| 1373 | } |
| 1374 | |
| 1375 | func getUser(username string) (userInfo, error) { |
| 1376 | user, err := findUser(username) |
| 1377 | if err != nil { |
| 1378 | return userInfo{}, fmt.Errorf("find user: %w", err) |
| 1379 | } |
| 1380 | uid, err := strconv.Atoi(user.Uid) |
| 1381 | if err != nil { |
| 1382 | return userInfo{}, fmt.Errorf("parse uid: %w", err) |
| 1383 | } |
| 1384 | gid, err := strconv.Atoi(user.Gid) |
| 1385 | if err != nil { |
| 1386 | return userInfo{}, fmt.Errorf("parse gid: %w", err) |
| 1387 | } |
| 1388 | if user.Username == "" && uid == 0 { |
| 1389 | // This is nice for the visual display in log messages, |
| 1390 | // but has no actual functionality since the credential |
| 1391 | // in the syscall is what matters. |
| 1392 | user.Username = "root" |
| 1393 | user.HomeDir = "/root" |
| 1394 | } |
| 1395 | return userInfo{ |
| 1396 | uid: uid, |
| 1397 | gid: gid, |
| 1398 | user: user, |
| 1399 | }, nil |
| 1400 | } |
| 1401 | |
| 1402 | // findUser looks up a user by name or ID. |
| 1403 | func findUser(nameOrID string) (*user.User, error) { |