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-rw-r--r--nitrokey/src/util.rs99
1 files changed, 0 insertions, 99 deletions
diff --git a/nitrokey/src/util.rs b/nitrokey/src/util.rs
deleted file mode 100644
index 5a56c55..0000000
--- a/nitrokey/src/util.rs
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright (C) 2018-2019 Robin Krahl <robin.krahl@ireas.org>
-// SPDX-License-Identifier: MIT
-
-use std::ffi::{CStr, CString};
-use std::os::raw::{c_char, c_int};
-
-use libc::{c_void, free};
-use rand_core::{OsRng, RngCore};
-
-use crate::error::{Error, LibraryError};
-
-/// Log level for libnitrokey.
-///
-/// Setting the log level to a lower level enables all output from higher levels too. Currently,
-/// only the log levels `Warning`, `DebugL1`, `Debug` and `DebugL2` are actually used.
-#[derive(Clone, Copy, Debug, PartialEq)]
-pub enum LogLevel {
- /// Error messages. Currently not used.
- Error,
- /// Warning messages.
- Warning,
- /// Informational messages. Currently not used.
- Info,
- /// Basic debug messages, especially basic information on the sent and received packets.
- DebugL1,
- /// Detailed debug messages, especially detailed information on the sent and received packets.
- Debug,
- /// Very detailed debug messages, especially detailed information about the control flow for
- /// device communication (for example function entries and exits).
- DebugL2,
-}
-
-pub fn owned_str_from_ptr(ptr: *const c_char) -> Result<String, Error> {
- unsafe { CStr::from_ptr(ptr) }
- .to_str()
- .map(String::from)
- .map_err(Error::from)
-}
-
-pub fn result_from_string(ptr: *const c_char) -> Result<String, Error> {
- if ptr.is_null() {
- return Err(Error::UnexpectedError);
- }
- let s = owned_str_from_ptr(ptr)?;
- unsafe { free(ptr as *mut c_void) };
- // An empty string can both indicate an error or be a valid return value. In this case, we
- // have to check the last command status to decide what to return.
- if s.is_empty() {
- get_last_result().map(|_| s)
- } else {
- Ok(s)
- }
-}
-
-pub fn result_or_error<T>(value: T) -> Result<T, Error> {
- get_last_result().and(Ok(value))
-}
-
-pub fn get_command_result(value: c_int) -> Result<(), Error> {
- if value == 0 {
- Ok(())
- } else {
- Err(Error::from(value))
- }
-}
-
-pub fn get_last_result() -> Result<(), Error> {
- get_command_result(unsafe { nitrokey_sys::NK_get_last_command_status() }.into())
-}
-
-pub fn get_last_error() -> Error {
- match get_last_result() {
- Ok(()) => Error::UnexpectedError,
- Err(err) => err,
- }
-}
-
-pub fn generate_password(length: usize) -> Result<Vec<u8>, Error> {
- let mut data = vec![0u8; length];
- OsRng.fill_bytes(&mut data[..]);
- Ok(data)
-}
-
-pub fn get_cstring<T: Into<Vec<u8>>>(s: T) -> Result<CString, Error> {
- CString::new(s).or_else(|_| Err(LibraryError::InvalidString.into()))
-}
-
-impl Into<i32> for LogLevel {
- fn into(self) -> i32 {
- match self {
- LogLevel::Error => 0,
- LogLevel::Warning => 1,
- LogLevel::Info => 2,
- LogLevel::DebugL1 => 3,
- LogLevel::Debug => 4,
- LogLevel::DebugL2 => 5,
- }
- }
-}