File

@ -0,0 +1,20 @@
<h2>Munin Monitoring</h2>
<style>
</style>
<p>Opening munin in a new tab... You may need to allow pop-ups for this site.</p>
<script>
function show_munin() {
// Set the cookie.
api(
"/munin",
"GET",
{ },
function(r) {
// Redirect.
window.open("/admin/munin/index.html", "_blank");
});
}
</script>

6
management/templates/sync-guide.html
View File

@ -30,9 +30,9 @@
<table class="table">
<thead><tr><th>For...</th> <th>Use...</th></tr></thead>
<tr><td>Contacts and Calendar</td> <td><a href="https://play.google.com/store/apps/details?id=at.bitfire.davdroid">DAVdroid</a> ($3.69; free <a href="https://f-droid.org/packages/at.bitfire.davdroid/">here</a>)</td></tr>
<tr><td>Only Contacts</td> <td><a href="https://play.google.com/store/apps/details?id=org.dmfs.carddav.sync">CardDAV-Sync free beta</a> (free)</td></tr>
<tr><td>Only Calendar</td> <td><a href="https://play.google.com/store/apps/details?id=org.dmfs.caldav.lib">CalDAV-Sync</a> ($2.89)</td></tr>
<tr><td>Contacts and Calendar</td> <td><a href="https://play.google.com/store/apps/details?id=at.bitfire.davdroid">DAVx⁵</a> ($5.99; free <a href="https://f-droid.org/packages/at.bitfire.davdroid/">here</a>)</td></tr>
<tr><td>Only Contacts</td> <td><a href="https://play.google.com/store/apps/details?id=org.dmfs.carddav.sync">CardDAV-Sync free</a> (free)</td></tr>
<tr><td>Only Calendar</td> <td><a href="https://play.google.com/store/apps/details?id=org.dmfs.caldav.lib">CalDAV-Sync</a> ($2.99)</td></tr>
</table>
<p>Use the following settings:</p>

6
management/templates/users.html
View File

@ -203,7 +203,7 @@ function users_set_password(elem) {
var email = $(elem).parents('tr').attr('data-email');
var yourpw = "";
if (api_credentials != null && email == api_credentials[0])
if (api_credentials != null && email == api_credentials.username)
yourpw = "<p class='text-danger'>If you change your own password, you will be logged out of this control panel and will need to log in again.</p>";
show_modal_confirm(
@ -232,7 +232,7 @@ function users_remove(elem) {
var email = $(elem).parents('tr').attr('data-email');
// can't remove yourself
if (api_credentials != null && email == api_credentials[0]) {
if (api_credentials != null && email == api_credentials.username) {
show_modal_error("Archive User", "You cannot archive your own account.");
return;
}
@ -264,7 +264,7 @@ function mod_priv(elem, add_remove) {
var priv = $(elem).parents('td').find('.name').text();
// can't remove your own admin access
if (priv == "admin" && add_remove == "remove" && api_credentials != null && email == api_credentials[0]) {
if (priv == "admin" && add_remove == "remove" && api_credentials != null && email == api_credentials.username) {
show_modal_error("Modify Privileges", "You cannot remove the admin privilege from yourself.");
return;
}

16
management/templates/welcome.html Normal file
View File

@ -0,0 +1,16 @@
<style>
.title {
margin: 1em;
text-align: center;
}
.subtitle {
margin: 2em;
text-align: center;
}
</style>
<h1 class="title">{{hostname}}</h1>
<p class="subtitle">Welcome to your Mail-in-a-Box control panel.</p>

4
setup/bootstrap.sh
View File

@ -20,11 +20,11 @@ if [ -z "$TAG" ]; then
# want to display in status checks.
if [ "`lsb_release -d | sed 's/.*:\s*//' | sed 's/20\.04\.[0-9]/20.04/' `" == "Ubuntu 20.04 LTS" ]; then
# This machine is running Ubuntu 20.04.
TAG=v0.54
TAG=v055
elif [ "$(lsb_release -d | sed 's/.*:\s*//' | sed 's/18\.04\.[0-9]/18.04/' )" == "Ubuntu 18.04 LTS" ]; then
# This machine is running Ubuntu 18.04.
TAG=v0.54
TAG=v055
elif [ "$(lsb_release -d | sed 's/.*:\s*//' | sed 's/14\.04\.[0-9]/14.04/' )" == "Ubuntu 14.04 LTS" ]; then
# This machine is running Ubuntu 14.04.

8
setup/dns.sh
View File

@ -66,7 +66,13 @@ for ip in $PRIVATE_IP $PRIVATE_IPV6; do
echo " ip-address: $ip" >> /etc/nsd/nsd.conf;
done
echo "include: /etc/nsd/zones.conf" >> /etc/nsd/nsd.conf;
# Create a directory for additional configuration directives, including
# the zones.conf file written out by our management daemon.
echo "include: /etc/nsd/nsd.conf.d/*.conf" >> /etc/nsd/nsd.conf;
# Remove the old location of zones.conf that we generate. It will
# now be stored in /etc/nsd/nsd.conf.d.
rm -f /etc/nsd/zones.conf
# Add systemd override file to fix some permissions
mkdir -p /etc/systemd/system/nsd.service.d/

11
setup/mail-users.sh
View File

@ -23,6 +23,7 @@ if [ ! -f $db_path ]; then
echo "CREATE TABLE users (id INTEGER PRIMARY KEY AUTOINCREMENT, email TEXT NOT NULL UNIQUE, password TEXT NOT NULL, extra, privileges TEXT NOT NULL DEFAULT '');" | sqlite3 $db_path;
echo "CREATE TABLE aliases (id INTEGER PRIMARY KEY AUTOINCREMENT, source TEXT NOT NULL UNIQUE, destination TEXT NOT NULL, permitted_senders TEXT);" | sqlite3 $db_path;
echo "CREATE TABLE mfa (id INTEGER PRIMARY KEY AUTOINCREMENT, user_id INTEGER NOT NULL, type TEXT NOT NULL, secret TEXT NOT NULL, mru_token TEXT, label TEXT, FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE);" | sqlite3 $db_path;
echo "CREATE TABLE auto_aliases (id INTEGER PRIMARY KEY AUTOINCREMENT, source TEXT NOT NULL UNIQUE, destination TEXT NOT NULL, permitted_senders TEXT);" | sqlite3 $db_path;
fi
# ### User Authentication
@ -100,8 +101,12 @@ EOF
# ### Destination Validation
# Use a Sqlite3 database to check whether a destination email address exists,
# and to perform any email alias rewrites in Postfix.
# and to perform any email alias rewrites in Postfix. Additionally, we disable
# SMTPUTF8 because Dovecot's LMTP server that delivers mail to inboxes does
# not support it, and if a message is received with the SMTPUTF8 flag it will
# bounce.
tools/editconf.py /etc/postfix/main.cf \
smtputf8_enable=no \
virtual_mailbox_domains=sqlite:/etc/postfix/virtual-mailbox-domains.cf \
virtual_mailbox_maps=sqlite:/etc/postfix/virtual-mailbox-maps.cf \
virtual_alias_maps=sqlite:/etc/postfix/virtual-alias-maps.cf \
@ -110,7 +115,7 @@ tools/editconf.py /etc/postfix/main.cf \
# SQL statement to check if we handle incoming mail for a domain, either for users or aliases.
cat > /etc/postfix/virtual-mailbox-domains.cf << EOF;
dbpath=$db_path
query = SELECT 1 FROM users WHERE email LIKE '%%@%s' UNION SELECT 1 FROM aliases WHERE source LIKE '%%@%s'
query = SELECT 1 FROM users WHERE email LIKE '%%@%s' UNION SELECT 1 FROM aliases WHERE source LIKE '%%@%s' UNION SELECT 1 FROM auto_aliases WHERE source LIKE '%%@%s'
EOF
# SQL statement to check if we handle incoming mail for a user.
@ -145,7 +150,7 @@ EOF
# empty destination here so that other lower priority rules might match.
cat > /etc/postfix/virtual-alias-maps.cf << EOF;
dbpath=$db_path
query = SELECT destination from (SELECT destination, 0 as priority FROM aliases WHERE source='%s' AND destination<>'' UNION SELECT email as destination, 1 as priority FROM users WHERE email='%s') ORDER BY priority LIMIT 1;
query = SELECT destination from (SELECT destination, 0 as priority FROM aliases WHERE source='%s' AND destination<>'' UNION SELECT email as destination, 1 as priority FROM users WHERE email='%s' UNION SELECT destination, 2 as priority FROM auto_aliases WHERE source='%s' AND destination<>'') ORDER BY priority LIMIT 1;
EOF
# Restart Services

4
setup/management.sh
View File

@ -49,8 +49,8 @@ hide_output $venv/bin/pip install --upgrade pip
# NOTE: email_validator is repeated in setup/questions.sh, so please keep the versions synced.
hide_output $venv/bin/pip install --upgrade \
rtyaml "email_validator>=1.0.0" "exclusiveprocess" \
flask dnspython python-dateutil \
qrcode[pil] pyotp \
flask dnspython python-dateutil expiringdict \
qrcode[pil] pyotp \
"idna>=2.0.0" "cryptography==2.2.2" boto psutil postfix-mta-sts-resolver b2sdk
# CONFIGURATION

5
setup/migrate.py
View File

@ -186,6 +186,11 @@ def migration_13(env):
db = os.path.join(env["STORAGE_ROOT"], 'mail/users.sqlite')
shell("check_call", ["sqlite3", db, "CREATE TABLE mfa (id INTEGER PRIMARY KEY AUTOINCREMENT, user_id INTEGER NOT NULL, type TEXT NOT NULL, secret TEXT NOT NULL, mru_token TEXT, label TEXT, FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE);"])
def migration_14(env):
# Add the "auto_aliases" table.
db = os.path.join(env["STORAGE_ROOT"], 'mail/users.sqlite')
shell("check_call", ["sqlite3", db, "CREATE TABLE auto_aliases (id INTEGER PRIMARY KEY AUTOINCREMENT, source TEXT NOT NULL UNIQUE, destination TEXT NOT NULL, permitted_senders TEXT);"])
###########################################################
def get_current_migration():

5
setup/webmail.sh
View File

@ -29,8 +29,8 @@ apt_install \
# Combine the Roundcube version number with the commit hash of plugins to track
# whether we have the latest version of everything.
VERSION=1.4.11
HASH=3877f0e70f29e7d0612155632e48c3db1e626be3
VERSION=1.5.0
HASH=2a9d11d9c10c8e8756120606c47eef702f00fe6d
PERSISTENT_LOGIN_VERSION=6b3fc450cae23ccb2f393d0ef67aa319e877e435 # version 5.2.0
HTML5_NOTIFIER_VERSION=68d9ca194212e15b3c7225eb6085dbcf02fd13d7 # version 0.6.4+
CONTEXT_MENU_VERSION=602a3812922fb8f71814eb3b8d91e9b7859aab7e # version 3.2.1
@ -137,6 +137,7 @@ cat > $RCM_CONFIG <<EOF;
\$config['plugins'] = array('html5_notifier', 'archive', 'zipdownload', 'password', 'managesieve', 'jqueryui', 'persistent_login', 'carddav', 'markasjunk', 'contextmenu');
\$config['skin'] = 'elastic';
\$config['login_autocomplete'] = 2;
\$config['login_username_filter'] = 'email';
\$config['password_charset'] = 'UTF-8';
\$config['junk_mbox'] = 'Spam';
?>

2
tests/fail2ban.py
View File

@ -232,7 +232,7 @@ if __name__ == "__main__":
run_test(managesieve_test, [], 20, 30, 4)
# Mail-in-a-Box control panel
run_test(http_test, ["/admin/me", 200], 20, 30, 1)
run_test(http_test, ["/admin/login", 200], 20, 30, 1)
# Munin via the Mail-in-a-Box control panel
run_test(http_test, ["/admin/munin/", 401], 20, 30, 1)