- Save conf files adding '.predhclient.$interface' to the name (#306381)

- Only restore conf files on EXPIRE/FAIL/RELEASE/STOP if there are no other
    dhclient processes running (#306381)
This commit is contained in:
David Cantrell 2008-02-08 02:15:14 +00:00
parent f586ac836e
commit 3aac9e5df0
2 changed files with 38 additions and 28 deletions

View File

@ -4,7 +4,7 @@
Summary: DHCP (Dynamic Host Configuration Protocol) server and relay agent
Name: dhcp
Version: 4.0.0
Release: 9%{?dist}
Release: 10%{?dist}
# NEVER CHANGE THE EPOCH on this package. The previous maintainer (prior to
# dcantrell maintaining the package) made incorrect use of the epoch and
# that's why it is at 12 now. It should have never been used, but it was.
@ -401,6 +401,11 @@ fi
%{_libdir}/libdhcp4client.so
%changelog
* Thu Feb 07 2008 David Cantrell <dcantrell@redhat.com> - 12:4.0.0-10
- Save conf files adding '.predhclient.$interface' to the name (#306381)
- Only restore conf files on EXPIRE/FAIL/RELEASE/STOP if there are no other
dhclient processes running (#306381)
* Wed Feb 06 2008 David Cantrell <dcantrell@redhat.com> - 12:4.0.0-9
- Match LDAP server option values in stables.c and dhcpd.h (#431003)
- Fix invalid sprintf() statement in server/ldap.c (#431003)

35
linux
View File

@ -25,9 +25,9 @@ PATH=/bin:/usr/bin
function save_previous() {
if [ -e $1 ]; then
mv $1 $1.predhclient
mv $1 $1.predhclient.$interface
else
echo ''> $1.predhclient
echo ''> $1.predhclient.$interface
fi
}
@ -43,7 +43,7 @@ make_resolv_conf() {
fi
if [ -n "$new_domain_name" ] || [ -n "$new_domain_name_servers" ]; then
cp -fp /etc/resolv.conf /etc/resolv.conf.predhclient
cp -fp /etc/resolv.conf /etc/resolv.conf.predhclient.$interface
rscf=`mktemp /tmp/XXXXXX`;
echo '; generated by /sbin/dhclient-script' > $rscf
@ -385,7 +385,7 @@ function dhconfig() {
tzfile=/usr/share/zoneinfo/Etc/GMT$(printf '%+d' $hoursWest)
if [ -e $tzfile ]; then
/bin/mv -f /etc/localtime /etc/localtime.predhclient
/bin/mv -f /etc/localtime /etc/localtime.predhclient.$interface
/bin/cp -fp $tzfile /etc/localtime
/bin/touch /etc/localtime
fi
@ -396,13 +396,13 @@ function dhconfig() {
:
elif [ -n "$new_ntp_servers" ] && [ -e /etc/ntp.conf ]; then
save_previous /etc/ntp.conf
/bin/egrep -v '^server .* # added by /sbin/dhclient-script$'< /etc/ntp.conf.predhclient > /etc/ntp.conf
/bin/egrep -v '^server .* # added by /sbin/dhclient-script$'< /etc/ntp.conf.predhclient.$interface > /etc/ntp.conf
for s in $new_ntp_servers; do
echo "server $s # added by /sbin/dhclient-script" >> /etc/ntp.conf
done
if [ -x /usr/bin/diff ] && /usr/bin/diff -q /etc/ntp.conf /etc/ntp.conf.predhclient >/dev/null 2>&1; then
if [ -x /usr/bin/diff ] && /usr/bin/diff -q /etc/ntp.conf /etc/ntp.conf.predhclient.$interface >/dev/null 2>&1; then
:
else
/sbin/service ntpd condrestart >/dev/null 2>&1
@ -480,33 +480,38 @@ fi
if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ] || [ x$reason = xRELEASE ] \
|| [ x$reason = xSTOP ]; then
if [ -f /etc/resolv.conf.predhclient ]; then
change_resolv_conf /etc/resolv.conf.predhclient
rm -f /etc/resolv.conf.predhclient
# only restore config files if there are no other dhclient processes
# running (#306381)
any_other_clients="$(/bin/ps -eo pid,ppid,comm | /bin/grep dhclient | /bin/grep -v $PPID)"
if [ -n "$any_other_clients" ]; then
if [ -f /etc/resolv.conf.predhclient.$interface ]; then
change_resolv_conf /etc/resolv.conf.predhclient.$interface
rm -f /etc/resolv.conf.predhclient.$interface
fi
if [ -n "$DHCP_TIME_OFFSET_SETS_TIMEZONE" ] && [[ "$DHCP_TIME_OFFSET_SETS_TIMEZONE" = [yY1]* ]]; then
if [ -e /etc/localtime.predhclient ]; then
if [ -e /etc/localtime.predhclient.$interface ]; then
/bin/rm -f /etc/localtime
/bin/mv -f /etc/localtime.predhclient /etc/localtime
/bin/mv -f /etc/localtime.predhclient.$interface /etc/localtime
/bin/touch /etc/localtime
fi
fi
if [ -f /etc/ntp.conf.predhclient ]; then
if [ -f /etc/ntp.conf.predhclient.$interface ]; then
/bin/rm -f /etc/ntp.conf
/bin/mv -f /etc/ntp.conf.predhclient /etc/ntp.conf
/bin/mv -f /etc/ntp.conf.predhclient.$interface /etc/ntp.conf
service ntpd condrestart >/dev/null 2>&1
fi
if [ -f /etc/yp.conf.predhclient ]; then
if [ -f /etc/yp.conf.predhclient.$interface ]; then
/bin/rm -f /etc/yp.conf
/bin/mv -f /etc/yp.conf.predhclient /etc/yp.conf
/bin/mv -f /etc/yp.conf.predhclient.$interface /etc/yp.conf
if [ -r /var/run/ypbind.pid ] && yppid=$(cat /var/run/ypbind.pid) && [ -d /proc/${yppid} ] && [ "$(if [ -x /usr/bin/readlink ]; then readlink /proc/${yppid}/exe; else echo /sbin/ypbind; fi)" = "/sbin/ypbind" ]; then
kill -HUP $yppid
fi
fi
fi
if [ -x /etc/dhclient-${interface}-down-hooks ]; then
. /etc/dhclient-${interface}-down-hooks