Display fee as startgas * gaslimit, allow conditional signing of raw data, add U2F tunnel

src_genericwallet/u2f_io.c

@@ -0,0 +1,79 @@
+#ifdef HAVE_U2F
+
+/*
+*******************************************************************************
+*   Portable FIDO U2F implementation
+*   Ledger Blue specific initialization
+*   (c) 2016 Ledger
+*
+*  Licensed under the Apache License, Version 2.0 (the "License");
+*  you may not use this file except in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*      http://www.apache.org/licenses/LICENSE-2.0
+*
+*   Unless required by applicable law or agreed to in writing, software
+*   distributed under the License is distributed on an "AS IS" BASIS,
+*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*  See the License for the specific language governing permissions and
+*   limitations under the License.
+********************************************************************************/
+
+#include <stdint.h>
+#include <string.h>
+#include "os.h"
+
+#include "os_io_seproxyhal.h"
+
+#include "u2f_io.h"
+#include "u2f_transport.h"
+
+extern void u2f_reset_display(void);
+
+volatile unsigned char u2fCommandSent = 0;
+volatile unsigned char u2fFirstCommand = 0;
+volatile unsigned char u2fClosed = 0;
+
+void u2f_io_open_session(void) {
+    // PRINTF("u2f_io_open_session\n");
+    u2fCommandSent = 0;
+    u2fFirstCommand = 1;
+    u2fClosed = 0;
+}
+
+unsigned char u2fSegment[MAX_SEGMENT_SIZE];
+
+void u2f_io_send(uint8_t *buffer, uint16_t length,
+                 u2f_transport_media_t media) {
+    if (media == U2F_MEDIA_USB) {
+        os_memset(u2fSegment, 0, sizeof(u2fSegment));
+    }
+    os_memmove(u2fSegment, buffer, length);
+    // PRINTF("u2f_io_send\n");
+    if (u2fFirstCommand) {
+        u2fFirstCommand = 0;
+    }
+    switch (media) {
+    case U2F_MEDIA_USB:
+        io_usb_send_apdu_data(u2fSegment, USB_SEGMENT_SIZE);
+        break;
+#ifdef HAVE_BLE
+    case U2F_MEDIA_BLE:
+        BLE_protocol_send(buffer, length);
+        break;
+#endif
+    default:
+        PRINTF("Request to send on unsupported media %d\n", media);
+        break;
+    }
+}
+
+void u2f_io_close_session(void) {
+    // PRINTF("u2f_close_session\n");
+    if (!u2fClosed) {
+        // u2f_reset_display();
+        u2fClosed = 1;
+    }
+}
+
+#endif