gistfile1.txt

#user  nobody;
worker_processes  2;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;
error_log /dev/null;

pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;
    access_log  /dev/null;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  _;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

	more_clear_headers 'Server';
	add_header Server 'SuperWAF';

	modsecurity on;
        location /sync {
	    default_type 'text/plain';

	    modsecurity_rules '
		SecDefaultAction "phase:1,log,auditlog,deny,status:403"
		SecDefaultAction "phase:2,log,auditlog,deny,status:403"

		SecRule REQUEST_HEADERS:User-Agent "^(Mozilla|Opera)" "id:1,phase:2,t:trim,block"

		SecRuleEngine On
		SecRule ARGS "@rx [;\(\)\|\`\<\>\&\$\*]" "id:2,phase:2,t:trim,t:urlDecode,block"
		SecRule ARGS "@rx (user\.txt|root\.txt)" "id:3,phase:2,t:trim,t:urlDecode,block"
		SecRule ARGS "@rx (\/.+\s+.*\/)" "id:4,phase:2,t:trim,t:urlDecode,block"
		SecRule ARGS "@rx (\.\.)" "id:5,phase:2,t:trim,t:urlDecode,block"
		SecRule ARGS "@rx (\?s)" "id:6,phase:2,t:trim,t:urlDecode,block"

		SecRule ARGS:opt "@pmFromFile /usr/local/openresty/nginx/conf/unixcmd.txt" "id:99,phase:2,t:trim,t:urlDecode,block"
	    ';

	    content_by_lua_block {
		local opt = 'date'
		if ngx.var.arg_opt then
			opt = ngx.var.arg_opt
		end

		-- ngx.say("DEBUG: CMD='/home/themiddle/checksync "..opt.."'; bash -c $CMD 2>&1")

		local handle = io.popen("CMD='/home/themiddle/checksync "..opt.."'; bash -c ${CMD} 2>&1")
		local result = handle:read("*a")
		handle:close()
		ngx.say(result)
	    }

        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}n