63 lines
2.4 KiB
Bash
Executable file
63 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Change the following variable to your username and password for school network authorization.
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username=1970111222
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password=123123321
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# Get authorizing location from 302 response header.
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# Since sometimes the school network don't hijack DNS lookup query, and it may take such a long time
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# during DNS lookup. So we use an IP address to bypass the DNS lookup. Any fixed IP address providing
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# HTTP service can take place of the "119.29.29.29".
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echo 'sending a http request...'
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res_headers=$(curl --request GET --head --no-progress-meter http://119.29.29.29/)
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echo 'response received'
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# If authorizing is requested, school network will respond any HTTP (not HTTPS) request with an 302
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# response and its "Server" field is "DrcomServer"
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if ! grep "Server: DrcomServer" <<< $res_headers ; then
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echo "didn't receive a response from DrcomServer, you may already be online."
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exit 1
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fi
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auth_host=$(sed -n -E 's/Location: (.*)/\1/p' <<< $res_headers | tr -d '[:space:]')
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auth_host="${auth_host}/a70.htm"
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echo auth host: $auth_host
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# known auth host: 10.1.206.13
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# - 10.1.206.13
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# - 192.168.211.3
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# for wireless, which will be redirected to this location, a "@bistu" is required,
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if [ "$auth_host" == *"10.1.206.13"* ] ; then
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username="${username}@bistu"
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fi
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# Note that the encoding of response is gb2312, so we need to transcode
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# before comparing the title to judge whether we succeed to login.
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title=$(curl --no-progress-meter --include \
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--data-urlencode "DDDDD=$username" \
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--data-urlencode "upass=$password" \
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--data-urlencode "R1=0" \
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--data-urlencode "R2=" \
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--data-urlencode "R3=0" \
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--data-urlencode "R6=0" \
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--data-urlencode "para=00" \
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--data-urlencode "0MKKey=123456" \
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--data-urlencode "buttonClicked=" \
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--data-urlencode "redirect_url=" \
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--data-urlencode "err_flag=" \
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--data-urlencode "username=" \
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--data-urlencode "password=" \
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--data-urlencode "user=" \
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--data-urlencode "cmd=" \
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--data-urlencode "Login=" \
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$auth_host | iconv --from-code=gb2312 --to-code=utf-8 | sed -n -E 's#<title>(.*)</title>#\1#p')
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echo auth result page title: $title
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if [ "$title" == "认证成功页" ] ; then
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echo "auth result: success"
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else
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echo "auth result: failed"
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fi
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