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  #1  
Old 02-21-2013, 12:00 PM
kha kha is offline
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Default Permission denied on several scripts

Hello,

This morning I logged onto my RT-N66U with latest Merlin firm. (Firmware Version:3.0.0.4.270.24 (Merlin build)) to check crontabs.

I ran:

Code:
cru l
and got:

Code:
[kha@RT-N66U root]$ cru l
/usr/sbin/cru: line 4: nvram: Permission denied
Line 4 is:

Code:
F="$D/`nvram get http_username`"
If i run it it works:

Code:
[kha@RT-N66U root]$ nvram get http_username
kha
It's like the interpreter does not work... Yetserday I installed through ipkg packages bash, bash-completion and core-utils... I am wondering what can cause this issue: when runnign scripts, it's like the interpreter does not have any right to run binaries...

i also tried to run

Code:
ipkg update
but got:

Code:
[kha@RT-N66U root]$ ipkg update
Downloading http://ipkg.nslu2-linux.org/feeds/optware/oleg/cross/stable/Packages.gz
sh: wget: Permission denied
Downloading http://dlcdnet.asus.com/pub/ASUS/wireless/ASUSWRT/Packages.gz
sh: wget: Permission denied
An error ocurred, return value: 2.
Collected errors:
ipkg_download: ERROR: Command failed with return value 127: `wget    -q -P /opt/ipkg-CQBWnZ http://ipkg.nslu2-linux.org/feeds/optware/oleg/cross/stable/Packages.gz'
ipkg_download: ERROR: Command failed with return value 127: `wget    -q -P /opt/ipkg-CQBWnZ http://dlcdnet.asus.com/pub/ASUS/wireless/ASUSWRT/Packages.gz'
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Old 02-21-2013, 12:12 PM
kha kha is offline
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I removed bash-completion and bash package and cru now works.

But ipkg update till cannot download some packages:

Code:
kha@RT-N66U:/tmp/home/root# ipkg update
Downloading http://ipkg.nslu2-linux.org/feeds/optware/oleg/cross/stable/Packages.gz
Inflating http://ipkg.nslu2-linux.org/feeds/optware/oleg/cross/stable/Packages.gz
Updated list of available packages in /opt/lib/ipkg/lists/optware.oleg
Downloading http://dlcdnet.asus.com/pub/ASUS/wireless/ASUSWRT/Packages.gz
wget: server returned error: HTTP/1.1 404 Not Found
An error ocurred, return value: 1.
Collected errors:
ipkg_download: ERROR: Command failed with return value 1: `wget    -q -P /opt/ipkg-YTYTJ0 http://dlcdnet.asus.com/pub/ASUS/wireless/ASUSWRT/Packages.gz'
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Old 02-21-2013, 12:24 PM
kha kha is offline
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Does someone knows why bash did not work for me ? Also is there another URL I can set to make ipkg update work ?
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Old 02-21-2013, 01:41 PM
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RMerlin RMerlin is offline
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That error message is normal. Asus doesn't have a fully working optware repo, so there's no Packages.gz file.
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Old 02-21-2013, 02:47 PM
kha kha is offline
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And for the bash install not working properly, do you have an idea ?
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Old 02-21-2013, 07:22 PM
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Quote:
Originally Posted by kha View Post
And for the bash install not working properly, do you have an idea ?
No idea, you only posted logs of the ipkg update, not of the bash install attempt.
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Old 05-13-2013, 11:09 PM
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After installing bash, the prompt changed from # to $, indicating a loss of root privilege.

It's a optware-related issue, because a long time ago when I use TomatoUSB I had the same problem, and I solved it by editng some file like /opt/etc/profile, but I don't remember exactly nor how, nether can I google anything out today. Waiting for a solution.

Here is how to reproduce the issue:

1. Make a clean install of optware. Can be done by installing Asus DownloadMaster and then uninstall it.

2. telnet/ssh to router, you will be prompted with a # and no problem.

3. ipkg install bash, then exit the telnet/ssh session.

4. re-telnet/ssh, you'll be prompted with a $, root privilege lost.

5. umount the optware device. re-telnet/ssh, you gain root again, no problem.

6. telnet/ssh after optware device mounted, you lost root.

Appreciate a solution
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Old 05-14-2013, 11:09 AM
nobode nobode is offline
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I got it. Edit /opt/etc/profile
change this line
LD_LIBRARY_PATH=/opt/lib:${LD_LIBRARY_PATH}
to
LD_LIBRARY_PATH=/lib:/opt/lib:${LD_LIBRARY_PATH}

Problem solved. So it's a lib path search order issue.

BTW, the PS1 should end with \$, instead of $, otherwise always shows $.
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