| 47 | } |
| 48 | |
| 49 | func SetEnv(envStr string, key string, val string) (string, error) { |
| 50 | if strings.ContainsAny(key, "=\x00") { |
| 51 | return "", fmt.Errorf("key cannot contain '=' or '\\x00'") |
| 52 | } |
| 53 | if strings.Contains(val, "\x00") { |
| 54 | return "", fmt.Errorf("value cannot contain '\\x00'") |
| 55 | } |
| 56 | if len(key)+len(val)+2+len(envStr) > MaxEnvSize { |
| 57 | return "", fmt.Errorf("env string too large (max %d bytes)", MaxEnvSize) |
| 58 | } |
| 59 | envMap := EnvToMap(envStr) |
| 60 | envMap[key] = val |
| 61 | rtnStr := MapToEnv(envMap) |
| 62 | return rtnStr, nil |
| 63 | } |
| 64 | |
| 65 | func RmEnv(envStr string, key string) string { |
| 66 | envMap := EnvToMap(envStr) |