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/*
* (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;
}
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