| Age | Commit message (Collapse) | Author | Files | Lines |
|---|
|
Numerous manual adjustments are included to make sense on the sysmocom/iu branch:
* gsm_04_08_gprs.h has moved to libosmocore on the master branch, but
sysmocom/iu has added some entries. Until it is clear whether to move the
additions to libosmocore as well, keep gsm_04_08_gprs.h on sysmocom/iu with
merely the additions.
* Thus, keep using the old gsm_04_08_gprs.[hc] from openbsc in the Makefiles,
but only where the sysmocom/iu additions are needed.
* In openbsc's gsm_04_08_gprs.h,
* include the libosmocore gsm_04_08_gprs.h,
* use '#pragma once' instead of #ifndef and
* add a TODO comment about moving the rest to libosmocore.
* Apply the addition of an osmo_auth_vector to gsm_auth_tuple: in the Iu auth
vector hacks, use the gsm_auth_tuple.vec instead of a local struct.
See iu_hack__get_hardcoded_auth_tuple() and gsm48_rx_gmm_att_req().
* In the si2q tests, pass NULL as ctx to gsm_network_init().
* In cscn_main.c, add a debug log that was originally added to osmo-nitb.
* openbsc/.gitignore: keep only one addition of 'writtenconfig'
Conflicts:
openbsc/include/openbsc/gprs_sgsn.h
openbsc/include/openbsc/gsm_04_08_gprs.h
openbsc/src/gprs/gsm_04_08_gprs.c
openbsc/src/libmsc/gsm_04_08.c
openbsc/src/osmo-cscn/cscn_main.c
openbsc/tests/gsm0408/Makefile.am
|
|
We recently implementd InsertSubscriberData in the SGSN, adapt the test
to reflect that.
|
|
In commit 4adb136da63a1d3ed523ad85e12fd99fc62f5701 we introduced
a new authentication state SGSN_AUTH_AUTHENTICATE, but we didn't
add that to auth_state_names[] resulting in log messages printing
it abut 'unknown 0x1' rather than something more useful.
|
|
The existing GSUP code expected the subscriber data to be piggy-backed
onto the location update response, rather than a separate (and nested)
insert subscriber data request/response phase.
With this patch we should now support both the nested as well as the
piggy-backed version.
|
|
|
|
|
|
|
|
The ranap_handle_* functions generate a msgb and pass it on to the receive
callback. After processing the message the msgb needs to be freed again.
iu_tx() takes a msgb and uses ranap_new_msg_dt() to generate a new msgb from
it. The old msgb needs to be freed.
|
|
For Iu mode it is important to know when the UE is in PMM-IDLE mode since the
SGSN will need to page the UE if there is data for it.
|
|
Safety check: discard Security Mode Complete messages when there is no
security operation pending.
|
|
When receiving authentication response or security mode complete messages,
actually release the security operation stored with the subscriber conn.
|
|
Just return 0 regardless of the security callback's return value when
receiving authentication response or security mode complete messages.
|
|
Don't call msc_subscr_con_free() directly, instead use
gsm0408_clear_request(), which properly cleans up all pending operations
before freeing the connection.
|
|
By having conn->in_release == 1, calling msc_release_connection() has no
effect and thus never frees the conn. So, after all pending requests have
been discarded, also discard and free the unused connection.
|
|
In gsm04_08_clear_request(), in_release == 1 anyway and
msc_release_connection() would exit immediately without any effect. Don't
confuse the reader by passing release=1 arg.
|
|
Subscriber conn stuff doesn't really belong in gsm_subscriber.c.
(I moved because I thought it would call some static functions in gsm_04_08.c,
which ended up not being the case; anyway, it makes more sense to stay in
gsm_04_08.c.)
|
|
In NITB, the paging timeout would be handled from the BSC side. In IuCS, we
need to invalidate the paging request from libmsc alone, so add a paging timer
to gsm_subscriber.
Possibly, the HNB-GW should respond with a paging failure and libmsc could
trigger on that, nevertheless libmsc should not rely on a failure message to
expire pending pagings.
|
|
Make sure that subscr and conn are valid:
* a subscr must always be present.
* on success, a conn must be present and the subscr must match the conn's
subscr.
Also check the hooknum.
|
|
|
|
|
|
|
|
|
|
This reverts commit 6f4e83beb05b7e4fd615504a7bf6a71afe15064d, but note:
this is not a 1:1 revert since the subscr_paging_sec_cb() semantics have changed.
In subscr_paging_dispatch(), the separate subscr parameter is needed in cases
where paging expired and there is no conn available.
For subscr_paging_sec_cb(), a conn must always be available. Hence it avoids
any duplicity by only passing the conn and deriving the subscr from that.
Callers of subscr_paging_sec_cb() pass NULL as param, so pass conn->subscr when
calling subscr_paging_dispatch() from subscr_paging_sec_cb().
|
|
|
|
|
|
|
|
The network is known from subscr; the type is not applicable after MSCSPLIT;
cbfn and data are obsoleted by explicit subscr_rx_paging_response().
|
|
it is never called outside of gsm_subscriber.c
|
|
During peliminary paging response testing, I introduced some code duplication.
Remove that and instead call the code that was there before 63b99ced83773d923
("add preliminary paging response handling, incomplete").
By calling the gsm_subscriber API, the connection is also secured and hence
Integrity Protection is enabled for IuCS.
|
|
Tweak debug logging, use paging category DPAG.
Change the order of arguments to make more sense in the causal relationship.
|
|
Before this, any paging response would be accepted by the CN, without
checking the database whether the subscriber is in fact authorized.
The probability that a subscriber would be able to take unauthorized action
is slim, nevertheless checking authorization status with the database should
happen before we accept a connection.
|
|
Remove one layer of callback indirection in paging. When a paging response
arrives, we always want to first secure the connection, thus a fixed
subscr_rx_paging_response() function is more appropriate and avoids having
to store a cbfn. The actual actions to be taken upon successful paging are
of course still in callback functions stored with each subscriber.
|
|
It doesn't really hurt to see whether we have paging responses queued for
a given subscriber. Possibly a subscriber replied with a paging response
later than we assumed the paging to be valid.
|
|
|
|
|
|
|
|
|
|
Rename subscr_request_channel() to _conn() and remove the channel_type arg.
The "channel" is a term from closely tied MSC+BSC code, after separation we
shall call it a "connection", i.e. over IuCS or A.
The channel_type arg is already unused from a previous MSCSPLIT commit.
|
|
Add function subscr_authorized(), absorbing the guts of static
authorize_subscriber() from gsm_04_08.c, except the parts specific to Location
Updating.
subscr_authorized() is a check that is to be added to validation of a paging
response.
|
|
Remove legacy code from the original NITB version -- the SMPP init functions
have since been refactored in 1b0e5540dba697c9cf213e4f0aebc4baaf1618cb.
Add SMPP initialization in the refactored version: call the alloc_init
before reading config file, and call start with the global network struct
after config is read.
|
|
There are different Iu dialects in terms of encoding the
transport layer address inside RAB Assignment req + resp.
Let's be liberal in what we accept, and simply use the length
as an indicator of the format. Wireshark uses similar heuristics.
|
|
When the RNC confirms the RAB Assignment, it can each time indicate a
new TEID for the GTP-U endpoint on the RNC side. We need to update our
information about the PDP context and include that in the UPDATE PDP
CONTEXT that we're sending towards the GGSN. This is similar to
updating the RNC-side IP address of the GTP endpoint.
|
|
When we send the RAB Assignment Request to the RNC, we need
to tell it the GGSN-side TEI for data, not "our" (SGSN side)
TEID.
In the RAB-Assignment.req we inform the RNC of the TEID on the GGSN
side, and in the RAB-Assignment.resp the RNC informs us of the TEID
on the RNC side.
|
|
When receiving an RAB-Assignment response from the RNC,
we should use the RAB ID (=NSAPI) to resolve the PDP context.
We cannot use the TEID, as the TEID chosen by the RNC for this RAB has
no relationship to the TEID we were using for the RAB-Assignment
request. TEIDs are local to each of the peer, like UDP port numbers.
|
|
|
|
As Dieter has pointed out, the RANAP spec requires the RAB ID to be
equal to the NSAPI of the PDP context for which it is established.
|
|
When starting with empty config file, saving it by 'write file',
and then re-starting osmo-cscn, it would complain:
Error occurred during reading below line:
long name Osmocom Circuit-Switched Core Network
The problem is that the vty parser is configured to expect a single
token and not a list of tokens here, but we initialize the default value
with multiple words (which are treated as separate token).
|
|
In general, if a function generates output data like a msgb (or in this
case filling an osmo_oap_message structure), the output argument
precedes the source. This is what we use all over libosmo*, and it is
modelled after memcpy(), where dst is the first argument, before src.
Let's align osmo_oap_decode(). Intestingly, osmo_oap_encode was already
correct, so the encode/decode functions used different conventions
before.
|
|
* we always declare stack variables at the top of the function / block
* 'switch' is not a function, so there's space ahead of the opening (
|
|
this is in preparation of moving related code to libosmocore.
|
