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* gsm0408: Avoid unaligned memory access in gsm48_generate_mid_from_tmsiHolger Hans Peter Freyther2013-07-031-2/+2
| | | | | | | | The &buf[3] is unlikely to be aligned properly. Use memcpy instead of an assignment. Add a small testcase that verifies that I didn't mess up the conversion. Alignment trap: osmo-nitb (3293) PC=0x492b7094 Instr=0xe5803003 Address=0xbeb259db FSR 0x801
* introduce gsm0808_create_reset_ack()Harald Welte2013-06-291-0/+13
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* lapd_core: msgb_trim() the L2 padding from ESTABLISH.indHarald Welte2013-06-181-2/+3
| | | | | | | | When a SABM(E) frame arrives, we have to trim the L2 padding (0x2b for gsm) before handing the data off to L3, just like we do with I frames. Also, we should use mggb_trim() or even msgb_l3trim() instead of manually fiddling with msgb->length and ->tail pointers.
* misc: Fix the spelling of frame in the RLM cause stringsHolger Hans Peter Freyther2013-06-111-1/+1
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* gsm_utils: refer to ETSI TS 05.08 instead of TS 08.05Bhaskar2013-05-231-2/+2
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* lapd: Set the tx_hist to NULL after freeing itHolger Hans Peter Freyther2013-05-081-0/+1
| | | | | Make detecting use after free of the tx_hist easy and set the variable to NULL after talloc_free has been freed.
* Fix of potential memory leaks at lapdm.cAndreas Eversberg2013-04-061-4/+17
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* Fix: LAPDm contention resoltion must acknowledge subsequent SABMAndreas Eversberg2013-04-061-2/+8
| | | | | | | | | After reception of SABM, the network responds with UA and enters the establised multiframe state. If UA is not received by mobile, the SABM is transmitted again, and the network must respond with UA again, unless it is from a different mobile. Add LAPDm collision test (contention resolution on network side).
* gsm_septets2octets(): Input parameter should be constHarald Welte2013-03-131-1/+2
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* cygwin: Link many libraries with -no-undefined to create a dllHolger Hans Peter Freyther2013-03-031-1/+1
| | | | | | Only the Gb library relies on having undefined references to a symbol that needs to be provided by the host application. For all other libraries we can link with -no-undefined.
* misc: Doxygen tweaks: fixed some typos and minor errorsKaterina Barone-Adesi2013-02-153-4/+5
| | | | | Doxygen generates quite a lot of warnings on libosmocore. Some of them are obvious typos - this patch aims to fix such low-hanging fruit.
* turn abis_nm_debugp_foh() into a macroHarald Welte2013-02-101-12/+10
| | | | | | this will avoid printing 'abis_nm.c' as the filename in the log, which is pretty useless during debugging. We want to know where abis_nm_debugp_foh() is being used from, not where it is implemented.
* lapd: Check in rslms_rx_rll() if lapdm context was initialized earlierDaniel Willmann2012-12-261-2/+18
| | | | | | | | | | | | | | | | | | This was found while implementing handover on a sysmobts. When we receive a channel release request for a channel that was never really activated (set_lapdm_context() was not called) we segfault in lapd_recv_dlsap(). We now return early with -EINVAL in rslms_rx_rll() if we receive a message that assumes set_lapdm_context() was already called. These are: * RSL_MT_UNIT_DATA_REQ * RSL_MT_DATA_REQ * RSL_MT_SUSP_REQ * RSL_MT_REL_REQ A test case was added to trigger the issue.
* build: Don't use the deprecated INCLUDES in the various Makefile.amSylvain Munaut2012-12-111-2/+1
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* gsm: Add method to find ARFCN based on frequencySylvain Munaut2012-12-112-45/+66
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* sms: Print 'network' or 'mobile' when creating the SMC/SMRHolger Hans Peter Freyther2012-12-062-3/+4
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* gsm/a5: Return -ENOTSUP if the selected cipher is not supportedSylvain Munaut2012-12-061-2/+6
| | | | | | Extracted from a patch by Max Suraev Max.Suraev@fairwaves.ru> Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* lapd: Use LOGL_ERROR for messgaes that are wrong in the given contextHolger Hans Peter Freyther2012-11-261-14/+14
| | | | Log message that are either too big or have the C/R bit set as error.
* misc: Use static const struct for LAPD and AbisHolger Hans Peter Freyther2012-11-222-2/+2
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* sms: Mark the state dispatch table as static constHolger Hans Peter Freyther2012-11-222-4/+4
| | | | | | GCC 4.7.2 was already smart enough to see that the table is const so there is no change in the generated assembly code. For some reason the dispatch is still going through one relocation.
* sms: Fix typos in the comments and log messages.Holger Hans Peter Freyther2012-11-222-5/+5
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* smr: Introduce an id and prefix all log messages with SMR(ID)Holger Hans Peter Freyther2012-11-221-31/+68
| | | | | | | | | | When OpenBSC is handling more than one message at a time it is difficult to see which log message belongs to which SMR instance. Introduce a uint64_t id that can be set to the row_id/message_id and prefix all log messages with SMR(ID). This change is ABI and API incompatible with previous versions of libosmogsm.
* smc: Introduce an id and prefix all log messages with SMC(ID)Holger Hans Peter Freyther2012-11-221-30/+60
| | | | | | | | | | | | | | When OpenBSC is handling more than one message at a time it is difficult to see which log message belongs to which SMC. Introduce a uint64_t id that can be set to the row_id/message_id and prefix all log messages with SMC(ID). This change is ABI and API incompatible with previous versions of libosmogsm. Example: SMC(100) instance created SMC(100) message MNSMS-EST-REQ received in state IDLE
* smc: Fix a typo in the smc codeHolger Hans Peter Freyther2012-11-141-1/+1
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* smc: Print the current state of the SMSHolger Hans Peter Freyther2012-11-111-1/+3
| | | | | | When the connection may not released print the name of the current state to ease with debugging and verification that this is not a valid state transition.
* sms: Remove the commented out code that was the default in OpenBSCHolger Hans Peter Freyther2012-11-111-1/+0
| | | | | This code got copied from OpenBSC and we used the network specific and private numbering plan. Remove it as it can be easily set.
* sms: Reduce the logging level to debugHolger Hans Peter Freyther2012-11-111-3/+3
| | | | | <001c> gsm0411_smr.c:175 TX: MNSMS-REL-REQ adds little value so I am reducing it to a debug statement.
* GSM48: Avoid unaligned access in gsm48_construct_raAndreas Eversberg2012-11-051-1/+3
| | | | | This avoids an unaligned access on platforms that don't support them, such as ARMv4/ARMv5.
* Do not use --version-script linker flag on OSXTobias Engel2012-10-271-1/+1
| | | | | Add a check to not use --version-script linker flag if compiled on OSX since it doesn't exist there
* gsm_utils.c: in 7bit decoding, first check if the last character was an ↵Nico Golde2012-09-211-5/+5
| | | | extension character before doing anything else
* gsm_utils: Fix up coding style in previous patchHarald Welte2012-09-201-2/+2
| | | | 'if' is not a function, so we have space before parenthesis.
* gsm_utils.c: cleanup + do not use dynamic memory when decoding 7bit messagesNico Golde2012-09-201-14/+13
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* gsm: Address compiler warning about unused variable 'z'Holger Hans Peter Freyther2012-09-111-3/+4
| | | | | | | | The comment explains why we don't care about the content of z, stop storing it. gsm_utils.c: In function 'gsm_7bit_encode': gsm_utils.c:253:13: warning: variable 'z' set but not used [-Wunused-but-set-variable]
* libosmogsm: Back-port SMS related fixes from openbscHarald Welte2012-08-291-1/+10
| | | | | | | | This was fixed in 9c3dc90d16a40789081c84e46620f4d66689fec1 of openbsc.git, after the sms code had been migrated here: introduce HAVE_TM_GMTOFF_IN_TM Not all architectures have the tm.tm_gmtoff member. This fixes cygwin builds.
* GSM 04.08: Add support for parsing CSD related bearer capabilitiesHarald Welte2012-08-241-5/+90
| | | | Also adds a test case for both encoder and decoder of this IE
* gsm48_ie: annotate functions with chapter numbers from 04.08 specHarald Welte2012-08-241-29/+29
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* increaes libosmocgsm LIBVERSIN due to gsm_decode_lai() changeHarald Welte2012-08-031-1/+1
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* authentication: More documentationHarald Welte2012-07-181-3/+54
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* TLV: add new "vTvLV" type for GANHarald Welte2012-07-142-1/+22
| | | | | | | | | | | | | This new TLV type is specific to TS 44.318. Contrary to the TvLV type of TS 08.16/08.18, it has an inverted meaning of the extension (0x80) bit: * if the extension bit is not set, 1-byte length * if the extension bit is set, 2-byte length Futhermore, it has support for variable-length tags, where the tag part can be optionally two bytes in length. As this esoteric option hasn't been seen in the wild yet, we only add encoding support but skip decoding for now.
* gsm48_decode_lai(): return real integers for mcc/mnc, not hex!Harald Welte2012-07-131-6/+13
| | | | This is to make it orthogonal with gsm48_encode_lai()
* add gsm48_decode_lai() to map fileHarald Welte2012-07-131-0/+1
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* import gsm48_decode_lai() function from osmocom-bb/mobile sysinfo.cHarald Welte2012-07-131-0/+14
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* build: use LT_INIT(pic-only) instead of forcing -fPIC.Diego Elio Pettenò2012-06-301-1/+1
| | | | | | | | This actually allows for the user to override the decision and at the same time supports compilers that might not be able to use -fPIC at all. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
* ganc: add value_strings for GAN message type and protocol discriminatorHarald Welte2012-06-243-1/+81
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* LAPDm: Ensure there is no payload in DISC framesHarald Welte2012-04-261-1/+6
| | | | | | When we send DISC frames (especially generated from RSL), we don't want any remaining bytes from the RSL message showing up as bogus DISC payload.
* doc: Fix the Doxygen section endingsSylvain Munaut2012-04-185-5/+5
| | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* libosmogsm: Add tvlv_att_def to exported symbolsHarald Welte2012-04-051-0/+1
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* misc: Fix make distcheck, add the new libosmogsm.map file to the tarballHolger Hans Peter Freyther2012-04-051-0/+2
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* lapdm: fix RSL message format in RLL ERROR INDICATIONHarald Welte2012-04-051-1/+0
| | | | | | In rsl_rll_error() we don't need to re-set the msg->l2h as that would corrupt the message. The recipient would interpret any cause value as 0.
* libosmogsm: Introduce explicit list of exported symbolsHarald Welte2012-04-043-3/+233
| | | | | | | | There is now a "libosmogsm.map" file containing an explicit list of to-be-exported symbols. This should prevent us from leaking non-static symbols into the global namespace. A similar scheme should be adopted by all other osmocom libraries
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