Tests: Bluetooth: Mesh: Add Subnet Bridge KRP tests
This adds a test that checks that the Subnet Bridge behaves correctly when one or more of the involved subnets are undergoing the Key Refresh Procedure. Signed-off-by: Ludvig Jordet <ludvig.jordet@nordicsemi.no>
This commit is contained in:
Ludvig Jordet
Benjamin Cabé
parent
1453f6e4ea
commit
dac8d7c397
2 changed files with 143 additions and 0 deletions
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@ -977,6 +977,94 @@ static void test_tester_ivu(void)
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PASS();
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}
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static void start_krp(uint16_t addr, const uint8_t *key)
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{
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uint8_t status;
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uint16_t net_idx = (addr == PROV_ADDR) ? 0 : (addr - DEVICE_ADDR_START + 1);
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ASSERT_OK(bt_mesh_cfg_cli_net_key_update(0, BRIDGE_ADDR, net_idx, key, &status));
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if (status) {
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FAIL("Could not update net key (status %u)", status);
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return;
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}
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ASSERT_OK(bt_mesh_cfg_cli_net_key_update(0, addr, net_idx, key, &status));
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if (status) {
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FAIL("Could not update net key (status %u)", status);
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return;
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}
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}
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static void set_krp_phase(uint16_t addr, uint8_t transition)
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{
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uint8_t status;
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uint8_t phase;
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uint16_t net_idx = (addr == PROV_ADDR) ? 0 : (addr - DEVICE_ADDR_START + 1);
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ASSERT_OK(bt_mesh_cfg_cli_krp_set(0, BRIDGE_ADDR, net_idx, transition, &status, &phase));
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if (status || (phase != (transition == 0x02 ? 0x02 : 0x00))) {
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FAIL("Could not update KRP (status %u, transition %u, phase %u)", status,
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transition, phase);
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return;
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}
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ASSERT_OK(bt_mesh_cfg_cli_krp_set(0, addr, net_idx, transition, &status, &phase));
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if (status || (phase != (transition == 0x02 ? 0x02 : 0x00))) {
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FAIL("Could not update KRP (status %u, transition %u, phase %u)", status,
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transition, phase);
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return;
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}
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}
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static void test_tester_key_refresh(void)
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{
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const uint8_t new_net_keys[][16] = {
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{0x12, 0x34, 0x56},
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{0x78, 0x9a, 0xbc},
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{0xde, 0xf0, 0x12},
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{0x34, 0x56, 0x78}
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};
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remote_nodes = 1;
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bt_mesh_test_cfg_set(NULL, WAIT_TIME);
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tester_init_common();
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setup_basic_bridge();
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tester_workaround();
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LOG_INF("Step 1: Run KRP for tester net and check messaging");
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start_krp(PROV_ADDR, new_net_keys[0]);
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send_and_receive();
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set_krp_phase(PROV_ADDR, 0x02);
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send_and_receive();
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set_krp_phase(PROV_ADDR, 0x03);
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send_and_receive();
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LOG_INF("Step 2: Run KRP for device net and check messaging");
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start_krp(DEVICE_ADDR_START, new_net_keys[1]);
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send_and_receive();
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set_krp_phase(DEVICE_ADDR_START, 0x02);
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send_and_receive();
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set_krp_phase(DEVICE_ADDR_START, 0x03);
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send_and_receive();
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LOG_INF("Step 3: Run KRP in parallell for both device and tester");
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start_krp(PROV_ADDR, new_net_keys[2]);
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send_and_receive();
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start_krp(DEVICE_ADDR_START, new_net_keys[3]);
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send_and_receive();
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set_krp_phase(PROV_ADDR, 0x02);
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send_and_receive();
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set_krp_phase(DEVICE_ADDR_START, 0x02);
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send_and_receive();
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set_krp_phase(PROV_ADDR, 0x03);
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send_and_receive();
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set_krp_phase(DEVICE_ADDR_START, 0x03);
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send_and_receive();
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PASS();
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}
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static void bridge_setup(void)
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{
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bt_mesh_device_setup(&bridge_prov, &comp);
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@ -1071,6 +1159,8 @@ static const struct bst_test_instance test_brg[] = {
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TEST_CASE(tester, persistence, "Tester node: test persistence of subnet bridge states"),
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#endif
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TEST_CASE(tester, ivu, "Tester node: tests subnet bridge with IV Update procedure"),
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TEST_CASE(tester, key_refresh,
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"Tester node: tests bridge behavior during key refresh procedures"),
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TEST_CASE(bridge, simple, "Subnet Bridge node"),
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TEST_CASE(device, simple, "A mesh node"),
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53
tests/bsim/bluetooth/mesh/tests_scripts/bridge/brg_net_key_refresh.sh
Executable file
53
tests/bsim/bluetooth/mesh/tests_scripts/bridge/brg_net_key_refresh.sh
Executable file
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@ -0,0 +1,53 @@
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#!/usr/bin/env bash
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# Copyright 2024 Nordic Semiconductor
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# SPDX-License-Identifier: Apache-2.0
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source $(dirname "${BASH_SOURCE[0]}")/../../_mesh_test.sh
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# Test verifies that the subnet bridge can bridge traffic when either the
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# incoming subnet, the outgoing subnet or both subnets are undergoing the
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# Key Refresh Procedure.
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#
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# 3 roles are used in this test: Tester (Tester), Subnet Bridge node, and Mesh node.
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#
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# Subnets topology*:
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# Tester
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# |
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# (subnet 0)
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# |
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# Subnet Bridge (bridges subnets 0 <-> 1)
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# |
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# (subnet 1)
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# |
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# Node
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#
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# (*) - All nodes are in the tester's range
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#
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# Test procedure:
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# 1. Tester configures itself and creates a subnet for the remote node.
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# 2. Tester provisions and configures Subnet Bridge node.
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# 3. Tester provisions and configures the non-bridge node for subnet 1.
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# 4. For each network key:
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# a. Tester starts KRP on relevant nodes for the network key.
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# b. Tester sends DATA and GET messages to the non-bridge node encrypted
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# with the primary key and verifies that the non-bridge node sends a
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# STATUS message with the content of the DATA messages.
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# c. Tester triggers transition to KRP phase 0x02 for relevant nodes for
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# the network key.
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# d. Messaging is verified like in step 4b.
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# e. Tester triggers transition to KRP phase 0x03 for relevant nodes for
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# the network key.
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# f Messaging is verified like in step 4b.
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# 5. Tester starts KRP on all nodes for all network keys
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# 6. Messaging is verified like in step 4b.
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# 7. Tester triggers transition to KRP phase 0x02 for all nodes and net keys.
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# 8. Messaging is verified like in step 4b.
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# 9. Tester triggers transition to KRP phase 0x03 for all nodes and net keys.
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# 10. Messaging is verified like in step 4b.
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RunTest mesh_brg_net_key_refresh \
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brg_tester_key_refresh brg_bridge_simple brg_device_simple
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overlay=overlay_psa_conf
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RunTest mesh_brg_net_key_refresh_psa \
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brg_tester_key_refresh brg_bridge_simple brg_device_simple
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