inode.c (e219aafe50fd546b8686582ddbafd24c3c2eda04) inode.c (fceef393a538134f03b778c5d2519e670269342f)
1/**
2 * eCryptfs: Linux filesystem encryption layer
3 *
4 * Copyright (C) 1997-2004 Erez Zadok
5 * Copyright (C) 2001-2004 Stony Brook University
6 * Copyright (C) 2004-2007 International Business Machines Corp.
7 * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com>
8 * Michael C. Thompsion <mcthomps@us.ibm.com>

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669 goto out;
670 rc = ecryptfs_decode_and_decrypt_filename(&buf, bufsiz, dentry->d_sb,
671 lower_buf, rc);
672out:
673 kfree(lower_buf);
674 return rc ? ERR_PTR(rc) : buf;
675}
676
1/**
2 * eCryptfs: Linux filesystem encryption layer
3 *
4 * Copyright (C) 1997-2004 Erez Zadok
5 * Copyright (C) 2001-2004 Stony Brook University
6 * Copyright (C) 2004-2007 International Business Machines Corp.
7 * Author(s): Michael A. Halcrow <mahalcro@us.ibm.com>
8 * Michael C. Thompsion <mcthomps@us.ibm.com>

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669 goto out;
670 rc = ecryptfs_decode_and_decrypt_filename(&buf, bufsiz, dentry->d_sb,
671 lower_buf, rc);
672out:
673 kfree(lower_buf);
674 return rc ? ERR_PTR(rc) : buf;
675}
676
677static const char *ecryptfs_follow_link(struct dentry *dentry, void **cookie)
677static const char *ecryptfs_get_link(struct dentry *dentry,
678 struct inode *inode,
679 struct delayed_call *done)
678{
679 size_t len;
680{
681 size_t len;
680 char *buf = ecryptfs_readlink_lower(dentry, &len);
682 char *buf;
683
684 if (!dentry)
685 return ERR_PTR(-ECHILD);
686
687 buf = ecryptfs_readlink_lower(dentry, &len);
681 if (IS_ERR(buf))
682 return buf;
683 fsstack_copy_attr_atime(d_inode(dentry),
684 d_inode(ecryptfs_dentry_to_lower(dentry)));
685 buf[len] = '\0';
688 if (IS_ERR(buf))
689 return buf;
690 fsstack_copy_attr_atime(d_inode(dentry),
691 d_inode(ecryptfs_dentry_to_lower(dentry)));
692 buf[len] = '\0';
686 return *cookie = buf;
693 set_delayed_call(done, kfree_link, buf);
694 return buf;
687}
688
689/**
690 * upper_size_to_lower_size
691 * @crypt_stat: Crypt_stat associated with file
692 * @upper_size: Size of the upper file
693 *
694 * Calculate the required size of the lower file based on the

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1090 rc = d_inode(lower_dentry)->i_op->removexattr(lower_dentry, name);
1091 mutex_unlock(&d_inode(lower_dentry)->i_mutex);
1092out:
1093 return rc;
1094}
1095
1096const struct inode_operations ecryptfs_symlink_iops = {
1097 .readlink = generic_readlink,
695}
696
697/**
698 * upper_size_to_lower_size
699 * @crypt_stat: Crypt_stat associated with file
700 * @upper_size: Size of the upper file
701 *
702 * Calculate the required size of the lower file based on the

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1098 rc = d_inode(lower_dentry)->i_op->removexattr(lower_dentry, name);
1099 mutex_unlock(&d_inode(lower_dentry)->i_mutex);
1100out:
1101 return rc;
1102}
1103
1104const struct inode_operations ecryptfs_symlink_iops = {
1105 .readlink = generic_readlink,
1098 .follow_link = ecryptfs_follow_link,
1099 .put_link = kfree_put_link,
1106 .get_link = ecryptfs_get_link,
1100 .permission = ecryptfs_permission,
1101 .setattr = ecryptfs_setattr,
1102 .getattr = ecryptfs_getattr_link,
1103 .setxattr = ecryptfs_setxattr,
1104 .getxattr = ecryptfs_getxattr,
1105 .listxattr = ecryptfs_listxattr,
1106 .removexattr = ecryptfs_removexattr
1107};

--- 28 unchanged lines hidden --- 		1107 .permission = ecryptfs_permission,
1108 .setattr = ecryptfs_setattr,
1109 .getattr = ecryptfs_getattr_link,
1110 .setxattr = ecryptfs_setxattr,
1111 .getxattr = ecryptfs_getxattr,
1112 .listxattr = ecryptfs_listxattr,
1113 .removexattr = ecryptfs_removexattr
1114};

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