Re: prompt w/ uid 0 for cshrc
On Nov 19, 2012, at 8:46 AM, jb wrote: > Eitan Adler eitanadler.com> writes: > >> >> On 18 November 2012 18:44, Mateusz Guzik gmail.com> wrote: >>> Just take user name from id -nu. >> >> While that does provide the $user value I want, id is in /usr/bin/ >> which may not be mounted. > > /rescue/id Bad idea: * /rescue tools are not part of the "standard" world * /rescue tools are sometimes not installed * Quite a few people have customized the rescue tools to adding or omitting things suitable for their particular installation. * /rescue tools are not guaranteed to be functionally identical to the non-rescue versions. Better to invoke 'id' in a way that produces "reasonable" results if 'id' is unavailable. For example: /bin/sh -c 'id -nu 2>/dev/null' || echo '?' prints '?' if the id command fails or is unavailable. Tim ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
Re: prompt w/ uid 0 for cshrc
On 18 November 2012 18:32, Eitan Adler wrote: > Hey, > > at the moment the current default csh prompt looks like > > user@hostname:directory% command > > This leads to an unexpected[*] result when using su (without "-"). > > In particular the user part is *not* changed to "root" (or "toor" or > any other superuser indication) although the promptchar is changed to > "#". > This causes some confusion for new users and even some experienced ones. > > I worked around this issue by including the following > > if ($uid == 0) then > set user = root > endif > > which I'm not certain is a good idea. > > I would like to replace this with logic like > > if $uid = 0 AND $user != toor AND $user != root > set user = "+$user" > endif > > does anyone think this is a bad idea? can anyone propose a better > idea? Is the status quo okay? ... I was pointed in the right direction. I should use %N instead of %n. -- Eitan Adler ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
Re: prompt w/ uid 0 for cshrc
On Mon, Nov 19, 2012 at 10:45:35AM -0500, Eitan Adler wrote: > On 18 November 2012 18:44, Mateusz Guzik wrote: > > Just take user name from id -nu. > > While that does provide the $user value I want, id is in /usr/bin/ > which may not be mounted. > Is there a builtin which provides similar functionality? > Valid point, but should not happen a lot when unprivileged accounts are involved, so I suggest the following (pseudo-sh-code): if [ -x /usr/bin/id ]; then up=$(id -nu); else if [ $uid = 0 ]; then up="root"; else up="($uid)" fi -- Mateusz Guzik ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
Re: prompt w/ uid 0 for cshrc
Eitan Adler eitanadler.com> writes: > > On 18 November 2012 18:44, Mateusz Guzik gmail.com> wrote: > > Just take user name from id -nu. > > While that does provide the $user value I want, id is in /usr/bin/ > which may not be mounted. /rescue/id jb ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
Re: prompt w/ uid 0 for cshrc
On 18 November 2012 18:44, Mateusz Guzik wrote: > Just take user name from id -nu. While that does provide the $user value I want, id is in /usr/bin/ which may not be mounted. Is there a builtin which provides similar functionality? -- Eitan Adler ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
Re: prompt w/ uid 0 for cshrc
On Sun, Nov 18, 2012 at 06:32:20PM -0500, Eitan Adler wrote: > Hey, > > at the moment the current default csh prompt looks like > > user@hostname:directory% command > > This leads to an unexpected[*] result when using su (without "-"). > > In particular the user part is *not* changed to "root" (or "toor" or > any other superuser indication) although the promptchar is changed to > "#". > This causes some confusion for new users and even some experienced ones. > > I worked around this issue by including the following > > if ($uid == 0) then > set user = root > endif > > which I'm not certain is a good idea. > > I would like to replace this with logic like > > if $uid = 0 AND $user != toor AND $user != root > set user = "+$user" > endif > > does anyone think this is a bad idea? can anyone propose a better > idea? Is the status quo okay? > Just take user name from id -nu. -- Mateusz Guzik ___ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
