Commit Graph

4185 Commits

Author SHA1 Message Date
Neels Hofmeyr 285df2ec62 dyn PDCH: add lchan sanity checks in PDCH DE/ACT ACK
Change-Id: I0456cfb88860823c37c14688673e9cbc8d0085d8
2016-06-16 04:29:40 +02:00
Neels Hofmeyr 3201988f7b dyn PDCH: track pending PDCH de-/activation
Set and clear pending flags on the TS according to PDCH de-/activation.

This will allow changing the time we set the channel state to after PDCH
DEACT and before PDCH ACT, in a subsequent commit.

Also add a sanity check on whether we're sending conflicting or superfluous
PDCH de-/activations on the same TS.

Change-Id: Ieae73271df749ded3d90585116aae01f3ad4ee74
2016-06-16 04:29:40 +02:00
Neels Hofmeyr c1fbdedcd3 dyn PDCH: fix: clear PDCH flags on TS reconnect (e.g. BTS re-connect)
Change-Id: I89a0ef1794f343fdd06a62237f5732e73f4d2704
2016-06-16 04:29:40 +02:00
Neels Hofmeyr 2ebacce4fa dyn PDCH: TS flags: rename one, add three, as enum
Rename TS_F_PDCH_MODE to TS_F_PDCH_ACTIVE, to more accurately reflect the truth
value's meaning.

Add TS_F_PDCH_ACT_PENDING and TS_F_PDCH_DEACT_PENDING for sysmoBTS (and
possibly other BTS implementations) to remember what to do when the PCU replies
with a channel de/activation. Also add TS_F_PDCH_PENDING_MASK to test for both.

Change from #define to an enum.

Note: These flags are also used in the upcoming osmo-bts-sysmo dyn PDCH
commits, so osmo-bts submission depends on this commit.

Change-Id: I391a103ab599648b0c5d4f3ad613a6d7c48834b3
2016-06-16 04:26:33 +02:00
Max 0fcd2e2fec Make random extension range configurable
Previously if subscriber was automatically created it got assigned
random MSISDN number between 20000 and 49999. Make it configurable with
new vty command "subscriber-create-on-demand random" and expand vty
tests to check it.

Change-Id: I040a1d227b0c7a1601dc7c33eccb0007941408a6
Related: OS#1658
2016-06-14 22:20:40 +00:00
Max e152ffe14d Fix SIGABRT on wrong AMR payload
Previously length check have not considered AMR format which requires
extra byte for in-band length leading to SIGABRT on incorrect payload
from BTS.

Change-Id: I800f756fc803accace8c7e0b4a42b3744fe78bb6
Fixes: OS#1731
2016-06-14 10:20:05 +00:00
Neels Hofmeyr b8afb5fda2 dyn PDCH: send PDCH ACT for each TCH/F_PDCH on TS Enable
Add dyn_pdch_init() in new file bsc_dyn_pdch.c (new file to avoid linking
issues; bsc_init.c would create undefined references, and putting in a new file
is the easiest solution).

Call dyn_pdch_init() from nm_statechg_event() whenever a TS is enabled.

Revert the |= TS_F_PDCH_MODE chunk from previous commit, since this flag will
now be set after dyn_pdch_init() sent out the PDCH ACT and when subsequently
the PDCH ACT ACK messages are received in rsl_rx_pdch_act_ack().

Change-Id: I0cad93dec59d546b3f3b19e332e0833496031575
2016-06-14 10:18:19 +00:00
Andreas Eversberg 9df268e217 dyn PDCH: Automatically deactivate/activate PDCH on TCH/F+PDCH channel
Handle shared TCH/F+PDCH channels as regular TCH/F channels. Prior to
activation, deactivate PDCH mode.

After deactivation, restore PDCH mode.

Change-Id: I59712b8769cc3959ef114a6e12e77801816fe8b6
2016-06-14 10:18:19 +00:00
Daniel Willmann 3adb23cfc5 add DSUA debug constant
Change-Id: I4a3a8189564345700ea4825983ab39a8411227f4
2016-06-13 09:18:51 +00:00
Neels Hofmeyr a66852525a dyn PDCH: allow allocating TCH/F on TCH/F_PDCH slots
Remove check for dyn PDCH in _lc_find_trx(), instead call _lc_find_trx() via
_lc_find_bts() several times, so that pure TCH/F is preferred to TCH/F_PDCH.
Add this logic next to the other channel match decisions in chan_alloc().

BTW, the removed check in _lc_find_trx() whether PDCH is active is not
necessary, as described in the added comment for lchan_alloc().

Original patch idea by jolly, but split in two and implemented differently by
nhofmeyr.

Change-Id: I0c728b922656be03588b775638b610a93f8187d5
2016-06-12 15:48:38 +00:00
Andreas Eversberg 0434efa077 dyn PDCH: Fix free slot search for chan_alloc_reverse == true
For chan_alloc_reverse, _lc_find_trx() should return the last free slot instead
of the first.

Original patch by jolly, but split in two by nhofmeyr.

Change-Id: Iff980242b9b5cb39345aaad0350ee368537677cd
2016-06-12 15:48:38 +00:00
Daniel Willmann 35a65edd10 add DRANAP debug constant
Change-Id: I6132198ea86979e0ed84df32f2b7117feba497f2
2016-06-10 10:46:48 +00:00
Neels Hofmeyr f5713a5c63 lchan_alloc(): on alloc failure, report original type
In lchan_alloc(), there are several decisions to fall back to another type of
channel, followed by setting the channel type to the fall back type. So far,
this was set regardless of allocation success or failure.

If such fall back type is not available, do not modify the local type variable
and thus report an S_CHALLOC_ALLOC_FAIL on the type originally requested
(report is at the end of lchan_alloc()).

Change-Id: Ie3d4cb74f91db0b8c4f5e595a963099de339ad1a
2016-06-07 11:10:40 +00:00
Max 6079528b48 Add warning for unsupported DTX configurations
libosmo-abis do not consider DTX bits while processing TRAU frames. As I
do not have equipment to test it, I'm not sure if/how non-IP BTS will
work in case of DTX - warn users about it.

Change-Id: I94ee69cd309fc343a428ddc66942cd57f2a34c05
Related: OS#22
2016-06-06 11:36:48 +02:00
Neels Hofmeyr 9329e6fb49 gprs_gmm.c: don't transmit NOTEXIST when mmctx is NULL
Add missing mmctx NULL check in gsm0408_rcv_gmm(). gsm48_tx_gmm_status() would
dereference mmctx without checking, so we can't call it if mmctx == NULL.

Follows up on recent e98ba82d2b07c835:
"gprs_gmm.c: Don't try to de-reference NULL mmctx".

Change-Id: If59efbde86c76ffe91a0b33be87273783a2a4a02
2016-06-05 23:36:28 +00:00
Neels Hofmeyr 9f5d231f00 debug log: cosmetic fixes
Drop erroneous C from a DEBUGPC, should be on a new line.

Drop underscores from IPAC_PDCH_[DE]ACT: all other log messages for IPAC PDCH
are without underscores -- git grep "P(.*IPAC.PDCH.*ACT"

Change-Id: I8fb7a1c1beabb1f4388517383fd0bdc082d557ca
2016-06-05 23:02:09 +00:00
Neels Hofmeyr 3e62d415ac comment tweak for bsc_handover_start()
Have a comment only in the .c file to remove dup, tweak wording, use doxygen
style.

Change-Id: If054dad877a1ca750cd72be9c9d90bcf087bf741
2016-06-05 23:01:25 +00:00
Max ddee01fa8f Add regexp authorization policy for IMSI
* extend "auth policy" vty command with new option "regexp"
* add vty command "authorized-regexp" for setting arbitrary POSIX
  regular expression
* add basic vty test
* add optional "regexp" argument to subscriber-create-on-demand vty
  command

With those in place we can now set the regexp against which MS's IMSI
will be matched.

If IMSI match the regexp than MS is allowed to access the network. If
subscriber is already marked as authorized in HLR than it'll be allowed
regardless of IMSI matching.

The same way we can decide whether to create subscribers on-demand
basesd on IMSI regexp match. Similar to authorization this restriction
can be overridden by manually creating subscriber via vty, ctrl
interface or directly in HLR.

Change-Id: I525f4b80676de47d1d422686da2ca012301b0129
Fixes: OS#1647
2016-06-05 09:36:37 +00:00
Daniel Willmann f9f4387686 gprs: more conditionals for Gb specific actions
Change-Id: I213d21b9ddbf19e56269defcc6aa65aca4947140
2016-06-02 03:01:06 +02:00
Daniel Willmann 7ec8ca422c sgsn_mm_ctx_cleanup_free(): clean up LLME iff present (Gb, not Iu)
Assert that llme is unused for non-Gb (Iu) connections, and clean up otherwise.
Make sure the cleanup is left below the sgsn_mm_ctx_free() call, as the comment
states.

Change-Id: I891ae21afc1f4f60580b822273b5435e0e17d46f
2016-06-02 03:01:04 +02:00
Harald Welte 2b2429eb59 gprs_gmm.c: Perform LLME operations only if we have one
In case the GMM message did not arrive over a Gb interface, there is no
LLME (and thus the associated pointer is NULL).  Don't try to perform
operations on a NULL LLME.

Change-Id: If7f24161cd2826f8ee238d4bc1090adf555cea4e
2016-06-02 03:01:02 +02:00
Harald Welte dbc72b37ee gprs_gmm.c: Make TLLI handling specific to Gb interface
Soem of the operations we perform in the GMM layer are specific to the
GPRS/EDGE radio access network and its Gb interface.  Let's make them
conditional to that in preparation of supporting an Iu interface.

Change-Id: I3efb7c5087afe8e2331ec17bd9fac5029f4bee6c
2016-06-02 03:00:59 +02:00
Neels Hofmeyr e98ba82d2b gprs_gmm.c: Don't try to de-reference NULL mmctx
There was a comment in the code that certain GMM messages require a
valid mmctx pointer.  However, nothing actually checked if that pointer
was in fact non-NULL.  We plainly crashed if a MS would send us the
wrong message in the wrong state.

Original patch by Harald Welte, but it broke message validity checking,
resulting in sgsn_test failure. This re-implements the NULL check in a
different way, as explained by in-code comment.

Change-Id: I7908de65bec91599f7042549b832cbbd7ae5a9a8
2016-06-02 03:00:55 +02:00
Harald Welte 49393e128e rename gsm0408_gprs_rcvmsg() to gsm0408_gprs_rcvmsg_gb()
This is the entry point for GMM from Gb.  We will create a new one
for Iu, so let's be explicit rather than implicit.

Change-Id: I93c074bf99db041117c0dc03dc8255879845a875
2016-06-02 03:00:53 +02:00
Daniel Willmann 62ff38447c create_pdp_conf(): factor out PDP context accept dispatch as send_act_pdp_cont_acc()
Change-Id: Ibf60e18707ff4aa2e60291e5595386ddda8d8190
2016-06-01 12:09:51 +00:00
Harald Welte f97ee04563 prepare sgsn_mm_ctx for Gb and Iu mode (UMTS)
Explicitly mark those sgsn_mm_ctx members that apply for Gb mode and (upcoming)
Iu mode, respectively.

Add some comments in sgsn_mm_ctx.

Change-Id: Ife9b02549f284e2547f16117cf43d7a36948fc4b
Tweaked-By: Neels Hofmeyr <nhofmeyr@sysmocom.de>
2016-06-01 12:09:36 +00:00
Alexander Couzens 85f8fdabc3 gprs: use new uint8_t * for kv in gprs_cipher_run()
libosmocore changed in bf990bb8 Update internal GPRS cipher API
from uint_64 to uint8_t*.
Fix a warning.

Change-Id: Ib5bfe1fb05c693347b11ff4faadd3fc2205ebd76
2016-05-31 17:47:52 +02:00
Max 69e9c0dfc6 Make si2q scheduling optional
Previously si2quater SI messages were always scheduled. Check for
neighbor configuration and only schedule si2q when necessary. Add
corresponding unit test.

Change-Id: Ibe997803ffb894133fd4d838410fe735791d414f
Fixes: OS#1727
Reviewed-on: https://gerrit.osmocom.org/81
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-31 09:32:12 +00:00
Holger Hans Peter Freyther 82dd983dd8 bsc: Create minimal SI6 rest octets
In GSM R99 SI6 has mandatory SI6 rest octets and so far we did
not include them. Add minimal support to generate the right band
indicator.

Target a slightly older version of the SI6 rest octets as we neither
support MBMS nor Random bit stream but should include the band
indicator.

Change-Id: I417a40eb91f42a3416b4e07bb9fb4d7a01aaa36b
Fixes: OS#1698
Related: OS#1725
Reviewed-on: https://gerrit.osmocom.org/71
Tested-by: Jenkins Builder
Reviewed-by: Max <msuraev@sysmocom.de>
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-30 21:28:40 +00:00
Neels Hofmeyr 307e40648e tweak db debug log: log TMSI as hex
Change-Id: I4564c99c145a35fb592c228c1fa84c61ec425fd3
Reviewed-on: https://gerrit.osmocom.org/94
Reviewed-by: Harald Welte <laforge@gnumonks.org>
Tested-by: Jenkins Builder
2016-05-27 10:48:04 +00:00
Holger Hans Peter Freyther 5b692d0a5c filter/nat: Fix the context for the imsi assignment
In c09f8a3b7f as part of a cleanup
I accidently changed the talloc context from "con" to "bsc". The
issue occurred at an earlier commit when assigning req.ctx to the
"wrong" context. The allocation needs to be scoped by the struct
nat_sccp_connection and not the connection from BSC to NAT.

Before we have a nat_sccp_connection we scope the copied imsi to
the bsc_connection and then steal it, but for the identity resp
we will always have a nat_sccp_connection and can already use the
right context.

Change-Id: I53789aad2809e19338ad3b2deb72c4757e7bd524
Related: OS#1733
Reviewed-on: https://gerrit.osmocom.org/102
Tested-by: Jenkins Builder
Reviewed-by: Harald Welte <laforge@gnumonks.org>
Reviewed-by: daniel <dwillmann@sysmocom.de>
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-25 19:43:38 +00:00
Harald Welte ed04fcc179 rtp_proxy.c: Ensure msgb_alloc is large enough for largest AMR frame
In AMR 12.2 (mode 7), the actual RTP payload is 33 bytes.  Howeerver,
as we store the length of the (dynamically-sized) AMR payload in the
first byte, our buffer needs at least 33+1 byte in size.

Change-Id: If1ad5d2d68c85733306c75ea62f67fe8fbc143b3
Reviewed-on: https://gerrit.osmocom.org/91
Tested-by: Jenkins Builder
Reviewed-by: Harald Welte <laforge@gnumonks.org>
2016-05-25 12:33:47 +00:00
Neels Hofmeyr aea28ceb27 gsm04_08_clear_request(): release loc with arg release=0
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.

Change-Id: I5bf9eb4889d32ad5e42ac7d096bf62fa3a493e20
Reviewed-on: https://gerrit.osmocom.org/93
Reviewed-by: Holger Freyther <holger@freyther.de>
Tested-by: Jenkins Builder
2016-05-23 20:20:37 +00:00
Max ea8e983514 Fix copy-paste error in SI6
Fix error which prevented enabling DTX for half-rate channels.

Change-Id: I7d41df0068783c8fb33ddeeab1d1dcf63c2c259f
Reviewed-on: https://gerrit.osmocom.org/101
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-23 16:24:40 +00:00
Harald Welte 7184bd088e subscr_name(): Handle case for subscr == NULL
subscr_name() was called from several places:
* either without a check for subscr being NULL, which for example
  was causing a segfault if we hand-over a channel before identifying the
  subscriber
* or with an explicit NULL check and the ternary operator (?).

We now simplify the code by checking for the NULL Subscriber in subscr_name()
itself.

Change-Id: Ide09f4a515222eb2ec6c25e7a6a8c5f6cc2ffd4b
Reviewed-on: https://gerrit.osmocom.org/92
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-22 11:51:18 +00:00
Neels Hofmeyr 5493d87f95 drop unneccessary duplicate linking: osmo-nitb
Change-Id: I430adbb1e0c6382317da282bcf5ef73cf9496f80
Reviewed-on: https://gerrit.osmocom.org/89
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-21 15:54:36 +00:00
Neels Hofmeyr 2fa7d8464f drop unneccessary duplicate/unused linking: ipaccess
Drop unused linking of libmsc, and drop duplicate linking of libbsc.

Change-Id: If2d63adb832c72ff1a22c25a78e06b0c244628d2
Reviewed-on: https://gerrit.osmocom.org/88
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-21 15:20:47 +00:00
Neels Hofmeyr 63081fe34d drop unneccessary duplicate linking: osmo-bsc
Change-Id: Ia227abcaa7b1f808646aadb9f53ee2a669699c51
Reviewed-on: https://gerrit.osmocom.org/87
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-21 15:02:55 +00:00
Max e21cf38da4 Make extending subscriber creation easier
* rename variable controlling subscriber creation
* use enum for subscriber creation policy
* move check for subscriber creation policy into separate static
  function

Related: OS#1658, OS#1647
Change-Id: I3b10a9a764fd3a7bb96717a990e52caae16266da
Reviewed-on: https://gerrit.osmocom.org/42
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-20 16:32:37 +00:00
Max 8a4d2e756d Use proper measurement for handover
Previously *FULL measurements were always used for handover
decisions. Those are incorrect in case of DTX - check if it was enabled
and use *SUB instead.

Note: *SUB values have higher variance so there might be more "bad"
values compared to *FULL although real quality remains the same.

Change-Id: I95e8e544047a83a256e057a47458678f40a19a15
Related: OS#1701
Reviewed-on: https://gerrit.osmocom.org/66
Tested-by: Jenkins Builder
Reviewed-by: Harald Welte <laforge@gnumonks.org>
2016-05-20 16:26:33 +00:00
Max c08ee71bff Move DTX settings to BTS
* Add per-BTS DTX settings
* Configure Uplink and Downlink DTX separately
* Deprecate global DTX option (it was never tested/used anyway)
* Use libosmocore function for DTX indicator in System
  Information (previously it was incorrectly assigned for half-rate
  channels)

Related: OS#22
Change-Id: I3d55168475ad47044b6238b55846ea22bdd518a4
Reviewed-on: https://gerrit.osmocom.org/40
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-17 16:17:54 +00:00
Vadim Yanitskiy a8d8e93086 db.c: implemented incremental migration
In the past, normal migration was possible only if the actual
schema version differed from the version used in DB by 1. For
example, if DB uses an old version 3 and you need to use it
with the code written for version 5, the check_db_revision()
will convert it to 4 and DB will still use incompatible schema
version during Osmo-NITB running time. After next run it will
be converted to version 5.

This patch replaces a set of 'else-if' checks by a 'switch'
without 'break' statements between 'case' labels (waterfall).
It makes you able to migrate from current version to the
latest despite any difference between them.

Change-Id: Ia9c2aa86f96b88ad8a710d0a23879ce219bc82dc
Reviewed-on: https://gerrit.osmocom.org/62
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
2016-05-15 19:31:18 +00:00
Harald Welte 7c55ede8b1 Add human-readable name of SGSN_AUTH_AUTHENTICATE
In commit 4adb136da6 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.
2016-05-05 18:31:37 +02:00
Harald Welte 5f2524fe3d sgsn/GSUP: Support MAP-style nested LU/ISD
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.
2016-05-05 18:25:12 +02:00
Harald Welte 5d547a4358 osmo_oap_decode(): Use common argument ordering
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.
2016-04-29 13:10:37 +02:00
Harald Welte d8aa412c46 OAP: Various coding style fixes
* 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 (
2016-04-29 13:10:37 +02:00
Harald Welte 564c06525b OAP: use osmo_oap_ prefix for OAP, rather than plain oap_
this is in preparation of moving related code to libosmocore.
2016-04-29 13:10:37 +02:00
Harald Welte 31760a1f60 oap_message.h: Remove dependency to openbsc include
This is a first step to moving oap_messages.h to libosmocore
2016-04-29 13:10:37 +02:00
Harald Welte 23d77d56ea Move osmo_gsup_messages.[ch] to libosmocore
This requires the corresponding commit in libosmocore.
2016-04-29 13:10:37 +02:00
Harald Welte 50f1c0af56 move utils.h functions to libosmocore
This needs the corresponding commit in libosmocore which imports
the related functions
2016-04-29 13:10:37 +02:00
Harald Welte eff215a8bb osmo_gsup_messge.[ch] documentation update (doxygen) 2016-04-29 13:10:37 +02:00
Harald Welte 7ca035deca gsup_messages: Add UMTS AKA related encoding/decoding support 2016-04-29 13:10:37 +02:00
Harald Welte 85234a32db move osmo_shift_* / osmo_match_shift_* to libosmogsm 2016-04-29 13:10:37 +02:00
Harald Welte 842674b8b3 rename gprs_shift_*() to osmo_shift_*()
This rename is the first step of moving the associated functions into
libosmocore.

Also, rename gprs_match_* to osmo_match_shift_* to indicate that it is
not just matching the TLV, but also shifting the data portion.
2016-04-29 13:10:37 +02:00
Harald Welte 28903a99ea Rename gprs_gsup_* to osmo_gsup_*
This is a preparation to move the related code to libosmocore, whilst
at the same time generalizing it from GPRS Subscriber Update Protocol
to the Osmocom Generic Subscriber Update Protoco.
2016-04-29 13:10:37 +02:00
Harald Welte d3fa84dbba use new libosmocore gsm_23_003.h for IMEI/IMSI length
... rather than our private definitions everwhere.  As an added benefit,
gprs_gsup_messages.h is now free of any header dependencies within
openbsc.
2016-04-29 13:10:37 +02:00
Harald Welte 53373bca8f move gsm_04_08_gprs.h to libosmocore
This requres the corresponding commit in libosmocore.
2016-04-29 13:10:37 +02:00
Harald Welte 121e9a4164 Start to use struct osmo_auth_vector from gsm_auth_tuple
Rather than having a 'private' structure for kc, sres and rand, we
now finally (with 4 years delay) use osmo_auth_vector from libosmogsm,
which encapsulates authentication vectors that can be either GSM
triplets or UMTS quintuples or a combination of both.

gsm_auth_tuple becomes a wrapper around osmo_auth_vector, adding
use_count and key_seq to it.

key_seq is no longer initialized inside gprs_gsup_messages.c, as there
is no CKSN / key_seq inside the message anyway.  If a usre of the code
needs key_seq, they need to manage it themselves.
2016-04-29 13:10:37 +02:00
Max 3ffce19cb4 Disconnect calls with incompatible channel types / modes
In case both TCH/H and TCH/F or different codecs are configured and
internal MNCC handler is used we might end up in a situation where call
legs with incompatible channel types or codecs would be connected
resulting in a broken audio.  Disconnect such calls with appropriate
error message.

Fixes: OS#1663
2016-04-29 13:10:00 +02:00
Max 35697b9a10 Adjust si2quater ranges
Change ranges of arguments for si2quater neighbor lists to proper values
according to 3GPP spec.
2016-04-29 12:57:53 +02:00
Max 299a999465 Fix comment typo 2016-04-29 12:57:53 +02:00
Max e01f5050ef Add missing include 2016-04-23 18:12:01 +02:00
Max 8db12e4263 Add extra debug output with channel mode and type
This provides helpful information for debugging internal MNCC handler.
2016-04-22 15:53:51 +02:00
Max aafff96c40 Add vty check for max si2quater size
Explicitly check if added (U|E)ARFCN will fit into available si2quater
message.
2016-04-22 14:56:06 +02:00
Max 26679e0475 Add basic UARFCN support
* add data structures, generation functions
* vty interface for neightbor UARFCNs specific to SI2quater
* vty test
* unit test

Fixes: OS#1666
2016-04-22 14:55:33 +02:00
Max 0c1bc26b64 Fix earfcn deletion
* fix typo in arg index
* fix sign in error reporting
* add vty test
2016-04-22 14:50:42 +02:00
Max 36212f2850 Fix documentation for command parameters 2016-04-22 14:50:29 +02:00
Holger Hans Peter Freyther e43f8e0400 nat/vty: Do not print token update statement
On start this would print one line per BSC and this doesn't add
a lot of value. Let's just remove this logging message.
2016-04-16 15:56:13 -04:00
Max 59a1bf3dae Add basic SI2quater support
* support for sending arbitrary static SI2quater.
* vty interface for neightbor EARFCNs specific to SI2quater.
* dynamic generation of SI2quater messages.
* unit test for SI2quater messages.

Fixes: OS#1630
2016-04-16 13:47:56 +02:00
Max 5fa7e36bbc Refactor SI-related code
Move define to header file.
Use inline functions where appropriate.
Change int variables which are used as boolean into actual bool to make
code easier to follow.
2016-04-16 13:47:56 +02:00
Max f3f3505f49 Add SI2quater support to SI3
Advertise SI2 quater presence and location (if available) using SI3
according to 3GPP TS 44.018 § 10.5.2.34
2016-04-16 13:47:52 +02:00
Neels Hofmeyr a6e81a0986 bsc_nat: forward_sccp_to_msc(): assert con presence (CID #57872) 2016-04-16 13:33:21 +02:00
Neels Hofmeyr 312bf6ce8b gtphub_unmap_header_tei(): don't dereference unmapped_tei arg if not present (CID #57687) 2016-04-16 13:33:14 +02:00
Max 4936448761 NAT: reload BSCs config dynamically
Add vty tests for BSC configuration reloading.
Load BSCs configuration on bscs-config-file command:
* remove all runtime configured BSC not in the config file
* close connections to all BSC with updated token value

Fixes: OS#1670
Sponsored-by: On-Waves ehf
2016-04-14 08:37:34 -04:00
Max 82f5ecde6a NAT: move BSC config into separate file
Introduce new configuration option bscs-config-file which includes BSC
configuration from the given file. Both absolute and relative (to the
main config file) paths are supported.
Add 'show bscs-config' command to display current BSC configuration.
Note: it is still possible to have BSC configuration in the main
file (provided proper index number is used) and in runtime but BSC
configuration is no longer saved automatically. The management of
included configuration file is left to external tools.
Update configuration examples.

Fixes: OS#1669
Sponsored-by: On-Waves ehf
2016-04-14 08:34:49 -04:00
Max 714b170f89 NAT: allow allocating BSC in arbitrary order
Check for existing BSC before allocating new one.
Track number of remaining BSCs on deallocation.
Explicitly use BSC number in allocation function.
2016-04-12 10:15:02 -04:00
Max 7a301d3576 Remove trivial wrapper function
Rename gsm48_tx_chan_mode_modify() to gsm48_lchan_modify() and remove
corresponding wrapper code.
2016-04-12 10:13:57 -04:00
Max f220b52df3 NAT: extend debug output for ipaccess errors 2016-04-12 10:13:07 -04:00
Max e5686f21d6 NAT: vty command to display number of BSCs
Add command 'show nat num-bscs-configured' to display number of configured BSCs.

Sponsored-by: On-Waves ehf
2016-04-12 10:12:36 -04:00
Max 687f048ab0 Fix segfault with broken config
Fixes OS#1691
2016-04-11 10:22:55 +02:00
Holger Hans Peter Freyther 9bcb1a56cb ctrl: Extend ctrl command to optionally handle alg+ki
Extend the existing ctrl command to be able to specify the
algorithm and Ki. In contrast to the VTY no size check is
done. Together with the VTY this code only supports a small
part of what is supported by libosmocore.

The algorithm and ki are considered optional but if a valid
algorithm other than "none" is passed, a KI must be passed as
well.

Extend the test coverage by passing the potential values. It
is not verified that the KI/algorithm is stored.
2016-04-07 09:27:07 +02:00
Holger Hans Peter Freyther adb86759da db: If creating a subscriber in the db fails, return NULL
We should not return a subscriber in case it was not written to
the database. Instead free the memory allocated and return NULL.
Callers in gsm_04_08.c are prepared to have the creation fail.

Related: OS Issue #1657
2016-04-06 21:21:24 +02:00
Holger Hans Peter Freyther 2826df56b2 subscr: Make db_create_subscriber fail on duplicates
The issue of db_create_subscriber updating an already existing subscr
is that the same subscriber will then have two entries in the active
subscribers list. In general this will break assumptions that a subscr
can be compared by comparing the pointer.

In the case of the VTY this was not an issue as the created subscr
was immediately destroyed again but it is better to avoid this problem.

Change the VTY command to find the subscriber and then call sync to
have the updated time set. The side-effect is we will now have two
queries for the subscriber. Once through subscr_get_by_imsi and once
through db_create_subscriber.

Change the db_create_subscriber to fail if a subscriber already exists,
and add a testcase for this behavior and do not updated the 'updated'
timestamp of an already existing subscriber.

Add a testcase for this behavior.

Related: OS Issue #1657
2016-04-06 21:19:53 +02:00
Holger Hans Peter Freyther c6a65511f3 bsc: Add parameter to restart a bts
The ip.access nanoBTS seems to have severe issues with BSSGP when
changing the country code and/or network code. It is unlikely that
the proprietary code is getting fixed so we extend the parameter
for the apply-configuration command to carry the 'restart' param.
2016-04-01 19:34:42 +02:00
Holger Hans Peter Freyther 740e65fb7b bsc: Add code to send ip.access reboot command to nanoBTS
The nanoBTS continues to be buggy and seems to have broken BSSGP
when changing SIs across new OML connections. Add an easy command
to force the reboot of the system through OML.
2016-04-01 19:34:42 +02:00
Holger Hans Peter Freyther 3a38ee6c3d abis: Send the message without enforcing to wait for a response
The user might issue restarts while no BTS is connected and we
should not block the abis queue because of these messages.
2016-04-01 19:34:42 +02:00
Neels Hofmeyr cf1302e4cb Fix MM Auth: zero-initialize auth tuple before first use
Make sure a new auth tuple is initialized after
db_get_lastauthtuple_for_subscr() returns an error, i.e. if no tuple is present
for the subscriber yet.

Before this patch, the first key_seq depended on the typically uninitialized
value that was present in auth tuple's key_seq upon calling
auth_get_tuple_for_subscr().

The very first key_seq used for a new subscriber will now always be 0. Before,
it used to be mostly 1 ("(0 + 1) % 7"), but depended on whether the key_seq was
indeed initialized with 0, actually by random.
2016-03-31 11:56:49 +02:00
Neels Hofmeyr 0d929be826 Fix MM Auth: disallow key_seq mismatch
In auth_get_tuple_for_subscr(), add missing condition to match incoming
key_seq with stored key_seq, so that re-authentication is requested for
mismatching key_seqs.

Add test for this issue.
2016-03-31 11:56:48 +02:00
Neels Hofmeyr 4e875aec0f MM Auth: return AUTH_NOT_AVAIL instead of hardcoded zero
AUTH_NOT_AVAIL == 0, so this is no functional change.
2016-03-31 11:56:47 +02:00
Neels Hofmeyr f9b212fabd MM Auth: introduce AUTH_ERROR constant.
Instead of using hardcoded -1 for errors, include -1 in the enum auth_action
type; apply its use.

In the mm_auth test, the string output changes from '(internal error)' to
'AUTH_ERROR', since now the proper enum value is used in auth_action_names[].
2016-03-31 11:56:29 +02:00
Neels Hofmeyr 37984bdb1b Add MM Auth test; add auth_action_str() function
Add basic MM Authentication test setup, with fake DB access and RAND_bytes().

So far implement simple tests for IO error during DB access and missing auth
entry.

To print the auth action during tests, add struct auth_action_names and
auth_action_str() inline function in auth.[hc].
2016-03-31 11:56:00 +02:00
Neels Hofmeyr 56ea30ff3f osmo-bsc: fix compiler warning: store struct in vty->index
Don't store an MSC index number in the vty->index void* value. Instead,
store the osmo_msc_data struct directly. Thus avoid warnings about
differences in int vs void* sizes, and save some index lookups.
2016-03-27 10:48:14 +02:00
Harald Welte 3ad0346f00 Revert "move to hex TMSI representation"
This reverts commit 044fbe6568.
2016-03-17 14:42:24 +01:00
Vadim Yanitskiy 044fbe6568 move to hex TMSI representation
In OpenBSC, we traditionally displayed a TMSI in its integer
representation, which is quite unusual in the telecom world.  A TMSI is
normally printed as a series of 8 hex digits.

This patch aligns OpenBSC with the telecom industry standard.

Signed-off-by: Vadim Yanitskiy <axilirator@gmail.com>
2016-03-17 14:15:16 +01:00
Neels Hofmeyr d2fa7a509a fix confusing typo in constant (THAN -> THEN) 2016-03-17 14:15:16 +01:00
Holger Hans Peter Freyther f4afcf0b23 mgcp: Fix compiler warnings on size_t on AMD64
mgcp_transcode.c: In function 'decode_audio':
mgcp_transcode.c:332:4: warning: format '%d' expects argument of type 'int', but argument 7 has type 'size_t' [-Wformat=]
    LOGP(DMGCP, LOGL_ERROR,
    ^
mgcp_transcode.c:332:4: warning: format '%d' expects argument of type 'int', but argument 8 has type 'long unsigned int' [-Wformat=]
mgcp_transcode.c: In function 'encode_audio':
mgcp_transcode.c:390:4: warning: format '%d' expects argument of type 'int', but argument 7 has type 'size_t' [-Wformat=]
    LOGP(DMGCP, LOGL_INFO,
    ^
mgcp_transcode.c:390:4: warning: format '%d' expects argument of type 'int', but argument 8 has type 'size_t' [-Wformat=]
mgcp_transcode.c: In function 'mgcp_transcoding_process_rtp':
mgcp_transcode.c:542:5: warning: format '%d' expects argument of type 'int', but argument 9 has type 'size_t' [-Wformat=]
     LOGP(DMGCP, LOGL_NOTICE,
     ^
mgcp_transcode.c:571:4: warning: format '%d' expects argument of type 'int', but argument 7 has type 'size_t' [-Wformat=]
    LOGP(DMGCP, LOGL_NOTICE,
    ^
2016-03-16 11:16:06 +01:00
Neels Hofmeyr 10cd11345c bsc_scan_msc_msg: check protocol discriminator
The function assumed an MM protocol discriminator without verifying it.
2016-03-15 14:26:00 +01:00
Holger Hans Peter Freyther 8c515272c3 meas: Do not retry to close the database
There is no concurrency involved and if it failed the first time,
it will fail the second, third, ... time as well. Simply print that
we will leak the database instance.
2016-03-15 14:22:57 +01:00
Neels Hofmeyr 961bd0b121 04.08: apply new transaction id inline functions
libosmocore recently added inline functions to relieve callers from applying
bitmasks and bit shifts to access the transaction id of a GSM 04.08 header.
Apply these functions.
2016-03-15 14:18:52 +01:00
Neels Hofmeyr 531734a547 04.08: apply new bitmask functions, fix bitmask use
Replace hardcoded protocol discriminator and message type bitmasks with
function calls recently introduced in libosmocore.

Note that the release 98 bitmasks slightly differ from the release 99 bitmasks.
This patch uses the "default" gsm48_hdr_msg_type invocation, thus it depends on
libosmocore whether 98 or 99 bitmasks are used.

In some places, use of the bitmask was erratic. Fix these implicitly by
employing the bitmask functions:

 * silent_call.c: silent_call_reroute(): add missing bitmask for MM.
 * bsc_msg_filter.c: bsc_msg_filter_initial(): RR vs. MM messages.
 * osmo_bsc_filter.c: bsc_find_msc() and bsc_scan_bts_msg(): RR vs. MM
   messages.
 * bsc_nat_rewrite.c: bsc_nat_rewrite_msg(): SMS vs. CC messages.
 * bsc_ussd.c: no bitmask is applicable for the message types used here.
 * gb_proxy.c: gbproxy_imsi_acquisition(): missing bit mask for pdisc.

In gprs_gb_parse.c: gprs_gb_parse_dtap(), add a log notice for unexpected
message types.
2016-03-15 14:15:00 +01:00
Neels Hofmeyr 6a1d172c95 db: evaluate return value of sqlite3_finalize(), tweak log output. 2016-03-01 13:05:27 +01:00
Neels Hofmeyr 45ee133d1d check return value of sqlite3_close(), retry up to three times. 2016-02-29 16:44:13 +01:00
Neels Hofmeyr 5b38312b92 use sqlite3_close() instead of sqlite3_close_v2()
This allows using sqlite3 v3.7.13, used by our current debian installation in
the test setup. _v2 was added in v3.7.14.
2016-02-29 16:42:00 +01:00
Neels Hofmeyr 49b83d8f67 minor comment 2016-02-29 10:31:07 +01:00
Neels Hofmeyr a7313dd886 osmo_bsc_filter.c: add fixme note 2016-02-29 10:31:07 +01:00
Neels Hofmeyr 1b0e5540db smpp: refactor initialization, add bind address
Make the SMPP bind address configurable (used to be harcoded as "0.0.0.0").

Add VTY command

    smpp
     local-tcp A.B.C.D <1-65535>

while keeping the old command 'local-tcp-port <1-65535>'. Both the old and the
new command immediately change the SMPP listening address and port.

Add a LOGL_NOTICE log when the SMPP listening address and/or port change.

However, to be useful, this patch has to go somewhat further: refactor the
initialization procedure, because it was impossible to run the VTY commands
without an already established connection.

The SMPP initialization procedure was weird. It would first open a connection
on the default port, and a subsequent VTY port reconfiguration while reading
the config file would try to re-establish a connection on a different port. If
that failed, smpp would switch back to the default port instead of failing the
program launch as the user would expect. If anything else ran on port 2775,
SMPP would thus refuse to launch despite the config file having a different
port: the first bind would always happen on 0.0.0.0:2775. Change that.

In the VTY commands, merely store address and port if no fd is established yet.

Introduce several SMPP initialization stages:

* allocate struct and initialize pointers,
* then read config file without immediately starting to listen,
* and once the main program is ready, start listening.

After that, the VTY command behaves as before: try to re-establish the old
connection if the newly supplied address and port don't work out. I'm not
actually sure why this switch-back behavior is needed, but fair enough.

In detail, replace the function
  smpp_smsc_init()
with the various steps
  smpp_smsc_alloc_init() -- prepare struct for VTY commands
  smpp_smsc_conf() -- set addr an port only, for reading the config file
  smpp_smsc_start() -- establish a first connection, for main()
  smpp_smsc_restart() -- switch running connection, for telnet VTY
  smpp_smsc_stop() -- tear down connection, used by _start() twice

And replace
  smpp_openbsc_init()
  smpp_openbsc_set_net()
with
  smpp_openbsc_alloc_init()
  smpp_openbsc_start()

I'd have picked function names like "_bind"/"_unbind", but in the SMPP protocol
there is also a bind/unbind process, so instead I chose the names "_start",
"_restart" and "_stop".

The smsc struct used to be talloc'd outside of smpp_smsc_init(). Since the smsc
code internally uses talloc anyway and employs the smsc struct as talloc
context, I decided to enforce talloc allocation within smpp_smsc_alloc_init().

Be stricter about osmo_signal_register_handler() return codes.
2016-02-25 12:18:04 +01:00
Neels Hofmeyr 73828152d9 enable ctrl bind config for various programs
Add ctrl_vty_init() calls and feed the ctrl_vty_get_bind_addr() return value to
ctrl_interface_setup() in the following programs:

  osmo-bsc
  osmo-bsc_nat
  osmo-nitb
  osmo-sgsn

For osmo-sgsn, move the control interface setup invocation below the config
parsing, so that the ctrl_vty_get_bind_addr() can return the configured
address.
2016-02-25 12:18:04 +01:00
Neels Hofmeyr fc7add20e1 osmo-nitb: be strict about cmdline args
Abort upon unknown options and missing option arguments. This came to my
attention while rewiring the -m and -M options: passing -M without argument
would launch nitb with wrong configuration. So, rather exit immediately.

If there are legacy options that should be ignored, they deserve an own 'case:'
in the option switch. There are none that I'm aware of though.
2016-02-25 12:18:04 +01:00
Neels Hofmeyr f4a3123145 osmo-nitb: cosmetic: rename to rf_ctrl_path, following mncc_sock_path
Strictly speaking, the unix domain socket location is not a name but a path.
The MNCC socket is called path, so it is confusing to call the ctrl socket
a 'name'.
2016-02-25 12:18:04 +01:00
Neels Hofmeyr 0ade63233b osmo-nitb: add -M to pass specific MNCC socket path
The old -m option without argument is still available and marked deprecated,
to not make users' lives more difficult than necessary.
2016-02-25 12:18:03 +01:00
Neels Hofmeyr fa0f71526c enable telnet VTY bind address config for various programs
Following the 'line vty'/'bind A.B.C.D' command added in libosmocore, use the
configured address to set the telnet bind for the VTY line. It is now possible
to publish the VTY on a specific local interface (including 0.0.0.0 aka "any").

Implement in all of:
  osmo-gbproxy
  osmo-gtphub
  osmo-sgsn
  osmo-bsc
  osmo-bsc_nat
  osmo-bsc_mgcp
  osmo-nitb

In some of these main programs, move the telnet initialization below the
configuration parsing.

Historically, this was not a good idea for programs using bsc_init.c (aka
bsc_bootstrap_network()), since they expected a gsm_network struct pointer in
((struct telnet_connection*)vty->priv)->priv, so that telnet had to be either
initialized or replaced by a dummy struct. In the meantime, the gsm_network
struct is not actually looked up in a priv pointer but in the static bsc_vty.c
scope (bsc_gsmnet), so this limitation is mere legacy (even though said legacy
is still there in an "#if 0" chunk).

In the other binaries I have briefly looked at the init sequence dependencies
and found no reason to initialize telnet above the config file parsing. In any
case, I have tested every single one of abovementioned binaries to verify that
they still parse the example config successfully and launch, allowing VTY
connections on the configured address(es). I hope this suffices.

In all of the above, log VTY address and port. LOGL_INFO is disabled by default
in some of the logging scopes, and since it is a single log message right at
program launch, I decided for the slightly more aggressive LOGL_NOTICE.
2016-02-25 12:18:03 +01:00
Neels Hofmeyr 58d5430dd5 gsm340_rx_tpdu: comment-out two unused vars
Kills two compiler warnings.
2016-02-25 12:18:03 +01:00
Neels Hofmeyr 127fc93a13 ipaccess_rcvmsg: fix returncode, add partial write warning
Kills a compiler warning.
2016-02-25 12:18:03 +01:00
Neels Hofmeyr 547f048c89 bsc_nat: fail if VTY telnet port cannot be bound, clarify comment 2016-02-25 12:17:07 +01:00
Neels Hofmeyr fd1187e2e9 minor fixes in bsc_vty.c and bsc_nat.c
Remove unused talloc.h from bsc_vty.c.

In bsc_nat.c, use OSMO_CTRL_PORT_BSC_NAT instead of hardcoding port number, and
include ctrl/ports.h for that.

Fix comment typo "COMAMND"
2016-02-24 00:43:41 +01:00
Neels Hofmeyr 1901b92f0c osmo-bsc: fix checking wrong pointer for ctrl setup success 2016-02-24 00:43:25 +01:00
Neels Hofmeyr 69da1d453c gtphub: tweak default logging level 2016-02-23 13:28:04 +01:00
Neels Hofmeyr 03933a49de gtphub: include ports.h instead of redefining OSMO_VTY_PORT_GTPHUB 2016-02-23 13:26:02 +01:00
Jacob Erlbeck 5ac4aadd1a sgsn: Re-add searching for MM ctx based on TLLI / P-TMSI matches
If an MM context cannot be found based on BBSGP info and a RA UPDATE
REQUEST is received, try to find an MM context with an P-TMSI from
which the TLLI could have been derived. This also checks, whether the
routing area matches.

This is similar to the old behaviour removed by the commits
"sgsn: Only look at TLLIs in sgsn_mm_ctx_by_tlli" and
"sgsn: Remove tlli_foreign2local", except that this will only
be done for RA UPDATE REQUESTs now.

Sponsored-by: On-Waves ehf
2016-02-22 10:52:08 +01:00
Jacob Erlbeck d35957a7d9 sgsn: Change handling of missing mmctx in gsm48_rx_gmm_ra_upd_req
Currently the MM context is just overwritten by a call to
sgsn_mm_ctx_by_tlli(msgb_tlli(msg), &old_ra_id) even if it
has already been found by using the BSSGP info. With the changes
made to sgsn_mm_ctx_by_tlli this will never find a MM context if
the routing area has changed. If the routing area has not changed,
the mmctx has already been found if it exists.

This commit splits searching for an MM context (if it hasn't been
found already) from checking, whether a found one can really be
used. The actual search is removed, so that the MS will be forced to
restart the attach procedure, which is less efficient but safe.

Sponsored-by: On-Waves ehf
2016-02-22 10:52:08 +01:00
Jacob Erlbeck d58c033305 sgsn: Only look at TLLIs in sgsn_mm_ctx_by_tlli
Currently the code also matches the TLLI against LOCAL and FOREIGN
mappings of the P-TMSI, thus eventually finding MM contexts not
consistent with the TLLI (both tlli and tlli_new differ). On
the other hand, tlli_new is not checked at all.

This commit changes the function to only look at mmctx->tlli,
mmctx->tlli_new, and the routing area.

Sponsored-by: On-Waves ehf
2016-02-22 10:52:08 +01:00
Jacob Erlbeck e7bcdc3bda sgsn: Make ra_id_equals available as gprs_ra_id_equals
The function is moved to gprs_utils.c, renamed, and made non-static
to be usable in other modules, too.

Sponsored-by: On-Waves ehf
2016-02-22 10:52:08 +01:00
Jacob Erlbeck 3fbf0a3735 sgsn: Remove tlli_foreign2local
Currently foreign TLLI are sometimes mapped to local TLLI in the
hope that they will match. This seems to sometimes introduce
inconsisties, possibly leading to a failing assertion in
_bssgp_tx_dl_ud.

This mapping should probably reduce the allocation of additional
LLME during routing area changes.

This commit removes tlli_foreign2local.

Sponsored-by: On-Waves ehf
2016-02-22 10:52:08 +01:00
Ruben Undheim 2259c7528e Patch to make openbsc find libsmpp34
This patch lets the build script for openbsc find the libsmpp34 installation
with the help of pkg-config instead of assuming the header files are in
/usr/include.
2016-02-18 19:39:32 +01:00
Harald Welte 28e9f60404 rename ipaccess-find into abisip-find
The tool is not used only to find ip.access devices, but used to find
any Abis/IP implementing devices, including those supported by OsmoBTS.
2016-02-18 11:15:16 +01:00
Holger Hans Peter Freyther e9f420d487 msc: Remove oversimplified todo entry and add a comment
Add a comment of why we want to accept this connection anyway.
2016-02-10 10:42:20 +01:00
Holger Hans Peter Freyther 8239e063b9 gsm0408: Provide unique strings for the gsm 04.08 message
At Rhizomatica we see that some GSM 04.08 messages are leaked and
have no other indication if that is Call Control, SMS or something
else.
2016-01-30 09:57:49 +01:00
Neels Hofmeyr 34cf923704 remove src/libgb/Makefile.am
libgb has been obsolete for years, but the Makefile.am is still there.
src/Makefile.am does not list it as a subdir, so it's just dangling legacy.
2016-01-28 11:51:21 +01:00
Neels Hofmeyr 9c4f1d6fd0 fix bsc_vty out: timeslot indented too deeply.
In 'show running-config', timeslot appears as a sub-element of rsl, but it is a
direct child of trx. Fix the timeslot section in vty_out by removing one space
of idention.

Adjust various config examples.

Rationale: it's not relevant for function, but confuses human operators. Fixing
it will save the next hacker some time.
2016-01-28 11:45:51 +01:00
Alexander Huemer 1bf8617610 gprs: use libgtp cflags 2016-01-26 11:05:14 +01:00
Holger Hans Peter Freyther de76661cf3 gtphub: Fix use after free on failure
Even if fclose fails the stream is inaccessible and the second fclose
might cause memory violation.

Linux manpage says:
Upon  successful  completion 0 is returned.  Otherwise, EOF is returned
and errno is set to indicate the error.  In either case any further
access (including another call to fclose()) to the stream results in
undefined behavior.

Fixes: CID#57958
2016-01-23 10:28:09 +01:00
Holger Hans Peter Freyther f9f44901a2 db: Avoid undefined behavior when copying cm2/cm3 from the db
memcpy has both the source and destination marked as non-null and
we were still passing NULL (with a zero size) to it. While this
makes sense it violates the constraints of the function. Add the
check to see if these values are NULL or not.

+db.c:583:2: runtime error: null pointer passed as argument 2, which is declared to never be null
+    #0 0x40d7f7 in get_equipment_by_subscr (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40d7f7)
+    #1 0x40f6d2 in db_get_subscriber (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40f6d2)
+    #2 0x40bfaa in sms_from_result_v3 (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40bfaa)
+    #3 0x40c847 in update_db_revision_3 (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40c847)
+    #4 0x40cbc3 in check_db_revision (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40cbc3)
+    #5 0x40cf85 in db_prepare (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40cf85)
+    #6 0x406f18 in main /home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test.c:179
+    #7 0x7fd625638a3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x20a3f)
+    #8 0x405598 in _start (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x405598)
+
+db.c:590:2: runtime error: null pointer passed as argument 2, which is declared to never be null
+    #0 0x40da23 in get_equipment_by_subscr (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40da23)
+    #1 0x40f6d2 in db_get_subscriber (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40f6d2)
+    #2 0x40bfaa in sms_from_result_v3 (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40bfaa)
+    #3 0x40c847 in update_db_revision_3 (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40c847)
+    #4 0x40cbc3 in check_db_revision (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40cbc3)
+    #5 0x40cf85 in db_prepare (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x40cf85)
+    #6 0x406f18 in main /home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test.c:179
+    #7 0x7fd625638a3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x20a3f)
+    #8 0x405598 in _start (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/openbsc/openbsc/tests/db/db_test+0x405598)
2016-01-23 09:21:04 +01:00
Holger Hans Peter Freyther fec29ab4e9 gtphub: Make the two setter static as well
Same as with the previous gtphub commit. Make these static to deal
with the new semantic of inline in gcc5.
2016-01-22 23:36:22 +01:00
Holger Hans Peter Freyther 91e0e1b038 gtphub: Fix compilation using gcc5
The semantic of inline has changed and we need to make it static
to not end up with undefined references.
2016-01-22 23:32:36 +01:00
Holger Hans Peter Freyther 5cb480a4c0 bsc/vty: Provide a hint of available input 2016-01-15 15:05:42 +01:00
Neels Hofmeyr cdc548cb0a gtphub VTY: add newlines to some VTY docs' final lines 2015-12-14 16:11:47 +01:00
Neels Hofmeyr 69a720f3be gtphub VTY: fix doc strings for show cmds 2015-12-14 15:52:01 +01:00
Harald Welte 0a8cf32a48 indicate the GSM 04.08 channel mode in 'show lchan' 2015-12-12 21:43:16 +01:00
Harald Welte 53d51f501c mncc: introduce 'struct gsm_mncc_bridge' for MNCC_BRIDGE
When a MNCC handler wants to issue the MNCC_BRIDGE primitive
overt the MNCC interface, this was not possible so far via the
MNCC socket.   This primitive was so far only available from the
internal MNCC handler, more or less by accident I suppose.  The reason
for this is in the way the array of two call references had been passed
into mncc_tx_to_cc().
2015-12-12 21:43:16 +01:00
Harald Welte da8a19fec0 mncc.c: Convert mncc_names[] to 'struct value_string' 2015-12-12 21:43:16 +01:00
Neels Hofmeyr 36948bf7c7 gtphub: log: limit length of hex dumps.
The debug log prints the received/sent bytes in hex. When this data surpasses
the buffer size available for the log string (4096), the log is truncated
and lacks a newline character. Limit the amount of dumped bytes to 1000.

Sponsored-by: On-Waves ehi
2015-12-08 12:21:15 +01:00
Neels Hofmeyr 4d2b3ff6a2 gtphub: add VTY show for peers and peer stats.
Sponsored-by: On-Waves ehi
2015-12-07 13:37:28 +01:00
Neels Hofmeyr d010c49407 gtphub: improve handling of restarted peer.
Handle peer restart earlier, so that all the tunnels are deleted by the restart
code path, instead of the first one being deleted due to reused TEI. That
caused confusing logging messages.

Also, when receiving Delete confirmations from the peer that didn't restart,
don't complain about unknown peer, but acknowledge and remove the half
invalidated tunnel. This means that the pending delete entry from the restart
code path is not needed / not used, so don't bother to add pending delete
entries upon peer restart.

The test test_peer_restarted_reusing_tei() hits the situation where a tunnel is
removed because of a reused TEI rather than the restart counter. Adjust the
test to expect the "out-of-band" delete request earlier on, and to still see
the half invalidated tunnel around. Enhance the test by adding the delete
response from the peer that didn't restart, and add a final tunnels_are()
verification.

Sponsored-by: On-Waves ehi
2015-12-07 13:37:15 +01:00
Neels Hofmeyr bee75969cc gtphub: log most common message type names.
Sponsored-by: On-Waves ehi
2015-12-07 13:37:13 +01:00
Neels Hofmeyr ee07e4f75d gtphub: simplify/fix: one TEI mapping per tunnel.
Because the sender is known, one unique TEI per tunnel suffices to map the TEIs
that the peers are sending to gtphub, instead of previously 4 (SGSN<->GGSN
interaction on User and Ctrl plane, where each had an own unique TEI).

Also, previously, a tunnel's endpoints should also have been checked against
each other for TEI reuse, not only against the endpoints of other tunnels. This
simplification fixes that problem for free.

Thus simplify TEI reuse detection and improve VTY show readability and
debugging.

Adjust log and VTY output for tunnels.
Adjust tests accordingly.

Suggested-by: Holger Hans Peter Freyther <holger@moiji-mobile.com>
Sponsored-by: On-Waves ehi
2015-12-07 13:37:11 +01:00
Neels Hofmeyr f6e4d08219 gtphub: fix: when checking TEIs, skip 0.
Sponsored-by: On-Waves ehi
2015-12-07 13:37:10 +01:00
Neels Hofmeyr 328d2f78c1 gtphub: log: add TEI reuse msg, fix another TEI msg.
Sponsored-by: On-Waves ehi
2015-12-07 13:37:09 +01:00
Neels Hofmeyr ee1e5d758e gtphub: log: add side str to msg for reused TEI
Sponsored-by: On-Waves ehi
2015-12-07 13:37:06 +01:00
Neels Hofmeyr e38fb66f4b gtphub: add more detailed I/O rate counters.
Count bytes and packets per peer port, as well es per tunnel enpoint, which
adds two more levels of detail.

Sponsored-by: On-Waves ehi
2015-12-07 13:37:05 +01:00
Neels Hofmeyr 956d856b61 gtphub: be strict about unknown cmdline args
Sponsored-by: On-Waves ehi
2015-12-07 13:37:04 +01:00