add parsing of IMSI DETACH
diff --git a/src/gsm_04_08.c b/src/gsm_04_08.c
index 9fdc104..ac9a262 100644
--- a/src/gsm_04_08.c
+++ b/src/gsm_04_08.c
@@ -510,6 +510,20 @@
schedule_timer(&lchan->loc_operation->updating_timer, 5, 0);
}
+static const char *lupd_name(u_int8_t type)
+{
+ switch (type) {
+ case GSM48_LUPD_NORMAL:
+ return "NORMAL";
+ case GSM48_LUPD_PERIODIC:
+ return "PEROIDOC";
+ case GSM48_LUPD_IMSI_ATT:
+ return "IMSI ATTACH";
+ default:
+ return "UNKNOWN";
+ }
+}
+
#define MI_SIZE 32
/* Chapter 9.2.15: Receive Location Updating Request */
static int mm_rx_loc_upd_req(struct msgb *msg)
@@ -530,7 +544,8 @@
mi_to_string(mi_string, sizeof(mi_string), lu->mi, lu->mi_len);
- DEBUGP(DMM, "LUPDREQ: mi_type=0x%02x MI(%s)\n", mi_type, mi_string);
+ DEBUGP(DMM, "LUPDREQ: mi_type=0x%02x MI(%s) type=%s ", mi_type, mi_string,
+ lupd_name(lu->type));
allocate_loc_updating_req(lchan);
@@ -562,10 +577,10 @@
case GSM_MI_TYPE_IMEI:
case GSM_MI_TYPE_IMEISV:
/* no sim card... FIXME: what to do ? */
- fprintf(stderr, "Unimplemented mobile identity type\n");
+ DEBUGP(DMM, "unimplemented mobile identity type\n");
break;
default:
- fprintf(stderr, "Unknown mobile identity type\n");
+ DEBUGP(DMM, "unknown mobile identity type\n");
break;
}
@@ -757,6 +772,7 @@
DEBUGP(DMM, "<- CM SERVICE REQUEST serv_type=0x%02x mi_type=0x%02x M(%s)\n",
req->cm_service_type, mi_type, mi_string);
+ /* FIXME: if we don't know the TMSI, inquire abit IMSI and allocate new TMSI */
if (!subscr)
return gsm48_tx_mm_serv_rej(msg->lchan,
GSM48_REJECT_IMSI_UNKNOWN_IN_HLR);
@@ -771,6 +787,47 @@
return gsm48_tx_mm_serv_ack(msg->lchan);
}
+static int gsm48_rx_mm_imsi_detach_ind(struct msgb *msg)
+{
+ struct gsm48_hdr *gh = msgb_l3(msg);
+ struct gsm48_imsi_detach_ind *idi =
+ (struct gsm48_imsi_detach_ind *) gh->data;
+ u_int8_t mi_type = idi->mi[0] & GSM_MI_TYPE_MASK;
+ char mi_string[MI_SIZE];
+ struct gsm_subscriber *subscr;
+
+ mi_to_string(mi_string, sizeof(mi_string), idi->mi, idi->mi_len);
+ DEBUGP(DMM, "IMSI DETACH INDICATION: mi_type=0x%02x MI(%s): ",
+ mi_type, mi_string);
+
+ switch (mi_type) {
+ case GSM_MI_TYPE_TMSI:
+ subscr = subscr_get_by_tmsi(mi_string);
+ break;
+ case GSM_MI_TYPE_IMSI:
+ subscr = subscr_get_by_imsi(mi_string);
+ break;
+ case GSM_MI_TYPE_IMEI:
+ case GSM_MI_TYPE_IMEISV:
+ /* no sim card... FIXME: what to do ? */
+ fprintf(stderr, "Unimplemented mobile identity type\n");
+ break;
+ default:
+ fprintf(stderr, "Unknown mobile identity type\n");
+ break;
+ }
+
+ if (subscr)
+ DEBUGP(DMM, "Subscriber: %s\n",
+ subscr->name ? subscr->name : subscr->imsi);
+ else
+ DEBUGP(DMM, "Unknown Subscriber ?!?\n");
+
+ put_lchan(msg->lchan);
+
+ return 0;
+}
+
/* Receive a GSM 04.08 Mobility Management (MM) message */
static int gsm0408_rcv_mm(struct msgb *msg)
{
@@ -789,7 +846,7 @@
rc = gsm48_rx_mm_serv_req(msg);
break;
case GSM48_MT_MM_STATUS:
- DEBUGP(DMM, "MM STATUS: FIXME parse error cond.\n");
+ DEBUGP(DMM, "STATUS: FIXME parse error cond.\n");
break;
case GSM48_MT_MM_TMSI_REALL_COMPL:
DEBUGP(DMM, "TMSI Reallocation Completed. Subscriber: %s\n",
@@ -797,11 +854,14 @@
msg->lchan->subscr->imsi :
"unknown subscriber");
break;
- case GSM48_MT_MM_CM_REEST_REQ:
- case GSM48_MT_MM_AUTH_RESP:
case GSM48_MT_MM_IMSI_DETACH_IND:
- fprintf(stderr, "Unimplemented GSM 04.08 MM msg type 0x%02x\n",
- gh->msg_type);
+ rc = gsm48_rx_mm_imsi_detach_ind(msg);
+ break;
+ case GSM48_MT_MM_CM_REEST_REQ:
+ DEBUGP(DMM, "CM REESTABLISH REQUEST: Not implemented\n");
+ break;
+ case GSM48_MT_MM_AUTH_RESP:
+ DEBUGP(DMM, "AUTHENTICATION RESPONSE: Not implemented\n");
break;
default:
fprintf(stderr, "Unknown GSM 04.08 MM msg type 0x%02x\n",