From 205c3b646e6688193da3e66ee73858aa9333c7a2 Mon Sep 17 00:00:00 2001
From: Fan DANG <i@dang.fan>
Date: Tue, 16 Jan 2024 14:55:54 +0800
Subject: [PATCH] drop meta

---
 applets/meta/meta.c | 55 ---------------------------------------------
 src/apdu.c          |  9 +-------
 2 files changed, 1 insertion(+), 63 deletions(-)
 delete mode 100644 applets/meta/meta.c

diff --git a/applets/meta/meta.c b/applets/meta/meta.c
deleted file mode 100644
index 9a41ade7..00000000
--- a/applets/meta/meta.c
+++ /dev/null
@@ -1,55 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-#include <common.h>
-#include <meta.h>
-
-#define TAG_USB_SUPPORT 0x01
-#define TAG_SN 0x02
-#define TAG_USB_ENABLED 0x03
-#define TAG_FORM_FACTOR 0x04
-#define TAG_NFC_SUPPORT 0x0D
-#define TAG_NFC_ENABLED 0x0E
-
-int meta_process_apdu(const CAPDU *capdu, RAPDU *rapdu) {
-  LL = 0;
-  SW = SW_NO_ERROR;
-
-  switch (INS) {
-  case META_INS_SELECT:
-    if (P1 != 0x04 || P2 != 0x00) EXCEPT(SW_WRONG_P1P2);
-    memcpy(RDATA, "5.5.5", 5);  // a fake version
-    LL = 5;
-    break;
-
-  case META_INS_READ_META:
-    if (P1 != 0x00 || P2 != 0x00) EXCEPT(SW_WRONG_P1P2);
-    RDATA[0] = 25;
-    RDATA[1] = TAG_USB_SUPPORT; // FIDO2|OATH|PIV|OPENPGP|U2F
-    RDATA[2] = 2;
-    RDATA[3] = 0x02;
-    RDATA[4] = 0x3A;
-    RDATA[5] = TAG_SN;
-    RDATA[6] = 4;
-    fill_sn(RDATA + 7);
-    RDATA[11] = TAG_FORM_FACTOR;
-    RDATA[12] = 1;
-    RDATA[13] = 0x41;
-    RDATA[14] = TAG_USB_ENABLED; // FIDO2|OATH|PIV|OPENPGP|U2F
-    RDATA[15] = 2;
-    RDATA[16] = 0x02;
-    RDATA[17] = 0x3A;
-    RDATA[18] = TAG_NFC_SUPPORT; // FIDO2|OATH|PIV|OPENPGP|U2F
-    RDATA[19] = 2;
-    RDATA[20] = 0x02;
-    RDATA[21] = 0x3A;
-    RDATA[22] = TAG_NFC_ENABLED; // FIDO2|OATH|PIV|OPENPGP|U2F
-    RDATA[23] = 2;
-    RDATA[24] = 0x02;
-    RDATA[25] = 0x3A;
-    LL = 26;
-    break;
-
-  default:
-    EXCEPT(SW_INS_NOT_SUPPORTED);
-  }
-  return 0;
-}
diff --git a/src/apdu.c b/src/apdu.c
index cdfa536b..a3a7e71b 100644
--- a/src/apdu.c
+++ b/src/apdu.c
@@ -5,7 +5,6 @@
 #include <common.h>
 #include <ctap.h>
 #include <device.h>
-#include <meta.h>
 #include <ndef.h>
 #include <oath.h>
 #include <openpgp.h>
@@ -19,7 +18,6 @@ enum APPLET {
   APPLET_ADMIN,
   APPLET_OPENPGP,
   APPLET_NDEF,
-  APPLET_META,
   APPLET_ENUM_END,
 } current_applet;
 
@@ -35,11 +33,10 @@ static const uint8_t ADMIN_AID[] = {0xF0, 0x00, 0x00, 0x00, 0x00};
 static const uint8_t OPENPGP_AID[] = {0xD2, 0x76, 0x00, 0x01, 0x24, 0x01};
 static const uint8_t FIDO_AID[] = {0xA0, 0x00, 0x00, 0x06, 0x47, 0x2F, 0x00, 0x01};
 static const uint8_t NDEF_AID[] = {0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01};
-static const uint8_t META_AID[] = {0xA0, 0x00, 0x00, 0x05, 0x27, 0x47, 0x11, 0x17};
 
 static const uint8_t *const AID[] = {
     [APPLET_NULL] = NULL,       [APPLET_PIV] = PIV_AID,         [APPLET_FIDO] = FIDO_AID, [APPLET_OATH] = OATH_AID,
-    [APPLET_ADMIN] = ADMIN_AID, [APPLET_OPENPGP] = OPENPGP_AID, [APPLET_NDEF] = NDEF_AID, [APPLET_META] = META_AID,
+    [APPLET_ADMIN] = ADMIN_AID, [APPLET_OPENPGP] = OPENPGP_AID, [APPLET_NDEF] = NDEF_AID,
 };
 
 static const uint8_t AID_Size[] = {
@@ -50,7 +47,6 @@ static const uint8_t AID_Size[] = {
     [APPLET_ADMIN] = sizeof(ADMIN_AID),
     [APPLET_OPENPGP] = sizeof(OPENPGP_AID),
     [APPLET_NDEF] = sizeof(NDEF_AID),
-    [APPLET_META] = sizeof(META_AID),
 };
 
 static volatile uint32_t buffer_owner = BUFFER_OWNER_NONE;
@@ -246,9 +242,6 @@ void process_apdu(CAPDU *capdu, RAPDU *rapdu) {
     case APPLET_NDEF:
       ndef_process_apdu(capdu, rapdu);
       break;
-    case APPLET_META:
-      meta_process_apdu(capdu, rapdu);
-      break;
     default:
       LL = 0;
       SW = SW_FILE_NOT_FOUND;