1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
# Test the pickle module
# break into multiple strings to please font-lock-mode
DATA = """(lp0
I0
aL1L
aF2.0
ac__builtin__
complex
p1
""" \
"""(F3.0
F0.0
tp2
Rp3
a(S'abc'
p4
g4
""" \
"""(i__main__
C
p5
""" \
"""(dp6
S'foo'
p7
I1
sS'bar'
p8
I2
sbg5
tp9
ag9
aI5
a.
"""
BINDATA = ']q\000(K\000L1L\012G@\000\000\000\000\000\000\000c__builtin__\012complex\012q\001(G@\010\000\000\000\000\000\000G\000\000\000\000\000\000\000\000tq\002Rq\003(U\003abcq\004h\004(c__main__\012C\012q\005oq\006}q\007(U\003fooq\010K\001U\003barq\011K\002ubh\006tq\012h\012K\005e.'
class C:
def __cmp__(self, other):
return cmp(self.__dict__, other.__dict__)
import __main__
__main__.C = C
def dotest(pickle):
c = C()
c.foo = 1
c.bar = 2
x = [0, 1L, 2.0, 3.0+0j]
y = ('abc', 'abc', c, c)
x.append(y)
x.append(y)
x.append(5)
r = []
r.append(r)
print "dumps()"
s = pickle.dumps(x)
print "loads()"
x2 = pickle.loads(s)
if x2 == x: print "ok"
else: print "bad"
print "loads() DATA"
x2 = pickle.loads(DATA)
if x2 == x: print "ok"
else: print "bad"
print "dumps() binary"
s = pickle.dumps(x, 1)
print "loads() binary"
x2 = pickle.loads(s)
if x2 == x: print "ok"
else: print "bad"
print "loads() BINDATA"
x2 = pickle.loads(BINDATA)
if x2 == x: print "ok"
else: print "bad"
s = pickle.dumps(r)
print "dumps() RECURSIVE"
x2 = pickle.loads(s)
if x2 == r: print "ok"
else: print "bad"
# don't create cyclic garbage
del x2[0]
del r[0]
# Test protection against closed files
import tempfile, os
fn = tempfile.mktemp()
f = open(fn, "w")
f.close()
try:
pickle.dump(123, f)
except ValueError:
pass
else:
print "dump to closed file should raise ValueError"
f = open(fn, "r")
f.close()
try:
pickle.load(f)
except ValueError:
pass
else:
print "load from closed file should raise ValueError"
os.remove(fn)
# Test specific bad cases
for i in range(10):
try:
x = pickle.loads('garyp')
except KeyError, y:
# pickle
del y
except pickle.BadPickleGet, y:
# cPickle
del y
else:
print "unexpected success!"
break
# Test insecure strings
insecure = ["abc", "2 + 2", # not quoted
"'abc' + 'def'", # not a single quoted string
"'abc", # quote is not closed
"'abc\"", # open quote and close quote don't match
"'abc' ?", # junk after close quote
# some tests of the quoting rules
"'abc\"\''",
"'\\\\a\'\'\'\\\'\\\\\''",
]
for s in insecure:
buf = "S" + s + "\012p0\012."
try:
x = pickle.loads(buf)
except ValueError:
pass
else:
print "accepted insecure string: %s" % repr(buf)
import pickle
dotest(pickle)
|
