Commit Graph

3760 Commits

Author SHA1 Message Date
Harald Welte 0ad2382131 configure.ac: Depend on libosmocore 0.7.0 2014-08-21 15:56:00 +02:00
Harald Welte 74d4adcbba libctrl: Follow rename of controlif_setup -> ctrl_interface_setup 2014-08-21 15:34:28 +02:00
Harald Welte 02cc2b668a libctrl: Move bulk of node lookup code into libosmocore
Now that the bulk of the control interface node lookup has
no reference to the BSC specific data structures, we are
moving it into libosmocore.

A control interface user now only registers an optional small
node lookup function like bsc_ctrl_node_lookup()
2014-08-21 15:34:28 +02:00
Harald Welte a67455f8d8 ctrl_if: Split bsc_ctrl_cmd_handle() in two parts
The idea here is that bsc_ctrl_cmd_handle now has no dependency
at all to the BSC related data structures and thus can actually become
part of libctrl.

The new function bsc_ctrl_node_lookup however will remain bsc-specific.
2014-08-21 15:34:28 +02:00
Harald Welte ba874b82be move libctrl from openbsc to libosmoctrl (libosmocore.git) 2014-08-21 15:34:28 +02:00
Daniel Willmann 0e167fc974 systemd: Add Install section to service files
That way the services can be enabled with
> systemctl enable <service>
2014-08-21 10:19:50 +02:00
Harald Welte 248b38539d Fix control interface build after IPA rename/migration 2014-08-21 00:28:55 +02:00
Harald Welte 4a88a49c03 adopt recent IPA related symbol rename
... which happened during recent migration of IPA functionality from
libosmo-abis into libosmocore.
2014-08-20 23:47:56 +02:00
Harald Welte eb62301938 ipaccess-proxy: avoid namespace collision with libosmo-abis 2014-08-18 22:49:50 +02:00
Jacob Erlbeck 948b730fea gbproxy: Fix warnings (signed/unsigned)
Adresses:
gbproxy_test.c:1288:17: warning: comparison between signed and
unsigned integer expressions [-Wsign-compare]

Sponsored-by: On-Waves ehf
2014-08-13 11:22:03 +02:00
Jacob Erlbeck 5e68ecf3b2 gbproxy: Pass tlli_info around
This patch modifies the code to pass a pointer to the tlli_info
around once it has been acquired. To achieve this,
gbprox_register_tlli() and gbprox_update_state() are modified to
return it (if it has been found or created), and gbprox_patch_llc(),
gbprox_patch_bssgp(), and gbprox_update_state_after() are modified to
take it as parameter.

Add a new function gbprox_touch_tlli() to update timestamp and list
ordering for existing tlli_infos.

The motivation behind this patch is to make the tlli_info available to
the patching code and to avoid repeated searches for the same TLLI.

Sponsored-by: On-Waves ehf
2014-08-13 11:14:08 +02:00
Jacob Erlbeck 2dec9851bd gbproxy: Optimize gbprox_remove_stale_tllis
The current implementation of this function is O(N), where N is the
number of entries.

The new implementation is O(D), where D is the number of entries that
are going to be deleted.

Sponsored-by: On-Waves ehf
2014-08-13 10:42:27 +02:00
Jacob Erlbeck f494620c55 gbproxy/test: More TLLI expiry testing
This patch adds a combined expiry test to remove one entry by list
length and another by age.

This patch also modifies the existing age based test to register both
TLLI with a different timestamp and to remove only one of the TLLI
entries by age based expiration.

Sponsored-by: On-Waves ehf
2014-08-13 10:42:27 +02:00
Jacob Erlbeck 7b821d031a gbproxy: Don't call time() in TLLI related functions
Currently time() is called at several places to control TLLI aging.
Beside calling time() more often than necessary, the decision which
timesource is to be used is coded into the TLLI handling, and testing
complex aging scenarios is cumbersome.

This patch passes the current time as a parameter instead. The call
to time() is moved to gbprox_process_bssgp_message().

Sponsored-by: On-Waves ehf
2014-08-13 10:42:27 +02:00
Jacob Erlbeck aad32bccc0 gbproxy: Don't remove stale TLLI automatically
This patches removes the call to gbprox_remove_stale_tllis()
from gbprox_register_tlli(), so it must be called explicitly now.
The call is now done from within gbprox_update_state_after().

In addition, the TLLI cache size counter is also kept in sync when
gbprox_remove_stale_tllis is called manually. The call to
gbproxy_peer_free() in gbproxy_peer_free() is moved behind the TLLI
to allow for counter updates in gbprox_delete_tlli().

Sponsored-by: On-Waves ehf
2014-08-13 10:42:26 +02:00
Jacob Erlbeck 12828c1b30 gbproxy: Move parse_ctx logging into separate function
Sponsored-by: On-Waves ehf
2014-08-13 10:42:26 +02:00
Jacob Erlbeck c812882dbf gbproxy: Refactor gbproxy_patch_bssgp_message
This patch refactors that function by separating the actual patch
code into a new function gbproxy_patch_bssgp(), similar to
gbproxy_patch_llc(). The remaining function is renamed to
gbproxy_process_bssgp_message. The existing function
gbproxy_parse_bssgp_message() is renamed to
gbproxy_process_bssgp_message to match gbproxy_parse_llc.

Sponsored-by: On-Waves ehf
2014-08-13 10:42:26 +02:00
Jacob Erlbeck 291f0508c5 gbproxy: Test and fix IMSI/TMSI matching
This adds a test for gbprox_set_patch_filter() and
gbprox_check_imsi().

It also fixes the masking of the type field when IMSIs are checked by
using GSM_MI_TYPE_MASK (0x07) instead of 0x0f.

Sponsored-by: On-Waves ehf
2014-08-13 10:41:23 +02:00
Jacob Erlbeck 89d3d343d1 gbproxy: Track TLLI even when the IMSI is not known
Currently only TLLIs for which it is known that they may be patched
are put into the TLLI list.

This patch changes this to add TLLIs even when the IMSI is not yet
known. A enable_patching flag is added to the gbproxy_tlli_info
structure to control patching.

Note that this puts every active TLLI into the list where accesses
are O(N) currently.

Sponsored-by: On-Waves ehf
2014-08-13 10:29:09 +02:00
Jacob Erlbeck 58da91d5d0 gbproxy: Make pointers to MI const in parse/check functions
The encoded mobile identity will never be modified in
is_mi_tmsi/is_mi_imsi/parse_mi_tmsi, thus the pointer is made const.

Sponsored-by: On-Waves ehf
2014-08-13 09:57:26 +02:00
Jacob Erlbeck fb22ac52b0 gbproxy: Explicitly convert PTMSI to TLLI
This patch modifies the new_ptmsi handling by setting its two most
significant bits before using it as TLLI.

Sponsored-by: On-Waves ehf
2014-08-13 09:57:25 +02:00
Jacob Erlbeck 690768a171 gbproxy: Parse additional IMSI/PTMSI/TLLI fields
This adds parsing support for the following messages:
  - Attach Request: IMSI/PTMSI
  - Identity Response: IMSI/PTMSI
  - BSSGP: Optional TLLI IE
  - BSSGP/PAGING_PS: PTMSI

A new new_ptmsi_enc field is added for newly assigned PTMSI in
SGSN->BSS messages (instead of ptmsi_enc). The ptmsi_enc field is now
used for informational PTMSI IE in messages.

Sponsored-by: On-Waves ehf
2014-08-13 09:55:27 +02:00
Jacob Erlbeck 2db2512f4d gbproxy: Separate BSSGP parsing from patching
This adds a gbprox_parse_bssgp_message() function that contains the
parsing part of the former gbprox_patch_bssgp_message(). This
includes a call to gbprox_parse_llc().

The calls to gbprox_patch_llc(), gbprox_update_state() and
gbprox_update_state_after() have therefore been moved to
gbprox_patch_bssgp_message().

Sponsored-by: On-Waves ehf
2014-08-12 19:32:26 +02:00
Jacob Erlbeck 2bdd253d54 gbproxy: Unify TLLI tracking
This patch unifies the TLLI tracking for all LLC messages. The TLLI
state handling is moved into separate functions.

Only Detach Accept messages are taken into account to release a TLLI,
which is safe but not optimal.

Sponsored-by: On-Waves ehf
2014-08-12 19:30:48 +02:00
Jacob Erlbeck 0cee7ad2bf gbproxy: Move patching code out of the 04.08 specific functions
Currently, parsing and optionally patching is done in the same
functions (e.g. gbprox_patch_gmm_attach_req()).

This patch moves the patching code out of these functions into
gbprox_patch_llc() and just stores pointers to the relevant data
areas into parse_ctx. Consequently the len_change parameter is
removed and the _patch_ in the function's names is renamed to
_parse_. In addition, the patching_is_enabled checks and counter
increments are moved out of these functions, too.

Sponsored-by: On-Waves ehf
2014-08-12 19:29:12 +02:00
Holger Hans Peter Freyther 2c6b59ca6a sysmobts: Add variable for N(S) + 1 needed for the sysmobts
We could use the upper three bits of the ciph_state to store the
sequence number but make the code understandable first.
2014-08-09 09:43:53 +02:00
Holger Hans Peter Freyther 93dfa24f42 bsc: Add a ctrl command to send a ussdNotify for a call
Send a non-call related SS message for an active call indentified
by the CIC of that call. As an ugly hack the order of the SS
release and the invocation are changed. That was necessary for the
E71 on a TCH. The time between notify and release was just too short.
The right would be to wait for the returnResultLast but this would
involve keeping more local state. Let's see how far we get here. It
might be necessary to change the order in the other call sites as
well.
2014-08-08 21:17:36 +02:00
Holger Hans Peter Freyther 350de9fe80 ctrl: Allow the value to contain spaces. No need to split the string 2014-08-08 21:17:35 +02:00
Jacob Erlbeck da4b492f56 gbproxy/test: Fix BSSGP RESET message size
The given msg array size doesn't match the initializer's size.

Sponsored-by: On-Waves ehf
2014-08-08 09:21:45 +02:00
Jacob Erlbeck 477c69a9c5 gbproxy: Track all TLLIs (not only LOCAL)
This patch removes all checks for the TLLI type.

Sponsored-by: On-Waves ehf
2014-08-08 08:50:14 +02:00
Holger Hans Peter Freyther b773fbf335 sgsn: Make P-TMSI a local TLLI to avoid clash
Some broken equipment does not convert the P-TMSI to a Local TLLI.
This leads to the SGSN ignoring the GPRS Attach Complete message
from the phone. Proprietary SGSNs and some documentation we found
state that one should always set the two highest bits of a P-TMSI
to one. This will help broken equipment and will avoid a potential
P-TMSI/TLLI clash. The P-TMSI/Local TLLI mapping is now bijective.
2014-08-05 15:20:23 +02:00
Jacob Erlbeck 58cf664d28 gprs: Refactor gbprox_register_tlli()
Currently gbprox_register_tlli() is a rather complex function.

This patch splits it into several smaller functions to ease reviewing
and maintaining it.

Sponsored-by: On-Waves ehf
2014-08-05 15:11:11 +02:00
Holger Hans Peter Freyther 0196c9936c gbproxy/test: Test TLLI expiry
This adds a unit test for gbprox_register_tlli() and
gbprox_remove_stale_tllis().

The dump_peers() function is extended by a cfg parameter to support
a non-global gbproxy_config.

Done with Jacob
2014-08-05 15:02:06 +02:00
Jacob Erlbeck d8a7e22709 gbproxy: Remove broken TLLI comparison
This comparison bit-ored the TLLI with 0xc000 instead of 0xc000000.

Since this has never worked properly yet and since normalizing to
local TLLIs doesn't seem sensible here, the comparison is removed
entirely.

Sponsored-by: On-Waves ehf
2014-08-04 17:13:17 +02:00
Holger Hans Peter Freyther 3fa26448d1 gbproxy: Kill the global gbprox_global_patch_state struct
Move this patching state into the gbproxy_config as well.

Done by Jacob
2014-08-04 16:27:11 +02:00
Holger Hans Peter Freyther 3748ada073 gbproxy: Add a hint to the compiler that all parameters are not NULL
In these functions we assume that peer is not NULL. Add a compiler
attribute in the hope that either coverity or GCC/Clang will help
us to find a misusage.

Done with Jacob
2014-08-04 16:06:20 +02:00
Holger Hans Peter Freyther eece627799 gbproxy: Remove global state from the gbproxy
Global state prevents us from writing simple units tests for
single routines. Go through the code and add pointers to the
gbproxy configuration. Only the vty and the test code remain
using the global gbproxy instance.
2014-08-04 16:01:12 +02:00
Holger Hans Peter Freyther fa7a8bc6eb gprs: The methods moved to gprs_utils.h remove them here
Stop declaring the apn routines in here.

Done with Jacob
2014-08-04 15:44:21 +02:00
Holger Hans Peter Freyther ce1b22e817 gprs: Add testcases for the APN string/octet conversion and fix it
Create a testcase for the gprs_str_to_apn and gprs_apn_to_str
routines. While writing the testcase we noticed it is possible to
write more bytes than should have been allowed. This is fixed by
checking that the max_len is at least 1 (needed to write the first
length octet) and to do the size check before writing to the output.

Modify the signature of gprs_str_to_apn to put the length/size next
to the parameter that requires a size.

Done with Jacob
2014-08-04 15:00:54 +02:00
Holger Hans Peter Freyther 4d9fc422d2 gbproxy: Use gbprox_delete_tlli if possible
Make use of the delete routine in more places and get test coverage
for it.

Done with Jacob
2014-08-04 12:18:07 +02:00
Holger Hans Peter Freyther 7127b0295e gprs: Create a gprs_utils file and move to be shared code in there
We intend to move some of these routines to libosmocore but to avoid
a feature symbol clash we are prefixing these routines with gprs_.

Done with Jacob
2014-08-04 11:52:52 +02:00
Holger Hans Peter Freyther 1ddd9e518e gbproxy: Use gbproxy_ for all structures
The application is called gbproxy but the structures and functions
were inconsistently named as either gbprox or gbproxy. Rename all
structures to use gbproxy.

Done with Jacob
2014-08-04 11:37:50 +02:00
Holger Hans Peter Freyther b900459e96 gbproxy: The dump routines are only used by the test, move it there
Done with Jacob
2014-08-04 11:37:47 +02:00
Holger Hans Peter Freyther 16f30b5373 gbproxy: Have a clear namespace for the public functions
Done with Jacob
2014-08-04 11:37:45 +02:00
Holger Hans Peter Freyther a7027a04dd gbproxy: Remove the global rate counter and place it in the config
Move the global data into the struct and use it. gbprox_reset will
first free data and then re-initialize the structure. This code is
used by the unit test.

Done with Jacob
2014-08-04 11:37:40 +02:00
Holger Hans Peter Freyther d4d36f22ee gbproxy: Correct the method name. We work on TLLIs
Done with Jacob
2014-08-04 11:37:33 +02:00
Holger Hans Peter Freyther 18739ea32d gbproxy: Move the VTY code into the vty file and create public API
Create public accessors to the core of the peer to allow to
simplify the test and separate concerns.

Done with Jacob.
2014-08-04 11:37:28 +02:00
Andreas Eversberg 035b874fdf MNCC: Add IMSI to CALL CONFIRM message
LCR requires IMSI to correlate calls for MPTY (multi party conference)
and ECT (call transfer).
2014-08-04 08:59:16 +02:00
Andreas Eversberg 723a751e5f dyn PDCH: Cleanup of rsl_chan_activate_lchan() and users
Timing advance is stored inside lchan structure, so it is removed from
arguments. This is useful, if other actions are required prior calling
rsl_chan_activate_lchan. (like deactivating PDCH first)

The "shifted TA value" that is required by BS11 is now calculated inside
rsl_chan_activate_lchan and not by each user.

[Rebased by Holger. So some hunks were skipped as the patch
depended on Jolly's HO code]
2014-08-04 08:59:16 +02:00
Harald Welte 1011d5b505 vty: Fix interactive VTY help for silent-sms transmission 2014-08-02 09:58:52 +02:00