Change in libosmocore[master]: return error to sender upon bssgp_tlv_parse() failure

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Harald Welte gerrit-no-reply at lists.osmocom.org
Mon Jun 25 11:58:39 UTC 2018


Harald Welte has submitted this change and it was merged. ( https://gerrit.osmocom.org/9730 )

Change subject: return error to sender upon bssgp_tlv_parse() failure
......................................................................

return error to sender upon bssgp_tlv_parse() failure

Return "invalid mandatory information" error status to
the sender in case bssgp_tlv_parse() failed.
To avoid loops, do not respond with an error status to
STATUS PDUs which failed parsing.

Change-Id: If73719b75a94d6742bdefc9b6572525cb00a96ee
Related: OS#3178
---
M src/gb/gprs_bssgp.c
1 file changed, 2 insertions(+), 0 deletions(-)

Approvals:
  Jenkins Builder: Verified
  Harald Welte: Looks good to me, approved



diff --git a/src/gb/gprs_bssgp.c b/src/gb/gprs_bssgp.c
index 1445a56..5dfce16 100644
--- a/src/gb/gprs_bssgp.c
+++ b/src/gb/gprs_bssgp.c
@@ -1052,6 +1052,8 @@
 	if (rc < 0) {
 		LOGP(DBSSGP, LOGL_ERROR, "Failed to parse BSSGP %s message. Invalid message was: %s\n",
 		     bssgp_pdu_str(pdu_type), msgb_hexdump(msg));
+		if (pdu_type != BSSGP_PDUT_STATUS)
+			return bssgp_tx_status(BSSGP_CAUSE_INV_MAND_INF, NULL, msg);
 		return rc;
 	}
 

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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: If73719b75a94d6742bdefc9b6572525cb00a96ee
Gerrit-Change-Number: 9730
Gerrit-PatchSet: 3
Gerrit-Owner: Stefan Sperling <ssperling at sysmocom.de>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Stefan Sperling <ssperling at sysmocom.de>
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