Add SSL_SESSION_set_protocol_version()

Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3670)

include/openssl/ssl.h

@@ -1506,6 +1506,8 @@ __owur long SSL_SESSION_set_time(SSL_SESSION *s, long t);
 __owur long SSL_SESSION_get_timeout(const SSL_SESSION *s);
 __owur long SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
 __owur int SSL_SESSION_get_protocol_version(const SSL_SESSION *s);
+__owur int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version);
+
 __owur const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s);
 __owur const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s);
 __owur int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher);

ssl/ssl_sess.c

@@ -858,6 +858,12 @@ int SSL_SESSION_get_protocol_version(const SSL_SESSION *s)
     return s->ssl_version;
 }
 
+int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version)
+{
+    s->ssl_version = version;
+    return 1;
+}
+
 const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s)
 {
     return s->cipher;

util/libssl.num

@@ -458,3 +458,4 @@ SSL_CTX_set_psk_find_session_callback   458	1_1_1	EXIST::FUNCTION:
 SSL_CIPHER_get_handshake_digest         459	1_1_1	EXIST::FUNCTION:
 SSL_SESSION_set1_master_key             460	1_1_1	EXIST::FUNCTION:
 SSL_SESSION_set_cipher                  461	1_1_1	EXIST::FUNCTION:
+SSL_SESSION_set_protocol_version        462	1_1_1	EXIST::FUNCTION: