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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=3fb6fbddfd6c7c524d9718953e11d1253c176c03
commit 3fb6fbddfd6c7c524d9718953e11d1253c176c03
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=615c0089f0dd6c9794a93ff30136f4d5680b3527
commit 615c0089f0dd6c9794a93ff30136f4d5680b3527
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=69dbfccd9617d890ab47f8f3be5f12268ef97fe4
commit 69dbfccd9617d890ab47f8f3be5f12268ef97fe4
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=477687d28b2fd4d0c802980d9520a0dac9f48b1c
commit 477687d28b2fd4d0c802980d9520a0dac9f48b1c
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=fc1a40a908eed3783fd1ef952bff4439e92c011e
commit fc1a40a908eed3783fd1ef952bff4439e92c011e
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=52cbc48dc3b34c8cbf0fbe4c3dec80fc115d6103
commit 52cbc48dc3b34c8cbf0fbe4c3dec80fc115d6103
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=0898453bcc9a4d29c1b7a350af3bb2c657c13887
commit 0898453bcc9a4d29c1b7a350af3bb2c657c13887
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=d0d19575645fbb55675a920dddf9e0b908e344a6
commit d0d19575645fbb55675a920dddf9e0b908e344a6
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=dc705156990875cce47e91be02d6e11eb42ec297
commit dc705156990875cce47e91be02d6e11eb42ec297
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=7ba0f5153d236baafae9c4fa35bd19b9dae8fa79
commit 7ba0f5153d236baafae9c4fa35bd19b9dae8fa79
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=877eaefa8b2f13758103eb77aeaa57db4bb58ef4
commit 877eaefa8b2f13758103eb77aeaa57db4bb58ef4
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=20fba7e41677012efaf84b869f270c364b44067e
commit 20fba7e41677012efaf84b869f270c364b44067e
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=0331b92277f541f64b2928a7996e23f55ef86e1e
commit 0331b92277f541f64b2928a7996e23f55ef86e1e
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=b633cac56859a73cfe955aaca42e4624064c7a24
commit b633cac56859a73cfe955aaca42e4624064c7a24
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=8c53be038f73ef0ec41990cca44e3acf51c608e2
commit 8c53be038f73ef0ec41990cca44e3acf51c608e2
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=db0f3dc595fd081cb26df84b0a534614cf35e018
commit db0f3dc595fd081cb26df84b0a534614cf35e018
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=a458d7ef7835891237b2c271d9365e59691cbb0a
commit a458d7ef7835891237b2c271d9365e59691cbb0a
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=9b731ee8145248104016a66a5617706321d112a1
commit 9b731ee8145248104016a66a5617706321d112a1
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=82c9c6a70704677fd691e6a2c5e865d490a944bc
commit 82c9c6a70704677fd691e6a2c5e865d490a944bc
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=3e2ade7f718ceaaa7bfdc70da0c666c2a4096d6d
commit 3e2ade7f718ceaaa7bfdc70da0c666c2a4096d6d
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=db7e1e46f258f8697a952d0cec52601f8fb9d0e1
commit db7e1e46f258f8697a952d0cec52601f8fb9d0e1
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=fd40f97341add367623ce9133ee47df62956db94
commit fd40f97341add367623ce9133ee47df62956db94
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=91ba21fc94d0e2bcb1b2416d111e893232bc0c1b
commit 91ba21fc94d0e2bcb1b2416d111e893232bc0c1b
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Nov 28 14:55:25 2014 +0100
sgsn: Add a subscriber based authentication phase
This implements the MAP way of subscriber validation when the MS
tries to perform an Attach Request:
1. perform authentication (optionally invoke the sendAuthInfo
procedure), starts the Auth & Ciph procedure
2. perform update location
3. insert subscriber data
4. finish the update location
5. Attach Accept / Attach Reject
The authentication triplets are used and eventually updated if all of
them have been used.
This is currently accessible via the VTY interface by the following
commands:
- update-subscriber imsi IMSI update-auth-info
- update-subscriber imsi IMSI update-location-result (ok|ERR-CAUSE)
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=20d9b880e538c8728e825b4bb74ededb1a67ee20
commit 20d9b880e538c8728e825b4bb74ededb1a67ee20
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Dec 8 15:52:00 2014 +0100
sgsn: Add support for authentication triplets
This commit add data structures, functions, initialization, and VTY
commands for per subscriber authentication triplets.
The following VTY command is added:
- update-subscriber imsi IMSI \
insert auth-triplet <1-5> sres SRES rand RAND kc KC
Note that the triplets are not really used by the SGSN yet.
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
openbsc/doc/sgsn-remote-protocol.txt | 23 ++++---
openbsc/include/openbsc/gprs_gmm.h | 4 +-
openbsc/include/openbsc/gprs_sgsn.h | 7 +-
openbsc/src/gprs/gprs_gmm.c | 58 +++++++---------
openbsc/src/gprs/gprs_subscriber.c | 127 ++++++++++++++++++++++++++---------
openbsc/src/gprs/sgsn_auth.c | 45 ++++++-------
openbsc/src/gprs/sgsn_vty.c | 10 ++-
openbsc/tests/sgsn/Makefile.am | 2 +-
openbsc/tests/sgsn/sgsn_test.c | 43 +++++++-----
9 files changed, 192 insertions(+), 127 deletions(-)
hooks/post-receive
--
The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)