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Re: ASN1 - syncInfoValue
On Tue, 2005-03-15 at 12:59 -0800, Kurt D. Zeilenga wrote:
> I not familiar with net::ldap debugging statements to know
> what's really happen underneath. Suggest you provide a
> hex dump of the whole PDU. Off hand, it looks like the
> ending SET OF syncUUID is missing, possibly an empty set
> (31 00).
>
Well the debugging is actually from Convert::ASN1 but here is the hex
dump anyway:
30 81 92 02 01 02 79 81 8C 8A 18 31 2E 33 2E 36 0.....y....1.3.6
2E 31 2E 34 2E 31 2E 34 32 30 33 2E 31 2E 39 2E .1.4.1.4203.1.9.
31 2E 34 8B 70 A3 6E 31 6C 04 10 40 59 47 D0 23 1.4.p.n1l..@YG.#
7A 10 29 91 2A 90 61 61 9A 89 0B 04 10 D2 80 A8 z.).*.aa........
BA 25 FA 10 29 8E 95 94 C1 3F CB 53 CE 04 10 9B .%..)....?.S....
33 A5 F2 26 C1 10 29 9E 3A E7 B7 04 1D 82 48 04 3..&..).:.....H.
10 F5 52 BF 82 26 C1 10 29 9E 3B E7 B7 04 1D 82 ..R..&..).;.....
48 04 10 5C 6D 13 D4 26 C2 10 29 9E 3C E7 B7 04 H..\m..&..).<...
1D 82 48 04 10 D4 BE C4 3E 26 C4 10 29 92 95 DC ..H.....>&..)...
CB 4F 43 CF 50 __ __ __ __ __ __ __ __ __ __ __ .OC.P
AND
30 49 02 01 02 79 44 8A 18 31 2E 33 2E 36 2E 31 0I...yD..1.3.6.1
2E 34 2E 31 2E 34 32 30 33 2E 31 2E 39 2E 31 2E .4.1.4203.1.9.1.
34 8B 28 A2 26 04 24 63 73 6E 3D 32 30 30 35 30 4.(.&.$csn=20050
33 31 35 31 36 33 33 33 30 5A 23 30 30 30 30 30 315163330Z#00000
31 23 30 30 23 30 30 30 30 30 30 __ __ __ __ __ 1#00#000000
Thanks for your help Kurt,
Lee
> Kurt
>
> At 08:58 AM 3/15/2005, Lee Jensen wrote:
> >I am attempting to modify the Net::LDAP module for perl to understand
> >openLDAP's content synchronization controls (syncrepl functionality).
> >
> >I am currently able to use refresh and persist mode and retrieve the
> >cookies/controls that come back with each result but I am having a
> >problem with the syncInfoMessage. It's an intermediate message as
> >defined in the RFC.
> >http://www.ietf.org/internet-drafts/draft-zeilenga-ldup-sync-06.txt
> >
> >My question is this... In the RFC the syncInfoValue is defined as
> >follows:
> > syncInfoValue ::= CHOICE {
> > newcookie [0] syncCookie,
> > refreshDelete [1] SEQUENCE {
> > cookie syncCookie OPTIONAL,
> > refreshDone BOOLEAN DEFAULT TRUE
> > },
> > refreshPresent [2] SEQUENCE {
> > cookie syncCookie OPTIONAL,
> > refreshDone BOOLEAN DEFAULT TRUE
> > },
> > syncIdSet [3] SEQUENCE {
> > cookie syncCookie OPTIONAL,
> > refreshDeletes BOOLEAN DEFAULT FALSE,
> > syncUUIDs SET OF syncUUID
> > }
> > }
> >
> >I have code to enable Net::LDAP::ASN to parse this specification but
> >something just doesn't seem quite right. I can't tell if there is a
> >problem with the ASN decoder or what. I get 2 seemingly different
> >messages coming back when I do dumps...
> >
> >THIS which comes back if I connect with no cookie:
> >
> >0000 73: SEQUENCE {
> >0002 1: INTEGER = 2
> >0005 68: [APPLICATION 25] {
> >0007 24: [CONTEXT 10]
> >0009 : 31 2E 33 2E 36 2E 31 2E 34 2E 31 2E 34 32 30 33
1.3.6.1.4.1.4203
> >0019 : 2E 31 2E 39 2E 31 2E 34 __ __ __ __ __ __ __
__ .1.9.1.4
> >0021 40: [CONTEXT 11]
> >0023 : A2 26 04 24 63 73 6E 3D 32 30 30 35 30 33 31
35 .&.$csn=20050315
> >0033 : 31 36 33 33 33 30 5A 23 30 30 30 30 30 31 23 30
163330Z#000001#0
> >0043 : 30 23 30 30 30 30 30 30 __ __ __ __ __ __ __ __
0#000000
> >004B : }
> >004B : }
> >
> >AND THIS which comes back if my client connects with an older cookie,
> >followed by the response above.
> >
> >0000 146: SEQUENCE {
> >0003 1: INTEGER = 2
> >0006 140: [APPLICATION 25] {
> >0009 24: [CONTEXT 10]
> >000B : 31 2E 33 2E 36 2E 31 2E 34 2E 31 2E 34 32 30 33
1.3.6.1.4.1.4203
> >001B : 2E 31 2E 39 2E 31 2E 34 __ __ __ __ __ __ __
__ .1.9.1.4
> >0023 112: [CONTEXT 11]
> >0025 : A3 6E 31 6C 04 10 40 59 47 D0 23 7A 10 29 91
2A .n1l..@YG.#z.).*
> >0035 : 90 61 61 9A 89 0B 04 10 D2 80 A8 BA 25 FA 10
29 .aa.........%..)
> >0045 : 8E 95 94 C1 3F CB 53 CE 04 10 9B 33 A5 F2 26
C1 ....?.S....3..&.
> >0055 : 10 29 9E 3A E7 B7 04 1D 82 48 04 10 F5 52 BF
82 .).:.....H...R..
> >0065 : 26 C1 10 29 9E 3B E7 B7 04 1D 82 48 04 10 5C 6D
&..).;.....H..\m
> >0075 : 13 D4 26 C2 10 29 9E 3C E7 B7 04 1D 82 48 04
10 ..&..).<.....H..
> >0085 : D4 BE C4 3E 26 C4 10 29 92 95 DC CB 4F 43 CF
50 ...>&..)....OC.P
> >0095 : }
> >0095 : }
> >
> >The CONTEXT 11 field should just be the responseValue which by
> >definition should be a SyncInfoValue but it won't parse that way.
> >
> >Could someone please provide some help with this. Honestly I'm
> >confused and don't know exactly what to try next.
> >
> >Lee
>