C++ set_fs_root函数代码示例

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本文整理汇总了C++中set_fs_root函数的典型用法代码示例。如果您正苦于以下问题：C++ set_fs_root函数的具体用法？C++ set_fs_root怎么用？C++ set_fs_root使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了set_fs_root函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: SYSCALL_DEFINE1

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;
}

开发者ID:boa19861105，项目名称:Blackout-Monarudo，代码行数:27，代码来源:open.c

示例2: SYSCALL_DEFINE1

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;
}

开发者ID:mikeberkelaar，项目名称:grhardened，代码行数:35，代码来源:open.c

示例3: sys_chroot

asmlinkage long sys_chroot(const char * filename)
{
	int error;
	struct nameidata nd;
	char *name;

	name = getname(filename);
	error = PTR_ERR(name);
	if (IS_ERR(name))
		goto out;

	path_init(name, LOOKUP_POSITIVE | LOOKUP_FOLLOW |
		      LOOKUP_DIRECTORY | LOOKUP_NOALT, &nd);
	error = path_walk(name, &nd);	
	putname(name);
	if (error)
		goto out;

	error = permission(nd.dentry->d_inode,MAY_EXEC);
	if (error)
		goto dput_and_out;

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

	set_fs_root(current->fs, nd.mnt, nd.dentry);
	set_fs_altroot();
	error = 0;
dput_and_out:
	path_release(&nd);
out:
	return error;
}

开发者ID:EmbolismSoil，项目名称:Linux-2.4.0-，代码行数:34，代码来源:open.c

示例4: SYSCALL_DEFINE1

SYSCALL_DEFINE1(chroot, const char __user *, filename)
{
	struct path path;
	int error;
	unsigned int lookup_flags = LOOKUP_FOLLOW | LOOKUP_DIRECTORY;
retry:
	error = user_path_at(AT_FDCWD, filename, lookup_flags, &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 (!nsown_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);
	if (retry_estale(error, lookup_flags)) {
		lookup_flags |= LOOKUP_REVAL;
		goto retry;
	}
out:
	return error;
}

开发者ID:wpwrak，项目名称:ben-wpan-linux，代码行数:32，代码来源:open.c

示例5: sys_chroot

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;
}

开发者ID:mpalmer，项目名称:linux-2.6，代码行数:24，代码来源:open.c

注：本文中的set_fs_root函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。