On Fri, Nov 13, 2020 at 06:46:48PM +0100, Ladislav Michl wrote:
> On Fri, Nov 13, 2020 at 03:19:55PM +0100, Artur Wiebe wrote:
> > How can openssh.postinst be disabled from within the rule files?
> 
> The very same could be achieved with symlink in your BSP:
> projectroot/etc/rc.once.d/openssh -> /dev/null

I don't understand why you want to disable this. The SSH server will not
start without host keys. Or do you want to install a static version of
the host keys generated at build time? If so, there should be an option
for this. But for now, in my opinion, disabling OPENSSH_SSHD_GENKEYS
will just lead to a broken SSH server.

 - Roland

> 
> > ---
> >  rules/openssh.in   | 14 ++++++++++----
> >  rules/openssh.make |  2 ++
> >  2 files changed, 12 insertions(+), 4 deletions(-)
> > 
> > diff --git a/rules/openssh.in b/rules/openssh.in
> > index 09f5c5555..f9d1affbd 100644
> > --- a/rules/openssh.in
> > +++ b/rules/openssh.in
> > @@ -6,10 +6,10 @@ menuconfig OPENSSH
> >     select OPENSSL
> >     select LIBC_CRYPT
> >     select LIBC_UTIL
> > -   select RC_ONCE if OPENSSH_SSHD && RUNTIME
> > +   select RC_ONCE if OPENSSH_SSHD_GENKEYS && RUNTIME
> >     select BUSYBOX_START_STOP_DAEMON if OPENSSH_SSHD_STARTSCRIPT
> >     select LIBSELINUX if GLOBAL_SELINUX
> > -   select OPENSSH_KEYGEN if OPENSSH_SSHD
> > +   select OPENSSH_KEYGEN if OPENSSH_SSHD_GENKEYS
> >     prompt "openssh                       "
> >     help
> >       secure shell client/server, an rlogin/rsh/rcp replacement
> > @@ -40,15 +40,21 @@ config OPENSSH_SSHD
> >  config OPENSSH_SSHD_STARTSCRIPT
> >     bool
> >     default y
> > -   depends on OPENSSH_SSHD
> > +   depends on OPENSSH_SSHD && INITMETHOD_BBINIT
> >     prompt "install /etc/init.d/openssh"
> >  
> >  config OPENSSH_SSHD_SYSTEMD_UNIT
> >     bool
> >     default y
> > -   depends on OPENSSH_SSHD && SYSTEMD
> > +   depends on OPENSSH_SSHD && INITMETHOD_SYSTEMD
> >     prompt "install systemd unit files for sshd"
> >  
> > +config OPENSSH_SSHD_GENKEYS
> > +   bool
> > +   default y
> > +   depends on OPENSSH_SSHD
> > +   prompt "generate sshd host keys at first boot"
> > +
> >  config OPENSSH_SCP
> >     bool "scp"
> >     help
> > diff --git a/rules/openssh.make b/rules/openssh.make
> > index cae04487f..0da2f23cd 100644
> > --- a/rules/openssh.make
> > +++ b/rules/openssh.make
> > @@ -105,8 +105,10 @@ ifdef PTXCONF_OPENSSH_SSHD
> >             /etc/ssh/moduli)
> >     @$(call install_copy, openssh, 0, 0, 0755, -, \
> >             /usr/sbin/sshd)
> > +ifdef OPENSSH_SSHD_GENKEYS
> >     @$(call install_alternative, openssh, 0, 0, 0755, 
> > /etc/rc.once.d/openssh)
> >  endif
> > +endif
> >  
> >  ifdef PTXCONF_INITMETHOD_BBINIT
> >  ifdef PTXCONF_OPENSSH_SSHD_STARTSCRIPT
> > -- 
> > 2.29.2
> > 
> > 
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-- 
Roland Hieber, Pengutronix e.K.          | [email protected]     |
Steuerwalder Str. 21                     | https://www.pengutronix.de/ |
31137 Hildesheim, Germany                | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686         | Fax:   +49-5121-206917-5555 |

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