1//go:build darwin 2// +build darwin 3 4// Copyright (c) 2015-2021 MinIO, Inc. 5// 6// This file is part of MinIO Object Storage stack 7// 8// This program is free software: you can redistribute it and/or modify 9// it under the terms of the GNU Affero General Public License as published by 10// the Free Software Foundation, either version 3 of the License, or 11// (at your option) any later version. 12// 13// This program is distributed in the hope that it will be useful 14// but WITHOUT ANY WARRANTY; without even the implied warranty of 15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16// GNU Affero General Public License for more details. 17// 18// You should have received a copy of the GNU Affero General Public License 19// along with this program. If not, see <http://www.gnu.org/licenses/>. 20 21package disk 22 23import ( 24 "os/user" 25 "strconv" 26 "strings" 27 "syscall" 28) 29 30// GetFileSystemAttrs return the file system attribute as string; containing mode, 31// uid, gid, uname, Gname, atime, mtime, ctime and md5 32func GetFileSystemAttrs(file string) (string, error) { 33 st := syscall.Stat_t{} 34 err := syscall.Stat(file, &st) 35 if err != nil { 36 return "", err 37 } 38 39 var fileAttr strings.Builder 40 fileAttr.WriteString("atime:") 41 fileAttr.WriteString(strconv.FormatInt(st.Atimespec.Sec, 10) + "#" + strconv.FormatInt(st.Atimespec.Nsec, 10)) 42 fileAttr.WriteString("/gid:") 43 fileAttr.WriteString(strconv.Itoa(int(st.Gid))) 44 45 g, err := user.LookupGroupId(strconv.FormatUint(uint64(st.Gid), 10)) 46 if err == nil { 47 fileAttr.WriteString("/gname:") 48 fileAttr.WriteString(g.Name) 49 } 50 51 fileAttr.WriteString("/mode:") 52 fileAttr.WriteString(strconv.Itoa(int(st.Mode))) 53 fileAttr.WriteString("/mtime:") 54 fileAttr.WriteString(strconv.FormatInt(st.Mtimespec.Sec, 10) + "#" + strconv.FormatInt(st.Mtimespec.Nsec, 10)) 55 fileAttr.WriteString("/uid:") 56 fileAttr.WriteString(strconv.Itoa(int(st.Uid))) 57 58 u, err := user.LookupId(strconv.FormatUint(uint64(st.Uid), 10)) 59 if err == nil { 60 fileAttr.WriteString("/uname:") 61 fileAttr.WriteString(u.Username) 62 } 63 64 return fileAttr.String(), nil 65} 66