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-rw-r--r--kernel/include/linux/syslog.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/kernel/include/linux/syslog.h b/kernel/include/linux/syslog.h
new file mode 100644
index 000000000..4b7b875a7
--- /dev/null
+++ b/kernel/include/linux/syslog.h
@@ -0,0 +1,61 @@
+/* Syslog internals
+ *
+ * Copyright 2010 Canonical, Ltd.
+ * Author: Kees Cook <kees.cook@canonical.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _LINUX_SYSLOG_H
+#define _LINUX_SYSLOG_H
+
+/* Close the log. Currently a NOP. */
+#define SYSLOG_ACTION_CLOSE 0
+/* Open the log. Currently a NOP. */
+#define SYSLOG_ACTION_OPEN 1
+/* Read from the log. */
+#define SYSLOG_ACTION_READ 2
+/* Read all messages remaining in the ring buffer. */
+#define SYSLOG_ACTION_READ_ALL 3
+/* Read and clear all messages remaining in the ring buffer */
+#define SYSLOG_ACTION_READ_CLEAR 4
+/* Clear ring buffer. */
+#define SYSLOG_ACTION_CLEAR 5
+/* Disable printk's to console */
+#define SYSLOG_ACTION_CONSOLE_OFF 6
+/* Enable printk's to console */
+#define SYSLOG_ACTION_CONSOLE_ON 7
+/* Set level of messages printed to console */
+#define SYSLOG_ACTION_CONSOLE_LEVEL 8
+/* Return number of unread characters in the log buffer */
+#define SYSLOG_ACTION_SIZE_UNREAD 9
+/* Return size of the log buffer */
+#define SYSLOG_ACTION_SIZE_BUFFER 10
+
+#define SYSLOG_FROM_READER 0
+#define SYSLOG_FROM_PROC 1
+
+int do_syslog(int type, char __user *buf, int count, bool from_file);
+
+#ifdef CONFIG_PRINTK
+int check_syslog_permissions(int type, bool from_file);
+#else
+static inline int check_syslog_permissions(int type, bool from_file)
+{
+ return 0;
+}
+#endif
+
+#endif /* _LINUX_SYSLOG_H */