[squid-users] Re: AdZap: WARNING: Cannot run '/usr/local/bin/squid_redirect' process.

From: Alexander Farber <alexander.farber@dont-contact.us>
Date: Sat, 26 Nov 2005 23:32:24 +0100

I've tried replacing the AdZap's squid_redirect script by a simple
redirector from http://wiki.squid-cache.org/faq/redirectors and
have the same problem. So it isn't AdZap's fault.

Is running Squid in transparent mode AND using redirect_programs
possible?

On 11/26/05, Alexander Farber <alexander.farber@gmail.com> wrote:
> Hello,
>
> I'm running Squid 2.5.STABLE12 on OpenBSD -current (i.e. post 3.8) in
> transparent mode as described at http://www.benzedrine.cx/transquid.html
>
> It works fine - both as transparent proxy and also if I enter the IP and
> port explicitly as the proxy server in the Firefox browser settings.
>
> However when I add 1 line to the /etc/squid/squid.conf:
>
> redirect_program /usr/local/bin/squid_redirect
> or
> redirect_program /usr/local/bin/wrapzap
>
> (both scripts are from http://adzapper.sourceforge.net/ - they are there,
> they are executable, the shebang lines are ok and they are in Unix text format).
>
> then I can't telnet to port 8080 anymore, "netstat -an" shows that no processes
> are listening at that port and in the /var/squid/logs/cache.log I see:
>
> 2005/11/26 16:48:48| Starting Squid Cache version 2.5.STABLE12 for
> i386-unknown-openbsd3.8...
> 2005/11/26 16:48:48| Process ID 18166
> 2005/11/26 16:48:48| With 1024 file descriptors available
> 2005/11/26 16:48:48| Performing DNS Tests...
> 2005/11/26 16:48:48| Successful DNS name lookup tests...
> 2005/11/26 16:48:48| DNS Socket created at 0.0.0.0, port 7382, FD 4
> 2005/11/26 16:48:48| Adding nameserver 127.0.0.1 from /etc/resolv.conf
> 2005/11/26 16:48:48| Adding nameserver 192.168.1.1 from /etc/resolv.conf
> 2005/11/26 16:48:48| helperOpenServers: Starting 5 'squid_redirect' processes
> 2005/11/26 16:48:53| WARNING: Cannot run
> '/usr/local/bin/squid_redirect' process.
>
> But I don't see what is the reason for that failure. How could I debug
> it please?
>
> I looked from the source code of AdZap's squid_redirect, but didn't
> see there any files being created (re some permission problems).
>
> Squid on OpenBSD runs as _squid:_squid:
>
> gate:bin {274} ps uawwwx | grep -i squid
> _squid 22565 9.2 1.5 4124 5932 ?? S 5:09PM 0:00.19
> (squid) -D (squid)
> root 31118 0.0 0.1 900 576 ?? Ss 5:09PM 0:00.01 squid -D
> _squid 7633 0.0 0.1 152 320 ?? Ss 5:09PM 0:00.07
> (unlinkd) (unlinkd)
>
> But the dir and file permissions in /var/squid seem to be fine...
>
> I've also run "sudo squid -NX -d 5 | & tee ~/log.txt" and compared
> the outputs with and without redirect_program-line. The latter one stops at:
>
> ...
> 2005/11/26 17:11:18| fd_open FD 0 stdin
> 2005/11/26 17:11:18| fd_open FD 1 stdout
> 2005/11/26 17:11:18| fd_open FD 2 stderr
> 2005/11/26 17:11:18| leave_suid: PID 28801 called
> 2005/11/26 17:11:18| leave_suid: PID 28801 giving up root, becoming '_squid'
> 2005/11/26 17:11:18| Starting Squid Cache version 2.5.STABLE12 for
> i386-unknown-openbsd3.8...
> 2005/11/26 17:11:18| Process ID 28801
> 2005/11/26 17:11:18| With 1024 file descriptors available
> 2005/11/26 17:11:18| Performing DNS Tests...
> 2005/11/26 17:11:18| Successful DNS name lookup tests...
> 2005/11/26 17:11:18| DNS Socket created at 0.0.0.0, port 29927, FD 4
> 2005/11/26 17:11:18| Adding nameserver 127.0.0.1 from /etc/resolv.conf
> 2005/11/26 17:11:18| Adding nameserver 192.168.1.1 from /etc/resolv.conf
> 2005/11/26 17:11:18| helperOpenServers: Starting 5 'squid_redirect' processes
>
> (the full outputs are attached). How do I get more details there?
>
> Regards
> Alex
>
>
>
Received on Sat Nov 26 2005 - 15:32:25 MST

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