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hnb-test: add messages leading to Location Update Accept 

But note, authentication is not there yet; the CSCN should initiate that.
This commit is contained in:
Neels Hofmeyr 2016-02-29 09:32:00 +01:00
parent 5c1cc8cce4
commit ae93712977
1 changed files with 81 additions and 8 deletions
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89
src/tests/hnb-test.c
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@ -41,6 +41,8 @@
#include <osmocom/core/msgb.h>
#include <osmocom/core/write_queue.h>
#include <osmocom/netif/stream.h>
#include <osmocom/gsm/tlv.h>
#include <osmocom/gsm/gsm48.h>
#include <osmocom/vty/telnet_interface.h>
#include <osmocom/vty/logging.h>
@ -196,25 +198,88 @@ static struct msgb *gen_nas_id_resp()
return ranap_new_msg_dt(0, id_resp, sizeof(id_resp));
}
static int hnb_test_nas_tx_id_resp(struct hnb_test *hnb)
static struct msgb *gen_nas_tmsi_realloc_compl()
{
uint8_t id_resp[] = {
GSM48_PDISC_MM,
GSM48_MT_MM_TMSI_REALL_COMPL,
};
return ranap_new_msg_dt(0, id_resp, sizeof(id_resp));
}
static int hnb_test_nas_tx_dt(struct hnb_test *hnb, struct msgb *txm)
{
struct hnbtest_chan *chan;
struct msgb *txm, *rua;
struct msgb *rua;
chan = hnb->cs.chan;
if (!chan) {
printf("hnb_test_nas_tx_id_resp(): No CS channel established yet.\n");
printf("hnb_test_nas_tx_tmsi_realloc_compl(): No CS channel established yet.\n");
return -1;
}
txm = gen_nas_id_resp();
rua = rua_new_dt(chan->is_ps, chan->conn_id, txm);
osmo_wqueue_enqueue(&g_hnb_test.wqueue, rua);
return 0;
}
void hnb_test_nas_rx_lu_accept(struct msgb *rxm)
{
printf(" :D Location Update Accept :D\n");
struct gsm48_hdr *gh;
struct gsm48_loc_area_id *lai;
gh = (struct gsm48_hdr *)msgb_l3(rxm);
lai = (struct gsm48_loc_area_id *)&gh->data[0];
uint16_t mcc, mnc, lac;
gsm48_decode_lai(lai, &mcc, &mnc, &lac);
printf("LU: mcc %hd mnc %hd lac %hd\n",
mcc, mnc, lac);
}
void hnb_test_nas_rx_mm_info(struct msgb *rxm)
{
printf(" :) MM Info :)\n");
struct gsm48_hdr *gh;
struct tlv_parsed tp;
int parse_res;
int length = msgb_l3len(rxm);
if (length < sizeof(*gh)) {
printf("GSM48 header does not fit.\n");
return;
}
gh = (struct gsm48_hdr *) msgb_l3(rxm);
length -= (const char *)&gh->data[0] - (const char *)gh;
parse_res = tlv_parse(&tp, &gsm48_mm_att_tlvdef, &gh->data[0], length, 0, 0);
if (parse_res <= 0) {
printf("Error parsing MM Info message: %d\n", parse_res);
return;
}
if (TLVP_PRESENT(&tp, GSM48_IE_NAME_SHORT)) {
char name[128] = {0};
gsm_7bit_decode_n(name, 127,
TLVP_VAL(&tp, GSM48_IE_NAME_SHORT)+1,
(TLVP_LEN(&tp, GSM48_IE_NAME_SHORT)-1)*8/7);
printf("Info: Short Network Name: %s\n", name);
}
if (TLVP_PRESENT(&tp, GSM48_IE_NAME_LONG)) {
char name[128] = {0};
gsm_7bit_decode_n(name, 127,
TLVP_VAL(&tp, GSM48_IE_NAME_LONG)+1,
(TLVP_LEN(&tp, GSM48_IE_NAME_LONG)-1)*8/7);
printf("Info: Long Network Name: %s\n", name);
}
return;
}
static int hnb_test_nas_rx_mm(struct hnb_test *hnb, struct msgb *rxm)
{
struct hnbtest_chan *chan;
@ -232,10 +297,18 @@ static int hnb_test_nas_rx_mm(struct hnb_test *hnb, struct msgb *rxm)
switch (msg_type) {
case GSM48_MT_MM_ID_REQ:
return hnb_test_nas_tx_dt(hnb, gen_nas_id_resp());
case GSM48_MT_MM_LOC_UPD_ACCEPT:
hnb_test_nas_rx_lu_accept(rxm);
return hnb_test_nas_tx_dt(hnb, gen_nas_tmsi_realloc_compl());
case GSM48_MT_MM_INFO:
hnb_test_nas_rx_mm_info(rxm);
return 0;
return hnb_test_nas_tx_id_resp(hnb);
default:
printf("04.08 message type not handled by hnb-test: %d\n",
printf("04.08 message type not handled by hnb-test: 0x%x\n",
msg_type);
return 0;
}