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- Log ----------------------------------------------------------------- http://cgit.osmocom.org/openbsc/commit/?id=dc30dedcb857c9cfa9efb451a725ed83c...

commit dc30dedcb857c9cfa9efb451a725ed83c0774def 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=aa78094b4bc11caff7b3c3c90366448a7...

commit aa78094b4bc11caff7b3c3c90366448a75269d84 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=4d1f467f4b78c5d630dc5aa0da847d712...

commit 4d1f467f4b78c5d630dc5aa0da847d7124e5b645 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=2b8b8aeb85f20782be66e7968b63f0bb9...

commit 2b8b8aeb85f20782be66e7968b63f0bb94139483 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=e920272bb4ef66dbc662c81ef852dec03...

commit e920272bb4ef66dbc662c81ef852dec03bf3c124 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=230c37ff165ee2cff7d9098fd15c79898...

commit 230c37ff165ee2cff7d9098fd15c7989861421df 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=a464776f1513218645c5b4284c0b1fc1e...

commit a464776f1513218645c5b4284c0b1fc1e1a17b59 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=51ad560afe535d4c7528eca2aebb9e9de...

commit 51ad560afe535d4c7528eca2aebb9e9de8a12df7 Author: Jacob Erlbeck jerlbeck@sysmocom.de Date: Mon Nov 24 15:04:15 2014 +0100

sgsn/test: Add test case for unexpected Detach Accepts

The commit "sgsn: Don't send XID reset after Detach Accept" fixed the SGSN to not respond to a Detach Accept message when there is no MM context.

This patch adds a test case to verify, that there is really no message sent in that case.

The test fails when the commit mentioned aboved is reverted.

Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=deddfdb54f878e64df11a8151239efd70...

commit deddfdb54f878e64df11a8151239efd70b975015 Author: Jacob Erlbeck jerlbeck@sysmocom.de Date: Mon Nov 24 14:40:28 2014 +0100

sgsn/test: Don't rely on the actual PRNG sequence

Currently the expected P-TMSI generated by the SGSN is hard-coded into the test. This adds a dependency on the implementation of rand() and thus the libc used. This breaks the test e.g. on FreeBSD.

This patch modifies test_gmm_attach() to srand(1) first, generate the P-TMSI, and finally srand(1) again before starting the test.

Sponsored-by: On-Waves ehf

http://cgit.osmocom.org/openbsc/commit/?id=95617192e94c178ac36f3f379cbbcbfba...

commit 95617192e94c178ac36f3f379cbbcbfbaadb9939 Author: Jacob Erlbeck jerlbeck@sysmocom.de Date: Thu Oct 30 17:15:43 2014 +0100

gbproxy: Reset TLLIs when the link_info is found by IMSI/P-TMSI

Currently when the MS does a re-attach without doing a proper detach first, the gbproxy uses the old local TLLI if patching and the keep mode are enabled. This leads to a failing attachment procedure when TLLI patching is also enabled.

This patch changes gbproxy_update_link_state_ul to reset all TLLIs within the link_info if the message contains an unknown TLLI and an MI. This is generally the case with Attach Request messages.

The gbproxy_get_link_info_ul gets an additional tlli_is_valid output parameter that is set, when a TLLI was present and found. This flag is then used instead of checking tlli.current == 0 to set TLLI/P-TMSI e.g. Attach Requests when a link_info was already present for the P-TMSI/IMSI used in such a request.

Ticket: OW#1324 Sponsored-by: On-Waves ehf

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

Summary of changes: openbsc/include/openbsc/gprs_sgsn.h | 4 +- openbsc/include/openbsc/gsm_data.h | 1 + openbsc/include/openbsc/gsm_data_shared.h | 3 +- openbsc/include/openbsc/gsm_subscriber.h | 1 + openbsc/include/openbsc/mgcp.h | 1 + openbsc/src/gprs/gb_proxy_tlli.c | 13 +++--- openbsc/src/gprs/gprs_subscriber.c | 2 +- openbsc/src/libbsc/bsc_ctrl_commands.c | 73 ++++++++++++++++++++++++++++++- openbsc/src/libbsc/bsc_init.c | 4 +- openbsc/src/libbsc/system_information.c | 3 ++ openbsc/src/libcommon/gsm_data_shared.c | 3 ++ openbsc/src/libmgcp/mgcp_protocol.c | 5 ++- openbsc/src/libmgcp/mgcp_vty.c | 50 +++++++++++++++++++++ openbsc/tests/ctrl_test_runner.py | 59 +++++++++++++++++++++++++ openbsc/tests/mgcp/mgcp_test.c | 58 ++++++++++++++++++++++++ openbsc/tests/mgcp/mgcp_test.ok | 1 + openbsc/tests/sgsn/sgsn_test.c | 45 ++++++++++++++++++- openbsc/tests/sgsn/sgsn_test.ok | 1 + openbsc/tests/vty_test_runner.py | 15 +++++++ 19 files changed, 326 insertions(+), 16 deletions(-)

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