version 1.1.1.2, 2013/10/14 07:51:14
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version 1.1.1.4, 2021/03/17 00:32:36
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* Extended attribute support for rsync. |
* Extended attribute support for rsync. |
* |
* |
* Copyright (C) 2004 Red Hat, Inc. |
* Copyright (C) 2004 Red Hat, Inc. |
* Copyright (C) 2003-2008 Wayne Davison | * Copyright (C) 2003-2019 Wayne Davison |
* Written by Jay Fenlason. |
* Written by Jay Fenlason. |
* |
* |
* This program is free software; you can redistribute it and/or modify |
* This program is free software; you can redistribute it and/or modify |
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#include "rsync.h" |
#include "rsync.h" |
#include "sysxattrs.h" |
#include "sysxattrs.h" |
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extern int preserve_hfs_compression; |
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#ifdef SUPPORT_XATTRS |
#ifdef SUPPORT_XATTRS |
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#ifdef HAVE_OSX_XATTRS |
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#ifndef XATTR_SHOWCOMPRESSION |
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#define XATTR_SHOWCOMPRESSION 0x0020 |
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#endif |
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#define GETXATTR_FETCH_LIMIT (64*1024*1024) |
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int xattr_options = XATTR_NOFOLLOW; |
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#endif |
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#if defined HAVE_LINUX_XATTRS |
#if defined HAVE_LINUX_XATTRS |
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ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
Line 55 ssize_t sys_llistxattr(const char *path, char *list, s
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Line 66 ssize_t sys_llistxattr(const char *path, char *list, s
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ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
{ |
{ |
return getxattr(path, name, value, size, 0, XATTR_NOFOLLOW); | ssize_t len; |
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| if (preserve_hfs_compression) |
| xattr_options |= XATTR_SHOWCOMPRESSION; |
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| len = getxattr(path, name, value, size, 0, xattr_options); |
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| /* If we're retrieving data, handle resource forks > 64MB specially */ |
| if (value != NULL && len == GETXATTR_FETCH_LIMIT && (size_t)len < size) { |
| /* getxattr will only return 64MB of data at a time, need to call again with a new offset */ |
| u_int32_t offset = len; |
| size_t data_retrieved = len; |
| while (data_retrieved < size) { |
| len = getxattr(path, name, value + offset, size - data_retrieved, offset, xattr_options); |
| if (len <= 0) |
| break; |
| data_retrieved += len; |
| offset += (u_int32_t)len; |
| } |
| len = data_retrieved; |
| } |
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| return len; |
} |
} |
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ssize_t sys_fgetxattr(int filedes, const char *name, void *value, size_t size) |
ssize_t sys_fgetxattr(int filedes, const char *name, void *value, size_t size) |
Line 70 int sys_lsetxattr(const char *path, const char *name,
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Line 103 int sys_lsetxattr(const char *path, const char *name,
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int sys_lremovexattr(const char *path, const char *name) |
int sys_lremovexattr(const char *path, const char *name) |
{ |
{ |
return removexattr(path, name, XATTR_NOFOLLOW); | if (preserve_hfs_compression) |
| xattr_options |= XATTR_SHOWCOMPRESSION; |
| return removexattr(path, name, xattr_options); |
} |
} |
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ssize_t sys_llistxattr(const char *path, char *list, size_t size) |
ssize_t sys_llistxattr(const char *path, char *list, size_t size) |
{ |
{ |
return listxattr(path, list, size, XATTR_NOFOLLOW); | if (preserve_hfs_compression) |
| xattr_options |= XATTR_SHOWCOMPRESSION; |
| return listxattr(path, list, size, xattr_options); |
} |
} |
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#elif HAVE_FREEBSD_XATTRS |
#elif HAVE_FREEBSD_XATTRS |