ObIdent:
  I've finally got a patch to add RFC931 (or whatever) support to
News (or rather NNTP v1.5.11).  Again it's based on someone else's
work (Nick Sayer - nsayer@uop.edu) but I've extended it somewhat.
I'll append the patch.

Dave
-------------------------------------------------------------------------------
Dave Shield			      Janet: D.T.Shield@uk.ac.liverpool.compsci
Dept. of Computer Science,	      I'net: D.T.Shield@compsci.liverpool.ac.uk
Liverpool University,		"I _order_ you to help!
PO Box 147,			 You're a machine and you must do
Liverpool, L69 3BX		 what you're told."	T. Pratchett, _Diggers_ 




*** server/access.c.cln	Sat Feb  9 19:18:08 1991
--- server/access.c	Wed May 26 12:51:39 1993
***************
*** 46,51 ****
--- 46,58 ----
  extern	int Needauth;
  #endif AUTH
  
+ #ifdef RFC931
+ char username[32];
+ char *auth_tcpuser();
+ int auth_fd();
+ #endif
+ 
+ 
  host_access(canread, canpost, canxfer, gdlist)
  	int		*canread, *canpost, *canxfer;
  	char		*gdlist;
***************
*** 122,129 ****
--- 129,160 ----
  		if (isupper(*cp))
  			*cp = tolower(*cp);
  
+ #ifdef RFC931
+ {
+   unsigned long in;
+   unsigned short local;
+   unsigned short remote;
+   char *ruser;
+ 
+   ruser=NULL;
+ 
+   if (auth_fd(0,&in,&local,&remote) != -1)
+     ruser = auth_tcpuser(in,local,remote);
+ 
+   if (ruser == NULL)
+     ruser = "[unauthenticated]";
+ 
+   strcpy(username,ruser);
+ 
+ }
+ 
  #ifdef LOG
+ 	syslog(LOG_INFO, "%s connect (%s)\n", host_name,username);
+ #endif
+ #else
+ #ifdef LOG
  	syslog(LOG_INFO, "%s connect\n", host_name);
+ #endif
  #endif
  	(void) strcpy(hostname, host_name);
  
*** server/common.h.cln	Sat Feb  2 21:55:37 1991
--- server/common.h	Wed May 26 12:46:06 1993
***************
*** 190,195 ****
--- 190,199 ----
  extern	char	hostname[];
  extern	int	debug;
  
+ #ifdef RFC931
+ extern        char    username[];
+ #endif
+ 
  #ifdef LOG
  extern	int	grps_acsd, arts_acsd;
  
*** server/post.c.cln	Sun Dec 23 17:50:02 1990
--- server/post.c	Wed May 26 13:07:25 1993
***************
*** 64,70 ****
--- 64,75 ----
  	(void) fflush(stdout);
  
  #ifdef LOG
+ #ifdef RFC931
+ 	syslog(LOG_INFO, "%s post %s (%s)", hostname,
+ 			retcode == 1 ? "succeeded" : "failed", username);
+ #else
  	syslog(LOG_INFO, "%s post %s", hostname,
  			retcode == 1 ? "succeeded" : "failed");
+ #endif
  #endif
  }
*** server/spawn.c.cln	Sat Feb  9 00:30:43 1991
--- server/spawn.c	Wed May 26 12:50:42 1993
***************
*** 92,97 ****
--- 92,105 ----
  	if (cont_code == CONT_POST)
  		fprintf(fp, "Nntp-Posting-Host: %s\n", hostname);
  #endif AUTH
+ #ifdef RFC931
+ 	/*
+ 	* If this is a posting, rather than an XFER, mention
+ 	* who it really came from.
+ 	*/
+ 	if (cont_code == CONT_POST)
+ 		fprintf(fp, "Nntp-Posting-User: %s\n", username);
+ #endif RFC931
  
  	printf("%d Ok\r\n", cont_code);
  	(void) fflush(stdout);
*** common/conf.h.dist	Sat Feb  9 00:31:07 1991
--- common/conf.h	Wed Jun  9 10:35:49 1993
***************
*** 201,207 ****
--- 201,216 ----
  /* Things that relate to authentication and access */
  /* Define AUTH to use the proposed NNTP Version 2 authentication protocol. */
  #define	AUTH	
+ 
  /*
+  * Will we do RFC931 authentication?
+  * If so, the makefiles for nntpd need to be fixed to add -lauthuser.
+  * Currently RFC931 data is just logged. After all, it really can't
+  * be trusted very far.
+  */
+ #define RFC931
+ 
+ /*
   * A file containing the name of the host which is running
   * the news server.  This will have to match what rrn thinks,
   * too.