C++ (Cpp) user_path_dir Examples

Example #1

File: open.c Project: boa19861105/Blackout-Monarudo

SYSCALL_DEFINE1(chroot, const char __user *, filename)
{
	struct path path;
	int error;

	error = user_path_dir(filename, &path);
	if (error)
		goto out;

	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);
	if (error)
		goto dput_and_out;

	error = -EPERM;
	if (!capable(CAP_SYS_CHROOT))
		goto dput_and_out;
	error = security_path_chroot(&path);
	if (error)
		goto dput_and_out;

	set_fs_root(current->fs, &path);
	error = 0;
dput_and_out:
	path_put(&path);
out:
	return error;
}

Example #2

File: open.c Project: mikeberkelaar/grhardened

SYSCALL_DEFINE1(chroot, const char __user *, filename)
{
	struct path path;
	int error;

	error = user_path_dir(filename, &path);
	if (error)
		goto out;

	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_ACCESS);
	if (error)
		goto dput_and_out;

	error = -EPERM;
	if (!capable(CAP_SYS_CHROOT))
		goto dput_and_out;

	if (gr_handle_chroot_chroot(path.dentry, path.mnt))
		goto dput_and_out;

	if (gr_handle_chroot_caps(&path)) {
		error = -ENOMEM;
		goto dput_and_out;
	}

	set_fs_root(current->fs, &path);

	gr_handle_chroot_chdir(&path);

	error = 0;
dput_and_out:
	path_put(&path);
out:
	return error;
}

Example #3

File: open.c Project: boa19861105/Blackout-Monarudo

SYSCALL_DEFINE1(chdir, const char __user *, filename)
{
	struct path path;
	int error;

	error = user_path_dir(filename, &path);
	if (error)
		goto out;

	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_CHDIR);
	if (error)
		goto dput_and_out;

	set_fs_pwd(current->fs, &path);

dput_and_out:
	path_put(&path);
out:
	return error;
}

Example #4

File: open.c Project: mpalmer/linux-2.6

asmlinkage long sys_chdir(const char __user * filename)
{
	struct path path;
	int error;

	error = user_path_dir(filename, &path);
	if (error)
		goto out;

	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_ACCESS);
	if (error)
		goto dput_and_out;

	set_fs_pwd(current->fs, &path);

dput_and_out:
	path_put(&path);
out:
	return error;
}

Example #5

File: open.c Project: mpalmer/linux-2.6

asmlinkage long sys_chroot(const char __user * filename)
{
	struct path path;
	int error;

	error = user_path_dir(filename, &path);
	if (error)
		goto out;

	error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_ACCESS);
	if (error)
		goto dput_and_out;

	error = -EPERM;
	if (!capable(CAP_SYS_CHROOT))
		goto dput_and_out;

	set_fs_root(current->fs, &path);
	error = 0;
dput_and_out:
	path_put(&path);
out:
	return error;
}