Brillo: 让RPi 2B(树莓派)摆脱网线的束缚－通过wifi进行连接

hzak

8年 ago

首先要有一块USB无线网卡，还需要带这个wifi驱动的kernel。我这里使用的是EDUP-EPN8508GS的usb无线网卡。

开机之后如果执行adb shell iw dev wlan0 info可以看到无线网卡的信息，那就证明无线网卡的驱动基本没有什么问题。

$ iw dev wlan0 info

接着就去获取ower的access token：

$ curl -H "Authorization: Privet anonymous" -H 'Content-Type: application/json'     -X POST     --data '{ "pairing": "embeddedCode", "crypto": "p224_spake2" }'     -k https://10.0.0.13/privet/v3/pairing/start
{
   "deviceCommitment": "zAUrIS6vV81dvveMw7OR8K5PQlh1dNq7E4+G5zcPY341yDa2RsKQjdwWQ/IfBZDl6YJpHxvnsh8=",
   "sessionId": "44ACD5D0-75DC-4A5A-9865-AFE75C0DA8AB"
}
$ curl -H "Authorization: Privet anonymous" -H 'Content-Type: application/json'     -X POST     --data '{ "sessionId": "44ACD5D0-75DC-4A5A-9865-AFE75C0DA8AB", "clientCommitment": "Q9CRZs3H9dFQXKfy/HPw5U/D5w3uOw7zJKVeAL+s8zu+p1X9Kiuj76ZY+Z4UHV1S3ao5becnJag=" }'     -k https://10.0.0.13/privet/v3/pairing/confirm
{
   "certFingerprint": "USQs/v/5C3YcOhJtVF3kZ8V7l6vqNJtf84PefK4n7tw=",
   "certSignature": "o81YepNQOyKLJeDOtuCQWsd5zb21JgxrmGoi5t5cuzw="
}
$ curl -H "Authorization: Privet anonymous" -H 'Content-Type: application/json'     -X POST     --data '{ "mode": "pairing", "authCode": "owjUHtj5OhFz0uOf8Qkp8guWfEKVZVS2l80skFaodS4=", "requestedScope": "owner" }' -k https://10.0.0.13/privet/v3/auth
{
   "accessToken": "ZA6Di/9nnIJKM5SxBjOrZo+RHXOKR05nb/oqynAvswozOjE6MTQ1MTIwMjIwMg==",
   "expiresIn": 3600,
   "scope": "owner",
   "tokenType": "Privet"
}

有了owner的access token, 就可以去setup wifi了：

$ curl -H "Authorization: Privet ZA6Di/9nnIJKM5SxBjOrZo+RHXOKR05nb/oqynAvswozOjE6MTQ1MTIwMjIwMg==" -H 'Content-Type: application/json' -X POST --data '{"wifi": { \
    "ssid":"NETGEAR","passphrase":"cheerfuldaisychain" \
  } \
}' -k https://10.0.0.13/privet/v3/setup/start
{
   "wifi": {
      "status": "inProgress"
   }
}

NOTE: 这里一定要注意json的语法，换行与不换行完全是不一样的。由于对JSON语法不熟悉，走了好多弯路啊。

最后可以可过访问/privet/v3/setup/status或者/privet/info查看wifi的状态：

$ curl -H "Authorization: Privet ZA6Di/9nnIJKM5SxBjOrZo+RHXOKR05nb/oqynAvswozOjE6MTQ1MTIwMjIwMg==" -H 'Content-Type: application/json' -X POST -k https://10.0.0.13/privet/v3/setup/status
{
   "wifi": {
      "status": "inProgress"
   }
}

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