+static int
+ncp_get_fs_info(struct ncp_server * server, struct file *file,
+ struct ncp_fs_info __user *arg)
+{
+ struct inode *inode = file->f_dentry->d_inode;
+ struct ncp_fs_info info;
+
+ if ((file_permission(file, MAY_WRITE) != 0)
+ && (current->uid != server->m.mounted_uid)) {
+ return -EACCES;
+ }
+ if (copy_from_user(&info, arg, sizeof(info)))
+ return -EFAULT;
+
+ if (info.version != NCP_GET_FS_INFO_VERSION) {
+ DPRINTK("info.version invalid: %d\n", info.version);
+ return -EINVAL;
+ }
+ /* TODO: info.addr = server->m.serv_addr; */
+ SET_UID(info.mounted_uid, server->m.mounted_uid);
+ info.connection = server->connection;
+ info.buffer_size = server->buffer_size;
+ info.volume_number = NCP_FINFO(inode)->volNumber;
+ info.directory_id = NCP_FINFO(inode)->DosDirNum;
+
+ if (copy_to_user(arg, &info, sizeof(info)))
+ return -EFAULT;
+ return 0;
+}
+
+static int
+ncp_get_fs_info_v2(struct ncp_server * server, struct file *file,
+ struct ncp_fs_info_v2 __user * arg)
+{
+ struct inode *inode = file->f_dentry->d_inode;
+ struct ncp_fs_info_v2 info2;
+
+ if ((file_permission(file, MAY_WRITE) != 0)
+ && (current->uid != server->m.mounted_uid)) {
+ return -EACCES;
+ }
+ if (copy_from_user(&info2, arg, sizeof(info2)))
+ return -EFAULT;
+
+ if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
+ DPRINTK("info.version invalid: %d\n", info2.version);
+ return -EINVAL;
+ }
+ info2.mounted_uid = server->m.mounted_uid;
+ info2.connection = server->connection;
+ info2.buffer_size = server->buffer_size;
+ info2.volume_number = NCP_FINFO(inode)->volNumber;
+ info2.directory_id = NCP_FINFO(inode)->DosDirNum;
+ info2.dummy1 = info2.dummy2 = info2.dummy3 = 0;
+
+ if (copy_to_user(arg, &info2, sizeof(info2)))
+ return -EFAULT;
+ return 0;
+}
+
+#ifdef CONFIG_NCPFS_NLS
+/* Here we are select the iocharset and the codepage for NLS.
+ * Thanks Petr Vandrovec for idea and many hints.
+ */
+static int
+ncp_set_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
+{
+ struct ncp_nls_ioctl user;
+ struct nls_table *codepage;
+ struct nls_table *iocharset;
+ struct nls_table *oldset_io;
+ struct nls_table *oldset_cp;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+ if (server->root_setuped)
+ return -EBUSY;
+
+ if (copy_from_user(&user, arg, sizeof(user)))
+ return -EFAULT;
+
+ codepage = NULL;
+ user.codepage[NCP_IOCSNAME_LEN] = 0;
+ if (!user.codepage[0] || !strcmp(user.codepage, "default"))
+ codepage = load_nls_default();
+ else {
+ codepage = load_nls(user.codepage);
+ if (!codepage) {
+ return -EBADRQC;
+ }
+ }
+
+ iocharset = NULL;
+ user.iocharset[NCP_IOCSNAME_LEN] = 0;
+ if (!user.iocharset[0] || !strcmp(user.iocharset, "default")) {
+ iocharset = load_nls_default();
+ NCP_CLR_FLAG(server, NCP_FLAG_UTF8);
+ } else if (!strcmp(user.iocharset, "utf8")) {
+ iocharset = load_nls_default();
+ NCP_SET_FLAG(server, NCP_FLAG_UTF8);
+ } else {
+ iocharset = load_nls(user.iocharset);
+ if (!iocharset) {
+ unload_nls(codepage);
+ return -EBADRQC;
+ }
+ NCP_CLR_FLAG(server, NCP_FLAG_UTF8);
+ }
+
+ oldset_cp = server->nls_vol;
+ server->nls_vol = codepage;
+ oldset_io = server->nls_io;
+ server->nls_io = iocharset;
+
+ if (oldset_cp)
+ unload_nls(oldset_cp);
+ if (oldset_io)
+ unload_nls(oldset_io);
+
+ return 0;
+}
+
+static int
+ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
+{
+ struct ncp_nls_ioctl user;
+ int len;
+
+ memset(&user, 0, sizeof(user));
+ if (server->nls_vol && server->nls_vol->charset) {
+ len = strlen(server->nls_vol->charset);
+ if (len > NCP_IOCSNAME_LEN)
+ len = NCP_IOCSNAME_LEN;
+ strncpy(user.codepage, server->nls_vol->charset, len);
+ user.codepage[len] = 0;
+ }
+
+ if (NCP_IS_FLAG(server, NCP_FLAG_UTF8))
+ strcpy(user.iocharset, "utf8");
+ else if (server->nls_io && server->nls_io->charset) {
+ len = strlen(server->nls_io->charset);
+ if (len > NCP_IOCSNAME_LEN)
+ len = NCP_IOCSNAME_LEN;
+ strncpy(user.iocharset, server->nls_io->charset, len);
+ user.iocharset[len] = 0;
+ }
+
+ if (copy_to_user(arg, &user, sizeof(user)))
+ return -EFAULT;
+ return 0;
+}
+#endif /* CONFIG_NCPFS_NLS */
+