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/*
* (C) 2012 by Holger Hans Peter Freyther
* 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/gsm/gsm0808.h>
#include <stdio.h>
#include <stdlib.h>
#define VERIFY(msg, data, len) \
if (msgb_l3len(msg) != len) { \
printf("%s:%d Length don't match: %d vs. %d. %s\n", \
__func__, __LINE__, msgb_l3len(msg), (int) len, \
osmo_hexdump(msg->l3h, msgb_l3len(msg))); \
abort(); \
} else if (memcmp(msg->l3h, data, len) != 0) { \
printf("%s:%d didn't match: got: %s\n", \
__func__, __LINE__, \
osmo_hexdump(msg->l3h, msgb_l3len(msg))); \
abort(); \
}
static void test_create_layer3(void)
{
static const uint8_t res[] = {
0x00, 0x0e, 0x57, 0x05, 0x08, 0x00, 0x77, 0x62,
0x83, 0x33, 0x66, 0x44, 0x88, 0x17, 0x01, 0x23 };
struct msgb *msg, *in_msg;
printf("Testing creating Layer3\n");
in_msg = msgb_alloc_headroom(512, 128, "foo");
in_msg->l3h = in_msg->data;
msgb_v_put(in_msg, 0x23);
msg = gsm0808_create_layer3(in_msg, 0x1122, 0x2244, 0x3366, 0x4488);
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
msgb_free(in_msg);
}
static void test_create_reset()
{
static const uint8_t res[] = { 0x00, 0x04, 0x30, 0x04, 0x01, 0x20 };
struct msgb *msg;
printf("Testing creating Reset\n");
msg = gsm0808_create_reset();
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
}
static void test_create_clear_command()
{
static const uint8_t res[] = { 0x20, 0x04, 0x01, 0x23 };
struct msgb *msg;
printf("Testing creating Clear Command\n");
msg = gsm0808_create_clear_command(0x23);
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
}
static void test_create_clear_complete()
{
static const uint8_t res[] = { 0x00, 0x01, 0x21 };
struct msgb *msg;
printf("Testing creating Clear Complete\n");
msg = gsm0808_create_clear_complete();
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
}
static void test_create_cipher_complete()
{
static const uint8_t res1[] = {
0x00, 0x08, 0x55, 0x20, 0x03, 0x23, 0x42, 0x21, 0x2c, 0x04 };
static const uint8_t res2[] = { 0x00, 0x03, 0x55, 0x2c, 0x04};
struct msgb *l3, *msg;
printf("Testing creating Cipher Complete\n");
l3 = msgb_alloc_headroom(512, 128, "l3h");
l3->l3h = l3->data;
msgb_v_put(l3, 0x23);
msgb_v_put(l3, 0x42);
msgb_v_put(l3, 0x21);
/* with l3 data */
msg = gsm0808_create_cipher_complete(l3, 4);
VERIFY(msg, res1, ARRAY_SIZE(res1));
msgb_free(msg);
/* with l3 data but short */
l3->len -= 1;
l3->tail -= 1;
msg = gsm0808_create_cipher_complete(l3, 4);
VERIFY(msg, res2, ARRAY_SIZE(res2));
msgb_free(msg);
/* without l3 data */
msg = gsm0808_create_cipher_complete(NULL, 4);
VERIFY(msg, res2, ARRAY_SIZE(res2));
msgb_free(msg);
msgb_free(l3);
}
static void test_create_cipher_reject()
{
static const uint8_t res[] = { 0x00, 0x02, 0x59, 0x23 };
struct msgb *msg;
printf("Testing creating Cipher Reject\n");
msg = gsm0808_create_cipher_reject(0x23);
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
}
static void test_create_cm_u()
{
static const uint8_t res[] = {
0x00, 0x07, 0x54, 0x12, 0x01, 0x23, 0x13, 0x01, 0x42 };
static const uint8_t res2o[] = {
0x00, 0x04, 0x54, 0x12, 0x01, 0x23 };
struct msgb *msg;
const uint8_t cm2 = 0x23;
const uint8_t cm3 = 0x42;
printf("Testing creating CM U\n");
msg = gsm0808_create_classmark_update(&cm2, 1, &cm3, 1);
VERIFY(msg, res, ARRAY_SIZE(res));
msg = gsm0808_create_classmark_update(&cm2, 1, NULL, 0);
VERIFY(msg, res2o, ARRAY_SIZE(res2o));
msgb_free(msg);
}
static void test_create_sapi_reject()
{
static const uint8_t res[] = { 0x00, 0x03, 0x25, 0x03, 0x25 };
struct msgb *msg;
printf("Testing creating SAPI Reject\n");
msg = gsm0808_create_sapi_reject(3);
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
}
static void test_create_ass_compl()
{
static const uint8_t res1[] = {
0x00, 0x09, 0x02, 0x15, 0x23, 0x21, 0x42, 0x2c,
0x11, 0x40, 0x22 };
static const uint8_t res2[] = {
0x00, 0x07, 0x02, 0x15, 0x23, 0x21, 0x42, 0x2c, 0x11};
struct msgb *msg;
printf("Testing creating Assignment Complete\n");
msg = gsm0808_create_assignment_completed(0x23, 0x42, 0x11, 0x22);
VERIFY(msg, res1, ARRAY_SIZE(res1));
msgb_free(msg);
msg = gsm0808_create_assignment_completed(0x23, 0x42, 0x11, 0);
VERIFY(msg, res2, ARRAY_SIZE(res2));
msgb_free(msg);
}
static void test_create_ass_fail()
{
static const uint8_t res1[] = { 0x00, 0x04, 0x03, 0x04, 0x01, 0x23 };
static const uint8_t res2[] = {
0x00, 0x06, 0x03, 0x04, 0x01, 0x23, 0x15, 0x02};
uint8_t rr_res = 2;
struct msgb *msg;
printf("Testing creating Assignment Failure\n");
msg = gsm0808_create_assignment_failure(0x23, NULL);
VERIFY(msg, res1, ARRAY_SIZE(res1));
msgb_free(msg);
msg = gsm0808_create_assignment_failure(0x23, &rr_res);
VERIFY(msg, res2, ARRAY_SIZE(res2));
msgb_free(msg);
}
static void test_create_clear_rqst()
{
static const uint8_t res[] = { 0x00, 0x04, 0x22, 0x04, 0x01, 0x23 };
struct msgb *msg;
printf("Testing creating Clear Request\n");
msg = gsm0808_create_clear_rqst(0x23);
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
}
static void test_create_dtap()
{
static const uint8_t res[] = { 0x01, 0x03, 0x02, 0x23, 0x42 };
struct msgb *msg, *l3;
printf("Testing creating DTAP\n");
l3 = msgb_alloc_headroom(512, 128, "test");
l3->l3h = l3->data;
msgb_v_put(l3, 0x23);
msgb_v_put(l3, 0x42);
msg = gsm0808_create_dtap(l3, 0x3);
VERIFY(msg, res, ARRAY_SIZE(res));
msgb_free(msg);
msgb_free(l3);
}
static void test_prepend_dtap()
{
static const uint8_t res[] = { 0x01, 0x03, 0x02, 0x23, 0x42 };
struct msgb *in_msg;
printf("Testing prepend DTAP\n");
in_msg = msgb_alloc_headroom(512, 128, "test");
msgb_v_put(in_msg, 0x23);
msgb_v_put(in_msg, 0x42);
gsm0808_prepend_dtap_header(in_msg, 0x3);
in_msg->l3h = in_msg->data;
VERIFY(in_msg, res, ARRAY_SIZE(res));
msgb_free(in_msg);
}
int main(int argc, char **argv)
{
printf("Testing generation of GSM0808 messages\n");
test_create_layer3();
test_create_reset();
test_create_clear_command();
test_create_clear_complete();
test_create_cipher_complete();
test_create_cipher_reject();
test_create_cm_u();
test_create_sapi_reject();
test_create_ass_compl();
test_create_ass_fail();
test_create_clear_rqst();
test_create_dtap();
test_prepend_dtap();
printf("Done\n");
return EXIT_SUCCESS;
}
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