CN110611892B - Modem short message reporting method, device, system, equipment and medium - Google Patents
Modem short message reporting method, device, system, equipment and medium Download PDFInfo
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- CN110611892B CN110611892B CN201910967681.1A CN201910967681A CN110611892B CN 110611892 B CN110611892 B CN 110611892B CN 201910967681 A CN201910967681 A CN 201910967681A CN 110611892 B CN110611892 B CN 110611892B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/066—Telephone sets adapted for data transmision
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
Abstract
The invention discloses a method, a device, equipment and a medium for reporting Modem short messages, wherein the method comprises the following steps: after receiving the short message notification through the radio frequency antenna, the Modem processor transmits the short message data to a physical link layer; then the short message module transmits the data to the data module, and a control channel for reporting the short message data is shielded; the data module performs UDP protocol encapsulation and IP protocol encapsulation on the short message data and then transmits the short message data to the application processor through the data channel; and after the IP packet protocol analysis and the UDP packet protocol analysis are carried out by the application processor, the IP packet protocol and the UDP packet protocol are transmitted to the application of the target port, and the short message content is analyzed by the application. The Modem processor of the invention encapsulates the data packet protocol by the data module after receiving the short message, and transmits the short message to the application through the data channel, so as to solve the technical problems that the safety is low in the short message content reporting process, and the computer can not normally receive the short message.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method, a device, a system, equipment and a medium for reporting Modem short messages.
Background
Modem refers to a Modem, a piece of computer hardware, which translates a digital signal from a computer into a pulse signal that can be transmitted along a normal telephone line, and the pulse signal can be received by another Modem at the other end of the line and translated into a language understandable by the computer. This simple process completes the communication between the two computers. The current Modem can generally support 2G/3G/4G mobile communication, and is mainly used for communication of communication equipment such as a mobile phone, a mobile POS (point of sale) machine, a computer with a Modem or a computer with a 3G/4G USB (universal serial bus) wireless network card.
As shown in fig. 1, the existing short message reporting process of modem:
(1) and the modem end radio frequency antenna receives the notice that the base station sends the short message and then transmits the notice to a physical link layer.
(2) The physical link layer is sent to the SMS short message module of the modem, and the short message module is transmitted to the application processor through SMD (shared memory transmission method) or serial port mode.
(3) The Radio Interface Layer (RIL) of the application processor acquires the notice of the short message in an SMD or serial port mode (the short message uses a control channel, and the data transmission uses a data channel, which are different port transmissions).
(4) And then the short message application reported to the application layer by the wireless interface layer analyzes the content of the short message, and finally the content of the short message is displayed to a user and stored in a database.
It has the following disadvantages:
1. the security is low, other applications in the application layer can monitor the short message notification through registration, and once a short message comes, other applications can also receive the short message. The short message content information is leaked;
2. for the devices with the computer connected with the Modem module, if only one serial port is used for communication between the computer and the Modem, the serial port can only transmit data, and the command of the short message cannot be reported, so that the computer end cannot normally receive the short message. If the user computer uses the 4G network of the modem to surf the internet and the login website needs the short message verification code, the SIM card (mobile phone card) is inserted into the modem of the computer, and the short message verification code cannot be received. The short message can be received only by inserting the card into a normal mobile phone, and the card pulling means that the computer has no network. After the SIM is inserted into the computer again, the login website may be realized by the server side sending a new verification code again without logging in the website.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method, an apparatus, a device and a medium for reporting a Modem short message, so as to solve the technical problems that the security is low and a computer cannot normally receive a short message during the short message content reporting process.
In a first aspect, the present invention provides a method for reporting a Modem short message, including the following steps:
after receiving the short message notification through the radio frequency antenna, the Modem processor transmits the short message data to a physical link layer;
the physical link layer transmits the short message data to the short message module, and the short message module transmits the short message data to the data module, so that a control channel for reporting the short message data is shielded;
the data module performs UDP protocol encapsulation and IP protocol encapsulation on the short message data and then transmits the short message data to the application processor through the data channel;
and after the IP packet protocol analysis and the UDP packet protocol analysis are carried out by the application processor, the IP packet protocol and the UDP packet protocol are transmitted to the application of the target port, and the short message content is analyzed by the application.
In a second aspect, the present invention provides a device for reporting a Modem short message, including a Modem processor and an application processor; the Modem processor further comprises a radio frequency antenna, a physical link layer, a short message module and a data module; the application processor further comprises an IP data packet analysis module and a UDP data packet analysis module;
the radio frequency antenna is used for transmitting the short message data to the physical link layer after receiving the short message notification;
the physical link layer is used for transmitting the short message data to the short message module;
the short message module is used for transmitting short message data to the data module and shielding a control channel for reporting the short message data;
the data module is used for carrying out UDP protocol encapsulation and IP protocol encapsulation on the short message data to form a UDP/IP encapsulation packet, and then transmitting the UDP/IP encapsulation packet to the application processor through a data channel;
the IP data packet analysis module is used for carrying out IP packet protocol analysis on the received UDP/IP encapsulation packet to obtain a UDP encapsulation packet;
and the UDP data packet analysis module is used for carrying out UDP packet protocol analysis on the UDP encapsulation packet to obtain short message data, then transmitting the short message data to the application of a target port, and analyzing the content of the short message by the application.
In a third aspect, the present invention provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of the first aspect when executing the program.
In a fourth aspect, the invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the method of the first aspect.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages: according to the method, the device, the equipment and the medium for reporting the Modem short message, after data connection, the Modem receives the short message and then transmits the short message to the application processor not through the control channel, but transmits the short message to the data module, the data module performs data packet protocol encapsulation on the short message, and then transmits the data packet to the application through the data channel. On one hand, other applications cannot monitor the short message notification through short message registration, so that the short message is not easy to steal. On the other hand, for the condition that the computer is connected with the modem module and the modem and the computer only have one serial port for communication, if the short message verification code is needed in the internet surfing process, the computer can directly receive the short message without pulling out the card and inserting the card into other normal mobile phones.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a Modem short message reporting flow based on a conventional Modem framework;
FIG. 2 is a schematic diagram of the frame structure of the Modem of the present invention;
fig. 3 is a flowchart of a method for reporting a Modem short message in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an apparatus according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to a third embodiment of the invention;
FIG. 6 is a schematic structural diagram of a medium according to a fourth embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating a transmission flow of a customized UDP packet according to the present invention;
FIG. 8 is a diagram illustrating the format of UDP/IP packets according to the present invention.
Detailed Description
The embodiment of the application provides a method, a device, a system, equipment and a medium for reporting Modem short messages, so as to solve the technical problems that the safety is low in the short message content reporting process, and a computer cannot normally receive the short messages. The invention is mainly used for communication equipment containing a Modem, such as a mobile phone, a mobile POS, a computer with a Modem or a computer with a 3G/4G USB wireless network card and the like.
The technical scheme in the embodiment of the application has the following general idea: after data connection, the Modem processor receives the short message and then transmits the short message to the application processor not through the control channel, but transmits the short message to the data module, the data module performs data packet protocol encapsulation on the short message, and then transmits the data packet to corresponding application through the data channel, so that other applications cannot monitor the short message notification through short message registration, the short message is not easy to steal, and the short message can be received under the condition that the computer and the Modem only have one serial port for communication.
Before describing the specific embodiment, a frame of a Modem corresponding to the method of the embodiment of the present application is described, and as shown in fig. 2, the frame of the Modem is roughly divided into two parts:
the Modem processor comprises a radio frequency antenna, a physical link layer, a short message module and a data module;
the application processor comprises a kernel driving layer and an application layer, wherein the kernel driving layer is provided with an IP data packet analysis module and a UDP data packet analysis module.
The Modem processor and the application processor are connected through a data channel, and the data channel is an SMD shared memory or a serial port.
The application processor can be arranged in a mobile phone, a mobile POS, a computer with a Modem, a computer with a 3G/4G USB wireless network card and the like.
Example one
As shown in fig. 3, the present embodiment provides a method for reporting a Modem short message, which includes the following steps:
after receiving the short message notification through the radio frequency antenna, the Modem processor transmits the short message data to a physical link layer;
the physical link layer transmits the short message data to the short message module, and the short message module transmits the short message data to the data module, so that a control channel for reporting the short message data is shielded;
the data module performs UDP protocol encapsulation and IP protocol encapsulation on the short message data and then transmits the short message data to the application processor through the data channel;
and after the IP packet protocol analysis and the UDP packet protocol analysis are carried out by the application processor, the IP packet protocol and the UDP packet protocol are transmitted to the application of the target port, and the short message content is analyzed by the application.
The data module firstly performs UDP packet protocol encapsulation and then performs IP packet protocol encapsulation;
the UDP packet protocol encapsulation is as follows: filling the short message data into a data area of a UDP encapsulation packet; defining by a client to obtain a source port number and a destination port number, and encapsulating the source port number, the destination port number, the total UDP length and verification into a UDP header of a UDP encapsulation packet;
the IP packet protocol encapsulation is as follows: filling the whole UDP encapsulation packet into a data area of the UDP/IP encapsulation packet; and defining by the client to obtain a source IP address and a destination IP address, and forming a pseudo header of the UDP/IP encapsulation packet by the source IP address, the destination IP address, the protocol number and the UDP length.
The UDP/IP encapsulation package does not encapsulate the frame head and the frame tail of the Ethernet, and the application processor analyzes the IP package through the kernel drive when receiving the UDP/IP encapsulation package and then analyzes the UDP package.
Based on the same inventive concept, the application also provides a device corresponding to the method in the first embodiment, which is detailed in the second embodiment.
Example two
As shown in fig. 4, the present embodiment provides a device for reporting a Modem short message, which includes a Modem processor and an application processor; the Modem processor further comprises a radio frequency antenna, a physical link layer, a short message module and a data module: the application processor further comprises an IP data packet analysis module and a UDP data packet analysis module:
the radio frequency antenna is used for transmitting the short message data to the physical link layer after receiving the short message notification;
the physical link layer is used for transmitting the short message data to the short message module;
the short message module is used for transmitting short message data to the data module and shielding a control channel for reporting the short message data;
the data module is used for carrying out UDP protocol encapsulation and IP protocol encapsulation on the short message data to form a UDP/IP encapsulation packet, and then transmitting the UDP/IP encapsulation packet to the application processor through a data channel;
the IP data packet analysis module is used for carrying out IP packet protocol analysis on the received UDP/IP encapsulation packet to obtain a UDP encapsulation packet;
and the UDP data packet analysis module is used for carrying out UDP packet protocol analysis on the UDP encapsulation packet to obtain short message data, then transmitting the short message data to the application of a target port, and analyzing the content of the short message by the application.
The data module packages the short message data by a UDP packet protocol first and then packages the short message data by an IP packet protocol;
the UDP packet protocol encapsulation is as follows: filling the short message data into a data area of a UDP encapsulation packet; defining by a client to obtain a source port number and a destination port number, and encapsulating the source port number, the destination port number, the total UDP length and verification into a UDP header of a UDP encapsulation packet;
the IP packet protocol encapsulation is as follows: filling the whole UDP encapsulation packet into a data area of the UDP/IP encapsulation packet; and defining by the client to obtain a source IP address and a destination IP address, and forming a pseudo header of the UDP/IP encapsulation packet by the source IP address, the destination IP address, the protocol number and the UDP length.
Since the apparatus described in the second embodiment of the present invention is an apparatus used for implementing the method of the first embodiment of the present invention, based on the method described in the first embodiment of the present invention, a person skilled in the art can understand the specific structure and the deformation of the apparatus, and thus the details are not described herein. All the devices adopted in the method of the first embodiment of the present invention belong to the protection scope of the present invention.
Based on the same inventive concept, the application provides an electronic device embodiment corresponding to the first embodiment, which is detailed in the third embodiment.
EXAMPLE III
The embodiment provides an electronic device, as shown in fig. 5, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, any one of the first embodiment modes may be implemented.
Since the electronic device described in this embodiment is a device used for implementing the method in the first embodiment of the present application, based on the method described in the first embodiment of the present application, a specific implementation of the electronic device in this embodiment and various variations thereof can be understood by those skilled in the art, and therefore, how to implement the method in the first embodiment of the present application by the electronic device is not described in detail herein. The equipment used by those skilled in the art to implement the methods in the embodiments of the present application is within the scope of the present application.
Based on the same inventive concept, the application provides a storage medium corresponding to the fourth embodiment, which is described in detail in the fourth embodiment.
Example four
The present embodiment provides a computer-readable storage medium, as shown in fig. 6, on which a computer program is stored, and when the computer program is executed by a processor, any one of the embodiments can be implemented.
To facilitate a further understanding of the present invention, the encapsulation and transmission of UDP/IP packets is further described as follows:
as shown in fig. 7, in the prior art, the transmission flow of the normal UDP/IP packet includes a dashed box, specifically:
(1) and the data to be sent by the sending end is encapsulated by UDP, then encapsulated by IP, and then encapsulated by the frame head and the frame tail by the network card drive, so as to obtain a UDP/IP data packet.
(2) After receiving the UDP/IP data packet, the receiving end parses the frame head and the frame tail, then transmits the frame head and the frame tail to the kernel driver of the application processor, the kernel driver analyzes the IP packet, then analyzes the UDP packet, and transmits the UDP packet through a set destination port to transmit the UDP/IP data packet to a specific application.
As also shown in fig. 7, the transmission flow of the UDP/IP packet in the present invention includes only the implementation block part, but does not include the dashed frame, specifically:
(1) because the short message received by the modem is transmitted to the data module through the short message module to be sent to the upper layer, the modem of the device plays the role of a sending end, and the modem protocol is already on the physical link layer, only IP and UDP protocol packets need to be encapsulated without encapsulating the frame head and the frame tail of the Ethernet frame, and the encapsulated packets are sent to the application processor.
(2) And skipping the modem by the receiving end, directly using the application processor, and then having no frame bit of the Ethernet frame header, after receiving the data packet, directly performing IP packet analysis by the kernel driving layer, then performing UDP packet analysis, and transmitting to a specific application through a specified destination port.
Further shown in FIG. 8, the UDP/IP packet format and padding format are shown.
Because the short message is not data transmitted by a network data TCP/IP packet, but the short message is customized by the user to be transmitted to an upper layer by a data channel, the user can package the short message data by a UDP packet protocol according to the format of a standard data packet and then package the short message data by an IP packet protocol. However, because the short message is not sent through the network and does not carry information of the IP address, the destination address, the source port number, and the destination port number, the user needs to define the definition so that the designated application can receive the short message.
Firstly, the device can establish data connection, only the data connection can send short messages, and after the data connection is established successfully, the modem can respond the information of IP address, DNS, protocol type (IPV4/V6), gateway and the like to the application processor. The following were used:
07-11 10:45:22.653D/RILJ(3734):[3812]<SETUP_DATA_CALL DataCallResponse:{version＝11status＝0retry＝-1cid＝0active＝2type＝IPV4V6 ifname＝rmnet_data0 mtu＝1500addresses＝[10.64.85.164/29]dnses＝[211.143.147.120,112.5.230.54]gateways＝[10.64.85.165]pcscf＝[]}[SUB0]
then the specific parameter assignments are as follows:
source IP address: fixed to IPV4, such as: 222.222.222.222
Destination IP address: address where the above connection was created successfully: 10.64.85.164
Protocol number: 17
UDP length refers to the length of bytes occupied by source port number + destination port number + total UDP length + checksum + data.
Source port number: the port number of the application program, which refers to the source host, 16bit, is fixed as 8000.
Destination port number: and the port number of the application program of the target host is used for limiting the specific application to be transmitted, 16 bits are default to 8001, and the port number is assigned to the short message receiving application.
Total length of UDP: including the total length of the UDP header and UDP data, for a total of 16 bits, since a UDP header of 8Bytes, the UDP data segment is a minimum of 8 Bytes.
And (4) checking the sum: 16bit and TCP checksum type, which are used to check the received data segment, the sending end records and calculates, and the receiving end verifies.
Data: the short message module transmits the short message data.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (7)
1. A Modem short message reporting method is characterized in that: the method comprises the following steps:
after receiving the short message notification through the radio frequency antenna, the Modem processor transmits the short message data to a physical link layer;
the physical link layer transmits the short message data to the short message module, and the short message module transmits the short message data to the data module, so that a control channel for reporting the short message data is shielded;
the data module performs UDP protocol encapsulation and IP protocol encapsulation on the short message data, a UDP/IP encapsulation packet does not encapsulate a frame head and a frame tail of an Ethernet and then is transmitted to the application processor through a data channel, and the application processor performs IP packet analysis through kernel driving when receiving the UDP/IP encapsulation packet and then performs UDP packet analysis;
and after the IP packet protocol analysis and the UDP packet protocol analysis are carried out by the application processor, the IP packet protocol and the UDP packet protocol are transmitted to the application of the target port, and the short message content is analyzed by the application.
2. The method of claim 1, wherein the Modem short message reporting method comprises:
the data channel is an SMD shared memory or a serial port.
3. The method of claim 1, wherein the Modem short message reporting method comprises:
the data module firstly performs UDP packet protocol encapsulation and then performs IP packet protocol encapsulation;
the UDP packet protocol encapsulation is as follows: filling the short message data into a data area of a UDP encapsulation packet; defining by a client to obtain a source port number and a destination port number, and encapsulating the source port number, the destination port number, the total UDP length and verification into a UDP header of a UDP encapsulation packet;
the IP packet protocol encapsulation is as follows: filling the whole UDP encapsulation packet into a data area of the UDP/IP encapsulation packet; and defining by the client to obtain a source IP address and a destination IP address, and forming a pseudo header of the UDP/IP encapsulation packet by the source IP address, the destination IP address, the protocol number and the UDP length.
4. A device for reporting Modem short message is characterized in that: the system comprises a Modem processor and an application processor; the Modem processor further comprises a radio frequency antenna, a physical link layer, a short message module and a data module; the application processor further comprises an IP data packet analysis module and a UDP data packet analysis module;
the radio frequency antenna is used for transmitting the short message data to the physical link layer after receiving the short message notification;
the physical link layer is used for transmitting the short message data to the short message module;
the short message module is used for transmitting short message data to the data module and shielding a control channel for reporting the short message data;
the data module is used for carrying out UDP protocol encapsulation and IP protocol encapsulation on the short message data to form a UDP/IP encapsulation packet, the UDP/IP encapsulation packet does not encapsulate a frame head and a frame tail of an Ethernet, then the UDP/IP encapsulation packet is transmitted to the application processor through a data channel, the application processor carries out IP packet analysis through kernel driving when receiving the UDP/IP encapsulation packet, and then carries out UDP packet analysis;
the IP data packet analysis module is used for carrying out IP packet protocol analysis on the received UDP/IP encapsulation packet to obtain a UDP encapsulation packet;
and the UDP data packet analysis module is used for carrying out UDP packet protocol analysis on the UDP encapsulation packet to obtain short message data, then transmitting the short message data to the application of a target port, and analyzing the content of the short message by the application.
5. The device for short message reporting of Modem according to claim 4, wherein:
the data module packages the short message data by a UDP packet protocol first and then packages the short message data by an IP packet protocol;
the UDP packet protocol encapsulation is as follows: filling the short message data into a data area of a UDP encapsulation packet; defining by a client to obtain a source port number and a destination port number, and encapsulating the source port number, the destination port number, the total UDP length and verification into a UDP header of a UDP encapsulation packet;
the IP packet protocol encapsulation is as follows: filling the whole UDP encapsulation packet into a data area of the UDP/IP encapsulation packet; and defining by the client to obtain a source IP address and a destination IP address, and forming a pseudo header of the UDP/IP encapsulation packet by the source IP address, the destination IP address, the protocol number and the UDP length.
6. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 3 when executing the program.
7. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 3.
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