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-rw-r--r--TODO-RELEASE1
-rw-r--r--include/osmocom/gsm/gsup.h11
-rw-r--r--src/gsm/gsup.c15
-rw-r--r--tests/gsup/gsup_test.c47
-rw-r--r--tests/gsup/gsup_test.err10
-rw-r--r--tests/gsup/gsup_test.ok4
6 files changed, 87 insertions, 1 deletions
diff --git a/TODO-RELEASE b/TODO-RELEASE
index d9848136..7b225cc4 100644
--- a/TODO-RELEASE
+++ b/TODO-RELEASE
@@ -9,3 +9,4 @@
#library what description / commit summary line
gsup gsup.h the 'osmo_gsup_message' struct extended with
session information => ABI changed
+ SS/USSD information => ABI changed
diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h
index 5f456991..dd274934 100644
--- a/include/osmocom/gsm/gsup.h
+++ b/include/osmocom/gsm/gsup.h
@@ -85,6 +85,9 @@ enum osmo_gsup_iei {
OSMO_GSUP_SESSION_ID_IE = 0x30,
OSMO_GSUP_SESSION_STATE_IE = 0x31,
+
+ /*! Supplementary Services payload */
+ OSMO_GSUP_SS_INFO_IE = 0x35,
};
/*! GSUP message type */
@@ -114,6 +117,10 @@ enum osmo_gsup_message_type {
OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST = 0b00011100,
OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR = 0b00011101,
OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT = 0b00011110,
+
+ OSMO_GSUP_MSGT_PROC_SS_REQUEST = 0b00100000,
+ OSMO_GSUP_MSGT_PROC_SS_ERROR = 0b00100001,
+ OSMO_GSUP_MSGT_PROC_SS_RESULT = 0b00100010,
};
#define OSMO_GSUP_IS_MSGT_REQUEST(msgt) (((msgt) & 0b00000011) == 0b00)
@@ -197,6 +204,10 @@ struct osmo_gsup_message {
/*! Unique session identifier and origination flag.
* Encoded only when \ref session_state != 0x00 */
uint32_t session_id;
+
+ /*! ASN.1 encoded MAP payload for Supplementary Services */
+ uint8_t *ss_info;
+ size_t ss_info_len;
};
int osmo_gsup_decode(const uint8_t *data, size_t data_len,
diff --git a/src/gsm/gsup.c b/src/gsm/gsup.c
index 8663f449..b4b60b20 100644
--- a/src/gsm/gsup.c
+++ b/src/gsm/gsup.c
@@ -62,6 +62,11 @@ const struct value_string osmo_gsup_message_type_names[] = {
OSMO_VALUE_STRING(OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST),
OSMO_VALUE_STRING(OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR),
OSMO_VALUE_STRING(OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT),
+
+ OSMO_VALUE_STRING(OSMO_GSUP_MSGT_PROC_SS_REQUEST),
+ OSMO_VALUE_STRING(OSMO_GSUP_MSGT_PROC_SS_ERROR),
+ OSMO_VALUE_STRING(OSMO_GSUP_MSGT_PROC_SS_RESULT),
+
{ 0, NULL }
};
@@ -393,6 +398,11 @@ int osmo_gsup_decode(const uint8_t *const_data, size_t data_len,
gsup_msg->session_state = *value;
break;
+ case OSMO_GSUP_SS_INFO_IE:
+ gsup_msg->ss_info = value;
+ gsup_msg->ss_info_len = value_len;
+ break;
+
default:
LOGP(DLGSUP, LOGL_NOTICE,
"GSUP IE type %d unknown\n", iei);
@@ -580,6 +590,11 @@ int osmo_gsup_encode(struct msgb *msg, const struct osmo_gsup_message *gsup_msg)
msgb_tlv_put(msg, OSMO_GSUP_SESSION_STATE_IE, sizeof(u8), &u8);
}
+ if (gsup_msg->ss_info) {
+ msgb_tlv_put(msg, OSMO_GSUP_SS_INFO_IE,
+ gsup_msg->ss_info_len, gsup_msg->ss_info);
+ }
+
return 0;
}
diff --git a/tests/gsup/gsup_test.c b/tests/gsup/gsup_test.c
index 6ead7d28..9712d77b 100644
--- a/tests/gsup/gsup_test.c
+++ b/tests/gsup/gsup_test.c
@@ -180,6 +180,43 @@ static void test_gsup_messages_dec_enc(void)
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 @@ static void test_gsup_messages_dec_enc(void)
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 @@ static void test_gsup_messages_dec_enc(void)
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;
diff --git a/tests/gsup/gsup_test.err b/tests/gsup/gsup_test.err
index 5c010e6c..ac71ac24 100644
--- a/tests/gsup/gsup_test.err
+++ b/tests/gsup/gsup_test.err
@@ -43,6 +43,12 @@
generated message: 2b 01 08 21 43 65 87 09 21 43 f5 30 04 de ad be ef 31 01 01
original message: 2b 01 08 21 43 65 87 09 21 43 f5 30 04 de ad be ef 31 01 01
IMSI: 123456789012345
+ generated message: 20 01 08 21 43 65 87 09 21 43 f5 30 04 de ad be ef 31 01 01 35 14 a1 12 02 01 01 02 01 3b 30 0a 04 01 0f 04 05 aa 18 0c 36 02
+ original message: 20 01 08 21 43 65 87 09 21 43 f5 30 04 de ad be ef 31 01 01 35 14 a1 12 02 01 01 02 01 3b 30 0a 04 01 0f 04 05 aa 18 0c 36 02
+ IMSI: 123456789012345
+ generated message: 22 01 08 21 43 65 87 09 21 43 f5 30 04 de ad be ef 31 01 03 35 08 a3 06 02 01 01 02 01 47
+ original message: 22 01 08 21 43 65 87 09 21 43 f5 30 04 de ad be ef 31 01 03 35 08 a3 06 02 01 01 02 01 47
+ IMSI: 123456789012345
message 0: tested 11 truncations, 11 parse failures
message 1: tested 14 truncations, 13 parse failures
message 2: tested 83 truncations, 81 parse failures
@@ -58,6 +64,8 @@
message 12: tested 211 truncations, 209 parse failures
message 13: tested 45 truncations, 43 parse failures
message 14: tested 20 truncations, 18 parse failures
+ message 15: tested 42 truncations, 39 parse failures
+ message 16: tested 30 truncations, 27 parse failures
DLGSUP Stopping DLGSUP logging
message 0: tested 2816 modifications, 510 parse failures
message 1: tested 3584 modifications, 768 parse failures
@@ -74,3 +82,5 @@ DLGSUP Stopping DLGSUP logging
message 12: tested 54016 modifications, 4622 parse failures
message 13: tested 11520 modifications, 1026 parse failures
message 14: tested 5120 modifications, 1026 parse failures
+ message 15: tested 10752 modifications, 1256 parse failures
+ message 16: tested 7680 modifications, 1265 parse failures
diff --git a/tests/gsup/gsup_test.ok b/tests/gsup/gsup_test.ok
index 1f599025..d63dd2d6 100644
--- a/tests/gsup/gsup_test.ok
+++ b/tests/gsup/gsup_test.ok
@@ -29,4 +29,8 @@ Test GSUP message decoding/encoding
Send Authentication Info Request with AUTS and RAND (UMTS) OK
Testing Dummy message with session IEs
Dummy message with session IEs OK
+ Testing SS/USSD processUnstructuredSS-Request / Invoke
+ SS/USSD processUnstructuredSS-Request / Invoke OK
+ Testing SS/USSD processUnstructuredSS-Request / ReturnResult
+ SS/USSD processUnstructuredSS-Request / ReturnResult OK
Done.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 10:22:29 +0000