Re: [exim] Vary weird problem - unable to set uid=12

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Author: Marc Perkel
Date:  
To: exim-users
Subject: Re: [exim] Vary weird problem - unable to set uid=12
Yes - thanks - it is working. I'm converting everything now! It's so
simple I should have seen it. Sometimes I just get blocked.

Phil Pennock wrote:
> On 2009-03-29 at 18:40 -0700, Marc Perkel wrote:
>
>> Yeah - I think I get how to talk to a socket in Exim if there's
>> something to talk to. Not being much of a programmer and barely
>> understanding some of this I don't know how to create a program to do
>> what I want and make it listen on a socket for exim to talk to. And
>> probably what I want to do is dirt simple.
>>
>
> You already have a program listening on a socket for Exim to talk to.
>
>
>> In the listening side I'm running socat.
>>
>> socat -u TCP4-LISTEN:107,reuseaddr,fork OPEN:/data/info.log,creat,append
>>
>> On the sending side I'm running a shell script with the exim run command.
>>
>> set acl_c_run = ${run{/etc/exim/info/info-report uribl $acl_c_badlink}}
>>
>> The info-report script is simple.
>>
>> echo "$*" | nc -w 2 listdata.ctyme.com 107
>> exit 0
>>
>> So what I need to do is replace my scripts that use run and nc (netcat)
>> with a listening socket that does the same thing. I'll bet that socat
>> probably could do that. But I don't know how. It would make it a lot
>> faster because I'm running this several times for each message and I'm
>> sure it's not efficient. Probably causing Linux to melt down.
>>
>
> You have a listening socket; it's a TCP socket, on listdata.ctyme.com
> port 107.
>
> ${readsocket{inet:listdata.ctyme.com:107}{uribl $acl_c_badlink\n}{2s}}
>
> The key points are:
>
>  * there's no response from the server after you finish sending, so Exim
>    will expand the ${readsocket...} to the empty string
>  * echo was supplying a newline, which you'll need to supply yourself
>    (as I showed above)
>  * carefully read The Exim Specification on ${readsocket} to look at the
>    options for error-handling to decide what you want to do

>
> Regards,
> -Phil
>
>