1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * The 'fsverity enable' command 4 * 5 * Copyright (C) 2018 Google LLC 6 * 7 * Written by Eric Biggers. 8 */ 9 10 #include <fcntl.h> 11 #include <sys/ioctl.h> 12 13 #include "commands.h" 14 #include "fsverity_uapi.h" 15 16 int fsverity_cmd_enable(const struct fsverity_command *cmd, 17 int argc, char *argv[]) 18 { 19 struct filedes file; 20 21 if (argc != 2) { 22 usage(cmd, stderr); 23 return 2; 24 } 25 26 if (!open_file(&file, argv[1], O_RDONLY, 0)) 27 return 1; 28 if (ioctl(file.fd, FS_IOC_ENABLE_VERITY, NULL) != 0) { 29 error_msg_errno("FS_IOC_ENABLE_VERITY failed on '%s'", 30 file.name); 31 filedes_close(&file); 32 return 1; 33 } 34 if (!filedes_close(&file)) 35 return 1; 36 return 0; 37 } 38
