/* 
   Unix SMB/CIFS implementation.
   Portable SMB ACL interface
   Copyright (C) Jeremy Allison 2000
   
   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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _SMB_ACLS_H
#define _SMB_ACLS_H

struct vfs_handle_struct;
struct files_struct;

typedef int			SMB_ACL_TYPE_T;
typedef mode_t			*SMB_ACL_PERMSET_T;
typedef mode_t			SMB_ACL_PERM_T;
#define SMB_ACL_READ 				4
#define SMB_ACL_WRITE 				2
#define SMB_ACL_EXECUTE				1

/* Types of ACLs. */
enum smb_acl_tag_t {
	SMB_ACL_TAG_INVALID=0,
	SMB_ACL_USER=1,
	SMB_ACL_USER_OBJ,
	SMB_ACL_GROUP,
	SMB_ACL_GROUP_OBJ,
	SMB_ACL_OTHER,
	SMB_ACL_MASK
};

typedef enum smb_acl_tag_t SMB_ACL_TAG_T;

struct smb_acl_entry {
	enum smb_acl_tag_t a_type;
	SMB_ACL_PERM_T a_perm;
	uid_t uid;
	gid_t gid;
};

typedef struct smb_acl_t {
	int	size;
	int	count;
	int	next;
	struct smb_acl_entry acl[1];
} *SMB_ACL_T;

typedef struct smb_acl_entry 	*SMB_ACL_ENTRY_T;

#define SMB_ACL_FIRST_ENTRY			0
#define SMB_ACL_NEXT_ENTRY			1

#define SMB_ACL_TYPE_ACCESS			0
#define SMB_ACL_TYPE_DEFAULT		1

/* The following definitions come from lib/sysacls.c  */

int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p);
int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p);
int sys_acl_get_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d);
int sys_acl_clear_perms(SMB_ACL_PERMSET_T permset_d);
int sys_acl_add_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm);
int sys_acl_get_perm(SMB_ACL_PERMSET_T permset_d, SMB_ACL_PERM_T perm);
char *sys_acl_to_text(const struct smb_acl_t *acl_d, ssize_t *len_p);
SMB_ACL_T sys_acl_init(int count);
int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p);
int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type);
int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p);
int sys_acl_set_permset(SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T permset_d);
int sys_acl_free_text(char *text);
int sys_acl_free_acl(SMB_ACL_T acl_d) ;
int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype);
int sys_acl_valid(SMB_ACL_T acl_d);
SMB_ACL_T sys_acl_get_file(struct vfs_handle_struct *handle,
			   const char *path_p, SMB_ACL_TYPE_T type);
SMB_ACL_T sys_acl_get_fd(struct vfs_handle_struct *handle, struct files_struct *fsp);
int sys_acl_set_file(struct vfs_handle_struct *handle,
		     const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d);
int sys_acl_set_fd(struct vfs_handle_struct *handle, struct files_struct *fsp,
		   SMB_ACL_T acl_d);
int sys_acl_delete_def_file(struct vfs_handle_struct *handle,
			    const char *path);
int no_acl_syscall_error(int err);

#endif /* _SMB_ACLS_H */