#!/bin/sh
-# postinst script for spamassassin-cn
+# postinst script for kernel-2.6-cn
#
# see: dh_installdeb(1)
# import CN-functions
. /usr/share/carnet-tools/functions.sh
+# import GRUB helper functions
+. /usr/share/kernel-2.6-cn/grub-functions.sh
+
################################################################################
# starting up backup
# backup lilo.conf
if [ -e /etc/lilo.conf ]; then
- cp_backup_conffile /etc/lilo.conf
- echo -n " lilo.conf"
+ cp_backup_conffile /etc/lilo.conf
+ echo -n " lilo.conf"
fi
# backup old kernel params
if [ -e /etc/sysctl.conf ]; then
- cp_backup_conffile /etc/sysctl.conf
- echo -n " sysctl.conf"
+ cp_backup_conffile /etc/sysctl.conf
+ echo -n " sysctl.conf"
fi
# backup old kernel params
if [ -e /etc/kernel-img.conf ]; then
- cp_backup_conffile /etc/kernel-img.conf
- echo -n " kernel-img.conf"
+ cp_backup_conffile /etc/kernel-img.conf
+ echo -n " kernel-img.conf"
fi
# finished
################################################################################
+# remove obsolete symlinks and kernels
+rm -f /boot/vmlinuz /boot/vmlinuz.old /boot/vmlinuz.old2 \
+ /boot/vmlinuz.plain /vmlinuz /vmlinuz.old /boot/vmlinuz.plain \
+ /boot/vmlinuz.generic /boot/vmlinuz-generic /boot/vmlinuz-old
+echo "CN: Removed old symlinks in / and /boot."
+
+################################################################################
+
# intro msg
echo -n "CN: Configuring system (this will take a while):"
# update postinst_hook for grub
if grep -q postinst_hook /etc/kernel-img.conf; then
cp_check_and_sed '^postinst_hook' \
- 's;^postinst_hook[[:blank:]]*=.*;postinst_hook = /usr/sbin/update-grub;g' \
- /etc/kernel-img.conf || true
+ 's;^postinst_hook[[:blank:]]*=.*;postinst_hook = /usr/sbin/update-grub;g' \
+ /etc/kernel-img.conf || true
else
echo "postinst_hook = /usr/sbin/update-grub" >> /etc/kernel-img.conf
fi
# update postrm_hook for grub
if grep -q postrm_hook /etc/kernel-img.conf; then
cp_check_and_sed '^postrm_hook' \
- 's;^postrm_hook[[:blank:]]*=.*;postrm_hook = /usr/sbin/update-grub;g' \
- /etc/kernel-img.conf || true
+ 's;^postrm_hook[[:blank:]]*=.*;postrm_hook = /usr/sbin/update-grub;g' \
+ /etc/kernel-img.conf || true
else
echo "postrm_hook = /usr/sbin/update-grub" >> /etc/kernel-img.conf
fi
# enable initrd
if grep -q do_initrd /etc/kernel-img.conf; then
cp_check_and_sed '^do_initrd' \
- 's/^do_initrd[[:blank:]]*=.*/do_initrd = yes/g' \
- /etc/kernel-img.conf || true
+ 's/^do_initrd[[:blank:]]*=.*/do_initrd = yes/g' \
+ /etc/kernel-img.conf || true
else
echo "do_initrd = yes" >> /etc/kernel-img.conf
fi
echo -n " kernel-img.conf"
# generate initial grub loaders
-if [ ! -d /boot/grub ]; then
- mkdir -p /boot/grub
+if [ ! -d "$grub_dir" ]; then
+ mkdir -p "$grub_dir"
if [ -d /usr/lib/grub/i386-pc ]; then
- cp -a /usr/lib/grub/i386-pc/* /boot/grub
+ cp -a /usr/lib/grub/i386-pc/* "$grub_dir"
fi
fi
+echo -n " grub1"
# create/update grub configuration
-if [ -e /boot/grub/menu.lst ]; then
+if [ -e "$menu_file" ]; then
# is there uncompatibile grub conf present?
- if ! grep -q 'AUTOMAGIC KERNELS LIST' /boot/grub/menu.lst; then
- mv -f /boot/grub/menu.lst /boot/grub/menu.lst.old
+ if ! grep -q 'AUTOMAGIC KERNELS LIST' "$menu_file"; then
+ mv -f "$menu_file" "$menu_file.old"
fi
fi
-if [ ! -e /boot/grub/menu.lst ]; then
+if [ ! -e "$menu_file" ]; then
yes | /usr/sbin/update-grub >/dev/null 2>&1 || true
else
/usr/sbin/update-grub >/dev/null 2>&1 || true
fi
+echo -n " grub2"
+
+# workaround grsec
+if [ -x /sbin/chpax ]; then
+ if [ -x /usr/sbin/grub ]; then
+ chpax -spmrx /usr/sbin/grub || true
+ fi
+ if [ -x /usr/sbin/grub-probe ]; then
+ chpax -spmrx /usr/sbin/grub-probe || true
+ fi
+fi
+echo -n " grub3"
-# install grub loader
+# workaround execshield
SHIELD=$(sysctl -e -n kernel.exec-shield)
if [ ! -z "$SHIELD" ]; then
- sysctl -w -e kernel.exec-shield=0 >/dev/null 2>&1
+ sysctl -e -w kernel.exec-shield=0 >/dev/null 2>&1
+ echo -n " execshield1"
+fi
+
+# remove obsolete devfs/compat links and restore normal udev behaviour
+rm -f /etc/udev/rules.d/devfs.rules /etc/udev/rules.d/compat.rules \
+ /etc/udev/rules.d/compat-full.rules
+if [ ! -e /etc/udev/rules.d/udev.rules ]; then
+ ln -s ../udev.rules /etc/udev/rules.d/udev.rules
+fi
+udevcontrol reload_rules >/dev/null 2>&1 || true
+udevsettle || true
+echo -n " udev"
+
+# update device map if possible
+if [ -f "$device_map" ]; then
+ mv -f "$device_map" "$device_map.old"
+fi
+grub --batch --no-floppy --device-map="$device_map" <<EOF >/dev/null 2>&1
+quit
+EOF
+if [ ! -s "$device_map" ]; then
+ if [ -f "$device_map.old" ]; then
+ mv -f "$device_map.old" "$device_map"
+ fi
+
+:q!else
+ rm -f "$device_map.old"
+fi
+echo -n " grub4"
+
+# get install device (0x80 BIOS device)
+install_device=$(grep '^(hd0)' "$device_map" | \
+ sed -e 's%[^[:space:]]*[[:space:]]*\([^[:space:]]*\)%\1%')
+if [ -z "$install_device" ]; then
+ echo "."
+ echo "CN: FATAL ERROR while detecting boot disk!"
+ echo "CN: Do not reboot your server and report this to OTRS immediately!"
+ exit 1
+fi
+
+# oops, install device is a symlink...
+if [ -h "$install_device" ]; then
+ install_device_resolved=$(resolve_symlink "$install_device")
+ if [ -z "$install_device_resolved" ]; then
+ install_device_resolved="$install_device"
+ fi
+
+ # try to fix device map with symlink resolved device
+ if [ "x$install_device_resolved" != "x$install_device" ]; then
+ cp_check_and_sed '^\(hd0\)' \
+ "s;^(hd0).*;(hd0) $install_device_resolved;" "$device_map" \
+ || true
+ fi
fi
-if ! grub-install --no-floppy '(hd0)' >/dev/null 2>&1; then
+echo -n " grub5"
+
+# install GRUB loader
+if ! grub-install --no-floppy "$install_device" >/dev/null 2>&1; then
echo "."
- echo "CN: FATAL ERROR running grub-install!"
+ echo "CN: FATAL ERROR while running grub-install!"
echo "CN: Do not reboot your server and report this to OTRS immediately!"
exit 1
fi
+echo -n " grub6"
+
+# fix possible wrong params in menu.lst
+root_device=/dev/sda6
+grub_root_device=$(convert_default "$root_device")
+cp_check_and_sed '^# groot=' \
+ "s;^# groot=.*;# groot=$grub_root_device;g" \
+ "$menu_file" || true
+cp_check_and_sed '^# kopt=' \
+ "s;^# kopt=\(.*\)root=[^[:space:]]*\(.*\);# kopt=\1root=$root_device\2;g" \
+ "$menu_file" || true
+/usr/sbin/update-grub >/dev/null 2>&1 || true
+echo -n " grub7"
+
+# and final stage of devfs/udev brokeness fix
+if [ "x$install_device_resolved" != "x$install_device" ]; then
+ # get original (symlinked device)
+ root_device=$(find_device_nonresolved "/")
+ if [ -z "$root_device" ]; then
+ root_device=$(find_root_device)
+ fi
+
+ # fix (hd0) mapping
+ cp_check_and_sed '^\(hd0\)' \
+ "s;^(hd0).*;(hd0) $install_device;" "$device_map" \
+ || true
+
+ # fix global root= invocation
+ cp_check_and_sed '^# kopt=' \
+ "s;^# kopt=\(.*\)root=[^[:space:]]*\(.*\);# kopt=\1root=$root_device\2;g" \
+ "$menu_file" || true
+
+ # fix root= invocation for individual kernel profiles
+ cp_check_and_sed '^kernel' \
+ "s;\(^kernel.*\)root=[^[:space:]]*\(.*\);\1root=$root_device\2;g" \
+ "$menu_file" || true
+fi
+echo -n " grub8"
+
+# restore execshield state
if [ ! -z "$SHIELD" ]; then
- sysctl -w -e "kernel.exec-shield=$SHIELD" >/dev/null 2>&1
+ sysctl -e -w "kernel.exec-shield=$SHIELD" >/dev/null 2>&1
+ echo -n " execshield2"
fi
# disable lilo
if [ -e /etc/lilo.conf ]; then
mv -f /etc/lilo.conf /etc/lilo.conf.old
+ echo -n " lilo"
fi
-echo -n " lilo"
# mdadm
if [ -x /usr/share/mdadm/mkconf ]; then
echo -n " mdadm"
fi
-# update initramfs accordingly
+# update initramfs accordingly (because of mdadm and udev)
update-initramfs -u -k all >/dev/null 2>&1 || true
echo -n " initramfs"
# remove group 99
if getent group proc >/dev/null 2>&1; then
groupdel proc >/dev/null 2>&1
+ echo -n " proc"
fi
-echo -n " proc"
# remove oidentd from oident group
if getent group oident >/dev/null 2>&1; then
# old kernel params
if [ -e /etc/sysctl.conf ]; then
- #cat /etc/sysctl.conf >> /etc/sysctl.conf.$$
- #ignore some of 2.4 stuff
- egrep -v 'net\.core\.(r|w)mem_max|net\.ipv4\.tcp_(r|w)mem|vm\.bdflush|net\.ipv4\.ip_local_port_range|kernel\.rtsig-max|net\.ipv4\.tcp_syncookies' \
- /etc/sysctl.conf >> /etc/sysctl.conf.$$
+ egrep -v 'net\.core\.(r|w)mem_max|net\.ipv4\.tcp_(r|w)mem|vm\.bdflush|net\.ipv4\.ip_local_port_range|kernel\.rtsig-max|net\.ipv4\.tcp_syncookies' \
+ /etc/sysctl.conf >> /etc/sysctl.conf.$$
fi
# add sysctl.conf Debian headers
# update pam_limits accordingly
if [ -e /etc/security/limits.conf ]; then
- rm -f /etc/security/limits.conf.$$
- cp /etc/security/limits.conf /etc/security/limits.conf.$$
- cp-update kernel-2.6-cn /etc/security/limits.conf.$$ <<EOF
+ rm -f /etc/security/limits.conf.$$
+ cp /etc/security/limits.conf /etc/security/limits.conf.$$
+ cp-update kernel-2.6-cn /etc/security/limits.conf.$$ <<EOF
* soft core 0
* hard nofile 4096
* soft nofile 4096
EOF
- cp_mv /etc/security/limits.conf.$$ /etc/security/limits.conf
- echo -n " limits"
+ cp_mv /etc/security/limits.conf.$$ /etc/security/limits.conf
+ echo -n " limits"
fi
# check pam.d/login
if [ -e /etc/pam.d/login ]; then
- cp_check_and_sed '^#.*session.+required.+pam_limits.so' \
- 's/^#.*session.+required.+pam_limits.so/session required pam_limits.so/' \
- /etc/pam.d/login || true
- echo -n " login"
+ cp_check_and_sed '^#.*session.+required.+pam_limits.so' \
+ 's/^#.*session.+required.+pam_limits.so/session required pam_limits.so/' \
+ /etc/pam.d/login || true
+ echo -n " login"
fi
# check pam.d/ssh
if [ -e /etc/pam.d/ssh ]; then
- cp_check_and_sed '^#.*session.+required.+pam_limits.so' \
- 's/^#.*session.+required.+pam_limits.so/session required pam_limits.so/' \
- /etc/pam.d/ssh || true
- echo -n " ssh"
+ cp_check_and_sed '^#.*session.+required.+pam_limits.so' \
+ 's/^#.*session.+required.+pam_limits.so/session required pam_limits.so/' \
+ /etc/pam.d/ssh || true
+ echo -n " ssh"
fi
# finished with PAM
################################################################################
-# remove obsolete links
-rm -f /boot/vmlinuz /boot/vmlinuz.old /boot/vmlinuz.old2 \
- /boot/vmlinuz.plain /vmlinuz /vmlinuz.old /boot/vmlinuz.plain
-echo "CN: Removed old symlinks in / and /boot."
-
-################################################################################
-
# fix old kernel-2.4-cn postrm
if [ -e /var/lib/dpkg/info/kernel-2.4-cn.postrm ]; then
echo "CN: Fixed old kernel-2.4-cn postrm."