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MAP_SEND_IMSI (Return Result Last) - если у меня баг то где?

 
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Alex_P



Joined: 07 Apr 2008
Posts: 12

PostPosted: Mon Apr 07, 2008 4:05 pm    Post subject: MAP_SEND_IMSI (Return Result Last) - если у меня баг то где? Reply with quote

Искусственно сгенерированное сообщение MAP_SEND_IMSI (Return Result Last):
Quote:
82 82 3f 83 6f 80 37 10 09 80 03 0e 19 0b 12 07 00 11 04 97 21 43 65 87 f9 0b 12 06 00 11 04 97 21 43 65 87 f0 1e 64 1c 49 04 02 00 00 00 6c 14 a2 12 02 01 01 30 0d 02 01 3a 04 08 52 00 70 19 32 54 76 f8 b7 85


В ASN.1 описании sendIMSI:

Quote:
sendIMSI OPERATION ::= {
ARGUMENT
ISDN-AddressString
RESULT
IMSI
ERRORS {
dataMissing |
unexpectedDataValue |
unknownSubscriber}
CODE local:58 }


Декодер "упирается" на IMSI (сразу после Local Operation Code) в сообщении:

Quote:
Seventest online decoder

MTP2: Russian specifications, 2000
0 .0000010 Backward sequence number...... 2 Dec
1....... Backward indicator bit........ 1 Dec
1 .0000010 Forward sequence number....... 2 Dec
1....... Forward indicator bit......... 1 Dec
2 ..111111 Length indicator.............. 63 Dec
00...... Spare......................... Spare
MTP3: Russian specifications, 2000
3 ....0011 Service indicator............. SCCP
..00.... Spare......................... 0 Dec
10...... Network indicator............. National network
4 ***b14** Destination point code........ 111 Dec
***b14** Originating point code........ 222 Dec
0001.... Signalling link selection..... 1 Dec
SCCP: Russian specifications, 2001
8 00001001 Message type.................. UDT

-- Protocol class
9 ....0000 Protocol class................ Class 0
1000.... Message handling.............. Return on error

10 00000011 Pointer....................... 3 Dec
11 00001110 Pointer....................... 14 Dec
12 00011001 Pointer....................... 25 Dec
13 00001011 Length........................ 11 Dec

-- Called party address
14 .......0 Point code ind................ PC absent
......1. SSN ind....................... SSN present
..0100.. Global title ind.............. Transl. type & Numb. plan & Enc. scheme
.0...... Routing ind................... Route on GT
0....... Reserved for national use..... 0 Hex
15 00000111 Subsystem number.............. VLR
16 00000000 Translation type.............. 0 Hex
17 ....0001 Encoding scheme............... BCD, odd number of digits
0001.... Numbering plan................ ISDN/Telephony Numbering plan
18 .0000100 Nature of address ind......... International number
0....... Spare......................... 0
19 ***b44** Address signal................ 79123456789
1111.... Filler........................ 15 Dec

25 00001011 Length........................ 11 Dec

-- Calling party address
26 .......0 Point code ind................ PC absent
......1. SSN ind....................... SSN present
..0100.. Global title ind.............. Transl. type & Numb. plan & Enc. scheme
.0...... Routing ind................... Route on GT
0....... Reserved for national use..... 0 Hex
27 00000110 Subsystem number.............. HLR
28 00000000 Translation type.............. 0 Hex
29 ....0001 Encoding scheme............... BCD, odd number of digits
0001.... Numbering plan................ ISDN/Telephony Numbering plan
30 .0000100 Nature of address ind......... International number
0....... Spare......................... 0
31 ***b44** Address signal................ 79123456780
1111.... Filler........................ 15 Dec

37 00011110 Length........................ 30 Dec

-- Data

TCAP: ITU-T Q.773 White book, 1997

-- Message type
38 ***b8*** TAG: class=1 code=4 type=1
39 ***b8*** Length........................ 28 Dec

-- END
40 ***b8*** TAG: class=1 code=9 type=0
41 ***b8*** Length........................ 4 Dec

-- Destination transaction id
42 ***B4*** .............................. 2000000 Hex

46 ***b8*** TAG: class=1 code=12 type=1
47 ***b8*** Length........................ 20 Dec
48 ***b8*** TAG: class=2 code=2 type=1
49 ***b8*** Length........................ 18 Dec

-- Return result last
50 ***b8*** TAG: class=0 code=2 type=0
51 ***b8*** Length........................ 1 Dec

-- Invoke id
52 00000001 Invoke id..................... 01

53 ***b8*** TAG: class=0 code=16 type=1
54 ***b8*** Length........................ 13 Dec

-- Result
55 ***b8*** TAG: class=0 code=2 type=0
56 ***b8*** Length........................ 1 Dec
57 00111010 Local operation code.......... SEND IMSI
Container: cMAP_ReturnResultLast
Wrong Component Length. Must be: 104:bits Decoded: 24:bits
Undecoded data: 04 08 52 00 70 19 32 54 76 F8

MAP: 3GPP TS 29.002 Ver 6.12.0, 2005

Remainder:
B7 85
Time elapsed: 1.00000 sec
Parse completed at: 1.00000 sec
Decoding completed at: 0.00000 sec


Вроде как всё правильно в ASN.1 BER я сгенерил (вручную), а декодер ругается...

Где грабли?
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Сотрудник Seventest


Joined: 30 Sep 2005
Posts: 347
Location: Санкт-Петербург

PostPosted: Wed Apr 09, 2008 1:06 pm    Post subject: Re: MAP_SEND_IMSI (Return Result Last) - если у меня баг то Reply with quote

Alex_P wrote:
Искусственно сгенерированное сообщение MAP_SEND_IMSI (Return Result Last):
Quote:
82 82 3f 83 6f 80 37 10 09 80 03 0e 19 0b 12 07 00 11 04 97 21 43 65 87 f9 0b 12 06 00 11 04 97 21 43 65 87 f0 1e 64 1c 49 04 02 00 00 00 6c 14 a2 12 02 01 01 30 0d 02 01 3a 04 08 52 00 70 19 32 54 76 f8 b7 85


В ASN.1 описании sendIMSI:

Quote:
sendIMSI OPERATION ::= {
ARGUMENT
ISDN-AddressString
RESULT
IMSI
ERRORS {
dataMissing |
unexpectedDataValue |
unknownSubscriber}
CODE local:58 }


Декодер "упирается" на IMSI (сразу после Local Operation Code) в сообщении:

Quote:
Seventest online decoder

MTP2: Russian specifications, 2000
0 .0000010 Backward sequence number...... 2 Dec
1....... Backward indicator bit........ 1 Dec
1 .0000010 Forward sequence number....... 2 Dec
1....... Forward indicator bit......... 1 Dec
2 ..111111 Length indicator.............. 63 Dec
00...... Spare......................... Spare
MTP3: Russian specifications, 2000
3 ....0011 Service indicator............. SCCP
..00.... Spare......................... 0 Dec
10...... Network indicator............. National network
4 ***b14** Destination point code........ 111 Dec
***b14** Originating point code........ 222 Dec
0001.... Signalling link selection..... 1 Dec
SCCP: Russian specifications, 2001
8 00001001 Message type.................. UDT

-- Protocol class
9 ....0000 Protocol class................ Class 0
1000.... Message handling.............. Return on error

10 00000011 Pointer....................... 3 Dec
11 00001110 Pointer....................... 14 Dec
12 00011001 Pointer....................... 25 Dec
13 00001011 Length........................ 11 Dec

-- Called party address
14 .......0 Point code ind................ PC absent
......1. SSN ind....................... SSN present
..0100.. Global title ind.............. Transl. type & Numb. plan & Enc. scheme
.0...... Routing ind................... Route on GT
0....... Reserved for national use..... 0 Hex
15 00000111 Subsystem number.............. VLR
16 00000000 Translation type.............. 0 Hex
17 ....0001 Encoding scheme............... BCD, odd number of digits
0001.... Numbering plan................ ISDN/Telephony Numbering plan
18 .0000100 Nature of address ind......... International number
0....... Spare......................... 0
19 ***b44** Address signal................ 79123456789
1111.... Filler........................ 15 Dec

25 00001011 Length........................ 11 Dec

-- Calling party address
26 .......0 Point code ind................ PC absent
......1. SSN ind....................... SSN present
..0100.. Global title ind.............. Transl. type & Numb. plan & Enc. scheme
.0...... Routing ind................... Route on GT
0....... Reserved for national use..... 0 Hex
27 00000110 Subsystem number.............. HLR
28 00000000 Translation type.............. 0 Hex
29 ....0001 Encoding scheme............... BCD, odd number of digits
0001.... Numbering plan................ ISDN/Telephony Numbering plan
30 .0000100 Nature of address ind......... International number
0....... Spare......................... 0
31 ***b44** Address signal................ 79123456780
1111.... Filler........................ 15 Dec

37 00011110 Length........................ 30 Dec

-- Data

TCAP: ITU-T Q.773 White book, 1997

-- Message type
38 ***b8*** TAG: class=1 code=4 type=1
39 ***b8*** Length........................ 28 Dec

-- END
40 ***b8*** TAG: class=1 code=9 type=0
41 ***b8*** Length........................ 4 Dec

-- Destination transaction id
42 ***B4*** .............................. 2000000 Hex

46 ***b8*** TAG: class=1 code=12 type=1
47 ***b8*** Length........................ 20 Dec
48 ***b8*** TAG: class=2 code=2 type=1
49 ***b8*** Length........................ 18 Dec

-- Return result last
50 ***b8*** TAG: class=0 code=2 type=0
51 ***b8*** Length........................ 1 Dec

-- Invoke id
52 00000001 Invoke id..................... 01

53 ***b8*** TAG: class=0 code=16 type=1
54 ***b8*** Length........................ 13 Dec

-- Result
55 ***b8*** TAG: class=0 code=2 type=0
56 ***b8*** Length........................ 1 Dec
57 00111010 Local operation code.......... SEND IMSI
Container: cMAP_ReturnResultLast
Wrong Component Length. Must be: 104:bits Decoded: 24:bits
Undecoded data: 04 08 52 00 70 19 32 54 76 F8

MAP: 3GPP TS 29.002 Ver 6.12.0, 2005

Remainder:
B7 85
Time elapsed: 1.00000 sec
Parse completed at: 1.00000 sec
Decoding completed at: 0.00000 sec


Вроде как всё правильно в ASN.1 BER я сгенерил (вручную), а декодер ругается...

Где грабли?

Опечатка в декодере.
Будет исправлена в ближайшее время
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View user's profile Send private message
Support
Сотрудник Seventest


Joined: 30 Sep 2005
Posts: 347
Location: Санкт-Петербург

PostPosted: Thu Apr 10, 2008 10:01 am    Post subject: Re: MAP_SEND_IMSI (Return Result Last) - если у меня баг то Reply with quote

Исправлено.
Code:
MTP2: Russian specifications, 2000
      0 .0000010 Backward sequence number...... 2 Dec
        1....... Backward indicator bit........ 1 Dec
      1 .0000010 Forward sequence number....... 2 Dec
        1....... Forward indicator bit......... 1 Dec
      2 ..111111 Length indicator.............. 63 Dec
        00...... Spare......................... Spare
MTP3: Russian specifications, 2000
      3 ....0011 Service indicator............. SCCP
        ..00.... Spare......................... 0 Dec
        10...... Network indicator............. National network
      4 ***b14** Destination point code........ 111 Dec
        ***b14** Originating point code........ 222 Dec
        0001.... Signalling link selection..... 1 Dec
SCCP: Russian specifications, 2001
      8 00001001 Message type.................. UDT

     -- Protocol class
      9 ....0000 Protocol class................ Class 0
        1000.... Message handling.............. Return on error

     10 00000011 Pointer....................... 3 Dec
     11 00001110 Pointer....................... 14 Dec
     12 00011001 Pointer....................... 25 Dec
     13 00001011 Length........................ 11 Dec

     -- Called party address
     14 .......0 Point code ind................ PC absent
        ......1. SSN ind....................... SSN present
        ..0100.. Global title ind.............. Transl. type & Numb. plan & Enc. scheme
        .0...... Routing ind................... Route on GT
        0....... Reserved for national use..... 0 Hex
     15 00000111 Subsystem number.............. VLR
     16 00000000 Translation type.............. 0 Hex
     17 ....0001 Encoding scheme............... BCD, odd number of digits
        0001.... Numbering plan................ ISDN/Telephony Numbering plan
     18 .0000100 Nature of address ind......... International number
        0....... Spare......................... 0
     19 ***b44** Address signal................ 79123456789
        1111.... Filler........................ 15 Dec

     25 00001011 Length........................ 11 Dec

     -- Calling party address
     26 .......0 Point code ind................ PC absent
        ......1. SSN ind....................... SSN present
        ..0100.. Global title ind.............. Transl. type & Numb. plan & Enc. scheme
        .0...... Routing ind................... Route on GT
        0....... Reserved for national use..... 0 Hex
     27 00000110 Subsystem number.............. HLR
     28 00000000 Translation type.............. 0 Hex
     29 ....0001 Encoding scheme............... BCD, odd number of digits
        0001.... Numbering plan................ ISDN/Telephony Numbering plan
     30 .0000100 Nature of address ind......... International number
        0....... Spare......................... 0
     31 ***b44** Address signal................ 79123456780
        1111.... Filler........................ 15 Dec

     37 00011110 Length........................ 30 Dec

     -- Data

TCAP: ITU-T Q.773 White book, 1997

     -- Message type
     38 ***b8*** TAG: class=1 code=4 type=1
     39 ***b8*** Length........................ 28 Dec

     -- END
     40 ***b8*** TAG: class=1 code=9 type=0
     41 ***b8*** Length........................ 4 Dec

     -- Destination transaction id
     42 ***B4*** .............................. 2000000 Hex

     46 ***b8*** TAG: class=1 code=12 type=1
     47 ***b8*** Length........................ 20 Dec
     48 ***b8*** TAG: class=2 code=2 type=1
     49 ***b8*** Length........................ 18 Dec

        -- Return result last
        50 ***b8*** TAG: class=0 code=2 type=0
        51 ***b8*** Length........................ 1 Dec

           -- Invoke id
           52 00000001 Invoke id..................... 01

        53 ***b8*** TAG: class=0 code=16 type=1
        54 ***b8*** Length........................ 13 Dec

           -- Result
           55 ***b8*** TAG: class=0 code=2 type=0
           56 ***b8*** Length........................ 1 Dec
           57 00111010 Local operation code.......... SEND IMSI

MAP: 3GPP TS 29.002 Ver 6.12.0, 2005

           -- Send IMSI res
           58 ***b8*** TAG: class=0 code=4 type=0
           59 ***b8*** Length........................ 8 Dec

           -- IMSI
           60 ***b20** Mobile country/network code... Unknown MCC + MNC code
              ***b44** MSIN.......................... 7912345678f

Remainder:
   B7 85
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