CN109542805A - USB storage device control method, device, electronic equipment and storage medium - Google Patents
USB storage device control method, device, electronic equipment and storage medium Download PDFInfo
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- CN109542805A CN109542805A CN201811403348.XA CN201811403348A CN109542805A CN 109542805 A CN109542805 A CN 109542805A CN 201811403348 A CN201811403348 A CN 201811403348A CN 109542805 A CN109542805 A CN 109542805A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention discloses a kind of USB storage device control methods, applied to field of communication technology, this method comprises: when detecting the starting of USB storage device, by the driving type information for obtaining USB storage device, the driving type information includes hard drive, disc drives or disk drive, and according to the driving type information, the device type for learning USB storage device is hard disk, CD or floppy disk, whether the device type for judging the USB storage device again is preset disablement device type, if preset disablement device type, then forbid accessing the USB storage device, the embodiment of the invention also discloses a kind of USB storage device control devices, electronic equipment and storage medium, it can be according to the device type of USB storage device, control whether access USB storage device.
Description
Technical field
The present invention relates to technical field more particularly to a kind of USB storage device control method, device, electronic equipment and deposit
Storage media.
Background technique
For the safe and secret demand of some users, terminal needs to carry out strict control to the peripheral hardware of access, thus each
There is the apparatus management/control software product released and adapt to its demand in a security firm.Therefore, for universal serial bus (USB,
Universal Serial Bus) what is stored controls a core demand point as the type product.
Currently, being divided due to being provided only with a major class to the classification of storage device type in usb protocol specification, and s.m.p
Class divides.Therefore when a USB storage device accesses, the facility information obtained from the USB storage device can only tell it
It is storage equipment, therefore storage equipment can only be controlled.It can not segment and learn its specific device type, and to its specific equipment
Type is controlled.
Summary of the invention
The main purpose of the present invention is to provide a kind of USB storage device control method, device, electronic equipment and storages to be situated between
Matter, it is intended to solve not controlling whether access USB storage device according to the device type of USB storage device in the prior art
Technical problem.
To achieve the above object, first aspect of the embodiment of the present invention provides a kind of USB storage device control method, comprising:
When detecting the starting of USB storage device, the driving type information of the USB storage device, the drive are obtained
Dynamic type information includes hard drive, disc drives or disk drive；
According to the driving type information of the USB storage device, the device type of the USB storage device is determined, it is described
Device type includes hard disk, CD or floppy disk；
Whether the device type for judging the USB storage device is preset disablement device type, if preset disablement device
Type then forbids accessing the USB storage device.
Second aspect of the embodiment of the present invention provides a kind of USB storage device control device, comprising:
Module is obtained, for when detecting the starting of USB storage device, obtaining the driving class of the USB storage device
Type information, the driving type information includes hard drive, disc drives or disk drive；
Determining module determines the USB storage device for the driving type information according to the USB storage device
Device type, the device type include hard disk, CD or floppy disk；
Judgment module, for judging whether the device type of the USB storage device is preset disablement device type；
Disabled module, for if preset disablement device type, then forbidding accessing the USB storage device.
The third aspect of the embodiment of the present invention provides a kind of electronic equipment, comprising:
It is provided with the usb bus of multiple interfaces and realizes the USB storage device as described in second aspect of the embodiment of the present invention
Control device, in which:
A USB storage device is at least accessed on multiple interfaces on the usb bus；
The USB storage device control device is used to control the USB storage device of access.
Fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, is stored thereon with computer journey
Sequence realizes the USB storage device control that first aspect of the embodiment of the present invention provides when the computer program is executed by processor
Method.
From the embodiments of the present invention it is found that USB storage device control method provided by the invention, device, electronic equipment
And storage medium, when detecting the starting of USB storage device, by obtaining the driving type information of USB storage device, the drive
Dynamic type information includes hard drive, disc drives or disk drive, and according to the driving type information, learns that USB storage is set
Standby device type is hard disk, CD or floppy disk, then judges whether the device type of the USB storage device is preset disablement device
Type then forbids accessing the USB storage device if preset disablement device type, and family setting according to USB storage device can be used
Standby type, controls whether to access the USB storage device.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the flow diagram for the USB storage device control method that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides USB storage device control method flow diagram；
Fig. 3 is the structural schematic diagram for the USB storage device control device that further embodiment of this invention provides；
Fig. 4 shows the hardware structure diagram of a kind of electronic equipment.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
USB storage device control method provided in an embodiment of the present invention, when user is inserted into USB storage device at the terminal,
The driver of USB Hub can call equipment manager function to create device node in system, and then, USB storage device will
Corresponding driver is loaded, for example, USB Mass Storage or USB Attached SCSI Mass Storage.And by
The driver creates the sub- device node of function, and the type of the sub- device node of the function is one of hard disk, CD-ROM drive or floppy drive,
Then it loads the sub- device node of the function and corresponds to driver, start the USB storage device.When system detection to the USB stores
When equipment starts, the driving type information of the USB storage device is obtained, according to the driving type information, determines USB storage device
Device type, and then judge whether the device type of the USB storage device is preset disablement device type, if preset disabling
Device type, whether the equipment for further confirming that system access is USB storage device, is set if so, forbidding accessing the USB storage
It is standby.
Terminal refers to the electronic equipment for having access USB storage device function, for example, mobile phone, tablet computer (Portable
Android Device, PAD), laptop and personal digital assistant (Personal Digital Assistant,
PDA) etc..
Referring to Fig. 1, Fig. 1 is the flow diagram for the storage apparatus control method that one embodiment of the invention provides, the party
Method the following steps are included:
S101, when detecting the starting of USB storage device, obtain the driving type information of the USB storage device, the drive
Dynamic type information includes hard drive, disc drives or disk drive；
When USB storage device insertion terminal, when terminal detects the USB storage device, corresponding driver can be loaded
Start the USB storage device, the driving type information of the USB storage device can be obtained.Illustratively, USB storage device is
Hard disk, when hard disk is inserted into terminal, after terminal detects hard disk, system can load hard disk driver to start hard disk, can obtain
The driving type information for taking the USB storage device is hard drive.
Wherein, storage equipment refers to the equipment for storing information, including External memory equipment and internal storage device, this
In inventive embodiments, which refers to External memory equipment, for example, hard disk, CD or floppy disk etc..
USB storage device refers to the External memory equipment that terminal is connected by USB interface.
Driving type information refers to the type information of the related drivable hardware device stored in driver, for example,
Hard drive, disc drives or disk drive etc..
Driver refers to directly software of the work on various hardware devices, wherein setting comprising related drivable hardware
Standby type information, for making normal communication between terminal and hardware device.For example, when accessing printer at the terminal, then
Printed driver need to be installed, the terminal normal control printer can just be made to work.
S102, the driving type information according to the USB storage device, determine the device type of the USB storage device；
In computer systems, different types of USB storage device is driven by different driver, for example, hard disk by
Hard drive load starting, CD is loaded by disc drives to be started, and floppy disk is loaded by disk drive to be started.It therefore, can be according to USB
The driving type information for storing equipment, determines the device type of the USB storage device.Illustratively, the driving of USB storage device
Type information is hard drive, then the device type of USB storage device is hard disk.
Whether S103, the device type for judging the USB storage device are preset disablement device type；
The device type of disabling is previously stored in system.Illustratively, in the embodiment of the present invention, preset disablement device class
Type is hard disk.
S104, if preset disablement device type, then forbid accessing the USB storage device.
The device type of the USB storage device is hard disk, and preset disablement device type is hard disk.That is the USB storage device
Device type be preset disablement device type therefore forbid accessing the USB storage device.
It is understood that above-mentioned steps 103 can also be to judge whether the device type of the USB storage device is preset to allow to set
Standby type.If not then forbidding accessing the USB storage device correspondingly, step 104 is then preset permission device type.
In embodiments of the present invention, when detecting the starting of USB storage device, by the drive for obtaining USB storage device
Dynamic type information, which includes hard drive, disc drives or disk drive, and is believed according to the driving type
Breath learns that the device type of USB storage device is hard disk, CD or floppy disk, then judges that the device type of the USB storage device is
It is no then to forbid accessing the USB storage device if preset disablement device type for preset disablement device type, family root can be used
According to the device type of USB storage device, control whether to access the USB storage device.
Referring to Fig. 2, Fig. 2 be another embodiment of the present invention provides apparatus control method flow diagram, this method
The following steps are included:
S201, when detecting the access of USB storage device, create the parent device node of the USB storage device, and load
The driver of the parent device node creates the sub- device node of function；
When USB storage device is inserted into terminal by the Peripheral Interface of terminal, the first preset driver will in system
It will create the parent device node of the USB storage device.Then, the second preset driver of system loads, creation function are set
Slave node.In the embodiment of the present invention, illustratively, equipment is stored by taking hard disk as an example, the Peripheral Interface is with universal serial bus collection
For line device (USB Hub, Universal SerialBus), correspondingly, the first driver is the driver of USB Hub.
When hard disk is inserted into USB Hub, the parent device node of the USB Hub driver creation hard disk of system intialization.Then, load the
Two drivers, illustratively, second driver can be USB Mass Storage or USB Attached SCSI
The driver of Mass Storage creates the sub- device node of function of the storage equipment.
Wherein, it is multiple to refer to that a USB interface can be extended to by one kind by USB Hub, and these interfaces can be made same
When the device that uses.
Device node, that is, device file inside has recorded information and the position of hardware device.Wherein, device node can be by being
Equipment manager of uniting creates.Device node is created as the prior art, therefore details are not described herein again.
Parent device node refers to, when USB storage device is inserted into terminal after, system is enumerated in response to USB Hub to be created that
Device node.For example, hard disk is storage equipment, then parent device node is created first.
The sub- device node of function refers to by the device node of the driver creation of parent device node.For example, if parent device
Node support device type be USB storage device type, then the driver USB Mass Storage of parent device node or
USB Attached SCSI Mass Storage can create corresponding device node, example according to the functional characteristic of the storage equipment
Such as, storage equipment is hard disk, then the sub- device node of the function of creating is hard disk node.
S202, when load the sub- device node of the function driver when, obtain the sub- device node of function driver
Interior driving type information；
After the sub- device node creation of the function of USB storage device finishes, the sub- device node of the system loads function is corresponding
Driver, to drive the storage equipment.Then, when loading the driver of the sub- device node of the function, the drive is obtained
Driving type information in dynamic program, for example, the storage equipment is hard disk, the sub- device node of function is then hard disk node, load
The driver of the hard disk node is then hard disk driver, therefore the driving type information is hard drive.
S203, according to the driving type information in the driver of the sub- device node of the function, determine the sub- equipment of the function
The device type that node is supported；
When the sub- device node of function is hard disk node, driving type information is hard drive, to know the function
The device type of sub- device node is hard disk.When the sub- device node of function is CD node, driving type information is CD
Driving, to know that the device type of the sub- device node of the function is CD.When the sub- device node of function is floppy disk node,
It is disk drive that it, which drives type information, to know that the device type of the sub- device node of the function is floppy disk.
Whether S204, the device type for judging that the sub- device node of the function is supported are preset disablement device type；
According to user demand, disablement device type is preset in system, which can be a kind of or more
Kind, herein with no restrictions.For example, preset disablement device type is hard disk and floppy disk.
If the device type that the sub- device node of S205, the function is supported is preset disablement device type, according to parent device
The driving type information of the driver of node determines the device type that the parent device node is supported.
Illustratively, the device type of the sub- device node of function is hard disk, and preset disablement device type is hard disk and floppy disk.
Then the device type of the sub- device node of the function is the device type of preset disabling.
Further, according to the driving type information of the driver of parent device node, determine that the parent device node is supported
Device type, that is, whether the equipment for further confirming that system access is USB storage device.For example, it is assumed that the equipment of access is
Hard disk, since hard disk is USB storage device, then the driver of the parent device node is USB Mass Storage or USB
Attached SCSI Mass Storage.Conversely, knowing USB Mass Storage or USB Attached SCSI Mass
The driving type of Storage driver is USB storage device, that is, the device type for knowing that parent device node is supported is deposited for USB
Store up device type.
If the device type that S206, the parent device node are supported is USB storage device type, No starting function
The driver of device node.
At this point, forbidding the driver of the sub- device node of load function, that is, start the equipment can not, forbid hard disk with
Terminal is communicated.
The details of the present embodiment not to the greatest extent, please refers to the description of aforementioned embodiment illustrated in fig. 1, details are not described herein again.
In embodiments of the present invention, when detecting the starting of USB storage device, by the drive for obtaining USB storage device
Dynamic type information, which includes hard drive, disc drives or disk drive, and is believed according to the driving type
Breath learns that the device type of USB storage device is hard disk, CD or floppy disk, then judges that the device type of the USB storage device is
It is no then to forbid accessing the USB storage device if preset disablement device type for preset disablement device type, family root can be used
According to the device type of USB storage device, access USB storage device is controlled whether.
Referring to Fig. 3, Fig. 3 is the flow diagram for the storage apparatus control method that further embodiment of this invention provides, it should
Storage device control apparatus includes:
Obtain module 301, determining module 302, judgment module 303 and disabled module 304.
Module 301 is obtained, for when detecting the starting of USB storage device, obtaining the driving class of the USB storage device
Type information, the driving type information include hard drive, disc drives or disk drive.
When USB storage device insertion terminal, when terminal detects the USB storage device, corresponding driver can be loaded
Start the USB storage device, the driving type information of the USB storage device can be obtained.Illustratively, USB storage device is
Hard disk, when hard disk is inserted into terminal, after terminal detects hard disk, system can load hard disk driver to start hard disk, can obtain
The driving type information for taking the USB storage device is hard drive.
Wherein, storage equipment refers to the equipment for storing information, including External memory equipment and internal storage device, this
In inventive embodiments, which refers to External memory equipment, for example, hard disk, CD or floppy disk etc..
USB storage device refers to the External memory equipment that terminal is connected by USB interface.
Driving type information refers to the type information of the related drivable hardware device stored in driver, for example,
Hard drive, disc drives or disk drive etc..
Driver refers to directly software of the work on various hardware devices, wherein setting comprising related drivable hardware
Standby type information, for making normal communication between terminal and hardware device.For example, when accessing printer at the terminal, then
Printed driver need to be installed, the terminal normal control printer can just be made to work.
Determining module 302 determines setting for the USB storage device for the driving type information according to the USB storage device
Standby type, which includes hard disk, CD or floppy disk.
In computer systems, different types of storage equipment is driven by different drivers, for example, hard disk is by hard disk
Drive load starting, CD is loaded by disc drives to be started, and floppy disk is loaded by disk drive to be started.Therefore, it can be stored according to USB
The driving type information of equipment, determines the device type of the USB storage device.Illustratively, the driving type of USB storage device
Information is hard drive, then the device type of the USB storage device is hard disk.
Judgment module 303, for judging whether the device type of the USB storage device is preset disablement device type.
The device type of disabling is previously stored in system.Illustratively, in the embodiment of the present invention, preset disablement device class
Type is hard disk.
Disabled module 304, for if preset disablement device type, then forbidding accessing the USB storage device.
It is understood that above-mentioned steps 103 can also be to judge whether the device type of the USB storage device is preset to allow to set
Standby type.If not then forbidding accessing the USB storage device correspondingly, step 104 is then preset permission device type.
The details of the present embodiment not to the greatest extent, please refers to the description of earlier figures 1, embodiment illustrated in fig. 2, details are not described herein again.
In embodiments of the present invention, when detecting the starting of USB storage device, by the drive for obtaining USB storage device
Dynamic type information, which includes hard drive, disc drives or disk drive, and is believed according to the driving type
Breath learns that the device type of USB storage device is hard disk, CD or floppy disk, then judges that the device type of the USB storage device is
It is no then to forbid accessing the USB storage device if preset disablement device type for preset disablement device type, family root can be used
According to the device type of USB storage device, access USB storage device is controlled whether.
Fig. 4 is referred to, Fig. 4 shows the hardware structure diagram of a kind of electronic equipment.
Electronic equipment as described in this embodiment, comprising: be provided with the usb bus of multiple interfaces and realize earlier figures 3
USB storage device control device described in illustrated embodiment, in which:
A USB storage device is at least accessed on multiple interfaces on the usb bus；
The USB storage device control device is used to control the USB storage device of access.
Further, the embodiment of the invention also provides a kind of computer readable storage medium, the computer-readable storages
Medium can be in the terminal being set in the various embodiments described above, which can be shown in earlier figures 4
USB storage device in embodiment.It is stored with computer program on the computer readable storage medium, which is held by processor
USB storage device control method described in earlier figures 1 and embodiment illustrated in fig. 2 is realized when row.Further, which can
Storage medium can also be USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
The various media that can store program code such as (RAM, Random Access Memory), magnetic or disk.
It should be noted that each functional module in each embodiment of the present invention can integrate in a processing module
In, it is also possible to modules and physically exists alone, can also be integrated in two or more modules in a module.It is above-mentioned
Integrated module both can take the form of hardware realization, can also be realized in the form of software function module.
If the integrated module is realized in the form of software function module and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not all be this hair
Necessary to bright.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are to a kind of USB storage device control method provided by the present invention, device, electronic equipment and storage medium
Description, for those skilled in the art, thought according to an embodiment of the present invention, in specific embodiments and applications
There will be changes, and to sum up, the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of USB storage device control method characterized by comprising
When detecting the starting of USB storage device, the driving type information of the USB storage device, the driving class are obtained
Type information includes hard drive, disc drives or disk drive；
According to the driving type information of the USB storage device, the device type of the USB storage device, the equipment are determined
Type includes hard disk, CD or floppy disk；
Whether the device type for judging the USB storage device is preset disablement device type, if preset disablement device type,
Then forbid accessing the USB storage device.
2. USB storage device control method according to claim 1, which is characterized in that the acquisition USB storage is set
Standby driving type information includes:
The parent device node of the USB storage device is created, and is based on the parent device node, creates the sub- device node of function；
When loading the driver of the sub- device node of function, the drive of the driver of the sub- device node of the function is obtained
Dynamic type information.
3. USB storage device control method according to claim 2, which is characterized in that described to be set according to the USB storage
Standby driving type information determines that the device type of the USB storage device includes:
According to the driving type information of the driver of the sub- device node of the function, determine that the sub- device node of the function is supported
Device type.
4. USB storage device control method according to claim 3, which is characterized in that the judgement USB storage is set
Whether standby device type is that preset disablement device type includes:
Whether the device type for judging that the sub- device node of the function is supported is preset disablement device type.
5. USB storage device control method according to claim 4, which is characterized in that described if preset disablement device
Type, then forbid accessing the USB storage device include:
If the device type that the sub- device node of function is supported is preset disablement device type, according to the parent device node
Driver driving type information, determine the device type that the parent device node is supported；
If the device type that the parent device node is supported is USB storage device type, the sub- equipment of function described in No starting
The driver of node.
6. according to claim 1 to USB storage device control method described in 5 any one, which is characterized in that the creation institute
The parent device node for stating USB storage device includes:
By the first driver of system intialization, the parent device node of the USB storage device is created.
7. according to claim 1 to USB storage device control method described in 5 any one, which is characterized in that described to be based on institute
Parent device node is stated, the creation sub- device node of function includes:
The second preset driver is loaded, the sub- device node of function of the USB storage device is created.
8. a kind of USB storage device control device characterized by comprising
Module is obtained, the driving type for when detecting the starting of USB storage device, obtaining the USB storage device is believed
Breath, the driving type information includes hard drive, disc drives or disk drive；
Determining module, for the driving type information according to the USB storage device, the equipment for determining the USB storage device
Type, the device type include hard disk, CD or floppy disk；
Judgment module, for judging whether the device type of the USB storage device is preset disablement device type；
Disabled module, for if preset disablement device type, then forbidding accessing the USB storage device.
9. a kind of electronic equipment characterized by comprising be provided with the usb bus of multiple interfaces and realize such as claim 8 institute
The USB storage device control device stated, in which:
A USB storage device is at least accessed on multiple interfaces on the usb bus；
The USB storage device control device is used to control the USB storage device of access.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
Claim 1 to 7 described in any item USB storage device control methods are realized when being executed by processor.
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| CN201811403348.XA CN109542805A (en) | 2018-11-22 | 2018-11-22 | USB storage device control method, device, electronic equipment and storage medium |
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| CN201811403348.XA CN109542805A (en) | 2018-11-22 | 2018-11-22 | USB storage device control method, device, electronic equipment and storage medium |
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| CN111930431A (en) * | 2020-07-10 | 2020-11-13 | 深圳市广和通无线股份有限公司 | Mobile terminal, control method thereof, computer device, and storage medium |
| CN111930431B (en) * | 2020-07-10 | 2024-04-05 | 深圳市广和通无线股份有限公司 | Mobile terminal, control method thereof, computer device, and storage medium |
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