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fix(security): round-trip packet policy defaults

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This commit is contained in:
Benjamin Faershtein
2026-07-21 14:25:53 -07:00
parent 6e48fac741
commit d195ec6748
2 changed files with 23 additions and 2 deletions
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src/modules/AdminModule.cpp
+2 -2
View File
@@ -1138,9 +1138,9 @@ void AdminModule::handleSetConfig(const meshtastic_Config &c, bool fromOthers)
}
#if MESHTASTIC_EXCLUDE_PKI || MESHTASTIC_EXCLUDE_XEDDSA
if (incoming.packet_signature_policy !=
meshtastic_Config_SecurityConfig_PacketSignaturePolicy_PACKET_SIGNATURE_POLICY_BALANCED) {
meshtastic_Config_SecurityConfig_PacketSignaturePolicy_PACKET_SIGNATURE_POLICY_COMPATIBLE) {
incoming.packet_signature_policy =
meshtastic_Config_SecurityConfig_PacketSignaturePolicy_PACKET_SIGNATURE_POLICY_BALANCED;
meshtastic_Config_SecurityConfig_PacketSignaturePolicy_PACKET_SIGNATURE_POLICY_COMPATIBLE;
const char *warning = "Packet authenticity policy is unavailable on this firmware build";
LOG_WARN(warning);
sendWarning(warning);
test/test_admin_session_repro/test_main.cpp
+21
View File
@@ -304,6 +304,26 @@ void test_local_security_config_keeps_private_key(void)
admin->drainReply();
}
// A local client writes this device-owned policy, then receives the same value in its next config read.
void test_local_security_config_round_trips_packet_signature_policy(void)
{
meshtastic_Config set = meshtastic_Config_init_zero;
set.which_payload_variant = meshtastic_Config_security_tag;
set.payload_variant.security = config.security;
set.payload_variant.security.packet_signature_policy =
meshtastic_Config_SecurityConfig_PacketSignaturePolicy_PACKET_SIGNATURE_POLICY_STRICT;
admin->handleSetConfig(set, false);
meshtastic_MeshPacket req = makeGetConfigRequest(0);
admin->handleGetConfig(req, meshtastic_AdminMessage_ConfigType_SECURITY_CONFIG);
meshtastic_Config_SecurityConfig sec;
TEST_ASSERT_TRUE(decodeSecurityFromReply(admin->reply(), sec));
TEST_ASSERT_EQUAL(meshtastic_Config_SecurityConfig_PacketSignaturePolicy_PACKET_SIGNATURE_POLICY_STRICT,
sec.packet_signature_policy);
admin->drainReply();
}
// Decode the NetworkConfig / MqttConfig out of the response a handler queued in myReply.
static bool decodeNetworkFromReply(meshtastic_MeshPacket *reply, meshtastic_Config_NetworkConfig &out)
{
@@ -652,6 +672,7 @@ void setup()
RUN_TEST(test_session_gate_accepts_key_from_a_get_response);
RUN_TEST(test_remote_security_config_omits_private_key);
RUN_TEST(test_local_security_config_keeps_private_key);
RUN_TEST(test_local_security_config_round_trips_packet_signature_policy);
RUN_TEST(test_remote_network_config_omits_wifi_psk);
RUN_TEST(test_local_network_config_keeps_wifi_psk);
RUN_TEST(test_remote_mqtt_config_omits_password);