1 | package com.jsql.model.injection.strategy.blind.callable; | |
2 | ||
3 | import com.jsql.model.InjectionModel; | |
4 | import com.jsql.model.injection.strategy.blind.AbstractInjectionBit.BlindOperator; | |
5 | import com.jsql.model.injection.strategy.blind.InjectionBlindBin; | |
6 | import name.fraser.neil.plaintext.diff_match_patch; | |
7 | import static name.fraser.neil.plaintext.diff_match_patch.Diff; | |
8 | ||
9 | import java.util.LinkedList; | |
10 | import java.util.List; | |
11 | import java.util.concurrent.CopyOnWriteArrayList; | |
12 | ||
13 | /** | |
14 | * Define a call HTTP to the server, require the associated url, character | |
15 | * position and bit. Diffs represent the differences between | |
16 | * the reference page, and the current page. | |
17 | */ | |
18 | public class CallableBlindBin extends AbstractCallableBit<CallableBlindBin> { | |
19 | ||
20 | private final int low; | |
21 | private final int mid; | |
22 | private final int high; | |
23 | ||
24 | private LinkedList<Diff> diffsWithReference = new LinkedList<>(); // List of differences found between the reference page, and the current page | |
25 | private static final diff_match_patch DIFF_MATCH_PATCH = new diff_match_patch(); | |
26 | private final InjectionBlindBin injectionBlind; | |
27 | ||
28 | private final String metadataInjectionProcess; | |
29 | ||
30 | /** | |
31 | * Constructor for preparation and blind confirmation. | |
32 | */ | |
33 | public CallableBlindBin( | |
34 | String sqlQuery, | |
35 | InjectionModel injectionModel, | |
36 | InjectionBlindBin injectionBlind, | |
37 | BlindOperator blindOperator, | |
38 | int low, int mid, int high, | |
39 | String metadataInjectionProcess | |
40 | ) { | |
41 | this.isBinary = true; | |
42 | this.low = low; | |
43 | this.mid = mid; | |
44 | this.high = high; | |
45 | this.injectionBlind = injectionBlind; | |
46 | this.metadataInjectionProcess = metadataInjectionProcess; | |
47 | this.booleanUrl = injectionModel.getMediatorVendor().getVendor().instance().sqlTestBlindWithOperator(sqlQuery, blindOperator); | |
48 | } | |
49 | ||
50 | /** | |
51 | * Constructor for bits test. | |
52 | */ | |
53 | public CallableBlindBin( | |
54 | String sqlQuery, | |
55 | int indexChar, | |
56 | InjectionModel injectionModel, | |
57 | InjectionBlindBin injectionBlind, | |
58 | BlindOperator blindOperator, | |
59 | int low, int mid, int high, | |
60 | String metadataInjectionProcess | |
61 | ) { | |
62 | this(sqlQuery, injectionModel, injectionBlind, blindOperator, low, mid, high, metadataInjectionProcess); | |
63 | this.booleanUrl = injectionModel.getMediatorVendor().getVendor().instance().sqlBlindBin(sqlQuery, indexChar, mid, blindOperator); | |
64 | this.currentIndex = indexChar; | |
65 | } | |
66 | ||
67 | /** | |
68 | * Check if a result page means the SQL query is true, | |
69 | * confirm that nothing in the resulting page is also defined | |
70 | * in the pages from every FALSE SQL queries. | |
71 | * @return true if the current SQL query is true | |
72 | */ | |
73 | @Override | |
74 | public boolean isTrue() { | |
75 | // Fix #95426: ConcurrentModificationException on iterator.next() | |
76 | List<Diff> falseDiffs = new CopyOnWriteArrayList<>(this.injectionBlind.getFalseDiffs()); | |
77 | for (Diff falseDiff: falseDiffs) { // ignored when false OR false => falsy empty | |
78 | // Fix #4386: NullPointerException on contains(), diffsWithReference initialized to new LinkedList<>() | |
79 |
1
1. isTrue : negated conditional → NO_COVERAGE |
if (this.diffsWithReference.contains(falseDiff)) { |
80 |
1
1. isTrue : replaced boolean return with true for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::isTrue → NO_COVERAGE |
return false; |
81 | } | |
82 | } | |
83 | List<Diff> trueDiffs = new CopyOnWriteArrayList<>(this.injectionBlind.getTrueDiffs()); | |
84 | for (Diff trueDiff: trueDiffs) { | |
85 |
1
1. isTrue : negated conditional → NO_COVERAGE |
if (!this.diffsWithReference.contains(trueDiff)) { // required, set to false when empty falseDiffs |
86 |
1
1. isTrue : replaced boolean return with true for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::isTrue → NO_COVERAGE |
return false; |
87 | } | |
88 | } | |
89 |
1
1. isTrue : replaced boolean return with false for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::isTrue → NO_COVERAGE |
return true; // not in falseDiffs and in trueDiffs |
90 | } | |
91 | ||
92 | /** | |
93 | * Process the URL HTTP call, use function inject() from the model. | |
94 | * Build the list of differences found between TRUE and the current page. | |
95 | * @return Functional Blind Callable | |
96 | */ | |
97 | @Override | |
98 | public CallableBlindBin call() { | |
99 | String result = this.injectionBlind.callUrl(this.booleanUrl, this.metadataInjectionProcess, this); | |
100 | this.diffsWithReference = CallableBlindBin.DIFF_MATCH_PATCH.diff_main(this.injectionBlind.getSourceReferencePage(), result, true); | |
101 |
1
1. call : removed call to name/fraser/neil/plaintext/diff_match_patch::diff_cleanupEfficiency → NO_COVERAGE |
CallableBlindBin.DIFF_MATCH_PATCH.diff_cleanupEfficiency(this.diffsWithReference); |
102 |
1
1. call : replaced return value with null for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::call → NO_COVERAGE |
return this; |
103 | } | |
104 | | |
105 | public List<Diff> getDiffsWithReference() { | |
106 |
1
1. getDiffsWithReference : replaced return value with Collections.emptyList for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::getDiffsWithReference → NO_COVERAGE |
return this.diffsWithReference; |
107 | } | |
108 | ||
109 | public int getLow() { | |
110 |
1
1. getLow : replaced int return with 0 for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::getLow → NO_COVERAGE |
return this.low; |
111 | } | |
112 | ||
113 | public int getMid() { | |
114 |
1
1. getMid : replaced int return with 0 for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::getMid → NO_COVERAGE |
return this.mid; |
115 | } | |
116 | ||
117 | public int getHigh() { | |
118 |
1
1. getHigh : replaced int return with 0 for com/jsql/model/injection/strategy/blind/callable/CallableBlindBin::getHigh → NO_COVERAGE |
return this.high; |
119 | } | |
120 | } | |
Mutations | ||
79 |
1.1 |
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80 |
1.1 |
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85 |
1.1 |
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86 |
1.1 |
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89 |
1.1 |
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101 |
1.1 |
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102 |
1.1 |
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106 |
1.1 |
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110 |
1.1 |
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114 |
1.1 |
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118 |
1.1 |