From 2ca5deb106ede1ffd236f153abae8fe6e3b0401c Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan@nitrokey.com>
Date: Wed, 19 Jun 2019 12:06:00 +0200
Subject: Add function reading HOTP slot details

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>
---
 NK_C_API.cc | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'NK_C_API.cc')

diff --git a/NK_C_API.cc b/NK_C_API.cc
index ec7bc29..1d3fa3a 100644
--- a/NK_C_API.cc
+++ b/NK_C_API.cc
@@ -881,6 +881,29 @@ NK_C_API char* NK_get_SD_usage_data_as_string() {
   }
 
 
+  NK_C_API int NK_read_HOTP_slot(const uint8_t slot_num, struct ReadSlot_t* out){
+  if (out == nullptr)
+    return -1;
+  auto m = NitrokeyManager::instance();
+  auto result = get_with_status([&]() {
+    return m->get_HOTP_slot_data(slot_num);
+  }, stick10::ReadSlot::ResponsePayload() );
+  auto error_code = std::get<0>(result);
+  if (error_code != 0) {
+    return error_code;
+  }
+#define a(x) out->x = read_slot.x
+  stick10::ReadSlot::ResponsePayload read_slot = std::get<1>(result);
+  a(_slot_config);
+  a(slot_counter);
+#undef a
+#define m(x) memmove(out->x, read_slot.x, sizeof(read_slot.x))
+  m(slot_name);
+  m(slot_token_id);
+#undef m
+  return 0;
+}
+
 
 #ifdef __cplusplus
 }
-- 
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