[50 character or so descriptive subject here (for reference)]

[Ulrich Drepper]

leitner@convergence.de writes:

> >Description:
> 	lukemftp does not work because it calls socket with 0 as second
> 	parameter and gets EINVAL from the kernel.  I looked in the
> 	source code of lukemftp and found that it uses res->ai_socktype
> 	from the res that it got from getaddrinfo.

I'll certainly not install BSD software but you could give the
appended patch a try.  It hopefully fixes a few ai_socktype related
bugs, among them probably the one you are experiencing.

-- 
---------------.                          ,-.   1325 Chesapeake Terrace
Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
Red Hat          `--' drepper at redhat.com   `------------------------

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Index: getaddrinfo.c
===================================================================
RCS file: /cvs/glibc/libc/sysdeps/posix/getaddrinfo.c,v
retrieving revision 1.31
diff -u -d -u -p -r1.31 getaddrinfo.c
--- getaddrinfo.c	2000/09/29 02:54:52	1.31
+++ getaddrinfo.c	2000/09/29 05:25:12
@@ -356,6 +356,10 @@ gaih_inet (const char *name, const struc
 		  if ((tp->protoflag & GAI_PROTO_NOSERVICE) != 0)
 		    continue;
 
+		  if (req->ai_socktype != 0
+		      && req->ai_socktype != tp->socktype)
+		    continue;
+
 		  newp = (struct gaih_servtuple *)
 		    __alloca (sizeof (struct gaih_servtuple));
 
@@ -380,6 +384,33 @@ gaih_inet (const char *name, const struc
 	  st->socktype = tp->socktype;
 	  st->protocol = tp->protocol;
 	  st->port = htons (service->num);
+	}
+    }
+  else if (req->ai_socktype || req->ai_protocol)
+    {
+      st = __alloca (sizeof (struct gaih_servtuple));
+      st->next = NULL;
+      st->socktype = req->ai_socktype;
+      st->protocol = req->ai_protocol;
+      st->port = 0;
+    }
+  else
+    {
+      /* Neither socket type nor protocol is set.  Return all socket types
+	 we know about.  */
+      struct gaih_servtuple **lastp = &st;
+      for (++tp; tp->name != NULL; ++tp)
+	{
+	  struct gaih_servtuple *newp;
+
+	  newp = __alloca (sizeof (struct gaih_servtuple));
+	  newp->next = NULL;
+	  newp->socktype = tp->socktype;
+	  newp->protocol = tp->protocol;
+	  newp->port = 0;
+
+	  *lastp = newp;
+	  lastp = &newp->next;
 	}
     }