CN115883155A - Management and control method and device for vehicle-mounted controller - Google Patents
Management and control method and device for vehicle-mounted controller Download PDFInfo
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- CN115883155A CN115883155A CN202211486484.6A CN202211486484A CN115883155A CN 115883155 A CN115883155 A CN 115883155A CN 202211486484 A CN202211486484 A CN 202211486484A CN 115883155 A CN115883155 A CN 115883155A
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Abstract
The invention provides a method and a device for managing and controlling a vehicle-mounted controller, wherein the method comprises the following steps: initiating a login authentication request to a server; receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful; based on a communication link, utilizing a secure shell protocol (SSH) reverse proxy to open a proxy port to a server so that the server realizes management and control based on the proxy port. According to the invention, public network IP and proxy ports are assigned to the batch controllers in the manner, and the ports are mapped to the server, so that all the controllers can be accessed by the background, namely when the background needs to access any controller, SSH service of the controllers can be accessed through the proxy ports mapped by the background, thereby realizing remote control management of the batch controllers, providing a convenient manner for remote access to the controllers in a development environment, and improving development efficiency and test efficiency.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a management and control method and device for a vehicle-mounted controller.
Background
With the development of automobile intellectualization and networking, more and more functions carried by automobiles are more and more complex, and the automobile network architecture also develops towards a domain controller. With the increase of complexity, in the development phase, development and test personnel often need to remotely enter a system of the controller to perform operations such as testing, debugging and the like to check and manage the running state of the controller. There is a need for an efficient method of enabling remote, batch controller management.
Currently, a vehicle-mounted controller generally adopts a single remote access mode to realize remote control, that is, login authentication needs to be performed by accessing a port of a single controller each time, so as to realize operation on the controller. However, in this way, each pair of controllers needs to perform a re-login authentication for one operation, which is tedious in procedure, increases detection time, and is prone to cause unnecessary time waste.
Disclosure of Invention
The invention provides a management and control method and a management and control device for a vehicle-mounted controller, which are used for solving the defect that the management and control efficiency is reduced due to the fact that the controller needs to be independently logged in for verification and operated in the prior art, and the batch management and control of the controllers are realized, so that the development and test efficiency is improved.
The invention provides a control method of a vehicle-mounted controller, which comprises the following steps: initiating a login authentication request to a server; receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication; and opening a proxy port to the server by utilizing a secure shell protocol (SSH) reverse proxy based on the communication link so as to realize management and control of the server based on the proxy port.
According to the management and control method of the vehicle-mounted controller provided by the invention, the method for opening the proxy port to the server by utilizing the SSH reverse proxy based on the communication link comprises the following steps: generating a port number based on the controller sequence number; and mapping the port number to the server by utilizing an SSH reverse proxy based on an SSH protocol to obtain a proxy port.
According to the control method of the vehicle-mounted controller provided by the invention, the generating of the port number based on the serial number of the controller comprises the following steps: selecting a controller serial number based on a preset serial number selection rule; and combining the selected controller serial number with a preset numerical value to generate a port number.
According to the control method of the vehicle-mounted controller provided by the invention, the step of initiating the login verification request to the server comprises the following steps: encrypting a key in the built-in certificate based on the built-in certificate to obtain an encrypted key; and initiating a login authentication request to the server based on the encryption key.
According to the control method of the vehicle-mounted controller, the login verification information is obtained by comparing the encrypted private key with a preset public key in the server based on the login verification request by the server.
According to the management and control method of the vehicle-mounted controller provided by the invention, after the communication link is established with the server, the method comprises the following steps: and carrying out heartbeat detection according to a preset detection period.
According to the management and control method of the vehicle-mounted controller provided by the invention, after the communication link is established with the server, the method further comprises the following steps: sending a detection packet to the server based on the communication link; if a return packet returned by the server based on the detection packet is received, judging whether the time for waiting to receive the return packet exceeds preset overtime or not; if the return packet is not received, the time is determined to be overtime.
The present invention also provides a management and control apparatus for a vehicle-mounted controller, including: the login authentication module initiates a login authentication request to the server; the link establishing module is used for receiving login authentication information returned by the server based on the login authentication request and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication; and the port agent module is used for opening an agent port to the server by utilizing a secure shell protocol (SSH) reverse agent based on the communication link so as to realize management and control of the server based on the agent port.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the steps of the management and control method of the vehicle-mounted controller.
The present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of the method of managing and controlling an onboard controller as described in any one of the above.
The present invention also provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the steps of the management and control method for the vehicle-mounted controller according to any one of the above.
According to the method and the device for managing and controlling the vehicle-mounted controller, the public network IP and the proxy port can be given to the batch controller, and the port is mapped to the server, so that all controllers can be conveniently accessed by a background, namely when the background needs to access any controller, SSH (secure Shell) service of the controller can be accessed through the mapped proxy port, remote control management of the batch controller is realized, a convenient and fast mode is provided for remote access to the controller in a development environment, development efficiency and test efficiency are improved, and the device and the method are convenient to embed into other management systems.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a management and control method of a vehicle-mounted controller according to the present invention;
fig. 2 is a schematic structural diagram of a management and control method of a vehicle-mounted controller according to the present invention;
fig. 3 is a schematic structural diagram of a management and control device of a vehicle-mounted controller according to the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a flow chart of a management and control method of an on-board controller according to the present invention, the method includes:
s11, initiating a login authentication request to a server;
s12, receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication;
and S13, based on the communication link, utilizing a secure shell protocol (SSH) reverse proxy to open a proxy port to the server so that the server realizes management and control based on the proxy port.
It should be noted that the main execution body of the method is a controller, S1N in this specification does not represent the sequence of the management and control method of the vehicle-mounted controller, and the management and control method of the vehicle-mounted controller of the present invention is described below with reference to fig. 2 specifically.
Step S11, a login authentication request is sent to the server.
In this embodiment, initiating a login authentication request to a server includes: encrypting a key in the built-in certificate based on the built-in certificate to obtain an encrypted key; based on the encryption key, a login authentication request is initiated to the server. Correspondingly, the login authentication information is obtained by the server through comparing the encrypted private key with a preset public key in the server based on the login authentication request.
In other words, the controller encrypts the key based on the built-in certificate, sends the encrypted key to the server and initiates a login authentication request, the server compares the encrypted key with a preset public key based on the login authentication request, determines login authentication information as login authentication success or login authentication failure according to a comparison result, and returns the login authentication information to the controller.
It should be noted that the secret key in the certificate built in the controller and the preset public key in the server need to be configured in advance, so that the subsequent server can compare the secret key with the preset public key in the server conveniently, and further, the security verification can be realized. In addition, the controller needs to set a start script, set AUTOSSH start service, set a Secure Shell protocol (SSH) connection mode as certificate login, and embed the login certificate in the Secure storage area, so that the security of the link is ensured by using the built-in certificate and the login method monitored by the intranet.
And step S12, receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication.
It should be noted that the controller establishes a stable SSH connection with the server based on the received login authentication information for successful login authentication.
In an optional embodiment, after establishing the communication link with the server, comprising: and performing heartbeat detection according to a detection period configured in the SSH in advance. More specifically, the heartbeat detection is performed according to a preset detection period, and the method includes: according to a preset detection period, regularly detecting whether a link is normal, if the number of link abnormality times reaches a preset number, disconnecting the link, and disconnecting the controller; otherwise, the link connection is normal, and the controller is on line.
It should be noted that the preset detection period and the preset number of times may be set based on the actual operating environment, the detection condition, and the like, and are not further limited herein. For example, if the preconfigured detection period is once every 20 seconds, and the preset number of times is 3, the controller correspondingly detects whether the link is normal every 20 seconds, and if the detection result of 3 consecutive times indicates that the link is abnormal, the link is determined to be disconnected.
In an optional embodiment, if the link is disconnected, a login verification request is initiated to the server again based on preset reconnection time, so that the functions of heartbeat detection and disconnection and reconnection are realized, and the stability and reliability of connection are ensured.
In an optional embodiment, after establishing the communication link with the server, the method further comprises: sending a detection packet to a server based on the communication link; if a return packet returned by the server based on the detection packet is received, judging whether the time for waiting to receive the return packet exceeds the preset overtime time or not; if the return packet is not received, the time is determined to be overtime.
It should be added that the preset timeout time can be set according to the actual design scenario, and is not further limited herein.
And S13, based on the communication link, utilizing a secure shell protocol (SSH) reverse proxy to open a proxy port to the server so that the server can realize management and control based on the proxy port.
In this embodiment, the opening a proxy port to a server by using an SSH reverse proxy based on a communication link includes: generating a port number based on the controller sequence number; based on SSH protocol, SSH reverse proxy is utilized, and port number is mapped to server, so as to obtain proxy port. It should be noted that the mapped proxy port only listens to the local localhost local host, and is not exposed in the public network, so as to avoid external control of the corresponding controller through the corresponding port. In addition, the GATEONE tool is used for displaying the web page webssh, and a GATEONE interface is designed at the back end, so that the front end can conveniently access the design page displayed by the web page webssh.
Still further, generating a port number based on the controller sequence number includes: selecting a controller serial number based on a preset serial number selection rule; and combining the selected controller serial number with a preset numerical value to generate a port number. It should be noted that, by mapping the serial number of the controller to the port number, the controller identification based on the port number is realized, so as to facilitate the remote control of each controller.
In an optional embodiment, the method further comprises: and the port mapping of a larger number of controllers is expanded by adopting modes of expanding network cards and/or expanding the number of servers and the like on the basis of the modes, so that the remote control management of a large number of controllers is facilitated.
In an alternative embodiment, after opening the proxy port to the server using the SSH reverse proxy based on the communication link, the method includes: the back-end detection server detects whether the agent port is opened or not, so that whether the controller is on-line or overtime is judged based on heartbeat detection and/or overtime detection of the controller in the state that the agent port is opened, and a background can conveniently acquire information whether the controller is on-line and information whether the controller is overtime, so that remote control of the controller is realized.
In an alternative embodiment, the method comprises:
the controller initiates a login authentication request to the server based on the built-in certificate;
the server performs login authentication based on the received login authentication request, and obtains login authentication information to return to the controller;
the controller receives login authentication information returned by the server, and establishes a communication link with the server under the condition that the login authentication information is successful;
the controller utilizes a secure shell protocol (SSH) reverse proxy to open a proxy port to the server based on the communication link, so that the server can realize management and control based on the proxy port.
In summary, in the embodiments of the present invention, the public network IP and the proxy port can be assigned to the batch controller through the above manner, and the port is mapped to the server, so that all controllers can be accessed by the background, that is, when the background needs to access any controller, the SSH service of the controller can be accessed through the proxy port mapped thereto, thereby implementing remote control management of the batch controller, providing a convenient manner for entering the controller remotely in a development environment, improving development efficiency and test efficiency, and facilitating embedding into other management systems.
The following describes the management and control apparatus of the vehicle-mounted controller provided by the present invention, and the management and control apparatus of the vehicle-mounted controller described below and the management and control method of the vehicle-mounted controller described above may be referred to in correspondence.
Fig. 3 shows a schematic structural diagram of a management and control device of an on-vehicle controller, which includes:
a login authentication module 31 for initiating a login authentication request to the server;
the link establishing module 32 is used for receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication;
the port agent module 33, based on the communication link, utilizes the SSH reverse proxy to open an agent port to the server, so that the server can implement management and control based on the agent port.
In this embodiment, the login verification module 31 includes: the encryption unit encrypts a key in the built-in certificate based on the built-in certificate to obtain an encrypted key; and a request sending unit which initiates a login authentication request to the server based on the encryption key. Correspondingly, the login authentication information is obtained by the server through comparing the encrypted private key with a preset public key in the server based on the login authentication request.
Accordingly, the server comprises: a request receiving unit which receives a login authentication request sent by the controller; the login verification unit is used for comparing the encryption key with a self preset public key based on a login verification request sent by the controller to obtain login verification information; and an information sending unit for returning the login authentication information to the controller.
It should be noted that the secret key in the certificate built in the controller and the preset public key in the server need to be configured in advance, so that the subsequent server can compare the secret key with the preset public key in the server conveniently, and further, the security verification can be realized. In addition, the controller end needs to set a start script, set AUTOSSSH start service, set SSH connection mode as certificate login, and embed the login certificate in the safe storage area, thereby ensuring the safety of the link by using the built-in certificate and the login method of intranet monitoring.
In an optional embodiment, the apparatus further comprises: and the heartbeat detection module is used for carrying out heartbeat detection according to a preset detection period after establishing a communication link with the server. Still further, the heartbeat detection module includes: a detection period configuration unit configured with a detection period; the detection unit is used for periodically detecting whether the link is normal or not according to a detection period configured in advance in the SSH, and if the number of times of link malfunction reaches a preset number, the link is disconnected and the controller is disconnected; otherwise, the link connection is normal, and the controller is on-line.
It should be noted that the preconfigured detection period and the preset number of times may be set based on the actual operating environment, the detection condition, and the like, and are not further limited herein. For example, if the preset detection period is once every 20 seconds, and the preset number of times is 3, the controller correspondingly detects whether the link is normal every 20 seconds, and if the detection result shows that the link is abnormal for 3 consecutive times, the link is determined to be disconnected.
In an optional embodiment, the heartbeat detection module further includes: and if the reconnection unit is disconnected, the login verification request is initiated to the server again based on the preset reconnection time, so that the functions of heartbeat detection and disconnection and reconnection are realized, and the stability and reliability of connection are ensured.
In an optional embodiment, the apparatus further comprises: a detection report transmission unit that transmits a detection packet to the server based on the communication link after establishing the communication link with the server; the overtime judging unit is used for judging whether the time for waiting to receive the return packet exceeds the preset overtime time or not if the return packet returned by the server based on the detection packet is received; if the return packet is not received, the time is determined to be overtime. It should be added that the preset timeout time can be set according to the actual design scenario, and is not further limited herein.
In this embodiment, the port agent module 33 includes: a port number generation unit that generates a port number based on the controller serial number; and the mapping unit is used for mapping the port number to the server by utilizing the SSH reverse proxy based on the SSH protocol to obtain the proxy port. It should be noted that the mapped proxy port only listens to the local localhost local host, and is not exposed in the public network, so as to avoid external control of the corresponding controller through the corresponding port. In addition, the GATEONE tool is used for displaying the web page webssh, and a GATEONE interface is designed at the back end, so that the front end can conveniently access the design page displayed by the web page webssh.
Still further, the port number generation unit includes: the selection subunit selects a controller serial number based on a preset serial number selection rule; and the port number generation subunit is used for combining the selected controller serial number with a preset numerical value to generate a port number. It should be noted that, by mapping the serial number of the controller to the port number, the controller identification based on the port number is realized, so as to facilitate the remote control of each controller.
In an optional embodiment, the apparatus further comprises: and the expansion module expands port mapping of a greater number of controllers by adopting modes of expanding network cards and/or expanding the number of servers and the like on the basis of the modes, so that remote control management of a large number of controllers is facilitated.
In an alternative embodiment, the apparatus comprises: and the port state detection module is used for detecting whether the proxy port is opened or not by the back-end detection server after the proxy port is opened to the server by utilizing the SSH reverse proxy based on the communication link, so that whether the controller is on line or not is judged based on the heartbeat detection of the controller in the state that the proxy port is opened, the information whether the controller is on line or not is conveniently acquired by a background, and the detection of the controller is realized.
In summary, in the embodiments of the present invention, the device can assign a public network IP and a proxy port to the batch controller, and map the port to the server, so that all controllers can be accessed by the background, that is, when the background needs to access any controller, the SSH service of the controller can be accessed through the proxy port mapped by the background, thereby implementing remote control management of the batch controller, providing a convenient way for a remote access controller in a development environment, improving development efficiency and test efficiency, and facilitating embedding into other management systems.
Fig. 4 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 4: a processor (processor) 41, a communication Interface (communication Interface) 42, a memory (memory) 43 and a communication bus 44, wherein the processor 41, the communication Interface 42 and the memory 43 complete communication with each other through the communication bus 44. The processor 41 may call logic instructions in the memory 43 to perform a method of managing an onboard controller, the method comprising: initiating a login authentication request to a server; receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication; based on the communication link, utilizing a secure shell protocol SSH reverse proxy to open a proxy port to the server so as to realize management and control based on the proxy port by the server.
Furthermore, the logic instructions in the memory 43 may be implemented in the form of software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product including a computer program, the computer program being storable on a non-transitory computer readable storage medium, and when the computer program is executed by a processor, the computer being capable of executing the method for managing and controlling an onboard controller provided by the above methods, the method including: initiating a login authentication request to a server; receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication; based on a communication link, utilizing a secure shell protocol (SSH) reverse proxy to open a proxy port to a server so that the server realizes management and control based on the proxy port.
In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of managing and controlling an on-vehicle controller provided by the above methods, the method including: initiating a login authentication request to a server; receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication; based on the communication link, utilizing a secure shell protocol SSH reverse proxy to open a proxy port to the server so as to realize management and control based on the proxy port by the server.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A management and control method of a vehicle-mounted controller is characterized by comprising the following steps:
initiating a login authentication request to a server;
receiving login authentication information returned by the server based on the login authentication request, and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication;
and opening a proxy port to the server by utilizing a secure shell protocol (SSH) reverse proxy based on the communication link so as to realize management and control of the server based on the proxy port.
2. The method for managing and controlling the vehicle-mounted controller according to claim 1, wherein the opening of the proxy port to the server by using an SSH reverse proxy based on the communication link includes:
generating a port number based on the controller sequence number;
and mapping the port number to the server by utilizing an SSH reverse proxy based on an SSH protocol to obtain a proxy port.
3. The method according to claim 2, wherein the generating a port number based on the controller serial number includes:
selecting a controller serial number based on a preset serial number selection rule;
and combining the selected controller serial number with a preset numerical value to generate a port number.
4. The method for managing and controlling the vehicle-mounted controller according to claim 1, wherein the initiating a login authentication request to the server includes:
encrypting a key in the built-in certificate based on the built-in certificate to obtain an encrypted key;
and initiating a login authentication request to the server based on the encryption key.
5. The method for managing and controlling the vehicle-mounted controller according to claim 4, wherein the login authentication information is obtained by the server by comparing the encrypted private key with a preset public key in the server based on the login authentication request.
6. The method according to claim 5, wherein after establishing the communication link with the server, the method includes:
and carrying out heartbeat detection according to a preset detection period.
7. The method for managing and controlling an on-board controller according to claim 1, further comprising, after the establishing the communication link with the server:
sending a detection packet to the server based on the communication link;
if a return packet returned by the server based on the detection packet is received, judging whether the time for waiting to receive the return packet exceeds preset overtime time or not;
if the return packet is not received, the time is determined to be overtime.
8. The utility model provides a management and control device of on-vehicle controller which characterized in that includes:
the login authentication module initiates a login authentication request to the server;
the link establishing module is used for receiving login authentication information returned by the server based on the login authentication request and establishing a communication link with the server under the condition that the login authentication information is successful in login authentication;
and the port agent module is used for opening an agent port to the server by utilizing a secure shell protocol (SSH) reverse agent based on the communication link so as to realize management and control on the server based on the agent port.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method for managing and controlling an onboard controller according to any one of claims 1 to 7 when executing the program.
10. A non-transitory computer-readable storage medium on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the method of managing and controlling the onboard controllers as claimed in any one of claims 1 to 7.
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| CN202211486484.6A CN115883155A (en) | 2022-11-24 | 2022-11-24 | Management and control method and device for vehicle-mounted controller |
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| CN202211486484.6A CN115883155A (en) | 2022-11-24 | 2022-11-24 | Management and control method and device for vehicle-mounted controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117319481A (en) * | 2023-11-29 | 2023-12-29 | 长沙普洛电气设备有限公司 | Port resource reverse proxy method, system and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117319481A (en) * | 2023-11-29 | 2023-12-29 | 长沙普洛电气设备有限公司 | Port resource reverse proxy method, system and storage medium |
| CN117319481B (en) * | 2023-11-29 | 2024-02-27 | 长沙普洛电气设备有限公司 | Port resource reverse proxy method, system and storage medium |
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