diff options
Diffstat (limited to 'fs/ecryptfs/file.c')
| -rw-r--r-- | fs/ecryptfs/file.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 779c3477d93c..f22c3a73485c 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -3,7 +3,7 @@ * * Copyright (C) 1997-2004 Erez Zadok * Copyright (C) 2001-2004 Stony Brook University - * Copyright (C) 2004-2006 International Business Machines Corp. + * Copyright (C) 2004-2007 International Business Machines Corp. * Author(s): Michael A. Halcrow <mhalcrow@us.ibm.com> * Michael C. Thompson <mcthomps@us.ibm.com> * @@ -293,26 +293,11 @@ static int ecryptfs_open(struct inode *inode, struct file *file) goto out; } mutex_lock(&crypt_stat->cs_mutex); - if (i_size_read(lower_inode) < ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE) { - if (!(mount_crypt_stat->flags - & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) { - rc = -EIO; - printk(KERN_WARNING "Attempt to read file that is " - "not in a valid eCryptfs format, and plaintext " - "passthrough mode is not enabled; returning " - "-EIO\n"); - mutex_unlock(&crypt_stat->cs_mutex); - goto out_puts; - } - crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED); - rc = 0; - mutex_unlock(&crypt_stat->cs_mutex); - goto out; - } else if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, - ECRYPTFS_POLICY_APPLIED) - || !ECRYPTFS_CHECK_FLAG(crypt_stat->flags, - ECRYPTFS_KEY_VALID)) { - rc = ecryptfs_read_headers(ecryptfs_dentry, lower_file); + if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, + ECRYPTFS_POLICY_APPLIED) + || !ECRYPTFS_CHECK_FLAG(crypt_stat->flags, + ECRYPTFS_KEY_VALID)) { + rc = ecryptfs_read_metadata(ecryptfs_dentry, lower_file); if (rc) { ecryptfs_printk(KERN_DEBUG, "Valid headers not found\n"); |