SSL 1.3 maybe
This commit is contained in:
emdee
parent
3e093a1a41
commit
5ff9bd0680
179
tox-irc-sync.py
179
tox-irc-sync.py
@ -13,6 +13,7 @@ import traceback
|
||||
from time import sleep
|
||||
from threading import Thread
|
||||
from random import shuffle
|
||||
from errno import errorcode
|
||||
from OpenSSL import SSL
|
||||
|
||||
import warnings
|
||||
@ -38,15 +39,42 @@ import wrapper.toxencryptsave as tox_encrypt_save
|
||||
|
||||
global LOG
|
||||
LOG = logging.getLogger('app.'+'ts')
|
||||
class SyniToxError(Exception): pass
|
||||
class SyniToxError(BaseException): pass
|
||||
|
||||
NAME = 'SyniTox'
|
||||
SSL_TOR_RANGE = '172.'
|
||||
# possible CA locations picks the first one
|
||||
lCAs = ['/etc/ssl/cacert.pem',
|
||||
# debian
|
||||
'/etc/ssl/certs/']
|
||||
|
||||
lCAs = [# debian and gentoo
|
||||
'/etc/ssl/certs/',
|
||||
]
|
||||
lCAfs = SSL._CERTIFICATE_FILE_LOCATIONS
|
||||
# openssl ciphers -s -v|grep 1.3 > /tmp/v1.3
|
||||
lOPENSSL_13_CIPHERS = ['TLS_AES_256_GCM_SHA384',
|
||||
'TLS_CHACHA20_POLY1305_SHA256',
|
||||
'TLS_AES_128_GCM_SHA256']
|
||||
lOPENSSL_12_CIPHERS = ['ECDHE-ECDSA-AES256-GCM-SHA384',
|
||||
'ECDHE-RSA-AES256-GCM-SHA384',
|
||||
'DHE-RSA-AES256-GCM-SHA384',
|
||||
'ECDHE-ECDSA-CHACHA20-POLY1305',
|
||||
'ECDHE-RSA-CHACHA20-POLY1305',
|
||||
'DHE-RSA-CHACHA20-POLY1305',
|
||||
'ECDHE-ECDSA-AES128-GCM-SHA256',
|
||||
'ECDHE-RSA-AES128-GCM-SHA256',
|
||||
'DHE-RSA-AES128-GCM-SHA256',
|
||||
'ECDHE-ECDSA-AES256-SHA384',
|
||||
'ECDHE-RSA-AES256-SHA384',
|
||||
'DHE-RSA-AES256-SHA256',
|
||||
'ECDHE-ECDSA-AES128-SHA256',
|
||||
'ECDHE-RSA-AES128-SHA256',
|
||||
'DHE-RSA-AES128-SHA256',
|
||||
'AES256-GCM-SHA384',
|
||||
'AES128-GCM-SHA256',
|
||||
'AES256-SHA256',
|
||||
'AES128-SHA256'
|
||||
]
|
||||
bot_toxname = 'SyniTox'
|
||||
iSocks5ErrorMax = 5
|
||||
iSocks5Error = 0
|
||||
|
||||
# tox.py can be called by callbacks
|
||||
def LOG_ERROR(a): print('EROR> '+a)
|
||||
@ -62,8 +90,8 @@ def LOG_TRACE(a):
|
||||
if bVERBOSE: print('TRAC> '+a)
|
||||
|
||||
# https://wiki.python.org/moin/SSL
|
||||
def ssl_verify_cb(HOST, override=False):
|
||||
assert HOST
|
||||
def ssl_verify_cb(host, override=False):
|
||||
assert host
|
||||
# wrapps host
|
||||
def ssl_verify(*args):
|
||||
"""
|
||||
@ -71,28 +99,33 @@ def ssl_verify_cb(HOST, override=False):
|
||||
should return true if verification passes and false otherwise
|
||||
"""
|
||||
LOG.debug(f"ssl_verify {len(args)} {args}")
|
||||
|
||||
# app.ts WARNING SSL error: ([('SSL routines', 'tls_process_server_certificate', 'certificate verify failed')],) # on .onion - fair enough
|
||||
if override: return True
|
||||
|
||||
ssl_conn, x509, error_num, depth, return_code = args
|
||||
if error_num != 0:
|
||||
LOG.warn(f"ssl_verify error_num={error_num} {errorcode.get(error_num)}")
|
||||
return False
|
||||
if depth != 0:
|
||||
# don't validate names of root certificates
|
||||
return True
|
||||
|
||||
if x509.get_subject().commonName == HOST:
|
||||
if x509.get_subject().commonName == host:
|
||||
return True
|
||||
|
||||
LOG.warn(f"ssl_verify {x509.get_subject().commonName} {HOST}")
|
||||
# allow matching subdomains
|
||||
have , want = x509.get_subject().commonName, HOST
|
||||
have , want = x509.get_subject().commonName, host
|
||||
if len(have.split('.')) == len(want.split('.')) and len(want.split('.')) > 2:
|
||||
if have.split('.')[1:] == want.split('.')[1:]:
|
||||
LOG.warn(f"ssl_verify accepting {x509.get_subject().commonName} for {host}")
|
||||
return True
|
||||
|
||||
return False
|
||||
|
||||
return ssl_verify
|
||||
|
||||
|
||||
class SyniTox(Tox):
|
||||
|
||||
def __init__(self,
|
||||
@ -183,38 +216,61 @@ class SyniTox(Tox):
|
||||
|
||||
def start_ssl(self, HOST):
|
||||
if not self._ssl_context:
|
||||
if HOST.endswith('.onion'):
|
||||
try:
|
||||
OP_NO_TLSv1_3 = SSL._lib.SSL_OP_NO_TLSv1_3
|
||||
except AttributeError:
|
||||
if self._oArgs.irc_ssl == 'tlsv1.3':
|
||||
LOG.warning("SSL._lib.SSL_OP_NO_TLSv1_3 is not supported")
|
||||
LOG.warning("Downgrading SSL to tlsv1.2 ")
|
||||
self._oArgs.irc_ssl = 'tlsv1.2'
|
||||
else:
|
||||
LOG.debug("SSL._lib.SSL_OP_NO_TLSv1_3 is not supported")
|
||||
else:
|
||||
LOG.debug("SSL._lib.SSL_OP_NO_TLSv1_3 is supported")
|
||||
|
||||
if self._oArgs.irc_connect.endswith('.onion') or \
|
||||
self._oArgs.irc_connect.startswith(SSL_TOR_RANGE):
|
||||
override = True
|
||||
else:
|
||||
override = False
|
||||
# TLSv1_3_METHOD does not exist
|
||||
context = SSL.Context(SSL.TLSv1_2_METHOD)
|
||||
# SSL.OP_NO_TLSv1_1 is allowed
|
||||
context.set_options(SSL.OP_NO_SSLv2|SSL.OP_NO_SSLv3|SSL.OP_NO_TLSv1)
|
||||
# this maybe necessary even for a 1.3 site to get the handshake
|
||||
# in pyOpenSSL - or was it a protocol downgrade attack?
|
||||
#? context.set_cipher_list("DEFAULT:SECLEVEL=1")
|
||||
# im getting SSL error: ([('SSL routines', 'tls_construct_client_hello', 'no protocols available')],)
|
||||
# if I use tlsv1.3 or tlsv1.2 without this on a tlsv1.3 capacble site
|
||||
|
||||
if self._oArgs.irc_pem:
|
||||
key = self._oArgs.irc_pem
|
||||
assert os.path.exists(key), key
|
||||
val = SSL.VERIFY_PEER | SSL.VERIFY_FAIL_IF_NO_PEER_CERT
|
||||
LOG.info('Using keyfile: %s' % self._oArgs.irc_pem)
|
||||
if False:
|
||||
if True:
|
||||
key = self._oArgs.irc_pem.replace('.pem', '.crt')
|
||||
context.use_certificate_file(key, filetype=SSL.FILETYPE_PEM)
|
||||
if True:
|
||||
# key = self._oArgs.irc_pem.replace('.pem', '.key')
|
||||
key = self._oArgs.irc_pem.replace('.pem', '.key')
|
||||
assert os.path.exists(key), key
|
||||
context.use_privatekey_file(key, filetype=SSL.FILETYPE_PEM)
|
||||
else:
|
||||
val = SSL.VERIFY_PEER
|
||||
context.set_verify(val, ssl_verify_cb(HOST, override))
|
||||
|
||||
assert os.path.exists(self._oArgs.irc_ca), self._oArgs.irc_ca
|
||||
if os.path.isdir(self._oArgs.irc_ca):
|
||||
context.load_verify_locations(capath=self._oArgs.irc_ca)
|
||||
else:
|
||||
context.load_verify_locations(cafile=self._oArgs.irc_ca)
|
||||
if False:
|
||||
pass
|
||||
elif self._oArgs.irc_ssl == 'tls1.2':
|
||||
if self._oArgs.irc_cafile:
|
||||
# context.load_verify_locations(capath=self._oArgs.irc_ca)
|
||||
context.load_verify_locations(self._oArgs.irc_cafile, capath=self._oArgs.irc_cadir)
|
||||
elif self._oArgs.irc_cadir:
|
||||
context.load_verify_locations(None, capath=self._oArgs.irc_cadir)
|
||||
if self._oArgs.irc_ssl == 'tlsv1.1':
|
||||
context.set_min_proto_version(SSL.TLS1_1_VERSION)
|
||||
elif self._oArgs.irc_ssl == 'tlsv1.2':
|
||||
context.set_cipher_list(bytes(' '.join(lOPENSSL_12_CIPHERS), 'UTF-8'))
|
||||
context.set_min_proto_version(SSL.TLS1_2_VERSION)
|
||||
elif self._oArgs.irc_ssl == 'tls1.3':
|
||||
elif self._oArgs.irc_ssl == 'tlsv1.3':
|
||||
#? context.set_cipher_list(bytes(' '.join(lOPENSSL_13_CIPHERS), 'UTF-8'))
|
||||
context.set_min_proto_version(SSL.TLS1_3_VERSION)
|
||||
self._ssl_context = context
|
||||
|
||||
@ -432,13 +488,35 @@ class SyniTox(Tox):
|
||||
self.callback_friend_request(None)
|
||||
self.callback_friend_request(None)
|
||||
|
||||
def diagnose_ciphers(self, irc):
|
||||
cipher_name = irc.get_cipher_name()
|
||||
LOG.info(f"cipher_name={irc.get_cipher_name()}")
|
||||
LOG.debug(f"get_cipher_list={irc.get_cipher_list()}")
|
||||
cipher_list=irc.get_cipher_list()
|
||||
for ci in lOPENSSL_13_CIPHERS:
|
||||
if ci in cipher_list: LOG.info(f"server supports v1.3 cipher {ci}")
|
||||
cipher_name = irc.get_cipher_name()
|
||||
LOG.info(f"cipher_name={irc.get_cipher_name()}")
|
||||
if self._oArgs.irc_ssl == 'tlsv1.2':
|
||||
assert cipher_name in lOPENSSL_12_CIPHERS, cipher_name
|
||||
elif self._oArgs.irc_ssl == 'tlsv1.3':
|
||||
assert cipher_name in lOPENSSL_13_CIPHERS, cipher_name
|
||||
|
||||
for cert in irc.get_peer_cert_chain():
|
||||
# x509 objects - just want the /CN
|
||||
LOG.debug(f"{cert.get_subject()} {cert.get_issuer()}")
|
||||
assert irc.get_protocol_version_name().lower() == \
|
||||
self._oArgs.irc_ssl, \
|
||||
irc.get_protocol_version_name().lower()
|
||||
|
||||
def irc_init(self):
|
||||
global iSocks5Error
|
||||
|
||||
if not self.bRouted(): return
|
||||
nick = self._oArgs.irc_nick
|
||||
realname = self._oArgs.irc_name
|
||||
ident = self._oArgs.irc_ident
|
||||
|
||||
LOG.info(f"irc_init proxy={self._oArgs.proxy_type}")
|
||||
LOG.info(f"irc_init proxy={self._oArgs.proxy_type} SSL={self._oArgs.irc_ssl}")
|
||||
try:
|
||||
if self._oArgs.proxy_type == 2:
|
||||
socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5,
|
||||
@ -474,27 +552,37 @@ class SyniTox(Tox):
|
||||
irc.set_tlsext_host_name(None)
|
||||
else:
|
||||
irc.set_tlsext_host_name(bytes(self._oArgs.irc_host, 'UTF-8'))
|
||||
irc.set_connect_state()
|
||||
#? irc.set_connect_state()
|
||||
while True:
|
||||
try:
|
||||
irc.do_handshake()
|
||||
except SSl.WantReadError:
|
||||
except SSL.WantReadError:
|
||||
rd,_,_ = select.select([irc], [], [], irc.gettimeout())
|
||||
if not rd:
|
||||
raise socket.timeout('timeout')
|
||||
continue
|
||||
except SSl.Error as e:
|
||||
except SSL.Error as e:
|
||||
raise
|
||||
break
|
||||
for cert in irc.get_peer_cert_chain():
|
||||
print(f"{cert.get_subject} {cert.get_issuer}")
|
||||
self.diagnose_ciphers(irc)
|
||||
else:
|
||||
irc.connect((ip, self._oArgs.irc_port))
|
||||
LOG.info(f"IRC {'SSL ' if self._oArgs.irc_ssl else ''} connected ")
|
||||
|
||||
except wrapper_tests.socks.Socks5Error as e:
|
||||
if len(e.args[0]) == 2 and e.args[0][0] ==2:
|
||||
iSocks5Error += 1
|
||||
if iSocks5Error >= iSocks5ErrorMax:
|
||||
raise SyniToxError(f"{e.args}")
|
||||
if len(e.args[0]) == 2 and e.args[0][0] == 2:
|
||||
LOG.warn(f"Socks5Error: do you have Tor SafeSocks set? {e.args[0]}")
|
||||
elif len(e.args[0]) == 2 and e.args[0][0] == 5:
|
||||
# (5, 'Connection refused')
|
||||
LOG.warn(f"Socks5Error: do you have Tor running? {e.args[0]}")
|
||||
raise SyniToxError(f"{e.args}")
|
||||
elif len(e.args[0]) == 2 and e.args[0][0] in [1, 6]:
|
||||
# (6, 'TTL expired'), 1, ('general SOCKS server failure')
|
||||
# Missing mapping for virtual address '172.17.140.117'. Refusing.
|
||||
LOG.warn(f"Socks5Error: {e.args[0]}")
|
||||
return
|
||||
else:
|
||||
LOG.error(f"Socks5Error: {e.args}")
|
||||
@ -502,16 +590,18 @@ class SyniTox(Tox):
|
||||
except socket.timeout as e:
|
||||
LOG.warn(f"socket error: {e.args}")
|
||||
return
|
||||
except ( ConnectionRefusedError) as e:
|
||||
raise SyniToxError(f"{e.args}")
|
||||
except ( SSL.Error, ) as e:
|
||||
iSocks5Error += 1
|
||||
if iSocks5Error >= iSocks5ErrorMax:
|
||||
raise SyniToxError(f"{e.args}")
|
||||
LOG.warn(f"SSL error: {e.args}")
|
||||
return
|
||||
except (SSL.SysCallError, ) as e:
|
||||
LOG.warn(f"SSLSyscall error: {e.args}")
|
||||
LOG.warn(traceback.format_exc())
|
||||
return
|
||||
except wrapper_tests.socks.Socks5Error as e:
|
||||
# (2, 'connection not allowed by ruleset')
|
||||
raise
|
||||
except Exception as e:
|
||||
LOG.warn(f"Error: {e}")
|
||||
LOG.warn(traceback.format_exc())
|
||||
@ -524,6 +614,7 @@ class SyniTox(Tox):
|
||||
self._oArgs.irc_ident,
|
||||
self._oArgs.irc_host,
|
||||
self._oArgs.irc_name), 'UTF-8'))
|
||||
# OSError: [Errno 9] Bad file descriptor
|
||||
|
||||
def dht_init(self):
|
||||
if not self.bRouted(): return
|
||||
@ -673,7 +764,11 @@ class SyniTox(Tox):
|
||||
else:
|
||||
LOG.error("you must provide a password to register")
|
||||
raise RuntimeError("you must provide a password to register")
|
||||
try:
|
||||
self.irc.send(bytes('JOIN %s\r\n' % self._oArgs.irc_chan, 'UTF-8'))
|
||||
except BrokenPipeError:
|
||||
raise SyniToxError('BrokenPipeError')
|
||||
|
||||
# put off init_groups until you have joined IRC
|
||||
self.init_groups()
|
||||
# Make sure we are in
|
||||
@ -1013,7 +1108,10 @@ def oArgparse(lArgv):
|
||||
for elt in lCAs:
|
||||
if os.path.exists(elt):
|
||||
CAcs.append(elt)
|
||||
break
|
||||
CAfs = []
|
||||
for elt in lCAfs:
|
||||
if os.path.exists(elt):
|
||||
CAfs.append(elt)
|
||||
|
||||
parser.add_argument('--log_level', type=int, default=10)
|
||||
parser.add_argument('--bot_name', type=str, default=bot_toxname)
|
||||
@ -1038,9 +1136,12 @@ def oArgparse(lArgv):
|
||||
#
|
||||
parser.add_argument('--irc_ssl', type=str, default='',
|
||||
help="TLS version; empty is no SSL",
|
||||
choices=['', 'tls1.2', 'tls1.3'])
|
||||
parser.add_argument('--irc_ca', type=str,
|
||||
help="Certificate Authority file or directory",
|
||||
choices=['', 'tlsv1.1', 'tlsv1.2', 'tlsv1.3'])
|
||||
parser.add_argument('--irc_cafile', type=str,
|
||||
help="Certificate Authority file",
|
||||
default=CAfs[0])
|
||||
parser.add_argument('--irc_cadir', type=str,
|
||||
help="Certificate Authority directory",
|
||||
default=CAcs[0])
|
||||
parser.add_argument('--irc_pem', type=str, default='',
|
||||
help="Certificate and key as pem; use openssl req -x509 -nodes -newkey rsa:2048")
|
||||
@ -1100,6 +1201,10 @@ def main(lArgs=None):
|
||||
assert oTOX_OARGS.irc_host or oTOX_OARGS.irc_connect
|
||||
if not oTOX_OARGS.irc_connect:
|
||||
oTOX_OARGS.irc_connect = oTOX_OARGS.irc_host
|
||||
if oTOX_OARGS.irc_cadir:
|
||||
assert os.path.isdir(oTOX_OARGS.irc_cadir)
|
||||
if oTOX_OARGS.irc_cafile:
|
||||
assert os.path.isfile(oTOX_OARGS.irc_cafile)
|
||||
global oTOX_OPTIONS
|
||||
oTOX_OPTIONS = oToxygenToxOptions(oTOX_OARGS)
|
||||
ts.vSetupLogging(oTOX_OARGS)
|
||||
|
||||
111
tox-irc-sync_test.bash
Normal file
111
tox-irc-sync_test.bash
Normal file
@ -0,0 +1,111 @@
|
||||
#!/bin/bash
|
||||
|
||||
#export LD_LIBRARY_PATH=/usr/local/lib
|
||||
#export TOXCORE_LIBS=/mnt/linuxPen19/var/local/src/c-toxcore/_build
|
||||
export TOXCORE_LIBS=/mnt/o/var/local/src/tox_profile/libs
|
||||
export PYTHONPATH=/mnt/o/var/local/src/toxygen_wrapper.git/
|
||||
|
||||
[ -f /usr/local/bin/usr_local_tput.bash ] && \
|
||||
. /usr/local/bin/usr_local_tput.bash || {
|
||||
DBUG() { echo DEBUG $* ; }
|
||||
INFO() { echo INFO $* ; }
|
||||
WARN() { echo WARN $* ; }
|
||||
ERROR() { echo ERROR $* ; }
|
||||
}
|
||||
|
||||
TLS=2
|
||||
a=`openssl ciphers -s -v|grep -c v1.3`
|
||||
if [ "$a" -lt 3 ] ; then
|
||||
WARN no SSSL TLSv1.3 ciphers available to the client.
|
||||
TLS=2
|
||||
fi
|
||||
|
||||
declare -a RARGS
|
||||
RARGS=(
|
||||
--log_level 10
|
||||
)
|
||||
[ -n "$socks_proxy" ] && \
|
||||
RARGS+=(
|
||||
--proxy_type 2
|
||||
--proxy_port 9050
|
||||
--proxy_host 127.0.0.1
|
||||
)
|
||||
declare -a LARGS
|
||||
LARGS=(
|
||||
--irc_host irc.oftc.net
|
||||
--irc_port 7000
|
||||
--irc_ssl ""
|
||||
--irc_ident SyniTox
|
||||
--irc_name SyniTox
|
||||
--irc_nick SyniTox
|
||||
--irc_pass password
|
||||
)
|
||||
DBUG $?
|
||||
|
||||
if [ $# -eq 0 -o "$1" = 1 ] ; then
|
||||
INFO No SSL
|
||||
python3 tox-irc-sync.py "${LARGS[@]}" "${RARGS[@]}" "$@"
|
||||
DBUG $?
|
||||
fi
|
||||
|
||||
CIPHER_DOWNGRADE_OVER_TOR="
|
||||
|
||||
Nmap scan report for irc.oftc.net (130.239.18.116)
|
||||
Host is up (0.26s latency).
|
||||
Other addresses for irc.oftc.net (not scanned): (null)
|
||||
rDNS record for 130.239.18.116: solenoid.acc.umu.se
|
||||
|
||||
PORT STATE SERVICE
|
||||
6697/tcp open ircs-u
|
||||
| ssl-enum-ciphers:
|
||||
| TLSv1.0:
|
||||
| ciphers:
|
||||
| TLS_DHE_RSA_WITH_AES_128_CBC_SHA (dh 2048) - A
|
||||
| compressors:
|
||||
| cipher preference: indeterminate
|
||||
| cipher preference error: Too few ciphers supported
|
||||
|_ least strength: A
|
||||
"
|
||||
# I know that site does v1.3 3 ciphers
|
||||
if [ $# -eq 0 -o "$1" = 2 ] ; then
|
||||
nmap --script ssl-enum-ciphers --proxies socks4://127.0.0.1:9050 -p 6697 irc.oftc.net
|
||||
|
||||
# oftcnet6xg6roj6d7id4y4cu6dchysacqj2ldgea73qzdagufflqxrid.onion
|
||||
# irc.oftc.net
|
||||
LARGS=(
|
||||
--irc_host irc.oftc.net
|
||||
--irc_port 6697
|
||||
--irc_ssl tlsv1.$TLS
|
||||
--irc_ident SyniTox
|
||||
--irc_name SyniTox
|
||||
--irc_nick SyniTox
|
||||
--irc_pass password
|
||||
--irc_pem $HOME/.config/ssl/irc.oftc.net/SyniTox.pem
|
||||
# E178E7B9BD9E540278118193AD2C84DEF9B35E85
|
||||
--irc_fp $HOME/.config/ssl/irc.oftc.net/SyniTox.fp
|
||||
--irc_cadir '/etc/ssl/certs'
|
||||
--irc_cafile /etc/ssl/cacert.pem
|
||||
)
|
||||
DBUG $?
|
||||
fi
|
||||
|
||||
if [ $# -eq 0 -o "$1" = 2 ] ; then
|
||||
INFO SSL
|
||||
python3 tox-irc-sync.py "${LARGS[@]}" "${RARGS[@]}" "$@"
|
||||
fi
|
||||
|
||||
ip=oftcnet6xg6roj6d7id4y4cu6dchysacqj2ldgea73qzdagufflqxrid.onion
|
||||
if [ $# -eq 0 -o "$1" = 3 ] ; then
|
||||
nmap --script ssl-enum-ciphers --proxies socks4://127.0.0.1:9050 -p 6697 $ip
|
||||
INFO Onion
|
||||
python3 tox-irc-sync.py "${LARGS[@]}" --irc_connect $ip "${RARGS[@]}" "$@"
|
||||
DBUG $?
|
||||
fi
|
||||
|
||||
ip=`tor-resolve -4 $ip`
|
||||
if [ $? -eq 0 -a -n "$ip" ] && [ $# -eq 0 -o "$1" = 4 ] ; then
|
||||
nmap --script ssl-enum-ciphers --proxies socks4://127.0.0.1:9050 -p 6697 $ip
|
||||
INFO IP $ip
|
||||
python3 tox-irc-sync.py "${LARGS[@]}" --irc_connect $ip "${RARGS[@]}" "$@"
|
||||
DBUG $?
|
||||
fi
|
||||
Loading…
Reference in New Issue
Block a user