WebSocket: Add support for noTLS and TinyDTLS

Use SHA1 code from RFC3174 sections 7.1 and 7.2.

examples/lwip/Makefile

@@ -168,10 +168,11 @@ COAP_SRC = coap_address.c \
 	   coap_pdu.c \
 	   coap_resource.c \
 	   coap_session.c \
-	   coap_subscribe.c \
-	   coap_tinydtls.c \
+	   coap_sha1.c \
 	   coap_str.c \
+	   coap_subscribe.c \
 	   coap_tcp.c \
+	   coap_tinydtls.c \
 	   coap_uri.c \
 	   coap_ws.c
 

examples/lwip/client-coap.c

@@ -199,6 +199,10 @@ client_coap_init(coap_lwip_input_wait_handler_t input_wait, void *input_arg,
 
   LWIP_ASSERT("Failed to create session", session != NULL);
 
+  if (proto == COAP_PROTO_WS || proto == COAP_PROTO_WSS) {
+    coap_ws_set_host_request(session, &uri.host);
+  }
+
   coap_register_response_handler(main_coap_context, message_handler);
   coap_register_nack_handler(main_coap_context, nack_handler);
 

examples/lwip/config/lwippools.h

@@ -100,11 +100,15 @@ typedef struct l_coap_tiny_context_t {
 #endif
 
 #ifndef MEMP_LEN_COAPSTRING
+#ifdef COAP_WS_SUPPORT
+#define MEMP_LEN_COAPSTRING 176
+#else /* ! COAP_WS_SUPPORT */
 #ifdef COAP_WITH_LIBTINYDTLS
 #define MEMP_LEN_COAPSTRING 120
 #else /* COAP_WITH_TINYDTLS */
 #define MEMP_LEN_COAPSTRING 40
 #endif /* COAP_WITH_TINYDTLS */
+#endif /* ! COAP_WS_SUPPORT */
 #endif
 
 #ifndef MEMP_NUM_COAPCACHE_KEYS

examples/riot/pkg_libcoap/Makefile.libcoap

@@ -26,6 +26,7 @@ SRC := coap_address.c \
   coap_prng.c \
   coap_resource.c \
   coap_session.c \
+  coap_sha1.c \
   coap_str.c \
   coap_subscribe.c \
   coap_tcp.c \