patch-2.1.31 linux/fs/ncpfs/ioctl.c

• Lines: 179
• Date: Fri Mar 28 10:42:22 1997
• Orig file: v2.1.30/linux/fs/ncpfs/ioctl.c
• Orig date: Mon Oct 28 04:29:26 1996

diff -u --recursive --new-file v2.1.30/linux/fs/ncpfs/ioctl.c linux/fs/ncpfs/ioctl.c
@@ -14,70 +14,41 @@
 #include <linux/mm.h>
 #include <linux/ncp.h>
 
-int
-ncp_ioctl (struct inode * inode, struct file * filp,
-           unsigned int cmd, unsigned long arg)
+int ncp_ioctl(struct inode *inode, struct file *filp,
+	      unsigned int cmd, unsigned long arg)
 {
 	int result;
 	struct ncp_ioctl_request request;
 	struct ncp_fs_info info;
 	struct ncp_server *server = NCP_SERVER(inode);
 
-	/*
-	 * Binary compatible with 1.3.XX releases.
-	 * Take this out in 2.1.0 development series.
-	 * <mec@duracef.shout.net> 12 Mar 1996
-	 */
-	switch(cmd) {
-	case _IOR('n', 1, unsigned char *):
-	    cmd = NCP_IOC_NCPREQUEST;
-	    break;
-	case _IOR('u', 1, uid_t):
-	    cmd = NCP_IOC_GETMOUNTUID;
-	    break;
-	case _IO('l', 1):
-	    cmd = NCP_IOC_CONN_LOGGED_IN;
-	    break;
-	case _IOWR('i', 1, unsigned char *):
-	    cmd = NCP_IOC_GET_FS_INFO;
-	    break;
-	}
-
-	switch(cmd) {
+	switch (cmd) {
 	case NCP_IOC_NCPREQUEST:
 
-		if (   (permission(inode, MAY_WRITE) != 0)
-		    && (current->uid != server->m.mounted_uid))
-		{
+		if ((permission(inode, MAY_WRITE) != 0)
+		    && (current->uid != server->m.mounted_uid)) {
 			return -EACCES;
 		}
-		
-		if ((result = verify_area(VERIFY_READ, (char *)arg,
-					  sizeof(request))) != 0)
-		{
+		if ((result = verify_area(VERIFY_READ, (char *) arg,
+					  sizeof(request))) != 0) {
 			return result;
 		}
+		copy_from_user(&request, (struct ncp_ioctl_request *) arg,
+			       sizeof(request));
 
-		copy_from_user(&request, (struct ncp_ioctl_request *)arg,
-			      sizeof(request));
-
-		if (   (request.function > 255)
+		if ((request.function > 255)
 		    || (request.size >
-			NCP_PACKET_SIZE - sizeof(struct ncp_request_header)))
-		{
+		  NCP_PACKET_SIZE - sizeof(struct ncp_request_header))) {
 			return -EINVAL;
 		}
-
-		if ((result = verify_area(VERIFY_WRITE, (char *)request.data,
-					  NCP_PACKET_SIZE)) != 0)
-		{
+		if ((result = verify_area(VERIFY_WRITE, (char *) request.data,
+					  NCP_PACKET_SIZE)) != 0) {
 			return result;
 		}
-
 		ncp_lock_server(server);
 
 		/* FIXME: We hack around in the server's structures
-                   here to be able to use ncp_request */
+		   here to be able to use ncp_request */
 
 		server->has_subfunction = 0;
 		server->current_size = request.size;
@@ -95,66 +66,55 @@
 
 	case NCP_IOC_CONN_LOGGED_IN:
 
-		if (   (permission(inode, MAY_WRITE) != 0)
-		    && (current->uid != server->m.mounted_uid))
-		{
+		if ((permission(inode, MAY_WRITE) != 0)
+		    && (current->uid != server->m.mounted_uid)) {
 			return -EACCES;
 		}
-
 		return ncp_conn_logged_in(server);
-		
+
 	case NCP_IOC_GET_FS_INFO:
 
-		if (   (permission(inode, MAY_WRITE) != 0)
-		    && (current->uid != server->m.mounted_uid))
-		{
+		if ((permission(inode, MAY_WRITE) != 0)
+		    && (current->uid != server->m.mounted_uid)) {
 			return -EACCES;
 		}
-		
-		if ((result = verify_area(VERIFY_WRITE, (char *)arg,
-					  sizeof(info))) != 0)
-		{
+		if ((result = verify_area(VERIFY_WRITE, (char *) arg,
+					  sizeof(info))) != 0) {
 			return result;
 		}
+		copy_from_user(&info, (struct ncp_fs_info *) arg,
+			       sizeof(info));
 
-		copy_from_user(&info, (struct ncp_fs_info *)arg,
-			      sizeof(info));
-
-		if (info.version != NCP_GET_FS_INFO_VERSION)
-		{
+		if (info.version != NCP_GET_FS_INFO_VERSION) {
 			DPRINTK("info.version invalid: %d\n", info.version);
 			return -EINVAL;
 		}
-
-		info.addr          = server->m.serv_addr;
-		info.mounted_uid   = server->m.mounted_uid;
-		info.connection    = server->connection;
-		info.buffer_size   = server->buffer_size;
+		/* TODO: info.addr = server->m.serv_addr; */
+		info.mounted_uid = server->m.mounted_uid;
+		info.connection = server->connection;
+		info.buffer_size = server->buffer_size;
 		info.volume_number = NCP_ISTRUCT(inode)->volNumber;
-		info.directory_id  = NCP_ISTRUCT(inode)->DosDirNum;
+		info.directory_id = NCP_ISTRUCT(inode)->DosDirNum;
 
-		copy_to_user((struct ncp_fs_info *)arg, &info, sizeof(info));
-		return 0;		
+		copy_to_user((struct ncp_fs_info *) arg, &info, sizeof(info));
+		return 0;
 
-        case NCP_IOC_GETMOUNTUID:
+	case NCP_IOC_GETMOUNTUID:
 
-		if (   (permission(inode, MAY_READ) != 0)
-		    && (current->uid != server->m.mounted_uid))
-		{
+		if ((permission(inode, MAY_READ) != 0)
+		    && (current->uid != server->m.mounted_uid)) {
 			return -EACCES;
 		}
-		
-                if ((result = verify_area(VERIFY_WRITE, (uid_t*) arg,
-                                          sizeof(uid_t))) != 0)
-		{
-                        return result;
-                }
-                put_user(server->m.mounted_uid, (uid_t *) arg);
-                return 0;
+		if ((result = verify_area(VERIFY_WRITE, (uid_t *) arg,
+					  sizeof(uid_t))) != 0) {
+			return result;
+		}
+		put_user(server->m.mounted_uid, (uid_t *) arg);
+		return 0;
 
 	default:
 		return -EINVAL;
 	}
-	
+
 	return -EINVAL;
 }