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Bug #2954

No GMM ATTACH REJECT on GSUP SendAuthInfo Error

Added by laforge 2 months ago.

Status:
New
Priority:
Normal
Assignee:
sysmocom
Category:
GSUP interface
Target version:
-
Start date:
02/17/2018
Due date:
% Done:

0%

Spec Reference:

Description

When the HLR responds with a SendAuthInfo Error during AttachRequest processing, OsmoSGSN doesn't send the expected GMM ATTACH REJECT to the MS:

Sat Feb 17 09:22:04 2018 DMM <0002> gprs_gmm.c:1271 MM(---/ffffffff) -> GMM ATTACH REQUEST MI(262420000000003) type="GPRS attach" 
Sat Feb 17 09:22:04 2018 DMM <0002> gprs_sgsn.c:237 MM(/00000000) Allocated with GEA0 cipher.
Sat Feb 17 09:22:04 2018 DLGLOBAL <001d> rate_ctr.c:218 counter group 'sgsn:mmctx' already exists for index 0, instead using index 1. This is a software bug that needs fixing.
Sat Feb 17 09:22:04 2018 DMM <0002> gprs_gmm.c:556 MM(262420000000003/c2b7f00d) <- GPRS IDENTITY REQUEST: mi_type=IMEI
Sat Feb 17 09:22:04 2018 DLLC <0012> gprs_llc_parse.c:81 LLC SAPI=1 C   U GEA0 IOV-UI=0x000000 FCS=0x612fca CMD=UI DATA 
Sat Feb 17 09:22:04 2018 DMM <0002> gprs_gmm.c:1194 MM(262420000000003/c2b7f00d) -> GMM IDENTITY RESPONSE: MI(IMEI)=499990000000003
Sat Feb 17 09:22:04 2018 DMM <0002> sgsn_auth.c:160 MM(262420000000003/c2b7f00d) Requesting authorization
Sat Feb 17 09:22:04 2018 DMM <0002> sgsn_auth.c:185 MM(262420000000003/c2b7f00d) Requesting authentication tuples
Sat Feb 17 09:22:04 2018 DMM <0002> gprs_subscriber.c:894 MM(262420000000003/c2b7f00d) Requesting subscriber authentication info
Sat Feb 17 09:22:04 2018 DGPRS <000f> gprs_subscriber.c:504 SUBSCR(262420000000003) GSUP protocol remote error, GMM cause = 'GSM authentication unacceptable' (23)

I've created SGSN_Tests.TC_attach_auth_sai_reject for this

20180216-sgsn-sai-reject.pcap (3.31 KB) laforge, 02/17/2018 08:24 AM

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