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Add some validation for invalid router destinations

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This commit is contained in:
Fred Sundvik 2016-02-20 15:28:42 +02:00
parent 532f98eef6
commit ea346125e8
2 changed files with 46 additions and 6 deletions
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16
serial_link/protocol/frame_router.c
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@ -33,7 +33,9 @@ void router_set_master(bool master) {
void route_incoming_frame(uint8_t link, uint8_t* data, uint16_t size){
if (is_master) {
transport_recv_frame(data[size-1], data, size - 1);
if (link == DOWN_LINK) {
transport_recv_frame(data[size-1], data, size - 1);
}
}
else {
if (link == UP_LINK) {
@ -52,11 +54,15 @@ void route_incoming_frame(uint8_t link, uint8_t* data, uint16_t size){
void router_send_frame(uint8_t destination, uint8_t* data, uint16_t size) {
if (destination == 0) {
data[size] = 1;
validator_send_frame(UP_LINK, data, size + 1);
if (!is_master) {
data[size] = 1;
validator_send_frame(UP_LINK, data, size + 1);
}
}
else {
data[size] = destination;
validator_send_frame(DOWN_LINK, data, size + 1);
if (is_master) {
data[size] = destination;
validator_send_frame(DOWN_LINK, data, size + 1);
}
}
}