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
|
/*
* crypto-test.c -- test cryptographic routines
*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*/
#include <stdio.h>
#include <string.h>
#include "svn_pools.h"
#include "../svn_test.h"
#include "../../libsvn_subr/crypto.h"
/*** Helper functions ***/
/* Encrypt PASSWORD within CTX using MASTER, then
decrypt those results and ensure the original PASSWORD comes out
the other end. */
static svn_error_t *
encrypt_decrypt(svn_crypto__ctx_t *ctx,
const svn_string_t *master,
const char *password,
apr_pool_t *pool)
{
const svn_string_t *ciphertext, *iv, *salt;
const char *password_again;
SVN_ERR(svn_crypto__encrypt_password(&ciphertext, &iv, &salt, ctx,
password, master, pool, pool));
if (! ciphertext)
return svn_error_create(SVN_ERR_TEST_FAILED, NULL,
"Encryption failed to return ciphertext");
if (! salt)
return svn_error_create(SVN_ERR_TEST_FAILED, NULL,
"Encryption failed to return salt");
if (! iv)
return svn_error_create(SVN_ERR_TEST_FAILED, NULL,
"Encryption failed to return initialization "
"vector");
SVN_ERR(svn_crypto__decrypt_password(&password_again, ctx, ciphertext, iv,
salt, master, pool, pool));
if (! password_again)
return svn_error_create(SVN_ERR_TEST_FAILED, NULL,
"Decryption failed to generate results");
if (strcmp(password, password_again) != 0)
return svn_error_createf(SVN_ERR_TEST_FAILED, NULL,
"Encrypt/decrypt cycle failed to produce "
"original result\n"
" orig (%s)\n"
" new (%s)\n",
password, password_again);
return SVN_NO_ERROR;
}
/*** Test functions ***/
static svn_error_t *
test_encrypt_decrypt_password(apr_pool_t *pool)
{
svn_crypto__ctx_t *ctx;
const svn_string_t *master = svn_string_create("Pastor Massword", pool);
int i;
apr_pool_t *iterpool;
const char *passwords[] = {
"3ncryptm!3", /* fits in one block */
"this is a particularly long password", /* spans blocks */
"mypassphrase", /* with 4-byte padding, should align on block boundary */
};
/* Skip this test if the crypto subsystem is unavailable. */
if (! svn_crypto__is_available())
return svn_error_create(SVN_ERR_TEST_SKIPPED, NULL, NULL);
SVN_ERR(svn_crypto__context_create(&ctx, pool));
iterpool = svn_pool_create(pool);
for (i = 0; i < (sizeof(passwords) / sizeof(const char *)); i++)
{
svn_pool_clear(iterpool);
SVN_ERR(encrypt_decrypt(ctx, master, passwords[i], iterpool));
}
svn_pool_destroy(iterpool);
return SVN_NO_ERROR;
}
static svn_error_t *
test_passphrase_check(apr_pool_t *pool)
{
svn_crypto__ctx_t *ctx;
int i;
apr_pool_t *iterpool;
const char *passwords[] = {
"3ncryptm!3", /* fits in one block */
"this is a particularly long password", /* spans blocks */
"mypassphrase", /* with 4-byte padding, should align on block boundary */
};
const svn_string_t *ciphertext, *iv, *salt, *secret;
const char *checktext;
svn_boolean_t is_valid;
int num_passwords = sizeof(passwords) / sizeof(const char *);
/* Skip this test if the crypto subsystem is unavailable. */
if (! svn_crypto__is_available())
return svn_error_create(SVN_ERR_TEST_SKIPPED, NULL, NULL);
SVN_ERR(svn_crypto__context_create(&ctx, pool));
iterpool = svn_pool_create(pool);
for (i = 0; i < num_passwords; i++)
{
svn_pool_clear(iterpool);
secret = svn_string_create(passwords[i], iterpool);
SVN_ERR(svn_crypto__generate_secret_checktext(&ciphertext, &iv, &salt,
&checktext, ctx, secret,
iterpool, iterpool));
SVN_ERR(svn_crypto__verify_secret(&is_valid, ctx, secret, ciphertext,
iv, salt, checktext, iterpool));
if (! is_valid)
return svn_error_create(SVN_ERR_TEST_FAILED, NULL,
"Error validating secret against checktext");
}
/* Now check that a bogus secret causes the validation to fail. We
try to verify each secret against the checktext generated by the
previous one. */
for (i = 0; i < num_passwords; i++)
{
int test_secret_index = (i + 1) % num_passwords;
svn_pool_clear(iterpool);
secret = svn_string_create(passwords[i], iterpool);
SVN_ERR(svn_crypto__generate_secret_checktext(&ciphertext, &iv, &salt,
&checktext, ctx, secret,
iterpool, iterpool));
secret = svn_string_create(passwords[test_secret_index], iterpool);
SVN_ERR(svn_crypto__verify_secret(&is_valid, ctx, secret, ciphertext,
iv, salt, checktext, iterpool));
if (is_valid)
return svn_error_create(SVN_ERR_TEST_FAILED, NULL,
"Expected secret validation failure; "
"got success");
}
svn_pool_destroy(iterpool);
return SVN_NO_ERROR;
}
/* The test table. */
struct svn_test_descriptor_t test_funcs[] =
{
SVN_TEST_NULL,
SVN_TEST_PASS2(test_encrypt_decrypt_password,
"basic password encryption/decryption test"),
SVN_TEST_PASS2(test_passphrase_check,
"password checktext generation/validation"),
SVN_TEST_NULL
};
|
