/* 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, int source); #ifdef CONFIG_PRINTK int check_syslog_permissions(int type, int source); #else static inline int check_syslog_permissions(int type, int source) { return 0; } #endif #endif /* _LINUX_SYSLOG_H */