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[crypto,cert] add openssl3 support

This commit is contained in:
akallabeth 2023-04-25 08:44:55 +02:00 committed by Martin Fleisz
parent 9ebbeeb2f6
commit 6c38e20e4e
6 changed files with 128 additions and 11 deletions
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9
include/freerdp/crypto/certificate.h
View File

@ -30,6 +30,12 @@ extern "C"
{
#endif
enum FREERDP_CERT_PARAM
{
FREERDP_CERT_RSA_E,
FREERDP_CERT_RSA_N
};
typedef struct rdp_certificate rdpCertificate;
FREERDP_API rdpCertificate* freerdp_certificate_new(void);
@ -80,6 +86,9 @@ extern "C"
FREERDP_API BOOL freerdp_certificate_is_rdp_security_compatible(const rdpCertificate* cert);
FREERDP_API char* freerdp_certificate_get_param(const rdpCertificate* cert,
enum FREERDP_CERT_PARAM what, size_t* psize);
#ifdef __cplusplus
}
#endif

2
libfreerdp/crypto/cert_common.c
View File

@ -173,6 +173,7 @@ BOOL cert_info_read_exponent(rdpCertInfo* info, size_t size, wStream* s)
return TRUE;
}
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
X509* x509_from_rsa(const RSA* rsa)
{
EVP_PKEY* pubkey = NULL;
@ -205,3 +206,4 @@ fail:
EVP_PKEY_free(pubkey);
return x509;
}
#endif

2
libfreerdp/crypto/cert_common.h
View File

@ -42,7 +42,9 @@ extern "C"
FREERDP_LOCAL BOOL read_bignum(BYTE** dst, UINT32* length, const BIGNUM* num, BOOL alloc);
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
FREERDP_LOCAL X509* x509_from_rsa(const RSA* rsa);
#endif
#ifdef __cplusplus
}

117
libfreerdp/crypto/certificate.c
View File

@ -41,6 +41,10 @@
#include <openssl/pem.h>
#include <openssl/rsa.h>
#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR >= 3)
#include <openssl/core_names.h>
#endif
#include "certificate.h"
#include "cert_common.h"
#include "crypto.h"
@ -476,30 +480,59 @@ static BOOL update_x509_from_info(rdpCertificate* cert)
rdpCertInfo* info = &cert->cert_info;
RSA* rsa = RSA_new();
BIGNUM* e = BN_new();
BIGNUM* mod = BN_new();
if (!mod || !e || !rsa)
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
RSA* rsa = RSA_new();
if (!rsa)
goto fail;
#endif
if (!mod || !e)
goto fail;
if (!BN_bin2bn(info->Modulus, info->ModulusLength, mod))
goto fail;
if (!BN_bin2bn(info->exponent, sizeof(info->exponent), e))
goto fail;
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
const int rec = RSA_set0_key(rsa, mod, e, NULL);
if (rec != 1)
goto fail;
cert->x509 = x509_from_rsa(rsa);
#else
EVP_PKEY* pkey = EVP_PKEY_new();
if (!pkey)
goto fail2;
if (!EVP_PKEY_set_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, e))
goto fail2;
if (!EVP_PKEY_set_bn_param(pkey, OSSL_PKEY_PARAM_RSA_N, mod))
goto fail2;
cert->x509 = X509_new();
if (!cert->x509)
goto fail2;
if (X509_set_pubkey(cert->x509, pkey) != 1)
{
X509_free(cert->x509);
cert->x509 = NULL;
}
fail2:
EVP_PKEY_free(pkey);
#endif
if (!cert->x509)
goto fail;
rc = TRUE;
fail:
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
if (rsa)
RSA_free(rsa);
else
#endif
{
BN_free(mod);
BN_free(e);
@ -1103,6 +1136,8 @@ static BOOL freerdp_rsa_from_x509(rdpCertificate* cert)
EVP_PKEY* pubkey = X509_get0_pubkey(cert->x509);
if (!pubkey)
goto fail;
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
rsa = EVP_PKEY_get1_RSA(pubkey);
/* If this is not a RSA key return success */
@ -1116,13 +1151,26 @@ static BOOL freerdp_rsa_from_x509(rdpCertificate* cert)
const BIGNUM* rsa_n = NULL;
const BIGNUM* rsa_e = NULL;
RSA_get0_key(rsa, &rsa_n, &rsa_e, NULL);
#else
BIGNUM* rsa_n = NULL;
BIGNUM* rsa_e = NULL;
if (!EVP_PKEY_get_bn_param(pubkey, OSSL_PKEY_PARAM_RSA_E, &rsa_e))
goto fail;
if (!EVP_PKEY_get_bn_param(pubkey, OSSL_PKEY_PARAM_RSA_N, &rsa_n))
goto fail;
#endif
if (!rsa_n || !rsa_e)
goto fail;
if (!cert_info_create(&cert->cert_info, rsa_n, rsa_e))
goto fail;
rc = TRUE;
fail:
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
RSA_free(rsa);
#else
BN_free(rsa_n);
BN_free(rsa_e);
#endif
return rc;
}
@ -1132,7 +1180,7 @@ rdpCertificate* freerdp_certificate_new_from_der(const BYTE* data, size_t length
if (!cert || !data || (length == 0))
goto fail;
char* ptr = data;
const BYTE* ptr = data;
cert->x509 = d2i_X509(NULL, &ptr, length);
if (!cert->x509)
goto fail;
@ -1477,7 +1525,8 @@ X509* freerdp_certificate_get_x509(rdpCertificate* cert)
return cert->x509;
}
RSA* freerdp_certificate_get_RSA(const rdpCertificate* cert)
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
static RSA* freerdp_certificate_get_RSA(const rdpCertificate* cert)
{
WINPR_ASSERT(cert);
@ -1490,6 +1539,7 @@ RSA* freerdp_certificate_get_RSA(const rdpCertificate* cert)
return EVP_PKEY_get1_RSA(pubkey);
}
#endif
BYTE* freerdp_certificate_get_der(const rdpCertificate* cert, size_t* pLength)
{
@ -1535,3 +1585,62 @@ BOOL freerdp_certificate_is_rdp_security_compatible(const rdpCertificate* cert)
}
return TRUE;
}
char* freerdp_certificate_get_param(const rdpCertificate* cert, enum FREERDP_CERT_PARAM what,
size_t* psize)
{
WINPR_ASSERT(cert);
WINPR_ASSERT(psize);
*psize = 0;
#if !defined(OPENSSL_VERSION_MAJOR) || (OPENSSL_VERSION_MAJOR < 3)
const BIGNUM* bn = NULL;
RSA* rsa = freerdp_certificate_get_RSA(cert);
switch (what)
{
case FREERDP_CERT_RSA_E:
RSA_get0_key(rsa, NULL, &bn, NULL);
break;
case FREERDP_CERT_RSA_N:
RSA_get0_key(rsa, &bn, NULL, NULL);
break;
default:
RSA_free(rsa);
return NULL;
}
RSA_free(rsa);
#else
EVP_PKEY* pkey = X509_get0_pubkey(cert->x509);
if (!pkey)
return NULL;
BIGNUM* bn = NULL;
switch (what)
{
case FREERDP_CERT_RSA_E:
if (!EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_E, &bn))
return NULL;
break;
case FREERDP_CERT_RSA_N:
if (!EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_RSA_N, &bn))
return NULL;
break;
default:
return NULL;
}
#endif
const size_t bnsize = BN_num_bytes(bn);
char* rc = calloc(bnsize + 1, sizeof(char));
if (!rc)
goto fail;
BN_bn2bin(bn, rc);
*psize = bnsize;
fail:
#if defined(OPENSSL_VERSION_MAJOR) && (OPENSSL_VERSION_MAJOR < 3)
BN_free(bn);
#endif
return rc;
}

5
libfreerdp/crypto/certificate.h
View File

@ -57,9 +57,4 @@ FREERDP_LOCAL const rdpCertInfo* freerdp_certificate_get_info(const rdpCertifica
*/
FREERDP_LOCAL X509* freerdp_certificate_get_x509(rdpCertificate* certificate);
/** \brief returns a pointer to a RSA structure.
* Call RSA_free when done.
*/
FREERDP_LOCAL RSA* freerdp_certificate_get_RSA(const rdpCertificate* key);
#endif /* FREERDP_LIB_CORE_CERTIFICATE_H */

4
libfreerdp/emu/scard/smartcard_virtual_gids.c
View File

@ -292,7 +292,7 @@ create_failed:
return NULL;
}
static BOOL vgids_write_tlv(wStream* s, UINT16 tag, const BYTE* data, DWORD dataSize)
static BOOL vgids_write_tlv(wStream* s, UINT16 tag, const char* data, DWORD dataSize)
{
/* A maximum of 5 additional bytes is needed */
if (!Stream_EnsureRemainingCapacity(s, dataSize + 5))
@ -326,7 +326,7 @@ static BOOL vgids_write_tlv(wStream* s, UINT16 tag, const BYTE* data, DWORD data
return TRUE;
}
static BOOL vgids_ef_write_do(vgidsEF* ef, UINT16 doID, const BYTE* data, DWORD dataSize)
static BOOL vgids_ef_write_do(vgidsEF* ef, UINT16 doID, const char* data, DWORD dataSize)
{
/* Write DO to end of file: 2-Byte ID, 1-Byte Len, Data */
return vgids_write_tlv(ef->data, doID, data, dataSize);