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Add more payload length checks

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This commit is contained in:
Midgard 2020-09-07 19:05:54 +02:00
parent 4056a33cdd
commit 535c628cd0
Signed by: midgard
GPG key ID: 511C112F1331BBB4
1 changed files with 8 additions and 2 deletions
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10
lib/obus_can.cpp
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@ -124,6 +124,10 @@ bool receive(struct message *msg) {
break;
case OBUS_PAYLDTYPE_COUNT:
if (receive_frame.can_dlc < 2) {
Serial.println(F("W Received illegal count msg: payload <2"));
return false;
}
msg->count = receive_frame.data[1];
break;
@ -156,7 +160,8 @@ void send(struct message *msg) {
uint8_t length = 1;
send_frame.data[0] = msg->msg_type;
switch (payload_type(msg->from.type, msg->msg_type)) {
uint8_t pyld_type = payload_type(msg->from.type, msg->msg_type);
switch (pyld_type) {
case OBUS_PAYLDTYPE_EMPTY:
break;
@ -176,7 +181,8 @@ void send(struct message *msg) {
break;
default:
Serial.println(F("Unknown payload type"));
Serial.print(F("E Unknown payload type "));
Serial.println(pyld_type);
return;
}