Re: [PATCH] selftests/sgx: Fix OpenSSL deprecated warning for ERR_get_error_line

[Jarkko Sakkinen <jarkko@kernel.org>]

On Mon, Aug 29, 2022 at 03:15:30PM +0300, Jarkko Sakkinen wrote:
> On Sun, Aug 28, 2022 at 11:48:59AM +0530, Dhanuka Warusadura wrote:
> > These changes fix the "error: ‘ERR_get_error_line’ is deprecated:
> > Since OpenSSL 3.0" warning.
> > 
> > Signed-off-by: Dhanuka Warusadura <wdnuka@gmail.com>
> > ---
> >  tools/testing/selftests/sgx/sigstruct.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/tools/testing/selftests/sgx/sigstruct.c b/tools/testing/selftests/sgx/sigstruct.c
> > index 50c5ab1aa6fa..671d9b58e274 100644
> > --- a/tools/testing/selftests/sgx/sigstruct.c
> > +++ b/tools/testing/selftests/sgx/sigstruct.c
> > @@ -136,7 +136,7 @@ static bool check_crypto_errors(void)
> >  			break;
> >  
> >  		had_errors = true;
> > -		err = ERR_get_error_line(&filename, &line);
> > +		err = ERR_peek_last_error_line(&filename, &line);
> >  		ERR_error_string_n(err, str, sizeof(str));
> >  		fprintf(stderr, "crypto: %s: %s:%d\n", str, filename, line);
> >  	}
> > -- 
> > 2.37.2
> > 
> 
> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>

Actually NAK.

This fix is not complete:

sigstruct.c: In function ‘get_modulus’:
sigstruct.c:151:9: error: ‘RSA_get0_key’ is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
  151 |         RSA_get0_key(key, &n, NULL, NULL);
      |         ^~~~~~~~~~~~
In file included from /usr/include/openssl/x509.h:36,
                 from /usr/include/openssl/pem.h:23,
                 from sigstruct.c:16:
/usr/include/openssl/rsa.h:217:28: note: declared here
  217 | OSSL_DEPRECATEDIN_3_0 void RSA_get0_key(const RSA *r,
      |                            ^~~~~~~~~~~~
sigstruct.c: In function ‘gen_sign_key’:
sigstruct.c:168:9: error: ‘PEM_read_bio_RSAPrivateKey’ is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declaration
]
  168 |         key = PEM_read_bio_RSAPrivateKey(bio, NULL, NULL, NULL);
      |         ^~~
/usr/include/openssl/pem.h:447:1: note: declared here
  447 | DECLARE_PEM_rw_cb_attr(OSSL_DEPRECATEDIN_3_0, RSAPrivateKey, RSA)
      | ^~~~~~~~~~~~~~~~~~~~~~
sigstruct.c: In function ‘encl_measure’:
sigstruct.c:364:9: error: ‘RSA_sign’ is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
  364 |         if (!RSA_sign(NID_sha256, digest, SHA256_DIGEST_LENGTH,
      |         ^~
/usr/include/openssl/rsa.h:348:27: note: declared here
  348 | OSSL_DEPRECATEDIN_3_0 int RSA_sign(int type, const unsigned char *m,
      |                           ^~~~~~~~
sigstruct.c:377:9: error: ‘RSA_free’ is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
  377 |         RSA_free(key);
      |         ^~~~~~~~
/usr/include/openssl/rsa.h:293:28: note: declared here
  293 | OSSL_DEPRECATEDIN_3_0 void RSA_free(RSA *r);
      |                            ^~~~~~~~
sigstruct.c:382:9: error: ‘RSA_free’ is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
  382 |         RSA_free(key);
      |         ^~~~~~~~
/usr/include/openssl/rsa.h:293:28: note: declared here
  293 | OSSL_DEPRECATEDIN_3_0 void RSA_free(RSA *r);
      |                            ^~~~~~~~
cc1: all warnings being treated as errors
make: *** [Makefile:39: /home/jarkko/work/linux-sgx/tools/testing/selftests/sgx/sigstruct.o] Error 1

BR, Jarkko