From 89e1ca2463f2187346927947e2be788c37f1b6fe Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Sun, 13 Sep 2015 14:49:15 +0100
Subject: [PATCH] Refactoring of remote backup

---
 src/freedombone | 353 ++++++++----------------------------------------
 1 file changed, 57 insertions(+), 296 deletions(-)

diff --git a/src/freedombone b/src/freedombone
index 77620151..12386223 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -3710,6 +3710,31 @@ function create_freedns_updater {
   echo 'create_freedns_updater' >> $COMPLETION_FILE
 }
 
+function backup_directory_to_friend {
+  if [[ $BACKUP_TYPE == 'rsync' ]]; then
+      # For rsyncrypto usage see http://archive09.linux.com/feature/125322
+      echo -n "rsyncrypto -v -r ${1} " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo -n '$SERVER_DIRECTORY/backup/' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo -n "${2} " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo -n '$SERVER_DIRECTORY/backup/' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo "${2}.keys $BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  fi
+  echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  if [[ ${1} == "/root/temp"* || ${1} == *"tempbackup" ]]; then
+      echo "  shred -zu /root/temp${2}/*" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo "  rm -rf /root/temp${2}" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  fi
+  echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  echo -n "  echo \"Unable to backup ${2}\" | mail -s \"Freedombone backup to friends\" " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  echo '  exit 853' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  if [[ ${1} == "/root/temp"* || ${1} == *"tempbackup" ]]; then
+      echo "shred -zu /root/temp${2}/*" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      echo "rm -rf /root/temp${2}" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  fi
+}
+
 function backup_to_friends_servers {
   if grep -Fxq "backup_to_friends_servers" $COMPLETION_FILE; then
       return
@@ -3805,28 +3830,9 @@ function backup_to_friends_servers {
       echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo '  exit 296' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo "fi" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /root/tempgnusocialdata $SERVER_DIRECTORY/backup/gnusocialdata $SERVER_DIRECTORY/backup/gnusocialdata.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  shred -zu /root/tempgnusocialdata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  rm -rf /root/tempgnusocialdata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt gnusocial database" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 853' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'shred -zu /root/tempgnusocialdata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'rm -rf /root/tempgnusocialdata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /root/tempgnusocialdata gnusocialdata
       echo 'echo "Backing up GNU social installation"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n "rsyncrypto -v -r /var/www/$MICROBLOG_DOMAIN_NAME/htdocs " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '$SERVER_DIRECTORY/backup/gnusocial $SERVER_DIRECTORY/backup/gnusocial.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt gnusocial installation" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 846' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /var/www/$MICROBLOG_DOMAIN_NAME/htdocs gnusocial
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi
   if grep -Fxq "install_hubzilla" $COMPLETION_FILE; then
@@ -3852,28 +3858,9 @@ function backup_to_friends_servers {
       echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo '  exit 378' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo "fi" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /root/temphubzilladata $SERVER_DIRECTORY/backup/hubzilladata $SERVER_DIRECTORY/backup/hubzilladata.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  shred -zu /root/temphubzilladata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  rm -rf /root/temphubzilladata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt hubzilla database" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 285' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'shred -zu /root/temphubzilladata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'rm -rf /root/temphubzilladata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /root/temphubzilladata hubzilladata
       echo 'echo "Backing up Hubzilla installation"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n "rsyncrypto -v -r /var/www/$HUBZILLA_DOMAIN_NAME/htdocs " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '$SERVER_DIRECTORY/backup/hubzilla $SERVER_DIRECTORY/backup/hubzilla.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt hubzilla installation" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 593' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /var/www/$HUBZILLA_DOMAIN_NAME/htdocs hubzilla
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi
   if grep -Fxq "install_owncloud" $COMPLETION_FILE; then
@@ -3901,35 +3888,10 @@ function backup_to_friends_servers {
       echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo '  exit 377' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo "fi" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /root/tempownclouddata $SERVER_DIRECTORY/backup/ownclouddata $SERVER_DIRECTORY/backup/ownclouddata.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  shred -zu /root/tempownclouddata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  rm -rf /root/tempownclouddata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt owncloud database" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 188' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'shred -zu /root/tempownclouddata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'rm -rf /root/tempownclouddata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /root/tempownclouddata ownclouddata
       echo 'echo "Obtaining Owncloud data backup"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /var/lib/owncloud $SERVER_DIRECTORY/backup/owncloud $SERVER_DIRECTORY/backup/owncloud.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt owncloud installation (/var/lib/owncloud)" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 632' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /etc/owncloud $SERVER_DIRECTORY/backup/owncloud2 $SERVER_DIRECTORY/backup/owncloud2.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt owncloud installation (/etc/owncloud)" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 632' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /var/lib/owncloud owncloud
+      backup_directory_to_friend /etc/owncloud owncloud2
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi
 
@@ -3961,47 +3923,14 @@ function backup_to_friends_servers {
       echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo '  exit 6785' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo "fi" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /root/tempgogsdata $SERVER_DIRECTORY/backup/gogsdata $SERVER_DIRECTORY/backup/gogsdata.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  shred -zu /root/tempgogsdata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  rm -rf /root/tempgogsdata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt gogs database" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 3776' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'shred -zu /root/tempgogsdata/*' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'rm -rf /root/tempgogsdata' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /root/tempgogsdata gogsdata
       echo 'echo "Obtaining Gogs settings backup"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /home/git/go/src/github.com/gogits/gogs/custom $SERVER_DIRECTORY/backup/gogs $SERVER_DIRECTORY/backup/gogs.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt gogs installation (/home/git/go/src/github.com/gogits/gogs/custom)" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 76547' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /home/git/go/src/github.com/gogits/gogs/custom gogs
       echo 'echo "Obtaining Gogs repos backup"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /home/git/gogs-repositories $SERVER_DIRECTORY/backup/gogsrepos $SERVER_DIRECTORY/backup/gogsrepos.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt gogs repos (/home/git/gogs-repositories)" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 454637' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /home/git/gogs-repositories gogsrepos
 
       echo 'echo "Obtaining Gogs authorized_keys backup"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /home/git/.ssh $SERVER_DIRECTORY/backup/gogsssh $SERVER_DIRECTORY/backup/gogsssh.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt gogs authorized_keys (/home/git/.ssh)" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 76864' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-
+      backup_directory_to_friend /home/git/.ssh gogsssh
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi
 
@@ -4013,22 +3942,8 @@ function backup_to_friends_servers {
       echo '  mkdir -p $SERVER_DIRECTORY/backup/wiki2' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'echo "Obtaining wiki data backup"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /var/lib/dokuwiki $SERVER_DIRECTORY/backup/wiki $SERVER_DIRECTORY/backup/wiki.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt wiki installation (/var/lib/dokuwiki)" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 964' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /etc/dokuwiki $SERVER_DIRECTORY/backup/wiki2 $SERVER_DIRECTORY/backup/wiki2.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt wiki installation (/etc/dokuwiki)" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 964' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /var/lib/dokuwiki wiki
+      backup_directory_to_friend /etc/dokuwiki wiki2
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi
   if grep -Fxq "install_blog" $COMPLETION_FILE; then
@@ -4036,15 +3951,7 @@ function backup_to_friends_servers {
       echo '  mkdir -p $SERVER_DIRECTORY/backup/blog' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'echo "Obtaining blog backup"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n "rsyncrypto -v -r /var/www/$FULLBLOG_DOMAIN_NAME/htdocs " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '$SERVER_DIRECTORY/backup/blog $SERVER_DIRECTORY/backup/blog.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt blog installation" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 854' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /var/www/$FULLBLOG_DOMAIN_NAME/htdocs blog
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi
   if grep -Fxq "mesh_cjdns" $COMPLETION_FILE; then
@@ -4052,15 +3959,7 @@ function backup_to_friends_servers {
       echo '  mkdir -p $SERVER_DIRECTORY/backup/cjdns' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'echo "Obtaining cjdns backup"' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n "rsyncrypto -v -r /etc/cjdns " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '$SERVER_DIRECTORY/backup/cjdns $SERVER_DIRECTORY/backup/cjdns.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt cjdns installation" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 854' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /etc/cjdns cjdns
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi
 
@@ -4071,14 +3970,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/ssl ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/ssl' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /etc/ssl $SERVER_DIRECTORY/backup/ssl $SERVER_DIRECTORY/backup/ssl.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt ssl certificates" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 343' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend /etc/ssl ssl
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4088,15 +3980,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/projects ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/projects' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/projects ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/projects $SERVER_DIRECTORY/backup/projects.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt git projects" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 873' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/projects' projects
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4106,15 +3990,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/personal ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/personal' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/personal ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/personal $SERVER_DIRECTORY/backup/personal.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt personal settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 649' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/personal' personal
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4124,15 +4000,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/mailinglist ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/mailinglist' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n "  rsyncrypto  -v -r $PUBLIC_MAILING_LIST_DIRECTORY " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/mailinglist $SERVER_DIRECTORY/backup/mailinglist.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt public mailing list" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 938' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend $PUBLIC_MAILING_LIST_DIRECTORY mailinglist
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4142,15 +4010,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/xmpp ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/xmpp' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n "  rsyncrypto  -v -r $XMPP_DIRECTORY " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/xmpp $SERVER_DIRECTORY/backup/xmpp.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt XMPP settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 593' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend $XMPP_DIRECTORY xmpp
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4160,15 +4020,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/gnupg ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/gnupg' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/.gnupg ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/gnupg $SERVER_DIRECTORY/backup/gnupg.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt gpg keys" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 491' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/.gnupg' gnupg
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4178,15 +4030,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/ssh ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/ssh' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/.ssh ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/ssh $SERVER_DIRECTORY/backup/ssh.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt ssh keys" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 731' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/.ssh' ssh
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4196,11 +4040,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/web ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/web' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /etc/nginx/sites-available $SERVER_DIRECTORY/backup/web $SERVER_DIRECTORY/backup/web.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 848' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend /etc/nginx/sites-available web
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4214,17 +4054,7 @@ function backup_to_friends_servers {
   echo '    mkdir -p /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  cp -f /home/$MY_USERNAME/README /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/tempbackup ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/readme $SERVER_DIRECTORY/backup/readme.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt README file" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 848' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/tempbackup' readme
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4241,17 +4071,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/mutt ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/mutt' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/tempbackup ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/mutt $SERVER_DIRECTORY/backup/mutt.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt Mutt settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 492' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/tempbackup' mutt
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4265,17 +4085,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/procmail ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/procmail' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/tempbackup ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/procmail $SERVER_DIRECTORY/backup/procmail.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt procmail settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 492' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/tempbackup' procmail
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4285,15 +4095,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/spamassassin ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/spamassassin' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/.spamassassin ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/spamassassin $SERVER_DIRECTORY/backup/spamassassin.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt spamassassin settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 492' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/.spamassassin' spamassassin
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4308,15 +4110,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/mail ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/mail' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /root/backupemail ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/mail $SERVER_DIRECTORY/backup/mail.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt emails" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 396' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend /root/backupemail mail
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4326,14 +4120,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/dlna ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/dlna' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /var/cache/minidlna $SERVER_DIRECTORY/backup/dlna $SERVER_DIRECTORY/backup/dlna.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt DLNA settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 498' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend /var/cache/minidlna dlna
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4350,17 +4137,7 @@ function backup_to_friends_servers {
   echo '  if [ ! -d $SERVER_DIRECTORY/backup/voip ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '    mkdir -p $SERVER_DIRECTORY/backup/voip' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '  rsyncrypto  -v -r /home/$MY_USERNAME/tempbackup ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/voip $SERVER_DIRECTORY/backup/voip.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt VoIP settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 4923' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  rm -rf /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend '/home/$MY_USERNAME/tempbackup' voip
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4371,15 +4148,7 @@ function backup_to_friends_servers {
   echo '    mkdir -p $SERVER_DIRECTORY/backup/tox' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '  cp /etc/tox-bootstrapd.conf /var/lib/tox-bootstrapd' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n "  rsyncrypto  -v -r /var/lib/tox-bootstrapd " >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '$SERVER_DIRECTORY/backup/tox $SERVER_DIRECTORY/backup/tox.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo -n '    echo "Unable to encrypt Tox node settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '    exit 76454' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-  echo '  fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+  backup_directory_to_friend /var/lib/tox-bootstrapd tox
   echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
 
@@ -4402,15 +4171,7 @@ function backup_to_friends_servers {
       echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'echo "$DATABASE_PASSWORD" > /root/tempmariadb/db' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
       echo 'chmod 400 /root/tempmariadb/db' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n 'rsyncrypto -v -r /root/tempmariadb $SERVER_DIRECTORY/backup/mariadb $SERVER_DIRECTORY/backup/mariadb.keys ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  # Send a warning email' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo -n '  echo "Unable to encrypt database settings" | mail -s "Freedombone backup to friends" ' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo "$MY_EMAIL_ADDRESS" >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo '  exit 794' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'fi' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
-      echo 'rm -rf /root/tempmariadb' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
+      backup_directory_to_friend /root/tempmariadb mariadb
       echo '' >> /usr/bin/$BACKUP_TO_FRIENDS_SCRIPT_NAME
   fi