Ship helper script for dhclient

nis.sh

@@ -0,0 +1,97 @@
+#!/bin/bash
+#
+# nis.sh: dhclient-script plugin for NIS settings,
+#         place in /etc/dhcp/dhclient.d and 'chmod +x nis.sh' to enable
+#
+# Copyright (C) 2008 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Author(s): David Cantrell <dcantrell@redhat.com>
+#
+
+CONF=/etc/yp.conf
+
+save_config_file() {
+    origfile="${1}"
+    savefile="${SAVEDIR}/${origfile##*/}.predhclient.${interface}"
+
+    if [ ! -d ${SAVEDIR} ]; then
+        mkdir -p ${SAVEDIR}
+    fi
+
+    if [ -e ${origfile} ]; then
+        mv ${origfile} ${savefile}
+    else
+        echo > ${savefile}
+    fi
+
+    restorecon ${savefile} >/dev/null 2>&1
+}
+
+nis_config() {
+    if [ ! "${PEERNIS}" = "no" ]; then
+        if [ -n "${new_nis_domain}" ]; then
+            domainname "${new_nis_domain}"
+            save_config_file ${CONF}
+            let contents=0
+            echo '# generated by /sbin/dhclient-script' > ${CONF}
+
+            if [ -n "${new_nis_servers}" ]; then
+                for i in ${new_nis_servers} ; do
+                    echo "domain ${new_nis_domain} server ${i}" >> ${CONF}
+                    let contents=contents+1
+                done
+            else
+                echo "domain ${new_nis_domain} broadcast" >> ${CONF}
+                let contents=contents+1
+            fi
+
+            if [ ${contents} -gt 0 ]; then
+                if [ -x /etc/rc.d/init.d/ypbind ] &&
+                   [ -r /var/run/ypbind.pid ]; then
+                    service ypbind restart >/dev/null 2>&1
+                fi
+            fi
+        elif [ -n "${new_nis_servers}" ]; then
+            save_config_file ${CONF}
+            echo '# generated by /sbin/dhclient-script' > ${CONF}
+            let contents=0
+
+            for i in ${new_nis_servers} ; do
+                echo "ypserver ${i}" >> ${CONF}
+                let contents=contents+1
+            done
+
+            if [ $contents -gt 0 ]; then
+                if [ -x /etc/rc.d/init.d/ypbind ] &&
+                   [ -r /var/run/ypbind.pid ]; then
+                    service ypbind restart >/dev/null 2>&1
+                fi
+            fi
+        fi
+    fi
+}
+
+nis_restore() {
+    if [ ! "${PEERNIS}" = "no" ]; then
+        if [ -f ${SAVEDIR}/${CONF}.predhclient.${interface} ]; then
+            rm -f ${CONF}
+            mv -f ${SAVEDIR}/${CONF}.predhclient.${interface} ${CONF}
+            if [ -x /etc/rc.d/init.d/ypbind ] && [ -r /var/run/ypbind.pid ]; then
+                service ypbind restart >/dev/null 2>&1
+            fi
+        fi
+    fi
+}

ypbind.spec

@@ -1,12 +1,13 @@
 Summary: The NIS daemon which binds NIS clients to an NIS domain
 Name: ypbind
 Version: 1.20.4
-Release: 11%{?dist}
+Release: 12%{?dist}
 License: GPLv2
 Group: System Environment/Daemons
 Source0: ftp://ftp.us.kernel.org/pub/linux/utils/net/NIS/ypbind-mt-%{version}.tar.bz2
 Url: http://www.linux-nis.org/nis/ypbind-mt/index.html
 Source1: ypbind.init
+Source2: nis.sh
 Patch1: ypbind-1.11-broadcast.patch
 Patch2: ypbind-1.11-gettextdomain.patch
 Patch3: ypbind-mt-1.19-port-leak.patch
@@ -59,9 +60,10 @@ make
 rm -rf $RPM_BUILD_ROOT
 make install DESTDIR=$RPM_BUILD_ROOT
 
-mkdir -p $RPM_BUILD_ROOT/%{_initrddir} $RPM_BUILD_ROOT/var/yp/binding
+mkdir -p $RPM_BUILD_ROOT/%{_initrddir} $RPM_BUILD_ROOT/var/yp/binding $RPM_BUILD_ROOT/etc/dhcp/dhclient.d/
 install -m 644 etc/yp.conf $RPM_BUILD_ROOT/etc/yp.conf
 install -m 755 %{SOURCE1} $RPM_BUILD_ROOT/%{_initrddir}/ypbind
+install -m 755 %{SOURCE2} $RPM_BUILD_ROOT/etc/dhcp/dhclient.d/nis.sh
 
 %{find_lang} %{name}
 
@@ -87,11 +89,15 @@ fi
 /sbin/ypbind
 %{_mandir}/*/*
 %{_initrddir}/*
+/etc/dhcp/dhclient.d/*
 %config(noreplace) /etc/yp.conf
 %dir /var/yp/binding
 %doc README NEWS
 
 %changelog
+* Mon Jan  5 2009 Vitezslav Crhonek <vcrhonek@redhat.com> - 3:1.20.4-12
+- Ship helper script for dhclient
+
 * Wed Dec  3 2008 Vitezslav Crhonek <vcrhonek@redhat.com> - 3:1.20.4-11
 - Fix verbose option man page entry
 - Add description of port option to man page