Output management method and system for Linux platform graphic application program, equipment and medium

An application program and output management technology, which is applied in the field of information security, can solve the problems of difficult to determine the print output subject and single output mode, and achieve the effect of enhancing information security, simplifying the output operation steps, and avoiding user operations

Active Publication Date: 2021-10-01
湖南中观天下科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In view of this, the present invention proposes a method for managing the output of graphical application programs on the Linux platform, which effectively solves the problems of difficult determination of the printout subject and single output mode in the current business office and information security management

Method used

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  • Output management method and system for Linux platform graphic application program, equipment and medium

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Embodiment

[0054] Taking the localized operating system as an example, the output management method, system, equipment and media processing flow of the Linux platform graphics application program of the present invention are shown in figure 1 , the processing steps are as follows:

[0055] The first step is to set the LD_PRELOAD environment variable, load the file "save as" HOOK API library, and use the custom API function to expand the system's "save as" method; then, run the file name query service program and wait for the query command to be received;

[0056] The second step is to install the CUPS print filter. When the application sends a print event, it notifies the CUPS background service to run the filter automatically. The filter first records the print task parameters to the print task parameter table, then intercepts all print data and stores them as temporary files, then checks the status control table to see if there is a record of the current print task, if not, create a c...

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Abstract

The invention provides an output management method and system for a Linux platform graphic application program, equipment and a medium. The method comprises the steps of entering a printing process or a save-as process according to judgment on an application program trigger event; entering the save-as process, judging whether the event is a secondary save-as event, if so, sending a secondary printing request to a file name query service, otherwise, dynamically adjusting the output mode option of a save-as dialog box according to the user authority, displaying the save-as dialog box, and waiting for a user to execute the file save-as operation; entering the printing process, sending a printing task to a CPUS printing filter, querying a state control table, recording a query result according to the current printing task, executing file printing output or sending a file name query request to the file name query service, and executing a file name query task so as to correctly obtain an original file full path name of the current printing content. The invention provides a key solution for information security management and control based on a file main body and a document output management method with unified application programs.

Description

technical field [0001] The invention relates to the field of information security, in particular to an output management method, system, equipment and medium of a Linux platform graphics application program. Background technique [0002] With the development of the operating system, the Linux operating system has occupied the global server operating system market due to its open source code, high reliability, and high security. The Andriod operating system, which is widely popular in mobile communications and embedded fields, such as mobile phones, pads, and automotive electronics, also runs on the Linux operating system. In the desktop environment, excellent localized operating systems such as Deepin, Ubuntu Kylin, Winning Kylin, Tongxin UOS, Yinhe Kylin, Red Flag Linux, etc. are also based on the release version of the Linux operating system. [0003] Many graphical interface application tool software and office software are integrated in the localized operating system, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/12G06F16/14G06F16/16
CPCG06F3/1222G06F3/1211G06F3/1238G06F3/1253G06F16/148G06F16/164G06F16/168
Inventor 范江涛
Owner 湖南中观天下科技有限公司
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