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Posted by Hans Deragon on 06/14/88 11:10
Greetings.
My problem with permissions when running an external executable like 'ls'
under PHP, itself running under Apache on an Fedora Core 3 (FC3) machine has
been solved.
I disabled SELinux and everything is now working fine. SELinux prevents
apache to access some directories, notably NFS mounted shares.
Thanks to all who attempted to help me solve this problem.
Best regards,
Hans Deragon
--
Consultant en informatique/Software Consultant
Deragon Informatique inc. Open source:
http://www.deragon.biz http://facil.qc.ca (Promotion du libre)
mailto://hans@deragon.biz http://autopoweroff.deragon.biz (Logiciel)
Hans Deragon wrote:
> Greetings.
>
>
> When running "ls -ld /" under bash, I get a normal directory output.
> However, when I run `ls -ld /` under php (running under Apache
> 2.0.52), I get many entries with "?" in their fields and permissions
> all closed. What causes this?
>
> I did "su - apache" to switch to the same user under which the Apache
> server is running and tried the "ls -ld /" under bash, and it worked
> fine. Thus the server's has all the permissions to read the root
> directory. Yet PHP does not seam to have these permissions.
>
> This occurs on one of my FC3 machine. On another FC3 machine, php
> behaves correctly.
>
> Following the output of "ls -ld \" under bash and PHP:
>
> BASH -------------------------------------------------------
> lrwxrwxrwx 1 root root 28 Mar 3 07:25 app ->
> /afs/sunrise.ericsson.se/app
> drwxr-xr-x 2 root root 0 Mar 7 13:06 apps
> lrwxrwxrwx 1 root root 24 Mar 7 14:11 archives ->
> /users/qhander/downloads
> drwxr-xr-x 2 root root 4096 Mar 8 04:53 bin
> drwxr-xr-x 3 root root 4096 Mar 7 11:11 boot
> drwxr-xr-x 2 root root 0 Mar 7 13:06 cctest
> drwxr-xr-x 9 root root 4760 Mar 8 12:58 dev
> drwxr-sr-x 30 qhander floppy 4096 Feb 28 16:19 devel
> lrwxrwxrwx 1 root root 28 Mar 3 07:25 env ->
> /afs/sunrise.ericsson.se/env
> drwxr-xr-x 86 root root 12288 Mar 9 16:43 etc
> drwxr-xr-x 2 root root 4096 Mar 8 17:04 export
> drwxr-xr-x 3 qhander floppy 4096 Mar 8 13:51 hans
> drwxr-xr-x 3 root root 0 Mar 3 12:52 home
> drwxr-xr-x 2 root root 4096 Aug 12 2004 initrd
> drwxr-xr-x 11 root root 4096 Mar 8 04:41 lib
> drwxr-xr-x 12 58094 5000 4096 Mar 7 16:27 lmw
> drwxr-xr-x 4 root root 4096 Mar 3 07:25 local
> drwx------ 2 root root 16384 Mar 3 06:43 lost+found
> drwxr-xr-x 4 root root 4096 Mar 7 11:17 media
> drwxr-xr-x 2 root root 0 Mar 7 13:06 MMS
> drwxr-xr-x 3 root root 4096 Mar 7 13:34 mnt
> drwxr-xr-x 2 root root 0 Mar 7 13:06 net
> drwxr-xr-x 2 root root 4096 Aug 12 2004 opt
> drwxr-xr-x 2 root root 0 Mar 7 13:06 prj
> dr-xr-xr-x 226 root root 0 Mar 3 07:25 proc
> drwxr-xr-x 2 root root 0 Mar 7 13:06 project
> drwxr-xr-x 4 root root 0 Mar 9 16:43 pub
> drwxr-x--- 17 root root 4096 Mar 9 16:43 root
> drwxr-xr-x 2 root root 12288 Mar 8 04:55 sbin
> drwxr-xr-x 1 root root 0 Mar 3 07:25 selinux
> drwxr-xr-x 2 root root 4096 Aug 12 2004 srv
> drwxr-xr-x 9 root root 0 Mar 3 07:25 sys
> drwxrwxrwt 29 root root 4096 Mar 9 16:46 tmp
> drwxr-xr-x 5 root root 4096 Oct 18 16:14 users
> drwxr-xr-x 14 root root 4096 Mar 3 07:25 usr
> drwxr-xr-x 24 root root 4096 Mar 3 14:56 var
> <----
>
> PHP --------------------------------------------------------
> ?--------- ? ? ? ? ? app
> ?--------- ? ? ? ? ? apps
> ?--------- ? ? ? ? ? archives
> drwxr-xr-x 2 lmwadmin root 4096 mar 8 04:53 bin
> ?--------- ? ? ? ? ? boot
> ?--------- ? ? ? ? ? cctest
> drwxr-xr-x 9 lmwadmin root 4760 mar 8 12:58 dev
> ?--------- ? ? ? ? ? devel
> ?--------- ? ? ? ? ? env
> drwxr-xr-x 86 lmwadmin root 12288 mar 9 16:25 etc
> drwxr-xr-x 2 lmwadmin root 4096 mar 8 17:04 export
> drwxr-xr-x 3 qhander floppy 4096 mar 8 13:51 hans
> ?--------- ? ? ? ? ? home
> drwxr-xr-x 2 lmwadmin root 4096 ao� 12 2004 initrd
> drwxr-xr-x 11 lmwadmin root 4096 mar 8 04:41 lib
> ?--------- ? ? ? ? ? lmw
> drwxr-xr-x 4 lmwadmin root 4096 mar 3 07:25 local
> ?--------- ? ? ? ? ? lost+found
> ?--------- ? ? ? ? ? media
> ?--------- ? ? ? ? ? MMS
> ?--------- ? ? ? ? ? mnt
> ?--------- ? ? ? ? ? net
> drwxr-xr-x 2 lmwadmin root 4096 ao� 12 2004 opt
> ?--------- ? ? ? ? ? prj
> dr-xr-xr-x 222 lmwadmin root 0 mar 3 07:25 proc
> ?--------- ? ? ? ? ? project
> ?--------- ? ? ? ? ? pub
> drwxr-x--- 17 lmwadmin root 4096 mar 9 16:19 root
> drwxr-xr-x 2 lmwadmin root 12288 mar 8 04:55 sbin
> ?--------- ? ? ? ? ? selinux
> ?--------- ? ? ? ? ? srv
> ?--------- ? ? ? ? ? sys
> drwxrwxrwt 29 lmwadmin root 4096 mar 9 16:06 tmp
> ?--------- ? ? ? ? ? users
> drwxr-xr-x 14 lmwadmin root 4096 mar 3 07:25 usr
> ?--------- ? ? ? ? ? var
>
> Best regards,
> Hans Deragon
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