patch-2.2.7 linux/fs/ncpfs/ioctl.c

• Lines: 86
• Date: Tue Apr 20 15:17:20 1999
• Orig file: v2.2.6/linux/fs/ncpfs/ioctl.c
• Orig date: Tue Mar 17 22:18:15 1998

diff -u --recursive --new-file v2.2.6/linux/fs/ncpfs/ioctl.c linux/fs/ncpfs/ioctl.c
@@ -3,6 +3,7 @@
  *
  *  Copyright (C) 1995, 1996 by Volker Lendecke
  *  Modified 1997 Peter Waltenberg, Bill Hawes, David Woodhouse for 2.1 dcache
+ *  Modified 1998 Wolfram Pienkoss for NLS
  *
  */
 
@@ -17,6 +18,7 @@
 
 #include <linux/ncp.h>
 #include <linux/ncp_fs.h>
+
 #include "ncplib_kernel.h"
 
 /* maximum limit for ncp_objectname_ioctl */
@@ -485,6 +487,69 @@
 			return 0;
 		}
 #endif	/* CONFIG_NCPFS_NDS_DOMAINS */
+
+#ifdef CONFIG_NCPFS_NLS
+/* Here we are select the iocharset and the codepage for NLS.
+ * Thanks Petr Vandrovec for idea and many hints.
+ */
+	case NCP_IOC_SETCHARSETS:
+		if (   (permission(inode, MAY_WRITE) != 0)
+		    && (current->uid != server->m.mounted_uid))
+		{
+			return -EACCES;
+		}
+		if (server->root_setuped) return -EBUSY;
+		{
+			struct ncp_nls_ioctl user;
+			struct nls_table *codepage;
+			struct nls_table *iocharset;
+			struct nls_table *oldset_io;
+			struct nls_table *oldset_cp;
+			
+			if (copy_from_user(&user, 
+					   (struct ncp_nls_ioctl*)arg,
+					    sizeof(user))) return -EFAULT;
+
+			codepage = NULL;
+			if (!user.codepage[0]) {
+				codepage = load_nls_default();
+			}
+			else {
+				codepage = load_nls(user.codepage);
+				if (! codepage) {
+					return -EBADRQC;
+				}
+			}
+
+			iocharset = NULL;
+			if (user.iocharset[0] == 0) {
+				iocharset = load_nls_default();
+			}
+			else {
+				iocharset = load_nls(user.iocharset);
+				if (! iocharset) {
+					unload_nls(codepage);
+					return -EBADRQC;
+				}
+			}
+
+			oldset_cp = server->nls_vol;
+			server->nls_vol = codepage;
+			oldset_io = server->nls_io;
+			server->nls_io = iocharset;
+			server->nls_charsets = user;
+			if (oldset_cp) unload_nls(oldset_cp);
+			if (oldset_io) unload_nls(oldset_io);
+			return 0;
+		}
+		
+	case NCP_IOC_GETCHARSETS: /* not tested */
+		if (copy_to_user((struct ncp_nls_ioctl*)arg,
+				&(server->nls_charsets),
+				sizeof(server->nls_charsets))) return -EFAULT;
+		return 0;
+#endif /* CONFIG_NCPFS_NLS */
+
 	default:
 		return -EINVAL;
 	}