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respond with block security status when option flag is set

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This commit is contained in:
g3gg0.de
2023-01-20 01:34:15 +01:00
parent 83f9d8cd21
commit b48fe4631a
1 changed files with 18 additions and 6 deletions
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24
lib/nfc/protocols/nfcv.c
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@@ -537,20 +537,32 @@ void nfcv_emu_handle_packet(
nfcv_emu_send(
tx_rx, nfcv_data, ctx->response_buffer, 1, ctx->response_flags, ctx->send_time);
} else {
ctx->response_buffer[0] = ISO15693_NOERROR;
memcpy(
&ctx->response_buffer[1],
&nfcv_data->data[nfcv_data->block_size * block],
nfcv_data->block_size * blocks);
uint8_t buffer_pos = 0;
ctx->response_buffer[buffer_pos++] = ISO15693_NOERROR;
for(int current_block = 0; current_block < blocks; current_block++) {
/* prepend security status */
if(ctx->flags & RFAL_NFCV_REQ_FLAG_OPTION) {
ctx->response_buffer[buffer_pos++] = 0;
}
/* then the data block */
memcpy(
&ctx->response_buffer[buffer_pos],
&nfcv_data->data[nfcv_data->block_size * (block + current_block)],
nfcv_data->block_size);
buffer_pos += nfcv_data->block_size;
}
nfcv_emu_send(
tx_rx,
nfcv_data,
ctx->response_buffer,
1 + nfcv_data->block_size * blocks,
buffer_pos,
ctx->response_flags,
ctx->send_time);
}
snprintf(nfcv_data->last_command, sizeof(nfcv_data->last_command), "READ BLOCK %d", block);
break;
}