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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.
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AUTH_NOT_AVAIL == 0, so this is no functional change.
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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[].
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Test two situations for AUTH_DO_AUTH_THEN_CIPH:
- when no auth tuple is available
- when the key sequence from LU is marked invalid
Add convenience auth tuple comparison function using stringification.
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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].
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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.
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This reverts commit 044fbe6568f82a12bf4e3addc7e3d6db529b6548.
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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>
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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,
^
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The function assumed an MM protocol discriminator without verifying it.
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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.
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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.
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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.
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Add due assertions of return value validity, otherwise leading to segfaults.
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This allows using sqlite3 v3.7.13, used by our current debian installation in
the test setup. _v2 was added in v3.7.14.
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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.
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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.
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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.
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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'.
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The old -m option without argument is still available and marked deprecated,
to not make users' lives more difficult than necessary.
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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.
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Kills two compiler warnings.
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Kills a compiler warning.
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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"
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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
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This test add different cases of routing area changes.
Sponsored-by: On-Waves ehf
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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
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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
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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
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The BSSGP cell identifier is used to get the RA for the TLLI lookup.
The send_0408_message function used in the tests does not set this,
so the RA identifier is always 0-0-0-0.
This commit adds a parameters to pass the RAID and adds missing
dummy RAIDs.
Note that the CI can still not be set and thus is always 0.
Sponsored-by: On-Waves ehf
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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
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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.
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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.
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Add a comment of why we want to accept this connection anyway.
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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.
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OsmoNITB stated to include BTS, should be BSC. Reword some outdated
statements. Add OsmoCSCN and mention IuCS and IuPS interfaces.
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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.
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