Add SSL_client_version() getter function

Reviewed-by: NRich Salz <rsalz@openssl.org>
Reviewed-by: NTim Hudson <tjh@openssl.org>
Reviewed-by: NMatt Caswell <matt@openssl.org>

include/openssl/ssl.h

@@ -1741,6 +1741,7 @@ __owur int SSL_get_quiet_shutdown(const SSL *ssl);
 void SSL_set_shutdown(SSL *ssl, int mode);
 __owur int SSL_get_shutdown(const SSL *ssl);
 __owur int SSL_version(const SSL *ssl);
+__owur int SSL_client_version(const SSL *s);
 __owur int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
 __owur int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx);
 __owur int SSL_CTX_set_default_verify_file(SSL_CTX *ctx);

ssl/ssl_lib.c

@@ -3395,17 +3395,22 @@ void SSL_set_shutdown(SSL *s, int mode)
 
 int SSL_get_shutdown(const SSL *s)
 {
-    return (s->shutdown);
+    return s->shutdown;
 }
 
 int SSL_version(const SSL *s)
 {
-    return (s->version);
+    return s->version;
+}
+
+int SSL_client_version(const SSL *s)
+{
+    return s->client_version;
 }
 
 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
 {
-    return (ssl->ctx);
+    return ssl->ctx;
 }
 
 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)

util/libssl.num

@@ -394,3 +394,4 @@ SSL_enable_ct                           393	1_1_0	EXIST::FUNCTION:CT
 SSL_CTX_enable_ct                       394	1_1_0	EXIST::FUNCTION:CT
 SSL_CTX_get_ciphers                     395	1_1_0	EXIST::FUNCTION:
 SSL_SESSION_get0_hostname               396	1_1_0	EXIST::FUNCTION:
+SSL_client_version                      397	1_1_0	EXIST::FUNCTION: