executing code under a child process and another tcp question

[Chris Norman]

I don't know about code execution, but if you want a really "worryingly" 
good network sniffer, get NGREP.

HTH,

Chris Norman
<!-- chris.norman4 at ntlworld.com -->
----- Original Message ----- 
From: "tyler" <compgeek13 at gmail.com>
To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
Sent: Monday, March 27, 2006 6:00 PM
Subject: executing code under a child process and another tcp question


> Hello everyone,,
> Though these questions may bwe boardering on the relm of programming, I
> wasn't really sure where else to ask them, I am aware of the
> blindprogramming list, but don't like to sign up to lists with high 
> traffic
> like that one, because sometimes its hard for me to check my email, and 
> when
> I get back (just from being on the blindgamers list, and the three lists
> owned by the same organization as the programming at blindprogramming) after
> not reading email for like 4 days, I had over 700 emails.
> Anyway, I have a couple questions,
> I read up on fork, and found that it isn't just something used to eat your
> food with, but you can spawn other processes with it.
> But, my main idea was a pipe, I wanted to spawn a child process, and 
> create
> a pipe to it, so I read up on pipes to.
> The only thing I have been able to find is how to get my process to 
> execute
> shell commands,
> Do I have to stick to shell commands, or can I actually switch execution
> between child and parent.
> Also, how do I get the pid of the parent process?
> Last, I want to start playing with TCP.
> If I send in the raw mode, can I just send a struct as a packet?
> If so, that will only take me reading up on how packetts are formed (I 
> know
> the basics) but not the exact ways, and then I can just create a struct to
> represent a packet, and send it to where ever I wish. I also as a little
> example wish to create a ping program, and a port scanner, I can do the 
> port
> scanner fairly easy I think, with minimal research, but what does the ping
> program do? I haven't been able to figure that one out, and I have used
> numerous packett sniffers.
> Things just look garbled.
> Thanks for your help,
>
>
> Tyler Littlefield.
> Check out our website:
> http://tysplace.the-leetest.net
> check out my blog:
> livejournal.com/~tylerrl
> [my programs don't have bugs, just randomly added features]
> [failure is not an option, it comes bundled with windows!]
>
>
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