HACK: nanocoap_sock: always add token to block-wise request

plgd-dev/go-coap#512 plgd-dev/go-coap#502
ML-PA-Consulting-GmbH · Mar 22, 2024 · 96464a9 · 96464a9
1 parent 05e2328
commit 96464a9
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/sys/net/application_layer/nanocoap/sock.c b/sys/net/application_layer/nanocoap/sock.c
@@ -601,7 +601,10 @@ static int _fetch_block(nanocoap_sock_t *sock, uint8_t *buf, size_t len,
     };
     uint16_t lastonum = 0;
 
-    buf += coap_build_hdr(pkt.hdr, COAP_TYPE_CON, NULL, 0, COAP_METHOD_GET,
+    /* HACK: go-coap always expects a token */
+    /* see https://github.com/plgd-dev/go-coap/issues/512 */
+    const uint8_t token[4] = "CoAP";
+    buf += coap_build_hdr(pkt.hdr, COAP_TYPE_CON, (void *)token, sizeof(token), COAP_METHOD_GET,
                           nanocoap_sock_next_msg_id(sock));
     buf += coap_opt_put_uri_pathquery(buf, &lastonum, path);
     buf += coap_opt_put_uint(buf, lastonum, COAP_OPT_BLOCK2, (num << 4) | blksize);