Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 1 | module L3_Common { |
| 2 | |
| 3 | import from Osmocom_Types all; |
| 4 | import from General_Types all; |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 5 | import from MobileL3_GMM_SM_Types all; |
Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 6 | |
| 7 | type record AuthVector { |
| 8 | OCT16 rand, |
| 9 | OCT4 sres, |
| 10 | OCT8 kc |
| 11 | /* FIXME: 3G elements */ |
| 12 | } |
| 13 | |
| 14 | private function f_rnd_oct(integer len) return octetstring { |
| 15 | var integer i; |
| 16 | var octetstring res; |
| 17 | for (i := 0; i < len; i := i + 1) { |
| 18 | res[i] := int2oct(float2int(rnd()*256.0), 1); |
| 19 | } |
| 20 | return res; |
| 21 | } |
| 22 | |
| 23 | function f_gen_auth_vec_2g() return AuthVector { |
| 24 | var AuthVector vec; |
| 25 | vec.rand := f_rnd_oct(16); |
| 26 | vec.sres := f_rnd_oct(4); |
| 27 | vec.kc := f_rnd_oct(8); |
| 28 | return vec; |
| 29 | } |
| 30 | |
Harald Welte | 14a0f94 | 2018-02-16 20:42:23 +0100 | [diff] [blame] | 31 | /* 3GPP TS 23.003 2.6 */ |
| 32 | type enumerated TlliType { |
| 33 | TLLI_LOCAL, |
| 34 | TLLI_FOREIGN, |
| 35 | TLLI_RANDOM, |
| 36 | TLLI_AUXILIARY, |
| 37 | TLLI_RESERVED, |
| 38 | TLLI_G_RNTI, |
| 39 | TLLI_RAND_G_RNTI |
| 40 | } |
| 41 | |
| 42 | /* 3GPP TS 23.003 2.6 */ |
| 43 | function f_gprs_tlli_type(OCT4 tlli) return TlliType { |
| 44 | var bitstring tllib := oct2bit(tlli); |
| 45 | if (substr(tllib, 0, 2) == '11'B) { |
| 46 | return TLLI_LOCAL; |
| 47 | } else if (substr(tllib, 0, 2) == '10'B) { |
| 48 | return TLLI_FOREIGN; |
| 49 | } else if (substr(tllib, 0, 5) == '01111'B) { |
| 50 | return TLLI_RANDOM; |
| 51 | } else if (substr(tllib, 0, 4) == '0110'B) { |
| 52 | return TLLI_RESERVED; |
| 53 | } else if (substr(tllib, 0, 3) == '010'B) { |
| 54 | return TLLI_RESERVED; |
| 55 | } else if (substr(tllib, 0, 4) == '0000'B) { |
| 56 | return TLLI_G_RNTI; |
| 57 | } else if (substr(tllib, 0, 4) == '0001'B) { |
| 58 | return TLLI_RAND_G_RNTI; |
| 59 | } else { |
| 60 | setverdict(fail, "Unknonw TLLI Type ", tllib); |
| 61 | self.stop; |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | function f_gprs_tlli_random() return OCT4 { |
| 66 | var OCT4 tlli := f_rnd_octstring(4); |
| 67 | return tlli or4b 'c0000000'O; |
| 68 | } |
| 69 | |
Harald Welte | 5a4fa04 | 2018-02-16 20:59:21 +0100 | [diff] [blame] | 70 | function f_RAI(HEX0_3n mcc, HEX0_3n mnc, OCT2 lac, OCT1 rac) return RoutingAreaIdentificationV { |
| 71 | if (lengthof(mnc) == 2) { |
| 72 | mnc := mnc & 'F'H; |
| 73 | } |
| 74 | var RoutingAreaIdentificationV ret := { |
| 75 | mccDigit1 := mcc[0], |
| 76 | mccDigit2 := mcc[1], |
| 77 | mccDigit3 := mcc[2], |
| 78 | mncDigit3 := mnc[2], |
| 79 | mncDigit1 := mnc[0], |
| 80 | mncDigit2 := mnc[1], |
| 81 | lac := lac, |
| 82 | rac := rac |
| 83 | } |
| 84 | return ret; |
| 85 | } |
Harald Welte | 158a7ca | 2018-02-16 18:11:31 +0100 | [diff] [blame] | 86 | |
| 87 | |
| 88 | } |