Don't do a gethostbyname() on "localhost" since we need it to

be unmolested when we test whether or not to use a local shell
instead of rsh.

1 files changed, 8 insertions, 6 deletions

diff --git a/src/lib/libc/net/rcmdsh.c b/src/lib/libc/net/rcmdsh.c
index 39338c2c74..b2130fd233 100644
--- a/src/lib/libc/net/rcmdsh.c
+++ b/src/lib/libc/net/rcmdsh.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: rcmdsh.c,v 1.3 1996/09/15 09:31:17 tholo Exp $        */ 
+/*      $OpenBSD: rcmdsh.c,v 1.4 1997/07/23 16:59:37 millert Exp $      */ 
 
 /*
  * This is an rcmd() replacement originally by 
@@ -6,7 +6,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: rcmdsh.c,v 1.3 1996/09/15 09:31:17 tholo Exp $";
+static char *rcsid = "$OpenBSD: rcmdsh.c,v 1.4 1997/07/23 16:59:37 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include      <sys/types.h>
@@ -50,11 +50,13 @@ rcmdsh(ahost, rport, locuser, remuser, cmd, rshprog)
         }
 
         /* Validate remote hostname. */
-        if ((hp = gethostbyname(*ahost)) == NULL) {
-                herror(*ahost);
-                return(-1);
+        if (strcmp(*ahost, "localhost") != 0) {
+                if ((hp = gethostbyname(*ahost)) == NULL) {
+                        herror(*ahost);
+                        return(-1);
+                }
+                *ahost = hp->h_name;
         }
-        *ahost = hp->h_name;
 
         /* Get a socketpair we'll use for stdin and stdout. */
         if (socketpair(AF_UNIX, SOCK_STREAM, 0, sp) < 0) {