* #10198: ExecShield wrapperi za grub, grub-probe

[kernel-cn.git] / debian / postinst

diff --git a/debian/postinst b/debian/postinst
index 2167bed..291078f 100755 (executable)
--- a/debian/postinst
+++ b/debian/postinst
@@ -168,7 +168,7 @@ echo -n " udev"
 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
@@ -310,8 +310,9 @@ fi
 
 # default kernel parameters
 rm -f /etc/sysctl.conf.$$
-cat > /etc/sysctl.conf.$$ <<EOF
+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
@@ -324,24 +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|kernel\.exec-shield' \
+    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.
@@ -388,7 +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
@@ -421,7 +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
@@ -454,7 +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