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-rw-r--r--nitrocli/CHANGELOG.md2
-rw-r--r--nitrocli/doc/nitrocli.16
-rw-r--r--nitrocli/doc/nitrocli.1.pdfbin14794 -> 15579 bytes
-rw-r--r--nitrocli/src/args.rs2
-rw-r--r--nitrocli/src/commands.rs88
-rw-r--r--nitrocli/src/pinentry.rs86
6 files changed, 118 insertions, 66 deletions
diff --git a/nitrocli/CHANGELOG.md b/nitrocli/CHANGELOG.md
index 77841dd..52ff45c 100644
--- a/nitrocli/CHANGELOG.md
+++ b/nitrocli/CHANGELOG.md
@@ -1,5 +1,7 @@
Unreleased
----------
+- Store cached PINs on a per-device basis to better support multi-device
+ scenarios
- Further decrease binary size by using system allocator
diff --git a/nitrocli/doc/nitrocli.1 b/nitrocli/doc/nitrocli.1
index 9537439..dbbaf2b 100644
--- a/nitrocli/doc/nitrocli.1
+++ b/nitrocli/doc/nitrocli.1
@@ -1,4 +1,4 @@
-.TH NITROCLI 1 2019-01-10
+.TH NITROCLI 1 2019-01-11
.SH NAME
nitrocli \- access Nitrokey devices
.SH SYNOPSIS
@@ -201,7 +201,9 @@ reset using \fBgpg\fR(1).
Use the \fBstatus\fR command to check the retry counters.
.TP
.B nitrocli pin clear
-Clear the PINs cached by the other commands.
+Clear the PINs cached by the other commands. Note that cached PINs are
+associated with the device they belong to and the \fBclear\fR command will only
+clear the PIN for the currently used device, not all others.
.TP
\fBnitrocli pin set \fItype\fR
Change a PIN.
diff --git a/nitrocli/doc/nitrocli.1.pdf b/nitrocli/doc/nitrocli.1.pdf
index f93e3b7..a823db0 100644
--- a/nitrocli/doc/nitrocli.1.pdf
+++ b/nitrocli/doc/nitrocli.1.pdf
Binary files differ
diff --git a/nitrocli/src/args.rs b/nitrocli/src/args.rs
index f4e0758..b15ca65 100644
--- a/nitrocli/src/args.rs
+++ b/nitrocli/src/args.rs
@@ -631,7 +631,7 @@ fn pin_clear(ctx: &mut ExecCtx<'_>, args: Vec<String>) -> Result<()> {
parser.set_description("Clears the cached PINs");
parse(ctx, &parser, args)?;
- commands::pin_clear()
+ commands::pin_clear(ctx)
}
/// Change a PIN.
diff --git a/nitrocli/src/commands.rs b/nitrocli/src/commands.rs
index 209fb8f..00a594f 100644
--- a/nitrocli/src/commands.rs
+++ b/nitrocli/src/commands.rs
@@ -81,13 +81,18 @@ fn get_storage_device(ctx: &mut args::ExecCtx<'_>) -> Result<nitrokey::Storage>
}
/// Open the password safe on the given device.
-fn get_password_safe<'dev>(
+fn get_password_safe<'dev, D>(
ctx: &mut args::ExecCtx<'_>,
- device: &'dev dyn Device,
-) -> Result<nitrokey::PasswordSafe<'dev>> {
+ device: &'dev D,
+) -> Result<nitrokey::PasswordSafe<'dev>>
+where
+ D: Device,
+{
+ let pin_entry = pinentry::PinEntry::from(pinentry::PinType::User, device)?;
+
try_with_pin_and_data(
ctx,
- pinentry::PinType::User,
+ &pin_entry,
"Could not access the password safe",
(),
|_, pin| device.get_password_safe(pin).map_err(|err| ((), err)),
@@ -108,7 +113,9 @@ where
D: Device,
F: Fn(D, &str) -> result::Result<A, (D, nitrokey::CommandError)>,
{
- try_with_pin_and_data(ctx, pin_type, msg, device, op)
+ let pin_entry = pinentry::PinEntry::from(pin_type, &device)?;
+
+ try_with_pin_and_data(ctx, &pin_entry, msg, device, op)
}
/// Authenticate the given device with the user PIN.
@@ -167,7 +174,7 @@ fn get_volume_status(status: &nitrokey::VolumeStatus) -> &'static str {
/// second or third try, it will call `op` with the data returned by the
/// previous call to `op`.
fn try_with_pin_and_data_with_pinentry<D, F, R>(
- pin_type: pinentry::PinType,
+ pin_entry: &pinentry::PinEntry,
msg: &'static str,
data: D,
op: F,
@@ -179,12 +186,12 @@ where
let mut retry = 3;
let mut error_msg = None;
loop {
- let pin = pinentry::inquire_pin(pin_type, pinentry::Mode::Query, error_msg)?;
+ let pin = pinentry::inquire_pin(pin_entry, pinentry::Mode::Query, error_msg)?;
match op(data, &pin) {
Ok(result) => return Ok(result),
Err((new_data, err)) => match err {
nitrokey::CommandError::WrongPassword => {
- pinentry::clear_pin(pin_type)?;
+ pinentry::clear_pin(pin_entry)?;
retry -= 1;
if retry > 0 {
@@ -203,7 +210,7 @@ where
/// Try to execute the given function with a PIN.
fn try_with_pin_and_data<D, F, R>(
ctx: &mut args::ExecCtx<'_>,
- pin_type: pinentry::PinType,
+ pin_entry: &pinentry::PinEntry,
msg: &'static str,
data: D,
op: F,
@@ -211,7 +218,7 @@ fn try_with_pin_and_data<D, F, R>(
where
F: Fn(D, &str) -> result::Result<R, (D, nitrokey::CommandError)>,
{
- let pin = match pin_type {
+ let pin = match pin_entry.pin_type() {
pinentry::PinType::Admin => &ctx.admin_pin,
pinentry::PinType::User => &ctx.user_pin,
};
@@ -225,7 +232,7 @@ where
})?;
op(data, &pin).map_err(|(_, err)| get_error(msg, err))
} else {
- try_with_pin_and_data_with_pinentry(pin_type, msg, data, op)
+ try_with_pin_and_data_with_pinentry(pin_entry, msg, data, op)
}
}
@@ -235,14 +242,14 @@ where
/// it refrains from passing any data to it.
fn try_with_pin<F>(
ctx: &mut args::ExecCtx<'_>,
- pin_type: pinentry::PinType,
+ pin_entry: &pinentry::PinEntry,
msg: &'static str,
op: F,
) -> Result<()>
where
F: Fn(&str) -> result::Result<(), nitrokey::CommandError>,
{
- try_with_pin_and_data(ctx, pin_type, msg, (), |data, pin| {
+ try_with_pin_and_data(ctx, pin_entry, msg, (), |data, pin| {
op(pin).map_err(|err| (data, err))
})
}
@@ -287,12 +294,11 @@ pub fn status(ctx: &mut args::ExecCtx<'_>) -> Result<()> {
/// Open the encrypted volume on the nitrokey.
pub fn storage_open(ctx: &mut args::ExecCtx<'_>) -> Result<()> {
let device = get_storage_device(ctx)?;
- try_with_pin(
- ctx,
- pinentry::PinType::User,
- "Opening encrypted volume failed",
- |pin| device.enable_encrypted_volume(&pin),
- )
+ let pin_entry = pinentry::PinEntry::from(pinentry::PinType::User, &device)?;
+
+ try_with_pin(ctx, &pin_entry, "Opening encrypted volume failed", |pin| {
+ device.enable_encrypted_volume(&pin)
+ })
}
/// Close the previously opened encrypted volume.
@@ -573,9 +579,14 @@ pub fn otp_status(ctx: &mut args::ExecCtx<'_>, all: bool) -> Result<()> {
}
/// Clear the PIN stored by various operations.
-pub fn pin_clear() -> Result<()> {
- pinentry::clear_pin(pinentry::PinType::Admin)?;
- pinentry::clear_pin(pinentry::PinType::User)?;
+pub fn pin_clear(ctx: &mut args::ExecCtx<'_>) -> Result<()> {
+ let device = get_device(ctx)?;
+
+ pinentry::clear_pin(&pinentry::PinEntry::from(
+ pinentry::PinType::Admin,
+ &device,
+ )?)?;
+ pinentry::clear_pin(&pinentry::PinEntry::from(pinentry::PinType::User, &device)?)?;
Ok(())
}
@@ -594,14 +605,14 @@ fn check_pin(pin_type: pinentry::PinType, pin: &str) -> Result<()> {
}
}
-fn choose_pin_with_pinentry(pin_type: pinentry::PinType) -> Result<String> {
- pinentry::clear_pin(pin_type)?;
- let new_pin = pinentry::inquire_pin(pin_type, pinentry::Mode::Choose, None)?;
- pinentry::clear_pin(pin_type)?;
- check_pin(pin_type, &new_pin)?;
+fn choose_pin_with_pinentry(pin_entry: &pinentry::PinEntry) -> Result<String> {
+ pinentry::clear_pin(pin_entry)?;
+ let new_pin = pinentry::inquire_pin(pin_entry, pinentry::Mode::Choose, None)?;
+ pinentry::clear_pin(pin_entry)?;
+ check_pin(pin_entry.pin_type(), &new_pin)?;
- let confirm_pin = pinentry::inquire_pin(pin_type, pinentry::Mode::Confirm, None)?;
- pinentry::clear_pin(pin_type)?;
+ let confirm_pin = pinentry::inquire_pin(pin_entry, pinentry::Mode::Confirm, None)?;
+ pinentry::clear_pin(pin_entry)?;
if new_pin != confirm_pin {
Err(Error::from("Entered PINs do not match"))
@@ -616,10 +627,10 @@ fn choose_pin_with_pinentry(pin_type: pinentry::PinType) -> Result<String> {
/// given PIN type, it will be used.
fn choose_pin(
ctx: &mut args::ExecCtx<'_>,
- pin_type: pinentry::PinType,
+ pin_entry: &pinentry::PinEntry,
new: bool,
) -> Result<String> {
- let new_pin = match pin_type {
+ let new_pin = match pin_entry.pin_type() {
pinentry::PinType::Admin => {
if new {
&ctx.new_admin_pin
@@ -642,17 +653,19 @@ fn choose_pin(
.ok_or_else(|| Error::from("Failed to read PIN: invalid Unicode data found"))
.map(ToOwned::to_owned)
} else {
- choose_pin_with_pinentry(pin_type)
+ choose_pin_with_pinentry(pin_entry)
}
}
/// Change a PIN.
pub fn pin_set(ctx: &mut args::ExecCtx<'_>, pin_type: pinentry::PinType) -> Result<()> {
let device = get_device(ctx)?;
- let new_pin = choose_pin(ctx, pin_type, true)?;
+ let pin_entry = pinentry::PinEntry::from(pin_type, &device)?;
+ let new_pin = choose_pin(ctx, &pin_entry, true)?;
+
try_with_pin(
ctx,
- pin_type,
+ &pin_entry,
"Could not change the PIN",
|current_pin| match pin_type {
pinentry::PinType::Admin => device.change_admin_pin(&current_pin, &new_pin),
@@ -664,10 +677,13 @@ pub fn pin_set(ctx: &mut args::ExecCtx<'_>, pin_type: pinentry::PinType) -> Resu
/// Unblock and reset the user PIN.
pub fn pin_unblock(ctx: &mut args::ExecCtx<'_>) -> Result<()> {
let device = get_device(ctx)?;
- let user_pin = choose_pin(ctx, pinentry::PinType::User, false)?;
+ let pin_entry = pinentry::PinEntry::from(pinentry::PinType::User, &device)?;
+ let user_pin = choose_pin(ctx, &pin_entry, false)?;
+ let pin_entry = pinentry::PinEntry::from(pinentry::PinType::Admin, &device)?;
+
try_with_pin(
ctx,
- pinentry::PinType::Admin,
+ &pin_entry,
"Could not unblock the user PIN",
|admin_pin| device.unlock_user_pin(&admin_pin, &user_pin),
)
diff --git a/nitrocli/src/pinentry.rs b/nitrocli/src/pinentry.rs
index d54a182..1eecdd0 100644
--- a/nitrocli/src/pinentry.rs
+++ b/nitrocli/src/pinentry.rs
@@ -46,34 +46,66 @@ impl str::FromStr for PinType {
}
}
-impl PinType {
- fn cache_id(self) -> &'static str {
- match self {
- PinType::Admin => "nitrocli:admin",
- PinType::User => "nitrocli:user",
+#[derive(Debug)]
+pub struct PinEntry {
+ pin_type: PinType,
+ model: nitrokey::Model,
+ serial: String,
+}
+
+impl PinEntry {
+ pub fn from<D>(pin_type: PinType, device: &D) -> crate::Result<Self>
+ where
+ D: nitrokey::Device,
+ {
+ let model = device.get_model();
+ let serial = device.get_serial_number()?;
+ Ok(Self {
+ pin_type,
+ model,
+ serial,
+ })
+ }
+
+ fn cache_id(&self) -> String {
+ let model = self.model.to_string().to_lowercase();
+ let suffix = format!("{}:{}", model, self.serial);
+
+ match self.pin_type {
+ PinType::Admin => format!("nitrocli:admin:{}", suffix),
+ PinType::User => format!("nitrocli:user:{}", suffix),
}
}
- fn prompt(self) -> &'static str {
- match self {
+ fn prompt(&self) -> &'static str {
+ match self.pin_type {
PinType::Admin => "Admin PIN",
PinType::User => "User PIN",
}
}
- fn description(self, mode: Mode) -> &'static str {
- match self {
- PinType::Admin => match mode {
- Mode::Choose => "Please enter a new admin PIN",
- Mode::Confirm => "Please confirm the new admin PIN",
- Mode::Query => "Please enter the admin PIN",
+ fn description(&self, mode: Mode) -> String {
+ format!(
+ "{} for\rNitrokey {} {}",
+ match self.pin_type {
+ PinType::Admin => match mode {
+ Mode::Choose => "Please enter a new admin PIN",
+ Mode::Confirm => "Please confirm the new admin PIN",
+ Mode::Query => "Please enter the admin PIN",
+ },
+ PinType::User => match mode {
+ Mode::Choose => "Please enter a new user PIN",
+ Mode::Confirm => "Please confirm the new user PIN",
+ Mode::Query => "Please enter the user PIN",
+ },
},
- PinType::User => match mode {
- Mode::Choose => "Please enter a new user PIN",
- Mode::Confirm => "Please confirm the new user PIN",
- Mode::Query => "Please enter the user PIN",
- },
- }
+ self.model,
+ self.serial,
+ )
+ }
+
+ pub fn pin_type(&self) -> PinType {
+ self.pin_type
}
}
@@ -134,18 +166,18 @@ where
/// description and to decide whether a quality bar is shown in the
/// dialog.
pub fn inquire_pin(
- pin_type: PinType,
+ pin_entry: &PinEntry,
mode: Mode,
error_msg: Option<&str>,
) -> Result<String, Error> {
- let cache_id = pin_type.cache_id();
+ let cache_id = pin_entry.cache_id();
let error_msg = error_msg
.map(|msg| msg.replace(" ", "+"))
.unwrap_or_else(|| String::from("+"));
- let prompt = pin_type.prompt().replace(" ", "+");
- let description = pin_type.description(mode).replace(" ", "+");
+ let prompt = pin_entry.prompt().replace(" ", "+");
+ let description = pin_entry.description(mode).replace(" ", "+");
- let args = vec![cache_id, &error_msg, &prompt, &description].join(" ");
+ let args = vec![cache_id, error_msg, prompt, description].join(" ");
let mut command = "GET_PASSPHRASE --data ".to_string();
if mode.show_quality_bar() {
command += "--qualitybar ";
@@ -178,9 +210,9 @@ where
Err(Error::Error(format!("Unexpected response: {}", string)))
}
-/// Clear the cached pin of the given type.
-pub fn clear_pin(pin_type: PinType) -> Result<(), Error> {
- let command = "CLEAR_PASSPHRASE ".to_string() + pin_type.cache_id();
+/// Clear the cached pin represented by the given entry.
+pub fn clear_pin(pin_entry: &PinEntry) -> Result<(), Error> {
+ let command = format!("CLEAR_PASSPHRASE {}", pin_entry.cache_id());
let output = process::Command::new("gpg-connect-agent")
.arg(command)
.arg("/bye")
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-21 17:22:11 +0000