ferrix_app/
kernel.rs

1/* kernel.rs
2 *
3 * Copyright 2025 Michail Krasnov <mskrasnov07@ya.ru>
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
17 *
18 * SPDX-License-Identifier: GPL-3.0-or-later
19 */
20
21//! Information about kernel modules
22
23// TODO v0.5.0: use this module to get modules info!
24
25use anyhow::Result;
26use async_std::task;
27use ferrix_lib::sys::KModules;
28use serde::{Serialize, Deserialize};
29use std::process::Command;
30
31use crate::DataLoadingState;
32
33pub async fn get_kmodules() -> DataLoadingState<KResult> {
34    let output = task::spawn_blocking(|| {
35        Command::new("pkexec")
36            .arg("/usr/bin/ferrix-polkit")
37            .arg("kmods")
38            .output()
39    })
40    .await;
41
42    if let Err(why) = output {
43        return DataLoadingState::Error(why.to_string());
44    }
45    let output = output.unwrap();
46    if !output.status.success() {
47        return DataLoadingState::Error(format!(
48            "[ferrix-polkit] Non-zero return code:\n{}",
49            String::from_utf8_lossy(&output.stderr)
50        ));
51    }
52
53    let json_str = String::from_utf8_lossy(&output.stdout);
54    let json_data = KResult::from_json(&json_str);
55
56    match json_data {
57        Ok(data) => DataLoadingState::Loaded(data),
58        Err(why) => DataLoadingState::Error(why.to_string()),
59    }
60}
61
62#[derive(Debug, Serialize, Deserialize, Clone)]
63#[serde(untagged)]
64pub enum KResult {
65    Ok { data: KModules },
66    Err { error: String },
67}
68
69impl KResult {
70    pub fn new() -> Self {
71        match KModules::new() {
72            Ok(data) => Self::Ok { data, },
73            Err(why) => Self::Err { error: why.to_string(), },
74        }
75    }
76
77    pub fn to_json(&self) -> Result<String> {
78        Ok(serde_json::to_string(&self)?)
79    }
80
81    pub fn from_json(json: &str) -> Result<Self> {
82        Ok(serde_json::from_str(json)?)
83    }
84}
ferrix_app/kernel.rs

ferrix_app/
kernel.rs
