CN105848146B - WIFI automatic connection method, device and system - Google Patents
WIFI automatic connection method, device and system Download PDFInfo
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Abstract
The invention provides a WIFI automatic connection method, device and system, wherein the method comprises the following steps: when the wireless access point AP is a device supporting automatic connection, the AP receives connection request data broadcasted by the wireless device, the connection request data carries an authentication message, and the authentication message is first attribute information of the wireless device; the AP transmits the received authentication message to a cloud server, and the cloud server verifies whether the authentication message is consistent with preset verification information or not, wherein the preset verification information is second attribute information preset in the wireless equipment and a unique organization identifier of the wireless equipment; when the first attribute information is consistent with the second attribute information, the AP automatically connects with the wireless equipment through the unique organization identifier; when the first attribute information is inconsistent with the second attribute information, the AP is not connected with the wireless equipment, so that automatic internet access of the wireless equipment is realized, and the connection efficiency of the wireless equipment and the AP is improved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a WIFI automatic connection method, device and system.
Background
In the existing WIFI encryption network, the connection between the wireless equipment and the AP can be realized only by inputting the password of the AP, namely, the internet surfing function can be realized. However, for many internet of things, in the application process of the internet of things, a human-computer interaction interface does not exist, and it is quite difficult to input a password on the internet of things, so that the connection process of the WIFI device is also complicated.
In summary, how to provide a high-efficiency WIFI connection is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a method, an apparatus and a system for WIFI automatic connection, so as to improve the efficiency of WIFI connection.
In order to achieve the above purpose, the invention provides the following technical scheme:
in one aspect, the invention provides a method for automatically connecting WIFI, which comprises the following steps:
when a wireless Access Point (AP) is a device supporting automatic connection, the AP receives connection request data broadcasted by the wireless device, the connection request data carries an authentication message, and the authentication message is first attribute information of the wireless device;
the AP transmits the received authentication message to a cloud server, and the cloud server verifies whether the authentication message is consistent with preset verification information or not, wherein the preset verification information is second attribute information preset in the wireless equipment, and the second attribute information carries a unique organization identifier of the wireless equipment;
when the first attribute information is consistent with the second attribute information, the AP automatically connects with the wireless device through the unique organization identifier;
when the first attribute information is inconsistent with the second attribute information, the AP is disconnected from the wireless device.
Preferably, before the AP receives the connection request data broadcast by the wireless device, the method includes:
and judging whether the AP is a device supporting an automatic connection function.
Preferably, the determining whether the AP is a device supporting an automatic connection function includes:
the AP receives request data broadcasted by the wireless equipment, wherein the request data carries first attribute information of the wireless equipment;
the AP sends a response message carrying the attribute to the wireless equipment;
after the response message fed back by the AP is sent to the wireless device, the AP is determined to be a device supporting an automatic connection function.
Preferably, the automatically connecting the unique organization identifier of the AP with the wireless device includes:
and the AP sends the password to the wireless equipment through the unique organization identifier to realize automatic connection with the wireless equipment.
In another aspect, the present invention provides an apparatus for WIFI automatic connection, including:
a receiving module, configured to receive, by an access point AP, connection request data broadcast by a wireless device when the AP is a device supporting automatic connection, where the connection request data carries an authentication message, and the authentication information is first attribute information of the wireless device;
a transmission module, configured to transmit the received authentication message to a cloud server by the AP, and verify, by the cloud server, whether the authentication message is consistent with preset verification information, where the preset verification information is second attribute information preset in the wireless device, and the second attribute information carries a unique organization identifier of the wireless device;
a connection module, configured to automatically connect, by the AP, to the wireless device through the unique organization identifier when the first attribute information is consistent with the second attribute information;
a disconnection module, configured to disconnect the AP from the wireless device when the first attribute information is inconsistent with the second attribute information.
Preferably, the apparatus further comprises:
and the judging module is used for judging whether the AP is a device supporting the automatic connection function.
Preferably, the transmission module includes:
a first receiving unit, configured to receive, by the AP, request data broadcasted by the wireless device, where the request data carries first attribute information of the wireless device;
a sending unit, configured to send, by the AP, a response message carrying the attribute to the wireless device;
a determining unit, configured to determine that the AP is a device supporting an automatic connection function after the response message fed back by the AP is sent to the wireless device.
Preferably, the connection module includes:
and the first sending unit is used for sending the password to the wireless equipment by the AP through the unique organization identifier so as to realize automatic connection with the wireless equipment.
In another aspect, the present invention provides a WIFI automatic connection system, including:
the system comprises a wireless device, a wireless Access Point (AP) and a cloud server.
Preferably, the number of the wireless devices is at least one.
Compared with the prior art, the invention has the following advantages:
according to the WIFI automatic connection method provided by the invention, the authentication message and the preset verification information carried in the connection request data packet broadcast by the wireless equipment are verified through the cloud server, if the authentication message and the preset verification information are the same, the AP establishes connection with the wireless equipment through the unique organization identifier in the preset verification information.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a WIFI automatic connection method according to an embodiment of the present invention;
fig. 2 is another flowchart of a WIFI automatic connection method according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for WIFI automatic connection according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a WIFI automatic connection device according to an embodiment of the present invention;
fig. 5 is a schematic sub-structure diagram of a WIFI automatic connection apparatus according to an embodiment of the present invention;
fig. 6 is another schematic structural diagram of a WIFI automatic connection device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of an operating process of a WIFI automatic connection system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For some wireless professional applications, users want wireless devices to automatically access the internet in various wireless environments without manually configuring the wireless devices. The embodiment of the invention realizes the automatic interaction of the AP password by modifying the interactive process of the wireless management frame.
Referring to fig. 1, a flowchart of a WIFI automatic connection method provided in an embodiment of the present invention is shown, where the method may include the following steps:
step 101: when the wireless access point AP is a device supporting automatic connection, the AP receives connection request data broadcast by the wireless device.
The wireless device in the embodiment of the present invention may be a wireless device having a WIFI device, or may be another device having a wireless function.
It should be noted that the connection request data carries an authentication message, and the authentication message is first attribute information of the wireless device.
The authentication message is encrypted data with a length of 16 bytes obtained by performing HASH encryption calculation based on the unique MAC address of the WIFI device. The HASH Encryption Algorithm is a set of data calculated and obtained in an MD5(Message-Digest Algorithm 5, information-Digest Algorithm 5) plus AES (Advanced Encryption Standard), and is a piece of data already stored in a non-lost storage area during the production of the wireless device.
Step 102: the AP transmits the received authentication message to a cloud server, the cloud server verifies whether the authentication message is consistent with preset verification information, and if so, step 103 is executed; if not, step 104 is performed.
It should be noted that the preset check information is second attribute information preset in the wireless device. The second attribute information carries a unique organization identifier of the wireless device.
Step 103: when the first attribute information coincides with the second attribute information, the AP automatically connects with the wireless device through the unique organization identifier.
Step 104: when the first attribute information is inconsistent with the second attribute information, the AP is not connected to the wireless device.
According to the WIFI automatic connection method provided by the invention, the cloud server is used for verifying the authentication message and the preset verification information carried in the connection request data packet broadcast by the wireless equipment, and under the condition that the authentication message and the preset verification information are the same, the AP establishes connection with the wireless equipment through the unique organization identifier in the preset verification information.
Referring to fig. 2, another flowchart of a method for WIFI automatic connection according to an embodiment of the present invention is shown, where the method includes the following steps:
step 201: and judging whether the AP is a device supporting the automatic connection function.
The determination of whether the AP is a device supporting an automatic connection function may be implemented in the following manner, where please refer to fig. 3, which shows another flowchart of a method for WIFI automatic connection provided in an embodiment of the present invention, and the method may include the following steps:
step 301: the AP receives request data broadcasted by the wireless equipment, and the request data carries first attribute information of the wireless equipment.
Step 302: the AP sends a response message carrying the attribute to the wireless device.
Step 303: after the response message fed back by the AP is transmitted to the wireless device, the AP is determined to be a device supporting the automatic connection function.
In the automatic WIFI connection method provided in the embodiment of the present invention, a special Custom IE is predefined to identify that the WIFI device and the AP support this function, and both a Probe Request (Request frame) sent by the device and a Probe Response (Response frame) replied by the AP need to carry this Custom IE information.
According to the IEEE802.11 protocol, the WIFI management frame includes many IEs (information), where there are many standard general IEs, such as ssid (service Set identifier) element, Supported Rates element, etc.; some user-defined IEs may also be included, such as the ID of Custom IE may be 0 xDD. It should be noted that the data format of a Custom IE is shown in table 1:
TABLE 1
| 0xDD(ID) | Length | OUI | OUI Type | Data |
The OUI consists of 3 bytes, called organization unique identifier (organization unique identifier), issued by a globally uniform organization. Wherein, the OUI used in the embodiment of the present invention is C8-93-46. Used to indicate that this Custom IE is user-defined. The OUI Type is one byte, which can be defined as various types.
The current definition of OUI Type is shown in Table 2.
TABLE 2
| OUI Type | Means of | Data |
| 1 | Automatic networking scan request | Is free of |
| 2 | Automatic networking scan reply | Is free of |
| 3 | Automatic networking authentication request | Authentication information |
| 4 | Automatic networking authentication reply | Authentication result, AP password |
Before the wireless device needs to be networked, a broadcast scanning Probe Request packet is sent, a special IE is contained in the packet, and an OUI Type is defined as 1 and represents a scanning Request. The device AP supporting the automatic connection function receives the Probe Request packet with the OUI IE and feeds back the Probe Response packet, and the Probe Response packet also carries the OUI, and the OUIType is 2, which indicates a scanning reply.
And after the wireless equipment receives the scanning reply, the wireless equipment determines the AP supporting the automatic connection function according to the sending and receiving process of the request data packet.
Step 202: when the wireless access point AP is a device supporting automatic connection, the AP receives connection request data broadcast by the wireless device.
After selecting the AP supporting the automatic connection function, the wireless equipment initiates an Assoc Request to the AP. It should be noted that the Assoc Request information sent by the wireless device needs to be present in the IE of the OUI of the wireless device, and is used as an authentication message. Meanwhile, for safety, the authentication information and the MAC address of the wireless device can be encrypted together to ensure the safety of data frame transmission.
Step 203: the AP sends the received authentication message to a cloud server, the cloud server verifies whether the authentication message is consistent with preset verification information, and if so, step 204 is executed; if not, step 205 is performed.
After receiving the Assoc Request, the AP calls the authentication message carried in the Assoc Request packet, sends the authentication message to the cloud server, compares the received authentication message with preset verification information, and sends the comparison result to the AP.
Wherein the preset verification information is stored on the cloud server. The preset check information is second attribute information preset in the wireless device and a unique organization identifier of the wireless device. It should be noted that the preset check information is a piece of check information written by the WIFI device during production, and may be an MAC address of the wireless device, a name of the wireless device, and the like.
Step 204: and when the first attribute information is consistent with the second attribute information, the AP sends the password to the wireless equipment through the unique organization identifier, so that automatic connection with the wireless equipment is realized.
The AP sends an Assoc Response packet to the wireless device according to the comparison result fed back by the cloud server, when the authentication message as the first attribute information is the same as the second attribute information in the preset check information, the AP sends the password to the wireless device through the unique organization identifier in the preset check information, and the wireless device is automatically connected with the AP after receiving the password, so that wireless communication between the wireless device and the AP is realized.
Step 205: when the first attribute information is inconsistent with the second attribute information, the AP is not connected to the wireless device.
And when the first attribute information and the second attribute information are not the same, the AP directly refuses the request for establishing the communication connection with the wireless device in the Assoc Response packet.
According to the WIFI automatic connection method provided by the embodiment of the invention, the AP which can be connected with the wireless equipment is screened out in a mode that the wireless equipment is matched with the AP, and then the verification information of the equipment in advance on the cloud server is compared with the authentication information of the wireless equipment which needs to be connected with the AP, so that the connection between the wireless equipment and the AP is realized, and the automatic connection efficiency of the wireless equipment is effectively improved.
Corresponding to the embodiment of the foregoing method, an embodiment of the present invention further provides a device for WIFI automatic connection, as shown in fig. 4, where the device may include: a receiving module 11, a transmitting module 12, a connecting module 13 and a disconnecting module 14, wherein:
a receiving module 11, configured to, when the wireless access point AP is a device supporting automatic connection, receive connection request data broadcast by the wireless device by the AP.
The transmission module 12 is configured to transmit the received authentication message to the cloud server, and verify whether the authentication message is consistent with preset verification information through the cloud server, where the preset verification information is second attribute information preset in the wireless device, and the second attribute information carries a unique organization identifier of the wireless device.
Referring to fig. 5, a schematic sub-structure diagram of a WIFI automatic connection device according to an embodiment of the present invention is shown, where the transmission module 12 may further include: a first receiving unit 21, a transmitting unit 22 and a determining unit 23, wherein:
a first receiving unit 21, configured to receive, by the AP, request data broadcast by the wireless device.
A sending unit 22, configured to send a response message carrying the attribute to the wireless device by the AP.
The determining unit 23 is configured to determine that the AP is a device supporting the automatic connection function after the response message fed back by the AP is sent to the wireless device.
It can be understood that only the device having the function of supporting automatic connection can realize WIFI automatic connection, so that in the apparatus for WIFI automatic connection provided in the embodiment of the present invention, the AP needs to be functionally determined.
And a connection module 13, configured to automatically connect the AP with the wireless device through the unique organization identifier when the first attribute information is consistent with the second attribute information.
Wherein, the connection module 13 may further include: a first sending unit 31, wherein:
and a first sending unit 31, configured to send the password to the wireless device through the unique organization identifier, so as to implement automatic connection with the wireless device.
And a disconnection module 14, configured to disconnect the AP from the wireless device when the first attribute information is inconsistent with the second attribute information.
According to the WIFI automatic connection method provided by the invention, the authentication message and the preset verification information carried in the connection request data packet broadcast by the wireless equipment are verified through the cloud server, if the authentication message and the preset verification information are the same, the AP establishes connection with the wireless equipment through the unique organization identifier in the preset verification information.
Referring to fig. 6, another schematic structural diagram of a WIFI automatic connection device according to an embodiment of the present invention is shown, and on the basis of fig. 4, the WIFI automatic connection device may further include: a judging module 15, wherein:
and a judging module 15, configured to judge whether the AP is a device supporting an automatic connection function.
According to the WIFI automatic connection method provided by the embodiment of the invention, the AP which can be connected with the wireless equipment is screened out in a mode that the wireless equipment is matched with the AP, and then the verification information of the equipment in advance on the cloud server is compared with the authentication information of the wireless equipment which needs to be connected with the AP, so that the connection between the wireless equipment and the AP is realized, and the automatic connection efficiency of the wireless equipment is effectively improved.
The embodiment of the invention also provides a system for automatically connecting WIFI, which can comprise wireless equipment, a wireless access point AP and a cloud server, wherein fig. 7 shows a working process schematic diagram of the system for automatically connecting WIFI provided by the embodiment of the invention.
It should be noted that, in the system for WIFI automatic connection provided in the embodiment of the present invention, automatic connection of one wireless device may be implemented, and automatic connection of multiple wireless devices may also be implemented simultaneously, that is, in the system provided in the embodiment of the present invention, the number of the wireless devices is one or more than one.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A WIFI automatic connection method is characterized by comprising the following steps:
when a wireless Access Point (AP) is a device supporting automatic connection, the AP receives connection request data broadcasted by the wireless device, wherein the connection request data carries an authentication message, and the authentication message is first attribute information of the wireless device; the AP transmits the received authentication message to a cloud server, and the cloud server verifies whether the authentication message is consistent with preset verification information or not, wherein the preset verification information is second attribute information preset in the wireless equipment, and the second attribute information carries a unique organization identifier of the wireless equipment;
when the first attribute information is consistent with the second attribute information, the AP automatically connects with the wireless device through an organization unique identifier; when the first attribute information is inconsistent with the second attribute information, the AP is not connected with the wireless device;
wherein the connection request data is stored in an organization unique identifier belonging to an IE of a wireless management frame; wherein, the IE of the wireless management frame is a predefined Custom IE; before the AP receives the connection request data broadcast by the wireless device, the method comprises the following steps:
judging whether the AP is a device supporting an automatic connection function or not; judging whether the AP is a device supporting an automatic connection function or not according to the organization unique identifier in the predefined CustomIE carried in both the request frame broadcasted by the wireless device and the response frame replied by the AP;
wherein the determining whether the AP is a device supporting an automatic connection function includes:
the AP receives a request frame broadcasted by the wireless equipment, wherein the request frame carries first attribute information of the wireless equipment;
the AP sends a response frame carrying an attribute to the wireless equipment;
after the response frame fed back by the AP is sent to the wireless device, the AP is determined to be a device supporting an automatic connection function.
2. The method of claim 1, wherein automatically connecting, by the AP, with the wireless device via the organizational unique identifier comprises:
and the AP sends the password to the wireless equipment through the organization unique identifier to realize automatic connection with the wireless equipment.
3. A WIFI automatic connection's device which characterized in that includes:
a receiving module, configured to receive, by an access point AP, connection request data broadcast by a wireless device when the AP is a device supporting automatic connection, where the connection request data carries an authentication message, and the authentication message is first attribute information of the wireless device;
a transmission module, configured to transmit the received authentication message to a cloud server by the AP, and verify, by the cloud server, whether the authentication message is consistent with preset verification information, where the preset verification information is second attribute information preset in the wireless device, and the second attribute information carries a unique organization identifier of the wireless device;
a connection module, configured to automatically connect the AP with the wireless device by organizing a unique identifier when the first attribute information is consistent with the second attribute information;
wherein the connection request data is stored in an organization unique identifier; wherein the organization unique identifier is an IE of a wireless management frame; wherein, the IE of the wireless management frame is a predefined Custom IE;
a disconnection module, configured to disconnect the AP from the wireless device when the first attribute information is inconsistent with the second attribute information;
wherein the apparatus further comprises:
the judging module is used for judging whether the AP is a device supporting an automatic connection function or not; judging whether the AP is a device supporting an automatic connection function or not according to the organization unique identifier in the predefined Custom IE carried in both the request frame broadcasted by the wireless device and the response frame replied by the AP;
wherein the transmission module comprises:
a first receiving unit, configured to receive, by the AP, a request frame broadcasted by the wireless device, where the request frame carries first attribute information of the wireless device;
a sending unit, configured to send, by the AP, a response frame carrying an attribute to the wireless device;
a determining unit, configured to determine that the AP is a device supporting an automatic connection function after the response frame fed back by the AP is sent to the wireless device.
4. The apparatus of claim 3, wherein the connection module comprises:
and the first sending unit is used for sending the password to the wireless equipment by the AP through the organization unique identifier so as to realize automatic connection with the wireless equipment.
5. A WIFI auto-connect system, the system comprising:
the system comprises wireless equipment, a wireless Access Point (AP) and a cloud server; the system is specifically configured to:
when a wireless Access Point (AP) is a device supporting automatic connection, the AP receives connection request data broadcasted by the wireless device, wherein the connection request data carries an authentication message, and the authentication message is first attribute information of the wireless device; the AP transmits the received authentication message to a cloud server, and the cloud server verifies whether the authentication message is consistent with preset verification information or not, wherein the preset verification information is second attribute information preset in the wireless equipment, and the second attribute information carries a unique organization identifier of the wireless equipment;
when the first attribute information is consistent with the second attribute information, the AP automatically connects with the wireless device through an organization unique identifier; when the first attribute information is inconsistent with the second attribute information, the AP is not connected with the wireless device;
wherein the connection request data is stored in an organization unique identifier belonging to an IE of a wireless management frame; wherein, the IE of the wireless management frame is a predefined Custom IE;
wherein before the AP receives the connection request data broadcast by the wireless device, the system is further configured to:
judging whether the AP is a device supporting an automatic connection function or not; judging whether the AP is a device supporting an automatic connection function or not according to the organization unique identifier in the predefined CustomIE carried in both the request frame broadcasted by the wireless device and the response frame replied by the AP;
wherein the determining whether the AP is a device supporting an automatic connection function includes:
the AP receives a request frame broadcasted by the wireless equipment, wherein the request frame carries first attribute information of the wireless equipment;
the AP sends a response frame carrying an attribute to the wireless equipment;
after the response frame fed back by the AP is sent to the wireless device, the AP is determined to be a device supporting an automatic connection function.
6. The system of claim 5, wherein the number of wireless devices is at least one.
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| CN103987042A (en) * | 2014-05-08 | 2014-08-13 | 中国联合网络通信集团有限公司 | Access authentication method of terminals and access gateway |
| CN103987130A (en) * | 2014-05-16 | 2014-08-13 | 北京奇虎科技有限公司 | Terminal access method, device and system based on WIFI equipment |
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