Improved handling of message elements parsed. Reduces the memory occupied but

it introduces a small overhead in retrieving of message elements parsed.
This commit is contained in:
vemax78
2013-06-09 17:41:52 +02:00
parent d9e02ded5a
commit 794a8e72d2
88 changed files with 1323 additions and 1027 deletions

View File

@ -20,6 +20,9 @@ static void capwap_decrypterrorreport_element_create(void* data, capwap_message_
struct capwap_decrypterrorreport_element* element = (struct capwap_decrypterrorreport_element*)data;
ASSERT(data != NULL);
ASSERT(IS_VALID_RADIOID(element->radioid));
ASSERT(element->entry > 0);
ASSERT(IS_VALID_MACADDRESS_LENGTH(element->length));
func->write_u8(handle, element->radioid);
func->write_u8(handle, element->entry);
@ -37,7 +40,7 @@ static void capwap_decrypterrorreport_element_free(void* data) {
capwap_free(element->address);
}
capwap_free(element);
capwap_free(data);
}
/* */
@ -50,15 +53,11 @@ static void* capwap_decrypterrorreport_element_parsing(capwap_message_elements_h
length = func->read_ready(handle);
if (length < 9) {
capwap_logging_debug("Invalid Decryption Error Report element");
capwap_logging_debug("Invalid Decryption Error Report element: underbuffer");
return NULL;
}
length -= 3;
if ((length % 6) && (length % 8)) {
capwap_logging_debug("Invalid Decryption Error Report element");
return NULL;
}
/* */
data = (struct capwap_decrypterrorreport_element*)capwap_alloc(sizeof(struct capwap_decrypterrorreport_element));
@ -68,14 +67,27 @@ static void* capwap_decrypterrorreport_element_parsing(capwap_message_elements_h
/* Retrieve data */
memset(data, 0, sizeof(struct capwap_decrypterrorreport_element));
func->read_u8(handle, &data->radioid);
func->read_u8(handle, &data->entry);
func->read_u8(handle, &data->length);
if (!IS_VALID_RADIOID(data->radioid)) {
capwap_decrypterrorreport_element_free((void*)data);
capwap_logging_debug("Invalid Decryption Error Report element: invalid radioid");
return NULL;
} else if (!data->entry) {
capwap_decrypterrorreport_element_free((void*)data);
capwap_logging_debug("Invalid Decryption Error Report element: invalid entry");
return NULL;
} else if (!IS_VALID_MACADDRESS_LENGTH(data->length)) {
capwap_decrypterrorreport_element_free((void*)data);
capwap_logging_debug("Invalid Decryption Error Report element: invalid length");
return NULL;
}
if (length != (data->entry * data->length)) {
capwap_decrypterrorreport_element_free((void*)data);
capwap_logging_debug("Invalid Decryption Error Report element");
capwap_logging_debug("Invalid Decryption Error Report element: invalid total length");
return NULL;
}