// Copyright 2020 The Gogs Authors. All rights reserved. // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file. package conf import ( "path/filepath" "strings" "github.com/pkg/errors" "gogs.io/gogs/internal/osutil" "gogs.io/gogs/internal/process" ) // cleanUpOpenSSHVersion cleans up the raw output of "ssh -V" and returns a clean version string. func cleanUpOpenSSHVersion(raw string) string { v := strings.TrimRight(strings.Fields(raw)[0], ",1234567890") v = strings.TrimSuffix(strings.TrimPrefix(v, "OpenSSH_"), "p") return v } // openSSHVersion returns string representation of OpenSSH version via command "ssh -V". func openSSHVersion() (string, error) { // NOTE: Somehow the version is printed to stderr. _, stderr, err := process.Exec("conf.openSSHVersion", "ssh", "-V") if err != nil { return "", errors.Wrap(err, stderr) } return cleanUpOpenSSHVersion(stderr), nil } // ensureAbs prepends the WorkDir to the given path if it is not an absolute path. func ensureAbs(path string) string { if filepath.IsAbs(path) { return path } return filepath.Join(WorkDir(), path) } // CheckRunUser returns false if configured run user does not match actual user that // runs the app. The first return value is the actual user name. This check is ignored // under Windows since SSH remote login is not the main method to login on Windows. func CheckRunUser(runUser string) (string, bool) { if IsWindowsRuntime() { return "", true } currentUser := osutil.CurrentUsername() return currentUser, runUser == currentUser }