User-level simulation method and device for application program in Internet of Things equipment
A technology of Internet of Things equipment and application programs, applied in the direction of data exchange networks, instruments, digital transmission systems, etc., can solve problems such as difficulty in building a program operating environment, and achieve the effect of low cost, high efficiency, and strong scalability
Active Publication Date: 2021-09-24
INST OF INFORMATION ENG CHINESE ACAD OF SCI
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[0010] (2) It is difficult to build the operating environment required by the program
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[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
[0042] Emulating IoT devices can test IoT devices without corresponding physical devices, which can effectively improve the efficiency of application testing in IoT devices. How to implement user-level emulation in many devices without a unified implementation standard, and how to use emulation to provide support for software vulnerability analysis is a problem worth studying.
[0043] The test object of the method of the present invention is the application program in the Internet of Things device, mainly emulating the application program in the firmware of the Internet of Things ...
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The invention discloses a user-level simulation method and device for an application program in Internet of Things equipment, and the method comprises the steps: unpacking firmware of the Internet of Things equipment, and recognizing a to-be-tested application program according to an obtained file system; acquiring environment dependence required by the to-be-tested application program; constructing and initializing a running environment according to environment dependence; after the execution resources of the operation environment are limited, executing simulation of the application program to be tested. According to the method, the running environment limitation on which the program depends is abstracted as a model, the program can be tested at lower cost, fine-grained customization can be carried out according to different requirements of test equipment and target service, and the method has the characteristics of high expansibility, high efficiency, good universality and low coupling.
Description
technical field [0001] The present invention relates to the field of user-level simulation technology, in particular to a user-level simulation method and device for application programs in Internet of Things devices, mainly aiming at the difficulties in simulating application programs in Internet of Things devices, and solving the problem of running applications in Internet of Things devices through simulation. The bottleneck of the program, and a system call virtualization scheme is proposed to improve the success rate of simulation. Background technique [0002] Whether it is to verify the function of the program or to conduct a security test, it is necessary to run the code for verification, but there are certain defects in using physical equipment for testing. On the one hand, the resources of the physical equipment are limited and the cost is high; on the other hand, the physical equipment does not run Stable, hard to get runtime information, hard to test efficiently. ...
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IPC IPC(8): H04L29/08H04L12/24G06F11/36
CPCH04L67/12H04L41/145G06F11/3684G06F11/3688
Inventor 邹燕燕谭凌霄霍玮彭炳炜朴爱花邹维
Owner INST OF INFORMATION ENG CHINESE ACAD OF SCI