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TCP TIMEOUT Option in TCP Suite (VDS5)

 
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webdaddy
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Joined: 14 Nov 2004
Posts: 151
Location: Raleigh NC
PostPosted: Tue May 20, 2008 4:08 pm    Post subject: TCP TIMEOUT Option in TCP Suite (VDS5) Reply with quote
Im running into a slight issue with the TIMEOUT option in the TCP Suite. I want the connection attempt to only last about 3 seconds and if no connection is made to go on to the next item in my list.

Here is the script that im using. Can somebody tell me if i'm doing something wrong here.

Code:

external vdstcp50
#include vdstcp50.dsu
TCP OPTION, TIMEOUT, 4
EXTERNAL STRING.DLL
#DEFINE FUNCTION, STRING

Title Extract
  DIALOG CREATE,Telnet Scanner,-1,0,650,400
  DIALOG ADD,TEXT,TEXT1,360,10,,,Subnets
  DIALOG ADD,STATUS,Status,IP Scanner
  DIALOG ADD,GROUP,GROUP1,10,10,630,340
  DIALOG ADD,LIST,LOG,20,15,620,320
  DIALOG ADD,EDIT,SUBNET,355,70
  DIALOG ADD,BUTTON,GO,355,570
  DIALOG SHOW
 
 
# - Delete Hubs = 1
# - Add Hubs = 2
# - Router or Switch = 3
# - Delete Printers = 4

  list create,1
  list create,2
  list create,3
  list create,4
 
:evloop
wait event
goto @event()

:GOBUTTON
%%subnet = @dlgtext(SUBNET)
if @null(%%subnet)
info No Subnet Provided
goto evloop
end
%%now = "1"
REPEAT
%%ip = %%subnet%%now
list add,log,Now scanning %%ip
TCP CONNECT, %%ip, 23
wait 2
if @TCP(CONNECTED)
list add,log,Connected to %%ip
list create,9
list add,9,@TCP(GET)
%%tmpfile = @path(%0)file.tmp
file delete,%%tmpfile
list savefile,9,%%tmpfile
list close,9
##
if @string(FileOps, HoldsString, %%tmpfile,,Hub,,,)
list add,log,%%ip is a hub
list add,2,"add device -ip "@chr(34)"Hubs:"%%ip@chr(34)
list add,1,"del device -ip "%%ip
list savefile,2,@path(%0)newhubs.txt
list savefile,1,@path(%0)delhubs.txt
end

if @string(FileOps, HoldsString, %%tmpfile,,"2950",,,)
list add,3,%%ip@chr(44)Router
list savefile,3,@path(%0)routers.txt
list add,log,%%ip is a router or switch
end

if @string(FileOps, HoldsString, %%tmpfile,,"2948",,,)
list add,3,%%ip@chr(44)Router
list savefile,3,@path(%0)routers.txt
list add,log,%%ip is a router or switch
end

if @string(FileOps, HoldsString, %%tmpfile,,Compliance,,,)
list add,3,%%ip@chr(44)Router
list savefile,3,@path(%0)routers.txt
list add,log,%%ip is a router or switch
end

if @string(FileOps, HoldsString, %%tmpfile,,Cisco,,,)
list add,3,%%ip@chr(44)Router
list savefile,3,@path(%0)routers.txt
list add,log,%%ip is a router or switch
end

if @string(FileOps, HoldsString, %%tmpfile,,"Warning**",,,)
list add,3,%%ip@chr(44)Router
list savefile,3,@path(%0)routers.txt
list add,log,%%ip is a router or switch
end

if @string(FileOps, HoldsString, %%tmpfile,,"AP",,,)
list add,3,%%ip@chr(44)Router
list savefile,3,@path(%0)routers.txt
list add,log,%%ip is a router or switch
end

if @string(FileOps, HoldsString, %%tmpfile,,"WAP",,,)
list add,3,%%ip@chr(44)Router
list savefile,3,@path(%0)routers.txt
list add,log,%%ip is a router or switch
end

if @string(FileOps, HoldsString, %%tmpfile,,"JetDirect",,,)
list add,4,%%ip@chr(44)Printer
list savefile,4,@path(%0)printers.txt
list add,log,%%ip is a Printer
end
##
end

TCP DISCONNECT 
%%now = @succ(%%now)
UNTIL @equal(%%now,254)
goto evloop


:Close
list savefile,log,@path(%0)log-@datetime(hhnnssmmddyyyy).log
exit


Thanks
WD
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Aslan
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Joined: 31 May 2001
Posts: 589
Location: Memphis, TN USA
PostPosted: Wed May 21, 2008 1:18 am    Post subject: Reply with quote
Try replacing;

Code:
TCP CONNECT, %%ip, 23
wait 2
if @TCP(CONNECTED)


-with-

Code:
TCP CONNECT, %%ip, 23
If @ok()
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webdaddy
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Joined: 14 Nov 2004
Posts: 151
Location: Raleigh NC
PostPosted: Wed May 21, 2008 2:02 pm    Post subject: Did'nt Work Reply with quote
I tried it both ways and what happens is that if there is no daemon listening on the port you try and connect to it just hangs during the connect about 15 seconds (which is normal for a windows machine typically) and then it tries the next IP in my list. What I want it to do is if it cant connect in about 2 seconds to stop and then just go to the next IP. Maybe I could do this with a timer or some such code but I don't remember exactly how to do it. Arrrgghhh. Will play with it a bit or if somebody has a quick fix I would appreciate it.

WD
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Aslan
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Joined: 31 May 2001
Posts: 589
Location: Memphis, TN USA
PostPosted: Fri May 23, 2008 9:28 pm    Post subject: Reply with quote
Your problem is that your script will halt until "TCP CONNECT" is done.

Sounds like "TCP OPTION,TIMEOUT,nn" is broke in vdstcp50.dll

I don't see anyway around it until the Timeout option is fixed. Sad


Note: vdstcp50 can only support a single TCP connection per script.
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DaveR
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Joined: 03 Sep 2005
Posts: 413
Location: Australia
PostPosted: Sat May 24, 2008 1:02 am    Post subject: Reply with quote
As an alternative you could use VDSIPP.dll with Threads ON. Using VDSIPP will also allow you to make multiple TCP connections.
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cheers

Dave
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webdaddy
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Joined: 14 Nov 2004
Posts: 151
Location: Raleigh NC
PostPosted: Fri May 30, 2008 8:29 pm    Post subject: TCP TIMEOUT OPTION Reply with quote
I do use VDSIPP also. Thats actually what I have done to fix the issue. I figured if I had to change the extension I might as well thread it out and scan alot quicker so now I start 10 different scans at a time instead of just 1. Thanks for your suggestions. I ended up doing it that way before I could read your response.

WD
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Programming - Technology - Communications
"The Home of the SLC Security Console"
SLC now available for Linux...
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