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* debian: Enable hardening options for debianHolger Hans Peter Freyther2013-12-121-0/+2
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* Refactor COMP128v23 implementation and add test suitMax2013-12-078-42/+4216
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* gb: Remove comment about ABI changes from the MakefileHolger Hans Peter Freyther2013-11-221-3/+0
| | | | | | Okay. this comment thing has not worked (I totally forgot about it). I think either we try to find ABI breakages with tools or we use #error macros and check for a version...
* debian: Update the changelogJacob Erlbeck2013-11-111-1/+7
| | | | Sponsored-by: On-Waves ehf
* gprs: Fix VTY NSVC initialisation bug by changing gprs_nsvc_create()Jacob Erlbeck2013-11-111-3/+3
| | | | | | | | | | | | | | | | Currently the field nsvci_is_valid is set to 0 in the NSVC object returned by gprs_nsvc_create(). This was a semantic change probably introduced by commit 5e6d679d. As a result, NSVC created via the VTY have this flag set to 0 causing RESET_ACK messages to be rejected. This patch changes the default behaviour of gprs_nsvc_create() to always set this flag. So it must be set to 0 explicitely if needed which is more intuitive and thus less error prone. It fixes breaking connections from the Gbproxy to the SGSN. Ticket: OW#874 Sponsored-by: On-Waves ehf
* implement COMP128 version 2 and 3 A3/A8 algorithmKevin Redon2013-11-035-5/+264
| | | | simple copy into C from reversed code from www.hackingprojects.net
* gprs: Ignore NS RESET_ACK and ALIVE_ACK without RESETJacob Erlbeck2013-10-302-6/+17
| | | | | | | | | | | Currently those messages are answered by a NS_STATUS message when received on an uninitialised (no NS_RESET hat been seen yet) NS_VC which violates GPP TS 08.16 7.3.1 and 7.4.1. This patch adds checks to gprs_ns_vc_create() and eventually returns before the error NS_STATUS message is generated. Sponsored-by: On-Waves ehf
* grps: Add test for NS messages that shall be ignoredJacob Erlbeck2013-10-302-0/+55
| | | | | | | | | | Several messages shall not be answered when a RESET hasn't been received on a NS-VC: - NS_RESET_ACK (see 3GPP TS 08.16, 7.3.1) - NS_ALIVE_ACK (see 3GPP TS 08.16, 7.4.1) - NS_STATUS (see 3GPP TS 08.16, 7.5.1) Sponsored-by: On-Waves ehf
* lapd: Extend the test to check if lapdm_channel_exit is idempotentHolger Hans Peter Freyther2013-10-261-0/+10
| | | | | | | | | I have a crash with an older libosmocore and the sysmobts. I am not sure how we can have a release for a channel where the lapdm_channel has not gone through lapdm_channel_init. But to prevent the crash we can promise lapdm_channel_exit to be idempotent. It has been idempotent since f5a079f739c57d8be7c59149fd45475c402a45fc
* gprs: Address coverity warning for gprs_ns_tx_status resultHolger Hans Peter Freyther2013-10-251-8/+10
| | | | | | Add a #define for the check and use this in this path as well. Fixes: Coverity CID 1103092
* gprs: Address coverity warning on unchecked return of gprs_ns_tx_reset_ackHolger Hans Peter Freyther2013-10-251-1/+5
| | | | Fixes: Coverity CID 1111545
* gprs: Address coverity warning on unchecked return of gprs_ns_tx_statusHolger Hans Peter Freyther2013-10-251-1/+4
| | | | | | | We could consider creating a CHECK MACRO that will print a message in case of a tx failure. Fixes: Coverity CID 1111544
* gprs: Make sure that the buf is NULL terminated at the endHolger Hans Peter Freyther2013-10-251-0/+1
| | | | Fixes: Coverity CID 1107253
* debian: Update the changelogHolger Hans Peter Freyther2013-10-251-1/+2
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* gb: Create new NSVC object instead of patching the NSVCIJacob Erlbeck2013-10-243-16/+40
| | | | | | | | | When a RESET is received on the same link with a different NSVCI from a BSS on a dynamically created NS connection do not patch the nsvc object but create a new one instead. Thus the NSVCI is never modified at a nsvc object after the NS-VC has been established. Sponsored-by: On-Waves ehf
* gb: Fix RESET handling with changing NSEIJacob Erlbeck2013-10-242-50/+67
| | | | | | | | | This modifies the NS stack's behavior to accept RESET and RESET_ACK NSEI changes for NS-VC dynamically created by RESET messages from BSSes. This feature is not used for NS-VC configured via VTY or NS-VC to a SGSN. Sponsored-by: On-Waves ehf
* gb: Fix NS RESET/RESET_ACK abnormal casesJacob Erlbeck2013-10-244-157/+294
| | | | | | | | | | | | | | | | This changes the implementations for the reception of RESET and RESET_ACK to be compatible with 3GPP TS 08.16, 7.3.1: - Just send a RESET_ACK with correct values back to the SGSN when a RESET with an invalid NSVCI or NSEI has been received. - Check RESET_ACK for matching NSEI and NSVCI. - Ignore unexpected RESET_ACKs. In addition, use RESET_ACK from a BSS to update the BSS source address based on the NSVCI to be tolerant with changing UDP source addresses/ports. Sponsored-by: On-Waves ehf
* gb: Add test cases for NS RESET proceduresJacob Erlbeck2013-10-242-0/+703
| | | | | | | | | | | | Add a test handling proper and mismatching RESETs. The latter may occur, when ports change within a NS-VC without the SGSN getting notice. This tests for the behavior of the NS protocol stack for RESET and RESET_ACK messages which changing/invalid NSEI and NSVCI like it is being described in 3GPP TS 08.16, 7.3.1. Sponsored-by: On-Waves ehf
* gb: Fix gprs_nsvc_delete() to free ctr groupJacob Erlbeck2013-10-243-0/+128
| | | | | | | | | | | | | | | | | | | | This fixes a SEGV error that happens the next time the statistics are updated. Addresses: Program terminated with signal 11, Segmentation fault. #0 0xb7711fa5 in rate_ctr_group_intv (grp=<optimized out>) at rate_ctr.c:107 107 for (i = 0; i < grp->desc->num_ctr; i++) { #0 0xb7711fa5 in rate_ctr_group_intv (grp=<optimized out>) at rate_ctr.c:107 #1 rate_ctr_timer_cb (data=0x0) at rate_ctr.c:129 #2 0xb770ec59 in osmo_timers_update () at timer.c:243 #3 0xb770ef7a in osmo_select_main (polling=0) at select.c:133 #4 0x08049987 in main (argc=3, argv=0xbfba8084) at gb_proxy_main.c:306 Sponsored-by: On-Waves ehf
* gb/vty: Fix the VTY node string for L_NS_NODEJacob Erlbeck2013-10-241-1/+1
| | | | | | | Use 'config-ns' instead of plain 'ns' and append a blank after the '#' to make the vty python test script work. Sponsored-by: On-Waves ehf
* gb/vty: Perform NS-VC operations based on NS-VCIJacob Erlbeck2013-10-241-5/+15
| | | | | | | | | This adds a 'nsvc nsvci <0-65535> (block|unblock|reset)' vty command. It selects the NS-VC based on the nsvci instead of using the first with a matching NSEI, like it is done when the 'nsei' keyword is used instead. Sponsored-by: On-Waves ehf
* misc: Ignore generated filesHolger Hans Peter Freyther2013-10-171-0/+2
| | | | | * compile is generated by newer automake * ignore the test binary
* debian: Bump the changelog for some new packagesHolger Hans Peter Freyther2013-10-171-1/+2
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* gb: Fix gprs_active_nsvc_by_nsei()Jacob Erlbeck2013-10-172-12/+12
| | | | | | | The state matching condition is inverted. This is corrected by this fix. Sponsored-by: On-Waves ehf
* gb: Test sending messages to the SGSNJacob Erlbeck2013-10-172-53/+418
| | | | | | | This adds tests for the gprs_ns_sendmsg() function. For this it merges back functions from the gbproxy test. Sponsored-by: On-Waves ehf
* release: Prepare the 0.6.4 release of libosmocoreHolger Hans Peter Freyther2013-10-154-4/+10
| | | | New interfaces and ABI incompatible changes in the GB library
* ussd: Fix text of RELEASE COMPLETEAlexander Huemer2013-10-151-1/+1
| | | | | | Before the assigned value (0xFF) was truncated, reg->text[0] is of type char. A corresponding test for the same value in openbsc could only fail.
* gb: Fix gprs_ns_rx_reset to not create NS-VC duplicatesJacob Erlbeck2013-10-154-77/+187
| | | | | | | | | | | | | | | | | | | | | | | | | Under special circumstances (see below) receiving a NS-RESET leads to duplicated NS-VC entries. This happens when the source port of a NS-VC changes to a new one that has already been used by another NS-VC. This patch changes gprs_ns_rx_reset() to check for this case and to use the existing NS-VC object. The NS-VC object that was associated with the source address before is detached from this source but kept in the NS-VC list so that it can be reattached when a correspondent NS-RESET is received later on. Meanwhile it will have a cleared link layer address which will not match a real link info. A new counter NS_CTR_REPLACED is incremented each time when the NS-VC object is replacing another one. A new signal S_NS_REPLACED is added which gets dispatched in this case, too. Another new counter NS_CTR_NSEI_CHG is incremented each time when the NSEI of a NS-VC object (with fixed NSVCI) changes. Ticket: OW#874 Sponsored-by: On-Waves ehf
* gb: Add functions to access the LL part of the NS-VC objectsJacob Erlbeck2013-10-154-12/+52
| | | | | | | | Adds the functions gprs_ns_ll_copy() and gprs_ns_ll_clear(). Renames gprs_ns_format_peer() to gprs_ns_ll_str(). All of these functions uniformly access the link layer part within the NS-VC objects. Sponsored-by: On-Waves ehf
* gb: When sending on a NS-VC group use the first active NS-VCJacob Erlbeck2013-10-141-18/+29
| | | | | | | | | | | | Currently this first NS-VC with a matching NSEI is always used to send a UNITDATA message via gprs_ns_sendmsg(). If the NS-VC found is either dead or blocked, an error is returned. This patch changes to code to skip blocked or dead NS-VCs while searching and return the error if no usable NS-VC is found. This makes it possible to have several NS-VCs per connection group. Sponsored-by: On-Waves ehf
* tests/gb: Show invoked signals in test outputJacob Erlbeck2013-10-114-1/+57
| | | | | | | Register an osmo signal handler to print a short notice about every SS_L_NS signal that is generated while processing the tests. Sponsored-by: On-Waves ehf
* vty: Make vty_event dispatch signals and use it in the testcaseHolger Hans Peter Freyther2013-10-104-5/+45
| | | | | | | | | The testcase didn't work on Ubuntu 12.04 because vty_create will directly call vty_event (e.g. not through the plt). This means that the approach to override vty_event in the testcase failed. Use the signal interface of libosmocore and make the testcase use it. The signals can be generally useful as well.
* debian: Print test results in case of a failureHolger Hans Peter Freyther2013-10-101-0/+4
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* gb: Use the NS-VCI to find an existing NS-VCJacob Erlbeck2013-10-082-7/+8
| | | | | | | | | | | | | | | | Currently when a NS-RESET is recevied over a link that has not yet been associated with a NS-VC, the NSEI is used to find an existing NS-VC. If one is found, the reset procedure is initiated. This behaviour is not conformant with 3GPP TS 08.16 (see chapter 4.2.3) which allows to use several NS-VC between two endpoints in parallel. The patch changes the implementation to use the NSVCI instead of the NSEI to search for an existing NS-VC object. Ticket: OW#874 Sponsored-by: On-Waves ehf
* gb: Fix NS-RESET response message orderJacob Erlbeck2013-10-082-23/+25
| | | | | | | | | | | | | | According to 3GPP TS 08.16, 7.3 "Reset procedure" the entity receiving a NS-RESET PDU responds with a NS-RESET-ACK and 'then' starts the test procedure which essentially means, that a NS-ALIVE gets sent and a timer is started. Currently the NS-ALIVE is sent before the NS-RESET-ACK. This patch fixes the implementation by reversing the order in which these messages are sent. Sponsored-by: On-Waves ehf
* gb: Separate nsvc creation from NS message processingJacob Erlbeck2013-10-082-55/+153
| | | | | | | | | | | | This patch refactors gprs_ns_rcvmsg() by moving the parts relevant to the NS messages into the new functions gprs_ns_vc_create() (nsvc object creation) and gprs_ns_process_msg() (main NS automaton). These do not contain code that directly depends on the link layer (they call other functions that still do). This reduces the gprs_ns_rcvmsg() function to calling these two functions and optionally setting up the link layer specific fields of the nsvc. Sponsored-by: On-Waves ehf
* tests/gb: Add test for GPRS NS protocolJacob Erlbeck2013-10-084-1/+383
| | | | | | This tests the connection establishment by directly calling gprs_ns_rcvmsg() and printing the resulting messages and the NS-VC list.
* tests: Fix warningsJacob Erlbeck2013-10-085-5/+8
| | | | | | This fixes warnings that are raised by missing includes, missing casts, missing return statements, using printf %lu with uint64_t, and unused symbols.
* msgb: Add may_alias attribute to struct libgb_msgb_cbJacob Erlbeck2013-10-081-1/+1
| | | | | | | | | | This explicitely allows aliasing of this struct to avoid the warning shown below. Note, that this warning isn't show when '-fno-strict-aliasing' is used. Addresses: gb/gprs_ns_test.c:85:54: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
* tests: Fix the sms_test and use the right arrayHolger Hans Peter Freyther2013-10-081-1/+1
| | | | | | It started to behave weird on Debian Testing (GCC 4.8), I compiled it with address sanitizer support and set a breakpoint in __asan_report_error to get a backtrace.
* bssgp: Address various compiler warnings in the bssgp codeHolger Hans Peter Freyther2013-09-161-0/+3
| | | | | | | | | gb/bssgp_fc_test.c: In function ‘fc_out_cb’: gb/bssgp_fc_test.c:46:1: warning: no return statement in function returning non-void [-Wreturn-type] gb/bssgp_fc_test.c: In function ‘fc_in’: gb/bssgp_fc_test.c:56:1: warning: no return statement in function returning non-void [-Wreturn-type] gb/bssgp_fc_test.c: In function ‘test_fc’: gb/bssgp_fc_test.c:79:3: warning: implicit declaration of function ‘usleep’ [-Wimplicit-function-declaration]
* gsm48: Added 'Network Daylight Saving Time' info elementJacob Erlbeck2013-09-162-0/+2
| | | | | | | | This information element has been added to the MM Information message in GSM24.008. This patch adds it to the tlv_definition to keep the TLV parser from breaking. Ticket: OW#978
* vty: Allow vty_go_parent() in all nodes.Jacob Erlbeck2013-09-111-5/+25
| | | | | | | This patch removes an assertion of node > CONFIG_NODE and changes the function to handle all nodes properly. For the sake of completeness, the generic 'exit' command implementation is extended to work properly with all nodes, too.
* vty: Fix compiler warning in the testHolger Hans Peter Freyther2013-09-101-1/+2
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* vty: Replace 'enum node_type' by 'int' for last_nodeJacob Erlbeck2013-09-101-1/+1
| | | | | In this case the last_node variable may hold values that are not in enum node_type, so int is used instead.
* vty: Add vty_install_default() and use for the vty nodesJacob Erlbeck2013-09-086-7/+188
| | | | | | | | | | | This adds the vty_install_default() function that is basically the install_default() function plus the registration of the commands 'exit' and 'end'. The latter is only provided in subnodes of ENABLED_NODE and CONFIG_NONE. The VTY test program is extended to check these commands. Ticket: OW#952
* vty: Refactored vty_go_parent(), 'end' and 'exit'Jacob Erlbeck2013-09-081-22/+35
| | | | | | Put all 'exit' logic into vty_go_parent() and replace the implementations of 'exit' and 'end' by generic ones that use vty_go_parent().
* vty: Rename is_config() to is_config_child()Jacob Erlbeck2013-09-081-3/+3
| | | | | The function is_config() returns 0 for CONFIG_NODE. Since that node is a config node, the function is renamed to resolve this.
* misc: Include time.h for time_t on FreeBSDHolger Hans Peter Freyther2013-09-041-0/+2
| | | | | Fix the build after I changed the order of header files in the SMS test.
* Merge branch 'zecke/features/alpha-numeric'Holger Hans Peter Freyther2013-09-045-10/+103
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