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useradd_base: keep group if it still has users

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perform_groupdel() tries to delete a group irrespective if other
users have it as their primary group, thus the call to groupdel will
fail with the following error error:

groupdel: cannot remove the primary group of user '<user>'

Add a check to perform_groupdel() to determine if there are other
users and keep the group, printing a warning. This is called right
after a user is deleted to delete it's group. If the last user is
deleted, only then the group is also deleted.

(From OE-Core rev: bba1f02cb6d80279c6fed34bb18f010aa921fc1e)

Signed-off-by: Ioan-Adrian Ratiu <adrian.ratiu@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ioan-Adrian Ratiu
2017-01-23 20:09:23 +02:00
committed by Richard Purdie
parent 95cdd91a80
commit 6805ae0f2a
1 changed files with 14 additions and 4 deletions
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meta/classes/useradd_base.bbclass
+14 -4
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@@ -69,11 +69,21 @@ perform_groupdel () {
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
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."
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"