- /* Hide Vaio security settings to regular users (16 first bytes) */
- if (data->nature == VAIO && off < 16 && !capable(CAP_SYS_ADMIN)) {
- size_t in_row1 = 16 - off;
- in_row1 = min(in_row1, count);
- memset(buf, 0, in_row1);
- if (count - in_row1 > 0)
- memcpy(buf + in_row1, &data->data[16], count - in_row1);
+ /* Hide Vaio private settings to regular users:
+ - BIOS passwords: bytes 0x00 to 0x0f
+ - UUID: bytes 0x10 to 0x1f
+ - Serial number: 0xc0 to 0xdf */
+ if (data->nature == VAIO && !capable(CAP_SYS_ADMIN)) {
+ int i;
+
+ for (i = 0; i < count; i++) {
+ if ((off + i <= 0x1f) ||
+ (off + i >= 0xc0 && off + i <= 0xdf))
+ buf[i] = 0;
+ else
+ buf[i] = data->data[off + i];
+ }