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6 Commits

Author SHA1 Message Date
Oliver Smith 894be2d9da gsm23003: add osmo_imei_str_valid() 
Verify 14 digit and 15 digit IMEI strings. OsmoHLR will use the 14
digit version to check IMEIs before writing them to the DB.

Place the Luhn checksum code in a dedicated osmo_luhn() function, so
it can be used elsewhere.

Related: OS#2541
Change-Id: Id2d2a3a93b033bafc74c62e15297034bf4aafe61
 2019-01-14 14:39:57 +00:00
Harald Welte de1da35d51 gsm23003: Add MME domain name related helper functions 
osmo_gen_mme_group_domain(), osmo_gen_mme_group_domain() and
osmo_gen_home_network_domain()

Change-Id: Ia882d9db05ec0037e593aeebea21bc31adb680bb
 2018-10-28 14:16:18 +01:00
Neels Hofmeyr 20f7d0ecb4 fix osmo_mnc_from_str(): don't try to parse NULL 
In osmo_mnc_from_str() do not try to return some values even if the validation
fails; hence don't try to decode a NULL pointer. That whole idea was half-baked
and a can of worms to begin with.

Change-Id: Ibaaa128ac60b941a015a31134eb52aef56bc6e22
 2018-03-05 04:27:40 +01:00
Neels Hofmeyr 721aa6ded9 gsm: add osmo_mnc_from_str(), osmo_mnc_cmp(), osmo_plmn_cmp() for 3-digit MNC 
osmo_mnc_from_str() preserves leading zeros in the string and is useful for
VTY config parsing (osmo-bsc, osmo-msc, osmo-sgsn, osmo-pcu).

osmo_{plmn,mnc}_cmp() takes care of the slight intricacy of ignoring the 3-digit flag
if the MNC is anyway >99. Will be used by osmo-sgsn.git and osmo-bsc.git.  (All
current users just care about identical MNC, but a proper cmp doesn't hurt.)

Change-Id: Ib7176b1d65a03b76f41f94bc9d3293a8a07d24c6
 2018-02-28 19:26:43 +01:00
Neels Hofmeyr 4b7c791e15 gsm: make osmo_imsi_str_valid() NULL-safe 
No callers that would pass NULL exist, but let's check against NULL from the
start.

Fixup for recent change I1e94f5b0717b947d2a7a7d36bacdf04a75cb3522.

Change-Id: I111fbf29228929f2cd6ffa06bcb1f69da223224e
 2017-10-10 14:38:10 +00:00
Neels Hofmeyr 9cd1e7417e add osmo_imsi_str_valid() and osmo_msisdn_str_valid() 
Add GSM23003_IMSI_MIN_DIGITS definition.
Add regression test gsm23003_test.c to test the two new functions.

Will be used by OsmoHLR to validate VTY and CTRL input.

Change-Id: I1e94f5b0717b947d2a7a7d36bacdf04a75cb3522
 2017-10-05 19:44:28 +02:00