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9fbb6008e0
Overlong IMSIs in ID RESP messages were accepted and used in truncated form. Log an error when truncation occurs, and prevent truncated IMSIs from being installed for a subscriber via ID RESP messages. Other code paths leading to vlr_subscr_set_imsi() with truncated IMSIs will only a leave a trail of log entries for now, because vlr_subscr_set_imsi() is currently unable to return an error code. Change-Id: I785c994f41a646d8d83d3d82f5a9ae6b572eb641 Related: OS#2864
About OsmoMSC ============= OsmoMSC originated from the OpenBSC project, which started as a minimalistic all-in-one implementation of the GSM Network. In 2017, OpenBSC had reached maturity and diversity (including M3UA SIGTRAN and 3G support in the form of IuCS and IuPS interfaces) that naturally lead to a separation of the all-in-one approach to fully independent separate programs as in typical GSM networks. OsmoMSC was one of the parts split off from the old openbsc.git. Before, it was the libmsc part of the old OsmoNITB. Since a true A interface and IuCS for 3G support is available, OsmoMSC exists only as a separate standalone entity. OsmoMSC exposes - GSUP towards OsmoHLR (or a MAP proxy); - A over IP towards a BSC (e.g. OsmoBSC); - IuCS towards an RNC or HNB-GW (e.g. OsmoHNBGW) for 3G voice; - MNCC (Mobile Network Call Control derived from GSM TS 04.07); - SMPP 3.4 (Short Message Peer-to-Peer); - The Osmocom typical telnet VTY and CTRL interfaces. Find OsmoMSC issue tracker and wiki online at https://osmocom.org/projects/osmomsc https://osmocom.org/projects/osmomsc/wiki