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-rw-r--r--src/gsm/gsup.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/gsm/gsup.c b/src/gsm/gsup.c
index ad7a2a42..ef33ed08 100644
--- a/src/gsm/gsup.c
+++ b/src/gsm/gsup.c
@@ -569,6 +569,11 @@ int osmo_gsup_decode(const uint8_t *const_data, size_t data_len,
gsup_msg->cause_sm = value[0];
break;
+ case OSMO_GSUP_NUM_VECTORS_REQ_IE:
+ if (gsup_msg->message_type == OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST)
+ gsup_msg->num_auth_vectors = value[0];
+ break;
+
default:
LOGP(DLGSUP, LOGL_NOTICE,
"GSUP IE type %d unknown\n", iei);
@@ -753,12 +758,18 @@ int osmo_gsup_encode(struct msgb *msg, const struct osmo_gsup_message *gsup_msg)
}
}
- for (idx = 0; idx < gsup_msg->num_auth_vectors; idx++) {
- const struct osmo_auth_vector *auth_vector;
+ if (gsup_msg->message_type == OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST) {
+ uint8_t num = gsup_msg->num_auth_vectors;
+ if (num != 0)
+ msgb_tlv_put(msg, OSMO_GSUP_NUM_VECTORS_REQ_IE, 1, &num);
+ } else {
+ for (idx = 0; idx < gsup_msg->num_auth_vectors; idx++) {
+ const struct osmo_auth_vector *auth_vector;
- auth_vector = &gsup_msg->auth_vectors[idx];
+ auth_vector = &gsup_msg->auth_vectors[idx];
- encode_auth_info(msg, OSMO_GSUP_AUTH_TUPLE_IE, auth_vector);
+ encode_auth_info(msg, OSMO_GSUP_AUTH_TUPLE_IE, auth_vector);
+ }
}
if (gsup_msg->auts)