World: r3wp
[Linux] group for linux REBOL users
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Anton 15-Aug-2009 [3071] | No joy. |
Gabriele 17-Aug-2009 [3072x3] | awake is only called if you use WAIT (which the native console does not use - indeed you don't get other port events while at the console prompt) |
i did replace system/ports/input and output and it works, i used that to "broadcast" what is typed at the console to other listener (eg. for online demos or lessons or things like that). | |
http://www.colellachiara.com/soft/Misc/broadcast-console.r | |
Graham 17-Aug-2009 [3075] | Is this a key logger? |
Gabriele 17-Aug-2009 [3076] | lol, you can see it this way. |
Anton 17-Aug-2009 [3077] | Gabriele, thanks, that's very interesting, I will check it out. (Aha make Root-protocol, I forgot about that.) |
Anton 18-Aug-2009 [3078] | I had a go at it again with Gabriele's way of doing it. So far I can only intercept input and output when enter is pressed, not at individual key presses. I think I can only open system/ports/input in lines mode, the same as the default. From memory, now, I seem to remember somebody having a go at this and arriving at the same point. (Can anybody verify that?) |
Pekr 18-Aug-2009 [3079x2] | Not sure I heard anything like that. The only thing I remember is that we got some advanced console mode, where you could use any key IIRC. There was even some animation done by Bo. The article was at rebolforces.com somewhere - not sure it could help your case though .. |
Ah, that is something different than what you need - http://www.rebolforces.com/articles/tui-dialect/ ... but it reminded me to remember, how badly the windows console sucks :-( | |
Gabriele 18-Aug-2009 [3081x2] | system/ports/input needs to be in /lines mode IIRC... but you could open console:// in /binary mode, process it, and behave in lines mode for your custom scheme. More complicated than my example above for sure... |
(still, ctrl-c and ctrl-v have always had a different meaning on terminals, so I'm not sure replacing them is a good idea. in particular, most likely you'd need to trap ctrl-c by trapping SIGINT... and that does not look like a great idea to me...) | |
Anton 18-Aug-2009 [3083x2] | Gabriele, could elaborate on that idea a bit? I'm having trouble visualizing how it would work. |
(You are right about terminal signalling, but of course this is not the only thing this proxy port is useful for.) | |
Gabriele 19-Aug-2009 [3085x2] | in my example, you have your own port using your own scheme, and its sub-port which is the original system/ports/input. this sub-port need not be the original, you can open console:// yourself with your own flags (eg. binary). then you can process one char at a time, figure out line ending yourself, and send the entire line to the other side. |
i think I probably need to write some code to make it more clear... | |
Anton 19-Aug-2009 [3087] | That makes it much more clear. |
Anton 22-Aug-2009 [3088x5] | Hmm... more thinking and lots of questions come up. |
Would your above system need WAIT ? The only way I got console port to work is to set its awake function and use WAIT. | |
Or is there a way to set the handler in a console port? | |
Anyway, so it seems like you suggest to replace the default port at system/ports/input with an equivalent one which the system is expecting (ie. a direct/read/lines port), and then the subport can be a custom console port with binary, one char at a time stuff. | |
(It's unclear to me the relationship between a port and its subport. I know the port manages the opening/closing of its subport, but how can the port in lines mode transfer individual chars from its buffer into the subport ? Or do they both receive from the same input simultaneously automatically?) | |
Gabriele 23-Aug-2009 [3093x2] | when you're not in pass-thru mode, the only functions that get called are read and write. they both work at the binary level (read-io and write-io), so the conversion to lines is done by the native code under the hood. i don't know if you need pass-thru, though, and whether pass-thru will work for system/ports/input. |
basically, on read you call read-io on the subport, maybe modify the buffer, etc. on write (for the output port), you can do the same, modify the buffer, then use write-io on the subport. wait on the subport is called by the system whenever wait on your port is called (that's why there's a get-sub-port function there). | |
Graham 28-Aug-2009 [3095x2] | Anyone know anything Apache exploits? My site has been defaced http://www.compkarori.co.nz:8090 |
This was running Mindtouch deki wiki ... but now I get the same rubbish at any page so I suspect something is up with Apache. | |
Oldes 28-Aug-2009 [3097] | you have been Hacked By Cyb3rking |
yeksoon 28-Aug-2009 [3098x2] | do u have direct access to the server? |
may need to shut off the various ports first before you can even get it resolved | |
Oldes 28-Aug-2009 [3100] | http://tech.yahoo.com/qa/20090328150137AAzlEuc |
Graham 28-Aug-2009 [3101x3] | don't understand the yahoo thing |
there's only one port open to the world .. the one for web access | |
well, going to login to the console and have a poke around | |
Sunanda 28-Aug-2009 [3104] | Sorry to hear you've been attacked, Graham. I hope it is not too much work to get it all back together....Don't work all night! Looks like it was not personal -- just some automated tools seeking vulnerabilities. You seem to be on a fairly recent version of Apache, but that does mean you may be some months behind on the security patches: http://httpd.apache.org/security/vulnerabilities_22.html |
yeksoon 28-Aug-2009 [3105] | actually, I thought Graham was on Apache 1.3* |
Sunanda 28-Aug-2009 [3106] | Server id says 2.2.3. (that may be just a reply string, not the real situation of course). |
Graham 28-Aug-2009 [3107] | well, index.php has been changed |
Henrik 28-Aug-2009 [3108] | I have an idle Cheyenne running on a Linode server without a domain name. it's been there for a couple of months now. I was a bit surprised to already see bots looking for wordpress, admin pages and attempts to submit various scripts for injection in the access log. Well, I guess I shouldn't be surprised. |
Graham 28-Aug-2009 [3109x4] | Pity I couldn't run this under Cheyenne |
At least I might have a clue how they did this. | |
well, the home page is now gone | |
I rm index.php | |
Henrik 28-Aug-2009 [3113] | I would love to see data mining tools that can detect such attempts at access in the access log without having to read through the log. Do they exist? |
yeksoon 28-Aug-2009 [3114] | wonder if it is a permission issue on the index.php file |
Gabriele 28-Aug-2009 [3115] | I'm ready to bet it was a deki wiki or php vulnerability rather than an apache one... |
Graham 28-Aug-2009 [3116x3] | php I bet |
now to figure how to backup the mysql files and transfer them to a backup of the vm | |
Looks like I was not the only vm user who was attacked. Mindtouch are investigating. They suspect a PHP5 vulnerability that I guess I should have updated :( | |
Graham 29-Aug-2009 [3119x2] | the vulnerability has been identified. There is a vulnerability in the rich text editor which allow a user to upload a php file as an image type and then browse to it executing it. http://xinha.webfactional.com/ticket/1363 So, not really a php exploit ... |
I would have thought that this was pretty basic stuff ... not allowing non image types to be uploaded! | |
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