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mavlink: Check target for mavlink shell

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The SERIAL_CONTROL MAVLink message now contains a target_system and
target_component field that we should check.

Without this we might be answering to a command on the network that is
meant for another system.
This commit is contained in:
Julian Oes
2021-11-05 14:20:09 -07:00
committed by Lorenz Meier
parent 96101a9c11
commit 88489ae8bd
2 changed files with 9 additions and 1 deletions
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mavlink/include/mavlink/v2.0
+1 -1
Submodule mavlink/include/mavlink/v2.0 updated: f03d91ae93...5571ffbcd6
src/modules/mavlink/mavlink_receiver.cpp
+8
View File
@@ -1768,6 +1768,14 @@ MavlinkReceiver::handle_message_serial_control(mavlink_message_t *msg)
mavlink_serial_control_t serial_control_mavlink;
mavlink_msg_serial_control_decode(msg, &serial_control_mavlink);
// Check if the message is targeted at us.
if ((serial_control_mavlink.target_system != 0 &&
mavlink_system.sysid != serial_control_mavlink.target_system) ||
(serial_control_mavlink.target_component != 0 &&
mavlink_system.compid != serial_control_mavlink.target_component)) {
return;
}
// we only support shell commands
if (serial_control_mavlink.device != SERIAL_CONTROL_DEV_SHELL
|| (serial_control_mavlink.flags & SERIAL_CONTROL_FLAG_REPLY)) {