+ rc = ONAK_E_INVALID_PKT;
+ }
+ if (rc == ONAK_E_OK) {
+ /* Make sure the packet version is sane */
+ if (curpacket->packet->data[0] > 4) {
+ rc = ONAK_E_INVALID_PKT;
+ }
+ }
+ }
+
+ if (packetend != NULL) {
+ if ((*packetend)->packet != NULL) {
+ /* If we got an invalid final packet, discard it. */
+ if ((*packetend)->packet->data != NULL &&
+ rc != ONAK_E_OK) {
+ free((*packetend)->packet->data);
+ (*packetend)->packet->data = NULL;
+ }
+ /* If we didn't get any data, clean it up. */
+ if ((*packetend)->packet->data == NULL) {
+ free((*packetend)->packet);
+ (*packetend)->packet = NULL;
+ }
+ }
+ /* Trim the last packet if it doesn't actually exist */
+ if ((*packetend)->packet == NULL) {
+ free(*packetend);
+ *packetend = NULL;