server {
    listen 127.0.0.1:10101;

    location / {
        return 200 "uri: [$uri]\nrequest_uri: [$request_uri]\n";
    }
}


$ echo -e 'GET /a///b/../../c?x=42 HTTP/1.0\n\n' | nc -C localhost 10101
HTTP/1.1 200 OK
Server: nginx/1.13.3
Date: Thu, 17 Aug 2017 07:46:30 GMT
Content-Type: application/octet-stream
Content-Length: 45
Connection: close

uri: [/c]
request_uri: [/a///b/../../c?x=42]