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Die on missing uinput #1

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Die on missing uinput #1

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e7b7133
Change bool to result, clippy, fmt
david-soto-m Apr 11, 2022
3871f7a
kbcterror
david-soto-m Apr 11, 2022
b319859
don't panic
david-soto-m Apr 16, 2022
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35 changes: 20 additions & 15 deletions src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -267,36 +267,41 @@ impl EventObserver for KeyLogger {
}
}

fn check_uinput_loaded() -> bool {
let mut kernel_version = std::fs::read_to_string("/proc/version").unwrap();
kernel_version = kernel_version.to_string().split(' ').nth(2).unwrap().to_string();

let built_in_modules = std::fs::read_to_string(String::from("/lib/modules/") + &kernel_version + &String::from("/modules.builtin")).unwrap();
fn check_uinput_loaded() -> Result<()> {
let mut kernel_version = std::fs::read_to_string("/proc/version")?;
kernel_version = kernel_version.split(' ').nth(2).unwrap().to_string();
let built_in_modules_file =
String::from("/lib/modules/") + &kernel_version + &String::from("/modules.builtin");
let built_in_modules = std::fs::read_to_string(&built_in_modules_file)?;
for line in built_in_modules.lines() {
if line.eq("kernel/drivers/input/misc/uinput.ko") {
info!("'uinput' is built into running kernel version: {}", kernel_version);
return true;
info!(
"'uinput' is built into running kernel version: {}",
kernel_version
);
return Ok(());
}
}

let modules = std::fs::read_to_string("/proc/modules").unwrap();
let modules = std::fs::read_to_string("/proc/modules")?;
for line in modules.lines() {
if line.starts_with("uinput ") {
info!("'uinput' module is loaded");
return true;
return Ok(());
}
}
return false;
Err(KbctError::Error(
"'uinput' module must be loaded OR built into the kernel".into(),
))
}

fn start_mapper_from_file_conf(config_file: String) -> Result<()> {
if !check_uinput_loaded() {
panic!("'uinput' module must be loaded OR built into the kernel");
}
check_uinput_loaded().unwrap();
let config = serde_yaml::from_str(
&*std::fs::read_to_string(config_file.as_str())
.expect(&format!("Could not open file {}", config_file)))
.expect("Could not parse the configuration yaml file");
.expect(&format!("Could not open file {}", config_file)),
)
.expect("Could not parse the configuration yaml file");
start_mapper(config)
}

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