static void test_mi_functionality(void)
{
const char *imsi_odd = "987654321098763";
const char *imsi_even = "9876543210987654";
const u_int32_t tmsi = 0xfabeacd0;
u_int8_t mi[128];
unsigned int mi_len;
char mi_parsed[GSM48_MI_SIZE];
printf("Testing parsing and generating TMSI/IMSI\n");
/* tmsi code */
mi_len = gsm48_generate_mid_from_tmsi(mi, tmsi);
gsm48_mi_to_string(mi_parsed, sizeof(mi_parsed), mi + 2, mi_len - 2);
COMPARE((u_int32_t)strtoul(mi_parsed, NULL, 10), ==, tmsi);
/* imsi code */
mi_len = gsm48_generate_mid_from_imsi(mi, imsi_odd);
gsm48_mi_to_string(mi_parsed, sizeof(mi_parsed), mi + 2, mi_len -2);
printf("hex: %s\n", hexdump(mi, mi_len));
COMPARE_STR(mi_parsed, imsi_odd);
mi_len = gsm48_generate_mid_from_imsi(mi, imsi_even);
gsm48_mi_to_string(mi_parsed, sizeof(mi_parsed), mi + 2, mi_len -2);
printf("hex: %s\n", hexdump(mi, mi_len));
COMPARE_STR(mi_parsed, imsi_even);
}
static void test_mid_from_tmsi(void)
{
static const uint8_t res[] = { 0x17, 0x05, 0xf4, 0xaa, 0xbb, 0xcc, 0xdd };
uint32_t tmsi = 0xAABBCCDD;
uint8_t buf[3 + sizeof(uint32_t)];
printf("Simple TMSI encoding test....");
memset(&buf, 0xFE, sizeof(buf));
gsm48_generate_mid_from_tmsi(buf, tmsi);
OSMO_ASSERT(memcmp(buf, res, sizeof(res)) == 0);
printf("passed\n");
}
