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Accelerate3g5 -- blobb » History » Version 25

blobb, 04/20/2017 05:46 PM

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h1. Accelerate3g5 -- blobb
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h2. Summary
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Trying to come up with a fuzzing interface.
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h3. Participants
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* André Boddenberg (email: dr.blobb@gmail.com)
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h2. Details
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First setting up the femtocell and understand basics of UMTS communication.  (done)
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Collecting information e.g. slides, talks, docu about fuzzing of wireless protocols. (started)
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Writing some code to craft requests and run fuzz tests against subscriber. (tbd)
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Note: first time fuzzing.
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h2. Test devices
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TD1: Samsung Galaxy S5 Mini (G800F) 
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 OS: Lineage OS (14.1/7.1.1) 
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 BB: G800FXXU1BPC3
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SIM: MicroSIM
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TD2: LG Nexus 5 (hammerhead)
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 OS: Android Marshmallow (6.0) 
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 BB: M48974A-2.0.50.2.27
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SIM: MicroSIM
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TD3: HTC One M9
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 OS: Android Lollipop (5.1)
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 BB: 01.04_U11440601_71.02.50709G_F
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SIM: NanoSIM (cutted MicroSIM)
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h2. Journal
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_2017-03-07_
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pick up package at the sysmocom office.
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having an informative conversation with Neels about jenkins.osmocom.
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_2017-03-12_
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Set up wiki page.
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Seeing femtocell on network interface and knocking ports:
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> 22/tcp    open  ssh
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> 8089/tcp  open  http
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> 8090/tcp  open  telnet
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> 10002/tcp open  documentum (needs investigation)
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Compiled source as described, but couldn't configure/launch CN successfully (yet).
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Next time trying Neels' launch script and same IP range.
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_2017-03-15_
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Reading "data sheet [overview]":http://www.ipaccess.com/uploads/wysiwyg_editor/files/2017/S8_S16-Datasheet-v1.0.pdf "data sheet [details]":https://fccid.io/pdf.php?id=1462491 about ip.access nano3G S8.
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Configuring femtocell via telnet (dry run).
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Running in HLR issue mentioned in wiki when invoking run.sh.
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_2017-04-19_
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Resolving HLR issue and set all IPs correct in *.cfg files. 
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hNodeB connects to owmo-hnbgw, but no UE is connecting to it.
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Adding SIM cards to hlr.db, after creating db successfully (thanks
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_2017-04-20_
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Corrected branches used for build e.g. vlr_3G for openbsc or old_sua (tag) for libosmo-sccp
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TD1 and TD2 successfully *connected* to the femtocell!!! *\o/*
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TD3 gets IP address but can not be called. (TODO: investigate with wireshark)
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voice calls work (TD1->TD2, TD2->TD1). 
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data is not working, though...
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h2. Conclusions
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- UE's are connecting and voice calls are working :) 
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>- network LED does not indicate whether IP has been assigned by DHCP server.
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>- umts LED does indicate whether cell is connected to hnbgw, etc pp.
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