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
|
/* some humble start of unit testing */
/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "iu_helpers.h"
#include "asn1helpers.h"
#include <assert.h>
#define ASSERT(x) assert(x)
#include <osmocom/core/utils.h>
void *talloc_asn1_ctx;
/* use odd number of digits */
const uint8_t imsi_encoded[] = { 0x10, 0x32, 0x54, 0x76, 0xF8 };
const char imsi_decoded[] = "012345678";
void test_iu_helpers(void)
{
char outstr[32];
uint8_t outbuf[16];
int rc;
printf("Testing Iu helper functions\n");
printf("pre-encoded: %s\n", osmo_hexdump_nospc(imsi_encoded,
sizeof(imsi_encoded)));
rc = decode_iu_bcd(outstr, sizeof(outstr), imsi_encoded,
sizeof(imsi_encoded));
ASSERT(rc >= 0);
printf("decoded: %s\n", outstr);
ASSERT(!strcmp(outstr, imsi_decoded));
rc = encode_iu_imsi(outbuf, sizeof(outbuf), imsi_decoded);
ASSERT(rc >= 0);
printf("re-encoded: %s\n", osmo_hexdump_nospc(outbuf, rc));
ASSERT(!memcmp(outbuf, imsi_encoded, sizeof(imsi_encoded)));
}
uint32_t val1 = 0xdeadbeef;
const OCTET_STRING_t text1 = {
.buf = "0123456789012345",
.size = 16,
};
const OCTET_STRING_t text2 = {
.buf = "01234567890123456789012345678901234567890",
.size = 40,
};
void test_asn1_helpers(void)
{
int rc;
BIT_STRING_t enc;
uint32_t res;
char text[32];
printf("Testing asn.1 helper functions\n");
printf("Encoding 0x%x to asn.1 bitstring\n", val1);
asn1_u32_to_bitstring(&enc, &val1);
ASSERT(enc.buf == (uint8_t *) &val1);
ASSERT(enc.size == sizeof(uint32_t));
ASSERT(enc.bits_unused == 0);
res = asn1bitstr_to_u32(&enc);
printf("Decoding back to uint32_t: 0x%x\n", res);
ASSERT(res == val1);
rc = asn1_strncpy(text, &text1, sizeof(text));
printf("Decoding string from asn.1: %s\n", text);
ASSERT(rc == 16);
ASSERT(!strcmp(text, (char *)text1.buf));
rc = asn1_strncpy(text, &text2, sizeof(text));
printf("Decoding large string from asn1: %s\n", text);
ASSERT(rc == 31);
}
int main(int argc, char **argv)
{
test_iu_helpers();
test_asn1_helpers();
return 0;
}
|
