openbsc.git branch neels/cscn updated. 0.15.0-435-g99f2477

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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=99f2477653c1a1bff85cf0d5f823c4845fb46dc3

commit 99f2477653c1a1bff85cf0d5f823c4845fb46dc3
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 19:50:37 2016 +0200

    cosmetic: IuCS logging

http://cgit.osmocom.org/openbsc/commit/?id=a9791df3b90e7458d0356a486df795a1226b046a

commit a9791df3b90e7458d0356a486df795a1226b046a
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 19:49:58 2016 +0200

    add enum iu_event_type to string conversion

http://cgit.osmocom.org/openbsc/commit/?id=d9202b342c996c56a7e10dbc744e50d56a933b2c

commit d9202b342c996c56a7e10dbc744e50d56a933b2c
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 16:19:29 2016 +0200

    comments and debug log for paging response

http://cgit.osmocom.org/openbsc/commit/?id=c902bd40327643c161aefbd71bbf8c5583051f17

commit c902bd40327643c161aefbd71bbf8c5583051f17
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:59:10 2016 +0200

    msc_paging_request(): remove unused parameters
    
    The network is known from subscr; the type is not applicable after MSCSPLIT;
    cbfn and data are obsoleted by explicit subscr_rx_paging_response().

http://cgit.osmocom.org/openbsc/commit/?id=ad21c3b8e384f9dcfd6ee8becb15fe2f9d1869ba

commit ad21c3b8e384f9dcfd6ee8becb15fe2f9d1869ba
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:58:43 2016 +0200

    msc_paging_request(): make static
    
    it is never called outside of gsm_subscriber.c

http://cgit.osmocom.org/openbsc/commit/?id=28fdbdcd539004958c8ae4077ed28307edf9c747

commit 28fdbdcd539004958c8ae4077ed28307edf9c747
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Wed Apr 27 02:08:07 2016 +0200

    msc: paging: use gsm_subscriber API to add Integrity Protection for IuCS
    
    During peliminary paging response testing, I introduced some code duplication.
    Remove that and instead call the code that was there before 63b99ced83773d923
    ("add preliminary paging response handling, incomplete").
    
    By calling the gsm_subscriber API, the connection is also secured and hence
    Integrity Protection is enabled for IuCS.

http://cgit.osmocom.org/openbsc/commit/?id=903ad2e135f5d6358042e60ab0f1288ff2e1f393

commit 903ad2e135f5d6358042e60ab0f1288ff2e1f393
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 16:40:42 2016 +0200

    cosmetic: msc: handle_paging_resp() tweaks
    
    Tweak debug logging, use paging category DPAG.
    
    Change the order of arguments to make more sense in the causal relationship.

http://cgit.osmocom.org/openbsc/commit/?id=04bfcdd6c243023fa5ba351a7f481ba7bc49c23c

commit 04bfcdd6c243023fa5ba351a7f481ba7bc49c23c
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:57:53 2016 +0200

    paging: actually verify subscriber authorization
    
    Before this, any paging response would be accepted by the CN, without
    checking the database whether the subscriber is in fact authorized.
    
    The probability that a subscriber would be able to take unauthorized action
    is slim, nevertheless checking authorization status with the database should
    happen before we accept a connection.

http://cgit.osmocom.org/openbsc/commit/?id=3a9c52a5dc8a625b916193b7bea90254af0e04f1

commit 3a9c52a5dc8a625b916193b7bea90254af0e04f1
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:55:22 2016 +0200

    paging: change subscr_paging_cb() into subscr_rx_paging_response()
    
    Remove one layer of callback indirection in paging. When a paging response
    arrives, we always want to first secure the connection, thus a fixed
    subscr_rx_paging_response() function is more appropriate and avoids having
    to store a cbfn. The actual actions to be taken upon successful paging are
    of course still in callback functions stored with each subscriber.

http://cgit.osmocom.org/openbsc/commit/?id=c6580c5b2c11ca6bbc22676866c5cfe4dc36596f

commit c6580c5b2c11ca6bbc22676866c5cfe4dc36596f
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:35:07 2016 +0200

    Allow paging even though is_paging is false
    
    It doesn't really hurt to see whether we have paging responses queued for
    a given subscriber. Possibly a subscriber replied with a paging response
    later than we assumed the paging to be valid.

http://cgit.osmocom.org/openbsc/commit/?id=fb845bb1df34170f841b330ee858016bf6a09f5f

commit fb845bb1df34170f841b330ee858016bf6a09f5f
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:33:18 2016 +0200

    cosmetic: subscr_paging_dispatch() comments/indent

http://cgit.osmocom.org/openbsc/commit/?id=6f4e83beb05b7e4fd615504a7bf6a71afe15064d

commit 6f4e83beb05b7e4fd615504a7bf6a71afe15064d
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:32:32 2016 +0200

    subscr_paging_dispatch(): use conn->subscr instead of separate param

http://cgit.osmocom.org/openbsc/commit/?id=214302b306d6806605e1bec123dc97934f9f6504

commit 214302b306d6806605e1bec123dc97934f9f6504
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:31:05 2016 +0200

    cosmetic: subscr_paging_dispatch() comments/indent

http://cgit.osmocom.org/openbsc/commit/?id=defe78f1e17cf34da0e602ad1a07c0214a7a81c9

commit defe78f1e17cf34da0e602ad1a07c0214a7a81c9
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:27:26 2016 +0200

    add comments on MSCSPLIT and paging

http://cgit.osmocom.org/openbsc/commit/?id=061787878ceac939ed6b6882f4d810b53774d24b

commit 061787878ceac939ed6b6882f4d810b53774d24b
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:10:36 2016 +0200

    gsm_04_08 mscsplit: subscr_request_channel() -> subscr_request_conn()
    
    Rename subscr_request_channel() to _conn() and remove the channel_type arg.
    The "channel" is a term from closely tied MSC+BSC code, after separation we
    shall call it a "connection", i.e. over IuCS or A.
    
    The channel_type arg is already unused from a previous MSCSPLIT commit.

http://cgit.osmocom.org/openbsc/commit/?id=00007897d42232db0c29ebe543b2483311e56785

commit 00007897d42232db0c29ebe543b2483311e56785
Author: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Date:   Mon May 2 15:02:32 2016 +0200

    gsm_04_08: factor out subscr authorization check
    
    Add function subscr_authorized(), absorbing the guts of static
    authorize_subscriber() from gsm_04_08.c, except the parts specific to Location
    Updating.
    
    subscr_authorized() is a check that is to be added to validation of a paging
    response.

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

Summary of changes:
 openbsc/include/openbsc/gsm_04_08.h      |  2 +
 openbsc/include/openbsc/gsm_subscriber.h |  2 +
 openbsc/include/openbsc/iu.h             |  6 ++
 openbsc/src/libbsc/gsm_04_08_utils.c     |  1 +
 openbsc/src/libbsc/paging.c              |  6 ++
 openbsc/src/libiu/iu.c                   | 11 +++-
 openbsc/src/libmsc/gsm_04_08.c           | 94 ++------------------------------
 openbsc/src/libmsc/gsm_subscriber.c      | 29 ++++++++--
 openbsc/src/libmsc/iu_cs.c               |  2 +
 openbsc/src/libmsc/silent_call.c         |  5 +-
 openbsc/src/osmo-cscn/cscn_main.c        |  3 +-
 openbsc/src/osmo-cscn/iucs_ranap.c       |  2 +-
 12 files changed, 65 insertions(+), 98 deletions(-)


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