From fe41eac11e561fb57e5f305a95fa215082d6a8b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Chac=C3=B3n?= <robertchacon@protonmail.com>
Date: Sat, 1 Mar 2025 23:07:44 -0700
Subject: [PATCH] Create cidrToHosts.py

---
 src/cidrToHosts.py | 57 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/cidrToHosts.py

diff --git a/src/cidrToHosts.py b/src/cidrToHosts.py
new file mode 100644
index 00000000..cf5ca3ae
--- /dev/null
+++ b/src/cidrToHosts.py
@@ -0,0 +1,57 @@
+import os
+import csv
+import json
+import ipaddress
+import shutil
+
+def cidrToHosts():
+	# Back up ShapedDevices.csv file
+	shutil.copyfile('ShapedDevices.csv', 'ShapedDevices.backup.csv')
+	# Process ShapedDevices.csv file
+	revised_rows = []
+	changed_made = False
+	with open('ShapedDevices.csv') as csv_file:
+		csv_reader = csv.reader(csv_file, delimiter=',')
+		next(csv_reader)
+		for row in csv_reader:
+			circuitID, circuitName, deviceID, deviceName, ParentNode, mac, ipv4_input, ipv6_input, downloadMin, uploadMin, downloadMax, uploadMax, comment = row
+			ipv4_list = ipv4_input.replace(' ','').split(',')
+			counter = 10001
+			if len(ipv4_list) > 1:
+				for ipv4 in ipv4_list:
+					if ('/' in ipv4) and not ('/32' in ipv4):
+						print("Converting CIDR " + ipv4 + " to a list of hosts.")
+						for host in list(ipaddress.ip_network(ipv4).hosts()):
+							str_host = str(host)
+							extended_circuit_id = circuitID + "_host_" + str(counter)
+							extended_device_id = deviceID + "_host_" + str(counter)
+							counter += 1
+							revised_rows.append((extended_circuit_id, circuitName, extended_device_id, deviceName, ParentNode, mac, str_host, ipv6_input, downloadMin, uploadMin, downloadMax, uploadMax, comment))
+					else:
+						extended_circuit_id = circuitID + "_host_" + str(counter)
+						extended_device_id = deviceID + "_host_" + str(counter)
+						counter += 1
+						revised_rows.append((extended_circuit_id, circuitName, extended_device_id, deviceName, ParentNode, mac, ipv4, ipv6_input, downloadMin, uploadMin, downloadMax, uploadMax, comment))
+					changed_made = True
+			else:
+				if ('/' in ipv4_input) and not ('/32' in ipv4_input):
+					print("Converting CIDR " + ipv4_input + " to a list of hosts.")
+					for host in list(ipaddress.ip_network(ipv4_input).hosts()):
+						str_host = str(host)
+						extended_circuit_id = circuitID + "_host_" + str(counter)
+						extended_device_id = deviceID + "_host_" + str(counter)
+						counter += 1
+						revised_rows.append((extended_circuit_id, circuitName, extended_device_id, deviceName, ParentNode, mac, str_host, ipv6_input, downloadMin, uploadMin, downloadMax, uploadMax, comment))
+					changed_made = True
+				else:
+					revised_rows.append(row)
+	# Save new ShapedDevices.csv file, if changes were needed
+	if changed_made:
+		with open('ShapedDevices.csv','w') as file:
+			writer = csv.writer(file)
+			writer.writerow(('Circuit ID (Do Not Duplicate)', 'Circuit Name', 'Device ID', 'Device Name', 'Parent Node', 'MAC', 'IPv4', 'IPv6', 'Download Min Mbps', 'Upload Min Mbps', 'Download Max Mbps', 'Upload Max Mbps', 'Comment'))
+			for row in revised_rows:
+				writer.writerow(row)
+	
+if __name__ == '__main__':
+	cidrToHosts()