1 files changed, 213 insertions, 0 deletions

diff --git a/meta/classes/useradd.bbclass b/meta/classes/useradd.bbclass
new file mode 100644
index 0000000000..0b9a843b24
--- /dev/null
+++ b/meta/classes/useradd.bbclass
@@ -0,0 +1,213 @@
+inherit useradd_base
+
+# base-passwd-cross provides the default passwd and group files in the
+# target sysroot, and shadow -native and -sysroot provide the utilities
+# and support files needed to add and modify user and group accounts
+DEPENDS_append = "${USERADDDEPENDS}"
+USERADDDEPENDS = " base-files base-passwd shadow-native shadow-sysroot shadow"
+USERADDDEPENDS_class-cross = ""
+USERADDDEPENDS_class-native = ""
+USERADDDEPENDS_class-nativesdk = ""
+
+# This preinstall function can be run in four different contexts:
+#
+# a) Before do_install
+# b) At do_populate_sysroot_setscene when installing from sstate packages
+# c) As the preinst script in the target package at do_rootfs time
+# d) As the preinst script in the target package on device as a package upgrade
+#
+useradd_preinst () {
+OPT=""
+SYSROOT=""
+
+if test "x$D" != "x"; then
+        # Installing into a sysroot
+        SYSROOT="$D"
+        OPT="--root $D"
+        # user/group lookups should match useradd/groupadd --root
+        export PSEUDO_PASSWD="$SYSROOT:${STAGING_DIR_NATIVE}"
+fi
+
+# If we're not doing a special SSTATE/SYSROOT install
+# then set the values, otherwise use the environment
+if test "x$UA_SYSROOT" = "x"; then
+        # Installing onto a target
+        # Add groups and users defined only for this package
+        GROUPADD_PARAM="${GROUPADD_PARAM}"
+        USERADD_PARAM="${USERADD_PARAM}"
+        GROUPMEMS_PARAM="${GROUPMEMS_PARAM}"
+fi
+
+# Perform group additions first, since user additions may depend
+# on these groups existing
+if test "x$GROUPADD_PARAM" != "x"; then
+        echo "Running groupadd commands..."
+        # Invoke multiple instances of groupadd for parameter lists
+        # separated by ';'
+        opts=`echo "$GROUPADD_PARAM" | cut -d ';' -f 1`
+        remaining=`echo "$GROUPADD_PARAM" | cut -d ';' -f 2-`
+        while test "x$opts" != "x"; do
+                perform_groupadd "$SYSROOT" "$OPT $opts" 10
+                if test "x$opts" = "x$remaining"; then
+                        break
+                fi
+                opts=`echo "$remaining" | cut -d ';' -f 1`
+                remaining=`echo "$remaining" | cut -d ';' -f 2-`
+        done
+fi 
+
+if test "x$USERADD_PARAM" != "x"; then
+        echo "Running useradd commands..."
+        # Invoke multiple instances of useradd for parameter lists
+        # separated by ';'
+        opts=`echo "$USERADD_PARAM" | cut -d ';' -f 1`
+        remaining=`echo "$USERADD_PARAM" | cut -d ';' -f 2-`
+        while test "x$opts" != "x"; do
+                perform_useradd "$SYSROOT" "$OPT $opts" 10
+                if test "x$opts" = "x$remaining"; then
+                        break
+                fi
+                opts=`echo "$remaining" | cut -d ';' -f 1`
+                remaining=`echo "$remaining" | cut -d ';' -f 2-`
+        done
+fi
+
+if test "x$GROUPMEMS_PARAM" != "x"; then
+        echo "Running groupmems commands..."
+        # Invoke multiple instances of groupmems for parameter lists
+        # separated by ';'
+        opts=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 1`
+        remaining=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 2-`
+        while test "x$opts" != "x"; do
+                perform_groupmems "$SYSROOT" "$OPT $opts" 10
+                if test "x$opts" = "x$remaining"; then
+                        break
+                fi
+                opts=`echo "$remaining" | cut -d ';' -f 1`
+                remaining=`echo "$remaining" | cut -d ';' -f 2-`
+        done
+fi
+}
+
+useradd_sysroot () {
+        # Pseudo may (do_install) or may not (do_populate_sysroot_setscene) be running 
+        # at this point so we're explicit about the environment so pseudo can load if 
+        # not already present.
+        export PSEUDO="${FAKEROOTENV} PSEUDO_LOCALSTATEDIR=${STAGING_DIR_TARGET}${localstatedir}/pseudo ${STAGING_DIR_NATIVE}${bindir}/pseudo"
+
+        # Explicitly set $D since it isn't set to anything
+        # before do_install
+        D=${STAGING_DIR_TARGET}
+
+        # Add groups and users defined for all recipe packages
+        GROUPADD_PARAM="${@get_all_cmd_params(d, 'groupadd')}"
+        USERADD_PARAM="${@get_all_cmd_params(d, 'useradd')}"
+        GROUPMEMS_PARAM="${@get_all_cmd_params(d, 'groupmems')}"
+
+        # Tell the system to use the environment vars
+        UA_SYSROOT=1
+
+        useradd_preinst
+}
+
+useradd_sysroot_sstate () {
+        if [ "${BB_CURRENTTASK}" = "package_setscene" -o "${BB_CURRENTTASK}" = "populate_sysroot_setscene" ]
+        then
+                useradd_sysroot
+        fi
+}
+
+do_install[prefuncs] += "${SYSROOTFUNC}"
+SYSROOTFUNC = "useradd_sysroot"
+SYSROOTFUNC_class-cross = ""
+SYSROOTFUNC_class-native = ""
+SYSROOTFUNC_class-nativesdk = ""
+SSTATEPREINSTFUNCS += "${SYSROOTPOSTFUNC}"
+SYSROOTPOSTFUNC = "useradd_sysroot_sstate"
+SYSROOTPOSTFUNC_class-cross = ""
+SYSROOTPOSTFUNC_class-native = ""
+SYSROOTPOSTFUNC_class-nativesdk = ""
+
+USERADDSETSCENEDEPS = "${MLPREFIX}base-passwd:do_populate_sysroot_setscene pseudo-native:do_populate_sysroot_setscene shadow-native:do_populate_sysroot_setscene ${MLPREFIX}shadow-sysroot:do_populate_sysroot_setscene"
+USERADDSETSCENEDEPS_class-cross = ""
+USERADDSETSCENEDEPS_class-native = ""
+USERADDSETSCENEDEPS_class-nativesdk = ""
+do_package_setscene[depends] += "${USERADDSETSCENEDEPS}"
+do_populate_sysroot_setscene[depends] += "${USERADDSETSCENEDEPS}"
+
+# Recipe parse-time sanity checks
+def update_useradd_after_parse(d):
+    useradd_packages = d.getVar('USERADD_PACKAGES', True)
+
+    if not useradd_packages:
+        raise bb.build.FuncFailed("%s inherits useradd but doesn't set USERADD_PACKAGES" % d.getVar('FILE'))
+
+    for pkg in useradd_packages.split():
+        if not d.getVar('USERADD_PARAM_%s' % pkg, True) and not d.getVar('GROUPADD_PARAM_%s' % pkg, True) and not d.getVar('GROUPMEMS_PARAM_%s' % pkg, True):
+            bb.fatal("%s inherits useradd but doesn't set USERADD_PARAM, GROUPADD_PARAM or GROUPMEMS_PARAM for package %s" % (d.getVar('FILE'), pkg))
+
+python __anonymous() {
+    if not bb.data.inherits_class('nativesdk', d) \
+        and not bb.data.inherits_class('native', d):
+        update_useradd_after_parse(d)
+}
+
+# Return a single [GROUP|USER]ADD_PARAM formatted string which includes the
+# [group|user]add parameters for all USERADD_PACKAGES in this recipe
+def get_all_cmd_params(d, cmd_type):
+    import string
+    
+    param_type = cmd_type.upper() + "_PARAM_%s"
+    params = []
+
+    useradd_packages = d.getVar('USERADD_PACKAGES', True) or ""
+    for pkg in useradd_packages.split():
+        param = d.getVar(param_type % pkg, True)
+        if param:
+            params.append(param)
+
+    return "; ".join(params)
+
+# Adds the preinst script into generated packages
+fakeroot python populate_packages_prepend () {
+    def update_useradd_package(pkg):
+        bb.debug(1, 'adding user/group calls to preinst for %s' % pkg)
+
+        """
+        useradd preinst is appended here because pkg_preinst may be
+        required to execute on the target. Not doing so may cause
+        useradd preinst to be invoked twice, causing unwanted warnings.
+        """
+        preinst = d.getVar('pkg_preinst_%s' % pkg, True) or d.getVar('pkg_preinst', True)
+        if not preinst:
+            preinst = '#!/bin/sh\n'
+        preinst += 'bbnote () {\n%s}\n' % d.getVar('bbnote', True)
+        preinst += 'bbwarn () {\n%s}\n' % d.getVar('bbwarn', True)
+        preinst += 'bbfatal () {\n%s}\n' % d.getVar('bbfatal', True)
+        preinst += 'perform_groupadd () {\n%s}\n' % d.getVar('perform_groupadd', True)
+        preinst += 'perform_useradd () {\n%s}\n' % d.getVar('perform_useradd', True)
+        preinst += 'perform_groupmems () {\n%s}\n' % d.getVar('perform_groupmems', True)
+        preinst += d.getVar('useradd_preinst', True)
+        d.setVar('pkg_preinst_%s' % pkg, preinst)
+
+        # RDEPENDS setup
+        rdepends = d.getVar("RDEPENDS_%s" % pkg, True) or ""
+        rdepends += ' ' + d.getVar('MLPREFIX') + 'base-passwd'
+        rdepends += ' ' + d.getVar('MLPREFIX') + 'shadow'
+        # base-files is where the default /etc/skel is packaged
+        rdepends += ' ' + d.getVar('MLPREFIX') + 'base-files'
+        d.setVar("RDEPENDS_%s" % pkg, rdepends)
+
+    # Add the user/group preinstall scripts and RDEPENDS requirements
+    # to packages specified by USERADD_PACKAGES
+    if not bb.data.inherits_class('nativesdk', d) \
+        and not bb.data.inherits_class('native', d):
+        useradd_packages = d.getVar('USERADD_PACKAGES', True) or ""
+        for pkg in useradd_packages.split():
+            update_useradd_package(pkg)
+}
+
+# Use the following to extend the useradd with custom functions
+USERADDEXTENSION ?= ""
+
+inherit ${USERADDEXTENSION}