-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Antonio Olivares wrote: > Dear selinux experts, > > running fedora 10 preview updated to latest packages > > [olivares@riohigh2 ~]$ uname -r > 2.6.27.5-101.fc10.i686 > [olivares@riohigh2 ~]$ rpm -qa selinux* > selinux-policy-3.5.13-18.fc10.noarch > selinux-policy-targeted-3.5.13-18.fc10.noarch > > > Summary: > > SELinux is preventing gdm-binary (xdm_t) "unlink" to > ./force-display-on-active-vt (var_spool_t). > > Detailed Description: > > SELinux is preventing gdm-binary (xdm_t) "unlink" to > ./force-display-on-active-vt (var_spool_t). The SELinux type var_spool_t, is a > generic type for all files in the directory and very few processes (SELinux > Domains) are allowed to write to this SELinux type. This type of denial usual > indicates a mislabeled file. By default a file created in a directory has the > gets the context of the parent directory, but SELinux policy has rules about the > creation of directories, that say if a process running in one SELinux Domain > (D1) creates a file in a directory with a particular SELinux File Context (F1) > the file gets a different File Context (F2). The policy usually allows the > SELinux Domain (D1) the ability to write, unlink, and append on (F2). But if for > some reason a file (./force-display-on-active-vt) was created with the wrong > context, this domain will be denied. The usual solution to this problem is to > reset the file context on the target file, restorecon -v > './force-display-on-active-vt'. If the file context does not change from > var_spool_t, then this is probably a bug in policy. Please file a bug report > (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi) against the selinux-policy > package. If it does change, you can try your application again to see if it > works. The file context could have been mislabeled by editing the file or moving > the file from a different directory, if the file keeps getting mislabeled, check > the init scripts to see if they are doing something to mislabel the file. > > Allowing Access: > > You can attempt to fix file context by executing restorecon -v > './force-display-on-active-vt' > > Fix Command: > > restorecon './force-display-on-active-vt' > > Additional Information: > > Source Context system_u:system_r:xdm_t:s0-s0:c0.c1023 > Target Context system_u:object_r:var_spool_t:s0 > Target Objects ./force-display-on-active-vt [ file ] > Source gdm-binary > Source Path /usr/sbin/gdm-binary > Port <Unknown> > Host riohigh2 > Source RPM Packages gdm-2.24.0-12.fc10 > Target RPM Packages > Policy RPM selinux-policy-3.5.13-18.fc10 > Selinux Enabled True > Policy Type targeted > MLS Enabled True > Enforcing Mode Enforcing > Plugin Name mislabeled_file > Host Name riohigh2 > Platform Linux riohigh2 2.6.27.5-94.fc10.i686 #1 SMP Mon > Nov 10 15:51:55 EST 2008 i686 athlon > Alert Count 17 > First Seen Mon 03 Nov 2008 07:08:33 AM CST > Last Seen Thu 13 Nov 2008 04:21:21 PM CST > Local ID a66adf6c-89d5-4d90-83ca-f34c94bb4d45 > Line Numbers > > Raw Audit Messages > > node=riohigh2 type=AVC msg=audit(1226614881.881:36): avc: denied { unlink } for pid=2090 comm="gdm-binary" name="force-display-on-active-vt" dev=sda6 ino=190494 scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:var_spool_t:s0 tclass=file > > node=riohigh2 type=SYSCALL msg=audit(1226614881.881:36): arch=40000003 syscall=10 success=no exit=-13 a0=8063b84 a1=0 a2=4f86dc a3=9940400 items=0 ppid=1 pid=2090 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="gdm-binary" exe="/usr/sbin/gdm-binary" subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 key=(null) > > THe question here is which process created this file? force-display-on-active-vt > > > Summary: > > SELinux is preventing the npviewer.bin from using potentially mislabeled files > (/home/olivares/.icedteaplugin/icedtea-plugin-to-appletviewer). > > Detailed Description: > > SELinux has denied npviewer.bin access to potentially mislabeled file(s) > (/home/olivares/.icedteaplugin/icedtea-plugin-to-appletviewer). This means that > SELinux will not allow npviewer.bin to use these files. It is common for users > to edit files in their home directory or tmp directories and then move (mv) them > to system directories. The problem is that the files end up with the wrong file > context which confined applications are not allowed to access. > > Allowing Access: > > If you want npviewer.bin to access this files, you need to relabel them using > restorecon -v '/home/olivares/.icedteaplugin/icedtea-plugin-to-appletviewer'. > You might want to relabel the entire directory using restorecon -R -v '<Unknown>'. > > Additional Information: > > Source Context unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c102 > 3 > Target Context unconfined_u:object_r:user_home_t:s0 > Target Objects /home/olivares/.icedteaplugin/icedtea-plugin-to- > appletviewer [ fifo_file ] > Source npviewer.bin > Source Path /usr/lib/nspluginwrapper/npviewer.bin > Port <Unknown> > Host riohigh2 > Source RPM Packages nspluginwrapper-1.1.2-4.fc10 > Target RPM Packages > Policy RPM selinux-policy-3.5.13-18.fc10 > Selinux Enabled True > Policy Type targeted > MLS Enabled True > Enforcing Mode Enforcing > Plugin Name home_tmp_bad_labels > Host Name riohigh2 > Platform Linux riohigh2 2.6.27.5-101.fc10.i686 #1 SMP Wed > Nov 12 00:50:43 EST 2008 i686 athlon > Alert Count 4 > First Seen Thu 13 Nov 2008 06:31:50 PM CST > Last Seen Thu 13 Nov 2008 06:31:55 PM CST > Local ID 81d406be-b7e4-4bf4-a8c7-f12b7c36ee27 > Line Numbers > > Raw Audit Messages > > node=riohigh2 type=AVC msg=audit(1226622715.909:38): avc: denied { write } for pid=4732 comm="npviewer.bin" path="/home/olivares/.icedteaplugin/icedtea-plugin-to-appletviewer" dev=sda6 ino=263881 scontext=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file > > node=riohigh2 type=AVC msg=audit(1226622715.909:38): avc: denied { read } for pid=4732 comm="npviewer.bin" path="/home/olivares/.icedteaplugin/icedtea-appletviewer-to-plugin" dev=sda6 ino=263847 scontext=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file > > node=riohigh2 type=SYSCALL msg=audit(1226622715.909:38): arch=40000003 syscall=11 success=yes exit=0 a0=9e70d28 a1=9e71d40 a2=9e72210 a3=0 items=0 ppid=3572 pid=4732 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=1 comm="npviewer.bin" exe="/usr/lib/nspluginwrapper/npviewer.bin" subj=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023 key=(null) > > > > Has someone else encountered these before and what should I do about them? > > Thanks, > > Antonio > > > > > -- > fedora-selinux-list mailing list > fedora-selinux-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/fedora-selinux-list If you change the context of this directory to chcon -R -t nsplugin_home_t ~/.icedteaplugin You should eliminate this avc. I will change the layout in selinux-policy-3.5.13-21.fc10 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAkkdhmcACgkQrlYvE4MpobMjuwCZAZh4YDlxJW30wanjBHUZ15CF EL0AoNjcjHePhXKzyHjPSc4Ed/WaYnXE =m4dV -----END PGP SIGNATURE----- -- fedora-selinux-list mailing list fedora-selinux-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-selinux-list
