MODES option instead of SECURE_ONLY and TLS_ONLY

This commit is contained in:
Alexander Bersenev
2019-11-22 02:05:05 +05:00
parent 7f19b3f78d
commit d41b4abf35
2 changed files with 80 additions and 35 deletions

View File

@@ -109,12 +109,12 @@ def init_config():
conf_dict["PORT"] = int(sys.argv[1])
secrets = sys.argv[2].split(",")
conf_dict["USERS"] = {"user%d" % i: secrets[i].zfill(32) for i in range(len(secrets))}
conf_dict["MODES"] = {"classic": False, "secure": True, "tls": True}
if len(sys.argv) > 3:
conf_dict["AD_TAG"] = sys.argv[3]
if len(sys.argv) > 4:
conf_dict["TLS_DOMAIN"] = sys.argv[4]
conf_dict["TLS_ONLY"] = True
conf_dict["SECURE_ONLY"] = True
conf_dict["MODES"] = {"classic": False, "secure": False, "tls": True}
conf_dict = {k: v for k, v in conf_dict.items() if k.isupper()}
@@ -133,11 +133,43 @@ def init_config():
# disables tg->client trafic reencryption, faster but less secure
conf_dict.setdefault("FAST_MODE", True)
# doesn't allow to connect in not-secure mode
conf_dict.setdefault("SECURE_ONLY", False)
# enables some working modes
modes = conf_dict.get("MODES", {})
# allows to connect in tls mode only
conf_dict.setdefault("TLS_ONLY", False)
if "MODES" not in conf_dict:
modes.setdefault("classic", True)
modes.setdefault("secure", True)
modes.setdefault("tls", True)
else:
modes.setdefault("classic", False)
modes.setdefault("secure", False)
modes.setdefault("tls", False)
legacy_warning = False
if "SECURE_ONLY" in conf_dict:
legacy_warning = True
modes["classic"] = not bool(conf_dict["SECURE_ONLY"])
if "TLS_ONLY" in conf_dict:
legacy_warning = True
if conf_dict["TLS_ONLY"]:
modes["classic"] = False
modes["secure"] = False
if not modes["classic"] and not modes["secure"] and not modes["tls"]:
print_err("No known modes enabled, enabling tls-only mode")
modes["tls"] = True
if legacy_warning:
print_err("Legacy options SECURE_ONLY or TLS_ONLY detected")
print_err("Please use MODES in your config instead:")
print_err("MODES = {")
print_err(' "classic": %s,' % modes["classic"])
print_err(' "secure": %s,' % modes["secure"])
print_err(' "tls": %s' % modes["tls"])
print_err("}")
conf_dict["MODES"] = modes
# accept incoming connections only with proxy protocol v1/v2, useful for nginx and haproxy
conf_dict.setdefault("PROXY_PROTOCOL", False)
@@ -181,7 +213,8 @@ def init_config():
conf_dict.setdefault("REPLAY_CHECK_LEN", 65536)
# block bad first packets to even more protect against replay-based fingerprinting
conf_dict.setdefault("BLOCK_IF_FIRST_PKT_BAD", not conf_dict["TLS_ONLY"])
block_on_first_pkt = conf_dict["MODES"]["classic"] or conf_dict["MODES"]["secure"]
conf_dict.setdefault("BLOCK_IF_FIRST_PKT_BAD", block_on_first_pkt)
# delay in seconds between stats printing
conf_dict.setdefault("STATS_PRINT_PERIOD", 600)
@@ -1202,7 +1235,7 @@ async def handle_handshake(reader, writer):
reader, writer = tls_handshake_result
handshake = await reader.readexactly(HANDSHAKE_LEN)
else:
if config.TLS_ONLY:
if not config.MODES["classic"] and not config.MODES["secure"]:
await handle_bad_client(reader, writer, handshake)
return False
handshake += await reader.readexactly(HANDSHAKE_LEN - len(handshake))
@@ -1232,8 +1265,14 @@ async def handle_handshake(reader, writer):
if proto_tag not in (PROTO_TAG_ABRIDGED, PROTO_TAG_INTERMEDIATE, PROTO_TAG_SECURE):
continue
if config.SECURE_ONLY and proto_tag != PROTO_TAG_SECURE:
continue
if proto_tag == PROTO_TAG_SECURE:
if is_tls_handshake and not config.MODES["tls"]:
continue
if not is_tls_handshake and not config.MODES["secure"]:
continue
else:
if not config.MODES["classic"]:
continue
dc_idx = int.from_bytes(decrypted[DC_IDX_POS:DC_IDX_POS+2], "little", signed=True)
@@ -2018,7 +2057,7 @@ def print_tg_info():
if config.PORT == 3256:
print("The default port 3256 is used, this is not recommended", flush=True)
if config.TLS_ONLY:
if not config.MODES["classic"] and not config.MODES["secure"]:
print("Since you have TLS only mode enabled the best port is 443", flush=True)
print_default_warning = True
@@ -2030,29 +2069,30 @@ def print_tg_info():
for user, secret in sorted(config.USERS.items(), key=lambda x: x[0]):
for ip in ip_addrs:
if not config.TLS_ONLY:
if not config.SECURE_ONLY:
params = {"server": ip, "port": config.PORT, "secret": secret}
params_encodeded = urllib.parse.urlencode(params, safe=':')
classic_link = "tg://proxy?{}".format(params_encodeded)
proxy_links.append({"user": user, "link": classic_link})
print("{}: {}".format(user, classic_link), flush=True)
if config.MODES["classic"]:
params = {"server": ip, "port": config.PORT, "secret": secret}
params_encodeded = urllib.parse.urlencode(params, safe=':')
classic_link = "tg://proxy?{}".format(params_encodeded)
proxy_links.append({"user": user, "link": classic_link})
print("{}: {}".format(user, classic_link), flush=True)
if config.MODES["secure"]:
params = {"server": ip, "port": config.PORT, "secret": "dd" + secret}
params_encodeded = urllib.parse.urlencode(params, safe=':')
dd_link = "tg://proxy?{}".format(params_encodeded)
proxy_links.append({"user": user, "link": dd_link})
print("{}: {}".format(user, dd_link), flush=True)
tls_secret = "ee" + secret + config.TLS_DOMAIN.encode().hex()
# the base64 links is buggy on ios
# tls_secret = bytes.fromhex("ee" + secret) + config.TLS_DOMAIN.encode()
# tls_secret_base64 = base64.urlsafe_b64encode(tls_secret)
params = {"server": ip, "port": config.PORT, "secret": tls_secret}
params_encodeded = urllib.parse.urlencode(params, safe=':')
tls_link = "tg://proxy?{}".format(params_encodeded)
proxy_links.append({"user": user, "link": tls_link})
print("{}: {}".format(user, tls_link), flush=True)
if config.MODES["tls"]:
tls_secret = "ee" + secret + config.TLS_DOMAIN.encode().hex()
# the base64 links is buggy on ios
# tls_secret = bytes.fromhex("ee" + secret) + config.TLS_DOMAIN.encode()
# tls_secret_base64 = base64.urlsafe_b64encode(tls_secret)
params = {"server": ip, "port": config.PORT, "secret": tls_secret}
params_encodeded = urllib.parse.urlencode(params, safe=':')
tls_link = "tg://proxy?{}".format(params_encodeded)
proxy_links.append({"user": user, "link": tls_link})
print("{}: {}".format(user, tls_link), flush=True)
if secret in ["00000000000000000000000000000000", "0123456789abcdef0123456789abcdef",
"00000000000000000000000000000001"]: