[FFmpeg-devel] [PATCH 12/14] avformat/tls_openssl: don't expose deprecated EC_KEY outside of its function
Timo Rothenpieler
timo at rothenpieler.org
Sun Jul 13 22:24:46 EEST 2025
---
libavformat/tls_openssl.c | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/libavformat/tls_openssl.c b/libavformat/tls_openssl.c
index 34dd22daf7..cd11419fee 100644
--- a/libavformat/tls_openssl.c
+++ b/libavformat/tls_openssl.c
@@ -235,7 +235,7 @@ end:
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;
@@ -250,6 +250,7 @@ static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey)
*/
#if OPENSSL_VERSION_NUMBER < 0x30000000L /* OpenSSL 3.0 */
EC_GROUP *ecgroup = NULL;
+ EC_KEY *eckey = NULL;
int curve = NID_X9_62_prime256v1;
#else
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)
return AVERROR(ENOMEM);
- *eckey = EC_KEY_new();
- if (!*eckey) {
+ eckey = EC_KEY_new();
+ if (!eckey) {
EVP_PKEY_free(*pkey);
*pkey = NULL;
return AVERROR(ENOMEM);
@@ -273,17 +274,17 @@ static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey)
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));
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));
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));
goto einval_end;
}
@@ -298,13 +299,12 @@ static int openssl_gen_private_key(EVP_PKEY **pkey, EC_KEY **eckey)
einval_end:
ret = AVERROR(EINVAL);
- EC_KEY_free(*eckey);
EVP_PKEY_free(*pkey);
- *eckey = NULL;
*pkey = NULL;
end:
#if OPENSSL_VERSION_NUMBER < 0x30000000L /* OpenSSL 3.0 */
EC_GROUP_free(ecgroup);
+ EC_KEY_free(eckey);
#endif
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;
EVP_PKEY *pkey = NULL;
- EC_KEY *ec_key = NULL;
X509 *cert = 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;
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);
error:
X509_free(cert);
- EC_KEY_free(ec_key);
EVP_PKEY_free(pkey);
return ret;
}
--
2.49.0
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