xattr.c (d475a507457b5cafa428871a473d0dcc828c5f68) xattr.c (43b113fea2d427e17e7663494fc70c4e93e83d5e)
1/*
2 * This file is part of UBIFS.
3 *
4 * Copyright (C) 2006-2008 Nokia Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.

--- 383 unchanged lines hidden (view full) ---

392out_iput:
393 mutex_unlock(&ui->ui_mutex);
394 iput(inode);
395out_unlock:
396 kfree(xent);
397 return err;
398}
399
1/*
2 * This file is part of UBIFS.
3 *
4 * Copyright (C) 2006-2008 Nokia Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.

--- 383 unchanged lines hidden (view full) ---

392out_iput:
393 mutex_unlock(&ui->ui_mutex);
394 iput(inode);
395out_unlock:
396 kfree(xent);
397 return err;
398}
399
400static bool xattr_visible(const char *name)
401{
402 /* File encryption related xattrs are for internal use only */
403 if (strcmp(name, UBIFS_XATTR_NAME_ENCRYPTION_CONTEXT) == 0)
404 return false;
405
406 /* Show trusted namespace only for "power" users */
407 if (strncmp(name, XATTR_TRUSTED_PREFIX,
408 XATTR_TRUSTED_PREFIX_LEN) == 0 && !capable(CAP_SYS_ADMIN))
409 return false;
410
411 return true;
412}
413
400ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size)
401{
402 union ubifs_key key;
403 struct inode *host = d_inode(dentry);
404 struct ubifs_info *c = host->i_sb->s_fs_info;
405 struct ubifs_inode *host_ui = ubifs_inode(host);
406 struct ubifs_dent_node *xent, *pxent = NULL;
407 int err, len, written = 0;

--- 19 unchanged lines hidden (view full) ---

427 if (IS_ERR(xent)) {
428 err = PTR_ERR(xent);
429 break;
430 }
431
432 nm.name = xent->name;
433 nm.len = le16_to_cpu(xent->nlen);
434
414ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size)
415{
416 union ubifs_key key;
417 struct inode *host = d_inode(dentry);
418 struct ubifs_info *c = host->i_sb->s_fs_info;
419 struct ubifs_inode *host_ui = ubifs_inode(host);
420 struct ubifs_dent_node *xent, *pxent = NULL;
421 int err, len, written = 0;

--- 19 unchanged lines hidden (view full) ---

441 if (IS_ERR(xent)) {
442 err = PTR_ERR(xent);
443 break;
444 }
445
446 nm.name = xent->name;
447 nm.len = le16_to_cpu(xent->nlen);
448
435 /* Show trusted namespace only for "power" users */
436 if (strncmp(xent->name, XATTR_TRUSTED_PREFIX,
437 XATTR_TRUSTED_PREFIX_LEN) ||
438 capable(CAP_SYS_ADMIN)) {
449 if (xattr_visible(xent->name)) {
439 memcpy(buffer + written, nm.name, nm.len + 1);
440 written += nm.len + 1;
441 }
442
443 kfree(pxent);
444 pxent = xent;
445 key_read(c, &xent->key, &key);
446 }

--- 190 unchanged lines hidden --- 		450 memcpy(buffer + written, nm.name, nm.len + 1);
451 written += nm.len + 1;
452 }
453
454 kfree(pxent);
455 pxent = xent;
456 key_read(c, &xent->key, &key);
457 }

--- 190 unchanged lines hidden ---