CN106304245B - Equipment network access configuration method and device - Google Patents
Equipment network access configuration method and device Download PDFInfo
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Abstract
The invention discloses a device network access configuration method and a device thereof, which is used for a wireless access point method and comprises the following steps: receiving request information for configuring network access by equipment; loading network access configuration data into a manufacturer specific information field of a beacon frame; broadcasting the beacon frame. According to the equipment network access configuration method and device, the beacon frame is used for carrying configuration data, and the beacon frame is broadcast and sent by the routing equipment, so that a larger radiation range can be provided. And because the beacon frame is a Wifi protocol standard frame, the technology is mature, the Wifi device stably supports the frame, and the compatibility can be greatly optimized. Meanwhile, because a single beacon frame can carry all configuration data, the problem of packet packaging is not involved, and the configuration success rate can be effectively ensured.
Description
Technical Field
The present invention relates to the field of network technologies, and in particular, to a device network access configuration method and apparatus.
Background
At present, the network access configuration of the device generally adopts a multicast mode, and when the network access configuration is carried out by using the multicast mode, the network access configuration is in a private protocol and mostly adopts packet transmission data. Because different routing devices or control ends have different support degrees for multicast, the compatibility is poor; meanwhile, a large number of multicast packets are sent, which brings instant network pressure. The packet transmission mode is adopted, so that the requirement on the network environment is high, and the configuration success rate is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to provide a method and an apparatus for configuring network access of a device, so as to improve the success rate of configuration.
In order to solve the above technical problem, an apparatus network access configuration method in the present invention is used for accessing an access point wirelessly, and the method includes the following steps:
receiving request information for configuring network access by equipment;
loading network access configuration data into a manufacturer specific information field of a beacon frame;
broadcasting the beacon frame.
In order to solve the above technical problem, an apparatus network access configuration method in the present invention is used for an apparatus side, and the method includes the following steps:
when the router is in a configuration state, receiving a beacon frame sent by the router;
acquiring the network access configuration data from a manufacturer specific information field of the beacon frame;
and accessing the network based on the acquired network access configuration data.
In order to solve the above technical problem, an apparatus network access configuration method in the present invention is used for accessing an access point wirelessly, and the method includes the following steps:
recording equipment information of equipment which successfully accesses the network;
after the password of the wireless access point is changed, receiving a detection request frame sent by equipment, and acquiring equipment information and access point information from a manufacturer specific information field of the detection request frame;
comparing the acquired access point information with the local end access point information;
when the comparison is consistent, matching the acquired equipment information with the recorded equipment information;
and when the matching is successful, loading new network access configuration data into the manufacturer specific information field of the beacon frame, and then broadcasting the beacon frame loaded with the new network access configuration data.
In order to solve the above technical problem, an apparatus network access configuration method in the present invention is used for an apparatus side, and the method includes the following steps:
loading the local terminal equipment information and the access point information into a manufacturer specific information field of a detection request frame when the wireless access point is disconnected due to password error;
broadcasting the probe request frame;
opening a configuration state, receiving a beacon frame which is broadcasted by a wireless access point and carries new network access configuration data, and acquiring the new network access configuration data from a manufacturer specific information field of the beacon frame;
and accessing the network based on the new network access configuration data.
In order to solve the above technical problem, an apparatus network access configuration device in the present invention includes:
the request receiving module is used for receiving request information of network access configured by the equipment;
the data assembly module is used for loading the network access configuration data into a manufacturer specific information field of the beacon frame;
and the broadcast module is used for broadcasting the beacon frame.
In order to solve the above technical problem, an apparatus network access configuration device in the present invention includes:
the recording unit is used for recording the equipment information of the equipment which successfully accesses the network;
a detection request receiving unit, configured to receive a detection request frame sent by a device after a password of the wireless access point changes, and obtain device information and access point information from a vendor-specific information field of the detection request frame;
the identification unit is used for comparing the acquired access point information with the local access point information; when the comparison is consistent, matching the acquired equipment information with the recorded equipment information; and when the matching is successful, loading new network access configuration data into the manufacturer specific information field of the beacon frame, and then broadcasting the beacon frame loaded with the new network access configuration data.
In order to solve the above technical problem, an apparatus network access configuration device in the present invention includes:
the frame receiving module is used for receiving a beacon frame sent by the router when the router is in a configuration state;
a configuration data acquisition module, configured to acquire the network access configuration data from a vendor specific information field of the beacon frame;
and the network connection module is used for accessing the network based on the acquired network access configuration data.
In order to solve the above technical problem, an apparatus network access configuration device in the present invention includes:
the request information assembling unit is used for loading the local terminal equipment information and the access point information into a manufacturer specific information field of a detection request frame when the wireless access point is disconnected due to password error;
a request broadcasting unit for broadcasting the probe request frame;
the frame receiving unit is used for opening a configuration state and receiving a beacon frame which is broadcasted by the wireless access point and carries new network access configuration data;
the configuration data acquisition unit is used for acquiring new network access configuration data from a manufacturer specific information field of the beacon frame;
and the network connection unit is used for accessing the network based on the new network access configuration data.
The invention has the following beneficial effects:
according to the equipment network access configuration method and device, the beacon frame is used for carrying configuration data, and the beacon frame is broadcast and sent by the routing equipment, so that a larger radiation range can be provided. And because the beacon frame is a Wifi protocol standard frame, the technology is mature, the Wifi device stably supports the frame, and the compatibility can be greatly optimized. Meanwhile, because a single beacon frame can carry all configuration data, the problem of packet packaging is not involved, and the configuration success rate can be effectively ensured.
Drawings
Fig. 1 is a flowchart of a device network access configuration method according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a data structure of a configuration entry according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a data structure of an entry header in an embodiment of the present invention;
FIG. 4 is a diagram illustrating a data structure of header information according to an embodiment of the present invention;
fig. 5 is a data structure diagram of a packet header according to an embodiment of the present invention;
fig. 6 is a flowchart of a device network access configuration method according to an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating interaction between a device and an AP during network outage according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a device network entry configuration apparatus for an AP in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a device network entry configuration apparatus for a device side in an embodiment of the present invention.
Detailed Description
In order to improve the success rate of configuration, the present invention provides a method and an apparatus for configuring network access of a device, and the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1, a device network access configuration method in an embodiment of the present invention is used for wirelessly accessing an access point, and the method includes the following steps:
s101, receiving request information of network access configured by equipment; wherein the request for information is typically user initiated. For example, the user initiates at a router management page.
S102, loading the network access configuration data into the vendor specific information field of the beacon frame.
S103, broadcasting the beacon frame to enable the equipment in the configuration state to acquire the network access configuration data from the received beacon frame; and the frame identification is used for identifying that the beacon frame carries network access configuration data.
The embodiment of the invention abandons the mode of multicast configuration, utilizes Beacon frames to carry all configuration data, and uses the routing equipment to broadcast and send the Beacon frames, thereby providing a larger radiation range. And because the Beacon frame is a Wifi protocol standard frame, the technology is mature, the Wifi device stably supports the frame, and the compatibility can be greatly optimized. Meanwhile, because a single beacon frame can carry all configuration data, the problem of packet packaging is not involved, and the configuration success rate can be effectively ensured.
On the basis of the above-described embodiment, a modified embodiment of the above-described embodiment is further proposed, and it is to be noted herein that, in order to make the description brief, only the differences from the above-described embodiment are described in each modified embodiment.
In one embodiment of the present invention, before the step of broadcasting the beacon frame, the method further includes:
obtaining manufacturer information of equipment needing to be configured with network access, determining a frame identifier for identifying that the beacon frame carries network access configuration data according to the manufacturer information, and loading the frame identifier into a manufacturer specific information field of the beacon frame.
The Beacon frame is a standard management frame specified by an 802.11 protocol of Wifi, and the Wifi device broadcasts the Beacon frame regularly to notify the existence of a network AP (Wireless Access Point). Besides carrying some basic information of Wifi, the Beacon frame also allows Wifi equipment manufacturers to provide customized information in a manufacturer specific information field. The network access configuration data and the frame identifier are loaded into the vendor specific information field of the beacon frame based on this embodiment of the present invention. The implementation mode of the invention has simple principle, effectively reduces the implementation complexity and does not need to change the protocol regulation of the Beacon frame.
Specifically, the user selects an intelligent household appliance configuration option on a router management page, selects manufacturer information of a new household appliance from the options, and if the manufacturer information is found, the household appliance of the manufacturer and the router manufacturer negotiate about using a manufacturer specific information field in a Beacon frame, and then a wireless access point (such as a router) is started to configure a network access process for the household appliance of the manufacturer.
A wireless access point (such as a router) sends a Beacon frame, a data area of the frame includes a frame identifier, and the frame identifier may be 4 consecutive bytes of data and is used to indicate that the frame carries network access configuration data, for example, after a device (an intelligent home appliance device) receives the Beacon frame, it is determined whether there is specific information of 4 consecutive bytes in the data area, if so, it indicates that the frame utilizes a vendor specific information field, and network access configuration data is obtained from the field.
The wireless access point comprises a router and a device with a routing function, such as a mobile terminal (including a mobile phone).
Further, the carrying mode of the network access configuration data in this step may have two forms: one is that SSID and password are carried in the data area of Beacon frame, the other is that SSID information is carried in SSID field of Beacon frame, and password is carried in data area; this step is performed for 1 minute.
That is, the network access configuration data includes two configuration information, namely a network access password and a service set identifier; or,
the network access configuration data comprises configuration information of a network access password, and the SSID field of the beacon frame carries the service set identifier.
Still further, the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, wherein: the step of loading the network access configuration data and the frame identifier into the vendor specific information field of the beacon frame comprises:
respectively encapsulating the configuration information in the network access configuration data in configuration information entries of corresponding types;
encapsulating length information of each configuration information entry in an entry header;
determining the sum of the lengths of each configuration information item and the item header;
encapsulating the length sum information and the frame identification in a packet header;
loading the header, the type of the configuration information entry, the entry header, and each of the configuration information entries into a vendor specific information field of the beacon frame.
The type of the configuration information entry includes a first mode: a network access password type and a service set identification type; or the second mode: a network access password type.
That is to say, in this embodiment, three sections of configuration packet headers, entry headers, and configuration entries are adopted to encapsulate the network access configuration data and the frame identifiers into configuration data packets, and the configuration data packets are loaded into the vendor specific information fields of the beacon frames.
The embodiment of the invention uses three forms of configuration packet header, item header and configuration item to package the data of the specific field of the manufacturer, adopts the mode of configuration item to package the configuration data, determines the position of the item (configuration information) according to the length of the configuration item, and can be conveniently expanded.
The step of encapsulating the network entry configuration data and the frame identification is described in detail below.
Assembly configuration information entry (entry for short):
step 1, the network access configuration data comprises two types of configuration information, namely network access password configuration information and service set identification configuration information. In the embodiment of the invention, the network access password must be carried in a manufacturer specific information field, and the service set identifier can be carried in the manufacturer specific information field and also can be carried in an SSID field of a beacon frame; therefore, the network access configuration data is divided into two types of SSID (service set identifier) and KEY (network access password). There are two types of entries, including SSID class and KEY class. That is, each kind of configuration information in the network access configuration data is correspondingly assembled into one configuration information item.
And step 2, each configuration information entry comprises a CRC check code of 4 bytes, an entry type (optional) of 1 byte, an entry length (optional) of 2 bytes and a variable-length original data length.
And 3, encrypting the entry type, the entry length and the original configuration data in each configuration information entry through a TEA encryption algorithm to obtain encrypted data.
And 4, checking the encrypted data by adopting a CRC32 checking algorithm to obtain a CRC check code.
And 5, forming a complete configuration information item by using the encrypted data and the CRC check code. The structure of the assembled configuration items is shown in fig. 2.
Assembling an item header:
step 1, an entry head consists of CRC check codes and header information of 4 bytes.
And step 2, the header information comprises the version, the header length and the length information of each item of the technical invention. These sub information are arranged from lower to higher order in bit mode.
And 3, mapping real values by adopting an id index mode for both the version and the head length in order to save bit bits.
And 4, in the invention, the version 1 is represented as an initial version, the head length id is 1, and the head information occupies 3 bytes and has 24 bits in total.
And 5, calculating to obtain the length of each configuration item.
And step 6, the version occupies 3 bits and supports 7 extensions. The header length id occupies 2 bits and supports 3 extensions. The SSID entry length occupies 6 bits, and the KEY entry length occupies 7 bits. If not, 0 is complemented in high order.
And 7, acquiring the bit form data of each piece of sub information according to the step 6, and then reversing the bit of each piece of sub information. The results are sequentially arranged from low order to high order in the order of the head length, version, SSID and KEY in a bit mode, the head length and version information occupy the lower five bits, the SSID and KEY are filled from the 6 th bit (namely bit5), and the upper bits are less than 32 bits and complement 0.
And 8, packaging the arrangement result into header information in a byte form from the low order. For example, as shown in fig. 3, taking the SSID entry length as 21 and the KEY entry length as 15 as examples:
the SSID entry length is 21, 6 bits are occupied, 010101 is achieved, and 101010 is achieved after the reverse order is achieved;
the length of the KEY entry is 15, 7 bits are occupied, the number of the KEY entries is 0001111, and the number of the KEY entries is 1111000 after the KEY entries are in reverse order;
version 1, occupying 3 bits, 001, and 100 after reverse order;
the head length id is 1, occupies 2 bits and is 01, and the head length after the reverse order is 10;
the complete header information is (from low to high: header length id, version, SSID, KEY):
101010111100010010, less than 32 bits, high complement 0 bit:
000000 101010 1111000 100 10--》00000010 10101111 00010010
the conversion from low order to byte form is: 125 e 02.
And 9, performing CRC32 check on the header information to obtain a 4-byte CRC check code.
Step 10, the CRC check code and the header information constitute the completed entry header. The structure of the entry header is shown in fig. 4.
Packaging configuration packet header (abbreviated as packet header):
the packet header includes: a private preamble, a CRC32 check code, a packet length, a packet type, and a 3 byte reserved field.
Private preamble: the storage frame identifier may be a 4-byte special hexadecimal number, and the uniform value is determined by negotiation of an implementer.
CRC check code: the CRC32 of the packet header successor data of the length specified for the length of the body length.
The length of the bag body is as follows: the sum of the entry header and the length of each entry.
Packet type: a value of 0 indicates the Beacon configuration data. And (4) the expansion is realized.
And (4) reserving a field: and (6) reserving.
During transmission, the private preamble and the CRC check code of the header need to be converted into the network byte order, and other data may not be converted. The data structure of the header is shown in fig. 5.
And forming a complete data segment by the configuration packet header, the item header and the item information, loading the complete data segment into a manufacturer specific field of the Beacon, and sending the complete data segment along with the broadcast of the Beacon.
In another embodiment of the present invention, after the step of broadcasting the beacon frame carrying the network access configuration data and the frame identifier, the method further includes:
recording equipment information of equipment which successfully accesses the network;
after the password of the wireless access point is changed, receiving a detection request frame sent by equipment, and acquiring equipment information and access point information from a manufacturer specific information field of the detection request frame;
comparing the acquired access point information with the local end access point information;
when the comparison is consistent, matching the acquired equipment information with the recorded equipment information;
and when the matching is successful, loading new network access configuration data into the manufacturer specific information field of the beacon frame, and then broadcasting the beacon frame loaded with the new network access configuration data.
Wherein the device information may select a device MAC address and the access point information may select an access point MAC address.
The embodiment of the invention can ensure that only the AP end and the intelligent Internet of things equipment end are needed to participate when the AP changes the network access configuration data, thereby reducing the dependence on a third-party control program, simplifying the network access process of equipment configuration and optimizing the user experience.
Of course, this embodiment may also be implemented independently without depending on the above-described embodiment and various modified embodiments, that is, an embodiment of the present invention further provides a device network access configuration method for wirelessly accessing an access point, where the method includes the following steps:
step 1, recording equipment information of equipment successfully accessed to a network;
step 2, after the password of the wireless access point is changed, receiving a detection request frame sent by equipment, and acquiring equipment information and access point information from a manufacturer specific information field of the detection request frame;
step 3, comparing the acquired access point information with the local access point information;
step 4, when the comparison is consistent, matching the acquired equipment information with the recorded equipment information;
and 5, when the matching is successful, loading new network access configuration data into the manufacturer specific information field of the beacon frame, and broadcasting the beacon frame loaded with the new network access configuration data.
As shown in fig. 6, an apparatus network access configuration method in an embodiment of the present invention is used at an apparatus side, and the method includes the following steps:
s601, when in configuration state, receiving a beacon frame sent by a router;
s602, obtaining the network access configuration data from the manufacturer specific information field of the beacon frame;
s603, accessing the network based on the acquired network access configuration data.
In an embodiment of the present invention, before the step of obtaining the network access configuration data from the vendor specific information field of the beacon frame, the method further includes:
searching a frame identifier for identifying that the beacon frame carries network access configuration data from a manufacturer specific information field of the beacon frame;
and when the frame identification is searched, acquiring the network access configuration data from the vendor specific information field.
Further, the network access configuration data is obtained from the vendor specific information field; accessing the network based on the acquired network access configuration data, comprising:
acquiring the network access configuration data from a manufacturer specific information field of the beacon frame;
if the network access configuration data comprises two kinds of configuration information, namely a network access password and a service set identifier, accessing the network based on the network access password and the service set identifier;
and if the network access configuration data comprises configuration information of a network access password, acquiring the service set identifier from the SSID field of the beacon frame, and accessing the network based on the network access password and the service set identifier.
In detail, in the embodiment of the present invention, after receiving a beacon frame, a device starts to search for a vendor specific information field, searches for a packet header first, and when a beacon frame is searched, acquires corresponding configuration information from each configuration entry based on packet information in the packet header and header information in the entry header; the header information at least includes length information of each configuration entry, and the packet information at least includes length information of configuration data packets.
Specifically, the configuration packet header includes a private preamble, a packet information check code, and packet information; the frame identifier is specifically the private preamble; the item header comprises a header information check code and header information; each configuration item comprises a configuration item check code and corresponding configuration information;
the step of acquiring corresponding configuration information from each configuration entry based on the packet information in the packet header and the header information in the entry header specifically includes:
verifying the package information check code, and extracting the package information after the package information check code passes the verification;
verifying the header information check code, and extracting the header information after the verification of the header information check code is passed;
and respectively verifying the item check codes of the configuration items, determining the position of the configuration information according to the packet information and the header information after the item check codes are verified, and extracting the corresponding configuration information from the determined position.
As shown in fig. 7, in another embodiment of the present invention, after the step of accessing the network based on the obtained network access configuration data, the method further includes:
loading the local terminal equipment information and the access point information into a manufacturer specific information field of a detection request frame when the wireless access point is disconnected due to password error;
broadcasting the probe request frame;
opening a configuration state, receiving a beacon frame which is broadcasted by a wireless access point and carries new network access configuration data, and acquiring the new network access configuration data from a manufacturer specific information field of the beacon frame;
and accessing the network based on the new network access configuration data.
Wherein the device information includes a MAC address of the device; the access point information includes a MAC address of the access point.
Of course, the probing method shown in fig. 7 may be implemented independently of the network access configuration method shown in fig. 6.
A specific application example is provided to describe the method in the embodiment of the present invention in detail.
1. After the intelligent Internet of things equipment is configured, the Beacon message is received in the air.
2. After receiving the Beacon message, firstly searching the private lead code contained in the packet header. Since vendor specific fields often have packet trailers, it is recommended to search in reverse order from the trailer.
3. After searching for the private preamble, the header is extracted from the location. And verifying whether the CRC check code of the whole configuration data is correct. The packet is incorrectly dropped.
4. And after the CRC is verified to be correct, detecting whether the packet type is Beacon configuration data. Otherwise, the packet is discarded.
5. And after the packet header is verified, extracting entry header information from subsequent data of the packet header.
6. The first four bytes of entry header information are the CRC check code. Since the header information in the entry header has a maximum of 6 bytes and a minimum of 2 bytes, the CRC check value of the data of the length is calculated step by step starting from 2 bytes, and compared with the four-byte CRC value starting from the received entry header information, the header information length can be determined if the CRC check value is consistent with the four-byte CRC value.
7. The header length ID, version, and each entry length are parsed from within the header information. When the version value is 1, the version occupies 3 bits, the header length ID occupies 2 bits, the SSID information occupies 6 bits, and the KEY occupies 7 bits. The header length ID, version, SSID, KEY are arranged in this order.
8. Starting from the first byte of the header information, the lower 2 bits of the byte are reversed in order, as the header length ID. And verifying whether the head length mapped by the head length ID is consistent with the length value obtained in the step 6 or not, and discarding inconsistency.
9. After the head length is verified, starting from the next bit in the original data, the next lower three bits in the reverse order are used as the version.
10. The next lower 6 bits of the version are SSID, and the deficiency is filled from the lower bits of the next byte. The 6 bits bit is inverted to obtain the length of the SSID entry.
11. The lower 7 bits following the SSID are KEY, and the shortages are filled from the lower bit of the next byte. The 7 bits bit are inverted to obtain the length of KEY.
12. And after the head items are verified, the information in each configuration item is analyzed.
13. And taking data of the SSID length from the starting position of the configuration entry as an SSID entry. The first four bytes are CRC check values. Firstly, CRC check values of the rest data in the SSID entry are obtained, and whether the CRC check values are correct or not is verified. If not, the packet is discarded. If correct, the subsequent data is TEA decrypted. If there are entry type and entry length fields, then verify that both fields are correct. The rest data are SSIDs.
14. After the SSID data is verified, the data with the length of KEY is taken as the KEY entry from the next byte. The first four bytes are CRC check values. Firstly, the CRC value of the rest data in the KEY entry is obtained, and whether the CRC value is correct or not is verified. If not, the packet is discarded. If correct, the subsequent data is TEA decrypted. If there are entry type and entry length fields, then verify that both fields are correct. The rest data are SSIDs.
15. And after the SSID and the KEY are obtained, the intelligent Internet of things equipment is connected to the network through the value.
The invention further provides a device network access configuration device.
As shown in fig. 8, an apparatus network access configuration apparatus in an embodiment of the present invention is used for accessing an access point wirelessly, and includes:
a request receiving module 800, configured to receive request information for configuring network access by a device;
a data assembling module 820, configured to load network access configuration data into a vendor specific information field of a beacon frame;
a broadcasting module 840, configured to broadcast the beacon frame.
The device network access configuration device in the embodiment of the invention can be a wireless access point device, such as a router, and a mobile terminal with a routing function; or may be a separate device of the wireless access point device.
In an embodiment of the present invention, the data assembling module 820 is further configured to obtain vendor information of a device that needs to be configured for network access, determine, according to the vendor information, a frame identifier for identifying that the beacon frame carries network access configuration data, and load the frame identifier into a vendor specific information field of the beacon frame.
The network access configuration data comprises two configuration information of a network access password and a service set identifier; or,
the network access configuration data comprises configuration information of a network access password, and the SSID field of the beacon frame carries the service set identifier.
Specifically, the data assembling module 820 is specifically configured to encapsulate configuration information in the network access configuration data in configuration information entries of corresponding types respectively;
encapsulating length information of each configuration information entry in an entry header;
determining the sum of the lengths of each configuration information item and the item header;
encapsulating the length sum information and the frame identification in a packet header;
loading the header, the type of the configuration information entry, the entry header, and each of the configuration information entries into a vendor specific information field of the beacon frame.
The type of the configuration information entry includes a first mode: a network access password type and a service set identification type; or the second mode: a network access password type.
In another embodiment of the present invention, the apparatus further comprises:
the recording module is used for recording the equipment information of the equipment which successfully accesses the network;
the detection request receiving module is used for receiving a detection request frame sent by equipment after the password of the wireless access point is changed, and acquiring equipment information and access point information from a manufacturer specific information field of the detection request frame;
the identification module is used for comparing the acquired access point information with the local end access point information; when the comparison is consistent, matching the acquired equipment information with the recorded equipment information; and when the matching is successful, triggering the data assembly module to load new network access configuration data into the manufacturer specific information field of the beacon frame, and enabling the broadcast module to broadcast the beacon frame loaded with the new network access configuration data.
Of course, this embodiment may also be implemented separately, that is, an apparatus for configuring network access of devices, the apparatus including:
the recording unit is used for recording the equipment information of the equipment which successfully accesses the network;
a detection request receiving unit, configured to receive a detection request frame sent by a device after a password of the wireless access point changes, and obtain device information and access point information from a vendor-specific information field of the detection request frame;
the identification unit is used for comparing the acquired access point information with the local access point information; when the comparison is consistent, matching the acquired equipment information with the recorded equipment information; and when the matching is successful, loading new network access configuration data into the manufacturer specific information field of the beacon frame, and then broadcasting the beacon frame loaded with the new network access configuration data.
The embodiment of the present invention is an embodiment of an apparatus of the method shown in fig. 1, and when the apparatus of the embodiment of the present invention is implemented, the embodiment of the method shown in fig. 1 is referred to. The embodiment of the invention has the following beneficial effects:
1. mature WIFI management frames are adopted as a transmission medium.
2. The vendor specific fields of the beacon frame are used to convey configuration data.
3. The vendor specific field data is encapsulated using three sections of configuration header, entry header, configuration entry.
4. And packaging each piece of configuration information in a configuration entry mode.
5. CRC checks are used for each piece of data.
6. The configuration data is transmitted in a single packet, and the packetization problem does not exist.
As shown in fig. 9, an apparatus network access configuration device in an embodiment of the present invention is used at an apparatus side, and includes:
a frame receiving module 900, configured to receive a beacon frame sent by a router when the router is in a configuration state;
a configuration data obtaining module 920, configured to obtain the network access configuration data from the vendor specific information field of the beacon frame;
a network connection module 940, configured to access a network based on the obtained network access configuration data.
In an embodiment of the present invention, the configuration data obtaining module is further configured to search a vendor specific information field of the beacon frame for a frame identifier for identifying that the beacon frame carries network access configuration data;
and when the frame identification is searched, acquiring the network access configuration data from the vendor specific information field.
Furthermore, the network access configuration data comprises configuration information of a network access password and a service set identifier, or the network access configuration data comprises configuration information of a network access password,
the network connection module 940 is configured to access a network based on the network access password and the service set identifier if the network access configuration data includes two configuration information, namely a network access password and a service set identifier;
and if the network access configuration data comprises configuration information of a network access password, acquiring the service set identifier from the SSID field of the beacon frame, and accessing the network based on the network access password and the service set identifier.
Specifically, the configuration data acquisition module comprises an identifier search module and a configuration data acquisition module;
the identifier searching module is used for searching the frame identifier in the packet header;
the configuration data acquisition module is used for acquiring corresponding configuration information from each configuration item based on the packet information in the packet header and the header information in the item header when the frame identifier is searched; the header information at least includes length information of each configuration entry, and the packet information at least includes length information of configuration data packets.
Specifically, the configuration packet header includes a private preamble, a packet information check code, and packet information; the frame identifier is specifically the private preamble; the item header comprises a header information check code and header information; each configuration item comprises a configuration item check code and corresponding configuration information;
the configuration data acquisition module comprises:
the first verification module is used for verifying the package information check code and extracting the package information after the package information check code passes the verification;
the second verification module is used for verifying the head information check code and extracting the head information after the verification of the head information check code is passed;
and the third verification module is used for respectively verifying the item check codes of the configuration items, determining the position of the configuration information according to the packet information and the header information after the item check codes are verified, and extracting the corresponding configuration information from the determined position.
In another embodiment of the present invention, the apparatus further comprises:
the request information assembly module is used for loading the local terminal equipment information and the access point information into a manufacturer specific information field of a detection request frame when the wireless access point is disconnected due to password error;
a request broadcasting module, configured to broadcast the probe request frame;
the frame receiving module is further configured to open a configuration state and receive a beacon frame carrying new network access configuration data and broadcast by the wireless access point;
the configuration data acquisition module is further configured to acquire new network access configuration data from the vendor specific information field of the beacon frame;
and the network connection module is also used for accessing the network based on the new network access configuration data.
Of course, the embodiments of the invention can also be implemented separately, that is to say:
an apparatus for configuring network access of a device in an embodiment of the present invention includes:
the request information assembling unit is used for loading the local terminal equipment information and the access point information into a manufacturer specific information field of a detection request frame when the wireless access point is disconnected due to password error;
a request broadcasting unit for broadcasting the probe request frame;
the frame receiving unit is used for opening a configuration state and receiving a beacon frame which is broadcasted by the wireless access point and carries new network access configuration data;
the configuration data acquisition unit is used for acquiring new network access configuration data from a manufacturer specific information field of the beacon frame;
and the network connection unit is used for accessing the network based on the new network access configuration data.
The embodiment of the present invention is an embodiment of an apparatus of the method shown in fig. 6, and when the apparatus of the embodiment of the present invention is implemented, reference is made to the embodiment of the method shown in fig. 6. The embodiment of the invention has the following beneficial effects:
1. the technical scheme is based on the existing mature technology, configuration data are transmitted by utilizing the self-defined field of beacon, the compatibility effect is good, and the realization cost is low.
2. In the technical scheme, only the AP end and the intelligent Internet of things equipment end are needed to participate, dependence on a third-party control program is reduced, the equipment configuration network access process is simplified, and user experience is optimized.
3. In the technical scheme, the dependence on the specific configuration multicast/broadcast frame of the AP end is removed, only the beacon frame is expanded, and the configuration information is completely contained in one beacon frame, so that the dependence on the network environment is reduced, and the configuration success rate is improved.
4. The invention adopts the way of configuring the item to encapsulate the configuration data, determines the item position according to the length of the configuration item, and can be conveniently expanded.
While this application describes specific examples of the invention, those skilled in the art will appreciate that many modifications are possible in the exemplary embodiments without departing from the inventive concepts herein.
In light of the above teachings, those skilled in the art can make various modifications to the method of the present invention without departing from the scope of the present invention.
Claims (18)
1. A device network access configuration method, for wirelessly accessing an access point, the method comprising:
receiving request information for configuring network access by equipment;
loading network access configuration data into a manufacturer specific information field of a beacon frame;
broadcasting the beacon frame; prior to the step of broadcasting the beacon frame, further comprising:
acquiring manufacturer information of equipment needing to be configured with network access, determining a frame identifier for identifying the beacon frame carrying network access configuration data according to the manufacturer information, and loading the frame identifier into a manufacturer specific information field of the beacon frame;
the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, wherein:
respectively encapsulating the configuration information in the network access configuration data in configuration information entries of corresponding types;
encapsulating length information of each configuration information entry in an entry header;
determining the sum of the lengths of each configuration information item and the item header;
encapsulating the length sum information and the frame identification in a packet header;
loading the header, the type of the configuration information entry, the entry header, and each of the configuration information entries into a vendor specific information field of the beacon frame.
2. The method of claim 1, wherein the network entry configuration data includes configuration information of a network entry password and a service set identification; or,
the network access configuration data comprises configuration information of a network access password, and the SSID field of the beacon frame carries the service set identifier.
3. The method of claim 1, wherein the type of the configuration information entry comprises a way one: a network access password type and a service set identification type; or the second mode: a network access password type.
4. The method of any of claims 1-3, wherein the step of broadcasting the beacon frame is followed by further comprising:
recording equipment information of equipment which successfully accesses the network;
after the password of the wireless access point is changed, receiving a detection request frame sent by equipment, and acquiring equipment information and access point information from a manufacturer specific information field of the detection request frame;
comparing the acquired access point information with the local end access point information;
when the comparison is consistent, matching the acquired equipment information with the recorded equipment information;
and when the matching is successful, loading new network access configuration data into the manufacturer specific information field of the beacon frame, and then broadcasting the beacon frame loaded with the new network access configuration data.
5. A device network access configuration method, for wirelessly accessing an access point, the method comprising:
recording equipment information of equipment which successfully accesses the network;
after the password of the wireless access point is changed, receiving a detection request frame sent by equipment, and acquiring equipment information and access point information from a manufacturer specific information field of the detection request frame;
comparing the acquired access point information with the local end access point information;
when the comparison is consistent, matching the acquired equipment information with the recorded equipment information;
when the matching is successful, loading new network access configuration data into a manufacturer specific information field of the beacon frame, and broadcasting the beacon frame loaded with the new network access configuration data;
the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, wherein:
respectively encapsulating the configuration information in the network access configuration data in configuration information entries of corresponding types;
encapsulating length information of each configuration information entry in an entry header;
determining the sum of the lengths of each configuration information item and the item header;
encapsulating the length sum information and the frame identification in a packet header;
loading the header, the type of the configuration information entry, the entry header, and each of the configuration information entries into a vendor specific information field of the beacon frame.
6. A device network access configuration method is used for a device side, and comprises the following steps:
when the router is in a configuration state, receiving a beacon frame sent by the router;
acquiring the network access configuration data from a manufacturer specific information field of the beacon frame;
accessing the network based on the acquired network access configuration data;
before receiving the beacon frame sent by the router, the method further comprises the following steps: sending request information for configuring network access to the router;
before the step of obtaining the network access configuration data from the vendor specific information field of the beacon frame, the method further includes:
searching a frame identifier for identifying that the beacon frame carries network access configuration data from a manufacturer specific information field of the beacon frame;
when the frame identification is searched, acquiring the network access configuration data from the vendor specific information field;
the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, where the packet header includes packet information, the entry header includes header information, and the step of acquiring corresponding configuration information from each of the configuration entries specifically includes:
extracting the packet information;
extracting the header information;
and determining the position of the configuration information according to the packet information and the header information, and extracting the corresponding configuration information from the determined position.
7. The method of claim 6, wherein said obtaining said network access configuration data from said vendor specific information field; accessing the network based on the acquired network access configuration data, comprising:
acquiring the network access configuration data from a manufacturer specific information field of the beacon frame;
if the network access configuration data comprises two kinds of configuration information, namely a network access password and a service set identifier, accessing the network based on the network access password and the service set identifier;
and if the network access configuration data comprises configuration information of a network access password, acquiring the service set identifier from the SSID field of the beacon frame, and accessing the network based on the network access password and the service set identifier.
8. The method according to any of claims 6-7, wherein the step of accessing the network based on the obtained network access configuration data is followed by further comprising:
loading the local terminal equipment information and the access point information into a manufacturer specific information field of a detection request frame when the wireless access point is disconnected due to password error;
broadcasting the probe request frame;
opening a configuration state, receiving a beacon frame which is broadcasted by a wireless access point and carries new network access configuration data, and acquiring the new network access configuration data from a manufacturer specific information field of the beacon frame;
and accessing the network based on the new network access configuration data.
9. A device network access configuration method is used for a device side, and comprises the following steps:
loading the local terminal equipment information and the access point information into a manufacturer specific information field of a detection request frame when the wireless access point is disconnected due to password error;
broadcasting the probe request frame;
opening a configuration state, receiving a beacon frame which is broadcasted by a wireless access point and carries new network access configuration data, and acquiring the new network access configuration data from a manufacturer specific information field of the beacon frame;
accessing the network based on the new network access configuration data;
the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, where the packet header includes packet information, the entry header includes header information, and the step of acquiring corresponding configuration information from each of the configuration entries specifically includes:
extracting the packet information;
extracting the header information;
and determining the position of the configuration information according to the packet information and the header information, and extracting the corresponding configuration information from the determined position.
10. The method of claim 9, wherein the device information includes a MAC address of the device; the access point information includes a MAC address of the access point.
11. An apparatus for configuring network access of a device, the apparatus comprising:
the request receiving module is used for receiving request information of network access configured by the equipment;
the data assembly module is used for loading the network access configuration data into a manufacturer specific information field of the beacon frame;
a broadcasting module for broadcasting the beacon frame; the data assembly module is further configured to acquire vendor information of a device requiring network access configuration, determine a frame identifier for identifying that the beacon frame carries network access configuration data according to the vendor information, and load the frame identifier into a vendor specific information field of the beacon frame;
the vendor specific information field includes a header, a type of the configuration information entry, the entry header, and each of the configuration information entries, and the data assembling module is further configured to:
respectively encapsulating the configuration information in the network access configuration data in configuration information entries of corresponding types;
encapsulating length information of each configuration information entry in an entry header;
determining the sum of the lengths of each configuration information item and the item header;
encapsulating the length sum information and the frame identification in a packet header;
loading the header, the type of the configuration information entry, the entry header, and each of the configuration information entries into a vendor specific information field of the beacon frame.
12. The apparatus of claim 11, wherein the network entry configuration data comprises configuration information of a network entry password and a service set identification; or,
the network access configuration data comprises configuration information of a network access password, and the SSID field of the beacon frame carries the service set identifier.
13. The apparatus of any one of claims 11-12, further comprising:
the recording module is used for recording the equipment information of the equipment which successfully accesses the network;
the device comprises a detection request receiving module, a detection request sending module and a detection request sending module, wherein the detection request receiving module is used for receiving a detection request frame sent by a device after a password of a wireless access point changes, and acquiring device information and access point information from a manufacturer specific information field of the detection request frame;
the identification module is used for comparing the acquired access point information with the local end access point information; when the comparison is consistent, matching the acquired equipment information with the recorded equipment information; and when the matching is successful, triggering the data assembly module to load new network access configuration data into the manufacturer specific information field of the beacon frame, and enabling the broadcast module to broadcast the beacon frame loaded with the new network access configuration data.
14. An apparatus for configuring network access of a device, the apparatus comprising:
the recording unit is used for recording the equipment information of the equipment which successfully accesses the network;
the device comprises a detection request receiving unit, a detection request sending unit and a detection unit, wherein the detection request receiving unit is used for receiving a detection request frame sent by a device after a password of a wireless access point is changed, and acquiring device information and access point information from a manufacturer specific information field of the detection request frame;
the identification unit is used for comparing the acquired access point information with the local access point information; when the comparison is consistent, matching the acquired equipment information with the recorded equipment information; when the matching is successful, loading new network access configuration data into a manufacturer specific information field of the beacon frame, and broadcasting the beacon frame loaded with the new network access configuration data;
the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, and the identifying unit is further configured to:
respectively encapsulating the configuration information in the network access configuration data in configuration information entries of corresponding types;
encapsulating length information of each configuration information entry in an entry header;
determining the sum of the lengths of each configuration information item and the item header;
encapsulating the length sum information and the frame identification in a packet header;
loading the header, the type of the configuration information entry, the entry header, and each of the configuration information entries into a vendor specific information field of the beacon frame.
15. An apparatus for configuring network access of a device, the apparatus comprising:
the frame receiving module is used for receiving a beacon frame sent by the router when the router is in a configuration state;
a configuration data acquisition module, configured to acquire the network access configuration data from a vendor specific information field of the beacon frame;
the network connection module, before the network access configuration data based on the acquisition receives the beacon frame sent by the router, further includes: sending request information for configuring network access to the router; the configuration data acquisition module is further configured to search a manufacturer-specific information field of the beacon frame for a frame identifier for identifying that the beacon frame carries network access configuration data;
when the frame identification is searched, acquiring the network access configuration data from the vendor specific information field;
the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, where the packet header includes packet information, the entry header includes header information, and a step of acquiring corresponding configuration information from each of the configuration entries, and the configuration data acquisition module is specifically configured to:
extracting the packet information;
extracting the header information;
and determining the position of the configuration information according to the packet information and the header information, and extracting the corresponding configuration information from the determined position.
16. The apparatus of claim 15, wherein the network entry configuration data includes configuration information of a network entry password and a service set identification, or the network entry configuration data includes configuration information of a network entry password,
the network connection module is used for accessing the network based on the network access password and the service set identifier if the network access configuration data comprises two configuration information of the network access password and the service set identifier;
and if the network access configuration data comprises configuration information of a network access password, acquiring the service set identifier from the SSID field of the beacon frame, and accessing the network based on the network access password and the service set identifier.
17. The apparatus of any one of claims 15-16, further comprising:
the request information assembly module is used for loading the local terminal equipment information and the access point information into a manufacturer specific information field of the detection request frame when the wireless access point is disconnected due to password error;
a request broadcasting module, configured to broadcast the probe request frame;
the frame receiving module is further configured to open a configuration state and receive a beacon frame carrying new network access configuration data and broadcast by the wireless access point;
the configuration data acquisition module is further configured to acquire new network access configuration data from the vendor specific information field of the beacon frame;
and the network connection module is also used for accessing the network based on the new network access configuration data.
18. An apparatus for configuring network access of a device, the apparatus comprising:
the request information assembling unit is used for loading the local equipment information and the access point information into a manufacturer specific information field of the detection request frame when the wireless access point is disconnected due to password error;
a request broadcasting unit for broadcasting the probe request frame;
the frame receiving module is used for opening a configuration state and receiving a beacon frame which is broadcasted by the wireless access point and carries new network access configuration data;
a configuration data acquisition unit, configured to acquire new network access configuration data from the vendor specific information field of the beacon frame;
a network connection unit for accessing the network based on the new network access configuration data;
the vendor specific information field includes a packet header, a type of the configuration information entry, the entry header, and each of the configuration information entries, where the packet header includes packet information, the entry header includes header information, and a step of acquiring corresponding configuration information from each of the configuration entries, and the configuration data acquisition module is specifically configured to:
extracting the packet information;
extracting the header information;
and determining the position of the configuration information according to the packet information and the header information, and extracting the corresponding configuration information from the determined position.
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| CN108391238A (en) * | 2018-02-01 | 2018-08-10 | 乐鑫信息科技（上海）有限公司 | Wireless MESH network matches network method |
| CN109275196A (en) * | 2018-09-20 | 2019-01-25 | 广东美的制冷设备有限公司 | Wireless communication control method, device and household appliance |
| CN111935681A (en) * | 2019-05-13 | 2020-11-13 | 阿里巴巴集团控股有限公司 | Intelligent equipment network configuration implementation system, method and equipment |
| CN113099440A (en) * | 2019-12-23 | 2021-07-09 | 阿里巴巴集团控股有限公司 | Network configuration method, device, equipment and system |
| CN111586691A (en) * | 2020-05-20 | 2020-08-25 | 青岛海尔科技有限公司 | Method and device for configuring wireless connection and wireless connectable equipment |
| CN113347580B (en) * | 2021-06-07 | 2023-03-31 | 美的集团股份有限公司 | Intelligent device network distribution method and device, electronic device and storage medium |
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