aboutsummaryrefslogtreecommitdiffstats
path: root/tests/abis/abis_test.c
blob: c0605c28413d64d287c33732a92918c19ce64335 (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
212
/*
 * (C) 2012 by Holger Hans Peter Freyther <zecke@selfish.org>
 * (C) 2017 by sysmocom - s.m.f.c. GmbH <info@sysmocom.de>
 * All Rights Reserved
 *
 * This program 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 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 */

#include <osmocom/core/application.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/utils.h>
#include <osmocom/gsm/lapdm.h>
#include <osmocom/gsm/rsl.h>
#include <osmocom/gsm/protocol/gsm_12_21.h>

#include <errno.h>
#include <stdbool.h>
#include <string.h>

static struct log_info info = {};

static const uint8_t simple_config[] = { 66, 18, 0, 3, 1, 2, 3, 19, 0, 3, 3, 4, 5 };

static const uint8_t dual_config[] = {
	66, 18, 0, 3, 1, 2, 3, 19, 0, 3, 3, 4, 5,
	66, 18, 0, 3, 9, 7, 5, 19, 0, 3, 6, 7, 8,
};

static void test_simple_sw_config(void)
{
	struct abis_nm_sw_desc desc[1];
	uint16_t len;
	int rc;

	rc = abis_nm_get_sw_conf(simple_config, ARRAY_SIZE(simple_config), &desc[0], ARRAY_SIZE(desc));
	if (rc != 1) {
		printf("%s(): FAILED to parse the File Id/File version: %d\n", __func__, rc);
		abort();
	}

	len = abis_nm_sw_desc_len(&desc[0], true);
	if (len != 13) {
		printf("WRONG SIZE: %u\n", len);
		abort();
	}

	printf("len: %u\n", len);
	printf("file_id:  %s\n", osmo_hexdump(desc[0].file_id, desc[0].file_id_len));
	printf("file_ver: %s\n", osmo_hexdump(desc[0].file_version, desc[0].file_version_len));
	printf("%s(): OK\n", __func__);
}

static void test_simple_sw_short(void)
{
	struct abis_nm_sw_desc desc[1];
	int i;

	for (i = 1; i < ARRAY_SIZE(simple_config); ++i) {
		int rc = abis_nm_get_sw_conf(simple_config, ARRAY_SIZE(simple_config) - i, &desc[0], ARRAY_SIZE(desc));
		if (rc >= 1) {
			printf("SHOULD not have parsed: %d\n", rc);
			abort();
		}
	}
	printf("%s(): OK\n", __func__);
}

static void test_dual_sw_config(void)
{
	struct abis_nm_sw_desc desc[2];
	uint16_t len0, len1;
	int rc;

	rc = abis_nm_get_sw_conf(dual_config, ARRAY_SIZE(dual_config), &desc[0], ARRAY_SIZE(desc));
	if (rc != 2) {
		printf("%s(): FAILED to parse the File Id/File version: %d (%d,%d)\n",
		       __func__, -rc, EBADF, EBADMSG);
		abort();
	}

	len0 = abis_nm_sw_desc_len(&desc[0], true);
	if (len0 != 13) {
		printf("WRONG SIZE0: %u\n", len0);
		abort();
	}

	len1 = abis_nm_sw_desc_len(&desc[1], true);
	if (len1 != 13) {
		printf("WRONG SIZE1: %u\n", len1);
		abort();
	}

	printf("len: %u\n", len0);
	printf("file_id:  %s\n", osmo_hexdump(desc[0].file_id, desc[0].file_id_len));
	printf("file_ver: %s\n", osmo_hexdump(desc[0].file_version, desc[0].file_version_len));

	printf("len: %u\n", len1);
	printf("file_id:  %s\n", osmo_hexdump(desc[1].file_id, desc[1].file_id_len));
	printf("file_ver: %s\n", osmo_hexdump(desc[1].file_version, desc[1].file_version_len));
	printf("%s(): OK\n", __func__);
}

static inline void print_chk(const char *what, uint8_t len1, uint8_t len2, const uint8_t *x1, const uint8_t *x2)
{
	int cmp = memcmp(x1, x2, len2);
	printf("\tFILE %s [%u == %u -> %d, %s] %d => %s\n", what, len1, len2, len1 == len2, len1 != len2 ? "fail" : "ok",
	       cmp, cmp != 0 ? "FAIL" : "OK");
}

static inline void chk_raw(const char *what, const uint8_t *data, uint16_t len)
{
	/* = { 0 } triggers a warning in some gcc versions due to a bug: gcc issue #53119 */
	struct abis_nm_sw_desc sw = { {0} };
	int res = abis_nm_get_sw_conf(data, len, &sw, 1);
	uint16_t xlen = abis_nm_get_sw_desc_len(data, len);

	printf("parsing chained %s <1st: %d, total: %d>\n\tSW Descr (%s)\n", osmo_hexdump(data, len), xlen, len, what);

	if (res < 0)
		printf("\tFAIL: %d\n", -res);
	else {
		printf("\tFILE ID: [%d] %s => OK\n", sw.file_id_len, osmo_hexdump(sw.file_id, sw.file_id_len));
		printf("\tFILE VERSION: [%d] %s => OK\n", sw.file_version_len,
		       osmo_hexdump(sw.file_version, sw.file_version_len));
	}

	if (len != xlen)
		chk_raw(" 2nd", data + xlen, len - xlen);
}

static inline void chk_descr(struct msgb *msg, const char *f_id, const char *f_ver, const char *desc, bool header)
{
	int res;
	uint16_t len;
	/* = { 0 } triggers a warning in some gcc versions due to a bug: gcc issue #53119 */
	struct abis_nm_sw_desc sw = { {0} }, put = {
		.file_id_len = strlen(f_id),
		.file_version_len = strlen(f_ver),
	};

	memcpy(put.file_id, f_id, put.file_id_len);
	memcpy(put.file_version, f_ver, put.file_version_len);
	len = abis_nm_put_sw_file(msg, f_id, f_ver, header);

	printf("msgb[%u] :: {msgb->len} %u == %u {len}  - %s]:\n\tSW DESCR (%s)\n"
	       "\tlength: {extracted} %u = %u {expected} - %s, failsafe - %s\n",
	       msg->data_len, msg->len, len, len != msg->len ? "fail" : "ok", desc,
	       abis_nm_get_sw_desc_len(msgb_data(msg), msg->len), msg->len,
	       abis_nm_get_sw_desc_len(msgb_data(msg), msg->len) != msg->len ? "FAIL" : "OK",
	       len > put.file_version_len + put.file_id_len ? "OK" : "FAIL");

	res = abis_nm_get_sw_conf(msgb_data(msg), msg->len, &sw, 1);
	if (res < 0)
		printf("\tSW DESCR (%s) parsing error code %d!\n", desc, -res);
	else {
		print_chk("ID", sw.file_id_len, put.file_id_len, sw.file_id, put.file_id);
		print_chk("VERSION", sw.file_version_len, put.file_version_len, sw.file_version, put.file_version);
	}
}

static void test_sw_descr()
{
	const char *f_id = "TEST.L0L", *f_ver = "0.1.666~deadbeeffacefeed-dirty";
	uint8_t chain[] = { 0x42, 0x12, 0x00, 0x03, 0x01, 0x02, 0x03, 0x13, 0x00, 0x03, 0x03, 0x04, 0x05, 0x42, 0x12,
			    0x00, 0x03, 0x09, 0x07, 0x05, 0x13, 0x00, 0x03, 0x06, 0x07, 0x08 };
	struct msgb *msg = msgb_alloc_headroom(4096, 128, "sw");

	printf("Testing SW Description (de)serialization...\n");

	/* check that parsing |SW|ID|VER| works: */
	chk_descr(msg, f_id, f_ver, "with header", true);
	msgb_reset(msg);

	/* check that parsing |ID|VER| works: */
	chk_descr(msg, f_id, f_ver, "without header", false);

	/* check that parsing |ID|VER|SW|ID|VER| fails - notice the lack of msgb_reset() to create bogus msgb data: */
	chk_descr(msg, f_id, f_ver, "expected failure", true);

	/* check multiple, chained SW-descr: */
	chk_raw("half", chain, sizeof(chain) / 2);
	chk_raw("full", chain, sizeof(chain));

	msgb_free(msg);
}

int main(int argc, char **argv)
{
	osmo_init_logging(&info);

	test_sw_descr();
	test_simple_sw_config();
	test_simple_sw_short();
	test_dual_sw_config();

	printf("OK.\n");

	return 0;
}