mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
825a992a62
Allows disabling validation of AfpInfo stream data. It seems in data migration scenarios from other SMB servers to Samba with fruit, somehow such invalid streams are present on the source SMB server and can't be copied to Samba. Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
193 lines
6.4 KiB
C
193 lines
6.4 KiB
C
/*
|
|
* Samba AppleDouble helpers
|
|
*
|
|
* Copyright (C) Ralph Boehme, 2019
|
|
*
|
|
* 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 _ADOUBLE_H_
|
|
#define _ADOUBLE_H_
|
|
|
|
#include "MacExtensions.h"
|
|
|
|
#define ADOUBLE_NAME_PREFIX "._"
|
|
|
|
#define NETATALK_META_XATTR "org.netatalk.Metadata"
|
|
#define NETATALK_RSRC_XATTR "org.netatalk.ResourceFork"
|
|
|
|
#if defined(HAVE_ATTROPEN)
|
|
#define AFPINFO_EA_NETATALK NETATALK_META_XATTR
|
|
#define AFPRESOURCE_EA_NETATALK NETATALK_RSRC_XATTR
|
|
#else
|
|
#define AFPINFO_EA_NETATALK "user." NETATALK_META_XATTR
|
|
#define AFPRESOURCE_EA_NETATALK "user." NETATALK_RSRC_XATTR
|
|
#endif
|
|
|
|
/*
|
|
* There are two AppleDouble blobs we deal with:
|
|
*
|
|
* - ADOUBLE_META - AppleDouble blob used by Netatalk for storing
|
|
* metadata in an xattr
|
|
*
|
|
* - ADOUBLE_RSRC - AppleDouble blob used by OS X and Netatalk in
|
|
* ._ files
|
|
*/
|
|
typedef enum {ADOUBLE_META, ADOUBLE_RSRC} adouble_type_t;
|
|
|
|
/* Version info */
|
|
#define AD_VERSION2 0x00020000
|
|
#define AD_VERSION AD_VERSION2
|
|
|
|
/*
|
|
* AppleDouble entry IDs.
|
|
*/
|
|
#define ADEID_DFORK 1
|
|
#define ADEID_RFORK 2
|
|
#define ADEID_NAME 3
|
|
#define ADEID_COMMENT 4
|
|
#define ADEID_ICONBW 5
|
|
#define ADEID_ICONCOL 6
|
|
#define ADEID_FILEI 7
|
|
#define ADEID_FILEDATESI 8
|
|
#define ADEID_FINDERI 9
|
|
#define ADEID_MACFILEI 10
|
|
#define ADEID_PRODOSFILEI 11
|
|
#define ADEID_MSDOSFILEI 12
|
|
#define ADEID_SHORTNAME 13
|
|
#define ADEID_AFPFILEI 14
|
|
#define ADEID_DID 15
|
|
|
|
/* Private Netatalk entries */
|
|
#define ADEID_PRIVDEV 16
|
|
#define ADEID_PRIVINO 17
|
|
#define ADEID_PRIVSYN 18
|
|
#define ADEID_PRIVID 19
|
|
#define ADEID_MAX (ADEID_PRIVID + 1)
|
|
|
|
/*
|
|
* These are the real ids for the private entries,
|
|
* as stored in the adouble file
|
|
*/
|
|
#define AD_DEV 0x80444556
|
|
#define AD_INO 0x80494E4F
|
|
#define AD_SYN 0x8053594E
|
|
#define AD_ID 0x8053567E
|
|
|
|
/* AppleDouble magic */
|
|
#define AD_APPLESINGLE_MAGIC 0x00051600
|
|
#define AD_APPLEDOUBLE_MAGIC 0x00051607
|
|
#define AD_MAGIC AD_APPLEDOUBLE_MAGIC
|
|
|
|
/* Field widths */
|
|
#define ADEDLEN_NAME 255
|
|
#define ADEDLEN_COMMENT 200
|
|
#define ADEDLEN_FILEI 16
|
|
#define ADEDLEN_FINDERI 32
|
|
#define ADEDLEN_FILEDATESI 16
|
|
#define ADEDLEN_SHORTNAME 12 /* length up to 8.3 */
|
|
#define ADEDLEN_AFPFILEI 4
|
|
#define ADEDLEN_MACFILEI 4
|
|
#define ADEDLEN_PRODOSFILEI 8
|
|
#define ADEDLEN_MSDOSFILEI 2
|
|
#define ADEDLEN_ICONBW 128
|
|
#define ADEDLEN_ICONCOL 1024
|
|
#define ADEDLEN_DID 4
|
|
#define ADEDLEN_PRIVDEV 8
|
|
#define ADEDLEN_PRIVINO 8
|
|
#define ADEDLEN_PRIVSYN 8
|
|
#define ADEDLEN_PRIVID 4
|
|
|
|
/*
|
|
* Sharemode locks fcntl() offsets
|
|
*/
|
|
#if _FILE_OFFSET_BITS == 64 || defined(HAVE_LARGEFILE)
|
|
#define AD_FILELOCK_BASE (UINT64_C(0x7FFFFFFFFFFFFFFF) - 9)
|
|
#else
|
|
#define AD_FILELOCK_BASE (UINT32_C(0x7FFFFFFF) - 9)
|
|
#endif
|
|
#define BYTELOCK_MAX (AD_FILELOCK_BASE - 1)
|
|
|
|
#define AD_FILELOCK_OPEN_WR (AD_FILELOCK_BASE + 0)
|
|
#define AD_FILELOCK_OPEN_RD (AD_FILELOCK_BASE + 1)
|
|
#define AD_FILELOCK_RSRC_OPEN_WR (AD_FILELOCK_BASE + 2)
|
|
#define AD_FILELOCK_RSRC_OPEN_RD (AD_FILELOCK_BASE + 3)
|
|
#define AD_FILELOCK_DENY_WR (AD_FILELOCK_BASE + 4)
|
|
#define AD_FILELOCK_DENY_RD (AD_FILELOCK_BASE + 5)
|
|
#define AD_FILELOCK_RSRC_DENY_WR (AD_FILELOCK_BASE + 6)
|
|
#define AD_FILELOCK_RSRC_DENY_RD (AD_FILELOCK_BASE + 7)
|
|
#define AD_FILELOCK_OPEN_NONE (AD_FILELOCK_BASE + 8)
|
|
#define AD_FILELOCK_RSRC_OPEN_NONE (AD_FILELOCK_BASE + 9)
|
|
|
|
/* Time stuff we overload the bits a little */
|
|
#define AD_DATE_CREATE 0
|
|
#define AD_DATE_MODIFY 4
|
|
#define AD_DATE_BACKUP 8
|
|
#define AD_DATE_ACCESS 12
|
|
#define AD_DATE_MASK (AD_DATE_CREATE | AD_DATE_MODIFY | \
|
|
AD_DATE_BACKUP | AD_DATE_ACCESS)
|
|
#define AD_DATE_UNIX (1 << 10)
|
|
#define AD_DATE_START 0x80000000
|
|
#define AD_DATE_DELTA 946684800
|
|
#define AD_DATE_FROM_UNIX(x) (htonl((x) - AD_DATE_DELTA))
|
|
#define AD_DATE_TO_UNIX(x) (ntohl(x) + AD_DATE_DELTA)
|
|
|
|
#define AD_CONV_WIPE_BLANK (1<<0)
|
|
#define AD_CONV_DELETE (1<<1)
|
|
|
|
struct adouble;
|
|
|
|
size_t ad_getentrylen(const struct adouble *ad, int eid);
|
|
size_t ad_getentryoff(const struct adouble *ad, int eid);
|
|
size_t ad_setentrylen(struct adouble *ad, int eid, size_t len);
|
|
size_t ad_setentryoff(struct adouble *ad, int eid, size_t off);
|
|
char *ad_get_entry(const struct adouble *ad, int eid);
|
|
int ad_getdate(const struct adouble *ad, unsigned int dateoff, uint32_t *date);
|
|
int ad_setdate(struct adouble *ad, unsigned int dateoff, uint32_t date);
|
|
int ad_convert(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
const char *catia_mappings,
|
|
uint32_t flags);
|
|
bool ad_unconvert(TALLOC_CTX *mem_ctx,
|
|
struct vfs_handle_struct *handle,
|
|
const char *catia_mappings,
|
|
struct smb_filename *smb_fname,
|
|
bool *converted);
|
|
struct adouble *ad_init(TALLOC_CTX *ctx, adouble_type_t type);
|
|
NTSTATUS adouble_open_from_base_fsp(const struct files_struct *dirfsp,
|
|
struct files_struct *base_fsp,
|
|
adouble_type_t type,
|
|
int flags,
|
|
mode_t mode,
|
|
struct files_struct **_ad_fsp);
|
|
struct adouble *ad_get(TALLOC_CTX *ctx,
|
|
vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
adouble_type_t type);
|
|
struct adouble *ad_fget(TALLOC_CTX *ctx, vfs_handle_struct *handle,
|
|
files_struct *fsp, adouble_type_t type);
|
|
int ad_fset(struct vfs_handle_struct *handle,
|
|
struct adouble *ad,
|
|
files_struct *fsp);
|
|
bool is_adouble_file(const char *path);
|
|
int adouble_path(TALLOC_CTX *ctx,
|
|
const struct smb_filename *smb_fname_in,
|
|
struct smb_filename **pp_smb_fname_out);
|
|
|
|
AfpInfo *afpinfo_new(TALLOC_CTX *ctx);
|
|
ssize_t afpinfo_pack(const AfpInfo *ai, char *buf);
|
|
AfpInfo *afpinfo_unpack(TALLOC_CTX *ctx, const void *data, bool validate);
|
|
|
|
#endif
|