[Buildroot] [PATCH v3 1/9] package/skeleton-init-common: add /bin/sh to /etc/shells

[Yann E. MORIN]

Romain, All,

On 2018-01-19 11:15 +0100, Romain Naour spake thusly:
> Add the default shell /bin/sh to /etc/shells only if BR2_SYSTEM_BIN_SH_NONE
> is not selected.
> 
> Signed-off-by: Romain Naour <romain.naour at smile.fr>

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

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/sh (Yann)
>     remove empty /etc/shells from skeleton (Yann, Peter)
>     move the hook right after it's defined (Yann)
> ---
>  package/skeleton-init-common/skeleton-init-common.mk | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/package/skeleton-init-common/skeleton-init-common.mk b/package/skeleton-init-common/skeleton-init-common.mk
> index 8228a81..e8a0522 100644
> --- a/package/skeleton-init-common/skeleton-init-common.mk
> +++ b/package/skeleton-init-common/skeleton-init-common.mk
> @@ -79,6 +79,13 @@ define SKELETON_INIT_COMMON_SET_BIN_SH
>  	rm -f $(TARGET_DIR)/bin/sh
>  endef
>  else
> +# Add /bin/sh to /etc/shells otherwise some login tools like dropbear
> +# can reject the user connection. See man shells.
> +define SKELETON_INIT_COMMON_ADD_SH_TO_SHELLS
> +	grep -qsE '^/bin/sh$$' $(TARGET_DIR)/etc/shells \
> +		|| echo "/bin/sh" >> $(TARGET_DIR)/etc/shells
> +endef
> +SKELETON_INIT_COMMON_TARGET_FINALIZE_HOOKS += SKELETON_INIT_COMMON_ADD_SH_TO_SHELLS
>  ifneq ($(SKELETON_INIT_COMMON_BIN_SH),)
>  define SKELETON_INIT_COMMON_SET_BIN_SH
>  	ln -sf $(SKELETON_INIT_COMMON_BIN_SH) $(TARGET_DIR)/bin/sh
> -- 
> 2.7.4
> 
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