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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/*
* Copyright (C) 2019 Red Hat, Inc.
*
* Author: Daiki Ueno
*
* This file is part of GnuTLS.
*
* GnuTLS is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuTLS is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gnutls_int.h"
#include "../lib/iov.h"
#include "utils.h"
struct exp_st {
ssize_t ret;
size_t iov_index;
size_t iov_offset;
};
struct test_st {
const char *name;
const giovec_t *iov;
size_t iovcnt;
size_t block_size;
const struct exp_st *exp;
size_t expcnt;
};
static const giovec_t iov16[] = { { (void *)"0123456789012345", 16 },
{ (void *)"0123456789012345", 16 },
{ (void *)"0123456789012345", 16 },
{ (void *)"0123456789012345", 16 } };
static const struct exp_st exp16_64[] = { { 64, 4, 0 }, { 0, 0, 0 } };
static const struct exp_st exp16_32[] = { { 32, 2, 0 },
{ 32, 4, 0 },
{ 0, 0, 0 } };
static const struct exp_st exp16_16[] = { { 16, 1, 0 },
{ 16, 2, 0 },
{ 16, 3, 0 },
{ 16, 4, 0 },
{ 0, 0, 0 } };
static const struct exp_st exp16_4[] = { { 16, 1, 0 },
{ 16, 2, 0 },
{ 16, 3, 0 },
{ 16, 4, 0 },
{ 0, 0, 0 } };
static const struct exp_st exp16_3[] = { { 15, 0, 15 }, { 3, 1, 2 },
{ 12, 1, 14 }, { 3, 2, 1 },
{ 15, 3, 0 }, { 15, 3, 15 },
{ 1, 4, 0 }, { 0, 0, 0 } };
static const giovec_t iov8[] = { { (void *)"01234567", 8 },
{ (void *)"01234567", 8 },
{ (void *)"01234567", 8 },
{ (void *)"01234567", 8 } };
static const struct exp_st exp8_64[] = { { 32, 4, 0 }, { 0, 0, 0 } };
static const giovec_t iov_odd[] = { { (void *)"0", 1 },
{ (void *)"012", 3 },
{ (void *)"01234", 5 },
{ (void *)"0123456", 7 },
{ (void *)"012345678", 9 },
{ (void *)"01234567890", 11 },
{ (void *)"0123456789012", 13 },
{ (void *)"012345678901234", 15 } };
static const struct exp_st exp_odd_16[] = { { 16, 4, 0 },
{ 16, 5, 7 },
{ 16, 6, 12 },
{ 16, 8, 0 },
{ 0, 0, 0 } };
static const giovec_t iov_skip[] = { { (void *)"0123456789012345", 16 },
{ (void *)"01234567", 8 },
{ (void *)"", 0 },
{ (void *)"", 0 },
{ (void *)"0123456789012345", 16 } };
static const struct exp_st exp_skip_16[] = { { 16, 1, 0 },
{ 16, 4, 8 },
{ 8, 5, 0 },
{ 0, 0, 0 } };
static const giovec_t iov_empty[] = { { (void *)"", 0 },
{ (void *)"", 0 },
{ (void *)"", 0 },
{ (void *)"", 0 } };
static const struct exp_st exp_empty_16[] = { { 0, 0, 0 } };
static const struct test_st tests[] = {
{ "16/64", iov16, sizeof(iov16) / sizeof(iov16[0]), 64, exp16_64,
sizeof(exp16_64) / sizeof(exp16_64[0]) },
{ "16/32", iov16, sizeof(iov16) / sizeof(iov16[0]), 32, exp16_32,
sizeof(exp16_32) / sizeof(exp16_32[0]) },
{ "16/16", iov16, sizeof(iov16) / sizeof(iov16[0]), 16, exp16_16,
sizeof(exp16_16) / sizeof(exp16_16[0]) },
{ "16/4", iov16, sizeof(iov16) / sizeof(iov16[0]), 4, exp16_4,
sizeof(exp16_4) / sizeof(exp16_4[0]) },
{ "16/3", iov16, sizeof(iov16) / sizeof(iov16[0]), 3, exp16_3,
sizeof(exp16_3) / sizeof(exp16_3[0]) },
{ "8/64", iov8, sizeof(iov8) / sizeof(iov8[0]), 64, exp8_64,
sizeof(exp8_64) / sizeof(exp8_64[0]) },
{ "odd/16", iov_odd, sizeof(iov_odd) / sizeof(iov_odd[0]), 16,
exp_odd_16, sizeof(exp_odd_16) / sizeof(exp_odd_16[0]) },
{ "skip/16", iov_skip, sizeof(iov_skip) / sizeof(iov_skip[0]), 16,
exp_skip_16, sizeof(exp_skip_16) / sizeof(exp_skip_16[0]) },
{ "empty/16", iov_empty, sizeof(iov_empty) / sizeof(iov_empty[0]), 16,
exp_empty_16, sizeof(exp_empty_16) / sizeof(exp_empty_16[0]) },
};
static void copy(giovec_t *dst, uint8_t *buffer, const giovec_t *src,
size_t iovcnt)
{
uint8_t *p = buffer;
size_t i;
for (i = 0; i < iovcnt; i++) {
dst[i].iov_base = p;
dst[i].iov_len = src[i].iov_len;
memcpy(dst[i].iov_base, src[i].iov_base, src[i].iov_len);
p += src[i].iov_len;
}
}
static void translate(uint8_t *data, size_t len)
{
for (; len > 0; len--) {
uint8_t *p = &data[len - 1];
if (*p >= '0' && *p <= '9')
*p = 'A' + *p - '0';
else if (*p >= 'A' && *p <= 'Z')
*p = '0' + *p - 'A';
}
}
#define MAX_BUF 1024
#define MAX_IOV 16
void doit(void)
{
uint8_t buffer[MAX_BUF];
size_t i;
for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
giovec_t iov[MAX_IOV];
struct iov_iter_st iter;
const struct exp_st *exp = tests[i].exp;
uint8_t *data;
size_t j;
copy(iov, buffer, tests[i].iov, tests[i].iovcnt);
success("%s\n", tests[i].name);
assert(_gnutls_iov_iter_init(&iter, iov, tests[i].iovcnt,
tests[i].block_size) == 0);
for (j = 0; j < tests[i].expcnt; j++) {
ssize_t ret;
ret = _gnutls_iov_iter_next(&iter, &data);
if (ret != exp[j].ret)
fail("iov_iter_next: %d != %d\n", (int)ret,
(int)exp[j].ret);
else if (debug)
success("iov_iter_next: %d == %d\n", (int)ret,
(int)exp[j].ret);
if (ret == 0)
break;
if (ret > 0) {
if (iter.iov_index != exp[j].iov_index)
fail("iter.iov_index: %u != %u\n",
(unsigned)iter.iov_index,
(unsigned)exp[j].iov_index);
else if (debug)
success("iter.iov_index: %u == %u\n",
(unsigned)iter.iov_index,
(unsigned)exp[j].iov_index);
if (iter.iov_offset != exp[j].iov_offset)
fail("iter.iov_offset: %u != %u\n",
(unsigned)iter.iov_offset,
(unsigned)exp[j].iov_offset);
else if (debug)
success("iter.iov_offset: %u == %u\n",
(unsigned)iter.iov_offset,
(unsigned)exp[j].iov_offset);
if (iter.block_offset != 0)
fail("iter.block_offset: %u != 0\n",
(unsigned)iter.block_offset);
else if (debug)
success("iter.block_offset: %u == 0\n",
(unsigned)iter.block_offset);
translate(data, ret);
ret = _gnutls_iov_iter_sync(&iter, data, ret);
if (ret < 0)
fail("sync failed\n");
}
}
for (j = 0; j < tests[i].iovcnt; j++) {
translate(iov[j].iov_base, iov[j].iov_len);
if (iov[j].iov_len != tests[i].iov[j].iov_len ||
memcmp(iov[j].iov_base, tests[i].iov[j].iov_base,
iov[j].iov_len) != 0)
fail("iov doesn't match: \"%.*s\" != \"%.*s\"\n",
(int)iov[j].iov_len,
(char *)iov[j].iov_base,
(int)tests[i].iov[j].iov_len,
(char *)tests[i].iov[j].iov_base);
}
}
}
|
