summaryrefslogtreecommitdiff
path: root/tests/base64.c
blob: 65af59706851cc25acbc759b2dcbe57e902ba9c8 (plain)
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
/*
 * Copyright (C) 2016 Red Hat, Inc.
 *
 * Author: Nikos Mavrogiannopoulos
 *
 * 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 General Public License
 * along with GnuTLS; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

/* Parts copied from GnuTLS example programs. */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>

#include <string.h>
#include <gnutls/gnutls.h>

#include "utils.h"

static void encode(const char *test_name, const gnutls_datum_t *raw, const char *expected)
{
	int ret;
	gnutls_datum_t out, in;

	ret = gnutls_pem_base64_encode2(test_name, raw, &out);
	if (ret < 0) {
		fail("%s: gnutls_pem_base64_encode2: %s\n", test_name, gnutls_strerror(ret));
		exit(1);
	}

	if (strlen(expected)!=out.size) {
		fail("%s: gnutls_pem_base64_encode2: output has incorrect size (%d, expected %d)\n", test_name, (int)out.size, (int)strlen(expected));
		exit(1);
	}

	if (strncasecmp(expected, (char*)out.data, out.size) != 0) {
		fail("%s: gnutls_pem_base64_encode2: output does not match the expected\n", test_name);
		exit(1);
	}

	gnutls_free(out.data);

	in.data = (void*)expected;
	in.size = strlen(expected);
	ret = gnutls_pem_base64_decode2(test_name, &in, &out);
	if (ret < 0) {
		fail("%s: gnutls_pem_base64_decode2: %s\n", test_name, gnutls_strerror(ret));
		exit(1);
	}

	if (raw->size!=out.size) {
		fail("%s: gnutls_pem_base64_decode2: output has incorrect size (%d, expected %d)\n", test_name, out.size, raw->size);
		exit(1);
	}

	if (memcmp(raw->data, out.data, out.size) != 0) {
		fail("%s: gnutls_pem_base64_decode2: output does not match the expected\n", test_name);
		exit(1);
	}

	gnutls_free(out.data);

	return;
}

static void decode(const char *test_name, const gnutls_datum_t *raw, const char *hex, int res)
{
	int ret;
	gnutls_datum_t out, in;

	in.data = (void*)hex;
	in.size = strlen(hex);
	ret = gnutls_pem_base64_decode2(test_name, &in, &out);
	if (ret < 0) {
		if (res == ret) /* expected */
			return;
		fail("%s: gnutls_pem_base64_decode2: %d/%s\n", test_name, ret, gnutls_strerror(ret));
		exit(1);
	}

	if (res != 0) {
		fail("%s: gnutls_pem_base64_decode2: expected failure, but succeeded!\n", test_name);
		exit(1);
	}

	if (raw->size!=out.size) {
		fail("%s: gnutls_pem_base64_decode2: output has incorrect size (%d, expected %d)\n", test_name, out.size, raw->size);
		exit(1);
	}

	if (memcmp(raw->data, out.data, out.size) != 0) {
		fail("%s: gnutls_pem_base64_decode2: output does not match the expected\n", test_name);
		exit(1);
	}

	gnutls_free(out.data);

	return;
}

struct encode_tests_st {
	const char *name;
	gnutls_datum_t raw;
	const char *pem;
};

struct encode_tests_st encode_tests[] = {
	{
		.name = "rnd1",
		.pem = "-----BEGIN rnd1-----\n"
			"9ppGioRpeiiD2lLNYC85eA==\n"
			"-----END rnd1-----\n",
		.raw = {(void*)"\xf6\x9a\x46\x8a\x84\x69\x7a\x28\x83\xda\x52\xcd\x60\x2f\x39\x78", 16}
	},
	{
		.name = "rnd2",
		.pem = "-----BEGIN rnd2-----\n"
			"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
			"-----END rnd2-----\n",
		.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19}
	}
};

struct decode_tests_st {
	const char *name;
	gnutls_datum_t raw;
	const char *pem;
	int res;
};

struct decode_tests_st decode_tests[] = {
	{
		.name = "dec-rnd1",
		.pem = "-----BEGIN dec-rnd1-----\n"
			"9ppGioRpeiiD2lLNYC85eA==\n"
			"-----END rnd1-----\n",
		.raw = {(void*)"\xf6\x9a\x46\x8a\x84\x69\x7a\x28\x83\xda\x52\xcd\x60\x2f\x39\x78", 16},
		.res = 0
	},
	{
		.name = "dec-rnd2",
		.pem = "-----BEGIN dec-rnd2-----\n"
			"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
			"-----END rnd2-----\n",
		.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
		.res = 0
	},
	{
		.name = "dec-extra-chars",
		.pem = "-----BEGIN dec-extra-chars-----   \n\n"
			"\n\n  LJ/7hUZ3TtPIz2dlc5+YvELe+Q==  \n"
			"   -----END rnd2-----  \n  ",
		.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
		.res = 0
	},
	{
		.name = "dec-invalid-header",
		.pem = "-----BEGIN dec-xxx-----\n"
			"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
			"-----END rnd2-----\n",
		.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
		.res = GNUTLS_E_BASE64_UNEXPECTED_HEADER_ERROR
	},
	{
		.name = "dec-invalid-data",
		.pem = "-----BEGIN dec-invalid-data-----\n"
			"XLJ/7hUZ3TtPIz2dlc5+YvELe+Q==\n"
			"-----END rnd2-----\n",
		.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
		.res = GNUTLS_E_BASE64_DECODING_ERROR
	},
	{
		.name = "dec-invalid-suffix",
		.pem = "-----BEGIN dec-invalid-suffix-----\n"
			"LJ/7hUZ3TtPIz2dlc5+YvELe+Q==XXX\n"
			"-----END rnd2-----\n",
		.raw = {(void*)"\x2c\x9f\xfb\x85\x46\x77\x4e\xd3\xc8\xcf\x67\x65\x73\x9f\x98\xbc\x42\xde\xf9", 19},
		.res = GNUTLS_E_BASE64_DECODING_ERROR
	}
};

void doit(void)
{
	unsigned i;

	for (i=0;i<sizeof(encode_tests)/sizeof(encode_tests[0]);i++) {
		encode(encode_tests[i].name, &encode_tests[i].raw, encode_tests[i].pem);
	}

	for (i=0;i<sizeof(decode_tests)/sizeof(decode_tests[0]);i++) {
		decode(decode_tests[i].name, &decode_tests[i].raw, decode_tests[i].pem, decode_tests[i].res);
	}
}