Implement a new telnet gateway (telgate) mode flag: TG_RLOGINSWAP

Using this flag swaps the alias and real-names as passed in the first 2
fields of the RLogin authentication/negotiation (client-user-name and
server-user-name).

src/sbbs3/sbbsdefs.h

@@ -800,6 +800,7 @@ enum {							/* readmail and delmailidx which types		*/
 #define TG_NOTERMTYPE	(1<<8)	/* Request client "DONT TERM_TYPE"			*/
 #define TG_SENDPASS		(1<<9)	/* Send password instead of real name (RLogin) - DEPRECATED	(it sent the password as the server user name) */
 #define TG_NOLF			(1<<10)	/* Do not send line-feeds (opposite of TG_CRLF) */
+#define TG_RLOGINSWAP	(1<<11)	/* Swap the RLogin alias/real-names			*/
 								
 enum {							/* Values for 'mode' in listfileinfo        */
 	 FI_INFO            		/* Just list file information               */

src/sbbs3/telgate.cpp

@@ -117,11 +117,15 @@ void sbbs_t::telnet_gate(char* destaddr, ulong mode, char* client_user_name, cha
 		console|=CON_RAW_IN;
 
 	if(mode&TG_RLOGIN) {
+		if (client_user_name == NULL)
+			client_user_name = (mode&TG_RLOGINSWAP) ? useron.name : useron.alias;
+		if (server_user_name == NULL)
+			server_user_name = (mode&TG_RLOGINSWAP) ? useron.alias : useron.name;
 		p=(char*)buf;
 		*(p++)=0;
-		p+=sprintf(p,"%s",client_user_name==NULL ? useron.alias : client_user_name);
+		p+=sprintf(p,"%s",client_user_name);
 		p++;	// Add NULL
-		p+=sprintf(p,"%s",server_user_name==NULL ? useron.name : server_user_name);
+		p+=sprintf(p,"%s",server_user_name);
 		p++;	// Add NULL
 		if(term_type!=NULL)
 			p+=sprintf(p,"%s",term_type);