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[feature] Extract IP address from netif credit: @comicchang

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This commit is contained in:
Timothy Miller
2023-02-15 16:14:22 -05:00
parent c135a7d343
commit cb7b1804cf
4 changed files with 92 additions and 38 deletions
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99
cloudflare-ddns.py
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@@ -6,7 +6,7 @@
# A small, 🕵️ privacy centric, and ⚡
# lightning fast multi-architecture Docker image for self hosting projects.
__version__ = "1.0.2"
__version__ = "1.0.3"
import json
import os
@@ -15,6 +15,7 @@ import sys
import threading
import time
import requests
import netifaces as ni
CONFIG_PATH = os.environ.get('CONFIG_PATH', os.getcwd())
@@ -56,53 +57,80 @@ def getIPs():
global ipv4_enabled
global ipv6_enabled
global purgeUnknownRecords
global method
global interfaces
if ipv4_enabled:
try:
a = requests.get(
"https://1.1.1.1/cdn-cgi/trace").text.split("\n")
a.pop()
a = dict(s.split("=") for s in a)["ip"]
except Exception:
global shown_ipv4_warning
if not shown_ipv4_warning:
shown_ipv4_warning = True
print("🧩 IPv4 not detected via 1.1.1.1, trying 1.0.0.1")
# Try secondary IP check
if method == 'http':
try:
a = requests.get(
"https://1.0.0.1/cdn-cgi/trace").text.split("\n")
"https://1.1.1.1/cdn-cgi/trace").text.split("\n")
a.pop()
a = dict(s.split("=") for s in a)["ip"]
except Exception:
global shown_ipv4_warning_secondary
if not shown_ipv4_warning_secondary:
shown_ipv4_warning_secondary = True
print("🧩 IPv4 not detected via 1.0.0.1. Verify your ISP or DNS provider isn't blocking Cloudflare's IPs.")
global shown_ipv4_warning
if not shown_ipv4_warning:
shown_ipv4_warning = True
print("🧩 IPv4 not detected via 1.1.1.1, trying 1.0.0.1")
# Try secondary IP check
try:
a = requests.get(
"https://1.0.0.1/cdn-cgi/trace").text.split("\n")
a.pop()
a = dict(s.split("=") for s in a)["ip"]
except Exception:
global shown_ipv4_warning_secondary
if not shown_ipv4_warning_secondary:
shown_ipv4_warning_secondary = True
print("🧩 IPv4 not detected via 1.0.0.1. Verify your ISP or DNS provider isn't blocking Cloudflare's IPs.")
if purgeUnknownRecords:
deleteEntries("A")
else:
try:
a = ni.ifaddresses(interface)[ni.AF_INET][0]['addr']
except Exception:
global shown_ipv4_warning
if not shown_ipv4_warning:
shown_ipv4_warning = True
print("🧩 IPv4 not detected via " + interface + ". Verify your interface is up and has an IPv4 address.")
if purgeUnknownRecords:
deleteEntries("A")
if ipv6_enabled:
try:
aaaa = requests.get(
"https://[2606:4700:4700::1111]/cdn-cgi/trace").text.split("\n")
aaaa.pop()
aaaa = dict(s.split("=") for s in aaaa)["ip"]
except Exception:
global shown_ipv6_warning
if not shown_ipv6_warning:
shown_ipv6_warning = True
print("🧩 IPv6 not detected via 1.1.1.1, trying 1.0.0.1")
if method == 'http':
try:
aaaa = requests.get(
"https://[2606:4700:4700::1001]/cdn-cgi/trace").text.split("\n")
"https://[2606:4700:4700::1111]/cdn-cgi/trace").text.split("\n")
aaaa.pop()
aaaa = dict(s.split("=") for s in aaaa)["ip"]
except Exception:
global shown_ipv6_warning_secondary
if not shown_ipv6_warning_secondary:
shown_ipv6_warning_secondary = True
print("🧩 IPv6 not detected via 1.0.0.1. Verify your ISP or DNS provider isn't blocking Cloudflare's IPs.")
global shown_ipv6_warning
if not shown_ipv6_warning:
shown_ipv6_warning = True
print("🧩 IPv6 not detected via 1.1.1.1, trying 1.0.0.1")
try:
aaaa = requests.get(
"https://[2606:4700:4700::1001]/cdn-cgi/trace").text.split("\n")
aaaa.pop()
aaaa = dict(s.split("=") for s in aaaa)["ip"]
except Exception:
global shown_ipv6_warning_secondary
if not shown_ipv6_warning_secondary:
shown_ipv6_warning_secondary = True
print("🧩 IPv6 not detected via 1.0.0.1. Verify your ISP or DNS provider isn't blocking Cloudflare's IPs.")
if purgeUnknownRecords:
deleteEntries("AAAA")
else:
try:
aaaa = ni.ifaddresses(interface)[ni.AF_INET6][0]['addr']
except Exception:
global shown_ipv6_warning
if not shown_ipv6_warning:
shown_ipv6_warning = True
print("🧩 IPv6 not detected via " + interface + ". Verify your interface is up and has an IPv6 address.")
if purgeUnknownRecords:
deleteEntries("AAAA")
ips = {}
if (a is not None):
ips["ipv4"] = {
@@ -232,6 +260,8 @@ if __name__ == '__main__':
ipv4_enabled = True
ipv6_enabled = True
purgeUnknownRecords = False
method = 'http'
interface = ''
if sys.version_info < (3, 5):
raise Exception("🐍 This script requires Python 3.5+")
@@ -253,6 +283,11 @@ if __name__ == '__main__':
ipv4_enabled = True
ipv6_enabled = True
print("⚙️ Individually disable IPv4 or IPv6 with new config.json options. Read more about it here: https://github.com/timothymiller/cloudflare-ddns/blob/master/README.md")
try:
method = config["method"]
interface = config["interface"]
except:
print("⚙️ No config detected for 'method' - defaulting to 'http'")
try:
purgeUnknownRecords = config["purgeUnknownRecords"]
except: