Hi Joshua,

On 2015-06-16 Tue 16:53 PM |, Joshua Lokken wrote:
> On Jun/13 08:51PM, Craig Skinner wrote:
> > On 2015-06-12 Fri 15:24 PM |, Joshua Lokken wrote:
> > >
> > > I also see, in /var/log/spamd, whenever obspamd is started:
> > >
> > > Jun 12 13:35:14 fusor spamd[21599]: greyreader failed (No such file or
> directory)
> >
> > > % ll /var/db/override.txt
> > > -rw-r--r--  1 _spamd  _spamd  382 Jun 12 12:39 /var/db/override.txt
> >
> > Maybe try these:
> >
> > $ ls -ld /var/db
> > $ sudo su -l -s /bin/sh _spamd -c 'ls -l /var/db/override.txt;
> > $ sudo su -l -s /bin/sh _spamd -c 'head /var/db/override.txt'
> 
> Ok, but let's look at those commands...
> 
> $ ls -ld /var/db
> drwxr-xr-x  17 root  wheel  1024 Jun  9 23:32 /var/db
> 
> $ ls -ld /usr/local/etc
> drwxr-xr-x  51 root  wheel  2560 Jun 14 20:47 /usr/local/etc
> 

I'm not using FreeBSD, rather OpenBSD:

$ ls -ld /usr/local/etc
ls: /usr/local/etc: No such file or directory

> $ sudo su -l -s /bin/sh _spamd -c 'ls -l /var/db/override.txt;
> Error, looks like there may be a ' missing
> 

Sorry about that, my bad typo.

> $ sudo su -l -s /bin/sh _spamd -c 'ls -l /var/db/override.txt'
> su: unknown login: /bin/sh
> 
> $ sudo su -l -s /bin/sh _spamd -c 'head /var/db/override.txt'
> su: unknown login: /bin/sh
> 
> $ man su
>      -l      Simulate a full login...
> 
> However, the _spamd user does not have a login shell, so I would
> expect this to fail.
> 

I'm not using FreeBSD, rather OpenBSD:

$ userinfo _spamd
login   _spamd
passwd  *
uid     62
groups  _spamd
change  NEVER
class
gecos   Spam Daemon
dir     /var/empty
shell   /sbin/nologin
expire  NEVER

$ man su
        -s login-shell
                     Specify the path to an alternate login shell.


This is how daemons are started on OpenBSD:

$ fgrep 'su ' /etc/rc.d/rc.subr
rcexec="su -l -c ${daemon_class} -s /bin/sh ${daemon_user} -c"


> I appreciate the list of commands.  Can someone advise what the
> responder is trying to get at?

To check _spamd can read (head) the file, because of:

> Jun 12 13:35:14 fusor spamd[21599]: greyreader failed (No such file or 
> directory)

FreeBSD has a jail thing, so it could be looking for it somewhere else.


On OpenBSD:

$ ls -l /var/db/override.txt
ls: /var/db/override.txt: No such file or directory


Create a demo txt file:

$ sudo cp /usr/share/dict/british /var/db/override.txt
$ ls -l /var/db/override.txt
-r--r--r--  1 root  wheel  3512 Jun 17 11:57 /var/db/override.txt
$ sudo chown _spamd:_spamd /var/db/override.txt
$ sudo chmod 644 /var/db/override.txt
$ ls -l /var/db/override.txt
-rw-r--r--  1 _spamd  _spamd  3512 Jun 17 11:57 /var/db/override.txt



Now check _spamd can read the demo override.txt file:

$ sudo su -l -s /bin/sh _spamd -c 'ls -l /var/db/override.txt'
-rw-r--r--  1 _spamd  _spamd  3512 Jun 17 11:57 /var/db/override.txt

$ sudo su -l -s /bin/sh _spamd -c 'head /var/db/override.txt'
aeon
aerodrome
aeroplane
aggrandise
alarum
aluminise
aluminium
amour
amourous
amphitheatre


Hope that helps.
-- 
"It's a small world, but I wouldn't want to have to paint it."
                -- Steven Wright

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