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70 lines
2.5 KiB
Rust
70 lines
2.5 KiB
Rust
// Copyright 2015, Igor Shaula
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// Licensed under the MIT License <LICENSE or
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// http://opensource.org/licenses/MIT>. This file
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// may not be copied, modified, or distributed
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// except according to those terms.
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extern crate winreg;
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use std::io;
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use std::path::Path;
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use winreg::enums::*;
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use winreg::RegKey;
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fn main() -> io::Result<()> {
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println!("Reading some system info...");
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let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
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let cur_ver = hklm.open_subkey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion")?;
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let pf: String = cur_ver.get_value("ProgramFilesDir")?;
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let dp: String = cur_ver.get_value("DevicePath")?;
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println!("ProgramFiles = {}\nDevicePath = {}", pf, dp);
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let info = cur_ver.query_info()?;
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println!("info = {:?}", info);
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let mt = info.get_last_write_time_system();
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println!(
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"last_write_time as winapi::um::minwinbase::SYSTEMTIME = {}-{:02}-{:02} {:02}:{:02}:{:02}",
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mt.wYear, mt.wMonth, mt.wDay, mt.wHour, mt.wMinute, mt.wSecond
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);
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println!(
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"last_write_time as chrono::NaiveDateTime = {}",
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info.get_last_write_time_chrono()
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);
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println!("And now lets write something...");
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let hkcu = RegKey::predef(HKEY_CURRENT_USER);
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let path = Path::new("Software").join("WinregRsExample1");
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let (key, disp) = hkcu.create_subkey(&path)?;
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match disp {
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REG_CREATED_NEW_KEY => println!("A new key has been created"),
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REG_OPENED_EXISTING_KEY => println!("An existing key has been opened"),
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}
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key.set_value("TestSZ", &"written by Rust")?;
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let sz_val: String = key.get_value("TestSZ")?;
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key.delete_value("TestSZ")?;
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println!("TestSZ = {}", sz_val);
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key.set_value("TestMultiSZ", &vec!["written", "by", "Rust"])?;
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let multi_sz_val: Vec<String> = key.get_value("TestMultiSZ")?;
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key.delete_value("TestMultiSZ")?;
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println!("TestMultiSZ = {:?}", multi_sz_val);
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key.set_value("TestDWORD", &1_234_567_890u32)?;
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let dword_val: u32 = key.get_value("TestDWORD")?;
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println!("TestDWORD = {}", dword_val);
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key.set_value("TestQWORD", &1_234_567_891_011_121_314u64)?;
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let qword_val: u64 = key.get_value("TestQWORD")?;
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println!("TestQWORD = {}", qword_val);
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key.create_subkey("sub\\key")?;
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hkcu.delete_subkey_all(&path)?;
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println!("Trying to open nonexistent key...");
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hkcu.open_subkey(&path).unwrap_or_else(|e| match e.kind() {
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io::ErrorKind::NotFound => panic!("Key doesn't exist"),
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io::ErrorKind::PermissionDenied => panic!("Access denied"),
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_ => panic!("{:?}", e),
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});
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Ok(())
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}
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