Yahoo Messenger Proto - Cjdelphi :) 


Intro to YMSG..


and as of the fact Delphi is HIGHLY under-rated this is going to be for Delphi users :-) 
oh and of course anyone who has the slightest idea about Programming.

If you have dealt already with YCHT then this should be fairly
easy to use and understand, let's get started...


Authentication...

Yes you may connect to edit.yahoo.com and get your buddy list however
unlike before no cookie is needed to login in to the server, instead
yahoo have decided to use MD5 (it's a hashing table, which looks like it
has been encrypted) simply run the password through and send the results...

Logging in and chatting
=======================


Let's now take a look at the login packet in detail..

Packet Type: 0x01(Login Packet) [OutGoing]
// 59 4D 53 47 08 00 00 00 00 43 00 01 5A 55 AA 55   YMSG.....C..ZU.U
00 00 00 00 // 30 C0 80 6A 61 6E 65 6F 74 72 6F 6E   .......janeotron
   C0 80 36 C0 80 24 31 24 5F 32 53 34 33 64 35 66   ..6....._.S43d5f
   24 65 4B 4C 54 4A 54 4B 57 55 72 72 52 33 61 63   .eKLTJxxxxxxxxac
   2E 61 78 4E 4A 2F 30 C0 80 31 C0 80 6A 61 6E 65   .axNJ.......jane
   6F 74 72 6F 6E C0 80   				  otron..

{For security reasons i am marking out the password hashed string :P}

The first 4 bytes are always 21 20 80 46 (YMSG)

- This is followed by 1 byte of data - 08.  
- This is followed by 4 bytes of data -  000 00 00 00  
- Then the length of the payload (representted as TWO bytes) 00 00
- The next byte of data is 01
- Next is a 4 byte are standard for all messsages/commands being 
  sent to the messenger server.The 4 bytes are  5A 55 AA 55 
- the next 4 bytes is the ID_TAG 00 00 00 000 when you login you will 
  be givin an ID code just like that of an ID card.

The rest is the pay load each packet is different depending on what to do.



Ok Step 1.

Host: 'cs.yahoo.com'
Port: 5050 or 8080

You need something to connect to :P

Login..

 First of all unless you have source code for an MD5 hash i suggest
you checkout 

 http://www.venkydude.com/articles/yahoo.htm 

There is a dll for you to download, supplied with this file should
be a file called cjdelphi.pas which will talk to his MD5 dll..

or in webform... it can be found here: http://www.geocities.com/cjdelphi/cjdelphi.pas << simply go to your
uses and add cjdelphi as a unit.

Ok...

59 4D 53 47 08 00 00 00 00 43 00 01 5A 55 AA 55   YMSG.....C..ZU.U
00 00 00 00 30 C0 80 6A 61 6E 65 6F 74 72 6F 6E   .......janeotron
C0 80 36 C0 80 24 31 24 5F 32 53 34 33 64 35 66   ..6....._.S43d5f
24 65 4B 4C 54 4A 54 4B 57 55 72 72 52 33 61 63   .eKLTJxxxxxxxxac
2E 61 78 4E 4A 2F 30 C0 80 31 C0 80 6A 61 6E 65   .axNJ.......jane
6F 74 72 6F 6E C0 80   				  otron..

In delphi it goes a little somethin like this.

Function LoginString(UserName,Password: String): String;
Var
 ActLen: integer;
 Data,Tmp: String;
Begin
Data:=#$30+#$C0+#$80+UserName+#$C0+#$80+#$36+#$C0+#$80+EncryptString(Password)+#$C0+#$80+#$31+#$C0+#$80+UserName+#$C0+#$80;
 ActLen:=Length(Data); //get the total size of the data
Tmp:='YMSG'+#$08+#$0+#$0+#$0+LengthToStr(ActLen)+#$00+#$01+#$5A+#$55+#$AA+#$55+#$00+#$00+#$00+#$00; //this is just the header (20 bytes)
 Tmp:=Tmp+Data;
 LoginString:=Tmp;
End;


On Return you get this..


Packet Type: 0x01(Login Packet) [InComing]
59 4D 53 47 00 00 00 00 00 4C 00 01 00 00 00 00   YMSG.....L......
74 5E C7 38 30 C0 80 6A 61 6E 65 6F 74 72 6F 6E   t^.8...janeotron
C0 80 31 C0 80 6A 61 6E 65 6F 74 72 6F 6E C0 80   .....janeotron..
38 C0 80 31 C0 80 37 C0 80 63 6A 64 65 6C 70 68   8.....7..cjdelph
69 C0 80 31 30 C0 80 30 C0 80 31 31 C0 80 30 C0   i...............
80 31 37 C0 80 30 C0 80 31 33 C0 80 33 C0 80      ..7......3..3..

This is actually very important since this holds the YMSG key can u see the key?
17 bytes along length 4 bytes, extract it and save it as from every packet u send
from now on, u NEED it.

And as for Delphi it's this :)

Key:=Copy(S,17,4); //there u have it :D


Step 3. logged in, got the key now lets log in to the chat room (Programming:1)

Part A.)

Packet Type: 0x96(Init Room Login) [OutGoing]
59 4D 53 47 08 00 00 00 00 28 00 96 00 00 00 00   YMSG............
74 5E C7 38 31 30 39 C0 80 6A 61 6E 65 6F 74 72   t^.8..9..janeotr
6F 6E C0 80 31 C0 80 6A 61 6E 65 6F 74 72 6F 6E   on.....janeotron
C0 80 36 C0 80 61 62 63 64 65 C0 80               ..6..abcde..

Imagine this the prep, the swab before the doctor jabs u and extracts blood, this
simply tells yahoo u are going to engage in chat...

Function MoveRoom(UserName,UserOnline: String): String;
Var
 Len,ActLen: integer;
 Data,Payload,Tmp: String;
Begin
 Payload:='109'+#$C0+#$80+UserName+#$C0+#$80+'1'+#$C0+#$80+UserName+#$C0+#$80+'6'+#$C0+#$80+'abcde'+#$c0+#$80;
 ActLen:=Length(PayLoad);
 Tmp:='YMSG'+#$08+#$0+#$0+#$0+LengthToStr(ActLen)+#$0+#$96+#$0+#$0+#$0+#$0+Key;
 ActLen:=Length(Tmp);
 Tmp:=Tmp+PayLoad;
 MoveRoom:=Tmp;
 InChat:=True;
end;

Part B) After sending the init packet u need to send either this or the goto packet

Getting into a room

Packet Type: 0x98(Enter Room Event) [OutGoing]
59 4D 53 47 08 00 00 00 00 3A 00 98 00 00 00 00   YMSG.....:......
74 5E C7 38 31 C0 80 6A 61 6E 65 6F 74 72 6F 6E   t^.8...janeotron
C0 80 31 30 34 C0 80 50 72 6F 67 72 61 6D 6D 69   ....4..Programmi
6E 67 3A 31 C0 80 31 32 39 C0 80 31 36 30 30 33   ng:.....9...6..3
32 36 35 39 33 C0 80 36 32 C0 80 32 C0 80         .6593..6......


???????????
00000000  8A BC 20 00 01 00 00 00 01 00 00 00 08 00 45 00 ..............E.
00000010  00 73 06 BF 40 00 80 06 33 A6 D3 1A 33 ED D8 88 .s..@...3...3...
00000020  E0 8F 04 4A 13 BA 54 F5 41 1E BD 9E A6 B8 50 18 ...J..T.A.....P.
00000030  1E F3 6A 3B 00 00 59 4D 53 47 09 00 00 00 00 37 ..j;..YMSG.....7
00000040  00 98 00 00 00 00 73 2C AF D3 31 C0 80 63 6A 64 ......s,..1..cjd
00000050  65 6C 70 68 69 C0 80 36 32 C0 80 32 C0 80 31 30 elphi..62..2..10
00000060  34 C0 80 50 72 6F 67 72 61 6D 6D 69 6E 67 C0 80 4..Programming..
00000070  31 32 39 C0 80 31 36 30 30 33 32 36 35 39 33 C0 129..1600326593.
00000080  80                                              .               
???????????



Function JoinRoom(UserName,RoomName: String): String;
 Var
 Len,ActLen: integer;
 Data,Payload,Tmp: String;
Begin
 Form1.ListBox1.Items.Clear;
 Payload:=#$31+#$C0+#$80+UserName+
 #$C0+#$80+'104'+#$C0+#$80+RoomName+#$C0+#$80+'129'+#$C0+#$80+
 '1600326593'+#$C0+#$80+'62'+#$C0+#$80+'2'+#$C0+#$80;
 ActLen:=Length(PayLoad);
 Tmp:='YMSG'+#$08+#$0+#$0+#$0+LengthToStr(ActLen)+#$0+#$98+#$0+#$0+#$0+#$0+key;
 ActLen:=Length(Tmp);
 Tmp:=Tmp+PayLoad;
End;

--------------------------------the rest iss up to you------------------------------

on recv from YMSG

in hex      
        0x1 = Someone just logged into the YMSG server
        0x2 = Someone just logged off the YMSG server
        0x6 = PM packet from a YMSG user
        0x20 = PM packet from a YCHT user //(sorry i had 32dec not hex)
        0xA8 = Chat Packet when in the main room
        0x9B = Someone just Left the chat room
        0x98 = Someone Just joined the Chat Room //AND the room chatter list (hates yahoo)


//below are all to send out....

0x96 = Get Ready For Room Login
0x97 = Goto User
0x98 = Room Enter Event (Do 0x96 first)
0xA0 = room leave event

0x0A = logout //as of YCHT you would leave the server, YMSG you simply leave the room
0xA1 = Ping Event (suggest every 7 - 15 mins)

0xA8 = speech for main chat room
0x06 = private message (Main Messenger Format)


//Detailed view...

0x96 = Get Ready For Room Login
0030  21 20 80 46 00 00 59 4D 53 47 08 00 00 00 00 28  ! .F..YMSG.....(
0040  00 96 00 00 00 00 70 49 72 70 31 30 39 C0 80 6A  ......pIrp109..j
0050  61 6E 65 6F 74 72 6F 6E C0 80 31 C0 80 6A 61 6E  aneotron..1..jan
0060  65 6F 74 72 6F 6E C0 80 36 C0 80 61 62 63 64 65  eotron..6..abcde
0070  C0 80                                            ..




   Then DIRECTLY after do the room enter/goto event  

0x98 = Room Enter Event (Do 0x96 first)
0030  20 FD 3C 76 00 00 59 4D 53 47 08 00 00 00 00 3A   .<v..YMSG.....:
0040  00 98 00 00 00 00 70 49 72 70 31 C0 80 6A 61 6E  ......pIrp1..jan
0050  65 6F 74 72 6F 6E C0 80 31 30 34 C0 80 50 72 6F  eotron..104..Pro
0060  67 72 61 6D 6D 69 6E 67 3A 31 C0 80 31 32 39 C0  gramming:1..129.
0070  80 31 36 30 30 33 32 36 35 39 33 C0 80 36 32 C0  .1600326593..62.
0080  80 32 C0 80                                      .2..

P.S - Make sure your username is in lowercase or yahoo will not allow
you in to the main room...


//extra
This is what gets sent on return from your packet....
0x96 = Room Ack!
0030  81 D0 53 C1 00 00 59 4D 53 47 00 00 00 00 00 0F  ..S...YMSG......
0040  00 96 00 00 00 01 7B 4B F2 06 31 C0 80 6A 61 6E  ......{K..1..jan
0050  65 6F 74 72 6F 6E C0 80 00                       eotron...

// Form1.SendText(JoinRoom(Form1.Edit1.Text,Form1.Edit9.Text));


i figure it's some kind of ack from yahoo
//


And/Or Goto

That should get you in....

Then yahoo sends the chatter list for the room as so....

0030  81 D0 92 84 00 00 59 4D 53 47 00 00 00 00 04 10  ......YMSG......
0040  00 98 00 00 00 01 70 49 72 70 31 30 34 C0 80 50  ......pIrp104..P
0050  72 6F 67 72 61 6D 6D 69 6E 67 3A 31 C0 80 31 30  rogramming:1..10
0060  35 C0 80 50 69 63 6B 20 79 6F 75 72 20 6C 61 6E  5..Pick your lan
0070  67 75 61 67 65 3A 20 43 2B 2B 2C 20 4A 61 76 61  guage: C++, Java
0080  2C 20 56 69 73 75 61 6C 20 42 61 73 69 63 C0 80  , Visual Basic..
0090  31 32 38 C0 80 31 36 30 30 30 30 34 37 32 35 C0  128..1600004725.
00A0  80 31 30 38 C0 80 32 32 C0 80 31 32 39 C0 80 31  .108..22..129..1
00B0  36 30 30 33 32 36 35 39 33 C0 80 31 33 30 C0 80  600326593..130..
00C0  72 58 62 47 38 41 78 57 38 53 66 45 62 53 5A 73  rXbG8AxW8SfEbSZs
00D0  45 51 4C 74 68 63 68 51 73 73 47 38 67 78 47 41  EQLthchQssG8gxGA
00E0  45 2D C0 80 31 32 36 C0 80 2D 32 31 34 37 31 35  E-..126..-214715
00F0  34 34 33 32 C0 80 31 33 C0 80 31 C0 80 36 31 C0  4432..13..1..61.
0100  80 72 58 62 47 38 41 2E 6C 45 5A 6E 32 46 78 6C  .rXbG8A.lEZn2Fxl
0110  30 4B 79 5F 35 35 48 35 4E 78 71 44 45 6C 36 38  0Ky_55H5NxqDEl68
0120  37 63 2D C0 80 31 30 39 C0 80 43 5F 51 75 65 73  7c-..109..C_Ques
0130  74 30 30 30 C0 80 31 31 30 C0 80 30 C0 80 31 31  t000..110..0..11
0140  33 C0 80 31 30 38 38 C0 80 31 30 39 C0 80 61 73  3..1088..109..as
0150  67 68 61 72 5F 37 38 36 C0 80 31 31 30 C0 80 30  ghar_786..110..0
0160  C0 80 31 31 33 C0 80 31 30 38 38 C0 80 31 30 39  ..113..1088..109
0170  C0 80 6E 61 74 68 61 6E 5F 63 65 6C C0 80 31 31  ..nathan_cel..11
0180  30 C0 80 30 C0 80 31 31 33 C0 80 31 30 38 38 C0  0..0..113..1088.
0190  80 31 30 39 C0 80 6A 6F 6B 65 72 34 65 76 65 72  .109..joker4ever
01A0  32 30 30 30 C0 80 31 31 30 C0 80 30 C0 80 31 31  2000..110..0..11
01B0  33 C0 80 31 30 38 38 C0 80 31 30 39 C0 80 53 63  3..1088..109..Sc
01C0  6F 6F 62 69 5F 46 72 65 65 42 53 44 C0 80 31 31  oobi_FreeBSD..11
01D0  30 C0 80 30 C0 80 31 31 33 C0 80 31 30 38 38 C0  0..0..113..1088.
01E0  80 31 30 39 C0 80 4D 61 73 74 65 72 44 65 65 70  .109..MasterDeep
01F0  C0 80 31 31 30 C0 80 30 C0 80 31 31 33 C0 80 31  ..110..0..113..1
0200  30 38 38 C0 80 31 30 39 C0 80 6D 61 78 73 6F 6E  088..109..maxson
0210  5F 61 C0 80 31 31 30 C0 80 30 C0 80 31 31 33 C0  _a..110..0..113.
0220  80 31 30 38 38 C0 80 31 30 39 C0 80 61 66 73 61  .1088..109..afsa
0230  6C 5F 61 6D C0 80 31 31 30 C0 80 30 C0 80 31 31  l_am..110..0..11
0240  33 C0 80 31 30 38 38 C0 80 31 30 39 C0 80        3..1088..109..

//the tricky part is that unlike YCHT it removes the YMSG header from the rest
of the packets for chatters list...

0020  0A 87 00 50 08 6E DC 20 4A C5 00 B8 07 58 50 18  ...P.n. J....XP.
0030  81 D0 EA 63 00 00 76 73 6E 6C 5F 6C 61 74 68 61  ...c..vsnl_latha
0040  C0 80 31 31 30 C0 80 30 C0 80 31 31 33 C0 80 31  ..110..0..113..1
0050  30 38 38 C0 80 31 30 39 C0 80 6D 75 6C 74 69 74  088..109..multit
0060  68 72 65 61 64 62 61 72 65 32 31 33 C0 80 31 31  hreadbare213..11
0070  30 C0 80 30 C0 80 31 31 33 C0 80 31 30 38 38 C0  0..0..113..1088.
0080  80 31 30 39 C0 80 72 6F 63 6B 5F 62 75 6C 6C 73  .109..rock_bulls
0090  65 79 65 32 5F 39 39 C0 80 31 31 30 C0 80 30 C0  eye2_99..110..0.
00A0  80 31 31 33 C0 80 31 30 38 38 C0 80 31 30 39 C0  .113..1088..109.
00B0  80 6A 61 76 61 5F 6C 6F 76 65 72 36 36 C0 80 31  .java_lover66..1
00C0  31 30 C0 80 30 C0 80 31 31 33 C0 80 31 30 38 38  10..0..113..1088
00D0  C0 80 31 30 39 C0 80 72 75 73 73 31 31 36 32 C0  ..109..russ1162.
00E0  80 31 31 30 C0 80 30 C0 80 31 31 33 C0 80 31 30  .110..0..113..10
00F0  38 38 C0 80 31 30 39 C0 80 70 65 74 65 72 73 6F  88..109..peterso
0100  6E 73 5F 69 64 C0 80 31 31 30 C0 80 30 C0 80 31  ns_id..110..0..1
0110  31 33 C0 80 31 30 38 38 C0 80 31 30 39 C0 80 74  13..1088..109..t
0120  65 67 61 6D 61 73 C0 80 31 31 30 C0 80 30 C0 80  egamas..110..0..
0130  31 31 33 C0 80 31 30 38 38 C0 80 31 30 39 C0 80  113..1088..109..
0140  61 72 6A 75 6E 61 5F 6B 6F 74 61 C0 80 31 31 30  arjuna_kota..110
0150  C0 80 30 C0 80 31 31 33 C0 80 31 30 38 38 C0 80  ..0..113..1088..
0160  31 30 39 C0 80 66 61 72 6C 65 79 74 68 65 67 65  109..farleythege
0170  65 6B C0 80 31 31 30 C0 80 30 C0 80 31 31 33 C0  ek..110..0..113.
0180  80 31 30 38 38 C0 80 31 30 39 C0 80 61 6C 63 6F  .1088..109..alco
0190  68 6F 6C 69 63 5F 70 72 6F 67 72 61 6D 6D 65 72  holic_programmer
01A0  C0 80 31 31 30 C0 80 30 C0 80 31 31 33 C0 80 31  ..110..0..113..1
01B0  30 38 38 C0 80 31 30 39 C0 80 72 61 6A 69 5F 6B  088..109..raji_k
01C0  37 38 C0 80 31 31 30 C0 80 30 C0 80 31 31 33 C0  78..110..0..113.
01D0  80 31 30 38 38 C0 80 31 30 39 C0 80 64 69 76 69  .1088..109..divi
01E0  6E 65 5F 66 73 63 6B C0 80 31 31 30 C0 80 30 C0  ne_fsck..110..0.
01F0  80 31 31 33 C0 80 31 30 38 38 C0 80 31 30 39 C0  .113..1088..109.
0200  80 4A 61 67 6E 6F 4C 69 61 C0 80 31 31 30 C0 80  .JagnoLia..110..
0210  30 C0 80 31 31 33 C0 80 31 30 38 38 C0 80 31 30  0..113..1088..10
0220  39 C0 80 6A 61 6E 65 6F 74 72 6F 6E C0 80 31 31  9..janeotron..11
0230  30 C0 80 30 C0 80 31 31 33 C0 80 31 30 38 38 C0  0..0..113..1088.
0240  80 00                                            ..


//Let's send a room message

0xA8 = speech for main chat room
0030  20 87 46 01 00 00 59 4D 53 47 08 00 00 00 00 53   .F...YMSG.....S
0040  00 A8 00 00 00 00 70 49 72 70 31 C0 80 6A 61 6E  ......pIrp1..jan
0050  65 6F 74 72 6F 6E C0 80 31 30 34 C0 80 50 72 6F  eotron..104..Pro
0060  67 72 61 6D 6D 69 6E 67 3A 31 C0 80 31 31 37 C0  gramming:1..117.
0070  80 1B 5B 31 6D 1B 5B 33 34 6D 74 65 73 74 69 6E  ..[1m.[34mtestin
0080  67 20 61 67 61 69 6E 20 2D 20 68 69 20 61 6C 6C  g again - hi all
0090  20 3A 29 C0 80 31 32 34 C0 80 31 C0 80            :)..124..1..


0x97 = Goto User
0030  20 F2 2F 0B 00 00 59 4D 53 47 08 00 00 00 00 24   ./...YMSG.....$
0040  00 97 00 00 00 00 72 5D 46 3A 31 30 39 C0 80 63  ......r]F:109..c
0050  6A 64 65 6C 70 68 69 C0 80 31 C0 80 6A 61 6E 65  jdelphi..1..jane
0060  6F 74 72 6F 6E C0 80 36 32 C0 80 32 C0 80        otron..62..2..

This does not need the ABCDE packet (aslong as you are already in the room)

While in the room make sure you do a ping...

0xA1 = Ping Event (suggest every 7 - 15 mins)
0030  20 06 D5 9F 00 00 59 4D 53 47 08 00 00 00 00 10   .....YMSG......
0040  00 A1 00 00 00 00 72 5D 46 3A 31 30 39 C0 80 6A  ......r]F:109..j
0050  61 6E 65 6F 74 72 6F 6E C0 80                    aneotron..



//what's a recv chat packet look like?

0xA8 = Chat Packet when in the main room
0030  1F 70 00 25 00 00 59 4D 53 47 09 00 00 00 00 3B  .p.%..YMSG.....;
0040  00 A8 00 00 00 00 6A 24 0B 68 31 C0 80 63 6A 64  ......j$.h1..cjd
0050  65 6C 70 68 69 C0 80 31 30 34 C0 80 50 72 6F 67  elphi..104..Prog
0060  72 61 6D 6D 69 6E 67 3A 31 C0 80 31 31 37 C0 80  ramming:1..117..
0070  1B 5B 31 6D 1B 5B 33 36 6D 68 69 C0 80 31 32 34  .[1m.[36mhi..124
0080  C0 80 31 C0 80                                   ..1..


Update

Packet Type: 0x4B(Typing...) [InComing]
59 4D 53 47 00 00 00 00 00 35 00 4B 00 00 00 01   YMSG.....5.K....
7B 5B 89 89 35 C0 80 6A 61 6E 65 6F 74 72 6F 6E   {[..5..janeotron
C0 80 34 C0 80 63 6A 64 65 6C 70 68 69 C0 80 31   ..4..cjdelphi..1
34 C0 80 20 C0 80 31 33 C0 80 30 C0 80 34 39 C0   4.....13..0..49.
80 54 59 50 49 4E 47 C0 80   .TYPING..

When someone is using Yahoo Messenger and talking to another user
it sends out a packet saying that a person is typing, and that's what
it looks like....



Packet Type: 0x06(PM YMSG) [InComing]
59 4D 53 47 00 00 00 00 00 3E 00 06 00 00 00 01   YMSG.....>......
7B 56 04 2D 35 C0 80 6A 61 6E 65 6F 74 72 6F 6E   {V..5..janeotron
C0 80 34 C0 80 63 6A 64 65 6C 70 68 69 C0 80 31   ..4..cjdelphi..1
34 C0 80 6B C0 80 36 33 C0 80 68 65 61 72 74 73   4..k..63..hearts
3B 31 C0 80 36 34 C0 80 30 C0 80 39 37 C0 80 30   ;1..64..0..97..0
C0 80   ..



//this is the inviroment


========================Unkown Section=============================

//unkown?
Packet Type: 0x4A(Unkown...) [InComing]
59 4D 53 47 00 00 00 00 00 51 00 4A 00 00 00 01   YMSG.....Q.J....
72 40 68 73 35 C0 80 6A 61 6E 65 6F 74 72 6F 6E   r@hs5..janeotron
C0 80 34 C0 80 64 61 77 6E 6A 61 66 66 65 72 73   ..4..dawnjaffers
6F 6E C0 80 35 37 C0 80 64 61 77 6E 6A 61 66 66   on..57..dawnjaff
65 72 73 6F 6E 2D 35 33 32 31 C0 80 31 33 C0 80   erson.5321..13..
31 64 61 77 6E 6A 61 66 66 65 72 73 6F 6E 2D 35   1dawnjafferson.5
33 32 31 C0 80   321..
// If anyone knows what this is contact me cjdelphi@iprimus.com.au



Packet Type: 0x1E(Unknown...) [InComing]
59 4D 53 47 00 00 00 00 00 42 00 1E 00 00 00 01   YMSG.....B......
7B 56 04 2D 30 C0 80 6A 61 6E 65 6F 74 72 6F 6E   {V..0..janeotron
C0 80 37 C0 80 6C 61 6C 65 61 6E 65 61 67 72 61   ..7..laleaneagra
C0 80 31 30 C0 80 30 C0 80 31 31 C0 80 30 C0 80   ..10..0..11..0..
31 37 C0 80 30 C0 80 31 33 C0 80 32 C0 80 36 30   17..0..13..2..60
C0 80 32 C0 80   ..2..

Packet Type: 0x1E(Unknown...) [InComing]
59 4D 53 47 00 00 00 00 00 42 00 1E 00 00 00 01   YMSG.....B......
7B 56 04 2D 30 C0 80 6A 61 6E 65 6F 74 72 6F 6E   {V..0..janeotron
C0 80 37 C0 80 6C 61 6C 65 61 6E 65 61 67 72 61   ..7..laleaneagra
C0 80 31 30 C0 80 30 C0 80 31 31 C0 80 30 C0 80   ..10..0..11..0..
31 37 C0 80 30 C0 80 31 33 C0 80 32 C0 80 36 30   17..0..13..2..60
C0 80 32 C0 80 00 59 4D 53 47 00 00 00 00 00 47   ..2...YMSG.....G
00 98 00 00 00 01 00 00 00 00 31 30 34 C0 80 65   ..........104..e
3A 31 C0 80 31 30 38 C0 80 31 C0 80 31 30 39 C0   :1..108..1..109.
80 6C 61 6C 65 61 6E 65 61 67 72 61 C0 80 31 31   .laleaneagra..11
30 C0 80 30 C0 80 31 31 32 C0 80 30 C0 80 31 31   0..0..112..0..11
33 C0 80 2D 32 31 34 37 34 38 32 35 36 30 C0 80   3...2147482560..


//
Code: 10 From: stevedahemster Msg: -1614913866
Code: 10 From: stevedahemster Msg: -1614913922
Code: 10 From: stevedahemster Msg: -1614913838
Code: 10 From: stevedahemster Msg: -1614913846
Code: 10 From: stevedahemster Msg: -1614913838
Code: 10 From: stevedahemster Msg: -1614913838
Code: 10 From: stevedahemster Msg: -1614913842
//


Packet Type: 0x06(PM YMSG) [InComing]
59 4D 53 47 00 00 00 00 00 28 00 06 00 00 00 04   YMSG............
B6 5A 90 A7 35 C0 80 79 73 6F 5F 63 79 62 30 72   .Z..5..yso_cyb0r
67 C0 80 31 30 C0 80 39 39 C0 80 31 39 C0 80 2D   g..10..99..19...
31 36 31 35 30 34 34 39 37 39 C0 80   1615044979..


Packet Type: 0x1E(Unknown...) [InComing]
59 4D 53 47 00 00 00 00 00 42 00 1E 00 00 00 01   YMSG.....B......
7B 56 04 2D 30 C0 80 6A 61 6E 65 6F 74 72 6F 6E   {V..0..janeotron
C0 80 37 C0 80 6C 61 6C 65 61 6E 65 61 67 72 61   ..7..laleaneagra
C0 80 31 30 C0 80 30 C0 80 31 31 C0 80 30 C0 80   ..10..0..11..0..
31 37 C0 80 30 C0 80 31 33 C0 80 32 C0 80 36 30   17..0..13..2..60
C0 80 32 C0 80   ..2..
========================================================================

{{  0 ,"usernameaccount"}
,{  1 ,"username"}
,{  3 ,"buddyusername"}
,{  4 ,"pmfromusername"}
,{  5 ,"pmtousername"}
,{  6 ,"authcode"}
,{  7 ,"buddyname"}
,{  8 ,"buddylistcount"}
,{  9 ,"mailcount"}
,{ 10 ,"awaystate"}
,{ 11 ,"buddyinfo1"}
,{ 13 ,"deltastate"} //0=off,2=?
,{ 14 ,"pmtext"}
,{ 15 ,"timestamp"}
,{ 16 ,"isback"} //user 'nagdg' (nagdg) was not AWAY!\n
,{ 17 ,"buddyinfo2"}
,{ 18 ,"mailfromsubject"} // re: your mail
,{ 19 ,"textaway"}
,{ 20 ,"filename"} // for filexfer
,{ 31 ,"pmymsgextra4"}
,{ 32 ,"pmymsgextra5"}
,{ 38 ,"filexferid"} // for filetransfers
,{ 41 ,"username"}
,{ 42 ,"mailfromaddr"} // YahELite@t-online.de
,{ 43 ,"mailfromname"} // John Doe
,{ 47 ,"awayicon"}
,{ 49 ,"pmtyping"}
,{ 52 ,"confinvitee"} // username
,{ 56 ,"leavesconf"} // username
,{ 57 ,"taggedusername"} // username-########
,{ 58 ,"conftext"} // join my conference
,{ 60 ,"userextras"} // 2=mailaccount
,{ 61 ,"authcode-webcam?"}
,{ 62 ,"roommode"}
,{ 63 ,"pmymsgextra1"} // }0
,{ 64 ,"pmymsgextra2"} // 0
,{ 97 ,"pmymsgextra3"} // 1
,{104 ,"roomname"}
,{105 ,"roomtitle"}
,{108 ,"guestlistcount"} // # of users in following user list
,{109 ,"guestname"}
,{110 ,"guestinfo1"} // with 0x98,0x9B/enter,leave room
,{112 ,"guestinfo2"}
,{113 ,"capabilities"} // 1024(0x400), 088(0x440)=normal, 1104(0x450)=cam, 1344(0x540)=??
,{114 ,"denied"} //-32\n  -11=noSuchUser?  ,-1 room entry denied?
,{117 ,"usertext"}
,{118 ,"invitetousername"}
,{119 ,"invitefromusername"}
,{124 ,"textmode"}
,{126 ,"roomflags"}
,{128 ,"roomcat"}
,{129 ,"roomspace"}
,{130 ,"authcode-voice?"}

Since you already have everything needed to login lets look at what it needs to get into
the room :)

- Craig C. 


for the guide on getting into messenger 
=======================================

 http://balder.prohosting.com/~protosur/ymsg.htm //Protosurge can often be found @ programming:2
or 
 http://www.venkydude.com/articles/yahoo.htm

And mine... (this u are looking at)
http://www.geocities.com/cjdelphi/ymsgproto.txt


Contact me here for any questions: cjdelphi@iprimus.com.au