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imsi-pseudo
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IMSIPseudo: implement "Show IMSI" (WIP) 

This will need some adjustments before it actually works.
This commit is contained in:
Oliver Smith 2020-02-24 11:36:31 +01:00
parent 0f7c8bb3cc
commit 2259cb9fd7
1 changed files with 27 additions and 1 deletions
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28
sim-applet/src/org/osmocom/IMSIPseudo/IMSIPseudo.java
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@ -9,6 +9,7 @@ public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConst
// which has a limited number of write cycles.
private byte STKServicesMenuId;
private SIMView gsmFile;
static byte[] LUCounter = new byte[] { '0', 'x', ' ', 'L', 'U' };
/* Main menu */
@ -27,6 +28,8 @@ public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConst
private Object[] itemListChangeIMSI = {changeIMSI, setDigit1, setDigit2};
private IMSIPseudo() {
gsmFile = SIMSystem.getTheSIMView();
/* Register menu and trigger on location updates */
ToolkitRegistry reg = ToolkitRegistry.getEntry();
STKServicesMenuId = reg.initMenuEntry(title, (short)0, (short)title.length, PRO_CMD_SELECT_ITEM, false,
@ -88,6 +91,29 @@ public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConst
return;
}
private void showIMSI() {
/* 3GPP TS 31.102 4.2.2: IMSI */
byte[] IMSI = new byte[9];
byte[] msg = {'C', 'u', 'r', 'r', 'e', 'n', 't', ' ', 'I', 'M', 'S', 'I', ':', ' ',
'_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_'};
gsmFile.select((short) SIMView.FID_DF_GSM);
gsmFile.select((short) SIMView.FID_EF_IMSI);
gsmFile.readBinary((short)0, IMSI, (short)0, (short)9);
for (byte i = (byte)0; i < (byte)15; i++) {
byte msg_i = (byte)(14 + i);
if (i >= IMSI[0]) {
msg[msg_i] = ' ';
} else if (i % (byte)2 == (byte)0) {
msg[msg_i] = (byte)('0' + (IMSI[i / (byte)2] & 0x0f));
} else {
msg[msg_i] = (byte)('0' + (IMSI[i / (byte)2] >>> 4));
}
}
showMsg(msg);
}
private void handleMenuResponseMain() {
ProactiveResponseHandler rspHdlr = ProactiveResponseHandler.getTheHandler();
@ -96,7 +122,7 @@ public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConst
showMsg(LUCounter);
break;
case 2: /* Show IMSI */
/* TODO */
showIMSI();
break;
case 3: /* Change IMSI */
showMenu(itemListChangeIMSI, (byte)3);