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* Remove unused importsRobin Krahl2020-07-08
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* Refactor string handling in utilRobin Krahl2020-02-03
| | | | | | | | | | | | | The util module provides helper methods to deal with the C strings returned by libnitrokey. The current implementation has to problems: - It causes unnecessary allocations if we only want to look at the string, for example in get_serial_number. - If the conversion from a CStr to a String fails, the string pointer is not freed. Therefore this patch introduces the run_with_str function that executes a function with the string returned by libnitrokey and then makes sure that the pointer is freed correctly.
* Represent serial numbers using SerialNumber structRobin Krahl2020-02-03
| | | | | | | | | | | | | | | | | In a previous commit, we changed the serial number representation from a string to an integer. This made it easier to compare serial numbers, but also introduced new problems: - Serial numbers should be formatted consistently, for example as "{:#010x}". It is hard to ensure this for an integer value. - The format of the serial number may be subject to change. Users should not rely too much on the u32 representation. Therefore we introduce a new SerialNumber struct that represents a serial number. Currently it only stores a u32 value. The following traits and functions can be used to access its value: - FromStr for string parsing - ToString/Display for string formatting - as_u32 to access the underlying integer value
* Use NK_get_status to implement Device::get_configRobin Krahl2020-02-03
| | | | | | | | | | | | libnitrokey’s NK_read_config function returns a pointer to an array that has been allocated using new[]. We would have to delete this pointer using delete[], but we only have access to free. Therefore this patch modifies the Device::get_config function to call NK_get_status instead of NK_read_config. This also makes the code more safe as we get the data as a struct instead of an array. It does not add much overhead as NK_read_config also executes the GET_STATUS command on the Nitrokey device.
* Implement From<&NK_status> for RawConfigRobin Krahl2020-02-03
| | | | | | This makes it easier to parse only the config part of the NK_status struct and avoids code duplication in the upcoming get_config refactoring.
* Always store serial numbers as integersRobin Krahl2020-01-28
| | | | | | | | This patch consistently uses u32 integers to store and return the serial number of a Nitrokey device. This makes it easier to convert and compare the serial number, as it is a unique representation and as formatting an integer cannot fail. For more details, see this RFC: https://lists.sr.ht/~ireas/nitrokey-rs-dev/%3C20200126074816.GA1314%40ireas.org%3E
* Add String value to the Error::UnexpectedError variantRobin Krahl2020-01-28
| | | | | | To make debugging of unexpected errors easier, this patch adds an associated String value with a description of the unexpected behavior to the UnexpectedError variant of the Error enum.
* Fix serial number for older Nitrokey Pro in list_devicesRobin Krahl2020-01-15
| | | | | | | | | | | | | Previously, we assumed that the serial number returned by hidapi contains the Nitrokey serial number as the least significant bytes. As disussed here [0], this is not true for Nitrokey Pro devices with firmware version 0.8 or older: They write the serial number to the most significant bytes instead. This patch update the get_hidapi_serial_number function so that list_devices now returns the correctly formatted and truncated serial number for all Nitrokey Pro devices. It also makes sure that the serial number is lowercase to be consistent with libnitrokey’s formatting.
* Add the fill_sd_card function to StorageRobin Krahl2020-01-14
| | | | | | | | This patch adds support for libnitrokey’s NK_fill_SD_card_with_random_data function. It is executed by the fill_sd_card function of the Storage struct. We also add a new test case that is set to ignore because it takes between 30 and 60 minutes to run.
* Add the get_operation_status function to the Storage structRobin Krahl2020-01-14
| | | | | | | This patch adds support for the NK_get_progress_bar_value function: It adds the OperationStatus enum that stores the return value of this command and adds the get_operation_status function to the Storage struct that executes the command.
* Derive Clone, Copy, Debug, PartialEq for StatusRobin Krahl2020-01-14
| | | | | | Somehow I forgot to derive the common traits for the new Status struct. This patch adds the missing derive attribute for Clone, Copy, Debug and PartialEq.
* Add the get_sd_card_usage function to the Storage structRobin Krahl2020-01-14
| | | | | | This patch adds support for the NK_get_SD_usage_data function. It returns a range of the SD card that has not been accessed during this power cycle.
* Rename Status::get_status to get_storage_statusRobin Krahl2020-01-11
| | | | | | | In the last patch, we added the get_status function to the Device trait. This patch renames the Storage::get_status function to get_storage_status to resolve the name clash – though allowed by the compiler, it is rather confusing for the end user.
* Add support for the GET_STATUS commandRobin Krahl2020-01-11
| | | | | | | | | | | | | | | | | This patch adds support for the GET_STATUS command that returns the status information common to all Nitrokey devices. It can be accessed using the Device::get_status function and is stored in a Status struct. Due to a bug in the Storage firmware [0], the GET_STATUS command returns wrong firmware versions and serial numbers. Until this is fixed in libnitrokey [1], we have to manually execute the GET_DEVICE_STATUS command to fix these values for the Nitrokey Storage. Also, this leads to a name clash with the existing Storage::get_status function, which will be renamed in an upcoming patch. [0] https://github.com/Nitrokey/nitrokey-storage-firmware/issues/96 [1] https://github.com/Nitrokey/libnitrokey/issues/166
* Add the DeviceInfo structRobin Krahl2020-01-07
| | | | | | | | In the next patch, we will add support for the NK_list_devices functions that returns a list of NK_device_info structs with information about the connected devices. This patch introduces the DeviceInfo struct that holds the information returned by NK_list_devices and that can be created from a NK_device_info struct.
* Implement conversion traits for Model and NK_device_modelRobin Krahl2020-01-07
| | | | | | A nitrokey_sys::NK_device_model (= u32) value may correspond to a nitrokey::Model, and vice versa. This patch adds the appropriate From and TryFrom implementations.
* Simplify doc tests with resultsRobin Krahl2019-12-27
| | | | | | Since Rust 1.34.0, we no longer need a `fn main` comment in doc tests that return results. It is sufficient to have an `Ok` return value with type annotations.
* Refactor the device module into submodulesRobin Krahl2019-07-16
This patch splits the rather large device module into the submodules pro, storage and wrapper. This only changes the internal code structure and does not affect the public API.