BusyBox passwd requires root privileges

BusyBox passwd requires root privileges

[khollan]

I log on as a user and I want to use passwd to change that users password but
it gives me the 
passwd: applet requires root privileges!
I can login as root and change all user passwords, but I want individual
owners to be able to update their passwords.  Any ideas?
Thanks
khollan
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Re: BusyBox passwd requires root privileges

[Scott Wood]

khollan wrote:
> I log on as a user and I want to use passwd to change that users password but
> it gives me the 
> passwd: applet requires root privileges!
> I can login as root and change all user passwords, but I want individual
> owners to be able to update their passwords.  Any ideas?

passwd needs to be setuid root.

-Scott

Re: BusyBox passwd requires root privileges

[khollan]

Scott Wood-2 wrote:
> 
> 
> passwd needs to be setuid root.
> 
> 
How do you do that?
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Re: BusyBox passwd requires root privileges

[Scott Wood]

khollan wrote:
> 
> 
> Scott Wood-2 wrote:
> 
>>
>>passwd needs to be setuid root.
>>
>>
> 
> How do you do that?

Make sure it's owned by root, and chmod 4755 the binary.  I'm not sure 
how to go about telling busybox to drop suid when invoked as something 
else.  It'd probably be better to build two busyboxes, one with all suid 
commands and the other with the rest.

-Scott

Re: BusyBox passwd requires root privileges

[khollan]

Scott Wood-2 wrote:
> 
> 
> Make sure it's owned by root, and chmod 4755 the binary.  I'm not sure 
> how to go about telling busybox to drop suid when invoked as something 
> else.  It'd probably be better to build two busyboxes, one with all suid 
> commands and the other with the rest.
> 
> -Scott
> 
> 
I chmod 4755 to the passwd binary and it worked.  Before I did that I also
added a Busybox.conf file in /etc with this in it...
[SUID]
passwd = ssx root.root

I don't know if I needed that or not but it works now. Thanks
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