1//go:build openbsd || solaris 2// +build openbsd solaris 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 34 st := syscall.Stat_t{} 35 err := syscall.Stat(file, &st) 36 if err != nil { 37 return "", err 38 } 39 40 var fileAttr strings.Builder 41 fileAttr.WriteString("atime:") 42 fileAttr.WriteString(strconv.FormatInt(int64(st.Atim.Sec), 10) + "#" + strconv.FormatInt(int64(st.Atim.Nsec), 10)) 43 fileAttr.WriteString("/gid:") 44 fileAttr.WriteString(strconv.Itoa(int(st.Gid))) 45 46 g, err := user.LookupGroupId(strconv.FormatUint(uint64(st.Gid), 10)) 47 if err == nil { 48 fileAttr.WriteString("/gname:") 49 fileAttr.WriteString(g.Name) 50 } 51 52 fileAttr.WriteString("/mode:") 53 fileAttr.WriteString(strconv.Itoa(int(st.Mode))) 54 fileAttr.WriteString("/mtime:") 55 fileAttr.WriteString(strconv.FormatInt(int64(st.Mtim.Sec), 10) + "#" + strconv.FormatInt(int64(st.Mtim.Nsec), 10)) 56 fileAttr.WriteString("/uid:") 57 fileAttr.WriteString(strconv.Itoa(int(st.Uid))) 58 59 u, err := user.LookupId(strconv.FormatUint(uint64(st.Uid), 10)) 60 if err == nil { 61 fileAttr.WriteString("/uname:") 62 fileAttr.WriteString(u.Username) 63 } 64 65 return fileAttr.String(), nil 66} 67