[OE-core] [PATCH V2 1/3] classes/image: Allow openssh empty passwords login.
Lianhao Lu
lianhao.lu at intel.com
Wed Jun 20 04:25:21 UTC 2012
Allow empty passwords login so that the default root user can login in
through openssh.
Signed-off-by: Lianhao Lu <lianhao.lu at intel.com>
---
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"
--
1.7.0.4
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