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# 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
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DEPENDS_append = "${USERADDDEPENDS}"
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USERADDDEPENDS = " base-passwd shadow-native shadow-sysroot shadow"
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USERADDDEPENDS_virtclass-cross = ""
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USERADDDEPENDS_class-native = ""
USERADDDEPENDS_class-nativesdk = ""
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# This preinstall function can be run in four different contexts:
#
# a) Before do_install
# b) At do_populate_sysroot_setscene when installing from sstate packages
# c) As the preinst script in the target package at do_rootfs time
# d) As the preinst script in the target package on device as a package upgrade
#
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useradd_preinst () {
OPT=""
SYSROOT=""
if test "x$D" != "x"; then
# Installing into a sysroot
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SYSROOT="$D"
OPT="--root $D"
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# Add groups and users defined for all recipe packages
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GROUPADD_PARAM="${@get_all_cmd_params(d, 'groupadd')}"
USERADD_PARAM="${@get_all_cmd_params(d, 'useradd')}"
GROUPMEMS_PARAM="${@get_all_cmd_params(d, 'groupmems')}"
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else
# Installing onto a target
# Add groups and users defined only for this package
GROUPADD_PARAM="${GROUPADD_PARAM}"
USERADD_PARAM="${USERADD_PARAM}"
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GROUPMEMS_PARAM="${GROUPMEMS_PARAM}"
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fi
# Perform group additions first, since user additions may depend
# on these groups existing
if test "x$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$opts" != "x"; do
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groupname=`echo "$opts" | awk '{ print $NF }'`
group_exists=`grep "^$groupname:" $SYSROOT/etc/group || true`
if test "x$group_exists" = "x"; then
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count=1
while true; do
eval $PSEUDO groupadd $OPT $opts || true
group_exists=`grep "^$groupname:" $SYSROOT/etc/group || true`
if test "x$group_exists" = "x"; then
# File locking issues can require us to retry the command
echo "WARNING: groupadd command did not succeed. Retrying..."
sleep 1
else
break
fi
count=`expr $count + 1`
if test $count = 11; then
echo "ERROR: tried running groupadd command 10 times without success, giving up"
exit 1
fi
done
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else
echo "Note: group $groupname already exists, not re-creating it"
fi
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if test "x$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
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count=1
while true; do
eval $PSEUDO useradd $OPT $opts || true
user_exists=`grep "^$username:" $SYSROOT/etc/passwd || true`
if test "x$user_exists" = "x"; then
# File locking issues can require us to retry the command
echo "WARNING: useradd command did not succeed. Retrying..."
sleep 1
else
break
fi
count=`expr $count + 1`
if test $count = 11; then
echo "ERROR: tried running useradd command 10 times without success, giving up"
exit 1
fi
done
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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 "$remaining" | cut -d ';' -f 2-`
done
fi
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if test "x$GROUPMEMS_PARAM" != "x"; then
echo "Running groupmems commands..."
# groupmems fails if /etc/gshadow does not exist
if [ -f $SYSROOT${sysconfdir}/gshadow ]; then
gshadow="yes"
else
gshadow="no"
touch $SYSROOT${sysconfdir}/gshadow
fi
# 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$opts" != "x"; do
groupname=`echo "$opts" | awk '{ for (i = 1; i < NF; i++) if ($i == "-g" || $i == "--group") print $(i+1) }'`
username=`echo "$opts" | awk '{ for (i = 1; i < NF; i++) if ($i == "-a" || $i == "--add") print $(i+1) }'`
echo "$groupname $username"
mem_exists=`grep "^$groupname:[^:]*:[^:]*:\([^,]*,\)*$username\(,[^,]*\)*" $SYSROOT/etc/group || true`
if test "x$mem_exists" = "x"; then
count=1
while true; do
eval $PSEUDO groupmems $OPT $opts || true
mem_exists=`grep "^$groupname:[^:]*:[^:]*:\([^,]*,\)*$username\(,[^,]*\)*" $SYSROOT/etc/group || true`
if test "x$mem_exists" = "x"; then
# File locking issues can require us to retry the command
echo "WARNING: groupmems command did not succeed. Retrying..."
sleep 1
else
break
fi
count=`expr $count + 1`
if test $count = 11; then
echo "ERROR: tried running groupmems command 10 times without success, giving up"
if test "x$gshadow" = "xno"; then
rm -f $SYSROOT${sysconfdir}/gshadow
rm -f $SYSROOT${sysconfdir}/gshadow-
fi
exit 1
fi
done
else
echo "Note: group $groupname already contains $username, not re-adding it"
fi
if test "x$opts" = "x$remaining"; then
break
fi
opts=`echo "$remaining" | cut -d ';' -f 1`
remaining=`echo "$remaining" | cut -d ';' -f 2-`
done
if test "x$gshadow" = "xno"; then
rm -f $SYSROOT${sysconfdir}/gshadow
rm -f $SYSROOT${sysconfdir}/gshadow-
fi
fi
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}
useradd_sysroot () {
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# 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"
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# Explicitly set $D since it isn't set to anything
# before do_install
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D=${STAGING_DIR_TARGET}
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useradd_preinst
}
useradd_sysroot_sstate () {
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if [ "${BB_CURRENTTASK}" = "package_setscene" ]
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then
useradd_sysroot
fi
}
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do_install[prefuncs] += "${SYSROOTFUNC}"
SYSROOTFUNC = "useradd_sysroot"
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SYSROOTFUNC_virtclass-cross = ""
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SYSROOTFUNC_class-native = ""
SYSROOTFUNC_class-nativesdk = ""
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SSTATEPREINSTFUNCS += "${SYSROOTPOSTFUNC}"
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SYSROOTPOSTFUNC = "useradd_sysroot_sstate"
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SYSROOTPOSTFUNC_virtclass-cross = ""
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SYSROOTPOSTFUNC_class-native = ""
SYSROOTPOSTFUNC_class-nativesdk = ""
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USERADDSETSCENEDEPS = "${MLPREFIX}base-passwd:do_populate_sysroot_setscene shadow-native:do_populate_sysroot_setscene ${MLPREFIX}shadow-sysroot:do_populate_sysroot_setscene"
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USERADDSETSCENEDEPS_virtclass-cross = ""
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USERADDSETSCENEDEPS_class-native = ""
USERADDSETSCENEDEPS_class-nativesdk = ""
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do_package_setscene[depends] += "${USERADDSETSCENEDEPS}"
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# Recipe parse-time sanity checks
def update_useradd_after_parse(d):
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useradd_packages = d.getVar('USERADD_PACKAGES', True)
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if not useradd_packages:
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raise bb.build.FuncFailed("%s inherits useradd but doesn't set USERADD_PACKAGES" % d.getVar('FILE'))
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for pkg in useradd_packages.split():
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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):
raise bb.build.FuncFailed("%s inherits useradd but doesn't set USERADD_PARAM, GROUPADD_PARAM or GROUPMEMS_PARAM for package %s" % (d.getVar('FILE'), pkg))
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python __anonymous() {
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update_useradd_after_parse(d)
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}
# Return a single [GROUP|USER]ADD_PARAM formatted string which includes the
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# [group|user]add parameters for all USERADD_PACKAGES in this recipe
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def get_all_cmd_params(d, cmd_type):
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import string
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param_type = cmd_type.upper() + "_PARAM_%s"
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params = []
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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)
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return "; ".join(params)
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# Adds the preinst script into generated packages
fakeroot python populate_packages_prepend () {
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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)
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'
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):
useradd_packages = d.getVar('USERADD_PACKAGES', True) or ""
for pkg in useradd_packages.split():
update_useradd_package(pkg)
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}