mesh: provisionee: Handle failed provisioning

When a provisioning fails, all additionally received PDU should be
unexpected until link is closed by provisioner. See MshPRFv1.0.1 section
5.4.4.

Signed-off-by: Manika Shrivastava <manika.sh@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>

diff --git a/mesh/prov-acceptor.c b/mesh/prov-acceptor.c
index ac257b1..0cefb2f 100644 (file)
--- a/mesh/prov-acceptor.c
+++ b/mesh/prov-acceptor.c
@@ -70,6 +70,7 @@ struct mesh_prov_acceptor {
        uint8_t material;
        uint8_t expected;
        int8_t previous;
+       bool failed;
        struct conf_input conf_inputs;
        uint8_t calc_key[16];
        uint8_t salt[16];
@@ -408,7 +409,8 @@ static void acp_prov_rx(void *user_data, const uint8_t *data, uint16_t len)
        if (type == prov->previous) {
                l_error("Ignore repeated %2.2x packet", type);
                return;
-       } else if (type > prov->expected || type < prov->previous) {
+       } else if (prov->failed || type > prov->expected ||
+                                                       type < prov->previous) {
                l_error("Expected %2.2x, Got:%2.2x", prov->expected, type);
                fail.reason = PROV_ERR_UNEXPECTED_PDU;
                goto failure;
@@ -648,6 +650,8 @@ static void acp_prov_rx(void *user_data, const uint8_t *data, uint16_t len)
 failure:
        fail.opcode = PROV_FAILED;
        prov_send(prov, &fail, sizeof(fail));
+       prov->failed = true;
+       prov->previous = -1;
        if (prov->cmplt)
                prov->cmplt(prov->caller_data, fail.reason, NULL);
        prov->cmplt = NULL;
@@ -707,6 +711,7 @@ bool acceptor_start(uint8_t num_ele, uint8_t uuid[16],
        prov->cmplt = complete_cb;
        prov->ob = l_queue_new();
        prov->previous = -1;
+       prov->failed = false;
        prov->out_opcode = PROV_NONE;
        prov->caller_data = caller_data;