Openharmony-wifi连接问题案例总结

FishingLover

8人浏览 · 2026-02-12 15:45:27

FishingLover · 2026-02-12 15:45:27 发布

一.密码为空导致连接失败：

问题现象描述：

用户连接2个wifi后。界面上关闭wifi。过10s后再次打开wifi。选择连接wifiA,界面一直现在"正在连接中"，60s后，界面"界面连接中"的显示小时。回退到主界面再次进入到wifi界面，发现显示连接的wifi是wifiB.

原因分析：

1.分析测试提供的问题视频，梳理操作步骤

       1.初始状态，wifi已连接：TP-******860
       2.切换连接wifi:Ise************-5G，连接成功，界面上也显示到连接了 Ise************-5G
       3.界面上操作关闭wifi
       4.过了大概10s 再次打开wifi。并选择 TP-******860 进行连接。界面一直显示"正在连接TP-..."
           大概经过60s！界面的显示框 "正在连接TP-..." 直接消失也没有任何错误提示！
       5.回到主界面。再次进入settings的无线网络界面显示已连接的wifi是： Ise************-5G

2.日志分析

根据上面梳理出来的操作步骤，一一对应日志分析。发现在连接TP-******860时。报了"preSharedKey is empty!"的错误，导致连接失败。随后wifi框架层又走了自动连接流程选择连接的是Ise************-5G。！
   行 138458: 01-21 10:32:14.102 3442 3442 I C01560/WifiNAPIUtils: Call wifi func: ConnectToDevice (start)
   行 138468: 01-21 10:32:14.105 3387 3583 I C01560/WifiDeviceServiceImpl: CheckConfigPwd: keyMgmt = WPA-PSK!
   行 138469: 01-21 10:32:14.105 3387 3583 E C01560/WifiDeviceServiceImpl: CheckConfigPwd: preSharedKey is empty!
   行 138470: 01-21 10:32:14.105 3387 3583 E C01560/WifiDeviceServiceImpl: CheckConfigPwd failed!

   行 141583: 01-21 10:32:19.814 3387 3586 I C01560/StaAutoConnectService: AutoSelectDevice networkId: 3, ssid: Ise************-5G, bssid: 50:6a:**:**:**:73.
   行 141632: 01-21 10:32:19.849 3387 3585 I C01560/StaStateMachine: SetBssid bssid=50:6a:**:**:**:73
   行 141652: 01-21 10:32:19.853 4061 4062 I C05200/wpa_supplicant: selected BSS 50:6a:**:**:**:73 ssid='Ise************-5G'
   行 141653: 01-21 10:32:19.854 4061 4062 I C05200/wpa_supplicant: wlan0: Request association with 50:6a:**:**:**:73
   行 141714: 01-21 10:32:19.908 4061 4062 I C05200/wpa_supplicant: SME: Trying to authenticate with 50:6a:**:**:**:73 (SSID='Ise************-5G' freq=5765 MHz)
   行 141796: 01-21 10:32:19.954 4061 4062 I C05200/wpa_supplicant: wlan0: CTRL-EVENT-CONNECTED - Connection to 50:6a:**:**:**:73 completed [id=0 id_str=]

3.日志结合代码分析:

可以看到，在连接wifi的时候，进行密码的检查。发现密码为空！故而连接失败。

4.应用层分析结论

由于连接时应用层触发的动作，ssid和密码等信息都是应用侧传递的。故而需要应用层分析。应用层分析的结论是，密码传空的原因是调用接口wifiManager.getDeviceConfigs获取到的preShareKey为空字符串!

5.wifiManager.getDeviceConfigs获取的字符串为空的原因分析

1.首先梳理接口调用流程:

2.分析WifiSettings::GetDeviceConfig函数的逻辑

结论：配置信息被保存在成员变量mWifiDeviceConfig中。获取即是从该成员变量中获取！

测试反馈该问题是概率问题，且概率较低！所以尝试在WifiSettings::GetDeviceConfig所有的重载函数中加调试日志，什么时候获取为Null什么时候获取的密码不为Null。

解决方案：

二.wlan0接口异常INTERFACE_DISABLED导致连接失败：

问题现象描述：

测试连接wifi(名称为:123456)时连接失败。特意强调已界面明文检查密码没有出错！问题时间点是17:09

日志分析:

       行 12526: 02-06 17:09:22.008 5379 5379 I C01560/WifiNAPIUtils: Call wifi func: ConnectToDevice (start)
       行 12544: 02-06 17:09:22.010 3947 4498 I C01560/WifiDeviceServiceImpl: ConnectToDevice: device address <private>, addressType:0
       行 12549: 02-06 17:09:22.011 3947 4498 I C01560/WifiDeviceServiceImpl: CheckConfigPwd: keyMgmt = SAE!
       行 12550: 02-06 17:09:22.011 3947 4498 I C01560/WifiDeviceServiceImpl: CheckConfigPwd, ssid: 1***56, psk len: 8
       行 12553: 02-06 17:09:22.011 3947 4498 I C01560/WifiFrameWork: Enter Connect.
       行 12554: 02-06 17:09:22.011 3947 4498 I C01560/WifiFrameWork: Enter ConnectToDevice, ssid = 1***56 instId:0.
       行 12555: 02-06 17:09:22.011 3947 4498 I C01560/WifiFrameWork: Enter AddDeviceConfig, ssid:1***56, bssid=82:41:**:**:**:c0, keyMgmt: SAE
       行 12623: 02-06 17:09:22.027 3947 4498 I C01560/WifiFrameWork: ConnectToDevice, netWorkId: 2

       行 12658: 02-06 17:09:22.033 3947 4950 I C01560/WifiFrameWork: SetUserConnectChoice enter, networkId:2, ssid: 1***56
       行 12666: 02-06 17:09:22.034 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!
       行 12667: 02-06 17:09:22.034 2933 2933 E C01560/WifiHalWpaCommon: [<private>] command failed.
       行 12670: 02-06 17:09:22.034 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!

结论：wpa_supplicant异常了！命令无法下发到wpa_supplicant去执行！

分析wpa_supplicant异常的原因：

向前追踪日志，找到wpa_ctrl_request send fail!第一次出现的地方如下：

   行 66692: 02-06 17:06:56.682 4195 4196 I C05200/wpa_supplicant: p2p0: Event INTERFACE_DISABLED (26) received
   行 66695: 02-06 17:06:56.682 4195 4196 I C05200/wpa_supplicant: p2p0: State: DISCONNECTED -> DISCONNECTED
   行 66766: 02-06 17:06:56.722 4195 4196 I C05200/wpa_supplicant: The radio work list is empty
   行 66767: 02-06 17:06:56.723 4195 4196 I C05200/wpa_supplicant: p2p0: State: DISCONNECTED -> INTERFACE_DISABLED
   行 66779: 02-06 17:06:56.726 4195 4196 I C05200/wpa_supplicant: wlan0: Event INTERFACE_DISABLED (26) received
   行 66783: 02-06 17:06:56.726 4195 4196 I C05200/wpa_supplicant: wlan0: CTRL-EVENT-DISCONNECTED bssid=82:41:**:**:**:c0 reason=3 locally_generated=1
   行 66785: 02-06 17:06:56.726 4195 4196 I C05200/wpa_supplicant: wlan0: State: COMPLETED -> DISCONNECTED
   行 66802: 02-06 17:06:56.728 4195 4196 I C05200/wpa_supplicant: The radio work list is empty
   行 66803: 02-06 17:06:56.728 4195 4196 I C05200/wpa_supplicant: wlan0: State: DISCONNECTED -> INTERFACE_DISABLED
   行 66806: 02-06 17:06:56.729 4195 4196 I C05200/wpa_supplicant: wlan0: Event INTERFACE_STATUS (5) received
   行 66807: 02-06 17:06:56.730 4195 4196 I C05200/wpa_supplicant: wlan0: State: INTERFACE_DISABLED -> INTERFACE_DISABLED
   行 66865: 02-06 17:06:56.740 4195 4196 I C05200/wpa_supplicant: p2p0: Event INTERFACE_STATUS (5) received
   行 66866: 02-06 17:06:56.740 4195 4196 I C05200/wpa_supplicant: p2p0: State: INTERFACE_DISABLED -> INTERFACE_DISABLED
   行 66868: 02-06 17:06:56.740 4195 4196 I C05200/wpa_supplicant: p2p0: Removing interface p2p0
   行 66891: 02-06 17:06:56.746 4195 4196 W C05200/wpa_supplicant: Request to deauthenticate - bssid=00:00:**:**:**:00 pending_bssid=00:00:**:**:**:00 reason=3 (DEAUTH_LEAVING) state=INTERFACE_DISABLED valid_links=0x0 ap_mld_addr=00:00:**:**:**:00
   行 66892: 02-06 17:06:56.746 4195 4196 I C05200/wpa_supplicant: p2p0: CTRL-EVENT-DSCP-POLICY clear_all
   行 66895: 02-06 17:06:56.747 4195 4196 I C05200/wpa_supplicant: Enter eapol_sm_deinit
   行 66896: 02-06 17:06:56.747 4195 4196 I C05200/wpa_supplicant: Enter eap_peer_sm_deinit
   行 66897: 02-06 17:06:56.747 4195 4196 I C05200/wpa_supplicant: Enter tls_deinit
   行 66899: 02-06 17:06:56.747 4195 4196 I C05200/wpa_supplicant: Leave tls_deinit
   行 66902: 02-06 17:06:56.748 4195 4196 I C05200/wpa_supplicant: Enter tls_deinit
   行 66904: 02-06 17:06:56.748 4195 4196 I C05200/wpa_supplicant: Leave tls_deinit
   行 66905: 02-06 17:06:56.748 4195 4196 I C05200/wpa_supplicant: Leave eap_peer_sm_deinit
   行 66906: 02-06 17:06:56.748 4195 4196 I C05200/wpa_supplicant: Leave eapol_sm_deinit
   行 66925: 02-06 17:06:56.755 4195 4196 I C05200/wpa_supplicant: p2p0: Cancelling scan request
   行 66926: 02-06 17:06:56.756 4195 4196 I C05200/wpa_supplicant: The radio work list is empty
   行 66930: 02-06 17:06:56.756 4195 4196 I C05200/wpa_supplicant: p2p0: CTRL-EVENT-DSCP-POLICY clear_all
   行 66936: 02-06 17:06:56.756 4195 4196 W C05200/wpa_supplicant: P2P: State IDLE -> IDLE
   行 66937: 02-06 17:06:56.756 4195 4196 E C05200/wpa_supplicant: wpa_driver_set_ap_wps_p2p_ie: Entry
   行 66941: 02-06 17:06:56.756 4195 4196 I C05200/wpa_supplicant: Remove interface p2p0 from radio phy0
   行 66943: 02-06 17:06:56.757 4195 4196 I C05200/wpa_supplicant: The radio work list is empty
   行 66945: 02-06 17:06:56.757 4195 4196 I C05200/wpa_supplicant: nl80211: deinit ifname=p2p0 disabled_11b_rates=0
   行 66950: 02-06 17:06:56.757 4195 4196 E C05200/wpa_supplicant: Could not read interface p2p0 flags: No such device
   行 66958: 02-06 17:06:56.758 4195 4196 E C05200/wpa_supplicant: Could not read interface p2p0 flags: No such device
   行 80923: 02-06 17:07:06.751 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!
   行 80986: 02-06 17:07:06.756 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!
   行 80989: 02-06 17:07:06.756 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!
   行 83805: 02-06 17:07:08.761 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!
   行 83808: 02-06 17:07:08.761 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!
   行 86500: 02-06 17:07:10.764 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!
   行 86503: 02-06 17:07:10.764 2933 2933 E C05200/wpa_supplicant: wpa_ctrl_request send fail!

       分析对应时间点的内核日志：
       02-06 17:06:56.508 3,5521,801145905,-;[ZTOP][ERR]usb read work bad, urb->status:-71\x0d
       02-06 17:06:56.509 4,5522,801145935,-;[ZTOP][WARN]Continuous logs will be suppressed from output\x0d
       02-06 17:06:56.522 3,5523,801159781,-;[ZTOP][ERR]usb read work bad, urb->status:-71\x0d
       02-06 17:06:56.523 4,5524,801159886,-;[ZTOP][WARN]Continuous logs will be suppressed from output\x0d
       02-06 17:06:56.535 3,5525,801173381,-;[ZTOP][ERR]usb read work bad, urb->status:-71\x0d
       02-06 17:06:56.535 4,5526,801173465,-;[ZTOP][WARN]Continuous logs will be suppressed from output\x0d
       02-06 17:06:56.544 6,5527,801182428,-;usb 1-3: USB disconnect, device number 3

结论：wpa_supplicant突然之间就接收到了接口被禁用的消息！这种问题一般是硬件模组的问题。

解决方案：

1.更换模组硬件
2.联合模组厂一起分析模组为什么突然disconnect了！

三.密码输入错误连接失败

问题现象描述：

测试反馈连接手机热点，报密码错误！重新尝试连接正常。

日志分析：

根本原因是是4次握手失败。愿意是密码确实是错误的！

       行 16006: 01-01 08:01:25.975 4798 4798 I C01560/WifiNAPIUtils: Call wifi func: ConnectToDevice (start)
       行 16024: 01-01 08:01:25.981 4156 4156 I C01560/WifiDeviceServiceImpl: CheckConfigPwd: keyMgmt = WPA-PSK!
       行 16025: 01-01 08:01:25.981 4156 4156 I C01560/WifiDeviceServiceImpl: CheckConfigPwd, ssid: 熊*************Pro, psk len: 9
       行 16028: 01-01 08:01:25.981 4156 4156 I C01560/WifiFrameWork: Enter Connect.
       行 16029: 01-01 08:01:25.981 4156 4156 I C01560/WifiFrameWork: Enter ConnectToDevice, ssid = 熊*************Pro instId:0.
       行 16030: 01-01 08:01:25.981 4156 4156 I C01560/WifiFrameWork: Enter AddDeviceConfig, ssid:熊*************Pro, bssid=9c:51:**:**:**:37, keyMgmt: WPA-PSK

       行 16154: 01-01 08:01:26.023 3002 3002 I C01560/WifiHalStaInterface: Connect() networkid 0
       行 19776: 01-01 08:01:29.085 4398 4399 I C05200/wpa_supplicant: selected BSS 9c:51:**:**:**:37 ssid='\xe****************************************Pro'

       行 19825: 01-01 08:01:29.139 4398 4399 I C05200/wpa_supplicant: SME: Trying to authenticate with 9c:51:**:**:**:37 (SSID='\xe****************************************Pro' freq=2437 MHz)
       行 19826: 01-01 08:01:29.139 4398 4399 I C05200/wpa_supplicant: wlan0: State: SCANNING -> AUTHENTICATING
       行 19906: 01-01 08:01:29.162 4398 4399 I C05200/wpa_supplicant: wlan0: Event AUTH (10) received
       行 19911: 01-01 08:01:29.163 4398 4399 I C05200/wpa_supplicant: Trying to associate with 9c:51:**:**:**:37 (SSID='\xe****************************************Pro' freq=2437 MHz)
       行 19912: 01-01 08:01:29.163 4398 4399 I C05200/wpa_supplicant: wlan0: State: AUTHENTICATING -> ASSOCIATING
       行 19950: 01-01 08:01:29.189 4398 4399 I C05200/wpa_supplicant: wlan0: Event ASSOC (0) received
       行 19960: 01-01 08:01:29.190 4398 4399 I C05200/wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
       行 19966: 01-01 08:01:29.191 4398 4399 I C05200/wpa_supplicant: wlan0: Associated with 9c:51:**:**:**:37
       行 20003: 01-01 08:01:29.214 4398 4399 I C05200/wpa_supplicant: wlan0: Event EAPOL_RX (23) received
       行 20005: 01-01 08:01:29.215 4398 4399 W C05200/wpa_supplicant: wlan0: RX EAPOL from 9c:51:**:**:**:37 (encrypted=0)
       行 20011: 01-01 08:01:29.216 4398 4399 I C05200/wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE

       行 20429: 01-01 08:01:30.274 4398 4399 I C05200/wpa_supplicant: wlan0: Event EAPOL_RX (23) received
       行 20430: 01-01 08:01:30.274 4398 4399 W C05200/wpa_supplicant: wlan0: RX EAPOL from 9c:51:**:**:**:37 (encrypted=0)
       行 20431: 01-01 08:01:30.275 4398 4399 I C05200/wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE -> 4WAY_HANDSHAKE

       行 20793: 01-01 08:01:31.310 4398 4399 I C05200/wpa_supplicant: wlan0: Event EAPOL_RX (23) received
       行 20794: 01-01 08:01:31.310 4398 4399 W C05200/wpa_supplicant: wlan0: RX EAPOL from 9c:51:**:**:**:37 (encrypted=0)
       行 20795: 01-01 08:01:31.311 4398 4399 I C05200/wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE -> 4WAY_HANDSHAKE

       行 21118: 01-01 08:01:32.339 4398 4399 I C05200/wpa_supplicant: wlan0: Event EAPOL_RX (23) received
       行 21119: 01-01 08:01:32.339 4398 4399 W C05200/wpa_supplicant: wlan0: RX EAPOL from 9c:51:**:**:**:37 (encrypted=0)
       行 21120: 01-01 08:01:32.340 4398 4399 I C05200/wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE -> 4WAY_HANDSHAKE

       行 21440: 01-01 08:01:33.374 4398 4399 I C05200/wpa_supplicant: wlan0: Event DISASSOC (1) received
       行 21443: 01-01 08:01:33.374 4398 4399 I C05200/wpa_supplicant: wlan0: Disassociation notification
       行 21444: 01-01 08:01:33.374 4398 4399 I C05200/wpa_supplicant: wlan0: * reason 15 (4WAY_HANDSHAKE_TIMEOUT)
       行 21446: 01-01 08:01:33.375 4398 4399 I C05200/wpa_supplicant: Disassociation frame IE(s) - hexdump(len=0): [NULL]
       行 21447: 01-01 08:01:33.375 4398 4399 I C05200/wpa_supplicant: wlan0: CTRL-EVENT-DISCONNECTED bssid=9c:51:**:**:**:37 reason=15
       行 21448: 01-01 08:01:33.375 4398 4399 I C05200/wpa_supplicant: wlan0: WPA: 4-Way Handshake failed - pre-shared key may be incorrect

       行 21453: 01-01 08:01:33.375 4398 4399 I C05200/wpa_supplicant: CTRL-EVENT-SSID-TEMP-DISABLED id=0 ssid="" auth_failures=1 duration=10 reason=WRONG_KEY
       行 21458: 01-01 08:01:33.376 4398 4399 I C05200/wpa_supplicant: wlan0: Ignore connection failure indication since interface has been put into disconnected state
       行 21466: 01-01 08:01:33.376 4398 4399 I C05200/wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE -> DISCONNECTED

解决方案：

重新连接，输入正确的密码

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