I think you can use ffi-lib with #f because it is already attached. Jay
On Fri, Sep 16, 2011 at 11:58 AM, John Clements <[email protected]> wrote: > > On Sep 16, 2011, at 10:51 AM, Jay McCarthy wrote: > >> I've done it before, it's easy and works, but I can't seem to find the >> code... > > Can you recall of the top of your head whether you can use ffi-lib on > libc.dylib? If so, no C code would be required at all. > > John > >> >> Jay >> >> On Fri, Sep 16, 2011 at 11:31 AM, John Clements >> <[email protected]> wrote: >>> >>> On Sep 16, 2011, at 6:59 AM, Jeremy Kun wrote: >>> >>>> Oops, meant to reply-all >>>> >>>> Jeremy >>> >>> One other relevant thought; how hard would it be to throw out Apache and >>> just use setuid to demote racket's privileges after starting? I don't see a >>> built-in binding for setuid--presumably because it's completely >>> platform-specific--but it should be less than 30 lines of code, including >>> the C and the racket. Jay, have you done this? (Maybe this code is just >>> sitting around somewhere?) >>> >>> John >>> >>> >>>> >>>> >>>> On Fri, Sep 16, 2011 at 8:59 AM, Jeremy Kun <[email protected]> wrote: >>>> The redirects are hitting port 8080, via the rules verbatim from that FAQ. >>>> Literally, I have the following in my httpd.conf: >>>> >>>> RewriteEngine on >>>> RewriteRule ^(.*)$ http://localhost:8080/$1 [P,NE] >>>> >>>> So I'm hitting my server at http://racket01.csc.calpoly.edu, and I get >>>> that redirect loop. >>>> >>>> I can't send a request directly to 8080 from outside because my server >>>> admin has blocked those ports, hence my desire to do this forwarding. I >>>> also can't enable permissions for racket to use <1024 ports via setcap, >>>> since the kernel I'm using is not recent enough. >>>> >>>> And in case this will help, these are my serve/servlet options: >>>> >>>> (serve/servlet >>>> start >>>> #:launch-browser? #f >>>> #:quit? #f >>>> #:listen-ip #f >>>> #:servlet-path "/" >>>> #:port 8080 >>>> #:log-file (build-path "/home/jkun/racket/log.txt") >>>> #:extra-files-paths (list (build-path "/home/jkun/racket"))) >>>> >>>> Any ideas? >>>> >>>> Jeremy >>>> >>>> >>>> >>>> On Fri, Sep 16, 2011 at 6:29 AM, Jay McCarthy <[email protected]> >>>> wrote: >>>> I think I've seen that before and I thought it meant the redirect was >>>> set up wrong, but it doesn't seem like you have done that. >>>> >>>> What URL are the GETs to? What happens when you go to it directly? >>>> >>>> Jay >>>> >>>> On Thu, Sep 15, 2011 at 11:13 PM, Jeremy Kun <[email protected]> wrote: >>>>> I'm trying to set up Apache to redirect to the Racket web server on port >>>>> 8080. Originally after modifying my http configuration file to include the >>>>> correct RewriteEngine and RewriteRule lines from this page, I got the >>>>> following error message: >>>>> [Thu Sep 15 21:43:19 2011] [error] (13)Permission denied: proxy: HTTP: >>>>> attempt to connect to 127.0.0.1:8080 (*) failed >>>>> A quick google search gives that the problem might be in the SELinux >>>>> security setting: Allow HTTPD scripts and modules to connect to the >>>>> network, which I suppose is turned off. So I ran >>>>> sudo /usr/sbin/setsebool httpd_can_network_connect 1 >>>>> Now it appears to redirect (the racket web server logs show GET requests >>>>> from 127.0.0.1), but now it appears to be stuck in an infinite redirect >>>>> loop, resulting in the following Apache error message: >>>>> [Thu Sep 15 21:57:49 2011] [error] (111)Connection refused: proxy: HTTP: >>>>> attempt to connect to 127.0.0.1:8080 (*) failed >>>>> And an error page with Error 310 (net::ERR_TOO_MANY_REDIRECTS) >>>>> Has anyone else encountered this problem? I can't figure out where the >>>>> redirection is breaking down. There aren't any error messages in the >>>>> racket >>>>> error logs, just an unnaturally large number of GET requests from >>>>> 127.0.0.1. >>>>> Regards, >>>>> Jeremy >>>>> >>>>> _________________________________________________ >>>>> For list-related administrative tasks: >>>>> http://lists.racket-lang.org/listinfo/users >>>>> >>>> >>>> >>>> >>>> -- >>>> Jay McCarthy <[email protected]> >>>> Assistant Professor / Brigham Young University >>>> http://faculty.cs.byu.edu/~jay >>>> >>>> "The glory of God is Intelligence" - D&C 93 >>>> >>>> >>>> _________________________________________________ >>>> For list-related administrative tasks: >>>> http://lists.racket-lang.org/listinfo/users >>> >>> >> >> >> >> -- >> Jay McCarthy <[email protected]> >> Assistant Professor / Brigham Young University >> http://faculty.cs.byu.edu/~jay >> >> "The glory of God is Intelligence" - D&C 93 > > -- Jay McCarthy <[email protected]> Assistant Professor / Brigham Young University http://faculty.cs.byu.edu/~jay "The glory of God is Intelligence" - D&C 93 _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
