From 32d639c66e04149d490093f8b4b49cb922bfe294 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Tue, 7 Feb 2012 16:32:04 -0800 Subject: userns: Convert gadgetfs to use kuid and kgid where appropriate Acked-by: Greg Kroah-Hartman Acked-by: Felipe Balbi Acked-by: Serge Hallyn Signed-off-by: Eric W. Biederman --- drivers/usb/gadget/inode.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/usb') diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index e58b16442971..7bd36c80be5f 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1988,8 +1988,8 @@ gadgetfs_make_inode (struct super_block *sb, if (inode) { inode->i_ino = get_next_ino(); inode->i_mode = mode; - inode->i_uid = default_uid; - inode->i_gid = default_gid; + inode->i_uid = make_kuid(&init_user_ns, default_uid); + inode->i_gid = make_kgid(&init_user_ns, default_gid); inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_private = data; -- cgit v1.2.3-70-g09d2 From b9b73f7c4d45d69289aa16620b04430068dd3941 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Thu, 14 Jun 2012 01:19:23 -0700 Subject: userns: Convert usb functionfs to use kuid/kgid where appropriate Acked-by: Greg Kroah-Hartman Acked-by: Felipe Balbi Acked-by: Serge Hallyn Signed-off-by: Eric W. Biederman --- drivers/usb/gadget/f_fs.c | 23 ++++++++++++++++------- init/Kconfig | 1 - 2 files changed, 16 insertions(+), 8 deletions(-) (limited to 'drivers/usb') diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 8adc79d1b402..f9ee4e08a4a8 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -220,8 +220,8 @@ struct ffs_data { /* File permissions, written once when fs is mounted */ struct ffs_file_perms { umode_t mode; - uid_t uid; - gid_t gid; + kuid_t uid; + kgid_t gid; } file_perms; /* @@ -1143,10 +1143,19 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts) break; case 3: - if (!memcmp(opts, "uid", 3)) - data->perms.uid = value; + if (!memcmp(opts, "uid", 3)) { + data->perms.uid = make_kuid(current_user_ns(), value); + if (!uid_valid(data->perms.uid)) { + pr_err("%s: unmapped value: %lu\n", opts, value); + return -EINVAL; + } + } else if (!memcmp(opts, "gid", 3)) - data->perms.gid = value; + data->perms.gid = make_kgid(current_user_ns(), value); + if (!gid_valid(data->perms.gid)) { + pr_err("%s: unmapped value: %lu\n", opts, value); + return -EINVAL; + } else goto invalid; break; @@ -1175,8 +1184,8 @@ ffs_fs_mount(struct file_system_type *t, int flags, struct ffs_sb_fill_data data = { .perms = { .mode = S_IFREG | 0600, - .uid = 0, - .gid = 0 + .uid = GLOBAL_ROOT_UID, + .gid = GLOBAL_ROOT_GID, }, .root_mode = S_IFDIR | 0500, }; diff --git a/init/Kconfig b/init/Kconfig index 633bde28c8ce..e7e0cc15ef68 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -932,7 +932,6 @@ config UIDGID_CONVERTED depends on NET_9P = n # Filesystems - depends on USB_FUNCTIONFS = n depends on DEVTMPFS = n depends on XENFS = n -- cgit v1.2.3-70-g09d2