3dbuzz videos

(http://stream-recorder.com/forum/showthread.php?t=18701)

So I am new here (obviously) and I have been trying to get some videos off 3dbuzz so I can watch them while I am offline. I have tried many variations of the rtmpdump commands and always end up with an error.

Here is a link to a video like that I want to download. I can't show the exact videos as they are for subscribers. However, this video has the same setup as the subscriber videos.

Code:

http://www.3dbuzz.com/training/view/comprehensive-aspnet-mvc/introduction/series-introduction

Here are some commands that I have used to try to get this video:

Code:

rtmpdump -r "rtmp://vs.3dbuzz.com/buzz/" -a "buzz/" -f "WIN 14,0,0,177" -W "http://www.3dbuzz.com/content/flash/Player3.swf" -p "http://www.3dbuzz.com/training/view/comprehensive-aspnet-mvc/introduction/series-ntroduction" -y "a3AOjCPW0Dvl2dcyaUnBr6CnLxR" -o "out.flv"

Code:

rtmpdump -r "rtmp://vs.3dbuzz.com/buzz/" -a "buzz/" -f "WIN 14,0,0,177" -W "http://www.3dbuzz.com/content/flash/Player3.swf" -p "http://www.3dbuzz.com/training/view/comprehensive-aspnet-mvc/introduction/series-ntroduction" -y "a3AOjCPW0Dvl2dcyaUnBr6CnLxR" -o "out.flv" -V -R --buffer 2000

I have also tried to use wireshark and see if there is a token that I am missing, but I can not find anything. There error I usually get is:

Code:

DEBUG: RTMPSockBuf_Fill, recv returned -1. GetSockError(): 10060 (Unknown error)

ERROR: RTMP_ReadPacket, failed to read RTMP packet header

Any help would be greatly appreciated.

found token but by me same problem
don't works :confused: sorry Bro

Code:

-T "92J3ax!077M6%.EZckS776^J$i8=}I"

Code:

RTMPDump v2.4 GIT-2014-03-02 (Compiled by KSV)

(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL

Connecting ...

INFO: Connected...

Starting download at: 0.000 kB

ERROR: RTMP_ReadPacket, failed to read RTMP packet header

0.000 kB / 0.00 sec

Download complete

That actually helped man. I'm assuming you got that from the swf? It looks like 3dbuzz added a separate call into the rtmp connect call. going to try a few things to see if I can get it to work

please also inform me :D

Well,

to catch the stream you need to, after the "NetConnection.Connect.Success", send the command

this._connection.call("rr", null, $decrypt);

where decrypt is the tea_decryption of the r2-property received and transformed. See https://github.com/denobis/4od/blob/...ea_decrypt.php where i've implemented the decryption process in php.

For example, when connecting we received

r2=5n251623p7q688po5s9o89p8249so8oqs399r7os8982srs 70852662qpq14r2409r6q58r8

which is decrypted to

55a7b6f3-ba33-4596-8965-b46d2247ea51

But you need to implement this in the c-sources of rtmpdump and compile it. Funny.

I think it's only needed to append a special case in rtmp.c

Instead of

if (RTMP_FindFirstMatchingProperty(&obj, &av_secureToken, &p))
{
DecodeTEA(&r->Link.token, &p.p_vu.p_aval);
SendSecureTokenResponse(r, &p.p_vu.p_aval);
}

we have to consider &av_r2 and apply to it the transformation before the DecodeTEA.

i think with next release of rtmpdump can @KSV this implement
can you move this here

denobis, that is exactly what I was thinking and what I have been testing. I've been trying to implement it a java rtmp client (because I know java the best), but am having trouble with the decryption stuff. I'll keep messing with it and get about to you guys.

For some reason whenever I try to decrypt the r2 value, i get weird characters.... even on known working implementations of the tea decryption....

For some reason I cannot get the TEA decryption to work. Even the implementation denobis provided does not work. They all come back with strings like this oA¤4?2?{¸iá»3??")Zd?,@Âî·ë?[?`q??

I don't know what I am doing wrong....

Sorry, i dont know what you're doing but the code i provided works, not beeing anything else that a pure php implementation of the tea-decrypt algorithm, exactly like the DecodeTEA(AVal *key, AVal *text) from rtmp.c.

Remember that before make de tea-decription you need to transform the r2-string to make it hex-number:

Code:

function transform_r2($r2)

        {

        $_local2 = "";

        $_local3 = 0;

        $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMabcdefghijklmnopqrstuvwxyzabcdefghijklm";

        

        while ($_local3 < strlen($r2)) 

            {

            $_local5 = $r2[$_local3];

            if (strpos($chars,$_local5) or $_local5=="A")

                    {

                     $_local5 = $chars[strpos($chars,$_local5) + 13];

                    }

            $_local2.= $_local5;

            $_local3++;

           }

        return $_local2;        

        }

I've just implemented the code in rtmp.c and now it's compiled and throwing the right response, but there is some pings i must resolve.

C code for transposition

Code:

                  int local8,local3,r2size;                  

                   char *chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMabcdefghijklmnopqrstuvwxyzabcdefghijklm";                   

                  char *local6 = text;

                  r2size = strlen(local6);                  

                  char local2[r2size];        

                  

                  local3 = 0; 

                 

                  while (local3 < r2size) 

                     {                     

                     local8 = local6[local3];

                                                                                                                      

                    char *b = strchr (chars, local8);

                    int pos = pos ? b - chars : -1; 

                                                                                                   

                     if (pos>-1) 

                      {local8=chars[pos + 13];}

                      

                    char local52[2];

                    memcpy( local52, &local8, 1 );

                    local2[local3]=local52[0];

                                                    

                     local3++;

                    } 

                    

                memcpy(text, local2, r2size);:cool:

:cool:

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