[Samba] The sad state of samba 4 adaption for home/small business routers.
luca at wetron.es
Sat Mar 12 17:07:25 UTC 2016
El 12/03/16 a les 17:08, Jeremy Allison ha escrit:
> On Sat, Mar 12, 2016 at 12:50:50PM +0100, Luca Olivetti wrote:
>> El 12/03/16 a les 12:37, Rowland penny ha escrit:
>>> Well yes, but these are usually a mass market product and will no doubt,
>>> in the fullness of time, get to use a version of Samba 4 seeing as how
>>> 3.6 has been EOL since March 2015.
>> You'd be surprised to see what old shi^H^H^H "carefully crafted with
>> backported fixes packages" router vendors put in their products.
>> In a sense I'm glad they do, since due to a samba misconfiguration on their
>> part I could unlock a heavily locked router ;-)
> You shouldn't have to depend on samba misconfigurations,
> GPLv3 should guarentee that you can replace the Samba
> on *any* device. That's the whole point of GPLv3 - no
Yes, I know, but it's very difficult with a telco provided router
sourced by a chinese manufacturer. In this case it is a zte f680
supplied by jazztel (now orange) in Spain to ftth customers.
In fact it's not samba that's locked but the whole router (i.e. it has a
restricted shell, but thanks to samba I could access a full shell).
> If you find a Samba device using any Samba 3.2 or
> newer that doesn't allow you to replace it, please
> let us know so we can start the compliance process.
Unfortunately it seems it is using a really old version of samba
$ telnet x.x.x.x
Connected to x.x.x.x.
Escape character is '^]'.
BusyBox v1.01 (2015.04.27-11:59+0000) Built-in shell (ash)
Enter 'help' for a list of built-in commands.
/ # uname -a
/bin/sh: uname: not found
/ # /mnt/usb1_1_1/busybox uname -a
Linux F680 3.4.69 #366 SMP Mon Apr 27 20:21:47 CST 2015 armv7l GNU/Linux
/ # smbd -v
smbd: invalid option -- v
Usage: smbd [-D] [-p port] [-d debuglevel] [-l log basename] [-s
-D become a daemon
-p port listen on the specified port
-d debuglevel set the debuglevel
-l log basename. Basename for log/debug files
-s services file. Filename of services file
-P passive only
-a overwrite log file, don't append
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