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88 lines
2.4 KiB
88 lines
2.4 KiB
/*
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* Copyright (C) 2018 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "verity_tool.h"
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#include <getopt.h>
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#include <stdio.h>
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#include <string.h>
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static void print_usage() {
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printf("veritytool - toggle block device verification\n"
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" --help show this help\n"
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" --enable enable dm-verity\n"
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" --disable disable dm-verity\n"
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" --show show current dm-verity state\n");
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}
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int main(int argc, char** argv) {
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int c, rc;
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int enable = 0;
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int show = 0;
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bool flag_set = false;
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struct option long_opts[] = {
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{"disable", no_argument, &enable, 0},
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{"enable", no_argument, &enable, 1},
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{"show", no_argument, &show, 1},
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{NULL, 0, NULL, 0},
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};
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while ((c = getopt_long(argc, argv, "des", long_opts, NULL)) != -1) {
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switch (c) {
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case 0:
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flag_set = true;
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break;
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default:
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print_usage();
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exit(0);
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}
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}
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if (!flag_set) {
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print_usage();
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exit(0);
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}
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if (show) {
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printf("dm-verity state: ");
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switch (get_verity_state()) {
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case VERITY_STATE_NO_DEVICE:
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printf("NO DEVICE");
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break;
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case VERITY_STATE_DISABLED:
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printf("DISABLED");
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break;
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case VERITY_STATE_ENABLED:
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printf("ENABLED");
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break;
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default:
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printf("UNKNOWN");
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break;
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}
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printf("\n");
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return 0;
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}
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if (!set_verity_enabled(enable)) {
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printf("Error occurred in set_verity_enable\n");
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exit(EXIT_FAILURE);
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}
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printf("Set verity mode to: %s\n", enable ? "enabled" : "disabled");
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printf("Now reboot your device for settings to take effect\n");
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return 0;
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}
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