1 files changed, 27 insertions, 0 deletions
diff --git a/url_handler/ping_script.py b/url_handler/ping_script.py
new file mode 100755
index 0000000..30f15e5
--- /dev/null
+++ b/url_handler/ping_script.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+import sys, os, time, subprocess
+
+url = sys.argv[1]
+if len(url) % 15 == 0: url += "\0"
+while len(url) % 15 != 0: url += "\0"
+
+for i in range(len(url) // 15):
+    subprocess.check_call(["ping", "-c", "1", "-p", "64" + "".join("{:02X}".format(ord(x)) for x in url[15*i:15*i+15]), "127.0.0.1"], stdout=subprocess.DEVNULL)
+
+while True:
+    out = subprocess.check_output(["ping", "-c", "1", "-p", "65", "127.0.0.1"], stderr=subprocess.STDOUT).decode("utf-8")
+    if out.find("icmp_seq=1 ") != -1:
+        break
+    time.sleep(0.2)
+
+while True:
+    out = subprocess.check_output(["ping", "-c", "1", "-p", "66", "127.0.0.1"], stderr=subprocess.STDOUT).decode("utf-8")
+    idx = out.find("icmp_seq=")
+    idx2 = out.find(" ", idx)
+    seqnum = int(out[idx+9:idx2])
+    n0 = seqnum % 256
+    n1 = seqnum >> 8
+    if n0 == 0: break
+    print(chr(n0), end="")
+    if n1 == 0: break
+    print(chr(n1), end="")