Author: Brian Kearns <[email protected]>
Branch: stdlib-2.7.9
Changeset: r75040:f92139314948
Date: 2014-12-19 17:26 -0500
http://bitbucket.org/pypy/pypy/changeset/f92139314948/
Log: start working on _ssl
diff --git a/pypy/module/_ssl/__init__.py b/pypy/module/_ssl/__init__.py
--- a/pypy/module/_ssl/__init__.py
+++ b/pypy/module/_ssl/__init__.py
@@ -5,9 +5,19 @@
See the socket module for documentation."""
interpleveldefs = {
- 'sslwrap': 'interp_ssl.sslwrap',
- 'SSLError': 'interp_ssl.get_error(space)',
'_test_decode_cert': 'interp_ssl._test_decode_cert',
+ 'txt2obj': 'interp_ssl.txt2obj',
+ 'nid2obj': 'interp_ssl.nid2obj',
+
+ 'SSLError': "interp_ssl.get_exception_class(space, 'w_sslerror')",
+ 'SSLZeroReturnError': "interp_ssl.get_exception_class(space,
'w_sslzeroreturnerror')",
+ 'SSLWantReadError': "interp_ssl.get_exception_class(space,
'w_sslwantreaderror')",
+ 'SSLWantWriteError': "interp_ssl.get_exception_class(space,
'w_sslwantwriteerror')",
+ 'SSLSyscallError': "interp_ssl.get_exception_class(space,
'w_sslsyscallerror')",
+ 'SSLEOFError': "interp_ssl.get_exception_class(space,
'w_ssleoferror')",
+
+ '_SSLSocket': 'interp_ssl._SSLSocket',
+ '_SSLContext': 'interp_ssl._SSLContext',
}
appleveldefs = {
diff --git a/pypy/module/_ssl/interp_ssl.py b/pypy/module/_ssl/interp_ssl.py
--- a/pypy/module/_ssl/interp_ssl.py
+++ b/pypy/module/_ssl/interp_ssl.py
@@ -4,7 +4,7 @@
from rpython.rtyper.lltypesystem import lltype, rffi
from pypy.interpreter.baseobjspace import W_Root
-from pypy.interpreter.error import OperationError
+from pypy.interpreter.error import OperationError, oefmt
from pypy.interpreter.gateway import interp2app, unwrap_spec
from pypy.interpreter.typedef import TypeDef
from pypy.module._socket import interp_socket
@@ -50,6 +50,16 @@
constants["CERT_OPTIONAL"] = PY_SSL_CERT_OPTIONAL
constants["CERT_REQUIRED"] = PY_SSL_CERT_REQUIRED
+constants["VERIFY_DEFAULT"] = 0
+constants["VERIFY_CRL_CHECK_LEAF"] = X509_V_FLAG_CRL_CHECK
+constants["VERIFY_CRL_CHECK_CHAIN"] =
X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL
+constants["VERIFY_X509_STRICT"] = X509_V_FLAG_X509_STRICT
+
+constants["HAS_SNI"] = HAS_SNI
+constants["HAS_TLS_UNIQUE"] = HAVE_OPENSSL_FINISHED
+constants["HAS_ECDH"] = not OPENSSL_NO_ECDH
+constants["HAS_NPN"] = OPENSSL_NPN_NEGOTIATED
+
if not OPENSSL_NO_SSL2:
constants["PROTOCOL_SSLv2"] = PY_SSL_VERSION_SSL2
if not OPENSSL_NO_SSL3:
@@ -64,11 +74,13 @@
ver, fix = divmod(ver, 256)
ver, minor = divmod(ver, 256)
ver, major = divmod(ver, 256)
-constants["OPENSSL_VERSION_INFO"] = (major, minor, fix, patch, status)
+version_info = (major, minor, fix, patch, status)
+constants["OPENSSL_VERSION_INFO"] = version_info
+constants["_OPENSSL_API_VERSION"] = version_info
constants["OPENSSL_VERSION"] = SSLEAY_VERSION
-def ssl_error(space, msg, errno=0):
- w_exception_class = get_error(space)
+def ssl_error(space, msg, errno=0, exc='w_sslerror'):
+ w_exception_class = get_exception_class(space, exc)
w_exception = space.call_function(w_exception_class,
space.wrap(errno), space.wrap(msg))
return OperationError(w_exception_class, w_exception)
@@ -111,41 +123,54 @@
return space.wrap(bytes)
-class SSLObject(W_Root):
- def __init__(self, space):
+class _SSLSocket(W_Root):
+ @staticmethod
+ def descr_new(space, sslctx, w_sock, socket_type, hostname, w_ssl_sock):
+ self = _SSLSocket()
+
self.space = space
- self.w_socket = None
- self.ctx = lltype.nullptr(SSL_CTX.TO)
- self.ssl = lltype.nullptr(SSL.TO)
+ self.ctx = sslctx
self.peer_cert = lltype.nullptr(X509.TO)
- self._server = lltype.malloc(rffi.CCHARP.TO, X509_NAME_MAXLEN,
- flavor='raw')
- self._server[0] = '\0'
- self._issuer = lltype.malloc(rffi.CCHARP.TO, X509_NAME_MAXLEN,
- flavor='raw')
- self._issuer[0] = '\0'
self.shutdown_seen_zero = False
+ self.handshake_done = False
- def server(self, space):
- return space.wrap(rffi.charp2str(self._server))
+ sock_fd = space.int_w(space.call_method(w_sock, "fileno"))
+ self.ssl = libssl_SSL_new(sslctx.ctx) # new ssl struct
+ libssl_SSL_set_fd(self.ssl, sock_fd) # set the socket for SSL
+ # The ACCEPT_MOVING_WRITE_BUFFER flag is necessary because the address
+ # of a str object may be changed by the garbage collector.
+ libssl_SSL_set_mode(
+ self.ssl, SSL_MODE_AUTO_RETRY |
SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER)
- def issuer(self, space):
- return space.wrap(rffi.charp2str(self._issuer))
+ # If the socket is in non-blocking mode or timeout mode, set the BIO
+ # to non-blocking mode (blocking is the default)
+ w_timeout = space.call_method(w_sock, "gettimeout")
+ has_timeout = not space.is_none(w_timeout)
+ if has_timeout:
+ # Set both the read and write BIO's to non-blocking mode
+ libssl_BIO_set_nbio(libssl_SSL_get_rbio(self.ssl), 1)
+ libssl_BIO_set_nbio(libssl_SSL_get_wbio(self.ssl), 1)
+
+ if socket_type == PY_SSL_CLIENT:
+ libssl_SSL_set_connect_state(self.ssl)
+ else:
+ libssl_SSL_set_accept_state(self.ssl)
+
+ self.socket_type = socket_type
+ self.w_socket = w_sock
+ self.w_ssl_sock = None
+ return self
def __del__(self):
- self.enqueue_for_destruction(self.space, SSLObject.destructor,
+ self.enqueue_for_destruction(self.space, _SSLSocket.destructor,
'__del__() method of ')
def destructor(self):
- assert isinstance(self, SSLObject)
+ assert isinstance(self, _SSLSocket)
if self.peer_cert:
libssl_X509_free(self.peer_cert)
if self.ssl:
libssl_SSL_free(self.ssl)
- if self.ctx:
- libssl_SSL_CTX_free(self.ctx)
- lltype.free(self._server, flavor='raw')
- lltype.free(self._issuer, flavor='raw')
@unwrap_spec(data='bufferstr')
def write(self, space, data):
@@ -205,7 +230,7 @@
return space.wrap(count)
@unwrap_spec(num_bytes=int)
- def read(self, space, num_bytes=1024):
+ def read(self, space, num_bytes):
"""read([len]) -> string
Read up to len bytes from the SSL socket."""
@@ -300,13 +325,7 @@
if self.peer_cert:
libssl_X509_free(self.peer_cert)
self.peer_cert = libssl_SSL_get_peer_certificate(self.ssl)
- if self.peer_cert:
- libssl_X509_NAME_oneline(
- libssl_X509_get_subject_name(self.peer_cert),
- self._server, X509_NAME_MAXLEN)
- libssl_X509_NAME_oneline(
- libssl_X509_get_issuer_name(self.peer_cert),
- self._issuer, X509_NAME_MAXLEN)
+ self.handshake_done = True
def shutdown(self, space):
# Guard against closed socket
@@ -625,110 +644,17 @@
return space.newtuple([w_name, w_value])
-SSLObject.typedef = TypeDef("SSLObject",
- server = interp2app(SSLObject.server),
- issuer = interp2app(SSLObject.issuer),
- write = interp2app(SSLObject.write),
- pending = interp2app(SSLObject.pending),
- read = interp2app(SSLObject.read),
- do_handshake = interp2app(SSLObject.do_handshake),
- shutdown = interp2app(SSLObject.shutdown),
- cipher = interp2app(SSLObject.cipher),
- peer_certificate = interp2app(SSLObject.peer_certificate),
+_SSLSocket.typedef = TypeDef("_SSLSocket",
+ do_handshake = interp2app(_SSLSocket.do_handshake),
+ write = interp2app(_SSLSocket.write),
+ read = interp2app(_SSLSocket.read),
+ pending = interp2app(_SSLSocket.pending),
+ peer_certificate = interp2app(_SSLSocket.peer_certificate),
+ cipher = interp2app(_SSLSocket.cipher),
+ shutdown = interp2app(_SSLSocket.shutdown),
)
-def new_sslobject(space, w_sock, side, w_key_file, w_cert_file,
- cert_mode, protocol, w_cacerts_file, w_ciphers):
- ss = SSLObject(space)
-
- sock_fd = space.int_w(space.call_method(w_sock, "fileno"))
- w_timeout = space.call_method(w_sock, "gettimeout")
- has_timeout = not space.is_none(w_timeout)
- key_file = space.str_or_None_w(w_key_file)
- cert_file = space.str_or_None_w(w_cert_file)
- cacerts_file = space.str_or_None_w(w_cacerts_file)
- ciphers = space.str_or_None_w(w_ciphers)
-
- if side == PY_SSL_SERVER and (not key_file or not cert_file):
- raise ssl_error(space, "Both the key & certificate files "
- "must be specified for server-side operation")
-
- # set up context
- if protocol == PY_SSL_VERSION_TLS1:
- method = libssl_TLSv1_method()
- elif protocol == PY_SSL_VERSION_SSL3 and not OPENSSL_NO_SSL3:
- method = libssl_SSLv3_method()
- elif protocol == PY_SSL_VERSION_SSL2 and not OPENSSL_NO_SSL2:
- method = libssl_SSLv2_method()
- elif protocol == PY_SSL_VERSION_SSL23:
- method = libssl_SSLv23_method()
- else:
- raise ssl_error(space, "Invalid SSL protocol variant specified")
- ss.ctx = libssl_SSL_CTX_new(method)
- if not ss.ctx:
- raise ssl_error(space, "Could not create SSL context")
-
- if ciphers:
- ret = libssl_SSL_CTX_set_cipher_list(ss.ctx, ciphers)
- if ret == 0:
- raise ssl_error(space, "No cipher can be selected.")
-
- if cert_mode != PY_SSL_CERT_NONE:
- if not cacerts_file:
- raise ssl_error(space,
- "No root certificates specified for "
- "verification of other-side certificates.")
- ret = libssl_SSL_CTX_load_verify_locations(ss.ctx, cacerts_file, None)
- if ret != 1:
- raise _ssl_seterror(space, None, 0)
-
- if key_file:
- ret = libssl_SSL_CTX_use_PrivateKey_file(ss.ctx, key_file,
- SSL_FILETYPE_PEM)
- if ret < 1:
- raise ssl_error(space, "SSL_CTX_use_PrivateKey_file error")
-
- ret = libssl_SSL_CTX_use_certificate_chain_file(ss.ctx, cert_file)
- if ret < 1:
- raise ssl_error(space, "SSL_CTX_use_certificate_chain_file error")
-
- # ssl compatibility
- options = SSL_OP_ALL & ~SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
- if protocol != PY_SSL_VERSION_SSL2:
- # SSLv2 is extremely broken, don't use it unless a user specifically
- # requests it
- options |= SSL_OP_NO_SSLv2
- libssl_SSL_CTX_set_options(ss.ctx, options)
-
- verification_mode = SSL_VERIFY_NONE
- if cert_mode == PY_SSL_CERT_OPTIONAL:
- verification_mode = SSL_VERIFY_PEER
- elif cert_mode == PY_SSL_CERT_REQUIRED:
- verification_mode = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT
- libssl_SSL_CTX_set_verify(ss.ctx, verification_mode, None)
- ss.ssl = libssl_SSL_new(ss.ctx) # new ssl struct
- libssl_SSL_set_fd(ss.ssl, sock_fd) # set the socket for SSL
- # The ACCEPT_MOVING_WRITE_BUFFER flag is necessary because the address
- # of a str object may be changed by the garbage collector.
- libssl_SSL_set_mode(
- ss.ssl, SSL_MODE_AUTO_RETRY | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER)
-
- # If the socket is in non-blocking mode or timeout mode, set the BIO
- # to non-blocking mode (blocking is the default)
- if has_timeout:
- # Set both the read and write BIO's to non-blocking mode
- libssl_BIO_set_nbio(libssl_SSL_get_rbio(ss.ssl), 1)
- libssl_BIO_set_nbio(libssl_SSL_get_wbio(ss.ssl), 1)
-
- if side == PY_SSL_CLIENT:
- libssl_SSL_set_connect_state(ss.ssl)
- else:
- libssl_SSL_set_accept_state(ss.ssl)
-
- ss.w_socket = w_sock
- return ss
-
def checkwait(space, w_sock, writing):
"""If the socket has a timeout, do a select()/poll() on the socket.
The argument writing indicates the direction.
@@ -843,24 +769,25 @@
return ssl_error(space, errstr, errval)
-@unwrap_spec(side=int, cert_mode=int, protocol=int)
-def sslwrap(space, w_socket, side, w_key_file=None, w_cert_file=None,
- cert_mode=PY_SSL_CERT_NONE, protocol=PY_SSL_VERSION_SSL23,
- w_cacerts_file=None, w_ciphers=None):
- """sslwrap(socket, side, [keyfile, certfile]) -> sslobject"""
- return space.wrap(new_sslobject(
- space, w_socket, side, w_key_file, w_cert_file,
- cert_mode, protocol,
- w_cacerts_file, w_ciphers))
-
class Cache:
def __init__(self, space):
w_socketerror = interp_socket.get_error(space, "error")
- self.w_error = space.new_exception_class(
+ self.w_sslerror = space.new_exception_class(
"_ssl.SSLError", w_socketerror)
+ self.w_sslzeroreturnerror = space.new_exception_class(
+ "_ssl.SSLZeroReturnError", self.w_sslerror)
+ self.w_sslwantreaderror = space.new_exception_class(
+ "_ssl.SSLWantReadError", self.w_sslerror)
+ self.w_sslwantwriteerror = space.new_exception_class(
+ "_ssl.SSLWantWriteError", self.w_sslerror)
+ self.w_sslsyscallerror = space.new_exception_class(
+ "_ssl.SSLSyscallError", self.w_sslerror)
+ self.w_ssleoferror = space.new_exception_class(
+ "_ssl.SSLEOFError", self.w_sslerror)
-def get_error(space):
- return space.fromcache(Cache).w_error
+def get_exception_class(space, name):
+ return getattr(space.fromcache(Cache), name)
+
@unwrap_spec(filename=str, verbose=bool)
def _test_decode_cert(space, filename, verbose=True):
@@ -882,3 +809,76 @@
libssl_X509_free(x)
finally:
libssl_BIO_free(cert)
+
+
+class _SSLContext(W_Root):
+ @staticmethod
+ @unwrap_spec(protocol=int)
+ def descr_new(space, w_subtype, protocol):
+ if protocol == PY_SSL_VERSION_TLS1:
+ method = libssl_TLSv1_method()
+ elif protocol == PY_SSL_VERSION_SSL3 and not OPENSSL_NO_SSL3:
+ method = libssl_SSLv3_method()
+ elif protocol == PY_SSL_VERSION_SSL2 and not OPENSSL_NO_SSL2:
+ method = libssl_SSLv2_method()
+ elif protocol == PY_SSL_VERSION_SSL23:
+ method = libssl_SSLv23_method()
+ else:
+ raise ssl_error(space, "invalid protocol version")
+ ctx = libssl_SSL_CTX_new(method)
+ if not ctx:
+ raise ssl_error(space, "failed to allocate SSL context")
+
+ self = space.allocate_instance(_SSLContext, w_subtype)
+ self.ctx = ctx
+ return self
+
+ @unwrap_spec(server_side=int)
+ def descr_wrap_socket(self, space, w_sock, server_side,
w_server_hostname=None, w_ssl_sock=None):
+ return _SSLSocket.descr_new(space, self, w_sock, server_side,
w_server_hostname, w_ssl_sock)
+
+ @unwrap_spec(cipherlist=str)
+ def descr_set_ciphers(self, space, cipherlist):
+ ret = libssl_SSL_CTX_set_cipher_list(self.ctx, cipherlist)
+ if ret == 0:
+ libssl_ERR_clear_error()
+ raise ssl_error(space, "No cipher can be selected.")
+
+_SSLContext.typedef = TypeDef("_SSLContext",
+ __module__ = "_ssl",
+ __new__ = interp2app(_SSLContext.descr_new),
+ _wrap_socket = interp2app(_SSLContext.descr_wrap_socket),
+ set_ciphers = interp2app(_SSLContext.descr_set_ciphers),
+)
+
+
+def _asn1obj2py(space, obj):
+ nid = libssl_OBJ_obj2nid(obj)
+ if nid == NID_undef:
+ raise oefmt(space.w_ValueError, "Unknown object")
+ with rffi.scoped_alloc_buffer(100) as buf:
+ buflen = libssl_OBJ_obj2txt(buf.raw, 100, obj, 1)
+ if buflen < 0:
+ raise _ssl_seterror(space, None, 0)
+ if buflen:
+ w_buf = space.wrap(buf.str(buflen))
+ else:
+ w_buf = space.w_None
+ w_sn = space.wrap(rffi.charp2str(libssl_OBJ_nid2sn(nid)))
+ w_ln = space.wrap(rffi.charp2str(libssl_OBJ_nid2ln(nid)))
+ return space.newtuple([space.wrap(nid), w_sn, w_ln, w_buf])
+
+
+@unwrap_spec(txt=str, name=bool)
+def txt2obj(space, txt, name=False):
+ obj = libssl_OBJ_txt2obj(txt, name)
+ if not obj:
+ raise oefmt(space.w_ValueError, "unknown object '%s'", txt)
+ result = _asn1obj2py(space, obj)
+ libssl_ASN1_OBJECT_free(obj)
+ return result
+
+
+@unwrap_spec(nid=int)
+def nid2obj(space, nid):
+ return space.newtuple([])
diff --git a/pypy/module/_ssl/test/test_ssl.py
b/pypy/module/_ssl/test/test_ssl.py
--- a/pypy/module/_ssl/test/test_ssl.py
+++ b/pypy/module/_ssl/test/test_ssl.py
@@ -130,20 +130,6 @@
self.s.close()
del ss; gc.collect()
- def test_server(self):
- import socket, gc
- ss = socket.ssl(self.s)
- assert isinstance(ss.server(), str)
- self.s.close()
- del ss; gc.collect()
-
- def test_issuer(self):
- import socket, gc
- ss = socket.ssl(self.s)
- assert isinstance(ss.issuer(), str)
- self.s.close()
- del ss; gc.collect()
-
def test_write(self):
import socket, gc
ss = socket.ssl(self.s)
@@ -157,9 +143,10 @@
def test_read(self):
import socket, gc
ss = socket.ssl(self.s)
+ raises(TypeError, ss.read)
raises(TypeError, ss.read, "foo")
ss.write("hello\n")
- data = ss.read()
+ data = ss.read(10)
assert isinstance(data, str)
self.s.close()
del ss; gc.collect()
diff --git a/rpython/rlib/ropenssl.py b/rpython/rlib/ropenssl.py
--- a/rpython/rlib/ropenssl.py
+++ b/rpython/rlib/ropenssl.py
@@ -69,6 +69,8 @@
"SSLEAY_VERSION", "SSLeay_version(SSLEAY_VERSION)")
OPENSSL_NO_SSL2 = rffi_platform.Defined("OPENSSL_NO_SSL2")
OPENSSL_NO_SSL3 = rffi_platform.Defined("OPENSSL_NO_SSL3")
+ OPENSSL_NO_ECDH = rffi_platform.Defined("OPENSSL_NO_ECDH")
+ OPENSSL_NPN_NEGOTIATED = rffi_platform.Defined("OPENSSL_NPN_NEGOTIATED")
SSL_FILETYPE_PEM = rffi_platform.ConstantInteger("SSL_FILETYPE_PEM")
SSL_OP_ALL = rffi_platform.ConstantInteger("SSL_OP_ALL")
SSL_OP_NO_SSLv2 = rffi_platform.ConstantInteger("SSL_OP_NO_SSLv2")
@@ -80,6 +82,9 @@
SSL_VERIFY_NONE = rffi_platform.ConstantInteger("SSL_VERIFY_NONE")
SSL_VERIFY_PEER = rffi_platform.ConstantInteger("SSL_VERIFY_PEER")
SSL_VERIFY_FAIL_IF_NO_PEER_CERT =
rffi_platform.ConstantInteger("SSL_VERIFY_FAIL_IF_NO_PEER_CERT")
+ X509_V_FLAG_CRL_CHECK =
rffi_platform.ConstantInteger("X509_V_FLAG_CRL_CHECK")
+ X509_V_FLAG_CRL_CHECK_ALL =
rffi_platform.ConstantInteger("X509_V_FLAG_CRL_CHECK_ALL")
+ X509_V_FLAG_X509_STRICT =
rffi_platform.ConstantInteger("X509_V_FLAG_X509_STRICT")
SSL_ERROR_WANT_READ = rffi_platform.ConstantInteger(
"SSL_ERROR_WANT_READ")
SSL_ERROR_WANT_WRITE = rffi_platform.ConstantInteger(
@@ -97,6 +102,7 @@
SSL_MODE_AUTO_RETRY = rffi_platform.ConstantInteger("SSL_MODE_AUTO_RETRY")
SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER =
rffi_platform.ConstantInteger("SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER")
+ NID_undef = rffi_platform.ConstantInteger("NID_undef")
NID_subject_alt_name =
rffi_platform.ConstantInteger("NID_subject_alt_name")
GEN_DIRNAME = rffi_platform.ConstantInteger("GEN_DIRNAME")
GEN_EMAIL = rffi_platform.ConstantInteger("GEN_EMAIL")
@@ -173,7 +179,10 @@
OBJ_NAME = rffi.CArrayPtr(OBJ_NAME_st)
HAVE_OPENSSL_RAND = OPENSSL_VERSION_NUMBER >= 0x0090500f
+HAVE_OPENSSL_FINISHED = OPENSSL_VERSION_NUMBER >= 0x0090500f
HAVE_SSL_CTX_CLEAR_OPTIONS = OPENSSL_VERSION_NUMBER >= 0x009080df
+if OPENSSL_VERSION_NUMBER < 0x0090800f and not OPENSSL_NO_ECDH:
+ OPENSSL_NO_ECDH = True
def external(name, argtypes, restype, **kw):
kw['compilation_info'] = eci
@@ -265,6 +274,11 @@
ssl_external('OBJ_obj2txt',
[rffi.CCHARP, rffi.INT, ASN1_OBJECT, rffi.INT], rffi.INT)
+ssl_external('OBJ_obj2nid', [ASN1_OBJECT], rffi.INT)
+ssl_external('OBJ_nid2sn', [rffi.INT], rffi.CCHARP)
+ssl_external('OBJ_nid2ln', [rffi.INT], rffi.CCHARP)
+ssl_external('OBJ_txt2obj', [rffi.CCHARP, rffi.INT], ASN1_OBJECT)
+ssl_external('ASN1_OBJECT_free', [ASN1_OBJECT], lltype.Void)
ssl_external('ASN1_STRING_data', [ASN1_STRING], rffi.CCHARP)
ssl_external('ASN1_STRING_length', [ASN1_STRING], rffi.INT)
ssl_external('ASN1_STRING_to_UTF8', [rffi.CCHARPP, ASN1_STRING], rffi.INT)
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