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Upstream-Status: Backport
* Mon Feb 5 2001 Preston Brown <pbrown@redhat.com>
- fix gethostbyname to work better with dot "." notation (#16949)
--- tcp_wrappers_7.6/socket.c.fixgethostbyname Fri Mar 21 13:27:25 1997
+++ tcp_wrappers_7.6/socket.c Mon Feb 5 14:09:40 2001
@@ -52,7 +52,8 @@
char *name;
{
char dot_name[MAXHOSTNAMELEN + 1];
-
+ struct hostent *hp;
+
/*
* Don't append dots to unqualified names. Such names are likely to come
* from local hosts files or from NIS.
@@ -61,8 +62,12 @@
if (strchr(name, '.') == 0 || strlen(name) >= MAXHOSTNAMELEN - 1) {
return (gethostbyname(name));
} else {
- sprintf(dot_name, "%s.", name);
- return (gethostbyname(dot_name));
+ sprintf(dot_name, "%s.", name);
+ hp = gethostbyname(dot_name);
+ if (hp)
+ return hp;
+ else
+ return (gethostbyname(name));
}
}
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