solo1/fido2/ctaphid.h

102 wiersze
3.0 KiB
C

/*
Copyright 2018 Conor Patrick
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#ifndef _CTAPHID_H_H
#define _CTAPHID_H_H
#include "device.h"
#include "ctap_errors.h"
#define TYPE_INIT 0x80
#define TYPE_CONT 0x00
#define CTAPHID_PING (TYPE_INIT | 0x01)
#define CTAPHID_MSG (TYPE_INIT | 0x03)
#define CTAPHID_LOCK (TYPE_INIT | 0x04)
#define CTAPHID_INIT (TYPE_INIT | 0x06)
#define CTAPHID_WINK (TYPE_INIT | 0x08)
#define CTAPHID_CBOR (TYPE_INIT | 0x10)
#define CTAPHID_CANCEL (TYPE_INIT | 0x11)
#define CTAPHID_ERROR (TYPE_INIT | 0x3f)
#define ERR_INVALID_CMD 0x01
#define ERR_INVALID_PAR 0x02
#define ERR_INVALID_SEQ 0x04
#define ERR_MSG_TIMEOUT 0x05
#define ERR_CHANNEL_BUSY 0x06
#define CTAPHID_INIT_PAYLOAD_SIZE (HID_MESSAGE_SIZE-7)
#define CTAPHID_CONT_PAYLOAD_SIZE (HID_MESSAGE_SIZE-5)
#define CTAPHID_BROADCAST_CID 0xffffffff
#define CTAPHID_BUFFER_SIZE 7609
#define CAPABILITY_WINK 0x01
#define CAPABILITY_LOCK 0x02
#define CAPABILITY_CBOR 0x04
#define CAPABILITY_NMSG 0x08
#define CTAP_CAPABILITIES (CAPABILITY_WINK | CAPABILITY_CBOR)
typedef struct
{
uint32_t cid;
union{
struct{
uint8_t cmd;
uint8_t bcnth;
uint8_t bcntl;
uint8_t payload[CTAPHID_INIT_PAYLOAD_SIZE];
} init;
struct{
uint8_t seq;
uint8_t payload[CTAPHID_CONT_PAYLOAD_SIZE];
} cont;
} pkt;
} CTAPHID_PACKET;
typedef struct
{
uint8_t nonce[8];
uint32_t cid;
uint8_t protocol_version;
uint8_t version_major;
uint8_t version_minor;
uint8_t build_version;
uint8_t capabilities;
} __attribute__((packed)) CTAPHID_INIT_RESPONSE;
void ctaphid_init();
void ctaphid_handle_packet(uint8_t * pkt_raw);
void ctaphid_check_timeouts();
#define ctaphid_packet_len(pkt) ((uint16_t)((pkt)->pkt.init.bcnth << 8) | ((pkt)->pkt.init.bcntl))
#endif