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authorChen Qi <Qi.Chen@windriver.com>2013-07-19 09:52:26 +0800
committerSaul Wold <sgw@linux.intel.com>2013-07-22 09:44:11 -0700
commit4b6deb521183b728d9a1c651d4805fe635e6cb50 (patch)
tree399561eb4f94cb08769f49faab6816f0621342ec /meta/classes/extrausers.bbclass
parent2a57bb7e9a7e154578aa7cb9aeebdf398a54ec00 (diff)
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extrausers.bbclass: add a new bbclass
This class is dedicated to image level user/group configuration. It inherits useradd_base.bbclass. Users need to inherit this class in their layers or local.conf to make the setting of EXTRA_USERS_PARAMS effective. For detailed configuration format of EXTRA_USERS_PARAMS, please refer to local.conf.sample.extended. [YOCTO #4074] Signed-off-by: Chen Qi <Qi.Chen@windriver.com> Signed-off-by: Saul Wold <sgw@linux.intel.com>
Diffstat (limited to 'meta/classes/extrausers.bbclass')
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diff --git a/meta/classes/extrausers.bbclass b/meta/classes/extrausers.bbclass
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+# This bbclass is mainly used for image level user/group configuration.
+# Inherit this class if you want to make EXTRA_USERS_PARAMS effective.
+
+# Below is an example showing how to use this functionality.
+# INHERIT += "extrausers"
+# EXTRA_USERS_PARAMS = "\
+# useradd -p '' tester; \
+# groupadd developers; \
+# userdel nobody; \
+# groupdel -g video; \
+# groupmod -g 1020 developers; \
+# usermod -s /bin/sh tester; \
+# "
+
+
+inherit useradd_base
+
+IMAGE_INSTALL_append = " ${@['', 'base-passwd shadow'][bool(d.getVar('EXTRA_USERS_PARAMS', True))]}"
+
+# Image level user / group settings
+ROOTFS_POSTPROCESS_COMMAND_append = " set_user_group;"
+
+# Image level user / group settings
+set_user_group () {
+ user_group_settings="${EXTRA_USERS_PARAMS}"
+ export PSEUDO="${FAKEROOTENV} ${STAGING_DIR_NATIVE}${bindir}/pseudo"
+ setting=`echo $user_group_settings | cut -d ';' -f1`
+ remaining=`echo $user_group_settings | cut -d ';' -f2-`
+ while test "x$setting" != "x"; do
+ cmd=`echo $setting | cut -d ' ' -f1`
+ opts=`echo $setting | cut -d ' ' -f2-`
+ # Different from useradd.bbclass, there's no file locking issue here, as
+ # this setting is actually a serial process. So we only retry once.
+ case $cmd in
+ useradd)
+ perform_useradd "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} $opts" 1
+ ;;
+ groupadd)
+ perform_groupadd "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} $opts" 1
+ ;;
+ userdel)
+ perform_userdel "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} $opts" 1
+ ;;
+ groupdel)
+ perform_groupdel "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} $opts" 1
+ ;;
+ usermod)
+ perform_usermod "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} $opts" 1
+ ;;
+ groupmod)
+ perform_groupmod "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} $opts" 1
+ ;;
+ *)
+ bbfatal "Invalid command in EXTRA_USERS_PARAMS: $cmd"
+ ;;
+ esac
+ # iterate to the next setting
+ setting=`echo $remaining | cut -d ';' -f1`
+ remaining=`echo $remaining | cut -d ';' -f2-`
+ done
+}