From 8325e98c10232dacca6c1e2a8044b1a24ab34cf4 Mon Sep 17 00:00:00 2001
From: Bjørn Mork <bjorn@mork.no>
Date: Sat, 11 May 2019 16:26:52 +0200
Subject: WiP: wifi scanning is working
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Signed-off-by: Bjørn Mork <bjorn@mork.no>
---
 dcs8000lh-configure.py | 55 ++++++++++++++++++++++++++++++++++----------------
 1 file changed, 38 insertions(+), 17 deletions(-)

diff --git a/dcs8000lh-configure.py b/dcs8000lh-configure.py
index 58dd478..f57e4db 100755
--- a/dcs8000lh-configure.py
+++ b/dcs8000lh-configure.py
@@ -6,31 +6,31 @@ import base64
 from bluepy.btle import Peripheral
 
 class BleCam(object):
-    def __init__(self, address, pincode, command=None):
+    def __init__(self, address, pincode):
         self.pincode = pincode
-        self.command = command
         self.periph = Peripheral(address)
         self.ipcamservice()
         self.name = self.periph.getCharacteristics(uuid=0x2a00)[0].read().decode() # wellknown name characteristic
         self.dumpchars()
-        self.experiment()
+        self.unlock()
 
     def ipcamservice(self):
         try:
             print("getting IPCam service")
-            self.service = self.periph.getServiceByUUID(0xD001)
+            self.service = self.periph.getServiceByUUID(0xd001)
         except BTLEEException:
             print("no IPCam service found for %s" % periph.address)
 
     def dumpchars(self):
         handles = self.service.getCharacteristics()
+        print("%s supports these characteristics:" % self.name)
         for h in handles:
             print("%s - Handle=%#06x (%s)" % (h.uuid, h.getHandle(), h.propertiesToString()))
 
-    def experiment(self):
+
+    def unlock(self):
         auth = self.service.getCharacteristics(0xa001)[0]
-        tmp = auth.read().decode().split(";", 10)
-        for t in tmp:
+        for t in auth.read().decode().split(";", 10):
             if t.startswith("C="):
                 self.challenge=t.split("=",2)[1]
         hashit = self.name + self.pincode + self.challenge
@@ -39,21 +39,42 @@ class BleCam(object):
             auth.write("M=0;K=".encode() + self.key, True)
         except:
             print("write failed")
-        print("ip config is %s" % self.service.getCharacteristics(0xa104)[0].read())
-        if self.command != None:
-            run = "P=" + self.pincode + ";N=" + self.pincode + "&&(" + self.command + ")&"
-            try:
-                self.service.getCharacteristics(0xa201)[0].write(run.encode(), True)
-            except:
-                print("write failed")
+
+    def get_ipconfig(self):
+        return self.service.getCharacteristics(0xa104)[0].read()
+
+    def wifi_scan(self):
+        scan = self.service.getCharacteristics(0xa100)[0]
+        p = -1
+        n = 0
+        result = ""
+        while p < n:
+            t = scan.read().decode().split(";", 3)
+            result = result + t[2]
+            if not t[0].startswith("N=") or not t[1].startswith("P="):
+                return
+            n = int(t[0].split("=",2)[1])
+            p = int(t[1].split("=",2)[1])
+            print("read page %d of %d" % (p, n))
+        return result.split("&", 50)
+                    
+    def run_command(self, command):
+        run = "P=" + self.pincode + ";N=" + self.pincode + "&&(" + command + ")&"
+        try:
+            self.service.getCharacteristics(0xa201)[0].write(run.encode(), True)
+        except:
+            print("failed")
         
 if __name__ == '__main__':
     if len(sys.argv) < 3:
         print("Usage: {} <addr> <pincode>".format(sys.argv[0]))
         sys.exit(1)
+
+    cam = BleCam(sys.argv[1], sys.argv[2])
+    print("ip config is: %s" % cam.get_ipconfig())
+    for network in cam.wifi_scan():
+        print(network)
     if len(sys.argv) > 3:
-        BleCam(sys.argv[1], sys.argv[2], sys.argv[3])
-    else:
-        BleCam(sys.argv[1], sys.argv[2])
+        cam.run_command(sys.argv[3])
 
 print("Done.")
-- 
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