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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/openbsc/commit/?id=743dec4c0c80383556efac60f03d307287ecf024
commit 743dec4c0c80383556efac60f03d307287ecf024
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=65fa3f73a1151e896e4c74196680b7886a3b6be6
commit 65fa3f73a1151e896e4c74196680b7886a3b6be6
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Tue Jan 6 16:32:41 2015 +0100
gprs: Use PURGE MS messages
When a subscriber entry is going to be deleted by SGSN and when the
subscriber info has been obtained 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.
Note that GSM 09.02, 19.1.4.4 implies that the subscriber data is not
to be removed when the procedure fails which is not the way the
feature has been implemented.
Note that handling 'P-TMSI freezing' is not implemented.
Ticket: OW#1338
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=69d271376cce7d26a0469bbb948f272c399ac6c7
commit 69d271376cce7d26a0469bbb948f272c399ac6c7
Author: Jacob Erlbeck <jerlbeck at sysmocom.de>
Date: Thu Jan 15 11:50:08 2015 +0100
gprs: Implement PURGE_MS GSUP messages
This commit implements the encoding and decoding of the messages
- Purge MS Request
- Purge MS Error
- Purge MS Result
and adds corresponding tests.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=cde0bb27a14553bba2f680cd1307a5f9b3581f0e
commit cde0bb27a14553bba2f680cd1307a5f9b3581f0e
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=058bc26e1bb1350c9077f99edd24887bb84bc8c5
commit 058bc26e1bb1350c9077f99edd24887bb84bc8c5
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=c157ee7d2ccdb7524e76d25b22cb7eec8de9a656
commit c157ee7d2ccdb7524e76d25b22cb7eec8de9a656
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=0f47b8fae743769a6627f8654444b4f0d665e050
commit 0f47b8fae743769a6627f8654444b4f0d665e050
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=b8fb1409d1ed18dc198b430895a74e680640c2b1
commit b8fb1409d1ed18dc198b430895a74e680640c2b1
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=e1beb6f51d3822593d56e071d47e12a74f077826
commit e1beb6f51d3822593d56e071d47e12a74f077826
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=d3cde1ecf49940fae90ec5e1d36824ee0ba17501
commit d3cde1ecf49940fae90ec5e1d36824ee0ba17501
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=f06fe29f61c0089ca2f0c10faea18c65d5014f95
commit f06fe29f61c0089ca2f0c10faea18c65d5014f95
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=bf34c67f3f5f747d71f844aec9ae61d26b273d6d
commit bf34c67f3f5f747d71f844aec9ae61d26b273d6d
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=42755785707a11c8349b86c2afb98b7bc15c85dc
commit 42755785707a11c8349b86c2afb98b7bc15c85dc
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=bce2061b43c1e38b766cc3738b4ad669211dc6a4
commit bce2061b43c1e38b766cc3738b4ad669211dc6a4
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=9aa9991efe207f5c12bbcf655b0660e3466c02e0
commit 9aa9991efe207f5c12bbcf655b0660e3466c02e0
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=af3d5c508c9ca3ebae9388d3e09c5d7726db4f5c
commit af3d5c508c9ca3ebae9388d3e09c5d7726db4f5c
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
Conflicts:
openbsc/include/openbsc/gprs_sgsn.h
[hfreyther: Conflict due the removal of the unused
authenticate flag]
http://cgit.osmocom.org/openbsc/commit/?id=afcf23001e600bedc51db08a22846dada9bc06b3
commit afcf23001e600bedc51db08a22846dada9bc06b3
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=8054799963f4b3b936d601eb4b1f5774f2c41fec
commit 8054799963f4b3b936d601eb4b1f5774f2c41fec
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=03b463034885e7ebb09160f6d63c05ac120a8098
commit 03b463034885e7ebb09160f6d63c05ac120a8098
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
Conflicts:
openbsc/src/gprs/gprs_gsup_client.c
[hfreyther: Conflicts due the potential memleak fix by me. Removed
another TODO from the code as we stop the ping/pong timer]
http://cgit.osmocom.org/openbsc/commit/?id=e154d8bdd45974fa6e9408b9d543eb9e9ea94b79
commit e154d8bdd45974fa6e9408b9d543eb9e9ea94b79
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=69e16b9ea5dc991f8373c11b9fcf45b7b1a8e940
commit 69e16b9ea5dc991f8373c11b9fcf45b7b1a8e940
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=4188c30c4a6574201d62df1be818eed038608d16
commit 4188c30c4a6574201d62df1be818eed038608d16
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
[hfreyther: Replaced
while (!llist_empty(&gsupc->link->tx_queue))
llist_del(gsupc->link->tx_queue.next);
with new libosmo-abis API]
http://cgit.osmocom.org/openbsc/commit/?id=849d0a83e8598e0f21a3e9c5438c222d8ab417eb
commit 849d0a83e8598e0f21a3e9c5438c222d8ab417eb
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=7660ffa29fb463fc24b2ac8d735b9b345017bba6
commit 7660ffa29fb463fc24b2ac8d735b9b345017bba6
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=3d722450de1cf34931d95f7a748a9b6c48e933f0
commit 3d722450de1cf34931d95f7a748a9b6c48e933f0
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=e21e184d84d6a932b58079084d254f498599e29e
commit e21e184d84d6a932b58079084d254f498599e29e
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=771573c535ae97ce7c7ed7694670e3b98eeae48a
commit 771573c535ae97ce7c7ed7694670e3b98eeae48a
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=a071c1ccc07074272f6cb7626b781f45f85564c6
commit a071c1ccc07074272f6cb7626b781f45f85564c6
Author: Holger Hans Peter Freyther <holger at moiji-mobile.com>
Date: Sun Jan 18 13:22:37 2015 +0100
gprs: Remove now unused authenticate flag
This has been obsoleted by the previous commit. Remove it.
http://cgit.osmocom.org/openbsc/commit/?id=9d4f46c975c3a4c92071c70ebadd6edc345581da
commit 9d4f46c975c3a4c92071c70ebadd6edc345581da
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=39f040d62b16b2d99352f5facd83ce098fa2f462
commit 39f040d62b16b2d99352f5facd83ce098fa2f462
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=bb23dc17f8f56be836dc50c925c04a5aeaec979c
commit bb23dc17f8f56be836dc50c925c04a5aeaec979c
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=1610626fe9e65693c6d8743129b10ed4958ec6ea
commit 1610626fe9e65693c6d8743129b10ed4958ec6ea
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=a2315eebf972412e122033ac036dd21bcdad5335
commit a2315eebf972412e122033ac036dd21bcdad5335
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.
Sponsored-by: On-Waves ehf
http://cgit.osmocom.org/openbsc/commit/?id=424ffa480630a4242d2a6f6b27b9e6b1ec08d206
commit 424ffa480630a4242d2a6f6b27b9e6b1ec08d206
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=0572ee045d1b7c29a0c34b27867b3f8669eb5038
commit 0572ee045d1b7c29a0c34b27867b3f8669eb5038
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=f0b06d82cd6f2a340db052a2fa2e559aa75f1fa8
commit f0b06d82cd6f2a340db052a2fa2e559aa75f1fa8
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=07de92e2c0ccfa89b9498c8c49a74d0848b7b85a
commit 07de92e2c0ccfa89b9498c8c49a74d0848b7b85a
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/doc/sgsn-remote-protocol.txt | 12 +-
openbsc/include/openbsc/Makefile.am | 3 +-
openbsc/include/openbsc/gprs_gmm.h | 4 +-
openbsc/include/openbsc/gprs_gsup_client.h | 54 ++++
openbsc/include/openbsc/gprs_gsup_messages.h | 2 +
openbsc/include/openbsc/gprs_sgsn.h | 11 +-
openbsc/include/openbsc/gsm_04_08_gprs.h | 11 +
openbsc/include/openbsc/sgsn.h | 14 +
openbsc/src/gprs/Makefile.am | 3 +-
openbsc/src/gprs/gprs_gmm.c | 184 +++---------
openbsc/src/gprs/gprs_gsup_client.c | 285 +++++++++++++++++++
openbsc/src/gprs/gprs_gsup_messages.c | 23 +-
openbsc/src/gprs/gprs_subscriber.c | 367 ++++++++++++++++++++----
openbsc/src/gprs/gsm_04_08_gprs.c | 141 +++++++++
openbsc/src/gprs/sgsn_auth.c | 22 +-
openbsc/src/gprs/sgsn_main.c | 6 +
openbsc/src/gprs/sgsn_vty.c | 93 +++++-
openbsc/tests/gprs/gprs_test.c | 115 ++++++++
openbsc/tests/gprs/gprs_test.ok | 3 +
openbsc/tests/sgsn/Makefile.am | 6 +-
openbsc/tests/sgsn/sgsn_test.c | 408 ++++++++++++++++++++++-----
openbsc/tests/sgsn/sgsn_test.ok | 3 +
22 files changed, 1474 insertions(+), 296 deletions(-)
create mode 100644 openbsc/include/openbsc/gprs_gsup_client.h
create mode 100644 openbsc/src/gprs/gprs_gsup_client.c
create mode 100644 openbsc/src/gprs/gsm_04_08_gprs.c
hooks/post-receive
--
The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)