shimun/fido2luks
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get format

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shimun
2020-04-27 18:12:06 +02:00
parent 5c0364587e
commit 1547f5e199
1 changed files with 3 additions and 11 deletions
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14
src/luks.rs
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@@ -1,20 +1,12 @@
use crate::error::*; use crate::error::*;
use libcryptsetup_rs::{CryptActivateFlags, CryptDevice, CryptInit, EncryptionFormat, KeyslotInfo}; use libcryptsetup_rs::{CryptActivateFlags, CryptDevice, CryptInit, KeyslotInfo};
use std::path::Path; use std::path::Path;
fn load_device_handle<P: AsRef<Path>>(path: P) -> Fido2LuksResult<CryptDevice> { fn load_device_handle<P: AsRef<Path>>(path: P) -> Fido2LuksResult<CryptDevice> {
let mut device = CryptInit::init(path.as_ref())?; let mut device = CryptInit::init(path.as_ref())?;
//TODO: determine luks version some way other way than just trying let format = device.format_handle().get_type()?;
let mut load = |format| device.context_handle().load::<()>(format, None).map(|_| ()); device.context_handle().load::<()>(format, None).map(|_| ())?;
vec![EncryptionFormat::Luks2, EncryptionFormat::Luks1]
.into_iter()
.fold(None, |res, format| match res {
Some(Ok(())) => res,
Some(e) => Some(e.or_else(|_| load(format))),
None => Some(load(format)),
})
.unwrap()?;
Ok(device) Ok(device)
} }