Added a whole bunch of stuff:

-n switch to eliminate age and gender information from query results
"special" requests to query things like version, statistics, logon.lst, auto.msg, etc.
More detailed user information in response, improved formatting.

exec/fingerservice.js

@@ -6,12 +6,27 @@
 
 // Finger		79	0-unlimited	0		fingerservice.js
 
+// Add -n to the configuration line to eliminate user age and gender
+// information from the query results.
+
+// !WARNING!
+// Finger is an open protocol utilizing no forms of authorization
+// or authentication. FINGER IS A KNOWN AND ACCEPTED SECURITY RISK. 
+// Detailed information about your system and its users is made 
+// available to ANYONE using this service. If there is anything in
+// this script that you do not want to be made available to anyone
+// and everyone, please comment-out (using /* and */) that portion
+// of the script.
+
+const VERSION="Synchronet Finger Service Version 1.00a";
+
+var include_age_gender=true;
+
 load("nodedefs.js");
 
-// This is just an example of how you access command-line args
 for(i=0;i<argc;i++)
-	log(format("argv[%d]=%s",i,argv[i]));
-// End of example :-)
+	if(argv[i].toLowerCase()=="-n")
+		include_age_gender = false;
 
 // Write a string to the client socket
 function write(str)
@@ -19,8 +34,36 @@ function write(str)
 	client.socket.send(str);
 }
 
-// Get Finger Request
-request = client.socket.recvline(128 /*maxlen*/, 3 /*timeout*/);
+// Write a crlf terminated string to the client socket
+function writeln(str)
+{
+	write(str + "\r\n");
+}
+
+// Send the contents of a text file to the client socket
+function send_file(fname)
+{
+	f = new File(fname);
+	if(!f.open("r")) 
+		return;
+	txt = f.readAll();
+	f.close();
+	for(l in txt)
+		writeln(txt[l]);
+}
+
+// Returns true if a connection on the local 'port' was succesful
+function test_port(port)
+{
+	sock = new Socket();
+	success = sock.connect("localhost",port);
+	sock.close();
+
+	return(success);
+}
+
+// Get Finger Request (the main entry point) 
+request = client.socket.recvline(128 /*maxlen*/, 10 /*timeout*/);
 
 if(request==null) {
 	log("!TIMEOUT waiting for request");
@@ -30,18 +73,21 @@ if(request==null) {
 log(format("client request: '%s'",request));
 
 if(request.substr(0,2).toUpperCase()=="/W")	// "higher level of verbosity"
-	request=request.slice(2);
+	request=request.slice(2);				// ignored...
 
 while(request.charAt(0)==' ')	// skip prepended spaces
 	request=request.slice(1);
 
-if(request=="") {	/* no specific user requested, give list of active users */
+if(request=="") {	// no specific user requested, give list of active users
 	log("client requested active user list");
-	write(format("%-25.25s %-40.40s Age Sex Node\r\n"
-		,"User","Action"));
+	write(format("%-25.25s %-40.40s %7s Node\r\n"
+		,"User","Action",include_age_gender ? "Age Sex":""));
 	var dashes="----------------------------------------";
-	write(format("%-25.25s %-40.40s %.3s %.3s %.4s\r\n"
-		,dashes,dashes,dashes,dashes,dashes));
+	write(format("%-25.25s %-40.40s %3.3s %3.3s %4.4s\r\n"
+		,dashes,dashes
+		,include_age_gender ? dashes : ""
+		,include_age_gender ? dashes : ""
+		,dashes));
 	var user = new User(1);
 	for(n=0;n<system.node_list.length;n++) {
 		if(system.node_list[n].status!=NODE_INUSE)
@@ -49,17 +95,89 @@ if(request=="") {	/* no specific user requested, give list of active users */
 		user.number=system.node_list[n].useron;
 		var action=format(NodeAction[system.node_list[n].action]
 			,system.node_list[n].aux);
-		write(format("%-25.25s %-40.40s %3d %3s %4d\r\n"
+		write(format("%-25.25s %-40.40s %3s %3s %4d\r\n"
 			,user.alias
 			,action
-			,user.age
-			,user.gender
+			,include_age_gender ? user.age.toString() : ""
+			,include_age_gender ? user.gender : ""
 			,n+1
 			));
 	}
 	exit();
 }
 
+if(request.charAt(0)=='?') {	// Handle "special" requests
+	request=request.slice(1);
+	switch(request.toLowerCase()) {
+
+		case "ver":
+			writeln(VERSION);
+			writeln(system.version_notice + system.revision);
+			writeln("Compiled " + system.compiled_when + " with " + system.compiled_with);
+			writeln(system.js_version);
+			writeln(system.os_version);
+			break;
+
+		case "time":
+			writeln(system.timestr() + " " + system.zonestr());
+			break;
+
+		case "logon.lst":
+			send_file(system.data_dir + "logon.lst");
+			break;
+
+		case "auto.msg":
+			send_file(system.data_dir + "msgs/auto.msg");
+			break;
+
+		case "stats":	/* Statistics */
+			for(i in system.stats)
+				writeln(i + " = " + system.stats[i]);
+			break;
+
+		case "nodelist":
+			var user = new User(1);
+			for(n=0;n<system.node_list.length;n++) {
+				write(format("Node %2d ",n+1));
+				if(system.node_list[n].status==NODE_INUSE) {
+					user.number=system.node_list[n].useron;
+					write(format("%s (%u %s) ", user.alias, user.age, user.gender));
+					write(format(NodeAction[system.node_list[n].action],system.node_list[n].aux));
+				} else
+					write(format(NodeStatus[system.node_list[n].status],system.node_list[n].aux));
+
+				write("\r\n");
+			}			
+			break;
+
+		case "caps":	/* Capabilities */
+			if(test_port(23))
+				writeln("Telnet");
+			if(test_port(513))
+				writeln("RLogin");
+			if(test_port(21))
+				writeln("FTP");
+			if(test_port(25))
+				writeln("SMTP");
+			if(test_port(110))
+				writeln("POP3");
+			if(test_port(119))
+				writeln("NNTP");
+			if(test_port(80))
+				writeln("HTTP");
+			if(test_port(6667))
+				writeln("IRC");
+			break;
+
+		default:
+			log(format("!UNSUPPORTED SPECIAL REQUEST: '%s'",request));
+			break;
+	}
+	exit();
+}
+
+// User info is handled here
+
 var usernum=Number(request);
 if(!usernum) {
 	var at = request.indexOf('@');
@@ -82,9 +200,18 @@ write(format("Site: %s\r\n"
 	  ,system.inetaddr));
 write(format("Login name: %-30s In real life: %s\r\n"
 	  ,user.alias,user.name));
-write(format("Shell: %s\r\n",user.command_shell));
-write(format("Last login %s via %s from %s [%s]\r\n"
+write(format("From: %s\r\n",user.location));
+if(include_age_gender) {
+	birth=format("Birth: %s (Age: %u years)"
+		  ,user.birthdate,user.age);
+	write(format("%-42s Gender: %s\r\n"
+		  ,birth,user.gender));
+}
+write(format("Shell: %-34s  Editor: %s\r\n"
+	  ,user.command_shell,user.editor));
+write(format("Last login %s %s\r\nvia %s from %s [%s]\r\n"
 	  ,system.timestr(user.stats.laston_date)
+	  ,system.zonestr()
 	  ,user.connection
 	  ,user.host_name
 	  ,user.ip_address));