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:class-target = " base-files shadow-native shadow-sysroot shadow base-passwd" PACKAGE_WRITE_DEPS += "shadow-native" # 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" # Make sure login.defs is there, this is to make debian package backend work # correctly while doing rootfs. # The problem here is that if /etc/login.defs is treated as a config file for # shadow package, then while performing preinsts for packages that depend on # shadow, there might only be /etc/login.def.dpkg-new there in root filesystem. if [ ! -e $D${sysconfdir}/login.defs -a -e $D${sysconfdir}/login.defs.dpkg-new ]; then cp $D${sysconfdir}/login.defs.dpkg-new $D${sysconfdir}/login.defs fi # user/group lookups should match useradd/groupadd --root export PSEUDO_PASSWD="$SYSROOT" fi # If we're not doing a special SSTATE/SYSROOT install # then set the values, otherwise use the environment if test "x$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`echo $GROUPADD_PARAM | tr -d '[:space:]'`" != "x"; then echo "Running groupadd commands..." # Invoke multiple instances of groupadd for parameter lists # separated by ';' opts=`echo "$GROUPADD_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'` remaining=`echo "$GROUPADD_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'` while test "x$opts" != "x"; do perform_groupadd "$SYSROOT" "$OPT $opts" if test "x$opts" = "x$remaining"; then break fi opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'` remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'` done fi if test "x`echo $USERADD_PARAM | tr -d '[:space:]'`" != "x"; then echo "Running useradd commands..." # Invoke multiple instances of useradd for parameter lists # separated by ';' opts=`echo "$USERADD_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'` remaining=`echo "$USERADD_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'` while test "x$opts" != "x"; do perform_useradd "$SYSROOT" "$OPT $opts" if test "x$opts" = "x$remaining"; then break fi opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'` remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'` done fi if test "x`echo $GROUPMEMS_PARAM | tr -d '[:space:]'`" != "x"; then echo "Running groupmems commands..." # Invoke multiple instances of groupmems for parameter lists # separated by ';' opts=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'` remaining=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'` while test "x$opts" != "x"; do perform_groupmems "$SYSROOT" "$OPT $opts" if test "x$opts" = "x$remaining"; then break fi opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'` remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'` done fi } useradd_sysroot () { # Pseudo may (do_prepare_recipe_sysroot) or may not (do_populate_sysroot_setscene) be running # at this point so we're explicit about the environment so pseudo can load if # not already present. # PSEUDO_SYSROOT can contain references to the build architecture and COMPONENT_DIR # so needs the STAGING_FIXME below export PSEUDO="${FAKEROOTENV} ${PSEUDO_SYSROOT}${bindir_native}/pseudo" # Explicitly set $D since it isn't set to anything # before do_prepare_recipe_sysroot D=${STAGING_DIR_TARGET} # base-passwd's postinst may not have run yet in which case we'll get called later, just exit. # Beware that in some cases we might see the fake pseudo passwd here, in which case we also must # exit. if [ ! -f $D${sysconfdir}/passwd ] || grep -q this-is-the-pseudo-passwd $D${sysconfdir}/passwd; then exit 0 fi # It is also possible we may be in a recipe which doesn't have useradd dependencies and hence the # useradd/groupadd tools are unavailable. If there is no dependency, we assume we don't want to # create users in the sysroot if ! command -v useradd; then bbwarn "command useradd not found!" exit 0 fi # 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 } # The export of PSEUDO in useradd_sysroot() above contains references to # ${PSEUDO_SYSROOT} and ${PSEUDO_LOCALSTATEDIR}. Additionally, the logging # shell functions use ${LOGFIFO}. These need to be handled when restoring # postinst-useradd-${PN} from the sstate cache. EXTRA_STAGING_FIXMES += "PSEUDO_SYSROOT PSEUDO_LOCALSTATEDIR LOGFIFO" python useradd_sysroot_sstate () { scriptfile = None task = d.getVar("BB_CURRENTTASK") if task == "package_setscene": bb.build.exec_func("useradd_sysroot", d) elif task == "prepare_recipe_sysroot": # Used to update this recipe's own sysroot so the user/groups are available to do_install scriptfile = d.expand("${RECIPE_SYSROOT}${bindir}/postinst-useradd-${PN}") bb.build.exec_func("useradd_sysroot", d) elif task == "populate_sysroot": # Used when installed in dependent task sysroots scriptfile = d.expand("${SYSROOT_DESTDIR}${bindir}/postinst-useradd-${PN}") if scriptfile: bb.utils.mkdirhier(os.path.dirname(scriptfile)) with open(scriptfile, 'w') as script: script.write("#!/bin/sh\n") bb.data.emit_func("useradd_sysroot", script, d) script.write("useradd_sysroot\n") os.chmod(scriptfile, 0o755) } do_prepare_recipe_sysroot[postfuncs] += "${SYSROOTFUNC}" SYSROOTFUNC:class-target = "useradd_sysroot_sstate" SYSROOTFUNC = "" SYSROOT_PREPROCESS_FUNCS += "${SYSROOTFUNC}" SSTATEPREINSTFUNCS:append:class-target = " useradd_sysroot_sstate" do_package_setscene[depends] += "${USERADDSETSCENEDEPS}" do_populate_sysroot_setscene[depends] += "${USERADDSETSCENEDEPS}" USERADDSETSCENEDEPS:class-target = "${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 = "" # Recipe parse-time sanity checks def update_useradd_after_parse(d): useradd_packages = d.getVar('USERADD_PACKAGES') if not useradd_packages: bb.fatal("%s inherits useradd but doesn't set USERADD_PACKAGES" % d.getVar('FILE', False)) for pkg in useradd_packages.split(): d.appendVarFlag("do_populate_sysroot", "vardeps", "USERADD_PARAM:%s GROUPADD_PARAM:%s GROUPMEMS_PARAM:%s" % (pkg, pkg, pkg)) if not d.getVar('USERADD_PARAM:%s' % pkg) and not d.getVar('GROUPADD_PARAM:%s' % pkg) and not d.getVar('GROUPMEMS_PARAM:%s' % pkg): bb.fatal("%s inherits useradd but doesn't set USERADD_PARAM, GROUPADD_PARAM or GROUPMEMS_PARAM for package %s" % (d.getVar('FILE', False), 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') or "" for pkg in useradd_packages.split(): param = d.getVar(param_type % pkg) if param: params.append(param.rstrip(" ;")) 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) or d.getVar('pkg_preinst') if not preinst: preinst = '#!/bin/sh\n' preinst += 'bbnote () {\n\techo "NOTE: $*"\n}\n' preinst += 'bbwarn () {\n\techo "WARNING: $*"\n}\n' preinst += 'bbfatal () {\n\techo "ERROR: $*"\n\texit 1\n}\n' preinst += 'perform_groupadd () {\n%s}\n' % d.getVar('perform_groupadd') preinst += 'perform_useradd () {\n%s}\n' % d.getVar('perform_useradd') preinst += 'perform_groupmems () {\n%s}\n' % d.getVar('perform_groupmems') preinst += d.getVar('useradd_preinst') d.setVar('pkg_preinst:%s' % pkg, preinst) # RDEPENDS setup rdepends = d.getVar("RDEPENDS:%s" % pkg) or "" rdepends += ' ' + d.getVar('MLPREFIX', False) + 'base-passwd' rdepends += ' ' + d.getVar('MLPREFIX', False) + 'shadow' # base-files is where the default /etc/skel is packaged rdepends += ' ' + d.getVar('MLPREFIX', False) + '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') or "" for pkg in useradd_packages.split(): update_useradd_package(pkg) } # Use the following to extend the useradd with custom functions USERADDEXTENSION ?= "" inherit ${USERADDEXTENSION}