From patchwork Wed Jun 20 04:25:21 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [V2,1/3] classes/image: Allow openssh empty passwords login. Date: Wed, 20 Jun 2012 04:25:21 -0000 From: Lianhao Lu X-Patchwork-Id: 30245 Message-Id: <644f893ebb1c70b7081a82cef39b10b7233463cd.1340166208.git.lianhao.lu@intel.com> To: openembedded-core@lists.openembedded.org Allow empty passwords login so that the default root user can login in through openssh. Signed-off-by: Lianhao Lu --- meta/classes/core-image.bbclass | 2 ++ meta/classes/image.bbclass | 9 ++++++++- 2 files changed, 10 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..404bf03 100644 --- a/meta/classes/image.bbclass +++ b/meta/classes/image.bbclass @@ -318,6 +318,13 @@ 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 -i 's#.*PermitEmptyPasswords.*#PermitEmptyPasswords yes#' ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config + fi +} + # Turn any symbolic /sbin/init link into a file remove_init_link () { if [ -h ${IMAGE_ROOTFS}/sbin/init ]; then @@ -372,7 +379,7 @@ 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 do_fetch[noexec] = "1" do_unpack[noexec] = "1"