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Last active August 29, 2015 14:01
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pings a servlet engine with AJP protocol
#!/usr/bin/env python
# source: http://www.joedog.org/pub/AJP/ajping.txt
from struct import unpack
import time
import sys
import socket
acks = set([65, 66, 0, 1, 9])
HOST = None
PORT = None
if len(sys.argv) == 3:
HOST = sys.argv[1]
PORT = sys.argv[2]
pass
elif len(sys.argv) == 2:
tmp = sys.argv[1].split(':', 2)
HOST = tmp[0]
PORT = tmp[1]
else:
print "Host and/or port missing or incorrect"
print "Usage:"
print " python ajping.py <host>:<port>"
print " python ajping.py <host> <port>"
sys.exit(1)
for i in range(10):
start = time.time()
s = None
for res in socket.getaddrinfo(HOST, PORT, socket.AF_UNSPEC, socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
try:
s = socket.socket(af, socktype, proto)
except socket.error as msg:
s = None
continue
try:
s.connect(sa)
except socket.error as msg:
s.close()
s = None
continue
break
if s is None:
print 'could not open socket'
sys.exit(1)
s.send(bytearray([0x12, 0x34, 0x00, 0x01, 0x0a]))
data = s.recv(5)
s.close()
if not len(data) == 5:
print "Protocol error: unable to verify AJP host {0}:{1}".format(HOST, PORT)
sys.exit(1)
vals = set([ord(i) for i in unpack('5c', data)])
if len(acks.intersection(vals)) == len(acks):
# all acks are in the answer, so everything is ok
print "Reply from {0}: {1} bytes in {2:3.3f} seconds".format(HOST, len(data), time.time() - start)
else:
print "Protocol error: unable to verify AJP host {0}:{1}".format(HOST, PORT)
sys.exit(1)
time.sleep(1)
sys.exit(0)
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