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* libosmocodec: FR err concealment: Fix too many silent frames generatedPau Espin Pedrol2018-07-211-10/+6
| | | | | | | | | | | | | As stated in its own documentation, reduce_xmaxcr_all() should only return true when ALL XMAXC fields return true. However, previous implementation returned true when at least one of them returned true. As a result, if any of the sections is silent (for instance because one of the bursts was lost), the whole frame is silenced, returning a zeroed buffer. Related: OS#2700 Fixes: 40def49ac4b8babbd1b17c232137ce50a428706b ("libosmocodec: implement ECU (Error Concealment Unit) for FR") Change-Id: I1624b7c6574f53d0593a61645d4fdc5d56cabe96
* vty: initialize termios before using itAlexander Couzens2018-07-201-1/+1
| | | | | | | valgrind complains about using unitialised bytes in syscalls. I could imagine this happens when tcgetattr fails to set termios. Change-Id: I9d165911fa3127afa8f836fa5c5c2e14a949474a
* add osmo_sockaddr_to_str_and_uint()Neels Hofmeyr2018-07-201-0/+20
| | | | | | | | | This came from osmo-bsc refactoring patch I82e3f918295daa83274a4cf803f046979f284366 https://gerrit.osmocom.org/#/c/osmo-bsc/+/9671/6/src/osmo-bsc/gsm_data.c@1708 Add regression test in utils_test.c. Change-Id: I1f2918418c38918c5ac70acaa51a47adfca12b5e
* libosmocoding: clarify return values for TCH decoding functionsPau Espin Pedrol2018-07-191-4/+8
| | | | Change-Id: I7d6c61e6a1b5d1fae26f385b420ff55246c4b62f
* ctrl: ctrl_handle_msg: Avoid sending back received ERROR msgsPau Espin Pedrol2018-07-161-2/+3
| | | | Change-Id: I396fd1e7548beea31b2b7aa9f764edb765b02941
* ctrl: Introduce ctrl_cmd_parse3 APIPau Espin Pedrol2018-07-162-1/+21
| | | | | | | | | Callers require to know whether the returned ERROR cmd was received or generated locally, in order to send it or do something with it locally. Related: OS#3394 Change-Id: Ide9170e5c31967c353f8fe4e8227e64130b91eae
* coding: Documentation typo fix.Alexander Chemeris2018-07-141-1/+1
| | | | Change-Id: I6ca873b3decaf50e7b79b5ab2269919c862a4fe0
* coding: Fix (E)GPRS BER calculation to correctly account for puncturing.Alexander Chemeris2018-07-141-5/+24
| | | | | | | | Previously we didn't take into account puncturing and BER was always around 30% for GPRS/EDGE bursts because of they use puncturing coding unlike "classical" GSM bursts. Change-Id: I9da22e7051522d06d923fcec3b63cbed8db93910
* gsm0808: Add value_string for encryption algorithmsPau Espin Pedrol2018-07-122-0/+13
| | | | Change-Id: Iadf6460c438d02c53c2eaa9e42d51844ad28859a
* ctrl: Fix parsing of ERROR recvd msgs with id=errPau Espin Pedrol2018-07-121-1/+2
| | | | | | | | | | | Our implementation generates ERROR CTRL messages with ID=error when it is unable to parse a CMD. However, it doesn't account for them when trying to receive and parse this kind of message. As a result, it will return an ERROR message with a different description. This commit fixes the old behaviour to success at parsing and returning the received description to the caller. Change-Id: I564ab1a7e845388f87accda44fbf165e5adc2480
* ctrl: Log CMD TYPE on invalid ID numberPau Espin Pedrol2018-07-121-1/+2
| | | | Change-Id: Ia890d4b841ef02342cc1cf7f5926866b040dc8ab
* gsm_08_08: gsm0808_permitted_speech does not have value stringsPhilipp Maier2018-07-122-0/+15
| | | | | | | enum gsm0808_permitted_speech does not have any value strings. Lets add value strings to make debugging easier. Change-Id: I5b5612a5df2758b0137a34c17f7c8c2b3f07c806
* vty: fix use-after-free and memleaks in is_cmd_ambiguous()Neels Hofmeyr2018-07-111-20/+43
| | | | | | | | | | | | | | | | | | | | | | | vty_test: add test against ambiguous cmd causing use-after-free and memory leaks. Add this test along with the fix, because the new test triggers the memory use-after-free and leaks, causing build failures. Add cmd_deopt_with_ctx() to allow passing a specific talloc ctx. is_cmd_ambiguous(): keep all cmd_deopt() allocations until the function exits. Add a comment explaining why. Before this, if a command matched an optional "[arg]" with square brackets, we would keep it in local var 'matched', but we would free the string it points to at the end of that loop iteration; upon encountering another match, we would attempt to strcmp against the freed 'matched'. Instead of adding hard-to-read and -verify free/alloc dances to keep the 'matched' accurately freed/non-freed/..., just keep all cmd_deopt() string allocated until done. Needless to say that this should have been implemented on a lower level upon inventing optional args, but at least this is fixing a program crash. Related: OS#33903390 Change-Id: Ia71ba742108b5ff020997bfb612ad5eb30d04fcd
* vty: cosmetic: cmd_deopt(): use talloc_strndup(), not memcpy()Neels Hofmeyr2018-07-091-8/+1
| | | | Change-Id: Ibf870ae02be706f802482f7cff6589a70cde8320
* vty/command.c: talloc from tall_vty_cmd_ctx, not NULLNeels Hofmeyr2018-07-091-3/+3
| | | | Change-Id: Iaa409b4f63557c8fb028bbb322b5e7253393c05c
* Don't enforce Python 2 for utilitiesVadim Yanitskiy2018-07-021-1/+1
| | | | | | | | | | | The conv_gen.py utility was tested against both Python 2 and 3, so there is no need to enforce Python 2. Also, having: #!/usr/local/bin/python{2|3} is a bad idea, because Python may be installed in a different location. Change-Id: I6007d481047b584db13d6eda70fb99f11f9ddaa1
* osmo_panic(): Annotate as __attribute__ ((noreturn))Harald Welte2018-06-291-1/+8
| | | | | | | | | | In Change-Id I5a70eb65952cbc329bf96eacb428b07a9da32433 we redirected all OSMO_ASSERT() via osmo_panic(). However, this caused various applications to have build failures, as OSMO_ASSERT() now appeared to be able to return to the call site. Let's inform the compiler explicitly that there's no return from osmo_panic(). Change-Id: I8adf4c7b0ee6a4581cef8dd4e9f6a1dfde70ee55
* Don't call abort() directly, always use osmo_panic()Harald Welte2018-06-282-2/+3
| | | | | | | | | A loooong time ago, we introduced osmo_panic() as a wrapper around abort(). The advantage is, that this wrapper can be overridden, and that it will also work in embedded (bare iron) targets, where the abort simply translates to an infinite loop. Change-Id: I5a70eb65952cbc329bf96eacb428b07a9da32433
* Fix embedded (arm-none-eabi) buildsHarald Welte2018-06-284-0/+26
| | | | | | | | | Due to OS#3360, build testing for arm-none-eabi was unfortunately skipped for a long time. This is a number of fixes that make the compile test pass again. Related: OS#3360 Change-Id: I88e3c8e1a8786ca2a6a023b0d27c74be200a8588
* return error to sender upon bssgp_tlv_parse() failureStefan Sperling2018-06-251-0/+2
| | | | | | | | | | Return "invalid mandatory information" error status to the sender in case bssgp_tlv_parse() failed. To avoid loops, do not respond with an error status to STATUS PDUs which failed parsing. Change-Id: If73719b75a94d6742bdefc9b6572525cb00a96ee Related: OS#3178
* check bssgp_tlv_parse() return code in bssgp_rcvmsg()Stefan Sperling2018-06-251-0/+5
| | | | | | | | | | | The return code from bssgp_tlv_parse() was not checked for a parsing error. In case of a parsing error the stored return code could have been overwritten later in this function. Explicitly check for a parsing error and log corresponding packets. Change-Id: Id3d7c52ec3df2bcf4efcee0e0b14fe22ef96964e Related: OS#3178
* add and tweak inter-BSC HO APINeels Hofmeyr2018-06-182-2/+87
| | | | | | | | | | | | | | | | | | Add: gsm0808_create_handover_detect() gsm0808_create_handover_complete() gsm0808_create_handover_failure() To existing structs gsm0808_old_bss_to_new_bss_info and gsm0808_handover_required, add a final 'more_items' flag that makes future extensions API and ABI compatible. Fix the msgb string for Handover Request Ack. Extend some API doc comments. Related: OS#2283 (inter-BSC Handover, BSC side, MT) Change-Id: I03ee7ce840ecfa0b6a33358e7385528aabd4873f
* gsm: lapdm.c: Add missing new line char in notice log stringPau Espin Pedrol2018-06-181-1/+1
| | | | Change-Id: I92c78ea01570dc1f4be11b113c07f0aa3b342c8f
* gsm 04.80: Add value_string for component type and op codeHarald Welte2018-06-162-0/+34
| | | | Change-Id: I2615a88db5224d65f37c7cc505e183ec8b196e8a
* gsup: Add value_string for Session State IEHarald Welte2018-06-162-0/+9
| | | | | | | | In Change-Id I1cee271fed0284a134ffed103c0d4bebbcfde2a8 we added support for a new session state IE, but we didn't add any value_string array for string conversion of it. Let's fix this. Change-Id: I3d9f087786dc37c42498fa9a2be07483ec93ba7b
* Add function gprs_nsvc_state_appendDaniel Willmann2018-06-142-0/+23
| | | | | | A common function to append the nsvc state from osmo-sgsn or osmo-gbproxy Change-Id: I7f0eaff7329ab98cad792d30b20ab053007aab85
* gsup: Add osmo_gsup_get_err_msg_type() functionHarald Welte2018-06-112-0/+24
| | | | | | | | This function can be used to resolve the error message type for a given message type. Can be used by generic error handlers that work for any incoming message type. Change-Id: Ic637bec53dd7fe3ec83da99b49b4eae34d5602b2
* gsm/gsm0480: refactor and expose gsm0480_parse_facility_ie()Vadim Yanitskiy2018-06-112-16/+31
| | | | | | | | | | | | | | This function can be used when there is only a part of GSM 04.80 message available - Facility IE, e.g. when a message is carried over GSUP/MAP. Let's expose it. Refactoring includes the following: - adding the 'gsm0480_' prefix; - correcting inverted return value; - cosmetic code style changes. Change-Id: I623c39ffbe6cdee65eade8435a2faa04d0da193e
* gsm/gsm0480.c: introduce gsm0480_extract_ie_by_tag()Vadim Yanitskiy2018-06-112-0/+89
| | | | | | | | In some cases, there is no need to parse the whole message, e.g. during the conversion from DTAP to GSUP/MAP. This function can be used to extract given IE from a message. Change-Id: I3989d061903352473305f80712f1a1560d05df3d
* vty: Add logging_vty_add_deprecated_subsysHarald Welte2018-06-091-0/+21
| | | | | | | | | | | | | This function permits the user to register deprecated log categories, which will ensure that if log categories are removed from a program, old config files will still load. We simply dynamically allocate a cmd_element and install it at CFG_LOG_NODE. Not registering it at VIEW_NODE or ENABLE_NODE ensures that it's not accessible from the interactive VTY, but only from the config file / configure node. Change-Id: I171f62ea2dc565b3a6c3eecd27fb7853e2529598
* vty: Don't dump deprecated commands in XML exportHarald Welte2018-06-091-2/+4
| | | | | | | we don't want to include deprecated commands in our VTY reference manuals. Change-Id: I5e179c9dca297b8c4bdbdf4e0e5b1d69eecc4232
* Add osmo_isqrt32() to compute 32bit integer square rootHarald Welte2018-06-061-0/+40
| | | | Change-Id: I2b96db6e037e72e92317fec874877e473a1cf909
* gsm0808: Add value_string for LCLS related IEsHarald Welte2018-06-022-0/+36
| | | | Change-Id: I18d7a29496929c761aeaba9c0aee847befc13108
* add osmo_fsm_inst_state_chg_keep_timer()Neels Hofmeyr2018-05-311-30/+64
| | | | Change-Id: I3c0e53b846b2208bd201ace99777f2286ea39ae8
* GSUP: introduce new messages for SS/USSD payloadsVadim Yanitskiy2018-05-311-0/+15
| | | | | | | | | | | | | | | | | In order to be able to transfer SS/USSD messages via GSUP, this change introduces the following new message types: - OSMO_GSUP_MSGT_PROC_SS_*, and the following new IE: - OSMO_GSUP_SS_INFO_IE which represents an ASN.1 encoded MAP payload coming to/from the mobile station 'as is', without any transcoding. Change-Id: Ie17a78043a35fffbdd59e80fd2b2da39cce5e532 Related: OS#1597
* GSUP: implement TCAP-like session managementVadim Yanitskiy2018-05-311-0/+16
| | | | | | | | | | | | | | | | | | | | Unlike TCAP/MAP, GSUP is just a transport layer without the dialogue/context. This prevents us from having session based communication, required e.g. for USSD. But we can emulate TCAP dialogue by adding additional IEs, which would allow to relate each message to a particular session. This change introduces the following IEs: - OSMO_GSUP_SESSION_ID_IE, - OSMO_GSUP_SESSION_STATE_IE, which optionally can be used to indicate that the message is related to a session with given ID, and to manage session state, i.e. initiate, continue, and finish. Change-Id: I1cee271fed0284a134ffed103c0d4bebbcfde2a8 Related: OS#1597
* gsm0808: Add encoding functions for LCLS BSSMAP messagesHarald Welte2018-05-302-0/+63
| | | | Change-Id: Ib83143e467df068b7d462a8e51d94b9d961ce18f
* gsm0480: fix: don't overwrite the data of RELEASE_COMPLETEVadim Yanitskiy2018-05-291-2/+6
| | | | | | | | | | | According to the 3GPP TS 04.80, table 2.5 'Release complete', a RELEASE_COMPLETE message may containg optional FACILITY element. Meanwhile, the 0xff byte is used to indicate that there is no decoded message (legacy field). Let's avoid overwriting of a decoded message. Change-Id: I0c85292222749a48ca0c4b2e93f4fa2d61468c18
* add gsm0808_create_handover_request_ack()Neels Hofmeyr2018-05-272-0/+26
| | | | | Related: OS#2283 (inter-BSC Handover, BSC side, MT) Change-Id: I692292a06c7d66004404560dc4ed933ca9107f9b
* add support for gsm0808 HANDOVER REQUIRED messageNeels Hofmeyr2018-05-272-0/+71
| | | | | Related: OS#2283 (inter-BSC Handover, BSC side, MO) Change-Id: Idb6dc3eab0282158a17091d97ed77c1e2e3eb3c2
* add gsm0808_cell_id_to_list()Neels Hofmeyr2018-05-272-0/+32
| | | | | | | | The idea is to be able to add a gsm0808_cell_id to a gsm0808_cell_id_list2: first convert it to a list, then re-use gsm0808_cell_id_list_add(). It will be used by osmo-bsc to manage neighbor-BSS cell identifiers from VTY. Change-Id: Ibf746ac60b1b1e920baf494b396658a5ceabd788
* ctrl: Add doxygen API documentation; generate html from itHarald Welte2018-05-262-4/+67
| | | | | Closes: OS#3293 Change-Id: I8dc2f24d4bf557ff7bb0f2f46881f9f8d9d7f86f
* ctrl: Introduce libosmoctrl.map to avoid unintended exportsHarald Welte2018-05-262-0/+36
| | | | | | | | There are some symbols for use between control_cmd.c and control_if.c, which are not supposed to be exported publicly. Let's make sure we keep those symbols local. Change-Id: Ia85f36a9c4b2ebf4003718e0a230959638370320
* cosmetic: Whitespace fixes in control_if.cHarald Welte2018-05-261-3/+3
| | | | Change-Id: I24666d0b90a355e9fdefd280d48900b8cac1de64
* remove unused argument from pad_append_ctr() helper functionStefan Sperling2018-05-251-7/+7
| | | | | | Change-Id: Iff5699be1dc306120cc1752b0a892e4fcbc5a8c0 Fixes: 97d3da2c591984b47839fd1d9a5cba24a7f05fa1 Related: OS#3245
* Add a 'show rate-counters' VTY command.Stefan Sperling2018-05-241-0/+17
| | | | | | | | | Add a new VTY command which shows all rate counters registered with libosmocore. Change-Id: Id60a5aa2d961ae99cddf1e776358a5517dbc573d Depends: Idb3ec12494ff6a3a05efcc8818e78d1baa6546bd Related: OS#3245
* introduce vty_out_rate_ctr_group_fmt() functionStefan Sperling2018-05-241-0/+136
| | | | | | | | | | | | This new function can be used to print a rate counter group according to a format string. The intention is to generalize and replace manual printing of counters as implemented for the 'show statistics' VTY command of osmo-bsc. Related: OS#3245 Related: osmo-bsc commit 71d524c059c5a5c90e7cb77d8a2134c1c68b9cde (g#9217) Change-Id: Idb3ec12494ff6a3a05efcc8818e78d1baa6546bd
* mncc: properly export osmo_mncc_name()Harald Welte2018-05-242-4/+1
| | | | | | | For some strange reason, the osmo_mncc_name() inline function was not in the mncc.h header, but in the mncc.c file. Let's fix that. Change-Id: I2c3666510c981dffa4ba25bed517fd7ebd1250f5
* gsm: kasumi: Fix dynamic-stack-buffer-overflow on out buffers not multiple ↵Pau Espin Pedrol2018-05-171-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | of 64 bits Fixes following AddressSanitizer report during gea_test run with gcc 8.1.0: ==8899==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0x7ffc5f1719bb at pc 0x7fe574adc5fe bp 0x7ffc5f171460 sp 0x7ffc5f171450 WRITE of size 1 at 0x7ffc5f1719bb thread T0 #0 0x7fe574adc5fd in osmo_store64be_ext ../../include/osmocom/core/bit64gen.h:75 #1 0x7fe574adc649 in osmo_store64be ../../include/osmocom/core/bit64gen.h:104 #2 0x7fe574ade936 in _kasumi_kgcore libosmocore/src/gsm/kasumi.c:186 #3 0x7fe574ae2532 in gea4 libosmocore/src/gsm/gea.c:44 #4 0x7fe574ae266c in gea3 libosmocore/src/gsm/gea.c:60 #5 0x7fe574a9b616 in gprs_cipher_run libosmocore/src/gsm/gprs_cipher_core.c:95 #6 0x56422d3fb2ee in test_gea libosmocore/tests/gea/gea_test.c:29 #7 0x56422d3fb506 in main libosmocore/tests/gea/gea_test.c:49 #8 0x7fe5730f406a in __libc_start_main (/usr/lib/libc.so.6+0x2306a) #9 0x56422d3fadf9 in _start (libosmocore/tests/gea/.libs/lt-gea_test+0x1df9) The kasumi_test is updated to calculate the entire array of bits according to expected result. Before this commit it worked by writing the entire last 64bit block, and addressSanitizer cannot catch it because the allocated buffer is 64bit aligned too. Change-Id: I7b2a0224a3b5527d5a3ad7e17efc73081b63eac1
* fix spellingThorsten Alteholz2018-05-151-2/+2
| | | | Change-Id: I3ac92217f83279d5f987ab34eb18b2e6cb1c7812
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