- Create a system user, not a regular user

- Check if user/group already exists and are in system range
- Do not ignore return values from user/group creation

OBS-URL: https://build.opensuse.org/package/show/server:dns/nsd?expand=0&rev=36

nsd.changes

@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Feb 12 08:54:46 UTC 2018 - adam.majer@suse.de
+
+- Create a system user, not a regular user
+- Check if user/group already exists and are in system range
+- Do not ignore return values from user/group creation
+
 -------------------------------------------------------------------
 Mon Feb  5 10:26:02 UTC 2018 - adam.majer@suse.de
 

nsd.spec

@@ -54,10 +54,11 @@ BuildRequires:  pwdutils
 BuildRequires:  tcpd-devel
 Requires:       %fillup_prereq
 Requires:       pwdutils
+Requires(pre):  coreutils
 Requires(post): coreutils
 Requires(post): findutils
-Requires(post): shadow
 Requires(pre):  shadow
+Requires(post): shadow
 %if %{with systemd}
 BuildRequires:  systemd-devel
 %{?systemd_requires}
@@ -114,10 +115,13 @@ ln -s -f %{_sysconfdir}/init.d/%{name} %{buildroot}%{_sbindir}/rc%{name}
 
 %pre
 #
-# e.g. adding user
+# adding user and group, if it doesn't exist yet
 #
-%{_sbindir}/groupadd -r _nsd &>/dev/null ||:
-%{_sbindir}/useradd  -g _nsd -s /bin/false -r -c "user for %{name}" -d %{home} _nsd &>/dev/null ||:
+if ! ${_bindir}/id _nsd > /dev/null 2> /dev/null; then
+    echo "Creating _nsd:_nsd" && \
+    %{_sbindir}/groupadd -r _nsd && \
+    %{_sbindir}/useradd -r -g _nsd -s /bin/false -r -c "user for %{name}" -d %{home} _nsd
+fi
 %if %{with systemd}
 %service_add_pre %{name}.service
 %endif