From: travisutk Date: Mon, 22 Mar 2010 16:50:37 +0000 (+0000) Subject: Nicer database access, fixed glitches/exploits confusion that was causing locks on... X-Git-Url: http://git.rot13.org/?p=goodfet;a=commitdiff_plain;h=d9ad4e6c499d53a2472c330637456a9662c76e2e Nicer database access, fixed glitches/exploits confusion that was causing locks on explore. git-svn-id: https://svn.code.sf.net/p/goodfet/code/trunk@438 12e2690d-a6be-4b82-a7b7-67c4a43b65c8 --- diff --git a/client/GoodFETGlitch.py b/client/GoodFETGlitch.py index 637b2d1..49db85c 100644 --- a/client/GoodFETGlitch.py +++ b/client/GoodFETGlitch.py @@ -127,7 +127,7 @@ class GoodFETGlitch(GoodFET): g('set term png'); g('set output "timevcc.png"'); g(script_timevcc); - def explore(self,tstart=0,tstop=-1, trials=5): + def explore(self,tstart=0,tstop=-1, trials=1): """Exploration phase. Uses thresholds to find exploitable points.""" gnd=0; self.scansetup(1); #Lock the chip, place key in eeprom. @@ -142,6 +142,8 @@ class GoodFETGlitch(GoodFET): c=self.db.cursor(); c.execute("select time,min,max from glitchrange where max-min>0;"); rows=c.fetchall(); + c.close(); + random.shuffle(rows); for r in rows: t=r[0]; min=r[1]; @@ -215,10 +217,10 @@ class GoodFETGlitch(GoodFET): rows=c.fetchall(); for a in rows: return True; + c.close(); return False; def scanat(self,lock,trials,vcc,gnd,time): client=self.client; - db=self.db; client.glitchRate(time); client.glitchVoltages(gnd, vcc); #drop voltage target gcount=0; @@ -243,7 +245,7 @@ class GoodFETGlitch(GoodFET): scount+=1; #print "values (%i,%i,%i,%i,%i);" % ( # time,vcc,gnd,gcount,scount); - if(lock>0): + if(lock==0): self.db.execute("insert into glitches(time,vcc,gnd,trials,glitchcount,count,lock)" "values (%i,%i,%i,%i,%i,%i,%i);" % ( time,vcc,gnd,trials,gcount,scount,lock));