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The branch, jerlbeck/wip/gprs-patching has been updated
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=b392f1b1448b3eebf779457577fb439d533781c0
commit b392f1b1448b3eebf779457577fb439d533781c0
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Dec 23 14:24:16 2014 +0100
sgsn: Handle GSUP errors (WIP)
Ticket: OW#????
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=6888fef2394ec6e7cf9fa1667f6d990ea3323d6f
commit 6888fef2394ec6e7cf9fa1667f6d990ea3323d6f
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=4bddf37c8d4b54d94e2245250bdf44916f657ea2
commit 4bddf37c8d4b54d94e2245250bdf44916f657ea2
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
http://cgit.osmocom.org/openbsc/commit/?id=af31f22589327f0c4a13587ead4b0413af95f845
commit af31f22589327f0c4a13587ead4b0413af95f845
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Wed Dec 17 14:03:35 2014 +0100
sgsn: Add PDP info to subscriber data (TODO)
TODO:
- commit message
- raw binary representation ???
- tests
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=618dce764997e543cbe7e8b5c9313f981122f576
commit 618dce764997e543cbe7e8b5c9313f981122f576
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:11:20 2014 +0100
sgsn: Add logging to connect_timer_cb (TODO)
TODO:
- LOGLevel ?
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=1793b8df0dda07fcf29baf31b3b08c748103887f
commit 1793b8df0dda07fcf29baf31b3b08c748103887f
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:19:46 2014 +0100
sgsn: Show GSUP client info on 'show sgsn'
This commit adds a line to the output of 'show sgsn' if the GSUP
client has been initialized:
- Remote authorization: [not] connected to HOST:PORT via GSUP
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=fa9af3fe29a549523a30e2af521f73b2f17819da
commit fa9af3fe29a549523a30e2af521f73b2f17819da
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:18:54 2014 +0100
sgsn: Send PING and eventually reconnect
Currently, the reconnect mechanism relies on gsup_client_updown_cb
which in turn gets called based on the OS' view of connection state.
This patch adds a timer based PING mechanism that regularly sends
PING messages and forces a reconnect if a PONG message won't be
received until the next PING message is scheduled. The current ping
interval is 20s.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=00ae6ee4ed6677cfe3ac10aeea76c1b0ac125f8e
commit 00ae6ee4ed6677cfe3ac10aeea76c1b0ac125f8e
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:15:55 2014 +0100
sgsn: Handle incoming IPA CCM message in gsup_client_read_cb
Currently the IPA CCM messages are not handled by the GSUP client.
This means, that the client doesn't answer to PING and ID_GET and
logs notices when receiving PONG or ID_ACK. At least the PING
functionality (remotely originated PING) shall be supported.
This patch extends gsup_client_read_cb by a call to
ipaccess_bts_handle_ccm. Only when the return code is 0, the message
is processed further and checked for an OSMO/GSUP message. ID_GET
messages are answered by a dummy description, where only the
unit_name is set to 'SGSN'.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=50a3edc6c2cca52464c40dd24756365acf57680d
commit 50a3edc6c2cca52464c40dd24756365acf57680d
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:00:56 2014 +0100
sgsn: Handle return code of ipa_client_conn_open correctly
The ipa_client_conn_open function does not distinguish between a
connection being already established or waiting for establishment.
In either case, the application gets informed about the connection
state via the updown_cb. The 'up' parameter is only set, if
poll/select consider the socket as writable.
This patch handles both cases equally and fully relies on the
updown_cb to adjust the gsupc obejct state.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=4cb99aad4fa93be5e4381152ae3fb1583b429b75
commit 4cb99aad4fa93be5e4381152ae3fb1583b429b75
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 18:50:05 2014 +0100
sgsn: Avoid sending stale GSUP requests after reconnect
Currently, messages are added to the tx queue even if the connection
is down for some reason and all of these messages are eventually sent
after a re-connect. The MS has probably sent several Attach Requests
while the connection was down and will continue doing so. Therefore
these stored messages could be dropped.
This patch clears the queue before re-connecting and also extends
gprs_gsup_client_send to return immediately, when the connection is
not established instead of calling ipa_client_conn_send.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=d0d5a90281f54b0ddcfa54a715b01a30045ede62
commit d0d5a90281f54b0ddcfa54a715b01a30045ede62
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Dec 18 15:00:29 2014 +0100
sgsn: Add automatic re-connect if the GSUP connection is down
Currently the GSUP connection to a server is not restarted if the
connection cannot be established or is terminated during operation.
This commit adds a timer based connection mechanism, basically
consisting of a timer callback that calls gsup_client_connect. The
timer is eventually triggered (up == 0) or cleared (up != 0) by
gsup_client_updown_cb. It adds calls to osmo_timer_del() to
gsup_client_connect and gprs_gsup_client_destroy. The latter is now
called instead of talloc_free in gprs_gsup_client_create on error to
be on the safe side.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=a4b21b7f740defe76e70fcb459667436da8bc8fd
commit a4b21b7f740defe76e70fcb459667436da8bc8fd
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 18:30:41 2014 +0100
sgsn/test: Extend tests to simulate lost GSUP requests
This patch extends test_gmm_attach to optionally resend Attach
Requests until the SGSN responds to it instead of calling
OSMO_ASSERT at a few places. The test_gmm_attach_subscr_gsup_auth
test optionally uses this feature. It is called once in either mode.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=bcb60cccc36aa2b48abeec55081decdce623b9a1
commit bcb60cccc36aa2b48abeec55081decdce623b9a1
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 18:26:09 2014 +0100
sgsn/test: Add GMM test for a GSUP based attach procedure
This test calls test_gmm_attach() where the mocked subscriber
functions insert GSUP messages instead of manipulating the
subscriber structure directly.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=cde63d0a32b7610ed077c7831b960c009e024b77
commit cde63d0a32b7610ed077c7831b960c009e024b77
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 18:19:50 2014 +0100
sgsn/test: Add wrapper for gprs_subscr_rx_gsup_message
Currently, several lines of boiler plate are needed around a call to
gprs_subscr_rx_gsup_message.
This patch puts all of this (including the call to
gprs_subscr_rx_gsup_message) into a separate function.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=95961dd1282789ddd55cbf1c32ea2ce62bec61f0
commit 95961dd1282789ddd55cbf1c32ea2ce62bec61f0
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 18:08:48 2014 +0100
sgsn: Add global require_update_location flag
This flag is used to determine, whether the Update Location procedure
shall be invoked. This is currently only set, when the 'remote'
authorization policy is set. When the flag is set, sgsn_auth_update
will not never be called directly by sgsn_auth_request, if an Attach
Request procedure is pending, even if the remote connection fails for
some reason.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=694aad91d4b1bf658cfac767871ddffdcceb45d3
commit 694aad91d4b1bf658cfac767871ddffdcceb45d3
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Wed Dec 17 13:20:08 2014 +0100
sgsn: Replace subscr.authenticate by global require_authentication flag
Currently the flag 'authenticate' is managed per subscriber.
This patch replaces that flag by a global cfg.require_authentication
flag that enables/disables the use of the Auth & Ciph procedure for
every subscriber. The flag is set by the VTY, if and only if the
authorization policy is 'remote'.
The VTY command
- update-subscriber imsi IMSI insert authenticate <0-1>
is removed.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=4fe374421b460a0f023a4fd7fda048d675d793d1
commit 4fe374421b460a0f023a4fd7fda048d675d793d1
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Dec 18 12:46:47 2014 +0100
sgsn: Integrate the GSUP client into the SGSN
This commit adds GSUP client configuration (via VTY), connection set
up, and real message sending.
The following configuration commands are added:
- gsup remote-ip A.B.C.D set server IP address
- gsup remote-port PORT set server TCP port
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=84c734570291d7e240ee473a614ac8f3af14771a
commit 84c734570291d7e240ee473a614ac8f3af14771a
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Dec 18 12:28:21 2014 +0100
sgsn: Add GSUP client
This commit adds the client code to get subscriber information from a
remote server. It provides an IPA over TCP connection to transmit and
receive GSUP messages.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=65f625f2283553497d7cc0d15a4c9ca8e6656442
commit 65f625f2283553497d7cc0d15a4c9ca8e6656442
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Dec 15 10:16:02 2014 +0100
sgsn/doc: Add IPA default parameters
This commit adds the default protocol identifiers that should be used
for GSUP by the IPA protocol.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=0163dbcc30575ee6953222183f2cbbd0741486b5
commit 0163dbcc30575ee6953222183f2cbbd0741486b5
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 12 15:01:37 2014 +0100
gprs: Add subscriber functions to create/handle GSUP messages
This patch extends gprs_subscr_query_auth_info and
gprs_subscr_location_update to create GSUP messages with the help of
a static gprs_subscr_tx_gsup_message function. A corresponding
gprs_subscr_rx_gsup_message is added which takes a messages, gets the
subscr, and updates it accordingly.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=e14a5903e5d1c9fce9d13f91e9a08eeade42a541
commit e14a5903e5d1c9fce9d13f91e9a08eeade42a541
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Dec 11 16:54:14 2014 +0100
gprs: Add encoder/decoder for the Subscriber Update Protocol
This patch adds functions to encode and decode GSUP messages. This
does not include the layer 1 framing (IPA). The messages so far
supported are: send_auth_info_*, update_location_*,
location_cancellation_*.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=21aa2a90ea2f5cf10fb9db75c597b8fe572c51cd
commit 21aa2a90ea2f5cf10fb9db75c597b8fe572c51cd
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=5ca5699e61b2395fd822027c425be5f26bd33ac2
commit 5ca5699e61b2395fd822027c425be5f26bd33ac2
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 5 09:43:51 2015 +0100
sgsn: Fix VTY command error handling (Coverity)
Currently the result of the osmo_hexparse function in
update_subscr_insert_auth_triplet is not handled correctly. There is
a misplaced leading exclamation mark in a few conditional
expressions. This effectively disables the error checks, as it is
noticed by Coverity ("Missing parentheses" followed by "Logically
dead code").
This patch removes the exclamation marks.
Fixes: Coverity CID 1260435 and CID 1260434
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
hooks/post-receive
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The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)