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authorUlrich Drepper <drepper@redhat.com>1998-01-30 13:22:30 +0000
committerUlrich Drepper <drepper@redhat.com>1998-01-30 13:22:30 +0000
commit9931ba241298969e46854d23491da21dfcbf1e23 (patch)
treee0d6102001e35e7c38c8226c03be979936d2415a /nis
parent4775243aa82ab568abe247e24ca56143683d64c2 (diff)
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Update.
1998-01-30 22:12 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/Makefile [$(subdir)==nis]: Define CFLAGS-ypclnt.c to -DUSE_BINDINGDIR=1. 1998-01-30 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/ypclnt.c: Try at first to use the binding file from ypbind before using RPC.
Diffstat (limited to 'nis')
-rw-r--r--nis/ypclnt.c52
1 files changed, 48 insertions, 4 deletions
diff --git a/nis/ypclnt.c b/nis/ypclnt.c
index c661ee3..a20d492 100644
--- a/nis/ypclnt.c
+++ b/nis/ypclnt.c
@@ -25,8 +25,14 @@
#include <rpcsvc/yp.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/ypupd.h>
+#include <sys/uio.h>
#include <bits/libc-lock.h>
+/* This should only be defined on systems with a BSD compatible ypbind */
+#ifndef BINDINGDIR
+# define BINDINGDIR "/var/yp/binding"
+#endif
+
struct dom_binding
{
struct dom_binding *dom_pnext;
@@ -91,6 +97,44 @@ __yp_bind (const char *domain, dom_binding **ypdb)
return YPERR_YPBIND;
}
+#if USE_BINDINGDIR
+ if (ysd->dom_vers < 1)
+ {
+ char path[sizeof (BINDINGDIR) - 1 + strlen (domain) + 10];
+ struct iovec vec[2];
+ u_short port;
+ int fd;
+
+ sprintf (path, "%s/%s.%ld", BINDINGDIR, domain, YPBINDVERS);
+ fd = open (path, O_RDONLY);
+ if (fd >= 0)
+ {
+ /* We have a binding file and could save a RPC call */
+ vec[0].iov_base = &port;
+ vec[0].iov_len = sizeof (port);
+ vec[1].iov_base = &ypbr;
+ vec[1].iov_len = sizeof (ypbr);
+
+ if (readv (fd, vec, 2) == vec[0].iov_len + vec[1].iov_len)
+ {
+ memset (&ysd->dom_server_addr, '\0',
+ sizeof ysd->dom_server_addr);
+ ysd->dom_server_addr.sin_family = AF_INET;
+ memcpy (&ysd->dom_server_addr.sin_port,
+ ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port,
+ sizeof (ysd->dom_server_addr.sin_port));
+ memcpy (&ysd->dom_server_addr.sin_addr.s_addr,
+ ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr,
+ sizeof (ysd->dom_server_addr.sin_addr.s_addr));
+ ysd->dom_vers = YPVERS;
+ strncpy (ysd->dom_domain, domain, YPMAXDOMAIN);
+ ysd->dom_domain[YPMAXDOMAIN] = '\0';
+ }
+ close (fd);
+ }
+ }
+#endif /* USE_BINDINGDIR */
+
if (ysd->dom_vers == -1)
{
if(ysd->dom_client)
@@ -116,12 +160,12 @@ __yp_bind (const char *domain, dom_binding **ypdb)
** If not, it's possible someone has registered a bogus
** ypbind with the portmapper and is trying to trick us.
*/
- if (ntohs(clnt_saddr.sin_port) >= IPPORT_RESERVED)
+ if (ntohs (clnt_saddr.sin_port) >= IPPORT_RESERVED)
{
- clnt_destroy(client);
+ clnt_destroy (client);
if (is_new)
- free(ysd);
- return(YPERR_YPBIND);
+ free (ysd);
+ return YPERR_YPBIND;
}
if (clnt_call (client, YPBINDPROC_DOMAIN,