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

2016-10-17 23:40:31 +02:00
parent 533c14adc2
commit 3617bb2eee
14 changed files with 2524 additions and 287 deletions
--- a/src_genericwallet/u2f_service.h
+++ b/src_genericwallet/u2f_service.h
@@ -0,0 +1,112 @@
+/*
+*******************************************************************************
+*   Portable FIDO U2F implementation
+*   (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 <stdbool.h>
+
+#ifndef __U2F_SERVICE_H__
+
+#define __U2F_SERVICE_H__
+
+struct u2f_service_t;
+
+typedef void (*u2fHandle_t)(struct u2f_service_t *service, uint8_t *inputBuffer,
+                            uint8_t *channel);
+typedef void (*u2fPromptUserPresence_t)(struct u2f_service_t *service,
+                                        bool enroll,
+                                        uint8_t *applicationParameter);
+typedef void (*u2fTimer_t)(struct u2f_service_t *service);
+
+typedef enum {
+    U2F_IDLE,
+    U2F_HANDLE_SEGMENTED,
+    U2F_PROCESSING_COMMAND,
+    U2F_SENDING_RESPONSE
+} u2f_transport_state_t;
+
+typedef enum {
+    U2F_MEDIA_NONE,
+    U2F_MEDIA_USB,
+    U2F_MEDIA_NFC,
+    U2F_MEDIA_BLE
+} u2f_transport_media_t;
+
+typedef struct u2f_service_t {
+    // Internal
+
+    uint8_t channel[4];
+    uint8_t lastContinuationChannel[4];
+    uint16_t transportOffset;
+    u2f_transport_state_t transportState;
+    u2f_transport_media_t transportMedia;
+    u2f_transport_media_t packetMedia;
+    uint8_t expectedContinuationPacket;
+    uint16_t lastCommandLength;
+    bool runningCommand;
+
+    u2fHandle_t handleFunction;
+
+    bool userPresence;
+    bool promptUserPresence;
+    bool reportUserPresence;
+    bool keepUserPresence;
+    u2fPromptUserPresence_t promptUserPresenceFunction;
+
+    u2fTimer_t timeoutFunction;
+    uint32_t timerInterval;
+    bool timerNeedGeneralStatus;
+    uint32_t seqTimeout;
+    bool pendingContinuation;
+    bool requireKeepalive;
+    uint32_t keepaliveTimeout;
+
+    bool sending;
+    uint8_t sendPacketIndex;
+    uint8_t *sendBuffer;
+    uint16_t sendOffset;
+    uint16_t sendLength;
+    uint8_t sendCmd;
+    bool resetAfterSend;
+
+    // External, to be filled
+
+    uint8_t *inputBuffer;
+    uint8_t *outputBuffer;
+    uint8_t *messageBuffer;
+    uint16_t messageBufferSize;
+    uint8_t *confirmedApplicationParameter;
+    bool noReentry;
+    uint16_t bleMtu;
+} u2f_service_t;
+
+void u2f_initialize_service(u2f_service_t *service);
+void u2f_send_direct_response_short(u2f_service_t *service, uint8_t *buffer,
+                                    uint16_t len);
+void u2f_send_fragmented_response(u2f_service_t *service, uint8_t cmd,
+                                  uint8_t *buffer, uint16_t len,
+                                  bool resetAfterSend);
+void u2f_confirm_user_presence(u2f_service_t *service, bool userPresence,
+                               bool resume);
+void u2f_continue_sending_fragmented_response(u2f_service_t *service);
+void u2f_reset(u2f_service_t *service, bool keepUserPresence);
+
+// export global
+extern volatile u2f_service_t u2fService;
+
+#endif