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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import pytest
from cryptography.exceptions import InternalError
from cryptography.hazmat.bindings._rust import openssl as rust_openssl
from cryptography.hazmat.bindings.openssl.binding import (
Binding,
_openssl_assert,
_verify_package_version,
)
class TestOpenSSL:
def test_binding_loads(self):
binding = Binding()
assert binding
assert binding.lib
assert binding.ffi
def test_ssl_ctx_options(self):
# Test that we're properly handling 32-bit unsigned on all platforms.
b = Binding()
# SSL_OP_ALL is 0 on BoringSSL
if not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL:
assert b.lib.SSL_OP_ALL > 0
ctx = b.lib.SSL_CTX_new(b.lib.TLS_method())
assert ctx != b.ffi.NULL
ctx = b.ffi.gc(ctx, b.lib.SSL_CTX_free)
current_options = b.lib.SSL_CTX_get_options(ctx)
resp = b.lib.SSL_CTX_set_options(ctx, b.lib.SSL_OP_ALL)
expected_options = current_options | b.lib.SSL_OP_ALL
assert resp == expected_options
assert b.lib.SSL_CTX_get_options(ctx) == expected_options
def test_ssl_options(self):
# Test that we're properly handling 32-bit unsigned on all platforms.
b = Binding()
# SSL_OP_ALL is 0 on BoringSSL
if not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL:
assert b.lib.SSL_OP_ALL > 0
ctx = b.lib.SSL_CTX_new(b.lib.TLS_method())
assert ctx != b.ffi.NULL
ctx = b.ffi.gc(ctx, b.lib.SSL_CTX_free)
ssl = b.lib.SSL_new(ctx)
ssl = b.ffi.gc(ssl, b.lib.SSL_free)
current_options = b.lib.SSL_get_options(ssl)
resp = b.lib.SSL_set_options(ssl, b.lib.SSL_OP_ALL)
expected_options = current_options | b.lib.SSL_OP_ALL
assert resp == expected_options
assert b.lib.SSL_get_options(ssl) == expected_options
def test_conditional_removal(self):
b = Binding()
if not rust_openssl.CRYPTOGRAPHY_IS_LIBRESSL:
assert b.lib.TLS_ST_OK
else:
with pytest.raises(AttributeError):
b.lib.TLS_ST_OK
def test_openssl_assert_error_on_stack(self):
b = Binding()
b.lib.ERR_put_error(
b.lib.ERR_LIB_EVP,
b.lib.EVP_F_EVP_ENCRYPTFINAL_EX,
b.lib.EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH,
b"",
-1,
)
with pytest.raises(InternalError) as exc_info:
_openssl_assert(False)
error = exc_info.value.err_code[0]
assert error.lib == b.lib.ERR_LIB_EVP
assert error.reason == b.lib.EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH
if not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL:
assert b"data not multiple of block length" in error.reason_text
def test_version_mismatch(self):
with pytest.raises(ImportError):
_verify_package_version("nottherightversion")
def test_rust_internal_error(self):
with pytest.raises(InternalError) as exc_info:
rust_openssl.raise_openssl_error()
assert len(exc_info.value.err_code) == 0
b = Binding()
b.lib.ERR_put_error(
b.lib.ERR_LIB_EVP,
b.lib.EVP_F_EVP_ENCRYPTFINAL_EX,
b.lib.EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH,
b"",
-1,
)
with pytest.raises(InternalError) as exc_info:
rust_openssl.raise_openssl_error()
error = exc_info.value.err_code[0]
assert error.lib == b.lib.ERR_LIB_EVP
assert error.reason == b.lib.EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH
if not rust_openssl.CRYPTOGRAPHY_IS_BORINGSSL:
assert b"data not multiple of block length" in error.reason_text
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