init android origin source code

1 files changed, 102 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/fs/cifs/ioctl.c b/ANDROID_3.4.5/fs/cifs/ioctl.c
new file mode 100644
index 00000000..4221b5e4
--- /dev/null
+++ b/ANDROID_3.4.5/fs/cifs/ioctl.c
@@ -0,0 +1,102 @@
+/*
+ *   fs/cifs/ioctl.c
+ *
+ *   vfs operations that deal with io control
+ *
+ *   Copyright (C) International Business Machines  Corp., 2005,2007
+ *   Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as published
+ *   by the Free Software Foundation; either version 2.1 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This library is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public License
+ *   along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/fs.h>
+#include "cifspdu.h"
+#include "cifsglob.h"
+#include "cifsproto.h"
+#include "cifs_debug.h"
+#include "cifsfs.h"
+
+#define CIFS_IOC_CHECKUMOUNT _IO(0xCF, 2)
+
+long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
+{
+	struct inode *inode = filep->f_dentry->d_inode;
+	int rc = -ENOTTY; /* strange error - but the precedent */
+	int xid;
+	struct cifs_sb_info *cifs_sb;
+#ifdef CONFIG_CIFS_POSIX
+	struct cifsFileInfo *pSMBFile = filep->private_data;
+	struct cifs_tcon *tcon;
+	__u64	ExtAttrBits = 0;
+	__u64	ExtAttrMask = 0;
+	__u64   caps;
+#endif /* CONFIG_CIFS_POSIX */
+
+	xid = GetXid();
+
+	cFYI(1, "ioctl file %p  cmd %u  arg %lu", filep, command, arg);
+
+	cifs_sb = CIFS_SB(inode->i_sb);
+
+	switch (command) {
+		case CIFS_IOC_CHECKUMOUNT:
+			cFYI(1, "User unmount attempted");
+			if (cifs_sb->mnt_uid == current_uid())
+				rc = 0;
+			else {
+				rc = -EACCES;
+				cFYI(1, "uids do not match");
+			}
+			break;
+#ifdef CONFIG_CIFS_POSIX
+		case FS_IOC_GETFLAGS:
+			if (pSMBFile == NULL)
+				break;
+			tcon = tlink_tcon(pSMBFile->tlink);
+			caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+			if (CIFS_UNIX_EXTATTR_CAP & caps) {
+				rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
+					&ExtAttrBits, &ExtAttrMask);
+				if (rc == 0)
+					rc = put_user(ExtAttrBits &
+						FS_FL_USER_VISIBLE,
+						(int __user *)arg);
+			}
+			break;
+
+		case FS_IOC_SETFLAGS:
+			if (pSMBFile == NULL)
+				break;
+			tcon = tlink_tcon(pSMBFile->tlink);
+			caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+			if (CIFS_UNIX_EXTATTR_CAP & caps) {
+				if (get_user(ExtAttrBits, (int __user *)arg)) {
+					rc = -EFAULT;
+					break;
+				}
+				/* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid,
+					extAttrBits, &ExtAttrMask);*/
+			}
+			cFYI(1, "set flags not implemented yet");
+			break;
+#endif /* CONFIG_CIFS_POSIX */
+		default:
+			cFYI(1, "unsupported ioctl");
+			break;
+	}
+
+	FreeXid(xid);
+	return rc;
+}