Re: Odd situation - SETUID fail
Posted in 2009
cesar_inacio_martins@yahoo.com.br wrote:
> Hi,
>
> This is a very specific and odd situation, I already discover the
> workaround (odd too), but I like to try understand the real origin of
> the problem, if anybody have a explanation, I appreciate..
> In small talk , the problem are with SETUID effect ( or not effect in
> this case).
> For me , appear be a Bug on OpenSuse (kernel or glibc).
> I install OpenSuse 11.1 on my new notebook and update the packages
> and patches,
>
> | cmartins@note-cim:~> uname -a
> | Linux note-cim 2.6.27.7-9-pae #1 SMP 2008-12-04 18:10:04 +0100 i686
> i686 i386 GNU/Linux
> | cmartins@note-cim:~> rpm -q glibc
> | glibc-2.9-2.11.1
>
> After that I install IDS 11.5 UC3 Developer Edition and try to
> initialize it with very basic configuration.
> When I execute the "oninit -iv" with user "informix" I got this (pay
> attention to ">" ):
>
> | informix@note-cim:~> oninit -ivy
> | Checking group membership to determine server run mode...succeeded
> | Reading configuration file
> '/opt/IBM/ids1150uc3de/etc/onconfig.idsmoon'...succeeded
> >| Creating /INFORMIXTMP/.infxdirs...FAILED
> | Creating infos file
> "/opt/IBM/ids1150uc3de/etc/.infos.idsmoon"...succeeded
> | Linking conf file "/opt/IBM/ids1150uc3de/etc/.conf.idsmoon"...succeeded
> | Checking config parameters...succeeded
> | Writing to infos file...succeeded
> | Allocating and attaching to shared memory...succeeded
> | Creating resident pool 10570 kbytes...succeeded
> | Allocating 100016 kbytes for buffer pool of 2K page size...succeeded
> | Initializing rhead structure...succeeded
> | Initialization of Encryption...succeeded
> | tail: cannot open `$INFORMIXDIR/log/online.log' for reading: No such
> file or directory
> | touch: cannot touch `/INFORMIXTMP/.idsmoon.alarm': No such file or
> directory
> >| awk: cmd. line:1: fatal: cannot open file
> `/INFORMIXTMP/.idsmoon.alarm' for reading (No such file or directory)
> >| mv: cannot move `/tmp/.idsmoon.alarm_9782' to
> `/INFORMIXTMP/.idsmoon.alarm': No such file or directory
> >| SENDER IS NULL NO MAIL WILL BE SENT
> >| /opt/IBM/ids1150uc3de/etc/alarmprogram.sh[517]:
> /INFORMIXTMP/.idsmoon.alarm: cannot create [No such file or directory]
>
> | WARNING: server initialization failed, or possibly timed out (if -w
> was used).
> | Check the message log, online.log, for errors.
>
>
>
> Here is the log
>
> | informix@note-cim:/opt/IBM/ids1150uc3de/log> cat online.log
> | 17:33:43 IBM Informix Dynamic Server Started.
> | 17:33:43 Warning: The IBM IDS Developer Edition license restriction
> limits
> | 17:33:43 the total shared memory size for this server to 1048576 KB.
> | 17:33:43 The size has been reset to the limit to bring up the
> database server.
> >| 17:33:44 Could not disable priority aging: errno = 13
> | Wed Apr 1 17:33:44 2009
> >| 17:33:44 Error: Unable to reset open files limit, must run as
> super-user
> | 17:33:44 Event alarms enabled. ALARMPROG =
> '/opt/IBM/ids1150uc3de/etc/alarmprogram.sh'
> >| 17:33:44 Assert Failed: net_init.c, line 321, thread 1, errno=13,
> error in creating /INFORMIXTMP.
> | 17:33:44 IBM Informix Dynamic Server Version 11.50.UC3DE
> | 17:33:44 Who: Session(0, @, 0, (nil))
> | Thread(1, main_thread, 0, 1)
> | File: neterrb.c Line: 658
> | 17:33:44 stack trace for pid 9819 written to
> /opt/IBM/ids1150uc3de/tmp/af.3e9cfa8
> | 17:33:44 See Also: /opt/IBM/ids1150uc3de/tmp/af.3e9cfa8,
> shmem.3e9cfa8.0
> | 17:33:47 neterrb.c, line 658, thread 1, proc id 9819, net_init.c,
> line 321, thread 1, errno=13, error in creating /INFORMIXTMP..
> | 17:33:47 PANIC: Attempting to bring system down
>
>
> Searching for errno 13 in the /usr/include/asm-generic/errno-base.h
> | #define EACCES 13 /* Permission denied */
>
> So, for me this appear be a problem with SETUID on binaries , but, when
> I look them , are all ok!
>
> | informix@note-cim:/opt/IBM/ids1150uc3de/log> ls -l $INFORMIXDIR/bin/on*
> | -rwsr-sr-x 1 root informix 1064326 2009-03-30 16:05
> /opt/IBM/ids1150uc3de/bin/onaudit
> | -rwxr-xr-x 1 informix informix 3916 2008-10-28 03:21
> /opt/IBM/ids1150uc3de/bin/onbar
> | -rwsr-sr-x 1 root informix 2322330 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onbar_d
> | -rwxr-sr-x 1 informix informix 1718092 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/oncheck
> | -rwxr-xr-x 1 informix informix 1633911 2009-03-30 16:05
> /opt/IBM/ids1150uc3de/bin/oncmsm
> | -rwsr-sr-x 1 root informix 2216014 2008-10-28 03:21
> /opt/IBM/ids1150uc3de/bin/ondblog
> | -rwsr-sr-x 1 root informix 1206868 2008-10-28 03:21
> /opt/IBM/ids1150uc3de/bin/onedcu
> | -rwxr-sr-x 1 informix informix 593771 2008-10-28 03:21
> /opt/IBM/ids1150uc3de/bin/onedpu
> | -rwsr-sr-- 1 root informix 15854167 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/oninit
> | -rwxr-sr-x 1 informix informix 1012653 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onload
> | -rwxr-sr-x 1 informix informix 1551144 2009-03-30 16:05
> /opt/IBM/ids1150uc3de/bin/onlog
> | -rwsr-sr-x 1 root informix 1180325 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onmode
> | -rwxr-sr-x 1 informix informix 2418013 2009-03-30 16:05
> /opt/IBM/ids1150uc3de/bin/onmonitor
> | -rwxr-sr-x 1 informix informix 1376237 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onparams
> | -rwxr-xr-x 1 informix informix 619278 2008-10-21 08:59
> /opt/IBM/ids1150uc3de/bin/onpassword
> | -rwxr-xr-x 1 informix informix 1806361 2008-10-28 03:21
> /opt/IBM/ids1150uc3de/bin/onperf
> | -rwxr-xr-x 1 informix informix 1700699 2009-03-30 16:05
> /opt/IBM/ids1150uc3de/bin/onpladm
> | -rwxr-sr-x 1 informix informix 2461805 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onpload
> | -rwsr-sr-x 1 root informix 596092 2009-03-30 16:05
> /opt/IBM/ids1150uc3de/bin/onshowaudit
> | -rwsr-sr-x 1 root informix 2382077 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onsmsync
> | -rwsr-s--- 1 root informix 2129434 2009-03-30 16:05
> /opt/IBM/ids1150uc3de/bin/onsnmp
> | -rwxr-sr-x 1 informix informix 1373427 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onspaces
> | -rwsr-s--- 1 root informix 585659 2008-10-28 03:21
> /opt/IBM/ids1150uc3de/bin/onsrvapd
> | -rwxr-sr-x 1 informix informix 3882028 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onstat
> | -rwsr-sr-x 1 root informix 1955921 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/ontape
> | -rwxr-sr-x 1 informix informix 1012657 2009-03-30 16:04
> /opt/IBM/ids1150uc3de/bin/onunload
>
>
> If I try initialize with "root" the /INFORMIXTMP is created , but others
> problems appears:
>
> | 17:39:29 IBM Informix Dynamic Server Version 11.50.UC3DE Software
> Serial Number AAA#B000000
> | 17:39:29 The chunk '/ifmxdados/L_rootdbs.ch1' must have owner-ID
> "informix" and group-ID "root".
>
> Insisting to use with "root" , after change the group-id of the chunk ,
> apparently all appears works fine and the instance are initialized, when@@N