spec/ruby/core/string/unpack/shared/taint.rb


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

describe :string_unpack_taint, shared: true do
  it "does not taint returned arrays if given an untainted format string" do
    "".unpack(unpack_format(2)).tainted?.should be_false
  end

  it "does not taint returned arrays if given a tainted format string" do
    format_string = unpack_format(2).dup
    format_string.taint
    "".unpack(format_string).tainted?.should be_false
  end

  it "does not taint returned strings if given an untainted format string" do
    "".unpack(unpack_format(2)).any?(&:tainted?).should be_false
  end

  it "does not taint returned strings if given a tainted format string" do
    format_string = unpack_format(2).dup
    format_string.taint
    "".unpack(format_string).any?(&:tainted?).should be_false
  end

  it "does not taint returned arrays if given an untainted packed string" do
    "".unpack(unpack_format(2)).tainted?.should be_false
  end

  it "does not taint returned arrays if given a tainted packed string" do
    packed_string = ""
    packed_string.taint
    packed_string.unpack(unpack_format(2)).tainted?.should be_false
  end

  it "does not taint returned strings if given an untainted packed string" do
    "".unpack(unpack_format(2)).any?(&:tainted?).should be_false
  end

  it "taints returned strings if given a tainted packed string" do
    packed_string = ""
    packed_string.taint
    packed_string.unpack(unpack_format(2)).all?(&:tainted?).should be_true
  end

  it "does not untrust returned arrays if given an untrusted format string" do
    "".unpack(unpack_format(2)).untrusted?.should be_false
  end

  it "does not untrust returned arrays if given a untrusted format string" do
    format_string = unpack_format(2).dup
    format_string.untrust
    "".unpack(format_string).untrusted?.should be_false
  end

  it "does not untrust returned strings if given an untainted format string" do
    "".unpack(unpack_format(2)).any?(&:untrusted?).should be_false
  end

  it "does not untrust returned strings if given a untrusted format string" do
    format_string = unpack_format(2).dup
    format_string.untrust
    "".unpack(format_string).any?(&:untrusted?).should be_false
  end

  it "does not untrust returned arrays if given an trusted packed string" do
    "".unpack(unpack_format(2)).untrusted?.should be_false
  end

  it "does not untrust returned arrays if given a untrusted packed string" do
    packed_string = ""
    packed_string.untrust
    packed_string.unpack(unpack_format(2)).untrusted?.should be_false
  end

  it "does not untrust returned strings if given an trusted packed string" do
    "".unpack(unpack_format(2)).any?(&:untrusted?).should be_false
  end

  it "untrusts returned strings if given a untrusted packed string" do
    packed_string = ""
    packed_string.untrust
    packed_string.unpack(unpack_format(2)).all?(&:untrusted?).should be_true
  end
end