From 56453b60d6f00ce15b0b38e19c9f67b24f81fd36 Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Tue, 24 May 2022 23:30:01 +0200
Subject: [PATCH] Added fmd flag to wrap FCP to include later the FMD.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 src/fs/file.c | 11 +++++++----
 src/fs/file.h |  2 +-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/fs/file.c b/src/fs/file.c
index 6bcd87d..ca54ca8 100644
--- a/src/fs/file.c
+++ b/src/fs/file.c
@@ -35,12 +35,14 @@ extern uint8_t *flash_read(uintptr_t addr);
 extern void low_flash_available();
 
 //puts FCI in the RAPDU
-void process_fci(const file_t *pe) {
+void process_fci(const file_t *pe, int fmd) {
     uint8_t *p = res_APDU;
     uint8_t buf[64];
     res_APDU_size = 0;
-    res_APDU[res_APDU_size++] = 0x6f;
-    res_APDU[res_APDU_size++] = 0x00; //computed later
+    if (fmd) {
+        res_APDU[res_APDU_size++] = 0x6f;
+        res_APDU[res_APDU_size++] = 0x00; //computed later
+    }
     
     res_APDU[res_APDU_size++] = 0x62;
     res_APDU[res_APDU_size++] = 0x00; //computed later
@@ -95,7 +97,8 @@ void process_fci(const file_t *pe) {
         res_APDU_size += meta_size;
     }
     res_APDU[1] = res_APDU_size-2;
-    res_APDU[3] = res_APDU_size-4;
+    if (fmd)
+        res_APDU[3] = res_APDU_size-4;
 }
 
 #define MAX_DYNAMIC_FILES 128
diff --git a/src/fs/file.h b/src/fs/file.h
index 41a016c..ab47d99 100644
--- a/src/fs/file.h
+++ b/src/fs/file.h
@@ -92,7 +92,7 @@ extern file_t *search_by_fid(const uint16_t fid, const file_t *parent, const uin
 extern file_t *search_by_name(uint8_t *name, uint16_t namelen);
 extern file_t *search_by_path(const uint8_t *pe_path, uint8_t pathlen, const file_t *parent);
 extern bool authenticate_action(const file_t *ef, uint8_t op);
-extern void process_fci(const file_t *pe);
+extern void process_fci(const file_t *pe, int fmd);
 extern void scan_flash();
 extern void initialize_flash(bool);