GSUP: introduce new messages for SS/USSD payloads
In order to be able to transfer SS/USSD messages via GSUP,
this change introduces the following new message types:
- OSMO_GSUP_MSGT_PROC_SS_*,
and the following new IE:
- OSMO_GSUP_SS_INFO_IE
which represents an ASN.1 encoded MAP payload coming to/from
the mobile station 'as is', without any transcoding.
Change-Id: Ie17a78043a35fffbdd59e80fd2b2da39cce5e532
Related: OS#1597
diff --git a/tests/gsup/gsup_test.c b/tests/gsup/gsup_test.c
index 6ead7d2..9712d77 100644
--- a/tests/gsup/gsup_test.c
+++ b/tests/gsup/gsup_test.c
@@ -180,6 +180,43 @@
0x31, 0x01, 0x01,
};
+ static const uint8_t send_ussd_req[] = {
+ 0x20, /* OSMO_GSUP_MSGT_PROC_SS_REQUEST */
+ TEST_IMSI_IE,
+
+ /* Session ID and state */
+ 0x30, 0x04, 0xde, 0xad, 0xbe, 0xef,
+ 0x31, 0x01, 0x01,
+
+ /* SS/USSD information IE */
+ 0x35, 0x14,
+ /* ASN.1 encoded MAP payload */
+ 0xa1, 0x12,
+ 0x02, 0x01, /* Component: invoke */
+ 0x01, /* invokeID = 1 */
+ /* opCode: processUnstructuredSS-Request */
+ 0x02, 0x01, 0x3b, 0x30, 0x0a, 0x04, 0x01, 0x0f,
+ 0x04, 0x05, 0xaa, 0x18, 0x0c, 0x36, 0x02,
+ };
+
+ static const uint8_t send_ussd_res[] = {
+ 0x22, /* OSMO_GSUP_MSGT_PROC_SS_RESULT */
+ TEST_IMSI_IE,
+
+ /* Session ID and state */
+ 0x30, 0x04, 0xde, 0xad, 0xbe, 0xef,
+ 0x31, 0x01, 0x03,
+
+ /* SS/USSD information IE */
+ 0x35, 0x08,
+ /* ASN.1 encoded MAP payload */
+ 0xa3, 0x06,
+ 0x02, 0x01, /* Component: returnError */
+ 0x01, /* invokeID = 1 */
+ /* localValue: unknownAlphabet */
+ 0x02, 0x01, 0x47,
+ };
+
static const struct test {
char *name;
const uint8_t *data;
@@ -215,6 +252,10 @@
send_auth_info_req_auts, sizeof(send_auth_info_req_auts)},
{"Dummy message with session IEs",
dummy_session_ies, sizeof(dummy_session_ies)},
+ {"SS/USSD processUnstructuredSS-Request / Invoke",
+ send_ussd_req, sizeof(send_ussd_req)},
+ {"SS/USSD processUnstructuredSS-Request / ReturnResult",
+ send_ussd_res, sizeof(send_ussd_res)},
};
printf("Test GSUP message decoding/encoding\n");
@@ -278,7 +319,11 @@
osmo_hexdump(t->data + j, ie_end - j));
OSMO_ASSERT(j <= ie_end - 2);
- OSMO_ASSERT(t->data[j+0] <= OSMO_GSUP_SESSION_STATE_IE);
+ /**
+ * FIXME: share the maximal IE value somehow
+ * in order to avoid manual updating of this
+ */
+ OSMO_ASSERT(t->data[j+0] <= OSMO_GSUP_SS_INFO_IE);
OSMO_ASSERT(t->data[j+1] <= ie_end - j - 2);
ie_end = j;