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usr / lib64 / python2.6 / site-packages / M2Crypto / SSL /

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📄 Checker.py(8.27 KB)
📄 Checker.pyc(7.97 KB)
📄 Checker.pyo(7.97 KB)
📄 Cipher.py(1.04 KB)
📄 Cipher.pyc(2.81 KB)
📄 Cipher.pyo(2.81 KB)
📄 Connection.py(11.75 KB)
📄 Connection.pyc(18.84 KB)
📄 Connection.pyo(18.74 KB)
📄 Context.py(9.29 KB)
📄 Context.pyc(13.45 KB)
📄 Context.pyo(13.45 KB)
📄 SSLServer.py(1.45 KB)
📄 SSLServer.pyc(2.31 KB)
📄 SSLServer.pyo(2.31 KB)
📄 Session.py(1.47 KB)
📄 Session.pyc(3.31 KB)
📄 Session.pyo(3.27 KB)
📄 TwistedProtocolWrapper.py(15.01 KB)
📄 TwistedProtocolWrapper.pyc(14.03 KB)
📄 TwistedProtocolWrapper.pyo(13.9 KB)
📄 __init__.py(853 B)
📄 __init__.pyc(1.48 KB)
📄 __init__.pyo(1.48 KB)
📄 cb.py(2.3 KB)
📄 cb.pyc(2.58 KB)
📄 cb.pyo(2.58 KB)
📄 ssl_dispatcher.py(874 B)
📄 ssl_dispatcher.pyc(1.69 KB)
📄 ssl_dispatcher.pyo(1.69 KB)
📄 timeout.py(660 B)
📄 timeout.pyc(1.52 KB)
📄 timeout.pyo(1.52 KB)

Editing: cb.py

"""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

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Editing: cb.py

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