diff options
Diffstat (limited to 'src/libtnccs/plugins/tnccs_20/tnccs_20.c')
| -rw-r--r-- | src/libtnccs/plugins/tnccs_20/tnccs_20.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/src/libtnccs/plugins/tnccs_20/tnccs_20.c b/src/libtnccs/plugins/tnccs_20/tnccs_20.c index f78b85a68..dc4da51c6 100644 --- a/src/libtnccs/plugins/tnccs_20/tnccs_20.c +++ b/src/libtnccs/plugins/tnccs_20/tnccs_20.c @@ -1032,6 +1032,38 @@ tnccs_t* tnccs_20_create(bool is_server, tnc_ift_type_t transport, tnccs_cb_t cb) { private_tnccs_20_t *this; + size_t max_batch_size, default_max_batch_size; + size_t max_message_size, default_max_message_size; + + /* Determine the maximum PB-TNC batch size and PA-TNC message size */ + switch (transport) + { + case TNC_IFT_TLS_2_0: + case TNC_IFT_TLS_1_0: + default_max_batch_size = 128 * TLS_MAX_FRAGMENT_LEN - 16; + break; + case TNC_IFT_EAP_2_0: + case TNC_IFT_EAP_1_1: + case TNC_IFT_EAP_1_0: + case TNC_IFT_UNKNOWN: + default: + default_max_batch_size = 4 * TLS_MAX_FRAGMENT_LEN - 14; + break; + } + + max_batch_size = min(default_max_batch_size, + lib->settings->get_int(lib->settings, + "%s.plugins.tnccs-20.max_batch_size", + default_max_batch_size, lib->ns)); + + default_max_message_size = max_batch_size - PB_TNC_BATCH_HEADER_SIZE + - PB_TNC_MSG_HEADER_SIZE + - PB_PA_MSG_HEADER_SIZE; + + max_message_size = min(default_max_message_size, + lib->settings->get_int(lib->settings, + "%s.plugins.tnccs-20.max_message_size", + default_max_message_size, lib->ns)); INIT(this, .public = { @@ -1062,10 +1094,8 @@ tnccs_t* tnccs_20_create(bool is_server, .state_machine = pb_tnc_state_machine_create(is_server), .mutex = mutex_create(MUTEX_TYPE_DEFAULT), .messages = linked_list_create(), - .max_batch_len = lib->settings->get_int(lib->settings, - "%s.plugins.tnccs-20.max_batch_size", 65522, lib->ns), - .max_msg_len = lib->settings->get_int(lib->settings, - "%s.plugins.tnccs-20.max_message_size", 65490, lib->ns), + .max_batch_len = max_batch_size, + .max_msg_len = max_message_size, .ref = 1, ); |