On Tue, 2012-06-12 at 18:10 +0800, Lianhao Lu wrote:
> Allow empty passwords login so that the default root user can login in
> through openssh.
>
> Signed-off-by: Lianhao Lu <[email protected]>
> ---
> meta/classes/core-image.bbclass | 2 ++
> meta/classes/image.bbclass | 10 +++++++++-
> 2 files changed, 11 insertions(+), 1 deletions(-)
>
> diff --git a/meta/classes/core-image.bbclass b/meta/classes/core-image.bbclass
> index e2ad0fc..25f5c5a 100644
> --- a/meta/classes/core-image.bbclass
> +++ b/meta/classes/core-image.bbclass
> @@ -69,4 +69,6 @@ ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp ; "
>
> # Zap the root password if debug-tweaks feature is not enabled
> ROOTFS_POSTPROCESS_COMMAND += '${@base_contains("IMAGE_FEATURES",
> "debug-tweaks", "", "zap_root_password ; ",d)}'
> +# Allow openssh accept empty password login if both debug-tweaks and
> ssh-server-openssh are enabled
> +ROOTFS_POSTPROCESS_COMMAND += '${@base_contains("IMAGE_FEATURES",
> "debug-tweaks ssh-server-openssh", "openssh_allow_empty_password; ", "",d)}'
>
> diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
> index fb932b9..3f53271 100644
> --- a/meta/classes/image.bbclass
> +++ b/meta/classes/image.bbclass
> @@ -318,6 +318,14 @@ zap_root_password () {
> mv ${IMAGE_ROOTFS}/etc/passwd.new ${IMAGE_ROOTFS}/etc/passwd
> }
>
> +# allow openssh accept login with empty password string
> +openssh_allow_empty_password () {
> + if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config ]; then
> + sed 's#.*PermitEmptyPasswords.*#PermitEmptyPasswords yes#'
> ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config
> >${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config.new
> + mv -f ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config.new
> ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config
> + fi
> +}
Can't we just use the -i option here?
> # Turn any symbolic /sbin/init link into a file
> remove_init_link () {
> if [ -h ${IMAGE_ROOTFS}/sbin/init ]; then
> @@ -372,7 +380,7 @@ rootfs_trim_schemas () {
> done
> }
>
> -EXPORT_FUNCTIONS zap_root_password remove_init_link do_rootfs
> make_zimage_symlink_relative set_image_autologin rootfs_update_timestamp
> rootfs_no_x_startup
> +EXPORT_FUNCTIONS zap_root_password remove_init_link do_rootfs
> make_zimage_symlink_relative set_image_autologin rootfs_update_timestamp
> rootfs_no_x_startup openssh_allow_empty_password
This use of EXPORT_FUNCTIONS looks wrong, you don't need to add this
here and in fact that whole line can probably be removed...
Cheers,
Richard
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