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2020-05-13WIP: gb: disable failing gprs-ns tests temporarilyfairwaves/ip-gbKirill Zakharenko1-5/+5
2020-05-13WIP: gb: Standard-compliant Static Gb over IPAlexander Chemeris1-15/+40
The current implementation of the Gb over IP in Osmocom is derived from the ip.access implementation of it, which is a "weird combination of Gb over FR and Gb over IP" in that it runs over UDP/IP but uses procedures like NS-RESET and NS-BLOCK which are only specified for Gb over FR. This makes it impossible to use OsmoPCU and OsmoGbProxy with standard SGSNs like from Huawei in "Static IP-GB" mode (i.e. without SNS procedure). This patch is a hack to remove NS-RESET procedure and use NS-ALIVE to setup an NS link and keep it open. One could argue that SNS is a much better way and should be used instead of the old "static" config but in pratical installations you do ant to use osmo-gb-proxy to aggregate multiple links and it doesn't support SNS yet. So using this hack is the easiest way to get multiple OsmoPCU's to connect to a standrd-compliant SGSN. NOTE: This patch is a quick hack and lacks any unit-testing or configuration. Change-Id: I1b1b28913488a40e4fceb65e646c3d89e8a431a4
2020-05-12gsm0808: Fix encoding of the SAPI_N_REJECT BSSMAP message.Alexander Chemeris2-3/+3
See TS 08.08 section 3.2.1.34 SAPI "n" REJECT: 1) DLCI is a TV element, not V. 2) Cause is a TLV element and we have a special function to encode it. Change-Id: I033afe556c06427d06ac55c4f78854a45e41aae6
2020-05-11Drop old BSC references in fd check configure optionPau Espin Pedrol2-3/+3
Change-Id: I053c2bfe461aa82085e7dac1cdcc95dd77219949
2020-05-10statsd: fix rendering for groups with idx==0Kirill Zakharenko1-14/+6
while skipping `0` might be visually pleasant for non-repeating groups, e.g.: bsc.assignment.completed it makes metrics parsing very awkward for repeating groups, e.g.: bts.chreq.total bts.1.chreq.total bts.2.chreq.total and since nobody's going to look at raw statsd stream anyway, we can live with some extra zeroes Change-Id: Id294202fbcebe0b6b155c7f267b2da73af20adf4
2020-05-09stats: Change timer to timerfd to make it a true interval timer.Alexander Chemeris1-7/+37
Previously the interval between stats flushes would slowly increase which would lead to reporting time jitter and confuse a timescale database. Change-Id: I23d8b5157ef8a9833ba16a81d9b28a126f303c30
2020-05-09stats: Support regular stats flushAlexander Chemeris3-1/+59
Reliable monitoring requires regular flush of all stat values, even if they have not changed. Otherwise (1) the monitoring app has to maintain state and (2) can go out of sync if it's restarted while the app is still running. Change-Id: I04f1e7bdf0d6f20e4f15571e94191de61c47ddad
2020-05-09stats: Fix documentation for osmo_stats_set_interval()Alexander Chemeris1-2/+1
Change-Id: Ie07a03251d6fe9d40b62815feb51ec8af9ed7c95
2020-05-09stats: Move cfg_stats_interval_cmd() function.Alexander Chemeris1-18/+17
cfg_stats_interval_cmd() function was (probably mistakenly) inserted between cfg_stats_reporter_statsd_cmd() and cfg_no_stats_reporter_statsd_cmd() function which makes no sense. Move it below the cfg_no_stats_reporter_log_cmd() to follow the order of the osmo_stats_vty_add_cmds() function calls. Change-Id: I1ecec7025e95cf5ffc21ae3b1c75cf6da8c58de2
2020-05-09select: Fix typo in a comment Osmcoom->OsmocomAlexander Chemeris1-1/+1
Change-Id: I6fb4d20d149abc724d477420b5eba482a0b63259
2020-05-05sim: When decoding SW, take application specific SW into accountHarald Welte4-21/+46
So far we only looked at SW definitions of the card profile. However, if we have a currently selected application, we also must check that application for SW definitions. This breaks ABI and API all over the place, but as there are no known users beyond osmo-sim-test, this is acceptable. Change-Id: I3a1d60898529c173f73587e34c155660ba5f5fb1
2020-05-05rest_octets: fix encoding of 3G Early Classmark Sending RestrictionVadim Yanitskiy1-2/+2
Change-Id: I6df515a00518fabb3eb8f65054addd3aead14bfe Relates: OS#3075
2020-05-02gsm_29_118.h: Fix compilation with gcc-10Harald Welte1-1/+1
this causes problems when compiling user applications /usr/bin/ld: ../../src/libvlr/libvlr.a(vlr_lu_fsm.o):/usr/local/include/osmocom/gsm/protocol/gsm_29_118.h:184: multiple definition of `sgsap_ie_tlvdef'; msc_main.o:/usr/local/include/osmocom/gsm/protocol/gsm_29_118.h:184: first defined here Change-Id: Iaa1d36c7a9bb64aa84ee85fa3e40f6b3560fe693
2020-05-01configure.ac: Fix HAVE_CLOCK_GETTIME undef when func in -lrtPau Espin Pedrol1-2/+4
AC_SEARCH_LIBS was finding the function correctly, but later on AC_CHECK_FUNCS was not including the found LIBRARY_RT so the function was not found, and hence HAVE_CLOCK_GETTIME ended up undefined (which in turns disables support for osmo_clock_gettime() API). This happened in systems like the soekris where the clock_gettime sybmol is available in external lib -lrt. Let's avoid double-checking for the function twice, and simply define HAVE_CLOCK_GETTIME when AC_SEARCH_LIBS succeeds (the success action is guaranteed to be called even if there's no extra lib required). Change-Id: Iced1e0542cee6beb9f08f5299aad49fab142cfb4
2020-04-28gsm_04_06.h: Remove repeated egprs header struct definitionsPau Espin Pedrol1-153/+0
Each struct already contains different definition based on endianess, so there's no reason to re-define all of them again based on endianess. Probably at some point somebody run the script ./contrib/struct_endianess.py on those structures but forgot to remove the old way of supporting differnet endianess. Change-Id: Ibd002e52979950e09013767fa643b2a3c52dfea9
2020-04-20gsm0503_parity: Fix compilation with gcc-10Harald Welte1-10/+10
/usr/bin/ld: .libs/gsm0503_coding.o:/home/laforge/projects/git/libosmocore/src/coding/../../include/osmocom/coding/gsm0503_parity.h:16: multiple definition of `gsm0503_mcs_crc12'; .libs/gsm0503_parity.o:/home/laforge/projects/git/libosmocore/src/coding/../../include/osmocom/coding/gsm0503_parity.h:16: first defined here Change-Id: I15945bbf59c873e50154c40fed0ba3d6b4d7c399
2020-04-19timerfd: call osmo_fd_unregister() when closing on read errorHarald Welte1-0/+1
Change-Id: I8513126286083ebf02d14043cf072c8297878dd7
2020-04-19timer.c: make timers thread safeEric1-3/+3
This is implicitly used by the libosmocore select abstraction, which might be used in multiple threads at the same time. Change-Id: I5a3802c94af6ff0315f1553f20870342d51ce726
2020-04-18select.c: Introduce support for signalfdHarald Welte3-1/+78
The signalfd(2) mechanism of Linux allows signals to be delivered and processed via normal file descriptor I/O. This avoids any of the usual problems about re-entrancy of signal processing, as signals can be processed from the osmocom select() loop abstraction just like any other event. Change-Id: If8d89dd1f6989e1cd9b9367fad954d65f91ada30
2020-04-18exec: Introduce osmo_system_nowait2() to allow specify a userHarald Welte2-2/+49
For a process running as root, it may be desirable to drop privileges down to a normal user before executing an external command. Let's add a new API function for that. Change-Id: If1431f930f72a8d6c1d102426874a11b7a2debd9
2020-04-17tests/coding_test: Fix test_pdtch() resultsPau Espin Pedrol2-29/+30
When switching the l2 structures passes to test_pdtch() to be constant, it was noted that output of the test changes. This happens because same array is tested several times with different length, incrementing each time. Since the test was modifying the input array directly, it means each new run of test_pdtch() the array was further modified. Upon constifying the structures, we copy the array and hence only modify the required bits each time. Change-Id: Iffd0ca3669eb8d0d2e80d754fc8acbf72f1bebe8
2020-04-17tests/coding: Test decoding of DL EGPRS data packetPau Espin Pedrol2-28/+106
Change-Id: Ide23a484b980995f24092d1cfbf062aed58fdf61
2020-04-17ports.h: Add 4268 for UECUPS VTYHarald Welte1-0/+1
Change-Id: I6c53654f06fac6b6b196be88178a918d38e91e46
2020-04-14dtx: add decoding for AMR-DTX framesPhilipp Maier11-1/+702
gsm0503_coding contains AMR decoder functions for HR and FR. Those can only decode AMR payload frames but not amr DTX frames. Lets add functionality to detect DTX frames. Also lets add decoding for SID_UPDATE frames as well as error checking for the SID frame recognition patterns. Related: OS#2978 Change-Id: I2bbdb39ea20461ca08b2e6f1a33532cb55cd5195
2020-04-11configure.ac: fix libtool issue with clang and sanitizerEric1-0/+5
As pointed out at https://github.com/libexpat/libexpat/issues/312 libtool does not play nice with clang sanitizer builds at all. For those builds LD shoud be set to clang too (and LDFLAGS needs the sanitizer flags as well), because the clang compiler driver knows how linking to the sanitizer libs works, but then at a later stage libtool fails to actually produce the shared libraries and the build fails. This is fixed by this patch. Addtionally LD_LIBRARY_PATH has no effect on conftest runs during configure time, so the rpath needs to be set to the asan library path to ensure the configure run does not fail due to a missing asan library, i.e.: SANS='-fsanitize=memory -fsanitize-recover=all -shared-libsan' export CC=clang-10 ASANPATH=$(dirname `$CC -print-file-name=libclang_rt.asan-x86_64.so`) export LDFLAGS="-Wl,-rpath,$ASANPATH $SANS $LDFLAGS" Change-Id: I8ebd9c6d4efda41c7c8196f963d1f04d65160754
2020-04-07gsm0503_tables: Document USF encoding tablesPau Espin Pedrol1-0/+6
Change-Id: I596c10960bd1ff1b1ec14ad953ce5e1ed040d35a
2020-04-07gsm0503_coding: Fix USF encoding in MCS1-4Pau Espin Pedrol1-1/+1
osmo-gsm-tester raised an ASan warning in osmo-bts-trx during execution of a test with EGPRS enabled and a modem connecting to it (see OS#4483 for full trace): ==12388==ERROR: AddressSanitizer: global-buffer-overflow on address 0x7fa20b9ab8d0 at pc 0x7fa20b982894 bp 0x7ffdfea8b9c0 sp 0x7ffdfea8b9b8 READ of size 1 at 0x7fa20b9ab8d0 thread T0 #0 0x7fa20b982893 in gsm0503_mcs1_dl_interleave /home/osmocom-build/jenkins/workspace/osmo-gsm-tester_build-osmo-bts/libosmocore/src/coding/gsm0503_interleaving.c:165 Function gsm0503_mcs1_dl_interleave() was being passed the 6-bit USF encoding while clrearly expecting a 12 element array. TS 05.03 5.1.5.1.2 "USF precoding" also clearly states that 12bit encoding is to be used for MCS1-4. Fixes: OS#4483 Change-Id: I94db14de770070b17894a9071aa14391d26e776c
2020-04-07gsm0503_coding: Fix misleading comment UL vs DLPau Espin Pedrol1-1/+1
Change-Id: I563c60271e218f9953e26f9bf0304d442c6acd43
2020-04-01coding: fix bit ordering in 11-bit RACH coding functionsVadim Yanitskiy2-8/+9
According to 3GPP TS 44.004, figure 7.4a.b, the format of 11-bit RACH uplink / Uplink access burst block is as defined follows: <--------------------------------------------------- 8 7 6 5 4 3 2 1 +--------------------------------------------------+ | 11 bit RACH uplink / Uplink access burst block | OCT1 +--------------------------------------------------+ | | OCT2 +-------------------+ As was (correctly) assumed in [1], the bit ordering in 11-bit RACH coding functions is wrong. The problem is that neither of generic functions from bit16gen.h can be used to load / store the RA11 value (regardless of the endianness), because they assume that the payload is 16 bit long. With this patch applied, RA11 values from [1] look correct: < EGPRS Packet channel request message content > ::= < Signalling : 110011 < RandomBits : 00111 > > | < Signalling : 110011 < RandomBits : 00110 > > | < Signalling : 110011 < RandomBits : 01111 > > | < Signalling : 110011 < RandomBits : 01100 > > | < Signalling : 110011 < RandomBits : 00111 > > | < Signalling : 110011 < RandomBits : 10110 > > ; [1] Id80e471d252b9416217b56f4c8c0a8f5f1289fee Change-Id: I43d30611dd69f77f2b3b46f4b56056a8891d3c24 Related: OS#1548
2020-03-31tests/coding: add 11-bit Access Burst samples from a real phoneVadim Yanitskiy2-0/+60
This change adds several soft-bit (-127 .. 127) sequences containing EGPRS Packet Channel Request message (11-bit, payload only) sent by an EGPRS capable phone, and captured on the BTS/PCU side using a tool from the TRX Toolkit - trx_sniff.py. As can be seen from the test output, none of decoded RA11 values looks like a valid EGPRS Packet Channel Request message (see table 11.2.5a.2 of 3GPP TS 44.060). All test sequences contain the same message with several random bits: < EGPRS Packet channel request message content > ::= < Signalling : 110011 < RandomBits : bit (5) > >; since the phone was trying to perform Attach Request. It seems the bit order of decoded messages is somehow wrong. Change-Id: Id80e471d252b9416217b56f4c8c0a8f5f1289fee Related: OS#1548
2020-03-31coding: fix documentation of PDTCH encoding functionsVadim Yanitskiy1-2/+2
Change-Id: Ia38723fb9424551eaf5747d736ae73ab20873def
2020-03-31tests/coding: cosmetic: use ARRAY_SIZE() macro from utils.hVadim Yanitskiy1-2/+2
Change-Id: Ie6278d84d405f073669e607f978ca5b187bcf78e
2020-03-31tests/coding: reduce verbosity of 8-bit / 11-bit RACH coding testsVadim Yanitskiy2-34570/+16
We don't really need additional 1.4M of debug output, given that we test every possible 8-bit and 11-bit RA value. It's enough to print error message if the resulting value does not match. Otherwise it's hard to read the expected output without commenting the related log statements out. Note that it's still possible to re-enable verbose debug output by defining DEBUG. Change-Id: I0d5ed90cb0a2b3007d665520a73b0fa0b86a4099
2020-03-31tests/coding: check return value of encoding / decoding functionsVadim Yanitskiy1-14/+39
Change-Id: I78850a4ab2fb7cd63bb4a3789f934634b6fb2cb7
2020-03-22osmo-sim-test: Avoid double-closeHarald Welte1-4/+1
Change-Id: Ibd67a5461085a77dd9e804a4f1266d67ee91a04a Closes: CID#208960
2020-03-21sim: Add HPSIM application supportHarald Welte4-1/+79
Change-Id: I883faae5e170803b8301d10c8b9fad7892da009c
2020-03-21card_fs_{usim,isim}: Update to 15.7.0 / Release 15Harald Welte2-6/+56
Various new files and some new status words have been defined by now. Let's add them. Change-Id: Ia007281bcb61dcd8260d0a77203abeff21d5255f
2020-03-21osmo-sim-test: Also [attempt to] dump DF.GSM on USIM cardsHarald Welte3-12/+12
an USIM application can very well exist on a UICC without supporting classic DF.GSM access. However, most commonly, both are found on cards. Change-Id: I6180a3f81a7d3006e8ece4302c2433db2588bfaa
2020-03-21sim: re-structure how we support cards + applicationsHarald Welte8-122/+326
Before this change, a card application (USIM, ISIM, ...) didn't exist as a separate concept from a card profile. This meant, we had a manual combination of UICC card profile with USIM application, and another one of UICC card profile and ISIM application. But what if there's a combined USIM+ISIM? In reality, applications exist as separate objects, on top of an ETSI UICC. Lets therefore register all known applications to the osim library core, and add code to osmo-sim-test which dynamically detects all applications present on a given card (by reading EF.DIR). Change-Id: Ic4b4ac433a9976842b30a017fb0fc347d87201cd
2020-03-21sim: add osim_file_desc_find_aid()Harald Welte3-1/+21
Change-Id: I80468c8c4f4590c262019f42285e8d8fd3444f7f
2020-03-21osmo-sim-test: Optionally dump card files to host filesystemHarald Welte1-11/+97
Using the new '--output-dir' command line argument, the user can instruct osmo-sim-test to dump the file content to a local directory. osmo-sim-test will create one sub-directory per DF, and create a text file for each EF. The contents of the text files are a hexdump of the contents. Transparent EF are dumped as one line of hex, while linear fixed EF are dumped as one record per line, i.e. the number of lines corresponds to the number of records. Change-Id: I35176f4a13c3537eaa8de550e231818a22b4c07c
2020-03-21osmo-sim-test: don't print SW in successful case of dump_file()Harald Welte1-1/+0
Change-Id: Ie5a58a89052400d76a8607a2e0063917385beb25
2020-03-21osmo-sim-test: Use stderr for error messagesHarald Welte1-7/+7
Change-Id: I8f36b07b8601af2b0d54d95c3c6374d6c54bafd1
2020-03-21card_fs_sim: Avoid '/' in file namesHarald Welte1-1/+1
... as that doesn't work if we want to create a similarly-named file in the local file system. Change-Id: Ib8734e2e4b81c915ab0fbd0d9b6662275b1d33d1
2020-03-21sim: card_fs_usim.c: Fix FID of EF.EXT4Harald Welte1-1/+1
The 3GPP spec document also contains this error at one point, and it seems I copied it from there :/ Change-Id: I7ad9f491c06f6540747b77017678ee37e6a1550d
2020-03-17debian: Change python3 dependency to native archMaksim Aristov1-1/+1
This small fix enables cross compilation using dpkg-buildpackage on multiarch: https://wiki.debian.org/CrossCompiling#Building_with_dpkg-buildpackage `apt build-dep -a<arch>` incorrectly installed non-native python for building Change-Id: I85994447657cda757348855c3ee9978e8c7c2377
2020-03-16libosmosim: Build irrespective of PC/SC supportHarald Welte3-8/+14
libosmosim contains a variety of definitions and utility fuinctions useful when working with SIM card [protocol]. They can not only be used with PC/SC readers but also in other contexts. Change-Id: I741940d3dc2a5653c760e9d1597d7f08afb3b631
2020-03-13gsm690: Fix amr speech bit length tablePhilipp Maier2-3/+4
The table amr_len_by_ft represents the length of the raw AMR speech bits in bytes. The table is based on the Table found in RFC 4867 ยง3.6, Table 1, Column "Total speech bits". The number of bits is divided by 8 and then rounded up to get the number of consumed octets. An AMR SID frame (including STI and MI) takes up 39 bits, this will result in 5 octets, not in 7. Lets correct this. Related: OS#2978 Change-Id: Icf330450981b32be5d1cee5b10aa92bac4cb72f5
2020-03-10socket: Add osmo_sock_mcast_iface_set() to bind multicast to deviceHarald Welte2-0/+23
Change-Id: Ib52d22710020b56965aefcef09bde8247ace4a9c Related: OS#2966
2020-03-09conv: add convolutional coder for AMR SID UPDATE framesPhilipp Maier3-0/+28
AMR SID update frames are protected using an 1/4 convolutional coder, wich is similar to the one used with 6,7 kbit voice frames. Except that there is no puncturing and the length is different. Change-Id: Ia35ed4178a7f0d816052b7e5d6478b93a1d9744f Related: OS#2978
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