logging.if: Added interfaces for watching all and audit logs.

Signed-off-by: Jonathan Davies <jd+github@upthedownstair.com>

policy/modules/system/logging.if

@@ -146,6 +146,25 @@ interface(`logging_read_audit_log',`
 	dontaudit $1 auditd_log_t:file map;
 ')
 
+########################################
+## <summary>
+##	Watch the audit log.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+## <rolecap/>
+#
+interface(`logging_watch_audit_log',`
+	gen_require(`
+		type auditd_log_t;
+	')
+
+	allow $1 auditd_log_t:file watch;
+')
+
 ########################################
 ## <summary>
 ##	Execute auditctl in the auditctl domain.
@@ -1072,6 +1091,25 @@ interface(`logging_read_all_logs',`
 	read_files_pattern($1, logfile, logfile)
 ')
 
+########################################
+## <summary>
+##	Watch all log files.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+## <rolecap/>
+#
+interface(`logging_watch_all_logs',`
+	gen_require(`
+		attribute logfile;
+	')
+
+	allow $1 logfile:file watch;
+')
+
 ########################################
 ## <summary>
 ##	Execute all log files in the caller domain.