CN103945369A - Internet access configuration method for WIFI device by checking length of WIFI data packets - Google Patents

Internet access configuration method for WIFI device by checking length of WIFI data packets Download PDF

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CN103945369A
CN103945369A CN 201310018532 CN201310018532A CN103945369A CN 103945369 A CN103945369 A CN 103945369A CN 201310018532 CN201310018532 CN 201310018532 CN 201310018532 A CN201310018532 A CN 201310018532A CN 103945369 A CN103945369 A CN 103945369A
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length
data
ssid
wifi
data frame
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CN 201310018532
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Chinese (zh)
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CN103945369B (en )
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李志为
刘宗孺
姚博
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杭州古北电子科技有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W12/00Security arrangements, e.g. access security or fraud detection; Authentication, e.g. verifying user identity or authorisation; Protecting privacy or anonymity
    • H04W12/04Key management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W12/00Security arrangements, e.g. access security or fraud detection; Authentication, e.g. verifying user identity or authorisation; Protecting privacy or anonymity
    • H04W12/02Protecting privacy or anonymity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Abstract

The invention discloses an Internet access configuration method for a WIFI device by checking the length of WIFI data packets. The method comprises the step that data information frames used for Internet access configuration are generated, wherein each data information frame comprises a preset fixed character string MAGIC-CODE, the data frame length, an SSID length, an SSID, an encryption type and a password; the data frames can be encrypted through an encryption algorithm negotiated by a configuring party and a configured party, and then the encrypted data frames are sent. In the sending process, the length of the data frames corresponds to the number of sent UDPs, and the length corresponding to each UDP is the numerical value of the corresponding data frame.

Description

—种通过检查WIFI数据包的长度实现WIFI设备的上网配置方法 - configuration of implementations WIFI access device through the packet length check WIFI

技术领域 FIELD

[0001] 本发明涉及一种WIFI设备的上网配置方法。 [0001] The present invention relates to a device WIFI access configuration.

背景技术 Background technique

[0002] 传统的WIFI设备与AP连接时,需要首先拿到所要连接的AP的SSID、认证类型、密码。 [0002] When the conventional apparatus WIFI connection with the AP, the AP need first to get to be connected as SSID, authentication type, and password.

[0003] 目前的配置方法包括: [0003] Currently, a configuration method comprising:

[0004] 1、通过外部通信接口发送所需连接AP的SSID,认证类型和密码。 [0004] 1, the required connection to the AP through the external communication interface to transmit the SSID, password, and authentication type.

[0005] 这种方法需要设备,额外引出通信接口,给设备的外观设计,用户操作带来很大的困难。 [0005] This method requires the apparatus, an additional communication interface leads, to the design of the device, the user operates great difficulties.

[0006] 2、WIFI设备首先将自己配置成AP模式或者AD-HOC模式,让其他的WIFI设备(android iOS手机,笔记本电脑等),登录,然后通过TCP/IP协议将所需的配置信息发送过去进行配置 [0006] 2, WIFI device first configures itself to AP mode or AD-HOC mode, so that other WIFI devices (android iOS mobile phones, laptops, etc.), login, and then sent via TCP / IP protocol required configuration information Over the past configure

[0007] 这种方法会导致其他的WIFI设备会断开原有的WIFI网络,导致网络中断;同时有些操作系统如iOS,限制软件的开发,禁用了WIFI连接的API接口,从而导致没法直接软件实现,需要用户手动连接。 [0007] This approach can lead to other WIFI device disconnects the existing WIFI network, the network breaks; while some operating systems such as iOS, restricted development software, disabled the API interface WIFI connection, resulting in not directly software, requiring users to manually connect.

发明内容 SUMMARY

[0008] 本发明所要解决的技术问题是提供一种通过检查WIFI数据包的长度实现WIFI设备的上网配置方法。 [0008] The present invention solves the technical problem is to provide a method for configuring access WIFI apparatus implemented by the packet length check WIFI.

[0009] 本发明的积极效果是:技术效果: [0009] The positive effect of the present invention are: technical effects:

[0010] 1、被配置的WIFI设备,在无需添加AD-HOC或者AP功能的前提下,即可完成其上网配置,减少了设备资源的使用 [0010] 1, WIFI device is arranged, without the need to add AP function or AD-HOC premise configured to complete its access, reducing the use of device resources

[0011] 2、无需外接其他的通信接口,直接通过WIFI无线配置 [0011] 2, no other external communication interface, the radio configuration directly through WIFI

[0012] 3、很好的兼容性,对于各种只需要能支持WIFI通信的设备,只要集成了UDP通信协议,即可实现对被配置的WIFI设备的配置, [0012] 3, good compatibility, for a variety of equipment need only be able to support WIFI communication, as long as the communication protocol UDP integrated, WIFI can achieve the configuration of the device is configured to,

[0013] 4、解决如iOS等对WIFI API接口进行限制的操作系统,实现WIFI设备的配置问题 [0013] 4, to solve the API interface to the operating system WIFI iOS as limiting the like, to achieve the device configuration issues WIFI

[0014] 5、这种配置方法不会受限于原有网络的加密协议(WEP,WPA,WPA2),因为这种方法是利用数据包的长度来传递信息,不管何种加密方法,数据包内容被加密,而数据包长度不变。 [0014] 5, this configuration is not limited to the original network encryption protocols (WEP, WPA, WPA2), because this method is to transmit information using the length of the packet, regardless of the encryption method, the data packet content is encrypted, and the constant packet length.

附图说明 BRIEF DESCRIPTION

[0015] 为了更清楚地说明本发明的技术方案,下面将对本发明描述中所需要使用的附图作简单地介绍。 [0015] In order to more clearly illustrate the technical solutions of the present invention, the present invention will now be described accompanying drawings as required simply introduced. [0016] 图1是本发明的一个实施例提供的数据帧的组成方式示意图。 [0016] FIG. 1 is a schematic diagram illustrating how the data frame according to a embodiment of the present invention.

具体实施方式 detailed description

[0017] 下面结合附图和具体实施方式对本发明作进一步详细的说明。 [0017] The present invention will be further described in detail in conjunction with accompanying drawings and specific embodiments.

[0018] 本发明的一种通过检查WIFI数据包的长度实现WIFI设备的上网配置方法包括如下步骤: [0018] A device of the present invention is achieved by the length check WIFI WIFI access configuration data packet comprising the steps of:

[0019] WIFI配置设备生成用于上网配置的数据信息帧,所述数据信息帧包括预定的固定字符串MAGIC-CODE、数据帧长度、SSID长度、SSID、加密类型和密码;可选的,所述数据信息帧还包括校验字。 [0019] WIFI device configured to generate a data access configuration information frame, the data frame includes a predetermined fixed string MAGIC-CODE, the data frame length, the length of the SSID, SSID, password, and encryption type; Optionally, the said data frame further comprises a check word. 可选的,所述固定字符串、数据帧长度、SSID长度、SSID、加密类型、密码和校验字的顺序、以及所述固定字符串、数据帧长度、SSID长度、SSID、加密类型、密码或校验字的所占字节数与所表示的值之间的对应关系是预设的或外部配置的。 Alternatively, the order of the fixed character string, the data frame length, the length of the SSID, SSID, encryption type, and password check word, and the fixed character string, the data frame length, the length of the SSID, SSID, encryption type, and password or the number of bytes occupied by the checksum correspondence between the value represented by the preset or external configuration.

[0020] 数据帧通过AES加密算法进行加密。 [0020] The data frame encrypted by AES encryption algorithm.

[0021] 发送数据帧长度的UDP数据包数量。 [0021] The number of packets in the transmission data frame length UDP. 如数据帧长度为60,发送60个UDP,每个UDP数据包的长度为对应数据帧里面的字节的数值,UDP数据包的内容实际上是无效内容。 The data frame length is 60, 60 UDP transmission, the length of each UDP packet corresponding to the data frame for which the value of bytes, a UDP packet contents are invalid substantially.

[0022] 被配置WIFI设备根据WIFI设备的MAC地址,分别建立不同WIFI设备的数据发送长度的链表; [0022] The apparatus is configured WIFI WIFI device MAC address, respectively, to establish a different chain length WIFI data transmission device;

[0023] 被配置WIFI设备检查是否能够匹配固定字符串MAGIC-CODE ; [0023] configured to check whether or WIFI device can be matched to a fixed string MAGIC-CODE;

[0024] 如果匹配固定字符串,被配置WIFI设备则获取数据帧; [0024] If a match is fixed string, the device is configured to acquire WIFI data frame;

[0025] 被配置WIFI设备检查校验总和checksum是否正确,如果正确,则根据所述数据帧获取SSID,加密类型和密码。 [0025] The checksum is the sum of WIFI device configured checksum is correct, if correct, the frame acquired SSID, encryption and password based on the data type.

[0026] 被配置WIFI设备使用所述获取的SSID,加密类型和密码连接对应的WIFIAP网络,并发送确认广播数据,确认配置完成。 [0026] WIFI device configured to be connected using the acquired SSID, encryption type, and password corresponding WIFIAP network, broadcast data and sends an acknowledgment to confirm the configuration.

[0027] 下面对上述实施例的实现方式具体进行举例说明: [0027] Next, the implementation of the above embodiments specifically be exemplified:

[0028] WIFI设备的上网需要首先得到其连接AP的SSID (最大32个字节),加密类型(NONE, WEP,WPA,WPA2),密码。 [0028] WIFI access device need to be obtained SSID (up to 32 bytes) which is connected to the AP, encryption type (NONE, WEP, WPA, WPA2), password.

[0029] 对于还没有连接到AP的设备而言,虽然可以监听到WIFI通道的数据包,但是由于绝大多数的AP网络都通过加密,因此没法得到其传输的实际数据内容,智能监听到传输的数据的长度。 [0029] For purposes of the device is not connected to the AP, although can monitor packets WIFI channels, but since the majority of the network through the AP encryption, so it can not obtain the actual data content transmitted, listen to intelligence length of the data transmission.

[0030] 本发明设计,就是在已经其配置WIFI设备上面开发的应用程序,通过WIFI网络发送UDP无用数据串,不同数据串的长度对应我们编码内容,被配置设备监听到同一个WIFI设备(MAC地址区分)发送具有配置特征的数据串之后,获取其配置信息,实现被配置。 [0030] The design of the present invention, is already configured WIFI device development above application, send UDP useless data string through WIFI network, strings of different lengths of data corresponding to our encoded content, is configured device listens to the same WIFI device (MAC distinguishing address) arranged after the send data stream feature, obtain its configuration information, the configuration is achieved.

[0031] 本发明包括下面几个部分:配置设备上面的SSID、加密类型和密码的编码以及发送;被配置设备的监听与信息解析。 [0031] The present invention includes the following sections: encoder configured SSID, encryption type and password and transmitting apparatus above; listening device configured parsed information.

[0032] 一、SSID,加密类型以及密码的数据帧组成 [0032] a, SSID, password, and data encryption type frames

[0033] 首先我们根据需要配置上网的AP的SSID,加密类型,密码,生成所需传输的数据信息帧,数据帧的组成见图1所示。 [0033] First, we need data frame transmission according to the Internet to configure the AP SSID, encryption type, and password, generating composition data frame shown in Figure 1.

[0034] 前面的MAGIC-C0DE,为配置的WIFI设备和被配置WIFI设备约定的固定字符串如(BLK),也用来标识数据帧的起始码,占用3个字节。 [0034] The foregoing MAGIC-C0DE, WIFI device is configured and arranged to be agreed WIFI devices such as a fixed string (BLK), the start code is also used to identify the data frame, occupies 3 bytes.

[0035] 数据的长度,I个字节。 Length [0035] of data, I bytes. [0036] 校验字,检查数据帧是否正确,2个字节。 [0036] Checksum, check whether the correct data frame, two bytes. 通过将所有的数据帧内的数值相加获取。 Obtained by adding the values ​​of all of the data frame.

[0037] SSID长度,I个字节 [0037] SSID length, I bytes

[0038] SSID,为需要配置上的AP的SSID字符串 [0038] SSID, the AP needs to be configured on an SSID string

[0039] 加密类型:Onone (不加密),IWEP加密,2WPA加密,3WPA2加密,占用I个字节。 [0039] Encryption Type: Onone (not encrypted), IWEP encryption, 2WPA encryption, 3WPA2 encryption, I occupy bytes.

[0040] 密码:数据帧剩余的部分为密码字符串。 [0040] Password: frame data remaining part password string.

[0041] 二、数据帧的发送 [0041] Second, the data frame transmission

[0042] 数据的发送,通过发送一串UDP的数据包的方法首先。 [0042] The data transmitted by first transmitting a packet string method of UDP.

[0043] 将数据帧里面的每一个字节,对应的数值,发送UDP数据包的长度。 [0043] The length of the data frame in which each byte corresponds to the value, transmitting UDP packets. 如数据帧中的字符“I”对应的数值为31,则发送31个字节的UDP数据包。 The data frame corresponding to the character value "I" is 31, 31 bytes of UDP packets is transmitted.

[0044] 例如:某个数据帧长度为30,则循环发送30个UDP的数据包,每个UDP的数据包长度对应其对应位置的数值。 [0044] For example: a data frame length is 30, the loop 30 transmits the UDP packet, the UDP packet length corresponding to each value corresponding to its position.

[0045] 三、被配置的WIFI设备 [0045] Third, the device is configured WIFI

[0046] 被配置的WIFI设备,循环扫描各个WIFI的通道,侦听可能的配置数据包。 [0046] WIFI device is arranged, each scan cycle WIFI channels, listening possible configuration packet.

[0047] 侦听的流程: [0047] listening process:

[0048] 根据WIFI设备的MAC地址,分别建立不同设备的数据发送长度的链表 [0048] The MAC address WIFI device, respectively sent to establish the length of the linked list data of different devices

[0049] 检查是否能够匹配MAGIC-CODE If the [0049] inspection can be matched MAGIC-CODE

[0050] 获取数据帧 [0050] Gets the data frame

[0051] 检查checksum是否正确 [0051] to check whether the correct checksum

[0052] 由于在发送过程中,可能插入其他的数据包,因此可能数据帧不正常,需要循环监听 [0052] Since the transmission process, possible to insert additional data packets, data frames may therefore not normally need to loop listens

[0053] 四、被配置设备连接WIFI网络 [0053] Fourth, the WIFI network configuration device is connected

[0054] 当被配置的WIFI设备获取正确的SSID,加密类型和密码之后,连接对应的WIFIAP网络,同时发送确认广播数据,确认配置完成。 [0054] When the apparatus is configured to obtain the correct WIFI SSID, encryption type, and password, WIFIAP connected to the corresponding network, and the broadcast data transmission confirmation, configuration confirmation.

[0055] 技术效果: [0055] The technical effects:

[0056] 通过上述发明的方法,解决下面的问题 [0056] By the above-described method of the invention, to solve the following problems

[0057] 1、被配置的WIFI设备,在无需添加AD-HOC或者AP功能的前提下,即可完成其上网配置,减少了设备资源的使用 [0057] 1, WIFI device is arranged, without the need to add AP function or AD-HOC premise configured to complete its access, reducing the use of device resources

[0058] 2、无需外接其他的通信接口,直接通过WIFI无线配置 [0058] 2, no other external communication interface, the radio configuration directly through WIFI

[0059] 3、很好的兼容性,对于各种只需要能支持WIFI通信的设备,只要集成了UDP通信协议,即可实现对被配置的WIFI设备的配置, [0059] 3, good compatibility, for a variety of equipment need only be able to support WIFI communication, as long as the communication protocol UDP integrated, WIFI can achieve the configuration of the device is configured to,

[0060] 4、解决如iOS等对WIFI API接口进行限制的操作系统,实现WIFI设备的配置问题 [0060] 4, to solve the API interface to the operating system WIFI iOS as limiting the like, to achieve the device configuration issues WIFI

[0061] 为了举例说明本发明的实现,描述了上述的具体实施方式。 [0061] In order to illustrate the implementation of the invention, the above-described specific embodiments. 但是本发明的其他变化和修改,对于本领域技术人员是显而易见的,在本发明所公开的实质和基本原则范围内的任何修改/变化或者仿效变换都属于本发明的权利要求保护范围。 However, other variations and modifications of the invention, the skilled person will be apparent that any modifications / variations to emulate or converting claimed invention fall within the scope of the spirit and the basic principles of the present invention is disclosed in the scope of the claims.

Claims (6)

  1. 1.一种WIFI设备的上网配置方法,其特征在于, 生成用于上网配置的数据信息帧,所述数据信息帧包括预定的固定字符串MAGIC-CODE、数据帧长度、SSID长度、SSID、加密类型和密码; 数据帧通过配置和被配置双方协商的加密算法,进行加密,然后将加密之后的数据帧进行发送,发送过程中,数据帧的长度对应发送的数据包的个数,每个UDP数据包对应的长度为其数据帧的数值。 1. A method for configuring access WIFI device, wherein generating a data information frame configured for Internet access, the data frame includes a predetermined fixed string MAGIC-CODE, the data frame length, the length of the SSID, SSID, encryption type and password; data frames are configured by the configuration and the negotiated encryption algorithm, encrypted, then the data frame is transmitted after being encrypted, the transmission process, the data frame length corresponding to the number of data packets sent per UDP packet length corresponding values ​​for the data frame.
  2. 2.根据权利要求1所述的上网配置方法,其特征在于,所述数据信息帧还包括校验字。 The online configuration method according to claim 1, wherein said data frame further comprises a check word.
  3. 3.根据权利要求2所述的上网配置方法,其特征在于,所述固定字符串、数据帧长度、SSID长度、SSID、加密类型、密码和校验字的顺序、以及所述固定字符串、数据帧长度、SSID长度、SSID、加密类型、密码或校验字的所占字节数与所表示的值之间的对应关系是预设的或外部配置的。 The online configuration method according to claim 2, wherein said sequence of fixed character string, the data frame length, the length of the SSID, SSID, encryption type, and password check word, and the fixed character string, the number of bytes occupied by data frame length, the length of the SSID, SSID, encryption type, or the password check word correspondence between the value represented by the preset or external configuration.
  4. 4.一种WIFI设备的上网配置方法,其特征在于, 根据WIFI设备的MAC地址,分别建立不同WIFI设备的数据发送长度的链表; 检查是否能够匹配固定字符串MAGIC-CODE ; 如果匹配固定字符串,则获取数据帧; 检查校验总和checksum是否正确,如果正确,则根据所述数据帧获取SSID,加密类型和密码。 4. A method for configuring WIFI access device, characterized in that the device MAC address WIFI, linked list data transmission are established different length WIFI device; check whether they can match a fixed string MAGIC-CODE; If the matching string is fixed , obtaining the data frame; check sum check checksum is correct, if correct, the frame acquired SSID, encryption and password based on the data type.
  5. 5.根据权利要求4所述的上网配置方法,其特征在于,所述方法还包括: 使用所述获取的SSID,加密类型和密码连接对应的WIFI AP网络,并发送确认广播数据,确认配置完成。 The online configuration method according to claim 4, characterized in that, said method further comprising: using the acquired SSID, encryption type, and password corresponding to the connection WIFI AP network, the broadcast data and sends an acknowledgment to confirm the configuration .
  6. 6.根据权利要求4所述的上网配置方法,其特征在于,所述数据信息帧包括预定的固定字符串MAGIC-CODE、数据帧长度、SSID长度、SSID、加密类型和密码。 The online configuration method according to claim 4, wherein the information frame includes predetermined data string fixed MAGIC-CODE, the data frame length, the length of the SSID, SSID, password, and encryption type.
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