diff mbox series

[v3,7/9] package/mksh: add /bin/mksh to /etc/shells

Message ID 1516356909-18620-8-git-send-email-romain.naour@smile.fr
State Accepted
Headers show
Series Add /etc/shells handling | expand

Commit Message

Romain Naour Jan. 19, 2018, 10:15 a.m. UTC
When mksh is selected, /bin/mksh is not added to /etc/shells
(see man shells). So, login tools like dropbear reject the ssh
connections for users using mksh as shell in /etc/passwd.

buildroot authpriv.warn dropbear[853]: User 'kubu' has invalid shell, rejected

Signed-off-by: Romain Naour <romain.naour@smile.fr>
---
v3: Fix typo (Thomas)
    Use TARGET_FINALIZE_HOOKS to avoid issues with the upcoming
    top-level parallel build (Arnout)
v2: add double-dollar after /bin/mksh (Yann)
---
 package/mksh/mksh.mk | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Yann E. MORIN Feb. 3, 2018, 3:01 p.m. UTC | #1
Romain, All,

On 2018-01-19 11:15 +0100, Romain Naour spake thusly:
> When mksh is selected, /bin/mksh is not added to /etc/shells
> (see man shells). So, login tools like dropbear reject the ssh
> connections for users using mksh as shell in /etc/passwd.
> 
> buildroot authpriv.warn dropbear[853]: User 'kubu' has invalid shell, rejected
> 
> Signed-off-by: Romain Naour <romain.naour@smile.fr>

Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

Regards,
Yann E. MORIN.

> ---
> v3: Fix typo (Thomas)
>     Use TARGET_FINALIZE_HOOKS to avoid issues with the upcoming
>     top-level parallel build (Arnout)
> v2: add double-dollar after /bin/mksh (Yann)
> ---
>  package/mksh/mksh.mk | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/package/mksh/mksh.mk b/package/mksh/mksh.mk
> index b5706db..4fa0e02 100644
> --- a/package/mksh/mksh.mk
> +++ b/package/mksh/mksh.mk
> @@ -21,4 +21,12 @@ define MKSH_INSTALL_TARGET_CMDS
>  	$(INSTALL) -m 0755 -D $(@D)/mksh $(TARGET_DIR)/bin/mksh
>  endef
>  
> +# Add /bin/mksh to /etc/shells otherwise some login tools like dropbear
> +# can reject the user connection. See man shells.
> +define MKSH_ADD_MKSH_TO_SHELLS
> +	grep -qsE '^/bin/mksh$$' $(TARGET_DIR)/etc/shells \
> +		|| echo "/bin/mksh" >> $(TARGET_DIR)/etc/shells
> +endef
> +MKSH_TARGET_FINALIZE_HOOKS += MKSH_ADD_MKSH_TO_SHELLS
> +
>  $(eval $(generic-package))
> -- 
> 2.7.4
> 
> _______________________________________________
> buildroot mailing list
> buildroot@busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
diff mbox series

Patch

diff --git a/package/mksh/mksh.mk b/package/mksh/mksh.mk
index b5706db..4fa0e02 100644
--- a/package/mksh/mksh.mk
+++ b/package/mksh/mksh.mk
@@ -21,4 +21,12 @@  define MKSH_INSTALL_TARGET_CMDS
 	$(INSTALL) -m 0755 -D $(@D)/mksh $(TARGET_DIR)/bin/mksh
 endef
 
+# Add /bin/mksh to /etc/shells otherwise some login tools like dropbear
+# can reject the user connection. See man shells.
+define MKSH_ADD_MKSH_TO_SHELLS
+	grep -qsE '^/bin/mksh$$' $(TARGET_DIR)/etc/shells \
+		|| echo "/bin/mksh" >> $(TARGET_DIR)/etc/shells
+endef
+MKSH_TARGET_FINALIZE_HOOKS += MKSH_ADD_MKSH_TO_SHELLS
+
 $(eval $(generic-package))