Fix MySQL ONLY_FULL_GROUP_BY

docker-compose.yml

@@ -45,9 +45,10 @@ services:
       # Database Configuration (And their defaults)
 #      - "MYSQL_HOST=db"
 #      - "MYSQL_USER=misp"
-#      - "MYSQL_PASSWORD=example" # NOTE: This should be AlphaNum with no Special Chars. Otherwise, edit config files after first run. 
+#      - "MYSQL_PASSWORD=example" # NOTE: This should be AlphaNum with no Special Chars. Otherwise, edit config files after first run.
 #      - "MYSQL_DATABASE=misp"
       # Optional Settings
+#      - "MYSQL_ROOT_PASSWORD=password" # Enable to allow fixing ONLY_FULL_GROUP_BY MySQL defaults
 #      - "NOREDIR=true" # Do not redirect port 80
 #      - "DISIPV6=true" # Disable IPV6 in nginx
 #      - "SECURESSL=true" # Enable higher security SSL in nginx

server/files/entrypoint_nginx.sh

@@ -9,6 +9,7 @@ MISP_APP_CONFIG_PATH=/var/www/MISP/app/Config
 [ -z "$REDIS_FQDN" ] && REDIS_FQDN=redis
 [ -z "$MISP_MODULES_FQDN" ] && MISP_MODULES_FQDN="http://misp-modules"
 [ -z "$MYSQLCMD" ] && MYSQLCMD="mysql -u $MYSQL_USER -p$MYSQL_PASSWORD -P $MYSQL_PORT -h $MYSQL_HOST -r -N  $MYSQL_DATABASE"
+[ -z "$MYSQLROOTCMD" ] && MYSQLROOTCMD="mysql -u root -p$MYSQL_ROOT_PASSWORD -P $MYSQL_PORT -h $MYSQL_HOST -r -N  $MYSQL_DATABASE"
 
 ENTRYPOINT_PID_FILE="/entrypoint_apache.install"
 [ ! -f $ENTRYPOINT_PID_FILE ] && touch $ENTRYPOINT_PID_FILE
@@ -92,6 +93,19 @@ init_mysql(){
         exit 1
     fi
 
+    # If we're given the root password, disable the default sql_mode ONLY_FULL_GROUP_BY
+    # in MySQL. Required until https://github.com/MISP/MISP/issues/1894 is fixed
+    if [ -n "$MYSQL_ROOT_PASSWORD" ]; then
+        echo -n "Checking if ONLY_FULL_GROUP_BY mode is enabled..."
+        sql_mode=$(echo "SELECT @@sql_mode" | $MYSQLROOTCMD | grep "ONLY_FULL_GROUP_BY")
+        if [ -n "$sql_mode" ]; then
+            echo -e "\nDisabling MySQL default ONLY_FULL_GROUP_BY"
+            echo "SET GLOBAL sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));" | $MYSQLROOTCMD 1>/dev/null
+        else
+        echo " OK"
+        fi
+    fi
+
     if [ $(isDBinitDone) -eq 0 ]; then
         echo "Database has already been initialized"
     else