blob: c3a7f0cc3a275f711a0a41660825b00b2ae535f8
| 1 | /* Syslog internals |
| 2 | * |
| 3 | * Copyright 2010 Canonical, Ltd. |
| 4 | * Author: Kees Cook <kees.cook@canonical.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2, or (at your option) |
| 9 | * any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; see the file COPYING. If not, write to |
| 18 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef _LINUX_SYSLOG_H |
| 22 | #define _LINUX_SYSLOG_H |
| 23 | |
| 24 | /* Close the log. Currently a NOP. */ |
| 25 | #define SYSLOG_ACTION_CLOSE 0 |
| 26 | /* Open the log. Currently a NOP. */ |
| 27 | #define SYSLOG_ACTION_OPEN 1 |
| 28 | /* Read from the log. */ |
| 29 | #define SYSLOG_ACTION_READ 2 |
| 30 | /* Read all messages remaining in the ring buffer. */ |
| 31 | #define SYSLOG_ACTION_READ_ALL 3 |
| 32 | /* Read and clear all messages remaining in the ring buffer */ |
| 33 | #define SYSLOG_ACTION_READ_CLEAR 4 |
| 34 | /* Clear ring buffer. */ |
| 35 | #define SYSLOG_ACTION_CLEAR 5 |
| 36 | /* Disable printk's to console */ |
| 37 | #define SYSLOG_ACTION_CONSOLE_OFF 6 |
| 38 | /* Enable printk's to console */ |
| 39 | #define SYSLOG_ACTION_CONSOLE_ON 7 |
| 40 | /* Set level of messages printed to console */ |
| 41 | #define SYSLOG_ACTION_CONSOLE_LEVEL 8 |
| 42 | /* Return number of unread characters in the log buffer */ |
| 43 | #define SYSLOG_ACTION_SIZE_UNREAD 9 |
| 44 | /* Return size of the log buffer */ |
| 45 | #define SYSLOG_ACTION_SIZE_BUFFER 10 |
| 46 | |
| 47 | #define SYSLOG_FROM_READER 0 |
| 48 | #define SYSLOG_FROM_PROC 1 |
| 49 | |
| 50 | int do_syslog(int type, char __user *buf, int count, int source); |
| 51 | |
| 52 | #ifdef CONFIG_PRINTK |
| 53 | int check_syslog_permissions(int type, int source); |
| 54 | #else |
| 55 | static inline int check_syslog_permissions(int type, int source) |
| 56 | { |
| 57 | return 0; |
| 58 | } |
| 59 | #endif |
| 60 | |
| 61 | #endif /* _LINUX_SYSLOG_H */ |
| 62 |