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// mod.rs
// *************************************************************************
// * Copyright (C) 2019 Daniel Mueller (deso@posteo.net) *
// * *
// * This program is free software: you can redistribute it and/or modify *
// * it under the terms of the GNU General Public License as published by *
// * the Free Software Foundation, either version 3 of the License, or *
// * (at your option) any later version. *
// * *
// * This program is distributed in the hope that it will be useful, *
// * but WITHOUT ANY WARRANTY; without even the implied warranty of *
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
// * GNU General Public License for more details. *
// * *
// * You should have received a copy of the GNU General Public License *
// * along with this program. If not, see <http://www.gnu.org/licenses/>. *
// *************************************************************************
use std::fmt;
use nitrokey_test::test as test_device;
// TODO: This is a hack to make the nitrokey-test crate work across
// module boundaries. Upon first use of the nitrokey_test::test
// macro a new function, __nitrokey_mutex, will be emitted, but it
// is not visible in a different module. To work around that we
// trigger the macro here first and then `use super::*` from all
// of the submodules.
#[test_device]
fn dummy() {}
mod run;
mod status;
/// An `Option<IntoArg>` that represents a non-present device. Rust can
/// be notoriously bad at inferring type parameters and this constant
/// alleviates the pain.
const NO_DEV: Option<nitrokey::Pro> = None;
/// A trait for conversion of a nitrokey::Device into an argument
/// representing the device model that the program recognizes.
pub trait IntoArg {
fn into_arg(self) -> &'static str;
}
impl IntoArg for nitrokey::Pro {
fn into_arg(self) -> &'static str {
"--model=pro"
}
}
impl IntoArg for nitrokey::Storage {
fn into_arg(self) -> &'static str {
"--model=storage"
}
}
impl IntoArg for nitrokey::DeviceWrapper {
fn into_arg(self) -> &'static str {
match self {
nitrokey::DeviceWrapper::Pro(x) => x.into_arg(),
nitrokey::DeviceWrapper::Storage(x) => x.into_arg(),
}
}
}
/// A trait simplifying checking for expected errors.
pub trait UnwrapError {
/// Unwrap an Error::Error variant.
fn unwrap_str_err(self) -> String;
}
impl<T> UnwrapError for crate::Result<T>
where
T: fmt::Debug,
{
fn unwrap_str_err(self) -> String {
match self.unwrap_err() {
crate::Error::Error(err) => err,
err => panic!("Unexpected error variant found: {:?}", err),
}
}
}
mod nitrocli {
use super::*;
use crate::args;
use crate::Result;
use crate::RunCtx;
fn do_run<F, R, I>(device: Option<I>, args: &[&'static str], f: F) -> (R, Vec<u8>, Vec<u8>)
where
F: FnOnce(&mut RunCtx<'_>, Vec<String>) -> R,
I: IntoArg,
{
let args = ["nitrocli"]
.into_iter()
.cloned()
.chain(device.into_iter().map(IntoArg::into_arg))
.chain(args.into_iter().cloned())
.map(ToOwned::to_owned)
.collect();
let mut stdout = Vec::new();
let mut stderr = Vec::new();
let ctx = &mut RunCtx {
stdout: &mut stdout,
stderr: &mut stderr,
};
(f(ctx, args), stdout, stderr)
}
/// Run `nitrocli`'s `run` function.
pub fn run<I>(device: Option<I>, args: &[&'static str]) -> (i32, Vec<u8>, Vec<u8>)
where
I: IntoArg,
{
do_run(device, args, |c, a| crate::run(c, a))
}
/// Run `nitrocli`'s `handle_arguments` function.
pub fn handle<I>(device: Option<I>, args: &[&'static str]) -> Result<String>
where
I: IntoArg,
{
let (res, out, _) = do_run(device, args, |c, a| args::handle_arguments(c, a));
res.map(|_| String::from_utf8_lossy(&out).into_owned())
}
}
|
