253 lines
10 KiB
Plaintext
253 lines
10 KiB
Plaintext
inherit useradd_base
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# base-passwd-cross provides the default passwd and group files in the
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# target sysroot, and shadow -native and -sysroot provide the utilities
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# and support files needed to add and modify user and group accounts
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DEPENDS_append_class-target = " base-files shadow-native shadow-sysroot shadow base-passwd"
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PACKAGE_WRITE_DEPS += "shadow-native"
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# This preinstall function can be run in four different contexts:
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#
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# a) Before do_install
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# b) At do_populate_sysroot_setscene when installing from sstate packages
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# c) As the preinst script in the target package at do_rootfs time
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# d) As the preinst script in the target package on device as a package upgrade
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#
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useradd_preinst () {
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OPT=""
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SYSROOT=""
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if test "x$D" != "x"; then
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# Installing into a sysroot
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SYSROOT="$D"
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OPT="--root $D"
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# Make sure login.defs is there, this is to make debian package backend work
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# correctly while doing rootfs.
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# The problem here is that if /etc/login.defs is treated as a config file for
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# shadow package, then while performing preinsts for packages that depend on
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# shadow, there might only be /etc/login.def.dpkg-new there in root filesystem.
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if [ ! -e $D${sysconfdir}/login.defs -a -e $D${sysconfdir}/login.defs.dpkg-new ]; then
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cp $D${sysconfdir}/login.defs.dpkg-new $D${sysconfdir}/login.defs
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fi
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# user/group lookups should match useradd/groupadd --root
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export PSEUDO_PASSWD="$SYSROOT"
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fi
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# If we're not doing a special SSTATE/SYSROOT install
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# then set the values, otherwise use the environment
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if test "x$UA_SYSROOT" = "x"; then
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# Installing onto a target
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# Add groups and users defined only for this package
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GROUPADD_PARAM="${GROUPADD_PARAM}"
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USERADD_PARAM="${USERADD_PARAM}"
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GROUPMEMS_PARAM="${GROUPMEMS_PARAM}"
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fi
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# Perform group additions first, since user additions may depend
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# on these groups existing
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if test "x`echo $GROUPADD_PARAM | tr -d '[:space:]'`" != "x"; then
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echo "Running groupadd commands..."
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# Invoke multiple instances of groupadd for parameter lists
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# separated by ';'
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opts=`echo "$GROUPADD_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
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remaining=`echo "$GROUPADD_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
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while test "x$opts" != "x"; do
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perform_groupadd "$SYSROOT" "$OPT $opts"
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if test "x$opts" = "x$remaining"; then
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break
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fi
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opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
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remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
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done
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fi
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if test "x`echo $USERADD_PARAM | tr -d '[:space:]'`" != "x"; then
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echo "Running useradd commands..."
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# Invoke multiple instances of useradd for parameter lists
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# separated by ';'
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opts=`echo "$USERADD_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
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remaining=`echo "$USERADD_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
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while test "x$opts" != "x"; do
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perform_useradd "$SYSROOT" "$OPT $opts"
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if test "x$opts" = "x$remaining"; then
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break
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fi
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opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
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remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
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done
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fi
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if test "x`echo $GROUPMEMS_PARAM | tr -d '[:space:]'`" != "x"; then
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echo "Running groupmems commands..."
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# Invoke multiple instances of groupmems for parameter lists
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# separated by ';'
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opts=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
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remaining=`echo "$GROUPMEMS_PARAM" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
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while test "x$opts" != "x"; do
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perform_groupmems "$SYSROOT" "$OPT $opts"
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if test "x$opts" = "x$remaining"; then
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break
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fi
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opts=`echo "$remaining" | cut -d ';' -f 1 | sed -e 's#[ \t]*$##'`
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remaining=`echo "$remaining" | cut -d ';' -f 2- | sed -e 's#[ \t]*$##'`
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done
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fi
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}
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useradd_sysroot () {
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# Pseudo may (do_prepare_recipe_sysroot) or may not (do_populate_sysroot_setscene) be running
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# at this point so we're explicit about the environment so pseudo can load if
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# not already present.
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export PSEUDO="${FAKEROOTENV} ${PSEUDO_SYSROOT}${bindir_native}/pseudo"
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# Explicitly set $D since it isn't set to anything
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# before do_prepare_recipe_sysroot
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D=${STAGING_DIR_TARGET}
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# base-passwd's postinst may not have run yet in which case we'll get called later, just exit.
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# Beware that in some cases we might see the fake pseudo passwd here, in which case we also must
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# exit.
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if [ ! -f $D${sysconfdir}/passwd ] ||
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grep -q this-is-the-pseudo-passwd $D${sysconfdir}/passwd; then
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exit 0
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fi
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# It is also possible we may be in a recipe which doesn't have useradd dependencies and hence the
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# useradd/groupadd tools are unavailable. If there is no dependency, we assume we don't want to
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# create users in the sysroot
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if ! command -v useradd; then
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bbwarn "command useradd not found!"
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exit 0
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fi
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# Add groups and users defined for all recipe packages
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GROUPADD_PARAM="${@get_all_cmd_params(d, 'groupadd')}"
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USERADD_PARAM="${@get_all_cmd_params(d, 'useradd')}"
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GROUPMEMS_PARAM="${@get_all_cmd_params(d, 'groupmems')}"
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# Tell the system to use the environment vars
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UA_SYSROOT=1
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useradd_preinst
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}
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# The export of PSEUDO in useradd_sysroot() above contains references to
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# ${COMPONENTS_DIR} and ${PSEUDO_LOCALSTATEDIR}. Additionally, the logging
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# shell functions use ${LOGFIFO}. These need to be handled when restoring
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# postinst-useradd-${PN} from the sstate cache.
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EXTRA_STAGING_FIXMES += "COMPONENTS_DIR PSEUDO_LOCALSTATEDIR LOGFIFO"
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python useradd_sysroot_sstate () {
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scriptfile = None
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task = d.getVar("BB_CURRENTTASK")
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if task == "package_setscene":
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bb.build.exec_func("useradd_sysroot", d)
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elif task == "prepare_recipe_sysroot":
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# Used to update this recipe's own sysroot so the user/groups are available to do_install
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scriptfile = d.expand("${RECIPE_SYSROOT}${bindir}/postinst-useradd-${PN}")
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bb.build.exec_func("useradd_sysroot", d)
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elif task == "populate_sysroot":
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# Used when installed in dependent task sysroots
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scriptfile = d.expand("${SYSROOT_DESTDIR}${bindir}/postinst-useradd-${PN}")
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if scriptfile:
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bb.utils.mkdirhier(os.path.dirname(scriptfile))
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with open(scriptfile, 'w') as script:
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script.write("#!/bin/sh\n")
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bb.data.emit_func("useradd_sysroot", script, d)
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script.write("useradd_sysroot\n")
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os.chmod(scriptfile, 0o755)
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}
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do_prepare_recipe_sysroot[postfuncs] += "${SYSROOTFUNC}"
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SYSROOTFUNC_class-target = "useradd_sysroot_sstate"
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SYSROOTFUNC = ""
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SYSROOT_PREPROCESS_FUNCS += "${SYSROOTFUNC}"
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SSTATEPREINSTFUNCS_append_class-target = " useradd_sysroot_sstate"
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do_package_setscene[depends] += "${USERADDSETSCENEDEPS}"
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do_populate_sysroot_setscene[depends] += "${USERADDSETSCENEDEPS}"
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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"
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USERADDSETSCENEDEPS = ""
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# Recipe parse-time sanity checks
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def update_useradd_after_parse(d):
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useradd_packages = d.getVar('USERADD_PACKAGES')
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if not useradd_packages:
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bb.fatal("%s inherits useradd but doesn't set USERADD_PACKAGES" % d.getVar('FILE', False))
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for pkg in useradd_packages.split():
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if not d.getVar('USERADD_PARAM_%s' % pkg) and not d.getVar('GROUPADD_PARAM_%s' % pkg) and not d.getVar('GROUPMEMS_PARAM_%s' % pkg):
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bb.fatal("%s inherits useradd but doesn't set USERADD_PARAM, GROUPADD_PARAM or GROUPMEMS_PARAM for package %s" % (d.getVar('FILE', False), pkg))
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python __anonymous() {
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if not bb.data.inherits_class('nativesdk', d) \
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and not bb.data.inherits_class('native', d):
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update_useradd_after_parse(d)
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}
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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') or ""
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for pkg in useradd_packages.split():
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param = d.getVar(param_type % pkg)
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if param:
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params.append(param.rstrip(" ;"))
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return "; ".join(params)
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# Adds the preinst script into generated packages
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fakeroot python populate_packages_prepend () {
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def update_useradd_package(pkg):
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bb.debug(1, 'adding user/group calls to preinst for %s' % pkg)
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"""
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useradd preinst is appended here because pkg_preinst may be
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required to execute on the target. Not doing so may cause
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useradd preinst to be invoked twice, causing unwanted warnings.
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"""
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preinst = d.getVar('pkg_preinst_%s' % pkg) or d.getVar('pkg_preinst')
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if not preinst:
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preinst = '#!/bin/sh\n'
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preinst += 'bbnote () {\n\techo "NOTE: $*"\n}\n'
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preinst += 'bbwarn () {\n\techo "WARNING: $*"\n}\n'
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preinst += 'bbfatal () {\n\techo "ERROR: $*"\n\texit 1\n}\n'
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preinst += 'perform_groupadd () {\n%s}\n' % d.getVar('perform_groupadd')
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preinst += 'perform_useradd () {\n%s}\n' % d.getVar('perform_useradd')
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preinst += 'perform_groupmems () {\n%s}\n' % d.getVar('perform_groupmems')
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preinst += d.getVar('useradd_preinst')
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d.setVar('pkg_preinst_%s' % pkg, preinst)
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# RDEPENDS setup
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rdepends = d.getVar("RDEPENDS_%s" % pkg) or ""
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rdepends += ' ' + d.getVar('MLPREFIX', False) + 'base-passwd'
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rdepends += ' ' + d.getVar('MLPREFIX', False) + 'shadow'
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# base-files is where the default /etc/skel is packaged
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rdepends += ' ' + d.getVar('MLPREFIX', False) + 'base-files'
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d.setVar("RDEPENDS_%s" % pkg, rdepends)
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# Add the user/group preinstall scripts and RDEPENDS requirements
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# to packages specified by USERADD_PACKAGES
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if not bb.data.inherits_class('nativesdk', d) \
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and not bb.data.inherits_class('native', d):
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useradd_packages = d.getVar('USERADD_PACKAGES') or ""
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for pkg in useradd_packages.split():
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update_useradd_package(pkg)
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}
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# Use the following to extend the useradd with custom functions
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USERADDEXTENSION ?= ""
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inherit ${USERADDEXTENSION}
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