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nfs4_acls.h
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/*
* NFS4 ACL handling
*
* Copyright (C) Jim McDonough, 2006
* Reused & renamed some parts of AIX 5.3 sys/acl.h structures
*
* 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 __NFS4_ACLS_H__
#define __NFS4_ACLS_H__
#define SMB_ACLTYPE_NONE 0
#define SMB_ACLTYPE_UNKNOWN 1
#define SMB_ACLTYPE_POSIX 2
#define SMB_ACLTYPE_NFS4 4
/*
* Following union captures the identity as
* used in the NFS4 ACL structures.
*/
typedef union _SMB_NFS4_ACEWHOID_T {
uid_t uid; /* User id */
gid_t gid; /* Group id */
uint32_t special_id; /* Identifies special identities in NFS4 */
#define SMB_ACE4_WHO_OWNER 0x00000001 /*The owner of the file. */
#define SMB_ACE4_WHO_GROUP 0x00000002 /*The group associated with the file. */
#define SMB_ACE4_WHO_EVERYONE 0x00000003 /*The world. */
#define SMB_ACE4_WHO_INTERACTIVE 0x00000004 /*Accessed from an interactive terminal. */
#define SMB_ACE4_WHO_NETWORK 0x00000005 /*Accessed via the network. */
#define SMB_ACE4_WHO_DIALUP 0x00000006 /*Accessed as a dialup user to the server. */
#define SMB_ACE4_WHO_BATCH 0x00000007 /*Accessed from a batch job. */
#define SMB_ACE4_WHO_ANONYMOUS 0x00000008 /*Accessed without any authentication. */
#define SMB_ACE4_WHO_AUTHENTICATED 0x00000009 /*Any authenticated user (opposite of ANONYMOUS) */
#define SMB_ACE4_WHO_SERVICE 0x0000000A /*Access from a system service. */
#define SMB_ACE4_WHO_MAX SMB_ACE4_WHO_SERVICE /* largest valid ACE4_WHO */
uint32_t id;
} SMB_NFS4_ACEWHOID_T;
typedef struct _SMB_ACE4PROP_T {
uint32_t flags; /* Bit mask defining details of ACE */
/*The following are constants for flags field */
/* #define SMB_ACE4_ID_NOT_VALID 0x00000001 - from aix/jfs2 */
#define SMB_ACE4_ID_SPECIAL 0x00000002
SMB_NFS4_ACEWHOID_T who; /* Identifies to whom this ACE applies */
/* The following part of ACE has the same layout as NFSv4 wire format. */
uint32_t aceType; /* Type of ACE PERMIT/ALLOW etc*/
/*The constants used for the type field (acetype4) are as follows: */
#define SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE 0x00000000
#define SMB_ACE4_ACCESS_DENIED_ACE_TYPE 0x00000001
#define SMB_ACE4_SYSTEM_AUDIT_ACE_TYPE 0x00000002
#define SMB_ACE4_SYSTEM_ALARM_ACE_TYPE 0x00000003
#define SMB_ACE4_MAX_TYPE SMB_ACE4_SYSTEM_ALARM_ACE_TYPE /* largest valid ACE4_TYPE */
uint32_t aceFlags; /* Controls Inheritance and such */
/*The bitmask constants used for the flag field are as follows: */
#define SMB_ACE4_FILE_INHERIT_ACE 0x00000001
#define SMB_ACE4_DIRECTORY_INHERIT_ACE 0x00000002
#define SMB_ACE4_NO_PROPAGATE_INHERIT_ACE 0x00000004
#define SMB_ACE4_INHERIT_ONLY_ACE 0x00000008
#define SMB_ACE4_SUCCESSFUL_ACCESS_ACE_FLAG 0x00000010
#define SMB_ACE4_FAILED_ACCESS_ACE_FLAG 0x00000020
#define SMB_ACE4_IDENTIFIER_GROUP 0x00000040
#define SMB_ACE4_INHERITED_ACE 0x00000080
#define SMB_ACE4_ALL_FLAGS ( SMB_ACE4_FILE_INHERIT_ACE | SMB_ACE4_DIRECTORY_INHERIT_ACE \
| SMB_ACE4_NO_PROPAGATE_INHERIT_ACE | SMB_ACE4_INHERIT_ONLY_ACE | SMB_ACE4_SUCCESSFUL_ACCESS_ACE_FLAG \
| SMB_ACE4_FAILED_ACCESS_ACE_FLAG | SMB_ACE4_IDENTIFIER_GROUP | SMB_ACE4_INHERITED_ACE)
uint32_t aceMask; /* Access rights */
/*The bitmask constants used for the access mask field are as follows: */
#define SMB_ACE4_READ_DATA 0x00000001
#define SMB_ACE4_LIST_DIRECTORY 0x00000001
#define SMB_ACE4_WRITE_DATA 0x00000002
#define SMB_ACE4_ADD_FILE 0x00000002
#define SMB_ACE4_APPEND_DATA 0x00000004
#define SMB_ACE4_ADD_SUBDIRECTORY 0x00000004
#define SMB_ACE4_READ_NAMED_ATTRS 0x00000008
#define SMB_ACE4_WRITE_NAMED_ATTRS 0x00000010
#define SMB_ACE4_EXECUTE 0x00000020
#define SMB_ACE4_DELETE_CHILD 0x00000040
#define SMB_ACE4_READ_ATTRIBUTES 0x00000080
#define SMB_ACE4_WRITE_ATTRIBUTES 0x00000100
#define SMB_ACE4_DELETE 0x00010000
#define SMB_ACE4_READ_ACL 0x00020000
#define SMB_ACE4_WRITE_ACL 0x00040000
#define SMB_ACE4_WRITE_OWNER 0x00080000
#define SMB_ACE4_SYNCHRONIZE 0x00100000
#define SMB_ACE4_ALL_MASKS ( SMB_ACE4_READ_DATA | SMB_ACE4_LIST_DIRECTORY \
| SMB_ACE4_WRITE_DATA | SMB_ACE4_ADD_FILE | SMB_ACE4_APPEND_DATA | SMB_ACE4_ADD_SUBDIRECTORY \
| SMB_ACE4_READ_NAMED_ATTRS | SMB_ACE4_WRITE_NAMED_ATTRS | SMB_ACE4_EXECUTE | SMB_ACE4_DELETE_CHILD \
| SMB_ACE4_READ_ATTRIBUTES | SMB_ACE4_WRITE_ATTRIBUTES | SMB_ACE4_DELETE | SMB_ACE4_READ_ACL \
| SMB_ACE4_WRITE_ACL | SMB_ACE4_WRITE_OWNER | SMB_ACE4_SYNCHRONIZE )
} SMB_ACE4PROP_T;
struct SMB4ACL_T;
struct SMB4ACE_T;
enum smbacl4_mode_enum {e_simple=0, e_special=1};
enum smbacl4_acedup_enum {e_dontcare=0, e_reject=1, e_ignore=2, e_merge=3};
struct smbacl4_vfs_params {
enum smbacl4_mode_enum mode;
bool do_chown;
enum smbacl4_acedup_enum acedup;
bool map_full_control;
};
int smbacl4_get_vfs_params(struct connection_struct *conn,
struct smbacl4_vfs_params *params);
struct SMB4ACL_T *smb_create_smb4acl(TALLOC_CTX *mem_ctx);
/* prop's contents are copied */
/* it doesn't change the order, appends */
struct SMB4ACE_T *smb_add_ace4(struct SMB4ACL_T *theacl, SMB_ACE4PROP_T *prop);
SMB_ACE4PROP_T *smb_get_ace4(struct SMB4ACE_T *ace);
/* Returns NULL if none - or error */
struct SMB4ACE_T *smb_first_ace4(struct SMB4ACL_T *theacl);
/* Returns NULL in the end - or error */
struct SMB4ACE_T *smb_next_ace4(struct SMB4ACE_T *ace);
uint32_t smb_get_naces(struct SMB4ACL_T *theacl);
uint16_t smbacl4_get_controlflags(struct SMB4ACL_T *theacl);
bool smbacl4_set_controlflags(struct SMB4ACL_T *theacl, uint16_t controlflags);
NTSTATUS smb_fget_nt_acl_nfs4(files_struct *fsp,
const struct smbacl4_vfs_params *pparams,
uint32_t security_info,
TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc, struct SMB4ACL_T *theacl);
NTSTATUS smb_get_nt_acl_nfs4(connection_struct *conn,
const struct smb_filename *smb_fname,
const struct smbacl4_vfs_params *pparams,
uint32_t security_info,
TALLOC_CTX *mem_ctx,
struct security_descriptor **ppdesc, struct SMB4ACL_T *theacl);
/* Callback function needed to set the native acl
* when applicable */
typedef bool (*set_nfs4acl_native_fn_t)(vfs_handle_struct *handle,
files_struct *,
struct SMB4ACL_T *);
NTSTATUS smb_set_nt_acl_nfs4(vfs_handle_struct *handle, files_struct *fsp,
const struct smbacl4_vfs_params *pparams,
uint32_t security_info_sent,
const struct security_descriptor *psd,
set_nfs4acl_native_fn_t set_nfs4_native);
#endif /* __NFS4_ACLS_H__ */