openbsc.git branch jerlbeck/wip/gprs-patching updated. 0.13.0-793-gb923bef

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http://cgit.osmocom.org/openbsc/commit/?id=b923befdec2444b5a0aba16832926a345b17e98f

commit b923befdec2444b5a0aba16832926a345b17e98f
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Thu Dec 11 15:14:14 2014 +0100

    sgsn/doc: Add protocol specification for remote subscriber update
    
    This is the first version of the specification for the GPRS
    Subscriber Update Protocol.
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=31eede3bbae06304351a29e401d5b4c8da70336d

commit 31eede3bbae06304351a29e401d5b4c8da70336d
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Thu Dec 11 12:05:29 2014 +0100

    gprs: Add gprs_shift_tlv function
    
    This function is similar to gprs_match_tlv with the exception, that
    the tag is not compared but returned in *tag instead.
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=4d0c25c7630718384776a434b8851d5a0bfc792a

commit 4d0c25c7630718384776a434b8851d5a0bfc792a
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Thu Dec 11 11:01:46 2014 +0100

    gprs: Move TLV parser functions to gprs_utils.c and rename them
    
    Currently the parser functions for single information elements are
    defined within gprs_gb_parse.c and not exported explicitely. In
    addition they are named like libosmocore's TLV parser functions and
    do not have a proper name prefix. Since it is planned to use them for
    other protocols, they need to be globally accessible.
    
    This patch moves them to gprs_utils.c and renames them.
    
    The new names are:
        lv_shift             -> gprs_shift_lv
        v_fixed_shift        -> gprs_shift_v_fixed
        lv_shift             -> gprs_shift_lv
        v_fixed_shift        -> gprs_shift_v_fixed
    
    In the long term, these functions should be moved to libosmocore (and
    renamed again).
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=c2bfd9377f4fd0098e94e19d88e38e28c8d9538b

commit c2bfd9377f4fd0098e94e19d88e38e28c8d9538b
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Fri Nov 28 14:55:25 2014 +0100

    sgsn: Work on 2 phase authorization (WIP)
    
    This implements the MAP way of subscriber validation when the MS
    tries an Attach Request:
      1. perform authentication (optionally invoke the sendAuthInfo
      procedure), starts the AuthAndCiph procedure
      2. perform update location
      3. insert subscriber data
      4. finish the update location
      5. Attach Accept / Attach Reject
    
    This is currently accessible via the VTY interface.
    
    TODO:
      - Apply this to (periodic) RA Update Req
      - Delete Subscriber Data
      - Improve on procedure collisions (repeated Attach Req is sometimes
        not handled properly)
      - PDP info
      - Commit cleanup
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=f805ee316c5ca21aa0ea2f3a9177411ca5a6de68

commit f805ee316c5ca21aa0ea2f3a9177411ca5a6de68
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Mon Dec 8 15:52:00 2014 +0100

    sgsn: Add support for authentication triplets (TODO)
    
    TODO:
      - commit message
      - tests
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=243bc83c0e1e109e99d16d7c0f950609c6825a39

commit 243bc83c0e1e109e99d16d7c0f950609c6825a39
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Tue Sep 30 13:53:26 2014 +0200

    sgsn: Added TODOs (TODO)
    
    TODO:
      - fix and remove TODOs
      - add test cases for Detach(reattach)
      - add test cases for PDP context deletion (OW#1311)
      - add test cases for Cancel pending timer in sgsn_mm_ctx_free
      - remove this commit
    
    Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=cf0c9486fe10830924b22bb50e9f172a1f363eac

commit cf0c9486fe10830924b22bb50e9f172a1f363eac
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date:   Fri Oct 17 10:08:02 2014 +0200

    sgsn: Do not die in _bssgp_tx_dl_ud on TLLI mismatch (TODO)
    
    Currently an OSMO_ASSERT fails, if the message's and the mmctx's
    TLLIs do not match.
    
    This commit turns the assertion into an ERROR log message and uses
    the default values for IMSI, DRX, and RA CAP instead of the MM
    context values in this case.
    
    TODO:
      - find the real source for the problem
      - add test cases derived from what is being described in the ticket
    
    Ticket: OW#1322
    Sponsored-by: On-Waves ehf

-----------------------------------------------------------------------

Summary of changes:
 openbsc/doc/sgsn-remote-protocol.txt  | 376 ++++++++++++++++++++++++++++++++++
 openbsc/include/openbsc/gprs_utils.h  |  12 ++
 openbsc/src/gprs/gprs_gb_parse.c      | 172 +++-------------
 openbsc/src/gprs/gprs_utils.c         | 135 ++++++++++++
 openbsc/tests/gbproxy/gbproxy_test.c  | 236 ---------------------
 openbsc/tests/gbproxy/gbproxy_test.ok |   1 -
 openbsc/tests/gprs/gprs_test.c        | 241 ++++++++++++++++++++++
 openbsc/tests/gprs/gprs_test.ok       |   1 +
 8 files changed, 793 insertions(+), 381 deletions(-)
 create mode 100644 openbsc/doc/sgsn-remote-protocol.txt


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