| Commit message (Collapse) | Author | Age |
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In the future we will need the ability to pass additional state that is
deduced from arguments or elsewhere into the commands module. To enable
such scenarios, this change introduces the concept of a command
execution context. Such a context can store more or less arbitrary data,
and the args module will take care of passing it through to the
individual commands.
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We have a Result::unwrap in the error path of handling io::Error
objects. I have actually seen that fail, masking the original error. We
should not unwrap there and in fact we don't have to, as io::Error
implements fmt::Display just fine.
This may have changed in the past, as the construct we had is much more
convoluted than necessary and would only have been written if a direct
formatting was not possible.
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In order to flush file system level buffers to disk we use the sync
function. The way we made this function known to the crate was by
explicitly declaring it as extern "C" and linking against libc. However,
given that we already (indirectly) depend on libc through the nitrokey
crate (and that is unlikely to change) we may as well make libc a direct
dependency and invoke the function through the crate.
Given that the libc crate is available for a variety of platforms, it
seems likely that its approach to interfacing with the system libc
library is more portable than our hand rolled version.
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With the recent update of the nitrokey create the nitrokey::CommandError
enum has become trivially copyable. Hence, there is no more point in
passing a reference to it to the get_error function.
To that end, this change adjusts the signature to accept an owned value
instead.
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This patch adds documentation and examples for the lock command to the
README and to the man page. It also adds the lock command to the
top-level help message.
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This patch implements the lock command that locks the password safe and,
on the Nitrokey Storage, the encrypted volume. See issue #18 for
details on the locking mechanism.
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This patch implements the pws status command that can be used to print
status information for the slots in the password safe.
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This patch implements the pws clear command which allows the user to
clear a slot in the password safe.
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This patch adds the pws set subcommand that writes a PWS slot.
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This patch implements the pws get subcommand that provides read access
to a slot of the password safe. Per default, all available information
– slot name, login and password – are printed. If one or more of the
options --name, --login and --password are set, only the selected fields
are printed. If --quiet is set, the field description is omitted such
that the output can be easily parsed by other applications.
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This patch adds the basic structure for the pws command that can be used
to access the password safe on the Nitrokey Pro and Nitrokey Storage.
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This change implements the pin set command which can be used to change
a Nitrokey's user or admin PIN.
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This patch implements the pin unblock command that unblocks and resets
the user PIN. The name unblock is chosen over libnitrokey's unlock to
be consistent with the GnuPG terminology and to avoid confusion with the
unrelated lock command.
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We have functionality for changing the Nitrokey's user & admin PINs as
well as for resetting the user PIN coming up. With the prospect of this
new functionality arriving, it makes sense to introduce a new top-level
command for the sole purpose of PIN management.
This change introduces such a command, pin, and moves the existing clear
command for clearing the PIN cache into it.
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The mode argument is used to specify the context of the pinentry dialog:
querying an existing passphrase or prompting the user to choose a new
PIN. It is used to choose a description and to decide whether to show a
quality bar that measures the password strength.
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This patch changes the otp get command to set the Nitrokey's time before
generating a one-time password using the TOTP algorithm. Per default,
it sets the time to the current system time. If the --time option is
set, it uses its value instead. See issue #34 [0] for a discussion of
this change.
[0] https://github.com/d-e-s-o/nitrocli/issues/34
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The 'status' command has traditionally printed information about the
connected Nitrokey and that included storage specific data if the device
present is a Nitrokey Storage.
Given that we have a root-level 'storage' command it arguably makes
sense to move the printing of the storage related status information
into a 'status' sub-command of the said command, which makes the output
more predictable.
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We have kept the code organized such that the function for handling a
command is located above the functions taking care of handling the
subcommands.
This change moves the storage_* subcommand functions below the storage
function to be more consistent with existing code.
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Upon their inception, the 'open' and 'close' commands were pretty much
the only relevant commands the program provided and it made sense to
have them reside in the root namespace. By now we support more commands
and have started to structure them in a more hierarchical fashion.
To go with the flow, this change introduces a new 'storage' command and
makes the existing 'open' and 'close' commands subcommands of it. We
chose the name 'storage' (over, say, 'volume') because we plan to move
the printing of the storage related status from the 'status' root level
command into a subcommand within 'storage'.
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This change implements the config set subcommand. The subcommand changes
the configuration of a Nitrokey device.
Its structure is more complex as it allows partial modifications: The
user does not have to change all settings, but may choose to change only
some. At the same time, the binding settings can be either set to a
value or disabled. Therefore, we have the --{num,caps,scrol}lock
options to set a value and the --no-{num,caps,scrol}lock options to
disable the value. If none of the two is set, the setting is not
changed.
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This change implements the config get subcommand. The subcommand reads
the device configuration and prints it.
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This patch adds the top-level config command. Its subcommands will
provide access to the device configuration.
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Currently, the status command fails for a Nitrokey Pro. This patch
changes the command to also print basic status information for Pro
devices. For the sake of consistency, the common status is always
queried using the common `Device` functions, even if the Storage status
includes the same information.
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This patch extracts the print_status function that prints the status
fields common to all supported Nitrokey devices from the
print_storage_status function.
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The print_status function only prints the Storage-specific status
struct. Therefore it is renamed to print_storage_status.
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This patch introduces the `otp status` subcommand that lists all OTP
slots and their current status. To avoid hardcoding the number of slots
per type, we iterate all slots until we get an `InvalidSlot` error
(assuming that the set of valid slots is {0, ..., n} for some n). The
`status` command is quite slow as we have to query each slot separately.
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This patch implements the `otp clear` subcommand that erases an OTP slot.
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This patch implements the `otp set` subcommand that configures an OTP
slot. There are two ways to specify an OTP secret: as a hexadecimal
string (that means that every two characters are interpreted as a
hexadecimal representation of one byte of the secret) or as an ASCII
string (that means that the ASCII code of every character is interpreted
as one byte of the secret). As the HOTP RFC mentions both
representations, this implementation supports both.
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This patch implements the `otp get` subcommand that allows the user to
generate a one-time password on the Nitrokey device. Before generating
the password, the device configuration is checked so that the user only
has to enter a PIN if it is required for the OTP generation.
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This patch adds the `otp` top-level command. Its subcommands provide
access to one-time passwords on the Nitrokey.
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This patch implements authentication with the user or admin PIN. This
is a preparation for the `otp get` and `otp set` commands which require
user and admin access to the Nitrokey.
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Currently, we only clear the user PIN if clear is called. This patch
changes the clear command to also clear the admin PIN as we will start
to use the admin PIN in upcoming patches.
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Currently, `open` directly calls the `pinentry` module and loops until
the user entered a correct passphrase or the retry limit is reached.
This patch moves the pinentry call and the loop into the
`try_with_passphrase_and_data` function. This function queries a
passphrase of a given type and executes a function with that passphrase.
This function has a data argument and may return data that is passed to
the next call of the function (if it failed).
This data-passing mechanism is required for the `nitrokey`
authentication functions: These functions take ownership of the device
and either return an authenticated device after successful
authentication, or an error including the unauthenticated device if the
authentication failed. This patch enables the usage of these functions
in future patches.
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Currently, invalid UTF-8 code points in the passphrase returned by
pinentry are replaced with replacement characters by
`String::from_utf8_lossy`. This patch changes the code to use
`String::from_utf8` and returns an UTF-8 error if encountered.
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This patch replaces the macro for argument parsing with
`argparse::ArgumentParser` from the argparse crate. It moves the
application logic to the `commands` module and the argument parsing to
the `options` module. An enum is used to represent the available
commands. The code is based on the `subcommands.rs` example shipped
with argparse.
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In order to prepare for the new argument parsing support based on the
argparse crate, this change factors out the existing code used for
responding to commands in a new file, commands.rs. No semantic change is
introduced.
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Spaces in the arguments for gpg-connect-agent’s `GET_PASSPHRASE` command
have to be esaced using a plus sign. Somehow this was missing for the
prompt argument. This patch adds escaping for the prompt so that the
pinentry dialog is displayed correctly.
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An automated code formatter can help tremendously in reducing the amount
of cognitive energy wasted on thinking about the "best" formatting of
code as well as the number of nitpicks reviews typically get -- the
format is machine checked (and enforced) and there is usually little to
no discussion about the validity.
To reach the goal of having such automated enforcement, we want to run
the rustfmt tool as part of the CI pipeline. With rustfmt having reached
1.0 recently, the believe is that by now the formatting is reasonably
stable and usable for this purpose.
In that light, this change formats the code using rustfmt and prepares
for such an automated style check.
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After the switch to using the nitrokey crate for communication with the
device, we have to warnings standing in the way of enabling clippy
unconditionally for the nitrocli crate. This change fixes those two
warnings.
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Currently, the nitrokey crate is renamed to libnitrokey in Cargo.toml as
there used to exist a nitrokey module in this crate. As this module
does no longer exist and is not likely to return, this patch removes the
customized name for the nitrokey crate.
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This patch removes all dependencies that are no longer required since
the hidapi communication is replaced by libnitrokey.
Delete subrepo hid/:hid
Delete subrepo hidapi-sys/:hidapi-sys
Delete subrepo pkg-config/:pkg-config
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This patch removes the raw hidapi implementation of the status command
and all utility methods that are no longer needed. With this patch, all
device communication is performed using libnitrokey.
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This patch removes the raw hidapi implementations of the Enable
Encrypted Volume and Disable Encrypted Volume commands and replaces them
with the methods enable_encrypted_volume and disable_encrypted_volume of
the Storage struct provided by the nitrokey trait.
To provide some context to the error messages, the errors are wrapped
using the map_err method of the Result enum and the get_error function
that combines a nitrokey error code and a string into a nitrocli error.
It would be more idiomatic to define a conversion from a nitrokey error
to a nitrocli error, but then we would lose information about the
context of the error.
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Given that development is picking up speed again we should accept all
the help we get from the compiler to catch issues as early as possible.
To that end, this change enables more lints for the program. As "usual",
lints that are suspected to potentially change in future versions of
Rust are reported as warnings and not errors.
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With the 1.31 release of Rust support for Edition 2018 has reached
the stable tool chain.
This change enables compilation based off of this new edition for the
crate. This change resolves issue #6.
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With a recent Rust version upgrade hidden lifetime parameters cause a
warning of the form:
> warning: hidden lifetime parameters in types are deprecated
> --> src/error.rs:58:25
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> 58 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
> | ^^^^^^^^^^^^^^- help: indicate the anonymous lifetime: `<'_>`
This change adjusts the code to make those lifetimes explicit (while
keeping them anonymous).
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This change enables the rust_2018_idioms lint which helps enforce the
usage of Rust 2018 code idioms. A while back the "impl trait" feature
stabilized and along with it trait objects are supposed to be prefixed
with "dyn".
This change adjusts the code accordingly.
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In preparation for the switch to using Rust 2018, this change enables
the rust_2018_compatibility lint. Along with that enablement we fix the
warnings emitted by it, which evolve around the module system changes
Rust has gone through and that require us to prefix initial uses of
crate local modules with "crate".
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Currently, the pinentry module only supports querying the user PIN. The
Nitrokey devices also have an admin PIN. This patch adds support for
querying multiple PIN types to the pinentry module. While this is
currently not used, it will be needed to add support for administrative
commands like unlocking the device or changeing the user PIN.
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