Change in libosmo-sccp[master]: sccp_scrc: Ensure we have not just SSN but at least OPC+SSN in Callin...

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laforge gerrit-no-reply at lists.osmocom.org
Thu May 13 20:00:39 UTC 2021


Hello Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/libosmo-sccp/+/24218

to look at the new patch set (#4).

Change subject: sccp_scrc: Ensure we have not just SSN but at least OPC+SSN in CallingParty
......................................................................

sccp_scrc: Ensure we have not just SSN but at least OPC+SSN in CallingParty

There are implementations out there which send us traffic, specifically
in this case SCMG (SST) that has only SSN in both Called and Calling
Party. This means the inbound SST message is routed correctly to the
local SCCP user of libosmo-sigtran. But when that local SCCP user
responds with inverting Called/Calling Party, the new destination again
just contains a SSN.

As a result, we don't know where to route the message (we always need a PC).

Change-Id: Id66ae960ebe3cb3b09c6dd5454f9ac9c073f46d7
Closes: OS#5146
---
M src/sccp_scrc.c
1 file changed, 23 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmo-sccp refs/changes/18/24218/4
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Gerrit-Project: libosmo-sccp
Gerrit-Branch: master
Gerrit-Change-Id: Id66ae960ebe3cb3b09c6dd5454f9ac9c073f46d7
Gerrit-Change-Number: 24218
Gerrit-PatchSet: 4
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: osmith <osmith at sysmocom.de>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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