From 3412f378241a5251748342ba50bb94628a55009e Mon Sep 17 00:00:00 2001
From: Christoph <ckubu@oopen.de>
Date: Wed, 24 Oct 2018 14:08:19 +0200
Subject: [PATCH] Add default values if no configuration file is present or
 value not given.

---
 install_amavis.sh | 128 ++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 118 insertions(+), 10 deletions(-)

diff --git a/install_amavis.sh b/install_amavis.sh
index 2058ec2..f01e4ac 100755
--- a/install_amavis.sh
+++ b/install_amavis.sh
@@ -1,7 +1,13 @@
 #!/usr/bin/env bash
 
-_QUARANTINE_ADMIN='postmaster\@$mydomain'
-QUARANTINE_ADMIN=$_QUARANTINE_ADMIN
+
+script_dir="$(realpath $(dirname $0))"
+script_name="$(basename "$0")"
+conf_file="${script_dir}/conf/install_amavis.conf"
+
+backup_date="$(date +%Y-%m-%d-%H%M)"
+crontab_backup_file="${script_dir}/crontab-root-${backup_date}.install_amavis.lst"
+
 
 
 # -------------
@@ -90,6 +96,29 @@ detect_os_1 () {
 }
 
 
+# -------------
+# --- Some default settings
+# -------------
+
+DEFAULT_QUARANTINE_DIR="/var/QUARANTINE"
+DEFAULT_QUARANTINE_ADMIN='postmaster\@$mydomain'
+DEFAULT_DB_IN_USE=false
+
+DEFAULT_INSTALL_CLAMAV_UNOFFICIAL_SIGS=true
+
+DEFAULT_MALWARE_PATROL_IN_USE=true
+DEFAULT_MALWERE_PATROL_FREE=false
+DEFAULT_MP_RECEIPT_NUMBER=106015125438
+
+DEFAULT_SECURITE_INFO_IN_USE=true
+DEFAULT_SI_AUTHORISATION_SIGNATURE_WF=76ed7ca6670dbee497e1a0397a7e178c4caa25888bc26d7327d1eab0195342a4cfa522dcf10382623d57dbc2a79bd37627b9a52def4d4bfe617d26e35405ce3b
+DEFAULT_SI_AUTHORISATION_SIGNATURE_OOPEN=b0b7e94d3fcc8f3b1f128edd5830392361868cf0174723a9924ac25bf8b1b588cb974b50234e1bc1d9839dfe0ca6e1627733d90daf1399347b1046d20c2e3a89
+
+# - This parameter will be not asked, so setting it here
+# -
+QUARANTINE_ADMIN=$DEFAULT_QUARANTINE_ADMIN
+
+
 # - Is this a systemd system?
 # -
 if [[ "X`which systemd`" = "X" ]]; then
@@ -107,17 +136,34 @@ detect_os_1
 
 echo ""
 
-
-script_dir="$(realpath $(dirname $0))"
-conf_file="${script_dir}/conf/install_amavis.conf"
-
-backup_date="$(date +%Y-%m-%d-%H%M)"
-crontab_backup_file="${script_dir}/crontab-root-${backup_date}.install_amavis.lst"
-
 if [[ -f "$conf_file" ]]; then
    source $conf_file
 fi
 
+
+
+# -------------
+# --- Set default values for some non existent variables (i.e. no configuration file is present)
+# -------------
+
+if [[ -z "$_HOSTNAME" ]] ; then
+   _HOSTNAME="$(hostname -f)"
+   _HOSTNAME_SHORT="$(hostname)"
+   [[ "$_HOSTNAME" = "$_HOSTNAME_SHORT" ]] && _HOSTNAME=""
+fi
+
+
+[[ -z "$_QUARANTINE_DIR" ]] && _QUARANTINE_DIR="$DEFAULT_QUARANTINE_DIR"
+
+[[ -z "$_DB_IN_USE" ]] && _DB_IN_USE=$DEFAULT_DB_IN_USE
+
+[[ -z "$_INSTALL_CLAMAV_UNOFFICIAL_SIGS" ]] && _INSTALL_CLAMAV_UNOFFICIAL_SIGS=$DEFAULT_INSTALL_CLAMAV_UNOFFICIAL_SIGS
+
+[[ -z "$_MALWARE_PATROL_IN_USE" ]] && _MALWARE_PATROL_IN_USE=$DEFAULT_MALWARE_PATROL_IN_USE
+[[ -z "$_MALWERE_PATROL_FREE" ]] && _MALWERE_PATROL_FREE=$DEFAULT_MALWERE_PATROL_FREE
+
+[[ -z "$_SECURITE_INFO_IN_USE" ]] && _SECURITE_INFO_IN_USE=$DEFAULT_SECURITE_INFO_IN_USE
+
 #clear
 #echo ""
 #echo -e "\033[32m--\033[m"
@@ -190,6 +236,43 @@ else
 fi
 
 
+
+# -------------
+# --- Some further default values depending on Hostname
+# -------------
+
+if [[ -z "$_HOSTNAME" ]] ; then
+   _HOSTNAME="$(hostname -f)"
+   _HOSTNAME_SHORT="$(hostname)"
+   [[ "$_HOSTNAME" = "$_HOSTNAME_SHORT" ]] && _HOSTNAME=""
+fi
+
+
+# - Set default values for ipv4- and ipv6-address
+# -
+if [[ -z $_IPV4 ]] && [[ -n "$_HOSTNAME" ]] && [[ -x "$(which dig)" ]]; then
+   _IPV4="$(dig +short "$_HOSTNAME" A)"
+fi
+if [[ -z $_IPV6 ]] && [[ -n "$_HOSTNAME" ]] && [[ -x "$(which dig)" ]]; then
+   _IPV6="$(dig +short "$_HOSTNAME" AAAA)"
+fi
+
+# - Set defaul value for securite signature
+# -
+if [[ -z "$_SI_AUTHORISATION_SIGNATURE" ]]; then
+   [[ "$HOSTNAME" =~ warenform.de$ ]] && _SI_AUTHORISATION_SIGNATURE=$DEFAULT_SI_AUTHORISATION_SIGNATURE_WF
+
+   # - For all this take O.OPEN's Signature
+   # -
+   [[ "$HOSTNAME" =~ oopen.de$ ]] && _SI_AUTHORISATION_SIGNATURE=$DEFAULT_SI_AUTHORISATION_SIGNATURE_OOPEN
+   [[ "$HOSTNAME" =~ cadus.org$ ]] && _SI_AUTHORISATION_SIGNATURE=$DEFAULT_SI_AUTHORISATION_SIGNATURE_OOPEN
+   [[ "$HOSTNAME" =~ so36.net$ ]] && _SI_AUTHORISATION_SIGNATURE=$DEFAULT_SI_AUTHORISATION_SIGNATURE_OOPEN
+   [[ "$HOSTNAME" =~ interventionistische-linke.org$ ]] && _SI_AUTHORISATION_SIGNATURE=$DEFAULT_SI_AUTHORISATION_SIGNATURE_OOPEN
+
+fi
+
+
+
 IPV4=
 echo ""
 echo -e "\033[32m--\033[m"
@@ -404,6 +487,11 @@ if $INSTALL_CLAMAV_UNOFFICIAL_SIGS ; then
          MALWERE_PATROL_FREE=false
       fi
 
+      # - Set default Value for Malware Patrol serial number (if non free account in use)
+      # -
+      if ! $MALWERE_PATROL_FREE ; then
+         [[ -z "$_MP_RECEIPT_NUMBER" ]] && _MP_RECEIPT_NUMBER="$DEFAULT_MP_RECEIPT_NUMBER"
+      fi
 
       echo ""
       echo -e "\033[32m--\033[m"
@@ -730,7 +818,7 @@ echo ""
 echononl "   Save Configuration"
 cat << EOF > $conf_file
 # ---
-# - Parametersettins postfix bases system
+# - Parametersettings for installscript $script_name
 # ---
 
 _HOSTNAME=$HOSTNAME
@@ -748,11 +836,31 @@ _DB_USER=$DB_USER
 _DB_PASS=$DB_PASS
 _INSTALL_CLAMAV_UNOFFICIAL_SIGS=$INSTALL_CLAMAV_UNOFFICIAL_SIGS
 _MALWARE_PATROL_IN_USE=$MALWARE_PATROL_IN_USE
+EOF
+if $MALWARE_PATROL_IN_USE ; then
+   cat << EOF >> $conf_file
 _MALWERE_PATROL_FREE=$MALWERE_PATROL_FREE
 _MP_RECEIPT_NUMBER=$MP_RECEIPT_NUMBER
+EOF
+else
+   cat << EOF >> $conf_file
+_MALWERE_PATROL_FREE=
+_MP_RECEIPT_NUMBER=
+EOF
+fi
+if $SECURITE_INFO_IN_USE ; then
+    cat << EOF >> $conf_file
 _SECURITE_INFO_IN_USE=$SECURITE_INFO_IN_USE
 _SI_AUTHORISATION_SIGNATURE=$SI_AUTHORISATION_SIGNATURE
+
 EOF
+else
+    cat << EOF >> $conf_file
+_SECURITE_INFO_IN_USE=$SECURITE_INFO_IN_USE
+_SI_AUTHORISATION_SIGNATURE=
+
+EOF
+fi
 if [[ $? -eq 0 ]] ; then
    echo_ok
 else