USERADDPN ?= "${PN}" # base-passwd-cross provides the default passwd and group files in the # target sysroot, and shadow -native and -sysroot provide the utilities # and support files needed to add and modify user and group accounts DEPENDS_append = " base-passwd shadow-native shadow-sysroot" RDEPENDS_${USERADDPN}_append = " base-passwd shadow" # This preinstall function will be run in two contexts: once for the # native sysroot (as invoked by the useradd_sysroot() wrapper), and # also as the preinst script in the target package. useradd_preinst () { OPT="" SYSROOT="" if test "x$D" != "x"; then # Installing into a sysroot SYSROOT="${STAGING_DIR_TARGET}" OPT="--root ${STAGING_DIR_TARGET}" # Add groups and users defined for all recipe packages GROUPADD_PARAM="${@get_all_cmd_params(d, 'group')}" USERADD_PARAM="${@get_all_cmd_params(d, 'user')}" else # Installing onto a target # Add groups and users defined only for this package GROUPADD_PARAM="${GROUPADD_PARAM}" USERADD_PARAM="${USERADD_PARAM}" fi # Perform group additions first, since user additions may depend # on these groups existing if test "x$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 eval $PSEUDO groupadd -f $OPT $opts if test "x$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$opts" != "x"; do # useradd does not have a -f option, so we have to check if the # username already exists manually username=`echo "$opts" | awk '{ print $NF }'` user_exists=`grep "^$username:" $SYSROOT/etc/passwd || true` if test "x$user_exists" = "x"; then eval $PSEUDO useradd $OPT $opts else echo "Note: username $username already exists, not re-creating it" fi if test "x$opts" = "x$remaining"; then break fi opts=`echo "$remaining" | cut -d ';' -f 1` remaining=`echo "$remaining" | cut -d ';' -f 2-` done fi } useradd_sysroot () { export PSEUDO="${STAGING_DIR_NATIVE}${bindir}/pseudo" export PSEUDO_LOCALSTATEDIR="${STAGING_DIR_TARGET}${localstatedir}/pseudo" # Explicitly set $D since it isn't set to anything # before do_install D=${D} useradd_preinst } useradd_sysroot_sstate () { if [ "${BB_CURRENTTASK}" = "populate_sysroot_setscene" ] then useradd_sysroot fi } do_install[prefuncs] += "useradd_sysroot" SSTATEPOSTINSTFUNCS += "useradd_sysroot_sstate" # Recipe parse-time sanity checks def update_useradd_after_parse(d): if not d.getVar('USERADD_PACKAGES', False): if not d.getVar('USERADD_PARAM', False) and not d.getVar('GROUPADD_PARAM', False): raise bb.build.FuncFailed, "%s inherits useradd but doesn't set USERADD_PARAM or GROUPADD_PARAM" % bb.data.getVar('FILE', d) python __anonymous() { update_useradd_after_parse(d) } # Return a single [GROUP|USER]ADD_PARAM formatted string which includes the # [group|user]add parameters for all packages in this recipe def get_all_cmd_params(d, cmd_type): import string param_type = cmd_type.upper() + "ADD_PARAM_%s" params = [] pkgs = d.getVar('USERADD_PACKAGES', True) if not pkgs: pkgs = d.getVar('USERADDPN', True) packages = (d.getVar('PACKAGES', True) or "").split() if packages and pkgs not in packages: pkgs = packages[0] for pkg in pkgs.split(): param = d.getVar(param_type % pkg, True) if param: params.append(param) return string.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 += d.getVar('useradd_preinst', True) bb.data.setVar('pkg_preinst_%s' % pkg, preinst, d) # We add the user/group calls to all packages to allow any package # to contain files owned by the users/groups defined in the recipe. # The user/group addition code is careful not to create duplicate # entries, so this is safe. pkgs = d.getVar('USERADD_PACKAGES', True) if not pkgs: pkgs = d.getVar('USERADDPN', True) packages = (d.getVar('PACKAGES', True) or "").split() if packages and pkgs not in packages: pkgs = packages[0] for pkg in pkgs.split(): update_useradd_package(pkg) }