From d31fabf8cff5dae02e3fc759a4203bd374dddc99 Mon Sep 17 00:00:00 2001
From: schneefux <schneefux+commit@schneefux.xyz>
Date: Sun, 30 Mar 2014 16:03:44 -0400
Subject: Initial commit

---
 boot/app/cgi-bin/index.cgi | 42 ++++++++++++++++++++++++++++++++
 boot/app/cgi-bin/wifi.py   | 60 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100755 boot/app/cgi-bin/index.cgi
 create mode 100755 boot/app/cgi-bin/wifi.py

(limited to 'boot/app/cgi-bin')

diff --git a/boot/app/cgi-bin/index.cgi b/boot/app/cgi-bin/index.cgi
new file mode 100755
index 0000000..bcb85b5
--- /dev/null
+++ b/boot/app/cgi-bin/index.cgi
@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+
+from wifi import *
+import os
+import cgi
+import cgitb; cgitb.enable()  # for troubleshooting
+
+# some housekeeping
+print "Content-type: text/html"
+print
+
+# get the form input
+form = cgi.FieldStorage()
+network = form.getvalue("network", "")
+password = form.getvalue("password", "")
+
+# if not submitted yet, show them the network selection form
+if not network:
+
+    wifi = Wifi()
+
+    networks = [x.replace("\n","") for x in wifi.access_points if x.replace("\n","") != "Jasper"]
+    select_code_split = ["<option value=\"%s\">%s</option>" % (network, network) for network in networks]
+    select_code = "".join(select_code_split)
+
+    response = open("index-template.html","r").read().replace("{{ select_code }}", select_code)
+    print response
+
+# otherwise, show them the password form
+elif not password:
+    response = open("key-template.html","r").read().replace("{{ network }}", cgi.escape(network))
+    print response
+
+# in the final case, process the wifi password and network data
+else:
+    # show the confirmation page
+    response = open("connecting-template.html","r").read()
+    print response
+
+    # save the configuration
+    wifi = Wifi()
+    wifi.add_wifi(network, password)
\ No newline at end of file
diff --git a/boot/app/cgi-bin/wifi.py b/boot/app/cgi-bin/wifi.py
new file mode 100755
index 0000000..5cede72
--- /dev/null
+++ b/boot/app/cgi-bin/wifi.py
@@ -0,0 +1,60 @@
+import yaml
+import os, subprocess
+
+class Wifi:
+
+    access_points = []
+
+    def __init__(self):
+
+        subprocess.call("iwlist wlan0 scan > temp.txt", shell = True)
+        output = open("temp.txt")
+        lines = output.readlines()
+
+        for index, line in enumerate(lines):
+
+            if "Address" in line:
+
+                address = line[29:-1]
+                name = lines[index + 1].split("\"")[1]
+                self.access_points.append(name)
+
+        self.access_points = list(set(self.access_points))
+
+        os.system("rm temp.txt")
+
+    def add_wifi(self, SSID, KEY=""):
+        networks = yaml.safe_load(open("../networks.yml", "r"))
+
+        # add new network to front of list
+        network = {"SSID": SSID, "KEY": KEY}
+        networks.insert(0, network)
+
+        with open('../networks.yml', 'w') as outputFile:
+            output = yaml.dump(networks)
+            outputFile.write(output)
+
+    def set_default_wifi(self, SSID, KEY=""):
+
+        text = open("connect.txt", "r").read()
+        text = text.replace("{{ SSID }}", SSID)
+        text = text.replace("{{ KEY }}", KEY)
+
+        outputFile = open("/etc/network/interfaces", "w")
+        outputFile.write(text)
+        outputFile.flush()
+        outputFile.close()
+
+        subprocess.call(["sudo", "/etc/init.d/networking", "restart"])
+
+    def setup_adhoc(self):
+
+        text = open("broadcast.txt", "r").read()
+        outputFile = open("/etc/network/interfaces","w")
+        outputFile.write(text)
+        outputFile.flush()
+        outputFile.close()
+
+        subprocess.call(["sudo", "/etc/init.d/networking", "restart"])
+        subprocess.call(['sudo', '/usr/sbin/dhcpd', '-q', '-cf', '/etc/dhcp/dhcpd.conf', '-pf', '/var/run/dhcpd.pid'])
+        subprocess.call(["sudo", "/etc/init.d/networking", "restart"])
-- 
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