技术标签： Wifi
WIFI事件类型
pre-shared key may be incorrect 认证密码错误
EVENT_ASSOC_TIMED_OUT 连接超时
EVENT_AUTH_TIMED_OUT 认证超时
EVENT_SCAN_RESULTS 扫描完成，返回扫描结果
EVENT_AUTH 认证完成事件
EVENT_DEAUTH 认证解除
EVENT-STATE-CHANGE 状态机变化事件
enum wpa_event_type
{
EVENT_ASSOC,
EVENT_DISASSOC,
EVENT_MICHAEL_MIC_FAILURE,
EVENT_SCAN_RESULTS,//【扫描结果】
EVENT_ASSOCINFO,//【连接信息】
EVENT_INTERFACE_STATUS, //【网卡状态】
EVENT_PMKID_CANDIDATE,
EVENT_STKSTART,
EVENT_TDLS,
EVENT_FT_RESPONSE,
EVENT_IBSS_RSN_START,
EVENT_AUTH, //【认证成功】
EVENT_DEAUTH, //【认证解除】
EVENT_ASSOC_REJECT, //【拒绝连接】
EVENT_AUTH_TIMED_OUT, //【认证超时】
EVENT_ASSOC_TIMED_OUT,//【连接超时】
EVENT_WPS_BUTTON_PUSHED,
EVENT_TX_STATUS,
EVENT_RX_FROM_UNKNOWN,
EVENT_RX_MGMT,
EVENT_REMAIN_ON_CHANNEL,
EVENT_CANCEL_REMAIN_ON_CHANNEL,
EVENT_RX_PROBE_REQ,
EVENT_NEW_STA,
EVENT_EAPOL_RX,
EVENT_SIGNAL_CHANGE,//【信号变化】
EVENT_INTERFACE_ENABLED,
EVENT_INTERFACE_DISABLED, //【网卡接口不可用】
EVENT_CHANNEL_LIST_CHANGED,
EVENT_INTERFACE_UNAVAILABLE,
EVENT_BEST_CHANNEL,
EVENT_UNPROT_DEAUTH,
EVENT_UNPROT_DISASSOC,
EVENT_STATION_LOW_ACK,
EVENT_IBSS_PEER_LOST,
EVENT_DRIVER_GTK_REKEY,
EVENT_SCHED_SCAN_STOPPED,
EVENT_DRIVER_CLIENT_POLL_OK,
EVENT_EAPOL_TX_STATUS,
EVENT_CH_SWITCH,
EVENT_WNM,
EVENT_CONNECT_FAILED_REASON,
EVENT_DFS_RADAR_DETECTED,
EVENT_DFS_CAC_FINISHED,
EVENT_DFS_CAC_ABORTED,
EVENT_DFS_NOP_FINISHED,
EVENT_SURVEY,
EVENT_SCAN_STARTED, //【开始扫描】
EVENT_AVOID_FREQUENCIES,
EVENT_NEW_PEER_CANDIDATE,
EVENT_ACS_CHANNEL_SELECTED,
EVENT_DFS_CAC_STARTED,
}<p><span style="font-family: Arial, Helvetica, sans-serif;">wpa_supplicant 状态机的切换</span></p>adb logcat | findstr "wpa_supplicant:.wlan0:.State:"
1.一次打开WIFI自动连接的过程
09-29 20:53:59.796 4882 4882 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 20:54:00.155 4882 4882 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 20:54:00.891 4882 4882 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 20:54:02.369 4882 4882 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 20:54:02.415 4882 4882 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 20:54:02.469 4882 4882 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 20:54:02.502 4882 4882 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 20:54:02.522 4882 4882 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->GROUP_HANDSHAKE
09-29 20:54:02.529 4882 4882 D wpa_supplicant: wlan0: State: GROUP_HANDSHAKE -> COMPLETED
2.手动关闭WIFI的过程
09-29 20:56:08.605 5306 5306 D wpa_supplicant: wlan0: State: COMPLETED -> DISCONNECTED
09-29 20:56:08.606 5306 5306 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
3.打开WIFI 自动连接 手动关闭WIFI全过程
09-29 20:57:25.864 5835 5835 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 20:57:26.556 5835 5835 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 20:57:27.962 5835 5835 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 20:57:28.020 5835 5835 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 20:57:28.060 5835 5835 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 20:57:28.070 5835 5835 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE -> 4WAY_HANDSHAKE
09-29 20:57:28.074 5835 5835 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE -> GROUP_HANDSHAKE
09-29 20:57:28.078 5835 5835 D wpa_supplicant: wlan0: State: GROUP_HANDSHAKE -> COMPLETED
09-29 20:57:36.513 5835 5835 D wpa_supplicant: wlan0: State: COMPLETED -> DISCONNECTED
09-29 20:57:36.513 5835 5835 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
4.打开WIFI 自动连接到一个开放的WIFI 需要认证才能登陆
09-29 21:00:52.246 7207 7207 D wpa_supplicant: wlan0: State: DISCONNECTED -> INACTIVE
09-29 21:00:52.328 7207 7207 D wpa_supplicant: wlan0: State: INACTIVE -> DISCONNECTED
09-29 21:00:52.605 7207 7207 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:00:53.088 7207 7207 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 21:00:57.258 7207 7207 D wpa_supplicant: wlan0: State: SCANNING -> DISCONNECTED
09-29 21:00:58.702 7207 7207 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 21:01:01.069 7207 7207 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 21:01:01.125 7207 7207 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 21:01:01.127 7207 7207 D wpa_supplicant: wlan0: State: ASSOCIATED -> COMPLETED
5.打开WIFI 未连接任何网络的情况 一直点击Scan也未切换状态
09-29 21:03:53.376 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:03:53.644 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:03:53.999 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 21:03:58.134 8183 8183 D wpa_supplicant: wlan0: State: SCANNING -> DISCONNECTED
09-29 21:03:59.755 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
6.WIFI已经打开手动输入AP热点密码连接的过程
09-29 21:06:46.472 8183 8183 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 21:06:46.534 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 21:06:46.545 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 21:06:46.557 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:06:46.559 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->GROUP_HANDSHAKE
09-29 21:06:46.561 8183 8183 D wpa_supplicant: wlan0: State: GROUP_HANDSHAKE -> COMPLETED
7.WIFI已经打开手动输入AP热点【错误】密码连接的过程
09-29 21:09:09.160 8183 8183 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 21:09:09.231 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 21:09:09.270 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 21:09:12.599 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE 【第一次密码握手错误】
09-29 21:09:14.806 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:09:17.256 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
==================================连接正确的LOG↓==================================
09-29 21:06:46.557 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:06:46.559 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->GROUP_HANDSHAKE
得出结论: 当密码错误的时候 wpa_supplicant 状态机 会连续retry三次执行 4WAY_HANDSHAKE ->4WAY_HANDSHAKE 过程
==================================连接正确的LOG↑==================================
【三次4WAY_HANDSHAKE都失败后 状态机会从 4WAY_HANDSHAKE 状态 切换为 DISCONNECTED 状态】
09-29 21:09:19.291 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->DISCONNECTED
09-29 21:09:19.302 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:09:19.894 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 21:09:22.328 8183 8183 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 21:09:22.393 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 21:09:22.440 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 21:09:25.256 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE【第二次密码握手错误】
09-29 21:09:26.255 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:09:29.247 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:09:32.444 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->DISCONNECTED
09-29 21:09:32.469 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:09:32.872 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 21:09:35.325 8183 8183 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 21:09:35.396 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 21:09:35.451 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 21:09:36.443 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE【第三次密码握手错误】
09-29 21:09:39.627 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:09:41.835 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:09:45.474 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->DISCONNECTED
09-29 21:09:45.481 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:09:45.919 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 21:09:48.515 8183 8183 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 21:09:48.587 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 21:09:48.611 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 21:09:52.427 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE【第四次密码握手错误】
09-29 21:09:54.739 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:09:55.655 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE
09-29 21:09:58.623 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->DISCONNECTED
09-29 21:09:58.628 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:09:59.633 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> DISCONNECTED
09-29 21:10:01.385 8183 8183 D wpa_supplicant: wlan0: State: DISCONNECTED -> SCANNING
09-29 21:10:03.809 8183 8183 D wpa_supplicant: wlan0: State: SCANNING -> ASSOCIATING
09-29 21:10:03.873 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATING -> ASSOCIATED
09-29 21:10:03.917 8183 8183 D wpa_supplicant: wlan0: State: ASSOCIATED -> 4WAY_HANDSHAKE
09-29 21:10:06.747 8183 8183 D wpa_supplicant: wlan0: State: 4WAY_HANDSHAKE ->4WAY_HANDSHAKE【第五次密码握手错误】
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