CN106686049B - Position virtual method and position virtual bench - Google Patents
Position virtual method and position virtual bench Download PDFInfo
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- CN106686049B CN106686049B CN201610645940.5A CN201610645940A CN106686049B CN 106686049 B CN106686049 B CN 106686049B CN 201610645940 A CN201610645940 A CN 201610645940A CN 106686049 B CN106686049 B CN 106686049B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
Abstract
The invention discloses a kind of position virtual method and position virtual bench；Method includes: the process injecting codes to terminal, and the calling interface of the positioning service of the terminal is kidnapped based on the code injected；Detect that target application obtains the request of position using the calling interface；Virtual location is constructed, and the virtual location is returned to the target application by the calling interface of the positioning service；Location-based service strategy based on the target application handles the virtual location, forms the location-based service result based on the virtual location.Implement the present invention, is capable of the position of effective virtual terminal in the application.
Description
Technical field
The present invention relates to the position virtual technologies of the communications field more particularly to a kind of position virtual method and position virtually to fill
It sets.
Background technique
The various terminals such as smart phone, tablet computer, car-mounted terminal and wearable device are quickly popularized and are developed.
The type and quantity of application in terminal for installation are various, and many applications provide location-based service, by end
End is positioned, and service relevant to current location, such as neighbouring trade company, public place of entertainment are provided.
Problem is that the service logic of the certain applications in terminal is such that be provided solely for and terminal current location phase
The service of pass is still frequently present of the demand for obtaining other positions (different from terminal current location) relevant service.
For example, developer needs test application to be directed to the service that different location loads in the exploitation test process of application
It is whether normal, in another example, in the use process of application, user may need to check the clothes that the position that will be gone to is capable of providing
Business, but due to the limitation of certain applications, cause user that can not check the related service of any position as needed.
For a kind of such as how effective virtual location of the scheme of universality, to check using the response for being directed to different location,
It there is no effective solution.
Summary of the invention
The embodiment of the present invention provides a kind of position virtual method and position virtual bench, can be with a kind of scheme of universality
The position of effective virtual terminal in the application.
The technical solution of the embodiment of the present invention is achieved in that
In a first aspect, the embodiment of the present invention provides a kind of position virtual method, which comprises
To the process injecting codes of terminal, the calling for kidnapping the positioning service of the terminal based on the code injected is connect
Mouthful；
Detect that target application obtains the request of position using the calling interface；
Virtual location is constructed, and the virtual bit is returned to the target application by the calling interface of the positioning service
It sets；
Location-based service strategy based on the target application handles the virtual location, is formed based on described virtual
The location-based service result of position.
Second aspect, the embodiment of the present invention provide a kind of position virtual bench, and described device includes:
It kidnaps unit and kidnaps the positioning of the terminal based on the code injected for the process injecting codes to terminal
The calling interface of service；
Detection unit, for detecting that target application uses the request of calling interface acquisition position；
Structural unit, for constructing virtual location, and by the calling interface of the positioning service to the target application
Return to the virtual location；
Response unit is handled the virtual location for the location-based service strategy based on the target application, shape
At the location-based service result based on the virtual location.
The third aspect, the embodiment of the present invention provide a kind of position virtual bench, and described device includes:
Pocessor and storage media；Executable instruction is stored in the storage medium, the executable instruction is for drawing
It plays the processor and executes operation below:
To the process injecting codes of terminal, the calling for kidnapping the positioning service of the terminal based on the code injected is connect
Mouthful；
Detect that target application obtains the request of position using the calling interface；
Virtual location is constructed, and the virtual bit is returned to the target application by the calling interface of the positioning service
It sets；
Location-based service strategy based on the target application handles the virtual location, is formed based on described virtual
The location-based service result of position.
The embodiment of the present invention has the advantages that
1) processing of virtual location is to return to virtual location completion, any system to target application by kidnapping calling interface
System (whether open position supports open position virtual functions), it is real always by the calling to calling interface to terminal positioning
Existing, therefore by the abduction to calling interface, the position that can be adapted in all systems is virtual, strong applicability；
2) whether open with the position virtual functions of system unrelated, even if the position Virtual Service of system is closed, also can
Virtual location is returned to target application, whether is not allowed to be influenced using position virtual functions by the system of terminal；
3) for target application, the abduction to calling interface is transparent, therefore target application is always by return
Position is identified as the actual position of terminal, is not in the case where refusing to respond to the virtual location of return.
Detailed description of the invention
Fig. 1 is an optional hardware structural diagram of position virtual bench provided in an embodiment of the present invention；
Fig. 2 is the setting schematic diagram of the position Virtual Service of Android system provided in an embodiment of the present invention；
Fig. 3 is a virtual optional flow diagram of position provided in an embodiment of the present invention；
Fig. 4 is a virtual optional flow diagram of position provided in an embodiment of the present invention；
Fig. 5 is a virtual optional flow diagram of position provided in an embodiment of the present invention；
Fig. 6-1 is that the virtual optional process of position provided in an embodiment of the present invention that carries out in map application is illustrated
Figure；
When Fig. 6-2 is that the calling interface of positioning service provided in an embodiment of the present invention is not kidnapped, map application is to calling
Interface is called to obtain the schematic diagram of position；
When Fig. 6-3 is that the calling interface of positioning service provided in an embodiment of the present invention is kidnapped, map application is to calling interface
It is called to obtain the schematic diagram of position；
Fig. 6-4 is an optional place provided in an embodiment of the present invention for obtaining position after injecting codes in map application
Manage schematic diagram；
Fig. 7-1 is that the virtual optional process of position provided in an embodiment of the present invention that carries out in social application is illustrated
Figure；
Fig. 7-2 is the optional display signal provided in an embodiment of the present invention that virtual location is demarcated in social application
Figure；
Fig. 7-3 is that terminal provided in an embodiment of the present invention carries out a virtual optional processing of position in map application
Schematic diagram；
When Fig. 7-4 is that the calling interface of positioning service provided in an embodiment of the present invention is not kidnapped, social application is to calling
Interface is called to obtain the schematic diagram of position；
When Fig. 7-5 is that the calling interface of positioning service provided in an embodiment of the present invention is held as a hostage, social application connects calling
Mouth is called to obtain the schematic diagram of position；
Fig. 8-1 is a virtual optional flow diagram of position provided in an embodiment of the present invention；
Fig. 8-2 is provided in an embodiment of the present invention when the calling interface of positioning service is held as a hostage, and map application is to calling
Interface is called to obtain the schematic diagram of position；
Fig. 8-3 is provided in an embodiment of the present invention when the calling interface of positioning service is held as a hostage, and social application is to calling
Interface is called to obtain the schematic diagram of position；
Fig. 9 is an optional illustrative view of functional configuration of position virtual bench provided in an embodiment of the present invention.
Specific embodiment
The present invention is further described in detail below with reference to the accompanying drawings and embodiments.It should be appreciated that mentioned herein
Embodiment is only used to explain the present invention, is not intended to limit the present invention.In addition, embodiment provided below is for implementing
Section Example of the invention, rather than provide and implement whole embodiments of the invention, in the absence of conflict, the present invention is implemented
Example record technical solution can mode in any combination implement.
The embodiment of the present invention is provided as the position virtual bench of position virtual method and application site virtual method, under
Different implementations in face of position virtual method and corresponding position virtual bench are illustrated.
Position virtual method provided in an embodiment of the present invention can there are many implementations, such as:
1) implement in server side, server application and platform.
The embodiment of the present invention can provide the application software designed using programming languages such as C/C++, Java or large software system
Dedicated software modules in system, run on server (stored in the storage medium of server in a manner of executable instruction, and
Being run by the processor of server end) execution position is virtual.
The embodiment of the present invention can also be provided as on the distribution of multiple servers composition, parallel computing platform, be carried
Customization, be easy to interactive the network interface (Web) or other each user interfaces (UI, User Interface), according to user
It is virtual to carry out position for application for the position set in interface.
2) implement in terminal side, be provided as applying or module.
The embodiment of the present invention can provide for use the programming languages such as C/C++, Java design application or module, module can
To be embedded into the various terminals based on the systems such as Android or iOS, so that the computing resource of directly using terminal itself carries out position
It sets virtual.
The position virtual bench of application site virtual method provided in an embodiment of the present invention can there are many implementation, examples
Such as:
1) realize that illustratively, terminal can be smart phone, tablet computer, wearing based on the computing resource in terminal
The various forms of terminals such as formula equipment (smartwatch, intelligent glasses) and car-mounted terminal.
2) in addition, position virtual bench is also based on the computing resource in the computing platform that server or server are set up
It realizes.
The hardware configuration for the position virtual bench that can be applied to terminal or server is illustrated, is shown referring to Fig. 1
Position virtual bench 10 an optional hardware structural diagram, position virtual bench 10 includes:
Processor 11, input/output interface 13, storage medium 14 and network interface 12, component can be through system bus
Connection communication.
Processor 11 can using central processing unit (CPU), microprocessor (MCU, Microcontroller Unit), specially
With integrated circuit (ASIC, Application Specific Integrated Circuit) or logic programmable gate array
(FPGA, Field-Programmable Gate Array) is realized, for based on the executable finger stored in storage medium 14
It enables and completes the virtual relevant treatment in position.
Input/output interface 13 can be realized using such as display screen, touch screen, loudspeaker input/output device, be used for
The virtual pilot process in display position and result.
Storage medium 14 can be realized using non-volatile memory mediums such as flash memory, hard disk, CDs, can also be used double
The volatile storage mediums such as rate (DDR, Double Data Rate) dynamic buffering realize that illustratively, storage medium 14 can be with
It is arranged jointly in same equipment (such as terminal or server) with the other assemblies in hardware configuration, it can also be with respect to hardware configuration
In other assemblies place remote setting.
Network interface 12 provides the access ability of the external data storage medium 14 that such as strange land is arranged, example to processor 11
Property, network interface 12 can be based on near-field communication (NFC, Near Field Communication) technology, bluetooth
(Bluetooth) short-range communication that technology, purple honeybee (ZigBee) technology carry out, furthermore it is also possible to realize as more based on code point
Location (CDMA, Code Division Multiple Access), wideband code division multiple access (WCDMA, Wideband Code
Division Multiple Access) etc. communication standards and its evolution standard communication.
Before the present invention will be described in further detail, noun involved in the embodiment of the present invention and term are said
Bright, noun involved in the embodiment of the present invention and term are suitable for following explanation.
1) location based service (LBS, Location Based Services), also known as positioning service are by mobile logical
A kind of business that one of communication network and global position system combination or both provide passes through the position letter that location technology obtains terminal
It ceases (such as latitude and longitude coordinates data), is supplied to mobile subscriber or other people and communication system, it is various with position phase to realize
The business of pass.
2) position Virtual Service, the service of the current location of the permission virtual terminal provided in terminal, virtual position can
Think any position, can be used for developing service (such as function relevant to different location in test (such as map, navigation type application)
Or information).
3) Hook (hook): the program of the abduction treatment mechanism of message, actually one processing message (can also be considered as
Code), with monitor designated program (or process) specific message or event (such as the input of keyboard, mouse, screen word-selecting,
Log event), after monitoring message or event, kidnap message or particular event to obtain the control of message or event,
It can be processed (change) message or event, can not also deal with and continue to transmit message or event to specified journey
Sequence can also force the transmitting of end message or event.
4) Shellcode, really one section of code (being also possible to fill data), are set for being sent to equipment and utilizing
Particular vulnerability obtains the code of permission, the root authority of general available highest permission such as Android system in standby system.Separately
Outside, Shellcode is usually that data is used as to be sent to equipment.
5) executable code block code injection: is injected into specified process.
6) target application, user need to input the application of virtual location (generally, the position current different from user), from
And make to load relevant service using the virtual location based on input.
7) process, application in operating status, occupying system resources can also be with using can only run a process
Multiple processes are run simultaneously.
As previously mentioned, the service logic of the certain applications in terminal is such that be provided solely for and terminal current location phase
The service of pass is still frequently present of and obtains other positions (different from terminal current location) relevant service.
In view of the above problems, a kind of position virtual method provided in an embodiment of the present invention, is said for scene below
Bright: terminal operating Android system is equipped with social application, and user needs in social application virtual other positions (different from terminal
Current location), so as to check the relevant service (such as neighbouring good friend, neighbouring stranger) of other positions.
Setting schematic diagram such as Fig. 2 institute of the primary position Virtual Service of Android system (referred to as primary position Virtual Service)
Show, user is virtual to carry out position by manually opened position Virtual Service, that is, exportable virtual location, runs one in the terminal
For opening the third party position Virtual Service of position Virtual Service primary in terminal operating system, referring to the position shown in Fig. 3
Set a virtual optional flow diagram, comprising the following steps:
Step 101, third party position Virtual Service opens the primary position Virtual Service in positioning service.
Process is the basic executing subject of application, and correspondingly, from the angle of process, above-mentioned steps 101 can be in this way
Mode realize, by third party position Virtual Service process open positioning service process in primary position Virtual Service.
Positioning service be installed in positioning service or terminal primary in the operating system of terminal it is third-party fixed
Position service, for positioning skill based on various location technologies such as global satellite signal framing technology, base station location technology, network assistance
Art etc., positions terminal.
Step 102, third party position Virtual Service is sent to positioning service needs virtual position.
From the angle of process, above-mentioned steps 102 can be realized in this way, by third party position Virtual Service
Process is sent to the process of positioning service needs virtual position.
Generally, virtual position is different from the physical location of terminal.Illustratively, it is assumed that user holds terminal and is located at position
1 is set, if the good friend positioned at position 2 (different from position 1) nearby is checked in user's expectation in social application, is virtually taken in position
Position 2 is preset in business.
Step 103, social application is to the position of request for location services terminal.
From the angle of process, above-mentioned steps 103 can be realized in this way, and the process of social application takes to positioning
The position of the process requested terminal of business.
Illustratively, social when triggering location based service (such as checking nearby friends) in social application as user
Using to the position of request for location services terminal.
Step 104, positioning service returns to virtual location to social application by primary position Virtual Service.
From the angle of process, above-mentioned steps 102 can be realized in this way, and the process of positioning service passes through primary
Position Virtual Service returns to virtual location to the process of social application.
Aforementioned exemplary is connected, since user presets position 2 in the Virtual Service of position, positioning service passes through primary position
It sets Virtual Service and returns to virtual position 2 to social application, realize the effect to social application " deception ".Social application will
Position 2 is identified as the physical location of terminal, good friend and load near searching position 2.
It can be seen that above-mentioned position virtual method provided in an embodiment of the present invention, it is empty by the primary position of calling system
Quasi- service forms virtual location, and social application is made to load service relevant to virtual location.But inventors have found that upper rheme
Setting virtual scheme, there are such problems:
1) the primary position Virtual Service of system is relied on, currently, considerable apply when providing location based service, one
Denier detects that the primary position Virtual Service of system is opened, and just will be considered that the position for returning to application is false position, refusal
The position for returning to application is responded, leads to not obtain service relevant to virtual location.
2) by taking the operating system of terminal is Android system as an example, the ecological fragmentation of Android system is extremely serious, different whole
The operating system at end is often manufacturer based on official system's modification customization, and considerable custom-built system is not turned on virtual location
Function causes the scheme of above-mentioned virtual location that can not cover all terminals.
In view of the above problems, inventors have found that no matter terminal operating which kind of system, arbitrarily applying in terminal providing base
In position service and when needing to obtain the physical location of terminal, realized always by the calling interface of positioning service is called,
The embodiment of the present invention also provides a kind of position virtual method, as shown in figure 4, the position Virtual Service primary in terminal operating system
When being in close state, by the way of the process injecting codes to terminal, the positioning based on the code highjacking injected
Calling interface (the step 201) of service；When detecting that target application obtains the request (step 202) of position using calling interface,
In response, virtual location (step 203) is constructed, and returns to virtual location (step 204) to the calling interface of positioning service, is made
It obtains the location-based service strategy based on target application to handle virtual location, forms the location-based service result based on virtual location
(step 205).
As can be seen that being obtained to target application by way of the calling interface for kidnapping positioning service (for example, above-mentioned
Social application) obtain terminal physical location process control, once target application has the physical location for obtaining terminal
Request then returns to virtual location to target application by the calling interface kidnapped.
Since the processing of above-mentioned return virtual location is to be completed by kidnapping calling interface, and target is answered in all systems
It is called acquisition always by calling interface with position is obtained, it is unrelated with whether the position Virtual Service of system opens, because
This can be adapted for all systems；
Due to the position Virtual Service primary independent of system, even if the primary position Virtual Service of system is closed
It closes, it is virtual to complete position also can to return to virtual location to target application；
For target application, the abduction to calling interface is transparent, therefore target application is always by the position of return
The actual position for being identified as terminal is set, is not in the case where target application refuses to respond the virtual location of return.
In practical application, there are at least two different modes for the process of aforementioned injecting codes, such as can be to target application
Carry out injecting codes, alternatively, location-based service (referred to as positioning service) injecting codes primary into terminal operating system,
It is directed to the injecting codes in the process of target application first below and realizes that position is virtually illustrated.To carry out position
Virtually, third-party position Virtual Service (abbreviation third party position Virtual Service) is run in the terminal, by third party position void
The quasi- process injecting codes serviced to target application, line position of going forward side by side set virtual relevant treatment.It should be noted that in order to avoid
Target application refusal responds the virtual location of return, needs to close the primary position Virtual Service of terminal operating system.
Referring to a virtual optional flow diagram of the position shown in Fig. 5, comprising the following steps:
Step 301, target application from third party position Virtual Service to terminal process injecting codes.
In one embodiment, third party position Virtual Service obtains root (root) user right of system, with system root
User right loads executable code in the process of target application, so as to enforce in the process of target application
Code.
Illustratively, target application can be the application arbitrarily provided in terminal with location dependant services, such as digital map navigation
Class application, social application and online shopping application etc..
The processing of injecting codes is illustrated by taking terminal operating Android operation system as an example, to target application injecting codes
It is the injecting codes into the process of target application, and injection executes library file required for code in systems.It can pass through
The mode for sending Shellcode to the system of terminal obtains root authority, after the root authority for obtaining terminal operating system,
The processing of injecting codes the following steps are included:
Step 3011, the storage allocation in the process of target application.
Target process calls memory headroom mapping (mmap) function to apply for memory headroom in proceeding internal memory.
Step 3012, code and parameter are written into the process of target application.
The function name character string to be called in the name character string and library file of the library file that will be injected, is written to mesh
Mark the memory headroom of the process of application.
Step 3013, the code in operational objective process, by code call open dynamic link library (dlopen) function Lai
It is loaded into library file.
Step 302, in the process of implementation, the calling for kidnapping positioning service connects the code injected in the process of target application
Mouthful.
In one embodiment, target application from third party position Virtual Service to terminal process injecting codes so that
Code can be executed in the memory headroom of the process of target application, be injected by execution in the process of target application
Code kidnaps the calling interface of positioning service.
Step 303, the code injected in the process of target application in the process of implementation, detects that target application is based on calling
The request of interface acquisition position.
In one embodiment, come as target application always by mode as the calling interface for calling positioning service
The position of terminal is obtained, therefore, when executing injecting codes in the process of target application, code once detects in the process of implementation
It is directed to the calling of calling interface to the process of target application, that is, determines that target application has the request for the position for obtaining terminal.
Step 304, the code injected in the process of target application in the process of implementation, constructs virtual location.
In one embodiment, the code injected in the process of target application performs the following operation in the process of implementation: will
The replacement positioning service of third party position Virtual Service, the virtual location constructed in the process of third party position Virtual Service,
Exactly by third party position Virtual Service construction virtual location to return to target application, due to the primary position Virtual Service of system
It is not turned on, for target, " does not know " that the calling interface of positioning service has been held as a hostage；Therefore third can be used
Set " deception " of the Virtual Service realization to target application in orientation.
Step 305, the code injected in the process of target application in the process of implementation, is connect by the calling of positioning service
Mouthful, virtual location is returned to target application.
In one embodiment, the code of the process injection of target application executes following operation, and third party position is virtual
Service arrangement virtual location is returned via calling interface to the process of target application.
For example, the code injected in the process of target application is in the process of implementation, the loading third-party position in target application
The mark of Virtual Service is set, prompts user can be with virtual location, when user demarcates a virtual location (difference in target application
In the physical location of user) when, the operation of virtual location is demarcated in target application in response to user, it is virtual by third party position
Service arrangement virtual location data corresponding with calibration point.
Step 306, target application is handled virtual location based on the location-based service strategy of target application, and formation is based on
The location-based service result of virtual location.
In one embodiment, virtual location execution position service strategy, position clothes are directed in the process of target application
Business strategy is used for the position of reflexless terminal, acquisition and the associated service in position, such as associated function and/or information, and in terminal
Graphical interfaces in load function and/or information.
It is illustrated below with reference to different application scenarios:
Scene 1) server to online map application is tested, needs to demarcate different positions in map application
Set, test the function of calling a taxi of map application, preset logic is in map application, if the starting point when initiation of user is called a taxi with
User current location gap is excessive and does not submit order, for this reason, it may be necessary to carry out to the start position that initiation is called a taxi virtual.
Referring to Fig. 6-3, map application loads the Orientation on map interface with position 1 for calibration point in graphical interfaces, at this point,
If the calling interface of positioning service is not held as a hostage, even if user sets 2 as calling a taxi in the acceptance of the bid positioning of Orientation on map interface
Start position, then map application will be seen that user's physical location 1 is excessive with calibration 2 span of position and refuses to initiate order (example
Such as prompt malposition).
Referring to Fig. 6-1 and Fig. 6-4, third party position Virtual Service injecting codes (step in the process of map application
401), in the process of implementation, to map application process calls the calling interface of positioning service to be kidnapped (step to the code of injection
402), in the graphical interfaces of map application loading third-party position Virtual Service mark, prompt user fixed in map
A virtual location is demarcated at position interface, is called in map application process to calling interface and is searched position (step 403), referring to
Fig. 6-2, the virtual location data generated using third party position Virtual Service based on the virtual location 2 of calibration, passes through abduction
Calling interface returns to map and answers process (step 404), " does not know " that calling interface is held as a hostage for map application process,
Therefore physical location of the position 2 calling interface returned as user, map application find user in Orientation on map interface
The position 2 of calibration is consistent with the physical location 2 of the user inquired, in response, rises using virtual position 2 as what is called a taxi
Initiate order in point position.
Scene 2) target application of terminal operating is social application, user holds terminal and is located at position 1, need to answer in social activity
The good friend near position 2 is checked in.
Social application, which loads Orientation on map interface and demarcates user, is presently in position, and social application adds in graphical interfaces
Carrying with position 1 is the Orientation on map interface of calibration point, referring to Fig. 7-4, social application by the calling interface to positioning service into
Row calls the current location for obtaining user, at this point, if the calling interface of positioning service is not held as a hostage, even if user is in map
Locating interface acceptance of the bid positioning sets 2, then social application will be seen that user's physical location 1 is excessive with calibration 2 span of position and refuses
Response (such as prompt malposition) responds the position 2 that user demarcates to refusal.
Virtual Service injecting codes in the process of social application in third party position call positioning service to social application
Calling interface is kidnapped, referring to Fig. 7-2, the mark of loading third-party position Virtual Service in the graphical interfaces of social application
Know, prompts user that can demarcate a virtual location at Orientation on map interface, completed by injecting codes in the process of social application
Abduction to the calling interface of positioning service, the void generated using third party position Virtual Service based on the virtual location 2 of calibration
Quasi- position data returns to social application by the calling interface of abduction, calling interface " is not known " for social application
Physical location of the position 2 be held as a hostage, therefore calling interface is returned as user, social application find user in Orientation on map
The position 2 demarcated in interface is consistent with the physical location 2 of the user inquired, therefore inquires near the position 2 of user's calibration
Good friend simultaneously loads in the graphical interfaces of social application.
User is located at position 1 in the positioning map interface of social application, and user, which needs to check in social application, to be located at
Good friend near position 2, third party position Virtual Service prompt user can with virtual location, correspondingly, as shown in Fig. 7-3, the
Tripartite position Virtual Service supports user to demarcate a virtual position 2, automatically (actually by the position location in social application
For position 1) virtual position 2 is replaced with, so that social application is searched the good friend of user based on virtual position 2.
Referring to Fig. 7-1, third party position Virtual Service process (process of third party position Virtual Service) is by code injection
To the process (step 501) of social application, injecting codes kidnap the calling interface that social application obtains positioning using hook technology
(step 502) therefore when the calling interface of social application calling system is positioned (step 503), participates in Fig. 7-3, so that
Positioning service returns to a void to social application without normal direction social application process return position, third party position Virtual Service process
Quasi- 2 (step 504) of position, achievees the purpose that virtual location.
When the calling interface of the positioning service as shown in Fig. 7-4 is not kidnapped, it is called using to calling interface to obtain
The schematic diagram that fetch bit is set；In Android system, when application process needs to obtain the current location of terminal, positioning service can be called to obtain
Take the current location at family.
When the calling interface of the positioning service as shown in Fig. 7-5 is held as a hostage, it is called using to calling interface to obtain
The schematic diagram of position；Third party position Virtual Service process kidnaps social application process by internuncial mode and obtains positioning
Request will be realized the code injection social application process for kidnapping function, and be operated in social application process.When code is run
When, can replace positioning service (the primary positioning service or third-party positioning service of system) first is that third party position virtually takes
Business, when social application process is when request positions, third party position Virtual Service process is answered by calling interface to social activity
Virtual location is returned with process, since social application process calls the calling interface of positioning service to be held as a hostage, can not be differentiated
The authenticity of the virtual location of return, in this way, no matter process is forged in position carries out which kind of position to social application, social application is all
It can be identified as the current actual position of terminal and be responded, to reach the function of realizing virtual location.
Above by target application process injecting codes realize that position is virtual for be illustrated, as to target application
The alternative solution of injecting codes in process, can in positioning service process injecting codes, thus, any application obtains in systems
Virtual location can be returned to by taking when positioning.
Below again for positioning service (positioning service that social application uses, the primary positioning service such as system, or
The third-party positioning service installed in system) process in injecting codes realize position be virtually illustrated.To carry out position
Virtually, a third-party position Virtual Service (abbreviation third party position Virtual Service) is run in the terminal, by third party position
For Virtual Service to the process injecting codes of positioning service, line position of going forward side by side sets virtual relevant treatment.It should be noted that in order to keep away
Exempt from target application refusal to respond the virtual location of return, the primary position for needing to close terminal operating system virtually takes
Business.Referring to a virtual optional flow diagram of the position shown in Fig. 8-1, comprising the following steps:
Step 601, positioning service from third party position Virtual Service to terminal process injecting codes.
In one embodiment, third party position Virtual Service obtains root (root) user right of system, with system root
User right loads executable code in the process of positioning service, so as to positioning service process in force to hold
Line code.
Illustratively, target application can be the application arbitrarily provided in terminal with location dependant services, such as digital map navigation
Class application, social application, online shopping application etc..
The processing of injecting codes is illustrated by taking terminal operating Android operation system as an example, to positioning service injecting codes
It is the injecting codes into the process of positioning service, and injection executes library file required for code, aforesaid operations in systems
It can be realized by way of sending Shellcode to the system of terminal, after the root authority for obtaining terminal operating system,
The processing of injecting codes the following steps are included:
Step 6011, the storage allocation in the process of positioning service.
Target process calls memory headroom mapping (mmap) function to apply for memory headroom in proceeding internal memory.
Step 6012, code and parameter are written into the process of positioning service.
The function name character string to be called in the name character string and library file of the library file that will be injected, it is fixed to be written to
The memory headroom of the process of position service.
Step 6013, the code in positioning service process is run, is called by code and opens dynamic link library (dlopen) letter
Number is to be loaded into library file.
Step 602, in the process of implementation, the calling for kidnapping positioning service connects the code injected in the process of positioning service
Mouthful.
In one embodiment, positioning service from third party position Virtual Service to terminal process injecting codes so that
Code can be executed in the memory headroom of the process of positioning service, be injected by execution in the process of positioning service
Code kidnaps the calling interface of positioning service.
Step 603, the code injected in the process of positioning service in the process of implementation, detects that target application is based on calling
The request of interface acquisition position.
In one embodiment, side as the calling interface as target application always by calling system positioning service
Formula obtains the position of terminal, and therefore, when executing injecting codes in the process of positioning service, code is in the process of implementation once
It detects that the process of target application is directed to the calling of calling interface, that is, determines that target application has asking for the position for obtaining terminal
It asks.
Step 604, the code injected in the process of positioning service in the process of implementation, constructs virtual location.
In one embodiment, the code injected in the process of target application performs the following operation in the process of implementation: will
Third party position Virtual Service replaces positioning service, and the virtual location that the process of third party position Virtual Service is constructed returns to mesh
The realization of third party position Virtual Service can be used since the primary position Virtual Service of system is not turned in mark application
" deception " to target application.
Step 605, the code injected in the process of positioning service in the process of implementation, is connect by the calling of positioning service
Mouthful, virtual location is returned to target application.
In one embodiment, the code of the process injection of positioning service executes following operation, and third party position is virtual
The virtual location of service arrangement is returned via calling interface to target application.
For example, the code injected in the process of positioning service is in the process of implementation, the loading third-party position in target application
The mark of Virtual Service is set, prompts user can be with virtual location, when user demarcates a virtual location (difference in target application
In the physical location of user) when, the operation of virtual location is demarcated in target application in response to user, passes through third party position void
Quasi- service arrangement virtual location data corresponding with calibration point.
Step 606, target application is handled virtual location based on the location-based service strategy of target application, and formation is based on
The location-based service result of virtual location.
In one embodiment, virtual location execution position service strategy is directed in the process of target application, in general, position
The position that service strategy is reflexless terminal, acquisition and the associated service in position, such as associated function and/or information are set, and at end
Function and/or information are loaded in the graphical interfaces at end.
It is illustrated below with reference to different application scenarios:
Scene 1) server to online map application is tested, needs to demarcate different positions in map application
Set, test the function of calling a taxi of map application, preset logic is in map application, if the starting point when initiation of user is called a taxi with
User current location gap is excessive and does not submit order, for this reason, it may be necessary to carry out to the start position that initiation is called a taxi virtual.
Map application loads the Orientation on map interface with position 1 for calibration point in graphical interfaces, at this point, if positioning clothes
The calling interface of business is not held as a hostage, even if user sets 2 as the start position called a taxi in the acceptance of the bid positioning of Orientation on map interface, that
Map application will be seen that user's physical location 1 and calibration 2 span of position it is excessive and refuse initiate order (such as prompt position not
Correctly).
It is being held referring to the code of Fig. 8-2, third party position Virtual Service injecting codes in the process of positioning service, injection
During row, to map application process calls the calling interface of positioning service to be kidnapped (step 402), in the figure of map application
The mark of loading third-party position Virtual Service in shape interface prompts user that can demarcate a virtual bit at Orientation on map interface
It sets, calling interface is called in map application process and searches position, using third party position Virtual Service based on calibration
The virtual location data that virtual location 2 generates return to map by the calling interface of abduction and answer process, for map application process
For physical location of the position 2 as user " not knowing " that calling interface is held as a hostage, therefore calling interface is returned, map
Using the position 2 that discovery user demarcates in Orientation on map interface, it is consistent with the physical location 2 of the user inquired, as sound
It answers, initiates order using virtual position 2 as the start position called a taxi.
Scene 2) target application of terminal operating is social application, user holds terminal and is located at position 1, need to answer in social activity
The good friend near position 2 is checked in.
Referring to Fig. 8-3, social application process, which loads Orientation on map interface and demarcates user, is presently in position, social application
Load is the Orientation on map interface of calibration point with position 1 in graphical interfaces, and social application is by connecing the calling of positioning service
Mouth is called the current location for obtaining user, at this point, if the calling interface of positioning service is not held as a hostage, even if user exists
Orientation on map interface acceptance of the bid positioning sets 2, then social application will be seen that user's physical location 1 and calibration 2 span of position it is excessive and
(such as prompt malposition) is refused to respond to which refusal responds the position 2 that user demarcates.
Virtual Service injecting codes in the process of positioning service in third party position call positioning service to social application
Calling interface is kidnapped, the mark of loading third-party position Virtual Service in the graphical interfaces of social application, prompts user
A virtual location can be demarcated at Orientation on map interface, be completed based on the injecting codes in positioning service process are executed to positioning
The abduction of the calling interface of service, the virtual location generated using third party position Virtual Service based on the virtual location 2 of calibration
Data return to social application process by the calling interface of abduction, and " knowing " calling does not connect for social application process
Mouth is held as a hostage, therefore physical location of the position 2 that calling interface is returned as user, and social application finds that user is fixed in map
The position 2 demarcated in the interface of position, is consistent with the physical location 2 of the user inquired, therefore inquires near the position 2 of user's calibration
Good friend and loaded in the graphical interfaces of social application.
It is illustrated in conjunction with logical functional structure of the Fig. 9 to aforementioned location virtual bench, it should be pointed out that when in Fig. 9
The logical functional structure of the position virtual bench shown is only exemplary, can be with based on the logical functional structure shown in Fig. 8
There are other deformations, such as unit therein is further split, or unit therein is merged.
Logic function unit shown in Fig. 9 can be realized by corresponding computing resource.For example, when position virtual bench is taking
When business device side is implemented for being tested for the response of different location application, each unit in the virtual bench of position can be by
Computing resource in server is realized, it is real such as to run the executable instruction being stored in storage medium in memory by processor
It is existing.For another example when position virtual bench is related to virtual location to use for virtual location in the application in terminal side implementation
Service when, each unit in the virtual bench of position can be realized by the computing resource in terminal, such as by processor in memory
The middle executable instruction being stored in storage medium that runs is realized.
In Fig. 9, position virtual bench includes: to kidnap unit 21, detection unit 22, structural unit 23, response unit 24
With closing unit 25.
Closing unit 25, primary position Virtual Service in the operating system for closing terminal, due to the original in terminal
When raw position Virtual Service is opened, the certain applications family in terminal the position of return can be adjudicated as virtual location and refuse into
Row response, therefore primary position Virtual Service is closed to avoid such case.
Unit 21 is kidnapped, for the process injecting codes to terminal, the positioning clothes based on the code highjacking injected
The calling interface of business.
In practical application, there are at least two different modes for the process of injecting codes, such as can to target application into
Row injecting codes, alternatively, location-based service (referred to as positioning service) injecting codes primary into terminal operating system, below it is right
Injecting codes are illustrated with the different modes for kidnapping calling interface.
Mode 1)
In one embodiment, kidnap unit 21, be also used to target application from system root user permission to terminal into
Loading code in journey, and code is enforced in the process of target application；It is injected in the process applied by performance objective
Code, kidnap the calling interface of positioning service.
It is right by taking terminal operating Android operation system as an example, it is into the process of target application to target application injecting codes
Injecting codes, and injection executes library file required for code in systems, aforesaid operations can be by sending out to the system of terminal
It send the mode of Shellcode to realize, after the root authority for obtaining terminal operating system, kidnaps the place of 21 injecting codes of unit
Reason the following steps are included:
Step 3011, the storage allocation in the process of target application.
Target process calls memory headroom mapping (mmap) function to apply for memory headroom in proceeding internal memory.
Step 3012, code and parameter are written into the process of target application.
The function name character string to be called in the name character string and library file of the library file that will be injected, is written to mesh
Mark the memory headroom of the process of application.
Step 3013, the code in operational objective process, by code call open dynamic link library (dlopen) function Lai
It is loaded into library file.
Mode 2)
In one embodiment, unit 21 is kidnapped, the process injecting codes of the positioning service to terminal are also used to, by holding
The code that row is injected in the process of positioning service, kidnaps the calling interface of positioning service.
The processing of injecting codes is illustrated by taking terminal operating Android operation system as an example, to positioning service inject generation
Code is the injecting codes into the process of positioning service, and injection executes library file required for code, above-mentioned behaviour in systems
Make can to the system of terminal send Shellcode by way of realize, obtain terminal operating system root authority it
Afterwards, kidnap unit 21, the processing of injecting codes the following steps are included:
Step 5011, the storage allocation in the process of positioning service.
Target process calls memory headroom mapping (mmap) function to apply for memory headroom in proceeding internal memory.
Step 5012, code and parameter are written into the process of positioning service.
The function name character string to be called in the name character string and library file of the library file that will be injected, it is fixed to be written to
The memory headroom of the process of position service.
Step 5013, the code in positioning service process is run, is called by code and opens dynamic link library (dlopen) letter
Number is to be loaded into library file.
Detection unit 22, for detecting that target application uses the request of calling interface acquisition position.
Corresponding foregoing manner 1), in one embodiment, since target application is always by the calling for calling positioning service
Therefore mode as interface realizes detection when executing injecting codes in the process of target application to obtain the position of terminal
The function of unit 22, code once detect that the process of target application is directed to the calling of calling interface in the process of implementation, i.e., really
It sets the goal using the request with the position for obtaining terminal.
Corresponding foregoing manner 2), in another embodiment, since target application is always by calling system positioning service
Calling interface as mode obtain the position of terminal, it is therefore, real when executing injecting codes in the process of positioning service
The function of existing detection unit 22, code once detect that the process of target application is directed to the tune of calling interface in the process of implementation
With that is, determining target application has the request for the position for obtaining terminal.
Structural unit 23 returns to void to target application for constructing virtual location, and by the calling interface of positioning service
Quasi- position.
Corresponding foregoing manner 1), in one embodiment, the code injected in the process of target application is in the process of implementation
The function of realizing structural unit 23, performs the following operation: third party position Virtual Service being replaced positioning service, by third orientation
The virtual location for setting the process construction of Virtual Service, returns to target application, since the primary position Virtual Service of system is not opened
It opens, therefore " deception " of the Virtual Service realization in third party position to target application can be used.
Corresponding foregoing manner 2), in one embodiment, the code injected in the process of target application is in the process of implementation
The function of realizing structural unit 23, performs the following operation: third party position Virtual Service being replaced positioning service, by third orientation
The virtual location for setting the process construction of Virtual Service returns to target application, since the primary position Virtual Service of system is not opened
It opens, therefore " deception " of the Virtual Service realization in third party position to target application can be used.
Response unit 24 is handled virtual location for the location-based service strategy based on target application, and formation is based on
The location-based service result of virtual location.
In one embodiment, virtual location execution position service strategy is directed in the process of target application, in general, position
Service strategy is the position of reflexless terminal, acquisition and the associated service in position, such as associated function and/or information, and in terminal
Graphical interfaces in load function and/or information.
In conclusion the embodiment of the present invention has the advantages that
It 1) to the processing that target application returns to virtual location is completed by kidnapping calling interface, independent of terminal operation
It is unrelated whether the position functions of system open, therefore can be adapted for all systems (whether guard system it is virtual do not provide position
Service), it is versatile.
Even if 2) the position Virtual Service of system is closed, also virtual location can be returned to target application.
3) for target application, the abduction to calling interface is transparent, therefore target application is always by return
Position is identified as the actual position of terminal, is not in the case where refusing to respond to the virtual location of return.
4) it by way of kidnapping target application injecting codes, may be implemented only to answer virtual location in need
With the effect for carrying out position camouflage, other applications will not be had an impact.
5) it by way of kidnapping positioning service injecting codes, may be implemented to carry out application position of overall importance
Virtual effect does not need to be injected separately into code for each application using position, and treatment effeciency is high.
It will be appreciated by those skilled in the art that: realize that all or part of the steps of above method embodiment can be by answering
It is completed with relevant hardware is instructed, application above-mentioned can be stored in a computer readable storage medium, this is applied
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: movable memory terminal, deposits at random
Access to memory (RAM, Random Access Memory), read-only memory (ROM, Read-Only Memory), magnetic disk or
The various media that can store application code such as CD.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independent product
When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the present invention is implemented
The technical solution of example substantially in other words can be embodied in the form of software products the part that the relevant technologies contribute,
The computer software product is stored in a storage medium, including some instructions are used so that terminal (can be with
It is personal computer, server or network terminal etc.) execute all or part of each embodiment the method for the present invention.
And storage medium above-mentioned includes: that movable memory terminal, RAM, ROM, magnetic or disk etc. are various can store application code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (12)
1. a kind of position virtual method, which is characterized in that the described method includes:
The process of target application or positioning service to terminal is injected independently of position Virtual Service primary in operating system
Code kidnaps the calling interface of the positioning service of the terminal based on the code injected；
The request for obtaining position using the calling interface by the code detection target application injected, when detecting described ask
When asking, virtual location is constructed, and the virtual location is returned to the target application by the calling interface of the positioning service；
Location-based service strategy based on the target application handles the virtual location, is formed and is based on the virtual location
Location-based service result；
Wherein, the location-based service strategy is used to match the virtual location of the terminal, is associated with obtaining with the virtual location
Service.
2. the method according to claim 1, wherein
Primary position Virtual Service is in close state in the operating system of the terminal.
3. the method according to claim 1, wherein the process injecting codes of the target application to terminal,
The calling interface of positioning service based on the code highjacking injected, comprising:
To the process injecting codes of the target application of the terminal, injected in the process by executing the target application
Code, kidnap the calling interface of the positioning service.
4. according to the method described in claim 3, it is characterized in that, the process of the target application to the terminal is infused
Enter code, comprising:
The code is loaded in the process of the target application of the terminal with system root user permission, and in the target
The code is enforced in the process of application.
5. the method according to claim 1, wherein the process injecting codes of the positioning service to terminal,
The calling interface of the positioning service of the terminal is kidnapped based on the code injected, comprising:
To the process injecting codes of the positioning service of the terminal, the process by execution in the positioning service is injected
Code, kidnap the calling interface of the positioning service.
6. the method according to claim 1, wherein the construction virtual location, comprising:
It is performed the following operation by executing to the code that the process of the target application is injected: third party position Virtual Service is replaced
The positioning service is changed, the virtual location is constructed in the process of third party position Virtual Service.
7. the method according to claim 1, wherein the construction virtual location, comprising:
It is performed the following operation by executing to the code that the process of the positioning service is injected: the positioning service is kidnapped, in institute
The virtual location is constructed in the process of the positioning service of abduction.
8. the method according to claim 1, wherein the construction virtual location, comprising:
The mark of loading third-party position Virtual Service in the target application；
The operation of virtual location is demarcated in the target application in response to user, constructs virtual location number corresponding with calibration point
According to.
9. the method according to claim 1, wherein the location-based service strategy pair based on the target application
The virtual location is handled, and the location-based service result based on the virtual location is formed, comprising:
The location-based service strategy is executed for the virtual location in the process of the target application, is obtained and the position
Associated function and/or information, and load the function and/or information.
10. a kind of position virtual bench, which is characterized in that described device includes:
Unit is kidnapped, the process for target application or positioning service to terminal is injected independently of position primary in operating system
The code for setting Virtual Service kidnaps the calling interface of the positioning service of the terminal based on the code injected；
Detection unit, for obtaining the request of position using the calling interface by injected code detection target application；
Structural unit, for constructing virtual location, and pass through the calling interface of the positioning service when detecting the request
The virtual location is returned to the target application；
Response unit is handled the virtual location for the location-based service strategy based on the target application, forms base
In the location-based service result of the virtual location；
Wherein, the location-based service strategy is used to match the virtual location of the terminal, is associated with obtaining with the virtual location
Service.
11. device according to claim 10, which is characterized in that
The abduction unit is also used to the process injecting codes to the target application of the terminal, by executing the mesh
The code injected in the process of application is marked, the calling interface of the positioning service is kidnapped.
12. device according to claim 10, which is characterized in that
The abduction unit is also used to the process injecting codes of the positioning service to the terminal, by executing described
The code that the process of positioning service is injected kidnaps the calling interface of the positioning service.
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