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imsi-pseudo
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IMSIPseudo.java: display menu 

Add a menu with the following actions:

IMSI Pseudonymization
1 Show LU counter
2 Show IMSI
3 Change IMSI

Selecting "Change IMSI" opens a submenu:

Change IMSI
1 Set 1 as last digit
2 Set 2 as last digit

Except for "Show LU counter", the actions are not implemented yet.
This commit is contained in:
Oliver Smith 2020-02-24 09:56:30 +01:00
parent 234ab54bf7
commit ca866fe7c5
1 changed files with 61 additions and 16 deletions
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77
sim-applet/src/org/osmocom/IMSIPseudo/IMSIPseudo.java
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@ -6,6 +6,7 @@ import javacard.framework.ISOException;
import sim.toolkit.EnvelopeHandler;
import sim.toolkit.ProactiveHandler;
import sim.toolkit.ProactiveResponseHandler;
import sim.toolkit.ToolkitConstants;
import sim.toolkit.ToolkitException;
import sim.toolkit.ToolkitInterface;
@ -14,48 +15,52 @@ import sim.toolkit.ToolkitRegistry;
public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConstants {
// DON'T DECLARE USELESS INSTANCE VARIABLES! They get saved to the EEPROM,
// which has a limited number of write cycles.
private byte helloMenuItem;
private byte STKServicesMenuId;
static byte[] LUCounter = new byte[] { '0', 'x', ' ', 'L', 'U' };
/* Main menu */
static byte[] title = new byte[] { 'I', 'M', 'S', 'I', ' ', 'P', 's', 'e', 'u', 'd', 'o', 'n', 'y', 'm',
'i', 'z', 'a', 't', 'i', 'o', 'n'};
static byte[] showLU = new byte[] {'S', 'h', 'o', 'w', ' ', 'L', 'U', ' ', 'c', 'o', 'u', 'n', 't', 'e', 'r'};
static byte[] showIMSI = new byte[] {'S', 'h', 'o', 'w', ' ', 'I', 'M', 'S', 'I'};
static byte[] changeIMSI = new byte[] {'C', 'h', 'a', 'n', 'g', 'e', ' ', 'I', 'M', 'S', 'I', ' '};
private Object[] itemListMain = {title, showLU, showIMSI, changeIMSI};
/* Change IMSI menu */
static byte[] setDigit1 = new byte[] {'S', 'e', 't', ' ', '1', ' ', 'a', 's', ' ', 'l', 'a', 's', 't', ' ',
'd', 'i', 'g', 'i', 't'};
static byte[] setDigit2 = new byte[] {'S', 'e', 't', ' ', '2', ' ', 'a', 's', ' ', 'l', 'a', 's', 't', ' ',
'd', 'i', 'g', 'i', 't'};
private Object[] itemListChangeIMSI = {changeIMSI, setDigit1, setDigit2};
private IMSIPseudo() {
// This is the interface to the STK applet registry (which is separate
// from the JavaCard applet registry!)
/* Register menu and trigger on location updates */
ToolkitRegistry reg = ToolkitRegistry.getEntry();
// Define the applet Menu Entry
helloMenuItem = reg.initMenuEntry(title, (short)0, (short)title.length,
PRO_CMD_SELECT_ITEM, false, (byte)0, (short)0);
STKServicesMenuId = reg.initMenuEntry(title, (short)0, (short)title.length, PRO_CMD_SELECT_ITEM, false,
(byte)0, (short)0);
reg.setEvent(EVENT_EVENT_DOWNLOAD_LOCATION_STATUS);
}
// This method is called by the card when the applet is installed. You must
// instantiate your applet and register it here.
public static void install(byte[] bArray, short bOffset, byte bLength) {
IMSIPseudo applet = new IMSIPseudo();
applet.register();
}
// This processes APDUs sent directly to the applet. For STK applets, this
// interface isn't really used.
public void process(APDU arg0) throws ISOException {
// ignore the applet select command dispached to the process
if (selectingApplet())
return;
}
// This processes STK events.
public void processToolkit(byte event) throws ToolkitException {
EnvelopeHandler envHdlr = EnvelopeHandler.getTheHandler();
if (event == EVENT_MENU_SELECTION) {
byte selectedItemId = envHdlr.getItemIdentifier();
if (selectedItemId == helloMenuItem) {
showMsg(LUCounter);
if (selectedItemId == STKServicesMenuId) {
showMenu(itemListMain, (byte)4);
handleMenuResponseMain();
}
}
@ -71,4 +76,44 @@ public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConst
proHdlr.send();
return;
}
private void showMenu(Object[] itemList, byte itemCount) {
ProactiveHandler proHdlr = ProactiveHandler.getTheHandler();
proHdlr.init((byte) PRO_CMD_SELECT_ITEM,(byte)0,DEV_ID_ME);
for (byte i=(byte)0;i<itemCount;i++) {
if (i == 0) {
/* Title */
proHdlr.appendTLV((byte)(TAG_ALPHA_IDENTIFIER | TAG_SET_CR), (byte[])itemList[i],
(short)0, (short)((byte[])itemList[i]).length);
} else {
/* Menu entry */
proHdlr.appendTLV((byte)(TAG_ITEM | TAG_SET_CR), (byte)i, (byte[])itemList[i], (short)0,
(short)((byte[])itemList[i]).length);
}
}
proHdlr.send();
}
private void handleMenuResponseMain() {
ProactiveResponseHandler rspHdlr = ProactiveResponseHandler.getTheHandler();
switch (rspHdlr.getItemIdentifier()) {
case 1: /* Show LU counter */
showMsg(LUCounter);
break;
case 2: /* Show IMSI */
/* TODO */
break;
case 3: /* Change IMSI */
showMenu(itemListChangeIMSI, (byte)3);
handleMenuResponseChangeIMSI();
break;
}
}
private void handleMenuResponseChangeIMSI() {
/* TODO */
}
}