Ejemplo n.º 1
0
static int status_variables(void) {
        int n_options, n_order;
        uint16_t *options = NULL, *order = NULL;
        int r, i;

        if (!is_efi_boot()) {
                fprintf(stderr, "Not booted with EFI, not showing EFI variables.\n");
                return 0;
        }

        n_options = efi_get_boot_options(&options);
        if (n_options < 0) {
                if (n_options == -ENOENT)
                        fprintf(stderr, "Failed to access EFI variables, "
                                "efivarfs needs to be available at /sys/firmware/efi/efivars/.\n");
                else
                        fprintf(stderr, "Failed to read EFI boot entries: %s\n", strerror(-n_options));
                r = n_options;
                goto finish;
        }

        printf("Boot Loader Entries in EFI Variables:\n");
        n_order = efi_get_boot_order(&order);
        if (n_order == -ENOENT) {
                n_order = 0;
        } else if (n_order < 0) {
                fprintf(stderr, "Failed to read EFI boot order.\n");
                r = n_order;
                goto finish;
        }

        /* print entries in BootOrder first */
        for (i = 0; i < n_order; i++)
                print_efi_option(order[i], true);

        /* print remaining entries */
        for (i = 0; i < n_options; i++) {
                int j;
                bool found = false;

                for (j = 0; j < n_order; j++)
                        if (options[i] == order[j]) {
                                found = true;
                                break;
                        }

                if (found)
                        continue;

                print_efi_option(options[i], false);
        }

        r = 0;
finish:
        free(options);
        free(order);

        return r;
}
Ejemplo n.º 2
0
static int status_variables(void) {
        int n_options, n_order;
        _cleanup_free_ uint16_t *options = NULL, *order = NULL;
        int i;

        if (!is_efi_boot()) {
                log_notice("Not booted with EFI, not showing EFI variables.");
                return 0;
        }

        n_options = efi_get_boot_options(&options);
        if (n_options == -ENOENT)
                return log_error_errno(ENOENT, "Failed to access EFI variables, efivarfs"
                                       " needs to be available at /sys/firmware/efi/efivars/.");
        else if (n_options < 0)
                return log_error_errno(n_options, "Failed to read EFI boot entries: %m");

        n_order = efi_get_boot_order(&order);
        if (n_order == -ENOENT)
                n_order = 0;
        else if (n_order < 0)
                return log_error_errno(n_order, "Failed to read EFI boot order.");

        /* print entries in BootOrder first */
        printf("Boot Loader Entries in EFI Variables:\n");
        for (i = 0; i < n_order; i++)
                print_efi_option(order[i], true);

        /* print remaining entries */
        for (i = 0; i < n_options; i++) {
                int j;

                for (j = 0; j < n_order; j++)
                        if (options[i] == order[j])
                                goto next;

                print_efi_option(options[i], false);
        next:
                continue;
        }

        return 0;
}