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eCryptfs: Print FNEK sig properly in /proc/mounts

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The filename encryption key signature is not properly displayed in
/proc/mounts.  The "ecryptfs_sig=" mount option name is displayed for
all global authentication tokens, included those for filename keys.

This patch checks the global authentication token flags to determine if
the key is a FEKEK or FNEK and prints the appropriate mount option name
before the signature.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
This commit is contained in:
Tyler Hicks 2009-03-16 12:35:12 -05:00
parent 57ea34d199
commit 3a5203ab3c
1 changed files with 4 additions and 1 deletions
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5
fs/ecryptfs/super.c
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@ -170,7 +170,10 @@ static int ecryptfs_show_options(struct seq_file *m, struct vfsmount *mnt)
list_for_each_entry(walker,
&mount_crypt_stat->global_auth_tok_list,
mount_crypt_stat_list) {
seq_printf(m, ",ecryptfs_sig=%s", walker->sig);
if (walker->flags & ECRYPTFS_AUTH_TOK_FNEK)
seq_printf(m, ",ecryptfs_fnek_sig=%s", walker->sig);
else
seq_printf(m, ",ecryptfs_sig=%s", walker->sig);
}
mutex_unlock(&mount_crypt_stat->global_auth_tok_list_mutex);