ncpfs/kernel-2.0/lfn-2.0.7.diff

diff -urN 2.0.7/fs/ncpfs/dir.c linux/fs/ncpfs/dir.c
--- 2.0.7/fs/ncpfs/dir.c	Mon Jul  8 17:19:03 1996
+++ linux/fs/ncpfs/dir.c	Tue Jul 16 17:35:07 1996
@@ -92,6 +92,20 @@
 	}
 }
 
+static inline int
+ncp_namespace(struct inode *i)
+{
+	struct ncp_server *server   = NCP_SERVER(i);
+	struct nw_info_struct *info = NCP_ISTRUCT(i);
+	return server->name_space[info->volNumber];
+}
+
+static inline int
+ncp_preserve_case(struct inode *i)
+{
+	return (ncp_namespace(i) == NW_NS_OS2);
+}
+
 static struct file_operations ncp_dir_operations = {
         NULL,			/* lseek - default */
 	ncp_dir_read,		/* read - bad */
@@ -128,7 +142,7 @@
 /* Here we encapsulate the inode number handling that depends upon the
  * mount mode: When we mount a complete server, the memory address of
  * the ncp_inode_info is used as the inode number. When only a single
- * volume is mounted, then the DosDirNum is used as the inode
+ * volume is mounted, then the dirEntNum is used as the inode
  * number. As this is unique for the complete volume, this should
  * enable the NFS exportability of a ncpfs-mounted volume.
  */
@@ -143,7 +157,7 @@
 ncp_info_ino(struct ncp_server *server, struct ncp_inode_info *info)
 {
 	return ncp_single_volume(server)
-		? info->finfo.i.DosDirNum : (ino_t)info;
+		? info->finfo.i.dirEntNum : (ino_t)info;
 }
 
 static inline int
@@ -177,8 +191,6 @@
 	return NULL;
 }
 	
-
-
 static int 
 ncp_dir_read(struct inode *inode, struct file *filp, char *buf, int count)
 {
@@ -326,9 +338,12 @@
                         c_last_returned_index = 0;
                         index = 0;
 
-			for (i = 0; i < c_size; i++)
+			if (!ncp_preserve_case(inode))
 			{
-				str_lower(c_entry[i].i.entryName);
+				for (i = 0; i < c_size; i++)
+				{
+					str_lower(c_entry[i].i.entryName);
+				}
 			}
 		}
 	}
@@ -345,7 +360,7 @@
 
 		if (ncp_single_volume(server))
 		{
-			ino = (ino_t)(entry->i.DosDirNum);
+			ino = (ino_t)(entry->i.dirEntNum);
 		}
 		else
 		{
@@ -652,7 +667,7 @@
         root->finfo.opened = 0;
 	i->attributes  = aDIR;
 	i->dataStreamSize = 1024;
-	i->DosDirNum = 0;
+	i->dirEntNum = i->DosDirNum = 0;
 	i->volNumber = NCP_NUMBER_OF_VOLUMES+1;	/* illegal volnum */
 	ncp_date_unix2dos(0, &(i->creationTime), &(i->creationDate));
 	ncp_date_unix2dos(0, &(i->modifyTime), &(i->modifyDate));
@@ -729,7 +744,7 @@
 
         do
 	{
-		if (   (result->dir->finfo.i.DosDirNum == dir_info->DosDirNum)
+		if (   (result->dir->finfo.i.dirEntNum == dir_info->dirEntNum)
 		    && (result->dir->finfo.i.volNumber == dir_info->volNumber)
 		    && (strcmp(result->finfo.i.entryName, name) == 0)
 		    /* The root dir is never looked up using this
@@ -757,6 +772,7 @@
 	struct ncp_server *server;
 	struct ncp_inode_info *result_info;
 	int found_in_cache;
+	int down_case = 0;
 	char name[len+1];
 
 	*result = NULL;
@@ -867,20 +883,26 @@
         if (found_in_cache == 0)
 	{
 		int res;
-		str_upper(name);
 
 		DDPRINTK("ncp_lookup: do_lookup on %s/%s\n",
 			 NCP_ISTRUCT(dir)->entryName, name);
 
 		if (ncp_is_server_root(dir))
 		{
+			str_upper(name);
+			down_case = 1;
 			res = ncp_lookup_volume(server, name, &(finfo.i));
 		}
 		else
 		{
+			if (!ncp_preserve_case(dir))
+			{
+				str_upper(name);
+				down_case = 1;
+			}
 			res = ncp_obtain_info(server,
 					      NCP_ISTRUCT(dir)->volNumber,
-					      NCP_ISTRUCT(dir)->DosDirNum,
+					      NCP_ISTRUCT(dir)->dirEntNum,
 					      name, &(finfo.i));
 		}
 		if (res != 0)
@@ -892,7 +914,11 @@
         }
 
 	finfo.opened = 0;
-	str_lower(finfo.i.entryName);
+
+	if (down_case != 0)
+	{
+		str_lower(finfo.i.entryName);
+	}
 
 	if (!(*result = ncp_iget(dir, &finfo)))
 	{
@@ -929,7 +955,11 @@
 
 	strncpy(_name, name, len);
 	_name[len] = '\0';
-	str_upper(_name);
+
+	if (!ncp_preserve_case(dir))
+	{
+		str_upper(_name);
+	}
 
 	lock_super(dir->i_sb);
 	if (ncp_open_create_file_or_subdir(NCP_SERVER(dir),
@@ -946,7 +976,11 @@
 
 	ncp_invalid_dir_cache(dir);
 
-	str_lower(finfo.i.entryName);
+	if (!ncp_preserve_case(dir))
+	{
+		str_lower(finfo.i.entryName);
+	}
+
 	finfo.access = O_RDWR;
 
 	if (!(*result = ncp_iget(dir, &finfo)) < 0)
@@ -980,7 +1014,11 @@
 
 	strncpy(_name, name, len);
 	_name[len] = '\0';
-	str_upper(_name);
+
+	if (!ncp_preserve_case(dir))
+	{
+		str_upper(_name);
+	}
 
 	if (!dir || !S_ISDIR(dir->i_mode))
 	{
@@ -1038,7 +1076,11 @@
 
 		strncpy(_name, name, len);
 		_name[len] = '\0';
-		str_upper(_name);
+
+		if (!ncp_preserve_case(dir))
+		{
+			str_upper(_name);
+		}
 
                 if ((error = ncp_del_file_or_subdir(NCP_SERVER(dir),
 						    NCP_ISTRUCT(dir),
@@ -1081,7 +1123,11 @@
 	{
 		strncpy(_name, name, len);
 		_name[len] = '\0';
-		str_upper(_name);
+
+		if (!ncp_preserve_case(dir))
+		{
+			str_upper(_name);
+		}
 
                 if ((error = ncp_del_file_or_subdir(NCP_SERVER(dir),
 						    NCP_ISTRUCT(dir),
@@ -1136,11 +1182,19 @@
 
 	strncpy(_old_name, old_name, old_len);
 	_old_name[old_len] = '\0';
-	str_upper(_old_name);
+
+	if (!ncp_preserve_case(old_dir))
+	{
+		str_upper(_old_name);
+	}
 
 	strncpy(_new_name, new_name, new_len);
 	_new_name[new_len] = '\0';
-	str_upper(_new_name);
+
+	if (!ncp_preserve_case(new_dir))
+	{
+		str_upper(_new_name);
+	}
 
 	res = ncp_ren_or_mov_file_or_subdir(NCP_SERVER(old_dir),
 					    NCP_ISTRUCT(old_dir), _old_name,
diff -urN 2.0.7/fs/ncpfs/ncplib_kernel.c linux/fs/ncpfs/ncplib_kernel.c
--- 2.0.7/fs/ncpfs/ncplib_kernel.c	Thu Apr 18 08:40:28 1996
+++ linux/fs/ncpfs/ncplib_kernel.c	Tue Jul 16 10:52:33 1996
@@ -190,25 +190,6 @@
 }
 
 int
-ncp_get_volume_number(struct ncp_server *server, const char *name, int *target)
-{
-	int result;
-
-	ncp_init_request_s(server, 5);
-	ncp_add_pstring(server, name);
-
-	if ((result = ncp_request(server, 22)) != 0)
-	{
-		ncp_unlock_server(server);
-		return result;
-	}
-
-	*target = ncp_reply_byte(server, 0);
-	ncp_unlock_server(server);
-	return 0;
-}
-
-int
 ncp_close_file(struct ncp_server *server, const char *file_id)
 {
 	int result;
@@ -278,8 +259,8 @@
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 6); /* subfunction */
-	ncp_add_byte(server, 0); /* dos name space */
-	ncp_add_byte(server, 0); /* dos name space as dest */
+	ncp_add_byte(server, server->name_space[vol_num]);
+	ncp_add_byte(server, server->name_space[vol_num]);
 	ncp_add_word(server, 0xff); /* get all */
 	ncp_add_dword(server, RIM_ALL);
 	ncp_add_handle_path(server, vol_num, dir_base, 1, path);
@@ -295,20 +276,57 @@
 	return 0;
 }
 
+static inline int
+ncp_has_os2_namespace(struct ncp_server *server, __u8 volume)
+{
+	int result;
+	__u8 *namespace;
+	__u16 no_namespaces;
+
+	ncp_init_request(server);
+	ncp_add_byte(server, 24); /* Subfunction: Get Name Spaces Loaded */
+	ncp_add_word(server, 0);
+	ncp_add_byte(server, volume);
+
+	if ((result = ncp_request(server, 87)) != 0)
+	{
+		ncp_unlock_server(server);
+		return 0;
+	}
+
+	no_namespaces = ncp_reply_word(server, 0);
+	namespace = ncp_reply_data(server, 2);
+
+	while (no_namespaces > 0)
+	{
+		DPRINTK("get_namespaces: found %d on %d\n", *namespace,volume);
+
+		if (*namespace == 4)
+		{
+			DPRINTK("get_namespaces: found OS2\n");
+			ncp_unlock_server(server);
+			return 1;
+		}
+		namespace += 1;
+		no_namespaces -= 1;
+	}
+	ncp_unlock_server(server);
+	return 0;
+}
+
 int
 ncp_lookup_volume(struct ncp_server *server,
 		  char *volname,
 		  struct nw_info_struct *target)
 {
 	int result;
-	__u8  vol_num;
-	__u32 dir_base;
+	int volnum;
 
 	DPRINTK("ncp_lookup_volume: looking up vol %s\n", volname);
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 22); /* Subfunction: Generate dir handle */
-	ncp_add_byte(server, 0); /* DOS name space */
+	ncp_add_byte(server, 0); /* DOS namespace */
 	ncp_add_byte(server, 0); /* reserved */
 	ncp_add_byte(server, 0); /* reserved */
 	ncp_add_byte(server, 0); /* reserved */
@@ -325,20 +343,19 @@
 		return result;
 	}
 
-	dir_base = ncp_reply_dword(server, 4);
-	vol_num  = ncp_reply_byte(server, 8);
+	memset(target, 0, sizeof(*target));
+	target->DosDirNum = target->dirEntNum = ncp_reply_dword(server, 4);
+	target->volNumber = volnum = ncp_reply_byte(server, 8);
 	ncp_unlock_server(server);
 
-	if ((result = ncp_obtain_info(server, vol_num, dir_base, NULL,
-				      target)) != 0)
-	{
-		return result;
-	}
+	server->name_space[volnum] = ncp_has_os2_namespace(server,volnum)?4:0;
 
-	DPRINTK("ncp_lookup_volume: attribs = %X\n", target->attributes);
+	DPRINTK("lookup_vol: namespace[%d] = %d\n",
+		volnum, server->name_space[volnum]);
 
 	target->nameLen = strlen(volname);
 	strcpy(target->entryName, volname);
+	target->attributes = aDIR;
 	return 0;
 }
 
@@ -352,14 +369,14 @@
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 7); /* subfunction */
-	ncp_add_byte(server, 0); /* dos name space */
+	ncp_add_byte(server, server->name_space[file->volNumber]);
 	ncp_add_byte(server, 0); /* reserved */
 	ncp_add_word(server, 0x8006); /* search attribs: all */
 
 	ncp_add_dword(server, info_mask);
 	ncp_add_mem(server, info, sizeof(*info));
 	ncp_add_handle_path(server, file->volNumber,
-			    file->DosDirNum, 1, NULL);
+			    file->dirEntNum, 1, NULL);
 
 	result = ncp_request(server, 87);
 	ncp_unlock_server(server);
@@ -374,11 +391,11 @@
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 8); /* subfunction */
-	ncp_add_byte(server, 0); /* dos name space */
+	ncp_add_byte(server, server->name_space[dir->volNumber]);
 	ncp_add_byte(server, 0); /* reserved */
 	ncp_add_word(server, 0x8006); /* search attribs: all */
 	ncp_add_handle_path(server, dir->volNumber,
-			    dir->DosDirNum, 1, name);
+			    dir->dirEntNum, 1, name);
 	
 	result = ncp_request(server, 87);
 	ncp_unlock_server(server);
@@ -406,15 +423,16 @@
 {
 	int result;
 	__u16 search_attribs = 0x0006;
+	__u8 volume = (dir != NULL) ? dir->volNumber : target->i.volNumber;
 
 	if ((create_attributes & aDIR) != 0)
 	{
-		search_attribs |= 0x8000;
-	}
+		search_attribs |= 0x8000;	
+}
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 1); /* subfunction */
-	ncp_add_byte(server, 0); /* dos name space */
+	ncp_add_byte(server, server->name_space[volume]);
 	ncp_add_byte(server, open_create_mode);
 	ncp_add_word(server, search_attribs);
 	ncp_add_dword(server, RIM_ALL);
@@ -425,13 +443,11 @@
 
 	if (dir != NULL)
 	{
-		ncp_add_handle_path(server, dir->volNumber,
-				    dir->DosDirNum, 1, name);
+		ncp_add_handle_path(server, volume, dir->dirEntNum, 1, name);
 	}
 	else
 	{
-		ncp_add_handle_path(server,
-				    target->i.volNumber, target->i.DosDirNum,
+		ncp_add_handle_path(server, volume, target->i.dirEntNum,
 				    1, NULL);
 	}	
 
@@ -467,9 +483,9 @@
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 2); /* subfunction */
-	ncp_add_byte(server, 0); /* dos name space */
+	ncp_add_byte(server, server->name_space[dir->volNumber]);
 	ncp_add_byte(server, 0); /* reserved */
-	ncp_add_handle_path(server, dir->volNumber, dir->DosDirNum, 1, NULL);
+	ncp_add_handle_path(server, dir->volNumber, dir->dirEntNum, 1, NULL);
 	
 	if ((result = ncp_request(server, 87)) != 0)
 	{
@@ -493,7 +509,7 @@
 
 	ncp_init_request(server);
 	ncp_add_byte(server, 3); /* subfunction */
-	ncp_add_byte(server, 0); /* dos name space */
+	ncp_add_byte(server, server->name_space[seq->volNumber]);
 	ncp_add_byte(server, 0); /* data stream (???) */
 	ncp_add_word(server, 0xffff); /* Search attribs */
 	ncp_add_dword(server, RIM_ALL);	/* return info mask */
@@ -528,19 +544,19 @@
 	
 	ncp_init_request(server);
 	ncp_add_byte(server, 4); /* subfunction */
-	ncp_add_byte(server, 0); /* dos name space */
+	ncp_add_byte(server, server->name_space[old_dir->volNumber]);
 	ncp_add_byte(server, 1); /* rename flag */
 	ncp_add_word(server, 0x8006); /* search attributes */
 
 	/* source Handle Path */
 	ncp_add_byte(server, old_dir->volNumber);
-	ncp_add_dword(server, old_dir->DosDirNum);
+	ncp_add_dword(server, old_dir->dirEntNum);
 	ncp_add_byte(server, 1);
 	ncp_add_byte(server, 1); /* 1 source component */
 
 	/* dest Handle Path */
 	ncp_add_byte(server, new_dir->volNumber);
-	ncp_add_dword(server, new_dir->DosDirNum);
+	ncp_add_dword(server, new_dir->dirEntNum);
 	ncp_add_byte(server, 1);
 	ncp_add_byte(server, 1); /* 1 destination component */
 
diff -urN 2.0.7/include/linux/ncp.h linux/include/linux/ncp.h
--- 2.0.7/include/linux/ncp.h	Thu Apr 18 08:40:36 1996
+++ linux/include/linux/ncp.h	Tue Jul 16 17:27:45 1996
@@ -116,6 +116,12 @@
 	__u16   update_time;
 };
 
+/* Defines for Name Spaces */
+#define NW_NS_DOS     0
+#define NW_NS_MAC     1
+#define NW_NS_NFS     2
+#define NW_NS_FTAM    3
+#define NW_NS_OS2     4
 
 /*  Defines for ReturnInformationMask */
 #define RIM_NAME	      (0x0001L)
diff -urN 2.0.7/include/linux/ncp_fs_sb.h linux/include/linux/ncp_fs_sb.h
--- 2.0.7/include/linux/ncp_fs_sb.h	Thu Apr 18 08:40:36 1996
+++ linux/include/linux/ncp_fs_sb.h	Tue Jul 16 17:35:17 1996
@@ -21,6 +21,8 @@
 				    interest for us later, so we store
 				    it completely. */
 
+	__u8 name_space[NCP_NUMBER_OF_VOLUMES];
+
 	struct file *ncp_filp;	/* File pointer to ncp socket */
 	struct file *wdog_filp;	/* File pointer to wdog socket */
 	struct file *msg_filp;	/* File pointer to message socket */