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_imsi(void)
{
char *imsi = "901700000004620";
uint8_t buf[10], len;
printf("Simple IMSI encoding test....");
len = gsm48_generate_mid_from_imsi(buf, imsi);
printf("passed: [%u] %s\n", len, osmo_hexdump(buf, len));
}
/*! \brief Transmit RADIO-STATUS for IMSI (10.3.5) */
int bssgp_tx_radio_status_imsi(struct bssgp_bvc_ctx *bctx, uint8_t cause,
const char *imsi)
{
struct msgb *msg = common_tx_radio_status(bctx);
uint8_t mi[10];
int imsi_len = gsm48_generate_mid_from_imsi(mi, imsi);
if (!msg)
return -ENOMEM;
/* strip the MI type and length values (2 bytes) */
if (imsi_len > 2)
msgb_tvlv_put(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2);
LOGPC(DBSSGP, LOGL_NOTICE, "IMSI=%s ", imsi);
return common_tx_radio_status2(msg, cause);
}
