From: Keith Packard <keithp@keithp.com>
Date: Fri, 24 Jan 2014 06:16:36 +0000 (-0800)
Subject: altoslib: Validate TeleMega GPS_SAT log packet nsat
X-Git-Tag: 1.3.2~38
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=dd28429405498fca0788ce9c19093898c84b10e5

altoslib: Validate TeleMega GPS_SAT log packet nsat

Make sure nsat is not more than the size of the array

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/altoslib/AltosEepromMega.java b/altoslib/AltosEepromMega.java
index 1ac72b1c..b8a1b9e8 100644
--- a/altoslib/AltosEepromMega.java
+++ b/altoslib/AltosEepromMega.java
@@ -24,6 +24,8 @@ import java.text.*;
 public class AltosEepromMega extends AltosEeprom {
 	public static final int	record_length = 32;
 
+	public static final int max_sat = 12;
+
 	public int record_length() { return record_length; }
 
 	/* AO_LOG_FLIGHT elements */
@@ -176,6 +178,8 @@ public class AltosEepromMega extends AltosEeprom {
 			gps = state.make_temp_gps(true);
 
 			int n = nsat();
+			if (n > max_sat)
+				n = max_sat;
 			for (int i = 0; i < n; i++)
 				gps.add_sat(svid(i), c_n(i));
 			break;