1#include <base/system.h>
2
3#include <gtest/gtest.h>
4
5static bool mem_is_null(const void *block, size_t size)
6{
7 const unsigned char *bytes = (const unsigned char *)block;
8 size_t i;
9 for(i = 0; i < size; i++)
10 {
11 if(bytes[i] != 0)
12 {
13 return false;
14 }
15 }
16 return true;
17}
18
19TEST(Memory, BaseTypes)
20{
21 void *aVoid[123];
22 secure_random_fill(bytes: aVoid, length: sizeof(aVoid));
23 EXPECT_FALSE(mem_is_null(aVoid, sizeof(aVoid)));
24 mem_zero(block: &aVoid, size: sizeof(aVoid));
25 EXPECT_TRUE(mem_is_null(aVoid, sizeof(aVoid)));
26 secure_random_fill(bytes: aVoid, length: sizeof(aVoid));
27 EXPECT_FALSE(mem_is_null(aVoid, sizeof(aVoid)));
28 mem_zero(block: &aVoid[0], size: 123 * sizeof(void *));
29 EXPECT_TRUE(mem_is_null(aVoid, sizeof(aVoid)));
30
31 secure_random_fill(bytes: aVoid, length: sizeof(aVoid));
32 EXPECT_FALSE(mem_is_null(aVoid, sizeof(aVoid)));
33 mem_zero(block: aVoid, size: sizeof(aVoid));
34 EXPECT_TRUE(mem_is_null(aVoid, sizeof(aVoid)));
35
36 int aInt[512];
37 secure_random_fill(bytes: aInt, length: sizeof(aInt));
38 EXPECT_FALSE(mem_is_null(aInt, sizeof(aInt)));
39 mem_zero(block: &aInt, size: sizeof(aInt));
40 EXPECT_TRUE(mem_is_null(aInt, sizeof(aInt)));
41 secure_random_fill(bytes: aInt, length: sizeof(aInt));
42 EXPECT_FALSE(mem_is_null(aInt, sizeof(aInt)));
43 mem_zero(block: &aInt[0], size: sizeof(aInt));
44 EXPECT_TRUE(mem_is_null(aInt, sizeof(aInt)));
45
46 secure_random_fill(bytes: aInt, length: sizeof(aInt));
47 EXPECT_FALSE(mem_is_null(aInt, sizeof(aInt)));
48 mem_zero(block: aInt, size: sizeof(aInt));
49 EXPECT_TRUE(mem_is_null(aInt, sizeof(aInt)));
50
51 int *apInt[512];
52 secure_random_fill(bytes: apInt, length: sizeof(apInt));
53 EXPECT_FALSE(mem_is_null(apInt, sizeof(apInt)));
54 mem_zero(block: &apInt, size: sizeof(apInt));
55 EXPECT_TRUE(mem_is_null(apInt, sizeof(apInt)));
56
57 secure_random_fill(bytes: apInt, length: sizeof(apInt));
58 EXPECT_FALSE(mem_is_null(apInt, sizeof(apInt)));
59 mem_zero(block: apInt, size: sizeof(apInt));
60 EXPECT_TRUE(mem_is_null(apInt, sizeof(apInt)));
61
62 int aaInt[10][20];
63 secure_random_fill(bytes: aaInt, length: sizeof(aaInt));
64 EXPECT_FALSE(mem_is_null(aaInt, sizeof(aaInt)));
65 mem_zero(block: &aaInt, size: sizeof(aaInt));
66 EXPECT_TRUE(mem_is_null(aaInt, sizeof(aaInt)));
67 secure_random_fill(bytes: aaInt, length: sizeof(aaInt));
68 EXPECT_FALSE(mem_is_null(aaInt, sizeof(aaInt)));
69 mem_zero(block: &aaInt[0], size: sizeof(aaInt));
70 EXPECT_TRUE(mem_is_null(aaInt, sizeof(aaInt)));
71 secure_random_fill(bytes: aaInt, length: sizeof(aaInt));
72 EXPECT_FALSE(mem_is_null(aaInt, sizeof(aaInt)));
73 mem_zero(block: &aaInt[0][0], size: sizeof(aaInt));
74 EXPECT_TRUE(mem_is_null(aaInt, sizeof(aaInt)));
75
76 secure_random_fill(bytes: aaInt, length: sizeof(aaInt));
77 EXPECT_FALSE(mem_is_null(aaInt, sizeof(aaInt)));
78 mem_zero(block: aaInt, size: sizeof(aaInt));
79 EXPECT_TRUE(mem_is_null(aaInt, sizeof(aaInt)));
80 secure_random_fill(bytes: aaInt, length: sizeof(aaInt));
81 EXPECT_FALSE(mem_is_null(aaInt, sizeof(aaInt)));
82 mem_zero(block: aaInt[0], size: sizeof(aaInt));
83 EXPECT_TRUE(mem_is_null(aaInt, sizeof(aaInt)));
84
85 int *aapInt[10][20];
86 secure_random_fill(bytes: aapInt, length: sizeof(aapInt));
87 EXPECT_FALSE(mem_is_null(aapInt, sizeof(aapInt)));
88 mem_zero(block: &aapInt, size: sizeof(aapInt));
89 EXPECT_TRUE(mem_is_null(aapInt, sizeof(aapInt)));
90 secure_random_fill(bytes: aapInt, length: sizeof(aapInt));
91 EXPECT_FALSE(mem_is_null(aapInt, sizeof(aapInt)));
92 mem_zero(block: &aapInt[0], size: sizeof(aapInt));
93 EXPECT_TRUE(mem_is_null(aapInt, sizeof(aapInt)));
94
95 secure_random_fill(bytes: aapInt, length: sizeof(aapInt));
96 EXPECT_FALSE(mem_is_null(aapInt, sizeof(aapInt)));
97 mem_zero(block: aapInt, size: sizeof(aapInt));
98 EXPECT_TRUE(mem_is_null(aapInt, sizeof(aapInt)));
99 secure_random_fill(bytes: aapInt, length: sizeof(aapInt));
100 EXPECT_FALSE(mem_is_null(aapInt, sizeof(aapInt)));
101 mem_zero(block: aapInt[0], size: sizeof(aapInt));
102 EXPECT_TRUE(mem_is_null(aapInt, sizeof(aapInt)));
103}
104
105TEST(Memory, PodTypes)
106{
107 NETADDR aAddr[123];
108 secure_random_fill(bytes: aAddr, length: sizeof(aAddr));
109 EXPECT_FALSE(mem_is_null(aAddr, sizeof(aAddr)));
110 mem_zero(block: &aAddr, size: sizeof(aAddr));
111 EXPECT_TRUE(mem_is_null(aAddr, sizeof(aAddr)));
112 secure_random_fill(bytes: aAddr, length: sizeof(aAddr));
113 EXPECT_FALSE(mem_is_null(aAddr, sizeof(aAddr)));
114 mem_zero(block: &aAddr[0], size: sizeof(aAddr));
115 EXPECT_TRUE(mem_is_null(aAddr, sizeof(aAddr)));
116
117 secure_random_fill(bytes: aAddr, length: sizeof(aAddr));
118 EXPECT_FALSE(mem_is_null(aAddr, sizeof(aAddr)));
119 mem_zero(block: aAddr, size: sizeof(aAddr));
120 EXPECT_TRUE(mem_is_null(aAddr, sizeof(aAddr)));
121
122 NETADDR *apAddr[123];
123 secure_random_fill(bytes: apAddr, length: sizeof(apAddr));
124 EXPECT_FALSE(mem_is_null(apAddr, sizeof(apAddr)));
125 mem_zero(block: (NETADDR **)apAddr, size: sizeof(apAddr));
126 EXPECT_TRUE(mem_is_null(apAddr, sizeof(apAddr)));
127 secure_random_fill(bytes: apAddr, length: sizeof(apAddr));
128 EXPECT_FALSE(mem_is_null(apAddr, sizeof(apAddr)));
129 mem_zero(block: &apAddr, size: sizeof(apAddr));
130 EXPECT_TRUE(mem_is_null(apAddr, sizeof(apAddr)));
131 secure_random_fill(bytes: apAddr, length: sizeof(apAddr));
132 EXPECT_FALSE(mem_is_null(apAddr, sizeof(apAddr)));
133 mem_zero(block: &apAddr[0], size: sizeof(apAddr));
134 EXPECT_TRUE(mem_is_null(apAddr, sizeof(apAddr)));
135 secure_random_fill(bytes: apAddr, length: sizeof(apAddr));
136 EXPECT_FALSE(mem_is_null(apAddr, sizeof(apAddr)));
137 mem_zero(block: apAddr, size: sizeof(apAddr));
138 EXPECT_TRUE(mem_is_null(apAddr, sizeof(apAddr)));
139
140 // 2D arrays
141 NETADDR aaAddr[10][20];
142 secure_random_fill(bytes: aaAddr, length: sizeof(aaAddr));
143 EXPECT_FALSE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
144 mem_zero(block: &aaAddr, size: sizeof(aaAddr));
145 EXPECT_TRUE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
146 secure_random_fill(bytes: aaAddr, length: sizeof(aaAddr));
147 EXPECT_FALSE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
148 mem_zero(block: &aaAddr[0], size: sizeof(aaAddr));
149 EXPECT_TRUE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
150 secure_random_fill(bytes: aaAddr, length: sizeof(aaAddr));
151 EXPECT_FALSE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
152 mem_zero(block: &aaAddr[0][0], size: sizeof(aaAddr));
153 EXPECT_TRUE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
154
155 secure_random_fill(bytes: aaAddr, length: sizeof(aaAddr));
156 EXPECT_FALSE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
157 mem_zero(block: aaAddr, size: sizeof(aaAddr));
158 EXPECT_TRUE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
159 secure_random_fill(bytes: aaAddr, length: sizeof(aaAddr));
160 EXPECT_FALSE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
161 mem_zero(block: aaAddr[0], size: sizeof(aaAddr));
162 EXPECT_TRUE(mem_is_null((NETADDR *)aaAddr, sizeof(aaAddr)));
163
164 // 2D pointer arrays
165 NETADDR *aapAddr[10][20];
166 secure_random_fill(bytes: aapAddr, length: sizeof(aapAddr));
167 EXPECT_FALSE(mem_is_null(aapAddr, sizeof(aapAddr)));
168 mem_zero(block: &aapAddr, size: sizeof(aapAddr));
169 EXPECT_TRUE(mem_is_null(aapAddr, sizeof(aapAddr)));
170 secure_random_fill(bytes: aapAddr, length: sizeof(aapAddr));
171 EXPECT_FALSE(mem_is_null(aapAddr, sizeof(aapAddr)));
172 mem_zero(block: &aapAddr[0], size: sizeof(aapAddr));
173 EXPECT_TRUE(mem_is_null(aapAddr, sizeof(aapAddr)));
174 secure_random_fill(bytes: aapAddr, length: sizeof(aapAddr));
175 EXPECT_FALSE(mem_is_null(aapAddr, sizeof(aapAddr)));
176 mem_zero(block: &aapAddr[0][0], size: sizeof(aapAddr));
177 EXPECT_TRUE(mem_is_null(aapAddr, sizeof(aapAddr)));
178
179 secure_random_fill(bytes: aapAddr, length: sizeof(aapAddr));
180 EXPECT_FALSE(mem_is_null(aapAddr, sizeof(aapAddr)));
181 mem_zero(block: aapAddr, size: sizeof(aapAddr));
182 EXPECT_TRUE(mem_is_null(aapAddr, sizeof(aapAddr)));
183 secure_random_fill(bytes: aapAddr, length: sizeof(aapAddr));
184 EXPECT_FALSE(mem_is_null(aapAddr, sizeof(aapAddr)));
185 mem_zero(block: aapAddr[0], size: sizeof(aapAddr));
186 EXPECT_TRUE(mem_is_null(aapAddr, sizeof(aapAddr)));
187}
188