From 62de25927a2558324f2f425545cdc90682168ca9 Mon Sep 17 00:00:00 2001 From: Eric Biggers Date: Sun, 4 Aug 2019 19:35:49 -0700 Subject: ubifs: wire up new fscrypt ioctls Wire up the new ioctls for adding and removing fscrypt keys to/from the filesystem, and the new ioctl for retrieving v2 encryption policies. The key removal ioctls also required making UBIFS use fscrypt_drop_inode(). For more details see Documentation/filesystems/fscrypt.rst and the fscrypt patches that added the implementation of these ioctls. Reviewed-by: Theodore Ts'o Signed-off-by: Eric Biggers --- fs/ubifs/ioctl.c | 20 ++++++++++++++++++++ fs/ubifs/super.c | 11 +++++++++++ 2 files changed, 31 insertions(+) (limited to 'fs/ubifs') diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c index 034ad14710d1..5dc5abca11c7 100644 --- a/fs/ubifs/ioctl.c +++ b/fs/ubifs/ioctl.c @@ -185,6 +185,21 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case FS_IOC_GET_ENCRYPTION_POLICY: return fscrypt_ioctl_get_policy(file, (void __user *)arg); + case FS_IOC_GET_ENCRYPTION_POLICY_EX: + return fscrypt_ioctl_get_policy_ex(file, (void __user *)arg); + + case FS_IOC_ADD_ENCRYPTION_KEY: + return fscrypt_ioctl_add_key(file, (void __user *)arg); + + case FS_IOC_REMOVE_ENCRYPTION_KEY: + return fscrypt_ioctl_remove_key(file, (void __user *)arg); + + case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS: + return fscrypt_ioctl_remove_key_all_users(file, + (void __user *)arg); + case FS_IOC_GET_ENCRYPTION_KEY_STATUS: + return fscrypt_ioctl_get_key_status(file, (void __user *)arg); + default: return -ENOTTY; } @@ -202,6 +217,11 @@ long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) break; case FS_IOC_SET_ENCRYPTION_POLICY: case FS_IOC_GET_ENCRYPTION_POLICY: + case FS_IOC_GET_ENCRYPTION_POLICY_EX: + case FS_IOC_ADD_ENCRYPTION_KEY: + case FS_IOC_REMOVE_ENCRYPTION_KEY: + case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS: + case FS_IOC_GET_ENCRYPTION_KEY_STATUS: break; default: return -ENOIOCTLCMD; diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 2c0803b0ac3a..3ad6620f14fb 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -318,6 +318,16 @@ static int ubifs_write_inode(struct inode *inode, struct writeback_control *wbc) return err; } +static int ubifs_drop_inode(struct inode *inode) +{ + int drop = generic_drop_inode(inode); + + if (!drop) + drop = fscrypt_drop_inode(inode); + + return drop; +} + static void ubifs_evict_inode(struct inode *inode) { int err; @@ -1990,6 +2000,7 @@ const struct super_operations ubifs_super_operations = { .free_inode = ubifs_free_inode, .put_super = ubifs_put_super, .write_inode = ubifs_write_inode, + .drop_inode = ubifs_drop_inode, .evict_inode = ubifs_evict_inode, .statfs = ubifs_statfs, .dirty_inode = ubifs_dirty_inode, -- cgit v1.2.3-59-g8ed1b