From 0f5c6005d1413b9a5dfcd2a03364f1df317787a6 Mon Sep 17 00:00:00 2001
From: merlokk <807634+merlokk@users.noreply.github.com>
Date: Fri, 28 Jan 2022 17:30:31 +0200
Subject: [PATCH] transactions

---
 client/src/cipurse/cipursecore.c | 13 +++++++++++++
 client/src/cipurse/cipursecore.h |  3 +++
 2 files changed, 16 insertions(+)

diff --git a/client/src/cipurse/cipursecore.c b/client/src/cipurse/cipursecore.c
index 956b220f7..357cf9645 100644
--- a/client/src/cipurse/cipursecore.c
+++ b/client/src/cipurse/cipursecore.c
@@ -173,6 +173,7 @@ int CIPURSESelectMF(uint8_t *result, size_t max_result_len, size_t *result_len,
 }
 
 int CIPURSESelectFileEx(bool activate_field, bool leave_field_on, uint16_t fileid, uint8_t *result, size_t max_result_len, size_t *result_len, uint16_t *sw) {
+    CipurseCClearContext(&cipurseContext);
     uint8_t fileIdBin[] = {fileid >> 8, fileid & 0xff};
     return CIPURSEExchangeEx(activate_field, leave_field_on, (sAPDU_t) {0x00, 0xa4, 0x00, 0x00, 02, fileIdBin}, true, 0, result, max_result_len, result_len, sw);
 }
@@ -200,6 +201,18 @@ int CIPURSEUpdateBinary(uint16_t offset, uint8_t *data, uint16_t datalen, uint8_
     return CIPURSEExchange((sAPDU_t) {0x00, 0xd6, (offset >> 8) & 0x7f, offset & 0xff, datalen, data}, result, max_result_len, result_len, sw);
 }
 
+int CIPURSECommitTransaction(uint16_t *sw) {
+    uint8_t result[APDU_RES_LEN] = {0};
+    size_t result_len = 0;
+    return CIPURSEExchange((sAPDU_t) {0x80, 0x7e, 0x00, 0x00, 0, NULL}, result, sizeof(result), &result_len, sw);
+}
+
+int CIPURSECancelTransaction(uint16_t *sw) {
+    uint8_t result[APDU_RES_LEN] = {0};
+    size_t result_len = 0;
+    return CIPURSEExchange((sAPDU_t) {0x80, 0x7c, 0x00, 0x00, 0, NULL}, result, sizeof(result), &result_len, sw);
+}
+
 bool CIPURSEChannelAuthenticate(uint8_t keyindex, uint8_t *key, bool verbose) {
     uint8_t buf[APDU_RES_LEN] = {0};
     size_t len = 0;
diff --git a/client/src/cipurse/cipursecore.h b/client/src/cipurse/cipursecore.h
index cd7096205..6be49e74c 100644
--- a/client/src/cipurse/cipursecore.h
+++ b/client/src/cipurse/cipursecore.h
@@ -51,6 +51,9 @@ int CIPURSEReadFileAttributes(uint8_t *result, size_t max_result_len, size_t *re
 int CIPURSEReadBinary(uint16_t offset, uint8_t *result, size_t max_result_len, size_t *result_len, uint16_t *sw);
 int CIPURSEUpdateBinary(uint16_t offset, uint8_t *data, uint16_t datalen, uint8_t *result, size_t max_result_len, size_t *result_len, uint16_t *sw);
 
+int CIPURSECommitTransaction(uint16_t *sw);
+int CIPURSECancelTransaction(uint16_t *sw);
+
 bool CIPURSEChannelAuthenticate(uint8_t keyindex, uint8_t *key, bool verbose);
 void CIPURSECSetActChannelSecurityLevels(CipurseChannelSecurityLevel req, CipurseChannelSecurityLevel resp);