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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$D" != "x"; then
# Installing into a sysroot
SYSROOT="$D"
OPT="--root $D"
# Add groups and users defined for all recipe packages
GROUPADD_PARAM="${@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 $D since it isn't set to anything
# before do_install
D=${STAGING_DIR_TARGET}
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)
}
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