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615 Commits (4c1d3ef7e88748869abb79e7ad5ebf88a16f20ac)

Author SHA1 Message Date
Francisco Paisana 67d6a25194 Moving mac timers to stack timers (#638) 
* first step towards moving MAC timers to stack. Mac is still using its own timers. srslte::timers class can be restructured.

* moved timers out of the UE MAC
 5 years ago
Digicrat 86ec3101e0 Fix bug wherein blank lines or trailing newlines causes parsing of user_db.csv to fail. 5 years ago
Pedro Alvarez 494be243c0 Changed security direction to use an enum. 6 years ago
Andre Puschmann 5faa819dcd fixing uninitialized class members found by coverity 6 years ago
Pedro Alvarez de4d459e5f Fix issue of IMSI context already present when receiving a GUTI attach with bad integrity. This could cause a sigpipe in the EPC when the eNB was re-started. 6 years ago
Pedro Alvarez b617f76bdc S1AP Debug message. 6 years ago
Pedro Alvarez b97d1191f4 Added more debug info at eNB GTP-U. Changed the pdcp_entity to follow the standard more strictly for RLC AM DRBs. 6 years ago
Pedro Alvarez 609e5cce2c Initializing attach request in EPC NAS. 6 years ago
Pedro Alvarez 2ed60412b9 Removing debug printfs. 6 years ago
Pedro Alvarez 36bd20d308 Making sure that the security algorithms are kept when the NAS context is reset. Attach request after a service reject seems to work now (with COTS UE). 6 years ago
Pedro Alvarez 50506ffa26 Changed NAS initialization from init function to constructor. Continuing to add the logic to handle attach request as a Uplink NAS message. Added debug log to s1ap::send_downling_nas_message. 6 years ago
Pedro Alvarez 20ee17088f Starting to add handling of attach request as a Uplink NAS transport message. 6 years ago
Pedro Alvarez d67d18cc6b Removing deplicated error codes. 6 years ago
Andre Puschmann e47010130f extend thread class to set unique thread name in ctor 
this will also extend all classes that use srslte::thread
to specify the name of the thread in the ctor as well
as to set the name of the worker threads in the thread pool
the thread name will be displayed in gdb.
 6 years ago
Francisco Paisana 0e3baa0f2f Renamed the reset() method of byte_buffer_t to clear() 6 years ago
Andre Puschmann 7e5e2b142e fix uninitialized members in MME NAS 6 years ago
Pedro Alvarez f303167206 Fix GTP-C socket initialization to remove compiler warnings. 6 years ago
Andre Puschmann 4c16a1f719 fix uninitialized struct 6 years ago
Andre Puschmann 64dd4c1fc4 fix issue when packing service reject fails and NAS uses initialized logger 6 years ago
Andre Puschmann 4b01a2e4a0 update copyright notice 6 years ago
Andre Puschmann 205db6f229 add missing license headers 6 years ago
Ismael Gomez 7780b1aba5 add tdd/ca support 6 years ago
Pedro Alvarez 64d50040e7 Changed some paging logs to debug and removed noisy print to console in the EPC 6 years ago
Pedro Alvarez 49577b6b5f Making sure that packet queued in the SPGW is freed when queue_downlink_packet enconters errors. Reverse the order of sending paging and queueing packet so that paging_pending is properly set to true. 6 years ago
Pedro Alvarez 7cdc012bb2 Printing fixes in the EPC for ARM 6 years ago
Pedro Alvarez 1bac758a85 EPC now sends service reject to a UE that sends service request with bad integrity. 6 years ago
David Rupprecht dabf586316 ISMI to IMSI typo 6 years ago
Pedro Alvarez d7d461fb8c Change user_db.csv.example to consider static IPs. Changed warning print in HSS. 6 years ago
Joseph Giovatto 056bfef996 use inet_pton to vefify ip address validity 6 years ago
Joseph Giovatto fa99aa590e added support for optional ue static ip address (rebase #225) 6 years ago
Andre Puschmann 41c85adaf2 handle EPC config file errors gracefully 6 years ago
Pedro Alvarez 3ad19f21b6 Adding per UE authentication algorithm choice to the HSS and users_db.csv. 6 years ago
Pedro Alvarez ca603810ce Adding Downlink data notification and paging functionality to the EPC. 
This entails:

  * Adding S1AP paging messaging to the MME.
  * Adding the Downlink Data Notification, Donlink Data Notification Acknoledgment, and Downlink Data Notification Failure Messages.
  * Adding the logic at the GTP-U to detect that Downlink Data notification needs to be sent.
  * Proper handling of the new GTP-C messages at the MME GTPC and SPGW GTPC classes
  * Add queuing mechanisms at the GTP-U while waiting for paging response. Queue is flushed when paging fails (timeout or other).
  * Make sure eNB's SCTP information is properly stored.
  * Make sure UE's GUTI information is properly stored.
 6 years ago
Pedro Alvarez 1db959c661 Added NAS timer functionality to the EPC. This entails: 
* Adding timer creation at NAS using timerfd_create
  * Adding the ability to add and remove the timer file descriptor to the MME main select loop
  * Adding the ability to the MME for the NAS to check if a timer is running
  * Adding the timer expiry handling functionality at the MME
 6 years ago
Pedro Alvarez 9463b95dc1 Remove unused mutex in the SPGW. 6 years ago
Pedro Alvarez 3933b269d7 Added GTP-C message passing between MME and SPGW using UNIX sockets. 
* Added S11 sockets to SPGW select and MME select
  * Added send_s11_pdu message to SPGW and MME
  * Remove pointer for replies in handle_s11_pdu
 6 years ago
Pedro Alvarez 3e9f10e20d Adding S11 initialization in MME and SPGW as unix sockets. 6 years ago
Pedro Alvarez 5f7b6ba79e Split GTP-C and GTP-U functionality into seperate classes in the SPGW. Added GTP-U specific logging in the EPC. Added handle_s11_pdu function to both the MME GTP-C entity and the SPGW GTP-C entity. 6 years ago
Pedro Alvarez 6e500c5b86 Changed initilization of the NAS at the EPC, to make it easier to add new interfaces. 6 years ago
Pedro Alvarez add60c1288 Applied clang-format to the EPC. 6 years ago
Andre Puschmann a436baed39 fix build string for builds without valid .git folder 6 years ago
Pedro Alvarez c5dad67a16 Adding catch to boost program options parser. 6 years ago
Francisco Paisana 0204db2e12 new asn1 rrc library 6 years ago
Pedro Alvarez b675e1fcc9 Ciphering EMM information message. Chainging detach_request security header in the UE to integrity and ciphered to avoid malformed message. 6 years ago
Pedro Alvarez b5d5f9f91c Re-adding support for EIA2 in EPC. 6 years ago
Pedro Alvarez 179aeddfa2 Added encryption of security mode command and attach accept again. Attach is working with encryption. 6 years ago
Pedro Alvarez 412b08c4bf Fixed UL nas count increment for GUTI with known UE and Service Request. Both seem to work now. 6 years ago
Pedro Alvarez 997c24c099 Added config of cipher_algo and integ_algo initialization in NAS class. 6 years ago
Pedro Alvarez 5eacdd5418 Fixed compilation issues. Attach failing with COTS UE. 6 years ago
Pedro Alvarez 31a25067f5 Merging David Ruprecth's mme_msg_encryption branch into next. Not compiling. 6 years ago
Pedro Alvarez a5a7eb02d2 Merge branch 'next' of github.com:softwareradiosystems/srsLTE into next 6 years ago
Andre Puschmann df7ab7ffe8 Merge branch 'master' into next 6 years ago
Pedro Alvarez 60fdc9ebe2 Small commit. 6 years ago
Pedro Alvarez ac0aa76afc Small print changes on NAS. 6 years ago
Pedro Alvarez 9380d56bbf Changing prints in S1AP and SPGW. 6 years ago
Pedro Alvarez 7fd6ae4c40 Changing NAS printing. 6 years ago
Pedro Alvarez 983ba4a3ab Strating to change prints in the HSS. 6 years ago
yagoda 94ec379f68 Small commit to test changes in prints. 6 years ago
rubund b801c3dd4e Fix some spelling errors detected by lintian (#271) 6 years ago
Pedro Alvarez 0320d475e9 Fix Uninitialized QoS options in attach accept. 6 years ago
David Rupprecht c480e57721 Config based security algorithm selection 6 years ago
David Rupprecht 3b7eeb5909 Do security (integrity checks in case of NAS UL message 6 years ago
David Rupprecht 1442606ee1 Encryption for ESM request 6 years ago
David Rupprecht 82f69d66dc ul_nas_count increment tau request 6 years ago
David Rupprecht 4a2c563f85 increase uplink ul nas count 6 years ago
David Rupprecht 2543a84aa4 Minor changes in nas uplink transport and increase uplink count 6 years ago
David Rupprecht 718262eaaf restucture NAS uplink message: todo security of message 6 years ago
David Rupprecht 894471e326 restructure handle_initial_ue_message 6 years ago
David Rupprecht 0dfa6426dd restructure handle_initial_ue_message 6 years ago
David Rupprecht e5e091b0c9 Minor fixes and code clean up 6 years ago
David Rupprecht e547883a8f Wrapper functions for integrity generate 6 years ago
Andre Puschmann cd7008a269 fix typo 6 years ago
David Rupprecht 7eef2c1c4b start with decryption function 6 years ago
Andre Puschmann 23836a8ab3 Merge branch 'next' into nas_cleanup 6 years ago
Andre Puschmann 15d439761a log build info in eNB/EPC logs 6 years ago
Pedro Alvarez 3cddad79cc Adding ability to configure names of TUN interfaces. (#277) 
* added config option for tun dev names vs fixed names added config option for M1-U interface addr

* Added options to sgi_mb tun name.

* Added some comments to mbms.conf.example

* Added some comments to example configs to explain the new values.
 6 years ago
Pedro Alvarez 35ca9ffd34 Adding TTL option 6 years ago
Pedro Alvarez 3ecacdf3a6 Adding selection of local interface at the MBMS-GW. 6 years ago
Pedro Alvarez d443604661 Merge next into gtp_cleanup_sn. Fixed some conflicts. 6 years ago
Andre Puschmann 0deda67930 print build-info during epc startup 6 years ago
Pedro Alvarez c1f633c5c7 Dropping bitfields for now. Using #defines and uint8_t for the flags. 6 years ago
Pedro Alvarez e320c33aef Fixed last compilation issues. 6 years ago
Pedro Alvarez ee04639337 Changed gtpu header flags to use a bitfield. Fixing compilation issues. 6 years ago
Pedro Alvarez 8072aaa091 Fixed minor mistake in resolving conflict. 6 years ago
Pedro Alvarez 8dc029cc47 Merging next into NAS cleanup. 6 years ago
Andre Puschmann b27ff06e79 Merge remote-tracking branch 'origin/issue_178' into next 6 years ago
Pedro Alvarez b4f9fb06dd Changing EPC to use uint32_to_uint8 function 6 years ago
Andre Puschmann 860d8af911 Merge branch 'master' into next 6 years ago
Zhe Huang 8b526e1c20 Fix SQN incrementation arithmetic (#212) 
* Fix SQN incrementation arithmetic

Current implementation of increment_sqn function increments the 48 bits
SQN directly by 1 which is incorrect according to 3GPP TS 33.102 version
11.5.1 Annex C. This bug causes commercial UEs to report AUTHENTICATION
FAILURE EMM cause #21 "synch failure" when SQN is out of sync.

According to 3GPP TS 33.102 version 11.5.1 Annex C, 48 bits SQN consists
of 43 bits SEQ and 5 bits IND parts where SEQ are incremented during
generation of authentication vector or resync procedure. A
new IND value is also assigned when an authentication vector is
generated. However, resync procedure will use the same IND value.

This patch implements the increment_sqn function according to 3GPP TS
33.102 version 11.5.1 Annex C. A new function increment_seq_after_resync
is added to handle the special case of SQN arithmetic during SQN
resynchronization.

This patch is tested with two comercial UEs (Oneplus One and Oneplus 3T).

* Fix the maximum value of SEQ value to be 2^43-1

The SEQ value is 43 bits long and previous maximum value has a typo (one
extra F) which allows SEQ value to be 2^47-1. This patch corrects the typo.
 6 years ago
Andre Puschmann a9d46cbad3 Merge branch 'master' into next_test_after_merge 6 years ago
Zhe Huang cd1fb0d81e Set AMF to all zeros during resync (#213) 
During the resync procedure, the security_milenage_f1_star generates a
MAC_S value that does not match the MAC_S value reported in AUTS. This
posts a security risk.

According to 3GPP TS 33.102 version 11.5.1 section 6.3.3, the AMF used
to calculate MAC-S assumes a dummy value of all zeros so that it does
not need to be transmitted in the clear in the re-synch message.

This patch corrects this problem. MAC_S reported by AUTS matches the
MAC_S calculated using f1_star function after the fix.
 6 years ago
Pedro Alvarez 7bad5a52a0 Merging handling of initial UE messages as static methods into nas cleanup. 6 years ago
Pedro Alvarez 9350e03810 Changed detach request and tracking area update request to nas.cc 6 years ago
Pedro Alvarez d2cb01ce87 Deleted old service request. 6 years ago
Pedro Alvarez a9e5b3b8e9 Changed service request to nas.cc 6 years ago
Pedro Alvarez 4313fb1e72 Making sure M-TMSI is in host order in other small bug fixes. 6 years ago
Pedro Alvarez 3337f21ffa Added handle GUTI attach from known UE again. 6 years ago
Pedro Alvarez 0d80ae795b Added IMSI attach from unknown UE as a static function. 6 years ago
Pedro Alvarez 0ddb3d39dc Moved handle_imsi_attach_request_from_unknown_ue to nas.cc in static method. Working. 6 years ago
Pedro Alvarez 860e1b5491 Changing Handling of initial UE NAS messages to use static methods. Handling of unknown GUTI attach request should be ok. 6 years ago