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// main.rs
// *************************************************************************
// * Copyright (C) 2017-2019 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/>. *
// *************************************************************************
#![deny(
dead_code,
duplicate_associated_type_bindings,
illegal_floating_point_literal_pattern,
improper_ctypes,
intra_doc_link_resolution_failure,
late_bound_lifetime_arguments,
missing_copy_implementations,
missing_debug_implementations,
missing_docs,
no_mangle_generic_items,
non_shorthand_field_patterns,
overflowing_literals,
path_statements,
patterns_in_fns_without_body,
plugin_as_library,
private_in_public,
proc_macro_derive_resolution_fallback,
safe_packed_borrows,
stable_features,
trivial_bounds,
trivial_numeric_casts,
type_alias_bounds,
tyvar_behind_raw_pointer,
unconditional_recursion,
unions_with_drop_fields,
unreachable_code,
unreachable_patterns,
unstable_features,
unstable_name_collisions,
unused,
unused_comparisons,
unused_import_braces,
unused_lifetimes,
unused_qualifications,
unused_results,
where_clauses_object_safety,
while_true
)]
#![warn(
bad_style,
future_incompatible,
nonstandard_style,
renamed_and_removed_lints,
rust_2018_compatibility,
rust_2018_idioms
)]
//! Nitrocli is a program providing a command line interface to certain
//! commands of Nitrokey Pro and Storage devices.
#[macro_use]
mod redefine;
#[macro_use]
mod arg_util;
mod args;
mod commands;
mod error;
mod pinentry;
#[cfg(test)]
mod tests;
use std::env;
use std::ffi;
use std::io;
use std::process;
use std::result;
use crate::error::Error;
type Result<T> = result::Result<T, Error>;
const NITROCLI_ADMIN_PIN: &str = "NITROCLI_ADMIN_PIN";
const NITROCLI_USER_PIN: &str = "NITROCLI_USER_PIN";
const NITROCLI_NEW_ADMIN_PIN: &str = "NITROCLI_NEW_ADMIN_PIN";
const NITROCLI_NEW_USER_PIN: &str = "NITROCLI_NEW_USER_PIN";
/// The context used when running the program.
pub(crate) struct RunCtx<'io> {
/// The `Write` object used as standard output throughout the program.
pub stdout: &'io mut dyn io::Write,
/// The `Write` object used as standard error throughout the program.
pub stderr: &'io mut dyn io::Write,
/// The admin PIN, if provided through an environment variable.
pub admin_pin: Option<ffi::OsString>,
/// The user PIN, if provided through an environment variable.
pub user_pin: Option<ffi::OsString>,
/// The new admin PIN to set, if provided through an environment variable.
///
/// This variable is only used by commands that change the admin PIN.
pub new_admin_pin: Option<ffi::OsString>,
/// The new user PIN, if provided through an environment variable.
///
/// This variable is only used by commands that change the user PIN.
pub new_user_pin: Option<ffi::OsString>,
}
fn run<'ctx, 'io: 'ctx>(ctx: &'ctx mut RunCtx<'io>, args: Vec<String>) -> i32 {
match args::handle_arguments(ctx, args) {
Ok(()) => 0,
Err(err) => match err {
Error::ArgparseError(err) => match err {
// argparse printed the help message
0 => 0,
// argparse printed an error message
_ => 1,
},
_ => {
let _ = eprintln!(ctx, "{}", err);
1
}
},
}
}
fn main() {
let args = env::args().collect::<Vec<_>>();
let ctx = &mut RunCtx {
stdout: &mut io::stdout(),
stderr: &mut io::stderr(),
admin_pin: env::var_os(NITROCLI_ADMIN_PIN),
user_pin: env::var_os(NITROCLI_USER_PIN),
new_admin_pin: env::var_os(NITROCLI_NEW_ADMIN_PIN),
new_user_pin: env::var_os(NITROCLI_NEW_USER_PIN),
};
process::exit(run(ctx, args));
}
|
