X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?a=blobdiff_plain;f=debian%2Fpostinst;h=291078f61d0a10f291d244e9d0c4a023bba5ea20;hb=b9eef33cb7294d6fb1ea859e4ff2f669ecac94e7;hp=9fcb5487eca6854ae39ca031af14807034260bae;hpb=a57315045176d50b56a1e3452e19a67682d3bd1a;p=kernel-cn.git

diff --git a/debian/postinst b/debian/postinst
index 9fcb548..291078f 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -107,22 +107,26 @@ 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"
+    # x86
     if [ -d /usr/lib/grub/i386-pc ]; then
-        cp -a /usr/lib/grub/i386-pc/* /boot/grub
+        cp -a /usr/lib/grub/i386-pc/* "$grub_dir"
+    # x86_64
+    elif [ -d /usr/lib/grub/x86_64-pc ]; then
+        cp -a /usr/lib/grub/x86_64-pc/* "$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
@@ -130,51 +134,58 @@ fi
 echo -n " grub2"
 
 # workaround grsec
-if [ -x /sbin/chpax ]; then
-    if [ -x /usr/sbin/grub ]; then
-        chpax -spmrx /usr/sbin/grub || true
+if uname -a | grep -q grsec; then
+    if [ -x /sbin/chpax ]; then
+        # grub
+        if [ -x /usr/sbin/grub.real ]; then
+            chpax -spmrx /usr/sbin/grub.real >/dev/null 2>&1 || true
+        elif [ -x /usr/sbin/grub ]; then
+            chpax -spmrx /usr/sbin/grub >/dev/null 2>&1 || true
+        fi
+
+        # grub-probe
+        if [ -x /usr/sbin/grub-probe.real ]; then
+            chpax -spmrx /usr/sbin/grub-probe.real >/dev/null 2>&1 || true
+        elif [ -x /usr/sbin/grub-probe ]; then
+            chpax -spmrx /usr/sbin/grub-probe >/dev/null 2>&1 || true
+        fi
+
+        echo -n " grsec"
     fi
-    if [ -x /usr/sbin/grub-probe ]; then
-        chpax -spmrx /usr/sbin/grub-probe || true
-    fi
-fi
-echo -n " grub3"
-
-# workaround execshield
-SHIELD=$(sysctl -e -n kernel.exec-shield)
-if [ ! -z "$SHIELD" ]; then
-    sysctl -w -e 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
+#if [ ! -e /etc/udev/rules.d/udev.rules ]; then
+#    ln -s ../udev.rules /etc/udev/rules.d/udev.rules
+#fi
+udevadm control --reload_rules >/dev/null 2>&1 || true
+udevsettle || true
 echo -n " udev"
 
 # update device map if possible
-device_map=/boot/grub/device.map
-if [ -f $device_map ]; then
-    mv -f $device_map $device_map.old
+if [ -f "$device_map" ]; then
+    mv -f "$device_map" "$device_map.old"
 fi
-grub --batch --no-floppy --device-map=$device_map <<EOF >/dev/null 2>&1
+grub --batch --no-floppy --device-map="$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 $device_map
+if [ ! -s "$device_map" ]; then
+    if [ -f "$device_map.old" ]; then
+        mv -f "$device_map.old" "$device_map"
     fi
+
 else
-    rm -f $device_map.old
+    rm -f "$device_map.old"
 fi
-echo -n " grub4"
+echo -n " grub3"
 
-# install GRUB loader
-install_device=$(grep '^(hd0)' $device_map | \
+# import GRUB helper functions (again, updated device map)
+. /usr/share/kernel-2.6-cn/grub-functions.sh
+
+# get install device (0x80 BIOS device)
+install_device=$(grep '^(hd0)' "$device_map" | \
     sed -e 's%[^[:space:]]*[[:space:]]*\([^[:space:]]*\)%\1%')
 if [ -z "$install_device" ]; then
     echo "."
@@ -182,6 +193,24 @@ if [ -z "$install_device" ]; then
     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
+echo -n " grub4"
+
+# install GRUB loader
 if ! grub-install --no-floppy "$install_device" >/dev/null 2>&1; then
     echo "."
     echo "CN: FATAL ERROR while running grub-install!"
@@ -193,18 +222,37 @@ echo -n " grub5"
 # fix possible wrong params in menu.lst
 cp_check_and_sed '^# groot=' \
   "s;^# groot=.*;# groot=$grub_root_device;g" \
-      /boot/grub/menu.lst || true
+      "$menu_file" || true
 cp_check_and_sed '^# kopt=' \
   "s;^# kopt=\(.*\)root=[^[:space:]]*\(.*\);# kopt=\1root=$root_device\2;g" \
-      /boot/grub/menu.lst || true
+      "$menu_file" || true
 /usr/sbin/update-grub >/dev/null 2>&1 || true
 echo -n " grub6"
 
-# restore execshield state
-if [ ! -z "$SHIELD" ]; then
-    sysctl -w -e "kernel.exec-shield=$SHIELD" >/dev/null 2>&1
-    echo -n " execshield2"
+# 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 " grub7"
 
 # disable lilo
 if [ -e /etc/lilo.conf ]; then
@@ -227,7 +275,7 @@ 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"
 
@@ -262,9 +310,9 @@ fi
 
 # default kernel parameters
 rm -f /etc/sysctl.conf.$$
-cat > /etc/sysctl.conf.$$ <<EOF
-kernel.exec-shield=3
+cat > /etc/sysctl.conf.$$ <<'EOF'
 kernel.maps_protect=1
+kernel.exec-shield=0
 net.core.rmem_default=1048576
 net.core.wmem_default=1048576
 net.ipv4.conf.all.accept_redirects=0
@@ -277,24 +325,23 @@ net.ipv4.icmp_echo_ignore_broadcasts=1
 net.ipv4.icmp_ignore_bogus_error_responses=1
 net.ipv4.ip_forward=0
 net.ipv4.ip_local_port_range=10000 65000
-net.ipv4.tcp_congestion_control=cubic
 net.ipv4.tcp_ecn=0
-net.ipv4.tcp_max_syn_backlog=8192
+net.ipv4.tcp_max_syn_backlog=1024
 net.ipv4.tcp_retries1=2
 net.ipv4.tcp_rfc1337=1
 net.ipv4.tcp_syncookies=1
 vm.mmap_min_addr=65536
 EOF
 
-# old kernel params
+# old kernel params (skipping some of the obsolete or overrided entries)
 if [ -e /etc/sysctl.conf ]; then
-    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' \
+    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|kernel\.exec-shield|net\.ipv4\.tcp_max_syn_backlog|net\.ipv4\.tcp_congestion_control|kernel\.exec-shield' \
         /etc/sysctl.conf >> /etc/sysctl.conf.$$
 fi
 
 # add sysctl.conf Debian headers
 rm -f /etc/sysctl.conf-head
-cat > /etc/sysctl.conf-head <<EOF
+cat > /etc/sysctl.conf-head <<'EOF'
 #
 # /etc/sysctl.conf - Configuration file for setting system variables
 # See sysctl.conf (5) for information.
@@ -341,7 +388,7 @@ echo -n "CN: Setting up PAM configurations:"
 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.$$ <<EOF
+    cp-update kernel-2.6-cn /etc/security/limits.conf.$$ <<'EOF'
 *               soft    core            0
 *		hard	nofile		4096
 *		soft	nofile		4096
@@ -374,7 +421,7 @@ echo "."
 # 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."
-    cat > /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$ <<EOF
+    cat > /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$ <<'EOF'
 #!/bin/sh
 
 set -e
@@ -407,7 +454,7 @@ fi
 # fix old kernel-cn postrm
 if [ -e /var/lib/dpkg/info/kernel-cn.postrm ]; then
     echo "CN: Fixed old kernel-cn postrm."
-    cat > /var/lib/dpkg/info/kernel-cn.postrm.$$ <<EOF
+    cat > /var/lib/dpkg/info/kernel-cn.postrm.$$ <<'EOF'
 #!/bin/sh
 
 set -e