Handle service upgrades.

[carnet-upgrade.git] / src / functions.sh

diff --git a/src/functions.sh b/src/functions.sh
index a0431a4..1e831f4 100644 (file)
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -480,7 +480,9 @@ reboot_required () {
   running_version=$( uname -v )
   log "Running kernel: $running_release $running_version"
 
-  if grep -q "$running_release .* $running_version" $default_kernel; then
+  if [ "$kernel_package" != "${kernel_package#linux-image-3.2.0-}" ] ||
+     grep -q "$running_release .* $running_version" $default_kernel
+  then
       log "Latest kernel version is running." 
       return 1
   else
@@ -903,8 +905,9 @@ upgrade_libc () {
 # upgrade apache2/php5
 upgrade_apache2 () {
   pkgrm apache-common # prevents installation of apache2-suexec
+  pkgrm php5-suhosin # not available for wheezy
   pkgupgrade libapache2-mod-php5 php5-cli php5-cn apache2-cn \
-    php5-odbc php5-suhosin php-suhosin-cn
+    php5-odbc
 }
 
 upgrade_amavis () {
@@ -976,6 +979,44 @@ upgrade_postfix () {
   fi
 }
 
+# upgrade the IMAP server
+upgrade_dovecot() {
+  if [ ! -f /etc/dovecot/conf.d/95-local ]; then
+     pkgrm dovecot-cn
+
+     # restore config
+     if [ ! -f /etc/dovecot/dovecot.conf.$backup_ext ]; then
+        mv /etc/dovecot/dovecot.conf /etc/dovecot/dovecot.conf.$backup_ext
+        cp /usr/share/dovecot/dovecot.conf /etc/dovecot/dovecot.conf
+     fi
+
+     # copy SSL certificates
+     OLD_SSL_CERT="/etc/ssl/certs/dovecot.pem"
+     OLD_SSL_KEY="/etc/ssl/private/dovecot.pem"
+     SSL_CERT="/etc/dovecot/dovecot.pem"
+     SSL_KEY="/etc/dovecot/private/dovecot.pem"
+     if [ -f $OLD_SSL_CERT -a -f $OLD_SSL_KEY -a ! -f $SSL_CERT -a ! -f $SSL_KEY ]; then
+        if [ ! -e /etc/dovecot/private ]; then
+           install -d -o root -g root -m0700 /etc/dovecot/private
+        fi
+
+        cp -av $OLD_SSL_CERT $SSL_CERT
+        cp -av $OLD_SSL_KEY $SSL_KEY
+
+        chown root:dovecot $SSL_CERT
+        chmod 0644 $SSL_CERT
+        chown root:dovecot $SSL_KEY
+        chmod 0600 $SSL_KEY
+     fi
+
+     # install new version and restore local changes
+     pkgadd dovecot-core
+     doveconf -n -c /etc/dovecot/dovecot.conf.$backup_ext > /etc/dovecot/conf.d/95-local
+
+     pkgadd dovecot-cn
+  fi
+}
+
 # upgrade bind separately so DNS is not down for too long
 # or breaks postinst scripts of other cn packages that depend on
 # working resolver
@@ -983,6 +1024,16 @@ upgrade_bind() {
   pkgadd bind9-cn
 }
 
+# handle fail2ban upgrade due to error:
+# trying to overwrite '/etc/fail2ban/filter.d/dovecot.conf', which is also in package fail2ban-cn
+upgrade_fail2ban() {
+  if pkg fail2ban-cn && dpkg -L fail2ban-cn | grep -qF dovecot.conf; then
+    pkgrm fail2ban-cn
+    pkgadd fail2ban
+    pkgadd fail2ban-cn
+  fi
+}
+
 get_variable () {
   local name=$1 file=$2 val