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bpo-43799: OpenSSL 3.0.0: declare OPENSSL_API_COMPAT 1.1.1 (GH-25329) by tiran · Pull Request #25329 · python/cpython · GitHub

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bpo-43799: OpenSSL 3.0.0: declare OPENSSL_API_COMPAT 1.1.1 (GH-25329) #25329

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Merged
tiran merged 1 commit into from
Apr 13, 2021
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bpo-43799: OpenSSL 3.0.0: declare OPENSSL_API_COMPAT 1.1.1 (GH-25329) #25329

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Library/2021-04-10-11-35-50.bpo-43799.1iV4pX.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
OpenSSL 3.0.0: define ``OPENSSL_API_COMPAT`` 1.1.1 to suppress deprecation
warnings. Python requires OpenSSL 1.1.1 APIs.
15 changes: 10 additions & 5 deletions Modules/_hashopenssl.c
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Expand Up @@ -11,20 +11,26 @@
*
*/

/* Don't warn about deprecated functions, */
#ifndef OPENSSL_API_COMPAT
// 0x10101000L == 1.1.1, 30000 == 3.0.0
#define OPENSSL_API_COMPAT 0x10101000L
#endif
#define OPENSSL_NO_DEPRECATED 1

#define PY_SSIZE_T_CLEAN

#include "Python.h"
#include "hashlib.h"
#include "pystrhex.h"


/* EVP is the preferred interface to hashing in OpenSSL */
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/crypto.h>
/* We use the object interface to discover what hashes OpenSSL supports. */
#include <openssl/objects.h>
#include "openssl/err.h"
#include <openssl/err.h>

#include <openssl/crypto.h> // FIPS_mode()

Expand Down Expand Up @@ -1862,12 +1868,11 @@ _hashlib_get_fips_mode_impl(PyObject *module)
/*[clinic end generated code: output=87eece1bab4d3fa9 input=2db61538c41c6fef]*/

{
int result;
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
result = EVP_default_properties_is_fips_enabled(NULL);
return EVP_default_properties_is_fips_enabled(NULL);
#else
ERR_clear_error();
result = FIPS_mode();
int result = FIPS_mode();
if (result == 0) {
// "If the library was built without support of the FIPS Object Module,
// then the function will return 0 with an error code of
Expand Down
33 changes: 14 additions & 19 deletions Modules/_ssl.c
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Expand Up @@ -14,6 +14,13 @@
http://bugs.python.org/issue8108#msg102867 ?
*/

/* Don't warn about deprecated functions, */
#ifndef OPENSSL_API_COMPAT
// 0x10101000L == 1.1.1, 30000 == 3.0.0
#define OPENSSL_API_COMPAT 0x10101000L
#endif
#define OPENSSL_NO_DEPRECATED 1

#define PY_SSIZE_T_CLEAN

#include "Python.h"
Expand Down Expand Up @@ -43,14 +50,6 @@ static PySocketModule_APIObject PySocketModule;
#include <sys/poll.h>
#endif

/* Don't warn about deprecated functions */
#ifdef __GNUC__
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#ifdef __clang__
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif

/* Include OpenSSL header files */
#include "openssl/rsa.h"
#include "openssl/crypto.h"
Expand Down Expand Up @@ -148,24 +147,20 @@ static void _PySSLFixErrno(void) {
# define PY_OPENSSL_1_1_API 1
#endif

/* OpenSSL API compat */
#ifdef OPENSSL_API_COMPAT
#if OPENSSL_API_COMPAT >= 0x10100000L

/* OpenSSL API 1.1.0+ does not include version methods */
/* OpenSSL API 1.1.0+ does not include version methods. Define the methods
* unless OpenSSL is compiled without the methods. It's the easiest way to
* make 1.0.2, 1.1.0, 1.1.1, and 3.0.0 happy without deprecation warnings.
*/
#ifndef OPENSSL_NO_TLS1_METHOD
#define OPENSSL_NO_TLS1_METHOD 1
extern const SSL_METHOD *TLSv1_method(void);
#endif
#ifndef OPENSSL_NO_TLS1_1_METHOD
#define OPENSSL_NO_TLS1_1_METHOD 1
extern const SSL_METHOD *TLSv1_1_method(void);
#endif
#ifndef OPENSSL_NO_TLS1_2_METHOD
#define OPENSSL_NO_TLS1_2_METHOD 1
extern const SSL_METHOD *TLSv1_2_method(void);
#endif

#endif /* >= 1.1.0 compcat */
#endif /* OPENSSL_API_COMPAT */

/* LibreSSL 2.7.0 provides necessary OpenSSL 1.1.0 APIs */
#if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER >= 0x2070000fL
# define PY_OPENSSL_1_1_API 1
Expand Down
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