X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?a=blobdiff_plain;f=src%2Ffunctions.sh;h=80e18945c3e3dba5c747c52547ef5e43340f6316;hb=16f9193416f7db90cf3e5678f09008e698e2fe59;hp=6ef62aa7d8805346129a4286c3273bdc6fa5e4ee;hpb=df6b014a9ea544d6b360580ee76163b77a88fe4b;p=carnet-upgrade.git

diff --git a/src/functions.sh b/src/functions.sh
index 6ef62aa..80e1894 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -35,7 +35,7 @@ find_id() {
   ids=$(getent $db | awk -F: "\$3 >= $first && \$3 <= $last {print \$3}")
   for i in $(seq $first $last)
   do
-    if ! echo $ids |grep -q $i; then
+    if ! echo $ids | grep -q $i; then
       echo $i
       return 0
     fi
@@ -263,7 +263,7 @@ check_upgrade () {
 
   if [ "$upgrade" ]; then
     notice "
-Prije prelaska na Debian Etch potrebno je napraviti upgrade ovih paketa:
+Prije prelaska na Debian Etch potrebno je napraviti nadogradnju ovih paketa:
   $upgrade
 
 Pokrenite:
@@ -277,6 +277,23 @@ Nakon toga ponovno pozovite ovu skriptu."
   fi
 }
 
+# if apache is installed make sure it's version 2
+check_apache_version () {
+
+  if ! pkg apache2-cn && pkg apache-cn; then
+    notice "
+Prije prelaska na Debian Etch potrebno je napraviti nadogradnju sa apache 1.3
+na apache 2.0.
+
+Pokrenite:
+  'apt-get install apache2-cn'
+  
+Nakon toga ponovno pozovite ovu skriptu."
+    log "carnet-upgrade aborted, upgrade to apache2-cn needed."
+    exit 1
+  fi
+}
+
 upgrade () {
   local to_install packages
   case "$1" in
@@ -304,11 +321,24 @@ upgrade () {
 
 # funkcija utrpa ispravan sources.list
 create_sources_list () {
-    [ -f /etc/apt/sources.list -a ! -f /etc/apt/sources.list.cn4-upgrade ] && mv /etc/apt/sources.list /etc/apt/sources.list.cn4-upgrade
-    cp /usr/share/carnet-upgrade/files/etc/apt/sources.list /etc/apt
-    notice "Novi sadrzaj datoteke /etc/apt/sources.list:
+    local sl sl_new
+    sl=/etc/apt/sources.list
+    sl_new=/usr/share/carnet-upgrade/files/etc/apt/sources.list
+
+    # check if already installed
+    if ! cmp $sl $sl_new >/dev/null; then
+
+        # backup old version
+        if [ -f $sl -a ! -f $sl.$backup_ext ]; then
+            cp -av $sl $sl.$backup_ext
+        fi
+
+        # install new version
+        cp -av $sl_new $sl
+        notice "Novi sadrzaj datoteke /etc/apt/sources.list:
 
 `cat /etc/apt/sources.list`"
+    fi
 }
 
 
@@ -323,49 +353,71 @@ remove_group_proc () {
 
 add_group_proc () {
   if ! getent group proc > /dev/null; then
+    # grsec uses gid 99 for /proc files
     groupadd -g 99 proc 
     log "groupadd -g 99 proc"
 
     # update oidentd so it uses the proc group
-    if [ -x /etc/init.d/oidentd -a -f /etc/default/oidentd ]; then
-	check_and_sed 'OIDENT_GROUP.*proc' 's/\(OIDENT_GROUP\).*/\1=proc/' \
-            /etc/default/oident && /etc/init.d/oidentd restart
+    if [ -x /etc/init.d/oidentd ]; then
+        if gpasswd -a oident proc; then
+            /etc/init.d/oidentd restart
+        fi
     fi
   fi
 }
 
-# backup_slapd_db
+# backup ldap database
 backup_slapd_db () {
-  local ldap_backup=/var/backups/slapcat.cn4-upgrade
+  local ldap_backup=/var/backups/slapcat.$backup_ext
+  local old_umask result
 
   if [ ! -f $ldap_backup ]; then
     [ -x /etc/init.d/freeradius ] && /etc/init.d/freeradius stop || true
 
     if [ -x /etc/init.d/slapd -a -d /var/lib/ldap ]; then
       /etc/init.d/slapd stop || true
-      if slapcat -l $ldap_backup; then
+      old_umask=`umask`
+      umask 0077 # protect the backup file
+      slapcat -l $ldap_backup
+      result=$?
+      umask $old_umask
+      /etc/init.d/slapd start || true
+
+      if [ "$result" -eq 0 ]; then
         log "$ldap_backup created"
         notice "Napravljen backup slapd baze u $ldap_backup."
+      else
+        log "$ldap_backup was not created"
+        notice "Backup slapd baze u $ldap_backup nije uspio."
+        exit 1
       fi
-      /etc/init.d/slapd start || true
     fi
 
     [ -x /etc/init.d/freeradius ] && /etc/init.d/freeradius start || true
   else
-    log "slapd backup already at $ldap_backup, skipping"
+    log "slapd backup already at $ldap_backup, skipping."
     notice "Backup slapd baze u $ldap_backup vec postoji!"
   fi
 }
 
 # backup etc direktorija
 backup_etc_dir () {
-  local etc_backup=/var/backups/etc.cn4-upgrade.tar.gz
+  local etc_backup=/var/backups/etc.$backup_ext.tar.gz
+  local old_umask
 
   if [ ! -f $etc_backup ]; then
+    old_umask=`umask`
+    umask 0077 # protect the backup file
+
     if tar cfz $etc_backup /etc 2> /dev/null; then
       log "$etc_backup created"
       notice "Napravljen backup /etc direktorija u $etc_backup."
+    else
+      log "$etc_backup was not created"
+      notice "Backup /etc direktorija u $etc_backup nije uspio."
+      exit 1
     fi
+    umask $old_umask
   else
     log "/etc backup already present in $etc_backup, skipping."
     notice "Backup /etc direktorija u $etc_backup vec postoji!"
@@ -375,71 +427,139 @@ backup_etc_dir () {
 # fixaj /etc/default/raid2
 fix_etc_default_raid2 () {
   if [ -f /etc/default/raid2 ]; then
-    sed "s/^AUTOSTART.*/AUTOSTART=true/g" /etc/default/raid2 > /etc/default/raid2.cn4-upgrade.$$
-    chown --reference=/etc/default/raid2 /etc/default/raid2.cn4-upgrade.$$
-    chmod --reference=/etc/default/raid2 /etc/default/raid2.cn4-upgrade.$$
+    sed "s/^AUTOSTART.*/AUTOSTART=true/g" /etc/default/raid2 > /etc/default/raid2.$backup_ext.$$
+    chown --reference=/etc/default/raid2 /etc/default/raid2.$backup_ext.$$
+    chmod --reference=/etc/default/raid2 /etc/default/raid2.$backup_ext.$$
 
-    if ! cmp -s /etc/default/raid2.cn4-upgrade.$$ /etc/default/raid2; then
+    if ! cmp -s /etc/default/raid2.$backup_ext.$$ /etc/default/raid2; then
       log "Fixed /etc/default/raid2 AUTOSTART option."
-      mv /etc/default/raid2.cn4-upgrade.$$ /etc/default/raid2
+      mv -v /etc/default/raid2.$backup_ext.$$ /etc/default/raid2
     else
-      rm /etc/default/raid2.cn4-upgrade.$$
+      rm -v /etc/default/raid2.$backup_ext.$$
     fi
   fi
 }
 
-# restore distribution config file
+# restore original config file (if the new package version is not
+# installed already)
 restore_config () {
-  local file file_backup
+  local file file_backup file_orig
+  local old_umask
+
+  # create new files safely
+  old_umask=`umask`
+  umask 0077
+
+  # restore package files
+  for file in $*; do
+    file_orig=/usr/share/carnet-upgrade/files/$file
+    file_backup=$file.$backup_ext
+
+    # is config there
+    if [ ! -e $file ]; then
+        continue
+    fi 
+
+    # is restore needed
+    if cmp $file_orig $file >/dev/null; then
+        continue
+    fi
 
-  for file in "$@"; do
-    file_backup=$file.cn4-upgrade
-    if [ -e $file -a ! -e $file_backup ]; then
-      # backup file
-      mv $file $file_backup
+    # backup and restore
+    if [ ! -e $file_backup ]; then
+      log "Restoring config file $file"
 
-      # install original
-      log Restoring config file $file
-      cp /usr/share/carnet-upgrade/files/$file $file
+      # backup local changes
+      mv -v $file $file_backup
+
+      # restore original
+      cp -av $file_orig $file
+      chown --reference $file_backup $file
+      chmod --reference $file_backup $file
     fi
   done
+
+  umask $old_umask
 }
 
 # restore modified config to their package defaults
 # so the upgrade doesn't complain so much
 restore_configs () {
-  restore_config /etc/bind/named.conf.options
-  restore_config /etc/default/ntpdate
-  restore_config /etc/default/oidentd
-  restore_config /etc/default/postgrey
-  restore_config /etc/default/saslauthd
-  restore_config /etc/default/slapd
-  restore_config /etc/dovecot/dovecot.conf
-  restore_config /etc/init.d/mysql
-  restore_config /etc/init.d/slapd
-  restore_config /etc/issue
-  restore_config /etc/issue.net
-  restore_config /etc/logrotate.d/mysql-server
-  restore_config /etc/mysql/my.cnf
-  restore_config /etc/ntp.conf
-  restore_config /etc/pam.d/login
-  restore_config /etc/php4/apache/php.ini
-  restore_config /etc/php4/cgi/php.ini
-  restore_config /etc/php4/cli/php.ini
-  restore_config /etc/postgrey/whitelist_clients
-  restore_config /etc/security/limits.conf
-  restore_config /etc/squirrelmail/apache.conf
-  restore_config /etc/sysctl.conf
-  restore_config /etc/vsftpd.conf
-  restore_config /etc/xinetd.conf
+  pkg base-files lt 4 && restore_config /etc/issue /etc/issue.net
+  pkg bind9 lt 1:9.3.4 && restore_config /etc/bind/named.conf.options
+  pkg dovecot-common lt 1.0 && restore_config /etc/dovecot/dovecot.conf
+  pkg libpam-modules lt 0.79 && restore_config /etc/security/limits.conf
+  pkg login lt 1:4.0.18.1 && restore_config /etc/pam.d/login
+  pkg mysql-server lt 5.0.3 && restore_config /etc/init.d/mysql \
+                                    /etc/logrotate.d/mysql-server \
+                                    /etc/mysql/my.cnf
+  pkg ntp lt 1:4.2.2 && restore_config /etc/ntp.conf
+  pkg ntpdate lt 1:4.2.2 && restore_config /etc/default/ntpdate
+  pkg oidentd lt 2.0.8 && restore_config /etc/default/oidentd
+  pkg postgrey lt 1.27 && restore_config /etc/default/postgrey \
+                               /etc/postgrey/whitelist_clients
+  pkg procps lt 1:3.2.7 && restore_config /etc/sysctl.conf
+  pkg sasl2-bin lt 2.1.22 && restore_config /etc/default/saslauthd
+  pkg slapd lt 2.3.30 && restore_config /etc/default/slapd /etc/init.d/slapd
+  pkg squirrelmail lt 2:1.4.9a && restore_config /etc/squirrelmail/apache.conf
+  pkg vsftpd lt 2.0.5 && restore_config /etc/vsftpd.conf
+  pkg xinetd lt 1:2.3.14 && restore_config /etc/xinetd.conf
 
   # orphaned config file - no owner
-  rm -f /etc/logcheck/ignore.d.server/imap
+  if pkg logcheck-database lt 1.2.54; then
+      rm -vf /etc/logcheck/ignore.d.server/imap
+  fi
 
   # aide switched to ucf, move old configs aside
-  for file in /etc/aide/aide.conf /etc/cron.daily/aide /etc/default/aide; do
-      [ ! -e "$file.cn4-upgrade" ] && mv "$file" "$file.cn4-upgrade"
-      rm -f "$file"
+  if pkg aide lt 0.13.1; then
+      for file in /etc/aide/aide.conf \
+                  /etc/cron.daily/aide \
+                  /etc/default/aide;
+      do
+          if [ ! -e "$file.$backup_ext" ]; then
+              mv -v "$file" "$file.$backup_ext"
+          fi
+
+          rm -vf "$file"
+      done
+  fi
+
+  # register cn changes in apache files
+  for config in /etc/php4/cgi/php.ini \
+                /etc/php4/cli/php.ini \
+                /etc/php4/apache/php.ini \
+                /etc/php4/apache2/php.ini \
+                /etc/apache/modules.conf
+  do 
+      config_backup=$config.$backup_ext
+      if [ -e $config -a ! -e $config_backup ]; then
+          cp -av $config $config_backup
+          ucf $config_backup $config
+      fi
+  done
+}
+
+# temporary disable listchanges packages to reduce clutter during upgrade
+apt_listchanges () {
+  local file command=$1
+
+  for file in /etc/apt/apt.conf.d/20listchanges \
+              /etc/apt/apt.conf.d/20listchanges-cn
+  do
+      case $command in
+           disable)
+               if [ -f $file ]; then
+                   dpkg-divert --local --rename --divert $file.$backup_ext \
+                               --add $file || true
+               fi
+               ;;
+
+           enable)
+               if [ -f $file.$backup_ext ]; then
+                   dpkg-divert --remove $file || true
+               fi
+               ;;
+     esac
   done
 }
 
@@ -452,6 +572,16 @@ install_keyrings () {
   update
 }
 
+# remove skey (not supported anymore)
+remove_skey () {
+  pkgrm skey-cn libpam-skey
+
+  if getent group skey > /dev/null; then
+    groupdel skey || true
+    log "groupdel skey"
+  fi
+}
+
 # make a silent upgrade to new libc6
 upgrade_libc () {
   DEBIAN_FRONTEND=noninteractive pkgadd libc6
@@ -459,42 +589,59 @@ upgrade_libc () {
 
 # upgrade apache -> apache2
 upgrade_apache () {
+
   # bugfix for apache2-cn postinst
   mkdir -p /etc/apache2
   touch /etc/apache2/httpd.conf
 
-  pkgadd php4-odbc php4-xslt
+  # temporary remove packages conflicting with apache2
+  delpkg=""
+  for p in aosi-aai aosi-www-aai \
+           php4-cn php4-odbc php4-xslt \
+           squirrelmail-cn; do
+
+     # remember installed packages
+     if pkg $p; then
+         delpkg="$delpkg $p"
+     fi
+  done
 
-  # apache2 conflicts with these
-  pkgrm apache aosi-aai aosi-www-aai php4-cn squirrelmail-cn
+  # remove (but not purge) problematic packages
+  if [ "$delpkg" ]; then
+      eval apt-get --yes remove $delpkg
+  fi
 
-  # apache2-cn postinst needs new mktemp
-  #pkgadd apache2-cn php5-cn aosi-aai aosi-www-aai # squirrelmail-cn
+  # remove old apache
+  pkgrm apache apache-common
 
-  pkgadd apache2 apache2-mpm-prefork libapache2-mod-php4 ssl-cert
-  pkgadd apache2-cn php4-cn
-  pkgadd aosi-aai aosi-www-aai squirrelmail-cn
+  # install new packages
+  eval pkgadd apache2-cn apache2-mpm-prefork \
+              php4-cn libapache2-mod-php4 \
+              $delpkg
 }
 
 upgrade_amavis () {
-  # remove diversion
+  # remove init script diversion
   if [ -L /etc/init.d/amavis -a -f /etc/init.d/amavis.amavisd-new ]; then
-    rm -f /etc/init.d/amavis
+    rm -vf /etc/init.d/amavis
     dpkg-divert --quiet --remove /etc/init.d/amavis
   fi
 
   # move old config aside
   local conf=/etc/amavis/amavisd.conf
-  if [ -e $conf -a ! -e $conf.cn4-upgrade ]; then
-    mv $conf $conf.cn4-upgrade
+  if [ -e $conf -a ! -e $conf.$backup_ext ]; then
+    mv -v $conf $conf.$backup_ext
   fi
 
+  # install new packages
   pkgadd amavisd-cn amavisd-new
 
+  # fix new packages
   check_and_sed '^clamd.*5.clamav.log$' \
                 's/^\(clamd.*\)5.clamav.log$/\14\tsocket/g' \
                 /etc/init.d/amavisd-cn || true
 
+  # start new packages
   /etc/init.d/amavis restart
 }