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-rw-r--r--NK_C_API.cc60
-rw-r--r--NK_C_API.h36
2 files changed, 96 insertions, 0 deletions
diff --git a/NK_C_API.cc b/NK_C_API.cc
index f0c23a1..05457d0 100644
--- a/NK_C_API.cc
+++ b/NK_C_API.cc
@@ -736,6 +736,66 @@ NK_C_API char* NK_get_SD_usage_data_as_string() {
});
}
+ bool copy_device_info(const DeviceInfo& source, NK_device_info* target) {
+ switch (source.m_deviceModel) {
+ case DeviceModel::PRO:
+ target->model = NK_PRO;
+ break;
+ case DeviceModel::STORAGE:
+ target->model = NK_STORAGE;
+ break;
+ default:
+ return false;
+ }
+
+ target->path = strndup(source.m_path.c_str(), MAXIMUM_STR_REPLY_LENGTH);
+ target->serial_number = strndup(source.m_serialNumber.c_str(), MAXIMUM_STR_REPLY_LENGTH);
+ target->next = nullptr;
+
+ return target->path && target->serial_number;
+ }
+
+ NK_C_API struct NK_device_info* NK_list_devices() {
+ auto nm = NitrokeyManager::instance();
+ return get_with_result([&]() -> NK_device_info* {
+ auto v = nm->list_devices();
+ if (v.empty())
+ return nullptr;
+
+ auto result = new NK_device_info();
+ auto ptr = result;
+ auto first = v.begin();
+ if (!copy_device_info(*first, ptr)) {
+ NK_free_device_info(result);
+ return nullptr;
+ }
+ v.erase(first);
+
+ for (auto& info : v) {
+ ptr->next = new NK_device_info();
+ ptr = ptr->next;
+
+ if (!copy_device_info(info, ptr)) {
+ NK_free_device_info(result);
+ return nullptr;
+ }
+ }
+ return result;
+ });
+ }
+
+ NK_C_API void NK_free_device_info(struct NK_device_info* device_info) {
+ if (!device_info)
+ return;
+
+ if (device_info->next)
+ NK_free_device_info(device_info->next);
+
+ free(device_info->path);
+ free(device_info->serial_number);
+ delete device_info;
+ }
+
NK_C_API int NK_connect_with_ID(const char* id) {
auto m = NitrokeyManager::instance();
return get_with_result([&]() {
diff --git a/NK_C_API.h b/NK_C_API.h
index 81da956..f17098a 100644
--- a/NK_C_API.h
+++ b/NK_C_API.h
@@ -57,6 +57,29 @@ extern "C" {
NK_STORAGE = 2
};
+ /**
+ * The connection info for a Nitrokey device as a linked list.
+ */
+ struct NK_device_info {
+ /**
+ * The model of the Nitrokey device.
+ */
+ enum NK_device_model model;
+ /**
+ * The USB device path for NK_connect_with_path.
+ */
+ char* path;
+ /**
+ * The serial number.
+ */
+ char* serial_number;
+ /**
+ * The pointer to the next element of the linked list or null
+ * if this is the last element in the list.
+ */
+ struct NK_device_info* next;
+ };
+
/**
* Stores the status of a Storage device.
*/
@@ -768,6 +791,19 @@ extern "C" {
*/
NK_C_API char* NK_list_devices_by_cpuID();
+ /**
+ * Returns a linked list of all connected devices, or null if no devices
+ * are connected or an error occured. The linked list must be freed by
+ * calling NK_free_device_info.
+ * @return a linked list of all connected devices
+ */
+ NK_C_API struct NK_device_info* NK_list_devices();
+
+ /**
+ * Free a linked list returned by NK_list_devices.
+ * @param the linked list to free or null
+ */
+ NK_C_API void NK_free_device_info(struct NK_device_info* device_info);
/**
* Connects to the device with given ID. ID's list could be created with NK_list_devices_by_cpuID.