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  #1  
Old 26th November 2008, 07:58 AM
Ins0mniac Offline
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Join Date: Jul 2008
Location: Hobart, Tasmania, Australia
Age: 33
Posts: 9
Fedora 10 and Adobe Flash 10

I had Adobe Flash 10 working fine in Fedora 9. But now it seems to go blank sometimes if I scroll it off screen and back again in Firefox.

SELinux is also denying npviewer.bin access to a "/home/Dave/.icedteaplugin/icedtea-plugin-to-appletviewer" file too which may be related as npviewer.bin is a file from Adobe Flash 10 from what I gather...
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  #2  
Old 26th November 2008, 07:59 AM
Ins0mniac Offline
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Location: Hobart, Tasmania, Australia
Age: 33
Posts: 9
Here's the SELinux report:

"
Summary:

SELinux is preventing the npviewer.bin from using potentially mislabeled files
(/home/Dave/.icedteaplugin/icedtea-plugin-to-appletviewer).

Detailed Description:

SELinux has denied npviewer.bin access to potentially mislabeled file(s)
(/home/Dave/.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/Dave/.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
Target Context unconfined_u:object_r:user_home_t:s0
Target Objects /home/Dave/.icedteaplugin/icedtea-plugin-to-
appletviewer [ fifo_file ]
Source npviewer.bin
Source Path /usr/lib/nspluginwrapper/npviewer.bin
Port <Unknown>
Host daveslappy
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 daveslappy
Platform Linux daveslappy 2.6.27.5-117.fc10.i686 #1 SMP Tue
Nov 18 12:19:59 EST 2008 i686 i686
Alert Count 48
First Seen Wed 26 Nov 2008 04:30:20 EST
Last Seen Wed 26 Nov 2008 06:45:10 EST
Local ID c0f039d4-249b-4fcd-86de-01f50f833b71
Line Numbers

Raw Audit Messages

node=daveslappy type=AVC msg=audit(1227642310.944:94): avc: denied { write } for pid=7003 comm="npviewer.bin" path="/home/Dave/.icedteaplugin/icedtea-plugin-to-appletviewer" dev=dm-0 ino=82765 scontext=unconfined_u:unconfined_r:nsplugin_t:s0 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file

node=daveslappy type=AVC msg=audit(1227642310.944:94): avc: denied { read } for pid=7003 comm="npviewer.bin" path="/home/Dave/.icedteaplugin/icedtea-appletviewer-to-plugin" dev=dm-0 ino=82762 scontext=unconfined_u:unconfined_r:nsplugin_t:s0 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file

node=daveslappy type=AVC msg=audit(1227642310.944:94): avc: denied { write } for pid=7003 comm="npviewer.bin" path=2F686F6D652F446176652F2E69636564746561706C756 7696E2F696365647465612D706C7567696E2D746F2D6170706 C6574766965776572202864656C6574656429 dev=dm-0 ino=82754 scontext=unconfined_u:unconfined_r:nsplugin_t:s0 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file

node=daveslappy type=AVC msg=audit(1227642310.944:94): avc: denied { read } for pid=7003 comm="npviewer.bin" path=2F686F6D652F446176652F2E69636564746561706C756 7696E2F696365647465612D6170706C65747669657765722D7 46F2D706C7567696E202864656C6574656429 dev=dm-0 ino=82743 scontext=unconfined_u:unconfined_r:nsplugin_t:s0 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file

node=daveslappy type=SYSCALL msg=audit(1227642310.944:94): arch=40000003 syscall=11 success=yes exit=0 a0=9a46508 a1=9a46e20 a2=9a46fb0 a3=0 items=0 ppid=12162 pid=7003 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=2 comm="npviewer.bin" exe="/usr/lib/nspluginwrapper/npviewer.bin" subj=unconfined_u:unconfined_r:nsplugin_t:s0 key=(null)"
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  #3  
Old 26th November 2008, 11:45 AM
axel Offline
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Join Date: Apr 2005
Location: Thessaloniki, Greece
Posts: 290
Do you have 32bit or 64bit Fedora? And how did you install the flash plugin? I don't have this problem for 32bit Fedora, Flash 10 and SELinux enabled.

You may also take a look here:

Flash plugin

Edit: Ok, I see that you are using 32bit Fedora. Have tried the solution that SELinux tells you to do? e.g. type this

restorecon -v '/home/Dave/.icedteaplugin/icedtea-plugin-to-appletviewer'

Last edited by axel; 26th November 2008 at 11:48 AM.
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  #4  
Old 27th November 2008, 09:22 PM
ecvej Offline
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Join Date: Mar 2007
Posts: 38
Same problem here.

Code:
[ecvej@localhost ~]$ uname -r
2.6.27.5-117.fc10.x86_64
I installed the adobe flash 64-bit alpha following the instructions in this post:

http://forums.fedoraforum.org/showpo...67&postcount=4

I tried the fix suggested by SELinux. Problem is it is a home directory file so restorecon doesn't change that. It appears from the error posted above that a different file context is expected.
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  #5  
Old 3rd December 2008, 03:50 PM
jaymeayres Offline
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Join Date: Sep 2008
Location: Brazil
Age: 40
Posts: 19
I've the same problem, when I access an object swf or flv return for window and back to the window where are the objects is a gray square (here is a exemple). I already disable the SELinux, but still with the same problem. This also happened in F9. What to do?

PS: I installed the f10 32bits

Regards.
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  #6  
Old 10th December 2008, 04:15 PM
rick_gator Offline
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Join Date: Dec 2008
Posts: 4
selinux error on npviewer.bin

I started getting this error after upgrading from FC9 to FC10.
$ uname -a
Linux rick.gator.edu 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST 2008 i686 i686 i386 GNU/Linux

I can recreate the error by going to a web page with Flash such as
http://www.adobe.com/shockwave/welcome/

The SEtroubleshoot browser has the following error message summary:
SELinux is preventing the npviewer.bin from using potentially mislabeled files (/home/rchu/.icedteaplugin/icedtea-plugin-to-appletviewer).

Raw Audit Messages :
node=rick.gator.edu type=AVC msg=audit(1228921474.137:1062): avc: denied { write } for pid=14329 comm="npviewer.bin" path="/home/rchu/.icedteaplugin/icedtea-plugin-to-appletviewer" dev=dm-0 ino=4752466 scontext=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file node=rick.gator.edu type=AVC msg=audit(1228921474.137:1062): avc: denied { read } for pid=14329 comm="npviewer.bin" path="/home/rchu/.icedteaplugin/icedtea-appletviewer-to-plugin" dev=dm-0 ino=4752465 scontext=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=fifo_file node=rick.gator.edu type=SYSCALL msg=audit(1228921474.137:1062): arch=40000003 syscall=11 success=yes exit=0 a0=8722840 a1=8722780 a2=8722ce0 a3=0 items=0 ppid=2842 pid=14329 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)


I ran the recommended( by SEtroubleshoot) restorecon -v command but no apparent change.


Rick
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  #7  
Old 10th December 2008, 04:57 PM
rick_gator Offline
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Join Date: Dec 2008
Posts: 4
selinux error on npviewer.bin are gone.

I think I have resolved my problem by uninstalling Flash and reinstalling Flash.

Here are the steps that I used:
# su -
# cd <directory where the flash rpm in located>
# rpm -e adobe-release-i386-1.0-1.noarch
# rpm -Uvh adobe-release-i386-1.0-1.noarch.rpm
# yum clean all
# yum install flash-plugin


Close firefox.
Open firefox to go to http://www.adobe.com/products/flash/about/
This web page will verify that Flash is working with no SELINUX errors.

BTW you can find Flash installation details at http://get.adobe.com/flashplayer/


Rick
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