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/*
* security/tomoyo/tomoyo.h
*
* Implementation of the Domain-Based Mandatory Access Control.
*
* Copyright (C) 2005-2009 NTT DATA CORPORATION
*
* Version: 2.2.0 2009/04/01
*
*/
#ifndef _SECURITY_TOMOYO_TOMOYO_H
#define _SECURITY_TOMOYO_TOMOYO_H
struct tomoyo_path_info;
struct path;
struct inode;
struct linux_binprm;
struct pt_regs;
struct tomoyo_page_buffer;
int tomoyo_check_file_perm(struct tomoyo_domain_info *domain,
const char *filename, const u8 perm);
int tomoyo_check_exec_perm(struct tomoyo_domain_info *domain,
const struct tomoyo_path_info *filename,
struct tomoyo_page_buffer *buf);
int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
struct path *path, const int flag);
int tomoyo_check_1path_perm(struct tomoyo_domain_info *domain,
const u8 operation, struct path *path);
int tomoyo_check_2path_perm(struct tomoyo_domain_info *domain,
const u8 operation, struct path *path1,
struct path *path2);
int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
struct file *filp);
int tomoyo_find_next_domain(struct linux_binprm *bprm,
struct tomoyo_domain_info **next_domain);
/* Index numbers for Access Controls. */
#define TOMOYO_TYPE_SINGLE_PATH_ACL 0
#define TOMOYO_TYPE_DOUBLE_PATH_ACL 1
/* Index numbers for File Controls. */
/*
* TYPE_READ_WRITE_ACL is special. TYPE_READ_WRITE_ACL is automatically set
* if both TYPE_READ_ACL and TYPE_WRITE_ACL are set. Both TYPE_READ_ACL and
* TYPE_WRITE_ACL are automatically set if TYPE_READ_WRITE_ACL is set.
* TYPE_READ_WRITE_ACL is automatically cleared if either TYPE_READ_ACL or
* TYPE_WRITE_ACL is cleared. Both TYPE_READ_ACL and TYPE_WRITE_ACL are
* automatically cleared if TYPE_READ_WRITE_ACL is cleared.
*/
#define TOMOYO_TYPE_READ_WRITE_ACL 0
#define TOMOYO_TYPE_EXECUTE_ACL 1
#define TOMOYO_TYPE_READ_ACL 2
#define TOMOYO_TYPE_WRITE_ACL 3
#define TOMOYO_TYPE_CREATE_ACL 4
#define TOMOYO_TYPE_UNLINK_ACL 5
#define TOMOYO_TYPE_MKDIR_ACL 6
#define TOMOYO_TYPE_RMDIR_ACL 7
#define TOMOYO_TYPE_MKFIFO_ACL 8
#define TOMOYO_TYPE_MKSOCK_ACL 9
#define TOMOYO_TYPE_MKBLOCK_ACL 10
#define TOMOYO_TYPE_MKCHAR_ACL 11
#define TOMOYO_TYPE_TRUNCATE_ACL 12
#define TOMOYO_TYPE_SYMLINK_ACL 13
#define TOMOYO_TYPE_REWRITE_ACL 14
#define TOMOYO_MAX_SINGLE_PATH_OPERATION 15
#define TOMOYO_TYPE_LINK_ACL 0
#define TOMOYO_TYPE_RENAME_ACL 1
#define TOMOYO_MAX_DOUBLE_PATH_OPERATION 2
#define TOMOYO_DOMAINPOLICY 0
#define TOMOYO_EXCEPTIONPOLICY 1
#define TOMOYO_DOMAIN_STATUS 2
#define TOMOYO_PROCESS_STATUS 3
#define TOMOYO_MEMINFO 4
#define TOMOYO_SELFDOMAIN 5
#define TOMOYO_VERSION 6
#define TOMOYO_PROFILE 7
#define TOMOYO_MANAGER 8
extern struct tomoyo_domain_info tomoyo_kernel_domain;
static inline struct tomoyo_domain_info *tomoyo_domain(void)
{
return current_cred()->security;
}
/* Caller holds tasklist_lock spinlock. */
static inline struct tomoyo_domain_info *tomoyo_real_domain(struct task_struct
*task)
{
/***** CRITICAL SECTION START *****/
const struct cred *cred = get_task_cred(task);
struct tomoyo_domain_info *domain = cred->security;
put_cred(cred);
return domain;
/***** CRITICAL SECTION END *****/
}
#endif /* !defined(_SECURITY_TOMOYO_TOMOYO_H) */
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