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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=64d0007aca0bc5f3c53aa3e710d9db6b745af36e
commit 64d0007aca0bc5f3c53aa3e710d9db6b745af36e
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
- implement age based MM context expiry
- remove this commit
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=f0974ae238ee109b046051441a9599076ddcc0f0
commit f0974ae238ee109b046051441a9599076ddcc0f0
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=abf773d673a29b3e927e8151f9d47458bfeb9153
commit abf773d673a29b3e927e8151f9d47458bfeb9153
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=3586c3491555ef7e686bcbc145a64ac2d9405710
commit 3586c3491555ef7e686bcbc145a64ac2d9405710
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=6551d3169355de7e05d94c905014ff1ec9fbf264
commit 6551d3169355de7e05d94c905014ff1ec9fbf264
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Jan 8 15:29:01 2015 +0100
gprs: Support the full cancellation procedure (TODO)
TODO:
- Commit message
- Reply to cancellation request (either with RES or ERR)
Ticket: OW#1338
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=145d7ddb84ef36122a0bf6a539923b558d0b3928
commit 145d7ddb84ef36122a0bf6a539923b558d0b3928
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Jan 8 16:23:25 2015 +0100
gprs: Block other GSUP procedures during PURGE_MS (TODO)
TODO:
- commit message
- move LOGGSUBSCRP fix in gprs_subscr_purge to HEAD^^
- testing
Ticket: OW#????
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=5d2546d1597645a88ef70bcbdc706c9e8a16fb9a
commit 5d2546d1597645a88ef70bcbdc706c9e8a16fb9a
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Jan 8 15:18:39 2015 +0100
gprs: Retry PURGE_MS procedure after timeout
Currently, when the PURGE_MS_REQ to the HLR gets lost (e.g. by a
connection or peer failure), the expired subscriber entry will not get
deleted.
This commit adds a retry mechanism then restarts the procedure after
a timeout (currently 10s). The maximum number of retries is limited
(currently to 3 PURGE_MS messages). If none of these procedures is
completed (either with success or error), the subscriber data is
deleted.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=3ea2200407b17dac2b704979bd92cb7563d51d15
commit 3ea2200407b17dac2b704979bd92cb7563d51d15
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Jan 6 16:32:41 2015 +0100
gprs: Support PURGE MS messages
When a subscriber entry is going to be deleted by SGSN and when the
subscriber info has been optained from a remote peer via GSUP, the
peer should be informed before the entry is really deleted. For this
purpose, MAP defines the PURGE MS procedure (see GSM 09.02, 19.1.4).
This patch adds support for the PURGE_MS_REQ/_ERR/_RES messages and
invokes the procedure when the subscriber entry is going to be
removed. This only applies if GSUP is being used, the Update
Location procedure has been completed successfully, and the
subscriber has not been cancelled. The removal of the entry is
delayed until a PURGE_MS_RES or PURGE_MS_ERR message is received.
Ticket: OW#1338
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=1da5e744766689acca7cf5b477a0c9bb4b900c95
commit 1da5e744766689acca7cf5b477a0c9bb4b900c95
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Jan 9 09:46:43 2015 +0100
sgsn/doc: Add message definitions for PURGE_MS responses
Currently the definitions of the message PURGE_MS_RES and
PURGE_MS_ERR are missing in the specification.
This patch adds those definitions.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=ea5906244efac709eb1fbcbd021a285fc4cbe7b8
commit ea5906244efac709eb1fbcbd021a285fc4cbe7b8
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Jan 13 11:46:32 2015 +0100
sgsn/test: Add checks and reports to detect subscr leakage
This commit adds talloc reports to log remaining NULL chunks after the
terminates. It also adds explicit checks for empty subscriber lists.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=82b3b65f217a0432ab88909f9fb29d7aa1856541
commit 82b3b65f217a0432ab88909f9fb29d7aa1856541
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Jan 9 15:07:16 2015 +0100
sgsn/test: Add test that intercepts gprs_gsup_client_send
This test replaces gprs_gsup_client_send by a custom function, that
emulates a GSUP remote peer by calling gprs_subscr_rx_gsup_message
with responses for all requests. It then executes a full
Attach/Detach cycle.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=5b88584b0604269b1a830f8dfe1fec7319f3cdc7
commit 5b88584b0604269b1a830f8dfe1fec7319f3cdc7
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Jan 6 16:32:41 2015 +0100
gprs: Add expiry timeout for subscriber entries
Set the expiry delay after the subscriber has been deleted (e.g. by
freeing the MM context). If cancelled, the subscriber will be deleted
immediately and no timeout will be set. If the expiry time is set to
SGSN_TIMEOUT_NEVER, no timer will be started and the subscriber entry
will be kept until it is cancelled.
The following VTY command is added to the sgsn node:
- subscriber-expiry-time <0-999999> set expiry time in seconds
- no subscriber-expiry-time set to SGSN_TIMEOUT_NEVER
The default is an expiry time of 0 seconds, which means that the
subscriber entries are wiped out immediately after an MM context is
destroyed.
Note that unused MM contexts are not expired yet. Therefore the
subscriber will only be expired after a successful MM detach.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=4c3cf3701c217c99cdaee39d28ee0acea2e1c374
commit 4c3cf3701c217c99cdaee39d28ee0acea2e1c374
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Jan 9 11:59:50 2015 +0100
sgsn/test: Refactor subscriber test
The code sequence that checks, whether a subscriber is still
reachable for a given IMSI, is repeated several times.
This patch puts this code sequence into a single function and adds a
check for the IMSI after the entry has been found. In addition,
some comments are extended.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=6cc8140d2b32abf620d6b47cd691162728029122
commit 6cc8140d2b32abf620d6b47cd691162728029122
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Jan 8 14:13:46 2015 +0100
sgsn/test: Fix subscriber cleanup
Currently the subscribers are not really deleted by
cleanup_subscr_by_imsi, but kept in RAM instead.
This patch fixes this and adds a test to verify, that the subscriber
is really deleted afterwards.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=018d3829388438da9a7734bcd6972077c8c35090
commit 018d3829388438da9a7734bcd6972077c8c35090
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Jan 8 14:08:16 2015 +0100
gprs/test: Move subscr cleanup code into a separate function
Refactor several occurences of the same subscriber cleanup code into
a seperate cleanup_subscr_by_imsi function.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=d8abd5df576d0180b2f78009fbe5707094e8aef1
commit d8abd5df576d0180b2f78009fbe5707094e8aef1
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 5 16:20:47 2015 +0100
gprs: Pass GMM causes related to the MSC connection
Currently the error causes MSC_TEMP_NOTREACH, NET_FAIL, and
CONGESTION are silently dropped to force the MS to continue. On the
other hand, GSM 04.08/24.008, 4.7.3.1.4 in combination with 4.7.3.1.5,
require the MS to retry the attachment procedure for cause codes
above 15 instead of disabling GPRS. All of the mentioned GMM causes
have codes above 15, so using a REJECT message including the cause
code is a better choice. This way, the retry algorithm based on T3311
(15s, 5 times) and T3302 (default 12min) could be used.
This patch modifies gprs_subscr_handle_gsup_auth_err and
gprs_subscr_handle_gsup_upd_loc_err to proceed like when the access
has beed denied, except that the corresponding subscriber's
information fields are not cleared.
This has been successfully tested which an iphone which enters a
retry loop as it is being described in the specification.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=b92861ddbc4a559a6e4c82b875a2b1406f6d6279
commit b92861ddbc4a559a6e4c82b875a2b1406f6d6279
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Dec 23 14:24:16 2014 +0100
gprs: Use LOGGSUBSCRP and LOGMMCTX for logging in gprs_susbcriber.c
To unify the layout of the logging messages in gprs_subscriber.c,
this patch replaces each LOGP by LOGGSUBSCRP, unless a non-NULL
pointer to a subscr is not available. In those cases, it uses
LOGMMCTXP if a pointer to an MM context is available or LOGP
otherwise.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=4ffbfd3e4ebf5bfb5fa4ee298d88a6b721525420
commit 4ffbfd3e4ebf5bfb5fa4ee298d88a6b721525420
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Jan 8 12:02:12 2015 +0100
gprs: Add LOGGSUBSCRP macro to log subscriber info
This patch adds a new logging macro, that logs to DGPRS and provides
a uniform prefix containing the IMSI without using the mm reference.
This is an improvement over using LOGMMCTXP, since the new macro also
provides an IMSI if no MM context is attached.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=1d89966270e03838fa61a15a874ceb8be34c3de3
commit 1d89966270e03838fa61a15a874ceb8be34c3de3
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 5 18:57:32 2015 +0100
gprs: Let GSUP parser functions return GMM causes on errors
Currently the GSUP message handling function in gprs_subscriber.c and
the functions in gprs_gsup_messages.c are not consistent with respect
to the return codes if an error happens. Albeit all error return
codes are negative, the semantics of the absolute value are not
clearly defined. In addition, some return codes are not passed to the
calling function.
This path changes these functions to always return a negated GMM
cause value in case of errors. Return values of called parser
functions are not longer ignored.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=98ed3fd8089b26895ef0177f1c1f3567cc3d0871
commit 98ed3fd8089b26895ef0177f1c1f3567cc3d0871
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 5 18:38:41 2015 +0100
gprs: Use the cause value in GSUP error messages
Currently always a cause with the meaning of 'access denied' is
assumed. gprs_subscr_handle_gsup_auth_err just clears the auth
triplets and the authorized flag before calling the update function.
gprs_subscr_handle_gsup_upd_loc_err only clears the authorized flag
and calls the update function. This means, that an MS will not retry
to attach even on temporary network errors.
This patch changes these functions to use the GSUP error cause value
to decide, whether to clear the corresponding subscriber fields, to
just continue with the corresponding update function, or to log,
ignore and not pass the cause to the MS in case the error is directly
related to the GSUP protocol. The subscriber's error_cause field is
updated, if the update function is going to be called. The
error_cause fielt is reset on non-error GSUP messages.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=7c998bd273986d5cbd38b93523e8bfd59ec6fbae
commit 7c998bd273986d5cbd38b93523e8bfd59ec6fbae
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 5 17:51:17 2015 +0100
sgsn: Pass subscriber error causes to the GMM layer
This patch extends gsm0408_gprs_access_denied and
gsm0408_gprs_access_cancelled to accept GMM cause codes. These are
then passed to the MS, unless gsm0408_gprs_access_cancelled is called
with cause 0 (no error -> updateProcedure).
Since gsm0408_gprs_access_denied uses GMM_CAUSE_GPRS_NOTALLOWED if
the cause is not set, and the subscriber's error_cause is never set
(and thus always 0), the SGSN's behaviour does not change with this
patch.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=bf6f8f6186f4cbd757e8c72083214493a95bc60d
commit bf6f8f6186f4cbd757e8c72083214493a95bc60d
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 5 17:30:02 2015 +0100
gprs: Move protocol value_strings to gsm_04_08_gprs.c
Currently the mapping between GSM 04.08 (GPRS) protocol specific
numbers and their textual description was put into gprs_gmm.c and not
exported.
This commit moves the mappings to a new file gsm_04_08_gprs.c,
renames some of them, and exports them via gsm_04_08_gprs.h.
The following identifiers are renamed to match the corresponding type
names:
- gmm_cause_names -> gsm48_gmm_cause_names
- gsm_cause_names -> gsm48_gsm_cause_names
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=e08b0de9fe2d7c0ad60a7eb6b4bdc0af2d62177c
commit e08b0de9fe2d7c0ad60a7eb6b4bdc0af2d62177c
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=0b9733bfb3d15544b867210f138367bcf7d25cf5
commit 0b9733bfb3d15544b867210f138367bcf7d25cf5
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:18:54 2014 +0100
gprs: 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=a4c1213fd7b7da144b011a7d74d28f5ba670df1a
commit a4c1213fd7b7da144b011a7d74d28f5ba670df1a
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:15:55 2014 +0100
gprs: 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=46d6fcc2cc2cbf6ad034a20fc6461f5016aa0bca
commit 46d6fcc2cc2cbf6ad034a20fc6461f5016aa0bca
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 19:00:56 2014 +0100
gprs: 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=666d4c7f68e56bc380f1028509c60cbec5eebe87
commit 666d4c7f68e56bc380f1028509c60cbec5eebe87
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Fri Dec 19 18:50:05 2014 +0100
gprs: 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=7275bd4d224ec91b50c0938d31b602a3c19a9a18
commit 7275bd4d224ec91b50c0938d31b602a3c19a9a18
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Dec 18 15:00:29 2014 +0100
gprs: 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=13266266b9a8c6518b7153b8fdea4aa2c0328ffe
commit 13266266b9a8c6518b7153b8fdea4aa2c0328ffe
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=83c3f0be610073a5fe001ba39e45d4ac1f925e4c
commit 83c3f0be610073a5fe001ba39e45d4ac1f925e4c
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=3ee9213a6d3131da085f97929051a0b0d3e65d0c
commit 3ee9213a6d3131da085f97929051a0b0d3e65d0c
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=49bf767559c5beb4d7de145fdbabe02a9cae577f
commit 49bf767559c5beb4d7de145fdbabe02a9cae577f
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=dfb5722cf088eca6bc3bcbb74cdf5704b5638568
commit dfb5722cf088eca6bc3bcbb74cdf5704b5638568
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=418f6de75d1e54405e4e5501f50b1c4b2146551c
commit 418f6de75d1e54405e4e5501f50b1c4b2146551c
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
Ticket: OW#1338
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=18e441b66e0a974028f4042141b1a801fb5f21e0
commit 18e441b66e0a974028f4042141b1a801fb5f21e0
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Dec 18 12:28:21 2014 +0100
gprs: 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=71cd89a3e591951e7efd4b7065acfa9b15177ac5
commit 71cd89a3e591951e7efd4b7065acfa9b15177ac5
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 12 13:54:39 2015 +0100
gprs: Clear GSUP message structures before decoding
Currently the message structure is not cleared before the message is
parsed which can cause information leaking between messages if the
same gprs_gsup_message object is used. Especially list elements (auth
tuples and pdp info) are not replaced by an IE, but the IE is
appended.
This patch uses the assignment operator to clear gprs_gsup_message,
gsm_auth_tuple, and gprs_gsup_pdp_info before using them. This also
replaces the use of memcpy of the latter.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=91740a67cb090f0507b8c364f8f3950b73a52beb
commit 91740a67cb090f0507b8c364f8f3950b73a52beb
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 12 13:39:15 2015 +0100
gprs: Always reset auth tuples/pdp infos in gprs_gsup_decode
Currently auth tuples are always appended to the lists when
gprs_gsup_decode is called with a gsup_msg structure. This makes a
test case fail, where the same gsup_msg is used again and again
without clearing it after each use.
Ticket: OW#????
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=d390bc452c0dca5c2e455ccdcda5515204a11413
commit d390bc452c0dca5c2e455ccdcda5515204a11413
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 12 13:23:05 2015 +0100
gprs: Handle empty GSUP messages correctly
Currently, the gprs_gsup_decode function doesn't check the return
value of gprs_shift_v_fixed before using the value pointer. The
function fails, if the GSUP message length (not including IPA
headers) is 0. In this case, a segfault can happen, depending on the
value of the uninitialized 'value' pointer. The test case doesn't
trigger a segfault, but valgrind complains about reading
uninitialized data.
This patch adds a check for the return value that would return with
an error code if the shift function failed.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=a6cb44ea20e173b50c8197f44f588411c25c1c31
commit a6cb44ea20e173b50c8197f44f588411c25c1c31
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Mon Jan 12 11:14:18 2015 +0100
gprs/test: Add tests for invalid GSUP messages
Currently, the tests only use valid GSUP messages. This does not
check the robustness of the parser.
This commit adds a test for truncated messages and another for
modified messages.
Thanks to Holger for the basic truncation test.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=33245e2c62baf0569edc53b4d39c3344a0372eba
commit 33245e2c62baf0569edc53b4d39c3344a0372eba
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Jan 13 11:56:28 2015 +0100
sgsn/test: Fix msgb freeing in mocked bssgp_tx_dl_ud
Currently the mocked bssgp_tx_dl_ud function used for testing in
sgsn_test.c does not free the msg as it is done by the original
function. This leads to a msgb leak in the test.
This patch fixes the test code accordingly and uncomments the
assertion that checks for left-over msgbs.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=2892ebf3ea5ae575c3760fd2fca95b331f9ba9d2
commit 2892ebf3ea5ae575c3760fd2fca95b331f9ba9d2
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Jan 13 11:46:32 2015 +0100
sgsn/test: Add checks and reports to detect msgb leakage
This commit adds talloc reports to log remaining chunks after the
testing has been finished. It also adds a (currently disabled) check,
that no msgbs are allocated after running the tests.
Sponsored-by: On-Waves ehf
-----------------------------------------------------------------------
Summary of changes:
openbsc/src/gprs/gprs_gsup_client.c | 2 +-
openbsc/tests/sgsn/sgsn_test.c | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)
hooks/post-receive
--
The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)