mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-06 22:47:36 +07:00
1581e7ddbd
tomoyo_realpath_init() is unconditionally called by security_initcall(). But nobody will use realpath related functions if TOMOYO is not registered. So, let tomoyo_init() call tomoyo_realpath_init(). This patch saves 4KB of memory allocation if TOMOYO is not registered. Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp> Signed-off-by: James Morris <jmorris@namei.org>
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
|
|
* security/tomoyo/realpath.h
|
|
*
|
|
* Get the canonicalized absolute pathnames. The basis for TOMOYO.
|
|
*
|
|
* Copyright (C) 2005-2009 NTT DATA CORPORATION
|
|
*
|
|
* Version: 2.2.0-pre 2009/02/01
|
|
*
|
|
*/
|
|
|
|
#ifndef _SECURITY_TOMOYO_REALPATH_H
|
|
#define _SECURITY_TOMOYO_REALPATH_H
|
|
|
|
struct path;
|
|
struct tomoyo_path_info;
|
|
struct tomoyo_io_buffer;
|
|
|
|
/* Convert binary string to ascii string. */
|
|
int tomoyo_encode(char *buffer, int buflen, const char *str);
|
|
|
|
/* Returns realpath(3) of the given pathname but ignores chroot'ed root. */
|
|
int tomoyo_realpath_from_path2(struct path *path, char *newname,
|
|
int newname_len);
|
|
|
|
/*
|
|
* Returns realpath(3) of the given pathname but ignores chroot'ed root.
|
|
* These functions use tomoyo_alloc(), so the caller must call tomoyo_free()
|
|
* if these functions didn't return NULL.
|
|
*/
|
|
char *tomoyo_realpath(const char *pathname);
|
|
/*
|
|
* Same with tomoyo_realpath() except that it doesn't follow the final symlink.
|
|
*/
|
|
char *tomoyo_realpath_nofollow(const char *pathname);
|
|
/* Same with tomoyo_realpath() except that the pathname is already solved. */
|
|
char *tomoyo_realpath_from_path(struct path *path);
|
|
|
|
/*
|
|
* Allocate memory for ACL entry.
|
|
* The RAM is chunked, so NEVER try to kfree() the returned pointer.
|
|
*/
|
|
void *tomoyo_alloc_element(const unsigned int size);
|
|
|
|
/*
|
|
* Keep the given name on the RAM.
|
|
* The RAM is shared, so NEVER try to modify or kfree() the returned name.
|
|
*/
|
|
const struct tomoyo_path_info *tomoyo_save_name(const char *name);
|
|
|
|
/* Allocate memory for temporary use (e.g. permission checks). */
|
|
void *tomoyo_alloc(const size_t size);
|
|
|
|
/* Free memory allocated by tomoyo_alloc(). */
|
|
void tomoyo_free(const void *p);
|
|
|
|
/* Check for memory usage. */
|
|
int tomoyo_read_memory_counter(struct tomoyo_io_buffer *head);
|
|
|
|
/* Set memory quota. */
|
|
int tomoyo_write_memory_quota(struct tomoyo_io_buffer *head);
|
|
|
|
/* Initialize realpath related code. */
|
|
void __init tomoyo_realpath_init(void);
|
|
|
|
#endif /* !defined(_SECURITY_TOMOYO_REALPATH_H) */
|