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28 Commits

Author SHA1 Message Date
Pau Espin b3845d5b0b [MME] Constify params in mme-context and depending APIs 2024-01-06 07:42:32 +09:00
Pau Espin 2a840297f8 cosmetic: Fix trailing whitespace 2024-01-06 07:42:32 +09:00
Sukchan Lee e92293e0af
[SEPP] Initial Update for 5G Roaming (#2739) 
[SEPP] Initial Update for 5G Roaming
 2023-11-19 19:34:51 +09:00
Sukchan Lee 8a3dbd44ae [MME] Protection code for No IMSI (#2613, #2614) 2023-09-16 22:27:21 +09:00
Pau Espin 84ed735204 mme: Introduce initial Gn iface (GTPv1C) support 
This interface allows supporting several inter-RAT mobility features
towards pre-rel8-SGSNs (SGSNs without S3/S4 GTPV2C interface).

Related specs:
- 3GPP TS 23.401:
-- "5.6 Network Assisted Cell Change"
-- "5.15 RAN Information Management (RIM) procedures"
--  "Annex D"
- 3GPP TS 23.060 (general GERAN<->GERAN mobility)
- 3GPP TS 29.060
 2023-07-15 23:44:57 +09:00
Sukchan Lee 424f382265 [AMF/MME] Support TAI Range 2023-03-19 18:31:45 +09:00
Sukchan Lee 69c080c8f2 [NAS/GTP/PFCP] Upgrade IE to Release-17 
As raised in #2147, AMF fails to decode S1 UE Network Capability.

So I reviewed all IE in NAS, GTP and PFCP and fixed it for Release-17.
 2023-03-11 18:42:30 +09:00
Sukchan Lee 62b6b42e88 [Release-17] Upgrade NAS to v17.8.0 2023-03-04 23:47:40 +09:00
Sukchan Lee c6fd4ae6b8 [LOG] remove ogs_expect_or_return()/return_val() 2023-01-24 00:01:36 +09:00
Sukchan Lee 7031856cd7 [MME] Changed S1AP_Cause in S1AP Release (#1676) 
S1AP_CauseNas_detach -> S1AP_CauseNas_normal_release
 2022-07-31 12:38:11 +09:00
Sukchan Lee 668cc59f94 [AMF] Fixed 5GMM cause in Reject message (#1660) 
When a UE that requests slices tries to connect and there are no slices configured, the reject message is:

5GMM cause = 0x7 (5GS Services not allowed)

however it should be:

5GMM cause = 0x3e (No network slices available)

All 5GMM cause value in reject message is reviewed in this commit
 2022-07-19 12:42:02 +09:00
Sukchan Lee 866ae78f5e [NRF] fix the crash for invalid FQDN (#1333) 2022-01-22 09:34:38 +09:00
Sukchan Lee 79239d8eff [IMPORTANT] changed network_access_mode: 0 (#1323) 
The network access mode of HSS has been changed to 0 (Packet and Circuit).

Versions of MME prior to v2.4.2 did not use this value. Open5GS set
the attach result of Attach Complete message as it is by looking
at the attach type of the Attach Request message.

Now, if the network access mode of HSS is set to 2 (Only Packet),
this value is affected by MME from v2.4.3. Regardless of the attach type
of the Attach Request, the MME will set EPS Only to the attach result
of Attach Complete.
 2022-01-16 12:35:55 +09:00
Sukchan Lee bfa34be222 fix the buffer overflow (CVE-2021-41794) 2021-11-15 15:49:58 +09:00
Sukchan Lee f05accc7f3 MME/AMF will not crash with no APN length (#1199) 2021-10-13 23:01:24 +09:00
Sukchan Lee 13f1b390ae CVE-2021-41794 from NCC Group by Mark Tedman 
When connecting to the UPF port for the PFCP protocol (8805) and sending
an association setup request followed by a session establishment request
with a PDI Network Instance set to ‘internet’, it causes a stack corruption
to occur.

So, ogs_fqdn_parse() fixed.
 2021-10-01 22:41:03 +09:00
Sukchan Lee 00c96a3f0f [NAS] fix the security issue (ZDI-CAN-14043) 2021-06-21 14:56:03 +09:00
Sukchan Lee 4537142929 [EPC] Support ePDG Interface (#1039) 2021-06-21 22:36:38 +09:00
Sukchan Lee 118d62d42d Add more memory log 2021-06-06 22:35:46 +09:00
Sukchan Lee b0e8dbb31a [NAS] Protection for malformed NAS message (#959) 
Add the protection code to avoid AMF/MME crash due to malformed NAS
message
 2021-05-07 23:04:48 +09:00
Sukchan Lee 8e048be082 Release v2.0.0 2020-08-21 23:33:45 -04:00
Sukchan Lee 3b0db8c384 Fix the bug for Release-16 2020-07-03 01:03:13 -04:00
Sukchan Lee fae342ecce Apply Release-16 in 4G EPC(S1AP,NAS,GTP) 2020-07-01 00:22:55 -04:00
Sukchan Lee b35c2277be simple 5GC registration is done 2020-06-21 23:10:54 -04:00
Sukchan Lee dbee687a75 Add only one 5GC scenario (call-flow) 2020-06-17 01:22:28 -04:00
Sukchan Lee 6ef5a746e5 NGSetup is added 2020-05-25 12:15:22 -04:00
Sukchan Lee 6f6800b52e NGAP is added 2020-05-22 22:24:48 -04:00
Sukchan Lee a9eaed18aa NAS-5GS is added 2020-05-21 21:24:21 -04:00