X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?a=blobdiff_plain;f=src%2Ffunctions.sh;h=970d3db2f5fd6ebf841dbf72b3a0893f84ad6a87;hb=34fae0d4853ef205525f1fc864652e3181117160;hp=5fce053fcbe1fa8af0b1cc86a31d608bc6ccbadb;hpb=6f4f76a38153d21d9c8d3034f997d28d7f2fba83;p=carnet-upgrade.git

diff --git a/src/functions.sh b/src/functions.sh
index 5fce053..970d3db 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -303,7 +303,7 @@ what_upgrade () {
 # funkcija za ispis paketa koje treba upgradeati
 check_upgrade () {
   local upgrade
-  upgrade="`what_upgrade`"
+  upgrade=${1:-"`what_upgrade`"}
 
   if [ "$upgrade" ]; then
     notice "
@@ -323,6 +323,61 @@ Nakon toga ponovno pozovite ovu skriptu."
   fi
 }
 
+# update sarge urls in sources list
+fix_sarge_sources () {
+  local apt_sources='/etc/apt/sources.list'
+  local fixed_sources=$(mktemp /var/lib/carnet-upgrade/sources.list.XXXXXX)
+
+  # sarge (oldstable) was archived recently -> sources.list needs update
+  awk -v archive='http://archive.debian.org/debian' \
+      -v security='http://archive.debian.org/debian-security' \
+      '$3 == "sarge" && $2 ~ /[/]debian$/ { $2 = archive }
+       $3 == "sarge/updates" && $2 ~ /security\.debian\.org$/ { $2 = security }
+       { print }' $apt_sources > $fixed_sources
+
+  # did anything get updated
+  if ! cmp $apt_sources $fixed_sources >/dev/null; then
+      log "sources.list fixed to use archive.debian.org"
+
+      # backup current version
+      if [ ! -f "$apt_sources.$backup_ext.sarge" ]; then
+          cp -av $apt_sources "$apt_sources.$backup_ext.sarge"
+      fi
+
+      # install fixed version
+      cp -av $fixed_sources $apt_sources
+
+      # update the database
+      apt_update
+  fi
+
+  # delete temporary
+  rm -f $fixed_sources
+}
+
+# try to check if we are using the latest version of carnet-upgrade script
+check_my_version () {
+  local packages latest_version
+
+  packages=$(mktemp /var/lib/carnet-upgrade/Packages.XXXXXX)
+  if wget -q -O$packages $packages_uri; then
+    latest_version=$(sed -ne \
+        '/Package: carnet-upgrade/,/Description:/{ /Version: /s///p }' \
+        $packages)
+    rm -f $packages
+
+    if [ "$latest_version" ]; then
+      log "Running carnet-upgrade version is $version"
+      log "Latest carnet-upgrade version is $latest_version"
+      if dpkg --compare-versions "$version" lt "$latest_version"; then
+        check_upgrade " carnet-upgrade"
+      else log "Already using the latest carnet-upgrade version."; fi
+    else log "Failed to get latest version, skipping check."; fi
+  else log "Failed to download Packages file, skipping check."; fi
+
+  rm -f $packages
+}
+
 # if apache is installed make sure it's version 2
 check_apache_version () {
 
@@ -340,6 +395,79 @@ Nakon toga ponovno pozovite ovu skriptu."
   fi
 }
 
+# if grsec is installed make sure it is fresh
+check_grsec_kernel () {
+  local ver=`uname -r`
+
+  log "Kernel version: $ver"
+  if [ "$ver" = "${ver%-grsec}" ]; then
+    # not grsec variant
+    return 0
+  fi
+
+  if [ "$ver" = "${ver#2.6.2[4-9]}" ] || reboot_required; then
+    # kernel too old
+    notice "
+Prije prelaska na Debian Etch potrebno je napraviti nadogradnju na najnoviji grsec kernel.
+
+Pokrenite:
+  # apt-get update
+  # apt-get install kernel-2.6-cn
+  # reboot
+  
+Nakon toga ponovno pozovite ovu skriptu."
+    log "carnet-upgrade aborted, kernel upgrade needed."
+    exit 1
+  fi
+}
+
+# check if the latest kernel is booted
+reboot_required () {
+  local default_kernel kernel_package running_release running_version
+
+  default_kernel=$( lilo -t -v 2>/dev/null \
+                    | grep -B3 '[*]$' \
+                    | sed -n -e '/^Boot image: / { s///p; q; }' )
+
+  if [ -z "$default_kernel" ]; then
+      log "Could not find default kernel"
+      return 1
+  fi
+
+  log "Default kernel image: $default_kernel"
+
+  if [ ! -e "$default_kernel" ]; then
+      log "Default kernel image doesn't exist!?"
+      return 1
+  fi
+
+  kernel_package=$( dpkg -S $default_kernel | cut -d: -f 1 )
+
+  if [ -z "$kernel_package" ]; then
+      log "Default kernel not installed from a package"
+      return 1
+  fi
+
+  log "Default kernel package: $kernel_package"
+
+  if [ "$kernel_package" != "kernel-2.6-cn" ]; then
+      log "Default kernel package is not kernel-2.6-cn"
+      return 1
+  fi
+
+  running_release=$( uname -r )
+  running_version=$( uname -v )
+  log "Running kernel: $running_release $running_version"
+
+  if grep -q "$running_release .* $running_version" $default_kernel; then
+      log "Latest kernel version is running." 
+      return 1
+  else
+      log "Reboot to latest version required."
+      return 0
+  fi
+}
+
 upgrade () {
   local i to_install packages
   case "$1" in
@@ -879,8 +1007,7 @@ free_space() {
 
 download_size() {
   local size
-  size=$(LC_ALL=C apt-get --yes --print-uris "$@" \
-         | grep '^Need to get ')
+  size=$(LC_ALL=C apt-get --yes --print-uris "$@" | grep '^Need to get ')
 
   if [ $? -ne 0 ]; then
     log "Failed to get download size for 'apt-get $@'."
@@ -896,8 +1023,7 @@ download_size() {
 installed_size() {
   local package size
   package=$1
-  size=$(apt-cache show $package \
-         | grep '^Installed-Size:')
+  size=$(apt-cache show $package | grep '^Installed-Size:')
 
   if [ $? -ne 0 ]; then
     log "Failed to get installed size for '$package'."