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* VTY: implicit node exit by de-indenting, not parent lookupNeels Hofmeyr2017-09-192-24/+200
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Note: This will break users' config files if they do not use consistent indenting. (see below for a definition of "consistent".) When reading VTY commands from a file, use indenting as means to implicitly exit child nodes. Do not look for commands in the parent node implicitly. The VTY so far implies 'exit' commands if a VTY line cannot be parsed on the current node, but succeeds on the parent node. That is the mechanism by which our VTY config files do not need 'exit' at the end of each child node. We've hit problems with this in the following scenarios, which will show improved user experience after this patch: *) When both a parent and its child node have commands with identical names: cs7 instace 0 point-code 1.2.3 sccp-address osmo-msc point-code 0.0.1 If I put the parent's command below the child, it is still interpreted in the context of the child node: cs7 instace 0 sccp-address osmo-msc point-code 0.0.1 point-code 1.2.3 Though the indenting lets me assume I am setting the cs7 instance's global PC to 1.2.3, I'm actually overwriting osmo-msc's PC with 1.2.3 and discarding the 0.0.1. *) When a software change moves a VTY command from a child to a parent. Say 'timezone' moved from 'bts' to 'network' level: network timezone 1 2 Say a user still has an old config file with 'timezone' on the child level: network bts 0 timezone 1 2 trx 0 The user would expect an error message that 'timezone' is invalid on the 'bts' level. Instead, the VTY finds the parent node's 'timezone', steps out of 'bts' to the 'network' level, and instead says that the 'trx' command does not exist. Format: Consistent means that two adjacent indenting lines have the exact same indenting characters for the common length: Weird mix if you ask me, but correct and consistent: ROOT <space>PARENT <space><tab><space>CHILD <space><tab><space><tab><tab>GRANDCHILD <space><tab><space><tab><tab>GRANDCHILD2 <space>SIBLING Inconsistent: ROOT <space>PARENT <tab><space>CHILD <space><space><tab>GRANDCHILD <space><tab><tab>GRANDCHILD2 <tab>SIBLING Also, when going back to a parent level, the exact same indenting must be used as before in that node: Incorrect: ROOT <tab>PARENT <tab><tab><tab>CHILD <tab><tab>SIBLING As not really intended side effect, it is also permitted to indent the entire file starting from the root level. We could guard against it but there's no harm: Correct and consistent: <tab>ROOT <tab><tab>PARENT <tab><tab><tab><tab>CHILD <tab><tab>SIBLING Implementation: Track parent nodes state: whenever a command enters a child node, push a parent node onto an llist to remember the exact indentation characters used for that level. As soon as the first line on a child node is parsed, remember this new indentation (which must have a longer strlen() than its parent level) to apply to all remaining child siblings and grandchildren. If the amount of spaces that indent a following VTY command are less than this expected indentation, call vty_go_parent() until it matches up. At any level, if the common length of indentation characters mismatch, abort parsing in error. Transitions to child node are spread across VTY implementations and are hard to change. But transitions to the parent node are all handled by vty_go_parent(). By popping a parent from the list of parents in vty_go_parent(), we can also detect that a command has changed the node without changing the parent, hence it must have stepped into a child node, and we can push a parent frame. The behavior on the interactive telnet VTY remains unchanged. Change-Id: I24cbb3f6de111f2d31110c3c484c066f1153aac9
* VTY: interactive: never look for matching commands on parent nodeNeels Hofmeyr2017-09-081-26/+2
| | | | | | | | | | | | | | | | | | | | | | For interactive telnet VTY, remove the implicit move up to the parent node when a command did not succeed on the current node level. When reading config files, this behavior was useful to allow skipping explicit 'exit' commands. (A different patch deals with that.) In the telnet VTY, this behavior was never necessary. Explicit 'exit' commands can move to the parent node, and typically uninformed users expect to require that. On a telnet VTY, counting indents like for reading config files is not an option: a user will always type from the first column or may paste some leading spaces without intended meaning. After this patch, it is thus no longer possible to paste a complete config across several node levels directly to a telnet session, unless it contains 'exit' commands. Change-Id: Id73cba2dd34676bad8a130e9c45e67a272f19588
* ipa: place comment "IPA Multiplex" on ipa allocated msgbsNeels Hofmeyr2017-09-071-1/+1
| | | | | | | | | | libosmocore offers the ipa API as general IPA Multiplex, which is e.g. used for GSUP in osmo-msc. Looking at talloc reports, it is confusing to see "Abis/IP" as msgb comment, because osmo-msc does not have an Abis interface. Rename to "IPA Multiplex" as a more general description. Change-Id: I3714dd21707bec0c4bcd0871e6ee8ff32d56b125
* cosmetic: clarify language in vty read errorKeith2017-09-051-1/+1
| | | | | | | | | | | | | | This is very minor but it annoys every time I see it. The text: "Error occurred during reading below line:" is not a complete sentence. The default understanding in english having left out the article implies that the error occured reading below [the] specified line, not that the error occured reading [the] specified line. That is to say, The message implied that the printed line was the last successfully parsed line. Change-Id: Ib4dd135feb9609b14983db5dac321a70267d8f30
* lapd_core: Fix crash in lapd_est_req() functionIvan Kluchnikov2017-09-011-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lapd_est_req() function could be called on uninitialized lapd link (before lapd_dl_init() and after lapd_dl_exit() functions) due to invalid usage on higher levels. In order to prevent using uninitialized lapd link, we should set LAPD_STATE_NULL state for lapd_datalink in lapd_dl_exit() function. So all messages for lapd_datalink in null state will be unhandled by lapd_recv_dlsap() function and lapd_est_req() function will not be called before lapd_dl_init() function where lapd link state is changed to idle. #0 0x00007f46ecd99aa5 in lapd_est_req (dp=<optimized out>, lctx=0x7f46ed80b8b8) at lapd_core.c:1769 #1 0x00007f46ecd9dda8 in rslms_rx_rll_est_req (msg=msg@entry=0x7f46eeab4940, dl=dl@entry=0x7f46ed80b888) at lapdm.c:845 #2 0x00007f46ecd9fc03 in rslms_rx_rll (lc=0x7f46ed80b398, msg=0x7f46eeab4940) at lapdm.c:1157 #3 lapdm_rslms_recvmsg (msg=0x7f46eeab4940, lc=0x7f46ed80b398) at lapdm.c:1223 #4 0x00007f46ed63773d in rsl_rx_rll (msg=<optimized out>, trx=<optimized out>) at rsl.c:2178 #5 down_rsl (trx=<optimized out>, msg=<optimized out>) at rsl.c:2541 #6 0x00007f46ed641529 in sign_link_cb (msg=<optimized out>) at abis.c:169 #7 0x00007f46ec54b111 in ipaccess_bts_read_cb (link=0x7f46eeab4940, msg=0x0) at input/ipaccess.c:807 #8 0x00007f46ec548a8e in ipa_client_read (link=0x7f46ee26ae30) at input/ipa.c:74 #9 ipa_client_fd_cb (ofd=<optimized out>, what=1) at input/ipa.c:137 #10 0x00007f46ecfc726f in osmo_fd_disp_fds (_eset=0x7ffe7a9fcd20, _wset=0x7ffe7a9fcca0, _rset=0x7ffe7a9fcc20) at select.c:167 #11 osmo_select_main (polling=polling@entry=0) at select.c:207 #12 0x00007f46ed63fc25 in bts_main (argc=5, argv=<optimized out>) at main.c:359 #13 0x00007f46ebd76f45 in __libc_start_main (main=0x7f46ed61b120 <main>, argc=5, argv=0x7ffe7a9fcf18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, #14 0x00007f46ed61b14e in _start () Related: OS#1982 Change-Id: I306dad9b78e3becaef14c5305ec25c312feefe3c
* Makefile.am: fix missing LTLDFLAGS for libosmocodingVadim Yanitskiy2017-08-311-0/+1
| | | | | | | | Despite the libosmocoding.map is preset since the library release, one was not used in a proper way. The LTLDFLAGS were missing, so let's add them. Change-Id: Idf677825ff642d50bea43c7f970810783e864fdd
* umts aka: add sqn_ms out-param, print SQN.MS in osmo-auc-genNeels Hofmeyr2017-08-291-1/+2
| | | | | | | | | | | | | | | | When doing UMTS AKA with AUTS, it can be interesting to know the SQN.MS that was encoded in the AUTS. The only way to know this is to provide it as a separate out-parameter from milenage_gen_vec_auts(), because the SQN.MS from AUTS stored in umts.sqn is immediately modified non-trivially by milenage_gen_vec(). Add sqn_ms to struct osmo_sub_auth_data to retain SQN.MS even after a vector was generated. Use this to print out SQN.MS for 'osmo-auc-gen -3 -A'. Adjust test suite expectations. Related: OS#2464 Change-Id: I9fc05bbf169d06716f40b995154fd42a3f91bef3
* vty: 'ctrl' node: add missing default commands like list,exit,endNeels Hofmeyr2017-08-281-0/+1
| | | | Change-Id: I72569ed767b6a4d792b2867d02caa65520e27cd3
* gsm0411_utils: GSM03.40 9.2.3.11 SCTS should be localKeith2017-08-171-1/+1
| | | | | | | | From GSM 03.40: "The Service-Centre-Time-Stamp, and any other times coded in this format that are defined in this specification, represent the time local to the sending entity." Change-Id: I4efdb1eaae43aced33961b64d4f14b0040321c10
* auth_milenage: Fix non-AUTS case with OPHarald Welte2017-08-161-12/+24
| | | | | | | | | We only implemented OPC generation from OP in the AUTS case, but not in the case of normal authentication vector generation. This never really was visible so far due to the fact that we use OPC at sysmocom, and never the shared OP value. Change-Id: Id3fa038dfc2ff1ba63616fa5e8eab0520481ff26
* add osmo_fd_setup() convenience function to fill-in osmo_fdHarald Welte2017-08-121-0/+18
| | | | | | | | This basically follows the concept of osmo_timer_setup() and allows the caller to fill-in all configurable fields of osmo_fd in one line of code, rather than open-coding it in 5 lines everywhere. Change-Id: I6dbf19ea22fd65302bfc5424c10418d1b7939094
* Add osmo_gprs_{ul,dl}_block_size_{bits,bytes} functionsHarald Welte2017-08-092-0/+96
| | | | | | Those functions can be used to look up the size of (E)GPRS blocks. Change-Id: I05ff75ef7dfae639886bbd09fe35f03a8af9d988
* RSL: Add support for RSL_CHAN_OSMO_PDCH to rsl_dec_chan_nr()Harald Welte2017-07-301-0/+3
| | | | Change-Id: Icc772285636c06e1075a89809f0ac379d7a0002c
* chantype_rsl2gsmtap/gsmtap2rsl: Fix PDCH channel type conversionHarald Welte2017-07-281-1/+4
| | | | Change-Id: I88a06e8ba894f16006a8efa259fc536cf300de32
* BSSGP: add function to reset all PTP BVCMax2017-07-282-0/+27
| | | | | Change-Id: I9bf8f4dd784ccddbb9926492a85fff3293a0e913 Related: OS#1638
* osmo_sock_init2(): Fix creation of non-bound socketsHarald Welte2017-07-211-1/+1
| | | | | | | | | If osmo_sock_init2() was used with CONNECT flag but without BIND flag, an invalid check for "did we create a socket yet" caused the socket to never be created, and subsequently the entire function to return an error. Change-Id: I0206dbb9c5b8f74d7fb088576941b092acd2ca22
* add DLMGCP logging category for libosmo-mgcpNeels Hofmeyr2017-07-181-0/+5
| | | | | | | In the course of splitting up the openbsc.git repository, we will create libosmo-mgcp and need a library logging category for that purpose. Change-Id: I09c587e2d59472cbde852d467d457254746d9e67
* LC15: add NM measurement type to standard attribute listMinh-Quang Nguyen2017-07-141-0/+1
| | | | Change-Id: I320b379429aaf0f7351aed5e4f72a481cc268c05
* LC15: Enable string for IPAC RSL direct retryMinh-Quang Nguyen2017-07-141-0/+1
| | | | Change-Id: I3e69fba0e21e181d28baee90e95f57216f2617af
* IPAC manufacture-defined measurement pre-processing definitionsMinh-Quang Nguyen2017-07-141-0/+5
| | | | Change-Id: Ie1853697f4cff5ff98654fa1cae6c68e28a0076b
* socket: Add new OSMO_SOCK_F_NO_MCAST_ALL optionHarald Welte2017-07-131-0/+10
| | | | | | | Using this option at socket creation, the caller can request disabling the IP_MULTICAST_ALL socket option. Change-Id: I5ab5de45c0b64ceb3636ea98245a23defa24ffd4
* socket: Allow disabling multicast loop on socket creationHarald Welte2017-07-131-4/+16
| | | | | | | | | | | This introduces a new flag OSMO_SOCK_F_NO_MCAST_LOOP, which can be used to disable the looping back of multicast packets transmitted throug this socket to other local sockets on the machine. As this looping-back is active by default, a single option to deviate from the default is deemed sufficient. Change-Id: I24a5b1ebc3f84d2d5d4734e54df50efaea26490b
* socket: Unify listen() calls and check for erroneous returnsHarald Welte2017-07-131-20/+33
| | | | | | | | | We had three places at the end of socket initialization functions calling listen(). Let's unify that and fix some bugs: * close + return error in case of bad listen() result * don't call listen() on AF_UNIX SOCK_DGRAM sockets Change-Id: I7e8dbe3c0486bb3b9810b0add1331e93fc106d82
* socket.c: Add multicast related convenience functionsHarald Welte2017-07-131-0/+135
| | | | Change-Id: Id703e7a7a1e065181a4c76c088b8dcc1b7fe15a2
* select: Add new osmo_fd_close() functionHarald Welte2017-07-131-0/+17
| | | | | | | | | This is a convenience helper that will both close a fd, mark it as closed and unregister it from the event loop abstraction. In most cases, you probably actually want to use it instead of manually closing and calling osmo_fd_unregister(). Change-Id: Icd0933eed6a24edde7cdcb378e138897ecc5332c
* gsmtap: Add value_strings for GSMTAP_TYPE and GSMTAP_CHANNELHarald Welte2017-07-131-0/+45
| | | | Change-Id: Iaf8a99912f42a56ef785a1642e18238c0b67cf68
* gsmtap_util: Add chantype_gsmtap2rsl() as inverse of chantype_rsl2gsmtap()Harald Welte2017-07-131-1/+40
| | | | Change-Id: Ie1bc00670887064da0fea61c3dab036c23ceea25
* utils: add function gsm_fn_as_gsmtime_str()Philipp Maier2017-07-112-0/+12
| | | | | | | Convert a given frame number into a printable string that displays the sub components of the frame number. Change-Id: I8015d2ded3940b01b35df7b72fc35c70c25e9926
* Add pseudo-random bit sequence generator to libosmcooreHarald Welte2017-07-102-1/+75
| | | | | | | These PRBS sequences are specified in ITU-T O.150. They are typically used as test data to be transmitted for BER (bit error rate) testing. Change-Id: I227b6a6e86a251460ecb816afa9a7439d5fb94d1
* Ignore broken everything log levelMax2017-07-101-2/+9
| | | | | | | | | | | | | | | | * when reading config file (or vty command) ignore "logging level .. everything" level * when writing config file, skip "logging level .. everything" level In both cases print corresponding deprecation warning. The "everything" level is not working as advertised for quite some time anyway. This will allow us to gradually deprecate broken "everything" parameter giving users enough time to update their config files before removing it entirely. Change-Id: I73d5c4f238beb88981ad25caa69f64ad6fb7209f Related: OS#71
* gsm_utils: Add osmo_dump_gsmtimePau Espin Pedrol2017-07-102-0/+12
| | | | | | Used by osmo-bts, moved from osmo-bts l1sap.c:dump_gsmtime. Change-Id: Ib5452e2c20f53006c0f6d197fb055728947125d8
* gsup: Add encoding/decoding for the pdp charging characteristicsHolger Hans Peter Freyther2017-07-071-0/+20
| | | | | | | | These fields can be in the ISD and the PDP Context inofmration. Store pointers to this IE in both cases. It needs to be used by the SGSN when opening a PDP context. Change-Id: Iedc7c02adcf77ca5c9545119e19c968dfbbb3e6b
* osmo_sock_get_name(): clearly indicate local and remoteNeels Hofmeyr2017-07-031-2/+2
| | | | | | | | | | | | | | | | In a string like 127.0.0.1:2905<->127.0.0.1:60661 it is hard to tell which is the local part. I'd have expected it on the left, but it is actually on the right. To avoid doubt and bypass bikesheds on which side should be what, clearly mark the two sides as remote and local. (r=127.0.0.1:2905<->l=127.0.0.1:60661) Change-Id: I43dcc6a1906429bd0955fd7fe2eb5b8495b592d8
* Add missing BSSGP cause valuesMax2017-07-011-20/+57
| | | | | | Add values from 3GPP TS 48.018 Change-Id: Ie39a6c91a46d179392d861805a106743a07c6fb0
* BSSGP: handle BVC-RESET-ACKMax2017-06-281-0/+3
| | | | | | | | | | | | | That's necessary for SGSN to properly handle BSS response to reset procedure initiated by SGSN (foe example via 'bssgp bvc nsei 101 bvci 0 reset' command). According to 3GPP TS 48.018 §8.4 "after performing the BVC Reset procedure all affected BVCs are assumed to be unblocked at the SGSN" so there's no need in any special handling. Change-Id: I90dfbd0195a8403406429ccc746299d072445f7b Related: OS#1638
* control_cmd.c: Fix unsigned comparison against < 0Pau Espin Pedrol2017-06-231-1/+1
| | | | | | | | Fixes following warning: control_cmd.c:294:16: warning: comparison of unsigned enum expression < 0 is always false [-Wtautological-compare] if (cmd->type < 0 || cmd->type == CTRL_TYPE_UNKNOWN) { Change-Id: I3df8a4f646222337927d9e3cac6d09a8a05cb20c
* abis_nm.c: Fix implicit enumeration type conversionPau Espin Pedrol2017-06-231-4/+4
| | | | | | | Fixes following warning message: abis_nm.c:101:2: warning: implicit conversion from enumeration type 'enum abis_nm_msgtype_bs11' to different enumeration type 'enum abis_nm_msgtype' [-Wenum-conversion] Change-Id: Icb0ed423febf1ceb6626e256d32011b4118fc527
* serial.c: Use pragma message instead of warningPau Espin Pedrol2017-06-231-1/+1
| | | | Change-Id: I65b1ef6e4b9ba0bf0c3c2f03311250f31ddb308a
* gsm0411_utils.c: Fix compilation warningsPau Espin Pedrol2017-06-231-2/+2
| | | | | | | | | | | gsm0411_utils.c:102:2: warning: #warning find a portable way to obtain timezone offset [-Wcpp] #warning find a portable way to obtain timezone offset gsm0411_utils.c: In function 'gsm338_get_sms_alphabet': gsm0411_utils.c:260:4: warning: large integer implicitly truncated to unsigned type [-Woverflow] return 0xffffffff; Change-Id: I1d6cb31f38721f79e2cf93f9b8e4776f3720aa07
* Fix warnings: tolower() and similar require ucharPau Espin Pedrol2017-06-233-5/+5
| | | | | | | | | | | | utils.c: In function 'osmo_str2lower': utils.c:277:3: warning: array subscript has type 'char' [-Wchar-subscripts] out[i] = tolower(in[i]); And according to man: If c is neither an unsigned char value nor EOF, the behavior of these func‐ tions is undefined. Change-Id: I3fed2ab6a4efba9f8a21fcf84a5b3a91e8df084f
* Fix compilation warnings: use correct log type for uint32_tPau Espin Pedrol2017-06-232-2/+4
| | | | Change-Id: Ic1e3255800999669ca9619bfceb4124c773eff2d
* fix map entry for gsm0808_speech_codec_from_chan_typeNeels Hofmeyr2017-06-231-1/+1
| | | | | | | | | | | Recent commit 884ba0f2bcaf385cabee0b4228a2598d61fa406b adds function gsm0808_chan_type_to_speech_codec() but adds a mismatching name in libosmogsm.map. openbsc.git's aoip branch can't build with this. This must have been an on-the-fly rename that wasn't properly tested. Always test your patches! Change-Id: I68feb14f7bcb2f62b89f9b2d8c085d6824b493bc
* fix map entry and .h declaration for gsm0808_chan_type_to_speech_codec()Neels Hofmeyr2017-06-231-1/+1
| | | | | | | | | | | | Recent commit 3149b0d076477303a38df735fe579b1b06ee17b2 adds function gsm0808_chan_type_to_speech_codec() but adds a completely mismatching name in libosmogsm.map, as well as a definition with a typo in the name. Fix the entry in libosmogsm.map. Add the missing 'c' in gsm0808_utils.h Change-Id: I5a621fa5ef6b632eabbe224f3dd383eacaffb695
* doxygen: unify use of \file across the boardNeels Hofmeyr2017-06-23130-553/+532
| | | | | | | | | | | | | | | | | Considering the various styles and implications found in the sources, edit scores of files to follow the same API doc guidelines around the doxygen grouping and the \file tag. Many files now show a short description in the generated API doc that was so far only available as C comment. The guidelines and reasoning behind it is documented at https://osmocom.org/projects/cellular-infrastructure/wiki/Guidelines_for_API_documentation In some instances, remove file comments and add to the corresponding group instead, to be shared among several files (e.g. bitvec). Change-Id: Ifa70e77e90462b5eb2b0457c70fd25275910c72b
* doxygen: enable AUTOBRIEF, drop \briefNeels Hofmeyr2017-06-2378-673/+673
| | | | | | | | | | Especially for short descriptions, it is annoying to have to type \brief for every single API doc. Drop all \brief and enable the AUTOBRIEF feature of doxygen, which always takes the first sentence of an API doc as the brief description. Change-Id: I11a8a821b065a128108641a2a63fb5a2b1916e87
* comments: gsm0808_utils: mention various 3GPP specsPhilipp Maier2017-06-231-0/+5
| | | | | Tweaked-by: nhofmeyr Change-Id: I990dfe9eeaf96f377484b828143935240a937226
* gsm0808: fix length check of the element decoder functionsPhilipp Maier2017-06-231-6/+6
| | | | | | | | | | | | | | | The length check of the decoder functions is not entirely correct. The check also checks for values below zero, which does not make sense, since the length is encoded as uint8_t. For some elements a minimum length is known (in most cases this is 1), so checking for zero is sufficient but in some cases (e.g. channel type) the spec mentions a minimum and maximum length. This is now also reflected in the code. Tweaked-by: nhofmeyr Change-Id: I78bc887f68d1963d28c6fcd631ac20ccd893d6d6
* pseudotalloc: Add simplistic implementation of talloc_asprintfPau Espin Pedrol2017-06-222-1/+17
| | | | | | | | | | | fsm.c uses this function. When compiled with --enable-embedded, it triggers a warning: fsm.c: In function 'osmo_fsm_inst_alloc': fsm.c:213:4: warning: implicit declaration of function 'talloc_asprintf' [-Wimplicit-function-declaration] fi->name = talloc_asprintf(fi, "%s(%s)", fsm->name, id); Change-Id: I61cd83d4c8570af1e452c945ac6f194baf7e6ac4
* fsm.c: Fix compilation warning: Use PRIu32 for uint32_tPau Espin Pedrol2017-06-221-3/+4
| | | | Change-Id: I4c441b20b250c34656f1e8330d6bb4b1ce2b8423
* timer_gettimeofday.c: Fix implicit use of timeraddPau Espin Pedrol2017-06-221-0/+1
| | | | | | | | | timer_gettimeofday.c: In function 'osmo_gettimeofday_override_add': timer_gettimeofday.c:54:2: error: implicit declaration of function 'timeradd' [-Werror=implicit-function-declaration] timeradd(&osmo_gettimeofday_override_time, &val, ^ Change-Id: Iced451be255cfde8a6cf38380bef71ef29673994
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