[oe-commits] [openembedded-core] 11/44: rootfs-postcommands: split ssh_allow_empty_password

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 8cd2485c65506472db6bac810147777065724627
Author: Jackie Huang <jackie.huang at windriver.com>
AuthorDate: Wed May 30 17:03:56 2018 +0800

    rootfs-postcommands: split ssh_allow_empty_password
    
    "allow root login" should not be bundled in ssh_allow_empty_password,
    because some distro may want only one of "allow root login" and "allow
    empty password", so split it out into ssh_allow_root_login and add new
    imagefeature allow-root-login so they can be controlled separately,
    debug-tweaks will still include both of them.
    
    Signed-off-by: Jackie Huang <jackie.huang at windriver.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/image.bbclass               |  2 +-
 meta/classes/rootfs-postcommands.bbclass | 25 ++++++++++++++++++++++---
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 2247b30..28e64ba 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -23,7 +23,7 @@ inherit ${TESTIMAGECLASS}
 # IMAGE_FEATURES may contain any available package group
 IMAGE_FEATURES ?= ""
 IMAGE_FEATURES[type] = "list"
-IMAGE_FEATURES[validitems] += "debug-tweaks read-only-rootfs empty-root-password allow-empty-password post-install-logging"
+IMAGE_FEATURES[validitems] += "debug-tweaks read-only-rootfs empty-root-password allow-empty-password allow-root-login post-install-logging"
 
 # Generate companion debugfs?
 IMAGE_GEN_DEBUGFS ?= "0"
diff --git a/meta/classes/rootfs-postcommands.bbclass b/meta/classes/rootfs-postcommands.bbclass
index 5522209..72cc6db 100644
--- a/meta/classes/rootfs-postcommands.bbclass
+++ b/meta/classes/rootfs-postcommands.bbclass
@@ -2,9 +2,12 @@
 # Zap the root password if debug-tweaks feature is not enabled
 ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'debug-tweaks', 'empty-root-password' ], "", "zap_empty_root_password ; ",d)}'
 
-# Allow dropbear/openssh to accept logins from accounts with an empty password string if debug-tweaks is enabled
+# Allow dropbear/openssh to accept logins from accounts with an empty password string if debug-tweaks or allow-empty-password is enabled
 ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'debug-tweaks', 'allow-empty-password' ], "ssh_allow_empty_password; ", "",d)}'
 
+# Allow dropbear/openssh to accept root logins if debug-tweaks or allow-root-login is enabled
+ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'debug-tweaks', 'allow-root-login' ], "ssh_allow_root_login; ", "",d)}'
+
 # Enable postinst logging if debug-tweaks is enabled
 ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains_any("IMAGE_FEATURES", [ 'debug-tweaks', 'post-install-logging' ], "postinst_enable_logging; ", "",d)}'
 
@@ -146,12 +149,11 @@ zap_empty_root_password () {
 }
 
 #
-# allow dropbear/openssh to accept root logins and logins from accounts with an empty password string
+# allow dropbear/openssh to accept logins from accounts with an empty password string
 #
 ssh_allow_empty_password () {
 	for config in sshd_config sshd_config_readonly; do
 		if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config ]; then
-			sed -i 's/^[#[:space:]]*PermitRootLogin.*/PermitRootLogin yes/' ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config
 			sed -i 's/^[#[:space:]]*PermitEmptyPasswords.*/PermitEmptyPasswords yes/' ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config
 		fi
 	done
@@ -174,6 +176,23 @@ ssh_allow_empty_password () {
 	fi
 }
 
+#
+# allow dropbear/openssh to accept root logins
+#
+ssh_allow_root_login () {
+	for config in sshd_config sshd_config_readonly; do
+		if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config ]; then
+			sed -i 's/^[#[:space:]]*PermitRootLogin.*/PermitRootLogin yes/' ${IMAGE_ROOTFS}${sysconfdir}/ssh/$config
+		fi
+	done
+
+	if [ -e ${IMAGE_ROOTFS}${sbindir}/dropbear ] ; then
+		if grep -q DROPBEAR_EXTRA_ARGS ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear 2>/dev/null ; then
+			sed -i '/^DROPBEAR_EXTRA_ARGS=/ s/-w//' ${IMAGE_ROOTFS}${sysconfdir}/default/dropbear
+		fi
+	fi
+}
+
 ssh_disable_dns_lookup () {
 	if [ -e ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config ]; then
 		sed -i -e 's:#UseDNS yes:UseDNS no:' ${IMAGE_ROOTFS}${sysconfdir}/ssh/sshd_config

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