solo/fido2/extensions/extensions.c
2018-09-12 22:32:15 -04:00

60 lines
1.4 KiB
C

#include <stdint.h>
#include "extensions.h"
#include "u2f.h"
#include "wallet.h"
#include "log.h"
int16_t extend_u2f(struct u2f_request_apdu* req, uint32_t len)
{
struct u2f_authenticate_request * auth = (struct u2f_authenticate_request *) req->payload;
uint16_t rcode;
if (req->ins == U2F_AUTHENTICATE)
{
if (req->p1 == U2F_AUTHENTICATE_CHECK)
{
if (is_wallet_device((uint8_t *) &auth->kh, auth->khl)) // Pin requests
{
rcode = U2F_SW_CONDITIONS_NOT_SATISFIED;
}
else
{
rcode = U2F_SW_WRONG_DATA;
}
printf1(TAG_WALLET,"Ignoring U2F request\n");
goto end;
}
else
{
if ( ! is_wallet_device((uint8_t *) &auth->kh, auth->khl)) // Pin requests
{
rcode = U2F_SW_WRONG_PAYLOAD;
printf1(TAG_WALLET,"Ignoring U2F request\n");
goto end;
}
rcode = bridge_u2f_to_wallet(auth->chal, auth->app, auth->khl, (uint8_t*)&auth->kh);
}
}
else if (req->ins == U2F_VERSION)
{
printf1(TAG_U2F, "U2F_VERSION\n");
if (len)
{
rcode = U2F_SW_WRONG_LENGTH;
}
else
{
rcode = u2f_version();
}
}
else
{
rcode = U2F_SW_INS_NOT_SUPPORTED;
}
end:
return rcode;
}