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Path: utzoo!utgpu!water!watmath!orchid!gamiddleton
From: gamiddleton@orchid.UUCP
Newsgroups: comp.unix.wizards
Subject: aliases in .rhosts
Message-ID: <11488@orchid.waterloo.edu>
Date: Mon, 2-Nov-87 14:57:59 EST
Article-I.D.: orchid.11488
Posted: Mon Nov  2 14:57:59 1987
Date-Received: Tue, 3-Nov-87 03:08:13 EST
Distribution: comp
Organization: MFCF
Lines: 20

In 4.3bsd, in your .rhosts file, you have to list remote machines by their
real name (rather than any aliases).  Here is a change to rcmd.c in libc to
allow machine aliases.  Can anybody think of a reason not to do this?

*** /tmp/,RCSt1004886	Mon Nov  2 14:38:09 1987
--- rcmd.c	Tue Apr 28 20:00:08 1987
***************
*** 271,276 ****
--- 271,281 ----
  	static char ldomain[MAXHOSTNAMELEN + 1];
  	static char *domainp = NULL;
  	register char *cp;
+ 	register struct hostent *lhostname;
+ 
+ 	if ((lhostname = gethostbyname(lhost)) != (struct hostent *) NULL)
+ 		lhost = lhostname->h_name;	/* use real name, not an alias
+ 						*/
  
  	if (len == -1)
  		return(!strcmp(rhost, lhost));