1% Tests for Scapy's p0f module. 2 3~ p0f 4 5 6############ 7############ 8+ Basic p0f module tests 9 10= Module loading 11load_module('p0f') 12 13= Fetch database 14from __future__ import print_function 15try: 16 from urllib.request import urlopen 17except ImportError: 18 from urllib2 import urlopen 19 20def _load_database(file): 21 for i in range(10): 22 try: 23 open(file, 'wb').write(urlopen('https://raw.githubusercontent.com/p0f/p0f/4b4d1f384abebbb9b1b25b8f3c6df5ad7ab365f7/' + file).read()) 24 break 25 except: 26 raise 27 pass 28 29_load_database("p0f.fp") 30conf.p0f_base = "p0f.fp" 31_load_database("p0fa.fp") 32conf.p0fa_base = "p0fa.fp" 33_load_database("p0fr.fp") 34conf.p0fr_base = "p0fr.fp" 35_load_database("p0fo.fp") 36conf.p0fo_base = "p0fo.fp" 37 38p0f_load_knowledgebases() 39 40############ 41############ 42+ Default tests 43 44= Test p0f 45 46pkt = Ether(b'\x14\x0cv\x8f\xfe(\xd0P\x99V\xdd\xf9\x08\x00E\x00\x0045+@\x00\x80\x06\x00\x00\xc0\xa8\x00w(M\xe2\xf9\xda\xcb\x01\xbbcc\xdd\x1e\x00\x00\x00\x00\x80\x02\xfa\xf0\xcc\x8c\x00\x00\x02\x04\x05\xb4\x01\x03\x03\x08\x01\x01\x04\x02') 47 48assert p0f(pkt) == [('@Windows', 'XP/2000 (RFC1323+, w+, tstamp-)', 0)] 49 50= Test prnp0f 51 52with ContextManagerCaptureOutput() as cmco: 53 prnp0f(pkt) 54 assert cmco.get_output() == '192.168.0.119:56011 - @Windows XP/2000 (RFC1323+, w+, tstamp-)\n -> 40.77.226.249:https (S) (distance 0)\n' 55 56############ 57############ 58+ Tests for p0f_impersonate 59 60# XXX: a lot of pieces of p0f_impersonate don't have tests yet. 61 62= Impersonate when window size must be multiple of some integer 63sig = ('%467', 64, 1, 60, 'M*,W*', '.', 'Phony Sys', '1.0') 64pkt = p0f_impersonate(IP()/TCP(), signature=sig) 65assert pkt.payload.window % 467 == 0 66 67= Handle unusual flags ("F") quirk 68sig = ('1024', 64, 0, 60, 'W*', 'F', 'Phony Sys', '1.0') 69pkt = p0f_impersonate(IP()/TCP(), signature=sig) 70assert (pkt.payload.flags & 40) in (8, 32, 40) 71 72= Use valid option values from original packet 73sig = ('S4', 64, 1, 60, 'M*,W*,T', '.', 'Phony Sys', '1.0') 74opts = [('MSS', 1400), ('WScale', 3), ('Timestamp', (97256, 0))] 75pkt = p0f_impersonate(IP()/TCP(options=opts), signature=sig) 76assert pkt.payload.options == opts 77 78= Use valid option values when multiples required 79sig = ('S4', 64, 1, 60, 'M%37,W%19', '.', 'Phony Sys', '1.0') 80opts = [('MSS', 37*15), ('WScale', 19*12)] 81pkt = p0f_impersonate(IP()/TCP(options=opts), signature=sig) 82assert pkt.payload.options == opts 83 84= Discard non-multiple option values when multiples required 85sig = ('S4', 64, 1, 60, 'M%37,W%19', '.', 'Phony Sys', '1.0') 86opts = [('MSS', 37*15 + 1), ('WScale', 19*12 + 1)] 87pkt = p0f_impersonate(IP()/TCP(options=opts), signature=sig) 88assert pkt.payload.options[0][1] % 37 == 0 89assert pkt.payload.options[1][1] % 19 == 0 90 91= Discard bad timestamp values 92sig = ('S4', 64, 1, 60, 'M*,T', '.', 'Phony Sys', '1.0') 93opts = [('Timestamp', (0, 1000))] 94pkt = p0f_impersonate(IP()/TCP(options=opts), signature=sig) 95# since option is "T" and not "T0": 96assert pkt.payload.options[1][1][0] > 0 97# since T quirk is not present: 98assert pkt.payload.options[1][1][1] == 0 99 100= Discard 2nd timestamp of 0 if "T" quirk is present 101sig = ('S4', 64, 1, 60, 'M*,T', 'T', 'Phony Sys', '1.0') 102opts = [('Timestamp', (54321, 0))] 103pkt = p0f_impersonate(IP()/TCP(options=opts), signature=sig) 104assert pkt.payload.options[1][1][1] > 0 105 106+ Clear temp files 107 108= Remove fp files 109def _rem(f): 110 try: 111 os.remove(f) 112 except: 113 pass 114 115_rem("p0f.fp") 116_rem("p0fa.fp") 117_rem("p0fr.fp") 118_rem("p0fo.fp")