go-ethereum/common/path.go
marcello33 50a778207e
dev: add: pos-944: snyk and govuln integration (#578)
* dev: add: pos-944 security ci and readme

* dev: add: pos-944 remove linters as this is included already in build ci

* dev: chg: pos-947 dependencies upgrade to solve snyk security issues

* dev: chg: update security-ci

* dev: chg: remove linter to allow replacements for security issues

* dev: add: pos-944 verify path when updating metrics from config

* dev: add: pos-944 fix linter

* dev: add: pos-944 add .snyk policy file / fix snyk code vulnerabilities

* dev: fix: pos-944 import common package / gitignore snyk dccache file

* dev: fix: pos-944 verify canonical path for crashers

* dev: fix: pos-944 linter

* dev: add: pos-976 add govuln check

* dev: add: pos-976 test upload with permissions

* dev: add: pos-976 remove duplicated upload

* dev: add: pos-976 report upload

* dev: add: pos-976 remove upload

* dev: fix: pos-944 fix govuln action

* dev: fix: pos-944 move govulncheck to security-ci

* dev: fix: pos-944 bump golvun action and golang versions

* dev: fix: pos-944 remove persmissions and fix conflicts

* dev: chg: restore err msg

* dev: chg: remove duplicated function

* dev: chg: sort import

* dev: chg: fix linter

* dev: add: use common VerifyCrasher function to avoid duplications / replace deprecated ioutils.ReadFile

* dev: fix: typo
2022-12-06 10:53:55 +01:00

78 lines
2.3 KiB
Go

// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package common
import (
"fmt"
"os"
"path/filepath"
"runtime"
)
// MakeName creates a node name that follows the ethereum convention
// for such names. It adds the operation system name and Go runtime version
// the name.
func MakeName(name, version string) string {
return fmt.Sprintf("%s/v%s/%s/%s", name, version, runtime.GOOS, runtime.Version())
}
// FileExist checks if a file exists at filePath.
func FileExist(filePath string) bool {
_, err := os.Stat(filePath)
if err != nil && os.IsNotExist(err) {
return false
}
return true
}
// AbsolutePath returns datadir + filename, or filename if it is absolute.
func AbsolutePath(datadir string, filename string) string {
if filepath.IsAbs(filename) {
return filename
}
return filepath.Join(datadir, filename)
}
// VerifyPath sanitizes the path to avoid Path Traversal vulnerability
func VerifyPath(path string) (string, error) {
c := filepath.Clean(path)
r, err := filepath.EvalSymlinks(c)
if err != nil {
return c, fmt.Errorf("unsafe or invalid path specified: %s", path)
} else {
return r, nil
}
}
// VerifyCrasher sanitizes the path to avoid Path Traversal vulnerability and reads the file from that path, returning its content
func VerifyCrasher(crasher string) []byte {
canonicalPath, err := VerifyPath(crasher)
if err != nil {
fmt.Println("path not verified: " + err.Error())
return nil
}
data, err := os.ReadFile(canonicalPath)
if err != nil {
fmt.Fprintf(os.Stderr, "error loading crasher %v: %v", canonicalPath, err)
os.Exit(1)
}
return data
}