Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
		
			
				
	
	
		
			56 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * JFFS2 -- Journalling Flash File System, Version 2.
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|  *
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|  * Copyright © 2006  NEC Corporation
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|  *
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|  * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
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|  *
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|  * For licensing information, see the file 'LICENCE' in this directory.
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|  *
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|  */
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| 
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| #include <linux/kernel.h>
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| #include <linux/fs.h>
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| #include <linux/jffs2.h>
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| #include <linux/xattr.h>
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| #include <linux/mtd/mtd.h>
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| #include "nodelist.h"
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| 
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| static int jffs2_trusted_getxattr(struct dentry *dentry, const char *name,
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| 		void *buffer, size_t size, int type)
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| {
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| 	if (!strcmp(name, ""))
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| 		return -EINVAL;
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| 	return do_jffs2_getxattr(dentry->d_inode, JFFS2_XPREFIX_TRUSTED,
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| 				 name, buffer, size);
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| }
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| 
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| static int jffs2_trusted_setxattr(struct dentry *dentry, const char *name,
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| 		const void *buffer, size_t size, int flags, int type)
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| {
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| 	if (!strcmp(name, ""))
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| 		return -EINVAL;
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| 	return do_jffs2_setxattr(dentry->d_inode, JFFS2_XPREFIX_TRUSTED,
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| 				 name, buffer, size, flags);
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| }
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| 
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| static size_t jffs2_trusted_listxattr(struct dentry *dentry, char *list,
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| 		size_t list_size, const char *name, size_t name_len, int type)
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| {
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| 	size_t retlen = XATTR_TRUSTED_PREFIX_LEN + name_len + 1;
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| 
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| 	if (list && retlen<=list_size) {
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| 		strcpy(list, XATTR_TRUSTED_PREFIX);
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| 		strcpy(list + XATTR_TRUSTED_PREFIX_LEN, name);
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| 	}
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| 
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| 	return retlen;
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| }
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| 
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| const struct xattr_handler jffs2_trusted_xattr_handler = {
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| 	.prefix = XATTR_TRUSTED_PREFIX,
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| 	.list = jffs2_trusted_listxattr,
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| 	.set = jffs2_trusted_setxattr,
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| 	.get = jffs2_trusted_getxattr
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| };
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