Change in ...osmo-msc[master]: gsup_client_mux_tx_error_reply(): fix: do not omit session IEs

[laforge]

laforge has submitted this change and it was merged. ( https://gerrit.osmocom.org/c/osmo-msc/+/14453 )

Change subject: gsup_client_mux_tx_error_reply(): fix: do not omit session IEs
......................................................................

gsup_client_mux_tx_error_reply(): fix: do not omit session IEs

For SS/USSD, it's important to have both session state and ID IEs.
Found using the new TC_mt_ussd_for_unknown_subscr test case.

Change-Id: I57317a7b8036d1ffd36e2021efc146db4633da84
Related: (TTCN-3) Id35cd3ec15d1bab15260312d7bbb41e2d10349fe
Related: OS#2931
---
M src/libmsc/gsup_client_mux.c
1 file changed, 6 insertions(+), 0 deletions(-)

Approvals:
  laforge: Looks good to me, approved
  Jenkins Builder: Verified



diff --git a/src/libmsc/gsup_client_mux.c b/src/libmsc/gsup_client_mux.c
index 292c2a9..8c80a6b 100644
--- a/src/libmsc/gsup_client_mux.c
+++ b/src/libmsc/gsup_client_mux.c
@@ -157,6 +157,12 @@
 
 	OSMO_STRLCPY_ARRAY(gsup_reply.imsi, gsup_orig->imsi);
 
+	/* For SS/USSD, it's important to keep both session state and ID IEs */
+	if (gsup_orig->session_state != OSMO_GSUP_SESSION_STATE_NONE) {
+		gsup_reply.session_state = OSMO_GSUP_SESSION_STATE_END;
+		gsup_reply.session_id = gsup_orig->session_id;
+	}
+
 	if (osmo_gsup_client_enc_send(gcm->gsup_client, &gsup_reply))
 		LOGP(DLGSUP, LOGL_ERROR, "Failed to send Error reply (imsi=%s)\n",
 		     osmo_quote_str(gsup_orig->imsi, -1));

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Gerrit-Project: osmo-msc
Gerrit-Branch: master
Gerrit-Change-Id: I57317a7b8036d1ffd36e2021efc146db4633da84
Gerrit-Change-Number: 14453
Gerrit-PatchSet: 3
Gerrit-Owner: fixeria <axilirator at gmail.com>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge at gnumonks.org>
Gerrit-MessageType: merged
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