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api: tape key restore: fix optional param handling and code refactoring 

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2022-04-13 16:51:14 +02:00
parent ae60eed310
commit ede9dc0d1a
2 changed files with 19 additions and 27 deletions
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28
src/api2/config/tape_encryption_keys.rs
View File

@ -185,7 +185,7 @@ pub fn change_passphrase(
optional: true,
},
key: {
description: "A previously exported paperkey in JSON format.",
description: "Restore/Re-create a key from this JSON string.",
type: String,
min_length: 300,
max_length: 600,
@ -206,42 +206,38 @@ pub fn create_key(
password: String,
hint: Option<String>,
key: Option<String>,
_rpcenv: &mut dyn RpcEnvironment
_rpcenv: &mut dyn RpcEnvironment,
) -> Result<Fingerprint, Error> {
let kdf = kdf.unwrap_or_default();
if key.is_none() {
if let Kdf::None = kdf {
param_bail!(
"kdf",
format_err!("Please specify a key derivation function (none is not allowed here).")
);
}
if hint.is_none() && key.is_none() {
param_bail!(
"hint",
format_err!("Please specify either a hint or a key")
);
if hint.is_none() {
param_bail!("hint", format_err!("Please specify either a hint or a key"));
}
}
let (key_decrypt, mut key_config, fingerprint) = match key {
let (key_decrypt, mut key_config) = match key {
Some(key) => {
let key_config: KeyConfig =
serde_json::from_str(&key).map_err(|err| format_err!("<errmsg>: {}", err))?;
let password_fn = || Ok(password.as_bytes().to_vec());
let (key_decrypt, _created, fingerprint) = key_config.decrypt(&password_fn)?;
(key_decrypt, key_config, fingerprint)
}
None => {
let (key_decrypt, key_config) = KeyConfig::new(password.as_bytes(), kdf)?;
let fingerprint = key_config.fingerprint.clone().unwrap();
(key_decrypt, key_config, fingerprint)
let (key_decrypt, _created, _fp) =
key_config.decrypt(&|| Ok(password.as_bytes().to_vec()))?;
(key_decrypt, key_config)
}
None => KeyConfig::new(password.as_bytes(), kdf)?,
};
if hint.is_some() {
key_config.hint = hint;
}
let fingerprint = key_config.fingerprint.clone().unwrap();
insert_key(key_decrypt, key_config, false)?;
Ok(fingerprint)

6
src/api2/tape/drive.rs
View File

@ -620,11 +620,7 @@ fn write_media_label(
},
)]
/// Try to restore a tape encryption key
pub async fn restore_key(
drive: String,
password: String,
) -> Result<(), Error> {
pub async fn restore_key(drive: String, password: String) -> Result<(), Error> {
run_drive_blocking_task(drive.clone(), "restore key".to_string(), move |config| {
let mut drive = open_drive(&config, &drive)?;