CN108287874A - A kind of DB2 database management method and device - Google Patents
A kind of DB2 database management method and device Download PDFInfo
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- CN108287874A CN108287874A CN201711476417.5A CN201711476417A CN108287874A CN 108287874 A CN108287874 A CN 108287874A CN 201711476417 A CN201711476417 A CN 201711476417A CN 108287874 A CN108287874 A CN 108287874A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
- G06F16/211—Schema design and management
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- G—PHYSICS
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention discloses a kind of DB2 database management method and devices, are related to data processing and technical field of network security, and this method includes：Obtain the structure for carrying out data parsing, fill the session space in the database session information to the structure, within the current sessions duration, the request data of DB2 is read by go-between's platform, obtain the selected corresponding message of type codes, after blacklist filtering being carried out to the message, it is operated according to the fills of filtered message and shows structure, request display frame is generated in page end, parsing database response simultaneously fills response display frame, the data inquired or operation return code are filled on the page end by go-between's platform, generate visual data displaying report, based on preset go-between's frame, form the DB2 control data preset journal format and forwarded after recombination.Using the present invention, buffering waste can be lowered.
Description
Technical field
The present invention relates to data processing and technical field of network security, more particularly to a kind of DB2 database management method and
Device.
Background technology
DB2 database management method refers to, in Intranet system, additions and deletions are carried out to the DB2 database on backstage
Look into the operation changed, and monitoring and control to these operations.The general way of current industry is to use mirror image traffic monitoring mark
Data between quasi- DB2 database client/server end, or directly invoke the included analysis tool of existing DB2 clients
It is monitored.
Wherein client/server refers to that the client-side/server-side pattern of computer network, client are often located with server
On being separated by very remote two-server, traditionally the task of client is that user is required to be converted to server to identify and execute
Request instruction, and server return response echoed in such a way that user is readable；Server is then to be sent to client
Request instruction execute and returning response.
Traditional several DB2 database management methods specific implementation is as follows：
One：Use mirror image flow direct monitoring standard DB2 database client/server end.The number generated due to normal end
According to standardized format height, this method coding is convenient.But one of its drawback is that applicable surface is narrow, largely using third party's client
The data format that usually None- identified slightly optimizes in industry, especially can not resolution response data；Drawback second is that DB2 standards
Hold set-up time cost high, it is unfriendly to the manager of non-database profession；The three of drawback are the corresponding parallel knots of mirror image flow
Structure can not change Content of Communication, generally also can not just stop the malicious instructions having been sent from time
Two：The included analysis tool of existing DB2 clients is directly invoked to be monitored.This method can be to avoid aforementioned mark
Preceding 2 drawbacks at the quasi- ends DB2, however customizing functions can not be carried out according to specific requirements, it can not further develop
In addition, under the prior art, data acquisition instrument is complete one whole section of caching to the cache policy of network session can
It after words (including one or more message), then is forwarded, caching can be caused to waste when length of session is larger.
Invention content
In order to solve problems in the prior art, an embodiment of the present invention provides a kind of container operation method and devices.It is described
Technical solution is as follows：
On the one hand, a kind of DB2 database management method is provided, the method is applied to data base management system, described
Data base management system includes go-between's platform, and the acquisition database session information on data acquisition go-between's platform, described
Method includes：
Obtain the structure for carrying out data parsing；
Fill the session space in the database session information to the structure；
Within the current sessions duration, the request data of DB2 is read by go-between's platform, obtains selected class
The corresponding message of type code after carrying out blacklist filtering to the message, is operated according to the fills of filtered message and is shown
Structure generates request display frame in page end；
Parsing database response simultaneously fills response display frame, by go-between's platform by the data inquired or
Operation return code is filled on the page end, generates visual data displaying report；
Based on preset go-between's frame, the DB2 control data preset journal format and forwarded after recombination are formed.
Optionally, structure of the acquisition for carrying out data parsing, including：
It is formulated in analytic structure body and is held according to operational requirements, hold including at least network session information in the analytic structure body
Space, operation show structure and response display frame；
Executable file is formed by compiled code, and the executable file is sent in go-between's environment and is executed.
Optionally, the session space in the filling database session information to the structure, including：
Session information and user information are obtained from DB2 clients and server-side by go-between's platform, and is filled extremely
Session space in the structure, the session information and the user information include session id, user name, password, data
Library name logins the time.
Optionally, the method further includes：
Session log is generated according to the mechanism of go-between's platform, the session information and the user information, and is led to
It crosses the page end and shows the session information and the user information.
Optionally, the parsing database response and response display frame is filled, will be inquired by go-between's platform
To data or operation return code be filled on the page end, generate visual data displaying report, including：
Returned data corresponding for arbitrary version client, the data of the returned data are determined by specific type code
Position, and determine by rebound method the cell content of data record；
The cell content is submitted in the response display frame of the page end and is shown, while recording execution
Duration, impacted line number.
Optionally, described to be based on preset go-between's frame, form the DB2 controls preset journal format and forwarded after recombination
Data processed, including：
Session data is shown by tabular form, and the session data includes session data, request data and response data；
When receiving the click commands of control of respective session Data Position, display target window, the target window
In show the corresponding request content of the click commands, and response message is shown with table in the lower section of the request content；
Former data after forward process.
On the other hand, a kind of DB2 database managing device is provided, described device is applied to data base management system, institute
It includes go-between's platform to state data base management system, and the acquisition database session information on data acquisition go-between's platform, institute
Stating device includes：
Acquisition module, for obtaining the structure for carrying out data parsing；
Module is filled, for filling the session space in the database session information to the structure；
First generation module, within the current sessions duration, the request of DB2 to be read by go-between's platform
Data obtain the corresponding message of selected type codes, after carrying out blacklist filtering to the message, according to filtered message
Fills operation shows structure, and request display frame is generated in page end；
Second generation module passes through go-between's platform for parsing database response and filling response display frame
The data inquired or operation return code are filled on the page end, visual data displaying report is generated；
Forwarding module forms the DB2 for presetting journal format and forwarding after recombination for being based on preset go-between's frame
Control data.
Optionally, the filling module, is used for
Session information and user information are obtained from DB2 clients and server-side by go-between's platform, and is filled extremely
Session space in the structure, the session information and the user information include session id, user name, password, data
Library name logins the time.
Optionally, first generation module, is used for：
Returned data corresponding for arbitrary version client, the data of the returned data are determined by specific type code
Position, and the cell content of data record is determined by the device that knock-ons；
The cell content is submitted in the response display frame of the page end and is shown, while recording execution
Duration, impacted line number.
Optionally, the forwarding module, is used for：
Session data is shown by tabular form, and the session data includes session data, request data and response data；
When receiving the click commands of control of respective session Data Position, display target window, the target window
In show the corresponding request content of the click commands, and response message is shown with table in the lower section of the request content；
Former data after forward process.
The present invention provides a kind of DB2 database management method, and (1) can be achieved to ignore client user's name and can be obtained with password
The login mechanism for taking logon rights facilitates internal database manager's tune-up data library management scheme.(2) it can be achieved a set of to ignore
The Managed Solution that client and DB2 versions can parse arbitrary DB2 database flow, have security isolation, it is cross-platform,
Save the characteristics such as space resources.(3) real-time forwarding is realized, chip memory source is saved.With security isolation, it is cross-platform,
Save the characteristics such as space resources.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of method flow diagram of DB2 database management method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of session filling session space provided in an embodiment of the present invention；
Fig. 3 is the DB2 management method streams provided in an embodiment of the present invention based on go-between's technology and string matching algorithm
Cheng Tu；
Fig. 4 be it is provided in an embodiment of the present invention to operation parse, fill the stream of each request/response display frame
Cheng Tu；
Fig. 5 is the schematic diagram of a scenario that rebound algorithm provided in an embodiment of the present invention is related to；
Fig. 6 to Fig. 7 is request/response display frame exemplary plot provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of DB2 database managing device provided in an embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
An embodiment of the present invention provides a kind of DB2 database management methods, which is characterized in that this method is applied to database
Management system, the data base management system include go-between's platform, and the acquisition database meeting on data acquisition go-between's platform
Information is talked about, which can also include web page server and client (alternatively referred to as page end).Such as Fig. 1 institutes
Show, this approach includes the following steps：
Step 101, the structure for carrying out data parsing is obtained.
In force, it needs first to design total parsing template, wherein include at least network session in the content of total parsing template
Information space, request display frame and response display frame；Specific processing procedure may comprise steps of：
Step 1 is formulated in analytic structure body according to operational requirements and is held, and holds including at least network session in analytic structure body
Information space, operation show structure and response display frame.
Wherein, it is total content for parsing template to hold in analytic structure body.
Step 2 forms executable file by compiled code, and executable file is sent in go-between's environment and is held
Row.
The correlative code of data base management method provided in an embodiment of the present invention operates in MITM (man in the
Middle, go-between) in environment, data analytic structure body, string matching algorithm, packaging algorithm etc. are deployed in go-between
Built-in Linux operating system environment in, data display frame (including request/response) is deployed on web page server.
Step 102, the session space in database session information to structure is filled.
In force, go-between's platform will obtain session from DB2 clients (i.e. above-mentioned client) and web page server
Information and user information, are subsequently filled in session space, to generate conversation element, and show corresponding session number in page end
According to.Wherein, session information and user information can be described as user's characteristic information, and user's characteristic information may include session information and use
Family information includes session id, user name, password, database-name, logins the time etc..Then, according to the mechanism of go-between's platform
Session log is generated with user's characteristic information, and shows that user's characteristic information (i.e. believe by session information and user by page end
Breath).Specific processing procedure can be as follows：
First choice initializes each DB2 sessions with reference to figure 2, and state classification is carried out for session.
Wherein, session status type be information is complete, information is incomplete, in operation processing, terminate etc..
If network five-tuple, login time, session id, FIFO (First Input First Output, first in, first out team
Row) information such as space are complete, then and " request/response " in 103 operation processings is entered step, otherwise, requires to block according to management
Or session of letting pass.Mean linear each operation handled successively in session in chronological order in operation processing, has handled
Terminate state of the session in go-between after finishing.
With reference to figure 3, for the DB2 data managing method flows based on go-between's technology and string matching algorithm of the present invention
Figure；In " security check " step therein, in conversation initialization, this management method can match input user name,
Whether password, database name have injection character, and session establishment is blocked if having.
With reference in figure 3, wherein in the step of, password default can be arranged in " security check " here, then no matter
How ask sender input password, can all be substituted by password default, be logged in facilitate.
With reference to figure 4, operation is parsed for the present invention, fills the flow chart of each request/response display frame；
Go-between's platform in operation processing can be handled each operation according to included DB2 conditional code classification.
Step 103, within the current sessions duration, the request data of DB2 is read by go-between's platform, is selected
The corresponding message of type codes, to message carry out blacklist filtering after, according to the fills of filtered message operate show
Structure generates request display frame in page end.
In force, within the current sessions duration, go-between's platform can read the request data of DB2, be selected
Then the corresponding message of fixed type codes carries out blacklist filtering to these message, and then fills behaviour according to the message after overanxious
Make display structure, request display frame is generated in page end.
With reference to figure 4, the corresponding DB2 conditional codes of request are chosen, are asked according to the offset of DB2 message headers and length information reading
Sql is sought, and injection character has been detected whether using regular expression matching.
Step 104, it parses database response and fills response display frame, the data that will be inquired by go-between's platform
Or operation return code is filled on page end, generates visual data displaying report.
In force, for the corresponding returned data of arbitrary version client, returned data is determined by specific type code
Data Position, and be filled into the response display frame of page end by rebound method, to determine the cell of data record
Content shows report to generate visual data, is then shown, duration, impacted row are executed at the same time it can also record
Number.Specific processing procedure can be as follows：
With reference to figure 5, server end returned data tableau format have under different DB2 clients and version it is subtle not
Together, main difference is that its gauge outfit encapsulation format has a difference of 1~3 byte in edge, transition character be 0x00 with
The difference etc. of 0xff, this can cause different DB2 client datas that can be shown as mess code under standard client.But gauge outfit respectively arranges it
Between have a fixed separator 0xff (round frame), the information (thin box) of required extraction is front and back big section 0x00, and its front 15
There are fixed 4 byte informations for indicating the column data type at a byte, started with 0xc*, can show that following matching is calculated accordingly
Method is knock-oned：
Search preposition symbol 0xff；
Match 0xc*；
0x 00 00 00 00 is matched, the 1st non-zero byte found is as row name length；
Row name length is matched, and according to length skip to the position of row name right end；
It matches 0x 00 00 00 00 again in the position, if matching is successful, is taken in the position that step c is navigated to
It falls out name
Preposition symbol 0xff is searched again, is found, and is jumped toward b, is otherwise terminated algorithm
Algorithm above can ensure that the data base management method being mentioned herein has cross-platform characteristic.
Step 105, it is based on preset go-between's frame, forms the DB2 controls preset journal format and forwarded after recombination
Data.
In force, page end can by tabular form show session data, the session data include session, request and
Response data, when receiving the click commands of control of corresponding a certain session data position, display target window, the target window
The requested content of click commands is shown in mouthful, and response message is shown with table in the lower section of the content, and then at forwarding
Former data after reason.
With reference to figure 6 and Fig. 7, for an example of the request/response display frame of the present invention.By the visible clients of Fig. 6 and Fig. 7
The effect that echo is shown with data template.
In addition, in data forwarding process unlike the buffer management cache policy in traditional Plain, it is intermediate herein
People's platform can often handle a complete data packet, then can implement to forward at once, and conventional method then can the entire frame of total caching
It can just implement to forward later.
Based on the present invention, can the consumption of memory from lengths of frame grade drops as low as data packet length rank, reduce
It to the request memory of go-between's equipment can be with higher so as to avoid the traffic congestion caused by lengths of frame is excessive
Probability is accomplished not influence original communication data.
In the present invention, go-between's progress Context resolution and efficiently recombination are all passed through in the operation of arbitrary data library, effectively avoid
The uneasy full operation that user's immediate operand is come according to library tape.
The embodiment of the present invention provides a kind of DB2 database management method, and (1) can be achieved to ignore client user's name and password
The login mechanism that logon rights can be obtained facilitates internal database manager's tune-up data library management scheme.(2) it can be achieved one
Set ignores client and Managed Solution that DB2 versions can parse arbitrary DB2 database flow, have security isolation,
The characteristics such as cross-platform, saving space resources.(3) real-time forwarding is realized, chip memory source is saved.With security isolation,
The characteristics such as cross-platform, saving space resources.
Based on the same technical idea, as shown in figure 8, the embodiment of the present invention additionally provides a kind of DB2 database management dress
It sets, described device is applied to data base management system, and the data base management system includes go-between's platform, and is acquired in data
Acquisition database session information, described device include on go-between's platform：
Acquisition module 810, for obtaining the structure for carrying out data parsing；
Module 820 is filled, for filling the session space in the database session information to the structure；
First generation module 830, within the current sessions duration, reading DB2's by go-between's platform
Request data obtains the corresponding message of selected type codes, after carrying out blacklist filtering to the message, is disappeared according to filtered
The fills operation of breath shows structure, and request display frame is generated in page end；
Second generation module 840 is flat by the go-between for parsing database response and filling response display frame
The data inquired or operation return code are filled on the page end by platform, generate visual data displaying report；
Forwarding module 850 is formed for being based on preset go-between's frame after presetting journal format and forwarding recombination
DB2 controls data.
Optionally, the filling module 820, is used for
Session information and user information are obtained from DB2 clients and server-side by go-between's platform, and is filled extremely
Session space in the structure, the session information and the user information include session id, user name, password, data
Library name logins the time.
Optionally, first generation module 830, is used for：
Returned data corresponding for arbitrary version client, the data of the returned data are determined by specific type code
Position, and the cell content of data record is determined by the device that knock-ons；
The cell content is submitted in the response display frame of the page end and is shown, while recording execution
Duration, impacted line number.
Optionally, the forwarding module 850, is used for：
Session data is shown by tabular form, and the session data includes session data, request data and response data；
When receiving the click commands of control of respective session Data Position, display target window, the target window
In show the corresponding request content of the click commands, and response message is shown with table in the lower section of the request content；
Former data after forward process.
The embodiment of the present invention provides a kind of DB2 database managing device, and (1) can be achieved to ignore client user's name and password
The login mechanism that logon rights can be obtained facilitates internal database manager's tune-up data library management scheme.(2) it can be achieved one
Set ignores client and Managed Solution that DB2 versions can parse arbitrary DB2 database flow, have security isolation,
The characteristics such as cross-platform, saving space resources.(3) real-time forwarding is realized, chip memory source is saved.With security isolation,
The characteristics such as cross-platform, saving space resources.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, it will be understood by those of ordinary skill in the art that, to the technical side of the present invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Right in.
Each embodiment in this specification is all made of relevant mode and describes, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device reality
For applying example, since it is substantially similar to the method embodiment, so description is fairly simple, related place is referring to embodiment of the method
Part explanation.
The foregoing is merely the preferred embodiments of the application, are not intended to limit the protection domain of the application.It is all
Any modification, equivalent replacement, improvement and so within spirit herein and principle are all contained in the protection domain of the application
It is interior.
Claims (10)
1. a kind of DB2 database management method, which is characterized in that the method is applied to data base management system, the data
Base management system includes go-between's platform, and the acquisition database session information on data acquisition go-between's platform, the method
Including：
Obtain the structure for carrying out data parsing；
Fill the session space in the database session information to the structure；
Within the current sessions duration, the request data of DB2 is read by go-between's platform, obtains selected type codes
Corresponding message after carrying out blacklist filtering to the message, operates according to the fills of filtered message and shows structure,
Request display frame is generated in page end；
Parsing database response simultaneously fills response display frame, by go-between's platform by the data inquired or operation
Return code is filled on the page end, generates visual data displaying report；
Based on preset go-between's frame, the DB2 control data preset journal format and forwarded after recombination are formed.
2. according to the method described in claim 1, it is characterized in that, structure of the acquisition for carrying out data parsing, packet
It includes：
It is formulated in analytic structure body and is held according to operational requirements, held in the analytic structure body and include at least network session information sky
Between, operation show structure and response display frame；
Executable file is formed by compiled code, and the executable file is sent in go-between's environment and is executed.
3. DB2 database management method according to claim 1, which is characterized in that the filling database session
Session space in information to the structure, including：
Session information and user information are obtained from DB2 clients and server-side by go-between's platform, and is filled to described
Session space in structure, the session information and the user information include session id, user name, password, database name
Claim, login the time.
4. DB2 database management method according to claim 3, which is characterized in that the method further includes：
Session log is generated according to the mechanism of go-between's platform, the session information and the user information, and passes through institute
It states page end and shows the session information and the user information.
5. according to the method described in claim 1, it is characterized in that, the parsing database response and filling response display frames
The data inquired or operation return code are filled on the page end by go-between's platform, are generated visual by frame
Data show report, including：
Returned data corresponding for arbitrary version client, the data bit of the returned data is determined by specific type code
It sets, and determines the cell content of data record by rebound method；
When the cell content being submitted in the response display frame of the page end and is shown, while recording execution
Long, impacted line number.
6. DB2 database management method according to claim 1, which is characterized in that described to be based on preset go-between's frame
Frame forms the DB2 control data preset journal format and forwarded after recombination, including：
Session data is shown by tabular form, and the session data includes session data, request data and response data；
When receiving the click commands of control of respective session Data Position, display target window is shown in the target window
It is shown with the corresponding request content of the click commands, and response message is shown with table in the lower section of the request content；
Former data after forward process.
7. a kind of DB2 database managing device, which is characterized in that described device is applied to data base management system, the data
Base management system includes go-between's platform, and the acquisition database session information on data acquisition go-between's platform, described device
Including：
Acquisition module, for obtaining the structure for carrying out data parsing；
Module is filled, for filling the session space in the database session information to the structure；
First generation module, within the current sessions duration, the number of request of DB2 to be read by go-between's platform
According to, obtain the corresponding message of selected type codes, to the message carry out blacklist filtering after, according in filtered message
Hold padding and show structure, request display frame is generated in page end；
Second generation module will be looked into for parsing database response and filling response display frame by go-between's platform
The data or operation return code ask are filled on the page end, generate visual data displaying report；
Forwarding module forms the DB2 controls preset journal format and forwarded after recombination for being based on preset go-between's frame
Data.
8. DB2 database managing device according to claim 7, which is characterized in that the filling module is used for
Session information and user information are obtained from DB2 clients and server-side by go-between's platform, and is filled to described
Session space in structure, the session information and the user information include session id, user name, password, database name
Claim, login the time.
9. device according to claim 7, which is characterized in that first generation module is used for：
Returned data corresponding for arbitrary version client, the data bit of the returned data is determined by specific type code
It sets, and determines the cell content of data record by the device that knock-ons；
When the cell content being submitted in the response display frame of the page end and is shown, while recording execution
Long, impacted line number.
10. DB2 database managing device according to claim 7, which is characterized in that the forwarding module is used for：
Session data is shown by tabular form, and the session data includes session data, request data and response data；
When receiving the click commands of control of respective session Data Position, display target window is shown in the target window
It is shown with the corresponding request content of the click commands, and response message is shown with table in the lower section of the request content；
Former data after forward process.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110781367A (en) * | 2019-09-25 | 2020-02-11 | 中国科学院计算技术研究所 | Internet data acquisition method and system based on man-in-the-middle |
| CN111091339A (en) * | 2018-10-24 | 2020-05-01 | 北京数聚鑫云信息技术有限公司 | Device and method for automatically analyzing information in e-mail |
| CN113760961A (en) * | 2020-08-11 | 2021-12-07 | 北京京东振世信息技术有限公司 | Data query method and device |
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