[PATCH] openbsc[master]: transaction: reject calls from unidentified subscribers

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dexter gerrit-no-reply at lists.osmocom.org
Wed Jul 5 11:05:05 UTC 2017


Review at  https://gerrit.osmocom.org/3127

transaction: reject calls from unidentified subscribers

A valid subscriber is indespensible when allocating a new
transaction. Return NULL if no subscriber is supplied. This
will cause unidentified subscribers to be rejected.

Change-Id: Ia8739b6e329ab02c0064270d02ad1d6ee245520d
---
M openbsc/src/libmsc/transaction.c
1 file changed, 4 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/openbsc refs/changes/27/3127/1

diff --git a/openbsc/src/libmsc/transaction.c b/openbsc/src/libmsc/transaction.c
index dba4bed..f9dc1a3 100644
--- a/openbsc/src/libmsc/transaction.c
+++ b/openbsc/src/libmsc/transaction.c
@@ -70,6 +70,10 @@
 
 	DEBUGP(DCC, "subscr=%p, net=%p\n", subscr, net);
 
+	/* a valid subscriber is indispensable */
+	if (subscr == NULL)
+		return NULL;
+
 	trans = talloc_zero(tall_trans_ctx, struct gsm_trans);
 	if (!trans)
 		return NULL;

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ia8739b6e329ab02c0064270d02ad1d6ee245520d
Gerrit-PatchSet: 1
Gerrit-Project: openbsc
Gerrit-Branch: master
Gerrit-Owner: dexter <pmaier at sysmocom.de>



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