Gecko [ armaneco.co.uk ]

Name	Size	Permission	Date
Checker.py	9.58 KB	-rw-r--r--	2015-11-30 12:48
Checker.pyc	9.02 KB	-rw-r--r--	2015-11-30 12:48
Checker.pyo	9.02 KB	-rw-r--r--	2015-11-30 12:48
Cipher.py	1.04 KB	-rw-r--r--	2011-01-15 22:40
Cipher.pyc	2.8 KB	-rw-r--r--	2015-11-30 12:48
Cipher.pyo	2.8 KB	-rw-r--r--	2015-11-30 12:48
Connection.py	12.13 KB	-rw-r--r--	2015-11-30 12:48
Connection.pyc	19.31 KB	-rw-r--r--	2015-11-30 12:48
Connection.pyo	19.21 KB	-rw-r--r--	2015-11-30 12:48
Context.py	9.29 KB	-rw-r--r--	2015-11-30 12:48
Context.pyc	13.42 KB	-rw-r--r--	2015-11-30 12:48
Context.pyo	13.42 KB	-rw-r--r--	2015-11-30 12:48
SSLServer.py	1.45 KB	-rw-r--r--	2011-01-15 22:40
SSLServer.pyc	2.3 KB	-rw-r--r--	2015-11-30 12:48
SSLServer.pyo	2.3 KB	-rw-r--r--	2015-11-30 12:48
Session.py	1.47 KB	-rw-r--r--	2011-01-15 22:40
Session.pyc	3.31 KB	-rw-r--r--	2015-11-30 12:48
Session.pyo	3.26 KB	-rw-r--r--	2015-11-30 12:48
TwistedProtocolWrapper.py	15.01 KB	-rw-r--r--	2011-01-15 22:40
TwistedProtocolWrapper.pyc	13.96 KB	-rw-r--r--	2015-11-30 12:48
TwistedProtocolWrapper.pyo	13.84 KB	-rw-r--r--	2015-11-30 12:48
__init__.py	853 B	-rw-r--r--	2015-11-30 12:48
__init__.pyc	1.48 KB	-rw-r--r--	2015-11-30 12:48
__init__.pyo	1.48 KB	-rw-r--r--	2015-11-30 12:48
cb.py	2.3 KB	-rw-r--r--	2011-01-15 22:40
cb.pyc	2.56 KB	-rw-r--r--	2015-11-30 12:48
cb.pyo	2.56 KB	-rw-r--r--	2015-11-30 12:48
ssl_dispatcher.py	874 B	-rw-r--r--	2011-01-15 22:40
ssl_dispatcher.pyc	1.69 KB	-rw-r--r--	2015-11-30 12:48
ssl_dispatcher.pyo	1.69 KB	-rw-r--r--	2015-11-30 12:48
timeout.py	660 B	-rw-r--r--	2011-01-15 22:40
timeout.pyc	1.52 KB	-rw-r--r--	2015-11-30 12:48
timeout.pyo	1.52 KB	-rw-r--r--	2015-11-30 12:48

Rename

"""SSL callbacks

__all__ = ['unknown_issuer', 'ssl_verify_callback_stub', 'ssl_verify_callback',
           'ssl_verify_callback_allow_unknown_ca', 'ssl_info_callback']

# Python
import sys

# M2Crypto
import Context
from M2Crypto import m2

def ssl_verify_callback_stub(ssl_ctx_ptr, x509_ptr, errnum, errdepth, ok):
    # Deprecated
    return ok

unknown_issuer = [
    m2.X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT,
    m2.X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY,
    m2.X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE,
    m2.X509_V_ERR_CERT_UNTRUSTED,
    ]

def ssl_verify_callback(ssl_ctx_ptr, x509_ptr, errnum, errdepth, ok):
    # Deprecated
    ssl_ctx = Context.map()[long(ssl_ctx_ptr)]
    if errnum in unknown_issuer: 
        if ssl_ctx.get_allow_unknown_ca():
            sys.stderr.write("policy: %s: permitted...\n" % (m2.x509_get_verify_error(errnum)))
            sys.stderr.flush()
            ok = 1
    # CRL checking goes here...
    if ok:
        if ssl_ctx.get_verify_depth() >= errdepth:
            ok = 1
        else:
            ok = 0
    return ok

def ssl_verify_callback_allow_unknown_ca(ok, store):
    errnum = store.get_error()
    if errnum in unknown_issuer:
        ok = 1
    return ok

# Cribbed from OpenSSL's apps/s_cb.c.
def ssl_info_callback(where, ret, ssl_ptr):

w = where & ~m2.SSL_ST_MASK
    if (w & m2.SSL_ST_CONNECT):
        state = "SSL connect"
    elif (w & m2.SSL_ST_ACCEPT):
        state = "SSL accept"
    else:
        state = "SSL state unknown"

if (where & m2.SSL_CB_LOOP):
        sys.stderr.write("LOOP: %s: %s\n" % (state, m2.ssl_get_state_v(ssl_ptr)))
        sys.stderr.flush()
        return

if (where & m2.SSL_CB_EXIT):
        if not ret:
            sys.stderr.write("FAILED: %s: %s\n" % (state, m2.ssl_get_state_v(ssl_ptr)))
            sys.stderr.flush()
        else:
            sys.stderr.write("INFO: %s: %s\n" % (state, m2.ssl_get_state_v(ssl_ptr)))
            sys.stderr.flush()
        return

if (where & m2.SSL_CB_ALERT):
        if (where & m2.SSL_CB_READ):
            w = 'read'
        else:
            w = 'write'
        sys.stderr.write("ALERT: %s: %s: %s\n" % \
            (w, m2.ssl_get_alert_type_v(ret), m2.ssl_get_alert_desc_v(ret)))
        sys.stderr.flush()
        return