several improvement and armonisation in filefct.sh, module auth and patch_snmp improved

modules/conf_syslog.sh

@@ -11,15 +11,15 @@
 #  * SYSLOG_SRV: the syslog server name
 # ------------------------------------------------------------------------------
 
-export VER_conf_syslog="0.0.3"
+export VER_conf_syslog="0.0.4"
 
 conf_syslog()
 {
     local syslogconf=/etc/rsyslog.conf
     prnt I "Configuration de rsyslog..."
-    backupdist $syslogconf
-    installfile rsyslog.conf $syslogconf
-    tagfile $syslogconf
+    backup_dist $syslogconf
+    install_file rsyslog.conf $syslogconf
+    tag_file $syslogconf
     sed -i -e "s/@SYSLOG_SRV@/$SYSLOG_SRV/" $syslogconf
     svc_restart rsyslog
 }
@@ -30,7 +30,7 @@ precheck_conf_syslog()
         prnt E "Undeclared syslog server name !"
         die 181
     else
-        file_exists rsyslog.conf
+        file_must_exists rsyslog.conf
     fi
 }