Force use of TLSv1 for backwards compatibility with older iOS versions

1 files changed, 13 insertions, 1 deletions

diff --git a/src/idevice.c b/src/idevice.c
index 794af8b..38fc015 100644
--- a/src/idevice.c
+++ b/src/idevice.c
@@ -789,6 +789,18 @@ LIBIMOBILEDEVICE_API idevice_error_t idevice_connection_enable_ssl(idevice_conne
                 return ret;
         }
 
+        /* force use of TLSv1 */
+#ifdef SSL_OP_NO_TLSv1_1
+        int opts = SSL_OP_NO_TLSv1_1;
+#ifdef SSL_OP_NO_TLSv1_2
+        opts |= SSL_OP_NO_TLSv1_2;
+#endif
+#ifdef SSL_OP_NO_TLSv1_3
+        opts |= SSL_OP_NO_TLSv1_3;
+#endif
+        SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL | opts);
+#endif
+
         BIO* membp;
         X509* rootCert = NULL;
         membp = BIO_new_mem_buf(root_cert.data, root_cert.size);
@@ -832,7 +844,7 @@ LIBIMOBILEDEVICE_API idevice_error_t idevice_connection_enable_ssl(idevice_conne
                 ssl_data_loc->ctx = ssl_ctx;
                 connection->ssl_data = ssl_data_loc;
                 ret = IDEVICE_E_SUCCESS;
-                debug_info("SSL mode enabled, cipher: %s", SSL_get_cipher(ssl));
+                debug_info("SSL mode enabled, %s, cipher: %s", SSL_get_version(ssl), SSL_get_cipher(ssl));
         }
         /* required for proper multi-thread clean up to prevent leaks */
         openssl_remove_thread_state();