openbsc.git branch jerlbeck/wip/gprs-patching updated. 0.13.0-784-g70c53a6 - osmocom-commitlog

3 Dec 2014


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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=70c53a622635f1770b2eef375c260ac73...
commit 70c53a622635f1770b2eef375c260ac731d40780
Author: Jacob Erlbeck jerlbeck@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=674fe423e6e9eb11bc787a5976943554d...
commit 674fe423e6e9eb11bc787a5976943554d3f0fb82
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Dec 2 11:35:41 2014 +0100
gsn: Auth and Ciph (WIP)
TODO:
     - split this commit into several smaller ones (fixes, integration,
       triplet management, ...)
     - tests
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=5d97e6bf73833e024ee84cb348a2680c3...
commit 5d97e6bf73833e024ee84cb348a2680c3ecc112b
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Dec 2 11:28:38 2014 +0100
sgsn: Put SGSN related subscriber data into separate struct (TODO)
TODO:
      - commit message
      - remove _alloc entirely (also in 'Add gprs_subscriber.c' patch)
      - also move mm into this struct
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=9c98d0a61cf5ca78e21031c5bcad86b77...
commit 9c98d0a61cf5ca78e21031c5bcad86b778a054cb
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Dec 2 09:47:26 2014 +0100
sgsn: Integrate Auth & Ciph into gsm48_gmm_authorize
Currently the Authentication and Ciphering procedure is not yet
    invoked by the GMM layer.
This patch starts this procedure from within gsm48_gmm_authorize when
    the mm->auth_state has been set to SGSN_AUTH_AUTHENTICATE and a call
    to gsm0408_gprs_authenticate has been issued directly or indirectly
    by the call to sgsn_auth_request.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=c973693742619eaf999f56c5e3a9c08c1...
commit c973693742619eaf999f56c5e3a9c08c1190eb9d
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Mon Dec 1 12:44:24 2014 +0100
sgsn: Do authentication based on SRES values
Currently the SRES value in the Auth & Ciph Response is ignored.
This patch checks the SRES value in response against the value stored
    in mm->auth_triplet.sres. If they don't match, an Auth & Ciph Reject
    message is sent to the MS. If they match, the mm->is_authenticated
    flag is set.
Note that the procedure will not be started yet.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=6e80ec48a7dbe901072695876f2df6f18...
commit 6e80ec48a7dbe901072695876f2df6f1876cf79c
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Mon Dec 1 12:33:33 2014 +0100
sgsn: Change Auth&Ciph timer handling
Currently mmctx_timer_start is called from within
    gsm48_tx_gmm_auth_ciph_req which differs from the way e.g. the
    identification procedure is implemented. It also makes it more
    difficult to restart the procedure after timeout, which is not
    implemented yet. In addition, the timer is not properly stopped when
    an AUTH & CIPH response is received.
This patch removes this timer start from gsm48_tx_gmm_auth_ciph_req,
    adds the retransmission of Auth & Ciph requests to the timer callback
    function, and properly stops the timer in
    gsm48_rx_gmm_auth_ciph_resp.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=9b083d517b832440b9245781180c94694...
commit 9b083d517b832440b9245781180c946940673d11
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Mon Dec 1 10:36:17 2014 +0100
sgsn: Fix and enable auth/ciph message generation
Currently gsm48_tx_gmm_auth_ciph_req/_rej are commented out. In
    addition, gsm48_tx_gmm_auth_ciph_req uses a wrong encoding (two byte TV instead of two nibbles TV) of the CKSN information element.
This patch fixes the encoding of the CKSN IE and enables the
    functions mentioned above.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=590b5bd38ca5def9ff9e05f3e9f4dd6ba...
commit 590b5bd38ca5def9ff9e05f3e9f4dd6ba4baa792
Author: Jacob Erlbeck jerlbeck@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=b1a65e9430115771a9ae14a06b2117291...
commit b1a65e9430115771a9ae14a06b21172910011937
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Nov 4 12:44:15 2014 +0100
sgsn: Notify an affected MM context if an ACL rule is removed (TODO)
Currently if an ACL access rule is removed, MS already attached are
    not affected until they try to reattach to the SGSN.
This patch adds sgsn_auth_update_all() that iterates through allMM
    contexts and calls sgsn_auth_update() on each of them. This function
    is then called when 'imsi-acl del IMSI' is executed after the ACL has
    been removed.
TODO:
     - decide, whether ito replace that by a dedicated update command in
       the VTY ENABLE node
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=62c9877ecd1586769eb354a047938a84e...
commit 62c9877ecd1586769eb354a047938a84e194fcd6
Author: Jacob Erlbeck jerlbeck@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
http://cgit.osmocom.org/openbsc/commit/?id=7b84828af0982f52de7eb8327d874cb97...
commit 7b84828af0982f52de7eb8327d874cb97560605b
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Nov 11 14:01:48 2014 +0100
sgsn: Add VTY commands to manage subscriber cache
This adds the following commands to the ENABLE node:
      - show subscriber cache
      - update-subscriber imsi IMSI insert authorized (0|1)
      - update-subscriber imsi IMSI cancel
These commands are mainly testing tools and maintenance helpers. The
    update commands work asynchronously and can be used to complete a
    pending update request or to terminate an existing connection.
Note that the subscriber cache is not stored persistently and will
    always be empty after an SGSN restart.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=0dffd57ce21d3966677097ac6fce831f9...
commit 0dffd57ce21d3966677097ac6fce831f9ece97cb
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Nov 11 14:47:38 2014 +0100
sgsn: Add gsm0408_gprs_access_cancelled (TODO)
This function is called to delete an established MM context
    without invoking a detach procedure that could disable the GPRS
    functionality of the MS until the next power cycle.
It is called when a subscriber is cancelled.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=31780d3e9eb0a901178368efee950fffd...
commit 31780d3e9eb0a901178368efee950fffdfbe76d6
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Wed Nov 12 10:18:09 2014 +0100
sgsn: Integrate subscriber handling into the SGSN (TODO)
This commit adds a new authorization policy 'remote' and uses
    the subscriber cache for authorization when this policy is being used.
Note that there is no remote backend implemented yet.
TODO:
     - tests
     - decide, whether 'remote' could be named better, e.g. sth based on
       'subscriber'
Ticket: OW#????
    Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=f76452152dcfae0982446c7188a06e628...
commit f76452152dcfae0982446c7188a06e6288557ada
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Wed Nov 12 10:12:11 2014 +0100
sgsn: Add gprs_subscriber.c
This patch adds GPRS specific functions for gsm_subscriber objects
    (allocation, retrieval, deletion) and subscriber data
    requests/updates. The sgsn_update_subscriber_data callback is used to
    notify the sgsn about updates and is extended by a parameter that
    passes a reference to a gsm_subscriber.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=a52ec93f5a243e72a4951c3c8dc8d6d8a...
commit a52ec93f5a243e72a4951c3c8dc8d6d8a0afd2d5
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Wed Dec 3 11:08:23 2014 +0100
msc: Add per subscriber keep flag
Currently the keep_subscr flag refers to a whole group of subscribers
    which makes it difficult to really delete single entries if the flag
    is set.
This patch adds a force_no_keep field to gsm_subscriber which allows for
    deleting single subscribers even if group->keep_subscr is set.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=0185390bec605d0b9f024259fc27c6acc...
commit 0185390bec605d0b9f024259fc27c6acc09bd332
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Wed Dec 3 13:05:16 2014 +0100
bsc/test: Add tests for gsm_subscriber base
This commit adds test for the generic part of gsm_subscriber like
    reference counting and flag usage.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=2aa3e6c3f74f9b6353cd8b484615481ff...
commit 2aa3e6c3f74f9b6353cd8b484615481ff8ba207a
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Wed Dec 3 09:28:24 2014 +0100
msc: Add and use gsm_subscriber_group
Currently every subcriber object directly refers to the gsm_network
    which contains a flag shared by every related subscriber
    (keep_subscr). This adds a dependency on gsm_network even if only the
    function defined in gsm_subscriber_base.c are used.
This patch adds a new struct gsm_subscriber_group which contains the
    keep_subscr flag and a back reference to the network object. The
    latter is not dereferenced in gsm_subscriber_base.c, so it can safely
    be set to NULL when only that part of the gsm_subscriber API is being
    used. It also changes that API to use gsm_subscriber_group instead of
    gsm_network parameters.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=d3e3eeb00557c9dbd10fef8c62556efc6...
commit d3e3eeb00557c9dbd10fef8c62556efc631cf5d6
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Dec 2 14:22:53 2014 +0100
msc: Don't use the subscriber to access the net object (TODO)
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=f95603d7e77982ecb2e63704b1276ae23...
commit f95603d7e77982ecb2e63704b1276ae23136d695
Author: Jacob Erlbeck jerlbeck@sysmocom.de
Date:   Tue Dec 2 11:58:00 2014 +0100
msc: Add net back pointer to gsm_trans
Currently the net pointer is obtained from trans->subscr->net. On the
    other hand, the list gsm_trans object is managed by the net object.
This patch adds the back pointer to the structure and replaces all
    trans->subscr->net by trans->net expressions. In trans_alloc() the
    trans->net pointer is obtained from the subscr object.
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
 openbsc/configure.ac                        |   1 +
 openbsc/include/openbsc/gprs_sgsn.h         |   2 -
 openbsc/include/openbsc/gsm_data.h          |   3 +-
 openbsc/include/openbsc/gsm_subscriber.h    |  31 +++++---
 openbsc/include/openbsc/transaction.h       |   7 +-
 openbsc/src/gprs/gprs_gmm.c                 |   6 +-
 openbsc/src/gprs/gprs_subscriber.c          |  22 +-----
 openbsc/src/libbsc/bsc_vty.c                |   4 +-
 openbsc/src/libbsc/chan_alloc.c             |   2 +-
 openbsc/src/libbsc/net_init.c               |   7 ++
 openbsc/src/libbsc/paging.c                 |   2 +-
 openbsc/src/libcommon/gsm_subscriber_base.c |  24 +++---
 openbsc/src/libmsc/ctrl_commands.c          |   6 +-
 openbsc/src/libmsc/db.c                     |   4 +-
 openbsc/src/libmsc/gsm_04_08.c              | 104 +++++++++++++-----------
 openbsc/src/libmsc/gsm_04_11.c              |  12 +--
 openbsc/src/libmsc/gsm_subscriber.c         |  35 +++++----
 openbsc/src/libmsc/silent_call.c            |   2 +-
 openbsc/src/libmsc/smpp_openbsc.c           |   4 +-
 openbsc/src/libmsc/sms_queue.c              |   8 +-
 openbsc/src/libmsc/token_auth.c             |   6 +-
 openbsc/src/libmsc/transaction.c            |  14 ++--
 openbsc/src/libmsc/vty_interface_layer3.c   |  14 ++--
 openbsc/src/osmo-bsc/osmo_bsc_bssap.c       |   2 +-
 openbsc/src/osmo-bsc/osmo_bsc_filter.c      |   5 +-
 openbsc/src/osmo-bsc/osmo_bsc_grace.c       |   7 +-
 openbsc/src/osmo-nitb/bsc_hack.c            |   2 +-
 openbsc/tests/Makefile.am                   |   2 +-
 openbsc/tests/channel/channel_test.c        |   2 +-
 openbsc/tests/db/db_test.c                  |  10 ++-
 openbsc/tests/sgsn/sgsn_test.c              |   6 +-
 openbsc/tests/subscr/Makefile.am            |  18 +++++
 openbsc/tests/subscr/subscr_test.c          | 118 ++++++++++++++++++++++++++++
 openbsc/tests/subscr/subscr_test.ok         |   3 +
 openbsc/tests/testsuite.at                  |   6 ++
 35 files changed, 336 insertions(+), 165 deletions(-)
 create mode 100644 openbsc/tests/subscr/Makefile.am
 create mode 100644 openbsc/tests/subscr/subscr_test.c
 create mode 100644 openbsc/tests/subscr/subscr_test.ok
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The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)