CN103310156A - Method and device for updating terminal system file - Google Patents
Method and device for updating terminal system file Download PDFInfo
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- CN103310156A CN103310156A CN201310215231XA CN201310215231A CN103310156A CN 103310156 A CN103310156 A CN 103310156A CN 201310215231X A CN201310215231X A CN 201310215231XA CN 201310215231 A CN201310215231 A CN 201310215231A CN 103310156 A CN103310156 A CN 103310156A
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Abstract
The invention discloses a method and a device for updating a terminal system file. A read-write flag bit is set for the terminal system file. The method comprises the steps as follows: receiving an updating command sent by updating software; determining a read-write state of the read-write flag bit according to the updating command; if the read-write flag bit is in the read-write state, receiving an updating file downloaded by the updating software, and updating the corresponding terminal system file according to the updating file. Through the technical scheme, the technical problem of affecting the stability and safety of a terminal system due to no protection measures for the terminal system file in the prior art is solved.
Description
Technical field
The present invention relates to electronic device field, relate in particular to a kind of update method and device of terminal system file.
Background technology
Prior art is not made safeguard measure to the system file that is stored in the terminal; in case the user enters more new model (brushing the machine pattern in other words) of system file; just can be voluntarily to the various system files in the terminal delete, operation such as renewal; in case the user makes the disabler that incorrect operation just causes terminal probably; even can't normal boot-strap, seriously have influence on stability and the security of terminal system.
Summary of the invention
The invention provides a kind of update method and device of terminal system file, solve prior art and the system file that is stored in the terminal is not made safeguard measure, influence the stability of terminal system and the technical matters of security.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of update method of terminal system file arranges the read-write zone bit for the system file in the terminal, and described update method comprises: terminal receives the update command that update software is sent; Determine the state that is set to of described read-write zone bit according to update command; If the read-write zone bit then receives the updating file that described update software is downloaded for the read-write open mode, according to described updating file system file corresponding in the described terminal is upgraded.
Further, after according to described updating file system file corresponding in the described terminal being upgraded, also comprise: receive the shutdown command of read-write zone bit, described read-write mark position is the read-write closed condition.
Further, before the update command that described terminal reception update software is sent, comprise that also described terminal enters more new model in the following way: the receiving mode switching command, described pattern switching command is carried out authentication, after authentication is passed through, enter more new model.Further, the step of described receiving mode switching command is specially: under open state, receive the pattern switching command that described update software sends; Perhaps, under off-mode, receive the user and press the pattern switching command that a plurality of buttons on the terminal produce simultaneously.
Further, receive before the updating file of described update software download, also comprise: described updating file is carried out verification; If verification is passed through, then enter the step of the updating file that receives described update software download;
Perhaps, receive after the updating file that described update software downloads, and before according to described updating file system file corresponding in the described terminal being upgraded, also comprise: described updating file is carried out verification; If verification is passed through, then enter according to described updating file system file corresponding in the described terminal is carried out updating steps.
A kind of updating device of terminal system file comprises: the module that arranges that is used for arranging the read-write zone bit to the system file of terminal; Be used for to receive the update command receiver module of the update command that update software sends; Be used for determining according to described update command the zone bit writing module of the state that is set to of described read-write zone bit; For if the read-write zone bit is the read-write open mode, then receive the file receiver module of the updating file of described update software download; For the update module of the corresponding system file of described terminal being upgraded according to described updating file.
Further, this updating device also comprises for the shutdown command receiver module that receives the shutdown command of read-write zone bit; Described zone bit writing module also is used for according to the shutdown command of described read-write zone bit described read-write mark position being the read-write closed condition.
Further, this updating device also comprises the switching command receiver module for the receiving mode switching command, is used for described pattern switching command is carried out the authentication module of authentication, after passing through for authentication, enters the more mode switch module of new model.Further, described switching command receiver module is used for receiving the pattern switching command that described update software sends under open state; And/or be used under off-mode, receive the user and press the pattern switching command that a plurality of buttons on the terminal produce simultaneously.
Further, this updating device also comprises: be used for described file receiver module and receive before the described updating file, described updating file is carried out the first verification module of verification; Described file receiver module receives the updating file that described update software is downloaded after passing through for the described first calibration mode block check;
And/or, being used for described file receiver module receives after the described updating file, before described update module is upgraded system file corresponding in the described terminal according to described updating file, described updating file is carried out the second verification module of verification, described update module is upgraded system file corresponding in the described terminal according to described updating file after passing through for the described second calibration mode block check.
The update method of terminal system file provided by the invention and device, to system file in the terminal read-write zone bit is set, have only when reading and writing zone bit to be the read-write open mode, just permission is upgraded operation to system file, otherwise forbids the renewal operation to system file.The present invention is by arranging read-write zone bit and require update software to send the mode of correct update command, give system file the renewal operation setting restriction to a certain degree, realized the protection to system file in the terminal.
Further; terminal is entered more the link of new model protects, comprise the authentication to the pattern switching command, only authentication by after just can carry out more new model; limit for the renewal operation setting of system file further, further strengthen the protection to system file in the terminal.
Further, before terminal receives updating file or before terminal upgraded according to the updating file that receives, terminal was also carried out verification to this updating file, only after verification is passed through, just enters download or the updating steps of updating file.Limit for the renewal operation setting of system file further, further strengthen the protection to system file in the terminal.
Description of drawings
The process flow diagram of the update method of the terminal system file that Fig. 1 provides for one embodiment of the invention;
The synoptic diagram of the command format that transmits between the update software that Fig. 2 provides for one embodiment of the invention and the terminal;
The process flow diagram of the update method of the terminal system file that Fig. 3 provides for another embodiment of the present invention;
The process flow diagram of the method for work of the update software that Fig. 4 provides for one embodiment of the invention;
The synoptic diagram of the updating device of the terminal system file that Fig. 5 provides for one embodiment of the invention;
The framework synoptic diagram of the update software that Fig. 6 provides for one embodiment of the invention.
Embodiment
Main design of the present invention is: the read-write zone bit is set for the system file in the terminal, preferably, under original state, should read and write the mark position and be the read-write closed condition, have only update software to send correct update command to terminal, can with this read-write zone bit be set to the read-write open mode, just allow this update software that the system file in this terminal is upgraded operation, otherwise the read-write zone bit keeps the renewal operation of this update software to system file of forbidding manufacture of read-write closed condition.Terminal among the present invention is including, but not limited to mobile phone, PC, PAD etc.
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Embodiment one:
The process flow diagram of the update method of a kind of terminal system file that Fig. 1 provides for one embodiment of the invention please refer to Fig. 1, comprises following flow process:
S101, the read-write zone bit is set for the system file in the terminal, preferred, under the original state, will read and write the mark position for reading and writing closed condition, can further protect the system file of terminal like this.
The read-write zone bit can be made up of one or more bits; Suppose to read and write zone bit and be made up of 1 bit, can be defined in the read-write zone bit and write 0, expression is set to the read-write closed condition; Write 1, expression is set to the read-write open mode.
S102, terminal receive the update command that update software is sent.
Update software is used for the terminal system file is upgraded, update software can be stored in the terminal, also can be stored on the carrier outside the terminal, be connected by wired or wireless mode between this carrier and the terminal, wired mode is including, but not limited to connecting by data lines such as USB, serial ports or network interfaces, and wireless mode is including, but not limited to bluetooth, radio frequency, WIFI etc.
The order of transmitting between update software and the terminal has multiple form, including, but not limited to form shown in Figure 2, comprise the opening flag position successively, command bit, the unit type position, check bit sum end mark position, whether check bit is used for this order of judgement and makes mistakes in transmission course, check bit can be made up of a plurality of bits, 16 bits for example, 8 bits etc., the unit type position is used for identifying the model of the vehicle equipment at update software place, command bit is used for depositing command context, be example with the update command, can deposit the state control information of read-write zone bit in the command bit of update command, this state control information is used for the state that is set to of the read-write zone bit of control terminal system file, and the state of being set to of read-write zone bit comprises read-write closed condition and read-write open mode.
Before step S102, any restriction can be set, directly receive the update command that update software is sent.Restriction also can be set to strengthen the protection to system file; for example limiting terminal enters more new model in the following way; after only entering more new model; just can enter into step S102: terminal receiving mode switching command; terminal is carried out authentication to described pattern switching command, and after authentication was passed through, terminal entered more new model; otherwise, be prohibited from entering more new model.Wherein, mode from the pattern switching command to terminal that send is including, but not limited to following cited:
Under the starting up of terminal state, the update software that has connected with terminal is to this terminal sending mode switching command, and terminal is carried out authentication to this pattern switching command, have only authentication to pass through after, just can enter more new model.Perhaps, under the terminal closedown state, the user sends the pattern switching command by the mode of pressing a plurality of buttons (such as volume key, return key, HOME key, MENU key etc.) on the terminal simultaneously to this terminal, equally, terminal is carried out authentication to this pattern switching command, after having only authentication to pass through, just can enter more new model.
The enciphered messages that the pattern switching command that is sent by update software can carry the identification information of this update software, consult in advance etc. are carried out authentication in order to terminal; The form of the pattern switching command that is sent by update software is including, but not limited to shown in Figure 2.
Send pattern switching command by the mode of pressing a plurality of buttons (such as volume key, return key, HOME key, MENU key etc.) on the terminal simultaneously to this terminal for the user, whether terminal can be checked the case combination that the user presses consistent with default key combination, if it is consistent, then authentication is passed through, otherwise authentication is not passed through.
S103, terminal are determined the state that is set to of the read-write zone bit of system file according to update command.
If update command incorrect (for example the update command sent of undelegated update software, the update software of having authorized send wrong update command), then the state of being set to of the read-write zone bit of system file remains unchanged, if update command is correct, just can revise the read-write zone bit of system file.
S104, current for reading and writing open mode as if the read-write zone bit of system file in the terminal then receives the updating file of this update software download, according to described updating file system file corresponding in the described terminal is upgraded.If the read-write zone bit of system file is current for reading and writing closed condition, then process ends in the terminal.
The updating file that terminal receives can through the update software verification by after be sent to terminal, also can be without the update software verification.
Terminal receives before the updating file, can also carry out verification to this updating file earlier, if verification is passed through, receives this updating file again.
Terminal receives after the updating file, before according to this updating file system file corresponding in the terminal being upgraded, can also carry out verification to this updating file earlier, if verification is passed through, according to this updating file system file corresponding in the terminal is upgraded again, if verification is not passed through, then delete this updating file in the terminal, to discharge the storage space of terminal.
Terminal and/or update software have multiple to the mode that updating file carries out verification, including, but not limited to: whether the cipher mode of judging updating file is consistent with the cipher mode of system file in this terminal, and judge whether the enciphered message of updating file meets the needs of this terminal system, if the both is sure, then verification is passed through, otherwise then verification is not passed through.Wherein, the cipher mode of updating file including, but not limited to: add special zone bit from beginning to end at file, between first zone bit and tail zone bit, add enciphered message, for example file size, deposit position information etc.By the checking procedure to updating file, the updating file that can avoid not meeting the terminal system needs downloads in the terminal, influences security and the stability of system.
After according to updating file system file corresponding in the terminal being upgraded, can further include: receive the shutdown command of read-write zone bit, will read and write the mark position for reading and writing closed condition.The shutdown command of read-write zone bit can be that update software is sent, and also can be that terminal produces voluntarily.The form of the read-write zone bit shutdown command that update software sends is including, but not limited to shown in Figure 2, can deposit for the read-write mark position with the terminal system file in the command bit of read-write zone bit shutdown command is the state control information of the correspondence of read-write closed condition, terminal receives after this read-write zone bit shutdown command, according to this state control information, will read and write the mark position and be the read-write closed condition.Can avoid follow-up other illegal update software that the system file of terminal is upgraded operation, cause adverse consequences.
Present embodiment; the read-write zone bit is set for the system file in the terminal; and under original state; to read and write the mark position and be the read-write closed condition; need update software to send correct update command, can with the read-write zone bit be set to the read-write open mode, could allow the renewal of system file is operated; give system file the renewal operation setting restriction to a certain degree, realized the protection to system file in the terminal.
Embodiment two:
The process flow diagram of the update method of a kind of terminal system file that Fig. 3 provides for another embodiment of the present invention please refer to Fig. 3, comprises following flow process:
S301, the read-write zone bit is set for the system file in the terminal, under the original state, should read and write the mark position is to read and write closed condition.
S302, under the starting up of terminal state, terminal receives the pattern switching command that update software sends.
S303, terminal are carried out authentication to the pattern switching command, if authentication is passed through, then enter step S304.Otherwise, process ends.
After S304, authentication were passed through, terminal entered more new model.
Perhaps, entering more, the mode of new model can also be: under the terminal closedown state, the user sends the pattern switching command by the mode of pressing a plurality of buttons on the terminal simultaneously to terminal, and terminal is carried out authentication to this pattern switching command, after having only authentication to pass through, just can enter more new model.
After S305, terminal enter more new model, receive the update command that update software is sent.
Storage configuration control information in the update command, this state control information is used for the state that is set to of the read-write zone bit of control terminal system file, and the state of being set to of read-write zone bit comprises read-write closed condition and read-write open mode.
S306, terminal determine the state that is set to of the read-write zone bit of system file according to update command, afterwards, if the read-write zone bit of system file then enters step S307 for the read-write open mode in the terminal.If the read-write zone bit of system file is read-write closed condition, then process ends in the terminal.
S307, terminal are carried out verification to the updating file of preparing to receive; If verification is passed through, then enter step S308, otherwise process ends.
S308, terminal receive this updating file that update software sends, and according to the updating file that receives system file corresponding in the terminal are upgraded.
Present embodiment carries out authentication by the pattern switching command that update software is sent, and has only authentication by just allowing to enter more new model, namely enters link in new model more ground floor protection is set; After entering more new model, then by the read-write zone bit being set and requiring update software to send the mode of correct update command, give system file the renewal operation setting second layer protection; After the read-write zone bit of system file is set to the read-write open mode, by terminal updating file is carried out verification again, have only verification to pass through after, just allow to receive, to the renewal operation setting of system file three-layer protection.Present embodiment carries out the multilayer protection from above three levels to the system file the terminal; can avoid the user to adopt arbitrarily update command, undelegated update software to download any system file in terminal or download files into incorrect position; cause that terminal operating is undesired maybe can't start shooting; improved the security and stability of terminal, reduced moving back of terminal and tell risk.
Embodiment three:
The process flow diagram of the method for work of the update software that Fig. 4 provides for one embodiment of the invention please refer to Fig. 4, comprises following flow process:
S401, update software send update command to terminal.
System file in the terminal is provided with the read-write zone bit, and under the original state, the read-write mark position is the read-write closed condition.Update command has multiple form, including, but not limited to form shown in Figure 2, can the storage configuration control information in the command bit of update command, this state control information is used for the state that is set to of the read-write zone bit of control terminal system file, and the state of being set to of read-write zone bit comprises read-write closed condition and read-write open mode.After terminal receives this update command, determine the state that is set to of the read-write zone bit of system file according to update command, afterwards, if the read-write zone bit of system file is the read-write open mode in the terminal, then enter step S402, if the read-write zone bit of system file is read-write closed condition, then process ends in the terminal.
S402, if terminal in system file the read-write zone bit for the read-write open mode, then update software down loading updating file is to terminal.
Further, update software down loading updating file is to the terminal, and update software can be carried out verification to this updating file, and after verification was passed through, just the down loading updating file was to terminal.
Finish in the terminal after the renewal of system file, updating file can also send the shutdown command of read-write zone bit to terminal, the order of read-write zone bit shutdown command has multiple form, including, but not limited to form shown in Figure 2, can deposit for the read-write mark position with the terminal system file in the command bit of read-write zone bit shutdown command is the state control information of the correspondence of read-write closed condition, terminal receives after this read-write zone bit shutdown command, according to this state control information, will read and write the mark position and be the read-write closed condition.Can avoid follow-up other illegal update software that the system file of terminal is upgraded operation, cause adverse consequences.
Embodiment four:
The synoptic diagram of the updating device of the terminal system file that Fig. 5 provides for one embodiment of the invention, as shown in Figure 5, the updating device 5 of terminal system file comprises:
That arranges be used for for the system file of terminal to read and write zone bit arranges module 51;
Be used for to receive the update command receiver module 52 of the update command that update software sends;
Be used for determining according to described update command the zone bit writing module 53 of the state that is set to of described read-write zone bit;
For if the read-write zone bit is the read-write open mode, then receive the file receiver module 54 of the updating file of described update software download;
For the update module of the corresponding system file of described terminal being upgraded according to described updating file 55.
Preferably, zone bit writing module 53 also is used under the original state, and described read-write mark position is the read-write closed condition.
Further, the updating device 5 of terminal system file also comprises for the shutdown command receiver module 56 that receives the shutdown command of read-write zone bit; Zone bit writing module 53 also is used for will reading and writing the mark position according to this read-write zone bit shutdown command and is the read-write closed condition.
Further, the updating device 5 of terminal system file also comprises the switching command receiver module 57 for the receiving mode switching command, be used for this pattern switching command is carried out the authentication module 58 of authentication, after passing through for authentication, enter the more mode switch module 59 of new model.
Further, switching command receiver module 57 is used for receiving the pattern switching command that described update software sends under open state; And/or be used under off-mode, receive the user and press the pattern switching command that a plurality of buttons on the terminal produce simultaneously.
Further, the updating device 5 of terminal system file also comprises for before the file receiver module 54 reception updating files, the first verification module 510 of this updating file being carried out verification; File receiver module 54 receives the updating file that this update software is downloaded after passing through for 510 verifications of the first verification module;
Be used for file receiver module 54 and receive after the updating files, before update module 55 is upgraded system file corresponding in the terminal according to this updating file, this updating file is carried out the second verification module 511 of verification, update module 55 is upgraded system file corresponding in the terminal according to this updating file after passing through for 511 verifications of the second verification module.
Embodiment five:
The framework synoptic diagram of the update software that Fig. 6 provides for one embodiment of the invention, as shown in Figure 6, update software 6 comprises: be used for sending update command to the update command sending module 61 of terminal; Be used for if the read-write zone bit of terminal system file is the read-write open mode, then the down loading updating file is to the download module 62 of terminal.
Further, also comprise: be used for sending the shutdown command of read-write zone bit to the shutdown command sending module 63 of terminal.The shutdown command of read-write zone bit is used for the read-write mark position of terminal system file is the read-write closed condition.
Further, also comprise: be used for the sending mode switching command to the switching command sending module 64 of terminal.Described pattern switching command is used for terminal and judges whether carrying out more new model.
The present invention has realized the protection to system file by the read-write zone bit being set and requiring update software to send the mode of correct update command.Further; terminal enters the more link of new model; the pattern switching command that update software is sent carries out authentication or the user is pressed the pattern switching command that a plurality of buttons send simultaneously carry out authentication, has increased one deck protection again for the renewal operation of system file.Further, before terminal received updating file or upgrades according to the updating file that receives, terminal was also carried out verification to this updating file, sets up protection to system file again, the multilayer guarantee is provided for security, the stability of terminal system.
Above content be in conjunction with concrete embodiment to further describing that the present invention does, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the update method of a terminal system file is characterized in that, the read-write zone bit is set for the system file in the terminal, and described update method comprises:
Terminal receives the update command that update software is sent;
Determine the state of described read-write zone bit according to update command;
If the read-write zone bit then receives the updating file that described update software is downloaded for the read-write open mode, according to described updating file system file corresponding in the described terminal is upgraded.
2. the update method of terminal system file as claimed in claim 1, it is characterized in that, after according to described updating file system file corresponding in the described terminal being upgraded, also comprise: receive the shutdown command of read-write zone bit, described read-write mark position is the read-write closed condition.
3. the update method of terminal system file as claimed in claim 1 or 2, it is characterized in that, before the update command that described terminal reception update software is sent, comprise that also described terminal enters more new model in the following way: the receiving mode switching command, described pattern switching command is carried out authentication, after authentication is passed through, enter more new model.
4. the update method of terminal system file as claimed in claim 3 is characterized in that, the step of described receiving mode switching command is specially:
Under open state, receive the pattern switching command that described update software sends;
Perhaps, under off-mode, receive the user and press the pattern switching command that a plurality of buttons on the terminal produce simultaneously.
5. the update method of terminal system file as claimed in claim 1 or 2 is characterized in that, receives before the updating file of described update software download, also comprises: described updating file is carried out verification; If verification is passed through, then enter the step of the updating file that receives described update software download;
Perhaps, receive after the updating file that described update software downloads, and before according to described updating file system file corresponding in the described terminal being upgraded, also comprise: described updating file is carried out verification; If verification is passed through, then enter according to described updating file system file corresponding in the described terminal is carried out updating steps.
6. the updating device of a terminal system file is characterized in that, comprising:
Be used for arranging the module that arranges of read-write zone bit to the system file of terminal;
Be used for to receive the update command receiver module of the update command that update software sends;
Be used for determining according to described update command the zone bit writing module of the state that is set to of described read-write zone bit;
For if the read-write zone bit is the read-write open mode, then receive the file receiver module of the updating file of described update software download;
For the update module of the corresponding system file of described terminal being upgraded according to described updating file.
7. the updating device of terminal system file as claimed in claim 6 is characterized in that, also comprises for the shutdown command receiver module that receives the shutdown command of read-write zone bit; Described zone bit writing module also is used for according to the shutdown command of described read-write zone bit described read-write mark position being the read-write closed condition.
8. as the updating device of claim 6 or 7 described terminal system files, it is characterized in that, also comprise the switching command receiver module for the receiving mode switching command, be used for described pattern switching command is carried out the authentication module of authentication, after being used for authentication and passing through, enter the more mode switch module of new model.
9. the updating device of terminal system file as claimed in claim 8 is characterized in that, described switching command receiver module is used for receiving the pattern switching command that described update software sends under open state; And/or be used under off-mode, receive the user and press the pattern switching command that a plurality of buttons on the terminal produce simultaneously.
10. as the updating device of claim 6 or 7 described terminal system files, it is characterized in that, also comprise: be used for described file receiver module and receive before the described updating file, described updating file is carried out the first verification module of verification; Described file receiver module receives the updating file that described update software is downloaded after passing through for the described first calibration mode block check;
And/or, being used for described file receiver module receives after the described updating file, before described update module is upgraded system file corresponding in the described terminal according to described updating file, described updating file is carried out the second verification module of verification, described update module is upgraded system file corresponding in the described terminal according to described updating file after passing through for the described second calibration mode block check.
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| CN104516744A (en) * | 2013-09-27 | 2015-04-15 | 无锡华润微电子有限公司 | Software updating method and system |
| CN103607447A (en) * | 2013-11-15 | 2014-02-26 | 中国联合网络通信集团有限公司 | A software upgrade processing method and an apparatus |
| CN109446008A (en) * | 2018-10-31 | 2019-03-08 | Oppo广东移动通信有限公司 | A kind of failure cause detection method, failure cause detection device and terminal device |
| CN109446008B (en) * | 2018-10-31 | 2022-02-08 | Oppo广东移动通信有限公司 | Fault reason detection method, fault reason detection device and terminal equipment |
| CN110765432A (en) * | 2019-09-25 | 2020-02-07 | 深圳市火乐科技发展有限公司 | System file modification method, intelligent projector and related product |
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