- Fix #72: configure --with-syslog-facility=LOCAL0-7 with default

  LOG_DAEMON (as before) can set the syslog facility that the server
  uses to log messages.

config.h.in

@@ -730,6 +730,9 @@
 /* Use win32 resources and API */
 #undef UB_ON_WINDOWS
 
+/* the SYSLOG_FACILITY to use, default LOG_DAEMON */
+#undef UB_SYSLOG_FACILITY
+
 /* default username */
 #undef UB_USERNAME
 

configure

@@ -850,6 +850,7 @@ enable_alloc_lite
 enable_alloc_nonregional
 with_pthreads
 with_solaris_threads
+with_syslog_facility
 with_pyunbound
 with_pythonmodule
 enable_swig_version_check
@@ -1604,6 +1605,8 @@ Optional Packages:
   --with-pthreads         use pthreads library, or --without-pthreads to
                           disable threading support.
   --with-solaris-threads  use solaris native thread library.
+  --with-syslog-facility=LOCAL0 - LOCAL7
+                          set SYSLOG_FACILITY, default DAEMON
   --with-pyunbound        build PyUnbound, or --without-pyunbound to skip it.
                           (default=no)
   --with-pythonmodule     build Python module, or --without-pythonmodule to
@@ -17099,6 +17102,26 @@ fi
 
 fi # end of non-mingw check of thread libraries
 
+# Check for SYSLOG_FACILITY
+
+# Check whether --with-syslog-facility was given.
+if test "${with_syslog_facility+set}" = set; then :
+  withval=$with_syslog_facility;  UNBOUND_SYSLOG_FACILITY="$withval"
+fi
+
+case "${UNBOUND_SYSLOG_FACILITY}" in
+
+  LOCAL[0-7]) UNBOUND_SYSLOG_FACILITY="LOG_${UNBOUND_SYSLOG_FACILITY}" ;;
+
+           *) UNBOUND_SYSLOG_FACILITY="LOG_DAEMON" ;;
+
+esac
+
+cat >>confdefs.h <<_ACEOF
+#define UB_SYSLOG_FACILITY ${UNBOUND_SYSLOG_FACILITY}
+_ACEOF
+
+
 # Check for PyUnbound
 
 # Check whether --with-pyunbound was given.

configure.ac

@@ -603,6 +603,18 @@ fi
 
 fi # end of non-mingw check of thread libraries
 
+# Check for SYSLOG_FACILITY
+AC_ARG_WITH(syslog-facility, AC_HELP_STRING([--with-syslog-facility=LOCAL0 - LOCAL7], [ set SYSLOG_FACILITY, default DAEMON ]),
+	[ UNBOUND_SYSLOG_FACILITY="$withval" ], [])
+case "${UNBOUND_SYSLOG_FACILITY}" in
+
+  LOCAL[[0-7]]) UNBOUND_SYSLOG_FACILITY="LOG_${UNBOUND_SYSLOG_FACILITY}" ;;
+
+           *) UNBOUND_SYSLOG_FACILITY="LOG_DAEMON" ;;
+
+esac
+AC_DEFINE_UNQUOTED(UB_SYSLOG_FACILITY,${UNBOUND_SYSLOG_FACILITY},[the SYSLOG_FACILITY to use, default LOG_DAEMON])
+
 # Check for PyUnbound
 AC_ARG_WITH(pyunbound,
    AC_HELP_STRING([--with-pyunbound],

doc/Changelog

@@ -1,3 +1,8 @@
+9 September 2019: Wouter
+	- Fix #72: configure --with-syslog-facility=LOCAL0-7 with default
+	  LOG_DAEMON (as before) can set the syslog facility that the server
+	  uses to log messages.
+
 4 September 2019: Wouter
 	- Fix #71: fix openssl error squelch commit compilation error.
 

util/log.c

@@ -115,7 +115,9 @@ log_init(const char* filename, int use_syslog, const char* chrootdir)
 	if(use_syslog) {
 		/* do not delay opening until first write, because we may
 		 * chroot and no longer be able to access dev/log and so on */
-		openlog(ident, LOG_NDELAY, LOG_DAEMON);
+		/* the facility is LOG_DAEMON by default, but
+		 * --with-syslog-facility=LOCAL[0-7] can override it */
+		openlog(ident, LOG_NDELAY, UB_SYSLOG_FACILITY);
 		logging_to_syslog = 1;
 		lock_quick_unlock(&log_lock);
 		return;