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79c5ac14b2
* many: remove usages of deprecated io/ioutil package Signed-off-by: Miguel Pires <miguel.pires@canonical.com> * .golangci.yml: remove errcheck ignore rule for io/ioutil Signed-off-by: Miguel Pires <miguel.pires@canonical.com> * run-checks: prevent new usages of io/ioutil Signed-off-by: Miguel Pires <miguel.pires@canonical.com> --------- Signed-off-by: Miguel Pires <miguel.pires@canonical.com>
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2015-2016 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package asserts
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/snapcore/snapd/osutil"
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)
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// utilities to read/write fs entries
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func ensureTop(path string) error {
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err := os.MkdirAll(path, 0775)
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if err != nil {
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return fmt.Errorf("cannot create assert storage root: %v", err)
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}
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info, err := os.Stat(path)
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if err != nil {
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return fmt.Errorf("cannot create assert storage root: %v", err)
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}
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if info.Mode().Perm()&0002 != 0 {
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return fmt.Errorf("assert storage root unexpectedly world-writable: %v", path)
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}
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return nil
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}
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func atomicWriteEntry(data []byte, secret bool, top string, subpath ...string) error {
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fpath := filepath.Join(top, filepath.Join(subpath...))
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dir := filepath.Dir(fpath)
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err := os.MkdirAll(dir, 0775)
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if err != nil {
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return err
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}
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fperm := 0664
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if secret {
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fperm = 0600
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}
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return osutil.AtomicWriteFile(fpath, data, os.FileMode(fperm), 0)
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}
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func entryExists(top string, subpath ...string) bool {
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fpath := filepath.Join(top, filepath.Join(subpath...))
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return osutil.FileExists(fpath)
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}
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func readEntry(top string, subpath ...string) ([]byte, error) {
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fpath := filepath.Join(top, filepath.Join(subpath...))
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return os.ReadFile(fpath)
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}
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func removeEntry(top string, subpath ...string) error {
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fpath := filepath.Join(top, filepath.Join(subpath...))
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return os.Remove(fpath)
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}
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