diff options
Diffstat (limited to 'poky/meta/classes/useradd_base.bbclass')
| -rw-r--r-- | poky/meta/classes/useradd_base.bbclass | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/poky/meta/classes/useradd_base.bbclass b/poky/meta/classes/useradd_base.bbclass new file mode 100644 index 000000000..551c82c32 --- /dev/null +++ b/poky/meta/classes/useradd_base.bbclass @@ -0,0 +1,147 @@ +# This bbclass provides basic functionality for user/group settings. +# This bbclass is intended to be inherited by useradd.bbclass and +# extrausers.bbclass. + +# The following functions basically have similar logic. +# *) Perform necessary checks before invoking the actual command +# *) Invoke the actual command with flock +# *) Error out if an error occurs. + +# Note that before invoking these functions, make sure the global variable +# PSEUDO is set up correctly. + +perform_groupadd () { + local rootdir="$1" + local opts="$2" + bbnote "${PN}: Performing groupadd with [$opts]" + local groupname=`echo "$opts" | awk '{ print $NF }'` + local group_exists="`grep "^$groupname:" $rootdir/etc/group || true`" + if test "x$group_exists" = "x"; then + eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO groupadd \$opts\" || true + group_exists="`grep "^$groupname:" $rootdir/etc/group || true`" + if test "x$group_exists" = "x"; then + bbfatal "${PN}: groupadd command did not succeed." + fi + else + bbnote "${PN}: group $groupname already exists, not re-creating it" + fi +} + +perform_useradd () { + local rootdir="$1" + local opts="$2" + bbnote "${PN}: Performing useradd with [$opts]" + local username=`echo "$opts" | awk '{ print $NF }'` + local user_exists="`grep "^$username:" $rootdir/etc/passwd || true`" + if test "x$user_exists" = "x"; then + eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO useradd \$opts\" || true + user_exists="`grep "^$username:" $rootdir/etc/passwd || true`" + if test "x$user_exists" = "x"; then + bbfatal "${PN}: useradd command did not succeed." + fi + else + bbnote "${PN}: user $username already exists, not re-creating it" + fi +} + +perform_groupmems () { + local rootdir="$1" + local opts="$2" + bbnote "${PN}: Performing groupmems with [$opts]" + local groupname=`echo "$opts" | awk '{ for (i = 1; i < NF; i++) if ($i == "-g" || $i == "--group") print $(i+1) }'` + local username=`echo "$opts" | awk '{ for (i = 1; i < NF; i++) if ($i == "-a" || $i == "--add") print $(i+1) }'` + bbnote "${PN}: Running groupmems command with group $groupname and user $username" + local mem_exists="`grep "^$groupname:[^:]*:[^:]*:\([^,]*,\)*$username\(,[^,]*\)*" $rootdir/etc/group || true`" + if test "x$mem_exists" = "x"; then + eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO groupmems \$opts\" || true + mem_exists="`grep "^$groupname:[^:]*:[^:]*:\([^,]*,\)*$username\(,[^,]*\)*" $rootdir/etc/group || true`" + if test "x$mem_exists" = "x"; then + bbfatal "${PN}: groupmems command did not succeed." + fi + else + bbnote "${PN}: group $groupname already contains $username, not re-adding it" + fi +} + +perform_groupdel () { + local rootdir="$1" + local opts="$2" + bbnote "${PN}: Performing groupdel with [$opts]" + local groupname=`echo "$opts" | awk '{ print $NF }'` + local group_exists="`grep "^$groupname:" $rootdir/etc/group || true`" + + if test "x$group_exists" != "x"; then + local awk_input='BEGIN {FS=":"}; $1=="'$groupname'" { print $3 }' + local groupid=`echo "$awk_input" | awk -f- $rootdir/etc/group` + local awk_check_users='BEGIN {FS=":"}; $4=="'$groupid'" {print $1}' + local other_users=`echo "$awk_check_users" | awk -f- $rootdir/etc/passwd` + + if test "x$other_users" = "x"; then + eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO groupdel \$opts\" || true + group_exists="`grep "^$groupname:" $rootdir/etc/group || true`" + if test "x$group_exists" != "x"; then + bbfatal "${PN}: groupdel command did not succeed." + fi + else + bbnote "${PN}: '$groupname' is primary group for users '$other_users', not removing it" + fi + else + bbnote "${PN}: group $groupname doesn't exist, not removing it" + fi +} + +perform_userdel () { + local rootdir="$1" + local opts="$2" + bbnote "${PN}: Performing userdel with [$opts]" + local username=`echo "$opts" | awk '{ print $NF }'` + local user_exists="`grep "^$username:" $rootdir/etc/passwd || true`" + if test "x$user_exists" != "x"; then + eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO userdel \$opts\" || true + user_exists="`grep "^$username:" $rootdir/etc/passwd || true`" + if test "x$user_exists" != "x"; then + bbfatal "${PN}: userdel command did not succeed." + fi + else + bbnote "${PN}: user $username doesn't exist, not removing it" + fi +} + +perform_groupmod () { + # Other than the return value of groupmod, there's no simple way to judge whether the command + # succeeds, so we disable -e option temporarily + set +e + local rootdir="$1" + local opts="$2" + bbnote "${PN}: Performing groupmod with [$opts]" + local groupname=`echo "$opts" | awk '{ print $NF }'` + local group_exists="`grep "^$groupname:" $rootdir/etc/group || true`" + if test "x$group_exists" != "x"; then + eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO groupmod \$opts\" + if test $? != 0; then + bbwarn "${PN}: groupmod command did not succeed." + fi + else + bbwarn "${PN}: group $groupname doesn't exist, unable to modify it" + fi + set -e +} + +perform_usermod () { + # Same reason with groupmod, temporarily disable -e option + set +e + local rootdir="$1" + local opts="$2" + bbnote "${PN}: Performing usermod with [$opts]" + local username=`echo "$opts" | awk '{ print $NF }'` + local user_exists="`grep "^$username:" $rootdir/etc/passwd || true`" + if test "x$user_exists" != "x"; then + eval flock -x $rootdir${sysconfdir} -c \"$PSEUDO usermod \$opts\" + if test $? != 0; then + bbfatal "${PN}: usermod command did not succeed." + fi + else + bbwarn "${PN}: user $username doesn't exist, unable to modify it" + fi + set -e +} |