hostcraft_core/
platform.rs

1use crate::error::{HostCraftError, Result};
2use crate::file;
3use crate::host::HostEntry;
4use std::path::{Path, PathBuf};
5
6pub fn get_hosts_path() -> Result<PathBuf> {
7    match std::env::consts::OS {
8        "windows" => {
9            let root = std::env::var("SystemRoot").unwrap_or_else(|_| "C:\\Windows".to_string());
10            Ok(PathBuf::from(root)
11                .join("System32")
12                .join("drivers")
13                .join("etc")
14                .join("hosts"))
15        }
16        "macos" | "linux" => Ok(PathBuf::from("/etc/hosts")),
17        other => Err(HostCraftError::UnsupportedPlatform(other.to_string())),
18    }
19}
20
21pub fn write_hosts_to(path: &Path, entries: &[HostEntry]) -> Result<()> {
22    file::write_file(path, entries).map_err(|e| {
23        if e.kind() == std::io::ErrorKind::PermissionDenied {
24            if cfg!(target_os = "windows") {
25                HostCraftError::PermissionDenied(format!(
26                    "Permission denied: run as Administrator to modify '{}'",
27                    path.display()
28                ))
29            } else {
30                HostCraftError::PermissionDenied(format!(
31                    "Permission denied: run with sudo to modify '{}'",
32                    path.display()
33                ))
34            }
35        } else {
36            HostCraftError::Io(e)
37        }
38    })
39}
40
41pub fn write_hosts(entries: &[HostEntry]) -> Result<()> {
42    write_hosts_to(&get_hosts_path()?, entries)
43}
hostcraft_core/platform.rs

hostcraft_core/
platform.rs
