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avformat/tls_openssl: don't expose deprecated EC_KEY outside of its function

This commit is contained in:
Timo Rothenpieler
2025-07-13 21:05:44 +02:00
parent 5339db2cf4
commit 40ce64eae7

View File

@@ -235,7 +235,7 @@ end:
return ret; return ret;
} }
static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey) static int openssl_gen_private_key(EVP_PKEY **pkey)
{ {
int ret = 0; int ret = 0;
@@ -250,6 +250,7 @@ static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey)
*/ */
#if OPENSSL_VERSION_NUMBER < 0x30000000L /* OpenSSL 3.0 */ #if OPENSSL_VERSION_NUMBER < 0x30000000L /* OpenSSL 3.0 */
EC_GROUP *ecgroup = NULL; EC_GROUP *ecgroup = NULL;
EC_KEY *eckey = NULL;
int curve = NID_X9_62_prime256v1; int curve = NID_X9_62_prime256v1;
#else #else
const char *curve = SN_X9_62_prime256v1; const char *curve = SN_X9_62_prime256v1;
@@ -260,8 +261,8 @@ static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey)
if (!*pkey) if (!*pkey)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
*eckey = EC_KEY_new(); eckey = EC_KEY_new();
if (!*eckey) { if (!eckey) {
EVP_PKEY_free(*pkey); EVP_PKEY_free(*pkey);
*pkey = NULL; *pkey = NULL;
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
@@ -273,17 +274,17 @@ static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey)
goto einval_end; goto einval_end;
} }
if (EC_KEY_set_group(*eckey, ecgroup) != 1) { if (EC_KEY_set_group(eckey, ecgroup) != 1) {
av_log(NULL, AV_LOG_ERROR, "TLS: Generate private key, EC_KEY_set_group failed, %s\n", ERR_error_string(ERR_get_error(), NULL)); av_log(NULL, AV_LOG_ERROR, "TLS: Generate private key, EC_KEY_set_group failed, %s\n", ERR_error_string(ERR_get_error(), NULL));
goto einval_end; goto einval_end;
} }
if (EC_KEY_generate_key(*eckey) != 1) { if (EC_KEY_generate_key(eckey) != 1) {
av_log(NULL, AV_LOG_ERROR, "TLS: Generate private key, EC_KEY_generate_key failed, %s\n", ERR_error_string(ERR_get_error(), NULL)); av_log(NULL, AV_LOG_ERROR, "TLS: Generate private key, EC_KEY_generate_key failed, %s\n", ERR_error_string(ERR_get_error(), NULL));
goto einval_end; goto einval_end;
} }
if (EVP_PKEY_set1_EC_KEY(*pkey, *eckey) != 1) { if (EVP_PKEY_set1_EC_KEY(*pkey, eckey) != 1) {
av_log(NULL, AV_LOG_ERROR, "TLS: Generate private key, EVP_PKEY_set1_EC_KEY failed, %s\n", ERR_error_string(ERR_get_error(), NULL)); av_log(NULL, AV_LOG_ERROR, "TLS: Generate private key, EVP_PKEY_set1_EC_KEY failed, %s\n", ERR_error_string(ERR_get_error(), NULL));
goto einval_end; goto einval_end;
} }
@@ -298,13 +299,12 @@ static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey)
einval_end: einval_end:
ret = AVERROR(EINVAL); ret = AVERROR(EINVAL);
EC_KEY_free(*eckey);
EVP_PKEY_free(*pkey); EVP_PKEY_free(*pkey);
*eckey = NULL;
*pkey = NULL; *pkey = NULL;
end: end:
#if OPENSSL_VERSION_NUMBER < 0x30000000L /* OpenSSL 3.0 */ #if OPENSSL_VERSION_NUMBER < 0x30000000L /* OpenSSL 3.0 */
EC_GROUP_free(ecgroup); EC_GROUP_free(ecgroup);
EC_KEY_free(eckey);
#endif #endif
return ret; return ret;
} }
@@ -395,11 +395,10 @@ int ff_ssl_gen_key_cert(char *key_buf, size_t key_sz, char *cert_buf, size_t cer
{ {
int ret = 0; int ret = 0;
EVP_PKEY *pkey = NULL; EVP_PKEY *pkey = NULL;
EC_KEY *ec_key = NULL;
X509 *cert = NULL; X509 *cert = NULL;
char *key_tem = NULL, *cert_tem = NULL; char *key_tem = NULL, *cert_tem = NULL;
ret = openssl_gen_private_key(&pkey, &ec_key); ret = openssl_gen_private_key(&pkey);
if (ret < 0) goto error; if (ret < 0) goto error;
ret = openssl_gen_certificate(pkey, &cert, fingerprint); ret = openssl_gen_certificate(pkey, &cert, fingerprint);
@@ -415,7 +414,6 @@ int ff_ssl_gen_key_cert(char *key_buf, size_t key_sz, char *cert_buf, size_t cer
av_free(cert_tem); av_free(cert_tem);
error: error:
X509_free(cert); X509_free(cert);
EC_KEY_free(ec_key);
EVP_PKEY_free(pkey); EVP_PKEY_free(pkey);
return ret; return ret;
} }