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File access control method and device for operating system

An operating system and file access technology, applied in computer security devices, instruments, electrical digital data processing, etc., can solve the problems of inability to meet diverse file access control requirements, poor flexibility of file access control, etc., to facilitate management and improve Flexibility, the effect of satisfying safety

Active Publication Date: 2018-05-04
SHANGHAI DNION INFORMATION & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In the prior art, the access control of the files of the operating system can be controlled separately through the subject access control mechanism and the role-based access control mechanism, which cannot meet the diverse file access control requirements. Therefore, there is a problem of poor flexibility of file access control.

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  • File access control method and device for operating system
  • File access control method and device for operating system

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Embodiment Construction

[0028] In the prior art, the operating system can respectively access executable binary files in the operating system through its own subject access control method and role-based access control method. Because discretionary access control methods and role-based access control methods operate independently. It is used to perform corresponding operations on the same executable binary file through corresponding user permissions or group permissions. However, the file access control method in the prior art cannot meet the diversified access requirements of users, and there is a problem of poor flexibility.

[0029] For example, there is a server in the financial department for sharing files, and the maintenance of this server is in the charge of ordinary operation and maintenance engineers, so the operation and maintenance engineers have obtained the special authority "root", and according to the company's access control policy requirements, the storage on the server I do not wan...

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Abstract

The invention discloses a file access control method and apparatus for an operation system. The method comprises: obtaining an access request of a user logging in the operation system to an executable binary file; obtaining subjective identity information and group permission information corresponding to the executable binary file; matching subjective identity information and group permission information of a user with the subjective identity information and the group permission information corresponding to the executable binary file; and according to a matching result, allowing the user to perform corresponding operation on the executable binary file. According to the scheme, the flexibility of file access control of the operation system can be improved.

Description

technical field [0001] The invention relates to the technical field of operating systems, in particular to a file access control method and device for an operating system. Background technique [0002] UNIX-like systems (UNIX-like) refer to various traditional UNIX systems, such as FreeBSD, OpenBSD, Sun's Solaris, and various systems similar to traditional UNIX, such as Minix, Linux, QNX, OSX, etc., are to a considerable extent It inherits the characteristics of the original UNIX system, has many similarities, and complies with the Portable Operating System Interface (POSIX) specification to a certain extent. At present, some Unix simulation environments can be run on the Windows platform, such as the free software Cygwin developed by cygnus solutions company. [0003] Access control is a defense measure against unauthorized use of resources, and its basic goal is to ensure users' reasonable and effective access to system resources. There are roughly three types of access ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/62
CPCG06F21/6218G06F2221/2141
Inventor 张景逸康凯
Owner SHANGHAI DNION INFORMATION & TECH
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