Beispiel #1
0
smcp_status_t
plugtest_test_handler(smcp_node_t node)
{
	smcp_status_t ret = SMCP_STATUS_NOT_ALLOWED;
	char* content = NULL;
	coap_size_t max_len = 0;
	smcp_method_t method = smcp_inbound_get_code();

	if(method==COAP_METHOD_GET) {
		ret = smcp_outbound_begin_response(COAP_RESULT_205_CONTENT);
	} else if(method==COAP_METHOD_POST) {
		ret = smcp_outbound_begin_response(COAP_RESULT_201_CREATED);
	} else if(method==COAP_METHOD_PUT) {
		ret = smcp_outbound_begin_response(COAP_RESULT_204_CHANGED);
	} else if(method==COAP_METHOD_DELETE) {
		ret = smcp_outbound_begin_response(COAP_RESULT_202_DELETED);
	}

	if(ret) goto bail;

	smcp_outbound_add_option_uint(COAP_OPTION_CONTENT_TYPE, COAP_CONTENT_TYPE_TEXT_PLAIN);

	content = smcp_outbound_get_content_ptr(&max_len);
	if(!content) {
		ret = SMCP_STATUS_FAILURE;
		goto bail;
	}

	smcp_inbound_get_path(content, SMCP_GET_PATH_LEADING_SLASH|SMCP_GET_PATH_INCLUDE_QUERY);
	strlcat(content,"\nPlugtest!\nMethod = ",max_len);
	strlcat(content,coap_code_to_cstr(method),max_len);
	strlcat(content,"\n",max_len);

	{
		const uint8_t* value;
		coap_size_t value_len;
		coap_option_key_t key;
		while((key=smcp_inbound_next_option(&value, &value_len))!=COAP_OPTION_INVALID) {
			strlcat(content,coap_option_key_to_cstr(key,1),max_len);
			strlcat(content,": ",max_len);
			if(coap_option_value_is_string(key)) {
				int argh = strlen(content)+value_len;
				strlcat(content,(char*)value,MIN(max_len,argh+1));
				content[argh] = 0;
			} else {
				strlcat(content,"<binary>",max_len);
			}
			strlcat(content,"\n",max_len);
		}
	}

	smcp_outbound_set_content_len((coap_size_t)strlen(content));

	ret = smcp_outbound_send();

bail:
	return ret;
}
Beispiel #2
0
smcp_status_t
smcp_curl_proxy_request_handler(
    smcp_curl_proxy_node_t		node
) {
    smcp_status_t ret = SMCP_STATUS_NOT_ALLOWED;
    smcp_curl_request_t request = NULL;
    struct curl_slist *headerlist=NULL;
    smcp_method_t method = smcp_inbound_get_code();

    //require_action(method<=COAP_METHOD_DELETE,bail,ret = SMCP_STATUS_NOT_ALLOWED);

    //require_action(COAP_OPTION_URI_PATH!=smcp_inbound_peek_option(NULL,NULL),bail,ret=SMCP_STATUS_NOT_FOUND);

    node->interface = smcp_get_current_instance();

    smcp_inbound_reset_next_option();

    request = smcp_curl_request_create();
    request->proxy_node = node;

    require_action(request!=NULL,bail,ret = SMCP_STATUS_MALLOC_FAILURE);

    switch(method) {
    case COAP_METHOD_GET:
        curl_easy_setopt(request->curl, CURLOPT_CUSTOMREQUEST, "GET");
        break;
    case COAP_METHOD_PUT:
        curl_easy_setopt(request->curl, CURLOPT_PUT, 1L);
        break;
    case COAP_METHOD_POST:
        curl_easy_setopt(request->curl, CURLOPT_POST, 1L);
        break;
    case COAP_METHOD_DELETE:
        curl_easy_setopt(request->curl, CURLOPT_CUSTOMREQUEST, "DELETE");
        break;
    default:
        ret = SMCP_STATUS_NOT_ALLOWED;
        break;
    }

    {
        coap_option_key_t key;
        const uint8_t* value;
        coap_size_t value_len;
        while((key=smcp_inbound_next_option(&value, &value_len))!=COAP_OPTION_INVALID) {
            if(key==COAP_OPTION_PROXY_URI) {
                char uri[value_len+1];
                memcpy(uri,value,value_len);
                uri[value_len] = 0;
                curl_easy_setopt(request->curl, CURLOPT_URL, uri);
                assert_printf("CuRL URL: \"%s\"",uri);
                ret = 0;
            } else if(key==COAP_OPTION_URI_HOST) {
            } else if(key==COAP_OPTION_URI_PORT) {
            } else if(key==COAP_OPTION_URI_PATH) {
            } else if(key==COAP_OPTION_URI_QUERY) {
            } else if(key==COAP_OPTION_CONTENT_TYPE || key==COAP_OPTION_ACCEPT) {
                const char* option_name = coap_option_key_to_cstr(key, false);
                const char* value_string = coap_content_type_to_cstr(value[1]);
                char header[strlen(option_name)+strlen(value_string)+3];
                strcpy(header,option_name);
                strcat(header,": ");
                strcat(header,value_string);
                headerlist = curl_slist_append(headerlist, header);
                assert_printf("CuRL HEADER: \"%s\"",header);
            } else {
                if(coap_option_value_is_string(key)) {
                    const char* option_name = coap_option_key_to_cstr(key, false);
                    char header[strlen(option_name)+value_len+3];
                    strcpy(header,option_name);
                    strcat(header,": ");
                    strncat(header,(const char*)value,value_len);
                    assert_printf("CuRL HEADER: \"%s\"",header);
                    headerlist = curl_slist_append(headerlist, header);
                }
            }
        }
    }

    require_noerr(ret,bail);

    if(smcp_inbound_get_content_len()) {
        coap_size_t len = smcp_inbound_get_content_len();
        request->output_content = calloc(1,len+1);
        request->output_content_len = len;
        memcpy(request->output_content,smcp_inbound_get_content_ptr(),len);
        curl_easy_setopt(request->curl, CURLOPT_READFUNCTION, ReadMemoryCallback);
        curl_easy_setopt(request->curl, CURLOPT_READDATA, (void *)request);
    }

    curl_easy_setopt(request->curl, CURLOPT_USERAGENT, "smcp-curl-proxy/1.0");
    curl_easy_setopt(request->curl, CURLOPT_HTTPHEADER, headerlist),headerlist=NULL;
    curl_easy_setopt(request->curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
    curl_easy_setopt(request->curl, CURLOPT_WRITEDATA, (void *)request);

    ret = smcp_start_async_response(&request->async_response,0);
    require_noerr(ret,bail);

    if(node->curl_multi_handle)
        curl_multi_add_handle(node->curl_multi_handle, request->curl);
    else
        curl_easy_perform(request->curl);

bail:
    if(headerlist)
        curl_slist_free_all(headerlist);

    if(ret && request)
        smcp_curl_request_release(request);

    return ret;
}