1 //
2 // Copyright 2019, Google Inc.
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31 // Alternatively, this software may be distributed under the terms of the
32 // GNU General Public License ("GPL") version 2 as published by the Free
33 // Software Foundation.
34 //
35
36 use std::ffi::OsStr;
37 use std::fs;
38 use std::io::Result as IoResult;
39 use std::process::{Command, Stdio};
40
41 use super::utils;
42
dmidecode_dispatch<S: AsRef<OsStr>>(args: &[S]) -> IoResult<String>43 fn dmidecode_dispatch<S: AsRef<OsStr>>(args: &[S]) -> IoResult<String> {
44 let output = Command::new("/usr/sbin/dmidecode")
45 .args(args)
46 .stdin(Stdio::null())
47 .output()?;
48
49 if !output.status.success() {
50 return Err(utils::translate_command_error(&output));
51 }
52 Ok(String::from_utf8_lossy(&output.stdout).into_owned())
53 }
54
system_info() -> IoResult<String>55 pub fn system_info() -> IoResult<String> {
56 dmidecode_dispatch(&["-q", "-t1"])
57 }
58
bios_info() -> IoResult<String>59 pub fn bios_info() -> IoResult<String> {
60 dmidecode_dispatch(&["-q", "-t0"])
61 }
62
release_description() -> IoResult<String>63 pub fn release_description() -> IoResult<String> {
64 for l in fs::read_to_string("/etc/lsb-release")?.lines() {
65 if l.starts_with("CHROMEOS_RELEASE_DESCRIPTION") {
66 return Ok(l.to_string());
67 }
68 }
69 Err(std::io::ErrorKind::NotFound.into())
70 }
71