Secured I-Am request encoding and decoding, and updated the example apps and handlers to use secure version of I-Am decoder. (#1080)

src/bacnet/basic/client/bac-rw.c

@@ -156,9 +156,9 @@ static void My_I_Am_Bind(
     bool found = false;
     bool bind = false;
 
-    (void)service_len;
-    len = iam_decode_service_request(
-        service_request, &device_id, &max_apdu, &segmentation, &vendor_id);
+    len = bacnet_iam_request_decode(
+        service_request, service_len, &device_id, &max_apdu, &segmentation,
+        &vendor_id);
     if (len > 0) {
         found = address_bind_request(device_id, NULL, NULL);
         if (!found) {

src/bacnet/basic/service/h_iam.c

@@ -33,9 +33,9 @@ void handler_i_am_add(
     int segmentation = 0;
     uint16_t vendor_id = 0;
 
-    (void)service_len;
-    len = iam_decode_service_request(
-        service_request, &device_id, &max_apdu, &segmentation, &vendor_id);
+    len = bacnet_iam_request_decode(
+        service_request, service_len, &device_id, &max_apdu, &segmentation,
+        &vendor_id);
 #if PRINT_ENABLED
     fprintf(stderr, "Received I-Am Request");
 #endif
@@ -73,9 +73,9 @@ void handler_i_am_bind(
     int segmentation = 0;
     uint16_t vendor_id = 0;
 
-    (void)service_len;
-    len = iam_decode_service_request(
-        service_request, &device_id, &max_apdu, &segmentation, &vendor_id);
+    len = bacnet_iam_request_decode(
+        service_request, service_len, &device_id, &max_apdu, &segmentation,
+        &vendor_id);
     if (len > 0) {
         /* only add address if requested to bind */
         address_add_binding(device_id, max_apdu, src);