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Diffstat (limited to 'openbsc/src/gprs/gprs_subscriber.c')
-rw-r--r--openbsc/src/gprs/gprs_subscriber.c131
1 files changed, 78 insertions, 53 deletions
diff --git a/openbsc/src/gprs/gprs_subscriber.c b/openbsc/src/gprs/gprs_subscriber.c
index 3467293be..71f5ff188 100644
--- a/openbsc/src/gprs/gprs_subscriber.c
+++ b/openbsc/src/gprs/gprs_subscriber.c
@@ -20,13 +20,14 @@
*
*/
+#include <osmocom/gsm/protocol/gsm_04_08_gprs.h>
+#include <osmocom/gsm/gsup.h>
#include <openbsc/gsm_subscriber.h>
#include <openbsc/gprs_gsup_client.h>
#include <openbsc/sgsn.h>
#include <openbsc/gprs_sgsn.h>
#include <openbsc/gprs_gmm.h>
-#include <openbsc/gprs_gsup_messages.h>
#include <openbsc/gprs_utils.h>
#include <openbsc/debug.h>
@@ -158,14 +159,14 @@ void gprs_subscr_cancel(struct gsm_subscriber *subscr)
}
static int gprs_subscr_tx_gsup_message(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
struct msgb *msg = gprs_gsup_msgb_alloc();
if (strlen(gsup_msg->imsi) == 0 && subscr)
strncpy(gsup_msg->imsi, subscr->imsi, sizeof(gsup_msg->imsi) - 1);
- gprs_gsup_encode(msg, gsup_msg);
+ osmo_gsup_encode(msg, gsup_msg);
LOGGSUBSCRP(LOGL_INFO, subscr,
"Sending GSUP, will send: %s\n", msgb_hexdump(msg));
@@ -179,38 +180,38 @@ static int gprs_subscr_tx_gsup_message(struct gsm_subscriber *subscr,
}
static int gprs_subscr_tx_gsup_error_reply(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_orig,
+ struct osmo_gsup_message *gsup_orig,
enum gsm48_gmm_cause cause)
{
- struct gprs_gsup_message gsup_reply = {0};
+ struct osmo_gsup_message gsup_reply = {0};
strncpy(gsup_reply.imsi, gsup_orig->imsi, sizeof(gsup_reply.imsi) - 1);
gsup_reply.cause = cause;
gsup_reply.message_type =
- GPRS_GSUP_TO_MSGT_ERROR(gsup_orig->message_type);
+ OSMO_GSUP_TO_MSGT_ERROR(gsup_orig->message_type);
return gprs_subscr_tx_gsup_message(subscr, &gsup_reply);
}
static int gprs_subscr_handle_gsup_auth_res(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
unsigned idx;
struct sgsn_subscriber_data *sdata = subscr->sgsn_data;
LOGGSUBSCRP(LOGL_INFO, subscr,
- "Got SendAuthenticationInfoResult, num_auth_tuples = %zu\n",
- gsup_msg->num_auth_tuples);
+ "Got SendAuthenticationInfoResult, num_auth_vectors = %zu\n",
+ gsup_msg->num_auth_vectors);
- if (gsup_msg->num_auth_tuples > 0) {
+ if (gsup_msg->num_auth_vectors > 0) {
memset(sdata->auth_triplets, 0, sizeof(sdata->auth_triplets));
for (idx = 0; idx < ARRAY_SIZE(sdata->auth_triplets); idx++)
sdata->auth_triplets[idx].key_seq = GSM_KEY_SEQ_INVAL;
}
- for (idx = 0; idx < gsup_msg->num_auth_tuples; idx++) {
- size_t key_seq = gsup_msg->auth_tuples[idx].key_seq;
+ for (idx = 0; idx < gsup_msg->num_auth_vectors; idx++) {
+ size_t key_seq = idx;
LOGGSUBSCRP(LOGL_DEBUG, subscr,
"Adding auth tuple, cksn = %zu\n", key_seq);
if (key_seq >= ARRAY_SIZE(sdata->auth_triplets)) {
@@ -219,7 +220,8 @@ static int gprs_subscr_handle_gsup_auth_res(struct gsm_subscriber *subscr,
key_seq);
continue;
}
- sdata->auth_triplets[key_seq] = gsup_msg->auth_tuples[idx];
+ sdata->auth_triplets[key_seq].vec = gsup_msg->auth_vectors[idx];
+ sdata->auth_triplets[key_seq].key_seq = key_seq;
}
sdata->auth_triplets_updated = 1;
@@ -259,7 +261,7 @@ static struct sgsn_subscriber_pdp_data *gprs_subscr_pdp_data_get_by_id(
static void gprs_subscr_gsup_insert_data(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
struct sgsn_subscriber_data *sdata = subscr->sgsn_data;
unsigned idx;
@@ -296,7 +298,7 @@ static void gprs_subscr_gsup_insert_data(struct gsm_subscriber *subscr,
}
for (idx = 0; idx < gsup_msg->num_pdp_infos; idx++) {
- struct gprs_gsup_pdp_info *pdp_info = &gsup_msg->pdp_infos[idx];
+ struct osmo_gsup_pdp_info *pdp_info = &gsup_msg->pdp_infos[idx];
size_t ctx_id = pdp_info->context_id;
struct sgsn_subscriber_pdp_data *pdp_data;
@@ -336,8 +338,11 @@ static void gprs_subscr_gsup_insert_data(struct gsm_subscriber *subscr,
}
static int gprs_subscr_handle_gsup_upd_loc_res(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
+ /* contrary to MAP, we allow piggy-backing subscriber data onto
+ * the UPDATE LOCATION RESULT, and don't mandate the use of a
+ * separate nested INSERT SUBSCRIBER DATA transaction */
gprs_subscr_gsup_insert_data(subscr, gsup_msg);
subscr->authorized = 1;
@@ -349,6 +354,22 @@ static int gprs_subscr_handle_gsup_upd_loc_res(struct gsm_subscriber *subscr,
return 0;
}
+static int gprs_subscr_handle_gsup_isd_req(struct gsm_subscriber *subscr,
+ struct osmo_gsup_message *gsup_msg)
+{
+ struct osmo_gsup_message gsup_reply = {0};
+
+ gprs_subscr_gsup_insert_data(subscr, gsup_msg);
+
+ subscr->authorized = 1;
+ subscr->sgsn_data->error_cause = SGSN_ERROR_CAUSE_NONE;
+ subscr->flags |= GPRS_SUBSCRIBER_ENABLE_PURGE;
+ gprs_subscr_update(subscr);
+
+ gsup_reply.message_type = OSMO_GSUP_MSGT_INSERT_DATA_RESULT;
+ return gprs_subscr_tx_gsup_message(subscr, &gsup_reply);
+}
+
static int check_cause(int cause)
{
switch (cause) {
@@ -366,7 +387,7 @@ static int check_cause(int cause)
}
static int gprs_subscr_handle_gsup_auth_err(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
unsigned idx;
struct sgsn_subscriber_data *sdata = subscr->sgsn_data;
@@ -419,7 +440,7 @@ static int gprs_subscr_handle_gsup_auth_err(struct gsm_subscriber *subscr,
}
static int gprs_subscr_handle_gsup_upd_loc_err(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
int cause_err;
@@ -465,9 +486,9 @@ static int gprs_subscr_handle_gsup_upd_loc_err(struct gsm_subscriber *subscr,
}
static int gprs_subscr_handle_gsup_purge_no_subscr(
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
- if (GPRS_GSUP_IS_MSGT_ERROR(gsup_msg->message_type)) {
+ if (OSMO_GSUP_IS_MSGT_ERROR(gsup_msg->message_type)) {
LOGGSUPP(LOGL_NOTICE, gsup_msg,
"Purge MS has failed with cause '%s' (%d)\n",
get_value_string(gsm48_gmm_cause_names, gsup_msg->cause),
@@ -480,7 +501,7 @@ static int gprs_subscr_handle_gsup_purge_no_subscr(
}
static int gprs_subscr_handle_gsup_purge_res(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
LOGGSUBSCRP(LOGL_INFO, subscr, "Completing purge MS\n");
@@ -492,7 +513,7 @@ static int gprs_subscr_handle_gsup_purge_res(struct gsm_subscriber *subscr,
}
static int gprs_subscr_handle_gsup_purge_err(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
LOGGSUBSCRP(LOGL_NOTICE, subscr,
"Purge MS has failed with cause '%s' (%d)\n",
@@ -525,17 +546,17 @@ static int gprs_subscr_handle_gsup_purge_err(struct gsm_subscriber *subscr,
}
static int gprs_subscr_handle_loc_cancel_req(struct gsm_subscriber *subscr,
- struct gprs_gsup_message *gsup_msg)
+ struct osmo_gsup_message *gsup_msg)
{
- struct gprs_gsup_message gsup_reply = {0};
+ struct osmo_gsup_message gsup_reply = {0};
int is_update_procedure = !gsup_msg->cancel_type ||
- gsup_msg->cancel_type == GPRS_GSUP_CANCEL_TYPE_UPDATE;
+ gsup_msg->cancel_type == OSMO_GSUP_CANCEL_TYPE_UPDATE;
LOGGSUBSCRP(LOGL_INFO, subscr, "Cancelling MS subscriber (%s)\n",
is_update_procedure ?
"update procedure" : "subscription withdraw");
- gsup_reply.message_type = GPRS_GSUP_MSGT_LOCATION_CANCEL_RESULT;
+ gsup_reply.message_type = OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT;
gprs_subscr_tx_gsup_message(subscr, &gsup_reply);
if (is_update_procedure)
@@ -552,16 +573,16 @@ static int gprs_subscr_handle_loc_cancel_req(struct gsm_subscriber *subscr,
return 0;
}
-static int gprs_subscr_handle_unknown_imsi(struct gprs_gsup_message *gsup_msg)
+static int gprs_subscr_handle_unknown_imsi(struct osmo_gsup_message *gsup_msg)
{
- if (GPRS_GSUP_IS_MSGT_REQUEST(gsup_msg->message_type)) {
+ if (OSMO_GSUP_IS_MSGT_REQUEST(gsup_msg->message_type)) {
gprs_subscr_tx_gsup_error_reply(NULL, gsup_msg,
GMM_CAUSE_IMSI_UNKNOWN);
LOGP(DGPRS, LOGL_NOTICE,
"Unknown IMSI %s, discarding GSUP request "
"of type 0x%02x\n",
gsup_msg->imsi, gsup_msg->message_type);
- } else if (GPRS_GSUP_IS_MSGT_ERROR(gsup_msg->message_type)) {
+ } else if (OSMO_GSUP_IS_MSGT_ERROR(gsup_msg->message_type)) {
LOGP(DGPRS, LOGL_NOTICE,
"Unknown IMSI %s, discarding GSUP error "
"of type 0x%02x, cause '%s' (%d)\n",
@@ -584,10 +605,10 @@ int gprs_subscr_rx_gsup_message(struct msgb *msg)
size_t data_len = msgb_l2len(msg);
int rc = 0;
- struct gprs_gsup_message gsup_msg = {0};
+ struct osmo_gsup_message gsup_msg = {0};
struct gsm_subscriber *subscr;
- rc = gprs_gsup_decode(data, data_len, &gsup_msg);
+ rc = osmo_gsup_decode(data, data_len, &gsup_msg);
if (rc < 0) {
LOGP(DGPRS, LOGL_ERROR,
"decoding GSUP message fails with error '%s' (%d)\n",
@@ -598,21 +619,21 @@ int gprs_subscr_rx_gsup_message(struct msgb *msg)
if (!gsup_msg.imsi[0]) {
LOGP(DGPRS, LOGL_ERROR, "Missing IMSI in GSUP message\n");
- if (GPRS_GSUP_IS_MSGT_REQUEST(gsup_msg.message_type))
+ if (OSMO_GSUP_IS_MSGT_REQUEST(gsup_msg.message_type))
gprs_subscr_tx_gsup_error_reply(NULL, &gsup_msg,
GMM_CAUSE_INV_MAND_INFO);
return -GMM_CAUSE_INV_MAND_INFO;
}
- if (!gsup_msg.cause && GPRS_GSUP_IS_MSGT_ERROR(gsup_msg.message_type))
+ if (!gsup_msg.cause && OSMO_GSUP_IS_MSGT_ERROR(gsup_msg.message_type))
gsup_msg.cause = GMM_CAUSE_NET_FAIL;
subscr = gprs_subscr_get_by_imsi(gsup_msg.imsi);
if (!subscr) {
switch (gsup_msg.message_type) {
- case GPRS_GSUP_MSGT_PURGE_MS_RESULT:
- case GPRS_GSUP_MSGT_PURGE_MS_ERROR:
+ case OSMO_GSUP_MSGT_PURGE_MS_RESULT:
+ case OSMO_GSUP_MSGT_PURGE_MS_ERROR:
return gprs_subscr_handle_gsup_purge_no_subscr(&gsup_msg);
default:
return gprs_subscr_handle_unknown_imsi(&gsup_msg);
@@ -623,36 +644,39 @@ int gprs_subscr_rx_gsup_message(struct msgb *msg)
"Received GSUP message of type 0x%02x\n", gsup_msg.message_type);
switch (gsup_msg.message_type) {
- case GPRS_GSUP_MSGT_LOCATION_CANCEL_REQUEST:
+ case OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST:
rc = gprs_subscr_handle_loc_cancel_req(subscr, &gsup_msg);
break;
- case GPRS_GSUP_MSGT_SEND_AUTH_INFO_RESULT:
+ case OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT:
rc = gprs_subscr_handle_gsup_auth_res(subscr, &gsup_msg);
break;
- case GPRS_GSUP_MSGT_SEND_AUTH_INFO_ERROR:
+ case OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR:
rc = gprs_subscr_handle_gsup_auth_err(subscr, &gsup_msg);
break;
- case GPRS_GSUP_MSGT_UPDATE_LOCATION_RESULT:
+ case OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT:
rc = gprs_subscr_handle_gsup_upd_loc_res(subscr, &gsup_msg);
break;
- case GPRS_GSUP_MSGT_UPDATE_LOCATION_ERROR:
+ case OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR:
rc = gprs_subscr_handle_gsup_upd_loc_err(subscr, &gsup_msg);
break;
- case GPRS_GSUP_MSGT_PURGE_MS_ERROR:
+ case OSMO_GSUP_MSGT_PURGE_MS_ERROR:
rc = gprs_subscr_handle_gsup_purge_err(subscr, &gsup_msg);
break;
- case GPRS_GSUP_MSGT_PURGE_MS_RESULT:
+ case OSMO_GSUP_MSGT_PURGE_MS_RESULT:
rc = gprs_subscr_handle_gsup_purge_res(subscr, &gsup_msg);
break;
- case GPRS_GSUP_MSGT_INSERT_DATA_REQUEST:
- case GPRS_GSUP_MSGT_DELETE_DATA_REQUEST:
+ case OSMO_GSUP_MSGT_INSERT_DATA_REQUEST:
+ rc = gprs_subscr_handle_gsup_isd_req(subscr, &gsup_msg);
+ break;
+
+ case OSMO_GSUP_MSGT_DELETE_DATA_REQUEST:
LOGGSUBSCRP(LOGL_ERROR, subscr,
"Rx GSUP message type %d not yet implemented\n",
gsup_msg.message_type);
@@ -665,7 +689,7 @@ int gprs_subscr_rx_gsup_message(struct msgb *msg)
LOGGSUBSCRP(LOGL_ERROR, subscr,
"Rx GSUP message type %d not valid at SGSN\n",
gsup_msg.message_type);
- if (GPRS_GSUP_IS_MSGT_REQUEST(gsup_msg.message_type))
+ if (OSMO_GSUP_IS_MSGT_REQUEST(gsup_msg.message_type))
gprs_subscr_tx_gsup_error_reply(
subscr, &gsup_msg, GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL);
rc = -GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL;
@@ -680,11 +704,11 @@ int gprs_subscr_rx_gsup_message(struct msgb *msg)
int gprs_subscr_purge(struct gsm_subscriber *subscr)
{
struct sgsn_subscriber_data *sdata = subscr->sgsn_data;
- struct gprs_gsup_message gsup_msg = {0};
+ struct osmo_gsup_message gsup_msg = {0};
LOGGSUBSCRP(LOGL_INFO, subscr, "purging MS subscriber\n");
- gsup_msg.message_type = GPRS_GSUP_MSGT_PURGE_MS_REQUEST;
+ gsup_msg.message_type = OSMO_GSUP_MSGT_PURGE_MS_REQUEST;
/* Provide the HLR number in case it is known */
gsup_msg.hlr_enc_len = sdata->hlr_len;
@@ -695,23 +719,23 @@ int gprs_subscr_purge(struct gsm_subscriber *subscr)
int gprs_subscr_query_auth_info(struct gsm_subscriber *subscr)
{
- struct gprs_gsup_message gsup_msg = {0};
+ struct osmo_gsup_message gsup_msg = {0};
LOGGSUBSCRP(LOGL_INFO, subscr,
"subscriber auth info is not available\n");
- gsup_msg.message_type = GPRS_GSUP_MSGT_SEND_AUTH_INFO_REQUEST;
+ gsup_msg.message_type = OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST;
return gprs_subscr_tx_gsup_message(subscr, &gsup_msg);
}
int gprs_subscr_location_update(struct gsm_subscriber *subscr)
{
- struct gprs_gsup_message gsup_msg = {0};
+ struct osmo_gsup_message gsup_msg = {0};
LOGGSUBSCRP(LOGL_INFO, subscr,
"subscriber data is not available\n");
- gsup_msg.message_type = GPRS_GSUP_MSGT_UPDATE_LOCATION_REQUEST;
+ gsup_msg.message_type = OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST;
return gprs_subscr_tx_gsup_message(subscr, &gsup_msg);
}
@@ -755,8 +779,9 @@ struct gsm_subscriber *gprs_subscr_get_or_create_by_mmctx(struct sgsn_mm_ctx *mm
}
if (strcpy(subscr->equipment.imei, mmctx->imei) != 0) {
- strncpy(subscr->equipment.imei, mmctx->imei, GSM_IMEI_LENGTH-1);
- subscr->equipment.imei[GSM_IMEI_LENGTH-1] = 0;
+ strncpy(subscr->equipment.imei, mmctx->imei,
+ sizeof(subscr->equipment.imei)-1);
+ subscr->equipment.imei[sizeof(subscr->equipment.imei)-1] = 0;
}
if (subscr->lac != mmctx->ra.lac)